DATE [JIAYUAN.COM INTERNATIONAL] EFFECT: (Original Filing)

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DATE [JIAYUAN.COM INTERNATIONAL] EFFECT: .FormData {color: blue; background-color: white; font-size: small; font-family:

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

[ChinaCache International Holdings Ltd. Announces First Quarter 2011 Financial Results BEIJING — May 9, 2011 — ChinaCache International Holdings Ltd., (“ChinaCache” or the “Company”) (NASDAQ: CCIH), the leading provider of Internet content and application delivery services in China, today announced its unaudited interim condensed consolidated financial results for the quarter ended March 31, 2011. Highlights for First Quarter 2011 ·] [ChinaCache International Holdings Ltd. 6/F, Block A, Galaxy Plaza 10 Jiuxianqiao Road Middle, Chaoyang District Beijing 100015 The People’s Republic of China (86 10) 6437 3399 Form 20-F x Form 40-F o o o ChinaCache International Holdings Ltd. By :]

DATE [JIAYUAN.COM INTERNATIONAL] FWP: (Original Filing)

[QuickLinks -- Click here to rapidly navigate through this document NAME="page_bc41118_1_1"> http://sec.gov/Archives/edgar/data/1511683/000104746911004910/a2203664zf-1a.htm On May9, 2011, thempany filed Amendment No.4 to its registration statement on FormF-1,luding a preliminary prospectus. This free writing prospectus updates and supplements the informationntained in thempany's preliminary prospectus,ted May9, 2011.l references to page numbers are to Amendment No.5.]

CCIH [ChinaCache International] 6-K: ChinaCache International Holdings Ltd. Announces First Quarter 2011

[ChinaCache International Holdings Ltd. Announces First Quarter 2011 Financial Results BEIJING — May 9, 2011 — ChinaCache International Holdings Ltd., (“ChinaCache” or the “Company”) (NASDAQ: CCIH), the leading provider of Internet content and application delivery services in China, today announced its unaudited interim condensed consolidated financial results for the quarter ended March 31, 2011. Highlights for First Quarter 2011 ·] [ChinaCache International Holdings Ltd. 6/F, Block A, Galaxy Plaza 10 Jiuxianqiao Road Middle, Chaoyang District Beijing 100015 The People’s Republic of China (86 10) 6437 3399 Form 20-F x Form 40-F o o o ChinaCache International Holdings Ltd. By :]

DATE [JIAYUAN.COM INTERNATIONAL] FWP: QuickLinks — Click here to rapidly navigate through

[QuickLinks -- Click here to rapidly navigate through this document NAME="page_bc41118_1_1"> http://sec.gov/Archives/edgar/data/1511683/000104746911004910/a2203664zf-1a.htm On May9, 2011, thempany filed Amendment No.4 to its registration statement on FormF-1,luding a preliminary prospectus. This free writing prospectus updates and supplements the informationntained in thempany's preliminary prospectus,ted May9, 2011.l references to page numbers are to Amendment No.5.]

DATE [JIAYUAN.COM INTERNATIONAL] F-1/A: (Original Filing)

[AMENDMENT NO. 5 TO FormF-1 REGISTRATION STATEMENT Jiayuan.com International Not Applicableyman Islands 7371 Not Applicable Room1005, Changxin Building CTrporation System (Name,dress,luding zipde, and telephone number,luding areade, ofent for service)pies to:vid S. Wang, Esq.vid T. Zhang, Esq. Approximatete ofmmencement of proposedle to the public:] [LEGAL OPINION To: JIAYUAN.COM INTERNATIONAL Room1005, Changxin Building May 11, 2011 Dear Sir/Madam: 1. Opinion We are lawyers qualified in the Peoples Republic of China (the 4. Based upon and subject to the foregoing, we are of the opinion that the statements set forth under theption Taxation in the Registration Statement insofar theynstitute statement of] [CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We herebynsent to the use in this Registration Statement on FormF-1/A of Jiayuan.com International of our reportted March8, 2011, except for Note 19(c), (e)and (f)which are of April20, 2011, relating to thensolidated financial statements of Jiayuan.com International which appears in the Registration Statement on Form F-1/A (No. 333-173619).] [LEGAL OPINION To: JIAYUAN.COM INTERNATIONAL Room1005, Changxin Building No.39 Anding Road, Chaoyang District Beijing 100029 the Peoples Republic of China May 11, 2011 Dear Sir/Madam: 1. Opinion We are lawyers qualified in the Peoples Republic of China (the 2. 3. Documents In so acting, we have examined the Registration Statement, the originals orpies certified or]

DATE [JIAYUAN.COM INTERNATIONAL] F-1/A: AMENDMENT NO. 5 TO FormF-1 REGISTRATION STATEMENT Jiayuan.com

[AMENDMENT NO. 5 TO FormF-1 REGISTRATION STATEMENT Jiayuan.com International Not Applicableyman Islands 7371 Not Applicable Room1005, Changxin Building CTrporation System (Name,dress,luding zipde, and telephone number,luding areade, ofent for service)pies to:vid S. Wang, Esq.vid T. Zhang, Esq. Approximatete ofmmencement of proposedle to the public:] [LEGAL OPINION To: JIAYUAN.COM INTERNATIONAL Room1005, Changxin Building May 11, 2011 Dear Sir/Madam: 1. Opinion We are lawyers qualified in the Peoples Republic of China (the 4. Based upon and subject to the foregoing, we are of the opinion that the statements set forth under theption Taxation in the Registration Statement insofar theynstitute statement of] [CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We herebynsent to the use in this Registration Statement on FormF-1/A of Jiayuan.com International of our reportted March8, 2011, except for Note 19(c), (e)and (f)which are of April20, 2011, relating to thensolidated financial statements of Jiayuan.com International which appears in the Registration Statement on Form F-1/A (No. 333-173619).] [LEGAL OPINION To: JIAYUAN.COM INTERNATIONAL Room1005, Changxin Building No.39 Anding Road, Chaoyang District Beijing 100029 the Peoples Republic of China May 11, 2011 Dear Sir/Madam: 1. Opinion We are lawyers qualified in the Peoples Republic of China (the 2. 3. Documents In so acting, we have examined the Registration Statement, the originals orpies certified or]

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