Document:

Exhibit 10.3

 Exhibit 10.3 
 SEVERANCE PROTECTION AGREEMENT, effective as of May 13, 2011 (“Effective Date”), by and between
ENTEGRIS, INC., a Delaware corporation (the “Company”), and BERTRAND LOY (“Executive”). 

RECITALS 
 1. The Executive is currently employed by the Company as its Chief Operating Officer. 
 2. In order to induce the Executive to remain in the employ of the Company for the term of this Severance Protection Agreement and to allay the Executive’s concerns as to financial security in
the event that Executive’s employment were terminated by the Company, the Company and Executive have entered into this Severance Protection Agreement (“Agreement”). 

NOW, THEREFORE, in consideration of the above specified recitals and their mutual promises, the Company and
Executive agree as follows: 
 1. Definitions. 

1.1. “Cause” means: (i) Executive’s conviction of a felony involving a personal act of
willful and intentional misconduct or the entry by Executive of a plea of nolo contendere in connection with such an alleged felony; (ii) the repeated and continual failure of Executive to fulfill the basic duties of his position with
the Company or Executive’s obligations under this Agreement; (iii) Executive’s gross negligence, dishonesty, willful malfeasance or gross misconduct in connection with his employment with the Company; or
(iv) willful failure by Executive to follow any lawful directives established for Executive by the senior management of the Company. Notwithstanding the foregoing, the deficiencies referred to in clauses (ii), (iii), and (iv) shall
constitute Cause only if such deficiency remains uncured or continues or recurs after ten (10) days notice from the Company specifying in reasonable detail the nature of such deficiency, if such deficiency is capable of cure. 

1.2. “Code” means the Internal Revenue Code of 1986, as amended, and any successor statute. 

1.3. “Good Reason” means: (i) failure of the Company to continue the Executive in the
position of Chief Operating Officer or another senior executive position of similar responsibilities and prestige; (ii) material diminution in the nature or scope of the Executive’s responsibilities, duties or authority,
(iii) diminution by the Company, without the Executive’s consent, of: [A] the Executive’s base salary, [B] the Entegris Incentive Plan variable compensation target incentive percentage, or [C] the Fair
Value Transfer (“FVT”) of the Executive’s equity compensation below 100% of median level for chief operating officers, as determined by the compensation consultant retained by the Management Development & Compensation
Committee of the Company’s Board of Directors (“MDCC”), but excluding any reduction in clauses [A] through [C] as a result of: (x) a restructuring by management of benefits for employees of the Company as a whole that
affects Executive in a manner comparable to other senior executives of the Company or (y) a change in equity FVT level as a result of the MDCC exercising its discretion and reducing equity compensation levels that affects Executive in a
manner 

 
comparable to other senior executives of the Company; or (iv) the Company’s requirement that the Executive relocate his office more than thirty-five (35) miles from the
Executive’s current office location, without the Executive’s consent. Notwithstanding the foregoing, a termination of employment shall not constitute a termination for Good Reason unless (A) Executive gives notice to the Company of
the deficiency within ninety (90) days of its first occurrence; (B) the deficiency remains uncured after thirty (30) days from the giving of such notice; and (C) Executive terminates his employment within thirty (30) days of
the end of such thirty (30)-day cure period. 
 1.4. “Change in Control” shall have the same
meaning as the term “Change of Control” as defined in Section 1.04(a) through (d) of that certain Executive Change of Control Termination Agreement, dated August 10, 2005, between the Company and Executive (the “2005
Agreement”); Change in Control shall exclude the transaction referred to in clause (e) of Section 1.04 of the 2005 Agreement. 
 1.5. “Person” means an individual, a corporation, a limited liability company, an association, a partnership, an estate, a trust or any other entity or organization, other than the
Company or any of its Affiliates. 
 2. Agreement of the Executive. The Executive hereby agrees to continue in the
employ of the Company for the term of this Agreement; provided, however, that the Executive shall be entitled to resign from the Company for Good Reason. Executive further agrees that payment of any benefits under
this Agreement shall be subject to and expressly conditioned upon Executive executing a release for and on behalf, of his heirs, executors, administrators, successors, assigns, and anyone claiming through Executive in favor of the Company releasing
and waiving any and all claims related to pay, vacation pay, insurance or welfare benefits or any other rights relating to employment with the Company (a “Release”). 
 3. Termination of Employment by the Company. For the term of this Agreement, if the Company terminates Executive’s employment for any reason other than Cause (and other than as a result
of death or disability) or if Executive resigns from the Company for Good Reason, then, in such event: (i) the Company will pay Executive an aggregate severance benefit in an amount equal to two times Executive’s base salary as in
effect immediately prior to any such termination or resignation; such severance benefit shall be paid in the form of salary continuation for the period commencing on the date of such termination or resignation and ending on the second anniversary of
the date of any such termination or resignation (the “Severance Pay Period”) and, for purposes of Section 409A of the Code, each installment of such salary continuation shall be treated as a separate payment; (ii) the
Company will continue healthcare benefits for Executive and his immediate family for the entire of the Severance Pay Period; and (iii) the restrictions with respect to all outstanding restricted stock unit (RSU) awards made to Executive
shall lapse and all outstanding unvested stock options shall vest as of the date of such termination or resignation. 
 4.
Term. The initial term of this Agreement shall be for a period of two years following the Effective Date and shall be automatically extended for one additional year on the second anniversary of the Effective Date and on each anniversary
thereafter. 

  
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 5. Confidentiality. During the Severance Period and thereafter, Executive
shall hold all confidential information of the Company in his possession in strict confidence and shall not disclose it to any third party. This non-disclosure obligation shall not apply to information which is in the public domain or subsequently
comes into the public domain through no fault of the Executive. 
 6. Withholding. All payments to be made or
benefits to be provided to Executive in accordance with this Agreement shall be made net of all applicable income and employment taxes required to be withheld from such payments. If any taxes are required to be withheld prior to payment, the Company
may reduce other compensation payable to Executive or reduce the amount of future payments hereunder. 
 7. Change in
Control. The Company agrees that if a Change in Control of the Company occurs while Executive is employed by the Company, then the Executive shall be entitled to the benefits provided to Executive by the 2005 Agreement in lieu of the
benefits provided by this Agreement; provided, that if such Change in Control is not also a “change in control event” as defined in Section 1.409A-3(i)(5)(i) of the Treasury Regulations, the portion of any severance payable
under the 2005 Agreement that does not exceed the severance that would otherwise have been payable under Section 3(i) of this Agreement, to the extent constituting nonqualified deferred compensation subject to Section 409A of the Code,
shall be paid as salary continuation in accordance with the provisions of this Agreement. The Company shall require any successor corporation or other business entity by agreement to expressly assume and agree to perform this Agreement, or any
remaining portion thereof, in its entirety. 
 8. Restricted Activities. Executive acknowledges that during
employment with the Company Executive has had access to Confidential Information which, if disclosed, would assist in competition against the Company and agrees that the following restrictions on Executive’s activities are necessary to protect
the goodwill, Confidential Information and other legitimate interests of the Company: 
  

	(a)	 Executive agrees that, during the Severance Pay Period Executive will not, directly or indirectly, whether as owner, partner, investor,
consultant, agent, employee, co-venturer or otherwise, compete with the Company within the United States or in any other country in which the Company is doing business. Specifically, but without limiting the foregoing, Executive agrees not to work
or provide services, in any capacity, whether as an employee, independent contractor or otherwise, whether with or without compensation, to any Person that is engaged in any business that is competitive with the business of the Company, as conducted
or in planning during Executive’s employment with the Company, unless the Company agrees, in advance and in writing, signed by the Chief Executive Officer of the Company, to the Executive working or providing services for a specified Person.
The Company will so agree provided that it determines, in its sole discretion, that the acceptance of a position with such Person by Executive or the provision of such work or services will not result in the use or disclosure of Confidential
Information. Executive agrees that the Company’s consent shall be acquired prior to accepting any such position or commencing any business activity which could be inconsistent with Executive’s

  
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obligations under this Agreement. Executive agrees to provide the Company with all information that it may reasonably request in order to make a determination as contemplated hereunder.

  

	(b)	Executive agrees that during the Severance Pay Period, Executive will not, directly or indirectly, (i) hire any employee of the Company or seek to
persuade any employee of the Company to discontinue employment or (ii) solicit or encourage any independent contractor providing services to the Company to terminate or diminish its/his/her relationship with the Company.

  

	(c)	Executive agrees without reservation that these restraints are necessary for the reasonable and proper protection of the Company and that each and every one of
the restraints is reasonable in respect to subject matter, length of time and geographic area. Executive and the Company further agree that, in the event that any provision of this Section 8 is determined by any court of competent jurisdiction
to be unenforceable by reason of its being extended over too great a time, too large a geographic area or too great a range of activities, that provision shall be deemed to be modified to permit its enforcement to the maximum extent permitted by
law. 

 9. Retirement, etc. If Executive ceases to be an employee due to retirement at age 50
with 10 years of continuous service, Executive will be entitled to immediate vesting of all outstanding unvested RSUs and stock option awards granted to Executive after the Effective Date. In the event that future RSU awards include a performance
based vesting feature, vesting will continue based on achievement of the performance metrics after the Executive ceases to be an employee due to retirement. Executive acknowledges that the protections of this Section 9 may result for tax
purposes in the lapse of a “substantial risk of forfeiture” with respect to any outstanding and unvested RSU awards at the time of Executive’s attainment of retirement eligibility (rather than upon any later actual retirement or
scheduled vesting) and that, accordingly, Executive may owe FICA tax with respect to such awards prior to actual delivery of the shares. Any RSU award granted to Executive after the date hereof shall contain terms consistent with this Agreement,
including this Section 9. For purposes of this section, all options that either have vested prior to retirement or that vest upon retirement will be eligible for exercise for the lesser of four (4) years or the expiration date of the
options. 
 10. Section 409A. References herein to Executive’s termination of employment or
similar or correlative terms shall mean and be limited to a “separation from service” as defined in Section 409A and the regulations thereunder. If at the time of a separation from service Executive is a “specified employee”
as defined in Section 409A and the regulations thereunder, (i) any payment under Section 3 hereof that constitutes nonqualified deferred compensation subject to Section 409A and that would otherwise have been paid within
the six (6)-month period following separation from service shall instead be accumulated and paid on the date that follows the separation from service by six (6) months and one day, and (ii) any shares deliverable under an RSU award
made after the date hereof that constitutes deferred compensation subject to Section 409A of the Code and that would be delivered (without regard to this Section 10) upon Executive’s separation from service shall instead be delivered
on the date that follows the separation from service by six (6) months and one day. The provisions of this Agreement shall be construed and administered to comply with, or comply with the requirements for exemption from, Section 409A of
the Code, but neither the Company nor any other Person shall be liable to Executive for any failure so to comply. 

  
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 11. Miscellaneous. This Agreement may be amended only by a written instrument
signed by the Company and Executive. Except with respect to any other agreement between the Company and Executive that is specifically referenced herein and intended to continue beyond the execution of this Agreement, this Agreement shall constitute
the entire agreement between the Company and Executive with respect to the subject matter hereof. This Agreement shall be governed by the laws of the Commonwealth of Massachusetts, other than the provisions thereof relating to conflict of laws. This
Agreement shall be binding upon and inure to the benefit of the parties hereto and their respective successors, heirs, executors, administrators (in the case of Executive) and assigns. In the event that: (i) Executive breaches any of the
covenants contained in Section 2 above, the Company’s remedy shall be limited to forfeiture by Executive of the severance benefits provided in this Agreement; or (ii) Executive breaches any of the covenants contained in
Section 5 or Section 8 above, the damage to the Company would be irreparable; Executive therefore agrees that the Company, in addition to any other remedies available to it, shall be entitled to preliminary and permanent injunctive relief
against any breach or threatened breach by Executive of any of those covenants, without having to post bond. This Agreement may be executed in counterparts, each of which shall be deemed an original but all of which together shall constitute one and
the same instrument. 
 IN WITNESS WHEREOF, the parties have executed this Severance Protection Agreement effective as of the
day first written above. 
  

							
	ENTEGRIS, INC.	 		 	EXECUTIVE
				
	By:	 	 /s/    GIDEON
ARGOV                        .
	 		 	
  /s/   BERTRAND LOY        
                        .

	Name:	 	Gideon Argov	 		 	Printed Name: Bertrand Loy
	Title:	 	President & CEO	 		 	
			
	     July 22,
2011                                        
..
	 		 	
        July 26, 2011        
                            .

	Execution Date	 		 	  Execution Date

  
 5Exhibit 10.4

 Exhibit 10.4 
 

 
 INDEMNIFICATION AGREEMENT 

This Agreement, made and entered into this 4th day of May, 2011 (“Agreement”), by and between Entegris, Inc., a Delaware corporation (“Company”),
and R. Nicholas Burns (“Indemnitee”): 
 WHEREAS, it is reasonable, prudent and necessary for the Company to obligate
itself to indemnify, and to advance expenses on behalf of, its directors and executive officers to the fullest extent permitted by applicable law so that they will serve or continue to serve the Company free from undue concern that they will not be
so indemnified; and 
 WHEREAS, Indemnitee is willing to serve the Company as a director and to take on additional service for
or on its behalf on the condition that he be so indemnified; 
 NOW, THEREFORE, in consideration of the premises and the
covenants contained herein, the Company and Indemnitee do hereby covenant and agree as follows: 
  

	1.	Services by Indemnitee. Indemnitee agrees to serve as a director of the Company. Indemnitee may at any time and for any reason resign from such position (subject
to any other contractual obligation or any obligation imposed by operation of law). 

  

	2.	Indemnification - General. The Company shall indemnify, and advance Expenses (as defined in Section 17 below) to, Indemnitee (a) as provided in this
Agreement and (b) (subject to the provisions of this Agreement) to the fullest extent permitted by applicable law in effect on the date hereof and as amended from time to time. The rights of Indemnitee provided under the preceding sentence
shall include, but shall not be limited to, the rights set forth in the other Sections of this Agreement. 

  

	3.	Proceedings Other Than Proceedings by or in the Right of the Company. Indemnitee shall be entitled to the rights of indemnification provided in this
Section 3 if, by reason of his Corporate Status (as defined in Section 17 below), he is, or is threatened to be made, a party to or a participant in any threatened, pending or completed Proceeding (as defined in Section 17 below),
other than a Proceeding by or in the right of the Company. Pursuant to this Section 3, Indemnitee shall be indemnified against all Expenses, judgments, penalties, fines and amounts paid in settlement (including all interest, assessments and
other charges paid or payable in connection with or in respect of such Expenses, judgments, penalties, fines and amounts paid in settlement) actually and reasonably incurred by him or on his behalf in connection with such Proceeding or any claim,
issue or matter therein, if he acted in good faith and in a manner he reasonably believed to be in or not opposed to the best interests of the Company and, with respect to any criminal Proceeding, had no reasonable cause to believe his conduct was
unlawful. 

  

	4.	 Proceedings by or in the Right of the Company. Indemnitee shall be entitled to the rights of indemnification provided in this Section 4 if,
by reason of his Corporate Status, he is, or is threatened to be made, a party to or a participant in any threatened, pending or 

	 	
completed Proceeding brought by or in the right of the Company to procure a judgment in its favor. Pursuant to this Section, Indemnitee shall be indemnified against all Expenses (including all
interest, assessments and other charges paid or payable in connection with or in respect of such Expenses) actually and reasonably incurred by him or on his behalf in connection with such Proceeding if he acted in good faith and in a manner he
reasonably believed to be in or not opposed to the best interests of the Company; provided, however, that indemnification against such Expenses shall be made in respect of any claim, issue or matter in such Proceeding as to which
Indemnitee shall have been adjudged to be liable to the Company if and only to the extent that the Court of Chancery of the State of Delaware, or the court in which such Proceeding shall have been brought or is pending, shall determine that such
indemnification may be made. 

  

	5.	Partial Indemnification. Notwithstanding any other provision of this Agreement, to the extent that Indemnitee is, by reason of his Corporate Status, a party to
(or a participant in) and is successful, on the merits or otherwise, in defense of any Proceeding, he shall be indemnified against all Expenses actually and reasonably incurred by him or on his behalf in connection therewith. If Indemnitee is not
wholly successful in defense of such Proceeding but is successful, on the merits or otherwise, as to one or more but less than all claims, issues or matters in such Proceeding, the Company shall indemnify Indemnitee against all Expenses actually and
reasonably incurred by him or on his behalf in connection with each successfully resolved claim, issue or matter. For purposes of this Section and without limitation, the termination of any claim, issue or matter in such a Proceeding by dismissal,
with or without prejudice, shall be deemed to be a successful result as to such claim, issue or matter. If Indemnitee is entitled under any provision of this agreement to indemnification by the Company for some or a portion of the Expenses,
judgments, penalties, fines and amounts paid in settlement (including all interest, assessments and other charges paid or payable in connection with or in respect of such Expenses, judgments, penalties, fines and amounts paid in settlement) actually
and reasonably incurred by him or on his behalf in connection with such Proceeding or any claim, issue or matter therein, but not, however, for the total amount thereof, the Company shall nevertheless indemnify Indemnitee for the portion to which
the Indemnitee is entitled. 

  

	6.	Indemnification for Additional Expenses. 

  

	 	a.	The Company shall indemnify Indemnitee against any and all Expenses and, if requested by Indemnitee, shall (within seven (7) business days of such request) advance
such Expenses to Indemnitee, which are incurred by Indemnitee in connection with any action brought by Indemnitee for (i) indemnification or advance payment of Expenses by the Company under this Agreement or any other agreement or by-law of the
Company now or hereafter in effect; or (ii) recovery under any directors’ and officers’ liability insurance policies maintained by the Company, regardless of whether Indemnitee ultimately is determined to be entitled to such
indemnification, advance expense payment or insurance recovery, as the case may be. 

  
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	 	b.	Notwithstanding any other provision of this Agreement, to the extent that Indemnitee is, by reason of his Corporate Status, a witness in any Proceeding to which
Indemnitee is not a party, he shall be indemnified against all Expenses actually and reasonably incurred by him or on his behalf in connection therewith. 

  

	7.	Advancement of Expenses. The Company shall advance all reasonable Expenses incurred by or on behalf of Indemnitee in connection with any Proceeding within seven
(7) days after the receipt by the Company of a statement or statements from Indemnitee requesting such advance or advances from time to time, whether prior to or after final disposition of such Proceeding. Such statement or statements shall
reasonably evidence the Expenses incurred by Indemnitee and shall include or be preceded or accompanied by an undertaking by or on behalf of Indemnitee to repay any Expenses advanced if it shall ultimately be determined that Indemnitee is not
entitled to be indemnified against such Expenses. Notwithstanding the foregoing, the obligation of the Company to advance Expenses pursuant to this Section 7 shall be subject to the condition that, if, when and to the extent that the Company
determines that Indemnitee would not be permitted to be indemnified under applicable law, the Company shall be entitled to be reimbursed, within thirty (30) days of such determination, by Indemnitee (who hereby agrees to reimburse the Company)
for all such amounts theretofore paid; provided, however, that if Indemnitee has commenced or thereafter commences legal proceedings in a court of competent jurisdiction to secure a determination that Indemnitee should be indemnified
under applicable law, any determination made by the Company that Indemnitee would not be permitted to be indemnified under applicable law shall not be binding and Indemnitee shall not be required to reimburse the Company for any advance of Expenses
until a final judicial determination is made with respect thereto (as to which all rights of appeal therefrom have been exhausted or lapsed). 

  

	8.	Procedure for Determination of Entitlement to Indemnification. 

  

	 	a.	To obtain indemnification under this Agreement, Indemnitee shall submit to the Company a written request, including therein or therewith such documentation and
information as is reasonably available to Indemnitee and is reasonably necessary to determine whether and to what extent Indemnitee is entitled to indemnification. The Secretary of the Company shall, promptly upon receipt of such a request for
indemnification, advise the Board in writing that Indemnitee has requested indemnification. 

  

	 	b.	 Upon written request by Indemnitee for indemnification pursuant to the first sentence of Section 8(a) hereof, a determination, if required by
applicable law, with respect to Indemnitee’s entitlement thereto shall be made in the specific case: (i) if a Change in Control (as defined in Section 17 below) shall have occurred, by Independent Counsel (as defined in
Section 17 below) in a written opinion to the Board of Directors, a copy of which shall be delivered to Indemnitee; or (ii) if a Change of Control shall not have occurred, (A) by a majority vote of the Disinterested Directors (as
hereinafter defined), even though less than a quorum of the Board, or (B) if there are no such Disinterested Directors or, if such Disinterested Directors so direct, by Independent Counsel in a written opinion to

  
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the Board, a copy of which shall be delivered to Indemnitee or (C) if so directed by the Board, by the stockholders of the Company; and, if it is so determined that Indemnitee is entitled to
indemnification, payment to Indemnitee shall be made within seven (7) days after such determination. The Company and the Indemnitee shall each cooperate with the person, persons or entity making such determination with respect to
Indemnitee’s entitlement to indemnification, including providing to such person, persons or entity upon reasonable advance request any documentation or information which is not privileged or otherwise protected from disclosure and which is
reasonably available to Indemnitee and reasonably necessary to such determination. Any costs or expenses (including attorneys’ fees and disbursements) incurred by Indemnitee in so cooperating with the person, persons or entity making such
determination shall be borne by the Company (irrespective of the determination as to Indemnitee’s entitlement to indemnification), and the Company hereby indemnifies and agrees to hold Indemnitee harmless therefrom. 

 

	 	c.	 In the event the determination of entitlement to indemnification is to be made by Independent Counsel pursuant to Section 8(b) hereof, the
Independent Counsel shall be selected as provided in this Section 8(c). If a Change of Control shall not have occurred, the Independent Counsel shall be selected by the Board of Directors, and the Company shall give written notice to Indemnitee
advising him of the identity of the Independent Counsel so selected. If a Change of Control shall have occurred, the Independent Counsel shall be selected by Indemnitee (unless Indemnitee shall request that such selection be made by the Board of
Directors, in which event the preceding sentence shall apply), and Indemnitee shall give written notice to the Company advising it of the identity of the Independent Counsel so selected. In either event, Indemnitee or the Company, as the case may
be, may, within 10 days after such written notice of selection shall have been given, deliver to the Company or to Indemnitee, as the case may be, a written objection to such selection; provided, however, that such objection may be
asserted only on the ground that the Independent Counsel so selected does not meet the requirements of “Independent Counsel” as defined in Section 17 of this Agreement, and the objection shall set forth with particularity the factual
basis of such assertion. If such written objection is so made and substantiated, the Independent Counsel so selected may not serve as Independent Counsel unless and until such objection is withdrawn or a court has determined that such objection is
without merit. If, within 20 days after submission by Indemnitee of a written request for indemnification pursuant to Section 8(a) hereof, no Independent Counsel shall have been selected and not objected to, either the Company or Indemnitee may
petition the Court of Chancery of the State of Delaware for resolution of any objection which shall have been made by the Company or Indemnitee to the other’s selection of Independent Counsel and/or for the appointment as Independent Counsel of
a person selected by the Court or by such other person as the Court shall designate, and the person with respect to whom all objections are so resolved or the person so appointed shall act as Independent Counsel under Section 8(b) hereof. The
Company shall pay any and 

  
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all reasonable fees and expenses of Independent Counsel incurred by such Independent Counsel in connection with acting pursuant to Section 8(b) hereof, and the Company shall pay all
reasonable fees and expenses incident to the procedures of this Section 8(c), regardless of the manner in which such Independent Counsel was selected or appointed, and if such Independent Counsel was selected or appointed by the Indemnitee or
the Court, shall provide such Independent Counsel with such retainer as may requested by such counsel. Upon the due commencement of any judicial proceeding or arbitration pursuant to Section 10(a)(iii) of this Agreement, Independent Counsel
shall be discharged and relieved of any further responsibility in such capacity (subject to the applicable standards of professional conduct then prevailing). 

 

	 	d.	The Company shall not be required to obtain the consent of the Indemnitee to the settlement of any Proceeding which the Company has undertaken to defend if the Company
assumes full and sole responsibility for such settlement and the settlement grants the Indemnitee a complete and unqualified release in respect of the potential liability. The Company shall not be liable for any amount paid by the Indemnitee in
settlement of any Proceeding that is not defended by the Company, unless the Company has consented to such settlement, which consent shall not be unreasonably withheld. 

 

	9.	Presumptions and Effect of Certain Proceedings. 

  

	 	a.	In making a determination with respect to entitlement to indemnification or the advancement of expenses hereunder, the person or persons or entity making such
determination shall presume that Indemnitee is entitled to indemnification or advancement of expenses under this Agreement if Indemnitee has submitted a request for indemnification or the advancement of expenses in accordance with Section 8(a)
of this Agreement, and the Company shall have the burden of proof to overcome that presumption in connection with the making by any person, persons or entity of any determination contrary to that presumption. Neither the failure of the Company
(including its board of directors or independent legal counsel) to have made a determination prior to the commencement of any action pursuant to this Agreement that indemnification is proper in the circumstances because Indemnitee has met the
applicable standard of conduct, nor an actual determination by the Company (including its board of directors or independent legal counsel) that Indemnitee has not met such applicable standard of conduct, shall be a defense to the action or create a
presumption that Indemnitee has not met the applicable standard of conduct. 

  

	 	b.	 If the person, persons or entity empowered or selected under Section 8 of this Agreement to determine whether Indemnitee is entitled to
indemnification shall not have made a determination within sixty (60) days after receipt by the Company of the request therefor, the requisite determination of entitlement to indemnification shall be deemed to have been made and Indemnitee
shall be entitled to such indemnification, absent (i) a misstatement by Indemnitee of a material fact, or an omission of a material fact necessary to make Indemnitee’s

  
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statement not materially misleading, in connection with the request for indemnification, or (ii) a prohibition of such indemnification under applicable law; provided, however,
that such 60-day period may be extended for a reasonable time, not to exceed an additional thirty (30) days, if the person, persons or entity making the determination with respect to entitlement to indemnification in good faith requires such
additional time for the obtaining or evaluating of documentation and/or information relating thereto; and provided, further, that the foregoing provisions of this Section 9(b) shall not apply (i) if the determination of entitlement to
indemnification is to be made by the stockholders pursuant to Section 8(b) of this Agreement and if (A) within fifteen (15) days after receipt by the Company of the request for such determination the Board of Directors has resolved to
submit such determination to the stockholders for their consideration at an annual meeting thereof to be held within seventy-five (75) days after such receipt and such determination is made thereat, or (B) a special meeting of stockholders
is called within fifteen (15) days after such receipt for the purpose of making such determination, such meeting is held for such purpose within sixty (60) days after having been so called and such determination is made thereat, or
(ii) if the determination of entitlement to indemnification is to be made by Independent Counsel pursuant to Section 8(b) of this Agreement. 

  

	 	c.	The termination of any Proceeding or of any claim, issue or matter therein, by judgment, order, settlement or conviction, or upon a plea of nolo contendere or
its equivalent, shall not (except as otherwise expressly provided in this Agreement) of itself adversely affect the right of Indemnitee to indemnification or create a presumption that Indemnitee did not act in good faith and in a manner which he
reasonably believed to be in or not opposed to the best interests of the Company or, with respect to any criminal Proceeding, that Indemnitee had reasonable cause to believe that his conduct was unlawful. 

 

	 	d.	Reliance as Safe Harbor. For purposes of any determination of Good Faith, Indemnitee shall be deemed to have acted in Good Faith if Indemnitee’s action is
based on the records or books of account of the Company or relevant enterprise, including financial statements, or on information supplied to Indemnitee by the officers of the Company or relevant enterprise in the course of their duties, or on the
advice of legal counsel for the Company or relevant enterprise or on information or records given in reports made to the Company or relevant enterprise by an independent certified public accountant or by an appraiser or other expert selected with
reasonable care by the Company or relevant enterprise. The provisions of this Section 9(d) shall not be deemed to be exclusive or to limit in any way the other circumstances in which the Indemnitee may be deemed to have met the applicable
standard of conduct set forth in this Agreement. 

  

	 	e.	Actions of Others. The knowledge and/or actions, or failure to act, of any director, officer, agent or employee of the Company or relevant enterprise shall not
be imputed to Indemnitee for purposes of determining the right to indemnification under this Agreement. 

  
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	10.	Remedies of Indemnitee. 

  

	 	a.	In the event that (i) a determination is made pursuant to Section 8 of this Agreement that Indemnitee is not entitled to indemnification under this Agreement,
(ii) advancement of Expenses is not timely made pursuant to Section 7 of this Agreement, (iii) no determination of entitlement to indemnification shall have been made pursuant to Section 8(b) of this Agreement within 90 days
after receipt by the Company of the request for indemnification, (iv) payment of indemnification is not made pursuant to Section 5 or 6 of this Agreement within ten (10) days after receipt by the Company of a written request therefor,
or (v) payment of indemnification is not made within ten (10) days after a determination has been made that Indemnitee is entitled to indemnification, Indemnitee shall be entitled to an adjudication by the Court of Chancery of the State of
Delaware, or any other court of competent jurisdiction, of his entitlement to such indemnification or advancement of Expenses. Alternatively, Indemnitee, at his option, may seek an award in arbitration to be conducted by a single arbitrator pursuant
to the Commercial Arbitration Rules of the American Arbitration Association. 

  

	 	b.	In the event that a determination shall have been made pursuant to Section 8(b) of this Agreement that Indemnitee is not entitled to indemnification, any judicial
proceeding or arbitration commenced pursuant to this Section 10 shall be conducted in all respects as a de novo trial, or arbitration, on the merits and Indemnitee shall not be prejudiced by reason of that adverse determination. If a
Change of Control shall have occurred, in any judicial proceeding or arbitration commenced pursuant to this Section 10, the Company shall have the burden of proving that Indemnitee is not entitled to indemnification or advancement of Expenses,
as the case may be. 

  

	 	c.	If a determination shall have been made pursuant to Section 8(b) of this Agreement that Indemnitee is entitled to indemnification, the Company shall be bound by
such determination in any judicial proceeding or arbitration commenced pursuant to this Section 10, absent (i) a misstatement by Indemnitee of a material fact, or an omission of a material fact necessary to make Indemnitee’s statement
not materially misleading in connection with the request for indemnification, or (ii) a prohibition of such indemnification under applicable law. 

  

	 	d.	 In the event that Indemnitee, pursuant to this Section 10, seeks a judicial adjudication of or an award in arbitration to enforce his rights
under, or to recover damages for breach of, this Agreement, Indemnitee shall be entitled to recover from the Company, and shall be indemnified by the Company against, any and all expenses (of the types described in the definition of Expenses in
Section 17 of this Agreement) actually and reasonably incurred by him in such judicial adjudication or arbitration, but only if he prevails therein. If it shall be determined in said judicial adjudication or arbitration that Indemnitee is
entitled to receive part but not all of the indemnification or advancement of expenses sought, the expenses incurred by Indemnitee in connection with such judicial adjudication or

  
 7 

	 	
arbitration shall be appropriately prorated. The Company shall indemnify Indemnitee against any and all Expenses and, if requested by Indemnitee, shall (within ten (10) days after receipt by
the Company of a written request therefor) advance such expenses to Indemnitee, which are incurred by Indemnitee in connection with any action brought by Indemnitee for indemnification or advance of Expenses from the Company under this Agreement or
under any directors’ or officers’ liability insurance policies maintained by the Company, regardless of whether Indemnitee ultimately is determined to be entitled to such indemnification, advancement of Expenses or insurance recovery, as
the case may be. 

  

	 	e.	The Company shall be precluded from asserting in any judicial proceeding or arbitration commenced pursuant to this Section 10 that the procedures and presumptions
of this Agreement are not valid, binding and enforceable and shall stipulate in any such court or before any such arbitrator that the Company is bound by all the provisions of this Agreement. 

 

	11.	Non-Exclusivity; Survival of Rights; Insurance; Subrogation. 

  

	 	a.	The rights of indemnification and to receive advancement of Expenses as provided by this Agreement shall not be deemed exclusive of any other rights to which Indemnitee
may at any time be entitled under applicable law, the Certificate of Incorporation, the By-Laws, any agreement, a vote of stockholders or a resolution of directors, or otherwise. No amendment, alteration or repeal of this Agreement or of any
provision hereof shall limit or restrict any right of Indemnitee under this Agreement in respect of any action taken or omitted by such Indemnitee in his Corporate Status prior to such amendment, alteration or repeal. To the extent that a change in
the General Corporation Law of the State of Delaware, whether by statute or judicial decision, permits greater indemnification or advancement of Expenses than would be afforded currently under the Company’s By-Laws and this Agreement, it is the
intent of the parties hereto that Indemnitee shall enjoy by this Agreement the greater benefits so afforded by such change. No right or remedy herein conferred is intended to be exclusive of any other right or remedy, and every other right and
remedy shall be cumulative and in addition to every other right and remedy given hereunder or now or hereafter existing at law or in equity or otherwise. The assertion or employment of any right or remedy hereunder, or otherwise, shall not prevent
the concurrent assertion or employment of any other right or remedy. 

  

	 	b.	To the extent that the Company maintains an insurance policy or policies providing liability insurance for directors, officers, employees or agents of the Company or of
any other corporation, partnership, joint venture, trust, employee benefit plan or other enterprise which such person serves at the request of the Company, Indemnitee shall be covered by such policy or policies in accordance with its or their terms
to the maximum extent of the coverage available for any such director, officer, employee or agent under such policy or policies. 

  
 8 

	 	c.	In the event of any payment under this Agreement, the Company shall be subrogated to the extent of such payment to all of the rights of recovery of Indemnitee, who
shall execute all papers required and take all action necessary to secure such rights, including execution of such documents as are necessary to enable the Company to bring suit or enforce such rights. 

 

	 	d.	The Company shall not be liable under this Agreement to make any payment of amounts otherwise indemnifiable hereunder if and to the extent that Indemnitee has otherwise
actually received such payment under any insurance policy, contract, agreement or otherwise. 

  

	 	e.	The Company’s obligation to indemnify or advance expenses hereunder to Indemnitee who is or was serving at the request of the Company as a director, officer,
employee or agent of any other corporation, partnership, joint venture, trust, employee benefit plan or other enterprise shall be reduced by any amount Indemnitee has actually received as indemnification or advancement of expenses from such other
corporation, partnership, joint venture, trust, employee benefit plan or other enterprise. 

  

	12.	Duration of Agreement. 

  

	 	a.	This Agreement shall continue until and terminate upon the later of: (i) 10 years after the date that Indemnitee shall have ceased to serve as a director of the
Company (or of any other corporation, partnership, joint venture, trust, employee benefit plan or other enterprise which Indemnitee served at the request of the Company); or (ii) the final termination of any Proceeding then pending in respect
of which Indemnitee is granted rights of indemnification or advancement of expenses hereunder and of any proceeding commenced by Indemnitee pursuant to Section 10 of this Agreement relating thereto. 

 

	 	b.	This Agreement shall not be deemed an employment contract between the Company (or any of its subsidiaries) and Indemnitee. Indemnitee specifically acknowledges that
Indemnitee’s employment with the Company (or any of its subsidiaries), if any, is at will, and the Indemnitee may be discharged at any time for any reason, with or without cause, except as may be otherwise provided in any written employment
contract between Indemnitee and the Company (or any of its subsidiaries), other applicable formal severance policies duly adopted by the Board, or, with respect to service as a director or officer of the Company, by the Company’s Certificate of
Incorporation, By-laws, and the General Corporation Law of the State of Delaware. The foregoing notwithstanding, this Agreement shall continue in force as provided above after Indemnitee has ceased to serve as a director and/or executive officer of
the Company. 

  

	 	c.	This Agreement shall be binding upon the Company and its successors and assigns and shall inure to the benefit of Indemnitee and his heirs, executors and
administrators. 

  
 9 

	13.	Severability. If any provision or provisions of this Agreement shall be held to be invalid, illegal or unenforceable for any reason whatsoever: (a) the
validity, legality and enforceability of the remaining provisions of this Agreement (including without limitation, each portion of any Section of this Agreement containing any such provision held to be invalid, illegal or unenforceable, that is not
itself invalid, illegal or unenforceable) shall not in any way be affected or impaired thereby; (b) such provision or provisions shall be deemed reformed to the extent necessary to conform to applicable law and to give the maximum effect to the
intent of the parties hereto; and (c) to the fullest extent possible, the provisions of this Agreement (including, without limitation, each portion of any Section of this Agreement containing any such provision held to be invalid, illegal or
unenforceable, that is not itself invalid, illegal or unenforceable) shall be construed so as to give effect to the intent manifested thereby. 

  

	14.	Exception to Right of Indemnification or Advancement of Expenses. Except as provided in Section 6(a) of this Agreement, Indemnitee shall not be entitled to
indemnification or advancement of Expenses under this Agreement with respect to any Proceeding brought by Indemnitee (other than a Proceeding by Indemnitee to enforce his rights under this Agreement), or any claim therein, unless the bringing of
such Proceeding or making of such claim shall have been approved by the Board of Directors. 

  

	15.	Identical Counterparts. This Agreement may be executed in one or more counterparts, each of which shall for all purposes be deemed to be an original but all of
which together shall constitute one and the same Agreement. Only one such counterpart signed by the party against whom enforceability is sought needs to be produced to evidence the existence of this Agreement. 

 

	16.	Headings. The headings of the paragraphs of this Agreement are inserted for convenience only and shall not be deemed to constitute part of this Agreement or to
affect the construction thereof. 

  

	17.	Definitions. For purposes of this Agreement: 

  

	 	a.	“Change in Control” shall have the meaning set forth on Exhibit A. 

 

	 	b.	“Corporate Status” describes the status of a person who is or was a director, officer, employee, fiduciary or agent of the Company or of any other
corporation, partnership, joint venture, trust, employee benefit plan or other enterprise which such person is or was serving at the request of the Company. 

 

	 	c.	“Disinterested Director” means a director of the company who is not and was not a party to the Proceeding in respect of which indemnification is sought by
Indemnitee. 

  

	 	d.	“Effective Date” means May 4, 2011. 

  

	 	e.	 “Expenses” shall include all reasonable attorneys’ fees, retainers, court costs, transcript costs, fees of experts, witness fees, travel
expenses, duplicating costs, printing and binding costs, telephone charges, postage, delivery service fees, and 

  
 10 

	 	
all other disbursements or expenses of the types customarily incurred in connection with prosecuting, defending, preparing to prosecute or defend, investigating, being or preparing to be a
witness, in, or otherwise participating in, a Proceeding. 

  

	 	f.	“Independent Counsel” means a law firm, or a member of a law firm, that is experienced in matters of corporation law and neither presently is, nor in the past
five years has been, retained to represent: (i) the Company or Indemnitee in any matter material to either such party, or (ii) any other party to the Proceeding giving rise to a claim for indemnification hereunder. Notwithstanding the
foregoing, the term “Independent Counsel” shall not include any person who, under the applicable standards of professional conduct then prevailing, would have a conflict of interest in representing either the Company or Indemnitee in an
action to determine Indemnitee’s rights under this Agreement. The Company agrees to pay the reasonable fees of the Independent Counsel referred to above and to fully indemnify such counsel against any and all Expenses, claims, liabilities and
damages arising out of or relating to this Agreement or its engagement pursuant hereto. 

  

	 	g.	“Proceeding” includes any threatened, pending or completed action, suit, arbitration, alternate dispute resolution mechanism, investigation, inquiry,
administrative hearing or any other actual, threatened or completed proceeding, whether brought by or in the right of the Corporation or otherwise and whether civil, criminal, administrative or investigative, in which Indemnitee was, is, may be or
will be involved as a party or otherwise, by reason of the fact that Indemnitee is or was a director or officer of the Company, by reason of any action taken by him or of any inaction on his part while acting as director or officer of the Company,
or by reason of the fact that he is or was serving at the request of the Company as a director, officer, employee or agent of another corporation, partnership, joint venture, trust or other enterprise; in each case whether or not he is acting or
serving in any such capacity at the time any liability or expense is incurred for which indemnification or advancement of expenses can be provided under this Agreement; except one (i) initiated by an Indemnitee pursuant to Section 10 of
this Agreement to enforce his right under this Agreement or (ii) pending on or before the Effective Date. 

  

	18.	Enforcement. 

  

	 	a.	The Company expressly confirms and agrees that it has entered into this Agreement and assumed the obligations imposed on it hereby in order to induce Indemnitee to
serve as a director and/or officer of the Company, and the Company acknowledges that Indemnitee is relying upon this Agreement in serving as a director and/or officer of the Company. 

 

	 	b.	This Agreement constitutes the entire agreement between the parties hereto with respect to the subject matter hereof and supersedes all prior agreements and
understandings, oral, written and implied, between the parties hereto with respect to the subject matter hereof. 

  
 11 

	19.	Modification and Waiver. No supplement, modification or amendment of this Agreement shall be binding unless executed in writing by both of the parties hereto. No
waiver of any of the provisions of this Agreement shall be deemed or shall constitute a waiver of any other provisions hereof (whether or not similar) nor shall such waiver constitute a continuing waiver. 

 

	20.	Notice by Indemnitee. Indemnitee agrees promptly to notify the Company in writing upon being served with any summons, citation, subpoena, complaint, indictment,
information or other document relating to any Proceeding or matter which may be subject to indemnification or advancement of Expenses covered hereunder. The failure of Indemnitee to so notify the Company shall not relieve the Company of any
obligation which it may have to the Indemnitee under this Agreement or otherwise. 

  

	21.	Notices. All notices, requests, demands or other communications hereunder shall be in writing and shall be deemed to have been duly given if (i) delivered
by hand and receipted for by the party to whom said notice or other communication shall have been direct, or (ii) mailed by certified or registered mail with postage prepaid, on the third business day after the date on which it is so mailed:

  

	 	a.	If to Indemnitee to: 

 R.
Nicholas Burns 
 100 Drift Road 
 Westport, MA 02790-1206 
  

	 	b.	If to the Company to: 

Entegris, Inc. 

129 Concord Road 
 Billerica, Massachusetts 01821 
 Attention: General Counsel 

or to such other address as may have been furnished to Indemnitee by the Company or to the Company by Indemnitee, as the case may be.

  

	22.	Contribution. To the fullest extent permissible under applicable law, if the indemnification provided for in this Agreement is unavailable to Indemnitee for any
reason whatsoever, the Company, in lieu of indemnifying Indemnitee, shall contribute to the amount incurred by Indemnitee, whether for judgments, fines, penalties, excise taxes, amounts paid or to be paid in settlement and/or for Expenses, in
connection with any claim relating to an indemnifiable event under this Agreement, in such proportion as is deemed fair and reasonable in light of all of the circumstances of such Proceeding in order to reflect (i) the relative benefits
received by the Company and Indemnitee as a result of the event(s) and/or transaction(s) giving cause to such Proceeding; and/or (ii) the relative fault of the Company (and its directors, officers, employees and agents) and Indemnitee in
connection with such event(s) and/or transaction(s). 

  
 12 

	23.	Governing Law; Submission to Jurisdiction; Appointment of Agent for Service of Process. This Agreement and the legal relations among the parties shall be
governed by, and construed and enforced in accordance with, the laws of the State of Delaware, without regard to its conflict of laws rules. Except with respect to any arbitration commenced by Indemnitee pursuant to Section 10(a) of this
Agreement, the Company and Indemnitee hereby irrevocably and unconditionally (i) agree that any action or proceeding arising out of or in connection with this Agreement shall be brought only in the Chancery Court of the State of Delaware (the
“Delaware Court”), and not in any other state or federal court in the United States of America or any court in any other country, (ii) consent to submit to the exclusive jurisdiction of the Delaware Court for purposes of any action or
proceeding arising out of or in connection with this Agreement, (iii) appoint, to the extent such party is not a resident of the State of Delaware, irrevocably Corporation Service Company as its agent in the State of Delaware for acceptance of
legal process in connection with any such action or proceeding against such party with the same legal force and validity as if served upon such party personally within the State of Delaware, (iv) waive any objection to the laying of venue of
any such action or proceeding in the Delaware Court, and (v) waive, and agree not to plead or to make, any claim that any such action or proceeding brought in the Delaware Court has been brought in an improper or otherwise inconvenient forum.

  

	24.	Miscellaneous. Use of the masculine pronoun shall be deemed to include usage of the feminine pronoun where appropriate. 

IN WITNESS WHEREOF, the parties hereto have executed this Agreement on the day and year first above written. 

 

							
	ATTEST:	 		 	ENTEGRIS, INC.
				
	   /s/ Peter W.
Walcott                                .
	 		 	By:	 	 /s/  GIDEON
ARGOV                                .

	Name:  Peter W. Walcott	 		 	Name:  Gideon Argov
		 		 	Title:  President & CEO
			
	ATTEST:	 		 	INDEMNITEE
			
	  
	 		 	     /s/ R. NICHOLAS
BURNS                                .

	Name:	 		 	Name:  R. Nicholas Burns

  
 13 

 EXHIBIT A 

Change of Control. For the purposes of this Agreement, a “Change of Control” shall be deemed to have occurred if:

  

	 	i.	any Person (defined for the purposes hereof as any individual, entity or other person, including a group within the meaning of Section 13(d) or 14(d)(2) of the
Securities Exchange Act of 1934, as amended (the “1934 Act”), acquires beneficial ownership (within the meaning of Rule 13d-3 promulgated under the 1934 Act) of 30% or more of either (A) the then outstanding shares of common stock of
the Company (the “Outstanding Company Common Stock”) or (B) the combined voting power of the then outstanding voting securities of the Company entitled to vote generally in the election of directors (the “Outstanding Company
Voting Securities”); provided that for purposes of this clause any acquisition by an employee benefit plan (or related trust) sponsored or maintained by the Company or its direct or indirect subsidiaries shall not Constitute a
Change of Control; or 

  

	 	ii.	Individuals who constitute the Board: (A) on the Effective Date and until the closing of the Transactions; or (B) after the closing of the Transactions in
accordance with the Eagle Merger (in either case, the “Incumbent Directors”), cease for any reason to constitute at least a majority of the Board; provided, that any individual who becomes a member of the Board and whose election or
nomination for election was approved by a vote of at least two-thirds of the Incumbent Directors shall be treated as an Incumbent Director unless he or she assumed office as a result of an actual or threatened election contest with respect to the
election or removal of directors; or 

  

	 	iii.	 There is consummated a reorganization, merger or consolidation involving the Company, or a sale or other disposition of all or substantially all of the
assets of the Company (a “Business Combination”), in each case unless, following such Business Combination, (A) the Persons who were the beneficial owners, respectively, of the Outstanding Company Common Stock and of the combined
voting power of the Outstanding Company Voting Securities immediately prior to the Business Combination beneficially own, directly or indirectly, more than 50% of, respectively, the then outstanding shares of common stock and the combined voting
power of the then outstanding voting securities entitled to vote generally in the election of directors, as the case may be, of the entity resulting from such Business Combination in substantially the same proportions as their ownership immediately
prior to such Business Combination of the Outstanding Company Common Stock and of the 

  
 A-1

	 	
combined voting power of the Outstanding Company Voting Securities, as the case may be, (B) no Person (excluding any entity resulting from such Business Combination or any employee benefit
plan (or related trust) of the Employer or of such corporation resulting from such Business Combination) beneficially owns, directly or indirectly, 30% or more of, respectively, the then outstanding shares of common stock of the corporation
resulting from such Business Combination or the combined voting power of the then outstanding voting securities of such corporation entitled to vote generally in the election of directors, except to the extent that such ownership existed prior to
the Business Combination and (C) at least a majority of the members of the Board resulting from such Business Combination were Incumbent Directors at the time of the execution of the initial agreement, or of the action of the Board, providing
for such Business Combination; or 

  

	 	iv.	The stockholders of the Company approve a complete liquidation or dissolution of the Company. 

  
 A-2

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