Zymeworks Inc. effective March 31, 2024 (the Separation Date), Zymeworks Inc. (the Company) removed Dr. Christopher Astle from the positions of Senior Vice President, including as the Company?s principal financial officer and principal accounting officer. Over the last two years in his position as Senior Vice President and Chief Financial Officer, Dr. Astle helped with the reset of the Company and to put the Company in a strong financial position, and the Company thanks him for his service.