[JOINT FILING AGREEMENT Dated: May 29, 2015 JD.com, Inc. Richard Qiangdong Liu Chairman of the Board and Chief Executive Officer JD.com E-Commerce (Technology) Hong Kong Corporation Limited Richard Qiangdong Liu] [Execution Version SUBSCRIPTION AGREEMENT Agreement This Subscription Agreement (this “ (1) Tuniu Corporation Company , a company incorporated in the Cayman Islands (the “ (2) Purchaser Fabulous Jade Global Limited, a company organized under the laws of the British Virgin Islands (the “ Party, Parties The Purchaser and the Company are sometimes each referred to herein as a “ W] [Strategic Cooperation Agreement Between JD.com, Inc. And Tuniu Corporation May 8, 2015 Agreement This STRATEGIC COOPERATION AGREEMENT (this “ Party A: JD.com, Inc. JD (together with its affiliates, “ Registered address: PO Box 309, Ugland House, Grand Cayman, KY1-1104, Cayman Islands And Party B:Tuniu Corporation Tuniu (together with its affiliates, “ Registered address: International Corporation Services Ltd., P.O. Box 472,] [Execution Version INVESTOR RIGHTS AGREEMENT dated as of May 22, 2015 between TUNIU CORPORATION and FABULOUS JADE GLOBAL LIMITED TABLE OF CONTENTS ARTICLE 1 DEFINITIONS Section 1.01 . Definitions 1 Section 1.02 . Other Definitional and Interpretative Provisions 4 ARTICLE 2 CORPORATE GOVERNANCE Section 2.01 . Board Representation 4 Section 2.02] [CUSIP No.]

[SS OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON DCM V, L.P. (“DCM V”) 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) (b) 3 SEC USE ONLY 4 CITIZENSHIP OR PLACE OF ORGANIZATION Cayman Islands NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH 5 SOLE VOTING POWER American Depositary Shares (“ADSs”)) 22,881,096 ordinary shares* (“shares”)]

[CUSIP No. 89977P106 SCHEDULE 13D Page 2 of 12 1. Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only) Sequoia Capital 2010 CV Holdco, Ltd. IRS Identification No. 98-0660286 2. Check the Appropriate Box if a Member of a Group (See Instructions) ¨ ¨ (a) 3. SEC Use Only 4. Source of Funds (See Instructions) OO 5.]

[EXECUTION VERSION REGISTRATION RIGHTS AGREEMENT BY AND BETWEEN TUNIU CORPORATION AND UNICORN RICHES LIMITED May 22, 2015 TABLE OF CONTENTS PAGE ARTICLE 1 DEFINITIONS 1 Section 1.1 Definitions 1 ARTICLE 2 REGISTRATION RIGHTS 3 Section 2.1 Request for Registration] [SCHEDULE 13D (Rule 13d-101) TUNIU CORPORATION (Name of Issuer) Class A Ordinary Shares, par value US$0.0001 per share (Title of Class of Securities) 89977P106 (1) (CUSIP Number) Ke Wang Hony Capital Limited Suite 2701, One Exchange Square Central, Hong Kong +852 3961 9700 With a copy to: Denise Shiu, Esq. Cleary Gottlieb Steen & Hamilton LLP 45th Floor, Fortune Financial]