FORCENERGY INC
8-K, 1997-11-05
CRUDE PETROLEUM & NATURAL GAS
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<PAGE>   1
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 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) October 31, 1997
                                (June 19, 1997)

                                 FORCENERGY INC
             (Exact name of registrant as specified in its charter)

Delaware                                    0-26444               65-0429338
(State or other jurisdiction           (Commission              (IRS Employer
of incorporation)                      File Number           Identification No.)

            2730 SW 3rd Avenue, Suite 800, Miami, Florida 33129-2237
                    (Address of principal executive offices)

        Registrant's telephone number, including area code  305-856-8500
<PAGE>   2
Item 2. Acquisition or Disposition of Assets

        On October 22, 1997, Forcenergy Inc ("Forcenergy") completed its merger
with Edisto Resources Corporation ("Edisto") (ASE:EDT) and Convest Energy
Corporation ("Convest")(ASE:COV). As a result of the merger, Forcenergy has
issued approximately 2.8 million common shares. Forcenergy paid approximately 
$69.3 million in cash consideration due to the Edisto shareholders from cash
balances received in the merger.

        In accordance with the merger, (i) each share of Edisto Common Stock
will be converted into the right to receive $4.886 in cash and approximately
 .145 of a share of Forcenergy Common Stock, and (ii) each share of Convest
Common Stock will be converted into the right to receive approximately .254 of
a share of Forcenergy Common Stock. Under the formula in the Amended and
Restated Agreement and Plan of Merger, each share of Forcenergy Common Stock 
was valued at $34.96 for the purpose of determining the exchange value.

        Through the mergers, Forcenergy has acquired an average 30% working
interest in 43 Gulf of Mexico lease blocks as well as interests in several
onshore producing fields in which Forcenergy currently owns an interest.
Forcenergy estimates the proven reserves associated with the transaction equate
to approximately 6.344 million barrels of oil and condensate and 45.9 billion
cubic feet of natural gas and are being acquired at a cost of $1.21 per MCFE.
Net daily production associated with the acquired interests currently totals
approximately 2,300 barrels of oil and condensate per day and 33,000 Mcf of
natural gas.

Item 7. Financial Statements and Exhibits

(a)  Financial statements of businesses acquired.

     The audited financial statements of Edisto and Convest for 1996 and 1995, 
     and the unaudited interim financial statements as of and for the six
     months ended June 30, 1997 are incorporated herein by reference from the
     Forcenergy Registration Statement on Form S-4 Amendment No. 2 as filed with
     the Securities and Exchange Commission on September 16, 1997 and attached
     as an exhibit hereto.

(b)  Pro forma financial information. 

     The Forcenergy unaudited pro forma consolidated statement of operations for
     the six months ended June 30, 1997 and the year ended December 31, 1996,
     and the Forcenergy unaudited pro forma consolidated balance sheet as of
     June 30, 1997, give effect to the Edisto and Convest mergers as well as
     certain other acquisitions. These pro forma financial statements are
     incorporated herein by reference from the Forcenergy Registration Statement
     on Form S-4 Amendment No. 2 as filed with the Securities and Exchange
     Commission on September 16, 1997 and attached as an exhibit hereto.

<PAGE>   3
(c) Exhibits

EXHIBIT
  NO.                              DESCRIPTION
- -------                            -----------
 23.1 --   Consent of Arthur Andersen LLP

 99.1 --   EDISTO FINANCIAL STATEMENTS

           YEAR ENDED DECEMBER 31, 1996 AND 1995: 
             Report of Independent Public Accountants
             Consolidated Balance Sheets at December 31, 1996 and 1995
             Consolidated Statements of Operations -- Years Ended December 31,
               1996, 1995 and 1994
             Consolidated Statements of Stockholders' Equity -- Years Ended 
               December 31, 1996, 1995 and 1994
             Consolidated Statements of Cash Flows -- Years Ended December 31,
               1996, 1995 and 1994
             Notes to Consolidated Financial Statements

           SIX MONTHS ENDED JUNE 30, 1997
             Consolidated Balance Sheets at June 30, 1997 and December 31, 1996
             Consolidated Statements of Operations -- Three and Six Months 
               Ended June 30, 1997 and 1996
             Consolidated Statements of Stockholders' Equity -- Six Months Ended
               June 30, 1997
             Consolidated Statements of Cash Flows -- Six Months Ended June 30, 
               1997 and 1996
             Notes to Consolidated Financial Statements


           CONVEST FINANCIAL STATEMENTS

           YEAR ENDED DECEMBER 31, 1996 AND 1995:
             Report of Independent Public Accountants of Convest Energy 
               Corporation
             Consolidated Balance Sheets of Convest Energy Corporation at 
               December 31, 1996 and 1995
             Consolidated Statements of Operations of Convest Energy 
               Corporation for the Years Ended December 31, 1996, 1995 and 1994
             Consolidated Statements of Stockholders' Equity of Convest Energy 
               Corporation for the Years Ended December 31, 1996, 1995 and 1994
             Consolidated Statements of Cash Flows of Convest Energy
               Corporation for the Years Ended December 31, 1996, 1995 and 1994
             Notes to Consolidated Financial Statements of Convest Energy 
               Corporation

           SIX MONTHS ENDED JUNE 30, 1997:
             Consolidated Balance Sheets at June 30, 1997 and December 31, 1996
             Consolidated Statements of Operations -- Three and Six Months 
               Ended June 30, 1997 and 1996
             Consolidated Statement of Stockholders' Equity -- Six Months Ended
               June 30, 1997
             Consolidated Statement of Cash Flows -- Six Months Ended June 30, 
               1997 and 1996
             Notes to Consolidated Financial Statements
             

           FORCENERGY PRO FORMA FINANCIAL INFORMATION
             Pro forma Consolidated Statement of Operations for the Six Months 
               Ended June 30, 1997 and the Year Ended December 31, 1996
             Pro forma Consolidated Balance Sheet as of June 30, 1996
          
   99.2 -- Amended and Restated Agreement and Plan of Merger among Forcenergy
           Inc, EDI Acquisition Corporation, Edisto Resources Corporation and 
           Convest Energy Corporation as of July 15, 1997.
<PAGE>   4

                                   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.

                                FORCENERGY INC



Date: November 4, 1997          E. Joseph Grady
                                Vice President - Chief Financial Officer
<PAGE>   5
                               INDEX TO EXHIBITS

EXHIBIT
  NO.                              DESCRIPTION
- -------                            -----------
 23.1 --   Consent of Arthur Andersen LLP

 99.1 --   EDISTO FINANCIAL STATEMENTS

           YEAR ENDED DECEMBER 31, 1996 AND 1995: 
             Report of Independent Public Accountants
             Consolidated Balance Sheets at December 31, 1996 and 1995
             Consolidated Statements of Operations -- Years Ended December 31,
               1996, 1995 and 1994
             Consolidated Statements of Stockholders' Equity -- Years Ended 
               December 31, 1996, 1995 and 1994
             Consolidated Statements of Cash Flows -- Years Ended December 31,
               1996, 1995 and 1994
             Notes to Consolidated Financial Statements

           SIX MONTHS ENDED JUNE 30, 1997
             Consolidated Balance Sheets at June 30, 1997 and December 31, 1996
             Consolidated Statements of Operations -- Three and Six Months 
               Ended June 30, 1997 and 1996
             Consolidated Statements of Stockholders' Equity -- Six Months Ended
               June 30, 1997
             Consolidated Statements of Cash Flows -- Six Months Ended June 30, 
               1997 and 1996
             Notes to Consolidated Financial Statements

           CONVEST FINANCIAL STATEMENTS

           YEAR ENDED DECEMBER 31, 1996 AND 1995:
             Report of Independent Public Accountants of Convest Energy 
               Corporation
             Consolidated Balance Sheets of Convest Energy Corporation at 
               December 31, 1996 and 1995
             Consolidated Statements of Operations of Convest Energy 
               Corporation for the Years Ended December 31, 1996, 1995 and 1994
             Consolidated Statements of Stockholders' Equity of Convest Energy 
               Corporation for the Years Ended December 31, 1996, 1995 and 1994
             Consolidated Statements of Cash Flows of Convest Energy
               Corporation for the Years Ended December 31, 1996, 1995 and 1994
             Notes to Consolidated Financial Statements of Convest Energy 
               Corporation

           SIX MONTHS ENDED JUNE 30, 1997:
             Consolidated Balance Sheets at June 30, 1997 and December 31, 1996
             Consolidated Statements of Operations -- Three and Six Months 
               Ended June 30, 1997 and 1996
             Consolidated Statement of Stockholders' Equity -- Six Months Ended
               June 30, 1997
             Consolidated Statement of Cash Flows -- Six Months Ended June 30, 
               1997 and 1996
             Notes to Consolidated Financial Statements

             Forcenergy Pro forma Financial Information

             Pro forma Consolidated Statement of Operations for the Six Months 
               Ended June 30, 1997 and the Year Ended December 31, 1996
             Pro forma Consolidated Balance Sheet as of the Six Months Ended
               June 30, 1996
 
   99.2 -- Amended and Restated Agreement and Plan of Merger among Forcenergy
           Inc, EDI Acquisition Corporation, Edisto Resources Corporation and 
           Convest Energy Corporation as of July 15, 1997.






<PAGE>   1

                                                                  EXHIBIT 23.1


                   CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS

As independent public accountants, we hereby consent to the incorporation by
reference in this Form 8-K of our reports dated March 20, 1997 for both the
Convest Energy Corporation and the Edisto Resources Corporation annual reports
on Form 10-K for the year ended December 31, 1996, included in the Forcenergy
Inc Registration Statement File No. 333-31675 on Form S-4 Amendment No. 2 as
filed with the Securities and Exchange Commission on September 16, 1997. It
should be noted that we have not audited any financial statements of the
companies subsequent to December 31, 1996 or performed any audit procedures
subsequent to the date of our report.


                                                          ARTHUR ANDERSEN LLP




Houston, Texas
November 4, 1997

<PAGE>   1
                                                                 EXHIBIT 99.1
 
                    REPORT OF INDEPENDENT PUBLIC ACCOUNTANTS
 
To the Stockholders and Board of Directors of
Edisto Resources Corporation:
 
     We have audited the accompanying consolidated balance sheets of Edisto
Resources Corporation, a Delaware corporation, and subsidiaries as of December
31, 1996 and 1995, and the related consolidated statements of operations,
stockholders' equity and cash flows for each of the three years in the period
ended December 31, 1996. These financial statements and the schedules referred
to below are the responsibility of Edisto Resources Corporation's management.
Our responsibility is to express an opinion on these financial statements and
schedules based on our audits.
 
     We conducted our audits in accordance with generally accepted auditing
standards. Those standards require that we plan and perform the audit to obtain
reasonable assurance about whether the financial statements are free of material
misstatement. An audit includes examining, on a test basis, evidence supporting
the amounts and disclosures in the financial statements. An audit also includes
assessing the accounting principles used and significant estimates made by
management, as well as evaluating the overall financial statement presentation.
We believe that our audits provide a reasonable basis for our opinion.
 
     In our opinion, the consolidated financial statements referred to above
present fairly, in all material respects, the financial position of Edisto
Resources Corporation and subsidiaries as of December 31, 1996 and 1995, and the
results of their operations and their cash flows for each of the three years in
the period ended December 31, 1996, in conformity with generally accepted
accounting principles.
 
     As discussed in Note 1, as of October 1, 1995, Edisto Resources Corporation
changed its method of accounting for the impairment of long-lived assets to
conform with Statement of Financial Accounting Standards No. 121.
 
     Our audits were made for the purpose of forming an opinion on the basic
financial statements taken as a whole. The schedules listed in the index of
financial statement schedules are presented for purposes of complying with the
Securities and Exchange Commission's rules and are not part of the basic
financial statements. These schedules have been subjected to the auditing
procedures applied in the audits of the basic financial statements and, in our
opinion, fairly state in all material respects the financial data required to be
set forth therein in relation to the basic financial statements taken as a
whole.
 
                                            ARTHUR ANDERSEN LLP
 
Houston, Texas
March 20, 1997
 
<PAGE>   2
 
                          EDISTO RESOURCES CORPORATION
 
                          CONSOLIDATED BALANCE SHEETS
                                 (IN THOUSANDS)
 
                                     ASSETS
 
<TABLE>
<CAPTION>
                                                                  DECEMBER 31,
                                                              --------------------
                                                                1996        1995
                                                              --------    --------
<S>                                                           <C>         <C>
Current assets:
  Cash and cash equivalents.................................  $ 71,765    $ 19,506
  Restricted cash...........................................       333         333
  Margin deposits...........................................       979       5,123
  Accounts receivable.......................................     9,835       7,959
  Net assets of discontinued gas marketing operations.......        --      23,979
  Other current assets......................................     1,547       1,769
                                                              --------    --------
          Total current assets..............................    84,459      58,669
Property and equipment:
  Oil and gas properties using the successful efforts method
     of accounting..........................................   117,306     115,250
  Other.....................................................       641         644
  Less -- accumulated depreciation, depletion and
     amortization...........................................   (63,147)    (50,358)
                                                              --------    --------
                                                                54,800      65,536
Other assets................................................     2,178       1,647
                                                              --------    --------
                                                              $141,437    $125,852
                                                              ========    ========
 
                      LIABILITIES AND STOCKHOLDERS' EQUITY
 
Current liabilities:
  Current maturities of long-term debt......................  $     --    $  1,723
  Accounts payable..........................................     9,840       9,609
  Accrued liabilities and other.............................     9,863       5,890
  Deferred revenue..........................................     2,113       2,010
                                                              --------    --------
          Total current liabilities.........................    21,816      19,232
Long-term liabilities:
  Long-term debt, net of current maturities.................     4,003      17,635
  Deferred revenue..........................................       559         691
  Minority interest.........................................    10,850       9,092
  Other noncurrent liabilities..............................     7,486      11,674
                                                              --------    --------
                                                                22,898      39,092
Commitments and contingencies
Stockholders' equity:
  Common stock, $.01 par value, 50,000,000 shares
     authorized, 13,930,052 issued at December 31, 1996 and
     12,977,960 issued at December 31, 1995.................       139         130
  Additional paid-in capital................................    70,675      61,528
  Retained earnings.........................................    26,308       6,154
  Foreign currency translation..............................       (37)        (95)
  Treasury stock, at cost, 52,214 shares at December 31,
     1996, and 23,714 shares at December 31, 1995...........      (362)       (189)
                                                              --------    --------
          Total stockholders' equity........................    96,723      67,528
                                                              --------    --------
                                                              $141,437    $125,852
                                                              ========    ========
</TABLE>
 
      See the accompanying notes to the consolidated financial statements.
 
<PAGE>   3
 
                          EDISTO RESOURCES CORPORATION
 
                     CONSOLIDATED STATEMENTS OF OPERATIONS
                     (IN THOUSANDS, EXCEPT PER SHARE DATA)
 
<TABLE>
<CAPTION>
                                                           YEAR ENDED     YEAR ENDED     YEAR ENDED
                                                          DECEMBER 31,   DECEMBER 31,   DECEMBER 31,
                                                              1996           1995           1994
                                                          ------------   ------------   ------------
<S>                                                       <C>            <C>            <C>
Oil and gas revenues....................................    $47,222        $51,450        $46,788
Costs and expenses:
  Lease operating and production taxes..................     14,988         18,689         12,229
  Abandonment and exploration costs.....................      2,021          2,871          2,135
  Restructuring.........................................         --             --          2,684
  Depreciation, depletion and amortization..............     16,541         20,402         19,118
  Impairments of oil and gas properties.................      2,633          5,911             --
  General and administrative............................      6,376          8,536          4,751
                                                            -------        -------        -------
                                                             42,559         56,409         40,917
                                                            -------        -------        -------
     Operating income (loss)............................      4,663         (4,959)         5,871
                                                            -------        -------        -------
Other income (expense):
  Interest income.......................................      1,549          1,615          1,320
  Interest expense......................................     (1,068)        (2,036)          (747)
  Equity in earnings (loss) of affiliates...............         --             --         (1,731)
  Gain (loss) on asset sales............................      1,586           (652)         4,754
  Minority interest.....................................     (2,190)           726            (69)
  Other, net............................................      1,450          1,260           (516)
                                                            -------        -------        -------
                                                              1,327            913          3,011
                                                            -------        -------        -------
Income (loss) before income taxes.......................      5,990         (4,046)         8,882
Preacquisition loss of subsidiary.......................         --          1,478             --
Income tax (provision) benefit..........................       (387)          (606)          (147)
                                                            -------        -------        -------
Income (loss) from continuing operations................      5,603         (3,174)         8,735
                                                            -------        -------        -------
Discontinued operations:
  Income (loss) from gas marketing operations...........       (761)        (9,804)        (1,083)
  Gain on sale of gas marketing operations..............     15,312             --             --
  Loss from transmission operations.....................         --             --           (501)
  Gain on sale of transmission operations...............         --          2,557             --
  Gain on sale of manufacturing operations..............         --          3,824             --
                                                            -------        -------        -------
          Net income (loss).............................    $20,154        $(6,597)       $ 7,151
                                                            =======        =======        =======
Net income (loss) per common share:
  Continuing operations.................................    $   .41        $  (.25)       $   .68
  Discontinued operations...............................       1.08           (.26)          (.13)
                                                            -------        -------        -------
          Net income (loss) per common share............    $  1.49        $  (.51)       $   .55
                                                            =======        =======        =======
Weighted average common shares outstanding..............     13,496         12,954         12,926
                                                            =======        =======        =======
</TABLE>
 
      See the accompanying notes to the consolidated financial statements.
 
<PAGE>   4
 
                          EDISTO RESOURCES CORPORATION
 
                CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY
                                 (IN THOUSANDS)
 
<TABLE>
<CAPTION>
                                           NUMBER OF            ADDITIONAL                FOREIGN
                                            COMMON     COMMON    PAID-IN     RETAINED    CURRENCY     TREASURY
                                            SHARES     STOCK     CAPITAL     EARNINGS   TRANSLATION    STOCK      TOTAL
                                           ---------   ------   ----------   --------   -----------   --------   -------
<S>                                        <C>         <C>      <C>          <C>        <C>           <C>        <C>
Balance at December 31, 1993.............   12,848      $128     $60,362     $ 5,600       $ --        $  --     $66,090
  Issuance of common stock...............      141         2       1,166          --         --           --       1,168
  Foreign currency translation...........       --        --          --          --        (38)          --         (38)
  Treasury stock, at cost................       --        --          --          --         --         (189)       (189)
  Net income.............................       --        --          --       7,151         --           --       7,151
                                            ------      ----     -------     -------       ----        -----     -------
Balance at December 31, 1994.............   12,989       130      61,528      12,751        (38)        (189)     74,182
  Cancellation of untendered Common Stock
    pursuant to the Plan of
    Reorganization.......................      (11)       --          --          --         --           --          --
  Foreign currency translation...........       --        --          --          --        (57)          --         (57)
  Net loss...............................       --        --          --      (6,597)        --           --      (6,597)
                                            ------      ----     -------     -------       ----        -----     -------
Balance at December 31, 1995.............   12,978       130      61,528       6,154        (95)        (189)     67,528
  Exercise of warrants...................      918         9       8,932          --         --           --       8,941
  Exercise of options....................       34        --         215          --         --           --         215
  Foreign currency translation...........       --        --          --          --         58           --          58
  Treasury stock, at cost................       --        --          --          --         --         (173)       (173)
  Net income.............................       --        --          --      20,154         --           --      20,154
                                            ------      ----     -------     -------       ----        -----     -------
Balance at December 31, 1996.............   13,930      $139     $70,675     $26,308       $(37)       $(362)    $96,723
                                            ======      ====     =======     =======       ====        =====     =======
</TABLE>
 
      See the accompanying notes to the consolidated financial statements.
 
<PAGE>   5
 
                          EDISTO RESOURCES CORPORATION
 
                     CONSOLIDATED STATEMENTS OF CASH FLOWS
                                 (IN THOUSANDS)
 
<TABLE>
<CAPTION>
                                                           YEAR ENDED     YEAR ENDED     YEAR ENDED
                                                          DECEMBER 31,   DECEMBER 31,   DECEMBER 31,
                                                              1996           1995           1994
                                                          ------------   ------------   ------------
<S>                                                       <C>            <C>            <C>
CASH FLOWS FROM OPERATING ACTIVITIES:
  Net income (loss).....................................   $  20,154       $ (6,597)      $  7,151
  Adjustments to reconcile net income to net cash
     provided by operating activities:
     Depreciation, depletion and amortization...........      17,236         17,204         22,595
     Impairments of oil and gas properties..............       2,633          5,911             --
     Abandonment and exploration cost...................       1,592          2,390          1,810
     Gains on sales of assets and investments...........     (16,901)        (5,729)        (4,732)
     Restructuring expense..............................          --             --          2,684
     Equity in (income) loss of affiliates..............        (444)          (316)         1,658
     Minority interest..................................       2,190           (726)           (69)
     Other..............................................         951            (32)         1,147
     Changes in assets and liabilities:
       Accounts receivable..............................    (151,225)       (32,796)        34,001
       Accounts payable and accrued liabilities.........     168,560         22,774        (20,221)
       Increase (decrease) in gas storage inventory.....      (1,778)        (5,126)            --
       Other............................................      (5,894)            66           (595)
                                                           ---------       --------       --------
          Net cash provided (used) by operating
            activities..................................      37,074         (2,977)        45,429
                                                           ---------       --------       --------
CASH FLOWS FROM INVESTING ACTIVITIES:
  Proceeds from sale of gas marketing operations........      15,350             --             --
  Proceeds from sales of assets, including discontinued
     transportation and manufacturing operations........       4,389         72,034          8,446
  Proceeds from sales of investments....................          --             --          9,000
  Investment in subsidiaries............................        (419)            --             --
  Purchase (sale) of assets from risk management
     activities.........................................         764         (9,428)        (9,648)
  Acquisition, exploration and development costs........     (10,949)       (10,648)        (6,398)
  Gas transmission expenditures.........................          --            (10)          (673)
  Acquisitions..........................................          --             --         (9,347)
  Cash from acquisition of Convest......................          --            716             --
  Advances from affiliates..............................          --             51            106
  Purchase of other current and noncurrent assets.......      (1,740)        (3,527)        (5,114)
                                                           ---------       --------       --------
          Net cash provided (used) by investing
            activities..................................       7,395         49,188        (13,628)
                                                           ---------       --------       --------
CASH FLOWS FROM FINANCING ACTIVITIES:
  Borrowings on short and long-term debt and capital
     leases.............................................       3,100          6,575          7,806
  Payments on long-term debt and capital leases.........     (18,209)       (60,229)       (12,665)
  Stock issue on exercise of warrants and options.......       9,156             --             --
  Repurchase of common shares...........................        (173)            --             --
  Currency translation..................................          58             57             38
                                                           ---------       --------       --------
          Net cash used by financing activities.........      (6,068)       (53,597)        (4,821)
Net increase (decrease) in cash and cash equivalents....      38,401         (7,386)        26,980
Cash and cash equivalents, at beginning of period.......      33,697         41,083         14,103
                                                           ---------       --------       --------
Cash and cash equivalents, at end of period.............   $  72,098       $ 33,697       $ 41,083
                                                           =========       ========       ========
SUPPLEMENTAL DISCLOSURES
  CASH PAID (RECEIVED) DURING THE PERIOD FOR:
     Interest...........................................   $   1,506       $  1,568       $  4,816
                                                           =========       ========       ========
     Taxes..............................................   $     358       $  1,465       $    294
                                                           =========       ========       ========
</TABLE>
 
      See the accompanying notes to the consolidated financial statements.
 
<PAGE>   6
 
                          EDISTO RESOURCES CORPORATION
 
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
              FOR THE YEARS ENDED DECEMBER 31, 1996, 1995 AND 1994
 
(1) ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
 
ORGANIZATION AND PRESENTATION
 
     The accompanying consolidated financial statements include the accounts of
Edisto Resources Corporation, a Delaware corporation ( the "Company" or
"Edisto"), and its wholly and majority owned subsidiaries. Since the sale of the
Company's gas marketing operations on December 10, 1996, the Company's only line
of business has been oil and gas exploration and production which is conducted
through a 73% interest in Convest Energy Corporation ("Convest"), an independent
oil and gas exploration and production company listed on the American Stock
Exchange. Edisto owns 7,598,771 shares of Convest Common Stock. Prior to
acquiring its interest in Convest, the Company conducted its oil and gas
activities through Edisto Exploration & Production Company ("Edisto E&P"). See
Note 3 -- "Acquisitions -- Convest Energy Corporation."
 
     Prior to December 10, 1996, the Company conducted gas marketing operations
through its subsidiaries, Energy Source, Inc. in the United States, and Energy
Source Canada, Inc. in Canada (collectively, "Energy Source"). On December 10,
1996, Energy Source sold substantially all of its assets to two subsidiaries of
Pacific Gas Transmission Company. See Note 2 -- "Discontinued Operations" for a
discussion of the sale of the gas marketing operations.
 
     References to the "Company" or "Edisto" shall refer to Edisto Resources
Corporation and all of its consolidated subsidiaries, including Convest.
References to "Convest" shall refer to Convest and the oil and gas activities
conducted through Edisto E&P prior to acquiring the interest in Convest.
 
     Edisto conducted gas transmission activities from July 1990 through the
first quarter of 1994 when Edisto executed a definitive agreement to sell its
intrastate natural gas pipeline. The sale was subject to regulatory approval and
was closed in January 1995. Accordingly, at December 31, 1994, Edisto reported
its investment in the pipeline operations as "Net Assets of Discontinued
Transmission Operations." In March 1994, Edisto's 80% subsidiary, Multiflex
International, Inc., sold all the stock of its operating subsidiaries to
Oceaneering International, Inc., at which time the corporate name was changed to
MINT Holding Company ("MINT"). See Note 2 -- "Discontinued Operations" for a
discussion of both the sale of the pipeline and the MINT subsidiaries.
 
CASH AND CASH EQUIVALENTS
 
     Cash equivalents consist of short-term highly liquid investments which are
readily convertible into cash and have original maturities of three months or
less. The Company's investment policy for its available cash balances allows for
investment in high grade short-term debt issues as well as investments in money
market accounts and overnight investments with major financial institutions. At
December 31, 1996, the Company had cash and cash equivalents, including
restricted cash, of $72.1 million of which $4.0 million of cash and cash
equivalents (including restricted cash) was held at Convest.
 
     For purposes of the Consolidated Balance Sheets, approximately $13.9
million of the ending cash balance as of December 31, 1995 was reclassified to
"Net Assets of Discontinued Gas Marketing Operations."
 
NET INCOME PER SHARE
 
     Income (loss) per share is based on the weighted average number of common
shares outstanding. The effect of common share equivalents was immaterial and
not dilutive for 1996, 1995 or 1994.
 
INCOME TAXES
 
     Edisto records income taxes in accordance with the Financial Accounting
Standards Board -- Statement of Financial Accounting Standards No. 109 ("SFAS
109"), "Accounting for Income Taxes." SFAS 109
 
<PAGE>   7
 
                          EDISTO RESOURCES CORPORATION
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
requires the balance sheet approach of income tax accounting whereby deferred
income taxes are provided at the balance sheet date for the differences existing
in the tax basis of assets and liabilities and their financial statement
carrying amounts.
 
USE OF ESTIMATES
 
     The preparation of financial statements in conformity with generally
accepted accounting principles requires management to make estimates and
assumptions that affect the reported amounts of assets and liabilities and
disclosure of contingent assets and liabilities at the date of the financial
statements and the reported amounts of revenues and expenses during the
reporting period. Actual results could differ from those estimates.
 
RECLASSIFICATIONS AND CONSOLIDATION
 
     Certain reclassifications have been made to the 1995 and 1994 consolidated
financial statements to conform to the presentation for 1996. All significant
intercompany balances and transactions have been eliminated.
 
CHANGES IN ACCOUNTING PRINCIPLES
 
     Edisto adopted Statement of Financial Accounting Standards No. 121,
"Accounting for the Impairment of Long-Lived Assets and for Long-Lived Assets to
Be Disposed Of" ("SFAS 121"), in the fourth quarter of 1995. Convest took a $5.9
million write-down in the value of its oil and gas properties in 1995 due to the
adoption of SFAS 121. See "Property and Equipment" below for a more detailed
explanation of this accounting change and write-down.
 
CONVEST ENERGY CORPORATION
 
     Restricted Cash. Restricted cash consists of $333,000 of certificates of
deposit held by various financial institutions. The certificates of deposit are
held in escrow as collateral for letters of credit issued for (i) lease payments
on certain offshore platforms and (ii) estimated plugging and abandonment costs
expected to be incurred on certain onshore oil and gas properties.
 
     Property and Equipment. Convest follows the successful efforts method of
accounting for its oil and gas properties. Costs of productive wells,
developmental drilling expenditures, including developmental dry holes, and
productive leases are capitalized. Exploratory drilling costs, including
stratigraphic test wells, are initially capitalized, but charged to expense if
and when the well is determined to be unsuccessful. The capitalized costs of oil
and gas properties are charged to operations as depreciation, depletion and
amortization using the unit-of-production method based on the ratio of current
production to proved recoverable oil and gas reserves (as defined by the
Securities and Exchange Commission) on a lease by lease basis. Reserve estimates
for Convest's properties were prepared or audited by independent petroleum
engineering firms at year end. Gas is converted to equivalent barrels of oil on
an energy content basis of 6 Mcf of gas to 1 barrel of oil. Depreciation,
depletion and amortization per equivalent unit of oil production was $5.09,
$4.62 and $4.80 for the years ended December 31, 1996, 1995 and 1994,
respectively. Oil and gas leasehold costs are capitalized when incurred.
Unproved properties are assessed periodically on a property-by-property basis
and impairments in value are charged to expense. Exploratory expenses, including
geological and geophysical expenses and annual delay rentals, are charged to
expense as incurred.
 
     Prior to 1995, Convest provided an impairment reserve for proved oil and
gas properties to the extent that total capitalized costs less accumulated
depreciation and depletion, exceed expected undiscounted future net revenues
attributable to proved oil and gas reserves on an overall basis. During March
1995, the Financial Accounting Standards Board issued SFAS 121 which requires
Convest to recognize an impairment loss for
 
<PAGE>   8
 
                          EDISTO RESOURCES CORPORATION
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
proved oil and gas properties if the carrying value of such properties (i.e.,
total capitalized costs less accumulated depreciation and depletion) exceeds the
undiscounted expected future cash flows attributable to such properties. Under
SFAS 121, Convest must assess the need each quarter for an impairment of
capitalized costs of oil and gas properties on a property-by-property basis. If
an impairment is indicated based on undiscounted expected future cash flows,
then an impairment loss is recognized to the extent that net capitalized costs
exceed discounted expected future cash flows.
 
     During the fourth quarter of 1995, Convest adopted SFAS 121 which required
Convest to recognize an impairment loss in 1995 of approximately $5.9 million.
Convest assessed the need for an impairment of its proved oil and gas properties
at December 31, 1995 using the prices of $17.42 per barrel of oil and $1.61 per
Mcf of gas. In 1996, Convest recognized an impairment loss of $2.6 million.
Convest assessed the need for an impairment at December 31, 1996 using the
prices of $22.73 per barrel of oil and $2.21 per Mcf of gas.
 
     Other Property, Plant and Equipment. Other fixed assets are recorded at
cost and depreciated over their estimated useful lives using the straight-line
method of depreciation.
 
     Abandonment Reserve. Convest records its estimate of future abandonment
costs of offshore properties. Such costs are accrued using a unit-of-production
method based upon estimated proved recoverable reserves. Abandonment costs are
estimated under current regulations using current costs and are reviewed
periodically and adjusted as new information becomes available. Abandonment
costs on onshore properties are typically nominal due to the salvage value of
well equipment.
 
     Upon emerging from bankruptcy in July 1993, Edisto E&P entered into a
settlement with the United States Minerals Management Service relating to
estimated plugging and abandonment costs for 14 Gulf of Mexico OCS leases in
which Edisto E&P owned interests. Pursuant to this settlement, the operator of
the leases, Edisto E&P and other co-lessees were required to provide security
for payment of such costs through quarterly payments to an Abandonment Fund.
Subsequent to the Edisto Transaction, Convest continues to be subject to the
Abandonment Fund payments. As of December 31, 1996 and 1995, Convest was subject
to total Abandonment Fund payments of $4.2 million and $4.3 million,
respectively.
 
     As of December 31, 1996 and 1995, Convest had made payments totaling $4.2
million and $3.7 million to the Abandonment Fund, respectively. These payments
were applied to the total long-term abandonment reserve of $7.7 million and
$10.2 million, as of December 31, 1996 and 1995, respectively, resulting in a
net long-term abandonment reserve of $3.5 million and $6.5 million as of those
dates. The current portion of the abandonment reserve was $2.3 million and
$556,000 as of December 31, 1996 and 1995, respectively. The current portion of
the abandonment reserve is included in "Accrued Liabilities and Other" and the
noncurrent portion is included in "Other Noncurrent Liabilities" in the
consolidated financial statements.
 
     Lease Operating Expenses. In connection with a 1992 sale of certain future
production volumes of oil to Enron Reserve Acquisition Corp., Convest
established a reserve for the expenses associated with the volumes sold and
amortizes this reserve as the volumes are delivered. As of December 31, 1996 and
1995, the current balance of this reserve was $1.6 million and $1.8 million,
respectively, and the long-term balance was $3.7 million and $4.6 million,
respectively, and were presented in "Accrued Liabilities and Other" and "Other
Noncurrent Liabilities," respectively, in the consolidated financial statements.
 
     Gas Balancing. Convest uses the entitlement method of accounting for gas
imbalances. Receivables resulting from undertakes of gas production at December
31, 1996 and 1995 were $2.3 million and $1.4 million, respectively, and are
included in "Oil and Gas Production Accounts Receivables" and "Other Noncurrent
Assets" in the consolidated financial statements. Deferred revenue and payables
resulting from overtakes of gas production at December 31, 1996 and 1995 were
$2.7 million and $2.7 million, respectively, and are included in "Deferred
Revenue" and "Other Noncurrent Liabilities" in the consolidated financial
statements.
 
<PAGE>   9
 
                          EDISTO RESOURCES CORPORATION
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
     Accounting for Income Taxes. Convest records income taxes in accordance
with SFAS 109, "Accounting for Income Taxes." SFAS 109 requires the balance
sheet approach of income tax accounting whereby deferred income taxes are
provided at the balance sheet date for the differences existing in the tax basis
of assets and liabilities and their financial statement carrying amounts.
 
     Concentration of Credit Risk. Convest's oil and gas production revenues are
derived principally from uncollateralized sales to customers in the oil and gas
industry. The concentration of credit risk in a single industry affects
Convest's overall exposure to credit risk because customers may be similarly
affected by changes in economic and other conditions. Convest has not
experienced significant credit losses on receivables from such sales.
 
     Risk Management/Hedging Activities. Convest from time to time engages in
commodity hedging activities to minimize the risk of market fluctuations
associated with the price of crude oil and natural gas production. The hedging
objectives include assurance of stable and known cash flows and fixed favorable
prices. The hedges are effected through the purchase and sale of futures
contracts on the New York Mercantile Exchange ("NYMEX") and over the counter
price swap agreements. The credit risk of futures contracts is limited due to
the daily cash settlement of the net change in the value of open contracts and
because of certain NYMEX procedures. Gains or losses on Convest's hedging
agreements are deferred and recognized when the hedged transaction occurs, and
are recorded as oil and gas sales revenue.
 
(2) DISCONTINUED OPERATIONS
 
     Sale of Gas Marketing Operations. From 1990 until December 1996, Edisto
conducted natural gas marketing operations through Energy Source. On December
10, 1996, Energy Source sold substantially all of the assets of its gas
marketing operations to subsidiaries of Pacific Gas Transmission Company
("PGT"), a subsidiary of Pacific Gas and Electric Company (NYSE "PGE"). The
sales price was $23.3 million in cash, plus the working capital of Energy Source
at July 31, 1996 (approximately $20.0 million). The sales price, however, is
subject to adjustment after the closing by the adjusted consolidated net income
or loss of Energy Source from August 1, 1996 to November 30, 1996. The Company
and PGT have not yet finalized the purchase price adjustment. Under the Purchase
Agreement, Edisto also retained certain assets and liabilities of Energy Source
which are explained in more detail below. In connection with this sale, Edisto
recognized a gain of approximately $15.3 million, net of approximately $700,000
of income tax.
 
     With certain exceptions, PGT assumed substantially all of the liabilities
of Energy Source as of November 30, 1996, the effective date of the sale. The
assumed liabilities included all existing leases for office space being used by
Energy Source.
 
     As a condition to the sale, Edisto retained the rights and liabilities
associated with the gas purchase and supply contracts with three of Energy
Source's Canadian trading partners, each of whom defaulted under their contracts
and sought protection under Canadian bankruptcy laws. Edisto also retained as
assets approximately 1.2 Bcf of natural gas in storage which the storage
operator failed to deliver. Edisto is pursuing its claims in each of these
matters.
 
     Pursuant to the Purchase Agreement, Edisto also retained the liabilities
and counterclaims against PanEnergy Corporation and Panhandle Eastern Pipe Line
Company under a lawsuit in the District Court of Harris County, Texas. This
lawsuit is described in Note 12 -- "Commitments and Contingencies" herein.
 
     Separate from the lawsuit with PanEnergy, Edisto retained as an asset all
rights to receive a refund from PanEnergy of approximately $1.0 million under a
proposed settlement of certain rate cases pending before the Federal Energy
Regulatory Commission. The proposed settlement has been reflected on the
Consolidated Balance Sheet as of December 31, 1996 and is included in "Accounts
Receivable." This settlement relates to rates that Energy Source was charged for
transportation during 1991 and 1992 by PanEnergy. The settlement proceeds are
scheduled to be paid to Edisto by the end of the second quarter of 1997.
 
<PAGE>   10
 
                          EDISTO RESOURCES CORPORATION
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
     See Note 4 -- "Consolidating Balance Sheets" for consolidating balance
sheets of Edisto and its consolidated subsidiary, Convest, at December 31, 1996,
which set forth the remaining assets and liabilities of Edisto at such date.
 
     Gross revenues from the gas marketing operations for the years ended
December 31, 1996, 1995 and 1994 were $847.0 million, $418.8 million and $249.4
million, respectively. Net assets of the discontinued gas marketing operations
at December 31, 1995 consisted of the following:
 
              NET ASSETS OF DISCONTINUED GAS MARKETING OPERATIONS
                                 (IN THOUSANDS)
 
<TABLE>
<CAPTION>
                                                               YEAR ENDED
                                                              DECEMBER 31,
                                                                  1995
                                                              ------------
<S>                                                           <C>
Cash and cash equivalents...................................    $ 13,858
Accounts receivable.........................................      71,041
Net assets from price risk management activities............       9,267
Accounts payable............................................     (73,797)
Property and equipment, net.................................       1,281
Other assets................................................       8,717
Other liabilities...........................................      (6,388)
                                                                --------
                                                                $ 23,979
                                                                ========
</TABLE>
 
     Gas Transmission Operations/Sale of Pipeline. Edisto conducted gas
transmission activities from July 1990 through the execution of a definitive
agreement in February 1994 for the sale of the Company's 218-mile Missouri
intrastate natural gas pipeline to UtiliCorp United Inc. The sale was subject to
regulatory approval and was closed in January 1995. The Company continued to
operate the pipeline from the date of the definitive agreement until the close
of the sale, and reported assets, liabilities and results of operations as
discontinued operations.
 
     The gross sales price, including adjustments for net working capital and
capital expenditures, was $78.1 million in cash. $45.6 million of the proceeds
was used to pay outstanding debt, including interest and prepayment penalties,
to three lenders. Edisto recorded a gain on the sale of the pipeline of
approximately $2.6 million in the first quarter of 1995.
 
     Gross revenues from transmission operations for the twelve months ended
December 31, 1994 were $11.4 million. For the same period, the Company reported
a net loss of $.5 million for transmission operations under discontinued
operations.
 
     Manufacturing Operations/Sale of Mint Subsidiaries. From 1990 until March
1994, Edisto's 80% subsidiary, Multiflex International, Inc. (now called MINT
Holding Company ["MINT"]), manufactured subsea umbilical connections used in the
offshore oil and gas industry. In March 1994, MINT sold the stock of its
operating subsidiaries to Oceaneering International, Inc. for a purchase price
of $12.6 million in cash. After the payment of approximately $3.6 million to
third party lenders to retire debt of MINT and certain expenses associated with
the sale, the net proceeds were approximately $9 million. Under the terms of the
purchase agreement, MINT retained $9 million in cash for the one year
indemnification period to settle any possible indemnification claims after the
sale. After the indemnification period ended in March 1995 with no claims being
made, MINT repaid $8.8 million of its outstanding debt owed to Edisto.
Approximately $450,000 was left in MINT at such time to cover potential
remaining liabilities of MINT. Edisto recognized a gain on the MINT sale of $3.8
million in March 1995.
 
<PAGE>   11
 
                          EDISTO RESOURCES CORPORATION
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
(3) ACQUISITIONS
 
CONVEST ENERGY CORPORATION
 
     On June 26, 1995, Edisto and Convest closed the purchase (the "Convest
Transaction") by Convest of all of the capital stock of Edisto's oil and gas
exploration and production subsidiary, Edisto E&P. Prior to the closing, Edisto
owned approximately 31% of the outstanding Common Stock of Convest and had three
representatives on Convest's Board of Directors. The consideration paid to
Edisto in the Convest Transaction was 6,185,400 newly issued shares of Common
Stock of Convest and $10,000 in cash. These newly issued shares, combined with
Edisto's existing 31% interest in Convest, increased Edisto's interest in
Convest to approximately 72% of the outstanding Common Stock of Convest. Upon
the closing of the Convest Transaction, the Convest Board of Directors was
restructured so that affiliates of Edisto constituted a majority of Convest's
Board of Directors. In April 1996, Edisto purchased an additional 92,000 shares
of Convest Common Stock on the open market which increased its interest in
Convest to 73%.
 
     Since Edisto acquired control of Convest through its 72% stock ownership
and majority of the Convest Board, the Convest Transaction was accounted for as
a reverse acquisition. Under the accounting rules for a reverse acquisition,
Edisto E&P is considered the acquiring entity and Convest is considered the
acquired entity. As a result, Edisto E&P's historical financial statements
became the historical financial statements of Convest and the purchase price was
allocated to the assets and liabilities of Convest based on their respective
fair values at the acquisition date.
 
     Edisto accounted for the Convest Transaction using the purchase method of
accounting. Edisto's Consolidated Statement of Operations for the year ended
December 31, 1995 includes the results of operations for Convest as if Convest
was consolidated beginning January 1, 1995. However, the share of the Convest
loss attributable to the interest not owned by Edisto prior to the date of the
Convest Transaction has been added back as a preacquisition loss in the
accompanying Consolidated Statement of Operations for such period. Periods prior
to January 1, 1995 have not been restated to include the Convest results of
operations, and therefore are not comparable to the 1995 results of operations.
 
SENSOR PROPERTIES ACQUIRED BY CONVEST
 
     On May 1, 1995 and June 14, 1995, prior to the closing of the Convest
Transaction, Edisto E&P and Convest acquired from Sensor Oil & Gas, Inc.
("Sensor") certain oil and gas properties located in Kansas, Oklahoma and
Nebraska (the "Sensor Properties"). The aggregate purchase price was $7.4
million plus the assumption of approximately $250,000 of net liabilities
primarily related to real estate taxes. Additionally, Edisto E&P and Convest
incurred approximately $332,000 of aggregate transaction costs in connection
with the purchase. Since Edisto E&P and Convest each acquired identical
interests in the Sensor Properties, the purchase of such properties did not
affect the purchase price of the Convest Transaction.
 
<PAGE>   12
 
                          EDISTO RESOURCES CORPORATION
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
(4) CONSOLIDATING BALANCE SHEETS
 
     Set forth below are the Consolidating Balance Sheets of Edisto and its
consolidated subsidiary, Convest, at December 31, 1996.
 
                          CONSOLIDATING BALANCE SHEETS
                               DECEMBER 31, 1996
                                 (IN THOUSANDS)
 
<TABLE>
<CAPTION>
                                                                                        CONSOLIDATED
                                                EDISTO(1)    CONVEST    ELIMINATIONS       EDISTO
                                                ---------    -------    ------------    ------------
<S>                                             <C>          <C>        <C>             <C>
ASSETS:
  Cash and cash equivalents...................  $ 68,087     $ 4,011      $     --        $ 72,098
  Margin deposits.............................        --         979            --             979
  Accounts receivable.........................     1,996       8,506          (667)          9,835
  Other current assets........................       259       1,288            --           1,547
                                                --------     -------      --------        --------
          Total current assets................    70,342      14,784          (667)         84,459
                                                --------     -------      --------        --------
  Property and equipment, net.................        76      54,724            --          54,800
                                                --------     -------      --------        --------
  Investment in Convest.......................    32,288          --       (32,288)             --
                                                --------     -------      --------        --------
  Other assets................................        24       2,704          (550)          2,178
                                                --------     -------      --------        --------
                                                $102,730     $72,212      $(33,505)       $141,437
                                                ========     =======      ========        ========
LIABILITIES AND EQUITY:
  Accounts payable............................  $  1,320     $ 9,187      $   (667)       $  9,840
  Accrued liabilities and other...............     3,822       6,041            --           9,863
  Deferred revenue............................        --       2,113            --           2,113
                                                --------     -------      --------        --------
          Total current liabilities...........     5,142      17,341          (667)         21,816
                                                --------     -------      --------        --------
  Long-term debt..............................        --       4,003            --           4,003
  Minority interest...........................        --          --        10,850          10,850
  Other noncurrent liabilities................       315       7,730            --           8,045
                                                --------     -------      --------        --------
          Total long-term liabilities.........       315      11,733        10,850          22,898
                                                --------     -------      --------        --------
  Stockholders' equity........................    97,273      43,138       (43,688)         96,723
                                                --------     -------      --------        --------
                                                $102,730     $72,212      $(33,505)       $141,437
                                                ========     =======      ========        ========
</TABLE>
 
- ---------------
 
(1) Includes Edisto and its wholly owned subsidiaries.
 
(5) HEDGING ACTIVITIES
 
     As previously stated, Convest conducts its hedging activities through major
financial institutions. Set forth below is the contract amount and term of all
futures contracts held for price risk management purposes by Convest at December
31, 1996 and 1995:
 
<TABLE>
<CAPTION>
                                          1996                      1995
                                 ----------------------    -----------------------
                                   OIL          GAS           OIL          GAS
                                 --------    ----------    ---------    ----------
<S>                              <C>         <C>           <C>          <C>
Quantity Sold..................  90 Mbbls    3,300 Mmcf    285 MBbls    8,220 MMcf
Maximum Term...................  9 Months    10 Months     11 Months    10 Months
Average Price..................   $22.50       $2.53        $17.23        $1.86
</TABLE>
 
<PAGE>   13
 
                          EDISTO RESOURCES CORPORATION
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
     At December 31, 1996, Convest had hedged approximately 10% and 27% of its
projected 1997 oil and gas production, respectively. Convest will continue its
hedging activities during 1997 in order to mitigate the volatility of its crude
oil and natural gas prices. Gains and losses realized upon the settlement of
Convest's hedge positions are deferred and recognized as oil and gas sales
revenue in the month of the underlying physical production being hedged.
Convest's losses from hedging were $7.8 million and $421,000 during 1996 and
1995, respectively. The fair value of Convest's open positions at December 31,
1996 was $728,230. The fair value of the Company's hedges was based on the cost
that would have been incurred to buy out those hedges in a loss position and the
consideration that would have been received to terminate those hedges in a gain
position. The cash margin required by the counterparts to Convest's hedging
activities totaled $1.0 and $5.1 million as of December 31, 1996 and 1995,
respectively, and are included in margin deposits.
 
(6) RELATED PARTY TRANSACTIONS
 
     As described in Note 3 herein, Edisto and Convest consummated the Convest
Transaction on June 26, 1995. As also described in Note 3, Edisto E&P and
Convest purchased the Sensor Properties in May and June 1995.
 
     In the Convest Transaction, Edisto retained the tax benefits of the net
operating loss carryforwards ("NOL's") of Edisto E&P. The tax benefits included
a $3.3 million NOL usable for regular taxable income and a $3.6 million NOL
usable for alternative minimum taxable income. Convest determined that the use
of these NOLs would reduce Convest's taxes for 1995 by approximately $437,000.
In addition, based on projections of Convest's future taxable income, Convest
determined that the remaining NOLs of Edisto E&P would be a valuable asset that
could be utilized by Convest in the future. Accordingly, Edisto allowed Convest
to utilize the NOLs of Edisto E&P in consideration for the payment by Convest of
$550,000.
 
     Since January 1995, Convest has had a gas marketing arrangement with Energy
Source, Inc. ("Energy Source"), which until December 1996 was a wholly-owned
subsidiary of Edisto. Under this arrangement, Energy Source markets a
substantial portion of Convest's gas production and assumes certain related
administrative functions. Energy Source marketed approximately 84% of Convest's
1996 gas production. During 1996, Convest received a minimum price of 98% of the
index price for the applicable pipeline. Under the agreement, Energy Source
takes title to the gas before reselling it, thereby creating an account
receivable from Energy Source for the sold gas. At December 31, 1996, the
account receivable from Energy Source was $3.6 million, which is included in
"Accounts Receivable" on the Consolidated Balance Sheet. Convest sells such gas
to Energy Source on open credit without requiring a letter of credit or other
security.
 
     In December 1996, Energy Source was sold by Edisto to an unrelated third
party. See Note 2 -- "Discontinued Operations" for a description of this
transaction. In connection with the sale, Convest and Energy Source agreed to
extend the gas marketing agreement to December 31, 1997 and to increase the
minimum price from 98% to 100% of the index price for the applicable pipeline.
 
     Prior to the sale of Energy Source, Edisto had provided Convest with access
to an AS400 computer system to run its accounting system and had provided MIS
support. The monthly cost to Convest was approximately $12,555 per month. In
connection with the sale of Energy Source, Edisto sold the AS400 computer system
and its MIS personnel became employees of the purchaser of Energy Source. Since
Convest continued to need an AS400 computer system to run its accounting system,
the Energy Source purchaser agreed to provide Convest with access to the AS400
computer system and MIS support through December 31, 1997. The cost to Convest
is $12,645 per month. This agreement may be terminated by Convest at any time
after June 30, 1997 upon 90 days notice.
 
     Energy Source executes trades of futures contracts on the New York
Mercantile Exchange on behalf of Convest. In this regard, Energy Source acts
solely in a ministerial capacity to purchase or sell the futures contracts at
price levels directed by Convest's management. Energy Source charges a
commission of $.0025
<PAGE>   14
 
                          EDISTO RESOURCES CORPORATION
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
per Mcf of gas or barrel of crude oil for each trade executed to cover Energy
Source's administrative costs to perform such service.
 
     Edisto and Convest have a directors' and officers' fiduciary insurance
policy that covers both companies. The annual insurance premium was allocated
68% to Edisto, for a cost of $204,000, based on the relative percentage that the
total assets of Edisto bear to the total assets of both Edisto and Convest.
 
     Each of the affiliated party transactions described above was approved by
either a special committee of the Convest Board, which was composed of outside
directors with no affiliation to Edisto, or the unanimous consent of the Convest
Board.
 
     Effective July 1, 1995, the Company and Convest agreed to share certain
administrative costs to reduce the overall cost that would otherwise be incurred
by each of them in the absence of such an arrangement. Under the arrangement,
certain costs associated with shareholder communication services and certain
administrative staff who perform duties on behalf of both entities are shared by
Edisto and Convest based on their respective utilization. In addition, the
salary of Michael Y. McGovern, who serves as the Chairman and Chief Executive
Officer of Edisto and Convest is apportioned equally between the two entities.
Edisto and Convest may enter into additional cost sharing arrangements in the
future.
 
(7) LONG-TERM DEBT
 
     Long-term debt consisted of the following (in thousands):
 
<TABLE>
<CAPTION>
                                                             DECEMBER 31,    DECEMBER 31,
                                                                 1996            1995
                                                             ------------    ------------
<S>                                                          <C>             <C>
Convest Credit Agreement...................................     $4,000         $19,175
Capital leases.............................................         --             175
Other......................................................          3               8
                                                                ------         -------
          Total debt.......................................      4,003          19,358
Less current maturities....................................         --          (1,723)
                                                                ------         -------
                                                                $4,003         $17,635
                                                                ======         =======
</TABLE>
 
CONVEST ENERGY CORPORATION CREDIT AGREEMENT
 
     On June 26, 1995, simultaneous with the closing of the Convest Transaction,
Convest entered into an Amended and Restated Secured Revolving Credit Agreement
(the "Agreement") with Bank One, Texas, N.A. ("Bank One"), and Compass
Bank-Houston. This facility, which terminates January 1, 1999, combined the
existing credit facilities of Convest and Edisto E&P. Bank One serves as agent
bank of the Agreement. The Agreement is secured by a first lien on all of
Convest's assets, including its oil and gas properties and gas plant. The
borrowing base is redetermined semi-annually on May 31 and November 30 of each
year by the lending banks based on engineering criteria established by the
banks. Interest on borrowings under the Agreement is computed at (i) the agent
bank's prime lending rate (the "Base Rate") plus 3/4% or (ii) the London Inter
Bank Offering Rate ("LIBOR") plus 2 3/4%. In addition, Convest pays a commitment
fee equal to  1/2% on any commitment amount in excess of outstanding borrowings.
 
     The Agreement contains certain covenants regarding Convest's consolidated
net worth and cash flow to debt service. In addition, the Agreement places
certain limitations on Convest's ability to incur certain types of additional
debt.
 
     During December 1996, Convest was notified by its lending banks that its
redetermined borrowing base was $19.2 million effective December 1, 1996 and
will reduce by $1.0 million monthly beginning January 1, 1997 based on the
lending banks estimate of production. As of December 31, 1996 and 1995, Convest
had outstanding borrowing under its credit facility totaling $4.0 million and
$19.2 million, respectively. In addition,
 
<PAGE>   15
 
                          EDISTO RESOURCES CORPORATION
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
Convest had an additional $200,000 of letters of credit outstanding at December
31, 1996, primarily related to performance bonds issued for oil and gas
operations. As of December 31, 1996, all of Convest's outstanding borrowings
were subject to Base Rate interest at an effective rate of 9% per annum.
 
(8) COMMON STOCK AND STOCK OPTIONS
 
     The Company's Common Stock has a par value of $.01 per share. At December
31, 1996, there were 50,000,000 shares authorized, of which 13,930,052 shares
were issued. Treasury stock held by the Company at such date was 52,214 shares.
 
     In December 1995, the Company's Board of Directors authorized the Company
to repurchase up to 1,000,000 shares of Edisto's Common Stock. In the first
quarter of 1996, the Company repurchased 28,500 shares. At March 14, 1997, the
Company had 14,034,674 issued and outstanding shares of Common Stock.
 
     In 1993, the Company adopted the 1993 Stock Option Plan and the 1993
Director Stock Option Plan. The aggregate number of shares that may be issued
under options granted under these plans is 1,200,000 shares for the 1993 Stock
Option Plan and 150,000 shares for the 1993 Director Stock Option Plan. The
following table summarizes the activity in options under the 1993 Stock Option
Plan and the 1993 Director Stock Option Plan:
 
<TABLE>
<CAPTION>
                                      1996                 1995                 1994
                               ------------------   ------------------   -------------------
                                         WEIGHTED             WEIGHTED              WEIGHTED
                                         AVERAGE              AVERAGE               AVERAGE
                                         EXERCISE             EXERCISE              EXERCISE
                               SHARES     PRICE     SHARES     PRICE      SHARES     PRICE
                               -------   --------   -------   --------   --------   --------
<S>                            <C>       <C>        <C>       <C>        <C>        <C>
Outstanding,
  Beginning of year..........  696,002    $6.38     397,806    $6.29      284,000    $9.75
  Granted....................  138,890     8.88     339,067     6.27      391,806     6.23
  Exercised..................  (27,286)    6.39          --       --           --       --
  Canceled...................  (90,139)    6.18     (40,871)    6.24     (278,000)    9.75
                               -------              -------              --------
  End of year................  717,467    $6.79     696,002    $6.38      397,806    $6.29
                               -------              -------              --------
Exercisable, end of year.....  595,133    $6.89     111,712    $6.92        2,000    $9.75
Weighted average fair value
  of options granted.........  $  1.73              $  1.53
</TABLE>
 
     Edisto applies Accounting Principles Board (APB) Opinion 25 and related
interpretations in accounting for its stock option plans. In accordance with APB
Opinion 25, no compensation expense has been recognized for stock options
granted for the years 1996, 1995 and 1994. Had compensation costs for these
plans been determined based on the fair value for awards under those plans,
consistent with the method of Statement of Financial Accounting Standards No.
123 ("SFAS 123") "Accounting for Stock-Based Compensation," Edisto's net income
and earnings per share would have been as follows:
 
<TABLE>
<CAPTION>
                                                                1996         1995
                                                              ---------    ---------
                                                              (IN THOUSANDS, EXCEPT
                                                                PER SHARE AMOUNTS)
<S>                                                           <C>          <C>
Net Income/(Loss)
  As Reported...............................................    $20,154      $(6,597)
  Pro Forma.................................................     19,171       (7,132)
Earnings Per Share
  As Reported...............................................    $  1.49      $ (0.51)
  Pro Forma.................................................    $  1.42      $ (0.55)
</TABLE>
 
<PAGE>   16
 
                          EDISTO RESOURCES CORPORATION
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
     The fair value of each option grant is estimated on the date of grant using
the Black-Scholes option pricing model with the following weighted average
assumptions used for grants in 1996 and 1995, respectively: risk-free interest
rates of 5.49% and 5.85%; expected lives of one year and two years; expected
volatility of 43.51% and 34.87%. No dividends are expected. The pro forma
amounts above include approximately $700,000 and $25,000 of compensation expense
for 1996 and 1995, respectively, which relate to Convest's stock option plan,
had grants related to Convest's plan been recorded at fair value.
 
     574,351 of the 717,467 options outstanding at December 31, 1996 have
exercise prices between $6.00 and $6.75 with a weighted average exercise price
of $6.22. 455,017 of these options are exercisable. The remaining 143,116 option
have exercise prices between $7.33 and $10.69 with a weighted average exercise
price of $9.08. 128,116 of these options are exercisable; their weighted average
exercise price is $9.25. As a result of the sale of the gas marketing
operations, completed on December 10, 1996, virtually all options, other than
those held by Directors of the Company and the Chairman of the Company, vested
upon closing of the sale and have a remaining contractual life of one year.
 
(9) PROPERTY SALES
 
1996 ASSET SALES
 
     In April 1996, Edisto sold its 11% interest in the Zarat Permit offshore of
Tunisia for $1.4 million which resulted in a gain of approximately $0.3 million.
This was Edisto's last remaining international oil and gas property.
 
     In mid-January 1996, Convest completed the sale of an offshore oil and gas
property for sale proceeds of approximately $2.0 million, which resulted in a
gain of approximately $620,000. In addition, Convest sold several other
nonstrategic oil and gas properties during 1996 for aggregate sale proceeds of
approximately $991,000 which resulted in a gain of approximately $619,000.
 
1994 ASSET SALES
 
     During 1994, Edisto E&P sold its interest in two areas of its Gulf Coast
oil and gas properties. The sales price for the combined properties was
approximately $9.4 million, and the net gain on the sales was approximately $4.7
million. The properties sold were estimated to have reserves of approximately 8
Bcf, one-half of which were undeveloped and would have required significant
capital resources to develop for production. The amount of assets sold did not
exceed 10% of the total assets of the Company so the pro forma effect of these
sales is not presented.
 
(10) FAIR VALUE OF FINANCIAL INSTRUMENTS
 
     The following methods and assumptions were used to estimate the fair value
of each class of financial instruments for which it is practicable to estimate
that value. Changes in the assumptions or estimation methodologies may have a
material effect on these estimated fair values.
 
CASH AND CASH EQUIVALENTS
 
     The fair value approximates carrying value because of the short maturity of
these investments.
 
BANK DEBT
 
     The fair value approximates carrying value based on floating interest rates
associated with such debt or on recent negotiations with lending institutions.
 
HEDGING
 
     See Note 5 -- "Hedging Activities" herein for a description of Convest's
hedging activities.
 
<PAGE>   17
 
                          EDISTO RESOURCES CORPORATION
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
OTHER
 
     The carrying amount approximates fair value based on the short maturity of
these instruments.
 
(11) INCOME TAXES
 
     The Company accounts for income taxes in accordance with the provisions of
SFAS 109 which requires that deferred tax assets and liabilities be recorded for
temporary differences between the financial statement and tax bases of assets
and liabilities using the currently enacted tax rate expected to be in effect
when the taxes are actually paid.
 
     The provision for income taxes for the years ended December 31, 1996, 1995
and 1994 consists of the following (in thousands):
 
<TABLE>
<CAPTION>
                                                                  YEAR ENDED
                                                  ------------------------------------------
                                                  DECEMBER 31,   DECEMBER 31,   DECEMBER 31,
                                                      1996           1995           1994
                                                  ------------   ------------   ------------
<S>                                               <C>            <C>            <C>
Current
  Federal.......................................      $142           $347           $ --
  State.........................................       245            259            147
                                                      ----           ----           ----
Income tax provision............................      $387           $606           $147
                                                      ====           ====           ====
</TABLE>
 
     A reconciliation of the Company's effective tax rate to the statutory tax
rate follows:
 
<TABLE>
<CAPTION>
                                                 YEAR ENDED      YEAR ENDED      YEAR ENDED
                                                DECEMBER 31,    DECEMBER 31,    DECEMBER 31,
                                                    1996            1995            1994
                                                ------------    ------------    ------------
<S>                                             <C>             <C>             <C>
Federal statutory rate........................       34%            (34)%            34%
Foreign tax provision.........................       --              --              --
State tax provision...........................        4              10               2
Utilization of net deferred tax asset.........      (34)             --             (34)
Tax benefit reserved..........................       --              34              --
Federal alternative minimum tax...............        2              14              --
                                                    ---             ---             ---
Effective rate................................        6%             24%              2%
                                                    ===             ===             ===
</TABLE>
 
     Temporary differences and carryforwards, which give rise to deferred income
tax assets and liabilities, consist of the following (in thousands):
 
<TABLE>
<CAPTION>
                                                                  DECEMBER 31,
                                                              --------------------
                                                                1996        1995
                                                              --------    --------
<S>                                                           <C>         <C>
Deferred tax liabilities....................................  $   (127)   $     --
Deferred tax assets:
  Net operating loss carryforwards..........................    36,396      49,304
  Tax credit carryforwards..................................       410          --
  Property and equipment differences........................       724       2,008
  Abandonment reserves......................................        --       1,456
  Other.....................................................     1,013       2,618
                                                              --------    --------
          Total.............................................    38,543      55,386
Valuation Allowance.........................................   (38,416)    (55,386)
                                                              --------    --------
Net deferred tax asset (liability)..........................  $     --    $     --
                                                              ========    ========
</TABLE>
 
     At December 31, 1996 and 1995, the Company recognized valuation allowances
for the net deferred tax assets including net operating loss carryforwards for
which the Company believes it is more likely than not that the assets are not
realizable.
 
<PAGE>   18
 
                          EDISTO RESOURCES CORPORATION
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
     At December 31, 1996, the Company had consolidated net operating loss
carryforwards of approximately $137 million for regular tax purposes and $96
million for alternative minimum tax reporting purposes. These carryforwards
expire (if not utilized) in the years 2005 to 2010.
 
     Due to a change of more than 50% of ownership in the Company that occurred
on the effective date of the Plan of Reorganization, the Company's ability to
utilize its existing net operating losses to offset future taxable income became
significantly limited under Section 382 of the Internal Revenue Code of 1986, as
amended (the "Code"). The Company will be able to utilize approximately $6.1
million of its net operating loss carryforwards each year for the next 15 years.
To the extent gains are recognized subsequent to the reorganization, which
constitute built-in gains within the meaning of Section 382(h) of the Code, the
annual limitation may be increased to the extent of a portion or all of such
gains recognized.
 
(12) COMMITMENTS AND CONTINGENCIES
 
LITIGATION
 
     Bruce W. McConkey, et al v. James R. McNab, Jr., et al. (Cause No.
93-002587 in the 125th District Court of Harris County, Texas). In January 1993,
Bruce W. McConkey and two other shareholders of MINT, who collectively hold 20%
of the outstanding MINT common stock, filed a lawsuit against Edisto, MINT and
certain of its former directors who were former officers of Edisto. The lawsuit,
among other things, (i) alleges that MINT constructively terminated Mr.
McConkey's employment as the President and CEO of MINT, thereby breaching his
employment agreement; (ii) alleges that certain directors of MINT breached their
fiduciary duties to the plaintiffs, in their capacity as minority shareholders,
and (iii) asserts derivative claims on behalf of MINT against certain directors
for alleged mismanagement of MINT. The plaintiffs seek actual damages in an
unspecified amount, punitive damages and attorney's fees. In October 1996, the
trial court granted an interlocutory summary judgment in favor of Edisto, MINT
and the individual defendants on all claims other than the claim against MINT
that it constructively terminated Mr. McConkey's employment. Based on
developments of the case to date, the Company's management does not believe the
outcome of this lawsuit will have a material adverse effect on the Company's
consolidated financial position.
 
     Panhandle Eastern Pipe Line Company v. Energy Source, Inc. (Cause No.
96-60925 in the 152nd District Court of Harris County, Texas). The lawsuit,
which was filed in December 1996, relates to (i) a contract dispute involving
approximately $1.5 million in disputed Annual Revenue Amount and other charges
which PanEnergy and Panhandle Eastern claim are owed by Energy Source under two
gas transportation agreements between the companies, (ii) a claim by Energy
Source that PanEnergy over billed Energy Source by approximately $1.0 million
for services under such transportation contracts which PanEnergy has refused to
refund, (iii) $216,000 in gas balancing penalties paid by Energy Source under
protest for which Edisto is seeking a refund, (iv) a claim by Energy Source
under Texas antitrust laws that PanEnergy exerted unlawful monopoly power and
engaged in anticompetitive conduct to the detriment of Energy Source, and (v) a
claim by Energy Source that PanEnergy tortiously interfered with a prospective
contractual relationship between Energy Source and its largest customer at that
time. Edisto believes that it has meritorious defenses to PanEnergy's claims and
plans to vigorously assert such defenses and its counterclaims against PanEnergy
in the lawsuit. Based on developments of the case to date, the Company's
management does not believe the outcome of this lawsuit will have a material
adverse effect on the Company's consolidated financial position.
 
     Potential Retained Liabilities from Sale of Gas Marketing Operations. As a
condition to the sale of the natural gas marketing operations in December 1996,
Edisto retained the rights and liabilities associated with the gas purchase and
supply contracts with three of Energy Source's Canadian trading partners. Each
of these trading partners defaulted under their contracts and sought protection
under Canadian bankruptcy laws. Edisto is pursuing its claims in these matters.
 
<PAGE>   19
 
                          EDISTO RESOURCES CORPORATION
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
LEASE COMMITMENTS
 
     Minimum future payments under operating leases are $275,000 during 1997,
$21,000 during 1998, $10,000 during 1999, $4,000 during 2000 and zero
thereafter.
 
(13) RESTRUCTURING ITEMS
 
     Restructuring expense in 1994 includes the costs of the Company's
implementation of a restructuring and consolidation plan. Thirty-one (31)
employees who were involved primarily in corporate administration and
exploration and production operations in the Dallas office were laid off as part
of the Company's restructuring and its associated move to Houston, Texas.
Pursuant to this plan, Edisto recorded the following restructuring expenses at
December 31, 1994 (in thousands):
 
<TABLE>
<S>                                                           <C>
Consolidation of office space requirements..................  $1,821
Reduction in workforce......................................     863
                                                              ------
                                                              $2,684
                                                              ======
</TABLE>
 
     The liability remaining under the Company's restructuring plan as of
December 31, 1996 and 1995, relates to the consolidation of the Company's office
lease requirements. As of December 31, 1996 and 1995, the Company had made
payments totaling $1.9 million and $1.5 million associated with its
restructuring plan, respectively. These payments were applied to the total
restructuring liability of $2.7 million. The current portion of the
restructuring liability was $538,000 and $619,000 as of December 31, 1996 and
1995, respectively. The current portion of the restructuring liability is
included in "Accrued Liabilities and Other" and the long-term portion is
included in "Other Noncurrent Liabilities."
 
(14) EMPLOYEE BENEFITS
 
     Edisto has an Employee Profit Sharing Retirement Plan and Trust which is
available to all full-time employees of Edisto and certain of its affiliates.
Under the terms of the Plan, an employee may contribute up to a maximum of 15%
of their pre-tax annual compensation and Edisto will make matching contributions
to the account of the participant equal to 6% of the participant's annual
compensation up to a maximum limit of $1,864 per year. In addition, the Board of
Directors of Edisto may determine, on a year-by-year basis, to contribute an
additional amount which would be allocated to participating employees based on
their relative compensation. During 1996, Edisto made matching contributions of
$117,377 and additional contributions of $159,235. During 1995, Edisto made
matching contributions of $103,625 and additional contributions of $140,016.
During 1994, Edisto made matching contributions of $147,545 and additional
contributions of $226,744.
 
     In connection with the sale of the gas marketing operations on December 10,
1996 (see Note 2 -- "Discontinued Operations"), all of the employees of Edisto,
other than the Chairman of Edisto, became employees of the purchaser. Since
Edisto no longer has any active employees, the Edisto Board of Directors on
December 31, 1996 approved terminating the Plan. This termination is expected to
occur by the end of 1997.
 
     During 1995, Convest maintained a plan qualified under Section 401(k) of
the Internal Revenue Code (the "Plan"). All qualified employees of Convest were
entitled to participate in the Plan upon completion of twelve months of service.
Effective, January 1, 1994, a participant could contribute up to 15% of their
compensation to the Plan on a pre-tax basis and Convest contributed matching
contributions to the account of the participant equal to 75% of the
participant's contribution, not to exceed 4.5% of the participant's
compensation. Contributions by Convest vested over five years of service at a
rate of 20% per year. During 1995, Convest made matching contributions of
approximately $70,000 in accordance with the Plan.
 
<PAGE>   20
 
                          EDISTO RESOURCES CORPORATION
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
     During December 1995, Convest amended and restated the Plan effective
January 1, 1996. Under the amended Plan, all qualified employees of Convest are
entitled to participate, regardless of time of service with Convest; however, a
new entrant to the Plan may only do so on January 1 and July 1. Under the terms
of the Plan, an employee may contribute up to a maximum of 15% of their pre-tax
annual compensation and Convest will make matching contributions to the account
of the participant equal to 6% of the participant's annual compensation up to a
maximum limit of $1,864 per year. In addition, the Board of Directors may
determine, on a year-by-year basis, to contribute an additional amount which
would be allocated to participating employees based on their relative
compensation. During 1996, Convest made matching contributions of $178,000.
 
(15) CONVEST OIL AND GAS RESERVES INFORMATION (UNAUDITED)
 
     The provisions of Statement of Financial Accounting Standards No. 69
require the disclosure of the following information relative to Convest's oil
and gas reserves and producing activities.
 
<TABLE>
<CAPTION>
                                                                 YEAR ENDED DECEMBER 31,
                                                             --------------------------------
                                                               1996        1995        1994
                                                             --------    --------    --------
                                                                      (IN THOUSANDS)
<S>                                                          <C>         <C>         <C>
CAPITALIZED COSTS RELATING TO OIL AND GAS PRODUCING
  ACTIVITIES
  Proved oil and gas properties............................  $114,063    $110,373    $ 66,617
  Unproved oil and gas properties..........................     3,244       3,828         997
                                                             --------    --------    --------
                                                              117,307     114,201      67,614
  Accumulated depreciation, depletion and amortization.....   (62,847)    (50,144)    (29,289)
                                                             --------    --------    --------
  Net capitalized costs....................................  $ 54,460    $ 64,057    $ 38,325
                                                             ========    ========    ========
COSTS INCURRED IN OIL AND GAS PROPERTY ACQUISITION,
  EXPLORATION AND DEVELOPMENT ACTIVITIES
  Acquisition of producing properties and leasehold costs:
     Proved................................................  $    163    $  3,069    $     15
     Unproved..............................................        --          --          17
  Reverse Acquisition of Convest...........................        --      40,935          --
  Exploratory drilling costs...............................     3,907          --         210
  Development drilling costs...............................     9,249       6,406       3,812
                                                             --------    --------    --------
                                                             $ 13,319    $ 50,410    $  4,054
                                                             ========    ========    ========
</TABLE>
<PAGE>   21
 
                          EDISTO RESOURCES CORPORATION
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
UNAUDITED RESERVE QUANTITY INFORMATION
 
     The following table sets forth the estimates of Convest's share of net
quantities of proved reserves of oil and gas and a reconciliation of the changes
in such quantities, developed or audited by independent petroleum engineers in
accordance with guidelines established by the Securities and Exchange Commission
and the Financial Accounting Standards Board. Convest emphasizes that reserve
quantity estimates are inherently imprecise. Accordingly, these estimates are
expected to change as future information becomes available. Changes in reserve
quantities or prices and costs in future reserve estimates could have a
significant effect on future depreciation, depletion and amortization or
impairments of oil and gas properties. All reserves are located in the United
States.
 
<TABLE>
<CAPTION>
                                                               OIL AND
                                                              CONDENSATE    NATURAL GAS
                                                               (MBBLS)        (MMCF)
                                                              ----------    -----------
<S>                                                           <C>           <C>
Proved reserves, December 31, 1993..........................     1,012         59,340
  Revisions of previous estimates...........................       220         10,134
  Sales of minerals in place................................       (11)        (7,236)
  Extensions, discoveries and other additions...............        --             --
  Production................................................      (584)       (19,295)
                                                                ------        -------
Proved reserves, December 31, 1994..........................       637         42,943
  Revision of previous estimates............................       872         (5,797)
  Sale of minerals in place.................................       (50)          (133)
  Reverse acquisition of Convest............................     5,474         17,509
  Acquisition of Sensor Properties (a)......................       756            172
  Extensions, discoveries and other additions...............       140          3,820
  Production................................................    (1,306)       (17,968)
                                                                ------        -------
Proved reserves, December 31, 1995..........................     6,523         40,546
  Revisions of previous estimates...........................       889          5,757
  Sales of minerals in place................................      (341)        (2,105)
  Extensions, discoveries and other additions...............       296          6,546
  Production................................................    (1,023)       (13,162)
                                                                ------        -------
Proved reserves, December 31, 1996..........................     6,344         37,582
                                                                ======        =======
Proved developed reserves:
  December 31, 1993.........................................       949         49,111
  December 31, 1994.........................................       607         42,540
  December 31, 1995.........................................     5,818         39,231
  December 31, 1996.........................................     5,493         35,075
</TABLE>
 
- ---------------
 
(a) Reserve additions associated with the Sensor Properties acquisition
    represents only the reserves associated with Edisto E&P's interest as
    Convest's interest in the Sensor Properties was considered to have been
    acquired by Edisto E&P in the Edisto Transaction.
 
<PAGE>   22
 
                          EDISTO RESOURCES CORPORATION
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
UNAUDITED STANDARDIZED MEASURE OF DISCOUNTED FUTURE NET CASH FLOWS AND CHANGES
THEREIN RELATING TO PROVED OIL AND GAS RESERVES
 
     The following table presents the standardized measure of discounted future
net cash flows and changes therein relating to proved oil and gas reserves
pursuant to Securities and Exchange Commission Regulation S-X, Rule 4-10 and
Statement of Financial Accounting Standards No. 69. In computing this data,
assumptions other than those required by the Securities and Exchange Commission
and the Financial Accounting Standards Board could produce different results.
Accordingly, the data may not be construed as representative of the fair market
value of Convest's proved oil and gas reserves.
 
     Future cash flow estimates were derived by applying year-end prices and
costs to estimated future production. Convest's gas production is either sold at
fixed prices contracted for with given purchasers or at prevailing spot market
prices. Future production and development costs were computed by estimating the
expenditures to be incurred in developing and producing the proved oil and gas
reserves, based on year-end costs and continued existing economic conditions.
The standardized measure of discounted future net cash flows represents the
present value of estimated future net cash flows, discounted at a rate of 10%
per year.
 
     Numerous uncertainties are inherent in estimating quantities of proved
reserves, projecting future rates of production and the timing of development
expenditures. Future prices received for such production and future production
costs may vary, perhaps significantly, from the prices and costs assumed for
purposes of these estimates. Estimates of economically recoverable oil and gas
reserves and of the future net revenues therefrom are based upon a number of
variable factors and assumptions, all of which may in fact vary considerably
from actual results. All such estimates are to some degree speculative, and
classifications of reserves are only attempts to define the degree of
speculation involved. Convest emphasizes that the actual production, revenues,
severance and excise taxes, development expenditures and operating expenditures
with respect to its reserves will likely vary from such estimates, and such
variances may be material.
 
<TABLE>
<CAPTION>
                                                                      AT DECEMBER 31,
                                                              --------------------------------
                                                                1996        1995        1994
                                                              ---------   ---------   --------
                                                                       (IN THOUSANDS)
<S>                                                           <C>         <C>         <C>
Future cash inflows.........................................  $ 310,591   $ 214,687   $ 79,331
Future production and development costs.....................   (117,030)   (116,343)   (48,733)
Future income taxes.........................................    (33,366)     (2,925)        --
                                                              ---------   ---------   --------
Future net cash flows.......................................    160,195      95,419     30,598
10% annual discount for estimated timing....................    (38,841)    (23,452)    (3,143)
                                                              ---------   ---------   --------
Standardized measure of discounted future net cash flows....  $ 121,354   $  71,967   $ 27,455
                                                              =========   =========   ========
Beginning of period.........................................  $  71,967   $  27,455   $ 75,020
  Changes resulting from:
     Sales of oil and gas produced, net of production
       costs................................................    (32,360)    (32,763)   (34,559)
     Net changes in prices and production costs.............     55,216       9,443    (26,666)
     Extensions and discoveries, less related costs.........     23,442       8,601         --
     Reverse acquisition of Convest.........................         --      53,102         --
     Acquisition of Sensor Properties(a)....................         --       4,838         --
     Sales of reserves in place.............................     (4,091)       (519)    (8,434)
     Revisions of previous quantity estimates...............     23,015        (622)     9,809
     Accretion of discount..................................      7,197       2,746      7,502
     Changes in future development costs....................        (24)      1,905      3,379
     Net change in income taxes.............................    (22,181)     (2,509)        --
     Changes in timing and other............................       (827)        290      1,404
                                                              ---------   ---------   --------
End of period...............................................  $ 121,354   $  71,967   $ 27,455
                                                              =========   =========   ========
</TABLE>
 
<PAGE>   23
 
                          EDISTO RESOURCES CORPORATION
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
<TABLE>
<CAPTION>
                                                                      AT DECEMBER 31,
                                                              --------------------------------
                       AVERAGE PRICES                           1996        1995        1994
                       --------------                         ---------   ---------   --------
<S>                                                           <C>         <C>         <C>
Oil (per Bbl)...............................................  $   26.01   $   19.48   $  14.67
Gas (per Mcf)...............................................  $    3.87   $    2.16   $   1.63
</TABLE>
 
- ---------------
 
(a) Discounted future net revenues associated with the Sensor Properties
    acquisition represents only the discounted future net revenues associated
    with Edisto E&P's interest as Convest's interest in the Sensor Properties
    was considered to have been acquired by Edisto E&P in the Edisto
    Transaction.
 
     Subsequent to the reserve valuation date of December 31, 1996, prices for
oil and natural gas have decreased substantially. The average prices received
for February 1997 were $20.75 per barrel and $2.85 per Mcf. Prices have
continued to decline since then so the Company expects that the prices it will
receive in March 1997 will be lower than in the prior month. This decrease in
prices would have had an effect on the Standardized Measure of Discounted Cash
Flows of the Company's proved reserves at January 1, 1997.
 
<PAGE>   24
 
                          EDISTO RESOURCES CORPORATION
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
(16) SELECTED QUARTERLY DATA (UNAUDITED)
 
     The following tables set forth certain quarterly results of operations of
Edisto (in thousands, except per share data):
 
<TABLE>
<CAPTION>
                                        FIRST    SECOND     THIRD    FOURTH    YEAR TO
                                       QUARTER   QUARTER   QUARTER   QUARTER    DATE
                                        1996      1996      1996      1996      1996
                                       -------   -------   -------   -------   -------
<S>                                    <C>       <C>       <C>       <C>       <C>
Revenues.............................  $11,520   $10,513   $11,601   $13,588   $47,222
Operating income (loss)..............    1,013      (401)    1,003     3,048     4,663
Income (loss) from continuing
  operations.........................    1,344       127       464     3,668     5,603
Income (loss) from discontinued gas
  marketing and trading operations...    2,759    (1,287)   (2,170)      (63)     (761)
Gain from discontinued gas marketing
  operations.........................       --        --        --    15,312    15,312
Net income (loss)....................    4,103    (1,160)   (1,706)   18,917    20,154
Net income (loss) per common share:
  Continuing operations..............      .11       .01       .03       .26       .41
  Discontinued operations............      .21      (.10)     (.15)     1.10      1.08
Net income (loss) per common share...      .32      (.09)     (.12)     1.36      1.49
Weighted average common shares
  outstanding........................   12,934    13,440    13,846    13,856    13,496
</TABLE>
 
<TABLE>
<CAPTION>
                                        FIRST    SECOND     THIRD    FOURTH    YEAR TO
                                       QUARTER   QUARTER   QUARTER   QUARTER    DATE
                                        1996      1996      1996      1996      1996
                                       -------   -------   -------   -------   -------
<S>                                    <C>       <C>       <C>       <C>       <C>
Revenues.............................  $13,221   $13,323   $11,786   $13,120   $51,450
Operating income (loss)..............      (26)     (642)      223    (4,514)   (4,959)
Income (loss) from continuing
  operations.........................      (61)     (328)     (349)   (2,436)   (3,174)
Income (loss) from discontinued gas
  marketing and trading operations...   (2,068)    1,033      (106)   (8,663)   (9,804)
Gain from discontinued transmission
  operations.........................    2,557        --        --        --     2,557
Gain from discontinued manufacturing
  operations.........................    3,824        --        --        --     3,824
Net income (loss)....................    4,252       705      (455)  (11,099)   (6,597)
Net income (loss) per common share:
  Continuing operations..............       --      (.03)     (.03)     (.19)     (.25)
  Discontinued operations............      .33       .08      (.01)     (.66)     (.26)
Net income (loss) per common share...      .33       .05      (.04)     (.85)     (.51)
Weighted average common shares
  outstanding........................   12,966    12,966    12,954    12,954    12,954
</TABLE>
 
<PAGE>   25
 
                                                                      SCHEDULE I
 
                 EDISTO RESOURCES CORPORATION (PARENT COMPANY)
 
                            CONDENSED BALANCE SHEETS
                                 (IN THOUSANDS)
 
                                     ASSETS
 
<TABLE>
<CAPTION>
                                                                 DECEMBER 31,
                                                              ------------------
                                                               1996       1995
                                                              -------    -------
<S>                                                           <C>        <C>
Current assets:
  Cash and cash equivalents.................................  $67,626    $18,318
  Accounts receivable.......................................    4,800         69
  Notes receivable from affiliates..........................       --      9,502
  Other.....................................................      380        237
                                                              -------    -------
          Total current assets..............................   72,806     28,126
                                                              -------    -------
Property and equipment
  Other.....................................................       --      1,395
  Less accumulated depreciation.............................       --       (823)
                                                              -------    -------
                                                                   --        572
                                                              -------    -------
Investment in subsidiaries..................................   25,842     41,327
                                                              -------    -------
          Total assets......................................  $98,648    $70,025
                                                              =======    =======
 
                      LIABILITIES AND STOCKHOLDERS' EQUITY
 
Current liabilities:
  Current maturities of long-term debt......................  $    --    $    96
  Accounts payable..........................................      947      1,130
  Accrued liabilities and other.............................      738        619
                                                              -------    -------
                                                                1,685      1,845
                                                              -------    -------
Long-term liabilities:
  Long-term debt, net of current maturities.................       --         80
  Other noncurrent liabilities..............................      240        572
                                                              -------    -------
                                                                  240        652
                                                              -------    -------
Stockholders' equity:
  Common stock..............................................      139        130
  Additional paid-in capital................................   70,675     61,528
  Retained earnings.........................................   26,308      6,154
  Foreign currency translation..............................      (37)       (95)
  Treasury stock............................................     (362)      (189)
                                                              -------    -------
     Total stockholders' equity.............................   96,723     67,528
                                                              -------    -------
                                                              $98,648    $70,025
                                                              =======    =======
</TABLE>
 
    See "Notes to Consolidated Financial Statements" of the Edisto Resources
     Corporation Consolidated Financial Statements included in this report.
 
<PAGE>   26
 
                                                                      SCHEDULE I
                                                                     (CONTINUED)
 
                 EDISTO RESOURCES CORPORATION (PARENT COMPANY)
 
                       CONDENSED STATEMENTS OF OPERATIONS
                                 (IN THOUSANDS)
 
<TABLE>
<CAPTION>
                                                           YEAR ENDED     YEAR ENDED     YEAR ENDED
                                                          DECEMBER 31,   DECEMBER 31,   DECEMBER 31,
                                                              1996           1995           1994
                                                          ------------   ------------   ------------
<S>                                                       <C>            <C>            <C>
Costs and expenses:
  General and administrative............................    $ 1,584        $ 3,628        $   363
  Depreciation and amortization.........................         66            314          2,508
                                                            -------        -------        -------
                                                              1,650          3,942          2,871
                                                            -------        -------        -------
  Operating loss........................................     (1,650)        (3,942)        (2,871)
                                                            -------        -------        -------
Other income (expense):
  Interest income.......................................      1,253          1,197            420
  Minority interest.....................................     (2,190)           726             --
  Other.................................................        407          1,119           (361)
                                                            -------        -------        -------
                                                               (530)         3,042             59
                                                            -------        -------        -------
Income (loss) before equity in income (loss) of
  subsidiaries..........................................     (2,180)          (900)        (2,812)
                                                            -------        -------        -------
Equity in income (loss) of subsidiaries:
  Convest...............................................      8,070         (1,125)        11,366
  MINT..................................................         20            135            339
  Tunisia...............................................        342           (599)            --
  Edisto Gas Storage....................................       (425)           (83)          (132)
                                                            -------        -------        -------
                                                              8,007         (1,672)        11,573
                                                            -------        -------        -------
Income (loss) before income taxes.......................      5,827         (2,572)         8,761
  Income tax provision..................................       (224)          (602)           (26)
                                                            -------        -------        -------
  Income (loss) from continuing operations..............      5,603         (3,174)         8,735
Discontinued operations:
  Loss from gas marketing and trading operations........       (761)        (9,804)        (1,083)
  Loss from transmission operations.....................         --             --           (501)
  Gain on sale of gas marketing and trading
     operations.........................................     15,312             --             --
  Gain on sale of transmission operations...............         --          2,557             --
  Gain on sale of manufacturing operations..............         --          3,824             --
                                                            -------        -------        -------
Net income (loss).......................................    $20,154        $(6,597)       $ 7,151
                                                            =======        =======        =======
</TABLE>
 
    See "Notes to Consolidated Financial Statements" of the Edisto Resources
     Corporation Consolidated Financial Statements included in this report.
 
<PAGE>   27
 
                                                                      SCHEDULE I
                                                                     (CONTINUED)
 
                 EDISTO RESOURCES CORPORATION (PARENT COMPANY)
 
                       CONDENSED STATEMENTS OF CASH FLOWS
                                 (IN THOUSANDS)
 
<TABLE>
<CAPTION>
                                                           YEAR ENDED     YEAR ENDED     YEAR ENDED
                                                          DECEMBER 31,   DECEMBER 31,   DECEMBER 31,
                                                              1996           1995           1994
                                                          ------------   ------------   ------------
<S>                                                       <C>            <C>            <C>
CASH FLOWS FROM OPERATING ACTIVITIES:
  Net income (loss).....................................    $ 20,154       $ (6,597)      $  7,151
  Adjustments to reconcile net income (loss) to net cash
     provided (used) by operating activities:
     Depreciation and amortization......................          66            314             --
     Gain on sales of assets and investments............     (15,312)        (6,381)            --
     Equity in (income) loss of subsidiaries............      (7,246)        11,476         (9,989)
     Restructuring expense..............................          --             --          2,508
     Amortization of goodwill...........................          --             --            206
     Minority interest..................................       2,190           (726)           (69)
     Other..............................................          --             14            100
  Changes in assets and liabilities affecting operating
     activities:
     Accounts receivable................................      (4,225)          (984)         4,351
     Accounts payable...................................        (396)        (1,075)           431
                                                            --------       --------       --------
          Net cash provided (used) by operations........      (4,769)        (3,959)         4,689
CASH FLOWS FROM INVESTING ACTIVITIES:
  Proceeds from sales of property, equipment,
     investments and other assets.......................          --            244             --
  (Advances to) payments from affiliates................       3,134          9,302           (973)
  Acquisition of Enex...................................          --             --           (686)
  Dividends from (contributions to) subsidiaries........      43,293         20,386         (3,137)
  Acquisition of Convest................................        (419)        (7,230)            --
  Other.................................................        (796)          (473)            --
                                                            --------       --------       --------
          Net cash provided (used) by investing
            activities..................................      45,212         22,229         (4,796)
                                                            --------       --------       --------
CASH FLOWS FROM FINANCING ACTIVITIES:
  Stock issue on exercise of warrants and options.......       9,156             --             --
  Repurchase of common shares...........................        (173)            --             --
  Payments of long-term capital leases..................        (176)          (114)            --
  Foreign currency translation..........................          58             57             38
                                                            --------       --------       --------
          Net cash provided (used) by financing
            activities..................................       8,865            (57)            38
Net increase (decrease) in cash and cash equivalents....      49,308         18,213            (69)
Cash and cash equivalents, at beginning of period.......      18,318            105            174
                                                            --------       --------       --------
Cash and cash equivalents, at end of period.............    $ 67,626       $ 18,318       $    105
                                                            ========       ========       ========
</TABLE>
 
    See "Notes to Consolidated Financial Statements" of the Edisto Resources
     Corporation Consolidated Financial Statements included in this report.
 
<PAGE>   28
 
                                                                     SCHEDULE II
 
                          EDISTO RESOURCES CORPORATION
 
                       VALUATION AND QUALIFYING ACCOUNTS
                                 (IN THOUSANDS)
 
<TABLE>
<CAPTION>
                                                  BALANCE AT    CHARGED TO                   BALANCE
                                                  BEGINNING     COSTS AND       OTHER        AT END
                                                  OF PERIOD      EXPENSES     CHANGES(1)    OF PERIOD
                                                  ----------    ----------    ----------    ---------
<S>                                               <C>           <C>           <C>           <C>
Year ended December 31, 1996
Reserves and allowances:
  Accounts receivable...........................    $1,483        $  768       $  (162)      $2,089
  Inventory.....................................        --         2,127            --        2,127
                                                    ------        ------       -------       ------
                                                    $1,483        $2,895       $  (162)      $4,216
                                                    ======        ======       =======       ======
Year ended December 31, 1995
Reserves and allowances:
  Accounts receivable...........................    $1,345        $  163       $   (25)      $1,483
                                                    ======        ======       =======       ======
Year ended December 31, 1994
Reserves and allowances:
  Accounts receivable...........................    $3,031        $   --       $(1,686)      $1,345
  Other.........................................       120            --          (120)          --
                                                    ------        ------       -------       ------
                                                    $3,151        $   --       $(1,806)      $1,345
                                                    ======        ======       =======       ======
</TABLE>
 
- ---------------
 
(1) Primarily reflects write-offs of amounts expensed in previous periods.
 
                                      
<PAGE>   29
 
                          EDISTO RESOURCES CORPORATION
 
                          CONSOLIDATED BALANCE SHEETS
                                 (IN THOUSANDS)
 
<TABLE>
<CAPTION>
                                         ASSETS
                                                               JUNE 30,      DECEMBER 31,
                                                                 1997            1996
                                                              -----------    ------------
                                                              (UNAUDITED)
<S>                                                           <C>            <C>
Current assets:
  Cash and cash equivalents.................................   $ 76,905        $ 71,765
  Restricted cash...........................................        333             333
  Margin deposits...........................................         56             979
  Accounts receivable.......................................      8,472           9,835
  Other current assets......................................        766           1,547
                                                               --------        --------
          Total current assets..............................     86,532          84,459
Property and equipment:
  Oil and gas properties using the successful efforts method
     of accounting..........................................    118,117         117,306
  Other.....................................................        685             641
  Less -- accumulated depreciation, depletion and
     amortization...........................................    (64,148)        (63,147)
                                                               --------        --------
                                                                 54,654          54,800
Other noncurrent assets.....................................      2,095           2,178
                                                               --------        --------
                                                               $143,281        $141,437
                                                               ========        ========
                          LIABILITIES AND STOCKHOLDERS' EQUITY
Current liabilities:
  Accounts payable..........................................   $  7,711        $  9,840
  Accrued liabilities and other.............................      8,075           9,863
  Deferred revenue..........................................      1,905           2,113
                                                               --------        --------
          Total current liabilities.........................     17,691          21,816
Long-term liabilities:
  Long-term debt............................................          3           4,003
  Deferred revenue..........................................        530             559
  Minority interest.........................................     13,996          10,850
  Other noncurrent liabilities..............................      5,556           7,486
                                                               --------        --------
                                                                 20,085          22,898
Commitments and contingencies
Stockholders' equity:
  Common stock, $.01 par value, 50,000,000 shares
     authorized, 14,238,551 issued at June 30, 1997 and
     13,930,052 issued at December 31, 1996.................        142             139
  Additional paid-in capital................................     72,699          70,675
  Retained earnings.........................................     33,063          26,308
  Foreign currency translation..............................        (37)            (37)
  Treasury stock, at cost, 52,214 shares at June 30, 1997
     and December 31, 1996..................................       (362)           (362)
                                                               --------        --------
          Total stockholders' equity........................    105,505          96,723
                                                               --------        --------
                                                               $143,281        $141,437
                                                               ========        ========
</TABLE>
 
      See the accompanying notes to the consolidated financial statements.
 
                                      
<PAGE>   30
 
                          EDISTO RESOURCES CORPORATION
 
                     CONSOLIDATED STATEMENTS OF OPERATIONS
                     (IN THOUSANDS, EXCEPT PER SHARE DATA)
                                  (UNAUDITED)
 
<TABLE>
<CAPTION>
                                                              SIX MONTHS    SIX MONTHS
                                                                ENDED         ENDED
                                                               JUNE 30,      JUNE 30,
                                                                 1997          1996
                                                              ----------    ----------
<S>                                                           <C>           <C>
Oil and gas revenues........................................   $25,917       $22,033
Costs and expenses:
  Lease operating and production taxes......................     6,573         8,502
  Abandonment and exploration costs.........................     1,252           921
  Depreciation, depletion and amortization..................     7,305         9,100
  General and administrative................................     3,168         2,898
                                                               -------       -------
                                                                18,298        21,421
                                                               -------       -------
          Operating income..................................     7,619           612
                                                               -------       -------
Other income (expense):
  Interest income...........................................     2,044           589
  Interest expense..........................................       (72)         (677)
  Gain on asset sales.......................................        87         1,165
  Minority interest.........................................    (2,637)         (379)
  Other, net................................................       (30)          438
                                                               -------       -------
                                                                  (608)        1,136
                                                               -------       -------
Income before income taxes..................................     7,011         1,748
Income tax provisions.......................................      (256)         (277)
                                                               -------       -------
Income from continuing operations...........................     6,755         1,471
                                                               -------       -------
Discontinued operations:
  Income from gas marketing operations......................        --         1,472
                                                               -------       -------
          Net income........................................   $ 6,755       $ 2,943
                                                               =======       =======
Net income per common share:
  Continuing operations.....................................   $   .48       $   .11
  Discontinued operations...................................        --           .12
                                                               -------       -------
  Net income per common share...............................   $   .48       $   .23
                                                               =======       =======
Weighted average common shares outstanding..................    14,019        12,930
                                                               =======       =======
</TABLE>
 
      See the accompanying notes to the consolidated financial statements.
 
                                      
<PAGE>   31
 
                          EDISTO RESOURCES CORPORATION
 
                     CONSOLIDATED STATEMENTS OF OPERATIONS
                     (IN THOUSANDS, EXCEPT PER SHARE DATA)
                                  (UNAUDITED)
 
<TABLE>
<CAPTION>
                                                              THREE MONTHS    THREE MONTHS
                                                                 ENDED           ENDED
                                                                JUNE 30,        JUNE 30,
                                                                  1997            1996
                                                              ------------    ------------
<S>                                                           <C>             <C>
Oil and gas revenues........................................    $12,247         $10,513
Costs and expenses:
  Lease operating and production taxes......................      3,105           4,109
  Abandonment and exploration costs.........................        161             879
  Depreciation, depletion and amortization..................      3,682           4,896
  General and administrative................................      1,621           1,030
                                                                -------         -------
                                                                  8,569          10,914
                                                                -------         -------
          Operating income..................................      3,678            (401)
                                                                -------         -------
Other income (expense):
  Interest income...........................................      1,052             285
  Interest expense..........................................        (16)           (307)
  Gain on asset sales.......................................        (35)            352
  Minority interest.........................................     (1,301)            203
  Other, net................................................         43             102
                                                                -------         -------
                                                                   (257)            635
                                                                -------         -------
Income before income taxes..................................      3,421             234
Income tax provisions.......................................       (158)           (107)
                                                                -------         -------
Income from continuing operations...........................      3,263             127
                                                                -------         -------
Discontinued operations:
  Income from gas marketing operations......................         --          (1,287)
                                                                -------         -------
          Net income........................................    $ 3,263         $(1,160)
                                                                =======         =======
Net income per common share:
  Continuing operations.....................................    $   .23         $   .01
  Discontinued operations...................................         --            (.10)
                                                                -------         -------
  Net income per common share...............................    $   .23         $  (.09)
                                                                =======         =======
Weighted average common shares outstanding..................     14,091          13,440
                                                                =======         =======
</TABLE>
 
      See the accompanying notes to the consolidated financial statements.
 
                                      
<PAGE>   32
 
                          EDISTO RESOURCES CORPORATION
 
                 CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY
                                 (IN THOUSANDS)
                                  (UNAUDITED)
 
<TABLE>
<CAPTION>
                          NUMBER OF            ADDITIONAL                FOREIGN
                           COMMON     COMMON    PAID-IN     RETAINED    CURRENCY     TREASURY
                           SHARES     STOCK     CAPITAL     EARNINGS   TRANSLATION    STOCK      TOTAL
                          ---------   ------   ----------   --------   -----------   --------   --------
<S>                       <C>         <C>      <C>          <C>        <C>           <C>        <C>
Stockholders' equity,
  December 31, 1996.....   13,930      $139     $70,675     $26,308       $(37)       $(362)    $ 96,723
Net income..............       --        --          --       6,755         --           --        6,755
Common stock issued
  pursuant to 1996 bonus
  plan..................        6        --          55          --         --           --           55
Exercise of employee
  stock options.........      303         3       1,969          --         --           --        1,972
                           ------      ----     -------     -------       ----        -----     --------
Stockholder's equity,
  June 30, 1997.........   14,239      $142     $72,699     $33,063       $(37)       $(362)    $105,505
                           ======      ====     =======     =======       ====        =====     ========
</TABLE>
 
      See the accompanying notes to the consolidated financial statements.
 
                                      
<PAGE>   33
 
                          EDISTO RESOURCES CORPORATION
 
                     CONSOLIDATED STATEMENTS OF CASH FLOWS
                                 (IN THOUSANDS)
                                  (UNAUDITED)
 
<TABLE>
<CAPTION>
                                                              SIX MONTHS    SIX MONTHS
                                                                ENDED         ENDED
                                                               JUNE 30,      JUNE 30,
                                                                 1997          1996
                                                              ----------    ----------
<S>                                                           <C>           <C>
Cash flows from operating activities:
  Net income................................................   $ 6,755       $  2,943
  Adjustments to reconcile net income to net cash provided
     by operating activities:
     Depreciation, depletion and amortization...............     7,305          8,337
     Impairment of oil and gas properties...................        --          1,120
     Abandonments and exploration costs.....................       665            781
     Gains on sales of assets...............................       (87)        (1,167)
     Equity in income of affiliates.........................        --           (241)
     Minority interest expense..............................     2,637            379
     Other..................................................       110            807
     Changes in assets and liabilities:
       Accounts receivable and inventory....................     1,754        (15,760)
       Accounts payable and accrued liabilities.............    (3,690)        14,780
       Other................................................      (518)         1,377
                                                               -------       --------
          Net cash provided by operating activities.........    14,931         13,356
                                                               -------       --------
Cash flows from investing activities:
  Net proceeds from sales of assets.........................       768          3,874
  (Purchase) sale of hedging instruments....................     1,110         (2,647)
  Acquisition, exploration and development costs............    (9,534)        (4,721)
  Payments to affiliates....................................        --             79
  Purchase of other current and noncurrent assets...........      (107)          (820)
                                                               -------       --------
          Net cash used in investing activities.............    (7,763)        (4,235)
                                                               -------       --------
Cash flows from financing activities:
  Payments on long-term debt and capital leases.............    (4,000)        (7,945)
  Exercised employee stock options..........................     1,972             --
  Repurchase of common shares...............................        --           (173)
  Stock issue on exercise of warrants.......................        --          8,941
  Currency translation......................................        --             11
                                                               -------       --------
          Net cash provided by (used in) financing
            activities......................................    (2,028)           834
                                                               -------       --------
Net increase in cash and cash equivalents...................     5,140          9,955
Cash and cash equivalents, including restricted cash, at
  beginning of period.......................................    72,098         33,697
                                                               -------       --------
Cash and cash equivalents, including restricted cash, at end
  of period.................................................   $77,238       $ 43,652
                                                               =======       ========
Supplemental disclosure of cash flow information:
Cash paid during the period for:
  Interest..................................................   $   238       $    888
                                                               =======       ========
  Taxes.....................................................   $   606       $    410
                                                               =======       ========
</TABLE>
 
      See the accompanying notes to the consolidated financial statements.
 
                                      
<PAGE>   34
 
                          EDISTO RESOURCES CORPORATION
 
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
               FOR THE THREE MONTHS ENDED JUNE 30, 1997 AND 1996
 
(1)  ORGANIZATION AND PRESENTATION
 
     The accompanying consolidated financial statements include the accounts of
Edisto Resources Corporation, a Delaware corporation ( the "Company" or
"Edisto"), and its consolidated subsidiaries. On December 10, 1996, the Company
sold substantially all of the assets of its gas marketing subsidiaries, Energy
Source, Inc. and Energy Source Canada, Inc. (collectively "Energy Source"), to
two subsidiaries of Pacific Gas Transmission Company. Since this sale, the
Company's only line of business has been oil and gas exploration and production
which is conducted through a 72% interest in Convest Energy Corporation
("Convest"), an independent oil and gas exploration and production company
listed on the American Stock Exchange. Edisto owns 7,598,771 shares of Convest
Common Stock.
 
     References to the "Company" or "Edisto" shall refer to Edisto Resources
Corporation and all of its consolidated subsidiaries, including Convest.
References to "Convest" shall refer only to Convest.
 
     These financial statements should be read in conjunction with the audited
financial statements and the notes thereto included in the Company's Annual
Report on Form 10-K for the year ended December 31, 1996. Reference also is made
to the "Management's Discussion and Analysis of Financial Condition and Results
of Operations" included elsewhere in this report.
 
     The information presented in this Form 10-Q is unaudited, but in the
opinion of management reflects all adjustments (all of which were normal and
recurring) necessary to fairly present such information. Interim results are not
necessarily indicative of a full year of operations.
 
(2)  PROPOSED MERGER WITH FORCENERGY INC
 
     On June 19, 1997, Edisto, Convest, Forcenergy Inc ("Forcenergy") (NYSE
"FEN"), and a Forcenergy subsidiary executed a definitive Agreement and Plan of
Merger (the "Merger Agreement") providing for Edisto and Convest to be merged
into Forcenergy.
 
     Under the Merger Agreement, (a) each issued and outstanding share of Edisto
Common Stock will be converted into the right to receive (i) $4.886 in cash and
(ii) a fractional interest in a share of Forcenergy Common Stock equal to $5.064
divided by the Weighted Average Trading Price of Forcenergy Common Stock and (b)
each issued and outstanding share of Convest Common Stock will be converted into
the right to receive a fractional interest in a share of Forcenergy Common Stock
equal to $8.88 divided by the Weighted Average Trading Price of Forcenergy
Common Stock; provided, however, that in no event will the Weighted Average
Trading Price of Forcenergy Common Stock be less than $28.96 nor more than
$34.96. The "Weighted Average Trading Price" of Forcenergy Common Stock will be
calculated by taking the average of the following daily calculations for each of
the ten trading days ending two trading days prior to the closing date for the
Merger: (i) grouping together all shares of Forcenergy Common Stock traded on
such day at the same trading price, (ii) multiplying the aggregate number of
shares in each price group by the trading price for such group to calculate a
product (the total sold shares value) for each group, (iii) adding all of such
products from each group, and (iv) dividing the resulting total by the aggregate
number of shares traded on such trading day. Cash will be paid in lieu of
fractional shares of Forcenergy Common Stock. The transaction is expected to
close in October 1997.
 
     The majority shareholders of Edisto and Convest have agreed to vote their
respective shares in favor of the transaction thereby assuring the required
shareholder approval for the Merger Agreement. Investment funds and accounts
managed by TCW Special Credits and Oaktree Capital Management, L.L.C., which
hold slightly in excess of 51% of Edisto's Common Stock, have agreed to vote for
the transaction. In addition, such investment funds and accounts have
contractually agreed not to sell 80% of the Forcenergy Common Stock received in
the transaction for a period of six months after the closing. Edisto currently
owns approximately
 
<PAGE>   35
 
                          EDISTO RESOURCES CORPORATION
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
72% of the outstanding shares of Common Stock of Convest, and has agreed in the
Merger Agreement to vote its shares of Convest Common Stock in favor of the
transaction.
 
     The accompanying financial statements have been prepared on a going concern
basis and do not reflect any adjustments related to the proposed merger.
 
(3)  SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
 
EDISTO
 
     Cash and Cash Equivalents. Cash equivalents consist of short-term highly
liquid investments which are readily convertible into cash and have original
maturities of three months or less. The Company's investment policy for its
available cash balances allows for investment in high grade short-term debt
issues as well as investments in money market accounts and overnight investments
with major financial institutions. At June 30, 1997, the Company had cash and
cash equivalents, including restricted cash, of $77.2 million of which $7.4
million was held at Convest.
 
     Net Income Per Share. Net income per share is computed based on the
weighted average number of shares outstanding which were 14,019,317 and
12,929,661 for the six months ended June 30, 1997 and 1996, respectively, and
14,090,803 and 13,440,269 for the three months ended June 30, 1997 and 1996,
respectively. No effect has been given to options outstanding under the
Company's stock option plans because their effect is antidilutive or immaterial.
 
     Use of Estimates. The preparation of financial statements in conformity
with generally accepted accounting principles requires management to make
estimates and assumptions that affect the reported amounts of assets and
liabilities and disclosure of contingent assets and liabilities at the date of
the financial statements and the reported amounts of revenues and expenses
during the reporting period. Actual results could differ from those estimates.
 
     Income Taxes. Edisto records income taxes in accordance with the Financial
Accounting Standards Board -- Statement of Financial Accounting Standards No.
109 ("SFAS 109"), "Accounting for Income Taxes." SFAS 109 requires the balance
sheet approach of income tax accounting whereby deferred income taxes are
provided at the balance sheet date for the differences existing in the tax basis
of assets and liabilities and their financial statement carrying amounts.
 
     Principles of Consolidation and Reclassifications. All significant
intercompany balances and transactions have been eliminated. Certain
reclassifications have been made to the 1996 consolidated financial statements
to conform to the presentation for 1997.
 
CONVEST
 
     Reclassifications and Consolidation. Certain reclassifications have been
made to prior year financial statements to conform to the presentation for 1997.
All significant intercompany accounts and activities have been eliminated.
 
     Restricted Cash. Restricted cash consists of $333,000 of certificates of
deposit held by various financial institutions. The certificates of deposit are
held in escrow as collateral for letters of credit issued for (i) lease payments
on certain offshore platforms and (ii) estimated plugging and abandonment costs
expected to be incurred on certain onshore oil and gas properties.
 
     Property and Equipment. Convest follows the successful efforts method of
accounting for its oil and gas properties. Costs of productive wells,
developmental drilling expenditures, including developmental dry holes, and
productive leases are capitalized. Exploratory drilling costs, including
stratigraphic test wells, are initially capitalized, but charged to expense if
and when the well is determined to be unsuccessful. The capitalized
 
<PAGE>   36
 
                          EDISTO RESOURCES CORPORATION
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
costs of oil and gas properties are charged to operations as depreciation,
depletion and amortization using the unit-of-production method based on the
ratio of current production to proved recoverable oil and gas reserves (as
defined by the Securities and Exchange Commission) on a lease by lease basis.
Reserve estimates for Convest's properties were prepared or audited by
independent petroleum engineering firms at year end. Gas is converted to
equivalent barrels of oil on an energy content basis of 6 Mcf of gas to 1 barrel
of oil. Depreciation, depletion and amortization per equivalent unit of oil
production was $4.74 and $4.83 for the six month periods ended June 30, 1997 and
1996, respectively, and $4.51 and $4.60 for the three month periods ended June
30, 1997 and 1996, respectively. Oil and gas leasehold costs are capitalized
when incurred. Unproved properties are assessed periodically on a
property-by-property basis and impairments in value are charged to expense.
Exploratory expenses, including geological and geophysical expenses and annual
delay rentals, are charged to expense as incurred.
 
     Under Statement of Financial Accounting Standards No. 121 ("SFAS 121")
regarding accounting for the impairment of long-lived assets, Convest is
required to recognize an impairment loss for its proved oil and gas properties
if the carrying value of such properties (i.e., total capitalized costs less
accumulated depreciation and depletion) exceeds the undiscounted expected future
cash flows attributable to such properties. Convest must assess the need for an
impairment of capitalized costs of oil and gas properties on a
property-by-property basis. If an impairment is indicated based on undiscounted
expected future cash flows, then an impairment loss is recognized to the extent
that net capitalized costs exceed expected future cash flows. During the second
quarter of 1996, it was determined that one of Convest's offshore properties had
experienced a permanent decline in production. Accordingly, Convest recorded an
impairment loss of approximately $1.1 million during the second quarter of 1996.
No such provision has been required during 1997.
 
     Other Property, Plant and Equipment. Other fixed assets are recorded at
cost and depreciated over their estimated useful lives using the straight-line
method of depreciation.
 
     Abandonment Reserve. Convest records its estimate of future abandonment
costs of offshore properties. Such costs are accrued using a unit-of-production
method based upon estimated proved recoverable reserves. Abandonment costs are
estimated under current regulations using current costs and are reviewed
periodically and adjusted as new information becomes available. Abandonment
costs on onshore properties are typically nominal due to the salvage value of
well equipment.
 
     Convest is a party to a settlement with the United States Minerals
Management Service relating to estimated plugging and abandonment costs for 14
Gulf of Mexico OCS leases. Pursuant to this settlement, the operator of the
leases, Convest and other co-lessees were required to provide security for
payment of such costs through quarterly payments to an Abandonment Fund. During
the first quarter of 1997, Convest made its final scheduled payment under the
Abandonment Fund, and accordingly, is no longer subject to additional future
payments.
 
     As of June 30, 1997 and December 31, 1996, Convest had made payments
totaling approximately $4.8 million and $4.2 million to the Abandonment Fund,
respectively. These payments were applied to the total long-term abandonment
reserve of $7.5 million and $7.7 million, as of June 30, 1997 and December 31,
1996, respectively, resulting in a net long-term abandonment reserve of $2.7
million and $3.5 million as of those dates. The current portion of the
abandonment reserve was $2.1 million and $2.3 million as of June 30, 1997 and
December 31, 1996, respectively. The current portion of the abandonment reserve
is included in "Accrued Liabilities and Other" and the noncurrent portion is
included in "Other Noncurrent Liabilities" in the consolidated financial
statements.
 
     Lease Operating Expenses. In connection with a 1992 sale of certain future
production volumes of oil to Enron Reserve Acquisition Corp., Convest
established a reserve for the expenses associated with the volumes sold and
amortizes this reserve as the volumes are delivered. As of June 30, 1997 and
December 31, 1996, the
 
<PAGE>   37
 
                          EDISTO RESOURCES CORPORATION
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
current balance of this reserve was $1.6 million, respectively, and the
long-term balance was $2.8 million and $3.7 million, respectively, and were
presented in "Accrued Liabilities and Other" and "Other Noncurrent Liabilities,"
respectively, in the consolidated financial statements.
 
     Gas Balancing. Convest uses the entitlement method of accounting for gas
imbalances. Receivables resulting from undertakes of gas production at June 30,
1997 and December 31, 1996 were $2.4 million and $2.3 million, respectively, and
are included in "Accounts Receivable -- Oil and Gas Production" and "Other
Noncurrent Assets" in the consolidated financial statements. Deferred revenue
and payables resulting from overtakes of gas production at June 30, 1997 and
December 31, 1996 were $2.4 million and $2.7 million, respectively, and are
included in "Current Liabilities -- Deferred Revenue" and "Long-Term
Liabilities -- Deferred Revenue" in the consolidated financial statements.
 
     Accounting for Income Taxes. Convest records income taxes in accordance
with the Financial Accounting Standards Board -- Statement of Financial
Accounting Standards No. 109 ("SFAS 109"), "Accounting for Income Taxes." SFAS
109 requires the balance sheet approach of income tax accounting whereby
deferred income taxes are provided at the balance sheet date for the differences
existing in the tax basis of assets and liabilities and their financial
statement carrying amounts.
 
     Concentration of Credit Risk. Convest's oil and gas production revenues are
derived principally from uncollateralized sales to customers in the oil and gas
industry. The concentration of credit risk in a single industry affects
Convest's overall exposure to credit risk because customers may be similarly
affected by changes in economic and other conditions. Convest has not
experienced significant credit losses on receivables from such sales.
 
     Net Income Per Share. Net income per share is computed based on the
weighted average number of shares outstanding which were 10,472,100 and
10,412,722 for the six months ended June 30, 1997 and 1996, respectively, and
10,508,115 and 10,412,722 for the three months ended June 30, 1997 and 1996,
respectively. No effect has been given to options outstanding under Convest's
stock option plans because their effect is antidilutive or immaterial.
 
     Risk Management/Hedging Activities. Convest from time to time engages in
commodity hedging activities to minimize the risk of market fluctuations
associated with the price of crude oil and natural gas production. The hedging
objectives include assurance of stable and known cash flows and fixed favorable
prices. The hedges are effected through the purchase and sale of futures
contracts on the New York Mercantile Exchange ("NYMEX") and over the counter
price swap agreements. The credit risk of futures contracts is limited due to
the daily cash settlement of the net change in the value of open contracts and
because of certain NYMEX procedures. Gains or losses on Convest's hedging
agreements are deferred and recognized as oil and gas sales revenue when the
hedged transaction occurs.
 
     Statement of Cash Flows. For purposes of the consolidated statements of
cash flows, Convest considers all highly liquid investments purchased with a
maturity of three months or less to be cash equivalents.
 
     Use of Estimates. The preparation of financial statements in conformity
with generally accepted accounting principles requires management to make
estimates and assumptions that affect the reported amounts of assets and
liabilities and disclosure of contingent assets and liabilities at the date of
the financial statements and the reported amounts of revenues and expenses
during the reporting period. Actual results could differ from those estimates.
All significant estimates are discussed herein.
 
(4)  DISCONTINUED OPERATIONS
 
     From 1990 until December 1996, Edisto conducted natural gas marketing
operations through Energy Source. On December 10, 1996, Energy Source sold
substantially all of its assets to Pacific Gas Transmission Company, a
subsidiary of PG&E Corporation (NYSE "PCG"). The sales price was $23.3 million
in cash,
 
<PAGE>   38
 
                          EDISTO RESOURCES CORPORATION
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
plus the working capital of Energy Source at July 31, 1996 (approximately $20.0
million). The sales price, however, is subject to adjustment after the closing
by the adjusted consolidated net income or loss of Energy Source from August 1,
1996 to November 30, 1996. The Company and PGT have not yet finalized the
purchase price adjustment. Under the Purchase Agreement, Edisto also retained
certain assets and liabilities of Energy Source. In connection with this sale,
Edisto recognized a gain of approximately $15.3 million during 1996, net of
approximately $700,000 of income tax.
 
     As a condition to the sale, Edisto retained the rights and liabilities
associated with the gas purchase and supply contracts with three of Energy
Source's Canadian trading partners, each of whom defaulted under their contracts
and sought protection under Canadian bankruptcy laws. Edisto also retained as
assets approximately 1.2 Bcf of natural gas in storage which the storage
operator failed to deliver. Edisto is pursuing its claims in each of these
matters.
 
     Pursuant to the Purchase Agreement, Edisto also retained the liabilities
and counterclaims against PanEnergy Corporation and Panhandle Eastern Pipe Line
Company under a lawsuit in the District Court of Harris County, Texas. This
lawsuit is described in Note 10 -- "Commitments and Contingencies" herein.
 
     Separate from the lawsuit with Panhandle, Edisto retained as an asset all
rights to receive a refund from Panhandle under a proposed settlement of certain
rate cases pending before the Federal Energy Regulatory Commission. In April
1997, the settlement was finalized and Panhandle acknowledged Edisto's right to
receive a refund of approximately $1.0 million, but offset it against amounts
which Panhandle claims are owed to it by the Company. This refund is included in
Accounts Receivable on the accompanying Consolidated Balance Sheet at June 30,
1997 and December 31, 1996.
 
<PAGE>   39
 
                          EDISTO RESOURCES CORPORATION
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
(5)  CONSOLIDATING BALANCE SHEETS
 
     Set forth below are the Consolidating Balance Sheets of Edisto and its
consolidated subsidiary, Convest, at June 30, 1997.
 
                          CONSOLIDATING BALANCE SHEETS
                                 JUNE 30, 1997
                                 (IN THOUSANDS)
 
<TABLE>
<CAPTION>
                                                                                         CONSOLIDATED
                                                    EDISTO(1)   CONVEST   ELIMINATIONS      EDISTO
                                                    ---------   -------   ------------   ------------
<S>                                                 <C>         <C>       <C>            <C>
ASSETS:
  Cash and cash equivalents.......................  $ 69,869    $ 7,369     $     --       $ 77,238
  Margin deposits.................................        --         56           --             56
  Accounts receivable.............................     1,714      7,130         (372)         8,472
  Other current assets............................         4        762           --            766
                                                    --------    -------     --------       --------
          Total current assets....................    71,587     15,317         (372)        86,532
                                                    --------    -------     --------       --------
  Property and equipment, net.....................        72     54,582           --         54,654
                                                    --------    -------     --------       --------
  Investment in Convest...........................    38,414         --      (38,414)            --
                                                    --------    -------     --------       --------
  Other assets....................................        27      2,618         (550)         2,095
                                                    --------    -------     --------       --------
                                                    $110,100    $72,517     $(39,336)      $143,281
                                                    ========    =======     ========       ========
 
LIABILITIES AND EQUITY:
  Accounts payable................................  $    615    $ 7,467     $   (372)      $  7,710
  Accrued liabilities and other...................     3,379      4,696           --          8,075
  Deferred revenue................................        --      1,906           --          1,906
                                                    --------    -------     --------       --------
          Total current liabilities...............     3,994     14,069         (372)        17,691
                                                    --------    -------     --------       --------
  Long-term debt..................................        --          3           --              3
  Minority interest...............................        --         --       13,996         13,996
  Other noncurrent liabilities....................        51      6,035           --          6,086
                                                    --------    -------     --------       --------
          Total long-term liabilities.............        51      6,038       13,996         20,085
                                                    --------    -------     --------       --------
  Stockholders' equity............................   106,055     52,410      (52,960)       105,505
                                                    --------    -------     --------       --------
                                                    $110,100    $72,517     $(39,336)      $143,281
                                                    ========    =======     ========       ========
</TABLE>
 
- ---------------
 
(1) Includes Edisto and its subsidiaries other than Convest.
 
(6)  HEDGING ACTIVITIES
 
     As previously stated, Convest conducts its hedging activities through major
financial institutions. Set forth below is the contract amount and term of all
futures contracts held for price risk management purposes by Convest at June 30,
1997 and December 31, 1996:
 
<TABLE>
<CAPTION>
                                  JUNE 30, 1997          DECEMBER 31, 1996
                               --------------------    ----------------------
                                 OIL         GAS         OIL          GAS
                               --------    --------    --------    ----------
<S>                            <C>         <C>         <C>         <C>
Quantity Sold................  30 Mbbls    740 MMCF    90 Mbbls    3,300 MMcf
Maximum Term.................  3 Months    3 Months    9 Months    10 Months
Average Price................   $21.07      $2.38       $22.50       $2.53
</TABLE>
 
                                      
<PAGE>   40
 
                          EDISTO RESOURCES CORPORATION
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
     Convest will continue its hedging activities during 1997 in order to
mitigate the volatility of its crude oil and natural gas prices. Gains and
losses realized upon the settlement of Convest's hedge positions are deferred
and recognized as oil and gas sales revenue in the month of the underlying
physical production being hedged. The fair value of Convest's open positions at
June 30, 1997 were $182,150. As a result of fluctuations in the price of crude
oil and natural gas subsequent to June 30, 1997, the stated fair value of
Convest's open positions is not indicative of the value which would be received
if the positions were closed at current prices. The fair value of Convest's
hedges was based on the cost that would have been incurred to buy out those
hedges in a loss position and the consideration that would have been received to
terminate those hedges in a gain position. The cash margin required by the
counterparties to Convest's hedging activities totaled $56,000 and $1.0 million
as of June 30, 1997 and December 31, 1996, respectively, and are included in
other current assets.
 
(7)  RELATED PARTY TRANSACTIONS
 
     During December 1996, Edisto sold substantially all of the assets of its
wholly owned gas marketing subsidiary, Energy Source, Inc., to an unrelated
third party. From January 1995 until its sale in December 1996, Energy Source
had marketed a substantial portion of Convest's gas production. Under the gas
marketing arrangement, Convest received a minimum price of 98% of the index for
the applicable pipeline. In connection with the sale of Energy Source, Convest
and Energy Source agreed to extend the gas marketing arrangement to December 31,
1997. Effective January 1, 1997, the gas marketing arrangement was amended to
increase the price received by Convest from 98% to 100% of the index price for
the applicable pipeline.
 
     In connection with the Energy Source sale, all Edisto employees other than
Michael Y. McGovern, the Chairman and Chief Executive Officer of Convest and
Edisto, became employees of the purchaser. Subsequently, Edisto's corporate
headquarters were moved to Convest's offices, and Mr. McGovern and four other
employees of Convest have divided their time between Edisto and Convest.
Effective December 1, 1996, Mr. McGovern's base salary and benefits have been
apportioned 70% to Convest and 30% to Edisto. The base salary and benefits of
the other Convest employees who perform work for Edisto also are apportioned
based on the approximate amount of time they work for each company.
 
     Prior to the sale of Energy Source, Edisto had provided Convest with access
to an AS400 computer system to run its accounting system and had provided MIS
support. The monthly cost to Convest was approximately $12,555 per month. In
connection with the sale of Energy Source, Edisto sold the AS400 computer system
and its MIS personnel became employees of the purchaser of Energy Source. Since
Convest continued to need an AS400 computer system to run its accounting system,
the Energy Source purchaser agreed to provide Convest with access to the AS400
computer system and MIS support through December 31, 1997. The cost to Convest
is $12,645 per month. This agreement may be terminated by Convest at any time
after June 30, 1997 upon 90 days notice.
 
     In addition, Convest and Edisto have a directors' and officers' fiduciary
insurance policy that covers both companies. The annual insurance premium was
allocated 32% to Convest, for a cost of $96,000 based on the relative percentage
that the assets of Convest bear to the total assets of both Convest and Edisto.
 
     Each of the affiliated party transactions described above was approved by
either a special committee of Convest's Board, which was composed of outside
directors with no affiliation to Edisto, or the unanimous consent of Convest's
Board.
 
(8)  INCOME TAXES
 
     The Company records current income taxes based on its estimated actual tax
liability for the year. The Company provides for deferred income taxes under
SFAS No. 109 based upon differences between the tax basis of the Company's
assets and liabilities and their financial statement carrying amounts multiplied
by the Company's expected future effective tax rate.
 
                                      
<PAGE>   41
 
                          EDISTO RESOURCES CORPORATION
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
     The Company recorded current income tax expense of $256,000 and $277,000
for the six months ended June 30, 1997 and 1996, respectively, and $158,000 and
$107,000 for the three months ended June 30, 1997 and 1996, respectively. The
Company has provided a valuation allowance against substantially all of its net
deferred tax assets as the "more-likely-than-not" criteria for recognition under
SFAS No. 109 has not been met.
 
(9)  CONVEST CREDIT FACILITY AND LONG-TERM DEBT
 
     Convest has a revolving credit facility with Bank One, Texas, N.A. ("Bank
One"), and Compass Bank-Houston which terminates on January 1, 1999. Bank One
serves as agent bank of the facility. The facility is secured by a first lien on
all of Convest's assets, including its oil and gas properties and gas plant. The
borrowing base is redetermined semi-annually on May 31 and November 30 of each
year by the lending banks based on engineering criteria established by the
banks. Interest on borrowings under the facility is computed at (i) the agent
bank's prime lending rate (the "Base Rate") plus  3/4% or (ii) the London
Interbank Offering Rate ("LIBOR") plus 2 3/4%. In addition, Convest pays a
commitment fee equal to  1/2% on any commitment amount in excess of outstanding
borrowings.
 
     Effective December 1, 1996, the borrowing base was $19.2 million which
reduces by $1.0 million per month beginning January 1, 1997 based on the lending
banks' estimate of production. Effective January 28, 1997 and June 12, 1997, the
borrowing base was reduced by $300,000 and $200,000, respectively, to give
effect to the sale of oil and gas properties securing the credit facility.
Pursuant to the terms of the credit facility, Convest is required to provide the
banks with semi annual estimates of its oil and gas reserves on or before April
1 and October 1 of each year. Due to the proposed merger with Forcenergy, the
banks have agreed to extend the report required on October 1, 1997 until
December 1, 1997. As a result, Convest's borrowing base will continue to reduce
by $1.0 million per month until the updated reports are provided and the
borrowing base has been redetermined.
 
     After giving effect to the monthly borrowing base reductions and the
reductions resulting from the property sales, Convest's borrowing base under the
credit facility was $12.7 million on June 30, 1997. Convest had no outstanding
borrowings under its credit facility at June 30, 1997 and $4.0 million
outstanding at December 31, 1996. In addition, Convest had $200,000 of letters
of credit outstanding at June 30, 1997 and December 31, 1996, primarily related
to performance bonds issued for oil and gas operations.
 
(10)  COMMITMENTS AND CONTINGENCIES
 
     Bruce W. McConkey, et al v. James R. McNab, Jr., et al. (Cause No.
93-002587 in the 125th District Court of Harris County, Texas). In January 1993,
Bruce W. McConkey and two other shareholders of MINT Holding Company ("MINT"),
who collectively hold 20% of the outstanding MINT common stock, filed a lawsuit
against Edisto, MINT and certain of its former directors who were former
officers of Edisto. Edisto owns the remaining 80% of MINT. The lawsuit, among
other things, (i) alleged that MINT constructively terminated Mr. McConkey's
employment as the President and CEO of MINT, thereby breaching his employment
agreement; (ii) alleged that certain directors of MINT breached their fiduciary
duties to the plaintiffs, in their capacity as minority shareholders, and (iii)
asserted derivative claims on behalf of MINT against certain directors for
alleged mismanagement of MINT. Edisto and MINT asserted certain counterclaims
against Mr. McConkey based on an unpaid guaranteed debt and an unpaid promissory
note.
 
     In October 1996, the trial court granted an interlocutory summary judgment
in favor of Edisto, MINT and the individual defendants on all claims other than
the claims against MINT, including the claim that it constructively terminated
Mr. McConkey's employment. In mid-July 1997, this lawsuit was tried before a
jury and resulted in the following findings: (i) the court found that Mr.
McConkey was constructively discharged by MINT which owes Mr. McConkey
approximately $32,000 for damages and interest; (ii) Mr. McConkey owes
approximately $26,000 to Multiflex on an unpaid promissory note, and (iii) Mr.
McConkey owes
 
                                      
<PAGE>   42
 
                          EDISTO RESOURCES CORPORATION
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
approximately $400,000 to Edisto for breaching a guaranty issued to Edisto. All
other relief sought by Mr. McConkey and the other plaintiffs against Edisto,
MINT and the individual defendants was expressly denied. The final judgment was
granted by the trial court on July 29, 1997. It is unknown at this time whether
the plaintiffs will appeal this judgment.
 
     Panhandle Eastern Pipe Line Company v. Energy Source, Inc. (Cause No.
96-60925 in the 152nd District Court of Harris County, Texas). The lawsuit,
which was filed in December 1996, relates to (i) a contract dispute involving
approximately $1.5 million in disputed Annual Revenue Amount and other charges
which PanEnergy and Panhandle Eastern claim are owed by Energy Source under two
gas transportation agreements between the companies, (ii) a claim by Energy
Source that PanEnergy over billed Energy Source by approximately $1.0 million
for services under such transportation contracts which PanEnergy has refused to
refund, (iii) $216,000 in gas balancing penalties paid by Energy Source under
protest for which Edisto is seeking a refund, (iv) a claim by Energy Source
under Texas antitrust laws that PanEnergy exerted unlawful monopoly power and
engaged in anticompetitive conduct to the detriment of Energy Source, and (v) a
claim by Energy Source that PanEnergy tortiously interfered with a prospective
contractual relationship between Energy Source and its largest customer at that
time. Edisto believes that it has meritorious defenses to PanEnergy's claims and
plans to vigorously assert such defenses and its counterclaims against PanEnergy
in the lawsuit. Based on developments of the case to date, the Company's
management does not believe the outcome of this lawsuit will have a material
adverse effect on the Company's consolidated financial position or results of
operations.
 
     Potential Retained Liabilities from Sale of Gas Marketing Operations. As a
condition to the sale of the natural gas marketing operations in December 1996,
Edisto retained the rights and liabilities associated with the gas purchase and
supply contracts with three of Energy Source Canada's trading partners. Each of
these trading partners defaulted under their contracts and sought protection
under Canadian bankruptcy laws. Edisto is pursuing its claims in these matters.
 
     In addition, the Company is named as defendant in several lawsuits arising
in the ordinary course of business. While the outcome of lawsuits and other
proceedings against the Company cannot be predicted with certainty, management
does not expect these matters to have a material adverse effect on the Company's
financial position or results of operations.
 
                                      
<PAGE>   43
 
                    REPORT OF INDEPENDENT PUBLIC ACCOUNTANTS
 
To the Stockholders and Board of Directors of
Convest Energy Corporation:
 
     We have audited the accompanying consolidated balance sheets of Convest
Energy Corporation (a Texas corporation) and subsidiaries as of December 31,
1996 and 1995, and the related consolidated statements of operations,
stockholders' equity and cash flows for each of the three years in the period
ended December 31, 1996. These consolidated financial statements are the
responsibility of the Company's management. Our responsibility is to express an
opinion on these consolidated financial statements based on our audits.
 
     We conducted our audits in accordance with generally accepted auditing
standards. Those standards require that we plan and perform the audit to obtain
reasonable assurance about whether the financial statements are free of material
misstatement. An audit includes examining, on a test basis, evidence supporting
the amounts and disclosures in the financial statements. An audit also includes
assessing the accounting principles used and significant estimates made by
management, as well as evaluating the overall financial statement presentation.
We believe that our audits provide a reasonable basis for our opinion.
 
     In our opinion, the consolidated financial statements referred to above
present fairly, in all material respects, the financial position of Convest
Energy Corporation and subsidiaries as of December 31, 1996 and 1995, and the
results of its operations and its cash flows for each of the three years in the
period ended December 31, 1996, in conformity with generally accepted accounting
principles.
 
     As discussed in Note 2, as of October 1, 1995, the Company changed its
method of accounting for the impairment of long-lived assets to conform with
Statement of Financial Accounting Standards No. 121.
 
                                            ARTHUR ANDERSEN LLP
 
Houston, Texas
March 20, 1997
 
                                      
<PAGE>   44
 
                           CONVEST ENERGY CORPORATION
 
                          CONSOLIDATED BALANCE SHEETS
                                 (IN THOUSANDS)

                                     ASSETS
 <TABLE>
<CAPTION>
                                                                  DECEMBER 31,
                                                              --------------------
                                                                1996        1995
                                                              --------    --------
<S>                                                           <C>         <C>
Current assets:
  Cash and cash equivalents.................................  $  3,678    $    674
  Restricted cash...........................................       333         333
  Accounts receivable:
     Oil and gas production -- less allowance for doubtful
      accounts of $657 and $820, respectively...............     7,908       7,958
     Other..................................................       598         252
  Other current assets......................................     2,267       6,223
                                                              --------    --------
          Total current assets..............................    14,784      15,440
                                                              --------    --------
Property and equipment:
  Oil and gas properties, successful efforts method.........   117,307     114,201
  Other.....................................................       478         364
  Less accumulated depreciation, depletion and
     amortization...........................................   (63,061)    (50,225)
                                                              --------    --------
                                                                54,724      64,340
                                                              --------    --------
Other assets................................................     2,704       2,177
                                                              --------    --------
                                                              $ 72,212    $ 81,957
                                                              ========    ========

                       LIABILITIES AND STOCKHOLDERS' EQUITY
Current liabilities:
  Current maturities of long-term debt......................  $     --    $  1,625
  Accounts payable:
     Oil and gas production.................................     8,521       9,609
     Affiliates.............................................       667         550
  Accrued liabilities and other.............................     6,041       3,803
  Deferred revenue..........................................     2,113       2,010
                                                              --------    --------
          Total current liabilities.........................    17,342      17,597
                                                              --------    --------
Long-term liabilities:
  Long-term debt, net of current maturities.................     4,003      17,553
  Deferred revenue..........................................       559         691
  Other noncurrent liabilities..............................     7,170      11,099
                                                              --------    --------
                                                                11,732      29,343
                                                              --------    --------
Commitments and contingencies
Stockholders' equity:
  Preferred stock, $1 par value; authorized 5 million
     shares; none issued or outstanding.....................
  Common stock $.01 par value; 20,000,000 shares authorized,
     10,428,602 and 10,412,722 issued and outstanding at
     December 31, 1996 and 1995, respectively...............       104         104
  Additional paid-in capital................................    47,849      47,798
  Retained earnings (deficit)...............................    (4,815)    (12,885)
                                                              --------    --------
                                                                43,138      35,017
                                                              --------    --------
                                                              $ 72,212    $ 81,957
                                                              ========    ========
</TABLE>
 
   The accompanying notes are an integral part of these financial statements.
 
                                      

<PAGE>   45
 
                           CONVEST ENERGY CORPORATION
 
                     CONSOLIDATED STATEMENTS OF OPERATIONS
                      (IN THOUSANDS EXCEPT PER SHARE DATA)
 
<TABLE>
<CAPTION>
                                                                 YEAR ENDED DECEMBER 31,
                                                              -----------------------------
                                                               1996       1995       1994
                                                              -------    -------    -------
<S>                                                           <C>        <C>        <C>
Revenues:
  Oil and gas sales.........................................  $45,622    $49,917    $46,788
  Gas plant revenues........................................    1,517      1,295         --
  Gain (loss) on asset sale.................................    1,239       (660)     4,754
  Other, net................................................    1,367        428        326
                                                              -------    -------    -------
                                                               49,745     50,980     51,868
                                                              -------    -------    -------
Expenses:
  Production:
     Lease operating expense................................   12,998     16,790     12,033
     Production taxes.......................................    1,272      1,167        247
     Gas plant operating expense............................      510        492         --
  Abandonment and exploration costs.........................    1,775      2,279      2,135
  General and administrative expenses.......................    4,792      4,882      4,588
  Interest expense..........................................    1,065      2,015        747
  Depreciation, depletion and amortization..................   16,473     20,039     18,911
  Impairment of oil and gas properties......................    2,633      5,911         --
  Equity in loss of affiliates..............................       --         --      1,731
                                                              -------    -------    -------
                                                               41,518     53,575     40,392
                                                              -------    -------    -------
Income (loss) before elimination of preacquisition net loss
  and income taxes..........................................    8,227     (2,595)    11,476
     Elimination of preacquisition net loss of
       predecessor..........................................       --      1,664         --
                                                              -------    -------    -------
  Net income (loss) before income taxes.....................    8,227       (931)    11,476
  Income tax provision (benefit):
     Current................................................      157        559        210
     Deferred...............................................       --       (550)        --
                                                              -------    -------    -------
                                                                  157          9        210
                                                              -------    -------    -------
Net income (loss)...........................................  $ 8,070    $  (940)   $11,266
                                                              =======    =======    =======
Net income (loss) per share (See Note 2)....................  $  0.77    $ (0.11)   $  1.82
                                                              =======    =======    =======
Weighted average common shares outstanding..................   10,413      8,374      6,185
                                                              =======    =======    =======
</TABLE>
 
   The accompanying notes are an integral part of these financial statements.
 
<PAGE>   46
 
                           CONVEST ENERGY CORPORATION
 
                CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY
              FOR THE YEARS ENDED DECEMBER 31, 1996, 1995 AND 1994
                                 (IN THOUSANDS)
 
<TABLE>
<CAPTION>
                                          COMMON        COMMON     ADDITIONAL
                                          SHARES        STOCK,      PAID-IN      RETAINED
                                        OUTSTANDING    $.01 PAR     CAPITAL      EARNINGS     TOTAL
                                        -----------    --------    ----------    --------    --------
<S>                                     <C>            <C>         <C>           <C>         <C>
Balance at December 31, 1993..........     6,185       $     62     $30,758      $  7,696    $ 38,516
  Capital contributions...............        --             --         100            --         100
  Dividends...........................        --             --          --       (30,255)    (30,255)
  Net income..........................        --             --          --        11,266      11,266
                                          ------       --------     -------      --------    --------
Balance at December 31, 1994..........     6,185             62      30,858       (11,293)     19,627
Distribution of certain assets and
  liabilities to affiliates in
  accordance with the stock purchase
  agreement...........................        --             --          --          (652)       (652)
  Stock issuance -- reverse
     acquisition of CEC by Edisto
     E&P..............................     4,227             42      16,940            --      16,982
  Net loss............................        --             --          --          (940)       (940)
                                          ------       --------     -------      --------    --------
Balance at December 31, 1995..........    10,412            104      47,798       (12,885)     35,017
  Exercise of employee stock
     options..........................        16             --          51            --          51
  Net income..........................        --             --          --         8,070       8,070
                                          ------       --------     -------      --------    --------
Balance at December 31, 1996..........    10,428       $    104     $47,849      $ (4,815)   $ 43,138
                                          ======       ========     =======      ========    ========
</TABLE>
 
   The accompanying notes are an integral part of these financial statements.
 
<PAGE>   47
 
                           CONVEST ENERGY CORPORATION
 
                     CONSOLIDATED STATEMENTS OF CASH FLOWS
                                 (IN THOUSANDS)
 
<TABLE>
<CAPTION>
                                                                 YEAR ENDED DECEMBER 31,
                                                              ------------------------------
                                                                1996       1995       1994
                                                              --------   --------   --------
<S>                                                           <C>        <C>        <C>
CASH FLOWS FROM OPERATING ACTIVITIES:
  Net income (loss).........................................  $  8,070   $   (940)  $ 11,266
  Adjustments to reconcile net income (loss) to net cash
     provided by operating activities:
     Depreciation, depletion and amortization...............    16,496     16,503     18,911
     Impairment of oil and gas properties...................     2,633      5,911         --
     (Gain) loss on sale of assets and investments..........    (1,239)       660     (4,754)
     Abandonment and exploration costs......................     1,592      1,797      1,810
     (Increase) decrease in accounts receivable.............      (354)    (4,284)     6,064
     Decrease in accounts payable and accrued liabilities...    (4,361)    (3,969)    (3,198)
     Other..................................................       176       (121)       295
                                                              --------   --------   --------
          Net cash flow provided by operating activities....    23,013     15,557     30,394
                                                              --------   --------   --------
CASH FLOWS FROM INVESTING ACTIVITIES:
  Cash received in reverse acquisition of CEC by Edisto
     E&P....................................................        --        716         --
  Acquisition, exploration and development of oil and gas
     properties.............................................   (10,949)   (10,232)    (6,298)
  Advances to working interest owners.......................    (1,225)        --         --
  Proceeds from the sale of oil and gas properties..........     2,991        384      8,444
  (Purchase) sale of investment in affiliates...............        --      7,351     (9,183)
  (Purchase) sale of natural gas hedging contracts..........     4,412     (4,225)      (898)
  Increase in other current and noncurrent assets...........      (114)    (1,123)    (4,339)
                                                              --------   --------   --------
          Net cash used in investing activities.............    (4,885)    (7,129)   (12,274)
                                                              --------   --------   --------
CASH FLOWS FROM FINANCING ACTIVITIES:
  Borrowings on long-term debt and capital leases...........     3,100      6,575      7,788
  Payments on long-term debt and capital leases.............   (18,275)   (12,750)    (9,578)
  Payment of note payable...................................        --     (5,212)        --
  Cash dividends............................................        --         --    (25,015)
  Distribution of certain assets and liabilities to
     affiliate..............................................        --       (652)        --
  Exercised employee stock options..........................        51         --         --
  Other.....................................................        --       (338)        25
                                                              --------   --------   --------
          Net cash used by financing activities.............   (15,124)   (12,377)   (26,780)
                                                              --------   --------   --------
Net increase (decrease) in cash and cash equivalents........     3,004     (3,949)    (8,660)
Cash and cash equivalents, beginning of period..............     1,007      4,956     13,616
                                                              --------   --------   --------
Cash and cash equivalents, end of period....................  $  4,011   $  1,007   $  4,956
                                                              ========   ========   ========
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:
  Cash paid during the period for interest..................  $  1,305   $  1,413   $    410
                                                              ========   ========   ========
  Cash paid during the period for taxes.....................  $    157   $     46   $     80
                                                              ========   ========   ========
  Non-cash transactions -- property dividend................  $     --   $     --   $  5,240
                                                              ========   ========   ========
</TABLE>
 
   The accompanying notes are an integral part of these financial statements.
 
<PAGE>   48
 
                           CONVEST ENERGY CORPORATION
 
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
 
(1) BASIS OF PRESENTATION
 
GENERAL
 
     Convest Energy Corporation ("Convest" or the "Company"), a Texas
corporation whose common stock is traded on the American Stock Exchange, is an
active independent oil and gas exploration and production company. The Company
was formed in June 1990 to participate in a series of mergers and other
transactions consummated in December 1990 pursuant to which the company
succeeded to the assets, liabilities, operations and common management of
ConVest Energy Partners, Ltd., a former publicly-held Texas limited partnership,
and certain of its affiliates.
 
EDISTO TRANSACTION
 
     On June 26, 1995, Convest acquired all of the outstanding capital stock of
Edisto Exploration & Production Company, a Delaware corporation ("Edisto E&P")
from Edisto Resources Corporation ("Edisto") in exchange for 6,185,400 newly
issued shares of Convest's common stock and $10,000 in cash (the "Edisto
Transaction"). The newly issued shares of Convest common stock increased
Edisto's interest in Convest from 31% to 72%. Upon closing of the Edisto
Transaction, Convest's Board was restructured so that affiliates of Edisto
constituted a majority of the directors. Edisto subsequently increased its
interest in Convest to 73% through the purchase of 92,000 additional shares of
Convest common stock on the open market. The Edisto Transaction resulted in a
reverse acquisition by Edisto E&P of Convest, as further described below.
Accordingly, all future references to "Convest" or the "Company" will apply to
Edisto E&P. Any references to "CEC" are intended to apply solely to Convest
Energy Corporation prior to the reverse acquisition.
 
REVERSE ACQUISITION METHOD OF ACCOUNTING FOR EDISTO TRANSACTION
 
     Since Edisto acquired control of CEC through its 72% stock ownership and
majority of the CEC Board, the acquisition of Edisto E&P by CEC has been
accounted for as a reverse acquisition. Under accounting rules for a reverse
acquisition, Edisto E&P is considered the acquiring entity and CEC is considered
the acquired entity. As a result, the historical financial statements of CEC for
periods prior to the date of the Edisto Transaction are no longer presented.
Instead, the historical financial statements of the Company for periods prior to
the date of the Edisto Transaction are those of Edisto E&P. Therefore, in
accordance with the accounting rules for a reverse acquisition, the following
should be noted with respect to the consolidated financial statements presented
herein:
 
          (i) The Consolidated Statements of Operations of the Company for the
     year ended December 31, 1995 set forth the combined results of operations
     of CEC and Edisto E&P as if the Edisto Transaction had occurred on January
     1, 1995, with the preacquisition net loss of CEC being eliminated for
     purposes of determining net income. The Consolidated Statements of
     Operations for the year ended December 31, 1994 are those of Edisto E&P and
     do not include the historical results of CEC for such period;
 
          (ii) The Consolidated Statements of Stockholders' Equity of the
     Company for the years ended December 31, 1995 and 1994 have been
     retroactively restated to reflect the number of shares of CEC common stock
     received by Edisto in the Edisto Transaction, as if such shares had been
     issued as of the beginning of the period, and to reflect the CEC shares
     outstanding prior to the Edisto Transaction as being issued on the date of
     the Edisto Transaction; and
 
          (iii) The Consolidated Statements of Cash Flows of the Company for the
     years ended December 31, 1995 and 1994 do not include the cash flows of CEC
     for periods prior to the Edisto Transaction. For purposes of the
     Consolidated Statements of Cash Flows, the Edisto Transaction was
     substantially excluded since it was completed primarily with CEC Common
     Stock and accordingly resulted in a noncash transaction. Instead, only the
     cash balances of CEC at June 26, 1995 have been included as cash received
     by Edisto E&P as a result of the reverse acquisition.
 
<PAGE>   49
 
                           CONVEST ENERGY CORPORATION
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
EDISTO E&P PRIOR TO THE EDISTO TRANSACTION
 
     On October 26, 1992, Edisto and certain of its affiliates, including Edisto
E&P, filed voluntary petitions for reorganization pursuant to Chapter 11 of the
United States Bankruptcy Code in the United States Bankruptcy Court for the
District of Delaware. On June 29, 1993, Edisto's plan of reorganization became
effective, and Edisto substantially consummated its restructuring. Edisto E&P's
historical financial statements have been presented in conformity with the
AICPA's Statement of Position 90-7, "Financial Reporting By Entities in
Reorganization Under the Bankruptcy Code", issued November 1990 ("SOP 90-7"). In
accordance with SOP 90-7, Edisto E&P adopted fresh start reporting as of June
30, 1993, which provides for the allocation of the reorganization value of the
entity among the reorganized assets on the basis of the purchase method of
accounting.
 
(2) SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
 
     Principles of Consolidation. All significant intercompany accounts and
activities have been eliminated.
 
     Restricted Cash. Restricted cash consists of $333,000 of certificates of
deposit held by various financial institutions. The certificates of deposit are
held in escrow as collateral for letters of credit issued for (i) lease payments
on certain offshore platforms and (ii) estimated plugging and abandonment costs
expected to be incurred on certain onshore oil and gas properties.
 
     Property and Equipment. The Company follows the successful efforts method
of accounting for its oil and gas properties. Costs of productive wells,
developmental drilling expenditures, including developmental dry holes, and
productive leases are capitalized. Exploratory drilling costs, including
stratigraphic test wells, are initially capitalized, but charged to expense if
and when the well is determined to be unsuccessful. The capitalized costs of oil
and gas properties are charged to operations as depreciation, depletion and
amortization using the unit-of-production method based on the ratio of current
production to proved recoverable oil and gas reserves (as defined by the
Securities and Exchange Commission) on a lease by lease basis. Reserve estimates
for the Company's properties were prepared or audited by independent petroleum
engineering firms at year end. Gas is converted to equivalent barrels of oil on
an energy content basis of 6 Mcf of gas to 1 barrel of oil. Depreciation,
depletion and amortization per equivalent unit of oil production was $5.09,
$4.62 and $4.80 for the years ended December 31, 1996, 1995 and 1994,
respectively. Oil and gas leasehold costs are capitalized when incurred.
Unproved properties are assessed periodically on a property-by-property basis
and impairments in value are charged to expense. Exploratory expenses, including
geological and geophysical expenses and annual delay rentals, are charged to
expense as incurred.
 
     Prior to 1995, the Company provided an impairment reserve for proved oil
and gas properties to the extent that total capitalized costs less accumulated
depreciation and depletion, exceed expected undiscounted future net revenues
attributable to proved oil and gas reserves on an overall basis. During March
1995, the Financial Accounting Standards Board issued Statement of Financial
Accounting Standards No. 121 "Accounting for the Impairment of Long-Lived Assets
and for Long-Lived Assets to be Disposed Of" ("SFAS 121"). SFAS 121 requires the
Company to recognize an impairment loss for proved oil and gas properties if the
carrying value of such properties (i.e., total capitalized costs less
accumulated depreciation and depletion) exceeds the undiscounted expected future
cash flows attributable to such properties. Under SFAS 121, the Company must
assess the need for an impairment of capitalized costs of oil and gas properties
on a property-by-property basis. If an impairment is indicated based on
undiscounted expected future cash flows, then an impairment loss is recognized
to the extent that net capitalized costs exceed discounted expected future cash
flows.
 
     During the fourth quarter of 1995, the Company adopted SFAS 121 which
required the Company to recognize an impairment loss in 1995 of approximately
$5.9 million. The Company assessed the need for an impairment of its proved oil
and gas properties at December 31, 1995 using the prices of $17.42 per barrel of
 
<PAGE>   50
 
                           CONVEST ENERGY CORPORATION
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
oil and $1.61 per Mcf of gas. In 1996, the Company recognized an impairment loss
of $2.6 million. The Company assessed the need for an impairment at December 31,
1996 using the prices of $22.73 per barrel of oil and $2.21 per Mcf of gas.
 
     Other Property, Plant and Equipment. Other fixed assets are recorded at
cost and depreciated over their estimated useful lives using the straight-line
method of depreciation.
 
     Abandonment Reserve. The Company records its estimate of future abandonment
costs of offshore properties. Such costs are accrued using a unit-of-production
method based upon estimated proved recoverable reserves. Abandonment costs are
estimated under current regulations using current costs and are reviewed
periodically and adjusted as new information becomes available. Abandonment
costs on onshore properties are typically nominal due to the salvage value of
well equipment.
 
     Upon emerging from bankruptcy in July 1993, Edisto E&P entered into a
settlement with the United States Minerals Management Service relating to
estimated plugging and abandonment costs for 14 Gulf of Mexico OCS leases in
which Edisto E&P owned interests. Pursuant to this settlement, the operator of
the leases, Edisto E&P and other co-lessees were required to provide security
for payment of such costs through quarterly payments to an Abandonment Fund.
Subsequent to the Edisto Transaction, the Company continues to be subject to the
Abandonment Fund payments. During the second quarter of 1995, the Company sold
its interest in one of the offshore properties covered by the settlement
agreement and as such, is no longer subject to the Abandonment Fund payments
associated with the property. As of December 31, 1996 and 1995, the Company was
subject to total Abandonment Fund payments of $4.2 million and $4.3 million,
respectively.
 
     As of December 31, 1996 and 1995, the Company had made payments totaling
$4.2 million and $3.7 million to the Abandonment Fund, respectively. These
payments were applied to the total long-term abandonment reserve of $7.7 million
and $10.2 million, as of December 31, 1996 and 1995, respectively, resulting in
a net long-term abandonment reserve of $3.5 million and $6.5 million as of those
dates. The current portion of the abandonment reserve was $2.3 million and
$556,000 as of December 31, 1996 and 1995, respectively. The current portion of
the abandonment reserve is included in "Accrued Liabilities and Other" and the
noncurrent portion is included in "Other Noncurrent Liabilities" in the
consolidated financial statements.
 
     Lease Operating Expenses. In connection with a 1992 sale of certain future
production volumes of oil to Enron Reserve Acquisition Corp., the Company
established a reserve for the expenses associated with the volumes sold and
amortizes this reserve as the volumes are delivered. As of December 31, 1996 and
1995, the current balance of this reserve was $1.6 million and $1.8 million,
respectively, and the long-term balance was $3.7 million and $4.6 million,
respectively, and were presented in "Accrued Liabilities and Other" and "Other
Noncurrent Liabilities," respectively, in the consolidated financial statements.
 
     Gas Balancing. The Company uses the entitlement method of accounting for
gas imbalances. Receivables resulting from undertakes of gas production at
December 31, 1996 and 1995 were $2.3 million and $1.4 million, respectively, and
are included in "Oil and Gas Production Accounts Receivables" and "Other
Noncurrent Assets" in the consolidated financial statements. Deferred revenue
and payables resulting from overtakes of gas production at December 31, 1996 and
1995 were $2.7 million and $2.7 million, respectively, and are included in
"Deferred Revenue" and "Other Noncurrent Liabilities" in the consolidated
financial statements. The Company assumed a nominal gas imbalance liability from
CEC in the Edisto Transaction.
 
     Accounting for Income Taxes. The Company records income taxes in accordance
with the Financial Accounting Standards Board -- Statement of Financial
Accounting Standards No. 109 ("SFAS 109"), "Accounting for Income Taxes." SFAS
109 requires the balance sheet approach of income tax accounting whereby
deferred income taxes are provided at the balance sheet date for the differences
existing in the tax basis of assets and liabilities and their financial
statement carrying amounts.
 
<PAGE>   51
 
                           CONVEST ENERGY CORPORATION
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
     Concentration of Credit Risk. The Company's oil and gas production revenues
are derived principally from uncollateralized sales to customers in the oil and
gas industry. The concentration of credit risk in a single industry affects the
Company's overall exposure to credit risk because customers may be similarly
affected by changes in economic and other conditions. The Company has not
experienced significant credit losses on receivables from such sales. See Note
10 herein for a discussion of major purchasers of the Company's oil and gas
production.
 
     Net Income Per Share. Net income per share is computed based on the
weighted average number of shares outstanding which were 10,412,826 for the year
ended December 31, 1996, 8,374,342 for the year ended December 31, 1995 and
6,185,400 for the year ended December 31, 1994. No effect has been given to
options outstanding under the Company's stock option plans because their effect
is antidilutive or immaterial. See Notes 1 and 8 herein which discuss the
restated capital structure of the Company. The Company considers net income per
share information for periods prior to June 30, 1995 to be of limited value
since Edisto E&P was a wholly-owned subsidiary of Edisto prior to the Edisto
Transaction.
 
     Risk Management/Hedging Activities. The Company from time to time engages
in commodity hedging activities to minimize the risk of market fluctuations
associated with the price of crude oil and natural gas production. The hedging
objectives include assurance of stable and known cash flows and fixed favorable
prices. The hedges are effected through the purchase and sale of futures
contracts on the New York Mercantile Exchange ("NYMEX") and over the counter
price swap agreements. The credit risk of futures contracts is limited due to
the daily cash settlement of the net change in the value of open contracts and
because of certain NYMEX procedures. Gains or losses on the Company's hedging
agreements are deferred and recognized when the hedged transaction occurs, and
are recorded as oil and gas sales revenue.
 
     Statement of Cash Flows. For purposes of the consolidated statements of
cash flows, the Company considers all highly liquid investments purchased with a
maturity of three months or less to be cash equivalents.
 
     Use of Estimates. The preparation of financial statements in conformity
with generally accepted accounting principles requires management to make
estimates and assumptions that affect the reported amounts of assets and
liabilities and disclosure of contingent assets and liabilities at the date of
the financial statements and the reported amounts of revenues and expenses
during the reporting period. Actual results could differ from those estimates.
All significant estimates are discussed herein.
 
(3) ACQUISITIONS
 
EDISTO TRANSACTION
 
     The Edisto Transaction is described in Note 1 herein. As described therein,
the Edisto Transaction has been accounted for as a reverse acquisition since
Edisto acquired control of CEC.
 
     The total purchase price of the Edisto Transaction was $17.3 million which
was allocated to the CEC assets acquired and liabilities assumed based on their
estimated fair values as of June 26, 1995. Assets acquired and liabilities
assumed were assumed to have fair values equal to their historic book values
except for oil and gas properties. The purchase price of $17.3 million was
computed by totaling (i) Edisto's net cost basis of $7.0 million as of June 26,
1995 incurred to acquire 31.3% of the issued and outstanding shares of CEC in
November 1994, (ii) the fair market value of the 6,185,400 newly issued shares
of CEC Common Stock which was calculated as 40.8% of the market capitalization
of CEC immediately prior to the closing of the Edisto Transaction on June 26,
1995, using the $3.25 market price per share of CEC Common Stock on such date,
and (iii) the historical value of CEC's equity of $4.7 million attributable to
non-Edisto shareholders of CEC subsequent to the Edisto Transaction.
 
<PAGE>   52
 
                           CONVEST ENERGY CORPORATION
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
     Since the Edisto Transaction was completed primarily with the issuance of
newly issued shares of CEC common stock, the Company's Consolidated Balance
Sheet following the Edisto Transaction reflects the reverse acquisition of CEC,
but such noncash activity is excluded from the accompanying Consolidated
Statement of Cash Flows for the period prior to the Edisto Transaction. The
following table summarizes the noncash activity associated with the Edisto
Transaction:
 
<TABLE>
<CAPTION>
                                                              (IN THOUSANDS)
                                                              --------------
<S>                                                           <C>
Working Capital (Deficit), net of $716,000 cash acquired....      (6,631)
Property and Equipment......................................      41,085
Long-term debt..............................................     (17,850)
</TABLE>
 
SENSOR PROPERTIES ACQUISITION
 
     On May 1, 1995 and June 14, 1995, prior to the closing of the Edisto
Transaction, CEC and Edisto E&P acquired from Sensor Oil & Gas ("Sensor")
certain oil and gas properties located in Kansas, Oklahoma and Nebraska (the
"Sensor Properties"). CEC and Edisto E&P each paid one half of the aggregate
purchase price of $7.7 million (including approximately $332,000 of transaction
costs) plus the assumption of approximately $250,000 of net liabilities. The
bulk of the Sensor Properties were acquired on May 1, 1995, and the remaining
property interests, which were subject to limited partnerships, were acquired on
June 14, 1995. Since Edisto E&P and CEC each acquired identical interests in the
Sensor Properties, the purchase of such properties did not affect the purchase
price of the Edisto Transaction.
 
     Edisto E&P recorded its share of the Sensor Properties acquisition at cost,
and accordingly, such amounts are included in the accompanying Consolidated
Statements of Cash Flows. However, the Sensor Properties acquired by CEC were
considered to have been acquired by Edisto E&P in the Edisto Transaction, and
accordingly have been excluded from the Statement of Cash Flows as a noncash
transaction. See Note 1 for a discussion of the reverse acquisition method of
accounting used for the Edisto Transaction.
 
     The accompanying Consolidated Statements of Operations for the year ended
December 31, 1995 includes revenues of approximately $3.5 million and direct
operating expenses of approximately $1.4 million attributable to both CEC's and
Edisto E&P's interests in the Sensor Properties from the dates of the
acquisitions.
 
(4) RELATED PARTY TRANSACTIONS
 
     On June 26, 1995, CEC and Edisto consummated the Edisto Transaction as
described in Note 1 herein. In connection with the Edisto Transaction, CEC
granted registration rights to Edisto for the 7,506,771 shares of CEC common
stock owned by Edisto. On May 1, 1995 and June 14, 1995, CEC and Edisto E&P each
purchased one half of the Sensor Properties as described in Note 3 herein.
 
     In the Edisto Transaction, Edisto retained the tax benefits of the net
operating loss carryforwards ("NOL's") of Edisto E&P. The tax benefits include a
$3.3 million NOL usable for regular taxable income and a $3.6 million NOL usable
for alternative minimum taxable income. The Company determined that the use of
these NOLs would reduce its taxes for 1995 by approximately $437,000. In
addition, based on current projections of the Company's future taxable income,
it was determined that the remaining NOLs of Edisto E&P would be a valuable
asset that could be utilized by Convest in the near future. Accordingly, Edisto
allowed Convest to utilize the NOLs of Edisto E&P in consideration for the
payment by Convest of $550,000. At December 31, 1995 and 1996, the Company
recorded a deferred tax asset of $550,000 and a corresponding accounts payable
to Edisto which is presented in "Other Noncurrent Assets" and "Accounts Payable
Affiliates," respectively, in the consolidated financial statements.
 
<PAGE>   53
 
                           CONVEST ENERGY CORPORATION
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
     Since January 1995, Convest has had a gas marketing arrangement with Energy
Source, Inc. ("Energy Source"), which until December 1996 was a wholly-owned
subsidiary of Edisto. Under this arrangement, Energy Source markets a
substantial portion of the Company's gas production and assumes certain related
administrative functions. Energy Source marketed approximately 84% of the
Company's 1996 gas production. During 1996, Convest received a minimum price of
98% of the index for the applicable pipeline. Under the agreement, Energy Source
takes title to the gas before reselling it, thereby creating an account
receivable from Energy Source for the sold gas. At December 31, 1996, the
account receivable from Energy Source was $3.6 million, which is included in
"Accounts Receivable -- Oil and Gas Production" on the Consolidated Balance
Sheet. Convest sells such gas to Energy Source on open credit without requiring
a letter of credit or other security. Management believes the terms of the
Energy Source gas marketing arrangement are no less favorable to the Company
than those available from unaffiliated third parties.
 
     In December 1996, Energy Source was sold by Edisto to an unrelated third
party. In connection with the sale, Convest and Energy Source agreed to extend
the gas marketing agreement to December 31, 1997. Effective January 1, 1997, the
gas marketing agreement with Energy Source was amended to increase the minimum
price received by the Company from 98% to 100% of the index price for the
applicable pipeline.
 
     Prior to the sale of Energy Source, Edisto had provided Convest with access
to an AS400 computer system to run its accounting system and had provided MIS
support. The monthly cost to Convest was approximately $12,555 per month. In
connection with the sale of Energy Source, Edisto sold the AS400 computer system
and its MIS personnel became employees of the purchaser of Energy Source. Since
Convest continued to need an AS400 computer system to run its accounting system,
the Energy Source purchaser agreed to provide Convest with access to the AS400
computer system and MIS support through December 31, 1997. The cost to Convest
is $12,645 per month. This agreement may be terminated by Convest at any time
after June 30, 1997 upon 90 days notice.
 
     The Company and Edisto have a directors' and officers' fiduciary insurance
policy that covers both companies. During 1996 the annual insurance premium was
allocated 32% to the Company, for a cost of $96,000 based on the relative
percentage that the assets of the Company bear to the total assets of both the
Company and Edisto.
 
     Each of the affiliated party transactions described above was approved by
either a special committee of the Company's Board, which was composed of outside
directors with no affiliation to Edisto, or the unanimous consent of the
Company's Board.
 
     Effective July 1, 1995, the Company and Edisto agreed to share certain
administrative costs to reduce the overall cost that would otherwise be incurred
by each of them in the absence of such an arrangement. Under the arrangement,
certain costs associated with shareholder communication services and certain
administrative staff who perform duties on behalf of both entities are shared by
Convest and Edisto based on their respective utilization. In addition, the
salary of Michael Y. McGovern, who serves as the Chairman and Chief Executive
Officer of Edisto and Convest, is apportioned equally between the two entities.
 
     The Company and Edisto may enter into additional cost sharing arrangements
in the future. In order to avoid conflicts of interest in reaching any such
arrangements, the Company's Board of Directors established an Affiliate
Transaction Review Committee initially comprised of two non-employee directors
having no affiliation with Edisto. The Affiliate Transaction Review Committee is
responsible for conducting an appropriate review and unanimously approving all
affiliate party transactions, including, without limitation, all transactions
between the Company and Edisto and approving the method or basis for allocating
any shared administrative expenses between Edisto and the Company.
 
     Energy Source also executes trades of futures contracts on the New York
Mercantile Exchange on behalf of the Company. In this regard, Energy Source acts
solely in a ministerial capacity to purchase or sell the futures contracts at
price levels directed by the Company's management. Energy Source charges a
 
<PAGE>   54
 
                           CONVEST ENERGY CORPORATION
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
commission of $.0025 per Mcf of gas or barrel of crude oil for each trade
executed to cover Energy Source's administrative costs to perform such service.
 
(5) HEDGING ACTIVITIES
 
     As previously stated, the Company conducts its hedging activities through
major financial institutions. Set forth below is the contract amount and term of
all futures contracts held for price risk management purposes by the Company at
December 31, 1996 and 1995:
 
<TABLE>
<CAPTION>
                                            1996                     1995
                                    ---------------------   ----------------------
                                      OIL         GAS          OIL         GAS
                                    --------   ----------   ---------   ----------
<S>                                 <C>        <C>          <C>         <C>
Quantity Sold.....................  90 MBbls   3,300 Mmcf   285 MBbls   8,220 Mmcf
Maximum Term......................  9 Months   10 Months    11 Months   10 Months
Average Price.....................   $22.50      $2.53       $17.23       $1.86
</TABLE>
 
     At December 31, 1996, the Company had hedged approximately 10% and 27% of
its projected 1997 oil and gas production, respectively. The Company will
continue its hedging activities during 1997 in order to mitigate the volatility
of its crude oil and natural gas prices. Gains and losses realized upon the
settlement of the Company's hedge positions are deferred and recognized as oil
and gas sales revenue in the month of the underlying physical production being
hedged. The Company's losses from hedging were $7.8 million and $421,000 during
1996 and 1995, respectively. The fair value of the Company's open positions at
December 31, 1996 were $728,230. The fair value of the Company's hedges was
based on the cost that would have been incurred to buy out those hedges in a
loss position and the consideration that would have been received to terminate
those hedges in a gain position. The cash margin required by the counterparts to
the Company's hedging activities totaled $1.0 and $5.1 million as of December
31, 1996 and 1995, respectively, and are included in other current assets.
 
(6) INCOME TAXES
 
     The Company records current income taxes based on its estimated actual tax
liability for the year. The Company provides for deferred income taxes under
SFAS 109 based upon differences between the tax basis of the Company's assets
and liabilities and their financial statement carrying amounts multiplied by the
Company's expected future effective tax rate.
 
     The following table summarizes the Company's deferred tax assets and
liabilities and related valuation allowances as of December 31, 1996 and 1995:
 
<TABLE>
<CAPTION>
                                                                1996        1995
                                                              --------    --------
                                                                 (IN THOUSANDS)
<S>                                                           <C>         <C>
Deferred tax assets:
  Net operating loss carryforwards..........................  $  5,025    $  6,688
  Plugging & abandonment reserve............................     4,461       4,218
  Depreciation of property & equipment......................     2,611       3,409
  Other.....................................................     1,123       2,571
                                                              --------    --------
                                                                13,220      16,886
Deferred tax liabilities....................................    (1,630)     (1,889)
Valuation allowance.........................................   (11,040)    (14,447)
                                                              --------    --------
Net deferred income tax asset...............................  $    550    $    550
                                                              ========    ========
</TABLE>
 
     At December 31, 1996, the Company had net operating loss carryforwards of
$12.7 million, which expire (if not utilized) in the years 1997 to 2010. Due to
the Edisto transaction, the amount of CEC's separate
 
<PAGE>   55
 
                           CONVEST ENERGY CORPORATION
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
company net operating loss carryforward which can be utilized in any year is
limited to approximately $800,000 per year due to the change in control.
 
     The deferred tax assets are due principally to previous write downs
incurred on oil and gas properties for book purposes which were not recorded for
tax purposes and accruals which were made for abandonment costs for book
purposes which were not made for tax purposes. The deferred tax liability
relates principally to prepaid costs being expensed for tax purposes and
capitalized for financial reporting purposes.
 
     The Company has provided a valuation allowance against deferred tax assets
which do not meet the "more-likely-than-not" criteria for recognition of a
deferred tax asset under SFAS 109. At December 31, 1995, the Company purchased
approximately $3.3 million of NOL tax benefits from Edisto. See Footnote 4 under
"Notes to Consolidated Financial Statements."
 
     The following summarizes the major differences between the Company's
statutory and effective tax rates for each of the three years ended December 31:
 
<TABLE>
<CAPTION>
                                                              1996    1995    1994
                                                              ----    ----    ----
<S>                                                           <C>     <C>     <C>
Statutory tax rate..........................................   35%     35%     35%
Utilization of net operating losses.........................  (33)    (35)    (33)
                                                              ---     ---     ---
Effective rate..............................................    2%     --%      2%
                                                              ===     ===     ===
</TABLE>
 
(7) LONG-TERM DEBT
 
     On June 26, 1995, simultaneous with the closing of the Edisto Transaction,
the Company entered into an Amended and Restated Secured Revolving Credit
Agreement (the "Agreement") with Bank One, Texas, N.A. ("Bank One"), and Compass
Bank-Houston. This facility, which terminates January 1, 1999, combined the
existing credit facilities of CEC and Edisto E&P. Bank One serves as agent bank
of the Agreement. The Agreement is secured by a first lien on all of the
Company's assets, including its oil and gas properties and gas plant. The
borrowing base is redetermined semi-annually on May 31 and November 30 of each
year by the lending banks based on engineering criteria established by the
banks. Interest on borrowings under the Agreement is computed at (i) the agent
bank's prime lending rate (the "Base Rate") plus  3/4% or (ii) the London Inter
Bank Offering Rate ("LIBOR") plus 2 3/4%. In addition, the Company pays a
commitment fee equal to  1/2% on any commitment amount in excess of outstanding
borrowings.
 
     The Agreement contains certain covenants regarding the Company's
consolidated net worth and cash flow to debt service. In addition, the Agreement
places certain limitations on the Company's ability to incur certain types of
additional debt.
 
     During December 1996, the Company was notified by its lending banks that
its redetermined borrowing base was $19.2 million effective December 1, 1996 and
will reduce by $1.0 million monthly beginning January 1, 1997 based on the
lending banks estimate of production. As of December 31, 1996 and 1995, the
Company had outstanding borrowing under its credit facility totaling $4.0
million and $19.2 million, respectively. In addition, the Company had an
additional $200,000 of letters of credit outstanding at December 31, 1996,
primarily related to performance bonds issued for oil and gas operations. As of
December 31, 1996, all of the Company's outstanding borrowings were subject to
Base Rate interest at an effective rate of 9% per annum.
 
(8) CAPITAL STOCK
 
     In accordance with the accounting rules for a reverse acquisition, Edisto
E&P has assumed CEC's capital structure as of the date of the Edisto Transaction
(June 26, 1995) and prior period equity balances and
 
<PAGE>   56
 
                           CONVEST ENERGY CORPORATION
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
earnings per share have been retroactively adjusted to reflect this change. See
Note 1 for a more detailed description of the capital structure changes.
 
     At December 31, 1996, the Company's authorized capital consists of (i)
5,000,000 shares of preferred stock, $1 par value per share, none of which are
issued and outstanding, and (ii) 20,000,000 shares of common stock, $.01 par
value per share, 10,428,602 of which were issued and outstanding at such date.
 
     In 1990, CEC adopted the 1990 Employee Stock Option Plan (the "1990 Plan")
pursuant to which CEC could grant options for up to 260,000 shares of common
stock. In 1993, CEC adopted the 1993 Incentive Stock Plan (the "1993 Plan")
pursuant to which CEC could grant options and stock bonuses for up to 95,000
shares of common stock, no more than 15,000 of which could be issued as stock
bonuses. Options granted under both the 1990 Plan and the 1993 Plan vest at 25%
per year on each anniversary of the grant while stock bonuses granted under the
1993 Plan may be granted at such time and subject to such conditions as
determined by the Compensation Committee of the Board of Directors.
 
     On October 3, 1995, the Board of Directors approved, subject to shareholder
approval, (i) the 1995 Stock Incentive Plan (the "1995 Plan") pursuant to which
up to 1,000,000 shares of common stock may be issued and which includes formula
grants to the outside directors, (ii) the issuance of 405,000 options to
employees at an exercise price of $3.25, subject to certain conditions, and
(iii) the issuance of 50,000 options to the outside directors at an exercise
price of $3.25. The Company's shareholders approved the 1995 Plan on June 3,
1996. Certain of the options granted to the employees required their agreement
to cancel any options outstanding under the 1990 Plan and the 1993 Plan.
Accordingly, as of December 31, 1996, all of the options under the 1990 Plan and
the 1993 Plan have either expired or been canceled, and the 1990 Plan and the
1993 Plan have been terminated.
 
     The following table summarizes the activity in options under the 1990 Plan,
the 1993 Plan and the 1995 Plan. As of December 31, 1996, the only options
outstanding were under the 1995 Plan.
 
<TABLE>
<CAPTION>
                                    1996                  1995                 1994
                             -------------------   ------------------   ------------------
                                        WEIGHTED             WEIGHTED             WEIGHTED
                                        AVERAGE              AVERAGE              AVERAGE
                                        EXERCISE             EXERCISE             EXERCISE
                              SHARES     PRICE     SHARES     PRICE     SHARES     PRICE
                             --------   --------   -------   --------   -------   --------
<S>                          <C>        <C>        <C>       <C>        <C>       <C>
Outstanding, Beginning of
  year.....................   259,250    $6.38     302,500    $6.64     211,750    $5.81
Granted....................   477,932     3.41      17,500     3.44     107,500     8.25
Exercised..................   (15,880)    3.25          --       --      (5,000)    5.55
Canceled...................  (264,250)    6.32     (60,750)    6.85     (11,750)    6.77
                             --------              -------              -------
End of year................   457,052    $3.42     259,250    $6.38     302,500    $6.64
                             --------              -------              -------
Exercisable, end of year...   269,029    $3.25     206,625    $6.21     250,750    $5.78
Weighted average fair value
  of options granted.......  $   2.13              $  1.99
</TABLE>
 
     Convest applies Accounting Principles Board (APB) Opinion 25 and related
interpretations in accounting for its stock option plans. In accordance with APB
Opinion 25, no compensation expense has been recognized for stock options
granted for the years 1996, 1995 and 1994. Had compensation costs for these
plans been determined based on the fair value for awards under those plans,
consistent with the method of
<PAGE>   57
 
                           CONVEST ENERGY CORPORATION
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
Statement of Financial Accounting Standards No. 123 "Accounting for Stock-Based
Compensation," Convest's net income and earnings per share would have been as
follows:
 
<TABLE>
<CAPTION>
                                                               1996           1995
                                                              -------        ------
                                                              (IN THOUSANDS, EXCEPT
                                                               PER SHARE AMOUNTS)
<S>                                                           <C>            <C>
Net Income/(Loss) As Reported...............................    8,070          (940)
  Pro Forma.................................................    7,053          (975)
Earnings Per Share As Reported..............................      .77          (.11)
  Pro Forma.................................................      .68          (.12)
</TABLE>
 
     The fair value of each option grant is estimated on the date of grant using
the Black-Scholes option pricing model with the following weighted average
assumptions used for grants in 1996 and 1995, respectively: risk-free interest
rates of 6.18% and 6.10% and expected volatility of 37.89% and 37.68%. The
expected lives of the options are 10 years and no dividends are expected.
 
     410,581 of the 457,052 options have an exercise price of $3.25 and a
remaining contractual life of 9 years. 269,029 of these options are exercisable
at December 31, 1996. The remaining 46,471 options have exercise prices between
$5.18 and $5.32, with a weighted average exercise price of $5.26 and a weighted
average contractual life of 9.5 years. None of these options are exercisable at
December 31, 1996.
 
(9) EMPLOYEE BENEFITS
 
     During 1995, the Company maintained a plan qualified under Section 401(k)
of the Internal Revenue Code (the "Plan"). All qualified employees of the
Company were entitled to participate in the Plan upon completion of twelve
months of service with the Company. As previously amended by the Board of
Directors, effective January 1, 1994, a participant could contribute up to 15%
of their compensation to the Plan on a pre-tax basis and the Company contributed
matching contributions to the account of the participant equal to 75% of the
participant's contribution, not to exceed 4.5% of the participant's
compensation. Contributions by the Company vested over five years of service at
a rate of 20% per year. During the year ended December 31, 1995, the Company
expensed approximately $70,000 associated with matching contributions in
accordance with the Plan.
 
     The Plan was amended and restated effective January 1, 1996. Under the
amended Plan, all qualified employees of the Company are entitled to
participate, regardless of time of service with the Company; however, a new
entrant to the Plan may only do so on January 1 and July 1. Under the terms of
the Plan, an employee may contribute up to a maximum of 15% of their pre-tax
annual compensation and the Company will make matching contributions to the
account of the participant equal to 6% of the participant's annual compensation
up to a maximum limit of $1,864 per year. In addition, the Board of Directors
may determine, on a year-by-year basis, to contribute an additional amount which
would be allocated to participating employees based on their relative
compensation. The Board of Directors of the Company approved an additional
matching contribution of 5% for the 1996 plan year.
 
(10) MARKETING ARRANGEMENTS AND MAJOR CUSTOMERS
 
     During May 1995, the Company entered into a marketing agreement with a
third party to market a substantial portion of the Company's crude oil
production. While the percentage of the Company's oil production marketed under
this agreement will vary from time to time, the percentage marketed in 1996 was
approximately 53% of the Company's crude oil production. Under the agreement,
the Company receives no less than the amount it would have received by selling
its crude oil production volumes based on the posted field price. The Company
requires the third party to post a letter of credit each month to secure the
crude oil
 
<PAGE>   58
 
                           CONVEST ENERGY CORPORATION
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
production volumes sold, which is canceled upon receipt of the sale proceeds.
This agreement continues on a month-to-month basis subject to cancellation upon
sixty days written notice.
 
     The Company marketed approximately 84% of its 1996 gas production under an
agreement with Energy Source, Inc. See Note 4 herein for a description of this
agreement.
 
     The following customers individually accounted for 10% of the oil and gas
sales of Convest during one or more of the three years ended December 31, 1996:
 
<TABLE>
<CAPTION>
                                                              YEAR ENDED DECEMBER 31,
                                                              ------------------------
                                                              1996      1995      1994
                                                              ----      ----      ----
<S>                                                           <C>       <C>       <C>
Natural Gas Clearinghouse...................................   --%        1%       21%
Energy Source, Inc..........................................   49        37        --
Chevron USA, Inc............................................    1         2        17
Texon.......................................................   20         9        --
                                                               --        --        --
                                                               70%       49%       38%
                                                               ==        ==        ==
</TABLE>
 
     Since oil and gas are readily marketable commodities, management believes
the loss of any of these major purchasers would not have a significant impact on
the Company's operations.
 
(11) COMMITMENTS AND CONTINGENCIES
 
     Legal Proceedings. Elizabeth Holt, et al. v. Sun E & P Company, et al., No.
3,217 in the 84th District Court, Hansford County, Texas. This suit was
originally filed in August 1984, seeking to cancel a 13-section lease because
there was no gas production for a period of approximately 120 days in 1983 when
the gas purchaser's pipeline was shutdown for repairs. The plaintiff sought to
terminate the lease by reason of non-production as of September 23, 1983. If the
plaintiff is successful, the Company would be liable for damages on past
production in the range of $300,000 to $350,000, plus pre-judgment interest and
attorneys fees, which would total approximately $400,000 to $450,000. The court
entered a judgment on December 20, 1996 denying all relief sought by the
plaintiffs against Convest. This judgment is being appealed by the plaintiffs.
The predecessor in interest to Convest has indemnified Convest to a maximum of
$357,000 in value for the well provided that total damages exceed $250,000.
 
     In addition, the Company is named as defendant in several lawsuits arising
in the ordinary course of business. While the outcome of lawsuits and other
proceedings against the Company cannot be predicted with certainty, management
does not expect these matters to have a material adverse effect on the Company's
financial position or results of operations.
 
     Lease Commitments. Minimum future payments under operating leases are
$275,000 during 1997, $21,000 during 1998, $10,000 during 1999, $4,000 during
2000 and zero thereafter.
 
<PAGE>   59
 
                           CONVEST ENERGY CORPORATION
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
(12) SELECTED QUARTERLY FINANCIAL INFORMATION (UNAUDITED)
 
<TABLE>
<CAPTION>
                                                             QUARTER ENDED
                                          ---------------------------------------------------
                                          MARCH 31,   JUNE 30,   SEPTEMBER 30,   DECEMBER 31,
                                            1996        1996         1996            1996
                                          ---------   --------   -------------   ------------
                                                 (IN THOUSANDS, EXCEPT PER SHARE DATA)
<S>                                       <C>         <C>        <C>             <C>
Revenues................................   $12,436    $10,619       $11,440        $15,250
Oil & gas sales, net of production
  costs.................................   $ 7,126    $ 6,421       $ 8,024        $10,789
Impairment of oil and gas properties....   $    --    $ 1,120       $    --        $ 1,513
Net income (loss).......................   $ 2,087    $  (638)      $ 1,149        $ 5,472
Net income (loss) per weighted average
  share outstanding.....................   $  0.20    $ (0.06)      $  0.11        $  0.52
</TABLE>
 
<TABLE>
<CAPTION>
                                                             QUARTER ENDED
                                          ---------------------------------------------------
                                          MARCH 31,   JUNE 30,   SEPTEMBER 30,   DECEMBER 31,
                                            1996        1996         1996            1996
                                          ---------   --------   -------------   ------------
<S>                                       <C>         <C>        <C>             <C>
Revenues................................   $13,286    $13,056       $11,482        $13,156
Oil & gas sales, net of production
  costs.................................   $ 8,471    $ 8,108       $ 7,115        $ 9,069
Impairment of oil and gas properties....   $    --    $    --       $    --        $(5,911)
Elimination of preacquisition net loss
  of CEC................................   $   640    $ 1,024       $    --        $    --
Net income (loss).......................   $ 1,872    $(1,029)      $    46        $(3,887)
Net income (loss) per weighted average
  share outstanding.....................   $  0.30    $ (0.16)      $    --        $ (0.37)
</TABLE>
 
(13) SUPPLEMENTAL OIL AND GAS RESERVE INFORMATION
 
     The provisions of Statement of Financial Accounting Standards No. 69
require the disclosure of the following information relative to Convest's oil
and gas reserves and producing activities.
 
<TABLE>
<CAPTION>
                                                                 YEAR ENDED DECEMBER 31,
                                                             --------------------------------
                                                               1996        1995        1994
                                                             --------    --------    --------
                                                                      (IN THOUSANDS)
<S>                                                          <C>         <C>         <C>
CAPITALIZED COSTS RELATING TO OIL AND GAS PRODUCING
  ACTIVITIES
  Proved oil and gas properties............................  $114,063    $110,373    $ 66,617
  Unproved oil and gas properties..........................     3,244       3,828         997
                                                             --------    --------    --------
                                                              117,307     114,201      67,614
  Accumulated depreciation, depletion and amortization.....   (62,847)    (50,144)    (29,289)
                                                             --------    --------    --------
  Net capitalized costs....................................  $ 54,460    $ 64,057    $ 38,325
                                                             ========    ========    ========
COSTS INCURRED IN OIL AND GAS PROPERTY ACQUISITION,
  EXPLORATION AND DEVELOPMENT ACTIVITIES
  Acquisition of producing properties and leasehold costs:
     Proved................................................  $    163    $  3,069    $     15
     Unproved..............................................        --          --          17
  Reverse Acquisition of CEC...............................        --      40,935          --
  Exploration costs........................................     3,907          --         210
  Development costs........................................     9,249       6,406       3,812
                                                             --------    --------    --------
                                                             $ 13,319    $ 50,410    $  4,054
                                                             ========    ========    ========
</TABLE>
 
<PAGE>   60
 
                           CONVEST ENERGY CORPORATION
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
RESERVE QUANTITY INFORMATION (UNAUDITED)
 
     The following table sets forth the estimates of Convest's share of net
quantities of proved reserves of oil and gas and a reconciliation of the changes
in such quantities, developed or audited by independent petroleum engineers in
accordance with guidelines established by the Securities and Exchange Commission
and the Financial Accounting Standards Board. Convest emphasizes that reserve
quantity estimates are inherently imprecise. Accordingly, these estimates are
expected to change as future information becomes available. Changes in reserve
quantities or prices and costs in future reserve estimates could have a
significant effect on future depreciation, depletion and amortization or
impairments of oil and gas properties. All reserves are located in the United
States.
 
<TABLE>
<CAPTION>
                                                               OIL AND
                                                              CONDENSATE    NATURAL GAS
                                                               (MBBLS)        (MMCF)
                                                              ----------    -----------
<S>                                                           <C>           <C>
Proved reserves, December 31, 1993..........................     1,012         59,340
  Revisions of previous estimates...........................       220         10,134
  Sales of minerals in place................................       (11)        (7,236)
  Extensions, discoveries and other additions...............        --             --
  Production................................................      (584)       (19,295)
                                                                ------        -------
Proved reserves, December 31, 1994..........................       637         42,943
  Revision of previous estimates............................       872         (5,797)
  Sale of minerals in place.................................       (50)          (133)
  Reverse acquisition of CEC................................     5,474         17,509
  Acquisition of Sensor Properties (a)......................       756            172
  Extensions, discoveries and other additions...............       140          3,820
  Production................................................    (1,306)       (17,968)
                                                                ------        -------
Proved reserves, December 31, 1995..........................     6,523         40,546
  Revisions of previous estimates...........................       889          5,757
  Sales of minerals in place................................      (341)        (2,105)
  Extensions, discoveries and other additions...............       296          6,546
  Production................................................    (1,023)       (13,162)
                                                                ------        -------
Proved reserves, December 31, 1996..........................     6,344         37,582
                                                                ======        =======
Proved developed reserves:
  December 31, 1993.........................................       949         49,111
  December 31, 1994.........................................       607         42,540
  December 31, 1995.........................................     5,818         39,231
  December 31, 1996.........................................     5,493         35,075
</TABLE>
 
- ---------------
 
(a) Reserve additions associated with the Sensor Properties acquisition
    represents only the reserves associated with Edisto E&P's interest as CEC's
    interest in the Sensor Properties was considered to have been acquired by
    Edisto E&P in the Edisto Transaction.
 
<PAGE>   61
 
                           CONVEST ENERGY CORPORATION
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
STANDARDIZED MEASURE OF DISCOUNTED FUTURE NET CASH FLOWS AND CHANGES THEREIN
RELATING
  TO PROVED OIL AND GAS RESERVES (UNAUDITED)
 
     The following table presents the standardized measure of discounted future
net cash flows and changes therein relating to proved oil and gas reserves
pursuant to Securities and Exchange Commission Regulation S-X, Rule 4-10 and
Statement of Financial Accounting Standards No. 69. In computing this data,
assumptions other than those required by the Securities and Exchange Commission
and the Financial Accounting Standards Board could produce different results.
Accordingly, the data should not be construed as representative of the fair
market value of Convest's proved oil and gas reserves.
 
     Future cash flow estimates were derived by applying year-end prices and
costs to estimated future production. Convest's gas production is either sold at
fixed prices contracted for with given purchasers or at prevailing spot market
prices. Future production and development costs were computed by estimating the
expenditures to be incurred in developing and producing the proved oil and gas
reserves, based on year-end costs and continued existing economic conditions.
The standardized measure of discounted future net cash flows represents the
present value of estimated future net cash flows, discounted at a rate of 10%
per year.
 
     Numerous uncertainties are inherent in estimating quantities of proved
reserves, projecting future rates of production and the timing of development
expenditures. Future prices received for such production and future production
costs may vary, perhaps significantly, from the prices and costs assumed for
purposes of these estimates. Estimates of economically recoverable oil and gas
reserves and of the future net revenues therefrom are based upon a number of
variable factors and assumptions, all of which may in fact vary considerably
from actual results. All such estimates are to some degree speculative, and
classifications of reserves are only attempts to define the degree of
speculation involved. The Company emphasizes that the actual production,
revenues, severance and excise taxes, development expenditures and operating
expenditures with respect to its reserves will likely vary from such estimates,
and such variances may be material.
 
<TABLE>
<CAPTION>
                                                                      AT DECEMBER 31,
                                                              --------------------------------
                                                                1996        1995        1994
                                                              ---------   ---------   --------
                                                                       (IN THOUSANDS)
<S>                                                           <C>         <C>         <C>
Future cash inflows.........................................  $ 310,591   $ 214,687   $ 79,331
Future production and development costs.....................   (117,030)   (116,343)   (48,733)
Future income taxes.........................................    (33,366)     (2,925)        --
                                                              ---------   ---------   --------
Future net cash flows.......................................    160,195      95,419     30,598
10% annual discount for estimated timing of cash flows......    (38,841)    (23,452)    (3,143)
                                                              ---------   ---------   --------
Standardized measure of discounted future net cash flows....  $ 121,354   $  71,967   $ 27,455
                                                              =========   =========   ========
Beginning of period.........................................  $  71,967   $  27,455   $ 75,020
  Changes resulting from:
     Sales of oil and gas produced, net of production
       costs................................................    (32,360)    (32,763)   (34,559)
     Net changes in prices and production costs.............     55,216       9,443    (26,666)
     Extensions and discoveries, less related costs.........     23,442       8,601         --
     Reverse acquisition of CEC.............................         --      53,102         --
     Acquisition of Sensor Properties (a)...................         --       4,838         --
     Sales of reserves in place.............................     (4,091)       (519)    (8,434)
     Revisions of previous quantity estimates...............     23,015        (622)     9,809
     Accretion of discount..................................      7,197       2,746      7,502
     Changes in future development costs....................        (24)      1,905      3,379
     Net change in income taxes.............................    (22,181)     (2,509)        --
     Changes in timing and other............................       (827)        290      1,404
                                                              ---------   ---------   --------
End of period...............................................  $ 121,354   $  71,967   $ 27,455
                                                              =========   =========   ========
</TABLE>
<PAGE>   62
 
                           CONVEST ENERGY CORPORATION
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
<TABLE>
<CAPTION>
                                                                      AT DECEMBER 31,
                                                              --------------------------------
AVERAGE PRICES                                                  1996        1995        1994
- --------------                                                ---------   ---------   --------
<S>                                                           <C>         <C>         <C>
Oil (per Bbl)...............................................  $   26.01   $   19.48   $  14.67
Gas (per Mcf)...............................................  $    3.87   $    2.16   $   1.63
</TABLE>
 
- ---------------
 
(a) Discounted future net revenues associated with the Sensor Properties
    acquisition represents only the discounted future net revenues associated
    with Edisto E&P's interest as CEC's interest in the Sensor Properties was
    considered to have been acquired by Edisto E&P in the Edisto Transaction.
 
     Subsequent to the reserve valuation date of December 31, 1996, prices for
oil and natural gas have decreased substantially. The average prices received
for February 1997 were $20.75 per barrel and $2.85 per Mcf. Prices have
continued to decline since then so the Company expects that the prices it will
receive in March 1997 will be lower than in the prior month. This decrease in
prices would have had an effect on the Standardized Measure of Discounted Cash
Flows of the Company's proved reserves at January 1, 1997.
<PAGE>   63
 
                           CONVEST ENERGY CORPORATION
 
                          CONSOLIDATED BALANCE SHEETS
                                 (IN THOUSANDS)
 
   
<TABLE>
<CAPTION>
                                         ASSETS
                                                               JUNE 30,      DECEMBER 31,
                                                                 1997            1996
                                                              -----------    ------------
                                                              (UNAUDITED)
<S>                                                           <C>            <C>
Current assets:
  Cash and cash equivalents.................................   $  7,036        $  3,678
  Restricted cash...........................................        333             333
  Accounts receivable:
     Oil and gas production -- less allowance for doubtful
      accounts of $596 and $657, respectively...............      5,753           7,908
     Other..................................................      1,377             598
  Other current assets......................................        818           2,267
                                                               --------        --------
          Total current assets..............................     15,317          14,784
                                                               --------        --------
Property and equipment:
  Oil and gas properties, successful efforts method.........    118,117         117,307
  Other.....................................................        533             478
  Less accumulated depreciation and depletion...............    (64,068)        (63,061)
                                                               --------        --------
                                                                 54,582          54,724
                                                               --------        --------
Other noncurrent assets.....................................      2,618           2,704
                                                               --------        --------
                                                               $ 72,517        $ 72,212
                                                               ========        ========
 
                          LIABILITIES AND STOCKHOLDERS' EQUITY
Current liabilities:
  Accounts payable:
     Oil and gas production.................................   $  7,095        $  8,521
     Affiliates.............................................        372             667
  Accrued liabilities and other.............................      4,696           6,041
  Deferred revenue..........................................      1,906           2,113
                                                               --------        --------
          Total current liabilities.........................     14,069          17,342
                                                               --------        --------
Long-term liabilities:
  Long-term debt............................................          3           4,003
  Deferred revenue..........................................        530             559
  Other noncurrent liabilities..............................      5,505           7,170
                                                               --------        --------
                                                                  6,038          11,732
                                                               --------        --------
Commitments and contingencies
Stockholders' equity:
  Preferred stock, $1 par value; authorized 5 million
     shares; none issued or outstanding.....................         --              --
  Common Stock $.01 par value; 20,000,000 shares authorized,
     10,550,878 and 10,428,602 issued and outstanding at
     June 30, 1997 and December 31, 1996, respectively......        105             104
  Additional paid-in capital................................     48,301          47,849
  Retained earnings (deficit)...............................      4,004          (4,815)
                                                               --------        --------
                                                                 52,410          43,138
                                                               --------        --------
                                                               $ 72,517        $ 72,212
                                                               ========        ========
</TABLE>
    
 
          See accompanying notes to consolidated financial statements.
 
<PAGE>   64
 
                           CONVEST ENERGY CORPORATION
 
                     CONSOLIDATED STATEMENTS OF OPERATIONS
                      (IN THOUSANDS EXCEPT PER SHARE DATA)
 
<TABLE>
<CAPTION>
                                                               SIX MONTHS ENDED
                                                                   JUNE 30,
                                                              ------------------
                                                               1997       1996
                                                              -------    -------
                                                                 (UNAUDITED)
<S>                                                           <C>        <C>
Revenues:
  Oil and gas sales.........................................  $24,905    $21,329
  Gas plant revenues........................................    1,002        704
  Gain on asset sale........................................       63        817
  Other, net................................................      224        205
                                                              -------    -------
                                                               26,194     23,055
                                                              -------    -------
Expenses:
  Production:
     Lease operating expense................................    5,744      7,636
     Gas plant operating expense............................      230        232
     Production taxes.......................................      533        617
  Abandonment and exploration costs.........................    1,147        921
  General and administrative expenses.......................    2,188      2,281
  Interest expense..........................................       72        674
  Depreciation, depletion and amortization..................    7,305      7,908
  Impairment of oil and gas properties......................       --      1,120
                                                              -------    -------
                                                               17,219     21,389
                                                              -------    -------
Net income before income taxes..............................    8,975      1,666
Income tax provision........................................      156        217
                                                              -------    -------
Net income..................................................  $ 8,819    $ 1,449
                                                              =======    =======
Net income per share........................................  $  0.84    $  0.14
                                                              =======    =======
Weighted average common shares outstanding..................   10,472     10,413
                                                              =======    =======
</TABLE>
 
          See accompanying notes to consolidated financial statements.
 
<PAGE>   65
 
                           CONVEST ENERGY CORPORATION
 
                     CONSOLIDATED STATEMENTS OF OPERATIONS
                      (IN THOUSANDS EXCEPT PER SHARE DATA)
 
<TABLE>
<CAPTION>
                                                               THREE MONTHS ENDED
                                                                    JUNE 30,
                                                              --------------------
                                                               1997         1996
                                                              -------      -------
                                                                   (UNAUDITED)
<S>                                                           <C>          <C>
Revenues:
  Oil and gas sales.........................................  $11,843      $10,170
  Gas plant revenues........................................      400          343
  Gain (loss) on asset sale.................................      (59)           5
  Other, net................................................      119          101
                                                              -------      -------
                                                               12,303       10,619
                                                              -------      -------
Expenses:
  Production:
     Lease operating expense................................    2,789        3,675
     Gas plant operating expense............................       56          110
     Production taxes.......................................      240          307
  Abandonment and exploration costs.........................       56          878
  General and administrative expenses.......................    1,058        1,042
  Interest expense..........................................       16          307
  Depreciation, depletion and amortization..................    3,682        3,770
  Impairment of oil and gas properties......................       --        1,120
                                                              -------      -------
                                                                7,897       11,209
                                                              -------      -------
Net income (loss) before income taxes.......................    4,406         (590)
Income tax provision........................................       59           48
                                                              -------      -------
Net income (loss)...........................................  $ 4,347      $  (638)
                                                              =======      =======
Net income (loss) per share.................................  $  0.41      $ (0.06)
                                                              =======      =======
Weighted average common shares outstanding..................   10,508       10,413
                                                              =======      =======
</TABLE>
 
          See accompanying notes to consolidated financial statements.
 
<PAGE>   66
 
                           CONVEST ENERGY CORPORATION
 
                CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY
                     FOR THE SIX MONTHS ENDED JUNE 30, 1997
                                 (IN THOUSANDS)
                                  (UNAUDITED)
 
<TABLE>
<CAPTION>
                                               COMMON       COMMON    ADDITIONAL   RETAINED
                                               SHARES       STOCK,     PAID-IN     EARNINGS
                                             OUTSTANDING   $.01 PAR    CAPITAL     (DEFICIT)    TOTAL
                                             -----------   --------   ----------   ---------   -------
<S>                                          <C>           <C>        <C>          <C>         <C>
Balance at December 31, 1996...............    10,428         $104     $47,849      $(4,815)   $43,138
Exercised employee stock options...........       107            1         347           --        348
Stock issued pursuant to 1996 bonus plan...        18           --         105           --        105
Retirement of stock issued in connection
  with the conversion of the stock of
  Convest's predecessor entity into stock
  of Convest...............................        (2)          --          --           --         --
Net income.................................        --           --          --        8,819      8,819
                                               ------         ----     -------      -------    -------
Balance at June 30, 1997...................    10,551         $105     $48,301      $ 4,004    $52,410
                                               ======         ====     =======      =======    =======
</TABLE>
 
          See accompanying notes to consolidated financial statements.
<PAGE>   67
 
                           CONVEST ENERGY CORPORATION
 
                     CONSOLIDATED STATEMENTS OF CASH FLOWS
                                 (IN THOUSANDS)
 
<TABLE>
<CAPTION>
                                                                 SIX MONTHS ENDED
                                                                     JUNE 30,
                                                              ----------------------
                                                               1997         1996
                                                              -------    -----------
                                                                   (UNAUDITED)
<S>                                                           <C>        <C>
Cash flows from operating activities:
  Net income................................................  $ 8,819      $ 1,449
  Adjustments to reconcile net income to net cash provided
     by operating activities:
     Depreciation, depletion and amortization...............    7,305        7,908
     Impairment to oil and gas properties...................       --        1,120
     Gain on sale of oil and gas properties.................      (63)        (797)
     Abandonment and exploration costs......................      665          781
     Decrease in accounts receivable........................    1,031          560
     Decrease in accounts payable and accrued liabilities...   (2,980)        (345)
     Other..................................................       24          184
                                                              -------      -------
     Net cash flow provided by operating activities.........   14,801       10,860
                                                              -------      -------
Cash flows from investing activities:
  Acquisition, exploration and development of oil and gas
     properties.............................................   (9,534)      (4,721)
  Proceeds from sales of oil and gas properties.............      740        2,210
  Sale of short-term investments............................    1,110        1,257
  Increase in other current and noncurrent assets...........     (107)         (88)
                                                              -------      -------
          Net cash used in investing activities.............   (7,791)      (1,342)
                                                              -------      -------
Cash flows from financing activities:
  Payments on long-term debt................................   (4,000)      (7,900)
  Exercised employee stock options..........................      348           --
                                                              -------      -------
          Net cash used in financing activities.............   (3,652)      (7,900)
                                                              -------      -------
Net increase in cash and cash equivalents...................    3,358        1,618
Cash and cash equivalents, beginning of period..............    4,011        1,007
                                                              -------      -------
Cash and cash equivalents, end of period....................  $ 7,369      $ 2,625
                                                              =======      =======
Supplemental disclosure of cash flow information:
  Cash paid during the period for interest..................  $   238      $   844
                                                              =======      =======
  Cash paid during the period for taxes.....................  $   156      $   296
                                                              =======      =======
</TABLE>
 
          See accompanying notes to consolidated financial statements.
 
<PAGE>   68
 
                           CONVEST ENERGY CORPORATION
 
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
 
(1)  BASIS OF PRESENTATION
 
GENERAL
 
     Convest Energy Corporation ("Convest" or the "Company"), a Texas
corporation whose Common Stock is traded on the American Stock Exchange, is an
active independent oil and gas exploration and production company. On June 26,
1995, Convest acquired all of the outstanding capital stock of Edisto
Exploration & Production Company, a Delaware corporation ("Edisto E&P"), from
Edisto Resources Corporation ("Edisto") in exchange for 6,185,400 newly issued
shares of Convest's Common Stock and $10,000 in cash (the "Edisto Transaction").
The newly issued shares of Convest Common Stock increased Edisto's interest in
Convest from 31% to 72%. During April 1996, Edisto purchased an additional
92,000 shares of Convest Common Stock on the open market.
 
     These financial statements should be read in conjunction with the audited
financial statements and the notes thereto included in the Company's Annual
Report on Form 10-K for the year ended December 31, 1996. Reference also is made
to the "Management's Discussion and Analysis of Financial Condition and Results
of Operations" included elsewhere in this report. The information presented in
this Form 10-Q is unaudited, but in the opinion of management reflects all
adjustments (all of which were normal and recurring) necessary to fairly present
such information. Interim results are not necessarily indicative of a full year
of operations.
 
(2)  PROPOSED MERGER WITH FORCENERGY INC
 
     On June 19, 1997, Convest, Edisto, Forcenergy Inc ("Forcenergy") (NYSE
"FEN"), and a Forcenergy subsidiary executed a definitive Agreement and Plan of
Merger (the "Merger Agreement") providing for Convest and Edisto to be merged
into Forcenergy.
 
     Under the Merger Agreement, (a) each issued and outstanding share of
Convest Common Stock will be converted into the right to receive a fractional
interest in a share of Forcenergy Common Stock equal to $8.88 divided by the
Weighted Average Trading Price of Forcenergy Common Stock, and (b) each issued
and outstanding share of Edisto Common Stock will be converted into the right to
receive (i) $4.886 in cash and (ii) a fractional interest in a share of
Forcenergy Common Stock equal to $5.064 divided by the Weighted Average Trading
Price of Forcenergy Common Stock; provided, however, that in no event will the
Weighted Average Trading Price of Forcenergy Common Stock be less than $28.96
nor more than $34.96. The "Weighted Average Trading Price" of Forcenergy Common
Stock will be calculated by taking the average of the following daily
calculations for each of the ten trading days ending two trading days prior to
the closing date for the Merger: (i) grouping together all shares of Forcenergy
Common Stock traded on such day at the same trading price, (ii) multiplying the
aggregate number of shares in each price group by the trading price for such
group to calculate a product (the total sold shares value) for each group, (iii)
adding all of such products from each group, and (iv) dividing the resulting
total by the aggregate number of shares traded on such trading day. Cash will be
paid in lieu of fractional shares of Forcenergy Common Stock. The transaction is
expected to close in October 1997.
 
     The majority shareholders of Convest and Edisto have agreed to vote their
respective shares in favor of the transaction thereby assuring the required
shareholder approval for the Merger Agreement. Edisto currently owns
approximately 72% of the outstanding shares of Common Stock of Convest, and has
agreed in the Merger Agreement to vote its shares of Convest Common Stock in
favor of the transaction. In addition, investment funds and accounts managed by
TCW Special Credits and Oaktree Capital Management, L.L.C., which hold slightly
in excess of 51% of Edisto's Common Stock, have agreed to vote for the
transaction. Also, such investment funds and accounts have contractually agreed
not to sell 80% of the Forcenergy Common Stock received in the transaction for a
period of six months after the closing.
 
     The accompanying financial statements have been prepared on a going concern
basis and do not reflect any adjustments related to the proposed merger.
 
                                      
<PAGE>   69
 
                           CONVEST ENERGY CORPORATION
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
(3)  SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
 
     Reclassifications and Consolidation. Certain reclassifications have been
made to prior year financial statements to conform to the presentation for 1997.
All significant intercompany accounts and activities have been eliminated.
 
     Restricted Cash. Restricted cash consists of $333,000 of certificates of
deposit held by various financial institutions. The certificates of deposit are
held in escrow as collateral for letters of credit issued for (i) lease payments
on certain offshore platforms and (ii) estimated plugging and abandonment costs
expected to be incurred on certain onshore oil and gas properties.
 
     Property and Equipment. The Company follows the successful efforts method
of accounting for its oil and gas properties. Costs of productive wells,
developmental drilling expenditures, including developmental dry holes, and
productive leases are capitalized. Exploratory drilling costs, including
stratigraphic test wells, are initially capitalized, but charged to expense if
and when the well is determined to be unsuccessful. The capitalized costs of oil
and gas properties are charged to operations as depreciation, depletion and
amortization using the unit-of-production method based on the ratio of current
production to proved recoverable oil and gas reserves (as defined by the
Securities and Exchange Commission) on a lease by lease basis. Reserve estimates
for the Company's properties were prepared or audited by independent petroleum
engineering firms at year end. Gas is converted to equivalent barrels of oil on
an energy content basis of 6 Mcf of gas to 1 barrel of oil. Depreciation,
depletion and amortization per equivalent unit of oil production was $4.74 and
$4.83 for the six month periods ended June 30, 1997 and 1996, respectively, and
$4.51 and $4.60 for the three month periods ended June 30, 1997 and 1996,
respectively. Oil and gas leasehold costs are capitalized when incurred.
Unproved properties are assessed periodically on a property-by-property basis
and impairments in value are charged to expense. Exploratory expenses, including
geological and geophysical expenses and annual delay rentals, are charged to
expense as incurred.
 
     Under Statement of Financial Accounting Standards No. 121 ("SFAS 121")
regarding accounting for the impairment of long-lived assets, the Company is
required to recognize an impairment loss for its proved oil and gas properties
if the carrying value of such properties (i.e., total capitalized costs less
accumulated depreciation and depletion) exceeds the undiscounted expected future
cash flows attributable to such properties. Convest must assess the need for an
impairment of capitalized costs of oil and gas properties on a
property-by-property basis. If an impairment is indicated based on undiscounted
expected future cash flows, then an impairment loss is recognized to the extent
that net capitalized costs exceed expected future cash flows. During the second
quarter of 1996, it was determined that one of the Company's offshore properties
had experienced a permanent decline in production. Accordingly, the Company
recorded an impairment loss of approximately $1.1 million during the second
quarter of 1996. No such provision has been required during 1997.
 
     Other Property, Plant and Equipment. Other fixed assets are recorded at
cost and depreciated over their estimated useful lives using the straight-line
method of depreciation.
 
     Abandonment Reserve. The Company records its estimate of future abandonment
costs of offshore properties. Such costs are accrued using a unit-of-production
method based upon estimated proved recoverable reserves. Abandonment costs are
estimated under current regulations using current costs and are reviewed
periodically and adjusted as new information becomes available. Abandonment
costs on onshore properties are typically nominal due to the salvage value of
well equipment.
 
     The Company is a party to a settlement with the United States Minerals
Management Service relating to estimated plugging and abandonment costs for 14
Gulf of Mexico OCS leases. Pursuant to this settlement, the operator of the
leases, Convest and other co-lessees were required to provide security for
payment of such costs through quarterly payments to an Abandonment Fund. During
the first quarter of 1997, the Company
 
                                      
<PAGE>   70
 
                           CONVEST ENERGY CORPORATION
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
made its final scheduled payment under the Abandonment Fund, and accordingly, is
no longer subject to additional future payments.
 
     As of June 30, 1997 and December 31, 1996, the Company had made payments
totaling approximately $4.8 million and $4.2 million to the Abandonment Fund,
respectively. These payments were applied to the total long-term abandonment
reserve of $7.5 million and $7.7 million, as of June 30, 1997 and December 31,
1996, respectively, resulting in a net long-term abandonment reserve of $2.7
million and $3.5 million as of those dates. The current portion of the
abandonment reserve was $2.1 million and $2.3 million as of June 30, 1997 and
December 31, 1996, respectively. The current portion of the abandonment reserve
is included in "Accrued Liabilities and Other" and the noncurrent portion is
included in "Other Noncurrent Liabilities" in the consolidated financial
statements.
 
     Lease Operating Expenses. In connection with a 1992 sale of certain future
production volumes of oil to Enron Reserve Acquisition Corp., the Company
established a reserve for the expenses associated with the volumes sold and
amortizes this reserve as the volumes are delivered. As of June 30, 1997 and
December 31, 1996, the current balance of this reserve was $1.6 million,
respectively, and the long-term balance was $2.8 million and $3.7 million,
respectively, and were presented in "Accrued Liabilities and Other" and "Other
Noncurrent Liabilities," respectively, in the consolidated financial statements.
 
     Gas Balancing. The Company uses the entitlement method of accounting for
gas imbalances. Receivables resulting from undertakes of gas production at June
30, 1997 and December 31, 1996 were $2.4 million and $2.3 million, respectively,
and are included in "Accounts Receivable -- Oil and Gas Production" and "Other
Noncurrent Assets" in the consolidated financial statements. Deferred revenue
and payables resulting from overtakes of gas production at June 30, 1997 and
December 31, 1996 were $2.4 million and $2.7 million, respectively, and are
included in "Current Liabilities -- Deferred Revenue" and "Long-Term
Liabilities -- Deferred Revenue" in the consolidated financial statements.
 
     Accounting for Income Taxes. The Company records income taxes in accordance
with the Financial Accounting Standards Board -- Statement of Financial
Accounting Standards No. 109 ("SFAS 109"), "Accounting for Income Taxes." SFAS
109 requires the balance sheet approach of income tax accounting whereby
deferred income taxes are provided at the balance sheet date for the differences
existing in the tax basis of assets and liabilities and their financial
statement carrying amounts.
 
     Concentration of Credit Risk. The Company's oil and gas production revenues
are derived principally from uncollateralized sales to customers in the oil and
gas industry. The concentration of credit risk in a single industry affects the
Company's overall exposure to credit risk because customers may be similarly
affected by changes in economic and other conditions. The Company has not
experienced significant credit losses on receivables from such sales.
 
     Net Income Per Share. Net income per share is computed based on the
weighted average number of shares outstanding which were 10,472,100 and
10,412,722 for the six months ended June 30, 1997 and 1996, respectively, and
10,508,115 and 10,412,722 for the three months ended June 30, 1997 and 1996,
respectively. No effect has been given to options outstanding under the
Company's stock option plans because their effect is antidilutive or immaterial.
 
     Risk Management/Hedging Activities. The Company from time to time engages
in commodity hedging activities to minimize the risk of market fluctuations
associated with the price of crude oil and natural gas production. The hedging
objectives include assurance of stable and known cash flows and fixed favorable
prices. The hedges are effected through the purchase and sale of futures
contracts on the New York Mercantile Exchange ("NYMEX") and over the counter
price swap agreements. The credit risk of futures contracts is limited due to
the daily cash settlement of the net change in the value of open contracts and
because of certain NYMEX procedures. Gains or losses on the Company's hedging
agreements are deferred and recognized as oil and gas sales revenue when the
hedged transaction occurs.
 
                                      
<PAGE>   71
 
                           CONVEST ENERGY CORPORATION
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
     Statement of Cash Flows. For purposes of the consolidated statements of
cash flows, the Company considers all highly liquid investments purchased with a
maturity of three months or less to be cash equivalents.
 
     Use of Estimates. The preparation of financial statements in conformity
with generally accepted accounting principles requires management to make
estimates and assumptions that affect the reported amounts of assets and
liabilities and disclosure of contingent assets and liabilities at the date of
the financial statements and the reported amounts of revenues and expenses
during the reporting period. Actual results could differ from those estimates.
All significant estimates are discussed herein.
 
(4)  RELATED PARTY TRANSACTIONS
 
     During December 1996, Edisto sold substantially all of the assets of its
wholly owned gas marketing subsidiary, Energy Source, Inc. , to an unrelated
third party. From January 1995 until its sale in December 1996, Energy Source
had marketed a substantial portion of the Company's gas production. Under the
gas marketing arrangement, Convest received a minimum price of 98% of the index
for the applicable pipeline. In connection with the sale of Energy Source,
Convest and Energy Source agreed to extend the gas marketing arrangement to
December 31, 1997. Effective January 1, 1997, the gas marketing arrangement was
amended to increase the price received by the Company from 98% to 100% of the
index price for the applicable pipeline.
 
     In connection with the Energy Source sale, all Edisto employees other than
Michael Y. McGovern, the Chairman and Chief Executive Officer of Convest and
Edisto, became employees of the purchaser. Subsequently, Edisto's corporate
headquarters were moved to Convest's offices, and Mr. McGovern and four other
employees of Convest have divided their time between Edisto and Convest.
Effective December 1, 1996, Mr. McGovern's base salary and benefits have been
apportioned 70% to Convest and 30% to Edisto. The base salary and benefits of
the other Convest employees who perform work for Edisto also are apportioned
based on the approximate amount of time they work for each company.
 
     Prior to the sale of Energy Source, Edisto had provided Convest with access
to an AS400 computer system to run its accounting system and had provided MIS
support. The monthly cost to Convest was approximately $12,555 per month. In
connection with the sale of Energy Source, Edisto sold the AS400 computer system
and its MIS personnel became employees of the purchaser of Energy Source. Since
Convest continued to need an AS400 computer system to run its accounting system,
the Energy Source purchaser agreed to provide Convest with access to the AS400
computer system and MIS support through December 31, 1997. The cost to Convest
is $12,645 per month. This agreement may be terminated by Convest at any time
after June 30, 1997 upon 90 days notice.
 
     In addition, the Company and Edisto have a directors' and officers'
fiduciary insurance policy that covers both companies. The annual insurance
premium was allocated 32% to the Company, for a cost of $96,000 based on the
relative percentage that the assets of the Company bear to the total assets of
both the Company and Edisto.
 
     Each of the affiliated party transactions described above was approved by
either a special committee of the Company's Board, which was composed of outside
directors with no affiliation to Edisto, or the unanimous consent of the
Company's Board.
 
                                      
<PAGE>   72
 
                           CONVEST ENERGY CORPORATION
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
(5)  HEDGING ACTIVITIES
 
     As previously stated, the Company conducts its hedging activities through
major financial institutions. Set forth below is the contract amount and term of
all futures contracts held for price risk management purposes by the Company at
June 30, 1997 and December 31, 1996:
 
<TABLE>
<CAPTION>
                                       JUNE 30, 1997          DECEMBER 31, 1996
                                    --------------------    ----------------------
                                      OIL         GAS         OIL          GAS
                                    --------    --------    --------    ----------
<S>                                 <C>         <C>         <C>         <C>
Quantity Sold.....................  30 Mbbls    740 Mmcf    90 Mbbls    3,300 Mmcf
Maximum Term......................  3 Months    3 Months    9 Months     10 Months
Average Price.....................   $21.07      $2.38       $22.50       $2.53
</TABLE>
 
     The Company will continue its hedging activities during 1997 in order to
mitigate the volatility of its crude oil and natural gas prices. Gains and
losses realized upon the settlement of the Company's hedge positions are
deferred and recognized as oil and gas sales revenue in the month of the
underlying physical production being hedged. The fair value of the Company's
open positions at June 30, 1997 were $182,150. As a result of fluctuations in
the price of crude oil and natural gas subsequent to June 30, 1997, the stated
fair value of the Company's open positions is not indicative of the value which
would be received if the positions were closed at current prices. The fair value
of the Company's hedges was based on the cost that would have been incurred to
buy out those hedges in a loss position and the consideration that would have
been received to terminate those hedges in a gain position. The cash margin
required by the counterparties to the Company's hedging activities totaled
$56,000 and $1.0 million as of June 30, 1997 and December 31, 1996,
respectively, and are included in other current assets.
 
(6)  INCOME TAXES
 
     The Company records current income taxes based on its estimated actual tax
liability for the year. The Company provides for deferred income taxes under
SFAS No. 109 based upon differences between the tax basis of the Company's
assets and liabilities and their financial statement carrying amounts multiplied
by the Company's expected future effective tax rate.
 
     The Company recorded current income tax expense of $156,000 and $217,000
for the six months ended June 30, 1997 and 1996, respectively and $59,000 and
$48,000 for the three months ended June 30, 1997 and 1996, respectively. The
Company has provided a valuation allowance against substantially all of its net
deferred tax assets as the "more-likely-than-not" criteria for recognition under
SFAS No. 109 was not met. During 1995, the Company purchased approximately $3.3
million of NOL tax benefits from Edisto for $550,000 which is included in "Other
Noncurrent Assets" in the accompanying balance sheets. No valuation allowance
has been taken against such amount under SFAS No. 109 since the Company
anticipates that the purchased NOLs will be utilized against the Company's near
term income tax.
 
(7)  CREDIT FACILITY AND LONG-TERM DEBT
 
     The Company has a revolving credit facility with Bank One, Texas, N.A.
("Bank One"), and Compass Bank-Houston which terminates on January 1, 1999. Bank
One serves as agent bank of the facility. The facility is secured by a first
lien on all of the Company's assets, including its oil and gas properties and
gas plant. The borrowing base is redetermined semi-annually on May 31 and
November 30 of each year by the lending banks based on engineering criteria
established by the banks. Interest on borrowings under the facility is computed
at (i) the agent bank's prime lending rate (the "Base Rate") plus  3/4% or (ii)
the London InterBank Offering Rate ("LIBOR") plus 2 3/4%. In addition, the
Company pays a commitment fee equal to  1/2% on any commitment amount in excess
of outstanding borrowings.
 
                                      
<PAGE>   73
 
                           CONVEST ENERGY CORPORATION
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
     Effective December 1, 1996, the borrowing base was $19.2 million which
reduces by $1.0 million per month beginning January 1, 1997 based on the lending
banks' estimate of production. Effective January 28, 1997 and June 12, 1997, the
borrowing base was reduced by $300,000 and $200,000, respectively, to give
effect to the sale of oil and gas properties securing the credit facility.
Pursuant to the terms of the credit facility, the Company is required to provide
the banks with semi annual estimates of its oil and gas reserves on or before
April 1 and October 1 of each year. Due to the proposed merger with Forcenergy,
the banks have agreed to extend the report required on October 1, 1997 until
December 1, 1997. As a result, the Company's borrowing base will continue to
reduce by $1.0 million per month until the updated reports are provided and the
borrowing base has been redetermined.
 
     After giving effect to the monthly borrowing base reductions and the
reductions resulting from the property sales, the Company's borrowing base under
the credit facility was $12.7 million on June 30, 1997. The Company had no
outstanding borrowings under its credit facility at June 30, 1997 and $4.0
million outstanding at December 31, 1996. In addition, the Company had $200,000
of letters of credit outstanding at June 30, 1997 and December 31, 1996,
primarily related to performance bonds issued for oil and gas operations.
 
(8)  COMMITMENTS AND CONTINGENCIES
 
     Legal Proceedings. Elizabeth Holt, et al. v. Sun E & P Company, et al., No.
3,217 in the 84th District Court, Hansford County, Texas. This suit was
originally filed in August 1984, seeking to cancel a 13-section lease because
there was no gas production for a period of approximately 120 days in 1983 when
the gas purchaser's pipeline was shutdown for repairs. The plaintiff sought to
terminate the lease by reason of non-production as of September 23, 1983. If the
plaintiff is successful, the Company would be liable for damages on past
production in the range of $300,000 to $350,000, plus pre-judgment interest and
attorneys fees, which would total approximately $400,000 to $450,000. The court
entered a judgment on December 20, 1996 denying all relief sought by the
plaintiffs against Convest. This judgment is being appealed by the plaintiffs.
The predecessor in interest to Convest has indemnified Convest to a maximum of
$357,000 in value for the well provided that total damages exceed $250,000.
 
     In addition, the Company is named as defendant in several lawsuits arising
in the ordinary course of business. While the outcome of these lawsuits and
other proceedings against the Company cannot be predicted with certainty,
management does not expect these matters to have a material adverse effect on
the Company's financial position or results of operations.
 
                                      
<PAGE>   74
 
                        PRO FORMA FINANCIAL INFORMATION
 
     The unaudited pro forma consolidated statement of operations for the six
months ended June 30, 1997 gives effect to the Edisto and Convest Mergers, the
acquisition of Great Western Resources, Inc. ("Great Western") and the
acquisition of Cook Inlet properties from Stewart Petroleum Company (the "1997
Acquisitions"), as if such transactions had been consummated on January 1, 1996.
The effective dates of the Great Western acquisition and the acquisition of Cook
Inlet properties from Stewart Petroleum Company are January 21, 1997, and June
4, 1997, respectively. The unaudited pro forma consolidated statement of
operations for the year ended December 31, 1996 gives effect to the Marathon
Acquisition (effective December 30, 1996), the Amerada Hess Acquisition
(effective June 28, 1996) (the 1996 "Acquisitions"), the conversion during 1996
of the 7% Exchangeable Subordinated Notes (the "Exchangeable Notes") into
2,343,047 shares of Forcenergy Common Stock, the 1996 exercise of 214,866
options to purchase Forcenergy Common Stock by certain holders of the
Exchangeable Notes, the sale of 1,635,408 shares of Forcenergy Common Stock in
1996 (the "Common Stock Offering"), the 1996 issuance of $175,000,000 of 9 1/2%
Senior Subordinated Notes (the "1996 Notes Offering") (collectively, the "1996
Transactions"), the 1997 issuance of the $200,000,000 of 8 1/2% Senior
Subordinated Notes (the "1997 Notes Offering"), the Edisto and Convest Mergers
and the 1997 Acquisitions as if such transactions had occurred on January 1,
1996. The results of operations of the 1996 Acquisitions and the Stewart
Acquisition include only the historical oil revenues and direct operating
expenses for periods presented which does not constitute a complete statement of
operations. The results of operations of Edisto and Great Western excludes the
results of discontinued operations for the year ended December 31, 1996. The
unaudited pro forma consolidated balance sheet as of June 30, 1997 gives effect
to the issuance of 3,076,900 shares of Forcenergy's Common Stock and $72 million
in cash to purchase all of the outstanding stock of Edisto and Convest as if
such transactions had been consummated on June 30, 1997. The unaudited pro forma
information has been prepared based on estimates and assumptions deemed by
Forcenergy to be appropriate and does not purport to be indicative of the
financial position or results of operations which would actually have been
obtained if the 1996 Acquisitions, the 1996 Transactions, the 1997 Notes
Offering, the Edisto and Convest Mergers and the 1997 Acquisitions had occurred
as presented in such statements or the results which may be obtained in the
future. Future results may vary significantly from the results reflected in such
statements due to price changes, production declines, supply and demand,
acquisitions and other factors.
 
     The pro forma financial information presented does not incorporate
anticipated reductions in the general and administrative expenses (the "G&A")
associated with Edisto, Convest and Great Western. In the opinion of its
management, Forcenergy will be able to eliminate substantially all of the G&A of
Edisto and Convest, and the majority of the G&A associated with Great Western.
Forcenergy has realized a significant reduction in the G&A associated with Great
Western subsequent to the acquisition, and such reductions are reflected in
Forcenergy's historical consolidated results of operations for the six months
ended June 30, 1997. Forcenergy anticipates eliminating substantially all of the
G&A associated with Edisto, Convest and Great Western in the future.
 
     The pro forma financial information should be read in conjunction with the
historical financial statements of Forcenergy and the audited financial
information on the Amerada Hess Acquisition and the Marathon Acquisition, which
are incorporated herein by reference and the historical financial statements of
Edisto and Convest which are presented elsewhere within this Joint Proxy
Statement/Prospectus.
 
                                      
<PAGE>   75
                                 FORCENERGY INC
 
                 PRO FORMA CONSOLIDATED STATEMENT OF OPERATIONS
                     FOR THE SIX MONTHS ENDED JUNE 30, 1997
                                  (UNAUDITED)
 
   
<TABLE>
<CAPTION>
                               FORCENERGY                              GREAT                    PRO FORMA
                               HISTORICAL   EDISTO(A)   CONVEST(B)   WESTERN(C)   STEWART(D)   ADJUSTMENTS     PRO FORMA
                               ----------   ---------   ----------   ----------   ----------   -----------     ---------
                                                (IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)
<S>                            <C>          <C>         <C>          <C>          <C>          <C>             <C>
Revenues:
  Oil and gas sales..........   $134,131     $    10     $25,907       $2,105       $4,030       $    --       $166,183
  Other......................      1,015          --          --           13                         --          1,028
                                --------     -------     -------       ------       ------       -------       --------
        Total revenues.......    135,146          10      25,907        2,118        4,030            --        167,211
Operating Expenses:
  Lease operating............     35,366          67       5,974          578          808            --         42,793
  Depletion, depreciation and
    amortization.............     53,356          --       7,305          498                     10,951 (E)     64,307
                                                                                                  (7,803)(E)
  Abandonment and exploration
    costs....................         --         104       1,147                                  (1,251)(F)         --
  Production taxes...........      2,231          --         533                        10            --          2,774
  General and administrative,
    net......................      7,141         980       2,188          745                         -- (G)     11,054
                                --------     -------     -------       ------       ------       -------       --------
        Total operating
          expenses...........     98,094       1,151      17,147        1,821          818         1,897        120,928
                                --------     -------     -------       ------       ------       -------       --------
Income from operations.......     37,052      (1,141)      8,760          297        3,212        (1,897)        46,283
Interest and other income....      1,748       1,814         287           66                         --          3,915
Interest expense, net of
  amounts capitalized........    (14,760)         --         (72)        (196)                     1,764 (H)    (13,264)
Minority interest............         --          --          --                                         (I)         --
                                --------     -------     -------       ------       ------       -------       --------
Income before income taxes...     24,040         673       8,975          167        3,212          (133)        36,934
Income tax provision.........      8,920         100         156                                   4,970 (J)     14,146
                                --------     -------     -------       ------       ------       -------       --------
Net income...................   $ 15,120     $   573     $ 8,819       $  167       $3,212       $(5,103)      $ 22,788
                                ========     =======     =======       ======       ======       =======       ========
Net income per share.........   $   0.63                                                                       $   0.84
                                ========                                                                       ========
Weighted average shares
  outstanding................     23,963                                                                         27,020
</TABLE>
    
 
                                       
<PAGE>   76
 
                                 FORCENERGY INC
 
                 PRO FORMA CONSOLIDATED STATEMENT OF OPERATIONS
                      FOR THE YEAR ENDED DECEMBER 31, 1996
                                  (UNAUDITED)
   
<TABLE>
<CAPTION>
                        FORCENERGY     AMERADA
                       HISTORICAL(K)   HESS(L)   MARATHON(M)   EDISTO(N)   CONVEST(O)
                       -------------   -------   -----------   ---------   ----------
                                  (IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)
<S>                    <C>             <C>       <C>           <C>         <C>
Revenues:
  Oil and gas
    sales............    $138,698      $9,263      $49,619      $    83     $47,139
  Other..............         683          --           --           --          --
                         --------      ------      -------      -------     -------
        Total
          revenues...     139,381       9,263       49,619           83      47,139
                         --------      ------      -------      -------     -------
Operating Expenses:
  Lease operating....      38,786       2,317       19,338          209      13,508
  Depletion,
    depreciation and
    amortization.....      58,464          --           --           68      16,473
  Abandonment and
    exploration
    costs............          --          --           --          246       1,775
  Impairments of oil
    and gas
    properties.......          --          --           --           --       2,633
  Production taxes...       3,454          --          297           --       1,272
  General and
    administrative,
    net..............       7,971          --           --        1,584       4,792
                         --------      ------      -------      -------     -------
        Total
          operating
          expenses...     108,675       2,317       19,635        2,107      40,453
                         --------      ------      -------      -------     -------
Income (loss) from
  operations.........      30,706       6,946       29,984       (2,024)      6,686
Interest and other
  income.............         650          --           --        2,529       2,606
Interest expense,
  net................     (13,367)         --           --           (3)     (1,065)
Minority interest....          --          --           --           --          --
                         --------      ------      -------      -------     -------
Income before income
  taxes..............      17,989       6,946       29,984          502       8,227
Income tax
  provision..........       6,711          --           --          230         157
                         --------      ------      -------      -------     -------
Net income...........    $ 11,278      $6,946      $29,984      $   272     $ 8,070
                         ========      ======      =======      =======     =======
Net income per
  share..............    $   0.57
                         ========
Weighted average
  shares
  outstanding........      19,727
 
<CAPTION>
                         GREAT                    PRO FORMA
                       WESTERN(P)   STEWART(Q)   ADJUSTMENTS     PRO FORMA
                       ----------   ----------   -----------     ---------
                            (IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)
<S>                    <C>          <C>          <C>             <C>
Revenues:
  Oil and gas
    sales............   $23,564      $14,928      $     --       $283,294
  Other..............        --           --            --            683
                        -------      -------      --------       --------
        Total
          revenues...    23,564       14,928            --        283,977
                        -------      -------      --------       --------
Operating Expenses:
  Lease operating....     5,032        4,014            --         83,204
  Depletion,
    depreciation and
    amortization.....     8,462           --        51,280 (E)    109,744
                                                   (25,003)(E)
  Abandonment and
    exploration
    costs............     3,584                     (5,605)(F)         --
  Impairments of oil
    and gas
    properties.......                               (2,633)(F)         --
  Production taxes...                     42            --          5,065
  General and
    administrative,
    net..............     3,351                         -- (G)     17,698
                        -------      -------      --------       --------
        Total
          operating
          expenses...    20,429        4,056        18,039        215,711
                        -------      -------      --------       --------
Income (loss) from
  operations.........     3,135       10,872       (18,039)        68,266
Interest and other
  income.............     2,024                     (1,586)(F)      5,673
                                                      (550)(R)
Interest expense,
  net................    (1,868)                    (4,970)(S)    (21,273)
Minority interest....                                   -- (I)         --
                        -------      -------      --------       --------
Income before income
  taxes..............     3,291       10,872       (25,145)        52,666
Income tax
  provision..........        27           --        12,519 (J)     19,644
                        -------      -------      --------       --------
Net income...........   $ 3,264      $10,872      $(37,664)      $ 33,022
                        =======      =======      ========       ========
Net income per
  share..............                                            $   1.22
                                                                 ========
Weighted average
  shares
  outstanding........                                              26,996
</TABLE>
    
 
                                       
<PAGE>   77
 
                                 FORCENERGY INC
 
                      PRO FORMA CONSOLIDATED BALANCE SHEET
                              AS OF JUNE 30, 1997
                                  (UNAUDITED)
 
                                     ASSETS
 
   
<TABLE>
<CAPTION>
                                                                                            ADJUSTMENTS
                                           FORCENERGY                            ----------------------------------
                                           HISTORICAL   EDISTO(T)   CONVEST(U)    EDISTO      CONVEST    FORCENERGY      PRO FORMA
                                           ----------   ---------   ----------   ---------   ---------   ----------      ---------
                                                                  (IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)
<S>                                        <C>          <C>         <C>          <C>         <C>         <C>             <C>
CURRENT ASSETS
  Cash...................................   $  3,091    $ 69,870     $  7,036       (1,500)(W)  (2,300)(W) $(72,000)(V)  $  4,197
  Restricted cash........................         --          --          332                                                 332
  Margin deposits........................         --          --           56                                                  56
  Accounts receivable, net...............     28,497       1,715        7,129         (372)(V)    (898)(V)                 36,071
  Other current assets...................     23,179           3          762                                              23,944
                                            --------    --------     --------    ---------   ---------     --------      --------
        Total current assets.............     54,767      71,588       15,315       (1,872)     (3,198)     (72,000)       64,600
INVESTMENTS IN SURETY BONDS, AT COST.....      4,037          --           --                                               4,037
PROPERTY, PLANT & EQUIPMENT, AT COST
  (full cost method) net of accumulated
  depletion, depreciation and
  amortization...........................    681,517          73       54,582                   52,296 (V)                788,468
INVESTMENT IN SUBSIDIARY -- CONVEST......                 38,414                   (38,414)(V)
OTHER ASSETS.............................     18,221          27        2,618                   (1,503)(V)                 23,102
                                                                                                  (550)(V)
                                                                                                 4,289 (V)
                                            --------    --------     --------    ---------   ---------     --------      --------
                                            $758,542    $110,102     $ 72,515    $ (40,286)  $  51,334     $(72,000)     $880,207
                                            ========    ========     ========    =========   =========     ========      ========
 
                                              LIABILITIES AND STOCKHOLDER'S EQUITY
 
CURRENT LIABILITIES
  Accounts payable.......................   $ 16,254    $    616     $  7,466    $           $             $             $ 24,336
  Other accrued liabilities..............     71,570       3,380        6,601                    6,704                     84,418
                                                                                                (1,871)(V)
                                                                                                (1,966)(V)
                                            --------    --------     --------    ---------   ---------     --------      --------
        Total current liabilities........     87,824       3,996       14,067                    2,867                    108,754
LONG TERM DEBT...........................    375,100          --            3                                72,000 (V)   375,103
                                                                                                            (72,000)(V)
DEFERRED REVENUE.........................         --          --          530                     (530)(V)                     --
MINORITY INTEREST........................         --          --           --                                                  --
Other noncurrent liabilities.............                     51        5,505                   (7,450)(V)                  2,395
                                                                                                 4,289 (V)
DEFERRED INCOME TAXES....................     29,713          --           --                                              29,713
STOCKHOLDER'S EQUITY
  Preferred stock, $.01 par value;
    5,000,000 shares authorized; none
    issued or outstanding................
  Common stock, $.01 par value;
    50,000,000 authorized; 22,680,021
    issued and outstanding at June 30,
    1997.................................        227         143          105         (143)(V)    (105)(V)       31(V)        258
  Capital in excess of par value.........    247,880      72,700       48,301      (72,700)(V) (48,301)(V)   98,306(V)    346,186
  Retained earnings......................     17,798      33,611        4,004      (33,611)(V)  (4,004)(V)                 17,798
  Foreign currency translation...........         --         (37)          --           37(V)                                  --
  Treasury stock, at cost, 52,214
    shares...............................         --        (362)          --          362(V)                                  --
                                            --------    --------     --------    ---------   ---------     --------      --------
        Total stockholder's equity.......    265,905     106,055       52,410     (106,055)    (52,410)      98,337       364,242
                                            --------    --------     --------    ---------   ---------     --------      --------
                                            $758,542    $110,102     $ 72,515    $(106,055)  $ (53,234)    $ 98,337      $880,207
                                            ========    ========     ========    =========   =========     ========      ========
</TABLE>
    
 
                                       
<PAGE>   78
 
                                  ADJUSTMENTS
 
(A) This column reflects Edisto unaudited historical results of operations for
    the six months ended June 30, 1997 which excludes the results of operations
    of Convest.
 
(B) This columns reflects Convest unaudited historical results of operations
    for the six months ended June 30, 1997.
 
(C) This column reflects Great Western unaudited historical results of
    operations for the twenty-one days ended January 21, 1997, exclusive of
    approximately $1.6 million in severance payments.
 
(D) This column reflects the unaudited historical oil revenues and direct
    operating expenses for the properties acquired in the Stewart Acquisition
    from the period January 1, 1997 to June 4, 1997.
 
(E) Adjustment to depletion, depreciation and amortization of oil and gas
    properties giving consideration to the transactions reflected herein.
 
(F) Adjustments to convert Convest and Great Western from the successful
    efforts method of accounting to the full cost method of accounting utilized
    by Forcenergy.
 
(G) Though it is inappropriate to reflect an increase in the results of
    operations for anticipated reductions in general and administrative costs
    subsequent to acquisition, in the opinion of management, the Company will
    eliminate substantially all of the general and administrative expenses of
    Edisto and a majority of those of Great Western.
 
(H) Net decrease in interest expense assuming a weighted average interest rate
    of 8.97% and average actual debt outstanding for the period adjusted for
    capitalized interest.
 
(I) The adjustment to eliminate the minority interest in Convest acquired
    pursuant to the Edisto and Convest Mergers is offset against the
    Edisto-Convest consolidation entry to recognize the minority interest of
    approximately $2.6 million.
 
(J) Adjustment to income tax expense reflecting the results of transactions
    herein using Forcenergy's historical combined federal and state statutory
    rate of 38.3% and 37.3% for the periods ended June 30, 1997 and December
    31, 1996, respectively.
 
(K) Forcenergy Historical Results include the historical oil and gas revenues
    and direct operating expenses for the Amerada Hess Acquisition from closing
    date June 28, 1996 to December 31, 1996 and Marathon Acquisition from
    December 30, 1996 to December 31, 1996.
 
(L) This column includes the historical oil revenues and direct operating
    expenses for the Amerada Hess Acquisition from January 1, 1996 to June 27,
    1996.
 
(M) This column indicates the historical oil revenues and direct operating
    expenses for the Marathon Acquisition from January 1, 1996 to December 29,
    1996.
 
(N) This column reflects Edisto historical results of operations for the year
    ended December 31, 1996, excluding the effects of discontinued operations
    and the historical results of operations of Convest.
 
(O) This column reflects Convest historical results of operations for the year
    ended December 31, 1996.
 
(P) This column reflects Great Western's audited historical results of
    operations for the year ended September 30, 1996, excluding the effect of
    discontinued operations.
 
(Q) This column reflects the unaudited historical oil revenues and direct
    operating expenses for the properties acquired in the Stewart Acquisition
    for the year ended December 31, 1996.
 
(R) Adjustment to eliminate the sale of assets from Edisto to Convest.
 
(S) Net increase in interest expense assuming the following transactions
    occurred on January 1, 1996: (i) the 1996 conversion of the Exchangeable
    Notes; (ii) the 1996 Common Stock Offering; (iii) the 1996 Notes Offering;
    (iv) the 1997 Notes Offering; (v) the Edisto and Convest Mergers; and (vi)
    the
 
                                       
<PAGE>   79
 
    1997 Acquisitions; and assuming a weighted average interest rate of 8.97%
    and average actual debt outstanding for the period (excluding the
    Exchangeable Notes) adjusted for 1996 Acquisitions costs, debt issuance
    cost and capitalized interest.
 
(T) This column reflects Edisto's unaudited historical financial position as of
    June 30, 1997 which excludes the financial position of Convest.
 
(U) This column reflects Convest's unaudited historical financial position as
    of June 30, 1997.
 
(V) Purchase accounting adjustments and consolidating entries to reflect the
    Edisto and Convest Mergers. The allocation of the purchase price to the
    various summarized components of assets and liabilities of Edisto and
    Convest are as follows:
 
<TABLE>
<CAPTION>
                                                                 (IN THOUSANDS)
    <S>                                                          <C>
    Current assets..............................................    $ 81,833
    Property plant & equipment..................................     106,951
    Noncurrent Assets...........................................       4,881
    Current liabilities.........................................     (20,930)
    Noncurrent liabilities......................................      (2,398)
                                                                    --------
    Purchase Price..............................................    $170,337
                                                                    ========
</TABLE>
 
(W) Adjustment to redeem all of the outstanding stock options or warrants of
    Edisto and Convest. The cost of such redemptions are borne by Edisto and
    Convest and cannot exceed $1.5 million and $2.3 million respectively.
 

<PAGE>   1
 
                                                                EXHIBIT 99.2
 
                              AMENDED AND RESTATED
                          AGREEMENT AND PLAN OF MERGER
                                     AMONG
 
                                FORCENERGY INC,
                          EDI ACQUISITION CORPORATION,
                          EDISTO RESOURCES CORPORATION
                                      AND
 
                           CONVEST ENERGY CORPORATION
 
                                 JULY 15, 1997
<PAGE>   2
                               TABLE OF CONTENTS
 
   
<TABLE>
<CAPTION>
                                                                                 PAGE
                                                                                 ----
<S>          <C>   <C>                                                           <C>
Section 1.   Definitions.......................................................  A-4
Section 2.   The Mergers and the Dissolution...................................  A-8
             (a)   Merger 1....................................................  A-8
             (b)   Effective Time of Merger 1..................................  A-8
             (c)   Dissolution.................................................  A-8
             (d)   Effective Time of Dissolution...............................  A-8
             (e)   Merger 2....................................................  A-8
             (f)   Effective Time of Merger 2..................................  A-8
             (g)   Consummation................................................  A-9
Section 3.   The Surviving Corporations........................................  A-9
             (a)   Certificate of Incorporation; Articles of Incorporation.....  A-9
             (b)   By-Laws.....................................................  A-9
             (c)   Directors...................................................  A-9
             (d)   Officers....................................................  A-9
Section 4.   Conversion of shares; closing.....................................  A-9
             (a)   Conversion of Sellers' Capital Stock........................  A-9
             (b)   Other Conversions...........................................  A-10
             (c)   Sellers Options.............................................  A-10
             (d)   Exchanges...................................................  A-11
             (e)   No Fractional Securities....................................  A-13
             (f)   Closing.....................................................  A-13
             (g)   Closing of Transfer Books...................................  A-13
             (h)   Appraisal Rights............................................  A-13
Section 5.   Representations and Warranties of the Sellers.....................  A-14
             (a)   Organization, Qualification, and Corporate Power............  A-14
             (b)   Capitalization..............................................  A-14
             (c)   Authorization of Transaction................................  A-14
             (d)   Non-Contravention...........................................  A-15
             (e)   Approvals...................................................  A-15
             (f)   Reports and Financial Statements............................  A-16
             (g)   Absence of Undisclosed Liabilities..........................  A-16
             (h)   Absence of Certain Changes or Events........................  A-16
             (i)   Litigation..................................................  A-16
             (j)   Registration Statement and Information Statement............  A-16
             (k)   No Violation of Law.........................................  A-17
             (l)   Compliance with Agreements..................................  A-17
             (m)   Taxes.......................................................  A-17
             (n)   Employee Benefit Plans; ERISA...............................  A-18
             (o)   Labor Controversies.........................................  A-19
             (p)   Environmental Matters.......................................  A-20
             (q)   Non-competition Agreements..................................  A-21
             (r)   Reserve Report and Exploration Project Information..........  A-21
             (s)   Title.......................................................  A-21
             (t)   Insurance...................................................  A-23
             (u)   Allowable Production Quotas.................................  A-23
             (v)   Gas Payments; Balancing.....................................  A-23
             (w)   No Prepayments Made or Refunds Owed.........................  A-24
             (x)   Drilling Obligations........................................  A-24
</TABLE>
    
 
<PAGE>   3
   
<TABLE>
<CAPTION>
                                                                                 PAGE
                                                                                 ----
<S>          <C>   <C>                                                           <C>
             (y)   Development Operations......................................  A-24
             (z)   Regulatory Authority........................................  A-24
             (aa)  Full Disclosure.............................................  A-24
             (bb)  Certain Agreements..........................................  A-25
             (cc)  Shareholders Agreement......................................  A-25
             (dd)  Brokers and Finders.........................................  A-25
             (ee)  Opinion of Financial Advisor................................  A-25
             (ff)  Edisto Cash Balance.........................................  A-25
             (gg)  Affiliate Transactions......................................  A-25
             (hh)  WARN........................................................  A-25
             (ii)  Cumulative Representations..................................  A-25
Section 6.   Representations and Warranties of Purchasers......................  A-26
             (a)   Organization, Qualification, and Corporate Power............  A-26
             (b)   Capitalization..............................................  A-26
             (c)   Authorization of Transaction................................  A-26
             (d)   Non-Contravention...........................................  A-26
             (e)   Approvals...................................................  A-26
             (f)   Reports and Financial Statements............................  A-27
             (g)   Absence of Undisclosed Liabilities..........................  A-27
             (h)   Absence of Certain Changes or Events........................  A-27
             (i)   Litigation..................................................  A-27
             (j)   Registration Statement and Proxy Statements.................  A-27
             (k)   No Violation of Law.........................................  A-28
             (l)   Compliance with Agreements..................................  A-28
             (m)   Taxes.......................................................  A-28
             (n)   Employee Benefit Plans; ERISA...............................  A-29
             (o)   Labor Controversies.........................................  A-30
             (p)   Environmental Matters.......................................  A-30
             (q)   Reserve Report and Exploration Project Information..........  A-30
             (r)   Title.......................................................  A-31
             (s)   Insurance...................................................  A-32
             (t)   Allowable Production Quotas.................................  A-33
             (u)   Gas Payments; Balancing.....................................  A-33
             (v)   No Prepayments Made or Refunds Owed.........................  A-33
             (w)   Drilling Obligations........................................  A-33
             (x)   Development Operations......................................  A-34
             (y)   Regulatory Authority........................................  A-34
             (z)   Full Disclosure.............................................  A-34
             (aa)  Affiliate Transactions......................................  A-34
             (bb)  Cumulative Representations..................................  A-34
Section 7.   Conduct of Business Pending the Mergers...........................  A-34
             (a)   Conduct of Business by the Sellers Pending the Mergers......  A-34
             (b)   Control of the Sellers' Operations..........................  A-35
             (c)   Acquisition Transactions....................................  A-35
             (d)   Subsidiaries................................................  A-36
Section 8.   Additional Agreements.............................................  A-36
             (a)   Access to Information.......................................  A-36
             (b)   Registration Statement and Proxy Statements.................  A-37
             (c)   Stockholders' Approvals.....................................  A-37
             (d)   Employee Matters............................................  A-37
</TABLE>
    
 
<PAGE>   4
   
<TABLE>
<CAPTION>
                                                                                 PAGE
                                                                                 ----
<S>          <C>   <C>                                                           <C>
             (e)   Quotation...................................................  A-38
             (f)   Agreement to Cooperate......................................  A-38
             (g)   Public Statements...........................................  A-39
             (h)   Notification of Certain Matters.............................  A-38
             (i)   Corrections to the Joint Proxy Statements/Prospectus and
                   Registration Statement......................................  A-38
             (j)   Indemnification; Directors' and Officers' Insurance.........  A-39
             (k)   Shareholders Agreement; Compliance with the Securities
                   Act.........................................................  A-40
             (l)   Convest Shares..............................................  A-40
             (m)   Credit Agreement............................................  A-40
Section 9.   Conditions........................................................  A-41
             (a)   Conditions to Each Party's Obligation to Effect the
                   Mergers.....................................................  A-41
             (b)   Conditions to Obligation of the Sellers to Effect the
                   Mergers.....................................................  A-41
             (c)   Conditions to Obligations of Purchasers to Effect the
                   Mergers.....................................................  A-42
Section 10.  Termination, Amendment and Waiver.................................  A-43
             (a)   Termination.................................................  A-43
             (b)   Expenses and Fees...........................................  A-44
             (c)   Effect of Termination.......................................  A-45
             (d)   Amendment...................................................  A-45
             (e)   Waiver......................................................  A-45
Section 11.  General Provisions................................................  A-45
             (a)   Non-Survival of Representations and Warranties..............  A-45
             (b)   Notices.....................................................  A-45
             (c)   Interpretation..............................................  A-46
             (d)   Miscellaneous...............................................  A-46
             (e)   Counterparts................................................  A-46
             (f)   Parties In Interest.........................................  A-46
</TABLE>
    
 
<PAGE>   5
 
                              AMENDED AND RESTATED
                          AGREEMENT AND PLAN OF MERGER
 
     This Amended and Restated Agreement and Plan of Merger, dated as of July
15, 1997 (the "Agreement"), is entered into by and among Forcenergy Inc, a
Delaware corporation ("Parent"), EDI Acquisition Corporation, a Delaware
corporation and wholly owned subsidiary of Parent ("EDI-Sub"), Edisto Resources
Corporation, a Delaware corporation ("Edisto"), and Convest Energy Corporation,
a Texas corporation ("Convest"). Parent and EDI-Sub are each sometimes referred
to herein as a "Purchaser" and collectively as the "Purchasers." Edisto and
Convest and their respective Subsidiaries are each sometimes referred to herein
as a "Seller" and collectively as the "Sellers." The Purchasers and the Sellers
are sometimes collectively referred to herein as the "Parties."
 
     WHEREAS, previously the Boards of Directors of Parent, EDI-Sub, Edisto and
Convest have approved (i) the merger of EDI-Sub with and into Edisto ("Merger
1"), (ii) the merger of the surviving corporation of Merger 1 with and into
Parent ("Parent/Edisto Merger") and (iii) the merger of Convest with and into
Parent ("Merger 2") on the terms set forth in the Agreement and Plan of Merger,
dated as of June 19, 1997 (the "Merger Agreement");
 
     WHEREAS, the Parties no longer wish to carry out the Parent/Edisto Merger
and, instead, Parent, as sole stockholder of Edisto immediately after Merger 1
will dissolve Edisto pursuant to Section 275(c) of the DGCL (the "Dissolution,"
and, collectively with Merger 1 and Merger 2, the "Mergers") with all assets of
Edisto being distributed upon the Dissolution to Parent;
 
     WHEREAS, to reflect the above-mentioned changes, the Parties wish to amend
and restate the Merger Agreement in full;
 
     WHEREAS, the Parties intend Merger 2 to qualify as a tax-free
reorganization under the provisions of Section 368 of the Internal Revenue Code
of 1986, as amended (the "Code"), and the regulations thereunder;
 
     WHEREAS, in connection with the Mergers and as an inducement to Parent to
enter into the Merger Agreement, (i) Parent, Edisto and a principal shareholder
of Edisto have executed a voting agreement in favor of Parent with respect to,
among other things, the voting of shares of capital stock of Edisto held or to
be held by such shareholder in favor of Merger 1, and (ii) Parent, Edisto and
Convest have executed a voting agreement in favor of Parent with respect to,
among other things, the voting of shares of capital stock of Convest held or to
be held by Edisto in favor of Merger 2.
 
     NOW, THEREFORE, in consideration of the premises and the representations,
warranties, covenants and agreements contained herein, the Parties hereto,
intending to be legally bound, hereby amend and restate the Merger Agreement as
follows:
 
SECTION 1. DEFINITIONS.
 
     "Affiliate" of, or a person "affiliated" with, a specified person means a
person that directly, or indirectly through one or more intermediaries,
controls, or is controlled by, or is under common control with, the person
specified.
 
     "Affiliate Agreement" has the meaning set forth in Section 8(k).
 
     "Agreement" means this Agreement as executed as of the date first above
written or, if amended as provided herein, as amended.
 
     "Claim" has the meaning set forth in Section 8(j).
 
     "Closing" has the meaning set forth in Section 4(f).
 
     "Closing Date" has the meaning set forth in Section 4(f).
 
     "Code" means the Internal Revenue Code of 1986, as amended.
 
     "Convest" has the meaning set forth in the first paragraph of this
Agreement.
 
<PAGE>   6
 
     "Convest Certificates" has the meaning set forth in Section 4(d)(i).
 
     "Convest Common Stock" means the common stock, par value $0.01 per share,
of Convest.
 
     "Convest Option" has the meaning set forth in Section 4(c)(ii).
 
     "Convest Stockholder" means any Person who or which holds any of the
Convest Common Stock.
 
     "Default" has the meaning set forth in Section 10(a)(i)(F).
 
     "DGCL" means the General Corporation Law of the State of Delaware, as
amended.
 
     "Dissolution" has the meaning set forth in the second recital above.
 
     "Dissolution Certificate" means the Certificate of Dissolution for the
Dissolution, in substantially the form as shall be agreed upon by the Parties.
 
     "Dissolution Effective Time" has the meaning set forth in Section 2(d).
 
     "Dissolution Filing" has the meaning set forth in Section 2(d).
 
     "Dollar" or "$" shall mean one dollar of the currency of the United States
of America.
 
     "Edisto" has the meaning set forth in the first paragraph of this
Agreement.
 
     "Edisto Certificates" has the meaning set forth in Section 4(d)(i).
 
     "Edisto Common Stock" means the common stock, par value $0.01 per share, of
Edisto.
 
     "Edisto E&P" has the meaning set forth in Section 7(d).
 
     "Edisto Option" has the meaning set forth in Section 4(c)(i).
 
     "Edisto Stockholder" means any Person who or which holds any of the Edisto
Common Stock.
 
     "EDI-Sub" has the meaning set forth in the first paragraph of this
Agreement.
 
     "EDI-Sub Common Stock" means the Common Stock, par value $0.01 per share,
of EDI-Sub.
 
     "Environmental Laws" has the meaning set forth in Section 5(p)(ii).
 
     "ERISA" means the Employer Retirement Income Security Act of 1974, as
amended.
 
     "Exchange Act" means the Securities Exchange Act of 1934, as amended.
 
     "Exchange Agent" means American Stock Transfer and Trust Company.
 
     "Exchange Fund" has the meaning set forth in Section 4(d)(iii).
 
     "GAAP" means United States generally accepted accounting principles as in
effect from time to time.
 
     "Hazardous Substance" has the meaning set forth in Section 5(p)(iii).
 
     "HSR Act" means the Hart-Scott-Rodino Antitrust Improvements Act of 1976,
as amended.
 
     "Including" means "including, but not limited to."
 
     "Indemnified Parties" has the meaning set forth in Section 8(j).
 
     "IRS" means the Internal Revenue Service.
 
     "Joint Proxy Statements/Prospectus" has the meaning set forth in Section
5(j).
 
     "Knowledge" means the actual knowledge of the president or any vice
president of the affected entity.
 
     "Material Adverse Change" means an adverse change in the business,
operations, assets, liabilities, properties, condition (financial or other) or
results of operations which (i), in the case of Sellers and their respective
Subsidiaries, taken as a whole, may result in an aggregate change or liability
of $2.0 million or
 
<PAGE>   7
 
greater or (ii), in the case of Parent and its Subsidiaries, taken as a whole,
may result in an aggregate change or liability of $15.0 million or greater.
 
     "Material Adverse Effect" means an adverse effect on the business,
operations, assets, liabilities, properties, condition (financial or other), or
results of operations which (i), in the case of Sellers and their respective
Subsidiaries, taken as a whole, may result in an aggregate change or liability
of $2.0 million or greater or (ii), in the case of Parent and its Subsidiaries,
taken as a whole, may result in an aggregate change or liability of $15.0
million or greater.
 
     "Merger Agreement" has the meaning set forth in the second recital above.
 
     "Merger Certificates" means, collectively, the Merger 1 Certificate, Merger
2 Certificate and Merger 2 Articles.
 
     "Merger 1 Certificate" means the Certificate of Merger for Merger 1, in
substantially the form as shall be agreed upon by the Parties.
 
     "Merger 2 Certificate" means the Certificate of Merger for Merger 2, in
substantially the form as shall be agreed upon by the Parties.
 
     "Merger 2 Articles" means the Articles of Merger for Merger 2, together
with the Plan of Merger attached as Annex A thereto, in substantially the form
attached hereto as Exhibit A.
 
     "Merger Filings" has the meaning set forth in Section 2(f).
 
     "Merger 1" has the meaning set forth in the first recital above.
 
     "Merger 1 Cash Consideration" has the meaning set forth in Section
4(a)(i)(A).
 
     "Merger 1 Consideration" has the meaning set forth in Section 4(a)(i)(A).
 
     "Merger 1 Effective Time" has the meaning set forth in Section 2(b).
 
     "Merger 1 Exchange Ratio" has the meaning set forth in Section 4(a)(i)(A).
 
     "Merger 1 Filing" has the meaning set forth in Section 2(b).
 
     "Merger 2" has the meaning set forth in the first recital above.
 
     "Merger 2 Consideration" has the meaning set forth in Section 4(a)(ii)(A).
 
     "Merger 2 Effective Time" has the meaning set forth in Section 2(f).
 
     "Merger 2 Exchange Ratio" has the meaning set forth in Section 4(a)(ii)(A).
 
     "Merger 2 Delaware Filing" has the meaning set forth in Section 2(f).
 
     "Merger 2 Texas Filing" has the meaning set forth in Section 2(f).
 
     "Mergers" has the meaning set forth in the second recital above.
 
     "New Shares" has the meaning set forth in Section 8(l).
 
     "NYSE" means The New York Stock Exchange, Inc.
 
     "Ordinary Course of Business" means the ordinary course of business
consistent with past custom and practice (including with respect to quantity and
frequency).
 
     "Parent" has the meaning set forth in Section 4(b)(iii).
 
     "Parent Common Stock" means the common stock, par value $0.01 per share, of
Parent.
 
     "Parent/Edisto Merger" has the meaning set forth in the first recital
above.
 
     "Parent Financial Statements" has the meaning set forth in Section 6(f).
 
     "Parent Representatives" has the meaning set forth in Section 8(a)(i).
 
<PAGE>   8
 
     "Parent SEC Reports" has the meaning set forth in Section 6(f).
 
     "Parties" has the meaning set forth in the first paragraph of this
Agreement.
 
     "Person" means an individual, a partnership, a corporation, an association,
a joint stock company, a trust, a joint venture, an unincorporated organization,
or a governmental entity (or any department, agency, or political subdivision
thereof).
 
     "Petrie Parkman" means Petrie Parkman & Co., Inc.
 
     "Proxy Statement" has the meaning set forth in Section 5(j).
 
     "Purchaser" and "Purchasers" have the meanings set forth in the first
paragraph of this Agreement.
 
     "Purchasers Plans" has the meaning set forth in Section 6(n).
 
     "Purchasers Assets" has the meaning set forth in Section 6(r)(v).
 
     "Purchasers Disclosure Schedule" means the disclosure schedule delivered by
the Purchasers concurrently with this Agreement, which shall specifically modify
the lettered and numbered paragraphs hereof to which it expressly refers.
 
     "Purchasers Evaluated Properties" has the meaning set forth in Section
6(q).
 
     "Purchasers Permits" has the meaning set forth in Section 6(k).
 
     "Purchasers Petroleum Engineers" has the meaning set forth in Section
6(q)(i).
 
     "Purchasers Project Information" has the meaning set forth in Section
6(q)(iii).
 
     "Purchasers Projects" has the meaning set forth in Section 6(q)(iii).
 
     "Purchasers Required Statutory Approvals" has the meaning set forth in
Section 6(e).
 
     "Purchasers Reserve Reports" has the meaning set forth in Section 6(q)(i).
 
     "Rauscher Pierce" means Rauscher, Pierce, Refsnes, Inc.
 
     "Registration Statement" has the meaning set forth in Section 5(j).
 
     "Requisite Stockholder Approvals" has the meaning set forth in Section
5(c)(ii).
 
     "SEC" means the Securities and Exchange Commission.
 
     "Securities Act" means the Securities Act of 1933, as amended.
 
     "Seller" and "Sellers" have the meanings set forth in the first paragraph
of this Agreement.
 
     "Seller Representatives" has the meaning set forth in Section 8(a)(i).
 
     "Sellers Assets" has the meaning set forth in Section 5(s)(v).
 
     "Sellers Disclosure Schedule" means the disclosure schedule delivered by
the Sellers concurrently with this Agreement, which shall specifically modify
the numbered paragraphs hereof to which it expressly refers.
 
     "Sellers Evaluated Properties" has the meaning set forth in Section
5(r)(i).
 
     "Sellers Financial Statements" has the meaning set forth in Section 5(f).
 
     "Sellers Permits" has the meaning set forth in Section 5(k).
 
     "Sellers Plans" has the meaning set forth in Section 5(n)(i).
 
     "Sellers Project Information" has the meaning set forth in Section
5(r)(iii).
 
     "Sellers Projects" has the meaning set forth in Section 5(r)(iii).
 
     "Sellers Required Statutory Approvals" has the meaning set forth in Section
5(e).
 
<PAGE>   9
 
     "Sellers Reserve Reports" has the meaning set forth in Section 5(r)(i).
 
     "Sellers SEC Reports" has the meaning set forth in Section 5(f).
 
     "Shareholders Agreement" has the meaning set forth in Section 5(cc).
 
     "Shares" has the meaning set forth in Section 5(b)(i).
 
     "Subsidiary" means any corporation with respect to which a specified Person
(or a Subsidiary thereof) owns a majority of the common stock or has the power
to vote or direct the voting of sufficient securities to elect a majority of the
directors.
 
     "Surviving Corporation 1" has the meaning set forth in Section 2(a).
 
     "Surviving Corporation 2" has the meaning set forth in Section 2(e).
 
     "TBCA" means the Business Corporation Act of the State of Texas, as
amended.
 
     "Tax Return" has the meaning set forth in Section 5(m)(iii).
 
     "Taxes" has the meaning set forth in Section 5(m)(ii).
 
     "WARN" means the Federal Worker Adjustment and Retraining Notification Act
of 1988.
 
     "Weighted Average Trading Price" has the meaning set forth in Section
4(a)(iii).
 
SECTION 2. THE MERGERS AND THE DISSOLUTION.
 
     (a) Merger 1. Upon the terms and subject to the conditions of this
Agreement, at the Merger 1 Effective Time (as defined in Section 2(b)) in
accordance with the DGCL, EDI-Sub shall be merged with and into Edisto, the
separate existence of EDI-Sub shall thereupon cease, and Edisto shall be the
surviving corporation in Merger 1, hereinafter sometimes referred to as
"Surviving Corporation 1."
 
     (b) Effective Time of Merger 1. Merger 1 shall become effective at such
time (the "Merger 1 Effective Time") as the Merger 1 Certificate is filed with
the Secretary of State of the State of Delaware in accordance with the DGCL (the
"Merger 1 Filing"). The Merger 1 Filing shall be made simultaneously with or as
soon as practicable after the Closing of the transactions contemplated by this
Agreement in accordance with Section 4(f).
 
     (c) Dissolution. Upon the terms and subject to the conditions of this
Agreement, at the Dissolution Effective Time (as defined in Section 2(d)) in
accordance with the DGCL, Surviving Corporation 1 shall be dissolved and the
separate existence of Surviving Corporation 1 shall thereupon cease.
 
     (d) Effective Time of the Dissolution. The Dissolution shall become
effective at such time (the "Dissolution Effective Time") as the Dissolution
Certificate is filed with the Secretary of State of the State of Delaware in
accordance with the DGCL (the "Dissolution Filing"). The Dissolution Filing
shall be made as soon as practicable following the Merger 1 Effective Time.
 
     (e) Merger 2. Upon the terms and subject to the conditions of this
Agreement and the Merger 2 Articles, at the Merger 2 Effective Time (as defined
in Section 2(f)) in accordance with the DGCL and the TBCA, Convest shall be
merged with and into Parent, the separate existence of Convest shall thereupon
cease, and Parent shall be the surviving corporation in Merger 2 and is
hereinafter sometimes referred to as "Surviving Corporation 2."
 
     (f) Effective Time of Merger 2. Merger 2 shall become effective at such
time (the "Merger 2 Effective Time") as is the later to occur of (i) the time
that the Merger 2 Certificate is filed with the Secretary of State of the State
of Delaware in accordance with the DGCL (the "Merger 2 Delaware Filing"), and
(ii) the time that the Merger 2 Articles are filed with the Secretary of State
of the State of Texas and a certificate of merger is issued thereby in
accordance with the TBCA (the "Merger 2 Texas Filing" and, together with the
Merger 2 Delaware Filing, the "Merger 2 Filings"). The Merger 2 Filings shall be
made as soon as practicable following
 
<PAGE>   10
 
the Dissolution Effective Time. The Merger 1 Filing, the Dissolution Filing and
the Merger 2 Filings are collectively referred to herein as the "Merger
Filings."
 
     (g) Consummation. The Parties acknowledge that it is their mutual desire
and intent to consummate the Mergers as soon as practicable after the date
hereof. Accordingly, the parties shall, subject to the provisions hereof and to
the fiduciary duties of their respective boards of directors, use all reasonable
efforts to consummate, as soon as practicable, the transactions contemplated by
this Agreement in accordance with Section 4(d).
 
SECTION 3. THE SURVIVING CORPORATIONS.
 
     (a) Certificate of Incorporation; Articles of Incorporation. The
Certificate of Incorporation of EDI-Sub as in effect immediately prior to the
Merger 1 Effective Time shall be the Certificate of Incorporation of Surviving
Corporation 1 after the Merger 1 Effective Time, and thereafter may be amended
in accordance with its terms and as provided in the DGCL. The Certificate of
Incorporation of Parent as in effect immediately prior to the Merger 2 Effective
Time shall be the Certificate of Incorporation of Surviving Corporation 2 after
the Merger 2 Effective Time, and thereafter may be amended in accordance with
its terms and as provided in the DGCL.
 
     (b) By-Laws. The By-laws of EDI-Sub as in effect immediately prior to the
Merger 1 Effective Time shall be the By-laws of Surviving Corporation 1 after
the Merger 1 Effective Time, and thereafter may be amended in accordance with
their terms and as provided by the Certificate of Incorporation of Surviving
Corporation 1 and the DGCL. The By-laws of Parent as in effect immediately prior
to the Merger 2 Effective Time shall be the Bylaws of Surviving Corporation 2
after the Merger 2 Effective Time, and thereafter may be amended in accordance
with their terms and as provided by the Certificate of Incorporation of
Surviving Corporation 2 and the DGCL.
 
     (c) Directors. The directors of EDI-Sub in office immediately prior to the
Merger 1 Effective Time shall be the directors of Surviving Corporation 1 after
the Merger 1 Effective Time, and such directors shall serve in accordance with
the By-laws of Surviving Corporation 1 until their respective successors are
duly elected or appointed and qualified. The directors of Parent in office
immediately prior to the Merger 2 Effective Time shall be the directors of
Surviving Corporation 2 after the Merger 2 Effective Time, and such directors
shall serve in accordance with the By-laws of Surviving Corporation 2 until
their respective successors are duly elected or appointed and qualified.
 
     (d) Officers. The officers of EDI-Sub in office immediately prior to the
Merger 1 Effective Time shall be the officers of Surviving Corporation 1 after
the Merger 1 Effective Time, and such officers shall serve in accordance with
the By-laws of Surviving Corporation 1 until their respective successors are
duly elected or appointed and qualified. The officers of Parent in office
immediately prior to the Merger 2 Effective Time shall be the officers of
Surviving Corporation 2 after the Merger 2 Effective Time, and such officers
shall serve in accordance with the By-laws of Surviving Corporation 2 until
their respective successors are duly elected or appointed and qualified.
 
SECTION 4. CONVERSION OF SHARES; CLOSING.
 
     (a) Conversion of Sellers' Capital Stock
 
          (i) Conversion of Edisto Shares in Merger 1. At the Merger 1 Effective
     Time, by virtue of Merger 1 and without any action on the part of any
     holder of any capital stock of Parent or Edisto:
 
             (A) each share of Edisto Common Stock shall, subject to Sections
        4(c) and 4(d), be converted into the right to receive the following
        (hereinafter referred to as the "Merger 1 Consideration"), without
        interest: (x) a fractional interest in a share of Parent Common Stock
        equal to $5.064 divided by the Weighted Average Trading Price (the
        "Merger 1 Exchange Ratio"); provided, however, (i) if such Weighted
        Average Trading Price exceeds $34.96, then the Merger 1 Exchange Ratio
        shall be equal to $5.064 divided by $34.96 and (ii) if such Weighted
        Average
 
<PAGE>   11
 
        Trading Price is less than $28.96, then the Merger 1 Exchange Ratio
        shall be equal to $5.064 divided by $28.96, and (y) $4.886 cash (the
        "Merger 1 Cash Consideration"); and
 
             (B) each share of capital stock of Edisto, if any, owned by Parent
        or any Subsidiary of Parent or held in treasury by Edisto or any
        Subsidiary of Edisto immediately prior to the Merger 1 Effective Time
        shall be canceled and no consideration shall be paid in exchange
        therefor and shall cease to exist from and after the Merger 1 Effective
        Time.
 
          (ii) Conversion of Convest Shares in Merger 2. At the Merger 2
     Effective Time, by virtue of Merger 2 and without any action on the part of
     any holder of any capital stock of Parent or Convest:
 
             (A) each share of Convest Common Stock shall, subject to Sections
        4(c) and 4(d), be converted into the right (hereinafter referred to as
        the "Merger 2 Consideration") to receive, without interest, a fractional
        interest in a share of Parent Common Stock equal to $8.88 divided by the
        Weighted Average Trading Price (the "Merger 2 Exchange Ratio");
        provided, however, (i) if such Weighted Average Trading Price exceeds
        $34.96, then the Merger 2 Exchange Ratio shall be equal to $8.88 divided
        by $34.96 and (ii) if such Weighted Average Trading Price is less then
        $28.96, then the Merger 2 Exchange Ratio shall be equal to $8.88 divided
        by $28.96; and
 
             (B) each share of capital stock of Convest, if any, owned by Parent
        or any Subsidiary of Parent or held in treasury by Convest or any
        Subsidiary of Convest immediately prior to the Merger 2 Effective Time
        shall be canceled and no consideration shall be paid in exchange
        therefor and shall cease to exist from and after the Merger 2 Effective
        Time.
 
          (iii) The "Weighted Average Trading Price" of Parent Common Stock
     shall be calculated by (a) making the following calculation for each of the
     ten trading days ending on the day that is two trading days prior to the
     Closing Date: (i) grouping together all shares of Parent Common Stock
     traded on such day at the same trading price, (ii) multiplying the
     aggregate number of shares in each price group by the trading price for
     such group to calculate a product (the total sold shares value) for each
     group, (iii) adding all of such products from each group and (iv) dividing
     the resulting total by the aggregate number of shares traded on such
     trading day, and (b) calculating the arithmetic mean of the resulting ten
     amounts.
 
     (b) Other Conversions.
 
          (i) At the Merger 1 Effective Time, by virtue of Merger 1 and without
     any action on the part of Parent as the sole stockholder of EDI-Sub, each
     issued and outstanding share of EDI-Sub Common Stock shall be converted
     into one share of common stock, par value $.01 per share, of Surviving
     Corporation 1.
 
          (ii) At the Dissolution Effective Time, by virtue of the Dissolution
     and without any action on the part of Parent as the sole stockholder of
     Surviving Corporation 1, each issued and outstanding share of the common
     stock of Surviving Corporation 1 shall be retired and canceled.
 
          (iii) Notwithstanding the provisions of paragraph (ii) hereof,
     Surviving Corporation 1 shall continue, pursuant to Section 278 of the
     DGCL, solely for the purposes of suit and winding up affairs and Parent
     shall remain the sole stockholder of Surviving Corporation 1 entitled to
     receive all distributions of assets made pursuant to Section 281 of the
     DGCL.
 
     (c) Sellers Options.
 
          (i) Edisto Options. Each outstanding stock option or warrant granted
     to employees and directors of Edisto and its Subsidiaries or to any other
     Persons with respect to Edisto Common Stock (an "Edisto Option") shall be
     either (A) redeemed by Edisto or (B) exercised or canceled in accordance
     with its terms, in each case, prior to Merger 1. If any Edisto Option is
     redeemed pursuant to this provision, such redemption shall be at a price no
     greater than the amount (if any) by which $9.95 exceeds the exercise price
     of such Edisto Option (unless otherwise consented to by Parent). The total
     amount that may be expended to effect any such redemptions may not exceed
     $1,500,000.
 
<PAGE>   12
 
          (ii) Convest Options. Each outstanding stock option or warrant granted
     to employees and directors of Convest and its Subsidiaries or to any other
     Persons with respect to Convest Common Stock (a "Convest Option") shall be
     either (A) redeemed by Convest or (B) exercised or canceled in accordance
     with its terms, in each case, prior to Merger 1. If any Convest Option is
     redeemed pursuant to this provision, such redemption shall be at a price no
     greater than the amount (if any) by which $8.88 exceeds the exercise price
     of such Convest Option. The total amount that may be expended to effect any
     such redemptions may not exceed $2,300,000.
 
     (d) Exchanges.
 
          (i) From and after the Merger 1 Effective Time, each holder of an
     outstanding certificate which immediately prior to the Merger 1 Effective
     Time represented shares of Edisto Common Stock (an "Edisto Certificate")
     shall be entitled to receive in exchange therefor, upon surrender thereof
     to the Exchange Agent, a certificate or certificates representing the
     number of whole shares of Parent Common Stock to which such holder is
     entitled pursuant to Section 4(a)(i)(A) and the amount of Merger 1 Cash
     Consideration to which such holder is entitled. From and after the Merger 2
     Effective Time, each holder of an outstanding certificate which immediately
     prior to the Merger 2 Effective Time represented shares of Convest Common
     Stock (a "Convest Certificate") shall be entitled to receive in exchange
     therefor, upon surrender thereof to the Exchange Agent, a certificate or
     certificates representing the number of whole shares of Parent Common Stock
     to which such holder is entitled pursuant to Section 4(a)(ii)(A).
     Notwithstanding any other provision of this Agreement, (A) until holders or
     transferees of Edisto Certificates or Convest Certificates have surrendered
     them for exchange as provided herein, no dividends shall be paid with
     respect to any shares represented by such certificates and no payment for
     fractional shares shall be made and (B) without regard to when such Edisto
     Certificates or Convest Certificates are surrendered for exchange as
     provided herein, no interest shall be paid on any dividends or any payment
     for fractional shares. Upon surrender of an Edisto Certificate or a Convest
     Certificate, respectively, there shall be paid to the holder of such
     certificate the amount of any dividends which theretofore became payable,
     but which were not paid by reason of the foregoing, with respect to the
     number of whole shares of Parent Common Stock represented by the
     certificate or certificates issued upon such surrender.
 
          (ii) If any certificate for shares of Parent Common Stock is to be
     issued in a name other than that in which the Edisto Certificate or Convest
     Certificate surrendered in exchange therefor is registered, it shall be a
     condition of such exchange that the person requesting such exchange shall
     pay any applicable transfer or other taxes required by reason of such
     issuance.
 
          (iii) Promptly after the Merger 2 Effective Time, Parent shall make
     available to the Exchange Agent (A) the certificates representing shares of
     Parent Common Stock required to effect the exchanges referred to in
     paragraphs (d)(i) and (ii) above and (B) funds sufficient for the payment
     of the aggregate Merger 1 Cash Consideration required to effect the
     exchange referred to in paragraph (i) above and for payment of any
     fractional shares referred to in Section 4(e) (the "Exchange Fund"), it
     being understood that any and all interest earned on funds made available
     to the Exchange Agent pursuant to this Agreement shall be for the account
     of, and shall remain the property of, Parent.
 
          (iv) (A) Promptly after the Merger 2 Effective Time, but in no event
     later than ten business days, the Exchange Agent shall mail to each holder
     of record of an Edisto Certificate (x) a letter of transmittal (which shall
     specify that delivery shall be effected, and risk of loss and title to the
     Edisto Certificates shall pass, only upon actual delivery of the Edisto
     Certificates to the Exchange Agent) and (y) instructions for use in
     effecting the surrender of the Edisto Certificates in exchange for
     certificates representing shares of Parent Common Stock and Merger 1 Cash
     Consideration. Upon surrender of Edisto Certificates for cancellation to
     the Exchange Agent, together with a duly executed letter of transmittal and
     such other documents as the Exchange Agent shall reasonably require, the
     holder of such Edisto Certificates shall be entitled to receive in exchange
     therefor (1) a certificate representing that number of whole shares, if
     any, of Parent Common Stock into which the shares of Edisto Common Stock
     theretofore represented by the Edisto Certificates so surrendered shall
     have been converted pursuant to the provisions of Section 4(a)(i)(A)(x),
     and (2) the amount of Merger 1 Cash Consideration into
 
<PAGE>   13
 
     which the number of shares of Edisto Common Stock previously represented by
     such Edisto Certificates so surrendered shall have been converted pursuant
     to the provisions of Section 4(a)(i)(A)(y), and the Edisto Certificates so
     surrendered shall be canceled. Notwithstanding the foregoing, neither the
     Exchange Agent nor any party hereto shall be liable to a holder of shares
     of Edisto Common Stock for any shares of Parent Common Stock or dividends
     or distributions thereon delivered to a public official pursuant to
     applicable abandoned property, escheat or similar laws.
 
          (B) Promptly after the Merger 2 Effective Time, but in no event later
     than ten business days, the Exchange Agent shall mail to each holder of
     record of a Convest Certificate (x) a letter of transmittal (which shall
     specify that delivery shall be effected, and risk of loss and title to the
     Convest Certificates shall pass, only upon actual delivery of the Convest
     Certificates to the Exchange Agent) and (y) instructions for use in
     effecting the surrender of the Convest Certificates in exchange for
     certificates representing shares of Parent Common Stock. Upon surrender of
     Convest Certificates for cancellation to the Exchange Agent, together with
     a duly executed letter of transmittal and such other documents as the
     Exchange Agent shall reasonably require, the holder of such Convest
     Certificates shall be entitled to receive in exchange therefor a
     certificate representing that number of whole shares, if any, of Parent
     Common Stock into which the shares of Convest Common Stock theretofore
     represented by the Convest Certificates so surrendered shall have been
     converted pursuant to the provisions of Section 4(a)(ii)(A), and the
     Convest Certificates so surrendered shall be canceled. Notwithstanding the
     foregoing, neither the Exchange Agent nor any party hereto shall be liable
     to a holder of shares of Convest Common Stock for any shares of Parent
     Common Stock or dividends or distributions thereon delivered to a public
     official pursuant to applicable abandoned property, escheat or similar
     laws.
 
          (v) Promptly following the date which is one year after the Closing
     Date, the Exchange Agent shall deliver to Parent all cash (including any
     remaining balance in the Exchange Fund), certificates (including any Parent
     Common Stock) and other documents in its possession relating to the
     transactions described in this Agreement, and the Exchange Agent's duties
     shall terminate. Thereafter, each holder of an Edisto Certificate or a
     Convest Certificate may surrender such certificate to Parent and (subject
     to applicable abandoned property, escheat and similar laws) receive in
     exchange therefor the Parent Common Stock and Merger 1 Cash Consideration
     (if applicable), without any interest thereon. If outstanding Edisto
     Certificates or Convest Certificates are not surrendered prior to six years
     after the Merger 2 Effective Time (or, in any particular case, prior to
     such earlier date on which any Merger 1 Consideration issuable in respect
     of such Edisto Certificates or Merger 2 Consideration issued in respect of
     such Convest Certificates or the dividends and other distributions, if any,
     described below would otherwise escheat to or become the property of any
     governmental unit or agency), the Merger 1 Consideration issuable in
     respect of such Edisto Certificates or Merger 2 Consideration issuable in
     respect of such Convest Certificates, and the amount of dividends and other
     distributions, if any, which have become payable and which thereafter
     become payable thereon as provided herein shall, to the extent permitted by
     applicable law, become the property of Parent, free and clear of all claims
     or interest of any Person previously entitled thereto. Notwithstanding the
     foregoing, neither the Exchange Agent or the Parties shall be liable to a
     holder of shares of Edisto Common Stock or Convest Common Stock for any
     shares of Parent Common Stock or Merger 1 Cash Consideration delivered to a
     public official pursuant to applicable abandoned property, escheat or
     similar laws.
 
          (vi) In the event any Edisto Certificate or Convest Certificate shall
     have been lost, stolen or destroyed, upon the making of an affidavit of
     that fact by the person claiming such Edisto Certificate or Convest
     Certificate to be lost, stolen or destroyed and, subject to the following
     sentence, Surviving Corporation 2 shall issue in exchange for such lost,
     stolen or destroyed Edisto Certificate or Convest Certificate the Merger 1
     Consideration or Merger 2 Consideration, respectively, deliverable in
     respect thereof determined in accordance with this Section 4. Surviving
     Corporation 2 may, in its discretion and as a condition precedent to the
     issuance thereof, require the owner of such lost, stolen or destroyed
     certificate to give such corporation such indemnity, bond or insurance as
     it may reasonably direct as protection against any claim that may be made
     against such corporation with respect to the certificate alleged to have
     been lost, stolen or destroyed.
 
<PAGE>   14
 
     (e) No Fractional Securities. Notwithstanding any other provision of this
Agreement, no certificates or scrip for fractional shares of Parent Common Stock
shall be issued in the Mergers and no Parent Common Stock dividend, stock split
or interest shall relate to any fractional security, and such fractional
interests shall not entitle the owner thereof to vote or to any other rights of
a security holder. In lieu of any such fractional share, each holder of shares
of Edisto Common Stock or Convest Common Stock who would otherwise have been
entitled to receive a fraction of a share of Parent Common Stock upon surrender
of Edisto Certificates or Convest Certificates for exchange pursuant to this
Section 4 shall be entitled to receive from the Exchange Agent a cash payment
equal to such fraction multiplied by either (i) the Weighted Average Trading
Price, (ii) $34.96 or (iii) $28.96, depending on which of the foregoing prices
is used for the ratio calculations pursuant to Section 4(a).
 
     (f) Closing. The closing (the "Closing") of the transactions contemplated
by this Agreement shall take place at a location mutually agreeable to Parent,
Edisto and Convest as promptly as practicable following the date on which the
last of the conditions set forth in Section 9 is fulfilled or waived, or at such
other time and place as Parent, Edisto and Convest shall agree. The date on
which the Closing occurs is referred to in this Agreement as the "Closing Date."
 
     (g) Closing of Transfer Books.
 
          (i) Edisto. At and after the Merger 1 Effective Time, holders of
     Edisto Certificates shall cease to have any rights as stockholders of
     Edisto, except for the right to receive shares of Parent Common Stock and
     Merger 1 Cash Consideration pursuant to Section 4(a)(i) and the right to
     receive cash for payment of fractional shares pursuant to Section 4(e). At
     the Merger 1 Effective Time, the stock transfer books of Edisto shall be
     closed and no transfer of shares of Edisto Common Stock which were
     outstanding immediately prior to the Merger 1 Effective Time shall
     thereafter be made. If, after the Merger 1 Effective Time, subject to the
     terms and conditions of this Agreement, Edisto Certificates formerly
     representing shares of Edisto Common Stock are presented to Parent, they
     shall be canceled and exchanged for shares of Parent Common Stock in
     accordance with this Section 4.
 
          (ii) Convest. At and after the Merger 2 Effective Time, holders of
     Convest Certificates shall cease to have any rights as stockholders of
     Convest, except for the right to receive shares of Parent Common Stock
     pursuant to Section 4(a)(ii) and the right to receive cash for payment of
     fractional shares pursuant to Section 4(e). At the Merger 2 Effective Time,
     the stock transfer books of Convest shall be closed and no transfer of
     shares of Convest Common Stock which were outstanding immediately prior to
     the Dissolution Effective Time shall thereafter be made. If, after the
     Merger 2 Effective Time, subject to the terms and conditions of this
     Agreement, Convest Certificates formerly representing shares of Convest
     Common Stock are presented to Parent, they shall be canceled and exchanged
     for shares of Parent Common Stock in accordance with this Section 4.
 
     (h) Appraisal Rights. Notwithstanding anything in this Agreement to the
contrary, in the event that appraisal rights are available in connection with
Merger 1 pursuant to Section 262 of the DGCL, shares of Edisto Common Stock that
are issued and outstanding immediately prior to the Merger 1 Effective Time and
that are held by Edisto Stockholders who did not vote in favor of Merger 1 and
who comply with all of the relevant provisions of Section 262 of the DGCL (the
"Dissenting Shares") shall not be converted into or be exchangeable for the
right to receive the Merger 1 Consideration, unless and until such Edisto
Stockholders shall have failed to perfect or shall have effectively withdrawn or
lost such right, and such Edisto Stockholders' shares of Edisto Common Stock
shall thereupon be deemed to have been converted into and to have become
exchangeable for the right to receive, as of the Merger 1 Effective Time, the
Merger 1 Consideration without any interest thereon. Edisto shall give Parent
(i) prompt notice of any written demands for appraisal of shares of Edisto
Common Stock received by Edisto and (ii) the opportunity to direct all
negotiations and proceedings with respect to any such demands. Edisto shall not,
without the prior consent of Parent, voluntarily make any payment with respect
to, or settle or offer to settle, any such demands.
 
<PAGE>   15
 
SECTION 5. REPRESENTATIONS AND WARRANTIES OF THE SELLERS.
 
     Except for those matters included in the Sellers Disclosure Schedule, which
inclusion will not be deemed an admission by Sellers that any such matter is
material or has or would have a Material Adverse Effect or represents a Material
Adverse Change, each Seller represents and warrants to the Purchaser as follows:
 
     (a) Organization, Qualification, and Corporate Power. Each of the Sellers
and their respective Subsidiaries is a corporation duly organized, validly
existing and in good standing under the laws of the jurisdiction of its
incorporation. Set forth on the Sellers Disclosure Schedule is a list of all
Subsidiaries of each Seller, and a list of those jurisdictions where each of the
Sellers and their respective Subsidiaries are qualified to conduct business.
Each of the Sellers and its respective Subsidiaries is duly authorized to
conduct business and is in good standing under the laws of each jurisdiction
where such qualification is required, except for failures that would not have a
Material Adverse Effect. The Sellers Disclosure Schedule correctly sets forth
the name of each Subsidiary of each Seller, the jurisdiction of its
incorporation and the Persons owning its outstanding capital stock.
 
     (b) Capitalization.
 
          (i) (x) The entire authorized capital stock of Edisto consisted of
     50,000,000 shares of Edisto Common Stock and 10,000,000 shares of preferred
     stock, of which 14,138,274 shares (excluding treasury shares) of Edisto
     Common Stock and no shares of preferred stock were issued and outstanding
     as of June 16, 1997, and (y) the entire authorized capital stock of Convest
     consisted of 20,000,000 shares of Convest Common Stock and 5,000,000 shares
     of preferred stock, of which 10,544,411 shares (excluding treasury shares)
     of Convest Common Stock and no shares of preferred stock were issued and
     outstanding as of June 16, 1997. Edisto is the beneficial owner of
     7,598,771 shares of Convest Common Stock (the "Shares"), free and clear of
     any liens, claims, options, charges or other encumbrances.
 
          (ii) Except for employee and director stock options disclosed on
     Sellers Disclosure Schedule, there are no outstanding or authorized
     options, warrants, purchase rights, subscription rights, conversion rights,
     exchange rights, or other contracts or commitments that could require
     either Seller to issue, sell, or otherwise cause to become outstanding any
     of its capital stock or any other securities convertible into or evidencing
     the right to subscribe for any of its capital stock. There are no
     outstanding or authorized stock appreciation, phantom stock, profit
     participation, or similar rights with respect to either Seller. At and as
     of the Closing, neither Seller will be a party to any agreement relating to
     the registration under the Securities Act of shares of capital stock of
     such Seller or any successor entity. The Sellers Disclosure Schedule shall
     indicate, by holder, the shares of capital stock of each Seller subject to
     any options, warrants or similar rights, and the exercise price, expiration
     date and vesting period thereof.
 
     (c) Authorization of Transaction.
 
          (i) Each Seller has corporate power and authority to execute and
     deliver this Agreement, and, subject to the Requisite Stockholder
     Approvals, to consummate the transactions contemplated hereby. The Board of
     Directors of Edisto, has approved this Agreement and Merger 1 in accordance
     with the applicable provisions of the DGCL and (A) recommended approval of
     this Agreement and Merger 1 by the Edisto Stockholders, and (B) duly and
     validly authorized the execution and delivery of this Agreement by Edisto
     and the consummation by Edisto of the transactions contemplated hereby. The
     Board of Directors of Convest has approved this Agreement and Merger 2 in
     accordance with the applicable provisions of the TBCA and (A) recommended
     approval of this Agreement and Merger 2 by the Convest Stockholders, and
     (B) duly and validly authorized the execution and delivery of this
     Agreement by Convest and the consummation by Convest of the transactions
     contemplated hereby. Except for the Requisite Stockholder Approvals, no
     other corporate proceedings on the part of either Seller are necessary to
     authorize this Agreement or to consummate the transactions so contemplated.
     This Agreement has been duly executed and delivered on behalf of each
     Seller and, subject to the Requisite Stockholder Approvals, constitutes the
     valid and legally binding obligation of each Seller, enforceable against
     each Seller in accordance with its terms and conditions, except that (A)
     such enforcement may be subject to bankruptcy, insolvency, reorganization,
     moratorium or other similar laws
 
<PAGE>   16
 
     now or hereafter in effect relating to creditors' rights generally and (B)
     the remedy of specific performance and injunctive and other forms of
     equitable relief may be subject to equitable defenses and to the discretion
     of the court before which any proceeding therefor may be brought.
 
          (ii) The only votes of Edisto Stockholders required to adopt the
     Agreement and approve Merger 1 are the affirmative vote of the holders of a
     majority of Edisto Common Stock pursuant to Section 216 of the DGCL,
     Edisto's Restated Certificate of Incorporation, as amended, and Section 5
     of Edisto's By-laws, represented in person or by proxy, at a stockholder
     meeting called by Edisto for the purpose of considering and voting upon the
     Agreement and Merger 1 or by written consent in lieu of a meeting pursuant
     to Section 228 of the DGCL and in accordance with Edisto's Restated
     Certificate of Incorporation, as amended; the only votes of Convest
     Stockholders required to adopt the Agreement and approve Merger 2 are the
     affirmative vote of the holders of two-thirds of the outstanding shares of
     Convest Common Stock pursuant to Article XII.A. of Convest's Articles of
     Incorporation and Article 5.03 of the TBCA, represented in person or by
     proxy, at a stockholder meeting called by Convest for the purpose of
     considering and voting upon the Agreement and Merger 2 or by written
     consent in lieu of a meeting pursuant to Article XII.B. of Convest's
     Articles of Incorporation and Article 9.10.A. of the TBCA (collectively,
     the "Requisite Stockholder Approvals"). The Convest Stockholders will not
     have any appraisal or dissenter's rights under the TBCA as a result of the
     transactions contemplated by this Agreement.
 
     (d) Non-Contravention. The execution and delivery of this Agreement by each
Seller do not violate, conflict with or result in a breach of any provision of,
or constitute a default (or an event which, with notice or lapse of time or
both, would constitute a default) under, or result in the termination of, or
accelerate the performance required by, or result in a right of termination or
acceleration under, or result in the creation of any lien, security interest,
charge, encumbrance or preferential right to purchase upon any of the properties
or assets of either Seller or any of its respective Subsidiaries under any of
the terms, conditions or provisions of (i) the respective charters or by-laws of
either Seller or any of its respective Subsidiaries, (ii) any statute, law,
ordinance, rule, regulation, judgment, decree, order, injunction, writ, permit
or license of any court or governmental authority applicable to either Seller or
any of its respective Subsidiaries or any of their respective properties or
assets or (iii) any note, bond, mortgage, indenture, deed of trust, license,
franchise, permit, concession, contract, lease or other instrument, obligation
or agreement of any kind to which either Seller or any of its respective
Subsidiaries is now a party or by which either Seller or any of its respective
Subsidiaries or any of their respective properties or assets may be bound or
affected. The consummation by the Sellers of the transactions contemplated
hereby will not result in any violation, conflict, breach, termination,
acceleration or creation of liens or preferential right to purchase under any of
the terms, conditions or provisions described in clauses (i) through (iii) of
the preceding sentence, subject (x) in the case of the terms, conditions or
provisions described in clause (ii) above, to obtaining (prior to the Merger 1
Effective Time) the Requisite Stockholder Approvals and (y) in the case of the
terms, conditions or provisions described in clause (iii) above, to obtaining
(prior to the Merger 1 Effective Time) consents required from commercial
lenders, lessors or other third parties as specified on the Sellers Disclosure
Schedule. Excluded from the foregoing sentences of this paragraph (d), insofar
as they apply to the terms, conditions or provisions described in clauses (ii)
and (iii) of the first sentence of this paragraph (d), are such violations,
conflicts, breaches, defaults, terminations, accelerations or creations of
liens, security interests, charges or encumbrances that would not, in the
aggregate, have a Material Adverse Effect.
 
     (e) Approvals. Except for (i) the filing of the Joint Proxy
Statement/Prospectus with the SEC pursuant to the Exchange Act and the
Securities Act, and the declaration of the effectiveness thereof by the SEC and
any filings with various state blue sky authorities and, (ii) the making of the
Merger Filings with the Secretaries of State of the States of Delaware and Texas
in connection with the Mergers (the filings and approvals referred to in clauses
(i) and (ii) are collectively referred to as the "Sellers Required Statutory
Approvals"), no declaration, filing or registration with, or notice to, or
authorization, consent or approval of, any governmental or regulatory body or
authority is necessary for the execution and delivery of this Agreement by
either Seller or the consummation by either Seller of the transactions
contemplated hereby, including pursuant to the HSR Act, other than such
declarations, filings, registrations, notices, authorizations, consents
 
<PAGE>   17
 
or approvals which, if not made or obtained, as the case may be, would not, in
the aggregate, have a Material Adverse Effect.
 
     (f) Reports and Financial Statements. Each Seller has filed with the SEC
all forms, statements, reports and documents (including all exhibits,
post-effective amendments and supplements thereto) required to be filed by it
under each of the Securities Act, the Exchange Act and the respective rules and
regulations thereunder, all of which, as amended if applicable, complied when
filed in all material respects with all applicable requirements of the
appropriate act and the rules and regulations thereunder. Each Seller has
previously delivered to Parent copies (including all exhibits, post-effective
amendments and supplements thereto) of its (a) Annual Reports on Form 10-K for
the fiscal year ended December 31, 1996 and for the two immediately preceding
fiscal years, as filed with the SEC, (b) proxy and information statements
relating to (i) all meetings of its stockholders (whether annual or special) and
(ii) actions by written consent in lieu of a stockholders' meeting from January
1, 1994, until the date hereof, and (c) all other reports and registration
statements filed by each Seller with the SEC since January 1, 1994 (the
documents referred to in clauses (a), (b) and (c) filed prior to the date hereof
are collectively referred to as the "Sellers SEC Reports"). The Sellers SEC
Reports are identified on the Sellers Disclosure Schedule. As of their
respective dates, the Sellers SEC Reports did not contain any untrue statement
of a material fact or omit to state a material fact required to be stated
therein or necessary to make the statements therein, in the light of the
circumstances under which they were made, not misleading. The audited
consolidated financial statements and unaudited interim consolidated financial
statements of each Seller included in such reports (collectively, the "Sellers
Financial Statements") have been prepared in accordance with GAAP applied on a
consistent basis (except as may be indicated therein or in the notes thereto)
and fairly present the financial position of each Seller and their respective
Subsidiaries as of the dates thereof and the results of their operations and
changes in financial position for the periods then ended, subject, in the case
of the unaudited interim financial statements, to normal year-end and audit
adjustments and any other adjustments described therein.
 
     (g) Absence of Undisclosed Liabilities. Except as disclosed in the Sellers
SEC Reports or the Sellers Disclosure Schedule, neither Seller nor any of their
respective Subsidiaries had at December 31, 1996, or has incurred since that
date, any liabilities or obligations (whether absolute, accrued, contingent or
otherwise) of any nature, except liabilities, obligations or contingencies
which: (i) are accrued or reserved against in the Sellers Financial Statements
or reflected in the notes thereto, (ii) would not, in the aggregate, have a
Material Adverse Effect, (iii) have been discharged or paid in full prior to the
date hereof, or (iv) are of a nature not required to be reflected in the
consolidated financial statements of either Seller and their respective
Subsidiaries prepared in accordance with GAAP consistently applied and which
were incurred in the Ordinary Course of Business.
 
     (h) Absence of Certain Changes or Events. Since the date of the most recent
Sellers SEC Report for each Seller that contains consolidated financial
statements of such Seller, there has not been any Material Adverse Change.
 
     (i) Litigation. Except as disclosed in the Sellers SEC Reports or in the
Sellers Disclosure Schedule, there are no claims, suits, actions or proceedings
pending or, to the knowledge of either Seller, threatened against, relating to
or affecting either Seller or any of its respective Subsidiaries, before any
court, governmental department, commission, agency, instrumentality or
authority, or any arbitrator that seek to restrain or enjoin the consummation of
any of the Mergers or which if decided adversely to either Seller or its
respective Subsidiary could, either alone or in the aggregate with all such
claims, actions or proceedings, have a Material Adverse Effect. Except as set
forth in the Sellers SEC Reports, neither Seller nor any of its Subsidiaries is
subject to any judgment, decree, injunction, rule or order of any court,
governmental department, commission, agency, instrumentality or authority or any
arbitrator which prohibits or restricts the consummation of the transactions
contemplated hereby or which if decided adversely to either Seller or its
respective Subsidiary could, either individually or in the aggregate, have a
Material Adverse Effect.
 
     (j) Registration Statement and Information Statement. None of the
information to be supplied by either Seller or its Subsidiaries for inclusion in
(a) the Registration Statement on Form S-4 to be filed under the Securities Act
with the SEC by Parent in connection with the Mergers for the purpose of
registering the
 
<PAGE>   18
 
shares of Parent Common Stock to be issued in the Mergers (the "Registration
Statement") or (b) the proxy statements to be distributed in connection with the
approval of this Agreement and the transactions contemplated hereby by the
stockholders of the respective Sellers (the "Proxy Statements" and, together
with the prospectus included in the Registration Statement, the "Joint Proxy
Statements/Prospectus") will, in the case of the Proxy Statement or any
amendments thereof or supplements thereto, at the time of the mailing of the
Proxy Statement and any amendments or supplements thereto, and at the time of
any action by the stockholders of the respective Sellers in connection with the
transactions contemplated by this Agreement, or, in the case of the Registration
Statement, as amended or supplemented, at the time it becomes effective and at
the time of such action by the stockholders of the respective Sellers, contain
any untrue statement of a material fact or omit to state any material fact
required to be stated therein or necessary in order to make the statements
therein, in the light of the circumstances under which they are made, not
misleading. The Joint Proxy Statements/Prospectus will, as of its mailing date,
comply as to form in all material respects with all applicable laws, including
the provisions of the Securities Act and the Exchange Act and the rules and
regulations promulgated thereunder, except that no representation is made by
either Seller with respect to information supplied by any Purchaser for
inclusion therein.
 
     (k) No Violation of Law. Except as disclosed in the Sellers SEC Reports or
in the Sellers Disclosure Schedule, neither Seller nor any of its respective
Subsidiaries is in violation of, or has been given notice or been charged with
any violation of, any law, statute, order, rule, regulation, ordinance, or
judgment (including, without limitation, any applicable environmental law,
ordinance or regulation) of any governmental or regulatory body or authority,
except for violations which, in the aggregate, could not have a Material Adverse
Effect. Except as disclosed in the Sellers SEC Reports or in the Sellers
Disclosure Schedule, as of the date of this Agreement, to the knowledge of
either Seller, no investigation or review by any governmental or regulatory body
or authority is pending or threatened, nor has any governmental or regulatory
body or authority indicated an intention to conduct the same, other than, in
each case, those the outcome of which, either individually or in the aggregate,
will not have a Material Adverse Effect. Each Seller and its respective
Subsidiaries has all permits, licenses, franchises, variances, exemptions,
orders and other governmental authorizations, consents and approvals necessary
to conduct its businesses as presently conducted (collectively, the "Sellers
Permits"), except for permits, licenses, franchises, variances, exemptions,
orders, authorizations, consents and approvals the absence of which, alone or in
the aggregate, would not have a Material Adverse Effect. Each Seller and its
respective Subsidiaries is not in violation of the terms of any Sellers Permit,
except for delays in filing reports or violations which, alone or in the
aggregate, would not have a Material Adverse Effect.
 
     (l) Compliance with Agreements. Except as disclosed in the Sellers SEC
Reports, neither Seller nor any of its respective Subsidiaries is in breach or
violation of or in default in the performance or observance of any term or
provision of, and no event has occurred which, with lapse of time or action by a
third party, could result in a default under (i) the respective charter, by-laws
or other similar organizational instruments of either Seller or any of its
Subsidiaries or (ii) any contract, commitment, agreement, indenture, mortgage,
loan agreement, note, lease, bond, license, approval or other instrument to
which either Seller or any of its Subsidiaries is a party or by which any of
them is bound or to which any of their property is subject, other than, in the
case of clause (ii) of this paragraph (l), breaches, violations and defaults
which would not have, either individually or in the aggregate, a Material
Adverse Effect.
 
     (m) Taxes.
 
          (i) Each Seller and its respective Subsidiaries have (A) duly filed
     with the appropriate governmental authorities all Tax Returns required to
     be filed by them for all periods ending on or prior to the Merger 1
     Effective Time, other than those Tax Returns the failure of which to file
     would not, either individually or in the aggregate, have a Material Adverse
     Effect, and such Tax Returns are true, correct and complete in all material
     respects and (B) duly paid in full or made adequate provision for the
     payment of all Taxes for all past and current periods, except for those
     Taxes, the failure to have paid would not, either individually or in the
     aggregate, have a Material Adverse Effect. The liabilities and reserves for
     Taxes reflected in each Seller's balance sheet included in such Seller's
     latest Sellers SEC Reports are adequate to cover all Taxes for all periods
     ending at or prior to the date of such balance sheet and there is no
     liability for Taxes for any period beginning after such date other than
     Taxes arising in the
 
<PAGE>   19
 
     Ordinary Course of Business. There are no material liens for Taxes upon any
     property or assets of either Seller or any Subsidiary thereof, except for
     liens for Taxes not yet due. Except as set forth on the Sellers Disclosure
     Schedule, neither Seller nor its respective Subsidiaries has received
     notice of an audit from any taxation authority There are no unresolved
     issues of law or fact arising out of a notice of deficiency, proposed
     deficiency or assessment from the IRS or any other governmental taxing
     authority with respect to Taxes of either Seller or any of its Subsidiaries
     which, if decided adversely, singly or in the aggregate, would have a
     Material Adverse Effect. Neither Seller nor its respective Subsidiaries has
     waived any statute of limitations in respect of Taxes or agreed to any
     extension of time with respect to a Tax assessment or deficiency other than
     waivers and extensions which are no longer in effect. Neither Seller nor
     any of its respective Subsidiaries is a party to any agreement providing
     for the allocation or sharing of Taxes with any entity that is not,
     directly or indirectly, a wholly owned corporate Subsidiary of such Seller
     other than agreements the consequences of which are fully and adequately
     reserved for in the Sellers Financial Statements. Neither Seller nor any of
     its respective corporate Subsidiaries has, with regard to any assets or
     property held, acquired or to be acquired by any of them, filed a consent
     to the application of Section 341(f) of the Code.
 
          (ii) For purposes of this Agreement, the term "Taxes" shall mean all
     taxes, including, without limitation, income, gross receipts, excise,
     property, sales, withholding, social security, occupation, use, service,
     license, payroll, franchise, transfer and recording taxes, fees and
     charges, windfall profits, severance, customs, import, export, employment
     or similar taxes, charges, fees, levies or other assessments imposed by the
     United States, or any state, local or foreign government or subdivision or
     agency thereof, whether computed on a separate, consolidated, unitary,
     combined or any other basis, and such term shall include any interest,
     fines, penalties or additional amounts and any interest in respect of any
     additions, fines or penalties attributable or imposed or with respect to
     any such taxes, charges, fees, levies or other assessments.
 
          (iii) For purposes of this Agreement, the term "Tax Return" shall mean
     any return, report or other document or information required to be supplied
     to a taxing authority in connection with Taxes.
 
     (n) Employee Benefit Plans; ERISA.
 
          (i) Except as disclosed in the Sellers SEC Reports or Sellers
     Disclosure Schedule, at the date hereof, Sellers and their Subsidiaries do
     not maintain or contribute to or have any obligation or liability to or
     with respect to any material employee benefit plans, including employee
     benefit plans within the meaning set forth in Section 3(3) of ERISA,
     programs, arrangements, practices or other similar material arrangements
     for the provision of benefits (such plans, programs, arrangements or
     practices of Sellers and their Subsidiaries being referred to as the
     "Sellers Plans"), but excluding any "Multiemployer Plan" within the meaning
     of Section 3(37) of ERISA or a "Multiple Employer Plan" within the meaning
     of Section 413(c) of the Code. The Sellers Disclosure Schedule lists all
     Multiemployer Plans to which any of them makes contributions or has any
     obligation or liability to make contributions. Neither Seller nor any of
     its respective Subsidiaries maintains or has any liability with respect to
     any Multiple Employer Plan, which, individually or in the aggregate, could
     have a Material Adverse Effect. Neither Seller nor any of its respective
     Subsidiaries has any obligation to create or contribute to any additional
     such plan, program, arrangement or practice or to amend any such plan,
     program, arrangement or practice so as to increase benefits or
     contributions thereunder, except as required under the terms of the Sellers
     Plans or to comply with applicable law.
 
          (ii) Except as disclosed in the Sellers SEC Reports or Sellers
     Disclosure Schedule, (A) there have been no prohibited transactions within
     the meaning of Section 406 or 407 of ERISA or Section 4975 of the Code with
     respect to any of the Sellers Plans that could result in penalties, taxes
     or liabilities which, singly or in the aggregate, could have a Material
     Adverse Effect, (B) except for premiums due, there is no outstanding
     material liability, whether measured alone or in the aggregate, under Title
     IV of ERISA with respect to any of the Sellers Plans, (C) neither the
     Pension Benefit Guaranty Corporation nor any plan administrator has
     instituted proceedings to terminate any of the Sellers Plans subject to
     Title IV of
 
<PAGE>   20
 
     ERISA other than in a "standard termination" described in Section 4041(b)
     of ERISA, (D) none of the Sellers Plans has incurred any "accumulated
     funding deficiency" (as defined in Section 302 of ERISA and Section 412 of
     the Code), whether or not waived, as of the last day of the most recent
     fiscal year of each of the Sellers Plans ended prior to the date of this
     Agreement, (E) the current present value of all projected benefit
     obligations under each of the Sellers Plans which is subject to Title IV of
     ERISA did not, as of its latest valuation date, exceed the then current
     value of the assets of such plan allocable to such benefit liabilities by
     more than the amount, if any, disclosed in the Sellers SEC Reports as of
     March 31, 1997, based upon reasonable actuarial assumptions currently
     utilized for such Sellers Plan, (F) each of the Sellers Plans has been
     operated and administered in all material respects in accordance with
     applicable laws during the period of time covered by the applicable statute
     of limitations, (G) each of the Sellers Plans which is intended to be
     "qualified" within the meaning of Section 401(a) of the Code has been
     determined by the IRS to be so qualified and such determination has not
     been modified, revoked or limited by failure to satisfy any condition
     thereof or by a subsequent amendment thereto or a failure to amend, except
     that it may be necessary to make additional amendments retroactively to
     maintain the "qualified" status of such Sellers Plans, and the period for
     making any such necessary retroactive amendments has not expired, (H) with
     respect to Multiemployer Plans, neither Seller nor any of its respective
     Subsidiaries has made or suffered a "complete withdrawal" or a "partial
     withdrawal," as such terms are respectively defined in Sections 4203, 4204
     and 4205 of ERISA and, to the best knowledge of each Seller and its
     respective Subsidiaries, no event has occurred or is expected to occur
     which presents a material risk of a complete or partial withdrawal under
     said Sections 4203, 4204 and 4205, (I) to the best knowledge of each Seller
     and its respective Subsidiaries, there are no material pending, threatened
     or anticipated claims involving any of the Sellers Plans other than claims
     for benefits in the ordinary course, (J) each Seller and its respective
     Subsidiaries have no current material liability under Title IV of ERISA,
     and each Seller and its respective Subsidiaries do not reasonably
     anticipate that any such liability will be asserted against either Seller
     or any of its Subsidiaries, and (K) no act, omission or transaction
     (individually or in the aggregate) has occurred with respect to any Sellers
     Plan that has resulted or could result in any material liability (direct or
     indirect) of either Seller or any respective Subsidiary under Sections 409
     or 502(c)(i) or (l) of ERISA or Chapter 43 of Subtitle (A) of the Code.
     None of the Sellers Plans has an "accumulated funding deficiency" (as
     defined in Section 302 of ERISA and Section 412 of the Code) or is required
     to provide security to a Sellers Plan pursuant to Section 401(a)(29) of the
     Code. Each Sellers Plan can be unilaterally terminated by a Seller or a
     Subsidiary at any time without material liability, other than for amounts
     previously reflected in the financial statements (or notes thereto)
     included in the Sellers SEC Reports.
 
          (iii) The Sellers SEC Reports or the Sellers Disclosure Schedule
     contain a true and complete summary or list of or otherwise describe all
     material employment contracts and other employee benefit arrangements with
     "change of control" or similar provisions and all severance agreements with
     executive officers (including, in each case, the amount of any payments
     which may be due as a result of the transactions contemplated by this
     Agreement). Section 5(n)(iii) of the Sellers Disclosure Schedule sets forth
     in reasonable detail all severance pay, vacation pay, stay bonuses or other
     payments arising out of or otherwise relating or due to the termination or
     resignation of any officers, directors or employees of either Seller or
     their Subsidiaries or otherwise arising out of or relating or due to the
     transactions contemplated by this Agreement. Any payments described in the
     foregoing sentence have been approved by all necessary corporate action by
     the Board of Directors of each Seller.
 
          (iv) Except as set forth in the Sellers Disclosure Schedule, there are
     no agreements which will or may provide payments to any officer, employee,
     stockholder, or highly compensated individual which will be "parachute
     payments" under Code Section 280G that are nondeductible to the Sellers or
     subject to tax under Code Section 4999 for which a Seller or any ERISA
     Affiliate would have withholding liability.
 
     (o) Labor Controversies. Except as disclosed in the Sellers SEC Reports,
(i) there are no significant controversies pending or, to the knowledge of
either Seller, threatened between either Seller or its Subsidiaries and any
representatives of any of their employees and (ii) to the knowledge of either
Seller, there are no material organizational efforts presently being made
involving any of the presently unorganized employees of
 
<PAGE>   21
 
either Seller and its Subsidiaries except for such controversies and
organizational efforts which, singly or in the aggregate, could not reasonably
be expected to have a Material Adverse Effect.
 
     (p) Environmental Matters.
 
          (i) Except as disclosed in the Sellers SEC Reports or the Sellers
     Disclosure Schedule, (A) each Seller and its respective Subsidiaries have
     conducted their respective businesses in compliance with all applicable
     Environmental Laws, including, without limitation, having all permits,
     licenses and other approvals and authorizations necessary for the operation
     of their respective businesses as presently conducted, (B) none of the
     properties owned by either Seller or any of its respective Subsidiaries
     contain any Hazardous Substance as a result of any activity of either
     Seller or any of its respective Subsidiaries in amounts exceeding the
     levels permitted by applicable Environmental Laws, (C) neither Seller nor
     any of its respective Subsidiaries has received any notices, demand letters
     or requests for information from any Federal, state, local or foreign
     governmental entity or third party indicating that either Seller or any of
     its respective Subsidiaries may be in violation of, or liable under, any
     Environmental Law in connection with the ownership or operation of their
     businesses, (D) there are no civil, criminal or administrative actions,
     suits, demands, claims, hearings, investigations or proceedings pending or
     threatened, against either Seller or any of its respective Subsidiaries
     relating to any violation, or alleged violation, of any Environmental Law,
     (E) no reports have been filed, or are required to be filed, by either
     Seller or any of its respective Subsidiaries concerning the release of any
     Hazardous Substance or the threatened or actual violation of any
     Environmental Law, (F) no Hazardous Substance has been disposed of,
     released or transported in violation of any applicable Environmental Law
     from any properties owned by either Seller or any of its respective
     Subsidiaries as a result of any activity of either Seller or any of its
     respective Subsidiaries during the time such properties were owned, leased
     or operated by either Seller or any of its respective Subsidiaries, (G)
     there have been no environmental investigations, studies, audits, tests,
     reviews by or which are in the possession of either Seller or its
     respective Subsidiaries relating to the activities of a Seller or its
     respective Subsidiaries which have not been delivered to Parent prior to
     the date hereof, (H) there are no underground storage tanks on, in or under
     any properties owned by either Seller or any of its respective Subsidiaries
     and no underground storage tanks have been closed or removed from any of
     such properties during the time such properties were owned, leased or
     operated by either Seller or any of its respective Subsidiaries, (I) there
     is no asbestos or asbestos containing material present in any of the
     properties owned by either Seller and its respective Subsidiaries, and no
     asbestos has been removed from any of such properties during the time such
     properties were owned, leased or operated by such Seller or any of its
     respective Subsidiaries, and (J) neither Seller, its respective
     Subsidiaries nor any of their respective properties are subject to any
     liabilities or expenditures (fixed or contingent) relating to any suit,
     settlement, court order, administrative order, regulatory requirement,
     judgment or claim asserted or arising under any Environmental Law, except
     for violations of the foregoing clauses (A) through (J) that, singly or in
     the aggregate, would not reasonably be expected to have a Material Adverse
     Effect.
 
          (ii) As used herein, "Environmental Law" means any Federal, state,
     local or foreign law, statute, ordinance, rule, regulation, code, license,
     permit, authorization, approval, consent, legal doctrine, order, judgment,
     decree, injunction, requirement or agreement with any governmental entity
     relating to (x) the protection, preservation or restoration of the
     environment (including, without limitation, air, water vapor, surface
     water, groundwater, drinking water supply, surface land, subsurface land,
     plant and animal life or any other natural resource) or to human health or
     safety or (y) the exposure to, or the use, storage, recycling, treatment,
     generation, transportation, processing, handling, labeling, production,
     release or disposal of Hazardous Substances, in each case as amended and as
     in effect on the Closing Date. The term "Environmental Law" includes,
     without limitation, (A) the Federal Comprehensive Environmental Response
     Compensation and Liability Act of 1980, the Superfund Amendments and
     Reauthorization Act, the Federal Water Pollution Control Act of 1972, the
     Federal Clean Air Act, the Federal Clean Water Act, the Federal Resource
     Conservation and Recovery Act of 1976 (including the Hazardous and Solid
     Waste Amendments thereto), the Federal Solid Waste Disposal Act and the
     Federal Toxic Substances Control Act, the Federal Insecticide, Fungicide
     and Rodenticide Act, and the Federal Occupational Safety and Health Act of
     1970, each as amended and as in effect on the Closing Date, and
<PAGE>   22
 
     (B) any common law or equitable doctrine (including, without limitation,
     injunctive relief and tort doctrines such as negligence, nuisance, trespass
     and strict liability) that may impose liability or obligations for injuries
     or damages due to, or threatened as a result of, the presence of, effects
     of or exposure to any Hazardous Substance.
 
          (iii) As used herein, "Hazardous Substance" means any substance
     presently or hereafter listed, defined, designated or classified as
     hazardous, toxic, radioactive, or dangerous, or otherwise regulated, under
     any Environmental Law. Hazardous Substance includes any substance to which
     exposure is regulated by any government authority or any Environmental Law
     including, without limitation, any toxic waste, pollutant, contaminant,
     hazardous substance, toxic substance, hazardous waste, special waste,
     industrial substance or petroleum or any derivative or by-product thereof,
     radon, radioactive material, asbestos, or asbestos containing material,
     urea formaldehyde foam insulation, lead or polychlorinated biphenyls.
 
     (q) Non-competition Agreements. Except as disclosed in the Sellers
Disclosure Schedule, neither Seller nor any respective Subsidiary thereof is a
party to any agreement which purports to restrict or prohibit in any material
respect any of them from, directly or indirectly, engaging in any material
business currently engaged in by either Seller or Parent, or any corporations
affiliated with either of them. None of the Sellers' officers, directors or key
employees is a party to any agreement which, by virtue of such person's
relationship with a Seller, restricts in any material respect either Seller or
any respective Subsidiary thereof from, directly or indirectly, engaging in any
of the businesses described above.
 
     (r) Reserve Report and Exploration Project Information.
 
          (i) The Sellers have made available to the Purchasers certain reports
     dated February 25, 1997 prepared by the independent petroleum engineering
     firm of Ryder Scott Company (with respect to offshore properties of Convest
     as of December 31, 1996) and dated February 24, 1997 by the independent
     petroleum engineering firm of Netherland Sewell & Associates, Inc. (with
     respect to onshore properties of Convest as of January 1, 1997), true and
     correct copies of which have been previously provided to the Parent
     (together, the "Sellers Reserve Reports"). The Sellers Reserve Reports are
     the latest reserve reports available to the Sellers relating to their and
     their Subsidiaries' reserves of oil and gas. The oil and gas properties
     evaluated in the Sellers Reserve Reports are referred to herein as the
     "Sellers Evaluated Properties." The Sellers have provided no false or
     misleading information to and have not withheld any material information
     from Ryder Scott Company or Netherland Sewell and Associates, with respect
     to the preparation of the Sellers Reserve Reports.
 
          (ii) Except as set forth on Sellers Disclosure Schedule, the Sellers
     are not aware of any facts or circumstances that should reasonably cause
     the Sellers to conclude that any of the information that was supplied by
     the Sellers to Ryder Scott Company or Netherland Sewell and Associates, in
     connection with their preparation of the Sellers Reserve Reports is not
     currently correct in all material respects (other than normal depletion by
     production in the ordinary course), and to the Sellers' knowledge the
     information utilized in preparing the Sellers Reserve Reports is correct in
     all material respects.
 
          (iii) The Sellers have made available to Parent certain information
     (the "Sellers Project Information") with respect to exploration projects in
     which the Sellers are currently engaged (the "Sellers Projects"), which
     information and Sellers Projects are set forth on the Sellers Disclosure
     Schedule. The Sellers Project Information provided by the Sellers does not
     contain any untrue statement of a material fact or omit to state a material
     fact necessary to make the statements contained therein not misleading.
 
     (s) Title.
 
          (i) The leasehold, royalty, mineral and similar interests owned by
     each Seller and their respective Subsidiaries entitle it to receive not
     less than the interest set forth in the Sellers Reserve Reports as the Net
     Revenue Interest from all oil and gas and associated minerals produced,
     saved and marketed in respect of each Sellers Evaluated Property listed in
     the Sellers Reserve Reports, and obligate it to bear costs and expenses
     relating to the maintenance and development of, and the operations with
     respect to, each such Sellers Evaluated Property in an amount not greater
     than the Working Interest set forth in the
 
                                      
<PAGE>   23
 
     Sellers Reserve Reports (unless there is a corresponding increase in the
     Net Revenue Interest), except for such deficiencies which, individually or
     in the aggregate, would not have a Material Adverse Effect. Except as noted
     in the Sellers Reserve Reports, the Net Revenue Interest and the Working
     Interest with respect to each such Sellers Evaluated Property are not
     subject to change or adjustment upon the occurrence of payout or any
     similar or other event.
 
          (ii) The Sellers and their Subsidiaries have, and on the Closing Date
     will have, good and valid title to all of their leasehold, royalty, mineral
     and similar interests in the Sellers Evaluated Properties, other than the
     properties disposed of since January 1, 1997 as disclosed on the Sellers
     Disclosure Schedule or since the date hereof with the written consent of
     the Parent, free and clear of all encumbrances and title defects except for
     (A) the encumbrances and title defects specifically described in the
     Sellers Disclosure Schedule, (B) statutory liens not yet delinquent, (C)
     imperfections of title, easements, liens (including operator's liens) and
     encumbrances, the character, amount or extent of which, individually or in
     the aggregate, would not have a Material Adverse Effect, (D) contracts and
     agreements for the sale of oil and gas entered into in the Ordinary Course
     of Business, (E) lessor's royalties, overriding royalties, and division
     orders, reversionary interests and similar burdens and all existing
     operating agreements and unit agreements, if the net cumulative effect of
     the same does not operate to reduce the Net Revenue Interests of the
     Sellers Evaluated Properties to less than the Net Revenue Interests set
     forth in the Sellers Reserve Report or increase the Working Interests of
     the Sellers Evaluated Properties to more than the Working Interests set
     forth in the Sellers Reserve Report (unless there is a corresponding
     increase in the Net Revenue Interests); (F) any and all federal and state
     regulatory orders and rules to which the Sellers Evaluated Properties are
     presently subject; (G) preferential rights to purchase and required
     third-party consents to assignments and similar agreements (none of which
     arise or are required in connection with the transactions contemplated by
     this Agreement); (H) liens for Taxes not due or not delinquent at the time
     of Closing or the validity of which are being contested in good faith by
     appropriate actions; (I) all rights to consent by, required notices to,
     filings with, or other actions by governmental entities in connection with
     the sale or conveyance of oil, gas and mineral leases or interests therein
     if the same are customarily obtained after such sale or conveyance; (J)
     easements, rights-of-way, servitudes, permits, surface leases and other
     rights in respect of surface operations, pipelines, grazing, logging,
     canals, ditches, reservoirs or the like; and easements for streets, alleys,
     highways, pipelines, telephone lines, power lines, railways and other
     easements and rights-of-way, on, over or in respect of any of the Sellers
     Evaluated Properties; (K) liens of operators relating to obligations not
     yet due or not delinquent; and (L) title deficiencies commonly encountered
     in the oil and gas business which would not be considered material by a
     reasonable and prudent person engaged in the business of the ownership,
     development and operating of oil and gas properties with knowledge of all
     the facts and appreciation of their legal significance.
 
          (iii) Except where the failure would not have a Material Adverse
     Effect, (A) neither Seller nor its respective Subsidiaries are dependent
     with respect to the Sellers Evaluated Properties on the right to use the
     properties of others, except under valid and enforceable leases, contracts,
     pooling or unitization agreements, rights or other arrangements, (B) the
     Sellers and their respective Subsidiaries own, or have the right to use
     under valid and enforceable leases, contracts, rights or other
     arrangements, all gas processing facilities necessary for the current
     operations of the Sellers and their respective Subsidiaries, (C) all
     buildings, machinery and equipment currently used in the operations related
     to the Sellers Evaluated Properties are adequate for their normal operation
     consistent with industry practice, are in good working order and conform
     with all applicable Environmental Laws and (D) there is no pending or
     threatened condemnation or expropriation of any part of the Sellers
     Evaluated Properties.
 
          (iv) Except where the failure would not have a Material Adverse
     Effect, the Sellers Evaluated Properties are being developed, operated and
     maintained in compliance in all material respects with all leases,
     contracts and commitments to which either Seller or any respective
     Subsidiary is a party or by which either Seller or any respective
     Subsidiary or any of the Sellers Evaluated Properties is bound.
 
          (v) The Sellers and the Subsidiaries have good and valid title to all
     the properties and assets of every kind, character and description (real,
     personal or mixed, tangible and intangible), including, without limitation,
     all parcels of real property, pipelines, rights-of-way and easements and
     other
 
                                      
<PAGE>   24
 
     incidental rights and permits, but excluding the Sellers Evaluated
     Properties, reflected in the Sellers Financial Statements or which would
     have been reflected in the Sellers Financial Statements if acquired prior
     to March 31, 1997, (the "Sellers Assets") free and clear of all
     encumbrances of any nature except for (A) the encumbrances and title
     defects specifically described in the Sellers Disclosure Schedule; (B)
     mortgages and encumbrances which secure indebtedness or obligations which
     are properly reflected in the Sellers Financial Statements; (C) liens for
     Taxes not yet payable or any Taxes being contested in good faith; (D) liens
     arising as a matter of law in the ordinary course of business, provided
     that the obligations secured by such liens are not delinquent or are being
     contested in good faith; (E) such imperfections of title and encumbrances
     which, individually or in the aggregate, would not have a Material Adverse
     Effect; (F) any and all federal and state regulatory orders and rules to
     which the Sellers Assets are presently subject; (G) preferential rights to
     purchase and required third-party consents to assignments and similar
     agreements, none of which arise or are required in connection with the
     transactions contemplated by this Agreement; (H) statutory liens not yet
     delinquent; (I) all rights to consent by, required notices to, filings
     with, or other actions by governmental entities in connection with the sale
     or conveyance of oil, gas and mineral leases or interests therein if the
     same are customarily obtained after such sale or conveyance; (J) easements,
     rights-of-way, servitude, permits, surface leases and other rights in
     respect of surface operations, pipelines, grazing, logging, canals,
     ditches, reservoirs or the like; and easements for streets, alleys,
     highways, pipelines, telephone lines, power lines, railways and other
     easements and rights-of-way, on, over or in respect of any of the Sellers
     Assets; (K) liens of operators relating to obligations not yet due or not
     delinquent; and (L) title deficiencies commonly encountered in the oil and
     gas business which will not have a Material Adverse Effect. The Sellers and
     the Subsidiaries have valid leasehold interests in all leases reflected as
     capital leases in the Sellers Financial Statements and, to the knowledge of
     the Sellers, generally have the right to use all other property and assets
     as to which they do not have title but which are currently being used in
     the conduct of each Seller's business, except any rights of use the loss of
     which would not have a Material Adverse Effect.
 
     (t) Insurance. The Sellers Disclosure Schedule lists all material insurance
policies covering the Sellers Assets, the Sellers Evaluated Properties,
employees and operations of the Sellers and their respective Subsidiaries as of
the date hereof (other than insurance owned or held by operators for those
Sellers Assets or Sellers Evaluated Properties where a party other than a Seller
or one of its Subsidiaries is the operator). Such policies are in full force and
effect, there are no defaults thereunder. Except for claims previously made, to
the knowledge of either Seller or its respective Subsidiaries, there is no basis
for any action or claim nor any facts which would reasonably be anticipated to
give rise to such action or claim. To the knowledge of either Seller or its
respective Subsidiaries, there does not exist any event that, with the giving of
notice or the lapse of time or both, would constitute such a default. Neither
Seller nor any of its respective Subsidiaries is a co-insurer under any such
policies of insurance except to the extent of the amount of the deductible,
self-retention or similar amounts applicable to such policies.
 
     (u) Allowable Production Quotas. To the knowledge of either Seller, no
production from any of the Sellers Evaluated Properties prior to the date hereof
was in excess of allowable production quotas allowed or permitted by any
governmental body having jurisdiction thereover so as to subject any production
from such Sellers Evaluated Property on or after the date hereof to restrictions
or penalties except as will not have a Material Adverse Effect.
 
     (v) Gas Payments; Balancing. (i) There are no material claims asserted or
material disputes evidenced in writing under any contract to which either Seller
or any Subsidiary thereof is a party regarding payments for natural gas not
taken pursuant to any "take or pay" or similar arrangement; (ii) the Sellers and
their respective Subsidiaries have not received any material quantity of natural
gas or liquids to be paid for thereafter other than in the normal cycle of
billing or received prepayments, advance payments or loans which will require a
Seller or any of its respective Subsidiaries to perform services or deliver
hydrocarbons under such contracts on or after the Closing Date without being
currently paid therefor; (iii) no sales contract obligates either Seller or any
Subsidiary thereof to deliver specific minimum volumes of gas; (iv) no contract
obligates either Seller or any Subsidiary thereof to sell gas at prices
substantially lower than the prevailing
 
                                      
<PAGE>   25
 
market prices or to purchase gas at prices substantially higher than prevailing
market prices; (v) the Sellers and their respective Subsidiaries have made or
will, prior to the Closing Date, make all payments due to producers or others
for all gas and liquids delivered into any of their respective plants for which
payment for same is due prior to the Closing Date, including, without
limitation, all payments due for the purchase of gas and liquids under any
contract; (vi) to the knowledge of either Seller or any of its respective
Subsidiaries, all gas delivered into any of the plants has been purchased, and
all residue gas from the plants has been sold, in compliance with the Natural
Gas Policy Act of 1978, all orders, rules and regulations of the Federal Energy
Regulatory Commission and all other applicable laws, orders, rules and
regulations; (vii) to the knowledge of either Seller or any of its respective
Subsidiaries, there exists no material claim or dispute with respect to the
purchase, or the failure to purchase, or pay for whether or not purchased, gas
under any gas purchase contracts to which either Seller or any Subsidiary
thereof is a party or the applicable price to be paid for gas delivered, or
residue gas or liquids or products sold from the plants; and (viii) none of the
Sellers Evaluated Properties or the Sellers Assets is subject to requirements to
make Btu adjustments or affect gas or liquids balancing in favor of third
parties which would result in either Seller or any Subsidiary thereof being
required to deliver material volumes of gas or liquids after the Closing Date or
otherwise to compensate a third party for gas or liquids receipts into, or
deliveries from, the plants which occurred prior to the Closing Date. The
Sellers Disclosure Schedule sets forth an estimate of the amount of any net
imbalances and is within ten percent (10%) of the actual amount.
 
     (w) No Prepayments Made or Refunds Owed. Sellers and their respective
Subsidiaries have not received any prepayment, advance payment, deposits or
similar payments, and have no refund obligation, other than obligations in the
aggregate of less than $250,000 incurred in the Ordinary Course of Business,
with respect to any gas or products purchased, sold, gathered, processed or
marketed through their plants. The Sellers and their respective Subsidiaries
have not received any compensation for gathering or processing services relating
to the plants which would be subject to any refund or create any repayment
obligation, other than obligations of less than $250,000 incurred in the
Ordinary Course of Business, either by or to the Sellers and their respective
Subsidiaries, and the Sellers and their respective Subsidiaries are not aware of
any basis for a claim that a refund is due.
 
     (x) Drilling Obligations. The Sellers and their respective Subsidiaries do
not have any material drilling obligations or other development commitments that
are not terminable at will by the Seller or the Subsidiary party thereto without
penalty, other than commitments and obligations that arose in the Ordinary
Course of Business where the sole consequence to the Seller or the Subsidiary
party thereto for a failure to participate is to suffer a "non-consent" penalty
or forfeit an interest in the undeveloped lands subject to the commitment or
obligation.
 
     (y) Development Operations. To the knowledge of either Seller or its
respective Subsidiaries, there are in existence no facts or circumstances that
should reasonably cause a Seller or a Subsidiary to conclude that any
development operations on the Sellers Evaluated Properties that are contemplated
by the Sellers Reserve Report will not be permitted under applicable laws and
governmental rules and regulations or that any third party may have a reasonable
basis to cause any court or governmental agency with jurisdiction over such
operations to cause the suspension or termination of such operations.
 
     (z) Regulatory Authority. As of the date hereof, neither Seller nor any of
its respective Subsidiaries is subject to regulation as (a) a "holding company,"
an "affiliate" of a "holding company" or a "subsidiary company" of a "holding
company" or a "public utility," as each of such terms is defined in the Public
Utility Holding Company Act of 1935, as amended, and the rules and regulations
thereunder; (b) a gas utility or utility under applicable state law; and (c) an
"investment company," or a company "controlled" by an "investment company,"
within the meaning of the Investment Company Act of 1940, as amended.
 
     (aa) Full Disclosure. To the knowledge of either Seller, the
representations, warranties or other statements by the Sellers in this Agreement
or in the Sellers Disclosure Schedule or Exhibits hereto or any documents
distributed generally to the Edisto Stockholders or the Convest Stockholders,
taken as a whole, do not contain any untrue statement of a material fact or omit
to state a material fact necessary to make the statements contained therein not
misleading. There is, to the knowledge of either Seller, no fact pertaining
 
                                      
<PAGE>   26
 
particularly to Sellers Evaluated Properties or the Sellers Assets (as opposed
to public information concerning general industry or economic conditions or
governmental policies) which has a Material Adverse Effect on or in the future
would be reasonably expected to have a Material Adverse Effect on the Sellers
Evaluated Properties or the Sellers Assets or the ownership, operation or
maintenance of any of the Sellers Evaluated Properties or the Sellers Assets
that has not been disclosed to the Purchaser.
 
     (bb) Certain Agreements. There are no contracts, agreements, arrangements
or understandings to which either Seller or any of their Subsidiaries is a party
which create, govern or purport to govern the right of another party (other than
Purchasers) to acquire either Seller or any of their Subsidiaries.
 
     (cc) Shareholders Agreement. Set forth on the Form 10-K/A of each Seller,
as filed with the SEC on April 30, 1997, is a list of the officers, directors
and owners of 5% or more of the capital stock of the respective Sellers. Edisto
has obtained from The TCW Group, Inc. and its affiliates and delivered to Parent
(i) a written agreement (a "Shareholders Agreement") to the effect that such
person will vote shares of Edisto Common Stock and Convest Common Stock
beneficially owned by such person in favor of the Mergers, and (ii) an Affiliate
Agreement.
 
     (dd) Brokers and Finders. Except for the fees and expenses payable to
Petrie Parkman and Rauscher Pierce, which fees are reflected in their agreements
with Sellers (a copy of which has been delivered to the Parent), Sellers have
not entered into any contract, arrangement or understanding with any person or
firm which may result in the obligation of either Seller to pay any finder's
fees, brokerage or agent commissions or other like payments in connection with
the transactions contemplated hereby. Except for the fees and expenses paid or
payable to Petrie Parkman and to Rauscher Pierce, there is no claim for payment
by either Seller of any investment banking fees, finder's fees, brokerage or
agent commissions or other like payments in connection with the negotiations
leading to this Agreement or the consummation of the transactions contemplated
hereby.
 
     (ee) Opinion of Financial Advisor. The financial advisor of Edisto,
Rauscher Pierce, has rendered a written opinion to the Board of Directors of
Edisto to the effect that the Merger 1 Consideration is fair from a financial
point of view to the Edisto Stockholders. The financial advisor of Convest,
Petrie Parkman, has rendered a written opinion to the Board of Directors of
Convest to the effect that the Merger 2 Consideration is fair from a financial
point of view to the Convest Stockholders.
 
     (ff) Edisto Cash Balance. As of the date of this Agreement and as of the
Closing Date, Edisto will have at least $68.0 million in cash on hand (the
"Edisto Cash Balance"); provided, however, that (i) the Edisto Cash Balance may
be reduced by an amount not to exceed an aggregate of $1,500,000 in order to
effect the redemption or cancellation of any Edisto Option prior to Merger 1 in
accordance with the terms of Section 4(c)(i), and (ii) Edisto and Convest may
collectively expend an amount not to exceed an aggregate of $2,300,000 in order
to effect the severance payments set forth in Section 5(n)(iii) of the Sellers
Disclosure Schedule. The Edisto Cash Balance is not, and at the Closing Date
will not be, subject to any pledge, encumbrance, lien or other limitation
prohibiting its free use or distribution by Edisto or its successors.
 
     (gg) Affiliate Transactions. To Sellers knowledge there are no transactions
between (i) the Sellers or any of their Subsidiaries and (ii) any of their
Affiliates, which are required to be disclosed in the Sellers SEC Reports which
are not disclosed.
 
     (hh) WARN. Sellers Disclosure Schedule sets forth the total number of
employees of the Sellers and their Subsidiaries and independent contractors as
determined in accordance with WARN or any similar applicable law. The
obligations of Sellers and their Subsidiaries under this Agreement, including,
without limitation, Section 8(d), will not give rise to any notice requirement
or payment obligation or liability under WARN on the part of Sellers or
Purchasers or their respective Subsidiaries.
 
     (ii) Cumulative Representations. To the extent the representations and
warranties of Sellers set forth herein are modified by the terms Material
Adverse Change or Material Adverse Effect or similar terms, the effect of the
occurrence of all such effects or changes would not in the aggregate cause a
Material Adverse Change or Material Adverse Effect on Sellers and their
respective Subsidiaries taken as a whole.
 
                                      
<PAGE>   27
 
SECTION 6. REPRESENTATIONS AND WARRANTIES OF PURCHASERS.
 
     Except for those matters included in the Purchasers Disclosure Schedule,
which inclusion will not be deemed an admission by Purchasers that any such
matter is material or has or would have a Material Adverse Effect or represents
a Material Adverse Change, each Purchaser represents and warrants to the Sellers
as follows:
 
     (a) Organization, Qualification, and Corporate Power. Each of the
Purchasers is a corporation duly organized, validly existing and in good
standing under the laws of the jurisdiction of its incorporation. Each of the
Purchasers is duly authorized to conduct business and is in good standing under
the laws of each jurisdiction where such qualification is required, except for
failures that would not have a Material Adverse Effect, and has not received
notice of an audit from any state taxation authority.
 
     (b) Capitalization. The entire authorized capital stock of Parent consisted
of 50,000,000 shares of Parent Common Stock and 5,000,000 shares of preferred
stock, of which 22,673,749 shares of Parent Common Stock and no shares of
preferred stock were issued and outstanding as of May 31, 1997. The shares of
Parent Common Stock to be issued pursuant to this Agreement will, when issued,
be duly authorized, validly issued, fully paid and nonassessable.
 
     (c) Authorization of Transaction. Each Purchaser has corporate power and
authority to execute and deliver this Agreement and to consummate the
transactions contemplated hereby. No other corporate proceedings on the part of
the Purchasers are necessary to authorize this Agreement or to consummate the
transactions so contemplated. The Parent, as sole shareholder of Edisto, will
take the necessary action to effect the Dissolution immediately following the
Merger 1 Effective Time. This Agreement has been duly executed and delivered on
behalf of each Purchaser and constitutes the valid and legally binding
obligation of each Purchaser, enforceable against each Purchaser in accordance
with its terms and conditions, except that (i) such enforcement may be subject
to bankruptcy, insolvency, reorganization, moratorium or other similar laws now
or hereafter in effect relating to creditors' rights and (ii) the remedy of
specific performance and injunctive and other forms of equitable relief may be
subject to equitable defenses and to the discretion of the court before which
any proceeding therefor may be brought.
 
     (d) Non-Contravention. Except as disclosed in the Purchasers Disclosure
Schedule, the execution and delivery of this Agreement by each Purchaser do not
violate, conflict with or result in a breach of any provision of, or constitute
a default (or an event which, with notice or lapse of time or both, would
constitute a default) under, or result in the termination of, or accelerate the
performance required by, or result in a right of termination or acceleration
under, or result in the creation of any lien, security interest, charge,
encumbrance or preferential right to purchase upon any of the properties or
assets of either Purchaser under any of the terms, conditions or provisions of
(i) the respective charters or by-laws of either Purchaser, (ii) any statute,
law, ordinance, rule, regulation, judgment, decree, order, injunction, writ,
permit or license of any court or governmental authority applicable to either
Purchaser or any of their respective properties or assets or (iii) any note,
bond, mortgage, indenture, deed of trust, license, franchise, permit,
concession, contract, lease or other instrument, obligation or agreement of any
kind to which either Purchaser is now a party or by which either Purchaser or
any of their respective properties or assets may be bound or affected. Except as
disclosed in the Purchasers Disclosure Schedule, the consummation by the
Purchasers of the transactions contemplated hereby will not result in any
violation, conflict, breach, termination, acceleration or creation of liens or
preferential right to purchase under any of the terms, conditions or provisions
described in clauses (i) through (iii) of the preceding sentence. Excluded from
the foregoing sentences of this paragraph (d), insofar as they apply to the
terms, conditions or provisions described in clauses (ii) and (iii) of the first
sentence of this paragraph (d), are such violations, conflicts, breaches,
defaults, terminations, accelerations or creations of liens, security interests,
charges or encumbrances that would not, in the aggregate, have a Material
Adverse Effect.
 
     (e) Approvals. Except for (i) the filing of the Joint Proxy
Statements/Prospectus with the SEC pursuant to the Exchange Act and the
Securities Act, and the declaration of the effectiveness thereof by the SEC and
filings with various state blue sky authorities, and (ii) the making of the
Merger Filings with the Secretaries of State of the States of Delaware and Texas
in connection with the Mergers (the filings and
 
                                     
<PAGE>   28
 
approvals referred to in clauses (i) and (ii) are collectively referred to as
the "Purchasers Required Statutory Approvals"), no declaration, filing or
registration with, or notice to, or authorization, consent or approval of, any
governmental or regulatory body or authority is necessary for the execution and
delivery of this Agreement by either Purchaser or the consummation by either
Purchaser of the transactions contemplated hereby, including pursuant to the HSR
Act, other than such declarations, filings, registrations, notices,
authorizations, consents or approvals which, if not made or obtained, as the
case may be, would not, in the aggregate, have a Material Adverse Effect.
 
     (f) Reports and Financial Statements. Since August 2, 1995, Parent has
filed with the SEC all forms, statements, reports and documents (including all
exhibits, post-effective amendments and supplements thereto) required to be
filed by it under each of the Securities Act, the Exchange Act and the
respective rules and regulations thereunder (collectively the "Parent SEC
Reports"), all of which, as amended if applicable, complied when filed in all
material respects with all applicable requirements of the appropriate act and
the rules and regulations thereunder. As of their respective dates, the Parent
SEC Reports did not contain any untrue statement of a material fact or omit to
state a material fact required to be stated therein or necessary to make the
statements therein, in the light of the circumstances under which they were
made, not misleading. The audited consolidated financial statements and
unaudited interim consolidated financial statements of Parent included in such
reports (collectively, the "Parent Financial Statements") have been prepared in
accordance with GAAP applied on a consistent basis (except as may be indicated
therein or in the notes thereto) and fairly present the financial position of
each Seller and their respective Subsidiaries as of the dates thereof and the
results of their operations and changes in financial position for the periods
then ended, subject, in the case of the unaudited interim financial statements,
to normal year-end and audit adjustments and any other adjustments described
therein.
 
     (g) Absence of Undisclosed Liabilities. Except as disclosed in the Parent
SEC Reports or the Purchasers Disclosure Schedule, neither Purchaser had at
December 31, 1996, or has incurred since that date, any liabilities or
obligations (whether absolute, accrued, contingent or otherwise) of any nature,
except liabilities, obligations or contingencies which (i) are accrued or
reserved against in the Purchasers Financial Statements or reflected in the
notes thereto, (ii) would not, in the aggregate, have a Material Adverse Effect,
(iii) have been discharged or paid in full prior to the date hereof, or (iv) are
of a nature not required to be reflected in the consolidated financial
statements of Parent prepared in accordance with GAAP consistently applied and
which were incurred in the Ordinary Course of Business.
 
     (h) Absence of Certain Changes or Events. Since the date of the most recent
Parent SEC Report that contains consolidated financial statements, there has not
been any Material Adverse Change.
 
     (i) Litigation. Except as disclosed in the Parent SEC Reports or in the
Purchasers Disclosure Schedule, there are no claims, suits, actions or
proceedings pending or, to the knowledge of either Purchaser, threatened
against, relating to or affecting either Purchaser, before any court,
governmental department, commission, agency, instrumentality or authority, or
any arbitrator that seek to restrain or enjoin the consummation of any of the
Mergers or which if decided adversely to such Purchaser could, either alone or
in the aggregate with all such claims, actions or proceedings, have a Material
Adverse Effect. Except as set forth in the Parent SEC Reports, neither Purchaser
is subject to any judgment, decree, injunction, rule or order of any court,
governmental department, commission, agency, instrumentality or authority or any
arbitrator which prohibits or restricts the consummation of the transactions
contemplated hereby or which if decided adversely to such Purchaser could,
either individually or in the aggregate, have a Material Adverse Effect.
 
     (j) Registration Statement and Proxy Statements. None of the information to
be supplied by either Purchaser for inclusion in (a) the Registration Statement
or (b) the Proxy Statements will, in the case of the Proxy Statements or any
amendments thereof or supplements thereto, at the time of the mailing of the
Proxy Statements and any amendments or supplements thereto, and at the time of
any action by the stockholders of the respective Sellers in connection with the
transactions contemplated by this Agreement, or, in the case of the Registration
Statement, as amended or supplemented, at the time it becomes effective and at
the time of such action by the stockholders of the respective Sellers, contain
any untrue statement of a material fact or omit to state any material fact
required to be stated therein or necessary in order to make the statements
 
                                      
<PAGE>   29
 
therein, in the light of the circumstances under which they are made, not
misleading. The Joint Proxy Statements/Prospectus will, as of its mailing date,
comply as to form in all material respects with all applicable laws, including
the provisions of the Securities Act and the Exchange Act and the rules and
regulations promulgated thereunder, except that no representation is made by
either Purchaser with respect to information supplied by any Seller or the
stockholders of any Seller for inclusion therein.
 
     (k) No Violation of Law. Except as disclosed in the Parent SEC Reports or
in the Purchasers Disclosure Schedule, neither Purchaser is in violation of, or
has been given notice or been charged with any violation of, any law, statute,
order, rule, regulation, ordinance, or judgment (including, without limitation,
any applicable environmental law, ordinance or regulation) of any governmental
or regulatory body or authority, except for violations which, in the aggregate,
could not have a Material Adverse Effect. Except as disclosed in the Parent SEC
Reports or in the Purchasers Disclosure Schedule, as of the date of this
Agreement, to the knowledge of either Purchaser, no investigation or review by
any governmental or regulatory body or authority is pending or threatened, nor
has any governmental or regulatory body or authority indicated an intention to
conduct the same, other than, in each case, those the outcome of which, either
individually or in the aggregate, will not have a Material Adverse Effect. Each
Purchaser has all permits, licenses, franchises, variances, exemptions, orders
and other governmental authorizations, consents and approvals necessary to
conduct its businesses as presently conducted (collectively, the "Purchasers
Permits"), except for permits, licenses, franchises, variances, exemptions,
orders, authorizations, consents and approvals the absence of which, alone or in
the aggregate, would not have a Material Adverse Effect. Each Purchaser is not
in violation of the terms of any Purchasers Permit, except for delays in filing
reports or violations which, alone or in the aggregate, would not have a
Material Adverse Effect.
 
     (l) Compliance with Agreements. Except as disclosed in the Parent SEC
Reports, neither Purchaser is in breach or violation of or in default in the
performance or observance of any term or provision of, and no event has occurred
which, with lapse of time or action by a third party, could result in a default
under (i) the respective charter, by-laws or other similar organizational
instruments of either Purchaser or (ii) any contract, commitment, agreement,
indenture, mortgage, loan agreement, note, lease, bond, license, approval or
other instrument to which either Purchaser is a party or by which any of them is
bound or to which any of their property is subject, other than, in the case of
clause (ii) of this paragraph (l), breaches, violations and defaults which would
not have, either individually or in the aggregate, a Material Adverse Effect.
 
     (m) Taxes. Each Purchaser has (A) duly filed with the appropriate
governmental authorities all Tax Returns required to be filed by them for all
periods ending on or prior to the Merger 1 Effective Time, other than those Tax
Returns the failure of which to file would not, either individually or in the
aggregate, have a Material Adverse Effect, and such Tax Returns are true,
correct and complete in all material respects and (B) duly paid in full or made
adequate provision for the payment of all Taxes for all past and current
periods, except for those Taxes, the failure to have paid would not, either
individually or in the aggregate, have a Material Adverse Effect. The
liabilities and reserves for Taxes reflected in Parent's balance sheet included
in the latest Parent SEC Reports are adequate to cover all Taxes for all periods
ending at or prior to the date of such balance sheet and there is no liability
for Taxes for any period beginning after such date other than Taxes arising in
the Ordinary Course of Business. There are no material liens for Taxes upon any
property or assets of either Purchaser, except for liens for Taxes not yet due.
Except as set forth on the Purchasers Disclosure Schedule, neither Purchaser nor
its respective Subsidiaries has received notice of an audit from any taxation
authority which could reasonably be expected to have a Material Adverse Change.
There are no unresolved issues of law or fact arising out of a notice of
deficiency, proposed deficiency or assessment from the IRS or any other
governmental taxing authority with respect to Taxes of either Purchaser which,
if decided adversely, singly or in the aggregate, would have a Material Adverse
Effect. Neither Purchaser has waived any statute of limitations in respect of
Taxes or agreed to any extension of time with respect to a Tax assessment or
deficiency other than waivers and extensions which are no longer in effect.
Neither Purchaser is a party to any agreement providing for the allocation or
sharing of Taxes with any entity that is not, directly or indirectly, a wholly
owned corporate Subsidiary of such Purchaser other than agreements the
consequences of which are fully and adequately reserved for in the Parent
Financial Statements. Neither Purchaser has, with regard to
 
<PAGE>   30
 
any assets or property held, acquired or to be acquired by any of them, filed a
consent to the application of Section 341(f) of the Code.
 
     (n) Employee Benefit Plans; ERISA.
 
          (i) Except as disclosed in the Parent SEC Reports or Purchasers
     Disclosure Schedule, at the date hereof, Purchasers do not maintain or
     contribute to or have any obligation or liability to or with respect to any
     material employee benefit plans, including employee benefit plans within
     the meaning set forth in Section 3(3) of ERISA, programs, arrangements,
     practices or other similar material arrangements for the provision of
     benefits (such plans, programs, arrangements or practices of Purchasers
     being referred to as the "Purchasers Plans"), but excluding any
     "Multiemployer Plan" within the meaning of Section 3(37) of ERISA or a
     "Multiple Employer Plan" within the meaning of Section 413(c) of the Code.
     The Purchasers Disclosure Schedule lists all Multiemployer Plans to which
     any of them makes contributions or has any obligation or liability to make
     contributions. Neither Purchaser maintains or has any liability with
     respect to any Multiple Employer Plan, which, individually or in the
     aggregate, could have a Material Adverse Effect. Neither Purchaser has any
     obligation to create or contribute to any additional such plan, program,
     arrangement or practice or to amend any such plan, program, arrangement or
     practice so as to increase benefits or contributions thereunder, except as
     required under the terms of the Purchasers Plans, under existing collective
     bargaining agreements or to comply with applicable law.
 
          (ii) Except as disclosed in the Parent SEC Reports or Purchasers
     Disclosure Schedule, (A) there have been no prohibited transactions within
     the meaning of Section 406 or 407 of ERISA or Section 4975 of the Code with
     respect to any of the Purchasers Plans that could result in penalties,
     taxes or liabilities which, singly or in the aggregate, could have a
     Material Adverse Effect, (B) except for premiums due, there is no
     outstanding material liability, whether measured alone or in the aggregate,
     under Title IV of ERISA with respect to any of the Purchasers Plans, (C)
     neither the Pension Benefit Guaranty Corporation nor any plan administrator
     has instituted proceedings to terminate any of the Purchasers Plans subject
     to Title IV of ERISA other than in a "standard termination" described in
     Section 4041(b) of ERISA, (D) none of the Purchasers Plans has incurred any
     "accumulated funding deficiency" (as defined in Section 302 of ERISA and
     Section 412 of the Code), whether or not waived, as of the last day of the
     most recent fiscal year of each of the Purchasers Plans ended prior to the
     date of this Agreement, (E) the current present value of all projected
     benefit obligations under each of the Purchasers Plans which is subject to
     Title IV of ERISA did not, as of its latest valuation date, exceed the then
     current value of the assets of such plan allocable to such benefit
     liabilities by more than the amount, if any, disclosed in the Parent SEC
     Reports as of March 31, 1997, based upon reasonable actuarial assumptions
     currently utilized for such Purchasers Plan, (F) each of the Purchasers
     Plans has been operated and administered in all material respects in
     accordance with applicable laws during the period of time covered by the
     applicable statute of limitations, (G) each of the Purchasers Plans which
     is intended to be "qualified" within the meaning of Section 401(a) of the
     Code has been determined by the IRS to be so qualified and such
     determination has not been modified, revoked or limited by failure to
     satisfy any condition thereof or by a subsequent amendment thereto or a
     failure to amend, except that it may be necessary to make additional
     amendments retroactively to maintain the "qualified" status of such
     Purchasers Plans, and the period for making any such necessary retroactive
     amendments has not expired, (H) with respect to Multi-employer Plans,
     neither Purchaser has made or suffered a "complete withdrawal" or a
     "partial withdrawal," as such terms are respectively defined in Sections
     4203, 4204 and 4205 of ERISA and, to the best knowledge of each Purchaser,
     no event has occurred or is expected to occur which presents a material
     risk of a complete or partial withdrawal under said Sections 4203, 4204 and
     4205, (I) to the best knowledge of each Purchaser, there are no material
     pending, threatened or anticipated claims involving any of the Purchasers
     Plans other than claims for benefits in the ordinary course, (J) each
     Seller and its Subsidiaries have no current material liability under Title
     IV of ERISA, and Purchasers do not reasonably anticipate that any such
     liability will be asserted against either Purchaser, and (K) no act,
     omission or transaction (individually or in the aggregate) has occurred
     with respect to any Purchasers Plan that has resulted or could result in
     any material liability (direct or indirect) of either Purchaser under
     Sections 409 or 502(c)(i) or (l) of ERISA or Chapter 43 of Subtitle
 
<PAGE>   31
 
     (A) of the Code. None of the Purchasers Plans has an "accumulated funding
     deficiency" (as defined in Section 302 of ERISA and Section 412 of the
     Code) or is required to provide security to a Purchasers Plan pursuant to
     Section 401(a)(29) of the Code. Each Purchasers Plan can be unilaterally
     terminated by a Purchaser at any time without material liability, other
     than for amounts previously reflected in the financial statements (or notes
     thereto) included in the Parent SEC Reports.
 
          (iii) The Parent SEC Reports or the Purchasers Disclosure Schedule
     contain a true and complete summary or list of or otherwise describe all
     employment contracts and other employee benefit arrangements with "change
     of control" or similar provisions and all severance agreements with
     directors, executive officers or employees.
 
     (o) Labor Controversies. Except as disclosed in the Parent SEC Reports or
the Purchasers Disclosure Schedule, (i) there are no significant controversies
pending or, to the knowledge of either Purchaser, threatened between either
Purchaser and any representatives of any of their employees and (ii) to the
knowledge of either Purchaser, there are no material organizational efforts
presently being made involving any of the presently unorganized employees of
either Purchaser except for such controversies and organizational efforts which,
singly or in the aggregate, could not reasonably be expected to have a Material
Adverse Effect.
 
     (p) Environmental Matters. Except as disclosed in the Parent SEC Reports or
in the Purchasers Disclosure Schedule, (A) each Purchaser has conducted its
respective businesses in compliance with all applicable Environmental Laws,
including, without limitation, having all permits, licenses and other approvals
and authorizations necessary for the operation of their respective businesses as
presently conducted, (B) none of the properties owned by Purchasers contain any
Hazardous Substance as a result of any activity of either Purchaser in amounts
exceeding the levels permitted by applicable Environmental Laws, (C) neither
Purchaser has received any notices, demand letters or requests for information
from any Federal, state, local or foreign governmental entity or third party
indicating that either Purchaser may be in violation of, or liable under, any
Environmental Law in connection with the ownership or operation of their
businesses, (D) there are no civil, criminal or administrative actions, suits,
demands, claims, hearings, investigations or proceedings pending or threatened,
against either Purchaser relating to any violation, or alleged violation, of any
Environmental Law, (E) no reports have been filed, or are required to be filed,
by either Purchaser concerning the release of any Hazardous Substance or the
threatened or actual violation of any Environmental Law, (F) no Hazardous
Substance has been disposed of, released or transported in violation of any
applicable Environmental Law from any properties owned by either Purchaser as a
result of any activity of either Purchaser during the time such properties were
owned, leased or operated by either Purchaser, (G) there have been no
environmental investigations, studies, audits, tests, reviews by or which are in
the possession of either Purchaser relating to the activities of a Purchaser
which have not been delivered to Sellers prior to the date hereof, (H) there are
no underground storage tanks on, in or under any properties owned by either
Purchaser and no underground storage tanks have been closed or removed from any
of such properties during the time such properties were owned, leased or
operated by either Purchaser, (I) there is no asbestos or asbestos containing
material present in any of the properties owned by either Purchaser, and no
asbestos has been removed from any of such properties during the time such
properties were owned, leased or operated by Purchasers, and (J) neither
Purchaser nor any of their respective properties are subject to any liabilities
or expenditures (fixed or contingent) relating to any suit, settlement, court
order, administrative order, regulatory requirement, judgment or claim asserted
or arising under any Environmental Law, except for violations of the foregoing
clauses (A) through (J) that, singly or in the aggregate, would not reasonably
be expected to have a Material Adverse Effect.
 
     (q) Reserve Report and Exploration Project Information.
 
          (i) The Purchasers have made available to the Sellers certain reports
     dated March 3, 1997, prepared by the independent petroleum engineering firm
     of Netherland, Sewell & Associates, Inc., with respect to onshore
     properties, and dated February 7, 1997, prepared by the independent
     petroleum engineering firm of Collarini Engineering Inc., with respect to
     offshore properties (collectively, the "Purchasers Petroleum Engineers")
     true and correct copies of which have been previously provided to the
     Sellers (together, the "Purchasers Reserve Reports"). The Purchasers
     Reserve Reports are the latest
 
<PAGE>   32
 
     reserve reports available to the Purchasers relating to their and their
     Subsidiaries reserves of oil and gas. The oil and gas properties evaluated
     in the Purchasers Reserve Reports are referred to herein as the "Purchasers
     Evaluated Properties." The Purchasers have provided no materially false or
     misleading information to and have not withheld any material information
     from the Purchasers Petroleum Engineers, with respect to the preparation of
     the Purchasers Reserve Reports.
 
          (ii) Except as set forth on the Purchasers Disclosure Schedule, the
     Purchasers are not aware of any facts or circumstances that should
     reasonably cause the Purchasers to conclude that any of the information
     that was supplied by the Purchasers to the Purchasers Petroleum Engineers,
     in connection with their preparation of the Purchasers Reserve Reports is
     not currently correct in all material respects (other than normal depletion
     by production in the ordinary course), and to the Purchasers' knowledge the
     information utilized in preparing the Reserve Reports is correct in all
     material respects.
 
          (iii) The Purchasers have made available to Sellers certain
     information (the "Purchasers Project Information") with respect to certain
     exploration projects in which the Purchasers are currently engaged (the
     "Purchasers Projects"), which information and Purchasers Projects are set
     forth on the Purchasers Disclosure Schedule. The Purchasers Project
     Information provided by the Purchasers does not contain any untrue
     statement of a material fact or omit to state a material fact necessary to
     make the statements contained therein not misleading.
 
     (r) Title.
 
          (i) The leasehold, royalty, mineral and similar interests owned by the
     Purchasers and their respective Subsidiaries entitle them to receive not
     less than the interest set forth in the Purchasers Reserve Reports as the
     Net Revenue Interest from all oil and gas and associated minerals produced,
     saved and marketed in respect of each Purchasers Evaluated Property listed
     in the Purchasers Reserve Reports, and obligate it to bear costs and
     expenses relating to the maintenance and development of, and the operations
     with respect to, each such Purchasers Evaluated Property in an amount not
     greater than the Working Interest set forth in the Purchasers Reserve
     Reports (unless there is a corresponding increase in the Net Revenue
     Interest), except for such deficiencies which, individually or in the
     aggregate, would not have a Material Adverse Effect. Except as noted in the
     Purchasers Reserve Reports, the Net Revenue Interest and the Working
     Interest with respect to each such Purchasers Evaluated Property are not
     subject to change or adjustment upon the occurrence of payout or any
     similar or other event.
 
          (ii) The Purchasers have, and on the Closing Date will have, good and
     valid title to all of their leasehold, royalty, mineral and similar
     interests in the Purchasers Evaluated Properties, other than the properties
     disposed of since the date hereof, free and clear of all encumbrances and
     title defects except for (A) the encumbrances and title defects
     specifically described in the Parent Financial Statements or Purchasers
     Disclosure Schedule, (B) statutory liens not yet delinquent, (C)
     imperfections of title, easements, liens (including operator's liens) and
     encumbrances, the character, amount or extent of which, individually or in
     the aggregate, would not have a Material Adverse Effect, (D) contracts and
     agreements for the sale of oil and gas entered into in the Ordinary Course
     of Business, (E) lessor's royalties, overriding royalties, and division
     orders, reversionary interests and similar burdens and all existing
     operating agreements and unit agreements, if the net cumulative effect of
     the same does not operate to reduce the Net Revenue Interests of the
     Purchasers Evaluated Properties to less than the Net Revenue Interests set
     forth in Purchasers Reserve Report or increase the Working Interests of the
     Purchasers Evaluated Properties to more than the Working Interests set
     forth in the Purchasers Reserve Report (unless there is a corresponding
     increase in the Net Revenue Interests); (F) any and all federal and state
     regulatory orders and rules to which the Purchasers Evaluated Properties
     are presently subject; (G) preferential rights to purchase and required
     third-party consents to assignments and similar agreements; (H) liens for
     Taxes not due or not delinquent at the time of Closing or the validity of
     which are being contested in good faith by appropriate actions; (I) all
     rights to consent by, required notices to, filings with, or other actions
     by governmental entities in connection with the sale or conveyance of oil,
     gas and mineral leases or interests therein if the same are customarily
     obtained after such sale or conveyance;
 
<PAGE>   33
 
     (J) easements, rights-of-way, servitudes, permits, surface leases and other
     rights in respect of surface operations, pipelines, grazing, logging,
     canals, ditches, reservoirs or the like; and easements for streets, alleys,
     highways, pipelines, telephone lines, power lines, railways and other
     easements and rights-of-way, on, over or in respect of any of the
     Purchasers Evaluated Properties; (K) liens of operators relating to
     obligations not yet due or not delinquent; and (L) title deficiencies
     commonly encountered in the oil and gas business which would not be
     considered material by a reasonable and prudent person engaged in the
     business of the ownership, development and operating of oil and gas
     properties with knowledge of all the facts and appreciation of their legal
     significance.
 
          (iii) Except where the failure would not have a Material Adverse
     Effect, (A) neither Purchaser is dependent with respect to the Purchasers
     Evaluated Properties on the right to use the properties of others, except
     under valid and enforceable leases, contracts, pooling or unitization
     agreements, rights or other arrangements, (B) the Purchasers own, or have
     the right to use under valid and enforceable leases, contracts, rights or
     other arrangements, all gas processing facilities necessary for the current
     operations of the Purchasers, (C) all buildings, machinery and equipment
     currently used in the operations related to the Purchasers Evaluated
     Properties are adequate for their normal operation consistent with industry
     practice, are in good working order and substantially conform with all
     applicable Environmental Laws and (D) to the knowledge of either Purchaser
     there is no pending or threatened condemnation or expropriation of any part
     of the Purchasers Evaluated Properties.
 
          (iv) Except where the failure would not have a Material Adverse
     Effect, the Purchasers Evaluated Properties are being developed, operated
     and maintained in compliance in all material respects with all leases,
     contracts and commitments to which either Purchaser is a party or by which
     either Purchaser or any of the Purchasers Evaluated Properties is bound.
 
          (v) The Purchasers have good and valid title to all the properties and
     assets of every kind, character and description (real, personal or mixed,
     tangible and intangible), including, without limitation, all parcels of
     real property, pipelines, rights-of-way and easements and other incidental
     rights and permits, but excluding the Purchasers Evaluated Properties,
     reflected in the Parent Financial Statements or which would have been
     reflected in the Parent Financial Statements if acquired prior to March 31,
     1997, (the "Purchasers Assets") free and clear of all encumbrances of any
     nature except for (A) the encumbrances and title defects specifically
     described in the Purchasers Disclosure Schedule; (B) mortgages and
     encumbrances which secure indebtedness or obligations which are properly
     reflected in the Parent Financial Statements; (C) liens for Taxes not yet
     payable or any Taxes being contested in good faith; (D) liens arising as a
     matter of law in the ordinary course of business, provided that the
     obligations secured by such liens are not delinquent or are being contested
     in good faith; (E) such imperfections of title and encumbrances which,
     individually or in the aggregate, would not have a Material Adverse Effect;
     (F) any and all federal and state regulatory orders and rules to which the
     Purchasers Assets are presently subject; (G) preferential rights to
     purchase and required third-party consents to assignments and similar
     agreements; (H) statutory liens not yet delinquent; (I) all rights to
     consent by, required notices to, filings with, or other actions by
     governmental entities in connection with the sale or conveyance of oil, gas
     and mineral leases or interests therein if the same are customarily
     obtained after such sale or conveyance; (J) easements, rights-of-way,
     servitude, permits, surface leases and other rights in respect of surface
     operations, pipelines, grazing, logging, canals, ditches, reservoirs or the
     like; and easements for streets, alleys, highways, pipelines, telephone
     lines, power lines, railways and other easements and rights-of-way, on,
     over or in respect of any of the Purchasers Assets; (K) liens of operators
     relating to obligations not yet due or not delinquent; and (L) title
     deficiencies commonly encountered in the oil and gas business which will
     not have a Material Adverse Effect. The Purchasers have valid leasehold
     interests in all leases reflected as capital leases in the Parent Financial
     Statements and, to the knowledge of the Purchasers, generally have the
     right to use all other property and assets as to which they do not have
     title but which are currently being used in the conduct of the Purchasers'
     business, except any rights of use the loss of which would not have a
     Material Adverse Effect.
 
     (s) Insurance. The Purchasers Disclosure Schedule lists all material
insurance policies covering the Purchasers Assets, the Purchasers Evaluated
Properties, employees and operations of the Purchasers as of the
 
<PAGE>   34
 
date hereof (other than insurance owned or held by operators for those
Purchasers Assets or Purchasers Evaluated Properties where a party other than a
Purchaser is the operator). Such policies are in full force and effect, there
are no defaults thereunder. Except for claims previously made, to the knowledge
of either Purchaser there is no basis for any action or claim nor any facts
which would reasonably be anticipated to give rise to such action or claim. To
the knowledge of either Purchaser, there does not exist any event that, with the
giving of notice or the lapse of time or both, would constitute such a default.
Neither Purchaser is a co-insurer under any such policies of insurance except to
the extent of the amount of the deductible, self-retention or similar amounts
applicable to such policies.
 
     (t) Allowable Production Quotas. To the knowledge of either Purchaser, no
production from any of the Purchasers Evaluated Properties prior to the date
hereof was in excess of allowable production quotas allowed or permitted by any
governmental body having jurisdiction thereover so as to subject any production
from such Purchasers Evaluated Property on or after the date hereof to
restrictions or penalties except as will not have a Material Adverse Effect.
 
     (u) Gas Payments; Balancing. (i) There are no material claims asserted or
material disputes evidenced in writing under any contract to which either
Purchaser is a party regarding payments for natural gas not taken pursuant to
any "take or pay" or similar arrangement; (ii) the Purchasers have not received
any material quantity of natural gas or liquids to be paid for thereafter other
than in the normal cycle of billing or received prepayments, advance payments or
loans which will require a Purchaser to perform services or deliver hydrocarbons
under such contracts on or after the Closing Date without being currently paid
therefor; (iii) no sales contract obligates either Purchaser to deliver specific
minimum volumes of gas; (iv) no contract obligates either Purchaser to sell gas
at prices substantially lower than the prevailing market prices or to purchase
gas at prices substantially higher than prevailing market prices; (v) the
Purchasers have made or will, prior to the Closing Date, make all payments due
to producers or others for all gas and liquids delivered into any of their
respective plants for which payment for same is due prior to the Closing Date,
including, without limitation, all payments due for the purchase of gas and
liquids under any contract; (vi) to the knowledge of either Purchaser, all gas
delivered into any of the plants has been purchased, and all residue gas from
the plants has been sold, in compliance with the Natural Gas Policy Act of 1978,
all orders, rules and regulations of the Federal Energy Regulatory Commission
and all other applicable laws, orders, rules and regulations; (vii) to the
knowledge of either Purchaser, there exists no material claim or dispute with
respect to the purchase, or the failure to purchase, or pay for whether or not
purchased, gas under any gas purchase contracts to which either Purchaser is a
party or the applicable price to be paid for gas delivered, or residue gas or
liquids or products sold from the plants; and (viii) none of the Purchasers
Evaluated Properties or the Purchaser Assets is subject to requirements to make
Btu adjustments or affect gas or liquids balancing in favor of third parties
which would result in either Purchaser being required to deliver material
volumes of gas or liquids after the Closing Date or otherwise to compensate a
third party for gas or liquids receipts into, or deliveries from, the plants
which occurred prior to the Closing Date. The Purchasers Disclosure Schedule
sets forth an estimate of the amount of any material net imbalances and is
within ten percent (10%) of the actual amount.
 
     (v) No Prepayments Made or Refunds Owed. Purchasers have not received any
prepayment, advance payment, deposits or similar payments, and have no refund
obligation, other than obligations in the aggregate of less than $500,000
incurred in the Ordinary Course of Business, with respect to any gas or products
purchased, sold, gathered, processed or marketed through their plants. The
Purchasers have not received any compensation for gathering or processing
services relating to the plants which would be subject to any refund or create
any repayment obligation, other than obligations of less than $500,000 incurred
in the Ordinary Course of Business, either by or to the Purchasers, and the
Purchasers are not aware of any basis for a claim that a refund is due.
 
     (w) Drilling Obligations. The Purchasers do not have any material drilling
obligations or other development commitments that are not terminable at will by
the Purchaser party thereto without penalty, other than commitments and
obligations that arose in the Ordinary Course of Business where the sole
consequence to the Purchaser party thereto for a failure to participate is to
suffer a "non-consent" penalty or forfeit an interest in the undeveloped lands
subject to the commitment or obligation.
 
<PAGE>   35
 
     (x) Development Operations. To the knowledge of either Purchaser, there are
in existence no facts or circumstances that should reasonably cause a Purchaser
to conclude that any development operations on the Purchasers Evaluated
Properties that are contemplated by the Purchasers Reserve Report will not be
permitted under applicable laws and governmental rules and regulations or that
any third party may have a reasonable basis to cause any court or governmental
agency with jurisdiction over such operations to cause the suspension or
termination of such operations.
 
     (y) Regulatory Authority. As of the date hereof, neither Purchaser is
subject to regulation as (a) a "holding company," an "affiliate" of a "holding
company" or a "subsidiary company" of a "holding company" or a "public utility,"
as each of such terms is defined in the Public Utility Holding Company Act of
1935, as amended, and the rules and regulations thereunder; (b) a gas utility or
utility under applicable state law; and (c) an "investment company," or a
company "controlled" by an "investment company," within the meaning of the
Investment Company Act of 1940, as amended.
 
     (z) Full Disclosure. To the knowledge of either Purchaser, the
representations, warranties or other statements by the Purchasers in this
Agreement or in the Purchasers Disclosure Schedule or Exhibits hereto or any
documents distributed generally to the Edisto Stockholders or the Convest
Stockholders, taken as a whole, do not contain any untrue statement of a
material fact or omit to state a material fact necessary to make the statements
contained therein not misleading. There is, to the knowledge of either
Purchaser, no fact pertaining particularly to Purchasers Evaluated Properties or
the Purchasers Assets (as opposed to public information concerning general
industry or economic conditions or governmental policies) which has a Material
Adverse Effect on or in the future would be reasonably expected to have a
Material Adverse Effect on the Purchasers Evaluated Properties or the Purchasers
Assets or the ownership, operation or maintenance of any of the Purchasers
Evaluated Properties or the Purchasers Assets that has not been disclosed to the
Sellers.
 
     (aa) Affiliate Transactions. To Purchasers knowledge there are no
transactions between (i) the Purchasers or any of their Subsidiaries and (ii)
any of their Affiliates which are required to be disclosed in the Parent SEC
Reports which are not disclosed.
 
     (bb) Cumulative Representations. To the extent the representations and
warranties of Purchasers set forth herein are modified by the terms Material
Adverse Change or Material Adverse Effect or similar terms, the effect of the
occurrence of all such effects or changes would not in the aggregate cause a
Material Adverse Change or Material Adverse Effect on the Purchasers and their
respective Subsidiaries taken as a whole.
 
SECTION 7. CONDUCT OF BUSINESS PENDING THE MERGERS.
 
     (a) Conduct of Business by the Sellers Pending the Mergers. Except as
otherwise contemplated by this Agreement or disclosed in the Sellers Disclosure
Schedule, after the date hereof and prior to the Closing Date or earlier
termination of this Agreement, unless Parent shall otherwise agree in writing,
each Seller shall, and shall cause its Subsidiaries to:
 
          (i) conduct their respective businesses in the Ordinary Course of
     Business;
 
          (ii) not (A) amend or propose to amend their respective charter or
     by-laws, (B) split, combine or reclassify their outstanding capital stock
     or (C) declare, set aside or pay any dividend or distribution payable in
     cash, stock, property or otherwise, except for the payment of dividends or
     distributions by a wholly owned Subsidiary;
 
          (iii) not issue, sell, pledge or dispose of, or agree to issue, sell,
     pledge or dispose of, any additional shares of, or any options, warrants or
     rights of any kind to acquire any shares of their capital stock of any
     class or any debt or equity securities convertible into or exchangeable for
     such capital stock, except that a Seller may issue shares upon conversion
     of convertible securities and exercise of options and warrants outstanding
     on the date hereof;
 
          (iv) not (A) incur or become contingently liable with respect to any
     indebtedness for borrowed money other than (x) borrowings in the Ordinary
     Course of Business or (y) borrowings to refinance
 
<PAGE>   36
 
     existing indebtedness on terms which are reasonably acceptable to Parent,
     (B) except as contemplated by Section 4(c) hereof, redeem, purchase,
     acquire or offer to purchase or acquire any shares of its capital stock or
     any options, warrants or rights to acquire any of its capital stock or any
     security convertible into or exchangeable for its capital stock, (C) take
     or fail to take any action which action or failure to take action would
     cause either Seller or its stockholders (except to the extent that any
     stockholders receive cash) to recognize gain or loss for federal income tax
     purposes as a result of the consummation of Merger 2 or would otherwise
     cause Merger 2 not to qualify as a reorganization under Section 368 of the
     Code, (D) make any acquisition of any assets or businesses other than
     expenditures for current assets in the ordinary course of business, (E)
     sell, pledge, dispose of or encumber any assets or businesses without the
     approval of Parent or (F) enter into any binding contract, agreement,
     commitment or arrangement with respect to any of the foregoing;
 
          (v) use all reasonable efforts to preserve intact their respective
     business organizations and goodwill, keep available the services of their
     respective present officers and key employees, and preserve the goodwill
     and business relationships with customers and others having business
     relationships with them and not engage in any action, directly or
     indirectly, with the intent to adversely impact the transactions
     contemplated by this Agreement;
 
          (vi) subject to restrictions imposed by applicable law, confer on a
     regular and frequent basis with one or more representatives of Parent to
     report operational matters of materiality and the general status of ongoing
     operations;
 
          (vii) not enter into or amend any employment, severance, special pay
     arrangement with respect to termination of employment or other similar
     arrangements or agreements with any directors, officers or employees;
 
          (viii) not adopt, enter into or amend any bonus, profit sharing,
     compensation, stock option, pension, retirement, deferred compensation,
     health care, employment or other employee benefit plan, agreement, trust,
     fund or arrangement for the benefit or welfare of any employee or retiree,
     except as required to comply with changes in applicable law;
 
          (ix) use commercially reasonable efforts to maintain with financially
     responsible insurance companies insurance on its tangible assets and its
     businesses in such amounts and against such risks and losses as are
     consistent with past practice;
 
          (x) not make, change or revoke any material Tax election or make any
     material agreement or settlement regarding Taxes with any taxing authority;
 
          (xi) not change any method of accounting or accounting practice,
     except for any such change required by GAAP; and
 
          (xii) not enter into any future, hedge, swap, collar, put, call,
     floor, cap, option or other contracts that are intended to benefit from or
     reduce or eliminate the risk of fluctuations in the price of commodities,
     including hydrocarbons, or securities, other than such as are entered into
     in the Ordinary Course of Business solely for the purpose of terminating an
     existing hedge.
 
     (b) Control of the Sellers' Operations. Nothing contained in this Agreement
shall give to Parent, directly or indirectly, rights to control or direct the
operations of Edisto or Convest or their respective Subsidiaries prior to the
Merger 1 Effective Time or the Merger 2 Effective Time, respectively. Prior to
such Effective Times, the Sellers shall exercise, consistent with the terms and
conditions of this Agreement, complete control and supervision of their
respective operations.
 
     (c) Acquisition Transactions.
 
          (i) After the date hereof and prior to the Merger 2 Effective Time or
     earlier termination of this Agreement, the Sellers shall not, and shall not
     permit any of their Subsidiaries to, initiate, solicit, negotiate,
     encourage or provide confidential information to facilitate, and the
     Sellers shall, and shall cause each of their Subsidiaries to, cause any
     officer, director or employee of, or any attorney, accountant,
 
<PAGE>   37
 
     investment banker, financial advisor or other agent retained by them, not
     to initiate, solicit, negotiate, encourage or provide non-public or
     confidential information to facilitate, any proposal or offer to acquire
     all or any substantial part of the business and properties of either Seller
     or any of their Subsidiaries or any capital stock of either Seller or any
     of their Subsidiaries, whether by merger, purchase of assets, tender offer
     or otherwise, whether for cash, securities or any other consideration or
     combination thereof (any such transactions being referred to herein as an
     "Acquisition Transaction").
 
          (ii) Notwithstanding the provisions of subsection (i) above, (A)
     either Seller may, in response to an unsolicited written proposal or
     unsolicited written indication of interest with respect to a potential or
     proposed Acquisition Transaction ("Acquisition Proposal"), furnish (subject
     to the execution of a confidentiality agreement and standstill agreement in
     substantially the form executed by Parent) confidential or non-public
     information to a financially capable corporation, partnership, person or
     other entity or group (a "Potential Acquirer") and negotiate with such
     Potential Acquirer if the Board of Directors of such Seller after
     consulting with its outside legal counsel, determines in good faith that
     the failure to provide such confidential or non-public information to or
     negotiate with such Potential Acquirer would constitute a breach of its
     fiduciary duty to its stockholders and (B) such Seller's Board of Directors
     may take and disclose to its stockholders a position contemplated by Rule
     14e-2 under the Exchange Act. It is understood and agreed that negotiations
     conducted in accordance with this subsection (ii) shall not constitute a
     violation of subsection (i) of this Section 7(c).
 
          (iii) The Sellers shall immediately notify Parent after receipt of any
     Acquisition Proposal or any request for nonpublic information relating to a
     Seller or its Subsidiaries in connection with an Acquisition Proposal or
     for access to the properties, books or records of a Seller or any
     Subsidiary by any person or entity that informs the Board of Directors of a
     Seller or such Subsidiary that it is considering making, or has made, an
     Acquisition Proposal. Such notice to Parent shall be made orally and in
     writing and shall indicate in reasonable detail the identity of the offeror
     and the terms and conditions of such proposal, inquiry or contact. Seller
     shall immediately provide Parent a copy of all information provided to a
     third party.
 
          (iv) Each Party (i) acknowledges that a breach of any of its covenants
     contained in this Section 7(c) will result in irreparable harm to the other
     Party which will not be compensable in money damages, and (ii) agrees that
     such covenant shall be specifically enforceable and that specific
     performance and injunctive relief shall be a remedy properly available to
     the other Party for a breach of such covenant. In any event, if a Seller
     enters into an Acquisition Transaction, it will immediately pay to Parent
     the sums described in Section 10(b) below.
 
     (d) Subsidiaries. Each Seller will, following direction from Parent,
dissolve all inactive Subsidiaries (other than MINT Holding Company) prior to
Merger 1. Prior to Merger 1, Sellers will cause the merger of Edisto Exploration
& Production Company ("Edisto E&P") into Convest.
 
SECTION 8. ADDITIONAL AGREEMENTS.
 
     (a) Access to Information.
 
          (i) The Sellers and their Subsidiaries shall afford to Purchasers and
     their respective accountants, counsel, financial advisors and other
     representatives (the "Parent Representatives") and Parent and its
     Subsidiaries shall afford to the Sellers and their accountants, counsel,
     financial advisors and other representatives (the "Seller Representatives")
     full access during normal business hours throughout the period prior to the
     Merger 1 Effective Time to all of their respective properties, books,
     contracts, commitments and records (including, but not limited to, Tax
     Returns) and, during such period, shall furnish promptly to one another (A)
     a copy of each report, schedule and other document filed or received by any
     of them pursuant to the requirements of federal or state securities laws or
     filed by any of them with the SEC in connection with the transactions
     contemplated by this Agreement and (B) such other information concerning
     their respective businesses, properties and personnel as a Purchaser or
     Seller, as the case may be, shall reasonably request; provided, however,
     that no investigation pursuant to this Section 8(a) shall amend or modify
     any representations or warranties made herein or the conditions to
 
<PAGE>   38
 
     the obligations of the respective parties to consummate the Mergers. Parent
     and its Subsidiaries shall hold and shall use their reasonable best efforts
     to cause the Parent Representatives to hold, and the Sellers and their
     Subsidiaries shall hold and shall use their reasonable best efforts to
     cause the Seller Representatives to hold, in strict confidence all
     non-public documents and information furnished to a Purchaser or Seller, as
     the case may be, in connection with the transactions contemplated by this
     Agreement, except that (x) a Purchaser or Seller may disclose such
     information as may be necessary in connection with seeking the Purchasers
     Required Statutory Approvals, the Sellers Required Statutory Approvals and
     the Requisite Stockholder Approvals and (y) a Purchaser or Seller may
     disclose any information that it is required by law or judicial or
     administrative order to disclose.
 
          (ii) In the event that this Agreement is terminated in accordance with
     its terms, each Party shall promptly redeliver to the other all non-public
     written material provided pursuant to this Section 8(a) and shall not
     retain any copies, extracts or other reproductions in whole or in part of
     such written material. In such event, all documents, memoranda, notes and
     other writings prepared by a Purchaser or Seller based on the information
     in such material shall be destroyed (and Parent and the Sellers shall use
     their respective reasonable best efforts to cause their advisors and
     representatives to similarly destroy their documents, memoranda and notes),
     and such destruction (and reasonable best efforts) shall be certified in
     writing by an authorized officer supervising such destruction.
 
          (iii) The Sellers shall promptly advise Parent and Parent shall
     promptly advise the Sellers in writing of any change or the occurrence of
     any event after the date of this Agreement having, or which, insofar as can
     reasonably be foreseen, in the future may have, either individually or in
     the aggregate, any Material Adverse Effect.
 
     (b) Registration Statement and Proxy Statements. Parent and the Sellers
shall file with the SEC as soon as is reasonably practicable after the date
hereof the Joint Proxy Statements/Prospectus and shall use all reasonable
efforts to have the Registration Statement declared effective by the SEC as
promptly as practicable. Parent shall also take any action reasonably required
to be taken under applicable state blue sky or securities laws in connection
with the issuance of Parent Common Stock pursuant hereto. Parent and the Sellers
shall promptly furnish to each other all information, and take such other
actions, as may reasonably be requested in connection with any action by any of
them in connection with the preceding sentence. The information provided and to
be provided by Parent and the Sellers, respectively, for use in the Joint Proxy
Statements/Prospectus shall not contain any untrue statement of a material fact
or omit to state a material fact required to be stated therein or necessary to
make the statements therein, in the light of the circumstances under which they
were made, not misleading.
 
     (c) Stockholders' Approvals. Each Seller shall, as promptly as practicable,
submit this Agreement and the transactions contemplated hereby for the approval
of its stockholders at a meeting of stockholders or by written consent and shall
use its best efforts to obtain the Requisite Stockholder Approvals and adoption
of this Agreement and the transactions contemplated hereby. Such meeting of
stockholders shall be held or written consent effected as soon as practicable
following the date upon which the Registration Statement becomes effective. The
Sellers shall, through their respective Boards of Directors, recommend to their
stockholders approval of the transactions contemplated by this Agreement. Each
Seller (i) acknowledges that a breach of its covenant contained in this Section
8(c) to convene a meeting of its stockholders and call for a vote thereat with
respect to the approval of this Agreement and the Mergers will result in
irreparable harm to Parent which will not be compensable in money damages and
(ii) agrees that such covenant shall be specifically enforceable and that
specific performance and injunctive relief shall be a remedy properly available
to Parent for a breach of such covenant.
 
     (d) Employee Matters.
 
          (i) Not less than five business days prior to the Closing Date each
     Seller and their Subsidiaries shall provide Parent a current list of their
     respective officers, directors and employees. Except as otherwise
     designated by Parent, at least five business days prior to the Closing,
     each Seller and their Subsidiaries shall obtain the resignation or shall
     terminate each of their respective officers, directors and employees
     effective not later than the Merger 2 Effective Time. At or immediately
     prior to Closing, the Sellers shall
 
<PAGE>   39
 
     pay any severance pay, stay bonuses or similar payments required to be paid
     pursuant to the terms of the agreements described on Section 5(n)(iii) of
     the Sellers Disclosure Schedule. Without limiting the foregoing, this
     provision will cause a termination of Michael Y. McGovern under the
     employment agreement between him and Edisto, a copy of which has been
     previously provided to the Purchasers.
 
          (ii) Parent agrees that, following the Merger 2 Effective Time, it
     will provide continuation coverage, as required by the Consolidated Omnibus
     Budget Reconciliation Act of 1985 ("COBRA"), to be given to any employee of
     Sellers or their respective Subsidiaries whose employment has been or will
     be terminated. The parties understand that COBRA may require that such
     continuation coverage be provided for a period of up to thirty-six months
     as provided in Section 4980B of the Code at the qualified beneficiary's
     expense.
 
          (iii) Prior to the Merger 1 Effective Time, Edisto and Convest shall
     have taken all steps, subject to Parent's approval, necessary or
     appropriate so that the Convest Savings and Investment Plan and Trust, the
     Edisto Savings and Investment Plan and Trust and any other Sellers Plan
     that is or is intended to be a "qualified" plan under Section 401(a) of the
     Code shall have been terminated.
 
     (e) Quotation. Parent shall use its reasonable best efforts to effect, at
or before the Merger 1 Effective Time, authorization for listing on the NYSE or
such other exchange on which Parent Common Stock is then primarily traded, upon
official notice of issuance, of the shares of Parent Common Stock to be issued
pursuant to the Mergers.
 
     (f) Agreement to Cooperate.
 
          (i) Subject to the terms and conditions herein provided and subject to
     the fiduciary duties of the respective boards of directors of the Parent
     and the Sellers, each of the Parties hereto shall use all reasonable
     efforts to take, or cause to be taken, all action and to do, or cause to be
     done, all things necessary, proper or advisable under applicable laws and
     regulations to consummate and make effective the transactions contemplated
     by this Agreement, including using its reasonable efforts to obtain all
     necessary or appropriate waivers, consents or approvals of third parties
     required in order to preserve material contractual relationships of the
     Sellers and their respective Subsidiaries, all necessary or appropriate
     waivers, consents and approvals and SEC "no-action" letters to effect all
     necessary registrations, filings and submissions and to lift any injunction
     or other legal bar to the Mergers (and, in such case, to proceed with the
     Mergers as expeditiously as possible).
 
          (ii) In the event any litigation is commenced by any person or entity
     relating to the transactions contemplated by this Agreement, including any
     Acquisition Transaction, Parent shall have the right, at its own expense,
     to participate therein, and the Sellers will not settle any such litigation
     without the consent of Parent, which consent will not be unreasonably
     withheld.
 
     (g) Public Statements. The Parties shall consult with each other prior to
issuing any press release or any written public statement with respect to this
Agreement or the transactions contemplated hereby and shall not issue any such
press release or written public statement prior to such consultation.
 
     (h) Notification of Certain Matters. Each of the Purchasers and the Sellers
agrees to give prompt notice to each other of, and to use their respective
reasonable best efforts to prevent or promptly remedy, (A) the occurrence or
failure to occur or the impending or threatened occurrence or failure to occur,
of any event which occurrence or failure to occur would be likely to cause any
of its representations or warranties in this Agreement to be untrue or
inaccurate in any material respect at any time from the date hereof to the
Merger 1 Effective Time and (B) any material failure on its part to comply with
or satisfy any covenant, condition or agreement to be complied with or satisfied
by it hereunder; provided, however, that the delivery of any notice pursuant to
this Paragraph 8(h) shall not limit or otherwise affect the remedies available
hereunder to the party receiving such notice.
 
     (i) Corrections to the Joint Proxy Statements/Prospectus and Registration
Statement. Prior to the date of approval of the Mergers by the Sellers'
respective stockholders, each of the Purchasers and Sellers shall correct
promptly any information provided by it to be used specifically in the Joint
Proxy Statements/
 
<PAGE>   40
 
Prospectus and Registration Statement that shall have become false or misleading
in any material respect and shall take all steps necessary to file with the SEC
and have declared effective or cleared by the SEC any amendment or supplement to
the Joint Proxy Statements/Prospectus or the Registration Statement so as to
correct the same and to cause the Joint Proxy Statements/Prospectus as so
corrected to be disseminated to the stockholders of the Sellers, in each case to
the extent required by applicable law.
 
     (j) Indemnification; Directors' and Officers' Insurance.
 
          (i) From and after the Merger 1 Effective Time, with respect to
     Edisto, and the Merger 2 Effective Time, with respect to Convest, Parent
     agrees that it will indemnify and hold harmless each present and former
     director and/or officer of a Seller, determined as of such effective time
     (the "Indemnified Parties"), that is made a party or threatened to be made
     a party to any threatened, pending or completed, action, suit, proceeding
     or claim, whether civil, criminal, administrative or investigative, by
     reason of the fact that he or she was a director or officer of a Seller or
     any subsidiary of a Seller prior to such effective time and arising out of
     actions or omissions of the Indemnified Party in any such capacity
     occurring at or prior to such effective time (a "Claim") against any costs
     or expenses (including reasonable attorneys' fees), judgments, fines,
     losses, claims, damages or liabilities reasonably incurred in connection
     with any Claim, whether asserted or claimed prior to, at or after such
     effective time, to the fullest extent that such Seller would have been
     permitted under Delaware law, the respective charters or by-laws of such
     Seller or written indemnification agreements in effect at the date hereof,
     including provisions therein relating to the advancement of expenses
     incurred in the defense of any action or suit.
 
          (ii) Any Indemnified Party wishing to claim indemnification under
     paragraph (i) of this Section 8(j) upon learning of any such Claim, shall
     promptly notify Parent thereof, but the failure to so notify shall not
     relieve Parent of any liability it may have to such Indemnified Party if
     such failure does not materially prejudice the indemnifying party. In the
     event of any such Claim (whether arising before or after the Merger 1
     Effective Time or the Merger 2 Effective Time, as the case may be), (A)
     Parent shall have the right to assume the defense thereof and Parent shall
     not be liable to such Indemnified Parties for any legal expenses of other
     counsel or any other expenses subsequently incurred by such Indemnified
     Parties in connection with the defense thereof, except that if Parent
     elects not to assume such defense, the Indemnified Parties may retain
     counsel reasonably satisfactory to Parent, and Parent shall pay reasonable
     fees and expenses of such counsel for the Indemnified Parties; provided,
     however, that Parent shall be obligated pursuant to this paragraph (ii) to
     pay for only one firm or counsel for all Indemnified Parties unless the use
     of one counsel for such Indemnified Parties would present such counsel with
     a conflict of interest, (B) the Indemnified Parties will cooperate in the
     defense of any such matter and (C) Parent shall not be liable for any
     settlement effected without its prior written consent, which consent will
     not be unreasonably withheld; and provided, further, however, that Parent
     shall not have any obligation hereunder to any Indemnified Party when and
     if a court of competent jurisdiction shall ultimately determine, and such
     determination shall have become final and non-appealable, that the
     indemnification of such Indemnified Party in the manner contemplated hereby
     is prohibited by applicable law. If such indemnity is not available with
     respect to any Indemnified Party, then Parent and the Indemnified Party
     shall contribute to the amount payable in such proportion as is appropriate
     to reflect relative faults and benefits, with any respect of "fault"
     otherwise allocable to a Seller being allocated to Parent.
 
          (iii) For a period of six years after the Merger 1 Effective Time and
     the Merger 2 Effective Time, respectively, Purchasers shall maintain the
     Sellers' existing directors and officers liability insurance or equivalent
     liability insurance, which will provide coverage for those persons who are
     directors and officers of the Sellers as of such effective time, so long as
     the annual premium therefor is not in excess of 150% of the last annual
     premium paid by the Sellers prior to the date hereof.
 
          (iv) In lieu of the insurance arrangement referred to in clause (iii)
     of this Section 8(j), Purchasers may, on or before the Closing, enter into
     alternative insurance arrangements, providing that such arrangements are
     approved by each of the Sellers and are no less advantageous to the
     Indemnified Parties so long as no lapse in coverage occurs as a result of
     such substitution.
 
<PAGE>   41
 
          (v) The obligations of Purchasers under this Section 8(j) are intended
     to benefit, and be enforceable against Purchasers directly by the
     Indemnified Parties, and shall be binding on all respective successors of
     Purchasers.
 
     (k) Shareholders Agreement; Compliance with the Securities Act. Each Seller
shall each use their reasonable best efforts to cause each principal executive
officer, each director and each other person who is an Affiliate of either
Seller to deliver to Parent on or prior to the Merger 1 Effective Time (i) a
written agreement (an "Affiliate Agreement") to the effect that such person will
not offer to sell, sell or otherwise dispose of any shares of Parent Common
Stock issued in the Mergers, except, in each case, pursuant to an effective
registration statement or in compliance with Rule 145, as amended from time to
time, or in a transaction which, in the opinion of legal counsel satisfactory to
Parent, is exempt from the registration requirements of the Securities Act and
(ii) a Shareholders Agreement. Parent shall be entitled to place appropriate
legends on the certificates evidencing any Parent Common Stock to be received by
such Affiliates pursuant to the terms of this Agreement, and to issue
appropriate stop transfer instructions to the transfer agent for the Parent
Common Stock, consistent with the terms of the Affiliate Agreements.
 
     (1) Convest Shares.
 
          (i) Transfer and Encumbrance. Edisto agrees not to transfer, sell,
     exchange, pledge or otherwise dispose of or encumber the Shares or any New
     Shares (as hereinafter defined) or to make any offer or agreement relating
     thereto, at any time prior to the Expiration Date. As used herein, the term
     "Expiration Date" shall mean the earlier to occur of (A) such date and time
     as each of the Mergers shall have become effective in accordance with the
     terms and provisions of the Merger Agreement, (B) the termination of this
     Merger Agreement in accordance with its terms.
 
          (ii) New Shares. Edisto agrees that any shares of capital stock of
     Convest that Edisto purchases or with respect to which Edisto otherwise
     acquires beneficial ownership after the date of this Agreement and prior to
     the Expiration Date ("New Shares") shall be subject to the terms and
     conditions of this Agreement to the same extent as if they constituted
     Shares.
 
          (iii) Agreement to Vote Shares. Unless this Merger Agreement is
     terminated pursuant to its terms, at every meeting of the stockholders of
     Convest held prior to the Merger 2 Effective Time called with respect to
     any of the following, and at every adjournment thereof, and on every action
     or approval by written consent of the stockholders of Convest with respect
     to any of the following, Edisto shall vote the Shares and any New Shares:
     (A) in favor of approval of this Agreement, the Merger 2 Articles and the
     Mergers and any matter that could reasonably be expected to facilitate the
     Mergers; and (B) against approval of any proposal made in opposition to the
     consummation of the Mergers, this Agreement or the Merger 2 Articles,
     against any merger, consolidation, sale of assets, reorganization or
     recapitalization with any party other than Parent and its Affiliates and
     against any liquidation or winding up of Convest (each of the foregoing is
     referred to as an "Opposing Proposal"). To the extent inconsistent with the
     provisions of this Agreement, Edisto hereby revokes any and all proxies
     with respect to the Shares or any other voting securities of Convest.
 
     (m) Credit Agreement. Sellers agree, if requested by Parent, to cooperate
with Parent to cause the termination of the Amended and Restated Secured
Revolving Credit Agreement, dated June 23, 1995, by and among Convest, Edisto
E&P, BankOne, Texas, National Association, as Agent, and Compass Bank -- Houston
and BankOne, Texas, National Association, as Banks, including the termination
and release of any security arrangements or other obligations of any nature
thereunder.
 
<PAGE>   42
 
SECTION 9. CONDITIONS.
 
     (a) Conditions to Each Party's Obligation to Effect the Mergers. The
respective obligations of each party to effect the Mergers shall be subject to
the fulfillment at or prior to the Closing Date of the following conditions:
 
          (i) this Agreement and the transactions contemplated hereby shall have
     been approved and adopted by the Requisite Stockholder Approvals of the
     Sellers under applicable law and applicable listing requirements;
 
          (ii) the shares of Parent Common Stock issuable in the Mergers and
     those to be reserved for issuance upon exercise of stock options or
     warrants or the conversion of convertible securities shall have been
     authorized for quotation on the NYSE, or such other exchange on which
     Parent Common Stock is then primarily traded, upon official notice of
     issuance;
 
          (iii) the Registration Statement shall have become effective in
     accordance with the provisions of the Securities Act, and no stop order
     suspending such effectiveness shall have been issued and remain in effect
     and no proceeding for that purpose shall have been instituted by the SEC or
     any state regulatory authorities;
 
          (iv) no preliminary or permanent injunction or other order or decree
     by any federal or state court which prevents the consummation of any of the
     Mergers shall have been issued and remain in effect (each party agreeing to
     use its reasonable efforts to have any such injunction, order or decree
     lifted);
 
          (v) no action shall have been taken, and no statute, rule or
     regulation shall have been enacted, by any state or federal government or
     governmental agency in the United States which would prevent the
     consummation of any of the Mergers or make the consummation of any of the
     Mergers illegal;
 
          (vi) all governmental waivers, consents, orders and approvals legally
     required for the consummation of the Mergers and the transactions
     contemplated hereby, and all consents from lenders required to consummate
     the Mergers, shall have been obtained and be in effect at the Merger 1
     Effective Time, except where the failure to obtain the same would not be
     reasonably likely to have a Material Adverse Effect following the Merger 1
     Effective Time; and
 
          (vii) the Sellers and Purchasers shall have received an opinion of
     Coopers & Lybrand L.L.P., in form and substance reasonably satisfactory to
     the Sellers and Purchasers, dated the Closing Date, to the effect that (A)
     Merger 2 will qualify as a reorganization under Section 368 of the Code and
     (B) Parent and Convest will each be a "party to a reorganization" within
     the meaning of 368(b) of the Code with respect to Merger 2.
 
     (b) Conditions to Obligation of the Sellers to Effect the Mergers. Unless
waived by the Sellers, the obligation of the Sellers to effect the Mergers shall
be subject to the fulfillment at or prior to the Closing Date of the following
additional conditions:
 
          (i) Purchasers shall have performed in all material respects their
     agreements contained in this Agreement required to be performed on or prior
     to the Closing Date and the representations and warranties of Purchasers
     contained in this Agreement shall be true and correct in all material
     respects on and as of the date made and (except to the extent that such
     representations and warranties speak as of an earlier date) on and as of
     the Closing Date as if made at and as of such date, and the Sellers shall
     have received a certificate of the President or a Vice President of Parent
     and of the President or a Vice President of EDI-Sub to that effect;
 
          (ii) since the date hereof, there shall have been no changes that
     constitute, and no event or events (including, without limitation,
     litigation developments) shall have occurred which have resulted in or
     constitute, either individually or in the aggregate, a Material Adverse
     Change;
 
          (iii) all governmental waivers, consents, orders, and approvals
     legally required for the consummation of the Mergers and the transactions
     contemplated hereby shall have been obtained and be in effect at the
     Closing Date except for such waivers, consents, orders and approvals the
     failure of which to have been
 
<PAGE>   43
 
     obtained would not have, either individually or in the aggregate, a
     Material Adverse Effect, and no governmental authority shall have
     promulgated after the date hereof any statute, rule or regulation which,
     when taken together with all such promulgations, would cause a Material
     Adverse Change; and
 
          (iv) each Seller shall have received the bring-down opinion of its
     respective financial advisor, dated as of the date of the definitive Joint
     Proxy Statement/Prospectus, to the effect that the consideration to be
     received in the Mergers by the respective holders of the Convest Common
     Stock and the Edisto Common Stock is fair to such holders from a financial
     point of view.
 
     (c) Conditions to Obligation of Purchasers to Effect the Mergers. Unless
waived by Parent, the obligations of Purchasers to effect the Mergers shall be
subject to the fulfillment at or prior to the Merger 1 Effective Time of the
additional following conditions:
 
          (i) the Sellers shall have performed in all material respects their
     agreements contained in this Agreement required to be performed on or prior
     to the Closing Date and the representations and warranties of the Sellers
     contained in this Agreement shall be true and correct in all material
     respects on and as of the date made and on and as of the Closing Date as if
     made at and as of such date, and Parent shall have received a Certificate
     of the Chairman and Chief Executive Officer, President or of a Vice
     President of each Seller to that effect;
 
          (ii) the Affiliate Agreements and Shareholders Agreements required to
     be delivered to Parent pursuant to Section 8(k) shall have been furnished
     as required by Section 8(k);
 
          (iii) each Edisto Option and each Convest Option shall have either
     been redeemed, exercised or canceled in accordance with Section 4(c);
 
          (iv) since the date hereof, there shall have been no changes that
     constitute, and no event or events (including, without limitation,
     litigation developments) shall have occurred which have resulted in or
     constitute, either individually or in the aggregate, a Material Adverse
     Change;
 
          (v) all governmental waivers, consents, orders and approvals legally
     required for the consummation of the Mergers and the transactions
     contemplated hereby shall have been obtained and be in effect at the
     Closing Date except for such waivers, consents, orders and approvals the
     failure of which to have been obtained would not have, either individually
     or in the aggregate, a Material Adverse Effect, and no governmental
     authority shall have promulgated after the date hereof any statute, rule or
     regulation which, when taken together with all such promulgations, would
     cause a Material Adverse Change;
 
          (vi) the number of Dissenting Shares shall not exceed three percent of
     the total number of shares of Edisto Common Stock outstanding on the date
     hereof;
 
          (vii) with respect to that certain letter agreement, dated May 1,
     1995, among Convest, Edisto E&P and Coral Reserves Energy Corp. ("Coral"),
     and the preferential purchase right of Coral contained therein, Sellers
     shall have obtained (a) the written waiver of such right by Coral, or (b)
     the exercise of such right by Coral in accordance with the terms of such
     agreement for a price of $14,000,000; and
 
          (viii) with respect to that certain Conveyance of Production Payment
     dated February 4, 1992, between NRM Operating Company, L.P. and Enron
     Reserve Acquisition Corp. ("ERAC"), Sellers shall have obtained the express
     written consent of ERAC to (a) the transfer of the interest of Edisto E&P
     in the subject property pursuant to this Agreement, and (b) the succession,
     by Parent or by any Subsidiary of Parent selected from time to time by
     Parent in its sole discretion, to Edisto E&P's interests and obligations
     under such agreement; provided, however, that such successor shall not be
     required to assume any obligations, other than those currently borne by
     Edisto E&P, in order for Sellers to obtain such consent.
 
<PAGE>   44
 
SECTION 10. TERMINATION, AMENDMENT AND WAIVER.
 
     (a) Termination. This Agreement may be terminated at any time prior to the
Closing Date, whether before or after approval by the stockholders of the
Sellers, by the mutual written consent of the Parent and the Sellers or as
follows:
 
          (i) The Sellers shall have the right to terminate this Agreement:
 
             (A) if the representations and warranties of Purchasers shall fail
        to be true and correct in all material respects on and as of the date
        made or, except in the case of any such representations and warranties
        made as of a specified date, on and as of any subsequent date as if made
        at and as of such subsequent date and such failure shall not have been
        cured in all material respects within 30 days after written notice of
        such failure is given to Parent by the Sellers;
 
             (B) if the Mergers are not completed by October 31, 1997 (unless
        due to a delay or default on the part of a Seller);
 
             (C) if any of the Mergers is enjoined by a final, unappealable
        court order not entered at the request or with the support of a Seller
        and if the Sellers shall have used reasonable efforts to prevent the
        entry of such order;
 
             (D) if (w) a Seller receives an offer or proposal from any
        Potential Acquirer (excluding any Affiliate of a Seller or any group of
        which any Affiliate of a Seller is a member) with respect to a merger,
        sale of substantial assets or other business combination involving such
        Seller, (x) such Seller's Board of Directors determines, in good faith
        and after consultation with an independent financial advisor, that such
        offer or proposal (if consummated pursuant to its terms) would result in
        an Acquisition Transaction more favorable to such Seller's stockholders
        from a financial point of view than the relevant Merger (any such offer
        or proposal being referred to as a "Superior Proposal") and resolves to
        accept such Superior Proposal, (y) the Board of Directors of the Seller
        shall conclude in good faith after consultation with its legal counsel
        that such action is necessary in order for the Board of Directors of the
        Seller to act in a manner that is consistent with its fiduciary
        obligations under applicable law and (z) the Seller shall have furnished
        the Parent with a copy of the definitive agreement at least five
        business days prior to its execution and Parent shall have failed within
        such five business day period to offer to amend the terms of this
        Agreement so that the Mergers would be, in the good faith determination
        of the Board of Directors of the Seller, at least as favorable to the
        Seller's stockholders from a financial point of view as the Acquisition
        Transaction; provided, however, that such termination shall not be
        effective until such time as the payment required by Section 10(b)(ii)
        shall have been received by Parent;
 
             (E) if (w) a tender or exchange offer is commenced by a Potential
        Acquirer (excluding any Affiliate of a Seller or any group of which any
        Affiliate of a Seller is a member) for all outstanding shares of such
        Seller's common stock, (x) such Seller's Board of Directors determines,
        in good faith and after consultation with an independent financial
        advisor, that such offer constitutes a Superior Proposal and resolves to
        accept such Superior Proposal or recommend to the stockholders that they
        tender their shares in such tender or exchange offer, (y) the Board of
        Directors of the Seller shall conclude in good faith after consultation
        with its legal counsel that such action is necessary in order for the
        Board of Directors of the Seller to act in a manner that is consistent
        with its fiduciary obligations under applicable law and (z) the Seller
        shall have furnished the Parent with a copy of the definitive agreement
        at least five business days prior to its execution and Parent shall have
        failed within such five business day period to offer to amend the terms
        of this Agreement so that the Mergers would be, in the good faith
        determination of the Board of Directors of the Seller, at least as
        favorable to the Seller's stockholders from a financial point of view as
        the Acquisition Transaction; provided, however, that such termination
        shall not be effective until such time as the payment required by
        Section 10(b)(ii) shall have been received by Parent; or
 
             (F) if (x) Parent fails to perform in any material respect any of
        its material covenants in this Agreement ("Default"), (y) Parent does
        not cure such Default in all material respects within
 
<PAGE>   45
 
        30 days after notice of such Default is given to Parent by the Sellers
        and (z) neither Seller is itself in Default.
 
          (ii) Parent shall have the right to terminate this Agreement:
 
             (A) if the representations and warranties of the Sellers shall fail
        to be true and correct in all material respects on and as of the date
        made or, except in the case of any such representations and warranties
        made as of a specified date, on and as of any subsequent date as if made
        at and as of such subsequent date and such failure shall not have been
        cured in all material respects within 30 days after written notice of
        such failure is given to the Sellers by Parent;
 
             (B) if the Mergers are not completed by October 31, 1997 (unless
        due to a delay or default on the part of Parent);
 
             (C) if any of the Mergers is enjoined by a final, unappealable
        court order not entered at the request or with the support of Parent and
        if Parent shall have used reasonable efforts to prevent the entry of
        such order;
 
             (D) if the Board of Directors of a Seller shall have resolved to
        accept a Superior Proposal or shall have recommended to the stockholders
        of such Seller that they tender their shares in a tender or an exchange
        offer commenced by a third party (excluding any Affiliate of Parent or
        any group of which any Affiliate of Parent is a member);
 
             (E) if (A) a Seller is in Default, (B) such Seller does not cure
        such Default in all material respects within 30 days after notice of
        such Default is given to such Seller by Parent, and (C) Parent is not
        itself in Default; or
 
             (F) if the Sellers fail to receive the Requisite Stockholder
        Approvals.
 
          (iii) As used in this Section 10(a) "group" has the meaning set forth
     in Section 13(d) of the Exchange Act and the rules and regulations
     thereunder.
 
          (iv) Each party (i) acknowledges that a breach of any of its
     requirements for a termination pursuant to Section 10(a)(i)(D) and
     10(a)(i)(E) will result in irreparable harm to the other party which will
     not be compensable in money damages, and (ii) agrees that such requirements
     shall be specifically enforceable and that specific performance and
     injunctive relief shall be a remedy properly available to the other party
     for a breach of such requirements. In any event, if a Seller enters into an
     Acquisition Transaction, it will immediately pay to Parent the sums
     described in Section 10(b) below.
 
     (b) Expenses and Fees.
 
          (i) All costs and expenses incurred in connection with this Agreement
     and the transactions contemplated hereby shall be paid by the party
     incurring such expenses, except that those expenses incurred in connection
     with printing and filing the Joint Proxy Statements/Prospectus shall be
     shared equally by Parent and the Sellers.
 
          (ii) The Sellers agree to immediately pay to Parent a fee equal to
     $3,000,000, if:
 
             (A) either Seller terminates this Agreement pursuant to clause (D)
        or (E) of Section 10(a)(i);
 
             (B) Parent terminates this Agreement pursuant to clause (D) of
        Section 10(a)(ii); or
 
             (C) Parent terminates this Agreement pursuant to clause (F) of
        Section 10(a)(ii) as a result of a failure of Convest to receive the
        Requisite Stockholder Approvals.
 
          (iii) Parent agrees to pay to the Sellers, as liquidated damages and
     as the sole remedy and payment for any damages, a fee equal to $3,000,000
     if Sellers are not in breach or violation of this Agreement and Parent
     terminates this Agreement for any reason other than pursuant to Section
     10(a)(ii).
 
                                      
<PAGE>   46
     (c) Effect of Termination. In the event of termination of this Agreement by
either Parent or the Sellers pursuant to the provisions of Section 10(a), this
Agreement shall forthwith become void and there shall be no further obligation
on the part of any Party or their respective officers or directors (except as
set forth in this Section 10(c), in the second sentence of Section 8(a)(i) and
in Sections 8(a)(ii) and 10(b), all of which shall survive the termination).
Nothing in this Section 10(c) shall relieve any Party from liability for any
willful or intentional breach of this Agreement; provided, however, that any
termination of this Agreement in accordance with the procedures and payments set
forth in Section 10(b) shall relieve the terminating Party of any such
liability.
 
     (d) Amendment. This Agreement may not be amended except by an instrument in
writing signed on behalf of each of the parties hereto and in compliance with
applicable law. Such amendment may take place at any time prior to the Closing
Date, whether before or after approval by the stockholders of the Sellers.
 
     (e) Waiver. At any time prior to the Merger 1 Effective Time, the
Dissolution Effective Time or Merger 2 Effective Time, as the case may be, the
Parties hereto may (i) extend the time for the performance of any of the
obligations or other acts of the other Parties hereto, (ii) waive any
inaccuracies in the representations and warranties contained herein or in any
document delivered pursuant thereto and (iii) waive compliance with any of the
agreements or conditions contained herein. Any agreement on the part of a Party
hereto to any such extension or waiver shall be valid if set forth in an
instrument in writing signed on behalf of such Party.
 
SECTION 11. GENERAL PROVISIONS.
 
     (a) Non-Survival of Representations and Warranties. No representations or
warranties in this Agreement or in any instrument delivered pursuant to this
Agreement shall survive the Mergers. The covenants and agreements of the parties
to be performed after the Closing contained in this Agreement shall survive the
Closing.
 
     (b) Notices. All notices and other communications hereunder shall be in
writing and shall be deemed given if delivered personally, mailed by registered
or certified mail (return receipt requested) or sent via facsimile to the
parties at the following addresses (or at such other address for a Party as
shall be specified by like notice):
 
       (i) If to Parent or EDI-Sub to:
 
           Forcenergy Inc
           2730 SW 3rd Avenue
           Suite 800
           Miami, Florida 33129-2237
           Attention: Stig Wennerstrom
           Telecopy: (305) 856-4300
 
           with a copy to:
 
           Andrews & Kurth L.L.P.
           4200 Texas Commerce Tower
           Houston, Texas 77002
           Attention: John F. Wombwell
           Telecopy: (713) 220-4285
 
      (ii) If to the Sellers, to:
 
           Edisto Resources Corporation
           2401 Fountain View Drive
           Suite 700
           Houston, Texas 77057
           Attention: Michael Y. McGovern
           Telecopy: (281) 290-9665

 
                                      
<PAGE>   47
           with a copy to:
 
           Snell & Smith, P.C.
           1000 Louisiana, Suite 3650
           Houston, Texas 77002
           Attention: Paul E. Pryzant
           Telecopy: (713) 651-8010
 
     (c) Interpretation. The headings contained in this Agreement are for
reference purposes only and shall not affect in any way the meaning or
interpretation of this Agreement. In this Agreement, unless a contrary intention
appears, (i) the words "herein," "hereof" and "hereunder" and other words of
similar import refer to this Agreement as a whole and not to any particular
Article, Section or other subdivision and (ii) reference to any Article or
Section means such Article or Section hereof. No provision of this Agreement
shall be interpreted or construed against any party hereto solely because such
party or its legal representative drafted such provision.
 
     (d) Miscellaneous. This Agreement (including the documents and instruments
referred to herein) (i) constitutes the entire agreement and supersedes all
other prior agreements and understandings, both written and oral, among the
parties, or any of them, with respect to the subject matter hereof, (ii) is not
intended to confer upon any other person any rights or remedies hereunder and
(iii) shall not be assigned by operation of law or otherwise, except that
EDI-Sub may assign this Agreement to any other wholly owned subsidiary of
Parent. THIS AGREEMENT SHALL BE GOVERNED IN ALL RESPECTS, INCLUDING VALIDITY,
INTERPRETATION AND EFFECT, BY THE LAWS OF THE STATE OF DELAWARE APPLICABLE TO
CONTRACTS EXECUTED AND TO BE PERFORMED WHOLLY WITHIN SUCH STATE.
 
     (e) Counterparts. This Agreement may be executed in two or more
counterparts, each of which shall be deemed to be an original, but all of which
shall constitute one and the same agreement.
 
     (f) Parties In Interest. This Agreement shall be binding upon and inure
solely to the benefit of each Party hereto, and nothing in this Agreement,
express or implied, is intended to confer upon any other person any rights or
remedies of any nature whatsoever under or by reason of this Agreement.
 
<PAGE>   48
 
     IN WITNESS WHEREOF, the Parties hereto have executed this Agreement as of
the date first above written.
 
                                            FORCENERGY INC
 
                                            By:    /s/ STIG WENNERSTROM
                                              ----------------------------------
                                              Name: Stig Wennerstrom
                                              Title: President and Chief
                                                Executive Officer
 
                                            EDI ACQUISITION CORPORATION
 
                                            By:    /s/ STIG WENNERSTROM
                                              ----------------------------------
                                              Name: Stig Wennerstrom
                                              Title: President and Chief
                                                Executive Officer
 
                                            EDISTO RESOURCES CORPORATION
 
                                            By:   /s/ MICHAEL Y. MCGOVERN
                                              ----------------------------------
                                              Name: Michael Y. McGovern
                                              Title: Chairman and Chief
                                                Executive Officer
 
                                            CONVEST ENERGY CORPORATION
 
                                            By:   /s/ MICHAEL Y. MCGOVERN
                                              ----------------------------------
                                              Name: Michael Y. McGovern
                                              Title: Chairman and Chief
                                                Executive Officer
 


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