[FORM20-F (Mark One) o OR x For the fiscal year ended December 31, 2011 OR o OR ote of event requiring this shellmpany report . . . . . . . . . . . . . . . . . . . For the transition period from to] [As of March31, 2012 Wholly-Owned Subsidiaries 1. Harperpital a British Virgin Islandsmpany 2. Jiayuan Hong Kongrporation Limited, a Hong Kongmpany 3. Miyuan (Shanghai) Information TechnologyLtd., ampany 4. Beijing Miyuan Information TechnologyLtd., ampany 5. Shanghai Huaqianshu Information TechnologyLtd., ampany] [Certification by the-Chief Executive Officer I, Haiyan Gong, certify that: 1. I have reviewed this annual report on Form20-F of Jiayuan.com International (thempany); 2. Based on my knowledge, this report does notntain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of] [Certification by the-Chief Executive Officer I, Linguang Wu, certify that: 1. I have reviewed this annual report on Form20-F of Jiayuan.com International (thempany); 2. Based on my knowledge, this report does notntain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of] [Certification by the Chief Financial Officer I, Shang-Hsiu Koo, certify that: 1. I have reviewed this annual report on Form20-F of Jiayuan.com International (thempany); 2. Based on my knowledge, this report does notntain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light] [Certification by the-Chief Executive Officer (2)The informationntained in the Report fairly presents, inl material respects, the financialndition and results of operations of thempany. Haiyan Gong-Chief Executive Officer a12-6760_1ex13d1.htm 6 EX-13.1] [Certification by the-Chief Executive Officer (2)The informationntained in the Report fairly presents, inl material respects, the financialndition and results of operations of thempany. Linguang Wu-Chief Executive Officer a12-6760_1ex13d2.htm 7 EX-13.2] [Certification by the Chief Financial Officer (2)The informationntained in the Report fairly presents, inl material respects, the financialndition and results of operations of thempany. Shang-Hsiu Koo Chief Financial Officer a12-6760_1ex13d3.htm 8 EX-13.3] [CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We herebynsent to theorporation by reference in the Registration Statement on FormS-8 (No.333-177877) of Jiayuan.com International of our report Beijing, the Peoples Republic of China April20, 2012NSENT OF PRICEWATERHOUSECOOPERS ZHONG TIAN CPA'S LIMITEDMPANY a12-6760_1ex15d1.htm 9 EX-15.1] [[ZHONG LUN LAW FIRM LETTERHEAD] April20, 2012 Jiayuan.com International Room1005, Changxin Building No.39 Anding Road Chaoyang District, Beijing 100029 Peoples Republic of China Ladies and Gentlemen: Yours faithfully Zhong Lun Law FirmNSENT OF ZHONG LUN LAW FIRM a12-6760_1ex15d2.htm 10 EX-15.2] [Consent of iResearchnsulting April13, 2012 Jiayuan.com International Room1005, Changxin Building No.39 Anding Road Chaoyang District, Beijing The Peoples Republic of China Ladies and Gentlemen: iResearchnsulting herebynsents to references to its name in the annual report on Form20-F of Jiayuan.com International (thempany) for the fiscal year ended December31, 2011 (together with any amendments thereto, the Annual]