American Stock Exchange Lists Sinovac Biotech Common Stock Mainland Chinese Biotech Company Pursues SARS Vaccine Among Others NEW YORK, Dec. 8 /PRNewswire/ -- The American Stock Exchange(R) (Amex(R)) today listed the common stock of Sinovac Biotech Ltd. ("Sinovac") under the ticker symbol "SVA". Sinovac is headquartered in Beijing, China, and is the second Mainland China-based company to list on the Amex this year, a result of the Amex's effort to actively seek out equity listings from companies located in China and the Pacific Rim region. As one of the leading emerging biotechnology companies in China, Sinovac specializes in research and development, commercialization and sales of human vaccines for infectious illnesses such as hepatitis A, hepatitis B, influenza and "SARS." Sinovac is the first and, currently, the only company in the world to be conducting clinical trials for a vaccine to prevent SARS. "We are quite pleased to welcome Sinovac to the Amex," John McGonegal, senior vice president of the Amex Equities Group, said. "Sinovac joins a growing and strong-performing roster of pharmaceutical, biotech and medical device companies that list their shares here and we look forward to working with the company in support of its effort to reach new investors and develop a broad following in the U.S. investment community." "We look forward to introducing our company more broadly to U.S. investors and can think of no better platform for our shares than the American Stock Exchange," Sinovac President and Chief Executive Officer Dr. Weidong Yin said. The specialist in Sinovac is AIM Specialists. For further information on SVA and other Amex-listed companies, please visit http://www.amex.com/. The American Stock Exchange(R) (Amex(R)) is the only primary exchange that offers trading across a full range of equities, options and exchange traded funds (ETFs), including structured products and HOLDRS(SM). In addition to its role as a national equities market, the Amex is the pioneer of the ETF, responsible for bringing the first domestic product to market in 1993. Leading the industry in ETF listings, the Amex lists 142 ETFs. The Amex is also one of the largest options exchanges in the U.S., trading options on broad-based and sector indexes as well as domestic and foreign stocks. For more information, please visit http://www.amex.com/. DATASOURCE: American Stock Exchange CONTACT: Dan Charnas of American Stock Exchange, +1-212-306-1654, Web site: http://www.amex.com/

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