Resources

Shareholder Letters
Press Releases
Presentations
Replay Adjourned Special Meeting
Dissenting Investor Group Lawsuits
SINOVAC Lawsuit Responses
SINOVAC Filings
Timeline

Shareholder Letters

Final Reminder for SINOVAC Shareholders to Vote the WHITE Proxy Card “AGAINST” Misguided Proposals 1 and 2
July 7, 2025
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SINOVAC Board of Directors Urges Shareholders to Vote the WHITE Proxy Card “AGAINST” the Misguided Proposals to Remove SINOVAC’s Current Board
June 30, 2025
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SINOVAC’s Board of Directors Issues a Letter to Shareholders Outlining Clear Pathway to Restore Fairness and Deliver Value to All Shareholders
June 12, 2025
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SINOVAC Board Issues Letter to Shareholders to Set the Record Straight on the Hostile Actions and False Claims by Vivo Capital
April 29, 2025
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Press Releases

SINOVAC Board Sets the Record Straight on July 8 Special Meeting of Shareholders
July 11, 2025
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SINOVAC Board of Directors Strongly Denounces Deceptive and Illegal Claims by SAIF and the Imposter Former Board
July 9, 2025
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SINOVAC Board of Directors Provides Update on Status of US$55.00 Special Cash Dividend Payment
July 9, 2025
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SINOVAC Board of Directors Announces Adjournment of Special Meeting of Shareholders Until Appropriate Court Can Make a Final Decision on the Validity of the PIPE Shares
July 9, 2025
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Federal Court in Massachusetts Denies Vivo Capital’s Petition for Relief on SINOVAC
July 7, 2025
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Leading Independent Proxy Advisory Firm ISS Joins Glass Lewis in Recommending Shareholders Vote to Keep the Current SINOVAC Board in Place
July 3, 2025
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Leading Independent Proxy Advisory Firm Glass Lewis Recommends SINOVAC Shareholders Vote to Keep the Current Board in Place
July 2, 2025
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SINOVAC Board of Directors Prevails Against Advantech/Prime’s Lawsuit in Hong Kong
June 27, 2025
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SINOVAC Board of Directors Files Investor Presentation Outlining Decisive Actions to Protect Shareholder Interests
June 24, 2025
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SINOVAC Board of Directors Prevails Against Advantech/Prime’s New York Lawsuit
June 20, 2025
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SINOVAC Board of Directors Files Definitive Proxy Materials
June 18, 2025
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SINOVAC Announces New Board Member
June 18, 2025
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SINOVAC Board of Directors Provides Update on Special Dividend Payment and Commitment to Delivering Value to All Shareholders
June 17, 2025
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SINOVAC Board of Directors Alerts Shareholders to Advantech/Prime Success’ New Lawsuit, Which Threatens to Prevent Payment of US$55.00 Special Dividend to All Valid Shareholders
June 16, 2025
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SINOVAC Announces Record and Distribution Dates for Special Cash Dividend
April 30, 2025
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SINOVAC Announces Decision to Declare Cash Dividend
April 1, 2025
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SINOVAC Announces New Board Member and Chairman of the Audit Committee
March 28, 2025
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SINOVAC Announces New Board Pursuant to Privy Council Judgment and Order
February 28, 2025
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SINOVAC Issues Statement Regarding Privy Council Judgement
January 16, 2025
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Presentations

SINOVAC Investor Presentation
June 24, 2025
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Adjourned Special Meeting Replay

At the July 8, 2025 Special Meeting, SINOVAC Chairman Chiang Li validly adjourned the meeting. SAIF and the Imposter Former Board did NOT have the authority or any legal basis to “reconvene” the Special Meeting following the valid adjournment.

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Sinovac Biotech Ltd. Special Meeting of Shareholders Transcript
July 8, 2025
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Sinovac Biotech Ltd. Special Meeting of Shareholders Replay
July 8, 2025
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Dissenting Investor Group Lawsuits

While publicly they’re championing the dividend, privately they are opposing it with multiple frivolous lawsuits.

Advantech/Prime Success v. SINOVAC and Others - Memo of Law
June 12, 2025
Prime Success’ brief in support of its petition for emergency injunctive relief against SINOVAC, et al., naming as relief parties Cede & Co., The Depository Trust Company, and Equiniti (the dividend paying agent retained by the SINOVAC Board), which may prevent the SINOVAC Board from paying the US$55.00 special dividend as scheduled on or about July 9, 2025.
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Advantech/Prime Success v. SINOVAC and Others - Petition
June 12, 2025
Prime Success’ petition for emergency injunctive relief against SINOVAC, et al., naming as relief parties Cede & Co., The Depository Trust Company, and Equiniti (the dividend paying agent retained by the SINOVAC Board), which may prevent the SINOVAC Board from paying the US$55.00 special dividend as scheduled on or about July 9, 2025.
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Vivo Capital v. SINOVAC, 1Globe, OrbiMed entities, and SINOVAC Current and Former Directors
April 22, 2025
Vivo Capital’s complaint for alleged breach of fiduciary duties regarding the announced dividend and actions taken by the current board regarding Vivo’s purported PIPE shares.
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Vivo Capital v. OrbiMed
April 14, 2025
Vivo Capital’s complaint for alleged violations of the securities laws in New York federal court.
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Vivo Capital v. 1Globe Capital and Dr. Chiang Li
April 14, 2025
Vivo Capital’s complaint for alleged violations of the securities laws in Massachusetts federal court.
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SINOVAC Lawsuit Responses

Advantech/Prime Success v. SINOVAC and Others - Brief in Opposition
June 16, 2025
SINOVAC, et al. opposed Prime Success’ petition for emergency injunctive relief, arguing that Prime Success’ claims lack merit and that its gamesmanship and forum shopping are part of its tactics in a prolonged, multi-year attempt to gain control of SINOVAC and its substantial assets.
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SINOVAC Filings

Proxy Statement - see p. 15 for current director bios
June 18, 2025
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Notice of Special Meeting of Shareholders
May 19, 2025
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All SINOVAC SEC Filings
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Timeline

Chronology of Key Facts and Issues
June 23, 2025
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