Document:

EX-10.10

 EXHIBIT 10.10 

MKS INSTRUMENTS, INC. 

Restricted Stock Unit Agreement 

Granted Under the 2004 Stock Incentive Plan 

AGREEMENT made this day (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 has granted 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 2004 Stock Incentive Plan (the “Plan”). The RSUs represent a promise by the Company to deliver Shares upon vesting. 

(a) Definitions. “Forfeiture” shall mean any forfeiture of RSUs pursuant to Section 2. “Vesting Date” is
defined on Exhibit A hereto. “Determination Date” (if applicable) is defined on Exhibit A hereto. For purposes of this Agreement, “employ” or “employment” with the Company shall include employment with a parent or
subsidiary of the Company as defined in Sections 424(e) or (f) of the U.S. Internal Revenue Code of 1986, as amended (the “Code). 

(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 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 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
Section 409A of the Code (“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 in any event any leave of 

 
absence and the vesting of RSUs during such shall be determined in accordance with Section 409A. The vesting of the RSUs shall not be affected by any change in the type of employment the
Participant has with or among 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 30 days following the Participant’s termination date, provided 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 30 days following such Determination Date. 
 For the purpose of this Section 2, “Disability” shall mean disability as defined in
Section 216(i)(1) of the U.S. Social Security Act. 
 “Retirement” means a voluntary termination of employment by the Participant after he or
she is at least age sixty (60) and has a combination of years of age plus Years of Service with the Company equal to seventy (70) or more. “Years of Service” means the total number of years of employment since Participant’s
original hire with the Company (or subsidiary of the Company, provided that service with a subsidiary shall only be counted towards Years of Service during the time in which such subsidiary is owned (directly or indirectly) by the Company) and
provided that in the event the employee left or was terminated and then rehired by the Company, the Company shall include previous employment period in the calculation of the Years of Service provided that the absence from the Company or subsidiary
has been five (5) years or less and only if the total number of days employed by the Company (or its subsidiary, as provided above) exceeds the total number of days that the employee was not employed by the Company (or its subsidiary, as
provided above). 
 (b) Change in Control. 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 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 

  
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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 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 30 days of the receipt of such notice. 

(c) Clawback. In the event that (i) the Participant is, on the Grant Date an “executive officer” of the Company (as
defined in Rule 3b-7 under the Securities Exchange Act of 1934, as amended) 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 in effect as of the date of this Agreement 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). 
 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 Participant is or becomes subject to U.S.
Federal income taxation, the RSUs and payments made pursuant to this Agreement are intended to comply 

  
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with or qualify for an exemption from the requirements of Section 409A and shall be construed consistently therewith and shall be interpreted in a manner consistent with that intention.
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. Notwithstanding any other provision of this Agreement, the Company reserves the right, to
the extent the Company deems necessary or advisable, in its sole discretion, to unilaterally amend the Plan and/or this Agreement to ensure that all RSUs are awarded in a manner that qualifies for exemption from or complies with Section 409A,
provided, however, that the Company makes no undertaking to preclude Section 409A from applying to this Award. 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 such 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 Taxes. 
 (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 due upon vesting of the Participant’s RSUs, the Participant agrees to the following: 
 (b) As a condition to
receiving any Shares upon vesting of the RSUs, on the date of this Agreement, the Participant hereby irrevocably instructs the Company to take the actions described in this subsection 6(b). On each Vesting Date, the Participant hereby elects to
satisfy all Withholding Taxes obligation then due through the retention by the Company of Shares. Accordingly, the Participant hereby instructs the Company, with no further action by the Participant, on each Vesting Date to deduct and retain from
the number of Shares to which the Participant is entitled from the RSUs then scheduled to vest such number of Shares as is equal to the value of the Withholding Taxes. The Participant understands that the fair market value of the surrendered Shares
will be based on the closing price of the Company’s Common Stock on the trading day preceding the Vesting Date. 

  
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 (c) Participant has reviewed with the Participant’s own tax advisors the federal, state,
local and foreign tax consequences of this grant 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 grant 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, unless otherwise provided in the Plan and this Agreement; 
 (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 an extraordinary item that do not constitute compensation of any kind for services of any kind rendered to the Company or to the
Participant’s employer, and RSUs are outside the scope of the Participant’s employment contract, if any; 
 (f) RSUs are not part
of normal or expected compensation or salary for any purpose, including, but not limited to, calculation of any severance, resignation, termination, redundancy, 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; 

(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;

  
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 (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; and 

(j) further, 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 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 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. 

  
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 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 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. 
 (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. 
 (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. 

  
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 (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. 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; and (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:	 	Gerald G. Colella
	Title:	 	Chief Executive Officer and President
	2 Tech Drive
	Andover, MA 01810
	
	«Electronic Signature»
	
	Participants Signature

  
 8EX-10.14

 EXHIBIT 10.14 
  

 
 MKS Instruments, Inc. 

Annual Corporate Management/Key Employee Bonus Plan 

Purpose: 
 The Annual Corporate Management/Key Employee
Bonus Plan (the “Management Bonus Plan”) provides key managers and employees (“Participants”) of MKS Instruments, Inc. (“MKS” or the “Company”) with the opportunity to benefit financially for improving MKS
overall business performance. Eligible employees are those who work in positions that influence how well MKS performs. 
 The Management Bonus Plan is
intended to encourage Participants to make prudent choices about how operations are conducted. The growth of MKS is dependent upon decision making that constantly focuses on achieving customer satisfaction while maintaining sound fiscal control.
While one person alone cannot change the direction of any company, the combined decisions made by the Participants in the Management Bonus Plan play an important part in influencing MKS’ overall business performance. 

Determination of a Participant’s Bonus Amount: 
 Each
Participant’s actual bonus payout under the Management Bonus Plan, if any, will be determined by multiplying the Participant’s Target Bonus Amount by the Corporate Performance Multiplier, each as defined below. The Corporate Performance
Multiplier may range from zero for achievement below the specified minimum annual corporate goal to a maximum of 200% for achievement of the maximum annual corporate goal. Therefore, the maximum payout possible for each Participant under the
Management Bonus Plan is 200% of a Participant’s Target Bonus Amount and the minimum payout possible is zero. 
 Participant’s
Target Bonus Amount: 
 Each Participant’s target bonus amount, which will be communicated in writing to each Participant by the
Company, is equal to a percentage of the Participant’s Eligible Earnings for the fiscal year being measured under the Management Bonus Plan (“Target Bonus Amount”). Eligible Earnings are defined as eligible W-2 earnings received
during the Management Bonus Plan period (i.e. base salary including regular, holiday, vacation, sick and retro pay, but not including bonus payments). A Participant’s Target Bonus Amount will not exceed 100% of his or her Eligible Earnings.

 Corporate Performance Multiplier: 

MKS’ Corporate Performance Multiplier under the Management Bonus Plan is measured by MKS’ financial results. The financial metric
used to calculate performance for bonus achievement is Corporate Adjusted Operating Income, which is defined under this Management Bonus Plan as GAAP Net Operating Income excluding any unanticipated charges or income not related to the operating
performance of MKS. The Management Bonus Plan is based on MKS’ 

 
performance during the fiscal year (January through December). Performance measurements with respect to Corporate Adjusted Operating Income are set at the beginning of the fiscal year by the
Compensation Committee of the Board of Directors of the Company. All of a Participant’s bonus is tied to the achievement of this corporate financial goal. 

Participation/Approval: 
 Participation in the Management
Bonus Plan for employees who are not “executive officers” of the Company (as defined in Rule 3b-7 under the Securities Exchange Act of 1934, as amended) (“Executive Officers”), or whose participation is not otherwise approved by
the Compensation Committee of the Board of Directors, requires the approval of the most senior individual in the applicable organization as well as Human Resources and the Chief Executive Officer. Participation in the Management Bonus Plan for
Executive Officers requires the approval of the Compensation Committee of the Board of Directors. Participation in the Management Bonus Plan is reviewed on an annual basis. Past participation in this plan, as well as the Participant’s
percentage target, is not a guarantee of future participation or target levels. 
 Clawback: 

In the event that a Participant is, on the date the Management Bonus Plan is provided to a Participant, an Executive Officer, then any bonus payment made
hereunder 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 in effect at the time the Participant is notified of his or her
eligibility to participate in the respective year’s Management Bonus Plan 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. 
 Administration: 

Bonus payouts are made as soon as possible after the end of the fiscal year and the performance assessment has been completed, but in no event later than
March 15 of the subsequent year. 
 Employment on Bonus Payout Date Required: 

In order to receive any bonus payment under the Management Bonus Plan, the Participant must be actively employed as of the payout date. 

No Right to Employment 
 MKS reserves the right to change
The Management Bonus Plan at any time, subject to senior management discretion or Compensation Committee approval, as appropriate. In no way does the Management Bonus Plan create a contract of employment. 

  
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