DATE [JIAYUAN.COM INTERNATIONAL] 424B4: This is the initial public offering of our

[This is the initial public offering of our American depositary shares, or ADSs. We are offering 6,700,000 ADSs and the selling shareholder named in this prospectus is offering an additional 400,000 ADSs. Every two ADSs represent three ordinary shares, par value US$0.001 per share. We intend to use approximately US$4.0 million from the proceeds to pay dividends due to the]

BITA [BITAUTO] 6-K: (Original Filing)

[Bitauto Announces First Quarter 2011 Results (1) BEIJING, China, May 12, 2011 — Bitauto Holdings Limited (“Bitauto” or the “Company”) (NYSE: BITA), a leading provider of Internet content and marketing services for China’s fast-growing automotive industry, today announced its unaudited financial results for the first quarter ended March 31, 2011. First Quarter 2011 Highlights l Revenue l Gross profit l] [FORM 6-K Bitauto Holdings Limited New Century Hotel Office Tower, 6/F þ o Form 20-F o o TABLE OF CONTENTS EX-99.1 Bitauto Holdings Limited Xuan Zhang Chief Financial Officer 2 3 6-K 1 h05097e6vk.htm 6-K]

BITA [BITAUTO] 6-K: Bitauto Announces First Quarter 2011 Results (1) BEIJING,

[Bitauto Announces First Quarter 2011 Results (1) BEIJING, China, May 12, 2011 — Bitauto Holdings Limited (“Bitauto” or the “Company”) (NYSE: BITA), a leading provider of Internet content and marketing services for China’s fast-growing automotive industry, today announced its unaudited financial results for the first quarter ended March 31, 2011. First Quarter 2011 Highlights l Revenue l Gross profit l] [FORM 6-K Bitauto Holdings Limited New Century Hotel Office Tower, 6/F þ o Form 20-F o o TABLE OF CONTENTS EX-99.1 Bitauto Holdings Limited Xuan Zhang Chief Financial Officer 2 3 6-K 1 h05097e6vk.htm 6-K]

DATE [JIAYUAN.COM INTERNATIONAL] 424B4: (Original Filing)

[7,100,000 American Depositary Shares Jiayuan.com InternationalLtd. Representing 10,650,000 Ordinary Shares This is the initial public offering of our American depositary shares, orSs. We are offering 6,700,000Ss and the selling shareholder named in this prospectus is offering anditional 400,000Ss. Every twoSs represent three ordinary shares, par value US$0.001 per share. We intend to use approximately US$4.0million]

BITA [BITAUTO] 20-F: (Original Filing)

[] [FORM OF INTERNET MARKETING SERVICE AGREEMENT Party A: FAWMazda FAW Mazda Motor Sales Co., Ltd. (“ Party B: BBII Beijing Bitauto Internet Information Company Limited (“ Party C: CIG Beijing C&I Advertising Company Limited (“ Agreement Party A, Party B and Party C hereby enter into the following agreement (“ ARTICLE 1 SCOPE OF INTERNET MARKETING SERVICES The Internet marketing] [List of Subsidiaries Subsidiaries: Jurisdiction of Incorporation Bitauto Hong Kong Limited Hong Kong Beijing Bitauto Internet Information Company Limited PRC Special Purpose Entities: Jurisdiction of Incorporation Beijing Bitauto Information Technology Company Limited PRC Beijing C&I Advertising Company Limited PRC Beijing Easy Auto Media Company Limited PRC Beijing Brainstorm Advertising Company Limited PRC Beijing New Line Advertising Company Limited PRC Beijing] [I, Bin Li, certify that: Form 20-F 1. I have reviewed this annual report on 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, not misleading with respect] [Certification by the Principal Financial Officer I, Xuan Zhang, certify that: Form 20-F 1. I have reviewed this annual report on 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] [Form 20-F (2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company. Chairman and Chief Executive Officer] [Certification by the Principal Financial Officer Form 20-F (2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company. Chief Financial Officer] [Han Kun Law Offices Bitauto Holdings Limited New Century Hotel Office Tower, 6/F No. 6 South Capital Stadium Road Beijing, 100044 The People’s Republic of China Ladies and Gentlemen: Form 20-F, We hereby consent to the use of our name under the captions “REGULATION” and “RISK FACTORS” included in the Sincerely yours,] [Consent of Independent Registered Public Accounting Firm (Form S-8 No. 333-171927) Form 20-F We consent to the incorporation by reference in the Registration Statement Beijing, People’s Republic of China May 10, 2011]

DATE [JIAYUAN.COM INTERNATIONAL] 424B4: 7,100,000 American Depositary Shares Jiayuan.com InternationalLtd. Representing 10,650,000

[7,100,000 American Depositary Shares Jiayuan.com InternationalLtd. Representing 10,650,000 Ordinary Shares This is the initial public offering of our American depositary shares, orSs. We are offering 6,700,000Ss and the selling shareholder named in this prospectus is offering anditional 400,000Ss. Every twoSs represent three ordinary shares, par value US$0.001 per share. We intend to use approximately US$4.0million]

BITA [BITAUTO] 20-F:

[] [FORM OF INTERNET MARKETING SERVICE AGREEMENT Party A: FAWMazda FAW Mazda Motor Sales Co., Ltd. (“ Party B: BBII Beijing Bitauto Internet Information Company Limited (“ Party C: CIG Beijing C&I Advertising Company Limited (“ Agreement Party A, Party B and Party C hereby enter into the following agreement (“ ARTICLE 1 SCOPE OF INTERNET MARKETING SERVICES The Internet marketing] [List of Subsidiaries Subsidiaries: Jurisdiction of Incorporation Bitauto Hong Kong Limited Hong Kong Beijing Bitauto Internet Information Company Limited PRC Special Purpose Entities: Jurisdiction of Incorporation Beijing Bitauto Information Technology Company Limited PRC Beijing C&I Advertising Company Limited PRC Beijing Easy Auto Media Company Limited PRC Beijing Brainstorm Advertising Company Limited PRC Beijing New Line Advertising Company Limited PRC Beijing] [I, Bin Li, certify that: Form 20-F 1. I have reviewed this annual report on 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, not misleading with respect] [Certification by the Principal Financial Officer I, Xuan Zhang, certify that: Form 20-F 1. I have reviewed this annual report on 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] [Form 20-F (2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company. Chairman and Chief Executive Officer] [Certification by the Principal Financial Officer Form 20-F (2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company. Chief Financial Officer] [Han Kun Law Offices Bitauto Holdings Limited New Century Hotel Office Tower, 6/F No. 6 South Capital Stadium Road Beijing, 100044 The People’s Republic of China Ladies and Gentlemen: Form 20-F, We hereby consent to the use of our name under the captions “REGULATION” and “RISK FACTORS” included in the Sincerely yours,] [Consent of Independent Registered Public Accounting Firm (Form S-8 No. 333-171927) Form 20-F We consent to the incorporation by reference in the Registration Statement Beijing, People’s Republic of China May 10, 2011]

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