[Sinovac Wins Beijing Public Health Bureau's Bid to Supply Seasonal Flu Vaccine Anflu(R) to Beijing Citizens BEIJING, Aug. 28 /PRNewswire-Asia/ -- Sinovac Biotech Ltd. (NYSE: SVA), a leading provider of biopharmaceutical products in China, announced today that the Beijing Public Health Bureau has selected Sinovac as one of the four manufacturers to supply Anflu(R), Sinovac's seasonal influenza vaccine, for the] [FORM 6-K __________ __________ SINOVAC BIOTECH LTD. 39 Shangdi Xi Road Haidian District Beijing 100085, People’s Republic of China X Form 20-F X Yes _______ No N/A 82- SINOVAC BIOTECH LTD. Form 6-K TABLE OF CONTENTS Page 3 4]

[Sinovac to Present at 2009 UBS Global Life Sciences Conference BEIJING, Sept. 16 /PRNewswire-Asia/ -- Sinovac Biotech Ltd. (NYSE: SVA), a leading provider of biopharmaceutical products in China, announced today that Mr. Weidong Yin, Chairman, President & CEO, will present at the 2009 UBS Global Life Sciences Conference in New York City. The presentation is scheduled for Tuesday, September 22,] [FORM 6-K __________ __________ SINOVAC BIOTECH LTD. 39 Shangdi Xi Road Haidian District Beijing 100085, People’s Republic of China X Form 20-F X Yes _______ No N/A 82- SINOVAC BIOTECH LTD. Form 6-K TABLE OF CONTENTS Page 3 4]

[Sinovac Obtains Lot Release Certificate for Its First Batch of H1N1 Vaccine BEIJING, Sept. 8 /PRNewswire-Asia/ -- Sinovac Biotech Ltd. (NYSE Amex: SVA), a leading provider of vaccines in China, today announced that the first lot of PANFLU.1, its H1N1 vaccine, has passed the lot release process of China's National Institute for the Control of Pharmaceutical and Biological Products and] [FORM 6-K __________ __________ SINOVAC BIOTECH LTD. 39 Shangdi Xi Road Haidian District Beijing 100085, People’s Republic of China X Form 20-F X Yes _______ No N/A 82- SINOVAC BIOTECH LTD. Form 6-K TABLE OF CONTENTS Page 3 4]

[Sinovac Obtains Initial Order of H1N1 Vaccine from Chinese Central Government BEIJING, Sept. 4 /PRNewswire-Asia/ -- Sinovac Biotech Ltd. (NYSE: SVA), a leading provider of biopharmaceutical products in China, announced today that the Ministry of Industry and Information Technology of the People's Republic of China has issued the initial order to Sinovac to purchase H1N1 vaccine for the national stockpiling] [FORM 6-K __________ __________ SINOVAC BIOTECH LTD. 39 Shangdi Xi Road Haidian District Beijing 100085, People’s Republic of China X Form 20-F X Yes _______ No N/A 82- SINOVAC BIOTECH LTD. Form 6-K TABLE OF CONTENTS Page 3 4]

[Sinovac Obtains Production License for H1N1 Vaccine BEIJING, Sept. 3 /PRNewswire-Asia/ -- Sinovac Biotech Ltd. (NYSE: SVA), a leading provider of biopharmaceutical products in China, announced today that the State Food and Drug Administration (SFDA) has approved the registration application for PANFLU.1, Sinovac's H1N1 vaccine, and has issued Sinovac a production license for this vaccine. Following top-line results which showed] [FORM 6-K __________ __________ SINOVAC BIOTECH LTD. 39 Shangdi Xi Road Haidian District Beijing 100085, People’s Republic of China X Form 20-F X Yes _______ No N/A 82- SINOVAC BIOTECH LTD. Form 6-K TABLE OF CONTENTS Page 3 4]