Sinovac Announces Postponement of Annual General Meeting

2007-09-21

Monday August 20, 8:49 pm ET

BEIJING, Aug. 20 /Xinhua-PRNewswire/ -- Sinovac Biotech Ltd. (Amex: SVA - News), a leading provider of biopharmaceutical products in China, notified its shareholders today that the Annual General Meeting of shareholders, convened for August 21, 2007, has been postponed due the geographical nature of its shareholders and technical difficulties with the mailing of proxy materials. The Company is currently working to ensure that shareholders receive necessary proxy materials in an efficient manner and will provide an update on the date of the postponed meeting as quickly as possible, to be held before the end of September 2007 with an unchanged agenda and venue.

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(TM) (hepatitis A), Bilive(TM) (combined hepatitis A and B) and Anflu(TM) (influenza). Sinovac is currently developing human vaccines against the H5N1 strain of pandemic influenza, Japanese encephalitis and SARS. Additional information about Sinovac is available on its website, http://www.sinovac.com . To be added to our distribution list, please email: info@sinovac.com.

Safe Harbor Statement

This announcement contains forward-looking statements. These statements are made under the "safe harbor" provisions of the U.S. Private Securities Litigation Reform Act of 1995. These forward-looking statements can be identified by words or phrases such as "will," "expects," "anticipates," "future," "intends," "plans," "believes," "estimates" and similar statements. Among other things, the business outlook and quotations from management in this press release contain forward-looking statements. Statements that are not historical facts, including statements about Sinovac'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. Sinovac does not undertake any obligation to update any forward-looking statement, except as required under applicable law.

    For more information, please contact:

     Contact Information:

      Helen G. Yang

      Sinovac Biotech Ltd.

      Tel:   +86-10-8289-0088 Ext. 871

      Fax:   +86-10-6296-6910

      Email: info@sinovac.com

     Investors/Media:

     Stephanie Carrington/Janine McCargo

      The Ruth Group

      Tel:   +1-646-536-7017/7033

      Email: scarrington@theruthgroup.com

             jmccargo@theruthgroup.com

About SINOVAC

Sinovac Biotech Ltd. (SINOVAC) is a China-based biopharmaceutical company that focuses on the research, development, manufacturing, and commercialization of vaccines that protect against human infectious diseases.

SINOVAC's product portfolio includes vaccines against COVID-19, enterovirus 71 (EV71) infected Hand-Foot-Mouth disease (HFMD), hepatitis A and B, seasonal influenza, pneumococcal disease, H5N1 pandemic influenza (avian flu), H1N1 influenza (swine flu), varicella, mumps, and poliomyelitis.

SINOVAC's COVID-19 vaccine, CoronaVac®, has been approved for use in more than 60 countries and regions worldwide. The Healive®, a hepatitis A vaccine manufactured by the Company, passed the assessment under WHO prequalification procedures in 2017. The EV71 vaccine, Inlive®, is an innovative vaccine, that was commercialized in China in 2016. In 2022, SINOVAC's Sabin-strain inactivated polio vaccine (sIPV) was prequalified by WHO.

SINOVAC was the first company that granted approval for its H1N1 influenza vaccine Panflu.1®, which has supplied to the Chinese Government's vaccination campaign and stockpiling program. The Company is also the only supplier of the H5N1 pandemic influenza vaccine, Panflu®, to the Chinese government stockpiling program.

SINOVAC has been continually dedicating itself to new vaccine research and development, with more combination vaccine products in the pipeline, and constantly exploring opportunities in the international market. SINOVAC looks forward to conducting more extensive and in-depth trade and cooperation with more countries, enterprises, and professional institutions.

For more information, please see the Company’s website at www.sinovac.com.

Contacts

Sinovac Biotech Ltd.

Helen Yang

+86-10-8279-9871 or

+86-10-5693-1897

Fax: +86-10-6296-6910

ir@sinovac.com

ICR Inc.

Bill Zima

U.S.: 1-646-308-1707

william.zima@icrinc.com