SVA [SINOVAC BIOTECH] SC 13E3/A: Sinovac Biotech Ltd. , 2018 Shareholders of Sinovac
[Sinovac Biotech Ltd. , 2018 Shareholders of Sinovac Biotech Ltd. Re: Notice of Special Meeting of Shareholders Dear Shareholder: Company You are cordially invited to attend a special meeting of shareholders of Sinovac Biotech Ltd. (the “ Amalgamation Agreement Parent Amalgamation Sub Amalgamation Su]