[Dated: July 10, 2015 Tsinghua Unigroup Co., Ltd. Tsinghua Unigroup International Co., Ltd. ZHOU Yang ZHOU Yang Attorney-in-Fact Attorney-in-Fact Tsinghua Unigroup Capital Management Co., Ltd. ZHOU Yang, for and on behalf of ZHAO Weiguo by power of attorney ZHOU Yang Attorney-in-Fact] [SHARE PURCHASE AGREEMENT Agreement This Share Purchase Agreement (this “ (1) Company 500.com Ltd., a company incorporated in the Cayman Islands (the “ (2) Purchaser Party Parties Tsinghua Unigroup International Co., Ltd., a company incorporated in British Virgin Islands (the “ W I T N E S S E T H: WHEREAS, the Company is currently listed on the NYSE] [EXECUTION COPY REGISTRATION RIGHTS AGREEMENT Agreement Company Purchaser This Registration Rights Agreement (this “ Purchase Agreement Purchased Shares Closing WHEREAS, it is a condition to the closing (the “ NOW, THEREFORE, IN CONSIDERATION of the mutual covenants contained in this Agreement, and for other good and valuable consideration, the receipt and adequacy of which are hereby acknowledged, the Company and] [EXECUTION COPY LOCK-UP LETTER AGREEMENT June 24, 2015 Ladies and Gentlemen, Reference is made to certain Share Purchase Agreement (the “Share Purchase Agreement”), dated as of June 9, 2015, between 500.com Limited (the “Company”), and Tsinghua Unigroup International Co., Ltd. (the “Purchaser”), and that certain Registration Rights Agreement (the “Registration Rights Agreement”), dated as of June 24, 2015, between the] [SCHEDULE 13D CUSIP No. 338829R100 Page 2 1 NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) Tsinghua Unigroup International Co., Ltd. 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP ¨ x (a) 3 SEC USE ONLY 4 SOURCE OF FUNDS WC 5 6]