Document:

Amendment to the Tax Sharing Agreement

 Exhibit 10.4 
 AMENDMENT TO THE TAX SHARING AGREEMENT 
 This Amendment, executed July 8, 2008 and effective as of
July 28, 2006 (this “Amendment”), to the Tax Sharing Agreement, entered into as of July 28, 2006 (as may be amended from time to time, the “Agreement”), by and between Avis Budget Group,
Inc., a Delaware corporation, formerly known as Cendant Corporation (“Cendant”), Realogy Corporation, a Delaware corporation (“Realogy”), Wyndham Worldwide Corporation, a Delaware corporation
(“Wyndham”) and Travelport Inc., a Delaware corporation (“Travelport”). Capitalized terms used but not defined herein shall have the meanings ascribed to them in the Agreement. 
 WHEREAS, Section 13.6 of the Agreement provides that no amendment to the Agreement shall be effective unless it shall be in writing and
signed by each Party to the Agreement; 
 WHEREAS, Section 1.3(c)(ii) of the Agreement provides that if a Travelport Sale occurs,
any and all rights and obligations of and to Travelport pursuant to the Agreement will be terminated and deemed null and void and be of no further force or effect; 
 WHEREAS, Travelport was sold to TDS Investor Corporation, formerly known as TDS Investor LLC, pursuant to the Purchase Agreement, dated as of June 30, 2006, as amended on August 23, 2006, between
Cendant and Travelport, on the one hand, and TDS Investor Corporation, on the other hand; and 
 WHEREAS, Cendant, Realogy and Wyndham
(together, the “Parties”) wish to amend the Agreement as provided in this Amendment. 
 NOW, THEREFORE, in consideration of
the mutual premises and covenants set forth herein and for other good and valuable consideration, the receipt and adequacy of which are hereby acknowledged, and intending to be legally bound, the Parties hereby agree as follows: 
 1. Amendment to Section 1.1. Section 1.1 of the Agreement is hereby amended by adding the following defined term after subsection (11).

 “(11A) “Assume” has the meaning set forth in Section 3.1.” 
 2. Amendment to Section 1.1. Section 1.1 of the Agreement is hereby amended by adding the following defined term after subsection (12).

 “(12A) “Avis Australia” means Avis Management Pty. Ltd.” 
 3. Amendment to Section 1.1(15) (definition of “CCRG Audit Sharing Percentage”). Section 1.1(15) of the Agreement is hereby
amended as follows: 
 (a) Delete “and” at the end of subsection (i)(II). 
 (b) Add “and” at the end of subsection (i)(III). 
 (c) Add new subsection (i)(IV) which shall state “the aggregate amount of disallowed deduction, loss or credit directly attributable
to any (x) election by or on behalf of Avis Australia and any Subsidiary thereof that is engaged in the Vehicle Rental Business to claim accelerated depreciation for Australian Income Tax purposes or (y) any Refund received by Cendant
pursuant to Section 4.1(e).” 
 4. Amendment to Section 1(16) (definition of “CCRG Entities”).
Section 1.1(16) is hereby amended as follows: 
 (a) Delete “.” at the end of such definition. 
 (b) Add “and Avis Australia and its Subsidiaries that are engaged in the Vehicle Rental Business, provided, however,
that solely for purposes of Income Taxes for the taxable years ended December 31, 2005 and December 31, 2006, Avis Australia and such Subsidiaries shall not be treated as CCRG Entities.” 
  

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 5. Amendment to Section 1.1(31) (definition of “Cendant Shared Entities”).
Section 1.1(31) of the Agreement is hereby amended as follows: 
 (a) Delete “and” at the end of subsection
(iii). 
 (b) Delete “.” at the end of subsection (iv) and insert “; and” 
 (c) Add subsection (v), which shall state “Avis Australia and its Subsidiaries that are engaged in the Vehicle Rental Business,
provided, however, that Avis Australia and such Subsidiaries shall be treated as Cendant Shared Entities solely for purposes of Income Taxes for the taxable years ended December 31, 2005 and December 31, 2006.”

 6. Amendment to Section 1.1. Section 1.1 of the Agreement is hereby amended by adding the following defined terms after
subsection (45). 
 “(45A) “Excess 2006 Avis Australia Income Tax Refund” shall mean, with respect to
the taxable year ended December 31, 2006 of Avis Australia and its Subsidiaries that are engaged in the Vehicle Rental Business, the excess, if any, of (i) the amount of the Refund for Income Taxes received by Avis Australia and such
Subsidiaries for such taxable year over (ii) the amount of the Refund for Income Taxes, if any, that hypothetically would have been received by Avis Australia and such Subsidiaries for such taxable year assuming (x) that Avis Australia and
such Subsidiaries did not elect to claim accelerated depreciation for Australian Income Tax purposes for such year and (y) the same facts and using the same methods, rate(s), elections (other than the election to claim accelerated
depreciation), conventions and practices used in determining the actual Income Tax liability of Avis Australia and such Subsidiaries and the amount of such Refund for such Income Taxes for such taxable year set forth in clause (i) of this
definition. 
 7. Amendment to Section 1.1(98). Section 1.1(98) (definition of “Pre-2007 Shared Entity Audit Other
Adjustments”) of the Agreement is hereby amended as follows: 
 (a) Delete subsection (i), and 
 (b) Add new subsection (i) which shall state: 
 “the aggregate amount of income and gain set forth in clause (i)(I), the aggregate amount of disallowed deduction, loss or credit (and increased income and gain) set forth in clause (i)(II), the aggregate amount
of income and gain (and disallowed deduction, loss or credit) set forth in clause (i)(III), and the aggregate amount of disallowed deduction, loss or credit set forth in clause (i)(IV), of the definition of the defined term “CCRG Audit Sharing
Percentage” 
 8. Amendment to Section 1.1(99). Section 1.1(99) (definition of “Pre-2007 Shared Entity Audit Tax
Amount”) of the Agreement is hereby amended by adding the following sentence at the end of such definition: 
 “For the avoidance of
doubt, Pre-2007 Shared Entity Audit Tax Amount shall include any additional amount of Tax required to be paid (including the disallowance of a Refund) resulting from the disallowance of any deduction, loss or credit directly attributable to any
election by or on behalf of Avis Australia and any Subsidiary thereof that is engaged in the Vehicle Rental Business to claim accelerated depreciation for Australian Income Tax purposes.” 
 9. Amendment to Section 2.1. The second sentence of Section 2.1(a)(i) is hereby replaced and amended in its entirety with the following:

 “Such Pre-2007 Cendant Shared Entity Tax Returns shall be prepared in a manner consistent with the past practice of
each Cendant Shared Entity unless otherwise required by applicable Law, provided, however, that Cendant shall be permitted to file Income Tax Returns for Avis Australia and its Subsidiaries that are engaged in the Vehicle Rental
Business for taxable year ended December 31, 2006 claiming accelerated depreciation.” 
 10. Amendment to Section 3.1.
Section 3.1(a) of the Agreement is hereby amended by replacing the words “be liable for” with “accept, assume (or, as applicable, retain) and perform, discharge and fulfill, in accordance with their respective terms
(“Assume”)”. 
 11. Amendment to Section 3.2. Section 3.2(a) of the Agreement is hereby amended by
replacing the words “be liable for” with the word “Assume”. 
  

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 12. Amendment to Section 3.3. Section 3.3(a) of the Agreement is hereby amended by
replacing the words “be liable for” with the word “Assume”. 
 13. Amendment to Section 4.1. Section 4.1
of the Agreement is hereby amended by adding new subsection (e): 
 “(e) Notwithstanding anything to the contrary in this
Section 4.1, Cendant shall be entitled to all Refunds for Income Taxes (i) received by Avis Australia and/or its Subsidiaries that are engaged in the Vehicle Rental Business, as applicable, for the taxable year ended December 31, 2006
in an amount not to exceed the Excess 2006 Avis Australia Income Tax Refund of Avis Australia and such Subsidiaries for such taxable year and (ii) of back-up withholding tax withheld during 2004 with respect to that certain Smith Barney account
number 309-13355-17 051 of Gulf Insurance Company, in an amount not to exceed $485,824.81. 
 14. Amendment to Section 6.1.
Section 6.1 of the Agreement is hereby amended by: 
 (a) adding to Section 6.1 immediately before the words “Cendant shall and
shall cause its Subsidiaries” the following: 
 “In the event that Cendant has not directly paid to the relevant Taxing Authorities
the liabilities it has Assumed under this Agreement, then, to the extent such liabilities were paid by Realogy or Wyndham (or any of their Affiliates), as applicable,”; and 
 (b) replacing the text in Section 6.1(a) in its entirety with the following: 
 “all such liabilities Assumed by Cendant and for which Cendant is accordingly responsible under this Agreement; and” 
 15. Amendment to Section 6.2. Section 6.2 of the Agreement is hereby amended by: 
 (a) adding to Section 6.2 immediately before the words “Realogy shall and shall cause its Subsidiaries” the following: 
 “In the event that Realogy has not directly paid to the relevant Taxing Authorities the liabilities it has Assumed under this Agreement, then, to the
extent such liabilities were paid by Cendant or Wyndham (or any of their Affiliates), as applicable,”; and 
 (b) replacing the text in
Section 6.2(a) in its entirety with the following: 
 “all such liabilities Assumed by Realogy and for which Realogy is accordingly
responsible under this Agreement; and” 
 16. Amendment to Section 6.3. Section 6.3 of the Agreement is hereby amended
by: 
 (a) adding to Section 6.3 immediately before the words “Wyndham shall and shall cause its Subsidiaries” the following:

 “In the event that Wyndham has not directly paid to the relevant Taxing Authorities the liabilities it has Assumed under this
Agreement, then, to the extent such liabilities were paid by Cendant or Realogy (or any of their Affiliates), as applicable,”; and 
 (b)
replacing the text in Section 6.3(a) in its entirety with the following: 
 “all such liabilities Assumed by Wyndham and for which
Wyndham is accordingly responsible under this Agreement; and” 
 17. Amendment to Section 7.2. Section 7.2(a) of the
Agreement is hereby amended by replacing the text thereof in its entirety with the following: 
 Section 7.2 Treatment of payments made
pursuant to Tax Sharing Agreement. 
  

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 (a) General. Unless otherwise required by a Final Determination, for U.S. federal
income Tax purposes: 
 (i) Payments made by Cendant, Realogy and Wyndham. In accordance with Revenue Ruling 95-74,
1995-2, C.B. 36, payments made by Cendant, Realogy or Wyndham for or in respect of liabilities Assumed pursuant to this Agreement that, but for such Assumption by Cendant, Realogy or Wyndham, as the case may be, would have been deductible under
Section 162 of the Code (and applicable provisions of state and local Law) or capitalized under Section 263 of the Code (and applicable provisions of state and local Law) or otherwise, as the case may be, by the original obligor pursuant
to applicable principles of Tax Law, shall be treated for Tax purposes as payments actually made by Cendant, Realogy or Wyndham, as applicable, to Taxing Authorities that are deductible to Cendant, Realogy or Wyndham, as applicable, under
Section 162(a) of the Code (and applicable provisions of state and local Law) or capitalized under Section 263 of the Code or otherwise, as the case may be; and 
 (ii) Indemnification payments. Pursuant to the relation back principle of Revenue Ruling 83-73, 1983-1, C.B. 84, indemnification
payments made pursuant to this Agreement by: 
  

	 	(I)	a Spinco Party to Cendant shall be treated for Tax purposes as having been made by the Spinco Party to Cendant immediately before the applicable Distribution;

  

	 	(II)	Cendant to any of the Spinco Parties shall be treated for Tax purposes as having been made by Cendant to the Spinco Party immediately before the applicable Distribution;

  

	 	(III)	a Spinco Party to another Spinco Party shall be treated for Tax purposes as having been made by the relevant Spinco Party to Cendant, and by Cendant to the other Spinco Party,
immediately before the applicable Distribution. 

 In each case, none of the Parties shall take any position inconsistent with
such treatment, except to the extent that Cendant, Realogy or Wyndham, as the case may be, is required to treat such payment differently as a result of a Final Determination. In the event a Taxing Authority asserts that a Party’s treatment of a
payment pursuant to this Agreement should be other than as required pursuant to this Agreement (ignoring any potential inconsistent or adverse Final Determination), such Party shall use its reasonable best efforts to contest such challenge.

 18. Amendment to Section 8.8. Section 8.8(a) of the Agreement is hereby amended by: 
 (a) adding to Section 8.8(a)(i) immediately after the words “Cendant shall” the following: 
 “Assume,” 
 (b)
adding to Section 8.8(a)(ii) immediately after the words “Realogy shall” the following: 
 “Assume,” and 

(c) adding to Section 8.8(a)(iii) immediately after the words “Wyndham shall” the following: 
 “Assume,”. 
 19. Amendment to
Section 8.9. Section 8.9(a) of the Agreement is hereby amended by replacing the first sentence thereof (up to subsection (i)) with the following: 
 “(a) In connection with any Final Determination that occurs after the date hereof in respect of a Pre-2007 Shared Entity Audit other
than a Final Determination (x) in respect of any federal Income Tax audit of the affiliated group of which Cendant was the common parent for all taxable years through December 31, 2002 (the “Ongoing Federal Income Tax Audits”),
(y) as to the correlative state Income Tax consequences that follow from any Final Determination with respect to such Ongoing Federal Income Tax Audits (the “Ongoing State Income Tax Audits”) or (z) attributable to the 2003
reorganization of Cendant’s time share business but only to the extent that the Final Determination described in this clause (z) results in the utilization of a foreign Income Tax credit (such Final Determination, after elimination of the
Final 

  

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Determinations described in clauses (x), (y), and (z) a “Section 8.9 Final Determination”), which Section 8.9 Final Determination
results, in the utilization of a net operating loss carryover or Credit Carryover as a result of an increase of items of taxable income or gain of (or the disallowance of items of deduction, loss or credit with respect to) a Shared Entity relating
to a Pre-2007 Shared Entity Tax Return, then, with respect to each Applicable Tax Benefit Party, subject to Section 8.10 (relating to the establishment of Caps and Incremental Costs):” 
 20. Amendment to Section 8.13. Section 8.13 of the Agreement is hereby amended by: 
 (a) replacing the word “Indemnity” in the heading with the word “Payment”; 
 (b) adding to Section 8.13(a) immediately after the words “Realogy shall” the following: 
 “Assume, be liable for and shall”; and 
 (c) adding to Section 8.13(b) immediately after the words “Wyndham shall” the following: 
 “Assume, be liable for and shall”. 
 21. Schedule B. On Schedule B, the line item setting forth the amount of
Various State Tax Exposures for Income Tax of Realogy for 1994 – 2005 shall be amended to read 1,666,439 (instead of 1,400,253) and the line item setting forth the amount of Various State Tax Exposures for Income Tax for Wyndham for 1992 –
2005 shall be amended to read 2,639,868 (instead of 4,502,501). In addition, the schedule entitled “Proposed Amendment to Schedule B—Various State Tax Exposures” attached to this Amendment shall be attached as page 2 to Schedule B of
the Tax Sharing Agreement. 
 22. Governing Law. This Amendment shall be governed by and construed in accordance with the internal
Laws, and not the Laws governing conflicts of Laws (other than Sections 5-1401 and 5-1402 of the New York General Obligations Law), of the State of New York. 
 23. Miscellaneous. 
 (a) Except as expressly amended and supplemented hereby, the
Agreement remains in full force and effect. 
 (b) This Amendment may be executed by the Parties in multiple counterparts
which may be delivered by facsimile transmission. Each counterpart when so executed and delivered shall be deemed an original, and all such counterparts taken together shall constitute one and the same instrument. 
  

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 IN WITNESS WHEREOF, each Party has caused this Amendment to the Agreement to be duly executed on its
behalf by an authorized officer as of the date first above written. 
  

					
	AVIS BUDGET GROUP, INC.
		
	By:	 	/s/ David B. Wyshner
	Name:	 	David B. Wyshner
	Title:	 	 Executive Vice President and
 Chief Financial
Officer

	
	REALOGY CORPORATION
		
	By:	 	 
	Name:	 	Anthony E. Hull
	Title:	 	 Executive Vice President,
 Chief Financial
Officer and Treasurer

	
	WYNDHAM WORLDWIDE CORPORATION
		
	By:	 	 
	Name:	 	Virginia Wilson
	Title:	 	 Executive Vice President and
 Chief Financial
Officer

  

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 IN WITNESS WHEREOF, each Party has caused this Amendment to the Agreement to be duly executed on its
behalf by an authorized officer as of the date first above written. 
  

					
	AVIS BUDGET GROUP, INC.
		
	By:	 	 
	Name:	 	David B. Wyshner
	Title:	 	 Executive Vice President and
 Chief Financial
Officer

	
	REALOGY CORPORATION
		
	By:	 	/s/ Anthony E. Hull
	Name:	 	Anthony E. Hull
	Title:	 	 Executive Vice President,
 Chief Financial
Officer and Treasurer

	
	WYNDHAM WORLDWIDE CORPORATION
		
	By:	 	 
	Name:	 	Virginia Wilson
	Title:	 	 Executive Vice President and
 Chief Financial
Officer

  

 60 

 IN WITNESS WHEREOF, each Party has caused this Amendment to the Agreement to be duly executed on its
behalf by an authorized officer as of the date first above written. 
  

					
	AVIS BUDGET GROUP, INC.
		
	By:	 	 
	Name:	 	David B. Wyshner
	Title:	 	 Executive Vice President and
 Chief Financial
Officer

	
	REALOGY CORPORATION
		
	By:	 	 
	Name:	 	Anthony E. Hull
	Title:	 	 Executive Vice President,
 Chief Financial
Officer and Treasurer

	
	WYNDHAM WORLDWIDE CORPORATION
		
	By:	 	/s/ Virginia Wilson
	Name:	 	Virginia Wilson
	Title:	 	 Executive Vice President and
 Chief Financial
Officer

  

 61Consulting Agreement

 Exhibit 10.1 
 CONSULTING AGREEMENT 
 This Consulting Agreement, dated as of July 30, 2008 (“Agreement”), is by and
between Parametric Technology Corporation, a Massachusetts corporation having its principal business address at 140 Kendrick Street, Needham, MA 02494 (“PTC”), and Michael E. Porter, having a business address at Harvard Business
School, Soldier’s Field Road, Ludcke House, Boston, MA 02163 (“Consultant”). 
 ARTICLE 1 
 SERVICES TO BE PERFORMED BY CONSULTANT 
 1.1 Services. Consultant is engaged to provide the following consulting services (the “Services”) to PTC in connection with strategic initiatives with respect to PTC’s business and its products: 
 (a) Strategic Planning Services. Strategic planning sessions with PTC executives, with such sessions to be on a periodic basis as mutually agreed
from time to time. 
 (b) Executive Management Seminars. Consultant will assist PTC in the development of and participate in executive
management seminars sponsored by PTC as mutually agreed from time to time. 
 1.2 Oversight. PTC and Consultant will mutually
determine the methods and means Consultant will use to perform the services to be carried out for PTC. 
 ARTICLE 2 
 COMPENSATION AND EXPENSES 
 2.1
Compensation. 
 (a) Strategic Planning Services. For the strategic planning Services described in Section 1.1(a) above, PTC
shall issue to Consultant a one-time grant of PTC’s common stock, $.01 par value per share, as an award of restricted stock pursuant to PTC’s 2000 Equity Incentive Plan in an amount equal to $40,000 on date of grant (based on the closing
price of PTC’s common stock on such date, the “Shares”), the restrictions on which shall lapse in their entirety on the one year anniversary of the grant date or as otherwise set forth in the form of Restricted Stock Agreement
attached hereto as Appendix A. 
 (b) Executive Management Seminars. For executive management seminars in which Consultant
assists in the development of and participates in from time to time after the date of this Agreement, PTC shall pay Consultant a fee of $15,000 for each such executive management seminar. 
 (c) Taxes; No Withholding. Consultant shall have sole responsibility for payment of all federal, state and local taxes or contributions imposed or
required under unemployment insurance, social security and income tax laws and for filing all required tax forms with respect to any amounts paid by PTC to Consultant hereunder. 
 (d) No Warranty. PTC makes no representation, warranty or covenant with respect to the performance of PTC’s common stock or the Shares.
Consultant understands, acknowledges and agrees that the Shares, which constitute the only compensation payable hereunder for strategic planning Services as described in Section 1.1(a), may not increase in value and may decrease in value and
may be worth less than $40,000 on the date the restrictions on the Shares lapse. 
 2.2 Expenses. PTC shall reimburse Consultant for
all reasonable, out-of-pocket expenses incurred by Consultant in connection with the performance of the services hereunder by providing PTC with a written request for reimbursement accompanied by such written documentation as may be reasonably
requested by PTC to support the amount and validity of such expense. 

 ARTICLE 3 
 INDEPENDENT CONTRACTOR STATUS 
 It is the intention of the parties that Consultant be an independent
contractor and not an employee, agent, joint venturer, or partner of PTC. Nothing in this Agreement shall be interpreted or construed as creating or establishing the relationship of employer and employee between PTC and either Consultant or any
employee or agent of Consultant. Consultant shall retain the right to perform work for others during the terms of this Agreement, provided such work does not otherwise violate the provisions of Article 5 of this Agreement. PTC shall retain the
right to cause work of the same or a different kind to be performed by its own personnel or other contractors during the term of this Agreement. 
 ARTICLE 4 
 CONFIDENTIALITY AND INTELLECTUAL PROPERTY RIGHTS 
 4.1 Confidentiality. Consultant shall maintain in strict confidence, and shall use and disclose only as authorized by PTC, all information of a
competitively sensitive or proprietary nature that he receives in connection with the work performed for PTC hereunder. Consultant agrees that, by its nature, the services to be performed hereunder, and any information gathered or compiled in
connection therewith, is of a competitively sensitive nature which must be maintained in the strictest of confidence. These restrictions shall not be construed to apply to (1) information generally available to the public; (2) information
released by PTC generally without restriction; (3) information independently developed or acquired by Consultant without reliance in any way on other protected information of PTC; or (4) information approved in advance in writing for the
use and disclosure of Consultant without restriction. Notwithstanding the foregoing restrictions, Consultant may use and disclose any information (a) to the extent required by an order of any court or other governmental authority or (b) as
necessary for him to protect his interest in this Agreement, but in each case only after PTC has been so notified in advance in writing and has had the opportunity, if possible, to obtain reasonable protection for such information in connection with
such disclosure. 
 4.2 Ownership of Work Product. Consultant hereby assigns to the Company, for no additional consideration, all
Consultant’s rights, including copyrights, in all deliverables and other works prepared by Consultant under this Agreement. Consultant shall, and shall cause his agents to, promptly sign and deliver any documents and take any actions that the
Company reasonably requests to establish and perfect the rights assigned to the Company under this Section 4.2. 
 ARTICLE 5

 TERM AND TERMINATION 
 5.1 Term. This Agreement will remain in full force and effect until the earlier of (a) August 1, 2009 or (b) the date the Agreement is terminated in accordance with the provisions of Section 5.2 hereof.

 5.2 Termination of Agreement. 
 (a) By Consultant. Consultant may terminate this Agreement at any time upon thirty (30) days’ advance written notice to PTC. 
 (b) By PTC without Cause. PTC may terminate this Agreement without Cause (as defined in Section 5.2(c) below) effective immediately at any time upon written notice to Consultant. 
 (c) By PTC for Cause. PTC may terminate this Agreement for Cause (as defined below), effective immediately upon written notice to Consultant that,
in the good faith judgment of the Board, (1) an 

  

 2 

 
event constituting Cause has occurred, and (2) either Consultant had a reasonable opportunity to take remedial action but failed or refused to do so, or
an opportunity to take remedial action would not have been meaningful or appropriate under the circumstances. “Cause” means (i) Consultant shall have willfully committed an act of dishonesty or breach of trust, or willfully acted in a
manner which is inimical or injurious to the business or interest of PTC, (ii) Consultant shall have willfully violated or breached any of the provisions of this Agreement and such violation or breach resulted in demonstrable injury to PTC and
was not remedied within thirty (30) days of receipt of written notice of such violation or breach, if remediable, (iii) Consultant’s act or omission to act has resulted in or was intended to result in gain to or personal enrichment of
Consultant at PTC’s expense, or (iv) Consultant shall have been convicted of a felony or any crime involving larceny, embezzlement or moral turpitude. 
 5.3 Effect of Termination. 
 (a) Services. Upon termination of this Agreement, Consultant
shall be relieved of performing the Services set forth in Section 1.1, except for such seminars under Section 1.1(b) as have been scheduled prior to the termination date. 
 (b) Shares. If this Agreement is terminated by Consultant pursuant to Section 5.2(a) or by PTC pursuant to Section 5.2(c), all
Shares upon which the restrictions have not yet lapsed by the date of such termination shall be forfeited and returned to PTC in accordance with the terms of the Restricted Stock Agreement. If this Agreement is terminated by PTC pursuant to
Section 5.2(b), the restrictions on the Shares shall automatically lapse in accordance with the terms of the Restricted Stock Agreement. 
 5.4 Survival. In the event of any termination of this Agreement, Articles 4 and 6 hereof shall survive and continue in effect. 
 ARTICLE 6 
 GENERAL PROVISIONS 
 6.1 Notices. Any notices to be given hereunder by either party to the other shall be delivered to the address set forth in the introductory
paragraph of this Agreement (and in the case of notice to the Company, shall be addressed to the General Counsel) and may be effected either by personal delivery in writing or by mail, registered or certified, postage prepaid with return receipt
requested. Notices delivered personally will be deemed communicated as of actual receipt. Mailed notices will be deemed communicated as of two days after mailing. 
 6.2 Entire Agreement of the Parties; Supersedes All Prior Agreements. This Agreement supersedes the Amended and Restated Consulting Agreement dated July 28, 2005 by and between PTC and the Consultant,
which is hereby terminated and of no further force and effect, and any and all other agreements, either oral or written, between the parties hereto with respect to the rendering of services by Consultant for PTC and contains all the covenants and
agreements between the parties with respect to the rendering of such services in any manner whatsoever. 
 6.3 Partial Invalidity. If
any provision in this agreement is held by a court of competent jurisdiction to be invalid, void, or unenforceable, the remaining provisions will nevertheless continue in full force without being impaired or invalidated in any way. 
 6.4 Parties in Interest. This Agreement is enforceable only by Consultant and PTC. The terms of this Agreement are not a contract or assurance
regarding compensation, continued employment, or benefit 

  

 3 

 
of any kind to Consultant, or any beneficiary of Consultant, and neither Consultant, nor any such beneficiary thereof, shall be a third-party beneficiary
under or pursuant to the terms of this Agreement. 
 6.5 Governing Law. This Agreement will be governed by and construed in accordance
with the laws of The Commonwealth of Massachusetts. 
 6.6 Successors. This Agreement shall inure to the benefit of, and be binding
upon, Consultant and PTC, and their permitted successors and assigns. This Agreement, and the rights and obligations hereunder, may not be assigned, nor may the duties be delegated, by Consultant. PTC may assign this Agreement, and the rights and
obligations hereunder, and may delegate the duties, to any entity that controls, is controlled by, or is under common control with PTC, or to any purchaser or other transferee of all or substantially all of PTC’s assets or business. 

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

							
	CONSULTANT	 		 	PARAMETRIC TECHNOLOGY CORPORATION
				
	/s/ Michael E. Porter	 		 	By:	 	/s/ C. Richard Harrison
	Michael E. Porter	 		 	  
 Name:
	 	  
 C. Richard
Harrison

				
		 		 	Title:	 	Chief Executive Officer and President

  

 4 

 Appendix A 
 PARAMETRIC TECHNOLOGY CORPORATION 
 2000 Equity Incentive Plan 
 Restricted Stock Agreement 
  

			
	 	 
	    Grantee: Michael E. Porter	 	Date:
                    , 2008    
	 	 
	     Number of Shares of
Restricted Stock:                         
  
	 	 

 AGREEMENT dated as of the date set forth above between Parametric Technology Corporation, a
Massachusetts corporation (the “Company”), and the undersigned (the “Grantee”), pursuant to the Company’s 2000 Equity Incentive Plan (the “Plan”), receipt of a copy of which is hereby
acknowledged by the Grantee. Capitalized terms used and not otherwise defined in this Agreement have the meanings given to them in the Plan. 
 WHEREAS the Grantee is a consultant to the Company under a Consulting Agreement dated as of                     , 2008 by and between
Grantee and the Company (the “Consulting Agreement”) under which the Company has agreed to provide compensation in the form of shares of common stock of the Company to the Grantee for the performance of certain services under such
Consulting Agreement. 
 NOW, THEREFORE, in consideration of the premises, the parties hereto mutually covenant and agree as follows:

 1. Grant of Restricted Stock. Pursuant to the Plan and subject to the restrictions and the terms and conditions set forth therein,
which terms and conditions are incorporated herein by reference, and in this Agreement, the Company grants to the Grantee and the Grantee accepts the number of shares of Common Stock, $0.01 par value, of the Company set forth above (the
“Restricted Stock”). The term “Restricted Stock” shall include any additional shares of stock of the Company issued on account of the foregoing shares by reason of stock dividends, stock splits or recapitalizations
(whether by way of mergers, consolidations, combinations or exchanges of shares or the like). 
 2. Restrictions on Stock. 

 (a) Until the termination of restrictions as provided in Section 3 hereof, the Restricted Stock may not be sold, assigned,
transferred, pledged or otherwise encumbered except as provided in this Agreement. 
 (b) No rights or interests of the Grantee under this
Agreement or under the Plan may be assigned, encumbered or transferred other than (i) to the extent permitted and in accordance with such procedures adopted by the Committee from time to time and (ii) by will or the laws of descent and
distribution. The naming of a Designated Beneficiary does not constitute a transfer. 

 (c) If the Consulting Agreement is terminated by the Grantee pursuant to Section 5.2(a) thereof or
by the Company pursuant to Section 5.2(c) thereof or if the Grantee dies or becomes disabled and is unable to perform the services under the Consulting Agreement, all shares of Restricted Stock that remain subject to the restrictions imposed
under this Section 2 shall be forfeited and returned to the Company upon such event unless the Board or the Committee in its discretion shall otherwise determine. 
 3. Termination of Restrictions. The restrictions on the shares of Restricted Stock shall lapse on the earlier of (a) [one year anniversary date] and (b) the date the Consulting Agreement is terminated
by the Company pursuant to Section 5.2(b) of the Consulting Agreement. 
 4. Rights as Stockholder. Except for the restrictions
and other limitations and conditions provided in this Agreement, the Grantee as owner of the Restricted Stock shall have all the rights of a stockholder, including but not limited to the right to receive all dividends paid on such Restricted Stock
and the right to vote such Restricted Stock. 
 5. Stock Certificates. Each certificate issued for shares of Restricted Stock shall be
registered in the name of the Grantee and deposited by the Grantee, together with a stock power endorsed in blank, with the Company and shall bear the following (or a similar) legend: 
 “The transferability of this certificate and the shares of stock represented hereby are subject to the terms, conditions and restrictions (including
forfeiture) contained in a Plan and an Agreement between the registered owner and Parametric Technology Corporation. A copy of such Plan and Agreement will be furnished to the holder of this certificate upon written request and without charge.”

 Upon the termination of the restrictions imposed under this Agreement as to any shares of Restricted Stock, the Company shall return to
the Grantee (or to such Grantee’s legal representative, beneficiary or heir) certificates, without a legend, for the shares of Common Stock deposited with it pursuant to this Section 5 as to which the restrictions have terminated.

 6. Tax Withholding. The Grantee shall pay to the Company, or make provision satisfactory to the Committee for payment of, any taxes
required by law to be withheld with respect to the Restricted Stock no later than the date of the event creating the tax liability. The Company and its Affiliates may, to the extent permitted by law, deduct any such tax obligations from any payment
of any kind due to the Grantee. In the Committee’s discretion, the minimum tax obligations required by law to be withheld with respect to the Restricted Stock may be paid in whole or in part in shares of Common Stock valued at their Fair Market
Value on the date of delivery. 
 7. Securities and Other Laws. It shall be a condition to the Grantee’s right to receive the
shares of Restricted Stock hereunder that the Company may, in its discretion, require (a) that the shares of Restricted Stock shall have been duly listed, upon official notice of issuance, upon any national securities exchange or automated quotation
system on which the Company’s Common Stock may then be listed or quoted, (b) that either (i) a registration statement under the Securities Act of 1933, as amended (the “Act”), with respect to the shares shall be in effect, or
(ii) in the opinion of counsel for the Company, the proposed issuance and delivery of the shares to the Grantee shall be exempt from registration under the Act and the Grantee shall have made such undertakings and agreements with the Company as the
Company may reasonably require, and (c) that such other steps, if any, as counsel for the Company shall consider necessary to comply with any law applicable to the issue of such shares by the Company shall have been taken by the Company or the
Grantee, or both. The certificates representing the shares of 

  

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Restricted Stock may contain such legends as counsel for the Company shall consider necessary to comply with any applicable law. 
 8. Adjustment in Provisions. In the event that there are any changes in the outstanding Common Stock of the Company by reason of stock dividend,
extraordinary cash dividend, recapitalization, reorganization, merger, consolidation, split-up, spin-off, combination, exchange of shares or other such transaction affecting the Company’s Common Stock, the divisions of shares of Restricted
Stock into parts, the provisions for termination of restrictions on parts of Restricted Stock, and any other relevant portions of this Agreement shall be appropriately adjusted by the Committee, if necessary, to reflect equitably such change or
changes. 
 9. Change in Control. In order to preserve Grantee’s rights under this Agreement in the event of a change in control
of the Company (as defined by the Committee), unless otherwise provided for in the vote granting such restricted stock, all restrictions remaining on any restricted stock (other than any restrictions the lapse of which is based on factors other than
continued service) granted to Non-Employee Directors under the Plan shall lapse without regard to any vesting criteria imposed pursuant to the Plan or any restricted stock agreement. The Committee in its discretion may at any time take one or more
of the following actions: (i) provide for the acceleration of any time period relating to the termination of restrictions set forth in Section 2 hereof, (ii) provide for payment to Grantee of cash or other property with a Fair Market
Value equal to the amount that would have been received upon the termination of restrictions set forth in Section 2 hereof had such restrictions terminated upon the change in control, provided such amount would not otherwise have been received
by Grantee because of the restrictions set forth in Section 2, (iii) adjust the terms of this Agreement in a manner determined by the Committee to reflect the change in control, (iv) cause the Agreement to be assumed, or new rights
substituted therefor, by another entity, or (v) make such other provision as the Committee may consider equitable to Grantee and in the best interests of the Company. 
 10. Notice of Election Under Section 83(b). If the Grantee makes an election under Section 83(b) of the Internal Revenue Code of 1986,
as amended, and the regulations and rulings promulgated thereunder, he or she will provide a copy thereof to the Company within thirty days of the filing of such election with the Internal Revenue Service. 
 11. Amendments. The Committee may amend, modify or terminate this Agreement, including substituting therefor another Award of the same or a
different type, provided that Grantee’s consent to such action shall be required, unless the Committee determines that the action, taking into account any related action, would not materially and adversely affect Grantee. 
 12. Consultancy. The Grantee shall not be deemed to have any rights to continued service as a consultant of the Company by virtue of the grant of
Restricted Stock. Neither the adoption, maintenance, nor operation of the Plan nor this Agreement shall confer upon the Grantee any right with respect to the continuance of his consultancy with respect to the Company. 
 13. Decisions by Committee. Any dispute or disagreement that shall arise under, or as a result of, or pursuant to this Agreement shall be resolved
by the Committee in its absolute and sole discretion, and any such resolution or any other determination by the Committee under, or pursuant to, this Agreement and any interpretation by the Committee of the terms of this Agreement or the Plan shall
be final, binding, and conclusive on all persons affected thereby. 
 14. Notices. Any notice that either party hereto shall be
required or permitted to give to the other shall be in writing and may be delivered personally, by facsimile or by mail, postage prepaid, addressed as follows: to the Company at 140 Kendrick Street, Needham, Massachusetts 02494, 

  

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Attention: General Counsel, or at such other address as the Company by notice to the Grantee may designate in writing from time to time, and to the Grantee
at his address stated in the Consulting Agreement or at such other address as the Grantee, by notice to the General Counsel of the Company, may designate in writing from time to time. 
 15. Copies of the Plan. Copies of the Plan may be obtained by Grantee upon written request without charge from the General Counsel of the Company.

 IN WITNESS WHEREOF, the Company has caused this Agreement to be executed by its duly authorized officer, and the Grantee has hereunto set
his or her hand, all as of the day and year first above written. 
  

			
	PARAMETRIC TECHNOLOGY CORPORATION
		
	By:	 	 
		 	 Name:
  
 Title:

	
	GRANTEE
	
	 
	Michael E. Porter

  

 8

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