Exhibit 4.50 MOBILE VALUE-ADDED SERVICE COOPERATION AGREEMENT WITH CHINA UNICOM TELECOMMUNICATIONS CORPORATION SERIAL NO. CUVAS-V05-A2005-0114 PARTY A: CHINA UNICOM TELECOMMUNICATIONS CORPORATION PARTY B: SHANGHAI WEILAN COMPUTER COMPANY LTD. DATE:...Mobile Value-Added Service Cooperation Agreement • June 30th, 2005 • Linktone LTD • Services-computer processing & data preparation
Serial No. CUVAS-A2004-052 ---------------Mobile Value-Added Service Cooperation Agreement • January 12th, 2005 • Hurray! Holding Co., Ltd.