AMERADA HESS CORP
8-K, 1996-05-14
PETROLEUM REFINING
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<PAGE>   1
                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                              WASHINGTON, DC 20549

                                    FORM 8-K

                                 CURRENT REPORT
     Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

       DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED) IS APRIL 29, 1996

                            AMERADA HESS CORPORATION
             (Exact name of registrant as specified in its charter)

                                    DELAWARE
         (State or other jurisdiction of incorporation or organization)

                          COMMISSION FILE NUMBER 1-1204

                                   13-4921002
                     (I.R.S. employer identification number)

                    1185 AVENUE OF THE AMERICAS, NEW YORK, NY
                    (Address of principal executive offices)

                                      10036
                                   (Zip Code)

      REGISTRANT'S TELEPHONE NUMBER, INCLUDING AREA CODE IS (212) 997-8500
<PAGE>   2
ITEM 2.  ACQUISITION OR DISPOSITION OF ASSETS.

The Registrant, through its wholly-owned Canadian subsidiary, Amerada Hess
Canada Ltd. ("AHCL"), conducted oil and gas exploration and production
operations in the Provinces of Alberta and British Columbia. AHCL's production
in the first quarter of 1996 was 10,883 barrels of crude oil and natural gas
liquids per day and 189,553 Mcf of natural gas per day.

On April 29, 1996, the Registrant sold all the outstanding capital stock of AHCL
to Petro-Canada with the Registrant receiving cash of $611 million. The proceeds
reflect the adjusted selling price of $558 million and a dividend to Amerada
Hess Corporation of $53 million. The Registrant will use the net proceeds to
reduce long-term debt.


ITEM 7.  FINANCIAL STATEMENTS AND EXHIBITS.

     (a) Financial statements of businesses acquired.

     Not applicable

     (b) Pro forma financial information.

     The following unaudited pro forma consolidated balance sheet, pro forma
     consolidated income statements and accompanying notes give effect to the
     sale of AHCL. The pro forma consolidated balance sheet at March 31, 1996,
     is presented as if the sale took place on March 31, 1996. The pro forma
     consolidated income statements for the year ended December 31, 1995, and
     for the three months ended March 31, 1996, are presented as if the sale
     closed on January 1, 1995.

     The pro forma financial information should be read in conjunction with Form
     10-Q for the first quarter of 1996 and with the Registrant's consolidated
     financial statements and related notes included in the 1995 Annual Report
     to Stockholders, which have been incorporated by reference in the
     Registrant's Form 10-K for 1995. The pro forma financial information does
     not purport to be indicative of the results of operations or the financial
     position that would have actually occurred if the sale had been consummated
     on the dates indicated or that may be expected in the future.

                                       2
<PAGE>   3
             AMERADA HESS CORPORATION AND CONSOLIDATED SUBSIDIARIES
                      PRO FORMA CONSOLIDATED BALANCE SHEET
                                 March 31, 1996
                            (in millions of dollars)

                                 A S S E T S

<TABLE>
<CAPTION>
                                                                                      PRO FORMA
                                                                      HISTORICAL    ADJUSTMENTS (A)    PRO FORMA
                                                                      ----------    ---------------    ---------
<S>                                                                 <C>              <C>               <C>              
CURRENT ASSETS                                                                                        
  Cash and cash equivalents                                         $    71.7        $ (31.3)]         $    74.4
                                                                                       611.0 ]         
                                                                                      (577.0)](B)     
  Accounts receivable                                                   769.1          (19.6)              749.5
  Inventories                                                           898.6           (0.9)              897.7
  Other current assets                                                  268.6           (0.5)              268.1
                                                                    ---------        -------           ---------
               Total current assets                                   2,008.0          (18.3)            1,989.7
                                                                    ---------        -------           ---------
                                                                                                      
INVESTMENTS AND ADVANCES                                                186.1           (0.8)              185.3
                                                                    ---------        -------           ---------
                                                                                                      
PROPERTY, PLANT AND EQUIPMENT                                                                         
                                                                                                      
  Total - at cost                                                    13,080.4         (742.5)           12,337.9
  Less reserves for depreciation, depletion,                                                          
     amortization and lease impairment                                7,817.9         (401.6)            7,416.3
                                                                    ---------        -------           ---------
               Property, plant and equipment - net                    5,262.5         (340.9)            4,921.6
                                                                    ---------        -------           ---------
                                                                                                      
DEFERRED INCOME TAXES AND OTHER ASSETS                                  274.7           (1.1)              273.6
                                                                    ---------        -------           ---------
                                                                                                      
TOTAL ASSETS                                                        $ 7,731.3        $(361.1)          $ 7,370.2
                                                                    =========        =======           =========
                                                                                                      
     L I A B I L I T I E S  A N D  S T O C K H O L D E R S'  E Q U I T Y
                                                                                                      
CURRENT LIABILITIES                                                                                   
  Accounts payable - trade                                          $   469.0        $  (6.0)          $   463.0
  Accrued liabilities                                                   569.4          (21.6)]             581.8
                                                                                        34.0 ]         
  Deferred revenue                                                      105.4                              105.4
  Taxes payable                                                         228.2                              228.2
  Notes payable                                                          21.4           (4.1)               17.3
  Current maturities of long-term debt                                   84.7                               84.7
                                                                    ---------        -------           ---------
               Total current liabilities                              1,478.1            2.3             1,480.4
                                                                    ---------        -------           ---------

LONG-TERM DEBT                                                        2,576.2         (577.0)(B)         1,999.2
                                                                    ---------        -------           ---------

CAPITALIZED LEASE OBLIGATIONS                                            63.4                               63.4
                                                                    ---------                          ---------

DEFERRED LIABILITIES AND CREDITS                                                                      
  Deferred income taxes                                                 596.9          (51.3)              545.6
  Other                                                                 316.6                              316.6
                                                                    ---------        -------           ---------
               Total deferred liabilities and credits                   913.5          (51.3)              862.2
                                                                    ---------        -------           ---------

STOCKHOLDERS' EQUITY                                                                                  
  Preferred stock, par value $1.00                                                                    
     Authorized - 20,000,000 shares for issuance in series                 --                                 --
  Common stock, par value $1.00                                                                       
     Authorized - 200,000,000 shares                                                                  
     Issued - 92,988,755 shares at March 31, 1996                        93.0                               93.0
  Capital in excess of par value                                        743.2                              743.2
  Retained earnings                                                   2,069.1          232.1             2,301.2
  Equity adjustment from foreign currency translation                  (205.2)          32.8              (172.4)
                                                                    ---------        -------           ---------
               Total stockholders' equity                             2,700.1          264.9             2,965.0
                                                                    ---------        -------           ---------
                                                                                                      
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY                          $ 7,731.3        $(361.1)          $ 7,370.2
                                                                    =========        =======           =========
</TABLE>

     See accompanying notes to pro forma consolidated financial information.

                                        3
<PAGE>   4
             AMERADA HESS CORPORATION AND CONSOLIDATED SUBSIDIARIES
                   PRO FORMA STATEMENT OF CONSOLIDATED INCOME
                    For the Three Months Ended March 31, 1996
                      (in millions, except per share data)

<TABLE>
<CAPTION>
                                                                                           PRO FORMA
                                                                     HISTORICAL           ADJUSTMENTS (A)      PRO FORMA
                                                                    --------------        ---------------      ----------
<S>                                                                 <C>                   <C>                  <C>     
REVENUES
  Sales (excluding excise taxes) and
     other operating revenues                                         $2,214.5               $(43.5)            $2,171.0
  Non-operating revenues                                                  18.0                 (0.4)                17.6
                                                                      --------               ------             --------

               Total revenues                                          2,232.5                (43.9)             2,188.6
                                                                      --------               ------             --------


COSTS AND EXPENSES
  Cost of products sold and operating expenses                         1,644.9                (10.5)             1,634.4
  Exploration expenses, including dry holes                               61.7                 (4.9)                56.8

  Selling, general and administrative expenses                           150.1                 (2.7)               147.4
  Interest expense                                                        52.8                 (8.6)(C)             44.2

  Depreciation, depletion, amortization
       and lease impairment                                              201.5                (11.7)               189.8
  Provision for income taxes                                              55.5                 (7.3)]               51.2
                                                                                                3.0 ](C)
                                                                      --------               ------             --------

               Total costs and expenses                                2,166.5                (42.7)             2,123.8
                                                                      --------               ------             --------

NET INCOME                                                            $   66.0               $ (1.2)            $   64.8
                                                                      ========               ======             ========

NET INCOME PER SHARE                                                  $   0.71                                  $   0.70
                                                                      ========                                  ========

WEIGHTED AVERAGE NUMBER
  OF SHARES OUTSTANDING                                                   93.0                                      93.0

COMMON STOCK DIVIDENDS PER SHARE                                      $   0.15                                  $   0.15
</TABLE>

     See accompanying notes to pro forma consolidated financial information.

                                        4
<PAGE>   5
             AMERADA HESS CORPORATION AND CONSOLIDATED SUBSIDIARIES
                   PRO FORMA STATEMENT OF CONSOLIDATED INCOME
                      For the Year Ended December 31, 1995
                      (in millions, except per share data)

<TABLE>
<CAPTION>
                                                                              PRO FORMA
                                                               HISTORICAL   ADJUSTMENTS(A)    PRO FORMA
                                                               ----------   --------------   ----------
<S>                                                            <C>            <C>             <C>     
REVENUES
  Sales (excluding excise taxes) and
     other operating revenues                                  $7,302.3       $ (155.4)       $7,146.9
  Non-operating revenues                                          222.5           (0.7)          221.8
                                                               --------       --------        --------
                                                                                             
               Total revenues                                   7,524.8         (156.1)        7,368.7
                                                               --------       --------        --------          

COSTS AND EXPENSES                                                                           
  Cost of products sold and operating expenses                  5,220.6          (46.1)        5,174.5
  Exploration expenses, including dry holes                       297.8          (23.5)          274.3
                                                                                             
  Selling, general and administrative expenses                    634.3          (13.1)          621.2
  Interest expense                                                247.5           (1.6)]         209.0
                                                                                 (36.9)](C)  
                                                                                             
  Depreciation, depletion, amortization                                                      
       and lease impairment                                       893.1          (47.4)          845.7
  Asset impairment                                                584.1                          584.1
  Provision for income taxes                                       41.8          (12.5)]          42.2
                                                                                  12.9 ](C)   
                                                               --------       --------        --------
                                                                                             
               Total costs and expenses                         7,919.2         (168.2)        7,751.0
                                                               --------       --------        --------                       
                                                                                             
NET INCOME (LOSS)                                              $ (394.4)      $   12.1        $ (382.3)
                                                               ========       ========        ======== 
                                                                                             
NET INCOME (LOSS) PER SHARE                                    $  (4.24)                      $  (4.11)
                                                               ========                       ======== 

WEIGHTED AVERAGE NUMBER                                                                      
     OF SHARES OUTSTANDING                                         93.0                           93.0
                                                                                             
COMMON STOCK DIVIDENDS PER SHARE                               $   0.60                       $   0.60
</TABLE>                                                                     
                                                                             
     See accompanying notes to pro forma consolidated financial information.

                                        5
<PAGE>   6
             AMERADA HESS CORPORATION AND CONSOLIDATED SUBSIDIARIES
                                                                         
               NOTES TO UNAUDITED PRO FORMA FINANCIAL INFORMATION
                                                              

The unaudited pro forma consolidated financial statements are based on estimates
and may differ from actual results. The following notes describe the pro forma
adjustments:
            
(A)    Record the sale of Amerada Hess Canada Ltd. and eliminate its assets,
       liabilities, revenues and expenses.
                                                                 
(B)    Reduce debt from net proceeds.
                                                             
(C)    Record reduced interest expense and the related increase in income tax
       expense resulting from lower pro forma debt.
                                                                  
Note:  The estimated increase in the pro forma retained earnings of
       approximately $232 million is subject to post closing adjustments,
       including adjustments for income taxes. To show the effect of the AHCL
       sale on ongoing operations, the pro forma consolidated income statement
       for the year ended December 31, 1995, does not reflect the non-recurring
       gain on the sale.

                                       6
<PAGE>   7
ITEM 7.  FINANCIAL STATEMENTS AND EXHIBITS (CONTINUED)            
                                                                
       (c)    Exhibits.                                                   

              (2)     Agreement of Purchase and Sale of Shares dated April 3,
                      1996, between Amerada Hess Corporation and Petro-Canada.

                                   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 hereunto duly authorized.

                                               AMERADA HESS CORPORATION
                                               (REGISTRANT)

Date: May 13, 1996                             By  s/s John Y. Schreyer
                                                   -----------------------------
                                                   John Y. Schreyer
                                                   Executive Vice President and
                                                   Chief Financial Officer

                                       7
<PAGE>   8



               EXHIBIT INDEX

Exhibit No.                   Description
- ----------                    -----------

   2                  Agreement of Purchase and Sale of Shares

<PAGE>   1
                    AGREEMENT OF PURCHASE AND SALE OF SHARES

                               DATED APRIL 3, 1996

                                     BETWEEN

                            AMERADA HESS CORPORATION

                                       AND

                                  PETRO-CANADA
<PAGE>   2
<TABLE>
<CAPTION>
TABLE OF CONTENTS

                                                                                                                PAGE
<S>                                                                                                             <C>
1.         DEFINITIONS..........................................................................................  1

2.         INTERPRETATION....................................................................................... 11

3.         PURCHASE AND SALE.................................................................................... 12

4.         PAYMENTS............................................................................................. 13

5.         WITHHOLDING TAX...................................................................................... 14

6.         ADJUSTMENTS.......................................................................................... 16

7.         INTERCOMPANY RECEIVABLE, CREDIT FACILITY AND DIVIDENDS............................................... 17

8.         HEAVY OIL ASSETS AND TAR SANDS ASSETS................................................................ 18

9.         CLOSING.............................................................................................. 21

10.        CORPORATE AND GENERAL MATTERS REGARDING REVIEW....................................................... 21

11.        TITLE REVIEW ........................................................................................ 21

12.        ENVIRONMENTAL REVIEW................................................................................. 24

13.        CONDITIONS TO THE CLOSING............................................................................ 27

14.        DELIVERIES OF THE VENDOR............................................................................. 28

15.        DELIVERIES OF THE PURCHASER.......................................................................... 29

16.        VENDOR'S REPRESENTATIONS AND WARRANTIES.............................................................. 31

17.        PURCHASER'S REPRESENTATIONS AND WARRANTIES........................................................... 40

18.        COVENANTS OF VENDOR.................................................................................. 42

19.        CONSENTS............................................................................................. 46

20.        TERMINATION.......................................................................................... 46

21.        SECTION 338 ELECTION................................................................................. 46

22.        INFORMATION, MATERIALS AND CONTINUING REPORTS........................................................ 46
</TABLE>
<PAGE>   3
<TABLE>
<S>                                                                                                              <C>
23.        LIABILITIES AND INDEMNITIES.......................................................................... 49

24.        LIMITATION ON LIABILITY.............................................................................. 53

25.        COVENANTS OF THE VENDOR AND THE PURCHASER............................................................ 53

26.        CONTINUING AGREEMENT................................................................................. 53

27.        LEGAL COSTS.......................................................................................... 53

28.        WAIVER............................................................................................... 53

29.        FURTHER ASSURANCES................................................................................... 53

30.        ASSIGNMENT........................................................................................... 54

31.        NAMES, SIGNS, LOGOS, TRADEMARKS AND NOTIFICATIONS.................................................... 54

32.        NOTICE............................................................................................... 54

33.        GOVERNING LAW........................................................................................ 55

34.        ENTIRE AGREEMENT..................................................................................... 55

35.        ENUREMENT............................................................................................ 55

36.        SEVERABILITY......................................................................................... 56

37.        TIME................................................................................................. 56

38.        COUNTERPARTS......................................................................................... 56

39.        CONFIDENTIALITY...................................................................................... 56
</TABLE>
<PAGE>   4
                         AGREEMENT OF PURCHASE AND SALE

                                    OF SHARES

              THIS AGREEMENT is made the 3rd day of April, 1996

BETWEEN:

              AMERADA HESS CORPORATION, a corporation having an office in the
              City of New York, in the State of New York (hereinafter called the
              "Vendor")

                                                               OF THE FIRST PART

AND

              PETRO-CANADA, a corporation having an office in the City of
              Calgary, in the Province of Alberta (hereinafter called the
              "Purchaser")

                                                              OF THE SECOND PART


              WHEREAS the Purchaser wishes to acquire the Shares from the Vendor
and the Vendor wishes to sell the Shares to the Purchaser on the terms and
conditions herein;

              NOW THEREFORE this Agreement witnesses that, for good and valuable
consideration, the receipt and sufficiency of which is hereby acknowledged by
the Purchaser and the Vendor, the Parties covenant and agree with each other as
follows:

1.            DEFINITIONS

              In this Agreement (including the recitals hereto, this clause and
each schedule) the words and phrases set forth below shall have the meanings
ascribed thereto below, namely:

a.     "Act" means the Income Tax Act (Canada);

b.     "Adjusted Purchase Price" has the meaning ascribed thereto in subclause
       3.b;

c.     "Adjustment Time" means 00:01 a.m. (Calgary time) on the 1st day of
       January, 1996;

d.     "Affected Assets" has the meaning ascribed thereto in subclause 11.c.(i);

e.     "Affiliate" of a party means a corporation or partnership that controls
       the party, is controlled by the party or is controlled by the same
       person, corporation or partnership that controls the party, for which
       purpose a corporation shall be deemed to be controlled by those persons,
       corporations or partnerships who own or 
<PAGE>   5
                                       2



       effectively control, other than by way of security only, sufficient
       voting shares of the corporation (whether directly through the ownership
       of shares of the corporation or indirectly through the ownership of
       shares of another corporation which owns the shares of the corporation)
       to elect the majority of its board of directors and a partnership shall
       be deemed to be controlled by those persons, corporations or partnerships
       that are able to determine policies or material decisions of that
       partnership, provided that a partnership which is composed solely of
       corporations which are Affiliates as described above shall be deemed to
       be an Affiliate of each such corporation or its other Affiliates;

f.     "Agreement" means this agreement including the recitals hereto, this
       clause and each schedule;

g.     "Allocated Value" has the meaning given in clause 11.c;

h.     "Assets" means, collectively, the Petroleum and Natural Gas Rights, the
       Tangibles and the Miscellaneous Interests;

i.     "Base Rate" means for any day the rate of interest expressed as a rate
       per annum which Citibank announces publicly in New York City, New York
       from time to time as being its prime commercial lending rate on Dollar
       denominated commercial loans in the U.S. and which it refers to as its
       "base rate";

j.     "Business Day" means any day exclusive of Saturdays, Sundays or statutory
       holidays observed by the post office in New York City, New York;

k.     "Caribbean Capital" means Caribbean Capital (Barbados) Limited, a wholly
       owned subsidiary of the Corporation;

l.     "Claim for Tax" means:

       (i)    any claim, disallowance, adjustment, assessment, demand, letter,
              notice or other document issued or action taken by or on behalf of
              any taxing authority which claims payment (or increased payment)
              of Tax; or

       (ii)   any liability for Tax which is reflected on a Tax return filed
              with a taxing authority;

m.     "Closing" means the delivery of the Shares, duly endorsed for transfer
       and the payment of the Adjusted Purchase Price as set forth in clauses 4
       and 5 on the Closing Date;

n.     "Closing Date" means 10:00 a.m. (New York City, New York time) April 29,
       1996, unless such date is amended by agreement in writing by the Parties
       hereto;

o.     "Code" has the meaning ascribed thereto in subclause 13.b.(v);
<PAGE>   6
                                       3



p.     "Confidential Memorandum" means a Confidential Information Memorandum
       dated December, 1995 respecting the Corporation, the Subsidiary and the
       Finance Subsidiaries prepared by the Vendor, Goldman, Sachs & Co. and
       ScotiaMcLeod Inc.;

q.     "Confidentiality Agreement" means a letter agreement dated December 21,
       1995 among the Vendor, the Corporation and the Purchaser;

r.     "Corporation" means Amerada Hess Canada Ltd., a body corporate organized
       under the laws of Canada;

s.     "Credit Facility" means the Revolving Term Credit Facility dated
       September, 1990 among the Corporation, Royal Bank of Canada, as agent and
       the other lenders named therein;

t.     "Cured Asset" has the meaning ascribed thereto in subclause 11.d;

u.     "Data Room" means the rooms set up by the Vendor, the Corporation and the
       Subsidiary containing books, accounts, records, Tax returns, filings,
       minute books, maps, documents, files, materials and information relating
       to the Corporation, the Subsidiary and the Finance Subsidiaries for the
       purposes of the sale by the Vendor of the Shares;

v.     "Deposit" has the meaning ascribed thereto in subclause 4.a;

w.     "Dollar" or "$" means a United States dollar;

x.     "Environmental Evaluator" has the meaning ascribed thereto in subclause
       12.d.(ii);

y.     "Environmental Defects" means any environmental concern which would not
       be acceptable to a sophisticated prudent purchaser of the Shares and
       which would be a material violation, of any federal, provincial or local
       environmental or pollution law, regulation or ordinance with respect to
       the Assets or any permits, licenses and other authorizations which are
       required under federal, provincial and local laws with respect to
       pollution or protection of the environment relating to the Assets;

z.     "Environmental Report" means the report prepared by Golder Associates
       Ltd. dated December, 1995 entitled "Report on Environmental Management
       System Review" submitted to the Corporation;

aa.    "Environmental Review" means the environmental review that may be
       conducted by the Purchaser pursuant to the terms and conditions of clause
       12;

ab.    "Escrow Agreement" means an agreement dated the Execution Date and
       executed among the Purchaser, the Vendor and the Vendor's solicitors in
       the form of Schedule "1.ab";

ac.    "Excess Heavy Oil Proceeds" has the meaning ascribed thereto in subclause
       8.c;
<PAGE>   7
                                       4



ad.    "Excess Tar Sands Proceeds" has the meaning ascribed thereto in subclause
       8.d;

ae.    "Execution Date" means the date first above written;

af.    "Finance Subsidiaries" means Caribbean Capital, Mincap and Mineral
       Finance;

ag.    "Financial Statements" means the audited consolidated financial
       statements of the Corporation, the Subsidiary and the Finance
       Subsidiaries for the year ended December 31, 1995 consisting of a balance
       sheet, statement of income and retained earnings and statement of cash
       flow, together with notes attached thereto, which are attached hereto as
       Schedule "1.ag";

ah.    "Forms" has the meaning ascribed thereto in subclause 13.b.(v);

ai.    "Heavy Oil Assets" means the interests set forth in Schedule "1.ai" in
       and to and in respect of the Leases and the Lands to the extent included
       under the area heading "Cold Lake" and "Primrose" and all Tangibles and
       Miscellaneous Interests which directly relate thereto;

aj.    "Heavy Oil Buyer" has the meaning ascribed thereto in subclause 8.a;

ak.    "Heavy Oil Option Agreement" means an agreement between the Vendor and
       the Corporation in the form of Schedule "1.ak";

al.    "Heavy Oil Proceeds" has the meaning ascribed thereto in subclause 8.c;

am.    "Heavy Oil Tax Adjustment" has the meaning ascribed thereto in subclause
       8.e;

an.    "Intercompany Payment" has the meaning ascribed thereto in subclause 7.a;

ao.    "Intercompany Receivable" means the loan from Mineral Finance to Amerada
       Hess Limited;

ap.    "Lands" means the interests in the lands set forth and described in
       Schedule "1.ap";

aq.    "Leases" means the leases, licenses, permits and other documents of title
       (or any replacement thereof, renewals thereof or leases derived
       therefrom), by virtue of which the holder is entitled to drill for, win,
       take, own or remove the Petroleum Substances within, upon or under all or
       any part of the Lands or lands pooled or unitized therewith;

ar.    "Major Facilities" means all right, title, interest and estate of the
       Corporation and the Subsidiary in the facilities described in Schedule
       "1.ar";

as.    "Mincap" means Mincap N.V., a wholly owned subsidiary of the Corporation;

at.    "Mineral Finance" means Mineral Finance Corporation B.V., a wholly owned
       subsidiary of Mincap;
<PAGE>   8
                                       5



au.    "Miscellaneous Interests" means all right, title, interest and estate of
       the Corporation and the Subsidiary in and to all property, assets and
       rights, other than the Petroleum and Natural Gas Rights or the Tangibles,
       to the extent pertaining to the Petroleum and Natural Gas Rights, the
       Lands or lands pooled or unitized therewith or the Tangibles and to which
       the Corporation or the Subsidiary is entitled at the Adjustment Time
       including, without limitation:

       (i)    all contracts, agreements, books, records and documents to the
              extent that they relate to the Petroleum and Natural Gas Rights or
              the Tangibles, including, without limitation, the Title and
              Operating Documents and any rights of the Corporation and the
              Subsidiary in relation thereto;

       (ii)   all Surface Interests;

       (iii)  all Technical Information;

       (iv)   all licenses, authorizations, permits, crossing privileges or
              other rights pursuant to which the Wells or the Tangibles are
              accessed, maintained or operated; and

       (v)    all Petroleum Substances in the course of production from the
              Lands but not at the Adjustment Time beyond the point of delivery
              to a buyer;

av.    "Net Tax Refund Amount" has the meaning ascribed thereto in subclause
       3.d;

aw.    "Newco" has the meaning ascribed thereto in subclause 18.f.(i);

ax.    "Notice Letter" means the notice letter referred to in subclause
       13.b.(v);

ay.    "Party" means a party to this Agreement;

az.    "Pemada Shares" means 45 preferred shares in the capital of Pemada Pipe
       Line Limited;

ba.    "Permitted Encumbrances" means any of the following:

       (i)    easements, rights of way, servitudes or other similar rights in
              land including, without limiting the generality of the foregoing,
              rights of way and servitudes for railways, sewers, drains, gas and
              oil pipelines, gas and water mains, electric light, power,
              telephone, telegraph or cable television conduits, poles, wires
              and cables;

       (ii)   the right reserved to or vested in any government or other public
              authority by the terms of any or by any statutory provision, to
              terminate the Title and Operating Documents or to require annual
              or other periodic payments as a condition of the continuance
              thereof;
<PAGE>   9
                                       6



       (iii)  the right reserved to or vested in any government or public
              authority to levy taxes on Petroleum Substances or the income or
              revenue attributable thereto and governmental requirements as to
              production rates on the operations of any property;

       (iv)   rights reserved to or vested in any municipality or governmental,
              statutory or public authority to control or regulate any of the
              Assets in any manner;

       (v)    the terms and conditions of the Title and Operating Documents;

       (vi)   undetermined or inchoate liens incurred or created in the ordinary
              course of business as security in favour of the person conducting
              the operation of the Assets to which such liens relate for the
              Corporation's or the Subsidiary's proportionate share of the costs
              and expenses of such operations which are not due or delinquent or
              are being contested in good faith;

       (vii)  the reservations, limitations, provisos and conditions in any
              original grants from the Crown of any of the Lands or interest
              therein and statutory exceptions to title;

       (viii) provisions for penalties and forfeitures under agreements as a
              consequence of non-participation in operations;

       (ix)   liens granted in the ordinary course of business to a public
              utility, municipality or governmental authority in connection with
              operations conducted with respect to the Assets;

       (x)    the burdens, encumbrances, royalties, adverse claims, reduction
              in, conversion or alterations of interests and penalties set forth
              in Schedule "1.ap";

       (xi)   the burdens, encumbrances, royalties, adverse claims, reduction
              in, conversion or alterations of interests, penalties, comments
              and qualifications set forth in the Burnet, Duckworth & Palmer
              opinion dated January 31, 1996 regarding title to the Reviewed
              Assets;

       (xii)  all Uncured Title Defects which have been waived pursuant to
              subclause 11.b;

       (xiii) all Uncured Title Defects which at Closing are the subject of an
              indemnity given pursuant to subclause 11.e;

       (xiv)  all Title Defects where the cumulative amount by which the value
              of the Affected Assets has been reduced is less than 2.5% of the
              Purchase Price;
<PAGE>   10
                                       7



       (xv)   all Title Defects where the cumulative amount by which the value
              of the Affected Assets has been reduced is equal to or greater
              than 2.5% of the Purchase Price and the Purchase Price has been
              adjusted pursuant to subclause 11.b.(ii)C or otherwise in respect
              to the same; and

       (xvi)  any circumstance, matter or thing disclosed in any Schedule
              hereto;

bb.    "Permitted Environmental Defects" means any of the following:

       (i)    the Environmental Defects disclosed in the facilities audits or
              Environmental Report included in the Data Room;

       (ii)   all Uncured Environmental Defects where the cumulative amount of
              the estimated costs to cure the Uncured Environmental Defects is
              less than 2.5% of the Purchase Price;

       (iii)  all Environmental Defects which have been waived pursuant to
              subclause 12.c;

       (iv)   all Uncured Environmental Defects which at Closing are the subject
              of an indemnity given pursuant to subclause 12.e;

       (v)    all Environmental Defects where the cumulative amount of the costs
              to cure the Uncured Environmental Defects is equal to or greater
              than 2.5% of the Purchase Price and the Purchase Price has been
              adjusted pursuant to subclause 12.c.(ii)C or otherwise in respect
              to the same;

       (vi)   all Environmental Defects respecting the costs of:

              A.     the abandonment of any Wells which are part of the Assets;

              B.     closure, decommissioning and dismantling the Major
                     Facilities and other Tangibles;

              C.     reclamation and restoration of all Sites;

              D.     the remediation of ground water, surface water or aquifer
                     contamination, soil contamination, corrosion or
                     deterioration of structures, equipment and fences, or
                     improper management or disposal of toxic or hazardous
                     substance emissions;

              which arise in the ordinary course of operations or which arise on
              or about the end of the economic life of the particular Asset; and

       (vii)  any circumstance, matter or thing disclosed in any Schedule
              hereto;

bc.    "Petroleum and Natural Gas Rights" means the interests set forth in
       Schedule "1.ap" in and to and in respect of the Leases and the Lands;
<PAGE>   11
                                       8



bd.    "Petroleum Substances" means petroleum, natural gas and all related
       hydrocarbons including, without limitation, all liquid hydrocarbons and
       all other mineral substances, whether liquid, solid or gaseous and
       whether hydrocarbons or not (except coal but including sulphur and
       hydrogen sulphide), produced in association with such petroleum, natural
       gas or related hydrocarbons or found in any water;

be.    "Production Sales Agreements" means the contracts set forth in Schedule
       "1.be", as amended;

bf.    "Proposal" has the meaning ascribed thereto in subclause 18.c;

bg.    "Purchase Price" has the meaning ascribed thereto in subclause 3.a;

bh.    "Purchaser" means Petro-Canada;

bi.    "Retention Period" has the meaning ascribed thereto in subclause 22.c;

bj.    "Reviewed Assets" means the Petroleum and Natural Gas Rights which are
       set forth in Schedule "1.bj" hereto;

bk.    "Right of First Refusal" means any preemptive right of purchase or
       similar right whereby any person, other than the Purchaser, has the right
       to acquire or purchase all or a portion of the Assets or the Shares as a
       consequence of the Vendor having agreed to sell the Shares to the
       Purchaser in accordance herewith;

bl.    "Section 338 Election" has the meaning ascribed thereto in subclause
       13.b.(v);

bm.    "Shares" means all of the issued and outstanding shares of the
       Corporation;

bn.    "Sites" means all lands subject to the Surface Interests;

bo.    "Subsidiary" means Amerada Hess Resources Canada Ltd. (formerly 676071
       Alberta Ltd.);

bp.    "Surface Interests" means all right, title, interest and estate of the
       Corporation and the Subsidiary to enter upon, use, occupy and enjoy the
       surface of the Lands, any lands with which the same have been pooled or
       unitized and any lands upon which the Tangibles are located, for purposes
       related to the use, ownership and operation of the Petroleum and Natural
       Gas Rights or the Tangibles, whether the same are held in fee simple, by
       lease, by right-of-way, or otherwise;

bq.    "Survival Period" means in respect to:

       (i)    the representations and warranties in subclauses 16.a through
              16.at (excepting subclauses 16.q.(ii) and 16.al), a period of one
              year from the Closing Date;
<PAGE>   12
                                       9



       (ii)   the representations and warranties in subclauses 16.q.(ii), 16.al,
              16.au and 17.j through 17.n, a period of four years from the
              Closing Date;

       (iii)  the representations and warranties in subclauses 17.a through
              17.i, a period of one year from the Closing Date; and

       (iv)   the indemnities in subclauses 11.e and 12.e, a period of three
              years from the Closing Date;

br.    "Take or Pay Obligations" means, as of a particular time, all obligations
       (including, without limitation, the future obligations of the Corporation
       and the Subsidiary under "take or pay" or similar provisions) in respect
       of contracts for the sale of Petroleum Substances allocable to the
       Petroleum and Natural Gas Rights of the Corporation and the Subsidiary at
       such time arising under, in respect of or related to such contracts
       whereby the Corporation or the Subsidiary is obligated to:

       (i)    sell or deliver Petroleum Substances allocable to any of the
              Petroleum and Natural Gas Rights without in due course receiving
              or being entitled to retain full payment therefor at the full
              price which would otherwise be applicable thereunder; or

       (ii)   pay any person an amount on account of payments previously made in
              respect of quantities of Petroleum Substances allocable to the
              Petroleum and Natural Gas Rights which were not previously
              delivered;

bs.    "Tangibles" means collectively:

       (i)    all right, title, interest and estate of the Corporation and the
              Subsidiary in the Major Facilities;

       (ii)   the right, title, interest and estate of the Corporation and the
              Subsidiary in and to all tangible depreciable property and assets
              that are situated in, on or about the Lands or lands pooled or
              unitized therewith, appurtenant thereto or used or useful in
              connection with the exploration for, drilling for, development,
              production, gathering, processing, transmission, compression or
              treatment operations relating to the Petroleum and Natural Gas
              Rights including, without limitation, equipment and, casing
              relating to the Wells and pipelines, flowlines, gathering systems,
              production tubing, batteries, plants and other equipment and all
              permits, licenses and other authorizations in respect thereof;

bt.    "Tar Sands Assets" means the interests set forth in Schedule "1.bt" in
       and to and in respect of the Leases and the Lands to the extent included
       under the area heading "Athabasca" and "McLelland McKay" and all
       Tangibles and Miscellaneous Interests which directly relate thereto;

bu.    "Tar Sands Buyer" has the meaning ascribed thereto in subclause 8.a;
<PAGE>   13
                                       10



bv.    "Tar Sands Option Agreement" means an agreement between the Vendor and
       the Corporation in the form of Schedule "1.bv";

bw.    "Tar Sands Proceeds" has the meaning ascribed thereto in subclause 8.d;

bx.    "Tar Sands Tax Adjustment" has the meaning ascribed thereto in subclause
       8.f;

by.    "Tax" or "Taxes" means all federal, provincial, state, municipal and
       other taxes of any taxing jurisdiction including the United States of
       America and Canada (including, without limitation, income taxes, sales
       taxes, excise taxes, petroleum and gas revenue taxes, value added taxes,
       goods and services taxes, capital taxes, property taxes, and production,
       severance and similar taxes and assessments based upon or measured by
       ownership or production of Petroleum Substances or the receipt of
       proceeds therefrom) and includes penalties, interest and fines with
       respect thereto;

bz.    "Technical Information" means all production, engineering and other
       information relating to the Petroleum and Natural Gas Rights, the Lands
       and the Tangibles which the Corporation or the Subsidiary either has in
       its custody or to which the Corporation or the Subsidiary has access
       including without limitation any seismic, geological interpretations,
       geological and geophysical data, contracts, agreements or documents to
       the extent they provide for the technology of the Corporation or the
       Subsidiary and any archive samples, including core and liquid samples and
       cuttings;

ca.    "Title and Operating Documents" means in respect of any of the Petroleum
       and Natural Gas Rights, the Tangibles or the Surface Interests, all
       documents of title (including, without limitation, the Leases, permits,
       operating agreements, unit agreements, pooling agreements, trust
       declarations, gas and liquid sales agreements, agreements for the
       construction, ownership and operation of the Tangibles, gathering,
       transportation and processing agreements) by virtue of which such
       Petroleum and Natural Gas Rights, Tangibles and Surface Interests are
       held or were acquired by the Corporation or the Subsidiary;

cb.    "Title Defect" means a material defect which would not be acceptable to a
       sophisticated prudent purchaser of the Shares in the title of the
       Corporation or the Subsidiary in and to any of the Assets;

cc.    "Title Evaluator" has the meaning given in subclause 11.c.(ii);

cd.    "Uncured Environmental Defect" has the meaning given in subclause 12.c;

ce.    "Uncured Title Defects" has the meaning given in subclause 11.b;

cf.    "Vendor" means Amerada Hess Corporation; and

cg.    "Vendor Confidential Information" has the meaning given in subclause
       22.a;
<PAGE>   14
                                       11


ch.    "Wells" means all producing, suspended, shut-in, abandoned, water source
       disposal or injection wells located on the Lands or any lands pooled or
       unitized therewith, which wells include, but are not limited to, those
       wells listed in Schedule "1.ch" hereto.

2.            INTERPRETATION

a.     The headings of the clauses of this Agreement and of the schedules are
       inserted for convenience of reference only and shall not affect the
       meaning or construction hereof.

b.     Whenever the singular or masculine or neuter is used in this Agreement or
       in the schedules, each shall be interpreted as meaning the plural or
       feminine or body politic or corporate, and vice versa, as the context
       requires.

c.     If there is any conflict or inconsistency between the provisions of this
       Agreement and those of a schedule attached hereto, the provisions of this
       Agreement shall prevail.

d.     All documents executed and delivered pursuant to the provisions of this
       Agreement are subordinate to the provisions hereof and the provisions
       hereof shall govern and prevail in the event of a conflict.

e.     Any reference to a statute shall include and shall be deemed to be a
       reference to such statute and to the regulations made pursuant thereto,
       and all amendments made thereto and in force at the date hereof.

f.     Where in this Agreement or any document delivered pursuant hereto a
       representation or warranty is made on the basis of knowledge of a Party,
       the Corporation or the Subsidiary, such knowledge consists only of the
       actual knowledge of those senior officers of such Party, the Corporation
       or the Subsidiary, as the case may be, who are responsible for the
       supervision of the subject matter of such representation or warranty
       (without making any enquiry), and does not include knowledge and
       awareness of any other person or persons.

g.     The following schedules are attached to, form part of and are
       incorporated in the Agreement:

       1.ab        Escrow Agreement
       1.ag        Financial Statements
       1.ai        Heavy Oil
       1.ak        Heavy Oil Option Agreement
       1.ap        Petroleum and Natural Gas Rights
       1.ar        Major Facilities
       1.be        Production Sales Agreements
       1.bj        Reviewed Assets
       1.bt        Tar Sands
       1.bv        Tar Sands Option Agreement
<PAGE>   15
                                       12



       1.ch        Wells
       11.c        Allocated Values
       13.b.(v)    I.R.S. Tax Forms
       14.a.(v)    Legal Opinion of Vendor's Solicitor
       15.a.(ix)   Legal Opinion of Purchaser's Solicitor
       16.f        Gas Balancing
       16.i        Notices
       16.l        Legal Proceedings
       16.r        Authorities for Expenditures
       16.al       Tax Matters
       16.an.(i)   Certain Employee Matters
       16.an.(iii) Pension and Retirement Plans
       16.ar       Bank Account
       17.h        Approvals and Rulings
       18.d.(vi)   Insurance

3.            PURCHASE AND SALE

a.     The Purchaser hereby agrees to purchase the Shares from the Vendor and
       the Vendor hereby agrees to sell and convey the Shares to the Purchaser
       on the Closing Date at and for a purchase price of five hundred and
       thirty six million, five hundred and thirteen thousand, seven hundred and
       sixty Dollars ($536,513,760) (the "Purchase Price").

b.     The Purchase Price shall be increased or decreased, as the case may be,
       in accordance with the provisions of subclauses 3.c and 3.d and clause 6
       (the "Adjusted Purchase Price").

c.     The Purchaser hereby agrees to pay to the Vendor, in addition to the
       Purchase Price, an incremental aggregate amount, calculated on a daily
       basis from and including the Adjustment Time to and including the Closing
       Date, equal to the result obtained by:

       (i)    multiplying a rate of interest equal to one percent per annum plus
              the Base Rate in effect from time to time in New York City, New
              York during such period by the Purchase Price;

       (ii)   multiplying the result in (i) by the number of days in such
              period; and

       (iii)  dividing the result in (ii) above by 365.

d.     The Purchaser hereby agrees to pay to the Vendor, as an increase in the
       Purchase Price, the full amount by which, on a cumulative basis, any and
       all refunds or overpayments of federal, provincial, state, municipal or
       other corporate income taxes received or utilized by the Corporation, the
       Subsidiary or the Finance Subsidiaries, which refunds or overpayments
       were claimed by the Corporation, the Subsidiary or the Finance
       Subsidiaries after the Closing with respect to any period ending on or
       prior to the Adjustment Time, exceed the sum of (i) any and all Claims
<PAGE>   16
                                       13



       for Tax for any such corporate income taxes paid by the Corporation, the
       Subsidiary or the Finance Subsidiaries, which Claims for Tax were
       asserted against the Corporation, the Subsidiary or the Finance
       Subsidiaries after the Closing with respect to any period ending on or
       prior to the Adjustment Time, plus (ii) three million Dollars
       ($3,000,000). This amount is hereinafter referred to as the "Net Tax
       Refund Amount". The Net Tax Refund Amount shall be determined and paid by
       the Purchaser within 30 days of the end of the first calendar year in
       which that amount is a positive number. Within 30 days of the end of each
       calendar year thereafter, the Purchaser shall pay to the Vendor, as a
       further increase in the Purchase Price, the full amount by which the Net
       Tax Refund Amount for that year exceeds the Net Tax Refund Amount for the
       prior calendar year; and the Vendor shall pay to the Purchaser, as a
       reduction in the Purchase Price, the full amount by which, the Net Tax
       Refund Amount for that year is less than the Net Tax Refund Amount for
       the prior calendar year. For greater certainty, the Net Tax Refund Amount
       shall not be less than zero.

4.            PAYMENTS

              The Adjusted Purchase Price shall be payable by the Purchaser as
follows:

a.     ten percent of the Purchase Price as a good faith deposit (the "Deposit")
       which has been paid to the Vendor's solicitors, in trust pursuant to
       Escrow Agreement. The Vendor's solicitor's shall purchase an interest
       bearing certificate in the amount of the deposit at one of the five
       largest Canadian chartered banks or the Treasury Branch maturing on or
       before the Closing Date. If the purchase and sale contemplated herein
       does not close as a result of a breach by the Purchaser of an obligation
       hereunder, then, in such case, (i) the Deposit and interest thereon shall
       be forfeited to the Vendor as a genuine pre-estimate of liquidated
       damages and not as a penalty; (ii) each Party shall be released from all
       obligations hereunder; (iii) each Party shall take all reasonable action
       to return the other Party to the position relative to the Assets and the
       Shares which such Party occupied prior to the execution hereof; and (iv)
       each Party will each bear all costs incurred by it prior thereto. If the
       purchase and sale contemplated herein does not close for any reason other
       than the failure of the Purchaser to meet its obligations hereunder, the
       Deposit and interest thereon shall be forthwith delivered by the Vendor's
       solicitors and the Vendor to the Purchaser. If the purchase and sale
       contemplated herein is closed, then the Deposit and interest earned
       thereon shall be paid to the Vendor at Closing as partial payment of the
       Adjusted Purchase Price. If the Vendor's solicitors become aware that
       there is a dispute as to entitlement to all or part of the Deposit and/or
       the interest earned thereon, it shall be entitled to interplead the
       matter and pay the Deposit and/or interest thereon, as the case may be,
       to the Clerk of the Court in which the matter is so interpleaded; and

b.     in the event that the Vendor exercises its option pursuant to subclause
       8.a, the balance of the Adjusted Purchase Price determinable at that time
       shall be paid by wire transfer delivered to Vendor at Closing in
       accordance with the terms hereof;
<PAGE>   17
                                       14



c.     in the event that the Vendor does not exercise its option pursuant to
       subclause 8.a:

       (i)    the Excess Heavy Oil Proceeds and/or the Excess Tar Sands Proceeds
              shall forthwith be paid by wire transfer delivered to the Vendor
              in accordance with the terms hereof upon receipt thereof by the
              Corporation or its successors and assigns; and

       (ii)   the balance of the Adjusted Purchase Price determinable at that
              time shall be paid by wire transfer delivered to Vendor at Closing
              in accordance with the terms hereof; and

d.     the balance of the Adjusted Purchase Price determined at a time after
       Closing shall be paid promptly, after such determination, by wire
       transfer delivered to the Vendor in accordance with the terms hereof.

5.                      WITHHOLDING TAX

a.     The Vendor and the Purchaser acknowledge that pursuant to section 116 of
       the Act:

       (i)    the Purchaser must withhold and remit to the Receiver General
              (Canada) one third of the amount, if any, by which the Adjusted
              Purchase Price (expressed in Canadian dollars on the date of
              payment to the Vendor or the Vendor's solicitors) exceeds the
              certificate limit (herein the "Certificate") for the purposes of
              section 116 of the Act obtained by the Vendor in respect of the
              sale of the Shares by the Vendor; and

       (ii)   the Purchaser must withhold one third of the portion of the
              Adjusted Purchase Price expressed in Canadian dollars at the date
              of payment and remit the same to the Receiver General (Canada) on
              the 30th day of the month following the month in which the Closing
              occurs if no Certificate is obtained by the Vendor prior to the
              date when remittance to the Receiver General (Canada) is to be
              made in accordance with the Purchaser's obligations under 116(5)
              of the Act.

b.     The Purchaser shall, if a Certificate with a limit of at least the sum of
       the portion of the Adjusted Purchase Price previously paid and the
       portion of the Adjusted Purchase Price then being paid (expressed in
       Canadian dollars on the date of payment to the Vendor or the Vendor's
       solicitors) has not been provided to the Purchaser on or prior to the
       date of payment, withhold from such portion of the Adjusted Purchase
       Price then being paid one third of the amount by which such portion of
       the Adjusted Purchase Price then being paid (expressed in Canadian
       dollars on the date of payment to the Vendor or the Vendor's solicitors)
       exceeds the Certificate limit or one third of the portion of the Adjusted
       Purchase Price then being paid expressed in Canadian dollars if the
       Vendor does not obtain a Certificate and shall deposit such amount in
       trust with the Vendor's solicitors pursuant to the Escrow Agreement, who
       will remit:
<PAGE>   18
                                       15



       (i)    to the Receiver General (Canada) during the period within which
              remittance is required by the Purchaser under the Act if the
              Certificate has not been received by the Vendor's solicitors and
              the Purchaser prior to remittance to the Receiver General (Canada)
              in accordance herewith, an amount equal to the Purchaser's
              obligations under subsection 116(5) of the Act;

       (ii)   to the Vendor upon delivery by the Vendor to the Vendor's
              solicitors and the Purchaser of a Certificate for the Adjusted
              Purchase Price (expressed in Canadian dollars on the date of
              payment to the Vendor or the Vendor's solicitor), the amount
              withheld; or

       (iii)  in the event that the Certificate is for an amount less than the
              Adjusted Purchase Price (expressed in Canadian dollars on the date
              of payment to the Vendor or the Vendor's solicitors):

              A.     such amount as will satisfy the Purchaser's obligation
                     under subsection 116(5) of the Act will be remitted to the
                     Receiver General (Canada); and

              B.     the balance will be paid to the Vendor.

       As the matters contemplated in this clause 5.b are completed, the Vendor
       shall cause the Vendor's solicitors to provide the Vendor and the
       Purchaser with proof that the amount in clause 5.b has been remitted to
       the Receiver General (Canada) and to account to the Vendor and the
       Purchaser in respect of such matters.

c.     Interest earned on any amount withheld by the Purchaser and deposited in
       trust with the Vendor's solicitors pursuant to clause 5.b will be paid by
       the Vendor's solicitors as follows:

       (i)    as to 10% (or any greater or lesser percentage that may be
              required at the applicable time pursuant to the Act or a tax
              treaty) to the Receiver General (Canada); and

       (ii)   as to the balance remaining after remittance of the amount in
              clause 5.c.(i) to the Vendor.

       The Vendor will, by the end of the month following the month in which
       Closing occurs, cause the Vendor's solicitors to provide the Vendor and
       the Purchaser with proof that the amount in clause 5.c.(i) has been
       remitted to the Receiver General (Canada).

d.     The Vendor hereby covenants that it will provide the Vendor's solicitors
       with such funds as are required to permit the Vendor's solicitors to
       comply with their obligations as described under subclauses 5.b and 5.c
       hereof, the Escrow Agreement and the Purchaser's obligations under
       subsection 116(5) of the Act within the time stipulated therein.
<PAGE>   19
                                       16



6.            ADJUSTMENTS

a.     (i)    The Purchase Price shall be increased by an amount equal to
              $29,524,000, representing the current assets (including cash and
              cash equivalents, accounts receivable and other current assets) of
              the Corporation, the Subsidiary and the Finance Subsidiaries as of
              the Adjustment Time as set forth in the Financial Statements.

       (ii)   The Purchase Price shall be increased by an amount equal to the
              aggregate of $10,200,000 and the amount of all accrued but unpaid
              dividends on the Pemada Shares as at the Adjustment Time.

       (iii)  The Purchase Price shall be increased by an amount equal to
              $5,908,000, representing the difference between the Intercompany
              Receivable as at the Adjustment Time and the principal amount
              owing in respect of the Credit Facility as at the Adjustment Time.

       (iv)   The Purchase Price shall be increased in an amount equal to the
              Excess Heavy Oil Proceeds and Excess Tar Sands Proceeds, if any,
              determined in accordance with the provisions of subclauses 8.c.
              and 8.d.

       (v)    The Purchase Price shall be decreased by $15,955,000, representing
              an amount equal to the current liabilities (including accounts
              payable and accrued liabilities and taxes payable) of the
              Corporation, the Subsidiary and the Finance Subsidiaries as of the
              Adjustment Time as set forth in the Financial Statements, but
              excluding deferred hedging gains and the current portion of long
              term debt.

       (vi)   Subject to subclauses 15.a.(ii) and 15.a.(iii), the Purchase Price
              shall be decreased by an amount equal to all dividends declared
              (whether paid or not) and other distributions made by the
              Corporation to the Vendor subsequent to the Adjustment Time (other
              than corporate management fees paid in the ordinary course of
              business in accordance with past practices or as disclosed in the
              Financial Statements) and prior to Closing.

       (vii)  The Purchase Price shall be increased by an amount equal to the
              dividends referred to in subclause 6.a.(vi) in respect of which
              payment is waived by the Vendor subsequent to the Closing and on
              or before the thirtieth (30th) day of the month following the
              month in which Closing occurs. Upon delivery of any such waiver
              the Vendor shall cease to be entitled to any such payment of the
              applicable dividend and shall at the request of the Purchaser
              deliver to the Corporation an unconditional release in respect
              thereof.

       (viii) The Purchase Price shall be decreased in accordance with the
              provisions of subclauses 11.b.(ii)C and 12.c.(ii)C.
<PAGE>   20
                                       17



7.            INTERCOMPANY RECEIVABLE, CREDIT FACILITY AND DIVIDENDS

a.     After the Adjustment Time and prior to the Execution Date, the
       Intercompany Receivable has been fully repaid and retired and the Finance
       Subsidiaries have declared and paid dividends and made other
       distributions to the Corporation (including without limitation,
       distributions as return of capital) in an aggregate amount equal to the
       Intercompany Receivable, less $485,478.27 representing such amounts of
       retained earnings and stated capital of the Finance Subsidiaries as shall
       be sufficient to pay all Taxes and certain other expenses payable by the
       Finance Subsidiaries in respect to the declaration and payment of such
       dividends and the making of such distributions (such remaining amount of
       the Intercompany Receivable paid to the Corporation being referred to as
       the "Intercompany Payment").

b.     After the Adjustment Time and prior to the Execution Date, the
       Corporation has paid all principal then owing in respect of the Credit
       Facility out of the Intercompany Payment.

c.     On or before the Closing, the Vendor may cause the Corporation to declare
       dividends and to agree to make distributions provided that such dividends
       and other distributions shall in no event exceed the retained earnings of
       the Corporation as of the date of payment of such dividends or
       distributions.

d.     In the event the Vendor causes the Corporation to declare dividends and
       to agree to make distributions pursuant to subclause 7.c:

       (i)    before Closing, the Purchaser shall wire transfer to the
              Corporation in accordance with the terms of subclause 15.a.(ii)
              funds in an amount equal to any cash deficiency in the Corporation
              not exceeding the amount required to pay such dividends or make
              such distributions; and

       (ii)   the Purchaser shall cause the Corporation to pay all dividends
              which are declared (but not paid prior to Closing) in accordance
              with the terms of the resolution declaring such dividends, unless
              payment is waived in writing by the Vendor.

e.     For a period after the Closing through the thirtieth (30th) day of the
       month following the month in which Closing occurs the Purchaser shall
       cause the Corporation not to take any action which would cause the
       Corporation to be prohibited under applicable laws from paying any unpaid
       dividends referred to in subclause 7.c.

f.     Notwithstanding any other provision of this Agreement or any document
       delivered pursuant hereto, the Vendor will hold harmless and indemnify
       the Purchaser with respect to any liabilities relating to Taxes paid by
       the Corporation or its successor, on their own account or on behalf of
       the Vendor, in connection with any dividends paid by the Corporation or
       its successor to the Vendor after Closing or in connection with the Tar
       Sands Option Agreement or the Heavy Oil Option Agreement (except to the
       extent taken into account in subclauses 8.e or 8.f.
<PAGE>   21
                                       18



8.            HEAVY OIL ASSETS AND TAR SANDS ASSETS

a.     Prior to the Closing, the Vendor may at its sole option cause the
       Corporation to transfer, assign and convey the Heavy Oil Assets and/or
       the Tar Sands Assets to any person other than the Purchaser but including
       the Vendor or its nominee (the "Heavy Oil Buyer" and the "Tar Sands
       Buyer", respectively), provided that the Corporation does not and will
       not make any election pursuant to the Act or any similar provincial
       legislation in connection with such transfer, assignment or conveyance.

b.     For the period after Closing through the thirtieth (30th) day of the
       month following the month in which Closing occurs, upon written request
       of the Vendor, the Purchaser shall cause the Corporation to transfer,
       assign and convey the Heavy Oil Assets and/or the Tar Sands Assets to any
       Heavy Oil Buyer and/or Tar Sands Buyer, provided that the Corporation
       does not and will not make any election pursuant to the Act or any
       similar provincial legislation in connection with such transfer,
       assignment or conveyance.

c.     In the event the Corporation or its successors or assigns on or before
       the thirtieth (30th) day of the month following the month in which
       Closing occurs transfers, assigns and conveys the Heavy Oil Assets to a
       Heavy Oil Buyer, the Purchase Price shall be increased in the amount of
       the Excess Heavy Oil Proceeds. The "Excess Heavy Oil Proceeds" means:

       (i)    the Heavy Oil Proceeds; minus

       (ii)   the Heavy Oil Tax Adjustment as determined in subclause 8.e.

       The "Heavy Oil Proceeds" means the proceeds received from the Heavy Oil
       Buyer by the Corporation or its successors or assigns from the grant of
       any option, forfeiture of any deposit or sale of the Heavy Oil Assets.

d.     In the event the Corporation or its successors or assigns on or before
       the thirtieth (30th) day of the month following the month in which
       Closing occurs transfers, assigns and conveys the Tar Sands Assets to a
       Tar Sands Buyer, the Purchase Price shall be increased in the amount of
       the Excess Tar Sands Proceeds. "Excess Tar Sands Proceeds" means:

       (i)    the Tar Sands Proceeds; minus

       (ii)   the Tar Sands Tax Adjustment as determined in subclause 8.f.

       The "Tar Sands Proceeds" means the proceeds received from the Tar Sands
       Buyer by the Corporation or its successors or assigns from the grant of
       any option, forfeiture of any deposit or the sale of the Tar Sands
       Assets.
<PAGE>   22
                                       19



e.     The "Heavy Oil Tax Adjustment" means the sum of:

       (i)    the product obtained by multiplying the Heavy Oil Proceeds (up to
              a maximum equal to the lesser of:

              A.     the amount of the Cumulative Canadian Oil and Gas Property
                     Expenses of the Corporation available at the Closing
                     (determined as if the Heavy Oil Assets were sold on the
                     date which was immediately before the Closing whether the
                     sale of the Heavy Oil Assets occurs before or after the
                     Closing), and

              B.     the portion of the Heavy Oil Proceeds that reduce such
                     Cumulative Canadian Oil and Gas Property Expenses)

              by 0.215;

       (ii)   the product obtained by multiplying the Heavy Oil Proceeds up to a
              maximum equal to the lesser of:

              A.     the amount of the Cumulative Canadian Development Expenses
                     of the Corporation available at the Closing (determined as
                     if the Heavy Oil Assets were sold on the date which was
                     immediately before the Closing whether the sale of the said
                     Heavy Oil Assets occurs before or after the Closing), and

              B.     the portion of the Heavy Oil Proceeds that reduce, directly
                     or indirectly, such Cumulative Canadian Development
                     Expenses

              by 0.323; and

       (iii)  the product obtained by multiplying any remaining balance of the
              Heavy Oil Proceeds by 0.43.

f.     The "Tar Sands Tax Adjustment" means the sum of:

       (i)    the product obtained by multiplying the Tar Sands Proceeds (up to
              a maximum equal to the lesser of:

              A.     the amount of the Cumulative Canadian Development Expenses
                     of the Corporation available at the Closing (determined as
                     if the Tar Sands Assets were sold on the date which is
                     immediately before the Closing whether the sale of the Tar
                     Sands Assets occurs before or after the Closing) (after
                     taking into account the proceeds of any sale of the Heavy
                     Oil Assets whether the sale of the said Heavy Oil Assets
                     occurs before or after the Closing), and
<PAGE>   23
                                       20



              B.     the portion of the Tar Sands Proceeds that reduce such
                     Cumulative Canadian Development Expenses

              by 0.323; and

       (ii)   the product obtained by multiplying any remaining balance of the
              Tar Sands Proceeds by 0.43.

g.     The Purchaser acknowledges that the Corporation may grant to the Vendor
       an assignable option to acquire the Heavy Oil Assets, in the form of the
       Heavy Oil Option Agreement. The Purchaser after Closing shall cause the
       Corporation to perform and fulfil its obligations under such Heavy Oil
       Option Agreement.

h.     The Purchaser acknowledges that the Corporation may grant to the Vendor
       an assignable option to acquire the Tar Sands Assets, in the form of the
       Tar Sands Option Agreement. The Purchaser after Closing shall cause the
       Corporation to perform and fulfil its obligations under such Tar Sands
       Option Agreement.

i.     The terms and conditions of the sale of the purchase and sale agreements
       related to the Heavy Oil Assets and/or the Tar Sands Assets shall be
       substantially the same in all material respects as the terms and
       conditions contained in the respective Agreement(s) of Purchase and Sale
       of the Heavy Oil Assets and the Tar Sands Assets attached to the Heavy
       Oil Option Agreement or Tar Sands Option Agreement except for such
       modifications as the Purchaser may consent to, such consent not to be
       unreasonably withheld or delayed.

j.     During the period from Closing through the thirtieth (30th) day following
       the month in which Closing occurs the Purchaser shall cause the
       Corporation and its successors and assigns:

       (i)    not to grant any royalty, production payment, penalty, lien,
              charge, security interest or encumbrance against any of the Heavy
              Oil Assets or the Tar Sands Assets created by, through or under
              the Corporation or its successors and assigns;

       (ii)   not to initiate any operations on the lands forming part of any of
              the Heavy Oil Assets or the Tar Sands Assets;

       (iii)  to pay all costs and expenses relating to the Heavy Oil Assets and
              the Tar Sands Assets which are subject to adjustments pursuant to
              the agreements referred to in subclause 8.i;

       (iv)   not to farmout, surrender, abandon or otherwise dispose of any of
              the Heavy Oil Assets or the Tar Sands Assets; and

       (v)    not to amend or terminate any agreement or instrument relating to
              any of the Heavy Oil Assets or Tar Sands Assets or enter into any
              new
<PAGE>   24
                                       21



              agreement or commitment relating to any of the Heavy Oil Assets or
              the Tar Sands Assets.

9.            CLOSING

              The Closing shall, unless otherwise agreed by the Parties, take
place on the Closing Date at the offices of the Vendor in the United States, in
New York City, New York.

10.           CORPORATE AND GENERAL MATTERS REGARDING REVIEW

a.     The Vendor shall provide reasonable access for the Purchaser and its
       advisors provided for in subclause 10.b, to the Corporation's records,
       books, accounts, documents, files, information, materials, minute books,
       Tax returns, Tax receipts, filings and Technical Information regarding
       the Corporation, the Subsidiary, the Finance Subsidiaries, the Assets and
       the Shares for the purpose of the Purchaser's review of the Corporation,
       the Subsidiary, the Finance Subsidiaries, the Assets and the Shares and
       title thereto. The access rights granted to the Purchaser herein shall be
       subject to the Confidentiality Agreement and the terms and conditions
       prohibiting disclosure of information in existing agreements to which any
       of the Corporation, the Subsidiary or the Finance Subsidiaries is a party
       or is bound.

b.     The Purchaser may employ advisors to assist in its review of the
       Corporation, the Subsidiary, the Finance Subsidiaries, the Assets and the
       Shares and the Purchaser shall be responsible to the Vendor for ensuring
       that such advisors comply with the restrictions on use and disclosure of
       information set forth in clause 39 of this Agreement and the
       Confidentiality Agreement.

11.           TITLE REVIEW

a.     Upon execution of this Agreement, the Vendor shall promptly make
       available or cause to be made available to the Purchaser, all records in
       its possession and shall cooperate with the Purchaser in securing access
       for the Purchaser to any records that may be in the possession of third
       parties for the purpose of allowing the Purchaser to examine and evaluate
       the title of the Vendor in and to the Assets, excluding the Reviewed
       Assets. The Purchaser shall give notices of Title Defects (other than
       Permitted Encumbrances (excepting defects referenced in subclauses
       1.ba.(xii), 1.ba.(xiii), 1.ba.(xiv) and 1.ba.(xv)) to the Vendor from
       time to time during the course of its title review. Such notices shall
       include a description of each such Title Defect, the value thereof, the
       Asset affected thereby and the Purchaser's requirements for the curing
       thereof. Except for such Title Defects identified in notices received on
       or before 5:00 p.m. New York City, New York time, ten (10) Business Days
       prior to the Closing Date, the title of the Vendor in and to the Assets
       shall be deemed to be acceptable for the purposes of this clause 11.

b.     If notice of such Title Defects is given, the Vendor shall use reasonable
       efforts to remedy such Title Defects as soon as possible and in any event
       on or before the day prior to the Closing Date, provided that the Vendor
       shall not be required to make 


<PAGE>   25
                                       22



       any payment to cure a Title Defect. If the Vendor does not remedy such
       Title Defect (the "Uncured Title Defects") on or before the day prior to
       the Closing Date, then:

       (i)    where the cumulative amount by which the value of the Affected
              Assets has been reduced is less than 2.5% of the Purchase Price,
              the Purchaser shall complete the purchase of the Shares without
              adjustments to the Purchase Price on account of such Title
              Defects;

       (ii)   where the cumulative amount by which the value of the Affected
              Assets has been reduced is equal to or greater than 2.5% of the
              Purchase Price, the Purchaser may elect on or before the Closing
              Date to:

              A.     with the agreement of the Vendor, grant a further period of
                     time within which the Vendor may cure or remove the Uncured
                     Title Defects;

              B.     waive the Uncured Title Defects and proceed with Closing;
                     or

              C.     not waive the Uncured Title Defects, in which event the
                     Purchase Price shall be reduced by the values determined in
                     accordance with clause 11.c and proceed with Closing; or

       (iii)  if the cumulative amount by which the value of the Assets affected
              by the Uncured Title Defects not waived by the Purchaser is equal
              to or greater than ten percent of the Purchase Price, then the
              Vendor or the Purchaser may elect to terminate this Agreement in
              its entirety.

       Failure by the Purchaser to elect or to elect in a timely manner shall be
       conclusively deemed to be an election to waive all Uncured Title Defects
       for the purposes of this clause 11.

c.     If it is necessary to allocate value to any particular portion of the
       Assets for the purposes of clause 11.b then, the Vendor and the Purchaser
       shall meet and use reasonable efforts to agree on the validity of the
       Title Defect and the amount of any required adjustment to the Purchase
       Price utilizing the allocated value for the Assets as set forth on
       Schedule "11.c" ("Allocated Value"). In determining any required
       adjustment to the Purchase Price, it is the intent of the parties to
       include, when possible, only that portion of the Asset adversely affected
       by the Uncured Title Defect. If the Allocated Value of the affected Asset
       cannot be determined directly from Schedule "11.c" because the Uncured
       Title Defect is included within, but does not totally comprise the Asset
       to which the Allocated Value relates, the Vendor and the Purchaser shall
       attempt to agree on a proportionate reduction of the Allocated Value. If
       the Parties cannot mutually agree on the adjustment to the Purchase Price
       for an Uncured Titled Defect then Closing shall be delayed and within
       three (3) Business Days of notice being given by one Party to the other:
<PAGE>   26
                                       23



       (i)    each of them shall provide to the other, at the same time, a
              written statement separately setting forth its proposed reduction
              in value in respect of each of the affected Assets ("Affected
              Assets") including how such value was determined; and

       (ii)   each Party shall submit the determination of the value of the
              Affected Assets to DeGolyer and MacNaughton (the "Title
              Evaluator"), together with written instructions that:

              A.     the Title Evaluator to the extent that it may be necessary
                     to engage legal counsel to advise the Title Evaluator on
                     the legal aspects of an Uncured Title Defect;

              B.     the Title Evaluator, in accordance with good engineering
                     and evaluation practices, select a value for each of the
                     Affected Assets from and based only upon the written
                     statements and values submitted by the parties to each
                     other and the Title Evaluator. The Title Evaluator must
                     select either the Purchaser's proposed value or the
                     Vendor's proposed value. The Title Evaluator shall not be
                     entitled to propose a compromise settlement; and

              C.     such evaluation must be completed within five (5) Business
                     Days from the date of submission.

       The fees and other costs to be paid to the Title Evaluator in respect to
       the services performed by it shall be borne in equal shares by the Vendor
       and the Purchaser. Notwithstanding any other provisions in this Agreement
       concerning the Closing Date, if a value is to be determined by the Title
       Evaluator and the Title Evaluator's decision has not been received by the
       Parties on or before 9:00 a.m. New York City, New York time on the
       Closing Date, then the Closing Date shall be extended automatically to
       two (2) Business Days after the Title Evaluator's decision has been given
       to the Parties. If a Party fails to provide a written statement of value
       to the Title Evaluator together with its written instructions as set out
       herein, then the Title Evaluator shall select the other Party's
       determination of value and the transaction shall proceed.

d.     Notwithstanding the reduction of the Purchase Price pursuant to clause
       11.b, the Purchaser agrees that if the Vendor is able to cure or rectify
       a Title Defect with respect to any particular portion or portions of the
       Assets (each a "Cured Asset") within a period of one hundred and eighty
       (180) days after the Closing Date, the Purchaser shall pay to the Vendor,
       as an increase in the Purchase Price, the amount by which the Purchase
       Price was reduced in respect of such Cured Asset, within ten days after
       the Purchaser has been notified of such cure or rectification.

e.     Notwithstanding any other provisions of this clause 11, the Vendor shall
       have the option to execute and deliver to the Purchaser a title indemnity
       whereby the Vendor shall keep the Purchaser indemnified from and against
       any and all liability, loss, 
<PAGE>   27
                                       24



       costs (including legal costs on a solicitor/client basis), suits,
       judgments, causes of action, claims or damages arising or incurred in
       connection with uncured Title Defects, to the extent the same relate to
       acts, omissions or other matters occurring prior to the Adjustment Time.
       The title indemnity shall be limited to the amount determined in
       accordance with clause 11.c and no claim for indemnification of the
       Purchaser shall be made or be enforceable, whether by legal proceedings
       or otherwise, unless written notice of the claim, setting out reasonable
       details thereof is given by the Purchaser to the Vendor within the
       Survival Period. No claim for indemnification of the Purchaser shall be
       made or be enforceable, whether by legal proceedings or otherwise, if the
       Purchaser (or after the Closing, the Corporation or the Subsidiary) or
       any of their employees, officers, directors or agents (i) has brought the
       existence of the uncured Title Defect which is the subject matter of a
       title indemnity directly or indirectly to the attention of a third party,
       or (ii) makes a copy of the title indemnity agreement or its existence
       known to a third party, and the Vendor has been materially prejudiced
       thereby. If the Vendor provides such a title indemnity the relevant
       uncured Title Defects shall be deemed to be cured and removed for all
       purposes of this Agreement including this clause 11 and clause 16.

12.           ENVIRONMENTAL REVIEW

a.     An Environmental Review may be conducted by the Purchaser in respect of
       the Assets not operated by the Purchaser or an Affiliate thereof. The
       costs of the Environmental Review shall be paid solely by the Purchaser.
       The Environmental Review shall be completed not later than ten (10)
       Business Days prior to the Closing Date and shall be undertaken in a
       manner that does not unduly interfere with operations. The Vendor shall
       provide assistance to the Purchaser in gaining access to the Assets not
       operated by the Purchaser which the Purchaser wishes to review by making
       a request to the relevant operator in that regard.

b.     The Parties shall meet and consult prior to initiation of the
       Environmental Review and during the course of its conduct. Upon
       completion of the Environmental Review the Purchaser shall give notice(s)
       to the Vendor of Environmental Defects other than Permitted Environmental
       Defects (excepting defects referenced in subclauses 1.bb.(ii),
       1.bb.(iii), 1.bb.(iv) and 1.bb.(v). Such notice(s) shall (i) identify in
       reasonable detail the nature and a description of such Environmental
       Defect and the Asset to which it relates; (ii) estimate the expected cost
       of any required remediation on an itemized and site by site basis; and
       (iii) how such cost was determined. Except for such Environmental Defects
       identified in notices of Environmental Defects received on or before 5:00
       p.m., New York City, New York time, ten (10) Business Days prior to the
       Closing Date, the environmental condition of the Assets shall be deemed
       to be acceptable for the purposes of this clause 12.

c.     If notice(s) of such Environmental Defects is given, the Vendor shall use
       reasonable efforts to remedy such Environmental Defects as soon as
       possible after being notified of such defect provided that the Vendor
       shall not be required to make any payment to cure an Environmental
       Defect. If the Vendor does not remedy such an Environmental Defect
       ("Uncured Environmental Defect"), on or before the day prior to the
       Closing Date, then:
<PAGE>   28
                                       25



       (i)    where the cumulative amount of the estimated costs to cure such
              Uncured Environmental Defects is less than 2.5% of the Purchase
              Price, the Purchaser shall complete the purchase of the Assets
              without adjustments to the Purchase Price on account of such
              Uncured Environmental Defects; or

       (ii)   where the cumulative amount of the estimated costs to cure such
              Uncured Environmental Defects is equal to or greater than 2.5% of
              the Purchase Price the Purchaser may elect on or before the
              Closing Date to:

              A.     with the agreement of the Vendor, grant a further period of
                     time within which the Vendor may cure or remove the Uncured
                     Environmental Defects;

              B.     waive the Uncured Environmental Defects and proceed with
                     Closing on the Closing Date; or

              C.     not waive the Uncured Environmental Defects, in which event
                     the Purchase Price shall be reduced by the value determined
                     in accordance with clause 12.d and proceed with Closing; or

       (iii)  if the cumulative amount by which the estimated costs to cure such
              Uncured Environmental Defects that the Purchaser did not waive is
              equal to or greater than ten percent of the Purchase Price, then
              the Vendor or the Purchaser may elect to terminate this Agreement
              in its entirety.

       Failure by the Purchaser to elect or to elect in a timely manner shall be
       conclusively deemed to be an election to waive all Uncured Environmental
       Defects for the purposes of this clause 12.

d.     If it is necessary to determine the costs to cure any Environmental
       Defects for the purposes of clause 12.c, then the Vendor and the
       Purchaser shall meet and use reasonable efforts to agree on the validity
       of the Environmental Defect and the amount of any required adjustment to
       the Purchase Price. If the parties cannot mutually agree on the
       adjustment to the Purchase Price for an Uncured Environmental Defect,
       then Closing shall be delayed and within three (3) Business Days of
       notice being given by one Party to the other:

       (i)    each of them shall provide to the other, at the same time, a
              written statement separately setting forth its proposed costs to
              cure in respect of each Uncured Environmental Defect; and

       (ii)   each party shall submit the determination of the costs to cure the
              Uncured Environmental Defects to Golder Associates Ltd. (the
              "Environmental Evaluator"), together with written instructions
              that:

              A.     the Environmental Evaluator, in accordance with good
                     environmental assessment practices, select a cost to cure
                     each 
<PAGE>   29
                                       26



                     Uncured Environmental Defect, from and based only upon the
                     written statements and costs submitted by the Parties to
                     each other and the Environmental Evaluator. The
                     Environmental Evaluator must select either the Purchaser's
                     proposed costs to cure or the Vendor's proposed costs to
                     cure. The Environmental Evaluator shall not be entitled to
                     propose a compromise settlement; and

              B.     such selection must be completed within five (5) Business
                     Days from the date of submission.

       The fees and other costs to be paid to the Environmental Evaluator in
       respect of the services performed by it shall be paid in equal shares by
       the Vendor and the Purchaser. Notwithstanding any other provisions in
       this Agreement concerning the Closing Date, if costs to cure are to be
       determined by an Environmental Evaluator and the Environmental
       Evaluator's decision has not been received by the Parties on or before
       9:00 a.m. New York City, New York time on the Closing Date, then the
       Closing Date shall be extended automatically to two (2) Business Days
       after the Environmental Evaluator's decision has been given to the
       Parties. If a Party fails to give its written statement of proposed costs
       to cure to the Environmental Evaluator together with written instructions
       as set out herein, then the Environmental Evaluator shall select the
       other Party's proposed costs to cure and the transaction shall proceed.

e.     Notwithstanding any other provisions of this clause 12, the Vendor shall
       have the option to execute and deliver to the Purchaser an environmental
       indemnity whereby the Vendor shall keep the Purchaser indemnified from
       and against any and all liability, loss, costs (including legal costs on
       a solicitor/client basis), suits, judgments, causes of action, claims or
       damages arising or incurred in connection with Uncured Environmental
       Defects, to the extent the same relate to acts, omissions or other
       matters occurring prior to the Adjustment Time. The environmental
       indemnity shall be limited to the amount determined in accordance with
       clause 12.d and no claim for indemnification of the Purchaser shall be
       made or be enforceable, whether by legal proceedings or otherwise, unless
       written notice of the claim, setting out reasonable details thereof is
       given by the Purchaser to the Vendor within the Survival Period. No claim
       for indemnification of the Purchaser shall be made or be enforceable,
       whether by legal proceedings or otherwise, if the Purchaser (or after the
       Closing, the Corporation or the Subsidiary) or any of their employees,
       officers, directors or agents (i) has brought the existence of the
       Uncured Environmental Defect which is the subject matter of an
       environmental indemnity directly or indirectly to the attention of a
       third party, or (ii) makes a copy of the environmental indemnity
       agreement or its existence known to a third party, and the Vendor has
       been materially prejudiced thereby. If the Vendor provides such an
       environmental indemnity the relevant Uncured Environmental Defects shall
       be deemed to be cured and removed for all purposes of this Agreement
       including this clause 12 and clause 16.
<PAGE>   30
                                       27



13.           CONDITIONS TO THE CLOSING

a.     The following are conditions to the Closing of the purchase herein, for
       the benefit of the Purchaser, which may be waived at the discretion of
       the Purchaser:

       (i)    that any and all necessary regulatory or governmental approvals or
              rulings required to permit the transaction to be completed shall
              have been obtained, including without limitation, approvals and
              rulings, if any, under the Investment Canada Act, the Competition
              Act (Canada) and the Hart Scott Rodino Antitrust Improvements Act
              (United States);

       (ii)   the Vendor shall have performed or complied in all material
              respects with all of the terms, covenants and conditions of this
              Agreement to be performed or complied with by the Vendor at or
              prior to the Closing Date; and

       (iii)  no suit, action or other proceeding shall, at Closing, be pending
              against the Vendor, the Purchaser, the Corporation or the
              Subsidiary before any Court or governmental agency seeking to
              restrain, prohibit, obtain damages or other relief in connection
              with the consummation of the transactions contemplated by this
              Agreement which would materially and adversely affect the Vendor,
              the Purchaser, the Corporation or the Subsidiary.

       The foregoing conditions shall be for the benefit of the Purchaser and
       may be waived by the Purchaser in writing, in whole or part, at any time.
       In case any of the said conditions 13.a.(i) to 13.a.(iii) inclusive shall
       not be complied with, or waived by the Purchaser, at or before the
       Closing Date, the Purchaser may rescind or terminate this Agreement by
       written notice to the Vendor.

b.     The following are conditions to the Closing of the sale herein, for the
       benefit of the Vendor, which may be waived at the discretion of the
       Vendor:

       (i)    that any and all necessary regulatory or governmental approvals or
              rulings required to permit the transaction to be completed shall
              have been obtained, including without limitation, approvals or
              rulings, if any, under the Investment Canada Act, the Competition
              Act (Canada) and the Hart Scott Rodino Antitrust Improvements Act
              (United States);

       (ii)   the Purchaser shall have performed or complied in all material
              respects with all of the terms, covenants and conditions of this
              Agreement to be performed or complied with by the Purchaser at or
              prior to the Closing Date;

       (iii)  the Purchaser shall have tendered or caused to be tendered to the
              Vendor the portion of the Adjusted Purchase Price determinable at
              the time of Closing;
<PAGE>   31
                                       28



       (iv)   no suit, action or other proceeding shall, at Closing, be pending
              against the Vendor, the Purchaser, the Corporation or the
              Subsidiary before any Court or governmental agency seeking to
              restrain, prohibit, obtain damages or other relief in connection
              with the consummation of the transactions contemplated by this
              Agreement which would materially and adversely affect the Vendor,
              the Purchaser, the Corporation or the Subsidiary; and

       (v)    On or prior to the Closing, the Purchaser shall have prepared,
              subject to the Vendor's review and approval in writing, with
              respect to the Purchaser's purchase of the Shares and the deemed
              purchases described herein, United States Internal Revenue Service
              Forms 8023-A and any similar forms under applicable United States
              state income tax law, including all required attachments in the
              form attached as Schedule "13.b.(v)" (collectively, the "Forms")
              and shall have delivered to the Vendor an executed letter in the
              form attached as Schedule "13.b.(v)" (the "Notice Letter"), which
              Forms and Notice Letter shall have been completed by the Vendor
              and the Purchaser prior to the Closing in accordance with the
              Parties' agreement and covenants under this Agreement that the
              Purchaser cooperate in the making of elections under Section 338
              of the United States Internal Revenue Code of 1986, as amended
              (the "Code") and any similar elections under any applicable United
              States state income tax law (collectively, the "Section 338
              Election"), with respect to Purchaser's purchase of the Shares and
              the deemed purchases under Section 338(h)(3)(B) of the Code of the
              shares of the Subsidiary and of the Finance Subsidiaries and of
              any other 80 percent or more direct or indirect subsidiary of the
              Corporation. The completed Forms and Notice Letter, included
              herein as Schedule 13.b.(v), shall have been duly executed by an
              authorized person of the Purchaser on or prior to the Closing.


       The foregoing conditions shall be for the benefit of the Vendor and may
       be waived by the Vendor in writing, in whole or part, at any time. In
       case any of the said conditions 13.b.(i) to 13.b.(v) inclusive shall not
       be complied with, or waived by the Vendor, at or before the Closing Date,
       the Vendor may rescind or terminate this Agreement by written notice to
       the Purchaser.

14.           DELIVERIES OF THE VENDOR

a.     At Closing, if the conditions precedent contained in clause 13.b are
       satisfied or waived by the Vendor, the Vendor shall deliver or cause to
       be delivered to and in favour of the Purchaser, against those deliveries
       required to be made by the Purchaser, the following:

       (i)    the existing share certificates issued in the name of the Vendor
              for 26,694 common shares in the capital stock of the Corporation,
              duly endorsed for transfer or accompanied by a written instrument
              of transfer;
<PAGE>   32
                                       29



       (ii)   a certificate of the Vendor confirming that other than changes in
              circumstances permitted or contemplated pursuant to clause 18 the
              representations and warranties of the Vendor as set forth in
              clause 16 are true and correct as of the Closing;

       (iii)  a certificate of the Vendor confirming that the conditions
              precedent set forth in clause 13.b have been waived or to the
              Vendor's knowledge satisfied by the Vendor;

       (iv)   receipt for payment of the portion of the Adjusted Purchase Price
              determinable at the time of Closing;

       (v)    an opinion of the solicitors for the Vendor addressed to the
              Purchaser and to the solicitors for the Purchaser in substantially
              the form of Schedule "14.a.(v)";

       (vi)   an opinion of the solicitors of the Vendor addressed to the
              Purchaser respecting the title to the Reviewed Assets consisting
              of four books labelled as follows:

                            "Amerada Hess Canada Ltd.
                                  Title Opinion
                                Major Properties
                                 January, 1996";

       (vii)  resignation of the Vendor's representatives as directors of the
              Corporation;

       (viii) resignation of all of the officers of the Corporation, the
              Subsidiary and the Finance Subsidiaries who are also officers of
              the Vendor;

       (ix)   mutual releases of the Corporation, the Subsidiary, the Finance
              Subsidiary and the persons who have resigned as described in
              subclauses 14.a.(vii) and 14.a.(viii); and

       (x)    any and all other documents which are required to be delivered by
              the Vendor to the Purchaser pursuant hereto.

b.     All deliveries of the Vendor shall, except as otherwise stated, be in a
       form acceptable to each of the Vendor and the Purchaser and their
       respective solicitors, acting reasonably.

15.           DELIVERIES OF THE PURCHASER

a.     At Closing, if the conditions precedent set forth in clause 13.a are
       satisfied or waived by the Purchaser, the Purchaser shall deliver or
       cause to be delivered to and in favour of the Vendor, against those
       deliveries required to be made by the Vendor, the following:
<PAGE>   33
                                       30



       (i)    payment of the Adjusted Purchase Price as set forth in the Closing
              Statement of Adjustments payable, in immediately available funds,
              to the Vendor by the Purchaser by wire transfer dated on or before
              the Closing Date made to the Vendor's account as follows:

              Bank:                     Chase Manhattan Bank, N.A.
              ABA/Routing Number:       021000021
              Account:                  910-1-339464
              For Credit To:            Amerada Hess Corporation;

       (ii)   payment of an amount equal to the cash deficiency referred to in
              subclause 7.d, payable, in immediately available funds, to the
              Corporation by the Purchaser by wire transfer dated on or before
              the Closing Date made to the Corporation's account as follows:

              Bank:                     Royal Bank of Canada
              Bank and Branch:          003-0009
              Account:                  400-245-7
              For Credit To:            Amerada Hess Canada Limited;

       (iii)  payment of the dividends and distributions pursuant to subclause
              7.c, payable, in immediately available funds, to the Vendor by the
              Corporation by wire transfer dated on or before the Closing Date
              made to the Vendor's account as follows:

              Bank:                     Chase Manhattan Bank, N.A.
              ABA/Routing Number:       021000021
              Account:                  910-1-339464
              For Credit To:            Amerada Hess Corporation;

       (iv)   a certified copy of the resolution of the board of directors of
              the Purchaser approving and authorizing the purchase of the Shares
              and the execution of this Agreement;

       (v)    a certified copy of the resolutions of the boards of directors of
              each of the Corporation and the Subsidiary at Closing approving
              and authorizing the change of name of the Corporation and the
              Subsidiary pursuant to subclause 31.a and filed Articles of
              Amendment in respect thereof;

       (vi)   a certificate of the Purchaser confirming that the representations
              and warranties of the Purchaser as set forth in clause 17, are
              true and correct as of the Closing;

       (vii)  a certificate of the Purchaser confirming that the conditions
              precedent set forth in clause 13.a have been waived or to the
              Purchaser's knowledge waived by the Purchaser;
<PAGE>   34
                                       31



       (viii) a copy of the notice provided by the Purchaser to the Director of
              Investigation and Research as contemplated by the Competition Act
              (Canada) together with a certificate from the Director of
              Investigation and Research as contemplated in accordance with
              section 102 of the Competition Act (Canada) or in the alternative
              a copy of the ruling of the Director of Investigation and Research
              permitting the consummation of the transactions herein;

       (ix)   an opinion of the solicitors for the Purchaser addressed to the
              Vendor and to the solicitors for the Vendor in substantially the
              form of Schedule "15.a.(ix)";

       (x)    with respect to the Purchaser's purchase of the Shares and the
              deemed purchase described herein, the Forms and an executed Notice
              Letter, which Forms and Notice Letter shall have been completed by
              the Vendor and the Purchaser on or prior to the Closing in
              accordance with the Parties' agreement and covenants under this
              Agreement and shall have been duly executed by an authorized
              person of the Purchaser at the Closing; and

       (xi)   any and all other documents which are required to be delivered by
              the Purchaser to the Vendor pursuant hereto.

b.     All deliveries of the Purchaser shall, except as otherwise stated, be in
       a form acceptable to each of the Vendor and the Purchaser and their
       respective solicitors, acting reasonably.

16.           VENDOR'S REPRESENTATIONS AND WARRANTIES

              The Vendor represents and warrants to and with the Purchaser on
the Execution Date that:

Assets

a.     each of the Corporation and the Subsidiary is a corporation duly
       organized and validly existing under the laws of the jurisdiction of its
       organization and duly qualified under the laws of those jurisdictions in
       which it is required to be qualified in order to own the Assets;

b.     the execution and delivery of this Agreement, the consummation of the
       transactions contemplated hereby and the fulfillment of and compliance
       with the terms and provisions hereof, do not and will not:

       (i)    result in the breach of or violate any term or provision of the
              Vendor's, the Corporation's or the Subsidiary's articles, by-laws
              or other constating documents;
<PAGE>   35
                                       32



       (ii)   conflict with, result in a breach of, constitute a default under,
              or prohibit the performance required by, any agreement,
              instrument, license, permit or authority to which the Vendor, the
              Corporation or the Subsidiary is a party or by which the Vendor,
              the Corporation or the Subsidiary is bound or to which any
              property of the Vendor, the Corporation or the Subsidiary is
              subject or result in the creation of any lien, charge or
              encumbrance upon the Assets or the Shares under any such
              agreement, instrument, license, permit or authority; or

       (iii)  violate any judgment, decree, order, statute or regulation
              applicable to the Vendor, the Corporation, the Subsidiary, the
              Assets or the Shares;

c.     this Agreement has been duly executed and delivered by the Vendor and the
       endorsement of the certificates for the Shares or a written instrument of
       transfer relating thereto and all documents executed or delivered by the
       Vendor, the Corporation or the Subsidiary pursuant hereto to be executed
       and delivered by the Vendor, the Corporation or the Subsidiary to the
       Purchaser on the Closing Date or thereafter shall be duly executed and
       delivered by the Vendor, the Corporation and the Subsidiary and this
       Agreement does, and such documents will, constitute legal and valid
       binding obligations of the Vendor, the Corporation and the Subsidiary
       enforceable against the Vendor, the Corporation and the Subsidiary in
       accordance with their respective terms;

d.     the Vendor has not incurred any obligation or liability, contingent or
       otherwise, for brokerage fees, finder's fees, agent's commission or other
       similar forms of compensation with respect to this transaction for which
       the Purchaser, the Corporation or the Subsidiary shall have any
       obligation or liability whatsoever;

e.     the Assets are free and clear of all liens, adverse claims, charges and
       encumbrances created by, through or under the Vendor, the Corporation or
       the Subsidiary;

f.     except as set forth in Schedule "16.f", the Vendor, the Corporation and
       the Subsidiary have not entered into any, and to the knowledge of the
       Vendor, the Corporation and the Subsidiary there are no, agreements or
       arrangements (commonly known as a gas balancing, swaps, over-production
       or underlift-overlift agreements or arrangements) which are among two or
       more persons owning interests in a portion of the Lands or lands pooled
       or unitized therewith, nor to the knowledge of the Vendor, the
       Corporation and the Subsidiary has there been any circumstance or case
       whereby one of such persons has taken, or may hereafter take, a share of
       the production of Petroleum Substances from such lands greater than it
       would otherwise be entitled to by virtue of its interest in such Lands
       and which excess taking entitles the other persons to a credit in respect
       of subsequent production from such lands by which the Vendor, the
       Corporation or the Subsidiary is bound and which pertain to any of the
       Assets;

g.     there are no royalties, production payments, penalties, liens, charges or
       encumbrances in favour of, nor are the Assets subject to reduction by
       virtue of the 


<PAGE>   36
                                       33



       conversion or other alteration of the interest of, any third party
       claiming by, through or under the Vendor, the Corporation or the
       Subsidiary;

h.     to the knowledge of the Vendor, the Corporation and the Subsidiary, the
       Vendor, the Corporation and the Subsidiary as at the Execution Date have
       not received nor delivered any written notices of violation or alleged
       violation of any provisions of any material agreement, statute, rule,
       regulation, order, judgment, declaration or by-law in respect of the
       Assets, except as set forth in Schedule "16.i";

i.     to the knowledge of the Vendor, the Corporation and the Subsidiary, the
       Vendor, the Corporation and the Subsidiary have performed, observed and
       satisfied all of their material duties, liabilities, obligations and
       covenants required as at the Execution Date to be satisfied, performed
       and observed by them under, and is not in default under or in breach of,
       the terms of any material statute, rule, regulation, order, judgment,
       declaration, by-law or Title and Operating Documents, except as set forth
       in Schedule "16.i";

j.     subject to the rents, covenants, conditions and stipulations in the Title
       and Operating Documents, the Corporation or the Subsidiary may enter into
       and upon, hold and enjoy the Assets for the residue of their respective
       terms and all renewals or extensions thereof for the Corporation's or the
       Subsidiary's own use and benefit, without any lawful interruption of or
       by the Vendor, or any person claiming or able to claim by, through or
       under the Vendor, the Corporation or the Subsidiary;

k.     to the knowledge of the Vendor, the Corporation and the Subsidiary, the
       Vendor, the Corporation and the Subsidiary as at the Execution Date have
       received no written notices and to the knowledge of the Vendor, the
       Corporation and the Subsidiary as at the Execution Date the lessee to
       whom notices are required to be sent has not received any notices that
       any of the Leases are subject to any accrued drilling or off-set
       obligations which have not been satisfied or permanently waived;

l.     except as set forth in Schedule "16.l", as at the Execution Date there
       are no claims, actions, suits or proceedings commenced, or to the
       Vendor's, the Corporation's or the Subsidiary's knowledge, affecting any
       of them at law or in equity or before or by any federal, provincial or
       other governmental department, commission, board, bureau, agency or
       instrumentality, domestic or foreign and which might adversely affect the
       Assets or interests therein;

m.     the Assets are not affected by any Take or Pay Obligations;

n.     except for the Production Sales Agreements and contracts for the sale of
       Petroleum Substances which may be cancelled on notice of not more than 61
       days, as at the Execution Date there are no contracts for the sale of
       Petroleum Substances to which the Vendor, the Corporation, the Subsidiary
       or any person acting on any of their behalf is a party or is bound
       applicable to the production of Petroleum Substances from the Lands or
       lands pooled or unitized therewith, nor have the Lands or lands pooled or
       unitized therewith been dedicated by the Vendor, the 
<PAGE>   37
                                       34



       Corporation or the Subsidiary to any other production sale contract or
       similar arrangement;

o.     all Title and Operating Documents in the Vendor's, the Corporation's or
       the Subsidiary's possession will have been made available promptly after
       the Execution Date and through Closing to the Purchaser or its
       solicitors;

p.     no person, firm or corporation has any Right of First Refusal to acquire
       any interest in any Assets by virtue of or arising from this Agreement
       and the sale and transfer of the Shares to the Purchaser;

q.     the Vendor, the Corporation and the Subsidiary have paid or has caused to
       be paid within applicable time limits:

       (i)    all relevant deposits, rentals and royalties (other than the
              payment of the royalties referenced in Schedule "16.l" and the
              royalties payable to the Crown) in respect to the Assets accruing
              prior to the Adjustment Time for which they are directly obligated
              to pay;

       (ii)   all relevant royalties payable to the Crown in respect to the
              Assets accruing prior to the Adjustment Time for which they are
              directly obligated to pay;

r.     except as set forth in Schedule "16.r", as at the Adjustment Time there
       are no authorizations for expenditure or similar approvals approved by
       the Vendor, the Corporation or the Subsidiary with respect to the Assets
       for amounts in which the Corporation's or the Subsidiary's expenditure is
       in excess of $100,000 for which the Vendor, the Corporation and the
       Subsidiary have not been completely billed as at the Adjustment Time and
       there are no outstanding cash calls with respect to the Assets for
       amounts in which the Corporation's or the Subsidiary's expenditure is
       excess of $100,000;

s.     to the knowledge of the Vendor, the Corporation and the Subsidiary,
       Schedule "1.ch" is a list of all Wells on the Lands (other than Wells on
       lands pooled or unitized therewith which are not operated by the
       Corporation or the Subsidiary) which as of the Adjustment Time are
       non-producing and in respect of which reclamation certificates have not
       been issued;

t.     to the knowledge of the Vendor, the Corporation and the Subsidiary, as at
       the Execution Date the Vendor, the Corporation and the Subsidiary have
       not received notice of any violation of or investigation relating to any
       federal, provincial or local environmental or pollution law, regulation
       or ordinance with respect to the Assets and, have all permits, licenses
       and other authorizations which are required under federal, provincial and
       local laws with respect to pollution or protection of the environment
       relating to the Assets. To the knowledge of the Vendor, the Corporation
       and the Subsidiary, as at the Execution Date all of the Assets operated
       and maintained by the Corporation or the Subsidiary are in compliance
       with all terms and conditions of such laws, permits, licenses and
       authorizations in all material
<PAGE>   38
                                       35



       respects, and are also in compliance with all other limitations,
       restrictions, conditions, standards, prohibitions, requirements,
       obligations, schedules and timetables contained in such laws or contained
       in any regulation, code, plan, order, decree, judgement, notice or demand
       letter issued, entered, promulgated or approved thereunder relating to
       the Assets in all material respects;

u.     to the knowledge of the Vendor, the Corporation and the Subsidiary, the
       Lands, the Wells and the Major Facilities operated and maintained by the
       Corporation or the Subsidiary on the Execution Date are being operated
       and maintained in accordance with generally accepted oil, gas and
       industry practices, applicable statutes, regulations, laws, orders and
       lawful directives and the terms and conditions of all agreements relating
       thereto;

v.     to the knowledge of the Vendor, the Corporation and the Subsidiary, none
       of the Wells have been produced in excess of applicable production
       allowables imposed by statute or regulation since the Vendor, the
       Corporation or the Subsidiary acquired interests in the Assets and on or
       before the Execution Date and to the knowledge of the Vendor, the
       Corporation and the Subsidiary the Wells as at the Execution Date are not
       subject to any production penalty;

w.     to the knowledge of the Vendor, the Corporation and the Subsidiary, there
       is no impending change in statutorily imposed or sanctioned production
       allowables as at the Execution Date which are currently applicable to any
       of the Wells other than changes generally applicable in the province in
       which the Well is located;


Shares

x.     the Vendor is a corporation duly organized and validly existing under the
       laws of the jurisdiction of organization and duly qualified under the
       laws of those jurisdictions in which it is required to be qualified in
       order to own the Shares;

y.     the Vendor has all requisite power and authority to enter into this
       Agreement and to perform its obligations under this Agreement and in its
       capacity as the sole shareholder of the Corporation has authorized and
       taken all corporate action necessary to authorize the execution, delivery
       and performance of this Agreement and the sale of the Shares in
       accordance with this Agreement;

z.     the 26,694 common shares in the capital stock of the Corporation
       registered in the name of the Vendor are owned beneficially by the
       Vendor, represent all of the issued shares in the capital stock of the
       Corporation, are validly issued, are outstanding as fully paid and
       non-assessable and the Vendor has good and marketable title thereto,
       subject to the by-laws and articles of the Corporation;

aa.    subject to the by-laws and articles of the Corporation, the Shares
       beneficially owned by the Vendor are free of any liens, pledges, voting
       trusts, proxies, adverse claims or other encumbrances of any kind;
<PAGE>   39
                                       36



ab.    the capital stock of the Corporation consists of an unlimited number of
       common shares, of which the only issued shares are the 26,694 common
       shares;

ac.    except pursuant to this Agreement, no person, firm or corporation will
       have any agreement or option or any right or privilege (whether by law,
       pre-emptive right, by contract or otherwise) capable of becoming an
       agreement or option for the purchase from the Vendor of any of the shares
       of the Corporation registered in the name of the Vendor, or for the
       purchase, subscription, allotment or issuance from the Corporation of any
       of the unissued shares in the capital stock of the Corporation or of any
       securities of the Corporation;

ad.    the issued shares in the capital stock of each of the Subsidiary,
       Caribbean Capital and Mincap registered in the name of the Corporation
       and the issued shares in the capital stock of Mineral Finance registered
       in the name of Mincap are owned beneficially by the Corporation and
       Mincap, respectively, represent all of the issued shares in the capital
       stock of each of the Subsidiary and the Finance Subsidiaries, are validly
       issued, are outstanding as fully paid and non- assessable and the
       Corporation and Mincap, respectively, has good and marketable title
       thereto, subject to the by-laws and articles of the Subsidiary and the
       Finance Subsidiaries;

ae.    subject to the by-laws and articles of the Subsidiary and the Finance
       Subsidiaries, the issued shares in the capital stock of the Subsidiary
       and the Finance Subsidiaries, beneficially owned by the Corporation and
       Mincap are free of any liens, pledges, voting trusts, proxies, adverse
       claims or other encumbrances of any kind;

af.    no person, firm or corporation will have any agreement or option or any
       right or privilege (whether by law, pre-emptive right, by contract or
       otherwise) capable of becoming an agreement or option for the purchase
       from the Corporation or Mincap of any of the shares of any of the
       Subsidiary or the Finance Subsidiaries, registered in the name of the
       Corporation or Mincap, or for the purchase, subscription, allotment or
       issuance from any of the Subsidiary or the Finance Subsidiaries, or of
       any of the unissued shares in the capital of any of the Subsidiary or the
       Finance Subsidiaries;

ag.    since December 31, 1995 neither the Corporation nor the Subsidiary has:

       (i)    declared, authorized, paid or made any dividend or other
              distribution to any shareholder of the Corporation which would
              have effect after December 31, 1995, other than as permitted
              pursuant to subclauses 7.a and 7.c;


       (ii)   paid or agreed to pay any corporate management fee other than (A)
              management fees paid or agreed to be paid by the Subsidiary to the
              Corporation, or (B) as disclosed in the Financial Statements, or
              (C) in the ordinary course of business and in accordance with past
              practice;

       (iii)  in the aggregate and taken as the whole, suffered any material
              adverse change, financial or otherwise, in its business, financial
              condition, assets, 
<PAGE>   40
                                       37



              properties, liabilities, operations or any occurrences or
              circumstances which have resulted or might reasonably be expected
              to result in a material adverse change to the Corporation and the
              Subsidiary; or

       (iv)   granted and will not grant any power of attorney;

ah.    each of the Corporation and the Subsidiary has all requisite corporate
       power and authority to carry on its business as conducted as of the
       Execution Date;

ai.    the books of account and other records of each of the Corporation and the
       Subsidiary have been maintained in accordance with prudent business
       practices;

aj.    other than as set forth in the Financial Statements and all liabilities
       for which the Purchaser has indemnified the Vendor pursuant to clause 23,
       each of the Corporation, the Subsidiary and the Finance Subsidiaries as
       of the Adjustment Time has no material liabilities or obligations of any
       kind or manner (which in accordance with U.S. generally accepted
       accounting principles would be disclosed in audited financial
       statements), whether direct, accrued, contingent or otherwise;

ak.    the Financial Statements fairly present the consolidated financial
       condition of the business of the Corporation and the Subsidiary as at the
       date thereof and the results of the consolidated operations of the
       business of the Corporation and the Subsidiary for the period ending
       December 31, 1995 and the Financial Statements have been prepared in
       accordance with U.S. generally accepted accounting principles, applied on
       a consistent basis, except as otherwise noted therein;

al.    the Corporation has duly filed all Tax returns required to be filed for
       periods ending on or before the Adjustment Time; the Corporation has made
       full disclosure in such returns and in all materials accompanying such
       returns; except for Taxes payable in the Financial Statements and Taxes
       being contested in good faith by the Corporation, the Corporation for
       periods ending on or before the Adjustment Time has paid all Taxes due
       and payable, all Tax assessments and reassessments and any penalties,
       interest, fines, governmental charges and other amounts which the
       relevant authority is entitled to collect from the Corporation; in all
       cases except as previously disclosed to the Purchaser in the Data Room or
       Schedule "16.al" or as otherwise disclosed to the Purchaser in writing
       prior to the Execution Date;

am.    there are no actions, suits, proceedings or claims pending or to the
       knowledge of the Vendor, the Corporation and the Subsidiary threatened
       with respect to or in any manner challenging the Shares, the ownership
       thereof or the exercise of any rights which are derived or attached
       thereto;

an.    neither the Corporation or the Subsidiary is a party to:

       (i)    any written employment or collective bargaining agreement, except
              as previously disclosed to the Purchaser in the Confidential
              Memorandum, the Data Room or in Schedule 16.an.(i);
<PAGE>   41
                                       38



       (ii)   any incentive, health, life insurance, disability, severance or
              other similar plan, policy or arrangement applicable to persons
              employed in, or in connection with, the Corporation's business,
              except as previously disclosed to the Purchaser in the
              Confidential Memorandum, the Data Room or in Schedule 16.an.(i);
              or

       (iii)  any pension, retirement, profit sharing, deferred compensation,
              stock or cash bonus, stock option or purchase, or other similar
              plan or arrangement applicable to persons employed in, or in
              connection with, the Corporation's or the Subsidiary's business,
              except as previously disclosed to the Purchaser in the
              Confidential Memorandum, the Data Room or in Schedule
              "16.an.(iii)";

ao.    each of the Corporation and the Subsidiary is a taxable Canadian
       corporation within the meaning of the Act;

ap.    at the Closing, the minute book and share ledger of each of the
       Corporation and the Subsidiary will be true and correct in all material
       respects and the respective minute books shall contain copies of all
       material meetings of the directors and shareholders of the Corporation
       and the Subsidiary and all material resolutions by consent (if any) of
       the said directors and shareholders;

aq.    neither the Corporation nor the Subsidiary is a party to any contract or
       agreement to merge or consolidate with any other corporation, to acquire
       substantially all of the assets or shares of any other corporation, or to
       sell all or any material part of its assets other than (A) farmouts and
       dispositions of assets from the Corporation to the Subsidiary, and (B) a
       disposition, if any, of the Heavy Oil Assets and/or the Tar Sands Assets
       as permitted pursuant to subclause 8.a, (C) any option contemplated by
       subclauses 8.c, 8.d, 8.g and 8.h and (D) any disposition contemplated by
       subclause 18.f;

ar.    neither the Corporation or the Subsidiary has any bank accounts, time
       deposits, or safety deposit boxes except as set forth in Schedule "16.ar"
       hereto;

as.    the Corporation, the Subsidiary and the Finance Subsidiaries do not carry
       on, and have not carried on, for United States income tax purposes, any
       trade or business in the United States;

at.    the Subsidiary, Caribbean Capital and Mineral Finance have no
       subsidiaries, the Corporation has no subsidiaries (other than the
       Subsidiary, Caribbean Capital and Mincap), Mincap has no subsidiaries
       (other than Mineral Finance) and neither the Corporation, the Subsidiary
       or the Finance Subsidiaries has any agreements of any nature to acquire
       any subsidiary, or to acquire or lease any other business operations out
       of the ordinary course of business; and

au.    except as previously disclosed to the Purchaser in the Data Room or in
       Schedule "16.al", the Corporation has withheld from each payment made by
       it the amount of all Taxes, assessments, levies and other deductions
       required by law to be 
<PAGE>   42
                                       39



       withheld and collected and has paid all such amounts due and payable to
       the proper taxing or other authority within the time prescribed under
       applicable legislation.

Each of the foregoing representations and warranties shall be qualified as at
the Execution Date and as of the Closing, as applicable, by excepting therefrom
Permitted Encumbrances, Permitted Environmental Defects and the changes in
circumstances permitted or contemplated pursuant to clause 18. Except as
specifically provided in this clause, the Vendor does not warrant title to the
Assets, nor does the Vendor make any representation or warranty to the
Purchaser.  Except as specifically provided in this clause, the Assets on
Closing will be possessed by the Corporation or the Subsidiary, as the case may
be, on an "as is, where is" basis, and on the occurrence of Closing the
Purchaser shall be deemed to have acknowledged that it has had an opportunity
to inspect and review the Assets and all books, records, accounts, documents
and information of the Vendor, the Corporation, the Subsidiary and the Finance
Subsidiaries which are made available to the Purchaser pertaining to the
Assets, the Corporation, the Subsidiary and the Finance Subsidiaries and is
relying solely upon its own counsel and due diligence of the Assets and such
corporations. For greater certainty, the Vendor makes no warranty, express or
implied in fact or by law, with respect to:

       A.     merchantability, fitness for any particular purpose or condition
              of the Assets;

       B.     the quality, quantity or recoverability of the Petroleum
              Substances within, upon or under the Lands or any lands pooled or
              unitized therewith;

       C.     the value of the Assets or the future revenues applicable thereto;

       D.     any engineering, geological information or interpretations
              thereof, or any economic evaluations respecting the Assets;

       E.     the quality, condition, merchantability or serviceability of all
              or any of the Assets or their suitability for any particular
              purpose;

       F.     the Burnet, Duckworth & Palmer opinion regarding title to the
              Reviewed Assets;

       G.     the Environmental Report, the Title and Operating Documents, the
              Technical Information and books, accounts, records, minute books,
              Tax returns and filings and other information and documents of
              each of the Corporation, the Subsidiary and the Finance
              Subsidiaries contained in the Data Room; or

       H.     the Confidential Memorandum or any other data or information
              supplied by the Vendor, the Corporation, the Subsidiary, the
              Finance Subsidiaries, Goldman, Sachs & Co., ScotiaMcLeod Inc. or
              their agents to the Purchaser or its agents in connection
              herewith.

The Vendor expressly negates and disclaims, and shall not be liable for, any
representation or warranty which may have been made or alleged to be made in
any other document or 
<PAGE>   43
                                       40



instrument in connection herewith or in any statement or information made or
communicated to the Purchaser in any manner (including without limitation
engineering reports and any opinion, information or advice which may have been
provided by the Vendor, the Corporation, the Finance Subsidiaries, Goldman,
Sachs & Co., ScotiaMcLeod Inc. or any officer, employee, agent, solicitor,
accountant, consultant or representative of the Corporation, the Subsidiary, the
Finance Subsidiaries, Goldman, Sachs & Co. or ScotiaMcLeod Inc.).

The representations and warranties of the Vendor in this clause 16 shall
survive the Closing and not be merged in any conveyances or other documents
provided pursuant to this Agreement, provided that no claim may be made against
the Vendor, its successors or assigns, pursuant to or based in any way upon any
of these representations and warranties or any indemnity in respect thereof
unless written notice thereof with reasonable particulars shall have been
provided by the Purchaser to the Vendor within the Survival Period relating
thereto.

17.           PURCHASER'S REPRESENTATIONS AND WARRANTIES

              The Purchaser represents and warrants to and with the Vendor on
the Execution Date that:

a.     the Purchaser is duly organized and validly existing under the laws of
       its jurisdiction of its organization and duly qualified under the laws of
       those jurisdictions in which it is required to be qualified in order to
       own the Shares;

b.     the Purchaser has all requisite power and authority to enter into this
       Agreement and to perform its obligations under this Agreement and has
       authorized and taken all corporate action necessary to authorize the
       execution, delivery and performance of this Agreement and the purchase of
       the Shares in accordance with this Agreement;

c.     this Agreement has been duly executed and delivered by the Purchaser and
       all documents executed or delivered by the Purchaser pursuant hereto to
       be executed and delivered by the Purchaser to the Vendor, the Corporation
       or the Subsidiary on the Closing Date or thereafter shall be duly
       executed and delivered by the Purchaser and this Agreement does, and such
       documents will, constitute legal and valid binding obligations of the
       Purchaser enforceable against the Purchaser in accordance with their
       respective terms;

d.     the Purchaser has not incurred any obligation or liability, contingent or
       otherwise, for brokerage fees, finder's fees, agent's commission or other
       similar forms of compensation with respect to this transaction for which
       the Vendor shall have any obligation or liability whatsoever;

e.     the Purchaser will comply with the Investment Canada Act, the Competition
       Act (Canada) and the Hart Scott Rodino Antitrust Improvement Act (United
       States) to the extent, if any, applicable to the transaction herein;

f.     the Purchaser is acquiring the Shares as principal;
<PAGE>   44
                                       41



g.     the Purchaser has the financial resources in place and available to it to
       enable it to pay the Adjusted Purchase Price at the Closing on the
       Closing Date in accordance with and on the basis contemplated by this
       Agreement;

h.     there are no necessary regulatory approvals or rulings required to be
       obtained by the Purchaser to permit the transaction to be completed
       except approvals and rulings, if any, under the Investment Canada Act,
       the Competition Act (Canada) and the Hart Scott Rodino Antitrust
       Improvements Act (United States) and the approvals and rulings set forth
       in Schedule "17.h";

i.     the execution and delivery of this Agreement, consummation of the
       transactions contemplated hereby and the fulfillment of and compliance
       with the terms and provisions hereof do not and will not be in conflict
       with, result in a breach of, constitute a default under, or prohibit the
       performance required by any agreement, instrument, license, permit or
       authority to which it is a party or by which it is bound or to which any
       property of the Purchaser is subject or result in the creation of any
       lien, claim or encumbrance under any such agreement, instrument, license,
       permit or authority or violate any judgment, decree, order, statute, rule
       or regulation applicable to the Purchaser;

j.     the Purchaser is a corporation, duly organized and qualified to do
       business under the laws of Canada;

k.     the Purchaser will acquire on its own behalf 100 percent of the
       outstanding Shares of the Corporation on the Closing Date for cash
       payable on or after the Closing Date;

l.     neither the Purchaser nor any of its Affiliates presently owns any stock
       of the Vendor or any of its Affiliates including the Corporation, and
       neither Purchaser nor any of its Affiliates has any present intention to
       acquire any such stock except as described in subclause 17.k;

m.     there is no present plan or intention for the Purchaser to cease to
       remain in existence; and

n.     neither the Purchaser nor any of its Affiliates has acquired within the
       last three years, and prior to the Closing Date will not acquire, any
       assets of the Vendor, the Corporation, or any other subsidiary of the
       Vendor or the Corporation, other than in the ordinary course of business.

The representations and warranties of the Purchaser in this clause 17 shall
survive the Closing and not be merged in any conveyances or other documents
provided pursuant to this Agreement, provided that no claim may be made against
the Purchaser, its successors or assigns, pursuant to or based in any way upon
any of these representations and warranties or any indemnity in respect thereof
unless written notice thereof with reasonable particulars shall have been
provided by the Vendor to the Purchaser within the Survival Period relating
thereto.
<PAGE>   45
                                       42



18.           COVENANTS OF VENDOR

a.     Until the Closing Date, to the extent that its interest permits:

       (i)    the Vendor shall maintain and cause the Corporation and the
              Subsidiary to maintain the Assets in accordance with generally
              accepted oil, gas and engineering practices;

       (ii)   the Vendor shall pay or cause to be paid by the Corporation and
              the Subsidiary all costs and expenses relating to the Assets;

       (iii)  the Vendor, the Corporation and the Subsidiary other than in the
              ordinary course of business shall not farmout, surrender, abandon
              or permit to expire or otherwise dispose of any of the Assets
              (save and except A. a disposition of any of the Assets for
              proceeds less than $250,000 for any single item or related series
              of items; B. dispositions of any of the Assets for proceeds in the
              aggregate less than $2,000,000; C. a disposition of the Heavy Oil
              Assets; D. a disposition of the Tar Sands Assets; and E. farmouts
              and dispositions of assets from the Corporation to the Subsidiary)
              without the prior consent of the Purchaser, which consent shall
              not be unreasonably withheld or delayed;

       (iv)   other than in the ordinary course of business or as otherwise
              contemplated herein, the Vendor shall not amend or terminate or
              permit the Corporation or the Subsidiary to amend or terminate any
              agreement or instrument relating to the Assets or enter into or
              permit the Corporation or the Subsidiary to enter into any new
              agreement or commitment relating to the Assets without the prior
              consent of the Purchaser, which consent shall not be unreasonably
              withheld or delayed;

       (v)    the Vendor shall perform and comply and cause the Corporation and
              the Subsidiary to perform and comply with all material covenants
              and conditions contained in the Title and Operating Documents;

       (vi)   the Vendor shall cause the Corporation or the Subsidiary, as the
              case may be, to use all reasonable efforts to have any other
              operator to operate and maintain those Assets of which the
              Corporation or the Subsidiary is not operator in a proper and
              prudent manner in accordance with generally accepted oil, gas and
              engineering practices;

       (vii)  the Vendor shall cause the Corporation and the Subsidiary, as the
              case may be, to claim maximum Canadian Oil and Gas Property
              Expenses and Canadian Development Expenses pursuant to the Act for
              the 1995 tax year;

       (viii) the Vendor shall cause the Subsidiary to elect prior to the
              Closing Date with effect prior to the Closing pursuant to
              subsections 66 (10.2) and (10.3) of the Act so that the aggregate
              amount renounced with respect
<PAGE>   46
                                       43



              to the 1995 taxation year in respect of Canadian Oil and Gas
              Property Expenses and with respect to the 1996 taxation year in
              respect of Canadian Development Expenses will be equal to the
              proceeds of disposition to the Corporation of the Canadian
              resource properties transferred to the Subsidiary by the
              Corporation in 1995; and

       (ix)   the Vendor shall cause the Subsidiary and the Corporation to
              obtain the approval of the Purchaser prior to filing any Tax
              returns or elections relating to the period after the Adjustment
              Time.

b.     Until the Closing:

       (i)    subject to the provisions of subclause 18.a, the Vendor shall not
              permit the Corporation or the Subsidiary to enter into any
              obligations or commitments out of the ordinary course of business
              with respect to the Assets, which is in excess of $500,000.00 for
              any single item or related series of items without the prior
              consent of the Purchaser, which consent shall not be unreasonably
              withheld or delayed, except as may be reasonably necessary to
              protect, ensure life and safety or to preserve the Assets or title
              to the Assets;

       (ii)   subject to the provisions of subclause 18.a, the Vendor shall not
              permit the Corporation or the Subsidiary to propose or initiate
              the exercise of any right (including bidding rights at Crown
              sales) or option relative to or arising as a result of the
              ownership of the Assets, or propose or initiate any operations on
              the Lands which have not been commenced or committed to by the
              Vendor, the Corporation or the Subsidiary on the Execution Date
              which is in excess of $500,000.00 for any single item or related
              series of items, without the prior written consent of the
              Purchaser, which consent shall not be unreasonably withheld or
              delayed, except that the Vendor may permit the Corporation or the
              Subsidiary to propose or initiate any operations on the Lands for,
              and propose or initiate the exercise of any right or option
              relative to, the preservation of any of the Leases or Assets; and

       (iii)  without the written consent of the Vendor, the Purchaser shall
              not, and shall not be entitled to, propose to the Vendor, the
              Corporation or the Subsidiary or to cause the Corporation or the
              Subsidiary to propose to others, the conduct of any operations on
              the Lands or the exercise of any right or option relative to the
              Assets except pursuant to this subclause.

c.     If the Vendor, the Corporation or the Subsidiary receive notice of
       operations (including casing-point and abandonment elections and the
       exercise of options to drill wells or conduct exploration or development
       operations under farmout and similar agreements) on the Lands or the
       exercise of any right (including rights of first refusal and rights under
       area of mutual interest provisions) or any option relating to the Assets
       which is in excess of $500,000.00 for any single item or related series
       of items (each such operation or exercise of a right or option being
<PAGE>   47
                                       44



       referred to as a "Proposal") from a third party then, in a timely manner,
       the Vendor shall give notice, including full particulars of the Proposal,
       to the Purchaser and, as soon as is practical, the Vendor shall give the
       Purchaser notice of whether or not the Corporation or the Subsidiary
       elects to participate in such Proposal. The notice to the Purchaser shall
       contain the length of any period during which the Corporation or the
       Subsidiary is required to respond to any notice received by it in
       accordance with the applicable operating agreement, at the end of which
       period the Corporation or the Subsidiary is deemed to have made an
       election or give its consent in respect of any notice received by it.

       If the Purchaser and the Vendor disagree on the response to the Proposal,
       a meeting shall be convened immediately to discuss the differences. If
       consensus is not reached at that meeting, the Vendor will have the
       unilateral right to decide the response.

       Notwithstanding the foregoing provisions, if the Purchaser elects to
       acquire an interest as a result of an exercise of a right of first
       refusal held by the Corporation or the Subsidiary, and the Corporation or
       the Subsidiary wishes to elect not to acquire the interest then:

       (i)    the Vendor shall cause the Corporation or the Subsidiary to
              formally respond to exercise the right as set out in the notice of
              the right of first refusal;

       (ii)   the Purchaser shall be responsible for all costs of acquiring the
              property subject to the right of first refusal; and

       (iii)  if the transaction contemplated by this Agreement does not close,
              the Purchaser shall continue to be responsible for the property
              acquired under the right of first refusal and the Corporation and
              the Subsidiary will make all reasonable attempts to have the
              Purchaser's interest in that property recognized by the other
              working interest owners in that property.

d.     Until the Closing:

       (i)    the Vendor shall not permit the Corporation or the Subsidiary to
              increase the rate or form of compensation payable to any employee
              of the Corporation or the Subsidiary or increase any employee
              benefits, except increases in compensation and benefit changes
              agreed to prior to the Execution Date or as required by law;

       (ii)   the Vendor shall not permit the Corporation or the Subsidiary to
              amend the articles or by-laws of the Corporation or the
              Subsidiary;

       (iii)  the Vendor shall not permit the Corporation to declare any
              dividends or, make any distributions on the Shares or purchase any
              Shares, other than as permitted pursuant to subclause 7.c;
<PAGE>   48
                                       45



       (iv)   the Vendor shall not permit the Corporation or the Subsidiary to
              issue any shares or other securities of the Corporation or the
              Subsidiary or grant any options, warrants, calls, rights to issue
              additional shares or securities of the Corporation or the
              Subsidiary or agree to do so;

       (v)    the Vendor shall not permit the Corporation or the Subsidiary to
              hire any senior employees (other than temporary employees) or fire
              any senior employees serving the Corporation or the Subsidiary;
              and

       (vi)   the Vendor shall maintain and cause the Corporation and the
              Subsidiary to maintain for the benefit of the Corporation and the
              Subsidiary the insurance set forth in Schedule "18.d.(vi)" in
              respect of loss or damage to the Assets and the income therefrom.
              If any destruction or damage on a replacement cost basis in excess
              of $1,000,000 occurs at or before the Closing Date, the Vendor
              shall forthwith give notice thereof to the Purchaser. The Vendor
              shall in a timely manner prepare and file or cause to be prepared
              and filed with its insurers all proof of loss and claims forms.
              Where any destruction or damage to the Assets occurs prior to the
              Closing Date, the Purchaser shall nevertheless complete the
              purchase without reduction of the Purchase Price, provided that on
              the Closing Date all insurance proceeds are or have been assigned
              and/or made payable to the Corporation or the Subsidiary. At the
              Closing the Purchaser, the Vendor, the Corporation and the
              Subsidiary shall cause the insurance set forth in Schedule
              "18.d.(vi)" in respect of loss or damage to the Assets and the
              income therefrom to be terminated and cancelled. After the
              Closing, the Purchaser shall maintain and cause the Corporation
              and the Subsidiary to maintain insurance as the Purchaser deems
              appropriate.

e.     The Vendor will reasonably cooperate with and assist the Purchaser for a
       period of six months following the Closing in order to facilitate and
       complete the transfer and integration of all computerized data and
       information which forms part of the Assets from the Vendor's centralized
       computer system to the Purchaser's computer system.

f.     Prior to the Closing, the Vendor will without liability therefor at the
       written request of the Purchaser:

       (i)    cause the Corporation to incorporate, under the laws of Canada, a
              wholly-owned subsidiary of the Corporation ("Newco"); and

       (ii)   cause the Corporation and the Subsidiary to transfer and convey to
              Newco in consideration for common shares of Newco on a tax
              deferred basis all of the assets used in the midstream business as
              now carried on by the Corporation and the Subsidiary. Such assets
              will include the gas processing plants and other property
              identified by the Purchaser in its written request. The conveyance
              agreements are to be in a form acceptable to the Purchaser,
              including a covenant to file a joint election
<PAGE>   49
                                       46



              pursuant to Section 85 of the Act and provisions dealing with the
              transfer of all employees, goodwill and other assets relating to
              the midstream business; provided that notwithstanding any other
              provision of this Agreement or any document delivered pursuant
              hereto, the Purchaser will hold harmless and indemnify the Vendor
              with respect to any liabilities of the Vendor in connection with
              the transactions described in this subclause 18.f. The Corporation
              and the Vendor will use their reasonable efforts to identify any
              matters which would give rise to any liability of the Purchaser to
              the Vendor in connection with the transaction described in this
              subclause 18.f, prior to the completion of such transaction.

19.           CONSENTS

              Prior to and after Closing, the Parties hereto shall use all
reasonable efforts to obtain and deliver to the other Party all necessary
consents (other than consents which may not be unreasonably withheld),
permissions and approvals of third parties and governmental and regulatory
authorities in connection with the transaction contemplated herein.

20.           TERMINATION

              In the event that this Agreement is terminated in accordance with
its terms:

a.     each Party shall be released from all obligations hereunder;

b.     each Party shall take all reasonable action to return the other Party to
       the position relative to the Assets and the Shares which such Party
       occupied prior to the execution hereof; and

c.     each Party will each bear all costs incurred by it prior to such
       termination.

21.           SECTION 338 ELECTION

              Within 30 days after Closing, the Purchaser shall file with the
Internal Revenue Service (Office of Assistant Commissioner International,
Attention: Chief of Examination, 950 L'Enfant Plaza South, S.W., Washington,
D.C. 20024) IRS Forms 8023-A, making the Section 338 Election with respect to
the Purchaser's purchase of the Shares and the deemed purchase under Section
338(h) (3) (B) of the Code of the shares of the Subsidiary and of the Finance
Subsidiaries and of any other 80 percent or more direct or indirect subsidiary
of the Corporation. Within 15 days of such filing, the Purchaser shall deliver
to the Vendor a copy of such Forms evidencing such filing. The Purchaser or any
Affiliate thereof, shall take no action to revoke the Section 338 Election.

22.           INFORMATION, MATERIALS AND CONTINUING REPORTS

a.     At the Closing, the Corporation shall transfer, assign and convey unto
       the Vendor all Title and Operating Documents, Technical Information,
       books, accounts, records, 
<PAGE>   50
                                       47



       minute books, Tax returns, Tax receipts, filings, maps, documents, files,
       information and materials of the Corporation, the Subsidiary and the
       Finance Subsidiaries which are located in the second duplicate Data Room
       set up by the Vendor, the Corporation and the Subsidiary. After the
       Closing Date, the Vendor may, upon reasonable notice to the Purchaser and
       subject to contractual restrictions relative to disclosure, have access
       during business hours to the Title and Operating Documents, the Technical
       Information and the books, accounts, records, minute books, Tax returns,
       Tax receipts, filings, maps, documents, files, information and materials
       of the Corporation, the Subsidiary and the Finance Subsidiaries and to
       obtain and copy information in respect of matters arising or relating to
       any period of time through the Closing if copies of such records or if
       the information derived from such access would be helpful or beneficial
       to the Vendor or its Affiliates:

       (i)    in connection with audits;

       (ii)   in connection with the Vendor's dealings with taxing or other
              regulatory authorities;

       (iii)  to comply with any applicable law, regulation or ruling by a
              relevant government or regulatory authority or in any court of law
              or other tribunal having jurisdiction; or

       (iv)   in connection with any action, suit or proceeding commenced or
              threatened by the Corporation, the Subsidiary, the Finance
              Subsidiaries, the Purchaser or any third party against the Vendor,
              its directors, officers, employees, agents, solicitors, engineers,
              accountants or consultants or for which the Vendor may have any
              liability.

       Receipt or retention by the Vendor of the Title and Operating Documents,
       Technical Information, books, accounts, records, minute books, Tax
       returns, Tax receipts, filings maps, documents, files, information and
       materials described in the first sentence of this subclause 22.a shall
       not entitle the Vendor to any ownership or title to the Assets to which
       such material relates. All of the Title and Operating Documents,
       Technical Information, books, accounts, records, minute books, Tax
       returns, Tax receipts, filings, maps, documents, files, information and
       materials received or retained by the Vendor or to which it has access
       pursuant to this subclause 22.a are herein collectively called "Vendor
       Confidential Information".

b.     The Vendor Confidential Information shall be kept confidential by the
       Vendor and not disclosed by the Vendor or its officers, directors,
       employees, subsidiaries, affiliates, advisors or agents to any third
       parties; provided, however, that the Vendor shall be entitled to utilize
       the Vendor Confidential Information for any purposes directly relating to
       enforcement of or defending its rights as against the Purchaser or third
       parties, or in dealing with any governmental or regulatory authorities in
       respect of Taxes or any other bona fide purpose which is reasonably
       necessary in order to protect the Vendor's interests but which does not
       jeopardize the interests, assets or operations of the Corporation or the
       Purchaser. The Vendor shall not directly or indirectly utilize any of the
       Vendor Confidential Information to 
<PAGE>   51
                                       48



       compete against the Purchaser or the Corporation. The foregoing
       restrictions shall not otherwise be construed to prevent the Vendor from
       commencing or carrying on business in Canada in competition with the
       Vendor or the Corporation.

c.     The Purchaser agrees that all of the information and materials of the
       Corporation, the Subsidiary and the Finance Subsidiaries, including, but
       not limited to, the general corporate records, the financial and
       accounting records and the tax records, which records relate to or were
       created with respect to matters arising or relating to the period through
       the Closing, shall be retained, maintained in good order and good
       condition and kept in a reasonably accessible location by the Purchaser,
       and its Affiliates, including the Corporation, the Subsidiary and the
       Finance Subsidiaries, for a period of time (the "Retention Period")
       beginning on the Closing Date and ending on the later of:

       (i)    the expiration of all applicable limitations periods for all tax
              periods beginning before the Closing, as such limitations periods
              are provided for under applicable statutes or pronouncements of
              all relevant taxing authorities, or if earlier, December 31, 2010;
              or

       (ii)   the end of such period as may be required by law or governmental
              regulation.

       The Purchaser further agrees that the Vendor may during the Retention
       Period at its expense make such copies of the information and materials
       described above as it may reasonably request pursuant to this Clause 22;
       provided, however, that at any time prior to the expiration of the
       Retention Period, the Purchaser may destroy or give up possession of any
       such information or materials if it first offers the Vendor the
       opportunity (by delivery of at least sixty (60) days' prior written
       notice to the Vendor, which notice shall contain a detailed listing of
       the information and materials proposed to be destroyed, with an
       additional copy of such notice delivered to the attention of the Vendor's
       Tax Department), at the Vendor's expense (without any payment to the
       Purchaser), to obtain delivery of or a copy of so much of such
       information or materials as the Vendor, in its sole discretion, desires.

       The Vendor agrees that it will so notify the Purchaser, in writing,
       within sixty (60) days of the completion of the examination and the
       acceptance by all relevant taxing authorities, or if applicable, ultimate
       and final judicial resolution of the tax returns of the Vendor for the
       period of time including the Closing.

d.     Commencing with the first calendar year that includes the Closing, and
       for each and every one of the subsequent calendar years during the
       Retention Period, the Purchaser shall, within two (2) months following
       the close of such calendar year, provide to the Vendor written
       certification executed by a duly authorized officer of the Purchaser that
       certifies either:

       (i)    A.     the nature and amount of each and every payment or other
                     satisfaction by the Corporation, the Subsidiary or the
                     Finance Subsidiaries of a Claim for Tax or of an adjustment
                     that resulted 
<PAGE>   52
                                       49



                     from a Claim for Tax with respect to any taxation year
                     ending on or before the Closing; and

              B.     the date of such payment or satisfaction and the taxation
                     year to which it relates, or

       (ii)   the fact that none of the matters referred to in subclause
              22.d.(i) has occurred.

e.     Commencing with the first calendar year that includes the Closing, and
       for each and every one of the subsequent calendar years during the
       Retention Period, the Purchaser shall, within two (2) months following
       the close of such calendar year, provide to the Vendor written
       certification executed by a duly authorized officer of the Purchaser that
       certifies either:

       (i)    A.     the nature and amount of each and every claim for refund or
                     overpayment (if any) that was filed by the Corporation, the
                     Subsidiary or the Finance Subsidiaries with any taxing
                     authority for any taxation year ending on or before the
                     Closing;

              B.     the date on which and the taxation year for which such
                     claim was filed;

              C.     each and every date on which any such refund or overpayment
                     was approved and was received, credited or otherwise
                     applied by any taxing authority; or

       (ii)   the fact that none of the matters referred to in subclause
              22.e.(i) has occurred.

f.     Notwithstanding subclauses 22.d and 22.e, there will be no reporting
       obligation with respect to taxation years of the Corporation, the
       Subsidiary or the Finance Subsidiaries that are no longer subject to
       reassessment or other adjustment of any amount owing pursuant to the Act
       or any similar provincial legislation.

23.           LIABILITIES AND INDEMNITIES

a.     After the Closing, the Vendor shall indemnify, defend and save harmless
       the Purchaser, the Purchaser's Affiliates, their respective successors
       and assigns and each of their respective directors, officers, employees,
       agents and representatives from and against any and all loss, liability,
       damage, cost or expense suffered or incurred by them, as a direct or
       indirect result of:

       (i)    the breach of any covenant or agreement of the Vendor contained in
              this Agreement;

       (ii)   subject to the provisions of the last paragraph of clause 16, any
              breach of a representation or warranty of the Vendor set forth in
              clause 16 of 
<PAGE>   53
                                       50



              this Agreement (other than subclauses 16.q.(ii), 16.al and 16.au)
              or the certificate delivered pursuant to subclause 14.a.(ii) in
              respect thereof; and

       (iii)  subject to provisions of the last paragraph of clause 16, any
              breach of a representation or warranty of the Vendor set forth in
              subclauses 16.q.(ii), 16.al and 16.au of this Agreement or the
              certificate delivered pursuant to subclause 14.a.(ii) in respect
              thereof.

b.     After the Closing, the Purchaser shall indemnify, defend and save
       harmless the Vendor, the Vendor's Affiliates, their respective successors
       and assigns and each of their respective directors, officers, employees,
       agents and representatives from and against any and all loss, liability,
       damage, cost or expense suffered or incurred by them, as a direct or
       indirect result of:

       (i)    the breach of any covenant or agreement of the Purchaser contained
              in this Agreement;

       (ii)   subject to provisions of the last paragraph of clause 17, any
              breach of representation or warranty of the Purchaser set forth in
              clause 17 of this Agreement or the certificate delivered pursuant
              to subclause 15.a.(vi) in respect thereof;

       (iii)  subject to the representations and warranties in clause 16 (which
              exception shall not apply after the Survival Period) any claim
              pertaining to the Assets, the Corporation, the Subsidiary or the
              Finance Subsidiaries;

       (iv)   A.     the abandonment of any Wells which are part of the Assets;

              B.     closure, decommissioning and dismantling the Major
                     Facilities and other Tangibles;

              C.     reclamation and restoration of all Sites;

              D.     ground water, surface water or aquifer contamination, soil
                     contamination, corrosion or deterioration of structures,
                     equipment and fences, or improper management or disposal of
                     toxic or hazardous substance emissions;

              including the effects of, and the costs of complying with any
              order, direction, or claim of any government, or agency,
              department, official or tribunal thereof having jurisdiction. The
              Purchaser acknowledges that it shall not be entitled to any rights
              or remedies under the common law or in equity or under any law,
              rule or regulation pertaining to any liability, loss, cost, claim,
              damage or expense as against the Vendor, including without
              limitation the right to name the Vendor as a third party to any
              action commenced by any person against the Purchaser, except
              insofar as the Purchaser remains entitled to make a claim against
              the Vendor pursuant to clause 16; and
<PAGE>   54
                                       51



       (v)    any Claim for Tax resulting from (a) any failure by the Purchaser
              to file the Forms described in Clause 21, or (b) any act by the
              Purchaser or any Affiliate to revoke the Section 338 Election.

c.     The following procedures shall apply in connection with any claims for
       indemnification under subclauses 23.a and 23.b and certain Claims for
       Tax:

       (i)    If an indemnified party hereunder receives notice of the
              commencement or assertion against it of any claim made by a third
              party for which such indemnified party seeks or intends to seek
              indemnification under this clause 23, other than Claims for Tax
              referred to in subclause 23.c.(iii), the indemnified party shall
              give the indemnifying party reasonably prompt written notice
              thereof. Such notice to the indemnifying party shall describe such
              third party claim in reasonable detail. The indemnifying party
              shall have the right to participate in or to elect to assume the
              defense of any such third party claim at the indemnifying party's
              own expense and by such indemnifying party's own counsel, and the
              indemnified party shall co-operate in good faith in such defense.
              The indemnified party shall have the right to participate in the
              defense of any such third party claim assisted by counsel of its
              own choosing. No indemnified party shall have the right to settle
              or compromise, or propose to settle or compromise, any such third
              party claim without the consent of the indemnifying party.

       (ii)   Any claim for indemnification under this clause 23 by an
              indemnified party, other than a claim referred to in subclauses
              23.c.(i) and 23.c.(iii), shall be asserted by giving the
              indemnifying party written notice thereof in accordance with the
              terms hereof. Such notice to the indemnifying party shall describe
              such direct claim in reasonable detail.

       (iii)  In the event that any taxing authority notifies the Purchaser or
              any of its Affiliates of any Claim for Tax or proposes in writing
              any adjustment that would result in a Claim for Tax, which Claim
              for Tax:

              A.     is one with respect to which Vendor is obligated to
                     indemnify Purchaser under subclause 23.a.(iii);or

              B.     relates to the election under Section 338 of the Code;

              the Purchaser shall immediately notify the Vendor, in writing, of
              such notice of such Claim for Tax or such proposed adjustment.
              Within ten (10) days of the receipt of such notice, the Vendor
              shall determine whether the Vendor accedes to such Claim of Tax or
              proposed adjustment, or, alternatively, whether the Vendor desires
              to contest such Claim for Tax or proposed adjustment. If the
              Vendor determines that it desires to contest such Claim for Tax or
              proposed adjustment, the Vendor shall determine the nature of, and
              shall control all actions to be taken with respect to, such
              contest, including (X) judicial or administrative 
<PAGE>   55
                                       52



              proceedings, (Y) resisting payment thereof or paying same and
              seeking a refund thereof, and (Z) if no agreed settlement shall
              have occurred, the court or other judicial body before which
              judicial action shall be commenced. The Vendor shall keep the
              Purchaser informed as to the progress of the contest and all
              material matters pertaining to such contest and shall consider in
              good faith any views expressed with respect to the contest by the
              Purchaser. The Purchaser shall not take any material action, or
              transmit to any taxing authority any material communications,
              written or otherwise, pertaining to the contest (and in particular
              any proposal for or consent to any settlement or compromise
              thereof) except as directed in writing by the Vendor. In the event
              of an adverse judicial determination, the Purchaser, at the
              direction of the Vendor, will appeal to a higher court provided
              that independent counsel jointly selected by the parties is of the
              opinion that there is a realistic possibility of success in such
              appeal. The Purchaser will not enter into any settlement or
              compromise that would give rise to an indemnity hereunder without
              the written approval of the Vendor.

              In the event the Vendor elects to contest such Claim for Tax or
              notice of proposed adjustment, the Purchaser shall fully cooperate
              with the Vendor in all matters relating to such contest including,
              but not limited to, promptly providing the Vendor with access to
              any and all documents that are relevant to such Claim of Tax or
              proposed adjustment; provided, however, that in the case of each
              document that the Purchaser deems confidential, the Purchaser is
              give written assurance by the Vendor that the Vendor will not
              disclose the nature or identity of the document or its contents to
              anyone other than to its tax advisors or to a representative of
              the taxing authority.

d.     Notwithstanding anything herein to the contrary:

       (i)    the indemnities provided in the foregoing subclauses 23.a and 23.b
              shall not apply to the extent that the liabilities are reimbursed
              by insurance or are caused by the negligence, wilful default or
              misconduct of the Party claiming indemnity;

       (ii)   the Vendor shall have no obligation to indemnify the Purchaser in
              respect of any loss, liability, damage, cost or expense suffered
              or incurred by the Purchaser to the extent that such loss,
              liability, damage, cost or expense has resulted in any adjustment
              to the Purchase Price pursuant to clause 6 or any other provision
              thereof; and

       (iii)  if an indemnified party's losses at any time subsequent to the
              making of an indemnity payment are reduced by any net tax benefit
              or recovery, the amount of such reduction, together with interest
              thereon from the date of payment thereof at the Base Rate, shall
              promptly be repaid by the indemnified party to the indemnifying
              party.
<PAGE>   56
                                       53



24.           LIMITATION ON LIABILITY

              After Closing, the Vendor's total liability for breach of any
representations, warranties, covenants and indemnities hereunder or in any
document delivered pursuant hereto, shall not exceed the Purchase Price and if
such breach of any representations, warranties, covenants or indemnities relates
to some but not all of the Assets the liability shall not exceed the allocated
value of the relevant portion of the Assets as set forth in Schedule "11.c". The
Vendor shall have no liability for breach of any representations, warranties,
covenants and indemnities hereunder or in any document delivered pursuant hereto
(excluding liability under any indemnity provided pursuant to subclauses 11.e or
12.e) except to the extent the aggregate liability exceeds 5% of the Purchase
Price.

25.           COVENANTS OF THE VENDOR AND THE PURCHASER

a.     The Vendor and the Purchaser will each use its best efforts to cause the
       conditions precedent set forth in clause 13, which are for the benefit of
       the other, to be fulfilled and satisfied as soon as practicable.

b.     No Party will make any press release or other announcement respecting
       this Agreement without the consent of the other Party unless a Party
       refuses to consent and the Party desiring to make the release or other
       announcement is advised by its counsel that the release or other
       announcement is required to comply with any applicable statute, law or
       regulation.


26.           CONTINUING AGREEMENT

              After Closing, the covenants and agreements contained in this
Agreement shall continue in effect until performed and discharged except to the
extent the continued effectiveness or enforceability of any such agreement or
covenant is limited in duration by any Survival Period or Retention Period
stated herein.

27.           LEGAL COSTS

              Any costs in respect of which indemnification is provided
hereunder shall include reasonable attorney's fees on a solicitor to his own
client basis.

28.           WAIVER

              No waiver by any Party of any breach of any of the terms,
conditions, representations or warranties in this Agreement shall take effect or
be binding upon that Party unless the waiver is expressed in writing under the
authority of that Party and any waiver so given shall extend only to the
particular breach so waived and shall not limit or affect any rights with
respect to any other or future breach.

29.           FURTHER ASSURANCES

              At the Closing Date and thereafter as may be necessary, the
Parties shall execute, acknowledge and deliver such other instruments and take
or refrain from taking such
<PAGE>   57
                                       54



other action as may be reasonably required to more fully assure the completion
of the transactions contemplated herein in accordance with the provisions of
this Agreement and otherwise assure the carrying out of the intent and purpose
of this Agreement.

30.           ASSIGNMENT

              Prior to the Closing Date, neither Party may assign its interest
in or under this Agreement or to the Shares without the prior written consent of
the other Party hereto.

31.           NAMES, SIGNS, LOGOS, TRADEMARKS AND NOTIFICATIONS

a.     The Purchaser shall, unless otherwise agreed by the Vendor, promptly
       cause to be registered in the applicable registries at the Closing a
       Certificate of Name Change in respect of the Corporation and the
       Subsidiary omitting all reference to "Amerada", "Amerada Hess" and
       "Hess". All costs incurred in registering any Certificate of Name Change
       shall be borne by the Purchaser.

b.     After Closing, the Vendor shall remove any signs which indicate ownership
       or operation of the Assets by "Amerada", "Amerada Hess'' or "Hess". It
       shall be the responsibility of the Purchaser, where necessary, to erect
       or install any signs that may be required by governmental agencies
       indicating the Corporation or the Subsidiary, after taking into account
       the change of name required pursuant hereto, to be the operator of the
       Assets and to notify other working interest owners, gas purchasers,
       suppliers, contractors, governmental agencies and any other third party
       of the Corporation's and the Subsidiary's name change.

c.     After Closing, the Purchaser shall cause the Corporation, the Subsidiary
       and the Finance Subsidiaries to cease using the name "Amerada", "Amerada
       Hess" and "Hess" and all trademarks or logos which any of them are
       entitled to use. Effective as of Closing, the Corporation, the Subsidiary
       and the Finance Subsidiaries shall transfer, assign and convey all right,
       title and estate to such trademarks and logos to the Vendor.

32.           NOTICE

              All notices required or permitted hereunder or with respect to
this Agreement shall be in writing and shall be deemed to have been properly
given and delivered when delivered personally, or when sent from a point within
Canada or the United States of America by registered mail or confirmed facsimile
(or by any other like method by which a written and recorded message may be
sent), with all postage or charges fully prepaid, and addressed to the Parties,
respectively, as follows:
<PAGE>   58
                                       55



Purchaser:    Petro-Canada
              150-6th Avenue, S.W.
              Calgary Alberta
              T2P 3E3

              Telephone No: (403) 296-8000
              Facsimile No: (403) 296-4910

              Attention:       W. A. Peneycad
                               Associate General Counsel

Vendor:       Amerada Hess Corporation
              1185 Avenue of the  Americas
              New York, New York
              10036
              Telephone No: (212) 997-8500
              Facsimile No: (212) 536-8339

              Attention:       J. Barclay Collins, II
                               Executive Vice President and General Counsel

              Any notice or communication so mailed shall be deemed to have been
given to and received by the addressee four (4) Business Days after the mailing
thereof, provided that neither Party shall use the mails for the giving of
notice during the term of any strike or disruption or threatened strike or
disruption of postal service in Canada. Any notice or communication sent by
personal service, facsimile or other means shall be deemed received when
delivery or reception of the transmission is complete except that, if such
delivery or transmission is sent on a day which is not a Business Day then the
same shall be deemed received on the next Business Day.

33.           GOVERNING LAW

              This Agreement shall in all respects be subject to and be
interpreted, construed and enforced in accordance with the laws in effect in the
Province of Alberta. Each party accepts the jurisdiction of the courts of the
Province of Alberta and all courts of appeal therefrom.

34.           ENTIRE AGREEMENT

              Subject to clause 39, this Agreement supersedes all previous
agreements and states the entire agreement between the Parties concerning the
Shares.

35.           ENUREMENT

              This Agreement shall be binding upon and enure to the benefit of
the Parties hereto and their respective successors and permitted assigns.
<PAGE>   59
                                       56



36.           SEVERABILITY

              If any provisions of this Agreement is held to be invalid, illegal
or unenforceable, the invalidity, illegality or unenforceability will not affect
any other provision of this Agreement and this Agreement will be construed as if
the invalid, illegal or unenforceable provision had never been contained herein
unless the deletion of the provision would result in such material change to
cause the completion of the transaction contemplated herein to be unreasonable.

37.           TIME

              Time shall be of the essence in this Agreement.

38.           COUNTERPARTS

              This Agreement may be executed in counterpart and all executed
counterparts together shall constitute one agreement. Signature pages from
separate counterparts may be faxed and may be combined to form a single
counterpart. This Agreement shall not be binding upon any Party unless and until
executed by all Parties.

39.           CONFIDENTIALITY

              The Confidentiality Agreement shall not merge with the terms
hereof. Notwithstanding any provision herein or any law to the contrary, the
Confidentiality Agreement shall survive the execution of this Agreement and the
Closing of the transactions contemplated herein.
<PAGE>   60
                                       57



              IN WITNESS WHEREOF the Parties have duly executed this Agreement
on the date first above written.

AMERADA HESS CORPORATION


Per:   s/s John B. Hess
       -------------------------
       J. B. Hess
       Chairman of the Board and
         Chief Executive Officer


PETRO-CANADA


Per:   s/s J. M. Stanford
       -------------------------
       J. M. Stanford
       President and Chief Executive Officer


Per:   s/s W. A. Peneycad
       -------------------------
       W. A. Peneycad
       Associate General Counsel


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