Sinovac to Host Conference Call to Report First Quarter 2009 Financial Results

2009-05-11

Sinovac to Host Conference Call to Report First Quarter 2009 Financial Results

On Friday May 8, 2009, 12:31 pm EDT

BEIJING, May 8 /PRNewswire-FirstCall/ -- Sinovac Biotech Ltd. (Amex: SVA - News), a leading provider of vaccines in China, today announced that it will host a conference call on Friday, May 15, 2009 at 9:00 a.m. ET to review the Company's first quarter financial results for the period ended March 31, 2009 and provide an update on recent corporate developments.

To access the conference call, please dial 1-877-407-4018 (USA) or 1-201-689-8471 (international). A replay of the call will be available from 12:00 p.m. ET on May 15, until May 29, 2009 at midnight. To access the replay, please dial 1-877-660-6853 (USA) or 1-201-612-7415 (international) and reference the account number 3055 and the access code 322891.

A live audio webcast of the call will also be available from the Investors section on the corporate web site at www.sinovac.com. A webcast replay can be accessed on the corporate website beginning May 15, 2009 and the replay will remain available for 30 days.

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 commercialized vaccines include Healive® (hepatitis A), Bilive® (combined hepatitis A and B), and Anflu® (influenza). Panflu(TM), Sinovac's pandemic influenza vaccine (H5N1), has already been approved for government stockpiling. Sinovac is developing vaccines for Enterovirus 71, Universal Pandemic Influenza, Japanese encephalitis vaccine, and Human Rabies vaccine. Its wholly-owned subsidiary, Tangshan Yian, is conducting field trials for independently developed inactivated animal rabies vaccines.

Contact Information: Investors:

Helen G. Yang Amy Glynn/Sara Ephraim

Sinovac Biotech Ltd. The Ruth Group

Phone: +86-10-82890088 Ext. 871 (646) 536-7023/7002

Fax: +86-10-62966910 aglynn@theruthgroup.com

Email: info@sinovac.com sephraim@theruthgroup.com

Media:

Janine McCargo

The Ruth Group

(646) 536-7033

jmccargo@theruthgroup.com

About SINOVAC

Sinovac Biotech Ltd. (SINOVAC) is a China-based global biopharmaceutical company, with a mission of "supply vaccines to eliminate human diseases", the company specializes in the research, development, manufacturing and commercialization of vaccines and related biological products that protect against human infectious diseases.

The company's diversified portfolio includes vaccines for influenza, viral hepatitis, varicella, Hand-Foot-Mouth disease (HFMD), poliomyelitis, pneumococcal disease, etc., of which 3 vaccines have been prequalified by WHO, including inactivated hepatitis A vaccine Healive®, Sabin-strain inactivated polio vaccine (sIPV), and varicella vaccine.

SINOVAC has a leading edge in developing vaccines to combat infectious disease outbreaks and was among the first to initiate R&D during major public health emergencies, including SARS, H5N1, H1N1, and COVID-19. The company developed the world's first inactivated SARS vaccine (Phase I completed), China's first H5N1 influenza vaccine (Paneflu®), the world's first H1N1 influenza vaccine (Panflu.1®), and CoronaVac®, the most widely used inactivated COVID-19 vaccine globally.

Beyond its marketed portfolio, the company is advancing a robust pipeline that includes combination vaccines,recombinant protein vaccines and next-generation platforms such as mRNA technologies and antibodies.

With a long-standing commitment to innovation and global health, SINOVAC is expanding its global footprint by strengthening partnerships with research institutions, international organizations, and local partners. Through broader market presence, technological cooperation, and localized production, the company aims to accelerate vaccine development and supply, enhance regional access to high-quality products, and better address unmet medical needs while improving preparedness for future pandemics.

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