Entegris will report its financial results for the fourth quarter of 2025 before the market opens on Tuesday, February 10, 2026. A live teleconference with management is set for that same day at 8:00 a.m. Eastern Time. Participants should dial +1 833-316-1983 or +1 785-838-9310 and reference Conference ID: ENTGQ425, logging in five to ten minutes before the start. A live webcast and replay will be available via the company’s Investor Relations website. This quarterly report follows the company’s third-quarter guidance issued on October 30, 2025, and will include consolidated revenue trends, segment performance metrics and an updated outlook for the semiconductor and high-tech materials markets.

Effective February 28, 2026, Chief Financial Officer Linda LaGorga will step down by mutual agreement and transition into a Senior Advisor role through May 15, 2026, to ensure continuity in the finance function. On March 1, 2026, Mike Sauer, currently Vice President, Controller and Chief Accounting Officer, will assume the duties of Interim CFO while retaining his existing responsibilities. With 37 years at Entegris—including 13 years overseeing controller and accounting operations—Sauer will guide the company’s financial strategy during a comprehensive search for a permanent CFO, supported by a leading executive search firm. President and CEO Dave Reeder thanked Ms. LaGorga for her contributions in fortifying the company’s financial foundation and affirmed confidence in Sauer’s deep institutional and industry expertise.