0001193125-22-225295 Sample Contracts

RESTATED AND AMENDED TRANSACTION AGREEMENT BY AND AMONG ZYMEWORKS DELAWARE INC. ZYMEWORKS CALLCO ULC ZYMEWORKS EXCHANGECO LTD. AND ZYMEWORKS INC. DATED AS OF AUGUST 18, 2022

Transaction Agreement • August 19th, 2022 • Zymeworks Inc. • Pharmaceutical preparations • British Columbia

• Contract Type
  Transaction Agreement
• Filed
  August 19th, 2022
• Company
  Zymeworks Inc.
• Industry
  Pharmaceutical preparations
• Jurisdiction
  British Columbia

THIS RESTATED AND AMENDED TRANSACTION AGREEMENT (this “Agreement”), dated as of August 18, 2022, is made by and among ZYMEWORKS DELAWARE INC., a Delaware corporation (“Parent”), ZYMEWORKS CALLCO ULC, a British Columbia unlimited liability company and a direct, wholly-owned subsidiary of Parent (“CallCo”), ZYMEWORKS EXCHANGECO LTD., a British Columbia corporation and a direct, wholly-owned subsidiary of CallCo (“ExchangeCo”), and ZYMEWORKS INC., a British Columbia company (“Zymeworks”). Parent, CallCo, ExchangeCo and Zymeworks are referred to collectively as the “Parties” and each as a “Party”.