Change of Control Agreement - Gianna M. Bosko



  
 Exhibit 10.44

 CHANGE OF CONTROL AGREEMENT 
 This Change of Control Agreement (the “Agreement”) is made and entered into by and between GIANNA M. BOSKO (the “Executive”) and
XENOPORT, INC., a Delaware corporation (the “Company”), effective as of September 3, 2010. 
 RECITALS 
 It is expected that the Company from time to time may
consider the possibility of an acquisition by another company or other change of control. The Board of Directors of the Company (the “Board”) recognizes that such consideration can be a distraction to the Executive and can cause the
Executive to consider alternative employment opportunities. The Board has determined that it is in the best interests of the Company and its stockholders to assure that the Company will have the continued dedication and objectivity of the Executive,
notwithstanding the possibility, threat or occurrence of a Change of Control (as defined below) of the Company. 
 The Board
believes that it is in the best interests of the Company and its stockholders to provide the Executive with an incentive to continue her employment and to motivate the Executive to maximize the value of the Company upon a Change of Control for the
benefit of its stockholders. 
 Certain capitalized terms used in the Agreement are defined in Section 5 below. 

The parties hereto agree as follows: 
 1. Term of Agreement. This Agreement shall terminate upon the date that all obligations of the parties hereto with respect to this Agreement have been satisfied. 

2. At-Will Employment. The Company and the Executive acknowledge that the Executive’s employment is and shall continue to be at-will. If the
Executive’s employment terminates for any reason, including (without limitation) any termination prior to a Change of Control, the Executive shall not be entitled to any payments, benefits, damages, awards or compensation other than as provided
by this Agreement, or as may otherwise be available in accordance with written plans or agreements with the Company. 
 3. Termination
Following a Change of Control. 
 (a) Termination Without Cause or Voluntary Termination For Good Reason. In the
event that a Change of Control (as defined below) of the Company occurs, and during the period beginning on the closing date of the transaction giving rise to such Change of Control and ending twelve (12) months after such closing date, the
Executive’s employment with the Company (or the successor entity in such Change of Control transaction) is either (1) terminated by the Company (or its successor entity) without Cause (as defined below) or (2) terminated by the
Executive for Good Reason (as defined below), then the Executive shall be entitled to receive Termination Benefits (as defined below); provided, however, that in order for the Executive to terminate for Good Reason,
(i)

  
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the Executive must provide written notice to the Company (or the successor entity in the Change of Control transaction) of the existence of the Good Reason condition within ninety (90) days
following the initial existence of the Good Reason condition, and (ii) the Company (or the successor entity in the Change of Control transaction) shall not be required to provide Termination Benefits if it is able to remedy the Good Reason
condition within a period of thirty (30) days following such notice. 
 (b) Payment of Termination Benefits. If the
Executive becomes entitled to receive Termination Benefits pursuant to Section 3(a), the continued payments of base salary, to the extent of payments made from the date of the Executive’s termination of employment through March 15 of
the calendar year following such termination, are intended to constitute separate payments for purposes of Section 1.409A-2(b)(2) of the Treasury Regulations and thus payable pursuant to the “short-term deferral” rule set forth in
Section 1.409A-1(b)(4) of the Treasury Regulations; to the extent such payments are made following said March 15, they are intended to constitute separate payments for purposes of Section 1.409A-2(b)(2) of the Treasury Regulations
made upon an involuntary termination from service and payable pursuant to Section 1.409A-1(b)(9)(iii) of the Treasury Regulations, to the maximum extent permitted by such provision, with any excess amount being regarded as subject to the
distribution requirements of Section 409A(a)(2)(A) of the Internal Revenue Code of 1986, as amended (the “Code”), including, without limitation, the requirement of Section 409A(a)(2)(B)(i) of the Code that payment be
delayed until six (6) months after the Executive’s termination of employment if the Executive is a “specified employee” within the meaning of Section 409A(a)(2)(B)(i) of the Code at the time of such termination. 

4. Certain Additional Payments by the Company. 
 (a) If any payment or benefit the Executive would receive pursuant to a Change of Control from the Company or otherwise would (i) constitute a “parachute payment” within the meaning of
Section 280G of the Code (collectively, the “Payment”) and (ii) but for this sentence, be subject to the excise tax imposed by Section 4999 of the Code or any interest or penalties payable 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 reduced to an amount that results in no portion of the Payment being
subject to the Excise Tax, provided that such reduction would not result in a ten percent (10%) or greater reduction in the amount of the Payment. 
 If such reduction would result in a ten percent (10%) or greater reduction in the amount of the Payment, then there shall be no such reduction and the Executive shall be entitled to receive from the
Company an additional payment (a “Gross-Up Payment”) in an amount such that after payment by the Executive of all taxes (including, without limitation, any income and employment taxes and any interest and penalties imposed with
respect thereto resulting from any improper reporting by the Company for employment tax purposes) imposed upon the Gross-Up Payment, the Executive retains an amount of the Gross-Up Payment equal to the Excise Tax imposed upon the Payment;
provided, however, that the maximum amount of any such Gross-Up Payment shall be $3,000,000. 

  
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 (b) For purposes of
determining the amount of the Gross-Up Payment: (1) the Executive shall be deemed to have paid federal income taxes calculated at the lower rate between: (i) 35% (which represents the highest marginal rate of federal income taxation
applicable to ordinary income for the 2007 calendar year (the “2007 Federal Tax Rate”)); and (ii) the highest marginal rate of federal income taxation applicable to ordinary income then in effect for the calendar year in which
the Gross-Up Payment is to be made; (2) the Executive shall be deemed to have paid applicable state income taxes calculated at the lower rate between: (i) 10.3% (which represents the highest marginal rate of California state income
taxation applicable to ordinary income for the 2007 calendar year, net of the maximum reduction in federal income taxes that could be obtained from deduction of such state taxes in the 2007 calendar year (the “2007 State Tax
Rate”)); and (ii) the highest marginal rate of California state income taxation applicable to ordinary income for the calendar year in which the Gross-Up Payment is to be made, net of the maximum reduction in federal income taxes that
could be obtained from deduction of such state taxes; and (3) the Excise Tax rate shall be deemed to equal the lower rate between: (i) 20% (which represents the Excise Tax rate in effect for the 2007 calendar year (the “2007 Excise
Tax Rate”)); and (ii) the actual excise tax rate imposed by Section 4999 of the Code, or by comparable laws and regulations, then in effect for the calendar year in which the Gross-Up Payment is to be made. Any Gross-Up Payment
shall be paid to the Executive by the end of the calendar year following the calendar year in which the Executive remits the applicable taxes. 
 (c) In the event that: (1) the highest marginal rate of federal income taxation applicable to ordinary income then in effect for the Executive for the calendar year in which the Gross-Up Payment
could be made is higher than the 2007 Federal Tax Rate; (2) the highest marginal rate of California state income taxation for the Executive’s applicable state income taxes applicable to ordinary income for the calendar year in which the
Gross-Up Payment could be made is higher than the 2007 State Tax Rate; and/or (3) the actual excise tax rate imposed by Section 4999 of the Code, or by comparable laws and regulations then in effect, is higher than the 2007 Excise Tax
Rate, then the amount of the Gross-Up Payment shall be determined based upon the 2007 Federal Tax Rate, 2007 State Tax Rate and 2007 Excise Tax Rate as set forth in Section 4(b) unless the Board of Directors of the Company amends this Agreement
with the Executive pursuant to Section 8(b) to specifically provide that the amount of the Gross-Up Payment shall be determined for purposes of this Agreement based upon rates higher than the 2007 Federal Tax Rate, 2007 State Tax Rate and/or
2007 Excise Tax Rate. In the event that the Board of Directors of the Company elects to amend this Agreement as set forth in this Section 4(c), the Company shall deliver an amendment to this Agreement to the Executive for review and execution
no later than twenty (20) calendar days after the date on which the Executive’s right to a Payment is triggered (if requested at that time by the Company or the Executive). 

(d) Any reduction of the Payment provided for in this Section 4 shall occur in the following order unless the Executive elects in
writing a different order (provided, however, that such election shall be subject to Company approval if made on or after the date on which the event that triggers the Payment occurs): (i) reduction of cash payments; (ii) cancellation of
accelerated vesting of Stock Rights; and (iii) reduction of employee benefits. In the event that acceleration of vesting of 

  
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Stock Rights compensation is to be reduced, such acceleration of vesting shall be cancelled in the reverse order of the date of grant of the Executive’s Stock Rights unless the Executive
elects in writing a different order for cancellation. 
 (e) The accounting firm engaged by the Company for general audit
purposes as of the day prior to the effective date of the Change of Control shall perform the foregoing calculations. If the accounting firm so engaged by the Company is serving as accountant or auditor for the individual, entity or group effecting
the Change of Control, the Company shall appoint a nationally recognized accounting firm to make the determinations required hereunder. The Company shall bear all expenses with respect to the determinations by such accounting firm required to be
made hereunder. The accounting firm engaged to make the determinations hereunder shall provide its calculations, together with detailed supporting documentation, to the Company and the Executive within fifteen (15) calendar days after the date
on which the Executive’s right to a Payment is triggered (if requested at that time by the Company or the Executive) or such other time as requested by the Company or the Executive. If the accounting firm determines that no Excise Tax is
payable with respect to a Payment, it shall furnish the Company and the Executive with an opinion reasonably acceptable to the Executive that no Excise Tax will be imposed with respect to such Payment. Any good faith determinations of the accounting
firm made hereunder shall be final, binding and conclusive upon the Company and the Executive. 
 5. Definition of Terms. The following
terms referred to in this Agreement shall have the following meanings: 
 “Cause” shall mean either:
(i) any act of personal dishonesty taken by the Executive in connection with her responsibilities as an Executive and intended to result in substantial personal enrichment of the Executive; (ii) the conviction of a felony; (iii) a
willful act by the Executive that constitutes gross misconduct and that is injurious to the Company; or (iv) following delivery to the Executive of a written demand for performance from the Company that describes the basis for the
Company’s belief that the Executive has not substantially performed her duties, continued violations by the Executive of the Executive’s obligations to the Company that are demonstrably willful and deliberate on the Executive’s part.

 “Change of Control” means the completion by the Company of a reorganization, merger or consolidation, in
each case with respect to which persons who were the stockholders of the Company immediately prior to such reorganization, merger or consolidation would not immediately thereafter own more than 50% of, respectively, the capital stock and the
combined voting power entitled to vote generally in the election of directors of the reorganized, merged or consolidated corporation’s then-outstanding voting securities, or of a liquidation or dissolution of the Company or of the sale of all
or substantially all of the assets of the Company. For purposes hereof, such Change of Control shall be deemed to have occurred on the date on which the transaction closes. 

  
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 “Good
Reason” shall mean any of the following conditions arising without the Executive’s express written consent: 
 (i)
an assignment to the Executive of material duties or a material reduction of the Executive’s duties, either of which results in a significant diminution in the Executive’s position or responsibilities in effect immediately prior to the
closing date of the Change of Control transaction, or the removal of the Executive from such position and responsibilities; 

(ii) a material reduction by the Company (or the successor entity in the Change of Control transaction) in the base compensation of the
Executive as in effect immediately prior to such reduction; or 
 (iii) a relocation of the Executive’s principal place of
employment to a facility or a location more than 40 miles from the Executive’s then present location. 
 “Stock
Rights” shall mean all of the Executive’s options, restricted stock, restricted stock units, performance stock units or rights to acquire vested ownership of shares of Common Stock of the Company under plans, agreements or arrangements
that are compensatory in nature, including, without limitation, the Company’s 1999 Stock Plan, the Company’s 2005 Equity Incentive Plan, the Company’s 2010 Inducement Award Plan and Restricted Stock Purchase Agreements between the
Company and the Executive. 
 “Termination Benefits” shall mean (1) all unvested Stock Rights (as defined
above) shall become fully vested as of the effective date of such termination of employment described in Section 3(a), and (2) the Executive shall continue to receive for a period of twelve (12) months following the effective date of
such termination of employment described in Section 3(a) continued payment of the greater of the Executive’s base salary in effect immediately prior to (i) such termination or (ii) the closing date of the transaction giving rise
to a Change of Control. In addition, the Executive shall have the right to continue her health insurance benefits pursuant to the Consolidated Omnibus Budget Reconciliation Act of 1985 (“COBRA”) and any analogous provisions of
applicable state law. Should the Executive so elect, the Company shall reimburse the Executive for twelve (12) months of such health care coverage following the effective date of such termination of employment described in Section 3(a).

 6. Successors. 
 (a) Company’s Successors. Any successor to the Company (whether direct or indirect and whether by purchase, merger, consolidation, liquidation or otherwise) to all or substantially all of the
Company’s business and/or assets shall assume the obligations under this Agreement and agree expressly to perform the obligations under this Agreement in the same manner and to the same extent as the Company would be required to perform such
obligations in the absence of a succession. For all purposes under this Agreement, the term “Company” shall include any successor to the Company’s business and/or assets that executes and delivers the assumption agreement described in
this Section 6(a) or that becomes bound by the terms of this Agreement by operation of law. 

  
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 (b)
Executive’s Successors. The terms of this Agreement and all rights of the Executive hereunder shall inure to the benefit of, and be enforceable by, the Executive’s personal or legal representatives, executors, administrators,
successors, heirs, distributees, devisees and legatees. 
 7. Notice. 

(a) General. Notices and all other communications contemplated by this Agreement shall be in writing and shall be deemed to have
been duly given when personally delivered or when mailed by U.S. registered or certified mail, return receipt requested and postage prepaid. In the case of the Executive, mailed notices shall be addressed to the Executive at her home address most
recently communicated to the Company in writing. In the case of the Company, mailed notices shall be addressed to its corporate headquarters, and all notices shall be directed to the attention of its Secretary. 

(b) Notice of Termination. Any termination by the Company for Cause or by the Executive as a result of a voluntary resignation
shall be communicated by a notice of termination to the other party hereto given in accordance with Section 7(a) of this Agreement. Such notice shall indicate the specific termination provision in this Agreement relied upon, shall set forth in
reasonable detail the facts and circumstances claimed to provide a basis for termination under the provision so indicated, and shall specify the termination date (which shall be not more than 30 days after the giving of such notice). 

8. Miscellaneous Provisions. 
 (a) No Duty to Mitigate. Except as set forth in Section 4, the Executive shall not be required to mitigate the amount of any payment contemplated by this Agreement, nor shall any such payment
be reduced by any earnings that the Executive may receive from any other source. 
 (b) Amendment; Waiver. No provision
of this Agreement shall be amended, modified, waived or discharged unless the amendment, modification, waiver or discharge is agreed to in writing and signed by the Executive and by an authorized officer of the Company (other than the Executive). No
waiver by either party of any breach of, or of compliance with, any condition or provision of this Agreement by the other party shall be considered a waiver of any other condition or provision or of the same condition or provision at another time.

 (c) Whole Agreement. No agreements, representations or understandings (whether oral or written and whether express or
implied) that are not expressly set forth in this Agreement have been made or entered into by either party with respect to the subject matter hereof. This Agreement represents the entire understanding of the parties hereto with respect to the
subject matter hereof and supersedes all prior arrangements and understandings regarding same, including that certain Change of Control Agreement, dated as of November 7, 2007, which the parties hereto agree is terminated in all respects
effective as of the date hereof, and the provisions set forth in Section 9 of that certain offer letter for Executive, dated July 26, 2005. 

  
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 (d) Choice of
Law. The validity, interpretation, construction and performance of this Agreement shall be governed by the laws of the State of California as applied to agreements entered into among California residents to be performed entirely within
California, without regard to conflict of laws rules. 
 (e) Severability. The invalidity or unenforceability of any
provision or provisions of this Agreement shall not affect the validity or enforceability of any other provision hereof, which shall remain in full force and effect. 
 (f) Counterparts. This Agreement may be executed in counterparts, each of which shall be deemed an original, but all of which together will constitute one and the same instrument. 

  
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 IN WITNESS WHEREOF,
each of the parties has executed this Agreement, in the case of the Company by its duly authorized officer, as of the day and year set forth below. 
  

					
	COMPANY:	 	XENOPORT, INC.
			
		 	By:	 	 /s/ Ronald W. Barrett

		 		 	Ronald W. Barrett, PhD
		 		 	Chief Executive Officer
		
	EXECUTIVE:	 	GIANNA M. BOSKO
			
		 		 	 /s/ Gianna M. Bosko

		 		 	Gianna M. Bosko
		 		 	Sr. VP, Chief Administrative Officer, General
Counsel & Secretary

 Signature Page to XenoPort, Inc. Change of Control Agreement