[Sinovac Adjourns 2008 Annual General Meeting BEIJING, July 16 /PRNewswire-Asia/ -- Sinovac Biotech Ltd. (NYSE Amex: SVA), a leading developer and provider of vaccines in China, announced today that its Annual General Meeting originally scheduled for July 16, 2009 has been adjourned to July 30, 2009. At the July 16, 2009 Annual General Meeting, the required quorum of a majority] [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 RECEIVES REVISED APPROVALS FOR PANFLU Extension of Eligible Age Group Enables Sinovac to Cover Larger Part of Population Increased Panflu Dosage to 1mL per Vial Expands Filling and Packaging Capacity BEIJING, June 29 /PRNewswire-Asia/ -- Sinovac Biotech Ltd. (NYSE Amex: SVA), a leading developer and provider of vaccines in China, announced today that it has received a revised Drug] [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]