TESORO PETROLEUM CORP /NEW/
10-Q, 1994-05-10
PETROLEUM REFINING
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<PAGE>   1





                                 UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                            Washington, D.C.  20549

                                   FORM 10-Q


(Mark One)

(X)      QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES
                                                  EXCHANGE ACT OF 1934

For the quarterly period ended    March 31, 1994   

                                                             OR

( )      TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES
                                                   EXCHANGE ACT OF 1934

For the transition period from _______________________ to _____________________

Commission File Number   1-3473  

                           Tesoro Petroleum Corporation  
             (Exact Name of Registrant as Specified in Its Charter)

           Delaware                                             95-0862768    
(State or Other Jurisdiction of                              (I.R.S. Employer
Incorporation or Organization)                               Identification No.)

                8700 Tesoro Drive, San Antonio, Texas  78217     
                    (Address of Principal Executive Offices)
                                   (Zip Code)

                          Telephone:  210-828-8484                    
              (Registrant's Telephone Number, Including Area Code)


Indicate by check mark whether the registrant: (1) has filed all reports
required to be filed by Section 13 or 15(d) of the Securities Exchange Act of
1934 during the preceding 12 months (or for such shorter period that the
registrant was required to file such reports), and (2) has been subject to such
filing requirements for the past 90 days.  Yes    X    No        
                                               -------    -------

There were 22,456,968 shares of the Registrant's common stock outstanding at
April 30, 1994.
<PAGE>   2
                 TESORO PETROLEUM CORPORATION AND SUBSIDIARIES

                               Index to Form 10-Q
                 For the Quarterly Period Ended March 31, 1994



<TABLE>
<CAPTION>
Part I.  Financial Information:                                                           Page
                                                                                          ----
<S>                                                                                        <C>
  Item 1.  Financial Statements (Unaudited)

      Condensed Consolidated Balance Sheets
        March 31, 1994 and December 31, 1993  . . . . . . . . . . . . . . . . . . . . .     3

      Condensed Statements of Consolidated Operations
        Three Months Ended March 31, 1994 and 1993  . . . . . . . . . . . . . . . . . .     5

      Condensed Statements of Consolidated Cash Flows
        Three Months Ended March 31, 1994 and 1993  . . . . . . . . . . . . . . . . . .     6

      Notes to Condensed Consolidated Financial Statements  . . . . . . . . . . . . . .     7

  Item 2.  Management's Discussion and Analysis of
      Financial Condition and Results of Operations . . . . . . . . . . . . . . . . . .    13

Part II.  Other Information:

  Item 1.  Legal Proceedings  . . . . . . . . . . . . . . . . . . . . . . . . . . . . .    24

  Item 2.  Changes in Securities  . . . . . . . . . . . . . . . . . . . . . . . . . . .    25

  Item 4.  Submission of Matters to a Vote of Security
           Holders  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .    26

  Item 6.  Exhibits and Reports on Form 8-K . . . . . . . . . . . . . . . . . . . . . .    28

Signatures  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .    29
</TABLE>
<PAGE>   3
                        PART I - FINANCIAL INFORMATION
 Item 1.                     Financial Statements
                TESORO PETROLEUM CORPORATION AND SUBSIDIARIES
                    Condensed Consolidated Balance Sheets
                                 (Unaudited)
                            (Dollars in thousands)

<TABLE>
<CAPTION>
                                                                 March 31,             December 31,
                                                                   1994                   1993*
                                                                 ---------             -----------
<S>                                                              <C>                   <C>
          ASSETS
          ------
Current Assets:
  Cash and cash equivalents (includes
    restricted cash of $26,550 and
    $25,420, respectively, as collateral
    for letters of credit). . . . . . . . . . . . . . . . . .    $   49,412             36,596
  Short-term investments. . . . . . . . . . . . . . . . . . .           -                5,952
  Receivables, less allowance for
    doubtful accounts of $2,419
   ($2,487 at December 31, 1993). . . . . . . . . . . . . . .        59,487             69,637
  Inventories:
    Crude oil, refined products and
      merchandise . . . . . . . . . . . . . . . . . . . . . .        72,261             71,011
    Materials and supplies. . . . . . . . . . . . . . . . . .         3,142              3,175
  Prepaid expenses and other. . . . . . . . . . . . . . . . .         9,870             10,136 
                                                                 ----------            -------
    Total Current Assets. . . . . . . . . . . . . . . . . . .       194,172            196,507

Property, Plant and Equipment, Net of
  Accumulated Depreciation, Depletion
  and Amortization of $177,188
  ($172,312 at December 31, 1993) . . . . . . . . . . . . . .       222,418            213,151

Investment in Tesoro Bolivia Petroleum
  Company . . . . . . . . . . . . . . . . . . . . . . . . . .         6,823              6,310

Other Assets. . . . . . . . . . . . . . . . . . . . . . . . .        18,696             18,554 
                                                                 ----------            -------

Total Assets. . . . . . . . . . . . . . . . . . . . . . . . .    $  442,109            434,522 
                                                                 ==========            =======
</TABLE>

The accompanying notes are an integral part of these condensed consolidated
financial statements.


*    The balance sheet at December 31, 1993 has been taken from the audited
     consolidated financial statements at that date and condensed.





                                      -3-
<PAGE>   4
                 TESORO PETROLEUM CORPORATION AND SUBSIDIARIES
                     Condensed Consolidated Balance Sheets
                                  (Unaudited)
                (Dollars in thousands, except per share amounts)

<TABLE>
<CAPTION>
                                                             March 31,             December 31,
                                                               1994                    1993*
                                                             ---------             ------------ 
LIABILITIES AND STOCKHOLDERS' EQUITY
- ------------------------------------
<S>                                                          <C>                      <C>
Current Liabilities:
  Accounts payable . . . . . . . . . . . . . . . . . . .     $  45,161                  43,192
  Accrued liabilities. . . . . . . . . . . . . . . . . .        32,623                  24,017
  Current portion of long-term debt
    and other obligations. . . . . . . . . . . . . . . .         6,094                   4,805 
                                                             ---------               ---------
       Total Current Liabilities . . . . . . . . . . . .        83,878                  72,014 
                                                             ---------               ---------

Other Liabilities. . . . . . . . . . . . . . . . . . . .        35,277                  45,272 
                                                             ---------                --------

Long-Term Debt and Other Obligations,
  Less Current Portion . . . . . . . . . . . . . . . . .       178,856                 180,667 
                                                             ---------               ---------

Commitments and Contingencies (Note 5)

Redeemable Preferred Stock . . . . . . . . . . . . . . .          -                     78,051 
                                                             ---------               ---------

Common Stock and Other Stockholders'
  Equity:
  $2.20 Cumulative convertible
    preferred stock. . . . . . . . . . . . . . . . . . .        57,500                     -
  $2.16 Cumulative convertible pre-
    ferred stock . . . . . . . . . . . . . . . . . . . .          -                      1,320
  Common Stock . . . . . . . . . . . . . . . . . . . . .         3,743                   2,348
  Additional paid-in capital . . . . . . . . . . . . . .       114,406                  86,985
  Retained earnings (deficit)  . . . . . . . . . . . . .      ( 31,337)               ( 31,898)
                                                             ---------               ---------
                                                               144,312                  58,755
  Less deferred compensation . . . . . . . . . . . . . .           214                     237 
                                                             ---------               ---------
                                                               144,098                  58,518 
                                                             ---------               ---------

Total Liabilities and Stockholders'
  Equity . . . . . . . . . . . . . . . . . . . . . . . .     $ 442,109                 434,522 
                                                             =========               =========
</TABLE>

The accompanying notes are an integral part of these condensed consolidated
financial statements.

*    The balance sheet at December 31, 1993 has been taken from the audited
     consolidated financial statements at that date and condensed.





                                      -4-
<PAGE>   5
                 TESORO PETROLEUM CORPORATION AND SUBSIDIARIES
                Condensed Statements of Consolidated Operations
                                  (Unaudited)

                (Dollars in thousands, except per share amounts)

<TABLE>
<CAPTION>
                                                                    Three Months Ended
                                                                         March 31,     
                                                            ---------------------------------
                                                             1994                        1993
                                                             ----                        ----
<S>                                                        <C>                          <C>
Revenues:
  Gross operating revenues  . . . . . . . . . .            $189,087                     224,494
  Interest income . . . . . . . . . . . . . . .                 523                         451
  Gain on sales of assets . . . . . . . . . . .               2,680                          48
  Other . . . . . . . . . . . . . . . . . . . .                 450                       1,488 
                                                           --------                    --------
    Total Revenues  . . . . . . . . . . . . . .             192,740                     226,481 
                                                           --------                    --------

Costs and Expenses:
  Costs of sales and operating
    expenses  . . . . . . . . . . . . . . . . .             167,605                     213,737
  General and administrative  . . . . . . . . .               3,627                       3,423
  Depreciation, depletion and
    amortization  . . . . . . . . . . . . . . .               6,677                       4,822
  Interest expense  . . . . . . . . . . . . . .               4,877                       5,013
  Other . . . . . . . . . . . . . . . . . . . .               1,191                       1,663 
                                                           --------                    --------
    Total Costs and Expenses  . . . . . . . . .             183,977                     228,658 
                                                           --------                    --------

Earnings (Loss) Before Income
  Taxes and Extraordinary Loss
  on Extinguishment of Debt . . . . . . . . . .               8,763                    (  2,177)
Income Tax Provision  . . . . . . . . . . . . .               1,561                         732 
                                                           --------                    --------
Earnings (Loss) Before Extraor-
  dinary Loss on Extinguishment
  of Debt . . . . . . . . . . . . . . . . . . .               7,202                    (  2,909)
Extraordinary Loss on Extinguish-
  ment of Debt  . . . . . . . . . . . . . . . .            (  4,752)                        -   
                                                           --------                    --------
Net Earnings (Loss) . . . . . . . . . . . . . .            $  2,450                    (  2,909)
                                                           ========                    ========
                                                          
Net Earnings (Loss) Applicable to
  Common Stock  . . . . . . . . . . . . . . . .            $    561                    (  5,211)
                                                           ========                    =========

Earnings (Loss) Per Primary and
  Fully Diluted* Share:
  Earnings (Loss) Before Extra-
    ordinary Loss on Extinguish-
    ment of Debt  . . . . . . . . . . . . . . .            $    .27                    (    .37)
  Extraordinary Loss on
    Extinguishment of Debt  . . . . . . . . . .            (    .24)                        -   
                                                           --------                     -------
  Net Earnings (Loss) . . . . . . . . . . . . .            $    .03                    (    .37)
                                                           ========                    ========

Weighted Average Common and Common
  Equivalent Shares (in thousands)  . . . . . .              19,455                      14,070
</TABLE>

The accompanying notes are an integral part of these condensed consolidated
financial statements.

*Anti-dilutive.





                                      -5-
<PAGE>   6
                 TESORO PETROLEUM CORPORATION AND SUBSIDIARIES
                Condensed Statements of Consolidated Cash Flows
                                  (Unaudited)
                             (Dollars in thousands)
<TABLE>
<CAPTION>
                                                                        Three Months Ended
                                                                             March 31,  
                                                                   -----------------------------
                                                                     1994                 1993
                                                                   --------             --------
<S>                                                                <C>                  <C>          
Cash Flows From (Used In) Operating Activities:                                                                                 
  Net earnings (loss) . . . . . . . . . . . . . . . . . . . . .    $    2,450            ( 2,909)
  Adjustments to reconcile net earnings                                                 
   (loss) to net cash from operating                                                    
    activities:                                                                         
    Loss (gain) on extinguishment of debt . . . . . . . . . . .         4,752            ( 1,422)
    Depreciation, depletion and                                                         
       amortization   . . . . . . . . . . . . . . . . . . . . .         6,677              4,822
    Gain on sales of assets . . . . . . . . . . . . . . . . . .       ( 2,680)           (    48)
    Other   . . . . . . . . . . . . . . . . . . . . . . . . . .           361                662
    Changes in assets and liabilities:                                                  
      Receivables . . . . . . . . . . . . . . . . . . . . . . .        11,151              3,520
      Inventories . . . . . . . . . . . . . . . . . . . . . . .       ( 1,217)            13,372
      Investment in Tesoro Bolivia                                                      
        Petroleum Company . . . . . . . . . . . . . . . . . . .       (   513)               377
      Other assets  . . . . . . . . . . . . . . . . . . . . . .         1,834              1,011
      Accounts payable and other current                                                
        liabilities . . . . . . . . . . . . . . . . . . . . . .         8,272              4,563
      Obligation payments to State of                                                   
        Alaska  . . . . . . . . . . . . . . . . . . . . . . . .       (   710)           (10,797)
      Other liabilities and obligations . . . . . . . . . . . .       (   118)             1,262 
                                                                   ----------          ---------
        Net cash from operating activities  . . . . . . . . . .        30,259             14,413 
                                                                   ----------          ---------
Cash Flows From (Used In) Investing                                                     
  Activities:                                                                           
  Capital expenditures  . . . . . . . . . . . . . . . . . . . .       (18,475)           ( 5,084)
  Proceeds from sales of assets, net of                                                 
    expenses  . . . . . . . . . . . . . . . . . . . . . . . . .         2,014                107
  Sales of short-term investments . . . . . . . . . . . . . . .         5,952             20,021
  Purchases of short-term investments   . . . . . . . . . . . .           -              ( 8,410)
  Other   . . . . . . . . . . . . . . . . . . . . . . . . . . .           351            (   206)
                                                                   ----------          ---------
     Net cash from (used in) investing                                                  
        activities    . . . . . . . . . . . . . . . . . . . . .       (10,158)             6,428 
                                                                   ----------          ---------
Cash Flows From (Used In) Financing                                                     
  Activities:                                                                           
  Payments of long-term debt  . . . . . . . . . . . . . . . . .       (10,222)           (   211)
  Issuance of long-term debt  . . . . . . . . . . . . . . . . .         5,000                -
  Dividends on preferred stock  . . . . . . . . . . . . . . . .       (   103)               -
  Repurchase of debentures  . . . . . . . . . . . . . . . . . .           -              ( 9,675)
  Other . . . . . . . . . . . . . . . . . . . . . . . . . . . .       ( 1,960)           (     5)
                                                                   ----------          ---------
     Net cash used in financing                                                         
        activities    . . . . . . . . . . . . . . . . . . . . .       ( 7,285)           ( 9,891)
                                                                   ----------          ---------
Increase in Cash and Cash Equivalents   . . . . . . . . . . . .        12,816             10,950
Cash and Cash Equivalents at Beginning of                                               
  Period  . . . . . . . . . . . . . . . . . . . . . . . . . . .        36,596             46,869 
                                                                   ----------          ---------
Cash and Cash Equivalents at End of                                                     
  Period  . . . . . . . . . . . . . . . . . . . . . . . . . . .    $   49,412             57,819 
                                                                   ==========          =========
Supplemental Cash Flow Disclosures:                                                     
  Interest paid   . . . . . . . . . . . . . . . . . . . . . . .    $    7,105              8,477 
                                                                   ==========          =========
  Income taxes paid   . . . . . . . . . . . . . . . . . . . . .    $      961                755 
                                                                   ==========          =========
</TABLE>

The accompanying notes are an integral part of these condensed consolidated
financial statements.





                                      -6-
<PAGE>   7
                 TESORO PETROLEUM CORPORATION AND SUBSIDIARIES
              Notes to Condensed Consolidated Financial Statements
                                  (Unaudited)

(1)      Basis of Presentation

         The interim condensed consolidated financial statements are unaudited
         but, in the opinion of management, incorporate all adjustments
         necessary for a fair presentation of results for such periods.  Such
         adjustments are of a normal recurring nature.  For information
         regarding the effects of the Recapitalization (as hereinafter
         defined), see Note 2 below.  The results of operations for any interim
         period are not necessarily indicative of results for the full year.
         The accompanying condensed consolidated financial statements should be
         read in conjunction with the consolidated financial statements and
         notes thereto contained in the Company's Annual Report on Form 10-K
         for the year ended December 31, 1993.

(2)      Recapitalization

         In February 1994, the Company consummated exchange offers and adopted
         amendments to its Restated Certificate of Incorporation pursuant to
         which the Company's outstanding debt and preferred stock were
         restructured (the "Recapitalization").  The Recapitalization has
         significantly improved the Company's capital structure.

         Significant components of the Recapitalization, together with the
         applicable accounting effects, were as follows:

     (i)     The Company has exchanged $44.1 million principal amount of new
             13% Exchange Notes ("Exchange Notes") due December 1, 2000 for a
             like principal amount of 12 3/4% Subordinated Debentures
             ("Subordinated Debentures") due March 15, 2001.  This exchange
             satisfied the 1994 sinking fund requirements and, except for $.9
             million, will satisfy sinking fund requirements for the
             Subordinated Debentures through 1997.

             The exchange of the Subordinated Debentures has been accounted for
             as an early extinguishment of debt in the first quarter of 1994,
             resulting in a charge of $4.8 million as an extraordinary loss on
             this transaction, which represented the excess of the estimated
             market value of the Exchange Notes over the carrying value of the
             Subordinated Debentures.  The carrying value of the Subordinated
             Debentures exchanged was reduced by applicable unamortized debt
             issue costs.  No tax benefit was available to offset the
             extraordinary loss as the Company has provided a 100% valuation
             allowance to the extent of its deferred tax assets.

     (ii)    The 1,319,563 outstanding shares of the Company's $2.16 Cumulative
             Convertible Preferred Stock ("$2.16 Preferred Stock"), which had a
             $25 per share liquidation preference, plus accrued and unpaid
             dividends aggregating $9.5 million at February 9, 1994, were
             reclassified into 6,465,859 shares of Common Stock.  The Company
             also agreed to issue up to 131,956 shares of Common Stock on
             behalf of the holders of $2.16 Preferred Stock to pay certain of
             their legal fees and expenses in connection with the settlement of
             litigation related to the reclassification.  Of such 131,956
             shares of Common Stock, 73,913 shares were awarded in April 1994
             by the Delaware Chancery Court for legal fees and expenses, with
             the remaining shares to be issued to the





                                      -7-
<PAGE>   8
                 TESORO PETROLEUM CORPORATION AND SUBSIDIARIES
        Notes to Condensed Consolidated Financial Statements (Continued)
                                  (Unaudited)



             former holders of $2.16 Preferred Stock upon the court's order
             becoming final and nonappealable.

             The issuance of the Common Stock in connection with the
             reclassification and settlement of litigation that was recorded in
             1994 resulted in an increase in Common Stock of approximately $1
             million, equal to the aggregate par value of the Common Stock 
             issued, and an increase in additional paid-in capital of
             approximately $9 million.

      (iii)  The Company and MetLife Security Insurance Company of Louisiana
             ("MetLife Louisiana"), the holder of all of the Company's
             outstanding $2.20 Redeemable Cumulative Convertible Preferred
             Stock ("$2.20 Preferred Stock"), entered into an agreement (the
             "Amended MetLife Memorandum") with regard to the $2.20 Preferred
             Stock pursuant to which MetLife Louisiana agreed to waive all
             existing mandatory redemption requirements, to consider all
             accrued and unpaid dividends thereon (aggregating $21.2 million at
             February 9, 1994) to have been paid, to allow the Company to pay
             future dividends on the $2.20 Preferred Stock in Common Stock in
             lieu of cash, to waive or refrain from exercising certain other
             rights of the $2.20 Preferred Stock and to grant to the Company a
             three-year option (the "MetLife Louisiana Option") to purchase all
             of MetLife Louisiana's holdings of $2.20 Preferred Stock and
             Common Stock for approximately $53 million prior to June 30, 1994
             after giving effect to the scheduled dividend payment on May 15,
             1994, all in consideration for, among other things, the issuance
             by the Company to MetLife Louisiana of 1,900,075 shares of Common
             Stock.  Such additional shares are subject to the MetLife
             Louisiana Option.  The unexercised option price will be increased
             by 3% on the last day of each calendar quarter until December 31,
             1995, and by 3 1/2% on the last day of each quarter thereafter,
             and will be reduced by cash dividends paid on the $2.20 Preferred
             Stock after February 9, 1994.  The Company will be required to pay
             dividends (in either cash or Common Stock) when due on the $2.20
             Preferred Stock in order for the MetLife Louisiana Option to
             remain outstanding.  In addition, the MetLife Louisiana Option is
             subject to certain minimum exercise requirements to remain
             outstanding beyond one year and two years.

             These actions have resulted in the reclassification of the $2.20
             Preferred Stock into equity capital at its aggregate liquidation
             preference of $57.5 million and the recording of an increase in
             additional paid-in capital of approximately $21 million in
             February 1994.

             If the Recapitalization had been completed at the beginning of the
             year, the pro forma earnings per share before extraordinary loss
             would have decreased from $.27 to $.24 for the three months ended
             March 31, 1994 due to the additional shares of Common Stock issued
             in the Recapitalization.





                                      -8-
<PAGE>   9
                 TESORO PETROLEUM CORPORATION AND SUBSIDIARIES
        Notes to Condensed Consolidated Financial Statements (Continued)
                                  (Unaudited)



(3)      Property, Plant and Equipment

         In January 1994, the Company sold its terminal facilities in Valdez,
         Alaska for cash proceeds of $2.0 million and a note receivable of $3.0
         million, which resulted in a pretax gain to the Company of
         approximately $2.8 million during the three months ended March 31,
         1994.


(4)      Credit Arrangements

         During April 1994, the Company entered into a new three-year $125
         million corporate revolving credit facility ("Revolving Credit
         Facility") with a consortium of ten banks.  The Revolving Credit
         Facility, which is subject to a borrowing base, provides for (i) the
         issuance of letters of credit up to the full amount of the borrowing
         base as calculated, but not to exceed $125 million, (ii) cash
         borrowings up to the amount of the borrowing base attributable to
         domestic oil and gas reserves and (iii) a 90-day option to convert up
         to $15 million of the commitment under the Revolving Credit Facility
         into a four-year term loan for the construction of a vacuum unit at
         the Company's Kenai, Alaska refinery (the "Refinery").  Outstanding
         obligations under the Revolving Credit Facility are secured by liens
         on substantially all of the Company's trade accounts receivable and
         product inventory and mortgages on the Refinery and the Company's
         South Texas natural gas reserves.

         Letters of credit available under the Revolving Credit Facility are
         limited to a borrowing base calculation.  The borrowing base, which is
         comprised of eligible accounts receivable, inventory and domestic oil
         and gas reserves, has initially been determined to be approximately
         $97 million.  As of April 28, 1994, the Company had outstanding
         letters of credit under the new facility of $31 million, with a
         remaining unused availability of $66 million.  Cash borrowings (other
         than under the term loan facility for the vacuum unit) are limited to
         the amount of the oil and gas reserve component of the borrowing base,
         which has initially been determined to be approximately $32 million.
         Cash borrowings under the Revolving Credit Facility will reduce the
         availability of letters of credit on a dollar-for-dollar basis;
         however, letter of credit issuances will not reduce cash borrowing
         availability unless the aggregate dollar amount of outstanding letters
         of credit exceeds the sum of the accounts receivable and inventory
         components of the borrowing base.

         Under the terms of the Revolving Credit Facility, the Company is
         required to maintain specified levels of working capital, tangible net
         worth and cash flow.  Among other matters, the Revolving Credit
         Facility has certain restrictions with respect to (i) capital
         expenditures, (ii) incurrence of additional indebtedness, and (iii)
         dividends on its capital stock.  The Revolving Credit Facility
         contains other covenants customary in credit arrangements of this
         kind.

         The Revolving Credit Facility replaced certain interim financing
         arrangements that the Company had been using since the termination of
         its prior letter of credit facility in October 1993.  The interim
         financing arrangements that were cancelled in conjunction with the
         completion of





                                      -9-
<PAGE>   10
                 TESORO PETROLEUM CORPORATION AND SUBSIDIARIES
        Notes to Condensed Consolidated Financial Statements (Continued)
                                  (Unaudited)



         the new Revolving Credit Facility included a $30 million reducing
         revolving credit facility and a waiver and substitution of collateral
         agreement with the State of Alaska (the "State").  In addition, the
         completion of the Revolving Credit Facility provides the Company
         significant flexibility in the investment of excess cash balances, as
         the Company is no longer required to maintain minimum cash balances or
         to cash secure letters of credit.


 (5)     Commitments and Contingencies

         Tennessee Gas Contract.  The Company is selling a portion of the gas
         from its Bob West Field to Tennessee Gas Pipeline Company ("Tennessee
         Gas") under a Gas Purchase and Sales Agreement (the "Tennessee Gas
         Contract") which provides that the price of gas shall be the maximum
         price as calculated in accordance with Section 102(b)(2) (the
         "Contract Price") of the Natural Gas Policy Act of 1978 (the "NGPA").

         Tennessee Gas filed suit against the Company alleging that the
         Tennessee Gas Contract is not applicable to the Company's properties
         and that the gas sales price should be the price calculated under the
         provisions of Section 101 of the NGPA rather than the Contract Price.
         During March 1994, the Contract Price was $7.84 per Mcf, the Section
         101 price was $4.58 per Mcf and the average spot market price was
         $2.09 per Mcf.  Tennessee Gas also claimed that the contract should be
         considered an "output contract" under Section 2.306 of the Texas
         Business and Commerce Code and that the increases in volumes tendered
         under the contract exceeded those allowable for an output contract.
         The Company continues to receive payment from Tennessee Gas based on
         the Contract Price for all volumes that are subject to the contract
         under the Company's interpretation.

         The District Court trial judge returned a verdict in favor of the
         Company on all issues.  On appeal by Tennessee Gas, the Court of
         Appeals affirmed the validity of the Tennessee Gas Contract as to the
         Company's properties and held that the price payable by Tennessee Gas
         for the gas was the Contract Price.  The Court of Appeals remanded the
         case to the trial court based on its determination (i) that the
         Tennessee Gas Contract was an output contract and (ii) that a fact
         issue existed as to whether the increases in the volumes of gas
         tendered to Tennessee Gas under the contract were made in bad faith or
         were unreasonably disproportionate to prior tenders.  The Company is
         seeking review of the appellate court ruling on the output contract
         issue in the Supreme Court of Texas.  Tennessee Gas is seeking review
         of the appellate court ruling denying the remaining Tennessee Gas
         claims in the Supreme Court of Texas.

         Although the outcome of any litigation is uncertain, management, based
         upon advice from outside legal counsel, is confident that the decision
         of the trial and appellate courts will ultimately be upheld as to the
         validity of the Tennessee Gas Contract and the Contract Price.
         Therefore, if the Supreme Court of Texas does not grant the Company's
         petition for writ of error and affirms the appellate court ruling, the
         Company believes that the only issue for trial should be whether the





                                      -10-
<PAGE>   11
                 TESORO PETROLEUM CORPORATION AND SUBSIDIARIES
        Notes to Condensed Consolidated Financial Statements (Continued)
                                  (Unaudited)


         increases in the volumes of gas tendered to Tennessee Gas from the
         Company's properties were made in bad faith or were unreasonably
         disproportionate.  The appellate court decision was the first reported
         decision in Texas holding that a take-or-pay contract was an output
         contract.  As a result, it is not clear what standard the trial court
         would be required to apply in determining whether the increases were
         in bad faith or unreasonably disproportionate.  The appellate court
         acknowledged in its opinion that the standards used in evaluating
         other kinds of output contracts would not be appropriate in this
         context.  The Company believes that the  appropriate standard would be
         whether the development of the field was undertaken in a manner that a
         prudent operator would have undertaken in the absence of an
         above-market sales price.  Under that standard, the Company believes
         that, if this issue is tried, the development of its gas properties
         and the resulting increases in volumes tendered to Tennessee Gas will
         be found to have been reasonable and in good faith.  Accordingly, the
         Company has recognized revenues, net of production taxes and marketing
         charges, for natural gas sales through March 31, 1994, under the
         Tennessee Gas Contract based on the Contract Price, which net revenues
         aggregated $21.1 million more than the Section 101 prices and $38.9
         million in excess of the spot market prices.  If Tennessee Gas
         ultimately prevails in this litigation, the Company could be required
         to return to Tennessee Gas the difference between the spot market
         price for gas and the Contract Price, plus interest, if awarded by the
         court.  An adverse judgment in this case could have a material adverse
         effect on the Company.  For further information regarding the
         Tennessee Gas Contract, see Management's Discussion and Analysis of
         Financial Condition and Results of Operations in Part I, Item 2.

         Other.  In March 1992, the Company received a Compliance Order and
         Notice of Violation from the U. S. Environmental Protection Agency
         ("EPA") alleging possible violations by the Company of the New Source
         Performance Standards under the Clean Air Act at the Refinery.  The
         Company is continuing in its efforts to resolve these issues with the
         EPA; however, no final resolution has been reached.  The Company
         believes that the ultimate resolution of this matter will not have a
         material adverse effect upon the Company's business or financial
         condition.

         The Company is subject to extensive federal, state and local
         environmental laws and regulations.  These laws, which are constantly
         changing, regulate the discharge of materials into the environment and
         may require the Company to remove or mitigate the environmental
         effects of the disposal or release of petroleum or chemical substances
         at various sites.  The Company is currently involved with two waste
         disposal sites in Louisiana at which it has been named a potentially
         responsible party under the Federal Superfund law.  Although this law
         might impose joint and several liability upon each party at any site,
         the extent of the Company's allocated financial contribution to the
         cleanup of these sites is expected to be limited based on the number
         of companies and the volumes of waste involved.  At each site, a
         number of large companies have also been named as potentially
         responsible parties and are expected to cooperate in the cleanup.  The
         Company is also involved in remedial response and has incurred cleanup
         expenditures associated with





                                      -11-
<PAGE>   12
                 TESORO PETROLEUM CORPORATION AND SUBSIDIARIES
        Notes to Condensed Consolidated Financial Statements (Continued)
                                  (Unaudited)


         environmental matters at a number of other sites including certain of
         its own properties.

         At March 31, 1994, the Company had accrued $6.0 million for
         environmental costs.  Based on currently available information,
         including the participation of other parties or former owners in
         remediation actions, the Company believes these accruals are adequate.
         Conditions which require additional expenditures may exist for various
         Company sites, including, but not limited to, the Refinery, service
         stations (current and closed locations) and petroleum product
         terminals, and for compliance with the Clean Air Act.  The amount of
         such future expenditures cannot presently be determined by the
         Company.

         The Company transports its crude oil and a substantial portion of its
         refined products utilizing Kenai Pipe Line Company's ("KPL") pipeline
         and marine terminal facilities in Kenai, Alaska.  In March 1994, KPL
         filed a revised tariff with the Federal Energy Regulatory Commission
         ("FERC") for dock loading services, which would have increased the
         Company's annual cost of transporting products through KPL's
         facilities from $1.2 million to $11.2 million, or an increase of $10
         million per year.  Following the FERC's rejection of KPL's tariff and
         the commencement of negotiations for the purchase by the Company of
         the dock facilities, KPL filed a temporary tariff that would increase
         the Company's annual cost by approximately $1.5 million.  The
         negotiations between the Company and KPL are continuing.  The Company
         believes that the ultimate resolution of this matter will not have a
         material adverse effect upon the financial condition or results of
         operations of the Company.





                                      -12-
<PAGE>   13
Item 2.                TESORO PETROLEUM CORPORATION AND
                                 SUBSIDIARIES
                   Management's Discussion and Analysis of
                 Financial Condition and Results of Operations

RESULTS OF OPERATIONS - THREE MONTHS ENDED MARCH 31, 1994 COMPARED WITH THE
THREE MONTHS ENDED MARCH 31, 1993

A summary of the Company's consolidated results of operations for the three
months ended March 31, 1994 and 1993 is presented below:

<TABLE>
<CAPTION>
                                                                                     Three Months Ended
                                                                                         March 31,
                                                                                   1994             1993
                                                                                   ----             ----
<S>                                                                                <C>               <C>
Consolidated Results of Operations Data
  (in millions, except per share amounts):
  Gross Operating Revenues  . . . . . . . . . . . . . . . . . . . . . . .          $189.1             224.5
  Interest Income   . . . . . . . . . . . . . . . . . . . . . . . . . . .              .5                .5
  Gain on Sales of Assets   . . . . . . . . . . . . . . . . . . . . . . .             2.7                -
  Other Income  . . . . . . . . . . . . . . . . . . . . . . . . . . . . .              .4               1.5 
                                                                                   -------           -------
    Total Revenues  . . . . . . . . . . . . . . . . . . . . . . . . . . .           192.7             226.5
  Costs of Sales and Operating Expenses.  . . . . . . . . . . . . . . . .           167.6             213.8
  General and Administrative  . . . . . . . . . . . . . . . . . . . . . .             3.6               3.4
  Depreciation, Depletion and Amortization  . . . . . . . . . . . . . . .             6.6               4.8
  Interest Expense  . . . . . . . . . . . . . . . . . . . . . . . . . . .             4.9               5.0
  Other Expense   . . . . . . . . . . . . . . . . . . . . . . . . . . . .             1.2               1.7
  Income Tax Provision  . . . . . . . . . . . . . . . . . . . . . . . . .             1.6                .7 
                                                                                   -------           -------
  Earnings (Loss) Before Extraordinary Loss   . . . . . . . . . . . . . .             7.2            (  2.9)
  Extraordinary Loss on Extinguishment of Debt  . . . . . . . . . . . . .           ( 4.8)              --  
                                                                                   -------          --------
  Net Earnings (Loss)   . . . . . . . . . . . . . . . . . . . . . . . . .          $  2.4            (  2.9)
                                                                                   =======           =======

Earnings (Loss) per Primary and Fully Diluted*
  Share:
  Earnings (Loss) Before Extraordinary Loss   . . . . . . . . . . . . . .          $  .27            (  .37)
  Extraordinary Loss on Extinguishment of Debt  . . . . . . . . . . . . .           ( .24)              --  
                                                                                   -------          --------
  Net Earnings (Loss)   . . . . . . . . . . . . . . . . . . . . . . . . .          $  .03            (  .37)
                                                                                   =======           =======
</TABLE>

*Anti-dilutive

Net earnings of $2.4 million, or $.03 per share, for the three months ended
March 31, 1994 ("1994 quarter") compare to a net loss of $2.9 million, or $.37
per share, for the three months ended March 31, 1993 ("1993 quarter").  The
comparability between these two periods was impacted by certain transactions.
The 1994 quarter included a noncash extraordinary loss of $4.8 million on the
extinguishment of debt in connection with the Recapitalization.  Earnings
before the extraordinary loss were $7.2 million, or $.27 per share, for the
1994 quarter.  Also included in the 1994 quarter was a $2.8 million gain on the
sale of the Company's Valdez, Alaska terminal.  The 1993 quarter included a
gain of $1.4 million on the repurchase and retirement of $11.25 million
principal amount of Subordinated Debentures at market value.  Excluding these
transactions from both periods, the improvement in the 1994 quarter as compared
to the 1993 quarter was primarily attributable to higher natural gas prices on
increased natural gas production from the Bob West Field and improved gross
margins in the refining and marketing operations.





                                      -13-
<PAGE>   14
Item 2.                TESORO PETROLEUM CORPORATION AND
                                 SUBSIDIARIES
                   Management's Discussion and Analysis of
          Financial Condition and Results of Operations (Continued)

Refining and Marketing
<TABLE>
<CAPTION>
                                                                                  Three Months Ended
                                                                                       March 31,
                                                                                 1994             1993
                                                                               --------         --------
                                                                                   (Dollars in millions,
                                                                                  except per unit amounts)
<S>                                                                           <C>                 <C>
Gross Operating Revenues  . . . . . . . . . . . . . . . . . . . . . . .       $   150.3               194.6
Costs of Sales  . . . . . . . . . . . . . . . . . . . . . . . . . . . .           124.2               173.1
                                                                              ---------           ---------
  Gross Margin  . . . . . . . . . . . . . . . . . . . . . . . . . . . .            26.1                21.5
Operating Expenses and Other, Including                                                   
  Gain on Sales of Assets . . . . . . . . . . . . . . . . . . . . . . .            17.1                17.8
Depreciation and Amortization . . . . . . . . . . . . . . . . . . . . .             2.6                 2.5
                                                                              ---------           ---------
  Operating Profit  . . . . . . . . . . . . . . . . . . . . . . . . . .       $     6.4                 1.2
                                                                              =========           =========
                                                                                          
Refinery Throughput (average daily barrels) . . . . . . . . . . . . . .          45,320              52,911
                                                                              =========           =========
                                                                                          
Sales of Refinery Production:                                                             
  Sales ($ per barrel)  . . . . . . . . . . . . . . . . . . . . . . . .       $   18.46               20.98
  Margin ($ per barrel)   . . . . . . . . . . . . . . . . . . . . . . .       $    4.24                2.94
  Volume (average daily barrels)  . . . . . . . . . . . . . . . . . . .          46,236              57,332
                                                                                          
Sales of Products Purchased for Resale:                                                   
  Sales ($ per barrel)  . . . . . . . . . . . . . . . . . . . . . . . .       $   24.12               26.43
  Margin ($ per barrel)   . . . . . . . . . . . . . . . . . . . . . . .       $    2.62                 .88
  Volume (average daily barrels)  . . . . . . . . . . . . . . . . . . .          19,582              22,643
                                                                                          
Sales Volumes (average daily barrels):                                                    
  Gasoline  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .          22,570              25,907
  Jet fuel  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .          10,678              12,618
  Diesel fuel and other distillates   . . . . . . . . . . . . . . . . .          16,124              20,584
  Residual fuel oil   . . . . . . . . . . . . . . . . . . . . . . . . .          16,446              20,866
                                                                              ---------           ---------
    Total   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .          65,818              79,975
                                                                              =========           =========
                                                                                          
Sales Prices ($ per barrel):                                                              
  Gasoline  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .       $   23.92               25.51
  Jet fuel  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .       $   25.43               28.70
  Diesel fuel and other distillates   . . . . . . . . . . . . . . . . .       $   23.53               26.19
  Residual fuel oil   . . . . . . . . . . . . . . . . . . . . . . . . .       $    8.22               11.46
</TABLE>

Revenues decreased in the 1994 quarter as compared to the 1993 quarter,
primarily due to an 18% reduction in sales volumes of refined products.  The
reduction in volumes resulted from the Company's market-driven operating
strategy implemented in 1993, which more closely aligns Refinery production
with market demand in Alaska while minimizing the output of lower value
residual fuel oil.  Costs of sales were lower in the 1994 quarter, due to the
reduced throughput level together with a decrease in crude oil prices.
Included in operating expenses and other above for the 1994 quarter was the
$2.8 million gain from the sale of the Company's Valdez, Alaska terminal.  The
overall improvement in gross margin and the gain on sales of assets were
partially offset by a $2.1 million increase in operating expenses which
included higher environmental and transportation costs.





                                      -14-
<PAGE>   15
Item 2.          TESORO PETROLEUM CORPORATION AND SUBSIDIARIES
                    Management's Discussion and Analysis of
           Financial Condition and Results of Operations (Continued)

Exploration and Production
<TABLE>
<CAPTION>
                                                                                     Three Months Ended
                                                                                         March 31,
                                                                                   1994             1993
                                                                                   ----             ----
                                                                                   (Dollars in millions,
                                                                                  except per unit amounts)
                                                                                                          
<S>                                                                                <C>               <C>
United States:                                                                       
  Gross operating revenues*   . . . . . . . . . . . . . . . . . . . . .            $  17.4              7.7
  Lifting cost  . . . . . . . . . . . . . . . . . . . . . . . . . . . .                2.1              1.2
  Depreciation, depletion and amortization  . . . . . . . . . . . . . .                3.8              2.0
  Other . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .                 .3               .3
                                                                                   -------           ------
    Operating Profit - United States  . . . . . . . . . . . . . . . . .               11.2              4.2
                                                                                   -------           ------
                                                                                     
Bolivia:                                                                             
  Gross operating revenues  . . . . . . . . . . . . . . . . . . . . . .                2.8              2.8
  Lifting cost  . . . . . . . . . . . . . . . . . . . . . . . . . . . .                 .2               .4
  Other . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .                 .7              1.0
                                                                                   -------           ------
    Operating Profit - Bolivia  . . . . . . . . . . . . . . . . . . . .                1.9              1.4
                                                                                   -------           ------
                                                                                     
Total Operating Profit  . . . . . . . . . . . . . . . . . . . . . . . .            $  13.1              5.6
                                                                                   =======           ======
                                                                                     
Natural Gas - United States:                                                         
  Production (average daily Mcf) -                                                   
    Tennessee Gas Contract* . . . . . . . . . . . . . . . . . . . . . .             16,181            6,356
    Spot market and other . . . . . . . . . . . . . . . . . . . . . . .             32,817           20,653
                                                                                   -------           ------
       Total Production . . . . . . . . . . . . . . . . . . . . . . . .             48,998           27,009
                                                                                   =======           ======
  Average sales price per Mcf -                                                      
    Tennessee Gas Contract* . . . . . . . . . . . . . . . . . . . . . .             $ 7.80             7.36
    Spot market . . . . . . . . . . . . . . . . . . . . . . . . . . . .             $ 2.01             1.75
    Average . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .             $ 3.92             3.07
  Average lifting cost per Mcf  . . . . . . . . . . . . . . . . . . . .             $  .53              .49
  Depletion per Mcf . . . . . . . . . . . . . . . . . . . . . . . . . .             $  .85              .82
                                                                                     
Natural Gas - Bolivia:                                                               
  Production (average daily Mcf)  . . . . . . . . . . . . . . . . . . .             19,137           17,747
  Average sales prices per Mcf  . . . . . . . . . . . . . . . . . . . .            $  1.23             1.19
  Average lifting cost per net equivalent Mcf . . . . . . . . . . . . .            $   .11              .23
                                                                             
- -----------------------
</TABLE>

*   The Company is involved in litigation with Tennessee Gas relating to a
    natural gas sales contract.  See "Capital Resources and
    Liquidity--Litigation" and Note 5 of Notes to Condensed Consolidated
    Financial Statements.





                                      -15-
<PAGE>   16
Item 2.          TESORO PETROLEUM CORPORATION AND SUBSIDIARIES
                    Management's Discussion and Analysis of
           Financial Condition and Results of Operations (Continued)


The number of producing wells in South Texas in which the Company has an
interest increased to 33 at the end of the 1994 quarter compared to 11 at the
end of the 1993 quarter.  The resulting increase in the Company's production
levels in South Texas, together with higher average sales prices, contributed
to the higher revenues.  Total lifting costs and depreciation, depletion and
amortization also increased in the 1994 quarter due to the higher production
levels.

The 1994 quarter production level, which was higher than the 1993 quarter's,
was lower than the 58 MMcf per day produced during the three months ended
December 31, 1993. In February 1994, the common carrier pipeline facilities
transporting gas from the Bob West Field were at capacity and the Company's
production from the field was curtailed.  The curtailment affects only
production subject to spot market prices, and the Company continues to produce
and transport all of its gas in the Bob West Field that is subject to the
Tennessee Gas Contract. Accordingly, the average realized selling price for the
Company's domestic natural gas was $3.92 per Mcf during the 1994 quarter, which
compares to $3.07 per Mcf in the 1993 quarter. A new common carrier pipeline,
which will provide transportation for the increased gas production from the Bob
West Field, is being constructed by Coastal States Gas Transmission Company.
The Company expects that further curtailments will occur until June 1, 1994,
the anticipated completion date of the new pipeline.

Results from the Company's Bolivian operations improved by $.5 million when
comparing the 1994 quarter to the 1993 quarter.  Under a sales contract with
Yacimientos Petroliferos Fiscales Bolivianos ("YPFB"), the Company's Bolivian
natural gas production is sold to YPFB, which in turn sells the natural gas to
the Republic of Argentina.  The contract between YPFB and the Republic of
Argentina has recently been extended for an additional three-year period ending
March 31, 1997.  The contract extension will maintain approximately the same
volumes, but with a small decrease in price.  The Company's contract with YPFB,
including the pricing provision, is subject to renegotiation in May 1994 for up
to a three-year period.  As a result of the terms of the contract extension
between YPFB and the Republic of Argentina, the Company expects the
renegotiation to result in the same production volume but with a corresponding
small decrease in the contract price.





                                      -16-
<PAGE>   17
Item 2.                                     TESORO PETROLEUM CORPORATION AND
SUBSIDIARIES
                    Management's Discussion and Analysis of
           Financial Condition and Results of Operations (Continued)


<TABLE>
<CAPTION>
Oil Field Supply and Distribution
- ---------------------------------
                                                                                     Three Months Ended
                                                                                         March 31,
                                                                                   1994             1993
                                                                                   ----             ----
                                                                                   (Dollars in millions)
                                                                                                        
<S>                                                                          <C>                    <C>
Gross Operating Revenues  . . . . . . . . . . . . . . . . . . . . . . .      $       18.6             19.4
Costs of Sales  . . . . . . . . . . . . . . . . . . . . . . . . . . . .              15.9             16.6 
                                                                                   -------          -------
  Gross Margin  . . . . . . . . . . . . . . . . . . . . . . . . . . . .               2.7              2.8
Operating Expenses and Other  . . . . . . . . . . . . . . . . . . . . .               3.8              3.5
Depreciation and Amortization . . . . . . . . . . . . . . . . . . . . .                .1               .1 
                                                                                   -------          -------
  Operating Loss  . . . . . . . . . . . . . . . . . . . . . . . . . . .      $     (  1.2)          (   .8)
                                                                                   =======          =======

Refined Product Sales (average daily barrels) . . . . . . . . . . . . .             7,424            6,897 
                                                                                   =======          =======
</TABLE>

Operating expenses and other for the 1994 quarter included a charge of
approximately $.9 million for winding up the Company's environmental products
marketing operations.  The Company is continuing its wholesale marketing of
fuels and lubricants.

Interest and Other Income

Other income in the 1993 quarter included a $1.4 million gain from the purchase
and retirement of $11.25 million principal amount of Subordinated Debentures in
January 1993.  Since this retirement satisfied the sinking fund requirement due
in March 1993, the gain was not reported as an extraordinary item.

Income Taxes 

The increase of $.8 million in the income tax provision during the 1994 quarter
as compared to the 1993 quarter was due to federal and state income taxes on
the Company's increased taxable earnings.

CAPITAL RESOURCES AND LIQUIDITY

During the first quarter of 1994, the Company continued to achieve significant
improvement in profitability, resulting primarily from (i) strong gross margins
on the sales of refined products, (ii) the Company's recently implemented
market-driven operating strategy to better align Refinery production with
refined product demand in the Alaskan market and minimize the output of lower
value residual fuel oil and (iii) higher natural gas production resulting from
continuing success in developing the Bob West Field.  The Company's liquidity
and capital resources have been significantly enhanced as a result of the
Company's improvement in profitability, together with the completion of the
Recapitalization in February 1994 and the finalization of the Company's
Revolving Credit Facility during April 1994.

Significant components of the Recapitalization were as follows:

         (i)     Subordinated Debentures in the principal amount of $44.1
                 million were tendered in exchange for a like principal amount
                 of new Exchange Notes, which satisfied the 1994 sinking fund
                 requirements and, except for $.9 million, will satisfy sinking
                 fund requirements for the Subordinated





                                      -17-
<PAGE>   18
Item 2.          TESORO PETROLEUM CORPORATION AND SUBSIDIARIES
                    Management's Discussion and Analysis of
           Financial Condition and Results of Operations (Continued)


                 Debentures through 1997.  The Exchange Notes bear interest at
                 13% per annum, are scheduled to mature on December 1, 2000 and
                 have no sinking fund requirements.

         (ii)    The 1,319,563 outstanding shares of $2.16 Preferred Stock,
                 together with accrued and unpaid dividends of $9.5 million at
                 February 9, 1994, were reclassified into 6,465,859 shares of
                 Common Stock.  The Company also agreed to issue up to 131,956
                 shares of Common Stock on behalf of the holders of $2.16
                 Preferred Stock to pay certain of their legal fees and
                 expenses in connection with the settlement of litigation
                 related to the reclassification.  Of such 131,956 shares of
                 Common Stock, 73,913 shares were awarded by the court for
                 legal fees and expenses, with the remaining shares to be
                 issued to the former holders of $2.16 Preferred Stock upon the
                 court's order becoming final and nonappealable.

         (iii)   The Company and MetLife Louisiana, the holder of all the
                 Company's outstanding $2.20 Preferred Stock, entered into the
                 Amended MetLife Memorandum, pursuant to which MetLife
                 Louisiana agreed to waive all existing mandatory redemption
                 requirements, to consider all accrued and unpaid dividends
                 thereon through February 9, 1994 (aggregating approximately
                 $21.2 million) to have been paid, to allow the Company to pay
                 future dividends in Common Stock in lieu of cash, to waive or
                 refrain from exercising certain other rights of the $2.20
                 Preferred Stock and to grant to the Company the MetLife
                 Louisiana Option (pursuant to which the Company has the option
                 to purchase, until February 9, 1997, all shares of the $2.20
                 Preferred Stock and Common Stock held by MetLife Louisiana),
                 all in consideration for, among other things, the issuance by
                 the Company to MetLife Louisiana of 1,900,075 shares of Common
                 Stock.  Such additional shares are also subject to the MetLife
                 Louisiana Option.  Until June 30, 1994, the option price is
                 approximately $53.0 million, after giving effect to a
                 reduction in the option price for the scheduled cash dividend
                 payment on the $2.20 Preferred Stock on May 15, 1994.  The
                 unexercised option price will be increased by 3% on the last
                 day of each calendar quarter until December 31, 1995, and by 3
                 1/2% on the last day of each quarter thereafter, and will be
                 reduced by cash dividends paid on the $2.20 Preferred Stock
                 after February 9, 1994.  The Company will be required to pay
                 dividends (in either cash or Common Stock) when due on the
                 $2.20 Preferred Stock in order for the MetLife Louisiana
                 Option to remain outstanding.  In addition, the MetLife
                 Louisiana Option is subject to certain minimum exercise
                 requirements to remain outstanding beyond one year and two
                 years.

For further information regarding the Recapitalization, refer to Note 2 of
Notes to Condensed Consolidated Financial Statements.

The Company is currently pursuing a registered public offering of its Common
Stock (the "Offering") for the purpose of raising funds to exercise the MetLife
Louisiana Option.  Any net proceeds in excess of the amount required to
exercise the MetLife Louisiana Option in full will be used for general
corporate purposes.  If the MetLife Louisiana Option is exercised in full prior
to June 30, 1994, the Company will acquire 2,875,000 shares of $2.20 Preferred
Stock having a liquidation value of $57.5 million and 4,084,160 shares of
Common Stock having an aggregate market value of $47.0 million (based on a
closing price of





                                      -18-
<PAGE>   19
Item 2.          TESORO PETROLEUM CORPORATION AND SUBSIDIARIES
                    Management's Discussion and Analysis of
           Financial Condition and Results of Operations (Continued)


$11 1/2 per share on May 4, 1994) in consideration for approximately $53.0
million.  Upon the exercise in full of the MetLife Louisiana Option, dividend
requirements of $6.3 million per year on the $2.20 Preferred Stock would be
eliminated.  Such offering and the exercise in full of the MetLife Louisiana
Option will result in a net increase of only 915,840 outstanding shares of
Common Stock.  If the net proceeds from the Offering are less than the full
exercise price, the Metlife Louisiana Option will be exercised in part to the
extent of the net proceeds.  The MetLife Louisiana Option provides that any
partial exercise will result in the purchase of a pro rata portion of each of
the shares of Common Stock and the shares of $2.20 Preferred Stock held by
MetLife Louisiana.  The Company is currently prohibited under the terms of the
indenture governing the Subordinated Debentures from repurchasing its capital
stock, except from the proceeds of a substantially concurrent sale of other
shares of capital stock.  Accordingly, if the proceeds to the Company from the
Offering are not sufficient to exercise the MetLife Louisiana Option in full,
the Company would be able to exercise the MetLife Louisiana Option only to the
extent of the net proceeds of the Offering. There can be no assurance that the
Offering will be consummated.

The Company transports its crude oil and a substantial portion of its refined
products utilizing KPL's pipeline and marine terminal facilities in Kenai,
Alaska.  In March 1994, KPL filed a revised tariff with the FERC for dock
loading services, which would have increased the Company's annual cost of
transporting products through KPL's facilities from $1.2 million to $11.2
million, or an increase of $10 million per year.  Following the FERC's
rejection of KPL's tariff and the commencement of negotiations for the purchase
by the Company of the dock facilities, KPL filed a temporary tariff that would
increase the Company's annual cost by approximately $1.5 million.  The
negotiations between the Company and KPL are continuing.  The Company believes
that the ultimate resolution of this matter will not have a material adverse
effect upon the financial condition or results of operations of the Company.


Credit Arrangements

During April 1994, the Company entered into a new three-year $125 million
Revolving Credit Facility with a consortium of ten banks.  The Revolving Credit
Facility, which is subject to a borrowing base, provides for (i) the issuance
of letters of credit up to the full amount of the borrowing base as calculated,
but not to exceed $125 million, (ii) cash borrowings up to the amount of the
borrowing base attributable to domestic oil and gas reserves and (iii) a 90-day
option to convert up to $15 million of the commitment under the Revolving
Credit Facility into a four-year term loan for the construction of the vacuum
unit at the Refinery.  Outstanding obligations under the Revolving Credit
Facility are secured by liens on substantially all of the Company's trade
accounts receivable and product inventory and mortgages on the Refinery and the
Company's South Texas natural gas reserves.

Letters of credit available under the Revolving Credit Facility are limited to
a borrowing base calculation.  The borrowing base, which is comprised of
eligible accounts receivable, inventory and domestic oil and gas reserves, has
initially been determined to be approximately $97 million.  As of April 28,
1994, the Company had outstanding letters of credit under the new facility of
$31 million, with a remaining unused availability of $66 million.  Cash





                                      -19-
<PAGE>   20
Item 2.          TESORO PETROLEUM CORPORATION AND SUBSIDIARIES
                    Management's Discussion and Analysis of
           Financial Condition and Results of Operations (Continued)


borrowings (other than under the term loan facility for the vacuum unit) are
limited to the amount of the oil and gas reserve component of the borrowing
base, which has initially been determined to be approximately $32 million.
Cash borrowings under the Revolving Credit Facility will reduce the
availability of letters of credit on a dollar-for-dollar basis; however, letter
of credit issuances will not reduce cash borrowing availability unless the
aggregate dollar amount of outstanding letters of credit exceeds the sum of the
accounts receivable and inventory components of the borrowing base.  The terms
of the Revolving Credit Facility include standard and customary restrictions
and covenants.  For information concerning such restrictions and covenants, see
Note 4 of Notes to Condensed Consolidated Financial Statements.

The Revolving Credit Facility replaced certain interim financing arrangements
that the Company had been using since the termination of its prior letter of
credit facility in October 1993.  The interim financing arrangements that were
cancelled in conjunction with the completion of the new Revolving Credit
Facility included a $30 million reducing revolving credit facility and a waiver
and substitution of collateral agreement with the State.  In addition, the
completion of the Revolving Credit Facility provides the Company significant
flexibility in the investment of excess cash balances, as the Company is no
longer required to maintain minimum cash balances or to cash secure letters of
credit.

Debt and Other Obligations

The Company's funded debt obligations as of December 31, 1993 included
approximately $108.8 million principal amount of Subordinated Debentures, which
bear interest at 12 3/4% per annum and require sinking fund payments sufficient
to annually retire $11.25 million principal amount of Subordinated Debentures.
As part of the Recapitalization, $44.1 million principal amount of Subordinated
Debentures was tendered in exchange for a like principal amount of Exchange
Notes.  Such exchange satisfied the 1994 sinking fund requirements and, except
for $.9 million, will satisfy sinking fund requirements for the Subordinated
Debentures through 1997.  The indenture governing the Subordinated Debentures
contains certain covenants, including a restriction which prevents the current
payment of cash dividends on Common Stock and currently limits the Company's
ability to purchase or redeem any shares of its capital stock.  The Exchange
Notes bear interest at 13% per annum, mature on December 1, 2000 and have no
sinking fund requirements.  The limitation on dividend payments included in the
indenture governing the Exchange Notes is less restrictive than the limitation
imposed by the Subordinated Debentures.  The Subordinated Debentures and
Exchange Notes are redeemable at the option of the Company at 100% of principal
amount, plus accrued interest.

The Company is monitoring the feasibility of a debt offering that would reduce
fixed charges by refinancing all or a substantial portion of such indebtedness
at lower interest rates.  The Company is not undertaking such a debt offering
at this time because it considers the current interest rate environment
unattractive; however, if interest rate levels decline, the Company may decide
to proceed with such an offering.  There can be no assurance whether or when
such an offering would occur.  If the Subordinated Debentures and Exchange
Notes are redeemed prior to their respective maturities, the Company will be
required to recognize a noncash extraordinary charge to earnings equal to the
portion of





                                      -20-
<PAGE>   21
Item 2.          TESORO PETROLEUM CORPORATION AND SUBSIDIARIES
                    Management's Discussion and Analysis of
           Financial Condition and Results of Operations (Continued)


the original issue discount on the Subordinated Debentures and the debt
issuance costs of both the Subordinated Debentures and the Exchange Notes that
remain unamortized at the date of redemption (aggregating approximately $8.5
million at March 31, 1994).

Capital Expenditures

The Company has under consideration total capital expenditures ranging from
approximately $65 million to $80 million in 1994.  Proposed capital
expenditures for 1994 include approximately $29 million for the continued
development of the Bob West Field, which could be increased by $10 million to
$15 million based on additional development drilling proposed by the operators.
In addition, the proposed capital expenditures for 1994 include $32 million for
the refining and marketing operations, of which $24 million is associated with
the installation of a vacuum unit at the Refinery to allow the Company to
further upgrade residual fuel oil production into higher-valued products.  The
Revolving Credit Facility, along with other available funds, is expected to
provide sufficient capital to meet the Company's capital expenditure
requirements during 1994.

Cash Flows From Operating, Investing and Financing Activities

During the 1994 quarter, cash and cash equivalents increased by $12.8 million
and short-term investments decreased by $6.0 million.  At March 31, 1994, the
Company's cash totaled $49.4 million, which included $26.6 million as
collateral for outstanding letters of credit.  Subsequent to March 31, 1994,
these interim cash-backed letter of credit arrangements were replaced by the
Revolving Credit Facility (see Note 4 of Notes to Condensed Consolidated
Financial Statements).  Working capital amounted to $110.3 million at March 31,
1994.  Net cash from operating activities of $30.3 million during the 1994
quarter, compared to $14.4 million for the 1993 quarter, was primarily due to
net earnings adjusted for certain noncash charges and reduced working capital
requirements.  The 1993 quarter included a payment of $10.8 million to the
State in connection with the settlement of a contractual dispute.  Net cash
used in investing activities of $10.2 million during the 1994 quarter included
capital expenditures of $18.5 million, partially offset by cash proceeds of
$2.0 million from the sale of the Company's Valdez, Alaska terminal and the
sale of $6.0 million in short-term investments.  Capital expenditures for the
1994 quarter included $11.7 million for exploration and production activities
in the Bob West Field, where an additional six natural gas development wells
were completed during this period.  The refining and marketing segment's
capital expenditures totaled $6.1 million for the 1994 quarter, primarily for
initial installation costs for the vacuum unit and completion of the
deisobutanizer unit.  Net cash used in financing activities of $7.3 million
during the 1994 quarter included the repayment of net borrowings of $5.0
million under the reducing revolving credit facility, which was replaced by the
Revolving Credit Facility (see Note 4 of Notes to Condensed Consolidated
Financial Statements).

Litigation

The Company is subject to certain commitments and contingencies, including a
contingency relating to a natural gas sales contract dispute with Tennessee
Gas.





                                      -21-
<PAGE>   22
Item 2.          TESORO PETROLEUM CORPORATION AND SUBSIDIARIES
                    Management's Discussion and Analysis of
           Financial Condition and Results of Operations (Continued)


The Company is selling a portion of the gas from its Bob West Field to
Tennessee Gas under a Gas Purchase and Sales Agreement which provides that the
price of gas shall be the maximum price as calculated in accordance with
Section 102(b)(2) (the "Contract Price") of the NGPA.

Tennessee Gas filed suit against the Company alleging that the gas contract is
not applicable to the Company's properties and that the gas sales price should
be the price calculated under the provisions of Section 101 of the NGPA rather
than the Contract Price.  During March 1994, the Contract Price was $7.84 per
Mcf, the Section 101 price was $4.58 per Mcf and the average spot market price
was $2.09 per Mcf.  Tennessee Gas also claimed that the contract should be
considered an "output contract" under Section 2.306 of the Texas Business and
Commerce Code and that the increases in volumes tendered under the contract
exceeded those allowable for an output contract.  The Company continues to
receive payment from Tennessee Gas based on the Contract Price for all volumes
that are subject to the contract under the Company's interpretation.

The District Court trial judge returned a verdict in favor of the Company on
all issues.  On appeal by Tennessee Gas, the Court of Appeals affirmed the
validity of the Tennessee Gas Contract as to the Company's properties and held
that the price payable by Tennessee Gas for the gas was the Contract Price.
The Court of Appeals remanded the case to the trial court based on its
determination (i) that the Tennessee Gas Contract was an output contract and
(ii) that a fact issue existed as to whether the increases in the volumes of
gas tendered to Tennessee Gas under the contract were made in bad faith or were
unreasonably disproportionate to prior tenders.  The Company is seeking review
of the appellate court ruling on the output contract issue in the Supreme Court
of Texas.  Tennessee Gas is seeking review of the appellate court ruling
denying the remaining Tennessee Gas claims in the Supreme Court of Texas.

Although the outcome of any litigation is uncertain, management, based upon
advice from outside legal counsel, is confident that the decision of the trial
and appellate courts will ultimately be upheld as to the validity of the
Tennessee Gas Contract and the Contract Price.  Therefore, if the Supreme Court
of Texas does not grant the Company's petition for writ of error and affirms
the appellate court ruling, the Company believes that the only issue for trial
should be whether the increases in the volumes of gas tendered to Tennessee Gas
from the Company's properties were made in bad faith or were unreasonably
disproportionate.  The appellate court decision was the first reported decision
in Texas holding that a take-or-pay contract was an output contract.  As a
result, it is not clear what standard the trial court would be required to
apply in determining whether the increases were in bad faith or unreasonably
disproportionate.  The appellate court acknowledged in its opinion that the
standards used in evaluating other kinds of output contracts would not be
appropriate in this context.  The Company believes that the appropriate
standard would be whether the development of the field was undertaken in a
manner that a prudent operator would have undertaken in the absence of an
above-market sales price.  Under that standard, the Company believes that, if
this issue is tried, the development of its gas properties and the resulting
increases in volumes tendered to Tennessee Gas will be found to have been
reasonable and in good faith.  Accordingly, the Company has recognized
revenues, net of production taxes and marketing charges, for natural gas sales
through March 31, 1994, under the Tennessee Gas Contract based on the Contract
Price, which net revenues





                                      -22-
<PAGE>   23
Item 2.          TESORO PETROLEUM CORPORATION AND SUBSIDIARIES
                    Management's Discussion and Analysis of
           Financial Condition and Results of Operations (Continued)


aggregated $21.1 million more than the Section 101 prices and $38.9 million in
excess of the spot market prices.  If Tennessee Gas ultimately prevails in this
litigation, the Company could be required to return to Tennessee Gas the
difference between the spot market price for gas and the Contract Price, plus
interest, if awarded by the court.  In addition, the present value of estimated
future net revenues on a pre-tax basis from the Company's proved domestic
reserves has been calculated based in part on the price being paid by Tennessee
Gas at the date of determination.  At March 31, 1994, such present value was
$171.0 million.  If calculated using March 31, 1994 spot market prices instead
of the Contract Price, such present value would have been $92.0 million.  An
adverse judgment in this case could have a material adverse effect on the
Company.

Environmental

The Company is subject to extensive federal, state and local environmental laws
and regulations.  These laws, which are constantly changing, regulate the
discharge of materials into the environment and may require the Company to
remove or mitigate the environmental effects of the disposal or release of
petroleum or chemical substances at various sites or install additional
controls or other modifications or changes in use for certain emission sources.
The Company is currently involved in remedial responses and has incurred
clean-up expenditures associated with environmental matters at a number of
sites, including certain of its own properties.  Although the level of future
expenditures for environmental purposes, including cleanup obligations, is
impossible to determine with any degree of probability, it is management's
opinion that, based on current knowledge and the extent of such expenditures to
date, the ultimate aggregate cost of environmental remediation will not have a
material adverse effect on the Company's financial condition.  At March 31,
1994, the Company's accrual for environmental liabilities was $6.0 million.

Impact of Changing Prices

The Company's operating results and cash flows are sensitive to the volatile
changes in energy prices.  Major shifts in the cost of crude oil and the price
of refined products can result in a change in gross margin from the refining
and marketing operations, as prices received for refined products may or may
not keep pace with changes in crude costs.  These energy prices, together with
volume levels, also determine the carrying value of crude oil and refined
product inventory.

Likewise, major changes in natural gas prices impact revenues and the present
value of estimated future net revenues from the Company's exploration and
production operations.  The carrying value of oil and gas assets may also be
subject to noncash write-downs based on changes in natural gas prices and
other determining factors.





                                      -23-
<PAGE>   24
                          PART II - OTHER INFORMATION

Item 1.   Legal Proceedings

    Tennessee Gas Contract.  The Company is selling a portion of the gas
    from its Bob West Field to Tennessee Gas under a Gas Purchase and Sales
    Agreement which provides that the price of gas shall be the Contract Price.

    Tennessee Gas filed suit against the Company alleging that the gas
    contract is not applicable to the Company's properties and that the gas
    sales price should be the price calculated under the provisions of Section
    101 of the NGPA rather than the Contract Price.  During March 1994, the
    Contract Price was $7.84 per Mcf, the Section 101 price was $4.58 per Mcf
    and the average spot market price was $2.09 per Mcf.  Tennessee Gas also
    claimed that the contract should be considered an "output contract" under
    Section 2.306 of the Texas Business and Commerce Code and that the
    increases in volumes tendered under the contract exceeded those allowable
    for an output contract.  The Company continues to receive payment from
    Tennessee Gas based on the Contract Price for all volumes that are subject
    to the contract under the Company's interpretation.

    The District Court trial judge returned a verdict in favor of the
    Company on all issues.  On appeal by Tennessee Gas, the Court of Appeals
    affirmed the validity of the Tennessee Gas Contract as to the Company's
    properties and held that the price payable by Tennessee Gas for the gas was
    the Contract Price.  The Court of Appeals remanded the case to the trial
    court based on its determination (i) that the Tennessee Gas Contract was an
    output contract and (ii) that a fact issue existed as to whether the
    increases in the volumes of gas tendered to Tennessee Gas under the
    contract were made in bad faith or were unreasonably disproportionate to
    prior tenders.  The Company is seeking review of the appellate court ruling
    on the output contract issue in the Supreme Court of Texas.  Tennessee Gas
    is seeking review of the appellate court ruling denying the remaining
    Tennessee Gas claims in the Supreme Court of Texas.

    Although the outcome of any litigation is uncertain, management,
    based upon advice from outside legal counsel, is confident that the
    decision of the trial and appellate courts will ultimately be upheld as to
    the validity of the Tennessee Gas Contract and the Contract Price.
    Therefore, if the Supreme Court of Texas does not grant the Company's
    petition for writ of error and affirms the appellate court ruling, the
    Company believes that the only issue for trial should be whether the
    increases in the volumes of gas tendered to Tennessee Gas from the
    Company's properties were made in bad faith or were unreasonably
    disproportionate.  The appellate court decision was the first reported
    decision in Texas holding that a take-or-pay contract was an output
    contract.  As a result, it is not clear what standard the trial court would
    be required to apply in determining whether the increases were in bad faith
    or unreasonably disproportionate.  The appellate court acknowledged in its
    opinion that the standards used in evaluating other kinds of output
    contracts would not be appropriate in this context.  The Company believes
    that the appropriate standard would be whether the development of the field
    was undertaken in a manner that a prudent operator would have undertaken in
    the absence of an above-market sales price.  Under that standard, the
    Company believes that, if this issue is tried, the development of its gas
    properties and the resulting increases in volumes tendered to Tennessee Gas
    will be found to have been reasonable and in good faith.  Accordingly, the
    Company has recognized revenues, net of production taxes and marketing
    charges, for natural gas sales through





                                      -24-
<PAGE>   25
    March 31, 1994, under the Tennessee Gas Contract based on the Contract
    Price, which net revenues aggregated $21.1 million more than the Section
    101 prices and $38.9 million in excess of the spot market prices.  If
    Tennessee Gas ultimately prevails in this litigation, the Company could be
    required to return to Tennessee Gas the difference between the spot market
    price for gas and the Contract Price, plus interest, if awarded by the
    court.  In addition, the present value of estimated future net revenues on
    a pre-tax basis from the Company's proved domestic reserves has been
    calculated based in part on the price being paid by Tennessee Gas at the
    date of determination.  At March 31, 1994, such present value was $171.0
    million.  If calculated using March 31, 1994 spot market prices instead of
    the Contract Price, such present value would have been $92.0 million.  An
    adverse judgment in this case could have a material adverse effect on the
    Company.

    Recapitalization Matters.  In October 1993, Croyden Associates, a
    holder of shares of the Company's $2.16 Preferred Stock, filed a class
    action suit in Delaware Chancery Court on behalf of itself and all other
    holders of the $2.16 Preferred Stock.  The suit alleged that the Company
    and its directors breached their fiduciary duties to the holders of the
    $2.16 Preferred Stock in formulating the originally proposed terms of the
    Recapitalization, which provided for the reclassification of each share of
    $2.16 Preferred Stock into 3.5 shares of Common Stock or, at the holder's
    option, 2.75 shares of Common Stock and .25 share of a new issue of
    preferred stock.  The suit sought, among other things, monetary damages and
    to enjoin the Recapitalization.  In April 1994, the court approved a
    settlement agreement which provided for (i) the exchange of each share of
    $2.16 Preferred Stock into 4.9 shares of Common Stock and (ii) the issuance
    of up to 131,956 shares of Common Stock and an additional $500,000 in cash
    from the Company to pay attorneys' fees awarded by the Delaware Chancery
    Court. Of such 131,956 shares of Common Stock, 73,913 shares were awarded by
    the court for legal fees and expenses, with the remaining shares to be
    issued to the former holders of $2.16 Preferred Stock upon the court's
    order becoming final and nonappealable.

Item 2.   Changes in Securities

    In April 1994, the Company entered into the Revolving Credit Facility,
    under which the Company is required to maintain specified levels of 
    working capital, tangible net worth and cash flow. The Revolving Credit 
    Facility has certain restrictions with respect to dividends on its capital
    stock. For further information on the Revolving Credit Facility, see Note 4
    of Notes to Condensed Consolidated Financial Statements in Part I, Item 1.





                                      -25-
<PAGE>   26
Item 4.   Submission of Matters to a Vote of Security Holders

          (a)    The 1993 annual meeting of stockholders of the Company was
                 held on February 9, 1994.

          (b)    The names of the directors elected at the meeting and a
                 tabulation of the number of votes cast for, against or
                 withheld with respect to each such director is set forth
                 below:

                                     Votes

<TABLE>
<CAPTION>
         Name                      For             Against         Withheld
         ----                      ---             -------         --------
 <S>                            <C>                   <C>           <C>
 Charles F. Luce                16,568,999            0             230,695
                                                             
 John J. McKetta, Jr.           16,199,887            0             599,807

 Stewart G. Nagler              16,568,768            0             230,926
                                                             
 Arthur Spitzer                 16,586,952            0             212,742
</TABLE>                                                     

          The name of each other director whose term of office as a director
continued after the meeting is set forth below:

                 Robert J. Caverly
                 Steven H. Grapstein
                 Raymond K. Mason, Sr.
                 Murray L. Weidenbaum
                 Ray C. Adam
                 Michael D. Burke
                 Peter M. Detwiler
                 M. Richard Stewart
                 Charles Wohlstetter

          (c)    A brief description of each matter, other than the election of
                 directors, voted upon at the meeting and the number of votes
                 cast for, against or withheld, as well as the number of
                 abstentions and broker non-votes as to each matter, is set
                 forth below:





                                      -26-
<PAGE>   27
<TABLE>
<CAPTION>
                                                                                                                   Broker
           Description                    For             Against        Withheld          Abstentions            Non-Votes
- ---------------------------------------------------------------------------------------------------------------------------
 <S>                                   <C>                <C>             <C>                   <C>               <C>
 Proposal to amend the
 Company's Certificate of
 Incorporation to (i)
 reclassify the $2.16 Preferred
 Stock into Common Stock, (ii)
 remove the provisions relating
 to the division of directors
 into three classes, and (iii)
 require, under certain
 circumstances, in the absence
 of the approval of 66-2/3% of
 the stockholders to amend, in
 a manner adverse to the
 Company, certain agreements
 with MetLife Louisiana          

     All shares entitled to vote       14,661,289          251,743         88,841                0                1,797,821

     Holders of $2.16 Preferred
     Stock voting separately as
     a class                              911,114           38,207         11,346                0                  234,370

 Proposal to amend the                 
 Company's Certificate of
 Incorporation to eliminate,
 upon the occurrence of certain
 conditions, the requirement
 for the affirmative vote of
 not less than 80% of the
 outstanding shares of capital
 stock of the Company to
 approve certain transactions by
 the Company
                                       14,624,055          277,621         98,431                0                1,799,587
</TABLE>





                                      -27-
<PAGE>   28
<TABLE>
<CAPTION>
                                                                                                                   Broker
           Description                    For             Against        Withheld           Abstentions           Non-Votes
- ---------------------------------------------------------------------------------------------------------------------------
 <S>                                   <C>                <C>             <C>                   <C>               <C>
 Proposal to approve the                               
 Company's Executive Long-Term
 Incentive Plan                        14,028,892         858,746         114,235               0                 1,797,821


                                                                                                                       
 Proposal to appoint Deloitte &
 Touche as independent auditors
 for the Company for 1993              16,665,918          66,091          67,685               0                 0
</TABLE>


Item 6.   Exhibits and Reports on Form 8-K

    (a)   Exhibits

          See the Exhibit Index immediately preceding the exhibits filed
          herewith.

    (b)   Reports on Form 8-K

          No reports on Form 8-K have been filed during the quarter for which
          this report is filed.





                                      -28-
<PAGE>   29
                                   SIGNATURES


    Pursuant to the requirements of the Securities Exchange Act of 1934, the
Registrant has duly caused this report to  be  signed on  its behalf by the
undersigned thereunto duly authorized.


                                            TESORO PETROLEUM CORPORATION 
                                                      Registrant




Date:  May 9, 1994                          /s/ MICHAEL D. BURKE               
                                              Michael D. Burke
                                               President and
                                          Chief Executive Officer





Date:  May 9, 1994                          /s/ BRUCE A. SMITH
                                              Bruce A. Smith
                                       Executive Vice President and
                                          Chief Financial Officer





                                      -29-
<PAGE>   30
                                 EXHIBIT INDEX





Exhibit
Number
- -------

   10.1    Credit Agreement (the "Credit Agreement") dated as of April 20, 1994
           among the Company and Texas Commerce Bank National Association
           ("TCB"), as Issuing Bank and as Agent, and certain other banks named
           therein.

   10.2    Guaranty Agreement dated as of April 20, 1994 among various
           subsidiaries of the Company and TCB, as Issuing Bank and as Agent,
           and certain other banks named therein.

   10.3    Mortgage, Deed of Trust, Assignment of Production, Security
           Agreement and Financing Statement dated as of April 20, 1994 from
           Tesoro Exploration and Production Company, entered into in
           connection with the Credit Agreement.

   10.4    Deed of Trust, Security Agreement and Financing Statement dated as
           of April 20, 1994 among Tesoro Alaska Petroleum Company, TransAlaska
           Title Insurance Agency, Inc., as Trustee, and TCB, as Agent, entered
           into in connection with the Credit Agreement.

   10.5    Pledge Agreement dated as of April 20, 1994 by the Company in favor
           of TCB, entered into in connection with the Credit Agreement.

   10.6    Security Agreement (Accounts and Inventory) dated as of April 20,
           1994 between the Company and TCB, entered into in connection with
           the Credit Agreement.

   10.7    Security Agreement (Accounts and Inventory) dated as of April 20,
           1994 between Tesoro Alaska Petroleum Company and TCB, entered into
           in connection with the Credit Agreement.

   10.8    Security Agreement (Accounts) dated as of April 20, 1994 between
           Tesoro Petroleum Distributing Company and TCB, entered into in
           connection with the Credit Agreement.

   10.9    Security Agreement (Accounts and Inventory) dated as of April 20,
           1994 between Tesoro Exploration and Production Company and TCB,
           entered into in connection with the Credit Agreement.

   10.10   Security Agreement (Accounts and Inventory) dated as of April 20,
           1994 between Tesoro Refining, Marketing & Supply Company and TCB,
           entered into in connection with the Credit Agreement.

   11      Information Supporting Earnings (Loss) Per Share Computations.





                                      -30-

<PAGE>   1
                                                                   EXHIBIT 10.1


                                CREDIT AGREEMENT


                                     Among


                          TESORO PETROLEUM CORPORATION
                                 as the Company


                                      and


                    TEXAS COMMERCE BANK NATIONAL ASSOCIATION
                 Individually, as an Issuing Bank and as Agent,


                                 BANQUE PARIBAS
               Individually, as an Issuing Bank, and as Co-Agent


                                      and


                             FINANCIAL INSTITUTIONS
                        NOW OR HEREAFTER PARTIES HERETO


                     $125,000,000 Revolving Credit Facility
                    $15,000,000 Optional Advancing Term Loan


                                 April 20, 1994
<PAGE>   2
                               TABLE OF CONTENTS


<TABLE>
<CAPTION>
                                                              ARTICLE I

                                                      DEFINITIONS; CONSTRUCTION

     <S>            <C>                                                                                             <C>
     Section 1.01   Definitions   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .      1
     Section 1.02   Accounting Terms and Determinations   . . . . . . . . . . . . . . . . . . . . . . . . . . .     23
     Section 1.03   Other Definitional Terms  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     23

                                                             ARTICLE II

                                                      AMOUNT AND TERMS OF LOANS

     Section 2.01   Commitments   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     23
     Section 2.02   Borrowing Requests.   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     24
     Section 2.03   Letters of Credit   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     25
     Section 2.04   Disbursement of Funds   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     29
     Section 2.05   Notes.  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     30
     Section 2.06   Interest  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     31
     Section 2.07   Interest Periods  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     32
     Section 2.08   Repayment of Loans  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     32
     Section 2.09   Termination or Reduction of Commitments   . . . . . . . . . . . . . . . . . . . . . . . . .     32
     Section 2.10   Prepayments   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     33
     Section 2.11   Continuation and Conversion Options   . . . . . . . . . . . . . . . . . . . . . . . . . . .     34
     Section 2.12   Fees    . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     35
     Section 2.13   Payments, etc   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     36
     Section 2.14   Interest Rate Not Ascertainable, etc  . . . . . . . . . . . . . . . . . . . . . . . . . . .     37
     Section 2.15   Illegality  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     37
     Section 2.16   Increased Costs   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     38
     Section 2.17   Change of Lending Office  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     40
     Section 2.18   Funding Losses  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     40
     Section 2.19   Sharing of Payments, etc  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     40
     Section 2.20   E&P Loan Value  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     40
     Section 2.21   Taxes   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     42
     Section 2.22   Pro Rata Treatment  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     44
     Section 2.23   Disposition of Proceeds   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     44
     Section 2.24   Senior Debt   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     45

                                                             ARTICLE III

                                                   CONDITIONS TO BORROWINGS AND TO
                                                 PURCHASE, RENEWAL AND REARRANGEMENT

     Section 3.01   Closing   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     45
     Section 3.02   Conditions Precedent to Initial Loan  . . . . . . . . . . . . . . . . . . . . . . . . . . .     45
</TABLE>
<PAGE>   3
<TABLE>
     <S>            <C>                                                                                             <C>
     Section 3.03   Conditions Precedent to Each Loan   . . . . . . . . . . . . . . . . . . . . . . . . . . . .     48
     Section 3.04   Recordings  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     48
     Section 3.05   Activation of Term Loan Commitments   . . . . . . . . . . . . . . . . . . . . . . . . . . .     48

                                                             ARTICLE IV

                                                   REPRESENTATIONS AND WARRANTIES

     Section 4.01   Corporate Existence   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     49
     Section 4.02   Corporate Power and Authorization   . . . . . . . . . . . . . . . . . . . . . . . . . . . .     49
     Section 4.03   Binding Obligations   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     49
     Section 4.04   No Legal Bar or Resultant Lien  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     49
     Section 4.05   No Consent  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     49
     Section 4.06   Financial Information   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     50
     Section 4.07   Investments and Guaranties  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     50
     Section 4.08   Litigation  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     50
     Section 4.09   Use of Proceeds   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     50
     Section 4.10   Compliance with ERISA   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     51
     Section 4.11   Taxes; Governmental Charges   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     51
     Section 4.12   Titles, etc   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     51
     Section 4.13   Defaults  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     51
     Section 4.14   Casualties; Taking of Properties  . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     52
     Section 4.15   Compliance with the Law   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     52
     Section 4.16   No Material Misstatements   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     52
     Section 4.17   Investment Company Act  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     52
     Section 4.18   Public Utility Holding Company Act  . . . . . . . . . . . . . . . . . . . . . . . . . . . .     52
     Section 4.19   Subsidiaries  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     52
     Section 4.20   Insurance   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     52
     Section 4.21   Mortgaged Property  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     53
     Section 4.22   Gas Imbalances  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     53
     Section 4.23   Environmental Matters   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     53
     Section 4.24   Recapitalization  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     55

                                                              ARTICLE V

                                                              COVENANTS

     Section 5.01   Certain Affirmative Covenants   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     55
             (a)    Maintenance and Compliance, etc.  . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     55
             (b)    Payment of Taxes and Claims, etc.   . . . . . . . . . . . . . . . . . . . . . . . . . . . .     55
             (c)    Further Assurances.   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     55
             (d)    Performance of Obligations  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     55
             (e)    Insurance   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     56
</TABLE>





                                      -ii-
<PAGE>   4
<TABLE>
     <S>            <C>                                                                                             <C>
             (f)    Accounts and Records  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     56
             (g)    Right of Inspection   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     56
             (h)    Operation and Maintenance of Mortgaged Property and Compliance with Leases  . . . . . . . .     56
             (i)    Stock of Subsidiaries   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     57
             (j)    Certain Additional Assurances Regarding Maintenance and Operation of Properties   . . . . .     57
             (k)    Designation of Subsidiaries as Additional Guarantors.   . . . . . . . . . . . . . . . . . .     57
             (l)    Minimum Capital Expenditures.   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     57
             (m)    Payment of Charters and Tariffs   . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     57
             (n)    Title Opinions  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     57
     Section 5.02   Reporting Covenants   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     57
             (a)    Annual Financial Statements   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     58
             (b)    Quarterly Financial Statements  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     58
             (c)    No Default/Compliance Certificate   . . . . . . . . . . . . . . . . . . . . . . . . . . . .     58
             (d)    Auditors' No Default Certificate; Management Letters  . . . . . . . . . . . . . . . . . . .     59
             (e)    Engineering Reports   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     59
             (f)    Title Information   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     59
             (g)    Events or Circumstances with respect to Mortgaged Property  . . . . . . . . . . . . . . . .     59
             (h)    Bi-Weekly Borrowing Base Reports  . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     59
             (i)    Notice of Certain Events  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     60
             (j)    Shareholder Communications, Filings, etc  . . . . . . . . . . . . . . . . . . . . . . . . .     60
             (k)    Litigation  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     60
             (l)    ERISA   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     60
             (m)    Borrowing Base Audit  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     61
             (n)    Other Information   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     61
     Section 5.03   Financial Covenants   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     61
             (a)    Consolidated Tangible Net Worth   . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     61
             (b)    Working Capital   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     61
             (c)    Company's Cash Flow Coverage  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     61
             (d)    Tesoro Alaska EBITDA  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     62
     Section 5.04   Certain Negative Covenants  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     62
             (a)    Indebtedness  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     62
             (b)    Liens   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     64
             (c)    Mergers, Sales, etc   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     66
             (d)    Dividends, etc  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     67
             (e)    Investments, Loans, etc   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     67
             (f)    Lease Payments  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     68
             (g)    Sales and Leasebacks  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     69
             (h)    Nature of Business  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     69
             (i)    ERISA Compliance  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     69
             (j)    Sale or Discount of Receivables   . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     70
             (k)    Negative Pledge Agreements  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     70
</TABLE>





                                     -iii-
<PAGE>   5
<TABLE>
     <S>            <C>                                                                                             <C>
             (l)    Transactions with Affiliates  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     70
             (m)    Unconditional Purchase Obligations  . . . . . . . . . . . . . . . . . . . . . . . . . . . .     71
             (n)    Stock   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     71
             (o)    Capital Expenditures  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     71

                                                             ARTICLE VI


                                                          EVENTS OF DEFAULT

     Section 6.01   Payments  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     72
     Section 6.02   Covenants Without Notice  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     72
     Section 6.03   Other Covenants   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     72
     Section 6.04   Other Financing Document Obligations  . . . . . . . . . . . . . . . . . . . . . . . . . . .     72
     Section 6.05   Representations   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     73
     Section 6.06   Non-Payments of Other Indebtedness  . . . . . . . . . . . . . . . . . . . . . . . . . . . .     73
     Section 6.07   Defaults Under Other Agreements   . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     73
     Section 6.08   Bankruptcy  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     73
     Section 6.09   ERISA   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     74
     Section 6.10   Money Judgment  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     74
     Section 6.11   Discontinuance of Business  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     74
     Section 6.12   Security Instruments  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     74
     Section 6.13   Change of Control   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     74
     Section 6.14   Mandatory Prepayments   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     74
     Section 6.15   Material Adverse Event  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     74

                                                             ARTICLE VII

                                                              THE AGENT

     Section 7.01   Appointment of Agent  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     75
     Section 7.02   Nature of Duties of Agent and Co-Agent  . . . . . . . . . . . . . . . . . . . . . . . . . .     75
     Section 7.03   Lack of Reliance on the Agent and the Co-Agent  . . . . . . . . . . . . . . . . . . . . . .     75
     Section 7.04   Certain Rights of the Agent   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     76
     Section 7.05   Reliance by Agent   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     76
     Section 7.06   INDEMNIFICATION OF AGENT AND THE CO-AGENT   . . . . . . . . . . . . . . . . . . . . . . . .     76
     Section 7.07   The Agent and Co-Agent in their Individual Capacity   . . . . . . . . . . . . . . . . . . .     76
     Section 7.08   May Treat Lender as Owner   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     77
     Section 7.09   Successor Agent   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     77
</TABLE>





                                      -iv-
<PAGE>   6
<TABLE>
                                                            ARTICLE VIII

                                                            MISCELLANEOUS

     <S>            <C>                                                                                             <C>
     Section 8.01   Notices   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     77
     Section 8.02   Amendments, etc   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     78
     Section 8.03   No Waiver; Remedies Cumulative  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     78
     Section 8.04   Payment of Expenses, Indemnities, etc   . . . . . . . . . . . . . . . . . . . . . . . . . .     78
     Section 8.05   Right of Setoff   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     80
     Section 8.06   Benefit of Agreement  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     81
     Section 8.07   Assignments and Participations.   . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     81
     Section 8.08   Governing Law; Submission to Jurisdiction; Etc  . . . . . . . . . . . . . . . . . . . . . .     83
     Section 8.09   Independent Nature of Lenders' Rights   . . . . . . . . . . . . . . . . . . . . . . . . . .     84
     Section 8.10   Invalidity  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     84
     Section 8.11   Survival of Agreements  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     84
     Section 8.12   Renewal, Extension or Rearrangement   . . . . . . . . . . . . . . . . . . . . . . . . . . .     84
     Section 8.13   Interest  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     84
     Section 8.14   Taxes, etc  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     85
     Section 8.15   Confidential Information.   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     85
     Section 8.16   ENTIRE AGREEMENT  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     86
     Section 8.17   Attachments   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     86
     Section 8.18   Counterparts  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     86
     Section 8.19   Survival of Indemnities   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     86
     Section 8.20   Headings Descriptive  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     86
     Section 8.21   Satisfaction Requirement  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     86
     Section 8.22   Effectiveness   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     86
     Section 8.23   Conflict with E&P Mortgage  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     86
     Section 8.24   EXCULPATION PROVISIONS  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     86
     Section 8.25   Proposed Restructuring  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .     87
</TABLE>


ANNEXES

Annex I - Commitments
Annex II - Eligible Inventory Valuation


SCHEDULES

Schedule 4.05 - Consents
Schedule 4.07 - Investment and Guaranties
Schedule 4.08 - Litigation
Schedule 4.10 - ERISA





                                      -v-
<PAGE>   7
Schedule 4.12 - Titles
Schedule 4.13 - Defaults
Schedule 4.20 - Insurance
Schedule 4.22 - Gas Imbalances
Schedule 5.04(a) - Existing Indebtedness
Schedule 5.04(b) - Liens
Schedule 5.04(k) - Negative Pledge Agreements


EXHIBITS

Exhibit A - Form of Revolving Note
Exhibit B - Form of Term Note
Exhibit C - Subsidiaries/Guarantors
Exhibit D - Form of Borrowing Request
Exhibit E-1 - Form of Opinion of Fulbright & Jaworski, L.L.P.
Exhibit E-2 - Form of Opinion of James C. Reed, Jr.
Exhibit E-3 - Form of Opinion of Groh, Eggers & Price
Exhibit F - Form of Assignment and Acceptance
Exhibit G - Form of Borrowing Base Report
Exhibit H - Form of Activation of Term Loan Commitment
Exhibit I - Form of Letter to Hydrocarbon Purchasers
Exhibit J - Description of E&P Restructuring





                                      -vi-
<PAGE>   8
   

                                                                  
    

                                CREDIT AGREEMENT


     THIS CREDIT AGREEMENT is made and entered into as of this 20th day of 
April, 1994, among TESORO PETROLEUM CORPORATION, a Delaware corporation (the
"Company"); TEXAS COMMERCE BANK NATIONAL ASSOCIATION, individually, as an
Issuing Bank and as Agent, BANQUE PARIBAS, individually, as an Issuing Bank and
as Co-Agent, and each of the lenders that is a signatory hereto or which
becomes a party hereto as provided in Section 8.07 (individually, a "Lender"
and, collectively, the "Lenders").


                                    RECITALS

     A.  The Company has previously entered into a Continuing Letter of Credit
Agreement, dated as of January 27, 1994, between the Company and the Banque
Paribas (the "BP Letter of Credit Agreement") pursuant to which Banque Paribas
issued certain Outstanding Letters of Credit (as hereinafter defined).

     B.  The Lenders have agreed to assume, upon the terms and subject to the
conditions stated herein, the obligations existing under the Outstanding
Letters of Credit.

     In consideration of the mutual covenants and agreements herein contained, 
the Company, the Agent, the Issuing Banks and the Lenders agree as follows:


                                   ARTICLE I

                           DEFINITIONS; CONSTRUCTION

     Section 1.01 Definitions.  As used herein, the following terms shall have 
the meanings herein specified (to be equally applicable to both the singular and
plural forms of the terms defined):

          "$2.16 Preferred Stock" shall mean the $2.16 Cumulative Convertible
     Preferred Stock of the Company.

          "$2.20 Preferred Stock" shall mean the $2.20 Cumulative Convertible
     Preferred Stock of the Company.

          "Account Borrowing Base Parties" shall mean Tesoro Alaska, PEDCO  and 
     Tesoro R&M, and "Account Borrowing Base Party" shall mean any one of them.

          "Advance Notice" shall mean written or telecopy notice (or telephonic 
     notice promptly confirmed in writing), which in each case shall be
     irrevocable, from the Company to be received by the Agent before 11:00 
     a.m. (Houston time), by the number of Business Days in advance of any 
     borrowing, conversion, continuation or prepayment of any Loan pursuant to 
     this Agreement as respectively indicated below:





<PAGE>   9
           (i)  Eurodollar Loans  - 3 Business Days; and

          (ii)  Base Rate Loans  - 1 Business Day.

      For the purpose of determining the respectively applicable Loan in the 
      case of the conversion from one type of Loan into another, the Loan into 
      which there is to be a conversion shall control.  The Agent, each Issuing 
      Bank and each Lender are entitled to rely upon and act upon telecopy 
      notice made or purportedly made by the Company, and the Company hereby 
      waives the right to dispute the authenticity and validity of any such 
      transaction once the Agent or any Lender has advanced funds or any 
      Issuing Bank has issued Letters of Credit, absent manifest error.

          "Affiliate" of any Person shall mean any other Person directly or 
      indirectly controlling, controlled by, or under common control with, such 
      Person, whether through the ownership of voting securities, by contract 
      or otherwise.
       
          "Agent" shall mean Texas Commerce Bank National Association, acting 
      in the manner and to the extent described in Article VII.

          "Aggregate Revolving Credit Exposure" shall mean the sum of each 
      Lender's Revolving Credit Exposure.

          "Agreement" shall mean this Credit Agreement, as amended, 
      supplemented or modified from time to time.

          "Alaska Deed of Trust" shall mean the Deed of Trust and Security 
      Agreement covering the Kenai Refinery executed by Tesoro Alaska in favor 
      of TransAlaska Title Insurance Agency, Inc., as trustee, as security for 
      the Lender Indebtedness, as the same may be amended, modified or 
      supplemented from time to time.

          "Applicable Margin" shall mean, on any day and with respect to any 
      Loan, the applicable per annum percentage set forth at the appropriate 
      intersection in the table shown below, based on the ratio of EBITDA to 
      Fixed Charges for the Rolling Period ending on the most recent Quarterly 
      Date with respect to which the Agent shall have received the financial 
      statements and other information (the "Current Information") required to 
      be delivered to the Agent pursuant to Section 5.02 hereof (said 
      calculation to be made by the Agent as soon as practicable after receipt 
      by the Agent of all required current information):





                                      -2-
<PAGE>   10
<TABLE>
<CAPTION>
         Ratio of EBITDA          Base Rate Loan                    Eurodollar Loan
         to Fixed Charges         Margin Percentage                 Margin Percentage
         ----------------------------------------------------------------------------------          
         <S>                               <C>                               <C>
         Greater than 4:1                  0.25%                             1.25%

         Less than or equal to
         4.:1 but greater than 3.5:1       0.50%                             1.50%

         Less than or equal to
         3.5:1 but greater than 3:1        0.75%                             1.75%

         Less than or equal to
         3:1 but greater than 2.5:1        1.00%                             2.00%

         Less than or equal to 2.5:1       1.25%                             2.25%
</TABLE>

         Each change in the Applicable Margin based on a change in the Current
         Information shall be effective as of the first day of the third month
         of each applicable calendar quarter (but based upon Current
         Information for the immediately preceding calendar quarter), or if
         such day is not a Business Day, then the first Business Day
         thereafter.  Notwithstanding the foregoing, during the period
         beginning on the Closing Date and ending on December 1, 1994, the
         Applicable Margin shall be (a) .75% for Base Rate Loans and (b) 1.75%
         for Eurodollar Loans.  The Applicable Margin beginning on December 1,
         1994 until redetermination thereof in accordance with the above terms
         shall be based on the ratio of EBITDA to Fixed Charges for the
         nine-month period ending on September 30, 1994.

                 "Application" shall mean an "Application and Agreement for
         Letters of Credit," or similar instruments or agreements, entered into
         between the Company and an Issuing Bank in connection with any Letter
         of Credit.

                 "Assignment and Acceptance" shall have the meaning assigned 
         such term in Section 8.07(b).

                 "BB Properties" shall mean at any time the Oil and Gas
         Properties and other assets of the Company or a Subsidiary of the
         Company evaluated by the Lenders and to which the Lenders gave loan
         value in determining the most recent E&P Loan Value.

                 "Bankruptcy Code" shall have the meaning provided in Section
         6.08.

                 "Base Rate" shall have the meaning provided in Section 2.06(a).

                 "Base Rate Loan" shall mean a Revolving Credit Loan or a Term
         Loan bearing interest at the rate provided in Section 2.06(a).

                 "Borrowing" shall mean a borrowing pursuant to a Borrowing
         Request or a continuation or a conversion pursuant to Section 2.11
         consisting, in each case, of the same Type of Loans





                                      -3-
<PAGE>   11
         having, in the case of Eurodollar Loans, the same Interest Period
         (except as otherwise provided in Sections 2.16 and 2.18) and made
         previously or being made concurrently by all of the Lenders.

                 "Borrowing Base" shall mean at any time the amount equal to
         the sum of (i) eighty percent (80%) of Eligible Accounts plus (ii)
         sixty percent (60%) of the Loan Value of Eligible Inventory; plus
         (iii) one hundred percent (100%) of the E&P Loan Value.

                 "Borrowing Base Report" shall mean the report of the Company
         concerning the amount of the Borrowing Base, to be delivered pursuant
         to Section 5.02(h), substantially in the form attached as Exhibit G.

                 "Borrowing Request" shall mean a request for a Borrowing
         pursuant to Section 2.02, substantially in the form attached as
         Exhibit D.

                 "BP" shall mean Banque Paribas, in its individual capacity or
         as an Issuing Bank, as the case may be and not as Co-Agent.

                 "BP Letter of Credit Agreement" shall have the meaning
         assigned to such term in the Recitals of this Agreement.

                 "Business Day" shall mean any day excluding Saturday, Sunday
         and any other day on which banks are required or authorized to close
         in New York, New York or Houston, Texas and, if the applicable
         Business Day relates to Eurodollar Loans, on which trading is carried
         on by and between banks in Dollar deposits in the applicable interbank
         Eurodollar market.

                 "Capital Expenditures" shall mean capital expenditures for
         capital or fixed assets, whether by way of acquisition or otherwise.

                 "Capital Lease Obligations" shall mean, as to any Person, the
         obligations of such person to pay rent or other amounts under a lease
         of (or other agreement conveying the right to use) real and/or
         personal property which obligations are required to be classified and
         accounted for as a liability for a capital lease on a balance sheet of
         such Person and, for purposes of this Agreement, the amount of such
         obligations shall be the capitalized amount thereof.

                 "Cash Flow" shall mean, as to any Person, the sum of the net
         income of such Person after taxes for any period plus, to the extent
         deducted from net income, all non-cash items, including, but not
         limited to, depreciation, depletion and impairment, amortization of
         leasehold and intangibles, deferred taxes and write-offs of
         exploration costs and producing lease abandonments and write-offs of
         original issue discount and deferred financing costs on existing
         Indebtedness that has been replaced by Indebtedness permitted by
         Section 5.04(a)(ii), in each case for such period and determined as to
         such Person.

                 "Change of Control" shall mean a change resulting when any
         Unrelated Person or any Unrelated Persons acting together which would
         constitute a Group together with any Affiliates thereof (in each case
         also constituting Unrelated Persons) shall at any time Beneficially
         Own more than 40% of the aggregate voting power of all classes of
         Voting Stock of the Company.  As used





                                      -4-
<PAGE>   12
         herein (a) "Beneficially Own" means "beneficially own" as defined in
         Rule 13d-3 of the Securities Exchange Act of 1934, as amended, or any
         successor provision thereto; provided, however, that, for purposes of
         this definition, a Person shall not be deemed to Beneficially Own
         securities tendered pursuant to a tender or exchange offer made by or
         on behalf of such Person or any of such Person's Affiliates until such
         tendered securities are accepted for purchase or exchange; (b) "Group"
         means a "group" for purposes of Section 13(d) of the Securities
         Exchange Act of 1934, as amended; (c) "Unrelated Person" means at any
         time any Person other than the Company or any Subsidiary and other
         than any trust for any employee benefit plan of the Company or any
         Subsidiary of the Company; and (d) "Voting Stock" of any Person shall
         mean capital stock of such Person which ordinarily has voting power
         for the election of directors (or persons performing similar
         functions) of such Person, whether at all times or only so long as no
         senior class of securities has such voting power by reason of any
         contingency.

                 "Closing Date" shall mean the as of date of this Agreement set
         forth in the first paragraph hereof.

                 "Co-Agent" shall mean Banque Paribas.

                 "Code" shall mean the Internal Revenue Code of 1986, as
         amended, and any successor statute.

                 "Commitment" shall mean, with respect to each Lender, the
         obligation of such Lender to make loans to the Company under Section
         2.01, up to the maximum amount set forth opposite such Lender's name
         on Annex I under the caption "Total Commitment."  Each Lender's
         Commitment is the sum of its Revolving Credit Commitment, its
         Unavailable Commitment and, if activated pursuant to Section 2.01(e),
         its Term Loan Commitment.

                 "Common Stock" shall mean the Common Stock, $.16 2/3 par value
         of the Company issued pursuant to the Recapitalization.

                 "Company" shall mean Tesoro Petroleum Corporation, a Delaware
         corporation.

                 "Consolidated Tangible Net Worth" shall mean, at any time and
         from time to time, the sum of preferred or common stock not subject to
         a mandatory redemption obligation (other than a mandatory redemption
         obligation that can be satisfied by the tendering of common stock of
         the Company) as of the date of determination, par value of common
         stock, additional paid-in capital of common stock, and retained
         earnings less treasury stock (if any), less good will, cost in excess
         of net assets acquired and all other assets as are properly classified
         as intangible assets, all as determined as to the Company and its
         Subsidiaries on a consolidated basis.

                 "Consolidated Working Capital Ratio" shall mean, at any time
         and from time to time, the ratio of (i) the sum of accounts receivable
         plus inventory to (ii) the sum of accounts payable plus current
         accrued liabilities, in each case as of the date of determination and
         for the Company and its Subsidiaries determined on a consolidated
         basis.

                 "Consolidating Statement Entities" shall mean, for the purpose
         of identifying the Persons or groups of Persons for whom consolidating
         financial statements shall be prepared, (a) the





                                      -5-
<PAGE>   13
         Company; the Account Borrowing Base Parties; Tesoro E&P; Tesoro Alaska
         Pipeline Company, a Delaware corporation; Tesoro Bolivia; Tesoro
         Northstore Company, an Alaskan corporation; Tesoro Natural Gas
         Company, a Delaware corporation; and any other Subsidiary of the
         Company designated from time to time by the Agent and (b) all of the
         consolidated Subsidiaries of the Company other than those specifically
         referred to in clause (a) above reported as a single consolidated
         group.

                 "Cover" for Letter of Credit Liabilities shall be effected by
         paying to the Agent in immediately available funds, to be held by the
         Agent in a collateral account maintained by the Agent at its Payment
         Office and collaterally assigned as security pursuant to the Cash
         Collateral Account Agreement dated as of the Closing Date between the
         Company and the Agent, an amount equal to the maximum amount of each
         applicable Letter of Credit available for drawing at any time.  Such
         amount shall be retained by the Agent in such collateral account until
         such time as the applicable Letter of Credit shall have expired and
         Reimbursement Obligations, if any, with respect thereto shall have
         been fully satisfied.

                 "Current Information" shall have the meaning provided in the 
         definition of "Applicable Margin."

                 "Default" shall mean an Event of Default or any condition or
         event which, with notice or lapse of time or both, would constitute an
         Event of Default.

                 "Developed" shall mean Proved Hydrocarbon reserves recoverable
         through existing wells.

                 "Documentary Letter of Credit" shall mean a letter of credit
         denominated in Dollars issued pursuant to this Credit Agreement (i)
         the terms of which are in the reasonable judgment of the Issuing Bank
         for such letter of credit, standard in the petroleum industry, and
         (ii) which supports payment or performance for a single identified
         purchase or exchange of crude oil, condensate and/or other petroleum
         products.

                 "Dollar" and the sign "$" shall mean lawful money of the
         United States of America.

                 "E&P Loan Value" shall mean the amount of Revolving Credit
         Loans that the Lenders shall determine, pursuant to Section 2.20, can
         be supported by the BB Properties.

                 "E&P Mortgage" shall mean the Mortgage, Deed of Trust,
         Assignment of Production, Security Agreement and Financing Statement
         dated as of the Closing Date granted by the Tesoro E&P, to Stephen H.
         Field, as trustee, granting a Lien on the Oil and Gas Properties of
         Tesoro E&P, as security for the indebtedness defined therein as
         "Indebtedness".

                 "E&P Restructuring" shall mean the restructuring of certain
         Subsidiaries of the Company and their assets in accordance with the
         transactions described on Exhibit J.

                 "EBITDA" shall mean, as to the Company and its Subsidiaries on
         a consolidated basis and, for each Rolling Period, the amount equal to
         net income of the Company and its Subsidiaries less any non-cash
         income included in net income, plus, to the extent deducted from net
         income, interest expense, depreciation, depletion and impairment,
         amortization of leasehold and





                                      -6-
<PAGE>   14
         intangibles, other non-cash expenses (including, but not limited to,
         write-offs of original issue discount and deferred financing costs on
         existing Indebtedness that has been replaced by Indebtedness permitted
         by Section 5.04(a)(ii) hereof), and taxes (excluding Bolivian taxes
         paid in kind), provided, that, gains or losses on the disposition of
         assets shall not be included in EBITDA.

                 "Effective Date" shall mean the date on which (i) each of the
         conditions precedent set forth in Article III have been satisfied or
         waived by each of the Lenders, (ii) the conditions to effectiveness
         set forth in Section 8.22 have been satisfied and (iii) the initial
         Loans have been made, the Outstanding Letters of Credit have been
         assumed, or the initial Letter of Credit has been issued.  Subject to
         Section 3.01, the Effective Date and Closing Date may be the same
         date.

                 "Eligible Account" shall mean at any time the net invoice or
         ledger amount owing on each account (which shall mean any "account" as
         such term is defined in Section 9-106 of the UCC and any "chattel
         paper" as such term is defined in Section 9-105(b) of the UCC) of any
         Account Borrowing Base Party (net of any credit balance, returns,
         trade discounts, or unbilled amounts or retention) for which each of
         the following statements is accurate and complete (and the Company by
         including such account in any computation of the Borrowing Base shall
         be deemed to represent and warrant to the Agent, the Issuing Banks and
         the Lenders the accuracy and completeness of such statements):

                          (a)     Said account is a binding and valid 
                 obligation of the obligor thereon in full force and effect;

                          (b)     Said account is genuine as appearing on its
                 face or as represented in the books and records of the
                 applicable Account Borrowing Base Party;

                          (c)     Said account is free from claims regarding
                 rescission, cancellation or avoidance, whether by operation of
                 law or otherwise;

                          (d)     Payment of said account is not more than 90
                 days past the invoice date thereof and is less than 60 days
                 past due;

                          (e)     Said account is net of concessions, offset
                 (excluding any accounts payable offset supported by a Letter
                 of Credit) or understandings with the obligor thereon of any
                 kind;

                          (f)     Said account is, and at all times will be,
                 free and clear of all Liens, except in favor of the Agent, and
                 the Agent has a first priority, perfected security interest in
                 such account;

                          (g)     Said account is derived from goods sold or
                 leased or services rendered to the obligor in the ordinary
                 course of the applicable Account Borrowing Base Party's
                 business (other than the sale of minerals or the like,
                 including oil and gas, at the wellhead or minehead);





                                      -7-
<PAGE>   15
                          (h)     Said account is not (i) carried on the books
                 of such Account Borrowing Base Party as an "exchange account
                 receivable" or (ii) subject to an exchange agreement with
                 another Person;

                          (i)     Said account is not payable by an obligor who
                 is more than 60 days past due with regard to 20% or more of
                 the total accounts owed by such obligor;

                          (j)     The account debtor has sent an invoice within
                 10 days after said account has been entered on the financial
                 records of the appropriate Account Borrowing Base Party;

                          (k)     All consents, licenses, approvals or
                 authorizations of, or registrations or declarations with, any
                 Governmental Authority required to be obtained, effected or
                 given in connection with the execution, delivery and
                 performance of said account by each party obligated thereunder
                 have been duly obtained, effected or given and are in full
                 force and effect;

                          (l)     The obligor on said account (i) is not the
                 subject of any bankruptcy or insolvency proceeding, has not
                 had a trustee or receiver appointed for all or a substantial
                 part of its property, has not made an assignment for the
                 benefit of creditors, admitted its inability to pay its debts
                 as they mature or suspended its business; and (ii) is not
                 affiliated, directly or indirectly, with the Company, as a
                 Subsidiary or other Affiliate, employee or otherwise;

                          (m)     The obligor on said account may be the United
                 States of America or any branch or agency thereof; provided
                 that no Default has occurred and is continuing and the Agent,
                 in its sole discretion, has determined that said account has
                 been properly assigned to the Agent pursuant to the Federal
                 Assignment of Claims Act;

                          (n)     The goods sold or leased or services rendered
                 resulting in the right to payment in connection with said
                 account were sold, leased or rendered in a state or territory
                 of the United States of America (excluding however, such goods
                 which are sold or leased for export outside of the United
                 States of America), which is payable in the United States of
                 America, and the obligor of which is subject to the
                 jurisdiction of federal or state courts in the United States
                 of America, unless said account is backed by a letter of
                 credit in form and substance, and issued by an issuer,
                 acceptable to the Agent;

                          (o)     If said account, when added to all other
                 accounts that are obligations of the same obligor, results in
                 a total sum that exceeds 10% of the total balance then due on
                 all of the applicable Account Borrowing Base Party's accounts,
                 the amount of said account in excess of 10% of such total
                 balance then due shall be excluded from Eligible Accounts;
                 provided, however, if the obligor of said account is Texaco
                 Inc., Exxon Corporation, Chevron U.S.A. Inc. or any wholly
                 owned Subsidiary of any one of them, or other obligors
                 approved for such purpose by the Agent in writing (with such
                 approval being reported to the Lenders), then said account
                 shall be included as an Eligible Account to the extent that
                 the total sum due to any of the obligors named above is less
                 than 15% of the total balance then due on all applicable
                 Account Borrowing Base Party's accounts,





                                      -8-
<PAGE>   16
                 and the amount of said account in excess of 15% of such total
                 balance then due shall be excluded from Eligible Accounts; and

                          (p)     Said account has not been otherwise
                 determined by the Agent, in its good faith discretion, to be
                 unacceptable in accordance with its customary practices for
                 facilities of this nature.

                 "Eligible Inventory" shall mean, at any time, all inventory
         (as such term is defined in Section 9-104(4) of the UCC) of the
         Inventory Borrowing Base Parties, including, without limitation, the
         In Transit Inventory and inventory in the Tesoro Terminals, for which
         each of the following statements is accurate and complete (and the
         Company by including such inventory in any computation of the
         Borrowing Base shall be deemed to represent and warrant to the Agent,
         each Issuing Bank and each Lender the accuracy and completeness of
         such statements):

                          (a)     Said inventory is, and at all times will be,
                 free and clear of all Liens (except for perfected Liens in
                 favor of the Agent and, in the case of In Transit Inventory
                 described in the definition of In Transit Inventory below,
                 Liens securing the payment of tariffs owed by Tesoro Alaska to
                 a common carrier transporting feedstocks or blendstocks
                 through the Trans-Alaska Pipeline System or the KPL Facility,
                 as defined below), and the Agent has a first priority,
                 perfected security interest in such inventory;

                          (b)     Said inventory does not include capitalized
                 goods which are part of inventory of any Inventory Borrowing
                 Base Party;

                          (c)     Said inventory is located in Alaska,
                 California or Washington, or to the extent that it qualifies
                 as In Transit Inventory, is located in the territorial waters
                 of Alaska, California, Oregon, Washington or British Columbia,
                 Canada (and not in international waters);

                          (d)     Said inventory is not stored at any terminal
                 other than a Tesoro Terminal; and

                          (e)     Other than inventory which qualifies as In
                 Transit Inventory, said inventory is not in transit to or from
                 the Kenai Refinery.

         For purposes of this definition, "In Transit Inventory" shall mean, at
         any time, feedstocks, blendstocks or refined products solely owned by
         an Inventory Borrowing Base Party that are in transit:

                          (a) to the Kenai Refinery (i) from Pump Station No. 1
                 on the Trans-Alaska Pipeline System, including feedstocks or
                 blendstocks in storage at the Valdez Terminal in Valdez,
                 Alaska, (ii) in a tanker or barge located within Alaska,
                 California, Washington or British Columbia, Canada or their
                 respective territorial waters (and not in international
                 waters) that has been time chartered by any Inventory
                 Borrowing Base Party, (iii) in or on any pipeline, terminal,
                 dock or storage tank of the Kenai Pipeline Company in the area
                 of Cook Inlet, Alaska (the "KPL Facility"), or (iv) in the
                 Cook Inlet Pipeline





                                      -9-
<PAGE>   17
                 Company System in the area of Cook Inlet, Alaska, including
                 feedstocks or blendstocks in storage at the Drift River
                 Terminal in Drift River, Alaska; or

                          (b) from the Kenai Refinery (i) in a tanker or barge
                 located within Alaska, California, Oregon, Washington or
                 British Columbia, Canada or their respective territorial
                 waters (and not in international waters) that has been time
                 chartered by any Inventory Borrowing Base Party, (ii) in the
                 Anchorage Pipeline owned by Tesoro Alaska Pipeline Company
                 (formerly known as the Nikiski Alaska Pipeline), or (iii) in
                 the KPL Facility (as defined in Clause (a) above).

                 "Eligible Transferee" shall mean any financial institution
         which is a Lender as of the Effective Date or which is a commercial
         bank, a financial institution or an "accredited investor" (as defined
         in Regulation D) which makes loans in the ordinary course of its
         business and that makes or acquires Loans for its own account in the
         ordinary course of its business and which has capital, surplus and
         undivided profits aggregating at least $250,000,000 (as of the date of
         its most recent financial statements).

                 "Environmental Laws" shall mean any and all laws, statutes,
         ordinances, rules, regulations, orders, or determinations of any
         Governmental Authority pertaining to health or the environment in
         effect in any and all jurisdictions in which the Company or its
         Subsidiaries are conducting or at any time have conducted business, or
         where any Property of the Company or its Subsidiaries is located, or
         where any hazardous substances generated by or disposed of by the
         Company or its Subsidiaries are located, including but not limited to
         the Oil Pollution Act of 1990 ("OPA"), the Clean Air Act, as amended,
         the Comprehensive Environmental, Response, Compensation, and Liability
         Act of 1980 ("CERCLA"), as amended, the Federal Water Pollution
         Control Act, as amended, the Occupational Safety and Health Act of
         1970, as amended, the Resource Conservation and Recovery Act of 1976
         ("RCRA"), as amended, the Safe Drinking Water Act, as amended, the
         Toxic Substances Control Act, as amended, the Superfund Amendments and
         Reauthorization Act of 1986, as amended, and other environmental
         conservation or protection laws.  The term "oil" shall have the
         meaning specified in OPA; the terms "hazardous substance," "release"
         and "threatened release" have the meanings specified in CERCLA, and
         the terms "solid waste" and "disposal" (or "disposed") have the
         meanings specified in RCRA; provided, however, in the event either
         CERCLA or RCRA is amended so as to broaden the meaning of any term
         defined thereby, such broader meaning shall apply subsequent to the
         effective date of such amendment, and provided, further, that, to the
         extent the laws of the state in which any Property of the Company or
         its Subsidiaries is located establish a meaning for "oil," "hazardous
         substance," "release," "solid waste" or "disposal" which is broader
         than that specified in either OPA, CERCLA or RCRA, such broader
         meaning shall apply.

                 "ERISA" shall mean the Employee Retirement Income Security Act
         of 1974, as amended, and any successor statute.

                 "ERISA Affiliate" shall mean each trade or business (whether
         or not incorporated) which together with the Company or a Subsidiary
         of the Company would be deemed to be a "single employer" within the
         meaning of Section 4001(b)(1) of ERISA or Subsections 414(b), (c), (m)
         or (o) of the Code.





                                      -10-
<PAGE>   18
                 "ERISA Termination Event" shall mean (i) a "Reportable Event"
         described in Section 4043 of ERISA and the regulations issued
         thereunder (other than a "Reportable Event" not subject to the
         provision for 30-day notice to the PBGC under Subsections .14, .18,
         .19 or .20 of Part 2615 of the PBGC regulations), (ii) the withdrawal
         of the Company, a Subsidiary of the Company or any ERISA Affiliate
         from a Plan during a plan year in which it was a "substantial
         employer" as defined in Section 4001(a)(2) of ERISA, (iii) the filing
         of a notice of intent to terminate a Plan or the treatment of a Plan
         amendment as a termination under Section 4041 of ERISA, (iv) the
         institution of proceedings to terminate a Plan by the PBGC, or (v) any
         other event or condition which might constitute grounds under Section
         4042 of ERISA for the termination of, or the appointment of a trustee
         to administer, any Plan.

                 "Eurodollar Loan" shall mean a Revolving Credit Loan or a Term
         Loan bearing interest at the rate provided in Subsection 2.06(b).

                 "Eurodollar Rate" shall mean the offered quotation, if any, to
         first-class banks in the Eurodollar market by the Agent for Dollar
         deposits of amounts in funds comparable to the principal amount of the
         Eurodollar Loan to which such Eurodollar Rate is to be applicable with
         maturities comparable to the Interest Period for which such Eurodollar
         Rate will apply as of approximately 10:00 a.m.  (Houston time) two
         Business Days prior to the commencement of such Interest Period.

                 "Event of Default" shall have the meaning provided in Article
         VI.

                 "Excess Cash Flow" shall mean (a) Cash Flow of Tesoro Alaska
         for any calendar year, minus (b) regularly scheduled payments of
         principal and interest, to the extent not previously deducted from net
         income of Tesoro Alaska, on the outstanding Term Loans for any
         calendar year, minus (c) capital expenditures of Tesoro Alaska
         (excluding capital expenditures for the addition of the Vacuum Unit)
         during such calendar year, minus (d) $10,000,000.

                 "Exchange Notes" shall mean the 13% Exchange Notes due
         December 1, 2000, issued by the Company.

                 "Federal Funds Rate" shall mean, for any period, a fluctuating
         interest rate per annum equal for each day during such period to the
         weighted average of the rates on overnight Federal funds transactions
         with members of the Federal Reserve System arranged by Federal funds
         brokers, as published for such day (or, if such day is not a Business
         Day, for the next preceding Business Day) by the Federal Reserve Bank
         of New York, or, if such rate is not so published for any day which is
         a Business Day, the average of the quotations for such day on such
         transactions received by the Agent from three Federal funds brokers of
         recognized standing selected by it.

                 "Financial Statements" shall mean the consolidated financial
         statements of the Company and its Subsidiaries described or referred
         to in Section 4.06.

                 "Financing Documents" shall mean this Agreement, the Notes,
         the Guaranty Agreement, the Security Instruments, the Applications,
         the Letters of Credit, Borrowing Requests, Borrowing Base Reports, and
         the other documents, instruments or agreements described in Subsection
         3.02(d), together with any other document, instrument or agreement
         (other than participation,





                                      -11-
<PAGE>   19
         agency or similar agreements among the Lenders or between any Lender
         and any other bank or creditor with respect to any indebtedness or
         obligations of the Company hereunder) now or hereafter entered into in
         connection with the Loans, the Indebtedness or the Mortgaged
         Properties, as such documents, instruments or agreements may be
         amended, modified or supplemented from time to time.

                 "Fixed Charges" shall mean, as to the Company and its
         Subsidiaries on a consolidated basis and for each Rolling Period, the
         sum of scheduled debt payments, plus cash interest expense, plus cash
         dividends.

                 "Form 1001 Certification" shall have the meaning provided in
         Section 2.21(f).

                 "Form 4224 Certification" shall have the meaning provided in
         Section 2.21(f).

                 "Funded Indebtedness" shall mean all Indebtedness for borrowed
         money, any Capital Lease Obligations and any guaranty with respect to
         Funded Indebtedness of another Person.

                 "GAAP" shall mean generally accepted accounting principles as
         applied in accordance with Section 1.02.

                 "Governmental Authority" shall mean any (domestic or foreign)
         federal, state, province, county, city, municipal or other political
         subdivision or government, department, commission, board, bureau,
         court, agency or any other instrumentality of any of them, which
         exercises jurisdiction over the Company or any of its Property or any
         Subsidiary of the Company or any of such Subsidiary's Property.

                 "Governmental Requirement" shall mean any law, statute, code,
         ordinance, order, rule, regulation, judgment, decree, injunction,
         franchise, permit, certificate, license, authorization or other
         direction or requirement (including but not limited to any of the
         foregoing which relate to Environmental Laws, energy regulations and
         occupational, safety and health standards or controls) of any
         Governmental Authority.

                 "Guaranty Agreement" shall mean the Guaranty Agreement dated
         as of the Closing Date executed by the Guarantors.

                 "Guarantors" shall mean those Subsidiaries designated as
         Guarantors on Exhibit C and any other Subsidiary of the Company, other
         than a Non-Guarantor Subsidiary, designated as a Guarantor by (i) the
         Company with the approval of the Agent or (ii) the Majority Lenders,
         in each case pursuant to Section 5.01(k).

                 "Hedge Agreement" shall mean (i) any Hydrocarbon Swap
         Agreement or (ii) any Interest Rate Swap Agreement.

                 "Highest Lawful Rate" shall mean, with respect to each Lender,
         the maximum nonusurious interest rate, if any, that at any time or
         from time to time may be contracted for, taken, reserved, charged or
         received on the Notes or on other Lender Indebtedness, as the case may
         be, owed to it under the law of any jurisdiction whose laws may be
         mandatorily applicable





                                      -12-
<PAGE>   20
         to such Lender notwithstanding other provisions of this Agreement, or
         law of the United States of America applicable to such Lender and the
         Transactions which would permit such Lender to contract for, charge,
         take, reserve or receive a greater amount of interest than under such
         jurisdiction's law.

                 "Hydrocarbon Interests" shall mean all rights, titles,
         leasehold and other interests and estates in and to oil and gas
         leases, oil, gas and mineral leases, or other liquid or gaseous
         hydrocarbon leases, mineral fee interests, overriding royalty and
         royalty interests, net profit interests and production payment
         interests, including any reserve or residual interest of whatever
         nature.

                 "Hydrocarbon Swap Agreement" shall mean any contract for sale
         for future delivery of Hydrocarbons (whether or not the subject
         Hydrocarbons are to be delivered), hedging contract, forward contract,
         swap agreement, futures contract or other hydrocarbon pricing
         protection agreement or option with respect to any such transaction,
         designed to hedge against fluctuations in Hydrocarbon prices.

                 "Hydrocarbons" shall mean oil, gas, casinghead gas,
         condensate, distillate, liquid hydrocarbons, gaseous hydrocarbons and
         all products refined therefrom.

                 "Improvements" shall mean all improvements owned by Tesoro
         Alaska now or hereafter attached to or placed, erected, constructed or
         developed on the Refinery Premises (excluding the Property leased
         pursuant to the Solar Turbine Lease).

                 "Indebtedness" of any Person shall mean:

                          (i)     all obligations of such Person which, in
                 accordance with GAAP, are or should be shown on the balance
                 sheet of such Person as a liability (including, but not
                 limited to, obligations for borrowed money and for the
                 deferred purchase price of property or services, and
                 obligations evidenced by bonds, debentures, notes or other
                 similar instruments);

                          (ii)    all Capital Lease Obligations;

                          (iii)   all guaranties (direct or indirect), all
                 contingent reimbursement obligations under undrawn letters of
                 credit and other contingent obligations of such Person in
                 respect of, or obligations to purchase or otherwise acquire or
                 to assure payment of, Indebtedness of others;

                          (iv)    Indebtedness of others secured by any Lien 
                  upon Property owned by such Person, whether or not assumed; 
                  and

                          (v)     obligations of such Person under agreements
                  of the types described in the definitions of Hydrocarbon Swap
                  Agreement and Interest Rate Swap Agreement.

                 "Interest Period" shall mean, with respect to each Borrowing
         of Eurodollar Loans, an interest period complying with the terms and
         provisions of Section 2.07.





                                      -13-
<PAGE>   21
                 "Interest Rate Swap Agreement" shall mean any rate swap, rate
         cap, rate floor, rate collar, forward rate agreement or other rate
         protection agreement or option with respect to any such transaction,
         designed to hedge against fluctuations in interest rates.

                 "Inventory Borrowing Base Parties" shall mean Tesoro Alaska
         and Tesoro R&M, and "Inventory Borrowing Base Party" shall mean any
         one of them.

                 "Issuing Bank" shall mean, for each Letter of Credit, TCB or
         BP as the issuing bank for such Letter of Credit at the option of the
         Company.

                 "Kenai Refinery" shall mean the refinery of Tesoro Alaska
         located in the area of Kenai, Alaska, consisting of the Refinery
         Premises and the Kenai Refinery Related Property.

                 "Kenai Refinery Related Property" shall mean (i) all
         Improvements; (ii) all Refinery Personal Property; (iii) all water and
         water rights pertaining to the Refinery Premises; (iv) all building
         materials and equipment now or hereafter delivered to and intended to
         be installed in or on the Refinery Premises or on the Improvements;
         (v) all plans and specifications for the Improvements; (vi) all rights
         of Tesoro Alaska (but not its obligations) under any contracts
         relating to the Refinery Premises, the Improvements or the Refinery
         Personal Property, including without limitation, the Solar Turbine
         Lease, but excluding contract rights under contracts containing
         prohibitions against assignment of or the granting of a security
         interest in the rights of a party thereunder; (vii) all rights of
         Tesoro Alaska (but not its obligations) under any accounts,
         construction contracts, architectural agreements and general
         intangibles, other than contract rights under contracts containing
         prohibitions against assignment of or the granting of a security
         interest in the rights of a party thereunder, (but excluding
         trademarks, trade names and symbols) arising from or by virtue of any
         transactions related to the Refinery Premises, Improvements or
         Refinery Personal Property; (viii) all permits, licenses, franchises,
         certificates, and other rights and privileges obtained in connection
         with the Refinery Premises, the Improvements and the Refinery Personal
         Property; (ix) all proceeds arising from or by virtue of the sale,
         lease or other disposition of the Refinery Premises, the Improvements
         or the Refinery Personal Property; (x) all proceeds of each policy of
         insurance relating to the Refinery Premises, the Improvements or the
         Refinery Personal Property; (xi) all proceeds from the taking of any
         of the Refinery Premises, the Improvements, the Refinery Personal
         Property or any rights appurtenant thereto by right of eminent domain
         or by private or other purchase in lieu thereof, including change of
         grade of streets, curb cuts or other rights of access, for any public
         or quasi-public use under any Governmental Requirement; (xii) all
         right, title and interest of Tesoro Alaska in and to all streets,
         roads, public places, easements and rights-of-way, existing or
         proposed, public or private, adjacent to or used in connection with,
         belonging or pertaining to the Refinery Premises; (xiii) all of the
         leases, rents, royalties, bonuses, issues, profits, revenues or other
         benefits of the Refinery Premises, the Improvements or the Refinery
         Personal Property, including without limitation, cash or securities
         deposited pursuant to leases to secure performance by the lessees of
         their obligations thereunder; (xiv) all consumer goods located in, on
         or about the Refinery Premises or the Improvements or used in
         connection with the use or operation thereof; (xv) all rights,
         hereditaments and appurtances pertaining to the foregoing; and (xvi)
         all other interests of every kind and character that Tesoro Alaska now
         has or at any time hereafter acquires in and to the Refinery Premises,
         Improvements and Refinery Personal Property described herein and all
         Property that is used or useful in connection therewith, including,





                                      -14-
<PAGE>   22
         without limitation, rights of ingress and egress and all reversionary
         rights or interests of Tesoro Alaska with respect to such Refinery
         Premises, Improvements or Refinery Personal Property.

                 "Lender Indebtedness" shall mean any and all amounts owing or
         to be owing by the Company to the Agent, the Issuing Banks or the
         Lenders with respect to or in connection with the Loans, any Letter of
         Credit Liabilities, the Notes, this Agreement, or any other Financing
         Document.

                 "Lender" shall have the meaning assigned such term in the
         opening paragraph of this Agreement.

                 "Lending Office" shall mean for each Lender the office
         specified opposite such Lender's name on the signature pages hereof,
         or in the Assignment and Acceptance pursuant to which it became a
         Lender, with respect to each Type of Loan, or such other office as
         such Lender may designate in writing from time to time to the Company
         and the Agent with respect to such Type of Loan.

                 "Letters of Credit" shall have the meaning assigned such term
         in Section 2.03(a) and shall include the Outstanding Letters of Credit
         which are hereby deemed to be issued under this Agreement.

                 "Letter of Credit Liabilities" shall mean, at any time and in
         respect of any Letter of Credit, the sum of (i) the amount available
         for drawings under such Letter of Credit as of the date of
         determination plus (ii) the aggregate unpaid amount of all
         Reimbursement Obligations due and payable as of the date of
         determination in respect of previous drawings made under such Letter
         of Credit.

                 "Lien" shall mean any interest in Property securing an
         obligation owed to, or a claim by, a Person other than the owner of
         the Property, whether such interest is based on the common law,
         statute or contract, and including but not limited to the lien or
         security interest arising from a mortgage, encumbrance, pledge,
         security agreement, conditional sale or trust receipt or a lease,
         consignment or bailment for security purposes.  The term "Lien" shall
         include reservations, exceptions, encroachments, easements, rights of
         way, covenants, conditions, restrictions, leases and other title
         exceptions and encumbrances affecting Property.  For the purposes of
         this Agreement, the Company or any Subsidiary of the Company shall be
         deemed to be the owner of any Property which it has acquired or holds
         subject to a conditional sale agreement, financing lease or other
         arrangement pursuant to which title to the Property has been retained
         by or vested in some other Person for security purposes.

                 "Loan" shall mean a Revolving Credit Loan or a Term Loan, and
         "Loans" shall mean collectively the Revolving Credit Loans or Term
         Loans or one or more of them as provided herein.

                 "Loan Parties" shall mean the Company and the Guarantors and
         "Loan Party" shall mean any one of them.

                 "Loan Value of Eligible Inventory" shall mean, at a particular
         date, an amount equal to the Eligible Inventory at such date, valued
         at current market as described on Annex II of the





                                      -15-
<PAGE>   23
         Credit Agreement or valued at current market as may otherwise be
         mutually agreed upon from time to time between the Company and the
         Agent.

                 "Majority Lenders" shall mean at any time (a) prior to the
         Commitments expiring or being terminated in full, Lenders holding at
         least 66-2/3% of the Commitments in effect at such time, or (b)
         thereafter, Lenders holding at least 66-2/3% of the sum of (i) the
         then Aggregate Revolving Credit Exposure, plus (ii) the then unpaid
         principal amount of the Term Loans at such time.

                 "Margin Stock" shall have the meaning provided in Regulation U
         and Regulation X.

                 "Material Adverse Effect" shall mean any material and adverse
         effect on the business, financial condition, results of operations or
         prospects of the Company and its Subsidiaries taken as a whole.

                 "Maximum Available Amount" shall mean, at any date, an amount
         equal to the lesser of (a) the aggregate Revolving Credit Commitments
         as of such date and (b) the Borrowing Base as of such date.

                 "Maximum Revolving Credit Loan Available Amount" shall mean,
         at any date, an amount equal to the lesser of (a) the difference
         between (i) Maximum Available Amount as of such date and (ii) the
         aggregate amount of all Letter of Credit Liabilities as of such date
         and (b) the E&P Loan Value as of such date.

                 "MetLife Louisiana" shall mean MetLife Security Insurance
         Company of Louisiana.

                 "MetLife Option" shall mean the option to purchase granted by
         MetLife Louisiana to the Company pursuant to which the Company shall
         have the option to purchase all shares of the $2.20 Preferred Stock
         and the Common Stock held by MetLife Louisiana.

                 "Mortgaged Property" shall mean the Company's and the
         Guarantors' Properties described in and subject to the Liens,
         privileges, priorities and security interests existing and to exist
         under the terms of the Security Instruments, including but not limited
         to the Kenai Refinery and the Oil and Gas Properties owned by the
         Company or the Guarantors which have been or are hereafter mortgaged
         to the Agent for the benefit of the Lenders pursuant to the Security
         Instruments.

                 "Non-Guarantor Subsidiary" shall mean a Subsidiary of the
         Company that is not a Guarantor and that has been designated by the
         Company to the Agent as a "Non-Guarantor Subsidiary;" provided, the
         aggregate amount invested after the Closing Date directly or
         indirectly by the Company in such Subsidiaries shall not exceed
         $1,000,000.

                 "Notes" shall mean the Revolving Credit Notes and the Term
         Notes.

                 "Oil and Gas Properties" shall mean Hydrocarbon Interests; the
         properties now or hereafter pooled or unitized with Hydrocarbon
         Interests; all presently existing or future unitization, pooling
         agreements and declarations of pooled units and the units created
         thereby (including, but not limited to, units created under orders,
         regulations and rules of any





                                      -16-
<PAGE>   24
         Governmental Authority having jurisdiction) which may affect all or
         any portion of the Hydrocarbon Interests; all operating agreements,
         contracts and other agreements which relate to any of the Hydrocarbon
         Interests or the production, sale, purchase, exchange or processing of
         Hydrocarbons from or attributable to such Hydrocarbon Interests; all
         Hydrocarbons in and under and which may be produced and saved or
         attributable to the Hydrocarbon Interests, the lands covered thereby
         and all oil in tanks and all rents, issues, profits, proceeds,
         products, revenues and other incomes from or attributable to the
         Hydrocarbon Interests; all tenements, hereditaments, appurtenances and
         Properties in anywise appertaining, belonging, affixed or incidental
         to the Hydrocarbon Interests, Properties, rights, titles, interests
         and estates described or referred to above, including any and all
         Property, real or personal, now owned or hereafter acquired and
         situated upon, used, held for use or useful in connection with the
         operating, working or development of any of such Hydrocarbon Interests
         or Property (excluding drilling rigs, automotive equipment or other
         personal property which may be on such premises for the purpose of
         drilling a well or for other similar temporary uses) and including any
         and all oil wells, gas wells, injection wells or other wells,
         buildings, structures, fuel separators, liquid extraction plants,
         plant compressors, pumps, pumping units, field gathering systems,
         tanks and tank batteries, fixtures, valves, fittings, machinery and
         parts, engines, boilers, meters, apparatus, equipment, appliances,
         tools, implements, cables, wires, towers, casing, tubing and rods,
         surface leases, rights-of-way, easements and servitudes together with
         all additions, substitutions, replacements, accessions and attachments
         to any and all of the foregoing.

                 "Other Taxes" shall have the meaning provided in Subsection
         2.21(b).

                 "Outstanding Letters of Credit" shall mean the following
         letters of credit issued by BP under the BP Letter of Credit
         Agreement:


<TABLE>
<CAPTION>
         LC #      Loan Party    Stated Amount               Expiry          Beneficiary
         ----      ----------    -------------               ------          -----------
         <S>     <C>              <C>                       <C>             <C>
         023214  Tesoro Alaska    $5,940,000                10/31/94         Union Oil Company of California
         023215  Tesoro Alaska    $1,107,700                10/31/94         Conoco, Inc.
         024511  Tesoro Alaska    $  700,000                10/31/94         Exxon Pipeline Company
         024512  Tesoro Bolivia   $2,000,000                10/14/94         Banco De La Union S.A.
         024515  Tesoro Bolivia   $2,000,000                05/12/95         Banco De La Union S.A.
         023248  The Company      $  854,250                09/30/94         National Union Fire Insurance Company (automatically
                                                                             renewable)
         024513  The Company      $1,000,000                09/30/94         Fireman's Insurance Company (automatically renewable)
</TABLE>





                                      -17-
<PAGE>   25
<TABLE>
         <S>     <C>                       <C>                      <C>              <C>
         024509  Tesoro Petroleum          $1,045,000               06/30/94         Conoco, Inc.
                 Distributing
                 Company
</TABLE>

                 "Payment Office" shall mean the Agent's office located at 712
         Main Street, Houston, Texas, 77002; Attention:  Mr. P. Stan Burge.

                 "PBGC" shall mean the Pension Benefit Guaranty Corporation, or
         any successor thereto.

                 "PEDCO" shall mean Tesoro Petroleum Distributing Company, a
         Louisiana corporation.

                 "Percentage Share" shall mean, as to any Lender, the fraction,
         expressed as a percentage, the numerator of which is the amount of
         such Lender's Revolving Credit Commitment and the denominator of which
         is the amount of the aggregate Revolving Credit Commitments.

                 "Permitted Dividends" shall mean those dividends that the
         Company is permitted to declare and pay pursuant to Section 5.04(d).

                 "Person" shall mean any individual, partnership, firm,
         corporation (including, but not limited to the Company), association,
         joint venture, trust or other entity, or any government or political
         subdivision or agency, department or instrumentality thereof;
         provided,however, for the purpose of the definition of "Change of
         Control," "Person" shall mean a "person" or group of persons within
         the meaning of Sections 13(d) and 14(d) of the Securities Exchange Act
         of 1934, as amended.

                 "Plan" shall mean any employee pension benefit plan, as
         defined in Section 3(2) of ERISA, which (i) is currently or hereafter
         sponsored, maintained or contributed to by the Company, a Subsidiary
         or an ERISA Affiliate, or (ii) was at any time during the six calendar
         years preceding the date of this Agreement sponsored, maintained or
         contributed to by the Company, a Subsidiary or an ERISA Affiliate.

                 "Prime Rate" shall mean the rate which the Agent announces
         from time to time as its prime rate, and is thereafter entered in the
         minutes of the Agent's Loan and Discount Committee.  Without notice to
         the Company or any other Person, the Prime Rate shall change
         automatically from time to time as and in the amount by which such
         prime rate shall fluctuate.  The Prime Rate is a reference rate and
         does not necessarily represent the lowest or best rate actually
         charged to any customer.  The Agent may make commercial loans or other
         loans at rates of interest at, above or below the Prime Rate.

                 "Property" shall mean any interest in any kind of property or
         asset, whether real, personal or mixed, or tangible or intangible.

                 "Proved" shall mean Hydrocarbon reserves which geological and
         engineering data demonstrate with reasonable certainty to be
         economically recoverable in future years with present operating
         methods and expenses.

                 "Proved Undeveloped Hydrocarbon Reserves" shall mean Proved
         Hydrocarbon reserves which are not Developed.





                                      -18-
<PAGE>   26
                 "Quarterly Dates" shall mean the last day of each March, June,
         September, and December, in each year, the first of which shall be
         June 30, 1994; provided, however, that if any such day is not a
         Business Day, such Quarterly Date shall be the next succeeding
         Business Day.

                 "Recapitalization" shall mean the consummation of (a) the
         exchange of a minimum of $44,116,000 of Subordinated Debentures for
         Exchange Notes, (b) the reclassification of the $2.16 Preferred Stock
         into an aggregate of approximately 6,465,859 shares of Common Stock,
         (c) an agreement with MetLife Louisiana, the sole holder of the $2.20
         Preferred Stock pursuant to which it will agree to waive certain put
         options and mandatory redemption requirements existing in connection
         with the $2.20 Preferred Stock and make certain other concessions and
         waivers with regard to the $2.20 Preferred Stock and will grant to the
         Company the MetLife Option, and (d) amendments to the Company's
         Certificate of Incorporation to provide for the above described
         transactions, all as more particularly described in that certain Proxy
         Statement, Prospectus and Consent Solicitation of the Company dated
         January 3, 1994.

                 "Refinery Personal Property" shall mean all equipment,
         fixtures, furnishings, inventory and articles of personal property of
         Tesoro Alaska (excluding from the foregoing the Property leased
         pursuant to the Solar Turbine Lease) now or hereafter attached to or
         used in or about the Improvements or that are necessary or useful for
         the complete and comfortable use and occupancy of the Improvements for
         the purposes for which they were or are to be attached, placed,
         erected, constructed or developed, or which are or may be used in or
         related to the planning, development, financing or operation of the
         Improvements, and all renewals of or replacements or substitutions for
         any of the foregoing, whether or not the same are or shall be attached
         to the Refinery Premises or the Improvements.

                 "Refinery Premises" shall mean the real property owned by
         Tesoro Alaska described on Exhibit A attached to the Alaska Deed of
         Trust.

                 "Register" shall mean the register maintained by the Agent at
         its Payment Office showing the name and address of each Lender, its
         Commitment, and the principal amount of the Loans owing to each Lender
         from time to time.

                 "Regulation D", "Regulation U" and "Regulation X" shall mean
         Regulation D, Regulation U, and Regulation X, respectively, of the
         Board of Governors of the Federal Reserve System as from time to time
         in effect and any successor thereto.

                 "Reimbursement Obligations" shall mean, at any date, the
         obligations of the Company then outstanding in respect of the Letters
         of Credit, to reimburse the Agent for the account of the Issuing Bank
         for the amount paid by the Issuing Bank in respect of any drawings
         under the Letters of Credit.

                 "Reserve Report" shall mean an engineering report meeting the
         requirements set forth in Subsection 5.02(e) (and as to scheduled
         redeterminations, provided on the dates set forth in such Subsection)
         and such other reports, data and supplemental information as may from
         time to time be reasonably requested by the Agent in connection with
         any redetermination of the E&P Loan Value.





                                      -19-
<PAGE>   27
                 "Responsible Officer" shall mean the Chief Executive Officer,
         the Chief Financial Officer, the Treasurer or the Controller, in each
         case of the Company.

                 "Revolving Credit Commitment" shall have the meaning assigned
         such term in Subsection 2.01(c).

                 "Revolving Credit Exposure" shall mean, at any time and as to
         each Lender, the sum of (a) the aggregate principal amount of the
         Revolving Credit Loans made by such Lender as of such date plus (b)
         such Lender's Percentage Share of the aggregate amount of all Letter
         of Credit Liabilities as of such date.

                 "Revolving Credit Loan" shall have the meaning provided in
         Subsection 2.01(a)(ii); the Revolving Credit Loans shall not include
         any Letter of Credit Liabilities.

                 "Revolving Credit Maturity Date" shall mean April 1, 1997.

                 "Revolving Credit Note" shall mean a promissory note of the
         Company described in Section 2.05(a) payable to any Lender and being
         substantially in the form of Exhibit A, evidencing the aggregate
         Indebtedness of the Company to such Lender resulting from Revolving
         Credit Loans made by such Lender.

                 "Rolling Period" shall mean for each calendar quarter, such
         quarter and the three preceding calendar quarters.

                 "Security Instruments" shall mean the agreements or
         instruments described or referred to in Subsections 3.02(d)(iii)
         through (vii) and any and all other agreements or instruments now or
         hereafter executed and delivered by the Company, any Subsidiary of the
         Company or any other Person as security for the payment or performance
         of the Lender Indebtedness.

                 "Solar Turbine Lease" shall mean that certain Lease Agreement
         dated as of October 1, 1987, from Solar Turbines Incorporated, as
         lessor, to the Company, as lessee.

                 "Standby Letter of Credit" shall mean a letter of credit
         denominated in Dollars (i) the terms of which are in the reasonable
         judgment of the Issuing Bank for such Letter of Credit standard in the
         petroleum industry, (ii) which is used in lieu or in support of
         performance guarantees or performance, surety or other similar bonds
         (but expressly excluding stay and appeal bonds) arising in the
         ordinary course of business, (iii) which is used in lieu or in support
         of stay or appeal bonds; provided all such letters of credit used in
         lieu or in support of stay or appeal bonds shall not exceed
         $10,000,000 in aggregate amount at any time outstanding, (iv) which
         supports the payment of insurance premiums for reasonably necessary
         casualty insurance carried by the Company or any of its consolidated
         Subsidiaries, or (v) which supports payment or performance for
         identified purchases or exchanges of crude oil, condensate and/or
         petroleum products.

                 "Subordinated Debentures" shall mean the 12 3/4% Subordinated
         Debentures due March 15, 2001, issued by the Company.





                                      -20-
<PAGE>   28
                 "Subsidiary" of any Person shall mean (a) a corporation of
         which a majority of the outstanding shares of stock of each class
         having ordinary voting power is owned by such Person, by one or more
         Subsidiaries of such Person, or by such Person and one or more of its
         Subsidiaries and (b) Tesoro LP.

                 "Taxes" shall have the meaning provided in Subsection 2.21(a).

                 "TCB" shall mean Texas Commerce Bank National Association, in
         its individual capacity or as an Issuing Bank, as the case may be, and
         not as Agent.

                 "Term Loan" shall have the meaning provided in Subsection
         2.01(a)(i).

                 "Term Loan Commitment" shall have the meaning assigned such
         term in Subsection 2.01(d)

                 "Term Loan Drawdown Termination Date" shall mean March 31,
         1995, unless extended to a later date pursuant to Subsection 2.05(b).

                 "Term Loan Maturity Date" shall mean March 31, 1998.

                 "Term Note" shall mean a promissory note of the Company
         described in Section 2.05(b) payable to any Lender and being
         substantially in the form of Exhibit B, evidencing the aggregate
         indebtedness of the Company to such Lender resulting from Term Loans
         made by such Lender.

                 "Tesoro Alaska" shall mean Tesoro Alaska Petroleum Company, a
         Delaware corporation.

                 "Tesoro Bolivia" shall mean Tesoro Bolivia Petroleum Company,
         a Texas corporation.

                 "Tesoro E&P" shall mean (a) Tesoro Exploration and Production
         Company, a Delaware corporation and, (b) at all times after the
         consummation of the E&P Restructuring, Tesoro Exploration and
         Production Company, Tesoro LP and Tesoro Gas Resources Company, Inc.,
         a Delaware corporation, as a single consolidated group.

                 "Tesoro Environmental" shall mean Tesoro Environmental
         Resources Company, a Delaware corporation.

                 "Tesoro LP" shall mean Tesoro E&P Company, L.P., a Delaware
         limited partnership.

                 "Tesoro R&M" shall mean Tesoro Refining, Marketing & Supply
         Company, a Delaware corporation.

                 "Tesoro Terminals" shall mean the Vancouver Terminal located
         in the area of Vancouver, Washington, the Sacramento Terminal located
         in the area of Sacramento, California, the Stockton Terminal located
         in the area of Stockton, California, the Port Hueneme Terminal located
         in the area of Port Hueneme, California and such other terminals which
         Tesoro Alaska or any other Inventory Borrowing Base Party owns or has
         possession of pursuant to a long-term lease.





                                      -21-
<PAGE>   29
                 "Transactions" shall mean the transactions provided for in and
         contemplated by this Agreement and the other Financing Documents.

                 "Type" of Loan shall mean a Base Rate Loan or Eurodollar Loan.

                 "UCC" shall mean the Uniform Commercial Code as from time to
         time in effect in the State of Texas or, where applicable as to
         specific Mortgaged Property, any other relevant state.

                 "Unavailable Commitment" shall mean, for each Lender, the
         amount set forth opposite such Lender's name on Annex I under the
         caption "Unavailable Commitment" (as the same may be reduced pursuant
         to Section 2.01(f) or Section 2.09 or otherwise from time to time
         modified pursuant to Section 8.07(b) hereof) and "Unavailable
         Commitments" shall mean the aggregate amount, collectively for all
         Lenders, of each such Lender's Unavailable Commitment.

                 "Vacuum Unit" shall mean the vacuum fractionation tower
         operating at near absolute vacuum and related hydraulic, heat exchange
         and process control systems.

         Section 1.02     Accounting Terms and Determinations.  Unless
otherwise defined or specified herein, all accounting terms shall be construed
herein, all accounting determinations hereunder shall be made, all financial
statements required to be delivered hereunder shall be prepared and all
financial records shall be maintained in accordance with GAAP applied on a
basis consistent with the financial statements referred to in Subsection
4.06(a).

         Section 1.03     Other Definitional Terms.  The words "hereof,"
"herein" and "hereunder" and words of similar import when used in this
Agreement shall refer to this Agreement as a whole and not to any particular
provision of this Agreement, and article, section, schedule, exhibit and like
references are to this Agreement unless otherwise specified.


                                   ARTICLE II

                           AMOUNT AND TERMS OF LOANS

         Section 2.01     Commitments.

                 (a)      Loans.  Subject to and upon the terms and conditions
         herein set forth, each Lender severally agrees (i) to make, on any
         Business Day prior to the Term Loan Drawdown Termination Date, term
         loans (each a "Term Loan") to the Company; and (ii) on any Business
         Day prior to the Revolving Credit Maturity Date, to make Revolving
         Credit Loans (each a "Revolving Credit Loan") to the Company.

                 (b)      Types of Loans.  The Revolving Credit Loans and the
         Term Loans made pursuant hereto by each Lender shall, at the option of
         the Company, be either Base Rate Loans or Eurodollar Loans and may be
         continued or converted pursuant to Section 2.11, provided that, except
         as otherwise specifically provided herein, all Loans made pursuant to
         the same Borrowing shall be of the same Type.





                                      -22-
<PAGE>   30
                 (c)      Revolving Credit Commitments.  Each Lender's
         Revolving Credit Exposure shall not exceed at any one time the amount
         set forth opposite such Lender's name on Annex I under the caption
         "Revolving Credit Commitment" (as the same may be increased pursuant
         to Section 2.01(f), reduced pursuant to Section 2.01(e) or Section
         2.09 or otherwise from time to time modified pursuant to Section
         8.07(b), its "Revolving Credit Commitment," and collectively for all
         Lenders, the "Revolving Credit Commitments"); provided, however, that
         the Aggregate Revolving Credit Exposure at any one time outstanding
         shall not exceed the Maximum Available Amount in effect at such time;
         and, provided, further, the aggregate principal amount of all
         Revolving Credit Loans at any one time outstanding shall not exceed
         the Maximum Revolving Credit Loan Available Amount in effect at such
         time.  There may be more than one Borrowing with respect to Revolving
         Credit Loans on any day.  Within the foregoing limits and subject to
         the conditions set out in Article III, the Company may obtain
         Borrowings of Revolving Credit Loans, repay or prepay such Revolving
         Credit Loans, and reborrow such Revolving Credit Loans.

                 (d)      Term Loan Commitments.  Subject to Section 2.01(e),
         the Term Loans made pursuant hereto by each Lender shall not exceed in
         aggregate principal amount outstanding the amount set forth opposite
         such Lender's name on Annex I under the caption "Term Loan Commitment"
         (as the same may be reduced pursuant to Section 2.09 or otherwise from
         time to time modified pursuant to Section 8.07(b), its "Term Loan
         Commitment," and collectively for all Lenders, the "Term Loan
         Commitments").  There may be no more than one Borrowing with respect
         to Term Loans during any calendar month.  Any portion of each Lender's
         Term Loan Commitment not utilized on or before the Term Loan Drawdown
         Termination Date shall be permanently cancelled.  Any Term Loans that
         are repaid or prepaid may not be reborrowed.

                 (e)      Term Loan Activation Option.  The Revolving Credit
         Commitments as of the Effective Date shall be $100,000,000 and until
         the Company elects to activate the Term Loan Commitments, the Term
         Loan Commitments shall be $0.  The Company may, at its option,
         activate the Term Loan Commitments at any time within 90 days of the
         Closing Date by providing the Agent with written notice in the Form of
         Exhibit H.  Concurrently with such notice, the Company shall deliver
         the Term Notes to the Agent in accordance with Section 2.05(b), and
         the Term Loan Commitments shall then be available.  Concurrently with
         such activation of the Term Loan Commitments, the Revolving Credit
         Commitments shall be permanently reduced by $15,000,000.

                 (f)      Unavailable Commitments.  The Company may from time
         to time, by written notice to the Agent, the Issuing Banks and each
         Lender, designate all, or an aggregate portion in the minimum amount
         of $5,000,000 or in integral multiples of $1,000,000, of the
         Unavailable Commitments as Revolving Credit Commitments.  Any amount
         of the Unavailable Commitments so designated, shall be permanently
         converted to Revolving Credit Commitments and the Revolving Credit
         Commitment of each Lender shall be proportionately increased.

                 (g)      Amounts of Borrowings, etc.  The aggregate principal
         amount of each Borrowing (i) of Eurodollar Loans shall be not less
         than $5,000,000 and shall be in an integral multiple of $1,000,000,
         and (ii) of Base Rate Loans hereunder shall be not less than
         $1,000,000 and shall be in an integral multiple of $100,000, except
         that any Borrowing of Revolving Credit Loans that are Base Rate Loans
         may be in the aggregate amount of the unused Maximum Revolving Credit
         Loan Amount in effect at such time.  Borrowings of more than one Type
         may be outstanding at





                                      -23-
<PAGE>   31
         the same time; provided, however, that the Company shall not be
         entitled to request any Borrowing that, if made, would result in an
         aggregate of more than four separate Borrowings of Eurodollar Loans
         being outstanding at any one time.  For purposes of the foregoing,
         Borrowings having different Interest Periods, regardless of whether
         they commence on the same date, shall be considered separate
         Borrowings.

         Section 2.02     Borrowing Requests.

                 (a)      Borrowing Requests.  Whenever the Company desires to
         make a Borrowing hereunder, it shall give Advance Notice in the form
         of a Borrowing Request, specifying, subject to the provisions hereof,
         (i) whether such Borrowing will be Revolving Credit Loans or Term
         Loans, (ii) the aggregate principal amount of the Loans to be made
         pursuant to such Borrowing, (iii) the date of Borrowing (which shall
         be a Business Day), (iv) whether the Loans being made pursuant to such
         Borrowing are to be Base Rate Loans or Eurodollar Loans, and (v) in
         the case of Eurodollar Loans, the Interest Period to be applicable
         thereto.

                 (b)      Notice by Agent.  The Agent shall promptly give each
         Lender telecopy or telephonic notice (and, in the case of telephonic
         notices, confirmed by telecopy or otherwise in writing) of the
         proposed Borrowing, of such Lender's proportionate share thereof and
         of the other matters covered by the Advance Notice.  Without in any
         way limiting the Company's obligation to confirm in writing any
         telephonic notice, the Agent may act without liability upon the basis
         of telephonic notice believed by the Agent in good faith to be from
         the Company prior to receipt of written confirmation.  In each such
         case, the Company hereby waives the right to dispute the Agent's
         record of the terms of such telephonic notice, absent manifest error.

         Section 2.03     Letters of Credit.

                 (a)      Issuance of Letters of Credit.  Subject to the terms
         and conditions hereof, the Company shall have the right, in addition
         to Revolving Credit Loans provided for in Section 2.01, to utilize the
         Revolving Credit Commitments from time to time prior to the Revolving
         Credit Maturity Date by obtaining the issuance of either Documentary
         Letters of Credit or Standby Letters of Credit for the account of any
         Loan Party by an Issuing Bank if the Company shall so request in the
         notice referred to in Subsection 2.03(b)(i) (such letters of credit
         being collectively referred to as the "Letters of Credit"); provided,
         however, that the Aggregate Revolving Credit Exposure at any one time
         outstanding shall not exceed the Maximum Available Amount in effect at
         such time.  The Letters of Credit may be issued to support the
         obligations of the Company or any of its Subsidiaries.  Upon the date
         of the issuance of a Letter of Credit, the applicable Issuing Bank
         shall be deemed, without further action by any party hereto, to have
         sold to each Lender, and each Lender shall be deemed, without further
         action by any party hereto, to have purchased from such Issuing Bank,
         a participation, to the extent of such Lender's Percentage Share, in
         such Letter of Credit and the related Letter of Credit Liabilities.
         No Letter of Credit issued pursuant to this Agreement shall have an
         expiry date later than one year from date of issuance (other than
         Outstanding Letter of Credit No. 024515), provided that any Letter of
         Credit having an expiry date after the Revolving Credit Maturity Date
         shall have been fully Covered or shall be backed by a letter of credit
         in form and substance, and issued by an issuer, acceptable to each of
         the Agent and the Issuing Bank in their sole discretion, provided,
         further, that, subject to the immediately preceding proviso, any
         Letter of Credit may give the beneficiary thereof the right to draw
         such Letter of Credit unless the expiry date thereof is extended for





                                      -24-
<PAGE>   32
         periods of up to one year per extension.  The Company and the Lenders
         agree that, as of the Effective Date, the Outstanding Letters of
         Credit shall for all purposes of this Agreement be deemed to be
         Letters of Credit issued under and pursuant to the terms of this
         Agreement.

                 (b)      Additional Letter of Credit Provisions.  The
         following additional provisions shall apply to each Letter of Credit:

                 (i)   The Company shall give the Agent and the Issuing Bank at
         least one Business Days' prior notice (effective upon receipt), or in
         each case, such shorter period as may be agreed to by such Issuing
         Bank, specifying the date such Letter of Credit is to be issued (which
         shall be a Business Day) and the Issuing Bank and describing: (A) the
         face amount of the Letter of Credit, (B) the expiration date of the
         Letter of Credit, (C) the name and address of the beneficiary, (D)
         information concerning the transaction proposed to be supported by
         such Letter of Credit as the Agent or such Issuing Bank may reasonably
         request, (E) such other information and documents relating to the
         Letter of Credit as the Agent or such Issuing Bank may reasonably
         request, and (F) a precise description of documents and the verbatim
         text of any certificate to be presented by the beneficiary, which, if
         presented prior to the expiry date of the Letter of Credit, would
         require such Issuing Bank to make payment under the Letter of Credit;
         provided that such Issuing Bank, in its reasonable judgment, may
         require changes in such documents and certificates; and provided
         further that neither Issuing Bank shall be required to issue any
         Letter of Credit that on its terms requires payment thereunder prior
         to the next Business Day following receipt by such Issuing Bank of
         such documents and certificates.  Each such notice shall be
         accompanied by the applicable Issuing Bank's Application and by a
         certificate executed by a Responsible Officer setting forth
         calculations evidencing availability for such Letter of Credit
         pursuant to Subsection 2.03(b)(2)(i) and stating that all conditions
         precedent to such issuance have been satisfied.  Each Letter of Credit
         shall, to the extent not inconsistent with the express terms hereof or
         the applicable Application, be subject to the Uniform Customs and
         Practice for Documentary Credits (1993 Revision), International
         Chamber of Commerce Publication No. 500 (together with any subsequent
         revisions thereof approved by a Congress of the International Chamber
         of Commerce and adhered to by the Issuing Lender, the "UCP"), and
         shall, as to matters not governed by the UCP, be governed by, and
         construed and interpreted in accordance with, the laws of the State of
         Texas.  In determining whether to pay any Letter of Credit, the
         applicable Issuing Bank shall be responsible only to use reasonable
         care to determine that the documents and certificates required to be
         delivered under that Letter of Credit have been delivered and that
         they comply on their face with the requirements of that Letter of
         Credit.

                 (ii)   No Letter of Credit may be issued if after giving
         effect thereto the Aggregate Revolving Credit Exposure would exceed
         the Maximum Available Amount.  On each day during the period
         commencing with the issuance of any Letter of Credit and until such
         Letter of Credit shall have expired or have been terminated, the
         Revolving Credit Commitment of each Lender shall be deemed to be
         utilized for all purposes hereof in an amount equal to such Lender's
         Percentage Share of the amount of the Letter of Credit Liabilities
         related to such Letter of Credit.

                 (iii)   Upon receipt from the beneficiary of any Letter of
         Credit of any demand for payment thereunder, the Issuing Bank shall
         promptly notify the Company and the Agent of such demand (provided
         that the failure of an Issuing Bank to give such notice shall not
         affect the Reimbursement Obligations of the Company hereunder) and the
         Company shall immediately, and in any event no later than 11:00 a.m.
         (Houston, Texas time) on the date of such drawing,





                                      -25-
<PAGE>   33
         reimburse the Agent for the account of the applicable Issuing Bank for
         any amount paid by the Issuing Bank upon any drawing under any Letter
         of Credit, without presentment, demand, protest or other formalities
         of any kind in an amount, in same day funds, equal to the amount of
         such drawing.  Unless prior to 11:00 a.m. (Houston, Texas time) on the
         date of such drawing, the Company shall have either notified the
         Issuing Bank and the Agent that the Company intends to reimburse the
         Agent for the account of the applicable Issuing Bank for the amount of
         such drawing with funds other than the proceeds of a Revolving Credit
         Loan or delivered to the Agent a Borrowing Request for Revolving
         Credit Loans in an amount equal to such drawing, the Company will be
         deemed to have given a Borrowing Request to the Agent requesting that
         the Lenders make Revolving Credit Loans which shall be Base Rate Loans
         on the date on which such drawing is honored in an amount equal to the
         amount of such drawing.  Such Loans shall be subject to satisfaction
         of the conditions in Article III and to existence of Maximum Revolving
         Credit Loan Available Amount.  Subject to the preceding sentence, if
         so requested by the Agent, the Lenders shall, on the date of such
         drawing, make such Revolving Credit Loans in an amount equal to such
         Lender's Percentage Share of such drawing, the proceeds of which shall
         be applied directly by the Agent to reimburse the applicable Issuing
         Bank for the amount of such drawing.

                 (iv)  If the Company fails to reimburse the applicable Issuing
         Bank as provided in clause (iii) above, such Issuing Bank shall
         promptly notify the Agent and the Agent shall notify each Lender of
         the unreimbursed amount of such drawing and of such Lender's
         respective participation therein based on such Lender's Percentage
         Share.  Each Lender will pay to the Agent for the account of the
         applicable Issuing Bank on the date of such notice an amount equal to
         such Lender's Percentage Share of such unreimbursed drawing (or, if
         such notice is made after 11:00 a.m. (Houston, Texas time) on such
         date, on the next succeeding Business Day).  If any Lender fails to
         make available to such Issuing Bank the amount of such Lender's
         participation in such Letter of Credit as provided in this clause
         (iv), such Issuing Bank shall be entitled to recover such amount on
         demand from such Lender together with interest at the Federal Funds
         Rate for one Business Day and thereafter at the Base Rate.  Nothing in
         this clause (iv) shall be deemed to prejudice the right of any Lender
         to recover from such Issuing Bank any amounts made available by such
         Lender to such Issuing Bank pursuant to this clause (iv) if it is
         determined by a court of competent jurisdiction that the payment with
         respect to a Letter of Credit by such Issuing Bank was wrongful and
         such wrongful payment was the result of gross negligence or willful
         misconduct on the part of such Issuing Bank.  The applicable Issuing
         Bank shall pay to the Agent and the Agent to each Lender such Lender's
         Percentage Share of all amounts received from the Company for payment,
         in whole or in part, of the Reimbursement Obligation in respect of any
         Letter of Credit, but only to the extent such Lender has made payment
         to such Issuing Bank in respect of such Letter of Credit pursuant to
         this clause (iv).

                 (v)   The issuance by the applicable Issuing Bank of each
         Letter of Credit shall, in addition to the conditions precedent set
         forth in Article III, be subject to the conditions precedent that such
         Letter of Credit shall be in such form and contain such terms as shall
         be reasonably satisfactory to such Issuing Bank, and that the Company
         shall have executed and delivered such other instruments and
         agreements relating to such Letter of Credit as such Issuing Bank
         shall have reasonably requested and that are not inconsistent with the
         terms of this Agreement including the applicable Issuing Bank's
         Application therefor.  In the event of a conflict between the terms of
         this Agreement and the terms of any Application, the terms of this
         Agreement shall control.





                                      -26-
<PAGE>   34
                 (vi)  AS BETWEEN THE COMPANY AND ANY ISSUING BANK, THE COMPANY
         ASSUMES ALL RISKS OF THE ACTS AND OMISSIONS OF OR MISUSE OF THE
         LETTERS OF CREDIT ISSUED BY SUCH ISSUING BANK BY THE RESPECTIVE
         BENEFICIARIES OF SUCH LETTERS OF CREDIT.  IN FURTHERANCE AND NOT IN
         LIMITATION OF THE FOREGOING, SUCH ISSUING BANK SHALL NOT BE
         RESPONSIBLE: (A) FOR THE FORM, VALIDITY, SUFFICIENCY, ACCURACY,
         GENUINENESS OR LEGAL EFFECT OF ANY DOCUMENT SUBMITTED BY ANY PERSON IN
         CONNECTION WITH THE APPLICATION FOR OR ISSUANCE OF SUCH LETTERS OF
         CREDIT, EVEN IF IT SHOULD IN FACT PROVE TO BE IN ANY OR ALL RESPECTS
         INVALID, INSUFFICIENT, INACCURATE, FRAUDULENT OR FORGED; (B) FOR THE
         VALIDITY OR SUFFICIENCY OF ANY INSTRUMENT TRANSFERRING OR ASSIGNING OR
         PURPORTING TO TRANSFER OR ASSIGN ANY SUCH LETTER OF CREDIT OR THE
         RIGHTS OR BENEFITS THEREUNDER OR PROCEEDS THEREOF, IN WHOLE OR IN
         PART, WHICH MAY PROVE TO BE INVALID OR INEFFECTIVE FOR ANY REASON; (C)
         FOR FAILURE OF THE BENEFICIARY OF ANY SUCH LETTER OF CREDIT TO COMPLY
         FULLY WITH CONDITIONS REQUIRED IN ORDER TO DRAW UPON SUCH LETTER OF
         CREDIT, WHICH FAILURE IS NOT THE RESULT OF GROSS NEGLIGENCE OR WILLFUL
         MISCONDUCT OF SUCH ISSUING BANK AS DETERMINED BY A COURT OF COMPETENT
         JURISDICTION; (D) FOR ERRORS, OMISSIONS, INTERRUPTIONS OR DELAYS IN
         TRANSMISSION OR DELIVERY OF ANY MESSAGES, BY MAIL, CABLE, TELEGRAPH,
         TELEX OR OTHERWISE, WHETHER OR NOT THEY ARE IN CIPHER; (E) FOR ERRORS
         IN INTERPRETATION OF TECHNICAL TERMS; (F) FOR ANY LOSS OR DELAY IN THE
         TRANSMISSION OR OTHERWISE OF ANY DOCUMENT REQUIRED IN ORDER TO MAKE A
         DRAWING UNDER ANY SUCH LETTER OF CREDIT OR OF THE PROCEEDS THEREOF;
         (G) FOR THE MISAPPLICATION BY THE BENEFICIARY OF ANY SUCH LETTER OF
         CREDIT OF THE PROCEEDS OF ANY DRAWING UNDER SUCH LETTER OF CREDIT; AND
         (H) FOR ANY CONSEQUENCES ARISING FROM CAUSES BEYOND THE CONTROL OF
         SUCH ISSUING BANK, INCLUDING, WITHOUT LIMITATION, THE ACTIONS OF ANY
         GOVERNMENTAL AUTHORITY.  NONE OF THE ABOVE SHALL AFFECT, IMPAIR, OR
         PREVENT THE VESTING OF ANY OF SUCH ISSUING BANK'S RIGHTS OR POWERS
         HEREUNDER.  NOTWITHSTANDING ANYTHING TO THE CONTRARY CONTAINED IN THIS
         CLAUSE (VI), THE COMPANY SHALL HAVE NO OBLIGATION TO INDEMNIFY AN
         ISSUING BANK IN RESPECT OF ANY LIABILITY INCURRED BY SUCH ISSUING BANK
         ARISING SOLELY OUT OF THE GROSS NEGLIGENCE OR WILLFUL MISCONDUCT OF
         SUCH ISSUING BANK, AS DETERMINED BY A COURT OF COMPETENT JURISDICTION.

                 (vii)    Each Issuing Bank will send to the Company and the
         Agent immediately upon issuance of any Letter of Credit, or an
         amendment thereto, a true and complete copy of such Letter of Credit,
         or such amendment thereto.  Upon issuance of any Letter of Credit or
         an amendment thereto, the Agent shall promptly notify each Lender of
         the terms of such Letter of Credit or amendment thereto, the Issuing
         Bank for such Letter of Credit or amendment thereto, and of such
         Lender's Percentage Share of the amount of such Letter of Credit or
         amendment thereto, and the Agent shall provide to each Lender a copy
         of such Letter of Credit or such amendment thereto.  Upon cancellation
         or termination of any Letter of Credit, the Issuing Bank shall
         promptly notify the Agent and the Company, and the Agent will then
         promptly notify each Lender, of such cancellation or termination.

                 (viii) The obligation of the Company to reimburse each Issuing
         Bank for Reimbursement Obligations with regard to the Letters of
         Credit issued by it and the obligations of Lenders under clause (iv)
         shall be unconditional and irrevocable and shall be paid strictly in
         accordance with the terms of this Agreement and under all
         circumstances including, without limitation, the following
         circumstances:





                                      -27-
<PAGE>   35
                          (A)  any lack of validity or enforceability of any
         Letter of Credit;

                          (B)  the existence of any claim, set-off, defense or
         other right that the Company may have at any time against a
         beneficiary or any transferee of any Letter of Credit (or any Persons
         for whom any such transferee may be acting), any Lender or any other
         Person, whether in connection with this Agreement, the transactions
         contemplated herein or any unrelated transaction (including any
         underlying transaction between the Company or one of its Subsidiaries
         and the beneficiary for which the Letter of Credit was procured) other
         than a defense based on the gross negligence or willful misconduct of
         such Issuing Bank, as determined by a court of competent jurisdiction;

                          (C)  any draft, demand, certificate or any other
         document presented under any Letter of Credit is proved to be forged,
         fraudulent, invalid or insufficient in any respect or any statement
         therein is untrue or inaccurate in any respect;

                          (D)  payment by such Issuing Bank under any Letter of
         Credit against presentation of a demand, draft or certificate or other
         document that does not comply with the terms of such Letter of Credit,
         provided that such payment does not occur as a result of the gross
         negligence or willful misconduct of such Issuing Bank, as determined
         by a court of competent jurisdiction;
 
                          (E)  any adverse change in the condition (financial 
         or otherwise) of the Company;

                          (F) any breach of this Agreement or any other
         Financing Document by the Company, Agent or any Lender (other than the
         applicable Issuing Bank);

                          (G) any other circumstance or happening whatsoever
         which is similar to any of the foregoing; provided that such other
         occurrence or happening is not the result of the gross negligence or
         willful misconduct of such Issuing Bank, as determined by a court of
         competent jurisdiction; or

                          (H) the fact that a Default shall have occurred and
         be continuing.

         Section 2.04     Disbursement of Funds.

                 (a)      Availability.  No later than 11:00 a.m. (Houston
         time) on the date of each Borrowing, each Lender will make available
         its pro rata portion of the amount (if any) by which the principal
         amount of the Borrowing requested to be made on such date exceeds the
         principal amount of Loans (if any) maturing or Reimbursement
         Obligations (if any) due and owing on such date, in Dollars and in
         immediately available funds at the Payment Office.  The Agent will
         make available to the Company at the Payment Office the aggregate of
         the amounts (if any) so made available by the Lenders by depositing
         the same, in immediately available funds, to an account of the Company
         at the Agent designated by the Company for such purpose.  To the
         extent that Loans mature or Reimbursement Obligations are due and
         owing on the date of a requested Borrowing of Revolving Credit Loans,
         the Lenders shall apply the proceeds of the Revolving Credit Loans
         then being made, to the extent thereof, to the repayment of such
         maturing Loans or Reimbursement Obligations, such Revolving Credit
         Loans and repayments intended to be a contemporaneous exchange.





                                      -28-
<PAGE>   36
                 (b)      Funds to the Agent.  Unless the Agent shall have been
         notified by any Lender prior to the date of a Borrowing that such
         Lender does not intend to make available to the Agent such Lender's
         portion of the Borrowing to be made on such date, the Agent may assume
         that such Lender has made such amount available to the Agent on such
         date, and the Agent may make available to the Company a corresponding
         amount.  If such corresponding amount is not in fact made available to
         the Agent by such Lender on the date of a Borrowing, the Agent shall
         be entitled to recover such corresponding amount on demand from such
         Lender together with interest at the Federal Funds Rate.  If such
         Lender does not pay such corresponding amount forthwith upon the
         Agent's demand therefor, the Agent shall promptly notify the Company,
         and the Company shall immediately pay such corresponding amount to the
         Agent together with interest at the rate specified for the Borrowing
         which includes such amount paid.  Nothing in this Section shall be
         deemed to relieve any Lender from its obligation to fulfill its
         Commitment hereunder or to prejudice any rights which the Company may
         have against any Lender as a result of any default by such Lender
         hereunder.

                 (c)      Lenders' Responsibilities.  No Lender shall be
         responsible for any default by any other Lender in its obligation to
         make Loans hereunder, and each Lender shall be obligated to make the
         Loans provided to be made by it hereunder, regardless of the failure
         of any other Lender to fulfill its Commitment hereunder.

         Section 2.05     Notes.

                 (a)      Revolving Credit Notes.  The Company's obligation to
         pay the principal of, and interest on, the Revolving Credit Loans made
         by each Lender shall be further evidenced by the Company's issuance,
         execution and delivery of a Revolving Credit Note payable to the order
         of each such Lender in the amount of the sum of such Lender's
         Revolving Credit Commitment plus its Unavailable Commitment and shall
         be dated as of the date of issuance of such Revolving Credit Note.
         The principal amount of each Revolving Credit Note shall be payable on
         or before the Revolving Credit Maturity Date.

                 (b)      Term Notes.  The Company's obligation to pay the
         principal of, and interest on, the Term Loans made by each Lender
         shall be further evidenced by the Company's issuance, execution and
         delivery of a Term Note payable to the order of each such Lender in
         the amount of such Lender's Term Loan Commitment and dated as of the
         date of issuance of such Term Note.  The principal amount of each Term
         Note shall be payable in twelve (12) equal installments commencing on
         the first Quarterly Date to occur after the Term Loan Drawdown
         Termination Date, and on each Quarterly Date thereafter; provided
         however, if the Vacuum Unit has not been completed and placed in
         operation on or prior to the Term Loan Drawdown Termination Date, the
         Company may extend the Term Loan Drawdown Termination Date to June 30,
         1995 and defer the first such installment payment to the next
         Quarterly Date to occur after such extended Term Loan Drawdown
         Termination Date, in which event, the principal amount of each Term
         Note shall be payable in eleven (11) equal installments commencing on
         such Quarterly Date.  The Company agrees to make such installments on
         each Quarterly Date with the final installment in the amount of the
         aggregate unpaid principal balance then owing thereunder being payable
         on or before the Term Loan Maturity Date.  Any prepayment of the
         principal amount of the Term Notes shall be applied to the
         installments unpaid at such time in the inverse order of maturity.





                                      -29-
<PAGE>   37
                 (c)      Right to Collect on the Notes.  The Company and the
         Guarantors are personally obligated and fully liable for the amounts
         due under the Notes.  The Lenders have the right to sue on the Notes
         and obtain a personal judgment against the Company and the Guarantors
         for satisfaction of the amounts due under the Notes either before or
         after a judicial foreclosure of the Alaska Deed of Trust under Alaska
         Statute 09.45.170 - 09.45.220.

         Section 2.06     Interest.  In all cases subject to Section 8.13:

                 (a)      Base Rate Loans.  Subject to Section 2.06(c), the
         Company agrees to pay interest in respect of the unpaid principal
         amount of each Base Rate Loan from the date thereof until payment in
         full thereof at a rate per annum which shall be, for any day, equal to
         the sum of the Applicable Margin plus the Base Rate in effect on such
         day, but in no event to exceed the Highest Lawful Rate.  The term
         "Base Rate" shall mean the higher of (i) the Prime Rate in effect on
         such day or (ii) one-half of one percent ( 1/2%) plus the Federal
         Funds Rate in effect for such day (rounded upwards, if necessary, to
         the nearest 1/16th of 1%), but in no event to exceed the Highest
         Lawful Rate.  For purposes of this Agreement, any change in the Base
         Rate due to a change in the Federal Funds Rate or the Prime Rate shall
         be effective on the effective date of such change in the Federal Funds
         Rate or the Prime Rate, as the case may be.  If for any reason the
         Agent shall have determined (which determination shall be conclusive
         and binding, absent manifest error) that it is unable to ascertain the
         Federal Funds Rate for any reason, including but not limited to the
         inability of the Agent to obtain sufficient bids or publications in
         accordance with the terms hereof, the Base Rate shall be the Prime
         Rate until the circumstances giving rise to such inability no longer
         exist.

                 (b)      Eurodollar Loans.  Subject to Section 2.06(c), the
         Company agrees to pay interest in respect of the unpaid principal
         amount of each Eurodollar Loan from the date thereof until payment in
         full thereof at a rate per annum which shall be the sum of the
         Applicable Margin plus the relevant Eurodollar Rate, but in no event
         to exceed the Highest Lawful Rate.

                 (c)      Default Interest.  Overdue principal and, to the
         extent permitted by law, overdue interest in respect of each Loan and
         all other amounts owing hereunder shall bear interest for each day
         that such amounts are overdue at a rate per annum equal to three
         percent (3%) in excess of the Base Rate in effect for each such day.

                 (d)      Miscellaneous.  Interest on each Loan shall accrue
         from and including the date of such Loan to but excluding the date of
         payment in full thereof.  Interest on each Eurodollar Loan shall be
         payable on the last day of each Interest Period applicable thereto
         and, in the case of an Interest Period in excess of three months, on
         each day which occurs every three months after the initial date of
         such Interest Period, and on any prepayment (on the amount prepaid),
         at maturity (whether by acceleration or otherwise) and, after
         maturity, on demand.  Interest on Base Rate Loans shall be payable on
         each Quarterly Date, commencing on the first of such days to occur
         after such Loan is made, at maturity (whether by acceleration or
         otherwise) and, after maturity, on demand.

                 (e)      Notice by the Agent.  The Agent, upon determining the
         Eurodollar Rate for any Interest Period, shall promptly notify by
         telephone (confirmed in writing) or in writing the Company and the
         Lenders thereof.





                                      -30-
<PAGE>   38
         Section 2.07     Interest Periods.  In connection with each Borrowing
of Eurodollar Loans, the Company shall elect an Interest Period to be
applicable to such Borrowing, which Interest Period shall begin on and include,
as the case may be, the date selected by the Company pursuant to Section
2.02(a), the conversion date or the date of expiration of the then current
Interest Period applicable thereto, and end on but exclude the date which is
either one, two, three or six months thereafter, as selected by the Company;
provided that:

                 (a)      Business Days.  If any Interest Period would
         otherwise expire on a day which is not a Business Day, such Interest
         Period shall expire on the next succeeding Business Day, provided,
         further, that if any Interest Period (other than in respect of a
         Borrowing of Eurodollar Loans the Interest Period of which is expiring
         pursuant to Section 2.15(b) hereof) would otherwise expire on a day
         which is not a Business Day but is a day of the month after which no
         further Business Day occurs in such month, such Interest Period shall
         expire on the next preceding Business Day;

                 (b)      Month End.  Any Interest Period which begins on the
         last Business Day of a calendar month (or on a day for which there is
         no numerically corresponding day in the calendar month at the end of
         such Interest Period) shall, subject to Subsection (c) below, end on
         the last Business Day of a calendar month;

                 (c)      Payment Limitations.  No Interest Period shall extend
         beyond any date that any principal payment or prepayment is scheduled
         to be due unless the aggregate principal amount of Borrowings which
         are Borrowings of Base Rate Loans or which have Interest Periods which
         will expire on or before such date, less the aggregate amount of any
         other principal payments or prepayments due during such Interest
         Period, is equal to or in excess of the amount of such principal
         payment or prepayment; and

                 (d)      Maturity Dates.  No Interest Period with regard to
         Revolving Credit Loans shall extend beyond the Revolving Credit
         Maturity Date and no Interest Period with regard to Term Loans shall
         extend beyond the Term Loan Maturity Date.

         Section 2.08     Repayment of Loans.  Subject to the provisions of
Sections 2.09 and 2.10, the Company shall pay to the Agent for the ratable
benefit of the Lenders the unpaid principal amount of (i) each Eurodollar Loan
made by such Lender hereunder on the last day of the Interest Period in respect
of such Loan and (ii) each Base Rate Loan on or before the Revolving Credit
Maturity Date.

         Section 2.09     Termination or Reduction of Commitments.

                 (a)      Revolving Credit Commitments.  The Company may, upon
         at least three Business Days' notice to the Agent, terminate entirely
         at any time, or proportionately reduce from time to time by an
         aggregate amount of $5,000,000 or any larger multiple of $1,000,000,
         the unused portions of the Revolving Credit Commitments, provided that
         any such reduction shall apply proportionately to the Revolving Credit
         Commitment of each Lender.  If the Revolving Credit Commitments are
         terminated in their entirety, all accrued commitment fees with respect
         thereto shall be payable on the effective date of such termination.

                 (b)      Term Loan Commitments.  The Company may, upon at
         least three Business Days' notice to the Agent, terminate entirely at
         any time, or proportionately reduce from time





                                      -31-
<PAGE>   39
         to time by an aggregate amount of $1,000,000 or any larger multiple of
         $500,000, the unused portions of the Term Loan Commitments, provided
         that any such reduction shall apply proportionately to the Term Loan
         Commitment of each Lender.  If the Term Loan Commitments are
         terminated in their entirety, all accrued commitment fees with respect
         thereto shall be payable on the effective date of such termination.

                 (c)      Unavailable Commitments.  The Company may, upon at
         least three Business Days' notice to the Agent, terminate entirely at
         any time, or proportionately reduce from time to time by an aggregate
         amount of $5,000,000 or any larger multiple of $1,000,000, the unused
         portions of the Unavailable Commitments, provided that any such
         reduction shall apply proportionately to the Unavailable Commitment of
         each Lender.  If the Unavailable Commitments and the Revolving Credit
         Commitments are terminated in their entirety, all accrued commitment
         fees with respect to the Unavailable Commitments shall be payable on
         the effective date of such termination.

         Section 2.10     Prepayments.

                 (a)      Mandatory E&P Loan Value Prepayments.  If, after
         giving effect to any reduction of the Maximum Revolving Credit Loan
         Available Amount as a result of a redetermination of the E&P Loan
         Value as provided in Section 2.20, the outstanding aggregate principal
         amount of the Revolving Credit Loans exceeds the amount of such
         redetermined E&P Loan Value, the Company shall pay or prepay the
         Revolving Credit Loans in the amount of such excess within five
         Business Days of the date of such redetermination.  All prepayments
         pursuant to this Subsection shall be applied first to such Base Rate
         Loans which are Revolving Credit Loans as the Company may designate
         and second to such Eurodollar Loans which are Revolving Credit Loans
         as the Company may designate.

                 (b)      Mandatory Borrowing Base Prepayments.  If at any time
         the Aggregate Revolving Credit Exposure is in excess of the Maximum
         Available Amount, the Company shall make a prepayment of Revolving
         Credit Loans or provide Cover for Letter of Credit Liabilities, or a
         combination thereof, in an amount equal to such excess.  Any such
         prepayment or Cover shall be payable or provided in full within five
         Business Days of the earlier of (i) the date of the Borrowing Base
         Report first reporting such excess or (ii) the date on which the Agent
         provides notice thereof to the Company.

                 (c)      Mandatory Excess Cash Flow Prepayments.  On or before
         the 120th day after each December 31, commencing on December 31, 1995,
         the Company shall prepay (by payment to the Agent for the benefit of
         the Lenders) an aggregate principal amount of Term Loans equal to 50%
         of Excess Cash Flow for the Calendar Year ending on such date less the
         amount of any voluntary prepayments of Term Loans made by the Company
         as permitted in Subsection 2.10(d) during such calendar year, such
         prepayment shall be applied to installments of principal in the
         inverse order of their maturity; provided that such prepayments shall
         not exceed $5,000,000 in the aggregate.

                 (d)      Voluntary Prepayments.  The Company may, at its
         option, at any time and from time to time, prepay Loans, in whole or
         in part, without premium or penalty (other than funding losses, if
         any, resulting from such prepayment being made other than on the last
         day of an Interest Period with respect to any Eurodollar Loan as
         provided in Section 2.18), upon giving,





                                      -32-
<PAGE>   40
         in the case of a Eurodollar Loan, three Business Days' prior written
         notice to the Agent, and, in the case of a Base Rate Loan, one
         Business Day's prior written notice to the Agent.  Such notice shall
         specify the date and amount of prepayment and the Loan or Loans
         (including the Type thereof) to which such prepayment is to be
         applicable.  Upon receipt of such notice, the Agent shall promptly
         notify each Lender of the contents thereof and of such Lender's
         ratable share of such prepayment.  The payment amount specified in the
         such notice shall be due and payable on the date specified.  Each
         prepayment of Base Rate Loans shall be in the minimum principal amount
         of $1,000,000 and in integral multiples of $100,000 and each
         prepayment of Eurodollar Loans shall be in the minimum principal
         amount of $5,000,000 and in integral multiples of $1,000,000 or, in
         the case of either Base Rase Loans or Eurodollar Loans, or the
         aggregate balance outstanding on the applicable Notes.  Each
         prepayment of Term Loans made pursuant to this Section shall be
         accompanied by any funding losses resulting from such prepayment being
         made other than on the last day of an Interest Period with respect to
         any Eurodollar Loan as provided in Section 2.18.  Each prepayment
         shall be applied ratably to prepay the Loans of the several Lenders.

                 (e)      Notice by Agent.  Upon receipt of a notice of
         prepayment pursuant to this Section, the Agent shall promptly notify
         each Lender of the contents thereof and of such Lender's ratable share
         of such prepayment.

         Section 2.11     Continuation and Conversion Options.

                 (a)      Continuation.  The Company may elect to continue all
         or any part of any Borrowing of Eurodollar Loans beyond the expiration
         of the then current Interest Period relating thereto by giving Advance
         Notice to the Agent of such election, specifying the Eurodollar Loan
         or portion thereof to be continued and the Interest Period therefor.
         In the absence of such a timely and proper election with regard to
         Eurodollar Loans, the Company shall be deemed to have elected to
         convert such Eurodollar Loan to a Base Rate Loan pursuant to
         Subsection 2.11(d).

                 (b)      Amounts of Continuations.  All or part of any
         Eurodollar Loan may be continued as provided herein, provided that any
         continuation of such Loan shall not be (as to each Loan as continued
         for an applicable Interest Period) less than $5,000,000 and shall be
         in an integral multiple of $1,000,000.

                 (c)      Continuation or Conversion Upon Default.  If no
         Default shall have occurred and be continuing, each Eurodollar Loan
         may be continued or converted as provided in this Section.  If a
         Default shall have occurred and be continuing, the Company shall not
         have the option to elect to continue any such Eurodollar Loan pursuant
         to Subsection 2.11(a) or to convert Base Rate Loans pursuant to
         Subsection 2.11(e).

                 (d)      Conversion to Base Rate.  The Company may elect to
         convert any Eurodollar Loan on the last day of the then current
         Interest Period relating thereto to a Base Rate Loan by giving Advance
         Notice to the Agent of such election.

                 (e)      Conversion to Eurodollar Rate.  The Company may elect
         to convert any Base Rate Loan at any time or from time to time to a
         Eurodollar Loan by giving Advance Notice to the Agent of such
         election, specifying each Interest Period therefor.





                                      -33-
<PAGE>   41
                 (f)      Amounts of Conversions.  All or any part of the
         outstanding Loans may be converted as provided herein, provided that
         any conversion of such Loans shall not result in a Borrowing of
         Eurodollar Loans in an amount less than $5,000,000 and in integral
         multiples of $1,000,000.

         Section 2.12     Fees.

                 (a)      Revolving Credit Commitments.  The Company shall pay
         to the Agent for the account of and distribution to each Lender in
         accordance with its Percentage Share a commitment fee for the period
         commencing on the Closing Date to and including the Revolving Credit
         Maturity Date (or such earlier date as the Revolving Credit
         Commitments shall have been terminated entirely) computed at a rate
         equal to one-half of one percent (1/2%) per annum on the average daily
         excess amount of the Revolving Credit Commitments over the Revolving
         Credit Exposure, payable in arrears on the Quarterly Dates, commencing
         on the first Quarterly Date to occur after the Closing Date.

                 (b)      Unavailable Commitments.  The Company shall pay to
         the Agent for the account of and distribution to each Lender in
         accordance with its Percentage Share a commitment fee for the period
         commencing on the Closing Date to and including the Revolving Credit
         Maturity Date (or such earlier date as the Unavailable Commitments
         shall have been converted or terminated entirely) computed at a rate
         equal to one-fourth of one percent (1/4%) per annum on the average
         daily amount of the Unavailable Commitments, payable in arrears on the
         Quarterly Dates, commencing on the first Quarterly Date to occur after
         the Closing Date.  In the event that the Company elects to designate
         all or part of the Unavailable Commitments as Revolving Credit
         Commitments pursuant to Section 2.01(f), the Company shall pay to the
         Agent for the account of and distribution to each Lender in accordance
         with its Percentage Share an additional commitment fee for the period
         commencing on the date six months prior to the date of such
         designation (but in no event earlier than the Closing Date) to and
         including such date of designation computed at a rate equal to
         one-fourth of one percent (1/4%) per annum on the amount so
         designated.  Payment of such additional commitment fee shall be due
         and payable upon delivery of the notice of designation provided to the
         Agent pursuant to Section 2.01(f).

                 (c)      Term Loan Commitments.  The Company shall pay to the
         Agent for the account of and distribution to each Lender in accordance
         with its Percentage Share a commitment fee for the period commencing
         on the Closing Date to and including the Term Loan Drawdown
         Termination Date (or such earlier date as the Term Loan Commitments
         shall have been terminated entirely) computed at a rate equal to
         one-half of one percent (1/2%) per annum on the average daily unused
         portion of the Term Loan Commitments, payable in arrears on the
         Quarterly Dates, commencing on the first Quarterly Date to occur after
         the Closing Date.

                 (d)      Letters of Credit.  (i) As consideration for the
         issuance of any Letter of Credit, the Company will pay to the
         applicable Issuing Bank the greater of (A) $300 or (B) a fee on the
         daily average amount available for drawings under each Letter of
         Credit, in each case for the period from and including the date of
         issuance of such Letter of Credit (or in the case of the Outstanding
         Letters of Credit, from and including the Effective Date) to and
         excluding the date of expiration or termination thereof computed at a
         rate equal to one-fourth of one percent ( 1/4%) per annum, payable in
         arrears on each Quarterly Date.  The Company shall pay to the Issuing
         Bank in arrears on each Quarterly Date, with respect to any amendment
         or transfer of any Letter





                                      -34-
<PAGE>   42
         of Credit and for each drawing made thereunder, documentary and
         processing charges in accordance with the Issuing Bank's standard
         schedule for such charges in effect at the time of such amendment,
         transfer or drawing, as the case may be.  All fees payable pursuant to
         this clause (i) shall be retained by the applicable Issuing Bank.

                 (ii)     The Company will pay to the Agent for the account of
         and pro rata distribution to each Lender a fee on the daily average
         amount available for drawings under each Letter of Credit, in each
         case for the period from and including the date of issuance of such
         Letter of Credit (or in the case of the Outstanding Letters of Credit,
         from and including the Effective Date) to and excluding the date of
         expiration or termination thereof computed at a per annum rate for
         each day equal to the Applicable Margin for Eurodollar Loans in effect
         at the time of the issuance of such Letter of Credit less one-fourth
         of one percent (1/4%) per annum, payable in arrears on each Quarterly
         Date.

                 (e)      Agent and Co-Agent Fees.  The Company shall pay to
         the Agent such fees as are set forth in the letter agreement between
         the Agent and the Company dated as of February 7, 1994, and accepted
         and agreed to by the Company as of February 23, 1994, as the same has
         been or may be hereafter amended or supplemented, on the dates
         specified therein.  The Company shall pay to the Co-Agent such fees as
         are set forth in the letter agreement, dated as of the Closing Date,
         between the Co-Agent and the Company on the dates specified therein.

                 (f)      Facility Fee.  The Company shall pay to the Agent on
         the Closing Date for the account of each Lender, a facility fee in the
         amount set forth, for each Lender (other than TCB or BP), in a
         facility fee letter agreement dated as of the Closing Date between the
         Company and each such Lender.

         Section 2.13     Payments, etc.

                 (a)      Without Setoff, etc.  Except as otherwise
         specifically provided herein, all payments under this Agreement shall
         be made to the Agent on behalf of the Lenders without defense, set-off
         or counterclaim to the Agent not later than 11:00 a.m. Houston time on
         the date when due and shall be made in Dollars in immediately
         available funds at the Payment Office.  The Agent will promptly
         thereafter distribute funds in the form received relating to the
         payment of principal or interest or commitment fees ratably to the
         Lenders for the account of their respective Lending Offices, and funds
         in the form received relating to the payment of any other amount
         payable to any Lender to such Lender for the account of its Lending
         Office.

                 (b)      Non-Business Days.  Whenever any payment to be made
         hereunder or under any Note shall be stated to be due on a day which
         is not a Business Day, the due date thereof shall be extended to the
         next succeeding Business Day (except as otherwise provided in Section
         2.07 hereof) and, with respect to payments of principal, interest
         thereon shall be payable at the applicable rate during such extension.

                 (c)      Computations.  All computations of interest shall be
         made on the basis of a year of 360 days (unless such calculation would
         result in a usurious rate, in which case interest shall be calculated
         on the basis of a year of 365 or 366 days, as the case may be) in the
         case of Eurodollar Loans, and 365 or 366 days (as the case may be) in
         the case of Base Rate Loans, and all computations of fees shall be
         made on the basis of a year of 360 days (unless such calculation





                                      -35-
<PAGE>   43
         would result in a usurious rate, in which case interest shall be
         calculated on the basis of a year of 365 or 366 days, as the case may
         be), in each case for the actual number of days (including the first
         day but excluding the last day) occurring in the period for which such
         interest or fees are payable.  Each determination by the Agent of an
         interest rate or fee hereunder shall, except for manifest error, be
         final, conclusive and binding for all purposes, provided that such
         determination shall be made in good faith in a manner generally
         consistent with the Agent's standard practice.  If the Agent and the
         Company determine that manifest error exists, said parties shall
         correct such error by way of an adjustment to the payment due on the
         next Quarterly Date.

         Section 2.14     Interest Rate Not Ascertainable, etc.  In the event
that the Agent shall have determined (which determination shall be reasonably
exercised and shall, absent manifest error, be final, conclusive and binding
upon all parties) that on any date for determining the Eurodollar Rate for any
Interest Period, by reason of any changes arising after the date of this
Agreement affecting the interbank Eurodollar market, or any Lender's position
in such market, adequate and fair means do not exist for ascertaining the
applicable interest rate on the basis provided for in the definition of
Eurodollar Rate, then, and in any such event, the Agent shall forthwith give
notice (by telephone confirmed in writing) to the Company and to the Lenders of
such determination.  Until the Agent notifies the Company that the
circumstances giving rise to the suspension described herein no longer exist,
the obligations of the Lenders to make Eurodollar Loans shall be immediately
suspended; any Eurodollar Loan that is requested (by continuation, conversion
or otherwise) shall instead be made as a Base Rate Loan, and any outstanding
Eurodollar Loan shall be converted, on the last day of the then current
Interest Period applicable thereto, to a Base Rate Loan.

         Section 2.15     Illegality.

                 (a)      Determinations of Illegality.  In the event that any
         Lender shall have determined (which determination shall be reasonably
         exercised and shall, absent manifest error, be final, conclusive and
         binding upon all parties) at any time that the making or continuance
         of any Eurodollar Loan has become unlawful by compliance by such
         Lender in good faith with any applicable law, governmental rule,
         regulation, guideline or order (whether or not having the force of law
         and whether or not failure to comply therewith would be unlawful),
         then, in any such event, the Lender shall give prompt notice (by
         telephone confirmed in writing) to the Company and to the Agent of
         such determination (which notice the Agent shall promptly transmit to
         the other Lenders).

                 (b)      Eurodollar Loans Suspended.  Upon the giving of the
         notice to the Company referred to in Subsection (a) above, (i) the
         Company's right to request (by continuation, conversion or otherwise)
         and such Lender's obligation to make Eurodollar Loans shall be
         immediately suspended, and any such requested Eurodollar Loan shall
         instead be made as a Base Rate Loan, and (ii) if the affected
         Eurodollar Loan or Loans are then outstanding, the Company shall
         immediately, or if permitted by applicable law, no later than the date
         permitted thereby, upon at least one Business Day's written notice to
         the Agent and the affected Lender, convert each such Eurodollar Loan
         into a Base Rate Loan, provided that if more than one Lender is
         affected at any time, then all affected Lenders must be treated the
         same pursuant to this Subsection.





                                      -36-
<PAGE>   44
         Section 2.16     Increased Costs.

                 (a)      Eurodollar Regulations, etc.  If, by reason of (x)
         after the date hereof, the introduction of or any change (including,
         but not limited to, any change by way of imposition or increase of
         reserve requirements) in or in the interpretation of any law or
         regulation, or (y) the compliance with any guideline or request from
         any central bank or other governmental authority or quasi-governmental
         authority exercising control over banks or financial institutions
         generally (whether or not having the force of law):

                          (i)     any Lender (or its applicable Lending Office)
                 shall be subject to any tax, duty or other charge with respect
                 to its Eurodollar Loans or its obligation to make Eurodollar
                 Loans, or shall change the basis of taxation of payments to
                 any Lender of the principal of or interest on its Eurodollar
                 Loans or its obligation to make Eurodollar Loans (except for
                 changes in the rate of tax on the overall net income or gross
                 receipts of such Lender or its applicable Lending Office
                 imposed by the jurisdiction in which such Lender's principal
                 executive office or applicable Lending Office is located); or

                          (ii)    any reserve (including, but not limited to,
                 any imposed by the Board of Governors of the Federal Reserve
                 System), special deposit or similar requirement against assets
                 of, deposits with or for the account of, or credit extended
                 by, any Lender's applicable Lending Office shall be imposed or
                 deemed applicable or any other condition affecting its
                 Eurodollar Loans or its obligations to make Eurodollar Loans
                 shall be imposed on any Lender or its applicable Lending
                 Office or the interbank Eurodollar market or the secondary
                 certificate of deposit market;

         and as a result thereof there shall be any increase in the cost to
         such Lender of agreeing to make or making, funding or maintaining
         Eurodollar Loans (except to the extent already included in the
         determination of the applicable Eurodollar Rate) or there shall be a
         reduction in the amount received or receivable by such Lender or its
         applicable Lending Office, then the Company shall from time to time,
         upon written notice from and demand by such Lender (with a copy of
         such notice and demand to the Agent), pay to such Lender, within 30
         days after the date specified in such notice and demand, additional
         amounts determined by such Lender in a reasonable manner to be
         sufficient to indemnify such Lender against such increased cost.  A
         certificate as to the amount of such increased cost and the
         calculation thereof, submitted to the Company and the Agent by such
         Lender, shall, except for manifest error, be final, conclusive and
         binding for all purposes, provided that the determination of such
         amount shall be made in good faith in a manner generally consistent
         with such Lender's standard practice.

                 (b)      Costs.  If any Lender shall advise the Agent that at
         any time, because of the circumstances described in clauses (x) or (y)
         in Subsection 2.16(a) or any other circumstances arising after the
         Effective Date affecting such Lender or the interbank Eurodollar
         market or such Lender's position in such market, the Eurodollar Rate,
         as determined in good faith by the Agent, will not adequately and
         fairly reflect the cost to such Lender of funding its Eurodollar
         Loans, then, and in any such event:

                          (i)     the Agent shall forthwith give notice (by
                 telephone confirmed in writing) to the Company and to the
                 Lenders of such advice;





                                      -37-
<PAGE>   45
                          (ii)    the Company's right to request and such
                 Lender's obligation to make Eurodollar Loans shall be
                 immediately suspended, any such Eurodollar Loan that is
                 requested (by continuation, conversion or otherwise) shall
                 instead be made as a Base Rate Loan, and any such outstanding
                 Eurodollar Loan shall be converted, on the last day of the
                 then current Interest Period applicable thereto, to a Base
                 Rate Loan.

                 (c)      Capital Adequacy.  If, by reason of (i) after the
         date hereof, the introduction of or any change (including, but not
         limited to, any change by way of imposition or increase of reserve
         requirements) in or in the interpretation of any law or regulation, or
         (ii) the compliance with any guideline or request from any central
         bank or other governmental authority or quasi-governmental authority
         exercising control over banks or financial institutions generally
         (whether or not having the force of law) affects or would affect the
         amount of capital required to be maintained by any Lender or any
         corporation controlling such Lender, and the amount of such capital is
         increased by or based upon the existence of such Lender's Commitment
         to lend hereunder and other commitments of this Type or of the Letters
         of Credit (or similar contingent obligations), then, within 30 days
         after written request therefor by such Lender (with a copy of such
         request to the Agent), the Company shall pay to such Lender, from time
         to time as specified by such Lender, additional amounts sufficient to
         compensate such Lender for the increased cost of such additional
         capital in light of such circumstances, to the extent that such Lender
         reasonably determines such increase in capital to be allocable to the
         existence of such Lender's Commitment to lend hereunder or to the
         issuance or maintenance of the Letters of Credit.  A certificate as to
         such amounts and the calculation thereof, submitted to the Company and
         the Agent by such Lender, shall be conclusive and binding for all
         purposes, absent manifest error, provided that the determination of
         such amount shall be made in good faith in a manner generally
         consistent with such Lender's standard practice.

                 (d)      Issuing Bank.  The rights and benefits of the Lenders
         under this Section 2.16 shall also apply to any Issuing Bank in its
         capacity as such.

                 (e)      Notice.  The Company shall not be obligated to
         compensate any Lender pursuant to this Section 2.16 for any amounts
         attributable to a period more than 90 days prior to the giving of
         notice by such Lender to the Company of its intention to seek
         compensation under this Section 2.16.

         Section 2.17     Change of Lending Office.  Each Lender agrees that it
will use reasonable efforts to designate an alternate Lending Office with
respect to any of its Eurodollar Loans affected by the matters or circumstances
described in Sections 2.14, 2.15 or 2.16 to reduce the liability of the Company
or avoid the results provided thereunder, so long as such designation is not
disadvantageous to such Lender as determined by such Lender in its sole
discretion; provided that such Lender shall have no obligation to so designate
an alternate Lending Office located in the United States.

         Section 2.18     Funding Losses.  The Company shall compensate each
Lender, upon its written request (which request shall set forth the basis for
requesting such amounts and which request shall be reasonably exercised and
shall, absent manifest error, be final, conclusive and binding upon all of the
parties hereto), for all losses, expenses and liabilities (including, but not
limited to, any interest paid by such Lender to lenders of funds borrowed by it
to make or carry its Eurodollar Loans to the extent not recovered by the Lender
in connection with the re-employment of such funds and including loss of
anticipated profits), which the Lender may sustain:  (i) if for any reason
(other than a default by such





                                      -38-
<PAGE>   46
Lender) a Borrowing of Eurodollar Loans does not occur on the date specified
therefor in a Borrowing Request (whether or not withdrawn), (ii) if any
repayment (or conversion pursuant to Section 2.16) of any of its Eurodollar
Loans occurs on a date which is not the last day of an Interest Period
applicable thereto, or (iii) if, for any reason, the Company defaults in its
obligation to repay its Eurodollar Loans when required by the terms of this
Agreement.

         Section 2.19     Sharing of Payments, etc.  If any Lender shall obtain
any payment or reduction (including, but not limited to, any amounts received
as adequate protection of a deposit treated as cash collateral under the
Bankruptcy Code) of any obligation of the Company hereunder (whether voluntary,
involuntary, through the exercise of any right of set-off, or otherwise) in
excess of its ratable share of payments or reductions on account of such
obligations obtained by all the Lenders, such Lender shall forthwith (i) notify
each of the other Lenders and the Agent of such receipt, and (ii) purchase from
the other Lenders such participations in the affected obligations as shall be
necessary to cause such purchasing Lender to share the excess payment or
reduction, net of costs incurred in connection therewith, ratably with each of
them, provided that if all or any portion of such excess payment or reduction
is thereafter recovered from such purchasing Lender or additional costs are
incurred, the purchase shall be rescinded and the purchase price restored to
the extent of such recovery or such additional costs, but without interest.
The Company agrees that any Lender so purchasing a participation from another
Lender pursuant to this Section may, to the fullest extent permitted by law,
exercise all its rights of payment (including the right of set-off) with
respect to such participation as fully as if such Lender were the direct
creditor of the Company in the amount of such participation.

         Section 2.20     E&P Loan Value.

                 (a)      Redetermination Date; Initial E&P Loan Value.  The
         E&P Loan Value shall be determined in accordance with Section 2.20(b)
         by the Agent with the concurrence of the Majority Lenders and is
         subject to redetermination in accordance with Section 2.20(d).  Upon
         any redetermination of the E&P Loan Value, such redetermination shall
         remain in effect until the next successive Redetermination Date.
         "Redetermination Date" shall mean the date that the redetermined E&P
         Loan Value becomes effective subject to the notice requirements
         specified in Section 2.20(e) both for scheduled redeterminations and
         unscheduled redeterminations.  During the period from and after the
         Closing Date until September 1, 1994 unless redetermined pursuant to
         any unscheduled redeterminations, the amount of the E&P Loan Value
         shall be $31,700,000.

                 (b)      Redetermination.  Upon receipt of the Reserve Reports
         by the Agent, the Agent will redetermine the E&P Loan Value.  Such
         redetermination by the Agent, in its sole discretion, will be in
         accordance with its normal and customary procedures for evaluating oil
         and gas reserves and other related assets as such exist at that
         particular time.  The Agent shall propose to the Lenders a new E&P
         Loan Value within 15 days following receipt by the Agent and the
         Lenders of the complete Reserve Reports.  After having received notice
         of such proposal by the Agent, the Majority Lenders shall have ten
         days to agree or disagree with such proposal.  If at the end of the
         ten days, the Majority Lenders have not communicated their approval or
         disapproval, such silence shall be deemed to be an approval and the
         Agent's proposal shall be the new E&P Loan Value.  If however, the
         Majority Lenders notify Agent within ten days of their disapproval,
         the Majority Lenders shall, within a reasonable period of time, agree
         on a new E&P Loan Value.





                                      -39-
<PAGE>   47
                 (c)      Exclusion of Certain Property.  The Agent in its
         reasonable discretion, may exclude any Oil and Gas Property or portion
         of production therefrom or any income from any other Property from the
         E&P Loan Value, at any time and for any reason, including, but not
         limited to, the following:  the title information for such Property is
         not satisfactory, such Property is not Mortgaged Property, such
         Property is located outside of the United States of America, or such
         Property is not assignable.

                 (d)      Time of Redetermination, etc.  So long as any of the
         Commitments are in effect and so long as there remains any Revolving
         Credit Exposure as to any Lender, on or around the first Business Day
         of each September 1 and March 1, commencing September 1, 1994 (each
         being a "Scheduled Redetermination Date"),  the Agent and the Lenders
         shall redetermine the amount of the E&P Loan Value in accordance with
         Section 2.20(b).  In addition, the Agent may initiate, with the
         concurrence of the Majority Lenders, a redetermination of the E&P Loan
         Value at any other time as they so elect one unscheduled
         redetermination during any consecutive twelve (12) month period by
         specifying in writing to the Borrower the date on which the Borrower
         is to furnish a Reserve Report and the date on which such
         redetermination is to occur.  The Company may initiate up to two
         additional redeterminations of the E&P Loan Value in any calendar
         year.  Each such request shall be accompanied by a Reserve Report and
         a $10,000 redetermination fee for the account of the Agent.  In the
         event of any such unscheduled redetermination, the Agent and the
         Lenders shall redetermine the amount of the E&P Loan Value in
         accordance with Section 2.20(b).

                 (e)      Notice by Agent.  The Agent shall promptly notify in
         writing the Borrower and the Lenders of the new E&P Loan Value.  Any
         redetermination of the E&P Loan Value shall not be in effect until
         written notice is received by the Borrower.

         Section 2.21     Taxes.

                 (a)      Payments Free and Clear.  Any and all payments by the
         Company under this Agreement or any other Financing Document shall be
         made, in accordance with Section 2.13, free and clear of and without
         deduction for any and all present or future taxes, levies, imposts,
         deductions, charges or withholdings, and all liabilities with respect
         thereto, excluding, in the case of each Lender, the Agent and each
         Issuing Bank, taxes imposed on its income, and franchise or similar
         taxes imposed on it, by (i) any jurisdiction (or political subdivision
         thereof) of which the Agent, such Issuing Bank or such Lender, as the
         case may be, is a citizen or resident or in which such Lender has a
         permanent establishment (or is otherwise engaged in the active conduct
         of its banking business through an office or a branch) which is such
         Lender's applicable Lending Office, (ii) the jurisdiction (or any
         political subdivision thereof) in which the Agent, such Issuing Bank
         or such Lender is organized, or (iii) any jurisdiction (or political
         subdivision thereof) in which such Lender, such Issuing Bank or the
         Agent is presently doing business which taxes are imposed solely as a
         result of doing business in such jurisdiction  (all such non-excluded
         taxes, levies, imposts, deductions, charges, withholdings and
         liabilities so arising out of payments by the Company being
         hereinafter referred to as "Taxes").  If the Company shall be required
         by law to deduct any Taxes from or in respect of any sum payable
         hereunder to the Lenders, the Issuing Banks or the Agent (i) the sum
         payable shall be increased by the amount necessary so that after
         making all required deductions (including deductions applicable to
         additional sums payable under this Section 2.21) such Lender, such
         Issuing Bank or the Agent (as the case may be) shall receive an amount
         equal to the sum it would have received had no such deductions been
         made, (ii) the





                                      -40-
<PAGE>   48
         Company shall make such deductions and (iii) the Company shall pay the
         full amount deducted to the relevant taxing authority or other
         Governmental Authority in accordance with applicable law.

                 (b)      Other Taxes.  In addition, the Company agrees to pay
         any present or future stamp or documentary taxes or any other excise
         or property taxes, charges or similar levies that arise from any
         payment made hereunder or from the execution, delivery or registration
         of, or otherwise with respect to, this Agreement, any Assignment and
         Acceptance or any other Financing Document (hereinafter referred to as
         "Other Taxes").

                 (C)      INDEMNIFICATION.  THE COMPANY WILL INDEMNIFY EACH
         LENDER, EACH ISSUING BANK AND THE AGENT FOR THE FULL AMOUNT OF TAXES
         AND OTHER TAXES (INCLUDING, BUT NOT LIMITED TO, ANY TAXES OR OTHER
         TAXES IMPOSED BY ANY JURISDICTION ON AMOUNTS PAYABLE UNDER THIS
         SECTION 2.21) PAID BY SUCH LENDER OR SUCH ISSUING BANK OR THE AGENT
         (ON THEIR BEHALF OR ON BEHALF OF ANY LENDER), AS THE CASE MAY BE, AND
         ANY LIABILITY (INCLUDING PENALTIES, INTEREST AND EXPENSES) ARISING
         THEREFROM OR WITH RESPECT THERETO, WHETHER OR NOT SUCH TAXES OR OTHER
         TAXES WERE CORRECTLY OR LEGALLY ASSERTED.  ANY PAYMENT PURSUANT TO
         SUCH INDEMNIFICATION SHALL BE MADE WITHIN 30 DAYS AFTER THE DATE ANY
         LENDER, ANY ISSUING BANK OR THE AGENT, AS THE CASE MAY BE, MAKES
         WRITTEN DEMAND THEREFOR.  IF ANY LENDER, ANY ISSUING BANK OR THE AGENT
         RECEIVES A REFUND OR CREDIT IN RESPECT OF ANY TAXES OR OTHER TAXES FOR
         WHICH SUCH LENDER, SUCH ISSUING BANK OR THE AGENT HAS RECEIVED PAYMENT
         FROM THE COMPANY HEREUNDER IT SHALL PROMPTLY NOTIFY THE COMPANY OF
         SUCH REFUND OR CREDIT AND SHALL, WITHIN 30 DAYS AFTER RECEIPT OF A
         REQUEST BY THE COMPANY (OR PROMPTLY UPON RECEIPT, IF THE COMPANY HAS
         REQUESTED APPLICATION FOR SUCH REFUND OR CREDIT PURSUANT HERETO), PAY
         AN AMOUNT EQUAL TO SUCH REFUND OR CREDIT TO THE COMPANY WITHOUT
         INTEREST (BUT WITH ANY INTEREST SO REFUNDED OR CREDITED), PROVIDED
         THAT THE COMPANY, UPON THE REQUEST OF SUCH LENDER, SUCH ISSUING BANK
         OR THE AGENT, AGREES TO RETURN SUCH REFUND OR CREDIT (PLUS PENALTIES,
         INTEREST OR OTHER CHARGES) TO SUCH LENDER, SUCH ISSUING BANK OR THE
         AGENT IN THE EVENT SUCH LENDER, SUCH ISSUING BANK OR THE AGENT IS
         REQUIRED TO REPAY SUCH REFUND OR CREDIT.

                 (d)      Receipts.  Within 30 days after the date of any
         payment of Taxes or Other Taxes withheld by the Company in respect of
         any payment to any Lender, any Issuing Bank or the Agent, the Company
         will furnish to the Agent the original or a certified copy of a
         receipt evidencing payment thereof.

                 (e)      Survival.  Without prejudice to the survival of any
         other agreement contained herein, the agreements and obligations
         contained in this Section 2.21 shall survive the payment in full of
         principal and interest hereunder.

                 (f)      Lender Representations.  Each Lender represents that
         it is either (i) a corporation organized under the laws of the United
         States of America or any state thereof or (ii) it is entitled to
         complete exemption from United States withholding tax imposed on or
         with respect to any payments, including fees, to be made to it
         pursuant to this Agreement (A) under an applicable provision of a tax
         convention to which the United States of America is a party or (B)
         because it is acting through a branch, agency or office in the United
         States of America and any payment to





                                      -41-
<PAGE>   49
         be received by it hereunder is effectively connected with a trade or
         business in the United States of America.  Each Lender that is not a
         corporation organized under the laws of the United States of America
         or any state thereof agrees to provide to the Company and the Agent on
         the Effective Date, or on the date of its delivery of the Assignment
         and Acceptance pursuant to which it becomes a Lender, and at such
         other times as required by United States law or as the Company or the
         Agent shall reasonably request, two accurate and complete original
         signed copies of either (A) Internal Revenue Service Form 4224 (or
         successor form) certifying that all payments to be made to it
         hereunder will be effectively connected to a United States trade or
         business (the "Form 4224 Certification") or (B) Internal Revenue
         Service Form 1001 (or successor form) certifying that it is entitled
         to the benefit of a provision of a tax convention to which the United
         States of America is a party which completely exempts from United
         States withholding tax all payments to be made to it hereunder (the
         "Form 1001 Certification").  In addition, each Lender agrees that if
         it previously filed a Form 4224 Certification it will deliver to the
         Company and the Agent a new Form 4224 Certification prior to the first
         payment date occurring in each of its subsequent taxable years; and if
         it previously filed a Form 1001 Certification, it will deliver to the
         Company and the Agent a new certification prior to the first payment
         date falling in the third year following the previous filing of such
         certification.  Each Lender also agrees to deliver to the Company and
         the Agent such other or supplemental forms as may at any time be
         required as a result of changes in applicable law or regulation in
         order to confirm or maintain in effect its entitlement to exemption
         from United States withholding tax on any payments hereunder, provided
         that the circumstances of the Lender at the relevant time and
         applicable laws permit it to do so.  If a Lender determines, as a
         result of any change in either (i) applicable law, regulation or
         treaty, or in any official application thereof or (ii) its
         circumstances, that it is unable to submit any form or certificate
         that it is obligated to submit pursuant to this Section, or that it is
         required to withdraw or cancel any such form or certificate previously
         submitted, it shall promptly notify the Company and the Agent of such
         fact.  If a Lender is organized under the laws of a jurisdiction
         outside the United States of America, unless the Company and the Agent
         have received a Form 1001 Certification or Form 4224 Certification
         satisfactory to them indicating that all payments to be made to such
         Lender hereunder are not subject to United States withholding tax, the
         Company shall withhold taxes from such payments at the applicable
         statutory rate, provided that such withholding shall not increase the
         amount of payments for the account of such Lender to be made by the
         Company pursuant to Subsection 2.21(a).  Each Lender agrees to
         indemnify and hold harmless from any United States taxes, penalties,
         interest and other expenses, costs and losses incurred or payable by
         (i) the Agent as a result of such Lender's failure to submit any form
         or certificate that it is required to provide pursuant to this Section
         or (ii) the Company or the Agent as a result of their reliance on any
         such form or certificate which it has provided to them pursuant to
         this Section.

                 (g)      Efforts to Avoid or Reduce.  Any Lender claiming any
         additional amounts payable pursuant to this Section 2.21 shall use
         reasonable efforts (consistent with legal and regulatory restrictions)
         to file any certificate or document requested by the Company or the
         Agent or to change the jurisdiction of its applicable Lending Office
         or to contest any tax imposed if the making of such a filing or change
         or contesting such tax would avoid the need for or reduce the amount
         of any such additional amounts that may thereafter accrue and would
         not, in the sole determination of such Lender, be otherwise
         disadvantageous to such Lender.

         Section 2.22     Pro Rata Treatment.  Except as required under Section
2.15 or 2.16, each Borrowing, each payment or prepayment of principal of any
Borrowing, each payment of interest on the





                                      -42-
<PAGE>   50
Loans, each payment of the fees, each reduction of the Commitments, and each
refinancing of any Borrowing with, conversion of any Borrowing to or
continuation of any Borrowing as a Borrowing of any Type shall be allocated
ratably and pro rata among the Lenders in accordance with their respective
Percentage Share.  Each Lender agrees that in computing such Lender's portion
of any Borrowing to be made hereunder, the Agent may, in its discretion, round
each Lender's portion of such Borrowing to the next higher or lower whole
dollar amount.

         Section 2.23     Disposition of Proceeds.  The E&P Mortgage contains
an assignment by Tesoro E&P to the Agent of all production and all proceeds
attributable thereto which may be produced from or allocated to the Oil and Gas
Properties described therein, and the E&P Mortgage further provides in general
for the application of such proceeds to the satisfaction of the indebtedness,
liabilities and obligations described therein and secured thereby.
Notwithstanding such assignment in such E&P Mortgage, the Agent, the Issuing
Banks and the Lenders hereby grant to Tesoro E&P a license to receive, collect
and use the proceeds attributable to such production and agree not to notify
the purchaser or purchasers of such production and not to take any other action
to cause such proceeds to be remitted to the Agent, the Issuing Banks or the
Lenders, in each case unless and until an Event of Default has occurred and is
continuing; provided that so long as no Default has occurred and is continuing,
the Agent shall execute and deliver a letter in the form of Exhibit I to such
Persons as the Company may direct; provided, further, if the Agent, any Issuing
Bank or any Lender shall receive any such proceeds directly from any such
purchaser prior to the occurrence and continuation of a Default, then such
Person so receiving such proceeds shall notify the Company thereof and upon
request of the Company and pursuant to its written instructions shall promptly
remit such proceeds to the Company for the account of Tesoro E&P.

         Section 2.24     Senior Debt.  The Lender Indebtedness is Senior Debt
as such term is defined in that certain Subordination Agreement dated December
15, 1993, among the Company, Tesoro Alaska, and the State of Alaska, attached
as Exhibit 7 to the Settlement Agreement dated December 15, 1992, among the
Company, Tesoro Alaska, and the State of Alaska.


                                  ARTICLE III

                        CONDITIONS TO BORROWINGS AND TO
                      PURCHASE, RENEWAL AND REARRANGEMENT

         The obligation of each Lender to make a Loan or an Issuing Bank to
issue a Letter of Credit hereunder is subject to the satisfaction of the
following conditions:

         Section 3.01     Closing.  The Company shall have delivered to the
Agent (unless waived by the Agent) at least three Business Days' advance
written notice of the proposed Effective Date, which shall be a Business Day
not later than 10 days from the Closing Date, for the delivery of all
instruments, certificates and opinions referred to in Section 3.02 not
theretofore delivered.

         Section 3.02     Conditions Precedent to Initial Loan.  At the time of
the making by such Lender of its initial Loan hereunder or the issuance by such
Issuing Bank of the initial Letter of Credit (including, but not limited to,
the assumption by the Lenders of the Outstanding Letters of Credit), all
obligations of the Company hereunder to the Agent or any Lender incurred prior
to such initial Loan or Letter of Credit (including, but not limited to, the
Company's obligation to reimburse the reasonable fees and





                                      -43-
<PAGE>   51
disbursements of counsel to the Agent for which the Company has been provided
an invoice and any fees payable to the Lenders or the Agent on or before the
Effective Date), shall have been paid in full, and the Agent shall have
received the following, each dated as of the Closing Date, in form and
substance satisfactory to the Agent, with an original thereof for the Agent and
with sufficient copies thereof for each Lender (except that in the case of the
Notes, the originals thereof will be delivered to the respective Lenders):

                 (a)      Notes - A duly completed and executed Revolving
         Credit Note for each Lender and in each case payable to the order of
         the Agent for the benefit of such Lender.

                 (b)      Resolutions and Incumbency Certificates -

                          (i)     certified copies of the resolutions of the
                 Board of Directors of the Company and its Subsidiaries that
                 are parties to any Financing Document approving, as
                 appropriate, the Loans, the Notes, this Agreement and the
                 other Financing Documents, and all other documents, if any, to
                 which the Company or such Subsidiary is a party evidencing
                 corporate authorization with respect to such documents;

                          (ii)    a certificate of the Secretary or an
                 Assistant Secretary of the Company certifying (A) the name,
                 title and true signature of each officer of such Person
                 authorized to execute the Notes, this Agreement, Applications
                 and the other Financing Documents to which it is a party, (B)
                 the name, title and true signature of each officer of such
                 Person authorized to provide the certifications required
                 pursuant to this Agreement including, but not limited to,
                 certifications required pursuant to Section 5.02, Borrowing
                 Requests, and Borrowing Base Reports, and (C) that attached
                 thereto is a true and complete copy of the articles of
                 incorporation and bylaws of the Company, as amended to date,
                 and a recent good standing certificate; and

                          (iii)   a certificate of the Secretary or an
                 Assistant Secretary of each Subsidiary that is a party to any
                 Financing Document certifying (x) the name, title and true
                 signature of each officer of each Subsidiary authorized to
                 execute each such Financing Document to which it is a party,
                 and (y) that attached thereto is a true and complete copy of
                 the articles of incorporation and bylaws of such Subsidiary,
                 as amended to date, and a recent good standing certificate.

                 (c)      Opinions of Counsel - The following opinions of
         counsel, in each case addressed to the Agent, the Issuing Bank and
         each of the Lenders and covering such other matters as any Lender
         through the Agent, the Issuing Bank or the Agent may reasonably
         request:

                          (i) Fulbright & Jaworski, L.L.P., counsel to the
                 Company and its Subsidiaries, substantially in the form of
                 Exhibit E-1 hereto;

                          (ii) James C. Reed, Jr., special counsel to the
                 Company, substantially in the form of Exhibit E-2 hereto; and

                          (iii) Groh, Eggers & Price, local Alaska counsel to
                 the Company, substantially in the form of Exhibit E-3 hereto.





                                      -44-
<PAGE>   52
                 (d)      The Security Instruments -

                          (i)     Guaranty Agreement;

                          (ii)    Subrogation and Contribution Agreement dated
                 as of the Closing Date among the Guarantors;

                          (iii)   Security Agreements dated as of the Closing
                 Date executed by each of the Company, Tesoro E&P, Tesoro
                 Alaska, Tesoro R&M and Tesoro Petroleum Distributing Company,
                 a Delaware corporation, granting to the Agent a first priority
                 security interest in all personal Property described therein
                 of each such Person, as security for the indebtedness
                 respectively defined therein as the "Obligations;"

                          (iv)    Pledge Agreements dated as of the Closing
                 Date executed by the Company granting to the Agent a first
                 priority security interest in 100% of the capital stock of
                 Tesoro Alaska, Tesoro R&M, and Tesoro Alaska Pipeline Company,
                 a Delaware corporation, as security for the Lender
                 Indebtedness;

                          (v)     the Alaska Deed of Trust;

                          (vi)    the E&P Mortgage;

                          (vii)   Financing Statements, as appropriate, to
                 perfect the security interests created by the instruments
                 delivered under clauses (iii) through (vi) above;

                          (viii)  Stock certificates and corresponding stock
                 powers to perfect the Agent's security in the stock pledged by
                 the instrument delivered under clause (iv) above;

                          (ix)    all Property in which the Agent shall, at
                 such time, be entitled to have a Lien pursuant to this
                 Agreement or any other Financing Document shall have been
                 physically delivered to the possession of the Agent or any
                 bailee accepted by the Agent to the extent that such
                 possession is necessary for the purpose of perfecting the
                 Agent's Lien in such collateral security; and

                          (x)     the Cash Collateral Account Agreement
                 described in the definition of "Cover".

                 (e)      Insurance.   A certificate of insurance coverage of
         the Borrower evidencing that the Borrower is carrying insurance in
         accordance with Section 5.01(e) hereof.  In addition, the Agent shall
         have received evidence satisfactory to the Agent that the Kenai
         Refinery and Tesoro Terminals are not situated in an area that has
         been identified by the Director of the Federal Emergency Management
         Agency or any other Governmental Authority as an area having special
         flood hazards.  Should it be determined, however, that any of the
         Kenai Refinery or Tesoro Terminals are situated in an area identified
         as having special flood hazards, the Agent shall have received a copy
         of the applicable flood insurance policies (or policy applications),
         in form and substance satisfactory to the Agent, indicating that the
         maximum limits of coverage have been obtained and that the full
         premium therefor has been paid in full.





                                      -45-
<PAGE>   53
                 (f)      Title Opinions.  Title opinions as the Agent may
         require from attorneys satisfactory to the Agent setting forth the
         status of title to the Oil and Gas Properties that constitute a part
         of the Mortgaged Property.

                 (g)      Title Insurance; Survey.   A Mortgagee's Policy of
         Title Insurance in form and substance satisfactory to the Agent
         insuring the lien granted pursuant to the Alaska Deed of Trust and a
         current survey covering the Refinery Premises.

                 (h)      Environmental Report.  A review by Pilko &
         Associates, Inc. of prior environmental site assessments for the Kenai
         Refinery and such other reviews or further assessments that may be
         determined to be required by the Agent, in its sole discretion, to
         assess existence of any environmental items which could reasonably be
         expected to have a Material Adverse Affect.

                 (i)      Miscellaneous.  Such other documents or conditions
         precedent which the Agent may reasonably have requested or require in
         its sole discretion.

         Section 3.03     Conditions Precedent to Each Loan.  At the time of
the making by such Lender of each Loan, including the initial Loan but not
including continuations or conversions pursuant to Section 2.11 (before as well
as after giving effect to such Loan and to the proposed use of the proceeds
thereof):

                 (a)      Notes.  The Company shall have issued, executed and
         delivered the Notes;

                 (b)      No Default.  There shall exist no Default or Event of
         Default;

                 (c)      Representations and Warranties.  Except for facts
         timely disclosed to the Agent from time to time in writing, not
         materially more adverse to the Company and its Subsidiaries than those
         existing on the Effective Date, all representations and warranties
         contained herein and in the other Financing Documents executed and
         delivered on or after the date hereof shall be true and correct in all
         material respects with the same effect as though such representations
         and warranties had been made on and as of the date of such Loan; and

                 (d)      Documentation.  The Agent shall have received such
         other documents as the Agent or any Lender or special counsel to the
         Agent may reasonably request, all in form and substance satisfactory
         to the Agent.

         Each Borrowing Request submitted by the Company, and the acceptance by
the Company of the proceeds of such Borrowing (but not including continuations
or conversions pursuant to Section 2.11), shall constitute a representation and
warranty by the Company, as of the date of the Loans comprising such Borrowing,
that the conditions specified in Subsections 3.03(b) and (c) have been
satisfied.

         Section 3.04     Recordings.  The Security Instruments and
accompanying financing statements covering the Mortgaged Property, or other
notices related thereto if necessary or appropriate, shall have been duly
delivered by the Agent to the appropriate offices for filing or recording.

         Section 3.05     Activation of Term Loan Commitments.  At the time of
the activation by the Company of the Term Loan Commitments, the Agent and, as
appropriate, each Lender shall have





                                      -46-
<PAGE>   54
received the following, each dated as of the date on which the Term Loan
Commitments are activated pursuant to Subsection 2.01(e), in form and substance
satisfactory to the Agent, with an original thereof for the Agent and with
sufficient copies thereof for each Lender:

                 (a)      Term Notes - A duly completed and executed Term Loan
         Note for each Lender and in each case payable to the order of the
         Agent for the benefit of such Lender.

                 (b)      Notice of Activation - Notice, in the form of Exhibit
         H, that the Term Loan Commitments have been activated pursuant to
         Subsection 2.01(e).

                 (c)      Termination of AIDA Financing - Evidence satisfactory
         to the Agent that the Indebtedness permitted by Subsection
         5.04(a)(xii) has not been utilized and any commitments in connection
         therewith have been terminated.


                                   ARTICLE IV

                         REPRESENTATIONS AND WARRANTIES

         In order to induce the Lenders to enter into this Agreement, the
Company represents and warrants to the Lenders (which representations and
warranties will survive the delivery of the Notes) that:

         Section 4.01     Corporate Existence.  The Company and each of its
Subsidiaries are corporations duly organized, legally existing and in good
standing under the laws of the jurisdictions in which they are incorporated and
are duly qualified as foreign corporations in all jurisdictions wherein the
Property owned or the business transacted by them makes such qualification
necessary, except where the failure to be so qualified would not have a
Material Adverse Effect.

         Section 4.02     Corporate Power and Authorization.  The Company is
authorized and empowered to create and issue the Notes; the Company and each of
its Subsidiaries are duly authorized and empowered to execute, deliver and
perform the Financing Documents, including this Agreement, to which they
respectively are parties; and all corporate action on the Company's part
requisite for the due creation and issuance of the Notes on the Company's and
each of its Subsidiaries' respective part requisite for the due execution,
delivery and performance of the Financing Documents, including this Agreement,
to which the Company and each of its Subsidiaries respectively are parties has
been duly and effectively taken.

         Section 4.03     Binding Obligations.  This Agreement does, and the
Notes and other Financing Documents to which the Company and each of its
Subsidiaries respectively are parties upon their creation, issuance, execution
and delivery will, when issued and delivered under this Agreement, constitute
valid and binding obligations of the Company and each such Subsidiary that is a
party thereto, respectively, and will be enforceable in accordance with their
respective terms (except that enforcement may be subject to any applicable
bankruptcy, insolvency or similar laws generally affecting the enforcement of
creditors' rights and subject to the availability of equitable remedies).

         Section 4.04     No Legal Bar or Resultant Lien.  The Notes and the
other Financing Documents, including this Agreement, to which the Company or
any of its Subsidiaries is a party do not and will not violate or create a
default under any provisions of the articles or certificate of incorporation or
bylaws of the Company or any of its Subsidiaries, or any contract, agreement,
instrument or Governmental





                                      -47-
<PAGE>   55
Requirement to which the Company or any of its Subsidiaries is subject, or
result in the creation or imposition of any Lien upon any Properties of the
Company or any of its Subsidiaries, other than those violations and defaults
that would not affect the Company's or such Subsidiaries' use of such
Properties or those permitted by this Agreement.

         Section 4.05     No Consent.  Except as set forth on Schedule 4.05,
the Company's and each of its Subsidiaries' respective execution, delivery and
performance of the Notes and the other Financing Documents, including this
Agreement, to which the Company and each such Subsidiary respectively are
parties do not require notice to or filing or registration with, or the
authorization, consent or approval of or other action by any other Person,
including, but not limited to, any Governmental Authority.

         Section 4.06     Financial Information.

                 (a)      Annual Financial Statements.  The consolidated
         balance sheet of the Company and its Subsidiaries as of December 31,
         1993, and the related consolidated statements of income, retained
         earnings and cash flows for the 12-month period then ended, including
         in each case the related schedules and notes, reported on by Deloitte
         & Touche, true copies of which have been previously delivered to each
         of the Lenders, fairly present the consolidated financial condition of
         the Company and its Subsidiaries as at the date thereof and the
         consolidated results of operations and the cash flows for such period,
         in accordance with generally accepted accounting principles applied on
         a consistent basis.  The unaudited consolidating balance sheet of the
         Consolidating Statement Entities as of December 31, 1993, and the
         related unaudited consolidating statements of income and cash flows,
         which shall be delivered to each Lender as soon as available and in
         any event within 90 days of the Closing Date and certified to by a
         Responsible Officer, form the basis of the Company's consolidated
         financial statements and are fairly stated in all material respects
         when considered in relation thereto.

                 (b)      No Material Adverse Effect.  Since December 31, 1993,
         there has been no event or occurrence that could reasonably be
         expected to have a Material Adverse Effect.

         Section 4.07     Investments and Guaranties.  At the date of this
Agreement, neither the Company nor any of its Subsidiaries has made investments
in or advances to any Person or guaranties of the obligations of any Person
that is not a Subsidiary of the Company, except those permitted by Subsections
5.04(e)(ii) through (vi), those reflected in the Financial Statements or
described in Schedule 4.07.

         Section 4.08     Litigation.  Except as set forth in Schedule 4.08,
there is no action, suit or proceeding, or any governmental investigation or
any arbitration, in each case pending or, to the knowledge of the Company,
threatened against the Company or any of its Subsidiaries or any material
Property of any thereof before any court or arbitrator or any Governmental
Authority which (i) challenges the validity of this Agreement, any Note, any
Application, the Guaranty Agreement, or any of the other Financing Documents or
(ii) if adversely determined would have a Material Adverse Effect.

         Section 4.09     Use of Proceeds.  The proceeds of the Revolving
Credit Loans will be used only to provide working capital and for general
corporate purposes.  The proceeds of the Term Loan  will be used only to
finance the addition of the Vacuum Unit to the Kenai Refinery and constitute
Expansion Debt as such term is defined in that certain Subordination Agreement
dated December 15, 1992, among the Company, Tesoro Alaska and the State of
Alaska attached as Exhibit 7 to the Settlement Agreement dated December 15,
1992, among the Company, Tesoro Alaska and the State of Alaska.  The Letters of
Credit





                                      -48-
<PAGE>   56
shall be used only for the purposes provided in Section 2.03.  Neither the
Company nor any of its Subsidiaries is engaged principally, or as one of its
important activities, in the business of extending credit for the purpose,
whether immediate, incidental or ultimate, of buying or carrying Margin Stock
(within the meaning of Regulation U or X) and no part of the proceeds of any
Loan hereunder will be used to buy or carry any Margin Stock.  Neither the
Company nor any Person acting on behalf of the Company has taken or will take
any action which might cause the Notes or any of the Financing Documents,
including this Agreement, to violate Regulation U or X or any other regulation
of the Board of Governors of the Federal Reserve System or to violate Section 7
of the Securities and Exchange Commission (or any successor thereto) or any
rule or regulation thereunder, in each case as now in effect or as the same may
hereinafter be in effect.

         Section 4.10     Compliance with ERISA.  Neither the Company, any of
its Subsidiaries nor any ERISA Affiliate sponsors, maintains or contributes to,
or has at any time in the six-year period preceding the date of this Agreement
sponsored, maintained or contributed to, any Plan, including, but not limited
to, any Plan which is a "multi-employer plan" as such term is defined in
Section 3(37) or 4001(a)(3) of ERISA.  Except as set forth in Schedule 4.10,
each Plan described in such schedule has been terminated with no resulting
liability to the PBGC.  No act, omission or transaction has occurred which
could result in imposition on the Company, any of its Subsidiaries or any ERISA
Affiliate (whether directly or directly) of (i) either a civil penalty assessed
pursuant to Sections 502(c) or 502(i) of ERISA or a tax imposed pursuant to
Section 4975 of the Code, or (ii) breach of fiduciary duty liability damages
under Section 409 of ERISA, which in each case would have a Material Adverse
Effect.

         Section 4.11     Taxes; Governmental Charges.  The Company and its
Subsidiaries have filed all tax returns and reports required to be filed and
have paid all taxes, assessments, fees and other governmental charges levied
upon any of them or upon any of their respective Properties or income which are
due and payable, including interest and penalties, or have provided adequate
reserves for the payment thereof if required in accordance with generally
accepted accounting principles for the payment thereof, except such interest
and penalties as are being contested in good faith by appropriate actions or
proceedings and for which adequate reserves for the payment thereof as required
by general accepted accounting principles have been provided.

         Section 4.12     Titles, etc.  The Company and its Subsidiaries have
indefeasible title to their respective material (individually or in the
aggregate) Properties, free and clear of all Liens except (i) Liens referred to
in the Financial Statements, (ii) Liens disclosed to the Lenders in Schedule
4.12, (iii) Liens and minor irregularities in title which do not materially
interfere with the occupation, use and enjoyment by the Company or any
Subsidiary of the Company of any of their respective Properties in the normal
course of business as presently conducted or materially impair the value
thereof for such business, or (iv) Liens otherwise permitted or contemplated by
this Agreement or the other Financing Documents.

         Section 4.13     Defaults.  Neither the Company nor any of its
Subsidiaries is in default nor has any event or circumstance occurred which,
but for the passage of time or the giving of notice, or both, would constitute
a default (in any respect that would have a Material Adverse Effect) under any
loan or credit agreement, indenture, mortgage, deed of trust, security
agreement or other instrument or agreement evidencing or pertaining to any
Indebtedness of the Company or any of its Subsidiaries, or under any material
agreement or instrument to which the Company or any of its  Subsidiaries is a
party or by which the Company or any of its Subsidiaries is bound, except as
disclosed to the Lenders in Schedule 4.13.  No Default hereunder has occurred
and is continuing.





                                      -49-
<PAGE>   57
         Section 4.14     Casualties; Taking of Properties.  Since the date of
the Financial Statements, neither the business nor the Properties of the
Company or any of its Subsidiaries have been affected in a manner that has had
or would have a Material Adverse Effect as a result of any fire, explosion,
earthquake, flood, drought, windstorm, accident, strike or other labor
disturbance, embargo, requisition or taking of Property or cancellation of
contracts, permits or concessions by any domestic or foreign government or any
agency thereof, riot, activities of armed forces or acts of God or of any
public enemy.

         Section 4.15     Compliance with the Law.  Neither the Company nor any
of its Subsidiaries:

                 (a)      is in violation of any Governmental Requirement; or

                 (b)      has failed to obtain any license, permit, franchise
         or other governmental authorization necessary to the ownership of any
         of their respective Properties or the conduct of their respective
         business;

which violation or failure would have (in the event that such a violation or
failure were asserted by any Person through appropriate action) a Material
Adverse Effect.

         Section 4.16     No Material Misstatements.  No information, exhibit
or report furnished to the Agent or the Lenders by or at the direction of the
Company or any of its Subsidiaries in connection with the negotiation of this
Agreement contained any material misstatement of fact or, when such statement
is considered with all other written statements furnished to the Lenders in
that connection, omitted to state a material fact or any fact necessary to make
the statement contained therein not misleading.

         Section 4.17     Investment Company Act.  The Company is not an
"investment company" or a company "controlled" by an "investment company" that
is incorporated in or organized under the laws of the United States or any
"State," as those terms are defined in the Investment Company Act of 1940, as
amended.  The execution and delivery by the Company and its Subsidiaries of
this Agreement and the other Financing Documents to which they respectively are
parties and their respective performance of the obligations provided for
therein, will not result in a violation of the Investment Company Act of 1940,
as amended.

         Section 4.18     Public Utility Holding Company Act.  The Company is
not a "holding company," or a "subsidiary company" of a "holding company," or
an "affiliate" of a "holding company" or of a "subsidiary company" of a
"holding company," or a "public utility" within the meaning of the Public
Utility Holding Company Act of 1935, as amended.

         Section 4.19     Subsidiaries.  The Company has no Subsidiaries except
those shown in Exhibit C hereto, which exhibit is complete and accurate.  The
Company owns 100% of all stock of the Subsidiaries listed in such Exhibit.

         Section 4.20     Insurance.  Schedule 4.20 attached hereto contains an
accurate and complete description of all material policies of fire, liability,
workmen's compensation, casualty, flood, business interruption and other forms
of insurance owned or held by the Company and each of its Subsidiaries.  All
such policies are in full force and effect, all premiums with respect thereto
have been paid in accordance with their respective terms, and no notice of
cancellation or termination has been received with respect to any such policy.
Such policies are sufficient for compliance with all requirements of law and of
all agreements to which the Company or any of its Subsidiaries is a party; are
valid, outstanding





                                      -50-
<PAGE>   58
and enforceable policies; provide adequate insurance coverage in at least such
amounts and against at least such risks (but including in any event public
liability) as are usually insured against in the same general area by companies
engaged in the same or a similar business for the assets and operations of the
Company and each of its Subsidiaries; and will not in any way be affected by,
or terminate or lapse by reason of, the transactions contemplated by this
Agreement.  Schedule 4.20 identifies all material risks, if any, which the
Company and its Subsidiaries and their respective Board of Directors or
officers have designated as being self insured.  Neither the Company nor any of
its Subsidiaries has been unable to obtain any insurance with respect to its
assets or operations, nor has its coverage been limited below usual and
customary policy limits during the last three years.

         Section 4.21     Mortgaged Property.  Substantially all of the
Mortgaged Property is described in and covered by the engineering or other
written reports which have previously been delivered to and relied upon by the
Lenders in connection with this Agreement.

         Section 4.22     Gas Imbalances.  Except as disclosed to the Agent in
Schedule 4.22, there are no gas imbalances, take or pay or other prepayments
owed by the Company in excess of $5,000,000 in the aggregate with respect to
any of the Mortgaged Property (or in the case of any of the Mortgaged Property
operated by a Person other than the Company or its Subsidiaries, to the best of
the Company's knowledge) which would require the Company or its Subsidiaries to
deliver Hydrocarbons produced from any of the Mortgaged Property at some future
time without then or thereafter receiving full payment therefor.

         Section 4.23     Environmental Matters.

                 (a)      Environmental Laws, etc.  Neither any Property of the
         Company or its Subsidiaries nor the operations conducted thereon
         violate any applicable order of any court or Governmental Authority or
         Environmental Laws, which violation could reasonably be expected to
         have a Material Adverse Effect or which could reasonably be expected
         to result in remedial obligations having a Material Adverse Effect
         assuming disclosure to the applicable Governmental Authority of all
         relevant facts, conditions and circumstances, if any, pertaining to
         the relevant Property.

                 (b)      No Litigation.  Without limitation of Subsection (a)
         above, no Property of the Company or its Subsidiaries nor the
         operations currently conducted thereon or by any prior owner or
         operator of such Property or operation, are in violation of or subject
         to any existing, pending or threatened action, suit, investigation,
         inquiry or proceeding by or before any court or Governmental Authority
         or to any remedial obligations under Environmental Laws, which
         violation, action, suit, investigation, inquiry or proceeding could
         reasonably be expected to have a Material Adverse Effect or which
         could reasonably be expected to result in remedial obligations having
         a Material Adverse Effect assuming disclosure to the applicable
         Governmental Authority of all relevant facts, conditions and
         circumstances, if any, pertaining to the relevant Property.

                 (c)      Notices, Permits, etc.  All notices, permits,
         licenses or similar authorizations, if any, required to be obtained or
         filed by the Company or its Subsidiaries in connection with the
         operation or use of any and all Property of the Company or its
         Subsidiaries, including but not limited to past or present treatment,
         storage, disposal or release of a hazardous substance or solid waste
         into the environment, have been duly obtained or filed except to the
         extent the failure to obtain or file such notices, permits, licenses
         or similar authorizations could not reasonably be





                                      -51-
<PAGE>   59
         expected to have a Material Adverse Effect or which could reasonably
         be expected to result in remedial obligations having a Material        
         Adverse Effect assuming disclosure to the applicable Governmental
         Authority of all relevant facts, conditions and circumstances, if any,
         pertaining to the relevant Property.

                 (d)      Hazardous Substances Carriers.  All hazardous
         substances or solid waste generated at any and all Property of the
         Company or its Subsidiaries have in the past been transported, treated
         and disposed of only by carriers maintaining valid permits under RCRA
         and any other Environmental Law, except to the extent the failure to
         have such substances or waste transported, treated or disposed by such
         carriers could not reasonably be expected to have a Material Adverse
         Effect, and only at treatment, storage and disposal facilities
         maintaining valid permits under RCRA and any other Environmental Law,
         which carriers and facilities have been and are operating in
         compliance with such permits, except to the extent the failure to have
         such substances or waste treated, stored or disposed at such
         facilities, or the failure of such carriers or facilities to so
         operate, could not reasonably be expected to have a Material Adverse
         Effect or which could reasonably be expected to result in remedial
         obligations having a Material Adverse Effect assuming disclosure to
         the applicable Governmental Authority of all relevant facts,
         conditions and circumstances, if any, pertaining to the relevant
         Property.

                 (e)      Hazardous Substances Disposal.  The Company and its
         Subsidiaries have taken all reasonable steps necessary to determine
         and have determined that no hazardous substances or solid waste have
         been disposed of or otherwise released and there has been no
         threatened release of any hazardous substances on or to any Property
         of the Company or its Subsidiaries except in compliance with
         Environmental Laws, except to the extent the failure to do so could
         not reasonably be expected to have a Material Adverse Effect or which
         could reasonably be expected to result in remedial obligations having
         a Material Adverse Effect assuming disclosure to the applicable
         Governmental Authority of all relevant facts, conditions and
         circumstances, if any, pertaining to the relevant Property.

                 (f)      OPA Requirements.  Except to the extent the failure
         to so comply would not have a Material Adverse Effect, to the extent
         applicable, the Company and its Subsidiaries have complied with all
         design, operation and equipment requirements imposed by OPA or
         scheduled to be imposed by OPA during the term of this Agreement, and
         the Company does not have reason to believe that either it or its
         Subsidiaries will not be able to maintain such compliance with OPA
         requirements during the term of this Agreement.

                 (g)      No Contingent Liability.  The Company and its
         Subsidiaries have no material contingent liability in connection with
         any release or threatened release of any hazardous substance or solid
         waste into the environment other than such contingent liabilities at
         any one time and from time to time which could reasonably be expected
         to exceed $1,500,000 in excess of applicable insurance coverage and
         for which adequate reserves for the payment thereof as required by
         GAAP have not been provided, or which could reasonably be expected to
         result in remedial obligations having a Material Adverse Effect
         assuming disclosure to the applicable Governmental Authority of all
         relevant facts, conditions and circumstances, if any, pertaining to
         such release or threatened release.





                                      -52-
<PAGE>   60
         Section 4.24     Recapitalization.  As of the Closing Date, the
Company has consummated the Recapitalization and all transactions required in
connection therewith.


                                   ARTICLE V

                                   COVENANTS

         Section 5.01     Certain Affirmative Covenants.  So long as any Lender
has any Commitment hereunder or any Loan remains unpaid or any Revolving Credit
Exposure remains outstanding, the Company will at all times comply with the
following covenants:

                 (a)      Maintenance and Compliance, etc.  The Company will
         and will cause each of its Subsidiaries to (i) except as permitted by
         Section 5.04(c), preserve and maintain its corporate existence, rights
         and franchises and (ii) observe and comply in all material respects
         with all Governmental Requirements, except where failure to do so
         could not reasonably be expected to have a Material Adverse Effect.

                 (b)      Payment of Taxes and Claims, etc.  The Company will
         pay, and cause each of its Subsidiaries to pay, (i) all taxes,
         assessments and governmental charges imposed upon it or upon its
         Property, and (ii) all claims (including, but not limited to, claims
         for labor, materials, supplies or services) which might, if unpaid,
         become a Lien upon its Property, unless, in each case, the validity or
         amount thereof is being contested in good faith by appropriate action
         or proceedings and the Company has established adequate reserves in
         accordance with GAAP with respect thereto.

                 (c)      Further Assurances.  The Company will and will cause
         each of its Subsidiaries to cure promptly any defects in the creation
         and issuance of the Notes, and the execution and delivery of the
         Financing Documents, including this Agreement.  The Company at its
         expense will, as promptly as practical, execute and deliver to the
         Agent or the applicable Issuing Bank upon request all such other and
         further documents, agreements and instruments (or cause any of its
         Subsidiaries to take such action) in compliance with or performance of
         the covenants and agreements of the Company or any of its Subsidiaries
         in the Financing Documents, including this Agreement, or to further
         evidence and more fully describe the collateral intended as security
         for the Notes or other Lender Indebtedness, or to correct any
         omissions in the Financing Documents, or more fully to state the
         security obligations set out herein or in any of the Financing
         Documents, or to perfect, protect or preserve any Liens created
         pursuant to any of the Financing Documents, or to make any recordings,
         to file any notices, or obtain any consents, all as may be necessary
         or appropriate in connection therewith.

                 (d)      Performance of Obligations.  The Company will pay the
         Notes according to the reading, tenor and effect thereof; and the
         Company will do and perform every act and discharge all of the
         obligations provided to be performed and discharged by the Company
         under the Financing Documents, including this Agreement, at the time
         or times and in the manner specified, and cause each of its
         Subsidiaries to take such action with respect to their obligations to
         be performed and discharged under the Financing Documents to which
         they respectively are parties.





                                      -53-
<PAGE>   61
                 (e)      Insurance.  The Company and its Subsidiaries will
         maintain or cause to be maintained, with financially sound and
         reputable insurers, insurance with respect to their respective
         Properties and business against such liabilities, casualties, risks
         and contingencies and in such types (including business interruption
         insurance and flood insurance) and amounts as is customary in the case
         of Persons engaged in the same or similar businesses and similarly
         situated or in accordance with any Governmental Requirement.  Upon
         request of the Agent, the Company will furnish or cause to be
         furnished to the Agent from time to time a summary of the insurance
         coverage of the Company and its Subsidiaries in form and substance
         reasonably satisfactory to the Agent and if requested will furnish the
         Agent copies of the applicable policies.  In the case of any fire,
         accident or other casualty causing loss or damage to any Properties of
         the Company, the proceeds of such policies shall be used, in the
         Company's sole discretion, (i) to reasonably promptly repair or
         replace the damaged Property, or (ii) to prepay the Lender
         Indebtedness.  The Company will obtain endorsements to the policies
         pertaining to all physical Properties in which the Agent or the
         Lenders shall have a Lien under the Financing Documents, naming the
         Agent as a loss payee and containing provisions that such policies
         will not be cancelled without 30 days prior written notice having been
         given by the insurance company to the Agent.

                 (f)      Accounts and Records.  The Company will keep and will
         cause each of its Subsidiaries to keep proper books of record and
         account in which full, true and correct entries will be made of all
         financial or business dealings or transactions in relation to their
         respective business and activities.

                 (g)      Right of Inspection.  The Company will permit and
         will cause each of its Subsidiaries to permit any officer, employee or
         agent of the Agent or any of the Lenders to visit and inspect any of
         the Properties of the Company or any of its Subsidiaries, examine the
         Company's or any such Subsidiary's books of record and accounts, take
         copies and extracts therefrom, and discuss the affairs, finances and
         accounts of the Company or any of its Subsidiaries with the Company's
         or such Subsidiary's officers, accountants and auditors, as often and
         all at such reasonable times during normal business hours as may be
         reasonably requested by the Agent or any of the Lenders.

                 (h)      Operation and Maintenance of Mortgaged Property and
         Compliance with Leases.  Subject to Subsection 5.01(j), the Company
         will, and will cause each of its Subsidiaries to, operate its
         Properties or cause its Properties to be operated in accordance with
         prudent industry practice and in compliance with all material terms
         and provisions of all applicable leases, contracts and agreements and
         in compliance with all applicable proration and conservation laws of
         the jurisdiction in which such Properties may be situated, and all
         applicable laws, rules and regulations of every other agency and
         authority from time to time constituted to regulate the development
         and operation of such Properties, and as to any Oil and Gas
         Properties, the production and sale of Hydrocarbons and other minerals
         therefrom.

                 (i)      Stock of Subsidiaries.  The Company will at all times
         own, directly or indirectly, 100% of all stock of all Guarantors,
         except as otherwise permitted pursuant to Subsection 5.04(c).

                 (j)      Certain Additional Assurances Regarding Maintenance
         and Operation of Properties.  With respect to those Properties of the
         Company or a Subsidiary of the Company which are being operated by
         operators other than the Company or such Subsidiary, the Company





                                      -54-
<PAGE>   62
         or such Subsidiary shall not be obligated, itself, to perform any
         undertakings contemplated by the covenants and agreements contained in
         Subsections 5.01(b), 5.01(e), and 5.01(h) which are performable only
         by such operators and are beyond the control of the Company or such
         Subsidiary; however, the Company agrees to promptly take and to cause
         such Subsidiary to promptly take all reasonable actions available
         under any operating agreements or otherwise to bring about the
         performance of any such undertakings required to be performed under
         such Subsections.

                 (k)      Designation of Subsidiaries as Additional Guarantors.
         If at any time the Majority Lenders, in their sole discretion, or the
         Company, with the approval of the Agent, designate any one or more
         Subsidiaries of the Company (other than a Non-Guarantor Subsidiary) to
         be additional Guarantors, the Company shall cause any such newly
         designated Guarantor to execute, within 30 days of such designation, a
         guaranty agreement in substantially the same form as the Guaranty
         Agreement executed by the Guarantors in connection with this
         Agreement.

                 (l)      Minimum Capital Expenditures.  The Company and each
         of its Subsidiaries shall make capital expenditures in accordance with
         prudent industry practice for the development of their Proved
         Undeveloped Hydrocarbon Reserves.

                 (m)      Payment of Charters and Tariffs.  The Company will
         pay, and will cause each of its Subsidiaries to pay before or when due
         (i) the amount owed for the time charter of any tanker or barge used
         to transport feedstocks, blendstocks or refined products and (ii) the
         tariff owed by any Inventory Borrowing Base party for the transport or
         storage of any inventory, including but not limited to, the tariff
         owed by Tesoro Alaska to the Trans-Alaska Pipeline System, unless in
         each case, the validity or amount thereof is being contested in good
         faith by appropriate action or proceedings and the Company has
         established appropriate reserves in accordance with GAAP.

                 (n)      Title Opinions.  Within 60 days of the Closing Date,
         the attorneys who furnished the title opinions required pursuant to
         Section 3.02(f) will provide to the Agent a supplemental opinion
         stating that there has been no change in the status of title from that
         reflected in such opinions through the filing and recordation of the
         E&P Mortgage and that, subject only to the liens referenced in such
         earlier title opinions, the Liens granted by the E&P Mortgage are
         first priority.

         Section 5.02     Reporting Covenants.  So long as any Lender has any
Commitment hereunder or any Loan remains unpaid or any Revolving Credit
Exposure remains outstanding, the Company will furnish to each Lender:

                 (a)      Annual Financial Statements.  As soon as available
         and in any event within 105 days after the end of each calendar year
         of the Company, a consolidated balance sheet of the Company and its
         Subsidiaries as at the end of such year and the related consolidated
         statements of income, retained earnings and cash flows of the Company
         and its Subsidiaries for such calendar year, setting forth in each
         case in comparative form the figures for the previous calendar year,
         all in reasonable detail and accompanied by a report thereon of
         Deloitte & Touche or other independent public accountants of
         comparable recognized national standing, which such report shall state
         that such consolidated financial statements present fairly the
         consolidated financial condition as at the end of such calendar year,
         and the consolidated results of operations and cash





                                      -55-
<PAGE>   63
         flows for such calendar year, of the Company and its Subsidiaries in
         accordance with GAAP, applied on a consistent basis.  At the same
         time, a consolidating balance sheet of the Consolidating Statement
         Entities as at the end of such year and related consolidating
         statements of income and cash flows for such calendar year,
         accompanied by a certification thereon of a Responsible Officer,
         stating that such consolidating financial statements form the basis of
         the Company's consolidated financial statements and are fairly stated
         in all material respects when considered in relation thereto.

                 (b)      Quarterly Financial Statements.  As soon as available
         and in any event within 50 days after the end of each calendar quarter
         of the Company, a consolidated balance sheet of the Company and its
         Subsidiaries as at the end of such quarter and the related
         consolidated statements of income, retained earnings and cash flows of
         the Company and its Subsidiaries for such calendar quarter and for the
         portion of the Company's calendar year ended at the end of such
         quarter, setting forth in each case in comparative form the figures
         for the corresponding quarter and the corresponding portion of the
         Company's previous calendar year, all in reasonable detail and
         certified by a Responsible Officer that such financial statements are
         complete and correct and fairly present the consolidated financial
         condition as at the end of such calendar quarter, and the consolidated
         results of operations and cash flows for such calendar quarter and
         such portion of the Company's calendar year, of the Company and its
         Subsidiaries in accordance with GAAP (subject to normal, year-end
         adjustments).  At the same time, a consolidating balance sheet of the
         Consolidating Statement Entities at the end of such calendar quarter
         and related consolidating statements of income and cash flows, for the
         portion of the Company's calendar year ended at such quarter
         accompanied by a certification from a Responsible Officer that such
         consolidating financial statements form the basis of the Company's
         consolidated financial statements and are fairly stated in all
         material respects when considered in relation thereto.

                 (c)      No Default/Compliance Certificate.  Together with the
         financial statements required pursuant to subsections (a) and (b)
         above, a certificate of a Responsible Officer (i) stating that a
         review of such financial statements during the period covered thereby
         and of the activities of the Company and its Subsidiaries has been
         made under such Responsible Officer's supervision with a view to
         determining whether the Company and its Subsidiaries have fulfilled
         all of their obligations under this Agreement, the other Financing
         Documents, and the Notes; (ii) stating that the Company and its
         Subsidiaries have fulfilled their obligations under such instruments
         and that all representations made in this Agreement continue to be
         true and correct (or specifying the nature of any change), or if there
         shall be a Default or Event of Default, specifying the nature and
         status thereof and the Company's proposed response thereto; (iii)
         demonstrating in reasonable detail compliance (including, but not
         limited to, showing all material calculations) as at the end of such
         calendar year or such calendar quarter with Subsections 5.03(a),
         5.03(b) and 5.03(c); and (iv) containing or accompanied by such
         financial or other details, information and material as the Agent may
         reasonably request to evidence such compliance.

                 (d)      Auditors' No Default Certificate; Management Letters.
         Together with the financial statements required pursuant to subsection
         (a) above, a certificate of the independent public accountants who
         audited the annual report referred to therein to the effect that their
         audit has not disclosed the existence of an Event of Default or a
         Default under this Agreement, or if there exists an Event of Default
         or a Default hereunder, specifying the nature thereof; and copies of
         each management letter issued to the Company by such accountants
         promptly following





                                      -56-
<PAGE>   64
         consideration or review by the Board of Directors of the Company, or
         any committee thereof (together with any response thereto prepared by
         the Company).

                 (e)      Engineering Reports.  Promptly after December 31st
         and June 30th of each year, but in no event later than 30 days after
         such date, a report (the "Reserve Report") in form and substance
         satisfactory to the Majority Lenders prepared by Netherland, Sewell &
         Associates or other independent petroleum consultant(s) acceptable to
         the Majority Lenders (the previous acceptability of an independent
         petroleum consultant satisfactory to the Majority Lenders shall have
         no bearing on such consultant's present or future acceptability),
         which Reserve Report shall evaluate the Hydrocarbon reserves included
         in the Mortgaged Property as of each such date and which shall,
         together with any other information reasonably requested by any
         Lender, set forth the total Proved Hydrocarbon reserves by accepted
         and customary reserve category attributable to such Mortgaged
         Property, together with a projection of the rate of production and
         future net income with respect thereto as of each such date.

                 (f)      Title Information.  Within a reasonable time after a
         request by the Agent, additional title information in form and
         substance acceptable to the Majority Lenders as is reasonably
         necessary covering the Mortgaged Property so that the Lenders shall
         have received, together with the title information previously received
         by the Lenders, satisfactory title information covering all of the
         Mortgaged Property.

                 (g)      Events or Circumstances with respect to Mortgaged
         Property.  Promptly after the occurrence of any event or circumstance
         (other than as known to affect oil and gas prices generally)
         concerning or changing any of the Mortgaged Property that would have a
         Material Adverse Effect, notice of such event or circumstance in
         reasonable detail.

                 (h)      Bi-Weekly Borrowing Base Reports.

                          (i)     As soon as available and in any event by the
                 Thursday following the close of each two calendar week period,
                 a Borrowing Base Report dated and reflecting amounts as of the
                 close of business on Friday of the preceding calendar week.

                          (ii)    As soon as available and in any event by the
                 50th day after the end of each calendar quarter of the
                 Company, a quarterly Borrowing Base Report dated and
                 reflecting amounts as of the last day of such calendar quarter
                 which have been reconciled to the financial statements
                 delivered pursuant to Subsection 5.02(b).

                 (i)      Notice of Certain Events.  Promptly after the Company
         learns of the receipt or occurrence of any of the following, a
         certificate of a Responsible Officer specifying (i) any official
         notice of any violation, possible violation, non-compliance or
         possible non-compliance, or claim made by any Governmental Authority
         pertaining to all or any part of the Properties of the Company or any
         of its Subsidiaries which, if adversely determined, would have a
         Material Adverse Effect; (ii) any event which constitutes a Default or
         Event of Default, together with a detailed statement specifying the
         nature thereof and the steps being taken to cure such Default or Event
         of Default; (iii) the receipt of any notice from, or the taking of any
         other action by, the holder of any promissory note, debenture or other
         evidence of indebtedness in excess of $1,000,000 of the Company or any
         of its Subsidiaries with respect to a claimed default, together with a
         detailed statement specifying the notice given or other action taken
         by such holder and the





                                      -57-
<PAGE>   65
         nature of the claimed default and what action the Company or its
         Subsidiary is taking or proposes to take with respect thereto; (iv)
         any default or noncompliance of any party to any of the Financing
         Documents with any of the terms and conditions thereof or any notice
         of termination or other proceedings or actions which could reasonably
         be expected to adversely affect any of the Financing Documents; (v)
         the creation, dissolution, merger or acquisition of any Subsidiary of
         the Company with material operations; (vi) any event or condition
         which violates any Environmental Law and which could potentially have
         a Material Adverse Effect or which could potentially result in
         remedial obligations having a Material Adverse Effect, assuming
         disclosure to the applicable Governmental Authority of all relevant
         facts, conditions and circumstances, if any, pertaining to such event
         or condition; or (vii) any event or condition which may reasonably be
         expected to have a Material Adverse Effect.

                 (j)      Shareholder Communications, Filings, etc.  Promptly
         upon the mailing or filing thereof, copies of all financial
         statements, reports and proxy statements mailed to the Company's
         shareholders, and copies of all registration statements, periodic
         reports and other documents (excluding the related exhibits except to
         the extent expressly requested by the Agent) filed with or received by
         the Company in connection therewith from the Securities and Exchange
         Commission (or any successor thereto) or any national securities
         exchange.

                 (k)      Litigation.  Promptly after (i) the occurrence
         thereof, notice of the institution of or any material adverse
         development in any action, suit or proceeding or any governmental
         investigation or any arbitration, before any court or arbitrator or
         any governmental or administrative body, agency or official, against
         the Company, any Guarantor or any material Property of any thereof; or
         (ii) actual knowledge thereof, notice of the threat of any such
         action, suit, proceeding, investigation or arbitration, in either case
         in which the amount involved is material and is not covered by
         insurance or which, if adversely determined, would have a Material
         Adverse Effect.

                 (l)      ERISA.  Promptly after (i) the Company's obtaining
         knowledge of the occurrence thereof, notice that an ERISA Termination
         Event or a "prohibited transaction," as such term is defined in
         Section 406 of ERISA or Section 4975 of the Code, with respect to any
         Plan has occurred, which such notice shall specify the nature thereof,
         the Company's proposed response thereto and, where known, any action
         taken or proposed by the Internal Revenue Service, the Department of
         Labor or the PBGC with respect thereto, and (ii) the Company's
         obtaining knowledge thereof, copies of any notice of the PBGC's
         intention to terminate or to have a trustee appointed to administer
         any Plan.

                 (m)      Borrowing Base Audit.  Each calendar year, as of a
         date to be designated by the Agent, but at the cost of the Company, a
         report of an independent collateral field examiner approved by the
         Agent in writing and reasonably acceptable to the Company (which may
         be the Agent or an affiliate thereof) with respect to the Eligible
         Accounts and Eligible Inventory components included in the Borrowing
         Base, and the Agent shall have the option to receive such additional
         reports as the Agent or the Majority Lenders shall reasonably request;
         provided, however, that so long as no Default has occurred and is
         continuing, neither the Agent nor the Majority Lenders shall request
         more than one such additional report (for a total of two such reports)
         per calendar year.





                                      -58-
<PAGE>   66
                 (n)      Other Information.  With reasonable promptness, such
         other information about the business and affairs and financial
         condition of the Company or its Subsidiaries as any Lender may
         reasonably request from time to time.

         Section 5.03     Financial Covenants.  So long as any Lender has any
Commitment hereunder or any Loan remains unpaid or any Revolving Credit
Exposure remains outstanding, the Company will:

                 (a)      Consolidated Tangible Net Worth.  Maintain
         Consolidated Tangible Net Worth in an amount not less than (i) for the
         calendar year ending December 31, 1994, $110,000,000,  and (ii) for
         the calendar year beginning January 1, 1995, and for each calendar
         year thereafter, the sum of the amount calculated pursuant to this
         Subsection for the previous year plus 75% of the Company's
         consolidated net income for such previous year; provided if at any
         time the Company issues equity securities of any kind, such minimum
         amount of Consolidated Tangible Net Worth shall be permanently
         increased by an amount equal to 75% of the net cash proceeds from the
         issuance of such equity securities, except that to the extent such
         proceeds are used as permitted in Subsection 5.04(d)(ii), such amount
         shall not so increase the minimum Consolidated Tangible Net Worth; and
         provided further, that such amount of minimum Consolidated Tangible
         Net Worth shall be adjusted so as to remove the effect of any
         accounting adjustments that would otherwise result from the exercise
         of the MetLife Option pursuant to Subsection 5.04(d)(ii) or from the
         retirement of the Subordinated Debentures and Exchange Notes due to
         write-offs of original issue discount or deferred financing costs.

                 (b)      Working Capital.  Maintain at all times its
         Consolidated Working Capital Ratio of at least 1.50 to 1.00.

                 (c)      Company's Cash Flow Coverage.  Maintain a cash flow
         coverage ratio for itself and its Subsidiaries on a consolidated basis
         as of any Quarterly Date equal to or greater than 1.10 to 1.00 for the
         Rolling Period ending on the applicable Quarterly Date.  As used in
         this Subsection 5.03(c), cash flow coverage ratio shall mean, as to
         the Company, and for the Rolling Period ending on such Quarterly Date,
         the ratio of (i) the sum of (A) Cash Flow of the Company and its
         Subsidiaries on a consolidated basis, plus (B) the difference between
         E&P Loan Value on the last day of the applicable Rolling Period and
         the outstanding principal amount of the Revolving Credit Loans on the
         first day of the last calendar quarter of such Rolling Period, plus
         (C) interest expense of the Company and its Subsidiaries on a
         consolidated basis to (ii) the sum of (A) regularly scheduled
         principal payments of Funded Indebtedness paid in cash, plus (B) cash
         interest expense of the Company and its Subsidiaries on a consolidated
         basis, plus (C) capital expenditures by the Company and its
         Subsidiaries on a consolidated basis, excluding capital expenditures
         made by way of exchanges of equity or for the addition of the Vacuum
         Unit, plus (D) cash dividends actually paid by the Company and its
         Subsidiaries on a consolidated basis.

                 (d)      Tesoro Alaska EBITDA.  Cause Tesoro Alaska to
         maintain the Tesoro Alaska EBITDA (i) for each Rolling Period ending
         on or before September 30, 1995, in an amount equal to or greater than
         $15,000,000 and (ii) for each Rolling Period thereafter, in an amount
         equal to or greater than $20,000,000.  As used in this Subsection,
         Tesoro Alaska EBITDA shall mean, as to Tesoro Alaska, and for any
         Rolling Period, the amount equal to net income of Tesoro Alaska less
         any non-cash income included in net income, plus, to the extent
         deducted from net income, interest expense, depreciation, depletion
         and impairment, amortization of leasehold and





                                      -59-
<PAGE>   67
         intangibles, other non-cash expenses, and taxes, provided, that, gains
         or losses on the disposition of assets shall not be included in Tesoro
         Alaska EBITDA.

         Section 5.04     Certain Negative Covenants.  So long as any Lender
has any Commitment hereunder or any Loan remains unpaid or any Revolving Credit
Exposure remains outstanding, the Company will not:

                 (a)      Indebtedness.  Create, incur, assume or suffer to
         exist, or permit any of its Subsidiaries to create, incur, assume or
         suffer to exist, any Indebtedness, other than:

                          (i)     the Lender Indebtedness;

                          (ii)    Indebtedness outstanding on the date hereof
                 which is set out in the Company's financial statements
                 referred to in Section 4.06(a) or on Schedule 5.04(a) and any
                 renewal, extension, refinancing or refunding of such
                 Indebtedness; provided that (A) principal amount of such
                 Indebtedness that renews, extends, refinances or refunds any
                 such Indebtedness shall not exceed the principal amount of
                 such renewed, extended, refunded or refinanced Indebtedness,
                 plus up to 5% to cover the costs associated with such renewal,
                 extension, refinancing or refunding of such Indebtedness and
                 (B) the Indebtedness that renews, extends, refinances or
                 refunds such Indebtedness is scheduled to mature no earlier
                 than the Indebtedness being renewed, extended, refunded or
                 refinanced;

                          (iii)   accounts payable (for the deferred purchase
                 price of Property or services) from time to time incurred in
                 the ordinary course of business and which are not in excess of
                 90 days past the invoice or billing date, or if in excess of
                 90 days past the invoice or billing date are being currently
                 contested in good faith by appropriate actions or proceedings
                 diligently conducted;

                          (iv)    guaranties issued by the Company or any
                 Subsidiary in the ordinary course of its business of
                 obligations of others (other than for borrowed money) incurred
                 in oil and gas drilling, oil and gas production, oil and gas
                 transportation, crude oil and refined products purchasing, oil
                 and gas exploration or other similar programs or operations;

                          (v)     obligations whether current or long term
                 incurred in the normal course of business under or pursuant to
                 customary oil, gas and mineral leases, royalties and oil and
                 gas operating agreements, farm-out and farm-in agreements,
                 development agreements and other agreements which are
                 customary in the oil and gas industry;

                          (vi)    Indebtedness created, incurred, assumed or
                 guaranteed after the date hereof not otherwise permitted
                 pursuant to this Subsection 5.04(a), provided that the
                 aggregate outstanding principal amount of such Indebtedness
                 shall not exceed $10,000,000 at any one time outstanding;

                          (vii)   Indebtedness owing by (A) the Company to
                 Non-Guarantor Subsidiaries not to exceed $5,000,000 in the
                 aggregate, (B) any Subsidiary of the Company to the





                                      -60-
<PAGE>   68
                 Company, (C) the Company to any Guarantor and (D) any
                 Guarantor to any other Guarantor;

                          (viii)  obligations for current taxes, assessments
                 and other governmental charges and taxes, assessments or other
                 governmental charges which are not yet due or are being
                 contested in good faith by appropriate action or proceeding
                 promptly initiated and diligently conducted, if such reserve
                 as shall be required by GAAP shall have been made therefor;

                          (ix)    Capital Lease Obligations not to exceed
                 $7,500,000 at any one time;

                          (x)     Indebtedness relating to personal injury or
                 property claims against the Company or any of its Subsidiaries
                 in an amount not to exceed $5,000,000 in the aggregate unless
                 and to the extent such claims are covered by insurance;

                          (xi)    Indebtedness, not to exceed $10,000,000 in
                 the aggregate outstanding at any one time, in respect of
                 letters of credit (other than the Letters of Credit) or bank
                 guaranties provided by the Company or any of its Subsidiaries
                 in the ordinary course of business and used in lieu or in
                 support of performance guarantees, performance, surety or
                 other similar bonds, or bankers acceptances, or stay and
                 appeal bonds; provided, however, to the extent such letters of
                 credit or bank guaranties are used in lieu or in support of
                 stay or appeal bonds, such $10,000,000 maximum amount shall be
                 reduced by an amount equal to the aggregate amount of any
                 Letters of Credit used in lieu or support of stay or appeal
                 bonds;

                          (xii)   Indebtedness owed to National Bank of Alaska
                 and the Alaska Industrial Development and Export Authority
                 regarding financing for the Vacuum Unit; provided that such
                 Indebtedness is subject to documentation (including, but not
                 limited to, documentation setting forth the terms pursuant to
                 which the Lien on the Kenai Refinery securing the Lender
                 Indebtedness is subordinated) satisfactory to the Agent and
                 the principal amount of such Indebtedness shall not exceed
                 $15,000,000 in the aggregate; and provided further that such
                 Indebtedness shall only be permitted if the Term Loan
                 Commitments have been terminated in full as provided in
                 Subsection 2.09(b); and

                          (xiii)  Indebtedness existing in connection with
                 Hedge Agreements, provided that such Hedge Agreements are
                 entered into by the Company or its Subsidiaries in the
                 ordinary course of business and for the purpose of hedging
                 against fluctuations in price or interest rates.


                 (b)      Liens.  Create, incur, assume or suffer to exist, or
         permit any of its Subsidiaries to create, incur, assume or suffer to
         exist, any Lien on any of its Property now owned or hereafter acquired
         to secure any Indebtedness of any Person, other than:

                          (i)     Liens existing on the date hereof and set out
                 on Schedule 5.04(b);

                          (ii)    Liens securing the Lender Indebtedness;





                                      -61-
<PAGE>   69
                          (iii)   Liens for taxes, assessments or other
                 governmental charges or levies not yet due or which are being
                 contested in good faith by appropriate action or proceedings
                 and with respect to which adequate reserves are being
                 maintained;

                          (iv)    statutory Liens of landlords and Liens of
                 carriers, warehousemen, mechanics, materialmen, repairmen,
                 workmen, and other Liens imposed by law created in the
                 ordinary course of business for amounts which are not past due
                 for more than 30 days or which are being contested in good
                 faith by appropriate proceedings and with respect to which
                 adequate reserves in accordance with GAAP are being
                 maintained;

                          (v)     Liens (other than any inchoate Lien imposed
                 by ERISA) incurred or deposits or pledges made in the ordinary
                 course of business in connection with workers' compensation,
                 unemployment insurance and other types of social security, old
                 age or other similar obligations, or to secure the performance
                 of tenders, statutory obligations, surety and appeal bonds,
                 bids, leases, government contracts, performance and
                 return-of-money bonds and other similar obligations (exclusive
                 of obligations for the payment of borrowed money);

                          (vi)    easements, rights-of-way, restrictions,
                 servitudes, permits, reservations, exceptions, conditions,
                 covenants and other similar charges or encumbrances not
                 interfering with the ordinary conduct of the business of the
                 Company or any of its Subsidiaries;

                          (vii)   any Lien securing Indebtedness, neither
                 assumed nor guaranteed by the Company or any of its
                 Subsidiaries nor on which it customarily pays interest,
                 existing upon real estate or rights in or relating to real
                 estate acquired by the Company for substation, metering
                 station, pump station, storage, gathering line, transmission
                 line, transportation line, distribution line or for
                 right-of-way purposes, and any Liens reserved in leases for
                 rent and for compliance with the terms of the leases in the
                 case of leasehold estates, to the extent that any such Lien
                 referred to in this clause (vii) does not materially impair
                 the use of the Property covered by such Lien for the purposes
                 of which such Property is held by the Company or any of its
                 Subsidiaries;

                          (viii)  inchoate Liens arising under ERISA;

                          (ix)    any Lien on any Property securing
                 Indebtedness incurred or assumed for the purpose of financing
                 all or any part of the acquisition cost of such Property,
                 provided that such Lien does not extend to any other Property
                 of the Company and the aggregate unpaid purchase price secured
                 by all such Liens at any time shall not exceed $2,500,000;

                          (x)     Liens reserved in customary oil, gas and/or
                 mineral leases for bonus or rental payments and for compliance
                 with the terms of such leases and Liens reserved in customary
                 operating agreements, farm-out and farm-in agreements,
                 exploration agreements, development agreements and other
                 similar agreements for compliance with the terms of such
                 agreements;

                          (xi)    any obligations or duties affecting any of
                 the Property of the Company or its Subsidiaries to any
                 municipality or public authority with respect to any
                 franchise,





                                      -62-
<PAGE>   70
                 grant, license or permit which do not materially impair the
                 use of such Property for the purposes for which it is held;

                          (xii)   defects, irregularities and deficiencies in
                 title of any rights of way or other Property of the Company or
                 any Subsidiary which in the aggregate do not materially impair
                 the use of such rights of way or other Property for the
                 purposes for which such rights of way and other Property are
                 held by the Company or any Subsidiary, and defects,
                 irregularities and deficiencies in title to any Property of
                 the Company or its Subsidiaries, which defects, irregularities
                 or deficiencies have been cured by possession under applicable
                 statutes of limitation;

                          (xiii)  royalties, overriding royalties, revenue
                 interests, net revenue interests, production payments (other
                 than production payments granted or created by the Company in
                 connection with the borrowing of money), advance payment
                 obligations (other than obligations in respect of advance
                 payment received by the Company in connection with the
                 borrowing of money) and other similar burdens now existing on
                 Oil and Gas Properties now owned or, as to Properties
                 hereafter acquired, at the time of acquisition by the Company
                 or any of its Subsidiaries;

                          (xiv)   Liens arising out of all presently existing
                 and future division and transfer orders, advance payment
                 agreements, processing contracts, gas processing plant
                 agreements, operating agreements, gas balancing or deferred
                 production agreements, pooling, unitization or communitization
                 agreements, pipeline, gathering or transportation agreements,
                 platform agreements, drilling contracts, injection or
                 repressuring agreements, cycling agreements, construction
                 agreements, salt water or other disposal agreements, leases or
                 rental agreements (but only as otherwise permitted by this
                 Agreement), farm-out and farm-in agreements, exploration and
                 development agreements, and any and all other contracts or
                 agreements covering, arising out of, used or useful in
                 connection with or pertaining to the exploration, development,
                 operation, production, sale, use, purchase, exchange, storage,
                 separation, dehydration, treatment, compression, gathering,
                 transportation, processing, improvement, marketing, disposal
                 or handling of any Property of the Company or its
                 Subsidiaries, provided such agreements are entered into in the
                 ordinary course of business and contain terms customary for
                 such agreements in the industry;

                          (xv)    Liens on the Kenai Refinery securing the
                 Indebtedness described in Section 5.04(a)(xii); provided
                 further, up to the maximum amount allowed by such Section,
                 such Liens may be prior to the Lien on the Kenai Refinery
                 securing the Lender Indebtedness;

                          (xvi)   Liens securing up to $5,000,000 of the
                 Indebtedness permitted by Subsection 5.04(a)(xi) to the extent
                 such Indebtedness is issued in support of the Company's (or
                 its Subsidiaries') Bolivian operations; and

                          (xvii)  extensions, renewals or replacements of any
                 Lien referred to in Subsections 5.04(b)(i) through (xvi),
                 provided that the principal amount of the Indebtedness or
                 obligation secured thereby is not increased and that any such
                 extension, renewal or replacement is limited to the Property
                 originally encumbered thereby.





                                      -63-
<PAGE>   71
                 (c)      Mergers, Sales, etc.  Merge into or with or
         consolidate with, or permit any of its Subsidiaries to merge into or
         with or consolidate with, any other Person, or sell, lease or
         otherwise dispose of, or permit any of its Subsidiaries to sell, lease
         or otherwise dispose of (whether in one transaction or in a series of
         transactions) all or any part of its Property to any other Person,
         other than (i) (A) a merger of any Guarantor into the Company or into
         another Guarantor other than Tesoro Bolivia, PEDCO, Tesoro
         Environmental, or any Subsidiary thereof, (B) a merger of any
         Guarantor with any Person other than the Company or another Guarantor
         if immediately thereafter and giving effect thereto the Company or a
         Guarantor, other than Tesoro Bolivia, PEDCO, Tesoro Environmental, or
         any Subsidiary thereof, shall own 100% of the stock of the surviving
         corporation and (C) a merger of the Company with any other Person if
         the Company is the surviving corporation, provided, however, that in
         each such case, immediately thereafter and giving effect thereto, no
         event shall have occurred and be continuing which constitutes a
         Default, (ii) a sale, lease or other disposition of all or any part of
         its Property by any Guarantor to another Guarantor other than Tesoro
         Bolivia, PEDCO, Tesoro Environmental, or any Subsidiary thereof, or
         (iii) sales, leases or other dispositions of all or any part of its
         Property by the Company or any of its Subsidiaries to any other Person
         not in excess of $2,000,000 in any 12-month period and not to exceed
         $5,000,000 cumulatively from the Closing Date and provided further,
         that the Company or any such Subsidiary of the Company receives fair
         market consideration for any such sale, lease or disposition of such
         Properties.  Notwithstanding the foregoing limitations, the Company
         and its Subsidiaries may (A) sell inventory, Hydrocarbon production
         and other similar assets in the ordinary course of business, (B) sell,
         transfer or otherwise dispose of personal property (including, but not
         limited to, pipe, equipment, machinery and vehicles) in the ordinary
         course of business or when, in the reasonable judgment of the Company,
         such property is no longer used or useful in the conduct of its
         business or the business of its Subsidiaries, (C) farm-out in the
         ordinary course of business any Oil and Gas Properties owned by the
         Company or its Subsidiaries which do not constitute a portion of the
         Mortgaged Property, (D) sell Properties of the Non-Guarantor
         Subsidiaries, (E) sell the Property of or stock issued by Tesoro
         Bolivia, PEDCO, Tesoro Environmental, or any of their respective
         Subsidiaries, provided, that, in connection with any sale of property
         or stock pursuant to this clause (E), any Letter of Credit issued for
         the account of, or to support the assets or operations of the
         Guarantor whose Properties or stock is being sold, shall be terminated
         or backed by a letter of credit in form and substance, and issued by
         an issuer, acceptable to each of the Agent and the applicable Issuing
         Bank in their sole discretion and (F) consummate the E&P
         Restructuring.

                 (d)      Dividends, etc.  Declare or pay any dividend on its
         capital stock, make any payment to purchase, redeem, retire or acquire
         any of its capital stock or any option, warrant, or other right to
         acquire such capital stock, return any capital to its stockholders,
         make any distribution of its assets to its stockholders as such, or
         permit any of its Subsidiaries to purchase or otherwise acquire for
         value any stock of the Company, except that the Company may (i)
         declare and deliver stock dividends, (ii) redeem or purchase stock
         from MetLife Louisiana pursuant to the MetLife Option with, but only
         with, (A) the proceeds from the issuance of new shares of common stock
         of the Company, (B) the proceeds from the issuance of new shares of
         non-redeemable preferred stock of the Company having terms
         satisfactory to the Majority Lenders, or (C) the proceeds from up to
         $10,000,000 of Indebtedness permitted by Subsection 5.04(a)(vi), (iii)
         issue shares of common stock and pay cash not to exceed $1,000,000 in
         lieu of fractional shares of common stock upon the exercise of the
         MetLife Option, (iv) declare and pay cash dividends (A) on the $2.20
         Preferred Stock or (B) at any time after all of the $2.20





                                      -64-
<PAGE>   72
         Preferred Stock has been redeemed or purchased and retired pursuant to
         clause (ii) above, on common stock or preferred stock issued by the
         Company in an amount not to exceed (i) ten percent of consolidated net
         income up to $25,000,000 and (ii) twenty percent of consolidated net
         income in excess of $25,000,000 of the Company and its Subsidiaries in
         any calendar year; provided that both before and after giving effect
         to any such dividend, a Default shall not have occurred and be
         continuing.

                 (e)      Investments, Loans, etc.  Make or permit any loans to
         or investments in any Person, or permit any of its Subsidiaries to
         make or permit any loans to or investments in any Person, other than:

                          (i)     investments, loans or advances, the material
                 details of which have been set forth in the Financial
                 Statements or are disclosed to the Agent in Schedule 4.07
                 hereto;

                          (ii)    investments in direct obligations of the
                 United States of America or any agency thereof;

                          (iii)   investments in certificates of deposit of
                 maturities less than one year, issued by commercial banks in
                 the United States having capital and surplus in excess of
                 $500,000,000; provided, however, the Company may, with the
                 written approval of the Agent, invest in such certificates of
                 deposit issued by commercial banks in the United States having
                 capital and surplus in excess of $200,000,000 and a Thomson's
                 Bank Watch rating of B or better;

                          (iv)    investments in commercial paper of maturities
                 less than one year rated A1 or P1 by Standard & Poor's or
                 Moody's Investors Services, Inc., respectively, or any
                 equivalent rating from any other rating agency satisfactory to
                 the Agent;

                          (v)     routine loans or advances to employees made
                 in the ordinary course of business not to exceed (A) $25,000
                 at any one time outstanding to any one employee and (B)
                 $250,000 in the aggregate;

                          (vi)    investments in securities purchased by the
                 Company or any Subsidiary of the Company under repurchase
                 obligations pursuant to which arrangements are made with
                 selling financial institutions (being (A) a financial
                 institution having unimpaired capital and surplus of not less
                 than $500,000,000 and with a rating of A1 or P1 by Standard &
                 Poor's or Moody's Investors Services, Inc., respectively; or
                 (B) with the written approval of the Agent, a financial
                 institution having unimpaired capital and surplus of not less
                 than $200,000,000 and a Thomson's Bank Watch rating of B or
                 better) for such financial institutions to repurchase such
                 securities within 30 days from the date of purchase by the
                 Company or such Subsidiary, and other similar short-term
                 investments made in connection with the Company's or any of
                 its Subsidiary's cash management practices;

                          (vii)   the purchase, redemption or acquisition of
                 capital stock of the Company as permitted by Section 5.04(d);





                                      -65-
<PAGE>   73
                          (viii)  investments described in Exhibit J;

                          (ix)    entering into a joint venture or partnership
                 in connection with the sale to such joint venture or
                 partnership of the assets of Tesoro Bolivia or Tesoro
                 Environmental; and

                          (x) the purchase of stock issued by the Company from
                 participants in the incentive stock plans of the Company made
                 for the purpose of satisfying federal withholding tax
                 obligations of such participants or due to a failure by a
                 participant to comply with the terms and conditions of a stock
                 incentive as provided for under the terms of such incentive
                 stock plans or stock incentive grants thereunder.

                 (f)      Lease Payments.  Except for (i) oil and gas lease
         obligations permitted under Subsection 5.04(a), (ii) lease obligations
         (excluding Capital Lease Obligations) existing under leases for oil
         field equipment and tools rented in the ordinary course of business
         for a duration of less than one year and (iii) time charter payments
         with regard to barges or tankers used to transport feedstocks,
         blendstocks or refined products in the ordinary course of business;
         create, incur, assume or suffer to exist, nor permit any of its
         Subsidiaries to create, incur, assume or suffer to exist, any
         obligation for the payment of rent or hire of Property of any kind
         whatsoever (real or personal), whether directly or as a guarantor, if,
         after giving effect thereto, the aggregate amount of all payments
         required to be made by the Company and its Subsidiaries on a
         consolidated basis pursuant to such leases or lease agreements
         (excluding Capital Lease Obligations) would exceed $8,000,000 in any
         calendar year.

                 (g)      Sales and Leasebacks.  Enter into, or permit any of
         its Subsidiaries to enter into, any arrangement, directly or
         indirectly, with any Person whereby the Company or any such Subsidiary
         shall sell or transfer any Property, whether now owned or hereafter
         acquired, and whereby the Company or any such Subsidiary shall then or
         thereafter rent or lease as lessee such Property or any part thereof
         or other Property which the Company or any such Subsidiary intends to
         use for substantially the same purpose or purposes as the Property
         sold or transferred.

                 (h)      Nature of Business.  Permit any material change to be
         made in the character of its business or the business of any Guarantor
         as carried on at the date hereof, except as may be permitted pursuant
         to this Agreement.

                 (i)      ERISA Compliance.

                          (i)     Engage in, or permit any ERISA Affiliate to
                 engage in, any transaction in connection with which the
                 Company, a Subsidiary of the Company or any ERISA Affiliate
                 could be subjected to either a civil penalty assessed pursuant
                 to Sections 502(c) or 502(i) of ERISA or a tax imposed by
                 Section 4975 of the Code, except where such assessment or
                 imposition would not have Material Adverse Effect;

                          (ii)    Terminate, or permit any ERISA Affiliate to
                 terminate, any Plan in a manner, or take any other action with
                 respect to any Plan, which could result in any liability of
                 the Company, a Subsidiary of the Company or any ERISA
                 Affiliate to the PBGC;





                                      -66-
<PAGE>   74
                          (iii)   Fail to make, or permit any ERISA Affiliate
                 to fail to make, full payment when due of all amounts which,
                 under the provisions of any Plan, agreement relating thereto
                 or applicable law, the Company, a Subsidiary of the Company or
                 any ERISA Affiliate is required to pay as contributions
                 thereto, except where the failure to make such payments would
                 not have Material Adverse Effect;

                          (iv)    Permit to exist, or allow any ERISA Affiliate
                 to permit to exist, any accumulated funding deficiency within
                 the meaning of Section 302 of ERISA or Section 412 of the
                 Code, whether or not waived, with respect to any Plan, except
                 where the existence of such a deficiency would not have a
                 Material Adverse Effect;

                          (v)     Contribute to or assume an obligation to
                 contribute to, or permit any ERISA Affiliate to contribute to
                 or assume an obligation to contribute to, any "multiemployer
                 plan" as such term is defined in Section 3(37) or 4001(a)(3)
                 of ERISA;

                          (vi)    Acquire, or permit any ERISA Affiliate to
                 acquire, an interest in any Person that causes such Person to
                 become an ERISA Affiliate with respect to the Company or a
                 Subsidiary of the Company or with respect to any ERISA
                 Affiliate of the Company or a Subsidiary of the Company  if
                 such Person sponsors, maintains or contributes to, or at any
                 time in the six-year period preceding such acquisition has
                 sponsored, maintained, or contributed to, (1) any
                 "multiemployer plan" as such term is defined in Section 3(37)
                 or 4001(a)(3) of ERISA, or (2) any other Plan that is subject
                 to Title IV of ERISA under which the actuarial present value
                 of the benefit liabilities under such Plan exceeds the current
                 value of the assets (computed on a plan termination basis in
                 accordance with Title IV of ERISA) of such Plan allocable to
                 such benefit liabilities;

                          (vii)   Fail to pay, or cause to be paid, to the PBGC
                 in a timely manner, and without incurring any late payment or
                 underpayment charge or penalty, all premiums required pursuant
                 to Sections 4006 and 4007 of ERISA, except where such failure
                 would not have a Material Adverse Effect; or

                          (viii)  Amend, or permit any ERISA Affiliate to
                 amend, a Plan resulting in an increase in current liability
                 such that the Company, a Subsidiary of the Company or any
                 ERISA Affiliate is required to provide security to such Plan
                 under Section 401(a)(29) of the Code.

                 (j)      Sale or Discount of Receivables.  Discount or sell
         (with or without recourse), or permit any of its Subsidiaries to
         discount or sell (with or without recourse), any of its or its
         Subsidiaries' notes receivable or accounts receivable; provided that
         the Company may discount or sell (with or without recourse) up to
         $3,000,000 in the aggregate of its accounts receivables that are more
         than 60 days past due.

                 (k)      Negative Pledge Agreements.  Create, incur, assume or
         suffer to exist, or permit any of its Subsidiaries to create, incur,
         assume or suffer to exist, any contract, agreement or understanding
         (other than this Agreement, the other Financing Documents or as set
         forth on Schedule 5.04(k) hereof) which in any way prohibits or
         restricts the granting, conveying, creation or imposition of any Lien
         on any Property of the Company or its Subsidiaries, or which requires
         the consent of or notice to other Persons in connection therewith.





                                      -67-
<PAGE>   75
                 (l)      Transactions with Affiliates.  Enter into any
         transaction or series of transactions, or permit any of its
         Subsidiaries to enter into any transaction or series of transactions,
         with Affiliates of the Company or its Subsidiaries which involve an
         outflow of money or other Property from the Company or its
         Subsidiaries to an Affiliate of the Company or its Subsidiaries,
         including but not limited to repayment of Indebtedness, management
         fees, compensation, salaries, asset purchase payments or any other
         type of fees or payments similar in nature, other than on terms and
         conditions substantially as favorable to the Company and its
         Subsidiaries as would be obtainable by the Company and its
         Subsidiaries in a reasonably comparable arm's-length transaction with
         a Person other than such an Affiliate of the Company or its
         Subsidiaries.  Notwithstanding the foregoing, the restrictions set
         forth in this Section 5.04(l) shall not apply to: (i) the payment of
         reasonable and customary fees to directors of the Company who are not
         employees of the Company, (ii) routine loans or advances to employees
         made in the ordinary course of business not to exceed $25,000 at any
         one time outstanding to any one employee, (iii) any other transaction
         with any employee, officer or director of the Company or any of its
         Subsidiaries pursuant to employee benefit plans and compensation
         arrangements in amounts customary for corporations similarly situated
         to the Company or any such Subsidiary and entered into the ordinary
         course of business and approved by the Board of Directors of the
         Company or any committee thereof or the Board of Directors of such
         Subsidiary or (iv) the consummation of the E&P Restructuring.

                 (m)      Unconditional Purchase Obligations.  Enter into or be
         a party to, or permit any of its Subsidiaries to enter into or be a
         party to, any contract for the purchase of materials, supplies or
         other property or services, if such contract requires that payment be
         made by it regardless of whether or not delivery is ever made of such
         materials, supplies or other property or services.

                 (n)      Stock.  Authorize or issue any preferred stock
         (except for the issuance of non-redeemable preferred stock to replace
         one or more of the Company's outstanding issues of preferred stock,
         provided, that the issuance of such preferred stock does not otherwise
         result in a Default under this Agreement) or permit any of its
         Subsidiaries to authorize or issue any preferred or common stock to be
         held by any Person other than the Company or any of its wholly-owned
         Subsidiaries.

                 (o)      Capital Expenditures.

                          (i)     The Company.  Make, or permit any of its
                 Subsidiaries to make Capital Expenditures (excluding Capital
                 Expenditures made (A) for the addition of the Vacuum Unit or
                 (B) by Tesoro E&P during such calendar year for the
                 acquisition, exploration or development of Oil and Gas
                 Properties) in any calendar year for the Company and its
                 Subsidiaries on a consolidated basis in excess of the
                 following amounts; provided, however, that the maximum amount
                 of Capital Expenditures for any calendar year ending after
                 December 31, 1994 shall be increased by an amount equal to the
                 difference between the maximum Capital Expenditures from the
                 prior calendar year less the actual Capital Expenditures for
                 such prior calendar year:

                       Year Ending                               Maximum Capital





                                      -68-
<PAGE>   76
<TABLE>
<CAPTION>
                          December 31,                              Expenditures
                          ------------                              ------------
                          <S>                                       <C>
                          1994                                      $22,000,000
                          1995                                      $15,000,000
                          1996                                      $20,000,000
</TABLE>


                          (ii)    Tesoro Alaska.  Permit Tesoro Alaska to make
                 Capital Expenditures (excluding Capital Expenditures made for
                 the addition of the Vacuum Unit) in any calendar year in
                 excess of the following amounts; provided, however, that the
                 maximum amount of Capital Expenditures for any calendar year
                 ending after December 31, 1994 shall be increased by an amount
                 equal to the difference between the maximum Capital
                 Expenditures for the prior calendar year less the actual
                 Capital Expenditures for such prior calendar year:

<TABLE>
<CAPTION>
                          Year Ending                               Maximum Capital
                          December 31,                              Expenditure
                          ------------                              -----------
                          <S>                                       <C>
                          1994                                      $ 8,000,000
                          1995                                      $ 6,000,000
                          1996                                      $10,000,000
</TABLE>


                          (iii)   Additional Capital Expenditures.
                 Notwithstanding the maximum capital expenditure amounts set
                 forth in clauses (i) and (ii) above, the maximum amount of
                 capital expenditures for the Company and its Subsidiaries on a
                 consolidated basis and for Tesoro Alaska may be increased by a
                 total of $10,000,000 in the aggregate spread, as the Company
                 may elect, among the calendar years of 1994, 1995 and 1996;
                 provided that after giving effect to any such increased
                 capital expenditures, the Company shall not be in Default.

                                   ARTICLE VI


                               EVENTS OF DEFAULT

         Upon the occurrence and during the continuance of any of the following
specified events (each an "Event of Default"):

         Section 6.01     Payments.  (a) The Company shall fail to pay when due
(including, but not limited to, by mandatory prepayment) any principal of any
Loan or any Note, or any Reimbursement Obligation; or (b) the Company shall
fail to pay when due any interest on any Loan or Note, any fee or any other
amount payable hereunder, and such failure to pay shall continue unremedied for
a period of three Business Days;

         Section 6.02     Covenants Without Notice.  The Company shall fail to
observe or perform any covenant or agreement contained in Subsections 5.01(e),
(g) and (i), Sections 5.04 (excluding Subsections 5.04(a)(iii) and (viii), and
Subsection 5.04(l) hereof) or Section 5.03;





                                      -69-
<PAGE>   77
         Section 6.03     Other Covenants.  The Company shall fail to observe
or perform any covenant or agreement contained in (a) Subsection 5.01(k),
Subsections 5.02(a), (b), (c), (d), (g), (h), (i), (j), (k) or (m), Subsections
5.04(a)(iii) or (viii) or Subsection 5.04(l), and, if capable of being
remedied, such failure shall remain unremedied for 10 days after the earlier of
(i) the Company's obtaining knowledge thereof, or (ii) written notice thereof
shall have been given to the Company by any Lender, any Issuing Bank or the
Agent; and (b) this Agreement, other than those referred to in Sections 6.01,
6.02, or clause (a) of this Section 6.03, and, if capable of being remedied,
such failure shall remain unremedied for 30 days after the earlier of (i) the
Company's obtaining knowledge thereof, or (ii) written notice thereof shall
have been given to the Company by any Lender, any Issuing Bank or the Agent;

         Section 6.04     Other Financing Document Obligations.  Default is
made in the due observance or performance by the Company or any Subsidiary of
the Company of any of the covenants or agreements contained in any Financing
Document other than this Agreement, and such default continues unremedied
beyond the expiration of any applicable grace period which may be expressly
allowed under such Financing Document;

         Section 6.05     Representations.  Any representation, warranty or
statement made or deemed to be made by the Company or any Subsidiary of the
Company or any of such Company's, or Subsidiary's officers herein or in any
other Financing Document, or in any certificate, request or other document
furnished pursuant to or under this Agreement or any other Financing Document,
shall have been incorrect in any material respect as of the date when made or
deemed to be made;

         Section 6.06     Non-Payments of Other Indebtedness.  The Company or
any of its Subsidiaries shall fail to make any payment or payments of principal
of or interest on any Indebtedness of the Company or such Subsidiary in excess
of $1,000,000 in the aggregate (other than (i) the Lender Indebtedness and (ii)
any trade account subject to a bona fide dispute and the trade creditor has
neither filed a lawsuit nor caused a Lien to be placed upon any Property of the
Company or such Subsidiary) when due (whether at stated maturity, by
acceleration, on demand or otherwise) after giving effect to any applicable
grace period;

         Section 6.07     Defaults Under Other Agreements.  The Company or any
of its Subsidiaries shall fail to observe or perform any covenant or agreement
contained in any agreement(s) or instrument(s) relating to Indebtedness of
$1,000,000 or more in the aggregate within any applicable grace period, or any
other event shall occur, if the effect of such failure or other event is to
accelerate, or to permit the holder of such Indebtedness or any other Person to
accelerate, the maturity of $1,000,000 or more in the aggregate of such
Indebtedness; or $1,000,000 or more in the aggregate of any such Indebtedness
shall be, or if as a result of such failure or other event may be, required to
be prepaid (other than by a regularly scheduled required prepayment) in whole
or in part prior to its stated maturity;

         Section 6.08     Bankruptcy.  The Company or any of its Subsidiaries
shall commence a voluntary case concerning itself under Title 11 of the United
States Code entitled "Bankruptcy" as now or hereafter in effect, or any
successor thereto (the "Bankruptcy Code"); or an involuntary case is commenced
against the Company or any of its Subsidiaries and the petition is not
controverted within 10 days, or is not stayed or dismissed within 60 days,
after commencement of the case; or a custodian (as defined in the Bankruptcy
Code) is appointed for, or takes charge of, all or any substantial part of the
property of the Company or any of its Subsidiaries; or the Company or any of
its Subsidiaries commences any other proceeding under any reorganization,
arrangement, adjustment of debt, relief of debtors, dissolution, insolvency or
liquidation or similar law of any jurisdiction whether now or hereafter in
effect relating to





                                      -70-
<PAGE>   78
the Company or such Subsidiary or there is commenced against the Company or any
of its Subsidiaries any such proceeding which remains unstayed or undismissed
for a period of 60 days; or the Company or any of its Subsidiaries is
adjudicated insolvent or bankrupt; or any order of relief or other order
approving any such case or proceeding is entered; or the Company or any of its
Subsidiaries suffers any appointment of any custodian or the like for it or any
substantial part of its Property to continue undischarged or unstayed for a
period of 60 days; or the Company or any of its Subsidiaries makes a general
assignment for the benefit of creditors; or the Company or any of its
Subsidiaries shall fail to pay, or shall state that it is unable to pay, or
shall be unable to pay, its debts generally as they become due; or the Company
or any of its Subsidiaries shall by any act or failure to act indicate its
consent to, approval of or acquiescence in any of the foregoing; or any
corporate action is taken by the Company or any of its Subsidiaries for the
purpose of effecting any of the foregoing;

         Section 6.09     ERISA.  A Plan shall fail to maintain the minimum
funding standard required by Section 412 of the Code for any plan year or a
waiver of such standard is sought or granted under Section 412(d), or a Plan
is, shall have been or is likely to be, terminated or the subject of
termination proceedings under ERISA, or the Company or an ERISA Affiliate has
incurred or is likely to incur a liability to or on account of a Plan under
Section 515, 4062, 4063, 4064, 4201 or 4204 of ERISA, and there shall result
from any such event or events either a liability or a material risk of
incurring a liability to the PBGC or a Plan, which will have a Material Adverse
Effect;

         Section 6.10     Money Judgment.  A judgment or order for the payment
of money in excess of $1,000,000 or that would otherwise have a Material
Adverse Effect shall be rendered against the Company or any of it Subsidiaries
and such judgment or order shall continue unsatisfied in accordance with the
terms of such judgment or order (in the case of a money judgment) and in effect
for a period of 30 days during which execution shall not be effectively stayed
or deferred (whether by action of a court, by agreement or otherwise);

         Section 6.11     Discontinuance of Business.  The Company or any
Guarantor shall cease to carry on its business as currently conducted or as
contemplated to be conducted;

         Section 6.12     Security Instruments.  The material terms of the
Security Instruments after delivery thereof shall for any reason, except to the
extent permitted by the terms thereof, cease to be in full force and effect and
valid, binding and enforceable (except as enforceability may be limited as
stated in Section 4.03) in accordance with their terms, or cease to create a
valid and perfected Lien of the priority contemplated thereby on any of the
collateral purported to be covered thereby, or the Company or any of its
Subsidiaries (or any other Person who may have granted or purported to grant
such Lien) shall so state in writing;

         Section 6.13     Change of Control.  The occurrence of a Change of
Control;

         Section 6.14     Mandatory Prepayments.  The Company shall fail to
make any mandatory prepayment required by Section 2.10; or

         Section 6.15     Material Adverse Event.  The occurrence of any event
or condition that the Majority Lenders believe in good faith to have resulted
in a Material Adverse Effect;

then, and in any such event, and at any time thereafter, if any Event of
Default shall then be continuing, the Agent, upon the written or telex request
of the Majority Lenders, shall, by written notice to the





                                      -71-
<PAGE>   79
Company, take any or all of the following actions, without prejudice to the
rights of the Agent, any Lender or the holder of any Note, to enforce its
claims against the Company:  (i) declare the Revolving Credit Commitment, the
Unavailable Commitment and other lending obligations, if any, terminated,
whereupon the Revolving Credit Commitment, the Unavailable Commitment and other
lending obligations, if any, of each Lender shall terminate immediately; or
(ii) declare the entire principal amount of and all accrued interest on all
Lender Indebtedness then outstanding to be, whereupon the same shall become,
forthwith due and payable without presentment, demand, protest, notice of
protest or dishonor, notice of acceleration, notice of intent to accelerate or
other notice of any kind, all of which are hereby expressly waived by the
Company, and thereupon take such action as it may deem desirable under and
pursuant to the Financing Documents; provided, that, if an Event of Default
specified in Section 6.08 shall occur, the result which would occur upon the
giving of written notice by the Agent to the Company, as specified in clauses
(i) and (ii) above, shall occur automatically without the giving of any such
notice.


                                  ARTICLE VII

                                   THE AGENT

         Section 7.01     Appointment of Agent.  Each Lender and the Issuing
Bank hereby designate Texas Commerce Bank National Association, as Agent to act
as herein specified.  Each Lender and the Issuing Bank hereby irrevocably
authorizes the Agent to take such action on its behalf under the provisions of
this Agreement, the Notes, and the other Financing Documents and to exercise
such powers and to perform such duties hereunder and thereunder as are
specifically delegated to or required of the Agent by the terms hereof and
thereof and such other powers as are reasonably incidental thereto.  The Agent
may perform any of its duties hereunder by or through its agents or employees.

         Section 7.02     Nature of Duties of Agent and Co-Agent.  The Agent
and the Co-Agent shall have no duties or responsibilities except those
expressly set forth with respect to each of the Agent or the Co-Agent in this
Agreement.  Neither the Agent, the Co-Agent nor any of their respective
officers, directors, employees or agents shall be liable for any action taken
or omitted by it as such hereunder or in connection herewith, unless caused by
its or their gross negligence or willful misconduct.  The duties of the Agent
and the Co-Agent shall be mechanical and administrative in nature; the Agent
and the Co-Agent shall not have by reason of this Agreement a fiduciary
relationship in respect of any Lender; and nothing in this Agreement, expressed
or implied, is intended to or shall be so construed as to impose upon the Agent
or the Co-Agent any obligations in respect of this Agreement except as
expressly set forth herein.

         Section 7.03     Lack of Reliance on the Agent and the Co-Agent.

                 (a)      Independent Investigation.  Independently and without
         reliance upon the Agent or the Co-Agent, each Lender, to the extent it
         deems appropriate, has made and shall continue to make (i) its own
         independent investigation of the financial condition and affairs of
         the Company in connection with the taking or not taking of any action
         in connection herewith, and (ii) its own appraisal of the
         creditworthiness of the Company, and, except as expressly provided in
         this Agreement, the Agent and the Co-Agent shall have no duty or
         responsibility, either initially or on a continuing basis, to provide
         any Lender with any credit or other information with respect thereto,
         whether coming into its possession before the consummation of the
         transactions contemplated herein or at any time or times thereafter.





                                      -72-
<PAGE>   80
                 (b)      Agent Not Responsible.  The Agent and the Co-Agent
         shall not be responsible to any Lender or the Issuing Bank for any
         recitals, statements, information, representations or warranties
         herein or in any document, certificate or other writing delivered in
         connection herewith or for the execution, effectiveness, genuineness,
         validity, enforceability, collectibility, priority or sufficiency of
         this Agreement, the Notes, the Letters of Credit or the other
         Financing Documents or the financial condition of the Company or be
         required to make any inquiry concerning either the performance or
         observance of any of the terms, provisions or conditions of this
         Agreement, the Notes or the other Financing Documents, or the
         financial condition of the Company, or the existence or possible
         existence of any Default or Event of Default.

         Section 7.04     Certain Rights of the Agent.  If the Agent shall
request instructions from the Majority Lenders with respect to any act or
action (including the failure to act) in connection with this Agreement, the
Notes and the other Financing Documents, the Agent shall be entitled to refrain
from such act or taking such action unless and until the Agent shall have
received instructions from the Majority Lenders; and the Agent shall not incur
liability to any Person by reason of so refraining.  Without limiting the
foregoing, no Lender shall have any right of action whatsoever against the
Agent as a result of the Agent acting or refraining from acting under this
Agreement, the Notes and the other Financing Documents in accordance with the
instructions of the Majority Lenders.

         Section 7.05     Reliance by Agent.  The Agent shall be entitled to
rely, and shall be fully protected in relying, upon any note, writing,
resolution, notice, statement, certificate, telex, teletype or telecopier
message, cablegram, radiogram, order or other documentary, teletransmission or
telephone message believed by it to be genuine and correct and to have been
signed, sent or made by the proper Person.  The Agent may consult with legal
counsel (including counsel for the Company), independent public accountants and
other experts selected by it and shall not be liable for any action taken or
omitted to be taken by it in good faith in accordance with the advice of such
counsel, accountants or experts.

         Section 7.06     INDEMNIFICATION OF AGENT AND THE CO-AGENT.  TO THE
EXTENT THE AGENT OR THE CO-AGENT IS NOT REIMBURSED AND INDEMNIFIED BY THE
COMPANY, EACH LENDER WILL REIMBURSE AND INDEMNIFY THE AGENT OR THE CO-AGENT, AS
APPLICABLE, IN PROPORTION TO ITS PERCENTAGE SHARE, FOR AND AGAINST ANY AND ALL
LIABILITIES, OBLIGATIONS, LOSSES, DAMAGES, PENALTIES, ACTIONS, JUDGMENTS,
SUITS, COSTS, EXPENSES (INCLUDING COUNSEL FEES AND DISBURSEMENTS) OR
DISBURSEMENTS OF ANY KIND OR NATURE WHATSOEVER WHICH MAY BE IMPOSED ON,
INCURRED BY OR ASSERTED AGAINST THE AGENT OR THE CO-AGENT IN PERFORMING ITS
DUTIES HEREUNDER, IN ANY WAY RELATING TO OR ARISING OUT OF THIS AGREEMENT;
PROVIDED THAT NO LENDER SHALL BE LIABLE TO THE AGENT OR THE CO-AGENT FOR ANY
PORTION OF SUCH LIABILITIES, OBLIGATIONS, LOSSES, DAMAGES, PENALTIES, ACTIONS,
JUDGMENTS, SUITS, COSTS, EXPENSES OR DISBURSEMENTS RESULTING FROM, AS TO THE
AGENT, THE AGENT'S GROSS NEGLIGENCE OR WILLFUL MISCONDUCT OR, AS TO THE
CO-AGENT, THE CO-AGENT'S GROSS NEGLIGENCE OR WILLFUL MISCONDUCT.

         Section 7.07     The Agent and Co-Agent in their Individual Capacity.
With respect to their obligations under this Agreement, the Loans made by it
and the Note issued to it, the Agent and Co-Agent shall have the same rights
and powers hereunder as any other Lender or holder of a Note and may exercise
the same as though it were not performing the duties, if any, specified herein;
and the terms "Lenders," "Majority Lenders," "holders of Notes" or any similar
terms shall, unless the context clearly otherwise indicates, include the Agent
and Co- Agent in their individual capacity.  The Agent and Co-Agent may accept
deposits from, lend money to, and generally engage in any kind of banking,
trust,





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financial advisory or other business with the Company or any affiliate of the
Company as if it were not performing the duties, if any, specified herein, and
may accept fees and other consideration from the Company for services in
connection with this Agreement and otherwise without having to account for the
same to the Lenders.

         Section 7.08     May Treat Lender as Owner.  The Agent and the
Co-Agent may deem and treat each Lender as the owner of such Lender's Note for
all purposes hereof unless and until a written notice of the assignment or
transfer thereof shall have been filed with the Agent.  Any request, authority
or consent of any Person who at the time of making such request or giving such
authority or consent is the owner of a Note shall be conclusive and binding on
any subsequent owner, transferee or assignee of such Note or any promissory
note or notes issued in exchange therefor.

         Section 7.09     Successor Agent.

                 (a)      Agent Resignation.  The Agent may resign at any time
         by giving written notice thereof to the Lenders, the Issuing Bank and
         the Company and may be removed at any time with or without cause by
         the Majority Lenders.  Upon any such resignation or removal, the
         Majority Lenders shall have the right, upon five days' notice to the
         Company, to appoint a successor Agent.  If no successor Agent shall
         have been so appointed by the Majority Lenders, and shall have
         accepted such appointment, within 30 days after the retiring Agent's
         giving of notice of resignation or the Majority Lenders' removal of
         the retiring Agent, then, upon five days' notice to the Company, the
         retiring Agent may, on behalf of the Lenders, appoint a successor
         Agent, which shall be a bank which maintains an office in the United
         States, or a commercial bank organized under the laws of the United
         States of America or of any State thereof, or any Affiliate of such
         bank, having a combined capital and surplus of at least $250,000,000.

                 (b)      Rights, Powers, etc.  Upon the acceptance of any
         appointment as Agent hereunder by a successor Agent, such successor
         Agent shall thereupon succeed to and become vested with all the
         rights, powers, privileges and duties of the retiring Agent, and the
         retiring Agent shall be discharged from its duties and obligations
         under this Agreement.  After any retiring Agent's resignation or
         removal hereunder as Agent, the provisions of this Article VII shall
         inure to its benefit as to any actions taken or omitted to be taken by
         it while it was Agent under this Agreement.


                                  ARTICLE VIII

                                 MISCELLANEOUS

         Section 8.01     Notices.  All notices, requests and other
communications to any party hereunder shall be in writing (including, telecopy
or similar teletransmission or writing) and shall be given to such party at its
address or telecopy number set forth on the signature pages hereof or such
other address or telecopy number as such party may hereafter specify by notice
to the Agent and the Company; provided that a copy of all notices to the Agent
(a) which are Advance Notices shall also be sent to Texas Commerce Bank
National Association, 712 Main Street, Houston, Texas 77002, Telecopier No.
(713)216-6387, Attention: Stan Burge, (b) which are requests for the issuance
of a Letter of Credit by TCB shall also be sent to Texas Commerce Bank,
Documentary Services Division, 717 Travis, 3 TCBS-300, Houston, Texas 77002,
Telcopier No. (713)236-4222, and (c) which are requests for the issuance





                                      -74-
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of a Letter of Credit by Banque Paribas shall also be sent to Banque Paribas,
1200 Smith Street, Suite 3100, Houston, Texas 77002, Telecopier No. (713)
659-3832, Attention: Cheryl Johnson, with a copy to Texas Commerce Bank
National Association, Loan Syndication Services, 1111 Fannin Street, 9th Floor
MS 46, Houston, Texas 77002, Telecopier No.  (713)750-3810, Attention:  Roy
Mendiola.  Each such notice, request or other communication shall be effective
(i) if given by mail, 72 hours after such communication is deposited in the
mails with first class postage prepaid, addressed as aforesaid, or (ii) if
given by any other means (including, but not limited to, by air courier), when
delivered at the address specified in this Section; provided that notices to
the Agent shall not be effective until received.

         Section 8.02     Amendments, etc.  Any provision of this Agreement or
any other Financing Document may be amended, modified or waived with the
Company's and the Majority Lenders' prior written consent; provided that (a) no
amendment, modification or waiver which extends the due date or maturity of the
Loans, the Term Loan Drawdown Termination Date, the Revolving Credit Maturity
Date or the Term Loan Maturity Date, releases all or substantially all of the
Collateral, reduces the interest rate applicable to the Loans or the fees
payable to the Lenders generally, releases the Company or any material
Guarantor from its respective obligation to pay principal or interest on the
Loans, affects this Section 8.02 or Section 8.04 or modifies the definition of
"Majority Lenders", shall be effective without consent of all Lenders; (b) no
amendment, modification or waiver which increases the Commitment of any Lender
shall be effective without the consent of such Lender; (c) no amendment,
modification or waiver which modifies the rights, duties or obligations of the
Agent shall be effective without the consent of the Agent; (d) no amendment,
modification or waiver which modifies the rights, duties or obligations of the
Co-Agent shall be effective without the consent of the Co-Agent; and (e) no
amendment, modification or waiver which modifies the rights, duties or
obligations of either Issuing Bank shall be effective without the consent of
the applicable Issuing Bank.  Notwithstanding anything in this Section to the
contrary, unless instructed to the contrary by the Majority Lenders, the
applicable Issuing Bank shall extend each Letter of Credit prior to any
expiration date thereof pursuant to the terms of such Letter of Credit or its
related Application if a failure to so extend such Letter of Credit would
result in entitling the beneficiary thereof to draw thereon.

         Section 8.03     No Waiver; Remedies Cumulative.  No failure or delay
on the part of the Company or the Agent or any Lender or any holder of any Note
in exercising any right or remedy under this Agreement or any other Financing
Document and no course of dealing between the Company and the Agent or any
Lender or any holder of any Note shall operate as a waiver thereof, nor shall
any single or partial exercise of any right or remedy under the Notes, this
Agreement or any other Financing Document preclude any other or further
exercise thereof or the exercise of any other right or remedy under the Notes,
this Agreement or any other Financing Document.  The rights and remedies herein
expressly provided are cumulative and not exclusive of any rights or remedies
which the Company, the Agent or any Lender would otherwise have.  No notice to
or demand on the Company not required under the Notes, this Agreement or any
other Financing Document in any case shall entitle the Company to any other or
further notice or demand in similar or other circumstances or constitute a
waiver of the rights of the Agent or the Lenders to any other or further action
in any circumstances without notice or demand.

         Section 8.04     Payment of Expenses, Indemnities, etc.  The Company
agrees to (and shall be liable for):

                 (a)      Expenses.  Whether or not the transactions hereby
         contemplated are consummated, pay all reasonable out-of-pocket costs
         and expenses of the Agent and each Issuing Bank in the administration
         (both before and after the execution hereof and including advice of





                                      -75-
<PAGE>   83
         counsel as to the rights and duties of the Agent and the Lenders with
         respect thereto) of, and in connection with the preparation, execution
         and delivery of, recording or filing of, preservation of rights under,
         enforcement of, and, after a Default, refinancing, renegotiation or
         restructuring of, this Agreement, the Notes, and the other Financing
         Documents and any amendment, waiver or consent relating thereto
         (including, but not limited to, the reasonable fees and disbursements
         of counsel for the Agent and in the case of enforcement for any of the
         Lenders) and promptly reimburse the Agent for all amounts expended,
         advanced, or incurred by the Agent or the Lenders to satisfy any
         obligation of the Company or the Guarantors under this Agreement or
         any other Financing Document;

                 (B)      INDEMNIFICATION.  INDEMNIFY THE AGENT, THE CO-AGENT,
         THE ISSUING BANKS AND EACH LENDER, EACH OF THEIR RESPECTIVE OFFICERS,
         DIRECTORS, EMPLOYEES, REPRESENTATIVES, AGENTS AND AFFILIATES FROM,
         HOLD EACH OF THEM HARMLESS AGAINST, AND PROMPTLY UPON DEMAND PAY OR
         REIMBURSE EACH OF THEM FOR, ANY AND ALL ACTIONS, SUITS, PROCEEDINGS
         (INCLUDING ANY INVESTIGATIONS, LITIGATION OR INQUIRIES), CLAIMS,
         COSTS, LOSSES, LIABILITIES, DAMAGES OR EXPENSES OF ANY KIND OR NATURE
         WHATSOEVER WHICH MAY BE INCURRED BY OR ASSERTED AGAINST OR INVOLVE ANY
         OF THEM (WHETHER OR NOT ANY OF THEM IS DESIGNATED A PARTY THERETO) AS
         A RESULT OF, ARISING OUT OF OR IN ANY WAY RELATED TO (I) ANY ACTUAL OR
         PROPOSED USE BY THE COMPANY OR ANY SUBSIDIARY OF THE COMPANY OF THE
         PROCEEDS OF ANY OF THE LOANS; OR (II) ANY OTHER ASPECT OF THIS
         AGREEMENT, THE NOTES, AND THE FINANCING DOCUMENTS, INCLUDING BUT NOT
         LIMITED TO THE REASONABLE FEES AND DISBURSEMENTS OF COUNSEL (INCLUDING
         ALLOCATED COSTS OF INTERNAL COUNSEL) AND ALL OTHER EXPENSES INCURRED
         IN CONNECTION WITH INVESTIGATING, DEFENDING OR PREPARING TO DEFEND ANY
         SUCH ACTION, SUIT, PROCEEDING (INCLUDING ANY INVESTIGATIONS,
         LITIGATION OR INQUIRIES) OR CLAIM, AND INCLUDING ALL ACTIONS, SUITS,
         PROCEEDINGS (INCLUDING ANY INVESTIGATIONS, LITIGATION OR INQUIRIES),
         CLAIMS, COSTS, LOSSES, LIABILITIES, DAMAGES OR EXPENSES ARISING BY
         REASON OF ORDINARY NEGLIGENCE OF ANY OF THE AGENT, THE CO-AGENT, THE
         ISSUING BANKS AND EACH LENDER, EACH OF THEIR RESPECTIVE OFFICERS,
         DIRECTORS, EMPLOYEES, REPRESENTATIVES, AGENTS AND AFFILIATES;
         PROVIDED, HOWEVER, THE PROVISIONS OF THIS SECTION 8.04(B) SHALL NOT
         APPLY TO ANY ACTION, SUITS, PROCEEDINGS, CLAIMS, COSTS, LOSSES,
         LIABILITIES, DAMAGES, OR EXPENSES TO THE EXTENT, BUT ONLY TO THE
         EXTENT, CAUSED BY THE GROSS NEGLIGENCE OR WILLFUL MISCONDUCT OF THE
         PARTY SEEKING INDEMNIFICATION;

                 (C)      ENVIRONMENTAL INDEMNIFICATION.  INDEMNIFY AND HOLD
         HARMLESS FROM TIME TO TIME THE AGENT, THE CO-AGENT, THE ISSUING BANKS
         AND THE LENDERS, EACH PERSON CLAIMING BY, THROUGH, UNDER OR ON ACCOUNT
         OF ANY OF THE FOREGOING AND THE RESPECTIVE DIRECTORS, OFFICERS,
         COUNSEL, EMPLOYEES, AGENTS, SUCCESSORS AND ASSIGNS OF EACH OF THE
         FOREGOING FROM AND AGAINST ANY AND ALL LOSSES, CLAIMS, COST RECOVERY
         ACTIONS, ADMINISTRATIVE ORDERS OR PROCEEDINGS, DAMAGES AND LIABILITIES
         (WHICH RELATE TO OR ARISE AS A RESULT OF THE LOANS, THE LETTERS OF
         CREDIT OR ANY FINANCING DOCUMENT) TO WHICH ANY SUCH PERSON MAY BECOME
         SUBJECT AND INCLUDING ANY AND ALL LOSSES, CLAIMS, COST RECOVERY
         ACTIONS, ADMINISTRATIVE ORDERS OR PROCEEDINGS, DAMAGES AND LIABILITIES
         (WHICH RELATE TO OR ARISE AS A RESULT OF THE LOANS, THE LETTERS OF
         CREDIT OR ANY FINANCING DOCUMENT) ARISING BY REASON OF THE ORDINARY
         NEGLIGENCE OF THE AGENT, THE CO-AGENT AND THE LENDERS, EACH PERSON
         CLAIMING BY, THROUGH, UNDER OR ON ACCOUNT OF ANY OF THE





                                      -76-
<PAGE>   84
         FOREGOING AND THE RESPECTIVE DIRECTORS, OFFICERS, COUNSEL, EMPLOYEES,
         AGENTS, SUCCESSORS AND ASSIGNS OF EACH OF THE FOREGOING (1) UNDER ANY
         ENVIRONMENTAL LAW APPLICABLE TO THE COMPANY OR ANY OF ITS SUBSIDIARIES
         OR ANY OF THEIR RESPECTIVE PROPERTIES, INCLUDING WITHOUT LIMITATION,
         THE TREATMENT OR DISPOSAL OF HAZARDOUS SUBSTANCES ON ANY OF THEIR
         RESPECTIVE PROPERTIES, (2) AS A RESULT OF THE BREACH OR NON-COMPLIANCE
         BY THE COMPANY OR ANY OF ITS SUBSIDIARIES WITH ANY ENVIRONMENTAL LAW
         APPLICABLE TO THE COMPANY OR ANY OF ITS SUBSIDIARIES, (3) DUE TO PAST
         OWNERSHIP BY THE COMPANY OR ANY OF ITS SUBSIDIARIES OF ANY OF THEIR
         RESPECTIVE PROPERTIES OR PAST ACTIVITY ON ANY OF THEIR RESPECTIVE
         PROPERTIES OR PAST ACTIVITY ON ANY OF THEIR RESPECTIVE PROPERTIES
         WHICH, THOUGH LAWFUL AND FULLY PERMISSIBLE AT THE TIME, COULD RESULT
         IN PRESENT LIABILITY, (4) THE PRESENCE, USE, RELEASE, STORAGE,
         TREATMENT OR DISPOSAL OF HAZARDOUS SUBSTANCES ON OR AT ANY OF THE
         PROPERTIES OWNED OR OPERATED BY THE COMPANY OR ANY OF ITS
         SUBSIDIARIES, OR (5) ANY OTHER ENVIRONMENTAL, HEALTH OR SAFETY
         CONDITION IN CONNECTION WITH THIS AGREEMENT, THE NOTES OR ANY OTHER
         FINANCING DOCUMENT; PROVIDED, HOWEVER, NO INDEMNITY SHALL BE AFFORDED
         UNDER THIS SECTION 8.04(C) IN RESPECT OF ANY PROPERTY FOR ANY
         OCCURRENCE ARISING SOLELY AND DIRECTLY FROM THE ACTS OR OMISSIONS OF
         THE AGENT OR ANY LENDER DURING THE PERIOD AFTER WHICH SUCH PERSON, ITS
         SUCCESSORS OR ASSIGNS SHALL HAVE OBTAINED POSSESSION OF SUCH PROPERTY
         (WHETHER BY FORECLOSURE OR DEED IN LIEU OF FORECLOSURE, AS
         MORTGAGEE-IN-POSSESSION OR OTHERWISE); AND

                 (D)      ENVIRONMENTAL WAIVER.  WITHOUT LIMITING THE FOREGOING
         PROVISIONS, AND HEREBY DOES WAIVE, RELEASE AND COVENANT NOT TO BRING
         AGAINST ANY OF THE PERSONS IDENTIFIED IN THIS SECTION 8.04 ANY DEMAND,
         CLAIM, COST RECOVERY ACTION OR LAWSUIT THEY MAY NOW OR HEREAFTER HAVE
         OR ACCRUE (WHICH RELATE TO OR ARISE AS A RESULT OF THE LOANS, THE
         LETTERS OF CREDIT OR ANY FINANCING DOCUMENT) ARISING FROM (1) ANY
         ENVIRONMENTAL LAW NOW OR HEREAFTER ENACTED (INCLUDING THOSE APPLICABLE
         TO THE COMPANY OR ANY OF ITS SUBSIDIARIES) UNLESS THE ACTS OR
         OMISSIONS OF ANY SUCH PERSON OR THEIR RESPECTIVE SUCCESSORS AND
         ASSIGNS ARE THE SOLE AND DIRECT CAUSE OF THE CIRCUMSTANCES GIVING RISE
         TO SUCH DEMAND, COST RECOVERY ACTION OR LAWSUIT, (2) THE PRESENCE,
         USE, RELEASE, STORAGE, TREATMENT OR DISPOSAL OF HAZARDOUS SUBSTANCES
         ON OR AT ANY OF THE PROPERTIES OWNED OR OPERATED BY THE COMPANY OR ANY
         OF ITS SUBSIDIARIES, OR (3) THE BREACH OR NON-COMPLIANCE BY THE
         COMPANY WITH ANY ENVIRONMENTAL LAW OR ENVIRONMENTAL COVENANT
         APPLICABLE TO THE COMPANY OR ANY OF ITS SUBSIDIARIES, UNLESS THE ACTS
         OR OMISSIONS OF SUCH PERSON, ITS SUCCESSORS AND ASSIGNS ARE THE SOLE
         AND DIRECT CAUSE OF THE CIRCUMSTANCES GIVING RISE TO SUCH DEMAND,
         CLAIM, COST RECOVERY ACTION OR LAWSUIT.

If and to the extent that the obligations of the Company under this Section are
unenforceable for any reason, the Company hereby agrees to make the maximum
contribution to the payment and satisfaction of such obligations which is
permissible under applicable law.  The Company's obligations under this Section
shall survive any termination of this Agreement and the payment of the Notes.

         Section 8.05     Right of Setoff.  In addition to and not in
limitation of all rights of offset that any Lender or either Issuing Bank may
have under applicable law, each Lender or other holder of a Note, or any other
Lender Indebtedness shall, upon the occurrence of any Event of Default and at
any time





                                      -77-
<PAGE>   85
during the continuance thereof and whether or not such Lender, such Issuing
Bank or such holder has made any demand or the Company's obligations are
matured, have the right at any time and from time to time, without notice to
the Company (any such notice being expressly waived by the Company) to set-off
and apply any and all deposits (general or special, time or demand, provisional
or final) at any time held and other indebtedness at any time owing by any
Lender or such Issuing Bank to or for the credit or the account of the Company
against any and all of the Lender Indebtedness then outstanding.

         Section 8.06     Benefit of Agreement.

                 (a)      Benefit of Parties.  The Notes, this Agreement and
         the other Financing Documents shall be binding upon and inure to the
         benefit of and be enforceable by the respective successors and assigns
         of the parties hereto, provided that the Company may not assign or
         transfer any of its interest hereunder or thereunder without the prior
         written consent of the Lenders.  In the event that any Lender sells
         participations in the Notes or other Lender Indebtedness of the
         Company incurred or to be incurred pursuant to this Agreement, to
         other banks or entities, each of such other banks or entities shall
         have the rights of set-off against such Lender Indebtedness and
         similar rights or Liens to the same extent as may be available to the
         Agent or the Lenders.

                 (b)      Branch Offices, Affiliates.  Any Lender may make,
         carry or transfer Loans at, to or for the account of, any of its
         branch offices or the office of an Affiliate of such Lender.

         Section 8.07     Assignments and Participations.

                 (a)      No Company Assignments.  The Company may not assign
         its rights and obligations hereunder or under the Notes.

                 (b)      Assignment by Lenders.  Each Lender may, upon the
         written consent of the Agent and the Company (which consent shall not
         be unreasonably withheld), assign to one or more Eligible Transferees
         all or a portion of its rights and obligations under this Agreement
         pursuant to an Assignment and Acceptance Agreement substantially in
         the form of Exhibit F (an "Assignment and Acceptance") provided,
         however, that (i) any such assignment shall be in the aggregate amount
         of at least $5,000,000 or such lesser amount to which the Company has
         consented (or if the aggregate amount of any Lender's Loans and
         Commitments is less than $5,000,000, then the entire amount of such
         Lender's Loans and Commitments), and (ii) the assignee shall pay to
         the Agent a processing and recordation fee of $2,500.  Any such
         assignment will become effective upon the recording by the Agent of
         such assignment in the Register of the resultant effects thereof on
         the Commitment of the assignor and assignee, and the principal amount
         outstanding of the Loans owed to the assignor and assignee, the Agent
         hereby agreeing to effect such recordation no later than five Business
         Days after its receipt of an Assignment and Acceptance executed by all
         parties thereto.  Promptly after receipt of an Assignment and
         Acceptance executed by all parties thereto, the Agent shall send to
         the Company a copy of such executed Assignment and Acceptance.  Upon
         receipt of such executed Assignment and Acceptance, the Company, will,
         at its own expense, execute and deliver new Notes to the assignor
         and/or assignee, as appropriate, in accordance with their respective
         interests as they appear on the Register.  Upon the effectiveness of
         any assignment pursuant to this subsection, the assignee shall be
         deemed automatically to have become a party hereto, if not already a
         party hereto, and shall become a "Lender," if not already a "Lender,"
         for all purposes of this





                                      -78-
<PAGE>   86
         Agreement and the other Financing Documents.  The assignor shall be
         relieved of its obligations hereunder to the extent of such assignment
         (and if the assigning Lender no longer holds any rights or obligations
         under this Agreement, such assigning Lender shall cease to be a
         "Lender" hereunder).  The Agent will prepare on the last Business Day
         of each month during which an assignment has become effective pursuant
         to this subsection a new schedule giving effect to all such
         assignments effected during such month, and will promptly provide the
         same to the Company, the Issuing Banks and each of the Lenders.

                 (c)      Participations.  Each Lender may transfer, grant or
         assign participations in all or any part of such Lender's interests
         hereunder pursuant to this subsection to any Person, provided that:
         (i) such Lender shall remain a "Lender" for all purposes of this
         Agreement and the transferee of such participation shall not
         constitute a "Lender" hereunder; and (ii) no participant under any
         such participation shall have rights to approve any amendment to or
         waiver of this Agreement, the Notes or any Financing Document except
         to the extent such amendment or waiver would (x) extend the Revolving
         Credit Maturity Date or the Term Loan Maturity Date of any of the
         Commitments or Loans in which such participant is participating, (y)
         reduce the interest rate (other than as a result of waiving the
         applicability of any post-default increases in interest rates) or fees
         applicable to any of the Commitments or Loans in which such
         participant is participating, or postpone the payment of any thereof,
         or (z) release all or substantially all of the collateral or
         guaranties (except as expressly provided in the Financing Documents)
         supporting any of the Commitments or Loans in which such participant
         is participating.  In the case of any such participation, the
         participant shall not have any rights under this Agreement or any of
         the Financing Documents (the participant's rights against the granting
         Lender in respect of such participation to be those set forth in the
         agreement with such Lender creating such participation), and all
         amounts payable by the Company hereunder shall be determined as if
         such Lender had not sold such participation, provided that such
         participant shall be entitled to receive additional amounts under
         Sections 2.16 and 2.18 on the same basis as if it were a Lender.  In
         addition, each agreement creating any participation must include an
         agreement by the participant to be bound by the provisions of Section
         8.15.  Notwithstanding anything in this Section 8.07(c) to the
         contrary, the purchase by each Lender of a participation in the
         Letters of Credit on the Effective Date and any subsequent assignment
         of all or any part of any such Lender's Percentage Share in any Letter
         of Credit and its related Letter of Credit Liabilities pursuant to
         Section 8.07(b) shall not be considered a participation pursuant to
         this Section 8.07(c).

                 (d)      Registration Statements; Blue Sky Laws.
         Notwithstanding any other provisions of this Section 8.07, no transfer
         or assignment of the interests or obligations of any Lender hereunder
         or any grant of participations therein shall be permitted if such
         transfer, assignment or grant would require the Company or any
         Guarantor to file a registration statement with the Securities and
         Exchange Commission or to qualify the Loans under the "Blue Sky" laws
         of any state.

                 (e)      Certain Representations.  Each Lender initially party
         to this Agreement hereby represents, and each Person that becomes a
         Lender pursuant to an assignment permitted by subsection (b) above
         will, upon its becoming party to this Agreement, represent that it is
         an Eligible Transferee, and that it will make or acquire Loans only
         for its own account in the ordinary course of its business; provided,
         however, that subject to the preceding Subsections (b) through (d),
         the disposition of any promissory notes or other evidences of or
         interests in Lender Indebtedness held by such Lender shall at all
         times be within its exclusive control.





                                      -79-
<PAGE>   87
                 (f)      Assignees Treated as Lenders.  The entries in the
         Register shall be conclusive in the absence of manifest error and the
         Company, the Agent, the Issuing Bank and the Lenders may treat each
         person whose name is recorded in the Register pursuant to the terms
         hereof as a Lender hereunder for all purposes of this Agreement and
         the other Financing Documents.  The Register shall be available for
         inspection by the Company and any Lender, at any reasonable time and
         from time to time upon reasonable prior notice.

         Section 8.08     Governing Law; Submission to Jurisdiction; Etc.

                 (A)      GOVERNING LAW.  THIS AGREEMENT AND THE RIGHTS AND
         OBLIGATIONS OF THE PARTIES HEREUNDER AND UNDER THE NOTES SHALL BE
         CONSTRUED IN ACCORDANCE WITH AND BE GOVERNED BY THE LAWS OF THE STATE
         OF TEXAS AND TO THE EXTENT CONTROLLING, LAWS OF THE UNITED STATES OF
         AMERICA.  TEX. REV. CIV. STAT. ANN. ART. 5069, CH. 15 (WHICH REGULATES
         CERTAIN REVOLVING CREDIT LOAN ACCOUNTS AND REVOLVING TRI- PARTY
         ACCOUNTS) SHALL NOT APPLY TO THIS AGREEMENT OR THE OTHER FINANCING
         DOCUMENTS.

                 (B)      SUBMISSION TO JURISDICTION.  ANY LEGAL ACTION OR
         PROCEEDING WITH RESPECT TO THIS AGREEMENT, THE NOTES OR THE OTHER
         FINANCING DOCUMENTS MAY BE BROUGHT IN THE COURTS OF THE STATE OF TEXAS
         OR OF THE UNITED STATES OF AMERICA FOR THE SOUTHERN DISTRICT OF TEXAS,
         AND, BY EXECUTION AND DELIVERY OF THIS AGREEMENT, THE COMPANY HEREBY
         ACCEPTS FOR ITSELF AND IN RESPECT OF ITS PROPERTY, GENERALLY AND
         UNCONDITIONALLY, THE JURISDICTION OF THE AFORESAID COURTS.  THE
         COMPANY HEREBY IRREVOCABLY WAIVES ANY OBJECTION, INCLUDING, BUT NOT
         LIMITED TO, ANY OBJECTION TO THE LAYING OF VENUE OR BASED ON THE
         GROUNDS OF FORUM NON CONVENIENS, WHICH IT MAY NOW OR HEREAFTER HAVE TO
         THE BRINGING OF ANY SUCH ACTION OR PROCEEDING IN SUCH RESPECTIVE
         JURISDICTIONS.

                 (c)      Designation of Agent.  The Company hereby irrevocably
         designates its General Counsel, currently designated as James C.
         Reed, Jr., as the designee, appointee and agent of the Company to
         receive, for and on behalf of the Company, service of process in such
         respective jurisdictions in any legal action or proceeding with
         respect to this Agreement, the Notes, or the other Financing
         Documents.  It is understood that a copy of such process served on
         such agent will be promptly forwarded by mail to the Company at its
         address set forth opposite its signature below, but the failure of the
         Company to receive such copy shall not affect in any way the service
         of such process.  The Company further irrevocably consents to the
         service of process of any of the aforementioned courts in any such
         action or proceeding by the mailing of copies thereof by registered or
         certified mail, postage prepaid, to the Company at its said address,
         such service to become effective 30 days after such mailing.

                 (d)      Service of Process.  Nothing herein shall affect the
         right of the Agent or any Lender or any holder of a Note to serve
         process in any other manner permitted by law or to commence legal
         proceedings or otherwise proceed against the Company in any other
         jurisdiction.

         Section 8.09     Independent Nature of Lenders' Rights.  The amounts
payable at any time hereunder to each Lender shall be a separate and
independent debt, and each Lender shall be entitled to protect and enforce its
rights arising out of this Agreement, and it shall not be necessary for any
other Lender to be joined as an additional party in any proceeding for such
purpose.





                                      -80-
<PAGE>   88
     Section 8.10   Invalidity.  In the event that any one or more of the
provisions contained in the Notes, this Agreement or in any other Financing
Document shall, for any reason, be held invalid, illegal or unenforceable in
any respect, such invalidity, illegality or unenforceability shall not affect
any other provision of the Notes, this Agreement or any other Financing
Document.

     Section 8.11   Survival of Agreements.  All representations and warranties
of the Company or its Subsidiaries or any other Person herein or in the other
Financing Documents, and all covenants and agreements herein not fully
performed before the Effective Date, shall survive such date or dates.

     Section 8.12   Renewal, Extension or Rearrangement.  All provisions of
this Agreement and of any other Financing Documents relating to the Notes or
other Lender Indebtedness shall apply with equal force and effect to each and
all promissory notes hereafter executed which in whole or in part represent a
renewal, extension for any period, increase or rearrangement of any part of the
Lender Indebtedness originally represented by the Notes, or of any part of such
other Lender Indebtedness.

     Section 8.13   Interest.  It is the intention of the parties hereto to
conform strictly to usury laws applicable to the Agent, the Co-Agent, the
Issuing Banks and the Lenders (collectively, the "Financing Parties") and the
Transactions.  Accordingly, if the Transactions would be usurious as to any
Financing Party under laws applicable to it, then, notwithstanding anything to
the contrary in the Notes, this Agreement or in any other Financing Document or
agreement entered into in connection with the Transactions or as security for
the Notes, it is agreed as follows:  (i) the aggregate of all consideration
which constitutes interest under law applicable to any Financing Party that is
contracted for, taken, reserved, charged or received by such Financing Party
under the Notes, this Agreement or under any of such other Financing Documents
or agreements or otherwise in connection with the Transactions shall under no
circumstances exceed the maximum amount allowed by such applicable law, (ii) in
the event that the maturity of the Notes is accelerated for any reason, or in
the event of any required or permitted prepayment, then such consideration that
constitutes interest under law applicable to any Financing Party may never
include more than the maximum amount allowed by such applicable law, and (iii)
excess interest, if any, provided for in this Agreement or otherwise in
connection with the Transactions shall be cancelled automatically by such
Financing Party and, if theretofore paid, shall be credited by such Financing
Party on the principal amount of such Financing Party's Indebtedness (or, to
the extent that the principal amount of such Financing Party's Indebtedness
shall have been or would thereby be paid in full, refunded by such Financing
Party to the Company).  The right to accelerate the maturity of the Notes does
not include the right to accelerate any interest which has not otherwise
accrued on the date of such acceleration, and the Financing Parties do not
intend to collect any unearned interest in the event of acceleration.  All sums
paid or agreed to be paid to the Financing Parties for the use, forbearance or
detention of sums included in the Lender Indebtedness shall, to the extent
permitted by law applicable to such Financing Party, be amortized, prorated,
allocated and spread throughout the full term of the Notes until payment in
full so that the rate or amount of interest on account of the Lender
Indebtedness does not exceed the applicable usury ceiling, if any.  As used in
this Section, the terms "applicable law" or "laws applicable to any Financing
Party" shall mean the law of any jurisdiction whose laws may be mandatorily
applicable notwithstanding other provisions of this Agreement, or law of the
United States of America applicable to any Financing Party and the Transactions
which would permit such Financing Party to contract for, charge, take, reserve
or receive a greater amount of interest than under such jurisdiction's law.  To
the extent that Article 5069-1.04 of the Texas Revised Civil Statutes is
relevant to any Financing Party for the purpose of determining the Highest
Lawful Rate, such Financing Party hereby elects to determine the applicable
rate ceiling under such Article by the indicated (weekly) rate





                                      -81-

<PAGE>   89
ceiling from time to time in effect, subject to such Financing Party's right
subsequently to change such method in accordance with applicable law.

     Section 8.14   Taxes, etc.  Any taxes (excluding income taxes) payable or
ruled payable by federal or state authority in respect of the Notes, this
Agreement or the other Financing Documents shall be paid by the Company,
together with interest and penalties, if any.

     Section 8.15   Confidential Information.  The Agent and each Lender agree
that all documentation and other information made available by the Company to
the Agent or such Lender under the terms of this Agreement shall (except to the
extent such documentation or other information is publicly available or
hereafter becomes publicly available other than by action of the Agent or such
Lender, or was theretofore known or hereinafter becomes known to the Agent or
such Lender independent of any disclosure thereto by the Company) be held in
the strictest confidence by the Agent or such Lender and used solely in the
administration and enforcement of the Loans from time to time outstanding from
such Lender to the Company and in the prosecution of defense of legal
proceedings arising in connection herewith; provided that (i) the Agent or such
Lender may disclose documentation and information to the Agent and/or to any
other Lender which is a party to this Agreement or any Affiliates thereof and
(ii) the Agent or such Lender may disclose such documentation or other
information to any other bank or other Person to which such Lender sells or
proposes to make an assignment or sell a participation in its Loans hereunder
if such other bank or Person, prior to such disclosure, agrees in writing to be
bound by the terms of the confidentiality statement customarily employed by the
Agent in connection with such potential transfers.  Notwithstanding the
foregoing, nothing contained herein shall be construed to prevent the Agent or
a Lender from (a) making disclosure of any information (i) if required to do so
by applicable law or regulation or accepted banking practice, (ii) to any
governmental agency or regulatory body having or claiming to have authority to
regulate or oversee any aspect of such Lender's business or that of such
Lender's corporate parent or affiliates in connection with the exercise of such
authority or claimed authority, (iii) pursuant to any subpoena or if otherwise
compelled in connection with any litigation or administrative proceeding, (iv)
to correct any false or misleading information which may become public
concerning such Person's relationship to the Company, or (v) to the extent the
Agent or such Lender or its counsel deems necessary or appropriate to effect or
preserve its security for any Lender Indebtedness or to enforce any remedy
provided in the Financing Documents, the Notes or this Agreement or otherwise
available by law; or (b) making, on a confidential basis, such disclosures as
such Lender reasonably deems necessary or appropriate to its legal counsel or
accountants (including outside auditors).  If the Agent or such Lender is
compelled to disclose such confidential information in a proceeding requesting
such disclosure, the Agent or such Lender shall seek to obtain assurance that
such confidential treatment will be accorded such information; provided,
however, that the Lender shall have no liability for the failure to obtain such
treatment.

     Section 8.16   ENTIRE AGREEMENT.  THE NOTES, THIS AGREEMENT AND THE OTHER
FINANCING DOCUMENTS EMBODY THE ENTIRE AGREEMENT AND UNDERSTANDING BETWEEN THE
AGENT, THE ISSUING BANK OR THE LENDERS AND THE OTHER RESPECTIVE PARTIES HERETO
AND THERETO AND SUPERSEDE ALL PRIOR AGREEMENTS AND UNDERSTANDINGS BETWEEN SUCH
PARTIES RELATING TO THE SUBJECT MATTER HEREOF AND THEREOF AND MAY NOT BE
CONTRADICTED BY EVIDENCE OF PRIOR, CONTEMPORANEOUS OR SUBSEQUENT AGREEMENTS OF
THE PARTIES.  THERE ARE NO UNWRITTEN ORAL AGREEMENTS BETWEEN THE PARTIES.

     Section 8.17   Attachments.  The exhibits, schedules and annexes attached
to this Agreement are incorporated herein and shall be considered a part of
this Agreement for the purposes stated herein,





                                      -82-
<PAGE>   90
except that in the event of any conflict between any of the provisions of such
exhibits and the provisions of this Agreement, the provisions of this Agreement
shall prevail.

     Section 8.18   Counterparts.  This Agreement may be executed in any number
of counterparts and by the different parties hereto on separate counterparts,
each of which when so executed and delivered shall be an original but all of
which shall together constitute one and the same instrument.

     Section 8.19   Survival of Indemnities.  The Company's obligations under
Sections 2.16, 2.18, 2.21 and 8.04 shall survive the payment in full of the
Loans and the Letter of Credit Liabilities.

     Section 8.20   Headings Descriptive.  The headings of the several sections
and subsections of this Agreement, and the Table of Contents, are inserted for
convenience only and shall not in any way affect the meaning or construction of
any provision of this Agreement.

     Section 8.21   Satisfaction Requirement.  If any agreement, certificate,
instrument or other writing, or any action taken or to be taken, is by the
terms of this Agreement required to be satisfactory to any party, the
determination of such satisfaction shall be made by such party in its sole and
exclusive judgment exercised reasonably and in good faith.

     Section 8.22   Effectiveness.  This Agreement shall not be effective until
executed by all signatories hereto and delivered to the Agent in the State of
Texas and accepted by the Agent in such state.

     Section 8.23   Conflict with E&P Mortgage.  In the event of a conflict
between the terms of the E&P Mortgage and the terms of this Agreement, the
terms of this Agreement shall control.

     SECTION 8.24   EXCULPATION PROVISIONS.  EACH OF THE PARTIES HERETO
SPECIFICALLY AGREES THAT IT HAS A DUTY TO READ THIS AGREEMENT AND THE OTHER
FINANCING DOCUMENTS AND AGREES THAT IT IS CHARGED WITH NOTICE AND KNOWLEDGE OF
THE TERMS OF THIS AGREEMENT AND THE OTHER FINANCING DOCUMENTS; THAT IT HAS IN
FACT READ THIS AGREEMENT AND IS FULLY INFORMED AND HAS FULL NOTICE AND
KNOWLEDGE OF THE TERMS, CONDITIONS AND EFFECTS OF THIS AGREEMENT; THAT IT HAS
BEEN REPRESENTED BY LEGAL COUNSEL OF ITS CHOICE THROUGHOUT THE NEGOTIATIONS
PRECEDING ITS EXECUTION OF THIS AGREEMENT AND THE OTHER FINANCING DOCUMENTS;
AND HAS RECEIVED THE ADVICE OF ITS ATTORNEYS IN ENTERING INTO THIS AGREEMENT
AND THE OTHER FINANCING DOCUMENTS; AND THAT IT RECOGNIZES THAT CERTAIN OF THE
TERMS OF THIS AGREEMENT AND THE OTHER FINANCING DOCUMENTS RESULT IN ONE PARTY
ASSUMING THE LIABILITY INHERENT IN SOME ASPECTS OF THE TRANSACTION AND
RELIEVING THE OTHER PARTY OF ITS RESPONSIBILITY FOR SUCH LIABILITY.  EACH PARTY
HERETO AGREES AND COVENANTS THAT IT WILL NOT CONTEST THE VALIDITY OR
ENFORCEABILITY OF ANY EXCULPATORY PROVISION OF THIS AGREEMENT AND THE OTHER
FINANCING DOCUMENTS ON THE BASIS THAT THE PARTY HAD NO NOTICE OR KNOWLEDGE OF
SUCH PROVISION OR THAT THE PROVISION IS NOT "CONSPICUOUS."

     Section 8.25   Proposed Restructuring.  The Company has indicated that it
intends to pursue the consummation of the E&P Restructuring.  The Agent, the
Co-Agent, the Issuing Banks and the Lenders hereby approve, subject to
satisfactory documentation, including, but not limited to, any reasonably





                                      -83-
<PAGE>   91
required modification to this Agreement, the E&P Restructuring and the
transactions contemplated in connection therewith.





                                      -84-
<PAGE>   92
     IN WITNESS WHEREOF, the parties hereto have caused this instrument to be
duly executed as of the date first above written.

COMPANY:                           TESORO PETROLEUM CORPORATION
                                   
                                   By:/s/William T. VanKleef
                                      -----------------------------------------
Address:                                William T. VanKleef
                                        Vice President, Treasurer
                                   
8700 Tesoro Drive                  
San Antonio, Texas  78217          
                                   
                                   
AGENT, CO-AGENT, ISSUING BANKS     
AND THE LENDERS:                   TEXAS COMMERCE BANK
                                   NATIONAL ASSOCIATION
                                   Individually, as an Issuing Bank and as Agent
                                   
                                   
                                   By:/s/P. Stan Burge     
                                      -----------------------------------------
Address:                                P. Stan Burge
                                        Vice President
                                   
712 Main Street                    
Houston, Texas  77002              
Attention:  Mr. P. Stan Burge      
                                   
                                   
                                   BANQUE PARIBAS
                                   Individually, as an Issuing Bank 
                                   and as Co-Agent
                                   
                                   
                                   By:/s/Brian Malone                   
                                      -----------------------------------------
Address:                               Name:
                                       Title:
                                   
1200 Smith Street, Suite 3100      
Houston, Texas  77002              
Attention:  Mr. Brian Malone       By:/s/Patrick J. Milon
                                      -----------------------------------------
                                       Name:
                                       Title:





                                      -85-
<PAGE>   93
Address:                              BANK OF SCOTLAND
380 Madison Avenue                    
New York, New York  10017             
Attention:  Ms. Catherine Oniffrey    By:/s/Elizabeth Wilson              
                                         --------------------------------------
                                         Name:
                                         Title:
With Copy To:                         
                                      
1200 Smith Street                     
1750 Two Allen Center                 
Houston, Texas  77002                 
Attention:  Ms. Janna Blanter         
                                      
                                      
                                      CHRISTIANIA BANK
                                      
                                      
                                      By:/s/Peter M. Dodge and 
                                         --------------------------------------
                                         /s/Carl Petter Svendsen   
                                         --------------------------------------
Address:                                 Name:
                                         Title:
                                      
11 West 42nd Street, 7th Floor        
New York, New York  10036             
Attention:  Mr. Peter Dodge           
                                      
                                      
Address:                              THE BANK OF NOVA SCOTIA
600 Peachtree Street N.E.             
Suite 2700                            
Atlanta, Georgia  30308               By:/s/F.C.H. Ashby                       
                                         --------------------------------------
Attention:  Ms. Lauren Bianchi           Name:
                                         Title:
With Copy To:                         
                                      
1100 Louisiana Street, Suite 3000     
Houston, Texas  77002                 
Attention:  Mr. Michael W. Nepveux    
                                      
                                      
                                      NBD BANK, N.A.
                                      
                                      
                                      By:/s/James L. Caldwell IV               
                                         --------------------------------------
Address:                                 Name:
                                         Title:
611 Woodward Avenue                   
Detroit, Michigan  48226              
Attention:  Mr. Russell H. Liebetrau, Jr.





                                      -86-
<PAGE>   94
                                      CONTINENTAL BANK, N.A.
                                      
                                      
                                      By:/s/Robert R. Ingersoll                
                                         --------------------------------------
Address:                                 Name:
                                         Title:
                                      
231 S. LaSalle Street                 
Chicago, Illinois  60697              
Attention:  Mr. Robert Ingersoll      
                                      
                                      
                                      FIRST UNION NATIONAL BANK OF NORTH
                                      CAROLINA                              
                                      
                                      By:     FIRST UNION CORPORATION OF NORTH
                                              CAROLINA, as agent
                                      
                                      
                                      By:/s/Paul N. Riddle                     
                                         --------------------------------------
Address:                                 Name:
                                         Title:
                                      
1001 Fannin Street, Suite 2255        
Houston, Texas  77002                 
Attention:  Mr. Paul N. Riddle        
                                      
                                      
Address:                              NATIONAL BANK OF CANADA
                                      
125 West 55th Street                  
New York, New York  10019-5366        By:/s/Larry L. Sears                     
                                         --------------------------------------
                                         Name:
With Copy To:                            Title:
                                      
2121 San Jacinto, Suite 1850          By:/s/David L. Schreiber                  
                                         ---------------------------------------
Dallas, Texas  75201                     Name:
Attention:  Mr. David L. Schreiber       Title:





                                      -87-
<PAGE>   95
                                      THE FROST NATIONAL BANK


                                      By:/s/Jim Crosby                         
                                         --------------------------------------
Address:                                 Name:
                                         Title:
                                      
100 W. Houston Street                 
San Antonio, Texas  78205             
Attention:  Mr. Phil Dudley           
                                      
                                      
                                      
                                      

                                      -88-
<PAGE>   96
                                    ANNEX I

                                  Commitments

<TABLE>
<CAPTION>
                                     Revolving
                                     Credit            Unavailable          Total               Term Loan
Banks                                Commitment        Commitment        Commitments            Commitment
- -----                                ----------        ----------        -----------            ----------
<S>                                <C>                <C>               <C>                    <C>
Texas Commerce Bank                 12,800,000.00      3,200,000.00      16,000,000.00          1,920,000.00
Banque Paribas                      12,800,000.00      3,200,000.00      16,000,000.00          1,920,000.00
Bank of Scotland                    10,400,000.00      2,600,000.00      13,000,000.00          1,560,000.00
Christiania Bank                    10,400,000.00      2,600,000.00      13,000,000.00          1,560,000.00
The Bank of Nova Scotia             10,400,000.00      2,600,000.00      13,000,000.00          1,560,000.00
NBD Bank, N.A.                      10,400,000.00      2,600,000.00      13,000,000.00          1,560,000.00
Continental Bank, N.A.               8,800,000.00      2,200,000.00      11,000,000.00          1,320,000.00
First Union National
 Bank of North Carolina              8,800,000.00      2,200,000.00      11,000,000.00          1,320,000.00
National Bank of Canada              8,800,000.00      2,200,000.00      11,000,000.00          1,320,000.00
The Frost National Bank              6,400,000.00      1,600,000.00       8,000,000.00            960,000.00
                                     ------------      ------------       ------------            ----------
  Total                            100,000,000.00     25,000,000.00     125,000,000.00         15,000,000.00
</TABLE>





                                   Annex I-1
<PAGE>   97
                                   EXHIBIT A

                         FORM OF REVOLVING CREDIT NOTE


$__________                                                      April ___, 1994


     TESORO PETROLEUM CORPORATION, a Delaware corporation (the "Company"), for 
value received, promises and agrees to pay to                  (the "Lender"), 
or order, at the Payment Office of TEXAS COMMERCE BANK NATIONAL ASSOCIATION 
(the "Agent"), at 712 Main Street, Houston, Texas 77002, the principal sum 
of ___________________________________ DOLLARS ($___________________), or such 
lesser amount as shall equal the aggregate unpaid principal amount of the 
Revolving Credit Loans made by Lender hereunder to the Company under the Credit 
Agreement, as hereafter defined, in lawful money of the United States of 
America and in immediately available funds, on the dates and in the principal 
amounts provided in the Credit Agreement referred to below, and to pay interest 
on the unpaid principal amount as provided in the Credit Agreement for such 
Revolving Credit Loans made by the Lender to the Company under the Credit 
Agreement, at such office, in like money and funds, for the period commencing 
on the date of each such Revolving Credit Loan until such Revolving Credit Loan 
shall be paid in full, at the rates per annum and on the dates provided in the 
Credit Agreement.

     In addition to and cumulative of any payments required to be made against
this note pursuant to the Credit Agreement, this note, including all principal
and accrued interest then unpaid, shall be due and payable on March 31, 1997,
its final maturity.  All payments shall be applied first to accrued interest
and the balance to principal, except as otherwise expressly provided in the
Credit Agreement.  Prepayments on this note shall be applied in the manner set
forth in the Credit Agreement.

     This note is one of the Revolving Credit Notes referred to in the Credit
Agreement dated as of the 20th day of April, 1994, by and among the Company and
Texas Commerce Bank National Association, individually, as an Issuing Bank and
as Agent, Banque Paribas, individually, as Co-Agent and as Issuing Bank and
financial institutions parties thereto (including the Lender) (such Credit
Agreement, together with all amendments or supplements thereto, being the
"Credit Agreement").  This note evidences the Revolving Credit Loans made by
the Lender thereunder and shall be governed by the Credit Agreement.
Capitalized terms used in this note and not defined in this note, but which are
defined in the Credit Agreement, have the respective meanings herein as are
assigned to them in the Credit Agreement.

     The Lender is hereby authorized by the Company to endorse on Schedule A
(or a continuation thereof) attached to this note, the Type of each Revolving
Credit Loan, the amount and date of each payment or prepayment of principal of
each such Revolving Credit Loan received by the Lender and the Interest Periods
and interest rates applicable to each Revolving Credit Loan, provided that any
failure by





                                      A-1
<PAGE>   98
the Lender to make any such endorsement shall not affect the obligations of the
Company under the Credit Agreement or under this note in respect of such
Revolving Credit Loans.

     Except only for any notices which are specifically required by the Credit
Agreement or the other Financing Documents, the Company and any and all
co-makers, endorsers, guarantors and sureties severally waive notice (including
but not limited to notice of intent to accelerate and notice of acceleration,
notice of protest and notice of dishonor), demand, presentment for payment,
protest, diligence in collecting and the filing of suit for the purpose of
fixing liability, and consent that the time of payment hereof may be extended
and re-extended from time to time without notice to any of them.  Each such
person agrees that his, her or its liability on or with respect to this note
shall not be affected by any release of or change in any guaranty or security
at any time existing or by any failure to perfect or maintain perfection of any
lien against or security interest in any such security or the partial or
complete enforceability of any guaranty or other surety obligation, in each
case in whole or in part, with or without notice and before or after maturity.

     The Credit Agreement provides for the acceleration of the maturity of this
note upon the occurrence of certain events and for prepayment of Revolving
Credit Loans upon the terms and conditions specified therein.  Reference is
made to the Credit Agreement for all other pertinent purposes.

     This note is issued pursuant to and is entitled to the benefits of the
Credit Agreement and is secured by the Security Instruments.

     THIS NOTE SHALL BE CONSTRUED IN ACCORDANCE WITH AND BE GOVERNED BY THE LAW
OF THE STATE OF TEXAS AND THE UNITED STATES OF AMERICA FROM TIME TO TIME IN
EFFECT.


                                           TESORO PETROLEUM CORPORATION



                                           By:                              
                                              ------------------------------
                                              Name:
                                              Title:





                                      A-2
<PAGE>   99
                                   EXHIBIT B

                               FORM OF TERM NOTE


$__________                                                     April ___, 1994


     TESORO PETROLEUM CORPORATION, a Delaware corporation (the "Company"), for 
value received, promises and agrees to pay to                 (the"Lender")
or order, at the Payment Office of TEXAS COMMERCE BANK NATIONAL 
ASSOCIATION, at 712 Main Street, Houston, Texas 77002, the principal sum of
___________________________________ DOLLARS ($___________________), in lawful
money of the United States of America and in immediately available funds, in
installments on the dates and in the principal amounts provided in the Credit
Agreement referred to below, and to pay interest on the unpaid principal amount
of the Term Loans made by the Lender to the Company under the Credit Agreement,
at such office, in like money and funds, for the period commencing on the date
of each such Term Loan until such Term Loan shall be paid in full, at the rates
per annum and on the dates provided in the Credit Agreement.

     In addition to and cumulative of any payment required to be made against
this note pursuant to the Credit Agreement, this note, including all principal
and accrued interest then unpaid, shall be due and payable on March 31, 1998,
its final maturity.  All payments shall be applied first to accrued interest
and the balance to principal, except as otherwise expressly provided in the
Credit Agreement.  Prepayments on this note shall be applied in the manner set
forth in the Credit Agreement.

     This note is one of the Term Notes referred to in the Credit Agreement
dated as of the 20th day of April, 1994, by and among the Company and Texas
Commerce Bank, individually, as an Issuing Bank, and as Agent, Banque Paribas
individually, as Co-Agent and as an Issuing Bank, and the financial
institutions parties thereto (including the Lender) (such Credit Agreement,
together with all amendments or supplements thereto, being the "Credit
Agreement").  This note evidences the Term Loans made by the Lender thereunder
and shall be governed by the Credit Agreement.  Capitalized terms used in this
note and not defined in this note, but which are defined in the Credit
Agreement, have the respective meanings herein as are assigned to them in the
Credit Agreement.

     The Lender is hereby authorized by the Company to endorse on Schedule A
(or a continuation thereof) attached to this note, the Type of each Term Loan,
the amount and date of each payment or prepayment of principal of each such
Term Loan received by the Lender and the Interest Periods and interest rates
applicable to each Term Loan, provided that any failure by the Lender to make
any such endorsement shall not affect the obligations of the Company under the
Credit Agreement or under this note in respect of such Term Loans.

     Except only for any notices which are specifically required by the Credit
Agreement or the other Financing Documents, the Company and any and all
co-makers, endorsers, guarantors and sureties





                                      B-1
<PAGE>   100
severally waive notice (including but not limited to notice of intent to
accelerate and notice of acceleration, notice of protest and notice of
dishonor), demand, presentment for payment, protest, diligence in collecting
and the filing of suit for the purpose of fixing liability, and consent that
the time of payment hereof may be extended and re-extended from time to time
without notice to any of them.  Each such person agrees that his, her or its
liability on or with respect to this note shall not be affected by any release
of or change in any guaranty or security at any time existing or by any failure
to perfect or maintain perfection of any lien against or security interest in
any such security or the partial or complete enforceability of any guaranty or
other surety obligation, in each case in whole or in part, with or without
notice and before or after maturity.

     The Credit Agreement provides for the acceleration of the maturity of this
note upon the occurrence of certain events and for prepayment of Term Loans
upon the terms and conditions specified therein.  Reference is made to the
Credit Agreement for all other pertinent purposes.

     This note is issued pursuant to and is entitled to the benefits of the
Credit Agreement and is secured by the Security Instruments.

     THIS NOTE SHALL BE CONSTRUED IN ACCORDANCE WITH AND BE GOVERNED BY THE LAW
OF THE STATE OF TEXAS AND THE UNITED STATES OF AMERICA FROM TIME TO TIME IN
EFFECT.

                                           TESORO PETROLEUM CORPORATION



                                           By:                              
                                              ------------------------------
                                              Name:
                                              Title:





                                      B-2

<PAGE>   1
                                                                   EXHIBIT 10.2

                               GUARANTY AGREEMENT
                                 (Subsidiaries)


     GUARANTY AGREEMENT, dated as of April 20, 1994 (this "Guaranty
Agreement"), among TESORO ALASKA PETROLEUM COMPANY, a Delaware corporation,
TESORO EXPLORATION AND PRODUCTION COMPANY, a Delaware corporation, and TESORO
PETROLEUM COMPANIES, INC., a Delaware corporation, DIGICOMP, INC., a Delaware
corporation, TESORO TECHNOLOGY PARTNERS COMPANY, a Delaware corporation,
INTERIOR FUELS COMPANY, an Alaskan corporation, TESORO ALASKA PIPELINE COMPANY,
a Delaware corporation, TESORO NORTHSTORE COMPANY, an Alaskan corporation,
TESORO REFINING, MARKETING & SUPPLY COMPANY, a Delaware corporation, TESORO
NATURAL GAS COMPANY, a Delaware corporation, TESORO BOLIVIA PETROLEUM COMPANY,
a Texas corporation, TESORO PETROLEUM DISTRIBUTING COMPANY, a Louisiana
corporation, TESORO LOUISIANA DISTRIBUTING CORPORATION, a Louisiana
corporation, TESORO ENVIRONMENTAL RESOURCES COMPANY, a Delaware corporation,
TESORO GAS RESOURCES COMPANY, INC., a Delaware corporation and TESORO E&P
COMPANY, L.P., a Delaware limited partnership, (the "Guarantors"), in favor of
TEXAS COMMERCE BANK NATIONAL ASSOCIATION, individually, as an Issuing Bank and
as Agent, BANQUE PARIBAS, individually, as Co-Agent and as an Issuing Bank, and
the other financial institutions now or hereafter parties to the Credit
Agreement (as such term is hereinafter defined).

                                    RECITALS

     A.   On even date herewith, Tesoro Petroleum Corporation, a Delaware
corporation (the "Company"), Texas Commerce Bank National Association,
individually, as Agent and as an Issuing Bank and the other financial
institutions now or hereafter parties thereto entered into a Credit Agreement
(as amended from time to time, the "Credit Agreement").

     B.   The conditions precedent to the effectiveness of the Credit Agreement
and the obligations of the Lenders (as defined in the Credit Agreement) to make
the initial Loans thereunder, include the execution and delivery of this
Guaranty Agreement by each Subsidiary of the Company.

     C.   Therefore, in consideration of the premises contained herein, the
Guarantors agree, with and for the benefit of the Agent, the Issuing Banks and
the Lenders, as follows:

                                   AGREEMENT

     1.  Defined Terms.  As used in this Guaranty Agreement, capitalized terms
defined in the Credit Agreement are used herein as defined therein unless
otherwise noted herein, and the following additional capitalized terms shall
have the following meanings:

          "Collateral" shall mean any Property in which the Agent is granted a
     Lien from time to time as security for the Lender Indebtedness.

          "Maximum Guaranteed Amount" shall mean, for each Guarantor, the
     greater of (i) the "reasonably equivalent value" or "fair consideration"
     (or equivalent concept) received by such Guarantor in exchange for the
     obligation incurred hereunder by such Guarantor, within the
<PAGE>   2
     meaning of any state or federal fraudulent conveyance or transfer laws
     applicable to such Guarantor; or (ii) the lesser of (A) the maximum amount
     that will not render such Guarantor insolvent, or (B) the maximum amount
     that will not leave such Guarantor (after giving effect to this Guaranty
     Agreement) with Property deemed an unreasonably small capital.  Clauses
     (A) and (B) are and shall be determined pursuant to and as of the
     appropriate date mandated by such applicable state or federal fraudulent
     conveyance or transfer laws.

          "Obligations" shall mean (i) all Lender Indebtedness now or hereafter
     owing, including, but not limited to, (A) the unpaid principal of and
     accrued interest on (including interest accruing on or after the filing of
     any petition in bankruptcy, or the commencement of any insolvency,
     reorganization or like proceeding, relating to the Company, whether or not
     a claim for post-filing or post-petition interest is allowed in such
     proceeding) (1) the Term Notes and (2) the Revolving Credit Notes, and (B)
     the obligation of the Company to otherwise reimburse the Lender, whether
     on account of fees, indemnities, costs, taxes, expenses (including all
     fees and disbursements set forth in Sections 2.21 or 8.04 of the Credit
     Agreement) or otherwise, and (ii) any and all other sums payable by the
     Company or any of its Subsidiaries under or in respect of any Financing
     Document.

          "Subrogation and Contribution Agreement" shall mean that certain
     Subrogation and Contribution Agreement of even date herewith among each of
     the Guarantors and the Company.

     2.  Guarantee.  (a)  Each of the Guarantors hereby unconditionally and
irrevocably and jointly and severally guarantees to the Agent, the Issuing
Banks and each Lender the prompt and complete payment when due (whether at the
stated maturity, by acceleration or otherwise) of the Obligations, and each of
the Guarantors further agrees, jointly and severally, to pay any and all
expenses which may be paid or incurred by the Agent, either Issuing Bank or any
Lender in enforcing any rights with respect to, or collecting, any or all of
the Obligations and/or enforcing any rights with respect to, or collecting
against, any Guarantor under this Guaranty Agreement; provided, however, that,
notwithstanding anything herein or in any other Financing Document to the
contrary, the maximum liability of each Guarantor hereunder and under the other
Financing Documents shall in no event exceed the Maximum Guaranteed Amount for
such Guarantor; provided, further, that to the extent that applicable state or
federal fraudulent conveyance or transfer laws would so permit or require, the
Maximum Guaranteed Amount for such Guarantor (to the extent not previously
adjusted for such amounts) shall be (a) increased by the aggregate fair value
of such Guarantor's rights to contribution, reimbursement or subrogation
pursuant to the Subrogation and Contribution Agreement or applicable laws
relating to contribution, reimbursement or subrogation rights and (b) decreased
by the aggregate amount of such Guarantor's liabilities with respect to
contribution rights pursuant to the Subrogation and Contribution Agreement or
applicable laws relating to contribution rights, and (c) multiplied by the
Probability Factor (as defined in subsection (d) below) to reflect the
likelihood of a demand being made hereunder or against such Collateral.

     (b)  Each Guarantor agrees that the Obligations may at any time and from
time to time exceed the Maximum Guaranteed Amount for such Guarantor without
impairing this Guaranty Agreement or affecting the rights and remedies of the
Agent, either Issuing Bank or any Lender.





                                     -2-
<PAGE>   3
     (c)  No payment or payments made by the Company, any Guarantor, any other
guarantor or any other Person or received or collected by the Agent, either
Issuing Bank or any Lender from the Company, any Guarantor, any other guarantor
or any other Person by virtue of any action or proceeding or any set-off or
appropriation or application at any time or from time to time in reduction of
or in payment of the Obligations shall be deemed to modify, reduce, release or
otherwise affect the liability of each Guarantor hereunder, which shall,
notwithstanding any such payment or payments, other than payments made by such
Guarantor in respect of the Obligations or payments received or collected from
such Guarantor in respect of the Obligations, remain liable for the Obligations
up to the Maximum Guaranteed Amount for such Guarantor until the Obligations
are paid in full.

     (d)  It is the intention of the parties hereto that the obligations and
transfers of each Guarantor under this Guaranty Agreement and the other
Financing Documents are not obligations or transfers that violate the
provisions of applicable federal and state fraudulent conveyance or transfer
laws resulting in such obligations or transfers being subject to avoidance
under any such laws.  In that regard the parties hereto intend that such
obligations and transfers be in an amount that results in the Guarantors
guaranteeing the Obligations and securing such guaranty in an amount that is
equal to the maximum amount that is below the amount that such applicable
fraudulent conveyance or transfer laws establish as the threshold amount for
such Guarantor and for such obligations and transfers that would not be subject
to avoidance under such laws.  Accordingly, due to uncertainties in calculation
and in the status of various judicial decisions and interpretations of such
laws, each Guarantor, the Agent, the Issuing Banks and each Lender have agreed
upon the limitation of each Guarantor's liability hereunder with the good faith
intention of complying with such laws.  Under many interpretations of such
laws, contingent claims are deemed to be properly valued at the time of each
relevant determination based on a percentage (the "Probability Factor") that is
reasonably reflective of the probability at the time of determination that a
demand or call on or against a guaranty obligation or collateral will be made
in light of the financial conditions of the Company and other liable parties
and other relevant facts that were available at such time, all as subsequently
decided by the appropriate judicial authority enforcing the rights under this
Guaranty Agreement or the other Financing Documents.  For purposes of the
limitations on the maximum liability of each Guarantor in Subparagraph (a)
above, if a court in enforcing the rights of the Agent, the Issuing Banks and
any Lender shall determine that the use of such a Probability Factor is
appropriate, then the Probability Factor determined by such court shall be used
to calculate the Maximum Guaranteed Amount, unless the Majority Lenders elect
to waive such benefit in writing.  In light of the expense and difficulty in
determining the Maximum Guaranteed Amount at any particular time, the amount
equal to the product of the Obligations multiplied by each Guarantor's
Contribution Percentage as set forth on Annex I to the Subrogation and
Contribution Agreement shall be presumed to be the Maximum Guaranteed Amount
for such Guarantor for all purposes, including the filing of a proof of claim
in any bankruptcy proceeding with respect to such Guarantor, or any foreclosure
sale or any similar proceeding with respect to Property of such Guarantor,
unless and until either such Guarantor or the Agent shall have demonstrated to
the satisfaction of the relevant judicial authority the fact that the actual
calculation of the Maximum Guaranteed Amount for such Guarantor results in a
different amount.

     (e)  It is the intention of the parties hereto that all intercompany
indebtedness either owed to or by any Guarantor not be included as either an
asset or a liability, respectively, in determining the solvency or capital of
any Guarantor.  Accordingly, each Guarantor agrees that in connection with any
determination of the Maximum Guaranteed Amount, such intercompany indebtedness
may be treated in the manner that would achieve the result intended by the
first sentence of this Subsection (e).





                                     -3-
<PAGE>   4
     (f)  Right to Collect on the Notes.  The Company and the Guarantors are
personally obligated and fully liable for the amounts due under the Notes.  The
Lenders have the right to sue on the Notes and obtain a personal judgment
against the Company and the Guarantors for satisfaction of the amounts due
under the Notes either before or after a judicial foreclosure of the Alaska
Deed of Trust under Alaska Statute 09.45.170 - 09.45.220.

     (g)  Senior Debt.  Tesoro Alaska's guarantee of the payment of the
Obligations constitutes Senior Debt as such term is defined in that certain
Subordination Agreement dated December 15, 1993, among the Company, Tesoro
Alaska, and the State of Alaska, attached as Exhibit 7 to the Settlement
Agreement dated December 15, 1992, among the Company, Tesoro Alaska, and the
State of Alaska.

     3.  Right of Contribution.  Each Guarantor hereby agrees that to the
extent that any Guarantor shall have paid more than its proportionate share of
any payments made under any of the Guaranty Agreements, such Guarantor shall be
entitled to seek and receive contribution from and against any other Guarantor
who has not paid its proportionate share of any such payments.  Each
Guarantor's right of contribution shall be subject to the terms and conditions
of the Subrogation and Contribution Agreement and Paragraph 5 hereof.  The
provisions of this Paragraph 3 shall in no respect limit the obligations and
liabilities of any Guarantor to the Agent, the Issuing Banks or any Lender, and
each Guarantor shall remain liable to the Agent, the Issuing Banks and each
Lender for the full amount guaranteed by such Guarantor hereunder.

     4.  Right of Set-off.  The Agent, the Issuing Bank and each Lender is
hereby irrevocably authorized upon the occurrence of an Event of Default
without notice to the Guarantors, any such notice being expressly waived by
each Guarantor, to set-off and credit against any credits, indebtedness or
claims, in any currency, in each case whether direct or indirect or contingent
or matured or unmatured, at any time held or owing by the Agent, either Issuing
Bank or any Lender to or for the credit or the account of any Guarantor, or any
part thereof in such amounts as the Agent, such Issuing Bank or such Lender may
elect, against and on account of the obligations and liabilities of the
applicable Guarantor to the Agent, the Issuing Banks and the Lenders hereunder
and claims of every nature and description of the Agent, the Issuing Banks and
the Lenders against such Guarantor, in any currency, whether arising hereunder,
under the Credit Agreement, any other Financing Document or otherwise, as the
Agent, either Issuing Bank or any Lender may elect, whether or not the Agent,
such Issuing Bank or such Lender has made any demand for payment and although
such obligations, liabilities and claims may be contingent or unmatured.  The
Agent agrees to notify (promptly after receipt of notice by the Agent) the
Company and the applicable Guarantor of any such set-off and the application
made by the Agent, such Issuing Bank or any such Lender, provided that the
failure to give such notice shall not affect the validity of such set-off and
application.  The rights of the Agent, either Issuing Bank and each Lender
under this paragraph are in addition to other rights and remedies (including,
without limitation, other rights of set-off) which any such Person may have.
If foreign currency is exchanged for U.S.  Dollars by the Agent, either Issuing
Bank or any Lender, such Person shall use the rate of exchange prevailing at
the time for customers exchanging a similar amount of currency.

     5.  No Subrogation.  Notwithstanding any payment or payments made by any
Guarantor hereunder or any set-off or application of funds of any Guarantors by
the Agent, either Issuing Bank or any Lender, any such Guarantor shall not be
entitled to be subrogated to any of the rights of the Agent, either Issuing
Bank or any Lender against the Company or any collateral security or guaranty
or right





                                     -4-
<PAGE>   5
of offset held by any such Person for the payment of the Obligations, nor shall
any Guarantor seek or be entitled to seek any contribution or reimbursement
from the Company in respect of payments made by any such Guarantor hereunder,
until all Obligations are paid in full.  If any amount shall be paid to any
Guarantor on account of such subrogation rights at any time when all of the
Obligations shall not have been paid in full, such amount shall be held by such
Guarantor in trust for the Agent, the Issuing Banks and the Lenders, segregated
from other funds of such Guarantor, and shall, forthwith upon receipt by such
Guarantor, be turned over to the Agent in the exact form received by such
Guarantor (duly indorsed by such Guarantor to the Agent, if required), to be
applied against the Obligations, whether matured or unmatured in such order as
the Agent may determine.

     6.  Amendments, etc. with respect to the Obligations; Waiver of Rights.
Each Guarantor shall remain obligated hereunder notwithstanding that, without
any reservation of rights against the Guarantors and without notice to or
further assent by the Guarantors, any demand for payment of any of the
Obligations made by the Agent, either Issuing Bank or any Lender may be
rescinded and any of the Obligations continued, and the Obligations, or the
liability of any other party upon or for any part thereof, or any collateral
security or guaranty therefor or right of offset with respect thereto, may,
from time to time, in whole or in part, be renewed, extended, amended,
modified, accelerated, compromised, waived, surrendered or released by the
Agent, the Issuing Banks or the Lenders and the Credit Agreement, the Term
Notes, the Revolving Credit Notes and any collateral security document or other
guaranty or document in connection therewith (including, without limitation,
the other Financing Documents) may be amended, modified, supplemented or
terminated, in whole or in part, as the Agent, the Issuing Banks or the Lenders
may deem advisable from time to time, and any collateral security or guaranty
or right of offset at any time held by the Agent, the Issuing Banks or the
Lenders for the payment of the Obligations may be sold, exchanged, waived,
surrendered or released, all without the necessity of any reservation of rights
against the Guarantors and without notice to or further assent by the
Guarantors which will remain bound hereunder, notwithstanding any such renewal,
extension, modification, acceleration, compromise, amendment, supplement,
termination, sale, exchange, waiver, surrender or release.  Neither the Agent,
either Issuing Bank nor any Lender shall have an obligation to protect, secure,
perfect or insure any Lien at any time held as security for the Obligations or
this Guaranty Agreement or any Property subject thereto. When making any demand
hereunder against any Guarantor, the Agent may, but shall be under no
obligation to, make a similar demand on the Company or any other guarantor, and
any failure by the Agent to make any such demand or to collect any payments
from the Company or any such other guarantor, or any release of the Company or
other guarantor, shall not relieve any such Guarantor of its obligations or
liabilities hereunder, and shall not impair or affect the rights and remedies,
express or implied, or as a matter of law, of the Agent, the Issuing Banks of
the Lenders against each Guarantor.  For the purposes hereof "demand" shall
include the commencement and continuance of any legal proceedings.

     7.  Guaranty Absolute and Unconditional.  Each Guarantor waives any and
all notice of the creation, renewal, extension or accrual of any of the
Obligations and notice of or proof of reliance by the Agent, either Issuing
Bank or any Lender upon this Guaranty Agreement or acceptance of this Guaranty
Agreement, and the Obligations (and any of them) shall conclusively be deemed
to have been created, contracted or incurred and extended, amended and waived
in reliance upon this Guaranty Agreement, and all dealings between the Company
or the Guarantors and the Agent, either Issuing Bank or any Lender shall
likewise be conclusively presumed to have been had or consummated in reliance
upon this Guaranty Agreement.  Each Guarantor waives diligence, presentment,
protest, demand for payment


                                      

                                     -5-
<PAGE>   6
and notice of default or nonpayment, notice of intention to accelerate maturity
and notice of acceleration of maturity to or upon the Company or the Guarantors
with respect to the Obligations.  Each Guarantor understands and agrees that
this Guaranty Agreement shall be construed as a continuing, absolute,
completed, unconditional (except as expressly conditioned pursuant to the terms
hereof) and irrevocable guarantee of payment and not of collection without
regard to (a) the validity, regularity or enforceability of the Credit
Agreement, the other Financing Documents, any of the Obligations or any
collateral security or guaranty therefor or right of offset with respect
thereto at any time or from time to time held by the Agent, either Issuing Bank
or any Lender, (b) any defense, set-off or counterclaim which may at any time
be available to or be asserted by the Company or any other Person liable for
the Obligations against the Agent, either Issuing Bank or any Lender, or (c)
any other circumstance whatsoever (with or without notice to or knowledge of
the Company or any Guarantor) which constitutes, or might be construed to
constitute, an equitable or legal discharge of the Company or any other Person
liable for the Obligations, or of any Guarantor under this Guaranty Agreement,
in bankruptcy or in any other instance.  When pursuing its rights and remedies
hereunder against any Guarantor, the Agent, the Issuing Banks and the Lenders
may, but shall be under no obligation to, pursue such rights and remedies as
they may have against the Company or any other Person or against any collateral
security or guaranty for the Obligations or any right of offset with respect
thereto, and any failure by the Agent, the Issuing Banks or the Lenders to
pursue such other rights or remedies or to collect any payments from the
Company or any such other Person or to realize upon any such collateral
security or guaranty or to exercise any such right of offset, or any release of
the Company or any such other Person or any such collateral security, guaranty
or right of offset, shall not relieve any Guarantor of any liability hereunder,
and shall not impair or affect the rights and remedies, whether express,
implied or available as a matter of law, of the Agent, either Issuing Bank or
any Lender against any Guarantor.  This Guaranty Agreement shall remain in full
force and effect and be binding in accordance with and to the extent of its
terms upon each Guarantor and the respective successors and assigns thereof,
and shall inure to the benefit of the Agent, Issuing Banks and the Lenders, and
the respective successors, indorsees, transferees and assigns thereof, until
all the Obligations and the obligations of the Guarantors under this Guaranty
Agreement shall have been satisfied by payment in full.

     8.  Reinstatement.  This Guaranty Agreement shall continue to be
effective, or be reinstated, as the case may be, if at any time payment, or any
part thereof, of any of the Obligations is rescinded or must otherwise be
restored or returned by the Agent, either Issuing Bank or any Lender upon the
insolvency, bankruptcy, dissolution, liquidation or reorganization of the
Company or any Guarantor, or upon or as a result of the appointment of a
receiver, intervenor or conservator of, or trustee or similar officer for, the
Company or any Guarantor or any substantial part of such Person's property, or
otherwise, all as though such payments had not been made.

     9.  Payments.  Each Guarantor hereby guarantees that payments hereunder
will be paid, without set-off or counterclaim and in immediately available
funds and in lawful currency of the United States of America, to Agent in
Houston, Texas, at the Agent's Payment Office, not later than 11:00 A.M.,
Houston time.

     10.  Representations and Warranties.  Each Guarantor hereby represents and
          warrants that:

          (a)  Corporate Existence.  Each Guarantor (other than Tesoro E&P
     Company, L.P.) is a corporation duly organized, validly existing, and in
     good standing under the laws of the






                                     -6-
<PAGE>   7
     jurisdiction of its incorporation and has the corporate power and
     authority and the legal right to own and lease its property and to conduct
     its business.

          (b)  Corporate Power; Authorization.  Each Guarantor (other than
     Tesoro E&P Company, L.P.) has the corporate power and authority and the
     legal right to make, deliver and perform this Guaranty Agreement.  Each
     Guarantor has taken all necessary corporate action to authorize the
     execution, delivery and performance of this Guaranty Agreement.

          (c)  Partnership Existence and Authorization.  Tesoro E&P Company,
     L.P. is a limited partnership duly formed, validly existing and in good
     standing under the laws of the State of Delaware and has the partnership
     power and authority and the legal right to own and lease its property and
     to conduct its business.  Tesoro E&P Company, L.P. has the partnership
     power and authority and the legal right to make, deliver and perform this
     Guaranty Agreement and has taken all necessary partnership action to
     authorize the execution, delivery and performance of this Guaranty
     Agreement.

          (d)  Enforceable Obligations.  This Guaranty Agreement has been duly
     executed and delivered by each Guarantor and constitutes a legal, valid
     and binding obligation of such Guarantor enforceable against such
     Guarantor in accordance with its terms, except as enforceability may be
     limited by applicable bankruptcy, insolvency, reorganization, moratorium
     or similar laws affecting the enforcement of creditors' rights generally
     and by general equitable principles.

     11.  No Waiver: Cumulative Remedies.  Neither the Agent, either Issuing
Bank nor any of the Lenders shall by any act, delay, indulgence, omission or
otherwise be deemed to have waived any right or remedy hereunder or to have
acquiesced in any Default or Event of Default or in any breach of any of the
terms and conditions hereof.  No failure to exercise and no delay in
exercising, on the part of the Agent, either Issuing Bank or any Lender, any
right, power or privilege hereunder shall operate as a waiver thereof, nor
shall any single or partial exercise of any right, power or privilege preclude
any other or further exercise thereof, or the exercise of any other power,
privilege or right.  A waiver by the Agent, either Issuing Bank or any Lender
of any right or remedy hereunder on any one occasion shall not be construed as
a bar to any right or remedy which any such Person would have on any future
occasion.  The rights and remedies herein provided are cumulative, may be
exercised singly or concurrently, and are not exclusive of any rights or
remedies provided by law.

     12.  Notices.  All notices, requests and other communications to any party
hereunder shall be in writing (including bank wire, telecopy or similar
teletransmission or writing) and, in the case of any Guarantor, shall be given
to such Guarantor at the address or telecopy number of the Company now or
hereafter provided for in the Credit Agreement and in the case of the Agent,
either Issuing Bank or any Lender, at the address or telecopy number for such
Person now or hereafter provided for in the Credit Agreement.  Each such
notice, request or other communication shall be effective (i) if given by
telecopier during regular business hours, once such telecopy is transmitted to
the telecopy number specified in the Credit Agreement, (ii) if given by mail,
72 hours after such communication is deposited in the mails with first class
postage prepaid, addressed as aforesaid or (iii) if given by any other means
(including, without limitation, by air courier), when delivered at the address
specified in the Credit Agreement; provided that notices to the Agent shall not
be effective until received.





                                     -7-
<PAGE>   8
   
     13.  Entire Agreement.  THIS GUARANTY AGREEMENT, THE CREDIT AGREEMENT, THE
NOTES, THE SECURITY INSTRUMENTS, THE OTHER FINANCING DOCUMENTS REFERRED TO IN
SECTIONS 3.02 THE CREDIT AGREEMENT, AND THE FEE LETTER EMBODY THE ENTIRE
AGREEMENT AND UNDERSTANDING BETWEEN THE AGENT, THE ISSUING BANKS, THE LENDERS
AND THE OTHER RESPECTIVE PARTIES HERETO AND THERETO AND SUPERSEDE ALL PRIOR
AGREEMENTS AND UNDERSTANDINGS BETWEEN SUCH PARTIES RELATING TO THE SUBJECT
MATTER HEREOF AND THEREOF.  THERE ARE NO UNWRITTEN ORAL AGREEMENTS BETWEEN THE
PARTIES.  ANY CONFLICT OR AMBIGUITY BETWEEN THE TERMS AND PROVISIONS OF THIS
AGREEMENT AND THE TERMS AND PROVISIONS IN ANY OTHER FINANCING DOCUMENT SHALL BE
CONTROLLED BY THE TERMS AND PROVISIONS HEREOF.

    
 
     14.  Governing Law; Submission to Jurisdiction, Etc.

     (a)  This Guaranty Agreement and the rights and obligations of the parties
hereunder shall be construed in accordance with and be governed by the law
(without giving effect to the conflict of law principles thereof) of the State
of Texas.

     (B)  ANY LEGAL ACTION OR PROCEEDING WITH RESPECT TO THIS AGREEMENT, MAY BE
BROUGHT IN THE COURTS OF THE STATE OF TEXAS OR OF THE UNITED STATES OF AMERICA
FOR THE SOUTHERN DISTRICT OF TEXAS, HOUSTON DIVISION, AND, BY EXECUTION AND
DELIVERY OF THIS AGREEMENT, EACH GUARANTOR HEREBY ACCEPTS FOR ITSELF AND IN
RESPECT OF ITS PROPERTY, GENERALLY AND UNCONDITIONALLY, THE JURISDICTION OF THE
AFORESAID COURTS.  EACH GUARANTOR HEREBY IRREVOCABLY WAIVES ANY OBJECTION,
INCLUDING BUT NOT LIMITED TO ANY OBJECTION TO THE LAYING OF VENUE OR BASED ON
THE GROUNDS OF FORUM NON CONVENIENS, WHICH IT MAY NOW OR HEREAFTER HAVE TO THE
BRINGING OF ANY SUCH ACTION OR PROCEEDING IN SUCH RESPECTIVE JURISDICTIONS.

     (c)  Each Guarantor that is not a Texas corporation hereby irrevocably
designates the General Counsel of the Company (as of the Closing Date, James C.
Reed, Jr.) located at 8700 Tesoro Drive, San Antonio, Texas 78217, as the
designee, appointee and agent of such Guarantor to receive, for and on behalf
of such Guarantor, service of process in such respective jurisdictions in any
legal action or proceeding with respect to this Agreement, the Notes, the
Security Instruments or the other Financing Documents.  It is understood that a
copy of such process served on such agent will be promptly forwarded by mail to
such Guarantor at its address set forth opposite its signature below, but the
failure of such Guarantor to receive such copy shall not affect in any way the
service of such process.  Each Guarantor further irrevocably consents to the
service of process of any of the aforementioned courts in any such action or
proceeding by the mailing of copies thereof by registered or certified mail,
postage prepaid, to such Guarantor at its said address, such service to become
effective 30 days after such mailing.

     (d)  Nothing herein shall affect the right of the Agent or any Lender or
any holder of a Note to serve process in any other manner permitted by law or
to commence legal proceedings or otherwise proceed against any Guarantor in
Texas or any other jurisdiction in which assets of any Guarantor are located.





                                     -8-
<PAGE>   9
     15.  Severability.  Any provision of this Guaranty Agreement which is
prohibited or unenforceable in any jurisdiction shall, as to such jurisdiction,
be ineffective to the extent of such prohibition or unenforceability without
invalidating the remaining provisions hereof, and any such prohibition or
unenforceability in any jurisdiction shall not invalidate or render
unenforceable such provision in any other jurisdiction.

     16.  Paragraph Headings.  The Paragraph headings used in this Guaranty
Agreement are for convenience of reference only and are not to affect the
construction hereof or be taken into consideration in the interpretation
hereof.

     17.  Interest.  It is the intention of the parties hereto to conform
strictly to usury laws applicable to each Lender and the Transactions.
Accordingly, if the Transactions would be usurious as to any Lender under
applicable law, then, notwithstanding anything to the contrary in the Notes,
this Agreement or in any Financing Document or agreement entered into in
connection with the Transactions or as security for the Obligations, it is
agreed as follows:  (i) the aggregate of all consideration which constitutes
interest as to any Lender under applicable law that is contracted for, taken,
reserved, charged or received by such Lender under the Notes, this Agreement or
under any of the Financing Documents or agreements or otherwise in connection
with the Transactions shall under no circumstances exceed the maximum amount
allowed by such applicable law, (ii) in the event that the maturity of the
Notes is accelerated for any reason, or in the event of any required or
permitted prepayment, then such consideration that constitutes interest as to
any Lender under applicable law may never include more than the maximum amount
allowed by such applicable law, and (iii) excess interest, if any, provided for
in this Agreement or otherwise in connection with the Transactions shall be
cancelled automatically and, if theretofore paid, shall be credited by such
Lender on the principal amount of the Obligations (or, to the extent that the
principal amount of the Obligations shall have been or would thereby be paid in
full, refunded by such Lender to the Company).  The right to accelerate the
maturity of the Notes does not include the right to accelerate any interest
which has not otherwise accrued on the date of such acceleration, and the
Lenders do not intend to collect any unearned interest in the event of
acceleration.  All sums paid or agreed to be paid to each Lender for the use,
forbearance or detention of sums included in the Obligations shall, to the
extent permitted by applicable law, be amortized, prorated, allocated and
spread throughout the full term of the Notes until payment in full so that the
rate or amount of interest on account of the Obligations does not exceed the
applicable usury ceiling, if any.  As used in this Section, the term
"applicable law" shall mean the laws of the State of Texas (or of any other
jurisdiction whose laws may be mandatorily applicable notwithstanding other
provisions of this Agreement) or laws of the United States of America
applicable to any Lender and the Transactions, which would permit such Lender
to contract for, charge, take, reserve or receive a greater amount of interest
than under Texas (or such other jurisdiction's) law.  To the extent that
Article 5069-1.04 of the Texas Revised Civil Statutes is relevant to the
Lenders for the purpose of determining the Highest Lawful Rate, the Lenders
hereby elect to determine the applicable rate ceiling under such Article by the
indicated (weekly) rate ceiling from time to time in effect, subject to the
Lenders' right subsequently to change such method in accordance with applicable
law.  In no event shall the provisions of Tex. Rev. Civ. Stat. art. 5069-2.01
through 5069-8.06 or 5069-15.01 through 5069-15.11 be applicable to the Loans
evidenced hereby.

     18.  Counterparts.  This Agreement may be executed in any number of
counterparts and by the different parties hereto on separate counterparts, each
of which when so executed and delivered shall be an original but all of which
shall together constitute one and the same instrument.





                                     -9-
<PAGE>   10
     IN WITNESS WHEREOF, the undersigned has caused this Guaranty Agreement to
be duly executed and delivered by its duly authorized officer on the day and
year first above written.

                                  TESORO ALASKA PETROLEUM COMPANY
                                  TESORO EXPLORATION AND PRODUCTION COMPANY
                                  TESORO PETROLEUM COMPANIES, INC.
                                  DIGICOMP, INC.
                                  TESORO TECHNOLOGY PARTNERS COMPANY
                                  INTERIOR FUELS COMPANY
                                  TESORO ALASKA PIPELINE COMPANY
                                  TESORO NORTHSTORE COMPANY
                                  TESORO REFINING, MARKETING & SUPPLY COMPANY
                                  TESORO NATURAL GAS COMPANY
                                  TESORO BOLIVIA PETROLEUM COMPANY
                                  TESORO PETROLEUM DISTRIBUTING COMPANY
                                  TESORO LOUISIANA DISTRIBUTING COMPANY
                                  TESORO ENVIRONMENTAL RESOURCES COMPANY
                                  
                                  
                                  By:/s/William T. VanKleef                    
                                     ------------------------------------------
                                     William T. VanKleef
                                      Vice President and Treasurer





                                     -10-
<PAGE>   11
                                  TESORO E&P COMPANY, L.P.
                                  
                                  By:  TESORO EXPLORATION AND PRODUCTION
                                         COMPANY,
                                        as its general partner
                                  
                                  
                                        By: /s/William T. VanKleef             
                                            -----------------------------------
                                  
                                  
                                  TESORO GAS RESOURCES COMPANY, INC
                                  
                                  By:/s/Mark S. Necessary                      
                                     ------------------------------------------
                                      Name:
                                      Title:





                                     -11-

<PAGE>   1
                                                                   EXHIBIT 10.3

WHEN RECORDED RETURN TO:
VINSON & ELKINS L.L.P.
First City Tower, Suite 2669
1001 Fannin Street
Houston, TX 77002-6760
Attn: Crystal L. Lightfield



                          (TEXAS OIL & GAS PROPERTIES)
               MORTGAGE, DEED OF TRUST, ASSIGNMENT OF PRODUCTION,
                   SECURITY AGREEMENT AND FINANCING STATEMENT



                                      FROM



                   TESORO EXPLORATION AND PRODUCTION COMPANY,
                                  AS MORTGAGOR



                                       TO



                          STEPHEN H. FIELD, AS TRUSTEE



                               FOR THE BENEFIT OF



              TEXAS COMMERCE BANK NATIONAL ASSOCIATION, AS AGENT,
                                  AS MORTGAGEE
<PAGE>   2
                               TABLE OF CONTENTS


                                   ARTICLE I

                     Grant of Lien and Indebtedness Secured

<TABLE>
     <S>                <C>                                                                                                      <C>
     Section 1.01       Grant of Liens  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .    1
     Section 1.02       Grant of Security Interest  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .    3
     Section 1.03       Indebtedness Secured  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .    4
     Section 1.04       Fixture Filing, Etc.  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .    4
     Section 1.05       Defined Terms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .    4
</TABLE>

                                   ARTICLE II

                            Assignment of Production

<TABLE>
     <S>                <C>                                                                                                      <C>
     Section 2.01       Assignment  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .    5
     Section 2.02       Rights Under Texas Act  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .    5
     Section 2.03       No Modification of Payment Obligations  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .    5
</TABLE>


                                  ARTICLE III

                   Representations, Warranties and Covenants

<TABLE>
     <S>                <C>                                                                                                      <C>
     Section 3.01       Title . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .    6
     Section 3.02       Defend Title  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .    6
     Section 3.03       Not a Foreign Person  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .    6
     Section 3.04       Power to Create Lien and Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .    6
     Section 3.05       Revenue and Cost Bearing Interest . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .    6
     Section 3.06       Rentals Paid; Leases in Effect  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .    7
     Section 3.07       Operation of Mortgaged Property, Etc. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .    7
     Section 3.08       Operation By Third Parties  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .    7
     Section 3.09       Abandon, Sales  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .    8
     Section 3.10       Failure to Perform  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .    8
</TABLE>



                                   ARTICLE IV

                              Rights and Remedies

<TABLE>
     <S>                <C>                                                                                                      <C>
     Section 4.01       Event of Default  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .    8
     Section 4.02       Foreclosure and Sale  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .    8
     Section 4.03       Substitute Trustees and Agents  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .    9
     Section 4.04       Judicial Foreclosure; Receivership  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .    9
     Section 4.05       Foreclosure for Installments  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   10
     Section 4.06       Separate Sales  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   10
     Section 4.07       Possession of Mortgaged Property  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   10
     Section 4.08       Occupancy After Foreclosure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   10
</TABLE>
<PAGE>   3
<TABLE>
     <S>                <C>                                                                                                     <C>
     Section 4.09       Remedies Cumulative, Concurrent and Nonexclusive  . . . . . . . . . . . . . . . . . . . . . . . . . .   11
     Section 4.10       No Release of Obligations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   11
     Section 4.11       Release of and Resort to Collateral . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   11
     Section 4.12       Waiver of Redemption, Notice and Marshalling of Assets, Etc . . . . . . . . . . . . . . . . . . . . .   11
     Section 4.13       Discontinuance of Proceedings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   12
     Section 4.14       Application of Proceeds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   12
     Section 4.15       Resignation of Operator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   12
     Section 4.16       INDEMNITY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   12
</TABLE>


                                   ARTICLE V

                                  The Trustee

<TABLE>
     <S>                <C>                                                                                                   <C>
     Section 5.01       Duties, Rights, and Powers of Trustee . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   13
     Section 5.02       Successor Trustee . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   13
     Section 5.03       Retention of Moneys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   14
</TABLE>



                                   ARTICLE VI

                                 Miscellaneous

<TABLE>
     <S>                <C>                                                                                                   <C>
     Section 6.01       Instrument Construed as Mortgage, Etc.  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   14
     Section 6.02       Release of Mortgage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   14
     Section 6.03       Severability  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   14
     Section 6.04       Successors and Assigns of Parties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   14
     Section 6.05       Satisfaction of Prior Encumbrance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   14
     Section 6.06       Subrogation of Trustee  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   15
     Section 6.07       Nature of Covenants . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   15
     Section 6.08       Notices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   15
     Section 6.09       Counterparts  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   15
     Section 6.10       EXCULPATION PROVISIONS  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   15
</TABLE>

     Exhibit A    -     Mortgaged Property





                                      -ii-
<PAGE>   4
               MORTGAGE, DEED OF TRUST, ASSIGNMENT OF PRODUCTION,
                   SECURITY AGREEMENT AND FINANCING STATEMENT    


     This MORTGAGE, DEED OF TRUST, ASSIGNMENT OF PRODUCTION, SECURITY AGREEMENT
AND FINANCING STATEMENT (this "Mortgage") is entered into as of the effective
time and date hereinafter stated (the "Effective Date") by TESORO EXPLORATION
AND PRODUCTION COMPANY, a Delaware corporation, whose address for notice
hereunder is 8700 Tesoro Drive, San Antonio, Texas 78217 ("Mortgagor"), for the
benefit of TEXAS COMMERCE BANK NATIONAL ASSOCIATION, a national banking
association, as Agent for the benefit of the Issuing Banks and the Lenders,
with offices and banking quarters at 712 Main Street, Houston, Texas 77002
("Mortgagee").

                                R E C I T A L S:

     A.     On even date herewith, Tesoro Petroleum Corporation (the
"Company"), Texas Commerce Bank National Association, individually, as Agent
and as an Issuing Bank, Banque Paribas, individually and as an Issuing Bank,
and the other financial institutions parties thereto are executing a Credit
Agreement (as amended from time to time, the "Credit Agreement").

     B.     The Lenders and Issuing Banks have conditioned their obligations
under the Credit Agreement upon the execution and delivery by Mortgagor of this
Mortgage, and Mortgagor has agreed to enter into this Mortgage.

     C.     Therefore, in order to comply with the terms and conditions of the
Credit Agreement and for other good and valuable consideration, the receipt and
sufficiency of which are hereby acknowledged, Mortgagor hereby agrees with
Mortgagee as follows:


                                   ARTICLE I

                     Grant of Lien and Indebtedness Secured

     Section 1.01       Grant of Liens.  To secure payment of the Indebtedness
(as hereinafter defined) and the performance of the covenants and obligations
herein contained, Mortgagor does by these presents hereby GRANT, BARGAIN, SELL,
ASSIGN, MORTGAGE, TRANSFER and CONVEY unto Stephen H. Field of Houston, Texas,
as Trustee, whose address for notice hereunder is 712 Main Street, Houston,
Texas 77002 ("Trustee") and Trustee's successors and substitutes in trust
hereunder, for the use and benefit of Mortgagee, the real and personal
property, rights, titles, interests and estates described in the following
paragraphs (a) through (g) (collectively called the "Mortgaged Property"):

     (a)    All rights, titles, interests and estates now owned or hereafter
acquired by Mortgagor in and to the oil and gas leases and/or oil, gas and
other mineral leases and other interests and estates and the lands and premises
covered or affected thereby which are described on Exhibit A hereto
(collectively called the "Hydrocarbon Property") or which Hydrocarbon Property
is otherwise referred to herein, and specifically, but without limitation, the
undivided interests of Mortgagor which are more particularly described on
attached Exhibit A.

     (b)    All rights, titles, interests and estates now owned or hereafter
acquired by Mortgagor in and to (i) the properties now or hereafter pooled or
unitized with the Hydrocarbon Property; (ii) all presently existing or future
unitization, communitization, pooling agreements and declarations of pooled
units and the units created thereby (including, without limitation, all units
created under orders,
<PAGE>   5
regulations, rules or other official acts of any Federal, State or other
governmental body or agency having jurisdiction and any units created solely
among working interest owners pursuant to operating agreements or otherwise)
which may affect all or any portion of the Hydrocarbon Property including,
without limitation, those units which may be described or referred to on
attached Exhibit A; (iii) all operating agreements, production sales or other
contracts, farmout agreements, farm-in agreements, area of mutual interest
agreements, equipment leases and other agreements described or referred to in
this Mortgage or which relate to any of the Hydrocarbon Property or interests
in the Hydrocarbon Property described or referred to herein or on attached
Exhibit A or to the production, sale, purchase, exchange, processing, handling,
storage, transporting or marketing of the Hydrocarbons (hereinafter defined)
from or attributable to such Hydrocarbon Property or interests; (iv) all
geological, geophysical, engineering, accounting, title, legal, and other
technical or business data concerning the Mortgaged Property, the Hydrocarbons,
and all books, files, records, magnetic media, computer records, and other
forms of recording or obtaining access to such data; and (v) the Hydrocarbon
Property described on attached Exhibit A and covered by this Mortgage even
though Mortgagor's interests therein be incorrectly described or a description
of a part or all of such Hydrocarbon Property or Mortgagor's interests therein
be omitted; it being intended by Mortgagor and Mortgagee herein to cover and
affect hereby all interests which Mortgagor may now own or may hereafter
acquire in and to the Hydrocarbon Property notwithstanding that the interests
as specified on Exhibit A may be limited to particular lands, specified depths
or particular types of property interests, but specifically excluding other
Property outside of those described on Exhibit A hereto and not intended to be
part of the Hydrocarbon Property.

     (c)    All rights, titles, interests and estates now owned or hereafter
acquired by Mortgagor in and to all oil, gas, casinghead gas, condensate,
distillate, liquid hydrocarbons, gaseous hydrocarbons and all products refined
therefrom and all other minerals (collectively called the "Hydrocarbons") in
and under and which may be produced and saved from or attributable to the
Hydrocarbon Property, the lands pooled or unitized therewith and Mortgagor's
interests therein, including all oil in tanks and all rents, issues, profits,
proceeds, products, revenues and other income from or attributable to the
Hydrocarbon Property, the lands pooled or unitized therewith and Mortgagor's
interests therein which are subjected or required to be subjected to the liens
and security interests of this Mortgage and including specifically but without
limitation all liens and security interests in such Hydrocarbons securing
payment of proceeds resulting from the sale of Hydrocarbons.

     (d)    All tenements, hereditaments, appurtenances and properties in
anywise appertaining, belonging, affixed or incidental to the Hydrocarbon
Property, rights, titles, interests and estates described or referred to in
paragraphs (a) and (b) above, which are now owned or which may hereafter be
acquired by Mortgagor, including, without limitation, any and all property,
real or personal, now owned or hereafter acquired and situated upon, used, held
for use, or useful in connection with the operating, working or development of
any of such Hydrocarbon Property or the lands pooled or unitized therewith
(excluding drilling rigs, trucks, automotive equipment or other personal
property which may be taken to the premises for the purpose of drilling a well
or for other similar temporary uses) and including any and all oil wells, gas
wells, injection wells or other wells, buildings, structures, field separators,
liquid extraction plants, plant compressors, pumps, pumping units, pipelines,
sales and flow lines, gathering systems, field gathering systems, salt water
disposal facilities, tanks and tank batteries, fixtures, valves, fittings,
machinery and parts, engines, boilers, meters, apparatus, equipment,
appliances, tools, implements, cables, wires, towers, casing, tubing and rods,
surface leases, rights-of-way, easements, servitudes, licenses and other
surface and subsurface rights together with all additions, substitutions,
replacements, accessions and attachments to any and all of the foregoing
properties.





                                      -2-
<PAGE>   6
     (e)    Any property that may from time to time hereafter, by delivery or
by writing of any kind, be subjected to the lien and security interest hereof
by Mortgagor; and the Trustee is hereby authorized to receive the same at any
time as additional security hereunder.

     (f)    All of the rights, titles and interests of every nature whatsoever
now owned or hereafter acquired by Mortgagor in and to the Hydrocarbon Property
rights, titles, interests and estates and every part and parcel thereof,
including, without limitation, the Hydrocarbon Property rights, titles,
interests and estates as the same may be enlarged by the discharge of any
payments out of production or by the removal of any charges or Permitted
Encumbrances (as hereinafter defined in Section 3.01) to which any of the
Hydrocarbon Property rights, titles, interests or estates are subject, or
otherwise; all rights of Mortgagor to liens and security interests securing
payment of proceeds from the sale of production from the Mortgaged Property,
including, but not limited to, those liens and security interests provided in
Tex. Bus. & Com.  Code Ann. Section 9.319 (Tex. UCC) (Vernon Supp. 1989)
("Section 9.319 Tex. UCC"), as amended from time to time; together with any and
all renewals and extensions of any of the Hydrocarbon Property rights, titles,
interests or estates; all contracts and agreements supplemental to or
amendatory of or in substitution for the contracts and agreements described or
mentioned above; and any and all additional interests of any kind hereafter
acquired by Mortgagor in and to the Hydrocarbon Property rights, titles,
interests or estates.

     (g)    All accounts, contract rights, inventory, general intangibles,
insurance contracts and insurance proceeds constituting a part of, relating to
or arising out of those portions of the Mortgaged Property which are described
in paragraphs (a) through (f) above and all proceeds and products of all such
portions of the Mortgaged Property and payments in lieu of production (such as
"take or pay" payments), whether such proceeds or payments are goods, money,
documents, instruments, chattel paper, securities, accounts, general
intangibles, fixtures, real property, or other assets.

     Any fractions or percentages specified on attached Exhibit A in referring
to Mortgagor's interests are solely for purposes of the warranties made by
Mortgagor pursuant to Section 3.01 hereof and shall in no manner limit the
quantum of interest affected by this Section 1.01 with respect to any
Hydrocarbon Property or with respect to any unit or well identified on said
Exhibit A.

     TO HAVE AND TO HOLD the Mortgaged Property unto the Trustee and to his
successors and assigns forever to secure the payment of the Indebtedness
(hereinafter defined) and to secure the performance of the covenants,
agreements, and obligations of the Mortgagor herein contained.

     Section 1.02       Grant of Security Interest.  To further secure the
Indebtedness, Mortgagor hereby grants to Mortgagee a security interest in and
to the Mortgaged Property (whether now or hereafter acquired by operation of
law or otherwise) insofar as the Mortgaged Property consists of equipment,
accounts, contract rights, general intangibles, insurance contracts, insurance
proceeds, inventory, Hydrocarbons, fixtures and any and all other personal
property of any kind or character defined in and subject to the provisions of
the Texas Business and Commerce Code, Chapters 1 through 9, as presently in
effect (the "Texas UCC"), including the proceeds and products from any and all
of such personal property.  Upon the happening of any of the Events of Default,
Mortgagee is and shall be entitled to all of the rights, powers and remedies
afforded a secured party by the Texas UCC with reference to the personal
property and fixtures in which Mortgagee has been granted a security interest
herein, or the Trustee or Mortgagee may proceed as to both the real and
personal property covered hereby in accordance with the rights and remedies
granted under this Mortgage in respect of the real property covered hereby.
Such rights, powers and remedies shall be cumulative and in addition to those
granted to the Trustee or Mortgagee under any other provision of this Mortgage
or under any other Security





                                      -3-
<PAGE>   7
Instrument.  Written notice mailed to Mortgagor as provided herein at least
fifteen (15) days prior to the date of public sale of any part of the Mortgaged
Property which is personal property subject to the provisions of the Texas UCC,
or prior to the date after which private sale of any such part of the Mortgaged
Property will be made, shall constitute reasonable notice.

     Section 1.03       Indebtedness Secured.  This Mortgage is executed and
delivered by Mortgagor to secure and enforce the following (the
"Indebtedness"):

     (a)    The payment of and performance of any and all indebtedness,
obligations and liabilities of Mortgagor pursuant to that certain Guaranty
Agreement of even date herewith executed by the Mortgagor, among others, in
favor of the Agent, the Issuing Banks and the Lenders (as the same may from
time to time be amended, supplemented or otherwise modified, the "Guaranty
Agreement"), guaranteeing the prompt and complete payment when due (whether at
the stated maturity, by acceleration or otherwise) of the Obligations (as
defined in the Guaranty Agreement) including, without limitation, the Notes
with final maturity on or before March 31, 1998.

     (b)    Any sums which may be advanced or paid by Mortgagee or any Lender
under the terms hereof on account of the failure of Mortgagor to comply with
the covenants of the Mortgagor contained herein or in the Credit Agreement; and
all other indebtedness of Mortgagor arising pursuant to the provisions of this
Mortgage.

     Section 1.04       Fixture Filing, Etc.  Without in any manner limiting
the generality of any of the other provisions of this Mortgage: (i) some
portions of the goods described or to which reference is made herein are or are
to become fixtures on the land described or to which reference is made herein
or on attached Exhibit A; (ii) the security interests created hereby under
applicable provisions of the Texas UCC will attach to Hydrocarbons (minerals
including oil and gas) or the accounts resulting from the sale thereof at the
wellhead or minehead located on the land described or to which reference is
made herein; (iii) this Mortgage is to be filed of record in the real estate
records as a financing statement, and (iv) Mortgagor is the record owner of the
real estate or interests in the real estate comprised of the Mortgaged
Property.

     Section 1.05       Defined Terms.  Any capitalized term used in this
Mortgage and not defined in this Mortgage shall have the meaning assigned to
such term in the Credit Agreement.

                                   ARTICLE II

                            Assignment of Production

     Section 2.01       Assignment.  Mortgagor has absolutely and
unconditionally assigned, transferred, and conveyed, and does hereby absolutely
and unconditionally assign, transfer and convey unto Mortgagee, its successors
and assigns, all of the Hydrocarbons and all products obtained or processed
therefrom, and the revenues and proceeds now and hereafter attributable to the
Hydrocarbons and said products and all payments in lieu of the Hydrocarbons
such as "take or pay" payments or settlements.  The Hydrocarbons and products
are to be delivered into pipe lines connected with the Mortgaged Property, or
to the purchaser thereof, to the credit of Mortgagee, free and clear of all
taxes, charges, costs, and expenses; and all such revenues and proceeds shall
be paid directly to Mortgagee, at its banking quarters in Houston, Harris
County, Texas with no duty or obligation of any party paying the same to
inquire into the rights of Mortgagee to receive the same, what application is
made thereof, or as to any other matter.  Mortgagor agrees to perform all such
acts, and to execute all such further





                                      -4-
<PAGE>   8
assignments, transfers and division orders, and other instruments as may be
required or desired by Mortgagee or any party in order to have said proceeds
and revenues so paid to Mortgagee.  Mortgagee is fully authorized to receive
and receipt for said revenues and proceeds; to endorse and cash any and all
checks and drafts payable to the order of Mortgagor or Mortgagee for the
account of Mortgagor received from or in connection with said revenues or
proceeds and to hold the proceeds thereof in a bank account as additional
collateral securing the Indebtedness; and to execute transfer and division
orders in the name of Mortgagor, or otherwise, with warranties binding
Mortgagor.  All proceeds received by the Mortgagee pursuant to this assignment
shall be applied as provided in the Credit Agreement, or after the occurrence
and during the continuance of an Event of Default, the Mortgagee may in its
sole discretion apply the proceeds as provided in Section 4.13 hereof.
Mortgagee shall not be liable for any delay, neglect, or failure to effect
collection of any proceeds or to take any other action in connection therewith
or hereunder; but Mortgagee shall have the right, at its election, in the name
of Mortgagor or otherwise, to prosecute and defend any and all actions or legal
proceedings deemed advisable by Mortgagee in order to collect such funds and to
protect the interests of Mortgagee, and/or Mortgagor, with all costs, expenses
and attorneys' fees incurred in connection therewith being paid by Mortgagor.
Mortgagor hereby appoints Mortgagee as its attorney-in-fact to pursue any and
all rights of Mortgagor to liens on and security interests in the Hydrocarbons
securing payment of proceeds of runs attributable to the Hydrocarbons.  In
addition to the rights granted to Trustee and/or Mortgagee in Section 1.01 (c)
of this Mortgage, Mortgagor hereby further transfers and assigns to Mortgagee
any and all such liens, security interests, financing statements or similar
interests of Mortgagor attributable to its interest in the Hydrocarbons and
proceeds of runs therefrom arising under or created by said statutory
provision, judicial decision or otherwise.  The power of attorney granted to
Mortgagee in this paragraph, being coupled with an interest, shall be
irrevocable so long as the Indebtedness or any part thereof remains unpaid.

     Section 2.02       Rights Under Texas Act.  Mortgagor hereby grants,
sells, assigns, sets over and mortgages unto Mortgagee during the term hereof,
all of Mortgagor's rights and interests pursuant to the provisions of Section
9.319 Tex. UCC, hereby vesting in Mortgagee all of Mortgagor's rights as an
interest owner to the continuing security interest in and lien upon the
Mortgaged Property.

     Section 2.03       No Modification of Payment Obligations.  Nothing herein
contained shall modify or otherwise alter the obligation of Mortgagor to make
prompt payment of all principal and interest owing on the Indebtedness when and
as the same become due regardless of whether the proceeds of the Hydrocarbons
are sufficient to pay the same and the rights provided in accordance with the
foregoing assignment provision shall be cumulative of all other security of any
and every character now or hereafter existing to secure payment of the
Indebtedness.


                                  ARTICLE III

                   Representations, Warranties and Covenants

     Mortgagor hereby represents, warrants and covenants as follows:

     Section 3.01       Title.  To the extent of the undivided interests
specified on attached Exhibit A, Mortgagor has good and indefeasible title to
and is possessed of the Mortgaged Property.  The Mortgaged Property is free of
any and all Liens (as defined in the Credit Agreement) except Liens allowed by
Section 5.04(b) of the Credit Agreement and Liens described on Exhibit A hereto
(collectively, the "Permitted Encumbrances").





                                      -5-
<PAGE>   9
     Section 3.02       Defend Title.  This Mortgage is, and always will be
kept, a direct first lien and security interest upon the Mortgaged Property
subject only to the Permitted Encumbrances and Mortgagor will not create or
suffer to be created or permit to exist any lien, security interest or charge
prior or junior to or on a parity with the lien and security interest of this
Mortgage upon the Mortgaged Property or any part thereof or upon the rents,
issues, revenues, profits and other income therefrom.  Mortgagor will warrant
and defend the title to the Mortgaged Property against the claims and demands
of all other persons whomsoever and will maintain and preserve the lien created
hereby so long as any of the Indebtedness secured hereby remains unpaid.
Should an adverse claim be made against or a cloud develop upon the title to
any part of the Mortgaged Property, Mortgagor agrees it will immediately defend
against such adverse claim or take appropriate action to remove such cloud at
Mortgagor's cost and expense, and Mortgagor further agrees that the Trustee
and/or Mortgagee may take such other action as they deem advisable to protect
and preserve their interests in the Mortgaged Property, and in such event
Mortgagor will indemnify the Trustee and Mortgagee against any and all cost,
attorney's fees and other expenses which they may incur in defending against
any such adverse claim or taking action to remove any such cloud.

     Section 3.03       Not a Foreign Person.  Mortgagor is not a "foreign
person" within the meaning of the Internal Revenue Code of 1986, as amended
(hereinafter called the "Code"), Sections 1445 and 7701 (i.e. Mortgagor is not
a non-resident alien, foreign corporation, foreign partnership, foreign trust
or foreign estate as those terms are defined in the Code and any regulations
promulgated thereunder).

     Section 3.04       Power to Create Lien and Security.  The Mortgagor has
full power and lawful authority to grant, bargain, sell, assign, transfer,
mortgage, and convey a security interest in all of the Mortgaged Property in
the manner and form herein provided and without obtaining the authorization,
approval, consent or waiver of any lessor, sublessor, Governmental Authority or
other party or parties whomsoever.

     Section 3.05       Revenue and Cost Bearing Interest.  Mortgagor's
ownership of the Hydrocarbon Property and the undivided interests therein as
specified on attached Exhibit A will, after giving full effect to all Permitted
Encumbrances, afford Mortgagor not less than those net interests in the
production from or which is allocated to such Hydrocarbon Property specified as
"Net Revenue Interest" on attached Exhibit A (expressed as a fraction,
percentage or decimal) and will cause Mortgagor to bear not more than that
portion, specified as "Working Interest" on attached Exhibit A (expressed as a
fraction, percentage or decimal), of the costs of drilling, developing and
operating the wells identified on Exhibit A.

     Section 3.06       Rentals Paid; Leases in Effect.  All rentals and
royalties due and payable in accordance with the terms of any leases or
subleases comprising a part of the Hydrocarbon Property have been duly paid or
provided for and all leases or subleases comprising a part of the Hydrocarbon
Property are in full force and effect.

     Section 3.07       Operation of Mortgaged Property, Etc.  Except as
provided in Section 3.08 Mortgagor will promptly pay and discharge all rentals,
delay rentals, royalties and indebtedness accruing under, and perform or cause
to be performed each and every act, matter or thing required by, each and all
of the assignments, deeds, leases, sub-leases, contracts and agreements
described or referred to herein or affecting Mortgagor's interests in the
Mortgaged Property, and will do all other things necessary to keep unimpaired
Mortgagor's rights with respect thereto and prevent any forfeiture thereof or
default thereunder.  The Mortgaged Property (and properties unitized therewith)
has been maintained, operated and developed in a good and workmanlike manner
and in conformity with all applicable laws and all





                                      -6-
<PAGE>   10
rules, regulations and orders of all duly constituted authorities having
jurisdiction and in conformity with the provisions of all leases, subleases or
other contracts comprising a part of the Hydrocarbon Property and other
contracts and agreements forming a part of the Mortgaged Property; specifically
in this connection, (i) after the Effective Date no Mortgaged Property is
subject to having allowable production reduced below the full and regular
allowable (including the maximum permissible tolerance) because of any
overproduction (whether or not the same was permissible at the time) prior to
the Effective Date and (ii) none of the wells comprising a part of the
Mortgaged Property (or properties unitized therewith) are deviated from the
vertical more than the maximum permitted by applicable laws, regulations, rules
and orders, and such wells are, in fact, bottomed under and are producing from,
and the well bores are wholly within, the Mortgaged Property (or, in the case
of wells located on properties unitized therewith, such unitized properties).
Mortgagor will operate the Mortgaged Property in a careful and efficient manner
in accordance with the practices of the industry and in compliance with all
applicable contracts and agreements and in compliance with all applicable
proration and conservation laws of the jurisdiction in which the Mortgaged
Property is situated, and all applicable laws, rules and regulations of every
other agency and authority from time to time constituted to regulate the
development and operation of the Mortgaged Property and the production and sale
of Hydrocarbons and other minerals therefrom.  Mortgagor will do or cause to be
done such development work as may be reasonably necessary to the prudent and
economical operation of the Mortgaged Property in accordance with the most
approved practices of operators in the industry, including all to be done that
may be appropriate to protect from diminution the productive capacity of the
Mortgaged Property and each producing well thereon including, without
limitation, cleaning out and reconditioning each well from time to time,
plugging and completing at a different level each such well, drilling a
substitute well to conform to changed spacing regulations and to protect the
Mortgaged Property against drainage whenever and as often as is necessary.

     Section 3.08       Operation By Third Parties.  All or portions of the
Mortgaged Property may be comprised of interests in the Hydrocarbon Property
which are other than working interests or which may be operated by a party or
parties other than Mortgagor and with respect to all or any such interests and
properties as may be comprised of interests other than working interests or
which may be operated by parties other than Mortgagor, Mortgagor's covenants as
expressed in this Article III are modified to require that Mortgagor use its
best efforts to obtain compliance with such covenants by the working interest
owners or the operator or operators of such leases or properties.

     Section 3.09       Abandon, Sales.  The Mortgagor will not sell, lease,
assign, transfer or otherwise dispose or abandon any of the Mortgaged Property
except as permitted by the Credit Agreement.

     Section 3.10       Failure to Perform.  The Mortgagor agrees that if the
Mortgagor fails to perform any act or to take any action which the Mortgagor is
required to perform or take hereunder or pay any money which the Mortgagor is
required to pay hereunder, each of the Mortgagee and the Trustee in the
Mortgagor's name or its or their own name may, but shall not be obligated to,
perform or cause to perform such act or take such action or pay such money, and
any expenses so incurred by either of them and any money so paid by either of
them shall be a demand obligation owing by the Mortgagor to the Mortgagee or
the Trustee, as the case may be, and each of the Mortgagee and the Trustee,
upon making such payment, shall be subrogated to all of the rights of the
Person receiving such payment.  Each amount due and owing by Mortgagor to each
of the Mortgagee and the Trustee pursuant to this Mortgage shall bear interest
from the date of such expenditure or payment or other occurrence which gives
rise to such amount being owed to such Person until paid at the rate for
overdue principal and interest set forth in Section 2.06(c) of the Credit
Agreement (the "Post-Default Rate"), and all such amounts together with such
interest thereon shall be a part of the Indebtedness described in Section 1.03
hereof.





                                      -7-
<PAGE>   11
                                   ARTICLE IV

                              Rights and Remedies

     Section 4.01       Event of Default.  An "Event of Default" under the
Credit Agreement shall be an Event of Default under this Mortgage.

     Section 4.02       Foreclosure and Sale.  If an Event of Default shall
occur and be continuing after any applicable notice and cure period provided
for in the Credit Agreement, Mortgagee shall have the right and option to
proceed with foreclosure by directing the Trustee, or his successors or
substitutes in trust, to proceed with foreclosure and to sell, to the extent
permitted by law, all or any portion of the Mortgaged Property at one or more
sales, as an entirety or in parcels, at such place or places in otherwise such
manner and upon such notice as may be required by law, or, in the absence of
any such requirement, as the Mortgagee may deem appropriate, and to make
conveyance to the purchaser or purchasers.  Where the Mortgaged Property is
situated in more than one county, notice as above provided shall be posted and
filed in all such counties (if such notices are required by law), and all such
Mortgaged Property may be sold in any such county and any such notice shall
designate the county where such Mortgaged Property is to be sold.  Nothing
contained in this Section 4.02 shall be construed so as to limit in any way the
Trustee's rights to sell the Mortgaged Property, or any portion thereof, by
private sale if, and to the extent that, such private sale is permitted under
the laws of the applicable jurisdiction or by public or private sale after
entry of a judgment by any court of competent jurisdiction so ordering.
Mortgagor hereby irrevocably appoints the Trustee to be the attorney of
Mortgagor and in the name and on behalf of Mortgagor to execute and deliver any
deeds, transfers, conveyances, assignments, assurances and notices which
Mortgagor ought to execute and deliver and do and perform any and all such acts
and things which Mortgagor ought to do and perform under the covenants herein
contained and generally, to use the name of Mortgagor in the exercise of all or
any of the powers hereby conferred on the Trustee.  At any such sale: (i)
whether made under the power herein contained or any other legal enactment, or
by virtue of any judicial proceedings or any other legal right, remedy or
recourse, it shall not be necessary for Trustee to have physically present, or
to have constructive possession of, the Mortgaged Property (Mortgagor hereby
covenanting and agreeing to deliver to Trustee any portion of the Mortgaged
Property not actually or constructively possessed by Trustee immediately upon
demand by Trustee) and the title to and right of possession of any such
property shall pass to the purchaser thereof as completely as if the same had
been actually present and delivered to purchaser at such sale, (ii) each
instrument of conveyance executed by Trustee shall contain a general warranty
of title, binding upon Mortgagor and its successors and assigns, (iii) each and
every recital contained in any instrument of conveyance made by Trustee shall
conclusively establish the truth and accuracy of the matters recited therein,
including, without limitation, nonpayment of the Indebtedness, advertisement
and conduct of such sale in the manner provided herein and otherwise by law and
appointment of any successor Trustee hereunder, (iv) any and all prerequisites
to the validity thereof shall be conclusively presumed to have been performed,
(v) the receipt of Trustee or of such other party or officer making the sale
shall be a sufficient discharge to the purchaser or purchasers for its purchase
money and no such purchaser or purchasers, or its assigns or personal
representatives, shall thereafter be obligated to see to the application of
such purchase money, or be in any way answerable for any loss, misapplication
or nonapplication thereof, (vi) to the fullest extent permitted by law,
Mortgagor shall be completely and irrevocably divested of all of its right,
title, interest, claim and demand whatsoever, either at law or in equity, in
and to the property sold and such sale shall be a perpetual bar both at law and
in equity against Mortgagor, and against any and all other persons claiming or
to claim the property sold or any part thereof, by, through or under Mortgagor,
and (vii) to the extent and under such circumstances as are permitted by law,
Mortgagee may be a purchaser at any such sale, and shall have the right, after
paying or accounting for all costs of said sale or sales,





                                      -8-
<PAGE>   12
to credit the amount of the bid upon the amount of the Indebtedness (in the
order of priority set forth in Section 4.13 hereof) in lieu of cash payment.

     Section 4.03       Substitute Trustees and Agents.  The Trustee or his
successor or substitute may appoint or delegate any one or more persons as
agent to perform any act or acts necessary or incident to any sale held by
Trustee, including the posting of notices and the conduct of sale, but in the
name and on behalf of Trustee, his successor or substitute.  If Trustee or his
successor or substitute shall have given notice of sale hereunder, any
successor or substitute trustee thereafter appointed may complete the sale and
the conveyance of the property pursuant thereto as if such notice had been
given by the successor or substitute trustee conducting the sale.

     Section 4.04       Judicial Foreclosure; Receivership.  If any of the
Indebtedness shall become due and payable and shall not be promptly paid, the
Trustee or Mortgagee shall have the right and power to proceed by a suit or
suits in equity or at law, whether for the specific performance of any covenant
or agreement herein contained or in aid of the execution of any power herein
granted, or for any foreclosure hereunder or for the sale of the Mortgaged
Property under the judgment or decree of any court or courts of competent
jurisdiction, or for the appointment of a receiver pending any foreclosure
hereunder or the sale of the Mortgaged Property under the order of a court or
courts of competent jurisdiction or under executory or other legal process, or
for the enforcement of any other appropriate legal or equitable remedy.  Any
money advanced by the Trustee and/or Mortgagee in connection with any such
receivership shall be a demand obligation (which obligation Mortgagor hereby
expressly promises to pay) owing by Mortgagor to the Trustee and/or Mortgagee
and shall bear interest from the date of making such advance by the Trustee
and/or Mortgagee until paid at the Post Default Rate.

     Section 4.05       Foreclosure for Installments.  Mortgagee shall also
have the option to proceed with foreclosure in satisfaction of any installments
of the Indebtedness which have not been paid when due either through the courts
or by directing the Trustee or his successors in trust to proceed with
foreclosure in satisfaction of the matured but unpaid portion of the
Indebtedness as if under a full foreclosure, conducting the sale as herein
provided and without declaring the entire principal balance and accrued
interest due; such sale may be made subject to the unmatured portion of the
Indebtedness, and any such sale shall not in any manner affect the unmatured
portion of the Indebtedness, but as to such unmatured portion of the
Indebtedness this Mortgage shall remain in full force and effect just as though
no sale had been made hereunder.  It is further agreed that several sales may
be made hereunder without exhausting the right of sale for any unmatured part
of the Indebtedness, it being the purpose hereof to provide for a foreclosure
and sale of the security for any matured portion of the Indebtedness without
exhausting the power to foreclose and sell the Mortgaged Property for any
subsequently maturing portion of the Indebtedness.

     Section 4.06       Separate Sales  The Mortgaged Property may be sold in
one or more parcels and in such manner and order as Mortgagee, in its sole
discretion, may elect, it being expressly understood and agreed that the right
of sale arising out of any Event of Default shall not be exhausted by any one
or more sales.

     Section 4.07       Possession of Mortgaged Property.  Mortgagor agrees to
the full extent that it lawfully may, that, in case one or more of the Events
of Default shall have occurred and shall not have been remedied, then, and in
every such case, the Trustee or Mortgagee shall have the right and power to
enter into and upon and take possession of all or any part of the Mortgaged
Property in the possession of Mortgagor, its successors or assigns, or its or
their agents or servants, and may exclude Mortgagor, its successors or assigns,
and all persons claiming under Mortgagor, and its or their agents or servants





                                      -9-
<PAGE>   13
wholly or partly therefrom; and, holding the same, the Trustee may use,
administer, manage, operate and control the Mortgaged Property and conduct the
business thereof to the same extent as Mortgagor, its successors or assigns,
might at the time do and may exercise all rights and powers of Mortgagor, in
the name, place and stead of Mortgagor, or otherwise as the Trustee shall deem
best.  All costs, expenses and liabilities of every character incurred by the
Trustee and/or Mortgagee in administering, managing, operating, and controlling
the Mortgaged Property shall constitute a demand obligation (which obligation
Mortgagor hereby expressly promises to pay) owing by Mortgagor to the Trustee
and/or Mortgagee and shall bear interest from date of expenditure until paid at
the Post Default Rate, all of which shall constitute a portion of the
Indebtedness and shall be secured by this Mortgage and all other Security
Instruments.

     Section 4.08       Occupancy After Foreclosure.  In the event there is a
foreclosure sale hereunder and at the time of such sale Mortgagor or
Mortgagor's heirs, devisees, representatives, successors or assigns or any
other person claiming any interest in the Mortgaged Property by, through or
under Mortgagor, are occupying or using the Mortgaged Property or any part
thereof, each and all shall immediately become the tenant of the purchaser at
such sale, which tenancy shall be a tenancy from day to day, terminable at the
will of either the landlord or tenant, or at a reasonable rental per day based
upon the value of the property occupied, such rental to be due daily to the
purchaser; to the extent permitted by applicable law, the purchaser at such
sale shall, notwithstanding any language herein apparently to the contrary,
have the sole option to demand immediate possession following the sale or to
permit the occupants to remain as tenants at will.  In the event the tenant
fails to surrender possession of said property upon demand, the purchaser shall
be entitled to institute and maintain a summary action for possession of the
Mortgaged Property (such as an action for forcible entry and detainer) in any
court having jurisdiction.

     Section 4.09       Remedies Cumulative, Concurrent and Nonexclusive.
Every right, power and remedy herein given to the Trustee or Mortgagee shall be
cumulative and in addition to every other right, power and remedy herein
specifically given or now or hereafter existing in equity, at law or by statute
(including specifically those granted by the Texas UCC and applicable to the
Mortgage Property or any portion thereof) each and every right, power and
remedy whether specifically herein given or otherwise existing may be exercised
from time to time and so often and in such order as may be deemed expedient by
the Trustee or Mortgagee, and the exercise, or the beginning of the exercise,
of any such right, power or remedy shall not be deemed a waiver of the right to
exercise, at the same time or thereafter any other right, power or remedy.  No
delay or omission by the Trustee or Mortgagee in the exercise of any right,
power or remedy shall impair any such right, power or remedy or operate as a
waiver thereof or of any other right, power or remedy then or thereafter
existing.

     Section 4.10       No Release of Obligations.  Neither Mortgagor, any
guarantor nor any other person hereafter obligated for payment of all or any
part of the Indebtedness shall be relieved of such obligation by reason of (a)
the failure of Trustee to comply with any request of Mortgagor, or any
guarantor or any other person so obligated to foreclose the lien of this
Mortgage or to enforce any provision hereunder or under the Credit Agreement;
(b) the release, regardless of consideration, of the Mortgaged Property or any
portion thereof or interest therein or the addition of any other property to
the Mortgaged Property; (c) any agreement or stipulation between any subsequent
owner of the Mortgaged Property and Mortgagee extending, renewing, rearranging
or in any other way modifying the terms of this Mortgage without first having
obtained the consent of, given notice to or paid any consideration to
Mortgagor, any guarantor or such other person, and in such event Mortgagor,
guarantor and all such other persons shall continue to be liable to make
payment according to the terms of any such extension or modification agreement
unless expressly released and discharged in writing by Mortgagee; or (d) by





                                      -10-
<PAGE>   14
any other act or occurrence save and except the complete payment of the
Indebtedness and the complete fulfillment of all obligations hereunder or under
the Credit Agreement.

     Section 4.11       Release of and Resort to Collateral.  Mortgagee may
release, regardless of consideration, any part of the Mortgaged Property
without, as to the remainder, in any way impairing, affecting, subordinating or
releasing the lien or security interest created in or evidenced by this
Mortgage or its stature as a first and prior lien and security interest in and
to the Mortgaged Property, and without in any way releasing or diminishing the
liability of any person or entity liable for the repayment of the Indebtedness.
For payment of the Indebtedness, Mortgagee may resort to any other security
therefor held by Mortgagee or Trustee in such order and manner as Mortgagee may
elect.

     Section 4.12       Waiver of Redemption, Notice and Marshalling of Assets,
Etc.  To the fullest extent permitted by law, Mortgagor hereby irrevocably and
unconditionally waives and releases (a) all benefits that might accrue to
Mortgagor by virtue of any present or future moratorium law or other law
exempting the Mortgaged Property from attachment, levy or sale on execution or
providing for any appraisement, valuation, stay of execution, exemption from
civil process, redemption or extension of time for payment; (b) except as
provided in the Credit Agreement, all notices of any Event of Default or of
Mortgagee's intention to accelerate maturity of the Indebtedness or of
Trustee's election to exercise or his actual exercise of any right, remedy or
recourse provided for hereunder or under the Credit Agreement; and (c) any
right to a marshalling of assets or a sale in inverse order of alienation.  If
any law referred to in this Mortgage and now in force, of which Mortgagor or
its successor or successors might take advantage despite the provisions hereof,
shall hereafter be repealed or cease to be in force, such law shall thereafter
be deemed not to constitute any part of the contract herein contained or to
preclude the operation or application of the provisions hereof.

     Section 4.13       Discontinuance of Proceedings  In case Mortgagee shall
have proceeded to invoke any right, remedy or recourse permitted hereunder or
under the Credit Agreement and shall thereafter elect to discontinue or abandon
same for any reason, Mortgagee shall have the unqualified right so to do and,
in such an event, Mortgagor and Mortgagee shall be restored to their former
positions with respect to the Indebtedness this Mortgage, the Credit Agreement,
the Mortgaged Property and otherwise, and the rights, remedies, recourses and
powers of Mortgagee shall continue as if same had never been invoked.

     Section 4.14       Application of Proceeds.  The proceeds of any sale of
the Mortgaged Property or any part thereof and all other monies received by the
Trustee in any proceedings for the enforcement hereof, whose application has
not elsewhere herein been specifically provided for, shall be applied:

     (a)    first, to the payment of all expenses incurred by the Trustee or
Mortgagee incident to the enforcement of this Mortgage, the Credit Agreement or
any of the Indebtedness (including, without limiting the generality of the
foregoing, expenses of any entry or taking of possession, of any sale, of
advertisement thereof, and of conveyances, and court costs, compensation of
agents and employees, and legal fees), and to the payment of all other charges,
expenses, liabilities and advances incurred or made by the Trustee or Mortgagee
under this Mortgage or in executing any trust or power hereunder;

     (b)    second to payment of the Indebtedness in such order and manner as
Mortgagee may elect; and

     (c)    third, to Mortgagor; or as otherwise required by any Governmental
Requirement.





                                      -11-
<PAGE>   15
     Section 4.15       Resignation of Operator.  In addition to all rights and
remedies under this Mortgage, at law and in equity, if any Event of Default
shall occur and Trustee or the Mortgagee shall exercise any remedies under this
Mortgage with respect to any portion of the Mortgaged Property (or Mortgagor
shall transfer any Mortgaged Property "in lieu of" foreclosure), the Mortgagee
or the Trustee shall have the right to request that any operator of any
Mortgaged Property, to the extent such operator is either Mortgagor or any
Affiliate of Mortgagor, resign as operator under the joint operating agreement
applicable thereto, and no later than 60 days after receipt by Mortgagor of any
such request, Mortgagor shall resign (or cause such other party to resign) as
operator of such Mortgaged Property.

     Section 4.16       INDEMNITY.  IN CONNECTION WITH ANY ACTION TAKEN BY THE
TRUSTEE AND/OR MORTGAGEE PURSUANT TO THIS MORTGAGE, THE TRUSTEE AND/OR
MORTGAGEE AND THEIR OFFICERS, DIRECTORS, EMPLOYEES, REPRESENTATIVES, AGENTS,
ATTORNEYS, ACCOUNTANTS AND EXPERTS ("INDEMNIFIED PARTIES") SHALL NOT BE LIABLE
FOR ANY LOSS SUSTAINED BY MORTGAGOR RESULTING FROM AN ASSERTION THAT MORTGAGEE
HAS RECEIVED FUNDS FROM THE PRODUCTION OF HYDROCARBONS CLAIMED BY THIRD PERSONS
OR ANY ACT OR OMISSION OF ANY INDEMNIFIED PARTY IN ADMINISTERING, MANAGING,
OPERATING OR CONTROLLING THE MORTGAGED PROPERTY INCLUDING SUCH LOSS WHICH MAY
RESULT FROM THE ORDINARY NEGLIGENCE OF AN INDEMNIFIED PARTY UNLESS SUCH LOSS IS
CAUSED BY THE WILLFUL MISCONDUCT OR BAD FAITH OF AN INDEMNIFIED PARTY, NOR
SHALL THE TRUSTEE AND/OR MORTGAGEE BE OBLIGATED TO PERFORM OR DISCHARGE ANY
OBLIGATION, DUTY OR LIABILITY OF MORTGAGOR. MORTGAGOR SHALL AND DOES HEREBY
AGREE TO INDEMNIFY EACH INDEMNIFIED PARTY FOR, AND TO HOLD EACH INDEMNIFIED
PARTY HARMLESS FROM, ANY AND ALL LIABILITY, LOSS OR DAMAGE WHICH MAY OR MIGHT
BE INCURRED BY ANY INDEMNIFIED PARTY BY REASON OF THIS MORTGAGE OR THE EXERCISE
OF RIGHTS OR REMEDIES HEREUNDER; SHOULD THE TRUSTEE AND/OR MORTGAGEE MAKE ANY
EXPENDITURE ON ACCOUNT OF ANY SUCH LIABILITY, LOSS OR DAMAGE, THE AMOUNT
THEREOF, INCLUDING COSTS, EXPENSES AND REASONABLE ATTORNEYS' FEES, SHALL BE A
DEMAND OBLIGATION (WHICH OBLIGATION MORTGAGOR HEREBY EXPRESSLY PROMISES TO PAY)
OWING BY MORTGAGOR TO THE TRUSTEE AND/OR MORTGAGEE AND SHALL BEAR INTEREST FROM
THE DATE EXPENDED UNTIL PAID AT THE POST-DEFAULT RATE, SHALL BE A PART OF THE
INDEBTEDNESS AND SHALL BE SECURED BY THIS MORTGAGE AND ANY OTHER SECURITY
INSTRUMENT.  THE LIABILITIES OF THE MORTGAGOR AS SET FORTH IN THIS SECTION 4.15
SHALL SURVIVE THE TERMINATION OF THIS MORTGAGE.


                                   ARTICLE V

                                  The Trustee

     Section 5.01       Duties, Rights, and Powers of Trustee.  It shall be no
part of the duty of the Trustee to see to any recording, filing or registration
of this Mortgage or any other instrument in addition or supplemental thereto,
or to give any notice thereof, or to see to the payment of or be under any duty
in respect of any tax or assessment or other governmental charge which may be
levied or assessed on the Mortgaged Property, or any part thereof, or against
Mortgagor, or to see to the performance or observance by Mortgagor of any of
the covenants and agreements contained herein.  The Trustee shall not be
responsible for the execution, acknowledgment or validity of this Mortgage or
of any instrument in addition or supplemental hereto or for the sufficiency of
the security purported to be created hereby, and makes no representation in
respect thereof or in respect of the rights of Mortgagee.  The Trustee shall
have the right to advise with counsel upon any matters arising hereunder and
shall be fully protected in relying as to legal matters on the advice of
counsel.  The Trustee shall not incur any personal liability hereunder except
for Trustee's own willful misconduct; and the Trustee shall have the right to
rely on





                                      -12-
<PAGE>   16
any instrument, document or signature authorizing or supporting any action
taken or proposed to be taken by him hereunder, believed by him in good faith
to be genuine.

     Section 5.02       Successor Trustee.  The Trustee may resign by written
notice addressed to Mortgagee or be removed at any time with or without cause
by an instrument in writing duly executed on behalf of Mortgagee.  In case of
the death, resignation or removal of the Trustee, a successor trustee may be
appointed by Mortgagee by instrument of substitution complying with any
applicable requirements of law, or, in the absence of any such requirement,
without other formality than appointment and designation in writing.  Written
notice of such appointment and designation shall be given by Mortgagee to
Mortgagor, but the validity of any such appointment shall not be impaired or
affected by failure to give such notice or by any defect therein.  Such
appointment and designation shall be full evidence of the right and authority
to make the same and of all the facts therein recited, and, upon the making of
any such appointment and designation, this Mortgage shall vest in the successor
trustee all the estate and title in and to all of the Mortgaged Property, and
the successor trustee shall thereupon succeed to all of the rights, powers,
privileges, immunities and duties hereby conferred upon the Trustee named
herein, and one such appointment and designation shall not exhaust the right to
appoint and designate a successor trustee hereunder but such right may be
exercised repeatedly as long as any Indebtedness remains unpaid hereunder.  To
facilitate the administration of the duties hereunder, Mortgagee may appoint
multiple trustees to serve in such capacity or in such jurisdictions as
Mortgagee may designate.

     Section 5.03       Retention of Moneys.  All moneys received by Trustee
shall, until used or applied as herein provided, be held in trust for the
purposes for which they were received, but need not be segregated in any manner
from any other moneys (except to the extent required by law), and Trustee shall
be under no liability for interest on any moneys received by him hereunder.


                                   ARTICLE VI

                                 Miscellaneous

     Section 6.01       Instrument Construed as Mortgage, Etc.  With respect to
any portions of the Mortgaged Property located in any state or other
jurisdiction the laws of which do not provide for the use or enforcement of a
deed of trust or the office, rights and authority of the Trustee as herein
provided, the general language of conveyance hereof to the Trustee is intended
and the same shall be construed as words of mortgage unto and in favor of
Mortgagee and the rights and authority granted to the Trustee herein may be
enforced and asserted by Mortgagee in accordance with the laws of the
jurisdiction in which such portion of the Mortgaged Property is located and the
same may be foreclosed at the option of Mortgagee as to any or all such
portions of the Mortgaged Property in any manner permitted by the laws of the
jurisdiction in which such portions of the Mortgaged Property is situated.
This Mortgage may be construed as a mortgage, deed of trust, chattel mortgage,
conveyance, assignment, security agreement, pledge, financing statement,
hypothecation or contract, or any one or more of them, in order fully to
effectuate the lien hereof and the purposes and agreements herein set forth.

     Section 6.02       Release of Mortgage.  If all Indebtedness secured
hereby shall be paid and the Credit Agreement terminated, Mortgagee shall
forthwith cause satisfaction and discharge of this Mortgage to be entered upon
the record at the expense of Mortgagor and shall execute and deliver or cause
to be executed and delivered such instruments of satisfaction and reassignment
as may be appropriate.  Otherwise, this Mortgage shall remain and continue in
full force and effect.





                                      -13-
<PAGE>   17
     Section 6.03       Severability.  If any provision hereof is invalid or
unenforceable in any jurisdiction, the other provisions hereof shall remain in
full force and effect in such jurisdiction and the remaining provisions hereof
shall be liberally construed in favor of the Trustee and Mortgagee in order to
effectuate the provisions hereof, and the invalidity or unenforceability of any
provision hereof in any jurisdiction shall not affect the validity or
enforceability of any such provision in any other jurisdiction.

     Section 6.04       Successors and Assigns of Parties.  The term
"Mortgagee" as used herein shall mean and include any legal owner, holder,
assignee or pledgee of any of the Indebtedness secured hereby.  The terms used
to designate Trustee, Mortgagee and Mortgagor shall be deemed to include the
respective heirs, legal representatives, successors and assigns of such
parties.

     Section 6.05       Satisfaction of Prior Encumbrance.  To the extent that
proceeds of the Credit Agreement are used to pay indebtedness secured by any
outstanding lien, security interest, charge or prior encumbrance against the
Mortgaged Property, such proceeds have been advanced by Mortgagee at
Mortgagor's request, and Mortgagee shall be subrogated to any and all rights,
security interests and liens owned by any owner or holder of such outstanding
liens, security interests, charges or encumbrances, irrespective of whether
said liens, security interests, charges or encumbrances are released, and it is
expressly understood that, in consideration of the payment of such other
indebtedness by Mortgagee, Mortgagor hereby waives and releases all demands and
causes of action for offsets and payments to, upon and in connection with the
said indebtedness.

     Section 6.06       Subrogation of Trustee.  This Mortgage is made with
full substitution and subrogation of the Trustee and his successors in this
trust and his and their assigns in and to all covenants and warranties by
others heretofore given or made in respect of the Mortgaged Property or any
part thereof.

     Section 6.07       Nature of Covenants.  The covenants and agreements
herein contained shall constitute covenants running with the land and interests
covered or affected hereby and shall be binding upon the heirs, legal
representatives, successors and assigns of the parties hereto.

     Section 6.08       Notices.  All notices, requests, consents, demands and
other communications required or permitted hereunder shall be in writing and
shall be deemed sufficiently given or furnished if delivered by registered or
certified United States mail, postage prepaid, or by personal service
(including express or courier service) at the addresses specified at the end of
this Mortgage (unless changed by similar notice in writing given by the
particular party whose address is to be changed). Any such notice or
communication shall be deemed to have been given either at the time of personal
delivery or, in the case of delivery at the address and in the manner provided
herein, upon receipt; provided that, service of notice as required by the laws
of any state in which portions of the Mortgaged Property may be situated shall
for all purposes be deemed appropriate and sufficient with the giving of such
notice.

     Section 6.09       Counterparts.  This Mortgage is being executed in
several counterparts, all of which are identical, except that to facilitate
recordation, if the Mortgaged Property is situated in more than one county,
only those portions of the description of the Mortgaged Property attached
hereto as Exhibit A located in the county in which a particular counterpart is
recorded shall be attached hereto.  A complete Exhibit A will be attached to
that certain counterpart to be attached to a Financing Statement and filed with
the Secretary of State of Texas in the Uniform Commercial Code Records.  Each
of such counterparts shall for all purposes be deemed to be an original and all
such counterparts shall together constitute but one and the same instrument.





                                      -14-
<PAGE>   18
     SECTION 6.10       EXCULPATION PROVISIONS.  EACH OF THE PARTIES HERETO
SPECIFICALLY AGREES THAT IT HAS A DUTY TO READ THIS MORTGAGE; AND AGREES THAT
IT IS CHARGED WITH NOTICE AND KNOWLEDGE OF THE TERMS OF THIS MORTGAGE; THAT IT
HAS IN FACT READ THIS MORTGAGE AND IS FULLY INFORMED AND HAS FULL NOTICE AND
KNOWLEDGE OF THE TERMS, CONDITIONS AND EFFECTS OF THIS MORTGAGE; THAT IT HAS
BEEN REPRESENTED BY LEGAL COUNSEL OF ITS CHOICE THROUGHOUT THE NEGOTIATIONS
PRECEDING ITS EXECUTION OF THIS MORTGAGE; AND HAS RECEIVED THE ADVICE OF ITS
ATTORNEY IN ENTERING INTO THIS MORTGAGE; AND THAT IT RECOGNIZES THAT CERTAIN OF
THE TERMS OF THIS MORTGAGE RESULT IN ONE PARTY ASSUMING THE LIABILITY INHERENT
IN SOME ASPECTS OF THE TRANSACTION AND RELIEVING THE OTHER PARTY OF ITS
RESPONSIBILITY FOR SUCH LIABILITY.  EACH PARTY HERETO AGREES AND COVENANTS THAT
IT WILL NOT CONTEST THE VALIDITY OR ENFORCEABILITY OF ANY EXCULPATORY PROVISION
OF THIS MORTGAGE ON THE BASIS THAT THE PARTY HAD NO NOTICE OR KNOWLEDGE OF SUCH
PROVISION OR THAT THE PROVISION IS NOT "CONSPICUOUS."

     WITNESS THE EXECUTION HEREOF, this 19th day of April, 1994, to be
effective as of the 20th day of April, 1994 (the "Effective Date").


                                     MORTGAGOR:


                                     TESORO EXPLORATION AND PRODUCTION COMPANY


                                     By:  /s/ William T. VanKleef
                                          -------------------------
                                     Name: William T. VanKleef
                                     Title: Vice President and Treasurer




The name and address of the Debtor/Mortgagor is:

     TESORO EXPLORATION AND
       PRODUCTION COMPANY
     8700 Tesoro Drive
     San Antonio, Texas  78217

The name and address of the Secured Party/Mortgagee is:

     TEXAS COMMERCE BANK
       NATIONAL ASSOCIATION, AS AGENT
     712 Main Street
     Houston, Texas  77002





                                      -15-
<PAGE>   19
THE STATE OF TEXAS                             )        
                                               )        
COUNTY  OF  HARRIS                             )        
                                                

     THIS INSTRUMENT was acknowledged before me on April 19, 1994 by William T.
VanKleef, Vice President and Treasurer of Tesoro Exploration and Production
Company, a Delaware corporation, on behalf of such corporation.



                                                /s/ Anne A. Griffin
                                               --------------------
                                               Notary Public in and for the
                                               State of TEXAS



<PAGE>   20
                              FINANCING STATEMENT

This Financing Statement is presented to a Filing Officer for filing pursuant
to the Uniform Commercial Code.

1.   The name and address of the Debtor is:

     TESORO EXPLORATION AND PRODUCTION COMPANY
     8700 Tesoro Drive
     San Antonio, Texas  78217

2.   The name and address of Secured Party is:

     TEXAS COMMERCE BANK NATIONAL ASSOCIATION, as Agent
     712 Main Street
     Houston, Texas  77002

3.   This Financing Statement covers the following Collateral:

     All of Debtor's rights, titles and interests in and to the accounts,
     equipment, goods, fixtures, general intangibles, inventory and any and all
     other personal property of any kind or character described in and covered
     by the Mortgage, Deed of Trust, Assignment of Production, Security
     Agreement and Financing Statement from Debtor to the Trustee named therein
     and Secured Party, a copy of which instrument is attached hereto as
     Exhibit "A" and made a part hereof for all purposes, and the proceeds and
     products of such personal property.

                                           DEBTOR:

                                           TESORO EXPLORATION AND
                                           PRODUCTION COMPANY


                                           By: /s/ William T. VanKleef 
                                              -------------------------
                                           Name: William T. VanKleef
                                           Title: Vice President and Treasurer





                                      -16-

<PAGE>   1
                                                                   EXHIBIT 10.4



WHEN RECORDED RETURN TO:
VINSON & ELKINS L.L.P.
First City Tower, Suite 2669
1001 Fannin Street
Houston, TX 77002-6760
Attn: Crystal L. Lightfield

                                (Kenai Refinery)
                                 DEED OF TRUST,
                   SECURITY AGREEMENT AND FINANCING STATEMENT



                                     AMONG



                        TESORO ALASKA PETROLEUM COMPANY,
                                   AS TRUSTOR



                                      AND



              TRANSALASKA TITLE INSURANCE AGENCY, INC., AS TRUSTEE



                                      AND



              TEXAS COMMERCE BANK NATIONAL ASSOCIATION, AS AGENT,
                                 AS BENEFICIARY

                           DATED AS OF APRIL 20, 1994


THIS INSTRUMENT COVERS, AMONG OTHER PROPERTY, GOODS WHICH ARE OR MAY BECOME
FIXTURES ON REAL PROPERTY DESCRIBED ON EXHIBIT A HERETO, AND IS TO BE FILED FOR
RECORD IN THE REAL ESTATE RECORDS AS BOTH A MORTGAGE OF REAL PROPERTY AND AS A
FIXTURES FINANCING STATEMENT UNDER THE UNIFORM COMMERCIAL CODE.
<PAGE>   2
                               TABLE OF CONTENTS

<TABLE>
<CAPTION>
                                                             ARTICLE I

                                                            Definitions

         <S>            <C>                                                                                         <C>
         Section 1.01   Terms Defined Above   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   1
         Section 1.02   Definitions   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   1
         Section 1.03   Other Defined Terms   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   3


                                                             ARTICLE II

                                               Grant of Lien and Indebtedness Secured

         Section 2.01   Grant of Liens  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   3
         Section 2.02   Grant of Security Interest  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   3
         Section 2.03   Indebtedness Secured  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   4
         Section 2.04   Fixture Filing, Etc.  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   4


                                                             ARTICLE III

                                              Representations, Warranties and Covenants

         Section 3.01   Title   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   4
         Section 3.02   Defend Title  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   4
         Section 3.03   Not a Foreign Person  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   5
         Section 3.04   Power to Create Lien and Security   . . . . . . . . . . . . . . . . . . . . . . . . . . .   5
         Section 3.05   Abandon, Sales  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   5
         Section 3.06   Failure to Perform  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   5
         Section 3.07   Maintenance of Mortgaged Property   . . . . . . . . . . . . . . . . . . . . . . . . . . .   5

                                                             ARTICLE IV

                                                         Rights and Remedies

         Section 4.01   Event of Default  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   6
         Section 4.02   Foreclosure and Sale  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   6
         Section 4.03   Substitute Trustees and Agents  . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   7
         Section 4.04   Judicial Foreclosure; Receivership  . . . . . . . . . . . . . . . . . . . . . . . . . . .   7
         Section 4.05   Foreclosure for Installments  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   7
         Section 4.06   Separate Sales  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   7
         Section 4.07   Possession of Mortgaged Property  . . . . . . . . . . . . . . . . . . . . . . . . . . . .   8
         Section 4.08   Occupancy After Foreclosure   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   8
         Section 4.09   Remedies Cumulative, Concurrent and Nonexclusive  . . . . . . . . . . . . . . . . . . . .   8
         Section 4.10   No Release of Obligations   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   8
         Section 4.11   Release of and Resort to Collateral   . . . . . . . . . . . . . . . . . . . . . . . . . .   9
         Section 4.12   Waiver of Redemption, Notice and Marshalling of Assets, Etc   . . . . . . . . . . . . . .   9
</TABLE>





                                      -i-
<PAGE>   3
<TABLE>
         <S>            <C>                                                                                        <C>
         Section 4.13   Discontinuance of Proceedings   . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   9
         Section 4.14   Application of Proceeds   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   9
         Section 4.15   INDEMNITY   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  10


                                                              ARTICLE V

                                                             The Trustee

         Section 5.01   Duties, Rights, and Powers of Trustee   . . . . . . . . . . . . . . . . . . . . . . . . .  10
         Section 5.02   Successor Trustee   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  11
         Section 5.03   Retention of Moneys   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  11



                                                             ARTICLE VI

                                                            Miscellaneous

         Section 6.01   Instrument Construed as Deed of Trust, Etc.   . . . . . . . . . . . . . . . . . . . . . .  11
         Section 6.02   Release of Deed of Trust  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  12
         Section 6.03   Severability  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  12
         Section 6.04   Successors and Assigns of Parties   . . . . . . . . . . . . . . . . . . . . . . . . . . .  12
         Section 6.05   Satisfaction of Prior Encumbrance   . . . . . . . . . . . . . . . . . . . . . . . . . . .  12
         Section 6.06   Subrogation of Trustee  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  12
         Section 6.07   Nature of Covenants   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  12
         Section 6.08   Notices   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  12
         Section 6.09   Counterparts  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  13
         SECTION 6.11   EXCULPATION PROVISIONS  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  13

         Exhibit A      -      Mortgaged Property
</TABLE>





                                      -ii-
<PAGE>   4
                                 DEED OF TRUST,
                   SECURITY AGREEMENT AND FINANCING STATEMENT    


     This DEED OF TRUST, SECURITY AGREEMENT AND FINANCING STATEMENT is entered
into as of the effective time and date hereinafter stated (the "Effective
Date") among TESORO ALASKA PETROLEUM COMPANY, a Delaware corporation, whose
address for notice hereunder is 8700 Tesoro Drive, San Antonio, Texas 78217
("Trustor"), TRANSALASKA TITLE INSURANCE AGENCY, INC., an Alaska corporation,
whose address is 400 W. Tudor Road, Anchorage, Alaska 99503 (including any
successor trustee at the time acting as such hereunder, "Trustee") and TEXAS
COMMERCE BANK NATIONAL ASSOCIATION, a national banking association, as Agent
for the benefit of the Issuing Banks and the Lenders, with offices and banking
quarters at 712 Main Street, Houston, Texas 77002 ("Beneficiary").

                                R E C I T A L S:

     A.   On even date herewith, Tesoro Petroleum Corporation (the "Company"),
Texas Commerce Bank National Association, individually, as Agent and as an
Issuing Bank, Banque Paribas, individually, as Co-Agent and as an Issuing Bank,
and the other financial institutions parties thereto are executing a Credit
Agreement (as amended from time to time, the "Credit Agreement").

     B.   The Lenders and the Issuing Banks have conditioned their obligations
under the Credit Agreement upon the execution and delivery by Trustor of this
Deed of Trust, and Trustor has agreed to enter into this Deed of Trust.

     C.   Therefore, in order to comply with the terms and conditions of the
Credit Agreement and for other good and valuable consideration, the receipt and
sufficiency of which are hereby acknowledged, Trustor hereby agrees with
Beneficiary as follows:


                                   ARTICLE I

                                  Definitions

     Section 1.01   Terms Defined Above.  As used in this Deed of Trust, the
terms "Beneficiary," "Company," "Credit Agreement," "Effective Date," "Trustee"
and "Trustor" shall have the meanings respectively assigned to them.

     Section 1.02   Definitions.  As used in this Deed of Trust, the following
terms shall have the meanings herein specified (to be equally applicable to
both the singular and plural forms of the terms defined):

          "Alaska UCC" shall mean the Uniform Commercial Code as presently in
effect in the state of Alaska.

          "Deed of Trust" shall mean this Deed of Trust, Security Agreement and
     Financing Statement as the same may from time to time be amended,
     supplemented or otherwise modified.

          "Improvements" shall mean all improvements owned by Trustor now or
     hereafter attached to or placed, erected, constructed or developed on the
     Kenai Refinery Premises (excluding the Property leased pursuant to the
     Solar  Turbine Lease).
<PAGE>   5
          "Indebtedness" shall have the meaning assigned to such term in
     Section 2.03.

          "Kenai Refinery Premises" shall mean the real property owned by
     Trustor described on Exhibit A attached hereto.

          "Kenai Refinery Related Property" shall mean (i) all Improvements;
     (ii) all Refinery Personal Property; (iii) all water and water rights
     pertaining to the Kenai Refinery Premises; (iv) all building materials and
     equipment now or hereafter delivered to and intended to be installed in or
     on the Kenai Refinery Premises or on the Improvements; (v) all plans and
     specifications for the Improvements; (vi) all rights of Trustor (but not
     its obligations) under any contracts relating to the Kenai Refinery
     Premises, the Improvements or the Refinery Personal Property, including
     without limitation, the Solar Turbine Lease, but excluding contract rights
     under contracts containing prohibitions against assignment of or the
     granting of a security interest in the rights of a party thereunder; (vii)
     all rights of Trustor (but not its obligations) under any accounts,
     construction contracts, architectural agreements and general intangibles,
     other than contract rights under contracts containing prohibitions against
     assignment of or the granting of a security interest in the rights of a
     party thereunder, (but excluding trademarks, trade names and symbols)
     arising from or by virtue of any transactions related to the Kenai
     Refinery Premises, Improvements or Refinery Personal Property; (viii) all
     permits, licenses, franchises, certificates, and other rights and
     privileges obtained in connection with the Kenai Refinery Premises, the
     Improvements and the Refinery Personal Property; (ix) all proceeds arising
     from or by virtue of the sale, lease or other disposition of the Kenai
     Refinery Premises, the Improvements or the Refinery Personal Property; (x)
     all proceeds of each policy of insurance relating to the Kenai Refinery
     Premises, the Improvements or the Refinery Personal Property; (xi) all
     proceeds from the taking of any of the Kenai Refinery Premises, the
     Improvements, the Refinery Personal Property or any rights appurtenant
     thereto by right of eminent domain or by private or other purchase in lieu
     thereof, including change of grade of streets, curb cuts or other rights
     of access, for any public or quasi-public use under any Governmental
     Requirement; (xii) all right, title and interest of Trustor in and to all
     streets, roads, public places, easements and rights-of-way, existing or
     proposed, public or private, adjacent to or used in connection with,
     belonging or pertaining to the Kenai Refinery Premises; (xiii) all of the
     leases, rents, royalties, bonuses, issues, profits, revenues or other
     benefits of the Kenai Refinery Premises, the Improvements or the Refinery
     Personal Property, including without limitation, cash or securities
     deposited pursuant to leases to secure performance by the lessees of their
     obligations thereunder; (xiv) all consumer goods located in, on or about
     the Kenai Refinery Premises or the Improvements or used in connection with
     the use or operation thereof; (xv) all rights, hereditaments and
     appurtenances pertaining to the foregoing; and (xvi) all other interests
     of every kind and character that Trustor now has or at any time hereafter
     acquires in and to the Kenai Refinery Premises, Improvements and Refinery
     Personal Property described herein and all Property that is used or useful
     in connection therewith, including, without limitation, rights of ingress
     and egress and all reversionary rights or interests of Trustor with
     respect to such Kenai Refinery Premises, Improvements or Refinery Personal
     Property.

          "Mortgaged Property" shall mean the Kenai Refinery Premises and the
     Kenai Refinery Related Property.

          "Permitted Encumbrances" shall have the meaning assigned to such term
     in Section 3.01.

          "Post-Default Rate" shall have the meaning assigned to such term in
     Section 3.06.





                                      -2-
<PAGE>   6
          "Refinery Personal Property" shall mean all equipment, fixtures,
     furnishings, inventory and articles of personal property of Trustor
     (excluding from the foregoing the Property leased pursuant to the Solar
     Turbine Lease) now or hereafter attached to or used in or about the
     Improvements or that are necessary or useful for the complete and
     comfortable use and occupancy of the Improvements for the purposes for
     which they were or are to be attached, placed, erected, constructed or
     developed, or which are or may be used in or related to the planning,
     development, financing or operation of the Improvements, and all renewals
     of or replacements or substitutions for any of the foregoing, whether or
     not the same are or shall be attached to the Kenai Refinery Premises or
     the Improvements.

     Section 1.03   Other Defined Terms.  Any capitalized term used in this
Deed of Trust and not defined in this Deed of Trust shall have the meaning
assigned to such term in the Credit Agreement.

                                   ARTICLE II

                     Grant of Lien and Indebtedness Secured

     Section 2.01   Grant of Liens.  To secure payment of the Indebtedness and
the performance of the covenants and obligations herein contained, Trustor does
by these presents hereby GRANT, BARGAIN, SELL, ASSIGN, MORTGAGE, TRANSFER and
CONVEY unto Trustee and Trustee's successors and substitutes in trust
hereunder, with power of sale, for the use and benefit of Beneficiary, all of
Trustor's rights, titles, interests and estates in and to the Mortgaged
Property.

     TO HAVE AND TO HOLD the Mortgaged Property unto the Trustee and to
Trustee's successors and assigns forever to secure the payment of the
Indebtedness (hereinafter defined) and to secure the performance of the
covenants, agreements, and obligations of the Trustor herein contained.

     Section 2.02   Grant of Security Interest.  To further secure the
Indebtedness, Trustor hereby grants to Beneficiary a security interest in and
to the Mortgaged Property (whether now or hereafter acquired by operation of
law or otherwise) insofar as the Mortgaged Property consists of equipment,
accounts, contract rights, general intangibles, insurance contracts, insurance
proceeds, inventory, Hydrocarbons, fixtures and any and all other personal
property of any kind or character defined in and subject to the provisions of
the Alaska UCC, including the proceeds and products from any and all of such
personal property.  Upon the happening of any of the Events of Default,
Beneficiary is and shall be entitled to all of the rights, powers and remedies
afforded a secured party by the Alaska UCC with reference to the personal
property and fixtures in which Beneficiary has been granted a security interest
herein, or the Trustee or Beneficiary may proceed as to both the real and
personal property covered hereby in accordance with the rights and remedies
granted under this Deed of Trust in respect of the real property covered
hereby.  Such rights, powers and remedies shall be cumulative and in addition
to those granted to the Trustee or Beneficiary under any other provision of
this Deed of Trust or under any other Security Instrument.  Written notice
mailed to Trustor as provided herein at least fifteen (15) days prior to the
date of public sale of any part of the Mortgaged Property which is personal
property subject to the provisions of the Alaska UCC, or prior to the date
after which private sale of any such part of the Mortgaged Property will be
made, shall constitute reasonable notice.

     Section 2.03   Indebtedness Secured.  This Deed of Trust is executed and
delivered by Trustor to secure and enforce the following (the "Indebtedness"):





                                      -3-
<PAGE>   7
     (a)  Payment of and performance of any and all indebtedness, obligations
and liabilities of Trustor pursuant to that certain Guaranty Agreement of even
date herewith executed by the Trustor, among others, in favor of the Agent, the
Issuing Banks and the Lenders (as the same may from time to time be amended,
supplemented or otherwise modified, the "Guaranty Agreement"), guaranteeing the
prompt and complete payment when due (whether at the stated maturity, by
acceleration or otherwise) of the Obligations (as defined in the Guaranty
Agreement) including, without limitation, the Letters of Credit and the Notes
evidencing Revolving Credit Loans and Term Loans the proceeds of which may be
disbursed over time, then satisfied in whole or in part, and then disbursed
again over time, which indebtedness, obligations and liabilities will have a
total principal balance from time to time of not more than $125,000,000.

     (b)  Any sums which may be advanced or paid by Beneficiary or any Lender
under the terms hereof on account of the failure of Trustor to comply with the
covenants of the Trustor contained herein or in the Credit Agreement; and all
other indebtedness of Trustor arising pursuant to the provisions of this Deed
of Trust.

     The Indebtedness which is secured by this Deed of Trust, if not sooner
paid, is all due and payable on the 31st day of March, 1998.  For the purpose
of AS 34.20.150, the period of this Deed of Trust and the date when this Deed
of Trust matures is six (6) years after said date.

     THE INDEBTEDNESS IS SENIOR DEBT AS SUCH TERM IS DEFINED IN THAT CERTAIN
SUBORDINATION AGREEMENT DATED DECEMBER 15, 1992 AMONG TRUSTOR, THE COMPANY AND
THE STATE OF ALASKA ATTACHED AS EXHIBIT 7 TO THE SETTLEMENT AGREEMENT DATED
DECEMBER 15, 1992 AMONG TRUSTOR, THE COMPANY AND THE STATE OF ALASKA.

     Section 2.04   Fixture Filing, Etc.  Without in any manner limiting the
generality of any of the other provisions of this Deed of Trust: (i) some
portions of the goods described or to which reference is made herein are or are
to become fixtures on the land described or to which reference is made herein
or on attached Exhibit A; (ii) this Deed of Trust is to be filed of record in
the real estate records as a financing statement, and (iii) Trustor is the
record owner of the real estate or interests in the real estate comprised of
the Mortgaged Property.


                                  ARTICLE III

                   Representations, Warranties and Covenants

     Trustor hereby represents, warrants and covenants as follows:

     Section 3.01   Title.  To the extent of the undivided interests specified
on attached Exhibit A, Trustor has good and indefeasible title to and is
possessed of the Mortgaged Property.  The Mortgaged Property is free of any and
all Liens, except Liens allowed by Section 5.04(b) of the Credit Agreement and
Liens described on Exhibit B hereto (collectively, the "Permitted
Encumbrances").

     Section 3.02   Defend Title.  Subject only to the Permitted Encumbrances,
this Deed of Trust is, and always will be kept, a direct first lien and
security interest upon the Mortgaged Property and Trustor will not create or
suffer to be created or permit to exist any lien, security interest or charge
prior or junior to or on a parity with the lien and security interest of this
Deed of Trust upon the Mortgaged Property or any part thereof or upon the
rents, issues, revenues, profits and other income therefrom,





                                      -4-
<PAGE>   8
except as permitted by Section 5.04(b)(xv) of the Credit Agreement.  Trustor
will warrant and defend the title to the Mortgaged Property against the claims
and demands of all other persons whomsoever and will maintain and preserve the
lien created hereby so long as any of the Indebtedness secured hereby remains
unpaid.  Should an adverse claim be made against or a cloud develop upon the
title to any part of the Mortgaged Property, Trustor agrees it will immediately
defend against such adverse claim or take appropriate action to remove such
cloud at Trustor's cost and expense, and Trustor further agrees that the
Trustee and/or Beneficiary may take such other action as they deem advisable to
protect and preserve their interests in the Mortgaged Property, and in such
event Trustor will indemnify the Trustee and Beneficiary against any and all
cost, attorney's fees and other expenses which they may incur in defending
against any such adverse claim or taking action to remove any such cloud.

     Section 3.03   Not a Foreign Person.  Trustor is not a "foreign person"
within the meaning of the Internal Revenue Code of 1986, as amended
(hereinafter called the "Code"), Sections 1445 and 7701 (i.e. Trustor is not a
non-resident alien, foreign corporation, foreign partnership, foreign trust or
foreign estate as those terms are defined in the Code and any regulations
promulgated thereunder).

     Section 3.04   Power to Create Lien and Security.  The Trustor has full
power and lawful authority to grant, bargain, sell, assign, transfer, mortgage,
and convey a lien and security interest in all of the Mortgaged Property in the
manner and form herein provided and without obtaining the authorization,
approval, consent or waiver of any lessor, sublessor, Governmental Authority or
other party or parties whomsoever.

     Section 3.05   Abandon, Sales.  The Trustor will not sell, lease, assign,
transfer or otherwise dispose or abandon any of the Mortgaged Property except
as permitted by the Credit Agreement.

     Section 3.06   Failure to Perform.  The Trustor agrees that if the Trustor
or the Company fails to perform any act or to take any action which the Trustor
or the Company is required to perform or take hereunder or under the Credit
Agreement or pay any money which the Trustor or the Company is required to pay
hereunder or under the Credit Agreement, each of the Beneficiary and the
Trustee in the Trustor's name or its or their own name may, but shall not be
obligated to, perform or cause to perform such act or take such action or pay
such money, and any expenses so incurred by either of them and any money so
paid by either of them shall be a demand obligation owing by the Trustor and
the Company, jointly and severally, to the Beneficiary or the Trustee, as the
case may be, and each of the Beneficiary and the Trustee, upon making such
payment, shall be subrogated to all of the rights of the Person receiving such
payment.  Each amount due and owing by Trustor and the Company to each of the
Beneficiary and the Trustee pursuant to this Deed of Trust shall bear interest
from the date of such expenditure or payment or other occurrence which gives
rise to such amount being owed to such Person until paid at the rate for
overdue principal and interest set forth in Section 2.06(c) of the Credit
Agreement (the "Post-Default Rate"), and all such amounts together with such
interest thereon shall be a part of the Indebtedness described in Section 1.03
hereof.

     Section 3.07   Maintenance of Mortgaged Property.  Trustor will keep the
Mortgaged Property in good condition and repair and will not commit or permit
any waste, impairment or deterioration of the same and generally will not do
any act by which the value of the Mortgaged Property may become impaired.  Nor
shall any Improvements or Refinery Personal Property be destroyed or removed
from the Kenai Refinery Premises without the written consent of Beneficiary.





                                      -5-
<PAGE>   9
                                   ARTICLE IV

                              Rights and Remedies

     Section 4.01   Event of Default.  An "Event of Default" under the Credit
Agreement shall be an Event of Default under this Deed of Trust.

     Section 4.02   Foreclosure and Sale.  If an Event of Default shall occur
and be continuing, Beneficiary shall have the right and option to proceed with
foreclosure by directing the Trustee, or his successors or substitutes in
trust, to proceed with foreclosure and to sell, to the extent permitted by law,
all or any portion of the Mortgaged Property at one or more sales, as an
entirety or in parcels, at such place or places in otherwise such manner and
upon such notice as may be required by law, or, in the absence of any such
requirement, as the Beneficiary may deem appropriate, and to make conveyance to
the purchaser or purchasers.  Where the Mortgaged Property is situated in more
than one judicial district, notice as above provided shall be posted and filed
in all such judicial districts (if such notices are required by law), and all
such Mortgaged Property may be sold in any such judicial district and any such
notice shall designate the judicial district where such Mortgaged Property is
to be sold.  Nothing contained in this Section 4.02 shall be construed so as to
limit in any way the Trustee's rights to sell the Mortgaged Property, or any
portion thereof, by private sale if, and to the extent that, such private sale
is permitted under the laws of the applicable jurisdiction or by public or
private sale after entry of a judgment by any court of competent jurisdiction
so ordering.  Trustor hereby irrevocably appoints the Trustee to be the
attorney of Trustor and in the name and on behalf of Trustor to execute and
deliver any deeds, transfers, conveyances, assignments, assurances and notices
which Trustor ought to execute and deliver and do and perform any and all such
acts and things which Trustor ought to do and perform under the covenants
herein contained and generally, to use the name of Trustor in the exercise of
all or any of the powers hereby conferred on the Trustee.  At any such sale:
(i) whether made under the power of sale herein contained or any other legal
enactment, or by virtue of any judicial proceedings or any other legal right,
remedy or recourse, it shall not be necessary for Trustee to have physically
present, or to have constructive possession of, the Mortgaged Property (Trustor
hereby covenanting and agreeing to deliver to Trustee any portion of the
Mortgaged Property not actually or constructively possessed by Trustee
immediately upon demand by Trustee) and the title to and right of possession of
any such property shall pass to the purchaser thereof as completely as if the
same had been actually present and delivered to purchaser at such sale, (ii)
each instrument of conveyance executed by Trustee shall contain a general
warranty of title, binding upon Trustor and its successors and assigns, (iii)
each and every recital contained in any instrument of conveyance made by
Trustee shall conclusively establish the truth and accuracy of the matters
recited therein, including, without limitation, nonpayment of the Indebtedness,
advertisement and conduct of such sale in the manner provided herein and
otherwise by law and appointment of any successor Trustee hereunder, (iv) any
and all prerequisites to the validity thereof shall be conclusively presumed to
have been performed, (v) the receipt of Trustee or of such other party or
officer making the sale shall be a sufficient discharge to the purchaser or
purchasers for its purchase money and no such purchaser or purchasers, or its
assigns or personal representatives, shall thereafter be obligated to see to
the application of such purchase money, or be in any way answerable for any
loss, misapplication or nonapplication thereof, (vi) to the fullest extent
permitted by law, Trustor shall be completely and irrevocably divested of all
of its right, title, interest, claim and demand whatsoever, either at law or in
equity, in and to the property sold and such sale shall be a perpetual bar both
at law and in equity against Trustor, and against any and all other persons
claiming or to claim the property sold or any part thereof, by, through or
under Trustor, and (vii) to the extent and under such circumstances as are
permitted by law, Beneficiary may be a purchaser at any such sale, and shall
have the right, after





                                      -6-
<PAGE>   10
paying or accounting for all costs of said sale or sales, to credit the amount
of the bid upon the amount of the Indebtedness (in the order of priority set
forth in Section 4.13 hereof) in lieu of cash payment.

     Section 4.03   Substitute Trustees and Agents.  The Trustee or his
successor or substitute may appoint or delegate any one or more persons as
agent to perform any act or acts necessary or incident to any sale held by
Trustee, including the posting of notices and the conduct of sale, but in the
name and on behalf of Trustee, his successor or substitute.  If Trustee or his
successor or substitute shall have given notice of sale hereunder, any
successor or substitute trustee thereafter appointed may complete the sale and
the conveyance of the property pursuant thereto as if such notice had been
given by the successor or substitute trustee conducting the sale.

     Section 4.04   Judicial Foreclosure; Receivership.  If any of the
Indebtedness shall become due and payable and shall not be promptly paid, the
Trustee or Beneficiary shall have the right and power to proceed by a suit or
suits in equity or at law, whether for the specific performance of any covenant
or agreement herein contained or in aid of the execution of any power herein
granted, or for any foreclosure hereunder or for the sale of the Mortgaged
Property under the judgment or decree of any court or courts of competent
jurisdiction, or for the appointment of a receiver pending any foreclosure
hereunder or the sale of the Mortgaged Property under the order of a court or
courts of competent jurisdiction or under executory or other legal process, or
for the enforcement of any other appropriate legal or equitable remedy.  Any
money advanced by the Trustee and/or Beneficiary in connection with any such
receivership shall be a demand obligation (which obligation Trustor hereby
expressly promises to pay) owing by Trustor to the Trustee and/or Beneficiary
and shall bear interest from the date of making such advance by the Trustee
and/or Beneficiary until paid at the Post Default Rate.

     Section 4.05   Foreclosure for Installments.  To the fullest extent
permitted by law, Beneficiary shall also have the option to proceed with
foreclosure in satisfaction of any installments of the Indebtedness which have
not been paid when due either through the courts or by directing the Trustee or
his successors in trust to proceed with foreclosure in satisfaction of the
matured but unpaid portion of the Indebtedness as if under a full foreclosure,
conducting the sale as herein provided and without declaring the entire
principal balance and accrued interest due; such sale may be made subject to
the unmatured portion of the Indebtedness, and any such sale shall not in any
manner affect the unmatured portion of the Indebtedness, but as to such
unmatured portion of the Indebtedness this Deed of Trust shall remain in full
force and effect just as though no sale had been made hereunder.  It is further
agreed that, to the fullest extent permitted by law, several sales may be made
hereunder without exhausting the right of sale for any unmatured part of the
Indebtedness, it being the purpose hereof to provide for a foreclosure and sale
of the security for any matured portion of the Indebtedness without exhausting
the power to foreclose and sell the Mortgaged Property for any subsequently
maturing portion of the Indebtedness.

     Section 4.06   Separate Sales  The Mortgaged Property may be sold in one
or more parcels and in such manner and order as Beneficiary, in its sole
discretion, may elect, it being expressly understood and agreed that the right
of sale arising out of any Event of Default shall not be exhausted by any one
or more sales.

     Section 4.07   Possession of Mortgaged Property.  Trustor agrees to the
full extent that it lawfully may, that, in case one or more of the Events of
Default shall have occurred and shall not have been remedied, then, and in
every such case, the Trustee or Beneficiary shall have the right and power to
enter into and upon and take possession of all or any part of the Mortgaged
Property in the possession of Trustor, its successors or assigns, or its or
their agents or servants, and may exclude Trustor, its





                                      -7-
<PAGE>   11
successors or assigns, and all persons claiming under Trustor, and its or their
agents or servants wholly or partly therefrom; and, holding the same, the
Trustee may use, administer, manage, operate and control the Mortgaged Property
and conduct the business thereof to the same extent as Trustor, its successors
or assigns, might at the time do and may exercise all rights and powers of
Trustor, in the name, place and stead of Trustor, or otherwise as the Trustee
shall deem best.  All costs, expenses and liabilities of every character
incurred by the Trustee and/or Beneficiary in administering, managing,
operating, and controlling the Mortgaged Property shall constitute a demand
obligation (which obligation Trustor hereby expressly promises to pay) owing by
Trustor to the Trustee and/or Beneficiary and shall bear interest from date of
expenditure until paid at the Post Default Rate, all of which shall constitute
a portion of the Indebtedness and shall be secured by this Deed of Trust and
all other Security Instruments.

     Section 4.08   Occupancy After Foreclosure.  In the event there is a
foreclosure sale hereunder and at the time of such sale Trustor or Trustor's
heirs, devisees, representatives, successors or assigns or any other person
claiming any interest in the Mortgaged Property by, through or under Trustor,
are occupying or using the Mortgaged Property or any part thereof, each and all
shall immediately become the tenant of the purchaser at such sale, which
tenancy shall be a tenancy from day to day, terminable at the will of either
the landlord or tenant, or at a reasonable rental per day based upon the value
of the property occupied, such rental to be due daily to the purchaser; to the
extent permitted by applicable law, the purchaser at such sale shall,
notwithstanding any language herein apparently to the contrary, have the sole
option to demand immediate possession following the sale or to permit the
occupants to remain as tenants at will.  In the event the tenant fails to
surrender possession of said property upon demand, the purchaser shall be
entitled to institute and maintain a summary action for possession of the
Mortgaged Property (such as an action for forcible entry and detainer) in any
court having jurisdiction.

     Section 4.09   Remedies Cumulative, Concurrent and Nonexclusive.  Every
right, power and remedy herein given to the Trustee or Beneficiary shall be
cumulative and in addition to every other right, power and remedy herein
specifically given or now or hereafter existing in equity, at law or by statute
(including specifically those granted by the Alaska UCC and applicable to the
Deed of Trust Property or any portion thereof) each and every right, power and
remedy whether specifically herein given or otherwise existing may be exercised
from time to time and so often and in such order as may be deemed expedient by
the Trustee or Beneficiary, and the exercise, or the beginning of the exercise,
of any such right, power or remedy shall not be deemed a waiver of the right to
exercise, at the same time or thereafter any other right, power or remedy.  No
delay or omission by the Trustee or Beneficiary in the exercise of any right,
power or remedy shall impair any such right, power or remedy or operate as a
waiver thereof or of any other right, power or remedy then or thereafter
existing.

     Section 4.10   No Release of Obligations.  Neither Trustor, any guarantor
nor any other person hereafter obligated for payment of all or any part of the
Indebtedness shall be relieved of such obligation by reason of (a) the failure
of Trustee to comply with any request of Trustor, or any guarantor or any other
person so obligated to foreclose the lien of this Deed of Trust or to enforce
any provision hereunder or under the Credit Agreement; (b) the release,
regardless of consideration, of the Mortgaged Property or any portion thereof
or interest therein or the addition of any other property to the Mortgaged
Property; (c) any agreement or stipulation between any subsequent owner of the
Mortgaged Property and Beneficiary extending, renewing, rearranging or in any
other way modifying the terms of this Deed of Trust without first having
obtained the consent of, given notice to or paid any consideration to Trustor,
any guarantor or such other person, and in such event Trustor, guarantor and
all such other persons shall continue to be liable to make payment according to
the terms of any such extension or modification agreement unless expressly
released and discharged in writing by Beneficiary; or (d) by any other act or





                                      -8-
<PAGE>   12
occurrence save and except the complete payment of the Indebtedness and the
complete fulfillment of all obligations hereunder or under the Credit
Agreement.

     Section 4.11   Release of and Resort to Collateral.  Beneficiary may
release, regardless of consideration, any part of the Mortgaged Property
without, as to the remainder, in any way impairing, affecting, subordinating or
releasing the lien or security interest created in or evidenced by this Deed of
Trust or its stature as a first and prior lien and security interest in and to
the Mortgaged Property, and without in any way releasing or diminishing the
liability of any person or entity liable for the repayment of the Indebtedness.
For payment of the Indebtedness, Beneficiary may resort to any other security
therefor held by Beneficiary or Trustee in such order and manner as Beneficiary
may elect.

     Section 4.12   Waiver of Redemption, Notice and Marshalling of Assets,
Etc.  To the fullest extent permitted by law, Trustor hereby irrevocably and
unconditionally waives and releases (a) all benefits that might accrue to
Trustor by virtue of any present or future moratorium law or other law
exempting the Mortgaged Property from attachment, levy or sale on execution or
providing for any appraisement, valuation, stay of execution, exemption from
civil process, redemption or extension of time for payment; (b) except for such
notice as provided for in the Credit Agreement, all notices of any Event of
Default or of Beneficiary's intention to accelerate maturity of the
Indebtedness or of Trustee's election to exercise or his actual exercise of any
right, remedy or recourse provided for hereunder or under the Credit Agreement;
and (c) any right to a marshalling of assets or a sale in inverse order of
alienation.  If any law referred to in this Deed of Trust and now in force, of
which Trustor or its successor or successors might take advantage despite the
provisions hereof, shall hereafter be repealed or cease to be in force, such
law shall thereafter be deemed not to constitute any part of the contract
herein contained or to preclude the operation or application of the provisions
hereof.

     Section 4.13   Discontinuance of Proceedings  In case Beneficiary shall
have proceeded to invoke any right, remedy or recourse permitted hereunder or
under the Credit Agreement and shall thereafter elect to discontinue or abandon
same for any reason, Beneficiary shall have the unqualified right so to do and,
in such an event, Trustor and Beneficiary shall be restored to their former
positions with respect to the Indebtedness, this Deed of Trust, the Credit
Agreement, the Mortgaged Property and otherwise, and the rights, remedies,
recourses and powers of Beneficiary shall continue as if same had never been
invoked.

     Section 4.14   Application of Proceeds.  The proceeds of any sale of the
Mortgaged Property or any part thereof and all other monies received by the
Trustee in any proceedings for the enforcement hereof, whose application has
not elsewhere herein been specifically provided for, shall be applied:

     (a)  first, to the payment of all expenses incurred by the Trustee or
Beneficiary incident to the enforcement of this Deed of Trust, the Credit
Agreement or any of the Indebtedness (including, without limiting the
generality of the foregoing, expenses of any entry or taking of possession, of
any sale, of advertisement thereof, and of conveyances, and court costs,
compensation of agents and employees and legal fees), and to the payment of all
other charges, expenses, liabilities and advances incurred or made by the
Trustee or Beneficiary under this Deed of Trust or in executing any trust or
power hereunder;

     (b)  second to payment of the Indebtedness in such order and manner as
Beneficiary may elect; and

     (c)  third, to Trustor; or as otherwise required by any Governmental
Requirement.





                                      -9-
<PAGE>   13
     Section 4.15   INDEMNITY.  IN CONNECTION WITH ANY ACTION TAKEN BY THE
TRUSTEE AND/OR BENEFICIARY PURSUANT TO THIS DEED OF TRUST, THE TRUSTEE AND/OR
BENEFICIARY AND THEIR OFFICERS, DIRECTORS, EMPLOYEES, REPRESENTATIVES, AGENTS,
ATTORNEYS, ACCOUNTANTS AND EXPERTS ("INDEMNIFIED PARTIES") SHALL NOT BE LIABLE
FOR ANY LOSS SUSTAINED BY TRUSTOR RESULTING FROM AN ASSERTION THAT BENEFICIARY
HAS RECEIVED FUNDS FROM THE PRODUCTION OF HYDROCARBONS CLAIMED BY THIRD PERSONS
OR ANY ACT OR OMISSION OF ANY INDEMNIFIED PARTY IN ADMINISTERING, MANAGING,
OPERATING OR CONTROLLING THE MORTGAGED PROPERTY INCLUDING SUCH LOSS WHICH MAY
RESULT FROM THE ORDINARY NEGLIGENCE OF AN INDEMNIFIED PARTY UNLESS SUCH LOSS IS
CAUSED BY THE WILLFUL MISCONDUCT OR BAD FAITH OF AN INDEMNIFIED PARTY, NOR
SHALL THE TRUSTEE AND/OR BENEFICIARY BE OBLIGATED TO PERFORM OR DISCHARGE ANY
OBLIGATION, DUTY OR LIABILITY OF TRUSTOR. TRUSTOR SHALL AND DOES HEREBY AGREE
TO INDEMNIFY EACH INDEMNIFIED PARTY FOR, AND TO HOLD EACH INDEMNIFIED PARTY
HARMLESS FROM, ANY AND ALL LIABILITY, LOSS OR DAMAGE WHICH MAY OR MIGHT BE
INCURRED BY ANY INDEMNIFIED PARTY BY REASON OF THIS DEED OF TRUST OR THE
EXERCISE OF RIGHTS OR REMEDIES HEREUNDER; SHOULD THE TRUSTEE AND/OR BENEFICIARY
MAKE ANY EXPENDITURE ON ACCOUNT OF ANY SUCH LIABILITY, LOSS OR DAMAGE, THE
AMOUNT THEREOF, INCLUDING COSTS, EXPENSES AND REASONABLE ATTORNEYS' FEES, SHALL
BE A DEMAND OBLIGATION (WHICH OBLIGATION TRUSTOR HEREBY EXPRESSLY PROMISES TO
PAY) OWING BY TRUSTOR TO THE TRUSTEE AND/OR BENEFICIARY AND SHALL BEAR INTEREST
FROM THE DATE EXPENDED UNTIL PAID AT THE POST-DEFAULT RATE, SHALL BE A PART OF
THE INDEBTEDNESS AND SHALL BE SECURED BY THIS DEED OF TRUST AND ANY OTHER
SECURITY INSTRUMENT.  THE LIABILITIES OF THE TRUSTOR AS SET FORTH IN THIS
SECTION 4.15 SHALL SURVIVE THE TERMINATION OF THIS DEED OF TRUST.

                                   ARTICLE V

                                  The Trustee

     Section 5.01   Duties, Rights, and Powers of Trustee.  It shall be no part
of the duty of the Trustee to see to any recording, filing or registration of
this Deed of Trust or any other instrument in addition or supplemental thereto,
or to give any notice thereof, or to see to the payment of or be under any duty
in respect of any tax or assessment or other governmental charge which may be
levied or assessed on the Mortgaged Property, or any part thereof, or against
Trustor, or to see to the performance or observance by Trustor of any of the
covenants and agreements contained herein.  The Trustee shall not be
responsible for the execution, acknowledgment or validity of this Deed of Trust
or of any instrument in addition or supplemental hereto or for the sufficiency
of the security purported to be created hereby, and makes no representation in
respect thereof or in respect of the rights of Beneficiary.  The Trustee shall
have the right to advise with counsel upon any matters arising hereunder and
shall be fully protected in relying as to legal matters on the advice of
counsel.  The Trustee shall not incur any personal liability hereunder except
for Trustee's own willful misconduct; and the Trustee shall have the right to
rely on any instrument, document or signature authorizing or supporting any
action taken or proposed to be taken by him hereunder, believed by him in good
faith to be genuine.

     Section 5.02   Successor Trustee.  The Trustee may resign by written
notice addressed to Beneficiary or be removed at any time with or without cause
by an instrument in writing duly executed on behalf of Beneficiary.  In case of
the death, resignation or removal of the Trustee, a successor trustee may be
appointed by Beneficiary by instrument of substitution complying with any
applicable requirements of law, or, in the absence of any such requirement,
without other formality than appointment and designation in writing.  Written
notice of such appointment and designation shall be





                                      -10-
<PAGE>   14
given by Beneficiary to Trustor, but the validity of any such appointment shall
not be impaired or affected by failure to give such notice or by any defect
therein.  Such appointment and designation shall be full evidence of the right
and authority to make the same and of all the facts therein recited, and, upon
the making of any such appointment and designation, this Deed of Trust shall
vest in the successor trustee all the estate and title in and to all of the
Mortgaged Property, and the successor trustee shall thereupon succeed to all of
the rights, powers, privileges, immunities and duties hereby conferred upon the
Trustee named herein, and one such appointment and designation shall not
exhaust the right to appoint and designate a successor trustee hereunder but
such right may be exercised repeatedly as long as any Indebtedness remains
unpaid hereunder.  To facilitate the administration of the duties hereunder,
Beneficiary may appoint multiple trustees to serve in such capacity or in such
jurisdictions as Beneficiary may designate.

     Section 5.03   Retention of Moneys.  All moneys received by Trustee shall,
until used or applied as herein provided, be held in trust for the purposes for
which they were received, but need not be segregated in any manner from any
other moneys (except to the extent required by law), and Trustee shall be under
no liability for interest on any moneys received by him hereunder.

                                   ARTICLE VI

                                 Miscellaneous

     Section 6.01   Instrument Construed as Deed of Trust, Etc.  With respect
to any portions of the Mortgaged Property located in any state or other
jurisdiction the laws of which do not provide for the use or enforcement of a
deed of trust or the office, rights and authority of the Trustee as herein
provided, the general language of conveyance hereof to the Trustee is intended
and the same shall be construed as words of mortgage unto and in favor of
Beneficiary and the rights and authority granted to the Trustee herein may be
enforced and asserted by Beneficiary in accordance with the laws of the
jurisdiction in which such portion of the Mortgaged Property is located and the
same may be foreclosed at the option of Beneficiary as to any or all such
portions of the Mortgaged Property in any manner permitted by the laws of the
jurisdiction in which such portions of the Mortgaged Property is situated.
This Deed of Trust may be construed as a mortgage, deed of trust, chattel
mortgage, conveyance, assignment, security agreement, pledge, financing
statement, hypothecation or contract, or any one or more of them, in order
fully to effectuate the lien hereof and the purposes and agreements herein set
forth.

     Section 6.02   Release of Deed of Trust.  If all Indebtedness secured
hereby shall be paid and the Credit Agreement terminated, Beneficiary shall
forthwith cause satisfaction and discharge of this Deed of Trust to be entered
upon the record at the expense of Trustor and shall execute and deliver or
cause to be executed and delivered such instruments of satisfaction and
reassignment as may be appropriate.  Otherwise, this Deed of Trust shall remain
and continue in full force and effect.

     Section 6.03   Severability.  If any provision hereof is invalid or
unenforceable in any jurisdiction, the other provisions hereof shall remain in
full force and effect in such jurisdiction and the remaining provisions hereof
shall be liberally construed in favor of the Trustee and Beneficiary in order
to effectuate the provisions hereof, and the invalidity or unenforceability of
any provision hereof in any jurisdiction shall not affect the validity or
enforceability of any such provision in any other jurisdiction.

     Section 6.04   Successors and Assigns of Parties.  The term "Beneficiary"
as used herein shall mean and include any legal owner, holder, assignee or
pledgee of any of the Indebtedness secured hereby.





                                      -11-
<PAGE>   15
The terms used to designate Trustee, Beneficiary and Trustor shall be deemed to
include the respective heirs, legal representatives, successors and assigns of
such parties.

     Section 6.05   Satisfaction of Prior Encumbrance.  To the extent that
proceeds of the Credit Agreement are used to pay indebtedness secured by any
outstanding lien, security interest, charge or prior encumbrance against the
Mortgaged Property, such proceeds have been advanced by Beneficiary at
Trustor's request, and Beneficiary shall be subrogated to any and all rights,
security interests and liens owned by any owner or holder of such outstanding
liens, security interests, charges or encumbrances, irrespective of whether
said liens, security interests, charges or encumbrances are released, and it is
expressly understood that, in consideration of the payment of such other
indebtedness by Beneficiary, Trustor hereby waives and releases all demands and
causes of action for offsets and payments to, upon and in connection with the
said indebtedness.

     Section 6.06   Subrogation of Trustee.  This Deed of Trust is made with
full substitution and subrogation of the Trustee and his successors in this
trust and his and their assigns in and to all covenants and warranties by
others heretofore given or made in respect of the Mortgaged Property or any
part thereof.

     Section 6.07   Nature of Covenants.  The covenants and agreements herein
contained shall constitute covenants running with the land and interests
covered or affected hereby and shall be binding upon the heirs, legal
representatives, successors and assigns of the parties hereto.

     Section 6.08   Notices.  All notices, requests, consents, demands and
other communications required or permitted hereunder shall be in writing and
shall be deemed sufficiently given or furnished if delivered by registered or
certified United States mail, postage prepaid, or by personal service
(including express or courier service) at the addresses specified at the end of
this Deed of Trust (unless changed by similar notice in writing given by the
particular party whose address is to be changed). Any such notice or
communication shall be deemed to have been given either at the time of personal
delivery or, in the case of delivery at the address and in the manner provided
herein, upon receipt; provided that, service of notice as required by the laws
of any state in which portions of the Mortgaged Property may be situated shall
for all purposes be deemed appropriate and sufficient with the giving of such
notice.

     Section 6.09   Counterparts.  This Deed of Trust is being executed in
several counterparts, all of which are identical.  Each of such counterparts
shall for all purposes be deemed to be an original and all such counterparts
shall together constitute but one and the same instrument.

     Section 6.10   Headings Descriptive.  All titles or headings to articles,
sections, subsections or other divisions of this Deed of Trust or the exhibits
hereto are only for the convenience of the parties and shall not be construed
to have any effect or meaning with respect to the other content of such
articles, sections, subsections or other divisions, such other content being
controlling as to the agreement between the parties hereto.


     SECTION 6.11   EXCULPATION PROVISIONS.  EACH OF THE PARTIES HERETO
SPECIFICALLY AGREES THAT IT HAS A DUTY TO READ THIS DEED OF TRUST; AND AGREES
THAT IT IS CHARGED WITH NOTICE AND KNOWLEDGE OF THE TERMS OF THIS DEED OF
TRUST; THAT IT HAS IN FACT READ THIS DEED OF TRUST AND IS FULLY INFORMED AND
HAS FULL NOTICE AND KNOWLEDGE OF THE TERMS, CONDITIONS AND EFFECTS OF THIS DEED
OF TRUST; THAT IT HAS BEEN REPRESENTED BY INDEPENDENT LEGAL COUNSEL OF ITS
CHOICE THROUGHOUT THE NEGOTIATIONS PRECEDING ITS





                                      -12-
<PAGE>   16
EXECUTION OF THIS DEED OF TRUST; AND HAS RECEIVED THE ADVICE OF ITS ATTORNEY IN
ENTERING INTO THIS DEED OF TRUST; AND THAT IT RECOGNIZES THAT CERTAIN OF THE
TERMS OF THIS DEED OF TRUST RESULT IN ONE PARTY ASSUMING THE LIABILITY INHERENT
IN SOME ASPECTS OF THE TRANSACTION AND RELIEVING THE OTHER PARTY OF ITS
RESPONSIBILITY FOR SUCH LIABILITY.  EACH PARTY HERETO AGREES AND COVENANTS THAT
IT WILL NOT CONTEST THE VALIDITY OR ENFORCEABILITY OF ANY EXCULPATORY PROVISION
OF THIS DEED OF TRUST ON THE BASIS THAT THE PARTY HAD NO NOTICE OR KNOWLEDGE OF
SUCH PROVISION OR THAT THE PROVISION IS NOT "CONSPICUOUS."

     WITNESS THE EXECUTION HEREOF, this 19th day of April, 1994, to be
effective as of the 20th day of April, 1994 (the "Effective Date").


                                       Trustor:
                                       
                                       TESORO ALASKA PETROLEUM COMPANY
                                       
                                       
                                       By: /s/ William T. VanKleef
                                          ------------------------
                                       Name: William T. VanKleef
                                       Title: Vice President and Treasurer


The name and address of the Debtor/Trustor is:

     TESORO ALASKA PETROLEUM COMPANY
     8700 Tesoro Drive
     San Antonio, Texas  78217

The name and address of the Secured Party/Beneficiary is:

     TEXAS COMMERCE BANK
       NATIONAL ASSOCIATION, AS AGENT
     712 Main Street
     Houston, Texas  77002


THE STATE OF TEXAS       )        
                         )        
COUNTY  OF  HARRIS       )        
                          

     THIS INSTRUMENT was acknowledged before me on April 19, 1994 by William T.
VanKleef, Vice President and Treasurer of TESORO ALASKA PETROLEUM COMPANY, a
Delaware corporation, on behalf of such corporation.



                                       /s/ Anne A. Griffin
                                       --------------------
                                       Notary Public in and for
                                       The State of TEXAS





                                      -13-
<PAGE>   17
                                   EXHIBIT A


PARCEL I:

That portion of Section 22 and the Northeast 1/4 of Section 21, Township 7
North, Range 12 West, Seward Meridian, records of the Kenai Recording District,
Third Judicial District, State of Alaska, described as follows: 

   

     Commencing at the 1/4 corner common to Section 22 and Section 27, Township
     7 North, Range 12 West, Seward Meridian, Alaska, marked by an Alaska
     Department of Highways survey monument found; proceed East 2640.92 feet
     along the section line, Basis of Bearing for this description, according to
     General Land Office datum for the Section corner common to Sections 22, 23,
     26 and 27 marked by an Alaska Department of Highways monument found; thence
     N 00 degree 07'44" W 1982.23 feet along the section line common to Section
     22 and Section 23 to the northeast corner of the Seaman property, the true
     Point of Beginning for this description, marked by a 5/8" X 30" rebar with
     2" aluminum cap attached, set; thence S 89 degree 58'52" W 330.15 feet
     along the north boundary line of the Seaman property to the northwest
     corner of said property, marked by a 5/8" X 30" rebar with 2" aluminum cap
     attached, set; thence S 00 degree 07'59" E 660.69 feet along the western
     boundary of the Seaman property to the southwest corner of said property,
     marked by a 5/8" X 30" rebar with 2" aluminum cap attached, set; thence S
     89 degree 59'26" W 2310.72 feet to the CS 1/16 corner of Section 22, marked
     by a 3 1/4" aluminum monument 4928-S, found; thence N 00 degree 08'43" W
     1320.75 feet to the C 1/4 of Section 22, marked by a brass cap G. L. O.
     monument 610-S, found; thence S 89 degree 58'28" W 1320.53 feet to the CW
     1/16 corner, marked by a brass cap monument 610-S, found; thence S 89
     degree 56'49" W 991.57 feet to a property corner which is situated in a
     small pond; thence North 00 degree 05'58" W 1170.92 feet to a property
     corner marked by a 5/8" X 30" rebar, set; thence N 89 degree 59'53" W
     330.64 feet to the section line common to Section 21, Section 22 and HES
     74, marked by a brass capped monument, found; thence N 89 degree 59'53" W
     659.87 feet to a property corner situated along the easterly right-of-way
     line of the North Kenai Road; thence N 20 degree 33'50" W 19.36 feet along
     said right-of-way to a point of curvature; thence along a curve of said
     right-of-way whose radius point bears northeasterly 1357.50 feet, delta of
     1 degree 25'49", arc length 33.89 feet to a property corner marked by a
     5/8" X 30" rebar with 2" aluminum cap attached, set; thence S 89 degree
     59'53" E 678.10 feet to a property corner situated on the east line of
     Section 21, marked by a 5/8" X 30" rebar with 2" aluminum cap attached,
     set; thence N 00 degree 05'14" W 100.68 feet to the N 1/16 corner common to
     Section 21 and Section 22, marked by a brass cap monument 610-S, found;
     thence S 89 degree 59'34" E 1320.96 feet to the NW 1/16 corner Section 22,
     marked by a 3-1/4" aluminum monument 4928-S, found; thence S 89 degree
     57'03" E 322.87 feet to the Southwest corner of Tract A, K.R.D. 86-135,
     marked by a 5/8" rebar with aluminum cap attached, found; thence N 00
     degree 10'25" W 131.00 feet to the northwest corner of said tract, marked
     by a 5/8" rebar with aluminum cap attached, found; thence S 89 degree
     59'05" E 997.56 feet to the northeast corner of said tract, marked by a
     5/8" rebar with aluminum cap attached, found; thence N 00 degree 10'25" W
     413.73 feet along the N-S centerline of Section 22 to a property corner,
     marked by a 5/8" X 30" rebar with 2" aluminum cap attached, set; thence N
     85 degree 16'01" E 1324.75 feet to a property corner, marked by a 5/8" X
     30" rebar with 2" aluminum cap attached, set; thence N 00 degree 09'47" W
     668.93 feet to the E 1/16 corner common to Section 15 and Section 22,
     marked by a 3 1/4" aluminum cap monument 4928-S set; thence N 89 degree
     58'44" E 1320.69 feet along the section line to the section corner common
     to Sections 15, 14, 22 and 23, marked by a brass cap monument 631-S, found;
     thence

    


<PAGE>   18
   
       
     S 00 degree 06'52" E 1320.60 feet to the N 1/16 corner common to Section
     22 and Section 23, marked by a survey monument 3808-S, found; thence S 00
     degree 15'44" E 780.99 feet to the W. C. 1/4 corner common to Section 22
     and Section 23, marked by a brass cap monument G. L. O., found; thence S
     00 degree 07'44" E 1200.83 feet to the northeast corner of the Seaman
     property and the true Point of Beginning.

    

PARCEL II:

That certain portion of the U.S. Government Lot Sixty (60) of Section 23,
Township 6 North, Range 12 West, Seward Meridian, that lies West of existing
Westerly right-of-way line of the North Kenai Highway, in the Kenai Recording
District, Third Judicial District, State of Alaska.





                                      -2-
<PAGE>   19
                              FINANCING STATEMENT
                                (Central Filing)

     This Financing Statement is presented to a Filing Officer for filing
pursuant to the Uniform Commercial Code.

1.   The name and address of the Debtor is:

     TESORO ALASKA PETROLEUM COMPANY
     8700 Tesoro Drive
     San Antonio, Texas  78217

2.   The name and address of Secured Party is:

     TEXAS COMMERCE BANK NATIONAL ASSOCIATION, as Agent
     712 Main Street
     Houston, Texas  77002

3.   This Financing Statement covers the following Collateral:

     All of Debtor's rights, titles and interests in and to the accounts,
     equipment, goods, fixtures, general intangibles, inventory and any and all
     other personal property of any kind or character described in and covered
     by the Deed of Trust, Security Agreement and Financing Statement from
     Debtor to the Trustee named therein and Secured Party, a copy of which
     instrument is attached hereto as Exhibit A and made a part hereof for all
     purposes, and the proceeds and products of such personal property.

4.   This Financing Statement covers goods which are or are to become fixtures
     to the real estate described in Exhibit A hereto.

                                        DEBTOR:
                                        
                                        TESORO ALASKA PETROLEUM COMPANY
                                        
                                        
                                        By: /s/ William T. VanKleef
                                           ------------------------
                                        Name: William T. VanKleef
                                        Title: Vice President and Treasurer

<PAGE>   1
                                                          Exhibit 10.5




                                PLEDGE AGREEMENT


                                       BY

                          TESORO PETROLEUM CORPORATION

                                  IN FAVOR OF

                   TEXAS COMMERCE BANK NATIONAL ASSOCIATION,
                                   AS AGENT,



                                 APRIL 20, 1994
<PAGE>   2
                                PLEDGE AGREEMENT

         THIS PLEDGE AGREEMENT is made as of April 20, 1994, by TESORO
PETROLEUM CORPORATION, a Delaware corporation, with principal offices at 8700
Tesoro Drive, San Antonio, Texas 78217 ("Pledgor"); in favor of TEXAS COMMERCE
BANK NATIONAL ASSOCIATION, a national banking association, with offices at 712
Main Street, Houston, Texas 77002, as Agent ("Secured Party") for itself, the
Issuing Banks and the Lenders parties to the Credit Agreement referred to
below.

                                    RECITALS

         A.      On even date herewith, the Pledgor, Texas Commerce Bank
National Association, individually, as Agent and as an Issuing Bank, Banque
Paribas, individually, as Co-Agent and as an Issuing Bank, and the other
financial institutions parties thereto entered into a Credit Agreement (as
amended from time to time, the "Credit Agreement").

         B.      The conditions precedent to the effectiveness of the Credit
Agreement and the obligations of the Lenders to make the initial Loans and the
Issuing Bank to issue Letters of Credit thereunder, include the execution and
delivery by Pledgor of this Security Agreement, and Debtor has agreed to enter
into this Security Agreement.

         C.      Therefore, in order to comply with the terms and conditions of
the Credit Agreement and for other good and valuable consideration, the receipt
and sufficiency of which are hereby acknowledged, Pledgor hereby agrees with
Secured Party as follows:


                                   ARTICLE I

                                  Definitions

         Section 1.01     Terms Defined Above or in the Credit Agreement.  As
used in this Security Agreement, the terms defined above shall have the
meanings respectively assigned to them.  Other capitalized terms which are
defined in the Credit Agreement, but which are not defined herein shall have
the same meanings as defined in the Credit Agreement.

         Section 1.02     Certain Definitions.  As used in this Security
Agreement, the following terms shall have the following meanings, unless the
context otherwise requires:

                 "Code" shall mean the Uniform Commercial Code as presently in
         effect in the State of Texas.  Unless otherwise indicated by the
         context herein, all uncapitalized terms which are defined in the Code
         shall have their respective meanings as used in Articles 8 and 9 of
         the Code.

                 "Collateral" shall mean the following types or items of
         property:

                 (a) The securities described or referred to in Exhibit A
         attached hereto and made a part hereof; and

                 (b) (i) all shares of, all securities convertible or
         exchangeable into, and all warrants, options or other rights to
         purchase shares of, stock of any of the Issuers; (ii) all certificates
         or instruments representing such additional shares, convertible or
         exchangeable securities, warrants, and other rights and all proceeds,
         income and profits thereon, and all interest, dividends and other
         payments, property and distributions with respect thereto; (iii) all
         proceeds received or receivable by the Pledgor in cash, stock or
         otherwise, from any sale of substantially all the assets 

<PAGE>   3
         of any Issuer; (iv) all proceeds received or receivable by the
         Pledgor, in cash, stock or otherwise, from any recapitalization,
         reclassification, merger, dissolution, liquidation or other
         termination of the existence   of any Issuer; (v) all other proceeds
         or assets received or receivable by the Pledgor in respect of its
         status as a shareholder of any Issuer; and (vi) any proceeds of any of
         the foregoing.  The inclusion of proceeds in this Agreement does not
         authorize the Pledgor to sell, dispose of or otherwise use the
         Collateral in any manner not specifically authorized hereby. 
         Contemporaneously with the execution and delivery hereof, the Pledgor
         is delivering to Secured Party in pledge hereunder the certificates
         and other instruments evidencing all Pledged Securities owned by the
         Pledgor as of the date hereof.

                 (c)      It is expressly contemplated that additional
         securities or other property may from time to time be pledged,
         assigned or granted to Secured Party as additional security for the
         Obligations, and the term "Collateral" as used herein shall be deemed
         for all purposes hereof to include all such additional securities and
         property, together with all other property of the types described
         above related thereto.

                 "Event of Default" shall mean any event specified in Section
         6.01.

                 "Issuer" shall mean those entities listed on Schedule 1.02
         hereto and any other direct Subsidiary of Pledgor whether now owned or
         hereafter acquired by Pledgor which is an issuer of Pledged Securities
         pursuant to this Security Agreement.

                 "Obligations" shall mean: (i) the Lender Indebtedness
         described in the Credit Agreement, including without limitation, the
         Letter of Credit Liabilities and the Notes, and any and all renewals,
         extensions for any period, rearrangements or enlargements thereof and
         any interest accrued thereon, whether prepetition or post-petition;
         (ii)  the performance of all obligations and agreements under the
         Financing Documents, including this Security Agreement; and (iii) all
         interest accrued and earned, charges, expenses, attorneys' or other
         fees and any other sums payable to or incurred by Secured Party, any
         Issuing Bank or any Lender in connection with the execution,
         administration or enforcement of their rights and remedies hereunder
         or any other Financing Document.

                 "Obligor" shall mean any Person, other than Pledgor, liable
         (whether directly or indirectly, primarily or secondarily) for the
         payment or performance of any of the Obligations whether as maker,
         co-maker, endorser, guarantor, accommodation party, general partner or
         otherwise.

                 "Pledged Securities" shall mean all of the securities and
         other property (whether or not the same constitutes a "security" under
         the Code) referred to in Section 1.02 and all additional securities
         (as that term is defined in the Code), if any, constituting Collateral
         under this Security Agreement.

                 "Security Agreement" shall mean this Pledge Agreement, as the
         same may from time to time be amended or supplemented.



                                  ARTICLE II

                               Security Interest




                                      -2-
<PAGE>   4
         Section 2.01     Pledge.  Pledgor hereby pledges, assigns and grants
to Secured Party, for its benefit and the benefit of the Lenders and the
Issuing Banks, a security interest in the Collateral to secure the prompt
payment and performance of the Obligations.  This security interest is granted
as security only and shall not subject Secured Party, any Issuing Bank or any
Lender to, or transfer or in any way affect or modify, any obligation or
liability of the Pledgor or any Obligor with respect to any of the Collateral,
the Obligations or any transaction in connection therewith.

         Section 2.02     Transfer of Collateral.  All certificates or
instruments representing or evidencing the Pledged Securities shall be
delivered to and held pursuant hereto by Secured Party or a Person designated
by Secured Party and shall be in suitable form for transfer by delivery, or
shall be accompanied by duly executed instruments of transfer or assignment in
blank, and accompanied by any required transfer tax stamps, or (in the case of
either certificated or uncertificated securities) Secured Party shall have been
provided with (i) evidence that entries have been made on the books of a
clearing corporation (as defined in Section 8-102 of the Code) to effect the
pledge of the Pledged Securities to Secured Party, as provided in, and in
accordance with, Section 8-320 of the Code, or (ii) evidence that a financial
intermediary has identified the Pledged Securities as having been pledged to
Secured Party, as provided in, and in accordance with, Section 8-313(1)(4) of
the Code, or (iii) evidence that the Pledged Securities have been otherwise
transferred to Secured Party in accordance with Section 8-313(1) of the Code,
all in form and substance satisfactory to Secured Party.  Notwithstanding the
preceding sentence, at Secured Party's discretion, all Pledged Securities must
be delivered or transferred in such manner as to permit Secured Party to be a
"bona fide purchaser" to the extent of its security interest as provided in
Sections 8-302(1) and 8-320(3) of the Code (if Secured Party otherwise
qualifies as a bona fide purchaser).  Upon the occurrence and continuance of an
Event of Default and after any notice and cure periods provided for in the
Credit Agreement, Secured Party shall have the right, at any time in its
discretion and without notice to Pledgor, to transfer to or to register in the
name of Secured Party or any of its nominees any or all of the Pledged
Securities, subject only to the revocable rights specified in Section 6.06.  In
addition, upon the occurrence and continuance of an Event of Default and after
any notice and cure periods provided for in the Credit Agreement, Secured Party
shall have the right at any time to exchange certificates or instruments
representing or evidencing Pledged Securities for certificates or instruments
of smaller or larger denominations.

                                  ARTICLE III

                         Representations and Warranties

         In order to induce Secured Party, the Issuing Banks and the Lenders to
accept this Security Agreement, Pledgor represents and warrants to Secured
Party, the Issuing Banks and the Lenders (which representations and warranties
will survive the creation and payment of the Obligations) that:

         Section 3.01     Ownership of Collateral; Encumbrances.  Pledgor is
the legal and beneficial owner of the Collateral free and clear of any adverse
claim, lien, security interest, option or other charge or encumbrance except
for the security interest created by this Security Agreement, and Pledgor has
full right, power and authority to pledge, assign and grant a security interest
in the Collateral to Secured Party.

         Section 3.02     No Required Consent.  No authorization, consent,
approval or other action by, and no notice to or registration, recordation or
filing with, any governmental authority or regulatory body is required for (i)
the due execution, delivery and performance by Pledgor of this Security
Agreement,





                                      -3-
<PAGE>   5
(ii) the grant by Pledgor of the security interest granted by this Security
Agreement, (iii) the perfection of such security interest or (iv) the exercise
by Secured Party of its rights and remedies under this Security Agreement.
Neither the Pledgor nor any of its Subsidiaries has performed or will perform
any acts which might prevent Secured Party from enforcing any of the terms and
conditions of this Security Agreement or which would limit Secured Party in any
such enforcement.

         Section 3.03     Pledged Securities.  The Pledged Securities have been
duly authorized and validly issued, are fully paid and non-assessable and
constitute 100% of the issued and outstanding shares of capital stock of the
Issuer thereof.

         Section 3.04     First Priority Security Interest.  The pledge of
Pledged Securities pursuant to this Security Agreement creates a valid and
perfected first priority security interest in the Collateral, enforceable
against Pledgor and all third parties and securing payment of the Obligations.


                                   ARTICLE IV

                            Covenants and Agreements

         Pledgor will at all times comply with the covenants and agreements
contained in this Article IV, from the date hereof and for so long as any part
of the Obligations are outstanding.

         Section 4.01     Sale, Disposition or Encumbrance of Collateral.
Pledgor will not in any way encumber any of the Collateral (or permit or suffer
any of the Collateral to be encumbered) or sell, pledge, assign, lend or
otherwise dispose of or transfer any of the Collateral to or in favor of any
Person other than Secured Party.  The Pledgor is not and will not become a
party to or otherwise be bound by any agreement, other than this Agreement,
which restricts in any manner the rights of any present or future holder of any
of the Pledged Securities with respect thereto.

         Section 4.02     Dividends or Distributions.  So long as no Event of
Default shall have occurred and be continuing, Pledgor shall be entitled to
receive and retain any and all dividends and interest paid in respect of the
Collateral, provided, however, that any and all:

                 (a)      dividends and interest paid or payable other than in
         cash in respect of, and instruments and other property received,
         receivable or otherwise distributed in respect of, or in exchange for
         (including, without limitation, any certificate or share purchased or
         exchanged in connection with a tender offer or merger agreement), any
         Collateral,

                 (b)      dividends and other distributions paid or payable in
         cash in respect of any Collateral in connection with a partial or
         total liquidation or dissolution or in connection with a reduction of
         capital, capital surplus or paid-in surplus, or reclassification, and

                 (c)      cash paid, payable or otherwise distributed in
         respect of principal of, or in redemption of, or in exchange for, any
         Collateral,

         shall be, and shall be forthwith delivered to Secured Party to hold
         as, Collateral and shall, if received by Pledgor, be received in trust
         for the benefit of Secured Party, be segregated from the other
         property or funds of Pledgor, and be forthwith delivered to Secured
         Party as Collateral in the same form as so received (with any
         necessary indorsement).





                                      -4-
<PAGE>   6
         Section 4.03     Records and Information.  Pledgor shall keep accurate
and complete records of the Collateral (including proceeds, payments,
distributions, income and profits).  Upon reasonable notice and without undue
interference with the Pledgor's business, Secured Party may at any time during
normal business hours have access to, examine, audit, make extracts from and
inspect without hindrance or delay Pledgor's records, files and the Collateral.

         Section 4.04     Further Assurances.  Upon the request of Secured
Party, Pledgor shall (at Pledgor's expense) execute and deliver all such
assignments, certificates, instruments, securities, financing statements,
notifications to financial intermediaries, clearing corporations, Issuers of
securities or other third parties or other documents and give further
assurances and do all other acts and things as Secured Party may reasonably
request to perfect Secured Party's interest in the Collateral or which is
necessary to protect, enforce or otherwise effect Secured Party's rights and
remedies hereunder.

         Section 4.05     Stock Powers.  Pledgor shall furnish to Secured Party
such stock powers and other instruments as may be required by Secured Party to
assure the transferability of the Collateral when and as often as may be
requested by Secured Party.

         Section 4.06     Rights to Sell.

                 (a)      If Secured Party shall determine to exercise its
         rights to sell all or any of the Collateral pursuant to its rights
         hereunder, Pledgor agrees that, upon request of Secured Party, Pledgor
         will, at its own expense:

                          (i)     use its best efforts to qualify the
                 Collateral under the state securities or "Blue Sky" laws and
                 to obtain all necessary governmental approvals for the sale of
                 the Collateral, as requested by Secured Party; and

                          (ii)    use its best efforts to do or cause to be
                 done all such others acts and things as may be necessary to
                 make such sale of the Collateral or any part thereof valid and
                 binding and in compliance with applicable law.

                 (b)      Pledgor further acknowledges the impossibility of
         ascertaining the amount of damages which would be suffered by Secured
         Party, the Issuing Banks and the Lenders by reason of the failure by
         Pledgor to perform any of the covenants contained in this Section 4.06
         and consequently agrees that if Pledgor shall fail to perform any of
         such covenants, it shall pay, as liquidated damages, and not as
         penalty, an amount equal to the value of the Collateral on the date
         the Secured Party shall demand compliance with this Section 4.06.

         Section 4.07     Voting and Other Consensual Rights.  Except to the
extent otherwise provided in subsection 6.06(d), Pledgor shall be entitled to
exercise any and all voting and other consensual rights pertaining to the
Collateral or any part thereof for any purpose not inconsistent with the terms
of this Security Agreement; provided however, that Pledgor shall not exercise
or refrain from exercising any such right if such action would have a material
adverse effect on the value of the Collateral or any part thereof, and,
provided, further, that upon request of Secured Party at any time or from time
to time, Pledgor shall give Secured Party prompt written notice of the manner
in which Pledgor has exercised, or the reasons for refraining from exercising,
any such right.

         Section 4.08     Pledged Securities Percentage.  The Pledged
Securities will at all times constitute at least 100% of the issued and
outstanding shares of capital stock of the Issuer thereof.  Pledgor will not,





                                      -5-
<PAGE>   7
to the extent it may legally do so, (a) permit any Issuer to issue any
additional or substitute shares of stock of any class, or (b) amend any
Issuer's charter or by-laws or other constitutional documents in any way which
would reasonably be expected to materially and adversely affect the rights of
Secured Party, the Issuing Banks or the Lenders, without the prior written
consent of the Majority Lenders.

                                   ARTICLE V

                  Rights, Duties, and Powers of Secured Party

         The following rights, duties and powers of Secured Party are
applicable irrespective of whether an Event of Default occurs and is
continuing:

         Section 5.01     Discharge Encumbrances.  Secured Party may, at its
option, after giving Pledgor three (3) days prior notice, discharge any taxes,
liens, security interests or other encumbrances at any time levied or placed on
the Collateral.  Pledgor agrees to reimburse Secured Party within 30 days of
demand for any payment so made, plus interest on the portion thereof from time
to time remaining unpaid from the date of Secured Party's demand at the rate
for overdue principal and interest set forth in Section 2.06(c) of the Credit
Agreement.

         Section 5.02     Transfer of Collateral.  Secured Party may, at its
option, after giving Pledgor three (3) days prior notice, transfer any or all
of the Obligations, and upon any such transfer Secured Party may transfer its
interest in any or all of the Collateral and shall be fully discharged
thereafter from all liability therefor.  Any transferee of the Collateral shall
be vested with all rights, powers and remedies of Secured Party hereunder.

         Section 5.03     Cumulative and Other Rights.  The rights, powers and
remedies of Secured Party hereunder are in addition to all rights, powers and
remedies given by law or in equity.  The exercise by Secured Party of any one
or more of the rights, powers and remedies herein shall not be construed as a
waiver of any other rights, powers and remedies, including, without limitation,
any other rights of set-off.  If any of the Obligations are given in renewal,
extension for any period or rearrangement, or applied toward the payment of
debt secured by any lien, Secured Party shall be, and is hereby, subrogated to
all the rights, titles, interests and liens securing the debt so renewed,
extended, rearranged or paid.

         Section 5.04     Disclaimer of Certain Duties.

                 (a)      The powers conferred upon Secured Party by this
         Agreement are to protect its interest in the Collateral and shall not
         impose any duty upon Secured Party, any Issuing Bank or any Lender to
         exercise any such powers.  Pledgor hereby agrees that Secured Party
         shall not be liable for, nor shall the indebtedness evidenced by the
         Obligations be diminished by, Secured Party's delay or failure to
         collect upon, foreclose, sell, take possession of or otherwise obtain
         value for the Collateral.

                 (b)      To the fullest extent permitted by applicable law,
         Secured Party shall be under no duty whatsoever (except as may be
         required under the Credit Agreement) to make or give any presentment,
         notice of dishonor, protest, demand for performance, notice of
         non-performance, notice of intent to accelerate, notice of
         acceleration, or other notice or demand in connection with any
         Collateral or the Obligations, or to take any steps necessary to
         preserve any rights against any Obligor or other Person.  Pledgor
         waives any right of marshaling in respect of any and all





                                      -6-
<PAGE>   8
         Collateral, and waives any right to require Secured Party, any Issuing
         Bank or any Lender to proceed against any Obligor or other Person,
         exhaust any Collateral or enforce any other remedy which Secured
         Party, any Issuing Bank or any Lender now has or may hereafter have
         against any Obligor or other Person.

         Section 5.05     Modification of Obligations; Other Security.  Pledgor
waives (i) any and all notice of acceptance, creation, modification,
rearrangement, renewal or extension for any period of any instrument executed
by any Obligor in connection with the Obligations and (ii) to the fullest
extent permitted by applicable law, any defense of any Obligor by reason of
disability, lack of authorization, cessation of the liability of any Obligor or
for any other reason.  Pledgor authorizes Secured Party, without notice or
demand and without any reservation of rights against Pledgor and without
affecting Pledgor's liability hereunder or on the Obligations, from time to
time to (x) take and hold other property, other than the Collateral, as
security for the Obligations, and exchange, enforce, waive and release any or
all of the Collateral, (y) apply the Collateral in the manner permitted by this
Security Agreement and (z) renew, extend for any period, accelerate, amend or
modify, supplement, enforce, compromise, settle, waive or release the
obligations of any Obligor or any instrument or agreement of such other Person
with respect to any or all of the Obligations or Collateral.

         Section 5.06     Custody and Preservation of the Collateral.  Secured
Party shall be deemed to have exercised reasonable care in the custody and
preservation of the Collateral in its possession if the Collateral is accorded
treatment substantially equal to that which comparable secured parties accord
comparable collateral, it being understood and agreed, however, that neither
Secured Party, any Issuing Bank nor any Lender shall have responsibility for
(i) ascertaining or taking action with respect to calls, conversions,
exchanges, maturities, tenders or other matters relative to any Collateral,
whether or not Secured Party has or is deemed to have knowledge of such
matters, or (ii) taking any necessary steps to preserve rights against Persons
or entities with respect to any Collateral.

                                   ARTICLE VI

                               Events of Default

         Section 6.01     Events.  It shall constitute an Event of Default
under this Security Agreement if an Event of Default occurs and is continuing
under the Credit Agreement.

         Section 6.02     Remedies.  Upon the occurrence and during the
continuance of any Event of Default, Secured Party may take any or all of the
following actions without notice (except where expressly required below or in
the Credit Agreement) or demand to Pledgor:

                 (a)      Declare all or part of the indebtedness pursuant to
         the Obligations immediately due and payable and enforce payment of the
         same by Pledgor or any Obligor.

                 (b)      Sell, in one or more sales and in one or more
         parcels, or otherwise dispose of any or all of the Collateral in any
         commercially reasonable manner as Secured Party may elect, in a public
         or private transaction, at any location as deemed reasonable by
         Secured Party either for cash or credit or for future delivery at such
         price as Secured Party may deem fair, and (unless prohibited by the
         Code, as adopted in any applicable jurisdiction) Secured Party, any
         Issuing Bank or any Lender may be the purchaser of any or all
         Collateral so sold and may apply upon the purchase price therefor any
         Obligations secured hereby.  Any such sale or transfer by Secured





                                      -7-
<PAGE>   9
         Party either to itself or to any other Person shall be absolutely free
         from any claim of right by Pledgor, including any equity or right of
         redemption, stay or appraisal which Pledgor has or may have under any
         rule of law, regulation or statute now existing or hereafter adopted.
         Upon any such sale or transfer, Secured Party shall have the right to
         deliver, assign and transfer to the purchaser or transferee thereof
         the Collateral so sold or transferred.  If Secured Party deems it
         advisable to do so, it may restrict the bidders or purchasers of any
         such sale or transfer to Persons or entities who will represent and
         agree that they are purchasing the Collateral for their own account
         and not with the view to the distribution or resale of any of the
         Collateral.  Secured Party may, at its discretion, provide for a
         public sale, and any such public sale shall be held at such time or
         times within ordinary business hours and at such place or places as
         Secured Party may fix in the notice of such sale.  Secured Party shall
         not be obligated to make any sale pursuant to any such notice.
         Secured Party may, without notice or publication, adjourn any public
         or private sale by announcement at any time and place fixed for such
         sale, and such sale may be made at any time or place to which the same
         may be so adjourned.  In the event any sale or transfer hereunder is
         not completed or is defective in the opinion of Secured Party, such
         sale or transfer shall not exhaust the rights of Secured Party
         hereunder, and Secured Party shall have the right to cause one or more
         subsequent sales or transfers to be made hereunder.  If only part of
         the Collateral is sold or transferred such that the Obligations remain
         outstanding (in whole or in part), Secured Party's rights and remedies
         hereunder shall not be exhausted, waived or modified, and Secured
         Party is specifically empowered to make one or more successive sales
         or transfers until all the Collateral shall be sold or transferred and
         all the Obligations are paid.  In the event that Secured Party elects
         not to sell the Collateral, Secured Party retains its rights to
         dispose of or utilize the Collateral or any part or parts thereof in
         any manner authorized or permitted by law or in equity, and to apply
         the proceeds of the same towards payment of the Obligations.  Each and
         every method of disposition of the Collateral described in this
         subsection or in subsection (d) shall constitute disposition in a
         commercially reasonable manner.

                 (c)      Apply proceeds of the disposition of the Collateral
         to the Obligations in any manner elected by Secured Party and
         permitted by the Code or otherwise permitted by law or in equity.
         Such application may include, without limitation, the reasonable
         attorneys' fees and legal expenses incurred by Secured Party, the
         Issuing Banks and the Lenders.

                 (d)      Appoint any Person as agent to perform any act or
         acts necessary or incident to any sale or transfer by Secured Party of
         the Collateral.

                 (e)      Execute, assign and endorse negotiable and other
         instruments for the payment of money, documents of title or other
         evidences of payment, shipment or storage for any form of Collateral
         on behalf of and in the name of Pledgor.

         Section 6.03     Attorney-in-Fact.  Pledgor hereby irrevocably
appoints Secured Party as Pledgor's attorney-in-fact, with full authority in
the place and stead of Pledgor and in the name of Pledgor or otherwise, from
time to time in Secured Party's reasonable discretion upon the occurrence and
during the continuance of an Event of Default and after any applicable notice
and cure period provided for in the Credit Agreement, but at Pledgor's cost and
expense, to take any action and to execute any assignment, certificate,
financing statement, stock power, notification, document or instrument which
Secured Party may deem necessary or advisable to accomplish the purposes of
this Security Agreement, including, without limitation, to receive, endorse and
collect all instruments made payable to Pledgor representing any dividend,
interest payment or other distribution in respect of the Collateral or any part
thereof and to give full discharge for the same.





                                      -8-
<PAGE>   10
         Section 6.04     Liability for Deficiency.  If any sale or other
disposition of Collateral by Secured Party or any other action of Secured
Party, any Issuing Bank or any Lender hereunder results in reduction of the
Obligations, such action will not release Pledgor from its liability to Secured
Party, the Issuing Banks and the Lenders for any unpaid Obligations, including
reasonable costs, charges and expenses incurred in the liquidation of
Collateral, together with interest thereon, and the same shall be immediately
due and payable to Secured Party at Secured Party's address set forth in the
opening paragraph hereof.

         Section 6.05     Reasonable Notice.  If any applicable provision of
any law requires Secured Party, any Issuing Bank or any Lender to give
reasonable notice of any sale or disposition or other action, Pledgor hereby
agrees that fifteen (15) days' prior written notice shall constitute reasonable
notice thereof.  Such notice, in the case of public sale, shall state the time
and place fixed for such sale and, in the case of private sale, the time after
which such sale is to be made.

         Section 6.06     Pledged Securities.  Upon the occurrence and during
the continuance of an Event of Default and after any applicable notice and cure
period provided for in the Credit Agreement:

                 (a)      All rights of Pledgor to receive the dividends and
         interest payments which it would otherwise be authorized to receive
         and retain pursuant to Section 4.02 shall cease, and all such rights
         shall thereupon become vested in Secured Party who shall thereupon
         have the sole right to receive and hold as Collateral such dividends
         and interest payments, but Secured Party shall have no duty to receive
         and hold such dividends and interest payments and shall not be
         responsible for any failure to do so or delay in so doing.

                 (b)      All dividends and interest payments which are
         received by Pledgor contrary to the provisions of this Section 6.06
         shall be received in trust for the benefit of Secured Party, shall be
         segregated from other funds of Pledgor and shall be forthwith paid
         over to Secured Party as Collateral in the same form as so received
         (with any necessary indorsement).

                 (c)      Secured Party may exercise any and all rights of
         conversion, exchange, subscription or any other rights, privileges or
         options pertaining to any of the Pledged Securities as if it were the
         absolute owner thereof, including without limitation, the right to
         exchange at its discretion, any and all of the Pledged Securities upon
         the merger, consolidation, reorganization, recapitalization or other
         readjustment of any Issuer of such Pledged Securities or upon the
         exercise by any such Issuer or Secured Party of any right, privilege
         or option pertaining to any of the Pledged Securities, and in
         connection therewith, to deposit and deliver any and all of the
         Pledged Securities with any committee, depository, transfer agent,
         registrar or other designated agency upon such terms and conditions as
         it may determine, all without liability except to account for property
         actually received by it, but Secured Party shall have no duty to
         exercise any of the aforesaid rights, privileges or options and shall
         not be responsible for any failure to do so or delay in so doing.

                 (d)      All rights of Pledgor to exercise the voting and
         other consensual rights which Pledgor would otherwise be entitled to
         exercise pursuant to Section 4.07 with respect to the Pledged
         Securities issued by such Issuer shall cease, and all such rights
         shall thereupon become vested in Secured Party who shall thereupon
         have the sole right to exercise such voting and other consensual
         rights, but Secured Party shall have no duty to exercise any such
         voting or other consensual rights and shall not be responsible for any
         failure to do so or delay in so doing.





                                      -9-
<PAGE>   11
         Section 6.07     Non-judicial Enforcement.  Secured Party may enforce
its rights hereunder without prior judicial process or judicial hearing, and to
the extent permitted by law Pledgor expressly waives any and all legal rights
which might otherwise require Secured Party to enforce its rights by judicial
process.

                                  ARTICLE VII

                                 Miscellaneous

         Section 7.01     Notices.  Any notice required or permitted to be
given under or in connection with this Security Agreement shall be given in
accordance with the notice provisions of the Credit Agreement.

         Section 7.02     Amendments and Waivers.  Secured Party's, any Issuing
Bank's or any Lender's acceptance of partial or delinquent payments or any
forbearance, failure or delay by Secured Party in exercising any right, power
or remedy hereunder shall not be deemed a waiver of any obligation of Pledgor
or any Obligor, or of any right, power or remedy of Secured Party; and no
partial exercise of any right, power or remedy shall preclude any other or
further exercise thereof.  Secured Party may remedy any Event of Default
hereunder or in connection with the Obligations without waiving the Event of
Default so remedied.  Pledgor hereby agrees that if Secured Party agrees to a
waiver of any provision hereunder, or an exchange of or release of the
Collateral, or the addition or release of any Obligor or other Person, any such
action shall not constitute a waiver of any of Secured Party's other rights or
of Pledgor's obligations hereunder.  This Security Agreement may be amended
only by an instrument in writing in the manner set forth in the Credit
Agreement and may be supplemented only by documents delivered or to be
delivered in accordance with the express terms hereof.

         Section 7.03     Copy as Financing Statement.  A photocopy or other
reproduction of this Security Agreement may be delivered by Pledgor or Secured
Party to any financial intermediary or other third party for the purpose of
transferring or perfecting any or all of the Pledged Securities to Secured
Party or its designee or assignee.

         Section 7.04     Possession of Collateral.  Secured Party shall be
deemed to have possession of any Collateral in transit to it or set apart for
it (or, in either case, any of its agents, affiliates or correspondents).

         Section 7.05     Redelivery of Collateral.  If any sale or transfer of
Collateral by Secured Party results in full satisfaction of the Obligations,
and after such sale or transfer and discharge there remains a surplus of
proceeds, Secured Party will deliver to Pledgor or such other Person as may be
required by a court of competent jurisdiction such excess proceeds in a
commercially reasonable time; provided, however, that neither Secured Party,
any Issuing Bank nor any Lender shall have any liability for any interest, cost
or expense in connection with any reasonable delay in delivering such proceeds
to Pledgor.

         Section 7.06     Governing Law; Jurisdiction.  This Security Agreement
and the security interest granted hereby shall be construed in accordance with
and governed by the laws of the State of Texas (except to the extent that the
laws of any other jurisdiction govern the perfection and priority of the
security interests granted hereby).

         Section 7.07     Continuing Security Agreement.





                                      -10-
<PAGE>   12
                 (a)      Except as may be expressly applicable pursuant to
         Section 9-505 of the Code, no action taken or omission to act by
         Secured Party, the Issuing Banks or the Lenders hereunder, including,
         without limitation, any exercise of voting or consensual rights
         pursuant to Section 4.07 or any other action taken or inaction
         pursuant to Section 6.02, shall be deemed to constitute a retention of
         the Collateral in satisfaction of the Obligations or otherwise to be
         in full satisfaction of the Obligations, and the Obligations shall
         remain in full force and effect, until Secured Party, the Issuing
         Banks and the Lenders shall have applied payments (including, without
         limitation, collections from Collateral) towards the Obligations in
         the full amount then outstanding or until such subsequent time as is
         hereinafter provided in subsection (b) below.

                 (b)      To the extent that any payments on the Obligations or
         proceeds of the Collateral are subsequently invalidated, declared to
         be fraudulent or preferential, set aside or required to be repaid to a
         trustee, debtor in possession, receiver or other Person under any
         bankruptcy law, common law or equitable cause, then to such extent the
         Obligations so satisfied shall be revived and continue as if such
         payment or proceeds had not been received by Secured Party, the
         Issuing Banks or the Lenders, and Secured Party's, the Issuing Banks'
         and the Lenders' security interests, rights, powers and remedies
         hereunder shall continue in full force and effect.  In such event,
         this Security Agreement shall be automatically reinstated if it shall
         theretofore have been terminated pursuant to Section 7.08.

         Section 7.08     Termination.  The grant of a security interest
hereunder and all of Secured Party's, the Issuing Banks' and the Lenders'
rights, powers and remedies in connection therewith shall remain in full force
and effect until the complete payment of the Obligations and the compliance by
Pledgor with all covenants and agreements hereof and the termination of the
Credit Agreement, at which time Secured Party, at the written request and
expense of Pledgor, will release, reassign and transfer the Collateral to
Pledgor and declare this Security Agreement to be of no further force or
effect.  Notwithstanding the foregoing, the provisions of subsection 7.07(b)
shall survive the termination of this Security Agreement.

         Section 7.09     Counterparts, Effectiveness.  This Security Agreement
may be executed in two or more counterparts.  Each counterpart is deemed an
original, but all such counterparts taken together constitute one and the same
instrument.  This Security Agreement becomes effective upon the execution
hereof by Pledgor and delivery of the same to Secured Party, and it is not
necessary for Secured Party, any Issuing Bank or any Lender to execute any
acceptance hereof or otherwise signify or express its acceptance hereof.


PLEDGOR:                                 TESORO PETROLEUM CORPORATION


                                         By: /s/ William T. VanKleef
                                             -----------------------
                                         Name: William T. VanKleef
                                         Title: Vice President, Treasurer



SECURED PARTY:                           TEXAS COMMERCE BANK NATIONAL
                                         ASSOCIATION, AS AGENT





                                      -11-
<PAGE>   13
                                                   By: /s/ P. Stan Burge
                                                       --------------------
                                                   Name: P. Stan Burge
                                                   Title: Vice President





                                      -12-
<PAGE>   14
                                 SCHEDULE 1.02

                                    ISSUERS


Tesoro Alaska Petroleum Company, a Delaware corporation

Tesoro Refining, Marketing & Supply Company, a Delaware corporation

Tesoro Alaska Pipeline Company, a Delaware corporation





                                      -13-
<PAGE>   15
                                   EXHIBIT A

                               PLEDGED SECURITIES


1.        10 shares of the common stock of Tesoro - Alaskan Petroleum
          Corporation (now known as Tesoro Alaska Petroleum Company), a
          Delaware corporation ("TAPC"), registered in the name of Tesoro
          Petroleum Corporation ("Pledgor") on the books of TAPC, as
          represented by Certificate No. 1.

2.        1,000 shares of the common stock Nikiski Alaska Pipeline Company (now
          known as Tesoro Alaska Pipeline Corporation), a Delaware corporation
          ("Alaska Pipeline"), registered in the name of Pledgor on the books
          of Alaska Pipeline as represented by Certificate No. 2.

3.        1,000 shares of the common stock of Tesoro Refining, Marketing &
          Supply Company, a Delaware corporation ("TRMSC"), registered in the
          name of Pledgor on the books of TRMSC, as represented by Certificate
          No. 1.





                                      -14-

<PAGE>   1
                                                                   EXHIBIT 10.6

                               SECURITY AGREEMENT

                            (Accounts and Inventory)



                                    Between

                          TESORO PETROLEUM CORPORATION

                                      and

                   TEXAS COMMERCE BANK NATIONAL ASSOCIATION,
                                    AS AGENT



                                 April 20, 1994
<PAGE>   2
                               SECURITY AGREEMENT

                             ACCOUNTS AND INVENTORY

         THIS SECURITY AGREEMENT is made as of April 20, 1994, between TESORO
PETROLEUM CORPORATION, a Delaware corporation ("Debtor"), and TEXAS COMMERCE
BANK NATIONAL ASSOCIATION, a national banking association, as Agent ("Secured
Party"), for itself, the Issuing Banks and the Lenders.

                                    RECITALS

         A.      On even date herewith, the Debtor, Texas Commerce Bank
National Association, individually, as Agent and as an Issuing Bank, Banque
Paribas, individually, as Co-Agent and as an Issuing Bank, and the other
financial institutions parties thereto entered into a Credit Agreement (as
amended from time to time, the "Credit Agreement").

         B.      The conditions precedent to the effectiveness of the Credit
Agreement and the obligations of the Lenders to make the initial Loans and the
Issuing Banks to issue Letters of Credit thereunder, include the execution and
delivery by Debtor of this Security Agreement, and Debtor has agreed to enter
into this Security Agreement.

         C.      Therefore, (i) in order to comply with the terms and
conditions of the Credit Agreement, (ii) to induce the Lenders at any time from
time to time to loan monies and the Issuing Banks to issue Letters of Credit,
with or without security to or for the account of Debtor in accordance with the
terms of the Credit Agreement, (iii) at the special insistence and request of
the Agent, the Issuing Banks and the Lenders, and (iv) for other good and
valuable consideration, the receipt and sufficiency of which are hereby
acknowledged, Debtor hereby agrees with Secured Party as follows:


                                   ARTICLE I

                                  DEFINITIONS

         Section 1.01     Terms Defined Above.  As used in this Security
Agreement, the terms "Credit Agreement," "Debtor" and "Secured Party" shall
have the meanings respectively assigned to them.

         Section 1.02     Certain Definitions.  As used in this Security
Agreement, the following terms shall have the following meanings, unless the
context otherwise requires:

                 "Accounts" shall mean all accounts (as such term is defined in
         the Code).

                 "Account Debtor" shall mean any Person liable (whether
         directly or indirectly, primarily or secondarily) for the payment or
         performance of any obligations included in the Collateral, whether as
         an account debtor (as defined in the Code), obligor on an instrument,
         issuer of documents or securities, guarantor or otherwise.

                 "Code" shall mean the Uniform Commercial Code as presently in
         effect in the State of Texas, Texas Business and Commerce Code,
         Chapters 1 through 9.

                 "Collateral" shall mean the following types or items of
         Property (including Property hereafter acquired by Debtor as well as
         Property which Debtor now owns or in which Debtor has rights):
<PAGE>   3
                 (a)      all of Debtor's Accounts and Inventory;

                 (b)      (i) any Property from time to time delivered to or
         deposited with Secured Party by or for the account of Debtor which is
         related to any Property referred to in clause (a) of this definition;
         and (ii) all certificates of title or other documents evidencing
         ownership or possession of or otherwise relating to any Property
         referred to in clause (a) of this definition;

                 (c)      (i) all goods which were at any time included in the
         Collateral described in clause (a) of this definition and which are
         returned to or for the account of Debtor following their sale, lease
         or other disposition; (ii) all policies of insurance (whether or not
         required by Secured Party) covering any Property referred to in this
         definition; and (iii) all proceeds, products, replacements, additions
         to, substitutions for, accessions of, and Property necessary for the
         operation of any of the Property referred to in this definition,
         including, without limitation, insurance payable as a result of loss
         or damage to any of the Property referred to in this definition,
         refunds of unearned premiums of any such insurance policy and claims
         against third parties;

                 (d)      all books and records related to any of the Property
         referred to in this definition, including, without limitation, any and
         all books of account, customer lists and other records relating in any
         way to the Collateral described in this definition;

                 (e)      all of Debtor's general intangibles (as defined in
         the Code) which are related (but only those related) to any Property
         referred to in this definition, including, without limitation, all (i)
         letters of credit, bonds, guaranties, purchase or sales agreements and
         other contractual rights, rights to performance, and claims for
         damages, refunds (including tax refunds) or other monies due or to
         become due; (ii) orders, franchises, permits, certificates, licenses,
         consents, exemptions, variances, authorizations or other approvals by
         any Governmental Authority; (iii) business records, computer tapes and
         computer software; and (iv) other intangible personal property,
         whether similar or dissimilar to the Property referred to in clause
         (a) of this definition; and

                 (f)      all of Debtor's chattel paper, documents and
         instruments (as such terms are defined in the Code) related to or
         arising out of any Property referred to in clause (a) of this
         definition.

                 It is expressly contemplated that additional Property may from
         time to time be pledged, assigned or granted to Secured Party as
         additional security for the Obligations, and, if so, then the term
         "Collateral" as used herein shall be deemed for all purposes hereof to
         include all such additional Property, together with all other Property
         of the types described above related thereto.  It is expressly agreed
         that Collateral shall not include and shall be exclusive of any
         equipment.

                 "Event of Default" shall have the meaning assigned such term
         in Section 6.01 of this Security Agreement.

                 "Inventory" shall mean all inventory (as defined in the Code).

                 "Obligations" shall mean: (i) the Lender Indebtedness
         described in the Credit Agreement, including without limitation, the
         Letter of Credit Liabilities and the Notes, and any and all renewals,
         extensions for any period, rearrangements or enlargements thereof and
         any interest accrued thereon, whether prepetition or post-petition;
         (ii)  the performance of all obligations and





                                      -2-
<PAGE>   4
         agreements under the Financing Documents, including this Security
         Agreement; and (iii) all accrued and earned interest, charges,
         expenses, attorneys' or other fees and any other sums payable to or
         incurred by Secured Party, any Issuing Bank or any Lender in
         connection with the execution, administration or enforcement of their
         rights and remedies hereunder or any other Financing Document.  The
         Obligations are Senior Debt as such term is defined in that certain
         Subordination Agreement dated December 15, 1992 among the Debtor,
         Tesoro Alaska Petroleum Company and the State of Alaska attached to
         the Settlement Agreement among the Debtor, Tesoro Alaska Petroleum
         Company and the State of Alaska.

                 "Obligor" shall mean any Person, other than Debtor, liable
         (whether directly or indirectly, primarily or secondarily) for the
         payment or performance of any of the Obligations whether as maker,
         co-maker, endorser, guarantor, accommodation party, general partner or
         otherwise; and the term "Obligor" shall specifically include each
         Guarantor named in the Credit Agreement.

                 "Property" shall mean any interest in any kind of property or
         asset, whether real, personal or mixed, or tangible or intangible.

                 "Security Agreement" shall mean this Security Agreement, as
         the same may be amended, modified or supplemented from time to time.

                 Section 1.03     Other Defined Terms.  Unless otherwise
defined herein, all terms beginning with a capital letter which are defined in
the Credit Agreement shall have the meanings assigned therein, unless the
context hereof requires otherwise.  All uncapitalized terms which are defined
in the Code shall have their respective meanings as used in the Code, unless
the context hereof requires otherwise.


                                   ARTICLE II

                               SECURITY INTEREST

         Section 2.01     Grant of Security Interest.  Debtor hereby assigns
and grants to Secured Party, for its benefit and the benefit of the Lenders and
the Issuing Banks, a security interest in, lien upon and right of set-off
against the Collateral to secure the prompt payment and performance of the
Obligations.

                                  ARTICLE III

                         REPRESENTATIONS AND WARRANTIES

         Debtor represents and warrants to Secured Party, the Issuing Banks and
the Lenders (which representations and warranties will survive the creation and
payment of the Obligations) that:

         Section 3.01     First Priority Security Interest.  The grant of the
security interest in the Collateral pursuant to this Security Agreement creates
a valid and perfected first priority security interest in the Collateral,
enforceable against Debtor and all third parties and securing payment of the
Obligations.





                                      -3-
<PAGE>   5
         Section 3.02     No Filings By Third Parties.  No financing statement
or other public notice or recording covering the Collateral is on file in any
public office (other than any financing statement or other public notice or
recording naming Secured Party as the secured party therein), and Debtor will
not execute any such financing statement or other public notice or recording so
long as any of the Obligations are outstanding.

         Section 3.03     No Name Changes.  Debtor has not, during the
preceding five years, entered into any contract, agreement, security instrument
or other document using a name other than, or been known by or otherwise used
any name other than, the name used by Debtor herein.

         Section 3.04     Location of Debtor and Collateral.  Debtor's chief
executive office and Debtor's records concerning the Collateral are located at
the address or location set forth on the signature page hereof.  The Collateral
is located at such address or at the location(s), if any, specified in Exhibit
A hereto.  Any Collateral not at such location(s) nevertheless remains subject
to Secured Party's security interest.

         Section 3.05     Collateral.  All statements or other information
provided by Debtor to Secured Party, any Issuing Bank or any Lender with
respect to the Collateral is or (in the case of subsequently furnished
information) will be when provided correct and complete in all material
respects.  The delivery at any time by Debtor to Secured Party of additional
Collateral or of additional descriptions of Collateral shall constitute a
representation and warranty by Debtor to Secured Party hereunder that the
representations and warranties of this Article III are correct insofar as they
would pertain to such Collateral or the descriptions thereof.

         Section 3.06     Accounts.

         (a)     Each Account represents the genuine, valid and legally
enforceable indebtedness of an Account Debtor arising from the sale, lease or
rendition by Debtor of goods or services and is not and will not be subject to
contra accounts, set-offs, defenses, counterclaims, allowances or adjustments
(other than discounts for prompt payment shown on the invoice), or objections
or complaints by the Account Debtor concerning its liability on the Account;
and any goods, the sale of which gave rise to an Account, have not been
returned or rejected by the Account Debtor or lost or damaged prior to receipt
by the Account Debtor.

         (b)     The amount shown as to each Account on Debtor's books is or
will be the true and undisputed amount owing and unpaid thereon.  Except as
disclosed in writing to Secured Party, each Account arose or shall have arisen
in the ordinary course of Debtor's business; provided, however, that any
Accounts which arose or hereafter arise outside the ordinary course of Debtor's
business shall nevertheless be included as part of the Collateral.  Debtor has
no knowledge of any bankruptcy, insolvency or other action affecting creditors'
rights with respect to any Account Debtor.

         (c)     Except as disclosed in writing to Secured Party, each invoice
or agreement evidencing the Accounts is or will be due and payable not more
than 90 days from the date thereof; provided, however, that any Accounts not so
due and payable shall nevertheless be included as part of the Collateral.

         Section 3.07     Delivery of Documents or Letters of Credit.  With
respect to any Inventory or other Collateral covered by one or more
certificates of title or other documents evidencing ownership or possession
thereof, and with respect to any Accounts or other Collateral supported by
letters of credit,





                                      -4-
<PAGE>   6
each of such certificates, documents or letters of credit has been delivered to
Secured Party (provided, however, that all certificates, documents and letters
of credit referred to in Section 1.02 shall be subject to the security interest
created by this Security Agreement irrespective of whether or not such delivery
shall have been made).


                                   ARTICLE IV

                            COVENANTS AND AGREEMENTS

         Debtor covenants and agrees that so long as any part of the
Obligations are outstanding:

         Section 4.01     Change in Location of Collateral or Debtor.  Debtor
will give Secured Party 30 days' prior written notice of (i) any change in
location of the Collateral to a jurisdiction other than Texas, Alaska,
California, Oregon or Washington and which would cause the Secured Party to be
unperfected in the Collateral, (ii) the opening or closing of any place of
Debtor's business or (iii) any change in the location of Debtor's chief
executive office or address.

         Section 4.02     Documents; Collateral in Possession of Third Parties.
If certificates of title or other documents evidencing ownership or possession
of the Collateral are issued or outstanding, Debtor will cause the security
interest of Secured Party to be properly noted thereon and will, forthwith upon
receipt, deliver same to Secured Party.  If any Collateral is at any time in
the possession or control of any warehouseman, bailee, agent or independent
contractor, Debtor shall notify such Person of Secured Party's security
interest in such Collateral.  Upon Secured Party's request, Debtor shall
instruct any such Person to hold all such Collateral for Secured Party's
account subject to Debtor's instructions, or, if an Event of Default shall have
occurred, subject to Secured Party's instructions.

         Section 4.03     Delivery of Letters of Credit and Instruments;
Proceeds.  Debtor will deliver each letter of credit, if any, included in the
Collateral to Secured Party, in each case forthwith upon receipt by or for the
account of Debtor.  If any Account becomes evidenced by a promissory note,
trade acceptance or any other instrument for the payment of money (other than
checks or drafts in payment of Accounts collected by Debtor in the ordinary
course of business prior to notification by Secured Party under Section 5.04),
Debtor will immediately deliver such instrument to Secured Party appropriately
endorsed to Secured Party, as collateral assignee and, regardless of the form
of presentment, demand, notice of dishonor, protest and notice of protest with
respect thereto, Debtor will remain liable thereon until such instrument is
paid in full.  Except as permitted by Sections 4.03, 4.08 and 4.09 Debtor will
deliver to Secured Party all proceeds from the sale or other disposition of the
Collateral promptly upon receipt.  If chattel paper, documents or instruments
are received as proceeds, which are required to be delivered to Secured Party,
they will be, immediately upon receipt, properly endorsed or assigned and
delivered to Secured Party as Collateral.

         Section 4.04     Sale, Disposition or Encumbrance of Collateral.
Except (i) as permitted by Section 4.08, or (ii) with the prior written consent
of the Majority Lenders, Debtor will not in any way encumber any of the
Collateral (or permit or suffer any of the Collateral to be encumbered) or
sell, assign, lend, rent, lease or otherwise dispose of or transfer any of the
Collateral to or in favor of any Person other than Secured Party.

         Section 4.05     Intentionally left blank.





                                      -5-
<PAGE>   7
         Section 4.06     Records and Information.

         (a)     Debtor shall keep accurate and complete records of the
Collateral (including proceeds).  These records shall reflect complete and
accurate stock records of the Inventory and all facts concerning each Account.
Debtor shall conduct a physical count of the Inventory at such intervals as
Secured Party requests and promptly supply Secured Party with a copy of such
count accompanied by a report of the value (valued at the lower of cost or
market value) of the Inventory.  Secured Party may at any time have access to,
examine, audit, make extracts from and inspect without hindrance or delay
Debtor's records, files and the Collateral.

         (b)     Debtor recognizes that financing statements pertaining to the
Collateral will be filed with the offices of the Secretary of State of Texas,
the Alaska Department of Natural Resources, the Secretary of State of
California, the Secretary of State of Oregon and the Department of Licensing of
the State of Washington.  Debtor will immediately notify Secured Party of any
condition or event that may change the proper location for the filing of any
financing statements or other public notice or recordings for the purpose of
perfecting a security interest in the Collateral.  Without limiting the
generality of the foregoing, Debtor will (i) immediately notify Secured Party
of any change to a jurisdiction other than as represented in Section 3.04 (A)
in the location of Debtor's chief executive office or chief place of business,
(B) in the location of the office where Debtor keeps its records concerning the
Accounts, or (C) in the "location" of Debtor within the meaning of Section
9-103(c) of the Code; (ii) immediately notify Secured Party of any change in
the location of the Collateral to any jurisdiction other than the States of
Texas, Alaska, California, Oregon and Washington; and (iii) notify Secured
Party 30 days prior to any change in Debtor's name, identity or corporate
structure or Tax Identification Number.  In any notice furnished pursuant to
this paragraph, Debtor will expressly state that the notice is required by this
Security Agreement and contains facts that will or may require additional
filings of financing statements or other notices for the purpose of continuing
perfection of Secured Party's security interest in the Collateral.  Debtor will
promptly provide written notice to Secured Party of all information which in
any way relates to or affects the Collateral generally, Secured Party's rights
or remedies with respect thereto, the filing of any financing statement or
other public notices or recordings, or the delivery and possession of items of
Collateral for the purpose of perfecting a security interest in the Collateral.

         Section 4.07     Further Assurances.  Upon the request of Secured
Party, Debtor shall (at Debtor's expense) execute and deliver all such
assignments, certificates, financing statements or other documents and give
further assurances and do all other acts and things as Secured Party may
reasonably request to perfect Secured Party's interest in the Collateral or to
protect, enforce or otherwise effect Secured Party's rights and remedies
hereunder.

         Section 4.08     Inventory.  Unless an Event of Default has occurred
and is continuing and after any applicable notice and cure periods provided for
in the Credit Agreement, Debtor may use the Inventory in any lawful manner not
inconsistent with this Security Agreement and with the terms of insurance
thereon and may sell, lease or otherwise dispose of its Inventory for cash or
terms in the ordinary course of business, and Debtor may retain the proceeds of
such sales, leases or other dispositions (subject to Section 4.03 and Section
4.09); provided, however, the Inventory shall remain in Debtor's possession and
control at all times prior to sale, lease or other disposition at Debtor's
address set forth in Section 3.04.  Debtor shall bear any risk of loss of the
Inventory.  Debtor shall not use any item of Inventory in a manner inconsistent
with the holding thereof for sale, lease or other disposition in the ordinary
course of business or in contravention of the terms of any agreement.  Upon the
occurrence and continuance of an Event of Default and after any applicable cure
period, Debtor will not sell, lease or otherwise dispose of any of the
Inventory without the prior written consent of the Majority Lenders, and





                                      -6-
<PAGE>   8
Debtor shall immediately deliver to Secured Party any checks, cash or other
forms of payment which Debtor receives in connection with any Inventory,
appropriately endorsed.

         Section 4.09     Accounts.

         (a)     Prior to notification by Secured Party under Section 6.02(i),
Debtor will collect the Accounts in the ordinary course of its business and may
retain the proceeds of such collections (subject to Section 4.03).

         (b)     Debtor shall immediately notify Secured Party in writing in
the event that any representation given in Article III with respect to any
Account ceases to be true and correct in all material respects; such notice
specifying other representation(s) that cease to be true and correct and the
action, if any, that Debtor proposes to take with respect thereto.

         (c)     Debtor will not modify, extend or substitute any contract, the
terms of which shall at any time have given rise to an Account, except in the
ordinary course of business or with the prior written consent of Secured Party.
Debtor will not re-date any invoice or sale or make sales with an extended
payment date beyond that customary in the industry, and in no event longer than
90 days.  Debtor shall not adjust, settle, discount or compromise any of the
Accounts, except in the ordinary course of business or with the prior written
consent of Secured Party.

         (d)     Debtor will duly perform or cause to be performed all of
Debtor's obligations with respect to the Accounts and the underlying sales of
goods or other transactions giving rise to the Accounts.

         Section 4.10     Condition of Collateral.  Debtor will maintain all
Collateral in good condition and in accordance with industry standards and
practices.  Debtor will not misuse, abuse, waste, destroy or endanger the
Collateral nor allow it to be used in any manner other than its intended use.
Debtor will not use any Collateral in violation of any Governmental
Requirements, or suffer it to be so used.

         Section 4.11     Collateral Separate and Distinct.  Debtor shall at
all times keep the Collateral, including proceeds, or cause it to be kept (when
in the possession of warehousemen, bailees, agents, independent contractors or
other third parties), separate and distinct from other Property.

         Section 4.12     Change in Debtor's Name or Corporate Structure.
Debtor will not change its name, identity or corporate structure (including,
without limitation, any merger, consolidation or sale of substantially all of
its assets) without notifying Secured Party of such change in writing at least
30 days prior to the effective date of such change.  Without the express
written consent of Secured Party, however, Debtor will not engage in any other
business or transaction under any name other than Debtor's name hereunder.


                                   ARTICLE V

                  RIGHTS, DUTIES, AND POWERS OF SECURED PARTY

         The following rights, duties and powers of Secured Party are
applicable irrespective of whether an Event of Default has occurred and is
continuing, but only after having given Debtor at least three (3) days prior
notice:





                                      -7-
<PAGE>   9
         Section 5.01     Attorney-in-Fact.  Secured Party is hereby fully
authorized and empowered (without the necessity of any further consent or
authorization from Debtor) and the right is expressly granted to Secured Party,
and Debtor hereby irrevocably appoints and makes Secured Party as Debtor's
attorney-in-fact, with full authority in the place and stead of Debtor and in
the name of Debtor or otherwise, from time to time in Secured Party's
discretion, but at Debtor's cost and expense to:

                 (a)      obtain, adjust, sell and cancel any insurance with
         respect to the Collateral and endorse any draft drawn by insurers of
         the Collateral, and Secured Party may apply any proceeds or unearned
         premiums of such insurance to the Obligations (whether or not due);
         and

                 (b)      take any action and to execute any assignment,
         certificate, financing statement, notification, document or instrument
         which Secured Party may deem necessary or advisable to accomplish the
         purposes of this Security Agreement, including, without limitation, to
         receive, endorse and collect all instruments made payable to Debtor
         representing any payment or other distribution in respect of the
         Collateral or any part thereof and to give full discharge for the
         same.

         Section 5.02     Transfer of Collateral.  Secured Party may transfer
any or all of the Obligations, and upon any such transfer, Secured Party may
transfer its interest in any or all of the Collateral and shall be fully
discharged thereafter from all liability therefor.  Any transferee of the
Collateral shall be vested with all rights, powers and remedies of Secured
Party hereunder.

         Section 5.03     Purchase Money Financing.  To the extent that the
Lenders have advanced or will advance funds to or for the account of Debtor to
enable Debtor to purchase or otherwise acquire specific types or items of
Collateral, the Lenders may at their option pay such funds (i) directly to the
Person from whom Debtor will make such purchase or acquire such rights or (ii)
to Debtor, in which case Debtor covenants promptly to pay the same to such
Person and forthwith furnish to Secured Party, on request, evidence
satisfactory to Secured Party that such payment has been made from the funds so
provided by Secured Party for such payment.

         Section 5.04     Proceeds.  If so requested by Debtor, any payments
received by Secured Party on the Accounts or as proceeds of other Collateral
shall upon final collection by Secured Party be credited towards payment of the
Obligations.  In the absence of such request from Debtor, and until so
requested, Secured Party may hold such collected payments as cash Collateral
(and Secured Party may at any time place a hold or freeze on all or a part of
any deposit account of Debtor containing deposits of such payments up to the
amount of such deposits).

         Section 5.05     Discharge Encumbrances.  Secured Party may, at its
option, discharge any taxes, Liens, security interests or other encumbrances at
any time levied or placed on the Collateral, may pay for insurance on the
Collateral and may pay for the maintenance and preservation of the Collateral.
Debtor agrees to reimburse Secured Party upon demand for any payment so made,
plus interest on the portion thereof from time to time remaining unpaid from
the date of Secured Party's demand at the rate for overdue principal and
interest set forth in Section 2.06(c) of the Credit Agreement.

         Section 5.06     Disclaimer of Certain Duties.

         (a)     The powers conferred upon Secured Party by this Security
Agreement are to protect the interest of Secured Party, the Issuing Banks and
the Lenders in the Collateral and shall not impose any duty upon Secured Party,
the Issuing Banks or any Lender to exercise any such powers.  Debtor hereby





                                      -8-
<PAGE>   10
agrees that Secured Party, the Issuing Banks and the Lenders shall not be
liable for, nor shall the indebtedness evidenced by the Obligations be
diminished by, Secured Party's delay or failure to collect upon, foreclose,
sell, take possession of or otherwise obtain value for the Collateral.

         (b)     Except as provided in the Credit Agreement, Secured Party
shall be under no duty whatsoever to make or give any presentment, notice of
dishonor, protest, demand for performance, notice of non-performance, notice of
intent to accelerate, notice of acceleration, or other notice or demand in
connection with any Collateral or the Obligations, or to take any steps
necessary to preserve any rights against any Obligor, Account Debtor or other
Person.

         Section 5.07     Modification of Obligations; Other Security.  Debtor
waives (i) any and all notice of acceptance, creation, modification,
rearrangement, renewal or extension for any period of any instrument executed
by any Obligor in connection with the Obligations and (ii) any defense of any
Obligor by reason of disability, lack of authorization, cessation of the
liability of any Obligor or for any other reason.  Debtor authorizes Secured
Party, without notice or demand and without any reservation of rights against
Debtor and without affecting Debtor's liability hereunder or on the
Obligations, from time to time to (x) take and hold other Property, other than
the Collateral, as security for the Obligations, and exchange, enforce, waive
and release any or all of the Collateral, (y) apply the Collateral in the
manner permitted by this Security Agreement and (z) renew, extend for any
period, accelerate, amend or modify, supplement, enforce, compromise, settle,
waive or release the obligations of any Obligor or any instrument or agreement
of such other Person with respect to any or all of the Obligations or
Collateral.

         Section 5.08     Waiver of Notice; Demand and Presentment; etc.
Except for any notice required under the Credit Agreement, Debtor hereby waives
any demand, notice of default, notice of acceleration of the maturity of the
Obligations, notice of intent to accelerate the maturity of the Obligations,
presentment, protest and notice of dishonor as to any action taken by Secured
Party in connection with this Security Agreement, or any instrument or
document.  Debtor waives any right of marshaling in respect of any and all
Collateral, and waives any right to require Secured Party, any Issuing Bank or
any Lender to proceed against any Obligor, Account Debtor or other Person,
exhaust any Collateral or enforce any other remedy which Secured Party, any
Issuing Bank or any Lender now has or may hereafter have against any Obligor or
other Person.

         Section 5.09     Non-judicial Enforcement.  To the fullest extent
allowed by applicable law, Secured Party may enforce its rights hereunder
without prior judicial process or judicial hearing, and to the fullest extent
permitted by law Debtor expressly waives any and all legal rights which might
otherwise require Secured Party to enforce its rights by judicial process.


                                   ARTICLE VI

                               EVENTS OF DEFAULT

         Section 6.01     Events of Default.  An Event of Default under the
Credit Agreement shall constitute an "Event of Default" under this Security
Agreement.

         Section 6.02     Remedies.  Upon the occurrence and during the
continuance of any Event of Default, Secured Party may take any or all of the
following actions without notice (except where expressly required under the
Credit Agreement or below) or demand to Debtor:





                                      -9-
<PAGE>   11
                 (a)      Declare all or part of the indebtedness pursuant to
         the Obligations immediately due and payable and enforce payment of the
         same by Debtor or any Obligor.

                 (b)      Take possession of the Collateral, or at Secured
         Party's request Debtor shall, at Debtor's cost, assemble the
         Collateral and make it available at a location to be specified by
         Secured Party which is reasonably convenient to Debtor and Secured
         Party.  In any event, Debtor shall bear the risk of accidental loss or
         damage to or diminution in value of the Collateral, and Secured Party
         shall have no liability whatsoever for failure to obtain or maintain
         insurance, nor to determine whether any insurance ever in force is
         adequate as to amount or as to risk insured.

                 (c)      Sell or lease, in one or more sales or leases and in
         one or more parcels, or otherwise dispose of any or all of the
         Collateral in its then condition or in any other commercially
         reasonable manner as Secured Party may elect, in a public or private
         transaction, at any location as deemed reasonable by Secured Party
         (including, without limitation, Debtor's premises), either for cash or
         credit or for future delivery at such price as Secured Party may deem
         fair, and (unless prohibited by the Code, as adopted in any applicable
         jurisdiction) Secured Party, any Issuing Bank or any Lender may be the
         purchaser of any or all Collateral so sold and may apply upon the
         purchase price therefor any Obligations secured hereby.  Any such sale
         or transfer by Secured Party either to itself or to any other Person
         shall be absolutely free from any claim of right by Debtor, including
         any equity or right of redemption, stay or appraisal which Debtor has
         or may have under any rule of law, regulation or statute now existing
         or hereafter adopted.  Upon any such sale or transfer, Secured Party
         shall have the right to deliver, assign and transfer to the purchaser
         or transferee thereof the Collateral so sold or transferred.  It shall
         not be necessary that the Collateral or any part thereof be present at
         the location of any such sale or transfer.  Secured Party may, at its
         discretion, provide for a public sale, and any such public sale shall
         be held at such time or times within ordinary business hours and at
         such place or places as Secured Party may fix in the notice of such
         sale.  Secured Party shall not be obligated to make any sale pursuant
         to any such notice.  Secured Party may, without notice or publication,
         adjourn any public or private sale by announcement at any time and
         place fixed for such sale, and such sale may be made at any time or
         place to which the same may be so adjourned.  In the event any sale or
         transfer hereunder is not completed or is defective in the opinion of
         Secured Party, such sale or transfer shall not exhaust the rights of
         Secured Party hereunder, and Secured Party shall have the right to
         cause one or more subsequent sales or transfers to be made hereunder.
         In the event that any of the Collateral is sold or transferred on
         credit, or to be held by Secured Party for future delivery to a
         purchaser or transferee, the Collateral so sold or transferred may be
         retained by Secured Party until the purchase price or other
         consideration is paid by the purchaser or transferee thereof, but in
         the event that such purchaser or transferee fails to pay for the
         Collateral so sold or transferred or to take delivery thereof, neither
         Secured Party, any Issuing Bank nor any Lender shall incur any
         liability in connection therewith.  If only part of the Collateral is
         sold or transferred such that the Obligations remain outstanding (in
         whole or in part), Secured Party's rights and remedies hereunder shall
         not be exhausted, waived or modified, and Secured Party is
         specifically empowered to make one or more successive sales or
         transfers until all the Collateral shall be sold or transferred and
         all the Obligations are paid.  In the event that Secured Party elects
         not to sell the Collateral, Secured Party retains its rights to lease
         or otherwise dispose of or utilize the Collateral or any part or parts
         thereof in any manner authorized or permitted by law or in equity, and
         to apply the proceeds of the same towards payment of the Obligations.
         Each and every method of disposition of the Collateral described in
         this Section 6.02(c) or in Section 6.02(f) shall constitute
         disposition in a commercially reasonable manner.





                                      -10-
<PAGE>   12
                 (d)      Take possession of all books and records of Debtor
         pertaining to the Collateral.  Secured Party shall have the authority
         to enter upon any real or immoveable property or improvements thereon
         in order to obtain any such books or records, or any Collateral
         located thereon, and remove the same therefrom without liability.

                 (e)      Apply proceeds of the disposition of the Collateral
         to the Obligations in any manner elected by Secured Party and
         permitted by the Code or otherwise permitted by law or in equity.
         Such application may include, without limitation, the reasonable
         expenses of retaking, holding, preparing for sale or other
         disposition, and the reasonable attorneys' fees and legal expenses
         incurred by Secured Party, the Issuing Banks and the Lenders.

                 (f)      Appoint any Person as agent to perform any act or
         acts necessary or incident to any sale or transfer by Secured Party of
         the Collateral.  Additionally, any sale or transfer hereunder may be
         conducted by an auctioneer or any officer or agent of Secured Party.

                 (g)      Apply and set-off (i) any deposits of Debtor now or
         hereafter held by Secured Party, the Issuing Banks and the Lenders;
         (ii) all claims of Debtor against Secured Party, now or hereafter
         existing; (iii) any other Property, rights or interests of Debtor
         which come into the possession or custody or under the control of
         Secured Party; and (iv) the proceeds of any of the foregoing as if the
         same were included in the Collateral.  Secured Party agrees to notify
         Debtor promptly after any such set-off or application; provided,
         however, the failure of Secured Party to give any notice shall not
         affect the validity of such set-off or application.

                 (h)      With respect to the Collateral, receive, change the
         address for delivery, open and dispose of mail addressed to Debtor,
         and to execute, assign and endorse negotiable and other instruments
         for the payment of money, documents of title or other evidences of
         payment, shipment or storage for any form of Collateral on behalf of
         and in the name of Debtor.

                 (i)      Notify or require Debtor to notify Account Debtors
         that the Accounts have been assigned to Secured Party and direct such
         Account Debtors to make payments on the Accounts directly to Secured
         Party.  To the extent Secured Party does not so elect, Debtor shall
         continue to collect and retain the Accounts.  Secured Party or its
         designee shall also have the right, in its own name or in the name of
         Debtor, to do any of the following:  (i) to demand, collect, receipt
         for, settle, compromise any amounts due, give acquittances for,
         prosecute or defend any action which may be in relation to any monies
         due or to become due by virtue of, the Accounts; (ii) to sell,
         transfer or assign or otherwise deal in the Accounts or the proceeds
         thereof or the related goods, as fully and effectively as if Secured
         Party were the absolute owner thereof; (iii) to extend the time of
         payment of any of the Accounts, to grant waivers and make any
         allowance or other adjustment with reference thereto; (iv) to endorse
         the name of Debtor on notes, checks or other evidences of payments on
         Collateral that may come into possession of Secured Party; (v) to take
         control of cash and other proceeds of any Collateral; (vi) to sign the
         name of Debtor on any invoice or bill of lading relating to any
         Collateral, or any drafts against Account Debtors or other persons
         making payment with respect to Collateral; (vii) to send a request for
         verification of Accounts to any Account Debtor; and (viii) to do all
         other acts and things necessary to carry out the intent of this
         Agreement.

                 (j)      Exercise all other rights and remedies permitted by
         law or in equity.





                                      -11-
<PAGE>   13
         Section 6.03     Liability for Deficiency.  If any sale or other
disposition of Collateral by Secured Party or any Issuing Bank or any other
action of Secured Party, any Issuing Bank or any Lender hereunder results in
reduction of the Obligations, such action will not release Debtor from its
liability to Secured Party, the Issuing Banks and the Lenders for any unpaid
Obligations, including costs, charges and expenses incurred in the liquidation
of Collateral, together with interest thereon, and the same shall be
immediately due and payable to Secured Party at Secured Party's address set
forth on the signature page of this Security Agreement.

         Section 6.04     Reasonable Notice.  If any applicable provision of
any law requires Secured Party, any Issuing Bank or any Lender to give
reasonable notice of any sale or disposition or other action, Debtor hereby
agrees that fifteen (15) days' prior written notice shall constitute reasonable
notice thereof.  Such notice, in the case of public sale, shall state the time
and place fixed for such sale and, in the case of private sale, the time after
which such sale is to be made.

         Section 6.05     Account Debtors.  Any payment or settlement of an
Account made by an Account Debtor will be, to the extent of such payment or to
the extent provided under such settlement, a release, discharge and acquittance
of the Account Debtor with respect to such Account, and Debtor shall take any
action as may be required by Secured Party in connection therewith.  No Account
Debtor on any Account will ever be bound to make inquiry as to the termination
of this Agreement or the rights of Secured Party to act hereunder, but shall be
fully protected by Debtor in making payment directly to Secured Party.


                                  ARTICLE VIII

                                 MISCELLANEOUS

         Section 7.01     Notices.  Any notice required or permitted to be
given under or in connection with this Security Agreement shall be given as
specified in Section 8.01 of the Credit Agreement to the address specified on
the signature page of this Security Agreement.

         Section 7.02     Amendments and Waivers.  Secured Party's, any Issuing
Bank's or any Lender's acceptance of partial or delinquent payments or any
forbearance, failure or delay by the Secured Party in exercising any right,
power or remedy hereunder shall not be deemed a waiver of any obligation of
Debtor or any Obligor, or of any right, power or remedy of Secured Party; and
no partial exercise of any right, power or remedy shall preclude any other or
further exercise thereof.  Secured Party may remedy any Event of Default
hereunder or in connection with the Obligations without waiving the Event of
Default so remedied.  Debtor hereby agrees that if Secured Party agrees to a
waiver of any provision hereunder, or an exchange of or release of the
Collateral, or the addition or release of any Obligor, any such action shall
not constitute a waiver of any of Secured Party's other rights or of Debtor's
obligations hereunder.  This Security Agreement may be amended only by the
manner set forth in Section 8.02 of the Credit Agreement by an instrument in
writing executed jointly by Debtor and Secured Party and may be supplemented
only by documents delivered or to be delivered in accordance with the express
terms hereof.

         Section 7.03     Copy as Financing Statement.  A photocopy or other
reproduction of this Security Agreement or any financing statement covering the
Collateral is sufficient as a financing statement, and the same may be filed
with any appropriate filing authority for the purpose of perfecting Secured
Party's security interest in the Collateral.





                                      -12-
<PAGE>   14
         Section 7.04     Possession of Collateral.  Secured Party shall be
deemed to have possession of any Collateral in transit to it or set apart for
it (or, in either case, any of its agents, affiliates or correspondents).

         Section 7.05     Redelivery of Collateral.  If any sale or transfer of
Collateral by Secured Party results in full satisfaction of the Obligations,
and after such sale or transfer and discharge there remains a surplus of
proceeds, Secured Party will deliver to Debtor such excess proceeds in a
commercially reasonable time; provided, however, that neither Secured Party,
any Issuing Bank nor any Lender shall be liable for any interest, cost or
expense in connection with any delay in delivering such proceeds to Debtor.

         Section 7.06     Governing Law; Jurisdiction.  This Security Agreement
and the security interest granted hereby shall be construed in accordance with
and governed by the laws of the State of Texas (except to the extent that the
laws of any other jurisdiction govern the perfection and priority of the
security interests granted hereby).  Debtor consents to and submits to in
personam jurisdiction and venue in the state district and county courts of the
county wherein Secured Party's offices are located at the address specified on
the signature page hereof, and in the Federal District Courts of the district
wherein such offices of Secured Party are located.  This submission to
jurisdiction is nonexclusive and does not preclude Secured Party, any Issuing
Bank or any Lender from obtaining jurisdiction over Debtor or the Collateral in
any court otherwise having jurisdiction.

         Section 7.07     Cumulative and Other Rights.  The rights, powers and
remedies of Secured Party, the Issuing Banks and the Lenders hereunder are in
addition to all rights, powers and remedies given by law or in equity.  The
exercise by Secured Party, any Issuing Bank or any Lender of any one or more of
the rights, powers and remedies herein shall not be construed as a waiver of
any other rights, powers and remedies, including, without limitation, any other
rights of set-off.  If any of the Obligations are given in renewal, extension
for any period or rearrangement, or applied toward the payment of debt secured
by any lien, Secured Party shall be, and is hereby, subrogated to all the
rights, titles, interests and liens securing the debt so renewed, extended,
rearranged or paid.

         Section 7.08     Continuing Security Agreement.

         (a)     This Security Agreement shall constitute a continuing security
agreement, and all representations and warranties, covenants and agreements
shall, as applicable, apply to all future as well as existing transactions.
Provisions of this Security Agreement, unless they are by their terms
exclusive, shall be in addition to other agreements between the parties.

         (b)     Except as may be expressly applicable pursuant to Section
9.505 of the Code, no action taken or omission to act by Secured Party, the
Issuing Banks or the Lenders hereunder, including, without limitation, any
action taken or inaction pursuant to Section 6.02, shall be deemed to
constitute a retention of the Collateral in satisfaction of the Obligations or
otherwise to be in full satisfaction of the Obligations, and the Obligations
shall remain in full force and effect, until Secured Party, the Issuing Banks
and the Lenders shall have applied payments (including, without limitation,
collections from Collateral) towards the Obligations in the full amount then
outstanding or until such subsequent time as is hereinafter provided in
subsection (c) below.

         (c)     To the extent that any payments on the Obligations or proceeds
of the Collateral are subsequently invalidated, declared to be fraudulent or
preferential, set aside or required to be repaid to a trustee, debtor in
possession, receiver or other Person under any bankruptcy law, common law or





                                      -13-
<PAGE>   15
equitable cause, then to such extent the Obligations so satisfied shall be
revived and continue as if such payment or proceeds had not been received by
Secured Party, the Issuing Banks or the Lenders, and Secured Party's, the
Issuing Banks' and the Lenders' security interests, rights, powers and remedies
hereunder shall continue in full force and effect.  In such event, this
Security Agreement shall be automatically reinstated if it shall theretofore
have been terminated pursuant to Section 7.09.

         (d)     In the event that the Obligations are structured such that
there are times when no Indebtedness is owing thereunder, this Security
Agreement shall remain valid and in full force and effect as to all subsequent
indebtedness included in the Obligations, provided Secured Party has not in the
interim period executed a written release or termination statement or returned
possession of or reassigned the Collateral to Debtor.

         Section 7.09     Termination.  The grant of a security interest
hereunder and all of Secured Party's, the Issuing Banks' and the Lenders'
rights, powers and remedies in connection therewith shall remain in full force
and effect until Secured Party has retransferred and delivered all Collateral
in its possession to Debtor, and executed a written release or termination
statement and reassigned to Debtor without recourse or warranty any remaining
Collateral and all rights conveyed hereby.  Upon the complete payment of the
Obligations and the compliance by Debtor with all covenants and agreements
hereof, Secured Party, at the written request and expense of Debtor, will
release, reassign and transfer the Collateral to Debtor and declare this
Security Agreement to be of no further force or effect.  Notwithstanding the
foregoing, the provisions of Section 7.08(c) shall survive the termination of
this Security Agreement.

         Section 7.10     Counterparts, Effectiveness.  This Security Agreement
may be executed in two or more counterparts.  Each counterpart is deemed an
original, but all such counterparts taken together constitute one and the same
instrument.  This Security Agreement becomes effective upon the execution
hereof by Debtor and delivery of the same to Secured Party, and it is not
necessary for Secured Party, the Issuing Banks or any Lender to execute any
acceptance hereof or otherwise signify or express its acceptance hereof.

         Section 7.11     Headings Descriptive.  All titles or headings to
articles, sections, subsections or other divisions of this Security Agreement
or the exhibits hereto are only for the convenience of the parties and shall
not be construed to have any effect or meaning with respect to the other
content of such articles, sections, subsections or other divisions, such other
content being controlling as to the agreement between the parties hereto.

         Section 7.12     Delivery of Copy/Waiver.  The Debtor hereby
acknowledges receiving a copy of this Security Agreement.  The Debtor waives
all rights to receive from the Secured Party a copy of any financing statement
or financing change statement filed or registered or verification statement
issued at any time in respect of this Security Agreement.





                                      -14-
<PAGE>   16
DEBTOR:                                 TESORO PETROLEUM CORPORATION


                                        By: /s/ William T. VanKleef
                                            ------------------------
                                        Name: William T. VanKleef
                                        Title: Vice President, Treasurer


                                        Address of Chief Executive Office and
                                        Location of the Collateral:

                                        8700 Tesoro Drive
                                        San Antonio, Texas  78217


SECURED PARTY:                          TEXAS COMMERCE BANK NATIONAL
                                        ASSOCIATION, AS AGENT


                                        By: /s/ P. Stan Burge
                                            ------------------------
                                        Name: P. Stan Burge
                                        Title: Vice President

                                        Address:

                                        712 Main Street
                                        Houston, Texas  77002





                                      -15-
<PAGE>   17
                              FINANCING STATEMENT


         This Financing Statement is presented to a filing officer for filing
pursuant to the Uniform Commercial Code.

1.       The name and address of the Debtor is:

         TESORO PETROLEUM CORPORATION
         8700 Tesoro Drive
         San Antonio, Texas  78217
         Federal Tax Identification No.: 98-0862768

2.       The name and address of the Secured Party is:

         TEXAS COMMERCE BANK NATIONAL ASSOCIATION, as Agent
         712 Main Street
         Houston, Texas   77002
         Federal Tax Identification No.: 74-0800980

3.       This Financing Statement covers the following Collateral:

                 (a)      all of Debtor's accounts and inventory;

                 (b)      (i) any property from time to time delivered to or
         deposited with Secured Party by or for the account of Debtor which is
         related to any property referred to in this item 3; and (ii) all
         certificates of title or other documents evidencing ownership or
         possession of or otherwise relating to any property referred to in
         clause (a) of this item 3;

                 (c)      (i) all goods which were at any time included in the
         Collateral described in clause (a) of this item 3 and which are
         returned to or for the account of Debtor following their sale, lease
         or other disposition; (ii) all policies of insurance (whether or not
         required by Secured Party) covering any property referred to in this
         item 3; and (iii),  all proceeds, products, replacements, additions
         to, substitutions for, accessions of, and property necessary for the
         operation of any of the property referred to in this item 3,
         including, without limitation, insurance payable as a result of loss
         or damage to any of the property referred to in this item 3, refunds
         of unearned premiums of any such insurance policy and claims against
         third parties;

                 (d)      all books and records related to any of the property
         referred to in this item 3, including, without limitation, any and all
         books of account, customer lists and other records relating in any way
         to the Collateral described in this item 3;

                 (e)      all of Debtor's general intangibles which are related
         (but only those related) to any property referred to in this item 3,
         including, without limitation, all (i) letters of credit, bonds,
         guaranties, purchase or sales agreements and other contractual rights,
         rights to performance, and claims for damages, refunds (including tax
         refunds) or other monies due or to become due; (ii) orders,
         franchises, permits, certificates, licenses, consents, exemptions,
         variances, authorizations or other approvals by any governmental
         authority; (iii) business records, computer tapes and computer
         software; and (iv) other intangible personal property, whether
<PAGE>   18
         similar or dissimilar to the other property described or referred to
         in clause (a) of this item 3; and

                 (f)      all of Debtor's chattel paper, documents and
         instruments related to or arising out of any property referred to in
         clause (a) of this item 3.

         The Collateral shall not include and shall be exclusive of any
         equipment.


DEBTOR:                                 TESORO PETROLEUM CORPORATION


                                        By: /s/ William T. VanKleef
                                            ---------------------------
                                        Name: William T. VanKleef
                                        Title: Vice President, Treasurer





                                      -2-

<PAGE>   1
                                                                   EXHIBIT 10.7




                               SECURITY AGREEMENT

                            (Accounts and Inventory)



                                    Between

                        TESORO ALASKA PETROLEUM COMPANY

                                      and

                   TEXAS COMMERCE BANK NATIONAL ASSOCIATION,
                                    AS AGENT



                                 April 20, 1994
<PAGE>   2
                               SECURITY AGREEMENT

                             ACCOUNTS AND INVENTORY

         THIS SECURITY AGREEMENT is made as of April 20, 1994, between TESORO
ALASKA PETROLEUM COMPANY, a Delaware corporation ("Debtor"), and TEXAS COMMERCE
BANK NATIONAL ASSOCIATION, a national banking association, as Agent ("Secured
Party"), for itself, the Issuing Banks and the Lenders.

                                    RECITALS

         A.      On even date herewith, Tesoro Petroleum Corporation (the
"Company"), Texas Commerce Bank National Association, individually, as Agent
and as an Issuing Bank, Banque Paribas, individually, as Co-Agent and as an
Issuing Bank, and the other financial institutions parties thereto entered into
a Credit Agreement (as amended from time to time, the "Credit Agreement").

         B.      The conditions precedent to the effectiveness of the Credit
Agreement and the obligations of the Lenders to make the initial Loans and the
Issuing Banks to issue Letters of Credit thereunder, include the execution and
delivery by Debtor of this Security Agreement, and Debtor has agreed to enter
into this Security Agreement.

         C.      Therefore, (i) in order to comply with the terms and
conditions of the Credit Agreement, (ii) to induce the Lenders at any time from
time to time to loan monies and the Issuing Banks to issue Letters of Credit,
with or without security to or for the account of the Company in accordance
with the terms of the Credit Agreement, (iii) at the special insistence and
request of the Agent, the Issuing Banks and the Lenders, and (iv) for other
good and valuable consideration, the receipt and sufficiency of which are
hereby acknowledged, Debtor hereby agrees with Secured Party as follows:


                                   ARTICLE I

                                  DEFINITIONS

         Section 1.01     Terms Defined Above.  As used in this Security
Agreement, the terms "Company,"  "Credit Agreement," "Debtor" and "Secured
Party" shall have the meanings respectively assigned to them.

         Section 1.02     Certain Definitions.  As used in this Security
Agreement, the following terms shall have the following meanings, unless the
context otherwise requires:

                 "Accounts" shall mean all accounts (as such term is defined in
the Code).

                 "Account Debtor" shall mean any Person liable (whether
         directly or indirectly, primarily or secondarily) for the payment or
         performance of any obligations included in the Collateral, whether as
         an account debtor (as defined in the Code), obligor on an instrument,
         issuer of documents or securities, guarantor or otherwise.

                 "Code" shall mean the Uniform Commercial Code as presently in
         effect in the State of Texas, Texas Business and Commerce Code,
         Chapters 1 through 9.
<PAGE>   3
                 "Collateral" shall mean the following types or items of
         Property (including Property hereafter acquired by Debtor as well as
         Property which Debtor now owns or in which Debtor has rights):

                 (a)      all of Debtor's Accounts and Inventory;

                 (b)      (i) any Property from time to time delivered to or
         deposited with Secured Party by or for the account of Debtor which is
         related to any Property referred to in clause (a) of this definition;
         and (ii) all certificates of title or other documents evidencing
         ownership or possession of or otherwise relating to any Property
         referred to in clause (a) of this definition;

                 (c)      (i) all goods which were at any time included in the
         Collateral described in clause (a) of this definition and which are
         returned to or for the account of Debtor following their sale, lease
         or other disposition; (ii) all policies of insurance (whether or not
         required by Secured Party) covering any Property referred to in this
         definition; and (iii) all proceeds, products, replacements, additions
         to, substitutions for, accessions of, and Property necessary for the
         operation of any of the Property referred to in this definition,
         including, without limitation, insurance payable as a result of loss
         or damage to any of the Property referred to in this definition,
         refunds of unearned premiums of any such insurance policy and claims
         against third parties;

                 (d)      all books and records related to any of the Property
         referred to in this definition, including, without limitation, any and
         all books of account, customer lists and other records relating in any
         way to the Collateral described in this definition;

                 (e)      all of Debtor's general intangibles (as defined in
         the Code) which are related (but only those related) to any Property
         referred to in this definition, including, without limitation, all (i)
         letters of credit, bonds, guaranties, purchase or sales agreements and
         other contractual rights, rights to performance, and claims for
         damages, refunds (including tax refunds) or other monies due or to
         become due; (ii) orders, franchises, permits, certificates, licenses,
         consents, exemptions, variances, authorizations or other approvals by
         any Governmental Authority; (iii) business records, computer tapes and
         computer software; and (iv) other intangible personal property,
         whether similar or dissimilar to the Property referred to in clause
         (a) of this definition; and

                 (f)      all of Debtor's chattel paper, documents and
         instruments (as such terms are defined in the Code) related to or
         arising out of any Property referred to in clause (a) of this
         definition.

                 It is expressly contemplated that additional Property may from
         time to time be pledged, assigned or granted to Secured Party as
         additional security for the Obligations, and, if so, then the term
         "Collateral" as used herein shall be deemed for all purposes hereof to
         include all such additional Property, together with all other Property
         of the types described above related thereto.  It is expressly agreed
         that Collateral shall not include and shall be exclusive of any
         equipment.

                 "Event of Default" shall have the meaning assigned such term
in Section 6.01 of this Security Agreement.

                 "Inventory" shall mean all inventory (as defined in the Code).





                                      -2-
<PAGE>   4
                 "Obligations" shall mean with respect to the Debtor, the
         Obligations (as defined in the Guaranty Agreement) to the extent the
         Debtor is liable therefor as provided in the Guaranty Agreement.  The
         Obligations are Senior Debt as such term is defined in that certain
         Subordination Agreement dated December 15, 1992 among the Company,
         Tesoro Alaska Petroleum Company and the State of Alaska attached to
         the Settlement Agreement among the Company, Tesoro Alaska Petroleum
         Company and the State of Alaska.

                 "Obligor" shall mean the Company and any other Person, other
         than Debtor, liable (whether directly or indirectly, primarily or
         secondarily) for the payment or performance of any of the Obligations
         whether as maker, co-maker, endorser, guarantor, accommodation party,
         general partner or otherwise; and the term "Obligor" shall
         specifically include each Guarantor, other than Debtor, named in the
         Credit Agreement.

                 "Property" shall mean any interest in any kind of property or
         asset, whether real, personal or mixed, or tangible or intangible.

                 "Security Agreement" shall mean this Security Agreement, as
         the same may be amended, modified or supplemented from time to time.

                 Section 1.03     Other Defined Terms.  Unless otherwise
defined herein, all terms beginning with a capital letter which are defined in
the Credit Agreement shall have the meanings assigned therein, unless the
context hereof requires otherwise.  All uncapitalized terms which are defined
in the Code shall have their respective meanings as used in the Code, unless
the context hereof requires otherwise.


                                   ARTICLE II

                               SECURITY INTEREST

         Section 2.01     Grant of Security Interest.  Debtor hereby assigns
and grants to Secured Party, for its benefit and the benefit of the Lenders and
the Issuing Banks, a security interest in, lien upon and right of set-off
against the Collateral to secure the prompt payment and performance of the
Obligations.


                                  ARTICLE III

                         REPRESENTATIONS AND WARRANTIES

         Debtor represents and warrants to Secured Party, the Issuing Banks and
the Lenders (which representations and warranties will survive the creation and
payment of the Obligations) that:

         Section 3.01     First Priority Security Interest.  The grant of the
security interest in the Collateral pursuant to this Security Agreement creates
a valid and perfected first priority security interest in the Collateral,
enforceable against Debtor and all third parties and securing payment of the
Obligations.

         Section 3.02     No Filings By Third Parties.  No financing statement
or other public notice or recording covering the Collateral is on file in any
public office (other than any financing statement or other public notice or
recording naming Secured Party as the secured party therein), and Debtor will
not





                                      -3-
<PAGE>   5
execute any such financing statement or other public notice or recording so
long as any of the Obligations are outstanding.

         Section 3.03     No Name Changes.  Debtor has not, during the
preceding five years, entered into any contract, agreement, security instrument
or other document using a name other than, or been known by or otherwise used
any name other than, the name used by Debtor herein.

         Section 3.04     Location of Debtor and Collateral.  Debtor's chief
executive office and Debtor's records concerning the Collateral are located at
the address or location set forth on the signature page hereof.  The Collateral
is located at such address or at the location(s), if any, specified in Exhibit
A hereto.  Any Collateral not at such location(s) nevertheless remains subject
to Secured Party's security interest.

         Section 3.05     Collateral.  All statements or other information
provided by Debtor to Secured Party, any Issuing Bank or any Lender with
respect to the Collateral is or (in the case of subsequently furnished
information) will be when provided correct and complete in all material
respects.  The delivery at any time by Debtor to Secured Party of additional
Collateral or of additional descriptions of Collateral shall constitute a
representation and warranty by Debtor to Secured Party hereunder that the
representations and warranties of this Article III are correct insofar as they
would pertain to such Collateral or the descriptions thereof.

         Section 3.06     Accounts.

         (a)     Each Account represents the genuine, valid and legally
enforceable indebtedness of an Account Debtor arising from the sale, lease or
rendition by Debtor of goods or services and is not and will not be subject to
contra accounts, set-offs, defenses, counterclaims, allowances or adjustments
(other than discounts for prompt payment shown on the invoice), or objections
or complaints by the Account Debtor concerning its liability on the Account;
and any goods, the sale of which gave rise to an Account, have not been
returned or rejected by the Account Debtor or lost or damaged prior to receipt
by the Account Debtor.

         (b)     The amount shown as to each Account on Debtor's books is or
will be the true and undisputed amount owing and unpaid thereon.  Except as
disclosed in writing to Secured Party, each Account arose or shall have arisen
in the ordinary course of Debtor's business; provided, however, that any
Accounts which arose or hereafter arise outside the ordinary course of Debtor's
business shall nevertheless be included as part of the Collateral.  Debtor has
no knowledge of any bankruptcy, insolvency or other action affecting creditors'
rights with respect to any Account Debtor.

         (c)     Except as disclosed in writing to Secured Party, each invoice
or agreement evidencing the Accounts is or will be due and payable not more
than 90 days from the date thereof; provided, however, that any Accounts not so
due and payable shall nevertheless be included as part of the Collateral.

         Section 3.07     Delivery of Documents or Letters of Credit.  With
respect to any Inventory or other Collateral covered by one or more
certificates of title or other documents evidencing ownership or possession
thereof, and with respect to any Accounts or other Collateral supported by
letters of credit, each of such certificates, documents or letters of credit
has been delivered to Secured Party (provided, however, that all certificates,
documents and letters of credit referred to in Section 1.02 shall be subject





                                      -4-
<PAGE>   6
to the security interest created by this Security Agreement irrespective of
whether or not such delivery shall have been made).

         Section 3.08     Ownership of Collateral; Encumbrances; Valid and
Binding Agreement.  Debtor is the legal and beneficial owner of the Collateral
free and clear of any adverse claim, lien, security interest, option or other
charge or encumbrance except for the security interest created by this
Agreement, and Debtor has full right, power and authority to assign and grant a
security interest in the Collateral to Secured Party.  This Agreement
constitutes a legal, valid and binding obligation of Debtor enforceable against
Debtor in accordance with its terms.  The execution, delivery and performance
of this Agreement will not violate the terms of any contract, agreement, law,
regulation, order, injunction, judgment, decree or writ to which Debtor is
subject and does not require the consent or approval of any other Person.

         Section 3.09     No Required Consent.  No authorization, consent,
approval or other action by, and no notice to or filing with, any governmental
authority or regulatory body (other than the filing of financing statements) is
required for (i) the due execution, delivery and performance by Debtor of this
Agreement, (ii) the grant by Debtor of the security interest granted by this
Agreement, (iii) the perfection of such security interest or (iv) the exercise
by Secured Party of its rights and remedies under this Agreement.


                                   ARTICLE IV

                            COVENANTS AND AGREEMENTS

         Debtor covenants and agrees that so long as any part of the
Obligations are outstanding:

         Section 4.01     Change in Location of Collateral or Debtor.  Debtor
will give Secured Party 30 days' prior written notice of (i) any change in
location of the Collateral to a jurisdiction other than Texas, Alaska,
California, Oregon or Washington and which would cause the Secured Party to be
unperfected in the Collateral, (ii) the opening or closing of any place of
Debtor's business or (iii) any change in the location of Debtor's chief
executive office or address.

         Section 4.02     Documents; Collateral in Possession of Third Parties.
If certificates of title or other documents evidencing ownership or possession
of the Collateral are issued or outstanding, Debtor will cause the security
interest of Secured Party to be properly noted thereon and will, forthwith upon
receipt, deliver same to Secured Party.  If any Collateral is at any time in
the possession or control of any warehouseman, bailee, agent or independent
contractor, Debtor shall notify such Person of Secured Party's security
interest in such Collateral.  Upon Secured Party's request, Debtor shall
instruct any such Person to hold all such Collateral for Secured Party's
account subject to Debtor's instructions, or, if an Event of Default shall have
occurred, subject to Secured Party's instructions.

         Section 4.03     Delivery of Letters of Credit and Instruments;
Proceeds.  Debtor will deliver each letter of credit, if any, included in the
Collateral to Secured Party, in each case forthwith upon receipt by or for the
account of Debtor.  If any Account becomes evidenced by a promissory note,
trade acceptance or any other instrument for the payment of money (other than
checks or drafts in payment of Accounts collected by Debtor in the ordinary
course of business prior to notification by Secured Party under Section 5.04),
Debtor will immediately deliver such instrument to Secured Party appropriately
endorsed to Secured Party, as collateral assignee and, regardless of the form
of presentment, demand, notice of dishonor, protest and notice of protest with
respect thereto, Debtor will remain liable thereon





                                      -5-
<PAGE>   7
until such instrument is paid in full.  Except as permitted by Sections 4.03,
4.08 and 4.09, Debtor will deliver to Secured Party all proceeds from the sale
or other disposition of the Collateral promptly upon receipt.  If chattel
paper, documents or instruments are received as proceeds, which are required to
be delivered to Secured Party, they will be, immediately upon receipt, properly
endorsed or assigned and delivered to Secured Party as Collateral.

         Section 4.04     Sale, Disposition or Encumbrance of Collateral.
Except (i) as permitted by Section 4.08, or (ii) with the prior written consent
of the Majority Lenders, Debtor will not in any way encumber any of the
Collateral (or permit or suffer any of the Collateral to be encumbered) or
sell, assign, lend, rent, lease or otherwise dispose of or transfer any of the
Collateral to or in favor of any Person other than Secured Party.

         Section 4.05     Intentionally left blank.

         Section 4.06     Records and Information.

         (a)     Debtor shall keep accurate and complete records of the
Collateral (including proceeds).  These records shall reflect complete and
accurate stock records of the Inventory and all facts concerning each Account.
Debtor shall conduct a physical count of the Inventory at such intervals as
Secured Party requests and promptly supply Secured Party with a copy of such
count accompanied by a report of the value (valued at the lower of cost or
market value) of the Inventory.  Secured Party may at any time have access to,
examine, audit, make extracts from and inspect without hindrance or delay
Debtor's records, files and the Collateral.

         (b)     Debtor will promptly furnish such information as Secured Party
may from time to time reasonably request regarding (i) the business, affairs or
financial condition of Debtor or (ii) the Collateral or Secured Party's rights
or remedies with respect thereto.  Any balance sheets or financial statements
requested by Secured Party pursuant to this Section 4.06(b) shall conform to
generally accepted accounting principles.

         (c)     Debtor recognizes that financing statements pertaining to the
Collateral will be filed with the offices of the Secretary of State of Texas,
the Alaska Department of Natural Resources, the Secretary of State of
California, the Secretary of State of Oregon and the Department of Licensing of
the State of Washington.  Debtor will immediately notify Secured Party of any
condition or event that may change the proper location for the filing of any
financing statements or other public notice or recordings for the purpose of
perfecting a security interest in the Collateral.  Without limiting the
generality of the foregoing, Debtor will (i) immediately notify Secured Party
of any change to a jurisdiction other than as represented in Section 3.04 (A)
in the location of Debtor's chief executive office or chief place of business,
(B) in the location of the office where Debtor keeps its records concerning the
Accounts, or (C) in the "location" of Debtor within the meaning of Section
9-103(c) of the Code; (ii) immediately notify Secured Party of any change in
the location of the Collateral to any jurisdiction other than the States of
Texas, Alaska, California, Oregon and Washington; and (ii) notify Secured Party
30 days prior to any change in Debtor's name, identity or corporate structure
or Tax Identification Number.  In any notice furnished pursuant to this
paragraph, Debtor will expressly state that the notice is required by this
Security Agreement and contains facts that will or may require additional
filings of financing statements or other notices for the purpose of continuing
perfection of Secured Party's security interest in the Collateral.  Debtor will
promptly provide written notice to Secured Party of all information which in
any way relates to or affects the Collateral generally, Secured Party's rights
or remedies with respect thereto,





                                      -6-
<PAGE>   8
the filing of any financing statement or other public notices or recordings, or
the delivery and possession of items of Collateral for the purpose of
perfecting a security interest in the Collateral.

         Section 4.07     Further Assurances.  Upon the request of Secured
Party, Debtor shall (at Debtor's expense) execute and deliver all such
assignments, certificates, financing statements or other documents and give
further assurances and do all other acts and things as Secured Party may
reasonably request to perfect Secured Party's interest in the Collateral or to
protect, enforce or otherwise effect Secured Party's rights and remedies
hereunder.

         Section 4.08     Inventory.  Unless an Event of Default has occurred
and is continuing and after any applicable notice and cure periods provided for
in the Credit Agreement, Debtor may use the Inventory in any lawful manner not
inconsistent with this Security Agreement and with the terms of insurance
thereon and may sell, lease or otherwise dispose of its Inventory for cash or
terms in the ordinary course of business, and Debtor may retain the proceeds of
such sales, leases or other dispositions (subject to Section 4.03 and Section
4.09); provided, however, the Inventory shall remain in Debtor's possession and
control at all times prior to sale, lease or other disposition at Debtor's
address set forth in Section 3.04.  Debtor shall bear any risk of loss of the
Inventory.  Debtor shall not use any item of Inventory in a manner inconsistent
with the holding thereof for sale, lease or other disposition in the ordinary
course of business or in contravention of the terms of any agreement.  Upon the
occurrence and continuance of an Event of Default and after any applicable cure
period, Debtor will not sell, lease or otherwise dispose of any of the
Inventory without the prior written consent of the Majority Lenders, and Debtor
shall immediately deliver to Secured Party any checks, cash or other forms of
payment which Debtor receives in connection with any Inventory, appropriately
endorsed.

         Section 4.09     Accounts.

         (a)     Prior to notification by Secured Party under Section 6.02(i),
Debtor will collect the Accounts in the ordinary course of its business and may
retain the proceeds of such collections (subject to Section 4.03).

         (b)     Debtor shall immediately notify Secured Party in writing in
the event that any representation given in Article III with respect to any
Account ceases to be true and correct in all material respects; such notice
specifying other representation(s) that cease to be true and correct and the
action, if any, that Debtor proposes to take with respect thereto.

         (c)     Debtor will not modify, extend or substitute any contract, the
terms of which shall at any time have given rise to an Account, except in the
ordinary course of business or with the prior written consent of Secured Party.
Debtor will not re-date any invoice or sale or make sales with an extended
payment date beyond that customary in the industry, and in no event longer than
90 days.  Debtor shall not adjust, settle, discount or compromise any of the
Accounts, except in the ordinary course of business or with the prior written
consent of Secured Party.

         (d)     Debtor will duly perform or cause to be performed all of
Debtor's obligations with respect to the Accounts and the underlying sales of
goods or other transactions giving rise to the Accounts.

         Section 4.10     Condition of Collateral.  Debtor will maintain all
Collateral in good condition and in accordance with industry standards and
practices.  Debtor will not misuse, abuse, waste, destroy or





                                      -7-
<PAGE>   9
endanger the Collateral nor allow it to be used in any manner other than its
intended use.  Debtor will not use any Collateral in violation of any
Governmental Requirement, or suffer it to be so used.

         Section 4.11     Collateral Separate and Distinct.  Debtor shall at
all times keep the Collateral, including proceeds, or cause it to be kept (when
in the possession of warehousemen, bailees, agents, independent contractors or
other third parties), separate and distinct from other Property.

         Section 4.12     Change in Debtor's Name or Corporate Structure.
Debtor will not change its name, identity or corporate structure (including,
without limitation, any merger, consolidation or sale of substantially all of
its assets) without notifying Secured Party of such change in writing at least
30 days prior to the effective date of such change.  Without the express
written consent of Secured Party, however, Debtor will not engage in any other
business or transaction under any name other than Debtor's name hereunder.


                                   ARTICLE V

                  RIGHTS, DUTIES, AND POWERS OF SECURED PARTY

         The following rights, duties and powers of Secured Party are
applicable irrespective of whether an Event of Default has occurred and is
continuing, but only after having given Debtor at least three (3) days prior
notice:

         Section 5.01     Attorney-in-Fact.  Secured Party is hereby fully
authorized and empowered (without the necessity of any further consent or
authorization from Debtor) and the right is expressly granted to Secured Party,
and Debtor hereby irrevocably appoints and makes Secured Party as Debtor's
attorney-in-fact, with full authority in the place and stead of Debtor and in
the name of Debtor or otherwise, from time to time in Secured Party's
discretion, but at Debtor's cost and expense to:

                 (a)      obtain, adjust, sell and cancel any insurance with
         respect to the Collateral and endorse any draft drawn by insurers of
         the Collateral, and Secured Party may apply any proceeds or unearned
         premiums of such insurance to the Obligations (whether or not due);
         and

                 (b)      take any action and to execute any assignment,
         certificate, financing statement, notification, document or instrument
         which Secured Party may deem necessary or advisable to accomplish the
         purposes of this Security Agreement, including, without limitation, to
         receive, endorse and collect all instruments made payable to Debtor
         representing any payment or other distribution in respect of the
         Collateral or any part thereof and to give full discharge for the
         same.

         Section 5.02     Transfer of Collateral.  Secured Party may transfer
any or all of the Obligations, and upon any such transfer, Secured Party may
transfer its interest in any or all of the Collateral and shall be fully
discharged thereafter from all liability therefor.  Any transferee of the
Collateral shall be vested with all rights, powers and remedies of Secured
Party hereunder.

         Section 5.03     Purchase Money Financing.  To the extent that the
Lenders have advanced or will advance funds to or for the account of Debtor to
enable Debtor to purchase or otherwise acquire specific types or items of
Collateral, the Lenders may at their option pay such funds (i) directly to the
Person from whom Debtor will make such purchase or acquire such rights or (ii)
to Debtor, in which case





                                      -8-
<PAGE>   10
Debtor covenants promptly to pay the same to such Person and forthwith furnish
to Secured Party, on request, evidence satisfactory to Secured Party that such
payment has been made from the funds so provided by Secured Party for such
payment.

         Section 5.04     Proceeds.  If so requested by Debtor, any payments
received by Secured Party on the Accounts or as proceeds of other Collateral
shall upon final collection by Secured Party be credited towards payment of the
Obligations.  In the absence of such request from Debtor, and until so
requested, Secured Party may hold such collected payments as cash Collateral
(and Secured Party may at any time place a hold or freeze on all or a part of
any deposit account of Debtor containing deposits of such payments up to the
amount of such deposits).

         Section 5.05     Discharge Encumbrances.  Secured Party may, at its
option, discharge any taxes, Liens, security interests or other encumbrances at
any time levied or placed on the Collateral, may pay for insurance on the
Collateral and may pay for the maintenance and preservation of the Collateral.
Debtor agrees to reimburse Secured Party upon demand for any payment so made,
plus interest on the portion thereof from time to time remaining unpaid from
the date of Secured Party's demand at the rate for overdue principal and
interest set forth in Section 2.06(c) of the Credit Agreement.

         Section 5.06     Disclaimer of Certain Duties.

         (a)     The powers conferred upon Secured Party by this Security
Agreement are to protect the interest of Secured Party, the Issuing Banks and
the Lenders in the Collateral and shall not impose any duty upon Secured Party,
the Issuing Banks or any Lender to exercise any such powers.  Debtor hereby
agrees that Secured Party, the Issuing Banks and the Lenders shall not be
liable for, nor shall the indebtedness evidenced by the Obligations be
diminished by, Secured Party's delay or failure to collect upon, foreclose,
sell, take possession of or otherwise obtain value for the Collateral.

         (b)     Except as provided in the Credit Agreement, Secured Party
shall be under no duty whatsoever to make or give any presentment, notice of
dishonor, protest, demand for performance, notice of non-performance, notice of
intent to accelerate, notice of acceleration, or other notice or demand in
connection with any Collateral or the Obligations, or to take any steps
necessary to preserve any rights against any Obligor, Account Debtor or other
Person.

         Section 5.07     Modification of Obligations; Other Security.  Debtor
waives (i) any and all notice of acceptance, creation, modification,
rearrangement, renewal or extension for any period of any instrument executed
by any Obligor in connection with the Obligations and (ii) any defense of any
Obligor by reason of disability, lack of authorization, cessation of the
liability of any Obligor or for any other reason.  Debtor authorizes Secured
Party, without notice or demand and without any reservation of rights against
Debtor and without affecting Debtor's liability hereunder or on the
Obligations, from time to time to (x) take and hold other Property, other than
the Collateral, as security for the Obligations, and exchange, enforce, waive
and release any or all of the Collateral, (y) apply the Collateral in the
manner permitted by this Security Agreement and (z) renew, extend for any
period, accelerate, amend or modify, supplement, enforce, compromise, settle,
waive or release the obligations of any Obligor or any instrument or agreement
of such other Person with respect to any or all of the Obligations or
Collateral.

         Section 5.08     Waiver of Notice; Demand and Presentment; etc.
Except for any notice required under the Credit Agreement, Debtor hereby waives
any demand, notice of default, notice of acceleration of the maturity of the
Obligations, notice of intent to accelerate the maturity of the Obligations,





                                      -9-
<PAGE>   11
presentment, protest and notice of dishonor as to any action taken by Secured
Party in connection with this Security Agreement, or any instrument or
document.  Debtor waives any right of marshaling in respect of any and all
Collateral, and waives any right to require Secured Party, any Issuing Bank or
any Lender to proceed against any Obligor, Account Debtor or other Person,
exhaust any Collateral or enforce any other remedy which Secured Party, any
Issuing Bank or any Lender now has or may hereafter have against any Obligor or
other Person.

         Section 5.09     Non-judicial Enforcement.  To the fullest extent
allowed by applicable law, Secured Party may enforce its rights hereunder
without prior judicial process or judicial hearing, and to the fullest extent
permitted by law Debtor expressly waives any and all legal rights which might
otherwise require Secured Party to enforce its rights by judicial process.


                                   ARTICLE VI

                               EVENTS OF DEFAULT

         Section 6.01     Events of Default.  An Event of Default under the
Credit Agreement shall constitute an "Event of Default" under this Security
Agreement.

         Section 6.02     Remedies.  Upon the occurrence and during the
continuance of any Event of Default, Secured Party may take any or all of the
following actions without notice (except where expressly required under the
Credit Agreement or below) or demand to Debtor:

                 (a)      Declare all or part of the indebtedness pursuant to
         the Obligations immediately due and payable and enforce payment of the
         same by Debtor or any Obligor.

                 (b)      Take possession of the Collateral, or at Secured
         Party's request Debtor shall, at Debtor's cost, assemble the
         Collateral and make it available at a location to be specified by
         Secured Party which is reasonably convenient to Debtor and Secured
         Party.  In any event, Debtor shall bear the risk of accidental loss or
         damage to or diminution in value of the Collateral, and Secured Party
         shall have no liability whatsoever for failure to obtain or maintain
         insurance, nor to determine whether any insurance ever in force is
         adequate as to amount or as to risk insured.

                 (c)      Sell or lease, in one or more sales or leases and in
         one or more parcels, or otherwise dispose of any or all of the
         Collateral in its then condition or in any other commercially
         reasonable manner as Secured Party may elect, in a public or private
         transaction, at any location as deemed reasonable by Secured Party
         (including, without limitation, Debtor's premises), either for cash or
         credit or for future delivery at such price as Secured Party may deem
         fair, and (unless prohibited by the Code, as adopted in any applicable
         jurisdiction) Secured Party, any Issuing Bank or any Lender may be the
         purchaser of any or all Collateral so sold and may apply upon the
         purchase price therefor any Obligations secured hereby.  Any such sale
         or transfer by Secured Party either to itself or to any other Person
         shall be absolutely free from any claim of right by Debtor, including
         any equity or right of redemption, stay or appraisal which Debtor has
         or may have under any rule of law, regulation or statute now existing
         or hereafter adopted.  Upon any such sale or transfer, Secured Party
         shall have the right to deliver, assign and transfer to the purchaser
         or transferee thereof the Collateral so sold or transferred.  It shall
         not be necessary that the Collateral or any part thereof be present at
         the location of any such sale or transfer.  Secured Party may, at its
         discretion, provide for a public sale, and any such public sale shall
         be held at





                                      -10-
<PAGE>   12
         such time or times within ordinary business hours and at such place or
         places as Secured Party may fix in the notice of such sale.  Secured
         Party shall not be obligated to make any sale pursuant to any such
         notice.  Secured Party may, without notice or publication, adjourn any
         public or private sale by announcement at any time and place fixed for
         such sale, and such sale may be made at any time or place to which the
         same may be so adjourned.  In the event any sale or transfer hereunder
         is not completed or is defective in the opinion of Secured Party, such
         sale or transfer shall not exhaust the rights of Secured Party
         hereunder, and Secured Party shall have the right to cause one or more
         subsequent sales or transfers to be made hereunder.  In the event that
         any of the Collateral is sold or transferred on credit, or to be held
         by Secured Party for future delivery to a purchaser or transferee, the
         Collateral so sold or transferred may be retained by Secured Party
         until the purchase price or other consideration is paid by the
         purchaser or transferee thereof, but in the event that such purchaser
         or transferee fails to pay for the Collateral so sold or transferred
         or to take delivery thereof, neither Secured Party, any Issuing Bank
         nor any Lender shall incur any liability in connection therewith.  If
         only part of the Collateral is sold or transferred such that the
         Obligations remain outstanding (in whole or in part), Secured Party's
         rights and remedies hereunder shall not be exhausted, waived or
         modified, and Secured Party is specifically empowered to make one or
         more successive sales or transfers until all the Collateral shall be
         sold or transferred and all the Obligations are paid.  In the event
         that Secured Party elects not to sell the Collateral, Secured Party
         retains its rights to lease or otherwise dispose of or utilize the
         Collateral or any part or parts thereof in any manner authorized or
         permitted by law or in equity, and to apply the proceeds of the same
         towards payment of the Obligations.  Each and every method of
         disposition of the Collateral described in this Section 6.02(c) or in
         Section 6.02(f) shall constitute disposition in a commercially
         reasonable manner.

                 (d)      Take possession of all books and records of Debtor
         pertaining to the Collateral.  Secured Party shall have the authority
         to enter upon any real or immoveable property or improvements thereon
         in order to obtain any such books or records, or any Collateral
         located thereon, and remove the same therefrom without liability.

                 (e)      Apply proceeds of the disposition of the Collateral
         to the Obligations in any manner elected by Secured Party and
         permitted by the Code or otherwise permitted by law or in equity.
         Such application may include, without limitation, the reasonable
         expenses of retaking, holding, preparing for sale or other
         disposition, and the reasonable attorneys' fees and legal expenses
         incurred by Secured Party, the Issuing Banks and the Lenders.

                 (f)      Appoint any Person as agent to perform any act or
         acts necessary or incident to any sale or transfer by Secured Party of
         the Collateral.  Additionally, any sale or transfer hereunder may be
         conducted by an auctioneer or any officer or agent of Secured Party.

                 (g)      Apply and set-off (i) any deposits of Debtor now or
         hereafter held by Secured Party, the Issuing Banks and the Lenders;
         (ii) all claims of Debtor against Secured Party, now or hereafter
         existing; (iii) any other Property, rights or interests of Debtor
         which come into the possession or custody or under the control of
         Secured Party; and (iv) the proceeds of any of the foregoing as if the
         same were included in the Collateral.  Secured Party agrees to notify
         Debtor promptly after any such set-off or application; provided,
         however, the failure of Secured Party to give any notice shall not
         affect the validity of such set-off or application.

                 (h)      With respect to the Collateral, receive, change the
         address for delivery, open and dispose of mail addressed to Debtor,
         and to execute, assign and endorse negotiable and other





                                      -11-
<PAGE>   13
         instruments for the payment of money, documents of title or other
         evidences of payment, shipment or storage for any form of Collateral
         on behalf of and in the name of Debtor.

                 (i)      Notify or require Debtor to notify Account Debtors
         that the Accounts have been assigned to Secured Party and direct such
         Account Debtors to make payments on the Accounts directly to Secured
         Party.  To the extent Secured Party does not so elect, Debtor shall
         continue to collect and retain the Accounts.  Secured Party or its
         designee shall also have the right, in its own name or in the name of
         Debtor, to do any of the following:  (i) to demand, collect, receipt
         for, settle, compromise any amounts due, give acquittances for,
         prosecute or defend any action which may be in relation to any monies
         due or to become due by virtue of, the Accounts; (ii) to sell,
         transfer or assign or otherwise deal in the Accounts or the proceeds
         thereof or the related goods, as fully and effectively as if Secured
         Party were the absolute owner thereof; (iii) to extend the time of
         payment of any of the Accounts, to grant waivers and make any
         allowance or other adjustment with reference thereto; (iv) to endorse
         the name of Debtor on notes, checks or other evidences of payments on
         Collateral that may come into possession of Secured Party; (v) to take
         control of cash and other proceeds of any Collateral; (vi) to sign the
         name of Debtor on any invoice or bill of lading relating to any
         Collateral, or any drafts against Account Debtors or other persons
         making payment with respect to Collateral; (vii) to send a request for
         verification of Accounts to any Account Debtor; and (viii) to do all
         other acts and things necessary to carry out the intent of this
         Agreement.
   

                 (j)      Exercise all other rights and remedies permitted by
         law or in equity.
    

         Section 6.03     Liability for Deficiency.  If any sale or other
disposition of Collateral by Secured Party or any Issuing Bank or any other
action of Secured Party, any Issuing Bank or any Lender hereunder results in
reduction of the Obligations, such action will not release Debtor from its
liability to Secured Party, the Issuing Banks and the Lenders for any unpaid
Obligations, including costs, charges and expenses incurred in the liquidation
of Collateral, together with interest thereon, and the same shall be
immediately due and payable to Secured Party at Secured Party's address set
forth on the signature page of this Security Agreement.

         Section 6.04     Reasonable Notice.  If any applicable provision of
any law requires Secured Party any Issuing Bank or any Lender to give
reasonable notice of any sale or disposition or other action, Debtor hereby
agrees that fifteen (15) days' prior written notice shall constitute reasonable
notice thereof.  Such notice, in the case of public sale, shall state the time
and place fixed for such sale and, in the case of private sale, the time after
which such sale is to be made.

         Section 6.05     Account Debtors.  Any payment or settlement of an
Account made by an Account Debtor will be, to the extent of such payment or to
the extent provided under such settlement, a release, discharge and acquittance
of the Account Debtor with respect to such Account, and Debtor shall take any
action as may be required by Secured Party in connection therewith.  No Account
Debtor on any Account will ever be bound to make inquiry as to the termination
of this Agreement or the rights of Secured Party to act hereunder, but shall be
fully protected by Debtor in making payment directly to Secured Party.





                                      -12-
<PAGE>   14
                                  ARTICLE VIII

                                 MISCELLANEOUS

         Section 7.01     Notices.  Any notice required or permitted to be
given under or in connection with this Security Agreement shall be given in
accordance with the notice provisions of the Guaranty Agreement.

         Section 7.02     Amendments and Waivers.  Secured Party's, any Issuing
Bank's or any Lender's acceptance of partial or delinquent payments or any
forbearance, failure or delay by the Secured Party in exercising any right,
power or remedy hereunder shall not be deemed a waiver of any obligation of
Debtor or any Obligor, or of any right, power or remedy of Secured Party; and
no partial exercise of any right, power or remedy shall preclude any other or
further exercise thereof.  Secured Party may remedy any Event of Default
hereunder or in connection with the Obligations without waiving the Event of
Default so remedied.  Debtor hereby agrees that if Secured Party agrees to a
waiver of any provision hereunder, or an exchange of or release of the
Collateral, or the addition or release of any Obligor, any such action shall
not constitute a waiver of any of Secured Party's other rights or of Debtor's
obligations hereunder.  This Security Agreement may be amended only by the
manner set forth in Section 8.02 of the Credit Agreement by an instrument in
writing executed jointly by Debtor and Secured Party and may be supplemented
only by documents delivered or to be delivered in accordance with the express
terms hereof.

         Section 7.03     Copy as Financing Statement.  A photocopy or other
reproduction of this Security Agreement or any financing statement covering the
Collateral is sufficient as a financing statement, and the same may be filed
with any appropriate filing authority for the purpose of perfecting Secured
Party's security interest in the Collateral.

         Section 7.04     Possession of Collateral.  Secured Party shall be
deemed to have possession of any Collateral in transit to it or set apart for
it (or, in either case, any of its agents, affiliates or correspondents).

         Section 7.05     Redelivery of Collateral.  If any sale or transfer of
Collateral by Secured Party results in full satisfaction of the Obligations,
and after such sale or transfer and discharge there remains a surplus of
proceeds, Secured Party will deliver to Debtor such excess proceeds in a
commercially reasonable time; provided, however, that neither Secured Party,
any Issuing Bank nor any Lender shall be liable for any interest, cost or
expense in connection with any delay in delivering such proceeds to Debtor.

         Section 7.06     Governing Law; Jurisdiction.  This Security Agreement
and the security interest granted hereby shall be construed in accordance with
and governed by the laws of the State of Texas (except to the extent that the
laws of any other jurisdiction govern the perfection and priority of the
security interests granted hereby).  Debtor consents to and submits to in
personam jurisdiction and venue in the state district and county courts of the
county wherein Secured Party's offices are located at the address specified on
the signature page hereof, and in the Federal District Courts of the district
wherein such offices of Secured Party are located.  This submission to
jurisdiction is nonexclusive and does not preclude Secured Party, any Issuing
Bank or any Lender from obtaining jurisdiction over Debtor or the Collateral in
any court otherwise having jurisdiction.





                                      -13-
<PAGE>   15
         Section 7.07     Cumulative and Other Rights.  The rights, powers and
remedies of Secured Party hereunder are in addition to all rights, powers and
remedies given by law or in equity.  The exercise by Secured Party, any Issuing
Bank or any Lender of any one or more of the rights, powers and remedies herein
shall not be construed as a waiver of any other rights, powers and remedies,
including, without limitation, any other rights of set-off.  If any of the
Obligations are given in renewal, extension for any period or rearrangement, or
applied toward the payment of debt secured by any lien, Secured Party shall be,
and is hereby, subrogated to all the rights, titles, interests and liens
securing the debt so renewed, extended, rearranged or paid.

         Section 7.08     Subrogation.  Until the Obligations have been paid in
full, Debtor hereby waives any claim, right or remedy which Debtor may now have
or hereafter acquire against the Company which arises out of this Security
Agreement or from the performance by Debtor hereunder, including without
limitation, any claim, remedy or right of subrogation, reimbursement,
exoneration, indemnification, or participation in any such claim, right or
remedy of any other Person against the Company; provided, however,
notwithstanding the foregoing, Debtor reserves its rights of contribution and
reimbursement, if any, from any Obligor.  Until the Obligations have been paid
in full, Debtor further waives any benefit of any right to participate in any
security now or hereafter held by Secured Party, the Issuing Banks and/or the
Lenders.

         Section 7.09     Continuing Security Agreement.

         (a)     This Security Agreement shall constitute a continuing security
agreement, and all representations and warranties, covenants and agreements
shall, as applicable, apply to all future as well as existing transactions.
Provisions of this Security Agreement, unless they are by their terms
exclusive, shall be in addition to other agreements between the parties.

         (b)     Except as may be expressly applicable pursuant to Section
9.505 of the Code, no action taken or omission to act by Secured Party, the
Issuing Banks or the Lenders hereunder, including, without limitation, any
action taken or inaction pursuant to Section 6.02, shall be deemed to
constitute a retention of the Collateral in satisfaction of the Obligations or
otherwise to be in full satisfaction of the Obligations, and the Obligations
shall remain in full force and effect, until Secured Party, the Issuing Banks
and the Lenders shall have applied payments (including, without limitation,
collections from Collateral) towards the Obligations in the full amount then
outstanding or until such subsequent time as is hereinafter provided in
subsection (c) below.

         (c)     To the extent that any payments on the Obligations or proceeds
of the Collateral are subsequently invalidated, declared to be fraudulent or
preferential, set aside or required to be repaid to a trustee, debtor in
possession, receiver or other Person under any bankruptcy law, common law or
equitable cause, then to such extent the Obligations so satisfied shall be
revived and continue as if such payment or proceeds had not been received by
Secured Party, the Issuing Banks or the Lenders, and Secured Party's, the
Issuing Banks' and the Lenders' security interests, rights, powers and remedies
hereunder shall continue in full force and effect.  In such event, this
Security Agreement shall be automatically reinstated if it shall theretofore
have been terminated pursuant to Section 7.10.

         (d)     In the event that the Obligations are structured such that
there are times when no Indebtedness is owing thereunder, this Security
Agreement shall remain valid and in full force and effect as to all subsequent
indebtedness included in the Obligations, provided Secured Party has not in the
interim period executed a written release or termination statement or returned
possession of or reassigned the Collateral to Debtor.





                                      -14-
<PAGE>   16
         Section 7.10     Termination.  The grant of a security interest
hereunder and all of Secured Party's, the Issuing Banks' and the Lenders'
rights, powers and remedies in connection therewith shall remain in full force
and effect until Secured Party has retransferred and delivered all Collateral
in its possession to Debtor, and executed a written release or termination
statement and reassigned to Debtor without recourse or warranty any remaining
Collateral and all rights conveyed hereby.  Upon the complete payment of the
Obligations and the compliance by Debtor with all covenants and agreements
hereof, Secured Party, at the written request and expense of Debtor, will
release, reassign and transfer the Collateral to Debtor and declare this
Security Agreement to be of no further force or effect.  Notwithstanding the
foregoing, the provisions of Section 7.09(c) shall survive the termination of
this Security Agreement.

         Section 7.11     Counterparts, Effectiveness.  This Security Agreement
may be executed in two or more counterparts.  Each counterpart is deemed an
original, but all such counterparts taken together constitute one and the same
instrument.  This Security Agreement becomes effective upon the execution
hereof by Debtor and delivery of the same to Secured Party, and it is not
necessary for Secured Party, the Issuing Banks or any Lender to execute any
acceptance hereof or otherwise signify or express its acceptance hereof.

         Section 7.12     Headings Descriptive.  All titles or headings to
articles, sections, subsections or other divisions of this Security Agreement
or the exhibits hereto are only for the convenience of the parties and shall
not be construed to have any effect or meaning with respect to the other
content of such articles, sections, subsections or other divisions, such other
content being controlling as to the agreement between the parties hereto.

         Section 7.13     Delivery of Copy/Waiver.  The Debtor hereby
acknowledges receiving a copy of this Security Agreement.  The Debtor waives
all rights to receive from the Secured Party a copy of any financing statement
or financing change statement filed or registered or verification statement
issued at any time in respect of this Security Agreement.





                                      -15-
<PAGE>   17
DEBTOR:                                 TESORO ALASKA PETROLEUM COMPANY


                                        By: /s/ William T. VanKleef
                                            ----------------------------------
                                        Name:  William T. VanKleef
                                        Title:    Vice President and Treasurer


                                        Address of Chief Executive Office and
                                        Location of the Collateral:

                                        8700 Tesoro Drive
                                        San Antonio, Texas  78217
                                        

SECURED PARTY:                          TEXAS COMMERCE BANK NATIONAL
                                        ASSOCIATION, AS AGENT


                                        By: /s/ P. Stan Burge
                                           -----------------------------------
                                        Name:  P. Stan Burge
                                        Title:    Vice President
                                        
                                        Address:
                                        
                                        712 Main Street
                                        Houston, Texas  77002
                                        
                          
                          
                          





                                      -16-
<PAGE>   18
                              FINANCING STATEMENT


         This Financing Statement is presented to a filing officer for filing
pursuant to the Uniform Commercial Code.

1.       The name and address of the Debtor is:

         TESORO ALASKA PETROLEUM COMPANY
         8700 Tesoro Drive
         San Antonio, Texas  78217
         Federal Tax Identification No.: 74-1646130

2.       The name and address of the Secured Party is:

         TEXAS COMMERCE BANK NATIONAL ASSOCIATION, as Agent
         712 Main Street
         Houston, Texas   77002
         Federal Tax Identification No.: 74-0800980

3.       This Financing Statement covers the following Collateral:

                 (a)      all of Debtor's accounts and inventory;

                 (b)      (i) any property from time to time delivered to or
         deposited with Secured Party by or for the account of Debtor which is
         related to any property referred to in clause (a) of this item 3; and
         (ii) all certificates of title or other documents evidencing ownership
         or possession of or otherwise relating to any property referred to in
         clause (a) of this item 3;

                 (c)      (i) all goods which were at any time included in the
         Collateral described in clause (a) of this item 3 and which are
         returned to or for the account of Debtor following their sale, lease
         or other disposition; (ii), all policies of insurance (whether or not
         required by Secured Party) covering any property referred to in this
         item 3; and (iii),  all proceeds, products, replacements, additions
         to, substitutions for, accessions of, and property necessary for the
         operation of any of the property referred to in this item 3,
         including, without limitation, insurance payable as a result of loss
         or damage to any of the property referred to in this item 3, refunds
         of unearned premiums of any such insurance policy and claims against
         third parties;

                 (d)      all books and records related to any of the property
         referred to in this item 3, including, without limitation, any and all
         books of account, customer lists and other records relating in any way
         to the Collateral described in this item 3; 

   

             (e)      all of Debtor's general intangibles which are related
         (but only those related) to any property referred to in this item 3,
         including, without limitation, all (i) letters of credit, bonds,
         guaranties, purchase or sales agreements and other contractual rights,
         rights to performance, and claims for damages, refunds (including tax
         refunds) or other monies due or to become due; (ii) orders,
         franchises, permits, certificates, licenses, consents, exemptions,
         variances, authorizations or other approvals by any governmental
         authority; (iii) business records, computer tapes and computer
         software; and (iv) other intangible personal property, whether


    

<PAGE>   19
    
        
   

         similar or dissimilar to the other property described or referred to
         in clause (a) of this item 3; and
  
    
                 (f)      all of Debtor's chattel paper, documents and
         instruments related to or arising out of any property referred to in
         clause (a) of this item 3.

         The Collateral shall not include and shall be exclusive of any
equipment.


DEBTOR:                                 TESORO ALASKA PETROLEUM COMPANY



                                        By: /s/ William T. VanKleef
                                            -----------------------------------
                                        Name:  William T. VanKleef
                                        Title: Vice President and Treasurer





                         
                         
                         





                                      -2-

<PAGE>   1
                                                                EXHIBIT 10.8




                               SECURITY AGREEMENT

                                   (Accounts)



                                    Between

                     TESORO PETROLEUM DISTRIBUTING COMPANY

                                      and

                   TEXAS COMMERCE BANK NATIONAL ASSOCIATION,
                                    AS AGENT



                                 April 20, 1994
<PAGE>   2
                               SECURITY AGREEMENT

                                    ACCOUNTS

         THIS SECURITY AGREEMENT is made as of April 20, 1994, between TESORO
PETROLEUM DISTRIBUTING COMPANY, a Louisiana corporation ("Debtor"), and TEXAS
COMMERCE BANK NATIONAL ASSOCIATION, a national banking association, as Agent
("Secured Party"), for itself, the Issuing Banks and the Lenders.

                                    RECITALS

         A.      On even date herewith, Tesoro Petroleum Corporation (the
"Company"), Texas Commerce Bank National Association, individually, as Agent
and as an Issuing Bank, Banque Paribas, individually, as Co-Agent and as an
Issuing Bank, and the other financial institutions parties thereto entered into
a Credit Agreement (as amended from time to time, the "Credit Agreement").

         B.      The conditions precedent to the effectiveness of the Credit
Agreement and the obligations of the Lenders to make the initial Loans and the
Issuing Banks to issue Letters of Credit thereunder, include the execution and
delivery by Debtor of this Security Agreement, and Debtor has agreed to enter
into this Security Agreement.

         C.      Therefore, (i) in order to comply with the terms and
conditions of the Credit Agreement, (ii) to induce the Lenders at any time from
time to time to loan monies and the Issuing Banks to issue Letters of Credit,
with or without security to or for the account of the Company in accordance
with the terms of the Credit Agreement, (iii) at the special insistence and
request of the Agent, the Issuing Banks and the Lenders, and (iv) for other
good and valuable consideration, the receipt and sufficiency of which are
hereby acknowledged, Debtor hereby agrees with Secured Party as follows:


                                   ARTICLE I

                                  DEFINITIONS

         Section 1.01     Terms Defined Above.  As used in this Security
Agreement, the terms "Company,"  "Credit Agreement," "Debtor" and "Secured
Party" shall have the meanings respectively assigned to them.

         Section 1.02     Certain Definitions.  As used in this Security
Agreement, the following terms shall have the following meanings, unless the
context otherwise requires:

                "Accounts" shall mean all accounts (as such term is defined 
         in the Code).

                 "Account Debtor" shall mean any Person liable (whether
         directly or indirectly, primarily or secondarily) for the payment or
         performance of any obligations included in the Collateral, whether as
         an account debtor (as defined in the Code), obligor on an instrument,
         issuer of documents or securities, guarantor or otherwise.

                 "Code" shall mean the Uniform Commercial Code as presently in
         effect in the State of Texas, Texas Business and Commerce Code,
         Chapters 1 through 9.
<PAGE>   3
                 "Collateral" shall mean the following types or items of
         Property (including Property hereafter acquired by Debtor as well as
         Property which Debtor now owns or in which Debtor has rights):

                 (a)      all of Debtor's Accounts;

                 (b)      any Property from time to time delivered to or
         deposited with Secured Party by or for the account of Debtor which is
         related to any Property referred to in this definition;

                 (c)      all proceeds, replacements, additions to and
         substitutions for any of the Property referred to in this definition
         and claims against third parties;

                 (d)      all books and records related to any of the Property
         referred to in this definition, including, without limitation, any and
         all books of account, customer lists and other records relating in any
         way to the Collateral described in this definition;

                 (e)      all of Debtor's general intangibles (as defined in
         the Code) which are related (but only those related) to any Property
         referred to in this definition, including, without limitation, all (i)
         letters of credit, bonds, guaranties, purchase or sales agreements and
         other contractual rights, rights to performance, and claims for
         damages, refunds (including tax refunds) or other monies due or to
         become due; (ii) orders, franchises, permits, certificates, licenses,
         consents, exemptions, variances, authorizations or other approvals by
         any Governmental Authority; (iii) business records, computer tapes and
         computer software; and (iv) other intangible personal property,
         whether similar or dissimilar to the Property referred to in clause
         (a) of this definition; and

                 (f)      all of Debtor's chattel paper, documents and
         instruments (as such terms are defined in the Code) related to or
         arising out of any Property referred to in this definition.

                 It is expressly contemplated that additional Property may from
         time to time be pledged, assigned or granted to Secured Party as
         additional security for the Obligations, and, if so, then the term
         "Collateral" as used herein shall be deemed for all purposes hereof to
         include all such additional Property, together with all other Property
         of the types described above related thereto.  It is expressly agreed
         that Collateral shall not include and shall be exclusive of any
         equipment.

         "Event of Default" shall have the meaning assigned such term in
Section 6.01 of this Security Agreement.


                 "Obligations" shall mean with respect to the Debtor, the
         Obligations (as defined in the Guaranty Agreement) to the extent the
         Debtor is liable therefor as provided in the Guaranty Agreement.  The
         Obligations are Senior Debt as such term is defined in that certain
         Subordination Agreement dated December 15, 1992 among the Company,
         Tesoro Alaska Petroleum Company and the State of Alaska attached to
         the Settlement Agreement among the Company, Tesoro Alaska Petroleum
         Company and the State of Alaska.

                 "Obligor" shall mean the Company and any other Person, other
         than Debtor, liable (whether directly or indirectly, primarily or
         secondarily) for the payment or performance of any of the Obligations
         whether as maker, co-maker, endorser, guarantor, accommodation party,



                                             -2-
<PAGE>   4
         general partner or otherwise; and the term "Obligor" shall
         specifically include each Guarantor, other than Debtor, named in the
         Credit Agreement.


                 "Property" shall mean any interest in any kind of property or
         asset, whether real, personal or mixed, or tangible or intangible.

                 "Security Agreement" shall mean this Security Agreement, as
         the same may be amended, modified or supplemented from time to time.

         Section 1.03     Other Defined Terms.  Unless otherwise defined 
herein, all terms beginning with a capital letter which are defined in
the Credit Agreement shall have the meanings assigned therein, unless the
context hereof requires otherwise.  All uncapitalized terms which are defined
in the Code shall have their respective meanings as used in the Code, unless
the context hereof requires otherwise.


                                   ARTICLE II

                               SECURITY INTEREST

         Section 2.01     Grant of Security Interest.  Debtor hereby assigns
and grants to Secured Party, for its benefit and the benefit of the Lenders and
the Issuing Banks, a security interest in, lien upon and right of set-off
against the Collateral to secure the prompt payment and performance of the
Obligations.


                                  ARTICLE III

                         REPRESENTATIONS AND WARRANTIES

         Debtor represents and warrants to Secured Party, the Issuing Banks and
the Lenders (which representations and warranties will survive the creation and
payment of the Obligations) that:

         Section 3.01     First Priority Security Interest.  The grant of the
security interest in the Collateral pursuant to this Security Agreement creates
a valid and perfected first priority security interest in the Collateral,
enforceable against Debtor and all third parties and securing payment of the
Obligations.

         Section 3.02     No Filings By Third Parties.  No financing statement
or other public notice or recording covering the Collateral is on file in any
public office (other than any financing statement or other public notice or
recording naming Secured Party as the secured party therein), and Debtor will
not execute any such financing statement or other public notice or recording so
long as any of the Obligations are outstanding.

         Section 3.03     No Name Changes; Federal Tax Identification Number.
Debtor has not, during the preceding five years, entered into any contract,
agreement, security instrument or other document using a name other than, or 
been known by or otherwise used any name other than, the name used by Debtor 
herein.  Debtor's federal tax identification number is 74-1268973.

         Section 3.04     Location of Debtor.  Debtor's chief executive office
and Debtor's records concerning the Collateral are located at the address or
location set forth on the signature page hereof.


                                   -3-
<PAGE>   5
         Section 3.05     Collateral.  All statements or other information
provided by Debtor to Secured Party, any Issuing Bank or any Lender with
respect to the Collateral is or (in the case of subsequently furnished
information) will be when provided correct and complete in all material
respects.  The delivery at any time by Debtor to Secured Party of additional
Collateral or of additional descriptions of Collateral shall constitute a
representation and warranty by Debtor to Secured Party hereunder that the
representations and warranties of this Article III are correct insofar as they
would pertain to such Collateral or the descriptions thereof.

         Section 3.06     Accounts.

         (a)     Each Account represents the genuine, valid and legally
enforceable indebtedness of an Account Debtor arising from the sale, lease or
rendition by Debtor of goods or services and is not and will not be subject to
contra accounts, set-offs, defenses, counterclaims, allowances or adjustments
(other than discounts for prompt payment shown on the invoice), or objections
or complaints by the Account Debtor concerning its liability on the Account;
and any goods, the sale of which gave rise to an Account, have not been
returned or rejected by the Account Debtor or lost or damaged prior to receipt
by the Account Debtor.

         (b)     The amount shown as to each Account on Debtor's books is or
will be the true and undisputed amount owing and unpaid thereon.  Except as
disclosed in writing to Secured Party, each Account arose or shall have arisen
in the ordinary course of Debtor's business; provided, however, that any
Accounts which arose or hereafter arise outside the ordinary course of Debtor's
business shall nevertheless be included as part of the Collateral.  Debtor has
no knowledge of any bankruptcy, insolvency or other action affecting creditors'
rights with respect to any Account Debtor.

         (c)     Except as disclosed in writing to Secured Party, each invoice
or agreement evidencing the Accounts is or will be due and payable not more
than 90 days from the date thereof; provided, however, that any Accounts not so
due and payable shall nevertheless be included as part of the Collateral.

         Section 3.07     Delivery of Documents or Letters of Credit.  With
respect to any Accounts or other Collateral supported by letters of credit,
each of such letters of credit has been delivered to Secured Party (provided,
however, that all letters of credit referred to in Section 1.02 shall be
subject to the security interest created by this Security Agreement
irrespective of whether or not such delivery shall have been made).

         Section 3.08     Ownership of Collateral; Encumbrances; Valid and
Binding Agreement.  Debtor is the legal and beneficial owner of the Collateral
free and clear of any adverse claim, lien, security interest, option or other
charge or encumbrance except for the security interest created by this
Agreement, and Debtor has full right, power and authority to assign and grant a
security interest in the Collateral to Secured Party.  This Agreement
constitutes a legal, valid and binding obligation of Debtor enforceable against
Debtor in accordance with its terms.  The execution, delivery and
performance of this Agreement will not violate the terms of any contract,
agreement, law, regulation, order, injunction, judgment, decree or writ to
which Debtor is subject and does not require the consent or approval of any
other Person.

         Section 3.09     No Required Consent.  No authorization, consent,
approval or other action by, and no notice to or filing with, any governmental
authority or regulatory body (other than the filing of financing statements) is
required for (i) the due execution, delivery and performance by Debtor of this
Agreement, (ii) the grant by Debtor of the security interest granted by this
Agreement, (iii) the perfection 


                                      -4-
<PAGE>   6
of such security interest or (iv) the exercise
by Secured Party of its rights and remedies under this Agreement.


                                   ARTICLE IV

                            COVENANTS AND AGREEMENTS

         Debtor covenants and agrees that so long as any part of the
Obligations are outstanding:

         Section 4.01     Change in Location of Collateral or Debtor.  Debtor
will give Secured Party 30 days' prior written notice of (i) the opening or
closing of any place of Debtor's business or (ii) any change in the location of
Debtor's chief executive office or address.

         Section 4.02     Intentionally left blank.

         Section 4.03     Delivery of Letters of Credit and Instruments;
Proceeds.  Debtor will deliver each letter of credit, if any, included in the
Collateral to Secured Party, in each case forthwith upon receipt by or for the
account of Debtor.  If any Account becomes evidenced by a promissory note,
trade acceptance or any other instrument for the payment of money (other than
checks or drafts in payment of Accounts collected by Debtor in the ordinary
course of business prior to notification by Secured Party under Section 5.04),
Debtor will immediately deliver such instrument to Secured Party appropriately
endorsed to Secured Party, as collateral assignee and, regardless of the form
of presentment, demand, notice of dishonor, protest and notice of protest with
respect thereto, Debtor will remain liable thereon until such instrument is
paid in full.  Except as permitted by Sections 4.03 and 4.09, Debtor will
deliver to Secured Party all proceeds from the sale or other disposition of the
Collateral promptly upon receipt.  If chattel paper, documents or instruments
are received as proceeds, which are required to be delivered to Secured Party,
they will be, immediately upon receipt, properly endorsed or assigned and
delivered to Secured Party as Collateral.

         Section 4.04     Sale, Disposition or Encumbrance of Collateral.
Except with the prior written consent of the Majority Lenders, Debtor will not
in any way encumber any of the Collateral (or permit or suffer any of the
Collateral to be encumbered) or sell, assign, lend, rent, lease or otherwise
dispose of or transfer any of the Collateral to or in favor of any Person other
than Secured Party.

         Section 4.05     Intentionally left blank.

         Section 4.06     Records and Information.

         (a)     Debtor shall keep accurate and complete records of the
Collateral (including proceeds).  These records shall reflect all facts
concerning each Account.  Secured Party may at any time have access to, 
examine, audit, make extracts from and inspect without hindrance or delay 
Debtor's records, files and the Collateral.

         (b)     Debtor will promptly furnish such information as Secured Party
may from time to time reasonably request regarding (i) the business, affairs or
financial condition of Debtor or (ii) the Collateral or Secured Party's rights
or remedies with respect thereto.  Any balance sheets or financial statements
requested by Secured Party pursuant to this Section 4.06(b) shall conform to
generally accepted accounting principles.

                                  -5-
<PAGE>   7
         (c)     Debtor recognizes that financing statements pertaining to the
Collateral will be filed with the offices of the Parish Clerk of Bienville
Parish, Louisiana, the Secretary of State of Texas, the Alaska Department of
Natural Resources, the Secretary of State of California, the Secretary of State
of Oregon and the Department of Licensing of the State of Washington.  Debtor
will immediately notify Secured Party of any condition or event that may change
the proper location for the filing of any financing statements or other public
notice or recordings for the purpose of perfecting a security interest in the
Collateral.  Without limiting the generality of the foregoing, Debtor will (i)
immediately notify Secured Party of any change to a jurisdiction other than as
represented in Section 3.04 (A) in the location of Debtor's chief executive
office or chief place of business, (B) in the location of the office where
Debtor keeps its records concerning the Accounts, or (C) in the "location" of
Debtor within the meaning of Section 9-103(c) of the Code; and (ii) notify
Secured Party 30 days prior to any change in Debtor's name, identity or
corporate structure or Tax Identification Number.  In any notice furnished
pursuant to this paragraph, Debtor will expressly state that the notice is
required by this Security Agreement and contains facts that will or may require
additional filings of financing statements or other notices for the purpose of
continuing perfection of Secured Party's security interest in the Collateral.
Debtor will promptly provide written notice to Secured Party of all information
which in any way relates to or affects the Collateral generally, Secured
Party's rights or remedies with respect thereto, the filing of any financing
statement or other public notices or recordings, or the delivery and possession
of items of Collateral for the purpose of perfecting a security interest in the
Collateral.

         Section 4.07     Further Assurances.  Upon the request of Secured
Party, Debtor shall (at Debtor's expense) execute and deliver all such
assignments, certificates, financing statements or other documents and give
further assurances and do all other acts and things as Secured Party may
reasonably request to perfect Secured Party's interest in the Collateral or to
protect, enforce or otherwise effect Secured Party's rights and remedies
hereunder.

         Section 4.08     Intentionally left blank.

         Section 4.09     Accounts.

         (a)     Prior to notification by Secured Party under Section 6.02(i),
Debtor will collect the Accounts in the ordinary course of its business and may
retain the proceeds of such collections (subject to Section 4.03).

         (b)     Debtor shall immediately notify Secured Party in writing in
the event that any representation given in Article III with respect to any
Account ceases to be true and correct in all material respects; such notice
specifying other representation(s) that cease to be true and correct and the
action, if any, that Debtor proposes to take with respect thereto.

         (c)     Debtor will not modify, extend or substitute any contract, the
terms of which shall at any time have given rise to an Account, except in the
ordinary course of business or with the prior written consent of Secured Party.
Debtor will not re-date any invoice or sale or make sales with an extended
payment date beyond that customary in the industry, and in no event longer than
90 days.  Debtor shall not adjust, settle, discount or compromise any of the
Accounts, except in the ordinary course of business or with the prior written
consent of Secured Party.

         (d)     Debtor will duly perform or cause to be performed all of
Debtor's obligations with respect to the Accounts and the underlying sales of
goods or other transactions giving rise to the Accounts.


                                  -6-
<PAGE>   8

         Section 4.10     Condition of Collateral.  Debtor will maintain all
Collateral in good condition and in accordance with industry standards and
practices.  Debtor will not misuse, abuse, waste, destroy or endanger the
Collateral nor allow it to be used in any manner other than its intended use.
Debtor will not use any Collateral in violation of any Governmental
Requirement, or suffer it to be so used.

         Section 4.11     Collateral Separate and Distinct.  Debtor shall at
all times keep the Collateral, including proceeds, or cause it to be kept (when
in the possession of warehousemen, bailees, agents, independent contractors or
other third parties), separate and distinct from other Property.

         Section 4.12     Change in Debtor's Name or Corporate Structure.
Debtor will not change its name, identity or corporate structure (including,
without limitation, any merger, consolidation or sale of substantially all of
its assets) without notifying Secured Party of such change in writing at least
30 days prior to the effective date of such change.  Without the express
written consent of Secured Party, however, Debtor will not engage in any other
business or transaction under any name other than Debtor's name hereunder.


                                   ARTICLE V

                  RIGHTS, DUTIES, AND POWERS OF SECURED PARTY

         The following rights, duties and powers of Secured Party are
applicable irrespective of whether an Event of Default has occurred and is
continuing, but only after having given Debtor at least three (3) days prior
notice:

         Section 5.01     Attorney-in-Fact.  Secured Party is hereby fully
authorized and empowered (without the necessity of any further consent or
authorization from Debtor) and the right is expressly granted to Secured Party,
and Debtor hereby irrevocably appoints and makes Secured Party as Debtor's
attorney-in-fact, with full authority in the place and stead of Debtor and in
the name of Debtor or otherwise, from time to time in Secured Party's
discretion, but at Debtor's cost and expense, to take any action and to execute
any assignment, certificate, financing statement, notification, document or
instrument which Secured Party may deem necessary or advisable to accomplish
the purposes of this Security Agreement, including, without limitation, to
receive, endorse and collect all instruments made payable to Debtor
representing any payment or other distribution in respect of the Collateral or
any part thereof and to give full discharge for the same.

         Section 5.02     Transfer of Collateral.  Secured Party may transfer
any or all of the Obligations, and upon any such transfer, Secured Party may
transfer its interest in any or all of the Collateral and shall be fully
discharged thereafter from all liability therefor.  Any transferee of the
Collateral shall be vested with all rights, powers and remedies of Secured
Party hereunder.

         Section 5.03     Purchase Money Financing.  To the extent that the
Lenders have advanced or will advance funds to or for the account of Debtor to
enable Debtor to purchase or otherwise acquire specific types or items of
Collateral, the Lenders may at their option pay such funds (i) directly to the
Person from whom Debtor will make such purchase or acquire such rights or (ii)
to Debtor, in which case Debtor covenants promptly to pay the same to such
Person and forthwith furnish to Secured Party, on request, evidence
satisfactory to Secured Party that such payment has been made from the funds so
provided by Secured Party for such payment.

         
                                   -7-
<PAGE>   9
         Section 5.04     Proceeds.  If so requested by Debtor, any payments
received by Secured Party on the Accounts or as proceeds of other Collateral
shall upon final collection by Secured Party be credited towards payment of the
Obligations.  In the absence of such request from Debtor, and until so
requested, Secured Party may hold such collected payments as cash Collateral
(and Secured Party may at any time place a hold or freeze on all or a part of
any deposit account of Debtor containing deposits of such payments up to the
amount of such deposits).

         Section 5.05     Discharge Encumbrances.  Secured Party may, at its
option, discharge any taxes, Liens, security interests or other encumbrances at
any time levied or placed on the Collateral, may pay for insurance on the
Collateral and may pay for the maintenance and preservation of the Collateral.
Debtor agrees to reimburse Secured Party upon demand for any payment so made,
plus interest on the portion thereof from time to time remaining unpaid from
the date of Secured Party's demand at the rate for overdue principal and
interest set forth in Section 2.06(c) of the Credit Agreement.

         Section 5.06     Disclaimer of Certain Duties.

         (a)     The powers conferred upon Secured Party by this Security
Agreement are to protect the interest of Secured Party, the Issuing Banks and
the Lenders in the Collateral and shall not impose any duty upon Secured Party,
the Issuing Banks or any Lender to exercise any such powers.  Debtor hereby
agrees that Secured Party, the Issuing Banks and the Lenders shall not be
liable for, nor shall the indebtedness evidenced by the Obligations be
diminished by, Secured Party's delay or failure to collect upon, foreclose,
sell, take possession of or otherwise obtain value for the Collateral.

         (b)     Except as provided in the Credit Agreement, Secured Party
shall be under no duty whatsoever to make or give any presentment, notice of
dishonor, protest, demand for performance, notice of non-performance, notice of
intent to accelerate, notice of acceleration, or other notice or demand in
connection with any Collateral or the Obligations, or to take any steps
necessary to preserve any rights against any Obligor, Account Debtor or other
Person.

         Section 5.07     Modification of Obligations; Other Security.  Debtor
waives (i) any and all notice of acceptance, creation, modification,
rearrangement, renewal or extension for any period of any instrument executed
by any Obligor in connection with the Obligations and (ii) any defense of any
Obligor by reason of disability, lack of authorization, cessation of the
liability of any Obligor or for any other reason.  Debtor authorizes Secured
Party, without notice or demand and without any reservation of rights against
Debtor and without affecting Debtor's liability hereunder or on the
Obligations, from time to time to (x) take and hold other Property, other than
the Collateral, as security for the Obligations, and exchange, enforce, waive
and release any or all of the Collateral, (y) apply the Collateral in the
manner permitted by this Security Agreement and (z) renew, extend for any
period, accelerate, amend or modify, supplement, enforce, compromise, settle,
waive or release the obligations of any Obligor or any instrument or agreement
of such other Person with respect to any or all of the Obligations or
Collateral.

         Section 5.08     Waiver of Notice; Demand and Presentment; etc.
Except for any notice required under the Credit Agreement, Debtor hereby waives
any demand, notice of default, notice of acceleration of the maturity of the
Obligations, notice of intent to accelerate the maturity of the Obligations,
presentment, protest and notice of dishonor as to any action taken by Secured
Party in connection with this Security Agreement, or any instrument or
document.  Debtor waives any right of marshaling in respect of any and all
Collateral, and waives any right to require Secured Party, any Issuing Bank or
any Lender to proceed against any Obligor, Account Debtor or other Person,
exhaust any Collateral or 


                                 -8-
<PAGE>   10
enforce any other remedy which Secured Party, any Issuing Bank or any 
Lender now has or may hereafter have against any Obligor or other Person.

         Section 5.09     Non-judicial Enforcement.  To the fullest extent
allowed by applicable law, Secured Party may enforce its rights hereunder
without prior judicial process or judicial hearing, and to the fullest extent
permitted by law Debtor expressly waives any and all legal rights which might
otherwise require Secured Party to enforce its rights by judicial process.


                                   ARTICLE VI

                               EVENTS OF DEFAULT

         Section 6.01     Events of Default.  An Event of Default under the
Credit Agreement shall constitute an "Event of Default" under this Security
Agreement.

         Section 6.02     Remedies.  Upon the occurrence and during the
continuance of any Event of Default, Secured Party may take any or all of the
following actions without notice (except where expressly required under the
Credit Agreement or below) or demand to Debtor:

         (a)     With respect to Collateral not located in Louisiana.

                 (i)      Declare all or part of the indebtedness pursuant to
         the Obligations immediately due and payable and enforce payment of the
         same by Debtor or any Obligor.

                 (ii)     Take possession of the Collateral, or at Secured
         Party's request Debtor shall, at Debtor's cost, assemble the
         Collateral and make it available at a location to be specified by
         Secured Party which is reasonably convenient to Debtor and Secured
         Party.  In any event, Debtor shall bear the risk of accidental loss or
         damage to or diminution in value of the Collateral, and Secured Party
         shall have no liability whatsoever for failure to obtain or maintain
         insurance, nor to determine whether any insurance ever in force is
         adequate as to amount or as to risk insured.

                 (iii)    Sell or lease, in one or more sales or leases and in
         one or more parcels, or otherwise dispose of any or all of the
         Collateral in its then condition or in any other commercially 
         reasonable manner as Secured Party may elect, in a public
         or private transaction, at any location as deemed reasonable by
         Secured Party (including, without limitation, Debtor's premises),
         either for cash or credit or for future delivery at such price as
         Secured Party may deem fair, and (unless prohibited by the Code, as
         adopted in any applicable jurisdiction) Secured Party, any Issuing
         Bank or any Lender may be the purchaser of any or all Collateral so
         sold and may apply upon the purchase price therefor any Obligations
         secured hereby.  Any such sale or transfer by Secured Party either to
         itself or to any other Person shall be absolutely free from any claim
         of right by Debtor, including any equity or right of redemption, stay
         or appraisal which Debtor has or may have under any rule of law,
         regulation or statute now existing or hereafter adopted.  Upon any
         such sale or transfer, Secured Party shall have the right to deliver,
         assign and transfer to the purchaser or transferee thereof the
         Collateral so sold or transferred.  It shall not be necessary that the
         Collateral or any part thereof be present at the location of any such
         sale or transfer.  Secured Party may, at its discretion, provide for a
         public sale, and any such public sale shall be held at such time or
         times within ordinary business hours and at such place or places as
         Secured Party may fix in the notice of such sale.  Secured Party shall
         not be obligated to make any sale 
         
         
                                     -9-
<PAGE>   11
         pursuant to any such notice.
         Secured Party may, without notice or publication, adjourn any public
         or private sale by announcement at any time and place fixed for such
         sale, and such sale may be made at any time or place to which the same
         may be so adjourned.  In the event any sale or transfer hereunder is
         not completed or is defective in the opinion of Secured Party, such
         sale or transfer shall not exhaust the rights of Secured Party
         hereunder, and Secured Party shall have the right to cause one or more
         subsequent sales or transfers to be made hereunder.  In the event that
         any of the Collateral is sold or transferred on credit, or to be held
         by Secured Party for future delivery to a purchaser or transferee, the
         Collateral so sold or transferred may be retained by Secured Party
         until the purchase price or other consideration is paid by the
         purchaser or transferee thereof, but in the event that such purchaser
         or transferee fails to pay for the Collateral so sold or transferred
         or to take delivery thereof, neither Secured Party, any Issuing Bank
         nor any Lender shall incur any liability in connection therewith.  If
         only part of the Collateral is sold or transferred such that the
         Obligations remain outstanding (in whole or in part), Secured Party's
         rights and remedies hereunder shall not be exhausted, waived or
         modified, and Secured Party is specifically empowered to make one or
         more successive sales or transfers until all the Collateral shall be
         sold or transferred and all the Obligations are paid.  In the event
         that Secured Party elects not to sell the Collateral, Secured Party
         retains its rights to lease or otherwise dispose of or utilize the
         Collateral or any part or parts thereof in any manner authorized or
         permitted by law or in equity, and to apply the proceeds of the same
         towards payment of the Obligations.  Each and every method of
         disposition of the Collateral described in this Section 6.02(c) or in
         Section 6.02(f) shall constitute disposition in a commercially
         reasonable manner.

                 (iv)     Take possession of all books and records of Debtor
         pertaining to the Collateral.  Secured Party shall have the authority
         to enter upon any real or immoveable property or improvements thereon
         in order to obtain any such books or records, or any Collateral
         located thereon, and remove the same therefrom without liability.

                 (v)      Apply proceeds of the disposition of the Collateral
         to the Obligations in any manner elected by Secured Party and
         permitted by the Code or otherwise permitted by law or in equity.
         Such application may include, without limitation, the reasonable
         expenses of retaking, holding, preparing for sale or other 
         disposition, and the reasonable attorneys' fees and legal expenses 
         incurred by Secured Party, the Issuing Banks and the Lenders.

                 (vi)     Appoint any Person as agent to perform any act or
         acts necessary or incident to any sale or transfer by Secured Party of
         the Collateral.  Additionally, any sale or transfer hereunder may be
         conducted by an auctioneer or any officer or agent of Secured Party.

                 (vii)    Apply and set-off (A) any deposits of Debtor now or
         hereafter held by Secured Party, the Issuing Banks and the Lenders;
         (B) all claims of Debtor against Secured Party, now or hereafter
         existing; (C) any other Property, rights or interests of Debtor which
         come into the possession or custody or under the control of Secured
         Party; and (D) the proceeds of any of the foregoing as if the same
         were included in the Collateral.  Secured Party agrees to notify
         Debtor promptly after any such set-off or application; provided,
         however, the failure of Secured Party to give any notice shall not
         affect the validity of such set-off or application.

                 (viii)   With respect to the Collateral, receive, change the
         address for delivery, open and dispose of mail addressed to Debtor,
         and to execute, assign and endorse negotiable and other instruments
         for the payment of money, documents of title or other evidences of
         payment, shipment or storage for any form of Collateral on behalf of
         and in the name of Debtor.



                                     -10-
<PAGE>   12
                 (ix)     Notify or require Debtor to notify Account Debtors
         that the Accounts have been assigned to Secured Party and direct such
         Account Debtors to make payments on the Accounts directly to Secured
         Party.  To the extent Secured Party does not so elect, Debtor shall
         continue to collect and retain the Accounts.  Secured Party or its
         designee shall also have the right, in its own name or in the name of
         Debtor, to do any of the following:  (A) to demand, collect, receipt
         for, settle, compromise any amounts due, give acquittances for,
         prosecute or defend any action which may be in relation to any monies
         due or to become due by virtue of, the Accounts; (B) to sell, transfer
         or assign or otherwise deal in the Accounts or the proceeds thereof or
         the related goods, as fully and effectively as if Secured Party were
         the absolute owner thereof; (C) to extend the time of payment of any
         of the Accounts, to grant waivers and make any allowance or other
         adjustment with reference thereto; (D) to endorse the name of Debtor
         on notes, checks or other evidences of payments on Collateral that may
         come into possession of Secured Party; (E) to take control of cash and
         other proceeds of any Collateral; (F) to sign the name of Debtor on
         any invoice or bill of lading relating to any Collateral, or any
         drafts against Account Debtors or other persons making payment with
         respect to Collateral; (G) to send a request for verification of
         Accounts to any Account Debtor; and (H) to do all other acts and
         things necessary to carry out the intent of this Agreement.

                 (x)      Exercise all other rights and remedies permitted by
         law or in equity.

         (b)     With respect to any Collateral located in Louisiana, Secured
Party's rights shall also  include the following:

                 (i)     Secured Party, at its option, may declare all
         Obligations immediately due and payable or performable and
         Secured Party shall thereupon, in addition to the rights and
         remedies provided in this Security Agreement or in any other
         instrument or document executed by Debtor, have all the rights and
         remedies of a "secured party" under Louisiana Commercial Laws (La.
         R.S. 10:9-101 et seq.) and under all other applicable laws of
         Louisiana or any other state having jurisdiction.  Secured Party shall
         have the right to sell, transfer or otherwise dispose of any and all
         of the Collateral and to apply the proceeds thereof toward payment of
         all costs, expenses, attorney's fees and legal expenses thereby
         incurred by Secured Party and toward payment and performance of the
         Obligations in such order or manner as Secured Party may elect.
         Unless the Collateral threatens to decline speedily in value, Secured
         Party shall send Debtor reasonable notice of the time and place of any
         public sale or of the time after which any private sale or the
         disposition thereof is to be made.  The requirement of sending a
         reasonable notice shall be met if such notice is mailed, postage
         prepaid, to Debtor at the address set forth on the signature page
         hereof at least fifteen (15) days before the time of such sale or
         disposition.  All expenses of retaking, holding, maintaining,
         preparing for sale, selling and the like, including Secured Party's
         reasonable attorney's fees and legal expenses, shall constitute
         additional Obligations of Debtor and shall be immediately due and
         payable, and payment of the same shall be secured by and entitled to
         the benefits of this Security Agreement.  If the proceeds of any sale
         or other lawful disposition of the Collateral by Secured Party are
         insufficient to fully pay the Obligations, then Debtor shall pay or
         cause to be paid any deficiency.

                 (ii)    Debtor agrees that, in the event any
         proceedings are taken under this Security Agreement by way of
         executory process or otherwise, any and all declarations of
         fact made by authentic act before a notary public and in the
         presence of two witnesses 
         
         
                                        -11-
<PAGE>   13
         by person declaring that such facts
         lie within his knowledge shall constitute authentic evidence
         of such facts for purposes of executory process, and in
         connection with any such action to foreclose or otherwise
         realize upon the Collateral.

                  (iii)   Debtor expressly waives:

                                  (A)      The benefit of appraisement provided
                          for in Articles 2332, 2336, 2723, 2724, Louisiana
                          Code of Civil Procedure and all other laws conferring
                          such benefits.

                                  (B)      The demand and three days' delay
                          accorded by Articles 2639 and 2721, Louisiana Code of
                          Civil Procedure.

                                  (C)      The three days' delay provided by
                          Articles 2331 and 2722, Louisiana Code of Civil
                          Procedure.

                                  (D)      The benefit of the other provisions
                          of Articles 2331, 2722 and 2723, Louisiana Code of
                          Civil Procedure; Debtor expressly agrees to the
                          immediate seizure of the Collateral in the event of
                          suit hereon.

                  (iv)    Debtor does further confess judgment for the
         full amount of the Obligations in principal, interest,
         attorneys' fees and all other costs and charges and does
         consent and agree that upon the occurrence of any Event of
         Default, Secured Party may cause all of the Collateral to be
         seized and sold under executory or any other legal process, at
         the option of Secured Party.

                   (v)     Notwithstanding anything to the contrary
         contained in this Article VI or elsewhere in this Security
         Agreement, the Obligations shall immediately become fully due,
         payable, performable, satisfiable and dischargeable without
         the necessity of further action on the part of Secured Party,
         and Debtor hereby expressly waives any required notice of
         intent to accelerate the Obligations and notice of
         acceleration of the Obligations.

         Section 6.03     Liability for Deficiency.  If any sale or other
disposition of Collateral by Secured Party or any Issuing Bank or any other
action of Secured Party, any Issuing Bank or any Lender hereunder results in
reduction of the Obligations, such action will not release Debtor from its
liability to Secured Party, the Issuing Banks and the Lenders for any unpaid
Obligations, including costs, charges and expenses incurred in the liquidation
of Collateral, together with interest thereon, and the same shall be
immediately due and payable to Secured Party at Secured Party's address set
forth on the signature page of this Security Agreement.

         Section 6.04     Reasonable Notice.  If any applicable provision of
any law requires Secured Party any Issuing Bank or any Lender to give
reasonable notice of any sale or disposition or other action, Debtor hereby
agrees that fifteen (15) days' prior written notice shall constitute reasonable
notice thereof.  Such notice, in the case of public sale, shall state the time
and place fixed for such sale and, in the case of private sale, the time after
which such sale is to be made.

         Section 6.05     Account Debtors.  Any payment or settlement of an
Account made by an Account Debtor will be, to the extent of such payment or to
the extent provided under such settlement, a release, discharge and acquittance
of the Account Debtor with respect to such Account, and Debtor shall take any


                                     -12-
<PAGE>   14
action as may be required by Secured Party in connection therewith.  No Account
Debtor on any Account will ever be bound to make inquiry as to the termination
of this Agreement or the rights of Secured Party to act hereunder, but shall be
fully protected by Debtor in making payment directly to Secured Party.


                                  ARTICLE VIII

                                 MISCELLANEOUS

         Section 7.01     Notices.  Any notice required or permitted to be
given under or in connection with this Security Agreement shall be given in
accordance with the notice provisions of the Guaranty Agreement.

         Section 7.02     Amendments and Waivers.  Secured Party's, any Issuing
Bank's or any Lender's acceptance of partial or delinquent payments or any
forbearance, failure or delay by the Secured Party in exercising any right,
power or remedy hereunder shall not be deemed a waiver of any obligation of
Debtor or any Obligor, or of any right, power or remedy of Secured Party; and
no partial exercise of any right, power or remedy shall preclude any other or
further exercise thereof.  Secured Party may remedy any Event of Default
hereunder or in connection with the Obligations without waiving the Event of
Default so remedied.  Debtor hereby agrees that if Secured Party agrees to a
waiver of any provision hereunder, or an exchange of or release of the
Collateral, or the addition or release of any Obligor, any such action shall
not constitute a waiver of any of Secured Party's other rights or of Debtor's
obligations hereunder.  This Security Agreement may be amended only by the
manner set forth in Section 8.02 of the Credit Agreement by an instrument in
writing executed jointly by Debtor and Secured Party and may be supplemented 
only by documents delivered or to be delivered in accordance with the express  
terms hereof.

         Section 7.03     Copy as Financing Statement.  A photocopy or other
reproduction of this Security Agreement or any financing statement covering the
Collateral is sufficient as a financing statement, and the same may be filed
with any appropriate filing authority for the purpose of perfecting Secured
Party's security interest in the Collateral.

         Section 7.04     Possession of Collateral.  Secured Party shall be
deemed to have possession of any Collateral in transit to it or set apart for
it (or, in either case, any of its agents, affiliates or correspondents).

         Section 7.05     Redelivery of Collateral.  If any sale or transfer of
Collateral by Secured Party results in full satisfaction of the Obligations,
and after such sale or transfer and discharge there remains a surplus of
proceeds, Secured Party will deliver to Debtor such excess proceeds in a
commercially reasonable time; provided, however, that neither Secured Party,
any Issuing Bank nor any Lender shall be liable for any interest, cost or
expense in connection with any delay in delivering such proceeds to Debtor.

         Section 7.06     Governing Law; Jurisdiction.  This Security Agreement
and the security interest granted hereby shall be construed in accordance with
and governed by the laws of the State of Texas (except to the extent that the
laws of any other jurisdiction govern the perfection and priority of the
security interests granted hereby).  Debtor consents to and submits to in
personam jurisdiction and venue in the state district and county courts of the
county wherein Secured Party's offices are located at the address specified on
the signature page hereof, and in the Federal District Courts of the district
wherein 


                                      -13-
<PAGE>   15
such offices of Secured Party are located.  This submission to
jurisdiction is nonexclusive and does not preclude Secured Party, any Issuing
Bank or any Lender from obtaining jurisdiction over Debtor or the Collateral in
any court otherwise having jurisdiction.

         Section 7.07     Cumulative and Other Rights.  The rights, powers and
remedies of Secured Party hereunder are in addition to all rights, powers and
remedies given by law or in equity.  The exercise by Secured Party, any Issuing
Bank or any Lender of any one or more of the rights, powers and remedies herein
shall not be construed as a waiver of any other rights, powers and remedies,
including, without limitation, any other rights of set-off.  If any of the
Obligations are given in renewal, extension for any period or rearrangement, or
applied toward the payment of debt secured by any lien, Secured Party shall be,
and is hereby, subrogated to all the rights, titles, interests and liens
securing the debt so renewed, extended, rearranged or paid.

         Section 7.08     Subrogation.  Until the Obligations have been paid in
full, Debtor hereby waives any claim, right or remedy which Debtor may now have
or hereafter acquire against the Company which arises out of this Security
Agreement or from the performance by Debtor hereunder, including without
limitation, any claim, remedy or right of subrogation, reimbursement,
exoneration, indemnification, or participation in any such claim, right or
remedy of any other Person against the Company; provided, however,
notwithstanding the foregoing, Debtor reserves its rights of contribution and
reimbursement, if any, from any Obligor.  Until the Obligations have been paid
in full, Debtor further waives any benefit of any right to participate in any
security now or hereafter held by Secured Party, the Issuing Banks and/or the
Lenders.

         Section 7.09     Continuing Security Agreement.

         (a)     This Security Agreement shall constitute a continuing security
agreement, and all representations and warranties, covenants and agreements
shall, as applicable, apply to all future as well as existing transactions.
Provisions of this Security Agreement, unless they are by their terms
exclusive, shall be in addition to other agreements between the parties.

         (b)     Except as may be expressly applicable pursuant to Section
9.505 of the Code, no action taken or omission to act by Secured Party, the
Issuing Banks or the Lenders hereunder, including, without limitation, any
action taken or inaction pursuant to Section 6.02, shall be deemed to
constitute a retention of the Collateral in satisfaction of the Obligations or
otherwise to be in full satisfaction of the Obligations, and the Obligations
shall remain in full force and effect, until Secured Party, the Issuing Banks
and the Lenders shall have applied payments (including, without limitation,
collections from Collateral) towards the Obligations in the full amount then
outstanding or until such subsequent time as is hereinafter provided in
subsection (c) below.

         (c)     To the extent that any payments on the Obligations or proceeds
of the Collateral are subsequently invalidated, declared to be fraudulent or
preferential, set aside or required to be repaid to a trustee, debtor in
possession, receiver or other Person under any bankruptcy law, common law or
equitable cause, then to such extent the Obligations so satisfied shall be
revived and continue as if such payment or proceeds had not been received by
Secured Party, the Issuing Banks or the Lenders, and Secured Party's, the
Issuing Banks' and the Lenders' security interests, rights, powers and remedies
hereunder shall continue in full force and effect.  In such event, this
Security Agreement shall be automatically reinstated if it shall theretofore
have been terminated pursuant to Section 7.10.



                                       -14-
<PAGE>   16
         (d)     In the event that the Obligations are structured such that
there are times when no Indebtedness is owing thereunder, this Security
Agreement shall remain valid and in full force and effect as to all subsequent
indebtedness included in the Obligations, provided Secured Party has not in the
interim period executed a written release or termination statement or returned
possession of or reassigned the Collateral to Debtor.

         Section 7.10     Termination.  The grant of a security interest
hereunder and all of Secured Party's, the Issuing Banks' and the Lenders'
rights, powers and remedies in connection therewith shall remain in full force
and effect until Secured Party has retransferred and delivered all Collateral
in its possession to Debtor, and executed a written release or termination
statement and reassigned to Debtor without recourse or warranty any remaining
Collateral and all rights conveyed hereby.  Upon the complete payment of the
Obligations and the compliance by Debtor with all covenants and agreements
hereof, Secured Party, at the written request and expense of Debtor, will
release, reassign and transfer the Collateral to Debtor and declare this
Security Agreement to be of no further force or effect.  Notwithstanding the
foregoing, the provisions of Section 7.09(c) shall survive the termination of
this Security Agreement.

         Section 7.11     Counterparts, Effectiveness.  This Security Agreement
may be executed in two or more counterparts.  Each counterpart is deemed an
original, but all such counterparts taken together constitute one and the same
instrument.  This Security Agreement becomes effective upon the execution
hereof by Debtor and delivery of the same to Secured Party, and it is not
necessary for Secured Party, the Issuing Banks or any Lender to execute any
acceptance hereof or otherwise signify or express its acceptance hereof.

         Section 7.12     Headings Descriptive.  All titles or headings to
articles, sections, subsections or other divisions of this Security Agreement
or the exhibits hereto are only for the convenience of the parties and shall
not be construed to have any effect or meaning with respect to the other
content of such articles, sections, subsections or other divisions, such other
content being controlling as to the agreement between the parties hereto.

         Section 7.13     Delivery of Copy/Waiver.  The Debtor hereby
acknowledges receiving a copy of this Security Agreement.  The Debtor waives
all rights to receive from the Secured Party a copy of any financing statement
or financing change statement filed or registered or verification statement
issued at any time in respect of this Security Agreement.





                                      -15-
<PAGE>   17
                                    DEBTOR:

WITNESS TO ALL SIGNATURES:   TESORO PETROLEUM DISTRIBUTING COMPANY


/s/ Trina Chandler                     By: /s/ William T. VanKleef
- ------------------------------         ----------------------------------------
Name:                                  Name:  William T. VanKleef
                                       Title: Vice President and Treasurer 

/s/ Frank T. Garcia                                        
- ------------------------------
Name:                                  Address of Chief Executive Office and
                                       Location of the Collateral:

                                       6100 Humphreys Street
                                       Harahan, Louisiana  70123


                                       SECURED PARTY:

                                       TEXAS COMMERCE BANK NATIONAL
                                        ASSOCIATION, AS AGENT

                                       By: /s/ P. Stan Burge 
                                       ----------------------------------------
                                       Name:  P. Stan Burge 
                                       Title: Vice President

                                       Address:

                                       712 Main Street
                                       Houston, Texas  77002




                                       /s/ Anne A. Griffin  
                                     -----------------------
                                       Notary Public in and
                                      for the State of Texas





                                      -16-
<PAGE>   18
                              FINANCING STATEMENT


         This Financing Statement is presented to a filing officer for filing
pursuant to the Uniform Commercial Code.

1.       The name and address of the Debtor is:

         TESORO PETROLEUM DISTRIBUTING COMPANY
         6100 Humphreys Street
         Harahan, Louisiana  70123
         Federal Tax Identification No.: 74-1268973

2.       The name and address of the Secured Party is:

         TEXAS COMMERCE BANK NATIONAL ASSOCIATION, as Agent
         712 Main Street
         Houston, Texas   77002
         Federal Tax Identification No.: 74-0800980

3.       This Financing Statement covers the following Collateral:

                 (a)      all of Debtor's accounts;

                 (b)      any property from time to time delivered to or
         deposited with Secured Party by or for the account of Debtor which is
         related to any property referred to in this item 3;

                 (c)      all proceeds, replacements, additions to and
         substitutions for any of the property referred to in this item 3 and
         claims against third parties;

                 (d)      all books and records related to any of the property
         referred to in this item 3, including, without limitation, any and all
         books of account, customer lists and other records relating in any way
         to the Collateral described in this item 3;

                 (e)      all of Debtor's general intangibles which are related
         (but only those related) to any property referred to in this item 3,
         including, without limitation, all (i) letters of credit, bonds,
         guaranties, purchase or sales agreements and other contractual rights,
         rights to performance, and claims for damages, refunds (including tax
         refunds) or other monies due or to become due; (ii) orders,
         franchises, permits, certificates, licenses, consents, exemptions,
         variances, authorizations or other approvals by any governmental
         authority; (iii) business records, computer tapes and computer
         software; and (iv) other intangible personal property, whether similar
         or dissimilar to the other property described or referred to in clause
         (a) of this item 3; and

                 (f)      all of Debtor's chattel paper, documents and
         instruments related to or arising out of any property referred to in
         this item 3.

         The Collateral shall not include and shall be exclusive of any
equipment.
<PAGE>   19
Debtor's Federal Tax Identification No. 74-1268973

DEBTOR:                                 TESORO PETROLEUM DISTRIBUTING COMPANY


                                        By: /s/ William T. VanKleef 
                                            -----------------------------------
                                        Name:  William T. VanKleef Title:
                                        Title: Vice President and Treasurer




                                      -2-


<PAGE>   1
                                                                  EXHIBIT 10.9




                               SECURITY AGREEMENT

                            (Accounts and Inventory)



                                    Between

                   TESORO EXPLORATION AND PRODUCTION COMPANY

                                      and

                   TEXAS COMMERCE BANK NATIONAL ASSOCIATION,
                                    AS AGENT



                                 April 20, 1994
<PAGE>   2
                               SECURITY AGREEMENT

                             ACCOUNTS AND INVENTORY

         THIS SECURITY AGREEMENT is made as of April 20, 1994, between TESORO
EXPLORATION AND PRODUCTION COMPANY, a Delaware corporation ("Debtor"), and
TEXAS COMMERCE BANK NATIONAL ASSOCIATION, a national banking association, as
Agent ("Secured Party"), for itself, the Issuing Banks and the Lenders.

                                    RECITALS

         A.      On even date herewith, Tesoro Petroleum Corporation (the
"Company"), Texas Commerce Bank National Association, individually, as Agent
and as an Issuing Bank, Banque Paribas, individually, as Co-Agent and as an
Issuing Bank, and the other financial institutions parties thereto entered into
a Credit Agreement (as amended from time to time, the "Credit Agreement").

         B.      The conditions precedent to the effectiveness of the Credit
Agreement and the obligations of the Lenders to make the initial Loans and the
Issuing Banks to issue Letters of Credit thereunder, include the execution and
delivery by Debtor of this Security Agreement, and Debtor has agreed to enter
into this Security Agreement.

         C.      Therefore, (i) in order to comply with the terms and
conditions of the Credit Agreement, (ii) to induce the Lenders at any time from
time to time to loan monies and the Issuing Banks to issue Letters of Credit,
with or without security to or for the account of the Company in accordance
with the terms of the Credit Agreement, (iii) at the special insistence and
request of the Agent, the Issuing Banks and the Lenders, and (iv) for other
good and valuable consideration, the receipt and sufficiency of which are
hereby acknowledged, Debtor hereby agrees with Secured Party as follows:


                                   ARTICLE I

                                  DEFINITIONS

         Section 1.01     Terms Defined Above.  As used in this Security
Agreement, the terms "Company,"  "Credit Agreement," "Debtor" and "Secured
Party" shall have the meanings respectively assigned to them.

         Section 1.02     Certain Definitions.  As used in this Security
Agreement, the following terms shall have the following meanings, unless the
context otherwise requires:

                 "Accounts" shall mean all accounts (as such term is defined in
         the Code).

                 "Account Debtor" shall mean any Person liable (whether
         directly or indirectly, primarily or secondarily) for the payment or
         performance of any obligations included in the Collateral, whether as
         an account debtor (as defined in the Code), obligor on an instrument,
         issuer of documents or securities, guarantor or otherwise.

                 "Code" shall mean the Uniform Commercial Code as presently in
         effect in the State of Texas, Texas Business and Commerce Code,
         Chapters 1 through 9.
<PAGE>   3
                 "Collateral" shall mean the following types or items of
         Property (including Property hereafter acquired by Debtor as well as
         Property which Debtor now owns or in which Debtor has rights):
         
                 (a)      all of Debtor's Accounts and Inventory;

                 (b)      (i) any Property from time to time delivered to or
         deposited with Secured Party by or for the account of Debtor which is
         related to any Property referred to in clause (a) of this definition;
         and (ii) all certificates of title or other documents evidencing
         ownership or possession of or otherwise relating to any Property
         referred to in clause (a) of this definition;

                 (c)      (i) all goods which were at any time included in the
         Collateral described in clause (a) of this definition and which are
         returned to or for the account of Debtor following their sale, lease
         or other disposition; (ii) all policies of insurance (whether or not
         required by Secured Party) covering any Property referred to in this
         definition; and (iii) all proceeds, products, replacements, additions
         to, substitutions for, accessions of, and Property necessary for the
         operation of any of the Property referred to in this definition,
         including, without limitation, insurance payable as a result of loss
         or damage to any of the Property referred to in this definition,
         refunds of unearned premiums of any such insurance policy and claims
         against third parties;

                 (d)      all books and records related to any of the Property
         referred to in this definition, including, without limitation, any and
         all books of account, customer lists and other records relating in any
         way to the Collateral described in this definition;

                 (e)      all of Debtor's general intangibles (as defined in
         the Code) which are related (but only those related) to any Property
         referred to in this definition, including, without limitation, all (i)
         letters of credit, bonds, guaranties, purchase or sales agreements and
         other contractual rights, rights to performance, and claims for
         damages, refunds (including tax refunds) or other monies due or to
         become due; (ii) orders, franchises, permits, certificates, licenses,
         consents, exemptions, variances, authorizations or other approvals by
         any Governmental Authority; (iii) business records, computer tapes and
         computer software; and (iv) other intangible personal property,
         whether similar or dissimilar to the Property referred to in clause
         (a) of this definition; and

                 (f)      all of Debtor's chattel paper, documents and
         instruments (as such terms are defined in the Code) related to or
         arising out of any Property referred to in clause (a) of this
         definition.

                 It is expressly contemplated that additional Property may from
         time to time be pledged, assigned or granted to Secured Party as
         additional security for the Obligations, and, if so, then the term
         "Collateral" as used herein shall be deemed for all purposes hereof to
         include all such additional Property, together with all other Property
         of the types described above related thereto.  It is expressly agreed
         that Collateral shall not include and shall be exclusive of any
         equipment.

                 "Event of Default" shall have the meaning assigned such term
         in Section 6.01 of this Security Agreement.

                 "Inventory" shall mean all inventory (as defined in the Code).





                                      -2-
<PAGE>   4
                 "Obligations" shall mean with respect to the Debtor, the
         Obligations (as defined in the Guaranty Agreement) to the extent the
         Debtor is liable therefor as provided in the Guaranty Agreement.  The
         Obligations are Senior Debt as such term is defined in that certain
         Subordination Agreement dated December 15, 1992 among the Company,
         Tesoro Alaska Petroleum Company and the State of Alaska attached to
         the Settlement Agreement among the Company, Tesoro Alaska Petroleum
         Company and the State of Alaska.

                 "Obligor" shall mean the Company and any other Person, other
         than Debtor, liable (whether directly or indirectly, primarily or
         secondarily) for the payment or performance of any of the Obligations
         whether as maker, co-maker, endorser, guarantor, accommodation party,
         general partner or otherwise; and the term "Obligor" shall
         specifically include each Guarantor, other than Debtor, named in the
         Credit Agreement.

                 "Property" shall mean any interest in any kind of property or
         asset, whether real, personal or mixed, or tangible or intangible.

                 "Security Agreement" shall mean this Security Agreement, as
         the same may be amended, modified or supplemented from time to time.

                 Section 1.03     Other Defined Terms.  Unless otherwise
defined herein, all terms beginning with a capital letter which are defined in
the Credit Agreement shall have the meanings assigned therein, unless the
context hereof requires otherwise.  All uncapitalized terms which are defined
in the Code shall have their respective meanings as used in the Code, unless
the context hereof requires otherwise.


                                   ARTICLE II

                               SECURITY INTEREST

         Section 2.01     Grant of Security Interest.  Debtor hereby assigns
and grants to Secured Party, for its benefit and the benefit of the Lenders and
the Issuing Banks, a security interest in, lien upon and right of set-off
against the Collateral to secure the prompt payment and performance of the
Obligations.


                                  ARTICLE III

                         REPRESENTATIONS AND WARRANTIES

         Debtor represents and warrants to Secured Party, the Issuing Banks and
the Lenders (which representations and warranties will survive the creation and
payment of the Obligations) that:

         Section 3.01     First Priority Security Interest.  The grant of the
security interest in the Collateral pursuant to this Security Agreement creates
a valid and perfected first priority security interest in the Collateral,
enforceable against Debtor and all third parties and securing payment of the
Obligations.

         Section 3.02     No Filings By Third Parties.  No financing statement
or other public notice or recording covering the Collateral is on file in any
public office (other than any financing statement or other public notice or
recording naming Secured Party as the secured party therein), and Debtor will
not





                                      -3-
<PAGE>   5
execute any such financing statement or other public notice or recording so
long as any of the Obligations are outstanding.

         Section 3.03     No Name Changes.  Debtor has not, during the
preceding five years, entered into any contract, agreement, security instrument
or other document using a name other than, or been known by or otherwise used
any name other than, the name used by Debtor herein.

         Section 3.04     Location of Debtor and Collateral.  Debtor's chief
executive office and Debtor's records concerning the Collateral are located at
the address or location set forth on the signature page hereof.  The Collateral
is located at such address or at the location(s), if any, specified in Exhibit
A hereto.  Any Collateral not at such location(s) nevertheless remains subject
to Secured Party's security interest.

         Section 3.05     Collateral.  All statements or other information
provided by Debtor to Secured Party, any Issuing Bank or any Lender with
respect to the Collateral is or (in the case of subsequently furnished
information) will be when provided correct and complete in all material
respects.  The delivery at any time by Debtor to Secured Party of additional
Collateral or of additional descriptions of Collateral shall constitute a
representation and warranty by Debtor to Secured Party hereunder that the
representations and warranties of this Article III are correct insofar as they
would pertain to such Collateral or the descriptions thereof.

         Section 3.06     Accounts.

         (a)     Each Account represents the genuine, valid and legally
enforceable indebtedness of an Account Debtor arising from the sale, lease or
rendition by Debtor of goods or services and is not and will not be subject to
contra accounts, set-offs, defenses, counterclaims, allowances or adjustments
(other than discounts for prompt payment shown on the invoice), or objections
or complaints by the Account Debtor concerning its liability on the Account;
and any goods, the sale of which gave rise to an Account, have not been
returned or rejected by the Account Debtor or lost or damaged prior to receipt
by the Account Debtor.

         (b)     The amount shown as to each Account on Debtor's books is or
will be the true and undisputed amount owing and unpaid thereon.  Except as
disclosed in writing to Secured Party, each Account arose or shall have arisen
in the ordinary course of Debtor's business; provided, however, that any
Accounts which arose or hereafter arise outside the ordinary course of Debtor's
business shall nevertheless be included as part of the Collateral.  Debtor has
no knowledge of any bankruptcy, insolvency or other action affecting creditors'
rights with respect to any Account Debtor.

         (c)     Except as disclosed in writing to Secured Party, each invoice
or agreement evidencing the Accounts is or will be due and payable not more
than 90 days from the date thereof; provided, however, that any Accounts not so
due and payable shall nevertheless be included as part of the Collateral.

         Section 3.07     Delivery of Documents or Letters of Credit.  With
respect to any Inventory or other Collateral covered by one or more
certificates of title or other documents evidencing ownership or possession
thereof, and with respect to any Accounts or other Collateral supported by
letters of credit, each of such certificates, documents or letters of credit
has been delivered to Secured Party (provided, however, that all certificates,
documents and letters of credit referred to in Section 1.02 shall be subject





                                      -4-
<PAGE>   6
to the security interest created by this Security Agreement irrespective of
whether or not such delivery shall have been made).

         Section 3.08     Ownership of Collateral; Encumbrances; Valid and
Binding Agreement.  Debtor is the legal and beneficial owner of the Collateral
free and clear of any adverse claim, lien, security interest, option or other
charge or encumbrance except for the security interest created by this
Agreement, and Debtor has full right, power and authority to assign and grant a
security interest in the Collateral to Secured Party.  This Agreement
constitutes a legal, valid and binding obligation of Debtor enforceable against
Debtor in accordance with its terms.  The execution, delivery and performance
of this Agreement will not violate the terms of any contract, agreement, law,
regulation, order, injunction, judgment, decree or writ to which Debtor is
subject and does not require the consent or approval of any other Person.

         Section 3.09     No Required Consent.  No authorization, consent,
approval or other action by, and no notice to or filing with, any governmental
authority or regulatory body (other than the filing of financing statements) is
required for (i) the due execution, delivery and performance by Debtor of this
Agreement, (ii) the grant by Debtor of the security interest granted by this
Agreement, (iii) the perfection of such security interest or (iv) the exercise
by Secured Party of its rights and remedies under this Agreement.


                                   ARTICLE IV

                            COVENANTS AND AGREEMENTS

         Debtor covenants and agrees that so long as any part of the
Obligations are outstanding:

         Section 4.01     Change in Location of Collateral or Debtor.  Debtor
will give Secured Party 30 days' prior written notice of (i) any change in
location of the Collateral to a jurisdiction other than Texas, Alaska,
California, Oregon or Washington and which would cause the Secured Party to be
unperfected in the Collateral, (ii) the opening or closing of any place of
Debtor's business or (iii) any change in the location of Debtor's chief
executive office or address.

         Section 4.02     Documents; Collateral in Possession of Third Parties.
If certificates of title or other documents evidencing ownership or possession
of the Collateral are issued or outstanding, Debtor will cause the security
interest of Secured Party to be properly noted thereon and will, forthwith upon
receipt, deliver same to Secured Party.  If any Collateral is at any time in
the possession or control of any warehouseman, bailee, agent or independent
contractor, Debtor shall notify such Person of Secured Party's security
interest in such Collateral.  Upon Secured Party's request, Debtor shall
instruct any such Person to hold all such Collateral for Secured Party's
account subject to Debtor's instructions, or, if an Event of Default shall have
occurred, subject to Secured Party's instructions.

         Section 4.03     Delivery of Letters of Credit and Instruments;
Proceeds.  Debtor will deliver each letter of credit, if any, included in the
Collateral to Secured Party, in each case forthwith upon receipt by or for the
account of Debtor.  If any Account becomes evidenced by a promissory note,
trade acceptance or any other instrument for the payment of money (other than
checks or drafts in payment of Accounts collected by Debtor in the ordinary
course of business prior to notification by Secured Party under Section 5.04),
Debtor will immediately deliver such instrument to Secured Party appropriately
endorsed to Secured Party, as collateral assignee and, regardless of the form
of presentment, demand, notice of dishonor, protest and notice of protest with
respect thereto, Debtor will remain liable thereon





                                      -5-
<PAGE>   7
until such instrument is paid in full.  Except as permitted by Sections 4.03,
4.08 and 4.09, Debtor will deliver to Secured Party all proceeds from the sale
or other disposition of the Collateral promptly upon receipt.  If chattel
paper, documents or instruments are received as proceeds, which are required to
be delivered to Secured Party, they will be, immediately upon receipt, properly
endorsed or assigned and delivered to Secured Party as Collateral.

         Section 4.04     Sale, Disposition or Encumbrance of Collateral.
Except (i) as permitted by Section 4.08, or (ii) with the prior written consent
of the Majority Lenders, Debtor will not in any way encumber any of the
Collateral (or permit or suffer any of the Collateral to be encumbered) or
sell, assign, lend, rent, lease or otherwise dispose of or transfer any of the
Collateral to or in favor of any Person other than Secured Party.

         Section 4.05     Intentionally left blank.

         Section 4.06     Records and Information.

         (a)     Debtor shall keep accurate and complete records of the
Collateral (including proceeds).  These records shall reflect complete and
accurate stock records of the Inventory and all facts concerning each Account.
Debtor shall conduct a physical count of the Inventory at such intervals as
Secured Party requests and promptly supply Secured Party with a copy of such
count accompanied by a report of the value (valued at the lower of cost or
market value) of the Inventory.  Secured Party may at any time have access to,
examine, audit, make extracts from and inspect without hindrance or delay
Debtor's records, files and the Collateral.

         (b)     Debtor will promptly furnish such information as Secured Party
may from time to time reasonably request regarding (i) the business, affairs or
financial condition of Debtor or (ii) the Collateral or Secured Party's rights
or remedies with respect thereto.  Any balance sheets or financial statements
requested by Secured Party pursuant to this Section 4.06(b) shall conform to
generally accepted accounting principles.

         (c)     Debtor recognizes that financing statements pertaining to the
Collateral will be filed with the offices of the Secretary of State of Texas,
the Alaska Department of Natural Resources, the Secretary of State of
California, the Secretary of State of Oregon and the Department of Licensing of
the State of Washington.  Debtor will immediately notify Secured Party of any
condition or event that may change the proper location for the filing of any
financing statements or other public notice or recordings for the purpose of
perfecting a security interest in the Collateral.  Without limiting the
generality of the foregoing, Debtor will (i) immediately notify Secured Party
of any change to a jurisdiction other than as represented in Section 3.04 (A)
in the location of Debtor's chief executive office or chief place of business,
(B) in the location of the office where Debtor keeps its records concerning the
Accounts, or (C) in the "location" of Debtor within the meaning of Section
9-103(c) of the Code; (ii) immediately notify Secured Party of any change in
the location of the Collateral to any jurisdiction other than the States of
Texas, Alaska, California, Oregon and Washington; and (ii) notify Secured Party
30 days prior to any change in Debtor's name, identity or corporate structure
or Tax Identification Number.  In any notice furnished pursuant to this
paragraph, Debtor will expressly state that the notice is required by this
Security Agreement and contains facts that will or may require additional
filings of financing statements or other notices for the purpose of continuing
perfection of Secured Party's security interest in the Collateral.  Debtor will
promptly provide written notice to Secured Party of all information which in
any way relates to or affects the Collateral generally, Secured Party's rights
or remedies with respect thereto,





                                      -6-
<PAGE>   8
the filing of any financing statement or other public notices or recordings, or
the delivery and possession of items of Collateral for the purpose of
perfecting a security interest in the Collateral.

         Section 4.07     Further Assurances.  Upon the request of Secured
Party, Debtor shall (at Debtor's expense) execute and deliver all such
assignments, certificates, financing statements or other documents and give
further assurances and do all other acts and things as Secured Party may
reasonably request to perfect Secured Party's interest in the Collateral or to
protect, enforce or otherwise effect Secured Party's rights and remedies
hereunder.

         Section 4.08     Inventory.  Unless an Event of Default has occurred
and is continuing and after any applicable notice and cure periods provided for
in the Credit Agreement, Debtor may use the Inventory in any lawful manner not
inconsistent with this Security Agreement and with the terms of insurance
thereon and may sell, lease or otherwise dispose of its Inventory for cash or
terms in the ordinary course of business, and Debtor may retain the proceeds of
such sales, leases or other dispositions (subject to Section 4.03 and Section
4.09); provided, however, the Inventory shall remain in Debtor's possession and
control at all times prior to sale, lease or other disposition at Debtor's
address set forth in Section 3.04.  Debtor shall bear any risk of loss of the
Inventory.  Debtor shall not use any item of Inventory in a manner inconsistent
with the holding thereof for sale, lease or other disposition in the ordinary
course of business or in contravention of the terms of any agreement.  Upon the
occurrence and continuance of an Event of Default and after any applicable cure
period, Debtor will not sell, lease or otherwise dispose of any of the
Inventory without the prior written consent of the Majority Lenders, and Debtor
shall immediately deliver to Secured Party any checks, cash or other forms of
payment which Debtor receives in connection with any Inventory, appropriately
endorsed.

         Section 4.09     Accounts.

         (a)     Prior to notification by Secured Party under Section 6.02(i),
Debtor will collect the Accounts in the ordinary course of its business and may
retain the proceeds of such collections (subject to Section 4.03).

         (b)     Debtor shall immediately notify Secured Party in writing in
the event that any representation given in Article III with respect to any
Account ceases to be true and correct in all material respects; such notice
specifying other representation(s) that cease to be true and correct and the
action, if any, that Debtor proposes to take with respect thereto.

         (c)     Debtor will not modify, extend or substitute any contract, the
terms of which shall at any time have given rise to an Account, except in the
ordinary course of business or with the prior written consent of Secured Party.
Debtor will not re-date any invoice or sale or make sales with an extended
payment date beyond that customary in the industry, and in no event longer than
90 days.  Debtor shall not adjust, settle, discount or compromise any of the
Accounts, except in the ordinary course of business or with the prior written
consent of Secured Party.

         (d)     Debtor will duly perform or cause to be performed all of
Debtor's obligations with respect to the Accounts and the underlying sales of
goods or other transactions giving rise to the Accounts.

         Section 4.10     Condition of Collateral.  Debtor will maintain all
Collateral in good condition and in accordance with industry standards and
practices.  Debtor will not misuse, abuse, waste, destroy or





                                      -7-
<PAGE>   9
endanger the Collateral nor allow it to be used in any manner other than its
intended use.  Debtor will not use any Collateral in violation of any
Governmental Requirement, or suffer it to be so used.

         Section 4.11     Collateral Separate and Distinct.  Debtor shall at
all times keep the Collateral, including proceeds, or cause it to be kept (when
in the possession of warehousemen, bailees, agents, independent contractors or
other third parties), separate and distinct from other Property.

         Section 4.12     Change in Debtor's Name or Corporate Structure.
Debtor will not change its name, identity or corporate structure (including,
without limitation, any merger, consolidation or sale of substantially all of
its assets) without notifying Secured Party of such change in writing at least
30 days prior to the effective date of such change.  Without the express
written consent of Secured Party, however, Debtor will not engage in any other
business or transaction under any name other than Debtor's name hereunder.


                                   ARTICLE V

                  RIGHTS, DUTIES, AND POWERS OF SECURED PARTY

         The following rights, duties and powers of Secured Party are
applicable irrespective of whether an Event of Default has occurred and is
continuing, but only after having given Debtor at least three (3) days prior
notice:

         Section 5.01     Attorney-in-Fact.  Secured Party is hereby fully
authorized and empowered (without the necessity of any further consent or
authorization from Debtor) and the right is expressly granted to Secured Party,
and Debtor hereby irrevocably appoints and makes Secured Party as Debtor's
attorney-in-fact, with full authority in the place and stead of Debtor and in
the name of Debtor or otherwise, from time to time in Secured Party's
discretion, but at Debtor's cost and expense to:

                 (a)      obtain, adjust, sell and cancel any insurance with
         respect to the Collateral and endorse any draft drawn by insurers of
         the Collateral, and Secured Party may apply any proceeds or unearned
         premiums of such insurance to the Obligations (whether or not due);
         and

                 (b)      take any action and to execute any assignment,
         certificate, financing statement, notification, document or instrument
         which Secured Party may deem necessary or advisable to accomplish the
         purposes of this Security Agreement, including, without limitation, to
         receive, endorse and collect all instruments made payable to Debtor
         representing any payment or other distribution in respect of the
         Collateral or any part thereof and to give full discharge for the
         same.

         Section 5.02     Transfer of Collateral.  Secured Party may transfer
any or all of the Obligations, and upon any such transfer, Secured Party may
transfer its interest in any or all of the Collateral and shall be fully
discharged thereafter from all liability therefor.  Any transferee of the
Collateral shall be vested with all rights, powers and remedies of Secured
Party hereunder.

         Section 5.03     Purchase Money Financing.  To the extent that the
Lenders have advanced or will advance funds to or for the account of Debtor to
enable Debtor to purchase or otherwise acquire specific types or items of
Collateral, the Lenders may at their option pay such funds (i) directly to the
Person from whom Debtor will make such purchase or acquire such rights or (ii)
to Debtor, in which case





                                      -8-
<PAGE>   10
Debtor covenants promptly to pay the same to such Person and forthwith furnish
to Secured Party, on request, evidence satisfactory to Secured Party that such
payment has been made from the funds so provided by Secured Party for such
payment.

         Section 5.04     Proceeds.  If so requested by Debtor, any payments
received by Secured Party on the Accounts or as proceeds of other Collateral
shall upon final collection by Secured Party be credited towards payment of the
Obligations.  In the absence of such request from Debtor, and until so
requested, Secured Party may hold such collected payments as cash Collateral
(and Secured Party may at any time place a hold or freeze on all or a part of
any deposit account of Debtor containing deposits of such payments up to the
amount of such deposits).

         Section 5.05     Discharge Encumbrances.  Secured Party may, at its
option, discharge any taxes, Liens, security interests or other encumbrances at
any time levied or placed on the Collateral, may pay for insurance on the
Collateral and may pay for the maintenance and preservation of the Collateral.
Debtor agrees to reimburse Secured Party upon demand for any payment so made,
plus interest on the portion thereof from time to time remaining unpaid from
the date of Secured Party's demand at the rate for overdue principal and
interest set forth in Section 2.06(c) of the Credit Agreement.

         Section 5.06     Disclaimer of Certain Duties.

         (a)     The powers conferred upon Secured Party by this Security
Agreement are to protect the interest of Secured Party, the Issuing Banks and
the Lenders in the Collateral and shall not impose any duty upon Secured Party,
the Issuing Banks or any Lender to exercise any such powers.  Debtor hereby
agrees that Secured Party, the Issuing Banks and the Lenders shall not be
liable for, nor shall the indebtedness evidenced by the Obligations be
diminished by, Secured Party's delay or failure to collect upon, foreclose,
sell, take possession of or otherwise obtain value for the Collateral.

         (b)     Except as provided in the Credit Agreement, Secured Party
shall be under no duty whatsoever to make or give any presentment, notice of
dishonor, protest, demand for performance, notice of non-performance, notice of
intent to accelerate, notice of acceleration, or other notice or demand in
connection with any Collateral or the Obligations, or to take any steps
necessary to preserve any rights against any Obligor, Account Debtor or other
Person.

         Section 5.07     Modification of Obligations; Other Security.  Debtor
waives (i) any and all notice of acceptance, creation, modification,
rearrangement, renewal or extension for any period of any instrument executed
by any Obligor in connection with the Obligations and (ii) any defense of any
Obligor by reason of disability, lack of authorization, cessation of the
liability of any Obligor or for any other reason.  Debtor authorizes Secured
Party, without notice or demand and without any reservation of rights against
Debtor and without affecting Debtor's liability hereunder or on the
Obligations, from time to time to (x) take and hold other Property, other than
the Collateral, as security for the Obligations, and exchange, enforce, waive
and release any or all of the Collateral, (y) apply the Collateral in the
manner permitted by this Security Agreement and (z) renew, extend for any
period, accelerate, amend or modify, supplement, enforce, compromise, settle,
waive or release the obligations of any Obligor or any instrument or agreement
of such other Person with respect to any or all of the Obligations or
Collateral.

         Section 5.08     Waiver of Notice; Demand and Presentment; etc.
Except for any notice required under the Credit Agreement, Debtor hereby waives
any demand, notice of default, notice of acceleration of the maturity of the
Obligations, notice of intent to accelerate the maturity of the Obligations,





                                      -9-
<PAGE>   11
presentment, protest and notice of dishonor as to any action taken by Secured
Party in connection with this Security Agreement, or any instrument or
document.  Debtor waives any right of marshaling in respect of any and all
Collateral, and waives any right to require Secured Party, any Issuing Bank or
any Lender to proceed against any Obligor, Account Debtor or other Person,
exhaust any Collateral or enforce any other remedy which Secured Party, any
Issuing Bank or any Lender now has or may hereafter have against any Obligor or
other Person.

         Section 5.09     Non-judicial Enforcement.  To the fullest extent
allowed by applicable law, Secured Party may enforce its rights hereunder
without prior judicial process or judicial hearing, and to the fullest extent
permitted by law Debtor expressly waives any and all legal rights which might
otherwise require Secured Party to enforce its rights by judicial process.


                                   ARTICLE VI

                               EVENTS OF DEFAULT

         Section 6.01     Events of Default.  An Event of Default under the
Credit Agreement shall constitute an "Event of Default" under this Security
Agreement.

         Section 6.02     Remedies.  Upon the occurrence and during the
continuance of any Event of Default, Secured Party may take any or all of the
following actions without notice (except where expressly required under the
Credit Agreement or below) or demand to Debtor:

                 (a)      Declare all or part of the indebtedness pursuant to
         the Obligations immediately due and payable and enforce payment of the
         same by Debtor or any Obligor.

                 (b)      Take possession of the Collateral, or at Secured
         Party's request Debtor shall, at Debtor's cost, assemble the
         Collateral and make it available at a location to be specified by
         Secured Party which is reasonably convenient to Debtor and Secured
         Party.  In any event, Debtor shall bear the risk of accidental loss or
         damage to or diminution in value of the Collateral, and Secured Party
         shall have no liability whatsoever for failure to obtain or maintain
         insurance, nor to determine whether any insurance ever in force is
         adequate as to amount or as to risk insured.

                 (c)      Sell or lease, in one or more sales or leases and in
         one or more parcels, or otherwise dispose of any or all of the
         Collateral in its then condition or in any other commercially
         reasonable manner as Secured Party may elect, in a public or private
         transaction, at any location as deemed reasonable by Secured Party
         (including, without limitation, Debtor's premises), either for cash or
         credit or for future delivery at such price as Secured Party may deem
         fair, and (unless prohibited by the Code, as adopted in any applicable
         jurisdiction) Secured Party, any Issuing Bank or any Lender may be the
         purchaser of any or all Collateral so sold and may apply upon the
         purchase price therefor any Obligations secured hereby.  Any such sale
         or transfer by Secured Party either to itself or to any other Person
         shall be absolutely free from any claim of right by Debtor, including
         any equity or right of redemption, stay or appraisal which Debtor has
         or may have under any rule of law, regulation or statute now existing
         or hereafter adopted.  Upon any such sale or transfer, Secured Party
         shall have the right to deliver, assign and transfer to the purchaser
         or transferee thereof the Collateral so sold or transferred.  It shall
         not be necessary that the Collateral or any part thereof be present at
         the location of any such sale or transfer.  Secured Party may, at its
         discretion, provide for a public sale, and any such public sale shall
         be held at





                                      -10-
<PAGE>   12
         such time or times within ordinary business hours and at such place or
         places as Secured Party may fix in the notice of such sale.  Secured
         Party shall not be obligated to make any sale pursuant to any such
         notice.  Secured Party may, without notice or publication, adjourn any
         public or private sale by announcement at any time and place fixed for
         such sale, and such sale may be made at any time or place to which the
         same may be so adjourned.  In the event any sale or transfer hereunder
         is not completed or is defective in the opinion of Secured Party, such
         sale or transfer shall not exhaust the rights of Secured Party
         hereunder, and Secured Party shall have the right to cause one or more
         subsequent sales or transfers to be made hereunder.  In the event that
         any of the Collateral is sold or transferred on credit, or to be held
         by Secured Party for future delivery to a purchaser or transferee, the
         Collateral so sold or transferred may be retained by Secured Party
         until the purchase price or other consideration is paid by the
         purchaser or transferee thereof, but in the event that such purchaser
         or transferee fails to pay for the Collateral so sold or transferred
         or to take delivery thereof, neither Secured Party, any Issuing Bank
         nor any Lender shall incur any liability in connection therewith.  If
         only part of the Collateral is sold or transferred such that the
         Obligations remain outstanding (in whole or in part), Secured Party's
         rights and remedies hereunder shall not be exhausted, waived or
         modified, and Secured Party is specifically empowered to make one or
         more successive sales or transfers until all the Collateral shall be
         sold or transferred and all the Obligations are paid.  In the event
         that Secured Party elects not to sell the Collateral, Secured Party
         retains its rights to lease or otherwise dispose of or utilize the
         Collateral or any part or parts thereof in any manner authorized or
         permitted by law or in equity, and to apply the proceeds of the same
         towards payment of the Obligations.  Each and every method of
         disposition of the Collateral described in this Section 6.02(c) or in
         Section 6.02(f) shall constitute disposition in a commercially
         reasonable manner.

                 (d)      Take possession of all books and records of Debtor
         pertaining to the Collateral.  Secured Party shall have the authority
         to enter upon any real or immoveable property or improvements thereon
         in order to obtain any such books or records, or any Collateral
         located thereon, and remove the same therefrom without liability.

                 (e)      Apply proceeds of the disposition of the Collateral
         to the Obligations in any manner elected by Secured Party and
         permitted by the Code or otherwise permitted by law or in equity.
         Such application may include, without limitation, the reasonable
         expenses of retaking, holding, preparing for sale or other
         disposition, and the reasonable attorneys' fees and legal expenses
         incurred by Secured Party, the Issuing Banks and the Lenders.

                 (f)      Appoint any Person as agent to perform any act or
         acts necessary or incident to any sale or transfer by Secured Party of
         the Collateral.  Additionally, any sale or transfer hereunder may be
         conducted by an auctioneer or any officer or agent of Secured Party.

                 (g)      Apply and set-off (i) any deposits of Debtor now or
         hereafter held by Secured Party, the Issuing Banks and the Lenders;
         (ii) all claims of Debtor against Secured Party, now or hereafter
         existing; (iii) any other Property, rights or interests of Debtor
         which come into the possession or custody or under the control of
         Secured Party; and (iv) the proceeds of any of the foregoing as if the
         same were included in the Collateral.  Secured Party agrees to notify
         Debtor promptly after any such set-off or application; provided,
         however, the failure of Secured Party to give any notice shall not
         affect the validity of such set-off or application.

                 (h)      With respect to the Collateral, receive, change the
         address for delivery, open and dispose of mail addressed to Debtor,
         and to execute, assign and endorse negotiable and other





                                      -11-
<PAGE>   13
         instruments for the payment of money, documents of title or other
         evidences of payment, shipment or storage for any form of Collateral
         on behalf of and in the name of Debtor.

                 (i)      Notify or require Debtor to notify Account Debtors
         that the Accounts have been assigned to Secured Party and direct such
         Account Debtors to make payments on the Accounts directly to Secured
         Party.  To the extent Secured Party does not so elect, Debtor shall
         continue to collect and retain the Accounts.  Secured Party or its
         designee shall also have the right, in its own name or in the name of
         Debtor, to do any of the following:  (i) to demand, collect, receipt
         for, settle, compromise any amounts due, give acquittances for,
         prosecute or defend any action which may be in relation to any monies
         due or to become due by virtue of, the Accounts; (ii) to sell,
         transfer or assign or otherwise deal in the Accounts or the proceeds
         thereof or the related goods, as fully and effectively as if Secured
         Party were the absolute owner thereof; (iii) to extend the time of
         payment of any of the Accounts, to grant waivers and make any
         allowance or other adjustment with reference thereto; (iv) to endorse
         the name of Debtor on notes, checks or other evidences of payments on
         Collateral that may come into possession of Secured Party; (v) to take
         control of cash and other proceeds of any Collateral; (vi) to sign the
         name of Debtor on any invoice or bill of lading relating to any
         Collateral, or any drafts against Account Debtors or other persons
         making payment with respect to Collateral; (vii) to send a request for
         verification of Accounts to any Account Debtor; and (viii) to do all
         other acts and things necessary to carry out the intent of this
         Agreement.

                 (j)      Exercise all other rights and remedies permitted by
         law or in equity.

         Section 6.03     Liability for Deficiency.  If any sale or other
disposition of Collateral by Secured Party or any Issuing Bank or any other
action of Secured Party, any Issuing Bank or any Lender hereunder results in
reduction of the Obligations, such action will not release Debtor from its
liability to Secured Party, the Issuing Banks and the Lenders for any unpaid
Obligations, including costs, charges and expenses incurred in the liquidation
of Collateral, together with interest thereon, and the same shall be
immediately due and payable to Secured Party at Secured Party's address set
forth on the signature page of this Security Agreement.

         Section 6.04     Reasonable Notice.  If any applicable provision of
any law requires Secured Party any Issuing Bank or any Lender to give
reasonable notice of any sale or disposition or other action, Debtor hereby
agrees that fifteen (15) days' prior written notice shall constitute reasonable
notice thereof.  Such notice, in the case of public sale, shall state the time
and place fixed for such sale and, in the case of private sale, the time after
which such sale is to be made.

         Section 6.05     Account Debtors.  Any payment or settlement of an
Account made by an Account Debtor will be, to the extent of such payment or to
the extent provided under such settlement, a release, discharge and acquittance
of the Account Debtor with respect to such Account, and Debtor shall take any
action as may be required by Secured Party in connection therewith.  No Account
Debtor on any Account will ever be bound to make inquiry as to the termination
of this Agreement or the rights of Secured Party to act hereunder, but shall be
fully protected by Debtor in making payment directly to Secured Party.





                                      -12-
<PAGE>   14
                                  ARTICLE VIII

                                 MISCELLANEOUS

         Section 7.01     Notices.  Any notice required or permitted to be
given under or in connection with this Security Agreement shall be given in
accordance with the notice provisions of the Guaranty Agreement.

         Section 7.02     Amendments and Waivers.  Secured Party's, any Issuing
Bank's or any Lender's acceptance of partial or delinquent payments or any
forbearance, failure or delay by the Secured Party in exercising any right,
power or remedy hereunder shall not be deemed a waiver of any obligation of
Debtor or any Obligor, or of any right, power or remedy of Secured Party; and
no partial exercise of any right, power or remedy shall preclude any other or
further exercise thereof.  Secured Party may remedy any Event of Default
hereunder or in connection with the Obligations without waiving the Event of
Default so remedied.  Debtor hereby agrees that if Secured Party agrees to a
waiver of any provision hereunder, or an exchange of or release of the
Collateral, or the addition or release of any Obligor, any such action shall
not constitute a waiver of any of Secured Party's other rights or of Debtor's
obligations hereunder.  This Security Agreement may be amended only by the
manner set forth in Section 8.02 of the Credit Agreement by an instrument in
writing executed jointly by Debtor and Secured Party and may be supplemented
only by documents delivered or to be delivered in accordance with the express
terms hereof.

         Section 7.03     Copy as Financing Statement.  A photocopy or other
reproduction of this Security Agreement or any financing statement covering the
Collateral is sufficient as a financing statement, and the same may be filed
with any appropriate filing authority for the purpose of perfecting Secured
Party's security interest in the Collateral.

         Section 7.04     Possession of Collateral.  Secured Party shall be
deemed to have possession of any Collateral in transit to it or set apart for
it (or, in either case, any of its agents, affiliates or correspondents).

         Section 7.05     Redelivery of Collateral.  If any sale or transfer of
Collateral by Secured Party results in full satisfaction of the Obligations,
and after such sale or transfer and discharge there remains a surplus of
proceeds, Secured Party will deliver to Debtor such excess proceeds in a
commercially reasonable time; provided, however, that neither Secured Party,
any Issuing Bank nor any Lender shall be liable for any interest, cost or
expense in connection with any delay in delivering such proceeds to Debtor.

         Section 7.06     Governing Law; Jurisdiction.  This Security Agreement
and the security interest granted hereby shall be construed in accordance with
and governed by the laws of the State of Texas (except to the extent that the
laws of any other jurisdiction govern the perfection and priority of the
security interests granted hereby).  Debtor consents to and submits to in
personam jurisdiction and venue in the state district and county courts of the
county wherein Secured Party's offices are located at the address specified on
the signature page hereof, and in the Federal District Courts of the district
wherein such offices of Secured Party are located.  This submission to
jurisdiction is nonexclusive and does not preclude Secured Party, any Issuing
Bank or any Lender from obtaining jurisdiction over Debtor or the Collateral in
any court otherwise having jurisdiction.





                                      -13-
<PAGE>   15
         Section 7.07     Cumulative and Other Rights.  The rights, powers and
remedies of Secured Party hereunder are in addition to all rights, powers and
remedies given by law or in equity.  The exercise by Secured Party, any Issuing
Bank or any Lender of any one or more of the rights, powers and remedies herein
shall not be construed as a waiver of any other rights, powers and remedies,
including, without limitation, any other rights of set-off.  If any of the
Obligations are given in renewal, extension for any period or rearrangement, or
applied toward the payment of debt secured by any lien, Secured Party shall be,
and is hereby, subrogated to all the rights, titles, interests and liens
securing the debt so renewed, extended, rearranged or paid.

         Section 7.08     Subrogation.  Until the Obligations have been paid in
full, Debtor hereby waives any claim, right or remedy which Debtor may now have
or hereafter acquire against the Company which arises out of this Security
Agreement or from the performance by Debtor hereunder, including without
limitation, any claim, remedy or right of subrogation, reimbursement,
exoneration, indemnification, or participation in any such claim, right or
remedy of any other Person against the Company; provided, however,
notwithstanding the foregoing, Debtor reserves its rights of contribution and
reimbursement, if any, from any Obligor.  Until the Obligations have been paid
in full, Debtor further waives any benefit of any right to participate in any
security now or hereafter held by Secured Party, the Issuing Banks and/or the
Lenders.

         Section 7.09     Continuing Security Agreement.

         (a)     This Security Agreement shall constitute a continuing security
agreement, and all representations and warranties, covenants and agreements
shall, as applicable, apply to all future as well as existing transactions.
Provisions of this Security Agreement, unless they are by their terms
exclusive, shall be in addition to other agreements between the parties.

         (b)     Except as may be expressly applicable pursuant to Section
9.505 of the Code, no action taken or omission to act by Secured Party, the
Issuing Banks or the Lenders hereunder, including, without limitation, any
action taken or inaction pursuant to Section 6.02, shall be deemed to
constitute a retention of the Collateral in satisfaction of the Obligations or
otherwise to be in full satisfaction of the Obligations, and the Obligations
shall remain in full force and effect, until Secured Party, the Issuing Banks
and the Lenders shall have applied payments (including, without limitation,
collections from Collateral) towards the Obligations in the full amount then
outstanding or until such subsequent time as is hereinafter provided in
subsection (c) below.

         (c)     To the extent that any payments on the Obligations or proceeds
of the Collateral are subsequently invalidated, declared to be fraudulent or
preferential, set aside or required to be repaid to a trustee, debtor in
possession, receiver or other Person under any bankruptcy law, common law or
equitable cause, then to such extent the Obligations so satisfied shall be
revived and continue as if such payment or proceeds had not been received by
Secured Party, the Issuing Banks or the Lenders, and Secured Party's, the
Issuing Banks' and the Lenders' security interests, rights, powers and remedies
hereunder shall continue in full force and effect.  In such event, this
Security Agreement shall be automatically reinstated if it shall theretofore
have been terminated pursuant to Section 7.10.

         (d)     In the event that the Obligations are structured such that
there are times when no Indebtedness is owing thereunder, this Security
Agreement shall remain valid and in full force and effect as to all subsequent
indebtedness included in the Obligations, provided Secured Party has not in the
interim period executed a written release or termination statement or returned
possession of or reassigned the Collateral to Debtor.





                                      -14-

<PAGE>   16
         Section 7.10     Termination.  The grant of a security interest
hereunder and all of Secured Party's, the Issuing Banks' and the Lenders'
rights, powers and remedies in connection therewith shall remain in full force
and effect until Secured Party has retransferred and delivered all Collateral
in its possession to Debtor, and executed a written release or termination
statement and reassigned to Debtor without recourse or warranty any remaining
Collateral and all rights conveyed hereby.  Upon the complete payment of the
Obligations and the compliance by Debtor with all covenants and agreements
hereof, Secured Party, at the written request and expense of Debtor, will
release, reassign and transfer the Collateral to Debtor and declare this
Security Agreement to be of no further force or effect.  Notwithstanding the
foregoing, the provisions of Section 7.09(c) shall survive the termination of
this Security Agreement.

         Section 7.11     Counterparts, Effectiveness.  This Security Agreement
may be executed in two or more counterparts.  Each counterpart is deemed an
original, but all such counterparts taken together constitute one and the same
instrument.  This Security Agreement becomes effective upon the execution
hereof by Debtor and delivery of the same to Secured Party, and it is not
necessary for Secured Party, the Issuing Banks or any Lender to execute any
acceptance hereof or otherwise signify or express its acceptance hereof.

         Section 7.12     Headings Descriptive.  All titles or headings to
articles, sections, subsections or other divisions of this Security Agreement
or the exhibits hereto are only for the convenience of the parties and shall
not be construed to have any effect or meaning with respect to the other
content of such articles, sections, subsections or other divisions, such other
content being controlling as to the agreement between the parties hereto.

         Section 7.13     Delivery of Copy/Waiver.  The Debtor hereby
acknowledges receiving a copy of this Security Agreement.  The Debtor waives
all rights to receive from the Secured Party a copy of any financing statement
or financing change statement filed or registered or verification statement
issued at any time in respect of this Security Agreement.





                                      -15-

<PAGE>   17
DEBTOR:                                 TESORO EXPLORATION AND PRODUCTION
                                        COMPANY


                                        By: /s/ William T. VanKleef
                                            -----------------------
                                        Name:  William T. VanKleef
                                        Title: Vice President and Treasurer


                                        Address of Chief Executive Office and
                                        Location of the Collateral:

                                        8700 Tesoro Drive
                                        San Antonio, Texas  78217


SECURED PARTY:                          TEXAS COMMERCE BANK NATIONAL
                                        ASSOCIATION, AS AGENT


                                        By: /s/ P. Stan Burge
                                            -----------------------
                                        Name:  P. Stan Burge
                                        Title: Vice President

                                        Address:

                                        712 Main Street
                                        Houston, Texas  77002





                                      -16-

<PAGE>   18
                              FINANCING STATEMENT


         This Financing Statement is presented to a filing officer for filing
pursuant to the Uniform Commercial Code.

1.       The name and address of the Debtor is:

         TESORO EXPLORATION AND PRODUCTION COMPANY
         8700 Tesoro Drive
         San Antonio, Texas  78217
         Federal Tax Identification No.: 74-2307903

2.       The name and address of the Secured Party is:

         TEXAS COMMERCE BANK NATIONAL ASSOCIATION, as Agent
         712 Main Street
         Houston, Texas   77002
         Federal Tax Identification No.: 74-0800980

3.       This Financing Statement covers the following Collateral:

                 (a)      all of Debtor's accounts and inventory;

                 (b)      (i) any property from time to time delivered to or
         deposited with Secured Party by or for the account of Debtor which is
         related to any property referred to in clause (a) of this item 3; and
         (ii) all certificates of title or other documents evidencing ownership
         or possession of or otherwise relating to any property referred to in
         clause (a) of this item 3;

                 (c)      (i) all goods which were at any time included in the
         Collateral described in clause (a) of this item 3 and which are
         returned to or for the account of Debtor following their sale, lease
         or other disposition; (ii), all policies of insurance (whether or not
         required by Secured Party) covering any property referred to in this
         item 3; and (iii),  all proceeds, products, replacements, additions
         to, substitutions for, accessions of, and property necessary for the
         operation of any of the property referred to in this item 3,
         including, without limitation, insurance payable as a result of loss
         or damage to any of the property referred to in this item 3, refunds
         of unearned premiums of any such insurance policy and claims against
         third parties;

                 (d)      all books and records related to any of the property
         referred to in this item 3, including, without limitation, any and all
         books of account, customer lists and other records relating in any way
         to the Collateral described in this item 3;

                 (e)      all of Debtor's general intangibles which are related
         (but only those related) to any property referred to in this item 3,
         including, without limitation, all (i) letters of credit, bonds,
         guaranties, purchase or sales agreements and other contractual rights,
         rights to performance, and claims for damages, refunds (including tax
         refunds) or other monies due or to become due; (ii) orders,
         franchises, permits, certificates, licenses, consents, exemptions,
         variances, authorizations or other approvals by any governmental
         authority; (iii) business records, computer tapes and computer
         software; and (iv) other intangible personal property, whether

<PAGE>   19
         similar or dissimilar to the other property described or referred to
in clause (a) of this item 3; and

                 (f)      all of Debtor's chattel paper, documents and
         instruments related to or arising out of any property referred to in
         clause (a) of this item 3.

         The Collateral shall not include and shall be exclusive of any
equipment.


DEBTOR:                                    TESORO EXPLORATION AND PRODUCTION
                                           COMPANY



                                           By: /s/ William T. VanKleef
                                               -----------------------
                                           Name:  William T. VanKleef
                                           Title: Vice President and Treasurer





                                      -2-

<PAGE>   1
                                                                  EXHIBIT 10.10


                               SECURITY AGREEMENT

                            (Accounts and Inventory)



                                    Between

                  TESORO REFINING, MARKETING & SUPPLY COMPANY

                                      and

                   TEXAS COMMERCE BANK NATIONAL ASSOCIATION,
                                    AS AGENT



                                 April 20, 1994
<PAGE>   2
                               SECURITY AGREEMENT

                             ACCOUNTS AND INVENTORY

         THIS SECURITY AGREEMENT is made as of April 20, 1994, between TESORO
REFINING, MARKETING & SUPPLY COMPANY, a Delaware corporation ("Debtor"), and
TEXAS COMMERCE BANK NATIONAL ASSOCIATION, a national banking association, as
Agent ("Secured Party"), for itself, the Issuing Banks and the Lenders.

                                    RECITALS

         A.      On even date herewith, Tesoro Petroleum Corporation (the
"Company"), Texas Commerce Bank National Association, individually, as Agent
and as an Issuing Bank, Banque Paribas, individually, as Co-Agent and as an
Issuing Bank, and the other financial institutions parties thereto entered into
a Credit Agreement (as amended from time to time, the "Credit Agreement").

         B.      The conditions precedent to the effectiveness of the Credit
Agreement and the obligations of the Lenders to make the initial Loans and the
Issuing Banks to issue Letters of Credit thereunder, include the execution and
delivery by Debtor of this Security Agreement, and Debtor has agreed to enter
into this Security Agreement.

         C.      Therefore, (i) in order to comply with the terms and
conditions of the Credit Agreement, (ii) to induce the Lenders at any time from
time to time to loan monies and the Issuing Banks to issue Letters of Credit,
with or without security to or for the account of the Company in accordance
with the terms of the Credit Agreement, (iii) at the special insistence and
request of the Agent, the Issuing Banks and the Lenders, and (iv) for other
good and valuable consideration, the receipt and sufficiency of which are
hereby acknowledged, Debtor hereby agrees with Secured Party as follows:


                                   ARTICLE I

                                  DEFINITIONS

         Section 1.01     Terms Defined Above.  As used in this Security
Agreement, the terms "Company,"  "Credit Agreement," "Debtor" and "Secured
Party" shall have the meanings respectively assigned to them.

         Section 1.02     Certain Definitions.  As used in this Security
Agreement, the following terms shall have the following meanings, unless the
context otherwise requires:

                 "Accounts" shall mean all accounts (as such term is defined 
         in the Code).

                 "Account Debtor" shall mean any Person liable (whether
         directly or indirectly, primarily or secondarily) for the payment or
         performance of any obligations included in the Collateral, whether as
         an account debtor (as defined in the Code), obligor on an instrument,
         issuer of documents or securities, guarantor or otherwise.

                 "Code" shall mean the Uniform Commercial Code as presently in
         effect in the State of Texas, Texas Business and Commerce Code,
         Chapters 1 through 9.
<PAGE>   3
                 "Collateral" shall mean the following types or items of
         Property (including Property hereafter acquired by Debtor as well as
         Property which Debtor now owns or in which Debtor has rights):

                 (a)      all of Debtor's Accounts and Inventory;

                 (b)      (i) any Property from time to time delivered to or
         deposited with Secured Party by or for the account of Debtor which is
         related to any Property referred to in clause (a) of this definition;
         and (ii) all certificates of title or other documents evidencing
         ownership or possession of or otherwise relating to any Property
         referred to in clause (a) of this definition;

                 (c)      (i) all goods which were at any time included in the
         Collateral described in clause (a) of this definition and which are
         returned to or for the account of Debtor following their sale, lease
         or other disposition; (ii) all policies of insurance (whether or not
         required by Secured Party) covering any Property referred to in this
         definition; and (iii) all proceeds, products, replacements, additions
         to, substitutions for, accessions of, and Property necessary for the
         operation of any of the Property referred to in this definition,
         including, without limitation, insurance payable as a result of loss
         or damage to any of the Property referred to in this definition,
         refunds of unearned premiums of any such insurance policy and claims
         against third parties;

                 (d)      all books and records related to any of the Property
         referred to in this definition, including, without limitation, any and
         all books of account, customer lists and other records relating in any
         way to the Collateral described in this definition;

                 (e)      all of Debtor's general intangibles (as defined in
         the Code) which are related (but only those related) to any Property
         referred to in this definition, including, without limitation, all (i)
         letters of credit, bonds, guaranties, purchase or sales agreements and
         other contractual rights, rights to performance, and claims for
         damages, refunds (including tax refunds) or other monies due or to
         become due; (ii) orders, franchises, permits, certificates, licenses,
         consents, exemptions, variances, authorizations or other approvals by
         any Governmental Authority; (iii) business records, computer tapes and
         computer software; and (iv) other intangible personal property,
         whether similar or dissimilar to the Property referred to in clause
         (a) of this definition; and

                 (f)      all of Debtor's chattel paper, documents and
         instruments (as such terms are defined in the Code) related to or
         arising out of any Property referred to in clause (a) of this
         definition.

                 It is expressly contemplated that additional Property may from
         time to time be pledged, assigned or granted to Secured Party as
         additional security for the Obligations, and, if so, then the term
         "Collateral" as used herein shall be deemed for all purposes hereof to
         include all such additional Property, together with all other Property
         of the types described above related thereto.  It is expressly agreed
         that Collateral shall not include and shall be exclusive of any
         equipment.

                 "Event of Default" shall have the meaning assigned such term 
         in Section 6.01 of this Security Agreement.

                 "Inventory" shall mean all inventory (as defined in the Code).


                                        -2-
<PAGE>   4


                 "Obligations" shall mean with respect to the Debtor, the
         Obligations (as defined in the Guaranty Agreement) to the extent the
         Debtor is liable therefor as provided in the Guaranty Agreement.  The
         Obligations are Senior Debt as such term is defined in that certain
         Subordination Agreement dated December 15, 1992 among the Company,
         Tesoro Alaska Petroleum Company and the State of Alaska attached to
         the Settlement Agreement among the Company, Tesoro Alaska Petroleum
         Company and the State of Alaska.

                 "Obligor" shall mean the Company and any other Person, other
         than Debtor, liable (whether directly or indirectly, primarily or
         secondarily) for the payment or performance of any of the Obligations
         whether as maker, co-maker, endorser, guarantor, accommodation party,
         general partner or otherwise; and the term "Obligor" shall
         specifically include each Guarantor, other than Debtor, named in the
         Credit Agreement.

                 "Property" shall mean any interest in any kind of property or
         asset, whether real, personal or mixed, or tangible or intangible.

                 "Security Agreement" shall mean this Security Agreement, as
         the same may be amended, modified or supplemented from time to time.

         Section 1.03     Other Defined Terms.  Unless otherwise defined herein,
all terms beginning with a capital letter which are defined in the Credit
Agreement shall have the meanings assigned therein, unless the context hereof
requires otherwise.  All uncapitalized terms which are defined in the Code
shall have their respective meanings as used in the Code, unless the context
hereof requires otherwise.


                                   ARTICLE II

                               SECURITY INTEREST

         Section 2.01     Grant of Security Interest.  Debtor hereby assigns
and grants to Secured Party, for its benefit and the benefit of the Lenders and
the Issuing Banks, a security interest in, lien upon and right of set-off
against the Collateral to secure the prompt payment and performance of the
Obligations.


                                  ARTICLE III

                         REPRESENTATIONS AND WARRANTIES

         Debtor represents and warrants to Secured Party, the Issuing Banks and
the Lenders (which representations and warranties will survive the creation and
payment of the Obligations) that:

         Section 3.01     First Priority Security Interest.  The grant of the
security interest in the Collateral pursuant to this Security Agreement creates
a valid and perfected first priority security interest in the Collateral,
enforceable against Debtor and all third parties and securing payment of the
Obligations.

         Section 3.02     No Filings By Third Parties.  No financing statement
or other public notice or recording covering the Collateral is on file in any
public office (other than any financing statement or other public notice or
recording naming Secured Party as the secured party therein), and Debtor will
not


                                            -3-
<PAGE>   5

execute any such financing statement or other public notice or recording so
long as any of the Obligations are outstanding.

         Section 3.03     No Name Changes.  Debtor has not, during the
preceding five years, entered into any contract, agreement, security instrument
or other document using a name other than, or been known by or otherwise used
any name other than, the name used by Debtor herein.

         Section 3.04     Location of Debtor and Collateral.  Debtor's chief
executive office and Debtor's records concerning the Collateral are located at
the address or location set forth on the signature page hereof.  The Collateral
is located at such address or at the location(s), if any, specified in Exhibit
A hereto.  Any Collateral not at such location(s) nevertheless remains subject
to Secured Party's security interest.

         Section 3.05     Collateral.  All statements or other information
provided by Debtor to Secured Party, any Issuing Bank or any Lender with
respect to the Collateral is or (in the case of subsequently furnished
information) will be when provided correct and complete in all material
respects.  The delivery at any time by Debtor to Secured Party of additional
Collateral or of additional descriptions of Collateral shall constitute a
representation and warranty by Debtor to Secured Party hereunder that the
representations and warranties of this Article III are correct insofar as they
would pertain to such Collateral or the descriptions thereof.

         Section 3.06     Accounts.

         (a)     Each Account represents the genuine, valid and legally
enforceable indebtedness of an Account Debtor arising from the sale, lease or
rendition by Debtor of goods or services and is not and will not be subject to
contra accounts, set-offs, defenses, counterclaims, allowances or adjustments
(other than discounts for prompt payment shown on the invoice), or objections
or complaints by the Account Debtor concerning its liability on the Account;
and any goods, the sale of which gave rise to an Account, have not been
returned or rejected by the Account Debtor or lost or damaged prior to receipt
by the Account Debtor.

         (b)     The amount shown as to each Account on Debtor's books is or
will be the true and undisputed amount owing and unpaid thereon.  Except as
disclosed in writing to Secured Party, each Account arose or shall have arisen
in the ordinary course of Debtor's business; provided, however, that any
Accounts which arose or hereafter arise outside the ordinary course of Debtor's
business shall nevertheless be included as part of the Collateral.  Debtor has
no knowledge of any bankruptcy, insolvency or other action affecting creditors'
rights with respect to any Account Debtor.

         (c)     Except as disclosed in writing to Secured Party, each invoice
or agreement evidencing the Accounts is or will be due and payable not more
than 90 days from the date thereof; provided, however, that any Accounts not so
due and payable shall nevertheless be included as part of the Collateral.

         Section 3.07     Delivery of Documents or Letters of Credit.  With
respect to any Inventory or other Collateral covered by one or more
certificates of title or other documents evidencing ownership or possession
thereof, and with respect to any Accounts or other Collateral supported by
letters of credit, each of such certificates, documents or letters of credit
has been delivered to Secured Party (provided, however, that all certificates,
documents and letters of credit referred to in Section 1.02 shall be subject


                                      -4-
<PAGE>   6
to the security interest created by this Security Agreement irrespective of 
whether or not such delivery shall have been made).

         Section 3.08     Ownership of Collateral; Encumbrances; Valid and
Binding Agreement.  Debtor is the legal and beneficial owner of the Collateral
free and clear of any adverse claim, lien, security interest, option or other
charge or encumbrance except for the security interest created by this
Agreement, and Debtor has full right, power and authority to assign and grant a
security interest in the Collateral to Secured Party.  This Agreement
constitutes a legal, valid and binding obligation of Debtor enforceable against
Debtor in accordance with its terms.  The execution, delivery and performance
of this Agreement will not violate the terms of any contract, agreement, law,
regulation, order, injunction, judgment, decree or writ to which Debtor is
subject and does not require the consent or approval of any other Person.

         Section 3.09     No Required Consent.  No authorization, consent,
approval or other action by, and no notice to or filing with, any governmental
authority or regulatory body (other than the filing of financing statements) is
required for (i) the due execution, delivery and performance by Debtor of this
Agreement, (ii) the grant by Debtor of the security interest granted by this
Agreement, (iii) the perfection of such security interest or (iv) the exercise
by Secured Party of its rights and remedies under this Agreement.


                                   ARTICLE IV

                            COVENANTS AND AGREEMENTS

         Debtor covenants and agrees that so long as any part of the
Obligations are outstanding:

         Section 4.01     Change in Location of Collateral or Debtor.  Debtor
will give Secured Party 30 days' prior written notice of (i) any change in
location of the Collateral to a jurisdiction other than Texas, Alaska,
California, Oregon or Washington and which would cause the Secured Party to be
unperfected in the Collateral, (ii) the opening or closing of any place of
Debtor's business or (iii) any change in the location of Debtor's chief
executive office or address.

         Section 4.02     Documents; Collateral in Possession of Third Parties.
If certificates of title or other documents evidencing ownership or possession
of the Collateral are issued or outstanding, Debtor will cause the security
interest of Secured Party to be properly noted thereon and will, forthwith upon
receipt, deliver same to Secured Party.  If any Collateral is at any time in
the possession or control of any warehouseman, bailee, agent or independent
contractor, Debtor shall notify such Person of Secured Party's security
interest in such Collateral.  Upon Secured Party's request, Debtor shall
instruct any such Person to hold all such Collateral for Secured Party's
account subject to Debtor's instructions, or, if an Event of Default shall have
occurred, subject to Secured Party's instructions.

         Section 4.03     Delivery of Letters of Credit and Instruments;
Proceeds.  Debtor will deliver each letter of credit, if any, included in the
Collateral to Secured Party, in each case forthwith upon receipt by or for the
account of Debtor.  If any Account becomes evidenced by a promissory note,
trade acceptance or any other instrument for the payment of money (other than
checks or drafts in payment of Accounts collected by Debtor in the ordinary
course of business prior to notification by Secured Party under Section 5.04),
Debtor will immediately deliver such instrument to Secured Party appropriately
endorsed to Secured Party, as collateral assignee and, regardless of the form
of presentment, demand, notice of dishonor, protest and notice of protest with
respect thereto, Debtor will remain liable thereon


                                   -5-
<PAGE>   7
until such instrument is paid in full.  Except as permitted by Sections 4.03,
4.08 and 4.09, Debtor will deliver to Secured Party all proceeds from the sale
or other disposition of the Collateral promptly upon receipt.  If chattel
paper, documents or instruments are received as proceeds, which are required to
be delivered to Secured Party, they will be, immediately upon receipt, properly
endorsed or assigned and delivered to Secured Party as Collateral.

         Section 4.04     Sale, Disposition or Encumbrance of Collateral.
Except (i) as permitted by Section 4.08, or (ii) with the prior written consent
of the Majority Lenders, Debtor will not in any way encumber any of the
Collateral (or permit or suffer any of the Collateral to be encumbered) or
sell, assign, lend, rent, lease or otherwise dispose of or transfer any of the
Collateral to or in favor of any Person other than Secured Party.

         Section 4.05     Intentionally left blank.

         Section 4.06     Records and Information.

         (a)     Debtor shall keep accurate and complete records of the
Collateral (including proceeds).  These records shall reflect complete and
accurate stock records of the Inventory and all facts concerning each Account.
Debtor shall conduct a physical count of the Inventory at such intervals as
Secured Party requests and promptly supply Secured Party with a copy of such
count accompanied by a report of the value (valued at the lower of cost or
market value) of the Inventory.  Secured Party may at any time have access to,
examine, audit, make extracts from and inspect without hindrance or delay
Debtor's records, files and the Collateral.

         (b)     Debtor will promptly furnish such information as Secured Party
may from time to time reasonably request regarding (i) the business, affairs or
financial condition of Debtor or (ii) the Collateral or Secured Party's rights
or remedies with respect thereto.  Any balance sheets or financial statements
requested by Secured Party pursuant to this Section 4.06(b) shall conform to
generally accepted accounting principles.

         (c)     Debtor recognizes that financing statements pertaining to the
Collateral will be filed with the offices of the Secretary of State of Texas,
the Alaska Department of Natural Resources, the Secretary of State of
California, the Secretary of State of Oregon and the Department of Licensing of
the State of Washington.  Debtor will immediately notify Secured Party of any
condition or event that may change the proper location for the filing of any
financing statements or other public notice or recordings for the purpose of
perfecting a security interest in the Collateral.  Without limiting the
generality of the foregoing, Debtor will (i) immediately notify Secured Party
of any change to a jurisdiction other than as represented in Section 3.04 (A)
in the location of Debtor's chief executive office or chief place of business,
(B) in the location of the office where Debtor keeps its records concerning the
Accounts, or (C) in the "location" of Debtor within the meaning of Section
9-103(c) of the Code; (ii) immediately notify Secured Party of any change in
the location of the Collateral to any jurisdiction other than the States of
Texas, Alaska, California, Oregon and Washington; and (ii) notify Secured Party
30 days prior to any change in Debtor's name, identity or corporate structure
or Tax Identification Number.  In any notice furnished pursuant to this
paragraph, Debtor will expressly state that the notice is required by this
Security Agreement and contains facts that will or may require additional
filings of financing statements or other notices for the purpose of continuing
perfection of Secured Party's security interest in the Collateral.  Debtor will
promptly provide written notice to Secured Party of all information which in
any way relates to or affects the Collateral generally, Secured Party's rights
or remedies with respect thereto,



                                      -6-
<PAGE>   8
the filing of any financing statement or other public notices or recordings, 
or the delivery and possession of items of Collateral for the purpose of 
perfecting a security interest in the Collateral.

         Section 4.07     Further Assurances.  Upon the request of Secured
Party, Debtor shall (at Debtor's expense) execute and deliver all such
assignments, certificates, financing statements or other documents and give
further assurances and do all other acts and things as Secured Party may
reasonably request to perfect Secured Party's interest in the Collateral or to
protect, enforce or otherwise effect Secured Party's rights and remedies
hereunder.

         Section 4.08     Inventory.  Unless an Event of Default has occurred
and is continuing and after any applicable notice and cure periods provided for
in the Credit Agreement, Debtor may use the Inventory in any lawful manner not
inconsistent with this Security Agreement and with the terms of insurance
thereon and may sell, lease or otherwise dispose of its Inventory for cash or
terms in the ordinary course of business, and Debtor may retain the proceeds of
such sales, leases or other dispositions (subject to Section 4.03 and Section
4.09); provided, however, the Inventory shall remain in Debtor's possession and
control at all times prior to sale, lease or other disposition at Debtor's
address set forth in Section 3.04.  Debtor shall bear any risk of loss of the
Inventory.  Debtor shall not use any item of Inventory in a manner inconsistent
with the holding thereof for sale, lease or other disposition in the ordinary
course of business or in contravention of the terms of any agreement.  Upon the
occurrence and continuance of an Event of Default and after any applicable cure
period, Debtor will not sell, lease or otherwise dispose of any of the
Inventory without the prior written consent of the Majority Lenders, and Debtor
shall immediately deliver to Secured Party any checks, cash or other forms of
payment which Debtor receives in connection with any Inventory, appropriately
endorsed.

         Section 4.09     Accounts.

         (a)     Prior to notification by Secured Party under Section 6.02(i),
Debtor will collect the Accounts in the ordinary course of its business and may
retain the proceeds of such collections (subject to Section 4.03).

         (b)     Debtor shall immediately notify Secured Party in writing in
the event that any representation given in Article III with respect to any
Account ceases to be true and correct in all material respects; such notice
specifying other representation(s) that cease to be true and correct and the
action, if any, that Debtor proposes to take with respect thereto.

         (c)     Debtor will not modify, extend or substitute any contract, the
terms of which shall at any time have given rise to an Account, except in the
ordinary course of business or with the prior written consent of Secured Party.
Debtor will not re-date any invoice or sale or make sales with an extended
payment date beyond that customary in the industry, and in no event longer than
90 days.  Debtor shall not adjust, settle, discount or compromise any of the
Accounts, except in the ordinary course of business or with the prior written
consent of Secured Party.

         (d)     Debtor will duly perform or cause to be performed all of
Debtor's obligations with respect to the Accounts and the underlying sales of
goods or other transactions giving rise to the Accounts.

         Section 4.10     Condition of Collateral.  Debtor will maintain all
Collateral in good condition and in accordance with industry standards and
practices.  Debtor will not misuse, abuse, waste, destroy or


                                     -7-
<PAGE>   9
endanger the Collateral nor allow it to be used
in any manner other than its intended use.  Debtor will not use any Collateral
in violation of any Governmental Requirement, or suffer it to be so used.

         Section 4.11     Collateral Separate and Distinct.  Debtor shall at
all times keep the Collateral, including proceeds, or cause it to be kept (when
in the possession of warehousemen, bailees, agents, independent contractors or
other third parties), separate and distinct from other Property.

         Section 4.12     Change in Debtor's Name or Corporate Structure.
Debtor will not change its name, identity or corporate structure (including,
without limitation, any merger, consolidation or sale of substantially all of
its assets) without notifying Secured Party of such change in writing at least
30 days prior to the effective date of such change.  Without the express
written consent of Secured Party, however, Debtor will not engage in any other
business or transaction under any name other than Debtor's name hereunder.


                                   ARTICLE V

                  RIGHTS, DUTIES, AND POWERS OF SECURED PARTY

         The following rights, duties and powers of Secured Party are
applicable irrespective of whether an Event of Default has occurred and is
continuing, but only after having given Debtor at least three (3) days prior
notice:

         Section 5.01     Attorney-in-Fact.  Secured Party is hereby fully
authorized and empowered (without the necessity of any further consent or
authorization from Debtor) and the right is expressly granted to Secured Party,
and Debtor hereby irrevocably appoints and makes Secured Party as Debtor's
attorney-in-fact, with full authority in the place and stead of Debtor and in
the name of Debtor or otherwise, from time to time in Secured Party's
discretion, but at Debtor's cost and expense to:

                 (a)      obtain, adjust, sell and cancel any insurance with
         respect to the Collateral and endorse any draft drawn by insurers of
         the Collateral, and Secured Party may apply any proceeds or unearned
         premiums of such insurance to the Obligations (whether or not due);
         and

                 (b)      take any action and to execute any assignment,
         certificate, financing statement, notification, document or instrument
         which Secured Party may deem necessary or advisable to accomplish the
         purposes of this Security Agreement, including, without limitation, to
         receive, endorse and collect all instruments made payable to Debtor
         representing any payment or other distribution in respect of the
         Collateral or any part thereof and to give full discharge for the
         same.

         Section 5.02     Transfer of Collateral.  Secured Party may transfer
any or all of the Obligations, and upon any such transfer, Secured Party may
transfer its interest in any or all of the Collateral and shall be fully
discharged thereafter from all liability therefor.  Any transferee of the
Collateral shall be vested with all rights, powers and remedies of Secured
Party hereunder.

         Section 5.03     Purchase Money Financing.  To the extent that the
Lenders have advanced or will advance funds to or for the account of Debtor to
enable Debtor to purchase or otherwise acquire specific types or items of
Collateral, the Lenders may at their option pay such funds (i) directly to the
Person from whom Debtor will make such purchase or acquire such rights or (ii)
to Debtor, in which case



                                        -8-
<PAGE>   10
Debtor covenants promptly to pay the same to such Person and forthwith furnish
to Secured Party, on request, evidence satisfactory to Secured Party that such
payment has been made from the funds so provided by Secured Party for such
payment.

         Section 5.04     Proceeds.  If so requested by Debtor, any payments
received by Secured Party on the Accounts or as proceeds of other Collateral
shall upon final collection by Secured Party be credited towards payment of the
Obligations.  In the absence of such request from Debtor, and until so
requested, Secured Party may hold such collected payments as cash Collateral
(and Secured Party may at any time place a hold or freeze on all or a part of
any deposit account of Debtor containing deposits of such payments up to the
amount of such deposits).

         Section 5.05     Discharge Encumbrances.  Secured Party may, at its
option, discharge any taxes, Liens, security interests or other encumbrances at
any time levied or placed on the Collateral, may pay for insurance on the
Collateral and may pay for the maintenance and preservation of the Collateral.
Debtor agrees to reimburse Secured Party upon demand for any payment so made,
plus interest on the portion thereof from time to time remaining unpaid from
the date of Secured Party's demand at the rate for overdue principal and
interest set forth in Section 2.06(c) of the Credit Agreement.

         Section 5.06     Disclaimer of Certain Duties.

         (a)     The powers conferred upon Secured Party by this Security
Agreement are to protect the interest of Secured Party, the Issuing Banks and
the Lenders in the Collateral and shall not impose any duty upon Secured Party,
the Issuing Banks or any Lender to exercise any such powers.  Debtor hereby
agrees that Secured Party, the Issuing Banks and the Lenders shall not be
liable for, nor shall the indebtedness evidenced by the Obligations be
diminished by, Secured Party's delay or failure to collect upon, foreclose,
sell, take possession of or otherwise obtain value for the Collateral.

         (b)     Except as provided in the Credit Agreement, Secured Party
shall be under no duty whatsoever to make or give any presentment, notice of
dishonor, protest, demand for performance, notice of non-performance, notice of
intent to accelerate, notice of acceleration, or other notice or demand in
connection with any Collateral or the Obligations, or to take any steps
necessary to preserve any rights against any Obligor, Account Debtor or other
Person.

         Section 5.07     Modification of Obligations; Other Security.  Debtor
waives (i) any and all notice of acceptance, creation, modification,
rearrangement, renewal or extension for any period of any instrument executed
by any Obligor in connection with the Obligations and (ii) any defense of any
Obligor by reason of disability, lack of authorization, cessation of the
liability of any Obligor or for any other reason.  Debtor authorizes Secured
Party, without notice or demand and without any reservation of rights against
Debtor and without affecting Debtor's liability hereunder or on the
Obligations, from time to time to (x) take and hold other Property, other than
the Collateral, as security for the Obligations, and exchange, enforce, waive
and release any or all of the Collateral, (y) apply the Collateral in the
manner permitted by this Security Agreement and (z) renew, extend for any
period, accelerate, amend or modify, supplement, enforce, compromise, settle,
waive or release the obligations of any Obligor or any instrument or agreement
of such other Person with respect to any or all of the Obligations or
Collateral.

         Section 5.08     Waiver of Notice; Demand and Presentment; etc.
Except for any notice required under the Credit Agreement, Debtor hereby waives
any demand, notice of default, notice of acceleration of the maturity of the
Obligations, notice of intent to accelerate the maturity of the Obligations,

                                      -9-

<PAGE>   11
presentment, protest and notice of dishonor as to any action taken by Secured
Party in connection with this Security Agreement, or any instrument or
document.  Debtor waives any right of marshaling in respect of any and all
Collateral, and waives any right to require Secured Party, any Issuing Bank or
any Lender to proceed against any Obligor, Account Debtor or other Person,
exhaust any Collateral or enforce any other remedy which Secured Party, any
Issuing Bank or any Lender now has or may hereafter have against any Obligor or
other Person.

         Section 5.09     Non-judicial Enforcement.  To the fullest extent
allowed by applicable law, Secured Party may enforce its rights hereunder
without prior judicial process or judicial hearing, and to the fullest extent
permitted by law Debtor expressly waives any and all legal rights which might
otherwise require Secured Party to enforce its rights by judicial process.


                                   ARTICLE VI

                               EVENTS OF DEFAULT

         Section 6.01     Events of Default.  An Event of Default under the
Credit Agreement shall constitute an "Event of Default" under this Security
Agreement.

         Section 6.02     Remedies.  Upon the occurrence and during the
continuance of any Event of Default, Secured Party may take any or all of the
following actions without notice (except where expressly required under the
Credit Agreement or below) or demand to Debtor:

                 (a)      Declare all or part of the indebtedness pursuant to
         the Obligations immediately due and payable and enforce payment of the
         same by Debtor or any Obligor.

                 (b)      Take possession of the Collateral, or at Secured
         Party's request Debtor shall, at Debtor's cost, assemble the
         Collateral and make it available at a location to be specified by
         Secured Party which is reasonably convenient to Debtor and Secured
         Party.  In any event, Debtor shall bear the risk of accidental loss or
         damage to or diminution in value of the Collateral, and Secured Party
         shall have no liability whatsoever for failure to obtain or maintain
         insurance, nor to determine whether any insurance ever in force is
         adequate as to amount or as to risk insured.

                 (c)      Sell or lease, in one or more sales or leases and in
         one or more parcels, or otherwise dispose of any or all of the
         Collateral in its then condition or in any other commercially
         reasonable manner as Secured Party may elect, in a public or private
         transaction, at any location as deemed reasonable by Secured Party
         (including, without limitation, Debtor's premises), either for cash or
         credit or for future delivery at such price as Secured Party may deem
         fair, and (unless prohibited by the Code, as adopted in any applicable
         jurisdiction) Secured Party, any Issuing Bank or any Lender may be the
         purchaser of any or all Collateral so sold and may apply upon the
         purchase price therefor any Obligations secured hereby.  Any such sale
         or transfer by Secured Party either to itself or to any other Person
         shall be absolutely free from any claim of right by Debtor, including
         any equity or right of redemption, stay or appraisal which Debtor has
         or may have under any rule of law, regulation or statute now existing
         or hereafter adopted.  Upon any such sale or transfer, Secured Party
         shall have the right to deliver, assign and transfer to the purchaser
         or transferee thereof the Collateral so sold or transferred.  It shall
         not be necessary that the Collateral or any part thereof be present at
         the location of any such sale or transfer.  Secured Party may, at its
         discretion, provide for a public sale, and any such public sale shall
         be held at



                                     -10-
<PAGE>   12
         such time or times within ordinary business hours and at such place or
         places as Secured Party may fix in the notice of such sale.  Secured
         Party shall not be obligated to make any sale pursuant to any such
         notice.  Secured Party may, without notice or publication, adjourn any
         public or private sale by announcement at any time and place fixed for
         such sale, and such sale may be made at any time or place to which the
         same may be so adjourned.  In the event any sale or transfer hereunder
         is not completed or is defective in the opinion of Secured Party, such
         sale or transfer shall not exhaust the rights of Secured Party
         hereunder, and Secured Party shall have the right to cause one or more
         subsequent sales or transfers to be made hereunder.  In the event that
         any of the Collateral is sold or transferred on credit, or to be held
         by Secured Party for future delivery to a purchaser or transferee, the
         Collateral so sold or transferred may be retained by Secured Party
         until the purchase price or other consideration is paid by the
         purchaser or transferee thereof, but in the event that such purchaser
         or transferee fails to pay for the Collateral so sold or transferred
         or to take delivery thereof, neither Secured Party, any Issuing Bank
         nor any Lender shall incur any liability in connection therewith.  If
         only part of the Collateral is sold or transferred such that the
         Obligations remain outstanding (in whole or in part), Secured Party's
         rights and remedies hereunder shall not be exhausted, waived or
         modified, and Secured Party is specifically empowered to make one or
         more successive sales or transfers until all the Collateral shall be
         sold or transferred and all the Obligations are paid.  In the event
         that Secured Party elects not to sell the Collateral, Secured Party
         retains its rights to lease or otherwise dispose of or utilize the
         Collateral or any part or parts thereof in any manner authorized or
         permitted by law or in equity, and to apply the proceeds of the same
         towards payment of the Obligations.  Each and every method of
         disposition of the Collateral described in this Section 6.02(c) or in
         Section 6.02(f) shall constitute disposition in a commercially
         reasonable manner.

                 (d)      Take possession of all books and records of Debtor
         pertaining to the Collateral.  Secured Party shall have the authority
         to enter upon any real or immoveable property or improvements thereon
         in order to obtain any such books or records, or any Collateral
         located thereon, and remove the same therefrom without liability.

                 (e)      Apply proceeds of the disposition of the Collateral
         to the Obligations in any manner elected by Secured Party and
         permitted by the Code or otherwise permitted by law or in equity.
         Such application may include, without limitation, the reasonable
         expenses of retaking, holding, preparing for sale or other
         disposition, and the reasonable attorneys' fees and legal expenses
         incurred by Secured Party, the Issuing Banks and the Lenders.

                 (f)      Appoint any Person as agent to perform any act or
         acts necessary or incident to any sale or transfer by Secured Party of
         the Collateral.  Additionally, any sale or transfer hereunder may be
         conducted by an auctioneer or any officer or agent of Secured Party.

                 (g)      Apply and set-off (i) any deposits of Debtor now or
         hereafter held by Secured Party, the Issuing Banks and the Lenders;
         (ii) all claims of Debtor against Secured Party, now or hereafter
         existing; (iii) any other Property, rights or interests of Debtor
         which come into the possession or custody or under the control of
         Secured Party; and (iv) the proceeds of any of the foregoing as if the
         same were included in the Collateral.  Secured Party agrees to notify
         Debtor promptly after any such set-off or application; provided,
         however, the failure of Secured Party to give any notice shall not
         affect the validity of such set-off or application.

                 (h)      With respect to the Collateral, receive, change the
         address for delivery, open and dispose of mail addressed to Debtor,
         and to execute, assign and endorse negotiable and other


                                     -11-
<PAGE>   13
         instruments for the payment of money, documents of title or other 
         evidences of payment, shipment or storage for any form of Collateral 
         on behalf of and in the name of Debtor.

                 (i)      Notify or require Debtor to notify Account Debtors
         that the Accounts have been assigned to Secured Party and direct such
         Account Debtors to make payments on the Accounts directly to Secured
         Party.  To the extent Secured Party does not so elect, Debtor shall
         continue to collect and retain the Accounts.  Secured Party or its
         designee shall also have the right, in its own name or in the name of
         Debtor, to do any of the following:  (i) to demand, collect, receipt
         for, settle, compromise any amounts due, give acquittances for,
         prosecute or defend any action which may be in relation to any monies
         due or to become due by virtue of, the Accounts; (ii) to sell,
         transfer or assign or otherwise deal in the Accounts or the proceeds
         thereof or the related goods, as fully and effectively as if Secured
         Party were the absolute owner thereof; (iii) to extend the time of
         payment of any of the Accounts, to grant waivers and make any
         allowance or other adjustment with reference thereto; (iv) to endorse
         the name of Debtor on notes, checks or other evidences of payments on
         Collateral that may come into possession of Secured Party; (v) to take
         control of cash and other proceeds of any Collateral; (vi) to sign the
         name of Debtor on any invoice or bill of lading relating to any
         Collateral, or any drafts against Account Debtors or other persons
         making payment with respect to Collateral; (vii) to send a request for
         verification of Accounts to any Account Debtor; and (viii) to do all
         other acts and things necessary to carry out the intent of this
         Agreement.

                 (j)      Exercise all other rights and remedies permitted by
         law or in equity.

         Section 6.03     Liability for Deficiency.  If any sale or other
disposition of Collateral by Secured Party or any Issuing Bank or any other
action of Secured Party, any Issuing Bank or any Lender hereunder results in
reduction of the Obligations, such action will not release Debtor from its
liability to Secured Party, the Issuing Banks and the Lenders for any unpaid
Obligations, including costs, charges and expenses incurred in the liquidation
of Collateral, together with interest thereon, and the same shall be
immediately due and payable to Secured Party at Secured Party's address set
forth on the signature page of this Security Agreement.

         Section 6.04     Reasonable Notice.  If any applicable provision of
any law requires Secured Party any Issuing Bank or any Lender to give
reasonable notice of any sale or disposition or other action, Debtor hereby
agrees that fifteen (15) days' prior written notice shall constitute reasonable
notice thereof.  Such notice, in the case of public sale, shall state the time
and place fixed for such sale and, in the case of private sale, the time after
which such sale is to be made.

         Section 6.05     Account Debtors.  Any payment or settlement of an
Account made by an Account Debtor will be, to the extent of such payment or to
the extent provided under such settlement, a release, discharge and acquittance
of the Account Debtor with respect to such Account, and Debtor shall take any
action as may be required by Secured Party in connection therewith.  No Account
Debtor on any Account will ever be bound to make inquiry as to the termination
of this Agreement or the rights of Secured Party to act hereunder, but shall be
fully protected by Debtor in making payment directly to Secured Party.


                                     -12-
<PAGE>   14

                                 ARTICLE VIII

                                 MISCELLANEOUS

         Section 7.01     Notices.  Any notice required or permitted to be
given under or in connection with this Security Agreement shall be given in
accordance with the notice provisions of the Guaranty Agreement.

         Section 7.02     Amendments and Waivers.  Secured Party's, any Issuing
Bank's or any Lender's acceptance of partial or delinquent payments or any
forbearance, failure or delay by the Secured Party in exercising any right,
power or remedy hereunder shall not be deemed a waiver of any obligation of
Debtor or any Obligor, or of any right, power or remedy of Secured Party; and
no partial exercise of any right, power or remedy shall preclude any other or
further exercise thereof.  Secured Party may remedy any Event of Default
hereunder or in connection with the Obligations without waiving the Event of
Default so remedied.  Debtor hereby agrees that if Secured Party agrees to a
waiver of any provision hereunder, or an exchange of or release of the
Collateral, or the addition or release of any Obligor, any such action shall
not constitute a waiver of any of Secured Party's other rights or of Debtor's
obligations hereunder.  This Security Agreement may be amended only by the
manner set forth in Section 8.02 of the Credit Agreement by an instrument in
writing executed jointly by Debtor and Secured Party and may be supplemented
only by documents delivered or to be delivered in accordance with the express
terms hereof.

         Section 7.03     Copy as Financing Statement.  A photocopy or other
reproduction of this Security Agreement or any financing statement covering the
Collateral is sufficient as a financing statement, and the same may be filed
with any appropriate filing authority for the purpose of perfecting Secured
Party's security interest in the Collateral.

         Section 7.04     Possession of Collateral.  Secured Party shall be
deemed to have possession of any Collateral in transit to it or set apart for
it (or, in either case, any of its agents, affiliates or correspondents).

         Section 7.05     Redelivery of Collateral.  If any sale or transfer of
Collateral by Secured Party results in full satisfaction of the Obligations,
and after such sale or transfer and discharge there remains a surplus of
proceeds, Secured Party will deliver to Debtor such excess proceeds in a
commercially reasonable time; provided, however, that neither Secured Party,
any Issuing Bank nor any Lender shall be liable for any interest, cost or
expense in connection with any delay in delivering such proceeds to Debtor.

         Section 7.06     Governing Law; Jurisdiction.  This Security Agreement
and the security interest granted hereby shall be construed in accordance with
and governed by the laws of the State of Texas (except to the extent that the
laws of any other jurisdiction govern the perfection and priority of the
security interests granted hereby).  Debtor consents to and submits to in
personam jurisdiction and venue in the state district and county courts of the
county wherein Secured Party's offices are located at the address specified on
the signature page hereof, and in the Federal District Courts of the district
wherein such offices of Secured Party are located.  This submission to
jurisdiction is nonexclusive and does not preclude Secured Party, any Issuing
Bank or any Lender from obtaining jurisdiction over Debtor or the Collateral in
any court otherwise having jurisdiction.


                                     -13-
<PAGE>   15

         Section 7.07     Cumulative and Other Rights.  The rights, powers and
remedies of Secured Party hereunder are in addition to all rights, powers and
remedies given by law or in equity.  The exercise by Secured Party, any Issuing
Bank or any Lender of any one or more of the rights, powers and remedies herein
shall not be construed as a waiver of any other rights, powers and remedies,
including, without limitation, any other rights of set-off.  If any of the
Obligations are given in renewal, extension for any period or rearrangement, or
applied toward the payment of debt secured by any lien, Secured Party shall be,
and is hereby, subrogated to all the rights, titles, interests and liens
securing the debt so renewed, extended, rearranged or paid.

         Section 7.08     Subrogation.  Until the Obligations have been paid in
full, Debtor hereby waives any claim, right or remedy which Debtor may now have
or hereafter acquire against the Company which arises out of this Security
Agreement or from the performance by Debtor hereunder, including without
limitation, any claim, remedy or right of subrogation, reimbursement,
exoneration, indemnification, or participation in any such claim, right or
remedy of any other Person against the Company; provided, however,
notwithstanding the foregoing, Debtor reserves its rights of contribution and
reimbursement, if any, from any Obligor.  Until the Obligations have been paid
in full, Debtor further waives any benefit of any right to participate in any
security now or hereafter held by Secured Party, the Issuing Banks and/or the
Lenders.

         Section 7.09     Continuing Security Agreement.

         (a)     This Security Agreement shall constitute a continuing security
agreement, and all representations and warranties, covenants and agreements
shall, as applicable, apply to all future as well as existing transactions.
Provisions of this Security Agreement, unless they are by their terms
exclusive, shall be in addition to other agreements between the parties.

         (b)     Except as may be expressly applicable pursuant to Section
9.505 of the Code, no action taken or omission to act by Secured Party, the
Issuing Banks or the Lenders hereunder, including, without limitation, any
action taken or inaction pursuant to Section 6.02, shall be deemed to
constitute a retention of the Collateral in satisfaction of the Obligations or
otherwise to be in full satisfaction of the Obligations, and the Obligations
shall remain in full force and effect, until Secured Party, the Issuing Banks
and the Lenders shall have applied payments (including, without limitation,
collections from Collateral) towards the Obligations in the full amount then
outstanding or until such subsequent time as is hereinafter provided in
subsection (c) below.

         (c)     To the extent that any payments on the Obligations or proceeds
of the Collateral are subsequently invalidated, declared to be fraudulent or
preferential, set aside or required to be repaid to a trustee, debtor in
possession, receiver or other Person under any bankruptcy law, common law or
equitable cause, then to such extent the Obligations so satisfied shall be
revived and continue as if such payment or proceeds had not been received by
Secured Party, the Issuing Banks or the Lenders, and Secured Party's, the
Issuing Banks' and the Lenders' security interests, rights, powers and remedies
hereunder shall continue in full force and effect.  In such event, this
Security Agreement shall be automatically reinstated if it shall theretofore
have been terminated pursuant to Section 7.10.

         (d)     In the event that the Obligations are structured such that
there are times when no Indebtedness is owing thereunder, this Security
Agreement shall remain valid and in full force and effect as to all subsequent
indebtedness included in the Obligations, provided Secured Party has not in the
interim period executed a written release or termination statement or returned
possession of or reassigned the Collateral to Debtor.


                                     -14-
<PAGE>   16

         Section 7.10     Termination.  The grant of a security interest
hereunder and all of Secured Party's, the Issuing Banks' and the Lenders'
rights, powers and remedies in connection therewith shall remain in full force
and effect until Secured Party has retransferred and delivered all Collateral
in its possession to Debtor, and executed a written release or termination
statement and reassigned to Debtor without recourse or warranty any remaining
Collateral and all rights conveyed hereby.  Upon the complete payment of the
Obligations and the compliance by Debtor with all covenants and agreements
hereof, Secured Party, at the written request and expense of Debtor, will
release, reassign and transfer the Collateral to Debtor and declare this
Security Agreement to be of no further force or effect.  Notwithstanding the
foregoing, the provisions of Section 7.09(c) shall survive the termination of
this Security Agreement.

         Section 7.11     Counterparts, Effectiveness.  This Security Agreement
may be executed in two or more counterparts.  Each counterpart is deemed an
original, but all such counterparts taken together constitute one and the same
instrument.  This Security Agreement becomes effective upon the execution
hereof by Debtor and delivery of the same to Secured Party, and it is not
necessary for Secured Party, the Issuing Banks or any Lender to execute any
acceptance hereof or otherwise signify or express its acceptance hereof.

         Section 7.12     Headings Descriptive.  All titles or headings to
articles, sections, subsections or other divisions of this Security Agreement
or the exhibits hereto are only for the convenience of the parties and shall
not be construed to have any effect or meaning with respect to the other
content of such articles, sections, subsections or other divisions, such other
content being controlling as to the agreement between the parties hereto.

         Section 7.13     Delivery of Copy/Waiver.  The Debtor hereby
acknowledges receiving a copy of this Security Agreement.  The Debtor waives
all rights to receive from the Secured Party a copy of any financing statement
or financing change statement filed or registered or verification statement
issued at any time in respect of this Security Agreement.


                                     -15-
<PAGE>   17

DEBTOR:                           TESORO REFINING, MARKETING & SUPPLY COMPANY


                                  By: /s/ William T. VanKleef 
                                      ----------------------------------------
                                  Name:  William T. VanKleef 
                                  Title: Vice President and Treasurer


                                  Address of Chief Executive Office and 
                                  Location of the Collateral:

                                  8700 Tesoro Drive
                                  San Antonio, Texas  78217


SECURED PARTY:                    TEXAS COMMERCE BANK NATIONAL
                                  ASSOCIATION, AS AGENT


                                  By: /s/ P. Stan Burge 
                                      ----------------------------------------
                                  Name:   P. Stan Burge 
                                  Title:  Vice President

                                  Address:

                                  712 Main Street
                                  Houston, Texas  77002




                                      -16-
<PAGE>   18
                              FINANCING STATEMENT


         This Financing Statement is presented to a filing officer for filing
pursuant to the Uniform Commercial Code.

1.       The name and address of the Debtor is:

         TESORO REFINING, MARKETING & SUPPLY COMPANY
         8700 Tesoro Drive
         San Antonio, Texas  78217
         Federal Tax Identification No.: 74-2045147

2.       The name and address of the Secured Party is:

         TEXAS COMMERCE BANK NATIONAL ASSOCIATION, as Agent
         712 Main Street
         Houston, Texas   77002
         Federal Tax Identification No.: 74-0800980

3.       This Financing Statement covers the following Collateral:

                 (a)      all of Debtor's accounts and inventory;

                 (b)      (i) any property from time to time delivered to or
         deposited with Secured Party by or for the account of Debtor which is
         related to any property referred to in clause (a) of this item 3; and
         (ii) all certificates of title or other documents evidencing ownership
         or possession of or otherwise relating to any property referred to in
         clause (a) of this item 3;

                 (c)      (i) all goods which were at any time included in the
         Collateral described in clause (a) of this item 3 and which are
         returned to or for the account of Debtor following their sale, lease
         or other disposition; (ii), all policies of insurance (whether or not
         required by Secured Party) covering any property referred to in this
         item 3; and (iii),  all proceeds, products, replacements, additions
         to, substitutions for, accessions of, and property necessary for the
         operation of any of the property referred to in this item 3,
         including, without limitation, insurance payable as a result of loss
         or damage to any of the property referred to in this item 3, refunds
         of unearned premiums of any such insurance policy and claims against
         third parties;

                 (d)      all books and records related to any of the property
         referred to in this item 3, including, without limitation, any and all
         books of account, customer lists and other records relating in any way
         to the Collateral described in this item 3;

                 (e)      all of Debtor's general intangibles which are related
         (but only those related) to any property referred to in this item 3,
         including, without limitation, all (i) letters of credit, bonds,
         guaranties, purchase or sales agreements and other contractual rights,
         rights to performance, and claims for damages, refunds (including tax
         refunds) or other monies due or to become due; (ii) orders,
         franchises, permits, certificates, licenses, consents, exemptions,
         variances, authorizations or other approvals by any governmental
         authority; (iii) business records, computer tapes and computer
         software; and (iv) other intangible personal property, whether

<PAGE>   19
similar or dissimilar to the other property described or referred to in 
clause (a) of this item 3; and

                 (f)      all of Debtor's chattel paper, documents and
         instruments related to or arising out of any property referred to in
         clause (a) of this item 3.

         The Collateral shall not include and shall be exclusive of any
equipment.


DEBTOR:                           TESORO REFINING, MARKETING & SUPPLY COMPANY



                                  By: /s/ William T. VanKleef 
                                      -----------------------------------------
                                  Name:  William T. VanKleef 
                                  Title: Vice President and Treasurer





                                     -2-

<PAGE>   1
                                                                      Exhibit 11
                 TESORO PETROLEUM CORPORATION AND SUBSIDIARIES
                     Information Supporting Earnings (Loss)
                             Per Share Computations
                                  (Unaudited)

                    (In thousands except per share amounts)

<TABLE>
<CAPTION>
                                                                                     Three Months Ended
                                                                                         March 31,
                                                                                 1994                 1993
                                                                                 ----                 ----
<S>                                                                            <C>                    <C>
Primary Earnings (Loss) Per Share
  Computation:
  Earnings (loss) before extraordinary item . . . . . .                        $  7,202               ( 2,909)
  Extraordinary loss on extinguishment of              
    debt  . . . . . . . . . . . . . . . . . . . . . . .                         ( 4,752)                  -   
                                                                               --------              --------  
  Net earnings (loss)   . . . . . . . . . . . . . . . .                           2,450               ( 2,909)
  Less preferred stock dividend requirements  . . . . .                           1,889                 2,302 
                                                                               --------              --------  
    Net earnings (loss) applicable to common           
      stock . . . . . . . . . . . . . . . . . . . . . .                        $    561               ( 5,211)
                                                                               ========              ========   
                                                                           
  Average outstanding common and common equivalent 
    shares  . . . . . . . . . . . . . . . . . . . . . .                          19,455                14,070 
                                                                               ========              ========   
                                                       
Primary Earnings (Loss) Per Share:                     
  Earnings (loss) before the extraordinary             
    item  . . . . . . . . . . . . . . . . . . . . . . .                        $    .27               (   .37)
  Extraordinary loss on extinguishment                 
    of debt . . . . . . . . . . . . . . . . . . . . . .                         (   .24)                  -   
                                                                               --------              --------  
    Net earnings (loss) . . . . . . . . . . . . . . . .                        $    .03               (   .37)
                                                                               ========              ========   
                                                       
Fully Diluted Earnings (Loss) Per Share                
  Computation:                                         
  Net earnings (loss) applicable to common             
    stock . . . . . . . . . . . . . . . . . . . . . . .                        $    561               ( 5,211)
  Add preferred stock dividend requirements . . . . . .                           1,889                 2,302 
                                                                               --------              --------  
    Net earnings (loss) applicable to common           
      stock - fully diluted . . . . . . . . . . . . . .                        $  2,450               ( 2,909)
                                                                               ========              ========   
                                                       
Average outstanding common and common equivalent
  shares  . . . . . . . . . . . . . . . . . . . . . . .                          19,455                14,070
Shares issuable on conversion of preferred             
  shares  . . . . . . . . . . . . . . . . . . . . . . .                           3,486                 4,775
Other . . . . . . . . . . . . . . . . . . . . . . . . .                              77                   -   
                                                                               --------              --------  
  Fully diluted shares  . . . . . . . . . . . . . . . .                          23,018                18,845 
                                                                               ========              ========   
                                                       
Fully Diluted Earnings (Loss) Per Share -              
  Anti-dilutive . . . . . . . . . . . . . . . . . . . .                        $    .03               (   .37)
                                                                               ========              ========   
</TABLE>





                                      -31-


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