ENTG: Leadership change

Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers. On May 9, 2026, Entegris, Inc. (the "Company") entered into a Transition Agreement and Release (the “Agreement”) with Daniel Woodland, the Company’s Senior Vice President and President, Materials Solutions, pursuant to which Mr. Woodland will retire from the Company on June 1, 2026 (the "Retirement Date"). Olivier Blachier, who currently serves as the Company’s Senior Vice President, Chief Strategy and Innovation Officer, will succeed Mr. Woodland as the Company’s President, Materials Solutions, effective June 1, 2026, and will retain his role as Senior Vice President, Chief Innovation Officer. Pursuant to the Agreement, Mr. Woodland will continue to receive his current base salary until the Retirement Date and will be entitled to receive a prorated payment under the Company’s short-term incentive compensation plan for 2026, if earned, payable at the same time as all other Company participants. The Agreement also provides a general release of claims in favor of the Company and its affiliates. In connection with Mr. Woodland’s retirement, and consistent with the terms of each applicable award agreement, subject to continued compliance with post-departure restrictive covenants and the non-revocation of the release of claims in favor of the Company, Mr. Woodland’s annual long-term equity incentive awards granted in 2022, 2023, 2024 and 2025 will continue to vest in accordance with the vesting schedule set forth in the applicable award agreement (or, for performance share units, remain outstanding subject to attainment of the applicable performance metrics). Pursuant to the terms of each applicable award agreement, Mr.