EXHIBIT F KAIYUAN AGREEMENT SHARE PURCHASE AGREEMENTShare Purchase Agreement • June 21st, 2011 • Warburg Pincus & Co • New York
Contract Type FiledJune 21st, 2011 Company JurisdictionTHIS SHARE PURCHASE AGREEMENT (this “Agreement”), made and entered into as of this 17th day of June, 2011, by and among Kaiyuan Technology Limited, a British Virgin Islands company (“Seller”), Mr. Qiang DENG (邓强), holder of Chinese Identity Card No. 110102196711032318 (“Principal”) and WP X Investments IV Ltd. (“Buyer”).