Document:

Employment Separation Agreement and Release between Entegris and James Dauwalter

 Exhibit 10.33 
  
 Employment Separation Agreement and Release 
  
 This Employment Separation Agreement and Release (“Agreement”) sets forth the mutual understanding and agreement
of Entegris, Inc., a Minnesota corporation with offices at 3500 Lyman Boulevard, Chaska, Minnesota, 55318 (“Entegris”) and James E. Dauwalter, an individual residing at 3250 Julian Drive, Chaska, Minnesota, 55318
(“Dauwalter”). This Agreement sets forth the rights and obligations of Dauwalter arising at the conclusion of his service to Entegris as it ceases to do business due to a merger with Mykrolis Corporation (“Mykrolis”). By signing
this Agreement, Dauwalter hereby acknowledges that the terms and conditions hereof are in full satisfaction of all rights to termination or severance-related benefits for which he has been eligible or may claim to be eligible under any agreement or
promise, whether written or oral, express or implied, or any other Entegris severance plan or program. 
  
 RECITALS 
  
 WHEREAS, Dauwalter is employed by Entegris as Chief Executive Officer; and 
  
 WHEREAS, Entegris has entered into an Agreement and Plan of Merger dated March 21, 2005, with Mykrolis, which has resulted in the creation of a Delaware subsidiary into which Entegris will merge at the time of
closing and, thereafter, cease current operations; and 
  
 WHEREAS, the closing of the merger will further result in the termination of Dauwalter’s services as Chief Executive Officer; 
  
 WHEREAS, in addition to historic Entegris practice of providing fair and equitable severance to departing executives, Entegris recognizes value in
obtaining non-compete obligations and a release of claims from Dauwalter; and 
  
 WHEREAS, the Compensation and Stock Option Committee of Entegris has established an independent process for determining appropriate compensation to be paid and has retained and relied upon the expertise of Hewitt and
Associates, L.L.C. in determining the structure and amounts to be paid to Dauwalter; 
  
 IT IS, THEREFORE, agreed that Entegris and Dauwalter agree to the following: 
  
 TERMS AND CONDITIONS 
  
 1. Severance Pay – Provided Dauwalter signs and returns this Agreement in the form provided to him, he shall receive two times base pay and target bonus (cumulatively $840,000) plus $180,000 for additional
perquisites and benefits for a total of $1,860,000. This amount shall be paid pursuant to Entegris customary payroll practices commencing October 16, 2005, and shall be paid over five (5) years in the amount of $372,000 per year. Dauwalter
shall additionally be paid his fiscal 2005 annual bonus in an amount prorated from September 1, 2004 through the date of closing of the merger between Entegris and Mykrolis, said amount 

 
approximating $384,000. Payment of the pro-rata bonus will be distributed at the same time as other Entegris executives receive annual incentives or on
October 16, 2005, whichever is earlier. 
  
 2. Health
Insurance – Dauwalter shall be entitled to continued participation until age 65 as an early retiree in Entegris medical programs or such other programs designated by Entegris which provide comparable medical benefits and include customary
pro-rata expense as between Entegris and Dauwalter with Dauwalter individually paying customary participant portions of applicable premiums. 
  
 3. Stock Options – As of October 16, 2005, or such later date as potential employment with the newly created Entegris, Inc., a Delaware
corporation, expires, all stock options and stock grants attributed to Dauwalter shall vest without deferral of exercise dates. 
  
 4. Non-Competition – Dauwalter’s acceptance of a position with another company will not affect eligibility for payments referenced above subject
to the right of Entegris and its successor to cancel such payments and seek full reimbursement of amounts paid in the event that Dauwalter engages in activities determined to be significantly detrimental to the best interests of Entegris or its
successor including, without limitation, (i) recruiting, hiring, or soliciting employees for employment or the performance of services with a competing company, (ii) breach of any obligations under any confidentiality agreement or
intellectual property agreement, (iii) making disparaging, knowingly false, or misleading statements about Entegris, its successor, or its products, officers, or employees to competitors, customers, potential customers, or to current or former
employees. 
  
 In further exchange for the consideration due to be
provided under this Agreement, Dauwalter agrees that for the entirety of his four-year payment term as specified above, he will not, without the written consent of Entegris, directly or indirectly (a) engage or be interested in as an owner,
partner, shareholder, employee, director, officer, agent, consultant or otherwise, directly or indirectly, with or without compensation, any business which is in direct competition with the business of Entegris. Nothing herein, however, shall
prohibit Dauwalter from acquiring or holding not more than two percent (2%) of any class of publicly-traded securities of any business. Payments to Dauwalter shall be conditional based on his compliance with non-compete obligations as set forth
herein. 
  
 In the event any of the foregoing non-compete
obligations shall be determined by any court of competent jurisdiction to be unenforceable by reason of extended for too great a period of time, over too great a geographical area, or by reason of being too extensive in any other respect, such
provision shall be interpreted to extend only over the maximum period of time for which it may be enforceable, over the maximum geographical area as to which it may be enforceable, and/or to the maximum extent in all other respects as to which it
may be enforceable, all as determined by such court in such action. The invalidity or unenforceability of any particular provision of these non-competition paragraphs shall not affect the other provisions thereof which shall continue in full force
and effect. 
  
 Dauwalter agrees that the remedies available to
Entegris at law will be inadequate in the event of a breach or a threatened breach of non-competition obligations as stated herein. As a 

 
result, Entegris shall be entitled, in addition to its rights at law, to seek an injunction or other equitable relief without the need to post a bond.

  
 5. Release of Claims – In exchange for payments to be
made hereunder, Dauwalter waives and hereby releases Entegris and its successor as well as its past, present, and future divisions, subsidiaries, affiliates, and related companies, plus present and future directors, officers, employees, and agents
from any and all claims of any nature whatsoever which he may have arising out of his employment or the termination of his employment with Entegris including, but not limited to, any claims he may have under federal, state, or local employment,
labor, or anti-discrimination laws, statutes, and case law, and specifically claims arising under the federal Age Discrimination In Employment Act, the Civil Rights Act of 1866 and 1964 as amended, the Americans with Disabilities Act, Executive
Order 11246, the Employee Retirement Income Security Act of 1974 (“ERISA”), the Family and Medical Leave Act, the Fair Labor Standards Act, the Minnesota Human Rights Act, the Minnesota Age Discrimination Law, and any and all other
applicable state, county, or local statutes, ordinances, or regulations; provided, however, that this release does not apply to claims for benefits under Entegris-sponsored benefit plans covered by ERISA (other than claims for severance) nor to
claims arising out of obligations expressly undertaken in this Agreement. Any rights to benefits (other than severance benefits) under Entegris-sponsored benefit plans are governed exclusively by the written plan documents of those plans.

  
 Dauwalter acknowledges and understands that he has accepted
the consideration provided herein in full satisfaction of all claims and obligations of Entegris to him regarding any matter or incident up to the date he signs this Agreement (except to the extent expressly excepted from the terms hereof), and he
affirmatively intends to be legally bound thereby. 
  
 6.
Confidentiality – Dauwalter agrees not to disclose or cause any other person to disclose to third parties, including employees of Entegris, the terms of this Agreement; provided, however, he may disclose such terms to his spouse, his
financial/tax advisors, his attorney, and in response to a governmental inquiry, including a governmental tax audit or a judicial subpoena. Dauwalter understands that breach of this confidentiality provision shall exclude Entegris from performing
further under the Agreement. Dauwalter further agrees and acknowledges that any and all agreements relating to intellectual property or confidential information which he has signed during the course of his employment with Entegris remain in full
force and effect according to their terms. 
  
 7. Severability;
Entire Agreement; No Oral Modification; No Waivers – Should any of the provisions of this Agreement be determined to be invalid by a court of competent jurisdiction, the parties agree that this shall not affect the enforceability of the other
provisions of this Agreement. This Agreement constitutes a single integrated contract expressing the entire agreement of the parties with respect to the subject matter hereof and supersedes all prior and contemporaneous oral or written agreements
and discussions with respect to the subject matter hereof. This Agreement may be amended or modified only by an agreement in writing signed by both parties. The failure by Entegris to declare a breach or otherwise assert its rights under this
Agreement shall not be construed as a waiver of any right which Entegris may have under this Agreement. 

 8. Section 409A – If Entegris or Dauwalter determine that any payment obligation under this
Agreement will cause Dauwalter to incur tax obligations under Section 409A of the Code, then the parties shall negotiate in good faith to structure an alternative payment mechanism consistent with the parties’ objectives, to the extent
reasonably practical that will not cause Dauwalter to incur such tax obligations. 
  
 9. Assignment – Neither Entegris nor Dauwalter may make any assignment of this Agreement or any interest therein, by operation of law or otherwise, without the prior written consent of the other; provided,
however, that Entegris may assign its rights and obligations under this Agreement without the consent of Dauwalter in the event that Entegris shall hereafter complete a reorganization, consolidate with or merge into or substantially transfer all of
its properties or assets to any other entity. This Agreement shall inure to the benefit of and be binding upon Entegris, Dauwalter , and their respective successors, executors, administrators, heirs, and permitted assigns. Dauwalter expressly
consents to be bound by the provisions of this Agreement for the benefit of any successor or permitted assign without the necessity that this Agreement be re-signed at the time of transfer. 
  
 10. Indemnification – Dauwalter shall be entitled to ongoing coverage
for services provided as a director and officer of Entegris, said coverage being provided at Entegris’ expense and in amounts the same as that provided to other executives. He shall additionally be entitled to the same rights of indemnification
and contribution as are provided to executives of Entegris generally under the Articles of Incorporation or By-laws. 
  
 11. Notice – Any and all notices, requests, demands, or other communications provided for by this Agreement shall be in writing and, except as
otherwise expressly provided in this Agreement, shall be effective when delivered in person, consigned to a national courier service, or deposited in the United States Mail, postage prepaid, registered or certified, and addressed to Dauwalter at his
last known address on the book of Entegris or, in the case of Entegris, at its principal place of business, attention to the Chair of the Board of Directors. 
  
 12. Governing Law – This Agreement shall be governed by and construed in accordance with the laws of the State of Minnesota without regard to
conflicts of laws principles. 
  
 ACKNOWLEDGEMENTS AND
CERTIFICATIONS 
  
 Dauwalter acknowledges and certifies that he:

  

	 	g.	has read and understood all of the terms of this Agreement and does not rely on any representation or statement, written or oral, not set forth in this Agreement;

  

	 	h.	has had a reasonable period of time to consider this Agreement; 

  

	 	i.	is signing this Agreement knowingly and voluntarily; 

  

	 	j.	has been advised to consult with an attorney before signing this Agreement; 

  

	 	k.	has the right to consider the terms of this Agreement for twenty-one (21) days and, if he takes fewer than 21 days to review this Agreement, hereby waives any and all rights to
the balance of the 21-day review period; and 

	 	l.	has the right to revoke this Agreement within fifteen (15) days after signing it by providing written notice of revocation to the CEO of Entegris in which event this Agreement
shall become null and void in its entirety. 

  

					
	 	 	 	 	 ENTEGRIS, INC.

			
	/s/    James E. Dauwalter        	 	 	 	/s/    Gary F. Klingl        
	James E. Dauwalter	 	 	 	Gary F. Klingl
	 	 	 	 	Chair – Compensation and Stock Option Committee
			
	 Dated:
	 	 	 	 Dated:Employment Agreement and Release between Entegris and Michael Wright

 Exhibit 10.34 
  
 Employment Agreement and Release 
  
 This Employment Agreement and Release (“Agreement”) sets forth the mutual understanding and agreement of Entegris, Inc., a Delaware corporation with offices at
3500 Lyman Boulevard, Chaska, Minnesota, 55318 (“Entegris”), and Michael W. Wright, an individual residing at 5115 Meadville Street, Greenwood, Minnesota, 55331 (“Wright”). 
  
 RECITALS 
  
 WHEREAS, Entegris is a newly created entity resulting from the merger of the former Entegris, Inc., a Minnesota
corporation (“Entegris Minnesota”), and Mykrolis Corporation, a Delaware corporation (“Mykrolis”), pursuant to the terms of a March 21, 2005 Agreement and Plan of Merger; and 
  
 WHEREAS, Wright was employed and performed with excellence as an executive
officer with Entegris Minnesota and has likewise played a key role in developing plans for the integration of Entegris Minnesota and Mykrolis into Entegris. 
  
 WHEREAS, it is agreed that Wright will not continue as an executive officer of Entegris but will continue to provide valuable services as an employee and
advisor to the company; and especially the Chief Executive Officer; 
  
 WHEREAS, in addition to perpetuating historic and agreed-upon practices of Entegris Minnesota and Mykrolis of providing fair and equitable severance to departing executive officers, Entegris recognizes value in obtaining
confidentiality and non-compete obligations and a release of claims from Wright and particularly recognizes the importance of maintaining a constructive working and advisory relationship with Wright following the above-referenced merger; 

 
 THEREFORE, Entegris and Wright agree to the following: 
  
 TERMS AND CONDITIONS 
  
 1. Resignation as Executive Officer – Effective August 6, 2005,
Wright resigns and otherwise waives claim to any position as an executive officer of Entegris as well as all other executive officer or director positions he may have with Entegris Minnesota or any subsidiary of either entity. 
  
 2. Activities Post-Merger – Commencing August 6, 2005, Wright will
act as Senior Advisor to the Chief Executive Officer of Entegris and will be employed in a non-executive capacity by Entegris until August 5, 2007. It is the intent and purpose of the parties that Wright will be actively engaged in supporting
the Chief Executive Officer and overall best interests of the company until August 5, 2007. Wright acknowledges, however, that he shall have no authority to bind Entegris to any legal obligation and further agrees to disclose his lack of

 
authority in any instance where he reasonably concludes third parties might take action based on a misunderstanding of his apparent or actual authority.

  
 3. Compensation – If Wright signs and does not revoke
this Agreement and continues in the employ of Entegris in accordance with the terms and conditions of this Agreement, then Wright shall receive benefits as set forth in Sections 3(a), 3(b), and 3(c) below. 
  
 (a) Severance Pay– Wright shall receive two times his base pay and
target bonus as paid by Entegris Minnesota immediately prior to the merger (cumulatively $1,240,040) plus a total of $559,960, for a total severance payment of $1,800,000. This amount shall be paid as follows: 
  

	 	•	 	$200,000 on August 26, 2005; 

  

	 	•	 	$979,980 on January 2, 2006; and 

  

	 	•	 	$620,020 on January 2, 2007. 

  
 All payments made to Wright shall be made after required deductions and withholdings. 
  
 (b) Senior Advisor Compensation – For the period August 6, 2005, through August 5, 2007, and subject to his
ongoing employment as specified herein, Wright shall be paid $100,000 per year or a total of $200,000 for advisory services. With respect to such pay, Wright shall remain on the Entegris payroll and shall be paid according to customary practice.
Wright shall not be eligible for bonus compensation. During this period Wright may obtain other employment so long as such employment does not materially impact his ability to perform advisory services hereunder. 
  
 (c) Other Benefits. Subject to his ongoing employment as specified herein,
Wright shall be entitled to the following other benefits: 
  

			
	Options and Restricted Stock Vesting:	  	All currently unvested options and restricted stock to be fully vested as of August 6, 2005.
		
	Other Option Terms:	  	During the two-year continuation of employment period, options will continue to be subject to terms of the option agreements under which they were granted.
		
	Medical Insurance:	  	Coverage through employment or August 31, 2007, whichever is later; Wright cost to be calculated on the same basis as other Entegris employees.

			
	Automobile:	  	Wright shall be entitled to use his company-owned vehicle until October 31, 2005, at which time he may either buy it at the value at which it is carried on the books of Entegris or
return it to the company.
		
	401(k) Plan:	  	Wright waives participation as of August 6, 2005, but retains distribution rights as specified in plan documents.
		
	Office Support:	  	Wright shall receive administrative support for approved travel and assigned duties and shall submit expenses and receive reimbursement in customary employee fashion. He shall additionally
remain entitled to ongoing use of a laptop computer and Blackberry or other hand-held device provided by Entegris, subject to the right of Entegris to modify access to company information in its discretion.
		
	Home Office:	  	One-time allowance of $2,000.00.
		
	Legal Expenses:	  	Entegris shall pay Wright’s legal fees in completing this Agreement in an amount not to exceed ten hours of total time at standard rates.

  
 4. Termination.

  
 Employment “At Will”– For the period
August 6, 2005 through August 5, 2007, Wright shall be deemed an employee “at will” and may be terminated with or without cause, subject to the following: 
  
 (a) Termination Without Cause – Wright shall remain entitled to payment of all Severance Pay and Senior Advisor
Compensation as referenced in paragraphs 3(a) and 3(b). 

 (b) Termination With Cause – Wright shall forfeit remaining payments and benefits as referenced in
paragraphs 3(a), 3(b), and 3(c). 
  
 (c) Definition of “With
Cause” – Wright acknowledges that historic and intended entitlement to Compensation has been and is contingent upon compliance with non-compete, confidentiality, and non-disparagement obligations as well as the performance of assigned
duties. For purposes of this Agreement, Wright may be terminated “with cause” if he intentionally and materially breaches any obligation of non-disclosure, non-competition, non-solicitation, or non-disparagement as set forth below or
willfully and repeatedly after written notice fails to perform assigned duties as an advisor. 
  
 5. Non-Disclosure, Non-Competition, and Non-Solicitation Agreements – 
  
 (a) Non-Disclosure Agreement – Wright acknowledges that the Confidential Information and data obtained by him during the course of his employment
concerning the business or affairs of Entegris, or any predecessor entity related thereto, including Entegris Minnesota and Mykrolis and their subsidiaries, are the property of Entegris and are confidential to Entegris. Such Confidential Information
may include, but is not limited to, specifications, designs, and processes, product formulae, manufacturing, distributing, marketing or selling processes, systems, procedures, plans, know-how, services or material, trade secrets, devices (whether or
not patented or patentable), customer or supplier information, price lists, financial information including, without limitation, costs of materials, manufacturing processes and distribution costs, business plans, prospects or opportunities, and
software and development or research work (the “Confidential Information”). All the Confidential Information shall remain the property of Entegris, and Wright agrees that he will not at any time disclose to any unauthorized persons or use
for his own account or for the benefit of any third party any of the Confidential Information without the written consent of Entegris. Wright agrees to deliver to Entegris at the termination of his employment or at such earlier date requested by
Entegris, all memoranda, notes, plans, records, reports, video and audio media and any and all other documentation (and copies thereof) relating to the business of Entegris, or any entity related thereto, which he may then possess or have under his
direct or indirect control. Notwithstanding any provision herein to the contrary, the Confidential Information shall specifically exclude information which is publicly available to Wright and others by proper means, readily ascertainable from public
sources known to Wright at the time the information was disclosed or which is rightfully obtained from a third party. It shall not be a breach of this Section 4(a) for Wright to disclose Confidential Information as required by law, provided
Wright provides notice to Entegris enabling it to seek a protective order before disclosure. 

 (b) Non-Competition Agreement – Unless and until Wright’s employment is terminated without
cause, Wright agrees that until December 31, 2007, he shall not, directly or indirectly: 
  
 (1) manage, participate in, lend his name to, act as a consultant or advisor, or render services to any person or entity which is competing or planning to compete with Entegris; or 
  
 (2) have any ownership interest in any entity referenced in 5(b)(1) above in
excess of 1% of such entity’s outstanding stock of any classification. 
  
 (c) Covenant Not to Hire or Recruit Employees – Wright agrees that until December 31, 2007, he will not, directly or indirectly, induce or attempt to induce any employee of Entegris or any entity related
thereto to leave his, her, or their employ, or in any other way knowingly interfere with the relationship between Entegris or any entity related thereto and any other employee of Entegris or any entity related thereto, or in any way knowingly
interfere with the relationship between any customer, franchisee, or other business relation and Entegris or any entity related thereto. 
  
 (d) Acknowledgment – Wright acknowledges that the provisions of this Section 5 are reasonable and necessary to protect the legitimate interests
of Entegris and that any violation of this Section 5 by Wright will cause substantial and irreparable harm to Entegris to such an extent that monetary damages alone would be an inadequate remedy therefor. Therefore, in the event that Wright
violates any provision of this Section 5, Entegris will be entitled to an injunction, in addition to all the other remedies it may have, restraining Wright from violating or continuing to violate such provision. 
  
 (e) Blue Pencil Doctrine – If the duration of, scope of, or any
business activity covered by this Section 5 is in excess of what is valid and enforceable under applicable law, such provision will be construed to cover only that duration, scope, or activity that is valid and enforceable. Wright acknowledges
that this Section 5 will be given the construction which renders its provisions valid and enforceable to the maximum extent, not exceeding its express terms, possible under applicable laws. 
  
 6. Release of Claims – In exchange for payments and other consideration
to be provided hereunder, Entegris and its predecessor and related entities and Wright each waive and hereby release each other from any and all claims of any nature whatsoever which they may have arising out of Wright’s past or prospective
employment as an executive officer or the termination of such employment with Entegris including, but not limited to, any claims Wright may have under federal, state, or local employment, labor, or anti-discrimination laws, statutes, and case law,
and specifically claims arising under the federal Age Discrimination In Employment Act, the Civil Rights Acts of 1866 and 1964 as amended, the Americans with Disabilities Act, Executive Order 11246, the Employee Retirement Income Security Act of
1974 (“ERISA”), the 

 
Family and Medical Leave Act, the Fair Labor Standards Act, the Minnesota Human Rights Act, the Minnesota Age Discrimination Law, and any and all other
applicable state, county, or local statutes, ordinances, or regulations; provided, however, that this release does not apply to claims for benefits under Entegris-sponsored benefit plans covered by ERISA (other than claims for severance) in which
Wright is a participant nor to claims arising out of obligations expressly undertaken in this Agreement. 
  
 Wright acknowledges and understands that he has accepted the consideration provided under this Agreement in full satisfaction of all claims and
obligations of any and all of the above-referenced entities which may be owed to him regarding any matter or incident up to the date Wright signs this Agreement, and he affirmatively intends to be legally bound by such release and satisfaction.

  
 7. Non-disparagement – Wright and Entegris, on behalf of
its officers and directors, each agree they will not knowingly make negative comments intended to malign, disparage, or damage the character, reputation, image, or products or services of the other. 
  
 8. Indemnification – Wright shall be entitled to defense and
indemnification, and coverage under any directors and officers errors and omissions liability insurance, with respect to any services provided by Wright as an officer of Entegris Minnesota, or as a Senior Advisor hereunder, in the same manner as
other officers and directors of Entegris Minnesota or Entegris in accordance with the Articles of Incorporation or By-Laws and applicable insurance policies maintained by Entegris and/or the terms of the March 21, 2005 Agreement and Plan of
Merger between Entegris Minnesota and Mykrolis. 
  
 9. Positive
Recommendation – Upon request, Entegris shall provide Wright with a positive letter of recommendation and shall otherwise provide reasonable support in identifying and responding to prospective employers. 
  
 10. Full Compensation – Wright acknowledges and understands that the
payments made and other consideration provided by Entegris under this Agreement will fully compensate Wright for and extinguish any and all of the potential claims Wright is releasing in this Agreement, including, without limitation, any claims for
attorneys’ fees and costs and any and all claims for any type of legal or equitable relief. 
  
 11. Legal Representation – Wright acknowledges that he consulted with his own attorney before executing this Agreement, that he has had a full
opportunity to consider this Agreement, and that he has had a full opportunity to ask any questions that he may have concerning this Agreement and the settlement of any potential claims against Entegris or its predecessor entities and affiliates.

  
 12. Taxes; Section 409A – Entegris will deduct from
any payments made to Wright under this Agreement any withholding or other taxes that Entegris is required to deduct, if any, under applicable law. Except to the extent taxes are withheld by Entegris, Wright shall be solely responsible for the
payment of all taxes due and owing with respect to wages, benefits, and other 

 
compensation provided to him hereunder. If Entegris or Wright determine that any payment obligation under this Agreement will cause Wright to incur tax
obligations under Section 409A of the Internal Revenue Code, then the parties shall negotiate in good faith to structure an alternative payment mechanism consistent with the parties’ objectives, to the extent reasonably practical and
without any additional material cost to Entegris, that will not cause Wright to incur such tax obligations. 
  
 13. Assignment – Neither Entegris nor Wright may make any assignment of this Agreement or any interest therein, by operation of law or otherwise,
without the prior written consent of the other; provided, however, that Entegris may assign its rights and obligations under this Agreement without the consent of Wright in the event that Entegris shall hereafter complete a reorganization,
consolidate with, or merge into or substantially transfer all of its properties or assets to any other entity. This Agreement shall inure to the benefit of and be binding upon Entegris, Wright, and their respective successors, executors,
administrators, heirs, and permitted assigns. Wright expressly consents to be bound by the provisions of this Agreement for the benefit of any successor or permitted assign of Entegris without the necessity that this Agreement be re-signed at the
time of transfer. 
  
 14. Reliance By Third Parties – This
Agreement is intended for the exclusive benefit of the parties hereto and their respective heirs, executors, administrators, personal representatives, successors, and permitted assigns, and no other person or entity has any right to rely on this
Agreement or to claim or derive any benefit therefrom, absent the express written consent of the party to be charged with such reliance or benefit. 
  
 15. Severability; Entire Agreement; No Oral Modification; No Waivers – Should any of the provisions of this Agreement be determined to be invalid by
a court of competent jurisdiction, the parties agree that this shall not affect the enforceability of the other provisions of this Agreement. Except for any and all agreements related to Wright’s stock options and restricted stock (which have
not been affected or altered by this Agreement except as provided in Section 3(c)), this Agreement constitutes a single integrated contract expressing the entire agreement of the parties with respect to the subject matter hereof and supersedes
all prior and contemporaneous oral or written agreements and discussions with respect to the subject matter hereof and all other agreements and understandings between the parties and the predecessor entities and affiliates referenced herein. This
Agreement may be amended or modified only by an agreement in writing signed by both parties. The failure by Entegris to declare a breach or otherwise assert its rights under this Agreement shall not be construed as a waiver of any right which
Entegris may have under this Agreement. 
  
 16. Notice – Any
and all notices, requests, demands, or other communications provided for by this Agreement shall be in writing and, except as otherwise expressly provided in this Agreement, shall be effective when delivered in person, consigned to a national
courier service, or deposited in the United States Mail, postage prepaid, registered or certified, and addressed to Wright at his last known address on the book of Entegris or, in the case of Entegris, at its principal place of business, attention
to the General Counsel. 

 17. Governing Law – This Agreement shall be governed by and construed in accordance with the laws of
the State of Minnesota without regard to conflicts of laws principles. 
  
 ACKNOWLEDGEMENTS AND CERTIFICATIONS 
  
 Wright
acknowledges and certifies that he: 
  

	 	m.	has read and understood all of the terms of this Agreement and does not rely on any representation or statement, written or oral, not set forth in this Agreement;

  

	 	n.	has had a reasonable period of time to consider this Agreement; 

  

	 	o.	is signing this Agreement knowingly and voluntarily; 

  

	 	p.	is hereby being advised by Entegris to consult with an attorney before signing this Agreement; 

  

	 	q.	has the right to consider the terms of this Agreement for twenty-one (21) days and, if he takes fewer than 21 days to review this Agreement, hereby waives any and all rights to
the balance of the 21-day review period; and has the right to revoke this Agreement within fifteen (15) days after signing it by providing written notice of revocation to the Chief Financial Officer of Entegris in which event this Agreement
shall become null and void in its entirety. 

  

					
	 	 	 	 	ENTEGRIS, INC.
			
	/s/    MICHAEL WRIGHT        	 	 	 	/s/    GIDEON ARGOV        
	Michael W. Wright	 	 	 	Gideon Argov
			
	 Dated:
	 	 	 	 Dated:

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