On April 4, 2020, Rajiv L. Gupta notified the Board of Directors of Howmet Aerospace Inc. that he will not stand for re-election and will retire from the Board effective as of the date of the company’s 2020 Annual Meeting of Shareholders. On April 8, 2020, Sean O. Mahoney notified the Board that he will not stand for re-election and will retire from the Board effective as of the date of the company’s 2020 Annual Meeting of Shareholders.