Shanghai, China -- (PRNewswire)—May 21, 2004—SINA Corporation (Nasdaq:SINA), a leading online media company and value-added information service provider for China and for global Chinese communities, today announced that it is scheduled to present at the Lehman Brothers 2004 Global Wireless Conference in New York and the Goldman Sachs Fifth Annual Internet Conference in Las Vegas, Nevada on May 24th and May 27th, respectively. Charles Chao, the Company’s Chief Financial Officer, will be presenting at both conferences.

　　Lehman Brothers 2004 Global Wireless Conference

　　Date:Monday, May 24, 2004

　　Time:1:45 PM – 2:15 PM (ET)

　　Place:The Waldorf Astoria/ New York

　　Webcast: http://customer.nvglb.com/LEHM002/052404a_rk/default.asp?entity=sina

　　Goldman Sachs Fifth Annual Internet Conference

　　Date:Thursday, May 27, 2004

　　Time:2:35 PM – 3:20 PM (Pacific Time)

　　Place:The Bellagio/ Las Vegas, Nevada

　　Webcast: http://customer.talkpoint.com/GOLD006/052604a_by/default.asp?entity=sina

　　About SINA

　　SINA Corporation (NASDAQ: SINA) is a leading online media company and value-added information service (VAS) provider for China and for global Chinese communities. With a branded network of localized web sites targeting Greater China and overseas Chinese, SINA provides services through five major business lines including SINA.com (online news and content), SINA Mobile (mobile value-added services), SINA Online (community-based services and games), SINA.net (search and enterprise services) and SINA E-Commerce (online shopping and travel). Together these provide an array of services including region-focused online portals, mobile value-added services, search and directory, interest-based and community-building channels, free and premium email, online games, virtual ISP, classified listings, fee-based services, e-commerce and enterprise e-solutions.

　　Safe Harbor Statement

　　This announcement contains forward-looking statements. We may also make written or oral forward-looking statements in our periodic reports to the Securities and Exchange commission on forms 10-K, 10-Q, 8-K, etc., in our annual report to shareholders, in our proxy statements, in our offering circulars and prospectuses, in press releases and other written materials and in oral statements made by our officers, directors or employees to third parties. Statements that are not historical facts, including statements about our beliefs and expectations, are forward-looking statements. These statements are based on current plans, estimates and projections, and therefore you should not place undue reliance on them. Forward-looking statements involve inherent risks and uncertainties. We caution you that 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 historical losses, its limited operating history, the uncertain regulatory landscape in the People's Republic of China, fluctuations in quarterly operating results, the Company's reliance on its mobile content value added services and online advertising sales for a majority of its revenues, the Company’s reliance on mobile operators in China to provide wireless short messaging service, 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 prospectus, 10K, 10Q and in its other filings with the Securities and Exchange Commission.

　　Contact:

　　Chen Fu

　　Investor Relations

　　SINA Corporation

　　Phone: 8621-62895678 x 6089

　　E-mail: fuchen@staff.sina.com

　　Denise Roche

　　The Ruth Group

　　Phone: (646) 536-7008

　　Email: droche@theruthgroup.com