Deciphera Pharmaceuticals, Inc. announced that the Company?s Founder, Executive Vice President, and Chief Scientific Officer, Daniel L. Flynn, Ph.D., will retire effective September 5, 2023 and will transition to a role as Senior Advisor to the Company. Dashyant Dhanak, Ph.D., has been appointed Executive Vice President and Chief Scientific Officer effective September 5, 2023. Dr. Dhanak brings over 30 years of experience in pharmaceutical research and development and joins Deciphera from Incyte Corporation where he was Executive Vice President and Chief Scientific Officer.

Prior to Deciphera, Dr. Dhanak served as Chief Scientific Officer and Executive Vice President at Incyte Corporation. Before joining Incyte in 2018, Dr. Dhanak was Vice President and Head of Discovery Sciences at Janssen Research & Development, and previously spent 25 years at GlaxoSmithKline in positions of increasing responsibility across multiple disease areas, including his final role as Vice President and Head of the Cancer Epigenetics Discovery Performance Unit. Dr. Dhanak received a B.Sc.

in Chemistry from the University of Manchester Institute of Science and Technology and a Ph.D. from the University of London. He completed his postdoctoral research in Natural Product Synthesis at Northwestern University. In addition, the Company announced that Ron Squarer has been appointed Chairperson of the Board of Directors.

Mr. Squarer has over 30 years of experience in the pharmaceutical and biotechnology industry and joined Deciphera as a Director in December 2019. Mr. Squarer served as Chief Executive Officer and a member of the board of directors of Array BioPharma, Inc. from 2012 until its acquisition by Pfizer Inc. in August 2019 following the successful commercial launches of both Braftovi® and Mektovi®. James A. Bristol, Ph.D., who has served as either Chairperson or Co-Chairperson since 2007, will remain a Board member of Deciphera.