SVA [SINOVAC BIOTECH] 8-A12B/A: W ashington FORM 8-A Amendment No. 1 FOR
[W ashington FORM 8-A Amendment No. 1 FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES SINOVAC BIOTECH LTD. Antigua, West Indies Not Applicable (State or other jurisdiction (I.R.S. Employer Identification of incorporation or organization) Number) No. 39 Shangdi Xi Road, Haidian District, Beijing 100]