CCIH [ChinaCache International] 20-F: FORM 20-F (Mark One) o OR x OR

[FORM 20-F (Mark One) o OR x OR o OR o Date of event requiring this shell company report . . . . . . . . . . . . . . . . . . . For the transition period from to ChinaCache International Holdings Ltd. N/A Cayman Islands (Jurisdiction of incorporation or organization) Section A, Building 3] [Loan Agreement This Loan Agreement (this “Agreement”) is made and entered into by and between the Parties below as of January 20, 2016 in Beijing, China: (1) (2) Each of the Lender and the Borrower shall be hereinafter referred to as a “Party” respectively, and as the “Parties” collectively. Whereas, Borrower intends to subscribe the increased registered capital in the] [Exclusive Option Agreement This Exclusive Option Agreement (this “Agreement”) is executed by and among the following Parties as of the 20 day of January , 2016 in Beijing, China: ChinaCache International Holdings Ltd., Party A: Song Wang Party B: Beijing Blue I. T. Technologies Co” Ltd., Party C: In this Agreement, each of Party A, Party B and Party C] [Subsidiaries PLACE OF ChinaCache North America Inc. California, USA ChinaCache Ireland Limited Ireland ChinaCache Networks (UK) Limited England and Wales, United Kingdom ChinaCache Networks (Hong Kong) Limited Hong Kong ChinaCache Network Technology (Beijing) Limited PRC ChinaCache Xin Run Technology (Beijing) Co., Limited PRC] [I, Song Wang, certify that: 1. I have reviewed this annual report on Form 20-F of ChinaCache International Holdings, Ltd.; 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] [Certification by the Principal Financial Officer I, Jing An, certify that: 1. I have reviewed this annual report on Form 20-F of ChinaCache International Holdings, Ltd; 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] [1. 2. EX-13.1 7 a16-3851_1ex13d1.htm EX-13.1] [Certification by the Principal Financial Officer (1) (2) EX-13.2 8 a16-3851_1ex13d2.htm EX-13.2] [27 April 2016 Matter No.822461 Doc Ref: WL/ot/102534827 (852) 2842 9532 wynne.lau@conyersdill.com ChinaCache International Holdings Ltd. Section A, Building 3 Dian Tong Creative Square No.7 Jiuxianqiao North Road Chaoyang District Beijing, 100015 People’s Republic of China Dear Sirs, ChinaCache International Holdings Ltd. (the “Company”) Re: We consent to the reference to our firm under the headings “Item 10.E - Additional] [April 27, 2016 ChinaCache International Holdings Ltd. Section A, Building 3 Dian Tong Creative Square No. 7 Jiuxianqiao North Road Chaoyang District Beijing, 100015 People’s Republic of China Dear Sir/Madam: We consent to the reference to our firm name and the summary of our opinion under the headings SEC Annual Report Very truly yours, Han Kun Law Offices EX-15.2 10] [Consent of Independent Registered Public Accounting Firm We consent to the incorporation by reference in the following Registration Statements: 1) 2) 3) of ChinaCache International Holdings Ltd. of our reports dated April 27, 2016, with respect to the consolidated financial statements of ChinaCache International Holdings Ltd. and the effectiveness of internal control over financial reporting of ChinaCache International Holdings Ltd.,]

CCIH [ChinaCache International] 20-F: (Original Filing)

[FORM 20-F (Mark One) o OR x OR o OR o Date of event requiring this shell company report . . . . . . . . . . . . . . . . . . . For the transition period from to ChinaCache International Holdings Ltd. N/A Cayman Islands (Jurisdiction of incorporation or organization) Section A, Building 3] [Loan Agreement This Loan Agreement (this “Agreement”) is made and entered into by and between the Parties below as of January 20, 2016 in Beijing, China: (1) (2) Each of the Lender and the Borrower shall be hereinafter referred to as a “Party” respectively, and as the “Parties” collectively. Whereas, Borrower intends to subscribe the increased registered capital in the] [Exclusive Option Agreement This Exclusive Option Agreement (this “Agreement”) is executed by and among the following Parties as of the 20 day of January , 2016 in Beijing, China: ChinaCache International Holdings Ltd., Party A: Song Wang Party B: Beijing Blue I. T. Technologies Co” Ltd., Party C: In this Agreement, each of Party A, Party B and Party C] [Subsidiaries PLACE OF ChinaCache North America Inc. California, USA ChinaCache Ireland Limited Ireland ChinaCache Networks (UK) Limited England and Wales, United Kingdom ChinaCache Networks (Hong Kong) Limited Hong Kong ChinaCache Network Technology (Beijing) Limited PRC ChinaCache Xin Run Technology (Beijing) Co., Limited PRC] [I, Song Wang, certify that: 1. I have reviewed this annual report on Form 20-F of ChinaCache International Holdings, Ltd.; 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] [Certification by the Principal Financial Officer I, Jing An, certify that: 1. I have reviewed this annual report on Form 20-F of ChinaCache International Holdings, Ltd; 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] [1. 2. EX-13.1 7 a16-3851_1ex13d1.htm EX-13.1] [Certification by the Principal Financial Officer (1) (2) EX-13.2 8 a16-3851_1ex13d2.htm EX-13.2] [27 April 2016 Matter No.822461 Doc Ref: WL/ot/102534827 (852) 2842 9532 wynne.lau@conyersdill.com ChinaCache International Holdings Ltd. Section A, Building 3 Dian Tong Creative Square No.7 Jiuxianqiao North Road Chaoyang District Beijing, 100015 People’s Republic of China Dear Sirs, ChinaCache International Holdings Ltd. (the “Company”) Re: We consent to the reference to our firm under the headings “Item 10.E - Additional] [April 27, 2016 ChinaCache International Holdings Ltd. Section A, Building 3 Dian Tong Creative Square No. 7 Jiuxianqiao North Road Chaoyang District Beijing, 100015 People’s Republic of China Dear Sir/Madam: We consent to the reference to our firm name and the summary of our opinion under the headings SEC Annual Report Very truly yours, Han Kun Law Offices EX-15.2 10] [Consent of Independent Registered Public Accounting Firm We consent to the incorporation by reference in the following Registration Statements: 1) 2) 3) of ChinaCache International Holdings Ltd. of our reports dated April 27, 2016, with respect to the consolidated financial statements of ChinaCache International Holdings Ltd. and the effectiveness of internal control over financial reporting of ChinaCache International Holdings Ltd.,]

CCIH [ChinaCache International] 6-K: (Original Filing)

[ChinaCache International Holdings Ltd. Announces BEIJING — March 21, 2016 “We ended 2015 with significant progress made in our core business despite the challenges we experienced with our platform,” said Mr. Song Wang, Founder, Chairman and Chief Executive Officer of ChinaCache. “Although our revenue growth was affected by the platform issues, we managed to control our expenses effectively. In addition,] [001-34873 ChinaCache International Holdings Ltd. Section A, Building 3, Dian Tong Creative Square +86 10 6437 3399 Form 20-F x o o o ChinaCache International Holdings Ltd. By :]

CCIH [ChinaCache International] 6-K: ChinaCache International Holdings Ltd. Announces BEIJING — March

[ChinaCache International Holdings Ltd. Announces BEIJING — March 21, 2016 “We ended 2015 with significant progress made in our core business despite the challenges we experienced with our platform,” said Mr. Song Wang, Founder, Chairman and Chief Executive Officer of ChinaCache. “Although our revenue growth was affected by the platform issues, we managed to control our expenses effectively. In addition,] [001-34873 ChinaCache International Holdings Ltd. Section A, Building 3, Dian Tong Creative Square +86 10 6437 3399 Form 20-F x o o o ChinaCache International Holdings Ltd. By :]

CCIH [ChinaCache International] SC 13G/A: (Original Filing)

[Item 1: Reporting Person - FIL Limited Item 2: (a) [ ] (b) [ ] Item 4: Bermuda Item 5: 40,254,896 Item 6: 0 Item 7: 40,645,472 Item 8: 0 Item 9: 40,645,472 Item 11: 10.015% Item 12: FI Cusip #16950M107 Item 1: Reporting Person - Pandanus Partners, L.P. Item 2: (a) [ ] (b) [ ] Item 4: Delaware]

CCIH [ChinaCache International] SC 13G/A: Item 1: Reporting Person – FIL Limited Item

[Item 1: Reporting Person - FIL Limited Item 2: (a) [ ] (b) [ ] Item 4: Bermuda Item 5: 40,254,896 Item 6: 0 Item 7: 40,645,472 Item 8: 0 Item 9: 40,645,472 Item 11: 10.015% Item 12: FI Cusip #16950M107 Item 1: Reporting Person - Pandanus Partners, L.P. Item 2: (a) [ ] (b) [ ] Item 4: Delaware]

CCIH [ChinaCache International] SC 13G/A: (Name of Issuer) Ordinary Shares (Title of Class

[(Name of Issuer) Ordinary Shares (Title of Class of Securities) (CUSIP Number) December 31, 2015 (Date of Event Which Requires Filing of this Statement) [X] Rule 13d-1(b) [ ] Rule 13d-1(c) [ ] Rule 13d-1(d) * CUSIP No. 1. NAMES OF REPORTING PERSONS 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP 3. SEC USE ONLY 4. CITIZENSHIP]

CCIH [ChinaCache International] SC 13G/A: (Original Filing)

[Joint Filing Agreement Consolidated Capital Holdings Ltd. Song Wang Song Wang Jean Xiaohong Kou Jean Xiaohong Kou EX-99.1 2 a16-3668_1ex99d1.htm EX-99.1] [1 Names of Reporting Persons 2 Check the Appropriate Box if a Member of a Group]

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