AMERUS LIFE HOLDINGS INC
S-8, 1999-11-23
LIFE INSURANCE
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<PAGE>   1
   As Filed with the Securities and Exchange Commission on November 23, 1999

                                         Registration No. 333-_________________

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

                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549


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

                                    FORM S-8

                             REGISTRATION STATEMENT
                                     UNDER
                           THE SECURITIES ACT OF 1933

                           AmerUs Life Holdings, Inc.
             (Exact name of registrant as specified in its charter)


<TABLE>
         <S>                                                                    <C>
         Iowa                                                                       42-1459712
         (State or other jurisdiction of                                         (I.R.S. employer
         incorporation or organization)                                         identification No.)

         699 Walnut Street, Des Moines, Iowa                                        50309-3948
         (Address of principal executive offices)                                   (Zip code)
</TABLE>

                      All*AmerUs Savings & Retirement Plan
                            (Full title of the plan)

                               Joseph K. Haggerty
                   Senior Vice President and General Counsel
                           AmerUs Life Holdings, Inc.
                               699 Walnut Street
                          Des Moines, Iowa  50309-3948
                    (Name and address of agent for service)

                                 (515) 362-3688
         (Telephone number, including area code, of agent for service)


                        CALCULATION OF REGISTRATION FEE


<TABLE>
<CAPTION>
===========================================================================================
                                     Proposed             Proposed
   Title of                           maximum              maximum
  securities      Amount to          offering             aggregate            Amount of
     to be            be             price per            offering            registration
 registered *     registered         share (1)            price (1)               fee
- -------------------------------------------------------------------------------------------
 <S>               <C>             <C>                   <C>                  <C>
 Class A
 Common
 Stock, no         260,000         $22.5625              $5,866,250             $1,630.82
 par value                          -------              ----------             ---------
===========================================================================================
</TABLE>


      (1)  Estimated solely for the purpose of calculating the registration
fee. Such estimate has been calculated pursuant to Rule 457(h) based on the
average of the high and low prices of the Class A Common Stock, no par value,
of AmerUs Life Holdings, Inc., as reported on the New York Stock Exchange on
November 19, 1999.

This Registration Statement incorporates by reference the information contained
in the earlier registration statement relating to the All*AmerUs Savings &
Retirement Plan filed on January 31, 1997, Registration No. 333-20905, as
amended by Post-Effective Amendment No. 1 filed on August 25, 1997.

- ------------------
*     In addition, pursuant to Rule 416(c) under the Securities Act of 1933,
this registration statement also covers an indeterminate amount of interests to
be offered or sold pursuant to the employee benefit plan described herein.

<PAGE>   2





                                   SIGNATURES

                 Pursuant to the requirements of the Securities Act of 1933,
the Registrant certifies that it has reasonable grounds to believe that it
meets all of the requirements for filing on Form S-8 and has duly caused this
registration statement to be signed on its behalf by the undersigned, thereunto
duly authorized, in the City of Des Moines, State of Iowa, on November 23, 1999.

                                      AMERUS LIFE HOLDINGS, INC.



                                      By    /s/ Roger K. Brooks
                                          ------------------------------------
                                               Roger K. Brooks
                                               Chairman, President and Chief
                                                 Executive Officer

                 KNOW ALL MEN BY THESE PRESENTS, that each of the undersigned
directors and officers of AmerUs Life Holdings, Inc.  hereby constitutes and
appoints Michael G. Fraizer and James A. Smallenberger, and each of them, his
true and lawful attorneys-in-fact and agents, for him and in his name, place
and stead, in any and all capacities, to sign one or more amendments to this
Registration Statement on Form S-8 under the Securities Act, including
post-effective amendments, and other related documents, and to file the same
with the Securities and Exchange Commission under said Act, hereby granting
power and authority to do and perform any and all acts and things requisite and
necessary to be done in and about the premises, as fully as to all intents and
purposes as he might or could do in person, hereby ratifying and confirming all
that said attorneys-in-fact and agents may lawfully do or cause to be done by
virtue thereof.

                 Pursuant to the requirements of the Securities Act of 1933,
this registration statement has been signed by the following persons in the
capacities and on the dates set forth below.

<TABLE>
<CAPTION>
Signature                                  Title                                     Date
- ---------                                  -----                                     ----
<S>                                        <C>                                   <C>
/s/ Roger K. Brooks                        Chairman, President and               November 23, 1999
- ----------------------------------         Chief Executive Officer
Roger K. Brooks                              (Principal Executive Officer)
                                             and a Director


/s/ Michael G. Fraizer                     Senior Vice President and             November 23, 1999
- ----------------------------------           Chief Financial Officer
Michael G. Fraizer

/s/ Brenda Cushing                         Vice President and                    November 23, 1999
- ----------------------------------         Principal Accounting Officer
Brenda Cushing
</TABLE>





                                     - 2 -
<PAGE>   3
<TABLE>
<S>                                        <C>                                    <C>
/s/ John R. Albers                         Director                               November 23, 1999
- ----------------------------------
John R. Albers

/s/ Malcolm Candlish                       Director                               November 23, 1999
- ----------------------------------
Malcolm Candlish

/s/ Maureen M. Culhane                     Director                               November 23, 1999
- ----------------------------------
Maureen M. Culhane

/s/ Thomas F. Gaffney                      Director                               November 23, 1999
- ----------------------------------
Thomas F. Gaffney

/s/ Sam C. Kalainov                        Director                               November 23, 1999
- ----------------------------------
Sam C. Kalainov

/s/ Ralph W. Laster, Jr.                   Director                               November 23, 1999
- ----------------------------------
Ralph W. Laster, Jr.

/s/ John W. Norris, Jr.                    Director                               November 23, 1999
- ----------------------------------
John W. Norris, Jr.

/s/ Jack C. Pester                         Director                               November 23, 1999
- ----------------------------------
Jack C. Pester

/s/ John A. Wing                           Director                               November 23, 1999
- ----------------------------------
John A. Wing
</TABLE>





                                     - 3 -
<PAGE>   4

                                   SIGNATURES

                 Pursuant to the requirements of the Securities Act of 1933,
the Plan Administrator has duly caused this registration statement to be signed
on its behalf by the undersigned, thereunto duly authorized, in the City of Des
Moines, State of Iowa, on November 23, 1999.

                            ALL*AMERUS SAVINGS & RETIREMENT PLAN

                            By:     AmerUs Benefit and Pension Committee
                                    Plan Administrator



                            By:     /s/ VICTOR N. DALEY
                                    -------------------------------------------
                                        VICTOR N. DALEY
                                    -------------------------------------------
                                    Title:  Chairman
                                            -----------------------------------





                                     - 4 -
<PAGE>   5
                                 EXHIBIT INDEX




<TABLE>
<CAPTION>
Exhibit
Number           Description                                                                    Page
- ------           -----------                                                                    ----
<S>              <C>
5.1              Opinion of Joseph K. Haggerty, Esq., Senior Vice
                 President and General Counsel of the Company,
                 regarding the legality of the securities being registered
                 hereunder.

23.1             Consent of Joseph K. Haggerty, Esq. (included in the
                 Opinion filed as Exhibit 5.1).

23.2             Consent of KPMG LLP.

24.1             Power of Attorney (set forth on the signature page of
                 this Registration Statement).

99.1             All*AmerUs Savings & Retirement Plan (as amended
                 and restated).
</TABLE>





                                     - 5 -

<PAGE>   1
                                                                     Exhibit 5.1



November 23, 1999



AmerUs Life Holdings, Inc.
699 Walnut Street
Des Moines, Iowa  50309-3948

Ladies and Gentlemen:

                 I am Senior Vice President and General Counsel of AmerUs Life
Holdings, Inc. (the "Company") and I have acted as counsel to the Company in
connection with the preparation of the Registration Statement on Form S-8 to be
filed by the Company with the Securities and Exchange Commission (the
"Commission") for the registration under the Securities Act of 1933, as
amended, of shares of the Company's Class A Common Stock (the "Common Stock")
to be issued to employees of the Company and certain of its affiliates under
the All*AmerUs Savings & Retirement Plan (the "Plan").

                 I have examined the originals, certified copies or copies
otherwise identified to my satisfaction as being true copies of the Plan and
such other documents as I have deemed necessary or appropriate for purposes of
this opinion.

                 Based on the foregoing, I am of the opinion that the Common
Stock will, when issued, be legally issued, fully paid and non-assessable.

                 I hereby consent to the filing of this opinion as Exhibit 5.1
to the Registration Statement.

                                           Very truly yours,



                                           /s/ Joseph K. Haggerty
                                           ----------------------------------
                                           Joseph K. Haggerty





                                     - 6 -

<PAGE>   1
                                                                    Exhibit 23.2



                                                  CONSENT OF INDEPENDENT AUDITOR



To the Board of Directors and Stockholders
of AmerUs Life Holdings, Inc.:


Ladies and Gentlemen:

                 We consent to the use of our report incorporated by reference
in this Registration Statement on Form S-8 of AmerUs Life Holdings, Inc.



                             KPMG LLP

Des Moines, Iowa
November 23, 1999





                                     - 7 -

<PAGE>   1


                                                                    Exhibit 99.1

                                                               December 21, 1998





                                     ALL*AMERUS SAVINGS & RETIREMENT PLAN





                                             Amended and Restated

                                      Generally Effective January 1, 1998
<PAGE>   2

                               TABLE OF CONTENTS



<TABLE>
<S>                   <C>                                                                                    <C>
INTRODUCTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  1


ARTICLE I
DEFINITIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  6

          (1)         ACCOUNT   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  6
          (2)         ACQUISITION LOAN  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  6
          (3)         ALLOCATED DIVIDENDS   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  6
          (4)         AMVESTORS ESOP PARTICIPANT  . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  6
          (5)         AMVESTORS PENSION PARTICIPANT   . . . . . . . . . . . . . . . . . . . . . . . . . . .  6
          (6)         ANNUAL ADDITION   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  6
          (7)         ANNUITY STARTING DATE   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  7
          (8)         BASIC BEFORE-TAX CONTRIBUTIONS  . . . . . . . . . . . . . . . . . . . . . . . . . . .  7
          (9)         BEFORE-TAX CONTRIBUTIONS  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  7
          (10)        BENEFICIARY   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  7
          (11)        BOARD OF DIRECTORS  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  8
          (12)        BREAK IN SERVICE  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  8
          (13)        CODE  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  8
          (14)        COMMITTEE   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  8
          (15)        COMPANY STOCK   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  8
          (16)        COMPANY STOCK FUND  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  8
          (17)        COMPENSATION  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  8
          (18)        COMPUTATION PERIOD  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  9
          (19)        CORE NONELECTIVE CONTRIBUTIONS  . . . . . . . . . . . . . . . . . . . . . . . . . . .  9
          (20)        CORPORATION   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  9
          (21)        DEFINED CONTRIBUTION PLAN   . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  9
          (22)        DEFINED CONTRIBUTION PLAN FRACTION  . . . . . . . . . . . . . . . . . . . . . . . . .  9
          (23)        DEFINED BENEFIT PLAN  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  9
          (24)        DEFINED BENEFIT PLAN FRACTION   . . . . . . . . . . . . . . . . . . . . . . . . . . .  9
          (25)        DIRECT ROLLOVER   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  9
          (26)        DISABLED or DISABILITY  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  9
          (27)        DISCRETIONARY ALLOCATIONS   . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  10
          (28)        DISCRETIONARY CONTRIBUTIONS   . . . . . . . . . . . . . . . . . . . . . . . . . . . .  10
          (29)        DISTRIBUTEE   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  10
          (30)        DISTRIBUTION  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  10
          (31)        DIVERSIFICATION ACCOUNT   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  10
          (32)        DIVERSIFICATION PORTION   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  10
          (33)        EFFECTIVE DATE  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  11
</TABLE>





                                       2
<PAGE>   3
<TABLE>
          <S>         <C>                                                                                    <C>
          (34)        ELECTIVE DEFERRAL   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  11
          (35)        ELECTIVE TRANSFER   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  11
          (36)        ELIGIBLE EMPLOYEE   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  11
          (37)        ELIGIBLE NONELECTIVE CONTRIBUTION
                      EMPLOYEE  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  11
          (38)        ELIGIBLE RETIREMENT PLAN  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  12
          (39)        ELIGIBLE ROLLOVER DISTRIBUTION  . . . . . . . . . . . . . . . . . . . . . . . . . . .  12
          (40)        EMPLOYEE  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  12
          (41)        EMPLOYER  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  13
          (42)        EMPLOYING COMPANY   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  13
          (43)        EMPLOYING COMPANY ACQUISITION LOAN
                      CONTRIBUTIONS   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  14
          (44)        EMPLOYING COMPANY MATCHING
                      CONTRIBUTIONS   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  14
          (45)        EMPLOYMENT COMMENCEMENT DATE  . . . . . . . . . . . . . . . . . . . . . . . . . . . .  14
          (46)        ENTRY DATE  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  14
          (47)        ERISA   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  14
          (48)        ESOP CONTRIBUTIONS  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  14
          (49)        ESOP FEATURE  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  14
          (50)        ESOP FUND   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  14
          (51)        ESOP STOCK  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  15
          (52)        EXCESS AGGREGATE CONTRIBUTIONS  . . . . . . . . . . . . . . . . . . . . . . . . . . .  15
          (53)        EXCESS CONTRIBUTIONS  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  15
          (54)        EXCESS CORE NONELECTIVE CONTRIBUTION  . . . . . . . . . . . . . . . . . . . . . . . .  15
          (55)        EXCESS DEFERRAL AMOUNT  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  15
          (56)        FLEXIBLE BENEFIT CREDIT BEFORE-TAX CONTRIBUTION   . . . . . . . . . . . . . . . . . .  15
          (57)        GRANDFATHERED AMVESTORS EMPLOYEE  . . . . . . . . . . . . . . . . . . . . . . . . . .  16
          (58)        GRANDFATHERED AMVESTORS PERCENTAGE  . . . . . . . . . . . . . . . . . . . . . . . . .  16
          (59)        GRANDFATHERED AMVESTORS SUPPLEMENTAL
                      CONTRIBUTIONS   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  16
          (60)        HIGHLY COMPENSATED EMPLOYEE   . . . . . . . . . . . . . . . . . . . . . . . . . . . .  16
          (61)        HOUR OF SERVICE   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  16
          (62)        INTERIM BENEFIT SUPPLEMENT EMPLOYEE   . . . . . . . . . . . . . . . . . . . . . . . .  18
          (63)        NTERIM SUPPLEMENTAL CONTRIBUTIONS   . . . . . . . . . . . . . . . . . . . . . . . . .  18
          (64)        INVESTMENT CONTRIBUTIONS  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  18
          (65)        INVESTMENT FUNDS  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  18
          (66)        INVESTMENT MANAGER  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  18
          (67)        JOINT AND SURVIVOR ANNUITY  . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  18
          (68)        LEVERAGED SHARES  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  19
          (69)        LIMITATION YEAR   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  19
          (70)        LOAN SUSPENSE ACCOUNT   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  19
          (71)        MATCHING CONTRIBUTIONS  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  19
          (72)        MATERNITY OR PATERNITY ABSENCE  . . . . . . . . . . . . . . . . . . . . . . . . . . .  19
</TABLE>





                                       3
<PAGE>   4
<TABLE>
          <S>         <C>                                                                                    <C>
          (73)        MONEY PURCHASE PENSION COMPONENT  . . . . . . . . . . . . . . . . . . . . . . . . . .  20
          (74)        MONEY PURCHASE PENSION PLAN   . . . . . . . . . . . . . . . . . . . . . . . . . . . .  20
          (75)        NAMED FIDUCIARY   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  20
          (76)        1998 AMENDMENT AND RESTATEMENT  . . . . . . . . . . . . . . . . . . . . . . . . . . .  20
          (77)        NONELECTIVE CONTRIBUTIONS   . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  20
          (78)        NORMAL RETIREMENT AGE   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  20
          (79)        PARTICIPANT   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  20
          (80)        PERIOD OF SEVERANCE   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  20
          (81)        PLAN  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  21
          (82)        PLAN SPONSOR  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  21
          (83)        PLAN YEAR   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  21
          (84)        PREDECESSOR PLAN  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  21
          (85)        PRE-RETIREMENT SURVIVOR ANNUITY   . . . . . . . . . . . . . . . . . . . . . . . . . .  21
          (86)        PRIOR PLAN  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  21
          (87)        PRIOR PLAN PARTICIPANT  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  22
          (88)        PROFIT-SHARING COMPONENT  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  22
          (89)        QNEC  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  22
          (90)        QUALIFIED ELECTION PERIOD   . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  22
          (91)        QUALIFIED MILITARY SERVICE  . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  22
          (92)        QUALIFIED PARTICIPANT   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  22
          (93)        QUALIFIED RETIREMENT PLAN LOAN  . . . . . . . . . . . . . . . . . . . . . . . . . . .  23
          (94)        REEMPLOYMENT COMMENCEMENT DATE  . . . . . . . . . . . . . . . . . . . . . . . . . . .  23
          (95)        REGULAR EMPLOYEE  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  23
          (96)        RETIRE or RETIREMENT  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  23
          (97)        ROLLOVER ACCOUNT  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  24
          (98)        ROLLOVER CONTRIBUTIONS  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  24
          (99)        SECTION 415 COMPENSATION  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  24
          (100)       SERVICE   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  24
          (101)       SEVERANCE DATE  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  25
          (102)       SHARES  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  26
          (103)       SPOUSE  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  26
          (104)       STOCK BONUS COMPONENT   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  26
          (105)       SUPPLEMENTAL BEFORE-TAX CONTRIBUTIONS   . . . . . . . . . . . . . . . . . . . . . . .  26
          (106)       SUPPLEMENTAL PERCENTAGE   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  26
          (107)       SUSPENSION PERIOD   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  26
          (108)       TERMINATION OF EMPLOYMENT   . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  26
          (109)       TRANSFERRED AMOUNTS   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  27
          (110)       TRUST   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  27
          (111)       TRUST AGREEMENT   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  27
          (112)       TRUST FUND  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  27
          (113)       TRUSTEE   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  27
          (114)       UNALLOCATED DIVIDENDS   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  28
          (115)       UNIT or UNIT VALUE  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  28
          (116)       VALUATION DATE  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  28
</TABLE>





                                       4
<PAGE>   5
<TABLE>
          <S>         <C>                                                                                    <C>
          (117)       YEAR OF ELIGIBILITY SERVICE   . . . . . . . . . . . . . . . . . . . . . . . . . . . .  28
</TABLE>





                                       5
<PAGE>   6
<TABLE>
<S>                                                                                                         <C>
ARTICLE II
EFFECTIVE DATE, ELIGIBILITY, AND PARTICIPATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   30

          (1)         EFFECTIVE DATE  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  30
          (2)         ELIGIBILITY AND PARTICIPATION    . . . . . . . . . . . . . . . . . . . . . . . . . .   30


ARTICLE III
CONTRIBUTIONS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   32

          (1)         CONTRIBUTION ELECTIONS  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  32
          (2)         BEFORE-TAX CONTRIBUTIONS  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  35
          (3)         ROLLOVER CONTRIBUTIONS  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  36
          (4)         MATCHING CONTRIBUTIONS  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  36
          (5)         CORE NONELECTIVE CONTRIBUTIONS  . . . . . . . . . . . . . . . . . . . . . . . . . . .  37
          (6)         INTERIM SUPPLEMENTAL CONTRIBUTIONS  . . . . . . . . . . . . . . . . . . . . . . . . .  37
          (7)         GRANDFATHERED AMVESTORS SUPPLEMENTAL CONTRIBUTIONS  . . . . . . . . . . . . . . . . .  37
          (8)         DISCRETIONARY CONTRIBUTIONS   . . . . . . . . . . . . . . . . . . . . . . . . . . . .  38
          (9)         CONTRIBUTIONS BY EMPLOYING COMPANIES  . . . . . . . . . . . . . . . . . . . . . . . .  38
          (10)        LIMIT ON TOTAL EMPLOYING COMPANY CONTRIBUTIONS   . . . . . . . . . . . . . . . . . .   39
          (11)        PLAN TO PLAN TRANSFER   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  39
          (12)        NONDISCRIMINATION RULES   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  40
          (13)        LIMIT ON ELECTIVE DEFERRALS   . . . . . . . . . . . . . . . . . . . . . . . . . . . .  42
          (14)        MAXIMUM ADDITIONS   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  43
          (15)        COMPLIANCE  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  45
          (16)        HIGHLY COMPENSATED EMPLOYEE STATUS  . . . . . . . . . . . . . . . . . . . . . . . . .  46


ARTICLE IV
WITHDRAWALS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

          (1)         HARDSHIP WITHDRAWALS  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  47
          (2)         WITHDRAWALS AFTER AGE 59  1/2   . . . . . . . . . . . . . . . . . . . . . . . . . . .  49
          (3)         PROCEDURE FOR WITHDRAWAL  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  50
          (4)         VALUATION PROCEDURES  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  50
          (5)         SPECIAL RULES FOR AMOUNTS ATTRIBUTABLE TO PREDECESSOR PLANS   . . . . . . . . . . . .  50

</TABLE>




                                       6
<PAGE>   7
<TABLE>
<S>                   <C>                                                                                   <C>
ARTICLE V
TRUST FUND. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  52

          (1)         CONTRIBUTIONS AND ASSETS  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  52
          (2)         TRUST FUND  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  53


ARTICLE VI
ESOP PROVISIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  54

          (1)         INVESTMENT OF ESOP CONTRIBUTIONS  . . . . . . . . . . . . . . . . . . . . . . . . . .  54
          (2)         ACQUISITION LOANS   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  54
          (3)         RELEASE OF COMPANY STOCK FROM LOAN
                      SUSPENSE ACCOUNTS   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  54
          (4)         PUT OPTION  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  58
          (5)         DIVERSIFICATION RIGHTS   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   60
          (6)         DIVIDENDS ON SHARES   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  60
          (7)         VALUATION OF COMPANY STOCK  . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  61
          (8)         TENDER/VOTING OF COMPANY STOCK  . . . . . . . . . . . . . . . . . . . . . . . . . . .  61
          (9)         QUALIFICATION OF ESOP FEATURE   . . . . . . . . . . . . . . . . . . . . . . . . . . .  67
          (10)        TERMINATION OF ESOP FEATURE   . . . . . . . . . . . . . . . . . . . . . . . . . . . .  67


ARTICLE VII
VESTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  68

          (1)         BEFORE-TAX CONTRIBUTIONS AND ROLLOVER CONTRIBUTIONS   . . . . . . . . . . . . . . . .  68
          (2)         MATCHING CONTRIBUTIONS AND NONELECTIVE CONTRIBUTIONS  . . . . . . . . . . . . . . . .  68
          (3)         FORFEITURES   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  70
          (4)         RESTORATION OF FORFEITED AMOUNTS UPON REPAYMENT   . . . . . . . . . . . . . . . . . .  71
          (5)         EFFECTIVE DATE OF VESTING PROVISIONS  . . . . . . . . . . . . . . . . . . . . . . . .  72


ARTICLE VIII
PARTICIPANT ACCOUNTS   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   73

          (1)         RECORDS, ALLOCATIONS, AND INVESTMENTS    . . . . . . . . . . . . . . . . . . . . . .   73
          (2)         INVESTMENT ELECTIONS   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   74
          (3)         RESTRICTIONS ON TRANSACTIONS  . . . . . . . . . . . . . . . . . . . . . . . . . . . .  77
          (4)         CONFIDENTIALITY REGARDING COMPANY STOCK   . . . . . . . . . . . . . . . . . . . . . .  78
          (5)         VALUATION OF ACCOUNTS   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  78
</TABLE>





                                       7
<PAGE>   8
<TABLE>
<S>                                                                                                        <C>
          (6)         BENEFICIARIES   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  79


ARTICLE IX
ACCOUNT DISTRIBUTION:
TERMINATION; DEATH; TRANSFER  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  80

          (1)         ELIGIBILITY FOR DISTRIBUTION OF
                      ACCOUNT:  TERMINATION AND DEATH   . . . . . . . . . . . . . . . . . . . . . . . . . .  80
          (2)         ELIGIBILITY FOR DISTRIBUTION OF ACCOUNT:
                      TRANSFERS OF EMPLOYMENT   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  80
          (3)         PAYMENT OF PARTICIPANT ACCOUNT  . . . . . . . . . . . . . . . . . . . . . . . . . . .  81
          (4)         MEDIUM OF DISTRIBUTION  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  83
          (5)         OTHER DISTRIBUTIONS   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  84
          (6)         QUALIFIED DOMESTIC RELATIONS ORDERS   . . . . . . . . . . . . . . . . . . . . . . . .  84
          (7)         ADDITIONAL DISTRIBUTION RULES   . . . . . . . . . . . . . . . . . . . . . . . . . . .  85
          (8)         SPECIAL RULES   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  89
          (9)         RECOVERY OF PAYMENTS MADE BY MISTAKE  . . . . . . . . . . . . . . . . . . . . . . . .  92
          (10)        SPECIAL RULES FOR CERTAIN DISTRIBUTION
                      APPLICATIONS SUBMITTED PRIOR TO THE
                      APPLICABLE EFFECTIVE DATE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
          (11)        COORDINATION BETWEEN PLANS AND WITH THE APPENDICES  . . . . . . . . . . . . . . . . .  93


ARTICLE X
LOANS TO PARTICIPANTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  95

          (1)         AVAILABILITY OF LOANS TO PARTICIPANTS   . . . . . . . . . . . . . . . . . . . . . . .  95
          (2)         TERMS AND CONDITIONS OF LOANS TO PARTICIPANTS     . . . . . . . . . . . . . . . . . .  95
          (3)         SPECIAL RULES FOR PREDECESSOR PLAN PARTICIPANTS   . . . . . . . . . . . . . . . . . .  99
          (4)         PREEMPTION OF STATE USURY LAWS   . . . . . . . . . . . . . . . . . . . . . . . . . .  100
          (5)         SPECIAL RULE   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  100


ARTICLE XI
ADMINISTRATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  101

          (1)         COMMITTEE    . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  101
          (2)         PROCEDURES AND ADMINISTRATION    . . . . . . . . . . . . . . . . . . . . . . . . . .  101
          (3)         ALLOCATION OF RESPONSIBILITIES   . . . . . . . . . . . . . . . . . . . . . . . . . .  101
          (4)         ADMINISTRATIVE POWERS AND DUTIES   . . . . . . . . . . . . . . . . . . . . . . . . .  102
          (5)         DELEGATION OF RESPONSIBILITIES   . . . . . . . . . . . . . . . . . . . . . . . . . .  104
          (6)         COMPENSATION   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  104
</TABLE>





                                       8
<PAGE>   9
<TABLE>
<S>                                                                                                        <C>
          (7)         PROVISION OF INFORMATION BY EMPLOYER  . . . . . . . . . . . . . . . . . . . . . . .  104
          (8)         DOCUMENTS   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  104
          (9)         SERVICE OF PROCESS  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  104
          (10)        SCOPE OF AUTHORITY  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  104
          (11)        INDEMNIFICATION   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  105


ARTICLE XII
AMENDMENT, TERMINATION, MERGER,
AND CONSOLIDATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  106

          (1)         AMENDMENT OF PLAN   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  106
          (2)         TERMINATION OF PLAN   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  106
          (3)         MERGER, CONSOLIDATION, OR TRANSFER  . . . . . . . . . . . . . . . . . . . . . . . .  107
          (4)         REPRESENTATIONS CONTRARY TO PLAN  . . . . . . . . . . . . . . . . . . . . . . . . .  108


ARTICLE XIII
CLAIMS PROCEDURE AND DISPUTED CLAIMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   109

          (1)         CLAIMS FOR BENEFITS   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  109
          (2)         REVIEW OF CLAIM DENIALS   . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  110
          (3)         MISCELLANEOUS   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  111
          (4)         EXHAUSTION OF ADMINISTRATIVE REMEDIES   . . . . . . . . . . . . . . . . . . . . . .  111
          (5)         LIMITATION ON ACTIONS   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  111
          (6)         FEDERAL PREEMPTION  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  111
          (7)         NO RIGHT TO JURY TRIAL; EVIDENCE:   . . . . . . . . . . . . . . . . . . . . . . . .  111
          (8)         SCOPE OF REVIEW   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  112
          (9)         LIMITATION ON DAMAGES   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  112
          (10)        PARTICIPANT PLAN DATA   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  112
          (11)        ADVISORS NOT FIDUCIARIES  . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  112


ARTICLE XIV
MISCELLANEOUS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  113

          (1)         TOP-HEAVY PROVISIONS  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  113
          (2)         PROHIBITION AGAINST ALIENATION  . . . . . . . . . . . . . . . . . . . . . . . . . .  115
          (3)         RELATIONSHIP BETWEEN EMPLOYING
                      COMPANIES AND EMPLOYEES   . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  115
          (4)         PARTICIPANTS' BENEFITS LIMITED TO ASSETS  . . . . . . . . . . . . . . . . . . . . .  115
          (5)         TITLES AND HEADINGS   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  116
          (6)         GENDER AND NUMBER   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  116
          (7)         APPLICABLE LAW  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  116
</TABLE>





                                       9
<PAGE>   10
<TABLE>
<S>                                                                                                        <C>
          (8)         INABILITY TO LOCATE PAYEE   . . . . . . . . . . . . . . . . . . . . . . . . . . . .  116
          (9)         INCOMPETENCE OF PAYEE   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  116
          (10)        DEALING WITH THE TRUSTEE  . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  117
          (11)        RETURN OF CONTRIBUTIONS   . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  117
          (12)        EXPENSES  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  117
          (13)        SEPARABILITY  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  118
          (14)        PARTICIPANTS' PROTECTED RIGHTS  . . . . . . . . . . . . . . . . . . . . . . . . . .  118
          (15)        CODE SECTION 414(u)   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  118
          (16)        OFFSETS   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  118
          (17)        COMMITTEE AUTHORITY   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  118
          (18)        ACTIONS BY CORPORATION  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  118
          (19)        TREATMENT OF THE PLAN AND THE MONEY
                      PURCHASE PENSION PLAN   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  119
          (20)        APPENDICES  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  120
          (21)        MULTIPLE EMPLOYER PLAN  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  120


ARTICLE XV
ADOPTION AND WITHDRAWAL FROM PLAN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  121

          (1)         PROCEDURE FOR ADOPTION  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  121
          (2)         PROCEDURE FOR WITHDRAWAL  . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  121
          (3)         ADOPTION OF PLAN BY UNRELATED EMPLOYER  . . . . . . . . . . . . . . . . . . . . . .  121

ARTICLE XVI
SPECIAL EFFECTIVE DATES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  123

          (1)         HIGHLY COMPENSATED EMPLOYEE STATUS AND
                      DEFINITION  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  123
          (2)         NONDISCRIMINATION TESTING   . . . . . . . . . . . . . . . . . . . . . . . . . . . .  123
          (3)         COMPENSATION UNDER CODE SECTION 415   . . . . . . . . . . . . . . . . . . . . . . .  123
          (4)         CONTRIBUTIONS ON BEHALF OF DISABLED EMPLOYEES   . . . . . . . . . . . . . . . . . .  123
          (5)         LEASED EMPLOYEES  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  123
          (6)         CODE SECTION 414(u)   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  124
          (7)         OFFSETS   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  124
          (8)         DISTRIBUTIONS OF SMALL AMOUNTS  . . . . . . . . . . . . . . . . . . . . . . . . . .  124
          (9)         WITHDRAWAL RESTRICTIONS   . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  124
          (10)        MERGER  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  124
          (11)        COMMITTEE AUTHORITY   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  125
          (12)        EXPLANATION OF ELECTION   . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  125
          (13)        MERGER, CONSOLIDATION, OR TRANSFER  . . . . . . . . . . . . . . . . . . . . . . . .  125
          (14)        ESOP  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  125
</TABLE>





                                       10
<PAGE>   11
<TABLE>
<S>                                                                                                        <C>
APPENDIX A
EMPLOYING COMPANIES   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  127

APPENDIX B
CALCULATION OF SUPPLEMENTAL PERCENTAGE  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  128

APPENDIX C
CENTRAL LIFE PLAN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  130

APPENDIX D
AMERICAN MUTUAL PLANS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  131

APPENDIX E
IOWA REALTY PLANS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  133

APPENDIX F
FIRST REALTY PLAN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  136

APPENDIX G
EMPLOYEES OF FIRST EDINA MORTGAGE, L.L.C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  139

APPENDIX H
EMPLOYEES OF AMERUS PROPERTIES AND
IOWA REALTY COMMERCIAL  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  140

APPENDIX I
EMPLOYEES OF EDINA REALTY HOME SERVICES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  141

APPENDIX J
HOME REAL ESTATE OF OMAHA PLAN  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  142
</TABLE>





                                       11
<PAGE>   12
                      ALL*AMERUS SAVINGS & RETIREMENT PLAN


                                  INTRODUCTION


ALL*AMERUS SAVINGS & RETIREMENT PLAN AND ALL*AMERUS SAVINGS & RETIREMENT MONEY
PURCHASE PENSION PLAN DURING 1998.

          With respect to the period from January 1, 1998 to December 31, 1998,
this document contains two plans:  the All*AmerUs Savings & Retirement Plan
(the "Plan") and the All*AmerUs Savings & Retirement Money Purchase Pension
Plan (the "Money Purchase Pension Plan").  The Money Purchase Pension Plan
shall consist of the Money Purchase Pension Component (which is described in a
subsequent section of this Introduction).  The Plan shall consist of all
components contained in this document that are not part of the Money Purchase
Pension Component.

          With respect to the period from January 1, 1998 to December 31, 1998,
the term "Plan" is used to refer both to the All*AmerUs Savings & Retirement
Plan and to the All*AmerUs Savings & Retirement Money Purchase Pension Plan
except to the extent that the context indicates otherwise (such as where the
document is distinguishing between the two plans; see, for example, the first
paragraph of this Introduction).  For example, references in Article II to the
"Plan" in the context of determining eligibility to participate apply to both
plans.

MERGER OF PLANS

          Effective January 1, 1999, the following plans (referred to herein as
the "Prior Plans") are hereby merged into the Plan: the Money Purchase Pension
Plan, the AmVestors Financial Corporation Money Purchase Pension Plan, and the
AmVestors Financial Corporation Employees' Stock Ownership Plan.  Accordingly,
as of January 1, 1999, the terms of this Plan document shall apply with respect
to all assets and liabilities in existence with respect to the Prior Plans
immediately before such date.  Under such terms, the Money Purchase Pension
Plan shall become a component of the Plan (i.e., the Money Purchase Pension
Component), but such component shall cease to be a separate plan and Article
XIV(19) shall cease to apply.  Correspondingly, except as otherwise provided in
this Plan document, as of January 1, 1999, the terms of the Prior Plans, as in
effect immediately before such date, shall cease to apply with respect to such
assets and liabilities.

          The terms of this Plan document shall be construed in accordance with
the merger of the Prior Plans into this Plan document.  This means that this
Plan document shall be construed to comply with all legal requirements
applicable to such a merger, such





<PAGE>   13
as Code Section 414(l), as reflected in Article XII(3).  This Plan document
shall also be construed to comply with all legal requirements applicable to a
merged plan.

          In addition to satisfying applicable legal requirements, it is also
intended more broadly that this Plan document shall be treated as a
continuation of the Prior Plans.  See, for example, Article I(10) regarding
Beneficiary designations.  On the other hand, this continuation concept does
not apply to preserve the terms of the Prior Plans except to the extent
specifically provided for in this Plan document.

SUMMARY OF THE PLAN

          The Plan is amended and restated herein, effective as of January 1,
1998 except as otherwise provided herein.  As noted, the merger of the Prior
Plans into the Plan is effective as of January 1, 1999.  Correspondingly, the
ESOP Feature, which is based on the AmVestors Financial Corporation Employees'
Stock Ownership Plan, is effective as of January 1, 1999.

          This Plan document also contains certain amendments to the Plan (and
predecessors of the Plan) with respect to periods of time prior to January 1,
1998.  In addition, the Plan document contains similar amendments to the Prior
Plans (and predecessors of the Prior Plans) with respect to periods of time
prior to the January 1, 1999 merger.  See Article XVI.

          Set forth below is a very brief summary of the Plan as in effect as
of January 1, 1999.  This summary should not be relied on since it is quite
general (and thus imprecise) and omits numerous important details and
refinements.  The summary is intended solely to provide an overview and
orientation with respect to the provisions of the Plan.

          STRUCTURE OF THE PLAN

          CONTRIBUTIONS.  Very generally, the Plan is structured in the
following manner.  Eligible Employees are entitled to elect to have Before-Tax
Contributions made on their behalf up to limits specified in Article III.  The
Employing Companies provide a Matching Contribution that is equal to 125% of an
Eligible Employee's Basic Before-Tax Contributions.

          In addition, the Employing Companies provide a Core Nonelective
Contribution on behalf of each Eligible Nonelective Contribution Employee that
is generally equal to 4% of the Eligible Nonelective Contribution Employee's
Compensation (but may, under certain circumstances set forth in this document,
be a greater amount).  Pursuant to Article III(5) and Article VI(3), this Core
Nonelective Contribution is provided in two ways.  First, the Employing
Companies make contributions that are used to repay an Acquisition Loan.  These
repayments cause Company Stock to be released from the Loan Suspense Account.
This released Company





                                       2
<PAGE>   14
Stock is used to provide at least part of the Core Nonelective Contribution.
To the extent that the Company Stock released from the Loan Suspense Account is
insufficient to provide the full Core Nonelective Contribution, the Employing
Companies make additional contributions.

         The Employing Companies also provide two types of supplemental
Nonelective Contributions:  Interim Supplemental Contributions and
Grandfathered AmVestors Supplemental Contributions.  Interim Supplemental
Contributions are provided on behalf of Eligible Nonelective Contribution
Employees who were, as of December 31, 1995, active participants in a defined
benefit plan described in Appendix B.  Grandfathered AmVestors Supplemental
Contributions are provided on behalf of Eligible Nonelective Contribution
Employees who were Employees of AmVestors Financial Corporation on January 1,
1999.

         Each Employing Company may, in its sole and absolute discretion, also
make a Discretionary Contribution on behalf of its Eligible Nonelective
Contribution Employees.  Any such Discretionary Contribution would be allocated
among the Employing Company's Eligible Nonelective Contribution Employees in
proportion to their Compensation.

          INVESTMENT.  Under Article VIII, Eligible Employees are entitled to
elect how all contributions (other than contributions that are attributable to
repayments of an Acquisition Loan) are invested by choosing among a menu of
Investment Funds, including a Company Stock Fund that is generally invested in
Company Stock.  An Eligible Employee's right to direct investments is, however,
subject to a rule generally limiting investment in Company Stock to 50% of the
value of the Eligible Employee's Account.

         Generally, all contributions that are attributable to repayments of an
Acquisition Loan are required to be invested in the ESOP Fund (which is
generally invested in Company Stock), subject to one exception.  The exception
is the "diversification" provision in Article VI(5).

         As noted, the Company Stock Fund and the ESOP Fund are both generally
invested in Company Stock.  One reason for the existence of two separate funds
is to reflect the fact that there are two sets of investment rules governing
amounts held in Company Stock.  Amounts invested in Company Stock attributable
to repayments of an Acquisition Loan (i.e., the ESOP Fund) are generally
required to remain invested in Company Stock.  On the other hand, all other
amounts invested in Company Stock (i.e., the Company Stock Fund) may be
invested in other Investment Funds pursuant to the Participant's directions.





                                       3
<PAGE>   15
          COMPONENTS OF THE PLAN

          The Plan includes three components:  (1) the Profit- Sharing
Component, which is a profit-sharing plan under Code Section 401(a) that
includes a qualified cash or deferred arrangement as defined in Code Section
401(k); (2) the Stock Bonus Component, which is both a stock bonus plan and an
employee stock ownership plan intended to qualify under Code Sections 401(a)
and 4975(e)(7) and is designed to invest primarily in Company Stock; and (3)
the Money Purchase Pension Component, which is a money purchase pension plan
intended to qualify under Code Section 401(a).

         MONEY PURCHASE PENSION COMPONENT.  Except for amounts attributable to
repayments of an Acquisition Loan, all amounts attributable to Core Nonelective
Contributions, Interim Supplemental Contributions, and Grandfathered AmVestors
Supplemental Contributions are part of the Money Purchase Pension Component.

         STOCK BONUS COMPONENT AND THE ESOP FEATURE.  The Stock Bonus Component
and the ESOP Feature each consist of all amounts that are invested in the ESOP
Fund.

         PROFIT-SHARING COMPONENT.  The Profit-Sharing Component consists of
all amounts that are not part of the Money Purchase Pension Component or the
Stock Bonus Component.

          The AmVestors Financial Corporation Employees' Stock Ownership Plan
is merged into the Stock Bonus Component and the ESOP Feature and shall be
treated as part of the ESOP Fund, subject to the provisions of the Plan
applicable to the ESOP Fund.  The other Prior Plans are merged into the Money
Purchase Pension Component.

         Whether a contribution is in the Profit-Sharing Component, the Stock
Bonus Component, or the Money Purchase Pension Component, and whether a
contribution is part of the ESOP Feature, have certain significances set forth
in this document.

MERGER CONTINGENCY

         Notwithstanding anything herein to the contrary, if, pursuant to
Article XVI(10), the Money Purchase Pension Plan is not merged into the Plan as
of January 1, 1999, this Introduction and this document shall be deemed to be
revised accordingly.  For example, in that case, this document shall continue
to contain two plans as of January 1, 1999 (the Plan and the Money Purchase
Pension Plan) and Article XIV(19) shall continue to apply.





                                       4
<PAGE>   16
QUALIFICATION

          The Plan is intended to qualify under Code Section 401(a) and to
comply with the provisions of ERISA, the Code, and all other applicable federal
laws and regulations; in addition, the cash or deferred arrangements referred
to above are intended to qualify under Code Section 401(k). For purposes of
qualification under the Code, the Profit-Sharing Component is intended to be a
profit-sharing plan, as that term is used under the Code.  However, no
contribution under this Plan shall be conditioned on the existence of profits
of the Corporation, any Employing Company, the Employer, or any other entity or
group of entities.  The provisions of the Plan shall be construed to effectuate
the foregoing intentions.





                                       5
<PAGE>   17
                                   ARTICLE I
                                  DEFINITIONS


          The following words and phrases, when used in this document with an
initial capital letter, shall have the following meanings, unless the context
clearly indicates otherwise.


(1)       ACCOUNT:

          The individual interest of a Participant in the Trust Fund as
          determined as of each Valuation Date.

(2)       ACQUISITION LOAN:

          A loan or other extension of credit, described in Code Section
          4975(d)(3), used to finance the purchase of Company Stock by the
          Trustee.

(3)       ALLOCATED DIVIDENDS:

          Cash dividends on Company Stock that is held in the ESOP Fund and
          that is allocated to Participants' Accounts.

(4)       AMVESTORS ESOP PARTICIPANT:

          An individual who would be a Prior Plan Participant if Section (87)
          were revised so that "the AmVestors Financial Corporation Employees'
          Stock Ownership Plan" were substituted for "a Prior Plan" each place
          it appears.

(5)       AMVESTORS PENSION PARTICIPANT:

          An individual who would be a Prior Plan Participant if Section (87)
          were revised so that "the AmVestors Financial Corporation Money
          Purchase Pension Plan" were substituted for "a Prior Plan" each place
          it appears.

(6)       ANNUAL ADDITION:

          Annual addition as defined in Code Section 415(c)(2). In the event
          that a contribution is allocated to a Participant's Account because
          of an erroneous failure to allocate in a prior Plan Year, such
          contribution shall be part of the Participant's Annual Addition for
          the Plan Year to which it relates, and not for the Plan Year in which
          it is contributed or allocated.





                                       6
<PAGE>   18
(7)       ANNUITY STARTING DATE:

          The first day of the first period for which an amount is paid as an
          annuity or any other form.

(8)       BASIC BEFORE-TAX CONTRIBUTIONS:

          Before-Tax Contributions elected by a Participant pursuant to Article
          III(2)(a).

(9)       BEFORE-TAX CONTRIBUTIONS:

          Before-tax contributions made under a "cash or deferred arrangement"
          by the Employing Companies on a Participant's behalf pursuant to an
          election by the Participant under which he agrees to have his
          Compensation reduced by a specified percentage and the Employing
          Companies agree to contribute an amount equal to such reduction to
          the Plan as Before-Tax Contributions.  All Before-Tax Contributions
          shall be identified and separately accounted for either as Basic
          Before-Tax Contributions or as Supplemental Before-Tax Contributions.
          Before-Tax Contributions are intended to constitute employer
          contributions made on an elective basis under a qualified cash or
          deferred arrangement within the meaning of Code Section 401(k)(2).

(10)      BENEFICIARY:

          The person or persons designated by the Participant to receive any
          payment from the Trust Fund after the death of a Participant.  In the
          case of a Participant to whom Article IX(8) applies, a designation of
          a beneficiary other than the Participant's Spouse (or a change to a
          beneficiary other than the Participant's Spouse) will not be valid
          except to the extent permitted under Article IX(8).  Such person or
          persons shall be designated in a manner prescribed for this purpose
          by the Committee and may be changed from time to time in a manner
          prescribed for this purpose by the Committee.  Any designation or
          change in designation shall be effective only upon receipt by the
          Committee of such designation or change in designation, provided that
          any designation or change in designation shall not be valid if it is
          received by the Committee after the death of the Participant.  In the
          absence of a valid designation, the Beneficiary shall be (a) the
          Participant's Spouse or (b) if there is no Spouse surviving the
          Participant, the Participant's estate.

          With respect to a Prior Plan Participant who does not become an
          Eligible Employee hereunder, if a designation of a beneficiary other
          than the Participant's Spouse (or a change to a beneficiary other
          than the Participant's Spouse) was in effect and valid as of December
          31, 1998 under a Prior Plan, such designation shall, with respect to
          that portion of his Account attributable to the Prior Plan, be





                                       7
<PAGE>   19
          treated as in effect and valid under this Plan as of January 1, 1999,
          subject to change in the manner set forth in the preceding paragraph
          of this Section (10).  With respect to any other Prior Plan
          Participant, the determination of his Beneficiary shall be made under
          the otherwise applicable terms of this Plan.

(11)      BOARD OF DIRECTORS:

          The Board of Directors of the Corporation, or any delegate of such
          Board.

(12)      BREAK IN SERVICE:

          With respect to any individual, any Computation Period for which the
          individual is not credited with more than 500 Hours of Service.

(13)      CODE:

          The Internal Revenue Code of 1986, as amended from time to time, and
          the regulations issued thereunder. A reference to any Section of the
          Code shall also be deemed to refer to any applicable successor
          statutory provision.

(14)      COMMITTEE:

          The AmerUs Benefit and Pension Committee.

(15)      COMPANY STOCK:

          The class A common stock of AmerUs Life Holdings, Inc. (or any
          successor entity).

(16)      COMPANY STOCK FUND:

          The portion of the Trust Fund that is designated by the Committee as
          the Company Stock Fund and that is (a) invested in Company Stock, or
          (b) treated as part of the Company Stock Fund by the Committee.

(17)      COMPENSATION:

          Compensation within the meaning of Treasury Regulation Section
          1.415-2(d)(11)(i) (or any applicable successor provision) received by
          an Employee as an Employee, determined separately for each payroll
          period; provided that such compensation shall be increased by any
          elective contributions made by the Employer and not includible in
          gross income under Code Section 125 or Code Section 402(e)(3);
          provided further that Compensation shall not include sign-on bonuses,
          long-term incentives, moving expenses, severance payments,





                                       8
<PAGE>   20
          flexible benefit credits taken in cash, car allowances, fitness
          reimbursements, and exam awards. No amount paid to any individual
          shall be considered Compensation unless paid during a period when
          such individual is an Eligible Employee.  Notwithstanding the
          preceding provisions of this Section (17), for Plan Years beginning
          after December 31, 1988, the total Compensation for any Plan Year
          shall not include any amount over $200,000, or effective January 1,
          1994, $150,000 (both figures adjusted in accordance with Code
          Sections 401(a)(17) and 415(d)).

(18)      COMPUTATION PERIOD:

          With respect to any individual, each twelve-month period with respect
          to which the individual's Hours of Service are computed for purposes
          of Section (117).

(19)      CORE NONELECTIVE CONTRIBUTIONS:

          Allocations made pursuant to Article III(5).

(20)      CORPORATION:

          AmerUs Life Holdings, Inc. (or any successor entity).

(21)      DEFINED CONTRIBUTION PLAN:

          Defined contribution plan as defined in Code Section 415(k).

(22)      DEFINED CONTRIBUTION PLAN FRACTION:

          Defined contribution plan fraction as defined in Code Section 415(e).

(23)      DEFINED BENEFIT PLAN:

          Defined benefit plan as defined in Code Section 415(k).

(24)      DEFINED BENEFIT PLAN FRACTION:

          Defined benefit plan fraction as defined in Code Section 415(e).

(25)      DIRECT ROLLOVER:

          A payment by the Plan to the Eligible Retirement Plan specified by
          the Distributee.

(26)      DISABLED or DISABILITY:





                                       9
<PAGE>   21
          Any physical or mental condition that renders an Eligible Employee
          incapable of performing the work for which he was employed or similar
          work, as certified in writing by a doctor of medicine and as approved
          by the Committee.

(27)      DISCRETIONARY ALLOCATIONS:

          Allocations made pursuant to Article III(8).

(28)      DISCRETIONARY CONTRIBUTIONS:

          Contributions made pursuant to Article III(8).

(29)      DISTRIBUTEE:

          This term includes an Employee or former Employee with respect to an
          Eligible Rollover Distribution.  In addition, the Employee's or
          former Employee's surviving spouse and the Employee's or former
          Employee's spouse or former spouse who is the alternate payee under a
          qualified domestic relations order, as defined in Section 414(p) of
          the Code, are Distributees with respect to the interest of the spouse
          or former spouse in an Eligible Rollover Distribution.

(30)      DISTRIBUTION:

          Any payment by the Plan to or on behalf of a Participant or
          Beneficiary, including a withdrawal by such Participant or
          Beneficiary.

(31)      DIVERSIFICATION ACCOUNT:

          The portion of a Participant's Account that is attributable to ESOP
          Contributions and that is invested in the ESOP Fund.

(32)      DIVERSIFICATION PORTION:

          With respect to any Participant, the excess (if any) of (a) the sum
          of (i) 25% of the number of Shares that have been allocated to his
          Diversification Account at any time on or before the date as of which
          the Diversification Portion is being determined, and (ii) 25% of the
          number of shares of Company Stock (as defined in the AmVestors
          Financial Corporation Employees' Stock Ownership Plan, as in effect
          as of December 31, 1998) that have been allocated to his Stock
          Account (as defined in the AmVestors Financial Corporation Employees'
          Stock Ownership Plan, as in effect as of December 31, 1998) at any
          time or before the date as of which the Diversification Portion is
          being derermined, over (b) the sum of (i) the number of such Shares
          with respect to





                                       10
<PAGE>   22
          which an election has previously been made by the Participant under
          Article VI(5), and (ii) the number of shares of Company Stock (as
          defined in the AmVestors Financial Corporation Employees' Stock
          Ownership Plan, as in effect as of December 31, 1998) with respect to
          which a diversification election was previously made by the
          Participant under Article 10 (or a predecessor provision) of the
          AmVestors Financial Corporation Employees' Stock Ownership Plan.  In
          interpreting and applying the preceding sentence, the Committee shall
          (d) adjust the number of shares of Company Stock described in Section
          (32)(a)(ii) and Section (32)(b)(ii) to the extent appropriate to take
          into account any period when the stock so described was not stock of
          the Corporation; (e) adjust the number of Shares described in Section
          (32)(a)(i) to prevent any shares taken into account under Section
          (32)(a)(ii) from being taken into account again as Shares under
          Section (32)(a)(i); and (f) apply all of the foregoing provisions in
          accordance with Code Section 401(a)(28). During the 90-day period
          immediately following the close of the last Plan Year in the
          Qualified Election Period, the second preceding sentence shall be
          applied by substituting "50%" for "25%".  For purposes of this
          Section (32), any number of Shares shall be rounded to the nearest
          whole integer.

(33)      EFFECTIVE DATE:

          January 1, 1998.

(34)      ELECTIVE DEFERRAL:

          Elective deferral as defined in Code Section 402(g)(3).

(35)      ELECTIVE TRANSFER:

          Elective transfer described in Treasury Regulation Section 1.411(d)-4
          Q/A-3(b) (or any applicable successor provision).

(36)      ELIGIBLE EMPLOYEE:

          Any Employee who is eligible to participate under Article II(2).

(37)      ELIGIBLE NONELECTIVE CONTRIBUTION EMPLOYEE:

          With respect to a Plan Year, an individual who:

          (a)         Is (i) an Eligible Employee on the last day of the Plan
                      Year, and (ii) is credited with at least 1,000 Hours of
                      Service for the Plan Year, or





                                       11
<PAGE>   23
          (b)         (i) died, became Disabled, or Retired during the Plan
                      Year, and (ii) was an Eligible Employee immediately
                      before his death, his becoming Disabled, or his
                      Retirement.

(38)      ELIGIBLE RETIREMENT PLAN:

          Eligible retirement plan as defined in Code Section 401(a)(31)(D).

(39)      ELIGIBLE ROLLOVER DISTRIBUTION:

          Eligible rollover distribution as defined in Code Section
          401(a)(31)(C).

(40)      EMPLOYEE:

          An employee of an Employing Company, provided that the following
          individuals shall not be Employees:

          (a)         any employee of an Employing Company the terms of whose
                      employment are subject to a collective bargaining
                      agreement between one or more Employing Companies and a
                      collective bargaining agent, unless the collective
                      bargaining agreement specifically provides for
                      participation in this Plan,

          (b)         any employee of an Employing Company who is neither a
                      resident nor a citizen of the United States, and

          (c)         any leased employee (as defined in Code Section 414(n)).

          Notwithstanding any provision of the Plan to the contrary, the term
          "Employee" shall not include for any purpose of the Plan any
          individual except to the extent that such individual is
          contemporaneously designated on the Employing Company's records (or
          on the records of the Employer on behalf of the Employing Company) as
          an employee for all purposes including, without limitation, all
          purposes under Subtitle C of the Code.  Thus, for example, an
          individual who for a Plan Year is not contemporaneously designated on
          the Employing Company's records (or on the records of the Employer on
          behalf of the Employing Company) as an employee for all purposes
          under Subtitle C of the Code shall not be an Employee for any part of
          such Plan Year by reason of the fact that at a later time the
          individual is retroactively treated as an employee of an Employing
          Company for such Plan Year for purposes of Subtitle C of the Code.
          As another example, an individual shall not be an Employee if such
          individual (i) is contemporaneously designated on the Employing
          Company's records (or on the records of the Employer on behalf of the
          Employing Company) as an independent contractor or a leased employee
          (within the meaning of Code Section





                                       12
<PAGE>   24
          414(n)), or (ii) is not contemporaneously designated as on the
          regular payroll of an Employing Company.  The preceding three
          sentences of this Section (40) shall apply to an individual without
          regard to whether an Employing Company provides remuneration to such
          individual and without regard to the manner in which an Employing
          Company calculates or provides any such remuneration.

(41)      EMPLOYER:

          All Employing Companies and all employers required to be aggregated
          with any Employing Company under Sections 414(b), (c), (m), or (o) of
          the Code, provided that for purposes of Article III(14), the
          modifications prescribed by Code Section 415(h) shall apply.
          Notwithstanding the foregoing, if an Employing Company ("first
          Employing Company") is not required to be aggregated with another
          Employing Company ("second Employing Company") under Sections 414(b),
          (c), (m), or (o) of the Code, the first Employing Company and all
          employers required to be aggregated with the first Employing Company
          under Sections 414(b), (c), (m), or (o) of the Code, shall, to the
          extent required by law or to the extent the context clearly requires,
          be treated as a separate Employer from the second Employing Company
          and all employers required to be aggregated with the second Employing
          Company under Sections 414(b), (c), (m), or (o) of the Code.  See
          Article XIV(21).

          Subject to the second sentence of the preceding paragraph, the term
          "Employer" shall be used throughout this Plan to refer to the
          respective Employer entities or to the collective group of Employer
          entities or another similar meaning, as determined by the context in
          which the term is used. The principle that shall guide the
          interpretation of the use of the term "Employer" in this Plan is set
          forth in Article XIV(21).


(42)      EMPLOYING COMPANY:

          (a)         The Corporation;

          (b)         A member (or functional unit of a member) of a controlled
                      group of corporations, within the meaning of Code Section
                      414(b), of which the Corporation is a member;

          (c)         An entity (or functional unit of an entity) under common
                      control, within the meaning of Code Section 414(c), with
                      the Corporation; and

          (d)         Any other entity (or functional unit of an entity).





                                       13
<PAGE>   25
          Notwithstanding the foregoing, an entity shall be an Employing
          Company only to the extent that such entity has adopted the Plan in
          accordance with Article XV and has not terminated such adoption
          thereunder.  The entities that are Employing Companies as of January
          1, 1998 (or such other date specified in Appendix A) are set forth in
          Appendix A, provided that the terms of Article XV, rather than
          Appendix A, shall be controlling with respect to the determination of
          whether any entity is an Employing Company.

          Except to the extent that the context indicates otherwise, references
          to acts by an Employing Company shall be deemed to include acts by
          the Corporation on behalf of the Employing Company.

(43)      EMPLOYING COMPANY ACQUISITION LOAN CONTRIBUTIONS:

          Contributions by the Employing Companies that are made to enable the
          Trustee to repay in whole or in part an Acquisition Loan.

(44)      EMPLOYING COMPANY MATCHING CONTRIBUTIONS:

          Contributions made by the Employing Companies to provide Matching
          Contributions either directly or indirectly (as set forth in Article
          VI(3)).

(45)      EMPLOYMENT COMMENCEMENT DATE:

          The date on which an employee first performs an Hour of Service.

(46)      ENTRY DATE:

          The first day of each calendar month.

(47)      ERISA:

          The Employee Retirement Income Security Act of 1974, as amended from
          time to time, and the regulations issued thereunder.  A reference to
          any Section of ERISA shall also be deemed to refer to any applicable
          successor statutory provision.

(48)      ESOP CONTRIBUTIONS:

          Employing Company Acquisition Loan Contributions.

(49)      ESOP FEATURE:





                                       14
<PAGE>   26
          That portion of the Plan consisting of an employee stock ownership
          plan as defined in Code Section 4975(e)(7).  The ESOP Feature
          consists of amounts that are invested in the ESOP Fund.

(50)      ESOP FUND:

          The portion of the Trust Fund that is designated by the Committee as
          the ESOP Fund and that is (a) invested in Company Stock or (b)
          treated as part of the ESOP Fund by the Committee.

(51)      ESOP STOCK:

          Company Stock held in the ESOP Fund.

(52)      EXCESS AGGREGATE CONTRIBUTIONS:

          Excess aggregate contributions as defined in Code Section 401(m)(6).

(53)      EXCESS CONTRIBUTIONS:

          Excess contributions as defined in Code Section 401(k)(8).

(54)      EXCESS CORE NONELECTIVE CONTRIBUTION:

          The excess (if any) of (a) the value of the Core Nonelective
          Contribution allocated on behalf of an Eligible Nonelective
          Contribution Employee for a Plan Year, determined in the manner set
          forth in this Section (54),  over (b) 4% of the Eligible Nonelective
          Contribution Employee's Compensation for the Plan Year.  Solely for
          purposes of this Section (54), the value of the Core Nonelective
          Contribution allocated on behalf of an Eligible Nonelective
          Contribution Employee for a Plan Year shall be the value that the
          Core Nonelective Contribution actually allocated on behalf of the
          Eligible Nonelective Contribution Employee for the Plan Year would
          have had if (c) the value of each Share on the date the Core
          Nonelective Contribution is allocated were equal to the value
          described in the succeeding sentence, and (d) Allocated Dividends
          were not used in the manner described in Article VI(6)(a)(ii)(B).
          The value described in this sentence is the lowest value of a Share
          during the twelve-month period ending on the date the Core
          Nonelective Contribution is allocated.





                                       15
<PAGE>   27
(55)      EXCESS DEFERRAL AMOUNT:

          With respect to a Participant, the lesser of (a) the amount by which
          a Participant's Elective Deferrals exceed the limit in effect under
          Code Section 402(g) for a calendar year, or (b) the amount of the
          Participant's Before-Tax Contributions for the calendar year.

(56)      FLEXIBLE BENEFIT CREDIT BEFORE-TAX CONTRIBUTION:

          Before-Tax Contributions made pursuant to an election by a
          Participant under which he agrees to have the portion of his
          Compensation attributable to flexible benefit creditss reduced and
          the applicable Employing Company agrees to contribute an amount equal
          to such reduction to the Plan as Before-Tax Contributions. The
          definition of flexible benefit credits in the All*AmerUs Flexible
          Benefit Plan is incorporated herein by reference.

(57)      GRANDFATHERED AMVESTORS EMPLOYEE:

          An Eligible Nonelective Contribution Employee who was an Employee of
          AmVestors Financial Corporation on January 1, 1999.

(58)      GRANDFATHERED AMVESTORS PERCENTAGE:

          With respect to a Grandfathered AmVestors Employee in a Plan Year,
          the compensation percentage that would have applied to the
          Grandfathered AmVestors Employee in that Plan Year under Section
          5.1(a) of the AmVestors Financial Corporation Money Purchase Pension
          Plan if the AmVestors Financial Corporation Money Purchase Pension
          Plan had continued in effect under the same terms that were in effect
          as of December 31, 1998.  Thus, for example, if a Grandfathered
          AmVestors Employee would not have been an Eligible Participant (as
          defined in the AmVestors Financial Corporation Money Purchase Pension
          Plan, as in effect as of December 31, 1998) under such plan with
          respect to a Plan Year, the Grandfathered AmVestors Percentage for
          such Grandfathered AmVestors Employee for such Plan Year is zero.

(59)      GRANDFATHERED AMVESTORS SUPPLEMENTAL CONTRIBUTIONS:

          Allocations made pursuant to Article III(7).

(60)      HIGHLY COMPENSATED EMPLOYEE:

          A highly compensated employee as defined in Code Section 414(q).  The
          Corporation is authorized to make any elections permitted under Code
          Section





                                       16
<PAGE>   28
          414(q), and to modify any election previously made.  Except to the
          extent prohibited by law, the election made with respect to any Plan
          Year need not be made with respect to any subsequent Plan Year.  An
          election may be made by any written document evidencing the
          Corporation's intent to make such election and, with respect to a
          Plan Year, may be made at any time at which it is being determined
          whether the Plan satisfies the requirements of Code Sections
          401(a)(4), 401(k)(3), 401(m)(2), or 410(b) or any other applicable
          requirements that require the identification of Highly Compensated
          Employees.

(61)      HOUR OF SERVICE:

          (a)         Each hour for which an employee is directly or indirectly
                      paid or entitled to payment by the Employer:  (i) for the
                      performance of duties; (ii) on account of a period during
                      which no duties are performed (irrespective of whether
                      the employment relationship has terminated) due to
                      vacation, holiday, illness, incapacity (including
                      disability), layoff, jury duty, military duty, or leave
                      of absence; or (iii) for which back pay, irrespective of
                      mitigation of damages, is either awarded or agreed to by
                      the Employer; provided, however, that no hour shall be
                      credited as an Hour of Service under more than one of the
                      preceding clauses.

          (b)         Notwithstanding anything to the contrary in the
                      foregoing:  (i) not more than 501 Hours of Service shall
                      be credited to an employee under subsection (a)(ii) or
                      (a)(iii) on account of any single continuous period
                      during which the employee performs no duties (whether or
                      not such period occurs in a single Plan Year); (ii) an
                      hour for which an employee is directly or indirectly paid
                      or entitled to payment on account of a period during
                      which no duties are performed shall not be credited to
                      such employee if such payment is made or due under a plan
                      maintained solely for the purpose of complying with any
                      applicable workers' compensation, disability insurance,
                      or unemployment compensation law; and (iii) Hours of
                      Service shall not be credited for a payment which solely
                      reimburses an employee for medical or medically related
                      expenses incurred by the employee.

          (c)         The rules set forth in sections 2530.200b-2(b) and (c) of
                      the Department of Labor Regulations with respect to
                      determining Hours of Service for reasons other than the
                      performance of duties and for crediting Hours of Service
                      to computation periods are incorporated herein by
                      reference.

          (d)         Solely for purposes of determining whether a Break in
                      Service has occurred, if an individual is absent from
                      work by reason of such





                                       17
<PAGE>   29
                      individual's pregnancy, the birth of such individual's
                      child, or the placement of a child with such individual
                      in connection with adoption by such individual, or if an
                      individual is absent from work for purposes of caring for
                      such a child for a period immediately following such
                      birth or placement, such individual shall be credited
                      with certain Hours of Service under the following rules.
                      Credit shall be given under this subsection (d) for the
                      number of Hours of Service which otherwise would normally
                      have been credited to such individual but for such
                      absence (or, if the Committee cannot make this
                      determination, eight Hours of Service per working day of
                      absence), up to a total of 501 Hours of Service.  Such
                      Hours of Service shall be credited only to the
                      Computation Period in which the absence from work begins
                      if such credit would prevent the individual from
                      incurring a Break in Service in that Computation Period
                      or, in any other case, to the immediately following
                      Computation Period. Notwithstanding the foregoing,
                      however, credit shall not be given under this subsection
                      (d) unless the individual furnishes to the Committee such
                      timely information as the Committee may reasonably
                      require to establish that the absence is for the
                      permitted reasons and to establish the length of such
                      absence. The provisions of this subsection (d) shall not
                      be construed to limit the number of Hours of Service
                      which otherwise would be credited to an individual under
                      the other provisions of this Section (61), provided that
                      there shall be no duplication of credit.

          (e)         Notwithstanding anything to the contrary in this Section
                      (61), an individual shall be credited with Hours of
                      Service to the extent required by applicable law.

          (f)         For purposes of this Section, Hours of Service will be
                      credited for employment with a previous employer of an
                      Employee but only to the extent and for such purposes as
                      are expressly provided herein or in a document executed
                      by the Corporation.  With respect to the provision of
                      such credit, any such document is incorporated herein by
                      reference.

(62)      INTERIM BENEFIT SUPPLEMENT EMPLOYEE:

          An Eligible Nonelective Contribution Employee who was, as of December
          31, 1995, an active participant in a defined benefit plan described
          in Appendix B.

(63)      INTERIM SUPPLEMENTAL CONTRIBUTIONS:

          Allocations made pursuant to Article III(6).





                                       18
<PAGE>   30
(64)      INVESTMENT CONTRIBUTIONS:

          Matching, Nonelective, Before-Tax, and Rollover Contributions, QNECs,
          and Transferred Amounts made on behalf of a Participant.

(65)      INVESTMENT FUNDS:

          The separate funds, other than amounts held in retirement accounts
          described in Article VIII(2)(c)(ii)(B), in which assets of the Trust
          may be invested under the applicable provisions of this Plan,
          including Article VIII.

(66)      INVESTMENT MANAGER:

          Investment manager as defined in Section 3(38) of ERISA.

(67)      JOINT AND SURVIVOR ANNUITY:

          An annuity under which joint and survivor benefits are paid to the
          Participant for his life, and, following the Participant's death, are
          paid to the Participant's Spouse during the Spouse's lifetime at a
          rate equal to fifty percent (50%) of the rate at which such benefits
          are payable to the Participant, provided that with respect to a
          Participant who is not married on the Annuity Starting Date, the
          Joint and Survivor Annuity is a single life annuity payable to the
          Participant.

(68)      LEVERAGED SHARES:

          Shares of Company Stock acquired by the Trustee with the proceeds of
          an Acquisition Loan pursuant to Article VI(2).

(69)      LIMITATION YEAR:

          The Plan Year.

(70)      LOAN SUSPENSE ACCOUNT:

          The account under which Leveraged Shares are held until released for
          allocation pursuant to Article VI(3).

(71)      MATCHING CONTRIBUTIONS:

          Allocations pursuant to Article III(4).

(72)      MATERNITY OR PATERNITY ABSENCE:





                                       19
<PAGE>   31
          Any period up to two years that begins after December 31, 1984, in
          which an employee of the Employer is absent from work by reason of
          such employee's pregnancy, the birth of such employee's child, or the
          placement of a child with such employee in connection with adoption
          by such employee, or for purposes of caring for such a child for a
          period immediately following such birth or placement.  An absence
          shall not be treated as a Maternity or Paternity Absence unless the
          Employee furnishes to the Committee such timely information as the
          Committee may reasonably require to establish that the absence is for
          the permitted reasons and the length of such absence.

(73)      MONEY PURCHASE PENSION COMPONENT:

          The component of the Plan consisting of a money purchase pension
          plan.  The Money Purchase Pension Component consists of all
          Nonelective Contributions that are made with respect to a period on
          or after January 1, 1998, other than (a) Discretionary Allocations
          and (b) that portion of the Nonelective Contributions attributable to
          Employing Company Acquisition Loan Contributions; provided that, with
          respect to the period from January 1, 1998 to December 31, 1998, the
          Money Purchase Pension Component shall also not include Nonelective
          Contributions provided on behalf of Eligible Nonelective Contribution
          Employees described in Section (37)(b).

(74)      MONEY PURCHASE PENSION PLAN:

          The All*AmerUs Savings & Retirement Money Purchase Pension Plan.

(75)      NAMED FIDUCIARY:

          Named fiduciary as defined in Section 402(a)(2) of ERISA.

(76)      1998 AMENDMENT AND RESTATEMENT:

          This amendment and restatement of the Plan, as executed in 1998.

(77)      NONELECTIVE CONTRIBUTIONS:

          Allocations pursuant to Sections (5), (6), (7), and (8) of Article
          III.

(78)      NORMAL RETIREMENT AGE:

          With respect to a Participant, the later of (a) the date the
          Participant attains age 65, or (b) the fifth anniversary of the date
          the Participant commenced participation in the Plan (determined in
          accordance with Code Section 411(a)(8)).





                                       20
<PAGE>   32
(79)      PARTICIPANT:

          An Employee (or employee or former employee of the Employer or a
          predecessor employer)) (a) with respect to whom an amount has been
          credited to his Account, and (b) who continues to have rights or
          contingent rights to benefits under this Plan.

(80)      PERIOD OF SEVERANCE:

          A period of time commencing with an employee's Severance Date and
          ending with the date on which he is next credited with an Hour of
          Service; provided, however, that a Period of Severance shall not
          include (a) any period explicitly included in the definition of
          Service, or (b) any period that is a Maternity or Paternity Absence.

(81)      PLAN:

          The All*AmerUs Savings & Retirement Plan, the terms of which are
          herein set forth.  With respect to the period from January 1, 1998 to
          December 31, 1998, the term "Plan" shall also refer to the All*AmerUs
          Savings & Retirement Money Purchase Pension Plan in accordance with,
          and to the extent provided in, the Introduction to this document and
          Article XIV(19).  Accordingly, with respect to the period from
          January 1, 1998 to December 31, 1998, all provisions contained in
          this document (a) shall apply to the All*AmerUs Savings & Retirement
          Plan except to the extent that a provision is expressly limited to
          the All*AmerUs Savings & Retirement Money Purchase Pension Plan or
          the context indicates otherwise, and (b) shall apply to the
          All*AmerUs Savings & Retirement Money Purchase Pension Plan except to
          the extent that a provision is expressly limited to the All*AmerUs
          Savings & Retirement Plan or the context indicates otherwise.

(82)      PLAN SPONSOR:

          The Corporation.

(83)      PLAN YEAR:

          The twelve-month period beginning each January 1 and ending on the
          next following December 31.

(84)      PREDECESSOR PLAN:

          A plan that has been merged, consolidated, or transferred into this
          Plan, in whole or in part.





                                       21
<PAGE>   33
(85)      PRE-RETIREMENT SURVIVOR ANNUITY:

          An annuity for the life of the Participant's Spouse.

(86)      PRIOR PLAN:

          The following shall each be treated as a Prior Plan: the Money
          Purchase Pension Plan, the AmVestors Financial Corporation Money
          Purchase Pension Plan, and the AmVestors Financial Corporation
          Employees' Stock Ownership Plan.  Any reference in this Plan to a
          Prior Plan, either by use of such term or by use of the name set
          forth in the preceding sentence, shall be a reference to such Prior
          Plan as in effect as of December 31, 1998, except to the extent
          otherwise provided in this Plan or to the extent that the context
          clearly indicates otherwise.

(87)      PRIOR PLAN PARTICIPANT:

          An Employee (or employee or former employee of the Employer or a
          predecessor employer) (a) with respect to whom an amount had been
          credited to his account under a Prior Plan, and (b) who continued to
          have rights or contingent rights to benefits under a Prior Plan as of
          December 31, 1998.

(88)      PROFIT-SHARING COMPONENT:

          The component of the Plan consisting of a profit-sharing plan,
          including a qualified cash or deferred arrangement described in Code
          Section 401(k).  The Profit-Sharing Component consists of all amounts
          that are not contained in the Money Purchase Pension Component or the
          Stock Bonus Component.

(89)      QNEC:

          Qualified nonelective contribution as defined in Treasury Regulation
          Section 1.401(k)-1(g)(13) (or any applicable successor provision).

(90)      QUALIFIED ELECTION PERIOD:

          With respect to any Participant, the six-Plan Year period beginning
          with the later of (a) the first Plan Year in which the Participant
          becomes a Qualified Participant, or (b) the earlier of (i) the Plan
          Year that commences January 1, 1999, or (ii) the first day of the
          Participant's "diversification election period" under Article 10 (or
          a predecessor provision) of the AmVestors Financial Corporation
          Employees' Stock Ownership Plan (as in effect on December 31, 1998).

(91)      QUALIFIED MILITARY SERVICE:





                                       22
<PAGE>   34
          Qualified military service as defined in Code Section 414(u)(5).

(92)      QUALIFIED PARTICIPANT:

          Any Participant or Prior Plan Participant who has (a) attained age
          55, and (b) completed at least 10 years of participation under the
          Plan (or a Precedessor Plan) determined in accordance with Code
          Section 401(a)(28), provided that years of participation under the
          Plan (or a Predecessor Plan) prior to the addition of an ESOP feature
          shall be taken into account in the same manner as years of
          participation after the addition of the ESOP feature, provided
          further that no year shall be counted more than once with respect to
          any Participant or Prior Plan Participant.

(93)      QUALIFIED RETIREMENT PLAN LOAN:

          Any loan from this Plan or any other retirement plan of the Employer
          that is made to a participant or beneficiary thereunder and that is
          subject to Code Section 72(p).

(94)      REEMPLOYMENT COMMENCEMENT DATE:

          The first date for which an employee is credited with an Hour of
          Service for the performance of duties after:

          (a)         For purposes of determining eligibility to participate in
                      the Plan, the first Computation Period in which the
                      employee incurs a Break in Service, or

          (b)         For purposes of Article VII, a Period of Severance.

(95)      REGULAR EMPLOYEE:

          Any Employee who is scheduled to work, on a regular basis and for an
          indefinite period, at least 20 hours per week for one or more
          Employing Companies.  The determination as to whether an Employee
          meets the requirements of the preceding sentence shall be made as of
          the date the Employee is hired (or rehired) as an Employee.  An
          Employee who was not described in the first sentence of this Section
          (95) as of the date of hire or rehire as an Employee shall become a
          Regular Employee as of the first day of the first calendar month
          beginning after the Committee is notified that the Employee's
          schedule has changed so that he is scheduled to work, on a regular
          basis and for an indefinite period, at least 20 hours per week for
          one or more Employing Companies.  An Employee who was described in
          the first sentence of this Section (95) as of the





                                       23
<PAGE>   35
          date of hire or rehire as an Employee shall cease to be a Regular
          Employee as of the first day of the first calendar month beginning
          after the Committee is notified that the Employee's schedule has
          changed so that he is not scheduled to work, on a regular basis and
          for an indefinite period, at least 20 hours per week for one or more
          Employing Companies.

(96)      RETIRE or RETIREMENT:

          A Termination of Employment by an Eligible Employee for a reason
          other than death on a date that is (a) on or after the date the
          Eligible Employee attained age 55, and (b) on or after the date the
          Eligible Employee attained five years of Service.

(97)      ROLLOVER ACCOUNT:

          The portion of an Account reflecting Rollover Contributions made by a
          Participant as provided in Article III(3) and as adjusted each
          Valuation Date.

(98)      ROLLOVER CONTRIBUTION:

          A transfer described in Code Section 402(c)(1) or 403(a)(4)(A), a
          payment described in Code Section 401(a)(31) or 408(d)(3)(A)(ii), or
          an Elective Transfer.

(99)      SECTION 415 COMPENSATION:

          Section 415 Compensation for a Plan Year shall mean compensation as
          defined in Treasury Regulation Section 1.415-2(d)(11)(i) (or any
          applicable successor provision) (including amounts paid or reimbursed
          by the employer for moving expenses incurred by the employee, but
          only to the extent that such amounts are described in Treasury
          Regulation Section 1.415- 2(d)(11)(i) (or any applicable successor
          provision)); provided that for Plan Years beginning after December
          31, 1997, Section 415 Compensation shall also include amounts
          described in Code Section 415(c)(3)(D).

(100)     SERVICE:

          All periods of time from a person's Employment Commencement Date (or
          from a subsequent Reemployment Commencement Date) until such person's
          next Severance Date, subject to the other provisions of this Section
          (100), provided that no period shall be treated as Service under more
          than one subsection (or portion thereof) of this Section (100).





                                       24
<PAGE>   36
         (a)     If an employee of the Employer quits, is discharged, or
                 retires, and then performs an Hour of Service within twelve
                 (12) months after his Severance Date, the Period of Severance
                 shall be included in Service.  Notwithstanding the foregoing,
                 if an employee of the Employer quits, is discharged, or
                 retires during an absence (with or without pay) of twelve (12)
                 months or less for any reason other than quitting, discharge,
                 retirement, or death, the Period of Severance shall be
                 included in Service only if he performs an Hour of Service
                 within twelve (12) months after the date he was first absent.

         (b)     Service shall include:

                 (i)      Service credited under the terms of a Predecessor
                          Plan (unless lost under the Predecessor Plan's terms);

                 (ii)     Any service credited under an Appendix to this Plan;

                 (iii)    Periods of employment with a predecessor to the
                          Employer to the extent that the periods are credited
                          under a plan of the predecessor that is continued by
                          the Employer or to the extent otherwise required by
                          law;

                 (iv)     A leave of absence approved by the Employer in
                          writing; provided, however, that if an individual
                          does not return from leave, his Service shall only
                          include the first year of leave; and

                 (v)      A period of employment in a uniformed service (as
                          defined in the Uniformed Services Employment and
                          Reemployment Rights Act of 1994), if the Participant
                          was an Employee before his employment in the
                          uniformed service and he returns to employment with
                          the Employer before his reemployment rights under the
                          statute expire.

         (c)     To the extent required by law, Service shall not be considered
                 interrupted by, and/or shall include, Qualified Military
                 Service and/or leaves of absence.

         (d)     In the case of an employee of the Employer who incurs a Period
                 of Severance, and who immediately before such Period of
                 Severance has not met the requirements for a vested benefit,
                 and who again becomes an employee of the Employer, Service
                 shall not include any Service before such Period of Severance
                 if the length of the Period of Severance equals or exceeds the
                 greater of (i) five (5) years, or (ii) the length of the
                 employee's Service before the Period of Severance.





                                       25
<PAGE>   37
         (e)     Non-successive periods of Service and less than whole month
                 periods of Service shall be aggregated on the basis that 30
                 days of Service equals one whole month of Service.

(101)    SEVERANCE DATE:

         The earlier of:

         (a)     The date on which an employee has a termination of employment
                 with respect to the Employer by reason of a discharge, quit,
                 retirement, or death, provided that the determination as to
                 whether an employee has had a termination of employment shall
                 be determined under the rules applicable for purposes of Code
                 Section 401(a), or

         (b)     The date 12 months after the date on which an employee of the
                 Employer first becomes absent from the service of the Employer
                 (with or without pay) for any other reason.

(102)     SHARES:

          Shares of Company Stock.

(103)     SPOUSE:

          The lawful female wife of a male Participant, or the lawful male
          husband of a female Participant, on the date of the Participant's
          death, except that for purposes of Article IX(3)(c) and all Plan
          provisions related to Joint and Survivor Annuities, an individual
          shall only be a Spouse if such individual was the lawful female wife
          of a male Participant or the lawful male husband of a female
          Participant as of the Annuity Starting Date.  A former spouse will be
          treated as the Spouse and a current spouse will not be treated as the
          Spouse to the extent provided under a qualified domestic relations
          order (within the meaning of Code Section 414(p)).  If, pursuant to
          the preceding sentence, more than one individual is treated as a
          Spouse of a Participant, the total amount to be paid in the form of a
          Pre-Retirement Survivor Annuity, in the form of the survivor portion
          of a Joint and Survivor Annuity, or in any other form shall not
          exceed the amount that would be paid if there were only one Spouse,
          determined in accordance with Code Sections 401(a)(13) and 414(p).

 (104)    STOCK BONUS COMPONENT:





                                       26
<PAGE>   38
          The component of the plan consisting of a stock bonus plan under Code
          Section 401(a) and constituting the ESOP Feature.  The Stock Bonus
          Component consists of all amounts invested in the ESOP Fund.

(105)     SUPPLEMENTAL BEFORE-TAX CONTRIBUTIONS:

          Before-Tax Contributions elected by a Participant pursuant to Article
          III(2)(b).

(106)     SUPPLEMENTAL PERCENTAGE:

          The percentage determined under Appendix B.

(107)     SUSPENSION PERIOD:

          With respect to any Eligible Employee, the twelve-month period that
          commences on the date of a withdrawal by such Eligible Employee under
          Article IV(1).

(108)     TERMINATION OF EMPLOYMENT:

          Termination of employment from the Employer, subject to the following
          provisions:

          (a)         With respect to Before-Tax Contributions (and the
                      earnings attributable thereto) and QNECs (and the
                      earnings attributable thereto), the term "Termination of
                      Employment" shall mean a separation from the service
                      (within the meaning of Code Section 401(k)(2)(B)(i)(I))
                      of the Employer, provided that an event described in Code
                      Section 401(k)(10)(A)(ii) or (iii) (taking into account
                      Code Section 401(k)(10)(B) and (C)) shall be treated as a
                      separation from the service of the Employer for this
                      purpose.

          (b)         An event shall not be treated as a Termination of
                      Employment with respect to that portion of a
                      Participant's Account that, in connection with such
                      event, is transferred from the Plan to another plan,
                      which other plan is qualified under Code Section 401(a)
                      or 403(a) and is maintained by the employer by which the
                      Participant becomes employed in connection with the
                      event.  For purposes of this subsection (b), a transfer
                      shall not include an Elective Transfer, but shall include
                      a merger or consolidation of any part of this Plan with a
                      plan described in the preceding sentence.

(109)     TRANSFERRED AMOUNTS:

          Amounts transferred to the Trustee pursuant to Article III(11).





                                       27
<PAGE>   39
(110)     TRUST:

          The trust or trusts under which the assets of the Plan are held and
          invested, provided that where necessary or appropriate in context,
          such term shall refer to all or fewer than all of such trusts.

(111)     TRUST AGREEMENT:

          The agreement or agreements pursuant to which the Trust Fund is held,
          provided that where necessary or appropriate in context, such term
          shall refer to all or fewer than all of such agreements.

(112)     TRUST FUND:

          A term used to refer to assets held in the Trust under the Plan.

(113)     TRUSTEE:

          The trustee or trustees of the Trust, provided that where necessary
          or appropriate in context, such term shall refer to all or fewer than
          all of such trustees.

(114)     UNALLOCATED DIVIDENDS:

          Cash dividends on Leveraged Shares that are not allocated to a
          Participant's Account.

(115)     UNIT OR UNIT VALUE:

          The method by which the value of a Participant's Account is measured,
          as described in Article VIII(5).

(116)     VALUATION DATE:

          The close of business on the day on which a transaction is processed.

(117)     YEAR OF ELIGIBILITY SERVICE:

          (a)         With respect to any individual, a period of twelve
                      consecutive months (1) during which the individual
                      completes 1,000 or more Hours of Service and (2) that
                      ends on (A) the individual's first anniversary of his
                      Employment Commencement Date (or Reemployment
                      Commencement Date, if applicable), (B) the last day of
                      the Plan Year that contains the individual's first
                      anniversary of his





                                       28
<PAGE>   40
                      Employment Commencement Date (or Reemployment
                      Commencement Date, if applicable), or (C) the last day of
                      any subsequent Plan Year.  A Year of Eligibility Service
                      is deemed completed as of the close of the last day of
                      the twelve-month period that comprises such year.

          (b)         Any service otherwise creditable for purposes of Article
                      II to a period prior to January 1, 1998 (determined under
                      the terms of the Plan in effect prior to January 1, 1998)
                      shall be so credited (but only to the extent such service
                      is not otherwise creditable under Section (117)(a)).

          (c)         Any service creditable to an individual for eligibility
                      purposes as of December 31, 1998 under a Prior Plan
                      (without regard to whether such individual participated
                      in a Prior Plan as of December 31, 1998 or as of any
                      prior date) shall be credited for purposes of Article II
                      (but only to the extent that such service is not
                      otherwise creditable under Section (117)(a)).

          (d)         In the case of an employee of the Employer who incurs one
                      or more consecutive Breaks in Service, who immediately
                      before such Breaks in Service has not met the
                      requirements for a vested benefit, and who again becomes
                      an employee of the Employer, service before such Breaks
                      in Service shall be disregarded for all purposes in
                      determining the employee's Years of Eligibility Service
                      if the number of consecutive Breaks in Service equals or
                      exceeds the greater of (i) five or (ii) the number of the
                      employee's Years of Eligibility Service before the Breaks
                      in Service.





                                       29
<PAGE>   41
                                   ARTICLE II
                 EFFECTIVE DATE, ELIGIBILITY, AND PARTICIPATION


(1)       EFFECTIVE DATE:

          The Plan, as amended and restated herein, is effective as of January
          1, 1998, or such other date as indicated herein.  Article XVI
          contains additional provisions regarding the effective date of this
          1998 Amendment and Restatement.

(2)       ELIGIBILITY AND PARTICIPATION:

          (a)         Each Employee who was eligible to participate in the Plan
                      immediately before the Effective Date shall be an
                      Eligible Employee as of the Effective Date.  In the case
                      of an Employee who was eligible to participate in a Prior
                      Plan as of December 31, 1998, such Employee shall be an
                      Eligible Employee as of January 1, 1999.

          (b)         A Regular Employee who does not qualify under subsection
                      (a) shall be eligible to participate in the Plan as of
                      the first Entry Date coincident with or next following
                      the later of (i) the Effective Date, or (ii) the date he
                      becomes a Regular Employee (or becomes a Regular Employee
                      again in the case of a former Regular Employee).

          (c)         Each Employee who has not become eligible to participate
                      in the Plan pursuant to subsections (a) or (b) shall be
                      eligible to participate as of the first Entry Date
                      following his completion of one Year of Eligibility
                      Service, provided that he is then an Employee.

          (d)         Notwithstanding the foregoing, if a former Employee is
                      reemployed as an Employee and, as of the date of such
                      reemployment, is credited with at least one Year of
                      Eligibility Service, such Employee shall be eligible to
                      participate in the Plan as of the later of (i) the Entry
                      Date described in subsection (c), or (ii) the date of his
                      reemployment as an Employee.

          (e)         Participation in this Plan is voluntary.  Any Eligible
                      Employee may become a Participant as of the date
                      specified in Article III(1)(c) (or in other provisions of
                      Article III) by properly following the enrollment
                      procedures established by the Committee.

          (f)   (i)   Any Eligible Employee shall be eligible to participate in
                      the Plan with respect to making a Rollover Contribution.





                                       30
<PAGE>   42
                (ii)  Any individual who has an Account under the Plan by
                      reason of a transfer, merger, or consolidation described
                      in Article III(11) shall be a Participant with respect to
                      such Transferred Amount, provided that the determination
                      of whether an individual is an Eligible Employee shall be
                      made without regard to this subsection (f)(ii).

          (g)         Notwithstanding anything herein to the contrary, an
                      individual shall cease to be eligible to participate
                      under the Plan as of the date that he ceases to be an
                      Eligible Employee.  See Article IX(2) with respect to the
                      treatment of an individual who ceases to be an Eligible
                      Employee but remains employed by the Employer.





                                       31
<PAGE>   43
                                  ARTICLE III
                                 CONTRIBUTIONS


(1)       CONTRIBUTION ELECTIONS:

          (a)         Except as otherwise provided herein, this Section (1)
                      applies only to Before-Tax Contributions other than
                      Flexible Benefit Credit Before-Tax Contributions.
                      Flexible Benefit Credit Before-Tax Contributions are
                      subject to (i) the terms of the All*AmerUs Flexible
                      Benefit Plan, the applicable terms of which are
                      incorporated herein by reference, and (ii) subsections
                      (f) and (g).

          (b)         (i)           Except as otherwise provided in subsection
                                    (b)(ii), an Eligible Employee must enter
                                    into an agreement in a form acceptable to
                                    the Committee under which he elects
                                    Before-Tax Contributions (see Section (2)),
                                    in order to have such contributions
                                    credited to his Account.  Subject to the
                                    limitations set forth in this Article III,
                                    the Eligible Employee's contribution
                                    election must specify the percentage of the
                                    Eligible Employee's Compensation to be
                                    contributed to the Trust Fund as Before-Tax
                                    Contributions. The elected percentage must
                                    be in multiples of 1% of Compensation.  An
                                    Eligible Employee may elect Supplemental
                                    Before-Tax Contributions only if the Basic
                                    Before-Tax Contributions that will be made
                                    on his behalf are at the maximum level
                                    permitted under Section (2)(a) of this
                                    Article III.

                      (ii)          Effective as of January 1, 1999, this
                                    subsection (b)(ii) shall apply to:

                                  (A)      Any individual who becomes an
                                           Eligible Employee for the first time
                                           on a date after December 31, 1998;

                                  (B)      Any individual who had been an
                                           Eligible Employee and becomes an
                                           Eligible Employee again on a date
                                           after December 31, 1998; and

                                  (C)      Any individual who is an Eligible
                                           Employee on December 31, 1998, but
                                           who has not had Before-Tax
                                           Contributions made on his behalf
                                           with respect to any period after
                                           June 30, 1996 and before January 1,
                                           1999.





                                       32
<PAGE>   44
                                  Except as otherwise provided in this
                                  subsection (b), any individual to whom this
                                  subsection (b)(ii) applies shall be deemed to
                                  have entered into an agreement under which he
                                  elects to have Basic Before-Tax Contributions
                                  made on his behalf in an amount equal to 2%
                                  of his Compensation for each pay period.
                                  Such deemed election shall be effective:

                                  (D)      Within an administratively
                                           reasonable time after the date the
                                           individual becomes an Eligible
                                           Employee, in the case of an
                                           individual described in subsection
                                           (b)(ii)(A);

                                  (E)      Within an administratively
                                           reasonable time after the date the
                                           individual becomes an Eligible
                                           Employee again, in the case of an
                                           individual described in subsection
                                           (b)(ii)(B); or

                                  (F)      As of January 1, 1999, in the case
                                           of an individual described in
                                           subsection (b)(ii)(C), provided that
                                           to the extent that a suspension
                                           described in Article IV(1)(d)(ii) is
                                           applicable to a contribution
                                           election, the effective date of such
                                           deemed election shall be the first
                                           day after the expiration of the
                                           Suspension Period.

                          (iii)   For all purposes under this Plan, a deemed
                                  election under subsection (b)(ii) shall be
                                  treated in the same manner as an actual
                                  election under subsection (b)(i) to have
                                  Before-Tax Contributions made on his behalf.
                                  Thus, for example, a deemed election shall
                                  remain in effect as provided in subsection
                                  (d) until the Eligible Employee changes or
                                  suspends the election as provided in
                                  subsection (e).  Notwithstanding the
                                  foregoing, an individual shall not be treated
                                  as having made a deemed election under
                                  subsection (b)(ii) if such individual makes
                                  (A) an actual election under subsection
                                  (b)(i) to have Before-Tax Contributions made
                                  on his behalf, or (B) an actual election in a
                                  form acceptable to the Committee under which
                                  he elects not to have Before-Tax
                                  Contributions made on his behalf.  In order
                                  for such an actual election to prevent an
                                  individual from being treated as having made
                                  a deemed election under subsection (b)(ii),
                                  the Committee must receive notice of such
                                  actual election, in accordance with





                                       33
<PAGE>   45
                                  procedures established by the Committee,
                                  within an administratively reasonable time
                                  prior to the date on which his Compensation
                                  would first be reduced pursuant to the deemed
                                  election; provided that for this purpose, an
                                  actual election not to have Before-Tax
                                  Contributions made on his behalf must be made
                                  on or after January 1, 1999.

                          (iv)    The Committee shall provide such notice and
                                  take such other actions to ensure that
                                  individuals described in subsection (b)(ii)
                                  have an effective opportunity to make an
                                  actual election described in subsection
                                  (b)(iii).

          (c)         An Eligible Employee's contribution election shall become
                      effective as follows:

                      (i)       If an Employee is an Eligible Employee
                                immediately before and as of the Effective
                                Date, a contribution election in effect
                                immediately before the Effective Date shall
                                remain in effect until such time as it is
                                changed or suspended in accordance with the
                                terms of this Plan.

                      (ii)      The contribution election of an Eligible
                                Employee who:

                                    (A)       has suspended contributions
                                              either voluntarily or as a result
                                              of a suspension described in
                                              Article IV(1)(d)(ii); or

                                    (B)       meets the eligibility
                                              requirements of Article II (other
                                              than an Eligible Employee
                                              described in subparagraph (i)
                                              above);

                                    shall be effective within an
                                    administratively reasonable time after such
                                    election is received by the Committee,
                                    provided the election is submitted in
                                    accordance with the Committee's procedures,
                                    and provided further, to the extent that a
                                    suspension described in Article
                                    IV(1)(d)(ii) is applicable to a
                                    contribution election, the effective date
                                    of such election shall not be before the
                                    expiration of the Suspension Period.

          (d)         Subject to the limitations set forth in this Article III,
                      an Eligible Employee's contribution election shall remain
                      in effect until the Eligible Employee changes or suspends
                      the election as provided in subsection (e) of this
                      Section (1).  If an individual ceases to be an





                                       34
<PAGE>   46
                      Eligible Employee, his contribution election will be
                      terminated, and no further Before-Tax Contributions will
                      be made under this Article III to the Plan on his behalf
                      unless and until he again becomes an Eligible Employee
                      and a new election becomes effective. In the event of an
                      adjustment in Compensation, the dollar amount of
                      contributions shall thereafter be automatically adjusted
                      in accordance with the percentages set forth in the
                      contribution election which is in effect at the time the
                      adjustment in Compensation is made.

          (e)         An Eligible Employee may suspend or change the level of
                      Before-Tax Contributions effective within an
                      administratively reasonable time after the  Committee
                      receives notice, in accordance with the procedures
                      established by the Committee, of such suspension or
                      change.  A contribution election, as so modified, shall
                      thereafter remain in effect as provided in subsection
                      (d).

          (f)         Any Before-Tax Contributions made pursuant to an Eligible
                      Employee's contribution election shall be paid into the
                      Trust Fund for investment according to the investment
                      options selected by the Eligible Employee pursuant to
                      Article VIII.

          (g)         Notwithstanding anything herein to the contrary, the
                      effective date of a contribution election (under
                      subsection (c)) or a contribution modification election
                      (under subsection (e)) shall be delayed for any reasons
                      that are appropriate in the sole and absolute discretion
                      of the Committee, taking into account its duties under
                      ERISA.  Such a reason could include, for example, a
                      technological malfunction affecting the implementation of
                      contribution elections and/or contribution modification
                      elections.  In the case of a delay pursuant to this
                      subsection (g), the effective date of an affected
                      contribution election or contribution modification
                      election shall be within an administratively reasonable
                      time after the first date on which the reason for the
                      delay no longer applies.

          (h)         For purposes of all Plan provisions relating to
                      contribution elections, any individual who shall become
                      an Eligible Employee as of a specified date shall, during
                      the period prior to such date, be entitled to make,
                      suspend, or change his contribution election effective as
                      of such date in the same manner and subject to the same
                      rules as apply to Eligible Employees.

(2)       BEFORE-TAX CONTRIBUTIONS:





                                       35
<PAGE>   47
          Before-Tax Contributions consist of Basic Before-Tax Contributions
          and Supplemental Before-Tax Contributions.  An Eligible Employee may
          elect with respect to any pay period:

          (a)         Basic Before-Tax Contributions up to a limit of 4% of his
                      Compensation for such pay period, and

          (b)         Supplemental Before-Tax Contributions up to a limit equal
                      to the sum of (i) 11% of his Compensation for such pay
                      period, and (ii) any Flexible Benefit Credit Before-Tax
                      Contribution made on his behalf with respect to such pay
                      period.

          Notwithstanding the foregoing, an Eligible Employee may not have
          Supplemental Before-Tax Contributions contributed with respect to a
          pay period unless the Eligible Employee's Basic Before-Tax
          Contributions with respect to such pay period equal 4% of his
          Compensation for such pay period.

          Accordingly, with respect to an Eligible Employee, a Flexible Benefit
          Credit Before-Tax Contribution made with respect to a pay period
          shall be treated as a Basic Before-Tax Contribution to the extent
          that Before-Tax Contributions for the pay period on behalf of the
          Eligible Employee are less than 4% of the Eligible Employee's
          Compensation for the pay period. All other Flexible Benefit Credit
          Before-Tax Contributions shall be treated as Supplemental Before-Tax
          Contributions.

(3)       ROLLOVER CONTRIBUTIONS:

          (a)         The Committee may in its sole and absolute discretion
                      permit an Eligible Employee to make one or more Rollover
                      Contributions to the Trust Fund.  For purposes of making
                      a decision as to whether to permit a Rollover
                      Contribution by an Eligible Employee, the Committee may
                      in its sole and absolute discretion require the Eligible
                      Employee or other parties to provide such information or
                      documentation as the Committee deems appropriate.  The
                      Committee may but is not required to establish such rules
                      and procedures as it deems appropriate with respect to
                      the manner in which it will exercise its sole and
                      absolute discretion under this Section (3)(a).

          (b)         A Rollover Contribution with respect to an Eligible
                      Employee shall be credited to the Account of such
                      Eligible Employee.  No Matching Contributions will be
                      made with respect to a Rollover Contribution.





                                       36
<PAGE>   48
(4)       MATCHING CONTRIBUTIONS:

          Subject to the limitations set forth in this Article III, with
          respect to a Plan Year, the Employing Companies shall cause a
          Matching Contribution to be allocated to the Account of each Eligible
          Employee in an amount equal to 125% of the Basic Before-Tax
          Contributions made on behalf of such Eligible Employee.

(5)       CORE NONELECTIVE CONTRIBUTIONS:

          (a)         Subject to the limitations set forth in this Article III,
                      with respect to a Plan Year, the Employing Companies
                      shall cause a Core Nonelective Contribution to be
                      allocated to the Account of each Eligible Nonelective
                      Contribution Employee in an amount equal to the greater
                      of (i) 4% of such Eligible Nonelective Contribution
                      Employee's Compensation for the Plan Year, or (ii) the
                      amount described in Section (5)(b).

          (b)         With respect to an Eligible Nonelective Contribution
                      Employee, the amount described in this Section (5)(b) is
                      the sum of (i) the value of the Shares that, for the Plan
                      Year, have been released from the Loan Suspense Account
                      in accordance with Article VI(3)(b) and that are
                      allocated to the Account of the Eligible Nonelective
                      Contribution Employee in accordance with Article
                      VI(3)(e)(i), and (ii) the excess of (A) 4% of the
                      Eligible Nonelective Contribution Employee's Compensation
                      for the Plan Year, over (B) the portion of the total
                      Employing Company Acquisition Loan Contributions for the
                      Plan Year that bears the same relationship to all of such
                      Employing Company Acquisition Loan Contributions for the
                      Plan Year as the Eligible Nonelective Contribution
                      Employee's Compensation for the Plan Year bears to the
                      total Compensation of all Eligible Nonelective
                      Contribution Employees for the Plan Year.  For purposes
                      of subparagraph (B), the amount of the Employing Company
                      Acquisition Loan Contributions shall be the amount of
                      such contributions determined as if no Acquisition Loans
                      had been made on or after October 1, 1998.

(6)       INTERIM SUPPLEMENTAL CONTRIBUTIONS:

          Subject to the limitations set forth in this Article III, with
          respect to a Plan Year, the Employing Companies shall cause an
          Interim Supplemental Contribution to be allocated to the Account of
          each Interim Benefit Supplement Employee in an amount equal to the
          excess of (a) the Supplemental Percentage of such Interim Benefit
          Supplement Employee's Compensation for the Plan Year over (b) the sum
          of the Excess Core





                                       37
<PAGE>   49
          Nonelective Contribution and the Discretionary Allocation allocated
          on behalf of such Interim Benefit Supplement Employee for the Plan
          Year.

(7)       GRANDFATHERED AMVESTORS SUPPLEMENTAL CONTRIBUTIONS:

          Subject to the limitations set forth in this Article III, with
          respect to a Plan Year, the Employing Companies shall cause a
          Grandfathered AmVestors Supplemental Contribution to be allocated to
          the Account of each Grandfathered AmVestors Employee in an amount
          equal to the excess (if any) of (a) the Grandfathered AmVestors
          Percentage of the Grandfathered AmVestors Employee's Compensation for
          the Plan Year over (b) the sum of (i) 4% of such Grandfathered
          AmVestors Employee's Compensation for the Plan Year and (ii) the
          Discretionary Allocation allocated on behalf of such Grandfathered
          AmVestors Employee with respect to the Plan Year.

(8)       DISCRETIONARY CONTRIBUTIONS:

          Subject to the limitations set forth in this Article III, with
          respect to a Plan Year, each Employing Company may make a
          Discretionary Contribution on behalf of the Eligible Nonelective
          Contribution Employees.  The board of directors of the Employing
          Company may, in its sole and absolute discretion, make a separate
          determination for each Plan Year as to (a) whether to make a
          Discretionary Contribution and (b) if so, the amount of such
          Discretionary Contribution. If a Discretionary Contribution is made
          by an Employing Company with respect to a Plan Year, such
          Discretionary Contribution shall be allocated among the Eligible
          Nonelective Contribution Employees in proportion to the Compensation
          received from the Employing Company in that Plan Year by each
          Eligible Nonelective Contribution Employee.

(9)       CONTRIBUTIONS BY EMPLOYING COMPANIES:

          With respect to each Plan Year, each Employing Company shall
          contribute its share of the total amount needed to cause the total
          Employing Company Acquisition Loan Contribution to be made and to
          cause all of the Core Nonelective Contributions, Interim Supplemental
          Contributions, and Grandfathered AmVestors Supplemental Contributions
          to be allocated on behalf of Eligible Nonelective Contribution
          Employees.  The share contributed by each Employing Company shall
          bear the same relationship to the total of all such contributions as
          (a) the Compensation paid in the Plan Year by all Employing Companies
          to the Employing Company's Eligible Nonelective Contribution
          Employees bears to (b) the total Compensation paid in the Plan Year
          by all Employing Companies to all Eligible Nonelective Contribution
          Employees. For purposes of the preceding sentence, an Employing
          Company's Eligible Nonelective Contribution Employees shall be those
          Eligible Nonelective Contribution Employees who are on the regular
          payroll





                                       38
<PAGE>   50
          of such Employing Company on (c) the last day of the Plan Year or (d)
          in the case of an Eligible Nonelective Contribution Employee
          described in Article I(37)(b), the last day in the Plan Year before
          the Employee dies, becomes Disabled, or Retires.

(10)      LIMIT ON TOTAL EMPLOYING COMPANY CONTRIBUTIONS:

          Notwithstanding anything herein to the contrary, the total amount of
          contributions made by the Employing Companies to provide Matching
          Contributions, Nonelective Contributions, and Before-Tax
          Contributions for a taxable year may be limited in any manner
          determined by the Employing Companies in order to prevent any such
          contributions from being nondeductible for such taxable year under
          Section 404 of the Code or under any other applicable provisions of
          the Code.

(11)      PLAN TO PLAN TRANSFER:

          (a)         With respect to any Employee (or employee or former
                      employee of the Employer or a predecessor employer), the
                      Committee may in its sole and absolute discretion permit
                      the Trustee to accept, as part of the Trust Fund, assets
                      and liabilities that are (i) transferred from a plan
                      qualified under Code Section 401(a) or 403(a) or (ii)
                      received as a result of a merger or consolidation of such
                      a plan into this Plan.

          (b)         If such assets are allocable to current Participants in
                      the Plan, they shall be credited to Participants'
                      Accounts in accordance with applicable law, as directed
                      by the Committee.  If such assets are allocable to an
                      individual who is not a Participant, such individual
                      shall be treated as a Participant only to the extent
                      necessary to administer this Plan with respect to such
                      assets.

          (c)         Any Participant for whom such a transfer, merger, or
                      consolidation is made shall be entitled to receive
                      amounts attributable to the benefits accrued under the
                      first plan in any optional form of payment available to
                      the Participant under that plan to the extent required by
                      Code Section 411(d)(6).  Except as otherwise provided in
                      this Plan, optional forms of payment otherwise available
                      under this Plan shall also be available to such
                      Participant with respect to such amounts without regard
                      to whether such Participant was an Employee at any time.
                      For this latter purpose, amounts attributable to the
                      first plan shall be treated in the same manner as
                      analogous amounts attributable to this Plan.  Except as
                      otherwise provided in this Plan, amounts attributable to
                      the first plan shall also be treated in the same manner
                      as analogous amounts attributable to this Plan for all
                      other purposes under this Plan,





                                       39
<PAGE>   51
                      including, for example, Section (14) and Article VII.

          (d)         In the case of such a transfer, merger, or consolidation,
                      amounts attributable to the benefits accrued under the
                      first plan shall be held and administered in accordance
                      with applicable law.  To the extent required to comply
                      with applicable law, the provisions of such first plan,
                      including without limitation provisions regarding
                      withdrawal restrictions and spousal consent to
                      Distributions, shall be incorporated by reference into
                      this Plan.  On the other hand, provisions of such first
                      plan that are not required to comply with applicable law,
                      such as provisions regarding spousal consent to
                      Distributions under a plan to which Code Section
                      401(a)(11) does not apply, shall not be incorporated
                      herein by reference, but rather shall cease to apply
                      except as otherwise provided herein.

          (e)         Any contributions made under this Plan (along with income
                      earned under this Plan) shall be paid only in the
                      distribution forms available under Articles IV and IX,
                      and any distribution form available under the first plan
                      that is not available under this Plan shall be deemed to
                      be eliminated prospectively under this Plan, effective on
                      the day the transfer becomes effective.

          (f)         This Section (11) does not apply to any Rollover
                      Contribution to which Section (3) applies.

(12)      NONDISCRIMINATION RULES:

          This Section (12) shall only apply to the extent required by law.

          (a)         Contributions and forfeitures under the Plan shall
                      satisfy the actual deferral percentage test set forth in
                      Code Section 401(k)(3) and the contribution percentage
                      test set forth in Code Section 401(m)(2) (taking into
                      account all applicable rules as of the effective date of
                      such rules, including the rules under Code Section
                      401(m)(9) regarding multiple use of the alternative
                      limitation and the rules regarding aggregation of plans
                      and contributions), as incorporated herein by reference.
                      Any initial violation of the rule regarding multiple use
                      of the alternative limitation shall be deemed to be an
                      initial violation of the contribution percentage test
                      (rather than a violation of the actual deferral
                      percentage test) and accordingly shall be corrected in
                      the manner set forth in Section (12)(c).

          (b)         In the event that contributions under the Plan initially
                      fail to satisfy the actual deferral percentage test set
                      forth in Code Section 401(k)(3),





                                       40
<PAGE>   52
                      such failure shall be corrected by the distribution,
                      within the period set forth in Code Section 401(k)(8), of
                      Excess Contributions (adjusted by any income or loss
                      attributable to such Excess Contributions) to the
                      Participants to whom such Excess Contributions are
                      distributable under Code Section 401(k)(8).  Any previous
                      distributions of Excess Deferral Amounts pursuant to
                      Section (13) shall be taken into account, in accordance
                      with applicable law, in determining the amount of Excess
                      Contributions for purposes of this Section (12)(b).

                      With respect to any Participant, the Excess Contributions
                      that are distributed shall be deemed to consist first of
                      Supplemental Before- Tax Contributions; and second, after
                      all such Supplemental Before-Tax Contributions have been
                      distributed, Basic Before-Tax Contributions.
                      Notwithstanding anything herein to the contrary, if a
                      Basic Before-Tax Contribution is distributed to a
                      Participant, the Matching Contribution allocated with
                      respect to such Basic Before-Tax Contribution shall be
                      forfeited except to the extent that such Matching
                      Contribution would be distributed pursuant to Section
                      (12)(c).

          (c)         In the event that contributions and forfeitures under the
                      Plan initially fail to satisfy the contribution
                      percentage test set forth in Code Section 401(m)(2), such
                      failure shall, except as otherwise provided in this
                      Section (12)(c), be corrected by the distribution, within
                      the period set forth in Code Section 401(m)(6), of Excess
                      Aggregate Contributions (adjusted by any income or loss
                      attributable to such Excess Aggregate Contributions) to
                      the Participants to whom such Excess Aggregate
                      Contributions are distributable under Code Section
                      401(m)(6). If a Forfeitable Matching Contribution would
                      be distributed under this Section (12)(c) but for this
                      sentence, such Matching Contribution shall be forfeited.
                      For purposes of the preceding sentence, a Forfeitable
                      Matching Contribution is a Matching Contribution that is
                      not vested under Article VII(2) as of the last day of the
                      Plan Year for which the Matching Contribution is
                      allocated.

          (d)         In the event that contributions and forfeitures under the
                      Plan initially fail to satisfy both the actual deferral
                      percentage test and the contribution percentage test, the
                      correction described in Section (12)(b) with respect to
                      the actual deferral percentage test shall apply first.

          (e)         For purposes of this Section (12), the determination of
                      the income or loss attributable to Excess Contributions
                      or Excess Aggregate Contributions shall be made in
                      accordance with Article VIII, provided that there shall
                      only be taken into account income or loss for the Plan





                                       41
<PAGE>   53
                      Year to which the Excess Contribution or Excess Aggregate
                      Contribution (as the case may be) relates.

          (f)         Distributions under this Section (12) shall be made
                      notwithstanding any other provision of the Plan.

          (g)         Notwithstanding anything herein to the contrary, with
                      respect to any Plan Year, the Employing Companies may, in
                      their sole and absolute discretion, make QNECs.  Any such
                      QNECs shall be allocated among the Accounts of all
                      Eligible Nonelective Contribution Employees in proportion
                      to their Compensation for the Plan Year, except to the
                      extent that the Employing Companies elect to allocate the
                      QNECs only among specific Employees that they designate.
                      Any such QNECs shall be taken into account for purposes
                      of applying this Section (12).

          (h)         For purposes of the tests in Code Sections 401(k)(3) and
                      401(m)(2) (taking into account all applicable rules as of
                      the effective dates of such rules, including the rules
                      under Code Section 401(m)(9) and the rules regarding the
                      aggregation of plans and contributions), as set forth in
                      this Section (12), Internal Revenue Service guidance that
                      has been or shall be issued under the applicable Code
                      Sections is hereby incorporated by reference, subject to
                      any applicable effective dates and transition rules
                      contained therein.

(13)      LIMIT ON ELECTIVE DEFERRALS:

          (a)         With respect to any Participant, the sum, for a calendar
                      year, of (i) Before-Tax Contributions under this Plan,
                      and (ii) Elective Deferrals under all other plans,
                      contracts, or arrangements maintained by the Employer,
                      shall not exceed the limit in effect for such year under
                      Code Section 402(g).

          (b)         If, notwithstanding the prohibition in Section (13)(a), a
                      Participant has exceeded the limit on Elective Deferrals
                      set forth in Code section 402(g) for a calendar year, the
                      Participant may request a distribution of any or all of
                      his Excess Deferral Amount, adjusted by income or loss
                      attributable thereto for the calendar year.  Such request
                      must be made in a manner prescribed by the Committee no
                      later than the following March 1.  Such request shall
                      include the Participant's statement of the Participant's
                      Excess Deferral Amount and the portion of such Excess
                      Deferral Amount requested to be distributed from the
                      Plan.  The Committee may require further information or
                      evidence from the Participant to establish the foregoing.
                      However, with respect to an Excess Deferral Amount that
                      exists taking into account solely





                                       42
<PAGE>   54
                      Elective Deferrals under plans, contracts, and
                      arrangements of the Employer, the Employer may submit the
                      request to the Committee and such request may be
                      submitted on or before the following April 15.

                      Any Excess Deferral Amount for which a request is
                      properly submitted under the preceding paragraph, and the
                      income or loss attributable thereto for the calendar year
                      to which the Excess Deferral Amount relates, shall be
                      distributed no later than April 15 of the immediately
                      succeeding calendar year, notwithstanding any other
                      provisions of the Plan.  The determination of income or
                      loss attributable to Excess Deferral Amounts shall be
                      made in accordance with Article VI.

                      A distribution made under this Section (13)(b) may be
                      made prior to the expiration of the calendar year to
                      which the excess deferral relates, but in no event
                      earlier than the date on which the Plan received the
                      excess deferral.

                      Any distribution made under this Section (13)(b) shall be
                      designated in a manner prescribed by the Committee as a
                      distribution of excess deferrals; the request submitted
                      by the Participant or the Employer shall be deemed to be
                      a designation by the Participant of the distribution as a
                      distribution of excess deferrals.

                      The Excess Deferral Amount shall be reduced in accordance
                      with Treasury Regulation Section 1.402(g)-1(e)(6) (or any
                      applicable successor provision).

(14)      MAXIMUM ADDITIONS:

          (a)         Notwithstanding anything contained herein to the
                      contrary, the Annual Addition of a Participant for any
                      Plan Year shall not exceed the limits set forth under
                      Code Sections 415(c)(1) and 415(d).

          (b)         If a Participant's projected Annual Addition for a Plan
                      Year would exceed the limitations of subsection (a), the
                      necessary reductions in Annual Additions shall be made
                      pursuant to Article III(15) and in the following order:
                      first, under this Plan, and secondly, under any other
                      Defined Contribution Plan.  Any reductions required under
                      this Plan to satisfy the limitations of subsection (a)
                      shall be made first, by reducing the amount of the
                      Participant's Supplemental Before-Tax Contributions;
                      second, by reducing the amount of the Participant's Basic
                      Before-Tax Contributions, which shall similarly reduce
                      the amount of related Matching Contributions; third, by
                      reducing the





                                       43
<PAGE>   55
                      Participant's Nonelective Contributions that are a part
                      of the Profit-Sharing Component; fourth, by reducing the
                      Participant's Nonelective Contributions that are a part
                      of the Stock Bonus Component; and fifth, by reducing the
                      Participant's Nonelective Contributions that are part of
                      the Money Purchase Pension Component.

          (c)         With respect to a Plan Year, if a Participant has at any
                      time been a Participant in any Defined Benefit Plan
                      maintained by the Employer, the sum of the Defined
                      Benefit Plan Fraction and the Defined Contribution Plan
                      Fraction for such Participant shall not exceed the limit
                      (if applicable with respect to such Plan Year) set forth
                      in Code Sections 415(e) and 415(d) (including any
                      applicable transition rules under Code Section 415(e)).
                      If the limitations of this subsection (c) are exceeded,
                      the Participant's projected annual benefit under the
                      Defined Benefit Plan shall be reduced in accordance with
                      the terms thereof to the extent necessary to satisfy this
                      limit.  If after such reduction, the limitations of this
                      subsection (c) are still exceeded, then the Participants'
                      Annual Addition will be reduced to the extent necessary
                      in accordance with subsection (b) or (d) (as applicable).

          (d)         If, notwithstanding subsections (a) through (c), the
                      Annual Addition to a Participant's Account for any Plan
                      Year would cause the limitations contained in subsection
                      (a) or (c) to be exceeded as a result of the allocation
                      of forfeitures, a reasonable error in estimating a
                      Participant's Compensation, a reasonable error in
                      determining the amount of Elective Deferrals that may be
                      made with respect to any Participant under the limits of
                      Code Section 415, or other circumstances which the
                      Internal Revenue Service deems sufficient to invoke the
                      rules of this provision, then such Annual Addition shall
                      be reduced, but only to the extent necessary to satisfy
                      such limitations, in the following manner and in the
                      following order:

                      (i)           The first reduction shall consist of
                                    Supplemental Before-Tax Contributions
                                    included in such Annual Addition, which
                                    together with any earnings attributable
                                    thereto, shall be returned to such
                                    Participant.

                      (ii)          The second reduction shall consist of Basic
                                    Before-Tax Contributions included in such
                                    Annual Addition, which, together with any
                                    earnings attributable thereto, shall be
                                    returned to such Participant; and the
                                    Participant's Account shall also be reduced
                                    by the amount of related Matching
                                    Contributions, including any earnings
                                    attributable thereto.





                                       44
<PAGE>   56
                      (iii)         The third reduction shall consist of
                                    Nonelective Contributions that are part of
                                    the Profit-Sharing Component and that are
                                    included in such Annual Addition (and any
                                    earnings attributable thereto).

                      (iv)          The fourth reduction shall consist of
                                    Nonelective Contributions that are a part
                                    of the Stock Bonus Component and that are
                                    included in such Annual Addition (and any
                                    earnings attributable thereto).

                      (v)           The fifth reduction shall consist of
                                    Nonelective Contributions that are a part
                                    of the Money Purchase Pension Component and
                                    that are included in such Annual Addition
                                    (and any earnings attributable thereto).

          (e)         Any reduction of Matching Contributions or Nonelective
                      Contributions under subsection (d)(ii), (iii), (iv), or
                      (v), shall be treated in accordance with Treasury
                      Regulation Section 1.415-6(b)(6)(ii) (or any applicable
                      successor provision).

          (f)         For purposes of applying this Section (14), a
                      Participant's compensation shall be such Participant's
                      Section 415 Compensation.

(15)     COMPLIANCE:

          Notwithstanding anything herein to the contrary, the Committee shall,
          on a prospective basis, reject any election under Section (2) or
          reduce the amount of Before-Tax Contributions elected (and the
          corresponding Matching Contributions), even if such election has
          already become effective, to the extent that the Committee, in its
          sole and absolute discretion, deems it necessary or appropriate to
          ensure that contributions under the Plan comply with the rules set
          forth in Sections (12), (13), or (14), or otherwise to ensure the
          Plan's qualified status or to ensure that the Plan's cash or deferred
          arrangement is qualified under Code Section 401(k).

          The Committee's authority under the preceding paragraph to reject or
          reduce an election based on the rules set forth in Section (12) or on
          other nondiscrimination rules shall apply not only to Highly
          Compensated Employees but also to Eligible Employees that the
          Committee considers in its sole and absolute discretion to be
          similarly situated.  For example, an individual who is first employed
          by the Employer in the current Plan Year may not be a Highly
          Compensated Employee but the Committee may, in its sole and absolute
          discretion, consider him to be similarly situated with respect to
          Highly Compensated Employees if, inter alia,





                                       45
<PAGE>   57
          such individual's rate of base pay equals or exceeds the dollar
          amount in effect in the preceding Plan Year under Code Section
          414(q)(1)(B)(i).

          Any reduced election under the first paragraph of this Section (15)
          shall be subject to all otherwise applicable requirements, including
          those set forth in Section (1)(b), provided that a reduced election
          attributable to the limits set forth in Sections (13)(a) or (14)
          shall only be subject to such requirements to the extent required by
          law.

          All acts of the Committee under this Section (15) shall be made in a
          manner permitted under the Code and ERISA.

(16)      HIGHLY COMPENSATED EMPLOYEE STATUS:

          Notwithstanding anything herein to the contrary, for purposes of all
          provisions of the Code that refer to the definition of "highly
          compensated employee" contained in Code Section 414(q), the
          definition in this Plan of "highly compensated employee" shall be the
          definition contained in Article I(60).





                                       46
<PAGE>   58
                                   ARTICLE IV
                                  WITHDRAWALS


(1)       HARDSHIP WITHDRAWALS:

          (a)         (i)           A Participant may, on account of hardship,
                                    withdraw any portion of his Account
                                    attributable to (A) Rollover Contributions,
                                    (B) Before-Tax Contributions (but not the
                                    earnings credited thereto as of a date on
                                    or after January 1, 1989), or (C) Matching
                                    Contributions.  A Participant shall be
                                    deemed to have incurred a hardship only if
                                    he demonstrates to the satisfaction of the
                                    Committee that the distribution is on
                                    account of an immediate and heavy financial
                                    need of the Participant and is necessary to
                                    satisfy the need.  The amount withdrawn may
                                    not exceed the portion of the Participant's
                                    Account attributable to the amounts
                                    described in the first sentence of this
                                    subsection (a)(i) reduced by any previous
                                    withdrawals and outstanding loans with
                                    respect to such amounts.  In determining
                                    the existence of a hardship and the amount
                                    required to be distributed to meet the need
                                    created by the hardship, the Committee
                                    shall act on the basis of such information
                                    and evidence as it shall require from the
                                    Participant.

                      (ii)          Any withdrawal under this Section (1) shall
                                    be made:  first, from the portion of his
                                    Account attributable to Rollover
                                    Contributions; second, from the portion of
                                    his Account equal to the earnings credited
                                    as of December 31, 1988 attributable to
                                    Before-Tax Contributions; third, from the
                                    portion of his Account equal to
                                    Supplemental Before-Tax Contributions;
                                    fourth, from the portion of his Account
                                    equal to Basic Before-Tax Contributions;
                                    and fifth, from the portion of his Account
                                    attributable to Matching Contributions.

          (b)         A request for a withdrawal will be considered to be on
                      account of an immediate and heavy financial need if the
                      withdrawal is for:

                      (i)           unreimbursable expenses for medical care
                                    (as defined in Code Section 213(d))
                                    previously incurred by the Participant, the
                                    Participant's spouse, or any dependents (as
                                    defined in Code Section 152) of the
                                    Participant, or





                                       47
<PAGE>   59
                                    necessary for these persons to obtain
                                    medical care described in Code Section
                                    213(d);

                      (ii)          costs directly related to the purchase of a
                                    principal residence for the Participant
                                    (excluding mortgage payments);

                      (iii)         payments for tuition, related educational
                                    fees, and room and board expenses for the
                                    next 12 months of post-secondary education
                                    for the Participant or the Participant's
                                    spouse, children, or dependents (as defined
                                    in Code Section 152); or

                      (iv)          payments necessary to prevent the
                                    Participant's eviction from his principal
                                    residence or foreclosure on the mortgage on
                                    the Participant's principal residence.

          (c)         A withdrawal will be considered necessary to satisfy an
                      immediate and heavy financial need if:

                      (i)           the distribution is not in excess of the
                                    amount of the immediate and heavy financial
                                    need (including, to the extent requested by
                                    the Participant, any amounts necessary to
                                    pay any income taxes or penalties
                                    reasonably anticipated to result from the
                                    distribution); and

                      (ii)          the Participant has obtained all
                                    distributions, other than hardship
                                    distributions, and all nontaxable (at the
                                    time of the loan) loans currently available
                                    under all plans maintained by the Employer.

          (d)         In the event of a hardship withdrawal by a Participant
                      under this Section (1):

                      (i)           the sum, for the following taxable year, of
                                    the Before-Tax Contributions made on behalf
                                    of the Participant under the Plan and other
                                    elective before-tax contributions made on
                                    behalf of the Participant under any other
                                    plan maintained by the Employer shall not
                                    exceed the applicable limit under Code
                                    Section 402(g) for such following year,
                                    reduced by the sum, for the year in which
                                    the hardship withdrawal was made, of the
                                    Participant's Before-Tax Contributions and
                                    other elective before-tax contributions
                                    made on behalf of the





                                       48
<PAGE>   60
                                    Participant under any other plan maintained
                                    by the Employer; and

                      (ii)          until the end of the twelve-month period
                                    beginning on the date of such hardship
                                    withdrawal, the Participant shall not be
                                    permitted to make Before-Tax Contributions
                                    to the Plan or to make elective before-tax
                                    contributions or employee after-tax
                                    contributions to any other plan maintained
                                    by the Employer.  For purposes of this
                                    subsection (d)(ii), the term "any other
                                    plan maintained by the Employer" shall mean
                                    any qualified or nonqualified plan of
                                    deferred compensation maintained by the
                                    Employer and shall include a stock option,
                                    stock purchase, or similar plan, or a cash
                                    or deferred arrangement that is part of a
                                    cafeteria plan (within the meaning of Code
                                    Section 125) but shall not include a
                                    mandatory employee contribution portion of
                                    a defined benefit plan or a health or
                                    welfare benefit plan (including one that is
                                    part of a cafeteria plan within the meaning
                                    of Code Section 125).

          (e)         With respect to any Participant, a hardship withdrawal
                      may only be made under this Section (1) in a Plan Year
                      if:

                      (i)           The amount of such hardship withdrawal
                                    equals or exceeds the lesser of (A) $1,000
                                    or (B) the portion of the Participant's
                                    Account attributable to (I) Rollover
                                    Contributions, (II) Before-Tax
                                    Contributions (but not the earnings
                                    credited thereto as of a date on or after
                                    January 1, 1989), and (III) Matching
                                    Contributions, and

                      (ii)          The Participant has not previously received
                                    a withdrawal under this Section (1) during
                                    the same Plan Year.

(2)       WITHDRAWALS AFTER AGE 59 1/2:

          (a)         (i)           Any Participant who has attained the age of
                                    59 1/2 may withdraw any portion of his
                                    Account attributable to (1) Rollover
                                    Contributions, (2) Before-Tax
                                    Contributions, and (3) Matching
                                    Contributions.

                      (ii)          Any withdrawal under this Section (2) shall
                                    be made:  first, from the portion of his
                                    Account attributable to amounts described
                                    in Article IV(1)(a) (applying the





                                       49
<PAGE>   61
                                    ordering rules of Article IV(1)(a)(ii));
                                    and second, from the earnings credited as
                                    of a date on or after January 1, 1989
                                    attributable to Before-Tax Contributions.

         (b)     With respect to any Participant, a withdrawal may only be made
                 under this Section (2) if no withdrawal has been made under
                 this Section (2) within the immediately preceding six months.

(3)       PROCEDURE FOR WITHDRAWAL:

          A Participant may withdraw amounts under this Article IV only upon
          following procedures established by the Committee.  Withdrawals shall
          be distributed within an administratively reasonable time after
          completion of such procedures and, in the case of a withdrawal on
          account of hardship, the determination of a hardship in accordance
          with the Plan's normal processing standards.  In the event that the
          portion of the Participant's Account from which the withdrawal is
          made (as set forth in Sections (1)(a)(ii) and (2)(a)(ii)) is invested
          in more than one Investment Fund at the time of any withdrawal, the
          amount withdrawn shall be charged to each Investment Fund in
          proportion to the value of the investment of such portion of his
          Account in such Investment Fund on such processing date, provided
          that if the Participant specifically designates the Investment Funds
          to be charged, the amount withdrawn shall be charged to Investment
          Funds in accordance with the Participant's designation.  For purposes
          of the preceding sentence, a retirement account described in Article
          VIII(2)(c)(ii)(B) shall be treated as an Investment Fund.  Any amount
          distributed under this Article IV shall be distributed in cash,
          provided that with respect to amounts withdrawn from the ESOP
          Feature, the Participant may elect to have all or part of such
          distribution made in Shares (with fractional Shares paid in cash).

(4)       VALUATION PROCEDURES:

          Each withdrawal under this Article IV shall be charged to the
          Participant's Account on the day on which the withdrawal request is
          processed in accordance with the Plan's procedures.

(5)       SPECIAL RULES FOR AMOUNTS ATTRIBUTABLE TO PREDECESSOR PLANS:

          The following rules shall apply with respect to withdrawals under
          this Article IV:

          (a)         All withdrawals by a Participant under Article IV shall,
                      to the extent consistent with the terms of this Plan, be
                      made first from amounts attributable to the Predecessor
                      Plans with respect to such Participant until all such
                      amounts have been withdrawn.





                                       50
<PAGE>   62
          (b)         Amounts withdrawn from the portion of a Participant's
                      Account attributable to a Predecessor Plan shall be
                      withdrawn under the ordering rules applicable under such
                      Predecessor Plan, which rules are incorporated herein by
                      reference.





                                       51
<PAGE>   63
                                   ARTICLE V
                                   TRUST FUND


(1)       CONTRIBUTIONS AND ASSETS:

          (a)         All contributions under the Plan shall be paid into the
                      Trust.

          (b)         Contributions made by an Employing Company to provide
                      Matching Contributions and Nonelective Contributions for
                      a Plan Year shall be paid to the Trust by such Employing
                      Company at the time or times determined by the Employing
                      Company in its sole and absolute discretion, provided
                      that such payments shall be made no later than the time
                      prescribed by law (including extensions) for filing the
                      federal income tax return with respect to the Employing
                      Company for the taxable year of the Employing Company
                      with or within which the Plan Year ends.  Before-Tax
                      Contributions shall be transferred to the Trust Fund
                      within the time period required by law.

          (c)         The Trust Fund will be held, invested, and disbursed by
                      the Trustee acting in accordance with the provisions of
                      the Plan and the Trust Agreement, provided that in the
                      case of any conflict or other inconsistency between the
                      Plan and the Trust Agreement, the Plan shall control.
                      All benefits payable hereunder will be paid from the
                      Trust Fund.

          (d)         Notwithstanding anything herein to the contrary, to the
                      extent provided in the Trust Agreement, some or all of
                      the Trust Fund may be held in a group trust, provided
                      that the group trust and the group trust instrument
                      satisfy all applicable requirements such that:

                      (i)           The group trust is exempt from taxation
                                    under Code Section 501(a) with respect to
                                    its funds that equitably belong to
                                    participating trusts described in Code
                                    Section 401(a), and

                      (ii)          The status of individual trusts as
                                    qualified under Code Section 401(a) and
                                    exempt from taxation under Code Section
                                    501(a) will not be affected by the pooling
                                    of their funds in the group trust.

                      In the event that any part of the Trust Fund is held in a
                      group trust pursuant to this subsection (d), (A) the
                      group trust instrument is adopted as a part of this Plan
                      with respect to such part of the Trust





                                       52
<PAGE>   64
                      Fund, and (B) all references in this Plan to the Trust,
                      Trust Agreement, or the Trustee shall be deemed to be
                      references to the group trust, the group trust agreement,
                      or the group trust trustee to the extent indicated by the
                      context and consistent with the terms of the group trust
                      instrument.

(2)       TRUST FUND:

          (a)         Except as otherwise provided herein, the Committee may,
                      in its sole and absolute discretion, from time to time
                      appoint an Investment Manager or Managers or name a
                      fiduciary to direct the Trustee with respect to the
                      investment of all or any part of the Trust Fund.  The
                      Trust Fund is for the exclusive benefit of Participants
                      and their Beneficiaries, provided that it may also be
                      used (i) to pay any reasonable expenses (including
                      Trustee fees and expenses) arising from the
                      administration and operation of the Plan and Trust
                      (including reimbursement of the Employing Companies for
                      their advancement of any such expenses), and (ii) for any
                      other purpose permitted by ERISA, the Code, and other
                      applicable laws.

          (b)         No person shall have any interest in or right to the
                      Trust Fund or any part thereof, except as expressly
                      provided in the Plan.

          (c)         No liability for payments under the Plan shall be imposed
                      upon the Committee, the Corporation, the Employing
                      Companies, the Employer, or the employees, officers,
                      directors, or stockholders of any of the foregoing,
                      except as, and only to the extent, expressly provided by
                      law, and none of the foregoing nor any fiduciary
                      guarantees against investment loss or asset depreciation.





                                       53
<PAGE>   65
                                   ARTICLE VI
                                ESOP PROVISIONS


(1)       INVESTMENT OF ESOP CONTRIBUTIONS:

          ESOP Contributions shall be wholly invested in the ESOP Fund, except
          as otherwise provided by reason of an investment under Section (5).

(2)       ACQUISITION LOANS:

          The Corporation may direct the Trustee to incur one or more
          Acquisition Loans from time to time to finance the acquisition of
          Leveraged Shares or to repay a prior Acquisition Loan.

(3)       RELEASE OF COMPANY STOCK FROM LOAN SUSPENSE ACCOUNTS:

          (a)         The Employing Companies shall contribute an amount
                      sufficient to enable the Trustee to pay any currently
                      maturing obligation under an Acquisition Loan, without
                      regard to the Employing Companies' accumulated earnings
                      and profits, but taking into account any use of Allocated
                      Dividends to make payments on the Acquisition Loan under
                      Section (6).

          (b)         Any Leveraged Shares shall initially be credited to the
                      Loan Suspense Account and shall be released from such
                      Loan Suspense Account in accordance with Treasury
                      Regulation Section 54.4975-7(b)(8)(i) (or any applicable
                      successor provision).  Notwithstanding the foregoing, in
                      the event that an Acquisition Loan is repaid with the
                      proceeds of a subsequent Acquisition Loan ("Substitute
                      Loan"), such repayment shall not operate to release all
                      such Shares from the Loan Suspense Account, but, rather,
                      such release shall be based on the application of
                      Treasury Regulation Section 54.4975-7(b)(8)(i) (or any
                      applicable successor provision) to such Substitute Loan.

          (c)         If at any time there is more than one Acquisition Loan
                      outstanding, separate accounts shall be established under
                      the Loan Suspense Account for each such Acquisition Loan.
                      Each Acquisition Loan for which a separate account is
                      maintained shall be treated separately for purposes of
                      the provisions governing the release of Shares from the
                      Loan Suspense Account under this Section (3).





                                       54
<PAGE>   66
          (d)         If Allocated Dividends are used under Section (6) to make
                      principal and/or interest payments on an Acquisition
                      Loan, as soon as administratively reasonable following
                      the release of Leveraged Shares from the Loan Suspense
                      Account as a result of such payments, all or a portion of
                      the total number of Shares so released shall be allocated
                      to Participants' Accounts under Section (6).  The Shares
                      released by reason of the use of Unallocated Dividends to
                      repay an Acquisition Loan shall be allocated among
                      Accounts pursuant to subsection (e) below.

          (e)         This subsection (e) shall apply to all Leveraged Shares
                      that have been released from the Loan Suspense Account as
                      a result of loan amortization payments made during the
                      Plan Year other than such Leveraged Shares that will be
                      allocated pursuant to Section (6).

                      (i)           This paragraph (i) shall apply to Leveraged
                                    Shares to which this subsection (e) applies
                                    and that have been released from the Loan
                                    Suspense Account as a result of loan
                                    amortization payments that are made during
                                    the Plan Year and that would have been made
                                    during the Plan Year if no Acquisition
                                    Loans had been made on or after October 1,
                                    1998.  Such Leveraged Shares shall be
                                    allocated with respect to such Plan Year
                                    and only on behalf of Eligible Nonelective
                                    Contribution Employees.  For any Plan Year,
                                    the portion of such Leveraged Shares
                                    allocated to the Account of an Eligible
                                    Nonelective Contribution Employee shall
                                    bear the same relationship to the total
                                    number of all Leveraged Shares allocated
                                    under this paragraph (i) as the Eligible
                                    Nonelective Contribution Employee's
                                    Compensation for the Plan Year bears to the
                                    total Compensation of all Eligible
                                    Nonelective Contribution Employees for the
                                    Plan Year, provided that allocations under
                                    this paragraph (i) shall be subject to the
                                    limits and provisions of Article III.

                      (ii)          (A)       This paragraph (ii) shall apply
                                              to all Leveraged Shares to which
                                              this subsection (e) applies other
                                              than the Leveraged Shares to
                                              which paragraph (i) applies.
                                              Except as otherwise provided in
                                              this Plan, for any Plan Year,
                                              such Leveraged Shares shall be
                                              used to provide the Interim
                                              Supplemental Contributions
                                              described in Article III(6) and
                                              the Grandfathered AmVestors





                                       55
<PAGE>   67
                                        Supplemental Contributions described in
                                        Article III(7).

                                    (B)       To the extent that the Leveraged
                                              Shares to which this paragraph
                                              (ii) applies are not sufficient
                                              to provide all Interim
                                              Supplemental Contributions and
                                              all Grandfathered AmVestors
                                              Supplemental Contributions
                                              described in Article III(6) and
                                              (7) for a Plan Year, the portion
                                              of such Leveraged Shares used to
                                              provide Interim Supplemental
                                              Contributions shall bear the same
                                              relationship to the total of the
                                              Leveraged Shares to which this
                                              paragraph (ii) applies as the
                                              value of all Interim Supplemental
                                              Contributions for the Plan Year
                                              bears to the sum of the value of
                                              all Interim Supplemental
                                              Contributions and all
                                              Grandfathered AmVestors
                                              Supplemental Contributions for
                                              the Plan Year.  For any Plan
                                              Year, the number of Leveraged
                                              Shares allocated under this
                                              paragraph (ii)(B) to any Interim
                                              Benefit Supplement Employee shall
                                              bear the same relationship to the
                                              total number of Leveraged Shares
                                              allocated under this paragraph
                                              (ii)(B) as the value of the
                                              Interim Supplemental Contribution
                                              for such Interim Benefit
                                              Supplement Employee bears to the
                                              total value of all Interim
                                              Supplemental Contributions for
                                              all Interim Benefit Supplement
                                              Employees.

                                    (C)       To the extent that the Leveraged
                                              Shares to which this paragraph
                                              (ii) applies are not sufficient
                                              to provide all Interim
                                              Supplemental Contributions and
                                              all Grandfathered AmVestors
                                              Supplemental Contributions
                                              described in Article III(6) and
                                              (7) for a Plan Year, the portion
                                              of such Leveraged Shares used to
                                              provide Grandfathered AmVestors
                                              Supplemental Contributions shall
                                              bear the same relationship to the
                                              total of the Leveraged Shares to
                                              which this paragraph (ii) applies
                                              as the value of all Grandfathered
                                              AmVestors Supplemental
                                              Contributions for the Plan Year
                                              bears to the sum of the value of
                                              all Interim Supplemental
                                              Contributions and all
                                              Grandfathered AmVestors






                                       56
<PAGE>   68
                                              Supplemental Contributions for
                                              the Plan Year.  For any Plan
                                              Year, the number of Leveraged
                                              Shares allocated under this
                                              paragraph (ii)(C) to any
                                              Grandfathered AmVestors Employee
                                              shall bear the same relationship
                                              to the total number of Leveraged
                                              Shares allocated under this
                                              paragraph (ii)(C) as the value of
                                              the Grandfathered AmVestors
                                              Supplemental Contribution for
                                              such Grandfathered AmVestors
                                              Employee bears to the total value
                                              of all Grandfathered AmVestors
                                              Supplemental Contributions for
                                              all Grandfathered AmVestors
                                              Employees.

                                    (D)       To the extent that the value of
                                              the Leveraged Shares to which
                                              this paragraph (ii) applies
                                              exceeds the value of all Interim
                                              Supplemental Contributions and
                                              Grandfathered AmVestors
                                              Supplemental Contributions for a
                                              Plan Year, such Leveraged Shares
                                              shall be used, under principles
                                              similar to those set forth in
                                              paragraph (ii)(B) and (C), to
                                              provide Matching Contributions
                                              for such Plan Year to the extent
                                              such Matching Contributions have
                                              not been previously provided.

                                    (E)       For a Plan Year, to  the extent
                                              that the number of Leveraged
                                              Shares to which this paragraph
                                              (ii) applies exceeds the number
                                              of Leveraged Shares used under
                                              subparagraphs (A), (B), (C), and
                                              (D), such excess Leveraged Shares
                                              shall be allocated with respect
                                              to such Plan Year and only on
                                              behalf of Eligible Nonelective
                                              Contribution Employees.  For any
                                              Plan Year, the portion of such
                                              Leveraged Shares allocated to the
                                              Account of an Eligible
                                              Nonelective Contribution Employee
                                              shall bear the same relationship
                                              to the total number of all
                                              Leveraged Shares allocated under
                                              this subparagraph (E) as the
                                              Eligible Nonelective Contribution
                                              Employee's Compensation for the
                                              Plan Year bears to the total
                                              Compensation of all Eligible
                                              Nonelective Contribution
                                              Employees for the Plan Year,
                                              provided that allocations under
                                              this





                                       57
<PAGE>   69
                                              subparagraph (E) shall be subject
                                              to the limits and provisions of
                                              Article III.

          (f)         All Leveraged Shares that have not been released from the
                      Loan Suspense Account shall be invested in the ESOP Fund.

(4)       PUT OPTION:

          (a)         Except as provided in Treasury Regulation Section
                      54.4975-7(b)(9) (or any applicable successor provision)
                      and subsection (b), or as otherwise required by law, no
                      securities acquired with the proceeds of an Acquisition
                      Loan may be subject to a put, call, or other option, or
                      buy-sell or similar arrangement while held by and when
                      distributed from the Plan, whether or not the Plan at
                      that time contains an ESOP Feature.

          (b)         A Share acquired with the proceeds of an Acquisition Loan
                      must be subject to a put option if the Share is not
                      readily tradable on an established market (within the
                      meaning of Code Section 409(h)).  Such put options shall
                      be subject to the provisions of this Section (4) and,
                      notwithstanding anything herein to the contrary, all
                      other applicable provisions of law.  The put option must
                      be exercisable only by a participant, by the
                      participant's donees, or by a person (including an estate
                      or its distributee) to whom the security passes by reason
                      of a participant's death.  (Under this subsection (b),
                      "participant" means a participant and beneficiaries of
                      the participant under the ESOP Feature.)  The put option
                      must permit a participant to put the security to the
                      Corporation.  Under no circumstances may the put option
                      bind the Plan. However, it shall grant the Plan an option
                      to assume the rights and obligations of the Corporation
                      at the time that the put option is exercised.  If it is
                      known at the time a loan is made that Federal or state
                      law will be violated by the Corporation's honoring such
                      put option, the put option must permit the security to be
                      put, in a manner consistent with such law, to a third
                      party (e.g., an affiliate of the Corporation's or a
                      shareholder other than the Plan) that has substantial net
                      worth at the time the loan is made and whose net worth is
                      reasonably expected to remain substantial.

          (c)         A put option described in subsection (b) shall be
                      exercisable during the 60-day period which begins on the
                      date the security subject to the put option is
                      distributed by the Plan.  If such a put option is not
                      exercised within such 60- day period, the put option
                      shall be exercisable for an additional 60-day period in
                      the following plan year, in accordance with applicable
                      law.





                                       58
<PAGE>   70
          (d)         The provisions of this subsection (d) shall apply to a
                      put option described in subsection (b).

                      (i)           A put option is exercised by the holder
                                    notifying the Corporation in writing that
                                    the put option is being exercised.

                      (ii)          The period during which a put option is
                                    exercisable does not include any time when
                                    a distributee is unable to exercise it
                                    because the party bound by the put option
                                    is prohibited from honoring it by
                                    applicable Federal or state law.

                      (iii)         The price at which a put option must be
                                    exercisable is the value of the security,
                                    determined in accordance with Treasury
                                    Regulation Section 54.4975-11(d)(5) (or
                                    any applicable successor provision), Code
                                    Section 401(a)(28)(C), and other applicable
                                    laws.

                      (iv)          The provisions for payment under a put
                                    option must meet the following
                                    requirements:

                                    (A)       In the case of a distribution
                                              within 1 taxable year to the
                                              recipient of the balance to the
                                              credit of the recipient's
                                              Account, there must be adequate
                                              security and a reasonable
                                              interest rate with respect to any
                                              deferral of payments and payments
                                              must be made at least as rapidly
                                              as substantially equal periodic
                                              payments (not less frequently
                                              than annually) over a period
                                              beginning within 30 days after
                                              the date the put option is
                                              exercised and ending not more
                                              than 5 years after such date.

                                    (B)       In the case of a distribution not
                                              subject to subparagraph (A),
                                              payment under the put option must
                                              be completed within 30 days after
                                              the date the put option is
                                              exercised.

                      (v)           Payment under a put option may be
                                    restricted by the terms of a loan,
                                    including one used to acquire a security
                                    subject to a put option, made before
                                    November 1, 1977.  Otherwise, payment under
                                    a put option must not be restricted by the
                                    provisions of a loan or any other





                                       59
<PAGE>   71
                                    arrangement, including the terms of the
                                    employer's articles of incorporation,
                                    unless so required by applicable state law.

          (e)         Except as otherwise permitted in Treasury Regulation
                      Section 54.4975-11(a)(3)(ii) (or any applicable successor
                      provision), the protections and rights described in
                      subsections (a) through (d) are nonterminable and thus
                      shall continue to exist if the Acquisition Loan is repaid
                      or the Plan ceases to contain an ESOP Feature.

(5)       DIVERSIFICATION RIGHTS:

          (a)         With respect to a Qualified Participant, during the
                      90-day period immediately following the close of each
                      Plan Year in the Qualified Election Period, the Qualified
                      Participant shall be entitled to one election to invest
                      the Diversification Portion of his Diversification
                      Account in any Fund other than the ESOP Fund. Except as
                      otherwise provided in rules prescribed by the Committee,
                      such election shall be made under the rules of Article
                      VIII. Any amount that has been reinvested in a Fund other
                      than the ESOP Fund pursuant to this Section (5) may be
                      further reinvested in other Funds under the generally
                      applicable rules of Article VIII.

          (b)         Any amount that is reinvested in an Investment Fund other
                      than the ESOP Fund pursuant to this Section (5) is, by
                      virtue of such reinvestment, transferred from the Stock
                      Bonus Component to the Profit-Sharing Component.

          (c)         This Section (5), and the definitions of the terms used
                      herein, are intended to comply with Code Section
                      401(a)(28) and shall be interpreted accordingly.


(6)       DIVIDENDS ON SHARES:

          (a)         (i)           Allocated Dividends with respect to Shares
                                    in the Company Stock Fund shall be retained
                                    in the Account of the applicable
                                    Participant, subject to the otherwise
                                    applicable provisions of this Plan.

                      (ii)          Allocated Dividends with respect to Shares
                                    in the ESOP Fund shall, in the sole and
                                    absolute discretion of the Corporation, be,
                                    in whole or in part, (A) retained in the
                                    Account of the applicable Participant,
                                    subject to the





                                       60
<PAGE>   72
                                    otherwise applicable provisions of this
                                    Plan, or (B) used, consistent with Code
                                    Section 404(k) and to the extent permitted
                                    by law, to make principal and/or interest
                                    payments on an Acquisition Loan.  The
                                    Corporation may determine how Allocated
                                    Dividends with respect to Shares in the
                                    ESOP Fund may be applied up to the time
                                    when the dividends are finally allocated to
                                    the Accounts of Participants.  Dividends
                                    may not be used for payment of an
                                    Acquisition Loan unless, without regard to
                                    Matching Contributions or Nonelective
                                    Contributions, Company Stock allocated in a
                                    Plan Year to the Account of each
                                    Participant who would have otherwise been
                                    credited with the value of such dividends
                                    has a fair market value not less than the
                                    amount of such dividends that would have
                                    been otherwise allocated in such Plan Year
                                    for the benefit of the Participant.
                                    Accordingly, if Allocated Dividends are
                                    used to make principal and/or interest
                                    payments on an Acquisition Loan, Company
                                    Stock released in a Plan Year pursuant to
                                    such payments (and pursuant to
                                    contemporaneous and subsequent payments, if
                                    necessary) shall be allocated under this
                                    Section (6) to Participants whose Accounts
                                    would otherwise have been credited with
                                    such Allocated Dividends until allocations
                                    of Company Stock in the Plan Year with
                                    respect to each such Participant (without
                                    regard to Matching Contributions or
                                    Nonelective Contributions) equal the amount
                                    of Allocated Dividends that would have been
                                    credited to his Account in the Plan Year
                                    (such allocations to be made on a pro rata
                                    basis until the total amount required is
                                    allocated).

          (b)         An Allocated Dividend shall be treated as made with
                      respect to a Share in the ESOP Fund if and only if such
                      Share were held in the ESOP Fund on the record date for
                      such Allocated Dividend. Correspondingly, an Allocated
                      Dividend shall be treated as made with respect to a Share
                      in the Company Stock Fund if and only if such Share were
                      held in the Company Stock Fund on the record date for
                      such Allocated Dividend.

          (c)         Unallocated Dividends may , in the sole and absolute
                      discretion of the Corporation, be used, in whole or in
                      part, to repay an Acquisition Loan the proceeds of which
                      were used to acquire the Leveraged Shares to which the
                      Unallocated Dividends relate.  The Leveraged Shares
                      released from the Loan Suspense Account due to any such
                      repayment shall be allocated as described under Section
                      (3).





                                       61
<PAGE>   73
(7)      VALUATION OF COMPANY STOCK:

         For purposes of this Plan, Company Stock shall be valued in such
         manner and as of each Valuation Date or such other dates as may be
         prescribed by the Committee in its sole and absolute discretion,
         provided that such valuation shall comply with applicable law.

(8)      TENDER/VOTING OF COMPANY STOCK:

          (a)         Tender for Stock.  All tender or exchange decisions with
                      respect to Company Stock held in the Plan shall be made
                      in accordance with the following provisions of this
                      Section (8):

                      (i)           In the event an offer is received by the
                                    Plan (including a tender offer for Shares
                                    subject to Section 14(d)(1) of the
                                    Securities Exchange Act of 1934 or subject
                                    to Rule 13e-4 promulgated under that Act,
                                    as those provisions may from time to time
                                    be amended) to purchase or exchange Shares
                                    held by the Plan (an "Offer"), the
                                    Committee will notify each Participant who
                                    has part or all of his Account invested in
                                    the ESOP Fund or the Company Stock Fund of
                                    the terms of the Offer as soon as
                                    practicable after its commencement and will
                                    furnish each Participant with a form by
                                    which he may instruct the Trustee
                                    confidentially whether or not to tender or
                                    exchange Shares allocated to his
                                    Participant's Account.  The materials
                                    furnished to the Participants shall include
                                    (A) a notice from the Committee that the
                                    Trustee will not tender or exchange Shares
                                    (allocated or unallocated) for which timely
                                    instructions are not received by the
                                    Trustee and (B) related documents provided
                                    generally to the shareholders of the
                                    Corporation pursuant to the Securities
                                    Exchange Act of 1934.  The Committee and
                                    the Trustee may also provide Participants
                                    with such other material concerning the
                                    Offer as the Trustee or the Committee in
                                    its sole and absolute discretion determine
                                    to be appropriate, provided, however, that
                                    prior to any distribution of materials by
                                    the Committee, the Trustee shall be
                                    furnished with complete copies of all
                                    materials.  The Corporation and the
                                    Committee will cooperate with the Trustee
                                    to ensure that Participants receive the
                                    requisite information in a timely manner.
                                    Notwithstanding anything contained herein
                                    to the contrary, in the event an Offer is
                                    issued by a person or





                                       62
<PAGE>   74
                                    entity other than the Corporation, prior to
                                    distributing materials under this Section
                                    (8), the Committee may require that the
                                    issuer advance sufficient funds as are
                                    necessary to cover the cost of the
                                    distributing materials to, and soliciting
                                    responses from, Participants.

                      (ii)          The Trustee shall tender or not tender
                                    Shares or exchange Shares allocated to a
                                    Participant's Account (including fractional
                                    Shares to 1/10th of a Share) only to the
                                    extent instructed by the Participant.  If
                                    tender or exchange instructions for Shares
                                    allocated to a Participant's Account are
                                    not timely received by the Trustee, the
                                    Trustee will treat non-receipt as a
                                    direction not to tender or exchange such
                                    Shares.

                      (iii)         A Participant who has ESOP Stock allocated
                                    to his Participant's Account and who is
                                    entitled to direct the Trustee whether or
                                    not to tender or exchange Shares allocated
                                    to his Participant's Account shall
                                    separately direct the Trustee with respect
                                    to the tender or exchange of a portion of
                                    the Shares that are not allocated to any
                                    Participant's Account.  Such direction
                                    shall be with respect to the number of
                                    unallocated Shares multiplied by a
                                    fraction, the numerator of which is the
                                    number of Shares of ESOP Stock allocated to
                                    the Participant's Account and the
                                    denominator of which is the total number of
                                    Shares of ESOP Stock allocated to the
                                    Accounts of all Participants.  Fractional
                                    Shares shall be rounded to the nearest
                                    1/10th of a Share.  If tender or exchange
                                    instructions for Shares not allocated to a
                                    Participant's Account are not timely
                                    received by the Trustee, the Trustee will
                                    treat non-receipt as a direction to not
                                    tender or exchange such Shares.

                      (iv)          In the event, under the terms of an Offer
                                    or otherwise, any Shares tendered for sale
                                    or exchange pursuant to such Offer may be
                                    withdrawn from such Offer, the Trustee
                                    shall follow instructions respecting the
                                    withdrawal of the securities from the Offer
                                    in the same manner and the same proportion
                                    as shall be timely received by the Trustee
                                    from the Participants entitled under this
                                    Section (8) to give instructions for the
                                    sale or exchange of securities pursuant to
                                    such Offer.





                                       63
<PAGE>   75
                      (v)           (A)       In the event that an Offer for
                                              fewer than all of the Shares held
                                              by the Plan is received, a
                                              Participant who has been
                                              allocated Shares subject to such
                                              Offer shall be entitled to direct
                                              the Trustee as to the acceptance
                                              or rejection of the Offer (as
                                              provided by paragraphs (i)-(iv)
                                              of this Section (8)(a)) with
                                              respect to the largest portion of
                                              the Company Stock allocated to
                                              his Participant's Account as may
                                              be possible, given the total
                                              number or amount of Shares that
                                              may be sold or exchanged pursuant
                                              to the Offer, based upon the
                                              instructions received from all
                                              other Participants who timely
                                              submit instructions pursuant to
                                              this Section (8) to sell or
                                              exchange Shares pursuant to such
                                              Offer, each on a pro rata basis
                                              in accordance with the number or
                                              amount of such Shares allocated
                                              to the Participant's Account that
                                              the Participant instructs the
                                              Trustee to tender or exchange.

                                    (B)       In the case of an Offer described
                                              in subparagraph (A), the
                                              provisions of paragraph (iii)
                                              shall apply to the portion of the
                                              Shares that are not allocated to
                                              any Participant's Account, except
                                              that the reference in the second
                                              sentence of paragraph (iii) to
                                              "the number of unallocated
                                              Shares" shall be deemed to be
                                              instead a reference to the excess
                                              (if any) of (I) the number of
                                              Shares for which the Offer is
                                              made (the "Number of Offer
                                              Shares") over (II) the number of
                                              Shares for which there has been
                                              an acceptance under subparagraph
                                              (A) (the "Number of Allocated
                                              Shares Accepted").  This
                                              subparagraph (B) shall apply if
                                              and only if the Number of Offer
                                              Shares exceeds the Number of
                                              Allocated Shares Accepted.

                      (vi)          In the event an Offer is received and
                                    instructions are solicited from
                                    Participants pursuant to paragraphs (i)-(v)
                                    of this Section (8)(a) regarding such
                                    Offer, and prior to termination of such
                                    Offer, another Offer is received by the
                                    Plan for the securities subject to the
                                    first Offer, the Committee shall use its
                                    best efforts under the circumstances to
                                    solicit instructions from the Participants
                                    (A) with respect to securities tendered for
                                    sale or exchange





                                       64
<PAGE>   76
                                    pursuant to the first Offer, whether to
                                    withdraw such tender, if possible, and, if
                                    withdrawn, whether to tender securities
                                    withdrawn for sale or exchange pursuant to
                                    the second Offer and (B) with respect to
                                    securities not tendered for sale or
                                    exchange pursuant to the first Offer,
                                    whether to tender such securities for sale
                                    or exchange pursuant to the second Offer.
                                    The Trustee shall follow all instructions
                                    received in a timely manner from
                                    Participants in the same manner and in the
                                    same proportion as provided in paragraphs
                                    (i)-(v) of this Section (8)(a).  With
                                    respect to any further Offer for any
                                    Company Stock received by the Plan and
                                    subject to any earlier Offer (including
                                    successive Offers from one or more existing
                                    offerors), the Committee and the Trustee
                                    shall act in the same manner as described
                                    above.

                      (vii)         A Participant's instructions to tender or
                                    exchange Shares will not be deemed a
                                    withdrawal or suspension from the Plan or a
                                    forfeiture of any portion of the
                                    Participant's interest in the Plan.
                                    Participants are designated Named
                                    Fiduciaries for purposes of making tender
                                    or exchange decisions with respect to (A)
                                    Shares in their Diversification Account,
                                    and (B) Shares that are not allocated to
                                    any Participant's Account.

                      (viii)        Cash received in exchange for tendered
                                    Shares will be credited to the Account of
                                    the Participant whose Shares were tendered
                                    or the Loan Suspense Account from which
                                    Shares were tendered and will, pursuant to
                                    directions from the Committee, be used by
                                    the Trustee to purchase Company Stock, as
                                    soon as practicable.  In the interim, the
                                    Trustee will, pursuant to directions from
                                    the Committee, invest such cash in
                                    short-term investments permitted under the
                                    Trust.

                      (ix)          The instructions received by the Trustee
                                    from Participants shall be held by the
                                    Trustee in strict confidence and shall not
                                    be divulged or released to any person,
                                    including directors, officers, or employees
                                    of the Employer, except as otherwise
                                    provided herein or required by law.  The
                                    Trustee may retain the services of a third
                                    party to tabulate Participant directions
                                    and to perform such other ministerial tasks
                                    as it deems are appropriate.





                                       65
<PAGE>   77
          (b)         Voting of Stock.  Voting rights on Shares held by the
                      Plan shall be exercised in accordance with the following
                      provisions of this Section (8):

                      (i)           As soon as practicable before each annual
                                    or special shareholders' meeting of the
                                    Corporation, the Committee or the Trustee
                                    shall furnish each Participant with a copy
                                    of the proxy solicitation material sent
                                    generally to shareholders, together with
                                    forms requesting confidential instructions
                                    on how the Shares allocated to a
                                    Participant's Account are to be voted. The
                                    Corporation and the Committee shall
                                    cooperate with the Trustee to ensure that
                                    Participants receive the requisite
                                    information in a timely manner.  The
                                    materials furnished to the Participants
                                    shall include a notice that allocated
                                    Shares for which timely instructions are
                                    not received by the Trustee will be voted
                                    by the Trustee in proportion to the
                                    allocated Shares as to which instructions
                                    have been received. Notwithstanding
                                    anything contained herein to the contrary,
                                    in the event a person or entity other than
                                    the Corporation solicits proxies from
                                    shareholders of the Corporation, prior to
                                    distributing materials under this Section
                                    (8)(b), the Committee may require that the
                                    proxy solicitor advance sufficient funds as
                                    are necessary to cover the cost of the
                                    distributing materials to, and soliciting
                                    instructions from, Participants.

                      (ii)          With respect to all corporate matters
                                    submitted to shareholders, all Shares
                                    allocated to Participants' Accounts shall
                                    be voted in accordance with the directions
                                    of Participants as given to the Trustee.  A
                                    Participant shall be entitled to direct the
                                    voting of Shares (including fractional
                                    shares to 1/10th of a share) allocated to
                                    his Participant's Account.  Any allocated
                                    Shares for which no timely instructions
                                    have been received by the Trustee shall be
                                    voted by the Trustee in proportion to the
                                    allocated Shares as to which instructions
                                    have been received.

                      (iii)         A Participant who has ESOP Stock allocated
                                    to his Participant's Account and who is
                                    entitled to vote on matters presented for a
                                    vote by the stockholders under Section
                                    (8)(b)(ii) above with respect to Shares
                                    allocated to his Account shall separately
                                    direct the Trustee with respect to the vote
                                    of a portion of the Shares that are
                                    unallocated to any Participant's Account.
                                    Such direction shall be with





                                       66
<PAGE>   78
                                    respect to the number of votes equal to the
                                    total number of votes attributable to
                                    Shares not allocated to any Participant's
                                    Account multiplied by a fraction, the
                                    numerator of which is the number of votes
                                    attributable to ESOP Stock allocated to the
                                    Participant's Account and the denominator
                                    of which is the total number of votes
                                    attributable to the ESOP Stock allocated to
                                    the Accounts of all Participants.  Any
                                    unallocated Shares for which no timely
                                    instructions have been received by the
                                    Trustee shall be voted by the Trustee in
                                    proportion to the unallocated Shares as to
                                    which instructions have been received.
                                    Fractional Shares shall be rounded to the
                                    nearest 1/10th of a Share.

                      (iv)          The instructions received by the Trustee
                                    from Participants shall be held by the
                                    Trustee in strict confidence and shall not
                                    be divulged or released to any person
                                    including directors, officers, or employees
                                    of the Employer, except as otherwise
                                    provided herein or required by law.  The
                                    Trustee may retain the services of a third
                                    party to tabulate Participant directions
                                    and to perform such other ministerial tasks
                                    as it deems are appropriate.

          (c)         Beneficiary.  In the case of a deceased Participant, this
                      Section (8) shall apply to the Participant's Beneficiary.

          (d)         Rights With Respect To Other Securities.  The Committee
                      shall have sole and absolute discretion with respect to
                      voting, tendering, and other rights for any securities
                      held by the Plan other than Company Stock.

(9)       QUALIFICATION OF ESOP FEATURE:

          In the event that an ESOP Contribution is conditioned upon initial
          qualification of the ESOP Feature under Code Section 401(a) and the
          ESOP Feature does not so qualify, the contribution, net of any losses
          attributable thereto and together with any earnings thereon, may, to
          the extent permitted by law, be returned to the applicable Employing
          Companies within one year after the denial of qualification.

(10)      TERMINATION OF ESOP FEATURE:

          Upon a complete termination of the Plan or the ESOP Feature, any
          unallocated Leveraged Shares shall be sold to the Corporation or on
          the open market.  The





                                       67
<PAGE>   79
          proceeds of such sale shall be used to satisfy any outstanding
          Acquisition Loan and the balance of any funds remaining shall be
          allocated to each Participant's Account under the rules set forth in
          Article VI(3)(e).





                                       68
<PAGE>   80
                                  ARTICLE VII
                                    VESTING

(1)       BEFORE-TAX CONTRIBUTIONS AND ROLLOVER CONTRIBUTIONS:

          Each Participant shall at all times have a vested interest in the
          portion of his Account balance attributable to Before-Tax
          Contributions and Rollover Contributions.

(2)       MATCHING CONTRIBUTIONS AND NONELECTIVE CONTRIBUTIONS:

          (a)         A Participant shall not have a vested interest in the
                      portion of his Account attributable to Matching
                      Contributions or Nonelective Contributions except as
                      specifically provided herein.

          (b)         Each Participant shall have a fully vested interest in
                      the portion of his Account balance attributable to
                      Matching Contributions and Nonelective Contributions as
                      of the earliest of the following dates:

                      (i)           the first date on or after he attains
                                    Normal Retirement Age on which he is an
                                    employee of the Employer;

                      (ii)          the date on which he becomes Disabled,
                                    provided that he was an Employee on the day
                                    immediately before such date; or

                      (iii)         the date on which he has a Termination of
                                    Employment by reason of his death.

          (c)         Each Participant who does not otherwise have a vested
                      interest in the portion of his Account balance
                      attributable to Matching Contributions under this Article
                      VII shall have a fully vested interest in such portion
                      upon his completion of one year of Service.

          (d)         Each Participant who does not otherwise have a vested
                      interest in the portion of his Account balance
                      attributable to Nonelective Contributions under this
                      Article VII shall have a fully vested interest in such
                      portion upon his completion of five years of Service.

          (e)         (i)           This Section (2) shall apply separately to
                                    any amount that is attributable to a plan
                                    described in Article III(11)(a) and that is
                                    treated as attributable to Matching
                                    Contributions or Nonelective Contributions
                                    pursuant to Article III(11)(c).  The
                                    vesting percentage applicable to





                                       69
<PAGE>   81
                                    such an amount shall be the greater of (A)
                                    the vesting percentage determined under
                                    Sections (2)(b), (c), (d), and (e)(ii) or
                                    (B) the vesting percentage applicable to
                                    such amount under the plan immediately
                                    prior to the transfer, merger, or
                                    consolidation described in Article
                                    III(11)(a).

                      (ii)          Notwithstanding anything herein to the
                                    contrary, a Designated AmVestors Employee
                                    shall have his vested interest in the
                                    portion of his Account balance attributable
                                    to Nonelective Contributions determined
                                    under the following schedule:

<TABLE>
<CAPTION>
                                    Service (in years)              Vesting Percentage
                                    ------------------              ------------------
                                             <S>                              <C>

                                             0                                 0
                                             1                                 0
                                             2                                 0
                                             3                                 20%
                                             4                                 40%
                                             5                                 100%
</TABLE>

                                    For purposes of this subsection (e)(ii), a
                                    Designated AmVestors Employee is an
                                    individual who was an employee of AmVestors
                                    Financial Corporation on January 1, 1999 or
                                    is described in the last sentence of this
                                    Section (2)(e)(ii).  Notwithstanding the
                                    foregoing, to the extent required by law,
                                    the vesting percentage of any individual
                                    described in the last sentence of this
                                    Section (2)(e)(ii) shall not be less than
                                    the greater of (A) the vesting percentage
                                    of such individual under the AmVestors
                                    Financial Corporation Money Purchase
                                    Pension Plan determined as if such plan had
                                    continued in effect under the same terms
                                    that were in effect as of December 31,
                                    1998, or (B) the vesting percentage of such
                                    individual under the AmVestors Financial
                                    Corporation Employees' Stock Ownership Plan
                                    determined as if such plan had continued in
                                    effect under the same terms that were in
                                    effect as of December 31, 1998.  An
                                    individual is described in this sentence
                                    if, as of December 31, 1998, he (C) was a
                                    participant in the AmVestors Financial
                                    Corporation Money Purchase Pension Plan or
                                    the AmVestors Financial Corporation
                                    Employees' Stock Ownership Plan, and (D)
                                    had three





                                       70
<PAGE>   82
                                    years of service as determined under Code
                                    Section 411(a)(10) and under the terms of
                                    such plans; provided that Section
                                    (2)(e)(ii)(A) shall only apply to an
                                    individual who would be described in this
                                    sentence if there were no references in
                                    this sentence to the AmVestors Financial
                                    Corporation Employees' Stock Ownership
                                    Plan; provided further that Section
                                    (2)(e)(ii)(B) shall only apply to an
                                    individual who would be described in this
                                    sentence if there were no reference to the
                                    AmVestors Financial Corporation Money
                                    Purchase Pension Plan.

          (f)         If (i) a distribution is made to a Participant of an
                      amount attributable to Matching Contributions or
                      Nonelective Contributions, and (ii) such distribution is
                      made at a time when the Participant can increase his
                      vesting percentage in the portion of his Account
                      attributable to Matching Contributions or Nonelective
                      Contributions, the Plan shall comply with the
                      requirements of Treasury Regulation Section
                      1.411(a)-7(d)(5)(iii)(B) (or any applicable successor
                      provision).

          (g)         Notwithstanding anything in this Plan to the contrary, no
                      Distribution or loan shall be made to a Participant or
                      his Beneficiary of any amount that is not vested, and
                      this Plan shall be construed accordingly.

(3)       FORFEITURES:

          (a)         A Participant who incurs a Period of Severance that
                      equals or exceeds five years shall, as of the last day of
                      the fifth year of such Period of Severance, forfeit any
                      portion of his Account balance in which he does not then
                      have a vested interest (unless such portion is sooner
                      forfeited under this Section (3)).

          (b)         A Participant who has a Termination of Employment and
                      receives a distribution of the entire portion of his
                      Account balance in which he has a vested interest shall,
                      immediately following such distribution and to the extent
                      permitted by law, forfeit the portion of his Account
                      balance in which he does not then have a vested interest.
                      For this purpose, a Participant who has a Termination of
                      Employment and does not have a vested interest in any
                      portion of his Account balance shall be deemed to have
                      received a distribution of zero dollars ($0), which
                      distribution shall be treated as a distribution of the
                      entire portion of his Account balance in which he has a
                      vested interest.





                                       71
<PAGE>   83
          (c)         Forfeitures under this Plan or a Prior Plan shall be used
                      to offset amounts that the Employing Companies would
                      otherwise contribute to the Plan.

          (d)         Notwithstanding anything herein to the contrary, a
                      portion of a Participant's Account that would be vested
                      but for this subsection (d) (together with any income
                      attributable to such portion) shall be forfeited (i) to
                      the extent provided in Article III(12)(b) and Article
                      III(12)(c), (ii) to the extent that such portion is
                      attributable to a Matching Contribution that relates to
                      an Excess Deferral Amount distributed under Article
                      III(13), provided that this Article VII(3)(d)(ii) shall
                      not apply to the extent that such Matching Contribution
                      would be distributed pursuant to Article III(12)(c), and
                      (iii) to the extent otherwise provided for in other
                      provisions of this Plan.  A forfeiture under the
                      preceding sentence shall occur as of the date determined
                      by the Committee in its sole and absolute discretion,
                      subject to the provisions of applicable law.

          (e)         With respect to any Participant, the portion of any
                      forfeiture under this Plan that is derived from an
                      Investment Fund shall bear the same relationship to the
                      total forfeiture as the amount invested in such
                      Investment Fund on behalf of the Participant bears to the
                      amount invested in all Investment Funds on behalf of the
                      Participant.  For purposes of this subsection (e), a
                      retirement account described in Article VIII(2)(c)(ii)(B)
                      shall be treated as an Investment Fund.

(4)       RESTORATION OF FORFEITED AMOUNTS UPON REPAYMENT:

          (a)         If, with respect to a participant under this Plan or a
                      Prior Plan, a forfeiture occurred under this Plan or a
                      Prior Plan by reason of a distribution to such
                      participant, and such former participant is subsequently
                      reemployed as an Employee, such former participant  shall
                      have the right, under procedures prescribed by the
                      Committee, to make a lump sum repayment of the entire
                      amount distributed, provided that such repayment must be
                      made before the earlier of (i) five years after the first
                      date after the distribution on which the former
                      participant is reemployed as an Employee, or (ii) the
                      completion of a five-year Period of Severance after the
                      date of the distribution. In the case of a deemed
                      distribution of zero dollars ($0) under the Plan or a
                      Prior Plan, Section (4)(a)(i) shall not apply, the
                      "distribution" in Section (4)(a)(ii) shall be deemed to
                      have occurred upon the participant's termination of
                      employment, and the "repayment" shall be deemed to occur
                      upon the participant's reemployment as an Employee.





                                       72
<PAGE>   84
          (b)         If the repayment described in subsection (a) is made, the
                      forfeited amounts, at the value as of the date of
                      distribution, shall be restored to the former
                      participant's Account by the Employing Companies without
                      regard to the deductibility of such contributions under
                      Code Section 404 (notwithstanding anything herein to the
                      contrary).

          (c)         Except for purposes of Articles III and VI (and related
                      provisions) and except as the context indicates
                      otherwise, the amount repaid by the participant and the
                      amount restored by the Employing Companies shall be
                      treated under this Plan as if they were contributed to
                      the Trust Fund on the day when repaid and on the day when
                      restored.

(5)       EFFECTIVE DATE OF VESTING PROVISIONS:

          Except to the extent required by law, the provisions of this Article
          VII shall not apply to a Participant prior to the date that such
          Participant has at least one Hour of Service on or after January 1,
          1999.  To the extent that this Article VI does not apply to a
          Participant, vesting shall be determined under the provisions of this
          Plan (and/or a Prior Plan, as the case may be) that would have been
          applicable but for the merger of the Prior Plans into this Plan and
          this 1998 Amendment and Restatement.





                                       73
<PAGE>   85
                                  ARTICLE VIII
                              PARTICIPANT ACCOUNTS


(1)       RECORDS, ALLOCATIONS, AND INVESTMENTS:

          (a)         (i)           An Account shall be established for each
                                    Participant.  The  Committee shall keep
                                    appropriate books and records showing the
                                    respective interests of all the
                                    Participants hereunder, or the Committee
                                    may delegate that responsibility to the
                                    Trustee or to a third party recordkeeper.

                      (ii)          The Committee shall have the authority, in
                                    its sole and absolute discretion, to (A)
                                    designate funds as Investment Funds, (B)
                                    add or delete Investment Funds, and (C)
                                    prescribe any necessary or appropriate
                                    rules regarding the availability of
                                    Investment Funds.  For example, the
                                    Committee has the authority to prescribe
                                    rules limiting the availability of an
                                    Investment Fund prior to the liquidation of
                                    the Plan's investment in such Investment
                                    Fund. Another example of the Committee's
                                    authority is that the availability of an
                                    Investment Fund to one or more Participants
                                    may be limited in any ways permissible
                                    under applicable law.

                                    The ESOP Fund and the Company Stock Fund
                                    shall be included among the Investment
                                    Funds.

                      (iii)         The Plan is generally intended to
                                    constitute a plan described in ERISA
                                    Section 404(c) and Labor Regulation Section
                                    2550.404c-1 (or any applicable successor
                                    provision) with respect to all amounts
                                    allocated to Participants' Accounts other
                                    than amounts that are in any
                                    Diversification Account.  The Plan shall be
                                    interpreted and construed in accordance
                                    with this intent; provided that the only
                                    effect of any failure to comply with ERISA
                                    Section 404(c) or Labor Regulation Section
                                    2550.404c-1 (or any applicable successor
                                    provision) with respect to a transaction
                                    shall be that the limited relief provided
                                    by such provisions shall not apply to such
                                    transaction.  To the extent that the Plan
                                    is intended to constitute a plan described
                                    in ERISA Section 404(c) and Labor
                                    Regulation Section 2550.404c-1 (or any
                                    applicable successor provision), the





                                       74
<PAGE>   86
                                    fiduciaries of the Plan may be relieved of
                                    liability for any losses which are the
                                    direct and necessary result of investment
                                    instructions given.

          (b)         Matching, Nonelective, Before-Tax, and Rollover
                      Contributions, QNECs, and Transferred Amounts made by or
                      on behalf of a Participant shall be allocated to the
                      Participant's Account in a manner consistent with
                      applicable requirements.

(2)       INVESTMENT ELECTIONS:

          (a)         Except as otherwise provided in this Plan, each
                      Participant must elect, at the time the Participant's
                      Account is established, the Investment Fund or Funds in
                      which Investment Contributions will be invested.  Such
                      election must be made in increments of 1%.

          (b)         Notwithstanding any other provision of this Article VIII,
                      to the extent directed to do so by the Committee (which
                      directions shall be determined by the Committee in its
                      sole and absolute discretion), the Trustee shall invest
                      amounts in money market funds, checking accounts, or the
                      like, pending investment or disbursement or as is
                      necessary to satisfy the liquidity requirements of the
                      Trust.

          (c)         (i)           Except as otherwise provided in this Plan,
                                    a Participant may elect to change the
                                    Investment Funds in which future Investment
                                    Contributions will be invested, subject to
                                    the same 1%-increment rule set forth in
                                    Section (2)(a).

                      (ii)          (A)       Except as otherwise provided in
                                              this Plan, a Participant may
                                              elect to change the Investment
                                              Funds in which his Account is
                                              invested.  Such election is not
                                              required to correspond in any
                                              fashion with the election in
                                              effect with respect to the
                                              Participant under subsection (a)
                                              or (c)(i).  Such an election must
                                              be made in increments of 1%.

                                    (B)       Except as otherwise provided in
                                              this Plan, a Participant may
                                              elect to transfer amounts from
                                              the Investment Funds in which his
                                              Account is invested to a
                                              retirement account designated by
                                              the Committee.





                                       75
<PAGE>   87
                                        (I)     The amount transferred pursuant
                                                to this Section (2)(c)(ii)(B)
                                                may not exceed the excess of
                                                (1) 50% of the portion of his
                                                Account that is vested over (2)
                                                the portion of his Account that
                                                is already invested, at the
                                                time of the transfer, in a
                                                retirement account designated
                                                by the Committee pursuant to
                                                this Section (2)(c)(ii)(B).

                                        (II)    The Committee shall have the
                                                authority, in its sole and
                                                absolute discretion, to (1)
                                                designate one or more
                                                retirement accounts, (2) add or
                                                delete retirement accounts, (3)
                                                not have any retirement
                                                accounts available under this
                                                Section (2)(c)(ii)(B), and (4)
                                                prescribe any necessary or
                                                appropriate rules regarding the
                                                availability, maintenance, or
                                                operation of retirement
                                                accounts, provided that any
                                                retirement account designated
                                                by the Committee shall (a)
                                                permit the Participant to
                                                direct investments within such
                                                retirement account, subject to
                                                such restrictions as determined
                                                by the Committee in its sole
                                                and absolute discretion, and
                                                (b) contain such terms and
                                                safeguards as to ensure
                                                compliance with applicable law.

                                        (III)   The Committee's authority under
                                                Section (2)(c)(ii)(B)(II)(4)
                                                shall include, for example, the
                                                authority to prescribe (1)
                                                requirements regarding the
                                                minimum amount transferred to,
                                                or held in, a retirement
                                                account designated by the
                                                Committee, (2) rules for
                                                determining which types of
                                                Investment Contributions are
                                                treated as invested in the
                                                retirement account, (3) rules
                                                regarding the extent to which
                                                withdrawals, partial
                                                distributions, or Plan loans
                                                shall be made from a retirement
                                                account or from Investment
                                                Funds, and (4) rules regarding
                                                the





                                       76
<PAGE>   88
                                                conditions for transferring
                                                funds from a retirement account
                                                to another retirement account
                                                or to one or more Investment
                                                Funds.

                      (iii)         Any change or transfer pursuant to this
                                    subsection (c) is to be made by application
                                    to the Committee in a manner designated by
                                    the Committee for that purpose.  Any change
                                    of Investment Funds for future
                                    contributions under subsection (c)(i) will
                                    be effective within an administratively
                                    reasonable time after receipt of the
                                    Participant's investment election change in
                                    accordance with the procedures established
                                    by the Committee. Reinvestment of all or
                                    part of an existing Account balance will be
                                    effective in accordance with the procedures
                                    established by the Committee.

          (d)         (i)           (A)       A Participant shall not be
                                              permitted to elect to invest any
                                              portion of his Investment
                                              Contributions or his Account in
                                              the ESOP Fund.  Notwithstanding
                                              anything herein to the contrary,
                                              except as otherwise provided in
                                              Article VI(5) or Article
                                              VI(8)(a), amounts attributable to
                                              ESOP Contributions shall, without
                                              regard to any election by a
                                              Participant, be invested in the
                                              ESOP Fund, may not be reinvested
                                              in any other Investment Fund or
                                              transferred to a retirement
                                              account, and shall be disregarded
                                              in applying all other provisions
                                              of this Section (2) (other than
                                              Section (2)(b) or (2)(f)).

                                    (B)       The rules of paragraph (i)(A)
                                              shall not apply to the Company
                                              Stock Fund.  Accordingly, for
                                              example, a Participant may elect
                                              to invest any portion of his
                                              Investment Contributions (other
                                              than amounts required to be
                                              invested in the ESOP Fund) in the
                                              Company Stock Fund under the
                                              rules otherwise applicable under
                                              Section (1) and this Section (2).
                                              Also, for example, amounts that
                                              are invested in the Company Stock
                                              Fund may be reinvested, under the
                                              rules otherwise applicable under
                                              Section (1) and this Section (2),
                                              in another Investment Fund (other
                                              than the ESOP Fund) at





                                       77
<PAGE>   89
                                              the direction of the Participant
                                              to whose Account such amounts are
                                              allocated.

                      (ii)          A Participant shall not be permitted to
                                    transfer any portion of his Account from
                                    one Investment Fund to another Investment
                                    Fund or to a retirement account to the
                                    extent that such transfer is inconsistent
                                    with the terms of the transferor Investment
                                    Fund.

          (e)         Subject to Article VI, if a Participant does not in a
                      timely manner designate one or more Investment Funds for
                      amounts to be allocated to his Account or designates one
                      or more Investment Funds that are not available for
                      investment by him hereunder, such amounts shall be
                      invested pursuant to a default procedure determined by
                      the Committee, subject to reinvestment under Section (1)
                      and this Section (2).

          (f)         A Participant shall not be permitted to elect to have
                      Investment Contributions invested in the Company Stock
                      Fund or to have any portion of his Account invested in
                      the Company Stock Fund to the extent that such an
                      election would cause the total value of his investments
                      in the ESOP Fund and the Company Stock Fund to exceed, or
                      further exceed, 50% of the value of his Account,
                      determined in a manner established by the Committee.  To
                      the extent that a Participant makes an election with
                      respect to Investment Contributions that is prohibited by
                      this subsection (f), the Investment Contributions at
                      issue shall be invested pursuant to subsection (e).  To
                      the extent that a Participant makes an election with
                      respect to his Account that is prohibited by this
                      subsection (f), such election shall be void and have no
                      effect.

          (g)         With respect to the Account of any Participant (other
                      than such portion of his Account that is invested in a
                      retirement account pursuant to Section (2)(c)(ii)(B)),
                      amounts attributable to each different type of Investment
                      Contribution listed in Article I(64) shall be invested in
                      the same Investment Fund or Funds as all other types of
                      Investment Contributions and in the same proportions.

(3)       RESTRICTIONS ON TRANSACTIONS:

          (a)         Notwithstanding anything to the contrary in Section (1)
                      or (2), the Trustee, the Committee, or any Investment
                      Manager may limit the daily volume of transactions with
                      respect to any Investment Fund or decline to carry out
                      any investment direction in order to act consistently
                      with its responsibilities under all applicable laws or to





                                       78
<PAGE>   90
                      avoid a prohibited transaction or the generation of
                      taxable income to the Trust.  The Trustee, the Committee,
                      or any Investment Manager also may not complete a Plan
                      transaction on the day such transaction would otherwise
                      be completed under this Plan for other reasons that are
                      appropriate in the sole and absolute discretion of the
                      Trustee, the Committee, or the Investment Manager, taking
                      into account their duties under ERISA. Such a reason
                      could include, for example, a suspension of trading in an
                      asset important to one of the Investment Funds or a major
                      disruption of a securities market. Restrictions under
                      this subsection (a) may apply to any transaction under
                      the Plan, including transfers between Investment Funds,
                      transfers to or from retirement accounts described in
                      Section (2)(c)(ii)(B), withdrawals, loans, and
                      distributions.

                      If a transaction that is consistent with applicable law
                      and with the provisions of this Plan is not completed on
                      the day that it would otherwise have been completed under
                      the Plan, the transaction shall be completed as soon as
                      administratively practicable.

          (b)         In addition, notwithstanding anything herein to the
                      contrary, transactions by a Participant or Participants
                      may be restricted to the extent deemed necessary or
                      appropriate, in the sole and absolute discretion of the
                      Corporation, to comply with applicable laws, including
                      but not limited to the federal securities laws.  These
                      restrictions could, for example, limit transfers of
                      Account balances into or out of the Company Stock Fund or
                      ESOP Fund.  Also, the portion of such a restricted
                      Participant's Account that is invested in the Company
                      Stock Fund or the ESOP Fund shall not be available for
                      withdrawal prior to the Participant's death or
                      Termination of Employment or for a loan under Article X.

(4)       CONFIDENTIALITY REGARDING COMPANY STOCK:

          Information relating to the purchase, holding, and sale of Company
          Stock, and the exercise of voting, tender, and similar rights with
          respect to Company Stock shall be held by the Trustee in strict
          confidence and shall not be divulged or released to any person,
          including directors, officers, or employees of the Employer, except
          as otherwise provided herein or required by law.  The Trustee may
          retain the services of a third party to tabulate Participant
          directions and to perform such other ministerial tasks as it deems
          are appropriate.

(5)       VALUATION OF ACCOUNTS:





                                       79
<PAGE>   91
          (a)         As of any applicable date, the value of each Account
                      shall be expressed in terms of Units in the applicable
                      Investment Fund.  The Unit Value shall be determined
                      separately for each Investment Fund.  The Unit Value of
                      any Investment Fund shall be determined by dividing the
                      market value of the assets in the Investment Fund by the
                      total number of Units in the Investment Fund.

          (b)         All deposits made to an Investment Fund shall be
                      converted into Units by dividing the dollar amount of
                      such deposit by the value of one Unit in the Investment
                      Fund determined as of the Valuation Date on which the
                      deposits are made.

(6)       BENEFICIARIES:

          Under rules determined by the Committee, in the case of a deceased
          Participant, this Article VII shall apply to the Participant's
          Beneficiary.





                                       80
<PAGE>   92
                                   ARTICLE IX
                             ACCOUNT DISTRIBUTION:
                          TERMINATION; DEATH; TRANSFER


(1)       ELIGIBILITY FOR DISTRIBUTION OF ACCOUNT: TERMINATION AND DEATH:

          (a)         Except as otherwise provided herein, a Participant shall
                      be eligible to receive the entire amount to the credit of
                      his Account in the event of the Participant's Termination
                      of Employment, provided that an event shall not
                      constitute a Termination of Employment with respect to
                      any part of the Participant's Account unless such event
                      is a Termination of Employment with respect to a
                      Participant's entire Account.  For this purpose, a
                      Participant's Account shall not be treated as including
                      any amounts previously transferred or distributed, even
                      if such transfer or distribution is made after or on
                      account of the same event.

          (b)         In the event of the death of a Participant, payment of
                      such Participant's Account shall be made to his
                      Beneficiary.

(2)       ELIGIBILITY FOR DISTRIBUTION OF ACCOUNT:  TRANSFERS OF EMPLOYMENT:

          (a)         If an Eligible Employee remains employed by the Employer
                      but ceases to be an Eligible Employee, no further
                      contributions shall be made to the Plan by or on behalf
                      of such individual with respect to periods during which
                      he is not an Eligible Employee.  During the period during
                      which such individual remains employed by the Employer,
                      he shall not be treated as having had a Termination of
                      Employment for purposes of the distribution provisions of
                      this Plan.

          (b)         If a Participant remains employed by the Employer but
                      ceases to be an Eligible Employee, the Account of such
                      Participant may, in the sole and absolute discretion of
                      the Committee, be transferred (other than in an Elective
                      Transfer) to another plan maintained by the Employer,
                      provided that such plan is qualified under Code Section
                      401(a) or 403(a).

          (c)         This subsection (c) shall only apply to a Participant who
                      is among a group of individuals who by reason of the same
                      event all (i) cease to be employed by the Employer and
                      (ii) become employed by another employer for whom they
                      are performing substantially the same services that they
                      performed for the Employer.  The Account of a





                                       81
<PAGE>   93
                      Participant to whom this subsection (c) applies shall be
                      transferred, in whole or in part, to a plan maintained by
                      such new employer if (A) such plan is qualified under
                      Code Section 401(a) or 403(a), and (B) such transfer is
                      provided for in a document (such as a purchase agreement
                      in the case of a sale by the Employer of the assets of a
                      trade or business) setting forth the legal and
                      contractual obligations of the parties involved in the
                      event.  The transfer may be an Elective Transfer or a
                      transfer that is not an Elective Transfer, as provided
                      for in the document described in the preceding sentence.

(3)       PAYMENT OF PARTICIPANT ACCOUNT:

          (a)         In General.

                      This Section (3) shall apply except to the extent
                      otherwise provided in this Plan.

          (b)         Lump Sum Payment.

                      A Participant who is eligible for a distribution from the
                      Plan pursuant to Section (1) may elect to receive a
                      distribution by making an application therefor to the
                      Committee in a manner designated by the Committee.  In
                      such application, the Participant may elect to receive a
                      distribution of his entire Account as a lump sum as soon
                      as practicable after the application is received by the
                      Committee and in accordance with the Plan's normal
                      processing standards and procedures.  The Valuation Date
                      for the distribution will be the day on which the
                      Participant's payment record is processed for
                      distribution by the Committee.

          (c)         Installment Payments.

                      In the application described in subsection (b), a
                      Participant who is eligible for a distribution from the
                      Plan pursuant to Section (1) may elect to have his
                      Account paid to him in:

                      (i)           Monthly, quarterly, or annual installments,
                                    over a period designated by the
                                    Participant, provided that such period
                                    shall not exceed the life expectancy of the
                                    Participant (determined in the manner set
                                    forth under Code Section 401(a)(9) except
                                    that a single determination shall be made
                                    for the year in which distributions
                                    commence (or the prior year to the extent
                                    required by Code Section 401(a)(9)); or





                                       82
<PAGE>   94
                      (ii)          Monthly, quarterly, or annual installments
                                    in a dollar amount designated by the
                                    Participant, provided that the entire
                                    remaining portion of his Account shall be
                                    distributed within the 60-day period ending
                                    on the last day of the Participant's life
                                    expectancy (determined in the manner set
                                    forth under Code Section 401(a)(9) except
                                    that a single determination shall be made
                                    for the year in which distributions
                                    commence (or the prior year to the extent
                                    required by Code Section 401(a)(9)).

                      Any election under Section (3)(c)(i) or (3)(c)(ii) may
                      not be modified by the Participant except to the extent
                      permitted under Section (3)(d).

          (d)         Installment Payment Methodology.

                      Installment payments described in subsection (c) shall be
                      subject to the following provisions:

                      (i)           The first monthly, quarterly, or annual
                                    payment under subsection (c) will be made
                                    as soon as practicable after the
                                    Participant's application is received by
                                    the Committee.

                      (ii)          This paragraph (ii) shall apply to payments
                                    made under subsection (c)(i). The amount of
                                    each monthly payment, if applicable, will
                                    be determined by dividing the value of the
                                    Participant's Account balance by the number
                                    of months remaining in the payment
                                    schedule.  The amount of each quarterly
                                    payment, if applicable, will be determined
                                    by dividing the value of the Participant's
                                    Account balance by the number of quarters
                                    remaining in the payment schedule.  The
                                    amount of each annual payment, if
                                    applicable, will be determined by dividing
                                    the value of the Participant's Account
                                    balance by the number of years remaining in
                                    the payment schedule.

                      (iii)         A Participant who elects the installment
                                    option may elect to receive a lump sum
                                    distribution of the balance of his Account
                                    at any time.

                      (iv)          In the event the Participant dies prior to
                                    a complete distribution of his Account, the
                                    balance of his Account shall be paid in a
                                    single sum payment to his Beneficiary
                                    within an administratively reasonable time
                                    after such death.





                                       83
<PAGE>   95
                      (v)           All payments under this subsection (d)
                                    shall be valued as of the day on which the
                                    payment is processed for distribution by
                                    the Committee.

          (e)         Annuity Payments.

                      In the application described in subsection (b), a
                      Participant who is eligible for a distribution from the
                      Plan pursuant to Section (1) may elect to have his
                      account paid to him in a Joint and Survivor Annuity or in
                      a single life annuity.

          (f)         Limits on Distributions during Reemployment.

                      Notwithstanding the foregoing, no distribution shall be
                      made pursuant to this Section (3) (other than payments
                      under an annuity contract previously distributed under
                      Section (4)(b)) if, at the time such distribution would
                      be made, the Participant has been reemployed by the
                      Employer as an Employee.  Any further distribution shall
                      be deferred until the Participant again qualifies for
                      such a distribution under the terms of the Plan.

          (g)         Death Benefits.

                      In the event of the death of a Participant prior to his
                      Annuity Starting Date, all amounts credited to his
                      Account shall be distributed in a single payment to his
                      Beneficiary within an administratively reasonable time
                      after such death.

(4)       MEDIUM OF DISTRIBUTION:

          (a)         All distributions shall be made in cash. Notwithstanding
                      the preceding, if a Participant or Beneficiary whose
                      Account includes an interest in the ESOP Feature so
                      elects in the manner prescribed therefor by the
                      Committee, distribution of all or part of such interest
                      shall be in Shares (with fractional Shares paid in cash);
                      provided that any amount paid as an annuity shall be paid
                      only in cash.

          (b)         Where a distribution is made with respect to a
                      Participant's Account in the form of an annuity described
                      in Section (3)(e), (8)(a), or (8)(e) an annuity contract
                      shall be purchased from a life insurance company and such
                      contract shall be distributed.  The cost of such contract
                      and all costs related to the purchase of the contract
                      shall be charged against the Participant's vested
                      Account.  The insurance company from which





                                       84
<PAGE>   96
                      the contract is purchased shall be the insurance company
                      designated in writing (i) by the Participant in the case
                      of an annuity described in Section (3)(e) or (8)(e), or
                      (ii) by the Spouse in the case of an annuity described in
                      Section (8)(a).  Any such designation and purchase shall
                      be made in accordance with applicable law.  If a valid
                      designation of an insurance company is not made in a
                      timely fashion by the Participant or the Spouse, as the
                      case may be, the Committee shall designate the insurance
                      company.  The terms of any annuity contract purchased and
                      distributed by the Plan shall comply with the applicable
                      requirements of this Plan, the Code, ERISA, and other
                      applicable laws.  Distribution of all or a part of a
                      Participant's Account with one or more annuity contracts
                      shall, with respect to such portion of the Participant's
                      Account, constitute a complete acquittal and discharge of
                      every liability under the Plan and Trust with respect to
                      such Participant and with respect to any person whose
                      rights are derived from the rights of such Participant.

(5)       OTHER DISTRIBUTIONS:

          In the event that a loan made to a Participant under Article X is in
          default and the Committee determines, under terms that are
          incorporated herein by reference, that it is necessary for a
          distribution to be made under the Plan in order to cure such default
          and that such a distribution could be made under applicable law, the
          Committee, with notice to the Participant, shall cause a distribution
          to be made on behalf of the Participant under the Plan which shall be
          applied by the Committee to the unpaid balance of the loan, including
          accrued interest.  Such distribution shall be charged against the
          security for the loan, as determined under Article X(2)(h).  Any such
          distribution shall be subject to whatever restrictions and other
          rules are applicable under Article IV, Article IX, or other Plan
          provisions, as the case may be, except to the extent that the context
          clearly indicates otherwise, provided that, solely for purposes of
          such a distribution, amounts attributable to Discretionary
          Allocations shall be treated as withdrawable under Article IV by any
          Participant who has attained the age of 59 1/2.  For purposes of this
          Section (5), a loan made to a Participant shall be treated as in
          default if the Participant fails to make three consecutive monthly
          payments, except as otherwise provided in rules determined by the
          Committee that are incorporated herein by reference.

(6)       QUALIFIED DOMESTIC RELATIONS ORDERS:

          The Plan shall comply with any order determined by the Committee to
          be a qualified domestic relations order (within the meaning of Code
          Section 414(p)). Notwithstanding the foregoing, a payment under a
          qualified domestic relations order may commence at the time set forth
          in the order, even if such time would





                                       85
<PAGE>   97
          be earlier than the date on which the amount would otherwise be
          payable to the Participant under the Plan.

          The Committee shall establish reasonable procedures consistent with
          applicable rules to determine the qualified status of domestic
          relations orders and to administer distributions under such qualified
          domestic relations orders (or the segregation of amounts pending
          determination of such status).

(7)       ADDITIONAL DISTRIBUTION RULES:

          (a)         Distributions of Small Amounts.

                      (i)           If a Participant has a Termination of
                                    Employment, and the value of his Account
                                    exceeds $3,500 (determined as of such times
                                    and in such manner as are required by Code
                                    Section 411(a)(11)), his Account will not
                                    be distributed to him without his written
                                    consent except as otherwise provided in
                                    this Article IX.  Notwithstanding anything
                                    in this Plan to the contrary (including,
                                    without limitation, Section (8)), if a
                                    Participant has a Termination of
                                    Employment, and the value of his Account
                                    does not exceed $3,500 (determined as of
                                    such times and in such manner as are
                                    required by Code Sections 411(a)(11) and
                                    417), his Account shall be distributed in a
                                    single sum without his consent within an
                                    administratively reasonable time.

                      (ii)          Effective as of January 1, 1998, Section
                                    (7)(a)(i) shall be applied by substituting
                                    "$5,000" for "$3,500" wherever it appears.

          (b)         Distribution Due Date.

                      (i)           Commencement of Distributions.  The
                                    distribution of a Participant's Account
                                    shall begin, if it has not previously
                                    begun, within an administratively
                                    reasonable period after the later of (A)
                                    the Participant's Termination of
                                    Employment, or (B) the Participant's
                                    attainment of age 65.  If a distribution
                                    commences to a Participant who has not made
                                    an election of a form of distribution under
                                    Section (3), the Participant shall be
                                    deemed to have elected to receive such
                                    distribution in the form of a Joint and
                                    Survivor Annuity.





                                       86
<PAGE>   98
                      (ii)          Legally Required Provision.  The
                                    distribution of the Participant's Account
                                    shall begin not later than the sixtieth day
                                    after the close of the Plan Year in which
                                    the latest of the following dates occurs:

                                    (A)       the date on which the Participant
                                              attains age 65;

                                    (B)       the tenth anniversary of the year
                                              in which the Participant
                                              commenced participation in the
                                              Plan; or

                                    (C)       the date on which the Participant
                                              has a Termination of Employment.

          (c)         Minimum Distribution Requirements.

                      (i)           A Participant's entire vested interest
                                    under this Plan must be distributed,
                                    beginning not later than the required
                                    beginning date (as defined in Code section
                                    401(a)(9) (subject to applicable provisions
                                    of law regarding effective dates and
                                    transition rules)), over a period no longer
                                    than:  (A) the life of the Participant, (B)
                                    the lives of the Participant and a
                                    designated beneficiary, (C) the life
                                    expectancy of the Participant, or (D) the
                                    life expectancy of the Participant and a
                                    designated beneficiary.

                      (ii)          If a Participant dies after distributions
                                    to him have commenced, the Participant's
                                    remaining benefits shall be distributed at
                                    least as rapidly as under the method of
                                    distribution being used as of the date of
                                    the Participant's death.

                      (iii)         If a Participant dies before distributions
                                    to him have commenced, the Participant's
                                    remaining benefits shall (A) be distributed
                                    in their entirety by December 31 of the
                                    calendar year which contains the fifth
                                    anniversary of the death of the
                                    Participant, or (B) be distributed over a
                                    period no longer than the life (or life
                                    expectancy) of a designated beneficiary.
                                    The determination of whether Section
                                    (7)(c)(iii)(A) or (7)(c)(iii)(B) shall
                                    apply shall depend on which is consistent
                                    with the benefits payable under the Plan
                                    without regard to this Section (7)(c).
                                    Distributions described in Section
                                    (7)(c)(iii)(B) shall commence no later than
                                    December 31 of the calendar year
                                    immediately





                                       87
<PAGE>   99
                                    following the calendar year of the
                                    Participant's death except to the extent
                                    provided under Code Section 401(a)(9).

                      (iv)          The determination of whether life
                                    expectancies of Participants and their
                                    spouses shall be recalculated under the
                                    regulations issued under Code Section
                                    401(a)(9) shall depend on whether such
                                    recalculation is consistent with the
                                    benefits payable under the Plan without
                                    regard to this Section (7)(c).

                      (v)           The benefits of any Participant must
                                    conform to the incidental death benefit
                                    requirements of Code Section 401(a)(9).

                      (vi)          The provisions of this Section (7)(c) shall
                                    be applied in accordance with regulations
                                    issued under Code Section 401(a)(9) and
                                    shall override any inconsistent
                                    distribution options contained in this
                                    Plan.

          (d)         Rollovers to Other Plans.

                      (i)           Notwithstanding any provision of the Plan
                                    to the contrary that would otherwise limit
                                    a Distributee's election under this Section
                                    (7)(d), a Distributee may elect at the time
                                    and in the manner prescribed by the
                                    Committee, to have any portion of an
                                    Eligible Rollover Distribution paid
                                    directly to an Eligible Retirement Plan
                                    specified by the Distributee in a Direct
                                    Rollover, provided that no election shall
                                    be available in the circumstances described
                                    in Treasury Regulation Section
                                    1.401(a)(31)-1 Q/A- 11 (or any applicable
                                    successor provision).

                      (ii)          For purposes of Section (7)(d)(i), the
                                    following rules apply:

                                    (A)       In the sole and absolute
                                              discretion of the Committee, a
                                              Direct Rollover may be made by
                                              any means permitted by Treasury
                                              Regulation Section 1.401(a)(31)-1
                                              Q/A-3, Q/A-4 (or any applicable
                                              successor provision).

                                    (B)       The Committee may, in its sole
                                              and absolute discretion, require,
                                              as a condition of making a





                                       88
<PAGE>   100
                                              Direct Rollover, that the
                                              Distributee electing the Direct
                                              Rollover provide such information
                                              or documentation as is permitted
                                              under Treasury Regulation Section
                                              1.401(a)(31)-1 Q/A-6 (or any
                                              applicable successor provision).

                                    (C)       The Committee may establish a
                                              deadline for a Distributee to
                                              elect a Direct Rollover, which
                                              deadline shall comply with all
                                              applicable requirements under the
                                              Code.  To the extent permitted by
                                              law, such deadline may vary
                                              depending on the circumstances of
                                              the Distributee (such as whether
                                              Section (7)(c) applies to the
                                              Participant).

                                              If a Distributee does not make
                                              any election by the applicable
                                              deadline, the Distributee shall
                                              be deemed to have elected not to
                                              have a Direct Rollover made.

                                    (D)       Subject to the other requirements
                                              set forth in this Section (7)(d),
                                              a Distributee may elect to have
                                              all or any portion of his
                                              Eligible Rollover Distribution
                                              paid directly to an Eligible
                                              Retirement Plan specified by the
                                              Distributee in a Direct Rollover,
                                              provided that if a Distributee
                                              elects to have only a portion of
                                              his Eligible Rollover
                                              Distribution paid in such manner,
                                              such election shall only be
                                              permitted if the value of the
                                              portion is equal to or greater
                                              than $500.

                                    (E)       Any election to have a Direct
                                              Rollover made with respect to an
                                              Eligible Rollover Distribution
                                              must specify a single Eligible
                                              Retirement Plan to which the
                                              Direct Rollover shall be made.

                                    (F)       For purposes of this Plan, a
                                              Direct Rollover with respect to a
                                              Distributee shall be treated as a
                                              distribution or withdrawal with
                                              respect to such Distributee.

                                    (G)       If an Eligible Rollover
                                              Distribution is one payment in a
                                              series of periodic payments, and
                                              the Distributee elects to have
                                              some or all of such





                                       89
<PAGE>   101
                                              Eligible Rollover Distribution
                                              paid to an Eligible Retirement
                                              Plan specified by the Distributee
                                              in a Direct Rollover, such
                                              election shall apply to all
                                              subsequent payments in the
                                              series; provided that the
                                              Distributee is permitted at any
                                              time to change the election with
                                              respect to subsequent payments in
                                              the series; provided further that
                                              any such change shall be treated
                                              as an election subject to this
                                              Section (7)(d)(ii)(G).

                      (iii)         The provisions of this Section (7)(d) shall
                                    apply only to distributions made after
                                    December 31, 1992 and only to the extent
                                    required by the plan qualification rules of
                                    Section 401(a) of the Code.

          (e)         Investment Funds.

                      In the event that the portion of the Participant's
                      Account from which a distribution is made is invested in
                      more than one Investment Fund at the time of such
                      distribution, the amount distributed shall be charged to
                      each Investment Fund in proportion to the value of the
                      investment of such portion of his Account in such
                      Investment Fund, provided that if the Participant
                      specifically designates the Investment Funds to be
                      charged, the amount distributed shall be charged to
                      Investment Funds in accordance with the Participant's
                      designation.  For purposes of this subsection (e), a
                      retirement account described in Article VIII(2)(c)(ii)(B)
                      shall be treated as an Investment Fund.

(8)       SPECIAL RULES:

          This Section (8) shall apply notwithstanding any other provision of
          this Plan to the contrary.

          (a)         Pre-Retirement Survivor Annuity.

                      Unless otherwise elected as provided below, a Participant
                      who dies before the Annuity Starting Date and who has a
                      Spouse shall have his Account paid to his Spouse in the
                      form of a Pre-Retirement Survivor Annuity.  Unless the
                      Spouse elects an earlier distribution, payment of the
                      Pre-Retirement Survivor Annuity will begin within an
                      administratively reasonable time after the later of (i)
                      the date the Participant would have attained age 65, or
                      (ii) the date that is 90 days after the death of the
                      Participant.  If a Participant, on the date of his





                                       90
<PAGE>   102
                      death, does not have a Spouse, distribution of the
                      Participant's Account shall be made without regard to
                      this Section (8).

          (b)         Waiver of Pre-Retirement Survivor Annuity.

                      (i)           An election to waive the Pre-Retirement
                                    Survivor Annuity before the Participant's
                                    death must be made by the Participant
                                    during the election period in writing and
                                    on a form prescribed therefor by the
                                    Committee, and shall require the Spouse's
                                    irrevocable consent as provided in Section
                                    (8)(g).

                      (ii)          Notwithstanding the terms of any waiver
                                    regarding the form of death benefit, if the
                                    Spouse has not, at the time of the
                                    Participant's death, properly consented to
                                    a non-Spouse Beneficiary, the Spouse may
                                    elect on a form prescribed therefor by the
                                    Committee (A) to begin receiving the
                                    Pre-Retirement Survivor Annuity within a
                                    reasonable time following the later of the
                                    Participant's death or the Spouse's
                                    election, or (B) to receive a single sum
                                    distribution of the Participant's Account
                                    within a reasonable time following the
                                    later of the Participant's death or the
                                    Spouse's election.  Any written election
                                    described in this Section (8)(b)(ii) must
                                    be obtained not more than ninety (90) days
                                    before distribution begins and shall be
                                    made in accordance with the provisions of
                                    this Section (8).  If a Spouse's election
                                    is not received by the later of (C) the
                                    date the Participant would have attained
                                    age 65 or (D) the date that is ninety (90)
                                    days after the Participant's death,
                                    distribution of the Pre-Retirement Survivor
                                    Annuity will begin within an
                                    administratively reasonable time after the
                                    later of such dates.

          (c)         Election Period.

                      The election period to waive the Pre-Retirement Survivor
                      Annuity shall begin on the first day of the Plan Year in
                      which the Participant attains age 35 and shall end on the
                      date of the Participant's death.  An earlier waiver (with
                      Spousal consent) may be made, but such waiver shall
                      become invalid at the beginning of the Plan Year in which
                      the Participant attains age 35.  When a Participant
                      separates from service prior to the beginning of the
                      election period, the election period shall begin on the
                      date of separation from service.





                                       91
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          (d)         Notice of Election Rights.

                      The Committee shall provide Participants with an
                      explanation of the election that meets the requirements
                      of Code Section 417(a)(3)(B).

          (e)         Joint and Survivor Annuity.

                      Unless otherwise elected as provided below, a Participant
                      who does not die before the Annuity Starting Date shall
                      receive his Account in the form of a Joint and Survivor
                      Annuity, provided that this subsection (e) shall not
                      apply to a withdrawal under Article IV except to the
                      extent required by law.  The Joint and Survivor Annuity
                      shall begin within a reasonable time after the
                      Participant's Annuity Starting Date.

          (f)         Election to Waive Joint and Survivor Annuity.

                      An election to waive the Joint and Survivor Annuity must
                      be made by the Participant during the election period in
                      writing on a form prescribed therefor by the Committee
                      with the consent of the Participant's Spouse.  An
                      election to designate a Beneficiary or form of benefits
                      may not be changed without Spousal consent.  An unmarried
                      Participant may elect in writing during the election
                      period on a form prescribed therefor by the Committee to
                      waive the Joint and Survivor Annuity.  An election may be
                      revoked by the Participant in writing without the consent
                      of the Spouse at any time during the election period.
                      The number of revocations shall not be limited.  Any new
                      election must comply with the requirements of this
                      paragraph.

          (g)         Spousal Consent.

                      Spousal consent will be valid only if (i) it is in
                      writing on a form prescribed therefor by the Committee,
                      (ii) the Spouse's consent acknowledges the effect of the
                      consent, and (iii) the Spouse's signature is witnessed by
                      a Plan representative or a notary public and is
                      acknowledged in writing by such witness on a form
                      prescribed therefor by the Committee. Notwithstanding
                      this consent requirement, if the Participant establishes
                      to the satisfaction of the Committee that such written
                      consent cannot be obtained because:

                                    (A)       there is no Spouse;

                                    (B)       the Spouse cannot be located; or





                                       92
<PAGE>   104
                                    (C)       of other circumstances that may
                                              be prescribed by Treasury
                                              Regulations;

                      the Participant's waiver under Section (8)(f) or Section
                      (8)(b), whichever is applicable, will be considered
                      valid.  Any consent under this provision will be valid
                      only with respect to the Spouse who signs the consent and
                      only with respect to the Beneficiary and, in the case of
                      an election to waive the Joint and Survivor Annuity, form
                      of benefit designated in that consent.  A consent under
                      this provision may not be revoked.  If the existence of a
                      Spouse is uncertain or if the validity of Spousal consent
                      is unclear, the Committee shall withhold payment of
                      benefits until such determination is made.  The Committee
                      in its sole and absolute discretion may refuse to
                      recognize a Spousal consent if it believes for any reason
                      that the consent is invalid.

          (h)         Election Period.

                      The election period to waive the Joint and Survivor
                      Annuity is the ninety (90) day period ending on the
                      Annuity Starting Date (except to the extent otherwise
                      provided in Code Section 417(a)(7)).  A payment shall not
                      be considered to occur after the Annuity Starting Date
                      when actual payment is reasonably delayed for calculation
                      of the benefit amount.

          (i)         Notice of Election Rights.

                      The Committee shall provide the Participant with an
                      explanation of the election which meets the requirements
                      of Code Section 417(a)(3)(A) (taking into account Code
                      Section 417(a)(7)).

          (j)         Effect of Waiver.

                      If a proper waiver is executed under Section (8)(f) with
                      respect to a Participant, the Participant's Account shall
                      be distributed under the provisions of this Article VII
                      without regard to this Section (8).

          (k)         Small Amounts.

                      If the value of a Participant's Account is $3,500 or less
                      (determined as of such times and in such manner as are
                      required by Code Section 417), this Section (8) shall not
                      apply with respect to such Participant.  Effective as of
                      January 1, 1998, this Section (8)(k) shall be applied by
                      substituting "$5,000" for "$3,500".





                                       93
<PAGE>   105
(9)       RECOVERY OF PAYMENTS MADE BY MISTAKE:

          Notwithstanding anything in this Plan to the contrary, any person or
          entity is entitled to only those Distributions or other payments to
          which he is entitled under the terms of the Plan and applicable law,
          and shall promptly return any payment, or portion thereof, made by
          mistake of fact or law.  The Committee may offset the future benefits
          of any person or entity who fails to return an erroneous Distribution
          or other payment, in addition to pursuing any other remedies provided
          by law.

 (10)     SPECIAL RULES FOR CERTAIN DISTRIBUTION APPLICATIONS SUBMITTED PRIOR
          TO THE APPLICABLE EFFECTIVE DATE:

          Any distribution made after December 31, 1997 with respect to a
          distribution application that had been submitted to the Committee on
          or before December 31, 1997 shall be made pursuant to the Plan as in
          effect on the applicable date prior to the Effective Date. Any
          distribution made after December 31, 1998 with respect to a
          distribution application that had been submitted to the appropriate
          person or persons with respect to a Prior Plan on or before December
          31, 1998, shall be made pursuant to the applicable Prior Plan as in
          effect on the applicable date prior to January 1, 1999.  Any deemed
          election under a provision similar to the last sentence of Section
          (7)(b)(i) shall, for purposes of this Section (10), be treated as a
          distribution application that was submitted to the Committee on the
          date of such deemed election.

(11)      COORDINATION BETWEEN PLANS AND WITH THE APPENDICES:

          (a)         Coordination Between the Plan and the Money Purchase
                                    Pension Plan.  Except to the extent
                                    otherwise required by law, the Plan and the
                                    Money Purchase Pension Plan shall be
                                    treated as a single plan for purposes of
                                    this Article VII. Accordingly, for example,
                                    any election of a form of distribution
                                    under Section (3) shall apply both to the
                                    Plan and to the Money Purchase Pension
                                    Plan.

          (b)         Coordination With the Appendices.

                      (i)           All provisions of this Plan shall apply to
                                    distributions under the Appendices except
                                    for provisions that (A) are not required by
                                    law, (B) are inconsistent with the
                                    Appendices, and (C) are not, in context,
                                    intended to override the Appendices.





                                       94
<PAGE>   106
                      (ii)          If an amount attributable to a Predecessor
                                    Plan is distributed to a Participant or
                                    Beneficiary in a form that is different
                                    from the form or forms applicable with
                                    respect to the remainder of his Account,
                                    the amount attributable to the Predecessor
                                    Plan shall be disregarded in applying
                                    Section (3) to the remainder of his
                                    Account.

                      (iii)         Notwithstanding anything in the Appendices
                                    to the contrary, no distribution under
                                    Article IX shall commence or be made to a
                                    Participant unless a distribution of all
                                    other amounts then available to the
                                    Participant under Article IX commences or
                                    is made at the same time.

                      (iv)          Notwithstanding anything in the Appendices
                                    to the contrary, no distribution of amounts
                                    attributable to a Predecessor Plan shall
                                    commence or be made to a Participant in any
                                    form unless a distribution of all other
                                    amounts then available to the Participant
                                    under Article IX in the same form commences
                                    or is made in the same form.

                      (v)           Article IX shall be construed in a manner
                                    so as to effectuate the purposes of this
                                    Section (11) and the Appendices.





                                       95
<PAGE>   107
                                   ARTICLE X
                             LOANS TO PARTICIPANTS


(1)       AVAILABILITY OF LOANS TO PARTICIPANTS:

          (a)         The Committee shall provide for the availability of loans
                      from the Plan to Employees who have Accounts thereunder
                      and to any other Participant or Beneficiary (in the case
                      of a deceased Participant) who is a party in interest
                      within the meaning of Section 3(14) of ERISA.  The loans
                      shall be made pursuant to the provisions and limitations
                      of this Article X.  References in this Article X to a
                      "Participant" shall be deemed to be references also to a
                      Beneficiary (in the case of a deceased Participant)
                      except to the extent that the context or applicable law
                      indicates otherwise.

          (b)         The Committee may establish rules, which are incorporated
                      herein by reference, governing loans, provided that such
                      rules are not inconsistent with the provisions of this
                      Article X or applicable laws.  These rules may limit the
                      number of loans a Participant may receive, require
                      payment of loan processing fees by the Participant
                      (either directly or out of his Account), or establish any
                      other requirements the Committee determines to be
                      necessary or desirable.

(2)       TERMS AND CONDITIONS OF LOANS TO PARTICIPANTS:

          Any loan under this Article X shall satisfy the following
          requirements:

          (a)         Amount of Loan.

                      At the time a loan is made, the principal amount of the
                      loan, plus the outstanding balance (principal plus
                      accrued interest) due on any other loans to the
                      Participant from the Plan, shall not exceed the least of
                      (i) $50,000, (ii) one-half of the value of the
                      Participant's vested Account, or (iii) the portion of the
                      Participant's vested Account that is not attributable to
                      Core Nonelective Contributions, Interim Supplemental
                      Contributions, or Grandfathered AmVestors Supplemental
                      Contributions.  With respect to any loan under this
                      Article X, the $50,000 limit set forth in Section
                      (2)(a)(i) shall be reduced by the sum of (iv) the
                      outstanding balance due on all Qualified Retirement Plan
                      Loans to the Participant other than loans from the Plan,
                      and (v) the excess (if any) of (A) the highest
                      outstanding balance of all Qualified Retirement Plan
                      Loans to the Participant during the one-year period
                      ending on the day before the date on which the loan is





                                       96
<PAGE>   108
                      made over (B) the outstanding balance of Qualified
                      Retirement Plan Loans to the Participant on the date on
                      which the loan is made.

                      At the time a loan is made, the principal amount of the
                      loan shall not be less than $1,000.

          (b)         Source of Loan.

                      Each loan shall be treated as an investment of the
                      Borrower's Account.  Any loan to a Participant shall be
                      made from amounts in the Participant's Account that are
                      described in the following sentence and shall be made in
                      the order set forth therein.  Any loan shall be made from
                      amounts attributable to:  first, Before-Tax
                      Contributions; second, vested Matching Contributions;
                      third, Rollover Contributions; fourth, after-tax employee
                      contributions to a Predecessor Plan; and fifth,
                      Discretionary Allocations.  Loan repayments shall be
                      credited in the reverse order.

                      For purposes of this Section (2)(b), an amount
                      attributable to a Predecessor Plan shall be treated in
                      the same manner as if the contribution from which the
                      amount is derived were made to this Plan.  Thus, for
                      example, an amount attributable to a rollover
                      contribution to a Predecessor Plan shall be treated as an
                      amount attributable to a Rollover Contribution for
                      purposes of this Section (2)(b).

          (c)         Investment Funds.

                      In the event that the portion of the Participant's
                      Account from which the loan is made (as set forth in
                      Article X(2)(b)) is invested in more than one Investment
                      Fund at the time of such loan, the amount loaned shall be
                      charged to each Investment Fund in proportion to the
                      value of the investment of such portion of his Account in
                      such Investment Fund on such processing date, provided
                      that if the Participant specifically designates the
                      Investment Funds to be charged, the amount loaned shall
                      be charged to Investment Funds in accordance with the
                      Participant's designation. For purposes of the preceding
                      sentence, a retirement account described in Article
                      VIII(2)(c)(ii)(B) shall be treated as an Investment Fund.
                      Amounts paid by a Participant to the Plan as repayments
                      of a loan shall be allocated to Investment Funds in
                      accordance with the Participant's existing investment
                      allocations for future contributions.

          (d)         Application for Loan.





                                       97
<PAGE>   109
                      The Participant must apply for a loan in the manner
                      specified by the Committee.

          (e)         Length of Loan.

                      (i)           (A)       The Participant shall be required
                                              to repay the loan in
                                              approximately equal installments
                                              of principal and interest over
                                              not longer than 5 years, or such
                                              shorter period as the Committee
                                              may designate.  The 5-year (or
                                              shorter) limit shall not apply to
                                              any loan the proceeds of which
                                              are applied by the Participant to
                                              acquire or construct any dwelling
                                              unit that is to be used within a
                                              reasonable time after the loan is
                                              made as the principal residence
                                              of the Participant.  In the
                                              latter case, the loan shall be
                                              for a maximum of 15 years.

                                    (B)       No loan shall be made to any
                                              Participant to the extent that
                                              the Committee determines, in its
                                              sole and absolute discretion,
                                              that there is a substantial
                                              possibility that the loan would
                                              be viewed by the Internal Revenue
                                              Service as an artifice to extend
                                              the repayment period of a
                                              previous loan beyond the
                                              applicable maximum period set
                                              forth in paragraph (e)(i)(A).

                      (ii)          (A)       Except as otherwise provided in
                                              paragraph (ii)(B), the principal
                                              amount of the loan, together with
                                              all accrued interest, shall
                                              immediately become due when the
                                              Participant is no longer employed
                                              by an Employing Company and is no
                                              longer a party in interest under
                                              Section 3(14) of ERISA.

                                    (B)       Paragraph (ii)(A) shall not apply
                                              to a Participant who ceases to be
                                              employed by an Employing Company
                                              by reason of (I) the indefinite
                                              closure of an office location, or
                                              (II) the elimination of the
                                              Participant's position.

          (f)         Prepayment.





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<PAGE>   110
                      A Participant shall be permitted at any time to prepay a
                      loan in whole or in part without penalty.  If a
                      Participant makes a partial prepayment with respect to a
                      loan, all of the original terms of the loan, including
                      without limitation the repayment period and the interest
                      rate, shall remain the same, but the amount of each of
                      the approximately equal repayment installments that are
                      subsequently required shall be adjusted to take into
                      account the partial prepayment.

          (g)         Notes, Interest, and Withholding.

                      The Committee may require that the loan be evidenced by a
                      promissory note executed by the Participant and delivered
                      to the Trustee.  The loan shall bear interest at a rate
                      equal to the prime rate for loans charged by AmerUs Bank
                      of Des Moines, Iowa, on the first business day of the
                      month in which the loan is made, except that if the
                      Committee establishes different rules for determining the
                      interest rate (any which rules are incorporated herein by
                      reference), the interest rate shall be determined under
                      such rules.  For this purpose, the Committee will use a
                      rate of interest which provides the Plan with a return
                      commensurate with the interest rates charged by persons
                      in the business of lending money for loans under similar
                      circumstances.  Negotiation of a loan check shall be
                      deemed to be consent to the terms of the loan and the
                      related promissory note.  Repayment of principal and
                      payment of interest will be made in installments not less
                      frequently than quarterly and normally will be effected
                      through payroll withholding, and the Participant shall
                      execute any necessary documents to accomplish this as a
                      condition to approval of the loan.  In circumstances
                      where payroll withholding is not possible or
                      administratively practical, repayments shall be made by
                      check in monthly installments, except that if the
                      Committee establishes different rules for the making of
                      such repayments (any which rules are incorporated herein
                      by reference), repayments shall be made under such rules.

          (h)         Security.

                      The loan shall be secured by an assignment of the
                      Participant's right, title, and interest in and to his
                      Account in the Plan, provided that the amount of such
                      security shall at all times be equal to the outstanding
                      amount of the loan. The initial source of such security
                      shall be determined under the loan source rules of
                      Section (2)(b) as of the date of the loan; the source of
                      any subsequent increase or decrease in the





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<PAGE>   111
                      amount of the security shall be determined pursuant to
                      such loan source rules as of the date of such increase or
                      decrease.

                      Amounts held as security for a loan shall not be
                      available for withdrawal or distribution except to the
                      extent that such amounts are applied to the unpaid
                      balance of the loan (including accrued interest) pursuant
                      to applicable provisions of this Plan.

          (i)         One Loan Per Plan Year.

                      No loan shall be made during a Plan Year to any
                      Participant who has received another loan under this
                      Article VIII during the same Plan Year; any application
                      for such a loan shall be void.

          (j)         Other Terms and Conditions.

                      The Committee shall fix such other terms and conditions
                      of the loan as it deems necessary to comply with legal
                      requirements, to maintain the qualification of the Plan
                      and Trust under Section 401(a) of the Code, to qualify
                      the loan as exempt from the prohibited transaction rules
                      of the Code or ERISA, or to prevent the treatment of the
                      loan for tax purposes as a distribution to the
                      Participant, which other terms and conditions are
                      incorporated herein by reference.  The Committee, in its
                      sole and absolute discretion, may for any reason fix
                      other terms and conditions of the loan, not inconsistent
                      with the provisions of this Article VIII, which other
                      terms and conditions are incorporated herein by
                      reference.

          (k)         No Prohibited Transactions.

                      No loan shall be made unless such loan is exempt from the
                      tax imposed on prohibited transactions by Section 4975 of
                      the Code (or would be exempt from such tax if the
                      Participant were a disqualified person as defined in
                      Section 4975(e)(2) of the Code) by reason of Section
                      4975(d)(1) of the Code.

(3)       SPECIAL RULES FOR PREDECESSOR PLAN PARTICIPANTS:

          (a)         Notwithstanding anything herein to the contrary, if any
                      loan from a Predecessor Plan to a participant or
                      beneficiary with respect to such Predecessor Plan is
                      outstanding as of December 31, 1998 (or such later date
                      as is established under Section (1)(b)), such loan shall
                      be maintained by this Plan, but may not be extended,
                      refinanced, renegotiated, renewed, or modified in any way
                      after December 31,





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<PAGE>   112
                      1998 (or such later date as is established under Section
                      (1)(b)) except to the extent permitted under the terms of
                      this Article X.  Except as otherwise provided in rules
                      established under Section (1)(b), any such loan shall be
                      maintained pursuant to the provisions of the applicable
                      Predecessor Plan, which are incorporated herein by
                      reference, and by the other documents applicable to such
                      loan, which are also incorporated herein by reference to
                      the extent required by law.

(4)       PREEMPTION OF STATE USURY LAWS:

          In any action to collect payments due under a Plan loan or to
          foreclose on a security interest for a Plan loan, no party may
          interpose state usury laws as a defense to nonpayment or foreclosure.
          All such laws shall be deemed to be preempted by ERISA Section 514 to
          the extent that they purport to relate to the Plan and loans
          hereunder.

(5)       SPECIAL RULE:

          Loans under this Article X shall comply with the Soldiers' and
          Sailors' Civil Relief Act of 1940, to the extent that such Act is
          applicable.





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<PAGE>   113
                                   ARTICLE XI
                                 ADMINISTRATION



(1)       COMMITTEE:

          The Corporation shall appoint a Committee to administer the Plan,
          which Committee shall be the "administrator" and a "named fiduciary"
          of the Plan (as such terms are defined in ERISA).  Each member of the
          Committee shall serve until the appointment of his successor unless
          earlier removed by the Corporation for any or no reason.  In the
          event of a vacancy in the membership of the Committee, the remaining
          members of the Committee may exercise any and all of the powers,
          authority, duties, and discretion of the Committee during such
          vacancy.  A Participant may be a member of the Committee, but no
          member of the Committee shall vote or otherwise participate in any
          decision with respect to a matter that relates only to himself or any
          of his rights or benefits under the Plan.

(2)       PROCEDURES AND ADMINISTRATION:

          The Committee shall meet upon such notice and at such places and
          times as it may from time to time determine.  A majority of the
          Committee shall have the power to act with or without a meeting, and
          the concurrence or dissent of any member may be registered by
          telephone, e-mail, fax, wire, cablegram, letter, or other means
          previously approved by the Committee.  The Committee may appoint a
          chairman and a secretary (who may or may not be a member of the
          Committee).  The Committee shall keep records of all its actions and
          copies of all notices, certifications, and instructions sent to it by
          the Corporation, the Trustee, or any other person.  The Committee
          may, by a written instrument signed by all its members and filed with
          the Trustee, designate one or more of its members as having authority
          to sign all papers and documents on its behalf.  The Trustee may rely
          upon any notice, instruction, or certification by the Committee
          without inquiry into the acts or omissions of the Committee.

(3)       ALLOCATION OF RESPONSIBILITIES:

          The Board, the Corporation, the Employing Companies, the Committee,
          the Trustees, and any Investment Manager possess specified powers,
          duties, responsibilities, and obligations under the Plan and the
          Trust Agreement.  Except to the extent inconsistent with applicable
          law, it is intended under the Plan and the Trust Agreement that each
          entity shall be responsible solely for the proper exercise of its own
          functions and shall not be responsible for any act or failure to act
          of another.  To the maximum extent permitted by law, all entities
          described in





                                      102
<PAGE>   114
          the second preceding sentence, other than the Trustee and any
          Investment Manager, shall, with respect to their acts and omissions
          under the Plan and the Trust Agreement, be deemed to be acting in
          their "settlor" capacity, as opposed to their fiduciary capacity.

(4)       ADMINISTRATIVE POWERS AND DUTIES:

          The Committee shall have the power to take all actions that it
          determines, in its sole and absolute discretion, are necessary or
          appropriate to carry out the provisions of the Plan, including, but
          not limited to, the following powers and duties:

          (a)         To construe and interpret the provisions of the Plan and
                      to make rules and regulations under the Plan to the
                      extent deemed advisable by the Committee;

          (b)         To determine and decide all questions as to eligibility
                      for participation and benefits under the Plan and as to
                      the rights of Participants and Beneficiaries under the
                      Plan, and to render and review decisions respecting
                      claims for (or denials of claims for) benefits under the
                      Plan;

          (c)         To file or cause to be filed all such annual reports,
                      returns, schedules, descriptions, financial statements,
                      and other statements as may be required by any federal or
                      state statute, agency, or authority within the time
                      prescribed by law or regulation for filing such
                      documents;

          (d)         To furnish or make available for examination such
                      instruments, reports, notices, statements, descriptions,
                      and other documents to Employees, Participants,
                      Beneficiaries, and other individuals as may be required
                      by any federal or state statute or regulation in such
                      places, in such manner, and within the time prescribed
                      for furnishing or making available such documents and to
                      furnish the Employer with information required for tax or
                      other purposes;

          (e)         To determine such facts, and to obtain from any person
                      such information, as shall be necessary for the proper
                      administration of the Plan;

          (f)         To determine the amount, manner, and time of payment of
                      benefits under the Plan;





                                      103
<PAGE>   115
          (g)         To appoint and retain agents, counsel, and accountants,
                      who may also serve the Company in similar capacities, for
                      the purpose of properly administering the Plan, and, when
                      required to do so by law or otherwise, to engage an
                      independent qualified public accountant to prepare an
                      audited financial statement of the Plan's operations;

          (h)         To communicate to the Trustee all information, and to
                      execute and deliver to the Trustee such forms and
                      documents, as may be required to carry out the provisions
                      of the Plan;

          (i)         To direct the Trustee with respect to the crediting and
                      debiting of amounts under Article VIII and to direct the
                      Trustee to distribute assets or funds of the Plan to
                      Participants and Beneficiaries in accordance with the
                      provisions of the Plan;

          (j)         To construe any uncertain terms and to correct any
                      defect, supply any omission, or reconcile any
                      inconsistency that may appear in the Plan in such manner
                      and to such extent as the Committee shall deem necessary
                      or appropriate to accomplish the purposes of the Plan;

          (k)         To determine from time to time an investment policy of
                      the Plan, consistent with the objectives of the Plan and
                      the requirements of ERISA, to the extent any assets of
                      the Plan are invested other than under the direction of
                      Participants;

          (l)         To authorize in writing the investment by the Trustee of
                      the Trust assets in accordance with the provisions of the
                      Trust Agreement and this Plan (including, to the extent
                      applicable, the investment policy described in subsection
                      (k));

          (m)         To authorize the Trustee to appoint and to remove an
                      ancillary trustee with respect to specified investments
                      of the Trust which may have a situs in a jurisdiction in
                      which the Trustee is not qualified to act, when necessary
                      or appropriate under applicable local law;

          (n)         To appoint (or remove) an Investment Manager or Managers,
                      each of whom will have full power and authority to
                      manage, acquire, or dispose (or to direct the Trustee
                      with respect to management, acquisition, or disposition)
                      of any Trust assets under its control;

          (o)         To authorize in writing all disbursements by the Trustee
                      from the Trust;





                                      104
<PAGE>   116
          (p)         To do such other acts as are necessary or appropriate to
                      administer the Plan in accordance with its provisions or
                      as may be provided for or required by law.

          The Committee shall have sole and absolute discretion in the exercise
          of all of its powers and duties under this Section (3).

(5)       DELEGATION OF RESPONSIBILITIES:

          The Committee may create any subcommittee and grant to such
          subcommittee any powers and responsibilities of the Committee under
          this Plan.  In addition, the Committee shall have the power to
          delegate specified responsibilities under the Plan to employees of
          the Employer or to other individuals or entities who shall serve at
          the pleasure of the Committee.  Any such person may resign by
          delivering written notice to the Committee or be removed from his
          designated responsibilities by written notice from the Committee.
          Vacancies created by resignation, death, removal, or other causes may
          be filled by the Committee or the assigned responsibilities may be
          reabsorbed or redelegated by the Committee.

(6)       COMPENSATION:

          Except as otherwise provided in ERISA Section 412, no bond or other
          security shall be required of any member of the Committee.  The
          members of the Committee shall serve without compensation for their
          services as such, except that the properly incurred expenses of any
          member of the Committee not otherwise reimbursed shall be reimbursed
          pursuant to Article XIV(12).

(7)       PROVISION OF INFORMATION BY EMPLOYER:

          The Employer shall timely provide to the Committee all information
          that the Committee deems necessary for the administration of the
          Plan, including (but not limited to) information regarding the name,
          date of birth, date of employment, compensation, leaves of absence,
          term of service, and date of termination of employment of each
          Employee who is or may be eligible to become a Participant under the
          Plan.

(8)       DOCUMENTS:

          The Committee may require that any Participant or Beneficiary execute
          and deliver any document or receipt that the Committee determines
          necessary or appropriate to ensure proper payment of any benefit
          under the Plan.





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(9)       SERVICE OF PROCESS:

          The Committee is designated as the agent for the service of legal
          process on the Plan.

(10)      SCOPE OF AUTHORITY:

          It is intended that in exercising the powers granted in this Article
          XI (including without limitation all powers and duties described in
          Section (3)) and in all other parts of this Plan, the Committee shall
          have the broadest discretion permitted by law.  It is further
          intended that, to the maximum extent permitted by law, any records,
          decisions, determinations, or other acts made pursuant to such powers
          by the Committee shall be final and binding on all persons.  In the
          event that any record, decision, determination, or other act referred
          to in the prior sentence is the subject of judicial review, it is
          intended that the Court shall give deference to such record,
          decision, determination, or other act to the maximum extent permitted
          by law.

(11)      INDEMNIFICATION:

          To the extent permitted by law, and subject to any agreement between
          an Employing Company and an individual described in this Section
          (10), the Employing Companies (a) shall jointly and severally
          indemnify and hold harmless any employee of the Employer, any member
          of the Committee, and any member of the board of directors of any
          entity within the Employer, against any and all claims, losses,
          damages, expenses, and liabilities (including reasonable expenses
          incurred in defending against same) arising from any act or failure
          to act that constitutes or is alleged to constitute a prohibited
          transaction or a breach of such person's responsibilities in
          connection with the Plan or Trust under ERISA or any other law,
          unless the same is determined to be due to gross negligence, willful
          misconduct, or willful failure to act.  An Employing Company shall
          have the right to control any controversy where the Employing Company
          may be required to indemnify any individual under this Section.  It
          is contemplated that one or more Employing Companies may, if they so
          desire, purchase insurance to cover their potential liability
          hereunder.





                                      106
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                                  ARTICLE XII
               AMENDMENT, TERMINATION, MERGER, AND CONSOLIDATION


(1)       AMENDMENT OF PLAN:

          (a)         The Corporation may at any time amend any or all
                      provisions of this Plan in any respect (including
                      retroactively) to the maximum extent permitted by law.
                      Such an amendment may be made at any time by written
                      instrument identified as an amendment of the Plan
                      effective as of a specified date (or dates) and such
                      amendment shall be binding on all Employing Companies,
                      Participants, Beneficiaries, and other individuals and
                      entities.

          (b)         Notwithstanding anything to the contrary in Section
                      (1)(a), the vesting provisions of the Plan shall not be
                      amended so as to result in the vested percentage of the
                      Account balance of any Participant, determined as of the
                      later of the adoption date or effective date of such
                      amendment, being less than his vested percentage computed
                      under the Plan without regard to such amendment.  If an
                      amendment to the Plan changes or adds any vesting
                      schedule hereunder, each Participant having at least
                      three years of Service will be permitted to elect, within
                      a reasonable period after the adoption of such amendment,
                      to have his vested percentage computed under the Plan
                      without regard to such amendment, unless such
                      Participant's vested percentage under the Plan, as
                      amended, cannot at any time be less than such percentage
                      computed without regard to such amendment.  The
                      Committee, as soon as practicable after the adoption of
                      an amendment described in the preceding sentence, shall
                      provide a true copy of such amendment to each Participant
                      entitled to make an election, together with an
                      explanation of the effect of the amendment, the
                      appropriate form upon which the Participant may make an
                      election to remain under the vesting schedule provided
                      under the Plan prior to the amendment, and notice of the
                      time within which the Participant must make an election
                      to remain under the prior vesting schedule.  The
                      Participant must file his election with the Committee
                      within 60 days of the latest of the adoption of the
                      amendment, the effective date of the amendment, and his
                      receipt of a copy of the amendment.  For purposes of this
                      Section (1)(b), an amendment to the vesting schedule
                      includes any Plan amendment that directly or indirectly
                      affects the computation of the portion of a Participant's
                      Account attributable to Matching Contributions and
                      Nonelective Contributions in which he has a vested
                      interest.





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(2)       TERMINATION OF PLAN:

          (a)         The Corporation expects to continue the Plan
                      indefinitely.  However, the Corporation shall, to the
                      maximum extent permitted by law, have the right at any
                      time to terminate the Plan (including retroactively) in
                      whole or in part by suspending or discontinuing
                      contributions hereunder in whole or in part, or to
                      otherwise terminate the Plan (including retroactively).
                      In accordance with any amendment to the Plan that may be
                      adopted in connection with any such termination, the
                      Corporation may after such termination continue the Plan
                      and Trust in effect for the purpose of making
                      distributions under the Plan as they become payable, or
                      may authorize the distribution of all or any part of the
                      assets of the Trust Fund as to which the Plan has been
                      terminated.  In the event of termination, the Committee
                      shall continue to administer the Plan and the Trustee
                      shall continue to administer the Trust as herein provided
                      for application and disbursement in accordance with the
                      Plan.

          (b)         Upon the termination or partial termination of the Plan
                      or upon the complete discontinuance of contributions (all
                      within the meaning of Section 411(d)(3) of the Code),
                      each affected Participant shall have a vested interest in
                      his Account as of the effective date of the termination
                      or discontinuance; provided, however, that a
                      Participant's recourse for satisfaction of such rights
                      shall be limited to the assets of the Plan.  To the
                      extent permitted by the Code and ERISA, any amount held
                      in a suspense account pursuant to Treasury Regulation
                      Section 1.415-6(b)(6) (or any applicable successor
                      provision) shall revert to the Employer upon termination
                      of the Plan.

(3)       MERGER, CONSOLIDATION, OR TRANSFER:

          In the case of any merger or consolidation of the Plan with, or in
          the case of any transfer of assets or liabilities of the Plan to, any
          other plan, each Participant and Beneficiary in the Plan must be
          entitled to receive a benefit immediately after the merger,
          consolidation, or transfer, that satisfies the requirements of Code
          Section 414(l).  In the case of a merger of the Plan with one or more
          other defined contribution plans, the first sentence of this Section
          (3) shall be treated as satisfied if the following safe harbor
          requirements are met:

          (a)         The sum of the account balances in each plan equals the
                      fair market value (determined as of the date of the
                      merger) of the entire plan assets;





                                      108
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          (b)         The assets of each plan are combined to form the assets
                      of the plan as merged; and

          (c)         Immediately after the merger, each participant in the
                      plan as merged has an account balance equal to the sum of
                      the account balances the participant had in the plans
                      immediately prior to the merger.

          In the case of a transfer of assets or liabilities of the Plan to any
          other plan, such transfer shall be treated as a spinoff of a plan
          with the transferred assets and/or liabilities and a merger of such
          spunoff plan with the transferee plan.  In the case of such a
          spinoff, the first sentence of this Section (3) shall be treated as
          satisfied if after the spinoff the following safe harbor requirements
          are met:

          (d)         The sum of the account balances for each of the
                      participants in the resulting plans equals the account
                      balance of the participant in the plan before the
                      spinoff; and

          (e)         The assets in each of the plans immediately after the
                      spinoff equals the sum of the account balances for all
                      participants in that plan.

          For purposes of subsections (a) and (e) above, the reference to
          "account balances" shall include all separately maintained accounts
          (whether called an account or not) in any plan referred to; for
          example, with respect to the Plan, such term shall include, but shall
          not be limited to, Accounts, the Loan Suspense Account, any suspense
          account maintained under Article III(14)(e), any unallocated account
          in which forfeitures may be held temporarily pending timely
          allocation, and any segregated amount or other account maintained
          pursuant to a qualified domestic relations order (within the meaning
          of Code Section 414(p)) or pursuant to Article IX(6).

          No merger, consolidation, or transfer shall take place if such
          merger, consolidation, or transfer would cause this Plan to cease to
          be a qualified plan.

(4)       REPRESENTATIONS CONTRARY TO PLAN:

          Except as otherwise provided in this Plan, no person or entity,
          including any employee, officer, or director of the Employer, has
          authority to alter, vary, or modify the terms of the Plan, except in
          writing through the Plan's formal amendment procedures set forth in
          this Article X.  No representation contrary to the terms of the Plan
          and the formal amendments thereto shall be binding on the Plan, the
          Trust, the Trustee, the Committee, the Employer, or any other person
          or entity.





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                                  ARTICLE XIII
                      CLAIMS PROCEDURE AND DISPUTED CLAIMS


(1)       CLAIMS FOR BENEFITS:

          (a)         It shall not be necessary for a Participant or
                      Beneficiary entitled to receive a benefit hereunder to
                      file a claim for such benefit with any person in order to
                      receive such benefit. However, any Participant or
                      Beneficiary who believes that he is entitled to receive a
                      benefit hereunder and has not received or begun receiving
                      a distribution of such benefit or who believes that he is
                      entitled to a benefit hereunder in excess of the benefit
                      which he has received or begun receiving, may file a
                      written claim for such benefit or increased benefit with
                      the Committee at any time up to the last day of the
                      12-month period that begins on the earlier of (i) the
                      date on which the claimant learned of facts sufficient to
                      enable the claimant to formulate such claim, or (ii) the
                      date on which the claimant reasonably should have been
                      expected to learn of facts sufficient to enable the
                      claimant to formulate such claim. Such written claim
                      shall set forth the Participant's or Beneficiary's name
                      and address and shall include a statement of the facts
                      and a reference to the pertinent provisions of the Plan
                      upon which such claim is based.  A claimant who does not
                      timely and properly file his claim as herein required
                      shall to the extent permitted by law be conclusively
                      deemed to have waived any right to the benefit or
                      increased benefit not provided.

          (b)         Within 90 days after such claim is filed, the Committee
                      shall provide the claimant with written notice of its
                      decision with respect to such claim.  If such claim is
                      denied in whole or in part, the Committee shall, in such
                      written notice to the claimant, set forth in a manner
                      calculated to be understood by the claimant the specific
                      reason or reasons for denial; specific references to
                      pertinent provisions of the Plan upon which the denial is
                      based; a description of any additional material or
                      information necessary for the claimant to perfect his
                      claim and an explanation as to why such material or
                      information is necessary; an explanation of the
                      provisions for review of claim denials set forth in this
                      Article XIII; and a statement that if the claimant fails
                      to seek review of the claim denial under this Article
                      XIII within the 60-day period described in Section (2),
                      he shall, to the extent permitted by law, be conclusively
                      deemed to have waived any right to contest in any forum
                      the determination of the Committee.  If special
                      circumstances require additional time, the Committee may
                      extend the period allowed for notice of its decision





                                      110
<PAGE>   122
                      by a period not to exceed 90 days.  Written notice of
                      such extension, stating the circumstances requiring the
                      extension and the date by which a final decision is
                      expected, shall be provided to the claimant before the
                      expiration of the initial 90-day period.  With respect to
                      any claim under this Section (1), in the event that the
                      Committee fails to provide the written notice described
                      in this Section (1)(b) within the time period described
                      herein, the claimant's claim shall be deemed to be denied
                      by the Committee.

(2)       REVIEW OF CLAIM DENIALS:

                      A Participant or Beneficiary whose claim for benefits has
                      been denied may appeal such denial to the Committee and
                      receive a full and fair review of his claim by filing
                      with the Committee a written application for review at
                      any time within 60 days after the Committee gives him the
                      written notice of denial of his claim provided for in
                      Section (1) or, if no such notice has been given to the
                      Participant, within 60 days after the end of the 90-day
                      (or extended) period described in Section (1)(b). A
                      Participant or Beneficiary who submits a timely written
                      application for review shall be entitled to review any
                      and all documents pertinent to his claim and may submit
                      issues and comments to the Committee in writing.  In the
                      sole and absolute discretion of the Committee, a hearing
                      may be held.  Not later than 60 days after receipt of a
                      written application for review, the Committee shall give
                      the claimant written notice of its decision on review,
                      which shall set forth in a manner calculated to be
                      understood by the claimant specific reasons for its
                      decision and specific references to the pertinent
                      provisions of the Plan upon which the decision is based.
                      If special circumstances, including (but not limited to)
                      the need for a hearing as determined by the Committee,
                      shall require additional time for making a decision on
                      review, the period for decision may be extended by not
                      more than 60 days.  Written notice of such extension,
                      stating the circumstances requiring the extension and the
                      date by which a final decision is expected, shall be
                      provided to the claimant before the expiration of the
                      initial 60-day period.  With respect to any appeal under
                      this Section (2), in the event that the Committee fails
                      to provide the written notice described in this Section
                      (2) within the time period described herein, the appeal
                      shall be deemed to be denied.  The decision of the
                      Committee, shall, to the maximum extent permitted by law,
                      be final and binding on all parties.  A claimant who
                      shall not timely file his written application for review
                      as required shall, to the maximum extent permitted by
                      law, be





                                      111
<PAGE>   123
                      conclusively deemed to have waived any right to
                      contest in any forum the initial determination of the
                      Committee.

(3)      MISCELLANEOUS:

         Any act permitted or required to be taken by a Participant or
         Beneficiary by this Article XIII may be taken for and on behalf of
         such Participant or Beneficiary by such Participant's or Beneficiary's
         duly authorized representative.  Any fees or expenses charged or
         incurred by such representative shall be the liability of the
         Participant or Beneficiary, and not the liability of the Employer, the
         Plan, the Trust, the Committee, or any other person.  Any claim,
         notice, application, or other writing permitted or required to be
         filed with, provided, or given to a party by this Article XIII shall
         be deemed to have been filed, provided, or given when deposited in the
         United States mail, postage prepaid, and properly addressed to the
         party to whom it is to be provided or given or with whom it is to be
         filed.  Any such notice, application, or other writing directed to a
         Participant or Beneficiary shall be deemed properly addressed if
         directed to the address set forth in the written claim filed by such
         Participant or Beneficiary.

(4)      EXHAUSTION OF ADMINISTRATIVE REMEDIES:

         No legal action to recover Plan benefits or to enforce or to clarify
         rights under the Plan shall be commenced under Section 502(a)(1)(B) of
         ERISA, or under any other provisions of law, whether or not statutory,
         unless and until the claimant first shall have exhausted the claims
         and appeal procedures available to the claimant hereunder in Sections
         (1), (2), and (3).  A claimant must raise all issues and present all
         theories relating to his claim to the Committee at one time.
         Otherwise, the claimant shall be deemed to have abandoned forever all
         issues and theories not raised and presented to the Committee.

(5)      LIMITATION ON ACTIONS:

         Any suit brought to contest a decision of the Committee shall be filed
         in a court of competent jurisdiction within one (1) year from receipt
         of written notice of the Committee's final decision or from the date
         the appeal is deemed denied, and any suit not filed within this
         one-year limitation period shall be dismissed by the court.

(6)      FEDERAL PREEMPTION:

         All state law causes of action that arise out of or relate to the Plan
         or to entitlement to rights or benefits under the Plan shall be deemed
         to have been preempted by Section 514 of ERISA.





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(7)      NO RIGHT TO JURY TRIAL; EVIDENCE:

         In any suit contesting a decision of the Committee, all issues of fact
         shall be tried by the court and not by a jury.  No evidence may be
         introduced in court which was not previously presented to the
         Committee and no evidence may be introduced to modify or contradict
         the terms of the Plan document.

(8)      SCOPE OF REVIEW:

         The Committee shall have full discretionary authority to interpret and
         apply the terms of the Plan document and other relevant documents and
         relevant provisions of law.  Consistent with the provisions of Article
         XI(10), this grant of authority shall be construed to be as broad as
         permitted by law and shall include the authority to find facts, to
         reach conclusions of law, to interpret and apply ambiguous terms, and
         to supply missing terms reasonably necessary to resolution of claims
         and appeals.

         No finding of fact by the Committee shall be set aside by a court
         unless the party contesting the finding shall prove by clear and
         convincing evidence that the finding is arbitrary and capricious.  No
         conclusion of law reached by the Committee shall be reversed by a
         court unless the party contesting the conclusion shall demonstrate
         that the Committee is guilty of manifest disregard of law.

(9)      LIMITATION ON DAMAGES:

         In any suit over Plan benefits or rights, recovery shall be limited to
         the amount of benefits found due, without interest, or to specific
         enforcement of rights established under the Plan, and shall not
         include any other damages whether denominated incidental, special,
         consequential, collateral, compensatory, exemplary, punitive or
         whatever.

(10)     PARTICIPANT PLAN DATA:

         The Committee may issue, or cause to be issued, from time to time,
         statements to Employees, Participants, and Beneficiaries, indicating
         eligibility, Service, or other data regarding their Plan benefits.  If
         any such individual wishes to challenge the accuracy of such data or
         of any other information issued in response to a request within the
         terms of Section 105(a) or 209(a)(1) of ERISA, the individual shall do
         so in the manner and within the time limits set forth above in this
         Article XIII.





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(11)     ADVISORS NOT FIDUCIARIES:

         The Committee and other Plan fiduciaries may solicit the advice of
         attorneys, actuaries, accountants, consultants, and other
         professionals and may rely upon their advice in the performance of
         duties under the Plan.  No such advisor shall be considered a
         fiduciary by virtue of having advised a fiduciary but shall be a
         fiduciary only to the extent he expressly accepts that role.





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                                  ARTICLE XIV
                                 MISCELLANEOUS


(1)       TOP-HEAVY PROVISIONS:

          The following provisions shall become effective in any Plan Year
          subsequent to the 1983 Plan Year in which this Plan is a Top-Heavy
          Plan.

          (a)         Top-Heavy Plan Status.

                      This Plan will be a Top-Heavy Plan for a given Plan Year
                      if as of the last day of the preceding Plan Year either
                      of the following situations occur:

                      (i)           The ratio of the Accrued Benefits of
                                    Participants in this Plan who are Key
                                    Employees to the Accrued Benefits for all
                                    Participants in this Plan exceeds
                                    six-tenths (.6), or

                      (ii)          This Plan is part of a Required Aggregation
                                    Group, and the ratio of the Accrued
                                    Benefits of Participants in any of the
                                    aggregated plans who are Key Employees to
                                    the Accrued Benefits of all Participants in
                                    the aggregated plans exceeds six-tenths
                                    (.6).

                      Notwithstanding anything in this subsection (a) to the
                      contrary, this Plan shall not be a Top-Heavy Plan in any
                      Plan Year in which this Plan is part of a Required or
                      Permissive Aggregation Group which is not Top-Heavy.
                      Neither shall this Plan be a Top-Heavy Plan if it is part
                      of a Permissive Aggregation Group which is Top-Heavy but
                      this Plan is not required to be part of a Required
                      Aggregation Group.

          (b)         Definitions.

                      "Key Employee" means a key employee as defined in Section
                      416(i) of the Code.

                      "Accrued Benefit" means the account balance of the
                      Participant in this Plan or any other defined
                      contribution plan of the Employer and in the case of a
                      defined benefit plan of the Employer, the Accrued Benefit
                      as defined under such plan, including any distribution
                      from the plan within the five-year period ending on the
                      last day of the preceding Plan Year.  If any individual
                      has not received any Compensation from the Employer
                      (other than benefits under the Plan) at any time during
                      the





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                      five-year period ending on the last day of the preceding
                      Plan Year, any Accrued Benefit for such individual shall
                      not be taken into account.

                      "Required Aggregation Group" means all of the qualified
                      plans of the Employer in which a Key Employee is a
                      Participant, or which are necessary for such a plan to
                      satisfy the requirements of Sections 401(a)(4) or 410 of
                      the Code.

                      "Permissive Aggregation Group" means all of the plans of
                      the Employer which are included in the Required
                      Aggregation Group plus any plans of the Employer which
                      are not included in the Required Aggregation Group, but
                      which satisfy the requirements of Sections 401(a)(4) and
                      410 of the Code when considered together with the
                      Required Aggregation Group.

          (c)         Minimum Benefit.

                      The yearly minimum contribution to this Plan for an
                      employee with respect to Plan Years during which this
                      Plan is Top-Heavy, shall be equal to the lesser of (i) 3%
                      of the Participant's compensation (as determined under
                      Code Section 416(i)) for such Plan Year; or (ii) the
                      highest percentage of compensation (as determined under
                      Code Section 416(i)) allocated on behalf of a Key
                      Employee to this Plan in the form of Before-Tax
                      Contributions, QNECs, Matching Contributions, or other
                      Employer contributions.  The minimum contribution shall
                      be made regardless of whether the Employee was a
                      Participant in the Plan during such Top-Heavy Plan Years
                      provided that he was eligible to participate.  However,
                      if any employee eligible to participate in this Plan
                      receives the minimum benefit required under Section 416
                      of the Code under any defined benefit plan maintained by
                      the Employer, this subsection (c) shall not be applicable
                      with respect to such employee.

                      If the Money Purchase Pension Component is granted a
                      minimum funding standard waiver under Code Section 412(d)
                      for a Plan Year, the minimum amount required to be
                      allocated under the Money Purchase Pension Component to
                      each Participant (without regard to the waiver) shall be
                      credited to the portion of the Participant's Account
                      under the Money Purchase Pension Component.  The Account
                      balance shall be adjusted to reflect the credit in
                      accordance with Revenue Ruling 78-223.





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<PAGE>   128
          (d)         Excessively Top-Heavy Plan.

                      In the event the ratio described in subsection (a) of
                      this Article XIV(1) exceeds nine-tenths (.9), then the
                      definitions of the Defined Benefit Plan Fraction and the
                      Defined Contribution Plan Fraction shall be modified in
                      accordance with Code Section 416(h).  For any Limitation
                      Year in which the Plan is a Top-Heavy Plan, but not a
                      plan to which this subsection (d) applies, the percentage
                      described in the minimum contribution provision of
                      subsection (c) shall be 4% in lieu of 3% indicated
                      therein.

(2)       PROHIBITION AGAINST ALIENATION:

          Except as otherwise provided in this Plan, no Participant or
          Beneficiary shall have any right to withdraw, assign (either at law
          or in equity), pledge, transfer, appropriate, encumber, commute,
          alienate, or anticipate his interest in the Plan and Trust, or any
          payments to be made hereunder, and no benefits, payments, rights, or
          interest of such a person under the Plan shall be in any way subject
          to any legal or equitable process to levy or execute upon, charge,
          garnish, or attach the same for payment of any claim against such
          person, nor shall any such person have any right of any kind
          whatsoever with respect to the Plan and Trust, or any estate or
          interest therein, or with respect to any other property or rights,
          other than the right to receive such distributions as are made out of
          the Trust, as and when the same are or shall become due and payable
          under the terms of the Plan.  Any attempt to transfer, pledge, or
          levy upon or otherwise alienate an interest of a Participant or
          Beneficiary shall be invalid except as otherwise provided in this
          Plan.

(3)       RELATIONSHIP BETWEEN EMPLOYING COMPANIES AND EMPLOYEES:

          The adoption and maintenance of the Plan shall not be deemed to
          constitute or modify a contract between any Employer and any Employee
          or Participant or to be a consideration or inducement for or
          condition of the performance of services by any person.  Nothing
          herein contained shall be deemed to give to any Employee or
          Participant the right to continue in the service of any Employer, to
          interfere with the right of an Employer to discharge any Employee or
          Participant at any time, or to give an Employer the right to require
          an Employee or Participant to remain in its service or to interfere
          with his right to terminate his service at any time.





                                      117
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(4)       PARTICIPANTS' BENEFITS LIMITED TO ASSETS:

          Each Participant by his participation in the Plan and Trust, shall be
          conclusively deemed to have agreed to look solely to the Trust Fund,
          and not to any other person, entity, or assets for the payment of any
          benefit to which he may be entitled by reason of his participation,
          and to have consented to all of the terms and conditions of the Plan,
          as the same may be amended from time to time, and shall be bound
          thereby with the same force and effect as if he were a party to this
          Plan.

(5)       TITLES AND HEADINGS:

          The titles and headings of the articles and sections in this Plan are
          placed herein for convenience of reference only, and in case of any
          conflicts, the text of this Plan, rather than the titles or headings,
          shall control.

(6)       GENDER AND NUMBER:

          The masculine pronoun, wherever used herein, shall include the
          feminine pronoun, and the singular shall include the plural, except
          where the context requires otherwise.

(7)       APPLICABLE LAW:

          The provisions of this Plan shall be construed according to the laws
          of the State of Iowa, except to the extent that they are preempted by
          ERISA or by other federal law.  The Plan is intended to comply with
          ERISA and the Code.

(8)       INABILITY TO LOCATE PAYEE:

          Anything to the contrary herein notwithstanding, if the Committee is
          unable, after a reasonable effort, to locate any Participant or
          Beneficiary to whom an amount is distributable hereunder, such amount
          shall be forfeited.  Notwithstanding the foregoing, however, such
          amount shall be reinstated, by means of an additional contribution by
          the applicable Employing Company or Companies if and when a valid
          claim for the forfeited amount is subsequently made by such
          Participant or Beneficiary or if the Committee receives proof of
          death of such person, satisfactory to the Committee; in such case,
          payment of the reinstated amount shall be made in accordance with the
          provisions of this Plan.  No such additional contribution shall
          reduce the contributions otherwise required under this Plan.  Any
          benefits lost by reason of applicable state law relating to escheat
          or abandoned property shall be considered forfeited but shall not be
          subject to reinstatement.





                                      118
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(9)       INCOMPETENCE OF PAYEE:

          In the event any benefit is payable to a minor or incompetent, to a
          person otherwise under legal disability, or to a person who, in the
          sole judgment of the Committee is by reason of advanced age, illness,
          or other physical or mental incapacity incapable of handling the
          disposition of his property, the Committee may direct the Trustee to
          apply the whole, or any part of such benefit, directly to the care,
          comfort, maintenance, support, education, or use of such person, or
          pay or distribute the whole or any part of such benefit to (a) the
          parent of such person, (b) the guardian, committee, or other legal
          representative, wherever appointed, of such person, (c) the person
          with whom such person resides, (d) any person having the care and
          control of such person, or (e) such person personally.  The receipt
          by the person to whom any such payment or distribution is so made
          shall constitute a full and complete discharge of the rights of
          affected Participants, former Participants, and Beneficiaries under
          the Plan.

(10)      DEALING WITH THE TRUSTEE:

          No person dealing with the Trustee shall be obliged to see to the
          application of any property paid or delivered to the Trustee or to
          inquire into the expediency or propriety of any transaction or the
          Trustee's authority to consummate the same, except as may
          specifically be required of such person under ERISA.

(11)      RETURN OF CONTRIBUTIONS:

          (a)         All contributions to the Plan are expressly conditioned
                      on the initial qualification of the Plan under Section
                      401 of the Code, and if such qualification shall be
                      denied, the Employing Companies shall be entitled to
                      receive a return of contributions made after the
                      effective date of such denial, net of any losses
                      attributable thereto and together with any earnings
                      thereon, as soon as practicable but in any event within
                      one year after the denial of qualification of the Plan.

          (b)         The Employing Companies' contributions to the Plan are
                      conditioned upon the deductibility of such contributions
                      under Section 404 of the Code for the taxable year for
                      which made, and the Employing Companies shall be entitled
                      to receive a return of any contribution, net of any
                      losses attributable thereto, to the extent deduction of
                      such contribution is disallowed, within one year after
                      such disallowance.

          (c)         If a contribution is made to the Plan by an Employing
                      Company by a mistake of fact, the Employing Company shall
                      be entitled to receive a return of such contribution, net
                      of any losses attributable thereto, within one year after
                      the making of such contribution.





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(12)      EXPENSES:

          All reasonable expenses of administering and operating the Plan and
          Trust (including Trustee fees and expenses) shall be paid from the
          assets of the Trust Fund except to the extent paid by the Employing
          Companies, provided that the Employing Companies shall be reimbursed
          from the Trust Fund for any such expenses that are paid by the
          Employing Companies under an arrangement pursuant to which the Trust
          Fund shall reimburse the Employing Companies.  Expenses that are paid
          from the assets of the Trust Fund shall be, to the extent necessary,
          charged to Participants' Accounts in a manner determined by the
          Committee in its sole and absolute discretion, provided that such
          manner shall comply with applicable law.

(13)      SEPARABILITY:

          If any provision of this Plan is found, held, or deemed to be void,
          unlawful, or unenforceable under any applicable statute or other
          controlling law, the remainder of this Plan shall continue in full
          force and effect.

(14)      PARTICIPANTS' PROTECTED RIGHTS:

          In addition to all rights expressly provided under this document, a
          Participant or Beneficiary shall have such rights as are required to
          be provided to such person by reason of Code Section 411(d)(6).  Any
          Plan provision in conflict with the preceding sentence shall be void
          to the extent of such conflict.

(15)      CODE SECTION 414(u):

          (a)         Notwithstanding any provision of this Plan to the
                      contrary, contributions, benefits, and service credit
                      with respect to qualified military service will be
                      provided in accordance with Code Section 414 (u).

          (b)         Loan repayments will be suspended under this Plan as
                      permitted under Code Section 414(u)(4).

(16)      OFFSETS:

          The Plan shall apply any offset described in Code Section
          401(a)(13)(C) in the manner described therein.





                                      120
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(17)      COMMITTEE AUTHORITY:

          The Committee shall comply with all requirements of applicable law
          with respect to Distributions and is authorized to do so in any
          manner determined by the Committee in its sole and absolute
          discretion.  Thus, for example, the Committee is authorized to act in
          any manner that complies with Treasury Regulation Section
          1.411(a)-11(c)(2) (or any applicable successor provision) and, as
          provided in Section (8)(i), is authorized to act in any manner that
          complies with Code Section 417(a)(3)(A) (taking into account Code
          Section 417(a)(7)) (to the extent applicable under the law).

(18)      ACTIONS BY CORPORATION:

          (a)         All powers, authority, and duties that are provided to
                      the Corporation under this Plan may be exercised on
                      behalf of the Corporation by any officer of the
                      Corporation or by the Committee.

          (b)         Any exercise of a power, authority, or duty under this
                      Plan by an officer of the Corporation or by the Committee
                      on behalf of the Corporation shall be treated as an
                      exercise of such power, authority, or duty by the
                      Corporation without regard to whether such exercise was
                      authorized or approved by the Board of Directors,
                      provided that (i) this subsection (b) shall not apply to
                      the extent inconsistent with applicable law, (ii) an
                      amendment of the Plan that increases the rate of benefit
                      accrual under the Plan or increases the cost of the Plan
                      to the Employing Companies must be authorized or approved
                      by the Board of Directors unless the Board of Directors
                      delegates this authority in writing to the Committee, or
                      unless the Plan amendment is required by the Code, ERISA,
                      or other applicable law, and (iii) the termination of the
                      Plan and the appointment and removal of members of the
                      Committee must be authorized or approved by the Board of
                      Directors.

          (c)         Except to the extent inconsistent with applicable law,
                      any exercise of a power, authority, or duty by the
                      Committee pursuant to this Section (18) shall be treated
                      as an action taken on behalf of the Corporation in its
                      "settlor" capacity and shall not be treated as taken in
                      the Committee's capacity as the "administrator" or a
                      "named fiduciary" of the Plan (as such terms are defined
                      in ERISA).

(19)      TREATMENT OF THE PLAN AND THE MONEY PURCHASE PENSION PLAN:

          Notwithstanding any provision in this document to the contrary, the
          provisions of this Section (19) shall apply.





                                      121
<PAGE>   133
          (a)         Prior to the January 1, 1999 merger of the Money Purchase
                      Pension Plan into the Plan:

                      (i)           No assets of the Money Purchase Pension
                                    Plan shall be available to provide benefits
                                    under the Plan;

                      (ii)          No assets of the Plan shall be available to
                                    provide benefits under the Money Purchase
                                    Pension Plan;

                      (iii)         The Money Purchase Pension Plan and the
                                    Plan shall each constitute a "single plan"
                                    within the meaning of Treasury Regulation
                                    Section 1.414(1)-1(b)(1) (or any applicable
                                    successor provision).

          (b)         To the extent not inconsistent with the provisions of
                      Article XIV(19)(a) and applicable law, assets of the Plan
                      and assets of the Money Purchase Pension Plan may be held
                      in the same trust.

(20)      APPENDICES:

          The Appendices to this Plan shall for all purposes be treated as a
          part of this Plan.  All provisions of this Plan shall apply with
          respect to the Appendices except for provisions that (a) are not
          required by law, (b) are inconsistent with the Appendices, and (c)
          are not, in context, intended to override the Appendices.

(21)      MULTIPLE EMPLOYER PLAN:

          To the extent that more than one Employer (within the meaning of the
          second sentence of Article I(41)) has adopted this Plan (and has not
          terminated such adoption), this Plan shall be treated as a plan
          described in Code Section 413(c).  Notwithstanding the foregoing,
          this Plan document shall be construed, and the Plan shall be
          operated, as if all Employers (including Employers that may be
          separate under the second sentence of Article I(41)) were a single
          Employer, except to the extent that the law requires otherwise or to
          the extent that the context clearly requires otherwise.





                                      122
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                                   ARTICLE XV
                       ADOPTION AND WITHDRAWAL FROM PLAN

(1)      PROCEDURE FOR ADOPTION:

         Subject to Section (3), any entity described in Article I(42)(b), (c),
         or (d) may adopt the Plan for the benefit of its Employees as of a
         date specified, provided that no such adoption shall be effective
         until such adoption has been approved by the Committee.  Any entity
         that adopts the Plan in accordance with this Article XIII agrees to be
         bound by all the terms, provisions, conditions, and limitations of the
         Plan and the accompanying Trust Agreement which are pertinent to any
         entity defined as an Employing Company in the Plan. Such entity
         further agrees that the Corporation and/or the Committee shall act for
         the entity and its Employees, Participants, and Beneficiaries under
         the provisions of the Plan and the Trust Agreement.  Such entity
         further agrees to furnish from time to time such information with
         reference to its Employees as may be required by the Committee.

(2)      PROCEDURE FOR WITHDRAWAL:

         Any Employing Company (other than the Corporation) may, subject to
         such conditions as may be imposed by the Corporation, terminate its
         adoption of the Plan.  Upon discontinuance of an Employing Company's
         participation in the Plan, the Committee may, in its sole and absolute
         discretion, cause a determination to be made of the equitable part of
         the Plan assets held on account of Participants of the withdrawing
         Employing Company and their Beneficiaries.  The Committee may, in its
         sole and absolute discretion, direct the Trustee to transfer assets
         representing such equitable part to a separate fund for the plan of
         the withdrawing Employing Company.  Such withdrawing Employing Company
         may thereafter exercise, in respect of such separate fund, all the
         rights and powers reserved to the Corporation with respect to Plan
         assets.  The plan of the withdrawing Employing Company shall, until
         amended by the withdrawing Employing Company, continue with the same
         terms as the Plan herein, except that with respect to the separate
         plan of the withdrawing Employing Company, the words "Employer,"
         "Employing Company," and "Corporation" shall thereafter be considered
         to refer only to the withdrawing Employing Company.  Any transfer of
         assets under this Section (2) shall be effected in a manner that
         complies with Article XII(3).

(3)      ADOPTION OF PLAN BY UNRELATED EMPLOYERS:

         Companies that are not described in Article I(42)(b) or (c) may adopt
         the Plan only if authorized to do so by the Corporation.  Such
         authorization may extend to an individual company or to a group of
         related companies. Any such





                                      123
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         company that is authorized to adopt the Plan for the benefit of its
         Employees shall do so in accordance with Section (1).  Any company
         that adopts the Plan in accordance with this Section (3) and Section
         (1) shall be deemed to be an Employing Company hereunder and shall be
         subject to all terms of the Plan applicable to an Employing Company.





                                      124
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                                  ARTICLE XVI
                            SPECIAL EFFECTIVE DATES

         Except as otherwise provided in this Plan, this 1998 Amendment and
Restatement shall be effective as of January 1, 1998.

         Notwithstanding anything in this Plan or the Predecessor Plans to the
contrary, the Plan and each Predecessor Plan are hereby amended as follows,
provided that, in the case of any Predecessor Plan with a Plan Year or
Limitation Year that is not the calendar year, a reference to a January 1 date
in Sections (1)-(5), (8), and (12) shall be deemed to be a reference to the
first day on which the applicable change in the law applied to such Predecessor
Plan:

(1)       HIGHLY COMPENSATED EMPLOYEE STATUS AND DEFINITION:

          Article III(16) and Article I(60) shall apply to this Plan and all
          Predecessor Plans as of January 1, 1997.

(2)       NONDISCRIMINATION TESTING:

          (a)         Article III(12)(h) shall apply to the Plan and all
                      Predecessor Plans as of January 1, 1997.

          (b)         As of January 1, 1997, the Plan and all Predecessor Plans
                      shall reflect the modifications to Code Sections
                      401(k)(8) and 401(m)(6) set forth in section 1433(e) of
                      the Small Business Job Protection Act of 1996, which
                      modifications are also contained in Article III(12)(b)
                      and (c).

(3)       COMPENSATION UNDER CODE SECTION 415:

          As of January 1, 1998, the Plan and all Predecessor Plans shall
          reflect the modifications to Code Section 415 set forth in section
          1434 of the Small Business Job Protection Act of 1996, which
          modifications are also contained in Article I(99) and Article
          III(14).

(4)       CONTRIBUTIONS ON BEHALF OF DISABLED EMPLOYEES:

          As of January 1, 1997, the Plan and all Predecessor Plans shall
          reflect the modifications to Code Section 415 set forth in section
          1446 of the Small Business Job Protection Act of 1996, which
          modifications are also contained in Article III(14).

(5)       LEASED EMPLOYEES:





                                      125
<PAGE>   137
          As of January 1, 1997, the Plan and all Predecessor Plans shall
          reflect the modifications to Code Section 414(n) set forth in section
          1454 of the Small Business Job Protection Act of 1996.

(6)       CODE SECTION 414(u):

          Article XIV(15) shall apply to this Plan and all Predecessor Plans as
          of December 12, 1994.

(7)       OFFSETS:

          Article XIV(16) shall apply to the Plan and all Predecessor Plans
          with respect to judgments, orders, and decrees issued, and settlement
          agreements entered into, on or after August 5, 1997.

(8)       DISTRIBUTIONS OF SMALL AMOUNTS:

          Article IX(7)(a) and Article IX(8)(k) shall apply to the Plan and all
          Predecessor Plans as of January 1, 1998.

(9)       WITHDRAWAL RESTRICTIONS:

          Article IV(1)(e) and Article IV(2)(b) shall apply to the Plan as of
          January 1, 1999.

(10)      MERGER:

          As provided in the Introduction to this Plan, the merger of the Money
          Purchase Pension Plan, the AmVestors Financial Corporation Money
          Purchase Pension Plan, and the AmVestors Financial Corporation
          Employees' Stock Ownership Plan into this Plan is effective as of
          January 1, 1999.  This January 1, 1999 effective date shall also
          apply to all other provisions of the Plan that are based on such
          merger, such as other provisions relating to the Prior Plans.
          Notwithstanding anything herein to the contrary, the merger of the
          Money Purchase Pension Plan and the AmVestors Financial Corporation
          Money Purchase Pension Plan into the Plan as of January 1, 1999 is
          contingent on the issuance by the Internal Revenue Service of a
          favorable determination letter with respect to the qualified status
          of this Plan, which letter (a) shall include consideration of such
          merger and this 1998 Amendment and Restatement and (b) may be issued
          after January 1, 1999.  Accordingly, if such a letter is not issued
          within the remedial amendment period (as defined under Code Section
          401(b)) applicable to this 1998 Amendment and Restatement, the merger
          shall be deemed not to have occurred, provided that if such a merger
          is deemed not to have occurred, the merger of the AmVestors Financial
          Corporation Money Purchase





                                      126
<PAGE>   138
          Pension Plan into the Money Purchase Pension Plan shall be deemed to
          have occurred as of January 1, 1999.

(11)      COMMITTEE AUTHORITY:

          Article XIV(17) shall apply to this Plan and all Predecessor Plans as
          of the earliest date permitted by applicable law, determined
          separately with respect to each aspect of Article XIV(17).

(12)      EXPLANATION OF ELECTION:

          As of January 1, 1997, Article IX(8)(i) shall apply to the Plan and
          shall apply to any Predecessor Plan to which Code Section 401(a)(11)
          applied in whole or in part.

(13)      MERGER, CONSOLIDATION, OR TRANSFER:

          Article XII(3) shall apply to the Plan and all Predecessor Plans as
          of January 1, 1998.

(14)      ESOP:

          The ESOP Feature and the Stock Bonus Component shall apply to the
          Plan as of January 1, 1999.  This January 1, 1999 effective date
          shall also apply to all other provisions of the Plan that are based
          on the provisions of the ESOP Feature or the Stock Bonus Component,
          such as other provisions relating to the ESOP Fund.





                                      127
<PAGE>   139
                      IN WITNESS WHEREOF, AmerUs Life Holdings, Inc. has caused
this instrument to be executed on this ____ day of ____________, 1998.


<TABLE>
<S>                                 <C>
                                    AMERUS LIFE HOLDINGS, INC.



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

                                    Title: Chairperson, AmerUs Benefit and Pension Committee
                                           -------------------------------------------------


WITNESS:



- ------------------------
</TABLE>




                                      128
<PAGE>   140
                                  APPENDIX A:
                              EMPLOYING COMPANIES




<TABLE>
<CAPTION>
- -----------------------------------------------------------------------------------------------------------
                                                                               First subsequent date (if
                                           First date on or after January 1,   any) on which the employer
                                           1998, on which the employer is an   ceased to be an Employing
 Name of Employing Company                 Employing Company                   Company
- -----------------------------------------------------------------------------------------------------------
 <S>                                                      <C>                              <C>
 Edina Realty Mortgage, formerly known as                 1/1/98                           3/31/98
 First Edina Mortgage L.L.C.
- -----------------------------------------------------------------------------------------------------------
 Home Real Estate                                         1/1/98                           5/8/98
- -----------------------------------------------------------------------------------------------------------
 AmerUs Insurance, Inc.                                   1/1/98                           5/27/98
- -----------------------------------------------------------------------------------------------------------
 First Realty, Ltd.                                       1/1/98                           5/27/98
- -----------------------------------------------------------------------------------------------------------
 IMO Co., Inc. d/b/a/ Carol Jones,                        1/1/98                           5/27/98
 Realtors
- -----------------------------------------------------------------------------------------------------------
 Iowa Realty, Inc.                                        1/1/98                           5/27/98
- -----------------------------------------------------------------------------------------------------------
 Iowa Title                                               1/1/98                           5/27/98
- -----------------------------------------------------------------------------------------------------------
 Midland Escrow Services, Inc.                            1/1/98                           5/27/98
- -----------------------------------------------------------------------------------------------------------
 AmerUs Direct                                            1/1/98                           7/31/98
- -----------------------------------------------------------------------------------------------------------
 AmerUs Bank                                              1/1/98                           7/31/98
- -----------------------------------------------------------------------------------------------------------
 AmerUs Investment Services                               1/1/98                           7/31/98
- -----------------------------------------------------------------------------------------------------------
 AmerUs Group, Co.                                        1/1/98
- -----------------------------------------------------------------------------------------------------------
 AmerUs Life Holdings, Inc.                               1/1/98
- -----------------------------------------------------------------------------------------------------------
 AmerUs Life Insurance Company                            1/1/98
- -----------------------------------------------------------------------------------------------------------
 AmerUs Mortgage, Inc.                                    1/1/98
- -----------------------------------------------------------------------------------------------------------
 AmerUs Properties                                        1/1/98
- -----------------------------------------------------------------------------------------------------------
 Delta Life and Annuity                                   4/1/98
- -----------------------------------------------------------------------------------------------------------
 AmerUs Capital Management                                8/1/98
- -----------------------------------------------------------------------------------------------------------
 AmerUs Home Equity                                       8/1/98
- -----------------------------------------------------------------------------------------------------------
 AmVestors Financial Corporation                          1/1/99
- -----------------------------------------------------------------------------------------------------------
</TABLE>





                                      129
<PAGE>   141
                                   APPENDIX B

                     CALCULATION OF SUPPLEMENTAL PERCENTAGE


         With respect to a Plan Year, each Eligible Nonelective Contribution
         Employee who was an active participant in the American Mutual Life
         Insurance Company Pension Plan, as amended and restated effective
         December 31, 1995 (the "DB Plan"), on December 31, 1995, may have an
         Interim Supplemental Contribution made on his behalf. A Participant's
         Interim Supplemental Contribution for a Plan Year is the product of
         the Participant's Supplemental Percentage as determined below and the
         Participant's Compensation for the Plan Year as determined in this
         Plan.

         The actuarial assumptions for determining the Supplemental Percentage
         are as follows:

         (a)     Compensation is projected using a 4.5% salary scale;

         (b)     The taxable wage base is assumed to increase 4.0% per year;

         (c)     The Participant's accounts in any defined contribution plan
                 are assumed to accrue 8.0% interest per year;

         (d)     Conversion of a DC Plan account balance at age 65 to an annual
                 benefit is accomplished by using the 1983 GAM mortality table
                 (50% male/50% female) and 8% interest; and

         (e)     Conversion of a DB Plan benefit to a single sum is
                 accomplished using the 1983 GAM mortality table (50% male/50%
                 female), and the annual interest rate on 30-year Treasury
                 securities for August 1995 (6.86%).

         The procedure for determining the Supplemental Percentage is as
         follows:

         FIRST STEP.  The first step is to determine the retirement benefit
         that a Participant would have received had the DB Plan (and any
         nonqualified plan of deferred compensation) covering that Participant
         not been frozen on December 31, 1995, and had the American Mutual and
         Central Life defined contribution plans which covered that Participant
         on December 31, 1995 ("DC Plans") remained in effect.  This
         calculation is made as follows:

         (a)     The Participant's Compensation at age 64 is projected;





                                      130
<PAGE>   142
         (b)     The amount of annual retirement income the Participant would
                 have received as a life annuity beginning at age 65 from the
                 DB Plan, the DC Plans, and nonqualified plans of deferred
                 compensation covering the Participant is determined by
                 assuming the Participant remained covered under those plans
                 until age 65, and assuming further that the provisions of such
                 plans remained unchanged until the Participant's 65th
                 birthday.  For this purpose, it is assumed that a Participant
                 covered under the American Mutual Plans described in Appendix
                 D would receive a Company contribution equal to 4.5% of
                 Compensation for each Plan Year until the Participant's 65th
                 birthday, and Participants covered under the Central Life
                 Plans described in Appendix C would receive an Employer
                 contribution equal to 3.0% of Compensation until the
                 Participant's 65th birthday.

         (c)     The result in (b) is divided by the result in (a).

         SECOND STEP.  The second step is to determine the retirement benefit
         that a Participant would receive under this Plan, the frozen DB Plan
         which covered him and any nonqualified plan of deferred compensation,
         if there were no Interim Benefit Supplement.  This calculation is made
         as follows:

         (a)     The amount of annual retirement income the Participant would
                 have received as a life annuity beginning at age 65 is
                 determined, assuming that he received Employer contributions
                 equal to 9.0% of Compensation to his Accounts under this Plan
                 beginning on January 1, 1996, and ending on the Participant's
                 65th birthday.

         (b)     The amount of annual retirement income the Participant would
                 have received from a life annuity beginning at age 65 is
                 determined, assuming that he had transferred the single-sum
                 value of his accrued benefit under the DB Plan to this Plan,
                 transferred any "defined benefit" nonqualified plan balance to
                 a nonqualified defined contribution plan and had not made
                 withdrawals from the account holding such transferred amount.

         (c)     The sum of (a) and (b) is divided by the Participant's
                 projected Compensation at age 64.

         THIRD STEP.  The third step is to determine the Supplemental
         Percentage.  This calculation is performed as follows:

         (a)     The result of the Second Step is subtracted from the First
                 Step.  If the result is 0 or less, the Supplemental Percentage
                 is 0.





                                      131
<PAGE>   143
         (b)     If (a) is greater than 0, the percentage of age 64
                 Compensation that is provided by a 1% Supplemental Percentage
                 is determined.

         (c)     Divide (a) by (b).  This is the Supplemental Percentage.





                                      132
<PAGE>   144
                                   APPENDIX C

                               CENTRAL LIFE PLAN

C.01     BACKGROUND:

         Prior to January 1, 1996, certain Plan Participants were covered by
         the American Mutual Life Insurance Company Flexible Savings Plan
         ("Central Life Plan"). The accounts Participants had under the Central
         Life Plan have been transferred to this Plan.  This Appendix contains
         special rules that apply to Participants who were participants in the
         Central Life Plan.

C.02     SERVICE:

         Years of service credited under the Central Life Plan as of December
         31, 1995, shall be credited under this Plan.

C.03     ACCOUNTS:

         Accounts transferred from the Central Life Plan shall be administered
         under this Plan as follows:

         (a)     A Participant's Central Life Plan Salary Reduction Account
                 shall be treated in the same manner as Before-Tax
                 Contributions;

         (b)     A Participant's Central Life Plan Matching Account shall be
                 treated in the same manner as Matching Contributions;

         (c)     A Participant's Central Life Plan Profit-Sharing Account shall
                 be treated in the same manner as Discretionary Allocations;
                 and

         (d)     A Participant's Central Life Plan Rollover Account shall be
                 treated in the same manner as Rollover Contributions.

C.04     INVESTMENT OPTIONS:

         Funds invested in the options available under the Central Life Plan
         may remain invested in those options. However, any change in
         investments is restricted to Investment Funds available under the
         Plan.





                                      133
<PAGE>   145
                                   APPENDIX D

                             AMERICAN MUTUAL PLANS

D.01     BACKGROUND:

         Prior to January 1, 1996, certain Plan Participants were covered by
         the American Mutual Life Insurance Company Employee's Savings Plus
         Plan and the American Mutual Life Insurance Company Employee's
         Progress Sharing Plan ("American Mutual Plans").  The accounts
         Participants had under the American Mutual Plans have been transferred
         to this Plan.  This Appendix contains special rules that apply to
         Participants who were participants in the American Mutual Plans.

D.02     SERVICE:

         Periods of employment which constitute years of Service under the
         American Mutual Plans shall be credited under this Plan.  However,
         there shall be no double service credit for any single period of
         employment.

D.03     ACCOUNTS:

         Accounts transferred from the American Mutual Plans shall be
         administered under this Plan as follows:

         (a)     A Participant's Employer Contribution Account under the
                 Savings Plus Plan shall be treated in the same manner as
                 Before-Tax Contributions;

         (b)     A Participant's Employer Contribution Account under the
                 Progress Sharing Plan shall be treated in the same manner as
                 Discretionary Allocations;

         (c)     A Participant's Employee Rollover Contribution Account under
                 the Savings Plus Plan shall be treated in the same manner as
                 Rollover Contributions; and

         (d)     A Participant's Employee After-Tax Account under the Savings
                 Plus Plan shall be maintained as a separate subaccount under
                 this Plan.  A Participant always shall be 100% vested in that
                 subaccount, and may make withdrawals from this subaccount at
                 any time.  However, a Participant shall not be permitted to
                 repay amounts withdrawn from the subaccount.





                                      134
<PAGE>   146
D.04     INVESTMENT OPTIONS:

         Funds invested in the options available under the American Mutual
         Plans may remain invested in those options.  However, any change in
         investments is restricted to Investment Funds available under the
         Plan.





                                      135
<PAGE>   147
                                   APPENDIX E

                               IOWA REALTY PLANS

E.01     BACKGROUND:

         Prior to January 1, 1996, some Plan Participants were covered by the
         Iowa Realty Company, Inc. Profit Sharing Plan, the Iowa Realty
         Company, Inc. Money Purchase Pension Plan, and the Iowa Realty Co.,
         Inc. Employee's 401(k) Savings Plan ("Iowa Realty Plans").
         Participants' accounts under the Iowa Realty Plans ("Iowa Realty
         Accounts") have been transferred to this Plan.  This Appendix contains
         special rules that apply to Participants who were participants in the
         Iowa Realty Plans.  Section references are to this Plan.

E.02     ACCOUNTS:

         Iowa Realty Accounts shall be administered as follows, except as
         otherwise provided in this Appendix E:

         (a)     A Participant's Elective Deferral Contribution Account under
                 the Iowa Realty 401(k) Plan shall be treated like Before-Tax
                 Contributions;

         (b)     A Participant's Discretionary Contribution Account under the
                 Iowa Realty Profit Sharing Plan shall be treated like
                 Discretionary Allocations;

         (c)     A Participant's Rollover Contribution Accounts under the Iowa
                 Realty 401(k) and Profit Sharing Plans shall be treated like
                 Rollover Contributions; and

         (d)     A Participant's Account under the Iowa Realty Money Purchase
                 Pension Plan shall be maintained as a separate subaccount
                 ("Pension Account") under this Plan.  No distributions may be
                 made from the Pension Account before a Participant's
                 Termination of Employment or death, unless distributions are
                 required under Article IX(7)(c).

E.03     INVESTMENT SELECTIONS:

         Accounts from the Iowa Realty Plans may remain invested as before.
         However, any change is restricted to Investment Funds available under
         this Plan.

E.04     ADDITIONAL FORMS OF BENEFIT:

         A Participant may designate that his Iowa Realty Accounts shall be
         payable in any of the forms described in Article IX(3), or in one of
         the following:  single





                                      136
<PAGE>   148
         life annuities of five, ten, or fifteen years; survivorship life
         annuities with installment refund and survivor percentages of 50,
         66-2/3, or 100; fixed period annuities for any period of whole months
         which is not less than 60 and does not exceed the life expectancy of
         the Participant and his Beneficiary.

         The annuity provider shall be selected as provided in Article
         IX(4)(b).

         Elections under this Section E.04 shall require spousal consent.

E.05     REPAYMENT OF DISTRIBUTIONS:

         Notwithstanding Article VII(4), a Participant described in Section
         E.01, who has forfeited a portion of his Employer-derived Account and
         returns to the employ of the Employer, shall have his Employer-derived
         Account balance restored no later than:

         (a)     The date specified in Article VII(4); or

         (b)     The close of the Break Period specified in Section E.07(b).

E.06     VESTING:

         Any Employee who was previously covered under the Iowa Realty Profit
         Sharing Plan or the Iowa Realty Money Purchase Plan or both on
         December 31, 1995 will become fully vested on January 1, 1996 in the
         balance of his or her Account attributable to participation in either
         the Iowa Realty Profit Sharing Plan or the Iowa Realty Money Purchase
         Plan.

E.07     YEARS OF SERVICE:

         Periods of employment which constitute years of Service under the Iowa
         Realty Plans shall be credited under this Plan for all purposes.
         However, there shall be no duplicate service credit for any single
         period of employment.

         For purposes of Section E.06, the following rules shall apply,
         notwithstanding anything in Article I or Article VII to the contrary:

         (a)     A Participant shall receive credit for a "Year of Service," if
                 he earns 1,000 Hours of Service during a Plan Year.  If the
                 Participant fails to earn the requisite Hours of Service, he
                 shall receive no service credit for employment during that
                 Plan Year.

         (b)     If a Participant returns to the employ of the Employer after a
                 Break Period:





                                      137
<PAGE>   149
                 (1)      Years of Service earned prior to the break will be
                          ignored, unless the Participant was vested in some
                          portion of his Employer-derived Account; and

                 (2)      Years of Service earned after the break will be
                          ignored for purposes of determining the vested
                          portion of his pre-break, Employer-derived Account.

         "Break Period" means a period of five consecutive Plan Years in each
         of which the Participant fails to earn more than 500 Hours of Service.

         (c)     For purposes of determining when a Break Period begins, Hours
                 of Service shall include hours a Participant would have earned
                 if he had not been absent on account of a maternity or
                 paternity leave described in Article I(72).  The Hours of
                 Service shall be credited to the Plan Year in which the leave
                 begins, if the Break Period would begin in that Plan Year.
                 Otherwise, the Hours of Service shall be credited to the
                 following Plan Year.





                                      138
<PAGE>   150
                                   APPENDIX F

                               FIRST REALTY PLAN

F.01     BACKGROUND:

         Prior to January 1, 1996, some Plan Participants were covered by the
         First Realty, Ltd. Select Savings Plan ("First Realty Plan").  The
         accounts Participants had under the First Realty Plan have been
         transferred to this Plan.  This Appendix contains special rules that
         apply to Participants who were participants in the First Realty Plan.
         Section references are to this Plan.

F.02     ACCOUNTS:

         Accounts from the First Realty Plan shall be administered as follows:

         (a)     A Participant's Elective Deferral Contribution Account under
                 the First Realty Plan shall be treated like Before-Tax
                 Contributions;

         (b)     A Participant's Matching Contribution Account under the First
                 Realty Plan shall be treated like Matching Contributions;

         (c)     A Participant's Discretionary Contribution Account under the
                 First Realty Plan shall be treated like Discretionary
                 Allocations; and

         (d)     A Participant's Voluntary Contribution Account under the First
                 Realty Plan shall be maintained as a separate subaccount under
                 this Plan.  A Participant shall be fully vested in that
                 subaccount and may make withdrawals at any time. However, a
                 Participant shall not be permitted to repay amounts withdrawn
                 from that subaccount.

F.03     INVESTMENT SELECTIONS:

         Accounts from the First Realty Plan may remain invested as before.
         However, any change is restricted to Investment Funds available under
         this Plan.

F.04     REPAYMENT OF DISTRIBUTIONS:

         Notwithstanding Article VII(4), a Participant described in Section
         F.05 who has forfeited a portion of his Employer-derived Account and
         returns to the employ of an Employer (or Affiliated Company), shall
         have his Employer-derived Account balance restored no later than:

         (a)     The date specified in Article VII(4); or





                                      139
<PAGE>   151
         (b)     The close of the Break Period specified in Section F.06(b).

F.05     VESTING:

         Notwithstanding Article VII(2)(d), a Participant previously covered
         under the First Realty Plan shall vest in his Basic and Profit-Sharing
         Accounts according to the following schedule:

<TABLE>
<CAPTION>
                          Years of Service                           Vested Percentage
                          ----------------                           -----------------
                             <S>                                             <C>
                             Less than 2                                         0%

                                  2                                          33.33%

                                  3                                          66.67%

                              4 or more                                        100%
</TABLE>

         If a Participant has a Termination of Employment before becoming fully
         vested, the non-vested portion of his Account shall be forfeited at
         the time described in Article VII(3)(b).  Forfeitures shall be used to
         reduce Employer contributions in the Plan Year in which they arise.

F.06     YEARS OF SERVICE:

         Periods of employment which constitute Years of Service under the
         First Realty Plan shall be credited under this Plan.  However, there
         shall be no duplicate Service for any single period of employment.

         For purposes of Section F.06, the following rules shall apply,
         notwithstanding anything in Article I or Article VII to the contrary:

         (a)     A Participant shall receive credit for a "Year of Service," if
                 he earns 1,000 Hours of Service during a Vesting Computation
                 Period.  If the Participant fails to earn the requisite Hours
                 of Service, he shall receive no service credit for employment
                 during that Vesting Computation Period. "Vesting Computation
                 Period," for this purpose, means the one-year period from July
                 1 to June 30.

         (b)     If a Participant returns to the employ of the Employer after a
                 Break Period:





                                      140
<PAGE>   152
                 (1)      Years of Service earned prior to the break will be
                          ignored, unless the Participant was vested in some
                          portion of his Employer-derived Account; and

                 (2)      Years of Service earned after the break will be
                          ignored for purposes of determining the vested
                          portion of his pre-break, Employer-derived Account.

         "Break Period" means a period of five consecutive Vesting Computation
         Periods in each of which the Participant fails to earn more than 500
         Hours of Service.

         (c)     For purposes of determining when a Break Period begins, Hours
                 of Service shall include hours a Participant would have earned
                 if he had not been absent on account of a maternity or
                 paternity leave described in Article I(72).  The Hours of
                 Service shall be credited to the Vesting Computation Period in
                 which the leave begins, if the Break Period would begin in
                 that Plan Year. Otherwise, the Hours of Service shall be
                 credited to the following Vesting Computation Period.





                                      141
<PAGE>   153
                                   APPENDIX G

                   EMPLOYEES OF FIRST EDINA MORTGAGE, L.L.C.

G.01     Any Participant who was an employee of First Edina Mortgage, L.L.C.
         (now known as Edina Realty Mortgage) prior to November 1, 1996, shall
         have his Years of Service determined pursuant to Section 7.3 of the
         Edina Financial Services, Inc. and Subsidiaries Retirement Plan and
         Trust in effect on November 1, 1996.

G.02     Compensation for any Participant who was an employee of First Edina
         Mortgage, L.L.C. prior to November 1, 1996, shall include his
         compensation in 1996 as defined in Section 2.1(10) of the Edina
         Financial Services, Inc. and Subsidiaries Retirement Plan and Trust in
         effect on November 1, 1996.





                                      142
<PAGE>   154
                                   APPENDIX H

                         EMPLOYEES OF AMERUS PROPERTIES
                           AND IOWA REALTY COMMERCIAL

H.01     BACKGROUND:

         Certain employees of AmerUs Properties and Iowa Realty Commercial, an
         AmerUs Company, who are Participants in the Plan shall become
         employees (the "Transferring Employees") of Welsh Companies ("Welsh"),
         and the account balances of the Transferring Employees shall be
         distributed to the Transferring Employee in accordance with such
         Employee's direction.

H.02     VESTING:

         Notwithstanding anything contained to the contrary in Article VII(2),
         each employee who's position is being eliminated from AmerUs
         Properties and Iowa Realty Commercial, an AmerUs Company, as a result
         of the Welsh acquisition, shall be fully vested in his Account balance
         effective on the date of acquisition.





                                      143
<PAGE>   155
                                   APPENDIX I

                    EMPLOYEES OF EDINA REALTY HOME SERVICES

I.01     Notwithstanding anything contained to the contrary in Article I(100),
         "Years of Service" for any Participant who was an employee of Edina
         Financial Services, Inc. d/b/a Edina Realty Home Services on or after
         November 1, 1996 shall include such Participant's Years of Service
         credited under the Edina Financial Services, Inc. and Subsidiaries
         Retirement Plan and Trust; provided that no period of Service shall be
         taken into account more than once.





                                      144
<PAGE>   156
                                   APPENDIX J

                         HOME REAL ESTATE OF OMAHA PLAN

J.01     BACKGROUND:

         Prior to January 1, 1998, certain Plan Participants were covered by
         the HOME Real Estate Retirement Savings Plan (the "HOME Plan").  The
         accounts Participants had under the HOME Plan have been transferred to
         this Plan. This Appendix contains special rules that apply to
         Participants who were participants in the HOME Plan.

J.02     SERVICE:

         Years of service credited under the HOME Plan as of December 31, 1997,
         shall be credited under this Plan.

J.03     ACCOUNTS:

         Accounts transferred from the HOME Plan shall be administered under
         this Plan as follows:

         (a)     A Participant's HOME Plan Elective Deferral Account shall be
                 treated in the same manner as Before-Tax Contributions;

         (b)     A Participant's HOME Plan Matching Account shall be treated in
                 the same manner as Matching Contributions;

         (c)     A Participant's HOME Plan Profit-Sharing Account shall be
                 treated in the same manner as Discretionary Allocations; and

         (d)     A Participant's HOME Plan Rollover Account shall be treated in
                 the same manner as Rollover Contributions.

J.04     CONTRIBUTIONS:

         Notwithstanding anything contained in this Plan to the contrary, the
         following rules shall apply with respect to any Participant who is an
         Employee of HOME Real Estate Company (a "Home Participant").

         (a)     Home Participants shall not be eligible to receive Core
                 Nonelective Contributions pursuant to Article III(5) or
                 Interim Supplemental Contributions pursuant to Article III(6).





                                      145
<PAGE>   157
         (b)     In lieu of the Matching Contribution specified in Article
                 III(4) of the Plan, HOME shall contribute on behalf of each of
                 the Home Participants a Matching Contribution equal to 50% of
                 such Participant's Before-Tax Contributions, to the extent the
                 Participant's Before-Tax Contributions do not exceed 6% of the
                 Participant's Compensation, determined separately with respect
                 to each payroll period.  Such Matching Contributions shall be
                 made each pay period on behalf of each such Participant who
                 has made Before-Tax Contributions during the pay period.

J.05     ADDITIONAL FORMS OF BENEFIT:

         A Participant may designate that his Account shall be payable in any
         of the forms described in Article IX(3), or in one of the following:
         single life annuities of five, ten, or fifteen years; survivorship
         life annuities with installment refund and survivor percentages of 50,
         66-2/3, or 100; fixed period annuities for any period of whole months
         which is not less than 60 and does not exceed the life expectancy of
         the Participant and his Beneficiary.

         The annuity provided shall be selected as provided in Article
         IX(4)(b).

         Elections under this Section J.05 shall require spousal consent.





                                      146
<PAGE>   158
                                   APPENDIX K

                       EMPLOYEES OF AMERUS MORTGAGE, INC.

K.01     BACKGROUND:

         Certain employees of AmerUs Mortgage, Inc. ("AmerUs Mortgage") and
         Edina Realty Mortgage (also known as First Edina Mortgage L.L.C.) (the
         "Companies") who are Participants in the Plan terminated employment
         with the Companies as a result of the dissolution of the joint venture
         formed between AmerUs Mortgage and Edina Financial Services, Inc (the
         "Terminated Employees").

K.02     VESTING:

         Notwithstanding anything contained to the contrary in paragraphs (b),
         (c) and (d) of Section 7.02 of the Plan, each Terminated Employee's
         Period of Service shall include such employee's severance period and
         stay bonus period, if any.





                                      147
<PAGE>   159
                                   APPENDIX L

                      EMPLOYEES OF DELTA LIFE CORPORATION

L.01     BACKGROUND:

         Prior to April 1, 1998, certain Plan Participants were covered by the
         Delta 401(k) Plan (the "Delta Plan").  The accounts Participants had
         under the Delta Plan have been transferred to this Plan.  This
         Appendix contains special rules that apply to participants who were
         participants in the Delta Plan.

L.02     SERVICE:

         Years of service credited under the Delta Plan as of April 1, 1998
         shall be credited under this Plan.

L.03     ACCOUNTS:

         Accounts transferred from the Delta Plan shall be administered under
         this Plan as follows:

         (a)  A Participant's Delta Plan Elective Account shall be treated in
              the same manner as a Pretax Account;

         (b)  A Participant's Delta Plan Matching Account, if any, shall be
              treated in the same manner as a Matching Account;

         (c)  A Participant's Delta Plan Profit Sharing Account, if any, shall
              be treated in the same manner as a Profit Sharing Account; and

         (d)  A Participant's Delta Plan Rollover Account, if any, shall be
              treated in the same manner as a Rollover Account.

L.04     ADDITIONAL FORMS OF BENEFIT:

         In addition to the forms of distribution described in Section 9.03, a
         married Participant may designate that his Account shall be payable in
         a joint and survivor annuity with survivor percentages of 75 or 100.

         The annuity provider shall be selected by the Participant as provided
         in Section 9.03.



                                      148
<PAGE>   160
                                   APPENDIX M

                     CERTAIN EMPLOYEES OF THE AMERUS GROUP

                           TAX COMPLIANCE DEPARTMENT

M.01     BACKGROUND:

         Certain employees of the AmerUs Group Tax Compliance department, who
         are Participants in the Plan, shall become Terminated Employees due to
         the AmerUs Group's partnership with Ernst & Young ("E&Y").  The
         account balances of the Terminated Employees shall be distributed to
         the Terminated Employee in accordance with such Employee's direction.

M.02     VESTING:

         Notwithstanding anything contained to the contrary in Article VII(2),
         each employee who's position is being eliminated from the AmerUs Group
         Tax Compliance department as a result of the E&Y partnership, shall be
         fully vested in his Account balance effective on the Terminating
         Employee's termination date with the AmerUs Group.





                                      149
<PAGE>   161
            THIS PAGE MUST BE KEPT AS THE LAST PAGE OF THE DOCUMENT.





                                      150


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