Entegris, Inc. (NASDAQ:ENTG), a global leader in advanced materials and purity solutions for the semiconductor industry, today announced it will hold its Investor Day for the investment community in New York City on Monday, November 9, 2026. The event will begin promptly at 1:00pm ET. Scheduled participants will include David Reeder, President and CEO, Sukhi Nagesh, SVP & CFO, as well as additional senior leadership.

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A webcast of the event can also be viewed live on our website at investor.entegris.com.

ABOUT ENTEGRIS

Entegris is a leading supplier of advanced materials and process solutions for the semiconductor and other high-tech industries. Entegris has approximately 7,700 employees throughout its global operations and is ISO 9001 certified. It has manufacturing, customer service and/or research facilities in the United States, Canada, China, Germany, Israel, Japan, Malaysia, Singapore, South Korea, and Taiwan. Additional information can be found at www.entegris.com.

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Entegris, Inc.

Jeffrey Schnell

Vice President, Investor Relations

+ 1 201-207-3029 | Jeffrey.schnell@entegris.com