A. Bruce Montgomery, M.D. joined our Board in March 2015. Dr. Montgomery has more than 30 years of drug development, operations and financing experience, including positions at Genentech, Inc., Pathogenesis Corporation, Corus Pharma and Gilead Sciences, Inc. (“Gilead”). From February 2017 to October 2022, he served as Chief Executive Officer and a member of the board of directors of Avalyn Pharma Inc. (formerly Genoa Pharmaceuticals Inc.), a private biotechnology company. From April 2011 to December 2016, he was Chief Executive Officer and a member of the board of directors of Cardeas Pharma Corporation, a private biotechnology company that he founded in 2010. From August 2006 to May 2011, Dr. Montgomery served as Senior Vice President of Gilead and prior to that, served for six years as Chief Executive Officer of Corus Pharma, Inc., a specialized biotechnology company that he founded, which was acquired by Gilead in 2006. While at Gilead, Dr. Montgomery successfully led the development of CAYSTON® as a treatment for cystic fibrosis patients. Dr. Montgomery also served as Executive Vice President of Research and Development at PathoGenesis Corporation until its acquisition by Chiron Corporation in 2000. Dr. Montgomery previously served as a board member for the following publicly traded companies: ZymoGenetics, Inc. (acquired by Bristol-Myers Squibb Company in 2010), Alder BioPharmaceuticals, Inc. (acquired by Lundbeck A/S in 2019) and Cytodyn, Inc. Dr. Montgomery is a board-certified internist and pulmonologist. Dr. Montgomery received his B.S. in chemistry (magna cum laude, Outstanding Chemistry Major (Merck Award)), and M.D. (Alpha Omega Alpha Honor Medical Society) from the University of Washington, Seattle. We believe that Dr. Montgomery’s executive leadership experience in pharmaceutical and biotechnology company drug development and his educational background qualify him to serve on our Board.

Bassil I. Dahiyat, Ph.D. has served as our President and Chief Executive Officer since February 2005 and as a member of our Board since August 1997. Dr. Dahiyat has more than 25 years of experience in the biotechnology business, having co-founded Xencor in 1997. From 1997 to 2003, he served as our Chief Executive Officer, and from 2003 to 2005, served as our Chief Scientific Officer. Dr. Dahiyat currently serves on the board of directors of Kodiak Sciences Inc., a publicly traded biopharmaceutical company. In 2017, Dr. Dahiyat was awarded the Ernst & Young Entrepreneur of the Year in Technology for the Los Angeles Region and in 2005 was recognized as a technology pioneer by the World Economic Forum. Additionally, Dr. Dahiyat was named one of 2003’s Top 100 Young Innovators by MIT’s Technology Review magazine for his work on protein design and its development for therapeutic applications and has received awards from the American Chemical Society, the Controlled Release Society and the California Institute of Technology. Dr. Dahiyat holds a Ph.D. in chemistry from the California Institute of Technology and B.S. and M.S.E. degrees in biomedical engineering from Johns Hopkins University. We believe that Dr. Dahiyat’s experience in the pharmaceutical industry and as one of our founders qualifies him to serve on our Board.