On July 8, 2019, the Board of Directors of Deciphera Pharmaceuticals, Inc., upon the recommendation of the Nominating and Corporate Governance Committee, appointed Susan L. Kelley, M.D. to the Board, effective July 8, 2019. Dr. Kelley will serve as a Class II director of the Company, to hold office until the date of the annual meeting of stockholders following the year ending December 31, 2021 or until her earlier death, resignation or removal. Dr. Kelley was also appointed to the Board’s Compensation Committee. Dr. Kelley will serve as a member of the Board as of July 8, 2019. She also serves as a member of the board of directors of ArQule, Inc., Daré Bioscience, Inc. (formerly Cerulean Pharma, Inc.) and Vascular Biogenics Ltd.