September 18, 2008

Sinovac Biotech Holds 2007 Annual General Meeting

BEIJING, Sept. 18 /Xinhua-PRNewswire/ -- Sinovac Biotech Ltd. , a leading provider of vaccines in China, today announced that its Annual General Meeting originally scheduled for September 4, 2008 was held two weeks later, on September 18, 2008.

During the September 18, 2008 Annual General Meeting, held at Sinovac's headquarters located at No. 39, Shangdi Xi Rd., Haidian District, Beijing, PRC, resolutions for the Company's 2007 Annual Report was reviewed, and the appointment of Ernst & Young as Sinovac's registered public accountants was approved.

About Sinovac

Sinovac Biotech Ltd. is a China-based biopharmaceutical company that focuses on the research, development, manufacture and commercialization of vaccines that protect against human infectious diseases. Sinovac's vaccines include Healive(R) (hepatitis A), Bilive(R) (combined hepatitis A and B), Anflu(R) (influenza) and Panflu(TM) (H5N1). Sinovac is currently developing Universal Pandemic Influenza vaccine and Japanese encephalitis vaccine. Additional information about Sinovac is available on its website, . To be added to our distribution list, please email: [email protected]

   For more information, please contact:     Helen G. Yang    Sinovac Biotech Ltd.    Tel:   +86-10-8289-0088 x871    Fax:   +86-10-6296-6910    Email: [email protected]    Investors/Media:    Stephanie Carrington/Janine McCargo    The Ruth Group    Tel:   +1-646-536-7017/7033    Email: [email protected]           [email protected]  

Sinovac Biotech Ltd.

CONTACT: Helen G. Yang of Sinovac Biotech Ltd., +86-10-8289-0088 x871, orfax, +86-10-6296-6910, or [email protected]; Or Investors/Media: StephanieCarrington/Janine McCargo of The Ruth Group, +1-646-536-7017/7033, [email protected] and [email protected]

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