On July 5, 2020, Brian Stuglik was appointed to the Board of Directors of Puma Biotechnology, Inc. Mr. Stuglik will serve on the Board for a term expiring at the 2021 Annual Meeting of Stockholders and until his successor is duly elected and qualified, or until his earlier death, resignation or removal. In connection with his appointment to the Board, Mr. Stuglik was also appointed to the Commercial Committee of the Board (the “Commercial Committee”). Mr. Stuglik has served as the Chief Executive Officer of Verastem, Inc., since July 2019 and as a member of its Board of Directors since September 2017. On July 6, 2020, Frank E. Zavrl notified the Company of his decision to resign from the Board, effective immediately.