SHANGHAI, China – October 31, 2011—SINA Corporation (NASDAQ GS: SINA), a leading online media company and mobile value-added service (MVAS) provider for China and for global Chinese communities, will announce its unaudited financial results for the third quarter 2011 after the close of market on Tuesday November 8, 2011. Following the announcement, SINA's management team will host a conference call from 8p.m. –9p.m. Eastern Time on November 8, 2011 (or 9a.m. –10a.m. Beijing Time on November 9, 2011) to present an overview of the Company's financial performance and business operations.

　　A live webcast of the call will be available through the Company's corporate website at corp.sina.com. Dial-in to the conference call can be accessed as follows:

　　US:+1 857 244 7313

　　UK:+44 207 365 8426

　　Hong Kong:+852 3002 1672

　　Passcode for all regions: 29054648

　　A replay of the conference call will be available through midnight Eastern Time, November 15, 2011. The dial-in number is + 1 617 801 6888. The pass code for the replay is 64721236.

　　About SINA

　　SINA Corporation (Nasdaq GS: SINA) is an online media company and mobile value added service (MVAS) provider in China and for the global Chinese communities. With a branded network of localized websites targeting Greater China and overseas Chinese, the Company provides services mainly through SINA.com (online news and content), Weibo.com (social media) and SINA Mobile (MVAS). Through these businesses and properties and other business lines, SINA offers an array of services including region-focused online portals, microblog, blog, video and music streaming, photo sharing, online games, email, search, classified listings, MVAS, fee-based services, e-commerce and enterprise e-solutions. The Company generates the majority of its revenues from online advertising and MVAS offerings and, to a lesser extent, from fee-based services.

　　Safe Harbor Statement

　　This announcement contains forward-looking statements that relate to, among other things, SINA’s strategic and operational plans. SINA may also make forward-looking statements in the Company’s periodic reports to the U.S. Securities and Exchange Commission, in its annual report to shareholders, in its proxy statements, in its offering circulars and prospectuses, in press releases and other written materials and in oral statements made by its officers, directors or employees to third parties. SINA assumes no obligation to update the forward-looking statements in this release and elsewhere. Statements that are not historical facts, including statements about the Company’s beliefs and expectations, are forward-looking statements. Forward-looking statements involve inherent risks and uncertainties. A number of important factors could cause actual results to differ materially from those contained in any forward-looking statement. Potential risks and uncertainties include, but are not limited to, SINA’s limited operating history, the uncertain regulatory landscape in the People’s Republic of China, including how the new EIT will be implemented, the changes by mobile operators in China to their policies for MVAS, the Company’s ability to develop and market other MVAS products, fluctuations in quarterly operating results, the Company’s reliance on online advertising sales and MVAS for a majority of its revenues, the Company’s reliance on mobile operators in China to provide MVAS, any failure to successfully develop and introduce new products and any failure to successfully integrate acquired businesses. Further information regarding these and other risks is included in SINA’s Annual Report on Form 20-F for the year ended December 31, 2010 and its other filings with the Securities and Exchange Commission.

　　Contact:

　　Cathy Peng

　　SINA Corporation

　　Phone: 8610-82628888 x 3112

　　Email: ir@staff.sina.com.cn