On May 11, 2020, Mateon Therapeutics, Inc. appointed Steven W. King and Anthony E. Maida, III to the Board of Directors effective that same date. Mr. King and Dr. Maida will serve until the company's next annual meeting of stockholders or until their successors are duly elected and qualified. Mr. King previously served as the Chief Executive Officer of Peregrine Pharmaceuticals, Inc. Maida is currently a member of the board of directors and audit chair of Spectrum Pharmaceuticals, Inc.