Document:

EX-10.15

 Exhibit 10.15 

MKS INSTRUMENTS, INC. 

SAR ASSUMPTION AGREEMENT 

FOR EMPLOYEES OUTSIDE OF THE UNITED STATES 

NEWPORT CORPORATION 

AMENDED AND RESTATED 2011 STOCK INCENTIVE PLAN 

2011 STOCK INCENTIVE PLAN 

2006 PERFORMANCE-BASED STOCK INCENTIVE PLAN 

Holder:
[                                ] 

STOCK APPRECIATION RIGHTS ASSUMPTION AGREEMENT effective as of April 29, 2016 (the “SAR Assumption
Agreement”). 
 WHEREAS, MKS Instruments, Inc., a Massachusetts corporation (“MKS”), has acquired
Newport Corporation, a Nevada corporation (“Newport”), through the merger of a wholly owned MKS subsidiary into Newport (the “Merger”) pursuant to the Agreement and Plan of Merger, by and among MKS,
Newport and such subsidiary dated as of February 22, 2016, as may be amended from time to time (the “Merger Agreement”). 

WHEREAS, before the consummation of the Merger, you held one or more outstanding awards of stock appreciation rights
(“SARs”) with respect to shares of the common stock of Newport that you received under the Newport Corporation Amended and Restated 2011 Stock Incentive Plan, the Newport Corporation 2011 Stock Incentive Plan, or the Newport
Corporation 2006 Performance-Based Stock Incentive Plan (each a “Newport Plan”), each of which is evidenced by a Stock Appreciation Right Award Agreement (a “SAR Agreement”) issued to you under the
applicable Newport Plan. 
 WHEREAS, the provisions of the Merger Agreement require MKS to assume, upon the effective time of the
Merger (the “Effective Time”), each SAR award that was outstanding as of immediately prior to the Effective Time by converting the number of shares of Newport common stock, par value $0.1167 per share (“Newport
Common Stock”) covered by the SAR award into shares of MKS common stock, no par value per share (“MKS Common Stock”), and adjusting the Base Value (as defined in the applicable Newport Plan) of each SAR award,
using an exchange ratio (the “Equity Award Exchange Ratio”) determined based on the Merger consideration and pre-closing trading prices for the MKS Common Stock under a method specified in the Merger Agreement. MKS has
provided you the actual Equity Award Exchange Ratio in the employee communication to you regarding the conversion. 
 WHEREAS, the
purpose of this SAR Assumption Agreement is to evidence MKS’s assumption of your outstanding SAR award identified on Annex A hereto upon the Effective Time and to reflect certain adjustments to that SAR award that are necessary in connection
with its assumption by MKS. 
 NOW, THEREFORE, MKS and you agree as follows: 

1. MKS has assumed, as of the Effective Time, all the duties and obligations of Newport under each of the SAR awards you held immediately
prior to the Effective Time (the “Newport SARs” and, as assumed, the “Assumed Newport SARs”) and will issue from the MKS Instruments, Inc. 2014 Stock Incentive Plan as it may be amended or replaced
from time to time (the “MKS Incentive Plan”) any shares that become distributable upon exercise of the Assumed Newport SAR awards. In connection with such assumption, the number of shares of MKS Common Stock that are subject
to the Assumed Newport SAR award covered by this SAR Assumption Agreement and the Base Value for each share of MKS Common Stock subject to such Assumed Newport SAR award have been adjusted to reflect the Equity Award Exchange Ratio, resulting in an
Assumed Newport SAR award with respect to the number of shares of MKS Common Stock and the Base Value for each share of MKS Common Stock subject to such Assumed Newport SAR award indicated on Annex A hereto. 

2. By clicking acceptance to this SAR Assumption Agreement, you hereby acknowledge receipt of this SAR Assumption Agreement and understand
that all rights and liabilities with respect to your Assumed Newport SAR award are as set forth in the applicable SAR Agreement, the applicable Newport Plan (to the extent incorporated into the SAR Agreement) and this SAR Assumption Agreement. 

 3. The intent of the foregoing adjustments to each of your Newport SAR awards is to preserve,
immediately after the Effective Time, on a per-share basis, the same ratio of the Base Value per share to the fair market value per share of the Newport SAR award as determined based on the Merger consideration, except as affected by rounding. For
each Assumed Newport SAR award, the Base Value is rounded up to the nearest cent, and the number of shares of MKS Common stock is rounded down to the nearest whole share. Such adjustments also ensure that the difference between the aggregate fair
market value of the shares of MKS Common Stock subject to each Assumed Newport SAR award and the aggregate Base Value with respect to those shares (as adjusted pursuant to the Merger Agreement) will not, immediately after the Effective Time, be
greater than the difference that existed, immediately prior to the Effective Time, between the then aggregate fair market value of the shares of Newport Common Stock subject to the Newport SAR and the aggregate Base Value with respect to those
shares under each SAR Agreement. You agree that this assumption satisfies Section 10.1 of the applicable Newport Plan. 
 4. Each
Assumed Newport SAR award will continue to have a maximum term of seven years measured from the original grant date (as indicated on Annex A hereto), subject to earlier termination (as provided in the applicable SAR Agreement) following your ceasing
to be in “Continuous Service” (as defined in the applicable SAR Agreement and in paragraph 5(d) of this SAR Assumption Agreement). 

5. The following provisions will govern the Assumed Newport SAR award: 

(a) Unless the context otherwise requires, all references in the applicable SAR Agreement and the applicable Newport Plan (to the extent
incorporated into such SAR Agreement) are adjusted as follows: (i) all references to the “Company” mean Newport (after the merger with a subsidiary of MKS) and any successor entity into which Newport is subsequently merged and, for
purposes of “Reorganization Event” under the MKS Incentive Plan, MKS, (ii) all references to “Stock,” “Common Stock” or “Shares” mean shares of MKS Common Stock, (iii) all references to the
“Board” mean the Board of Directors of MKS or the Compensation Committee of such Board and (iv) any interpretation of corporate law for purposes of the Assumed Newport SAR award will be under Massachusetts law rather than Nevada law.

 (b) The grant date and the expiration date of each Assumed Newport SAR award and all other provisions governing either the exercise or
the termination of each Assumed Newport SAR award remain the same as set forth in the applicable SAR Agreement, and those provisions (and any related provisions of the applicable Newport Plan incorporated by reference into such SAR Agreement) will
accordingly govern and control your rights under this SAR Assumption Agreement to receive MKS Common Stock under the Assumed Newport SAR award represented by this SAR Assumption Agreement. 

(c) No accelerated vesting of the Newport SARs has occurred by reason of the Merger or MKS’s assumption of those SARs. Accordingly, the
Assumed Newport SAR award represented by this SAR Assumption Agreement will continue to vest in accordance with the same installment vesting schedule in effect under that Newport SAR award (as set forth in the applicable SAR Agreement) immediately
prior to the Effective Time except that the number of shares of MKS Common Stock subject to each installment of such vesting schedule will be adjusted to reflect the Equity Award Exchange Ratio. This statement is not intended to override any
post-Effective Time rights to acceleration you may have under any other agreement with Newport. 
 (d) For purposes of applying any and all
provisions of any SAR Agreement and the applicable Newport Plan relating to your status as an employee or director of, or consultant to, Newport or its parent or subsidiaries for purposes of determining your Continuous Service, you will be deemed to
be in Continuous Service for as long as you continue to render services as an employee, director, or a consultant to MKS or any present or future parent company or majority-owned subsidiary of MKS. Accordingly, the provisions of each SAR Agreement
governing the termination of the Assumed Newport SAR awards in connection with your ceasing to be an employee, director, or other service provider will, after the Effective Time, be applied on the basis of your cessation of employee, director or
consultant status with MKS and its parent and majority-owned subsidiaries. 
 (e) To exercise each Assumed Newport SAR award, you must
comply with the instructions communicated to you with respect to electronic notice of exercise on which you must indicate the number of shares of MKS Common Stock as to which you are then exercising the Assumed Newport SAR award. You must also

 
satisfy any tax withholding obligations in a manner provided under the SAR Agreement, subject to such consents as are required from MKS. All notices must be addressed to MKS’s stock plan
administrator at the time of exercise (and, currently, Fidelity Stock Plan Services). 
 (f) When SARs are exercised through MKS’s
stock plan administrator’s automated system, the net number of shares that you are entitled to receive upon such exercise will be determined based upon a stock price on the date of exercise determined in accordance with the procedures of
MKS’s stock plan administrator, which may differ from those used by Newport’s previous stock plan administrator under the Newport Plan. You agree that, rather than using the closing price on the date of exercise to determine (x) the
number of shares of MKS Common Stock that represent the value of the exercised SARs and (y), where applicable, certain tax related obligations, MKS has directed the stock plan administrator to use another method consistent with automated trading
system functionality that is common in the industry. This method currently involves processing SAR exercises using the market price at the time of exercise (or, for exercises executed after market hours, the opening price on the following trading
day). This functionality offered by Fidelity will allow you to sell the net shares resulting from the exercise on the date of exercise (or on the next trading day following the date of exercise if the exercise is executed after market hours). 

(g) Taxes. 

(i) MKS’s obligation to deliver Shares to you upon exercise of the SARs shall be subject to the satisfaction of all income
tax, social insurance, payroll tax, payment on account, or other tax related requirements (“Tax Obligations”). 

(ii) You have reviewed with your own tax advisors the Tax Obligations applicable to you with respect to this Assumed Newport
SAR award and the transactions contemplated by this Agreement. You are relying solely on such advisors and not on any statements or representations of MKS, Newport, or any of their affiliates or agents. You understand that you (and not MKS, Newport
or their affiliates) shall be responsible for complying with your own Tax Obligations that may arise as a result of this Assumed Newport SAR award or the transactions contemplated by this Agreement. 

(iii) MKS or its affiliates may be required to withhold amounts to satisfy Tax Obligations on your behalf. To the extent that
MKS or any of its affiliates pays on your behalf any Tax Obligations for which you are responsible, MKS shall be entitled to require a cash payment by or on behalf of you and/or to deduct from other compensation payable to you the amount of any such
Tax Obligations paid by MKS or its affiliates. 
 6. Except to the extent specifically modified by this SAR Assumption Agreement, all of the
terms and conditions of the applicable SAR Agreement as in effect immediately prior to the Effective Time continue in full force and effect and are not in any way be amended, revised or otherwise affected by this SAR Assumption Agreement. 

IN WITNESS WHEREOF, MKS Instruments, Inc. has caused this SAR Assumption Agreement to be delivered on its behalf by its duly-authorized
officer or agent. 
  

			
	MKS INSTRUMENTS, INC.
		
	By:	 	  

		 	Gerald G. Colella, CEO and President
		
		 	Date: April 29, 2016

  

 Annex A 
  

			
	Name of SAR Holder	  	[                                      
  ]
		
	Original Grant Date	  	[                                      
  ]
		
	Number of SARs After Conversion	  	[                                      
  ]
		
	Base Value per Share after Conversion	  	[                                      
  ]

 (The number of shares covered by the SAR Award has been calculated by multiplying the number of shares of Newport Common Stock
represented by the SARs by the Equity Award Exchange Ratio and rounding down to the nearest whole share. The Base Value per Share has been calculated by dividing the Base Value per Share of the SAR Award by the Equity Award Exchange Ratio and
rounding up to the nearest whole cent.)EX-10.1

 Exhibit 10.1 

RESTRICTED STOCK UNIT AWARD AGREEMENT 

Pursuant to the 

FINANCIAL INSTITUTIONS, INC. 

2015 LONG-TERM INCENTIVE PLAN 
  

					
	Name of Participant:	  	
		
	Date of Grant:	  	
		
	Number of Restricted Stock Units:	  	
		
	Vested Restricted Stock Units and Vesting Schedule:	  	The Number of Restricted Stock Units set forth above shall become vested Restricted Stock Units in accordance with the terms of this Agreement as of the following Vesting Date(s):
			
		  	Vesting Date	 	Vested Restricted Stock Units

 This RESTRICTED STOCK UNIT AWARD AGREEMENT (this “Agreement”), dated as of [DATE], is made
between Financial Institutions, Inc. (the “Company”) and the above-named individual (the “Participant”) to record the grant to the Participant of a Restricted Stock Unit Award (the “Award”) on the Date of Grant set
forth above pursuant to Section 6.5 of the Financial Institutions, Inc. 2015 Long-Term Incentive Plan (the “Plan”). Capitalized terms not defined in this Agreement shall have the meaning given to such terms under the Plan. 

The Company and the Participant hereby agree as follows: 

Section 1. Grant of Restricted Stock Units. The Company hereby grants to the Participant, as of the Date of Grant,
subject to and in accordance with the terms and conditions of the Plan and this Agreement, a Restricted Stock Unit Award for the Number of Restricted Stock Units set forth above (the “Restricted Stock Units”). 

Section 2. Vesting of Restricted Stock Units. Subject to Section 4 below, provided that the Participant
provides substantial services and remains in continuous employment with the Company or a Subsidiary through the Vesting Date(s) set forth above, the Restricted Stock Units shall vest pursuant to the Vesting Schedule set forth above. Except as
otherwise provided by Section 4 below, if the Participant ceases to provide substantial services or remain in continuous employment with the Company or a Subsidiary for any reason prior to the Vesting Date (or the latest of the Vesting Dates) set
forth above, then all of the Participant’s unvested Restricted Stock Units as of the date that the Participant ceases to provide substantial services or remain in continuous employment with the Company or a Subsidiary shall be immediately
forfeited. 
 Section 3. Timing and Form of Payout. Except as otherwise provided by Section 4 below and subject to Section 8 below,
within 90 days following a Vesting Date (a “Payment Date”), the vested Restricted Stock Units shall be paid to the Participant by the Company delivering to the Participant a number of shares of Common Stock equal to the number of vested
Restricted Stock Units as of the Payment Date. The Company may issue the shares of Common Stock either (a) in certificate form or (b) in book entry form, registered in the name of the Participant. Notwithstanding anything herein to the
contrary, the Company shall have no obligation to issue shares of Common Stock in payment of the vested Restricted Stock Units unless such issuance and such payment shall comply with all relevant provisions of law and the requirements of any Stock
Exchange on which the shares of Common Stock are traded. 
 Section 4. Effects of Certain Events. 

 

	 	(a)	Change in Control. Subject to the terms of the Plan, if prior to the Vesting Date (or the latest of the Vesting Dates) set forth above there is a Change in Control: 

 

	 	(i)	 if Replacement Awards are not provided to the Participant to replace unvested Restricted Stock Units, then all of
the Participant’s unvested Restricted Stock Units that have not been forfeited 

	 	
shall fully vest as of the date of the Change in Control. If the Change in Control qualifies as a “change in control” for purposes of Code Section 409A, then subject to Section 8 below,
such vested Restricted Stock Units shall be paid to the Participant within 90 days following the Change in Control. Otherwise, such vested Restricted Stock Units shall be paid at the time specified under Section 3 above. 

 

	 	(ii)	if Replacement Awards are provided to the Participant to replace unvested Restricted Stock Units, then in the event of the Participant’s Involuntary Termination during the period of two (2) years immediately
following the Change in Control, all of such Replacement Awards shall fully vest as of the date of the Involuntary Termination, and subject to Section 8 below, shall be paid to the Participant within 90 days following the Involuntary Termination.

  

	 	(b)	Death or Disability. If prior to the Vesting Date (or the latest of the Vesting Dates) set forth above, the Participant’s employment with the Company or a Subsidiary terminates due to death or Disability,
then all of the Participant’s unvested Restricted Stock Units shall fully vest as of the date of the Participant’s death or Disability, and subject to Section 8 below, shall be paid to the Participant or the Participant’s legal
representative in the event of the Disability of the Participant, or in the event of the death of the Participant, to the legal representative of the Participant’s estate, or if no legal representative has been appointed, to the successor in
interest determined under the Participant’s will, within 90 days following the Participant’s termination of employment due to death or Disability. 

Section 5. Dividend Equivalents. No dividend equivalents shall accrue or be paid to the Participant with
respect to any Restricted Stock Units. 
 Section 6. Rights as Shareholder. In addition to the transfer and
other restrictions set forth elsewhere in this Agreement and in the Plan, the Participant, as holder of the Restricted Stock Units, shall not possess any rights of a holder of Common Stock (including voting and dividend rights) with respect to the
shares of Common Stock underlying such Restricted Stock Unit Award until such time as the Restricted Stock Unit Award vests, is paid and the shares of Common Stock are issued to the holder of the Restricted Stock Unit Award. 

Section 7. No Transferability. The Restricted Stock Units may not be sold, transferred, pledged, assigned,
encumbered, or otherwise alienated or hypothecated other than by will or the laws of descent and distribution. Vested Restricted Stock Units shall be payable only to the Participant during the Participant’s lifetime, or in the event of the
Disability of the Participant, to the Participant or the legal representative of the Participant, or in the event of the death of the Participant, to the legal representative of the Participant’s estate, or if no legal representative has been
appointed to the successor in interest determined under the Participant’s will. 
 Section 8. Withholding Taxes. As a
condition of and prior to the payout of any Restricted Stock Units, the Company shall be entitled to require the Participant to remit to the Company an amount sufficient to satisfy the amount of any federal, state, or local taxes required to be
withheld with respect to the vesting and payout of the vested Restricted Stock Units, or any other taxable event related thereto. The Committee may permit the Participant to make such payment in any form or manner authorized by the Committee in
its sole discretion, including, but not limited to one or more of the forms specified below: 
  

	 	(a)	U.S. dollars by personal check, bank draft, or money order payable to the Company, by money transfer or direct account debits; 

  

	 	(b)	Delivery to the Company of a number of shares of Common Stock having an aggregate fair market value of not less than the minimum tax withholding required for the Award; 

 

	 	(c)	Involvement of a stockbroker in accordance with the federal margin rules set forth in Regulation T; 

  

	 	(d)	A cashless exercise if and to the extent permissible by applicable law; or 

  

	 	(e)	Any combination of the above forms and methods. 

  
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 In the event the Participant fails to provide timely payment of all sums required by the Company pursuant to this
Section 8, the Company shall have the right and option, but not obligation, to treat such failure as an election by the Participant to provide all or any portion of such required payment by means of tendering vested shares of Common Stock. 

Section 9. Adjustment. As provided by the Plan, in the event of any increase or decrease in the number of
issued shares of Common Stock resulting from a stock split, stock dividend, combination or exchange of shares, exchange for other securities, reclassification, reorganization, recapitalization, or any other increase or decrease in the number of
outstanding shares of Common Stock effected without consideration to the Company, the specified number of Restricted Stock Units shall be proportionately adjusted to prevent dilution or enlargement of the rights granted to, or available for, the
Participant hereunder. 
 Section 10. No Employment Rights. Nothing in the Plan or this Agreement confers upon the
Participant any right with respect to continuance of employment by the Company or any of its Subsidiaries, or affects the right of the Company or any of its Subsidiaries may have to terminate the Participant’s employment at any time. 

Section 11. Coordination with Plan. The Participant hereby acknowledges receipt of a copy of the Plan and
agrees to be bound by all of the terms and provisions thereof including any that may conflict with those contained in this Agreement. 

Section 12. Notices. All notices to the Company shall be in writing and sent to the Company’s Director of Human
Resources at the Company’s offices. Notices to the Participant shall be addressed to the Participant at the Participant’s address as it appears on the Company’s records. 

Section 13. Amendment. The Company may alter, amend or terminate this Agreement only with the Participant’s
consent, except as otherwise expressly provided by the Plan or this Agreement. 
 Section 14. Governing
Law. This Agreement shall be governed by the laws of the State of New York to the extent not preempted by federal law, without reference to principles of conflict of laws, and construed accordingly. 

Section 15. Compensation Recovery Policy. Notwithstanding any other provision of this Agreement to the contrary, any Restricted Stock
Units granted and/or shares of Common Stock issued hereunder, and/or any amount received with respect to any sale of any such shares of Common Stock, shall be subject to potential cancellation, recoupment, rescission, payback or other action in
accordance with the terms of the Company’s compensation recovery policy, if any, or any similar policy that the Company may adopt from time to time (the “Policy”). The Participant agrees and consents to the Company’s application,
implementation and enforcement of (i) the Policy that may apply to the Participant and (ii) any provision of applicable law relating to cancellation, rescission, payback or recoupment of compensation, including, but not limited to Section 10D
of the Exchange Act, and expressly agrees that the Company may take such actions as are necessary to effectuate the Policy or applicable law without further consent or action being required by the Participant. To the extent that the terms of
this Agreement and the Policy or any similar policy conflict, then the terms of such policy shall prevail. 
 Section 16. Excise Tax
Cap. In the event that a Participant becomes entitled to any payment or benefit under this Agreement (such benefits together with any other payments or benefits payable to the Participant under any other agreement with the Participant, or plan
or policy of the Company, are referred to in the aggregate as the “Total Payments”), if all or any part of the Total Payments will be subject to the tax imposed by Code Section 4999, or any similar tax that may hereafter be imposed (the
“Excise Tax”), then: 
  

	 	(a)	Within 30 days following the Participant’s termination of employment, the Company will notify the Participant in writing: (1) whether the payments and benefits under this Agreement, when added to any other payments
and benefits making up the Total Payments, exceed an amount equal to 299% of the Participant’s “base amount” as defined in Code Section 280G(b)(3) (the “299% Amount”); and (2) the amount that is equal to the 299% Amount.

  

	 	(b)	The payments and benefits under this Agreement shall be reduced such that the Total Payments do not exceed the 299% Amount, so that no portion of the payments and benefits under this Agreement will be subject to the
Excise Tax. Any payment or benefit so reduced will be permanently forfeited and will not be paid to the Participant. 

  
 3 

	 	(c)	The calculation of the 299% Amount and the determination of how much the Participant’s payments and benefits must be reduced in order to avoid application of the Excise Tax will be made by the Company’s public
accounting firm prior to the Participant’s termination of employment, which firm must be reasonably acceptable to the Participant (the “Accounting Firm”). The Company will cause the Accounting Firm to provide detailed supporting
calculations of its determinations to the Company and the Participant. Notice must be given to the Accounting Firm within 15 business days after an event entitling the Participant to a payment under this Agreement. All fees and expenses of the
Accounting Firm will be borne solely by the Company. 

  

	 	(d)	For purposes of making the reduction of amounts payable under this Agreement, such amounts will be eliminated in compliance with the requirements of Code Section 409A, to the extent applicable. 

Section 17. Section 409A. This Agreement and the Restricted Stock Units hereunder are intended to comply with Code Section 409A,
and this Agreement shall be administered and interpreted consistent with such intention. Notwithstanding the foregoing, the Company makes no representations to the Participant regarding the taxation of the Restricted Stock Units under this
Agreement, including, but not limited to, the tax effects of Code Section 409A, and the Participant shall be solely responsible for the taxes imposed upon him or her with respect to the Restricted Stock Units. References to “termination of
employment” and similar terms used in this Agreement mean, to the extent necessary to comply with Code Section 409A, the date that the Participant first incurs a “separation from service” within the meaning of Code Section 409A.
Notwithstanding anything in this Agreement to the contrary, if at the time of the Participant’s separation from service, the Participant is a “specified employee” for purposes of Code Section 409A, and payment under this Agreement as
a result of such separation from service is required by Code Section 409A to be delayed by six months, then the Company shall make such payment on the day following the six-month anniversary of the Participant’s separation from service to the
extent required to comply with Code Section 409A. 
 IN WITNESS WHEREOF, the Company and the Participant have caused this Agreement to be
executed on the date set forth opposite their respective signatures, but effective as of the Date of Grant. 
  

											
	Dated:   	 	  
	 		 	For the Company:	 	
						
		 		 		 	By:	 	  
	 	
						
		 		 		 	Name:   	 	  
	 	
						
		 		 		 	Title:	 	  
	 	
					
	Dated:   	 	  
	 		 	PARTICIPANT:	 	
						
		 		 		 	By:	 	  
	 	
						
		 		 		 	Name:   	 	  
	 	

  
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