Document:

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                                                                    EXHIBIT 10.6

                         TRANSCORE DEFERRED OPTION PLAN

         1.       Purpose of the Plan. This plan shall be known as the TransCore
                  Deferred Option Plan. The purpose of the Plan is to attract,
                  retain and motivate the highest quality employees for
                  positions of substantial responsibility and to provide
                  additional incentives to those employees so as to promote the
                  success of the Company.

         2.       Definitions. As used herein, the following definitions shall
                  apply:

                  (a) "Administrator" shall mean the Board, or the person or
                      persons appointed by Board to serve under paragraph 15,
                      below.

                  (b) "Award Date" shall mean the effective date of the
                      Participant's Option Agreement.

                  (c) "Board" shall mean the Board of Directors of the Company.

                  (d) "Code" shall mean the Internal Revenue Code of 1986, as
                      amended.

                  (f) "Company" shall mean TransCore.

                  (g) "Employee" shall mean any employee of the Company or its
                      subsidiaries.

                  (h) "Option" shall mean an option granted pursuant to this
                      Plan to purchase one or more Shares.

                  (i) "Option Agreement" means a written agreement evidencing
                      the award of an Option under the Plan.

                  (j) "Participant" shall mean any Employee who receives an
                      Option under the Plan, as evidenced by an Option Agreement
                      entered into between such Employee and the Company.

                  (k) "Plan" shall mean the TransCore Deferred Option Plan, as
                      amended from time to time.

                  (l) "Shares" shall mean the shares of mutual funds, shares of
                      common or preferred stock of a corporation listed or
                      reported on a national securities exchange or quotation
                      system, or shares of a regulated investment company, as
                      designated and amended by the Board and referenced in
                      Appendix A. Shares may also include common or preferred
                      stock or preferred stock with

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                      warrants of the Company. In no way, however, may Shares
                      include units of any money market funds or other cash
                      equivalents. Shares subject to purchase pursuant to any
                      Option shall also include any earnings on such shares
                      subsequent to the Award Date.

                  (m) "Termination of Employment" shall mean the date on which
                      the employee ceases to perform services for the Company.

         3.       Term of Plan. The Plan shall become effective on the date it
                  is adopted by the Board and shall continue in effect until
                  terminated pursuant to paragraph 13.

         4.       Shares Subject to the Option. The aggregate number and type of
                  Shares subject to Options as approved by the Board will be
                  fully described in each Option Agreement.

         5.       Eligibility. Select Employees of the Company who meet the
                  participation guidelines as established by the Board are
                  eligible to receive Options under the Plan. Any criteria for
                  performance awards may be adopted in conjunction with this
                  Plan as long as such criteria meets the needs of the business
                  and is aligned with the strategic goals and objectives of the
                  business.

         6.       Grant of Options. The Board shall determine the number of
                  Shares to be offered from time to time and grant Options under
                  the Plan. The grant of Options shall be evidenced by written
                  Option Agreements containing such terms and provisions as
                  approved by the Board.

         7.       Time of Grant of Options. The date of Grant of an Option under
                  the Plan shall, for all purposes, be the date on which the
                  Board awards the Option, as evidenced by the execution of an
                  Option Agreement.

         8.       Option Price. The Option Price for each Share shall be
                  expressed in each Option Agreement, provided, however, the
                  Option Price shall be no lower than twenty-five percent (25%)
                  of the fair market value of a Share on the date of grant of
                  the Option. "Fair Market Value" means the value of a share of
                  Stock, determined as follows: if on the Grant Date or other
                  determination date the Stock is listed on an established
                  national or regional stock exchange, is admitted to quotation
                  on the NASDAQ National Market, or is publicly traded on an
                  established securities market, the Fair Market Value of a
                  share of Stock shall be the closing price of the Stock on such
                  exchange or in such market (the highest such closing price if
                  there is more than one such exchange or market) on the Grant
                  Date or such other determination date (or if there is no such
                  reported closing price, the Fair Market Value shall be the
                  mean between the highest bid and lowest asked prices or
                  between the high and low sale prices on such trading day) or,
                  if no sale of Stock is reported for such trading day, on the
                  next preceding day on which any sale shall

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                  have been reported. If the Stock is not listed on such an
                  exchange, quoted on such system or traded on such a market,
                  Fair Market Value shall mean the Fair Market Value of the
                  Stock [a] as determined by the Board to be equal to the share
                  price realized from the most recent private placement of
                  shares that are subject to an option grant hereunder, or [b]
                  as determined at least annually by a nationally recognized
                  appraiser or an appraiser with expertise in the industry in
                  which the Company operates (the "Appraiser"), who shall be
                  selected by the Board. The Board may require that the
                  Appraiser update its determination of the Fair Market Value in
                  the event the Board determines in good faith that the Fair
                  Market Value has changed materially since the then most recent
                  private placement or appraisal was concluded. The Company
                  shall be responsible for the fees and expenses incurred with
                  respect to any update to the most recent appraisal.

         9.       Exercise. Except as otherwise provided in an Option Agreement,
                  all Options granted under the Plan will be vested at grant and
                  therefore may be exercisable immediately, unless stated
                  otherwise by the Board.

                  The Option may be exercised in full or in part within twenty
                  years from the date on which options are granted, or such
                  shorter period as may be specified by the Board in the Option
                  Agreement.

                  Reinvested dividends shall be attributed proportionally to the
                  property subject to the Option awards and will be deemed
                  exercised when the underlying award is exercised. For example,
                  if an original grant of an Option to purchase 500 shares
                  generated 100 shares from reinvested dividends, an exercise of
                  one-fourth of the originally granted options will result in
                  the purchase of 150 shares in order to proportionally include
                  the resulting reinvested dividends.

                  The Participant shall have the right to receive in-kind
                  distributions upon exercise as the ordinary means of
                  distribution. Other means of distribution such as cash may be
                  authorized by the Board on a case-by-case basis.

                  In addition, all Options granted under the Plan may only be
                  exercised subject to any other terms specified in the Option
                  Agreement and if such terms conflict with the terms of this
                  Plan, the terms of the Option Agreement control.

         10.      Limitations on Option Disposition. Any Option granted under
                  the Plan and the rights and privileges conferred therewith
                  shall not be sold, transferred, encumbered, hypothecated or
                  otherwise alienated by the Participant other than by gift or
                  will or the laws of descent and distribution. Options shall
                  not be subject to, in whole or in part, the debts, contracts,
                  liabilities, or torts of the Participant, nor shall they be
                  subject to garnishment, attachment, execution, levy or other
                  legal or equitable process.

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         11.      Limitations on Option Exercise and Distribution. In the event
                  that the listing, registration or qualification of an Option
                  or Shares on any securities exchange or under any state or
                  federal law, or the consent of approval of any governmental
                  regulatory body, or the availability of any exemption
                  therefrom, is necessary as a condition of, or in connection
                  with, the exercise of an Option, then the Option shall not be
                  exercised in whole or in part until such listing,
                  registration, qualification, consent or approval has been
                  effected or obtained. Notwithstanding any provision of the
                  Plan to the contrary, the Company shall have no obligation or
                  liability to deliver any Shares under the Plan unless such
                  delivery would comply with all applicable laws and all
                  applicable requirements of any securities exchange or similar
                  entity

         12.      Withholding of Taxes. The Board may make such provisions and
                  take such steps as it may deem necessary or appropriate for
                  the withholding of any taxes which the Company is required by
                  any law or regulation of any governmental authority, whether
                  federal, state or local, domestic or foreign, to withhold in
                  connection with any Option issued under the Plan including,
                  but not limited to, the withholding of the issuance of all or
                  any portion of such Shares until the Participant reimburses
                  the Company for the amount the Company is required to withhold
                  with respect to such taxes, canceling any portion of such
                  issuance in an amount sufficient to reimburse itself for the
                  amount it is required to so withhold, or taking any other
                  action reasonably required to satisfy the Company's
                  withholding obligation.

         13.      Modification of Option or Plan. The Board may, at any time and
                  from time to time, amend, suspend or terminate the Plan as to
                  any shares of Stock as to which Grants have not been made.
                  Except as permitted under this Section 16 hereof, no
                  amendment, suspension or termination of the Plan shall,
                  without the consent of the Grantee, alter or impair rights or
                  obligations under any Grant awarded under the Plan.

         14.      Substitution of Option. If a Participant has been granted an
                  Option to purchase Shares under an Option Agreement, then
                  except as limited by the terms of the Option Agreement or
                  Plan, the Participant may direct that the Option be converted
                  into an Option to purchase other Shares as permitted by the
                  Option Agreement with written consent of the Board. Such
                  substitution shall only be allowed to the extent that,
                  immediately following the substitution, the difference between
                  the fair market value of the Shares subject to the substituted
                  Option and the exercise price of the substituted Option is no
                  greater than the difference which existed immediately prior to
                  the substitution between the fair market value of the Shares
                  subject to the original Option and the exercise price of the
                  original Option. In no event shall a participant be permitted
                  to make substitutions more often than annually.

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         15.      Administration of the Plan. The Board, in its sole discretion,
                  is authorized to select the Employees who will receive Options
                  and to determine the number of Options and the number of
                  Shares under each Option. The Board, or the person or persons
                  appointed by the Board to serve as Administrator, shall be the
                  Administrator of the Plan. The Administrator, in its sole
                  discretion, is authorized to interpret the Plan, to prescribe,
                  amend and rescind rules and regulations relating to the Plan
                  and to the Options granted under the Plan, to determine the
                  form and content of Options to be issued under the Plan, and
                  to make such other determinations and exercise such other
                  power and authority as may be necessary or advisable for the
                  administration of the Plan. No fee or compensation shall be
                  paid to any person for services as the Administrator. The
                  Administrator in its sole discretion may delegate and pay
                  compensation for services rendered relating to the ministerial
                  duties of plan administration including, but not limited to,
                  selection of investments available under the Plan. Any
                  determination made by the Administrator pursuant to the powers
                  set forth herein are final, binding and conclusive upon each
                  Participant and upon any other person affected by such
                  decision, subject to the claims procedure hereinafter set
                  forth. The Administrator shall decide any question which may
                  arise regarding the rights of employees, Participants and
                  beneficiaries, and the amounts of their respective interests,
                  adopt such rules and to exercise such powers as the
                  Administrator may deem necessary for the administration of the
                  Plan, and exercise any other rights, powers or privileges
                  granted to the Administrator by the terms of the Plan. The
                  Administrator shall maintain full and complete records of its
                  decisions. Its records shall contain all relevant data
                  pertaining to the Participant and his rights and duties under
                  the Plan. The Administrator shall have the duty to maintain
                  Account records or all Participants. The Administrator shall
                  cause the principal provisions of the Plan to be communicated
                  to the Participants and a copy of the Plan and other documents
                  shall be available at the principal office of the Company for
                  inspection by Participants at reasonable times determined by
                  the Administrator.

         16.      Continued Employment Not Presumed. Nothing in the Plan or any
                  document describing it nor the grant of an Option via an
                  Option Agreement shall give any Participant the right to
                  continue in employment with the Company or affect the right of
                  the Company to terminate the employment of any such person
                  with or without cause.

         17.      Governing Law. The Plan shall be governed by and construed in
                  accordance with the laws of Pennsylvania.

         18.      Severability of Provisions. Should any provision of the Plan
                  be determined to be invalid, illegal or unenforceable, such
                  invalidity, illegality or unenforceability shall not affect
                  the remaining provisions of the Plan, but shall be fully
                  severable, and the Plan shall be construed and enforced as if
                  such provision had never been inserted herein.

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         19.      Hedge of Liability Created by the Option Plan. At the sole
                  discretion of the Board, the liability created by the exercise
                  of the Options issued pursuant to the Option Plan may be
                  offset by the Company entering into a hedging transaction. The
                  hedging transaction may consist of the Company purchasing all
                  or part of the Shares subject to the Options issued pursuant
                  to the Plan, at date of grant of the Options or at any time
                  during the Option exercise period.

         20.      Claims Procedure. In general, any claim for benefits under the
                  Plan shall be filed by the Participant or beneficiary
                  ("claimant") on the form prescribed for such purpose with the
                  Administrator. If a claim for benefits under the Plan is
                  wholly or partially denied, notice of the decision shall be
                  furnished to the claimant by the Administrator within a
                  reasonable period of time after receipt of the claim by the
                  Administrator. The claims procedure shall be as follows:

                           (a)      Any claimant who is denied a claim for
                                    benefits shall be furnished written notice
                                    setting forth:

                                    (i)   the specific reason or reasons for the
                                          denial;

                                    (ii)  specific reference to the pertinent
                                          provision of the Plan upon which the
                                          denial is based;

                                    (iii) a description of any additional
                                          material or information necessary for
                                          the claimant to perfect the claim; and

                                    (iv)  an explanation of the claim review
                                          procedure under the Plan.

                           (b)      In order that a claimant may appeal a denial
                                    of a claim, the claimant or the claimant's
                                    duly authorized representative may:

                                    (i)   request a review by written
                                          application to the Administrator, or
                                          its designate, no later than sixty
                                          (60) days after receipt by the
                                          claimant of written notification of
                                          denial of a claim;

                                    (ii)  review pertinent documents; and

                                    (iii) submit issues and comments in writing.

                           (c)      A decision on review of a denied claim shall
                                    be made not later than sixty (60) days after
                                    receipt of a request for review, unless
                                    special circumstances require an extension
                                    of time for processing, in which case a
                                    decision shall be rendered within a
                                    reasonable period of time, but not later
                                    than one hundred and twenty (120) days after
                                    receipt of a request for review. The
                                    decision on a review shall be in writing and
                                    shall include the specific reason(s) for the
                                    decision and the specific reference(s) to
                                    the pertinent provisions of the Plan on
                                    which the decision is based.

         22.      Designation of Beneficiary. A Participant, by filing the
                  prescribed form with the Administrator (See Exhibit B), may
                  designate one or more beneficiaries and

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                  successor beneficiaries who shall be given the right to
                  exercise Options in accordance with the terms of the Plan in
                  the event of the Participant's death. In the event the
                  Participant does not file a form designating one or more
                  beneficiaries, or no designated beneficiary survives the
                  Participant, the Option shall be exercisable by the individual
                  to whom such right passes by will or the laws or descent and
                  distribution.

         23.      Intent. The Plan is intended to be unfunded and maintained by
                  the Company solely to provide options to a select group of
                  management or highly compensated employees as such group is
                  described under Sections 201(2), 301(a)(3), and 401(a)(1) of
                  the Employee Retirement Income Security Act of 1974 ("ERISA")
                  as interpreted by the U.S. Department of Labor. The Plan is
                  not intended to be a plan described in Sections 401(a) or 457
                  of the Code. The obligation of the Company to deliver Shares
                  subject to the Options granted under this Plan constitutes
                  nothing more than an unsecured promise of the Company to
                  fulfill such obligations and any property of the Company that
                  may be set aside to permit it to fulfill such obligations
                  under the Plan shall, in the event of the Company's bankruptcy
                  or insolvency, remain subject to the claims of the Company's
                  general creditors until such Options are exercised. At the
                  discretion of the Administrator, the individual assets of the
                  Plan for any or all Participants may be placed in a rabbi
                  trust, which meets the guidelines of Revenue Procedure 92-64.

         24.      Option Financing. Upon the exercise of any Option granted
                  under the Plan, the Participant may request that the Company
                  sell or deem to sell a number of Shares otherwise deliverable
                  to the Participant and attributable to the exercise of the
                  Option in order to pay the exercise price of the Option. The
                  Board may, in its sole discretion, make financing available to
                  the Participant to facilitate the exercise of the Option,
                  subject to such terms as the Board may specify.

                               ******************

         As evidence of its adoption of the Plan, TransCore has caused this
instrument to be signed by its officer of representative duly authorized on this
28th day of June, 2000.

                                                TransCore

                                                By:   /s/ DAVID SPARKS
                                                      _________________________

                                                Title:  EXECUTIVE VICE PRESIDENT
                                                       _________________________

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                                   APPENDIX A

            SHARES AVAILABLE TO THE COMPANY FOR GRANT OR SUBSTITUTION

Description

TransCore Series A-1 Preferred Shares with warrants

TransCore Deferred Option Plan

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                                 FIRST AMENDMENT
                                     TO THE
                         TRANSCORE DEFERRED OPTION PLAN

WHEREAS, TransCore (hereinafter referred to as the "Employer") maintains the
TransCore Deferred Option Plan (hereinafter referred to as the "Plan") as
effective June 28, 2000; and

WHEREAS, the Employer desired to amend the Plan to revise the terms and
conditions of the Plan.

NOW THEREFORE, pursuant to Section 13 of the Plan, the Plan is hereby amended as
follows:

Section 10 shall read:

      Succession and Transferability. Except as otherwise provided in this
      paragraph, the Option and the rights and privileges conferred herewith
      shall not be sold, transferred, encumbered, hypothecated or otherwise
      anticipated by the Participant other than by will or the laws of descent
      and distribution, and during the Participant's life, may be exercised only
      by the Participant. However, the Participant, with the Approval of the
      Committee, may transfer by gift any Option or part thereof to (a) a member
      or members of the Participant's Immediate Family and/or to a trust
      established for the benefit of an Immediate Family member or members, or
      (b) a charitable organization described in Section 170(c) of the Internal
      Revenue Code of 1986, as amended from time to time, provided such transfer
      is irrevocable, is made without consideration, and each Option so
      transferred by the Participant remains subject after transfer to the
      provisions of the Plan. The term "Immediate Family" shall mean the
      Participant's spouse, parents, children, stepchildren, adoptive
      relationships, sisters, brothers and grandchildren. This Option is not
      liable for or subject to, in whole or in part, the debts, contract,
      liabilities or torts of the Participant, nor shall it be subject to
      garnishment, attachment, execution, levy or other legal or equitable
      process. Following transfer, any such Options shall continue to be subject
      to the same terms and conditions as were applicable immediately prior to
      the transfer. The provisions with respect to termination of employment set
      forth in Section 16 shall continue to apply with respect to the
      Participant, in which event the Options shall be exercisable by the
      transferee only to the extent and for the periods specified herein. The
      participant will remain subject to withholding taxes upon exercise of any
      such Option by the transferee. The Company shall have no obligation
      whatsoever to provide notice to any transferee of any matter, including
      without limitation, early termination of an Option on account of
      termination of employment of the participant.

IN WITNESS WHEREOF, the Employer has executed and adopted this First Amendment
on this day of _____________, 2002.

TRANSCORE:

BY:  /s/ Claudia F. Wiegand

TITLE: Executive Vice President<PAGE>

                                                                    EXHIBIT 10.7

                    TRANSCORE 1999 EMPLOYEE RETENTION PLAN B

      This TransCore 1999 Employee Retention Plan B (the "PLAN") is adopted as
of the Effective Date, as defined below, with reference to the following facts:

                                    RECITALS

      A. Science Applications International Corporation, a Delaware corporation
("SAIC"), has agreed to sell Syntonic Technology, Inc., a Delaware corporation
doing business as "TransCore" ("SYNTONIC"), JHK & Associates, Inc. and certain
other assets and operations currently owned by SAIC (collectively, "TRANSCORE"),
to TransCore Holdings, Inc., a Delaware corporation ("BUYER"), pursuant to a
Stock Purchase Agreement dated September 2, 1999, among SAIC, Syntonic and Buyer
("STOCK PURCHASE AGREEMENT").

      B. Prior to the sale of TransCore, certain employees and consultants of
TransCore (collectively, the "EMPLOYEES") were granted awards of vesting shares
of SAIC's class A common stock ("SAIC STOCK"), vesting options to purchase SAIC
Stock, "Share Unit" interests in SAIC Stock, or some combination of the
foregoing, among other things, under certain benefit plans established and
maintained by SAIC.

      C. As a result of the sale of TransCore to Buyer and TransCore's
termination of affiliation with SAIC, Employees with unvested benefits under the
benefit plans adopted by SAIC will not vest in such unvested benefits under such
benefit plans after the closing date of the sale.

      D. To motivate and reward future efforts of TransCore Employees, TransCore
desires to provide for the payment of certain benefits to Employees who will not
acquire vested rights in certain benefit plans established and maintained by
SAIC, all on the terms and conditions set forth in this Plan.

                                      PLAN

      1.    Definitions.

            (a) Covered SAIC Plans. "COVERED SAIC PLANS" shall mean:

                  (i) SAIC 1984 Bonus Compensation Plan, as amended and restated
on April 2, 1991 and July 9, 1999;

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                  (ii) SAIC Stock Compensation Plans, consisting of the Stock
Compensation Plan and the Management Stock Compensation Plan;

                  (iii) SAIC 1992 Stock Option Plan;

                  (iv) SAIC 1995 Stock Option Plan; and

                  (v) SAIC 1998 Stock Option Plan.

            (b) Effective Date. The "EFFECTIVE DATE" of this Plan shall mean the
date immediately following the date SAIC transfers legal and beneficial title to
the stock of TransCore to Buyer in accordance with the Stock Purchase Agreement.

            (c) Eligible Participants. The "ELIGIBLE PARTICIPANTS" shall mean
those Employees of TransCore or its affiliates or subsidiaries as of the
Effective Date who have been granted, but not yet vested in, benefits under any
of the Covered SAIC Plans. Notwithstanding the foregoing, Eligible Participants
shall exclude any individual participating in the TransCore 1999 Employee
Retention Plan A.

            (d) Fixed Benefit. The "FIXED BENEFIT" shall mean the cash benefit
described in Section 2(a).

            (e) Payment Date. The "PAYMENT DATE" shall mean the date which is
five years after the Effective Date.

            (f) Phantom Share Value. The "PHANTOM SHARE VALUE" shall mean the
fair market value of a share of common stock of TransCore, determined by the
Board of Directors of TransCore in its discretion.

            (g) Phantom Stock Option. A "PHANTOM STOCK OPTION" shall mean a
right to receive from TransCore, in exchange for a designated exercise price, a
cash payment based on the Phantom Share Value.

            (h) Plan Benefits. "PLAN BENEFITS" shall mean the benefits payable
to Eligible Participants arising under Section 2 hereof, which shall consist of
Fixed Benefits and Phantom Stock Options.

            (i) Fundamental Change in Ownership. A "FUNDAMENTAL CHANGE IN
OWNERSHIP" shall mean (A) any sale or transfer of more than 50% of the assets of
Buyer and its subsidiaries on a consolidated basis (measured either by book
value in accordance with generally accepted accounting principles consistently
applied or by fair market value determined in the reasonable good faith judgment
of the Board of Directors of Buyer) in any transaction or series of transactions
(other than sales in the ordinary course of business), and (B) any merger or
consolidation to which Buyer is a party, except for a merger in which

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Buyer is the surviving corporation, the terms of the Preferred Stock are not
changed and the Preferred Stock are not exchanged for cash, securities or other
property, and after giving effect to such merger, the holders of Buyer's
outstanding capital stock possessing a majority of the voting power (under
ordinary circumstances) to elect a majority of Buyer's Board of Directors
immediately prior to the merger shall continue to own Buyer's outstanding
capital stock possessing the voting power (under ordinary circumstances) to
elect a majority of Buyer's Board of Directors.

            (j) Public Offering. A "PUBLIC OFFERING" shall mean any bona fide,
firm commitment underwritten offering by Buyer of its capital stock or equity
securities to the public pursuant to an effective registration statement under
the Securities Act of 1933, as then in effect, or any comparable statement under
any similar federal statute then in force which results in net proceeds in
excess of $20,000,000 and results in a market capitalization of Buyer of not
less than $50,000,000.

            (k) Organic Change. An "ORGANIC CHANGE" shall mean any
recapitalization, reorganization, reclassification, consolidation, merger, sale
of all or substantially all of Buyer's assets to another Person or other
transaction which is effected in such a way that holders of Common Stock are
entitled to receive (either directly or upon subsequent liquidation) stock,
securities or assets with respect to or in exchange for Common Stock.

            (l) Liquidation Event. A "LIQUIDATION EVENT" shall mean any
liquidation, dissolution or winding up of Buyer (whether voluntary or
involuntary).

            (m) Person. A "PERSON" shall mean an individual, a partnership, a
corporation, a limited liability company, a limited liability partnership, an
association, a joint stock company, a trust, a joint venture, an unincorporated
organization and a governmental entity or any department, agency or political
subdivision thereof.

            (n) Common Stock and Preferred Stock. "COMMON STOCK" shall mean the
Class A Common Stock, par value of $0.001 per share and the Class B Common
Stock, par value of $0.001 per share of Buyer and "PREFERRED STOCK" shall mean
the Class A Redeemable Preferred Stock, having a par value of as set forth in
the certificate of designation filed to establish such series of Buyer the Class
B-1 Convertible Preferred Stock, having a par value of as set forth in the
certificate of designation filed to establish such series.

      2. Calculation of Plan Benefits. The Plan Administrator (which shall be
TransCore or a committee, individual or corporate designee appointed by
TransCore) shall determine the Plan Benefits payable to each Eligible
Participant. Except as provided in Section 13, the Plan Administrator's
determination of such Plan Benefits shall be final and conclusive.

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            (a) Fixed Benefits. The amount of Fixed Benefits payable to an
Eligible Participants shall be calculated as the sum of the assumed values
determined under Sections 2(a)(i), (ii) and (iii) below ("ASSUMED VALUE"), plus
eight percent (8%) interest compounded annually on the unpaid balance until the
Payment Date:

                  (i) Stock Options. The value of each unvested option to
purchase SAIC Stock granted to such Eligible Participant under any Covered SAIC
Plan, calculated as the sum of: (1) the excess of (i) the formula price per
share of SAIC Stock in effect on the Effective Date over (ii) the exercise price
with respect to such unvested option and (2) the present value, as of the
Effective Date, of the potential future appreciation of such unvested option
determined by assuming that, from the Effective Date until the expiration date
of such option, the price per share of SAIC Stock will appreciate six percent
(6%) per annum and, for purposes of such present value calculation, utilizing a
discount rate of six percent (6%).

                  (ii) Bonus Compensation Plan Stock. The value of all unvested
shares of SAIC Stock granted to such Eligible Participant under the SAIC 1984
Bonus Compensation Plan (as amended), calculated as (i) the number of unvested
shares held by such Eligible Participant multiplied by (ii) the formula price
per share of SAIC Stock in effect on the Effective Date.

                  (iii) Stock Compensation Plans. The value of such Eligible
Participant's unvested balances in the SAIC Management Stock Compensation Plan
or the SAIC Stock Compensation Plan (as applicable), calculated as (i) the
number of Share Units (as that term is defined in such SAIC Stock Compensation
Plan) attributable to such Eligible Participant multiplied by (ii) the formula
price per share of SAIC Stock in effect on the Effective Date.

            (b) Phantom Stock Options.

                  (i) Phantom Stock Options shall permit an Eligible Participant
to receive, on or after the Payment Date, in exchange for payment of the
Exercise Price, a payment in cash equal to the Phantom Share Value for each
Phantom Stock Option granted hereunder.

                  (ii) The number of Phantom Stock Options granted to an
Eligible Participant shall be equal to 1 for each $100 of Assumed Value as
determined in 2(a) above. The exercise price of each Phantom Stock Option shall
be $0.10 ("EXERCISE PRICE"). Both the Exercise Price and number of Phantom Stock
Options awarded to an Eligible Participant shall be appropriately adjusted in
the discretion of the Board of Directors of TransCore, in the event of certain
changes in capitalization of TransCore including a change in the number of
shares of common stock resulting from a stock split, stock dividend, combination
of shares or other change, or any exchange for other

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securities or any reclassification, reorganization, redesignation or otherwise.
Any such adjustment made by the Board of Directors shall be final and
conclusive.

                  (iii) All Phantom Stock Options shall fully vest and may be
exercised in connection with a Fundamental Change in Ownership, Public Offering,
Organic Change or Liquidation Event.

                  (iv) Effective upon the closing of a Public Offering of
TransCore shares, TransCore shall substitute options to purchase actual
TransCore shares for all outstanding but unexercised Phantom Stock Options. Such
substitution shall not impair an Eligible Participant's right to exercise any or
all of the outstanding but unexercised Phantom Stock Options granted to the
Eligible Participant hereunder, which shall be 100% vested pursuant to Section
2(b)(iii) above, prior to the closing of the Public Offering.

      3. Vesting of Plan Benefits. Vesting in Plan Benefits shall be as follows:

            (a) Fixed Benefits. Fixed Benefits shall become 100% vested on the
first anniversary of the Effective Date or, if earlier, upon the death or
permanent disability of the Eligible Participant or as may be set forth in an
Eligible Participant's written employment agreement.

            (b) Phantom Stock Options. Phantom Stock Options shall vest 20% on
each of the first, second and third anniversaries of the Effective Date, and
forty percent (40%) on the fourth anniversary of the Effective Date.
Notwithstanding the foregoing to the contrary, Phantom Stock Options shall
become 100% vested upon the death or permanent disability of the Eligible
Participant or vest in such other manner as may be set forth in an Eligible
Participant's written employment agreement (which agreement shall control to the
extent inconsistent with the vesting provisions herein).

            (c) Continuous Employment. Plan Benefits (whether Fixed Benefits or
Phantom Stock Options) shall be paid only to Eligible Participants who are
continuously employed by TransCore or its affiliates or subsidiaries at all
times after the Effective Date through and including the relevant anniversary as
specified in Sections 3(a) and (b) above. Any Plan Benefits which have not
vested shall be forfeited if an Eligible Participant's continuous employment
terminates. For purposes of determining whether Plan Benefits are vested, death,
permanent disability, or approved military, family or medical leave by an
Eligible Participant shall be deemed part of continuous employment solely for
purposes of the immediately preceding sentence. Except as may be set forth in an
Eligible Participant's written employment agreement, any other termination of
employment, whether voluntary or otherwise, shall result in forfeiture of any
unvested Plan Benefits.

                                       5
<PAGE>

      4. Time of Payment of Plan Benefits. Fixed Benefits payable hereunder
shall be paid within 45 days after the fifth anniversary of the Effective Date.
Phantom Stock Options shall be payable in accordance with their terms.

      5. Form of Payment. All payments of Plan Benefits shall be made in cash,
subject to applicable deductions, tax and other withholdings and other
adjustments.

      6. Payment to Guardian. If at any time an Eligible Participant is the
subject of a conservatorship or other fiduciary responsible for the management
and control of such person's financial affairs, amounts payable to such person
shall be paid to such conservator or fiduciary until such person is no longer
the subject of such conservatorship or fiduciary.

      7. Payment Upon Death.

            (a) Beneficiary Designations. Upon forms provided by TransCore, each
Eligible Participant shall designate in writing the beneficiary or beneficiaries
whom such Eligible Participant desires to receive the Plan Benefits payable
under the Plan, if any, in the event of the death of an Eligible Participant. An
Eligible Participant may change his or her designated beneficiary or
beneficiaries from time to time without the consent of such beneficiary or
beneficiaries by filing a new designation in writing with TransCore on forms
prescribed for that purpose, provided, however, that if a married Eligible
Participant desires to designate an individual other than his or her spouse as
beneficiary, such designation shall not be effective unless consented to in
writing by such Eligible Participant's spouse. Notwithstanding the foregoing,
spousal consent shall not be necessary if it is established to the satisfaction
of TransCore that there is no spouse of the Eligible Participant or that the
required consent cannot be obtained because the spouse cannot be located or is
legally incompetent. TransCore may rely upon the designation of beneficiary or
beneficiaries last filed by the Eligible Participant in accordance with this
Plan.

            (b) Default Beneficiaries. If the designated beneficiary does not
survive the Eligible Participant, or if there is not valid beneficiary
designation, amounts payable under the Plan shall be paid to the Eligible
Participant's spouse, or if there is not a surviving spouse, then to the duly
appointed and currently acting personal representative of the Eligible
Participant's estate. If there is no personal representative of the
Participant's estate duly appointed, then payments under the Plan shall be made
to the person or persons who can verify by affidavit or court order to the
satisfaction of TransCore that they are legally entitled to receive the benefits
specified hereunder pursuant to the laws of intestate succession or other
statutory provision in effect at the Eligible Participant's death in the state
in which the Eligible Participant resides.

      8. No Enlargement of Employment Rights.

                                       6
<PAGE>

            (a) Voluntary Plan. This Plan is a strictly voluntary undertaking on
the part of TransCore and shall not be deemed to be consideration for, or an
inducement to, or a condition of, the employment of any Employee.

            (b) No Continued Employment Right. Nothing in this Plan shall confer
upon any Employee any right to continue in the employment or affiliation with
TransCore nor constitute any promise or commitment by TransCore regarding future
positions, work assignments, compensation or any other term or condition of
employment or affiliation.

            (c) No Other Rights. No person shall have any rights under this Plan
except as specifically provided herein and, with respect to vesting, as may be
set forth in an employment agreement. No Eligible Participant shall have any
rights under this Plan to receive any benefit or other rights, except a payment
in cash on the terms set forth herein.

      9. No Tax Advice. TransCore makes no representation regarding taxation to
any Eligible Participant of any payments provided under this Plan.

      10. Delivery of Payments. All payment under this Plan shall be delivered
in person or mailed to the last address of the Eligible Participant (or in the
case of the death or conservatorship of the Eligible Participant, to the address
of the person entitled thereto as shown on the records of TransCore). Each
Eligible Participant shall be responsible for furnishing TransCore with his or
her current address and the correct current name and address of any Beneficiary
or Beneficiaries.

      11. Plan Amendments. The Plan Benefits provided hereunder may not be
withdrawn, revoked or modified in any manner which alters the eligibility
provisions hereof in any manner detrimental to a TransCore employee, reduces
Plan Benefits or delays the time for payment of Plan Benefits hereunder without
the affected Eligible Participant's prior written consent.

      12. Governing Law. This Plan and all questions arising thereunder shall be
interpreted in accordance with the laws of the State of Delaware, without regard
to the doctrine of conflicts of law.

      13. Records. The records of (i) TransCore and SAIC with respect to
eligibility to participate in this Plan and (ii) of SAIC with regard to the
calculation of the Plan Benefits payable hereunder shall be binding and
conclusive on all Eligible Participants, beneficiaries and all other persons
whomsoever.

      14. Severability. If any particular provision of this Plan shall be found
to be illegal or unenforceable, such provision shall not affect the other
provisions of the Plan, but the Plan shall be interpreted in all respects as if
such invalid provision were omitted.

                                       7
<PAGE>

                                      * * *

      The Plan was duly adopted and approved by the Board of Directors of the
Company as of the 3rd day of September, 1999, to be effective as of September 4,
1999.

                                    /s/ Claudia F. Wiegand
                                    --------------------------------------------
                                    Secretary

                                       8

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