Entegris will report its fourth quarter 2025 financial results before market open on Tuesday, February 10, 2026. A live teleconference with President and CEO Dave Reeder and CFO Linda LaGorga is set for 8:00 a.m. Eastern Time the same day. Investors and analysts should dial +1 833-316-1983 or +1 785-838-9310 and reference Conference ID ENTGQ425, logging in 5–10 minutes early. A live webcast, replay and accompanying slide presentation will be available on the Investor Relations section of www.entegris.com following the call.

Effective February 28, 2026, CFO Linda LaGorga will step down by mutual agreement and serve as Senior Advisor through May 15 to ensure continuity. Mike Sauer, VP, Controller and Chief Accounting Officer, will assume Interim CFO responsibilities on March 1 while maintaining his existing role. Sauer brings 37 years of finance and accounting experience at Entegris, including 13 years as Controller and Chief Accounting Officer, prior service as Corporate Controller and Director of Treasury and Risk Management, and tenure in various senior finance positions. The company has engaged a leading executive search firm to identify a permanent CFO.

In conjunction with the CFO transition announcement, Entegris reaffirmed the guidance issued on October 30, 2025 for the fourth quarter. Management underscored that underlying market dynamics in semiconductor materials and process solutions remain consistent with prior forecasts, reflecting stable demand in advanced packaging, deposition and purification segments. Investors are reminded that Entegris employs approximately 8,000 employees worldwide, holds ISO 9001 certification and operates manufacturing, customer service and research facilities in the United States, Canada, China, Germany, Israel, Japan, Malaysia, Singapore, South Korea and Taiwan.