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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 20-F

(Mark One)

For the transition period from                       to                        

Commission file number 001-37925

Securities registered or to be registered pursuant to Section 12(b) of the Act:

*       Not for trading, but only in connection with the registration of American Depositary Shares representing such Class A ordinary shares pursuant to the requirements of the Securities and Exchange Commission.

Securities registered or to be registered pursuant to Section 12(g) of the Act:

None

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Securities for which there is a reporting obligation pursuant to Section 15(d) of the Act:

None

Indicate the number of outstanding shares of each of the issuer’s classes of capital or common stock as of the close of the period covered by the annual report.

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act.

o Yes   x No

If this report is an annual or transition report, indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934.

o Yes   x No

Note — Checking the box above will not relieve any registrant required to file reports pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 from their obligations under those Sections.

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registration was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.

x Yes   o No

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).

x Yes   o No

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or an emerging growth company.  See the definitions of “large accelerated filer,” “accelerated filer,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

If an emerging growth company that prepares its financial statements in accordance with U.S. GAAP, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards† provided pursuant to Section 13(a) of the Exchange Act.                 o

† The term “new or revised financial accounting standard” refers to any update issued by the Financial Accounting Standards Board to its Accounting Standards Codification after April 5, 2012.

Indicate by check mark which basis of accounting the registrant has used to prepare the financial statements included in this filing:

If “Other” has been checked in response to the previous question, indicate by check mark which financial statement item the registrant has elected to follow.

o Item 17   o Item 18

If this is an annual report, indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).

o Yes   x No

(APPLICABLE ONLY TO ISSUERS INVOLVED IN BANKRUPTCY PROCEEDINGS DURING THE PAST FIVE YEARS)

Indicate by check mark whether the registrant has filed all documents and reports required to be filed by Section 12, 13 or 15(d) of the Securities Exchange Act of 1934 subsequent to the distribution of securities under a plan confirmed by a court.

o Yes   o No

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GDS HOLDINGS LIMITED

FORM 20-F ANNUAL REPORT

FISCAL YEAR ENDED DECEMBER 31, 2016

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Conventions That Apply to This Annual Report on Form 20-F

Unless we indicate otherwise, references in annual report on Form 20-F to:

·                                  “ADSs” are to our American depositary shares, each of which represents eight Class A ordinary shares, and “ADRs” are to the American depositary receipts that evidence our ADSs;

·                                  “area committed” are to the net floor area of data centers in service for which agreements from customers remain in effect;

·                                  “area held for future development” are to the estimated data center net floor area that we expect to be able to develop on land, at buildings and pursuant to development or lease agreements which we have secured, but which are not under construction;

·                                  “area in service” are to the net floor area of data centers in service for which one or more modules have been equipped and fitted out ready for utilization by customers;

·                                  “area pre-committed” are to the net floor area of data centers under construction for which agreements from customers remain in effect;

·                                  “area utilized” are to the net floor area of data centers in service that is also revenue generating pursuant to customer agreements in effect;

·                                  “area under construction” are to the net floor area of data centers which are under construction and are not yet ready for service;

·                                  “China” and the “PRC” are to the People’s Republic of China, excluding, for the purposes of this annual report on Form 20-F only, Taiwan, the Hong Kong Special Administrative Region and the Macao Special Administrative Region;

·                                  “commitment rate” are to the ratio of area committed to area in service;

·                                  “ordinary shares” refers to, collectively, our Class A ordinary shares and Class B ordinary shares, par value US$0.00005 per share;

·                                  “pre-commitment rate” are to the ratio of area pre-committed to area under construction;

·                                  “RMB” or “Renminbi” are to the legal currency of China;

·                                  “self-developed data centers” are to data centers that we have either purpose-built, acquired while under construction, or converted from existing buildings to fit our standards;

·                                  “sqm” are to square meters;

·                                  “third-party data centers” are to data center net floor area that we lease on a wholesale basis from other data center providers and use to provide data center services to our customers;

·                                  “total area committed” are to the sum of area committed and area pre-committed;

·                                  “US$,” “U.S. dollars,” or “dollars” are to the legal currency of the United States;

·                                  “utilization rate” are to the ratio of area utilized to area in service; and

·                                  “we,” “us,” “our company” and “our” are to GDS Holdings Limited and its subsidiaries and consolidated affiliated entities, as the context requires.

Unless specifically indicated otherwise or unless the context otherwise requires, all references to our ordinary shares exclude Class A ordinary shares issuable upon the exercise of outstanding options with respect to our ordinary shares under our share incentive plans.

This annual report contains statistical data that we obtained from various government and private publications, as well as a database issued by 451 Research, LLC, or 451 Research, an independent research firm. We have not independently verified the data in these reports and database. Statistical data in these publications also include projections based on a number of assumptions. If any one of the assumptions underlying the statistical data turns out to be incorrect, actual results may differ from the projections based on these assumptions.

This annual report on Form 20-F includes our audited consolidated financial statements for the years ended December 31, 2014, 2015 and 2016.

Our ADSs are listed on the NASDAQ Global Market under the ticker symbol “GDS.”

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PART I

ITEM 1.                                  IDENTITY OF DIRECTORS, SENIOR MANAGEMENT AND ADVISERS

Not required.

ITEM 2.                                  OFFER STATISTICS AND EXPECTED TIMETABLE

Not required.

ITEM 3.                                  KEY INFORMATION

A.                   Selected Financial Data

The selected consolidated financial data shown below should be read in conjunction with “Item 5. Operating and Financial review and Prospects,” and the financial statements and the notes to those statements included elsewhere in this annual report on Form 20-F. The selected consolidated statements of operations data for the years ended December 31, 2014, 2015 and 2016 and the selected consolidated balance sheet data as of December 31, 2015 and 2016 have been derived from our audited consolidated financial statements included elsewhere in this annual report on Form 20-F. We derived the consolidated balance sheet data as of December 31, 2014, as set forth below, from our audited consolidated financial statements that are not included in this Form 20-F. Our consolidated financial statements are prepared and presented in accordance with generally accepted accounting principles in the United States, or U.S. GAAP.

On June 30, 2014, we acquired EDC Holding Limited, or EDC Holding, an exempted company also incorporated in the Cayman Islands, from its shareholders whereby we issued shares to EDC Holding’s shareholders in exchange for their shares in EDC Holding. Pursuant to the terms of the agreement, we issued 199,163,164 shares in exchange for approximately 93% of the shares in EDC Holding which we did not already own. Since the date of the acquisition, EDC Holding has been our wholly-owned subsidiary and has been consolidated with our results of operations.

On May 19, 2016, we, through GDS Beijing, acquired all the equity interest in Guangzhou Weiteng Construction Co., Ltd., or Guangzhou Weiteng, from a third party for an aggregate purchase price of RMB129.5 million (US$18.7 million). Guangzhou Weiteng is a limited liability company organized and existing under the PRC law and operates a data center in Guangzhou. Since the date of the acquisition, Guangzhou Weiteng has been our consolidated variable interest entity and has been consolidated with our results of operations. See note 8 of our consolidated financial statements included elsewhere in this annual report on Form 20-F.

Our historical results are not necessarily indicative of results to be expected for any future period.

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Key Financial Metrics

We monitor the following key financial metrics to help us evaluate growth trends, establish budgets, measure the effectiveness of our business strategies and assess operational efficiencies:

(1)                      Gross profit as a percentage of net revenue.

(2)                      Income (loss) from operations as a percentage of net revenue.

(3)                      Net income (loss) as a percentage of net revenue.

Non-GAAP Measures

In evaluating our business, we consider and use the following non-GAAP measures as supplemental measures to review and assess our operating performance:

(1)                       Adjusted EBITDA is defined as net income or net loss excluding net interest expenses, incomes tax benefits, depreciation and amortization, accretion expenses for asset retirement costs, share-based compensation expenses, and gain on remeasurement of equity investment.

(2)                       Adjusted EBITDA margin is defined as adjusted EBITDA as a percentage of net revenue.

(3)                       Adjusted net operating income (Adjusted NOI) is defined as net revenue less cost of revenue excluding depreciation and amortization, accretion expenses for asset retirement costs and share-based compensation expenses, which are recorded as cost of revenue.

(4)                       Adjusted NOI margin is defined as adjusted NOI as a percentage of net revenue.

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Our management and board of directors use adjusted EBITDA, adjusted EBITDA margin, adjusted net operating income, or adjusted NOI, and adjusted NOI margin, which are non-GAAP financial measures, to evaluate our operating performance, establish budgets and develop operational goals for managing our business. In particular, we believe that the exclusion of the income and expenses eliminated in calculating adjusted EBITDA and adjusted NOI can provide a useful measure of our core operating performance.

We also present these non-GAAP measures because we believe these non-GAAP measures are frequently used by securities analysts, investors and other interested parties as measures of the financial performance of companies in our industry.

These non-GAAP financial measures are not defined under U.S. GAAP and are not presented in accordance with U.S. GAAP. These non-GAAP financial measures have limitations as analytical tools, and when assessing our operating performance, cash flows or our liquidity, investors should not consider them in isolation, or as a substitute for net income (loss), cash flows provided by operating activities or other consolidated statements of operations and cash flow data prepared in accordance with U.S. GAAP.

We mitigate these limitations by reconciling the non-GAAP financial measure to the most comparable U.S. GAAP performance measure, all of which should be considered when evaluating our performance.

The following table reconciles our adjusted EBITDA in the years presented to the most directly comparable financial measure calculated and presented in accordance with U.S. GAAP, which is net income or net loss:

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The following table reconciles our adjusted NOI in the years presented to the most directly comparable financial measure calculated and presented in accordance with U.S. GAAP, which is gross profit:

Currency Translation and Exchange Rates

This annual report on Form 20-F contains translations of Renminbi amounts into U.S. dollars at specific rates solely for the convenience of the reader. Unless otherwise noted, all translations from Renminbi to U.S. dollars and from U.S. dollars to Renminbi in this annual report on Form 20-F were made at a rate of RMB6.9430 to US$1.00, the exchange rate set forth in the H.10 statistical release of the Federal Reserve Board on December 30, 2016. We make no representation that the Renminbi or U.S. dollar amounts referred to in this annual report on Form 20-F could have been or could be converted into U.S. dollars or Renminbi, as the case may be, at any particular rate or at all. The following table shows the noon buying rate for RMB expressed in RMB per US$1.00.

Source: Federal Reserve Statistical Release

(1) Annual averages are calculated using the average of the rates on the last business day of each month during the relevant year. Monthly averages are calculated using the average of the daily rates during the relevant month.

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B.                   Capitalization and Indebtedness

Not required.

C.                     Reasons for the Offer and Use of Proceeds

Not required.

D.                     Risk Factors

Risk Factors Relating to Our Business and Industry

A slowdown in the demand for data center resources or managed services could have a material adverse effect on us.

Adverse developments in the data center market, in the industries in which our customers operate, or in demand for cloud computing could lead to a decrease in the demand for data center resources or managed services, which could have a material adverse effect on us. We face risks including:

·                                 a decline in the technology industry, such as a decrease in the use of mobile or web-based commerce, business layoffs or downsizing, relocation of businesses, increased costs of complying with existing or new government regulations and other factors;

·                                 a slowdown in the growth of the Internet generally as a medium for commerce and communication and the use of cloud-based platforms and services in particular;

·                                 a downturn in the market for data center space generally, which could be caused by an oversupply of or reduced demand for space, and a downturn in cloud-based data center demand in particular; and

·                                 the rapid development of new technologies or the adoption of new industry standards that render our or our customers’ current products and services obsolete or unmarketable and, in the case of our customers, that contribute to a downturn in their businesses, increasing the likelihood of a default under their service agreements or that they become insolvent.

To the extent that any of these or other adverse conditions occurs, they are likely to impact market demand and pricing for our services.

Any inability to manage the growth of our operations could disrupt our business and reduce our profitability.

We have experienced significant growth in recent years. Our net revenue grew from RMB468.3 million in 2014 to RMB703.6 million in 2015, and to RMB1,056.0 million (US$152.1 million) in 2016. We derive net revenue primarily from colocation services and, to a lesser extent, managed services. In addition, we also sell IT equipment either on a stand-alone basis or bundled in a managed service contract arrangement and provide consulting services. Our net revenues for colocation were RMB342.5 million, RMB500.9 million and RMB770.1 million (US$110.9 million) in 2014, 2015 and 2016, representing 73.1%, 71.2% and 72.9% of total net revenue over the same periods, respectively. Our net revenues for managed services and consulting services were RMB108.4 million, RMB152.7 million and RMB232.9 million (US$33.6 million) in 2014, 2015 and 2016, representing 23.2%, 21.7% and 22.1% of total net revenue over the same periods, respectively.

Our operations have also expanded in recent years through increases in the number and size of the data center facilities we operate, which we expect will continue to grow. Our rapid growth has placed, and will continue to place, significant demands on our management and our administrative, operational and financial systems. Continued expansion increases the challenges we face in:

·                                 obtaining suitable land to build new data centers;

·                                 establishing new operations at additional data centers and maintaining efficient use of the data center facilities we operate;

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·                                 managing a large and growing customer base with increasingly diverse requirements;

·                                 expanding our service portfolio to cover a wider range of services, including managed cloud services;

·                                 creating and capitalizing on economies of scale;

·                                 obtaining additional capital to meet our future capital needs;

·                                 recruiting, training and retaining a sufficient number of skilled technical, sales and management personnel;

·                                 maintaining effective oversight over personnel and multiple data center locations;

·                                 coordinating work among sites and project teams; and

·                                 developing and improving our internal systems, particularly for managing our continually expanding business operations.

If we fail to manage the growth of our operations effectively, our businesses and prospects may be materially and adversely affected.

If we are not successful in expanding our service offerings, we may not achieve our financial goals and our results of operations may be adversely affected.

We have been expanding, and plan to continue to expand, the nature and scope of our service offerings, particularly into the area of cloud infrastructure and managed cloud services. The success of our expanded service offerings depends, in part, upon demand for such services by new and existing customers and our ability to meet their demand in a cost-effective manner. We may face a number of challenges expanding our service offerings, including:

·                                 acquiring or developing the necessary expertise in IT;

·                                 maintaining high-quality control and process execution standards;

·                                 maintaining productivity levels and implementing necessary process improvements;

·                                 controlling costs; and

·                                 successfully attracting existing and new customers for new services we develop.

A failure by us to effectively manage the growth of our service portfolio could damage our reputation, cause us to lose business and adversely affect our results of operations. In addition, because managed cloud services may require significant upfront investment, we expect that continued expansion into these services will reduce our profit margins. In the event that we are unable to successfully grow our service portfolio, we could lose our competitive edge in providing our existing colocation and managed services, since significant time and resources that are devoted to such growth could have been utilized instead to improve and expand our existing colocation and managed services.

We face risks associated with having a long selling and implementation cycle for our services that requires us to make significant capital expenditures and resource commitments prior to recognizing revenue for those services.

We have a long selling cycle for our services, which typically requires significant investment of capital, human resources and time by both our customers and us. Constructing, developing and operating our data centers require significant capital expenditures. A customer’s decision to utilize our colocation services, our managed solutions or our other services typically involves time-consuming contract negotiations regarding the service level commitments and other terms, and substantial due diligence on the part of the customer regarding the adequacy of our infrastructure and attractiveness of our resources and services. Furthermore, we may expend significant time and resources in pursuing a particular sale or customer, and we do not recognize revenue for our services until such time as the services are provided under the terms of the applicable contract. Our efforts in pursuing a particular sale or customer may not be successful, and we may not always have sufficient capital on hand to satisfy our working capital needs between the date on which we sign an agreement with a new customer and when we first receive revenue for services delivered to the customer. If our efforts in pursuing sales and customers are unsuccessful, or our cash on hand is insufficient to cover our working capital needs over the course of our long selling cycle, our financial condition could be negatively affected.

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The data center business is capital-intensive, and our capacity to generate capital may be insufficient to meet our anticipated capital requirements.

The costs of constructing, developing and operating data centers are substantial. Further, we may encounter development delays, excess development costs, or delays in developing space for our customers to utilize. We also may not be able to identify suitable land or facilities for new data centers or at a cost on terms acceptable to us. We are required to fund the costs of constructing, developing and operating our data centers with cash retained from operations, as well as from financings from bank and other borrowings. Moreover, the costs of constructing, developing and operating data centers have increased in recent years, and may further increase in the future, which may make it more difficult for us to expand our business and to operate our data centers profitably. There can be no assurance that our future net revenue would be sufficient to offset increases in these costs, or that our business operations will generate capital sufficient to meet our anticipated capital requirements. If we cannot generate sufficient capital to meet our anticipated capital requirements, our financial condition, business expansion and future prospects could be materially and adversely affected.

Our substantial level of indebtedness could adversely affect our ability to raise additional capital to fund our operations, expose us to interest rate risk to the extent of our variable rate debt and prevent us from meeting our obligations under our indebtedness.

We have substantial indebtedness. As of December 31, 2016, we had total consolidated indebtedness of RMB4,290.3 million (US$617.9 million), including borrowings, capital lease and other financing obligations and convertible bonds. Our high level of indebtedness could, among other consequences:

·                                 make it more difficult for us to satisfy our obligations under our indebtedness, exposing us to the risk of default, which, in turn, would negatively affect our ability to operate as a going concern;

·                                 require us to dedicate a substantial portion of our cash flows from operations to interest and principal payments on our indebtedness, reducing the availability of our cash flows for other purposes, such as capital expenditures, acquisitions and working capital;

·                                 limit our flexibility in planning for, or reacting to, changes in our business and the industries in which we operate;

·                                 increase our vulnerability to general adverse economic and industry conditions;

·                                 place us at a disadvantage compared to our competitors that have less debt;

·                                 expose us to fluctuations in the interest rate environment because the interest rates on borrowings under our project financing agreements are variable;

·                                 increase our cost of borrowing;

·                                 limit our ability to borrow additional funds; and

·                                 require us to sell assets to raise funds, if needed, for working capital, capital expenditures, acquisitions or other purposes.

As a result of covenants and restrictions, we are limited in how we conduct our business, and we may be unable to raise additional debt or equity financing to compete effectively or to take advantage of new business opportunities. Our current or future borrowings could increase the level of financial risk to us and, to the extent that the interest rates are not fixed and rise, or that borrowings are refinanced at higher rates, our available cash flow and results of operations could be adversely affected.

We have financing arrangements in place with various lenders to support specific data center construction projects. Certain of these financing arrangements are secured by our accounts receivable, property and equipment and land use rights. The terms of these financing arrangements may impose covenants and obligations on the part of both the borrowing subsidiary of ours and us as guarantor. For example, some of these agreements contain requirements to maintain a specified minimum cash balance at all times or require that the borrower’s outstanding loans stay within a “borrowing range.” A subsidiary of ours in the past failed to meet the borrowing range requirement and although the subsidiary obtained a waiver letter from the creditor that waived the covenant violations, we cannot provide any assurances that we will always be able to meet any covenant tests under our financing arrangements.

The terms of any future indebtedness we may incur could include more restrictive covenants. A breach of any of these covenants could result in a default with respect to the related indebtedness. If a default occurs, the relevant lenders could elect to declare the indebtedness, together with accrued interest and other fees, to be due and payable immediately. This, in turn, could cause our other debt, to become due and payable as a result of cross-default or acceleration provisions contained in the agreements governing such other debt. In the event that some or all of our debt is accelerated and becomes immediately due and payable, we may not have the funds to repay, or the ability to refinance, such debt.

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We may require additional capital to meet our future capital needs, which may adversely affect our financial position and result in additional shareholder dilution.

To grow our operations, we will be required to commit a substantial amount of operating and financial resources. Our planned capital expenditures, together with our ongoing operating expenses, will cause substantial cash outflows. If we are not able to generate sufficient operating cash flows, our ability to fund our expansion plan may be limited. We may need to raise additional funds through equity or debt financings in the future in order to meet our operating and capital needs. Additional debt or equity financing may not be available when needed or, if available, may not be available on satisfactory terms. Our inability to obtain additional debt and/or equity financing or to generate sufficient cash from operations may require us to prioritize projects or curtail capital expenditures and could adversely affect our results of operations.

If we raise additional funds through further issuances of equity or equity-linked securities, our existing shareholders could suffer significant dilution in their percentage ownership of our company, and any new equity securities we issue could have rights, preferences and privileges senior to those of holders of our ordinary shares. In addition, any debt financing that we may obtain in the future could have restrictive covenants relating to our capital raising activities and other financial and operational matters, which may make it more difficult for us to obtain additional capital and to pursue business opportunities, including potential acquisitions.

Increased power costs and limited availability of power resources may adversely affect our results of operations.

We are a large consumer of power and costs of power account for a significant portion of our cost of revenue. We require power supply to provide many services we offer, such as powering and cooling our customers’ servers and network equipment and operating critical data center plant and equipment infrastructure. Since we rely on two centralized power utility suppliers, State Grid and Southern Grid, to provide our data centers with power, our data centers could have limited or inadequate access to power.

The amount of power required by our customers may increase as they adopt new technologies, for example, for virtualization of hardware resources. As a result, the average amount of power utilized per server is increasing, which in turn increases power consumption required to cool the data center facilities. Pursuant to our colocation service contracts, we provide our customers with a committed level of power supply availability. Although we aim to improve the energy efficiency of the data center facilities that we operate, there can be no assurance such data center facilities will be able to provide sufficient power to meet the growing needs of our customers. Our customers’ demand for power may exceed the power capacity in our older data centers, which may limit our ability to fully utilize the net floor area of these data centers. We may lose customers or our customers may reduce the services purchased from us due to increased power costs, and limited availability of power resources, or we may incur costs for data center space which we cannot utilize, which would reduce our net revenue and have a material and adverse effect on our cost of revenue and results of operations.

We attempt to manage our power resources and limit exposure to system downtime due to power outages from the electric grid by having redundant power feeds from the grid and by using backup generators and battery power. However, these protections may not limit our exposure to power shortages or outages entirely. Any system downtime resulting from insufficient power resources or power outages could damage our reputation and lead us to lose current and potential customers, which would harm our financial condition and results of operations.

We have a history of net losses and may continue to incur losses in the future.

We incurred net losses of RMB130.0 million, RMB98.6 million and RMB276.4 million (US$39.8 million) in 2014, 2015 and 2016, respectively, and we may incur losses in the future. We expect our costs and expenses to increase as we expand our operations, primarily including costs and expenses associated with owning and leasing data center space, increasing our headcount and utility expenses. Our ability to achieve and maintain profitability depends on the continued growth and maintenance of our customer base, our ability to control our costs and expenses, the expansion of our service offerings and our ability to provide our services at the level needed to satisfy the stringent demands of our customers. In addition, our ability to achieve profitability is affected by many factors which are beyond our control, such as the overall demand for data center services in China and general economic conditions. If we cannot efficiently manage the data center facilities we operate, our financial condition and results of operations could be materially and adversely affected. We may continue to incur losses in the future due to our continued investments in leasing data center space, increased headcount and increased utility expenses.

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Any significant or prolonged failure in the data center facilities we operate or services we provide would lead to significant costs and disruptions and would reduce our net revenue, harm our business reputation and have a material adverse effect on our results of operation.

The data center facilities we operate are subject to failure. Any significant or prolonged failure in any data center facility we operate or services that we provide, including a breakdown in critical plant, equipment or services, such as the cooling equipment, generators, backup batteries, routers, switches, or other equipment, power supplies, or network connectivity, whether or not within our control, could result in service interruptions and data losses for our customers as well as equipment damage, which could significantly disrupt the normal business operations of our customers and harm our reputation and reduce our net revenue. Any failure or downtime in one of the data center facilities that we operate could affect many of our customers. The total destruction or severe impairment of any of the data center facilities we operate could result in significant downtime of our services and catastrophic loss of customer data. Since our ability to attract and retain customers depends on our ability to provide highly reliable service, even minor interruptions in our service could harm our reputation and cause us to incur financial penalties. The services we provide are subject to failures resulting from numerous factors, including:

·                                 power loss;

·                                 equipment failure;

·                                 human error or accidents;

·                                 theft, sabotage and vandalism;

·                                 failure by us or our suppliers to provide adequate service or maintenance to our equipment;

·                                 network connectivity downtime and fiber cuts;

·                                 security breaches to our infrastructure;

·                                 improper building maintenance by us or the landlords of the buildings in which our leased facilities are located;

·                                 physical, electronic and cyber security breaches;

·                                 fire, earthquake, hurricane, tornado, flood and other natural disasters;

·                                 extreme temperatures;

·                                 water damage;

·                                 public health emergencies; and

·                                 terrorism.

We have in the past experienced, and may in the future experience, interruptions in service due to power outages or other technical failures or for reasons outside of our control, including a service interruption that caused system downtime to certain banking and financial institution customers and other customers. These interruptions in service, regardless of whether they result in breaches of the service level agreements we have with customers, may negatively affect our relationships with customers, including resulting in customers terminating their agreements with us or seeking damages from us or other compensatory actions. Interruptions in service may also have consequences for customers, such as banking and financial institutions, that are under the oversight of industry regulators, including the China Banking Regulatory Commission, or CBRC, and other PRC regulatory agencies. In response to such interruptions in service, industry regulators have taken, and may in the future take, various regulatory actions, including notifications or citations to our customers, over which they have oversight. Such regulatory actions with respect to our customers, including banking and financial institutions, could negatively impact our relationships with such customers, lead to audits of our services, inspections of our facilities, place restrictions or prohibitions upon the ability of such institutions to use our services, and thereby negatively affect our business operations and results of operations. We have taken and continue to take steps to improve our infrastructure to prevent service interruptions, including upgrading our electrical and mechanical infrastructure and sourcing, designing the best facilities possible and implementing rigorous operational procedures to maintenance programs to manage risk. However, we cannot assure you that such interruptions in service will not occur again in the future, or that such incidents will not result in the loss of customers and revenue, our paying compensation to customers, reputational damage to us, penalties or fines against us, and would not have a material and adverse effect on our business and results of operations. See “Item 4. Information on the Company—B. Business Overview—Regulatory Matters—Regulations Related to Information Technology Outsourcing Services Provided to Banking Financial Institutions.” Service interruptions continue to be a significant risk for us and could affect our reputation, damage our relationships with customers and materially and adversely affect our business.

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Delays in the construction of new data centers or the expansion of existing data centers could involve significant risks to our business.

In order to meet customer demand and the continued growth of our business, we need to expand existing data centers, lease new facilities or obtain suitable land to build new data centers. Expansion of existing data centers and/or construction of new data centers are currently underway, or being contemplated and such expansion and/or construction require us to carefully select and rely on the experience of one or more designers, general contractors, and subcontractors during the design and construction process. If a designer or contractor experiences financial or other problems during the design or construction process, we could experience significant delays and/or incur increased costs to complete the projects, resulting in negative impacts on our results of operations.

In addition, we need to work closely with the local power suppliers, and sometimes local governments, where our proposed data centers are located. Delays in actions that require the assistance of such third-parties, or delays in receiving required permits and approvals from such parties, may also affect the speed with which we complete data center projects or result in their not being completed at all. We have experienced such delays in receiving approvals and permits or in actions to be taken by third parties in the past and may experience them again in the future.

If we experience significant delays in the supply of power required to support the data center expansion or new construction, either during the design or construction phases, the progress of the data center expansion and/or construction could deviate from our original plans, which could cause material and negative effect to our revenue growth, profitability and results of operations.

The occurrence of a catastrophic event or a prolonged disruption may exceed our insurance coverage by significant amounts.

Our operations are subject to hazards and risks normally associated with the daily operations of our data center facilities. Currently, we maintain insurance policies in four categories: business interruption for lost profits, property and casualty, public liability, and commercial employee insurance. Our business interruption insurance for lost profits includes coverage for business interruptions, our property and casualty insurance includes coverage for equipment breakdowns and our commercial employee insurance includes employee group insurance and senior management medical insurance. We believe our insurance coverage adequately covers the risks of our daily business operations. However, our current insurance policies may be insufficient in the event of a prolonged or catastrophic event. The occurrence of any such event that is not entirely covered by our insurance policies may result in interruption of our operations and subject us to significant losses or liabilities and damage our reputation as a provider of business continuity services. In addition, any losses or liabilities that are not covered by our current insurance policies may have a material adverse effect on our business, financial condition and results of operations.

We may be vulnerable to security breaches which could disrupt our operations and have a material adverse effect on our financial condition and results of operations.

A party who is able to compromise the security measures protecting the data center facilities we operate or any of the data stored in such data center facilities could misappropriate our or our customers’ proprietary information or cause interruptions or malfunctions in our operations. As we provide assurances to our customers that we provide the highest level of security, such a compromise could be particularly harmful to our brand and reputation. We may be required to expend significant capital and resources to protect against such threats or to alleviate problems caused by breaches in security. In addition, as we continue expanding our service offerings in the cloud infrastructure and managed cloud services space, we will face greater risks from potential attacks because the provision of cloud-related services will increase the flow of Internet user data through the data center facilities we operate and create broader public access to our system. As techniques used to breach security change frequently and are often not recognized until launched against a target, we may not be able to implement new security measures in a timely manner or, if and when implemented, we may not be certain whether these measures could be circumvented. Any breaches that may occur could expose us to increased risk of lawsuits, regulatory penalties, loss of existing or potential customers, harm to our reputation and increases in our security costs, which could have a material adverse effect on our financial condition and results of operations.

Security risks and deficiencies may also be identified in the course of government inspections, which could subject us to fines and other sanctions. During construction of certain of our facilities, government inspectors have cited security risks at our construction sites and subjected us and our legal representative to fines for such risks. We cannot assure you that similar fines and sanctions will not occur in the future, or that such fines and sanctions will not result in damage to our business and reputation, which could have a material and adverse effect on our results of operations.

In addition, any assertions of alleged security breaches or systems failure made against us, whether true or not, could harm our reputation, cause us to incur substantial legal fees and have a material adverse effect on our business, reputation, financial condition and results of operations.

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Our ability to provide data center services depends on the major telecommunications carriers in China providing sufficient network services to our customers in the data center facilities that we operate on commercially acceptable terms.

Our ability to provide data center services depends on the major telecommunications carriers in China, namely China Telecom, China Unicom and China Mobile, providing sufficient network connectivity and capacity to enable our customers to transfer data to and from equipment that they locate in the data center facilities that we operate. Furthermore, given the limited competition among basic service providers in the telecommunications market in China, we depend on the dominant carrier in each location to provide such services to our customers on commercially acceptable terms. Although we believe we have maintained good relationships with China Telecom, China Unicom and China Mobile in the past, there can be no assurance that they will continue to provide the network services that our customers require on commercially acceptable terms at each of the data centers where we operate, if at all. In addition, if China Telecom, China Unicom or China Mobile increases the price of their network services, it would have a negative impact on the overall cost-effectiveness of data center services in China, which could cause our customers’ demand for our services to decline and would materially and adversely affect our business and results of operations.

Our leases for self-developed data centers or our agreements for third-party data centers could be terminated early and we may not be able to renew our existing leases and agreements on commercially acceptable terms or our rent or payment under the agreements could increase substantially in the future, which could materially and adversely affect our operations.

Most of our data center operations are located in properties that we have entered into long-term operating leases. Such leases generally have ten to twenty year terms. In some instances, we may negotiate an option to purchase the leased premises and facilities according to the terms and conditions under the relevant lease agreements. However, upon the expiration of such leases, we may not be able to renew these leases on commercially reasonable terms, if at all. Under certain lease agreements, the lessor may terminate the agreement by giving prior notice and paying default penalties to us. However, such default penalties may not be sufficient to cover our losses. Even though the lessors for most of our data centers generally do not have the right of unilateral early termination unless they provide the required notice, the lease may nonetheless be terminated early if we are in material breach of the lease agreements. We may assert claims for compensation against the landlords if they elect to terminate a lease agreement early and without due cause. If the leases for our data centers were terminated early prior to their expiration date, notwithstanding any compensation we may receive for early termination of such leases, or if we are not able to renew such leases, we may have to incur significant cost related to relocation. In addition, we have entered into two lease agreements with parties who have not produced evidence of proper legal title of the premises, and although we may seek damages from such parties, such leases may be void and we may be forced to relocate. Two of our data centers are located in properties that are already mortgaged to third parties before the commencement of the lease. If such third parties claim their rights on the mortgaged properties in case of default or breach under the principal debt by the lessors or other relevant parties, we may not be able to protect our leasehold interest and may be ordered to vacate the affected premises. Any relocation could also affect our ability to provide continuous uninterrupted services to our customers and harm our reputation. As a result, our business and results of operations could be materially and adversely affected.

Furthermore, certain portions of our data center operations are located in third-party data centers that we lease from wholesale data center providers. Our agreements with third parties are typically three years but may also be up to ten years. Under some of such agreements, we have the right of first refusal to renew the agreements subject to mutual agreement with the third parties. Some of such agreements allow the third parties to terminate the agreements early, subject to a notification period requirement and the payment of a pre-determined termination fee, which in some cases may not be sufficient to cover any direct and indirect losses we might incur as a result. Although historically we have successfully renewed all agreements we wanted to renew, and we do not believe that any of our agreements will be terminated early in the future, there can be no assurance that the counterparties will not terminate any of our agreements prior to its expiration date. We plan to renew our existing agreements with third parties upon expiration or migrate our operations to the data centers leased or owned by our company. However, we may not be able to renew these agreements on commercially acceptable terms, if at all, or the space in data centers that we lease or own may not be adequate for us to relocate such operations, and we may experience an increase in our payments under such agreements. Any adverse change to our ability to exert operational control over any of the data center facilities we operate could have a material adverse effect on our ability to operate these data center facilities at the standards required for us to meet our service level commitments to our customers.

We generate significant revenue from data centers located in only a few locations and a significant disruption to any location could materially and adversely affect our operations.

We generate significant revenue from data centers located in only a few locations and a significant disruption to any single location could materially and adversely affect our operations. As of the date of this annual report on Form 20-F, the majority of our self-built data centers were located in close proximity to the central business districts of Shanghai, Beijing, Shenzhen, Guangzhou and Chengdu. The occurrence of a catastrophic event, or a prolonged disruption in any of these regions, could materially and adversely affect our operations.

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Our net revenue is highly dependent on a limited number of customers, and the loss of, or any significant decrease in business from, any one or more of our major customers could adversely affect our financial condition and results of operations.

We consider our customer to be the end user of our data center services. We may enter into contracts directly with our end user customer or through an intermediate contracting party. See “Item 4. Information on the Company—B. Business Overview—Our Customers.” We have in the past derived, and believe that we will continue to derive, a significant portion of our net revenue from a limited number of customers. We had one end user customer that generated 26.8% of our total net revenue in 2014 and two end user customers that generated 20.1% and 10.3% of our total net revenue, respectively, in 2015, and 18.6% and 14.6% of our total net revenue in 2016, respectively. No other end user customer accounted for 10% or more of our total net revenue during those periods. We expect our net revenue will continue to be highly dependent on a limited number of end user customers who account for a large percentage of our total area committed. As of December 31, 2016, we had two end user customers who accounted for 24.5% and 20.1%, respectively, of our total area committed. No other end user customer accounted for 10% or more of total area committed. Moreover, for several of our data centers, a limited number of end user customers accounted for a substantial majority of area committed or area utilized. If there are delays in the move in, whereby the net floor area they are committed to are not utilized as expected, or there is contract termination in relation to these customers, then our net revenue and results of operations would be materially and adversely affected.

There are a number of factors that could cause us to lose major customers. Because many of our contracts involve services that are mission-critical to our customers, any failure by us to meet a customer’s expectations could result in cancellation or non-renewal of the contract. Our service agreements usually allow our customers to terminate their agreements with us before the end of the contract period under certain specified circumstances, including our failure to deliver services as required under such agreements, and in some cases without cause as long as sufficient notice is given. In addition, our customers may decide to reduce spending on our services due to a challenging economic environment or other factors, both internal and external, relating to their business such as corporate restructuring or changing their outsourcing strategy by moving more facilities in-house or outsourcing to other service providers. Furthermore, our customers, some of who have experienced rapid changes in their business, substantial price competition and pressures on their profitability, may demand price reductions or reduce the scope of services to be provided by us, any of which could reduce our profitability. In addition, our reliance on any individual customer for a significant portion of our net revenue may give that customer a degree of pricing leverage against us when negotiating contracts and terms of services with us.

The loss of any of our major customers, or a significant decrease in the extent of the services that they outsource to us or the price at which we sell our services to them, could materially and adversely affect our financial condition and results of operations.

If we are unable to meet our service level commitments, our reputation and results of operation could suffer.

Most of our customer contracts provide that we maintain certain service level commitments to our customers. If we fail to meet our service level commitments, we may be contractually obligated to pay the affected customer a financial penalty, which varies by contract, and the customer may in some cases be able to terminate its contract. Although we have not had to pay any material financial penalties for failing to meet our service level commitments in the past, there is no assurance that we will be able to meet all of our service level commitments in the future and that no material financial penalties may be imposed. In addition, if such a failure were to occur, there can be no assurance that our customers will not seek other legal remedies that may be available to them, including:

·                                 requiring us to provide free services;

·                                 seeking damages for losses incurred; and

·                                 cancelling or electing not to renew their contracts.

Any of these events could materially increase our expenses or reduce our net revenue, which would have a material adverse effect on our reputation and results of operations. Our failure to meet our commitments could also result in substantial customer dissatisfaction or loss. As a result of such customer loss and other potential liabilities, our net revenue and results of operations could be materially and adversely affected.

Our customer base may decline if our customers or potential customers develop their own data centers or expand their own existing data centers.

Some of our customers may develop their own data center facilities. Other customers with their own existing data centers may choose to expand their data center operations in the future. In the event that any of our key customers were to develop or expand their data centers, we may lose business or face pressure as to the pricing of our services. Although we believe that the trend is for companies in China to outsource their data center facilities and operations to colocation data center service providers, there can be no assurance that this trend will continue. In addition, if we fail to offer services that are cost-competitive and operationally advantageous as compared with services provided in-house by our customers, we may lose customers or fail to attract new customers. If we lose a customer, there is no assurance that we would be able to replace that customer at the same or a higher rate, or at all, and our business and results of operations would suffer.

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We may be unable to achieve high contract renewal rates.

We seek to renew customer contracts when those contracts are due for renewal. We endeavor to provide high levels of customer service, support, and satisfaction to maintain long-term customer relationships and to secure high rates of contract renewals for our services. Nevertheless, we cannot assure you that we will be able to renew service contracts with our existing customers or re-commit space relating to expired service contracts to new customers if our current customers do not renew their contracts. In the event of a customer’s termination or non-renewal of expired contracts, or a renewal of an expired contract for fewer services or less area than it had previously utilized, our ability to enter into services contracts so that new or other existing customers utilize the expired existing space in a timely manner will impact our results of operations. If such expired existing space is not utilized by new or other existing customers in a timely manner, our service revenue and results of operations may be negatively impacted. Our quarterly churn rate, which we define as the ratio of quarterly service revenue from contracts which terminated or expired without renewal during the quarter to the total quarterly service revenue for the preceding quarter, averaged 1.4%, 1.0% and 1.6% in 2014, 2015 and 2016, respectively. During 2017, data center service agreements with our customers with respect to 13.6% of our total area committed as of December 31, 2016 will become due for renewal.

If we do not succeed in attracting new customers for our services and/or growing revenue from existing customers, we may not achieve our revenue growth goals.

We have been expanding our customer base to cover a range of industry verticals, particularly cloud service providers. Our ability to attract new customers, as well as our ability to grow revenue from our existing customers, depends on a number of factors, including our ability to offer high-quality services at competitive prices, the strength of our competitors and the capabilities of our marketing and sales teams to attract new customers. If we fail to attract new customers, we may not be able to grow our net revenue as quickly as we anticipate or at all.

As our customer base grows and diversifies into other industries, we may be unable to provide customers with services that meet the specific demand of such customers or their industries, or with quality customer support, which could result in customer dissatisfaction, decreased overall demand for our services and loss of expected revenue. In addition, our inability to meet customer service expectations may damage our reputation and could consequently limit our ability to retain existing customers and attract new customers, which would adversely affect our ability to generate revenue and negatively impact our results of operations.

Customers who rely on us for the colocation of their servers, the infrastructure of their cloud systems, and management of their IT and cloud operations could potentially sue us for their lost profits or damages if there are disruptions in our services, which could impair our financial condition.

As our services are critical to many of our customers’ business operations, any significant disruption in our services could result in lost profits or other indirect or consequential damages to our customers. Although our customer contracts typically contain provisions attempting to limit our liability for breach of the agreement, including failing to meet our service level commitments, there can be no assurance that a court would enforce any contractual limitations on our liability in the event that one of our customers brings a lawsuit against us as the result of a service interruption that they may ascribe to us. The outcome of any such lawsuit would depend on the specific facts of the case and any legal and policy considerations that we may not be able to mitigate. In such cases, we could be liable for substantial damage awards. Since we do not carry liability insurance coverage, such damage awards could seriously impair our financial condition.

Our customers operate in a limited number of industries, particularly in the Internet and financial services industries. Factors that adversely affect these industries or information technology spending in these industries may adversely affect our business.

Our customers operate in a limited number of industries, particularly in the Internet and financial services industries. As of December 31, 2016, end user customers from the Internet and financial services industries accounted for 64.3% and 20.3% of our total area committed, respectively. Our business and growth depends on continued demand for our services from our current and potential customers in the Internet and financial services industries. Demand for our services, and technology services in general, in any particular industry could be affected by multiple factors outside of our control, including a decrease in growth or growth prospects of the industry, a slowdown or reversal of the trend to outsource information technology operations, or consolidation in the industry. In addition, serving a major customer within a particular industry may effectively preclude us from seeking or obtaining engagements with direct competitors of that customer if there is a perceived conflict of interest. Any significant decrease in demand for our services by customers in these industries, or other industries from which we derive significant net revenue in the future, may reduce the demand for our services.

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We enter into fixed-price contracts with many customers, and our failure to accurately estimate the resources and time required for the fulfillment of our obligations under these contracts could negatively affect our results of operations.

Our data center services are generally provided on a fixed-price basis that requires us to undertake significant projections and planning related to resource utilization and costs. Although our past project experience helps to reduce the risks associated with estimating, planning and performing fixed-price contracts, we bear the risk of failing to accurately estimate our projected costs, including power costs as we may not accurately predict our customer’s ultimate power usage once the contract is implemented, and failing to efficiently utilize our resources to deliver our services, and there can be no assurance that we will be able to reduce the risk of estimating, planning and performing our contracts. Any failure to accurately estimate the resources and time required for a project, or any other factors that may impact our costs, could adversely affect our profitability and results of operations.

Our customer contract commitments are subject to reduction and potential cancellation.

Many of our customer contracts allow for early termination, subject to payment of specified costs and penalties, which are usually less than the revenues we would expect to receive under such contracts. Our customer contract commitments could significantly decrease if any of the customer contracts is terminated either pursuant to, or in violation of, the terms of such contract. In addition, our customer contract commitments during a particular future period may be reduced for reasons outside of our customers’ control, such as general current economic conditions. If our customer contract commitments are significantly reduced, our results of operations and the price of our ADSs could be materially and adversely affected.

Even if our current and future customers have entered into a binding contract with us, they may choose to terminate such contract prior to the expiration of its terms. Any penalty for early termination may not adequately compensate us for the time and resources we have expended in connection with such contract, or at all, which could have a material adverse effect on our results of operations and cash flows.

We may not be able to compete effectively against our current and future competitors.

We offer a broad range of data center services and, as a result, we may compete with a wide range of data center service providers for some or all of the services we offer.

We face competition from the state-owned telecommunications carriers, namely China Telecom, China Unicom and China Mobile, as well as other domestic and international carrier-neutral data center service providers. Our current and future competitors may vary by size and service offerings and geographic presence. See “Item 4. Information on the Company—B. Business Overview—Competition.”

Competition is primarily centered on reputation and track record, quality and availability of data center space, quality of service, technical expertise, security, reliability, functionality, breadth and depth of services offered, geographic coverage, financial strength and price. Some of our current and future competitors may have greater brand recognition, marketing, technical and financial resources than we do. As a result, some of our competitors may be able to:

·                                 bundle colocation services with other services or equipment they provide at reduced prices;

·                                 develop superior products or services, gain greater market acceptance, and expand their service offerings more efficiently or rapidly;

·                                 adapt to new or emerging technologies and changes in customer requirements more quickly;

·                                 take advantage of acquisition and other opportunities more readily; and

·                                 adopt more aggressive pricing policies and devote greater resources to the promotion, marketing and sales of their services.

We operate in a competitive market, and we face pricing pressure for our services. Prices for our services are affected by a variety of factors, including supply and demand conditions and pricing pressures from our competitors. Although we offer a broad range of data center services, our competitors that specialize in only one of our services offerings may have competitive advantages in that offering. With respect to all of our colocation services, our competitors may offer such services at rates below current market rates or below the rates we currently charge our customers. With respect to both our colocation and managed services offerings, our competitors may offer services in a greater variety that are more sophisticated or that are more competitively priced than the services we offer. We may be required to lower our prices to remain competitive, which may decrease our margins and adversely affect our business prospects, financial condition and results of operations.

An oversupply of data center capacity could have a material adverse effect on us.

A buildup of new data centers or reduced demand for data center services could result in an oversupply of data center space in China’s large commercial centers. Excess data center capacity could lower the value of data center services and limit the number of economically attractive markets that are available to us for expansion, which could negatively impact our business and results of operations.

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Our failure to comply with regulations applicable to our leased data centers may materially and adversely affect our ability to use such data centers.

Among the data centers that we lease, including those under construction, a majority of the lease agreements have not been registered or filed with relevant authorities in accordance with the applicable PRC laws and regulations. The enforcement of this legal requirement varies depending on local practices. In case of failure to register or file a lease, the parties to the unregistered lease may be ordered to make rectifications (which would involve registering such leases with the relevant authority) before being subject to penalties. The penalty ranges from RMB1,000 to RMB10,000 for each unregistered lease, at the discretion of the relevant authority. The law is not clear as to which of the parties, the lessor or the lessee, is liable for the failure to register the lease, and the lease agreements of several of our data centers provide that the lessor is responsible for processing the registration and must compensate us for losses caused by any breach of the obligation. Although we have proactively requested that the applicable lessors complete or cooperate with us to complete the registration in a timely manner, we are unable to control whether and when such lessors will do so. In the event that a fine is imposed on both the lessor and lessee, and if we are unable to recover from the lessor any fine paid by us in accordance with the terms of the lease agreement, such fine will be borne by us. In respect to one data center in Beijing, a portion of the property has been constructed without obtaining the building ownership certificate, and the part of the lease in relation to such portion may be deemed invalid if the construction has not been duly approved by the government, in which event we would not be able to use that portion of property. In respect of some data centers, the usage of leased properties for data center purposes may be deemed to be inconsistent with the designated usage as stated under the building ownership certificates. If the owners fail to obtain the necessary consents and/or to comply with the applicable legal requirements for the change of usage of these premises, and the relevant authority or the court orders us to use the relevant leased properties for the designated usage only, we may not be able to continue to use these properties for data center purposes and we may need relocate our operation there to other suitable premises. We may also be subject to administrative penalties for lack of fire safety approvals for renovation of the leased premises, and we may be ordered to suspend operations at applicable premises if we fail to timely cure any such defect. Renovation of certain other of our data centers was carried out without obtaining construction related permits, and certain leased premises were put into use without fulfillment of construction inspection and acceptance procedures, which may cause administrative penalties to be incurred, and may cause the use of the leased premises to be deemed illegal, and we may be forced to suspend our operations as a result. See also “—Risks Related to Doing Business in the People’s Republic of China—Our business operations are extensively impacted by the policies and regulations of the PRC government. Any policy or regulatory change may cause us to incur significant compliance costs.”

We cannot assure you that we will be able to relocate such operations to suitable alternative premises, and any such relocation may result in disruption to our business operations and thereby result in loss of earnings. We may also need to incur additional costs for the relocation of our operation. There is also no assurance that we will be able to effectively mitigate the possible adverse effects that may be caused by such disruption, loss or costs. Any of such disruption, loss or costs could materially and adversely affect our financial condition and results of operations.

Our failure to maintain our relationships with various cloud service providers may adversely affect our cloud-related services, and as a result, our business, operating results and financial condition.

Our cloud managed services involve providing services to the customers of cloud service providers. If we do not maintain good relationships with cloud service providers, our business could be negatively affected. If these cloud service providers fail to perform as required under our agreements for any reason or suffer service level interruptions or other performance issues, or if our customers are less satisfied than expected with the services provided or results obtained, we may not realize the anticipated benefits of these relationships.

Since our agreements with key cloud service providers in China are non-exclusive, these companies may decide in the future to partner with more of our competitors or they may decide to terminate their agreements with us, any of which could adversely and materially affect our business expansion plan and expected growth.

Our data center infrastructure may become obsolete or unmarketable and we may not be able to upgrade our power, cooling, security or connectivity systems cost-effectively or at all.

The markets for the data centers we own and operate, as well as certain of the industries in which our customers operate, are characterized by rapidly changing technology, evolving industry standards, frequent new service introductions, shifting distribution channels and changing customer demands. As a result, the infrastructure at our data centers may become obsolete or unmarketable due to demand for new processes and/or technologies, including, without limitation: (i) new processes to deliver power to, or eliminate heat from, computer systems; (ii) customer demand for additional redundancy capacity; (iii) new technology that permits higher levels of critical load and heat removal than our data centers are currently designed to provide; and (iv) an inability of the power supply to support new, updated or upgraded technology. In addition, the systems that connect our self-developed data centers, and in particular, our third-party data centers, to the Internet and other external networks may become outdated, including with respect to latency, reliability and diversity of connectivity. When customers demand new processes or technologies, we may not be able to upgrade our data centers on a cost-effective basis, or at all, due to, among other things, increased expenses to us that cannot be passed on to customers or insufficient revenue to fund the necessary capital expenditures. The obsolescence of our power and cooling systems and/or our inability to upgrade our data centers, including associated connectivity, could reduce revenue at our data centers and could have a material adverse effect on us. Furthermore, potential future regulations that apply to industries we serve may require customers in those industries to seek specific requirements from their data centers that we are unable to provide. If such regulations were adopted, we could lose customers or be unable to attract new customers in certain industries, which could have a material adverse effect on us.

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If we are unable to adapt to evolving technologies and customer demands in a timely and cost-effective manner, our ability to sustain and grow our business may suffer.

To be successful, we must adapt to our rapidly changing market by continually improving the performance, features and reliability of our services and modifying our business strategies accordingly, which could cause us to incur substantial costs. We may not be able to adapt to changing technologies in a timely and cost-effective manner, if at all, which would adversely impact our ability to sustain and grow our business.

In addition, new technologies have the potential to replace or provide lower cost alternatives to our services. The adoption of such new technologies could render some or all of our services obsolete or unmarketable. We cannot guarantee that we will be able to identify the emergence of all of these new service alternatives successfully, modify our services accordingly, or develop and bring new services to market in a timely and cost-effective manner to address these changes. If and when we do identify the emergence of new service alternatives and introduce new services to market, those new services may need to be made available at lower profit margins than our then-current services. Failure to provide services to compete with new technologies or the obsolescence of our services could lead us to lose current and potential customers or could cause us to incur substantial costs, which would harm our operating results and financial condition. Our introduction of new alternative services that have lower price points than our current offerings may also result in our existing customers switching to the lower cost products, which could reduce our net revenue and have a material adverse effect on our results of operation.

We have limited ability to protect our intellectual property rights, and unauthorized parties may infringe upon or misappropriate our intellectual property.

Our success depends in part upon our proprietary intellectual property rights, including certain methodologies, practices, tools and technical expertise we utilize in designing, developing, implementing and maintaining applications and processes used in providing our services. We rely on a combination of copyright, trademark, trade secrets and other intellectual property laws, non-disclosure agreements with our employees, customers and other relevant persons and other measures to protect our intellectual property, including our brand identity. Nevertheless, it may be possible for third parties to obtain and use our intellectual property without authorization. The unauthorized use of intellectual property is common in China and enforcement of intellectual property rights by PRC regulatory agencies is inconsistent. As a result, litigation may be necessary to enforce our intellectual property rights. Litigation could result in substantial costs and diversion of our management’s attention and resources, and could disrupt our business, as well as have a material adverse effect on our financial condition and results of operations. Given the relative unpredictability of China’s legal system and potential difficulties in enforcing a court judgment in China, there is no guarantee that we would be able to halt any unauthorized use of our intellectual property in China through litigation.

We may be subject to third-party claims of intellectual property infringement.

We derive most our revenues in China and use , our figure trademark, in a majority of our services. We have registered or are in the process of registering the figure trademark in China in several categories that cover our services areas. A third party has also registered the pure text of “GDS” as a trademark in certain IT-related services. As the services for which the third party trademark is registered are also IT-related and could be construed as similar to ours in some respects, infringement claims may be asserted against us, and we cannot assure you that a government authority or a court will hold the view that such similarity will not cause confusion in the market. In this case, if we use the pure text of GDS (which we have not registered as a trademark with respect to all services we provide) as our trademark, we may be required to explore the possibility of acquiring this trademark, or entering into an exclusive licensing agreement with the third party, which will cause us to incur additional costs. In addition, we may be unaware of intellectual property registrations or applications that purport to relate to our services, which could give rise to potential infringement claims against us. Parties making infringement claims may be able to obtain an injunction to prevent us from delivering our services or using trademark or technology containing the allegedly intellectual property. If we become liable to third parties for infringing upon their intellectual property rights, we could be required to pay a substantial damage award. We may also be subject to injunctions that require us to alter our processes or methodologies so as not to infringe upon a third party’s intellectual property, which may not be technically or commercially feasible and may cause us to expend significant resources. Any claims or litigation in this area, whether we ultimately win or lose, could be time-consuming and costly, could cause the diversion of management’s attention and resources away from the operations of our business and could damage our reputation.

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If our customers’ proprietary intellectual property or confidential information is misappropriated or disclosed by us or our employees in violation of applicable laws and contractual agreements, we could be exposed to protracted and costly legal proceedings and lose clients.

We and our employees are in some cases provided with access to our customers’ proprietary intellectual property and confidential information, including technology, software products, business policies and plans, trade secrets and personal data. Many of our customer contracts require that we do not engage in the unauthorized use or disclosure of such intellectual property or information and that we will be required to indemnify our customers for any loss they may suffer as a result. We use security technologies and other methods to prevent employees from making unauthorized copies, or engaging in unauthorized use or unauthorized disclosure, of such intellectual property and confidential information. We also require our employees to enter into non-disclosure arrangements to limit access to and distribution of our customers’ intellectual property and other confidential information as well as our own. However, the steps taken by us in this regard may not be adequate to safeguard our customers’ intellectual property and confidential information. Moreover, most of our customer contracts do not include any limitation on our liability with respect to breaches of our obligation to keep the intellectual property or confidential information we receive from them confidential. In addition, we may not always be aware of intellectual property registrations or applications relating to source codes, software products or other intellectual property belonging to our customers. As a result, if our customers’ proprietary rights are misappropriated by us or our employees, our customers may consider us liable for such act and seek damages and compensation from us.

Assertions of infringement of intellectual property or misappropriation of confidential information against us, if successful, could have a material adverse effect on our business, financial condition and results of operations. Protracted litigation could also result in existing or potential customers deferring or limiting their purchase or use of our services until resolution of such litigation. Even if such assertions against us are unsuccessful, they may cause us to lose existing and future business and incur reputational harm and substantial legal fees.

We rely on third-party suppliers for key elements of our network infrastructure and software.

We contract with third parties for the supply of hardware, such as servers and other equipment, that we use in the provision of our services to our customers and that we sell to our customers in some cases. The loss of a significant supplier could delay expansion of the data center facilities that we operate, impact our ability to sell our services and hardware and increase our costs. If we are unable to purchase the hardware or obtain a license for the software that our services depend on, our business could be significantly and adversely affected. In addition, if our suppliers are unable to provide products that meet evolving industry standards or that are unable to effectively interoperate with other products or services that we use, then we may be unable to meet all or a portion of our customer service commitments, which could materially and adversely affect our results of operations.

We engage third-party contractors to carry out various services relating to our data center facilities, including security services.

We engage third-party contractors to carry out various services relating to our data center facilities, including security services. We endeavor to engage third-party companies with a strong reputation and proven track record, high-performance reliability and adequate financial resources. However, any such third-party contractor may still fail to provide satisfactory security services at the level of quality required by us, resulting in inappropriate access to our facilities.

Any difficulties in identifying and consummating future acquisitions may expose us to potential risks and have an adverse effect on our business, results of operations or financial condition.

We may seek to make strategic acquisitions and enter into alliances to further expand our business. If we are presented with appropriate opportunities, we may acquire additional businesses, services, resources, or assets, including data centers, that are complementary to our core business. Our integration of the acquired entities or assets into our business may not be successful and may not enable us to expand into new services, customer segments or operating locations as well as we expect. This would significantly affect the expected benefits of these acquisitions. Moreover, the integration of any acquired entities or assets into our operations could require significant attention from our management. The diversion of our management’s attention and any difficulties encountered in any integration process could have an adverse effect on our ability to manage our business. In addition, we may face challenges trying to integrate new operations, services and personnel with our existing operations. Our possible future acquisitions may also expose us to other potential risks, including risks associated with unforeseen or hidden liabilities, the diversion of resources from our existing businesses and technologies, our inability to generate sufficient revenue to offset the costs, expenses of acquisitions and potential loss of, or harm to, relationships with employees and customers as a result of our integration of new businesses. The occurrence of any of these events could have a material and adverse effect on our ability to manage our business, our financial condition and our results of operations.

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The uncertain economic environment may have an adverse impact on our business and financial condition.

The uncertain economic environment could have an adverse effect on our liquidity. While we believe we have a strong customer base, if the current market conditions were to worsen, some of our customers may have difficulty paying us and we may experience increased churn in our customer base and reductions in their commitments to us. We may also be required to make allowances for doubtful accounts and our results would be negatively impacted. Our sales cycle could also be lengthened if customers reduce spending on, or delay decision-making with respect to, our services, which could adversely affect our revenue growth and our ability to recognize net revenue. We could also experience pricing pressure as a result of economic conditions if our competitors lower prices and attempt to lure away our customers with lower cost solutions. Finally, our ability to access the capital markets may be severely restricted at a time when we would like, or need, to do so, which could have an impact on our flexibility to pursue additional expansion opportunities and maintain our desired level of revenue growth in the future.

Our success depends to a substantial degree upon our senior management, including Mr. William Wei Huang, and key personnel, and our business operations may be negatively affected if we fail to attract and retain highly competent senior management.

We depend to a significant degree on the continuous service of Mr. William Wei Huang, our founder, chairman and chief executive officer, and our experienced senior management team and other key personnel such as project managers and other middle management. If one or more members of our senior management team or key personnel resigns, it could disrupt our business operations and create uncertainty as we search for and integrate a replacement. If any member of our senior management leaves us to join a competitor or to form a competing company, any resulting loss of existing or potential clients to any such competitor could have a material adverse effect on our business, financial condition and results of operations. Additionally, there could be unauthorized disclosure or use of our technical knowledge, practices or procedures by such personnel. We have entered into employment agreements with our senior management and key personnel. We have also entered into confidentiality agreements with our personnel which contain nondisclosure covenants that survive indefinitely as to our trade secrets. Additionally, pursuant to these confidentiality agreements, any inventions and creations of our employees relating to the company’s business that are completed within twelve months after termination of employment shall be transferred to the company without payment of consideration, and the employees shall assist the company in applying for corresponding patents or other rights. However, these employment agreements do not ensure the continued service of these senior management and key personnel, and we may not be able to enforce the confidentiality agreements we have with our personnel. In addition, we do not maintain key man life insurance for any of the senior members of our management team or our key personnel.

Competition for employees is intense, and we may not be able to attract and retain the qualified and skilled employees needed to support our business.

We believe our success depends on the efforts and talent of our employees, including data center design, construction management, operations, engineering, IT, risk management, and sales and marketing personnel. Our future success depends on our continued ability to attract, develop, motivate and retain qualified and skilled employees. Competition for highly skilled personnel is extremely intense. We may not be able to hire and retain these personnel at compensation levels consistent with our existing compensation and salary structure. Some of the companies with which we compete for experienced employees have greater resources than we have and may be able to offer more attractive terms of employment.

In addition, we invest significant time and expenses in training our employees, which increases their value to competitors who may seek to recruit them. If we fail to retain our employees, we could incur significant expenses in hiring and training their replacements, and the quality of our services and our ability to serve our customers could diminish, resulting in a material adverse effect to our business.

Our operating results may fluctuate, which could make our future results difficult to predict, and may fall below investor or analyst expectations.

Our operating results may fluctuate due to a variety of factors, including many of the risks described in this section, which are outside of our control. You should not rely on our operating results for any prior periods as an indication of our future operating performance. Fluctuations in our net revenue can lead to even greater fluctuations in our operating results. Our budgeted expense levels depend in part on our expectations of long-term future net revenue. Given relatively large fixed cost of revenue for services, other than utility costs, any substantial adjustment to our costs to account for lower than expected levels of net revenue will be difficult. Consequently, if our net revenue does not meet projected levels, our operating performance will be negatively affected. If our net revenue or operating results do not meet or exceed the expectations of investors or securities analysts, the price of our ADSs may decline.

Declining fixed asset valuations could result in impairment charges, the determination of which involves a significant amount of judgment on our part. Any impairment charge could have a material adverse effect on us.

We review our fixed assets for impairment on an annual basis and whenever events or changes in circumstances indicate that the carrying amount may not be recoverable. Indicators of impairment include, but are not limited to, a sustained significant decrease in the market price of or the cash flows expected to be derived from a property. A significant amount of judgment is involved in determining the presence of an indicator of impairment. If the total of the expected undiscounted future cash flows is less than the carrying amount of a property on our balance sheet, a loss is recognized for the difference between the fair value and carrying value of the asset. The evaluation of anticipated cash flows requires a significant amount of judgment regarding assumptions that could differ materially from actual results in future periods, including assumptions regarding future occupancy, contract rates and estimated costs to service the contracts. Any impairment charge could have a material adverse effect on us.

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Failure to commence or resume development of land that we have been granted right to use within the required timeframe may subject us to default liabilities under land use right grant contracts and cause us to lose such land use rights.

We have two parcels of land, one in Chengdu and one in Kunshan, over which we have obtained land use rights, but which may be treated as “idle land” by the respective local government authorities. According to the relevant PRC regulations, the PRC government may impose an “idle land fee” equal to 20% of the land premium on land use if the relevant construction land has been identified as “idle land”. The construction land may be identified as “idle land” under any of the following circumstances: (i) where development of and construction on the land failed to commence for more than one year from the construction commencement date prescribed in the land grant contract; or (ii) the development and construction on the land have commenced but have been suspended when the area of the developed land is less than one-third of the total area to be developed or the invested amount is less than 25% of the total amount of investment, and the suspension of development attains for one year. Furthermore, the PRC government has the authority to confiscate any land without compensation if the construction does not commence within two years after the construction commencement date specified in the land grant contract, unless the delay is caused by force majeure, governmental action or preliminary work necessary for the commencement of construction.

As of the date of this annual report on Form 20-F, (i) we have not commenced development of one parcel of the land in Kunshan, which was to commence in December 2012; and (ii) we suspended the development of one parcel of the land in Chengdu after completion of the construction of the existing buildings thereon in November 2010, and upon such suspension, the area of the developed land was less than one-third of the total land area. We resumed development of the parcel of the land in Chengdu in early 2017. Therefore, the PRC government may treat such two parcels of land as idle land, in which case we may be required to pay idle land fees or penalties, change the planned use of the land, find another parcel of land, or even be required to forfeit the land to PRC government. We may further be subject to penalties for breach of relevant land use right grant contracts and be required to pay damages.

We have not been subject to any penalties or required to forfeit any land as a result of failing to commence or resume development pursuant to the relevant land grant contract. However, we cannot assure you that we will not be subject to penalties as a result of any failure to commence development in accordance with the relevant land grant contract. If this occurs, our financial condition and results of operations could be materially and adversely affected.

We may experience impairment of goodwill in connection with our acquisition of entities or other assets.

We are required to perform an annual goodwill impairment test. For example, in connection with acquiring EDC Holding in June 2014, we recorded a substantial amount of goodwill in our consolidated financial statements. As of December 31, 2016, we carried RMB1,341.1 million (US$193.2 million) of goodwill on our balance sheet. However, goodwill can become impaired. We test goodwill for impairment annually or more frequently if events or changes in circumstances indicate possible impairment, but the fair value estimates involved require a significant amount of difficult judgment and assumptions. Our actual results may differ materially from our projections, which may result in the need to recognize impairment of some or all of the goodwill we recorded.

We are subject to China’s anti-corruption laws and the U.S. Foreign Corrupt Practices Act. Our failure to comply with these laws could result in penalties, which could harm our reputation and have an adverse effect on our business, results of operations and financial condition.

We operate our business in China and are thus subject to PRC laws and regulations related to anti-corruption, which prohibit bribery to government agencies, state or government owned or controlled enterprises or entities, to government officials or officials that work for state or government owned enterprises or entities, as well as bribery to non-government entities or individuals. Since the completion of our initial public offering, we also have been subject to the U.S. Foreign Corrupt Practices Act, or the FCPA, which generally prohibits companies and any individuals or entities acting on their behalf from offering or making improper payments or providing benefits to foreign officials for the purpose of obtaining or keeping business, along with various other anti-corruption laws. Our existing policies prohibit any such conduct and we are in the process of implementing additional policies and procedures designed, and providing training, to ensure that we, our employees, business partners and other third parties comply with PRC anti-corruption laws and regulations, the FCPA and other anti-corruption laws to which we are subject. There is, however, no assurance that such policies or procedures will work effectively all the time or protect us against liability under the FCPA or other anti-corruption laws. There is no assurance that our employees, business partners and other third parties would always obey our policies and procedures. Further, there is discretion and interpretation in connection with the implementation of PRC anti-corruption laws. We could be held liable for actions taken by our employees, business partners and other third parties with respect to our business or any businesses that we may acquire. We operate in the data center services industry in China and generally purchase our colocation facilities and telecommunications resources from state or government-owned enterprises and sell our services domestically to customers that include state or government-owned enterprises or government ministries, departments and agencies. This puts us in frequent contact with persons who may be considered “foreign officials” under the FCPA, resulting in an elevated risk of potential FCPA violations. If we are found not to be in compliance with PRC anti-corruption laws, the FCPA and other applicable anti-corruption laws governing the conduct of business with government entities, officials or other business counterparties, we may be subject to criminal, administrative, and civil penalties and other remedial measures, which could have an adverse impact on our business, financial condition and results of operations. Any investigation of any potential violations of the FCPA or other anti-corruption laws by U.S. or foreign authorities, including Chinese authorities, could adversely impact our reputation, cause us to lose customer sales and access to colocation facilities and telecommunications resources, and lead to other adverse impacts on our business, financial condition and results of operations.

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We face risks related to natural disasters, health epidemics and other outbreaks, which could significantly disrupt our operations.

On May 12, 2008 and April 14, 2010, severe earthquakes hit part of Sichuan province in southeastern China and part of Qinghai province in western China, respectively, resulting in significant casualties and property damage. While we did not suffer any loss or experience any significant increase in cost resulting from these earthquakes, if a similar disaster were to occur in the future that affected Shanghai, Beijing, Shenzhen, Guangzhou, Chengdu or another city where we have data centers or are in the process of developing data centers, our operations could be materially and adversely affected due to loss of personnel and damages to property. In addition, a similar disaster affecting a larger, more developed area could also cause an increase in our costs resulting from the efforts to resurvey the affected area. Even if we are not directly affected, such a disaster could affect the operations or financial condition of our customers and suppliers, which could harm our results of operations.

In addition, our business could be materially and adversely affected by natural disasters or public health emergencies, such as the outbreak of avian influenza, severe acute respiratory syndrome, or SARS, Zika virus, Ebola virus, or another epidemic. If any of our employees is suspected of having contracted any contagious disease, we may under certain circumstances be required to quarantine such employees and the affected areas of our premises. Therefore, we may have to temporarily suspend part of or all of our operations. Furthermore, any future outbreak may restrict economic activities in affected regions, resulting in temporary closure of our offices or prevent us and our customers from traveling. Such closures could severely disrupt our business operations and adversely affect our results of operations.

If we fail to maintain proper and effective internal controls, our ability to produce accurate financial statements on a timely basis could be impaired.

We are subject to the reporting requirements of the U.S. Securities Exchange Act of 1934, as amended, or the Exchange Act, the Sarbanes-Oxley Act and the rules and regulations of the NASDAQ. The Sarbanes-Oxley Act requires, among other things, that we maintain effective disclosure controls and procedures and internal controls over financial reporting. Commencing with our fiscal year ending December 31, 2017, we must perform system and process evaluation and testing of our internal controls over financial reporting to allow management to report on the effectiveness of our internal controls over financial reporting in our Form 20-F filing for that year, as required by Section 404 of the Sarbanes-Oxley Act of 2002. In addition, once we cease to be an “emerging growth company” as the term is defined in the Jumpstart Our Business Startups Act of 2012, or the JOBS Act, our independent registered public accounting firm must attest to and report on the effectiveness of our internal control over financial reporting. Our management may conclude that our internal control over financial reporting is not effective. Moreover, even if our management concludes that our internal control over financial reporting is effective, our independent registered public accounting firm, after conducting its own independent testing, may issue a report that is qualified if it is not satisfied with our internal controls or the level at which our controls are documented, designed, operated or reviewed, or if it interprets the relevant requirements differently from us. This will require that we incur substantial additional professional fees and internal costs to expand our accounting and finance functions and that we expend significant management efforts. As a newly listed company, we were not required to test our internal controls within a specified period, and, as a result, we may experience difficulty in meeting these reporting requirements in a timely manner. Also, we are in the process of enhancing our accounting personnel and other resources to address our internal controls and procedures. Our management has not completed an assessment of the effectiveness of our internal control over financial reporting and our independent registered public accounting firm has not conducted an audit of our internal control over financial reporting.

In addition, our internal control over financial reporting will not prevent or detect all errors and all fraud. A control system, no matter how well designed and operated, can provide only reasonable, not absolute, assurance that the control system’s objectives will be met. Because of the inherent limitations in all control systems, no evaluation of controls can provide absolute assurance that misstatements due to error or fraud will not occur or that all control issues and instances of fraud will be detected.

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If we are not able to comply with the requirements of Section 404 of the Sarbanes-Oxley Act in a timely manner, or if we are unable to maintain proper and effective internal controls, we may not be able to produce timely and accurate financial statements. If that were to happen, the market price of our ADSs could decline and we could be subject to sanctions or investigations by the United States Securities and Exchange Commission, or SEC, the NASDAQ, or other regulatory authorities.

Compliance with rules and requirements applicable to public companies may cause us to incur increased costs, which may negatively affect our results of operations.

As a public company, we have started to incur significant legal, accounting and other expenses that we did not incur as a private company. In addition, the Sarbanes-Oxley Act, as well as rules subsequently implemented by the SEC and the NASDAQ, have required changes in corporate governance practices of public companies. We expect these rules and regulations to increase our legal, accounting and financial compliance costs and to make certain corporate activities more time-consuming and costly. Complying with these rules and requirements may be especially difficult and costly for us because we may have difficulty locating sufficient personnel in China with experience and expertise relating to U.S. GAAP and U.S. public company reporting requirements, and such personnel may command higher salaries relative to what similarly experienced personnel would command in the United States. If we cannot employ sufficient personnel to ensure compliance with these rules and regulations, we may need to rely more on outside legal, accounting and financial experts, which may be expensive. In addition, we will incur additional costs associated with our public company reporting requirements. We are evaluating and monitoring developments with respect to these new rules, and we cannot predict or estimate the amount of additional costs we may incur or the timing of such costs.

Risks Related to Our Corporate Structure

If the PRC government deems that the contractual arrangements in relation to our consolidated variable interest entities do not comply with PRC regulatory restrictions on foreign investment in the relevant industries, or if these regulations or the interpretation of existing regulations change in the future, we could be subject to severe penalties or be forced to relinquish our interests in those operations.

The PRC government regulates telecommunications-related businesses through strict business licensing requirements and other government regulations. These laws and regulations also include limitations on foreign ownership of PRC companies that engage in telecommunications-related businesses. Specifically, foreign investors are not allowed to own more than a 50% equity interest in any PRC company engaging in value-added telecommunications businesses, with certain exceptions relating to e-commerce which does not apply to us. Any such foreign investor must also have experience and a good track record in providing value-added telecommunications services overseas.

Because we are a Cayman Islands company, we are classified as a foreign enterprise under PRC laws and regulations, and our wholly owned PRC subsidiaries, Shanghai Free Trade Zone GDS Management Co., Ltd., or GDS Management Company, Shenzhen Yungang EDC Technology Co., Ltd., Beijing Wanguo Shu’an Science & Technology Development Co., Ltd., Beijing Hengpu’an Data Technology Development Co., Ltd., Guojin Technology (Kunshan) Co., Ltd., Shanghai Yungang EDC Technology Co., Ltd., Shenzhen Pingshan New Area Global Data Science & Technology Development Co., Ltd., EDC Technology (Suzhou) Co., Ltd., EDC (Chengdu) Industry Co., Ltd. and EDC Technology (Kunshan) Co., Ltd., are foreign-invested enterprises, or FIEs. To comply with PRC laws and regulations, we conduct our business in China through contractual arrangements with our consolidated variable interest entities, or VIEs, and their shareholders. These contractual arrangements provide us with effective control over our consolidated VIEs and enable us to receive substantially all of the economic benefits of our consolidated VIEs in consideration for the services provided by our wholly-owned PRC subsidiaries, and have an exclusive option to purchase all of the equity interest in our consolidated VIEs when permissible under PRC laws. For a description of these contractual arrangements, see “Item 4. Information on the Company—C. Organizational Structure—Contractual Arrangements with Our Affiliated Consolidated Entities.”

We believe that our corporate structure and contractual arrangements comply with the current applicable PRC laws and regulations. Our PRC legal counsel, based on its understanding of the relevant laws and regulations, is of the opinion that each of the contracts among our wholly-owned PRC subsidiaries, our consolidated VIEs and their shareholders is valid, binding and enforceable in accordance with its terms. However, as there are substantial uncertainties regarding the interpretation and application of PRC laws and regulations, including the Regulations on Mergers and Acquisitions of Domestic Enterprises by Foreign Investors, or the M&A Rules, the telecommunications circular described above and the Telecommunications Regulations and the relevant regulatory measures concerning the telecommunications industry, there can be no assurance that the PRC government, such as MOFCOM or MIIT or other authorities that regulates providers of data center service and other participants in the telecommunications industry would agree that our corporate structure or any of the above contractual arrangements comply with PRC licensing, registration or other regulatory requirements, with existing policies or with requirements or policies that may be adopted in the future. PRC laws and regulations governing the validity of these contractual arrangements are uncertain and the relevant government authorities have broad discretion in interpreting these laws and regulations.

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If our corporate and contractual structure is deemed by the Ministry of Industry and Information Technology, or the MIIT, or the Ministry of Commerce, or the MOFCOM, or other regulators having competent authority, to be illegal, either in whole or in part, we may lose control of our consolidated VIEs and have to modify such structure to comply with regulatory requirements. However, there can be no assurance that we can achieve this without material disruption to our business. Further, if our corporate and contractual structure is found to be in violation of any existing or future PRC laws or regulations, the relevant regulatory authorities would have broad discretion in dealing with such violations, including:

·                                 revoking our business and operating licenses;

·                                 levying fines on us;

·                                 confiscating any of our income that they deem to be obtained through illegal operations;

·                                 shutting down a portion or all of our networks and servers;

·                                 discontinuing or restricting our operations in China;

·                                 imposing conditions or requirements with which we may not be able to comply;

·                                 requiring us to restructure our corporate and contractual structure;

·                                 restricting or prohibiting our use of the proceeds from overseas offering to finance our PRC consolidated VIEs’ business and operations; and

·                                 taking other regulatory or enforcement actions that could be harmful to our business.

Furthermore, new PRC laws, rules and regulations may be introduced to impose additional requirements that may be applicable to our corporate structure and contractual arrangements. See “—Substantial uncertainties exist with respect to the enactment timetable, interpretation and implementation of the draft PRC Foreign Investment Law, and its enactment may materially and adversely affect our business and financial condition.” Occurrence of any of these events could materially and adversely affect our business, financial condition and results of operations. In addition, if the imposition of any of these penalties or requirement to restructure our corporate structure causes us to lose the rights to direct the activities of our consolidated VIEs or our right to receive their economic benefits, we would no longer be able to consolidate in our consolidated financial statements such VIEs. However, we do not believe that such actions would result in the liquidation or dissolution of our company, our wholly-owned subsidiaries in China or our consolidated VIEs or their subsidiaries. For the years ended December 31, 2014, 2015 and 2016, our consolidated VIEs contributed 2.0%, 4.3% and 80.1%, respectively, of our total net revenue. Following our restructuring, we expect that, going forward, substantially all of our net revenue will be generated from our consolidated VIEs as we shift the revenue-generating aspects of our business to our consolidated VIEs in connection with the restructuring described in this annual report on Form 20-F. See “Item 4. Information on the Company—A. History and Development of the Company.”

Our contractual arrangements with our consolidated VIEs may result in adverse tax consequences to us.

We could face material and adverse tax consequences if the PRC tax authorities determine that our contractual arrangements with our consolidated VIEs were not made on an arm’s length basis and adjust our income and expenses for PRC tax purposes by requiring a transfer pricing adjustment. A transfer pricing adjustment could adversely affect us by (i) increasing the tax liabilities of our consolidated VIEs without reducing the tax liability of our subsidiaries, which could further result in late payment fees and other penalties to our consolidated VIEs for underpaid taxes; or (ii) limiting the ability of our consolidated VIEs to obtain or maintain preferential tax treatments and other financial incentives.

We rely on contractual arrangements with our consolidated VIEs and their shareholders for our China operations, which may not be as effective as direct ownership in providing operational control and otherwise have a material adverse effect as to our business.

We rely on contractual arrangements with our consolidated VIEs and their shareholders to operate our business in China. For a description of these contractual arrangements, see “Item 4. Information on the Company—C. Organizational Structure—Contractual Arrangements with Our Affiliated Consolidated Entities.” In 2014, 2015 and 2016, 2.0%, 4.3% and 80.1%, of our total net revenue, respectively, were attributed to our consolidated VIEs. We expect this proportion to increase going forward as we shift the revenue-generating aspects of our business to our consolidated VIEs in connection with the restructuring described in this annual report on Form 20-F. See “Item 4. Information on the Company—A. History and Development of the Company.” These contractual arrangements may not be as effective as direct ownership in providing us with control over our consolidated VIEs. If our consolidated VIEs or their shareholders fail to perform their respective obligations under these contractual arrangements, our recourse to the assets held by our consolidated VIEs is indirect and we may have to incur substantial costs and expend significant resources to enforce such arrangements in reliance on legal remedies under PRC law. These remedies may not always be effective, particularly in light of uncertainties in the PRC legal system. Furthermore, in connection with litigation, arbitration or other judicial or dispute resolution proceedings, assets under the name of any of record holder of equity interest in our consolidated VIEs, including such equity interest, may be put under court custody. As a consequence, we cannot be certain that the equity interest will be disposed pursuant to the contractual arrangement or ownership by the record holder of the equity interest.

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All of these contractual arrangements are governed by PRC law and provide for the resolution of disputes through arbitration in the PRC. Accordingly, these contracts would be interpreted in accordance with PRC laws and any disputes would be resolved in accordance with PRC legal procedures. The legal environment in the PRC is not as developed as in other jurisdictions, such as the United States. As a result, uncertainties in the PRC legal system could limit our ability to enforce these contractual arrangements. In the event that we are unable to enforce these contractual arrangements, or if we suffer significant time delays or other obstacles in the process of enforcing these contractual arrangements, it would be very difficult to exert effective control over our consolidated VIEs, and our ability to conduct our business and our financial conditions and results of operation may be materially and adversely affected. See “—Risks Related to Doing Business in the People’s Republic of China—There are uncertainties regarding the interpretation and enforcement of PRC laws, rules and regulations.”

The shareholders of our consolidated VIEs may have potential conflicts of interest with us, which may materially and adversely affect our business and financial condition.

In connection with our operations in China, we rely on the shareholders of our consolidated VIEs to abide by the obligations under such contractual arrangements. In particular, Shanghai Shu’an Data Services Co., Ltd., or GDS Shanghai, is 99.90% owned by William Wei Huang, our chairman and chief executive officer, and 0.10% owned by Qiuping Huang, and Beijing Wanguo Chang’an Science & Technology Co., Ltd., or GDS Beijing, is approximately 99.97% owned by William Wei Huang, and approximately 0.03% owned by Qiuping Huang. The interests of William Wei Huang and Qiuping Huang in their individual capacities as the shareholders of GDS Shanghai and GDS Beijing may differ from the interests of our company as a whole, as what is in the best interests of GDS Shanghai and GDS Beijing, including matters such as whether to distribute dividends or to make other distributions to fund our offshore requirement, may not be in the best interests of our company. There can be no assurance that when conflicts of interest arise, any or all of these individuals will act in the best interests of our company or that conflicts of interest will be resolved in our favor. In addition, these individuals may breach or cause our consolidated VIEs and their subsidiaries to breach or refuse to renew the existing contractual arrangements with us.

Currently, we do not have arrangements to address potential conflicts of interest the shareholders of GDS Shanghai and GDS Beijing may encounter, on one hand, and as a beneficial owner of our company, on the other hand; provided that we could, at all times, exercise our option under the exclusive call option agreements to cause them to transfer all of their equity ownership in GDS Shanghai and GDS Beijing to a PRC entity or individual designated by us as permitted by the then applicable PRC laws. In addition, if such conflicts of interest arise, we could also, in the capacity of attorney-in-fact of the then existing shareholders of GDS Shanghai and GDS Beijing as provided under the shareholder voting rights proxy agreements, directly appoint new directors of GDS Shanghai and GDS Beijing. We rely on the shareholders of our consolidated VIEs to comply with PRC laws and regulations, which protect contracts and provide that directors and executive officers owe a duty of loyalty to our company and require them to avoid conflicts of interest and not to take advantage of their positions for personal gains, and the laws of the Cayman Islands, which provide that directors have a duty of care and a duty of loyalty to act honestly in good faith with a view to our best interests. However, the legal frameworks of China and Cayman Islands do not provide guidance on resolving conflicts in the event of a conflict with another corporate governance regime. If we cannot resolve any conflicts of interest or disputes between us and the shareholders of our consolidated VIEs, we would have to rely on legal proceedings, which could result in disruption of our business and subject us to substantial uncertainty as to the outcome of any such legal proceedings.

Our corporate actions are substantially controlled by our principal shareholders, including our founder, chairman and chief executive officer, William Wei Huang, who have the ability to control or exert significant influence over important corporate matters that require approval of shareholders, which may deprive you of an opportunity to receive a premium for your ADSs and materially reduce the value of your investment.

Our amended articles of association provide that Class B ordinary shares are entitled to 20 votes per share at general meetings of our shareholders with respect to the election of a simple majority of our directors. Mr. William Wei Huang beneficially owns 100% of the Class B ordinary shares issued and outstanding, and any additional Class A ordinary shares which are acquired by the Class B shareholders will be converted into Class B ordinary shares. In addition, for so long as there are Class B ordinary shares outstanding, the Class B shareholders are entitled (i) to nominate one less than a simple majority, or five, of our directors, and (ii) to have 20 votes per share with respect to the election and removal of a simple majority, or six, of our directors. In addition, our amended articles of association provide that STT GDC Pte Ltd, or STT GDC (a wholly owned subsidiary of Singapore Technologies Telemedia Pte Ltd, or ST Telemedia), has the right to appoint up to three directors to our board of directors for so long as they beneficially own certain percentages of our issued share capital. Such appointments will not be subject to a vote by our shareholders. See “Item 6. Directors, Senior Management and Employees—C. Board Practices—Appointment, Nomination and Terms of Directors.”

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Furthermore, as of December 31, 2016, three of our principal shareholders—STT GDC, SBCVC Holdings Limited (SBCVC), and William Wei Huang, our founder, chairman and chief executive officer—owned or exercised voting and investment control over approximately 37.4%, 14.2% and 10.2% (including ordinary shares (i) underlying share options exercisable within 60 days beneficially owned by Mr. Huang, and (ii) underlying convertible bonds convertible within 60 days beneficially owned by STT GDC), respectively, of our outstanding ordinary shares, and approximately 40.9% and 15.6% of our outstanding Class A ordinary shares, and 100% of our outstanding Class B ordinary shares, respectively.

As a result of these appointment rights, nomination rights, dual-class ordinary share structure and ownership concentration, these shareholders have the ability to control or exert significant influence over important corporate matters, investors may be prevented from affecting important corporate matters involving our company that require approval of shareholders, including:

·                                 the composition of our board of directors and, through it, any determinations with respect to our operations, business direction and policies, including the appointment and removal of officers;

·                                 any determinations with respect to mergers or other business combinations;

·                                 our disposition of substantially all of our assets; and

·                                 any change in control.

These actions may be taken even if they are opposed by our other shareholders, including the holders of the ADSs.

Furthermore, this concentration of ownership may also discourage, delay or prevent a change in control of our company, which could have the dual effect of depriving our shareholders of an opportunity to receive a premium for their shares as part of a sale of our company and reducing the price of the ADSs. As a result of the foregoing, the value of your investment could be materially reduced.

If the custodians or authorized users of our controlling non-tangible assets, including chops and seals, fail to fulfill their responsibilities, or misappropriate or misuse these assets, our business and operations may be materially and adversely affected.

Under PRC law, legal documents for corporate transactions, including agreements and contracts such as the leases and sales contracts that our business relies on, are executed using the chop or seal of the signing entity or with the signature of a legal representative whose designation is registered and filed with the relevant local branch of the SAIC. We generally execute legal documents by affixing chops or seals, rather than having the designated legal representatives sign the documents.

We have three major types of chops—corporate chops, contract chops and finance chops. We use corporate chops generally for documents to be submitted to government agencies, such as applications for changing business scope, directors or company name, and for legal letters. We use contract chops for executing leases and commercial, contracts. We use finance chops generally for making and collecting payments, including, but not limited to issuing invoices. Use of corporate chops and contract chops must be approved by our legal department and administrative department, and use of finance chops must be approved by our finance department. The chops of our subsidiaries and consolidated VIEs are generally held by the relevant entities so that documents can be executed locally. Although we usually utilize chops to execute contracts, the registered legal representatives of our subsidiaries and consolidated VIEs have the apparent authority to enter into contracts on behalf of such entities without chops, unless such contracts set forth otherwise.

In order to maintain the physical security of our chops, we generally have them stored in secured locations accessible only to the designated key employees of our legal, administrative or finance departments. Our designated legal representatives generally do not have access to the chops. Although we have approval procedures in place and monitor our key employees, including the designated legal representatives of our subsidiaries and consolidated VIEs, the procedures may not be sufficient to prevent all instances of abuse or negligence. There is a risk that our key employees or designated legal representatives could abuse their authority, for example, by binding our subsidiaries and consolidated VIEs with contracts against our interests, as we would be obligated to honor these contracts if the other contracting party acts in good faith in reliance on the apparent authority of our chops or signatures of our legal representatives. If any designated legal representative obtains control of the chop in an effort to obtain control over the relevant entity, we would need to have a shareholder or board resolution to designate a new legal representative and to take legal action to seek the return of the chop, apply for a new chop with the relevant authorities, or otherwise seek legal remedies for the legal representative’s misconduct. If any of the designated legal representatives obtains and misuses or misappropriates our chops and seals or other controlling intangible assets for whatever reason, we could experience disruption to our normal business operations. We may have to take corporate or legal action, which could involve significant time and resources to resolve while distracting management from our operations, and our business and operations may be materially and adversely affected.

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Substantial uncertainties exist with respect to the enactment timetable, interpretation and implementation of the draft PRC Foreign Investment Law, and its enactment may materially and adversely affect our business and financial condition.

The MOFCOM published a discussion draft of the proposed Foreign Investment Law in January 2015 aiming to, upon its enactment, replace the major existing laws and regulations governing foreign investment in China. While the MOFCOM solicited comments on this draft, substantial uncertainties exist with respect to the enactment timetable, interpretation and implementation of the proposed legislation and the extent of revision to the currently proposed draft. The draft Foreign Investment Law, if enacted as proposed, may materially impact the entire legal framework regulating foreign investments in China.

Among other things, the draft Foreign Investment Law purports to introduce the principle of “actual control” in determining whether a company is considered a foreign invested enterprise, or an FIE. The draft Foreign Investment Law specifically provides that entities established in China but “controlled” by foreign investors will be treated as FIEs, whereas an entity organized in a foreign jurisdiction, but cleared by the MOFCOM as “controlled” by PRC entities and/or citizens, would nonetheless be treated as a PRC domestic entity for investment in the “restriction category” or similar category that could appear on any such “negative list.” In this connection, “control” is broadly defined in the draft law to cover any of the following summarized categories:

·                                 holding 50% or more of the voting rights or similar rights and interests of the subject entity;

·                                 holding less than 50% of the voting rights or similar rights and interests of the subject entity but having the power to directly or indirectly appoint or otherwise secure at least 50% of the seats on the board or other equivalent decision making bodies, or having the voting power to materially influence the board, the shareholders’ meeting or other equivalent decision making bodies; or

·                                 having the power to exert decisive influence, via contractual or trust arrangements, over the subject entity’s operations, financial, staffing and technology matters.

Once an entity is determined to be an FIE, and its investment amount exceeds certain thresholds or its business operation falls within a “negative list” purported to be separately issued by the State Council in the future, market entry clearance by the MOFCOM or its local counterparts would be required.

The “variable interest entity” structure, or VIE structure, has been adopted by many PRC-based companies, including us, to obtain necessary licenses and permits in the industries that are currently subject to foreign investment restrictions in China. Under the draft Foreign Investment Law, VIEs that are controlled via contractual arrangements would also be deemed as FIEs, if they are ultimately “controlled” by foreign investors. For any companies with a VIE structure in an industry category that is in the “restriction category” or similar category that could appear on any such “negative list,” the existing VIE structure may be deemed legitimate only if the ultimate controlling person(s) is/are of PRC nationality (either PRC state owned enterprises or agencies, or PRC citizens). Conversely, if the actual controlling person(s) is/are of foreign nationalities, then the VIEs will be treated as FIE, in which case, the existing VIE structures will likely to be scrutinized and subject to foreign investment restrictions and approval from the MOFCOM and other supervising authorities such as MIIT. Any operation in the industry category on the “negative list” without market entry clearance may be considered as illegal.

However, there are significant uncertainties as to how the control status of our company, our consolidated VIEs would be determined under the enacted version of the Foreign Investment Law. In addition, it is uncertain whether any of the businesses that we currently operate or plan to operate in the future through our consolidated VIEs and the businesses operated by our equity investees with a VIE structure would be on the to-be-issued “negative list” and therefore be subject to any foreign investment restrictions or prohibitions. We also face uncertainties as to whether the enacted version of the Foreign Investment Law and the final “negative list” would mandate further actions, such as MOFCOM market entry clearance, to be completed by companies with existing VIE structure and whether such clearance can be timely obtained, or at all. If we or our equity investees with a VIE structure were not considered as ultimately controlled by PRC domestic investors under the enacted version of the Foreign Investment Law, further actions required to be taken by us or such equity investees under the enacted Foreign Investment Law may materially and adversely affect our business and financial condition.

In addition, our corporate governance practice may be materially impacted and our compliance costs could increase if we were not considered as ultimately controlled by PRC domestic investors under the Foreign Investment Law, if enacted as currently proposed. For instance, the draft Foreign Investment Law as proposed purports to impose stringent ad hoc and periodic information reporting requirements on foreign investors and the applicable FIEs. Aside from investment implementation report and investment amendment report that would be required for each investment and alteration of investment specifics, an annual report would be mandatory, and large foreign investors meeting certain criteria would be required to report on a quarterly basis. Any company found to be non-compliant with these information reporting obligations could potentially be subject to fines and/or administrative or criminal liabilities, and the persons directly responsible could be subject to criminal liabilities.

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Risks Related to Doing Business in the People’s Republic of China

We may be regarded as being non-compliant with the regulations on VATS due to the lack of IDC licenses for which penalties may be assessed that may materially and adversely affect our business, financial condition, growth strategies and prospects.

The laws and regulations regarding value-added telecommunications services, or VATS, licenses in the PRC are relatively new and are still evolving, and their interpretation and enforcement involve significant uncertainties. Investment activities in the PRC by foreign investors are principally governed by the Industry Catalog Relating to Foreign Investment, or the Catalog. The Catalog divides industries into three categories: encouraged, restricted and prohibited. Industries not include in the Catalog are permitted industries. Industries such as VATS, including Internet data center services, or IDC services, restrict foreign investment. Specifically, the Administrative Regulations on Foreign-Invested Telecommunications Enterprises restrict the ultimate capital contribution percentage held by foreign investor(s) in a foreign-invested VATS enterprise to 50% or less. See “Item 4. Information on the Company—B. Business Overview—Regulatory Matters—Regulation on Foreign Investment Restrictions” for additional details. Under the Telecommunications Regulations of the People’s Republic of China, or the Telecom Regulations, telecommunications service providers are required to procure operating licenses prior to their commencement of operations.

Before 2013, the definition of the IDC services was subject to interpretation as to whether our services would fall within its scope. In addition, authorities in different localities had different interpretations. According to the Telecom Catalogue publicized in February 2003 by the Ministry of Information Industry, or MII, the predecessor of the MIIT, which took effect in April 2003, and our consultations with the MIIT, IDC services should be rendered through the connection with the Internet or other public telecommunications networks.

On May 6, 2013, the “Q&A on the Application of IDC/ISP Business”, the Q&A, was published on the website of China Academy of Telecom Research, an affiliate of the MIIT. The Q&A was issued together with the draft revised Telecom Catalogue of the 2013 version, which although not an official law or regulation, reflected the evolving attitude of the MIIT towards the legal requirements as to applications for IDC licenses. A national consulting body and certain telephone numbers, the Designated Numbers, are provided in the Q&A to answer any questions arising from the application of IDC licenses. Since then, even though the definition of IDC services under the Q&A is identical to that under the Telecom Catalogue, whether a business model should be deemed to be IDC services is subject to the unified clarifications under the Q&A and replies obtained from such Designated Numbers, rather than different replies which may be obtained from different officials from MIIT or its local branches. The draft revised Telecom Catalogue did not come into effect until March 2016, when it was further revised to adapt to developments in the telecommunications industry. During such period, we closely followed legislative developments and conducted feasibility studies for restructuring our business. Based on the Q&A and our consultation with both the Designated Numbers and MIIT officials in 2014 and 2015, IDC services which did not utilize public telecommunication networks would also require an IDC license and that IDC services could only be provided by a holder of an IDC license, or a subsidiary of such holder, with the authorization of the holder.

GDS Beijing obtained a cross-regional IDC license in November 2013, the scope of which now includes Shanghai, Suzhou, Beijing, Shenzhen, Chengdu and Guangzhou. In order to adapt to the new regulatory requirements and address pre-existing customer contracts, we converted Global Data Solutions Co., Ltd., or GDS Suzhou, into a domestic company wholly owned by GDS Beijing by acquiring all of the equity interests in GDS Suzhou from Further Success Limited, or FSL, a limited liability company established in the British Virgin Islands, in order to enable GDS Suzhou to provide IDC services with the authorization of GDS Beijing, and under the auspices of an IDC license held by GDS Beijing. MIIT has approved GDS Beijing’s application to expand its IDC license coverage to include GDS Suzhou and Kunshan Wanyu Data Service Co., Ltd., or Kunshan Wanyu, so that they are now authorized to provide IDC services. See “Item 4. Information on the Company—A. History and Development of the Company—2016 VIE Restructuring.” As part of the VIE restructuring, we have converted and changed the shareholding of Shanghai Waigaoqiao EDC Technology Co, Ltd., or EDC Shanghai Waigaoqiao, in the same way as GDS Suzhou, and MIIT has approved GDS Beijing’s application to expand its IDC license coverage to include EDC Shanghai Waigaoqiao so that EDC Shanghai Waigaoqiao is also authorized to provide IDC services. Guangzhou Weiteng has its own IDC license. In addition, with regard to the other WFOEs that have not contributed substantial revenue, we are deliberating different measures to ensure that any business activity that may have to be conducted by IDC license holders will be conducted by our IDC license holders, which are our consolidated VIEs. See “Item 4. Information on the Company—B. Business Overview—Regulatory Matters—Regulations Related to Value-Added Telecommunications Business” for additional details.

However, there can be no assurance that our contracts signed before the completion of the VIE restructuring with any of our WFOEs as the service provider will not be deemed as historical non-compliance. If the MIIT regards us as existing in a state of non-compliance, penalties could potentially be assessed against us. It is possible that the amount of any such penalties may be several times more than the net revenue generated from these services. Our business, financial condition, expected growth and prospects would be materially and adversely affected if such penalties were to be assessed upon us. It is also possible that the PRC government may prohibit a non-compliant entity from continuing to carry on its business, which would materially and adversely affect our results of operations, expected growth and prospects.

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GDS Shanghai may be regarded as being non-compliant with the regulations on VATS, due to operating beyond the permitted geographic scope of its IDC license.

One of our consolidated VIEs, GDS Shanghai, obtained a regional IDC license for the Shanghai area in January 2012. Nevertheless, GDS Shanghai provided IDC services in cities outside of Shanghai, which were beyond the scope of its then-effective IDC license. GDS Shanghai upgraded its IDC license to a cross-regional license in April 2016, according to which GDS Shanghai is allowed to provide IDC services in Beijing, Shanghai, Suzhou, Shenzhen and Chengdu. However, if the MIIT regards GDS Shanghai as being historically non-compliant, penalties which could be several times more than the net revenue generated from these services, could potentially be assessed against us, and as a result, our business, financial condition, expected growth and prospects would be materially and adversely affected. It is also possible that the PRC government may prohibit a historically non-compliant entity from continuing to carry on its business, which would materially and adversely affect our results of operations, expected growth and prospects.

One of our subsidiaries, GDS (HK) Limited, has entered into IDC service agreements with customers outside China, which may be regarded as non-compliance with the regulations on foreign investment restriction and value added telecommunications services, by providing IDC service without qualification.

In 2015 and 2016, GDS (HK) Limited, or GDS HK, which is one of our Hong Kong—incorporated subsidiaries, entered into IDC service agreements with a few customers outside China, while the actual service provider was intended to be GDS Beijing or EDC Shanghai Waigaoqiao. These IDC service agreements may be regarded as non-compliant, because the law prohibits foreign entities providing IDC services in the PRC.

We are in the process of amending the IDC service agreements so that GDS Beijing or its subsidiary is the contracted service provider. However, we cannot assure you that our agreements as they were in effect prior to such amendment will not be found to have been non-compliant. If the MIIT regards such agreements as non-compliant, penalties could potentially be assessed against us, and as a result, our business, financial condition, expected growth and prospects would be materially and adversely affected.

We may fail to obtain, maintain and update licenses and permits necessary to conduct our operations in the PRC, and our business may be materially and adversely affected as a result of any changes in the laws and regulations governing the VATS industry in the PRC.

There can be no assurance that we will be able to maintain our existing licenses or permits necessary to provide our current IDC services in the PRC, renew any of them when their current term expires, or update existing licenses or obtain additional licenses necessary for our future business expansion. The failure to obtain, retain, renew or update any license or permit generally, and our IDC licenses in particular, could materially and adversely disrupt our business and future expansion plans.

For example, the revised Telecom Catalogue came into effect in March 2016 in which the definition of the IDC business also covers the Internet resources collaboration services business to reflect the developments in the telecommunications industry in China and covers cloud-based services. We submitted written commitments to the MIIT before March 31, 2017 in order to meet the relevant requirements for operating internet resources collaboration services under the Circular of the Ministry of Industry and Information Technology on Clearing up and Regulating the Internet Access Service Market issued by the MIIT in January 2017, or the 2017 MIIT Circular, and will apply for the expansion of the scope in our IDC licenses to meet legislation development. If the MIIT regards any of our companies in China as being non-compliant, penalties could be assessed against us, and our business, financial condition, expected growth and prospects would be materially and adversely affected.

In addition, if future PRC laws or regulations governing the VATS industry require that we obtain additional licenses or permits or update existing licenses in order to continue to provide our IDC services, there can be no assurance that we would be able to obtain such licenses or permits or update existing licenses in a timely fashion, or at all. If any of these situations occur, our business, financial condition and prospects would be materially and adversely affected.

According to the 2017 MIIT Circular, IDC service providers need to obtain a license in order to lease private network circuits to customers. We are in the process of applying for this license in order to comply with this requirement. There can be no assurance that the MIIT will grant us the required license. If we are not granted the license, or certain conditions are placed on our ability to receive it, it would be detrimental to our ability to carry out our operations, and would materially and adversely affect our business, financial condition and results of operations.

The 2017 MIIT Circular also indicates that companies are not allowed to conduct cross-border business operations by setting up or leasing a private network circuit without the approval of the MIIT.

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We are in the process of evaluating the impact of the 2017 MIIT Circular on our business, including any requirement on our part to notify our customers of the new requirements in the 2017 MIIT Circular, in order to comply with these requirements. The 2017 MIIT Circular was only recently issued, and we continue to evaluate its impact on our operations and the steps we may need to take in order to comply with its provisions. If the MIIT finds that our compliance measures are inadequate or insufficient, it could require us to make rectification, or impose fines or other penalties and sanctions on us, which could materially and adversely affect our business, financial condition, reputation and results of operations.

Third-party data center providers from whom we lease data center space on a wholesale basis may fail to maintain licenses and permits necessary to conduct their operations in the PRC, and our business may be materially and adversely affected.

As of December 31, 2016, we operated an aggregate net floor area of 9,094 sqm that we lease on a wholesale basis from other data center providers, and which we refer to as our third-party data centers. There can be no assurance that the wholesale data center providers from whom we lease will be able to maintain their existing licenses or permits necessary to provide our current IDC services in the PRC or renew any of them when their current term expires. Their failure to obtain, retain or renew any license or permit generally, and their IDC licenses in particular, could materially and adversely disrupt our business.

In addition, if future PRC laws or regulations governing the VATS industry require that the wholesale data center providers from whom we lease obtain additional licenses or permits in order to continue to provide their IDC services, there can be no assurance that they would be able to obtain such licenses or permits in a timely fashion, or at all. If any of these situations occur, our business, financial condition and prospects could be materially and adversely affected.

Changes in the political and economic policies of the PRC government may materially and adversely affect our business, financial condition and results of operations and may result in our inability to sustain our growth and expansion strategies.

Substantially all of our operations are conducted in the PRC and a substantial majority of our net revenue is sourced from the PRC. Accordingly, our financial condition and results of operations are affected to a significant extent by economic, political and legal developments in the PRC.

The PRC economy differs from the economies of most developed countries in many respects, including the extent of government involvement, level of development, growth rate, and control of foreign exchange and allocation of resources. Although the PRC government has implemented measures emphasizing the utilization of market forces for economic reform, the reduction of state ownership of productive assets, and the establishment of improved corporate governance in business enterprises, a substantial portion of productive assets in China is still owned by the government. In addition, the PRC government continues to play a significant role in regulating industry development by imposing industrial policies. The PRC government also exercises significant control over China’s economic growth by allocating resources, controlling payment of foreign currency-denominated obligations, setting monetary policy, regulating financial services and institutions and providing preferential treatment to particular industries or companies.

While the PRC economy has experienced significant growth in the past three decades, growth has been uneven, both geographically and among various sectors of the economy. The PRC government has implemented various measures to encourage economic growth and guide the allocation of resources. Some of these measures may benefit the overall PRC economy, but may also have a negative effect on us. Our financial condition and results of operation could be materially and adversely affected by government control over capital investments or changes in tax regulations that are applicable to us. In addition, the PRC government has implemented in the past certain measures to control the pace of economic growth. These measures may cause decreased economic activity, which in turn could lead to a reduction in demand for our services and consequently have a material adverse effect on our businesses, financial condition and results of operations.

There are uncertainties regarding the interpretation and enforcement of PRC laws, rules and regulations.

Substantially all of our operations are conducted in the PRC, and are governed by PRC laws, rules and regulations. Our PRC subsidiaries and consolidated VIEs are subject to laws, rules and regulations applicable to foreign investment in China. The PRC legal system is a civil law system based on written statutes. Unlike the common law system, prior court decisions may be cited for reference but have limited precedential value.

In 1979, the PRC government began to promulgate a comprehensive system of laws, rules and regulations governing economic matters in general. The overall effect of legislation over the past three decades has significantly enhanced the protections afforded to various forms of foreign investment in China. However, China has not developed a fully integrated legal system, and recently enacted laws, rules and regulations may not sufficiently cover all aspects of economic activities in China or may be subject to significant degrees of interpretation by PRC regulatory agencies. In particular, because these laws, rules and regulations are relatively new, and because of the limited number of published decisions and the nonbinding nature of such decisions, and because the laws, rules and regulations often give the relevant regulator significant discretion in how to enforce them, the interpretation and enforcement of these laws, rules and regulations involve uncertainties and can be inconsistent and unpredictable. In addition, the PRC legal system is based in part on government policies and internal rules, some of which are not published on a timely basis or at all, and which may have a retroactive effect. As a result, we may not be aware of our violation of these policies and rules until after the occurrence of the violation.

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Any administrative and court proceedings in China may be protracted, resulting in substantial costs and diversion of resources and management attention. Since PRC administrative and court authorities have significant discretion in interpreting and implementing statutory and contractual terms, it may be more difficult to evaluate the outcome of administrative and court proceedings and the level of legal protection we enjoy than in more developed legal systems. These uncertainties may impede our ability to enforce the contracts we have entered into and could materially and adversely affect our business, financial condition and results of operations.

Our business operations are extensively impacted by the policies and regulations of the PRC government. Any policy or regulatory change may cause us to incur significant compliance costs.

We are subject to extensive national, provincial and local governmental regulations, policies and controls. Central governmental authorities and provincial and local authorities and agencies regulate many aspects of Chinese industries, including, among others and in addition to specific industry-related regulations, the following aspects:

·                                 construction or development of new data centers or rebuilding or expansion of existing data centers;

·                                 banking regulations, as a result of the colocation services we provide to banks and financial institutions, including regulations governing the use of subcontractors in the management and maintenance of facilities;

·                                 environment laws and regulations;

·                                 security laws and regulations;

·                                 establishment of or changes in shareholder of foreign investment enterprises;

·                                 foreign exchange;

·                                 taxes, duties and fees;

·                                 customs; and

·                                 land planning and land use rights.

The liabilities, costs, obligations and requirements associated with these laws and regulations may be material, may delay the commencement of operations at our new data centers or cause interruptions to our operations. Failure to comply with the relevant laws and regulations in our operations may result in various penalties, including, among others the suspension of our operations and thus adversely and materially affect our business, prospects, financial condition and results of operations. Additionally, there can be no assurance that the relevant government agencies will not change such laws or regulations or impose additional or more stringent laws or regulations. For example, see “Item 4. Information on the Company—B. Business Overview—Regulatory Matters—Regulations Related to Information Technology Outsourcing Services Provided to Banking Financial Institutions” for information regarding regulations of banking and financial institutions that outsource their data center services to us, and “—Regulations Related to Land Use Rights” for information regarding restrictions on the new construction or expansion of data centers within the boundaries of the Beijing municipality. Compliance with such laws or regulations may require us to incur material capital expenditures or other obligations or liabilities.

The approval of the China Securities Regulatory Commission, or the CSRC, may be required under a PRC regulation. The regulation also establishes more complex procedures for acquisitions conducted by foreign investors that could make it more difficult for us to grow through acquisitions.

On August 8, 2006, six PRC regulatory agencies, including the MOFCOM, the State-Owned Assets Supervision and Administration Commission, or the SASAC, the State Administration of Taxation, the State Administration for Industry and Commerce, or the SAIC, the CSRC, and the SAFE, jointly adopted the Regulations on Mergers and Acquisitions of Domestic Enterprises by Foreign Investors, or the M&A Rules, which came into effect on September 8, 2006 and were amended on June 22, 2009. The M&A Rules include, among other things, provisions that purport to require that an offshore special purpose vehicle formed for the purpose of an overseas listing of securities in a PRC company obtain the approval of the CSRC prior to the listing and trading of such special purpose vehicle’s securities on an overseas stock exchange. On September 21, 2006, the CSRC published on its official website procedures regarding its approval of overseas listings by special purpose vehicles. However, substantial uncertainty remains regarding the scope and applicability of the M&A Rules to offshore special purpose vehicles.

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While the application of the M&A Rules remains unclear, we believe, based on the advice of our PRC counsel, King & Wood Mallesons, that the CSRC approval was not required in the context of our initial public offering because we had not acquired any equity interests or assets of a PRC company owned by its controlling shareholders or beneficial owners who are PRC companies or individuals, as such terms are defined under the M&A Rules. There can be no assurance that the relevant PRC government agencies, including the CSRC, would reach the same conclusion as our PRC counsel. If the CSRC or another PRC regulatory body subsequently determines that its approval was needed for our initial public offering or such approval is needed for any future offerings, we may face adverse actions or sanctions by the CSRC or other PRC regulatory agencies. In any such event, these regulatory agencies may impose fines and penalties on our operations in China, limit our operating privileges in China, delay or restrict the repatriation of the proceeds from our initial public offering into the PRC or take other actions that could have a material adverse effect on our business, financial condition, results of operations, reputation and prospects, as well as the trading price of our ADSs.

The new regulations also established additional procedures and requirements that are expected to make merger and acquisition activities in China by foreign investors more time-consuming and complex, including requirements in some instances that the MOFCOM be notified in advance of any change-of-control transaction in which a foreign investor takes control of a PRC domestic enterprise, or that the approval from the MOFCOM be obtained in circumstances where overseas companies established or controlled by PRC enterprises or residents acquire affiliated domestic companies. We may grow our business in part by acquiring other companies operating in our industry. Complying with the requirements of the new regulations to complete such transactions could be time-consuming, and any required approval processes, including approval from the MOFCOM, may delay or inhibit our ability to complete such transactions, which could affect our ability to expand our business or maintain our market share. See “Item 4. Information on the Company—B. Business Overview—Regulatory Matters—Regulations Related to M&A and Overseas Listings.”

PRC regulations relating to investments in offshore companies by PRC residents may subject our PRC-resident beneficial owners or our PRC subsidiaries to liability or penalties, limit our ability to inject capital into our PRC subsidiaries or limit our PRC subsidiaries’ ability to increase their registered capital or distribute profits.

SAFE promulgated the Circular on Relevant Issues Concerning Foreign Exchange Control on Domestic Residents’ Offshore Investment and Financing and Roundtrip Investment through Special Purpose Vehicles, or SAFE Circular 37, on July 4, 2014, which replaced the former circular commonly known as “SAFE Circular 75” promulgated by SAFE on October 21, 2005. SAFE Circular 37 requires PRC residents to register with local branches of SAFE in connection with their direct establishment or indirect control of an offshore entity, for the purpose of overseas investment and financing, with such PRC residents’ legally owned assets or equity interests in domestic enterprises or offshore assets or interests, referred to in SAFE Circular 37 as a “special purpose vehicle.” SAFE Circular 37 further requires amendment to the registration in the event of any significant changes with respect to the special purpose vehicle, such as increase or decrease of capital contributed by PRC individuals, share transfer or exchange, merger, division or other material event. In the event that a PRC shareholder holding interests in a special purpose vehicle fails to fulfill the required SAFE registration, the PRC subsidiaries of that special purpose vehicle may be prohibited from making profit distributions to the offshore parent and from carrying out subsequent cross-border foreign exchange activities, and the special purpose vehicle may be restricted in its ability to contribute additional capital into its PRC subsidiary. Moreover, failure to comply with the various SAFE registration requirements described above could result in liability under PRC law for evasion of foreign exchange controls. According to the Notice on Further Simplifying and Improving Policies for the Foreign Exchange Administration of Direct Investment released on February 13, 2015 by SAFE, local banks will examine and handle foreign exchange registration for overseas direct investment, including the initial foreign exchange registration and amendment registration, under SAFE Circular 37 from June 1, 2015.

Mr. William Wei Huang has completed the initial SAFE registration pursuant to SAFE Circular 75 in 2012, and is in the process of applying for amendment of such registration. We have notified substantial beneficial owners of ordinary shares who we know are PRC residents of their filing obligation. Nevertheless, we may not be aware of the identities of all of our beneficial owners who are PRC residents. We do not have control over our beneficial owners and there can be no assurance that all of our PRC-resident beneficial owners will comply with SAFE Circular 37 and subsequent implementation rules, and there is no assurance that the registration under SAFE Circular 37 and any amendment will be completed in a timely manner, or will be completed at all. The failure of our beneficial owners who are PRC residents to register or amend their foreign exchange registrations in a timely manner pursuant to SAFE Circular 37 and subsequent implementation rules, or the failure of future beneficial owners of our company who are PRC residents to comply with the registration procedures set forth in SAFE Circular 37 and subsequent implementation rules, may subject such beneficial owners or our PRC subsidiaries to fines and legal sanctions. Failure to register or comply with relevant requirements may also limit our ability to contribute additional capital to our PRC subsidiaries and limit our PRC subsidiaries’ ability to distribute dividends to our company. These risks may have a material adverse effect on our business, financial condition and results of operations.

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Any failure to comply with PRC regulations regarding our employee share incentive plans may subject the PRC plan participants or us to fines and other legal or administrative sanctions.

Pursuant to SAFE Circular 37, PRC residents who participate in share incentive plans in overseas non-publicly-listed companies due to their position as director, senior management or employees of the PRC subsidiaries of the overseas companies may submit applications to SAFE or its local branches for the foreign exchange registration with respect to offshore special purpose companies. Our directors, executive officers and other employees who are PRC residents and who were granted options may follow SAFE Circular 37 to apply for the foreign exchange registration before our company became an overseas listed company. Since our company became an overseas listed company upon completion of our initial public offering, we and our directors, executive officers and other employees who are PRC residents and who have been granted options have been subject to the Notice on Issues Concerning the Foreign Exchange Administration for Domestic Individuals Participating in Stock Incentive Plan of Overseas Publicly Listed Company, issued by SAFE in February 2012, according to which, employees, directors, supervisors and other management members participating in any stock incentive plan of an overseas publicly listed company who are PRC residents are required to register with SAFE through a domestic qualified agent, which could be a PRC subsidiary of such overseas listed company, and complete certain other procedures. We have been making efforts to comply with these requirements since the completion of our initial public offering. However, there can be no assurance that they can successfully register with SAFE in full compliance with the rules. Failure to complete the SAFE registrations may subject them to fines and legal sanctions and may also limit the ability to make payment under our share incentive plans or receive dividends or sales proceeds related thereto, or our ability to contribute additional capital into our wholly-foreign owned enterprises in China and limit our wholly-foreign owned enterprises’ ability to distribute dividends to us. We also face regulatory uncertainties that could restrict our ability to adopt additional share incentive plans for our directors and employees under PRC law.

The enforcement of the Labor Contract Law of the People’s Republic of China, or the PRC Labor Contract Law, and other labor-related regulations in the PRC may increase our labor costs, impose limitations on our labor practices and adversely affect our business and our results of operations.

On June 29, 2007, the Standing Committee of the National People’s Congress of China enacted the PRC Labor Contract Law, which became effective on January 1, 2008 and was amended on December 28, 2012. The PRC Labor Contract Law introduces specific provisions related to fixed-term employment contracts, part-time employment, probation, consultation with labor unions and employee assemblies, employment without a written contract, dismissal of employees, severance, and collective bargaining, which together represent enhanced enforcement of labor laws and regulations. According to the PRC Labor Contract Law, an employer is obliged to sign an unfixed-term labor contract with any employee who has worked for the employer for 10 consecutive years. Further, if an employee requests or agrees to renew a fixed-term labor contract that has already been entered into twice consecutively, the resulting contract must have an unfixed term, with certain exceptions. The employer must pay economic compensation to an employee where a labor contract is terminated or expires in accordance with the PRC Labor Contract Law, except for certain situations which are specifically regulated. In addition, the government has issued various labor-related regulations to further protect the rights of employees. According to such laws and regulations, employees are entitled to annual leave ranging from five to 15 days and are able to be compensated for any untaken annual leave days in the amount of three times their daily salary, subject to certain exceptions. In the event that we decide to change our employment or labor practices, the PRC Labor Contract Law and its implementation rules may also limit our ability to effect those changes in a manner that we believe to be cost-effective. In addition, as the interpretation and implementation of these new regulations are still evolving, our employment practices may not be at all times deemed in compliance with the new regulations. If we are subject to severe penalties or incur significant liabilities in connection with labor disputes or investigations, our business and financial conditions may be adversely affected.

We rely to a significant extent on dividends and other distributions on equity paid by our principal operating subsidiaries to fund offshore cash and financing requirements.

We are a holding company and rely to a significant extent on dividends and other distributions on equity paid by our principal operating subsidiaries and on remittances from the consolidated VIEs, for our offshore cash and financing requirements, including the funds necessary to pay dividends and other cash distributions to our shareholders, fund inter-company loans, service any debt we may incur outside of China and pay our expenses. When our principal operating subsidiaries or the consolidated VIEs incur additional debt, the instruments governing the debt may restrict their ability to pay dividends or make other distributions or remittances to us. Furthermore, the laws, rules and regulations applicable to our PRC subsidiaries and certain other subsidiaries permit payments of dividends only out of their retained earnings, if any, determined in accordance with applicable accounting standards and regulations.

Under PRC laws, rules and regulations, each of our subsidiaries incorporated in China is required to set aside at least 10% of its net income each year to fund certain statutory reserves until the cumulative amount of such reserves reaches 50% of its registered capital. These reserves, together with the registered capital, are not distributable as cash dividends. As a result of these laws, rules and regulations, our subsidiaries incorporated in China are restricted in their ability to transfer a portion of their respective net assets to their shareholders as dividends, loans or advances. As of December 31, 2016, the restricted assets was RMB1,975.2 million (US$284.5 million), all of which consisted of registered capital. Our subsidiaries did not have any retained earnings available for distribution in the form of dividends as of December 31, 2016. In addition, registered share capital and capital reserve accounts are also restricted from withdrawal in the PRC, up to the amount of net assets held in each operating subsidiary.

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Limitations on the ability of VIEs to make remittance to the wholly-foreign owned enterprise and on the ability of our subsidiaries to pay dividends to us could limit our ability to access cash generated by the operations of those entities, including to make investments or acquisitions that could be beneficial to our businesses, pay dividends to our shareholders or otherwise fund and conduct our business.

We may be treated as a resident enterprise for PRC tax purposes under the PRC Enterprise Income Tax Law, and we may therefore be subject to PRC income tax on our global income.

Under the PRC Enterprise Income Tax Law and its implementing rules, enterprises established under the laws of jurisdictions outside of China with “de facto management bodies” located in China may be considered PRC tax resident enterprises for tax purposes and may be subject to the PRC enterprise income tax at the rate of 25% on their global income. “De facto management body” refers to a managing body that exercises substantive and overall management and control over the production and business, personnel, accounting books and assets of an enterprise. The State Administration of Taxation issued the Notice Regarding the Determination of Chinese-Controlled Offshore-Incorporated Enterprises as PRC Tax Resident Enterprises on the Basis of De Facto Management Bodies, or Circular 82, on April 22, 2009. Circular 82 provides certain specific criteria for determining whether the “de facto management body” of a Chinese-controlled offshore-incorporated enterprise is located in China. Although Circular 82 only applies to offshore enterprises controlled by PRC enterprises, not those controlled by foreign enterprises or individuals, the determining criteria set forth in Circular 82 may reflect the State Administration of Taxation’s general position on how the “de facto management body” test should be applied in determining the tax resident status of offshore enterprises, regardless of whether they are controlled by PRC enterprises. If we were to be considered a PRC resident enterprise, we would be subject to PRC enterprise income tax at the rate of 25% on our global income. In such case, our profitability and cash flow may be materially reduced as a result of our global income being taxed under the Enterprise Income Tax Law. We believe that none of our entities outside of China is a PRC resident enterprise for PRC tax purposes. However, the tax resident status of an enterprise is subject to determination by the PRC tax authorities and uncertainties remain with respect to the interpretation of the term “de facto management body.”

We may not be able to obtain certain benefits under the relevant tax treaty on dividends paid by our PRC subsidiary to us through our Hong Kong subsidiary.

We are a holding company incorporated under the laws of the Cayman Islands and as such rely on dividends and other distributions on equity from our PRC subsidiary to satisfy part of our liquidity requirements. Pursuant to the PRC Enterprise Income Tax Law, a withholding tax rate of 10% currently applies to dividends paid by a PRC “resident enterprise” to a foreign enterprise investor, unless any such foreign investor’s jurisdiction of incorporation has a tax treaty with China that provides for preferential tax treatment. Pursuant to the Arrangement between Mainland China and the Hong Kong Special Administrative Region for the Avoidance of Double Taxation and Prevention of Fiscal Evasion with Respect to Taxes on Income, or the Double Tax Avoidance Arrangement, such withholding tax rate may be lowered to 5% if a Hong Kong resident enterprise owns no less than 25% of a PRC enterprise. However, the 5% withholding tax rate does not automatically apply and certain requirements must be satisfied, including without limitation that (a) the Hong Kong enterprise must be the beneficial owner of the relevant dividends; and (b) the Hong Kong enterprise must directly hold no less than 25% share ownership in the PRC enterprise during the 12 consecutive months preceding its receipt of the dividends.

Dividends payable to our foreign investors and gains on the sale of our ADSs or Class A ordinary shares by our foreign investors may become subject to PRC tax.

Under the Enterprise Income Tax Law and its implementation regulations issued by the State Council, a 10% PRC withholding tax is applicable to dividends payable to investors that are non-resident enterprises, which do not have an establishment or place of business in the PRC or which have such establishment or place of business but the dividends are not effectively connected with such establishment or place of business, to the extent such dividends are derived from sources within the PRC. Similarly, any gain realized on the transfer of ADSs or Class A ordinary shares by such investors is also subject to PRC tax at a current rate of 10%, subject to any reduction or exemption set forth in applicable tax treaties or under applicable tax arrangements between jurisdictions, if such gain is regarded as income derived from sources within the PRC. If we are deemed a PRC resident enterprise, dividends paid on our Class A ordinary shares or ADSs, and any gain realized from the transfer of our Class A ordinary shares or ADSs, would be treated as income derived from sources within the PRC and would as a result be subject to PRC taxation. Furthermore, if we are deemed a PRC resident enterprise, dividends payable to individual investors who are non-PRC residents and any gain realized on the transfer of ADSs or Class A ordinary shares by such investors may be subject to PRC tax at a current rate of 20%, subject to any reduction or exemption set forth in applicable tax treaties or under applicable tax arrangements between jurisdictions. If we or any of our subsidiaries established outside China are considered a PRC resident enterprise, it is unclear whether holders of our ADSs or Class A ordinary shares would be able to claim the benefit of income tax treaties or agreements entered into between China and other countries or areas. If dividends payable to our non-PRC investors, or gains from the transfer of our ADSs or Class A ordinary shares by such investors, are deemed as income derived from sources within the PRC and thus are subject to PRC tax, the value of your investment in our ADSs or Class A ordinary shares may decline significantly.

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We and our shareholders face uncertainties with respect to indirect transfers of equity interests in PRC resident enterprises or other assets attributed to a Chinese establishment of a non-Chinese company, or immovable properties located in China owned by non-Chinese companies.

On February 3, 2015, the State Administration of Taxation issued the Bulletin on Issues of Enterprise Income Tax on Indirect Transfers of Assets by Non-PRC Resident Enterprises, or Bulletin 7, which replaced or supplemented previous rules under the Notice on Strengthening Administration of Enterprise Income Tax for Share Transfers by Non-PRC Resident Enterprises, or Circular 698, issued by the State Administration of Taxation, on December 10, 2009. Pursuant to this Bulletin, an “indirect transfer” of assets, including equity interests in a PRC resident enterprise, by non-PRC resident enterprises may be recharacterized and treated as a direct transfer of PRC taxable assets, if such arrangement does not have a reasonable commercial purpose and was established for the purpose of avoiding payment of PRC enterprise income tax. As a result, gains derived from such indirect transfer may be subject to PRC enterprise income tax. According to Bulletin 7, “PRC taxable assets” include assets attributed to an establishment in China, immoveable properties located in China, and equity investments in PRC resident enterprises, in respect of which gains from their transfer by a direct holder, being a non-PRC resident enterprise, would be subject to PRC enterprise income taxes. When determining whether there is a “reasonable commercial purpose” of the transaction arrangement, features to be taken into consideration include: whether the main value of the equity interest of the relevant offshore enterprise derives from PRC taxable assets; whether the assets of the relevant offshore enterprise mainly consists of direct or indirect investment in China or if its income mainly derives from China; whether the offshore enterprise and its subsidiaries directly or indirectly holding PRC taxable assets have real commercial nature which is evidenced by their actual function and risk exposure; the duration of existence of the business model and organizational structure; the replicability of the transaction by direct transfer of PRC taxable assets; and the tax situation of such indirect transfer and applicable tax treaties or similar arrangements. In respect of an indirect offshore transfer of assets of a PRC establishment, the resulting gain is to be included with the enterprise income tax filing of the PRC establishment or place of business being transferred, and would consequently be subject to PRC enterprise income tax at a rate of 25%. Where the underlying transfer relates to the immoveable properties located in China or to equity investments in a PRC resident enterprise, which is not related to a PRC establishment or place of business of a non-resident enterprise, a PRC enterprise income tax of 10% would apply, subject to available preferential tax treatment under applicable tax treaties or similar arrangements, and the party who is obligated to make the transfer payments has the withholding obligation. Where the payor fails to withhold any or sufficient tax, the transferor shall declare and pay such tax to the tax authority by itself within the statutory time limit. Late payment of applicable tax will subject the transferor to default interest. Bulletin 7 does not apply to transactions of sale of shares by investors through a public stock exchange where such shares were acquired from a transaction through a public stock exchange.

There is uncertainty as to the application of Bulletin 7, or previous rules under Circular 698. Especially as Bulletin 7 is lately promulgated, it is not clear how it will be implemented. Bulletin 7 may be determined by the tax authorities to be applicable to our offshore restructuring transactions or sale of our shares or those of our offshore subsidiaries where non-resident enterprises, being the transferors, were involved. For example, in the past, we acquired EDC Holding by issuing shares of GDS Holdings Limited, or GDS Holdings, to its shareholders in exchange for all of the outstanding shares of EDC Holding that were not held by us then. In addition, certain of our direct and indirect shareholders transferred some or all of their equity interest in us through indirect transfers conducted by their respective overseas holding companies which held shares in us. As a result, the transferors and transferees in these transactions, including us may be subject to the tax filing and withholding or tax payment obligation, while our PRC subsidiaries may be requested to assist in the filing. Furthermore, we, our non-resident enterprises and PRC subsidiaries may be required to spend valuable resources to comply with Bulletin 7 or to establish that we and our non-resident enterprises should not be taxed under Bulletin 7, for our previous and future restructuring or disposal of shares of our offshore subsidiaries, which may have a material adverse effect on our financial condition and results of operations.

Restrictions on currency exchange may limit our ability to utilize our net revenue effectively.

Substantially all of our net revenue is denominated in Renminbi. The Renminbi is currently convertible under the “current account,” which includes dividends, trade and service-related foreign exchange transactions, but not under the “capital account,” which includes foreign direct investment and loans, including loans we may secure from our onshore subsidiaries or consolidated VIEs. Currently, certain of our PRC subsidiaries, may purchase foreign currency for settlement of “current account transactions,” including payment of dividends to us, without the approval of SAFE by complying with certain procedural requirements. However, the relevant PRC governmental authorities may limit or eliminate our ability to purchase foreign currencies in the future for current account transactions. Foreign exchange transactions under the capital account remain subject to limitations and require approvals from, or registration with, SAFE and other relevant PRC governmental authorities. Since a significant amount of our future net revenue will be denominated in Renminbi, any existing and future restrictions on currency exchange may limit our ability to utilize net revenue generated in Renminbi to fund our business activities outside of the PRC or pay dividends in foreign currencies to our shareholders, including holders of our ADSs, and may limit our ability to obtain foreign currency through debt or equity financing for our subsidiaries and consolidated VIEs.

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Fluctuations in exchange rates could result in foreign currency exchange losses and could materially reduce the value of your investment.

The value of the Renminbi against the U.S. dollar and other currencies may fluctuate and is affected by, among other things, changes in political and economic conditions and the foreign exchange policy adopted by the PRC government. On July 21, 2005, the PRC government changed its policy of pegging the value of the Renminbi to the U.S. dollar. Following the removal of the U.S. dollar peg, the Renminbi appreciated more than 20% against the U.S. dollar over the following three years. Between July 2008 and June 2010, this appreciation halted and the exchange rate between the RMB and the U.S. dollar remained within a narrow band. Since June 2010, the RMB has started to appreciate slowly against the U.S. dollar, though there have been periods when the U.S. dollar has appreciated against the RMB. On August 11, 2015, the People’s Bank of China, or the PBOC, allowed the RMB to depreciate by approximately 2% against the U.S. dollar. Since then and until the end of 2016, the RMB has depreciated against the U.S. dollar by approximately 10%. It is difficult to predict how long such depreciation of RMB against the U.S. dollar may last and when and how the relationship between the RMB and the U.S. dollar may change again.

Substantially all of our net revenue and costs are denominated in Renminbi. We are a holding company and we rely on dividends paid by our operating subsidiaries in China for our cash needs. Any significant revaluation of the Renminbi may materially reduce any dividends payable on, our ADSs in U.S. dollars. To the extent that we need to convert U.S. dollars we received from our initial public offering into Renminbi for our operations, appreciation of the Renminbi against the U.S. dollar would have an adverse effect on the Renminbi amount we would receive. Conversely, if we decide to convert our Renminbi into U.S. dollars for the purpose of making payments for dividends on our Class A ordinary shares or ADSs or for other business purposes, appreciation of the U.S. dollar against the Renminbi would have a negative effect on the U.S. dollar amount.

The audit report included in this annual report on Form 20-F is prepared by an auditor who is not inspected by the Public Company Accounting Oversight Board and, as such, our investors are deprived of the benefits of such inspection.

Our independent registered public accounting firm that issues the audit report included elsewhere in this annual report on Form 20-F filed with the SEC, as auditors of companies that are traded publicly in the United States and a firm registered with the U.S. Public Company Accounting Oversight Board, or the PCAOB, is required by the laws of the United States to undergo regular inspections by the PCAOB to assess its compliance with the laws of the United States and professional standards. Because our auditors are located in the Peoples’ Republic of China, a jurisdiction where the PCAOB is currently unable to conduct inspections without the approval of the Chinese authorities, our auditors are not currently inspected by the PCAOB.

Inspections of other firms that the PCAOB has conducted outside China have identified deficiencies in those firms’ audit procedures and quality control procedures, which may be addressed as part of the inspection process to improve future audit quality. This lack of PCAOB inspections in China prevents the PCAOB from regularly evaluating our auditor’s audits and its quality control procedures. As a result, investors may be deprived of the benefits of PCAOB inspections.

The inability of the PCAOB to conduct inspections of auditors in China makes it more difficult to evaluate the effectiveness of our auditor’s audit procedures or quality control procedures as compared to auditors outside of China that are subject to PCAOB inspections. Investors may lose confidence in our reported financial information and procedures and the quality of our financial statements.

If additional remedial measures are imposed on the “big four” PRC-based accounting firms, including our independent registered public accounting firm, in administrative proceedings brought by the SEC alleging such firms’ failure to meet specific criteria set by the SEC with respect to requests for the production of documents, we could be unable to timely file future financial statements in compliance with the requirements of the Exchange Act.

Starting in 2011 the Chinese affiliates of the “big four” accounting firms, including our independent registered public accounting firm, were affected by a conflict between U.S. and Chinese law. Specifically, for certain U.S. listed companies operating and audited in mainland China, the SEC and the PCAOB sought to obtain from the Chinese accounting firms access to their audit work papers and related documents. The firms were, however, advised and directed that under Chinese law they could not respond directly to the U.S. regulators on those requests, and that requests by foreign regulators for access to such papers in China had to be channeled through the CSRC.

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In late 2012 this impasse led the SEC to commence administrative proceedings under Rule 102(e) of its Rules of Practice and also under the Sarbanes-Oxley Act of 2002 against the Chinese accounting firms, including our independent registered public accounting firm. In January 2014, the administrative law judge reached an initial decision to impose penalties on the firms including a temporary suspension of their right to practice before the SEC. The accounting firms filed a petition for review of the initial decision. On February 6, 2015, before a review by the commissioners of the SEC had taken place, the firms reached a settlement with the SEC. Under the settlement, the SEC accepts that future requests by the SEC for the production of documents will normally be made to the CSRC. The firms will receive matching Section 106 requests, and are required to abide by a detailed set of procedures with respect to such requests, which in substance require them to facilitate production via the CSRC. If they fail to meet specified criteria, the SEC retains authority to impose a variety of additional remedial measures on the firms depending on the nature of the failure. Remedies for any future noncompliance could include, as appropriate, an automatic six-month bar on a single firm’s performance of certain audit work, commencement of a new proceeding against a firm, or in extreme cases the resumption of the current proceeding against all four firms.

In the event that the SEC restarts the administrative proceedings, depending upon the final outcome, listed companies in the United States with major PRC operations may find it difficult or impossible to retain auditors in respect of their operations in the PRC, which could result in financial statements being determined to not be in compliance with the requirements of the Exchange Act, including possible delisting. Moreover, any negative news about any such future proceedings against these audit firms may cause investor uncertainty regarding China-based, United States-listed companies and the market price of our ADSs may be adversely affected.

If our independent registered public accounting firm were denied, even temporarily, the ability to practice before the SEC and we were unable to timely find another registered public accounting firm to audit and issue an opinion on our financial statements, our financial statements could be determined not to be in compliance with the requirements of the Exchange Act. Such a determination could ultimately lead to the delisting of our Class A ordinary shares from the NASDAQ or deregistration from the SEC, or both, which would substantially reduce or effectively terminate the trading of our ADSs in the United States.

Risks Related to Our ADSs

The trading price of our ADSs may be volatile, which could result in substantial losses to you.

The trading prices of our ADSs are likely to be volatile and could fluctuate widely due to factors beyond our control. This may happen because of broad market and industry factors, like the performance and fluctuation in the market prices or the underperformance or deteriorating financial results of other listed companies based in China. The securities of some of these companies have experienced significant volatility since their initial public offerings, including, in some cases, substantial price declines in the trading prices of their securities. The trading performances of other Chinese companies’ securities after their offerings, including Internet and e-commerce companies, may affect the attitudes of investors toward Chinese companies listed in the United States, which consequently may impact the trading performance of our ADSs, regardless of our actual operating performance. In addition, any negative news or perceptions about inadequate corporate governance practices or fraudulent accounting, corporate structure or matters of other Chinese companies may also negatively affect the attitudes of investors towards Chinese companies in general, including us, regardless of whether we have conducted any inappropriate activities. In addition, securities markets may from time to time experience significant price and volume fluctuations that are not related to our operating performance, such as the large decline in share prices in the United States, China and other jurisdictions in late 2008, early 2009, the second half of 2011 and in 2015, which may have a material and adverse effect on the trading price of our ADSs.

In addition to the above factors, the price and trading volume of our ADSs may be highly volatile due to multiple factors, including the following:

·                                 regulatory developments affecting us or our industry, customers or suppliers;

·                                 announcements of studies and reports relating to the quality of our service offerings or those of our competitors;

·                                 changes in the economic performance or market valuations of other data center services companies;

·                                 actual or anticipated fluctuations in our quarterly results of operations and changes or revisions of our expected results;

·                                 changes in financial estimates by securities research analysts;

·                                 conditions in the market for data center services;

·                                 announcements by us or our competitors of new product and service offerings, acquisitions, strategic relationships, joint ventures, capital raisings or capital commitments;

·                                 additions to or departures of our senior management;

·                                 fluctuations of exchange rates between the RMB and the U.S. dollar;

·                                 release or expiry of lock-up or other transfer restrictions on our outstanding shares or ADSs; and

·                                 sales or perceived potential sales of additional Class A ordinary shares or ADSs.

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If securities or industry analysts do not publish research or publish inaccurate or unfavorable research about our business, the market price for our ADSs and trading volume could decline.

The trading market for our ADSs depends in part on the research and reports that securities or industry analysts publish about us or our business. If research analysts do not establish and maintain adequate research coverage or if one or more of the analysts who covers us downgrades our ADSs or publishes inaccurate or unfavorable research about our business, the market price for our ADSs would likely decline. If one or more of these analysts cease coverage of our company or fail to publish reports on us regularly, we could lose visibility in the financial markets, which, in turn, could cause the market price or trading volume for our ADSs to decline.

Techniques employed by short sellers may drive down the market price of our ADSs.

Short selling is the practice of selling securities that the seller does not own but rather has borrowed from a third party with the intention of buying identical securities back at a later date to return to the lender. The short seller hopes to profit from a decline in the value of the securities between the sale of the borrowed securities and the purchase of the replacement shares, as the short seller expects to pay less in that purchase than it received in the sale. As it is in the short seller’s best interests for the price of the stock to decline, many short sellers publish, or arrange for the publication of, negative opinions regarding the relevant issuer and its business prospects in order to create negative market momentum and generate profits for themselves after selling a stock short. These short attacks have, in the past, led to selling of shares in the market.

Public companies that have substantially all of their operations in China have been the subject of short selling. Much of the scrutiny and negative publicity has centered on allegations of a lack of effective internal control over financial reporting resulting in financial and accounting irregularities and mistakes, inadequate corporate governance policies or a lack of adherence thereto and, in many cases, allegations of fraud. As a result, many of these companies are now conducting internal and external investigations into the allegations and, in the interim, are subject to shareholder lawsuits and/or SEC enforcement actions.

It is not clear what effect such negative publicity could have on us. If we were to become the subject of any unfavorable allegations, whether such allegations are proven to be true or untrue, we could have to expend a significant amount of resources to investigate such allegations and/or defend ourselves. While we would strongly defend against any such short seller attacks, we may be constrained in the manner in which it can proceed against the relevant short seller by principles of freedom of speech, applicable state law or issues of commercial confidentiality. Such a situation could be costly and time-consuming, and could distract our management from growing our business. Even if such allegations are ultimately proven to be groundless, allegations against us could severely impact its business operations and stockholders equity, and any investment in our ADSs could be greatly reduced or rendered worthless.

Because we do not expect to pay dividends in the foreseeable future, you must rely on price appreciation of our ADSs for return on your investment.

We currently intend to retain most, if not all, of our available funds and any future earnings to fund the development and growth of our business. As a result, we do not expect to pay any cash dividends in the foreseeable future. See “Item 8. Financial Information—A. Consolidated Statements and Other Financial Information—Dividend Policy and Distributions.” Therefore, you should not rely on an investment in our ADSs as a source for any future dividend income.

Our board of directors has complete discretion as to whether to distribute dividends. Even if our board of directors decides to declare and pay dividends, the timing, amount and form of future dividends, if any, will depend on, among other things, our future results of operations and cash flow, our capital requirements and surplus, the amount of distributions, if any, received by us from our subsidiaries, our financial condition, contractual restrictions and other factors deemed relevant by our board of directors. Accordingly, the return on your investment in our ADSs will likely depend entirely upon any future price appreciation of our ADSs. There is no guarantee that our ADSs will appreciate in value or even maintain the price at which you purchased the ADSs. You may not realize a return on your investment in our ADSs and you may even lose your entire investment in our ADSs.

Our ADSs are subject to substantial dilution upon the conversion of our convertible bonds held by certain holders.

We have outstanding convertible bonds in the aggregate principal amount of US$150.0 million due December 30, 2019. In addition, we may require the conversion of the bonds assuming the average per-Class A-ordinary-share-equivalent closing trading price of our ADSs in any period of ten (10) consecutive trading days is at least 125% of US$1.675262 and we exercise our right to cause STT GDC and Ping An Insurance to convert the bonds. If the bondholders elect to convert, or we cause the bondholders to convert, their bonds (including interest accrued as of December 31, 2016) under the conditions described above, at least 93,977,837 Class A ordinary shares will be issued. The conversion of the bonds would result in substantial dilution of our ADSs and Class A ordinary shares and a decline in their market price.

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Substantial future sales or perceived potential sales of our ADSs in the public market could cause the price of our ADSs to decline.

Sales of our ADSs in the public market, or the perception that these sales could occur, could cause the market price of our ADSs to decline significantly. We currently have 760,009,043 ordinary shares outstanding, comprising 692,418,707 Class A ordinary shares and 67,590,336 Class B ordinary shares. All ADSs representing our Class A ordinary shares sold in our initial public offering are freely transferable by persons other than our “affiliates” without restriction or additional registration under the U.S. Securities Act of 1933, as amended, or the Securities Act. All of the other outstanding Class A ordinary shares are available for sale, upon the expiration of the lock-up periods described elsewhere in this annual report on Form 20-F beginning from May 2, 2017 (if applicable to such holder), subject to volume and other restrictions as applicable under Rules 144 and 701 under the Securities Act. Any or all of these ordinary shares may be released prior to the expiration of the applicable lock-up period at the discretion of the designated representatives. To the extent shares are released before the expiration of the applicable lock-up period and sold into the market, the market price of our ADSs could decline significantly.

Certain major holders of our Class A ordinary shares have the right to cause us to register under the Securities Act the sale of their shares, subject to the applicable lock-up periods in connection with our initial public offering. Registration of these shares under the Securities Act would result in ADSs representing these shares becoming freely tradable without restriction under the Securities Act immediately upon the effectiveness of the registration. Sales of these registered shares in the form of ADSs in the public market could cause the price of our ADSs to decline significantly.

We have adopted share incentive plans, under which we have the discretion to grant a broad range of equity-based awards to eligible participants. See “Item 6. Directors, Senior Management and Employees—B. Compensation—Share Incentive Plans.” We intend to register all ordinary shares that we may issue under these share incentive plans. Once we register these ordinary shares, they can be freely sold in the public market in the form of ADSs upon issuance, subject to volume limitations applicable to affiliates and the lock-up agreements described in the “Underwriting” section of this annual report on Form 20-F. If a large number of our ordinary shares or securities convertible into our ordinary shares are sold in the public market in the form of ADSs after they become eligible for sale, the sales could reduce the trading price of our ADSs and impede our ability to raise future capital. In addition, any ordinary shares that we issue under our share incentive plans would dilute the percentage ownership held by the investors who purchased ADSs in our initial public offering.

You, as holders of ADSs, may have fewer rights than holders of our ordinary shares and must act through the depositary to exercise those rights.

Holders of ADSs do not have the same rights of our shareholders and may only exercise the voting rights with respect to the underlying Class A ordinary shares in accordance with the provisions of the deposit agreement. Under our amended articles of association, the minimum notice period required to convene a general meeting will be 10 days. When a general meeting is convened, you may not receive sufficient notice of a shareholders’ meeting to permit you to withdraw your Class A ordinary shares to allow you to cast your vote with respect to any specific matter. In addition, the depositary and its agents may not be able to send voting instructions to you or carry out your voting instructions in a timely manner. We will make all reasonable efforts to cause the depositary to extend voting rights to you in a timely manner, but there can be no assurance that you will receive the voting materials in time to ensure that you can instruct the depositary to vote your ADSs. Furthermore, the depositary and its agents will not be responsible for any failure to carry out any instructions to vote, for the manner in which any vote is cast or for the effect of any such vote. As a result, you may not be able to exercise your right to vote and you may lack recourse if your ADSs are not voted as you requested. In addition, in your capacity as an ADS holder, you will not be able to call a shareholders’ meeting.

Your right to participate in any future rights offerings may be limited, which may cause dilution to your holdings.

We may from time to time distribute rights to our shareholders, including rights to acquire our securities. However, we cannot make rights available to you in the United States unless we register both the rights and the securities to which the rights relate under the Securities Act or an exemption from the registration requirements is available. Under the deposit agreement, the depositary will not make rights available to you unless both the rights and the underlying securities to be distributed to ADS holders are either registered under the Securities Act or exempt from registration under the Securities Act. We are under no obligation to file a registration statement with respect to any such rights or securities or to endeavor to cause such a registration statement to be declared effective and we may not be able to establish a necessary exemption from registration under the Securities Act. Accordingly, you may be unable to participate in our rights offerings and may experience dilution in your holdings.

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You may not receive cash dividends if the depositary decides it is impractical to make them available to you.

The depositary will pay cash dividends on the ADSs only to the extent that we decide to distribute dividends on our ordinary shares or other deposited securities, and we do not have any present plan to pay any cash dividends in the foreseeable future other than the preference dividends to be paid to holders of our preferred shares. See “Item 8. Financial Information—A. Consolidated Statements and Other Financial Information—Dividend Policy and Distributions.” To the extent that there is a distribution, the depositary of our ADSs has agreed to pay to you the cash dividends or other distributions it or the custodian receives on our ordinary shares or other deposited securities after deducting its fees and expenses. You will receive these distributions in proportion to the number of Class A ordinary shares your ADSs represent. However, the depositary may, at its discretion, decide that it is inequitable or impractical to make a distribution available to any holders of ADSs. For example, the depositary may determine that it is not practicable to distribute certain property through the mail, or that the value of certain distributions may be less than the cost of mailing them. In these cases, the depositary may decide not to distribute such property to you.

You may be subject to limitations on transfer of your ADSs.

Your ADSs are transferable on the books of the depositary. However, the depositary may close its transfer books at any time or from time to time when it deems expedient in connection with the performance of its duties. In addition, the depositary may refuse to deliver, transfer or register transfers of ADSs generally when our books or the books of the depositary are closed, or at any time if we or the depositary deems it advisable to do so because of any requirement of law or of any government or governmental body, or under any provision of the deposit agreement, or for any other reason.

Certain judgments obtained against us by our shareholders may not be enforceable.

We are a company incorporated under the laws of the Cayman Islands. We conduct our operations outside the United States and substantially all of our assets are located outside the United States. In addition, all of our directors and executive officers and the experts named in this annual report on Form 20-F reside outside the United States, and most of their assets are located outside the United States. As a result, it may be difficult or impossible for you to bring an action against us or against them in the United States in the event that you believe that your rights have been infringed under the U.S. federal securities laws or otherwise. Even if you are successful in bringing an action of this kind, the laws of the Cayman Islands, the PRC or other relevant jurisdiction may render you unable to enforce a judgment against our assets or the assets of our directors and officers.

You may face difficulties in protecting your interests, and your ability to protect your rights through U.S. courts may be limited, because we are incorporated under Cayman Islands law.

We are an exempted company limited by shares incorporated under the laws of the Cayman Islands. Our corporate affairs are governed by our memorandum and articles of association, the Companies Law (2013 Revision) of the Cayman Islands and the common law of the Cayman Islands. The rights of shareholders to take action against the directors, actions by minority shareholders and the fiduciary duties of our directors to us under Cayman Islands law are to a large extent governed by the common law of the Cayman Islands. The common law of the Cayman Islands is derived in part from comparatively limited judicial precedent in the Cayman Islands as well as from the common law of England, the decisions of whose courts are of persuasive authority, but are not binding, on a court in the Cayman Islands. The rights of our shareholders and the fiduciary duties of our directors under Cayman Islands law are not as clearly established as they would be under statutes or judicial precedent in some jurisdictions in the United States. In particular, the Cayman Islands has a less developed body of securities laws than the United States. Some U.S. states, such as Delaware, have more fully developed and judicially interpreted bodies of corporate law than the Cayman Islands. In addition, Cayman Islands companies may not have standing to initiate a shareholder derivative action in a federal court of the United States.

Shareholders of Cayman Islands exempted companies like us have no general rights under Cayman Islands law to inspect corporate records or to obtain copies of lists of shareholders of these companies. Our directors will have discretion under the post-offering memorandum and articles of association we expect to adopt, to determine whether or not, and under what conditions, our corporate records may be inspected by our shareholders, but are not obliged to make them available to our shareholders. This may make it more difficult for you to obtain the information needed to establish any facts necessary for a shareholder resolution or to solicit proxies from other shareholders in connection with a proxy contest.

As a result of all of the above, our public shareholders may have more difficulty in protecting their interests in the face of actions taken by management, members of the board of directors or controlling shareholders than they would as public shareholders of a company incorporated in the United States.

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Our articles of association contain anti-takeover provisions that could discourage a third party from acquiring us, which could limit our shareholders’ opportunity to sell their shares, including Class A ordinary shares represented by our ADSs, at a premium.

We have adopted amended and restated articles of association that contain provisions to limit the ability of others to acquire control of our company or cause us to engage in change-of-control transactions. These provisions could have the effect of depriving our shareholders of an opportunity to sell their shares at a premium over prevailing market prices by discouraging third parties from seeking to obtain control of our company in a tender offer or similar transaction. For example, our board of directors has the authority, without further action by our shareholders, to issue preferred shares in one or more series and to fix their designations, powers, preferences, privileges, and relative participating, optional or special rights and the qualifications, limitations or restrictions, including dividend rights, conversion rights, voting rights, terms of redemption and liquidation preferences, any or all of which may be greater than the rights associated with our ordinary shares, in the form of ADS or otherwise. Preferred shares could be issued quickly with terms calculated to delay or prevent a change in control of our company or make removal of management more difficult. If our board of directors decides to issue preferred shares, the price of our ADSs may fall and the voting and other rights of the holders of our ordinary shares and ADSs may be materially and adversely affected. In addition, our amended articles of association contain other provisions that could limit the ability of third parties to acquire control of our company or cause us to engage in a transaction resulting in a change of control, as defined in our amended articles of association, including: a provision that entitles Class B ordinary shares to 20 votes per share at general meetings of our shareholders with respect to the election of a simple majority of our directors; a provision that entitles Class B shareholders to nominate one less than a simple majority, or five, of our directors; a provision that allows one of our principal shareholders to appoint up to three directors to our board of directors for so long as they beneficially own certain percentages of our issued share capital; and a classified board with staggered terms for our directors, which will prevent the replacement of a majority of directors at one time.

These provisions could have the effect of depriving our shareholders of an opportunity to sell their shares at a premium over prevailing market prices by discouraging third parties from seeking to obtain control of our company in a tender offer or similar transaction.

We are an emerging growth company within the meaning of the Securities Act and may take advantage of certain reduced reporting requirements.

We are an “emerging growth company,” as defined in the JOBS Act, and we may take advantage of certain exemptions from various requirements applicable to other public companies that are not emerging growth companies including, most significantly, not being required to comply with the auditor attestation requirements of Section 404 of Sarbanes-Oxley Act of 2002 for so long as we are an emerging growth company. As a result, if we elect not to comply with such auditor attestation requirements, our investors will not have access to certain information they may deem important.

The JOBS Act also provides that an emerging growth company does not need to comply with any new or revised financial accounting standards until such date that a private company is otherwise required to comply with such new or revised accounting standards. However, we have elected to “opt out” of this provision and, as a result, we will comply with new or revised accounting standards as required when they are adopted for public companies. This decision to opt out of the extended transition period under the JOBS Act is irrevocable.

We are a foreign private issuer within the meaning of the rules under the Exchange Act, and as such we are exempt from certain provisions applicable to U.S. domestic public companies.

Because we qualify as a foreign private issuer under the Exchange Act, we are exempt from certain provisions of the securities rules and regulations in the United States that are applicable to U.S. domestic issuers, including:

·                                 the rules under the Exchange Act requiring the filing with the SEC of quarterly reports on Form 10-Q or current reports on Form 8-K;

·                                 the sections of the Exchange Act regulating the solicitation of proxies, consents, or authorizations in respect of a security registered under the Exchange Act;

·                                 the sections of the Exchange Act requiring insiders to file public reports of their stock ownership and trading activities and liability for insiders who profit from trades made in a short period of time; and

·                                 the selective disclosure rules by issuers of material nonpublic information under Regulation FD.

We are required to file an annual report on Form 20-F within four months of the end of each fiscal year. In addition, we intend to publish our results on a quarterly basis as press releases, distributed pursuant to the rules and regulations of the NASDAQ. Press releases relating to financial results and material events will also be furnished to the SEC on Form 6-K. However, the information we are required to file with or furnish to the SEC will be less extensive and less timely compared to that required to be filed with the SEC by U.S. domestic issuers. As a result, you may not be afforded the same protections or information that would be made available to you were you investing in a U.S. domestic issuer.

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As a company incorporated in the Cayman Islands, we are permitted to adopt certain home country practices in relation to corporate governance matters that differ significantly from the NASDAQ corporate governance listing standards; these practices may afford less protection to shareholders than they would enjoy if we complied fully with the NASDAQ corporate governance listing standards.

As a Cayman Islands company listed on the NASDAQ Global Market, we are subject to the NASDAQ corporate governance listing standards. However, NASDAQ Stock Market Rules permit a foreign private issuer like us to follow the corporate governance practices of its home country. Certain corporate governance practices in the Cayman Islands, which is our home country, may differ significantly from the NASDAQ corporate governance listing standards.

For instance, we are not required to:

·                                 have a majority of the board be independent (although all of the members of the audit committee must be independent under the Exchange Act);

·                                 have a compensation committee or a nominations or corporate governance committee consisting entirely of independent directors; or

·                                 have regularly scheduled executive sessions with only independent directors each year.

We have relied on and intend to continue to rely on some of these exemptions. As a result, you may not be provided with the benefits of certain corporate governance requirements of the NASDAQ.

We may become a passive foreign investment company, or PFIC, which could result in adverse United States tax consequences to United States investors.

Based on the past and projected composition of our income and assets, and the valuation of our assets, including goodwill, we do not believe we were a PFIC for our most recent taxable year and we do not expect to become one in the future, although there can be no assurance in this regard. The determination of whether or not we are a PFIC is made on an annual basis and will depend on the composition of our income and assets from time to time. Specifically, for any taxable year, we will be classified as a PFIC for United States federal income tax purposes if either (i) 75% or more of our gross income in that taxable year is passive income or (ii) the average percentage of our assets (which includes cash) by value in that taxable year which produce, or are held for the production of, passive income is at least 50%. The calculation of the value of our assets will be based, in part, on the quarterly market value of our ADSs, which is subject to change. See “Item 10. Additional Information—E. Taxation—Material United States Federal Income Tax Considerations—Passive Foreign Investment Company.”

In addition, there is uncertainty as to the treatment of our corporate structure and ownership of our consolidated VIEs for United States federal income tax purposes. For United States federal income tax purposes, we consider ourselves to own the stock of our consolidated VIEs. If it is determined, contrary to our view, that we do not own the stock of our consolidated VIEs for United States federal income tax purposes (for instance, because the relevant PRC authorities do not respect these arrangements), we may be treated as a PFIC.

If we are a PFIC for any taxable year during which you hold our ADSs or Class A ordinary shares, our PFIC status could result in adverse United States federal income tax consequences to you if you are a United States Holder, as defined under “Taxation—Material United States Federal Income Tax Considerations.” For example, if we are or become a PFIC, you may become subject to increased tax liabilities under United States federal income tax laws and regulations, and will become subject to burdensome reporting requirements. See “Item 10. Additional Information—E. Taxation—Material United States Federal Income Tax Considerations—Passive Foreign Investment Company.” There can be no assurance that we will not be a PFIC for 2017 or any future taxable year. Simpson Thacher & Bartlett LLP, our United States counsel, does not express any opinion about our status as a PFIC in any taxable year.

We will continue to incur increased costs as a result of being a public company, particularly after we cease to qualify as an “emerging growth company.”

Since the completion of our initial public offering, we have been a public company and expect to incur significant legal, accounting and other expenses that we did not incur as a private company. The Sarbanes-Oxley Act of 2002, as well as rules subsequently implemented by the SEC and the NASDAQ, impose various requirements on the corporate governance practices of public companies. As a company with less than US$1.0 billion in net revenue for our last fiscal year, we qualify as an “emerging growth company” pursuant to the JOBS Act. An emerging growth company may take advantage of specified reduced reporting and other requirements that are otherwise applicable generally to public companies. These provisions include exemption from the auditor attestation requirement under Section 404 of the Sarbanes-Oxley Act of 2002 in the assessment of the emerging growth company’s internal control over financial reporting and permission to delay adopting new or revised accounting standards until such time as those standards apply to private companies. However, we have elected to “opt out” of the provision that allow us to delay adopting new or revised accounting standards and, as a result, we will comply with new or revised accounting standards as required when they are adopted for public companies. This decision to opt out of the extended transition period under the JOBS Act is irrevocable.

We expect these rules and regulations to increase our legal and financial compliance costs and to make some corporate activities more time-consuming and costly. After we are no longer an “emerging growth company,” we expect to incur significant expenses and devote substantial management effort toward ensuring compliance with the requirements of Section 404 of the Sarbanes-Oxley Act of 2002 and the other rules and regulations of the SEC. For example, as a public company, we will need to increase the number of independent directors and adopt policies regarding internal controls and disclosure controls and procedures. We also expect that operating as a public company will make it more difficult and more expensive for us to obtain director and officer liability insurance, and we may be required to accept reduced policy limits and coverage or incur substantially higher costs to obtain the same or similar coverage. In addition, we will incur additional costs associated with our public company reporting requirements. It may also be more difficult for us to find qualified persons to serve on our board of directors or as executive officers. We are currently evaluating and monitoring developments with respect to these rules and regulations, and we cannot predict or estimate with any degree of certainty the amount of additional costs we may incur or the timing of such costs.

In the past, shareholders of a public company often brought securities class action suits against the company following periods of instability in the market price of that company’s securities. If we were involved in a class action suit, it could divert a significant amount of our management’s attention and other resources from our business and operations, which could harm our results of operations and require us to incur significant expenses to defend the suit. Any such class action suit, whether or not successful, could harm our reputation and restrict our ability to raise capital in the future. In addition, if a claim is successfully made against us, we may be required to pay significant damages, which could have a material adverse effect on our financial condition and results of operations.

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ITEM 4.                INFORMATION ON THE COMPANY

A.            History and Development of the Company

We are an exempted company and were incorporated in the Cayman Islands in 2006. We own 100% of the shares in EDC Holding, an exempted company also incorporated in the Cayman Islands, through which we indirectly hold 100% of the equity interests in holding companies in Hong Kong, many of which own our data centers through one or more data center companies. Through EDC Holding we also indirectly hold 100% of the equity interests in GDS Management Company.

Due to PRC regulations that limit foreign equity ownership of entities providing VATS at 50%, and the inclusion of IDC services within the scope of VATS, we conduct a substantial part of our operations in China through contractual arrangements among GDS Management Company, our data center companies and two VIEs that hold licenses required to operate our business, GDS Beijing and GDS Shanghai, and their shareholders. As a result of these contractual arrangements, we control GDS Shanghai, GDS Beijing and its subsidiaries, including EDC Shanghai Waigaoqiao, GDS Suzhou, Kunshan Wanyu, Guangzhou Weiteng, Beijing Wanguo Yixin Science & Technology Co., Ltd., or Beijing Yixin, and Zhangbei Yuntong Data Network Science & Technology Co., Ltd., or Zhangbei Yuntong, and have consolidated the financial information of these VIEs in our consolidated financial statements in accordance with U.S. GAAP. MIIT has approved GDS Beijing’s application to expand its IDC license coverage to include GDS Suzhou and Kunshan Wanyu so that they are now authorized to provide IDC services. See “—2016 VIE Restructuring.” As part of the VIE restructuring, we have converted and changed the shareholding of EDC Shanghai Waigaoqiao in the same way as GDS Suzhou, and MIIT has approved GDS Beijing’s application to expand its IDC license coverage to include EDC Shanghai Waigaoqiao so that EDC Shanghai Waigaoqiao is also authorized to provide IDC services. In addition, with regard to the other WFOEs that have not contributed substantial revenue, we are deliberating different measures to ensure that any business activity that may have to be conducted by IDC license holders will be conducted by our IDC license holders, which are consolidated VIEs. See “Item 4. Information on the Company—B. Business Overview—Regulatory Matters—Regulations Related to Value-Added Telecommunications Business” for additional details.

Historically, in 2014 and 2015 prior to our VIE restructuring, our consolidated VIEs, GDS Beijing and GDS Shanghai, contributed 2.0% and 4.3% of our total net revenue, and we conducted the substantial majority of our operations through GDS Suzhou when it was a WFOE under PRC law. See “—2016 VIE Restructuring” and “Item 3. Key Information—D. Risk Factors—Risks Related to Doing Business in the People’s Republic of China—We may be regarded as existing, in a state of historical non-compliance with the regulations on foreign investment restriction and value added telecommunications services, for which penalties may be assessed that may materially and adversely affect our business, financial condition, growth strategies and prospects.” As a result of our internal restructuring, GDS Suzhou became a domestic-owned enterprise under PRC law and an operating subsidiary of GDS Beijing. GDS Suzhou has received approval from the MIIT for providing IDC services with authorization from GDS Beijing under its IDC license. As of the date of this annual report on Form 20-F, we conducted the substantial majority of our operations in China through GDS Beijing and its subsidiaries. Accordingly, going forward we expect that substantially all of our net revenue will be generated through our consolidated VIEs, GDS Shanghai, GDS Beijing and its subsidiaries.

In 2003, some of our principal shareholders, including our founder, Mr. William Wei Huang, established Global Data Solutions Limited, a Cayman Islands exempted company. In 2001, FSL acquired GDS Suzhou, which was established by third parties in 2000. In 2006, GDS Beijing and GDS Holdings were established under the laws of the PRC and Cayman Islands, respectively. In 2009, we underwent restructuring with respect to GDS Beijing, which became a consolidated VIE. In 2010, GDS Suzhou was relocated from Shenzhen to Suzhou. In 2014, GDS Shanghai, which was established in 2011, also became a consolidated VIE.

Acquisition of EDC Holding

EDC Holding was established in 2008 and is principally engaged in data center infrastructure services in the PRC. We held approximately 7% equity interests in EDC Holding on a fully diluted basis prior to the acquisition. In June 2014, in an effort to enhance our service offerings and to increase business synergy, we acquired all the equity interests in EDC Holding (preferred and ordinary shares) we did not already own by issuing 199,163,164 shares to the then-shareholders of EDC Holding.

We were identified as the accounting acquirer for the following reasons: (i) we were the entity that issued the new equity interests; (ii) a shareholder of ours held the largest minority voting interest in the combined entity; (iii) our shareholders have the ability to elect, appoint or remove a majority of the members of the governing body of the combined entity; (iv) our management dominates the management of the combined entity after the acquisition; and (v) we have a significantly larger relative size in terms of net revenue and operations than that of EDC Holding.

Acquisition of Guangzhou Weiteng

In May 2016, we, through GDS Beijing, acquired all the equity interest in Guangzhou Weiteng from a third party for an aggregate purchase price of RMB129.5 million (US$18.7 million), subject to adjustment, if any, pursuant to the terms and conditions of the equity purchase agreement. Guangzhou Weiteng is a limited liability company organized and existing under the PRC law, operates a data center in Guangzhou, and has its own IDC license.

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2016 VIE Restructuring

The laws and regulations regarding VATS licenses in the PRC, especially those in relation to IDC services, are relatively new and are still evolving, and their interpretation and enforcement involve significant uncertainties. PRC laws and regulations restrict foreign equity ownership of entities that hold VATS licenses, and such licenses have been denied to entities whose foreign equity ownership exceeds permitted thresholds.

Before 2013, the definition of IDC service did not offer clear guidance as to whether our business at the time fell within its scope. Between 2010 and 2012, in order to comply with then-effective laws and administrative practice, we consulted relevant officials of local branches of the MIIT. Based on such consultations, we understood that we were not required to hold an IDC license in order for us to operate our business lawfully, and we entered into most of our customer contracts through GDS Suzhou, a WFOE, because we believed that restrictions on foreign investment in IDC services did not apply in our case.

On May 6, 2013, the Q&A was published on the website of China Academy of Telecom Research, an affiliate of the MIIT. The Q&A was issued together with the draft revised Telecom Catalogue of the 2013 version, which although not an official law or regulation, reflected the evolving attitude of the MIIT towards the legal requirements as to applications for VATS licenses, especially with regards to IDC services. A national consulting body and certain Designated Numbers are provided in the Q&A to answer any questions arising from the application of IDC licenses. Since then, even though the definition of IDC services under the Q&A is identical to that under the Telecom Catalogue, whether a business model should be deemed to be an IDC service is subject to the unified clarifications under the Q&A and replies obtained from such Designated Numbers, rather than different replies which may be obtained from different officials from the MIIT or its local branches. The draft revised Telecom Catalogue did not come into effect until March 2016, when it was further revised to adapt to developments in the telecommunications industry. During this period, we closely followed legislative developments and conducted feasibility studies for restructuring our business. Based on the Q&A and our consultation with both the Designated Numbers and MIIT officials in 2014 and 2015, most of our services would be deemed IDC services, and that such services could only be provided by a holder of an IDC license, or a subsidiary of such holder, with the authorization of the holder.

GDS Beijing obtained a cross-regional IDC license in November 2013, the scope of which now includes Shanghai, Suzhou, Beijing, Shenzhen, Chengdu and Guangzhou. In order to adapt to the new regulatory requirements and address pre-existing customer contracts, we converted GDS Suzhou into a domestic company wholly owned by GDS Beijing by way of transferring all of the equity interests in GDS Suzhou from FSL to GDS Beijing in order to enable GDS Suzhou to engage in the provision of IDC services with the authorization of GDS Beijing, and under the auspices of an IDC license held by GDS Beijing. As part of the VIE restructuring, we have converted and changed the shareholding of EDC Shanghai Waigaoqiao in the same way as GDS Suzhou, and MIIT has approved GDS Beijing’s application to expand its IDC license coverage to include EDC Shanghai Waigaoqiao so that EDC Shanghai Waigaoqiao is also authorized to provide IDC services. In addition, with regard to the other WFOEs that have not contributed substantial revenue, we are considering measures to ensure that any services that may have to be provided by IDC license holders will be conducted by our IDC license holders, which are our consolidated VIEs. See “Item 4. Information on the Company—B. Business Overview—Regulatory Matters—Regulations Related to Value-Added Telecommunications Business” for additional details.

On November 2, 2016, our ADSs began trading on the NASDAQ Global Market under the ticker symbol “GDS.” We completed our initial public offering on November 7, 2016 and subsequently the underwriters partially exercised their over-allotment option on December 6, 2016. We issued and sold a total of 20,070,735 ADSs in these transactions, representing 160,565,880 Class A ordinary shares in the form of ADSs, raising US$186.7 million in proceeds to us before expenses but after underwriting discounts and commissions.

Our principal executive offices are located at 2/F, Tower 2, Youyou Century Place, 428 South Yanggao Road, Pudong, Shanghai 200127, People’s Republic of China. Our telephone number at this address is +86-21-2033-0303. Our registered office in the Cayman Islands is located at the offices of Codan Trust Company (Cayman) Limited, Cricket Square, Hutchins Drive, P.O. Box 2681, Grand Cayman, KY1-1111, Cayman Islands. Our agent for service of process in the United States is Law Debenture Corporate Service Inc. located at 400 Madison Avenue, 4th floor, New York, NY 10017.

B.            Business Overview

We are a leading developer and operator of high-performance data centers in China. Our facilities are strategically located in China’s primary economic hubs where demand for high-performance data center services is concentrated. Our data centers have large net floor area, high power capacity, density and efficiency, and multiple redundancy across all critical systems. We are carrier and cloud neutral, which enables our customers to connect to all major PRC telecommunications carriers, and to access a number of the largest PRC cloud service providers, whom we host in our facilities. We offer colocation and managed services, including a unique and innovative managed cloud value proposition. We have a 16-year track record of service delivery, successfully fulfilling the requirements of some of the largest and most demanding customers for outsourced data center services in China. Our base of approximately 400 customers consists predominantly of large Internet companies, financial institutions, telecommunications and IT service providers, and large domestic private sector and multinational corporations. As of December 31, 2016, we had an aggregate net floor area of 60,982 sqm in service, 89.0% of which was committed, and an aggregate net floor area of 25,055 sqm under construction.

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The market for high-performance data center services in China is experiencing strong growth. According to 451 Research, the market is expected to increase from US$1.5 billion in 2015 to US$2.4 billion in 2018, representing a compound annual growth rate, or CAGR, of 16.6%. Over the same period, the high-performance carrier-neutral data center services market in China is expected to grow with a higher CAGR of 20.5%. Demand is driven by the confluence of several secular economic and industry trends, including: rapid growth of the Internet, e-commerce and big data; rising adoption of cloud computing and server virtualization, which requires data centers with higher power capacity, density and efficiency; increasing criticality of information technology and data in the enterprise environment which requires data centers with higher reliability; and growing reliance by enterprises on outsourcing as a solution to the increasing complexity and cost of managing mission-critical IT infrastructure. We believe that, as a result of this strong demand and the challenges of sourcing, developing and operating new facilities that meet the required standard, there is a relative scarcity of high-performance data center capacity in China.

Our portfolio of data centers and secured expansion capacity are strategically located to address this growing demand. We operate our data centers to service our customers predominantly in Shanghai, Beijing, Shenzhen, Guangzhou and Chengdu, the primary financial, commercial, industrial and communications hubs in each region of China. We have also established a presence in Hong Kong which we believe is another important market for our customers. Our data centers are located in close proximity to the corporate headquarters and key operation centers of many large enterprises, providing convenient access for our customers. Furthermore, the extensive multi-carrier telecommunications networks in these markets enable our customers to enhance the performance and lower the cost of connectivity to our facilities.

Our data centers are large-scale, highly reliable and highly efficient facilities that provide a flexible, modular and secure operating environment in which our customers can house, power and cool the computer systems and networking equipment that support their mission-critical IT infrastructure. We install large power capacity and optimize power usage efficiency, which enables our customers to deploy their IT infrastructure more efficiently and reduce their operating and capital costs. As a result of our advanced data center design, high technical specifications and robust operating procedures, we are able to make service level commitments related to service availability and other key metrics that meet our customers’ required standards.

We currently serve approximately 400 customers, including large Internet companies, a diverse community of approximately 230 financial institutions, telecommunications and IT service providers and large domestic private sector and multinational corporations, many of which are leaders in their respective industries. Within our customer base, we host a number of major cloud service providers, including Aliyun, the cloud computing unit of Alibaba, which are present in several of our data centers. Contracts with our large Internet customers have terms of three to eight years, while contracts with our enterprise customers typically have terms of one to five years.

Capturing demand from cloud adoption in China is an important part of our business, and we believe it will remain central to our growth strategy going forward. During the past three years, cloud service providers have grown to account for nearly 45% of our total area committed as of December 31, 2016. Cloud service providers are driving increased global demand for data center capacity, and we believe that leading cloud service providers represent the majority of such new demand in China. Our total area committed increased from 35,918 sqm as of December 31, 2015 to 61,043 sqm as of December 31, 2016, representing an increase of 70.0%. This sales increase was driven primarily by increased cloud adoption in China and higher demand from cloud service providers, as well as new commitments from Internet and financial service institution customers. As we strengthen partnerships with cloud service providers and supply data center capacity that meets their needs, we believe that our service offerings will also be more attractive to enterprise customers.

As of December 31, 2016, we operated ten self-developed data centers with an aggregate net floor area of 51,888 sqm in service. We also operated capacity at over ten third-party data centers with an aggregate net floor area of 9,094 sqm in service, which we lease on a wholesale basis and use to provide colocation and managed services to our customers. As of the same date, we had a further three new self-developed data centers, one phase of an existing data center and a third-party data center, which collectively have an aggregate net floor area of 25,055 sqm, under construction. In addition, we had an estimated aggregate developable net floor area of approximately 19,000 sqm held for future development and had entered into a memorandum of understanding for a lease of three data center shell buildings in the Shanghai Waigaoqiao Free Trade Zone that we expect to provide us with additional net floor area of approximately 30,000 sqm. Our net revenue and results of operations are largely determined by the degree to which data center space is committed or pre-committed as well as its utilization. We had commitment rates of 76.3%, 87.5% and 89.0% as of December 31, 2014 and 2015 and 2016, respectively. We had utilization rates of 57.7%, 59.1% and 60.8% as of December 31, 2014 and 2015 and 2016, respectively. The difference between commitment rate and utilization rate is primarily attributable to customers who have entered into agreements but have not yet started to use revenue generating services.

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Our net revenue grew from RMB468.3 million in 2014 to RMB703.6 million in 2015, representing an increase of 50.2%, and increased to RMB1,056.0 million (US$152.1 million) in 2016, representing an increase of 50.1%. Our adjusted EBITDA increased from RMB38.0 million in 2014 to RMB164.7 million in 2015, and increased to RMB270.5 million (US$39.0 million) in 2016. Our net loss decreased from RMB130.0 million in 2014 to RMB98.6 million in 2015, and increased to RMB276.4 million (US$39.8 million) in 2016. As of December 31, 2015 and 2016, our accumulated deficit was RMB582.3 million and RMB858.7 million (US$123.7 million), respectively.

Our Business Model and the Data Center Lifecycle

Our core business operations entail the planning and sourcing of new data center sites, developing such sites, securing customer commitments, providing our colocation services and managed services to customers, and maintaining high levels of service and customer satisfaction to develop and maintain long-term relationships with our customers. We focus on developing and operating what we refer to as high-performance data centers. These are data centers that feature large net floor area, high power capacity, density, and efficiency, and multiple redundancy across all critical systems.

Our strong customer and industry relationships afford us insight into the size, timing, and location of future demand which is reflected in our data center resource development plan. We source new data center resources by: (1) acquiring or leasing property which we develop for use as data center facilities, whether through constructing on greenfield sites or converting existing industrial buildings; (2) leasing existing data center capacity from third-party wholesale providers; and, (3) acquiring high performance data centers from other companies. Regardless of the source of our data center resource, we ensure that the facilities meet the high-performance standards required by our target customers. After procuring greenfield sites or existing buildings for conversion, we design and, through cooperation with developers, contractors, and suppliers, build out the facility to our advanced design and high technical specifications.

We take a modular approach to developing, commissioning, equipping and fitting out of facilities, so that we can cater to a range of customer requirements with regard to redundancy, power density, cooling, rack configuration and other technical specifications. In addition, by taking a modular approach, we are able to phase our capital expenditures related to equipping and fitting out resource in accordance with proven sales demand or contractual delivery commitments to customers.

We commence marketing new data center facilities several quarters prior to completion of construction. We aim to secure pre-commitments from customers for a portion of the area under construction, typically from anchor customers who require large-scale capacity. Through securing such pre-commitments, we are able to reduce investment risk and optimize resource planning. Our contracts provide flexibility to our customers with regard to utilization and the commencement of billing. Anchor customers with large-scale commitments usually move in over 12 to 24 months, whereas enterprise customers usually move in over a period of three to six months. During the period when customers are moving into our data centers, we bill our customers for services based on a fixed amount which is the higher of actual utilization and minimum contractual customer commitments. See “—Contracts Terms and Pricing.”

Once data center resource becomes billable, customers are charged a fixed price over the life of the contract for colocation services and managed services. In certain contracts, the customer are also charged for actual power consumed. Area committed is included in area utilized when we commence generating revenue from the customer under the terms of the contract.

For our in-service data centers, we aim to maintain high levels of long-term utilization. As of December 31, 2016, our commitment rate was 89.0% of aggregate net floor area in service, while our utilization rate was 60.8%. The difference between commitment rate and utilization rate reflects the contracts which were still in the process of moving into our data centers. If we secure pre-commitments from customers, particularly large-scale capacity commitments from anchor customers, we expect that our utilization rate will continue to lag our commitment rate due to the longer time taken to move in associated with these types of contracts.

Our business model provides us with high levels of revenue visibility due to the long-term nature of our customer contracts and substantial backlog. We endeavor to provide high levels of customer service, support, and satisfaction so as to maintain long-term customer relationships and high rates of contract renewals for our services.

Our Data Centers

Our data centers are large-scale, highly reliable and highly efficient facilities that provide a flexible, modular and secure operating environment in which our customers can house, power and cool the computer systems and networking equipment that support their mission-critical IT infrastructure. We install large power capacity, together with engineering technologies to optimize power usage efficiency, enabling our customers to deploy their IT infrastructure more efficiently and reduce their operating and capital costs. Our data centers are located in close proximity to the corporate headquarters and key operations centers of many large enterprises, providing convenient access for our customers, as well as in areas where there are extensive telecommunications networks enabling our customers to enhance the performance and lower the cost of connectivity to our data centers. Our data centers are strategically located in Shanghai, Beijing, Shenzhen, Guangzhou and Chengdu, which are the primary financial, commercial, industrial and communications hubs in each region of China, and where demand is concentrated. We continue to source and secure additional data center resources in China’s primary economic hubs.

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The following table presents certain information relating to our data center portfolio as of December 31, 2016:

As of December 31, 2016, our total area committed was 61,043 sqm, of which 54,258 sqm and 6,785 sqm related to data centers in service and data centers under construction, respectively.

Self-developed Data Centers

As of December 31, 2016, we operated ten self-developed data centers with an aggregate net floor area of 51,888 sqm in service. We also operated capacity at over ten third-party data centers with an aggregate net floor area of 9,094 sqm in service, which we lease on a wholesale basis and use to provide colocation and managed services to our customers. As of the same date, we had a further three new self-developed data centers, one phase of an existing data center and a third-party data center, which collectively have an aggregate net floor area of 25,055 sqm, under construction. In addition, we had entered into leases and development agreements and secured land which could potentially be developed into data centers with an estimated aggregate developable net floor area of approximately 19,000 sqm and had entered into one memorandum of understanding respectively for a lease of three data center shell buildings in the Shanghai Waigaoqiao Free Trade Zone that we expect to provide us with additional net floor area of approximately 30,000 sqm.

High-Performance Features.  Our self-developed data centers generally feature:

·                                 High Availability.   Our data centers are equipped with redundant delivery paths for power, cooling and other critical systems, sufficient to satisfy or exceed the Tier III standard as defined by the Uptime Institute. High availability data centers are suitable for housing mission-critical IT infrastructure. We operate our facilities so as to deliver the levels of service availability required by the most demanding customers.

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·                                 High Power Density.   Our self-developed data centers in service and under construction have an average power density of approximately 2.0 kW/m2, compared with an average of around 1.0 kW/m 2 for data centers in China built since 2011, according to 451 Research. High power density enables customers to deploy their IT infrastructure more efficiently and to optimize their IT infrastructure performance.

·                                 High Power Efficiency.   Our self-developed data centers are designed to achieve high power efficiency, which is expressed conversely by a low PUE ratio. Our self-developed data centers had around 1.5 times PUE in stabilized operation, compared with an average of 1.7 times for data centers built from 2011 to mid-2013 in China and a PUE of more than 2.0 times for some older data centers, according to the MIIT. High power efficiency reduces operating costs, for the benefit of our customers and ourselves.

In addition to the high-performance features described above, our data centers provide flexible fit-out, sufficient floor load bearing strength and clear slab-to-slab height to support dense deployment of IT hardware, multiple layers of physical security, early fire detection monitoring and fire suppression systems, diverse connectivity, and other amenities.

This combination of high availability, high power density, high power efficiency and other features enables us to serve the most sophisticated and demanding users of data center services who seek cost efficient solutions for their requirements, without compromise on performance across multiple operating parameters.

Types of Data Centers.     We have a diversified and flexible approach to developing our data center portfolio. We categorize our data centers into the following two types:

·                                 Purpose-Built.   Purpose-built data centers are facilities which are designed and constructed specifically for use as data centers. Our purpose-built facilities comprise those that we design ourselves and for which we directly oversee the construction and fit out, as well as certain of the facilities that we lease or have acquired from third-parties. Purpose-built facilities represent approximately 57.6% by aggregate net floor area of our self-developed data centers in service and under construction as of December 31, 2016.

·                                 Converted.   Conversion involves repurposing existing industrial buildings for use as data centers. We undertake conversions in order to fulfill demand where time-to-market and site opportunity do not allow us to purpose-build. We carefully select such buildings based on their suitability for use as data centers. We design and construct to the same high technical specifications as our purpose-built data centers, so as to ensure that the end-product is of a comparable standard. Converted facilities represent approximately 42.4% by aggregate net floor area of our self-developed data centers in service and under construction as of December 31, 2016.

Data Center Tenure.     We hold our data centers either through direct ownership or lease. In China, land cannot be owned outright, but is secured through land use rights. For self-developed data centers that we own, we have rights to use the underlying land for up to 45 years, which is close to the longest permissible period, plus ownership of the buildings and other fixed assets comprising the data center. For self-developed data centers that we lease, we enter into long-term leases with the owners of the building for periods of ten to twenty years, which is the longest permitted lease period under PRC law. For third-party data centers where we lease capacity on a wholesale basis, we typically enter into leases for fixed terms of three to ten years.

Stage of Development.     We categorize our data centers, and the corresponding net floor area, according to the following stages of development:

·                                 In Service.   Data centers are categorized as in service once the construction of the building is complete, critical systems have been installed, the facility has passed rigorous integrated system testing, and one or more modules have been equipped and fitted out ready for utilization by customers. Once this stage has been reached, we categorize the net floor area of the data center as area in service, including the net floor area which may require additional capex for equipping and fitting out prior to utilization by customers.

·                                 Under Construction.   Data centers are categorized as under construction once we have secured control of the site, obtained the necessary construction and other permits, established the design, and building and engineering works are in progress. Where we successfully secure pre-commitments from customers, we calculate pre-commitment rate based on the area under construction.

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·                                 Held for Future Development.   Area held for future development consist of the estimated data center net floor area that we expect to be able to develop on land which we have secured, at buildings which we have constructed or leased and pursuant to development or lease agreements we have entered into, but which, in each case, are not under construction. The developable net floor area estimates are subject to a number of contingencies and uncertainties.

Self-Developed Data Centers in Service:     The following table sets forth additional details concerning our portfolio of self-developed data centers in service as of December 31, 2016:

(1)             The ratio of area committed to area in service.

(2)             The ratio of area utilized to area in service.

(3)             We are developing our CD1 data center in phases. The categorization of data centers by stage of development is applied to each phase of CD1 development.

As of December 31, 2016, we had invested an aggregate RMB2,999.4 million (US$432.0 million) in our data centers in service and expect to invest approximately an additional RMB293.2 million (US$42.2 million) to achieve full ramp-up in these data centers.

Self-Developed Data Centers Under Construction.     The following data table presents certain information relating to our self-developed data centers under construction as of December 31, 2016: