Document:

<PAGE>

                                                                    Exhibit 10.6

                  Amendment to Catellus Development Corporation
                  ---------------------------------------------
         Amended and Restated Executive Stock Option Plan ("Amendment")
         --------------------------------------------------------------

Pursuant to that certain Resolution adopted by the Board of Directors of
Catellus Development Corporation (the "Company") dated September 26, 2001,
Section 11 of the Company's Amended and Restated Executive Stock Option Plan (as
amended and restated, the "Plan") is hereby amended and restated, effective as
of September 26, 2001, in its entirety as follows:

         "11.  Non-Transferability of Options
               ------------------------------

                  A Participant's rights and interests under this Plan
         (including the right to exercise unexercised Options) may not be
         assigned or transferred except, (i) in the case of a Participant's
         death, to the person or persons who shall have been designated by the
         Participant as a beneficiary or beneficiaries with respect to the
         option upon forms provided by and subject to conditions imposed by the
         Company or, in the absence of a beneficiary designation, to the person
         or persons to whom the option shall have been transferred by will or by
         the laws of descent and distribution or (ii) pursuant to a qualified
         domestic relations order as defined by the Code, or Title I of the
         Employee Retirement Income Security Act of 1974, or the rules
         thereunder."

Except as modified by this Amendment, all of the provisions of the Plan shall
continue in full force and effect and are incorporated herein by reference.<PAGE>

                                                                    Exhibit 10.7

                  Amendment to Catellus Development Corporation
                  ---------------------------------------------
         Amended and Restated 1996 Performance Award Plan ("Amendment")
         --------------------------------------------------------------

Pursuant to that certain Resolution adopted by the Board of Directors of
Catellus Development Corporation (the "Company") dated September 26, 2001,
Section 6(a)(1) of the Company's Amended and Restated 1996 Performance Award
Plan (as amended and restated, the "Plan") is hereby amended and restated,
effective as of September 26, 2001, in its entirety as follows:

                  "(1) Nonassignability. The Award shall not be assignable nor
        transferable, except (A) by will or by the laws of descent and
        distribution, or (B) pursuant to a QDRO or any other exception to
        transfer restrictions expressly permitted by the Committee and set forth
        in the Award Agreement (or an amendment thereto), or (C) in the case of
        Awards constituting Incentive Stock Options, as permitted by the Code.
        The restrictions on exercise and transfer shall not be deemed to
        prohibit, to the extent permitted by the Committee, transfers without
        consideration for estate planning, financial planning, and charitable
        purposes, nor transfers to such other persons or in such other
        circumstances as the Committee may in the Award Agreement expressly
        permit. During the lifetime of a Participant the Award shall be
        exercised only by such Participant or by his or her guardian or legal
        representative, except as expressly otherwise provided consistent with
        the foregoing transfer restrictions. A Participant may designate a
        Beneficiary or Beneficiaries to receive the Participant's benefits under
        the Plan in the event of the Participant's death upon forms provided by
        and subject to conditions imposed by the Corporation and the designation
        of a Beneficiary or Beneficiaries hereunder shall not constitute a
        transfer prohibited by the foregoing provisions."

Except as modified by this Amendment, all of the provisions of the Plan shall
continue in full force and effect and are incorporated herein by reference.<PAGE>

                                                                    Exhibit 10.8

                  Amendment to Catellus Development Corporation
                  ---------------------------------------------
                    2000 Performance Award Plan ("Amendment")
                    -----------------------------------------

Pursuant to that certain Resolution adopted by the Board of Directors of
Catellus Development Corporation (the "Company") dated September 26, 2001,
Section 6(a)(1) of the Company's 2000 Performance Award Plan (the "Plan") is
hereby amended and restated, effective as of September 26, 2001, in its entirety
to provide as follows:

                  "(1) Nonassignability. The Award shall not be assignable nor
        transferable, except (A) by will or by the laws of descent and
        distribution, or (B) pursuant to a QDRO or any other exception to
        transfer restrictions expressly permitted by the Committee and set forth
        in the Award Agreement (or an amendment thereto), or (C) in the case of
        Awards constituting Incentive Stock Options, as permitted by the Code.
        The restrictions on exercise and transfer shall not be deemed to
        prohibit, to the extent permitted by the Committee, transfers without
        consideration for estate planning, financial planning, and charitable
        purposes, nor transfers to such other persons or in such other
        circumstances as the Committee may in the Award Agreement expressly
        permit. During the lifetime of a Participant the Award shall be
        exercised only by such Participant or by his or her guardian or legal
        representative, except as expressly otherwise provided consistent with
        the foregoing transfer restrictions. A Participant may designate a
        Beneficiary or Beneficiaries to receive the Participant's benefits under
        the Plan in the event of the Participant's death upon forms provided by
        and subject to conditions imposed by the Corporation and the designation
        of a Beneficiary or Beneficiaries hereunder shall not constitute a
        transfer prohibited by the foregoing provisions."

Except as modified by this Amendment, all of the provisions of the Plan shall
continue in full force and effect and are incorporated herein by reference.EXHIBIT 10.14

TO:       Timothy J. Beaudin

FROM:     Nelson C. Rising

DATE:     February 7, 2001

SUBJECT:  Memorandum of Understanding regarding Employment

--------------------------------------------------------------------------------

     This Memorandum of Understanding ("Memorandum") sets forth the terms of
your employment with Catellus Development Corporation (the "Company") or its
subsidiary. This Memorandum supersedes, in their entirety, all previous
agreements and understandings concerning your employment except the Indemnity
Agreement referenced in Section 8 below and any stock option agreements you have
with the Company; provided, however, that the provisions of this Memorandum
regarding vesting of stock options in the event of termination of your
employment shall supersede such provisions of your stock option agreements.

     Effective upon your execution of this Memorandum, the following provisions
shall govern your employment with the Company or a subsidiary:

1.   Title; Responsibilities and Duties. You are a full-time, regular employee
     ----------------------------------
of the Company with the title of President of Catellus Commercial Group, LLC, a
subsidiary of the Company ("CCG"), and you shall be expected to handle such
responsibilities and perform such duties as I shall assign from time to time
consistent with those you were handling and performing as of September 30, 2000.
If you become an employee of a subsidiary of the Company, the Company will
nevertheless be bound by the terms of this Memorandum.

2.   At-Will Employment. You acknowledge and agree that your employment is
     ------------------
at-will and that either the Company or you, at any time, with or without cause,
may terminate the employment relationship, including all compensation and
benefits. However, should your employment terminate, Section 10 below shall
apply.

3.   Salary. Effective January 1, 2000, you shall be paid at the annualized
     ------
salary rate of at least $325,000. Your salary shall be payable in accordance
with the Company's normal payroll practices and subject to all applicable tax
withholding requirements. Your salary will be reviewed in the first quarter of
each year starting in 2001 and, if appropriate, it will be increased retroactive
to January 1 of that year. Your salary, as it may be increased from time to time
in the sole discretion of the Company, shall be referred to as your "Base
Salary."

4.   Bonuses.
     -------

     4.1  Annual Bonuses. You are eligible to receive an annual maximum cash
          --------------
bonus for each calendar year of employment of up to two hundred percent (200%)
of your Base Salary, subject to satisfaction of target performance criteria
determined each year by the Company. The performance criteria may relate to
individual goals, Company or division goals, or a combination thereof and shall
be established and communicated to you within the first 90 days after the start
of each calendar year. Such bonuses shall be paid no later than March 31 of the

<PAGE>

Timothy J. Beaudin
Memorandum of Understanding regarding Employment
February 7, 2001
Page 2 of 14

following year and are subject to all applicable tax withholding requirements.
Except as provided in Section 10, no bonus shall be payable if your employment
terminates or you resign prior to the close of the calendar year to which such
bonus relates.

     4.2  Special Bonuses. In addition, you shall receive a special bonus in an
          ---------------
amount equal to $166,667 on each of April 6, 2002, April 6, 2003, and April 6,
2004, but only if (i) you have remained continuously employed by the Company
throughout the period beginning on the date of this Memorandum and ending on the
date the special bonus payment is otherwise due, and (ii) you have not sold any
Common Stock of the Company on or before the date the special bonus payment is
otherwise due unless that stock was acquired pursuant to the exercise of an
option that was scheduled to expire by its terms within one year of the date of
exercise. You acknowledge and agree that any special bonus paid pursuant to this
paragraph will not be taken into account for purposes of determining benefits
under Section 6.1 below, and will not be taken into account as "salary,"
"compensation," "bonus," or any similar term in determining the amount of any
payment under any pension, retirement, or profit-sharing plan of the Company or
any life insurance, disability, or other benefit plan of the Company, except as
otherwise specifically provided in the applicable plan document (including a
specific statement that the special bonus will be taken into account in
determining the amount of any payment notwithstanding this Memorandum). All
special bonus payments shall be subject to appropriate withholding payments
deducted therefrom.

5.   Stock Options. Beginning in 2003, you may be entitled to receive
     -------------
additional stock options under the Company's 2000 Performance Award Plan based
on your and the Company's performance as determined by the Company in its sole
discretion.

6.   Benefits; Relocation Loan.
     -------------------------

     6.1  Benefits. You shall be entitled to receive paid vacation, medical
          --------
coverage, disability income replacement coverage, and other employee benefits,
all to the same extent that the Company provides these benefits to the Company's
other senior management employees.

     6.2  Relocation Loan. In connection with your relocation from San
          ---------------
Francisco, California, to the Denver, Colorado area, the Company has made a loan
to you (the "Relocation Loan") on the following terms and conditions: (i) the
principal amount is $500,000, and you shall use the proceeds solely for the
purchase or construction of your principal residence, (ii) the term of the loan
is five years from April 6, 1999, with required principal payments in equal
installments at the end of the third, fourth and fifth years of the term, (iii)
the loan is without interest, (iv) the loan is evidenced by a Note in the form
attached hereto as Exhibit A, (v) the loan is secured by a second deed of trust
                   ---------
with respect to your principal residence in the Denver area, in the form
attached hereto as Exhibit B, and (vi) your outstanding option agreements with
                   ---------
respect to Common Stock of the Company have been amended, in the form attached
hereto as Exhibit C, to provide that shares otherwise deliverable to you upon
          ---------
exercise of an option will be pledged to the Company and held by the Company as
additional security for the loan.

7.   Expenses. You shall be entitled to reimbursement for reasonable and
     --------
properly documented expenses you incur in the conduct of the Company's business,
including a monthly automobile allowance in accordance with the Company's
Automobile Allowance Policy as well

<PAGE>

Timothy J. Beaudin
Memorandum of Understanding regarding Employment
February 7, 2001
Page 3 of 14

as payment or reimbursement for cellular phone expenses. Such reimbursable
expenses shall be deemed to include dues (but not initiation fees) for a country
club, an athletic club, and a luncheon club.

8. Indemnity. Pursuant to an Indemnity Agreement by and between the Company and
   ---------
you, the Company shall indemnify you, and the Company shall maintain in full
force and effect directors' and officers' liability insurance for you in
reasonable amounts from established and reputable insurers. To the same extent,
the Company shall pay and advance all expenses, including, without limitation,
attorneys' fees, disbursements and retainers, accounting and witness fees,
travel and deposition costs, expenses of investigations, judicial or
administrative proceedings and appeals, amounts paid in settlement by you or on
your behalf, actually incurred by you in connection with any threatened, pending
or completed claim, action, suit or proceeding, formal or informal, whether
brought before or after the date of this Memorandum, whether brought in the
right of the Company or otherwise and whether of a civil, criminal,
administrative or investigative nature, by reason of the fact that you were a
director, officer, employee or agent of the Company or were serving at the
Company's request as a director, officer, employee, or agent of another
corporation, limited liability company, partnership, joint venture, trust, or
other enterprise.

9. Employee Handbook; Confidential Information. As a condition of employment,
   -------------------------------------------
you acknowledge that you have reviewed the Company's current Employee Handbook,
executed the Handbook's Receipt and Acknowledgment (which is the last page of
the Handbook), and returned such Receipt and Acknowledgment and a completed W4
form to Jaime Gertmenian. You agree that during the term of your employment and
thereafter for a period of three years, you shall abide by the confidentiality
provisions of the current Employee Handbook.

10. Termination of Employment. For definitions of capitalized terms used in this
    -----------------------
Section 10, see Appendix A attached to this Memorandum which is hereby
incorporated by reference.

    10.1 Right to Terminate. The Company or you may terminate your employment
         ------------------
hereunder at any time by giving the other party prior written notice; provided,
that upon your death, your employment hereunder shall terminate automatically.
Immediately upon the termination of your employment hereunder for any reason,
you shall return promptly to the Company any property (including documents) in
your possession which is owned by the Company.

    10.2 Benefits upon Termination.
         -------------------------

             (a) Basic Payments upon Termination. If your employment terminates
                 -------------------------------
for any reason, the Company shall pay you your unpaid Base Salary for the period
through the Date of Termination and your unpaid salary with respect to any
vacation days accrued but not taken as of the Date of Termination (based upon
your Base Salary in effect at that time). You shall also be entitled to other
payments or benefits to the extent provided in the Company's employee benefit
plans or arrangements.

             (b) Termination Other than for Cause, or for Death, Disability or
                 -------------------------------------------------------------
Good Reason. If (i) you cease to be an employee of the Company on account of (A)
-----------
the Company's termination of your employment other than for Cause, (B)
Disability or (C) your death, or (ii) you

<PAGE>

Timothy J. Beaudin
Memorandum of Understanding regarding Employment
February 7, 2001
Page 4 of 14

resign your employment with the Company after giving the Company notice of the
occurrence of one or more events that constitute Good Reason within a reasonable
period (but not more than 90 days after such occurrence) and the Company fails
to correct such occurrence within a reasonable time (but not more than 60 days)
and your resignation occurs within 10 days after the expiration of that cure
period, then in addition to the amounts payable under Section 10.2(a),

               (A) the stock options held by you shall become fully vested, and

               (B) the Company shall pay you, in monthly payments over a period
of 24 months from the Date of Termination, a monthly amount equal to one
twenty-fourth (1/24) of the amount that is two (2) times your Average Salary and
Bonus, and

               (C) from the Date of Termination through the date on which COBRA
benefits expire or December 31, 2003, whichever is later, you shall be entitled
to medical and dental coverage substantially comparable to the coverage in
effect on the Date of Termination (subject to any reduction or termination of
benefits similarly affecting all senior management personnel of the Company), at
a cost to you not in excess of the employee premium rate for active employees of
the Company. Such medical and dental coverage may at the discretion of the
Company be provided by continuing your participation in the Company's group
health plan, by paying a portion of the applicable COBRA premium for you and
your eligible dependents, or by covering you and your eligible dependents under
a substitute arrangement.

You shall not be required to mitigate the amount of any payment provided for in
this Section 10.2(b) by seeking other employment or otherwise. The Company shall
not be entitled to set off against the amounts payable to you under this
Memorandum any amounts owed to the Company by you, any amounts earned by you in
other employment after termination of your employment with the Company, or any
amounts which might have been earned by you in other employment had you sought
such other employment.

          (c) Termination for Cause; Resignation. If you cease to be an employee
              ----------------------------------
for any reason other than as set forth in Section 10.2(b), then the Company
shall have no obligation to make any payments to you for periods after the Date
of Termination, your unvested stock options shall terminate, and your vested
options must be exercised, if at all, within the time periods after the Date of
Termination specified in your stock option agreement(s).

     10.3 Change of Control Payments. In the event that a Change of Control
          --------------------------
occurs while you are employed by the Company pursuant to the terms of this
Memorandum, and within 12 months after the occurrence of the Change of Control,
your employment by the Company or the Company's successor is terminated by the
Company other than for Cause or you resign for one or more events that
constitute Good Reason, then you shall be entitled to receive from the Company
or such successor, in lieu of, and not in addition to, the amounts otherwise
payable to you pursuant to Section 10.2(b) hereof, the benefits provided below:

          (a) the Company shall pay to you (A) your Base Salary, when due,
through the Date of Termination at the rate in effect at the time the applicable
Notice of Termination is

<PAGE>

Timothy J. Beaudin
Memorandum of Understanding regarding Employment
February 7, 2001
Page 5 of 14

given, (B) the unpaid portion, if any, of any annual bonus which has been earned
by you but which has not been paid as of the Date of Termination, and (C) all
other amounts to which you are entitled under any compensation plan of the
Company at the time such payments are due, and (D) any unpaid salary with
respect to any vacation days accrued but not taken as of the Date of Termination
(based upon your rate of Base Salary in effect at the time the applicable Notice
of Termination is given); and

                  (b)      all stock options or other equity awards held by you
with respect to the Company's Common Stock shall become fully vested; and

                  (c)      in lieu of any further salary payments to you for
periods subsequent to the Date of Termination, the Company shall pay to you a
lump sum payment in an amount which is equal to three (3) times your Average
Salary and Bonus; and

                  (d)      you shall receive the benefits of the Tax Protection
Policy attached hereto as Appendix B, which is hereby incorporated by reference.
                          ----------

         10.4 Payment of Special Bonuses. Should you cease to be an employee of
              --------------------------
the Company on account of your death or Disability, or should your employment be
terminated by the Company for any reason other than for Cause, or should you
terminate your employment with the Company for Good Reason, whether before or
after a Change of Control event, then you will have the vested right to receive,
at the times specified in Section 4.2, the amounts that would otherwise have
been paid to you as special bonuses under that section, provided all the
conditions to payment of such bonuses other than your continued employment with
the Company have been satisfied.

11.      Severability. In case any one or more provisions of this Memorandum
         ------------
shall be invalid, illegal or unenforceable in any respect, the validity,
legality and enforceability of the remaining provisions shall not be in any way
be affected or impaired.

12.      Arbitration. To the fullest extent allowed by law, any controversy or
         -----------
claim arising out of or relating to your employment with the Company (or
termination of your employment) shall be settled by binding and non-appealable
arbitration in the city or region in which your office is located by an
arbitrator. Possible disputes covered by the foregoing, include (but are not
limited to) wage, contract, discrimination, or other employment-related claims
under laws known as Title VII of the Civil Rights Act, California Fair
Employment and Housing Act and comparable statutes in other states if
applicable, Americans with Disabilities Act, Age Discrimination in Employment
Act, and any other statutes relating to an employee's relationship with his/her
employer. However, claims for workers' compensation benefits and unemployment
insurance are not covered by this arbitration agreement and such claims may be
presented by you to the appropriate court or state agency. You and the Company
shall initially confer and attempt to reach agreement on the individual to be
appointed as such arbitrator. If no agreement is reached, the parties shall
request from the Judicial Arbitration and Mediation Services ("JAMS") office in
the city or region where your office is located, a list of five retired judges
affiliated with JAMS. (If there is no JAMS office in the city or region where
your office is located, then an organization which is comparable to JAMS would
be utilized.) You and the Company shall each alternately strike names from such
list until only one name remains and such person shall

<PAGE>

Timothy J. Beaudin
Memorandum of Understanding regarding Employment
February 7, 2001
Page 6 of 14

thereby be selected as the arbitrator. Except as otherwise provided for herein,
such arbitration shall be conducted in conformity with the procedures specified
in the California Arbitration Act (Cal. C.C.P. (S)(S) 1280 et seq.) (or the
                                                           -- ---
statute applicable in the state in which your office is located). The arbitrator
shall allow the discovery authorized by California Code of Civil Procedure
(S)1283.05 or any other discovery required by law in arbitration proceedings.
Also, to the extent that anything in this Memorandum conflicts with any
arbitration procedures required by applicable law, the arbitration procedures
required by applicable law shall govern. The arbitrator shall issue a written
award that sets forth the essential findings and conclusions on which the award
is based. The arbitrator shall have the authority to award any relief authorized
by law in connection with the asserted claims or disputes. The arbitrator's
award shall be subject to correction, confirmation, or vacation, as provided by
any applicable law setting forth the standard of judicial review of arbitration
awards. The parties shall bear equally the arbitrator's fee and any other type
of expense or cost that the employee would not be required to bear if he or she
were free to bring the dispute or claim in court as well as any other expense or
cost that is unique to arbitration but exclusive of each party's attorneys'
fees. The parties intend that this Section 12 shall be valid, binding,
enforceable and irrevocable and shall survive the termination of this
Memorandum. Any final decision of the arbitrator so chosen may be enforced by a
court of competent jurisdiction. You are waiving your right to a jury trial and
agree that the decision of the arbitrator shall be final and binding. If either
party is determined by the arbitrator to be the prevailing party in the
arbitration, then that party will be entitled to reimbursement from the other
party of all the reasonable fees (including attorneys' fees) and expenses
incurred in connection with such arbitration.

13.      Attorneys' Fees.  The Company will pay your attorneys' fees in
         ---------------
connection with the preparation and negotiation of this Memorandum.

14.      Amendments.  No amendments to this Memorandum may be made except by
         ----------
writing signed by you and the Company.

15.      Governing Law.  This Memorandum shall be governed by the internal laws
         -------------
of the State of California.

CATELLUS DEVELOPMENT CORPORATION

By________________________________________
         Nelson C. Rising
         Chairman of the Board and
         Chief Executive Officer

                                               ACCEPTED AND AGREED:

                                               _________________________________
                                                 Timothy J. Beaudin

                                                 Date signed: February __, 2001

<PAGE>

Timothy J. Beaudin
Memorandum of Understanding regarding Employment
February 7, 2001
Page 7 of 14

                                   Appendix A
                                   ----------

                                   Definitions
                                   -----------

         For purposes of this Memorandum, the following definitions are set
forth below:

               (i)   "Average Salary and Bonus" means the greater of (a) your
annual Base Salary and annual bonus (excluding any special bonus payable under
Section 4.2 or 10.4), including any amounts deferred by you under the Company's
Profit Sharing and Savings Plan, Cafeteria Plan, and Executive Deferred
Compensation Plan and any other deferred compensation program now or hereafter
established by the Company, earned by you for the three full calendar years
prior to termination of your employment (regardless of whether all of such years
occurred while this Memorandum was in effect and regardless of whether those
earned amounts were paid out on a current basis or deferred) or such smaller
number of full calendar years as you have been employed by the Company, divided
by the number of such full calendar years, or (b) your annual Base Salary and
annual bonus (excluding any special bonus payable under Section 4.2 or 10.4),
including any amounts deferred by you under the Company's Profit Sharing and
Savings Plan, Cafeteria Plan, and Executive Deferred Compensation Plan and any
other deferred compensation program now or hereafter established by the Company,
earned by you for the three full calendar years with respect to which annual
bonuses have been determined prior to the occurrence of the Change of Control
(regardless of whether all of such years occurred while this Memorandum was in
effect and regardless of whether those earned amounts were paid out on a current
basis or deferred) or such smaller number of full calendar years as you have
been employed by the Company, divided by the number of such full calendar years.

               (ii)  "Cause" means that the Company provides you with a Notice
of Termination for either of the following reasons: (a) the willful and
continued failure by you substantially to perform your material duties (other
than any such failure resulting from your incapacity due to physical or mental
illness) after written demand for substantial performance of such duties is
delivered to you by the Board of Directors, which demand identifies the manner
in which the Board of Directors believes that you have not substantially
performed your duties and you have been given a reasonable period of time (but
in no event more than 60 days) to correct your deficient performance; or (b)
your engaging in egregious misconduct involving serious moral turpitude to such
an extent that, in the reasonable judgment of the Board of Directors, such
misconduct substantially impairs your ability to perform your duties with the
Company. For purposes of clause (a) of this definition, no act, or failure to
act, on your part shall be deemed "willful" unless done, or omitted to be done,
by you without reasonable belief that your action or omission was in the best
interest of the Company.

               (iii) A "Change of Control" shall be deemed to have occurred upon
the happening of any of the following events:

                     (a) the acquisition or holding of the Company, by any
individual, entity or group (within the meaning of Section 13(d)(3) or 14(d)(2)
of the Securities Exchange Act of 1934, as amended (the "Exchange Act")) (an
"Acquiror") of beneficial ownership (within the meaning of Rule 13d-3
promulgated under the Exchange Act) of 25% or more of the combined

<PAGE>

Timothy J. Beaudin
Memorandum of Understanding regarding Employment
February 7, 2001
Page 8 of 14

voting power of the then outstanding shares of Common Stock and other stock of
the Company entitled to vote generally in the election of directors (the
"Outstanding Company Voting Securities"), but excluding for this purpose any
such acquisition (or holding) by (i) the Company or any corporation controlled
by the Company; (ii) any employee benefit plan (or related trust) of the Company
or any corporation controlled by the Company; (iii) any acquisition or ownership
by an Acquiror of 25% of the Outstanding Company Voting Securities as a result
of an acquisition of common stock or voting securities by the Company which, by
reducing the number of shares of the Company's common stock or voting securities
outstanding, increases the proportionate number of shares beneficially owned by
such Acquiror to 25% or more of the Outstanding Company Voting Securities;
provided, however, that if an Acquiror shall become the beneficial owner of 25%
or more of the Outstanding Company Voting Securities by reason of a share
acquisition by the Company as described above and shall, after such share
acquisition by the Company, become the beneficial owner of any additional shares
of common stock or voting securities of the Company, then such acquisition shall
constitute a Change of Control; or (iv) any corporation with respect to which,
following such acquisition, more than 50% of, respectively, the then outstanding
shares of Common Stock of such corporation and the combined voting power of the
then outstanding voting securities of such corporation entitled to vote
generally in the election of directors is then beneficially owned, directly or
indirectly, by all or substantially all of the individuals and entities who were
the beneficial owners, respectively, of the Outstanding Company Voting
Securities immediately prior to such acquisition in substantially the same
proportion as their ownership, immediately prior to such acquisition, of the
then Outstanding Company Voting Securities;

               (b)  individuals who, as of the date hereof, constitute the Board
of Directors (the "Continuing Directors") cease for any reason to constitute at
least a majority of the Board, provided that any individual becoming a director
subsequent to the date hereof whose election, or nomination for election by the
stockholders of Company, was approved by a vote of at least a majority of the
persons then comprising the Continuing Directors shall be considered a
Continuing Director, but excluding, for this purpose, any such individual whose
initial election as a member of the Board is in connection with an actual or
threatened "election contest" relating to the election of the directors of the
Company (as such term is used in Rule 14a-11 of Regulation 14A promulgated under
the Exchange Act); or

               (c)  consummation by the Company of (1) a reorganization, merger
or consolidation of the Company, with respect to which in each case all or
substantially all of the individuals and entities who were the respective
beneficial owners of the Outstanding Company Voting Securities immediately prior
to such reorganization, merger or consolidation do not, following such
reorganization, merger or consolidation, beneficially own, directly and
indirectly, more than 50% of, respectively, the then outstanding shares of
Common Stock and the combined voting power of the then outstanding voting
securities entitled to vote generally in the election of directors of the
corporation or other entity resulting from such reorganization, merger or
consolidation, or (2) a complete liquidation or dissolution of the Company, or
(3) the sale or other disposition of all or substantially all of the assets of
the Company.

         (iv)  "Date of Termination" means the effective date specified in the
Notice of Termination as of which your employment terminates or, in the event of
termination of

<PAGE>

Timothy J. Beaudin
Memorandum of Understanding regarding Employment
February 7, 2001
Page 9 of 14

employment other than for Cause, the date as of which your employment is to
terminate pursuant to the provisions of Section 10.1 of this Memorandum.

                  (v)      "Disability" means that (i) you have a physical or
mental condition that renders you incapable, after reasonable accommodation, of
performing your duties; (ii) such condition is reasonably determined by the
Chief Executive Officer to be of a long-term nature; and (iii) you are eligible
for income replacement benefits under the Company's long-term disability plan
during such period of disability.

                  (vi)     "Notice of Termination" means a notice of a proposed
termination by the Company with a written explanation to you of the grounds for
such proposed termination.

                  (vii)    "Good Reason" exists if, without your express written
consent, any of the following occurs:

                           (A)      the Company reduces your Base Salary as in
effect from time to time; or

                           (B)      an assigning of duties to you that are a
reduction in any substantial respect from your position, authority, or
responsibilities as of September 30, 2000; or

                           (C)      the Company's failure to fulfill the
Company's obligations under this Memorandum; or

                           (D)      the Company's intentional failure, without
your consent, to pay to you any portion of your Base Salary, earned bonus, or
other current compensation (if any), or to pay to you any portion of any
installment of deferred compensation under any deferred compensation program
within ten business days of the date such compensation is due or to issue shares
of the Company's Common Stock in accordance with the terms of stock options
granted to you upon valid exercise thereof; or

                           (E)      a relocation of your current place of
employment or requirement for you to be based anywhere other than within 25
miles from the site of your current place of employment; or

                           (F)      the Company does not allow you to devote
reasonable time to activities other than those required under this Memorandum,
including supervision of personal investments and activities involving
professional, charitable, educational, political, religious and similar types of
organizations, speaking engagements, memberships of boards of directors of other
organizations and similar activities, provided that you shall not serve on the
board of directors of any other business or hold any other position with any
business without the consent of the Chief Executive Officer; or

                           (G)      the failure of any successor entity in a
Change of Control to continue this Memorandum in effect and assume the Company's
obligations and responsibilities hereunder.

<PAGE>

Timothy J. Beaudin
Memorandum of Understanding regarding Employment
Page 10 of 14

<PAGE>

Timothy J. Beaudin
Memorandum of Understanding regarding Employment
February 7, 2001
Page 11 of 14

                                   Appendix B
                                   ----------
                              Tax Protection Policy
                              ---------------------

                This Appendix shall apply if it is determined that any payment,
distribution or benefit provided (including, without limitation, the
acceleration of any payment, distribution or benefit, the provision of any
severance pay or benefits and the acceleration of exercisability of any stock
option) to you or for your benefit (whether paid or payable or distributed or
distributable) pursuant to the terms of this Memorandum or otherwise pursuant to
or by reason of any other agreement, policy, plan, program or arrangement,
including without limitation any stock option, stock appreciation right or
similar right, or the lapse or termination of any restriction on or the vesting
or exercisability of any of the foregoing (the "Payments") would be subject to
the excise tax imposed by Section 4999 of the Internal Revenue Code of 1986, as
amended (the "Code"), by reason of being "contingent on a change in the
ownership or control" of the Company, within the meaning of Section 280G of the
Code or to any similar tax imposed by state or local law, or any interest or
penalties with respect to such excise tax (such tax or taxes, together with any
such interest or penalties, are collectively referred to as the "Excise Tax").
If the Payments are subject to the Excise Tax and it is determined that the
Parachute Value of the Payments (as defined below) exceeds 110% of the Safe
Harbor Amount (as defined below), you shall be entitled to receive from the
Company an additional payment (the "Gross-Up Payment") in an amount such that
the net amount of the Payments and the Gross-Up Payment retained by you after
the calculation and deduction of all Excise Taxes (including any interest or
penalties imposed with respect to such taxes) on those Payments and all federal,
state and local income tax, employment tax and Excise Tax (including any
interest or penalties imposed with respect to such taxes) on the Gross-Up
Payment provided for in this Appendix B, and taking into account any lost or
                             ----------
reduced tax deductions you may incur on account of the Gross-Up Payment, shall
be equal to the Payments. If it shall be determined that the Parachute Value of
the Payments does not exceed 110% of the Safe Harbor Amount, then no Gross-Up
Payment shall be made to you, and the amount of the Payments otherwise due you
shall be reduced to the extent necessary to assure that the Parachute Value of
the Payments as calculated for the Payments remaining after such reduction does
not exceed the greater of (i) the Safe Harbor Amount or (ii) the amount which
yields you the greatest after-tax amount of Payments after taking into account
any Excise Tax you must pay with respect to those Payments. To the extent any
such reduction to your Payments becomes necessary by reason of the preceding
sentence, the reduction shall be applied against the portion of your Payments
based upon your Average Salary and Bonus. For the purposes of this Appendix B,
                                                                   ----------
(a) "Parachute Value of the Payments" shall mean the present value as of the
date of the Change of Control for purposes of Section 280G of the Code of the
portion of such Payments that constitutes a "parachute payment" under Section
280G(b)(2), as determined by the Accountants (as defined below) for purposes of
determining whether and to what extent the Excise Tax will apply to such
Payments, and (b) "Safe Harbor Amount" shall mean the maximum Parachute Value of
the Payments that you can receive without any Payments being subject to the
Excise Tax.

<PAGE>

Timothy J. Beaudin
Memorandum of Understanding regarding Employment
February 7, 2001
Page 12 of 14

                    (i) All determinations required to be made under this
Appendix B, including whether and when the Gross-Up Payment is required and the
----------
amount of such Gross-Up Payment, and the assumptions to be utilized in arriving
at such determinations shall be made by the Accountants (as defined below) which
shall provide you and the Company with detailed supporting calculations with
respect to such Gross-Up Payment within fifteen (15) business days of the
receipt of notice from you or the Company that you have received or shall
receive a Payment. For purposes of making the determinations and calculations
required herein, the Accountants may make reasonable assumptions and
approximations concerning applicable taxes and may rely on reasonable, good
faith interpretations concerning the application of Section 280G and 4999 of the
Code, including (without limitation) the Proposed Treasury Regulations under
Section 280G of the Code, provided that the Accountants' determinations must be
made on the basis of "substantial authority" (within the meaning of Section 6662
of the Code). For the purposes of this Appendix B, the "Accountants" shall mean
                                       ----------
the Company's independent certified public accountants serving immediately prior
to the Change of Control. In the event that the Accountants are also serving as
accountant or auditor for the individual, entity or group effecting the Change
of Control, you may appoint another nationally recognized public accounting firm
to make the determinations required hereunder (which accounting firm shall then
be referred to as the Accountants hereunder). All fees and expenses of the
Accountants shall be borne solely by the Company.

                    (ii) For the purposes of determining whether any of the
Payments shall be subject to the Excise Tax and the amount of such Excise Tax,
such Payments shall be treated as "parachute payments" within the meaning of
Section 280G of the Code, and all "parachute payments" in excess of the "base
amount" (as defined under Section 280G(b)(3) of the Code) shall be treated as
subject to the Excise Tax, unless and except to the extent that in the opinion
of the Accountants such Payments (in whole or in part) either do not constitute
"parachute payments" or represent reasonable compensation for services actually
rendered (within the meaning of Section 280G(b)(4) of the Code) in excess of the
"base amount," or such "parachute payments" are otherwise not subject to such
Excise Tax. For purposes of determining the amount of the Gross-Up Payment, you
shall be deemed to pay federal income taxes at the highest applicable marginal
rate of federal income taxation for the calendar year in which the Gross-Up
Payment is to be made and to pay any applicable state and local income taxes at
the highest applicable marginal rate of taxation for the calendar year in which
the Gross-Up Payment is to be made, net of the actual reduction in federal
income taxes which is reasonably expected to result from the deduction of such
state and local taxes if paid in such year (determined , however, with regard to
limitations on deductions based upon the amount of your adjusted gross income).
To the extent practicable, any Gross-Up Payment with respect to any Payment
shall be paid by the Company at the time you are entitled to receive the Payment
and in no event shall any Gross-Up Payment be paid later than five days after
your receipt of the Accountant's determination. Any determination by the
Accountants shall be binding upon the Company and you.

                    (iii) As a result of uncertainty in the application of
Section 4999 of the Code at the time of the initial determination by the
Accountants hereunder, it is possible that the Gross-Up Payment made shall have
been an amount less than the Company should have paid pursuant to this Appendix
                                                                       --------
B (the "Underpayment"). Unless the Company elects to exhaust its remedies under
-
clause (v) below with respect to the additional Excise Tax on your Payments,

<PAGE>

Timothy J. Beaudin
Memorandum of Understanding regarding Employment
February 7, 2001
Page 12 of 14

the Underpayment shall be promptly paid by the Company to or for your benefit at
the time you are required to pay the additional Excise Tax resulting in such
Underpayment.

                   (iv) You and the Company shall each provide the Accountants
access to and copies of any books, records and documents in the Company's or
your possession, as the case may be, reasonably requested by the Accountants,
and otherwise cooperate with the Accountants in connection with the preparation
and issuance of the determination contemplated by this Appendix B.
                                                       ----------

                    (v) You shall notify the Company in writing of any claim by
the Internal Revenue Service that, if successful, would require the payment by
the Company of the Gross-Up Payment. Such notification shall be given as soon as
practicable after you are informed in writing of such claim and shall apprise
the Company of the nature of such claim and the date on which such claim is
requested to be paid. You shall not pay such claim prior to the expiration of
the 30-day period following the date on which you give such notice to the
Company (or such shorter period ending on the date that any payment of taxes,
interest and/or penalties with respect to such claim is due). If the Company
were to notify you in writing prior to the expiration of such period that it
desires to contest such claim, you shall:

                        (A) give the Company any information reasonably
         requested by the Company relating to such claim;

                        (B) take such action in connection with contesting such
claim as the Company shall reasonably request in writing from time to time,
including, without limitation, accepting legal representation with respect to
such claim by an attorney reasonably selected by the Company and reasonably
satisfactory to you;

                        (C) cooperate with the Company in good faith in order to
effectively contest such claim; and

                        (D) permit the Company to participate in any proceedings
relating to such claim; provided, however, that the Company shall bear and pay
directly all additional Excise Taxes imposed upon you and all costs, legal fees
and other expenses (including additional interest and penalties) incurred in
connection with such contest and shall indemnify you for and hold you harmless
from, on an after-tax basis, any additional Excise Tax (including interest and
penalties with respect thereto) imposed upon you and any Excise Tax or income or
employment tax (including interest and penalties with respect thereto)
attributable to the Company's payment of that additional Excise Tax on your
behalf or imposed as a result of such representation and payment of all related
costs, legal fees and expenses. The amounts owed to you by reason of the
foregoing shall be paid to you or for your benefit as they become due and
payable. Without limiting the foregoing provisions of this paragraph, the
Company shall control all proceedings taken in connection with such contest and,
at its sole option, may pursue or forgo any and all administrative appeals,
proceedings, hearings and conferences with the taxing authority in respect of
such claim and may, at the Company's sole option, either direct you to pay the
tax claimed and sue for a refund or contest the claim in any permissible manner,
and you agree to prosecute such contest to a determination before any
administrative tribunal, in a court of initial jurisdiction and in one or more
appellate courts, the Company shall

<PAGE>

Timothy J. Beaudin
Memorandum of Understanding regarding Employment
February 7, 2001
Page 12 of 14

determine; provided, however, that if the Company were to direct you to pay such
claim and sue for a refund, the Company shall advance the amount of such payment
to you, on an interest-free basis, and shall indemnify you for and hold you
harmless from, on an after-tax basis, any Excise Tax or income tax (including
interest or penalties with respect thereto) imposed with respect to such advance
or with respect to any imputed income with respect to such advance (including as
a result of any forgiveness by the Company of such advance); provided, further,
that any extension of the statute of limitations relating to the payment of
taxes for your taxable year with respect to which such contested amount is
claimed to be due is attributable in whole or in part to such contested amount.
Furthermore, the Company's control of the contest shall be limited to issues
with respect to which a Gross-Up Payment would be payable hereunder and you
shall be entitled to settle or contest, as the case may be, any other issue
raised by the Internal Revenue Service or any other taxing authority.

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