Sinovac Receives Tender to Supply Seasonal Flu Vaccine in Beijing

BEIJING, Sept. 14, 2015 /PRNewswire/ -- Sinovac Biotech Ltd. (NASDAQ: SVA), a leading provider of biopharmaceutical products in China, today announced that it has been selected by the Beijing government to be a supplier of the seasonal influenza vaccine for its 2015 vaccination campaign.

The Beijing government plans to order a minimum of 1.2 million doses of the seasonal flu vaccine from four manufacturers for its 2015 campaign. The exact quantity of doses to be ordered will depend on demand during the flu season. During the 2014 campaign, a total of 1.37 million doses of the flu vaccine were administered, of which Sinovac supplied 400,000 doses. Sinovac expects to begin delivering vaccines for the 2015 tender in the third quarter of 2015.

Mr. Weidong Yin, Chairman, President and CEO of Sinovac, commented, "We are pleased to be selected once again by the Beijing government to supply seasonal flu vaccines for Beijing citizens. This vaccination campaign is an important step in protecting geriatric and school-age populations from influenza."

The Beijing government began purchasing seasonal flu vaccines in 2007 to prevent and control the spread of influenza among populations most susceptible to complications from the virus. Each year, the Beijing government evaluates potential suppliers on product quality, service and price, among other factors.

About Sinovac

Sinovac Biotech Ltd. 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 hepatitis A and B, seasonal influenza, H5N1 pandemic influenza (avian flu), H1N1 influenza (swine flu), mumps and canine rabies. In 2009, Sinovac was the first company worldwide to receive approval for its H1N1 influenza vaccine, which it 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 to the government stockpiling program. Sinovac has filed a new drug application with the China Food & Drug Administration for its proprietary enterovirus 71 vaccine, having been proven effective in preventing hand, foot and mouth disease in infants and children during its Phase III clinical trial. The Company is currently developing a number of new products including a Sabin-strain inactivated polio vaccine, pneumococcal polysaccharides vaccine, pneumococcal conjugate vaccine and varicella vaccine. Sinovac primarily sells its vaccines in China, while also exploring growth opportunities in international markets. The Company has exported select vaccines to Mexico, Mongolia, Nepal, and the Philippines, and was recently granted a license to commercialize its hepatitis A vaccine in Chile. For more information, please visit the Company's website at www.Sinovac.com.

Contact

Sinovac Biotech Ltd.
Helen Yang
Tel: +86-10-8279-9871
Fax: +86-10-6296-6910
Email: ir@sinovac.com

ICR Inc.
Bill Zima
U.S: +1 (646) 308-1707
Email: william.zima@icrinc.com

Katherine Knight
Phone: +1 (646) 277-1276
Email: katherine.knight@icrinc.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.