<Page>


                 STOCK REDEMPTION AGREEMENT - CYNTHIA L. DOMRES

     This Agreement is made this 21st day of June, 1996, by and between Cynthia
L. Domres, hereinafter referred to as Domres and SPF Energy, Inc. hereinafter
referred to as SPF. In consideration of the mutual covenants and agreements
herein contained, the parties agree as follows:

1.   CONDITION PRECEDENT. The obligations of all parties to this Agreement is
contingent upon the requirement that the contemplated merger between
Superpumper, Inc. and Farstad Oil, Inc. has been approved pursuant to the merger
plan between Superpumper, Inc. and Farstad Oil, Inc. by July 1, 1996. In the
event said merger between Superpumper, Inc. and Farstad Oil, Inc. has not been
completed by July 1, 1996, Domres and the shareholders of Domres may postpone
the effective date of this Agreement until such time as the merger between
Superpumper, Inc. and Farstad Oil, Inc. has been approved or may terminate this
agreement if the merger is not completed within 30 days of the proposed closing
date:

2.   OPTION TO PURCHASE. SPF shall redeem only the Common Stock of SPF
Energy, Inc. acquired by Cynthia L. Domres in exchange for her shares of Domres
Car Wash, Inc., hereinafter referred to as the Shares. The purchase shall be
pursuant to the terms and conditions contained in this document. Any redemption
shall be at the option of Cynthia L. Domres, provided that if exercised by
Cynthia L. Domres, the redemption is a binding obligation upon SPF. This
redemption agreement shall apply only to the actual shares received by Cynthia
L. Domres in exchange for her stock in Domres Car Wash, Inc. and shall not apply
to any other shares of SPF she may own or acquire. In the event Domres disposes
of the Shares in any other manner, then this option shall apply only to those
shares still held by Domres.

3.   MANNER OF REDEMPTION. Commencing on July 1, 1998, the former
shareholders of Domres Car Wash, Inc., may sell to SPF a percentage of the SPF
Energy, Inc. Common Stock received in exchange for Domres Car Wash, Inc. Common
Stock and SPF shall buy the percentage tendered as allowed by this Agreement.

4.   REDEMPTION PERCENTAGE. The former shareholders of Domres Car Wash, Inc.
may sell the number of SPF Energy, Inc. Common Stock they received pursuant to
the Plan and Agreement of Reorganization and Exchange signed July 1, 1996 as
specified:

<Table>
<Caption>
         EFFECTIVE DATE                                 ALLOWED PERCENTAGE
         --------------                                 ------------------
         <S>                                            <C>
         7/1/98                                                  5%
         7/1/99                                                  7%
         7/1/2000                                               10%
         7/1/of all subsequent years                            10%
</Table>

                                       1
<Page>


     In the event the shareholders of Domres Car Wash, Inc. do not exercise the
option in any given year, the share option shall be cumulative for any
subsequent year, provided the percentage redeemed in any 12 month period shall
not exceed 20 percent.

5.   PROCEDURE FOR SALE. Domres shall give notice to SPF at any time 60 days
after the effective date of her intention to exercise her option to sell the
allowed percentage of shares. Upon receipt of written notice of exercise of the
option, payment shall be made by SPF within 30 days after delivery to SPF of the
certificates representing the shares to be redeemed.

6.   MANNER OF PAYMENT. The price at which SPF Energy, Inc. shall repurchase
the shares shall be equal to 92% of the asked price as of the date notice is
given by Domres. In no event shall the price paid by SPF to Domres be less than
$6.00 per share for Common Stock.

7.   TERMINATION OF THE REPURCHASE AGREEMENT. This Repurchase Agreement shall
terminate upon the listing of SPF Energy, Inc. Common Stock on a national over
the counter market or any national exchange. There is no guarantee that any
minimum number of the shares will be purchased pursuant to this Agreement in the
event Domres does not exercise her option to sell and the Company is listed on
an exchange.

8.   ASSIGNMENTS. This Agreement is personal to Cynthia L. Domres. This
Agreement shall not be assigned to any other individual except upon the written
consent of the other party provided it may be assigned to immediate family
members. Such consent shall not be unreasonably withheld.

9.   GUARANTEE. Superpumper, Inc., Farstad Oil, Inc. and Jeffrey L. Farstad
individually (hereinafter referred to as guarantor) hereby guarantee the
repurchase of shares pursuant to this agreement. In the event SPF fails to
redeem the required number of shares, the above named individuals shall fulfill
the purchase requirements on the same terms and conditions.

Guarantor acknowledges that the terms and conditions of their agreement may be
waived or amended without notice or guarantor's consent.

Guarantor waives notice of acceptance of this guaranty and waives diligence on
the part of Domres in collection of the indebtedness. Domres shall have the
privilege of granting such renewals and extensions as Domres may deem proper.
Guarantor further expressly waives notice of nonpayment, protest, and notice of
protest with respect to the indebtedness covered by this guaranty.


                                       2

<Page>


    /s/ Cynthia L. Domres
    ---------------------------------------------
    BY: Cynthia L. Domres, individually


    SPF ENERGY, INC.


    /s/ Jeffrey L. Farstad
    ---------------------------------------------
    BY:  Jeffrey L. Farstad
    ITS: Chief Executive Officer


    SUPERPUMPER, INC.


    /s/ Vern Lysford
    ---------------------------------------------
    BY:  Vern Lysford
    ITS: Chief Financial Officer


    FARSTAD OIL, INC.

    /s/ Jeffrey L. Farstad
    ---------------------------------------------
    BY:  Jeffrey L. Farstad
    ITS: President


    /s/ Jeffrey L. Farstad
    ---------------------------------------------
    BY: Jeffrey L. Farstad, individually


                                        3

<Page>


                 STOCK REPURCHASE AGREEMENT - CYNTHIA L. DOMRES

         The undersigned agree as follows:

1.       SPF ENERGY, INC. shall redeem 34,000 shares received by Cynthia L.
         Domres as part of the Merger Plan.

2.       The price per share shall be $8.50 payable within 30 days of receiving
         notice from Cynthia L. Domres of his decision to sell.

3.       This agreement shall be effective commencing on July 1, 2001 and two
         years thereafter terminating on July 1, 2003, provided the quarterly
         employment bonuses of $10,625.00 required by the employment agreement
         dated June 21, 1996 have terminated.

4.       This agreement may be assigned by Cynthia L. Domres to any immediate
         family member.

5.       This agreement shall be guaranteed in a manner identical to the Stock
         Redemption Agreement dated June 21, 1996.

    /s/ Cynthia L. Domres
    ---------------------------------------------
    BY: Cynthia L. Domres, individually


    SPF ENERGY, INC.

    /s/ Jeffrey L. Farstad
    ---------------------------------------------
    BY:  Jeffrey L. Farstad
    ITS: Chief Executive Officer


    SUPERPUMPER, INC.

    /s/ Vern Lysford
    ---------------------------------------------
    BY:  Vern Lysford
    ITS: Chief Financial Officer


    FARSTAD OIL, INC.

    /s/ Jeffrey L. Farstad
    ---------------------------------------------
    BY:  Jeffrey L. Farstad
    ITS: President


    /s/ Jeffrey L. Farstad
    ---------------------------------------------
    BY: Jeffrey L. Farstad, individually