[INTRODUCTION 1 PART I 2 ITEM 1. IDENTITY OF DIRECTORS, SENIOR MANAGEMENT AND ADVISERS 2 ITEM 2. OFFER STATISTICS AND EXPECTED TIMETABLE 2 ITEM 3. KEY INFORMATION 2 ITEM 4. INFORMATION ON THE COMPANY 36 ITEM 4A. UNRESOLVED STAFF COMMENTS 53 ITEM 5. OPERATING AND FINANCIAL REVIEW AND PROSPECTS 53 ITEM 6. DIRECTORS, SENIOR MANAGEMENT AND EMPLOYEES 77 ITEM 7.] [EXECUTION VERSION Dated March 20, 2013 21VIANET GROUP, INC. as Issuer and CITICORP INTERNATIONAL LIMITED as Fiscal Agent, Transfer Agent, CMU Lodging and Paying Agent and Registrar FISCAL AGENCY AGREEMENT relating to CNY1,000,000,000 7.875% Bonds due 2016 Linklaters 10th Floor, Alexandra House Chater Road Hong Kong Telephone (+852) 2842 4888 Facsimile (+852) 2810 8133/2810 1695 Ref L-212071 Table of Contents] [Loan Agreement * This Loan Agreement (hereafter referred to as the “Agreement”), dated as of January 28, 2011, was made and entered into between: (1) 21Vianet Data Center Co., Ltd. (the “Lender”) Registered address: 3/F, M5, 1 Jiuxianqiao Road, Chaoyang District, Beijing Post code: 100016 (2) Sheng Chen ID No. 110108196807271450 Jun Zhang ID No. 110108196803261474 (Sheng Chen and Jun] [Commitment Letter TO: Beijing aBitCool Network Technology Co., Ltd. In order for Beijing aBitCool Network Technology Co., Ltd. and any company whose financial statements are consolidated under U.S. GAAP to operate in their normal course of business and speed up their business development, AsiaCloud Inc.*, 21Vianet Data Center Co., Ltd., Sheng Chen and Jun Zhang hereby jointly make the following] [Summary of Property Lease Agreement Parties: Lessor: Beijing Xingguang Tuocheng Investment Co., Ltd. Lessee: Beijing 21Vianet Broad Band Data Center Co., Ltd. Date of Execution Leased Property: Floor one to Floor eight and Floor B1 and Floor B2 of Xingguang Film & Video Park New Media Production Center, located at No. 2 Beixing Road East, Xihongmen Town, Daxing District, Beijing,] [List of Subsidiaries and Consolidated Variable Interest Entities Subsidiaries Jurisdiction of Incorporation 21ViaNet Group Limited Hong Kong 21ViaNet @Xian Holdings Limited British Virgin Islands Fastweb International Holdings Cayman Islands Hongkong Fastweb Holdings Co., Limited Hong Kong Beijing Fastweb Technology Co., Ltd. PRC 21Vianet Data Center Co., Ltd. PRC 21Vianet Anhui Suzhou Technology Co., Ltd. PRC 21Vianet (Xi’an) Technology Co., Ltd.] [I, Sheng Chen, certify that: 1. I have reviewed this annual report on Form 20-F of 21Vianet Group, Inc.; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made,] [Certification by the Principal Financial Officer I, Shang-Wen Hsiao, certify that: 1. I have reviewed this annual report on Form 20-F of 21Vianet Group, Inc.; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances] [(1) (2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company. Sheng Chen Chief Executive Officer EX-13.1 9 d463311dex131.htm EX-13.1] [Certification by the Principal Financial Officer (1) (2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company. Shang-Wen Hsiao Chief Financial Officer EX-13.2 10 d463311dex132.htm EX-13.2] [CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM Shanghai, People’s Republic of China April 19, 2013 EX-15.1 11 d463311dex151.htm EX-15.1] [Consent of King & Wood Mallesons To: 21Vianet Group, Inc. M5, 1 Jiuxianqiao East Road Chaoyang District, Beijing 100016 The People’s Republic of China Dear Sirs, Yours faithfully, King & Wood Mallesons EX-15.2 12 d463311dex152.htm EX-15.2]