NCS000533_Name-Owner Change Supporting Info_20210622

Delaware Page
The First State
I, JEFFREY W. BULLOCK, SECRETARY OF STATE OF THE STATE OF
DELAWARE, DO HEREBY CERTIFY THE ATTACHED IS A TRUE AND CORRECT
COPY OF THE CERTIFICATE OF MERGER, WHICH MERGES:
"SILAR, LLC", A DELAWARE LIMITED LIABILITY COMPANY,
WITH AND INTO "ENTEGRIS, INC. " UNDER THE NAME OF "ENTEGRIS,
INC.", A CORPORATION ORGANIZED AND EXISTING UNDER THE LAWS OF
THE STATE OF DELAWARE, AS RECEIVED AND FILED IN THIS OFFICE ON
THE EIGHTH DAY OF MARCH, A.D. 2021, AT 8:58 O'CLOCK A.M.
3941572 8100M
SR# 20210824690
Hlfny'H. Eullosh.3niMi7 d SLaI•
Authentication: 202686773
Date: 03-09-21
You may verify this certificate online at corp.delaware.gov/authver.shtml

CERTIFICATE OF MERGER
MERGING
SILAR, LLC
INTO
ENTEGRIS, INC.
State of Delaware
Secretary of State
Division of Corporations
Delivered 08:58 AM 03/08/2021
FILED 08:58 AM 03/08/2021
SR 20210824690 - HeNumber 3941572
Pursuant to Section 18-209 of the Delaware Limited Liability Company Act (the "LLC Act") and Section
264 of the Delaware General Corporation Law (the "DGCL"), the undersigned corporation submits the
following Certificate of Merger adopted for Filing and hereby certifies that:
FIRST: The name and state of jurisdiction of formation of each of the constituent entities is as
follows:
Name of Entity
Type of Entity
Jurisdiction of Formation
Sitar, LLC
Limited liability company
Delaware
Entegris, Inc.
Corporation
Delaware
SECOND: An Agreement and Plan of Merger (the "Plan of Merger") providing for the merger (the
"Mergr") of Sitar, LLC, a Delaware limited liability company, with and into Entegris,
Inc., a Delaware corporation, has been approved, adopted, certified, executed and
acknowledged by each of the constituent entities in accordance with the provisions of
Section 18-209 of the LLC Act and Section 264 of the DGCL.
THIRD: Entegris, Inc. shall be the surviving company after the Merger (the "Surviving
Company"). The name of the Surviving Company is Entegris, Inc.
FOURTH: The Merger is to become effective upon filing this Certificate of Merger.
FIFTH: The Amended and Restated Certificate of Incorporation of Entegris, Inc., as amended,
shall and will constitute the certificate of incorporation of the Surviving Company.
SIXTH: The executed Plan of Merger is on file at the office of the Surviving Company, the
address of which is 129 Concord Road, Billerica, Massachusetts 01821,
SEVENTH: A copy of the Plan of Merger will be furnished by the Surviving Company, on request
and without cost, to any shareholder of any constituent corporation or any member of any
constituent limited liability company.
[Signature Page Follows]
ENTEGRIS PROPRIETARY AND CONFIDENTIAL— INTERNAL

IN WITNESS WHEREOF, Entegris, Inc. has caused this Certificate of Merger to be signed by a duly
authorized officer thereof, on the 8th day of March, 2021.
ENTEGRIS, INC.
By:
Name: Joseph Colella
Title: Senior Vice President, General Counsel & Secretary