Document:

TERMINATION AGREEMENT (DOMINIC)

 Exhibit 10.1 
 TERMINATION AGREEMENT 
 Agreement made this 9th day of July 2008, by and between Excel Technology, Inc. (the
“Company”) a Delaware corporation, and Antoine Dominic, the President and Chief Executive Officer of the Company (the “Employee”). 
 WITNESSETH: 
 WHEREAS, the Company is proposing to enter into an Agreement and Plan of Merger (the
“Merger Agreement”) with GSI Group, Inc., a New Brunswick corporation (“GSI”), and Eagle Acquisition Corporation, a Delaware corporation and an indirect wholly owned subsidiary of GSI (“Purchaser”), which provides for a
cash tender offer (the “Offer”) by Purchaser for all of the outstanding shares of voting stock of the Company (“Shares”), followed by a merger of Purchaser with and into the Company, with the Company surviving the merger as an
indirect wholly owned subsidiary of GSI; and 
 WHEREAS, Employee has an employment
agreement (“Employment Agreement”; capitalized terms used but not defined herein having the meanings ascribed thereto in the Employment Agreement) with the Company, dated the 9th day of October, 2006, that (a) expires on October 31, 2008, and, unless the parties reach a new agreement prior to the expiration of the Employment Period, automatically
renews for one year periods unless terminated in accordance with its terms or the parties agree to new terms of employment, and (b) provides (i) for a salary, currently payable at the rate of $750,000 per annum, (ii) in the event
(a) Employee’s employment is terminated without cause or Employee leaves the employ of the Company for Good Reason, Employee is entitled to receive (A) a cash lump sum payment in an amount equal to two (2) times Employee’s
Base Salary, plus an amount equal to the sum of the bonuses paid or payable by the Company to Employee for each of the performance periods ending within the two calendar years immediately preceding the calendar year of termination of his employment
(collectively, the “Severance Payment” all or a portion of which the Company and Employee intend to be allocable to the Employee’s agreement not to compete set forth in Section 6.01 of the Employment Agreement, and as extended
pursuant to Section 4 hereof (the “Covenant Not to Compete Payment”)), such lump sum payment to be 

 
made within ten (10) days following such termination of employment (B) the bonus compensation, to the extent unpaid, which Employee had earned
under the Company’s Annual Incentive Compensation Plan for Key Executives (the “Key Executive Bonus Plan”) for (1) all performance periods that ended before the date of Employee’s termination of employment (a “Completed
Period Unpaid Bonus”), and (2) the performance period in which Employee’s employment terminated (a “Partial Period Unpaid Bonus”), (C) continued medical and dental benefits for Employee, his spouse and dependents for a
period of 60 months following the termination of Employee’s employment on terms that are no less favorable to Employee, his spouse and dependents than those in effect immediately before such termination of employment (the “Medical/Dental
Benefits”), (D) full and immediate vesting of Employee’s outstanding stock options and shares of restricted stock (“Vesting of Options/Restricted Stock”), (iii) that in the event of a Change of Control, Employee is
entitled to a payment equal to the product of (A) 2.99 and (B) Employee’s “annualized includible compensation” as that term is defined in Section 280G of the Internal Revenue Code of 1986, as amended, and the
regulations promulgated thereunder (the “Code”) for the period consisting of the most recent five (5) taxable years ending before the Change of Control (the “Change of Control Payment”), (iv) that in the event it is
determined that any payment or distribution made, or benefit provided (including, without limitation, the acceleration of any payment, distribution or benefit and the accelerated exercisability of any stock option), to or for Employee’s benefit
(whether paid or payable or distributed or distributable) pursuant to the terms of the Employment Agreement or otherwise (but determined without regard to any additional payments required under this provision) (a “Payment”) would be
subject to excise tax imposed by Section 4999 of the Code (or any similar excise tax) or any interest or penalties are incurred by him with respect to such excise tax (such excise tax, together with any such interest and penalties, the
“Excise Tax”), Employee shall be entitled to receive from the Company an additional payment (a “Gross-Up Payment”) in an amount such that after payment by him of all taxes (including any Excise Tax, income tax or employment tax
and taking into account any lost or reduced tax deductions on account of such Gross-Up Payment) imposed upon the Gross-Up Payment and any interest or penalties imposed with respect to such taxes, Employee retains an amount from the Gross-Up Payment
equal to the Excise Tax imposed upon the Payments, and (v) for the payment of deferred compensation (the “Deferred 
  

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Compensation Payment”) six months following the termination of the Employee’s employment with the Company for any reason, which provision was
superseded by the terms of a “Deferred Compensation Plan” effective November 1, 2006 (the “Deferred Compensation Plan”) and ratified by the Compensation Committee (as defined herein), providing that the Deferred Compensation
Payment will be made by the Company to the Employee thirty (30) days after a Change of Control (as defined in Section 1.4 of the Deferred Compensation Plan); provided, that all such foregoing payments are subject to applicable withholding
taxes; and 
 WHEREAS, the Employment Agreement defines (a) Change of Control to mean, among other things, “the acquisition by any
person...of more than 50% of ... the then outstanding shares of common stock of the Company” and (b) Good Reason to mean, among other things, “a significant reduction in the scope of the Employee’s authority, functions,
duties, or responsibilities from that which is contemplated by the Employment Agreement; and 
 WHEREAS, (a) the Company acknowledges
and confirms that, as described in Section 7.14 of the Merger Agreement, at the Purchase Time Employee will have “Good Reason” for terminating his employment with the Company pursuant to the Employment Agreement, (b) the Employee
has given notice to the Company that he will leave the employ of the Company for Good Reason contingent upon the occurrence of and immediately following the Purchase Time, and (c) the Company further acknowledges and confirms that if Employee
voluntarily terminates his employment with the Company following the Purchase Time, Employee shall be entitled to receive the payments and benefits provided in the Employment Agreement upon the termination by the Employee of his employment with the
Company for Good Reason; and 
 WHEREAS, upon Purchaser’s purchase of Shares pursuant to the Offer, by accepting for payment Shares
validly tendered and not withdrawn as of the expiration date of the Offer, and paying for such Shares in accordance with the terms of the Offer by depositing the aggregate purchase price therefor with the Depositary for the Offer (the
“Depositary”), Parent will acquire ownership of a majority of the total number of then outstanding Shares on a fully-diluted basis (the date and time of such deposit with the Depositary being referred to as the “Purchase Time”);
and 
 WHEREAS, this Agreement is being entered into by the Company and Employee to (i) implement the provisions of the Employment Agreement
(as superseded by the Deferred 

  

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Compensation Plan to the extent described above) which will be applicable, and to set forth the amount of the payments which Employee and the Company have
agreed will be payable to Employee pursuant to the Employment Agreement (as superseded by the Deferred Compensation Plan to the extent described above), upon the termination of Employee’s employment with the Company for Good Reason immediately
following the Purchase Time, (ii) set forth an amount of the Severance Payment which, subject to Section 3, the Company and Employee have initially agreed to designate as the Covenant Not To Compete Payment, (iii) provide a procedure
for adjusting such amount so designated and for making commensurate adjustments in the respective amounts of the Severance Payment and the Gross-Up Payment, (iv) (A) provide for an extension to a three-year period of the Employee’s
non-compete obligations set forth in Section 6.01 of the Employment Agreement and (B) set forth the three-year non-solicitation covenant agreed to by the Employee and (v) provide for the mutual releases set forth herein; and

 WHEREAS, the terms of this Agreement, the Employment Agreement and the Deferred Compensation Plan have been approved or ratified by the
Compensation Committee of the Company’s Board of Directors (the “Compensation Committee”) as an “employment compensation, severance or other employee benefit arrangement” within the meaning of Rule 14d-10 under the
Securities Exchange Act of 1934, as amended (the “Exchange Act”), and the Chairman of the Compensation Committee is authorized to execute this Agreement on behalf of the Company; 
 NOW, THEREFORE, in consideration of the premises, and other good and valuable consideration the receipt and sufficiency of which are hereby acknowledged,
the parties hereto agree as follows: 
 1. Termination of Employment. Contingent upon the occurrence of and immediately following the
Purchase Time, the Employee’s employment with the Company shall terminate for Good Reason. 
 2. Payments. 
 (a) Provided the Employee has not revoked the Waiver and Release (as defined herein) in accordance with Section 5(a)(ii), (i) immediately upon
the occurrence of the Purchase Time, the Company shall, subject to Section 3, pay to the Employee, less any applicable withholding taxes, (A) the Severance Payment, (B) the Covenant Not to Compete 

  

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Payment, (C) to the extent unpaid (x) the Completed Period Unpaid Bonus in respect of the Company’s fiscal quarter ended June 27, 2008
(the “Q2 2008 Bonus”), (y) any Completed Period Unpaid Bonus in respect of the fiscal quarter ended September 26, 2008 if the Purchase Time occurs after September 26, 2008, calculated as 10% of the Company’s pre-tax
book income for such fiscal quarter, subject to adjustments by the Compensation Committee consistent with past practice (the “Q3 2008 Bonus”), and (z) any Partial Period Unpaid Bonus, which, if the Purchase Time occurs prior to
September 26, 2008, shall equal the Q2 2008 Bonus, and if the Purchase Time occurs after September 26, 2008, shall equal the Q3 2008 Bonus, in either case pro rated based on the number of days elapsed prior to the Purchase Time in the
fiscal quarter in respect of which such Partial Period Unpaid Bonus is paid, (D) the Change of Control Payment and (E) the Gross-Up Payment; and (ii) pay to the Employee on the thirtieth (30th) day after the Purchase Time the Deferred Compensation Payment, less any applicable withholding taxes. The Company shall remit to the appropriate taxing authority, at or before
the time required by law to be so remitted, any withholding taxes (including any social security and Medicare taxes and the Company’s contribution with respect to such taxes) and excise taxes imposed by Section 4999 of the Code, or any
similar excise tax applicable to the payments provided for above and to any other amounts or benefits paid or provided to the Employee pursuant to this Agreement or the Employment Agreement following the termination of his employment with the
Company (“Withholding Taxes”). Set forth on Exhibit A which is attached hereto and made a part hereof, are the payments to be made, subject to Withholding Taxes and subject to Section 3, with respect to the Severance Payment, the
Covenant Not to Compete Payment, the Change of Control Payment and the Gross-Up Payment, if the Purchase Time occurs, alternatively, between September 26, 2008 and December 31, 2008 or at any time prior to September 26, 2008. The
Employee hereby irrevocably waives any rights the Employee may have with respect to the Medical/Dental Benefit and the Vesting of Options/Restricted Stock with respect to any restricted stock that has not vested as of the Purchase Time. 

(b) In the event it is determined that any payment or benefit to Employee hereunder is subject to any additional tax or interest pursuant to
Section 409A of the Code, the Company shall pay the Employee within 30 days of such determination the amount of such additional tax and interest (including any gross up with respect thereto) not to exceed, in total, $2 million plus 6% simple
annual interest. 
  

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 3. Certain Adjustments. 
 (a) The amount of the Covenant Not to Compete Payment set forth on Exhibit A shall be subject to adjustment and final determination based on a valuation
by an independent valuation firm selected by GSI, which firm shall complete such valuation and provide the final amount of the Covenant Not to Compete Payment and supporting calculations to GSI and the Employee, and shall provide the final amount of
the Covenant Not to Compete Payment to GSI’s independent accountants, within twenty (20) business days following the date of this Agreement. The respective amounts of the Severance Payment and the Gross-Up Payment set forth on Exhibit A
shall be subject to adjustment and final determination by GSI’s independent accounting firm based on the final determination of the amount of the Covenant Not to Compete Payment in accordance with the immediately preceding sentence, and such
final determination, together with supporting calculations, shall be provided by such accounting firm to GSI and the Employee within three (3) business days after receiving the valuation and supporting calculations referred to in the
immediately preceding sentence and in any event prior to the Purchase Time. The amount of Withholding Taxes with respect to the Severance Payment, the Covenant Not to Compete Payment and the Gross-Up Payment shall be finally determined by GSI’s
independent accountants based on the amount of such payments as adjusted and finally determined in accordance with this Section 3 and the Withholding Taxes percentages specified in the first footnote on Exhibit A hereto. The adjustments and
final determinations pursuant to this Section 3 shall be binding upon the Company and the Employee and Exhibit A shall be amended (and shall be deemed amended whether or not actually modified) prior to the Purchase Time to reflect such
adjustments and final determinations. The fees and disbursements of the independent valuation firm and the independent accountants for services referred to in this Section 3 shall be paid by the Company. 
 (b) In addition to Section 3(a), the Employee shall notify the Company in writing in the same manner as set forth in Section 4.11(c) of the
Employment Agreement of any claim by the Internal Revenue Service that, if successful, would require the payment by the Company of an additional Gross-Up Payment. In such event, the Company and the Employee shall abide by the rules, procedures and
remedies as set forth in Sections 4.11(c) and 4.11(d) of the Employment Agreement. In the event that the Company exhausts its 

  

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remedies pursuant to Section 4.11(c) of the Employment Agreement and the Employee thereafter is required to make a payment of any Excise Tax, GSI’s
independent accountants shall determine the amount of the underpayment to the Gross-Up Payment that has occurred and any such underpayment shall be promptly paid by the Company to or for the benefit of the Employee. 
 (c) It is expressly acknowledged and agreed by the Company and the Employee that GSI is an intended third party beneficiary of this Section 3 and
shall be entitled to the rights and benefits provided herein, and to enforce such rights, as if it were a party to this Agreement. 
 4.
Continuing Obligations under the Employment Agreement; Extension of Non-Compete; Non-Solicitation. 
 (a) From and after the Purchase
Time, the Company and Employee shall honor all of their respective obligations under the Employment Agreement that are specifically stated to or by their terms survive the termination of Employee’s employment thereunder, but only to the extent
such obligations are not duplicative with the obligations set forth under this Agreement. It is specifically agreed that the payment by the Company of the amounts set forth on Exhibit A, as adjusted pursuant to Section 3 hereof, shall be in
full satisfaction of the corresponding obligations under the Employment Agreement. 
 (b) Notwithstanding the foregoing Section 4(a),
the Employee agrees with the Company that, in consideration for the agreements of the Company hereunder Section 6 of the Employment Agreement is hereby amended (i) to extend the period of his agreement not to compete to a period of three
(3) years following the Purchase Time and (ii) to add the following non-solicitation provision to the end of Section 6.01 of the Employment Agreement: “For a period of three years following the Purchase Time, the Employee agrees
that he will not, directly or indirectly, for the Employee’s benefit or for the benefit of any other person, firm or entity, do any of the following: 
 (i) solicit from any customer doing business with the Company or any of its subsidiaries as of the Purchase Time or within six (6) months prior to the Purchase Time, business of the same or of a similar nature to
the business of the Company or any of its subsidiaries; 
 (ii) solicit from any potential customer of the Company or any of its
subsidiaries business of the same or of a similar nature to that which has been the subject of a 

  

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written or oral bid, offer or proposal by the Company or any of its subsidiaries, or of substantial preparation with a view to making such a bid, proposal or
offer, within six (6) months prior to the Purchase Time; 
 (iii) solicit the employment or services of, or hire or engage, any person
who was employed or engaged by the Company or any of its subsidiaries as of the Purchase Time, or within 6 months thereof, other than Alice Varisano if she is not then engaged as a consultant by the Company or GSI; or 
 (iv) otherwise interfere with the business or accounts of the Company or any of its subsidiaries, including, but not limited to, with respect to any
relationship or agreement between the Company or any of its subsidiaries and any vendor or supplier.” 
 5. Releases. 

(a) (i) Effective upon the receipt by the Employee of all the payments to be paid to Employee at the Purchase Time as provided in Section 2
hereof, and the payment by the Company to the appropriate taxing authorities at or before the time required by law to be so paid of the Withholding Taxes as provided in Section 2 hereof, as may be adjusted pursuant to Section 3, Employee
hereby releases and forever discharges the Company, its subsidiaries, and their respective successors and assigns (collectively, “Company Releasees”) from any and all claims, causes of action, suits, back-wages, benefits, attorneys’
fees, debts, dues, sums of money, accounts, reckonings, bonds, bills, specialties, covenants, contracts, controversies, agreements, promises, variances, trespasses, damages, judgments, extents, executions, charges, complaints and demands whatsoever,
in law, or equity, of any and every kind, nature and character, known or unknown, which such Company Releasees, the Employee, his, heirs, executors, administrators and legal representatives ever had, may now have or hereafter can, shall or may have
for, upon or by reason of any matter, cause or thing whatsoever from the beginning of the world to the date of this Agreement specifically but not exclusively relating to any claims arising out of or in any way related to the Employment Agreement,
the Employee’s employment with the Company under the Employment Agreement or the termination of the Employee’s employment with the Company under the Employment Agreement or otherwise; provided, however, there shall be
excluded from such release (i) the Company’s obligations under the Employment Agreement that are specifically stated to or by their terms survive the termination of the Employee’s employment thereunder (but only to the extent such
obligations 

  

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are not duplicative with the Company’s obligations hereunder), (ii) any rights of the Employee for indemnification (and advancement of expenses) by
the Company or GSI (or any successors) pursuant to applicable law or the Company’s certificate of incorporation or by-laws, (iii) any rights of the Employee with respect to insurance coverage under any of the Company’s or GSI’s
(or any successors) directors and officers liability insurance policies, (iv) any rights of the Employee pursuant to the Merger Agreement, and (v) any rights of Employee under this Agreement. Also, this release shall have no effect on the
Employee’s right as a stockholder and option holder of the Company to receive payment for his stock and options in accordance with the Merger Agreement. 
 (ii) Employee acknowledges that he is waiving and releasing any rights he may have under the Age Discrimination in Employment Act of 1967 (“ADEA”) (“Waiver and Release”) and that this Waiver and
Release is knowing and voluntary. Employee and the Company agree that this Waiver and Release does not apply to any rights or claims that may arise under the ADEA after the effective date of this Waiver and Release. Employee acknowledges that the
consideration given for this Waiver and Release is in addition to anything of value to which Employee was already entitled. Employee further acknowledges that he has been advised by this writing that (a) he should consult with an attorney prior
to executing this Agreement containing the Waiver and Release; (b) he has at least twenty-one (21) days within which to consider this Waiver and Release; (c) he has seven (7) days following the execution of this Agreement by the
parties to revoke the Waiver and Release; (d) the Waiver and Release shall not be effective until the revocation period has expired; and (e) nothing in this Agreement prevents or precludes Employee from challenging or seeking a
determination in good faith of the validity of this Waiver and Release under the ADEA, nor does it impose any condition precedent, penalties or costs for doing so, unless specifically authorized by federal law. Any revocation should be in writing
and delivered to Howard S. Breslow, Esq., c/o Breslow & Walker, LLP, 100 Jericho Quadrangle, Jericho, New York 11753, by close of business on the seventh day from the date that Employee signs this Agreement. 
 (b) Effective at the Purchase Time, provided the Employee has not revoked the Waiver and Release in accordance with Section 5(a)(ii), the Company,
on behalf of itself and each of its subsidiaries, hereby releases the Employee and forever discharges the Employee, 

  

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his heirs, executors, administrators and legal representatives (collectively, “Employee Releasees”) from any and all claims, causes of action,
suits, benefits, attorneys’ fees, debts, dues, sums of money, accounts, reckonings, bonds, bills, specialties, covenants, contracts, controversies, agreements, promises, variances, trespasses, damages, judgments, extents, executions, charges,
complaints and demands whatsoever, in law, or equity, of any and every kind, nature and character, known or unknown, which against such Employee Releasees, the Company or any of its subsidiaries, ever had, may now have or hereafter can, shall or may
have for, upon or by reason of any matter, cause or thing whatsoever from the beginning of the world to the date of this Agreement; provided, however, there shall be excluded from such release Employee’s obligations to the Company
under this Agreement as well as those under the Employment Agreement that are specifically stated to or by their terms survive the termination of the Employee’s employment thereunder. 
 6. Application for Employment. Employee understands and agrees that, as a condition of this Agreement, he shall not be entitled to any employment
with the Company, its subsidiaries, or any successor, and he hereby waives any right, or alleged right, of employment or re-employment with the Company. 
 7. Costs. The parties shall each bear their own costs, expert fees, attorneys’ fees and other fees incurred in connection with the preparation of this Agreement. 
 8. Arbitration. The parties agree that any and all disputes arising out of the terms of this Agreement (other than with respect to the
enforceability of Employee’s agreement not to compete and not to solicit (as set forth in Section 4 of this Agreement) which shall be governed by Section 6.02 of the Employment Agreement), their interpretation and any of the matters
herein released, including any potential claims of harassment, discrimination or wrongful termination shall be subject to binding arbitration, to the extent permitted by law, in Suffolk County, New York, before the American Arbitration Association
under its National Rules for the Resolution of Employment Disputes. Employee agrees and hereby waives his right to jury trial as to matters arising out of the terms of this Agreement and any matters herein released to the extent permitted by law.
The parties agree that the prevailing party in any arbitration shall be entitled to injunctive relief in any court of competent jurisdiction to enforce the arbitration award. 
  

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 9. Authority. Employee represents and warrants that he has the capacity to act on his own behalf
and on behalf of all who might claim through him to bind them to the terms and conditions of this Agreement. 
 10. No
Representations. Employee represents that he has had the opportunity to consult with an attorney, and has carefully read and understands the scope and effect of the provisions of this Agreement. Neither party has relied upon any representations
or statements made by the other party hereto which are not specifically set forth in this Agreement. 
 11. Severability. In the event
that any provision hereof becomes or is declared by a court of competent jurisdiction to be illegal, unenforceable or void, this Agreement shall continue in full force and effect without said provision; provided, however, that with
respect to the term of the noncompetition and nonsolicitation covenants set forth above, the parties agree and intend to enforce said covenants for the maximum time permitted by law. 
 12. Entire Agreement. This Agreement, along with those provisions of the Employment Agreement which are specifically stated to or by their terms
survive the termination of the Employee’s employment thereunder (but only to the extent such obligations are not duplicative with the obligations set forth under this Agreement), represents the entire agreement and understanding between the
Company and Employee concerning Employee’s separation from the Company, and supersede and replace any and all prior agreements and understandings concerning Employee’s relationship with the Company and his compensation by the Company.

 13. Amendment. This Agreement may only be amended in writing signed by Employee and the Company. 
 14. Binding Effect. This Agreement shall be fully effective and binding upon all parties hereto immediately upon execution of this Agreement,
except as to rights or claims arising under the ADEA, in which case Employee has seven (7) days following the execution of this Agreement to change his mind (solely with respect to such rights and claims) by giving written notice thereof as
herein stated. This Agreement shall be void and of no effect if the Merger Agreement is terminated in accordance with its terms. 
 15.
Governing Law. This Agreement shall be governed by and construed in accordance with the laws of the State of Delaware. 
  

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 16. Counterparts. This Agreement may be executed in counterparts, and each counterpart shall have
the same force and effect as an original and shall constitute an effective, binding agreement on the part of each of the undersigned. 
 IN
WITNESS WHEREOF, the parties hereto have executed this Agreement as of the date and year first above written. 
  

			
	EXCEL TECHNOLOGY, INC.
		
	By:	 	 /s/ Steven Georgiev

	Name:	 	Steven Georgiev
	Title:	 	Chairman of the Compensation
		 	Committee of the Board of Directors
	
	 /s/ Antoine Dominic

	Antoine Dominic

  

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 EXHIBIT A 
 Purchase Time Occurs between September 26, 2008 and December 31, 2008:* 
  

					
	 Severance Payment
	  	$	 – 0 – 	**
	 Covenant Not to Compete Payment (A)
	  	 	6,786,889	**
	 Change of Control Payment
	  	 	9,717,072	 
	 Gross-Up Payment
	  	 	– 0 – 	**
	 Non-Vested Restricted Stock
	  	 	(181,600	)***
	 Medical/Dental Benefits
	  	 	(60,000	)***

 Purchase Time Occurs at any time prior to September 26, 2008:* 
  

					
	 Severance Payment
	  	$	 – 0 – 	**
	 Covenant Not to Compete Payment
	  	 	6,786,889	**
	 Q2 2008 Bonus
	  	 	775,000	 
	 Change of Control Payment
	  	 	9,717,072	 
	 Gross-Up Payment
	  	 	– 0 – 	**
	 Non-Vested Restricted Stock
	  	 	(363,200	)***
	 Medical/Dental Benefits
	  	 	(60,000	)***

  

	*	All listed payments are gross amounts, and shall be subject to Withholding Taxes, calculated as follows: Federal income taxes: 35%; New York State income taxes: 7.35%; Company
Medicare: 1.45%; Employee Medicare: 1.45%; Excise Tax (including on Gross-Up Payment): 20% 

	**	Amount subject to adjustment pursuant to Section 3 of this Agreement. The calculation of the Severance Payment amount includes retention payments totaling $390,000 paid to the
Employee in 2006 and 2007 and the bonus in lieu of equity compensation of $1,400,000 granted to the Employee in 2006 and paid in 2007. 

	***	Mr. Dominic has waived his rights to (a) any restricted stock that has not vested as of the Purchase Time, and (b) continuing Medical/Dental Benefits. 

	(A)	Mr. Dominic’s covenant not to compete has been extended from one (1) year to three (3) years and a non-solicitation covenant has been added for a period of three (3) years.

  

 A-1TERMINATION AGREEMENT (VARISANO)

 Exhibit 10.2 
 TERMINATION AGREEMENT 
 Agreement made this 9th day of July 2008, by and between Excel Technology, Inc. (the
“Company”) a Delaware corporation , and Alice Varisano, the Chief Financial Officer of the Company (the “Employee”). 
 WITNESSETH: 
 WHEREAS, the Company is proposing to enter into an Agreement and Plan of Merger (the “Merger Agreement”)
with GSI Group, Inc., a New Brunswick corporation (“GSI”), and Eagle Acquisition Corporation, a Delaware corporation and an indirect wholly owned subsidiary of GSI (“Purchaser”), which provides for a cash tender offer (the
“Offer”) by Purchaser for all of the outstanding shares of voting stock of the Company (“Shares”), followed by a merger of Purchaser with and into the Company, with the Company surviving the merger as an indirect wholly owned
subsidiary of GSI; and 
 WHEREAS, Employee has an employment agreement
(“Employment Agreement”; capitalized terms used but not defined herein having the meanings ascribed thereto in the Employment Agreement) with the Company, dated the 15th day of February, 2007, that (a) expires on February 15, 2011, and (b) provides (i) for a salary, currently payable at the rate of $350,000 per annum, a minimum yearly bonus of $100,000, and a
yearly expense allowance of $30,000, (ii) in the event (a) Employee’s employment is terminated without cause or Employee resigns for Good Reason, Employee is entitled to receive, in addition to all forms of current and past due
compensation to the date of termination, (A) a cash lump sum payment in an amount equal to Employee’s Base Salary, plus an amount equal to the sum of Employee’s prior year’s bonuses and expense allowance (collectively, the
“Severance Payment” all or a portion of which the Company and Employee intend to be allocable to the Employee’s agreement not to compete set forth in Section 6.01 of the Employment Agreement, and as extended pursuant to
Section 4 hereof (the “Covenant Not to Compete Payment”)), and (iii) that in the event of a Change of Control, Employee is entitled to a payment equal to the product of (A) 2.99 and (B) Employee’s “annualized
includible compensation” as that term is 

 
defined in Section 280G of the Code and regulations thereunder for the period consisting of the most recent five (5) taxable years ending before
the Change of Control (the “Change of Control Payment”); provided, that all such foregoing payments are subject to applicable withholding taxes; and 
 WHEREAS, the Employment Agreement defines (a) Change of Control to mean, among other things, “the acquisition by any person... of more than 50% of ... the then outstanding shares of common stock of the
Company” and (b) Good Reason to mean, among other things, “the material diminution in the title or job responsibilities of the Employee; and 
 WHEREAS, (a) the Company acknowledges and confirms that, as described in Section 7.14 of the Merger Agreement, at the Purchase Time Employee will have “Good Reason” for terminating her employment
with the Company pursuant to the Employment Agreement, (b) the Employee has given notice to the Company that she will leave the employ of the Company for Good Reason contingent upon the occurrence of and immediately following the Purchase Time,
and (c) the Company further acknowledges and confirms that if Employee voluntarily terminates her employment with the Company following the Purchase Time, Employee shall be entitled to receive the payments and benefits provided in the
Employment Agreement upon the termination by the Employee of her employment with the Company for Good Reason; and 
 WHEREAS, upon
Purchaser’s purchase of Shares pursuant to the Offer, by accepting for payment Shares validly tendered and not withdrawn as of the expiration date of the Offer, and paying for such Shares in accordance with the terms of the Offer by depositing
the aggregate purchase price therefor with the Depositary for the Offer (the “Depositary”), Parent will acquire ownership of a majority of the total number of then outstanding Shares on a fully-diluted basis (the date and time of such
deposit with the Depositary being referred to as the “Purchase Time”); and 
 WHEREAS, this Agreement is being entered into by the
Company and Employee to (i) implement the provisions of the Employment Agreement which will be applicable, and to set forth the amount of the payments which Employee and the Company have agreed will be payable to Employee pursuant to the
Employment Agreement, upon the termination of Employee’s employment with the Company for Good Reason immediately following the Purchase Time, (ii) set forth an amount of the Severance Payment which, subject to Section 3, 

  

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the Company and Employee have initially agreed to designate as the Covenant Not To Compete Payment, (iii) provide a procedure for adjusting such amount
so designated and for making commensurate adjustments in the amount of the Severance Payment, (iv) (A) provide for an extension to a two-year period of the Employee’s non-compete obligations set forth in Section 6.01 of the
Employment Agreement and (B) set forth the two-year non-solicitation covenant agreed to by the Employee and (v) provide for the mutual releases set forth herein; and 
 WHEREAS, the terms of this Agreement and the Employment Agreement have been approved or ratified by the Compensation Committee of the Company’s
Board of Directors (the “Compensation Committee”) as an “employment compensation, severance or other employee benefit arrangement” within the meaning of Rule 14d-10 under the Securities Exchange Act of 1934, as amended (the
“Exchange Act”), and the Chairman of the Compensation Committee is authorized to execute this Agreement on behalf of the Company; 
 NOW, THEREFORE, in consideration of the premises, and other good and valuable consideration the receipt and sufficiency of which are hereby acknowledged, the parties hereto agree as follows: 
 1. Termination of Employment. Contingent upon the occurrence of and immediately following the Purchase Time, the Employee’s employment with
the Company shall terminate for Good Reason. 
 2. Payments. Provided the Employee has not revoked the Waiver and Release (as defined
herein) in accordance with Section 5(a)(ii), immediately upon the occurrence of the Purchase Time, the Company shall, subject to Section 3, pay to the Employee, less any applicable withholding taxes, (i) the Severance Payment,
(ii) the Covenant Not to Compete Payment and (iii) the Change of Control Payment. The Company shall remit to the appropriate taxing authority, at or before the time required by law to be so remitted, any withholding taxes (including any
social security and Medicare taxes and the Company’s contribution with respect to such taxes) and excise taxes, if applicable, to the payments provided for above and to any other amounts or benefits paid or provided to the Employee pursuant to
this Agreement or the Employment Agreement following the termination of her employment with the Company (“Withholding Taxes”). Set forth on Exhibit A which is 

  

 3 

 
attached hereto and made a part hereof, are the payments to be made, subject to Withholding Taxes and subject to Section 3, with respect to the
Severance Payment, the Covenant Not to Compete Payment and the Change of Control Payment. 
  

 4 

 3. Certain Adjustments. 
 (a) The amount of the Covenant Not to Compete Payment set forth on Exhibit A shall be subject to adjustment and final determination based on a valuation
by an independent valuation firm selected by GSI, which firm shall complete such valuation and provide the final amount of the Covenant Not to Compete Payment and supporting calculations to GSI and the Employee, and shall provide the final amount of
the Covenant Not to Compete Payment to GSI’s independent accountants, within twenty (20) business days following the date of this Agreement. The amount of the Severance Payment set forth on Exhibit A shall be subject to adjustment and
final determination by GSI’s independent accounting firm based on the final determination of the amount of the Covenant Not to Compete Payment in accordance with the immediately preceding sentence, and such final determination, together with
supporting calculations, shall be provided by such accounting firm to GSI and the Employee within three (3) business days after receiving the valuation and supporting calculations referred to in the immediately preceding sentence and in any
event prior to the Purchase Time. The adjustments and final determinations pursuant to this Section 3 shall be binding upon the Company and the Employee and Exhibit A shall be amended (and shall be deemed amended whether or not actually
modified) prior to the Purchase Time to reflect such adjustments and final determinations. The amount of Withholding Taxes with respect to the Severance Payment and the Covenant Not to Compete Payment shall be finally determined by GSI’s
independent accountants based on the amount of such payments as adjusted and finally determined in accordance with this Section 3 and the Withholding Taxes percentages specified in the first footnote on Exhibit A hereto. The adjustments and
final determinations pursuant to this Section 3 shall be binding upon the Company and the Employee and Exhibit A shall be amended (and shall be deemed amended whether or not actually modified) prior to the Purchase Time to reflect such
adjustments and final determinations. The fees and disbursements of the independent valuation firm and the independent accountants for services referred to in this Section 3 shall be paid by the Company. 
 (b) Notwithstanding anything in this Agreement to the contrary, in the event it shall be determined pursuant to Section 3(a) above that any payment
or distribution made, or benefit provided (including, without limitation, the acceleration of any payment, distribution or benefit and the accelerated vesting of any stock-based award), to or for the benefit of the Employee (whether paid or payable
or distributed or distributable pursuant to the terms of this 

  

 5 

 
Agreement or otherwise (a “Payment”) would be subject to the excise tax imposed by Section 4999 of the Code (or any similar excise tax) or any
interest or penalties are incurred by the Employee with respect to such excise tax (such excise tax, together with any such interest and penalties, are hereinafter collectively referred to as the “Excise Tax”), then such Payment shall be
equal to the “Reduced Amount” as determined by GSI’s independent accounting firm engaged in Section 3(a) above. The “Reduced Amount” shall be either (i) the largest portion of the Payment that would result in no
portion of the Payment being subject to the Excise Tax or (ii) the Payment, in either case, after taking into account all applicable federal state and local employment taxes, income taxes and the Excise Tax (all computed at the highest
applicable marginal rate), which results in the Employee’s receipt, on an after-tax basis, of the greater amount of the Payment notwithstanding that all or some portion of the Payment may be subject to the Excise Tax. 
 (c) It is expressly acknowledged and agreed by the Company and the Employee that GSI is an intended third party beneficiary of this Section 3 and
shall be entitled to the rights and benefits provided herein, and to enforce such rights, as if it were a party to this Agreement. 
 4.
Continuing Obligations under the Employment Agreement; Extension of Non-Compete; Non-Solicitation. 
 (a) From and after the Purchase
Time, the Company and Employee shall honor all of their respective obligations under the Employment Agreement that are specifically stated to or by their terms survive the termination of Employee’s employment thereunder, but only to the extent
such obligations are not duplicative with the obligations set forth under this Agreement. It is specifically agreed that the payment by the Company of the amounts set forth on Exhibit A, as adjusted pursuant to Section 3 hereof, shall be in
full satisfaction of the corresponding obligations under the Employment Agreement. 
 (b) Notwithstanding the foregoing Section 4(a),
the Employee agrees with the Company that, in consideration for the agreements of the Company hereunder Section 6 of the Employment Agreement is hereby amended (i) to extend the period of her agreement not to compete to a period of two
(2) years following the Purchase Time and (ii) to add the following non-solicitation provision to the end of Section 6.01 of the Employment Agreement: “For a 

  

 6 

 
period of two years following the Purchase Time, the Employee agrees that she will not, directly or indirectly, for the Employee’s benefit or for the
benefit of any other person, firm or entity, do any of the following: 
 (i) solicit from any customer doing business with the Company or any
of its subsidiaries as of the Purchase Time or within six (6) months prior to the Purchase Time, business of the same or of a similar nature to the business of the Company or any of its subsidiaries; 
 (ii) solicit from any potential customer of the Company or any of its subsidiaries business of the same or of a similar nature to that which has been
the subject of a written or oral bid, offer or proposal by the Company or any of its subsidiaries, or of substantial preparation with a view to making such a bid, proposal or offer, within six (6) months prior to the Purchase Time; 

(iii) solicit the employment or services of, or hire or engage, any person who was employed or engaged by the Company or any of its subsidiaries as
of the Purchase Time, or within 6 months thereof; or 
 (iv) otherwise interfere with the business or accounts of the Company or any of its
subsidiaries, including, but not limited to, with respect to any relationship or agreement between the Company or any of its subsidiaries and any vendor or supplier.” 
 5. Releases. 
 (a) (i) Effective upon
the receipt by the Employee of all the payments to be paid to Employee at the Purchase Time as provided in Section 2 hereof and the payment by the Company to the appropriate taxing authorities at or before the time required by law to be so paid
of the Withholding Taxes as provided in Section 2 hereof, but subject to Section 3, Employee hereby releases and forever discharges the Company, its subsidiaries, and their respective successors and assigns (collectively, “Company
Releasees”) from any and all claims, causes of action, suits, back-wages, benefits, attorneys’ fees, debts, dues, sums of money, accounts, reckonings, bonds, bills, specialties, covenants, contracts, controversies, agreements, promises,
variances, trespasses, damages, judgments, extents, executions, charges, complaints and demands whatsoever, in law, or equity, of any and every kind, nature and character, known or unknown, which such Company Releasees, the Employee, her, heirs,

  

 7 

 
executors, administrators and legal representatives ever had, may now have or hereafter can, shall or may have for, upon or by reason of any matter, cause or
thing whatsoever from the beginning of the world to the date of this Agreement specifically but not exclusively relating to any claims arising out of or in any way related to the Employment Agreement, the Employee’s employment with the Company
under the Employment Agreement or the termination of the Employee’s employment with the Company under the Employment Agreement or otherwise; provided, however, there shall be excluded from such release (i) the Company’s
obligations under the Employment Agreement that are specifically stated to or by their terms survive the termination of the Employee’s employment thereunder (but only to the extent such obligations are not duplicative with the Company’s
obligations hereunder), (ii) any rights of the Employee for indemnification (and advancement of expenses) by the Company or GSI (or any successors) pursuant to applicable law or the Company’s certificate of incorporation or by-laws,
(iii) any rights of the Employee with respect to insurance coverage under any of the Company’s or GSI’s (or any successors) directors and officers liability insurance policies, (iv) any rights of the Employee pursuant to the
Merger Agreement, and (v) any rights of Employee under this Agreement. Also, this release shall have no effect on the Employee’s right as a stockholder and option holder of the Company to receive payment for her stock and options in
accordance with the Merger Agreement. 
 (ii) Employee acknowledges that she is waiving and releasing any rights she may have under the Age
Discrimination in Employment Act of 1967 (“ADEA”) (“Waiver and Release”) and that this Waiver and Release is knowing and voluntary. Employee and the Company agree that this Waiver and Release does not apply to any rights or
claims that may arise under the ADEA after the effective date of this Waiver and Release. Employee acknowledges that the consideration given for this Waiver and Release is in addition to anything of value to which Employee was already entitled.
Employee further acknowledges that she has been advised by this writing that (a) she should consult with an attorney prior to executing this Agreement containing the Waiver and Release; (b) she has at least twenty-one (21) days within
which to consider this Waiver and Release; (c) she has seven (7) days following the execution of this Agreement by the parties to revoke the Waiver and Release; (d) the Waiver and Release shall not be effective until the revocation
period has expired; and (e)

  

 8 

 
nothing in this Agreement prevents or precludes Employee from challenging or seeking a determination in good faith of the validity of this Waiver and Release
under the ADEA, nor does it impose any condition precedent, penalties or costs for doing so, unless specifically authorized by federal law. Any revocation should be in writing and delivered to Howard S. Breslow, Esq., c/o Breslow & Walker,
LLP, 100 Jericho Quadrangle, Jericho, New York 11753, by close of business on the seventh day from the date that Employee signs this Agreement. 
 (b) Effective at the Purchase Time, provided the Employee has not revoked the Waiver and Release in accordance with Section 5(a)(ii), the Company, on behalf of itself and each of its subsidiaries, hereby releases the Employee and
forever discharges the Employee, her heirs, executors, administrators and legal representatives (collectively, “Employee Releasees”) from any and all claims, causes of action, suits, benefits, attorneys’ fees, debts, dues, sums of
money, accounts, reckonings, bonds, bills, specialties, covenants, contracts, controversies, agreements, promises, variances, trespasses, damages, judgments, extents, executions, charges, complaints and demands whatsoever, in law, or equity, of any
and every kind, nature and character, known or unknown, which against such Employee Releasees, the Company or any of its subsidiaries, ever had, may now have or hereafter can, shall or may have for, upon or by reason of any matter, cause or thing
whatsoever from the beginning of the world to the date of this Agreement; provided, however, there shall be excluded from such release Employee’s obligations to the Company under this Agreement as well as those under the
Employment Agreement that are specifically stated to or by their terms survive the termination of the Employee’s employment thereunder. 
 6. Application for Employment. Employee understands and agrees that, as a condition of this Agreement, she shall not be entitled to any employment with the Company, its subsidiaries, or any successor, and she hereby waives any right,
or alleged right, of employment or re-employment with the Company. 
 7. Costs. The parties shall each bear their own costs, expert
fees, attorneys’ fees and other fees incurred in connection with the preparation of this Agreement. 
 8. Arbitration. The
parties agree that any and all disputes arising out of the terms of this Agreement (other than with respect to the enforceability of Employee’s agreement not 

  

 9 

 
to compete and not to solicit (as set forth in Section 4 of this Agreement) which shall be governed by Section 6.02 of the Employment Agreement),
their interpretation and any of the matters herein released, including any potential claims of harassment, discrimination or wrongful termination shall be subject to binding arbitration, to the extent permitted by law, in Suffolk County, New York,
before the American Arbitration Association under its National Rules for the Resolution of Employment Disputes. Employee agrees and hereby waives her right to jury trial as to matters arising out of the terms of this Agreement and any matters herein
released to the extent permitted by law. The parties agree that the prevailing party in any arbitration shall be entitled to injunctive relief in any court of competent jurisdiction to enforce the arbitration award. 
 9. Authority. Employee represents and warrants that she has the capacity to act on her own behalf and on behalf of all who might claim through her
to bind them to the terms and conditions of this Agreement. 
 10. No Representations. Employee represents that she has had the
opportunity to consult with an attorney, and has carefully read and understands the scope and effect of the provisions of this Agreement. Neither party has relied upon any representations or statements made by the other party hereto which are not
specifically set forth in this Agreement. 
 11. Severability. In the event that any provision hereof becomes or is declared by a
court of competent jurisdiction to be illegal, unenforceable or void, this Agreement shall continue in full force and effect without said provision; provided, however, that with respect to the term of the noncompetition and nonsolicitation covenants
set forth above, the parties agree and intend to enforce said covenants for the maximum time permitted by law. 
 12. Entire
Agreement. This Agreement, along with those provisions of the Employment Agreement which are specifically stated to or by their terms survive the termination of the Employee’s employment thereunder (but only to the extent such obligations
are not duplicative with the obligations set forth under this Agreement), represents the entire agreement and understanding between the Company and Employee concerning Employee’s separation from the Company, and supersede and replace any and
all prior agreements and understandings concerning Employee’s relationship with the Company and her compensation by the Company. 
  

 10 

 13. Amendment. This Agreement may only be amended in writing signed by Employee and the Company.

 14. Binding Effect. This Agreement shall be fully effective and binding upon all parties hereto immediately upon execution of this
Agreement, except as to rights or claims arising under the ADEA, in which case Employee has seven (7) days following the execution of this Agreement to change her mind (solely with respect to such rights and claims) by giving written notice
thereof as herein stated. This Agreement shall be void and of no effect if the Merger Agreement is terminated in accordance with its terms. 
 15. Governing Law. This Agreement shall be governed by and construed in accordance with the laws of the State of Delaware. 
 16. Counterparts. This Agreement may be executed in counterparts, and each counterpart shall have the same force and effect as an original and shall constitute an effective, binding agreement on the part of each of the undersigned.

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

			
	EXCEL TECHNOLOGY, INC.
		
	By:	 	 /s/ Steven Georgiev

	Name:	 	Steven Georgiev
	Title:	 	Chairman of the Compensation
		 	Committee of the Board of Directors
	
	 /s/ Alice Varisano

	Alice Varisano

  

 11 

 EXHIBIT A * 
  

					
	 Severance Payment
	  	$	 – 0 – 	**
	 Covenant Not to Compete Payment
	  	 	550,000	**
	 Change of Control Payment
	  	 	1,200,327	 

  

	*	All listed payments are gross amounts, and shall be subject to Withholding Taxes, calculated as follows: Federal income taxes: 35%; New York State income taxes: 7.35%; Company
Medicare: 1.45%; Employee Medicare: 1.45%; Excise Tax (if applicable): 20% 

	**	Amount subject to adjustment pursuant to Section 3 of this Agreement.

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