TREADCO INC
S-8, 1997-12-29
AUTOMOTIVE REPAIR, SERVICES & PARKING
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       As filed with the Securities and Exchange Commission on December 29, 1997
                                                      Registration No. 33-______







                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549



                                    FORM S-8
             REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933



                                  TREADCO, INC.
             (Exact name of registrant as specified in its charter)

                   DELAWARE                                      71-0706271
        (State or other jurisdiction of                       (I.R.S. Employer
        incorporation or organization)                       Identification No.)

            1101 SOUTH 21ST STREET
             FORT SMITH, ARKANSAS                                   72901
   (Address of principal executive offices)                      (Zip Code)



                            TREADCO, INC. EMPLOYEES'
                                 INVESTMENT PLAN
                            (Full title of the plans)


             Richard F. Cooper                               Copy to:
                 Secretary                              Riva Johnson, Esq.
               Treadco, Inc.                           Jenkens & Gilchrist,
          1101 South 21st Street                    A Professional Corporation
        Fort Smith Arkansas  72901                 1445 Ross Avenue, Suite 3200
              (501) 785-6000                           DALLAS, TEXAS  75202
    (Name, address and telephone number
 including area code of agent for service)


<TABLE>
<CAPTION>

                         CALCULATION OF REGISTRATION FEE

                                                                         PROPOSED                PROPOSED
                                                  AMOUNT                 MAXIMUM                 MAXIMUM              AMOUNT OF
             TITLE OF CLASS OF                    TO BE               OFFERING PRICE            AGGREGATE           REGISTRATION
        SECURITIES TO BE REGISTERED          REGISTERED(1)(2)        PER SHARE(3)(4)       OFFERING PRICE(3)(4)        FEE(4)
======================================= ======================== ====================== ========================= ==================
<S>                                           <C>                          <C>                   <C>                    <C>     
Common Stock, $0.01 par value per share       110,000 Shares               $ 9.25                $ 1,017,500            $ 300.17
======================================= ======================== ====================== ========================= ==================
<FN>

         (1) The securities to be registered  include 110,000 shares that may be
offered or sold under the Treadco, Inc. Employees' Investment Plan (the "Plan").  
         (2) Pursuant to Rule  416(c) under  the  Securities  Act  of  1933,  as
amended, this  Registration Statement  also covers  an  indeterminate  amount of
interests to be offered or sold pursuant to the Plan.
         (3) Estimated solely for the purpose  of calculating  the  registration
fee.
         (4) Calculated pursuant to Rule 457(c) and (h). Accordingly,  the price
per share of the Common Stock offered hereunder pursuant to the Plan is based on
110,000  shares of Common Stock that may be offered or sold under the Plans at a
price per share of  $ 9.25,  which is the  average  of the  highest  and  lowest
selling price per share of Common Stock on The Nasdaq National  Market,  Inc. on
December 22, 1997.
</FN>
</TABLE>

                    Page  one  of  78  sequentially  numbered  pages.  Index  to
                    exhibits is located on page 7 of the  sequentially  numbered
                    page system.

<PAGE>

                                     PART I

              INFORMATION REQUIRED IN THE SECTION 10(A) PROSPECTUS


ITEM 1.  PLAN INFORMATION.*

ITEM 2.  REGISTRANT INFORMATION AND EMPLOYEE PLAN ANNUAL INFORMATION.*

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

*        Information  required by Part I to be  contained  in the Section  10(a)
         prospectus  is omitted from the  Registration  Statement in  accordance
         with Rule 428 of the Securities  Act of 1933, as amended,  and the Note
         to Part I of Form S-8.


                                     PART II

                 INFORMATION REQUIRED IN REGISTRATION STATEMENT


ITEM 3.  INCORPORATION OF DOCUMENTS BY REFERENCE.

         The  registrant  and the Plan hereby  incorporate  by reference in this
registration   statement  the  following  documents   previously  filed  by  the
registrant with the Securities and Exchange Commission (the "Commission"):

                  (1) the registrant's Annual Report on Form 10-K filed with the
         Commission for the fiscal year ended December 31, 1996;

                  (2) the  registrant's  Quarterly  Reports on Form 10-Q for the
         quarters ended March 31, June 30 and September 30, 1997, filed with the
         Commission;

                  (3) the  description of the Common Stock,  par value $0.01 per
         share,  of  the  registrant  (the  "Common  Stock")  set  forth  in the
         Registration Statement on Form S-1 (No. 33-41605),  dated July 3, 1991,
         including  any  amendment  or report  filed for the purpose of updating
         such description.

         All documents filed by the registrant  with the Commission  pursuant to
Sections 13(a),  13(c), 14 and 15(d) of the Securities  Exchange Act of 1934, as
amended  (the  "Exchange  Act"),  subsequent  to the  date of this  registration
statement  shall be deemed to be  incorporated  herein by reference  and to be a
part  hereof  from the date of the filing of such  documents  until such time as
there shall have been filed a  post-effective  amendment that indicates that all
securities  offered  hereby have been sold or that  deregisters  all  securities
remaining unsold at the time of such amendment.

ITEM 4.  DESCRIPTION OF SECURITIES.

         Not Applicable.

ITEM 5.  INTERESTS OF NAMED EXPERTS AND COUNSEL.

         None.

ITEM 6.  INDEMNIFICATION OF DIRECTORS AND OFFICERS.

         The  registrant  (hereinafter  referred  to as the  "Corporation")  has
authority under section 145 of the Delaware General Corporation law to indemnify
its directors,  officers,  employees and agents of the Corporation. The Articles
of Incorporation and Bylaws of the Corporation provide that officers, directors,
or a person serving at the request of the  Corporation  as a director,  officer,
employee or agent of another corporation,  partnership,  joint venture, trust or
other

                                                       II-2
<PAGE>

enterprise,  including service with respect to an employee benefit plan (each an
"Indemnitee")  shall be  indemnified in any action,  suit or proceeding  brought
against such Indemnitee by reason of having served in such capacity, to the full
extent permitted by Delaware law; provided,  however, that such Indemnitee acted
in good faith and in a manner he or she  reasonably  believed  to be in the best
interest of the  Corporation.  The  Corporation,  however,  shall  indemnify  an
Indemnitee in a proceeding  brought by such  Indemnitee  only if such proceeding
was  authorized  by  the  Board  of  Directors.  Pursuant  to  the  Articles  of
Incorporation,  indemnification  is a contract right,  including the right to an
advancement of expenses, provided the Indemnitee undertakes to repay all amounts
advanced should it be determined by final judicial decision that such Indemnitee
is not  entitled to be  indemnified.  In respect of any  criminal  action,  such
Indemnitee  shall be indemnified  provided he had no reasonable cause to believe
his conduct was unlawful.  The Corporation's Bylaws provide that the Corporation
may purchase  and maintain  insurance on behalf of any person who is, or was, an
Indemnitee,  regardless  of whether the  Corporation  has the power to indemnify
such Indemnitee under the Bylaws.

         If a claim is not paid in full by the  Corporation  within  sixty  days
after a written claim has been received by the  Corporation  (except in the case
of a claim for an advancement of expenses,  in which case the applicable  period
shall be twenty days),  the  Indemnitee  may at any time  thereafter  bring suit
against the Corporation to recover the unpaid amount of the claim. If successful
in whole or in part in any such suit, the  Indemnitee  shall also be entitled to
be paid the  expense of  prosecuting  or  defending  such suit.  In (i) any suit
brought  by the  Indemnitee  to  enforce  a right to  indemnification  under the
Articles  of  Incorporation  and  Bylaws  (but  not  in a  suit  brought  by the
Indemnitee  to  enforce a right to an  advancement  of  expenses)  it shall be a
defense  that,  and (ii) in any suit  brought by the  Corporation  to recover an
advancement of expenses pursuant to the terms of an undertaking, the Corporation
shall be entitled to recover such expenses upon a final  adjudication  that, the
Indemnitee  has not met the  applicable  standard  of  conduct  set forth in the
Delaware  General  Corporation  Law.  Neither  the  failure  of the  Corporation
(including  its  Board  of  Directors,   independent   legal  counsel,   or  its
stockholders)  to have made a  determination  prior to the  commencement of such
suit that  indemnification  of the  Indemnitee  is  proper in the  circumstances
because the Indemnitee  has met the applicable  standard of conduct set forth in
the  Delaware  General  Corporation  Law,  nor an  actual  determination  by the
Corporation (including its Board of Directors, independent legal counsel, or its
stockholders)  that the  Indemnitee  has not met  such  applicable  standard  of
conduct,  shall  create  a  presumption  that  the  Indemnitee  has  not met the
applicable  standard  of conduct  or, in the case of such a suit  brought by the
Indemnitee,  be a defense to such suit.  In any suit brought by an Indemnitee to
enforce a right to  indemnification  or to an  advancement of expenses or by the
Corporation to recover an  advancement  of expenses  pursuant to the terms of an
undertaking,  the burden of proving  that the  Indemnitee  is not entitled to be
indemnified, or to such advancement of expenses, shall be on the Corporation.

         A  director  of  the  Corporation  is  not  personally  liable  to  the
Corporation or its  stockholders  for monetary  damages for breach of his or her
fiduciary  duty as a director,  except for  liability  (i) for any breach of the
director's duty of loyalty to the Corporation or its stockholders, (ii) for acts
or omissions  not in good faith or which  involve  intentional  misconduct  or a
knowing  violation  of law,  (iii)  under  Section 174 of the  Delaware  General
Corporation Law, or (iv) for any transaction from which the director derived any
improper  personal benefit.  If the Delaware General  Corporation Law is amended
after the filing of the  Certificate  of  Incorporation  to authorize  corporate
action further eliminating or limiting the personal liability of directors, then
the liability of a director of the Corporation shall be eliminated or limited to
the fullest  extent  permitted by the Delaware  General  Corporation  Law, as so
amended.

         In  addition  to  the  foregoing,  the  Corporation  has  entered  into
indemnification  agreements (an  "Indemnification  Agreement")  with each of its
directors.  Each such Indemnification  Agreement provides for indemnification of
directors of the  Corporation  to the fullest  extent  permitted by the Delaware
General Corporation Law and additionally  permits advancing  attorney's fees and
all other costs, expenses,  obligations, fines and losses, paid or incurred by a
director  generally  in  connection  with the  investigation,  defense  or other
participation in any threatened, pending or completed action, suit or proceeding
or any inquiry or investigation  thereof,  whether  conducted by or on behalf of
the the  Corporation  or any other  party.  If it is later  determined  that the
director is or was not entitled to  indemnification  under  applicable  law, the
Corporation is entitled to reimbursement by the director.

         The  Indemnification  Agreements further provide that in the event of a
change  in  control  of the  Corporation,  then  with  respect  to  all  matters
thereafter  arising concerning the rights of directors to indemnity payments and
expense advances,  all determinations  regarding  excludable claims will be made
only by a court  of  competent  jurisdiction  or by  special  independent  legal
counsel selected by the director and approved by the Corporation.

                                                       II-3
<PAGE>

         To the extent that the board of  directors or the  stockholders  of the
Corporation  may in the  future  wish to  limit or  repeal  the  ability  of the
Corporation  to  indemnify  directors,  such  repeal  or  limitation  may not be
effective  as to  directors  who are  currently  parties to the  Indemnification
Agreements, because their rights to full protection are contractually assured by
the Indemnification  Agreements. It is anticipated that similar contracts may be
entered into, from time to time, with future directors of the Corporation.

ITEM 7.  EXEMPTION FROM REGISTRATION CLAIMED.

         None.

ITEM 8.  EXHIBITS.

         (a)      Exhibits.

                           The  following  documents are filed as a part of this
registration statement.

  Exhibit           Description of Exhibit
  -------           ----------------------

  4.1*     Treadco, Inc. Employees' Investment Plan.

  4.2*     Amendment No. One to the Treadco, Inc. Employees' Investment Plan.

  4.3*     Amendment No. Two to the Treadco, Inc. Employees' Investment Plan.

  4.4*     Amendment No. Four to the Treadco, Inc. Employees' Investment Plan.

  4.5      Certificate of Incorporation of the Company  (previously filed
           as  Exhibit  3.1  to  the  Company's  Form  S-1   Registration
           Statement  under the  Securities  Act of 1933, as amended (the
           "Act") dated July 3, 1991,  Commission File No. 33-41605,) and
           incorporated herein by reference.

  4.6      Bylaws of the Company  (previously filed as Exhibit 3.2 to the
           Company's Form S-1 Registration  Statement under the Act dated
           July 3, 1991, Commission File No. 33-41605),  and incorporated
           herein by reference.

  5.1**    Opinion of Jenkens & Gilchrist, a Professional Corporation.

 23.1***   Consent of Jenkens & Gilchrist, a Professional Corporation.

 23.2*     Consent of Ernst & Young LLP, Independent Auditors.

 24.1*     Power of Attorney (on signature page).

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

*        Filed herewith.

**       No opinion is being furnished  herewith pursuant to  instruction (a) to
         Item 8 of Form S-8 as  the Shares  registered herein  are not  original
         issuance securities.

***      No consent is being filed herewith  pursuant to instruction (a) to Item
         Form S-8, as the Shares  being  registered  are not  original  issuance
         securities.

                                                       II-4
<PAGE>

ITEM 9.  UNDERTAKINGS.

         A.       The undersigned registrant hereby undertakes:

                  (1) to file,  during any  period in which  offers or sales are
         being made, a post-effective  amendment to this registration  statement
         to  include  any  material  information  with  respect  to the  plan of
         distribution not previously disclosed in the registration  statement or
         any material change to such information in the registration statement;

                  (2) that, for the purpose of determining  any liability  under
         the Securities Act, each such post-effective  amendment shall be deemed
         to be a new registration  statement  relating to the securities offered
         therein,  and the  offering  of such  securities  at that time shall be
         deemed to be the initial bona fide offering thereof; and

                  (3) to remove from  registration by means of a  post-effective
         amendment any of the securities being registered which remain unsold at
         the termination of the offering.

         B. The undersigned  registrant  hereby undertakes that, for purposes of
determining  any  liability  under  the  Securities  Act,  each  filing  of  the
registrant's  annual  report  pursuant to section  13(a) or section 15(d) of the
Exchange Act (and, where  applicable,  each filing of an employee benefit plan's
annual  report   pursuant  to  section  15(d)  of  the  Exchange  Act)  that  is
incorporated by reference in the registration  statement shall be deemed to be a
new registration  statement relating to the securities offered therein,  and the
offering of such  securities at that time shall be deemed to be the initial bona
fide offering thereof.

         C.  Insofar  as  indemnification  for  liabilities  arising  under  the
Securities Act may be permitted to directors,  officers and controlling  persons
of the  registrant  pursuant to the  foregoing  provisions,  or  otherwise,  the
registrant  has  been  advised  that  in  the  opinion  of the  Commission  such
indemnification  is  against  public  policy  as  expressed  in the  Act and is,
therefore,  unenforceable. In the event that a claim for indemnification against
such liabilities  (other than the payment by the registrant of expenses incurred
or paid by a director,  officer or  controlling  person of the registrant in the
successful  defense of any  action,  suit or  proceeding)  is  asserted  by such
director,  officer or controlling person in connection with the securities being
registered, the registrant will, unless in the opinion of its counsel the matter
has been  settled by  controlling  precedent,  submit to a court of  appropriate
jurisdiction  the  question  of whether  such  indemnification  by it is against
public  policy  as  expressed  in the Act  and  will be  governed  by the  final
adjudication of such issue.

                                                       II-5
<PAGE>

                                POWER OF ATTORNEY

         KNOW  ALL MEN BY THESE  PRESENTS,  that  each  person  whose  signature
appears below  constitutes and appoints  Richard F. Cooper,  his true and lawful
attorney-in-fact  and agent with full power of substitution and  resubstitution,
for him and in his name, place and stead, in any and all capacities, to sign any
and all amendments  (including  post-effective  amendments) to this registration
statement, and to file the same with all exhibits, thereto, and all documents in
connection therewith, with the Securities and Exchange Commission, granting unto
said attorney-in-fact and agent, full power and authority to do and perform each
and every  act and thing  requisite  and  necessary  to be done in and about the
premises,  as  fully  to all  intents  and  purposes  as he might or could do in
person, hereby ratifying and confirming all that said attorney-in-fact and agent
or his substitute or substitutes,  may lawfully do or cause to be done by virtue
hereof.

                                   SIGNATURES

         THE REGISTRANT.  Pursuant to the  requirements of the Securities Act of
1933, the registrant certifies that it has reasonable grounds to believe that it
meets  all 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 Fort Smith, State of Arkansas,  on December 23,
1997:

                                              TREADCO, INC.


                                              By: /s/ Richard F. Cooper
                                                 ----------------------
                                                    Name: Richard F. Cooper
                                                    Title:  Secretary


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

<TABLE>
<CAPTION>

            SIGNATURE                                          CAPACITY                                      DATE
            ---------                                          --------                                      ----
<S>                                       <C>                                                          <C>
/s/ Robert A. Young, III                  Chairman of the Board, Director                              December 23, 1997
- ---------------------------------          
Robert A. Young, III

/s/ John R. Meyers                        President and Chief Executive Officer (Principal             December 23, 1997
- ---------------------------------         Executive Officer, Director)  
John R. Meyers                            

/s/ David E. Loeffler                     Vice President-Chief Financial Officer and                   December 23, 1997
- ---------------------------------         Treasurer (Principal Financial and Accounting Officer)
David E. Loeffler                         

                                          Director                                                     December __, 1997
- ---------------------------------         
Nicolas M. Georgitsis

/s/ Robert B. Gilbert                     Director                                                     December 23, 1997
- ---------------------------------         
Robert B. Gilbert
               
                                          Director                                                     December __, 1997
- ---------------------------------         
William A. Marquard

</TABLE>

                                                       II-6
<PAGE>

<TABLE>
<CAPTION>
<S>                                       <C>                                                          <C> 
                                          Director                                                     December __, 1997
- ---------------------------------         
John H. Morris
</TABLE>







         THE PLAN.
         ---------


         Pursuant to the  requirements of the Securities Act, this  Registration
Statement  has  been  signed  by the  following  members  of the  Administrative
Committee of the Treadco, Inc.'s Employees' Investment Plan, in the City of Fort
Smith, State of Arkansas, on the dates indicated.

<TABLE>
<CAPTION>

               SIGNATURE                           TITLE                                        DATE
               ---------                           -----                                        ----
<S>                                               <C>                                     <C>
/s/ Donald L. Neal                   
- ---------------------------------------           Chairman                                December 23, 1997
Donald L. Neal

/s/ Richard F. Cooper
- ---------------------------------------           Member                                  December 23, 1997
Richard F. Cooper

/s/ John R. Meyers
- ---------------------------------------           Member                                  December 23, 1997
John R. Meyers

/s/ Randall M. loyd
- ---------------------------------------           Member                                  December 23, 1997
Randall M. Loyd

/s/ Jay Davidson
- ---------------------------------------           Member                                  December 23, 1997
Jay Davidson

/s/ David E. Loeffler
- ---------------------------------------           Member                                  December 23, 1997
David E. Loeffler

/s/ J. Lavon Moron
- ---------------------------------------           Member                                  December 23, 1997
J. Lavon Morton
</TABLE>

                                                       II-7
<PAGE>

                                  EXHIBIT INDEX
<TABLE>
<CAPTION>
                                                                                                  Sequential
   Exhibit                                                                                           Page
    Number                          Document Description                                            Number
    ------                          --------------------                                            ------
     <S>        <C>                                                                                    <C>

     4.1*       Treadco, Inc. Employees' Investment Plan.                                               9
     4.2*       Amendment No. One to the Treadco, Inc. Employees' Investment Plan.                     67
     4.3*       Amendment No. Two to the Treadco, Inc. Employees' Investment Plan.                     69
     4.4*       Amendment No. Four to the Treadco, Inc. Employees' Investment Plan.                    70
     4.5        Certificate of Incorporation of the Company (previously filed as Exhibit 3.1 to the    
                Company's Form S-1  Registration  Statement under the Securities Act of 1933 dated 
                July 3, 1991,  Commission File No.  33-41605,) and incorporated herein by reference.
     4.6        Bylaws of the  Company  (previously  filed as Exhibit 3.2 to the Company's Form S-1
                Registration  Statement under the Securities Act of 1933 dated July 3, 1991, 
                Commission File No.  33-41605), and incorporated herein by reference.
     5.1**      Opinion of Jenkens & Gilchrist, a Professional Corporation.
    23.1***     Consent of Jenkens & Gilchrist, a Professional Corporation.
    23.2*       Consent of Ernst & Young LLP, Independent Auditors.                                    78
    24.1*       Power of Attorney (on signature page).


- --------------------
<FN>

*        Filed herewith.

**       No opinion is being furnished herewith pursuant to instruction (a) to Item 8 of Form S-8 as the Shares registered
         herein are not original issuance securities.

***      No consent is being filed herewith  pursuant to instruction (a) to Item
         Form S-8, as the Shares  being  registered  are not  original  issuance
         securities.
</FN>
</TABLE>


                                                       II-8




                                                                     EXHIBIT 4.1


                                  TREADCO, INC.
                           EMPLOYEES' INVESTMENT PLAN


                    Generally Effective as of January 1, 1994

                                                       II-9
<PAGE>
                                                                     EXHIBIT 4.1

<TABLE>

                                TABLE OF CONTENTS
<CAPTION>

                                                                                                               Page
                                                                                                               ----


<S>                                                                                                              <C>
SECTION ONE
         PURPOSE AND RESTATEMENT OF THE PLAN,
         PRIOR PLAN AND ESTABLISHMENT OF THE TRUST FUNDS..........................................................1
         1.1      Restatement of the Plan.........................................................................1
         1.2      Purposes........................................................................................1
         1.3      Prior Plan......................................................................................1
         1.4      Trusts..........................................................................................2
         1.5      Separate Trusts.................................................................................2

SECTION TWO
         DEFINITIONS..............................................................................................2

SECTION THREE
         REQUIREMENTS FOR ELIGIBILITY............................................................................11
         3.1      Service........................................................................................11
         3.2      Service with a Predecessor Employer............................................................11
         3.3      Periods of Severance...........................................................................12
         3.4      Change in Status of Employee...................................................................12
         3.5      Eligibility of Certain Employees...............................................................13

SECTION FOUR
         ACTIVE PARTICIPATION IN THE PLAN........................................................................13
         4.1      Active Participation...........................................................................13
         4.2      Rollover Account...............................................................................13

SECTION FIVE
         ADMINISTRATION OF THE PLAN..............................................................................14
         5.1      Responsibility for Administration of the Plan..................................................14
         5.2      Appointment of Administrative Committee........................................................14
         5.3      Responsibility for Administration of the Trust Fund............................................15
         5.4      Delegation of Powers...........................................................................15
         5.5      Records........................................................................................15
         5.6      General Administrative Powers..................................................................15
         5.7      Appointment of Professional Assistants and Investment Manager..................................15
         5.8      Actions of the Administrative Committee........................................................16
         5.9      Directives of the Administrative Committee.....................................................17
         5.10     Discretionary Acts.............................................................................17
         5.11     Responsibility of Fiduciaries..................................................................17
         5.12     Indemnity by Participating Companies...........................................................17
         5.13     Payment of Fees and Expenses...................................................................17
         5.14     Plan Administrator.............................................................................18
         5.15     Allocation and Delegation of Administrative Committee
                           Responsibilities......................................................................18

SECTION SIX
         DEPOSITS................................................................................................18
         6.1      Company Matching Deposits......................................................................18
         6.2      Basic and Supplemental Before-Tax Deposits.....................................................19
         6.3      Date of Payment of Deposits....................................................................20
</TABLE>

                                                       II-10
<PAGE>
                                                                     EXHIBIT 4.1
<TABLE>
<CAPTION>

         <S>                                                                                                     <C>
         6.4      Special Limitations on Before-Tax Deposits.....................................................20
         6.5      Special Limitation on Company Matching Deposits................................................27
         6.6      Right to Change Rate of, Resume or Discontinue
                           Before-Tax Deposits...................................................................30
         6.7      Withdrawals from Participant Accounts..........................................................31

SECTION SEVEN
         ALLOCATION TO PARTICIPANTS' ACCOUNTS....................................................................32
         7.1      Methods of Allocating Deposits.................................................................32
         7.2      Allocation to a Participant Transferred to a Participating Company.............................33
         7.3      Allocation to a Participant Transferred to an Affiliated Company Which Has Not Adopted the Plan33
         7.4      Limitations on Annual Additions................................................................33
         7.5      Limitations on Annual Additions for Participating Companies or Affiliated Companies Maintaining
                  Other Defined Contribution Plans...............................................................35
         7.6      Limitations on Benefits and Annual Additions for Participating Companies or Affiliated Companies
                  Maintaining Defined Benefit Plans..............................................................35
         7.7      Definitions Relating to Annual Addition Limitations............................................36

SECTION EIGHT
         VALUATION OF TRUST FUND.................................................................................38
         8.1      Regular Valuation..............................................................................38
         8.2      Valuation of Company Stock.....................................................................38

SECTION NINE
         PARTICIPANTS' ACCOUNTS..................................................................................38
         9.1      Separate Accounts..............................................................................38
         9.2      Accounts of Participants Transferred to an Affiliated Company..................................38
         9.3      Adjustment of Participant's Accounts...........................................................39
         9.4      Account Investment Direction...................................................................39
         9.5      Company Stock Fund.............................................................................40

SECTION TEN
         COMMON TRUST FUND.......................................................................................42

SECTION ELEVEN
         DESIGNATION OF BENEFICIARIES............................................................................42
         11.1     Participant's Designation......................................................................42
         11.2     Qualified Consent..............................................................................43

SECTION TWELVE
         DISABILITY BENEFITS.....................................................................................43
         12.1     Disability Retirement Benefits.................................................................43
         12.2     Determination of Disability....................................................................44

SECTION THIRTEEN
         RETIREMENT AND DEATH BENEFITS...........................................................................44
         13.1     Retirement  Benefits...........................................................................44
         13.2     Death Benefits.................................................................................44

SECTION FOURTEEN
         EMPLOYMENT TERMINATION BENEFITS.........................................................................45
         14.1     Vesting upon Termination of Employment.........................................................45
         14.2     Determination of Vesting Years of Service......................................................45
</TABLE>

                                                       II-11
<PAGE>
                                                                     EXHIBIT 4.1

<TABLE>
<CAPTION>

         <S>                                                                                                     <C>
         14.3     Periods of Severance...........................................................................45
         14.4     Forfeiture of Non-Vested Amount................................................................46
         14.5     Restoration of Forfeited Non-Vested Amount.....................................................47

SECTION FIFTEEN
         PAYMENT OF BENEFITS.....................................................................................47
         15.1     Amount of Payment..............................................................................47
         15.2     Method of and Time for Distribution of Benefits................................................48
         15.3     Limitations on Timing..........................................................................49
         15.4     Payments on Personal Receipt Except in Case of Legal Disability................................49
         15.5     Benefits Payable in Cash.......................................................................50
         15.6     Distribution Accounts..........................................................................50
         15.7     Distribution Limitations Applicable to Before-Tax Deposits.....................................50
         15.8     Benefits Payable Pursuant to a Qualified Domestic Relations Order..............................50
         15.9     Direct Rollovers...............................................................................51

SECTION SIXTEEN
         BENEFIT CLAIMS PROCEDURE................................................................................52
         16.1     Claims for Benefits............................................................................52
         16.2     Request for Review of Denial...................................................................52
         16.3     Decision on Review of Denial...................................................................52

SECTION SEVENTEEN
         MISCELLANEOUS PROVISIONS
         RESPECTING PARTICIPANTS.................................................................................53
         17.1     Participants to Furnish Required Information...................................................53
         17.2     Participants' Rights in Trust Fund.............................................................53
         17.3     Inalienability of Benefits.....................................................................53
         17.4     Address for Mailing of Benefits................................................................56
         17.5     Unclaimed Account Procedure....................................................................56

SECTION EIGHTEEN
         LOANS TO PARTICIPANTS,
         BENEFICIARIES AND ALTERNATE PAYEES......................................................................57

SECTION NINETEEN
         ADOPTION OF PLAN BY AFFILIATED COMPANY..................................................................59

SECTION TWENTY
         WITHDRAWAL FROM PLAN....................................................................................59
         20.1     Notice of Withdrawal...........................................................................59
         20.2     Segregation of Trust Assets upon Withdrawal....................................................59
         20.3     Exclusive Benefit of Participants..............................................................60
         20.4     Applicability of Withdrawal Provisions.........................................................60
</TABLE>
                                                      II-12
<PAGE>
                                                                     EXHIBIT 4.1
<TABLE>
<CAPTION>
<S>                                                                                                             <C>

SECTION TWENTY-ONE
         AMENDMENT OF THE PLAN...................................................................................60

SECTION TWENTY-TWO
         PERMANENCY OF THE PLAN..................................................................................61
         22.1     Right to Terminate Plan........................................................................61
         22.2     Merger or Consolidation of Plan and Trust......................................................61
         22.3     Continuance by Successor Company...............................................................62
</TABLE>
 
                                                       II-13
<PAGE>

                                                                     EXHIBIT 4.1

<TABLE>
<CAPTION>
<S>                                                                                                              <C>

SECTION TWENTY-THREE
DISCONTINUANCE OF DEPOSITS AND TERMINATION.......................................................................62
         23.1     Discontinuance of Deposits.....................................................................62
         23.2     Termination of Plan and Trust..................................................................62
         23.3     Rights to Benefits upon Termination of Plan or Complete
                           Discontinuance of Deposits............................................................63

SECTION TWENTY-FOUR
         STATUS OF EMPLOYMENT RELATIONS..........................................................................63

SECTION TWENTY-FIVE
         BENEFITS PAYABLE BY TRUST...............................................................................63

SECTION TWENTY-SIX
         EXCLUSIVE BENEFIT OF TRUST FUND.........................................................................63
         26.1     Limitation on Reversions.......................................................................63
         26.2     Unallocated Amounts upon Termination of Plan and Trust.........................................64
         26.3     Mistake of Fact or Disallowance of Deduction...................................................64
         26.4     Failure of Initial Qualification of Plan and Trust.............................................64

SECTION TWENTY-SEVEN
         APPLICABLE LAW..........................................................................................64

SECTION TWENTY-EIGHT
         INTERPRETATION OF THE PLAN AND TRUST....................................................................65

SECTION TWENTY-NINE
         TOP HEAVY PLAN RULES....................................................................................65
         29.1     Definitions....................................................................................65
         29.2     Determination of Top Heaviness.................................................................67
         29.3     Minimum Requirements...........................................................................69
         29.4     Minimum Benefits for Employers Maintaining Defined Benefit Plans...............................70
         29.5     Super Top Heavy Plans..........................................................................70
</TABLE>

                                                       II-14

<PAGE>
                                                                     EXHIBIT 4.1


                                  TREADCO, INC.
                           EMPLOYEES' INVESTMENT PLAN
                           --------------------------


                                   SECTION ONE

                      PURPOSE AND RESTATEMENT OF THE PLAN,
                 PRIOR PLAN AND ESTABLISHMENT OF THE TRUST FUNDS
                 -----------------------------------------------

         1.1  Restatement  of the Plan.  Subject  to the  terms  and  conditions
hereinafter set forth,  Treadco,  Inc. (the "Sponsoring  Company") hereby amends
and  restates,  effective as of January 1, 1994  (except as  otherwise  provided
herein),  the Treadco,  Inc.  Employees'  Investment Plan, a Code Section 401(k)
plan for the exclusive benefit of its Employees and their  Beneficiaries,  which
was originally established effective as of September 1, 1991, and was thereafter
amended from time to time.

                  Except as otherwise  provided  herein,  the  provisions of the
amended and restated  Plan as contained  herein are  applicable to Employees and
Participants who have not died, retired, become disabled or otherwise terminated
employment  prior to January 1, 1994, or who are  reemployed by a  Participating
Company or Affiliated  Company  after January 1, 1994,  and while they are still
entitled to reinstatement of rights under the Plan. Except as otherwise provided
herein,  any  Employee or  Participant  who died,  retired,  became  disabled or
terminated  employment  prior to January 1, 1994,  shall receive any benefits to
which he is entitled based upon the provisions of the Plan as in effect prior to
January 1, 1994.

         1.2  Purposes.  The purposes  hereof are to reward  Employees for their
long and faithful  service,  to help the  Employees  accumulate  funds for their
later years, and to provide funds for their Beneficiaries in case of death.

                  It is the intention of the  Participating  Companies that this
Plan shall meet all of the requirements necessary or appropriate to qualify as a
profit-sharing plan and a discretionary  contribution plan under Sections 401(a)
and 401(k) of the Code and that the Fund made a part hereof shall be exempt from
tax  under  Section  501(a)  of the  Code  and all  provisions  hereof  shall be
interpreted  accordingly.  Contributions may be made hereunder without regard to
whether the Sponsoring Company has profits.

         1.3 Prior Plan.  Effective  as of July 1, 1991,  the  employees  of ABC
Treadco,  Inc.  ("Old  Treadco") were  transferred to employment  with the newly
formed Treadco,  Inc. Old Treadco  maintained a Code Section 401(k) plan,  which
was  substantially  similar  to the  Plan,  for  the  benefit  of  its  eligible
employees;  this plan was known as the ABC Treadco,  Inc. Employees'  Investment
Plan (the "Prior  Plan").  The assets of the Prior Plan were  transferred to the
Plan and deposited with and held,  subject to the provisions of the Plan, by the
Trustee of Investment  Trust No. 2 (if attributable to contributions to the Best
Holding  Corporation  stock fund in the Prior Plan) or the Trustee of Investment
Trust No. 1 (if attributable to other assets of the Prior Plan).

         1.4 Trusts.  In furtherance of this Plan,  effective as of September 1,
1991,  Treadco,  Inc. has become a  participating  employer in the Arkansas Best
Corporation and Affiliates  Employees'  Investment Trust  ("Investment Trust No.
1"),  a master  trust  which  was  established  by  Arkansas  Best  Corporation,
effective as of July 1, 1988,  and  effective as of September 1, 1991,  Treadco,
Inc.  has  established  an  additional  Trust,  the  Treadco,   Inc.  Employees'
Investment Trust No. 2 ("Investment Trust No. 2"); the Trust Agreements pursuant
to which such trusts are established are made a part hereof.

         1.5 Separate Trusts.  Two (2) separate Trusts, the Investment Trust No.
1 and the Investment  Trust No. 2, have been  established and will be maintained
for the purposes of the Plan (and other plans sponsored by Affiliated Companies)
and the moneys  thereof  will be invested in  accordance  with the terms of such
Trusts.  The  Investment  Trust No. 2 shall consist solely of the assets held in
the Company Stock Fund. All Before-Tax  Deposits and Company  Matching  Deposits
made in cash (unless the Board of Directors of the  Sponsoring  Company  directs
otherwise),  shall be paid to the  Trustee  of the  Investment  Trust  No. 1 for
investment therein. The Investment Trust No. 1 shall consist of the assets held

                                                       II-15
<PAGE>

                                                                     EXHIBIT 4.1

in each  Investment Fund other than the Company Stock Fund. A Trustee shall have
no  responsibility  with  respect to  administration  of assets  held in another
Trust,  and with  respect to such  other  Trust,  a Trustee  shall have the full
protection of Section 405(b)(3) of ERISA.


                                   SECTION TWO

                                   DEFINITIONS
                                   -----------

         As used in the Plan:

         2.1 "Account" or  "Accounts"  shall mean the Basic  Before-Tax  Deposit
Account, if any; the Supplemental Before-Tax Deposit Account, if any; the Choice
Benefits Deposit Account, if any; the Company Matching Deposit Account;  and the
Rollover  Account,  if any,  collectively  or  singly as the  context  requires,
maintained for each Participant under the Plan.

         2.2 "Active  Participant"  shall mean a  Participant  who has currently
elected in  accordance  with the  provisions of Section 4.1 hereof to have Basic
Before-Tax Deposits made on his behalf pursuant to the provisions of Section 6.2
hereof.

         2.3  "Administrative  Committee"  shall  mean  the  persons  or  entity
appointed to administer  the Plan in accordance  with the  provisions of Section
Five of the Plan. The Administrative Committee shall be the "Named Fiduciary" as
referred to in Section 402(a) of ERISA with respect to the management, operation
and administration of the Plan.

         2.4  "Affiliated  Company"  shall mean any company which is a component
member of a  controlled  group of  corporations  within  the  meaning of Section
1563(a)  of the Code  determined  without  regard  to  Sections  1563(a)(4)  and
(e)(3)(C)  thereof,  which  controlled  group  of  corporations  includes  as  a
component member the Sponsoring  Company or any  Participating  Company,  except
that with respect to Section 7.4 hereof,  "50 per cent" shall be substituted for
"80 per cent" where it appears in  paragraph  1 of Section  1563(a) of the Code.
The term "Affiliated Company" shall also mean any trade or business under common
control  (as  defined  in  Sections  414(b)  and  414(c)  of  the  Code)  with a
Participating  Company and any member of an affiliated service group (as defined
in Section 414(m) of the Code) of which a Participating  Company is a member and
any entity required to be aggregated with a  Participating  Company  pursuant to
regulations under Section 414(o) of the Code.

         2.5 "Basic Before-Tax  Deposit Account" shall mean the separate account
maintained for each  Participant  reflecting (i) the Basic  Before-Tax  Deposits
made on behalf of such  Participant  and (ii) funds  transferred  from the Prior
Plan and credited to the  Participant's  Basic Before-Tax  Deposit  Account,  as
adjusted in accordance with the provisions of Section Nine of the Plan.

         2.6 "Basic  Before-Tax  Deposits"  shall mean the  amount  each  Active
Participant has elected to have the  Participating  Companies  contribute on his
behalf  pursuant to the  provisions  of Section 6.2 hereof which is subject to a
Company Matching Deposit.  Such amounts shall qualify as elective  contributions
under Section 401(k) of the Code and the regulations thereunder.

         2.7  "Before-Tax  Deposits"  shall mean,  collectively or singly as the
context requires,  a Participant's  Basic Before-Tax  Deposits,  if any, and his
Supplemental Before-Tax Deposits, if any.

         2.8  "Beneficiary"  shall mean any person entitled to receive  benefits
which are payable upon or after a Participant's death pursuant to Section Eleven
and Section 13.2 of the Plan.

                                                       II-16
<PAGE>

                                                                     EXHIBIT 4.1

         2.9 "Choice  Benefits  Deposit Account" shall mean the separate account
maintained  for each  Participant  reflecting the Choice  Benefits  Deposits (as
defined  in the Prior  Plan)  made to the Prior Plan prior to January 1, 1990 on
behalf of such  Participant,  as adjusted in accordance with Section Nine of the
Plan.

         2.10 "Code"  shall mean the Internal  Revenue Code of 1986,  as amended
from time to time.  References to any Section of the Internal Revenue Code shall
include any successor provision thereto.

         2.11 "Company Matching Deposit Account" shall mean the separate account
maintained  for each  Participant  reflecting (i) such  Participant's  allocable
share of the Company Matching  Deposits under Subsection  6.1(1) hereof and (ii)
funds transferred from the Prior Plan and credited to the Participant's  Company
Matching  Deposits  Account,  as adjusted in accordance  with the  provisions of
Section Nine of the Plan.

         2.12  "Company  Matching   Deposits"  shall  mean  the  amount  of  the
Participating Companies,  contributions provided for in Subsection 6.1(1) hereof
which match the Participant's Basic Before-Tax Deposits.

         2.13  "Company  Stock"  shall mean the common  stock of the  Sponsoring
Company which is readily tradable on an established  securities  market,  or, if
there is no stock so tradable,  common stock of the Sponsoring  Company having a
combination  of voting power and  dividend  rights equal to or in excess of that
class of common stock having the greatest voting power and the greatest dividend
rights.

         2.14  "Company  Stock  Fund"  shall mean the  portion of the Trust Fund
invested in Company Stock or cash-equivalent  investments as provided in Section
9.5.

         2.15 "Compensation" shall mean, subject to the provisions of Subsection
29.3(1) hereof,  the amounts  actually paid to an Employee by the  Participating
Company for services  rendered,  inclusive of bonuses,  commissions and overtime
pay,  and  amounts,  if any,  that would have been  included  in the  Employee's
Compensation  for  such  calendar  year if they  had not  received  special  tax
treatment  because they were deferred by the Employee through a plan of deferred
compensation  under  Section  401(k)  of the Code or  under a  salary  reduction
agreement  pursuant  to  Section  125 of the  Code,  but  exclusive  of  expense
allowances and all other  extraordinary  compensation and any Compensation  paid
for any period prior to the Entry Date on which a  Participant  first  becomes a
Participant  under the  Plan.  Notwithstanding  the  foregoing,  for Plan  Years
beginning  before  December  31,  1993,  "Compensation"  shall not  include  any
Compensation in excess of Two Hundred Thousand Dollars ($200,000) or such larger
amount as results  from the  adjustment  provided in Section  401(a)(17)  of the
Code. Notwithstanding the foregoing, for Plan Years beginning after December 31,
1993, "Compensation" shall not include any Compensation in excess of One Hundred
Fifty  Thousand  Dollars  ($150,000)  or such larger  amount as results from the
adjustment provided in Section 401(a)(17) of the Code.

         2.16 "Eligible  Employee" shall mean each Employee who is employed by a
Participating Company except the following individuals:

                  2.16(1)   any  person  who  is  a  "casual   employee"   of  a
         Participating Company as defined by the Participating Company's uniform
         and nondiscriminatory  employment policy, unless and until such "casual
         employee"  completes  a Vesting  Year of  Service as defined in Section
         2.44 hereof, in which event such casual employee shall be treated as an
         Eligible Employee as defined herein as of the date such casual employee
         completes the Vesting Year of Service.

                  2.16(2) any person who is included in a collective  bargaining
         unit, if retirement benefits were the subject of good faith bargaining,
         unless and until said  bargaining unit has bargained for coverage under
         the Plan, in which event such person shall be treated as an Employee as
         defined herein as of the date said bargaining  unit commences  coverage
         under this plan.

                  2.16(3)  any person who is not  treated as an  employee on the
         payroll of a Participating  Company,  regardless of whether such person
         is  considered a leased  employee  within the meaning of Code  Sections
         414(n) and 414(o).

                                                       II-17
<PAGE>

                                                                     EXHIBIT 4.1

         2.17  "Employee"  shall mean any person who is employed as a common-law
employee by an Affiliated Company and receives a compensation from an Affiliated
Company that is subject to FICA tax. Any leased  employee shall be considered an
"Employee" under the Plan to the extent required by Sections 414(n) or 414(o) of
the Code,  but shall not be eligible to participate in the Plan unless and until
he  actually  becomes  employed on the  payroll of a  Participating  Company and
otherwise meets the eligibility criteria of Article Six hereof.

         2.18  "Employment  Commencement  Date"  shall mean the date an Employee
first  performs  an  Hour  of  Service  with  the  Participating  Company  or an
Affiliated Company.

         2.19 "Entry Date" shall mean the first day of each calendar quarter.

         2.20 "ERISA" shall mean the Employee  Retirement Income Security Act of
1974,  as amended  from time to time.  References  to any Section of ERISA shall
include any successor provision thereto.

         2.21 "Hour of  Service"  shall mean each hour for which an  Employee is
directly or indirectly  paid, or entitled to payment by a Participating  Company
or an Affiliated Company for the performance of duties.

         2.22 "Inactive  Participant"  shall mean any Participant  other than an
Active Participant.

         2.23  "Investment  Manager" shall mean any party that (i) is either (a)
registered as an investment  adviser under the Investment  Advisers Act of 1940,
or (b) a bank (as defined in the  Investment  Advisers  Act of 1940),  or (c) an
insurance company  qualified to manage,  acquire or dispose of Plan assets under
the laws of more than one  State,  (ii)  acknowledges  in  writing  that it is a
fiduciary  with  respect to the Plan,  and (iii) is granted the power to manage,
acquire or dispose of any asset of the Plan  pursuant  to Section 5.7 hereof and
the Trust Agreement.

         2.24 "Leave of Absence"  shall mean an absence with or without pay from
the  active  employment  of a  Participating  Company  by reason of an  approved
absence granted by such  Participating  Company in accordance with its leave and
personnel  regulations,  whether by reason of military  service or for any other
reason on the basis of a uniform  policy applied by such  Participating  Company
without discrimination  (including periods during which an Employee is receiving
benefits under any disability or sickness plan of a Participating  Company or an
Affiliated  Company).  Such a Leave of Absence will not constitute a Termination
of  Employment  provided the Employee  returns to the active  employment  of the
Participating  Company  at or prior to the  expiration  of his  leave or, if not
specified   therein,   within  the  period  of  time  which  accords  with  such
Participating  Company's  policy  with  respect to  permitted  absences.  If the
Employee does not return to the active employment of such Participating  Company
at or prior to the expiration of his Leave of Absence,  his  employment  will be
considered  terminated  as of the  earlier of (i) the date on which his Leave of
Absence expired,  or (ii) the date which is twelve (12) months after the date on
which his Leave of Absence began.  Notwithstanding  the foregoing  provisions of
this Section,  an Employee's  absence from the active service of a Participating
Company  because  of  military  service  will be  considered  a Leave of Absence
granted by a Participating Company and will not terminate the employment of such
Employee if he returns to the active  employment  of the  Participating  Company
within the period of time  during  which he has  reemployment  rights  under any
applicable  federal law or within  sixty (60) days from and after  discharge  or
separation from such military service if no federal law is applicable.  However,
no  provision  of this  Section or of the  remainder  of the Plan shall  require
reemployment of any Employee whose active service with the Participating Company
was terminated by reason of military service.

         2.25  "One-Year   Period  of  Severance"   shall  mean  a  twelve  (12)
consecutive month Period of Severance.  Notwithstanding the foregoing provisions
hereof,  or any other provision of this Plan to the contrary,  in the case of an
Employee  who is  absent  from  work for any  period  (i) by  reason  of (a) the
Employee's  pregnancy,  (b) the birth of the Employee's child, (c) the placement
of a child with the  Employee in  connection  with the adoption of such child by
the  Employee,  or (ii) for the  purpose  of caring  for such child for a period
beginning  immediately  following  such  birth or  placement,  the  twelve  (12)
consecutive month period beginning on the first anniversary of the first date of
such absence shall not  constitute a One-Year  Period of Severance and shall not
constitute a Period of Service.

                                                       II-18
<PAGE>

                                                                     EXHIBIT 4.1

         2.26  "Participant"  shall  mean an  Eligible  Employee  who  becomes a
Participant in the Plan as provided in Section Three of the Plan.

         2.27  "Participating  Company" shall mean the Sponsoring Company or any
Affiliated  Company  which adopts the Plan  pursuant to Section  Nineteen of the
Plan.

         2.28 "Period of Service" shall mean the period of time commencing on an
Employee's  Employment  Commencement Date or Reemployment  Commencement Date, as
the case may be, and ending on such  Employee's  Severance  from Service Date. A
Period of Service  shall also  include a Period of Severance of less than twelve
(12) consecutive months. Notwithstanding the preceding sentence:

                  2.28(1)  If an  Employee  who is on Leave of Absence or who is
         temporarily  laid off,  retires or suffers a Termination  of Employment
         during  the first  twelve  (12)  months  of such  Leave of  Absence  or
         temporary layoff, as the case may be, such Employee's Period of Service
         shall not include any Period of  Severance  beginning  on the date such
         Employee  retired or suffered a Termination of Employment and ending on
         such  Employee's  Reemployment  Commencement  Date,  if  any,  if  such
         Reemployment  Commencement  Date,  if any,  does not occur  within  the
         twelve (12) month period  commencing  on the date such Leave of Absence
         or temporary layoff began.

                  2.28(2) If an Employee works  simultaneously for more than one
         Participating  Company and/or Affiliated  Company,  the total Period of
         Service  for such  Employee  shall not be  increased  by reason of such
         simultaneous employment.

         2.29 "Period of Severance"  shall mean the period of time commencing on
an  Employee's  Severance  from  Service  Date  and  ending  on such  Employee's
Reemployment Commencement Date, if any.

         2.30 "Plan" shall mean the Treadco,  Inc. Employees' Investment Plan as
set forth in this document, and as hereafter amended from time to time.

         2.31 "Plan Year" shall mean the twelve (12)  consecutive  month  period
 ending on December 31 of each year.

         2.32  "Reemployment  Commencement Date" shall mean the date on which an
Employee  first performs an Hour of Service with a  Participating  Company or an
Affiliated Company following such Employee's Severance from Service Date.

         2.33 "Retirement  Date" of a Participant  shall mean the  Participant's
sixty-fifth (65th) birthday.

         2.34     "Severance from Service Date" shall mean the earlier of:

                  2.34(1)  The  date on  which an  Employee  separates  from the
         active employment of a Participating  Company or an Affiliated  Company
         on account of  retirement,  death,  Total and  Permanent  Disability or
         Termination of Employment; or

                  2.34(2) In the case of an  Employee  on Leave of  Absence  who
         does not return to the active employment of the  Participating  Company
         or an Affiliated Company at or prior to the expiration of such Leave of
         Absence,  the  earlier  of (i) the  expiration  date of such  Leave  of
         Absence, or (ii) the date which is twelve (12) months after the date on
         which such Leave of Absence  began,  or, in the case of an Employee who
         becomes  absent  (whether  the absence is with or without pay) from the
         active employment of a Participating  Company or an Affiliated  Company
         by reason of a temporary  layoff,  the date which is twelve (12) months
         after the date on which such Employee first becomes absent.

         2.35    "Sponsoring Company" shall mean Treadco, Inc. or its successor.


                                                       II-19
<PAGE>

                                                                     EXHIBIT 4.1

         2.36 "Supplemental  Before-Tax Deposit Account" shall mean the separate
account  maintained  for  each  Participant   reflecting  (i)  the  Supplemental
Before-Tax   Deposits  made  on  behalf  of  such  Participant  and  (ii)  funds
transferred from the Prior Plan and credited to the  Participant's  Supplemental
Before-Tax  Deposit  Account,  as adjusted in accordance  with the provisions of
Section Nine of the Plan.

         2.37  "Supplemental  Before-Tax  Deposits"  shall mean the amount  each
Active Participant has elected to have the Participating Companies contribute on
his behalf pursuant to the provisions of Section 6.2 hereof which is not subject
to  a  Company  Matching  Deposit.   Such  amounts  shall  qualify  as  elective
contributions under Section 401(k) of the Code and the regulations thereunder.

         2.38  "Termination of Employment"  shall mean the termination of active
employment with any Participating Company, whether voluntarily or involuntarily,
other  than  by  reason  of  a  Participant's  retirement  after  attaining  his
Retirement Date or after  sustaining  Total and Permanent  Disability,  death or
transfer to an Affiliated Company.

         2.39  "Total and  Permanent  Disability"  shall mean a  termination  of
employment due to a physical or mental condition of a Participant resulting from
bodily injury,  disease,  or mental disorder which  constitutes total disability
under the  federal  Social  Security  Act,  and for which  the  Participant  has
actually been approved for Social Security disability benefits.

         2.40 "Trust" shall mean either or both (as the context  shall  require)
of  the  legal  entities   resulting  from  the  Trust  Agreements  between  the
Participating  Companies  and  the  Trustees  which  receive  the  Participating
Companies, and Participants' contributions, and hold, invest, and disburse funds
to or for the benefit of Participants and their Beneficiaries.

         2.41  "Trust  Fund" shall mean the total of  contributions  made by the
Participating  Companies and Participants to either of the Trusts or both of the
Trusts  (as the  context  shall  require)  pursuant  to the Plan,  increased  by
profits,  gains,  income  and  recoveries  received,  and  decreased  by losses,
depreciation,  benefits paid and expenses incurred in the  administration of the
Trusts.   The  Trust  Funds  include  all  assets  acquired  by  investment  and
reinvestment which are held in the Trusts by the Trustees.

         2.42 "Trustee" shall mean Fidelity Management Trust Company, trustee of
the Investment Trust No. 1, and the individual  trustees of the Investment Trust
No. 2, or any of such Trustees as the context shall require,  and any additional
or successor Trustees.  Except as otherwise provided in the Trust Agreements and
herein,  the Trustees  shall be the "Named  Fiduciaries"  referred to in Section
402(a) of ERISA with respect to the control,  management and  disposition of the
Trust Funds.

         2.43  "Valuation  Date"  shall  mean the close of each day that the New
York Stock Exchange is open for business.

         2.44 "Vesting Year of Service"  shall mean a Period of Service of three
hundred  sixty-five  (365) days,  subject to the  provisions of Sections 3.2 and
14.3 hereof.  Notwithstanding  the preceding  sentence,  if a Participant  has a
Reemployment Commencement Date, such Participant's Periods of Service before and
after such  Reemployment  Commencement  Date which are required to be taken into
account under this Plan shall be determined on the basis of the actual number of
days in such aggregated Periods of Service.

         2.45 Wherever  appropriate,  words used in the Plan in the singular may
mean the plural,  the plural may mean the  singular,  and the masculine may mean
the feminine.
                                                       II-20

<PAGE>
                                                                     EXHIBIT 4.1

         2.46 The expressions listed below shall have the meanings stated in the
Sections or Subsections hereof respectively indicated:
<TABLE>
<CAPTION>
         <S>                                                                <C>
         "Actual Contribution Percentage" ("ACP")                           Subsection 6.5(7)(a)

         "Actual Deferral Percentage" (or "ADP")                            Subsection 6.4(8)(a)

         "Aggregated Family Group"                                          Subsection 6.4(8)(e)

         "Alternate Payee"                                                  Subsection 17.3(2)(e)

         "Annual Additions"                                                 Section 7.4

         "Benefit Commencement Date"                                        Subsection 15.2(2)(c)(i)(A)

         "Borrower"                                                         Section Eighteen

         "Cash Transfers From Another Qualified Plan"                       Subsection 4.2(3)

         "Compensation"                                                     Section 2.15;
                                                                            Subsection 29.3(1)

         "Defined Benefit Plan"                                             Subsection 7.7(3);
                                                                            Subsection 29.1(1)

         "Defined Benefit Plan Fraction"                                    Subsection 7.7(4)

         "Defined Contribution Plan"                                        Subsection 7.7(2);
                                                                            Subsection 29.1(2)

         "Defined Contribution Plan Fraction"                               Subsection 7.7(5)

         "Determination Date"                                               Subsection 29.1(3)

         "Direct Rollover"                                                  Subsection 15.10(1)(d)

         "Distributee"                                                      Subsection 15.10(1)(c)

         "Election Period"                                                  Subsection 15.2(2)(c)(ii)

         "Eligible Employee"                                                Subsection 2.16;
                                                                            Subsection 6.4(8)(d)

         "Employer"                                                         Subsection 29.1(4)

         "Excess Aggregate Contributions"                                   Subsection 6.5(3)

         "Excess Amounts"                                                   Subsection 7.4(3)

         "Excess Contributions"                                             Subsection 6.4(3)

         "Excess Deferrals"                                                 Subsection 6.4(7)

         "Family member"                                                    Subsection 6.4(8)(e)

         "Highest Average Compensation"                                     Subsection 7.7(4)

         "Highly Compensated Employee"                                      Subsection 6.4(8)(b)

         "Investment Funds"                                                 Subsection 9.4(1)
</TABLE>

                                                       II-21
<PAGE>

                                                                     EXHIBIT 4.1

<TABLE>
<CAPTION>
         <S>                                                                <C>
         "Key Employee"                                                     Subsection 29.1(5)

         "Key Employee Participant"                                         Subsection 29.1(6)

         "Limitation Year"                                                  Subsection 7.7(6)

         "Limitation Year Compensation"                                     Subsection 6.4(8)(b);
                                                                            Subsection 7.7(7);
                                                                            Subsection 29.1(7)

         "Maximum Aggregate Amount"                                         Subsection 7.7(5)

         "Named Fiduciary"                                                  Section 2.3;
                                                                            Section 2.42

         "Non-Highly Compensated Employee"                                  Subsection 6.4(8)(b)

         "Non-Stock Investments"                                            Subsection 15.2(1)(a)

         "Non-Vested Amount"                                                Subsection 14.4(1)(a)

         "Permissive Aggregation Group"                                     Subsection 29.1(8)

         "Permitted Purpose"                                                Subsection 6.7(1)

         "Plan Administrator"                                               Section 5.14

         "Prior Plan"                                                       Section 1.3

         "Projected Annual Benefit"                                         Subsection 7.7(4)

         "Qualified Domestic Relations Order"                               Subsection 17.3(2)(d)

         "Required Aggregation Group"                                       Subsection 29.1(9)

         "Required Beginning Date"                                          Section 15.3

         "Retirement Plan"                                                  Subsection 7.7(1)

         "Rollover Account"                                                 Subsection 4.2(1)

         "Stock Investments"                                                Subsection 15.2(l)(a)

         "Super Top Heavy Plan"                                             Subsection 29.2(2)

         "Top Heavy Plan"                                                   Subsection 29.2(1)

         "Top Heavy Ratio"                                                  Subsection 29.2(3)

         "Total Compensated"                                                Subsection 6.4(8)(d)

         "Trust Agreement"                                                  Section 1.3
</TABLE>


                                                       II-22
<PAGE>

                                                                     EXHIBIT 4.1

<TABLE>
<CAPTION>
         <S>                                                                <C>
         "Valuation Date"                                                   Subsection 29.1(10)

         "Valuation Period"                                                 Section 9.3

         "Vested Amount"                                                    Subsection 14.4(l)(a)
</TABLE>


                                  SECTION THREE

                          REQUIREMENTS FOR ELIGIBILITY
                          ----------------------------

         3.1 Service.  Each Eligible  Employee who was a Participant on December
31, 1993,  shall be a Participant in the Plan on January 1, 1994.  Each Eligible
Employee  whose  Employment  Commencement  Date is on or after  January 1, 1994,
shall be eligible to become a Participant  in the Plan as of the Entry Date next
following a twelve  month Period of Service.  In the event an Eligible  Employee
suffers a  Termination  of  Employment  prior to the Entry  Date upon which such
Employee  would have become a  Participant  in the Plan, as the case may be, and
such  Eligible  Employee is  reemployed  by a  Participating  Company prior to a
One-Year Period of Severance, such Eligible Employee shall be eligible to become
an Active  Participant  in the Plan as of the date the Eligible  Employee  would
have attained a twelve month Period of Service had such  Termination  of Service
not occurred and shall then be eligible to become an Active  Participant  in the
Plan as of the  Entry  Date  coincident  with or next  following  the  date  the
Eligible Employee became a Participant.

         3.2      Service with a Predecessor Employer.

                  3.2(1)  If  the  Plan  had  previously  been  maintained  by a
         predecessor  of  a  Participating   Company,   whether  a  corporation,
         partnership,  sole  proprietorship or other business entity, any period
         of  service  with  such  predecessor  shall be  treated  as a Period of
         Service  with  a  Participating  Company.  If the  Plan  had  not  been
         maintained  previously by a  predecessor  of a  Participating  Company,
         service with such predecessor  shall not be taken into account,  except
         to the  extent  required  pursuant  to  regulations  prescribed  by the
         Secretary  of  the  Treasury  or  his  delegate.   Notwithstanding  the
         foregoing, service by a sole proprietor or partner shall not be counted
         as a Period of Service with a Participating Company.

                  3.2(2) Notwithstanding the provisions of Subsection 3.2(1), an
         Employee's  period of employment  with ABC Treadco,  Inc. and any other
         entity aggregated  (pursuant to Code Sections 414(b),  (c), (m) or (o))
         with ABC Treadco,  Inc.  shall be treated as a Period of Service  under
         this  Plan  if it  would  be so  treated  if it  were  Service  with  a
         Participating Company.

         3.3 Periods of  Severance.  For  purposes of this  Section  Three,  the
aggregate of all Periods of Service  shall be taken into  account.  In the event
that a Participant  has a Severance  from Service Date and such  Participant  is
reemployed by a Participating Company, he shall resume participation in the Plan
effective  as of his  Reemployment  Commencement  Date and shall be  eligible to
become an Active Participant in the Plan as of the Entry Date coincident with or
next following his Reemployment Commencement Date.

         3.4      Change in Status of Employee.

                  3.4(1)  In the  event an  individual  who is  employed  by the
         Participating  Company or an Affiliated  Company but who is not defined
         as an Eligible  Employee under Section 2.16 hereof,  becomes so defined
         as an Eligible Employee,  such individual shall be eligible to become a
         Participant  as of the date he becomes so defined,  provided he has met
         the other  requirements for eligibility set forth in Section 3.1 hereof
         and previously  would have become a Participant  had he been defined as
         an  Eligible  Employee,  and  shall be  eligible  to  become  an Active
         Participant  in the Plan as of the Entry Date  coincident  with or next
         following  the date of  becoming  so defined as an  Eligible  Employee,
         except  in the case of an  individual  defined  in  Subsection  2.16(b)
         hereof who shall be eligible to become an Active  Participant as of the
         first day of the payroll period  coinciding  with or next following the
         date he becomes so defined as an Eligible Employee.

                                                       II-23
<PAGE>

                                                                     EXHIBIT 4.1

                  3.4(2) A Participant who ceases to be an Eligible Employee but
         who  does  not  suffer  a  Termination  of  Employment  shall  become a
         suspended  Participant.  During  the period of  suspension,  no amounts
         shall be credited to the Participant's  Accounts which are based on his
         Compensation  from and  after  the date of  suspension.  The  suspended
         Participant  shall be entitled to benefits in accordance with the other
         provisions  of the  Plan  throughout  the  period  during  which  he is
         suspended,  other  than the  right to  receive  a loan as  provided  in
         Section Eighteen hereof.

                  3.4(3) In the event a Participant  who ceased to be defined as
         an Eligible Employee under Section 2.16 hereof but who did not suffer a
         Termination of Employment,  subsequently becomes defined as an Employee
         again, such Participant shall recommence  participation  without regard
         to the limitations  imposed by Subsection 3.4(2) hereof, as of the date
         he became so  redefined,  but shall not be eligible to become an Active
         Participant  until the Entry Date coinciding with or next following the
         date of becoming so redefined as an Eligible Employee.

         3.5  Eligibility  of Certain  Employees.  For  purposes of Section 3.1,
notwithstanding  any provision within this Section Three,  Period of Service for
each  Employee who was an employee of  Transworld  Tire  Company,  on August 31,
1993, shall be determined by treating such Employee's  period of employment with
Transworld  Tire Company as a Period of Service under this Plan, if such service
would be so  treated  if it were  Service  with a  Participating  Company.  This
Section 3.5 is not intended to include service with Transworld Tire Company as a
Period of Service when  determining  such  Employee's  Vesting  Years of Service
under Sections 2.44 and 14.2.


                                  SECTION FOUR

                        ACTIVE PARTICIPATION IN THE PLAN
                        --------------------------------

         4.1 Active Participation. Any Employee eligible to become a Participant
in the Plan in  accordance  with  Section  Three  hereof,  may  become an Active
Participant  in the Plan by  electing no later than the date  determined  by the
Administrative Committee,  pursuant to a uniform and nondiscriminatory procedure
established  by the  Administrative  Committee,  to  have  made  on  his  behalf
Before-Tax  Deposits in  accordance  with the  provisions  of Section 6.2 of the
Plan. Any  Participant in the Plan who does not elect to have made on his behalf
Before-Tax  Deposits at the time he becomes a  Participant  in the Plan shall be
and remain an  Inactive  Participant  unless and until he elects to have made on
his behalf Before-Tax Deposits as provided in Section 6.2 of the Plan.

         4.2      Rollover Account.

                  4.2(1) With the consent of the Administrative  Committee, Cash
         Transfers From Another Qualified Plan may be received by the Trustee on
         behalf of any Employee or Participant. Such amount shall be credited to
         a separate Account herein referred to as a "Rollover Account." However,
         the transfer of such an amount  hereunder to the Trustee will not cause
         the  transferring  Employee to be eligible to  participate  in the Plan
         prior to the time  specified in Section Three and Section 4.1. Prior to
         the time such an Employee  becomes eligible to participate in the Plan,
         the Employee  shall be treated as a Participant  solely with respect to
         the amount in his or her Rollover Account.

                  4.2(2) Cash  credited to a Rollover  Account (i) shall be held
         by the Trustee  pursuant to the provisions of this Plan,  (ii) shall be
         fully  vested at all times and shall not be subject to  forfeiture  for
         any reason, (iii) shall be invested at the direction of the Employee in
         accordance  with the  provisions  of  Section  9.4,  and (iv)  shall be
         distributed  to the Employee,  Participant  or Beneficiary at such time
         and in the same manner as provided  in Section  Fifteen  hereof for the
         distribution  of a  Participant's  Accounts  under the Plan; and may be
         withdrawn in accordance with Section 6.7.

                  4.2(3) For purposes of this Section,  the term "Cash Transfers
         From  Another   Qualified   Plan"  means  amounts  which  are  properly
         characterized  as a  qualifying  rollover  distribution  received  by a
         person who is now

                                                       II-24
<PAGE>

                                                                     EXHIBIT 4.1

         an Employee,  from another  qualified plan,  which amounts are eligible
         for tax-free  rollover  treatment and which are  transferred in cash by
         the  Employee  to the  Trustee  of this  Plan  within  sixty  (60) days
         following receipt thereof or are transferred in cash directly from such
         qualified plan to this Plan;  amounts  transferred in cash to this Plan
         from an individual  retirement  account,  provided that the  individual
         retirement  account contains only assets previously  distributed from a
         qualified  plan,  which  amounts were  eligible  for tax-free  rollover
         treatment,   and  which  amounts  were  deposited  in  such  individual
         retirement  account  within  sixty  (60) days of receipt  thereof,  and
         amounts  distributed  to a  person  who  is  now an  Employee  from  an
         individual   retirement   account  meeting  the  requirements  of  this
         Subsection 4.2(3), and transferred in cash by the Employee to this Plan
         within  sixty  (60)  days of  receipt  thereof,  from  such  individual
         retirement account. Prior to accepting any cash transfers to which this
         Section applies, the Administrative  Committee may require the Employee
         to establish  that the amounts to be  transferred  in cash to this Plan
         meet the  requirements  of this  Section and may also  require that the
         Employee   provide  an  opinion   of   counsel   satisfactory   to  the
         Administrative  Committee that the amounts to be  transferred  meet the
         requirements  of this  Section and will not  jeopardize  the tax exempt
         status of this Plan or the Trust  Fund for any reason  (including,  but
         not  limited  to, the  failure of the  amount to be  excluded  from the
         definition of annual addition in Section 415(c)(2) of the Code; thereby
         causing the annual  addition  to the Account to exceed the  permissible
         limits  of  Section  415  of  the  Code,  or  to  create   adverse  tax
         consequences to a Participating Company.


                                  SECTION FIVE

                           ADMINISTRATION OF THE PLAN
                           --------------------------

         5.1  Responsibility  for Administration of the Plan. The Administrative
Committee shall be responsible for the management,  operation and administration
of the Plan.

         5.2 Appointment of Administrative  Committee. The Board of Directors of
the Sponsoring Company shall appoint an Administrative  Committee  consisting of
at least three (3) persons each of whom shall be employees of a Participating or
Affiliated  Company.  The  President  or an  appropriate  Vice  President of the
Sponsoring  Company shall certify to the Trustee the names of the members of the
Administrative  Committee.  A  member  of  the  Administrative  Committee  shall
automatically  cease to be a member  upon  termination  of  employment  with the
Participating  Company or Affiliated  Company.  Any member of the Administrative
Committee may resign upon ten (10) days' prior  written  notice to the President
of the  Sponsoring  Company.  The Board of Directors of the  Sponsoring  Company
shall be authorized to remove any member of the Administrative  Committee at any
time and in its sole discretion to appoint a successor whenever a vacancy on the
Administrative Committee occurs.

         5.3  Responsibility  for  Administration  of the Trust Fund.  Except as
otherwise  provided herein,  the Trustee shall be responsible for the management
and investment of the Trust Fund in accordance  with the provisions of the Trust
Agreement.

         5.4 Delegation of Powers. The Administrative Committee may appoint such
assistants or  representatives  as it deems necessary for the effective exercise
of its duties in administering the Plan and Trust. The Administrative  Committee
may delegate to such assistants and  representatives any powers and duties, both
ministerial and discretionary, as it deems expedient or appropriate.

         5.5  Records.   All  acts  and  determinations   with  respect  to  the
administration  of  the  Plan  made  by the  Administrative  Committee  and  any
assistants  or  representatives  appointed  by it shall be duly  recorded by the
Administrative  Committee or by the assistant or representative  appointed by it
to keep such records. All records,  together with such other documents as may be
necessary for the  administration of the Plan, shall be preserved in the custody
of the Administrative  Committee or the assistants or representatives  appointed
by it.

         5.6  General Administrative Powers.  The  Administrative  Committee  is
authorized to take such actions as may be necessary to carry out the  provisions
and purposes of the Plan and shall have the authority to control and manage

                                                       II-25
<PAGE>

                                                                     EXHIBIT 4.1

the operation and  administration  of the Plan in accordance  with its terms. In
order to effectuate the purposes of the Plan, the Administrative Committee shall
have the  discretionary  power to construe and interpret the Plan, to supply any
omissions therein,  to reconcile and correct any errors or  inconsistencies,  to
decide any questions in the  administration  and application of the Plan, and to
make equitable adjustments for any mistakes or errors made in the administration
of the Plan.  All such  actions  or  determinations  made by the  Administrative
Committee,  and the application of rules and regulations to a particular case or
issue by the  Administrative  Committee,  in good faith, shall not be subject to
review by anyone, but shall be final, binding and conclusive on all persons ever
interested  hereunder.  In construing the Plan and in exercising its power under
provisions  requiring  Administrative  Committee  approval,  the  Administrative
Committee  shall attempt to ascertain the purpose of the  provisions in question
and when such purpose is known or reasonably  ascertainable,  such purpose shall
be given effect to the extent feasible.  Likewise, the Administrative  Committee
is authorized to determine all questions with respect to the  individual  rights
of all  Participants  and their  Beneficiaries  and Alternate  Payees under this
Plan,  including,  but not limited to, all issues with  respect to  eligibility,
Compensation,  service,  valuation of Accounts,  allocation of contributions and
Trust Fund earnings,  retirement, Total and Permanent Disability, or Termination
of Employment,  eligibility for loans and hardship withdrawals, and shall direct
the Trustee  concerning the  allocation,  payment and  distribution of all funds
held in trust for  purposes  of the Plan.  The  Administrative  Committee  shall
establish  investment  objectives  and monitor,  or cause to be  monitored,  the
investment  performance  of the Trustee or any  Investment  Manager which may be
appointed  with  respect to any assets of the Plan,  and shall make such reports
and give such recommendations to the Board as it requests with respect thereto.

         5.7 Appointment of Professional  Assistants and Investment Manager. The
Administrative Committee may engage accountants,  attorneys, physicians and such
other  personnel  as it deems  necessary  or  advisable,  including  in its sole
discretion,  one or more Investment  Managers to manage  (including the power to
acquire or dispose of) all or any of the assets of the Trust.  The  functions of
any such persons engaged by the Administrative Committee shall be limited to the
specific services and duties for which they are engaged,  and such persons shall
have no other duties,  obligations or responsibilities  under the Plan or Trust.
Such persons shall exercise no discretionary  authority or discretionary control
respecting  the management of the Plan,  and,  unless  engaged  specifically  as
Investment Manager, shall exercise no authority or control respecting management
or disposition  of the assets of the Trust.  The fees and costs of such services
are an  administrative  expense  of the Plan to be paid out of the  Trust  Fund,
except  to  the  extent  that  such  fees  and  costs  are  paid  by  any of the
Participating Companies.

         5.8      Actions of the Administrative Committee.

                  5.8(1)  A  majority  of  the  members  of  the  Administrative
         Committee  shall  constitute a quorum for the  transaction of business,
         and  shall   have  full   power  to  act   hereunder.   Action  by  the
         Administrative  Committee  shall be official if approved by a vote of a
         majority  of  the  members  present  at  any  official   meeting.   The
         Administrative  Committee may, without a meeting,  authorize or approve
         any action by  written  instrument  signed by a majority  of all of the
         members.  Any written  memorandum signed by the Chairman,  or any other
         member of the  Administrative  Committee,  or by any other  person duly
         authorized  by the  Administrative  Committee to act, in respect of the
         subject matter of the memorandum,  shall have the same force and effect
         as a formal  resolution  adopted in open  meeting.  The  Administrative
         Committee  shall give to the  Trustee  any order,  direction,  consent,
         certificate  or advice  required  or  permitted  under the terms of the
         Trust  Agreement,  and the  Trustee  shall be  entitled  to rely on, as
         evidencing the action of the Administrative  Committee,  any instrument
         delivered to the Trustee when: (i) if a resolution,  it is certified by
         the Chairman and Secretary, or (ii) if a memorandum,  it is signed by a
         majority of all of the members of the Administrative Committee, or by a
         person who shall  have been  authorized  to act for the  Administrative
         Committee in respect of the subject matter thereof.

                  5.8(2) A member of the  Administrative  Committee may not vote
         or decide upon any matter relating solely to him or vote in any case in
         which his  individual  right or claim to any benefit  under the Plan is
         specifically  involved.  If,  in any case in  which  an  Administrative
         Committee member is so disqualified to act, the remaining  members then
         present cannot, by majority vote, act or decide, the Board will appoint
         a  temporary  substitute  member to  exercise  all of the powers of the
         disqualified member concerning the matter in which he is disqualified.


                                                       II-26
<PAGE>

                                                                     EXHIBIT 4.1

                  5.8(3) The Administrative  Committee shall maintain minutes of
         its  meetings and written  records of its actions,  and as long as such
         minutes and written records are maintained, members may participate and
         hold a meeting of the  Administrative  Committee by means of conference
         telephone or similar communications equipment which permits all persons
         participating in the meeting to hear each other.  Participating in such
         a meeting constitutes presence in person at such meeting.

         5.9  Directives  of the  Administrative  Committee.  Directives  of the
Administrative Committee to the Trustee shall be delivered in writing, signed by
an appropriate member of the Administrative Committee.

         5.10   Discretionary   Acts.   Any   discretionary   actions   of   the
Administrative  Committee  or any  Participating  Company  with  respect  to the
administration of the Plan shall be made in a manner which does not discriminate
in favor of  Highly  Compensated  Employees.  In the  event  the  Administrative
Committee exercises any discretionary authority under the Plan with respect to a
Participant who is a member of the Administrative  Committee, such discretionary
authority  shall be exercised  solely and  exclusively  by those  members of the
Administrative Committee other than such Participant, or, if such Participant is
the sole member of the Administrative  Committee,  such discretionary  authority
shall be  exercised  solely and  exclusively  by the Board of  Directors  of the
Sponsoring Company.

         5.11  Responsibility of Fiduciaries.  The members of the Administrative
Committee and their  assistants and  representatives  (other than any Investment
Manager)  shall be free from all  liability  for their  acts and  conduct in the
administration  of the Plan and Trust except for acts of willful  misconduct  or
gross negligence; provided, however, that the foregoing shall not relieve any of
them from any responsibility or liability for any responsibility,  obligation or
duty that they may have pursuant to ERISA.

         5.12  Indemnity  by  Participating  Companies.  In the event and to the
extent not insured  against  under any contract of  insurance  with an insurance
company,  the  Participating  Companies  shall  indemnify and hold harmless each
"Indemnified  Person," as defined  below,  against any and all claims,  demands,
suits, proceedings, losses, damages, interest, penalties, expenses (specifically
including,  but not limited to, counsel fees to the extent approved by the Board
of Directors of the Sponsoring Company or otherwise provided by law, court costs
and other  reasonable  expenses of  litigation),  and  liability  of every kind,
including  amounts  paid in  settlement,  with  the  approval  of the  Board  of
Directors of the Sponsoring Company,  arising from any action or cause of action
related  to the  Indemnified  Person's  act or acts  or  failure  to  act.  Such
indemnity  shall  apply  regardless  of whether  such  claims,  demands,  suits,
proceedings, losses, damages, interest, penalties, expenses, and liability arise
in whole or in part from (i) the  negligence  or other fault of the  Indemnified
Person,  except  when  the  same is  judicially  determined  to be due to  gross
negligence,  fraud,  recklessness,  a willful or intentional  misconduct of such
Indemnified Person or (ii) from the imposition on such Indemnified Person of any
penalties  imposed by the  Secretary  of Labor,  pursuant  to Section  502(1) of
ERISA,  relating to any  breaches of  fiduciary  responsibility  under Part 4 of
Title I of ERISA.  "Indemnified  Person"  shall mean each member of the Board of
Directors of the Sponsoring Company,  and the Administrative  Committee and each
other Employee who is allocated fiduciary responsibility hereunder.

         5.13  Payment of Fees and  Expenses.  The  Trustee,  the members of the
Administrative  Committee  and their  assistants  and  representatives  shall be
entitled  to payment or  reimbursement  for all  reasonable  costs,  charges and
expenses incurred in the  administration of the Plan and Trust,  including,  but
not  limited  to,  reasonable  fees for  accounting,  legal and  other  services
rendered,   to  the  extent  incurred  by  the  Trustee,   the  members  of  the
Administrative  Committee or their assistants and  representatives in the course
of performance of their duties under the Plan and the Trust. All costs,  charges
and expenses  incurred in the  administration of the Plan and the Trust shall be
paid  from  the  Trust  Fund  except  to the  extent  paid by the  Participating
Companies or any Affiliated Company.  Notwithstanding any other provision of the
Plan or Trust, no person who is a  "disqualified  person," within the meaning of
Section  4975(e)(2)  of the  Code  and  who  receives  full-time  pay  from  any
Participating Company shall receive compensation from the Trust Fund, except for
payment or reimbursement of expenses properly and actually incurred.

         5.14 Plan  Administrator.  The  Administrative  Committee  shall be the
"Plan  Administrator" (as defined in Section 3(16)(A) of ERISA) of the Plan, and
shall  be  responsible  for the  performance  of all  reporting  and  disclosure
obligations  under ERISA and all other  obligations  required or permitted to be
performed by the Plan Administrator under

                                                       II-27
<PAGE>

                                                                     EXHIBIT 4.1

ERISA and not  otherwise  delegated to other parties under the terms of the Plan
or the Trust Agreement. The Plan Administrator shall be the designated agent for
service of legal process.

         5.15   Allocation   and   Delegation   of   Administrative    Committee
Responsibilities.  The Administrative  Committee may upon approval of a majority
of the members of the  Administrative  Committee,  (i) allocate among any of the
members  of the  Administrative  Committee  any of the  responsibilities  of the
Administrative  Committee under the Plan, or (ii) designate any person,  firm or
corporation  that is not a member of the  Administrative  Committee to carry out
any of the responsibilities of the Administrative  Committee under the Plan. Any
such  allocation or designation  shall be made pursuant to a written  instrument
executed by a majority of the members of the Administrative Committee.


                                   SECTION SIX

                                    DEPOSITS
                                    --------

         6.1      Company Matching Deposits.

                  6.1(1)  Each  Participating   Company  shall  make  a  Company
         Matching  Deposit  to the  Trust for each  calendar  month in an amount
         equal to a specified percent of the Basic Before-Tax Deposits,  if any,
         made by such Participating Company during such calendar month on behalf
         of each  Active  Participant  employed  by such  Participating  Company
         during such  calendar  month.  The  specified  percentage  of the Basic
         Before-Tax  Deposits to be matched  for each Plan Year shall,  no later
         than December 1 of the preceding  Plan Year, be determined by the Board
         of  Directors  of the  Sponsoring  Company and be  communicated  to all
         Participants   and  all  Employees  who  will  be  eligible  to  become
         Participants in the Plan during such succeeding Plan Year. In addition,
         such  specified  percent may be  increased by the Board of Directors of
         the Sponsoring Company at any tune during the Plan Year.

                  6.1(2)  Notwithstanding  the foregoing,  in no event shall any
         Company Matching Deposit when added to any Before-Tax Deposits,  exceed
         the maximum permissible  contribution under Section 404(a) of the Code.
         All  contributions  of  the  Participating   Companies   hereunder  are
         conditioned  on their  deductibility  under Section 404(a) of the Code.
         The Participating Company's Company Matching Deposits to the Trust Fund
         shall be made in cash.  Company Matching  Deposits shall be made in the
         form of cash and deposited in Investment  Trust No. 1 (unless the Board
         of Directors of the Sponsoring Company directs otherwise).

                  6.1(3)  In  addition,  there  shall  be  paid  as a  separate,
         one-time Company  contribution an amount  appropriate to compensate for
         changing  stock  values in the  transfer  of assets from the Prior Plan
         that created a shortfall in the accounts of certain Participants.  Such
         Company  contribution  shall be allocated to Company  Matching  Deposit
         Accounts of Participants who had a portion of their Account transferred
         from the Prior Plan, allocated in the ratio that the amount transferred
         to the participant's matching Deposit Account as proceeds from the sale
         of Arkansas Best Corporation stock in the Prior Plan bears to the value
         of the total amount of such proceeds  transferred to all  Participants'
         Accounts.  Such  values  shall be  determined  in  accordance  with the
         procedures  established  in Section  8.3 for the  valuation  of Company
         Stock.  Notwithstanding  the foregoing,  in no event shall such Company
         contribution to any  Participant's  Account,  when added to any Company
         matching  Deposit  and any  Before-Tax  Deposits,  exceed  the  maximum
         permissible Contribution or Annual Addition, as described in Subsection
         6.1(2) and Section 7.4 of this Plan, and the allocation of such Company
         contribution to any  Participant's  account shall be further limited as
         necessary to comply with the requirements of Code Section 401(a)(4).


                                                       II-28
<PAGE>

                                                                     EXHIBIT 4.1

         6.2      Basic and Supplemental Before-Tax Deposits.

                  6.2(1) Each  Participant may have contributed on his behalf to
         the  Trust  Fund  each  month by salary  reduction  an  amount  ("Basic
         Before-Tax  Deposit")  which  shall be equal to one percent  (1%),  two
         percent  (2%),  three  percent  (3%),  or  four  percent  (4%)  of such
         Participant's  Compensation for such month, as such  Participant  shall
         elect on the written authorization form provided for herein. Any Active
         Participant  who  elects to have made on his  behalf  Basic  Before-Tax
         Deposits of four  percent (4%) of his  Compensation  for each month may
         also  elect to have  contributed  on his  behalf to the Trust Fund each
         month  by  salary   reduction  an  additional   amount   ("Supplemental
         Before-Tax  Deposit")  equal to from one percent (1%) to eleven percent
         (11%) of his Compensation;  provided,  however,  such percent must be a
         whole percent.  Any designated  Before-Tax  Deposits  (whether Basic or
         Supplemental Deposits or both) shall qualify as elective  contributions
         under Section 401(k) of the Code and the regulations thereunder.

                  6.2(2)  The   percentage   rate  of  Basic  and   Supplemental
         Before-Tax  Deposits,  if any, which each Active Participant elects and
         any changes  thereto  shall be made on a written  form  provided by and
         filed with the Administrative  Committee.  The Administrative Committee
         shall   establish   and   communicate   to   Employees    uniform   and
         nondiscriminatory  procedures  for the election of percentage  rates of
         Basic  and  Supplemental  Before-Tax  Deposits,   including  procedures
         regarding  the  effective  date of such  election,  and may change said
         procedures  at such  times  and in such  manner  as the  Administrative
         Committee may  determine to be necessary or desirable.  Any such change
         in procedures shall be communicated to Employees.

                  6.2(3)  An  Active   Participant's   Basic  and   Supplemental
         Before-Tax  Deposits shall be credited to his appropriate Account under
         the Plan.  Any  amounts of Basic or  Supplemental  Before-Tax  Deposits
         properly  credited to a Participant's  Accounts shall, for all purposes
         and in all respects, be fully vested and nonforfeitable.

         6.3 Date of Payment of Deposits. A Participating Company shall make its
Company  Matching  Deposits for a particular  period on or before the last date,
including any extensions thereof,  for filings its federal income tax return for
its  taxable  year  ending  with or after the last day of the Plan Year in which
such period  falls or at such earlier time and in such amount as directed by the
Administrative  Committee for the purpose of paying a Participant taking a final
distribution of the Company Match allocated to such Participant. A Participating
Company shall make all Basic and  Supplemental  Before-Tax  Deposits as provided
for in  Section  6.2  hereof  to the  Trust  Fund as  soon  as  administratively
practical following the deduction of such amounts from Active Participants' pay.

         6.4 Special  Limitations  on Before-Tax  Deposits.  This Section 6.4 is
effective September 1, 1991. The limitations described in this Section 6.4 shall
be determined in accordance with Code Sections 401(k) and 402(g) and regulations
thereunder,  which are  incorporated  by reference  to the extent not  expressly
stated below.

                  6.4(1) Notwithstanding any other provision of this Plan, in no
         event shall a  Participating  Company make  Before-Tax  Deposits in any
         Plan  Year  if such  contribution  would  cause  the  "Actual  Deferral
         Percentage"  (or "ADP") of Highly  Compensated  Employees to exceed the
         greater of the limitations indicated below:

                           (a)  One hundred  twenty-five  percent (125%)  of the
                  ADP for all Non-Highly Compensated Employees; or

                           (b)  The  lesser  of (i)  the  sum of the ADP for all
                  Non-Highly  Compensated  Employees  plus two percent  (2%), or
                  (ii) two hundred  percent 200%) of the ADP for all  Non-Highly
                  Compensated Employees.

                           Multiple use of the alternative  method  described in
                  this  paragraph  and in  Code  Section  401(m)(9)(A)  will  be
                  prevented  through the pro rata  reduction  of both the actual
                  deferral percentage and the actual contribution  percentage of
                  any Highly  Compensated  Employee eligible to make Before- Tax
                  Deposits  pursuant  to Section  6.2(1) and who is  eligible to
                  make employee  contributions  or to receive  Company  Matching
                  Deposits under this Plan.  Any reduction  under this paragraph
                  will be made

                                                       II-29
<PAGE>

                                                                     EXHIBIT 4.1

                  in accordance  with Sections 6.4(3) and 6.5(3) hereof and Code
                  Section 401(m) and Treasury Regulation Sections  1.401(m)-1(b)
                  and  1.401(m)-2,  the  provisions  of which  are  incorporated
                  herein by reference.

                  6.4(2)  The  Administrative   Committee  may,  to  the  extent
         necessary to conform the Before-Tax  Deposits to the above limitations,
         reduce  prospectively,  the  percentage  rates  or  dollar  amounts  of
         Before-Tax  Deposits  to  be  made  on  behalf  of  Highly  Compensated
         Employees.  Such  prospective  reductions may thereafter be adjusted by
         the  Administrative   Committee,   upon  due  notice  to  the  affected
         Participants, at any time thereafter to increase the elected percentage
         rates for those  Highly  Compensated  Employees  whose rates or amounts
         were previously  reduced in accordance  with this Subsection  6.4(2) if
         the  Administrative  Committee  shall determine that such increase will
         not cause the limits set forth in Subsection  6.4(1) to be exceeded for
         the Plan Year.  Any  decrease of a  Participant's  Before-Tax  Deposits
         under this Subsection  6.4(2) shall be in addition to and not otherwise
         affect such Participant's rights to change or suspend contributions.

                  6.4(3) In the event that  following the end of a Plan Year, it
         is  determined  by the  Administrative  Committee  that the  Before-Tax
         Deposits for Highly  Compensated  Employees  exceed the  limitations of
         Subsection  6.4(1),  then  the  amount  in  excess  of such  limitation
         ("Excess  Contributions") (and the income thereon) shall be distributed
         to the Highly Compensated Employees, notwithstanding any Plan provision
         to the contrary,  within the twelve (12) month period following the end
         of the Plan  Year in  which  such  Excess  Contributions  occurred.  In
         distributing Excess Contributions, the following rules shall apply. The
         Excess  Contributions  shall first be applied to reduce the  percentage
         rate elected by all those Highly Compensated Employees who have elected
         the  highest  percentage  rate of  Before-Tax  Deposits,  shall then be
         applied  to reduce the  percentage  rate  elected  by all those  Highly
         Compensated  Employees (including those Employees whose percentage rate
         or dollar amount was previously  reduced) whose elected percentage rate
         is at the next highest percentage rate of Before-Tax Deposits and shall
         thereafter  continue  to be  applied to the  extent  necessary  in like
         manner in  descending  order on the basis of elected  percentage  rates
         until the reductions  enable the Before-Tax  Deposits to conform to the
         limitations of Subsection 6.4(1). The amount of Excess Contributions to
         be distributed to each affected Highly Compensated Employee is equal to
         the Before-Tax  Deposits on behalf of such Employee (prior to reduction
         of the Excess  Contributions)  less the product of such  Employee's ADP
         (after reduction of the Excess  Contributions) times such Participant's
         Total Compensation, rounded to the nearest one cent ($.01).

                  The  amount of Excess  Contributions  that may be  distributed
         under this  Subsection  6.4(3)  with  respect  to a Highly  Compensated
         Employee for a Plan Year shall be reduced by any Excess  Deferrals  (as
         defined in Subsection 6.4(7)) attributable to such Plan Year previously
         distributed to the Employee.  In the event a distribution of Before-Tax
         Deposits  constitutes  a  distribution  of Excess  Contributions  and a
         distribution of Excess  Deferrals  pursuant to Subsection  6.4(7),  the
         amounts distributed shall be treated as a simultaneous  distribution of
         both Excess Contributions and Excess Deferrals.

                  6.4(4) In  determining  the amount of income or loss allocable
         to Excess  Contributions  which are being  distributed,  the  following
         rules shall apply:

                           (a)  The   income   or  loss   allocable   to  Excess
                  Contributions for the Plan Year in which the contributions are
                  made is the income for the Plan Year  allocable to  Before-Tax
                  Deposits  and  amounts  treated as  Before-Tax  Deposits  with
                  respect to the Highly  Compensated  Employee,  multiplied by a
                  fraction,  the  numerator  of which is the  amount  of  Excess
                  Contributions   made  on  behalf  of  the  Highly  Compensated
                  Employee for the Plan Year and the denominator of which is the
                  combined balance of the aggregate of the  Participant's  Basic
                  Before-Tax Deposit Account and Supplemental Before-Tax Deposit
                  Account as of the end of the Plan Year  before  adjustment  of
                  such Accounts as provided for in Section 9.3.

                           (b) No  income  or loss  shall  be  allocable  to the
                  Excess  Contributions  for the period  between  the end of the
                  Plan Year and the date of the distribution.


                                                       II-30
<PAGE>

                                                                     EXHIBIT 4.1

                           For purposes of this Subsection 6.4(4), the income of
                  the Plan shall mean all earnings,  gains and losses,  computed
                  in accordance with the provisions of Section Eight.

                  6.4(5)  Notwithstanding  anything  to the  contrary  contained
         herein, in the case of a Highly Compensated  Employee who is part of an
         Aggregated  Family  Group,  as defined  in  Subsection  6.4(8)(f),  the
         following rules shall apply:

                           (a) The ADP for the  Aggregated  Family  Group (which
                  shall be  treated  as a single  Highly  Compensated  Employee)
                  shall be the ADP  determined  by  aggregating  the  Before-Tax
                  Deposits  and Total  Compensation  of all Family  Members,  as
                  defined in Subsection  6.4(8)(f),  who are Eligible Employees.
                  Otherwise,  the Before Tax Deposits and Total  Compensation of
                  all Family Members are disregarded for purposes of determining
                  the ADP for the Highly Compensated Employees,  as a group, and
                  the Non-Highly Compensated Employees as a group.

                           (b) If the  ADP of the  Aggregated  Family  Group  as
                  determined  under  Subsection   6.4(5)(a)  above  exceeds  the
                  limitations of Subsection  6.4(1), the ADP shall be reduced as
                  provided  in  Subsection  6.4(3) in order to  comply  with the
                  limitations  of Subsection  6.4(1),  and Excess  Contributions
                  shall  be  allocated  among  all  of  the  Family  Members  in
                  proportion to each such Family Member's Before-Tax Deposits.

                  6.4(6) In  addition to or in lieu of the above  procedures  to
         conform  Before-Tax  Deposits to the limitations of Subsection  6.4(1),
         the  Sponsoring  Company  may,  in  its  sole  discretion,   cause  the
         Participating  Companies  to  contribute  on behalf  of any  Non-highly
         Compensated  Employee additional  contributions (which shall be treated
         as Supplemental  Before-Tax Deposits) to the extent necessary to insure
         that the  limitations  of Subsection  6.4(1) are met.  Such  additional
         contributions  shall be  immediately  fully  vested and  subject to the
         distribution   restrictions  of  Section  15.8  hereof,  applicable  to
         Before-Tax Deposits. Such additional  contributions shall be treated as
         Before-Tax  Deposits only if the  requirements  of Treasury  Regulation
         Section 1.401(k)-1(b)(5) (or any successor thereto) are met.

                  6.4(7) Notwithstanding  anything herein to the contrary, in no
         event shall the Participating  Employer make Before-Tax Deposits in any
         calendar year on behalf of any Participant if such  contribution  would
         cause the  Before-Tax  Deposits for such  Participant  for the calendar
         year to exceed  Seven  Thousand  Dollars  ($7,000),  or such  amount as
         adjusted by the  Secretary  of the Treasury or his delegate at the same
         time and in the same manner as under Code  Section  415(d).  Should any
         Before-Tax  Deposits made to the Plan by the Participating  Employer on
         behalf of a Participant  exceed Seven  Thousand  Dollars  ($7,000),  as
         adjusted by the  Secretary  of the Treasury or his delegate at the same
         time and in the same  manner  as under  Code  Section  415(d)  ("Excess
         Deferrals"),  the  Administrative  Committee may distribute such Excess
         Deferrals (and income thereon) to such Participant, notwithstanding any
         Plan  provision to the  contrary,  by the April 15 next  following  the
         calendar year in which such Excess Deferral is made. The Administrative
         Committee is authorized to establish  such rules as may be necessary to
         provide for  distribution  of Excess  Deferrals  (and  income  thereon)
         caused  by an  individual's  participation  in more  than  one  cash or
         deferred  arrangement  where  the total  deferrals  exceed  the  amount
         referred to above and the  individual  allocates  part of the aggregate
         Excess Deferral to this Plan as permitted by law.

                  In  determining  the  amount of income  or loss  allocable  to
         Excess Deferrals, the following rules shall apply:

                           (a) The income or loss allocable to Excess  Deferrals
                  for the calendar  year in which the  deferrals are made is the
                  income  or loss  for the Plan  Year  allocable  to  Before-Tax
                  Deposits for the  Participant  multiplied  by a fraction,  the
                  numerator of which is the amount of Excess  Deferrals  made on
                  behalf  of  the   Participant   for  the  Plan  Year  and  the
                  denominator   of  which  is  the  aggregate   balance  of  the
                  Participant's    Basic   Before-Tax    Deposit   Account   and
                  Supplemental  Before-Tax  Deposit Account as of the end of the
                  Plan Year before  adjustment  of such Accounts as provided for
                  in Section 9.3.


                                                       II-31
<PAGE>

                                                                     EXHIBIT 4.1

                           (b) No  income  or loss  shall  be  allocable  to the
                  Excess  Deferrals  for the period  between the end of the Plan
                  Year and the date of the distribution.

                                    For purposes of this Subsection  6.4(7), the
                  income or loss of the Plan shall mean all earnings,  gains and
                  losses  computed in accordance  with the provisions of Section
                  Eight.

                                    The amount of Excess  Deferrals  that may be
                  distributed  under this  Subsection  6.4(7) with  respect to a
                  Highly  Compensated  Employee  for a  calendar  year  shall be
                  reduced by any Excess Contributions  previously distributed to
                  the   Employee   during  such  Plan  Year.   In  the  event  a
                  distribution of Before-Tax Deposits constitutes a distribution
                  of Excess  Contributions  pursuant to Subsection  6.4(3) and a
                  distribution of Excess  Deferrals  pursuant to this Subsection
                  6.4(7),  the  amounts   distributed  shall  be  treated  as  a
                  simultaneous  distribution  of both Excess  Contributions  and
                  Excess Deferrals.

                  6.4(8)   For purposes of this Section 6.4 and Section 6.5, the
         following terms shall have the following meanings:

                           (a) "Actual  Deferral  Percentage"  (or "ADP")  shall
                  mean for the Highly Compensated Employees, as a group, and for
                  the Non-Highly Compensated Employees,  as a group, the average
                  of the ratios (calculated separately for each Employee in such
                  group) of the Before-Tax  Deposits,  if any, made on behalf of
                  each such Employee for each Plan Year, to the Employee's Total
                  Compensation,  as defined in  Subsection  6.4(8)(e),  for such
                  Plan Year.  ADP for each  group,  and the ratio of Before- Tax
                  Contributions to Total Compensation for each individual, shall
                  be calculated to the nearest 100th of one percent.

                                    In  calculating  ADP,   Before-Tax  Deposits
                  shall be  taken  into  account  for a Plan  Year  only if such
                  Before-Tax  Deposits:  (i) relate to Total  Compensation  that
                  would have been received by the Employee during such Plan Year
                  (but for the salary reduction  election) or is attributable to
                  services  performed by the Employee  during such Plan Year and
                  would  have  been  received  by the  Employee  within  two and
                  one-half (2 1/2) months after the close of such Plan Year (but
                  for the salary reduction agreement); and (ii) are allocated to
                  the Employee  during such Plan Year.  Before-Tax  Deposits are
                  treated as  allocated  as of a  particular  date during a Plan
                  Year if allocation of such  contribution  is not contingent on
                  participation in the Plan or the performance of services after
                  such date and such contribution is paid to the Trust not later
                  than twelve (12) months after the close of such Plan Year.

                                    In   calculating   the   ADP  of  a   Highly
                  Compensated  Employee who  participates  in more than one plan
                  maintained by an Affiliated  Company,  all elective  deferrals
                  (as defined in Section 401(m)(4) of the Code) of such Employee
                  shall  be  aggregated   for  purposes  of   determining   such
                  percentage.

                                    In calculating  ADP, all elective  deferrals
                  (as  defined  in  Section  401(m)(4)  of the Code) to any plan
                  required to be  aggregated  with the Plan for purposes of Code
                  Section  401(a)(4) or 410(b) shall be treated as if made under
                  the Plan. If the Plan is permissively  aggregated with another
                  plan in order to comply  with the  limitations  of  Subsection
                  6.4(1),  such aggregated plans must also meet the requirements
                  of Code Sections 401(a)(4) and 410(b) as a single plan.

                           (b)  "Highly  Compensated  Employee"  shall  mean any
                  Eligible  Employee  who is a highly  compensated  employee  as
                  defined in Code Section 414(q) and the regulations thereunder.
                  Generally,  any  Eligible  Employee  is  considered  a  Highly
                  Compensated Employee if such Eligible Employee:

                                    (i) Was at any time during the current  Plan
                           Year or the prior Plan Year, a "five  percent  owner"
                           as defined in  Section  416(i)(1)(B)(i)  of the Code,
                           with respect to a Participating Company;


                                                       II-32
<PAGE>

                                                                     EXHIBIT 4.1

                                    (ii) received  Limitation Year  Compensation
                           from   a   Participating   Company   in   excess   of
                           Seventy-Five  Thousand Dollars  ($75,000) as adjusted
                           by the  Secretary  of  Treasury  pursuant  to Section
                           414(q)(1) of the Code during the prior Plan Year;

                                    (iii) received  Limitation Year Compensation
                           from a  Participating  Company  in  excess  of  Fifty
                           Thousand   Dollars   ($50,000)  as  adjusted  by  the
                           Secretary of Treasury  pursuant to Section  414(q)(1)
                           of  the  Code,  and  was  in the  top-paid  group  of
                           Employees  during the prior Plan Year. An Employee is
                           in the top-paid  group of Employees for any Plan Year
                           if such  Employee is in the group  consisting  of the
                           top twenty percent (20%) of the Employees when ranked
                           on the basis of  Limitation  Year  Compensation  paid
                           during the Plan Year. For purposes of determining the
                           number of Employees in the top-paid group,  Employees
                           who have not  completed  six (6)  months of  service,
                           normally  work less than  seventeen  and one-half (17
                           1/2) hours per week,  normally work during six (6) or
                           less months per year,  have not  attained  the age of
                           twenty-one  (21),  are  nonresident  aliens  with  no
                           earned  income from sources  within the United States
                           (within  the  meaning  of  Section  861(a)(3)  of the
                           Code), or are included in a unit of employees covered
                           by a collective  bargaining  agreement (except to the
                           extent  provided  in   regulations),   shall  not  be
                           included;

                                    (iv)  is  an  officer  of  a   Participating
                           Company who received Limitation Year Compensation for
                           a Plan Year in excess of fifty  percent  (50%) of the
                           amount in effect under Code Section  415(b)(1)(A) for
                           such  Plan  Year (if no  officer  of a  Participating
                           Company has Limitation Year Compensation in excess of
                           such   amount,   the   officer   having  the  highest
                           Limitation Year Compensation for such Plan Year shall
                           be  treated  as an  officer).  For  purposes  of this
                           Subsection,  not more than fifty (50)  Employees (or,
                           if less,  the greater of three (3)  Employees  or ten
                           percent  (10%)  of  Employees)  shall be  treated  as
                           officers.

                                    (v)  An   Eligible   Employee   who  is  not
                           described  in  (ii),  (iii)  or  (iv)  above  for the
                           immediately   preceding   Plan  Year  shall  only  be
                           considered  a Highly  Compensated  Employee  if he is
                           among  the 100  highest  paid  Employees  during  the
                           current Plan Year.

                  For  purposes of this  Section 6.4 and  Section  6.5:  (i) the
                  determination of "Limitation Year Compensation"  shall include
                  amounts  deferred  pursuant to Code Sections  125,  401(k) and
                  403(b),   (ii)  Limitation  Year  Compensation  shall  include
                  compensation  paid by any employer  required to be  aggregated
                  with a Participating Company under Section 414(b), (c), (m) or
                  (o) of  the  Code,  and  (iii)  a  Former  Employee  who is an
                  Eligible  Employee  shall be treated  as a Highly  Compensated
                  Employee  if such  Former  Employee  was a Highly  Compensated
                  Employee when he separated from service with the Participating
                  Company or was a Highly Compensated Employee at any time after
                  attaining age fifty- five (55). "Former Employee" shall mean a
                  person  who has  been an  Employee,  but who  ceased  to be an
                  Employee for any reason and later returned to employment  with
                  the Participating Company.

                           (c) "Non-Highly Compensated Employee" shall mean each
                  Eligible Employee who is not a Highly Compensated Employee.

                           (d)  "Eligible  Employee"  shall  mean each  Eligible
                  Employee who has completed the service requirements of Section
                  3.01 and is  eligible to become a  Participant  and each other
                  Employee who is an Active Participant.

                           (e)  "Total  Compensation"  shall  mean  compensation
                  received by an Eligible Employee for the Plan Year in question
                  from an Affiliated Company which is required to be reported as
                  wages for income tax purposes on the Eligible  Employee's Form
                  W-2  plus,  if  elected  by the  Administrative  Committee  in
                  accordance with Treasury  Regulations,  any amount that is not
                  currently  includable in the Eligible  Employee's gross income
                  by reason of a deferral pursuant to Sections 125 and 401(k) of
                  the Code. In the event an Employee  begins,  resumes or ceases
                  to be an Eligible Employee during a Plan

                                                       II-33
<PAGE>

                                                                     EXHIBIT 4.1

                  Year, the amount of the Employee's Total Compensation for only
                  the  portion  of the Plan  Year in  which  he was an  Eligible
                  Employee  shall be taken into account for purposes of Sections
                  6.4 and 6.5.  Effective  for periods prior to January 1, 1994,
                  Total  Compensation  shall be limited to Two Hundred  Thousand
                  Dollars  ($200,000) or such higher amount to which such amount
                  shall be  adjusted  by the  Secretary  of the  Treasury or his
                  delegate pursuant to Section 401(a)(17) of the Code. Effective
                  January 1, 1994,  Total  Compensation  shall be limited to One
                  Hundred  Fifty  Thousand  Dollars  ($150,000)  or such  higher
                  amount to which such amount shall be adjusted by the Secretary
                  of the Treasury or his delegate pursuant to Section 401(a)(17)
                  of the Code.

                           (f)  "Aggregated  Family  Group"  shall mean a family
                  group required to be aggregated  under Code Section  414(q)(6)
                  and regulations thereunder and shall include any member of the
                  family,  as defined in Code Section  414(q)(6) and regulations
                  thereunder,  of either (i) a five percent (5%) owner,  or (ii)
                  one of the ten  (10)  Highly  Compensated  Employees  paid the
                  greatest  Limitation  Year  Compensation  for the current Plan
                  Year. Any spouse, lineal ascendant, lineal descendent,  spouse
                  of a lineal  ascendant,  or spouse of a lineal  descendent  of
                  such a Highly  Compensated  Employee (a "Family Member") shall
                  be included in the "Aggregated Family Group."

                  6.4(9)  Notwithstanding  anything to the contrary in the Plan,
         to the extent a Participant's  Before-Tax  Deposits for a Plan Year are
         reduced and refunded to him pursuant to Subsection 6.4(3) or Subsection
         7.4(4),  such refunded  amounts shall be disregarded in determining the
         amount of Company Matching  Deposits to which a Participant is entitled
         for the Plan Year.

         6.5 Special  Limitation on Company Matching  Deposits.  The limitations
described  in this  Section  6.5  shall be  determined  in  accordance  with the
applicable  sections  of the Code and  regulations  thereunder.  Notwithstanding
anything to the contrary in this Section 6.5 or in Section 6.4, the  limitations
of  Subsection  6.4 or 6.5 shall be reduced to the extent  required  by Treasury
Regulation Section 1.401(m)-2 (or any successor thereto).

                  6.5(1)  Notwithstanding  any other provision of this Plan, the
         "Actual  Contribution   Percentage"  (or  "ACP")  of  Company  Matching
         Deposits made to this Plan for Highly Compensated  Employees during any
         Plan Year  shall not exceed the  greater of the  limitations  indicated
         below:

                           (a)  One  hundred twenty-five  percent (125%)  of the
                  ACP for all Non-Highly Compensated Employees; or

                           (b)  The  lesser  of (i)  the  sum of the ACP for all
                  Non-Highly  Compensated  Employees  plus two percent  (2%), or
                  (ii) two hundred  percent (200%) of the ACP for all Non-Highly
                  Compensated   Employees.   However,   multiple   use   of  the
                  alternative  method  described in this  paragraph  and in Code
                  Section  401(m)(9)(A)  will be prevented  through the pro rata
                  reduction  of both  the  actual  deferral  percentage  and the
                  actual  contribution  percentage  of  any  Highly  Compensated
                  Employee  eligible  to make  Before-Tax  Deposits  pursuant to
                  Section   6.2(1)  and  who  is  eligible   to  make   employee
                  contributions  or to receive Company  Matching  Deposits under
                  this Plan. Any reduction  under this paragraph will be made in
                  accordance  with  Sections  6.4(3) and 6.5(3)  hereof and Code
                  Section 401(m) and Treasury Regulation Sections  1.401(m)-1(b)
                  and  1.401(m)-2,  the  provisions  of which  are  incorporated
                  herein by reference.

                  6.5(2)  The  Administrative  Committee  shall,  to the  extent
         necessary to conform to the  limitations of Subsection  6.5(1),  reduce
         prospectively,  the  percentage  rates or  dollar  amounts  of  Company
         Matching Deposits to be made on behalf of Highly Compensated Employees.
         Such   prospective   reductions  may  thereafter  be  adjusted  by  the
         Administrative Committee, upon due notice to the affected Participants,
         at any time  thereafter  to increase the elected  percentage  rates for
         those Highly Compensated  Employees whose rates were previously reduced
         in  accordance  with this  subsection if the  Administrative  Committee
         shall  determine that such increase will not cause the limits set forth
         in this subsection to be exceeded for the Plan Year.


                                                       II-34
<PAGE>

                                                                     EXHIBIT 4.1

                  6.5(3) In the event that  following  the end of the Plan Year,
         it is  determined  by the  Administrative  Committee  that the  Company
         Matching   Deposits  for  Highly   Compensated   Employees  exceed  the
         limitations  of  Subsection  6.5(1),  then the amount in excess of such
         limitation  ("Excess  Aggregate  Contributions")  (and income  thereon)
         shall be  distributed to the Highly  Compensated  Employees who are one
         hundred percent (100%) vested in such amounts, notwithstanding any Plan
         provision to the contrary,  within the twelve months  following the end
         of the Plan Year in which such Excess Aggregate Contributions occurred.
         In the case of any Highly  Compensated  Employee who is not one hundred
         percent (100%) vested in his Company  Matching  Deposit  Account,  such
         excess amount shall be treated as a forfeiture  under Section 14.4. The
         Excess  Aggregate  Contributions  shall  first be applied to reduce the
         percentage rate elected by all those Highly  Compensated  Employees who
         have elected the highest  percentage rate of Company Matching Deposits,
         shall  then be applied to reduce  the  percentage  rate  elected by all
         those Highly  Compensated  Employees  (including  those Employees whose
         percentage rate was previously  reduced) whose elected  percentage rate
         is at the next highest  percentage rate of Company  Matching  Deposits,
         and shall thereafter  continue to be applied to the extent necessary in
         like  manner in  descending  order on the basis of  elected  percentage
         rates  until the  reductions  enable the Company  Matching  Deposits to
         conform to the limitations of Subsection  6.5(1).  The amount of Excess
         Aggregate  Contributions  to be  distributed  to each  affected  Highly
         Compensated  Employee  is equal to the  Company  Matching  Deposits  on
         behalf of such  Employee  (prior to reduction  of the Excess  Aggregate
         Contributions),   less  the  product  of  such  Employee's  ACP  (after
         reduction   of  the   Excess   Aggregate   Contributions)   times  such
         Participant's  Total  Compensation,  rounded  to the  nearest  one cent
         ($.01).

                  6.5(4) In  determining  the amount of income or loss allocable
         to Excess  Aggregate  Contributions  which are being  distributed,  the
         following rules shall apply:

                           (a) The income or loss allocable to Excess  Aggregate
                  Contributions for the Plan Year in which the contributions are
                  made is the  income  or loss for the Plan  Year  allocable  to
                  Company   Matching   Deposits   with  respect  to  the  Highly
                  Compensated  Employee multiplied by a fraction,  the numerator
                  of which is the amount of Excess Aggregate  Contributions made
                  on behalf of the Highly Compensated Employee for the Plan Year
                  and the  denominator  of which is the  balance of the  Company
                  Matching  Deposits  Account  attributable to Company  Matching
                  Deposits as of the end of the Plan Year.

                           (b) No  income  or loss  shall  be  allocable  to the
                  Excess Aggregate  Contributions for the period between the end
                  of the Plan Year and the date of the distribution.

         For purposes of this Subsection  6.5(4), the income or loss of the Plan
         shall mean all earnings,  gains and losses  computed in accordance with
         the provisions of Section Eight.

                  6.5(5)  Notwithstanding  anything  to the  contrary  contained
         herein, in the case of a Highly Compensated  Employee who is part of an
         Aggregated Family Group, the following rules shall apply:

                           (a) The ACP for the  Aggregated  Family  Group (which
                  shall be treated as a Single Highly Compensated Employee),  as
                  defined in Subsection  6.4(8)(e),  shall be the ACP determined
                  by  aggregating  the  Company  Matching   Deposits  and  Total
                  Compensation of all Family  Members,  as defined in Subsection
                  6.4(8)(e), who are Eligible Employees.  Otherwise, the Company
                  Matching Deposits and Total Compensation of all Family Members
                  are  disregarded  for purposes of determining  the ACP for the
                  Highly Compensated  Employees,  as a group, and the Non-Highly
                  Compensated Employees, as a group.

                           (b) If the  ACP of the  Aggregated  Family  Group  is
                  determined   under   Subsection   6.5(5)(a)   above   and  the
                  limitations of Subsection  6.5(1) are exceeded,  the ACP shall
                  be reduced as provided in Subsection 6.5(3) in order to comply
                  with  the  limitations  of  Subsection   6.5(1),   and  Excess
                  Aggregate  Contributions  shall be allocated  among all of the
                  Family  Members in  proportion  to each such  Family  Member's
                  Company Matching Deposits.


                                                       II-35
<PAGE>

                                                                     EXHIBIT 4.1

                  6.5(6) In  addition to or in lieu of the above  procedures  to
         conform  Company  Matching  Deposits to the  limitations  of Subsection
         6.5(1), the Sponsoring  Company may, in its sole discretion,  cause the
         Participating  Companies  to  contribute  on behalf  of any  Non-highly
         Compensated  Employee additional  contributions (which shall be treated
         as Supplemental  Before-Tax Deposits) to the extent necessary to insure
         that the  limitations  of Subsection  6.5(1) are met.  Such  additional
         contributions  shall be  immediately  fully  vested and  subject to the
         distribution   restrictions  of  Section  15.8  hereof,  applicable  to
         Before-Tax Deposits. Such additional  contributions shall be treated as
         Before-Tax  Deposits only if the  requirements  of Treasury  Regulation
         Section  1.401(m)-1(b)(5)  (or  any  successor  thereto)  are  met.  In
         addition,  the Administrative  Committee may designate that all or part
         of the Before-Tax  Deposits shall be included in the calculations under
         Subsection  6.5(1)  (any  such  amounts  shall not be  included  in the
         calculations  under Subsection  6.4(1)) provided such use complies with
         the requirements of Treasury  Regulation Section  1.401(m)-1(b)(2)  (or
         any successor thereto).

                  6.5(7)   For purposes of this Section 6.5  the following terms
         shall have the following meaning:

                           (a) "Actual Contribution Percentage" (or "ACP") shall
                  mean for the Highly Compensated Employees, as a group, and for
                  the Non-Highly Compensated Employees,  as a group, the average
                  of the ratios (calculated separately for each Employee in such
                  group) of the amount of Company Matching  Deposits paid to the
                  Trust  for  each  such  Employee  for  each  Plan  Year to the
                  Employee's  Total  Compensation,   as  defined  in  Subsection
                  6.4(8)(d), for such Plan Year.

                                    In  calculating   ACP,  a  Company  Matching
                  Deposit  shall be taken into  account  for a Plan Year only if
                  such  Contribution:  (i) is made on account of the  Employee's
                  Before-Tax  Deposits  for the Plan Year,  (ii) is allocated to
                  the Employee  during such Plan Year,  and (iii) is paid to the
                  Trust not later than the last day of the twelfth  (12th) month
                  following the close of such Plan Year.

                                    In    calculating    ACP,    all    employee
                  contributions and employer matching  contributions (as defined
                  in Section  401(m)(4)  of the Code) of any Highly  Compensated
                  Employee who  participates in more than one plan maintained by
                  an  Affiliated  Company  shall be  aggregated  for purposes of
                  determining such percentage.

                                    In    calculating    ACP,    all    employee
                  contributions and employer matching  contributions (as defined
                  in Section  401(m)(4) of the Code) to any plan  required to be
                  aggregated   with  the  Plan  for  purposes  of  Code  Section
                  401(a)(4)  or 410(b)  shall be  treated  as if made  under the
                  Plan. If the Plan is permissively aggregated with another plan
                  in order to comply with the limitations of Subsection  6.5(1),
                  such aggregated  plans must also meet the requirements of Code
                  Sections 401(a)(4) and 410(b) as a single plan.

                           (b)    "Highly   Compensated   Employee,"   "Eligible
                  Employee,"    "Non-Highly   Compensated   Employee,"    "Total
                  Compensation," "Aggregated Family Group," and  "Family Member"
                  shall all have the meanings set forth in Subsection 6.4(8).

         6.6 Right to Change Rate of, Resume or Discontinue Before-Tax Deposits.

                  6.6(1) An  Active  Participant  may  voluntarily  suspend  his
         Before-Tax  Deposits at any time by  delivering  to the  Administrative
         Committee  written   notification  of  his  election  to  suspend  said
         contributions   on  the  form   prescribed  for  that  purpose  by  the
         Administrative  Committee.  No suspension of Basic Before-Tax  Deposits
         shall be effective  unless the Participant has already  suspended or is
         simultaneously  suspending his Supplemental  Before-Tax  Deposits.  Any
         such  suspension  shall be effective as of the first day of the payroll
         period next  following  the date which is seven (7) days after the date
         the Administrative Committee receives such written notification.

                  6.6(2) A  Participant  may, in  accordance  with this Section,
         change  the rate of the  Before-Tax  Deposits  made to the Trust on his
         behalf to another rate permitted under Section 6.2, or to resume having
         made

                                                       II-36
<PAGE>

                                                                     EXHIBIT 4.1

         Before-Tax  Deposits in any amount  permitted under Section 6.2, to the
         Trust on his behalf  provided that (i) any such change of rate shall be
         effective on the first day of the  calendar  month next  following  the
         date  written  notice of such change is received by the  Administrative
         Committee,  and (ii) any such change shall be in whole  percentages  of
         the Participant's Compensation. A Participant who desires to change the
         rate of or to resume such  contributions must notify the Administrative
         Committee  thereof in writing on forms specified by the  Administrative
         Committee.

         6.7      Withdrawals from Participant Accounts.

                  6.7(1)  Subject to the  provisions of  Subsections  6.7(2) and
         6.7(3), Section 15.3 and Subsection 29.3(3) hereof, a Participant, upon
         or after attaining age fifty-nine and one-half (59 1/2) or upon meeting
         the  conditions  of  hardship,   may  withdraw  the  following  amounts
         (determined as of the most recently available Valuation Date coincident
         with or next following the date a written  request for such  withdrawal
         is  received  by  the  Administrative  Committee)  from  the  following
         Accounts  in  the  following  order:  (i)  all or  any  portion  of the
         Participant's   previously  unwithdrawn  Cash  Transfers  From  Another
         Qualified  Plan  credited  to his  Rollover  Account,  (ii)  all or any
         portion of the current value of previously  unwithdrawn earnings in the
         Participant's  Rollover  Account,  (iii)  all  or  any  portion  of the
         Participant's  previously unwithdrawn Supplemental Before-Tax Deposits,
         and (iv) all or any portion of the Participant's previously unwithdrawn
         Basic  Before-Tax  Deposits.  No  amount  shall  be  withdrawn  under a
         succeeding  clause  until all amounts  which may be  withdrawn  under a
         preceding  clause  have  been  withdrawn   (which   withdrawal  may  be
         simultaneous   with  the   withdrawal   under  a  succeeding   clause).
         Notwithstanding the foregoing,  in no event shall a hardship withdrawal
         of  any  amount  allocated  to a  Participant's  Accounts  pursuant  to
         Subsection  6.4(6) or 6.5(6) or of any earnings or gains  credited to a
         Participant's Before- Tax Deposits be permitted.

                  The following  provisions shall apply with respect to hardship
         withdrawals:

                           (a)  Application  for  withdrawal  must  be  made  in
                  writing on a form  approved by the  Administrative  Committee,
                  and must set out in detail the circumstances establishing that
                  the proposed withdrawal is for a Permitted Purpose.

                           (b) The Administrative  Committee's  determination of
                  whether the application meets the requirements of this section
                  and the Code and  regulations  thereunder  shall be final  and
                  conclusive,   and   in   making   such   determination,    the
                  Administrative    Committee    shall   follow    uniform   and
                  nondiscriminatory rules.

                           (c) If the Administrative Committee is satisfied that
                  the application meets the requirements of this section and the
                  Code and  regulations  thereunder,  the  application  shall be
                  granted.

                           (d) The  expression  "Permitted  Purpose," as used in
                  this Subsection 6.7(1),  means a withdrawal which is necessary
                  in  light  of  immediate  and  heavy  financial  need  of  the
                  Participant which is (i) due to medical expenses  described in
                  Code   Section   213   incurred   by  the   Participant,   the
                  Participant's spouse or dependents (as defined in Code Section
                  152) or  necessary  for such persons to obtain  medical  care,
                  (ii) for purchase of a principal residence of the Participant,
                  (iii) for  payment of tuition  for the next twelve (12) months
                  of  post-secondary  education  for  the  Participant  or  such
                  Participant's   immediate  family,   (iv)  needed  to  prevent
                  eviction of the  Participant  from his principal  residence or
                  foreclosure  on the  mortgage of the  Participant's  principal
                  residence,  or (v) such other  purposes  as  permitted  by the
                  Commissioner  of the Internal  Revenue  Service.  Such payment
                  shall  not  be  made  unless  the  Committee   determines  the
                  Participant  has  obtained  all   distributions   (other  than
                  hardship  distributions)  and all nontaxable  loans  currently
                  available  under all  plans  maintained  by the  Participating
                  Company or any Affiliated  Company,  and in no event will such
                  payment  exceed the  amount  required  to meet such  financial
                  need.


                                                       II-37
<PAGE>

                                                                     EXHIBIT 4.1

                           (e) A  distribution  will not be deemed  necessary in
                  light of immediate and heavy  financial  need of a Participant
                  to the extent the amount of the  distribution  is in excess of
                  the amount  required to relieve the  financial  need or to the
                  extent  such  need  can  be  satisfied  from  other  resources
                  reasonably available to the Participant,  as determined by the
                  Administrative  Committee on the basis of all  relevant  facts
                  and   circumstances.   In  making  such   determination,   the
                  Administrative  Committee may rely on a  certification  by the
                  Participant  that the financial  need cannot be relieved:  (i)
                  through   reimbursement   or   compensation  by  insurance  or
                  otherwise, (ii) by reasonable liquidation of the Participant's
                  (or the Participant's spouse's or minor children's) assets, to
                  the extent such liquidation would not itself cause a hardship,
                  (iii)  by  ceasing   Before-Tax   Deposits   to  the  Plan  or
                  contributions  to other plans, or (iv) by other  distributions
                  or loans from the Plan or any other plan, or by borrowing from
                  commercial  sources  on  reasonable  commercial  terms,  in an
                  amount sufficient to satisfy the need.

                  6.7(2) If, at any time, a Participant  withdraws less than the
         entire amount which is available  for his  withdrawal at such time from
         all Accounts,  then such  Participant  must  withdraw a minimum  amount
         equal to Five Hundred Dollars ($500.00).

                  6.7(3)   Notwithstanding  the  foregoing  provisions  of  this
         Section 6.7, the Administrative  Committee shall,  subject to any terms
         and conditions  imposed by the Trustee,  establish  additional  uniform
         policies and procedures,  including  procedures regarding the manner in
         which  the  amount  of  any  withdrawal  shall  be  obtained  from  the
         Investment  Funds  referred  to in  Section  9.4  hereof to which  such
         Participant has directed the investment of the amounts  credited to his
         Accounts.


                                  SECTION SEVEN

                      ALLOCATION TO PARTICIPANTS' ACCOUNTS
                      ------------------------------------

         7.1      Methods of Allocating Deposits.

                  7.1(1)  Subject to the  limitations  of Section 7.4 hereof and
         subject to the  provisions of Subsection  29.3(1)  hereof,  the Company
         Matching Deposit of each Participating  Company for each calendar month
         pursuant to  Subsection  6.1(1) above shall be allocated to the Company
         Matching  Deposit  Account  of the  Participant  on whose  behalf  said
         Company Matching Deposit was made, as of the last day of such month.

                  7.1(2) Subject to the limitations of Section 7.4 hereof,  each
         Participant's Basic and Supplemental Before-Tax Deposits for each month
         shall be  allocated  to the  appropriate  Account as of the last day of
         such month.

         7.2 Allocation to a Participant Transferred to a Participating Company.
If,  during  a  Plan  Year,  an  Active  Participant  is  transferred  from  one
Participating Company to another Participating Company, such Participant's share
of the  Company  Matching  Deposits  of  each  Participating  Company  shall  be
determined on the basis of the Basic Before-Tax  Deposits made on behalf of such
Active Participant for the portion of the Plan Year that such Active Participant
was employed by such Participating Company.

         7.3 Allocation to a Participant  Transferred  to an Affiliated  Company
Which Has Not Adopted the Plan. Notwithstanding any other provision of the Plan,
if a Participant is transferred  from a  Participating  Company to an Affiliated
Company which has not adopted the Plan, he shall  continue to participate in the
Plan as an Inactive  Participant who has elected a voluntary suspension of Basic
and  Supplemental  Before-Tax  Deposits.  If such  Participant  is  subsequently
reemployed  by a  Participating  Company,  he shall be eligible to elect to have
made on his behalf Basic and  Supplemental  Before-Tax  Deposits as of the Entry
Date coincident with or next following the Participant's reemployment,  provided
he complies with the provisions of Section 6.2 of the Plan.

         7.4      Limitations on Annual Additions.

                                                       II-38
<PAGE>

                                                                     EXHIBIT 4.1

                  7.4(1)  Notwithstanding  any other  provision of the Plan, the
         sum of  the  Annual  Additions  to a  Participant's  Accounts  for  any
         Limitation  Year shall not  exceed  the  lesser of (i) Thirty  Thousand
         Dollars  ($30,000)  or, if  greater,  one-fourth  (1/4) of the  defined
         benefit dollar limitation set forth in Section 415(b)(1)(A) of the Code
         as in effect for the Limitation Year, or (ii) twenty-five percent (25%)
         of such  Participant's  Limitation  Year  Compensation  for the  entire
         Limitation  Year  (even  though  such  Participant  may not have been a
         Participant  for  the  entire   Limitation   Year).  The  term  "Annual
         Additions" to a  Participant's  Accounts for any Limitation  Year shall
         mean the sum of:

                           (a)  Such   Participant's   allocable  share  of  the
                  contributions   of  the   Participating   Company,   including
                  Before-Tax Deposits and Company Matching Deposits, credited to
                  such Participant within such Limitation Year;

                           (b) Any amount  allocated to an  "individual  medical
                  account," as defined in Section  415(l)(2) of the Code,  which
                  is  part  of  a  pension  or  annuity  Plan  maintained  by  a
                  Participating Company; and

                           (c) Any amounts  derived from  contributions  paid or
                  accrued after December 31, 1985, in taxable years ending after
                  such date, which are attributable to  post-retirement  medical
                  benefits  allocated to the separate  account of a key employee
                  (as defined in Section 419A(d)(3) of the Code) under a welfare
                  benefit  fund (as  defined  in  Section  419(e)  of the  Code)
                  maintained by a Participating Company.

                           (d)   Such    Participant's    allocable   share   of
                  forfeitures,  if any, credited to such Participant within such
                  Plan Year; and

                           (e)      Any Participant contributions;

                  provided,   however,   that  the  twenty-five   percent  (25%)
                  limitation set forth in Subsection  7.4(1)(ii) above shall not
                  apply to amounts described in Subsection (b) or (c) above.

         Solely  for  purposes  of this  Section  7.4,  the  determination  of a
         Participant's  allocable share of Participating  Company  contributions
         and  forfeitures,  if any,  for a  Limitation  Year shall  exclude  any
         Participating  Company  contributions and forfeitures allocated to such
         Participant   for  any  of  the   reasons   set   forth   in   Sections
         1.415-6(b)(2)(ii)-(vi)   of  the  Income  Tax  Regulations  (except  as
         otherwise provided in such Sections).

                  7.4(2) In the event that as a result of (i) the  allocation of
         forfeitures,  (ii) a reasonable  error in  estimating  a  Participant's
         Limitation Year  Compensation,  (iii) a reasonable error in determining
         the amount of Before-Tax  Deposits that may be made under this Section,
         or (iv)  other  facts  and  circumstances  which  the  Commissioner  of
         Internal  Revenue or his delegate finds justify the availability of the
         provisions of this Subsection 7.4(2) and Subsections 7.4(3) and 7.4(4),
         it is determined that, but for the limitations  contained in Subsection
         7.4(1),  the  Annual  Additions  to a  Participant's  Accounts  for any
         Limitation Year would be in excess of the limitations contained herein,
         such Annual Additions shall be reduced to the extent necessary to bring
         such Annual  Additions  within the limitations  contained in Subsection
         7.4(1) in the following order:

                           (a)  Such   Participant's   Supplemental   Before-Tax
                  Deposits for the Plan Year ending within such  Limitation Year
                  shall be reduced.

                           (b)  Such  Participant's  allocable  share  of  Basic
                  Before-Tax Deposits and Company Matching Deposits for the Plan
                  Year   ending   within   such   Limitation   Year   shall   be
                  simultaneously reduced on a pro-rata basis.

                  7.4(3)  If,  and  to  the  extent   that  the  amount  of  any
         Participant's  allocable  share of Company  Matching  Deposits  or such
         Participant's Basic or Supplemental  Before-Tax Deposits are reduced in
         accordance with the

                                                       II-39
<PAGE>
                                                                     EXHIBIT 4.1

         provisions of Subsection  7.4(2)  above,  the amount of such  reduction
         (the "Excess Amounts") shall be used to reduce the  contributions  made
         for such  Participant  for the next  Limitation  Year  (and  succeeding
         Limitation Years, as necessary),  if that Participant is covered by the
         Plan as of the end of the Limitation Year. However, if that Participant
         is not covered by the Plan as of the end of the Limitation  Year,  then
         the Excess Amounts shall be maintained in a separate  suspense  account
         under the Trust for the Limitation  Year and allocated and  reallocated
         in the next Limitation Year among all of the remaining  Participants in
         the Plan. If in said next  Limitation  Year,  after the  allocations as
         provided  for  herein,  there are any Excess  Amounts  remaining  which
         cannot be allocated to any  Participant as a result of the  limitations
         contained  herein,  such  amount  shall  be  maintained  in a  separate
         suspense  account under the Trust to be used to reduce Company Matching
         Deposits of the Participating  Company in the next Limitation Year (and
         succeeding  Limitation  Years,  as necessary)  for all of the remaining
         Participants in the Plan.

                  7.4(4)  Any  suspense  account  established  pursuant  to this
         Section  7.4  shall  not be  adjusted  to  reflect  net  income,  loss,
         appreciation or depreciation in the value of the Trust Fund as provided
         for an  Employee's  regular  Accounts  pursuant to Section  Nine of the
         Plan.

                  7.4(5)   If  the   amount  of  any   Participant's   Basic  or
         Supplemental  Before-Tax  Deposits are reduced in  accordance  with the
         provision of Subsection 7.4(2) above, the amount of such reduction (the
         "Excess Amounts"),  adjusted for earnings or losses in a manner similar
         to Section 6.4(4) above, shall be distributed to such Participant,  and
         shall be disregarded for purposes of Section 6.4 above.

                  7.4(6) In the event of  termination  of the Plan, the suspense
         account  established  pursuant  to this  Section 7.4 shall refer to the
         Participating Company to the extent it may not then be allocated to any
         Participant's Account.

         7.5  Limitations  on Annual  Additions for  Participating  Companies or
Affiliated Companies  Maintaining Other Defined Contribution Plans. In the event
that any  Participant  in this Plan is a  participant  under  any other  Defined
Contribution Plan maintained by a Participating Company or an Affiliated Company
(whether or not terminated), the total amount of annual additions, as defined in
Section 415(c) of the Code and  regulations  thereunder,  to such  Participant's
accounts  from  all  such  Defined  Contribution  Plans  shall  not  exceed  the
limitations  set forth in  Subsection  7.4(1)  hereof.  If such total  amount of
annual  additions  to  each   Participant's   accounts  from  all  such  Defined
Contribution  Plans does exceed the limitations  set forth in Subsection  7.4(1)
hereof, then the Annual Additions to a Participant's Accounts in this Plan shall
be reduced,  and such reduction  shall be  accomplished  in accordance  with the
provisions of Section 7.4 hereof.

         7.6  Limitations  on Benefits and Annual  Additions  for  Participating
Companies or Affiliated  Companies  Maintaining  Defined  Benefit Plans.  In the
event  that any  Participant  in this  Plan is a  participant  under one or more
Defined  Benefit Plans  maintained by a  Participating  Company or an Affiliated
Company  (whether or not  terminated),  then the sum of the Defined Benefit Plan
Fraction for such Limitation Year and the Defined Contribution Plan Fraction for
such  Limitation  Year shall not exceed  one  (1.0).  If the sum of the  Defined
Benefit Plan Fraction for any Limitation Year and the Defined  Contribution Plan
Fraction  for such  Limitation  Year does  exceed  one  (1.0),  then the  annual
additions  to  a  Participant's  Accounts  under  this  Plan  shall  be  reduced
subsequent to reductions under any Defined Benefit Plan.

         7.7  Definitions Relating to Annual Addition Limitations.  For purposes
of  Sections  7.4, 7.5  and 7.6  hereof  and  this  Section 7.7,  the  following
definitions shall apply:

                  7.7(1)  "Retirement  Plan" shall mean (a) any profit  sharing,
         pension or stock bonus plan described in Sections  401(a) and 501(a) of
         the Code, (b) any annuity plan or annuity contract described in Section
         403(a) or 403(b) of the Code, (c) any simplified  employee pension plan
         described  in  Section  408(k)  of the  Code  and  (d)  any  individual
         retirement  account  or  individual  retirement  annuity  described  in
         Section 408(a) or 408(b) of the Code.

                  7.7(2)  "Defined  Contribution  Plan" shall mean a  Retirement
         Plan which provides for an individual  account for each participant and
         for   benefits   based  solely  on  the  amount   contributed   to  the
         participant's accounts,

                                                       II-40
<PAGE>

                                                                     EXHIBIT 4.1

         and any  income,  expenses,  gains or losses,  and any  forfeitures  of
         accounts  of  other   participants  which  may  be  allocated  to  such
         participant's account.

                  7.7(3)  "Defined  Benefit Plan" shall mean any Retirement Plan
         which does not meet the definition of a Defined Contribution Plan.

                  7.7(4)  "Defined  Benefit Plan Fraction" shall mean a fraction
         calculated in accordance with Code Section 415(e)(2).

                  7.7(5)  "Defined  Contribution  Plan  Fraction"  shall  mean a
         fraction,  the numerator of which is the sum of the Annual Additions to
         the  Participant's  account  under all the Defined  Contribution  Plans
         (whether or not terminated)  maintained by the Participating  Companies
         or any  Affiliated  Company for the  current  and all prior  Limitation
         Years,   (including   the   Annual   Additions   attributable   to  the
         Participant's  nondeductible  employee  contributions  to this  and all
         other Defined Contribution Plans, whether or not terminated, maintained
         by the  Participating  Companies or any  Affiliated  Company),  and the
         denominator  of which is the sum of the Maximum  Aggregate  Amounts for
         the  current  and all  prior  Limitation  Years  of  service  with  the
         Participating  Companies  or  any  Affiliated  Company  (regardless  of
         whether a Defined Contribution Plan was maintained by the Participating
         Companies or any Affiliated Company). The "Maximum Aggregate Amount" in
         any Limitation  Year is the lesser of one hundred  twenty-five  percent
         (125%) of the dollar limitation in effect under Section 415(c)(1)(A) of
         the Code or one hundred forty percent (140%) of the amount which may be
         taken into account under Section 415(c)(1)(B) of the Code.

                  7.7(6)"Limitation Year" shall mean the twelve (12) consecutive
         month period ending on December 31.

                  7.7(7) "Limitation Year Compensation" shall mean the aggregate
         of (i) all wages,  salaries  and other  amounts  received  for personal
         services  actually  rendered  in the  course  of  employment  with  all
         Participating  Companies and Affiliated Companies  (including,  but not
         limited to, commissions paid to salesmen,  compensation for services on
         the  basis  of  a  percentage  of  profits,  commissions  on  insurance
         premiums,  tips,  fringe benefits,  expense accounts and bonuses) which
         are  actually  paid  or  made  available  to  a  Participant  within  a
         Limitation  Year;  (ii) in the case of a Participant who is an employee
         within the meaning of Code Section 401(c)(1),  the Participant's earned
         income  (as  described  in  Code  Section  401(c)(2));   (iii)  amounts
         described in Code Sections
          104(a)(3),  105(a)  and  105(h),  but only to the  extent  that  these
         amounts are  includable  in the gross income of the  Participant;  (iv)
         amounts  paid  or  reimbursed  for  moving   expenses   incurred  by  a
         Participant,  but  only  to the  extent  that  these  amounts  are  not
         deductible by the Participant  under Code Section 217; (v) the value of
         a  non-qualified  stock option granted to a Participant but only to the
         extent that the value of the option is  includable  in the gross income
         of the  Participant  for the taxable  year in which  granted;  (vi) the
         amount  includable in the gross income of a Participant upon making the
         election  described in Code Section 83 (b);  which are actually paid or
         made available (or, for Limitation  Years  beginning  prior to December
         31, 1991, accrued, if the Company properly so elected) to a Participant
         within a  Limitation  Year.  Paragraphs  (i) and  (ii) of this  section
         include  foreign  earned  income (as defined in Code  Section  911(b)),
         whether or not  excludable  from gross  income  under code Section 911.
         Limitation Year Compensation shall not include the following:

                           (a) Contributions  made by any Participating  Company
                  or Affiliated  Company to a plan of deferred  compensation  to
                  the extent  that,  before the  application  of the Section 415
                  limitations to the Plan, the contributions are not included in
                  the gross  income of the  Participant  for the taxable year in
                  which contributed,  or contributions made by any Participating
                  Company or  Affiliated  Company  under a  simplified  employee
                  pension plan to the extent the contributions are deductible by
                  the Participant, and any distributions from a plan of deferred
                  compensation;

                           (b)  Amounts   realized   from  the   exercise  of  a
                  non-qualified  stock  option,  or when  restricted  stock  (or
                  property) held by a Participant become freely  transferable or
                  is no longer subject to a substantial risk of forfeiture;

                                                       II-41
<PAGE>

                                                                     EXHIBIT 4.1

                           (c) Amount realized from the sale,  exchange or other
                  disposition of stock acquired under a qualified  stock option;
                  and

                           (d) Other amounts that receive  special tax benefits,
                  such as premiums  for group term life  insurance  (but only to
                  the extent that premiums are includable in the gross income of
                  the Participant),  or contributions  made by any Participating
                  Company or Affiliated  Company  (whether or not under a salary
                  reduction  agreement)  towards  the  purchase  of  an  annuity
                  contract as described in Section  403(b) of the Code  (whether
                  or not the  contributions are excludable from the gross income
                  of the Participant).


                                  SECTION EIGHT

                             VALUATION OF TRUST FUND
                             -----------------------

         8.1 Regular Valuation.  The Trustee of the Investment Trust No. 1 shall
evaluate such Trust Fund  (separately  itemized with respect to each  Investment
Fund under  Section  9.4 hereof of the  Investment  Trust No. 1) at fair  market
value as of the close of business on each  Valuation  Date.  The Trustees of the
Investment  Trust No. 2 shall  evaluate  the  Company  Stock Fund at fair market
value as of the  close of  business  on each  Valuation  Date.  In  making  such
valuations, except as otherwise provided for herein or in a Trust Agreement, the
Trustee shall use the modified cash basis method of accounting  and shall deduct
all charges, expenses and other liabilities, if any, then chargeable against the
Trust Fund, in order to give effect to income realized and expenses paid, losses
sustained  and  unrealized   gains  or  losses   constituting   appreciation  or
depreciation  in  the  value  of  Trust  investments  since  the  last  previous
valuation.  At  the  request  of  the  Administrative   Committee,  as  soon  as
practicable  after such  valuation,  the Trustee shall deliver in writing to the
Administrative Committee a valuation of the Trust Fund together with a statement
of the amount of net income or loss  (including  appreciation or depreciation in
the value of Trust investments) since the last previous valuation.

         8.2 Valuation of Company Stock.  In making any valuation of the portion
of the Trust Fund consisting of Company Stock,  the Trustee of Investment  Trust
No. 2 shall determine the fair market value of Company Stock.


                                  SECTION NINE

                             PARTICIPANTS' ACCOUNTS
                             ----------------------

         9.1  Separate  Accounts.  Subject to the  provisions  of  Section  17.2
hereof,  the  Administrative  Committee  shall  maintain for each  Participant a
separate Company Matching Deposit Account,  a separate Basic Before-Tax  Deposit
Account, a separate  Supplemental  Before-Tax Deposit Account, a separate Choice
Benefits Deposit Account,  and a separate  Rollover Account,  as necessary.  The
amount  contributed  by or on  behalf  of a  Participant  or  allocated  to such
Participant shall be credited to the appropriate Account in the manner set forth
in  Sections  Six  and  Seven  hereof.  All  payments  to a  Participant  or his
Beneficiaries   shall  be  charged  against  the  respective  Accounts  of  such
Participant.

         9.2 Accounts of Participants Transferred to an Affiliated Company. If a
Participant is  transferred  to an Affiliated  Company which has not adopted the
Plan,  the amount in the Trust which is credited to his Accounts  shall continue
to share in the  earnings or losses of the Trust and such  Participant's  rights
and  obligations  with  respect  to  such  Accounts  shall  be  governed  by the
provisions of the Plan and Trust.

         9.3 Adjustment of Participant's Accounts.  Except as otherwise provided
herein,  the  Administrative   Committee  shall  adjust  the  Accounts  of  each
Participant so that the amount of net income, loss, appreciation or depreciation
in the value of the Trust Fund (as  appropriately  itemized with respect to each
Investment Fund under Section 9.4 hereof) for the period  (hereinafter  referred
to as the  "Valuation  Period") from the last previous  valuation to the date of
such  valuation  shall be  credited  to or charged  against  the  balance in the
Participants' Accounts as adjusted by the transactions occurring with respect to
each such Account during such Valuation Period. Any Plan earnings or losses

                                                       II-42
<PAGE>

                                                                     EXHIBIT 4.1

attributable  to the investment of a  Participant's  Account under the Plan in a
loan to the Participant under Section Eighteen shall be allocated solely to that
Participant's  Account in accordance  with the  procedures of section  Eighteen.
With  respect  to  a  Participant's  Company  Matching  Deposit  Accounts,  such
adjustment,  if necessary,  shall be made by adjusting the number of shares,  if
applicable,  of Company Stock allocated to each  Participant's  Company Matching
Deposit Account.

         9.4      Account Investment Direction.

                  9.4(1)  Notwithstanding any other provision of the Plan or the
         Trust  Agreement  with  respect to control  over and  direction  of the
         investment of assets in the Trust Fund, each  Participant  may, at such
         time and in such manner as the Administrative Committee shall determine
         pursuant to a uniform policy  established by it, direct that all or any
         part  (subject  to  such  percentage   increment   limitations  as  the
         Administrative  Committee  shall  determine  from  time to time) of the
         amounts   constituting  (i)  such   Participant's   Before-Tax  Deposit
         Accounts,  (ii) the portion of his  Company  Matching  Deposit  Account
         invested in Investment  Trust No. 1, (iii) his Choice Benefits  Deposit
         Account,  (iv) his future Basic and Supplemental  Before-Tax  Deposits,
         and (v) his future  Company  Matching  Deposits  which are  invested in
         Investment  Trust No. 1, be invested among such investment funds as the
         Administrative  Committee  shall  offer from time to time  ("Investment
         Funds") for direction by Participants.  This Section 9.4 is intended to
         meet the  requirements  of  Section  404(c) of ERISA by  allowing  each
         Participant to direct the investment of his individual Accounts.

                  9.4(2) The  Administrative  Committee  shall from time to time
         designate the Investment  Funds available  hereunder,  provided that at
         all times there shall be at least three  diversified  Investment  Funds
         having materially different risk and reward characteristics in addition
         to the Company Stock Fund. The assets of each such  Investment Fund may
         be invested in shares of a registered investment company, provided that
         such shares  constitute  securities  described in Section  401(b)(1) of
         ERISA.  Moneys in any such Fund in amounts  estimated by the Trustee to
         be needed for cash withdrawals, inter-Fund transfers or other purposes,
         or in amounts too small to be reasonably  invested,  may be retained by
         the  Trustee  in cash or  invested  in a manner  consistent  with  such
         purposes.

                  9.4(3) At such  times as the  Administrative  Committee  shall
         permit,  and in  such  manner  as the  Administrative  Committee  shall
         determine,  pursuant  to  uniform  policies  established  by  it,  each
         Participant  may (i)  direct  that all,  or any part  (subject  to such
         percent  increment  limitations as the  Administrative  Committee shall
         determine  from  time to  time)  of the  amounts  in the  Participant's
         Accounts (other than amounts  invested in the Company Stock Fund) which
         are  invested  on  his  behalf  in  any of  the  Investment  Funds,  be
         liquidated and the proceeds thereof  reinvested in the other Investment
         Funds and (ii) redirect the  investment of future  Before-Tax  Deposits
         and Matching Contributions (and future earnings on all such amounts) in
         accordance  with the  provisions of Subsection  9.4(1)  hereof.  In the
         event at any time a Participant  does not elect to redirect any Account
         balances or future  contributions  as provided  for in this  Subsection
         9.4(3),  then  such  Participant's  prior  directions  shall  remain in
         effect.

                  9.4(4) The Trustee of the  Investment  Trust No. 1 shall carry
         out Participant's  directions or redirections permitted by this Section
         9.4 (or in the  absence of  directions,  shall  invest as  provided  in
         Subsection  9.4(5)  hereof)  as soon as  administratively  practicable.
         Notwithstanding the foregoing,  in the event a Participant has directed
         that  only  part of his  interest  in any of the  Investment  Funds  be
         liquidated and reinvested in one or more of the other  Investment Funds
         only  the  nearest  value  of  whole  units  will  be  liquidated   and
         reinvested.

                  9.4(5) If a  Participant  fails or refuses to exercise  any of
         his  investment  direction  rights as provided for in this Section 9.4,
         the Trustee of the Investment Trust No. 1 shall invest all amounts (not
         otherwise  directed) in the lowest risk Investment  Fund available,  as
         determined by the Administrative Committee.

                  9.4(6)  The  Administrative   Committee  shall  establish  and
         maintain,  or cause the  appropriate  Trustee to establish and maintain
         procedures and records which will  adequately  reflect (i) the state of
         each Investment Fund and the proportionate interest of each Participant
         in each  Investment  Fund,  including the amount of each  Participant's
         various  Accounts  allocated to each such  Investment Fund and (ii) the
         state of Company Stock Fund

                                                       II-43
<PAGE>

                                                                     EXHIBIT 4.1

         and the proportionate interest of each Participant in the Company Stock
         Fund,  including  the  amount of each  Participant's  Company  Matching
         Deposit Account allocated to the Company Stock Fund.

                  9.4(7) Proxy Voting. Shares of stock held in the Company Stock
         Fund shall be voted in accordance  with  Subsection  9.5(3) below.  Any
         shares of a registered  investment company allocated to a Participant's
         Account shall be voted in accordance with directions of the Participant
         (or Beneficiary or Alternate  Payee),  with any fractional shares being
         voted on a  combined  basis  to the  extent  possible  to  reflect  the
         directions  of voting  Participants.  The  Trustee or a duly  appointed
         Investment  Manager  shall be  responsible  for the voting of any other
         securities  within an  Investment  Fund and the  exercise of any tender
         offer or redemption rights with respect to any such securities.

         9.5      Company Stock Fund.

                  9.5(1)  Company  Matching  Deposits which are made in cash and
         contributed  to Investment  Trust No. 2 and any  forfeited,  Non-Vested
         Amounts  held in the  Company  Stock  Fund that are  applied  to reduce
         Company  Matching  Deposits as provided in  Subsection  14.4(2) will be
         invested by the Trustee of Investment  Trust No. 2 in the Company Stock
         Fund.  The  Trustee  may retain any shares of Company  Stock  which are
         received  as a result of a stock  dividend  or stock  split,  and shall
         invest any cash or  cash-equivalent  amounts held in the Company  Stock
         Fund in Company Stock as soon as practicable  unless directed otherwise
         by the Board of  Directors  of the  Sponsoring  Company  or unless  the
         Trustee  determines that it is necessary to retain such amounts in cash
         to make distribution or to pay administrative expenses.

                  9.5(2) Any  amount in the  Company  Stock  Fund not  currently
         invested  in  Company  Stock  shall  be  invested  by  the  Trustee  of
         Investment Trust No. 2 only in cash-equivalent investments,  including,
         but not limited to,  investments in commingled  funds,  as such Trustee
         shall determine.

                  9.5(3) All shares of Company  Stock in the Company  Stock Fund
         shall be voted by the Trustee of Investment Trust No. 2.

                  9.5(4)  Subject to the  provisions of the Plan and Trust,  the
         Company  Stock  Fund may sell  shares of  Company  Stock to any  person
         (including  the  issuer of such  shares),  provided  that any sale to a
         party  in   interest   must  be  made  for  not  less   than   adequate
         consideration.  No  commission  shall be paid with  respect to sales or
         purchases of Company Stock from parties-in-interest. The sale price for
         each such share of Company Stock sold to a party-in-interest  shall not
         be less  than the price of  Company  Stock,  prevailing  at the time of
         sale,  on a national  securities  exchange  which is  registered  under
         section 6 of the Securities  Exchange Act of 1934, or, if Company Stock
         is  not,  at the  time  of  such  purchase,  traded  on  such  national
         securities exchange,  shall be not more than the offering price for the
         Company Stock as established by the current bid and asked prices quoted
         by  persons   independent  of  the   Sponsoring   Company  and  of  any
         party-in-interest.  In the event  that  either  (i) the sale  price per
         share  from  the  Sponsoring  Company  as  determined  pursuant  to the
         foregoing  is less than the then par value of such  Company  Stock,  or
         (ii) Trustee is of the opinion that the sale of such shares directly to
         the Sponsoring Company or a party-in-interest  might involve a possible
         violation  of any  federal  or  state  securities  law,  or any rule or
         regulation  thereunder,  Trustee shall not sell such shares directly to
         the Sponsoring  Company,  but shall sell such shares in the open market
         in exchange transactions or in any other lawful manner.

                  9.5(5) Securities Law Restriction. Notwithstanding anything to
         the contrary contained in the Plan, the  Administrative  Committee may,
         in its  sole  discretion,  restrict  any  Plan  transactions  involving
         Company  Stock to insure that the  operation of the Plan  complies with
         Rule 16(b)(3),  promulgated under the Securities  Exchange Act of 1934,
         as amended.

                                                       II-44
<PAGE>

                                                                     EXHIBIT 4.1

                                   SECTION TEN

                                COMMON TRUST FUND
                                -----------------

         Except as otherwise  provided in  accordance  with  procedures  adopted
under Subsection 9.4(6) hereof,  the fact that for  administrative  purposes the
Administrative  Committee maintains separate accounts for each Participant shall
not be deemed to segregate for such Participant, or to give such Participant any
direct  interest in, any specific  assets in the Trust Fund held by the Trustee.
Except as provided  herein,  all such assets may be held and administered by the
Trustee as a commingled fund, subject to the provisions of Section 9.4 hereof.


                                 SECTION ELEVEN

                          DESIGNATION OF BENEFICIARIES
                          ----------------------------

         11.1     Participant's Designation.

                  11.1(1)  Subject to the provisions of Sections 11.2,  13.2 and
         17.2  hereof,   each   Participant   may  designate  a  Beneficiary  or
         Beneficiaries, and contingent Beneficiary or Beneficiaries, if desired,
         including the executor or administrator  of his estate,  to receive his
         interest  in  the  Trust  Fund  in the  event  of his  death,  but  the
         designation  of a  Beneficiary  shall not be effective  for any purpose
         unless and until it has been filed with the Administrative Committee on
         the form provided  therefor.  If the Participant has a surviving spouse
         and the deceased Participant failed to name a Beneficiary in the manner
         herein  prescribed,  or  the  Beneficiary  or  Beneficiaries  so  named
         predecease  the  Participant,  the  amount,  if any,  which is  payable
         hereunder  with respect to such deceased  Participant  shall be paid to
         the  surviving  spouse.  If the  Participant  does not have a surviving
         spouse and the deceased Participant failed to name a Beneficiary in the
         manner herein prescribed,  or the Beneficiary or Beneficiaries so named
         predecease  the  Participant,  the  amount,  if any,  which is  payable
         hereunder in respect of such deceased  Participant  may be paid, in the
         discretion of the  Administrative  Committee,  either to (a) all or any
         one (1) or more of the persons  comprising the group consisting of such
         Participant's   descendants,   parents,   or  heirs  at  law,  and  the
         Administrative  Committee  may pay the entire  benefit to any member of
         such group or apportion  such benefit among any two (2) or more of them
         in such shares as the Administrative Committee, in its sole discretion,
         shall determine,  or (b) the executor or administrator of the estate of
         such deceased  Participant,  provided that in any of such cases payment
         shall  be made in the form of an  immediate  lump  sum as  provided  in
         Subsection 15.2(l). If the Administrative  Committee does not so direct
         any of such payments, the Administrative  Committee may elect to have a
         court  of  applicable  jurisdiction  determine  to  whom a  payment  or
         payments should be made. Any payment made to any person pursuant to the
         power and discretion conferred upon the Administrative Committee by the
         preceding  sentence  shall  operate  as a  complete  discharge  of  all
         obligations under the Plan in respect of such deceased  Participant and
         shall not be subject to review by anyone,  but shall be final,  binding
         and conclusive on all persons ever interested hereunder.

                  11.1(2)  Subject to the  provisions  of Section 11.2 below,  a
         Participant may from time to time change any Beneficiary  designated by
         him  without  notice  to  such   Beneficiary,   under  such  rules  and
         regulations  as the  Administrative  Committee  may  from  time to time
         promulgate,  but  the  last  Beneficiary  designation  filed  with  the
         Administrative Committee shall control.

                  11.1(3) Any proper  Beneficiary  designation  made pursuant to
         the Prior Plan shall be treated as a Beneficiary designation under this
         Plan unless changed by the Participant as permitted herein.

         11.2 Qualified  Consent.  With respect to a Participant who on the date
of such  Participant's  death,  is survived by and has been  married to the same
spouse  continuously  for a period of at least one (1) year, such  Participant's
Accounts shall,  on his death,  be paid to such surviving  spouse to whom he was
married  at the  date of his  death  unless  the  surviving  spouse  has  made a
Qualified  Consent to the payment of any or all of said Accounts to a designated
Beneficiary  other  than the  surviving  spouse.  "Qualified  Consent"  means an
irrevocable written consent executed by the Participant's spouse

                                                       II-45
<PAGE>

                                                                     EXHIBIT 4.1

which  acknowledges  the  effect  of  the  consent  and is  witnessed  by a Plan
representative  or a  notary  public.  A  Participant  may,  after  obtaining  a
Qualified Consent, change his Beneficiary designation as permitted by Subsection
11.1(1)  above,  but any such  change is  subject  to the  requirements  of this
Subsection  11.1(2) and will require  another  Qualified  Consent  should such a
spouse,  if  surviving,  not be the  sole  Beneficiary  of all  amounts  in said
Account, unless a Qualified Consent previously executed by such spouse expressly
authorizes  changes in the Beneficiary  without further consent of the spouse. A
Qualified  Consent is effective only with respect to the spouse who executes it.
If the Plan  Administrator  is  satisfied  that there is no spouse,  or that the
spouse cannot reasonably be located, or in such other circumstances as permitted
by  governmental  regulations,  no  Qualified  Consent  shall be  required  as a
condition to payment to a Beneficiary who is not the surviving spouse.


                                 SECTION TWELVE

                               DISABILITY BENEFITS
                               -------------------

         12.1 Disability Retirement Benefits. If a Participant retires by reason
of Total and  Permanent  Disability  while in a  Participating  Company's  or an
Affiliated Company's employ or on Leave of Absence, his Company Matching Deposit
Account shall fully vest and,  subject to the provisions of Section 17.3 hereof,
he shall be entitled to receive benefits equal to the total amount in all of his
Accounts  under the Plan, as determined  in  accordance  with the  provisions of
Section  15.2  hereof.  Such  benefits  shall be paid as provided in  Subsection
15.2(1) and Section 15.5 hereof.

         12.2 Determination of Disability.  The  Administrative  Committee shall
determine whether a Participant has suffered Total and Permanent  Disability and
its determination in that respect is binding upon the Participant, provided that
the  Administrative  Committee  shall rely upon  professional  medical advice in
making  such  determination.  In making its  determination,  the  Administrative
Committee  may  require the  Participant  to submit to medical  examinations  by
doctors selected by the Administrative Committee. The provisions of this Section
Twelve shall be uniformly and consistently applied to all Participants.


                                SECTION THIRTEEN

                          RETIREMENT AND DEATH BENEFITS
                          -----------------------------

         13.1 Retirement  Benefits.  A Participant's  Company  Matching  Deposit
Account shall fully vest and be nonforfeitable on his Retirement Date,  provided
such Participant is employed by a Participating Company or an Affiliated Company
on such date. A Participant who continues in the Participating  Company's employ
after his  Retirement  Date shall continue to be a Participant in the Plan until
his actual  retirement.  Subject to the  provisions of Section 17.3 hereof,  any
Participant  who retires  under this  Section  13.1 shall be entitled to receive
benefits  equal to the total  amounts in all of his  Accounts  under the Plan as
determined  in  accordance  with the  provisions  of Section 15.1  hereof.  Such
benefit shall be paid as provided in Subsection 15.2(1) and Section 15.5 hereof.

         13.2  Death  Benefits.  Upon the  death of a  Participant  while in the
employ of a Participating Company, an Affiliated Company or on Leave of Absence,
his  Company  Matching  Deposit  Account  shall  fully vest and,  subject to the
provisions  of Section 17.3 hereof,  the  following  person or persons  shall be
entitled  to  receive  benefits  equal  to the  total  amounts  in the  deceased
Participant's  Accounts  under the Plan as  determined  in  accordance  with the
provisions of Subsection 15.2(1) and Section 15.5 hereof:

                  (i) In the case of a Participant who is married as of the date
         of his  death,  except  as  provided  in  Subsection  (ii)  below,  his
         surviving spouse.

                  (ii) In the case of a  Participant  who is married on the date
         of his  death  but who has  designated  a  Beneficiary  other  than his
         surviving  spouse  pursuant  to  Section  Eleven  hereof  and (a) whose
         surviving  spouse has  executed a Qualified  Consent as provided for in
         Section 11.2 hereof or (b) who has not been married to the

                                                       II-46
<PAGE>

                                                                     EXHIBIT 4.1

         same  spouse  continuously  for at least one (1) year as of the date of
         his death,  his  designated  Beneficiary  pursuant  to  Section  Eleven
         hereof.

                  (iii) In the case of a  Participant  who is not married on the
         date of his  death,  his  designated  Beneficiary  pursuant  to Section
         Eleven hereof.

Upon the death of a  Participant  who is no longer  employed by a  Participating
Company or an Affiliated Company prior to the receipt by such Participant of all
amounts to which such  Participant is entitled under the provisions of the Plan,
the person or persons entitled to receive death benefits as hereinabove provided
shall be entitled to receive the balance of any amounts  owing to such  deceased
Participant,  as determined and to be paid in accordance  with the provisions of
Subsection 15.2(1) and Section 15.5 hereof.


                                SECTION FOURTEEN

                         EMPLOYMENT TERMINATION BENEFITS
                         -------------------------------

         14.1 Vesting upon Termination of Employment.  Subject to the provisions
of Sections 14.4 and 17.3 hereof,  in the event of the Termination of Employment
of a Participant,  such Participant shall be entitled to receive (i) one hundred
percent  (100%) of the  amounts in all of his  Accounts  other than his  Company
Matching Deposit Account, and (ii) the following percentage of the amount in his
Company Matching Deposit Account as determined in accordance with the provisions
of  Subsection  15.2(1) and Section 15.5 hereof,  based upon such  Participant's
number of Vesting Years of Service prior to such Termination of Employment:

                  Number of Vesting
                  Years of Service                   Vested Percentage
                  ----------------                   -----------------

                  Less than 5 years                           None
                  5 years or more                             100%

         Such benefits shall be paid as provided in Section Fifteen hereof.

         14.2  Determination  of Vesting Years of Service.  All Vesting Years of
Service (whether or not continuous) shall be taken into account,  except Vesting
Years of Service not taken into account in accordance with Section 14.3 hereof.

         14.3   Periods of Severance.  Subject to the provisions of Section 14.5
hereof, Vesting Years of Service shall be disregarded as follows:

                  14.3(1)  In  the  case  of  any   Participant  who  suffers  a
         Termination of Employment  and who has a One-Year  Period of Severance,
         Vesting Years of Service before such severance  shall not be taken into
         account until such  Participant has completed a Vesting Year of Service
         after such severance.

                  14.3(2)  In  the  case  of  any   Participant  who  suffers  a
         Termination  of Employment and who has no vested amount in his Basic or
         Supplemental  Before-Tax  Deposit  Accounts,  or  his  Choice  Benefits
         Deposit Account,  or his Company Matching Deposit Account in accordance
         with the  provisions  of Section 14.1 hereof,  Vesting Years of Service
         before any period of One-Year  Periods of Severance  shall not be taken
         into account if such Participant's latest Period of Severance equals or
         exceeds the  greater of (i) five (5)  consecutive  One-Year  Periods of
         Severance,  or  (ii)  his  aggregate  Periods  of  Service  before  the
         commencement of such latest Period of Severance. Such aggregate Periods
         of Service before the  commencement  of such latest Period of Severance
         shall be deemed  not to  include  any  Vesting  Year of  Service  which
         precedes a One-Year  Period of  Severance if as of or prior to December
         31, 1984, the duration of the consecutive One-Year Periods of Severance
         measured

                                                       II-47
<PAGE>

                                                                     EXHIBIT 4.1

         in years equals or exceeds the  Participant's  Vesting Years of Service
         prior to the One-Year Periods of Severance.

                  14.3(3)  In the  case  of any  Participant  who has  five  (5)
         consecutive  One-Year  Periods of  Severance,  Vesting Years of Service
         after such five (5) year  period  shall not be taken into  account  for
         purposes  of  determining  the vested  amount in his  Company  Matching
         Deposit Account which accrued prior to such five (5) year period.

         14.4     Forfeiture of Non-Vested Amount.

                  14.4(1)(a) In the case of any  Participant  who has suffered a
                  Termination  of Employment and who has received a distribution
                  of the vested amount in his Company  Matching  Deposit Account
                  and his Basic and Supplemental Before-Tax Deposit Accounts and
                  his Choice Benefits  Deposit Account (the "Vested  Amount") on
                  or  prior  to the  last  day of the  second  (2nd)  Plan  Year
                  following  the  Plan  Year  in  which  such   Termination   of
                  Employment  occurs,  the excess,  if any, of the amount in his
                  Company  Matching  Deposit  Account over the vested  amount in
                  such Account (the  "Non-Vested  Amount") shall be forfeited as
                  of the last day of the second  (2nd) Plan Year  following  the
                  Plan  Year  during   which  such   Participant   suffers  such
                  Termination of Employment.

                           (b) In the case of any Participant who has suffered a
                  Termination  of Employment and who has no Vested Amount at the
                  time of such  Termination  of  Employment,  the  amount in his
                  Company  Matching Deposit Account shall be forfeited as of the
                  last day of the second (2nd) Plan Year following the Plan Year
                  during  which such  Participant  suffers such  Termination  of
                  Employment.

                           (c) In the case of any Participant who has suffered a
                  Termination   of  Employment   and  who  has  not  received  a
                  distribution  of the Vested Amount on or prior to the last day
                  of the second (2nd) Plan Year following the Plan Year in which
                  such Termination of Employment  occurs,  the Non-Vested Amount
                  shall be  forfeited  as of the  last  day of the Plan  Year in
                  which the  Participant  incurs five (5)  consecutive  One-Year
                  Periods of Severance.

                  14.4(2)  Subject  to  the  provisions  of  Subsection  14.5(2)
         hereof, forfeited, Non-Vested Amounts shall reduce the Company Matching
         Deposits of each Participating  Company under Subsection 6.1(1). If the
         amount of the forfeited, Non-Vested Amounts for a Plan Year exceeds the
         amount of the Company Matching  Deposits for that Plan Year, the excess
         shall be treated as an increase in the specified percent  determined in
         accordance with Subsection 6.1(1) for the Plan Year.

         14.5     Restoration of Forfeited Non-Vested Amount.

                  14.5(1)  In the event a  Participant:  (i) who has  received a
         distribution  of the  vested  amount in his  Company  Matching  Deposit
         Account in  accordance  with Section  14.4  hereof,  or (ii) who has no
         vested amount in his Company  Matching  Deposit  Account at the time of
         his  Termination  of Employment  as described in Subsection  14.4(1)(b)
         hereof  returns  to  employment  with  a  Participating  Company  as an
         Employee prior to the date on which such  Participant has incurred five
         (5)  consecutive  One-Year  Periods  of  Severance,  the amount in such
         Participant's  Company  Matching  Deposit  Account  which was forfeited
         pursuant to Section 14.4 hereof  (without  adjustment  for any gains or
         losses  in the  Trust  Fund  subsequent  to such  forfeiture)  shall be
         restored  to  such  Participant's  Company  Matching  Deposit  Account;
         provided, however, that if a Participant received a distribution of the
         vested amount of his Company Matching Deposit Account and is reemployed
         by a Participating  Company as an Employee more than one year after his
         Termination of Employment,  such restoration shall not occur unless and
         until: (i) such  Participant  repays to the Plan the full amount of his
         Company  Matching  Deposit Account  previously  distributed to him, and
         (ii) such Participant's repayment is made before the earlier of the end
         of (I) the five (5) year period beginning with the  Participant's  date
         of  reemployment  or (II) a  period  of five (5)  consecutive  One-Year
         Periods  of  Severance   commencing   after  the  date  on  which  such
         Participant  received  such  distribution.  Upon the  restoration  of a
         Participant's Company Matching Deposit

                                                       II-48
<PAGE>

                                                                     EXHIBIT 4.1

         Account  as  provided  for  hereinabove,  the  vested  amount  in  such
         Participant's Company Matching Deposit Account (whether attributable to
         amounts  restored,  amounts,  if  any,  repaid  by the  Participant  or
         additional amounts added to such Account after such reemployment) shall
         thereafter  be determined  in  accordance  with the  provisions of this
         Section 14 without regard to such Participant's original Termination of
         Employment.

                  14.5(2) The restoration of a Participant's  Non-Vested  Amount
         in his Company  Matching  Deposit Account as provided for in Subsection
         14.5(1)  above,  shall be made from the  Non-Vested  Amounts  forfeited
         pursuant  to  Section  14.4  hereof   during  the  Plan  Year  of  such
         restoration   before  any  use  of  such  forfeitures  as  provided  in
         Subsection  14.4(2)  hereof.  In the  event  there  are not  sufficient
         forfeitures  to restore the entire amount owing to  Participants  under
         Subsection   14.5(1)  above,   the  additional   amount  necessary  for
         restoration shall be contributed by the Participating Company employing
         such  Participant  as a special  contribution  to be  allocated  to the
         Company Matching Deposit Account of the affected Participant.


                                 SECTION FIFTEEN

                               PAYMENT OF BENEFITS
                               -------------------

         15.1  Amount of Payment.  Upon a  Participant's  retirement,  Total and
Permanent Disability,  death or Termination of Employment, he or his Beneficiary
shall be entitled to an amount  computed in  accordance  with the  provisions of
Sections Twelve, Thirteen or Fourteen, as applicable.

         15.2     Method of and Time for Distribution of Benefits.

                  15.2(1)  Upon  a  Participant's   Termination  of  Employment,
         retirement, Total and Permanent Disability or death, distribution shall
         be made in the form of a lump sum payment of the vested  amounts in the
         Participant's   Accounts  as  soon  as   administratively   practicable
         following the date the Participant requests distribution,  valued as of
         the  most  recently  available  Valuation  Date  preceding  the date of
         distribution.

                  15.2(2)  Notwithstanding  any other  provision of this Section
         Fifteen to the  contrary,  if the vested  amounts in the  Participant's
         Accounts (other than his Rollover Account) do not exceed Three Thousand
         Five Hundred Dollars ($3,500),  distribution  shall be made as provided
         in Subsection 15.2(l), as if the Participant had requested distribution
         on the Participant's Severance from Service Date.

                  15.2(3)  Subject to the  provisions of this Section 15.2, if a
         Participant or his  Beneficiary is entitled to a distribution  pursuant
         to Section Twelve,  Thirteen or Fourteen hereof,  such amounts shall be
         distributed  not later than the sixtieth  (60th) day after the close of
         the Plan Year in which occurs the latest of:

                           (a) The  date on  which the  Participant  attains  or
                  would have attained sixty-five (65) years of age;

                           (b) The tenth (10th) anniversary of the year in which
                  the Participant commenced participation in the Plan; or

                           (c) The  Participant's  termination  of employment or
                  death.

                  15.2(4)  Notwithstanding  any other  provision of this Section
         Fifteen  to the  contrary,  no  distribution  shall be made  before the
         earlier  of the  Participant's  Retirement  Date or death  without  the
         Participant's  written consent to the commencement of such distribution
         obtained not more than ninety (90) days prior to such  commencement  of
         distribution,  if the  combined  vested  value  of  such  Participant's
         Company  Matching Deposit  Account,  Basic and Supplemental  Before-Tax
         Deposit  Accounts and Choice  Benefits  Deposit Account as of such date
         exceeds Three Thousand Five Hundred Dollars ($3,500).

                                                       II-49
<PAGE>

                                                                     EXHIBIT 4.1

                  15.2(5) Explanation to Participants:  no less than 30 days and
         no  more  than 90 days  prior  to  commencement  of  distribution,  the
         Participant  must  be  furnished  with  a  general  description  of the
         material  features,  and an explanation  of the relative  values of any
         optional  forms of  distribution  available to him under this  Section,
         and, if applicable, of his right to defer distribution.

                  A distribution may commence less than 30 days after the notice
         required under section  1.411(a)-11(c) of the Income Tax Regulations is
         given, provided that:

                           (a)  the  Plan  Administrator   clearly  informs  the
                  Participant that the Participant has a right to a period of at
                  least 30 days  after  receiving  the  notice to  consider  the
                  decision of whether or not to elect a  distribution  (and,  if
                  applicable, a particular distribution option), and

                           (b) the  Participant,  after  receiving  the  notice,
                  affirmatively elects a distribution.

                  15.2(6) If, upon the date that payments are to commence  under
         this Section Fifteen, the amount of such payment cannot be ascertained,
         a payment retroactive to such date may be made no later than sixty (60)
         days after the end of the Plan Year during which such date occurs.

         15.3 Limitations on Timing.  Notwithstanding any other provision of the
Plan to the contrary,  distributions  must occur at least as rapidly as required
under this Section 15.3.

                  15.3(1) A  Participant's  entire interest in the Plan shall be
         distributed to him no later than the Required Beginning Date. "Required
         Beginning  Date" shall mean April 1 of the calendar year  following the
         calendar year in which the Participant attains age seventy and one-half
         (70 1/2).

                  15.3(2)  In the event of the death of a  Participant  prior to
         distribution  of his  benefits  under  the Plan,  distribution  of such
         benefits to a Beneficiary shall be made within five (5) years after the
         death of such Participant.

         15.4 Payments on Personal  Receipt Except in Case of Legal  Disability.
All payments to any Participant or his  Beneficiary,  from the Trust Fund, shall
be made to the  recipient  entitled  thereto  in  person  or upon  his  personal
receipt, in a form satisfactory to the Administrative Committee, except when the
recipient  entitled thereto shall be under a legal  disability,  or, in the sole
judgment of the  Administrative  Committee,  shall  otherwise be unable to apply
such  payments  in  furtherance   of  his  own  interests  and  advantage.   The
Administrative Committee may, in such event, in its sole discretion,  direct all
or any portion of such  payments to be made in any one or more of the  following
ways: (i) directly to such person;  (ii) to the guardian of his person or of his
estate, appointed by any court of competent jurisdiction; (iii) to his spouse or
to any other person,  to be expended for his benefit;  (iv) to a custodian under
any  applicable  Uniform  Gifts  to  Minors  Act;  or (v) by the  Administrative
Committee itself directing the expenditure of any payments so made. The decision
of the  Administrative  Committee,  in each  case,  will be final,  binding  and
conclusive upon all persons ever interested  hereunder,  and, except in the case
of (v) above,  the  Administrative  Committee shall not be obliged to see to the
proper  application  or  expenditure  of any payments so made.  Any payment made
pursuant to the power herein conferred upon the  Administrative  Committee shall
operate  as a complete  discharge  of all  obligations  of the  Trustee  and the
Administrative Committee, to the extent of the amounts so paid.

         15.5 Benefits  Payable in Cash. All  disbursements  from the Trust Fund
shall be made in cash,  and no  Participant  may  elect  to  receive  an in kind
distribution of the portion of his Company  Matching  Deposit  Account,  if any,
which is invested in the Company Stock Fund.

         15.6 Distribution  Accounts. If the payment of a Participant's Accounts
is  to be  deferred  pursuant  to  Section  15.2  hereof,  the  balance  in  the
Participant's   Accounts   shall  remain   invested  in   accordance   with  the
Participant's  previous  directions  under  Section  9.4 or in  accordance  with
Section  9.5,  whichever is  applicable,  and such  Participant  may continue to
direct the investment of his Accounts in the manner and to the extent  permitted
in Section 9.4 as if the  Participant  were still employed by the  Participating
Company or an Affiliated Company.

                                                       II-50
<PAGE>

                                                                     EXHIBIT 4.1

         15.7  Distribution   Limitations  Applicable  to  Before-Tax  Deposits.
Notwithstanding  any provisions to the contrary herein, no distribution shall be
made of any  Before-Tax  Deposits or the earnings  thereon prior to the earliest
of:

                  15.7(1)  Separation  from service,  death,  or Disability,  as
         provided in Sections Twelve, Thirteen and Fourteen above.

                  15.7(2)  Termination of the Plan without  establishment  of or
         maintenance  of  another  defined  contribution  plan  (other  than  an
         employee stock  ownership plan as defined in Code Section  4975(e)(7)),
         as provided in Treasury Regulations.

                  15.7(3)  The  disposition  by  a   Participating   Company  of
         substantially all of the assets used by such Participating Company in a
         trade  or  business  of such  Participating  Company,  as  provided  in
         Treasury Regulations.

                  15.7(4)  The  disposition  by a  Participating  Company of its
         interest in a subsidiary, as provided in Treasury Regulations.

                  15.7(5) The attainment of age fifty-nine and one-half (59 1/2)
         as provided in Section 6.7 above or the  Required  Beginning  Date,  as
         provided in Section 15.3(1) above.

                  15.7(6)  Financial  hardship  pursuant  to  the  provisions of
         Section 6.7 above.

         15.8 Benefits Payable Pursuant to a Qualified Domestic Relations Order.
Notwithstanding  any  other  provision  of the Plan to the  contrary,  immediate
distribution  of benefits  payable to an Alternate Payee pursuant to a Qualified
Domestic  Relations Order shall be permitted even though the  Participant  whose
benefits  have been  assigned  to the  Alternate  Payee would not be entitled to
receive a distribution  at such time, if all of the following  requirements  are
met: (i) the  Participant's  Account is one hundred  percent  (100%)  vested and
nonforfeitable  at such time  pursuant to Section 14.1  hereof,  (ii) the entire
amount  payable  to the  Alternate  Payee does not exceed  Three  Thousand  Five
Hundred  Dollars  ($3,500),  or the  Alternate  Payee  has  requested  immediate
distribution in writing,  (iii) allocation pursuant to Section 8.1 hereof of all
amounts required to be paid to the Alternate Payee has been completed,  and (iv)
the  Qualified   Domestic   Relations   Order  requires  or  permits   immediate
distribution.

                  In the event an Alternate  Payee dies prior to distribution of
the amounts  payable to the Alternate  Payee pursuant to the Qualified  Domestic
Relations  Order,  the amount  payable shall be  distributed  as provided in the
Qualified  Domestic  Relations Order. If the Qualified  Domestic Relations Order
does not specify  how such  amounts  are to be  distributed  in the event of the
Alternate Payee's death, the  Administrative  Committee shall cause such amounts
to be distributed in accordance  with applicable law;  without  limitation,  the
Administrative  Committee may ascertain the  requirements  of applicable  law by
filing an  interpleader  or declaratory  judgment action in a court of competent
jurisdiction.

         15.9 Direct Rollovers. This Article applies to distributions made on or
after January 1, 1993. Notwithstanding any provision of the Plan to the contrary
that would  otherwise  limit a  distributee's  election  under this  Section,  a
distributee  may  elect,  at  the  time  and  in the  manner  prescribed  by the
Administrative   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.  Such procedures may limit direct rollovers to
eligible rollover  distributions of at least $200 (or those reasonably  expected
to total at least $200 when aggregated with other distributions  during the Plan
Year from this Plan). The procedures prescribed by the Administrative  Committee
may  include  a  deadline  for  making  such an  election  and may  require  the
distributee to furnish adequate information  regarding the transferee plan. Such
procedures may also require the direct  rollover of at least $500 as a condition
of permitting direct rollover of less than the total  distribution and may limit
Participants to a single direct rollover.


                                                       II-51
<PAGE>

                                                                     EXHIBIT 4.1

                  15.9(1)  Definitions.

                           (a)  Eligible  Rollover  Distribution.   An  eligible
                  rollover  distribution  is  any  distribution  of  all  or any
                  portion  of the  balance  to the  credit  of the  distributee,
                  except  that  an  eligible  rollover   distribution  does  not
                  include:   any  distribution  that  is  one  of  a  series  of
                  substantially   equal   periodic   payments   (not  less  than
                  frequently   than   annually)  made  for  the  life  (or  life
                  expectancy)  of the  distributee  or the joint lives (or joint
                  life  expectancies)  of the distributee and the  distributee's
                  designated beneficiary, or for a specified period of ten years
                  or more; any  distribution to the extent such  distribution is
                  required under Section  401(a)(9) of the Code; and the portion
                  of any  distribution  that is not  includable  in gross income
                  (determined without regard to the exclusion for net unrealized
                  appreciation with respect to employee securities).

                           (b) Eligible  Retirement Plan. An eligible retirement
                  plan is an individual  retirement account described in Section
                  408(a) of the Code, an individual retirement annuity described
                  in Section  408(b) of the Code,  an annuity plan  described in
                  Section 403(a) of the Code, or a qualified  trust described in
                  Section 401(a) of the Code that is a defined contribution plan
                  that accepts the distributee's eligible rollover distribution.
                  However, in the case of an eligible rollover distribution to a
                  surviving spouse, an eligible retirement plan is an individual
                  retirement account or individual retirement annuity.

                           (c) Distributee.  A distributee  includes an employee
                  or former  employee.  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 regard to
                  the interest of the spouse of former spouse.

                           (d) Direct  Rollover.  A direct rollover is a payment
                  by the Plan to the eligible  retirement  plan specified by the
                  distributee.


                                 SECTION SIXTEEN

                            BENEFIT CLAIMS PROCEDURE
                            ------------------------

         16.1 Claims for Benefits.  Any claim for benefits  under the Plan shall
be made in writing to the Administrative  Committee.  If such claim for benefits
is wholly or partially denied, the Administrative Committee shall, within ninety
(90) days after receipt of the claim,  notify the  Participant or Beneficiary of
the denial of the claim.  Such  notice of denial (i) shall be in  writing,  (ii)
shall be written in a manner  calculated to be understood by the  Participant or
Beneficiary,  and (iii)  shall  contain (a) the  specific  reason or reasons for
denial of the claim,  (b) a specific  reference to the pertinent Plan provisions
upon which the denial is based, (c) a description of any additional  material or
information  necessary to perfect the claim,  along with an  explanation  of why
such material or information  is necessary,  and (d) an explanation of the claim
review procedure, in accordance with the provisions of this Section Sixteen.

         16.2  Request  for Review of Denial.  Within  sixty (60) days after the
receipt by the  Participant  or Beneficiary of a written notice of denial of the
claim, or such later time as shall be deemed  reasonable taking into account the
nature  of  the   benefit   subject  to  the  claim  and  any  other   attendant
circumstances,  if the Participant or Beneficiary does not agree with the denial
of the claim,  such Participant or Beneficiary or his authorized  representative
shall file a written request with the Administrative Committee that it conduct a
full and fair review of the denial of the claim for benefits. In connection with
any request for a review of the denial of a claim for benefits,  the Participant
or Beneficiary, or his authorized representative, may review pertinent documents
relating  thereto  and  may  submit  issues  and  comments  in  writing  to  the
Administrative Committee.

         16.3 Decision on Review of Denial. The  Administrative  Committee shall
deliver to the Participant or Beneficiary a written decision on the claim within
sixty (60) days after the receipt of the  aforesaid  request for review,  except
that if there are special  circumstances (such as the need to hold a hearing, if
necessary)  which  require an extension of time for  processing,  the  aforesaid
sixty (60) day period  shall be  extended  to one  hundred  twenty  (120)  days.
Written  notice of any such extension  shall be furnished to the  Participant or
Beneficiary prior to the commencement of such

                                                       II-52
<PAGE>

                                                                     EXHIBIT 4.1

extension.  A decision on a review of a denial of a claim for benefits shall (i)
be  written  in a manner  calculated  to be  understood  by the  Participant  or
Beneficiary,  (ii) include the specific reason or reasons for the decision,  and
(iii) contain a specific  reference to the pertinent Plan  provisions upon which
the decision is based.


                                SECTION SEVENTEEN

                            MISCELLANEOUS PROVISIONS
                            ------------------------
                             RESPECTING PARTICIPANTS
                             -----------------------

         17.1     Participants to Furnish Required Information.

                  17.1(1) Each Participant  shall furnish to the  Administrative
         Committee such information as the  Administrative  Committee  considers
         necessary or desirable for purposes of administering  the Plan, and the
         provisions  of  the  Plan   respecting   any  payments   hereunder  are
         conditional upon the Participant's  furnishing promptly such true, full
         and complete information as the Administrative Committee may reasonably
         request.

                  17.1(2)   Each   Participant   shall   submit  proof  of  such
         Participant's age to the Administrative  Committee.  The Administrative
         Committee shall, if such proof of age is not submitted as required, use
         as conclusive evidence thereof,  such information as is deemed by it to
         be  reliable,  regardless  of  the  source  of  such  information.  Any
         adjustment  required by reason of lack of proof or the  misstatement of
         the age of persons entitled to benefits  hereunder,  by the Participant
         or otherwise,  shall be in such manner as the Administrative  Committee
         deems equitable.

                  17.1(3) Any notice or information which according to the terms
         of the Plan or the rules of the Administrative  Committee must be filed
         with  the  Administrative  Committee,  shall  be  deemed  so  filed  if
         addressed  and  either  delivered  in person or mailed,  postage  fully
         prepaid, to the Administrative  Committee.  Whenever a provision herein
         requires that a Participant  (or the  Participant's  Beneficiary)  give
         notice to the  Administrative  Committee  within a specified  number of
         days or by a certain  date,  and the last day of such  period,  or such
         date, falls on a Saturday,  Sunday, or company holiday, the Participant
         (or the  Participant's  Beneficiary)  will be deemed in compliance with
         such  provision if notice is delivered in person to the  Administrative
         Committee  or is  mailed,  properly  addressed,  postage  prepaid,  and
         postmarked on or before the business day next  following such Saturday,
         Sunday or company  holiday.  The  Administrative  Committee may, in its
         sole  discretion,  modify  or  waive  any  required  notice;  provided,
         however,  that such  modification  or waiver  must be  administratively
         feasible, must be in the best interest of the Participant,  and must be
         made on the basis of rules of the  Administrative  Committee  which are
         applied uniformly to all Participants.

         17.2 Participants' Rights in Trust Fund. No Participant or other person
shall have any right,  title or interest in, to or under the Trust Fund,  or any
part of the assets thereof,  except and to the extent expressly  provided in the
Plan.

         17.3     Inalienability of Benefits.

                  17.3(1)  Restrictions  on  Assignment.  The benefits  provided
         hereunder are intended for the personal security of persons entitled to
         payment under the Plan,  and are not subject in any manner to the debts
         or other  obligations  of the  persons  to whom they are  payable.  The
         interest  of  a  Participant  or  such  Participant's   Beneficiary  or
         Beneficiaries may not be sold,  transferred,  assigned or encumbered in
         any manner, either voluntarily or involuntarily,  and any attempt so to
         anticipate,  alienate,  sell, transfer,  assign,  pledge,  encumber, or
         charge  the same shall be null and void;  neither  shall the Trust Fund
         nor any  benefits  thereunder  or hereunder be liable for or subject to
         the debts, contracts,  liabilities,  engagements or torts of any person
         to whom such  benefits or funds are payable,  nor shall they be subject
         to  garnishment,  attachment,  or other legal or equitable  process nor
         shall they be an asset in  bankruptcy.  All of the  provisions  of this
         Section 17.3, however, are subject to Section 15.4.


                                                       II-53
<PAGE>

                                                                     EXHIBIT 4.1

                  17.3(2)  Exception for Qualified Domestic Relations Order.

                           (a) The prohibitions  contained in Subsection 17.3(1)
                  hereof  shall  not  apply  to  the  creation,   assignment  or
                  recognition of a right to any benefit  payable with respect to
                  a  Participant  pursuant  to a  Qualified  Domestic  Relations
                  Order.

                           (b) The Plan  Administrator  shall establish  written
                  procedures for the  determination of the qualified status of a
                  domestic relations order.

                           (c) Upon receiving a domestic  relations  order,  the
                  Plan Administrator  shall notify the Participant and Alternate
                  Payee named in the order,  in  writing,  of the receipt of the
                  order and the Plan's  procedures for determining the qualified
                  status of the order.  Within a reasonable period of time after
                  receiving the domestic relations order, the Plan Administrator
                  shall  determine the  qualified  status of the order and shall
                  notify the Participant and the Alternate Payee, in writing, of
                  its determination. The Plan Administrator shall provide notice
                  under  this   paragraph   by  mailing   such   notice  to  the
                  individual's  address  specified  in  the  domestic  relations
                  order,  or in a manner  consistent  with  Department  of Labor
                  regulations.

                           If  any  portion  of  the  Participant's  Account  is
                  payable during the period the Plan Administrator is making its
                  determination   of  the  qualified   status  of  the  domestic
                  relations order, the Administrative Committee shall direct the
                  Trustee to segregate the amounts payable in a separate account
                  and to invest the  segregated  account  solely in fixed income
                  investments. If the Plan Administrator determines the order is
                  a Qualified  Domestic  Relations  Order within  eighteen  (18)
                  months of the time for commencement of distribution  under the
                  order, the  Administrative  Committee shall direct the Trustee
                  to distribute  the segregated  account in accordance  with the
                  order.   If  the   Plan   Administrator   does  not  make  its
                  determination  of the  qualified  status of the  order  within
                  eighteen  (18)  months  after  the  time for  commencement  of
                  distribution  under the order,  the  Administrative  Committee
                  shall direct the Trustee to distribute the segregated  account
                  in the manner the Plan would  distribute  if the order did not
                  exist and shall  apply  the  order  prospectively  if the Plan
                  Administrator  later  determines  the  order  is  a  Qualified
                  Domestic Relations Order.

                           To  the  extent  it  is  not  inconsistent  with  the
                  provisions  of the Qualified  Domestic  Relations  Order,  the
                  Trustee shall  segregate  the amount  subject to the Qualified
                  Domestic  Relations Order in a separate account and invest the
                  account  in  federally   insured,   interest-bearing   savings
                  account(s)  or time  deposit(s)  (or a  combination  of both),
                  direct   obligations  of  the  United  States,  or  any  other
                  investment  providing  for  guarantee of principal and a fixed
                  rate of return.  Any segregated account shall remain a part of
                  the Trust,  but it alone  shall  share in any income it earns,
                  and it alone shall bear any expense or loss it incurs.

                           The Trustee shall make any payments or  distributions
                  required  under this  Subsection  17.3(2) by separate  benefit
                  checks  or  other  separate   distribution  to  the  Alternate
                  Payee(s).

                           (d) "Qualified  Domestic  Relations order" shall mean
                  an order which:

                                    (i)  Relates  to  the   provision  of  child
                           support, alimony payments, or marital property rights
                           to  a  spouse,   child,   or  other  dependent  of  a
                           Participant;

                                    (ii) Is made  pursuant  to a state  domestic
                           relations law (including a community property law);

                                    (iii) Creates or recognizes the existence of
                           an  Alternate  Payee's  right  to, or  assigns  to an
                           Alternate  Payee  the  right  to,  receive  all  or a
                           portion of the  benefits  payable  with  respect to a
                           Participant under the Plan; and

                                                       II-54
<PAGE>

                                                                     EXHIBIT 4.1

                                    (iv) Is determined by the Plan Administrator
                           to meet all applicable  requirements  pursuant to the
                           procedure    established   by   the   Committee   for
                           determining  whether an order is a Qualified Domestic
                           Relations Order.

                                    A   Qualified   Domestic   Relations   Order
                           includes a domestic  relations  order  issued  before
                           January   1,  1985  that  is   treated  by  the  Plan
                           Administrator as a Qualified Domestic Relations order
                           pursuant to the Retirement Equity Act of 1984.

                           (e)  "Alternative  Payee"  shall  mean an  individual
                  entitled  to benefits  under the Plan  pursuant to a Qualified
                  Domestic Relations Order.

         17.4     Address for Mailing of Benefits.

                  17.4(1) Each  Participant  and each other  person  entitled to
         benefits  hereunder shall file with the  Administrative  Committee from
         time to time in writing such Participant's post office address and each
         change of address.  Any check  representing  payment  hereunder and any
         communication  addressed to a Participant,  an Employee or Beneficiary,
         at such person's last address filed with the Administrative  Committee,
         or if no such  address  has  been  filed,  then at such  person's  last
         address as indicated on the records of a Participating  Company,  shall
         be deemed to have been  delivered  to such  person on the date on which
         such check or  communication  is  deposited,  postage  prepaid,  in the
         United States mail.

                  17.4(2)  If the  Administrative  Committee  is in  doubt as to
         whether payments are being received by the person entitled thereto,  it
         shall,  by registered  mail addressed to the person  concerned,  at his
         address last known to the Administrative Committee,  notify such person
         that all  unmailed  and  future  payments  shall be  withheld  until he
         provides the  Administrative  Committee  with evidence of his continued
         life and his proper mailing address.

         17.5  Unclaimed  Account   Procedure.   Neither  the  Trustee  nor  the
Administrative  Committee  shall be  obliged to search  for,  or  ascertain  the
whereabouts   of  any   Participant,   Beneficiary  or  Alternate   Payee.   The
Administrative  Committee,  by certified or  registered  mail  addressed to such
Participant's,  Beneficiary's  or Alternate  Payee's last known  address,  shall
notify the  Participant,  Beneficiary or Alternate Payee that such  Participant,
Beneficiary or Alternate  Payee is entitled to a  distribution  under this Plan,
and the  notice  shall  quote  the  provisions  of  this  Section  17.5.  If any
distribution or payment which is not claimed by the person  entitled  thereto or
before the termination or  discontinuance  of the Plan,  whichever occurs first,
the  Administrative  Committee shall treat the  Participant's,  Beneficiary's or
Alternate Payee's  unclaimed benefit as forfeited.  Such forfeited amounts shall
be added to forfeitures and used as herein provided.

                  If a  Participant,  Beneficiary  or  Alternate  Payee  who has
incurred  a  forfeiture  of his  benefits  under  the  provisions  of the  first
paragraph of this Section 17.5 makes a claim for such forfeited benefit,  at any
time prior to termination  or  discontinuance  of the Plan,  the  Administrative
Committee shall restore the  Participant's,  Beneficiary's or Alternate  Payee's
forfeited  benefit to the same dollar amount as the dollar amount of the benefit
forfeited,  unadjusted for any gains or losses occurring  subsequent to the date
of the forfeiture.  The  Administrative  Committee  shall make the  restoration,
during the Plan Year in which the  Participant,  Beneficiary or Alternate  Payee
makes the claim,  first from the amount, if any, of Participant  forfeitures the
Administrative  Committee  otherwise  would use for the Plan Year, and then from
the  amount,  or  additional  amount,  the  Participating  Company for whom such
Participant   was  employed   shall   contribute  to  the  Plan  to  enable  the
Administrative  Committee to make the required  restoration.  The Administrative
Committee   shall   direct  the  Trustee  to   distribute   the   Participant's,
Beneficiary's  or Alternate  Payee's  restored  benefit to him in a lump sum not
later  than  sixty  (60)  days  after  the  close of the Plan  Year in which the
Administrative Committee restores the forfeited benefit.

                                                       II-55
<PAGE>

                                                                     EXHIBIT 4.1

                                SECTION EIGHTEEN

                             LOANS TO PARTICIPANTS,
                       BENEFICIARIES AND ALTERNATE PAYEES
                       ----------------------------------

         Upon the written application of any Participant or any Beneficiary (and
any Former Participant or Beneficiary who is a party-in-interest with respect to
the  Plan and who has an  undistributed  Account  under  the  Plan)  made to the
Administrative  Committee  on such  form  and  accompanied  by  such  additional
documentation and information as the Administrative Committee shall require, the
Administrative  Committee shall, if the Administrative  Committee determines the
loan  would  comply  with  all of the  loan  requirements,  make a loan  to such
individual (the "Borrower"); provided, however, that the amount of any such loan
to a Borrower when added to the outstanding  balance of all other such loans, if
any, made to such Borrower  hereunder,  shall not exceed the lesser of (a) Fifty
Thousand  Dollars  ($50,000)  reduced  by the  excess,  if any,  of the  highest
outstanding  balance of loans from the Plan during the one-year period ending on
the day before the date on which the loan is made, over the outstanding  balance
of loans  from the Plan on the  date on  which  the loan is made,  or (b)  fifty
percent (50%) of the vested amounts in all of the Borrower's  Accounts valued as
of the Valuation Date coincident with or next preceding the date of the loan, or
(c) one hundred percent (100%) of the amounts in the Borrower's Accounts,  other
than Amounts invested in the Company Stock Fund, valued as of the Valuation Date
coincident  with or next  preceding  the date of the  loan.  The  Administrative
Committee may establish uniform and nondiscriminatory  rules which further limit
the amount and the Accounts from which Participants, Beneficiaries and Alternate
Payees may borrow so long as such rules are in writing  and are  distributed  to
Participants,  Beneficiaries and Alternate  Payees.  Loans shall be available to
all Participants,  Beneficiaries and Alternate Payees on a reasonably equivalent
basis,  and shall not be made  available  to Highly  Compensated  Employees as a
percentage of their  Accounts  greater than the  percentage of the Accounts made
available  to other  Participants,  Beneficiaries  or  Alternate  Payees.  Loans
outstanding  on September 1, 1991,  which were made from the Prior Plan shall be
treated  as a loan made from the Plan and any such loan  shall not be treated as
renewed or  renegotiated  as a result of its  transfer  to this Plan.  All loans
shall be subject to the following terms and conditions:

                  (a) Interest  will be based on a  reasonable  rate of interest
         which shall be commensurate  with the interest rates charged by persons
         in the business of lending  money for loans of a similar  nature.  This
         reasonable  rate of interest shall be determined by the  Administrative
         Committee, in its sole discretion,  through reasonable investigation of
         the interest rates charged by lenders in Fort Smith, Arkansas for loans
         of a similar  nature at or near the time that the Plan loan is granted.
         Administrative  fees related to a loan may be charged  against the loan
         proceeds  and/or  the  Borrower's  Account  in  accordance  with  rules
         prescribed by the Administrative Committee.

                  (b) Any loan made to a Borrower shall be considered a directed
         investment  of  such  Borrower.  The  Administrative  Committee  shall,
         subject to any terms and conditions  imposed by the Trustee,  establish
         uniform  policies  and  procedures  regarding  the  manner in which the
         amount of any loan shall be obtained from the Investment Funds referred
         to in  Section  9.4  hereof  to which the  Borrower  has  directed  the
         investment  of the amounts  credited  to his  Accounts.  Repayments  of
         principal  amounts and interest  paid on such loan shall be credited to
         the Borrower's Account from which the loan was made on the basis of the
         amount  of the loan from each such  account.  Repayments  of  principal
         amounts and interest  payments on any loan shall be invested  among the
         Investment Funds in accordance with the Borrower's  current  investment
         direction for his Accounts pursuant to Section 9.4.

                  (c) Loans shall be evidenced by  promissory  notes in the form
         approved by the Administrative Committee,  which shall specify the time
         and manner of repayment as determined by the  Administrative  Committee
         in accordance with uniform and nondiscriminatory rules. Notwithstanding
         the foregoing provisions,  it is generally intended that repayment of a
         loan by an Employee will be made by payroll deduction.  All loans shall
         be amortized in level payments made no less  frequently  than quarterly
         over the term of the loan. In no event shall any loan be repayable over
         a period in  excess of five (5) years  from the date such loan is made,
         unless such loan is used to acquire any  dwelling  unit which  within a
         reasonable time is to be used (determined at the time the loan is made)
         as the  principal  residence of the Borrower,  in which case,  the loan
         shall be

                                                       II-56
<PAGE>

                                                                     EXHIBIT 4.1

         repayable  over a reasonable  period as determined  in accordance  with
         uniform rules established by the Administrative Committee.

                  (d) Every loan shall be secured by fifty  percent (50%) of the
         amount  in the  Borrower's  Accounts  under the  Plan,  and such  other
         security, if any, as the Administrative  Committee shall deem necessary
         to ensure that the loan is adequately secured.

                  (e) Loan  funds  shall  be  disbursed  as soon as  practicable
         following  receipt  by  tile  Administrative   Committee  of  the  loan
         application.

                  (f) In the event that (i) a terminated  Participant  elects to
         defer  distribution,  (ii) a Participant  on unpaid leave elects not to
         repay  his loan in  full,  or  (iii) a Plan  loan  has  been  made to a
         Beneficiary  or Alternate  Payee,  repayments to the Plan shall be made
         pursuant to such loan's repayment schedule. An "Event of Default" shall
         be deemed to have occurred if two (2)  consecutive  loan repayments are
         not  made  on or  before  the  due  date of the  second  (2nd)  of such
         payments. When an Event of Default occurs, the Administrative Committee
         shall  offset,  to the extent  legally  permissible,  the unpaid amount
         (including interest) against the Borrower's Accounts to the extent such
         Accounts are security  for the loan.  To the extent not so offset,  the
         unpaid  balance  will bear  interest  at the  maximum  legal rate until
         offset.

                  (g) No loans shall be made for less than One Thousand  Dollars
         ($1,000).

                  (h) No Borrower  shall have more than one loan  outstanding at
         any time. If a Plan loan is prepaid,  the Borrower may not take another
         loan  until  after  the  end of  the  calendar  quarter  in  which  the
         prepayment occurred.

                  (i) If a loan is made to a married  Borrower,  the  Borrower's
         spouse must consent to the loan.  The spouse's  consent to the loan (i)
         must be in writing,  (ii) must be witnessed by a Plan representative or
         notary public,  (iii) must  acknowledge that the loan is secured by the
         Borrower's  Accounts  under  the  Plan and  that  the  amounts  in such
         Accounts  may be  offset  by the  amount of the  unpaid  principal  and
         interest   under   such   loan,   and  (iv)   shall   be   irrevocable.
         Notwithstanding the foregoing provisions of this Section Eighteen,  the
         spouse's  consent to a loan shall not be required if the  Borrower  can
         establish to the satisfaction of the Administrative Committee that such
         written  consent  cannot  be  obtained  because  the  spouse  cannot be
         located.

                  (j)  The   Administrative   Committee   shall  establish  such
         additional  loan  policies and  procedures  as are necessary to provide
         uniform and  nondiscriminatory  rules  governing the making of loans to
         Participants, Beneficiaries and Alternate Payees.

                  (k) Loans shall not be made to the extent  they would  violate
         Section  4975 of the Code or Section  406 of ERISA and the  regulations
         thereunder,  to the  extent  they  would be taxed as  distributions  to
         Participants  under  Section  72(p) of the Code,  or to the extent they
         would violate any applicable  law, and all  provisions  hereof shall be
         interpreted accordingly.


                                SECTION NINETEEN

                     ADOPTION OF PLAN BY AFFILIATED COMPANY
                     --------------------------------------

         Any Affiliated Company,  whether or not presently  existing,  may, with
the  approval of the Board of Directors of the  Sponsoring  Company,  adopt this
Plan pursuant to  appropriate  written  resolutions of the Board of Directors of
such  Affiliated  Company and, if appropriate,  by executing such documents,  if
any,  with the Trustee as may be  necessary  to make such  Affiliated  Company a
party to the Trust Agreement as a Participating  Company. Any Affiliated Company
which adopts the Plan is thereafter a Participating  Company with respect to its
Employees for purposes of the Plan.

                                                       II-57
<PAGE>

                                                                     EXHIBIT 4.1


                                 SECTION TWENTY

                              WITHDRAWAL FROM PLAN
                              --------------------

         20.1 Notice of  Withdrawal.  Any  Participating  Company may,  with the
approval  of the  Board  of  Directors  of  the  Sponsoring  Company,  as of any
Valuation Date, withdraw from the Plan upon giving the Administrative  Committee
and the Trustee at least thirty (30) days' notice in writing of its intention to
withdraw.

         20.2 Segregation of Trust Assets upon  Withdrawal.  Upon the withdrawal
of a Participating Company pursuant to Section 20.1, the Trustee shall segregate
the share of the assets in the Trust  Fund,  the value of which  shall equal the
total credited to the Accounts of Participants of the withdrawing  Participating
Company. The determination of which assets are to be so segregated shall be made
by the Trustee, in its sole discretion, after taking into account the investment
selections provided for in Section 9.4 hereof.

         20.3 Exclusive Benefit of Participants. Neither the segregation and any
transfer of the Trust assets upon the withdrawal of a Participating  Company nor
the execution of a new agreement and/or declaration of trust by such withdrawing
Participating  Company  shall operate to permit any part of the Trust Fund to be
used for or  diverted to purposes  other than for the  exclusive  benefit of the
Participants.

         20.4 Applicability of Withdrawal Provisions.  The withdrawal provisions
contained in this Section  Twenty shall be  applicable  only if the  withdrawing
Participating Company continues to cover its Participants and eligible Employees
in another profit-sharing plan and trust qualified under Sections 401 and 501 of
the Code.  Otherwise,  the  termination  provisions  of the Plan and Trust shall
apply.


                               SECTION TWENTY-ONE

                              AMENDMENT OF THE PLAN
                              ---------------------

         The Board of Directors of the Sponsoring  Company reserves the right to
amend the Plan with respect to all Participating  Companies at any time and from
time to time. In addition,  the Board of Directors of each Participating Company
may amend the Plan with respect to such  Participating  Company at any time, and
from time to time,  pursuant  to  written  resolutions  adopted by such Board of
Directors,  provided the  Sponsoring  Company  approves such  amendment.  Unless
otherwise permitted by law, no amendment shall permit any part of the Trust Fund
to revert to or be  recoverable  by a  Participating  Company  or be used for or
diverted to purposes  other than the exclusive  benefit of the  Participants  or
their Beneficiaries, or deprive any Participant of any interest he might have in
the Trust Fund at the time of the  amendment  to the extent  that such  interest
would be available to the  Participant  under Section  Fifteen hereof were he to
voluntarily resign as of the effective date of the amendment.

                  (a) Under no condition,  shall such amendment,  amendments, or
         restatements  increase the duties or responsibilities,  or decrease the
         compensation,  privileges,  and  immunities of the Trustee  without the
         Trustee's written consent.

                  (b)  Under no  condition,  shall  such  amendment  change  the
         vesting  schedule  to one  which  would  result  in the  nonforfeitable
         percentage  of  the  accrued  benefit  derived  from  Company  Matching
         Deposits (determined as of the later of the date of the adoption of the
         amendment or of the effective date of the amendment) of any Participant
         being less than such nonforfeitable  percentage computed under the Plan
         without regard to such amendment; no amendment shall change the vesting
         schedule unless each  Participant  with three (3) or more Vesting Years
         of Service, is permitted to elect, within the election period described
         below, to have his  nonforfeitable  percentage  computed under the Plan
         without regard to the amendment.  The election period  described herein
         shall begin no later than the date upon which the  amendment is adopted
         and shall end no later than the latest of the following  dates: (i) the
         date which is sixty (60) days after the day the amendment is adopted,

                                                       II-58
<PAGE>

                                                                     EXHIBIT 4.1

         (ii) the date  which is sixty  (60) days  after  the day the  amendment
         becomes effective, or (iii) the date which is sixty (60) days after the
         day the  Participant is issued a written notice of the amendment by the
         Sponsoring Company.

                  (c)  Subject  to  the  above   stated   limitations   and  the
         requirement that no amendment shall  eliminate,  except with respect to
         any future  contributions  or future  accrual of benefits and except as
         otherwise   permitted   by  Treasury   regulations   or  rulings,   any
         nondiscretionary  optional  form of payment  (as  provided  in Treasury
         Regulation Section 1.411(d)-4 and Code  Section(d)(6))  with respect to
         any  Participant  who  is  a  Participant   immediately  prior  to  the
         amendment,  the  Sponsoring  Company  shall have the power to amend the
         Plan and Trust Agreement,  retroactively or otherwise, in any manner in
         which it deems desirable,  including, but not by way of limitation, the
         power to change any provisions  relating to the  administration  of the
         Plan and Trust  Fund,  and to change  any  provisions  relating  to the
         benefits or payment of any of the assets of the Trust  Fund.  Each such
         amendment  shall  become  effective  when  executed  by the  Sponsoring
         Company  unless  a  different   effective  date  is  specified  in  the
         amendment.

                  (d) Notwithstanding anything herein to the contrary, this Plan
         may be amended at any time by the  Sponsoring  Company if  necessary or
         desirable  in  order  to  have  it  conform  to  the   provisions   and
         requirements  of the Code or any other law with  respect  to  qualified
         employees' plans and trusts,  and no such amendment shall be considered
         prejudicial  to the  rights  of  any  Participant  hereunder  or of any
         Beneficiary,  Alternate  Payee or Employee.  Further,  it is understood
         that any provisions of this Plan as herein contained which are contrary
         to the  requirements of the Code for a qualified tax exempt  employees'
         plan and trust shall be deemed void and of no effect, without affecting
         the validity of other provisions hereof.


                               SECTION TWENTY-TWO

                             PERMANENCY OF THE PLAN
                             ----------------------

         22.1 Right to Terminate Plan. Each Participating  Company  contemplates
that the Plan shall be permanent and that it shall be able to make contributions
to the Plan. Nevertheless, in recognition of the fact that future conditions and
circumstances  cannot  now be  entirely  foreseen,  each  Participating  Company
reserves the right to terminate (as to such  Participating  Company)  either the
Plan or both the Plan and the Trust,  and the  Sponsoring  Company  reserves the
right to terminate the Plan and Trust in its entirety.

         22.2 Merger or  Consolidation  of Plan and Trust.  Neither the Plan nor
the Trust may be merged or consolidated  with, nor may its assets or liabilities
be transferred to, any other plan or trust,  unless each  Participant  would (if
the Plan  then  terminated)  receive  a benefit  immediately  after the  merger,
consolidation,  or  transfer  which is equal to or greater  than the  benefit he
would  have  been   entitled   to  receive   immediately   before  the   merger,
consolidation, or transfer (if the Plan had then terminated).

         22.3 Continuance by Successor Company. In the event of the liquidation,
dissolution, merger, consolidation or reorganization of a Participating Company,
the  successor  company  may adopt the Plan and  Trust  for the  benefit  of the
employees of such  Participating  Company.  If such successor company does adopt
the  Plan  and  Trust,  it  shall,  in all  respects,  be  substituted  for such
Participating  Company under the Plan and Trust.  Any such  substitution of such
successor  company shall  constitute an assumption of Plan  liabilities  by such
successor  company,  and such  successor  company  shall have all of the powers,
duties and  responsibilities  of such  Participating  Company under the Plan and
Trust. If such successor company does not adopt the Plan and Trust, the Plan and
Trust  shall  be  terminated  with  respect  to such  Participating  Company  in
accordance with the provisions of the Plan and Trust Agreement.

                                                       II-59
<PAGE>

                                                                     EXHIBIT 4.1


                              SECTION TWENTY-THREE

                   DISCONTINUANCE OF DEPOSITS AND TERMINATION
                   ------------------------------------------

         23.1  Discontinuance  of  Deposits.  Whenever a  Participating  Company
determines  that  it  is  impossible  or  inadvisable  for  it to  make  further
contributions  as  provided  in  the  Plan,  the  Board  of  Directors  of  such
Participating  Company may, without  terminating the Trust, adopt an appropriate
resolution   permanently   discontinuing  all  further   contributions  by  such
Participating Company. A certified copy of such resolution shall be delivered to
the  Administrative  Committee and the Trustee.  Thereafter,  the Administrative
Committee and the Trustee shall continue to administer all the provisions of the
Plan which are necessary and remain in force, other than the provisions relating
to contributions by such Participating Company.  However, the Trust shall remain
in  existence  with  respect  to  such  Participating  Company  and  all  of the
provisions of the Trust Agreement shall remain in force.

         23.2  Termination  of Plan and Trust.  If the Board of  Directors  of a
Participating Company determines to terminate (as to such Participating Company)
the Plan and Trust  completely,  they  shall be  terminated  insofar as they are
applicable to such  Participating  Company as of the date specified in certified
copies of resolutions of such Board of Directors delivered to the Administrative
Committee and the Trustee.  Upon such  termination of the Plan and Trust,  after
payment of all expenses and proportional  adjustment of Accounts of Participants
employed by such  Participating  Company to reflect  such  expenses,  Trust Fund
profits or losses,  and  subject to the  limitations  contained  in Section  7.4
hereof,  allocations  of  any  previously  unallocated  funds  to  the  date  of
termination,  such  Participating  Company's  Participants  shall be entitled to
receive the amount then credited to their respective Accounts in the Trust Fund.
The  Administrative  Committee  shall make payment to such  Participants of such
amount  in  cash;  provided,  however,  that  if  the  Administrative  Committee
determines  that  certain  assets  (other  than  Company  Stock) are not readily
saleable  at  their  fair  market  value,  the  Administrative  Committee  shall
distribute such assets (other than Company Stock) in kind.

         23.3  Rights  to  Benefits  upon   Termination   of  Plan  or  Complete
Discontinuance of Deposits.  Upon the termination or partial  termination of the
Plan or the complete discontinuance of contributions by a Participating Company,
the  rights  of each of such  Participating  Company's  Employees  who are  then
Participants  (or,  in  the  case  of  a  partial  termination,   who  are  then
Participants  affected by the  termination) and the rights of each other person,
other than a person who has forfeited his non-vested amounts pursuant to Section
14.4  hereof  prior  to the  effective  date of  such  termination  (or  partial
termination) or complete discontinuance, to the amounts credited to his Accounts
at such time, shall be nonforfeitable  without reference to any formal action on
the part of such  Participating  Company,  the  Administrative  Committee or the
Trustee.


                               SECTION TWENTY-FOUR

                         STATUS OF EMPLOYMENT RELATIONS
                         ------------------------------

         The adoption and  maintenance of the Plan and Trust shall not be deemed
to constitute a contract between a Participating Company and its Employees or to
be  consideration  for, or an inducement or condition of, the  employment of any
person. Nothing herein contained shall be deemed (i) to give to any Employee the
right to be retained in the employ of a  Participating  Company;  (ii) to affect
the right of a Participating  Company to discipline or discharge any Employee at
any  time;  (iii) to give a  Participating  Company  the  right to  require  any
Employee  to remain in its  employ;  or (iv) to affect any  Employee's  right to
terminate his employment at any time.

                                                       II-60
<PAGE>

                                                                     EXHIBIT 4.1

                               SECTION TWENTY-FIVE

                            BENEFITS PAYABLE BY TRUST
                            -------------------------

         All  benefits  payable  under the Plan  shall be paid or  provided  for
solely  from the  Trust.  The  Participating  Company  assumes no  liability  or
responsibility therefor.


                               SECTION TWENTY-SIX

                         EXCLUSIVE BENEFIT OF TRUST FUND
                         -------------------------------

         26.1 Limitation on Reversions.  Except as otherwise provided in Section
6.4 hereof or in this Section Twenty-Six,  the assets of the Trust Fund shall be
held for the exclusive  purposes of providing benefits to Participants and their
Beneficiaries  and defraying  reasonable  expenses of administering the Plan and
shall not inure to the benefit of any Participating Company.

         26.2  Unallocated  Amounts upon  Termination of Plan and Trust.  In the
event the Plan and Trust are  terminated,  any  previously  unallocated  amounts
maintained in a suspense  account in accordance  with the  provisions of Section
7.4 hereof which cannot be allocated to Participants upon the termination of the
Plan and Trust  pursuant  to Section  23.2  hereof  because  of the  limitations
contained in Sections 7.4 through 7.7 hereof,  shall revert to the Participating
Company or Participating Companies employing the Participant at the time of such
termination.

         26.3   Mistake  of  Fact  or   Disallowance   of   Deduction.   If  the
Administrative  Committee in good faith  determines that (a) a contribution  was
made by reason of a mistake of fact, or (b) a contribution is conditioned on its
being  deductible  under Code  Section 404,  but the  Internal  Revenue  Service
disallows  such  deduction,  the amount of the excess  contribution  less losses
attributable  thereto may, upon direction of the  Administrative  Committee,  be
returned to the  contributing  Participating  Company.  All payments of returned
contributions under this Section shall be made within one (1) year from the date
of the payment of such mistaken contribution or the disallowance by the Internal
Revenue  Service of the deduction,  whichever is  applicable.  The amount of the
excess  contribution  shall be the excess of (1) the amount contributed over (2)
the amount that would have been  contributed had there not occurred a mistake of
fact or had the  deduction not been  disallowed.  Earnings  attributable  to the
excess  contribution  shall not be  returned to the  contributing  Participating
Company,  but  losses  attributable  thereto  shall  reduce  the  amount of such
contribution  to be so returned.  Furthermore,  if the  withdrawal of the amount
attributable  to  the  mistaken  contribution  would  cause  the  balance  of  a
Participant's  Account to be reduced to an amount which is less than the balance
which  would  have  been in  said  Account  had the  mistaken  amount  not  been
contributed,  then the amount to be returned to the Participating  Company under
this Section will be reduced so as to avoid any such reduction.

         26.4 Failure of Initial  Qualification  of Plan and Trust.  The initial
establishment of the Plan and Trust by any  Participating  Company is contingent
upon obtaining the approval of the Internal Revenue  Service.  In the event that
the Internal Revenue Service fails initially to approve the Plan and Trust as to
any  Participating  Company,  the  Trustee  shall,  after  paying  any  expenses
attributable to such initial establishment, return to such Participating Company
any remaining  contribution made by such Participating  Company.  Such remaining
contribution shall be returned as promptly as practicable, but in no event later
than one (1) year  after the date of the final  denial of  qualification  of the
Plan as to such  Participating  Company,  including the final  resolution of any
appeals before the Internal Revenue Service or the courts.

                                                       II-61
<PAGE>

                                                                     EXHIBIT 4.1

                              SECTION TWENTY-SEVEN

                                 APPLICABLE LAW
                                 --------------

         To the extent not  preempted  by ERISA,  the Plan and Trust  which is a
part thereof shall be construed,  regulated,  interpreted and administered under
and in accordance with the laws of the State of Arkansas.


                              SECTION TWENTY-EIGHT

                      INTERPRETATION OF THE PLAN AND TRUST
                      ------------------------------------

         It is the intention of the  Participating  Companies that the Plan, and
the Trust  established  by the  Participating  Companies to implement  the Plan,
shall qualify as a profit-sharing plan and a discretionary contribution plan and
shall comply with the provisions of Section 401(a),  Section 401(k), and Section
501(a)  of the  Code  and the  requirements  of  ERISA,  and  the  corresponding
provisions  of any  subsequent  laws,  and the  provisions of the Plan and Trust
Agreement shall be construed to effectuate such intention.


                               SECTION TWENTY-NINE

                              TOP HEAVY PLAN RULES
                              --------------------

         29.1     Definitions.  As used in this Section Twenty-Nine:

                  29.1(1)  "Defined  Benefit Plan" shall  have the  meaning  set
         forth in Subsection 7.7(3) hereof.

                  29.1(2)  "Defined Contribution Plan"  shal  have  the  meaning
         set forth in Subsection 7.7(2) hereof.

                  29.1(3)  "Determination  Date" shall mean with  respect to any
         plan year, the last day of the preceding plan year,  except that in the
         case of the first  plan year of any  plan,  the last day of such  first
         plan year.

                  29.1(4)  "Employer" shall mean the  Participating  Company and
         any Affiliated Companies.

                  29.1(5)  "Key  Employee"  shall  mean any person  employed  or
         formerly  employed by any Employer (and the  beneficiaries  of any such
         person)  who is,  at any time  during  the  plan  year  containing  the
         Determination  Date,  or who  was,  during  any one or more of the four
         preceding plan years, any one or more of the following:

                           (a) An officer of an Employer having  Limitation Year
                  Compensation  for the applicable  plan year greater than fifty
                  percent (50%) of the maximum dollar  limitation  under Section
                  415(b)(1)(A)  of the Code (as in effect for the calendar  year
                  in which the Determination Date for such plan year falls).

                           (b)  A  person   employed  by  an   Employer   having
                  Limitation  Year  Compensation  for the  applicable  plan year
                  greater  than the  maximum  dollar  limitation  under  Section
                  415(c)(1)(A) of the Code as in effect for the calendar year in
                  which the  Determination  Date for such plan year  falls,  and
                  owning (or  considered as owning within the meaning of Section
                  318 of the Code) both more than  one-half of one percent  (1/2
                  of 1%) interest  and one of the ten (10) largest  interests in
                  the  Employer.  For  purposes of this  Subsection  (b),  (i) a
                  person who has some ownership interest is considered to be one
                  of the top ten owners  unless at least ten other persons own a
                  larger interest than that person, and (ii) if two or more have
                  the same ownership interest in the Employer, the person having
                  greater annual Limitation Year Compensation from all Employers
                  shall be treated as having the larger interest.

                                                      II-62
<PAGE>

                                                                     EXHIBIT 4.1

                           (c) Any person owning (or considered as owning within
                  the meaning of Section 318 of the Code) more than five percent
                  (5%)  of  the  outstanding  stock  of  an  Employer  or  stock
                  possessing  more than five percent (5%) of the total  combined
                  voting  power of such stock or more than five  percent (5%) of
                  the capital or profits  interest of an Employer which is not a
                  corporation.

                           (d) A person who would be described in Subsection (c)
                  above if "one percent (1%)" were substituted for "five percent
                  (5%)" each place it appears in said  Subsection (c), and whose
                  aggregate  annual   Limitation  Year   Compensation  from  all
                  Employers  is more than One  Hundred  Fifty  Thousand  Dollars
                  ($150,000).

                           (e)  Notwithstanding any other provision in this Plan
                  to the contrary,  for purposes of determining  ownership under
                  this Subsection 29.1(5), the rules of Sections 414(b), (c) and
                  (m)  of  the  Code  shall  not  apply  in  defining  who is an
                  Employer.

                  The determination of who is a Key Employee  hereunder shall be
         made in accordance with the provisions of Section 416(i)(1) of the Code
         and the regulations thereunder.

                  29.1(6) "Key Employee Participant" shall mean a Participant in
         this Plan who is a Key Employee.

                  29.1(7)  "Limitation Year Compensation" shall have the meaning
         set forth in Subsection  7.7(7)  hereof,  except that if the Limitation
         Year and the plan year under the applicable plan are not the same, then
         for  purposes  of  this  Section  Twenty-Nine,  "plan  year"  shall  be
         substituted  for  "Limitation  Year"  every  place  it  occurs  in said
         Subsection 7.7(7).

                  29.1(8) "Permissive Aggregation Group" shall mean the Required
         Aggregation  Group,  plus  any  other  plan or  plans  of any  Employer
         selected by the Sponsoring Company,  provided that such selected plans,
         when considered as a group with the Required  Aggregation  Group, would
         continue to satisfy the  requirements of Sections  401(a)(4) and 410 of
         the Code.

                  29.1(9) "Required  Aggregation  Group" shall mean the group of
         plans  consisting  of (i) all tax  qualified  plans  maintained  by the
         Employers in which at least one Key Employee participates, and (ii) any
         other tax qualified  plan  maintained by the Employers  which enables a
         plan described in clause (i) above to meet the requirements of Sections
         401(a)(4) and 410 of the Code.

                  29.1(10)  "Valuation  Date"  shall  mean  (i) in the case of a
         Defined  Contribution  Plan,  the  last  day of the  plan  year for the
         appropriate  plan, and (ii) in the case of a Defined  Benefit Plan, the
         date used for computing plan costs for minimum  funding,  regardless of
         whether a valuation is performed that year.

                  29.1(11)  All of the  definitions  set  forth in  Section  Two
         hereof and not set forth  herein  shall  have the same  meaning in this
         Section.

         29.2     Determination of Top Heaviness.

                  29.2(1)  This Plan shall be a "Top Heavy Plan" with respect to
         any Plan Year if, as of the Determination  Date for said Plan Year, any
         of the following conditions exists:

                           (a) The Top Heavy Ratio for this Plan  exceeds  sixty
                  percent  (60%)  and  this  Plan  is  not  part  of a  Required
                  Aggregation Group or a Permissive Aggregation Group.

                           (b)  This  Plan  is part  of a  Required  Aggregation
                  Group, but not part of a Permissive Aggregation Group, and the
                  Top Heavy Ratio for the  Required  Aggregation  Group  exceeds
                  sixty percent (60%).

                                                       II-63
<PAGE>

                                                                     EXHIBIT 4.1

                           (c) This Plan is part of a Required Aggregation Group
                  and part of a Permissive  Aggregation Group, and the Top Heavy
                  Ratio  for the  Permissive  Aggregation  Group  exceeds  sixty
                  percent (60%).

                  29.2(2)  This Plan  shall be a "Super  Top  Heavy  Plan" if it
         would be a Top Heavy Plan under the  provisions of  Subsection  29.2(1)
         above if "ninety  percent  (90%)" were  substituted  for "sixty percent
         (60%)"  everywhere  sixty  percent  (60%)  appears  in said  Subsection
         29.2(1).

                  29.2(3)The "Top Heavy Ratio" referred to in Subsection 29.2(1)
         above shall be determined as follows:

                           (a) If the Employers  maintain or have maintained one
                  or more Defined Contribution Plans but have never maintained a
                  Defined  Benefit  Plan  which  has  covered  or could  cover a
                  Participant  in this Plan,  the Top Heavy Ratio is a fraction,
                  the  numerator  of  which is the sum of the  account  balances
                  under the Defined  Contribution Plans for all Key Employees as
                  of the  Determination  Date  (including  any  part of any such
                  account balance distributed in the five (5) year period ending
                  on the  Determination  Date),  and the denominator of which is
                  the sum of all account balances under the Defined Contribution
                  Plans  for  all  participants  as of  the  Determination  Date
                  (including any part of any such account balance distributed in
                  the five (5) year period  ending on the  Determination  Date).
                  Both the numerator and the  denominator of the Top Heavy Ratio
                  shall be adjusted to reflect any contribution which is due but
                  unpaid  as  of  the   appropriate   Determination   Date.   In
                  determining the account  balances which have been  distributed
                  in the five (5) year period ending on the Determination  Date,
                  distributions  under a  terminated  plan  shall  be  included,
                  provided such terminated  plan, if it had not been terminated,
                  would have been included in a Required Aggregation Group.

                           (b) If the  Employers  maintain  one or more  Defined
                  Contribution Plans and maintain or have maintained one or more
                  Defined  Benefit  Plans  which have  covered or could  cover a
                  Participant  in this Plan,  the Top Heavy Ratio is a fraction,
                  the  numerator of which is the sum of account  balances  under
                  the Defined  Contribution  Plans for all Key Employees and the
                  present value of accrued  benefits  under the Defined  Benefit
                  Plans  for  all  Key  Employees,  both  calculated  as of  the
                  Determination Date, and the denominator of which is the sum of
                  the account balances under the Defined  Contribution Plans for
                  all  participants  and the present  value of accrued  benefits
                  under the Defined  Benefit  Plans for all  participants,  both
                  calculated as of the  Determination  Date.  Both the numerator
                  and  denominator  of the Top Heavy Ratio are  adjusted for any
                  distribution  of an account balance or an accrued benefit made
                  in  the  five  (5)  year  period  ending  on  the  appropriate
                  Determination  Date and any  contribution due but unpaid as of
                  the appropriate Determination Date. In determining the account
                  balances or accrued  benefits  which have been  distributed in
                  the five (5) year  period  ending on the  Determination  Date,
                  distributions  under a  terminated  plan  shall  be  included,
                  provided such terminated  plan, if it had not been terminated,
                  would have been included in a Required Aggregation Group.

                           (c) For  purposes of  Subsections  (a) and (b) above,
                  the value of account balances and the present value of accrued
                  benefits  shall be determined as of the most recent  Valuation
                  Date that  falls  within or ends with the  twelve  (12)  month
                  period ending on the Determination  Date. The present value of
                  accrued   benefits  under  Defined   Benefit  Plans  shall  be
                  determined  under the actuarial  assumptions set forth in each
                  such  plan  as  of  said  Valuation  Date  as  if  the  person
                  voluntarily  terminated  service as of such Valuation Date. If
                  any  Participant was a Key Employee as set forth in Subsection
                  29.1(5)  above for any prior plan year,  but such  Participant
                  ceases  to  be  a  Key  Employee  for  any  plan  year,   such
                  Participant's  account balances and accrued benefits shall not
                  be taken into account for purposes of determining whether this
                  Plan is a Top Heavy  Plan or a Super Top Heavy  Plan as of the
                  Determination  Date of said plan year.  Accounts  and  accrued
                  benefits   shall  be   calculated   to  include   all  amounts
                  attributable to both Employer  contributions and contributions
                  by persons employed by the Employer, but shall exclude amounts
                  attributable  to voluntary  deductible  contributions  by said
                  persons.  The  calculation  of the Top Heavy  Ratios,  and the
                  extent to which distributions, rollovers and transfers

                                                       II-64
<PAGE>

                                                                     EXHIBIT 4.1

                  are  taken  into  account  shall  be made in  accordance  with
                  Section 416 of the Code and the regulations  thereunder.  When
                  aggregating  plans for purposes of an Aggregation  Group,  the
                  value  of  account  balances  and  accrued  benefits  will  be
                  calculated with reference to the Determination Dates that fall
                  within the same calendar year.  Notwithstanding the provisions
                  of Subsections (a) and (b) above, in determining the fractions
                  referred to therein, there shall not be taken into account the
                  accrued benefits or account balances of any person who has not
                  received any Limitation  Year  Compensation  from any Employer
                  maintaining any Defined  Contribution  Plan or Defined Benefit
                  Plan  referred to in such  Subsections  at any time during the
                  five (5) year period ending on the Determination Date.

         29.3 Minimum Requirements.  Notwithstanding any other provision of this
Plan to the  contrary,  if the Plan is a Top Heavy Plan for any Plan Year,  then
the following provisions shall apply:

                  29.3(1) Minimum Allocation of Participating  Company Deposits.
         Except as otherwise provided in this Section Twenty-Nine,  for any Plan
         Year in which  the  Plan is a Top  Heavy  Plan,  the  Company  Matching
         Deposits  allocated  on  behalf  of each  Participant  who is not a Key
         Employee  Participant  shall not be less  than the  lesser of (i) three
         percent (3%) of such  Participant's  Limitation Year  Compensation,  or
         (ii) the  largest  percentage  of the sum of (a) the  Company  Matching
         Deposits  allocated on behalf of any Key Employee  Participant for that
         Plan  Year,  and  (b)  such  Key  Employee   Participant's   Basic  and
         Supplemental Before-Tax Deposits for that Plan Year; provided, however,
         that the  provisions  of clause (ii) hereof shall not apply to any plan
         included in a Required Aggregation Group if such plan enables a Defined
         Benefit Plan  included in such Required  Aggregation  Group to meet the
         requirements  of  Section  401(a)(4)  or Section  410 of the Code.  The
         minimum  allocation  provided  for herein shall be  determined  without
         taking into account  contributions  or benefits under Chapter 21 of the
         Code (relating to the Federal Insurance Contributions Act), Title II of
         the Social  Security  Act, or any other federal or state law, and shall
         be made without regard to any contrary provisions of the Plan regarding
         the   allocation  of   Participating   Company   Deposits  to  affected
         Participants which might otherwise result in any such Participant being
         entitled  to  no  allocation  or  a  lesser   allocation   due  to  the
         Participant's failure to complete one thousand (1,000) Hours of Service
         (or the  equivalent),  the  Participant's  failure  to  make  mandatory
         employee  contributions,  or,  in  the  case  of  a  cash  or  deferred
         arrangement,  elective  contributions,  or the Participant's failure to
         earn a stated  amount  of  Compensation;  provided  however,  that such
         minimum  allocation  shall not be  required to be made on behalf of any
         Participant who is not actively employed by a Participating  Company on
         the  last  day of the  applicable  Plan  Year.  For  purposes  of  this
         Subsection  29.3(1),  all  Defined  Contribution  Plans  required to be
         included in an Aggregation Group shall be treated as one plan.

                  29.3(2) Vesting.  Any Participant who is credited with an Hour
         of  Service  in the  first  Plan  Year in which the Plan is a Top Heavy
         Plan,  or in any  subsequent  Plan  Year  after  such  first  Plan Year
         (whether  or not the Plan is a Top Heavy Plan in such  subsequent  Plan
         Year)  shall  have his  percentage  of  vested  benefits  owing  upon a
         Termination  of  Employment   determined   pursuant  to  the  following
         schedule, in lieu of the Schedule set forth in Section 14.1 hereof:

         Vesting Years of Service             Percentage
         ------------------------             ----------

         Less than 2 years                         0%
         2 years                                  20%
         3 years                                  40%
         4 years                                  60%
         5 years or more                         100%

         29.4 Minimum Benefits for Employers  Maintaining Defined Benefit Plans.
If any Participant  other than a Key Employee  Participant is also a participant
under a Defined Benefit Plan maintained by an Employer which is also a Top Heavy
Plan,  then  Subsection  29.3(2)  shall not apply,  and such  Participant  shall
receive an allocation  of Company  Matching  Deposits in an amount  which,  when
added to such Participant's Basic and Supplemental  Before-Tax  Deposits,  is no
less than five percent (5%) of such  Participant's  Compensation  under the Plan
for the applicable Plan Year.  Such  allocation  shall be made without regard to
the amount allocated under the Plan on behalf of any Key Employee Participant

                                                       II-65
<PAGE>

                                                                     EXHIBIT 4.1

for such Plan Year. For purposes of this Section 29.4, all Defined  Contribution
Plans  required to be included in an  Aggregation  Group shall be treated as one
plan.

         29.5 Super Top Heavy Plans.  If in any Plan Year in which the Plan is a
Top  Heavy  Plan,  (i) it is also a Super Top  Heavy  Plan,  or (ii) it does not
provide  minimum  benefits under  Subsection  29.3(1) hereof after  substituting
"four  percent  (4%)" for "three  percent  (3%)"  contained in clause (i) of the
first sentence of said Subsection,  or (iii) if Section 29.4 hereof applies,  it
does not provide  minimum  benefits  under said Section 29.4 after  substituting
"seven and one-half  percent (7 1/2%)" for "five percent (5%)"  contained in the
first  sentence of said Section,  then,  in any such event,  for purposes of the
definitions  set forth in  Subsections  7.7(4)  and  7.7(5)  hereof,  the dollar
limitations  contained in Sections  415(e)(2)(B)  and  415(e)(3)(B)  of the Code
shall be  multiplied  by 1.0 rather  than 1.25.  Notwithstanding  the  foregoing
provisions of this Section 29.5, if the  application  of said  provisions  would
cause any  individual  to exceed the combined  limits of Section 7.6 hereof,  if
applicable,  then the requirements of this Section 29.5 shall be suspended as to
such individual  until such time as he no longer exceeds the limitations of said
Section  7.6 as  modified by this  Section  29.5,  and during the period of such
suspension,  said individual shall receive no allocation of contributions  which
would be  included in such  individual's  Annual  Additions  (as defined in Code
Section  415(c))  under  this  Plan  or  any  other  Defined  Contribution  Plan
maintained  by an Employer,  and there shall be no accruals of benefits for such
individual under any Defined Benefit Plan maintained by an Employer.


         IN WITNESS WHEREOF,  Treadco,  Inc. has caused this Plan to be executed
and attested by the officers  hereunto duly authorized,  this 12th day of August
1995,  effective as of January 1, 1994,  except as specifically  noted otherwise
herein.


                                 TREADCO, INC.



                                 By: /s/ R. F. Cooper
                                     ----------------

                                 Title: Secretary
                                       ----------


ATTEST:


/s/ Jay Davidson
- ----------------


                                                       II-66


                                                                     EXHIBIT 4.2

                                AMENDMENT ONE TO

                    TREADCO, INC. EMPLOYEES' INVESTMENT PLAN

                AS AMENDED AND RESTATED EFFECTIVE JANUARY 1, 1994
                -------------------------------------------------


         WHEREAS, effective  September 1, 1991,  Treadco, Inc.  (the  "Company")
adopted  the  Treadco,  Inc.  Employees'  Investment  Plan (the  "Plan") for the
benefit of its  employees,  and effective  January 1, 1994, the Plan was amended
and restated in its entirety; and
         WHEREAS,  the Company  wants to amend the Plan to allow for loans other
than by written application (e.g.,  electronic loans), and to allow participants
to make loans more  frequently,  to remove the participant  loan requirement for
spousal  consent,  to provide for a waiver of the 30-day notice  requirement for
direct  rollovers  and  other  distributions  from the Plan  and to  permit  the
forfeiture  of matching  contributions  in the event  excess  contributions  are
forfeited; and
         NOW,  THEREFORE,  pursuant to its authority under Section Twenty-One of
the Plan, the Company amends the Plan effective January 1, 1996, as follows:
         1. Existing Section 6.4(3) is amended  to add the following sentence to
the end thereof:

                  "Notwithstanding  any Plan  provision to the  contrary,  in no
         event shall  Company  Matching  Deposits  remain  allocated to a Highly
         Compensated  Employee's  Account and such  amounts  shall be treated as
         forfeited in accordance  with  Subsection  14.4(2) hereof and forfeited
         not later  than the last day of the Plan Year  following  the Plan Year
         such Excess  Contributions  occurred,  if the Before-Tax Deposits which
         were matched by such Company  Matching  Deposits are refunded as Excess
         Contributions under this Subsection 6.4(3)."

         2. Existing Section 15.9 is amended to add the following new Subsection
15.9(2) to the end of Section 15.9:

                            "15.9(2)  A  distribution  under  Section  15.10  or
         otherwise allowable under the Plan may commence less than 30 days after
         the  notice  required  under  Section  402(f)  of the Code and  Section
         1.411(a)-11(c)  of  the  Treasury  Regulations   ("Notice")  is  given,
         provided that:

                            (i) the Administrative Committee clearly informs the
                  Participant that the Participant has a right to a period of at
                  least 30 days  after  receiving  the  Notice to  consider  the
                  decision  of  whether  or not to  elect a Direct  Rollover  or
                  otherwise  receive  a  distribution  (and  if  applicable,   a
                  particular distribution option); and

                            (ii) the  Participant,  after  receiving the Notice,
                  affirmatively  elects a  distribution  or Direct  Rollover  in
                  accordance with the Plan's terms."

         3. The first  sentence  only of  existing  Section  Eighteen  is hereby
deleted in its entirety, and the following sentence is substituted in its place:


                                                       II-67
<PAGE>

                                                                     EXHIBIT 4.2

                  "Upon the  application of any  Participant or any  Beneficiary
         (and any Former  Participant or Beneficiary who is a  party-in-interest
         with respect to the Plan and who has an undistributed Account under the
         Plan) made to the Administrative Committee on such form and accompanied
         by such additional  documentation and information as the Administrative
         Committee shall require,  the  Administrative  Committee  shall, if the
         Administrative  Committee  determines the loan would comply with all of
         the loan requirements, make a loan to such individual (the "Borrower");
         provided,  however, that the amount of any such loan to a Borrower when
         added to the outstanding  balance of all other such loans, if any, made
         to such  Borrower  hereunder,  shall not exceed the lesser of (a) Fifty
         Thousand  Dollars  ($50,000)  reduced  by the  excess,  if any,  of the
         highest  outstanding balance of loans from the Plan during the one-year
         period  ending  on the day  before  the date on which the loan is made,
         over the  outstanding  balance  of  loans  from the Plan on the date on
         which  the loan is  made,  or (b)  fifty  percent  (50%) of the  vested
         amounts in all of the  Borrower's  Accounts  valued as of the Valuation
         Date coincident with or next preceding the date of the loan, or (c) one
         hundred percent (100%) of the amounts in the Borrower's Accounts, other
         than  Amounts  invested  in the Company  Stock  Fund,  valued as of the
         Valuation Date coincident with or next preceding the date of the loan."

         4. Existing Section 18(h) is hereby deleted  in its  entirety, and  the
following is substituted in its place:

                  "(h) No Borrower shall have more than one loan  outstanding at
         any time. When a Plan loan is repaid, the Borrower may not take another
         loan until  after the  expiration  of at least sixty (60) days from the
         date of full repayment."

         5. Existing  paragraph (i) of Section Eighteen is hereby deleted in its
entirety  and is replaced in its entirety by existing  paragraph  (j) of Section
Eighteen,  which is hereby  redesignated  as the new  paragraph  (i) of  Section
Eighteen.

         6. Existing paragraph (k) of Section Eighteen is hereby redesignated as
new paragraph (j) of Section Eighteen.


     IN WITNESS WHEREOF, TREADCO, INC. has caused this instrument to be executed
by its duly authorized officers on this 6th day of March, 1996. TREADCO, INC.


                                            BY   /s/ R. F. Cooper
                                              -------------------

                                            TITLE  Secretary
                                                 -----------


                                                       II-68


                                                                     EXHIBIT 4.3

                                AMENDMENT NO. TWO
                                     TO THE
                    TREADCO, INC. EMPLOYEES' INVESTMENT PLAN


         Amendment made this 11th day of August,  1997, by Treadco,  Inc.,  (the
"Company"):

         WHEREAS, the Company  adopted the  Treadco, Inc.  Employees  Investment
Plan (the "Plan") effective November 1, 1991; and

         WHEREAS, the Plan was amended and restated as of January 1, 1994; and

         WHEREAS, the Plan has been amended since its restatement; and

         WHEREAS,  the Company,  acting  pursuant to Section 21 of the Plan, has
the sole and exclusive power to amend the Plan; and

         WHEREAS,  the Company  acquired the assets of Five Bros.,  Incorporated
("Five Bros.") on July 12, 1996 and, on July 15, 1996,  certain former employees
of Five Bros. became employees of the Company; and

         WHEREAS,  the Company desires to amend the Plan to extend participation
in the Plan to all former  employees of Five Bros.  who became  employees of the
Company effective as of July 15, 1996:

         NOW,  THEREFORE,  the Plan is amended,  effective  August 15, 1996,  as
provided below:

         1.    Section 3.1 of the Plan is amended to add the following paragraph
to the end of Section 3.1 of the Plan:

         "Notwithstanding  any  provision  in  the  Plan  to the  contrary,  all
         individuals formerly employed by Five Bros.,  Incorporated on or before
         July 12,  1996,  and who became  employees  of the  Company on July 15,
         1996,  shall become  eligible to  participate in the Plan on August 15,
         1996."


         IN WITNESS  WHEREOF,  this Amendment has been executed the day and year
first above written.

                                          TREADCO, INC.



                                          BY: /s/ R. F. Cooper
                                              ----------------

                                              ITS: Secretary
                                                  ----------


                                                       II-69




                                                                     EXHIBIT 4.4

                              AMENDMENT NO. FOUR TO

                    TREADCO, INC. EMPLOYEES' INVESTMENT PLAN

                AS AMENDED AND RESTATED EFFECTIVE JANUARY 1, 1994
                -------------------------------------------------


     WHEREAS,  effective as of September 1, 1991, Treadco,  Inc. (the "Company")
adopted  the  Treadco,  Inc.  Employees'  Investment  Plan (the  "Plan") for the
benefit of its  employees,  and  effective  as of January 1, 1994,  the Plan was
amended and restated in its entirety; and

     WHEREAS,  the Plan was subsequently amended effective as of January 1, 1996
and again, effective August 15, 1996; and

     WHEREAS,  the Company has submitted a proposed third  amendment to the Plan
to the Internal Revenue Service; and

     WHEREAS,  pursuant to Section  Twenty-One of the Plan,  the Company has the
authority to amend the Plan as provided herein; and

     WHEREAS,  the  Company  desires to amend the Plan to effect a merger of the
Treadco Employee Stock Ownership Plan into the Plan.

     NOW,  THEREFORE,  pursuant to its authority under Section Twenty-One of the
Plan,  the Company  amends the Plan  effective  on  November 1, 1997,  except as
otherwise provided below:

30.      Existing Section 1.3 of the Plan is hereby deleted in its entirety, and
the following is substituted in its place:

                  "1.3 Prior Plans.  Effective as of July 1, 1991, the employees
          of ABC Treadco,  Inc. ("Old  Treadco") were  transferred to employment
          with the newly  formed  Treadco,  Inc.  Old Treadco  maintained a Code
          Section 401(k) plan, which was substantially  similar to the Plan, for
          the benefit of its eligible employees;  this plan was known as the ABC
          Treadco,  Inc.  Employees'  Investment  Plan (the "Prior  Plan").  The
          assets of the Prior Plan were  transferred  to the Plan and  deposited
          with and held,  subject to the  provisions of the Plan, by the Trustee
          of Investment  Trust No. 2 (if  attributable to  contributions  to the
          Arkansas Best Corporation stock fund in the Prior Plan) or the Trustee
          of  Investment  Trust No. 1 (if  attributable  to other  assets of the
          Prior Plan).

                  Effective  on November 1, 1997,  the  Treadco  Employee  Stock
          Ownership  Plan  ("ESOP") was amended to merge the ESOP into the Plan.
          The assets of the ESOP were  transferred to the Plan and deposited and
          held,  subject  to the  provisions  of the  Plan,  by the  Trustee  of
          Investment  Trust No. 1, which was  established  pursuant  to a "Trust
          Agreement"."

31.      Existing Section 1.5 of the Plan is hereby deleted in its entirety, and
the following is substituted in its place:

                  "1.5 Separate Trusts.  Two (2) separate Trusts, the Investment
          Trust No. 1 and the Investment  Trust No. 2, have been established and
          have been  maintained  for the  purposes  of the Plan (and other plans
          sponsored by Affiliated  Companies)  and the moneys  thereof have been
          invested in accordance with the terms of such Trusts.  Effective as of
          November 1, 1997, the  Investment  Trust No. 2 shall be terminated and
          its assets  transferred  into  Investment  Trust No. 1. All Before-Tax
          Deposits and Company Matching  Deposits made in cash (unless the Board
          of Directors of the Sponsoring  Company directs  otherwise),  shall be
          paid to the  Trustee  of the  Investment  Trust  No. 1 for  investment
          therein.  The Investment  Trust No. 1 shall consist of the assets held
          in each Investment Fund, including the Company Stock Fund."


                                                       II-70
<PAGE>

                                                                     EXHIBIT 4.4

32.     Existing Section 2.42 of the Plan is hereby deleted in its entirety, and
the following is substituted in its place:

                  "2.42 "Trustee" shall mean Fidelity  Management Trust Company,
         trustee of the Investment  Trust No. 1, and any additional or successor
         Trustees.  Except as  otherwise  provided in the Trust  Agreements  and
         herein,  the Trustees shall be the "Named  Fiduciaries"  referred to in
         Section  402(a) of ERISA with  respect to the control,  management  and
         disposition of the Trust Funds."

33.      Existing  Section  2.46  of the  Plan  is  hereby  amended  to add  the
following new language between the expressions  "Employer" and "Excess Aggregate
Contributions":

                  ""ESOP"                               Section 1.3
                  "ESOP Account"                        Section 9.1"

34.      Existing Section 8.1 of the Plan is hereby deleted in its entirety, and
the following is substituted in its place:

                  "8.1 Regular  Valuation.  The Trustee of the Investment  Trust
         No. 1 shall evaluate such Trust Fund (separately  itemized with respect
         to each  Investment  Fund under  Section  9.4 hereof of the  Investment
         Trust No. 1) at fair  market  value as of the close of business on each
         Valuation  Date.  The  Trustees  of the  Investment  Trust  No. 1 shall
         evaluate the Company Stock Fund at fair market value as of the close of
         business on each Valuation Date. In making such  valuations,  except as
         otherwise  provided  for herein or in a Trust  Agreement,  the  Trustee
         shall use the modified cash basis method of accounting and shall deduct
         all charges,  expenses and other  liabilities,  if any, then chargeable
         against the Trust Fund, in order to give effect to income  realized and
         expenses  paid,   losses  sustained  and  unrealized  gains  or  losses
         constituting  appreciation  or  depreciation  in  the  value  of  Trust
         investments  since the last previous  valuation.  At the request of the
         Administrative  Committee, as soon as practicable after such valuation,
         the Trustee shall deliver in writing to the Administrative  Committee a
         valuation of the Trust Fund  together with a statement of the amount of
         net income or loss (including appreciation or depreciation in the value
         of Trust investments) since the last previous valuation."

35.      Existing Section 9.1 of the Plan is hereby deleted in its entirety, and
the following is substituted in its place:

                  "9.1 Valuation of Company Stock.  In  making any  valuation of

         the portion of the Trust  Fund consisting of Company Stock, the Trustee
         of  Investment Trust  No. 1 shall  determine the  fair market  value of
         Company Stock."

36.      Existing Section 9.1 of the Plan is hereby deleted in its entirety, and
the following is substituted in its place:

                  "9.1 Separate  Accounts.  Subject to the provisions of Section
         17.2  hereof,  the  Administrative  Committee  shall  maintain for each
         Participant a separate Company  Matching  Deposit  Account,  a separate
         Basic Before-Tax  Deposit Account, a separate  Supplemental  Before-Tax
         Deposit  Account,   a  separate  Choice  Benefits  Deposit  Account  as
         necessary,  an ESOP  Account  as  necessary,  and a  separate  Rollover
         Account,  as  necessary.  The term "ESOP  Account"  means the  separate
         account  maintained for each  Participant  who was a Participant in the
         ESOP on the date of its  merger  into  the  Plan and to which  shall be
         posted all of such  Participant's  funds  transferred from the ESOP, as
         adjusted in accordance  with the provisions of Section Nine. The amount
         contributed  by or on  behalf of a  Participant  or  allocated  to such
         Participant shall be credited to the appropriate  Account in the manner
         set  forth  in  Sections  Six  and  Seven  hereof.  All  payments  to a
         Participant  or  his   Beneficiaries   shall  be  charged  against  the
         respective Accounts of such Participant."

37.      The last sentence of existing Section 9.3 of the Plan is hereby deleted
in its entirety, and the following is substituted in its place:

         "With respect to a Participant's  Company  Matching Deposit Account and
         ESOP Account, such adjustment, if necessary, shall be made by adjusting
         the number of shares, if applicable, of Company

                                                       II-71
<PAGE>
                                                                     EXHIBIT 4.4

         Stock allocated to each Participant's Company Matching Deposit  Account
         and ESOP Account, respectively."

38.      Effective on January 1, 1998, existing Subsection 9.4(1) of the Plan is
hereby deleted in its entirety, and the following is substituted in its place:

                  "9.4(1) Notwithstanding any other provision of the Plan or the
         Trust  Agreement  with  respect to control  over and  direction  of the
         investment of assets in the Trust Fund, each  Participant  may, at such
         time and in such manner as the Administrative Committee shall determine
         pursuant to a uniform policy  established by it, direct that all or any
         part  (subject  to  such  percentage   increment   limitations  as  the
         Administrative  Committee  shall  determine  from  time to time) of the
         amounts constituting such Participant's existing Account and his future
         Before-Tax  Deposits  and  Company  Matching  Deposits  (and such other
         contributions  to the  Plan,  or  amounts  attributable  to such  other
         contributions,  as determined by the Administrative  Committee,  in its
         sole  discretion)  be  invested  among  such  investment  funds  as the
         Administrative  Committee  shall  offer from time to time  ("Investment
         Funds") for direction by Participants.  This Section 9.4 is intended to
         meet the  requirements  of  Section  404(c) of ERISA by  allowing  each
         Participant to direct the investment of his individual Accounts."

39.      Effective on January 1, 1998, existing Subsection 9.4(3) of the Plan is
hereby deleted in its entirety, and the following is substituted in its place:

                  "9.4(3) At such times as the  Administrative  Committee  shall
         permit,  and in  such  manner  as the  Administrative  Committee  shall
         determine,  pursuant  to  uniform  policies  established  by  it,  each
         Participant  may (i)  direct  that all,  or any part  (subject  to such
         percent  increment  limitations as the  Administrative  Committee shall
         determine  from  time to  time)  of the  amounts  in the  Participant's
         Accounts  which are  invested  on his  behalf in any of the  Investment
         Funds, be liquidated and the proceeds  thereof  reinvested in the other
         Investment Funds and (ii) redirect the investment of future  Before-Tax
         Deposits and Matching  Contributions  (and future  earnings on all such
         amounts) in accordance with the provisions of Subsection 9.4(1) hereof.
         In the event at any time a  Participant  does not elect to redirect any
         Account  balances  or  future  contributions  as  provided  for in this
         Subsection  9.4(3),  then such  Participant's  prior  directions  shall
         remain in effect."

40.      Effective on January 1, 1998, existing Subsection 9.4(4) of the Plan is
hereby deleted in its entirety, and the following is substituted in its place:

                  "9.4(4) The Trustee shall carry out  Participant's  directions
         or  redirections  permitted  by this  Section 9.4 (or in the absence of
         directions,  shall invest as provided in Subsection  9.4(5)  hereof) as
         soon as administratively practicable. Notwithstanding the foregoing, in
         the event a Participant  has directed that only part of his interest in
         any of the Investment Funds be liquidated and reinvested in one or more
         of the other  Investment  Funds only the  nearest  value of whole units
         will be liquidated and reinvested."

41.      Effective on January 1, 1998, Existing Subsection 9.4(5) of the Plan is
hereby deleted in its entirety, and the following is substituted in its place:

                  "9.4(5) If a  Participant  fails or refuses to exercise any of
         his  investment  direction  rights as provided for in this Section 9.4,
         the Trustee  shall invest all amounts (not  otherwise  directed) in the
         lowest  risk   Investment   Fund   available,   as  determined  by  the
         Administrative Committee."

42.      Existing  Subsection 9.5(1)  of  the  Plan  is  hereby deleted  in  its
entirety, and the following is substituted in its place:


                                                       II-72
<PAGE>

                                                                     EXHIBIT 4.4

                  "9.5(1) Company  Matching  Deposits which are made in cash and
         contributed  to Investment  Trust No. 1 and any  forfeited,  Non-Vested
         Amounts  held in the  Company  Stock  Fund that are  applied  to reduce
         Company  Matching  Deposits as provided in  Subsection  14.4(2) will be
         invested by the Trustee of Investment  Trust No. 1 in the Company Stock
         Fund.  The  Trustee  may retain any shares of Company  Stock  which are
         received  as a result of a stock  dividend  or stock  split,  and shall
         invest any cash or  cash-equivalent  amounts held in the Company  Stock
         Fund in Company Stock as soon as practicable  unless directed otherwise
         by the Board of  Directors  of the  Sponsoring  Company  or unless  the
         Trustee  determines that it is necessary to retain such amounts in cash
         to make distribution or to pay administrative expenses."

43.      Effective on January 1, 1998, existing Subsection 9.5(1) of the Plan is
hereby deleted in its entirety, and the following is substituted in its place:

                  "9.5(1) The Company Stock Fund shall be one of the  Investment
         Funds  available for the  investment of any portion of a  Participant's
         Account in  accordance  with Section 9.4. The Company Stock Fund may be
         partially invested in cash, cash-equivalents, or short-term investments
         as needed to meet liquidity requirements or if amounts are too small to
         reasonably invest in Company Stock."

44.      Existing  Subsection 9.5(2)  of the  Plan  is  hereby  deleted  in  its
entirety, and the following is substituted in its place:

                  "9.5(2)  Any amount in the  Company  Stock Fund not  currently
         invested  in  Company  Stock  shall  be  invested  by  the  Trustee  of
         Investment Trust No. 1 only in cash-equivalent investments,  including,
         but not limited to,  investments in commingled  funds,  as such Trustee
         shall determine."

45.      Existing  Subsection 9.5(3)  of  the  Plan  is  hereby  deleted  in its
entirety, and the following is substituted in its place:

                  "9.5(3)  All shares of Company Stock in the Company Stock Fund
         shall be voted by the Trustee of Investment Trust No. 1 in  the  manner
         provided by Investment Trust No.  1."

46.      Existing Section 14.1 of the Plan  is hereby deleted  in its  entirety,
and the following is substituted in its place:

                  "14.1 Vesting upon  Termination of Employment.  Subject to the
         provisions  of  Sections  14.4 and  17.3  hereof,  in the  event of the
         Termination of Employment of a Participant,  such Participant  shall be
         entitled to receive (i) one  hundred  percent  (100%) of the amounts in
         all of his Accounts other than his Company Matching Deposit Account and
         ESOP Account,  and (ii) the  following  percentage of the amount in his
         Company  Matching  Deposit  Account and ESOP Account as  determined  in
         accordance  with the provisions of Subsection  15.2(1) and Section 15.5
         hereof,  based  upon  such  Participant's  number of  Vesting  Years of
         Service prior to such Termination of Employment:

                  Number of Vesting
                  Years of Service                    Vested Percentage
                  ----------------                    -----------------

                  Less than 5 years                          None
                  5 years or more                            100%

         Such  benefits  shall be paid as  provided in Section  Fifteen  hereof.
         Notwithstanding  the above, any portion of a Participant's ESOP Account
         which is  attributable to the 1991 transfer of assets from the Arkansas
         Best  Employee  Stock  Ownership  Plan will become one hundred  percent
         (100%) vested and  nonforfeitable  if he is employed by the  Sponsoring
         Company or an Affiliated Company on his 55th birthday."

                                                       II-73
<PAGE>

                                                                     EXHIBIT 4.4

47.      Existing Subsection 14.3(2) of  the  Plan  is  hereby  deleted  in  its
entirety, and the following is substituted in its place:

                  "14.3(2)  In  the  case  of  any  Participant  who  suffers  a
         Termination  of Employment and who has no vested amount in his Basic or
         Supplemental  Before-Tax Deposit Accounts,  his Choice Benefits Deposit
         Account,  his Company  Matching  Deposit Account or his ESOP Account in
         accordance with the provisions of Section 14.1 hereof, Vesting Years of
         Service before any period of One-Year Periods of Severance shall not be
         taken into  account if such  Participant's  latest  Period of Severance
         equals or  exceeds  the  greater of (i) five (5)  consecutive  One-Year
         Periods of Severance,  or (ii) his aggregate  Periods of Service before
         the  commencement  of such latest Period of Severance.  Such  aggregate
         Periods of Service  before the  commencement  of such latest  Period of
         Severance  shall be deemed not to include any  Vesting  Year of Service
         which  precedes a  One-Year  Period of  Severance  if as of or prior to
         December 31, 1984, the duration of the consecutive  One-Year Periods of
         Severance measured in years equals or exceeds the Participant's Vesting
         Years of Service prior to the One-Year Periods of Severance."

48.      Existing Subsection 14.3(3) of Plan is hereby  deleted in its entirety,
and the following sentence is substituted in its place:

                  "14.3(3)  In the  case of any  Participant  who has  five  (5)
         consecutive  One-Year  Periods of  Severance,  Vesting Years of Service
         after such five (5) year  period  shall not be taken into  account  for
         purposes  of  determining  the vested  amount in his  Company  Matching
         Deposit  Account or ESOP Account  which  accrued prior to such five (5)
         year period."

49.      Existing Section 14.4 of the Plan is  hereby deleted  in its  entirety,
and the following is substituted in its place:

                  "14.4(1)  Forfeiture of Non-Vested Amount.

                                    (a) In the case of any  Participant  who has
                            suffered a  Termination  of  Employment  and who has
                            received a distribution  of the vested amount in his
                            Company Matching Deposit Account,  ESOP Account, and
                            his  Basic  and  Supplemental   Before-Tax   Deposit
                            Accounts  and his Choice  Benefits  Deposit  Account
                            (the "Vested Amount") on or prior to the last day of
                            the second (2nd) Plan Year  following  the Plan Year
                            in which such Termination of Employment  occurs, the
                            excess,  if  any,  of  the  amount  in  his  Company
                            Matching  Deposit  Account and ESOP Account over the
                            vested  amount  in such  Accounts  (the  "Non-Vested
                            Amount")  shall be  forfeited  as of the last day of
                            the second (2nd) Plan Year  following  the Plan Year
                            during   which   such   Participant   suffers   such
                            Termination of Employment.

                                    (b) In the case of any  Participant  who has
                            suffered a Termination  of Employment and who has no
                            Vested  Amount  at the time of such  Termination  of
                            Employment,  the  amount  in  his  Company  Matching
                            Deposit  Account and ESOP Account shall be forfeited
                            as of the last day of the  second  (2nd)  Plan  Year
                            following   the  Plan   Year   during   which   such
                            Participant suffers such Termination of Employment.

                                    (c) In the case of any  Participant  who has
                            suffered a Termination of Employment and who has not
                            received a  distribution  of the Vested Amount on or
                            prior to the last day of the second  (2nd) Plan Year
                            following the Plan Year in which such Termination of
                            Employment  occurs,  the Non-Vested  Amount shall be
                            forfeited  as of the  last day of the  second  (2nd)
                            Plan  Year  following  the Plan  Year in  which  the
                            Participant  incurs  five (5)  consecutive  One-Year
                            Periods of Severance.


                                                       II-74
<PAGE>

                                                                     EXHIBIT 4.4

                  14.4(2)  Subject  to  the  provisions  of  Subsection  14.5(2)
         hereof, forfeited, Non-Vested Amounts shall reduce the Company Matching
         Deposits of each Participating  Company under Subsection 6.1(1). If the
         amount of the forfeited, Non-Vested Amounts for a Plan Year exceeds the
         amount of the Company  Matching  Deposits for the Plan Year, the excess
         shall be treated as an increase in the specified percentage  determined
         in accordance with Subsection 6.1(1) for the Plan Year."

50.      Existing Section 14.5 of the Plan is  hereby deleted  in its  entirety,
and the following is substituted in its place:

                  "14.5     Restoration of Forfeited Non-Vested Amount.

                            14.5(1)  In the  event  a  Participant:  (i) who has
                  received a  distribution  of the vested  amount in his Company
                  Matching Deposit Account and, if applicable,  his ESOP Account
                  in  accordance  with Section  14.4 hereof,  or (ii) who has no
                  vested amount in his Company  Matching Deposit Account and, if
                  applicable, his ESOP Account at the time of his Termination of
                  Employment,  as described  in  Subsection  14.4(1)(b)  hereof,
                  returns  to  employment  with a  Participating  Company  as an
                  Employee  prior  to the  date on which  such  Participant  has
                  incurred five (5) consecutive  One-Year  Periods of Severance,
                  the  amount in such  Participant's  Company  Matching  Deposit
                  Account  or ESOP  Account  which  was  forfeited  pursuant  to
                  Section  14.4  hereof  (without  adjustment  for any  gains or
                  losses in the Trust Fund subsequent to such forfeiture)  shall
                  be restored to such  Participant's  Company  Matching  Deposit
                  Account  and  ESOP  Account;  provided,  however,  that  if  a
                  Participant  received a  distribution  of the vested amount of
                  his Company  Matching  Deposit Account and ESOP Account and is
                  reemployed by a Participating Company as an Employee more than
                  one year after his Termination of Employment, such restoration
                  shall not occur unless and until: (i) such Participant  repays
                  to the Plan the full  amount of his Company  Matching  Deposit
                  Account or ESOP  Account  previously  distributed  to him, and
                  (ii) such  Participant's  repayment is made before the earlier
                  of the end of (I) the five (5) year period  beginning with the
                  Participant's  date of  reemployment  or (II) a period of five
                  (5) consecutive One-Year Periods of Severance commencing after
                  the date on which such Participant received such distribution.
                  Upon  the  restoration  of a  Participant's  Company  Matching
                  Deposit Account and ESOP Account as provided for  hereinabove,
                  the  vested  amount  in such  Participant's  Company  Matching
                  Deposit  Account and ESOP  Account  (whether  attributable  to
                  amounts restored,  amounts,  if any, repaid by the Participant
                  or  additional  amounts  added  to  such  Account  after  such
                  reemployment)  shall  thereafter  be  determined in accordance
                  with the provisions of this Section Fourteen without regard to
                  such Participant's original Termination of Employment.

                            14.5(2)   The   restoration   of   a   Participant's
                  Non-Vested  Amount in his Company  Matching Deposit Account or
                  ESOP  Account,  as provided for in Subsection  14.5(1)  above,
                  shall be made from the Non-Vested  Amounts forfeited  pursuant
                  to  Section   14.4  hereof   during  the  Plan  Year  of  such
                  restoration  before any use of such forfeitures as provided in
                  Subsection   14.4(2)  hereof.  In  the  event  there  are  not
                  sufficient  forfeitures  to restore the entire amount owing to
                  Participants  under  Subsection  14.5(1) above, the additional
                  amount  necessary for restoration  shall be contributed by the
                  Participating  Company employing such Participant as a special
                  contribution to be allocated to the Company  Matching  Deposit
                  Account or ESOP Account of the affected Participant."

51.      Existing Section 15.5 of  the Plan is hereby  deleted in its  entirety,
and the following is substituted in its place:

                  "15.5  Benefits  Payable in Cash. All  disbursements  from the
         Trust  Fund  shall be made in cash,  and no  Participant  may  elect to
         receive an in kind distribution except as specifically provided in this
         Section  15.5  and  Section  15.10  below;  provided,  however,  that a
         Participant  shall have a right to demand that distribution of his ESOP
         Account be made in whole shares of Company Stock (with the value of any
         fractional shares paid in cash)."


                                                       II-75
<PAGE>

                                                                     EXHIBIT 4.4

52.      The following  new Section  15.10 of  the Plan  is hereby  added  after
Section 15.9 of the Plan:

                  "15.10 Put  Option  for ESOP  Accounts  Only.  The  Sponsoring
         Company   shall  provide  a  "put  option"  to  any   Participant   (or
         Beneficiary) who receives a distribution of Company Stock from his ESOP
         Account at times when such Company Stock is not readily  tradable on an
         established  market.  The put option is to be  exercisable  only by the
         Participant,  the  Participant's  donees  or a  Beneficiary,  including
         Alternate  Payees or a person  (including an estate or its distributee)
         to whom the Company  Stock passes by reason of a  Participant's  death.
         The put option must permit the  Participant to put the Company Stock to
         the Sponsoring  Company.  The put option must be exercisable during the
         sixty (60)  consecutive  days  beginning  on the date that the  Company
         Stock  subject to the put option is  distributed  by the Plan,  and for
         another sixty (60) consecutive days during the Plan Year next following
         the Plan Year in which the shares were distributed.  The put option may
         be exercised by the holder notifying the Sponsoring  Company in writing
         that the put option is being  exercised.  The period during which a put
         option is exercisable does not include any period 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. The
         price at which the put option is  exercisable  is the fair market value
         of the Company Stock on the date of the transaction  determined in good
         faith based on all relevant factors.

                  Payment  pursuant to the put option shall be made:  (1) in the
         case of  distribution of the  Participant's  entire ESOP Account within
         one  taxable   year  of  the   recipient,   no  less  rapidly  than  in
         substantially  equal  installments  at  least  annually  over a  period
         beginning  no later than thirty (30) days after the exercise of the put
         option and not exceeding five (5) years in all; adequate security shall
         be provided and reasonable  interest shall be paid on any  installments
         outstanding  after  thirty (30) days after  exercise of the put option;
         and (2) in the case of any other form of distribution  not described in
         (1), within thirty (30) days of the exercise of the put option. Payment
         pursuant  to the put  option  shall  be made  no less  rapidly  than in
         substantially  equal  installments  at  least  annually  over a  period
         beginning  no later than  thirty (30) days after the put option and not
         exceeding five (5) years in all,  except that the repayment  period may
         be extended to a date no later than ten (10) years after the earlier of
         the date the put option is exercised or the date of final  repayment of
         any debt incurred in  connection  with the  acquisition  of the Company
         Stock. The provisions described in this Section 15.10 are nonterminable
         even by the  custodian or trustee of an individual  retirement  account
         described in Section 408(a) of the Code  established by the Participant
         or his surviving spouse.

                  Shares of Company Stock held or distributed by the Trustee may
         include such legend  restrictions on  transferability as the Sponsoring
         Company  may  reasonably  require  in order to assure  compliance  with
         applicable  Federal  and state  securities  law.  Except  as  otherwise
         provided  in this  Section  15.10,  no shares of Company  Stock held or
         distributed  by the  Trustee  may be subject to a put,  call,  or other
         option, or buy-sell or similar arrangement."

53.      Existing  Section 22.2  of  the  Plan  is  hereby  amended  to  add the
following new sentence to the end thereof:

         "The  Administrative  Committee  is  empowered to direct the Trustee to
         transfer  assets  and  liabilities  from  the  Plan  relating  to  such
         Participant  Accounts as the  Administrative  Committee  designates  to
         another  plan;  provided,  however,  that such  transfer  must meet the
         requirements  of the directly  preceding  sentence of this Section 22.2
         and Section 414 of the Code.  Any  trust-to-trust  transfer  under this
         Section 22.2 shall,  except as allowed by the Administrative  Committee
         in its sole  discretion,  not include  any  amounts in a  Participant's
         Account attributable to Company Stock."

54.      Existing Section 22.3 of the Plan is hereby  deleted in  its  entirety,
and the following is substituted in its place:

                  "22.3   Continuance by Successor Company.  In the event of the
         liquidation, dissolution, merger, consolidation or reorganization of  a
         Participating Company, the  successor company  may adopt  the Plan  and
         Trust for the benefit of the employees of  such Participating  Company,
         if  such  adoption  is  approved  by  the  Sponsoring Company.  If  the
         Sponsoring Company approves such successor

                                                       II-76
<PAGE>

                                                                     EXHIBIT 4.4

         company's  adoption of the Plan and Trust, the successor company shall,
         in all respects,  be substituted for such  Participating  Company under
         the Plan and Trust.  Any such  substitution  of such successor  company
         shall  constitute an assumption of Plan  liabilities  by such successor
         company,  and such  successor  company  shall  have all of the  powers,
         duties and  responsibilities  of such  Participating  Company under the
         Plan and Trust.  If such successor  company does not adopt the Plan and
         Trust, subject to the Sponsoring Company's approval, the Plan and Trust
         shall be  terminated  with  respect  to such  Participating  Company in
         accordance with the provisions of the Plan and Trust Agreement."

55.      Existing Section 23.3 of the Plan is  hereby deleted  in its  entirety,
and the following is substituted in its place:

                  "23.3 Rights to Benefits upon  Termination of Plan or Complete
         Discontinuance of Deposits. Upon the termination or partial termination
         of the Plan or the complete discontinuance of contributions by each and
         all of the Participating  Companies,  the rights of each  Participating
         Company's  Employees  who are then  Participants  (or, in the case of a
         partial  termination,   who  are  then  Participants  affected  by  the
         termination)  and the rights of each other person,  other than a person
         who has  forfeited  his  non-vested  amounts  pursuant to Section  14.4
         hereof  prior to the  effective  date of such  termination  (or partial
         termination) or complete discontinuance, to the amounts credited to his
         Accounts at such time, shall be nonforfeitable without reference to any
         formal action on the part of any affected  Participating  Company,  the
         Administrative Committee or the Trustee."

     IN WITNESS WHEREOF, TREADCO, INC. has caused this instrument to be executed
by its duly authorized officers on this 28th day of October, 1997.

                                             TREADCO, INC.



                                              BY /s/ R. F. Cooper
                                                -----------------

                                                 TITLE
                                                      ------------------------



                                                       II-77



                                                                    EXHIBIT 23.2

                         CONSENT OF INDEPENDENT AUDITORS



We consent to the incorporation by reference in the Registration Statement (Form
S-8) pertaining to the Treadco,  Inc.  Employees'  Investment Plan of our report
dated January 30, 1997, with respect to the  consolidated  financial  statements
and schedules of Treadco, Inc. included in its Annual Report (Form 10-K) for the
year ended December 31, 1996, filed with the Securities and Exchange Commission.



                                                           /s/ ERNST & YOUNG LLP
                                                           ---------------------


Little Rock, Arkansas
December 24, 1997


                                                       II-78



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