Document:

EX-10.2

 EXHIBIT 10.2 

SEPARATION AGREEMENT AND GENERAL RELEASE 

Introduction 
 Paul Loomis
having notified MKS Instruments, Inc. of his voluntary resignation, Loomis and MKS Instruments, Inc. hereby enter into this Separation Agreement and General Release (the “Agreement”), dated 9/26/14, pursuant to which, among other things,
Loomis provides MKS Instruments, Inc. with a general release of claims in exchange for the receipt of certain payments and benefits to which he is otherwise not entitled. 

Terms 
 1. As used in this
Agreement, the following words shall mean the following: 
 (a) “Corporation” means MKS Instruments, Inc., its
subsidiaries, divisions, successors and assigns, its affiliated and predecessor companies or corporations, and their successors and assigns. 

(b) “Executive” means Paul Loomis, his heirs, dependents, beneficiaries, executors, administrators, successors,
assigns and anyone acting on his behalf. 
 (c) “Releasees” shall mean the Corporation, its present or former
directors, officers, shareholders, members, employees, attorneys and agents, whether in their individual or official capacities and the current and former trustees or administrators of any pension or other benefit plan applicable to the employees or
former employees of the Corporation in their official and individual capacities. 
 2. On June 6, 2014, Executive notified the
Corporation of his intent to resign. The Corporation and the Executive agree that Executive will remain employed with the Corporation through and including September 5, 2014 (the “Separation Date”) under the terms and conditions set
forth in, and subject to the terms and conditions of, his Employment Agreement dated February 24, 2014 (the “Employment Agreement”). Except as otherwise provided in this Agreement or required under the terms of MKS-sponsored benefit
plans, following the Separation Date, the Corporation shall have no further obligations to Executive. 
 3. If Executive performs his duties
faithfully and cooperates in the transition of his duties to the employee or employees designated by the Corporation to assume them, and after receiving this signed Agreement from Executive and upon the expiration of the revocation period described
in Paragraph 7(d) (the “Effective Date”), the Corporation will provide Executive with the following payments and benefits: 

(a) A lump sum payment of $42,784, which is equal to Executive’s salary for the period from the Separation Date through
October 31, 2014, less applicable taxes and required withholdings within 8 days of the expiration of the revocation period set forth in Paragraph 7(d) of this Agreement. 

 (b) If Executive elects continuation of his health insurance benefits pursuant to
COBRA, the Corporation will pay Executive’s portion of his COBRA premium through and including January 31, 2015. 
 4. In exchange
for receiving the payments and benefits described in paragraph 2 and 3 of the Agreement, Executive releases the Releasees from, and waives, any claim that Executive may have against any of them for any act, omission, incident or situation which may
have occurred at any time up until the Effective Date of this Release. This includes releasing and forever discharging the Releasees from and waiving: 

(a) Any claims arising under Title VII of the Civil Rights Act of 1964, the Age Discrimination in Employment Act, the Americans
with Disabilities Act, the Rehabilitation Act, the Equal Pay Act, 42 U.S.C. §§ 1981, 1982, 1983 and 1985, the Massachusetts Fair Employment Practices Act, M.G.L. c. 151B; the Fair Labor Standards Act; the Family and Medical Leave Act, 29
U.S.C. § 2601 et seq., the Massachusetts Civil Rights Act; the Massachusetts Equal Rights Law; the Massachusetts Minimum Fair Wages Statute (M.G.L. c. 151, §§ 1A and 1B); the Massachusetts Payment of Wages Statute (M.G.L. c. 149,
§ 148, et seq.); and any other claims arising under Chapters 149 through 154 of the Massachusetts General Laws, and any amendments to these statutes; 

(b) Any claims arising under the Family and Medical Leave Act, the National Labor Relations Act, the Sarbanes-Oxley Act of
2002, and all other federal, state, and local laws or ordinances relating to employment; 
 (c) Any claims arising under the
Employee Retirement Income Security Act (“ERISA”) (but not claims to vested ERISA benefits) or any other federal or state law pertaining to employee retirement or welfare benefits; 

(d) Any claims arising under federal common law or under the common law of any state, including but not limited to, actions in
tort, defamation and breach of contract, all claims to any non-vested ownership interest in the Corporation contractual or otherwise, including but not limited to, claims to stock, stock options, restricted stock units or any other form of
equity-based compensation; and any claim or damage arising out of Executive’s employment with or separation from the Corporation. 

(e) Any claims arising under any other federal, state or local statutory or regulatory provision; 

(f) Any claims for attorneys’ fees and/or costs. 

(g) Executive expressly agrees and understands that the release of claims contained in this Agreement is a general release and
that any reference to specific claims arising out of or in connection with Executive’s employment and/or its termination is not intended to limit the release of claims. Executive expressly agrees and understands that this general release means
that he is releasing, remising and discharging the Releasees from and with respect to all claims, whether known or unknown, asserted or unasserted, and whether or not the claims arise out of or in connection with Executive’s employment and/or
its termination, or otherwise. 

 Notwithstanding the above, this Agreement does not prevent Executive from pursuing any right or
claim which cannot be waived by law. Excepted from this promise not to sue are claims under the ADEA to the extent such an exception is required by law. Further excepted are any claims that cannot be waived by law, including the right to file an
application for unemployment insurance benefits and the right to file a charge of discrimination with an administrative agency and/or to participate or assist in an agency investigation. By signing this Agreement, however, Executive is waiving any
right to recover any relief in federal or state court, in any administrative proceeding or in arbitration, whether such a claim for relief is brought by Executive or through a federal or state agency or as part of a class action proceeding. This
Agreement also does not prevent Executive from pursuing any claim to enforce this Agreement or from asserting any future rights Executive may have to any vested benefits that Executive may be entitled to receive. 

5. By signing this Agreement, Executive is hereby acknowledging and agreeing that: (a) Executive is competent to enter into this
Agreement and is fully aware of his right to discuss any and all aspects of this Agreement with an attorney of his choice; (b) except for the promises contained in the Agreement, the Corporation has made no other promise of any kind to
Executive to cause Executive to sign this Agreement; (c) what Executive is receiving under the Agreement is in addition to anything of value to which he already is entitled; (d) what Executive is receiving is adequate and satisfactory to
him; and (e) the payments and benefits specified in the Agreement constitute full and final payment in settlement of all waivable claims of any kind, known or unknown, which Executive may have against the Releasees. Executive further
acknowledges that he has carefully read and fully understand all of the provisions of this Agreement, that Executive has had the opportunity to discuss the provisions of this Agreement with an attorney, and that Executive is voluntarily entering
into this Agreement. 
 6. Executive expressly acknowledges that he is not eligible for and will not receive any bonus for 2014, any other
bonus or any other compensation pursuant to any bonus or commission plan, policy, practice or agreement. Executive specifically agrees that, notwithstanding any other agreement, his Separation Date (September 5, 2014) shall be considered the date
his employment ceased, for all purposes, including but not limited to, for purposes of calculating the vesting of any stock, stock options, restricted stock units or any other form of equity-based compensation. All stock options unvested as of the
Separation Date shall be forfeited. 
 7. This Agreement is intended to comply with the Older Workers Benefit Protection Act of 1990 with
regard to Executive’s waiver of rights under the ADEA. 
 (a) Executive acknowledges that he is specifically waiving
rights and claims under the ADEA. 
 (b) The waiver of rights and claims under the ADEA does not extend to any rights of
claims arising after the date Executive executes this Agreement. 
 (c) Executive acknowledges that the Corporation has
advised him in writing to consult with an attorney prior to signing this Agreement. Employee further acknowledges that he has had the opportunity to consult with an attorney of his choice with respect to all terms and conditions set forth in this
Agreement and to have advice of counsel with respect to his decision to sign and enter into this agreement. 

 (d) Executive acknowledges and agrees that he has been given a period of up to
twenty-one (21) days in which to consider the terms of this Agreement and that this Agreement shall not become effective until seven (7) days following the date of his signature. Prior to that time, Executive may elect to revoke this
Agreement. If Executive chooses to revoke this Agreement, Executive agrees to notify the Chair of the Board of Directors of the Corporation in writing. If Executive does not sign and return the Agreement within the specified period, or Executive
revokes it, Executive will forfeit any payments contingent on the Agreement. Unless revoked by the Executive, this Agreement shall become effective eight calendar days after the date that Executive signs this Agreement, as evidenced by the date
adjacent to his signature at the end of this Agreement (the “Effective Date”). This Agreement shall not be effective and shall be deemed void as if never made if, prior to the Effective Date, Executive revokes his earlier acceptance of
this Agreement. Payments contingent upon the Executive entering into the Agreement will not be made (or begin) prior to the expiration of the period specified for revoking this Agreement. If the period for signing and returning the Agreement extends
into a later taxable year, any payments contingent upon the Agreement will be made (or begin) in the later taxable year. 
 8. By signing
this Agreement, Executive is hereby acknowledging and agreeing that Executive has been paid all sums due and owing to him as of the date hereof including, but not limited to, all salary, bonus, business expenses, allowances, vacation pay and other
benefits and perquisites as a result of Executive’s employment with the Corporation, and has received any leaves (paid or unpaid) to which he was entitled during his employment and the Corporation has not denied or interfered with his ability
to request or take such leave. 
 9. Executive agrees that his employment relationship with the Corporation has been severed and forever
waives any right to reinstatement, recall or future employment with the Corporation. 
 10. Executive agrees and acknowledges that
Paragraphs 7, 8, 10, 11 and 12 of his Employment Agreement concerning Trade Secrets, Inventions and Patents, Noncompetition, Non-Solicitation and Non-disparagement remain in full force and effect and are incorporated herein by reference. Following
Executive’s Separation Date all provisions of Executive’s Employment Agreement with the exception of those listed in this Paragraph shall be superseded by the terms of this Agreement. 

11. This Agreement represents the full and complete understanding of Executive and the Corporation. No prior or contemporaneous oral or
written agreements may be offered to alter their terms. This Agreement may not be modified except in a written document signed by both parties. 

12. If any portion or provision of this Agreement (including, without limitation, any portion or provision of any section of this Agreement)
shall to any extent be declared illegal or unenforceable by a court of competent jurisdiction, then the remainder of this Agreement, or the 

 
application of such portion or provision in circumstances other than those as to which it is so declared illegal or unenforceable, shall not be affected thereby, and each portion and provision of
this Agreement shall be valid and enforceable to the fullest extent permitted by law. 
 13. This Agreement shall be governed by and
interpreted in accordance with the laws of the Commonwealth of Massachusetts, without regard to its conflict of law provisions and except to the extent federal law applies. 

14. PLEASE READ CAREFULLY. PAUL LOOMIS SHOULD CONSULT WITH COUNSEL BEFORE SIGNING THIS DOCUMENT. THIS AGREEMENT INCLUDES A RELEASE OF KNOWN
AND UNKNOWN CLAIMS. 
  

													
		 		 		 		 		 	PAUL LOOMIS	 	
					
	WITNESS:	 	 /s/ Alysha LeBlanc
	 		 		 	 /s/ Paul Loomis

		 		 	9/26/14	 		 		 		 	9/26/14
							
		 		 		 		 		 	MKS INSTRUMENTS, INC.	 	
							
	ATTEST:	 	/s/ SallyAnn Bouley	 	10/6/14	 		 	By:	 	/s/ Cathy Langtry	 	10/6/14
		 		 	  Date	 		 		 	 Cathy Langtry
 Vice President

Global Human Resources
	 	   DateEX-10.3

 EXHIBIT 10.3 

MKS INSTRUMENTS, INC. 

Restricted Stock Unit Agreement 

Granted Under the 2014 Stock Incentive Plan 

AGREEMENT made «Grant Date» (the “Grant Date”), between MKS Instruments, Inc., a Massachusetts corporation (the
“Company”), and «Participant Name» (the “Participant”). 
 For valuable consideration, receipt of
which is acknowledged, the parties hereto agree as follows: 
 1. General. The Company hereby grants to the Participant restricted
stock units (“RSUs”) with respect to the number of shares set forth in Exhibit A hereto (the “Shares”) of common stock, no par value, of the Company (“Common Stock”), subject to the terms and conditions set forth
in this Agreement and in the Company’s 2014 Stock Incentive Plan (the “Plan”). The RSUs represent a promise by the Company to deliver Shares upon vesting. 

(a) Definitions. 
 (i)
“Code” means the U.S. Internal Revenue Code of 1986, as amended. 
 (ii) “Determination Date” (if applicable) is defined
in Exhibit A hereto. 
 (iii) “Disability” means disability as defined in Section 216(i)(1) of the U.S. Social
Security Act. 
 (iv) “Employ” or “employment” with the Company includes employment with a parent or subsidiary of the
Company as defined in Code Section 424(e) or (f), during the time in which such entity is a parent or subsidiary of the Company. 
 (v)
“Forfeiture” means any forfeiture of RSUs pursuant to Section 2. 
 (vi) “Retirement” means a voluntary termination
of employment by the Participant after he or she is at least age sixty (60) and has at least ten (10) Years of Service with the Company. A Participant’s termination shall not be deemed to be on account of Retirement unless he or she
provides the Company with notice of the Retirement at least sixty (60) days in advance of his or her proposed termination date and assists in the orderly transition of duties as requested by the Company. The Company may waive such advance
notice requirement in its sole discretion. 
 (vii) “Vesting Date” is defined on Exhibit A hereto. 

(viii) “Years of Service” means the total number of years of employment since Participant’s original date of employment with
the Company; provided, however, that if the Participant left or was terminated from employment with the Company and was then rehired, any previous employment period shall be included in the Years of Service only if (A) the Participant’s
absence from employment with the Company did not exceed five (5) years and (B) the total number of days employed by the Company exceeds the total number of days that the Participant was absent from employment. 

 (b) Vesting Period. Subject to the terms and conditions of this Agreement (including the
Forfeiture provisions described in Section 2 below), the RSUs shall vest according to the terms set forth in Exhibit A. As soon as practicable after each applicable Vesting Date, but no later than thirty (30) days following the
Vesting Date, the Company shall instruct its transfer agent to deposit the Shares subject to the RSUs into the Participant’s existing equity account at Fidelity Stock Plan Services, LLC, or such other broker with which the Company has
established a relationship (“Broker”), subject to payment in accordance with Section 6 of all applicable [withholding]1 taxes. Notwithstanding the above, the Shares may be
distributed following the date contemplated in this Section 1(b) solely to the extent permitted or required under Code Section 409A and regulations thereunder (“Section 409A”). 

2. Forfeiture. 
 (a)
Cessation of Employment. In the event that the Participant ceases to be employed by the Company for any reason or no reason (except for death, Disability or Retirement), with or without cause, prior to a Vesting Date, all of the
Participant’s unvested RSUs shall automatically be forfeited as of such cessation. For purposes hereof, employment shall not be considered as having ceased during any bona fide leave of absence if such leave of absence has been approved in
writing by the Company. However, in the event of any leave of absence, the Company may, in its sole discretion, suspend vesting of the RSUs, subject to applicable law and the provisions of Section 409A. The vesting of the RSUs shall not be
affected by any change in the type of employment the Participant has with the Company so long as the Participant continuously maintains employment. In the event that the Participant ceases to be employed by the Company by reason of death, Disability
or Retirement prior to a Vesting Date, then all of the Participant’s unforfeited RSUs shall become immediately and fully vested (subject to any performance criteria in Exhibit A) and shall no longer be subject to the Forfeiture
provisions under this Agreement and the Shares subject to such RSUs shall be delivered to the Participant as soon as practicable (but no later than thirty (30) days) following the Participant’s termination date, provided, however, that, if
such death, Disability or Retirement occurs prior to the Determination Date, if any, then the number of RSUs to be so vested shall be determined, and become vested, on the Determination Date, and the Shares subject to such vested portion of the RSUs
shall be delivered to the Participant as soon as practicable (but no later than thirty (30) days) following such Determination Date. 

(b) [Change in Control2. Notwithstanding the foregoing, if, prior to any Vesting Date,
and within two years after the effectiveness of a Change in Control (as defined below), the Participant is (i) terminated by the Company without Cause (as defined below) or (ii) terminates his employment for Good Reason (as defined below),
then, all (or, in the case of a performance-based RSU that is still subject to performance criteria per Exhibit A, the Target Number of RSUs (as defined on Exhibit A, if applicable) of the Participant’s unforfeited RSUs shall become
immediately and fully vested and shall no longer be subject to the Forfeiture provisions under this Agreement. For purposes of this section “Change in Control” means the first to occur of any of the following events: (I) any
“person” (as that term is used in Section 13 and 14(d)(2) of the Securities Exchange Act of 1934 (“Exchange Act”)) becomes the beneficial owner (as that term is used in Section 13(d) of the Exchange Act), directly or
indirectly, of fifty percent (50%) or more of the Company’s capital 
  

	1 	Delete for employees outside of the United States. 

	2 	 Only certain of the Company’s officers and other employees designated by the Compensation Committee of the Board of Directors will be entitled to
acceleration of vesting upon a Change in Control. 

  
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stock entitled to vote in the election of directors; (II) the shareholders of the Company approve any consolidation or merger of the Company, other than a consolidation or merger of the Company
in which the holders of the common stock of the Company immediately prior to the consolidation or merger hold more than fifty percent (50%) of the common stock of the surviving corporation immediately after the consolidation or merger; or (III)
the shareholders of the Company approve the sale or transfer of all or substantially all of the assets of the Company to parties that are not within a “controlled group of corporations” (as defined in Code Section 1563) in which the
Company is a member. For purposes of this Agreement, “Cause” shall mean conviction for the commission of a felony, willful failure by the Participant to perform his responsibilities to the Company, or willful misconduct by the
Participant. For purposes of this section, “Good Reason” shall mean termination of the Participant’s employment by the Participant within 90 days following (I) a material diminution in the Participant’s positions,
duties and responsibilities from those described in the Participant’s Employment Agreement, (II) a material reduction in the Participant’s base salary (other than a reduction which is part of a general salary reduction program affecting
senior executives of the Company), (III) a material reduction in the aggregate value of the pension and welfare benefits provided to the Participant from those in effect prior to the Change in Control (other than a reduction which is proportionate
to the reductions applicable to other senior executives pursuant to a cost-saving plan that includes all senior executives), (IV) a material breach of any provision of the Participant’s Employment Agreement by the Company or (V) the
Company’s requiring the Participant to be based at a location that creates for the Participant a one way commute in excess of 60 miles from his primary residence, except for required travel on the Company’s business to an extent
substantially consistent with the business travel obligations of the Participant under the Participant’s Employment Agreement. Notwithstanding the foregoing, a termination shall not be treated as a termination for Good Reason (I) if the
Participant shall have consented in writing to the occurrence of the event giving rise to the claim of termination for Good Reason or (II) unless the Participant shall have delivered a written notice to the Company within thirty (30) days of
his having actual knowledge of the occurrence of one of such events stating that he intends to terminate his employment for Good Reason and specifying the factual basis for such termination, and such event, if capable of being cured, shall not have
been cured within thirty (30) days of the receipt of such notice.]2 
 (c)
Clawback. In the event that (i) the Participant is, at any time during the period beginning on the Grant Date and ending on the Vesting Date (or, if later, on the Determination Date) an “executive officer” of the Company (as
defined in Rule 3b-7 under the Exchange Act) and (ii) the RSUs are (or were at any time) subject to performance criteria per Exhibit A, then the RSUs (and any Shares issued under the RSUs) shall be subject to potential cancellation,
recoupment, rescission, payback or other action in accordance with the terms of any applicable Company clawback policy (the “Clawback Policy”) or any applicable law, as may be in effect from time to time. The Participant hereby
acknowledges and consents to the Company’s application, implementation and enforcement of (i) any applicable Clawback Policy as may be in effect from time to time and (ii) any provision of applicable law relating to cancellation,
recoupment, rescission or payment of compensation, and agrees that the Company may take such actions as may be necessary to effectuate the Clawback Policy without further consideration or action. 

3. Restrictions on Transfer. The Participant shall not sell, assign, transfer, pledge, hypothecate or otherwise dispose of, by
operation of law or otherwise (collectively “transfer”) any RSUs, or any interest therein; provided that the Participant may transfer the RSUs to the extent necessary to fulfill a domestic relations order (as defined in
Section 414(p)(1)(B) of the Code). 

  
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 4. Provisions of the Plan. This Agreement is subject to the provisions of the Plan, a copy
of which is furnished to the Participant with this Agreement. 
 5. Section 409A. To the extent the Participant is or becomes
subject to U.S. Federal income taxation, the RSUs and payments made pursuant to this Agreement are intended to comply with or qualify for an exemption from the requirements of Section 409A and this Agreement shall be construed consistently
therewith. Neither the Company nor the Participant shall have any right to accelerate or defer payment under this Agreement except to the extent specifically permitted or required by Section 409A. Terms defined in the Agreement shall have the
meanings given such terms under Section 409A if and to the extent required to comply with Section 409A, including that references to “termination of employment” shall be considered to be references to a “separation from
service” as defined under Section 409A. Notwithstanding any other provision of this Agreement, the Company reserves the right, to the extent it deems necessary or advisable, in its sole discretion, to unilaterally amend the Plan and/or
this Agreement to ensure that all awards hereunder qualify for exemption from or otherwise comply with Section 409A; provided, however, that the Company makes no undertaking to preclude Section 409A from applying to this Award or to
guarantee compliance therewith. Any payments described in this Section 5 that are due within the “short term deferral period” as defined in Section 409A shall not be treated as deferred compensation unless applicable law requires
otherwise. If and to the extent any portion of any payment, compensation or other benefit provided to the Participant in connection with his or her employment termination is determined to constitute “nonqualified deferred compensation”
within the meaning of Section 409A and the Participant is a specified employee as defined in Section 409A(2)(B)(i) of the Code, as determined by the Company in accordance with its procedures, by which determination the Participant hereby
agrees that he or she is bound, such portion of the payment, compensation or other benefit shall not be paid before the day that is six months plus one day after the date of separation from service (as determined under Section 409A (the
“New Payment Date”)), except as Section 409A may then permit. The aggregate of any payments that otherwise would have been paid to the Participant during the period between the date of separation from service and the New Payment Date
shall be paid to the Participant in a lump sum on the New Payment Date, and any remaining payments will be paid on their original schedule. Notwithstanding the foregoing, the Company, its affiliates, directors, officers and agents shall have no
liability to a Participant, or any other party, if the RSU that is intended to be exempt from, or compliant with, Section 409A is not so exempt or compliant, or for any action taken by the Company’s Board of Directors, a committee thereof
or its delegates. 
 6. Withholding Taxes3. 

 
  

	3 	This section is applicable to employees who are located in the United States. For employees located outside of the United States, Section 6 shall read as follows: 

  
 4 

 (a) The Company’s obligation to deliver Shares to the Participant upon the vesting of RSUs
shall be subject to the satisfaction of all income tax (including federal, state and local taxes), social insurance, payroll tax, payment on account or other tax related withholding requirements (“Withholding Taxes”). In order to satisfy
all Withholding Taxes of the Participant’s RSUs, the Participant agrees to the following: 
 (b) The Participant hereby elects to
satisfy all Withholding Taxes obligation that may arise through the retention by the Company of Shares. Accordingly, the Participant hereby instructs the Company, with no further action by the Participant, to deduct and retain from the number of
Shares to which the Participant is entitled from the RSUs then vested or scheduled to vest such number of Shares as is equal to the value of the Withholding Taxes. The fair market value of such surrendered Shares will be based on the closing price
of the Company’s Common Stock on the respective vesting date, provided, however, that if such date is not a trading day, the Company shall use the closing price on the first trading day following such date. 

(c) Participant has reviewed with the Participant’s own tax advisors the federal, state, local and foreign tax consequences of this
equity award and the transactions contemplated by this Agreement. The Participant is relying solely on such advisors and not on any statements or representations of the Company or any of its agents. The Participant understands that the Participant
(and not the Company) shall be responsible for the Participant’s own tax liability that may arise as a result of this equity award or the transactions contemplated by this Agreement. 

(d) The Participant represents to the Company that, as of the date hereof, he/she is not aware of any material nonpublic information about the
Company or the Common Stock. The Participant and the Company have structured this Agreement to constitute a “binding contract” relating to the retention by the Company of Common Stock pursuant to this Section 6, consistent with the
affirmative defense to liability under Section 10(b) of the Securities Exchange Act of 1934 under Rule 10b5-1(c) promulgated under such Act. 

7. Nature of the Grant. In signing this Agreement, the Participant acknowledges that: 

(a) The Plan is established voluntarily by the Company, it is discretionary in nature and may be modified, amended, suspended or terminated by
the Company at any time, except to the extent otherwise provided in the Plan and this Agreement. 
  

 
 6. Taxes. 

(a) The Company’s obligation to deliver Shares to the Participant upon the vesting of the RSUs shall be subject to the satisfaction of all
income tax, social insurance, payroll tax or other tax related requirements. 
 (b) The Participant has reviewed with the Participant’s
own tax advisors the tax consequences of this equity award and the transactions contemplated by this Agreement. The Participant is relying solely on such advisors and not on any statements or representations of the Company or any of its agents. The
Participant understands that the Participant (and not the Company) shall be responsible for the Participant’s own tax liability that may arise as a result of this equity award or the transactions contemplated by this Agreement. 

  
 5 

 (b) The grant of RSUs is voluntary and occasional and does not create any contractual or other
right to receive future awards of RSUs, or benefits in lieu of RSUs even if RSUs have been awarded repeatedly in the past. 
 (c) All
decisions with respect to future grants of RSUs, if any, will be at the sole discretion of the Company. 
 (d) The Participant’s
participation in the Plan is voluntary. 
 (e) RSUs are not part of normal or expected compensation or salary for any purpose, including,
but not limited to, calculation of any wage payment, severance, redundancy, or other end of service payments, bonuses, long-service awards, pension or retirement benefits or similar payments and in no event should be considered as compensation for,
or relating in any way to, past services for the Company or the Participant’s employer or arising under any employment agreement. 

(f) No voting or dividend or distribution rights apply with respect to the RSUs. 

(g) The future value of the underlying Shares is unknown and cannot be predicted with certainty. 

(h) If the Participant receives Shares upon vesting, the value of such Shares acquired on vesting of RSUs may increase or decrease in value.

 (i) In consideration of the grant of RSUs, no claim or entitlement to compensation or damages arises from termination of the RSUs or
diminution in value of the RSUs or Shares received upon vesting of RSUs resulting from termination of the Participant’s employment by the Company or the Participant’s employer (for any reason whatsoever and whether or not in breach of
local labor laws) and the Participant irrevocably releases the Company and his or her employer from any such claim that may arise; if, notwithstanding the foregoing, any such claim is found by a court of competent jurisdiction to have arisen, then,
by signing this Agreement, the Participant shall be deemed irrevocably to have waived his or her entitlement to pursue such claim. 
 (j) If
the Participant ceases to be an employee (whether or not in breach of local labor laws), the Participant’s right to receive RSUs and vest under the Plan, if any, will terminate effective as of the date that the Participant is no longer actively
employed by the Company and will not be extended by any notice period mandated under local law (e.g., active employment would not include a period of “garden leave” or similar period pursuant to local law); the Committee shall have
the exclusive discretion to determine when the Participant is no longer actively employed for purposes of the Plan. 
 8. Data Privacy
Notice and Consent. The Participant hereby explicitly and unambiguously consents to the collection, use and transfer, in electronic or other form, of his or her personal data as described in this paragraph, by and among, as applicable, the
Participant’s employer and the Company and its subsidiaries and affiliates for, among other purposes, implementing, administering and managing the Participant’s participation in the Plan. The

  
 6 

 
Participant understands that the Company and its subsidiaries hold certain personal information about the Participant, including the Participant’s name, home address and telephone number,
date of birth, social security number or identification number, salary, nationality, job title, any Shares or directorships held in the Company, details of all options or any other entitlement to Shares awarded, canceled, exercised, vested, unvested
or outstanding in the Participant’s favor, for the purpose of managing and administering the Plan (“Data”). The Participant further understands that the Company and/or its subsidiaries will transfer Data amongst themselves as
necessary for employment purposes, including implementation, administration and management of the Participant’s participation in the Plan, and that the Company and/or any of its subsidiaries may each further transfer Data to Broker or such
other stock plan service provider or other third parties assisting the Company with processing of Data. The Participant understands that these recipients may be located in the United States, and that the recipient’s country may have different
data privacy laws and protections than in the Participant’s country. The Participant authorizes them to receive, possess, use, retain and transfer the Data, in electronic or other form, for the purposes described in this section, including any
requisite transfer to Broker or such other stock plan service provider or other third party as may be required for the administration of the Plan and/or the subsequent holding of Shares of stock on the Participant’s behalf. The Participant
understands that he or she may, at any time, request access to the Data, request any necessary amendments to it or refuse or withdraw the consents herein, in any case without cost, by contacting in writing his or her local human resources
representative. The Participant understands, however, that withdrawal of consent may affect the Participant’s ability to participate in or realize benefits from the Plan. For more information on the consequences of refusal to consent or
withdrawal of consent, the Participant understands that he or she may contact his or her local human resources representative. 
 9.
Miscellaneous. 
 (a) No Rights to Employment. The Participant acknowledges and agrees that the vesting of the RSUs pursuant
to Section 1 and Exhibit A hereof is earned only in accordance with the terms of such sections. The Participant further acknowledges and agrees that the transactions contemplated hereunder and the vesting schedule set forth herein do not
constitute an express or implied promise of continued engagement as an employee for the vesting period, for any other period, or at all. 

(b) Severability. The invalidity or unenforceability of any provision of this Agreement shall not affect the validity or enforceability
of any other provision of this Agreement, and each other provision of this Agreement shall be severable and enforceable to the extent permitted by law. 

(c) Waiver. Any provision for the benefit of the Company contained in this Agreement may be waived, either generally or in any
particular instance, by the Board of Directors of the Company or its delegate. 
 (d) Binding Effect. This Agreement shall be binding
upon and inure to the benefit of the Company and the Participant and their respective heirs, executors, administrators, legal representatives, successors and assigns, subject to the restrictions on transfer set forth in Section 3 of this
Agreement. 

  
 7 

 (e) Notice. All notices required or permitted hereunder shall be in writing and deemed
effectively given upon personal delivery or five days after deposit in the United States Post Office, by registered or certified mail, postage prepaid, addressed to the other party hereto at the address shown beneath his or its respective signature
to this Agreement, or at such other address or addresses as either party shall designate to the other in accordance with this Section 9(e). 

(f) Pronouns. Whenever the context may require, any pronouns used in this Agreement shall include the corresponding masculine, feminine
or neuter forms, and the singular form of nouns and pronouns shall include the plural, and vice versa. 
 (g) Language. If the
Participant has received this Agreement or any other document related to the Plan translated into a language other than English and if the translated version is different than the English version, the English version will control. 

(h) Electronic Delivery. The Company may, in its sole discretion, decide to deliver any documents related to participation in the Plan,
RSUs granted under the Plan or future RSUs that may be granted under the Plan by electronic means or to request the Participant’s consent to participate in the Plan by electronic means. The Participant hereby consents to receive such documents
by electronic delivery and, if requested, to agree to participate in the Plan through an on-line or electronic system established and maintained by the Company or another third party designated by the Company. 

(i) Entire Agreement. This Agreement and the Plan constitute the entire agreement between the parties, and supersedes all prior
agreements and understandings, relating to the subject matter of this Agreement. 
 (j) Amendment. Except as provided in
Section 5, this Agreement may be amended or modified only by a written instrument executed by both the Company and the Participant. 

(k) Governing Law. This Agreement shall be construed, interpreted and enforced in accordance with the internal laws of the Commonwealth
of Massachusetts without regard to any applicable conflicts of laws. 
 (l) The Participant’s Acknowledgments. The Participant
acknowledges that he or she: (i) has read this Agreement; (ii) has been represented in the preparation, negotiation, and execution of this Agreement by legal counsel of the Participant’s own choice or has voluntarily declined to seek
such counsel; (iii) understands the terms and consequences of this Agreement; and (iv) is fully aware of the legal and binding effect of this Agreement. 

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

 

			
	MKS INSTRUMENTS, INC.
		
	By:	 	  

	Name:	 	
	Title:	 	
	2 Tech Drive
	Andover, MA 01810
	
	«Electronic Signature»
	
	Participant’s Signature

  
 8

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