Entegris, Inc. announced that it intends to offer $400 million aggregate principal amount of senior unsecured notes due 2029 (the “2029 Notes”) in a private offering. The 2029 Notes will be guaranteed by certain subsidiaries of the Company. The offering and terms of the 2029 Notes are subject to market conditions. The Company intends to use the net proceeds of the offering, together with cash on hand and $75 million borrowed under the Company’s revolving credit facility, to pay the redemption price for the redemption in full of the $550 million aggregate principal amount of senior unsecured notes due 2026 that are currently outstanding and to pay certain fees and expenses related to the offering. The 2029 Notes will be offered by the initial purchasers to “qualified institutional buyers” in reliance on Rule 144A under the Securities Act of 1933, as amended (the “Securities Act”), and outside the United States to non-U.S. persons in reliance on Regulation S under the Securities Act. The 2029 Notes have not been, and will not be, registered under the Securities Act or any state securities laws, and may not be offered or sold in the United States absent registration or pursuant to an exemption from, or in a transaction not subject to, the registration requirements of the Securities Act and applicable state securities laws. This news release shall not constitute an offer to sell or the solicitation of an offer to buy, nor shall there be any sale of the 2029 Notes in any state or jurisdiction in which such offer, solicitation or sale would be unlawful.