Zymeworks (ZYME) Proxy filing summary

Executive summary

• Annual meeting scheduled for December 30, 2025, at 9:00 a.m. Pacific Time, to be held virtually via the Internet.

• Proxy materials, including the Notice, Proxy Statement, and Annual Report on Form 10-K, are available online for review and voting.

• Shareholders are encouraged to review all proxy materials before voting and can request paper or email copies at no cost.

Voting matters and shareholder proposals

• Election of three directors: Carlos Campoy, Alessandra Cesano, and Robert E. Landry.

• Advisory vote on the compensation of named executive officers.

• Ratification of KPMG LLP as auditors for the year ending December 31, 2025.

• Board recommends voting FOR all nominees and proposals.

Board of directors and corporate governance

• Board of Directors has nominated three individuals for election at the annual meeting.

• Recommendations and voting instructions are provided to ensure shareholder participation.