• Entegris SVP and Chief Strategy Officer Olivier Blachier exercised employee stock options for 2,000 shares on May 14, 2026 at $80.71.
• Blachier sold 2,000 shares the same day at a weighted average price of $140.04.
• Directly held common stock totaled 34,896 shares following the transactions.
• Employee stock options beneficially owned totaled 5,972 following the exercise.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Entegris Inc. published the original content used to generate this news brief via EDGAR, the Electronic Data Gathering, Analysis, and Retrieval system operated by the U.S. Securities and Exchange Commission (Ref. ID: 0001101302-26-000122), on May 18, 2026, and is solely responsible for the information contained therein.