Document:

<Page>

                      EMPLOYMENT AND STOCK OPTION AGREEMENT

         This Agreement is made this 1st day of July, 1996, among PAULETTE
HAVNVIK, SUPERPUMPER, INC., and SPF ENERGY, INC., hereinafter referred to as
Havnvik, Superpumper, and SPF respectively. Superpumper and SPF are herein
sometimes referred to collectively as Employers.

                                    RECITALS

         1.    SPF has recently acquired a substantial majority of the
outstanding shares of Superpumper common stock in an exchange of Superpumper
shares for SPF shares. Before SPF acquired a majority of capital stock in
Superpumper, Havnvik was a principal executive employee of Superpumper. The
parties desire her continued employment, including provisions for her employment
responsibilities to be reduced.

         2.    Havnvik is a beneficiary of a deferred compensation agreement
among her, John Havnvik (her deceased husband and a former principal executive
employee of Superpumper), and Superpumper. The parties desire to arrange for her
continued receipt of the deferred compensation.

                                    AGREEMENT

                              EMPLOYMENT AGREEMENT

         1.    EMPLOYMENT. Employers hereby employ Havnvik and she accepts such
employment upon the terms and conditions herein set forth.

         2.    TERM. The term of employment shall begin on the date set forth
above and shall continue until terminated as herein provided.

         3.    DUTIES. Havnvik is employed to actively participate in the
management of the Superpumper business operations. She will devote her full-time
and best efforts to the performance of executive and management duties as
assigned by the respective boards of directors of Superpumper and SPF, subject
to reduction to part-time service as herein provided.

         Without limiting the scope of her executive and management duties, the
parties particularly intend that Havnvik shall participate in decisions
regarding the establishment of new Superpumper business locations or changes in
the status of any existing location, including

                                        1
<Page>

whether any particular location shall be "branded" or affiliated with any major
national brand of automotive fuel. During the two-year period commencing on the
date set forth above, no location which is now unbranded shall be branded
without Havnvik's consent.

         4.    COMPENSATION. For all services rendered by Havnvik under this
Agreement, she shall be paid as follows:

         A.    BASIC COMPENSATION. Havnvik shall be paid as basic compensation
at the annual rate of $125,000 for full time employment, payable in monthly
installments. In the case of reduction to part-time service, her basic annual
salary shall be proportionally reduced.

         B.    ANNUAL INCREASE. Havnvik's basic compensation shall be increased
each year during the term of this contract, by an amount equal to 5% of the
preceding year's basic compensation. In the case of reduction of her hours of
service, her annual increase shall be proportionally reduced.

         EXAMPLE:
         --------
         1997 compensation will be $131,250.
         (1.05 x $125,000 1996 compensation)
         1998 compensation will be $137,813.
         (1.05 x $131,250 1997 compensation)
         1999 compensation will be $144,703.
         (1.05 x $137,813 1998 compensation)

         C.    ADDITIONAL COMPENSATION. Compensation in addition to basic
compensation and annual increases may be paid in such amounts and at such times
as the respective boards of directors of Superpumper or SPF may from time to
time determine. In the case of a payment of additional compensation to SPF's
other principal officer, Jeff Farstad, exceeding his basic compensation for any
year, Havnvik shall be paid additional compensation proportionate to her basic
compensation for the year as compared to Farstad's basic compensation for the
year.

         D.    FRINGE BENEFITS. Havnvik shall participate in any "fringe
benefits," including but not limited to retirement plans, health insurance
plans, sick leave or vacation leave, as may from time to time be adopted by
either Superpumper or SPF.

         5.    WORKING FACILITIES. Superpumper will furnish Havnvik with an
office, equipment, technical and secretarial assistance, and other facilities
and services suitable to her position and adequate for the performance of her
duties. Superpumper shall provide Havnvik with a company car of

                                        2
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similar quality and upon the same terms and conditions as those prevailing
during 1995.

         6.    EMPLOYEE EXPENSES. Superpumper shall reimburse Havnvik for travel
and other expenses reasonably and necessarily incurred in the performance of
her duties pursuant to this Agreement.

         7.    ADMINISTRATION. Superpumper and SPF will arrange for one of them
to serve as common paymaster to provide funds and administration of Havnvik's
compensation and benefits, and to allocate her compensation, benefits, and other
expenses between Superpumper and SPF in the discretion of their respective
boards of directors.

         8.    MODIFICATION OR TERMINATION. Employers shall not terminate
Havnvik's employment except for serious misconduct or failure of performance of
duties.

         Havnvik shall not terminate her employment or reduce her annual hours
of service before January, 1998, except as reasonably required by personal
health or hardship.

         After December 31, 1997, Havnvik shall be privileged to terminate her
employment or to reduce her full-time service to part-time service, with
discretion to manage her work schedule.

         EXAMPLES:
         ---------
         Beginning in January, 1999, Havnvik decides upon a life of
         semi-retirement, including 2 months free of work and 10 months of
         reduced work at 100 hours per month. Thus, her work schedule is reduced
         from the full time norm of 2,000 hours to 1,000 annual hours of
         service. Consequently, her 1999 compensation, $144,703 (See example
         under paragraph 4B above), is reduced by one-half, to $72,352 for
         half-time hours of service.

         In the case of her reduction of hours of service while continuing as an
employee, Havnvik shall be privileged to participate in Superpumper's retirement
or health insurance plans, in accordance with applicable law, plan
specifications, and insurance policies.

         In the case of her resignation from employment, Havnvik shall be
retained as a consultant to SPF for a term ending on the earlier of December 31,
2005, or the fifth anniversary of her resignation, at the annual compensation of
$50,000. She shall be privileged to participate in Superpumper's retirement or
health insurance plans, in accordance with applicable law, plan specifications,
and

                                        3

<Page>

insurance policies. In any event, she shall be privileged to remain in SPF's
health insurance group until she qualifies for "Medicare" insurance.

         All rights and obligations under this Agreement, will terminate without
notice on December 31, 2005, provided Havnvik's privilege to remain in SPF's
health insurance group shall not expire until she is qualified by age for
Medicare insurance.

         9.    DEFERRED COMPENSATION. The deferred compensation arrangement
referred to in the recitals entitles Havnvik to receive from Superpumper sixty
(60) monthly payments of $4,167.00 beginning in March 1995 through February
2000. Havnvik will continue receipt of the remaining monthly installments of
deferred compensation after the effective date of this contract, even though she
will concurrently receive compensation for current services.

         Deferred compensation rights are personal to Havnvik, as provided in
the original January 1995 agreement. Deferred compensation rights will lapse on
her death, with the intended consequence that neither her personal
representative nor any heir or legatee will be entitled to receive deferred
compensation under this agreement or the original January 1995 deferred
compensation agreement.

                              OPTIONS TO SELL STOCK

         10. OPTIONS TO SELL SPF SHARES. Havnvik shall have options to sell to
SPF up to 10,870 shares during 1996, 9,780 shares during 1997, and 67,732.7
shares per year during and after 1998, at a price determined as herein provided.

         The 1996 option price shall be $5.52 per share. The 1997 and later
years' option price shall be the greater of $4.60 per share or 92% of the
price of SPF shares in its most recent public offering, or if no offering has
been made within two (2) years the option price shall be the greater of $4.60
per share or 2.5 times the book value of SPF shares (determined in accordance
with generally accepted accounting principles) as of the most recent
fiscal/calendar year.

         The 1996 option shall be exercisable by written notice delivered to
SPF during July, 1996. 1997 and following years' options shall be exercisable by
written notice delivered to SPF during January of each calendar year, beginning
in 1997. Havnvik shall deliver stock certificates or other appropriate documents
with any notice of exercise of her option to sell shares. SPF shall pay the
price for shares sold in a series of equal monthly installments during

                                        4
<Page>

the calendar year, without interest. If any annual option is not exercised, it
will not lapse and may be exercised in a later year, provided that the number of
shares SPF shall be required to redeem in any year shall not exceed 67,732.7.

         Options to sell under this paragraph 10 are personal to Havnvik while
she is living. The options may not be assigned in connection with assignment of
any of her shares in SPF.

         In the case of Havnvik's death before January 1, 2011, her personal
representative or any heir or legatee who receives her shares will be privileged
to sell any of her shares to SPF on the same terms as would Havnvik if she were
then living, provided that the number of shares SPF shall be required to redeem
in any year shall not exceed 67,732.7, and provided that SPF shall not be
required to redeem any shares in any year after 2011.

         In the case of Havnvik's death on or after January 1, 2011, her options
will lapse on her death, with the intended consequence that neither her personal
representative nor any heir or legatee who receives her shares will be
privileged to sell any of her shares to SPF.

         Dated this 25th day of June, 1996.

                                           /s/  Paulette Havnvik
                                           ------------------------------------
                                           Paulette Havnvik

                                           SUPERPUMPER, INC.

                                        By /s/ Paulette Havnvik
                                           ------------------------------------
                                           Paulette Havnvik
                                           Its President

                                           SPF, INC.

                                        By /s/ Jeff Farstad
                                           ------------------------------------
                                           Jeff Farstad
                                           Its President

                                        5<Page>

                        AMENDMENT TO SHAREHOLDERS' STOCK
                         REDEMPTION AND OPTION AGREEMENT

         THIS AGREEMENT is entered into between JEFF FARSTAD, PAULETTE ANDREWS
(f/k/a Paulette Havnvik), and the JOHN HAVNVIK TRUST U/A dated February 7, 1995,
hereinafter collectively referred to as "Shareholders" and individually referred
to as "Farstad," "Andrews," and the "Trust," respectively, and SPF ENERGY, INC.,
a North Dakota corporation, hereinafter referred to as "SPF." This agreement
shall hereinafter be referred to as the "Amendment."

                                    RECITALS

         A.    On or about the 25" day of June, 1996, Farstad, Andrews, the
Trust, and SPF executed a "Shareholders' Stock Redemption and Option Agreement"
(hereinafter, the "1996 Agreement").

         B.    Among other things, Section 1 of the 1996 Agreement provided that
SPF would redeem, and the Trust would sell, a certain number of SPF shares at
specific times and at a specific price:

<Table>
         <S>             <C>                                     <C>
         January 2000    32,608.7 shares @ $4.60/share --------- $150,000
         January 2001    32,608.7 shares @ $4.60/share --------- $150,000
         January 2002    32,608.7 shares @ $4.60/share --------- $150,000
         January 2003    32,608.7 shares @ $4.60/share --------- $150,000
         January 2004    32,608.7 shares @ $4.60/share --------- $150,000
                         ---------------                         --------
                         163,043.5 shares                        $750,000
</Table>

         C.    Farstad, Andrews, the Trust and SPF have now agreed to amend the
1996 Agreement in certain respects.

                                    AGREEMENT

         IN CONSIDERATION of the mutual covenants contained in this agreement,
the parties agree as follows:

1.       SPF shall redeem, and the Trust shall sell, 10,872 shares of SPF stock
         in each of the years 2000, 2001, 2002, 2003, and 2004. Said redemptions
         shall be made in accordance with the schedule attached to this
         Amendment as Exhibit A, which schedule includes the payment of interest
         by SPF to the Trust, and which schedule

                                   Page 1 of 3

<Page>

         is hereby incorporated into this Amendment by reference. As shown on
         Exhibit A, a final redemption will take place on or before January 3,
         2005, at which time SPF shall redeem, and the Trust shall sell,
         108,683.5 shares of SPF stock for a final cash payment of $499,944.00.

2.       Following the redemptions called for by the 1996 Agreement, as amended
         by this Amendment, the Trust or its assigns shall still own 90,370.4
         shares of SPF stock.

3.       SPF shall have the right and option to call for any one or more of the
         transactions referenced in Section 1 of this Amendment to be executed
         at any earlier date.

4.       The Trust hereby warrants that it has not encumbered or transferred any
         of its stock in SPF, except as provided in the 1996 Agreement,
         including without limitation the distribution of any or all of its SPF
         stock to a beneficiary permitted by the trust agreement governing the
         Trust.

5.       SPF is authorized to enter into this Amendment by action of its
         directors. Action by the co-trustees of the Trust is authorized by
         applicable provisions of N.D.C.C. Section 30.1-18-15.

6.       The parties further acknowledge that this Amendment only affects the
         respective rights and obligations of the Trust and SPF under the 1996
         Agreement. The parties acknowledge that Andrews and Farstad are signing
         this Amendment in their individual capacities only because Andrews and
         Farstad were individual signatories to the 1996 Agreement.

7.       This Amendment shall be binding upon SPF and the Shareholders, their
         heirs, legal representatives, successors and assigns.

8.       This Amendment may be executed in two or more counterparts, each of
         which shall be deemed an original, but all of which together shall
         constitute one and the same instrument, even though separate
         counterparts may be signed by fewer than all the parties or their
         respective agents.

9.       All provisions of the 1996 Agreement are hereby incorporated into this
         agreement and are hereby modified or supplemented to conform with this
         agreement, but in all other respects are to be and shall continue in
         full force and effect.

                                   Page 2 of 3

<Page>

         IN WITNESS WHEREOF, the parties to this agreement set their signature
on the dates indicated below.

SHAREHOLDERS:                                       SPF ENERGY, INC.

/s/ Jeff Farstad            Dated 10-6-00         By  /s/ Jeff Farstad
---------------------------       -------             ----------------------
Jeff Farstad                                          Jeff Farstad
                                                      Its President

/s/ Paulette Andrews        Dated 10-18-00        And
---------------------------       --------
Paulette Andrews,                                 By  /s/ Dennis Krueger
f/k/a Paulette Havnvik                                ---------------------
                                                      Dennis Krueger
                                                      Its Vice President

JOHN HAVNVIK TRUST
                                                    Dated 10-6-00

By /s/ First Western Bank     Dated  9-8-00
   --------------------------        ------
   First Western Bank,
   Co-Trustee, by Chris Lamoureux,
   Its VP and Trust Manager

By /s/ Paulette Andrew        Dated 10-18-00
   --------------------------       --------
   Paulette Andrews,
   f/k/a Paulette Havnvik,
   Co-Trustee

By /s/ Kari Havnvik Warberg   Dated 9/27/00
   --------------------------       -------
   Kari Havnvik Warberg,
   Co-Trustee

By /s/ Kari Havnvik Warberg   Dated 9/27/00
   --------------------------       -------
   Kari Havnvik Warberg
   Trust Beneficiary

By /s/ Kim L. Kvernum         Dated Sept 21, 2000
   --------------------------       -------------
   Kim L. Kvernum
   Trust Beneficiary

                                   Page 3 of 3

<Page>

                                    EXHIBIT A
SPF ENERGY, INC.
JOHN HAVNVIK TRUST STOCK REDEMPTION COMMITMENT
AMORTIZATION SCHEDULE

<Table>
<Caption>

                     PRINCIPAL     PRINCIPAL                                  CALCULATED
                   # OF SHARES       DOLLARS       PAYMENTS     PRINCIPAL       INTEREST        BALANCE          DAYS
<S>                <C>            <C>            <C>           <C>             <C>           <C>               <C>

1/31/2000                 -        12,500.00           -              -             -         12,500.00           -
2/29/2000                 -        12,500.00           -              -             -         25,000.00           -
3/31/2000                 -        12,500.00           -              -             -         37,500.00           -
4/30/2000                 -        12,500.00           -              -             -         50,000.00           -
5/31/2000             4,530.00     12,500.00      21,670.88     20,838.00         832.88      41,662.00        152.00
6/30/2000               906.00     12,500.00       4,304.57      4,167.60         136.97      49,994.40         30.00
7/31/2000               906.00     12,500.00       4,337.44      4,167.60         169.84      58,326.80         31.00
8/31/2000               906.00     12,500.00       4,365.75      4,167.60         198.15      66,659.20         31.00
9/30/2000               906.00     12,500.00       4,386.75      4,167.60         219.15      74,991.60         30.00
10/31/2000              906.00     12,500.00       4,422.37      4,167.60         254.77      83,324.00         31.00
11/30/2000              906.00     12,500.00       4,441.54      4,167.60         273.94      91,656.40         30.00
12/31/2000              906.00     12,500.00       4,478.98      4,167.60         311.38      99,988.80         31.00
                 -------------------------------------------------------------------------
                     10,872.00    150,000.00      52,408.29     50,011.20       2,397.09

1/31/2001               906.00     12,500.00       4,507.29      4,167.60         339.69     108,321.20         31.00
2/28/2001               906.00     12,500.00       4,499.98      4,167.60         332.38     116,653.60         28.00
3/31/2001               906.00     12,500.00       4,563.90      4,167.60         396.30     124,986.00         31.00
4/30/2001               906.00     12,500.00       4,578.51      4,167.60         410.91     133,318.40         30.00
5/31/2001               906.00     12,500.00       4,620.62      4,167.60         452.92     141,650.80         31.00
6/30/2001               906.00     12,500.00       4,633.30      4,167.60         465.70     149,983.20         30.00
7/31/2001               906.00     12,500.00       4,677.13      4,167.60         509.53     158,315.60         31.00
8/31/2001               906.00     12,500.00       4,705.44      4,167.60         537.84     166,648.00         31.00
9/30/2001               906.00     12,500.00       4,715.48      4,167.60         547.88     174,980.40         30.00
10/31/2001              906.00     12,500.00       4,762.05      4,167.60         594.45     183,312.80         31.00
11/30/2001              906.00     12,500.00       4,770.27      4,167.60         602.67     191,645.20         30.00
12/31/2001              906.00     12,500.00       4,818.67      4,167.60         651.07     199,977.60         31.00
                 -------------------------------------------------------------------------
                     10,872.00    150,000.00      55,852.55     50,011.20       5,841.35

1/31/2002               906.00     12,500.00       4,846.98      4,167.60         679.39     208,310.00         31.00
2/28/2002               906.00     12,500.00       4,806.80      4,167.60         639.20     216,642.40         28.00
3/31/2002               906.00     12,500.00       4,903.59      4,167.60         735.99     224,974.80         31.00
4/30/2002               906.00     12,500.00       4,907.24      4,167.60         739.64     233,307.20         30.00
5/31/2002               906.00     12,500.00       4,960.21      4,167.60         792.61     241,639.60         31.00
6/30/2002               906.00     12,500.00       4,962.03      4,167.60         794.43     249,972.00         30.00
7/31/2002               906.00     12,500.00       5,016.82      4,167.60         849.22     258,304.40         31.00
8/31/2002               906.00     12,500.00       5,045.13      4,167.60         877.53     266,636.80         31.00
9/30/2002               906.00     12,500.00       5,044.21      4,167.60         876.61     274,969.20         30.00
10/31/2002              906.00     12,500.00       5,101.74      4,167.60         934.14     283,301.60         31.00
11/30/2002              906.00     12,500.00       5,099.00      4,167.60         931.40     291,634.00         30.00
12/31/2002              906.00     12,500.00       5,158.36      4,167.60         990.76     299,966.40         31.00
                 -------------------------------------------------------------------------
                     10,872.00    150,000.00      59,852.11     50,011.20       9,840.91

1/31/2003               906.00     12,500.00       5,186.66      4,167.60       1,019.06     308,298.80         31.00
2/28/2003               906.00     12,500.00       5,113.61      4,167.60         946.01     316,631.20         28.00
3/31/2003               906.00     12,500.00       5,243.28      4,167.60       1,075.68     324,963.60         31.00
4/30/2003               906.00     12,500.00       5,235.97      4,167.60       1,068.37     333,296.00         30.00
5/31/2003               906.00     12,500.00       5,299.89      4,167.60       1,132.29     341,628.40         31.00
6/30/2003               906.00     12,500.00       5,290.76      4,167.60       1,123.16     349,960.80         30.00
7/31/2003               906.00     12,500.00       5,356.51      4,167.60       1,188.91     358,293.20         31.00
8/31/2003               906.00     12,500.00       5,384.82      4,167.60       1,217.22     366,625.60         31.00

</Table>

<Page>

<Table>
<Caption>
                     PRINCIPAL     PRINCIPAL                                  CALCULATED
                   # OF SHARES       DOLLARS       PAYMENTS     PRINCIPAL       INTEREST        BALANCE          DAYS
<S>                <C>            <C>            <C>           <C>             <C>           <C>               <C>
9/30/2003               906.00     12,500.00       5,372.94      4,167.60       1,205.34     374,958.00         30.00
10/31/2003              906.00     12,500.00       5,441.43      4,167.60       1,273.83     383,294.40         31.00
11/30/2003              906.00     12,500.00       5,427.73      4,167.60       1,260.13     391.622.80         30.00
12/31/2003              906.00     12,500.00       5,498.04      4,167.60       1,330.44     399,955.20         31.00
                 -------------------------------------------------------------------------
                     10,872.00    150,000.00      63,851.66     50,011.20      13,840.46

1/31/2004               906.00     12,500.00       5,526.35      4,167.60       1,358.75     408,287.60         31.00
2/29/2004               906.00     12,500.00       5,465.17      4,167.60       1,297.57     416,620.00         29.00
3/31/2004               906.00     12,500.00       5,582.97      4,167.60       1,415.37     424,952.40         31.00
4/30/2004               906.00     12,500.00       5,564.70      4,167.60       1,397.10     433,284.80         30.00
5/31/2004               906.00     12,500.00       5,639.58      4,167.60       1,471.98     441,617.20         31.00
6/30/2004               906.00     12,500.00       5,619.49      4,167.60       1,451.89     449,949.60         30.00
7/31/2004               906.00     12,500.00       5,696.20      4,167.60       1,528.60     458,282.00         31.00
8/31/2004               906.00     12,500.00       5,724.50      4,167.60       1,556.90     466,614.40         31.00
9/30/2004               906.00     12,500.00       5,701.67      4,167.60       1,534.07     474,946.80         30.00
10/31/2004              906.00     12,500.00       5,781.12      4,167.60       1,613.52     483,279.20         31.00
11/30/2004              906.00     12,500.00       5,756.46      4,167.60       1,588.86     491.611.60         30.00
12/31/2004              906.00     12,500.00       5,837.73      4,167.60       1,670.13     499,944.00         31.00
                 -------------------------------------------------------------------------
                     10,872.00    150,000.00      67,895.95     50,011.20      17,884.75

1/3/2005           1,08,683.50                   499,944.00    499,944.00
</Table>

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