Zymeworks Announces Election of Directors and Voting Results from Shareholder Meeting

Zymeworks Inc. (NYSE: ZYME), a clinical-stage biopharmaceutical company developing multifunctional biotherapeutics, is pleased to announce the detailed voting results on the items of business considered at its Annual General Meeting of Shareholders held on May 7, 2020 (the "Meeting").

Shareholder Voting Results

The Shareholders voted on the following matters at this year's Meeting.

Proposal 1 ? Election of Directors

The nominees listed in Zymeworks' proxy statement dated March 23, 2020 (the "Proxy Statement") were elected as Directors of the Company. Detailed results of the votes are set out below:

Proposal 2 ? Advisory Vote on Executive Compensation

The Shareholders approved, on an advisory basis, the compensation of the Company's named executive officers. Detailed results of the votes are set out below:

Proposal 3 ? Advisory Vote on Frequency of Advisory Vote on Executive Compensation

The Shareholders selected, on an advisory basis, every year as the preferred frequency of holding future advisory votes on the compensation of the Company's named executive officers. Detailed results of the votes are set out below:

Proposal 4 ? Appointment of Auditors

The vote was carried for the appointment of the Auditors, KPMG LLP. Detailed results of the votes are set out below:

Full details of all proposals are fully described in the Proxy Statement available on the Company's profile on SEDAR at www.sedar.com, and on EDGAR at www.sec.gov, and the detailed results of voting on each proposal are included in the Report of Voting Results filed on SEDAR and on EDGAR.

About Zymeworks Inc.

Zymeworks is a clinical-stage biopharmaceutical company dedicated to the development of next-generation multifunctional biotherapeutics. Zymeworks' suite of therapeutic platforms and its fully integrated drug development engine enable precise engineering of highly differentiated product candidates. Zymeworks' lead clinical candidate, ZW25, is a novel Azymetrictm bispecific antibody currently in Phase 2 clinical development. Zymeworks' second clinical candidate, ZW49, is a bispecific antibody-drug conjugate currently in Phase 1 clinical development and combines the unique design and antibody framework of ZW25 with Zymeworks' proprietary ZymeLinktm linker-cytotoxin. Zymeworks is also advancing a deep preclinical pipeline in oncology (including immuno-oncology agents) and other therapeutic areas. In addition, its therapeutic platforms are being leveraged through strategic partnerships with nine biopharmaceutical companies. For more information, visit www.zymeworks.com.