Management Change/Compensation (Form 8-K)

(b) On November 4, 2025, Alan Campbell, who currently serves as chair of the board of directors (the "Board") of ON Semiconductor Corporation (the "Company"), gave notice of his intent to retire from the Board and its committees effective at the end of his current term, which expires immediately prior to the 2026 annual meeting of stockholders (the "2026 Annual Meeting"). The 2026 Annual Meeting is currently scheduled for May 14, 2026. Mr. Campbell, who informed the Company that his decision to retire was not a result of any disagreement with the Company on any matter relating to the Company's operations, policies or practices, will continue to serve as chair of the Board until his retirement. To ensure continuity of Board leadership through and after the 2026 Annual Meeting, the Board has appointed Thomas L. Deitrich to succeed Mr. Campbell as chair of the Board, assuming Mr. Deitrich's renomination and reelection. The Company and the Board thank Mr. Campbell for his many years of service and board leadership.