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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

(Amendment No. __)

			Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐

			Check the appropriate box:

☐			Preliminary Proxy Statement

☐			Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

☐			Definitive Proxy Statement

☒			Definitive Additional Materials

☐			Soliciting Material under § 240.14a-12

Entegris, Inc.
(Name of Registrant as Specified In Its Charter)
(Name of Person(s) Filing Proxy Statement, if other than the Registrant)

			Payment of Filing Fee (Check the appropriate box):

☒			No fee required

☐			Fee paid previously with preliminary materials

☐			Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1)

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