Document:

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                                                                   EXHIBIT 10.06

                             THIRD AMENDMENT TO THE
                             COMSHARE, INCORPORATED
                             1988 STOCK OPTION PLAN

         Pursuant to resolutions adopted by the Board of Directors of Comshare,
Incorporated on February 16, 2001, the 1988 Stock Option Plan (the "Plan") is
hereby amended as set forth below.

         Effective February 16, 2001, the first two sentences in Section 9
"Termination of Employment" shall be amended and restated in their entirety to
read as follows:

                  Upon the expiration of a period of three (3) months after the
                  termination of employment of an optionee for any reason other
                  than death or disability as defined in Section 22(e) of the
                  Code, all rights to purchase shares pursuant to an exercisable
                  option and all related stock appreciation rights shall expire
                  and terminate; provided, however, that the Board, in its sole
                  discretion, may permit an option to continue to vest and/or
                  expire later than three (3) months following an optionee's
                  termination of employment but not later than the original
                  expiration date of the option. The Board also may determine
                  that an option granted under the Plan shall terminate at a
                  time prior to three (3) months following termination of
                  employment.

         THIS THIRD AMENDMENT to the Comshare, Incorporated 1988 Stock Option
Plan is hereby executed as of February 16, 2001.

                                       COMSHARE, INCORPORATED

                                   By: /s/ Brian Jarzynski
                                      Brian Jarzynski
                                      Vice President and Chief Financial Officer<PAGE>   1
                                                                   EXHIBIT 10.07

                             SECOND AMENDMENT TO THE
                             COMSHARE, INCORPORATED
                          DIRECTORS' STOCK OPTION PLAN

         Pursuant to approval of the Board of Directors on February 16, 2001,
the Comshare Incorporated Directors' Stock Option Plan (the "Plan") is hereby
amended, effective February 16, 2001, by the addition of a new Section 4.2 to
read as follows:

                  4.2. Change in Control Acceleration. The portion of any
                  outstanding option (including any option that has not been
                  outstanding for twelve (12) months) that has not expired or
                  been exercised, terminated, canceled, forfeited or surrendered
                  shall become exercisable in full in the event of a Change in
                  Control. For this purpose, Change in Control shall be defined
                  as the occurrence of any of the following events:

                           (a) the election of a Board of Directors of the
                  Company, a majority of the members of which were nominees of a
                  person (including an individual, a corporation, partnership,
                  joint venture, trust or other entity) or a group of persons
                  acting together (other than persons who were members of the
                  Board of Directors or officers of the Company as of August 14,
                  1998 or a tax-qualified retirement plan approved by the Board
                  of Directors of the Company (including at least a majority of
                  the Incumbent Directors ("Exempted Persons")), following the
                  acquisition by such person, group of persons or plan of
                  ownership (directly or indirectly, beneficially or of record)
                  of twenty-five (25%) percent, or more, of the outstanding
                  Common Stock of the Company;

                           (b) the acquisition of ownership by a person or group
                  of persons described in subparagraph (a) above (other than
                  Exempted Persons) of fifty-one (51%) percent, or more of the
                  outstanding Common Stock of the Company;

                           (c) a sale of all or substantially all of the assets
                  of the Company to any entity not controlled by persons who
                  were members of the Board of Directors or officers of the
                  Company as of August 14, 1998 or by any tax-qualified
                  retirement plan for the benefit of employees of the Company;
                  or

<PAGE>   2

                           (d) a merger, consolidation or other similar
                  transaction between the Company and another entity if a
                  majority of the members of the Board of Directors of the
                  surviving company are not Continuing Members.

                  The term "Incumbent Directors" means members of the Board of
                  Directors of the Company as of August 14, 1998 or new
                  directors whose election by the Board of Directors, or
                  nomination for election by the Company's shareholders, was
                  approved by a vote of at least a majority of the directors in
                  office at the time of such election or nomination, who either
                  were directors as of August 14, 1998, or whose election or
                  nomination was previously approved as provided above. In the
                  event that a majority of the Incumbent Directors do not
                  approve the tax-qualified retirement plan or there are no
                  Incumbent Directors, the tax-qualified retirement plan shall
                  not be an Exempted Person. The term "Continuing Directors"
                  means persons (A) who are members of the Board of Directors
                  immediately before the change in control and (B) who also were
                  members of the Board of Directors of the Company as of August
                  14, 1998 or are new directors whose election by the Board of
                  Directors, or nomination for election by the Company's
                  shareholders, was approved by a vote of at least a majority of
                  the directors in office at the time of such election or
                  nomination who either were directors as of August 14, 1998 or
                  whose election or nomination for election was previously
                  approved as provided above.

         THIS SECOND AMENDMENT to the Comshare, Incorporated Directors' Stock
Option Plan is hereby executed as of February 16, 2001.

                                      COMSHARE, INCORPORATED

                                   By: /s/ Brian Jarzynski
                                      --------------------
                                      Brian Jarzynski
                                      Vice President and Chief Financial Officer

                                       2<PAGE>   1
                                                                   EXHIBIT 10.08

                             SECOND AMENDMENT TO THE
                             COMSHARE, INCORPORATED
                     1998 GLOBAL EMPLOYEE STOCK OPTION PLAN

         Pursuant to resolutions adopted by the Board of Directors of Comshare,
Incorporated on February 16, 2001, the 1998 Global Employee Stock Option Plan
(the "Plan") is hereby amended as set forth below.

         Effective February 16, 2001, the first two sentences in Section 8
"Termination of Employment" shall be amended and restated in their entirety to
read as follows:

                  Upon the expiration of a period of ninety (90) days after the
                  termination of employment of an optionee for any reason other
                  than death or disability as defined in Section 22(e) of the
                  Code, all rights to purchase shares pursuant to an exercisable
                  option shall expire and terminate; provided, however, that the
                  Committee, in its sole discretion, may permit an option to
                  continue to vest and/or expire later than ninety (90) days
                  following an optionee's termination of employment but not
                  later than the original expiration date of the option. The
                  Committee also may determine that an option granted under the
                  Plan shall terminate at a time prior to ninety (90) days
                  following termination of employment.

         THIS SECOND AMENDMENT to the Comshare, Incorporated 1998 Global
Employee Stock Option Plan is hereby executed as of February 16, 2001.

                                     COMSHARE, INCORPORATED

                                  By: /s/ Brian Jarzynski
                                     --------------------
                                      Brian Jarzynski
                                      Vice President and Chief Financial Officer<PAGE>   1
                                                                   EXHIBIT 10.22

                  AMENDMENT NO. 4 TO REVOLVING CREDIT AGREEMENT
                                   AND WAIVER

         This Amendment No. 4 to Revolving Credit Agreement and Waiver
("Amendment") dated as of May    , 2001 by and among the lenders signatories
hereto ("Banks"), Comerica Bank as agent for the Banks (in such capacity,
"Agent"), and Meadowbrook Insurance Group, Inc., a Michigan corporation
("Company").

                                    RECITALS

         A. Company and Banks entered into that certain Revolving Credit
Agreement dated as of August 3, 1999, as amended by Amendment No. 1 to Revolving
Credit Agreement dated as of December 31, 1998, Amendment No. 2 to Revolving
Credit Agreement dated July 28, 2000 and Amendment No. 3 to Revolving Credit
Agreement dated September 30, 2000 ("Agreement").

         B. The parties desire to further amend the Agreement.

         NOW, THEREFORE, the parties agree that the Agreement is amended as
follows:

         1. The following definitions set forth in Section 1 of the Agreement
are amended to read in their entirety as follows or added to the Agreement, as
applicable:

                  "'Applicable Interest Rate' shall mean the Prime-based Rate."

                  "'Base Net Worth' shall mean (i) $80,000,000, plus (ii) (on a
cumulative basis) for each fiscal quarter ending after March 31, 2001, the sum
of (A) seventy five percent (75%) of Net Income (if positive), earned in each
fiscal quarter and (B) one hundred percent (100%) of the cash proceeds of the
issuance of any Equity Interests of Company (net of reasonable and customary
costs and expenses of issuance) during such fiscal quarter."

                  "'Margin' shall mean, as of April 1, 2001, one half of one
percent (1/2%). On the first day of every second month, commencing June 1, 2001,
the Margin shall increase by one quarter of one percent (1/4%) ("Margin
Increases"), provided, however, no additional Margin Increases shall occur
following the reduction of the Revolving Credit Aggregate Commitment to Thirty
Three Million Dollars ($33,000,000) or less provided, further, however, once the
Revolving Credit Aggregate Commitment is reduced to Twenty Five Million Dollars
($25,000,000) or less, the Margin shall be reduced to one quarter of one percent
(1/4%)."

                  "Reduction Percentage" shall mean one hundred percent (100%)
until the Revolving Credit Aggregate Commitment is reduced to Thirty Three
Million Dollars ($33,000,000) and shall mean fifty percent (50%) thereafter.

                  "'Revolving Credit Aggregate Commitment' shall mean Forty
Eight Million Dollars ($48,000,000), subject to further reduction or termination
under Section 2.8, 2.10 or 9.2 hereof."

<PAGE>   2

         2. Section 2.10 of the Agreement is amended to read in its entirety as
follows:

                  "2.10 Reduction of Commitment. On the last day of each
         calendar quarter (commencing September 30, 2001), the Revolving Credit
         Aggregate Commitment shall automatically be reduced by Five Million
         Dollars ($5,000,000). In addition, upon receipt by Company of the net
         proceeds of the sale of Equity Interests, Subordinated Debt or sales of
         Subsidiaries received in accordance with the provisions of Section
         7.20, the Revolving Credit Aggregate Commitment shall automatically
         decrease by the Reduction Percentage of such net proceeds; provided,
         that any reductions in the Revolving Credit Aggregate Commitment under
         this sentence shall be credited against the reductions otherwise
         required under the first sentence of this Section. On the date of any
         such reduction, the Company shall make any payments required pursuant
         to the provisions of Section 2.7."

         3. Section 7.2 of the Agreement is amended to add the following
subparagraphs (d) and (e):

                  (d) every two weeks, commencing April 16, 2001, a report in
         form and detail satisfactory to Bank regarding Company's efforts to
         raise capital and sell Subsidiaries (other than Insurance
         Subsidiaries).

                  (e) within five (5) days of the date received, any written
         offers to purchase any of the stock or assets of any of the
         Subsidiaries.

         4. Section 7.9 of the Agreement is amended to read in its entirety as
follows:

                  "7.9 Maintain Base Net Worth. Beginning March 31, 2001,
         maintain at all times a Net Worth of not less than the Base Net Worth."

         5. Section 7.10 is amended to read in its entirety as follows:

                  "7.10 Fixed Charge Coverage Ratio. Maintain as of the end of
         each fiscal quarter, a Fixed Charge Coverage Ratio of not less than the
         following amounts during the periods specified below:

<TABLE>
<S>                                                                    <C>
                  March 31, 2001 through September 29, 2001            1.50 to 1.0
                  September 30, 2001 and thereafter                    2.00 to 1.0"
</TABLE>

         6. Section 7.11 of the Agreement is deleted in its entirety and Section
7.11A of the Agreement is amended to read in its entirety as follows:

         "7.11A Minimum Statutory Surplus. At all times after the date hereof,
cause Star Insurance Company and each Insurance Subsidiary not owned by Star
Insurance Company to maintain a Statutory Surplus of at least the following
amounts for the following periods:

<PAGE>   3

<TABLE>
<S>                                                           <C>
         March 31, 2001 through September 29, 2001            $50,000,000
         September 30, 2001 and thereafter                    $55,000,000."
</TABLE>

         7. Section 7.13 of the Agreement is amended to read in its entirety as
follows:

         "7.13 Net Premium and Gross Premium Ratio. Commencing September 30,
2001, cause each Insurance Subsidiary to maintain at all times a Net Premium
Ratio of not more than 2.5 to 1.0 and a Gross Premium Ratio of not more than 3.5
to 1.0."

         8. The following Section 7.20 is hereby added to the Agreement:

         "7.20 Capital Raising/Sale Efforts. Use its best efforts (including
engaging third party financial advisors) promptly to raise capital through the
issuance of Equity Interests, the incurrence of Subordinated Debt and the sale
of New Subsidiaries and Subsidiaries which are not Insurance Subsidiaries (on
terms reasonably acceptable to the Majority Banks which acceptance shall not
unreasonably be withheld or delayed).

         9. Section 9.1(p) of the Agreement is amended to read in its entirety
as follows:

         "(p) if any of the Insurance Subsidiaries currently rated by Best shall
receive a rating from Best of less than B+ or, if after Best has rated an
Insurance Subsidiary, Best shall withdraw its rating for the Insurance
Subsidiary; provided that this clause (p) shall not apply to an Insurance
Subsidiary acquired after the Effective Date as a result of a Permitted
Acquisition."

         10. Company violated the provisions of Sections 7.9, 7.11, 7.11(A),
7.13 and 9.1(p) for the period ended December 31, 2000. The Banks waive such
violations of such covenants for the period ended December 31, 2000. This waiver
shall not act as a consent or waiver of any other transaction, act or omission,
whether related or unrelated thereto, including any noncompliance with such
covenant for any period other than the period ending December 31, 2000. This
waiver shall not extend to or affect any obligation, covenant, agreement or
default not expressly waived hereby.

         11. Company hereby represents and warrants that, after giving effect to
the amendments contained and waivers herein, (a) execution, delivery and
performance of this Amendment and any other documents and instruments required
under this Amendment or the Agreement are within Company's powers, have been
duly authorized, are not in contravention of law or the terms of the Company's
Articles of Incorporation or Bylaws and do not require the consent or approval
of any governmental body, agency, or authority; and this Amendment and any other
documents and instruments required under this Amendment or the Agreement, will
be valid and binding in accordance with their terms; (b) the representations and
warranties of Company set forth in Sections 6.1 through 6.19 of the Agreement
are true and correct in all material respects on and as of the date hereof with
the same force and effect as if made on and as of the date hereof; (c) the
representations and warranties of Company set forth in Section 6.20 of the
Agreement are true and correct in all material respects as of the date hereof
with respect to the most recent financial statements furnished

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<PAGE>   4

to the Bank by Company in accordance with Section 7.1 of the Agreement; and (d)
no Event of Default, or condition or event which, with the giving of notice or
the running of time, or both, would constitute an Event of Default under the
Agreement, has occurred and is continuing as of the date hereof.

         12. This Amendment shall be effective upon (a) execution hereof by
Company, Agent and the Banks, (b) execution by the Guarantors of the attached
Acknowledgment, (c) payment by Company to Agent (for pro-rata distribution to
the Banks) of a non-refundable amendment fee in the amount of $100,000, and (d)
execution by Company and its Subsidiaries of Pledge Agreements in the form of
Exhibits "G" annexed hereto granting to Agent for the benefit of the Banks first
priority security interests in all of the stock of the Subsidiaries listed in
attached Schedule 1.

         13. This Amendment may be signed in any number of counterparts, each of
which when so executed and delivered shall be deemed an original, but all such
counterparts together shall constitute but one and the same instrument.

         14. All capitalized terms used but not defined in this Amendment shall
have the meanings given to them in the Agreement.

         WITNESS the due execution hereof as of the day and year first above
written.

COMERICA BANK, as Agent                     MEADOWBROOK INSURANCE GROUP, INC.

By:                                         By:
   --------------------------------             --------------------------------
         Jon E. Sasinowski

Its: Vice President                         Its:
                                                 -------------------------------

BANKS:                                      COMERICA BANK

                                            By:
                                                --------------------------------
                                                       Jon E. Sasinowski

                                            Its: Vice President

                                       4

<PAGE>   5

                                            BANK ONE

                                            By:
                                                --------------------------------

                                            Its:
                                                 -------------------------------

                                 ACKNOWLEDGMENT

         The undersigned Guarantors acknowledge the foregoing Amendment No. 4 to
Credit Agreement and Waiver and further acknowledged that the Guaranty dated
August 3, 1999 from the Guarantors in favor of the Agent and the Banks remains
in full force and effect in accordance with its terms.

                                            MEADOWBROOK, INC., a Michigan
                                            corporation

                                            By:
                                                --------------------------------

                                            Its:
                                                 -------------------------------

                                            MEADOWBROOK OF FLORIDA, INC.,
                                            a Florida corporation

                                            By:
                                                --------------------------------

                                            Its:
                                                 -------------------------------

                                       5

<PAGE>   6

                                          ASSOCIATION SELF INSURANCE
                                          SERVICES, INC., an Alabama corporation

                                          By:
                                              ----------------------------------

                                          Its:
                                               ---------------------------------

                                          CREST FINANCIAL CORPORATION, a
                                          Nevada corporation

                                          By:
                                              ----------------------------------

                                          Its:
                                               ---------------------------------

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