[SINOVAC BIOTECH LTD. CONSOLIDATED FINANCIAL STATEMENTS (Expressed in U.S. Dollars) (Unaudited) September 30 , 2009 Index Consolidated Balance Sheets Consolidated Statement of Changes in Stockholders’ Equity Consolidated Statements of Income and Comprehensive Income Consolidated Statements of Cash Flows Notes to Consolidated Financial Statements SINOVAC BIOTECH LTD. Consolidated Balance Sheets (Unaudited) (Expressed in U.S. Dollars) September 30, December 31, 2009 2008] [1 -32371 SINOVAC BIOTECH LTD. 39 Shangdi Xi Road Haidian District Beijing 100085, People’s Republic of China Form 20-F x Form 40-F o o o Submission of Financial Statements We are including in this Current Report on Form 6-K our unaudited consolidated financial statements for the three months and nine months ended September 30, 2008 and 2009 and as of]

[Sinovac Reports Unaudited Third Quarter 2009 Financial Results - Conference call scheduled Monday, November 16, 2009 at 9:00 a.m. ET - BEIJING, Nov. 15 /PRNewswire-Asia/ — Sinovac Biotech Ltd. (Nasdaq: SVA), a leading developer and provider of vaccines, announced today its unaudited financial results for the three-month and nine-month periods ended September 30, 2009. Financial Highlights · Sales for the] [SINOVAC BIOTECH LTD. No. 39 Shangdi Xi Road Haidian District Beijing 100085, People’s Republic of China Form 20-F x Form 40-F o o o SINOVAC BIOTECH LTD.]