Document:

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                                  EXHIBIT 10.17

                       AMENDMENT ONE TO THE FIRST AMENDED
                     UNIGRAPHICS SOLUTIONS INC. 401(K) PLAN

          WHEREAS, Unigraphics Solutions Inc. ("Company") previously adopted the
Unigraphics Solutions Inc. 401(k) Plan ("Plan"); and

          WHEREAS, the Company reserved the right to amend the Plan in Section
16.1 thereof; and

          WHEREAS, effective as of December 31, 1999, the Company desires to
amend the Plan to provide for an additional contribution to the Plan by the
Company;

          NOW, THEREFORE, effective December 31, 1999, the Plan is amended as
follows:

          Section 4.5 is deleted in its entirety and replaced with the
          following:

     4.5  Additional Employer Contributions.
          ---------------------------------

          The Employer shall make a contribution to the Plan for the Plan Year
ended December 31, 1999, on behalf of each Employee described in Section 4.5.1.
in an amount determined and allocated in accordance with Section 4.5.2. Such
contributions shall be paid to the Trustee not later than the time prescribed by
law for filing the Employer's federal income tax return for the taxable year
with or within which such Plan Year ends, including any extensions thereof.

          4.5.1 Eligibility.
                -----------

                Each Employee who satisfies the following requirements shall
     receive the contribution described in this Section 4.5:

                (a) A participant in the EDS Retirement Plan on March 31, 1999;
          and

                (b) (i) Employed by the Employer on December 31, 1999, (ii)
          retired (as defined below) during the Plan Year ended on December 31,
          1999, (iii) died during such Plan Year or (iv) became disabled within
          the meaning of Section 8.2 during such Plan Year.

                For purposes of this Section 4.5, an individual shall be
     considered to have retired if he or she terminated employment during the
     Plan Year on or after (i) attaining age 55 and (ii) completing at least ten
     (10) continuous years of service with the Employer or its predecessors
     (Electronic Data Systems Corporation ("EDS") or McDonnell-Douglas
     Corporation("MDC")) immediately prior to termination of employment with the
     Employer.

          4.5.2. Contribution.
                 ------------

                 With respect to an Employee described in Section 4.5.1, the
     Employer shall contribute an amount equal to the sum of such Employee's
     Base Credit, Excess Credit, Transition Credit, and Mid-Career Credit, as
     applicable. Such contribution shall be contributed to such Employee's
     Matching Contribution Account; provided that, a Matching Contribution
     Account shall be established for an Employee who has not previously been
     credited with matching contributions under the Plan.

                 (1) Base Credit. The Base Credit of an Employee age 49 or under
                     -----------
          as of December 31, 1999, shall be an amount equal to:

                     (a) a percentage calculated by adding the sum of his or her
          age plus Years of Service (including for this purpose service with MDC
          which was counted for benefit purposes under the EDS Retirement Plan)
          as of such date and dividing such sum by twenty (20), but in no event
          less than one and a half percent (1.5% or .015), multiplied by

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               (b) the Employee's Compensation for the Plan Year.

     The Base Credit of an Employee age 50 or older as of December 31, 1999,
     shall be an amount equal to:

               (a) a percentage calculated by adding the sum of his or her age
          plus Years of Service (including for this purpose service with MDC
          which was counted for benefit purposes under the EDS Retirement Plan)
          as of such date and dividing such sum by fourteen (14), multiplied by

               (b) the Employee's Compensation for the Plan Year.

          (2) Excess Credit. An Employee's Excess Credit, if any, shall be an
              -------------
     amount equal to:

               (a) the lesser of (i) such Employee's Base Credit or (ii) five
          percent (5%), multiplied by

               (b) the Employee's Compensation for the Plan Year in excess of
          the amount obtained by multiplying the Social Security Wage Base by a
          fraction, the numerator of which is the number of full months in the
          Plan Year and the denominator of which is 12.

          Social Security Wage Base shall mean the maximum annual wage base upon
          which Old-Age, Survivors, and Disability Insurance taxes are based
          during the Plan Year.

          (3) Conversion Credit. If an Employee was employed with EDS or the
              -----------------
     Company on July 1, 1998, had attained at least age 44 as of such date and
     was fully vested under the EDS Retirement Plan as of such date, such
     Employee's Conversion Credit shall be an amount equal to:

               (a) the sum of the Employee's Base Credit plus his or her Excess
          Credit, if any, multiplied by

               (b) the applicable percentage determined under the following
          chart based on such Employee's age as of July 1, 1998:

                  Age                            Applicable %
                  ---                            ------------

                  44                             10
                  45                             20
                  46 to 56                       50
                  57 and over                    70

          (4) Mid-Career Credit. If an Employee's age as of his or her Date of
              -----------------
     Employment, as defined in the EDS Retirement Plan, was greater than
     thirty-five (35), such Employee shall receive a Mid-Career Credit equal to:

               (a) a percentage calculated by subtracting thirty-five (35) from
          his or her age as of his or her Date of Employment, and dividing this
          number by fourteen (14), and multiplied by

               (b) the Employee's Compensation for the Plan Year.

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                                  EXHIBIT 10.18

                           PERSONAL SERVICES AGREEMENT

     THIS PERSONAL SERVICES AGREEMENT ("Agreement") is entered into between
UNIGRAPHICS SOLUTIONS INC. ("UGS" or "Company") and _____________ ("Executive"),
to be effective January 20, 2000 ("Effective Date").

                                    RECITALS
                                    --------

     WHEREAS, UGS desires to employ Executive pursuant to the terms and
conditions and for the consideration set forth in this Agreement, and Executive
desires to enter the employ of UGS pursuant to such terms and conditions and for
such consideration; and

     WHEREAS, The provisions of this Agreement are a condition of Executive's
being employed by UGS, of Executive's having access to confidential business and
technological information, and Executive's being eligible to receive certain
benefits at UGS. This Agreement is entered into, and is reasonably necessary, to
protect confidential information and customer relationships to which Executive
may have access, and to protect the goodwill and other business interests of
UGS; and

     WHEREAS, The Compensation Committee of the UGS Board of Directors has
determined that it is in the best interests of the Company and its shareholders
to assure that, in the event of a Change of Control (as defined in Section 3.5
hereof), UGS will have the continued services of the Executive and the Executive
will be provided with the compensation and benefits provided herein; and

     WHEREAS, The provisions of this Agreement are also a condition of
Executive's agreeing to provide personal services to UGS.

     NOW, THEREFORE, in consideration of the mutual promises and covenants
agreed to herein, the receipt and sufficiency of which are hereby acknowledged,
UGS and Executive agree as follows:

Section 1. Employment Duties and Previous Agreements
           -----------------------------------------

     1.1 UGS agrees to employ Executive, and Executive agrees to be employed by
UGS, beginning as of the Effective Date and continuing throughout the Term as
specified in Section 3.1. Executive shall be employed in the position of [enter
current job title] or such other leadership position as shall be determined by
the Board of Directors. Executive shall faithfully and diligently render such
services and perform such related duties and responsibilities as are customarily
performed by a person holding such corporate title and as otherwise may from
time to time be reasonably assigned to Executive. Executive shall comply with
provisions of this Agreement and shall at all times be subject to such UGS
policies and procedures, including, but not limited to, the UGS Code of Conduct,
as UGS may from time to time maintain, modify, terminate and/or establish.

     1.2 This Agreement supercedes and replaces any personal services agreement
or employment agreement in place between UGS and the Executive as of the
Effective Date.

Section 2. Compensation and Benefits
           -------------------------

     2.1 Base Salary. For the Term of this Agreement, UGS shall pay Executive a
         -----------
base salary of not less than [enter current base salary] per year (as may be
                              -------------------------
increased or decreased from time-to-time by UGS' Compensation Committee of the
Board of Directors or any successor body or person (the "Committee")). Such base
salary shall be paid semi-monthly and shall be subject to all applicable
withholdings and deductions.

     2.2 Performance Bonuses. Executive shall be eligible to receive annual
         -------------------
bonuses, pursuant to the following:

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          2.2.1 Executive shall be eligible for a performance bonus, if any, as
     determined by the Committee. Any bonus amount awarded will be paid as soon
     as practicable following the end of the Company's fiscal year. Any such
     bonus will be based upon Executive's performance, as well as the actual
     financial performance of UGS in relation to the approved business plan and
     other factors specified by the Committee.

          2.2.2 Executive shall be eligible to participate in any other UGS
     executive bonus plan implemented during the Term and generally applicable
     to other similarly situated executives.

          2.2.3 All bonus payments specified in this Section 2.2 are contingent
     upon Executive's not having been discharged for Cause (as such term is
     defined in Section 3.2.3) by UGS or Executive's not having voluntarily
     terminated his employment under Section 3.2.1 prior to each particular
     payment having been made.

     2.3 Annual and Long Term Incentives. Executive shall be eligible to receive
         --------------------------------
annual and long-term incentive compensation under the Company's incentive plans
on the same basis as other similarly situated Executives.

     2.4 EDS Incentive Awards. For so long as Executive is an employee of UGS,
         ---------------------
Executive shall continue to vest in any and all grants awarded through the
Effective Date to Executive under (i) the 1996 Incentive Plan of the Electronic
Data Systems Corporation or any predecessor plan and (ii) the EDS Performance
Share program. Notwithstanding anything to the contrary herein, upon the
Effective Date of this Agreement Executive shall not be eligible for any
additional awards under any EDS incentive plan.

Section 3. Term and Termination
           --------------------

     3.1 Term. The initial term of this Agreement shall commence on the
         ----
Effective Date and shall end two (2) years from the Effective Date, and shall
thereafter be automatically renewed for successive one (1) year terms (the
initial term and any subsequent renewal term are referred to as the "Term" in
this Agreement) unless either party gives written notification to the other
party at least sixty (60) days in advance of the expiration of the Term that
further renewal shall not be effected. Such notice to Executive must be
delivered to Executive's address then on record with UGS. Notice to UGS must be
delivered to the Chief Executive Officer at the designated headquarters of UGS.

          3.1.1 Termination Date. Executive's termination of employment shall be
                -----------------
     effective on, as applicable, the date coincident with the occurrence of a
     terminating event as described in this Article 3, the date specified in the
     written notice provided under Sections 3.1, 3.2.1 or 3.2.2, or such other
     date as determined by the Board of Directors or the Committee. The
     effective date of Executive's termination of employment shall be the
     "Termination Date."

     3.2 Termination. Executive's employment under this Agreement may not be
         ------------
terminated by either party except as follows:

          3.2.1 Executive's Voluntary Termination. Executive may terminate his
                ----------------------------------
     employment with UGS at any time for any reason whatsoever by giving 60
     days' written notice to UGS. Upon Executive giving the requisite notice of
     his intent to terminate his employment, the Company, at its sole
     discretion, shall have the option of immediately accepting Executive's
     resignation. Upon accepting Executive's resignation, the Company shall have
     no further obligation to provide Executive with any benefits and/or
     payments, except those required by law.

          3.2.2 UGS Termination With Notice. Excluding for "Cause" terminations
                ----------------------------
     (the procedure for which is described below), UGS may terminate Executive's
     employment at any time for any reason whatsoever by giving 60 days' written
     notice to Executive. In lieu of providing Executive with 60 days' written
     notice, the Company shall have the sole discretion to immediately terminate
     Executive's employment, provided Executive receives 60 days of full base
     salary, in addition to any bonus or long term incentive compensation he
     would have received during the 60 days following his termination.

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          3.2.3 Termination for Cause. UGS may terminate Executive's employment
                ----------------------
     at any time for Cause, with or without notice. For purposes of this
     Section, the term "Cause" shall mean (a) gross or habitual neglect of
     duties or misconduct in the performance of the duties and services required
     of Executive pursuant to this Agreement; (b) conduct of Executive which is
     materially detrimental to UGS' reputation or business operations or its
     ability to secure or renew future contracts; (c) Executive's conviction of
     a felony or of a misdemeanor involving moral turpitude; (d) Executive's
     breach of a material provision of this Agreement which remains uncorrected
     for 30 days following written notice to the Executive by UGS of such
     breach; (e) continued failure or refusal of Executive to faithfully,
     diligently and competently perform the usual and customary duties of his
     employment; or (f) failure or refusal of Executive to materially comply
     with the policies, standards and regulations of UGS as from time to time
     may be made known to Executive.

          3.2.4 Executive's Termination for Good Reason. Executive may terminate
                ----------------------------------------
     his employment with UGS at any time for Good Reason. The term "Good Reason"
     shall mean:

               (a) a material breach of a material provision of this Agreement
          by the Company which breach remains uncorrected for 30 days following
          written notice to UGS by Executive of such breach (such written notice
          must detail the action or conduct allegedly constituting Good Reason).
          If Executive fails to give such requisite notice, or if UGS timely
          corrects such alleged breach, the action or conduct shall not
          constitute Good Reason;

               (b) a reduction by UGS in Executive's base salary as in effect on
          the Effective Date by more than twenty five percent (25%);

               (c) Executive's ineligibility to participate in bonus and/or
          compensation programs (excluding those described in Paragraph 2.4) in
          which other similarly situated Executives are eligible to participate;

               (d) failure by the Company to provide Executive with benefits
          (e.g., life insurance, medical, dental, accident, and disability) that
          are available to other similarly situated executives;

               (e) if a Change of Control occurs, the Company's requiring
          Executive to be based at any office or location more than thirty five
          (35) miles from the location at which he was based prior to the Change
          of Control, except for travel reasonably required in the performance
          of the Executive's responsibilities; or

               (f) any failure by UGS to obtain the assumption of this Agreement
          by any successor or assign of UGS.

          3.2.5 Termination Upon Death or Incapacity. Executive's employment
                -------------------------------------
     will also terminate immediately upon Executive's death or Disability. For
     purposes of this Agreement, "Disability" shall mean the inability of the
     Executive to perform his duties on a full-time basis for 180 consecutive
     business days as a result of incapacity due to mental or physical illness
     which is determined to be total and permanent by a physician selected by
     the Company or its insurers and acceptable to Executive or Executive's
     legal representative (such agreement as to acceptability is not to be
     withheld unreasonably).

     3.3 Effects of Termination. The effects of termination of the employment
         -----------------------
relationship shall be as follows:

          3.3.1 Termination of Benefits. In the event of Executive's voluntary
                ------------------------
     termination of employment pursuant to Section 3.2.1 or the termination of
     Executive's employment by UGS for Cause pursuant to Section 3.2.3, UGS
     shall have no further obligation to provide Executive with any benefits
     and/or payments, except as required by law or the terms of a controlling
     benefit or stock plan or policy and the payment of any salary, bonus, or
     other compensation or benefits accrued to the Termination Date.

          3.3.2 Death and Disability Benefits. In the event of the termination
                ------------------------------
     of the employment relationship by reason of death or Disability pursuant to
     Section 3.2.5, UGS shall pay Executive his salary to the date of his death
     or decision regarding Disability; and the right of Executive or Executive's
     heirs to

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     compensation thereafter shall be governed by the applicable death,
     disability, pension, insurance or other written benefit plans or policies.

          3.3.3 Other Termination Benefit Entitlements. Except as otherwise
                ---------------------------------------
     provided in Section 3.4 with respect to Executive's termination in the
     event of a Change of Control, if UGS terminates the employment of Executive
     with notice as set forth in Sections 3.1 or 3.2.2, or Executive terminates
     the employment relationship for Good Reason under Section 3.2.4, Executive
     will be entitled to the following benefits:

               (a) Full base salary and any bonus or long term incentive
          compensation to which Executive is entitled through the Termination
          Date.

               (b) A severance payment, less all applicable deductions, equal to
          (i) one times the Executive's annual base salary in effect as of the
          Termination Date plus (ii) an amount equal to the Executive's bonus
          target in effect for the fiscal year in which the Termination Date
          falls, or if a bonus target has not yet been established, an amount
          equal to 1.25 times the Executive's bonus target for the previous
          fiscal year.

               (c) Notwithstanding any provision to the contrary in any
          applicable award agreement(s), continued vesting of any unvested UGS
          stock options, other UGS stock awards, and EDS Incentive Plan awards
          granted as of the Termination Date in accordance with the vesting
          schedules set forth in the applicable award agreement(s) between the
          Executive and UGS and/or EDS. This Agreement shall be deemed to amend
          any employee award agreement to the extent required to comply with
          this Section 3.3.3(c).

               (d) A cash payment to pay for twelve (12) months of (i)
          Consolidated Omnibus Budget Reconciliation Act of 1985 ("COBRA")
          continuation health coverage for the Executive and his family, (ii)
          premiums for basic employee life insurance coverage ($50,000), and
          (iii) premiums for long term disability insurance providing income
          replacement of $7,000 per month.

               (e) Reimbursement not to exceed $75,000 of the costs of existing
          home sale (including payment of any real estate sales commission up to
          six percent of the home sale price) and packing and shipping expenses
          in accordance with Company's then-existing household goods shipping
          policies for employees if within twelve (12) months of termination
          under this Section 3.3.3, Executive relocates to a new work location
          which is more than 35 miles from his primary work location on the
          Termination Date.

               (f) Reimbursement not to exceed $25,000 for outplacement services
          provided by an outplacement service acceptable to UGS within twelve
          (12) months of termination under this Section 3.3.3.

     3.4 Termination as a Result of a Change of Control. UGS recognizes that the
         -----------------------------------------------
continuing possibility of a Change of Control of UGS is unsettling to Executives
of the Company. Therefore, the arrangements set forth below are being made to
help assure a continuing dedication by Executive to his duties to the Company,
notwithstanding the occurrence or potential occurrence of a Change in Control.
In particular, UGS believes it important, should the Company receive proposals
or inquiries from third parties with respect to its future, to enable Executive,
without being influenced by uncertainties of his own situation, to assess and
advise the Company whether such proposals would be in the best interests of the
Company and its shareholders and to take such other action regarding such
proposals as the Company might determine to be appropriate. Accordingly, if
between effective date (the "Change of Control Date") of a Change of Control (as
defined below) and 24 months following the Change of Control Date, UGS gives
notice under Section 3.1 that this Agreement will not be extended for reasons
other than Cause, gives notice of termination under Section 3.2.2, or if
Executive terminates for Good Reason, UGS shall provide the Executive with the
benefits as set forth below in this Section 3.4. Notwithstanding any other
provision of this Agreement, if a Change in Control occurs and if the
Executive's employment with the Company or any of its subsidiaries is terminated
by the Company less than six months prior to the date on which the Change in
Control occurs, and if it is demonstrated by the Executive that such termination
of employment by the Company (i) was at the request of a third party which has
taken steps reasonably calculated to result in or effect the Change in Control
or (ii) otherwise arose in connection with or in anticipation of the Change in
Control, then for all purposes of this

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Agreement, such termination of employment shall be deemed to have occurred
within two years following such Change in Control provided that the obligations
contained in Section 3.1 to deliver a notice of termination shall not apply.
Benefits to which Executive shall be entitled are:

          3.4.1 Full base salary and any bonus or long term incentive
     compensation to which the Executive is entitled through the Termination
     Date.

          3.4.2 A severance payment, less all applicable deductions, equal to
     (i) two times the Executive's annual base salary in effect as of the
     Termination Date plus (ii) an amount equal to two times the Executive's
     bonus target in effect for the fiscal year in which the Termination Date
     falls, or if a bonus target has not yet been established, an amount equal
     to two times the Executive's bonus target for the previous fiscal year.

          3.4.3 Notwithstanding any provision to the contrary in any applicable
     award agreement(s), continued vesting of any unvested UGS stock options,
     other UGS stock awards, and EDS Incentive Plan awards granted as of the
     Termination Date in accordance with the vesting schedules set forth in the
     applicable award agreement(s) between the Executive and UGS and/or EDS.
     This Agreement shall be deemed to amend any employee award agreement to the
     extent required to comply with this Section 3.4.3.

          3.4.4 A cash payment to pay for twelve (12) months of (i) Consolidated
     Omnibus Budget Reconciliation Act of 1985 ("COBRA") continuation health
     coverage for the Executive and his family, (ii) premiums for basic employee
     life insurance coverage ($50,000), and (iii) premiums for long term
     disability insurance providing income replacement of $7,000 per month.

          3.4.5 Reimbursement not to exceed $75,000 of the costs of existing
     home sale (including payment of any real estate sales commission up to six
     percent of the home sale price) and packing and shipping expenses in
     accordance with Company's then-existing household goods shipping policies
     for employees if within twelve (12) months of termination under this
     Section 3.4, Executive relocates to a new work location which is more than
     35 miles from his primary work location on the Termination Date.

          3.4.6 Reimbursement not to exceed $25,000 for outplacement services
     provided by an outplacement service acceptable to UGS within twelve (12)
     months of termination under this Section 3.4.

         3.5 Change of Control Conditions Precedent and Definition. No
             ------------------------------------------------------
compensation shall be payable under Section 3.4 unless and until (a) there shall
have been a Change of Control in UGS while the Executive is still an employee of
UGS or was an employee within six (6) months of the Change of Control Date if
the second to the last sentence of Section 3.4 applies and (b) the Executive's
employment by the Company thereafter shall have been terminated in accordance
with Sections 3.1, 3.2.2 or 3.2.4. Under this Agreement, "Change of Control" of
UGS means a change in control of the Company occurring after the Effective Date
of this Agreement of a nature that would be required to be reported in response
to Item 6(e) of Schedule 14A of Regulation 14A (or in response to any similar
item on any similar schedule or form) under the Securities Exchange Act of 1934,
as amended (the "Exchange Act"), whether or not the Company is then subject to
such reporting requirement; provided however, that, without limiting the
generality of the foregoing, a Change in Control shall be deemed to have
occurred (irrespective of the applicability of the initial clause of this
definition) if at any time after the Effective Date (a) any "person" (as such
term is used in Sections 13(d) and 14(d) of the Exchange Act, but excluding (i)
any employee benefit plan of the Company or of any subsidiary of the Company,
and (ii) any entity organized, appointed or established by the Company pursuant
to the terms of any such plan) is or becomes the "beneficial owner" (as defined
in Rule 13d-3 under the Exchange Act), directly or indirectly, of securities of
the Company representing 50% or more of the combined voting power of the
Company's then outstanding securities without the prior approval of at least
two-thirds of the members of the whole board in office immediately prior to such
person attaining such percentage interest; (b) the Company is a party to a
merger, consolidation, share exchange, sale of assets or other reorganization,
or a proxy contest, as a consequence of which members of the board in office
immediately prior to such transaction or event constitute less than a majority
of the whole board thereafter; or (c) during any period of two consecutive
years, individuals who at the beginning of such period constituted members of
the board (including for this purpose any new member whose election or
nomination for election by the Company's stockholders was approved by at least
two-thirds of the members of the whole board then still in office who were
members of the board at the beginning of such period) cease for any reason to
constitute a majority of the whole board. Notwithstanding the foregoing, a
Change in Control shall not be deemed to have occurred solely as a result of
Electronic Data Systems Corporation (or a

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successor corporation) remaining or becoming the beneficial owner of 50% or more
of the combined voting power of the Company's then outstanding securities.

     3.6 Excess Parachute Payment Limit. Notwithstanding anything contained in
         -------------------------------
this Agreement to the contrary, in the event that any payment (within the
meaning of Section 280G(b)(2) of the Internal Revenue Code of 1986, as amended
or replaced (the "Code")), or distribution to or for the benefit of the
Executive, whether paid or payable or distributed or distributable pursuant to
the terms of this Agreement or otherwise in connection with, or arising out of,
his or her employment with the Company (a "Payment" or "Payments"), would be
subject to the excise tax imposed by Section 4999 of the Code or any interest or
penalties are incurred by the Executive with respect to such excise tax (such
excise tax, interest and penalties collectively referred to as the "Excise
Tax"), then the amount of Payments under this Agreement, when added to all other
Payments to which Executive is entitled, shall be reduced to one dollar ($1.00)
less than three hundred percent (300%) of Executive's Base Amount (as
hereinafter defined) in accordance with Section 280G of the Code. For purposes
of this Section, Executive's "Base Amount" is his average annual taxable
compensation received from the Company for the five (5) calendar years (or such
lesser number which comprises the entire number of years of his employment with
the Company) preceding the calendar year in which a change in the ownership or
effective control of the Company or a change in the ownership of a substantial
portion of the Company's assets occurs (within the meaning of Section 280G(b)(2)
of the Code) occurs.

          3.6.1 Excess Parachute Payment Dispute Resolution. UGS shall notify
                --------------------------------------------
     the Executive in writing within ten (10) days after a notice of termination
     is given by the Company or the Executive, of the amounts of payments to be
     made by UGS under this Agreement, together with any other payments made or
     to be made by the Company to the Executive, that constitute "parachute
     payments" (as such terms are defined in Section 280G of the Internal
     Revenue Code) and the excess payments and of the amount of the reduction,
     if any, required by Section 3.6. Within thirty (30) days after the notice
     of termination is given, the Executive shall notify the Company in writing
     whether or not he agrees with the Company's calculation of the amount of
     parachute payments and excess parachute payments, and the amount of any
     reduction. If the executive does not agree with UGS' calculations, the
     Executive shall inform the Company of the amounts he believes to be the
     correct amounts. If UGS and the Executive cannot agree within forty five
     (45) days after the notice of termination is given on the amount of
     parachute payments and excess parachute payments, and on the amount of any
     reduction, the calculation of such amounts (and reduction) shall be made by
     independent tax counsel selected by the Company's independent auditors.
     Such determination shall be completed within fifteen (15) days after it is
     submitted to such independent counsel and shall be conclusive and binding
     on the parties.

     3.7 Net Payments. Any amounts required to be paid by UGS to Executive under
         -------------
this Section 3 shall be paid net of applicable federal, state and local tax
withholding

     3.8 Payment Date. Any amounts required to be paid by UGS to Executive under
         -------------
this Section 3 shall be paid in cash in a lump sum on the tenth (10th) day after
the Termination Date. If it is later determined, under the procedure set forth
in Section 3.6.1, that the amount of any reduction is less than that initially
determined by UGS, the Company shall pay the difference to the Executive in cash
within five (5) days after the amount of an reduction is finally determined. If
it is later determined, under the procedures set forth in Section 3.6.1, that
the amount of any reduction is more than that initially determined by UGS, the
Executive shall repay the difference to the Company within five (5) days after
the amount of any reduction is finally determined.

Section 4. Executive's Non-Competition and Non-Solicitation Obligations
           ------------------------------------------------------------

     4.1 Executive's Services for Exclusive Benefit of UGS. While employed by
         --------------------------------------------------
UGS, Executive shall devote Executive's full business time and best efforts to
the performance of his duties and responsibilities hereunder and shall not
engage in any other employment or business venture without the prior, written
consent of the President and Chief Executive Officer of UGS.

     4.2 Surviving Covenants. If Executive's employment at UGS is terminated by
         --------------------
either UGS or Executive for any reason except Executive's death, all covenants
set forth in this Section 4 shall survive such termination. While employed by
UGS and for a period of twelve (12) months thereafter, Executive shall not
directly or indirectly, individually or as an employee, contractor, consultant,
partner, officer, director or stockholder (other

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than as a holder of less than five percent of the equity of a publicly traded
company) or in any other capacity, engage in any of the following conduct:

          4.2.1 Non-Compete and Proprietary Rights. Perform duties as or for a
                -----------------------------------
     Competitor as defined in Section 4.6 below of UGS (i) which are in the
     industry(ies) in which Executive performed services for UGS in the most
     recent five years of Executive's UGS employment and which are the same or
     substantially similar to the duties performed by Executive at UGS; or (ii)
     which involve the use of any Confidential Information or Innovations (as
     defined in Section 5.8, below) which Executive has received, obtained or
     acquired during, or as a consequence of, Executive's employment with UGS.

     4.3 Impermissible Conduct Without Proper Approval. During the time of
         ----------------------------------------------
Executive's employment with UGS and for a period of twelve (12) months
thereafter, without the express, prior written consent of an UGS officer,
Executive shall not engage in any of the following conduct:

          4.3.1 Hiring Away UGS Employees. Hire, attempt to hire, or assist any
                --------------------------
     other person or entity in hiring or attempting to hire any current employee
     of UGS or any person who was a UGS employee during the prior six-month
     period; or

          4.3.2 Competition. Solicit, divert, or take away, in competition with
                ------------
     UGS, the business or patronage of any current UGS customer or any
     prospective customer with which Executive has had business contact during
     his employment at UGS. This restriction shall not apply to any person or
     entity who is no longer a customer or prospective customer at the time of
     any such solicitation by Executive.

     4.4 Automatic Extension of Restrictive Period. Executive agrees that if he
         ------------------------------------------
acts in violation of Section 4.2 or Section 4.3 of this Agreement, the number of
days that such violation exists will be added to any period of limitations on
the specific activities.

     4.5 Executive's Acknowledgment of Reasonableness of Limitations. Executive
         ------------------------------------------------------------
acknowledges that the limitations set forth in Section 4 of this Agreement, are
reasonable and necessary to protect the valid business interests and goodwill of
UGS. Executive further acknowledges that UGS is engaged in the business of
providing computer-aided design, engineering, and manufacturing products and
services as well as associated product data management products and services to
customers located throughout the United States and the world, and that UGS
actively solicits business and services customers throughout this territory.

     4.6 Competitor Defined. As used in this Section 4, the term "Competitor"
         -------------------
means an individual, business or any other entity or enterprise engaged in, or
having publicly announced its intent to engage in business that is substantially
similar to UGS' business, or the business of UGS' subsidiaries, partners, or
joint ventures.

Section 5. UGS' Proprietary Rights and Confidential Information
           ----------------------------------------------------

     5.1 Prohibited Use of Confidential Information or Innovations After
         ---------------------------------------------------------------
Termination. If Executive's employment at UGS is terminated by either UGS or
------------
Executive for any reason (including Executive's death), this Section 5 shall
survive such termination. Both during and after the term of Executive's
employment, Executive will not, directly or indirectly, use or disclose any
Confidential Information or Innovations, without the express, prior written
consent of an UGS officer, except as may be necessary to perform Executive's
duties for the benefit of UGS during Executive's employment with UGS. The
restrictions set forth in this Section 5.1 will last throughout Executive's
employment with UGS and for a period of 5 years following the termination of
Executive's employment, with the exception of trade secrets, trademarks,
copyrights and patents, for which the restrictions herein regarding disclosure
or use shall last in perpetuity or for such other maximum period as the law
allows.

     5.2 Return of UGS Property. Upon termination of Executive's employment,
         -----------------------
Executive will promptly return to UGS any and all UGS property in his possession
and/or control, including, but not limited to, UGS hardware, software,
documents, information and materials of any nature pertaining to Executive's
work with UGS, or relating to the business of UGS. Furthermore, Executive will
not take any software, documents or materials or copies thereof containing
Confidential Information or Innovations.

                                  Page 7 of 9
<PAGE>

     5.3 Disclosure of Innovations. Executive will promptly disclose to UGS, or
         --------------------------
its designees, in writing, all Innovations that Executive, alone or jointly with
others, creates or first reduces to practice during the period of Executive's
employment with UGS.

     5.4 UGS' Ownership of Proprietary Rights. Executive hereby assigns and
         -------------------------------------
agrees to assign to UGS, its successors and assigns, Executive's entire right,
title and interest in and to: (a) any worldwide patents, patent applications,
copyrights, trade secrets and other intellectual property rights in any
Innovations; and (b) any Moral Rights that Executive may have in or with respect
to any Innovations. Executive also waives and agrees never to assert any Moral
Rights Executive may have in or with respect to any Innovations, even after
termination of Executive's employment with UGS.

     5.5 Protection of Proprietary Rights. Executive shall do all lawful things
         ---------------------------------
to assist UGS in obtaining and enforcing patents, copyrights, trade secret
rights, and other legal protections of UGS' Innovations in any country.
Executive will execute any documents that UGS may reasonably request for use in
obtaining or enforcing such patents, copyrights, trade secret rights and other
legal protections. Executive's obligations under this Section will continue
beyond the termination of Executive's employment with UGS.

     5.6 Use of Executive's Likeness. Executive authorizes UGS to use, reuse,
         ----------------------------
and to reasonably grant others the right to use and reuse, without additional
compensation, Executive's name, photograph, likeness (including caricature),
voice, and biographical information, and any reproduction or simulation thereof,
in any media now known or hereafter developed, for valid business purposes of
UGS.

     5.7 Executive Acknowledgment of Reasonable Limitations. Executive
         ---------------------------------------------------
acknowledges that the limitations set forth in Section 5 of this Agreement are
reasonable and necessary to protect the valid business interests and goodwill of
UGS. Executive further acknowledges that UGS is in an industry in which both the
creation and use of information and innovation is critical to business success,
and that the protection of that information/innovation is a valid interest of
UGS. Executive further acknowledges that signing this Agreement is required for
his having access to UGS' confidential business and technological information.

     5.8 Definitions. As used in this Section 5, "Confidential Information"
         ------------
means all business information, technological information, intellectual
property, trade secrets and other information belonging to UGS, its parent,
subsidiaries or affiliates or relating to UGS' business, technology, customers,
vendors, or any other party with whom UGS agrees to hold information of such
party in confidence, which is not generally available to the public. Also, as
used in this Section 5, "Innovations" means all developments, improvements,
designs, original works of authorship, formulas, processes, software programs,
databases and trade secrets that relate to any services, product, systems or
other business(es) of UGS, whether or not patentable, copyrightable or
protectable as trade secrets, that Executive, alone or jointly with others,
creates or first reduces to practice during the period of Executive's employment
with UGS. Furthermore, "Moral Rights" means any right to claim authorship of a
work of authorship, to object to or prevent the modification of any such work of
authorship, or to withdraw from circulation or control the publication or
distribution of any such work of authorship. For purposes of all provisions in
this Section 5, "UGS" mean UGS, its parent, subsidiaries or affiliates.

Section 6. Miscellaneous
           -------------

     6.1 Exclusion of Property of Others. Executive will not bring to UGS or use
         --------------------------------
in the performance of his duties any documents or materials of a former employer
that are not generally available to the public or that have not been legally
transferred to UGS.

     6.2 Agreement to Testing for Controlled Substances. Executive understands
         -----------------------------------------------
and agrees that, from time to time, Executive may be tested to detect the
presence or absence of any illegal drugs or controlled substances and that the
results of any such tests shall be released to UGS.

     6.3 Successors and Assigns. This Agreement shall be binding upon and inure
         -----------------------
to the benefit of any other person, association, or entity which may hereafter
acquire or succeed to all or substantially all of the business or assets of UGS
by any means whether direct or indirect, by purchase, merger, consolidation, or
otherwise, in the same manner and to the same extent that UGS would be obligated
under this Agreement if no succession had taken place. Executive's rights and
obligations under this Agreement are personal and such rights, benefits, and
obligations

                                  Page 8 of 9
<PAGE>

of Executive shall not be voluntarily or involuntarily assigned, alienated, or
transferred by Executive, whether by operation of law or otherwise, without the
prior, written consent of an officer of UGS.

     6.4 Authorization to Deduct Amounts Owed. Upon Executive's separation from
         -------------------------------------
employment, UGS is authorized to deduct from Executive's final wages or other
monies due Executive any debts or amounts owed to UGS by Executive.

     6.5 Enforcement to Full Extent Permissible. If the scope of any provision
         ---------------------------------------
contained in this Agreement is too broad to permit enforcement of such provision
to its full extent, then such provision shall be enforced to the maximum extent
permitted by law, and the parties hereby consent that such provision may be
reformed or modified accordingly, and enforced as reformed or modified, in any
proceeding brought to enforce such provision.

     6.6 Extraordinary Relief and Remedies. Executive understands and agrees
         ----------------------------------
that UGS would be irreparably damaged and that money damages cannot fully
compensate UGS in the event that the provisions of Sections 4 or 5 of this
Agreement are violated, and agrees that UGS shall be entitled (in addition to
any other remedy to which it may be entitled, at law or in equity) to an
injunction or injunctions to redress breaches of this Agreement and to
specifically enforce the terms and provisions hereof.

     6.7 Severability. Each provision of this Agreement will be interpreted in
         -------------
such a manner as to be effective and valid under applicable law, but if any
provision of this Agreement is held to be prohibited by or invalid under
applicable law, such provision, to the extent of such prohibition or invalidity,
shall be deemed not to be a part of this Agreement, and shall not invalidate the
remainder of such provision or the remaining provisions of this Agreement.

     6.8 Jurisdiction. Any action or proceeding arising out of or relating to
         -------------
this Agreement may be commenced in any court of competent jurisdiction in St.
Louis County, Missouri, and shall be governed by and interpreted under the laws
of Missouri.

     6.9 Modification or Amendment. This Agreement may not be modified or
         --------------------------
amended except by a written instrument executed by Executive and an authorized
officer of UGS.

     IN WITNESS WHEREOF, Unigraphics Solutions Inc., Electronic Data Systems
Corporation, and Executive have executed this Personal Service Agreement to be
effective as of the Effective Date.

     Agreed to this 20th day of January, 2000 by and among:

                                              EXECUTIVE

                                              By:
                                                 ---------------------------
                                                 [insert name of Executive]

Agreed to By                                  UNIGRAPHICS SOLUTIONS INC.
Electronic Data Systems Corporation
For Purposes of Sections 2.4, 3.3.3(c),
and 3.4.3 only

By:                                           By:
   ------------------------------                ----------------------------
       Richard L. deNey                       John J. Mazzola, President and
       Vice Chairman of the Board             Chief Executive Officer

                                  Page 9 of 9

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