ENTG / Entegris, Inc. - Документы SEC, Годовой отчет, Доверенное заявление

Энтегрис, ООО
US ˙ NasdaqGS ˙ US29362U1043

Основная статистика
LEI IYX6OWO7BT5DKO3BYG52
CIK 1101302
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to Entegris, Inc.
SEC Filings (Chronological Order)
На этой странице представлен полный хронологический список документов SEC, за исключением документов о собственности, которые мы предоставляем в других местах.
July 30, 2025 EX-99.2

ENTEGRIS PROPRIETARY AND CONFIDENTIAL – INTERNAL Second Quarter 2025 July 30, 2025 Entegris Earnings Summary EXHIBIT 99.2 2 Safe Harbor ENTEGRIS SECOND QUARTER 2025 EARNINGS SUMMARY This presentation contains “forward-looking statements.” The words “

entgq22025ex992 ENTEGRIS PROPRIETARY AND CONFIDENTIAL – INTERNAL Second Quarter 2025 July 30, 2025 Entegris Earnings Summary EXHIBIT 99.

July 30, 2025 EX-99.1

ENTEGRIS REPORTS RESULTS FOR SECOND QUARTER OF 2025

PRESS RELEASE Bill Seymour Investor Relations T + 1 952 556 1844 [email protected] Exhibit 99.1 ENTEGRIS REPORTS RESULTS FOR SECOND QUARTER OF 2025 •Net sales of $792 million. •GAAP diluted EPS of $0.35. •Non-GAAP diluted EPS of $0.66. BILLERICA, Mass., July 30, 2025 - Entegris, Inc. (NASDAQ: ENTG), today reported its financial results for the Company’s second quarter ended June 28, 2025.

July 30, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) July 30, 2025 Entegris, Inc. (Exa

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) July 30, 2025 Entegris, Inc. (Exact name of registrant as specified in its charter) Delaware 001-32598 41-1941551 (State or Other Jurisdiction of Incorporation) (Commission File Numbe

July 30, 2025 EX-10.5

Entegris, Inc. 2025 Stock Option Award Agreement *

Exhibit 10.5 ENTEGRIS, INC. Stock Option Award Agreement (2020 Stock Plan) Entegris, Inc. (the “Company”) may periodically make equity incentive awards consisting of stock options with respect to the Company’s Common Stock, $0.01 par value (“Stock”), to certain key employees, non-employee directors, consultants or advisors of the Company under the Company’s 2020 Stock Plan (as amended from time to

July 30, 2025 EX-10.4

Entegris, Inc. 2025 Global RSU Award Agreement *

Exhibit 10.4 ENTEGRIS, INC. Global RSU Award Agreement (2020 Stock Plan) Entegris, Inc. (the “Company”) may periodically make equity incentive awards consisting of restricted stock units with respect to the Company’s Common Stock, $0.01 par value (“Stock”), to certain key employees, non-employee directors, consultants or advisors of the Company and its affiliates under the Company’s 2020 Stock Pla

July 30, 2025 EX-10.6

Entegris, Inc. 2025 Director’s RSU Award Agreement *

Exhibit 10.6 ENTEGRIS, INC. Director’s RSU Award Agreement (2020 Stock Plan) Entegris, Inc. (the “Company”) may periodically make equity incentive awards consisting of restricted stock units with respect to the Company’s Common Stock, $0.01 par value (“Stock”), to non-employee directors of the Company under the Company’s 2020 Stock Plan (as amended from time to time, the “Plan”). Except as otherwi

July 30, 2025 EX-10.2

Executive Chair Agreement, dated July 30, 2025, by and between Entegris, Inc. and Bertrand Loy

Exhibit 10.2 EXECUTION VERSION July 30, 2025 Bertrand Loy c/o Entegris, Inc. 129 Concord Road Billerica, MA 01821 Dear Bertrand, On behalf of Entegris, Inc. (“Entegris” or the “Company”) and its Board of Directors (the “Board”), I would like to thank you for your long service to the Company and its shareholders, during which you demonstrated exceptional leadership and made immeasurable contributio

July 30, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 28, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 00

July 30, 2025 EX-10.3

Entegris, Inc. 2025 Performance Share Unit Award Agreement *

Exhibit 10.3 ENTEGRIS, INC. Performance Share Unit Award Agreement (2020 Stock Plan) Entegris, Inc. (the “Company”) may periodically make equity incentive awards consisting of performance share units with respect to the Company’s Common Stock, $0.01 par value (“Stock”), to certain key employees, non-employee directors, consultants or advisors of the Company under the Company’s 2020 Stock Plan (as

July 30, 2025 EX-10.1

Offer Letter, dated May 11, 2025, by and between Entegris, Inc. and David Reede

Exhibit 10.1 EXECUTION VERSION May 11, 2025 David Reeder c/o Entegris, Inc. 129 Concord Road Billerica, MA 01821 Dear David, Your expertise and leadership approach aligns with helping Entegris, Inc. (“Entegris” or the “Company”) achieve our mission to help our customers improve their productivity, performance, and technology by providing enhancing materials and process solutions for the most advan

July 16, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) July 16, 2025 Entegris, Inc. (Exa

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) July 16, 2025 Entegris, Inc. (Exact name of registrant as specified in its charter) Delaware 001-32598 41-1941551 (State or Other Jurisdiction of Incorporation) (Commission File Numbe

July 16, 2025 8-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A (Amendment No. 1) CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) July 16, 2025

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A (Amendment No. 1) CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) July 16, 2025 Entegris, Inc. (Exact name of registrant as specified in its charter) Delaware 001-32598 41-1941551 (State or Other Jurisdiction of Incorporation) (C

July 16, 2025 EX-99.1

ENTEGRIS DECLARES QUARTERLY CASH DIVIDEND

NEWS RELEASE Exhibit 99.1 ENTEGRIS DECLARES QUARTERLY CASH DIVIDEND BILLERICA, Mass., July 16, 2025 - Entegris, Inc. (Nasdaq: ENTG), a leading supplier of critical advanced materials and process solutions for the semiconductor and other high-technology industries, today announced that its board of directors has authorized a quarterly cash dividend of $0.10 per share to be paid on August 20, 2025,

July 16, 2025 EX-99.1

ENTEGRIS DECLARES QUARTERLY CASH DIVIDEND

NEWS RELEASE Exhibit 99.1 ENTEGRIS DECLARES QUARTERLY CASH DIVIDEND BILLERICA, Mass., July 16, 2025 - Entegris, Inc. (Nasdaq: ENTG), a leading supplier of critical advanced materials and process solutions for the semiconductor and other high-technology industries, today announced that its board of directors has authorized a quarterly cash dividend of $0.10 per share to be paid on August 20, 2025,

July 3, 2025 S-3ASR

As filed with the Securities and Exchange Commission on July 3, 2025

TABLE OF CONTENTS As filed with the Securities and Exchange Commission on July 3, 2025 Registration No.

July 3, 2025 EX-FILING FEES

CALCULATION OF FILING FEE TABLE FORM S-3 (Form Type) Entegris, Inc. (Exact Name of Registrant as Specified in its Charter) Table I: Carry Forward Securities

Exhibit 107 CALCULATION OF FILING FEE TABLE FORM S-3 (Form Type) Entegris, Inc. (Exact Name of Registrant as Specified in its Charter) Table I: Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Share Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carry Forward Form Type Carry

May 30, 2025 EX-1.01

Entegris, Inc. Conflict Minerals Report for the reporting period from January 1, 2024 to December 31, 2024

Exhibit 1.01 Entegris, Inc. Conflict Minerals Report For the reporting period from January 1, 2024 to December 31, 2024 Introduction This Conflict Minerals Report (this “Report”) of Entegris, Inc. (herein referred to as the “Company”, “we”, “us”, or “our”) has been prepared pursuant to Rule 13p-1 and Form SD (the “Rule”) promulgated under the Securities Exchange Act of 1934, as amended (the “Excha

May 30, 2025 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT Entegris, Inc. (Exact name of the registrant as specified in its charter)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT Entegris, Inc. (Exact name of the registrant as specified in its charter) Delaware 001-32598 41-1941551 (State or other jurisdiction of (Commission (IRS Employer incorporation or organization) File Number) Identification No.) 129 Concord Road Billerica, Massachusetts 01821 (Address of prin

May 12, 2025 EX-99.1

Entegris Announces CEO Succession Plan Bertrand Loy to Retire After 13 Years as President and CEO in August 2025; Will Continue to Serve as Executive Chair of the Entegris Board of Directors David Reeder Will Succeed Loy as President and CEO

Exhibit 99.1 Entegris Announces CEO Succession Plan Bertrand Loy to Retire After 13 Years as President and CEO in August 2025; Will Continue to Serve as Executive Chair of the Entegris Board of Directors David Reeder Will Succeed Loy as President and CEO BILLERICA, Mass – May 12, 2025 – Entegris, Inc. (NASDAQ: ENTG), a leading supplier of advanced materials and process solutions for the semiconduc

May 12, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): May 11, 2025 Entegris, Inc. (Exact name of registrant as specified in its charter) Delaware 001-32598 41-1941551 (State or Other Jurisdiction of Incorporation) (Commission File Numbe

May 7, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 29, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 0

May 7, 2025 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) May 7, 2025 Entegris, Inc. (Exact name of registrant as specified in its charter) Delaware 001-32598 41-1941551 (State or Other Jurisdiction of Incorporation) (Commission File Number)

May 7, 2025 EX-99.1

ENTEGRIS REPORTS RESULTS FOR FIRST QUARTER OF 2025

PRESS RELEASE Bill Seymour Investor Relations T + 1 952 556 1844 [email protected] Exhibit 99.1 ENTEGRIS REPORTS RESULTS FOR FIRST QUARTER OF 2025 •Net sales (as reported) of $773 million, increased 0.3% from prior year. •Adjusted net sales (excluding the impact of a divestiture) increased 5% from prior year. •GAAP diluted EPS of $0.41. •Non-GAAP diluted EPS of $0.67. BILLERICA, Mass., May

May 7, 2025 EX-99.2

ENTEGRIS PROPRIETARY AND CONFIDENTIAL – INTERNAL First Quarter 2025 May 7, 2025 Entegris Earnings Summary EXHIBIT 99.2 2 Safe Harbor ENTEGRIS FIRST QUARTER 2025 EARNINGS SUMMARY This presentation contains “forward-looking statements.” The words “beli

ENTEGRIS PROPRIETARY AND CONFIDENTIAL – INTERNAL First Quarter 2025 May 7, 2025 Entegris Earnings Summary EXHIBIT 99.

April 23, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) April 23, 2025 Entegris, Inc. (Ex

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) April 23, 2025 Entegris, Inc. (Exact name of registrant as specified in its charter) Delaware 001-32598 41-1941551 (State or Other Jurisdiction of Incorporation) (Commission File Numb

April 16, 2025 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) April 16, 2025 Entegris, Inc. (Exact name of registrant as specified in its charter) Delaware 001-32598 41-1941551 (State or Other Jurisdiction of Incorporation) (Commission File Numb

April 16, 2025 EX-99.1

ENTEGRIS DECLARES QUARTERLY CASH DIVIDEND

NEWS RELEASE Exhibit 99.1 ENTEGRIS DECLARES QUARTERLY CASH DIVIDEND BILLERICA, Mass., April 16, 2025 - Entegris, Inc. (Nasdaq: ENTG), a leading supplier of advanced materials and process solutions for the semiconductor and other high-technology industries, today announced that its board of directors has authorized a quarterly cash dividend of $0.10 per share to be paid on May 21, 2025, to sharehol

March 17, 2025 ARS

2024 Annual Report April 23, 2025 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 ________________________________________ FORM 10-K ________________________________________ (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR

2024 Annual Report April 23, 2025 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.

March 17, 2025 DEF 14A

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

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 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 State

February 12, 2025 EX-24.1

Power of Attorney by the Directors of Entegris, Inc.

Exhibit 24.1 POWER OF ATTORNEY KNOW ALL PERSONS BY THESE PRESENTS, that the undersigned Directors and Officers of Entegris, Inc. (the “Corporation”), do hereby constitute and appoint Bertrand Loy and Linda LaGorga and each of them individually, their true and lawful attorneys and agents to execute on behalf of the Corporation the Form 10-K Annual Report of the Corporation for the fiscal year ended

February 12, 2025 EX-21.1

Subsidiaries of Entegris, Inc.

Exhibit 21.1 Subsidiaries of Entegris, Inc. Name of Subsidiary Jurisdiction ATMI International Trading Co. Ltd. China CMC Materials B.V. The Netherlands CMC Materials Global Corp. Delaware CMC Korea Co. Ltd South Korea CMC Materials LLC Delaware CMC Materials Shanghai Co., Ltd. China CMC Materials Taiwan Co., Ltd. Taiwan Entegris Canada Limited Canada Digital Specialty Chemicals UK Limited United

February 12, 2025 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-32

February 12, 2025 EX-10.34

Form of Entegris, Inc. Performance Share Unit Award Agreement (2024+)*

Exhibit 10.34 ENTEGRIS, INC. Performance Share Unit Award Agreement (2020 Stock Plan) Entegris, Inc. (the “Company”) may periodically make equity incentive awards consisting of performance share units with respect to the Company’s Common Stock, $0.01 par value (“Stock”), to certain key employees, non-employee directors, consultants or advisors of the Company under the Company’s 2020 Stock Plan (as

February 12, 2025 EX-19.1

Insider Trading Policy of Entegris, Inc.

Exhibit 19.1 INSIDER TRADING POLICY (The “Policy”) Entegris, Inc. and its subsidiaries (collectively, the “Company”) are committed to complying with applicable securities regulations and maintaining the highest ethical standards. We prohibit trading in Company securities while in possession of material non-public information about the Company. Summary of Key Points •Trading in Company securities b

February 12, 2025 EX-10.33

Deferred Compensation Plan for Non-Employee Directors of Entegris, Inc.*

Exhibit 10.33 DEFERRED COMPENSATION PLAN FOR NON-EMPLOYEE DIRECTORS OF ENTEGRIS, INC. Article 1(Effective as of January 1, 2025) Article 1 INTRODUCTION 1.1Purposes of the Plan. The purposes of the Plan are (a) to attract and retain highly qualified individuals to serve as Directors of the Company, and (b) to provide an opportunity for such Directors to defer a portion of their compensation on an u

February 12, 2025 EX-10.37

Form of Entegris, Inc. RSU Award Agreement (Directors) (2024+)*

Exhibit 10.37 ENTEGRIS, INC. Director’s RSU Award Agreement (2020 Stock Plan) In consideration of services rendered to Entegris, Inc. (the “Company”), the Company may periodically make equity incentive awards consisting of restricted stock units with respect to the Company’s Common Stock, $0.01 par value (“Stock”), to non-employee directors of the Company under the Company’s 2020 Stock Plan (as am

February 12, 2025 EX-1

JOINT ACQUISITION STATEMENT PURSUANT TO SECTION 240.13d-1(k)

EX-1 2 jointfilingstatement.htm EXHIBIT 1 EXHIBIT 1 to SCHEDULE 13G JOINT ACQUISITION STATEMENT PURSUANT TO SECTION 240.13d-1(k) The undersigned acknowledge and agree that the foregoing statement on Schedule 13G is filed on behalf of each of the undersigned and that all subsequent amendments to this statement on Schedule 13G shall be filed on behalf of each of the undersigned without the necessity

February 12, 2025 EX-10.36

Form of Entegris, Inc. Stock Option Award Agreement (2024+)*

Exhibit 10.36 ENTEGRIS, INC. Stock Option Award Agreement (2020 Stock Plan) Entegris, Inc. (the “Company”) may periodically make equity incentive awards consisting of stock options with respect to the Company’s Common Stock, $0.01 par value (“Stock”), to certain key employees, non-employee directors, consultants or advisors of the Company under the Company’s 2020 Stock Plan (as amended from time t

February 12, 2025 EX-10.35

Form of Entegris, Inc. Global RSU Award Agreement (2024+)*

Exhibit 10.35 ENTEGRIS, INC. Global RSU Award Agreement (2020 Stock Plan) Entegris, Inc. (the “Company”) may periodically make equity incentive awards consisting of restricted stock units with respect to the Company’s Common Stock, $0.01 par value (“Stock”), to certain key employees, non-employee directors, consultants or advisors of the Company and its affiliates under the Company’s 2020 Stock Pl

February 6, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) February 6, 2025 Entegris, Inc. (

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) February 6, 2025 Entegris, Inc. (Exact name of registrant as specified in its charter) Delaware 001-32598 41-1941551 (State or Other Jurisdiction of Incorporation) (Commission File Nu

February 6, 2025 EX-99.1

ENTEGRIS REPORTS RESULTS FOR FOURTH QUARTER OF 2024

PRESS RELEASE Bill Seymour VP of Investor Relations T + 1 952 556 1844 [email protected] Exhibit 99.1 ENTEGRIS REPORTS RESULTS FOR FOURTH QUARTER OF 2024 •Net sales (as reported) of $850 million, increased 5% from prior year. •Adjusted net sales (excluding the impact of divestitures) increased 11% from prior year. •GAAP diluted EPS of $0.67. •Non-GAAP diluted EPS of $0.84. BILLERICA, Mass.

February 6, 2025 EX-99.2

Earnings Summary February 6, 2025 Fourth Quarter 2024 Exhibit 99.2 This news release contains “forward-looking statements.” The words “believe,” “expect,” “anticipate,” “intend,” “estimate,” “forecast,” “project,” “should,” “may,” “will,” “would” or

entgq42024ex992a01 Earnings Summary February 6, 2025 Fourth Quarter 2024 Exhibit 99.

January 15, 2025 EX-99.1

ENTEGRIS DECLARES QUARTERLY CASH DIVIDEND

NEWS RELEASE Exhibit 99.1 ENTEGRIS DECLARES QUARTERLY CASH DIVIDEND BILLERICA, Mass., January 15, 2025 - Entegris, Inc. (Nasdaq: ENTG), a leading supplier of advanced materials and process solutions for the semiconductor and other high-technology industries, today announced that its board of directors has authorized a quarterly cash dividend of $0.10 per share to be paid on February 19, 2025, to s

January 15, 2025 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) January 15, 2025 Entegris, Inc. (Exact name of registrant as specified in its charter) Delaware 001-32598 41-1941551 (State or Other Jurisdiction of Incorporation) (Commission File Nu

November 4, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) November 4, 2024 Entegris, Inc. (Exact name of registrant as specified in its charter) Delaware 001-32598 41-1941551 (State or Other Jurisdiction of Incorporation) (Commission File Nu

November 4, 2024 EX-99.1

ENTEGRIS REPORTS RESULTS FOR THIRD QUARTER OF 2024

PRESS RELEASE Bill Seymour VP of Investor Relations T + 1 952 556 1844 [email protected] Exhibit 99.1 ENTEGRIS REPORTS RESULTS FOR THIRD QUARTER OF 2024 •Net sales (as reported) of $808 million, decreased 9% from prior year. •Adjusted net sales (excluding the impact of divestitures) increased 7% from prior year. •GAAP diluted EPS of $0.51. •Non-GAAP diluted EPS of $0.77. BILLERICA, Mass.,

November 4, 2024 EX-99.2

Earnings Summary November 4, 2024 Third Quarter 2024 Exhibit 99.2 This news release contains “forward-looking statements.” The words “believe,” “expect,” “anticipate,” “intend,” “estimate,” “forecast,” “project,” “should,” “may,” “will,” “would” or t

Earnings Summary November 4, 2024 Third Quarter 2024 Exhibit 99.2 This news release contains “forward-looking statements.” The words “believe,” “expect,” “anticipate,” “intend,” “estimate,” “forecast,” “project,” “should,” “may,” “will,” “would” or the negative thereof and similar expressions are intended to identify such forward-looking statements. These forward-looking statements may include sta

November 4, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 28, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file numbe

October 18, 2024 8-K/A

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A (Amendment No. 1) CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) September 5, 2024 Entegris, Inc. (Exact name of registrant as specified in its charter) Delaware 001-32598 41-1941551 (State or Other Jurisdiction of Incorporation

October 16, 2024 EX-99.1

ENTEGRIS DECLARES QUARTERLY CASH DIVIDEND

NEWS RELEASE Exhibit 99.1 ENTEGRIS DECLARES QUARTERLY CASH DIVIDEND BILLERICA, Mass., October 16, 2024 - Entegris, Inc. (Nasdaq: ENTG), a leading supplier of advanced materials and process solutions for the semiconductor and other high-technology industries, today announced that its board of directors has authorized a quarterly cash dividend of $0.10 per share to be paid on November 20, 2024, to s

October 16, 2024 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) October 16, 2024 Entegris, Inc. (Exact name of registrant as specified in its charter) Delaware 001-32598 41-1941551 (State or Other Jurisdiction of Incorporation) (Commission File Nu

September 10, 2024 SC 13G/A

ENTG / Entegris, Inc. / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 13)* Name of issuer: Entegris Inc Title of Class of Securities: Common Stock CUSIP Number: 29362U104 Date of Event Which Requires Filing of this Statement: August 30, 2024 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: ☒ Rule 13

September 5, 2024 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) September 5, 2024 Entegris, Inc. (Exact name of registrant as specified in its charter) Delaware 001-32598 41-1941551 (State or Other Jurisdiction of Incorporation) (Commission File N

September 5, 2024 EX-99.1

ENTEGRIS APPOINTS MARY PUMA TO BOARD OF DIRECTORS

Exhibit 99.1 NEWS RELEASE ENTEGRIS APPOINTS MARY PUMA TO BOARD OF DIRECTORS BILLERICA, Mass., September 5, 2024 - Entegris, Inc. (NASDAQ: ENTG), a leading supplier of advanced materials and process solutions for the semiconductor and other high-technology industries, today announced the appointment of Mary Puma to its board of directors. Ms. Puma previously served as the president and chief execut

July 31, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 29, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 00

July 31, 2024 EX-99.1

ENTEGRIS REPORTS RESULTS FOR SECOND QUARTER OF 2024

PRESS RELEASE Bill Seymour VP of Investor Relations T + 1 952 556 1844 [email protected] Exhibit 99.1 ENTEGRIS REPORTS RESULTS FOR SECOND QUARTER OF 2024 •Net sales (as reported) of $813 million, decreased 10% from prior year and increased 5% sequentially •Adjusted net sales (excluding the impact of divestitures) increased 6% from prior year and 10% sequentially •GAAP diluted EPS of $0.45

July 31, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) July 31, 2024 Entegris, Inc. (Exact name of registrant as specified in its charter) Delaware 001-32598 41-1941551 (State or Other Jurisdiction of Incorporation) (Commission File Numbe

July 31, 2024 EX-99.2

Earnings Summary July 31, 2024 Second Quarter 2024 Exhibit 99.2 This news release contains “forward-looking statements.” The words “believe,” “expect,” “anticipate,” “intend,” “estimate,” “forecast,” “project,” “should,” “may,” “will,” “would” or the

EX-99.2 3 entgq22024ex992.htm EX-99.2 Earnings Summary July 31, 2024 Second Quarter 2024 Exhibit 99.2 This news release contains “forward-looking statements.” The words “believe,” “expect,” “anticipate,” “intend,” “estimate,” “forecast,” “project,” “should,” “may,” “will,” “would” or the negative thereof and similar expressions are intended to identify such forward-looking statements. These forwar

July 17, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) July 17, 2024 Entegris, Inc. (Exa

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) July 17, 2024 Entegris, Inc. (Exact name of registrant as specified in its charter) Delaware 001-32598 41-1941551 (State or Other Jurisdiction of Incorporation) (Commission File Numbe

July 17, 2024 EX-99.1

ENTEGRIS DECLARES QUARTERLY CASH DIVIDEND

NEWS RELEASE Exhibit 99.1 ENTEGRIS DECLARES QUARTERLY CASH DIVIDEND BILLERICA, Mass., July 17, 2024 - Entegris, Inc. (Nasdaq: ENTG), a leading supplier of advanced materials and process solutions for the semiconductor and other high-technology industries, today announced that its board of directors has authorized a quarterly cash dividend of $0.10 per share to be paid on August 21, 2024, to shareh

July 8, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) July 8, 2024 (July 7, 2024) Enteg

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) July 8, 2024 (July 7, 2024) Entegris, Inc. (Exact name of registrant as specified in its charter) Delaware 001-32598 41-1941551 (State or Other Jurisdiction of Incorporation) (Commiss

May 28, 2024 EX-1.01

Entegris, Inc. Conflict Minerals Report for the reporting period from January 1, 2023 to December 31, 2023

Exhibit 1.01 Entegris, Inc. Conflict Minerals Report For the reporting period from January 1, 2023 to December 31, 2023 1.Introduction This Conflict Minerals Report (this “Report”) of Entegris, Inc. (herein referred to as the “Company”, “we”, “us”, or “our”) has been prepared pursuant to Rule 13p-1 and Form SD (the “Rule”) promulgated under the Securities Exchange Act of 1934, as amended (the “Exc

May 28, 2024 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT Entegris, Inc. (Exact name of the registrant as specified in its charter)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT Entegris, Inc. (Exact name of the registrant as specified in its charter) Delaware 001-32598 (State or other jurisdiction of (Commission incorporation or organization) File Number) 129 Concord Road Billerica, Massachusetts 01821 (Address of principal executive offices) (Zip Code) Joseph Co

May 2, 2024 S-8

As filed with the U.S. Securities and Exchange Commission on May 2, 2024

As filed with the U.S. Securities and Exchange Commission on May 2, 2024 Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-8 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 ENTEGRIS, INC. (Exact name of registrant as specified in its charter) Delaware 41-1941551 (State or other jurisdiction of incorporation or organization) (I.R.S. Employe

May 2, 2024 EX-FILING FEES

Filing Fee Table.*

Exhibit 107 CALCULATION OF FILING FEE TABLE FORM S-8 (Form Type) Entegris, Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered (1) Proposed Maximum Offering Price Per Unit (2) Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Equity Common Stock, par value $0.01

May 1, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) May 1, 2024 Entegris, Inc. (Exact name of registrant as specified in its charter) Delaware 001-32598 41-1941551 (State or Other Jurisdiction of Incorporation) (Commission File Number)

May 1, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 30, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 0

May 1, 2024 EX-99.2

Earnings Summary May 1, 2024 First Quarter 2024 Exhibit 99.2 This news release contains “forward-looking statements.” The words “believe,” “expect,” “anticipate,” “intend,” “estimate,” “forecast,” “project,” “should,” “may,” “will,” “would” or the ne

Earnings Summary May 1, 2024 First Quarter 2024 Exhibit 99.2 This news release contains “forward-looking statements.” The words “believe,” “expect,” “anticipate,” “intend,” “estimate,” “forecast,” “project,” “should,” “may,” “will,” “would” or the negative thereof and similar expressions are intended to identify such forward-looking statements. These forward-looking statements may include statemen

May 1, 2024 EX-99.1

ENTEGRIS REPORTS RESULTS FOR FIRST QUARTER OF 2024

PRESS RELEASE Bill Seymour VP of Investor Relations T + 1 952 556 1844 [email protected] Exhibit 99.1 ENTEGRIS REPORTS RESULTS FOR FIRST QUARTER OF 2024 •Net sales of $771 million, decreased 16% from prior year and 5% sequentially •Adjusted net sales decreased 5% from prior year and 4% sequentially (excluding the impact of divestitures) •GAAP diluted EPS of $0.30 •Non-GAAP diluted EPS of $

April 24, 2024 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) April 24, 2024 Entegris, Inc. (Exact name of registrant as specified in its charter) Delaware 001-32598 41-1941551 (State or Other Jurisdiction of Incorporation) (Commission File Numb

April 17, 2024 EX-99.1

ENTEGRIS DECLARES QUARTERLY CASH DIVIDEND

NEWS RELEASE Exhibit 99.1 ENTEGRIS DECLARES QUARTERLY CASH DIVIDEND BILLERICA, Mass., April 17, 2024 - Entegris, Inc. (Nasdaq: ENTG), a leading supplier of advanced materials and process solutions for the semiconductor and other high-technology industries, today announced that its board of directors has authorized a quarterly cash dividend of $0.10 per share to be paid on May 22, 2024, to sharehol

April 17, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) April 17, 2024 Entegris, Inc. (Ex

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) April 17, 2024 Entegris, Inc. (Exact name of registrant as specified in its charter) Delaware 001-32598 41-1941551 (State or Other Jurisdiction of Incorporation) (Commission File Numb

March 28, 2024 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): March 28, 2024 Entegris, Inc. (Exact name of registrant as specified in its charter) Delaware 001-32598 41-1941551 (State or Other Jurisdiction of Incorporation) (Commission File Num

March 28, 2024 EX-10.01

[REMAINDER OF PAGE INTENTIONALLY LEFT BLANK]

Exhibit 10.01 EXECUTION VERSION AMENDMENT NO. 3, dated as of March 28, 2024 (this “Amendment”), among ENTEGRIS, INC., a Delaware corporation (the “Borrower”), the other CREDIT PARTIES party hereto, the LENDERS party hereto and MORGAN STANLEY SENIOR FUNDING, INC., as Administrative Agent. Reference is made to the Credit and Guaranty Agreement, dated as of November 6, 2018, as amended and restated a

March 25, 2024 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A (RULE 14A-101) SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 14A (RULE 14A-101) SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.

March 18, 2024 DEF 14A

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

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 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 State

March 18, 2024 DEF 14A

COURTESY COPY

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 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 State

March 7, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) March 7, 2024 Entegris, Inc. (Exa

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) March 7, 2024 Entegris, Inc. (Exact name of registrant as specified in its charter) Delaware 001-32598 41-1941551 (State or Other Jurisdiction of Incorporation) (Commission File Numbe

March 7, 2024 EX-99.1

ENTEGRIS APPOINTS DAVID REEDER TO BOARD OF DIRECTORS

Exhibit 99.1 NEWS RELEASE ENTEGRIS APPOINTS DAVID REEDER TO BOARD OF DIRECTORS BILLERICA, Mass., March 7, 2024 - Entegris, Inc. (NASDAQ: ENTG), a leading supplier of advanced materials and process solutions for the semiconductor and other high-technology industries, today announced the appointment of David Reeder to its board of directors. Mr. Reeder is the chief financial officer of Chewy, Inc. T

March 4, 2024 EX-99.1

ENTEGRIS COMPLETES THE SALE OF THE PIPELINE AND INDUSTRIAL MATERIALS (PIM) BUSINESS TO SCF PARTNERS COMPANY UPDATES FIRST QUARTER 2024 GUIDANCE FOR DIVESTITURE OF PIM

Exhibit 99.1 NEWS RELEASE ENTEGRIS COMPLETES THE SALE OF THE PIPELINE AND INDUSTRIAL MATERIALS (PIM) BUSINESS TO SCF PARTNERS COMPANY UPDATES FIRST QUARTER 2024 GUIDANCE FOR DIVESTITURE OF PIM BILLERICA, Mass. – March 4, 2024 – Entegris, Inc. (Nasdaq: ENTG), a leading supplier of advanced materials and process solutions for the semiconductor and other high-technology industries, announced today it

March 4, 2024 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) March 4, 2024 Entegris, Inc. (Exact name of registrant as specified in its charter) Delaware 001-32598 41-1941551 (State or Other Jurisdiction of Incorporation) (Commission File Numbe

February 15, 2024 EX-10.38

Amended and Restated Supplemental Executive Retirement Plan for Key Salaried Employees of Entegris, Inc.*

Exhibit 10.38 AMENDED AND RESTATED SUPPLEMENTAL EXECUTIVE RETIREMENT PLAN FOR KEY SALARIED EMPLOYEES OF ENTEGRIS, INC. (Effective as of January 1, 2024) TABLE OF CONTENTS Article 1 INTRODUCTION 1 1.1 Purposes of Plan 1 1.2 Status of Plan 1 Article 2 DEFINITIONS 1 2.1 Definitions 1 2.2 Additional Definitions 4 2.3 Construction 5 Article 3 ADMINISTRATION 5 3.1 General 5 3.2 Actions of the Administra

February 15, 2024 EX-97

Amended and Restated Entegris, Inc. Clawback Policy

Exhibit 97 Amended and Restated Entegris, Inc. Clawback Policy The Board of Directors (the “Board”) of Entegris, Inc., a Delaware corporation (the “Corporation”), believes that it is in the best interests of the Corporation and its shareholders to create and maintain a culture that emphasizes integrity and accountability, that supports accurate financial reporting and disclosure and that reinforce

February 15, 2024 EX-24

Power of Attorney by the Directors of Entegris, Inc.

Exhibit 24 POWER OF ATTORNEY KNOW ALL PERSONS BY THESE PRESENTS, that the undersigned Directors and Officers of Entegris, Inc.

February 15, 2024 EX-10.41

Form of Entegris, Inc. Stock Option Award Agreement (2024+)*

Exhibit 10.41 ENTEGRIS, INC. Stock Option Award Agreement (2020 Stock Plan) Entegris, Inc. (the “Company”) may periodically make equity incentive awards consisting of stock options with respect to the Company’s Common Stock, $0.01 par value (“Stock”), to certain key employees, non-employee directors, consultants or advisors of the Company under the Company’s 2020 Stock Plan (as amended from time t

February 15, 2024 EX-10.39

Form of Entegris, Inc. Performance-Based RSU Award Agreement (2024+)*

Exhibit 10.39 ENTEGRIS, INC. Performance-Based RSU Award Agreement (2020 Stock Plan) Entegris, Inc. (the “Company”) may periodically make equity incentive awards consisting of performance-based restricted stock units with respect to the Company’s Common Stock, $0.01 par value (“Stock”), to certain key employees, non-employee directors, consultants or advisors of the Company under the Company’s 202

February 15, 2024 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-32

February 15, 2024 EX-21

Subsidiaries of Entegris, Inc.

Exhibit 21 Subsidiaries of Entegris, Inc. Name of Subsidiary Jurisdiction ATMI International Trading Co. Ltd. China CMC Materials B.V. The Netherlands CMC Materials Global Corp. Delaware CMC Korea Co. Ltd South Korea CMC Materials LLC Delaware CMC Materials Sealweld Canada, Inc. Canada CMC Materials Shanghai Co., Ltd. China CMC Materials Taiwan Co., Ltd. Taiwan Entegris Canada Limited Canada Digit

February 15, 2024 EX-10.40

Form of Entegris, Inc. Global RSU Award Agreement (2024+)*

Exhibit 10.40 ENTEGRIS, INC. Global RSU Award Agreement (2020 Stock Plan) Entegris, Inc. (the “Company”) may periodically make equity incentive awards consisting of restricted stock units with respect to the Company’s Common Stock, $0.01 par value (“Stock”), to certain key employees, non-employee directors, consultants or advisors of the Company and its affiliates under the Company’s 2020 Stock Pl

February 14, 2024 EX-99.1

EXHIBIT 99.1

EX-99.1 2 s013024b.htm EXHIBIT 99.1 EXHIBIT 99.1 The identity and the Item 3 classification of the relevant subsidiary are: Select Equity Group, L.P., which is an Investment Adviser in accordance with Rule 13d-1(b)(1)(ii)(E).

February 14, 2024 SC 13G/A

ENTG / Entegris, Inc. / Select Equity Group, L.P. - SCHEDULE 13G (AMENDMENT NO. 2) Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2)* Entegris, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 29362U104 (CUSIP Number) December 31, 2023 (Date of Event Which Requires Filing of This Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is filed: ☒ R

February 13, 2024 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) February 13, 2024 Entegris, Inc. (Exact name of registrant as specified in its charter) Delaware 001-32598 41-1941551 (State or Other Jurisdiction of Incorporation) (Commission File N

February 13, 2024 EX-99.3

1 Entegris Inc. Exhibit 99.3 Entegris Fourth Quarter 2023 Earnings Commentary February 13, 2024 SAFE HARBOR Comments within include some forward-looking statements. These statements involve a number of risks and uncertainties, and actual results coul

1 Entegris Inc. Exhibit 99.3 Entegris Fourth Quarter 2023 Earnings Commentary February 13, 2024 SAFE HARBOR Comments within include some forward-looking statements. These statements involve a number of risks and uncertainties, and actual results could differ materially from those projected in the forward-looking statements. Additional information regarding these risks and uncertainties is containe

February 13, 2024 EX-99.1

ENTEGRIS REPORTS RESULTS FOR FOURTH QUARTER OF 2023

PRESS RELEASE Bill Seymour VP of Investor Relations T + 1 952 556 1844 [email protected] Exhibit 99.1 ENTEGRIS REPORTS RESULTS FOR FOURTH QUARTER OF 2023 •Fourth-quarter net sales of $812 million, decreased 14% from prior year and 9% sequentially •Fourth-quarter net sales increased 2% sequentially (excluding the impact of divestitures) •Fourth-quarter GAAP diluted EPS of $0.25 •Fourth-quar

February 13, 2024 SC 13G/A

ENTG / Entegris, Inc. / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv0854-entegrisinc.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 12)* Name of issuer: Entegris Inc Title of Class of Securities: Common Stock CUSIP Number: 29362U104 Date of Event Which Requires Filing of this Statement: December 29, 2023 Check the appropriate box to designate the rule

February 13, 2024 SC 13G

ENTG / Entegris, Inc. / SANDS CAPITAL MANAGEMENT, LLC Passive Investment

SC 13G 1 entg13g.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13G (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO Section 240.13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO Section 240.13d-2 Under the Securities Exchange Act of 1934 (Amendment No. ) * Entegris, Inc. (Name of Issuer) Common Stock, par value $0.01 per s

February 13, 2024 EX-99.2

February 13, 2024 Earnings Summary: Fourth Quarter 2023 Exhibit 99.2 2 This news release contains “forward-looking statements.” The words “believe,” “expect,” “anticipate,” “intend,” “estimate,” “forecast,” “project,” “should,” “may,” “will,” “would”

February 13, 2024 Earnings Summary: Fourth Quarter 2023 Exhibit 99.2 2 This news release contains “forward-looking statements.” The words “believe,” “expect,” “anticipate,” “intend,” “estimate,” “forecast,” “project,” “should,” “may,” “will,” “would” or the negative thereof and similar expressions are intended to identify such forward-looking statements. These forward-looking statements may includ

January 17, 2024 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) January 17, 2024 Entegris, Inc. (Exact name of registrant as specified in its charter) Delaware 001-32598 41-1941551 (State or Other Jurisdiction of Incorporation) (Commission File Nu

January 17, 2024 EX-99.1

ENTEGRIS DECLARES QUARTERLY CASH DIVIDEND

NEWS RELEASE Bill Seymour VP of Investor Relations T + 1 952 556 1844 [email protected] Exhibit 99.1 ENTEGRIS DECLARES QUARTERLY CASH DIVIDEND BILLERICA, Mass., January 17, 2024 - Entegris, Inc. (Nasdaq: ENTG), a leading supplier of advanced materials and process solutions for the semiconductor and other high-technology industries, today announced that its board of directors has authorized

November 2, 2023 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) November 2, 2023 Entegris, Inc. (Exact name of registrant as specified in its charter) Delaware 001-32598 41-1941551 (State or Other Jurisdiction of Incorporation) (Commission File Nu

November 2, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file numbe

November 2, 2023 EX-99.2

Earnings Summary November 2, 2023 Third Quarter 2023 Exhibit 99.2 This presentation contains forward-looking statements. The words “believe,” “expect,” “anticipate,” “intend,” “estimate,” “forecast,” “project,” “should,” “may,” “will,” “would” or the

Earnings Summary November 2, 2023 Third Quarter 2023 Exhibit 99.2 This presentation contains forward-looking statements. The words “believe,” “expect,” “anticipate,” “intend,” “estimate,” “forecast,” “project,” “should,” “may,” “will,” “would” or the negative thereof and similar expressions are intended to identify such forward-looking statements. These forward-looking statements may include state

November 2, 2023 EX-99.1

ENTEGRIS REPORTS RESULTS FOR THIRD QUARTER OF 2023

PRESS RELEASE Bill Seymour VP of Investor Relations T + 1 952 556 1844 [email protected] Exhibit 99.1 ENTEGRIS REPORTS RESULTS FOR THIRD QUARTER OF 2023 •Third-quarter revenue of $888 million, decreased 11% from prior year and 1% sequentially •Third-quarter GAAP diluted EPS of $0.22 •Third-quarter non-GAAP diluted EPS of $0.68 BILLERICA, Mass., November 2, 2023 - Entegris, Inc. (NASDAQ: EN

October 18, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) October 18, 2023 Entegris, Inc. (

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) October 18, 2023 Entegris, Inc. (Exact name of registrant as specified in its charter) Delaware 001-32598 41-1941551 (State or Other Jurisdiction of Incorporation) (Commission File Nu

October 18, 2023 EX-99.1

ENTEGRIS DECLARES QUARTERLY CASH DIVIDEND

NEWS RELEASE Bill Seymour VP of Investor Relations T + 1 952 556 1844 [email protected] Exhibit 99.1 ENTEGRIS DECLARES QUARTERLY CASH DIVIDEND BILLERICA, Mass., October 18, 2023 - Entegris, Inc. (Nasdaq: ENTG), a leading supplier of advanced materials and process solutions for the semiconductor and other high-technology industries, today announced that its Board of Directors has authorized

October 2, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) October 2, 2023 Entegris, Inc. (E

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) October 2, 2023 Entegris, Inc. (Exact name of registrant as specified in its charter) Delaware 001-32598 41-1941551 (State or Other Jurisdiction of Incorporation) (Commission File Num

October 2, 2023 EX-99.1

Entegris Completes Sale of Electronic Chemicals Business to Fujifilm.

Exhibit 99.1 NEWS RELEASE Entegris Completes Sale of Electronic Chemicals Business to Fujifilm. Billerica, U.S., October 2, 2023 - Entegris, Inc. (NASDAQ: ENTG), a leading supplier of advanced materials and process solutions for the semiconductor and other high-technology industries, today announced the closing of the sale of its Electronic Chemicals business to Fujifilm. Entegris sold the Electro

September 13, 2023 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): September 13, 2023 (September 11, 2023) Entegris, Inc. (Exact name of registrant as specified in its charter) Delaware 001-32598 41-1941551 (State or Other Jurisdiction of Incorporat

September 13, 2023 EX-10.01

Amendment No. 2, dated as of September 11, 2023, among Entegris, Inc., as borrower, the other credit parties party thereto, the lenders party thereto and Morgan Stanley Senior Funding, Inc., as administrative agent.

Exhibit 10.01 EXECUTION VERSION AMENDMENT NO. 2, dated as of September 11, 2023 (this “Amendment”), among ENTEGRIS, INC., a Delaware corporation (the “Borrower”), the other CREDIT PARTIES party hereto, the LENDERS party hereto and MORGAN STANLEY SENIOR FUNDING, INC., as Administrative Agent. Reference is made to the Credit and Guaranty Agreement, dated as of November 6, 2018, as amended and restat

August 3, 2023 EX-99.2

Earnings Summary August 3, 2023 Second Quarter 2023 Exhibit 99.2 This presentation contains forward-looking statements. The words “believe,” “expect,” “anticipate,” “intend,” “estimate,” “forecast,” “project,” “should,” “may,” “will,” “would” or the

entgq22023ex992 Earnings Summary August 3, 2023 Second Quarter 2023 Exhibit 99.2 This presentation contains forward-looking statements. The words “believe,” “expect,” “anticipate,” “intend,” “estimate,” “forecast,” “project,” “should,” “may,” “will,” “would” or the negative thereof and similar expressions are intended to identify such forward-looking statements. These forward-looking statements ma

August 3, 2023 EX-99.1

ENTEGRIS REPORTS RESULTS FOR SECOND QUARTER OF 2023

PRESS RELEASE Bill Seymour VP of Investor Relations T + 1 952 556 1844 [email protected] Exhibit 99.1 ENTEGRIS REPORTS RESULTS FOR SECOND QUARTER OF 2023 •Second-quarter revenue (as reported) of $901 million, increased 30% from prior year •Second-quarter revenue (proforma), decreased 11% from prior year •Second-quarter GAAP diluted EPS of $1.31 •Second-quarter non-GAAP diluted EPS of $0.66

August 3, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) August 3, 2023 Entegris, Inc. (Ex

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) August 3, 2023 Entegris, Inc. (Exact name of registrant as specified in its charter) Delaware 001-32598 41-1941551 (State or Other Jurisdiction of Incorporation) (Commission File Numb

August 3, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended July 1, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001

July 19, 2023 EX-99.1

ENTEGRIS DECLARES QUARTERLY CASH DIVIDEND

NEWS RELEASE Bill Seymour VP of Investor Relations T + 1 952 556 1844 [email protected] Exhibit 99.1 ENTEGRIS DECLARES QUARTERLY CASH DIVIDEND BILLERICA, Mass., July 19, 2023 - Entegris, Inc. (Nasdaq: ENTG), a leading supplier of advanced materials and process solutions for the semiconductor and other high-technology industries, today announced that its Board of Directors has authorized a

July 19, 2023 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) July 19, 2023 Entegris, Inc. (Exact name of registrant as specified in its charter) Delaware 001-32598 41-1941551 (State or Other Jurisdiction of Incorporation) (Commission File Numbe

June 5, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) June 5, 2023 Entegris, Inc. (Exac

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) June 5, 2023 Entegris, Inc. (Exact name of registrant as specified in its charter) Delaware 001-32598 41-1941551 (State or Other Jurisdiction of Incorporation) (Commission File Number

June 5, 2023 EX-99.1

Entegris and Element Solutions Terminate Distribution Agreement Entegris to receive $200 million in exchange for ending exclusive ViaForm® copper damascene products distribution arrangement

Exhibit 99.1 NEWS RELEASE Entegris and Element Solutions Terminate Distribution Agreement Entegris to receive $200 million in exchange for ending exclusive ViaForm® copper damascene products distribution arrangement Billerica, MA, June 5, 2023 – Entegris, Inc. (NASDAQ: ENTG), a leading supplier of advanced materials and process solutions for the semiconductor and other high-tech industries, today

May 17, 2023 EX-1.01

Entegris, Inc. Conflict Minerals Report for the reporting period from January 1, 202

Exhibit 1.01 Entegris, Inc. Conflict Minerals Report For the reporting period from January 1, 2022 to December 31, 2022 1.Introduction This Conflict Minerals Report (this “Report”) of Entegris, Inc. (herein referred to as the “Company”, “we”, “us”, or “our”) has been prepared pursuant to Rule 13p-1 and Form SD (the “Rule”) promulgated under the Securities Exchange Act of 1934, as amended (the “Exc

May 17, 2023 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT Entegris, Inc. (Exact name of the registrant as specified in its charter)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT Entegris, Inc. (Exact name of the registrant as specified in its charter) Delaware 001-32598 (State or other jurisdiction of (Commission incorporation or organization) File Number) 129 Concord Road Billerica, Massachusetts 01821 (Address of principal executive offices) (Zip Code) Joseph Co

May 11, 2023 EX-99.1

ENTEGRIS REPORTS RESULTS FOR FIRST QUARTER OF 2023

PRESS RELEASE Bill Seymour VP of Investor Relations T + 1 952 556 1844 [email protected] Exhibit 99.1 ENTEGRIS REPORTS RESULTS FOR FIRST QUARTER OF 2023 •First-quarter revenue (as reported) of $922.4 million, increased 42% from prior year •First-quarter revenue (proforma), decreased 3.7% •First-quarter GAAP diluted EPS of $(0.59) •First-quarter non-GAAP diluted EPS of $0.65 BILLERICA, Mass

May 11, 2023 EX-99.2

Earnings Summary May 11, 2023 First Quarter 2023 Exhibit 99.2 This presentation contains forward looking statements. The words “believe,” “expect,” “anticipate,” “intend,” “estimate,” “forecast,” “project,” “should,” “may,” “will,” “would” or the neg

entgq12023ex992 Earnings Summary May 11, 2023 First Quarter 2023 Exhibit 99.2 This presentation contains forward looking statements. The words “believe,” “expect,” “anticipate,” “intend,” “estimate,” “forecast,” “project,” “should,” “may,” “will,” “would” or the negative thereof and similar expressions are intended to identify such forward looking statements. These forward looking statements may i

May 11, 2023 EX-10.2

Transition Services Agreement, effective April 11, 2023,

TRANSITION SERVICES AGREEMENT THIS TRANSITION SERVICES AGREEMENT (the “Agreement”) is made effective as of April 11, 2023 (the “Effective Date”), by and between Entegris, Inc.

May 11, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended April 1, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 00

May 11, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) May 11, 2023 Entegris, Inc. (Exac

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) May 11, 2023 Entegris, Inc. (Exact name of registrant as specified in its charter) Delaware 001-32598 41-1941551 (State or Other Jurisdiction of Incorporation) (Commission File Number

May 11, 2023 EX-10.1

Employment Offer Letter, dated April 8, 2023, between Entegris, Inc. and Linda LaGorga*

April 8, 2023 Ms. Linda LaGorga 23 W. Chicago Ave, Apt. 3809 Chicago, IL 60654 Dear Linda, I am pleased to confirm our offer of employment to join Entegris as Senior Vice President, Chief Financial Officer, reporting to Bertrand Loy. We are looking forward to welcoming you as a member our Executive Leadership Team, with an anticipated start date of May 8, 2023 Below is a summary of the key aspects

May 10, 2023 EX-99.1

Entegris to Sell Electronic Chemicals Business to Fujifilm Transaction Continues Streamlining of Business as Entegris Maintains Focus on Core Capabilities and Strategic Objectives Strengthens Balance Sheet by Accelerating Debt Paydown Following CMC A

Exhibit 99.1 NEWS RELEASE Entegris to Sell Electronic Chemicals Business to Fujifilm Transaction Continues Streamlining of Business as Entegris Maintains Focus on Core Capabilities and Strategic Objectives Strengthens Balance Sheet by Accelerating Debt Paydown Following CMC Acquisition Billerica, U.S., May 10, 2023 - Entegris, Inc. (NASDAQ: ENTG), a leading supplier of advanced materials and proce

May 10, 2023 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) May 10, 2023 Entegris, Inc. (Exact name of registrant as specified in its charter) Delaware 001-32598 41-1941551 (State or Other Jurisdiction of Incorporation) (Commission File Number

May 4, 2023 CORRESP

ENTEGRIS, INC. 129 Concord Road Billerica, MA 01821

ENTEGRIS, INC. 129 Concord Road Billerica, MA 01821 May 4, 2023 VIA EDGAR Nudrat Salik and Jeanne Baker U.S. Securities and Exchange Commission Division of Corporation Finance Office of Industrial Applications and Services 100 F Street, N.E. Washington, D.C. 20549 Re: Entegris, Inc. Form 10-K for the Year Ended December 31, 2022 Form 8-K Filed February 14, 2023 File No. 001-32598 Dear Ms. Nudrat S

April 26, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) April 26, 2023 Entegris, Inc. (Ex

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) April 26, 2023 Entegris, Inc. (Exact name of registrant as specified in its charter) Delaware 001-32598 41-1941551 (State or Other Jurisdiction of Incorporation) (Commission File Numb

April 19, 2023 EX-99.1

ENTEGRIS DECLARES QUARTERLY CASH DIVIDEND

NEWS RELEASE Bill Seymour VP of Investor Relations T + 1 952 556 1844 [email protected] Exhibit 99.1 ENTEGRIS DECLARES QUARTERLY CASH DIVIDEND BILLERICA, Mass., April 19, 2023 - Entegris, Inc. (Nasdaq: ENTG), a leading supplier of advanced materials and process solutions for the semiconductor and other high-technology industries, today announced that its Board of Directors has authorized a

April 19, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) April 19, 2023 Entegris, Inc. (Ex

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) April 19, 2023 Entegris, Inc. (Exact name of registrant as specified in its charter) Delaware 001-32598 41-1941551 (State or Other Jurisdiction of Incorporation) (Commission File Numb

April 12, 2023 CORRESP

ENTEGRIS, INC. 129 Concord Road Billerica, MA 01821

ENTEGRIS, INC. 129 Concord Road Billerica, MA 01821 April 12, 2023 VIA EDGAR Nudrat Salik and Jeanne Baker U.S. Securities and Exchange Commission Division of Corporation Finance Office of Industrial Applications and Services 100 F Street, N.E. Washington, D.C. 20549 Re: Entegris, Inc. Form 10-K for the Year Ended December 31, 2022 Form 8-K Filed February 14, 2023 File No. 001-32598 Dear Ms. Nudra

April 11, 2023 EX-99.1

Entegris Appoints Linda LaGorga as Chief Financial Officer

Exhibit 99.1 NEWS RELEASE Entegris Appoints Linda LaGorga as Chief Financial Officer BILLERICA, Mass. – April 11, 2023 – Entegris, Inc. (Nasdaq: ENTG), a leading supplier of advanced materials and process solutions for the semiconductor and other high-technology industries, today announced the appointment of Linda LaGorga as chief financial officer, effective May 15, 2023. She succeeds Greg Graves

April 11, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): April 11, 2023 Entegris, Inc. (Exact name of registrant as specified in its charter) Delaware 001-32598 41-1941551 (State or Other Jurisdiction of Incorporation) (Commission File Num

March 17, 2023 DEF 14A

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

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 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 State

March 17, 2023 DEF 14A

COURTESY COPY

March 13, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): March 10, 2023 Entegris, Inc. (E

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): March 10, 2023 Entegris, Inc. (Exact name of registrant as specified in its charter) Delaware 001-32598 41-1941551 (State or Other Jurisdiction of Incorporation) (Commission File Num

March 13, 2023 EX-10.01

Amendment No. 1, dated as of March 10, 2023, among Entegris, Inc., as borrower, the other credit parties party thereto, the lenders party thereto and Morgan Stanley Senior Funding, Inc., as administrative agent.

Exhibit 10.01 EXECUTION VERSION AMENDMENT NO. 1, dated as of March 10, 2023 (this “Amendment”), among ENTEGRIS, INC., a Delaware corporation (the “Borrower”), the other CREDIT PARTIES party hereto, the LENDERS party hereto and MORGAN STANLEY SENIOR FUNDING, INC., as Administrative Agent. Reference is made to the Credit and Guaranty Agreement, dated as of November 6, 2018, as amended and restated a

March 1, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported): March 1, 2023 Entegris, Inc. (Exact name of registrant as specified in its charter) Delaware 001-32598 41-1941551 (State or Other Jurisdiction of Incorporation) (Commission File Numb

February 27, 2023 EX-99.1

Entegris Appoints James Anderson to Board of Directors

NEWS RELEASE Exhibit 99.1 Entegris Appoints James Anderson to Board of Directors BILLERICA, Mass., February 27, 2023 - Entegris, Inc. (NASDAQ: ENTG), a leading supplier of advanced materials and process solutions for the semiconductor and other high-technology industries, today announced the appointment of James (Jim) Anderson to its board of directors. Mr. Anderson is the president and chief exec

February 27, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) February 27, 2023 Entegris, Inc.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) February 27, 2023 Entegris, Inc. (Exact name of registrant as specified in its charter) Delaware 001-32598 41-1941551 (State or Other Jurisdiction of Incorporation) (Commission File N

February 23, 2023 EX-21

Subsidiaries of Entegris, Inc.

Exhibit 21 Subsidiaries of Entegris, Inc. Name of Subsidiary Jurisdiction ATMI International Trading Co. Ltd. China CMC Materials Asia Pte. Ltd. Singapore CMC Materials B.V. The Netherlands CMC Materials EC, Inc. Texas CMC Materials EC Pte. Ltd. Singapore CMC Materials France SAS France CMC Materials Global Corp. Delaware CMC Materials Inc. Delaware CMC Materials Italia Srl Italy CMC Materials Jap

February 23, 2023 EX-10.2

Entegris, Inc 2023 RSU Award Agreement *

Exhibit 10.2 ENTEGRIS, INC. RSU Award Agreement (2020 Stock Plan) In consideration of services rendered to Entegris, Inc. (the “Company”), the Company may periodically make equity incentive awards consisting of restricted stock units with respect to the Company’s Common Stock, $0.01 par value (“Stock”), to certain key employees, non-employee directors, consultants or advisors of the Company under

February 23, 2023 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-32

February 23, 2023 EX-10.1

2023 Performance-Based RSU Award Agreement *

Exhibit 10.1 ENTEGRIS, INC. Performance-Based RSU Award Agreement (2020 Stock Plan) In consideration of services rendered to Entegris, Inc. (the “Company”), the Company may periodically make equity incentive awards consisting of performance-based restricted stock units with respect to the Company’s Common Stock, $0.01 par value (“Stock”), to certain key employees, non-employee directors, consultan

February 23, 2023 EX-10.3

2023 Stock Option Award Agreement *

EX-10.3 4 exhibit103-stockoptiongran.htm EX-10.3 Exhibit 10.3 ENTEGRIS, INC. Stock Option Award Agreement (2020 Stock Plan) In consideration of services rendered to Entegris, Inc. (the “Company”), the Company may periodically make equity incentive awards consisting of stock options with respect to the Company’s Common Stock, $0.01 par value (“Stock”), to certain key employees, non-employee directo

February 23, 2023 EX-24

Power of Attorney by the Directors of Entegris, Inc.

Exhibit 24 POWER OF ATTORNEY KNOW ALL PERSONS BY THESE PRESENTS, that the undersigned Directors and Officers of Entegris, Inc.

February 14, 2023 EX-99.2

Earnings Summary February 14, 2023 Fourth Quarter 2022 Exhibit 99.2 This presentation contains forward looking statements. The words “believe,” “expect,” “anticipate,” “intend,” “estimate,” “forecast,” “project,” “should,” “may,” “will,” “would” or t

entgq42022ex992 Earnings Summary February 14, 2023 Fourth Quarter 2022 Exhibit 99.

February 14, 2023 EX-99.1

ENTEGRIS REPORTS RESULTS FOR FOURTH QUARTER OF 2022

EX-99.1 2 entgq42022ex991.htm EX-99.1 PRESS RELEASE Bill Seymour VP of Investor Relations T + 1 952 556 1844 [email protected] Exhibit 99.1 ENTEGRIS REPORTS RESULTS FOR FOURTH QUARTER OF 2022 •Fourth-quarter revenue (as reported) of $946 million, increased 49% from prior year •Fourth-quarter revenue (proforma), increased 1% •Full-year 2022 revenue (as reported), increased 43% from prior ye

February 14, 2023 SC 13G/A

ENTG / Entegris Inc / Select Equity Group, L.P. - SCHEDULE 13G/A (AMENDMENT NO. 1) Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* Entegris, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 29362U104 (CUSIP Number) December 31, 2022 (Date of Event Which Requires Filing of This Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is filed: ☒ R

February 14, 2023 EX-99.1

EXHIBIT 99.1

EXHIBIT 99.1 The identity and the Item 3 classification of the relevant subsidiary are: Select Equity Group, L.P., which is an Investment Adviser in accordance with Rule 13d-1(b)(1)(ii)(E).

February 14, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) February 14, 2023 Entegris, Inc.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) February 14, 2023 Entegris, Inc. (Exact name of registrant as specified in its charter) Delaware 001-32598 41-1941551 (State or Other Jurisdiction of Incorporation) (Commission File N

February 13, 2023 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) February 10, 2023 Entegris, Inc. (Exact name of registrant as specified in its charter) Delaware 001-32598 41-1941551 (State or Other Jurisdiction of Incorporation) (Commission File N

February 9, 2023 SC 13G/A

ENTG / Entegris Inc / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv0830-entegrisinc.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 11)* Name of issuer: Entegris Inc. Title of Class of Securities: Common Stock CUSIP Number: 29362U104 Date of Event Which Requires Filing of this Statement: December 30, 2022 Check the appropriate box to designate the rule

January 23, 2023 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) January 23, 2023 Entegris, Inc. (Exact name of registrant as specified in its charter) Delaware 001-32598 41-1941551 (State or Other Jurisdiction of Incorporation) (Commission File Nu

January 23, 2023 EX-99.1

Entegris Chief Financial Officer Greg Graves Plans to Retire Company Initiates Search for Successor

NEWS RELEASE Exhibit 99.1 Entegris Chief Financial Officer Greg Graves Plans to Retire Company Initiates Search for Successor BILLERICA, Mass. – January 23, 2023 – Entegris, Inc. (Nasdaq: ENTG), a leading supplier of advanced materials and process solutions for the semiconductor and other high-technology industries, today announced that Greg Graves, executive vice president and chief financial off

January 20, 2023 EX-99.1

Quad-C Management to Acquire QED Technologies from Entegris

Exhibit 99.1 JOINT NEWS RELEASE Quad-C Management to Acquire QED Technologies from Entegris Charlottesville, VA, Rochester, NY, and Billerica, MA, January 20, 2023 - Quad-C Management, Inc. (“Quad-C”), a leading middle market private equity firm, and Entegris, Inc. (NASDAQ: ENTG, “Entegris”), a leading supplier of advanced materials and process solutions for the semiconductor and other high-techno

January 20, 2023 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) January 19, 2023 Entegris, Inc. (Exact name of registrant as specified in its charter) Delaware 001-32598 41-1941551 (State or Other Jurisdiction of Incorporation) (Commission File Nu

January 18, 2023 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) January 18, 2023 Entegris, Inc. (Exact name of registrant as specified in its charter) Delaware 001-32598 41-1941551 (State or Other Jurisdiction of Incorporation) (Commission File Nu

January 18, 2023 EX-99.1

ENTEGRIS DECLARES QUARTERLY CASH DIVIDEND

NEWS RELEASE Bill Seymour VP of Investor Relations T + 1 952 556 1844 [email protected] Exhibit 99.1 ENTEGRIS DECLARES QUARTERLY CASH DIVIDEND BILLERICA, Mass., January 18, 2023 - Entegris, Inc. (Nasdaq: ENTG), a leading supplier of advanced materials and process solutions for the semiconductor and other high-technology industries, today announced that its Board of Directors has authorized

December 9, 2022 8-K

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) December 8, 2022 Entegris, Inc. (Exact name of registrant as specified in its charter) Delaware 001-32598 41-1941551 (State or Other Jurisdiction of Incorporation) (Commission File Nu

December 9, 2022 EX-3.1

By-Laws of Entegris, Inc., as amended December 8, 2022

BY-LAWS OF ENTEGRIS, INC. AS AMENDED DECEMBER 8, 2022 BY-LAWS of ENTEGRIS, INC. TABLE OF CONTENTS Page ARTICLE 1 ? OFFICES 1 1.1 Registered Offices 1 1.2 Other Offices 1 1.3 Books 1 ARTICLE 2 ? STOCKHOLDERS 1 2.1 Place of Meetings 1 2.2 Annual Meeting 1 2.3 Special Meetings 1 2.4 Notice of Meetings 2 2.5 Voting List 2 2.6 Quorum 2 2.7 Adjournments 2 2.8 Voting and Proxies 2 2.9 Proxy Representatio

November 2, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended October 1, 2022 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number:

November 2, 2022 EX-10.2

Separation Agreement and Release, dated as of September 1, 2022, by and between the Company and Todd Edlund

SEPARATION AGREEMENT AND RELEASE This Separation Agreement and Release (?Agreement?) is entered into by and between Todd Edlund (?Executive?), a resident of Minnesota, and Entegris, Inc.

November 2, 2022 EX-99.2

Earnings Summary November 2, 2022 Third Quarter 2022 Exhibit 99.2 This presentation contains forward-looking statements. The words “believe,” “expect,” “anticipate,” “intend,” “estimate,” “forecast,” “project,” “should,” “may,” “will,” “would” or the

entgq32022ex992 Earnings Summary November 2, 2022 Third Quarter 2022 Exhibit 99.2 This presentation contains forward-looking statements. The words “believe,” “expect,” “anticipate,” “intend,” “estimate,” “forecast,” “project,” “should,” “may,” “will,” “would” or the negative thereof and similar expressions are intended to identify such forward-looking statements. These forward-looking statements i

November 2, 2022 EX-99.1

ENTEGRIS REPORTS RESULTS FOR THIRD QUARTER OF 2022

PRESS RELEASE Bill Seymour VP of Investor Relations T + 1 952 556 1844 [email protected] Exhibit 99.1 FOR RELEASE AT 6:00 AM EDT ENTEGRIS REPORTS RESULTS FOR THIRD QUARTER OF 2022 •Third-quarter revenue (as reported) of $994 million, increased 71% from prior year •Third-quarter revenue (proforma), increased 14% •Third-quarter GAAP diluted EPS of ($0.50) •Third-quarter non-GAAP diluted EPS

November 2, 2022 EX-10.1

Fourth Amendment to Lease Agreement, dated as of September 16, 2022, by and between the Company and Rivertech Owner LLC

FOURTH AMENDMENT TO LEASE AGREEMENT THIS FOURTH AMENDMENT TO LEASE AGREEMENT (this ?Amendment?) is made as of the day of September, 2022, by and between RIVERTECH OWNER LLC, a Delaware limited liability company (?Landlord?), and ENTEGRIS, INC.

November 2, 2022 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) November 2, 2022 Entegris, Inc. (

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) November 2, 2022 Entegris, Inc. (Exact name of registrant as specified in its charter) Delaware 001-32598 41-1941551 (State or Other Jurisdiction of Incorporation) (Commission File Nu

October 19, 2022 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) October 19, 2022 Entegris, Inc. (Exact name of registrant as specified in its charter) Delaware 001-32598 41-1941551 (State or Other Jurisdiction of Incorporation) (Commission File Nu

October 19, 2022 EX-99.1

ENTEGRIS DECLARES QUARTERLY CASH DIVIDEND

NEWS RELEASE Bill Seymour VP of Investor Relations T + 1 952 556 1844 [email protected] Exhibit 99.1 ENTEGRIS DECLARES QUARTERLY CASH DIVIDEND BILLERICA, Mass., October 19, 2022 - Entegris, Inc. (Nasdaq: ENTG), today announced that its Board of Directors has authorized a quarterly cash dividend of $0.10 per share to be paid on November 23, 2022 to shareholders of record on the close of bus

October 11, 2022 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) October 10, 2022 Entegris, Inc. (Exact name of registrant as specified in its charter) Delaware 001-32598 41-1941551 (State or Other Jurisdiction of Incorporation) (Commission File Nu

October 11, 2022 EX-99.1

Infineum to Acquire Entegris’ Pipeline and Industrial Materials business as part of its Transformational Growth Strategy

Exhibit 99.1 JOINT NEWS RELEASE Infineum to Acquire Entegris? Pipeline and Industrial Materials business as part of its Transformational Growth Strategy Abingdon, U.K. and Billerica, U.S., October 11, 2022 - Infineum and Entegris, Inc. (NASDAQ: ENTG) today announced that the companies have entered into a definitive agreement for Infineum to acquire Entegris? Pipeline and Industrial Materials busin

September 16, 2022 EX-99.1

UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL STATEMENTS

Exhibit 99.1 UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL STATEMENTS On July 6, 2022 (the ?Closing Date?), Entegris, Inc. (?Entegris?, or ?the Company?) completed its previously announced acquisition of CMC Materials, Inc. (?CMC?), pursuant to the terms of the Agreement and Plan of Merger, dated as of December 14, 2021 (the ?Merger Agreement?), by and among the Company, CMC and Yosemite Merger

September 16, 2022 8-K/A

Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A (Amendment No. 1) CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported) July 6, 2022 Entegris Inc. (Exact name of registrant as specified in its charter) Delaware 001-32598 41-1941551 (State or Other Jurisdiction of Incorporation) (Com

August 2, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended July 2, 2022 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001

August 2, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) August 2, 2022 Entegris, Inc. (Exact name of registrant as specified in its charter) Delaware 001-32598 41-1941551 (State or Other Jurisdiction of Incorporation) (Commission File Numb

August 2, 2022 EX-99.1

ENTEGRIS REPORTS RESULTS FOR SECOND QUARTER OF 2022

PRESS RELEASE Bill Seymour VP of Investor Relations T + 1 952 556 1844 [email protected] Exhibit 99.1 FOR RELEASE AT 6:00 AM EDT ENTEGRIS REPORTS RESULTS FOR SECOND QUARTER OF 2022 ?Second-quarter revenue of $692 million, increased 21% from prior year ?Second-quarter GAAP diluted EPS of $0.73, increased 12% ?Second-quarter non-GAAP diluted EPS of $1.00, increased 18% BILLERICA, Mass., Augu

August 2, 2022 EX-99.2

Earnings Summary August 2, 2022 Second Quarter 2022 Exhibit 99.2 This presentation contains forward-looking statements. The words “believe,” “expect,” “anticipate,” “intend,” “estimate,” “forecast,” “project,” “should,” “may,” “will,” “would” or the

Earnings Summary August 2, 2022 Second Quarter 2022 Exhibit 99.2 This presentation contains forward-looking statements. The words ?believe,? ?expect,? ?anticipate,? ?intend,? ?estimate,? ?forecast,? ?project,? ?should,? ?may,? ?will,? ?would? or the negative thereof and similar expressions are intended to identify such forward-looking statements. These forward-looking statements include statements

July 20, 2022 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) July 20, 2022 Entegris, Inc. (Exact name of registrant as specified in its charter) Delaware 001-32598 41-1941551 (State or Other Jurisdiction of Incorporation) (Commission File Numbe

July 20, 2022 EX-99.1

ENTEGRIS DECLARES QUARTERLY CASH DIVIDEND

NEWS RELEASE Bill Seymour VP of Investor Relations T + 1 952 556 1844 [email protected] Exhibit 99.1 ENTEGRIS DECLARES QUARTERLY CASH DIVIDEND BILLERICA, Mass., July 20, 2022 - Entegris, Inc. (Nasdaq: ENTG), today announced that its Board of Directors has authorized a quarterly cash dividend of $0.10 per share to be paid on August 24, 2022 to shareholders of record on the close of business

July 7, 2022 EX-10.1

CMC Materials, Inc. 2021 Omnibus Incentive Pla

Exhibit 10.1 CMC MATERIALS, INC. 2021 OMNIBUS INCENTIVE PLAN 1. PURPOSE The purpose of this CMC Materials, Inc. 2021 Omnibus Incentive Plan (as may be amended from time to time, the ?Plan?), is to advance the interests of CMC Materials, Inc. (the ?Company?) and its stockholders by enhancing the Company?s ability to (a) attract and retain employees, directors, consultants and advisors who are in a

July 7, 2022 EX-4.3

Amendment Number 1 to the CMC Materials, Inc. 2021 Omnibus Incentive Pla

Exhibit 4.3 AMENDMENT NO. 1 TO CMC MATERIALS, INC. 2021 OMNIBUS INCENTIVE PLAN July 6, 2022 WHEREAS, Entegris, Inc., a Delaware corporation (?Entegris?), entered into an Agreement and Plan of Merger, dated as of December 14, 2021 (together with all schedules and exhibits thereto, the ?Merger Agreement?), by and among CMC Materials, Inc., a Delaware corporation (the ?Company?), Entegris, and Yosemi

July 7, 2022 EX-FILING FEES

Filing Fee Table.*

Exhibit 107 CALCULATION OF FILING FEE TABLE FORM S-8 (Form Type) Entegris, Inc. (Exact Name of Registrant as Specified in its Charter) Table I: Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered (1) Proposed Maximum Offering Price Per Unit (2) Maximum Aggregate Offering Price (2) Fee Rate Amount of Registration Fee Equity Common Stock, par value $

July 7, 2022 EX-10.2

Cabot Microelectronics Corporation 2012 Omnibus Incentive Pla

Exhibit 10.2 CABOT MICROELECTRONICS CORPORATION 2012 OMNIBUS INCENTIVE PLAN (as amended effective March 7, 2017) 1. PURPOSE The purpose of this Cabot Microelectronics Corporation 2012 Omnibus Incentive Plan, as amended (the ?Plan?), is to advance the interests of Cabot Microelectronics Corporation (the ?Company?) and its stockholders by enhancing the Company?s ability to (a) attract and retain emp

July 7, 2022 EX-FILING FEES

CALCULATION OF FILING FEE TABLE FORM S-3 (Form Type) Entegris, Inc. (Exact Name of Registrant as Specified in its Charter) Table I: Newly Registered Securities

Exhibit 107 CALCULATION OF FILING FEE TABLE FORM S-3 (Form Type) Entegris, Inc. (Exact Name of Registrant as Specified in its Charter) Table I: Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered (1) Proposed Maximum Offering Price Per Unit (2) Maximum Aggregate Offering Price (2) Fee Rate Amount of Registration Fee Equity Common Stock, par value $

July 7, 2022 S-3ASR

As filed with the Securities and Exchange Commission on July 6, 2022

TABLE OF CONTENTS As filed with the Securities and Exchange Commission on July 6, 2022 Registration No.

July 7, 2022 S-8

As filed with the U.S. Securities and Exchange Commission on July 6, 2022

As filed with the U.S. Securities and Exchange Commission on July 6, 2022 Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-8 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 ENTEGRIS, INC. (Exact name of registrant as specified in its charter) Delaware 41-1941551 (State or other jurisdiction of incorporation or organization) (I.R.S. Employ

July 6, 2022 EX-4.10

Amendment and Restatement Agreement, dated as of July 6, 2022, among Entegris, as borrower, certain subsidiaries of Entegris, as guarantors, the lenders party thereto, the issuing banks party thereto and Morgan Stanley Senior Funding, Inc., as administrative agent and collateral agent.

Exhibit 4.10 AMENDMENT AND RESTATEMENT AGREEMENT dated as of July 6, 2022 (this ?Amendment?), among ENTEGRIS, INC., a Delaware corporation (the ?Borrower?), the other CREDIT PARTIES party hereto, the LENDERS party hereto, the ISSUING BANKS party hereto and MORGAN STANLEY SENIOR FUNDING, INC., as Administrative Agent and as Collateral Agent. Reference is made to (a) that certain Credit and Guaranty

July 6, 2022 EX-4.3

First Supplemental Indenture to the 2029 Secured Notes Indenture, dated as of July 6, 2022, by and among Entegris, certain subsidiaries of Entegris and Truist Bank, as trustee and notes collateral agent

Exhibit 4.3 FIRST SUPPLEMENTAL INDENTURE FIRST SUPPLEMENTAL INDENTURE (this ?Supplemental Indenture?), dated as of July 6, 2022, among the Entegris, Inc. (the ?Company?), Entegris Escrow Corporation (the ?Escrow Issuer?), the Guarantors party hereto and Truist Bank, as trustee under the Indenture referred to below (the ?Trustee?). W I T N E S S E T H WHEREAS, the Issuer has heretofore executed and

July 6, 2022 EX-99.1

ENTEGRIS COMPLETES ACQUISITION OF CMC MATERIALS, SOLIDIFYING POSITION AS THE GLOBAL LEADER IN ELECTRONIC MATERIALS

Exhibit 99.1 NEWS RELEASE ENTEGRIS COMPLETES ACQUISITION OF CMC MATERIALS, SOLIDIFYING POSITION AS THE GLOBAL LEADER IN ELECTRONIC MATERIALS BILLERICA, Mass. ? July 6, 2022 ? Entegris, Inc. (Nasdaq: ENTG) today announced that it has completed its acquisition of CMC Materials, Inc. (NASDAQ: CCMP). ?It is an exciting day at Entegris. With the closing of the acquisition of CMC Materials, we are creat

July 6, 2022 EX-99.2

Report of Independent Registered Public Accounting Firm

Exhibit 99.2 Report of Independent Registered Public Accounting Firm To the Board of Directors and Stockholders of CMC Materials, Inc. Opinion on the Financial Statements We have audited the accompanying consolidated balance sheets of CMC Materials, Inc. and its subsidiaries (the ?Company?) as of September 30, 2021 and 2020, and the related consolidated statements of (loss) income, of comprehensiv

July 6, 2022 EX-4.4

Supplemental Indenture to the 2030 Unsecured Notes Indenture, dated as of July 6, 2022, by and among Entegris, certain subsidiaries of Entegris and Truist Bank, as trustee.

Exhibit 4.4 FIRST SUPPLEMENTAL INDENTURE TO BE DELIVERED IN CONNECTION WITH THE ASSUMPTION FIRST SUPPLEMENTAL INDENTURE (this ?Supplemental Indenture?), dated as of July 6, 2022, among the Entegris, Inc. (the ?Company?), Entegris Escrow Corporation (the ?Escrow Issuer?), the Guarantors party hereto and Truist Bank, as trustee under the Indenture referred to below (the ?Trustee?). W I T N E S S E T

July 6, 2022 8-K

Regulation FD Disclosure, Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant, Completion of Acquisition or Disposition of Assets, 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) July 6, 2022 Entegris, Inc. (Exact name of registrant as specified in its charter) Delaware 001-32598 41-1941551 (State or Other Jurisdiction of Incorporation) (Commission File Number

July 6, 2022 EX-4.11

364-Day Bridge Credit and Guaranty Agreement, dated as of July 6, 2022, among Entegris, as borrower, certain subsidiaries of Entegris, as guarantors, the lenders party thereto and Morgan Stanley Senior Funding, Inc., as administrative agent.

Exhibit 4.11 364-DAY BRIDGE CREDIT AND GUARANTY AGREEMENT dated as of July 6, 2022, among ENTEGRIS, INC., CERTAIN SUBSIDIARIES OF ENTEGRIS, INC., as Guarantors, THE LENDERS PARTY HERETO and MORGAN STANLEY SENIOR FUNDING, INC., as Administrative Agent MORGAN STANLEY SENIOR FUNDING, INC., BARCLAYS BANK PLC, BOFA SECURITIES, INC., CITIBANK, N.A., PNC CAPITAL MARKETS LLC, TRUIST SECURITIES, INC. and W

July 6, 2022 EX-99.3

CMC MATERIALS, INC. CONSOLIDATED STATEMENTS OF INCOME (LOSS) (Unaudited and in thousands, except per share amounts)

Exhibit 99.3 CMC MATERIALS, INC. CONSOLIDATED STATEMENTS OF INCOME (LOSS) (Unaudited and in thousands, except per share amounts) Three Months Ended March 31, Six Months Ended March 31, 2022 2021 2022 2021 Revenue $ 324,127 $ 290,528 $ 641,173 $ 578,391 Cost of sales 195,904 166,782 387,114 331,741 Gross profit 128,223 123,746 254,059 246,650 Operating expenses: Research, development and technical

July 6, 2022 EX-4.9

Supplemental Indenture to the 2029 Notes Indenture, dated as of July 6, 2022, by and among Entegris, certain subsidiaries of Entegris and Computershare Trust Company, National Association, as successor to Wells Fargo Bank, National Association, as trustee.

Exhibit 4.9 FIRST SUPPLEMENTAL INDENTURE FIRST SUPPLEMENTAL INDENTURE (this ?First Supplemental Indenture?), dated as of July 6, 2022, among the Issuer, the guarantors party hereto (each, a ?Guaranteeing Subsidiary?), a subsidiary of the Issuer and Computershare Trust Company, National Association, as successor to Wells Fargo Bank, National Association, as trustee under the Indenture referred to b

July 6, 2022 EX-4.7

First Supplemental Indenture to the 2028 Notes Indenture, dated as of July 6, 2022, by and among Entegris, certain subsidiaries of Entegris and Computershare Trust Company, National Association, as successor to Wells Fargo Bank, National Association, as trustee.

Exhibit 4.7 FIRST SUPPLEMENTAL INDENTURE FIRST SUPPLEMENTAL INDENTURE (this ?First Supplemental Indenture?), dated as of July 6, 2022, among the Issuer, the guarantors party hereto (each, a ?Guaranteeing Subsidiary?), a subsidiary of the Issuer and Computershare Trust Company, National Association, as successor to Wells Fargo Bank, National Association, as trustee under the Indenture referred to b

July 6, 2022 EX-4.5

Equal Priority Intercreditor Agreement, dated as of July 6, 2022, among Entegris, certain subsidiaries of Entegris, Morgan Stanley Senior Funding, Inc., as senior credit facilities collateral agent, and Truist Bank, as notes collateral agent.

Exhibit 4.5 EQUAL PRIORITY INTERCREDITOR AGREEMENT dated as of July 6, 2022, among ENTEGRIS, INC., the other GRANTORS party hereto, MORGAN STANLEY SENIOR FUNDING, INC., as Senior Credit Facilities Collateral Agent for the Senior Credit Facilities Secured Parties, TRUIST BANK, as the Notes Collateral Agent for the Indenture Secured Parties, and each ADDITIONAL AGENT from time to time party hereto T

June 30, 2022 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant To Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of report (Date of earliest event reported): June 30, 2022 ENTEGRIS, INC. (Exact Name of Registrant as Specified in Charter) Delaware (State or Other Jurisdiction of Incorporation) 001-32598 41-1941551 (Commission File Number) (

June 30, 2022 EX-4.1

Indenture, dated as of June 30, 2022, by and among Entegris Escrow Corporation, as escrow issuer and Truist Bank, as trustee, including the form of note issuable thereunder.

Exhibit 4.1 ENTEGRIS ESCROW CORPORATION as Escrow Issuer, and TRUIST BANK as Trustee, INDENTURE Dated as of June 30, 2022 $895,000,000 5.950% Senior Unsecured Notes Due 2030 Table of Contents Page ARTICLE ONE DEFINITIONS AND OTHER PROVISIONS OF GENERAL APPLICATION SECTION 101. Rules of Construction 1 SECTION 102. Definitions 3 SECTION 103. Compliance Certificates and Opinions 35 SECTION 104. Form

June 30, 2022 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant To Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of report (Date of earliest event reported): June 30, 2022

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant To Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of report (Date of earliest event reported): June 30, 2022 ENTEGRIS, INC. (Exact Name of Registrant as Specified in Charter) Delaware (State or Other Jurisdiction of Incorporation) 001-32598 41-1941551 (Commission File Number) (

June 27, 2022 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) June 27, 2022 (June 24, 2022) Ent

false000110130200011013022022-06-242022-06-24 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

June 27, 2022 EX-99.1

Transaction Expected to Close on July 6, 2022

Exhibit 99.1 Entegris and CMC Materials Receive China Antitrust Clearance for Pending Acquisition June 24, 2022 Transaction Expected to Close on July 6, 2022 BILLERICA, Mass. & AURORA, Ill.-(BUSINESS WIRE)-Jun. 24, 2022- Entegris, Inc. (NASDAQ: ENTG) and CMC Materials, Inc. (NASDAQ: CCMP) today announced that China?s State Administration for Market Regulation has given antitrust clearance for Ente

June 27, 2022 EX-99.1

Transaction Expected to Close on July 6, 2022

Exhibit 99.1 Entegris and CMC Materials Receive China Antitrust Clearance for Pending Acquisition June 24, 2022 Transaction Expected to Close on July 6, 2022 BILLERICA, Mass. & AURORA, Ill.-(BUSINESS WIRE)-Jun. 24, 2022- Entegris, Inc. (NASDAQ: ENTG) and CMC Materials, Inc. (NASDAQ: CCMP) today announced that China?s State Administration for Market Regulation has given antitrust clearance for Ente

June 27, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) June 27, 2022 (June 24, 2022) Entegris, Inc. (Exact name of registrant as specified in its charter) Delaware 001-32598 41-1941551 (State or Other Jurisdiction of Incorporation) (Commi

June 24, 2022 425

Transaction Expected to Close on July 6, 2022

Filed by Entegris, Inc. Pursuant to Rule 425 under the Securities Act of 1933, as amended, and deemed filed pursuant to Rule 14a-6 under the Securities Exchange Act of 1934, as amended Subject Company: CMC Materials, Inc. Commission File No.: 000-30205 Entegris and CMC Materials Receive China Antitrust Clearance for Pending Acquisition June 24, 2022 Transaction Expected to Close on July 6, 2022 BI

June 17, 2022 EX-99.1

Entegris, Inc. Announces Pricing of Private Offering of Senior Unsecured Notes

EX-99.1 2 ny20003790x3ex99-1.htm EXHIBIT 99.1 Exhibit 99.1 Entegris, Inc. Announces Pricing of Private Offering of Senior Unsecured Notes NEW YORK, June 16, 2022 – Entegris, Inc. (Nasdaq: ENTG) (“Entegris”) today announced that its wholly-owned subsidiary, Entegris Escrow Corporation (the “Escrow Issuer”) priced its previously announced private offering of $895,000,000 aggregate principal amount o

June 17, 2022 EX-99.1

Entegris, Inc. Announces Pricing of Private Offering of Senior Unsecured Notes

Exhibit 99.1 Entegris, Inc. Announces Pricing of Private Offering of Senior Unsecured Notes NEW YORK, June 16, 2022 ? Entegris, Inc. (Nasdaq: ENTG) (?Entegris?) today announced that its wholly-owned subsidiary, Entegris Escrow Corporation (the ?Escrow Issuer?) priced its previously announced private offering of $895,000,000 aggregate principal amount of 5.950% senior unsecured notes due 2030 at a

June 17, 2022 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 16, 2022 ENTEGRIS, INC. (Exact

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 16, 2022 ENTEGRIS, INC.

June 17, 2022 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 16, 2022 ENTEGRIS, INC.

June 16, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 16, 2022 ENTEGRIS, INC.

June 16, 2022 EX-99.1

SUMMARY UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL INFORMATION

Exhibit 99.1 SUMMARY UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL INFORMATION The following summary unaudited pro forma condensed combined financial information is based on and derived from the separate historical financial statements of Entegris and CMC which are incorporated by reference elsewhere in this offering memorandum, after giving effect to the Merger and the other Transactions and g

June 16, 2022 EX-99.2

UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL INFORMATION

EX-99.2 3 ny20003790x2ex99-2.htm EXHIBIT 99.2 Exhibit 99.2 UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL INFORMATION The following unaudited pro forma condensed combined financial information is based on and derived from the separate historical financial statements of Entegris and CMC which are incorporated by reference elsewhere in this offering memorandum, after giving effect to the Merger an

June 16, 2022 EX-99.3

Entegris, Inc. Announces Proposed Private Offering of Senior Unsecured Notes

Exhibit 99.3 Entegris, Inc. Announces Proposed Private Offering of Senior Unsecured Notes NEW YORK, June 16, 2022 ? Entegris, Inc. (Nasdaq: ENTG) (?Entegris?) today announced that its wholly-owned subsidiary, Entegris Escrow Corporation (the ?Escrow Issuer?), intends to offer senior unsecured notes due 2030, subject to market and customary conditions. Entegris intends to use the net proceeds from

June 16, 2022 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 16, 2022 ENTEGRIS, INC. (Exact

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 16, 2022 ENTEGRIS, INC.

June 16, 2022 EX-99.1

SUMMARY UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL INFORMATION

Exhibit 99.1 SUMMARY UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL INFORMATION The following summary unaudited pro forma condensed combined financial information is based on and derived from the separate historical financial statements of Entegris and CMC which are incorporated by reference elsewhere in this offering memorandum, after giving effect to the Merger and the other Transactions and g

June 16, 2022 EX-99.3

Entegris, Inc. Announces Proposed Private Offering of Senior Unsecured Notes

Exhibit 99.3 Entegris, Inc. Announces Proposed Private Offering of Senior Unsecured Notes NEW YORK, June 16, 2022 ? Entegris, Inc. (Nasdaq: ENTG) (?Entegris?) today announced that its wholly-owned subsidiary, Entegris Escrow Corporation (the ?Escrow Issuer?), intends to offer senior unsecured notes due 2030, subject to market and customary conditions. Entegris intends to use the net proceeds from

June 16, 2022 EX-99.2

UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL INFORMATION

EX-99.2 3 ny20003790x4ex99-2.htm EXHIBIT 99.2 Exhibit 99.2 UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL INFORMATION The following unaudited pro forma condensed combined financial information is based on and derived from the separate historical financial statements of Entegris and CMC which are incorporated by reference elsewhere in this offering memorandum, after giving effect to the Merger an

May 24, 2022 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT Entegris, Inc. (Exact name of the registrant as specified in its charter)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT Entegris, Inc. (Exact name of the registrant as specified in its charter) Delaware 001-32598 (State or other jurisdiction of (Commission incorporation or organization) File Number) 129 Concord Road Billerica, Massachusetts 01821 (Address of principal executive offices) (Zip Code) Joseph Co

May 24, 2022 EX-1.01

Entegris, Inc. Conflict Minerals Report for the reporting period from January 1, 202

Exhibit 1.01 Entegris, Inc. Conflict Minerals Report For the reporting period from January 1, 2021 to December 31, 2021 1.Introduction This Conflict Minerals Report (this ?Report?) of Entegris, Inc. (herein referred to as the ?Company?, ?we?, ?us?, or ?our?) has been prepared pursuant to Rule 13p-1 and Form SD (the ?Rule?) promulgated under the Securities Exchange Act of 1934, as amended (the ?Exc

April 27, 2022 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) April 27, 2022 Entegris, Inc. (Exact name of registrant as specified in its charter) Delaware 001-32598 41-1941551 (State or Other Jurisdiction of Incorporation) (Commission File Numb

April 26, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended April 2, 2022 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 00

April 26, 2022 425

Filed by Entegris, Inc.

Filed by Entegris, Inc. Pursuant to Rule 425 under the Securities Act of 1933, as amended, and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934, as amended Subject Company: CMC Materials, Inc. Commission File No.: 000-30205 The following are excerpts from the Q1 2022 Earnings Conference Call with Entegris, Inc. on April 26, 2022: Bertrand Loy: *** Moving on to our pen

April 26, 2022 EX-99.1

ENTEGRIS REPORTS RESULTS FOR FIRST QUARTER OF 2022

EX-99.1 2 entgq12022ex991.htm EX-99.1 PRESS RELEASE Bill Seymour VP of Investor Relations and Treasury T + 1 952 556 1844 [email protected] Exhibit 99.1 FOR RELEASE AT 6:00 AM EDT ENTEGRIS REPORTS RESULTS FOR FIRST QUARTER OF 2022 •First-quarter revenue of $650 million, increased 27% from prior year •First-quarter GAAP diluted EPS of $0.92, increased 48% •First-quarter non-GAAP diluted EPS

April 26, 2022 EX-99.2

Earnings Summary April 26, 2022 First Quarter 2022 Exhibit 99.2 This presentation contains forward-looking statements. The words “believe,” “expect,” “anticipate,” “intend,” “estimate,” “forecast,” “project,” “should,” “may,” “will,” “would” or the n

entgq122slides Earnings Summary April 26, 2022 First Quarter 2022 Exhibit 99.2 This presentation contains forward-looking statements. The words “believe,” “expect,” “anticipate,” “intend,” “estimate,” “forecast,” “project,” “should,” “may,” “will,” “would” or the negative thereof and similar expressions are intended to identify such forward-looking statements. These forward-looking statements incl

April 26, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) April 26, 2022 Entegris, Inc. (Exact name of registrant as specified in its charter) Delaware 001-32598 41-1941551 (State or Other Jurisdiction of Incorporation) (Commission File Numb

April 20, 2022 EX-99.1

ENTEGRIS DECLARES QUARTERLY CASH DIVIDEND

NEWS RELEASE Bill Seymour VP of Investor Relations T + 1 952 556 1844 [email protected] Exhibit 99.1 ENTEGRIS DECLARES QUARTERLY CASH DIVIDEND BILLERICA, Mass., April 20, 2022 - Entegris, Inc. (Nasdaq: ENTG), today announced that its Board of Directors has authorized a quarterly cash dividend of $0.10 per share to be paid on May 25, 2022 to shareholders of record on the close of business o

April 20, 2022 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) April 20, 2022 Entegris, Inc. (Exact name of registrant as specified in its charter) Delaware 001-32598 41-1941551 (State or Other Jurisdiction of Incorporation) (Commission File Numb

April 15, 2022 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant To Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of report (Date of earliest event reported): April 14, 2022 ENTEGRIS, INC. (Exact Name of Registrant as Specified in Charter) Delaware (State or Other Jurisdiction of Incorporation) 001-32598 41-1941551 (Commission File Number)

April 15, 2022 EX-4.1

Exhibit 4.1

Exhibit 4.1 EXECUTION VERSION ENTEGRIS ESCROW CORPORATION as Escrow Issuer, and TRUIST BANK as Trustee and Notes Collateral Agent INDENTURE Dated as of April 14, 2022 $1,600,000,000 4.750% Senior Secured Notes Due 2029 Table of Contents Page ARTICLE One DEFINITIONS AND OTHER PROVISIONS OF GENERAL APPLICATION 1 SECTION 101. Rules of Construction 1 SECTION 102. Definitions 3 SECTION 103. Compliance

April 15, 2022 EX-4.1

Indenture, dated as of April 14, 2022, by and among Entegris Escrow Corporation, as escrow issuer and Truist Bank, as trustee and notes collateral agent, including the form of note issuable thereunder

Exhibit 4.1 EXECUTION VERSION ENTEGRIS ESCROW CORPORATION as Escrow Issuer, and TRUIST BANK as Trustee and Notes Collateral Agent INDENTURE Dated as of April 14, 2022 $1,600,000,000 4.750% Senior Secured Notes Due 2029 Table of Contents Page ARTICLE One DEFINITIONS AND OTHER PROVISIONS OF GENERAL APPLICATION 1 SECTION 101. Rules of Construction 1 SECTION 102. Definitions 3 SECTION 103. Compliance

April 15, 2022 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant To Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of report (Date of earliest event reported): April 14, 2022

425 1 ny20003659x4425.htm 425 falseENTEGRIS INCDE000110130200011013022022-04-142022-04-14 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant To Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of report (Date of earliest event reported): April 14, 2022 ENTEGRIS, INC. (Exact Name of Registrant as Specified in Charter) Delaware (St

April 8, 2022 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of report (Date of earliest event reported) April 6, 2022 Entegris, Inc. (Exact name of registrant as specified in its charter) Delaware (State or Other Jurisdiction of Incorporation or Organization) 001-32598 41-1941551 (Commi

April 6, 2022 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 5, 2022 ENTEGRIS, INC. (Exact

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 5, 2022 ENTEGRIS, INC.

April 6, 2022 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 5, 2022 ENTEGRIS, INC.

April 6, 2022 EX-99.1

Entegris, Inc. Announces Pricing of Private Offering of Notes

Exhibit 99.1 Entegris, Inc. Announces Pricing of Private Offering of Notes NEW YORK, April 5, 2022 ? Entegris, Inc. (Nasdaq: ENTG) (?Entegris?) today announced that its wholly-owned subsidiary, Entegris Escrow Corporation (the ?Escrow Issuer?) priced its previously announced private offering of $1,600,000,000 aggregate principal amount of 4.750% senior secured notes due 2029 at an issue price of $

April 6, 2022 EX-99.1

Entegris, Inc. Announces Pricing of Private Offering of Notes

Exhibit 99.1 Entegris, Inc. Announces Pricing of Private Offering of Notes NEW YORK, April 5, 2022 ? Entegris, Inc. (Nasdaq: ENTG) (?Entegris?) today announced that its wholly-owned subsidiary, Entegris Escrow Corporation (the ?Escrow Issuer?) priced its previously announced private offering of $1,600,000,000 aggregate principal amount of 4.750% senior secured notes due 2029 at an issue price of $

April 4, 2022 EX-99.1

SUMMARY UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL INFORMATION

Exhibit 99.1 SUMMARY UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL INFORMATION The following summary unaudited pro forma condensed combined financial information is based on and derived from the separate historical financial statements of Entegris and CMC which are incorporated by reference elsewhere in this offering memorandum, after giving effect to the Merger and the other Transactions and g

April 4, 2022 EX-99.3

Entegris, Inc. Announces Proposed Private Offering of Notes

EX-99.3 4 ny20003000x3ex99-3.htm EXHIBIT 99.3 Exhibit 99.3 Entegris, Inc. Announces Proposed Private Offering of Notes NEW YORK, April 4, 2022 – Entegris, Inc. (Nasdaq: ENTG) (“Entegris”) today announced that its wholly-owned subsidiary, Entegris Escrow Corporation (the “Escrow Issuer”), intends to offer senior secured notes due 2029, subject to market and customary conditions. Entegris intends to

April 4, 2022 EX-99.2

UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL INFORMATION

EX-99.2 3 ny20003000x3ex99-2.htm EXHIBIT 99.2 Exhibit 99.2 UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL INFORMATION The following unaudited pro forma condensed combined financial information is based on and derived from the separate historical financial statements of Entegris and CMC which are incorporated by reference elsewhere in this offering memorandum, after giving effect to the Merger an

April 4, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 4, 2022 ENTEGRIS, INC.

April 4, 2022 EX-99.3

Entegris, Inc. Announces Proposed Private Offering of Notes

Exhibit 99.3 Entegris, Inc. Announces Proposed Private Offering of Notes NEW YORK, April 4, 2022 ? Entegris, Inc. (Nasdaq: ENTG) (?Entegris?) today announced that its wholly-owned subsidiary, Entegris Escrow Corporation (the ?Escrow Issuer?), intends to offer senior secured notes due 2029, subject to market and customary conditions. Entegris intends to use the net proceeds from the proposed offeri

April 4, 2022 EX-99.2

UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL INFORMATION

Exhibit 99.2 UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL INFORMATION The following unaudited pro forma condensed combined financial information is based on and derived from the separate historical financial statements of Entegris and CMC which are incorporated by reference elsewhere in this offering memorandum, after giving effect to the Merger and the other Transactions and gives effect to t

April 4, 2022 425

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 4, 2022 ENTEGRIS, INC. (Exact

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 4, 2022 ENTEGRIS, INC.

April 4, 2022 EX-99.1

SUMMARY UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL INFORMATION

Exhibit 99.1 SUMMARY UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL INFORMATION The following summary unaudited pro forma condensed combined financial information is based on and derived from the separate historical financial statements of Entegris and CMC which are incorporated by reference elsewhere in this offering memorandum, after giving effect to the Merger and the other Transactions and g

March 17, 2022 DEF 14A

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

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 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 State

February 14, 2022 EX-99.1

EXHIBIT 99.1

EXHIBIT 99.1 The identity and the Item 3 classification of the relevant subsidiary are: Select Equity Group, L.P., which is an Investment Adviser in accordance with Rule 13d-1(b)(1)(ii)(E).

February 14, 2022 EX-99.2

AGREEMENT OF REPORTING PERSONS

EX-99.2 3 s50361396c.htm AGREEMENT OF REPORTING PERSONS EXHIBIT 99.2 AGREEMENT OF REPORTING PERSONS The undersigned acknowledge and agree that the foregoing statement on Schedule 13G is filed on behalf of each of the undersigned and that all subsequent amendments to this statement on Schedule 13G shall be filed on behalf of each of the undersigned without the necessity of filing additional joint f

February 14, 2022 SC 13G

ENTG / Entegris Inc / Select Equity Group, L.P. - SCHEDULE 13G Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Entegris, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 29362U104 (CUSIP Number) December 31, 2021 (Date of Event Which Requires Filing of This Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is filed: ? Ru

February 10, 2022 SC 13G/A

ENTG / Entegris Inc / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 10)* Name of issuer: Entegris Inc. Title of Class of Securities: Common Stock CUSIP Number: 29362U104 Date of Event Which Requires Filing of this Statement: December 31, 2021 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: ☒ Rule

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