Document:

2000 EQUITY EXECUTIVE PLAN

 EXHIBIT 10.1 
  
 PARAMETRIC TECHNOLOGY CORPORATION 
  
 2000 EQUITY INCENTIVE PLAN 
  
 1. Purpose. 
  
 The purpose of the Parametric Technology Corporation 2000 Equity Incentive Plan (the “Plan”) is to attract and retain directors and key
employees and consultants of the Company and its Affiliates, to provide an incentive for them to achieve performance goals, and to enable them to participate in the growth of the Company by granting Awards with respect to the Company’s Common
Stock. Certain capitalized terms used herein are defined in Section 9 below. 
  
 2. Administration. 
  
 The Plan shall be
administered by the Committee; provided, that the Board may in any instance perform any of the functions of the Committee hereunder. The Committee shall select the Participants to receive Awards and shall determine the terms and conditions of the
Awards. The Committee shall have authority to adopt, alter and repeal such administrative rules, guidelines and practices governing the operation of the Plan as it shall from time to time consider advisable, and to interpret the provisions of the
Plan. The Committee’s decisions shall be final and binding. To the extent permitted by applicable law, the Committee may delegate to one or more executive officers of the Company the power to make Awards to Participants who are not Reporting
Persons or Covered Employees and all determinations under the Plan with respect thereto, provided that the Committee shall fix the maximum amount of such Awards for all such Participants and a maximum for any one Participant. 
  
 3. Eligibility. 
  
 All directors and all employees and consultants of the Company or any Affiliate capable of contributing to the successful
performance of the Company are eligible to be Participants in the Plan. Incentive Stock Options may be granted only to persons eligible to receive such Options under the Code. 
  
 4. Stock Available for Awards. 
  
 (a) Amount. Subject to adjustment under subsection (b), Awards may be made under the Plan for up to 11,500,000 shares of Common Stock,
provided that no more than 10% of the maximum number of shares authorized from time to time to be issued hereunder may be granted as Restricted Stock or unrestricted stock Awards for consideration less than 100% of the Fair Market Value of the
Common Stock on the date of the respective grant. If any Award expires or is terminated unexercised or is forfeited or settled in a manner that results in fewer shares outstanding than were awarded, the shares subject to such Award, to the extent of
such expiration, termination, forfeiture or decrease, shall again be available for award under the Plan. Common Stock issued through the assumption or substitution of outstanding grants from an acquired company shall not reduce the shares available
for Awards under the Plan. Shares issued under the Plan may consist of authorized but unissued shares or treasury shares. 

 (b) Adjustment. In the event that the Committee determines that any stock dividend,
extraordinary cash dividend, recapitalization, reorganization, merger, consolidation, split-up, spin-off, combination, exchange of shares or other transaction affects the Common Stock such that an adjustment is required in order to preserve the
benefits intended to be provided by the Plan, then the Committee (subject in the case of Incentive Stock Options to any limitation required under the Code) shall equitably adjust any or all of (i) the number and kind of shares in respect of which
Awards may be made under the Plan, (ii) the number and kind of shares subject to outstanding Awards and (iii) the exercise price with respect to any of the foregoing, provided that the number of shares subject to any Award shall always be a whole
number, and if considered appropriate, the Committee may make provision for a cash payment with respect to an outstanding Award. 
  
 (c) Limit on Individual Grants. The maximum number of shares of Common Stock subject to Options and Stock Appreciation Rights that may be
granted to any Participant in the aggregate in any calendar year shall not exceed 2,000,000, and the maximum number of shares of Common Stock that may be granted as Restricted Stock or unrestricted stock Awards, with respect to which performance
goals apply under Section 7 below, to any Participant in the aggregate in any calendar year shall not exceed 500,000, subject to adjustment under subsection (b). 
  
 5. Stock Options. 
  
 (a) Grant of Options. Subject to the provisions of the Plan, the Committee may grant options (“Options”) to purchase shares of
Common Stock (i) complying with the requirements of Section 422 of the Code or any successor provision and any regulations thereunder (“Incentive Stock Options”) and (ii) not intended to comply with such requirements (“Nonstatutory
Stock Options”). The Committee shall determine the number of shares subject to each Option and the exercise price therefor, which shall not be less than 100% of the Fair Market Value of the Common Stock on the date of grant, provided that a
Nonstatutory Stock Option granted to a new employee or consultant in connection with the hiring of such person may have a lower exercise price so long as it is not less than 100% of Fair Market Value on the date the person accepts the Company’s
offer of employment or the date employment commences, whichever is lower. No Options may be granted hereunder more than ten years after the effective date of the Plan. 
  
 (b) Terms and Conditions. Each Option shall be exercisable at such times and subject to such terms and
conditions as the Committee may specify in the applicable grant or thereafter. The Committee may impose such conditions with respect to the exercise of Options, including conditions relating to applicable federal or state securities laws, as it
considers necessary or advisable. 
  
 (c) Payment.
No shares shall be delivered pursuant to any exercise of an Option until payment in full of the exercise price therefor is received by the Company. Such payment may be made in whole or in part in cash or, to the extent permitted by the Committee at
or after the grant of the Option, by delivery of shares of Common Stock owned by the optionee valued at their Fair Market Value on the date of delivery, or such other lawful consideration, including a payment commitment of a financial or brokerage
institution, as the Committee may determine. 

 6. Stock Appreciation Rights. 
  
 (a) Grant of SARs. Subject to the provisions of the Plan, the Committee may grant rights to receive any excess
in value of shares of Common Stock over the exercise price (“Stock Appreciation Rights” or “SARs”). The Committee shall determine at the time of grant or thereafter whether SARs are settled in cash, Common Stock or other
securities of the Company, Awards or other property, and may define the manner of determining the excess in value of the shares of Common Stock. 
  
 (b) Exercise Price. The Committee shall fix the exercise price of each SAR or specify the manner in which the price shall be determined. An
SAR may not have an exercise price less than 100% of the Fair Market Value of the Common Stock on the date of the grant, provided that such an SAR granted to a new employee or consultant in connection with the hiring of such person may have a lower
exercise price so long as it is not less than 100% of Fair Market Value on the date the person accepts the Company’s offer of employment or the date employment commences, whichever is lower. 
  
 7. Stock Awards. 
  
 (a) Grant of Restricted or Unrestricted Stock Awards. The Committee may grant shares of Common Stock subject
to forfeiture (“Restricted Stock”) and determine the duration of the period (the “Restricted Period”) during which, and the conditions under which, the shares may be forfeited to the Company and the other terms and conditions of
such Awards. Shares of Restricted Stock may not be sold, assigned, transferred, pledged or otherwise encumbered, except as permitted by the Committee, during the Restricted Period. Shares of Restricted Stock shall be evidenced in such manner as the
Committee may determine. Any certificates issued in respect of shares of Restricted Stock shall be registered in the name of the Participant and unless otherwise determined by the Committee, deposited by the Participant, together with a stock power
endorsed in blank, with the Company. At the expiration of the Restricted Period, the Company shall deliver such certificates to the Participant or if the Participant has died, to the Participant’s Designated Beneficiary. The Committee also may
make Awards of shares of Common Stock that are not subject to restrictions or forfeiture, on such terms and conditions as the Committee may determine from time to time. 
  
 (b) Performance Goals. The Committee may establish performance goals for the granting of Restricted Stock or
unrestricted stock Awards or the lapse of risk of forfeiture of Restricted Stock. Such performance goals may be based on earnings per share, revenues, sales or expense targets of the Company or any subsidiary, division or product line thereof, stock
price, or such other business criteria as the Committee may determine. Shares of Restricted Stock or unrestricted stock may be issued for no cash consideration, such minimum consideration as may be required by applicable law or such other
consideration as the Committee may determine. 
  
 8. General Provisions
Applicable to Awards. 
  
 (a)
Documentation. Each Award under the Plan shall be evidenced by a writing delivered to the Participant or agreement executed by the Participant specifying the terms and 

 conditions thereof and containing such other terms and conditions not inconsistent with the provisions of the Plan as the
Committee considers necessary or advisable to achieve the purposes of the Plan or to comply with applicable tax and regulatory laws and accounting principles. 
  

(b) Committee Discretion. Each type of Award may be made alone, in addition to or in relation to any other Award. The terms of
each type of Award need not be identical, and the Committee need not treat Participants uniformly. Except as otherwise provided by the Plan or a particular Award, any determination with respect to an Award may be made by the Committee at the time of
grant or at any time thereafter. 
  
 (c) Dividends and Cash
Awards. In the discretion of the Committee, any Award under the Plan may provide the Participant with (i) dividends or dividend equivalents payable (in cash or in the form of Awards under the Plan) currently or deferred with or
without interest and (ii) cash payments in lieu of or in addition to an Award. 
  
 (d) Termination of Service. The Committee shall determine the effect on an Award of the disability, death, retirement or other termination of service of a Participant and the extent to which, and
the period during which, the Participant’s legal representative, guardian or Designated Beneficiary may receive payment of an Award or exercise rights thereunder. 
  
 (e) Change in Control. In order to preserve a Participant’s rights under an Award in the event of
a change in control of the Company (as defined by the Committee), the Committee in its discretion may, at the time an Award is made or at any time thereafter, take one or more of the following actions: (i) provide for the acceleration of any time
period relating to the exercise or payment of the Award, (ii) provide for payment to the Participant of cash or other property with a Fair Market Value equal to the amount that would have been received upon the exercise or payment of the Award had
the Award been exercised or paid upon the change in control, (iii) adjust the terms of the Award in a manner determined by the Committee to reflect the change in control, (iv) cause the Award to be assumed, or new rights substituted therefor, by
another entity, or (v) make such other provision as the Committee may consider equitable to Participants and in the best interests of the Company. 
  
 (f) Transferability. In the discretion of the Committee, any Award may be made transferable upon such terms and conditions and to such
extent as the Committee determines, provided that Incentive Stock Options may be transferable only to the extent permitted by the Code. The Committee may in its discretion waive any restriction on transferability. 
  
 (g) Withholding Taxes. The Participant shall pay to the
Company, or make provision satisfactory to the Committee for payment of, any taxes required by law to be withheld in respect of Awards under the Plan 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 Participant hereunder or otherwise. In the Committee’s discretion, the minimum tax obligations required by law to be withheld in respect of
Awards may be paid in whole or in part in shares of Common Stock, including shares retained from the Award creating the tax obligation, valued at their Fair Market Value on the date of retention or delivery. 

 (h) Foreign Nationals. Awards may be made to Participants who are foreign nationals
or employed outside the United States on such terms and conditions different from those specified in the Plan as the Committee considers necessary or advisable to achieve the purposes of the Plan or to comply with applicable laws. 
  
 (i) Amendment of Award. The Committee may amend, modify
or terminate any outstanding Award, including substituting therefor another Award of the same or a different type, changing the date of exercise or realization and converting an Incentive Stock Option to a Nonstatutory Stock Option, provided that
the Participant’s consent to such action shall be required (a) if such action would terminate, or reduce the number of shares issuable under, an Option, unless any time period relating to the exercise of such Option or the eliminated portion,
as the case may be, is accelerated before such termination or reduction, in which case the Committee may provide for the Participant to receive cash or other property equal to the net value that would be received upon exercise of the terminated
Option or the eliminated portion, as the case may be, and (b) in any other case, unless the Committee determines that the action, taking into account any related action, would not materially and adversely affect the Participant. The Committee shall
not, without further approval of the stockholders of the Company, authorize the amendment of any outstanding Option to reduce the exercise price. Furthermore, no Option shall be canceled and replaced with Options having a lower exercise price
without approval of the stockholders of the Company. 
  
 9. Certain
Definitions. 
  
 “Affiliate” means any business
entity in which the Company owns directly or indirectly 50% or more of the total voting power or has a significant financial interest as determined by the Committee. 
  
 “Award” means any Option, Stock Appreciation Right or Restricted Stock granted under the Plan. 
  
 “Board” means the Board of Directors of the Company. 
  
 “Code” means the Internal Revenue Code of 1986, as amended from
time to time, or any successor law. 
  
 “Committee”
means one or more committees each comprised of not less than two members of the Board appointed by the Board to administer the Plan or a specified portion thereof. Unless otherwise determined by the Board, if a Committee is authorized to grant
Awards to a Reporting Person or a Covered Employee, each member shall be a “non-employee director” within the meaning of Rule 16b-3 under the Exchange Act or an “outside director” within the meaning of Section 162(m) of the Code,
respectively. 
  
 “Common Stock” or “Stock”
means the Common Stock, $.01 par value, of the Company. 
  
 “Company” means Parametric Technology Corporation, a Massachusetts corporation. 
  
 “Covered Employee” means a “covered employee” within the meaning of Section 162(m) of the Code. 

 “Designated Beneficiary” means the beneficiary designated by a Participant, in a manner
determined by the Committee, to receive amounts due or exercise rights of the Participant in the event of the Participant’s death. In the absence of an effective designation by a Participant, “Designated Beneficiary” means the
Participant’s estate. 
  
 “Exchange Act” means the
Securities Exchange Act of 1934, as amended from time to time, or any successor law. 
  
 “Fair Market Value” means, with respect to Common Stock or any other property, the fair market value of such property as determined by the Committee in good faith or in the manner established by the
Committee from time to time. 
  
 “Participant” means a
person selected by the Committee to receive an Award under the Plan. 
  
 “Reporting Person” means a person subject to Section 16 of the Exchange Act. 
  
 10. Miscellaneous. 
  
 (a) No Right To Employment. No person shall have any claim or right to be granted an Award. Each employee of the Company or any of its Affiliates is an employee-at-will (that is to say that either the Participant or the
Company or any Affiliate may terminate the employment relationship at any time for any reason or no reason at all) unless and only to the extent provided in a written employment agreement for a specified term executed by the chief executive officer
of the Company or his duly authorized designee or the authorized signatory of any Affiliate. Neither the adoption, maintenance, nor operation of the Plan nor any Award hereunder shall confer upon any employee or consultant of the Company or of any
Affiliate any right with respect to the continuance of his/her employment by or other service with the Company or any such Affiliate nor shall they interfere with the rights of the Company (or Affiliate) to terminate any employee at any time or
otherwise change the terms of employment, including, without limitation, the right to promote, demote or otherwise re-assign any employee from one position to another within the Company or any Affiliate. 
  
 (b) No Rights As Stockholder. Subject to the provisions
of the applicable Award, no Participant or Designated Beneficiary shall have any rights as a stockholder with respect to any shares of Common Stock to be issued under the Plan until he or she becomes the holder thereof. A Participant to whom Common
Stock is awarded shall be considered the holder of the Stock at the time of the Award except as otherwise provided in the applicable Award. 
  
 (c) Effective Date. The Plan shall be effective on the date it is approved by the stockholders. 
  
 (d) Amendment of Plan. The Board may amend, suspend or
terminate the Plan or any portion thereof at any time, subject to such stockholder approval as the Board determines to be necessary or advisable to comply with any tax or regulatory requirement. 
  
 (e) Governing Law. The provisions of the Plan shall be
governed by and interpreted in accordance with the laws of the Commonwealth of Massachusetts. 
  
 As amended through July 29, 20041997 INCENTIVE STOCK OPTION PLAN

 EXHIBIT 10.2 
  
 PARAMETRIC TECHNOLOGY CORPORATION 
 1997 INCENTIVE STOCK OPTION PLAN 
  
 1.
Purpose 
  
 The purpose of the Parametric
Technology Corporation 1997 Incentive Stock Option Plan (the “Plan”) is to attract and retain key employees and consultants of the Company and its Affiliates, to provide an incentive for them to achieve long-range performance goals, and to
enable them to participate in the long-term growth of the Company. 
  
 2.
Definitions 
  
 “Affiliate” means any
business entity in which the Company owns directly or indirectly 50% or more of the total voting power or has a significant financial interest as determined by the Committee. 
  
 “Board” means the Board of Directors of the Company. 
  
 “Code” means the Internal Revenue Code of 1986, as amended from time to time, or any successor law. 
  
 “Committee” means one or more committees each comprised of not less
than two members of the Board appointed by the Board to administer the Plan or a specified portion thereof. If a Committee is authorized to grant Options to a Reporting Person or a “covered employee” within the meaning of Section 162(m) of
the Code, each member shall be a “Non- Employee Director” or the equivalent within the meaning of Rule 16b-3 under the Exchange Act or an “outside director” or the equivalent within the meaning of Section 162(m) of the Code,
respectively. 
  
 “Common Stock” or “Stock”
means the Common Stock, $.01 par value, of the Company. 
  
 “Company” means Parametric Technology Corporation. 
  
 “Designated Beneficiary” means the beneficiary designated by a Participant, in a manner determined by the Committee, to receive amounts due or exercise rights of the Participant in the event of the Participant’s death. In the
absence of an effective designation by a Participant, “Designated Beneficiary” means the Participant’s estate. 
  
 “Exchange Act” means the Securities Exchange Act of 1934, as amended from time to time, or any successor law. 

 “Fair Market Value” means, with respect to Common Stock or any other property, the fair market
value of such property as determined by the Committee in good faith or in the manner established by the Committee from time to time. 
  
 “Incentive Stock Option” - See Section 6(a). 
  
 “Nonstatutory Stock Option” - See Section 6(a). 
  
 “Option” - Unless the context otherwise requires, an Incentive Stock Option or a Nonstatutory Stock Option. 
  
 “Participant” means a person selected by the Committee to receive
an Option under the Plan. 
  
 “Reporting Person” means a
person subject to Section 16 of the Exchange Act. 
  
 3.
Administration 
  
 The Plan shall be administered
by the Committee, provided that the Board may in any instance perform any of the functions of the Committee. The Committee shall have authority to adopt, alter and repeal such administrative rules, guidelines and practices governing the operation of
the Plan as it shall from time to time consider advisable, and to interpret the provisions of the Plan. The Committee’s decisions shall be final and binding. To the extent permitted by applicable law, the Committee may delegate to one or more
executive officers of the Company the power to grant Options to Participants who are not Reporting Persons or covered employees and all determinations under the Plan with respect thereto, provided that the Committee shall fix the maximum amount of
such Options for all such Participants and a maximum for any one Participant. 
  
 4. Eligibility 
  
 All employees and, in
the case of Nonstatutory Stock Options, consultants of the Company or any Affiliate, capable of contributing significantly to the successful performance of the Company, other than a person who has irrevocably elected not to be eligible, are eligible
to be Participants in the Plan. Incentive Stock Options may be granted only to persons eligible to receive such Options under the Code. 
  
 5. Stock Available for Options 
  
 (a) Amount. Subject to adjustment under subsection (b), Options may be granted under the Plan for up to 12,000,000 shares of Common Stock.
If any Option expires or is terminated unexercised or is forfeited or settled in a manner that results in fewer shares outstanding than were granted, the shares subject to such Option, to the extent of such expiration, termination, forfeiture or
decrease, shall again be available for grant under the Plan. Common Stock issued through the assumption or substitution of outstanding grants from an acquired company shall not reduce the shares available for grant under the Plan. Shares issued
under the Plan may consist in whole or in part of authorized but unissued shares or treasury shares. 

 (b) Adjustment. In the event of any stock dividend, extraordinary cash dividend,
recapitalization, reorganization, merger, consolidation, split-up, spin-off, combination, exchange of shares, or other transaction affecting the Common Stock, then (subject in the case of Incentive Stock Options to any limitation required under the
Code) (i) the number and kind of shares in respect of which Options may be granted under the Plan, (ii) the number and kind of shares subject to outstanding Options, and (iii) the exercise price with respect to any of the foregoing shall be
proportionately adjusted to the extent required equitably to preserve the benefits available hereunder, provided that the number of shares subject to any Option shall always be a whole number, and if considered appropriate, the Committee may make
provision for a cash payment with respect to an outstanding Option. 
  
 (c) Limit on Individual Grants. The maximum number of shares of Common Stock subject to Options that may be granted to any Participant in the aggregate in any calendar year shall not exceed 2,000,000 shares, subject to
adjustment under subsection (b) above. 
  
 6. Stock Options

  
 (a) Grant of Options. Subject to the provisions
of the Plan, the Committee may grant Options to purchase shares of Common Stock (i) complying with the requirements of Section 422 of the Code or any successor provision and any regulations thereunder (“Incentive Stock Options”) and (ii)
not intended to comply with such requirements (“Nonstatutory Stock Options”). The Committee shall determine the number of shares subject to each Option and the exercise price therefor, which shall not be less than 100% of the Fair Market
Value of the Common Stock on the date of grant. No Incentive Stock Option may be granted hereunder more than ten years after the effective date of the Plan. 
  
 (b) Terms and Conditions. Each Option shall have a term no longer than ten years from the date of grant and shall be exercisable at the
time(s) and subject to the terms and conditions set forth in the respective form of option certificate included in Appendix I hereto or as the Committee may otherwise specify in the applicable grant or thereafter. The Committee may impose such
conditions with respect to the exercise of Options, including conditions relating to applicable federal or state securities laws, as it considers necessary or advisable. 
  
 (c) Payment. No shares shall be delivered pursuant to any exercise of an Option until payment in full of the
exercise price therefor is received by the Company. Such payment may be made in whole or in part in cash or, to the extent permitted by the Committee at or after the grant of the Option, by delivery of shares of Common Stock owned by the Participant
or by retaining shares otherwise issuable pursuant to the Option, in each case valued at their Fair Market Value on the date of delivery or retention, or such other lawful consideration, including a payment commitment of a financial or brokerage
institution, as the Committee may determine. 

 7. Termination of Employment or Engagement 
  
 If the Optionholder’s status as an employee or consultant of (a) the Company, (b) an Affiliate, or (c) a corporation
(or parent or subsidiary corporation of such corporation) issuing or assuming a stock option in a transaction to which section 424(a) of the Code applies, is terminated for any reason (voluntary or involuntary) and the period of exercisability for a
particular Option following such termination has not been specified by the Board, each such Option then held by that Participant shall expire to the extent not previously exercised ten (10) calendar days after such Participant’s employment or
engagement is terminated, except that - 
  
 (a) If
the Participant is on military, sick leave or other bona fide leave of absence (such as temporary employment by the federal government), his or her employment or engagement with the Company will be treated as continuing intact if the
period of such leave does not exceed ninety (90) days, or, if longer, so long as the Participant’s right to reemployment or the survival of his or her service arrangement with the Company is guaranteed either by statute or by contract;
otherwise, the Participant’s employment or engagement will be deemed to have terminated on the 91st day of such leave. 
  
 (b) If the Participant’s employment is terminated by reason of his or her retirement from the Company at normal retirement age, each Option then held
by the Participant, to the extent exercisable at retirement, may be exercised by the Participant at any time within three (3) months after such retirement unless terminated earlier by its terms. 
  
 (c) If the Participant’s employment or engagement is terminated by
reason of his or her death, each Option then held by the Participant, to the extent exercisable at the date of death, may be exercised at any time within one year after that date (unless terminated earlier by its terms) by the person(s) to whom the
Participant’s option rights pass by will or by the applicable laws of descent and distribution. 
  
 (d) If the Participant’s employment or engagement is terminated by reason of his or her becoming permanently and totally disabled, each Option then
held by the Participant, to the extent exercisable upon the occurrence of permanent and total disability, may be exercised by the Participant at any time within one (1) year after such occurrence unless terminated earlier by its terms. For purposes
hereof, an individual shall be deemed to be “permanently and totally disabled” if he or she is unable to engage in any substantial gainful activity by reason of any medically determinable physical or mental impairment which can be expected
to result in death or which has lasted or can be expected to last for a continuous period of not less than twelve (12) months. Any determination of permanent and total disability shall be made in good faith by the Company on the basis of a report
signed by a qualified physician. 
  
 8. General Provisions Applicable to
Options 
  
 (a) Limitations on
Transferability. Options shall not be transferable by the recipient other than by will or the laws of descent and distribution and are exercisable during such person’s lifetime only by such person or by such person’s guardian or
legal representative; provided that the Committee may in its discretion waive such restriction in any case. 

 (b) Documentation. Each Option under the Plan shall be evidenced by a written stock option
certificate delivered to the Participant specifying the terms and conditions thereof and containing such other terms and conditions not inconsistent with the provisions of the Plan as the Committee considers necessary or advisable to achieve the
purposes of the Plan or to comply with applicable tax and regulatory laws and accounting principles. 
  
 (c) Committee Discretion. Options may be granted alone, in addition to or in relation to any other Option. The terms of each Option need not
be identical, and the Committee need not treat Participants uniformly. Except as otherwise provided by the Plan or a particular Option, any determination with respect to an Option may be made by the Committee at the time of grant or at any time
thereafter. 
  
 (d) Dividends and Cash Options. In
the discretion of the Committee, any Option under the Plan may provide the Participant with (i) dividends or dividend equivalents payable (in cash or in the form of Options under the Plan) currently or deferred with or without interest, and (ii)
cash payments in lieu of or in addition to an Option. 
  
 (e)
Change in Control. In order to preserve a Participant’s rights under an Option in the event of a change in control (as defined by the Committee) of the Company, the Committee in its discretion may, at the time an Option is granted
or at any time thereafter, take one or more of the following actions: (i) provide for the acceleration of any time period relating to the exercise of the Option, (ii) provide for payment to the Participant of cash or other property with a Fair
Market Value equal to the value that would have been received upon the exercise of the Option had the Option been exercised upon the change in control, (iii) adjust the terms of the Option in a manner determined by the Committee to reflect the
change in control, (iv) cause the Option to be assumed, or new rights substituted therefor, by another entity, or (v) make such other provision as the Committee may consider equitable to Participants and in the best interests of the Company.

  
 (f) [Reserved] 
  
 (g) Withholding Taxes. The Participant shall pay to the
Company, or make provision satisfactory to the Committee for payment of, any taxes required by law to be withheld in respect of Options under the Plan 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 otherwise due to the Participant. In the Committee’s discretion, the Participant may pay any taxes due with respect to an Option in whole or in
part in shares of Common Stock, including shares retained from the Option creating the tax obligation, valued at their Fair Market Value on the date of retention or delivery. 
  
 (h) Foreign Nationals. Options may be granted to Participants who are foreign nationals or employed outside
the United States on such terms and conditions different from those specified in the Plan as the Committee considers necessary or advisable to achieve the purposes of the Plan or to comply with applicable laws. 
  
 (i) Amendment of Option. The Committee may amend, modify or
terminate any outstanding Option in any respect, including converting an Incentive Stock Option to a 

 Nonstatutory Stock Option, provided that the Participant’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 the Participant. The Committee shall not, without further approval of the stockholders of the Company, authorize the amendment of
any outstanding option to reduce the option price. Furthermore, no option shall be canceled and replaced with options having a lower option price or base price without approval of the stockholders of the Company. 
  
 9. Miscellaneous 
  
 (a) No Right To Employment. No person shall have any claim or right to be granted an Option. Each employee of
the Company or any of its Affiliates is an employee-at-will (that is to say that either the Participant or the Company or any Affiliate may terminate the employment relationship at any time for any reason or no reason at all) unless, and only to the
extent, provided in a written employment agreement for a specified term executed by the chief executive officer of the Company or his duly authorized designee or the authorized signatory of any Affiliate. Neither the adoption, maintenance, nor
operation of the Plan nor any Option hereunder shall confer upon any employee of the Company or of any Affiliate any right with respect to the continuance of his/her employment by the Company or any such Affiliate nor shall they interfere with the
right of the Company (or Affiliate) to terminate any employee at any time or otherwise change the terms of employment, including, without limitation, the right to promote, demote or otherwise re-assign any employee from one position to another
within the Company or any Affiliate. 
  
 (b) Effect of
Grant. Participant shall not earn any Options granted hereunder until such time as all the conditions put forth herein which are required to be met in order to exercise the Option have been fully satisfied. 
  
 (c) No Rights As Stockholder. Subject to the provisions of the
applicable Option, no Participant or Designated Beneficiary shall have any rights as a stockholder with respect to any shares of Common Stock to be distributed under the Plan until he or she becomes the holder thereof. 
  
 (d) Effective Date. Subject to the approval of the stockholders
of the Company, the Plan shall be effective on the date of its approval by the Board. 
  
 (e) Amendment of Plan. The Board may amend, suspend or terminate the Plan or any portion thereof at any time, subject to any stockholder approval that the Board determines to be necessary or advisable.

  
 (f) Governing Law. The provisions of the Plan
shall be governed by and interpreted in accordance with the laws of Massachusetts. 
  
 (g) Complete Agreement The Plan constitutes the complete understanding of the parties regarding the subject matter hereof and supersedes all prior contemporaneous agreements of the parties, whether
written or oral. This Plan may be amended, altered, or modified only by a writing, specifying such amendment, alteration or modification, signed by both parties. 

 Adopted at the November 14, 1996 Board of Directors Meeting. 
 Approved at the 1997 Annual Meeting of Stockholders. 
 As amended through July
29, 2004 

 APPENDIX I 
  

			
	 No.             
	 	             Shares

  
 PARAMETRIC
TECHNOLOGY CORPORATION 
 1997 Incentive Stock Option Plan 
  
 Incentive Stock Option Certificate 
  

Parametric Technology Corporation (the “Company”), a Massachusetts corporation, hereby grants to the person named below an option to purchase
shares of Common Stock, $0.01 par value, of the Company (the “Option”) under and subject to the Company’s 1997 Incentive Stock Option Plan (the “Plan”) exercisable on the following terms and conditions set forth below and
those attached hereto and in the Plan: 
  

			
	 Name of Optionholder:
	  	_____________________
	 Address:
	  	_____________________
	 	  	_____________________
		
	 Social Security No.
	  	_____________________
		
	 Number of Shares:
	  	_____________
	 Option Price:
	  	_____________
	 Date of Grant:
	  	 
	_____________	  	 

  

							
	 Exercisability Schedule:
	  	After	  	, 19     , as to              shares,
	 	  	after	  	, 19     , as to              additional shares,
	 	  	after	  	, 19     , as to              additional shares,
	 	  	after	  	, 19     , as to              additional shares,
	 	  	after	  	, 19     , as to              additional shares.
				
	 Expiration Date:
	  	 	  	 	  	_____________

  
 This Option is
intended to be treated as an Incentive Stock Option under section 422 of the Internal Revenue Code of 1986, as amended (the “Code”). 
  
 By acceptance of this Option, the Optionholder agrees to the terms and conditions set forth above and those attached hereto and in the Plan. 

 

							
	 OPTIONHOLDER
	 	PARAMETRIC TECHNOLOGY CORPORATION
				
	 By:
	 	  

	 	By:	 	  

 PARAMETRIC TECHNOLOGY CORPORATION 1997 INCENTIVE STOCK OPTION PLAN 
 Incentive Stock Option Terms And Conditions 
  
 1. Plan Incorporated by Reference. This Option is issued pursuant to the terms of the Plan and may be amended as provided in the Plan. Capitalized
terms used and not otherwise defined in this certificate have the meanings given to them in the Plan. This certificate does not set forth all of the terms and conditions of the Plan, which are incorporated herein by reference. The Committee
administers the Plan and its determinations regarding the operation of the Plan are final and binding. Copies of the Plan may be obtained upon written request without charge from the Corporate Counsel of the Company. 
  
 2. Option Price. The price to be paid for each share of Common Stock
issued upon exercise of the whole or any part of this Option is the Option Price set forth on the face of this certificate. 
  
 3. Exercisability Schedule. This Option may be exercised at any time and from time to time for the number of shares and in accordance with the
exercisability schedule set forth on the face of this certificate, but only for the purchase of whole shares. This Option may not be exercised as to any shares after the Expiration Date. 
  
 4. Method of Exercise. To exercise this Option, the Optionholder shall deliver written notice of exercise to the
Company specifying the number of shares with respect to which the Option is being exercised accompanied by payment of the Option Price for such shares in cash, by certified check or in such other form, including shares of Common Stock of the Company
valued at their Fair Market Value on the date of delivery or a payment commitment of a financial or brokerage institution, as the Committee may approve. Promptly following such notice, the Company will deliver to the Optionholder a certificate
representing the number of shares with respect to which the Option is being exercised. 
  
 5. No Right To Employment. No person shall have any claim or right to be granted an Option. Each employee of the Company or any of its Affiliates is an employee-at-will (that is to say that either the
Participant or the Company or any Affiliate may terminate the employment relationship at any time for any reason or no reason at all) unless, and only to the extent, provided in a written employment agreement for a specified term executed by the
chief executive officer of the Company or his duly authorized designee or the authorized signatory of any Affiliate. Neither the adoption, maintenance, nor operation of the Plan nor any Option hereunder shall confer upon any employee of the Company
or of any Affiliate any right with respect to the continuance of his/her employment by the Company or any such Affiliate nor shall they interfere with the right of the Company (or Affiliate) to terminate any employee at any time or otherwise change
the terms of employment, including, without limitation, the right to promote, demote or otherwise re-assign any employee from one position to another within the Company or any Affiliate. 
  
 6. Effect of Grant. Participant shall not earn any Options granted hereunder until such time as all the conditions
put forth herein and in the Plan which are required to be met in order to exercise the Option have been fully satisfied. 
  
 7. Recapitalization, Mergers, Etc. As provided in the Plan, in the event of corporate transactions affecting the Company’s outstanding Common
Stock, the Committee shall equitably adjust the number and kind of shares subject to this Option and the exercise price hereunder or make provision for a cash payment. If such transaction involves a consolidation or merger of the Company with
another entity, the sale or exchange of all or substantially all of the assets of the Company or a reorganization or liquidation of the Company, then in lieu of the foregoing, the Committee may upon written notice to the Optionholder provide that
this Option shall terminate on a date not less than 20 days after the date of such notice unless theretofore exercised. In connection with such notice, the Committee may in its discretion accelerate or waive any deferred exercise period. 

 
 8. Option Not Transferable. This Option is not transferable by the
Optionholder otherwise than by will or the laws of descent and distribution, and is exercisable, during the Optionholder’s lifetime, only by the Optionholder. The naming of a Designated Beneficiary does not constitute a transfer. 
  
 9. Termination of Employment or Engagement. If the Optionholder’s
status as an employee or consultant of (a) the Company, (b) an Affiliate, or (c) a corporation (or parent or subsidiary corporation of such corporation) issuing or assuming a stock option in a transaction to which section 424(a) of the Code applies,
is terminated for any reason (voluntary or involuntary) and the period of exercisability for a particular Option following such termination has not been specified by the 

 Board, each such Option then held by that Participant shall expire to the extent not previously exercised ten (10)
calendar days after such Participant’s employment or engagement is terminated, except that - 
  
 (a) If the Participant is on military, sick leave or other bona fide leave of absence (such as temporary employment by the federal government), his or her
employment or engagement with the Company will be treated as continuing intact if the period of such leave does not exceed ninety (90) days, or, if longer, so long as the Participant’s right to reemployment or the survival of his or her service
arrangement with the Company is guaranteed either by statute or by contract; otherwise, the Participant’s employment or engagement will be deemed to have terminated on the 91st day of such leave. 
  
 (b) If the Participant’s employment is terminated by reason of his or her retirement
from the Company at normal retirement age, each Option then held by the Participant, to the extent exercisable at retirement, may be exercised by the Participant at any time within three (3) months after such retirement unless terminated earlier by
its terms. 
  
 (c) If the Participant’s employment or engagement is
terminated by reason of his or her death, each Option then held by the Participant, to the extent exercisable at the date of death, may be exercised at any time within one year after that date (unless terminated earlier by its terms) by the
person(s) to whom the Participant’s option rights pass by will or by the applicable laws of descent and distribution. 
  
 (d) If the Participant’s employment or engagement is terminated by reason of his or her becoming permanently and totally disabled, each Option then held by the
Participant, to the extent exercisable upon the occurrence of permanent and total disability, may be exercised by the Participant at any time within one (1) year after such occurrence unless terminated earlier by its terms. For purposes hereof, an
individual shall be deemed to be “permanently and totally disabled” if he or she is unable to engage in any substantial gainful activity by reason of any medically determinable physical or mental impairment which can be expected to result
in death or which has lasted or can be expected to last for a continuous period of not less than twelve (12) months. Any determination of permanent and total disability shall be made in good faith by the Company on the basis of a report signed by a
qualified physician. 
  
 10. Compliance with Securities
Laws. It shall be a condition to the Optionholder’s right to purchase shares of Common Stock hereunder that the Company may, in its discretion, require (a) that the shares of Common Stock reserved for issuance upon the exercise of this
Option 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 with respect to the shares shall be in effect, or (ii) in the opinion of counsel for the Company, the proposed purchase shall be exempt from registration under that Act and the Optionholder 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 Optionholder, or both. The certificates representing the shares purchased under this Option may contain such legends as counsel for the Company shall consider necessary to comply with any
applicable law. 
  
 11. Payment of Taxes. The Optionholder
shall pay to the Company, or make provision satisfactory to the Company for payment of, any taxes required by law to be withheld with respect to the exercise of this Option. The Committee may, in its discretion, require any other Federal or state
taxes imposed on the sale of the shares to be paid by the Optionholder. In the Committee’s discretion, such tax obligations may be paid in whole or in part in shares of Common Stock, including shares retained from the exercise of this Option,
valued at their Fair Market Value on the date of delivery. The Company and its Affiliates may, to the extent permitted by law, deduct any such tax obligations from any payment of any kind otherwise due to the Optionholder. 
  
 12. Notice of Sale of Shares Required. The Optionholder agrees to
notify the Company in writing within 30 days of the disposition of any shares purchased upon exercise of this Option if such disposition occurs within two years of the date of the grant of this Option or within one year after such purchase.

  
 Adopted November 14, 1996 

			
	 No.             
	 	             Shares

  
 PARAMETRIC
TECHNOLOGY CORPORATION 
 1997 Incentive Stock Option Plan 
  
 Nonstatutory Stock Option Certificate 
  
 Parametric Technology Corporation (the “Company”), a Massachusetts corporation, hereby grants to the person named
below an option to purchase shares of Common Stock, $0.01 par value, of the Company (the “Option”) under and subject to the Company’s 1997 Incentive Stock Option Plan (the “Plan”) exercisable on the following terms and
conditions set forth below and those attached hereto and in the Plan: 
  

			
	 Name of Optionholder:
	  	_____________________
	 Address:
	  	_____________________
	 	  	_____________________
		
	 Social Security No.
	  	_____________________
		
	 Number of Shares:
	  	_____________
	 Option Price:
	  	_____________
	 Date of Grant:
	  	 
	______________	  	 

  

							
	 Exercisability Schedule:
	  	After	  	, 19     , as to              shares,
	 	  	after	  	, 19     , as to              additional shares,
	 	  	after	  	, 19     , as to              additional shares,
	 	  	after	  	, 19     , as to              additional shares,
	 	  	after	  	, 19     , as to              additional shares.
				
	 Expiration Date:
	  	 	  	 	  	_____________

  
 This Option shall not
be treated as an Incentive Stock Option under section 422 of the Internal Revenue Code of 1986, as amended (the “Code”). 
  
 By acceptance of this Option, the Optionholder agrees to the terms and conditions set forth above and those attached hereto and in the Plan. 

 

							
	 OPTIONHOLDER
	 	PARAMETRIC TECHNOLOGY CORPORATION
				
	 By:
	 	  

	 	By:	 	  

 PARAMETRIC TECHNOLOGY CORPORATION 1997 INCENTIVE STOCK OPTION PLAN 
 Nonstatutory Stock Option Terms And Conditions 
  
 1. Plan Incorporated by Reference. This Option is issued pursuant to the terms of the Plan and may be amended as provided in the Plan. Capitalized
terms used and not otherwise defined in this certificate have the meanings given to them in the Plan. This certificate does not set forth all of the terms and conditions of the Plan, which are incorporated herein by reference. The Committee
administers the Plan and its determinations regarding the operation of the Plan are final and binding. Copies of the Plan may be obtained upon written request without charge from the Corporate Counsel of the Company. 
  
 2. Option Price. The price to be paid for each share of Common Stock
issued upon exercise of the whole or any part of this Option is the Option Price set forth on the face of this certificate. 
  
 3. Exercisability Schedule. This Option may be exercised at any time and from time to time for the number of shares and in accordance with the
exercisability schedule set forth on the face of this certificate, but only for the purchase of whole shares. This Option may not be exercised as to any shares after the Expiration Date. 
  
 4. Method of Exercise. To exercise this Option, the Optionholder shall deliver written notice of exercise to the
Company specifying the number of shares with respect to which the Option is being exercised accompanied by payment of the Option Price for such shares in cash, by certified check or in such other form, including shares of Common Stock of the Company
valued at their Fair Market Value on the date of delivery or a payment commitment of a financial or brokerage institution, as the Committee may approve. Promptly following such notice, the Company will deliver to the Optionholder a certificate
representing the number of shares with respect to which the Option is being exercised. 
  
 5. No Right To Employment. No person shall have any claim or right to be granted an Option. Each employee of the Company or any of its Affiliates is an employee-at-will (that is to say that either the
Participant or the Company or any Affiliate may terminate the employment relationship at any time for any reason or no reason at all) unless, and only to the extent, provided in a written employment agreement for a specified term executed by the
chief executive officer of the Company or his duly authorized designee or the authorized signatory of any Affiliate. Neither the adoption, maintenance, nor operation of the Plan nor any Option hereunder shall confer upon any employee of the Company
or of any Affiliate any right with respect to the continuance of his/her employment by the Company or any such Affiliate nor shall they interfere with the right of the Company (or Affiliate) to terminate any employee at any time or otherwise change
the terms of employment, including, without limitation, the right to promote, demote or otherwise re-assign any employee from one position to another within the Company or any Affiliate. 
  
 6. Effect of Grant. Participant shall not earn any Options granted hereunder until such time as all the conditions
put forth herein and in the Plan which are required to be met in order to exercise the Option have been fully satisfied. 
  
 7. Recapitalization, Mergers, Etc. As provided in the Plan, in the event of corporate transactions affecting the Company’s outstanding Common
Stock, the number and kind of shares subject to this Option and the exercise price hereunder shall be equitably adjusted. If such transaction involves a consolidation or merger of the Company with another entity, the sale or exchange of all or
substantially all of the assets of the Company or a reorganization or liquidation of the Company, then in lieu of the foregoing, the Committee may upon written notice to the Optionholder provide that this Option shall terminate on a date not less
than 20 days after the date of such notice unless theretofore exercised. In connection with such notice, the Committee may in its discretion accelerate or waive any deferred exercise period. 
  
 8. Option Not Transferable. This Option is not transferable by the
Optionholder otherwise than by will or the laws of descent and distribution, and is exercisable, during the Optionholder’s lifetime, only by the Optionholder. The naming of a Designated Beneficiary does not constitute a transfer. 
  
 9. Termination of Employment or Engagement. If the Optionholder’s
status as an employee or consultant of (a) the Company, (b) an Affiliate, or (c) a corporation (or parent or subsidiary corporation of such corporation) issuing or assuming a stock option in a transaction to which section 424(a) of the Code applies,
is terminated for any reason (voluntary or involuntary) and the period of exercisability for a particular Option following such termination has not been specified by the 

 Board, each such Option then held by that Participant shall expire to the extent not previously exercised ten (10)
calendar days after such Participant’s employment or engagement is terminated, except that - 
  
 (a) If the Participant is on military, sick leave or other bona fide leave of absence (such as temporary employment by the federal
government), his or her employment or engagement with the Company will be treated as continuing intact if the period of such leave does not exceed ninety (90) days, or, if longer, so long as the Participant’s right to reemployment or the
survival of his or her service arrangement with the Company is guaranteed either by statute or by contract; otherwise, the Participant’s employment or engagement will be deemed to have terminated on the 91st day of such leave. 
  
 (b) If the Participant’s employment is terminated by reason of his or
her retirement from the Company at normal retirement age, each Option then held by the Participant, to the extent exercisable at retirement, may be exercised by the Participant at any time within three (3) months after such retirement unless
terminated earlier by its terms. 
  
 (c) If the Participant’s
employment or engagement is terminated by reason of his or her death, each Option then held by the Participant, to the extent exercisable at the date of death, may be exercised at any time within one year after that date (unless terminated earlier
by its terms) by the person(s) to whom the Participant’s option rights pass by will or by the applicable laws of descent and distribution. 
  
 (d) If the Participant’s employment or engagement is terminated by reason of his or her becoming permanently and totally disabled, each Option then
held by the Participant, to the extent exercisable upon the occurrence of permanent and total disability, may be exercised by the Participant at any time within one (1) year after such occurrence unless terminated earlier by its terms. For purposes
hereof, an individual shall be deemed to be “permanently and totally disabled” if he or she is unable to engage in any substantial gainful activity by reason of any medically determinable physical or mental impairment which can be expected
to result in death or which has lasted or can be expected to last for a continuous period of not less than twelve (12) months. Any determination of permanent and total disability shall be made in good faith by the Company on the basis of a report
signed by a qualified physician. 
  
 10. Compliance with
Securities Laws. It shall be a condition to the Optionholder’s right to purchase shares of Common Stock hereunder that the Company may, in its discretion, require (a) that the shares of Common Stock reserved for issuance upon the exercise
of this Option 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 with respect to the shares shall be in effect, or (ii) in the opinion of counsel for the Company, the proposed purchase shall be exempt from registration under that Act and the Optionholder
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 Optionholder, or both. The certificates representing the shares purchased under this Option may contain such legends as counsel for the Company shall consider necessary to comply
with any applicable law. 
  
 11. Payment of Taxes. The
Optionholder shall pay to the Company, or make provision satisfactory to the Company for payment of, any taxes required by law to be withheld with respect to the exercise of this Option. The Committee may, in its discretion, require any other
Federal or state taxes imposed on the sale of the shares to be paid by the Optionholder. In the Committee’s discretion, such tax obligations may be paid in whole or in part in shares of Common Stock, including shares retained from the exercise
of this Option, valued at their Fair Market Value on the date of delivery. The Company and its Affiliates may, to the extent permitted by law, deduct any such tax obligations from any payment of any kind otherwise due to the Optionholder.

  
 Adopted November 14, 1996

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