EXHIBIT 10.3 NONRECOURSE SECURED PROMISSORY NOTE $71,593,795 January 29, 2003 FOR VALUE RECEIVED, the undersigned Flying J Oil & Gas Inc., a Utah corporation and Big West Oil & Gas Inc., a Utah corporation (together hereinafter the "Borrower") each hereby jointly and severally promise to pay in U.S. Dollars to the order of St. Mary Land & Exploration Company, a Delaware corporation (hereinafter, with any subsequent holder, the "Lender"), the principal sum of $71,593,795 (the "Loan"). Interest. The Loan shall bear interest at the rate of two -------- percent above the one-year LIBOR rate (London InterBank Offered Rate) in effect at the date Lender funds the Loan in connection with consummation of the transaction wherein NPC Inc. has acquired certain oil and gas assets of the Borrower (the "Acquisition"). The applicable interest rate will be adjusted on each one year anniversary of the Loan, compounded annually, with such interest due and payable at maturity as set forth below. Repayment. The Loan shall be repayable in its entirety, --------- including principal and interest accrued thereon, (A) by offset against amounts Lender shall owe to the Borrower: upon the earlier of: (i) the exercise and consummation by the Borrower of its put option, as provided in Exhibit G to the Purchase and Sale Agreement dated December 13, 2002 by and between the Borrower and the Lender (the "PSA"), to require the Lender to purchase shares of the Lender's Stock issued to the Borrower pursuant to the terms of the PSA (the "Lender's Stock"), or (ii) the exercise and consummation by the Lender of its call option, as provided in Exhibit G to the PSA, to purchase the Lender's Stock; and (B) in any event, no later than the later of: (i) three years and ninety days after the Loan, or (ii) one year and ninety days after the registration of the Lender's Stock as provided on Exhibit F to the PSA. Prepayment. The Borrower may without penalty prepay any or all ---------- of the amounts due under this Nonrecourse Secured Promissory Note at any time, with such prepayments to be applied first to accrued interest and second to unpaid principal. Default. Subject to the non-recourse provision set forth ------- below, in the event of any failure of the Borrower to repay this Nonrecourse Secured Promissory Note, in accordance with the terms hereof, the Loan shall after the date due bear interest due and payable at the rate of twelve percent per annum. NON-RECOURSE NATURE OF OBLIGATIONS. THIS NONRECOURSE SECURED ----------------------------------- PROMISSORY NOTE IS AND SHALL BE A NON-RECOURSE PROMISSORY NOTE. IN THE EVENT OF ANY DEFAULT BY THE BORROWER OF ITS OBLIGATIONS HEREUNDER, WHETHER FOR PAYMENT OF THE PRINCIPAL AMOUNT OF THIS NOTE, ACCRUED INTEREST OR OTHERWISE, THE LENDER'S ONLY RECOURSE SHALL BE AGAINST THE COLLATERAL PLEDGED TO SECURE PAYMENT OF THIS NOTE. IN THE EVENT THAT THE EXERCISE OF RIGHTS AGAINST THE COLLATERAL ARE NOT SUFFICIENT TO SATISFY BORROWER'S PAYMENT OBLIGATIONS HEREUNDER, NEITHER THE BORROWER, NOR ANY OF ITS OFFICERS, DIRECTORS, AFFILIATES, SHAREHOLDERS OR REPRESENTATIVES SHALL BE LIABLE FOR ANY DEFICIENCY. Security. To secure the obligations of the Borrower under this -------- Nonrecourse Secured Promissory Note, the Lender, pursuant to that certain Stock Pledge Agreement executed between the Borrower and the Lender of even date herewith, has been granted a security interest in and senior lien on the Lender's Stock. The Loan shall otherwise be without recourse to the Borrower. Waivers. Except as expressly set forth in this Nonrecourse ------- Secured Promissory Note, and to the extent necessary for Lender to realize upon the collateral in the event of a default in this Nonrecourse Secured Promissory Note, the Borrower hereby (a) waives all presentment, demand for performance, notice of non-performance, protest, notice of protest and notice of dishonor, and all other demands and notices in connection with the delivery, acceptance, performance, default or realization of collateral of this Nonrecourse Secured Promissory Note, (b) assents to any extension or postponement of the time of payment or any other indulgence, (c) waives any requirement of diligence or promptness on the part of the Lender in the enforcement of its right to realize the collateral under this Nonrecourse Secured Promissory Note, and (d) waives any valuation, stay, appraisement or redemption laws.. Payments; Notices. All payments to Lender shall be made at the ----------------- address set forth below or at such other address as the Lender shall specify in writing to the Borrower. Any notice or demand in connection with this Nonrecourse Secured Promissory Note shall be in writing and shall be deemed to have been duly given when (a) delivered by hand, (b) sent by facsimile (with receipt confirmed) to the facsimile number set forth below, provided that a copy is promptly thereafter mailed by first-class prepaid certified mail, return receipt requested, (c) received by the addressee, if sent with delivery receipt requested by Express Mail, Federal Express, or other express delivery service or first-class prepaid certified mail, in each case to the appropriate addresses set forth below, or to such other address(es) as a party may designate as to itself by notice to the other party. 2 If to the Lender: St. Mary Land & Exploration Company 1776 Lincoln Street, Suite 1100 Denver, Colorado 80203-1080 Attn: Mr. Richard C. Norris Facsimile: 303-861-0934 If to the Borrower: Flying J Oil & Gas Inc. and Big West Oil & Gas Inc. c/o Flying J Inc. 1104 Country Hills Drive Ogden, Utah 84403 Attn: Mr. Phil Adams Facsimile: 801-624-1705 Costs and Attorneys' Fees. Subject to the non-recourse ---------------------------- provision set forth above, after demand by the Lender the Borrower shall pay any reasonable costs and expenses of the Lender (including without limitation reasonable attorneys' fees and out-of-pocket expenses) in connection with the enforcement and collection of this Nonrecourse Secured Promissory Note. Assignability; Governing Law. This Nonrecourse Secured ------------------------------- Promissory Note shall bind and inure to the benefit of the Borrower and the Lender and their respective successors, assigns, heirs and personal representatives. This Nonrecourse Secured Promissory Note shall be governed by and construed in accordance with the laws of the State of Colorado, and venue for any action regarding this Nonrecourse Secured Promissory Note shall lie exclusively in the state or federal district court located in Denver, Colorado. EXCEPTION. NOTWITHSTANDING ANYTHING TO THE CONTRARY SET FORTH --------- ABOVE IN THIS NONRECOURSE SECURED PROMISSORY NOTE, THE OBLIGATION OF THE BORROWER WITH RESPECT TO INTEREST ACCRUED ON THE LOAN DURING THE PERIOD FROM AND AFTER TWO YEARS AND SIX MONTHS FOLLOWING THE DATE THE LENDER FUNDS THE LOAN, TOGETHER WITH ANY DEFAULT INTEREST ACCRUING ONLY WITH RESPECT TO ANY NON-PAYMENT OF INTEREST DURING THE PERIOD COMMENCING TWO YEARS AND SIX MONTHS FOLLOWING THE DATE HEREOF AND REASONABLE COSTS OF COLLECTION WITH RESPECT TO THE FOREGOING INTEREST, SHALL BE WITH FULL RECOURSE TO THE BORROWER. SUCH RECOURSE OBLIGATION SHALL NOT BE SECURED BY THE LENDER'S STOCK PURSUANT TO THE ABOVE REFERRED TO STOCK PLEDGE AGREEMENT. 3 IN WITNESS WHEREOF, the Borrower has caused this Nonrecourse Secured Promissory Note to be executed as of the date first set forth above. FLYING J OIL & GAS INC., a Utah corporation By: /s/ JOHN R. SCALES ------------------------- Title: President ------------------------- BIG WEST OIL & GAS INC. a Utah corporation By: /s/ JOHN R. SCALES ------------------------- Title: PRESIDENT ------------------------- 4