TRANSCOASTAL MARINE SERVICES INC
8-K, 1998-09-15
OIL & GAS FIELD SERVICES, NEC
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<PAGE>   1
================================================================================

                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549


                                    FORM 8-K
                                 CURRENT REPORT


                            DATED SEPTEMBER 15, 1998


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



       Date of Report (Date of earliest event reported): SEPTEMBER 1, 1998



                       TRANSCOASTAL MARINE SERVICES, INC.
             (Exact name of registrant as specified in its charter)



<TABLE>
<S>                                               <C>
               DELAWARE                                       72-1353528
(State or Other Jurisdiction of Incorporation)     (I.R.S. Employer Identification No.)
</TABLE>


                                    000-23225
                            (Commission File Number)


   2925 BRIARPARK DRIVE, SUITE 930                                    77042
            HOUSTON, TEXAS
(Address of Principal Executive Offices)                            (ZIP Code)


       Registrant's telephone number, including area code: (713) 784-7429


================================================================================





<PAGE>   2


ITEM 2.  ACQUISITION OR DISPOSITION OF ASSETS

         On September 1, 1998, TransCoastal Marine Services, Inc. (the
"Company") consummated the acquisition of Dickson GMP International, Inc. and
four affiliated companies ("Dickson") for $10 million in cash and 1,300,000
shares of Common Stock of the Company. Under the terms of the agreement, the
Company is obligated to pay to the former Dickson shareholders up to an
additional $7.3 million in cash and 400,000 shares of Common Stock if certain
financial targets are achieved by the Dickson entities by September 1, 1999.

         Dickson performs project management, fabrication and installation of
specialized oil and gas production facilities worldwide. Dickson had revenues of
approximately $44 million for the year ended December 31, 1997. The cash portion
of the purchase price was financed through additional borrowings under the
Company's existing line of credit with Joint Energy Development Investment
Limited Partnership, an affiliate of Enron Capital Corp.

         As required under Rule 3-05 of Regulation S-X, certain financial
statements of Dickson and pro forma information is filed herein.

ITEM 7.  FINANCIAL STATEMENTS AND EXHIBITS

(a)      FINANCIAL STATEMENTS OF ACQUIRED COMPANY

<TABLE>
<CAPTION>
                                                                             Page
                                                                             ----
<S>                                                                            <C>
DICKSON GMP INTERNATIONAL, INC. AND AFFILIATES:
    Report of Independent Public Accountants                                   2
    Combined Balance Sheets as of December 31, 1996 and 1997                   3
    Combined Statements of Operations for the
       Years Ended December 31, 1995, 1996 and 1997                            4
    Combined Statements of Stockholders' Equity for the
       Years Ended December 31, 1995, 1996 and 1997                            5
    Combined Statements of Cash Flows for the Years Ended
       December 31, 1995, 1996 and 1997                                        6
    Notes to Combined Financial Statements                                     7
</TABLE>

(b)      PRO FORMA FINANCIAL INFORMATION

<TABLE>
<CAPTION>
                                                                              Page
                                                                              ----
<S>                                                                            <C>
TRANSCOASTAL MARINE SERVICES, INC.:
    Unaudited Pro Forma Consolidated Financial Statements--Basis
       of Presentation                                                         18
    Unaudited Pro Forma Consolidated Balance Sheet as of June 30, 1998         19
    Unaudited Pro Forma Consolidated Statement of Operations for the
       Year Ended December 31, 1997                                            20
    Unaudited Pro Forma Consolidated Statement of Operations for the
       Six Months Ended June 30, 1998                                          21
    Notes to Unaudited Pro Forma Consolidated Financial Statements             22
</TABLE>

 (c)     EXHIBITS

         The following exhibits are filed herewith:

<TABLE>
<S>              <C>       <C>
         10.1    ---       First Amendment to Senior Revolving Credit Agreement
         10.2    ---       First Amendment to Subordinated Credit Agreement
         10.3    ---       Stock Purchase and Merger Agreement
         10.4    ---       First Amendment to Stock Purchase and Merger Agreement
         10.5    ---       Employment  Agreement of Fred E.  Gallander,  Chief  Executive  Officer and President of
                           Dickson GMP International, Inc.
         99.1     ---      News release of the Company  regarding the  acquisition  of Dickson  dated  September 1,
                           1998
</TABLE>






                                       1
<PAGE>   3




                    REPORT OF INDEPENDENT PUBLIC ACCOUNTANTS




To the Shareholder of
Dickson GMP International, Inc. and Affiliates:


We have audited the accompanying combined balance sheets of Dickson GMP
International, Inc. and Affiliates as of December 31, 1996 and 1997, and the
related statements of operations, stockholders' equity and cash flows for the
three years in the period ended December 31, 1997. These combined financial
statements are the responsibility of the Company's management. Our
responsibility is to express an opinion on these combined 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 combined financial statements referred to above present
fairly, in all material respects, the combined financial position of Dickson GMP
International, Inc. and Affiliates as of December 31, 1996 and 1997, and the
combined results of their operations and their cash flows for each of the three
years in the period ended December 31, 1997, in conformity with generally
accepted accounting principles.



ARTHUR ANDERSEN LLP

New Orleans, Louisiana
September 1, 1998




                                       2
<PAGE>   4




                 Dickson GMP International, Inc. and Affiliates
                             Combined Balance Sheets
                                 (In Thousands)

<TABLE>
<CAPTION>
                                                                   Assets                          December 31, 
                                                                                              --------------------     June 30,
                                                                                                1996         1997        1998
                                                                                              --------     --------    --------
                                                                                                                      (Unaudited)
<S>                                                                                           <C>          <C>         <C>     
Current assets:                                                                                                       
    Cash and cash equivalents                                                                 $     10     $     57    $  1,352
    Restricted cash and cash equivalents                                                          --           --         5,691
                                                                                              --------     --------    --------
                                                                                                    10           57       7,043
    Receivables, net                                                                             8,662       10,203       2,114
    Costs and estimated earnings in excess
       of billings on uncompleted contracts                                                      3,860        2,174       2,172
    Receivable from stockholders                                                                    93            3           3
    Other                                                                                          245          231         418
                                                                                              --------     --------    --------

       Total current assets                                                                     12,870       12,668      11,750

Property, plant, and equipment, net                                                              2,421        3,434       3,500
Retainage receivable - long term                                                                   104         --          --
Deposits                                                                                           295          153         153
                                                                                              --------     --------    --------

                                                                                              $ 15,690     $ 16,255    $ 15,403
                                                                                              ========     ========    ========

                                                    Liabilities and Stockholders' Equity
Current liabilities:
    Outstanding checks in excess of bank balance                                              $    176     $    778    $   --
    Revolving line of credit                                                                      --          2,626        --
    Accounts payable                                                                             6,850        4,277       2,132
    Accrued expenses                                                                             2,147        3,167       3,318
    Billings in excess of costs and estimated
       earnings on uncompleted contracts                                                           231         --          --
    Deferred revenue                                                                              --           --         5,691
    Leases payable                                                                                --             58          22
    Due to affiliate - line of credit                                                            5,540         --          --
    Current portion of long-term debt                                                              139          155       1,228
                                                                                              --------     --------    --------

       Total current liabilities                                                                15,083       11,061      12,391

Long-term debt                                                                                     492        2,202         403
Stockholders' notes                                                                                362         --          --
Due to affiliate                                                                                 2,424        1,624       1,624
                                                                                              --------     --------    --------

       Total liabilities                                                                        18,361       14,887      14,418
                                                                                              --------     --------    --------

Commitments and contingencies

Stockholders' (deficit) equity:
    Common stock, no par value                                                                      93           93         165
    Additional paid-in capital                                                                    --          1,162       1,162
    Retained (deficit) earnings                                                                 (2,764)         113        (342)
                                                                                              --------     --------    --------

       Total stockholders' (deficit) equity                                                     (2,671)       1,368         985
                                                                                              --------     --------    --------

                                                                                              $ 15,690     $ 16,255    $ 15,403
                                                                                              ========     ========    ========
</TABLE>



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





                                       3
<PAGE>   5




                 Dickson GMP International, Inc. and Affiliates
                        Combined Statements of Operations
                                 (In Thousands)

<TABLE>
<CAPTION>
                                                                                                Six Months
                                                            Year Ended December 31,            Ended June 30,
                                                      ---------------------------------    --------------------
                                                        1995         1996        1997        1997        1998
                                                      --------     --------    --------    --------    --------
                                                                                          (Unaudited) (Unaudited)

<S>                                                   <C>          <C>           <C>       <C>         <C>     
Revenues                                              $ 29,835     $ 47,010    $ 44,961    $ 18,753    $ 22,984
Cost of revenues                                        28,444       45,022      39,413      17,599      20,881
                                                      --------     --------    --------    --------    --------

    Gross profit                                         1,391        1,988       5,548       1,154       2,103

Selling, general, and administrative expenses              836          965       1,285         537         774
                                                      --------     --------    --------    --------    --------

    Operating income                                       555        1,023       4,263         617       1,329

Interest expense                                           480          464         635         335         117
Other (income) expense                                    (118)          66         129           2          (3)
                                                      --------     --------    --------    --------    --------

    Net income                                        $    193     $    493    $  3,499    $    280    $  1,215
                                                      ========     ========    ========    ========    ========
</TABLE>









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


                                       4
<PAGE>   6



                 Dickson GMP International, Inc. and Affiliates
                   Combined Statements of Stockholders' Equity
                      (In Thousands, Except Share Amounts)


<TABLE>
<CAPTION>
                                                                                                                   Total
                                                                   Common Stock       Additional   Retained    Stockholder
                                                                --------------------    Paid-In     (Deficit)    (Deficit)
                                                                 Shares      Amount     Capital     Earnings      Equity
                                                                --------    --------    --------    --------     --------

<S>                                                               <C>       <C>         <C>         <C>          <C>      
Balance at December 31, 1994                                      93,100    $     93    $   --      $ (2,828)    $ (2,735)

Net income                                                          --          --          --           193          193
Distributions to stockholders                                       --          --          --          (291)        (291)
                                                                --------    --------    --------    --------     --------
Balance at December 31, 1995                                      93,100          93        --        (2,926)      (2,833)

Net income                                                          --          --          --           493          493
Distributions to stockholders                                       --          --          --          (331)        (331)
                                                                --------    --------    --------    --------     --------
Balance at December 31, 1996                                      93,100          93        --        (2,764)      (2,671)

Net income                                                          --          --          --         3,499        3,499
Distributions to stockholders                                       --          --          --          (622)        (622)
Stockholder debt converted to additional paid-in capital            --          --         1,162        --          1,162
                                                                --------    --------    --------    --------     --------
Balance at December 31, 1997                                      93,100          93       1,162         113        1,368

Net income (unaudited)                                              --          --          --         1,215        1,215
Distributions to stockholder (unaudited)                            --          --          --        (1,670)      (1,670)
Addition of SCPV (unaudited) (note 1)                                100          72        --          --             72

                                                                --------    --------    --------    --------     --------
Balance at June 30, 1998 (unaudited)                              93,200    $    165    $  1,162    $   (342)    $    985
                                                                ========    ========    ========    ========     ========
</TABLE>





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





                                       5
<PAGE>   7




                 Dickson GMP International, Inc. and Affiliates
                        Combined Statements of Cash Flows
                                 (In Thousands)


<TABLE>
<CAPTION>
                                                                                                               Six Months
                                                                         Year Ended December 31,              Ended June 30,
                                                                    ----------------------------------     ---------------------
                                                                      1995         1996         1997         1997         1998
                                                                    --------     --------     --------     --------     --------
                                                                                                          (Unaudited)  (Unaudited)
<S>                                                                 <C>          <C>          <C>          <C>          <C>     
 CASH FLOWS FROM OPERATING ACTIVITIES:
     Net income                                                     $    193     $    493     $  3,499     $    280     $  1,215
     Adjustments to reconcile net income
        to net cash provided by (used in)
        operating activities:
           Depreciation and amortization                                 249          446          631          215          319
           Loss on disposal of assets                                     16         --              7            3         --
           Change in operating assets and
              liabilities:
                 Receivables                                             306       (3,031)      (1,541)       1,749        8,089
                 Net increase (decrease) in billings related
                     to costs and estimated earnings on
                     uncompleted contracts                             1,682       (2,873)       1,455          137            2
                 Other current assets                                    376          133           14         (628)        (187)
                 Receivable from stockholder                            --            (90)          90           90         --
                 Accounts payable                                     (1,102)       1,467         (773)      (1,469)      (2,161)
                 Accrued expenses                                       (255)         459        1,018          754          151
                 Deferred revenue                                       --           --           --           --          5,691
                 Long-term retainage receivable                         --           (104)         104          104         --
                 Deposits                                                (52)          34          145          154         --
                                                                    --------     --------     --------     --------     --------
                     Net cash provided by (used in)
                         operating activities                          1,413       (3,066)       4,649        1,389       13,119

 CASH FLOWS FROM INVESTING ACTIVITIES:
     Purchase of property, plant and equipment                          (735)        (222)      (1,468)         (13)        (470)
     Proceeds from the sale of equipment                                   5         --           --           --             85
                                                                    --------     --------     --------     --------     --------
        Net cash used in investing activities                           (730)        (222)      (1,468)         (13)        (385)

 CASH FLOWS FROM FINANCING ACTIVITIES:
     Net proceeds (repayments) under line of credit agreement           (467)       3,385       (2,914)      (1,231)      (2,626)
     Outstanding checks in excess of bank balance                       --            176          602          168         (778)
     Proceeds from long-term notes                                      --           --           --           --            173
     Repayments of capital leases                                       --           --            (37)        --            (21)
     Repayments of long-term debt                                       (234)        (154)        (163)         (78)        (898)
     Distributions to stockholders                                      (291)        (331)        (622)        (235)      (1,670)
     Addition of SCPV (unaudited)(note 1)                               --           --           --           --             72
                                                                    --------     --------     --------     --------     --------
        Net cash provided by (used in) financing activities             (992)       3,076       (3,134)      (1,376)      (5,748)

 NET INCREASE (DECREASE) IN
     CASH AND CASH EQUIVALENTS                                          (309)        (212)          47         --          6,986

 CASH AND CASH EQUIVALENTS, beginning of period                          531          222           10           10           57

                                                                    --------     --------     --------     --------     --------
 CASH AND CASH EQUIVALENTS, end of period                           $    222     $     10     $     57     $     10     $  7,043
                                                                    ========     ========     ========     ========     ========

SUPPLEMENTAL DISCLOSURE:
     Cash paid for interest                                         $    485     $    465     $    635     $    335     $    175
                                                                    ========     ========     ========     ========     ========
</TABLE>

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




                                       6
<PAGE>   8


                 DICKSON GMP INTERNATIONAL, INC. AND AFFILIATES
                     NOTES TO COMBINED FINANCIAL STATEMENTS


(1)      Summary of Significant Accounting Policies

         (a)      Organization

                  The combined financial statements for December 31, 1996 and
                  1997 include the accounts of Dickson GMP International, Inc.
                  (DGMP), Dickson Marine, Inc. (DMI), Dickson Nigeria, Ltd.
                  (DNL), and Ventura Resources, Inc. (VRI). The unaudited
                  combined financial statements for the six months ended June
                  30, 1998 include a foreign corporation, Servicios y
                  Construcciones Petroleras Ventura, C.A., (SCPV) which was
                  formed in 1998. These companies (collectively, the "Company")
                  are affiliated through common ownership and management. The
                  Company provides engineering, fabrication, installation, and
                  production management services on a worldwide basis to
                  companies primarily in the petroleum and petrochemical
                  industries. Transactions between DGMP, DMI, DNL, VRI and SCPV
                  have been eliminated in the combined financial statements.

                  In 1997, the Companies' ownership was consolidated to one
                  shareholder. In connection therewith, the Companies' debt to
                  the shareholders totaling $1,162,000 was converted to
                  additional paid-in capital.


         (b)      Common Stock

                  Common stock of the Company at December 31, 1997 is summarized
                  as follows:

<TABLE>
<CAPTION>
                                                        Shares
                                        Shares        Issued and       Par
Company                Amount         Authorized      Outstanding     Value
- -------                ------         ----------      -----------     -----

<S>               <C>                  <C>                <C>       <C>     
  DGMP              $     100            1,000              100        None  
  DMI                   3,000            3,000            3,000        None
  DNL                  90,000        2,000,000        2,000,000        None
  VRI                    --              3,000            3,000        None
                    ---------
                    $  93,100
                    =========
</TABLE>

                  SCPV authorized and issued 100 shares of no par value common
                  stock for $72,000 in 1998.

         (c)      Revenue and Cost Recognition

                  Revenue from fixed-price construction contracts is recognized
                  on the percentage-of-completion basis. Under this method,
                  revenue is recognized based upon the relationship of total
                  construction costs incurred to date compared to the total
                  estimated construction costs to complete each contract.
                  Anticipated losses on contracts are charged to earnings as
                  soon as such losses can be estimated. Changes in estimated
                  profits on contracts are recorded during the period in which
                  the change in estimate is made. Construction costs include all
                  direct materials and direct labor as well as indirect overhead
                  costs. Selling, general and administrative costs are charged
                  to expense as incurred.

                  Revenue earned under time and materials contracts is
                  recognized when the services and products are provided.




                                       7
<PAGE>   9

                 DICKSON GMP INTERNATIONAL, INC. AND AFFILIATES
                     NOTES TO COMBINED FINANCIAL STATEMENTS



         (c)      Revenue and Cost Recognition-continued

                  It is the practice of the Company to reflect claims in the
                  financial statements when realization is probable and the
                  amount is reasonably estimable. Included in contract costs for
                  the year ended December 31, 1997 is $582,000 related to a
                  claim from a job which was completed in early 1995 for which
                  realization was determined to be no longer probable.

                  The current asset, "Cost and estimated earnings in excess of
                  billings on uncompleted contracts," represents revenues
                  recognized in excess of amounts billed. The liability
                  "Billings in excess of costs and estimated earnings on
                  uncompleted contracts," represents billings in excess of
                  revenues recognized.


         (d)      Cash and Equivalents

                  For purposes of the statement of cash flows, the Company
                  considers all highly liquid debt instruments purchased with
                  original maturities of three months or less to be cash
                  equivalents.


         (e)      Property, Plant and Equipment

                  Property, plant and equipment are stated at cost, less
                  accumulated depreciation. Depreciation and amortization are
                  calculated using straight-line and declining-balance methods
                  over the estimated useful lives of the assets which range from
                  three to 31.5 years. Expenditures for repairs and maintenance
                  are charged to expense when incurred. Expenditures for major
                  renewals and betterments, which extend the useful lives of
                  existing equipment, are capitalized and depreciated.


         (f)      Income Taxes

                  DGMP, DMI and VRI have elected to be taxed under the
                  provisions of Subchapter S of the Internal Revenue Code. Under
                  these provisions, DGMP, DMI and VRI will not pay federal tax
                  on their taxable income; however, the stockholders will be
                  liable for income taxes on their pro-rata share of DGMP's,
                  DMI's and VRI's taxable income.

                  DNL and SCPV pay income taxes according to the laws set forth
                  by Nigeria and Venezuela, respectively. Income tax payable is
                  provided on taxable profit at the current rate. Deferred
                  taxation, which arises from timing differences in the
                  recognition of items for accounting and tax purposes, is
                  calculated using the liability method at the enacted rate
                  expected to be in effect. Income tax expense in foreign
                  countries for all periods presented is immaterial.


         (g)      Restricted Cash and Cash Equivalents and Deferred Revenue

                  Deferred revenue represents a prepayment made by a customer on
                  a contract prior to commencement of work. The cash received is
                  contractually restricted to the customer's project and is
                  classified as restricted cash and cash equivalents on the
                  balance sheet.




                                       8
<PAGE>   10

                 DICKSON GMP INTERNATIONAL, INC. AND AFFILIATES
                     NOTES TO COMBINED FINANCIAL STATEMENTS



         (h)      Foreign Currency Translation

                  The U.S. dollar is the functional currency for the Company's
                  foreign operations. Gains and losses on the remeasurement of
                  amounts denominated in foreign currencies into U.S. dollars
                  are included in net income in accordance with SFAS No. 52
                  "Foreign Currency Translation." Foreign currency remeasurement
                  losses for the years ended December 31, 1997 and 1996 were
                  $131,000 and $81,000, respectively. The foreign currency
                  remeasurement gain for 1995 was $13,000.

         (i)      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 revenue and expense during the
                  reporting period. Actual results could differ from those
                  estimates.

         (j)      Fair Value of Financial Instruments

                  The Company considers the fair value of all financial
                  instruments to not be materially different from their carrying
                  values at each year-end based on management's estimate of the
                  Company's ability to borrow funds under terms and conditions
                  similar to those applicable to the Company's existing debt.

         (k)      Recent Accounting Pronouncements

                  In June 1998, the Financial Accounting Standards Board (FASB)
                  issued Financial Accounting Standards No. 133, "Accounting for
                  Derivative Instruments and Hedging Activities," which is
                  effective for fiscal years beginning after June 15, 1999.
                  Management believes the implementation of this statement will
                  not have a material effect on its results of operations or
                  financial statement disclosures.

         (l)      Unaudited Financial Information

                  The financial information of the Company for the six-month
                  periods ended June 30, 1997 and 1998 and as of June 30, 1998
                  is unaudited; however, such information reflects, in the
                  opinion of management, all adjustments (consisting solely
                  of normal recurring adjustments) that are necessary to present
                  fairly the results of operations for such periods. Results of
                  operations for these interim periods are not necessarily
                  indicative of results of operations that will be realized for
                  the fiscal year.





                                       9
<PAGE>   11

                 DICKSON GMP INTERNATIONAL, INC. AND AFFILIATES
                     NOTES TO COMBINED FINANCIAL STATEMENTS




(2)      Receivables

         Receivables as of December 31, 1996 and 1997 are summarized as follows
(in thousands):

<TABLE>
<CAPTION>
                                                           December 31,
                                                     -------------------------
                                                       1996             1997
                                                     --------         --------

<S>                                                  <C>              <C>     
Outstanding customer receivables                     $  8,612         $ 10,140
Less allowance for doubtful accounts                      (20)             (20)
                                                     --------         --------

                                                        8,592           10,120
Retainage receivable                                       70               83
                                                     --------         --------

Receivables, net                                     $  8,662         $ 10,203
                                                     ========         ========
</TABLE>


 (3)     Contracts in Process

         Contracts in process at December 31, 1996 and 1997 are summarized as
         follows (in thousands):

<TABLE>
<CAPTION>
                                                                December 31,
                                                          -----------------------
                                                           1996            1997
                                                          -------         -------
<S>                                                       <C>             <C>    
Costs incurred to date on uncompleted fixed
    cost contracts                                        $ 2,383         $ 3,527
Estimated profit thereon                                       56              60
                                                          -------         -------

                                                            2,439           3,587
Less billings to date                                      (1,781)         (2,671)
                                                          -------         -------

                                                              658             916
Unbilled costs and earnings on time and
    materials contracts                                     2,971           1,258
                                                          -------         -------

                                                          $ 3,629         $ 2,174
                                                          =======         =======
</TABLE>

         The amounts above are included in the accompanying balance sheet as
         follows (in thousands):

<TABLE>
<S>                                                       <C>           <C>   
Cost and estimated earnings in excess of
    billings on uncompleted contracts                     $3,860        $2,174

Billings in excess of costs and estimated
    earnings on uncompleted contracts                        231           --
                                                          ------        ------
                                                          $3,629        $2,174
                                                          ======        ======
</TABLE>






                                       10
<PAGE>   12



                 DICKSON GMP INTERNATIONAL, INC. AND AFFILIATES
                     NOTES TO COMBINED FINANCIAL STATEMENTS



(4)      Property, Plant and Equipment

         A summary of property, plant and equipment at December 31, 1996 and
         1997 follows (in thousands):

<TABLE>
<CAPTION>
                                                                               December 31,
                                                                          -----------------------
                                                                           1996            1997
                                                                          -------         -------
<S>                                                                       <C>             <C>    
Land                                                                      $   800         $   800
Buildings and improvements                                                  1,058           1,059
Machinery and equipment                                                     2,626           3,762
Capitalized lease costs                                                       601             986
Furniture and fixtures                                                        323             370
                                                                          -------         -------

                                                                            5,408           6,977

Less accumulated depreciation and amortization                             (2,987)         (3,543)
                                                                          -------         -------

                                                                          $ 2,421         $ 3,434
                                                                          =======         =======
</TABLE>


(5)      Line of Credit

         The Company has entered into a $6,000,000 revolving line of credit
         agreement with a bank that allows the Company to borrow up to 80% of
         the value of the Company's outstanding customer receivables. In
         addition to its accounts receivable, the Company has pledged all of its
         general contracts in process (see note 3), all funds on deposit with
         the bank, and certain other assets as security for the line of credit.
         The Company, and its individual shareholder, guaranteed this $6,000,000
         revolving line of credit. This line of credit was renewed in June, 1998
         at substantially the same terms and matures July 31, 1999. The line has
         an interest rate of bank prime plus 1% (10.75% at December 31, 1997),
         and contains certain restrictive covenants, including minimum current
         and debt-to-equity ratios. The Company was in compliance with or has
         obtained waivers for all covenants through December 31, 1997. As of
         December 31, 1997 the outstanding balance on the line of credit was
         $2,626,000.

         Prior to the above described line of credit agreement, the Company
         maintained a financing agreement with a non-combining affiliate that
         allowed the Company to borrow funds as needed for operations. Under
         this agreement, the Company would either sell its receivables to the
         affiliate, with recourse, or borrow any funds necessary for operations,
         with interest at specified market rates to accrue on any outstanding
         borrowings. The total amounts received by the Company under either
         method could not exceed 80% of the total outstanding customer
         receivables. In conjunction with this arrangement, the affiliate
         entered into an agreement with a bank (the Bank) that allows it to
         borrow up to 80% of the value of the outstanding customer receivables
         of the Company. The Company, and its individual shareholders,
         guaranteed this $6,000,000 revolving line of credit between the
         affiliate and the Bank. In addition to its accounts receivable, the
         Company pledged all of its general contracts in process (see note 3),
         all funds on deposit with the Bank, and certain other assets as
         security for the line of credit. At December 31, 1996 the outstanding
         balance on the line of credit to the affiliate was $5,540,000.




                                       11
<PAGE>   13

                 DICKSON GMP INTERNATIONAL, INC. AND AFFILIATES
                     NOTES TO COMBINED FINANCIAL STATEMENTS



(6)      Long-term Debt

         A summary of long-term debt at December 31, 1996 and 1997 follows (in
         thousands):

<TABLE>
<CAPTION>
                                                                        December 31,
                                                                    --------------------
                                                                     1996          1997
                                                                    ------        ------
<S>                                                                 <C>           <C>   
Subordinated note payable to a vendor, interest due
in quarterly installments,  principal due on July
1, 1999,  bearing 9.75% interest, unsecured                         $ --          $1,800

Subordinated note payable, to an individual,
secured by land, building and improvements, due
in monthly installments of principal and interest
through December 15, 2000, with interest adjusted
annually based on specified market rates, with a
minimum rate of 8% (8.00% through December, 1998)
                                                                       631           472

Note payable, secured by equipment, due in
monthly installments of principal and interest
through June 17, 2002, bearing 10% interest
with a final payment due July 17, 2002                                --              85
                                                                    ------        ------


                                                                       631         2,357

Less current portion                                                   139           155
                                                                    ------        ------

      Long-term debt                                                $  492        $2,202
                                                                    ======        ======
</TABLE>

         Annual maturities of long-term debt at December 31, 1997 are as follows
         (in thousands):

<TABLE>
<CAPTION>
             Year ended December 31,

<S>                                                          <C>     
                      1998                                   $    155
                      1999                                      1,968
                      2000                                        182
                      2001                                         14
                      2002                                         38
                                                              -------

                      Total                                   $ 2,357
                                                              =======

</TABLE>




                                       12
<PAGE>   14

                 DICKSON GMP INTERNATIONAL, INC. AND AFFILIATES
                     NOTES TO COMBINED FINANCIAL STATEMENTS



(7)      Leases

         Operating leases

         The Company leases two adjacent parcels of land in New Orleans,
         Louisiana on a month-to-month basis for additional storage and work
         space and leases property on the Mississippi River Gulf Outlet. The
         Company has approximately $385,000 of capitalized leasehold
         improvements on the New Orleans property which is being amortized over
         15 years (net book value is approximately $357,000 at December 31,
         1997). The Company expects to continue to lease the New Orleans
         property for the foreseeable future. Total rent expense for the years
         ended December 31, 1995, 1996 and 1997 was approximately $153,000,
         $143,000 and $129,000, respectively.

         The Company leases two marine vessels for operation in West Africa. The
         rent expense for the two vessels for the years ended December 31, 1995,
         1996 and 1997 was approximately $2,375,000, $1,700,000 and $2,257,000,
         respectively.

         There were no material noncancelable operating leases with terms in
         excess of one year as of December 31, 1997.

         Capital leases

         Future minimum lease payments under the Company's capital leases at
         December 31, 1997, together with the present value of the minimum lease
         payments, are:

<TABLE>
<S>                                                                 <C>     
1998                                                                $     65

Interest discount amount                                                   7
                                                                    --------

Total present value of minimum lease payments                       $     58
                                                                    ========
</TABLE>

         Capital leases are secured by fixed assets with a cost basis of $95,000
         and accumulated amortization of $14,000.


(8)      Major Customers and Concentrations

         A substantial portion of the Company's services are provided to major
         oil companies. The revenues earned from each customer vary from year to
         year based on the contracts awarded. Sales to customers comprising 10%
         or more of the Company's total revenue are as follows (in thousands):

<TABLE>
<CAPTION>
                                                   Year Ended December 31,
                                                   -----------------------
                                             1995           1996            1997
                                             ----           ----            ----
<S>                                          <C>            <C>             <C>
           Customer A                        52%            57%             46%
           Customer B                        22%            --              --
           Customer C                        --             26%             --
           Customer D                        --             --              21%
</TABLE>






                                       13
<PAGE>   15

                 DICKSON GMP INTERNATIONAL, INC. AND AFFILIATES
                     NOTES TO COMBINED FINANCIAL STATEMENTS



(9)      Retirement Plan

         The Company sponsors a qualified retirement plan whereby employees who
         meet certain eligibility requirements relating to age and length of
         service are entitled to contribute a portion of their compensation
         under a tax deferred arrangement pursuant to section 401(k) of the
         Internal Revenue Code.

         The Company contributes an amount equal to 50% of employee
         contributions up to 1.5% of their base compensation. Matching
         contributions were $53,000, $56,000 and $68,000 in the years ended
         December 31, 1995, 1996 and 1997, respectively. The plan also allows
         discretionary contributions to be made by the Company, which are
         allocated to all eligible employees based on relative compensation.


 (10)    Segments

         The Company operates principally in two geographic segments: the United
         States and Nigeria. Revenues derived from sales generated in Nigeria
         and export sales to Nigeria represent approximately 40%, 55% and 51% of
         total revenues for the years ended December 31, 1995, 1996 and 1997,
         respectively. Other foreign revenue is derived from contracts performed
         for customers primarily in Angola and Venezuela.

         The Company's foreign operations and sales to foreign locations are
         subject to local government regulations and to uncertainties of
         economics and political conditions of those areas. In addition, because
         of the impact of local laws, the Company also conducts some of its
         foreign projects pursuant to arrangements in which local entities
         participate in the project. Revisions to project revenues or costs,
         including those arising from changes or revisions to foreign regulatory
         requirements and revisions to arrangements with local entities, are
         recognized in the period in which the revisions are determined.




                                       14
<PAGE>   16

                 DICKSON GMP INTERNATIONAL, INC. AND AFFILIATES
                     NOTES TO COMBINED FINANCIAL STATEMENTS




(10)     Segments-continued

         The following shows geographic segment information for the three years
         ended December 31, 1997 and for the six month periods ended June 30,
         1997 and 1998 (in thousands):


<TABLE>
<CAPTION>
                                                                                                                    Six Months
                                                           Year Ended December 31                          Ended June 30,
                                                  ------------------------------------------         -------------------------
                                                    1995             1996             1997             1997             1998
                                                  --------         --------         --------         --------         --------
                                                                                                    (Unaudited)      (Unaudited)
<S>                                               <C>              <C>              <C>              <C>              <C>     
Sales to unaffiliated customers:
     United States                                $ 15,645         $ 17,130         $ 18,170         $  6,806         $ 14,571
     Nigeria                                        10,907           25,884           20,921            9,553            7,736
     Angola                                            893              457            5,870            2,394              464
     Venezuela                                       1,862              109             --               --                213
     Kazakhstan                                        528            3,111             --               --               --
     Other Foreign                                    --                319             --               --               --
                                                  ========         ========         ========         ========         ========
                                                  $ 29,835         $ 47,010         $ 44,961         $ 18,753         $ 22,984
                                                  ========         ========         ========         ========         ========

Gross margin:
     United States                                    (878)            (161)           2,843            1,202            1,239
     Nigeria                                         2,168              276            1,266             (218)             756
     Angola                                            (77)              40            1,490              213              147
     Venezuela                                          25             (124)             (51)             (43)             (40)
     Kazakhstan                                        153            1,870             --               --               --
     Other Foreign                                    --                 87             --               --               --
                                                  ========         ========         ========         ========         ========
                                                  $  1,391         $  1,988         $  5,548         $  1,154         $  2,102
                                                  ========         ========         ========         ========         ========
</TABLE>




                                       15
<PAGE>   17

                 DICKSON GMP INTERNATIONAL, INC. AND AFFILIATES
                     NOTES TO COMBINED FINANCIAL STATEMENTS



(10)     Segments-continued

<TABLE>
<S>                                                  <C>            <C>            <C>            <C>            <C>    
Identifiable assets:
     United States                                   $ 8,739        $ 7,360        $ 8,502        $ 6,242        $13,314
     Nigeria                                           1,953          7,624          6,103          6,261          2,048
     Angola                                             --              706          1,650          1,150           --
     Venezuela                                           380           --             --             --               41
     Kazakhstan                                         --             --             --             --             --
     Other Foreign                                      --             --             --             --             --
                                                     =======        =======        =======        =======        =======
                                                     $11,072        $15,690        $16,255        $13,653        $15,403
                                                     =======        =======        =======        =======        =======

Depreciation and amortization:
     United States                                   $   164        $   392        $   436        $   163        $   224
     Nigeria                                              85             54            195             52             95
     Angola                                             --             --             --             --             --
     Venezuela                                          --             --             --             --             --
     Kazakhstan                                         --             --             --             --             --
     Other Foreign                                      --             --             --             --             --
                                                     =======        =======        =======        =======        =======
                                                     $   249        $   446        $   631        $   215        $   319
                                                     =======        =======        =======        =======        =======

Export sales: United States
     to Nigeria                                      $ 1,174        $  --          $ 2,160        $    53        $ 5,412
     to Angola                                         4,234            224           --             --             --
     to Venezuela                                      1,491            138           --             --            4,429
     to all other                                        661           --              851            823           --
                                                     =======        =======        =======        =======        =======
                                                     $ 7,560        $   362        $ 3,011        $   876        $ 9,841
                                                     =======        =======        =======        =======        =======
</TABLE>


(11)     Commitments and Contingent Liabilities

         The Company is fully-insured under a standard workers' compensation
         policy. Prior to January 31, 1997, the Company was in a self-insured
         insurance program under which it was liable for the first $25,000 of
         losses for each workers' compensation or general liability claim.
         Losses in excess of that amount were covered by standard insurance
         contracts which satisfied governmental and customer requirements. As a
         part of this program, the Company executed an irrevocable stand-by
         letter of credit in favor of the insurance company that administered
         the program. The stand-by letter of credit remains at $100,000 through
         March 1, 1999 to cover any potential run-off claims from the
         self-insured workers' compensation policy. All estimated losses for
         accidents incurred through December 31, 1996 and 1997 have been accrued
         in the accompanying balance sheets.

         The Company is party to legal proceedings arising in the normal course
         of business. It is the opinion of management that the outcome of these
         matters will not have a material adverse effect on the Company's
         financial position or results of operations.




                                       16
<PAGE>   18
                 DICKSON GMP INTERNATIONAL, INC. AND AFFILIATES
                     NOTES TO COMBINED FINANCIAL STATEMENTS



(11)     Commitments and Contingent Liabilities-continued

         The Company has entered into a self-insured health insurance program
         under which it is liable for the first $30,000 of health insurance
         claims per year for each employee participating in the plan. Losses in
         excess of that amount are covered by standard insurance. All estimated
         liabilities for claims incurred through December 31, 1997 and 1996,
         have been accrued in the accompanying balance sheets.

         In conjunction with a contract entered into with one of its customers,
         the Company has executed an irrevocable stand-by letter of credit for
         approximately $1,166,000 in favor of the customer. The stand-by letter
         of credit expired on May 15, 1998.

(12)     Subsequent Events

         On September 1, 1998 the Company completed a stock purchase and merger
         agreement (the "Agreements") with TransCoastal Marine Services, Inc.
         and subsidiaries (the "Acquiror"), a publicly traded company, pursuant
         to which the Company would be merged with Acquiror. Under the terms of
         the Agreements the Acquiror will acquire all of the outstanding stock
         of the Company for an initial payment of $10 million in cash and
         1.3 million shares of Acquiror common stock. The Acquiror has
         agreed to pay up to an additional $7.3 million in cash and
         0.4 million shares of the Acquiror if the Company achieves certain 
         performance targets by the third quarter of 1999. As part of the 
         stock purchase and merger agreement, the renewed line of credit 
         discussed in note 5 was canceled on September 1, 1998.


         In August, 1998 affiliate payables of $1,614,000 were converted to
         additional paid in capital.





                                       17
<PAGE>   19


                       TRANSCOASTAL MARINE SERVICES, INC.
              UNAUDITED PRO FORMA CONSOLIDATED FINANCIAL STATEMENTS
                              BASIS OF PRESENTATION


         The following unaudited pro forma consolidated balance sheet and
statements of operations are derived from the consolidated financial statements
included in the TransCoastal Marine Services, Inc. ("TCMS" or "Company") Form
10-K for the year ended December 31, 1997 and Form 10-Q for the six months ended
June 30, 1998. The unaudited pro forma consolidated financial statements give
effect to the acquisition by TCMS of Dickson Marine, Inc.; Ventura Resources,
Inc.; Dickson Nigeria, Ltd.; Servicios y Construcciones Petroleras Ventura,
C.A., and Dickson GMP International, Inc. (the "Dickson Group") during the third
quarter of 1998 and is accounted for using the purchase method of accounting.

The accompanying unaudited pro forma consolidated balance sheet presents the
acquisition of the Dickson Group as if it had occurred on June 30, 1998. The
accompanying unaudited pro forma consolidated statements of operations present
the acquisition of the Dickson Group as if it had occurred on January 1, 1997.
All significant intercompany transactions have been eliminated.

The pro forma adjustments are based on preliminary estimates, available
information and certain assumptions and may be revised, as additional
information becomes available. The pro forma financial data does not purport to
represent what the Company's results of operations would actually have been if
such transaction in fact had occurred on the above dates or to project the
Company's results of operations for any future period. Since TCMS and the
Dickson Group were not under common control or management, historical combined
results may not be comparable to, or indicative of, future performance. The
unaudited pro forma consolidated balance sheet and statements of operations
should be read in conjunction with the Company's annual report and the Form 10-K
and Form 10-Q referred to above.








                                       18
<PAGE>   20


                       TRANSCOASTAL MARINE SERVICES, INC.
                 UNAUDITED PRO FORMA CONSOLIDATED BALANCE SHEET
                                  JUNE 30, 1998
                                 (In Thousands)

<TABLE>
<CAPTION>
                                                                                     DICKSON         PRO FORMA
                ASSETS                                              TCMS              GROUP          ADJUSTMENTS        PRO FORMA
                                                                  ---------         ---------         ---------         ---------
<S>                                                               <C>               <C>               <C>               <C>      
CURRENT ASSETS:
    Cash and cash equivalents                                     $     838         $   1,352         $    --           $   2,190
    Restricted cash and cash equivalents                                                5,691                               5,691
    Receivables, net                                                 30,615             2,114                              32,729
    Cost and estimated earnings in
       excess of billings on uncompleted
       contracts                                                      5,374             2,172                               7,546
    Other                                                             2,324               421                               2,745
                                                                  ---------         ---------         ---------         ---------
       Total current assets                                          39,151            11,750              --              50,901

PROPERTY AND EQUIPMENT, NET                                          86,270             3,500             5,000 (a)        94,770

GOODWILL, NET                                                        69,941              --              11,540 (a)        79,867
                                                                                                         (1,614)(b)
OTHER                                                                 5,912               153                               6,065

                                                                  ---------         ---------         ---------         ---------
       Total assets                                               $ 201,274         $  15,403         $  14,926         $ 231,603
                                                                  =========         =========         =========         =========

             LIABILITIES AND STOCKHOLDERS' EQUITY
CURRENT LIABILITIES:
    Accounts payable                                              $  13,427         $   2,132         $    --           $  15,559
    Accrued expenses                                                  7,516             3,318                              10,834
    Notes payable and current maturities
       of long-term debt                                                605                                                   605
    Billings in excess of costs and
       estimated earnings on uncompleted
       contracts                                                      2,681             5,691                               8,372
    Other                                                               242             1,250                               1,492
                                                                  ---------         ---------         ---------         ---------
       Total current liabilities                                     24,471            12,391              --              36,862

LONG-TERM DEBT                                                       40,391             2,027            10,000 (a)        50,804
                                                                                                         (1,614)(b)
DEFERRED INCOME TAXES                                                18,277              --               2,000 (a)        20,277
                                                                  ---------         ---------         ---------         ---------
       Total liabilities                                             83,139            14,418            10,386           107,943

STOCKHOLDERS' EQUITY:
    Common stock                                                          9               165              (164)(a)            10
    Additional paid-in capital                                      128,375             1,162             4,362 (a)       133,899
    Retained earnings (deficit)                                     (10,287)             (342)              342 (a)       (10,287)
    Net unrealized gain on available-for-sale securities                 38                                                    38
                                                                  ---------         ---------         ---------         ---------
       Total stockholders' equity                                   118,135               985             4,540           123,660

                                                                  ---------         ---------         ---------         ---------
       Total liabilities and stockholders'
       equity                                                     $ 201,274         $  15,403         $  14,926         $ 231,603
                                                                  =========         =========         =========         =========
</TABLE>



    The accompanying notes are an integral part of these unaudited pro forma
                       consolidated financial statements.
                                       19

<PAGE>   21


                       TRANSCOASTAL MARINE SERVICES, INC.
            UNAUDITED PRO FORMA CONSOLIDATED STATEMENT OF OPERATIONS
                      FOR THE YEAR ENDED DECEMBER 31, 1997
                       (In Thousands, Except Share Data)


<TABLE>
<CAPTION>
                                                                     DICKSON       PRO FORMA
                                                        TCMS          GROUP        ADJUSTMENTS         PRO FORMA
                                                     ---------      ---------      -----------         ---------
<S>                                                  <C>            <C>            <C>                 <C>      
REVENUE                                              $  57,517      $  44,961      $         -         $ 102,478
COSTS AND EXPENSES:
    Cost of revenue                                     46,507         38,782                             85,289
    Selling, general and administrative expenses         6,309          1,285             (347)(a)         7,247
    Depreciation and amortization                        2,102            631              962 (b)(d)      3,695
                                                     ---------      ---------      -----------         ---------
                                                        54,918         40,698              615            96,231
                                                     ---------      ---------      -----------         ---------
       Operating income                                  2,599          4,263             (615)            6,247

INTEREST EXPENSE                                          (530)          (635)            (900)(c)        (2,065)
OTHER INCOME (EXPENSE), NET                                475           (129)                              346

                                                     ---------      ---------      -----------         ---------
       Income (Loss) before taxes                        2,544          3,499           (1,515)            4,528

PROVISION FOR INCOME TAXES                                 527              -            1,595 (e)         2,122

                                                     ---------      ---------      -----------         ---------
NET INCOME (LOSS)                                    $   2,017      $   3,499      $    (3,110)        $   2,406
                                                     =========      =========      ===========         =========
PRO FORMA INCOME PER SHARE
    Basic                                            $    0.40                                         $    0.52
                                                     =========                                         =========
    Diluted                                          $    0.40                                         $    0.51
                                                     =========                                         =========
SHARES USED IN COMPUTING PRO FORMA
    INCOME PER SHARE
    Basic                                                3,363                                             4,663
                                                     =========                                         =========
    Diluted                                              3,393                                             4,693
                                                     =========                                         =========
</TABLE>


    The accompanying notes are an integral part of these unaudited pro forma
                       consolidated financial statements.
                                       20

<PAGE>   22


                       TRANSCOASTAL MARINE SERVICES, INC.
            UNAUDITED PRO FORMA CONSOLIDATED STATEMENT OF OPERATIONS
                     FOR THE SIX MONTHS ENDED JUNE 30, 1998
                       (In Thousands, Except Share Data)
<TABLE>
<CAPTION>
                                                                     DICKSON       PRO FORMA
                                                        TCMS          GROUP        ADJUSTMENTS         PRO FORMA
                                                     ---------      ---------      -----------         ---------
<S>                                                  <C>            <C>            <C>                 <C>      
REVENUE                                              $  79,169      $  22,984      $         -         $ 102,153
COSTS AND EXPENSES:
    Cost of revenue                                     60,724         20,562                             81,286
    Selling, general and administrative expenses         6,119            774             (232)(a)         6,661
    Depreciation and amortization                        4,682            319              482 (b)(d)      5,483
                                                     ---------      ---------      -----------         ---------
                                                        71,525         21,655              250            93,430
                                                     ---------      ---------      -----------         ---------
       Operating income                                  7,644          1,329             (250)            8,723

INTEREST EXPENSE                                        (1,663)          (117)            (450)(c)        (2,230)
OTHER INCOME (EXPENSE), NET                                 (1)             3                                  2

                                                     ---------      ---------      -----------         ---------
       Income (Loss) before taxes                        5,980          1,215             (700)            6,495

PROVISION FOR INCOME TAXES                               2,990              -              213 (e)         3,203

                                                     ---------      ---------      -----------         ---------
NET INCOME (LOSS)                                    $   2,990      $   1,215      $      (913)        $   3,292
                                                     =========      =========      ===========         =========
PRO FORMA INCOME PER SHARE
    Basic                                            $    0.33                                         $    0.32
                                                     =========                                         =========
    Diluted                                          $    0.33                                         $    0.31
                                                     =========                                         =========

SHARES USED IN COMPUTING PRO FORMA
    INCOME PER SHARE
    Basic                                                9,148                                            10,448
                                                     =========                                         =========
    Diluted                                              9,162                                            10,462
                                                     =========                                         =========
</TABLE>




    The accompanying notes are an integral part of these unaudited pro forma
                       consolidated financial statements.
                                       21

<PAGE>   23



               TRANSCOASTAL MARINE SERVICES, INC. AND SUBSIDIARIES

         NOTES TO UNAUDITED PRO FORMA CONSOLIDATED FINANCIAL STATEMENTS



1.        UNAUDITED PRO FORMA CONSOLIDATED BALANCE SHEET ADJUSTMENTS:

         a.       Reflects the issuance of 1,300,000 shares of the Company's 
                  common stock at a per share price of $4.25 and the net
                  increase in long-term debt for the cash payment associated
                  with the initial consideration paid to the Dickson Group
                  shareholders. The Company has recorded adjustments for the
                  allocation of the purchase price to property and equipment,
                  goodwill, and deferred income taxes. The equity accounts of
                  the Dickson Group are also eliminated.

         b.       Reflects the contribution of amounts owed to a stockholder to
                  additional paid-in capital immediately prior to acquisition.

2.        UNAUDITED PRO FORMA CONSOLIDATED STATEMENTS OF OPERATIONS ADJUSTMENTS:

         a.       Adjusts compensation to the level the Dickson Group
                  shareholders have agreed to receive as a result of the
                  acquisition and their employment agreements.

         b.       Reflects amortization of goodwill using a 40 year estimated 
                  life.

         c.       Reflects the increase in interest expense attributed to 
                  incremental borrowings.

         d.       Reflects incremental increase in depreciation expense as a
                  result of the increase in the book value of equipment due to
                  the purchase price allocation.

         e.       Reflects the incremental provision for federal and state
                  income taxes relating to the other operating statement
                  adjustments and for income taxes on the Dickson Group S
                  Corporation income.

3.       Shares used in computing pro forma income per share (in thousands):

<TABLE>
<CAPTION>
                                                       Year Ended
                                                       December 31,             Six Months Ended
                                                           1997                   June 30, 1998
                                                     ---------------            ----------------
                                                     Basic   Diluted            Basic    Diluted
                                                     -----   -------            ------   -------
         <S>                                         <C>     <C>                <C>      <C>  
         Historical                                  3,363     3,393             9,148     9,162
         Issued in Connection with
           Acquisition of Dickson Group              1,300     1,300             1,300     1,300
                                                     -----   -------            ------   -------
                                                     4,663     4,693            10,448    10,462
                                                     =====   =======            ======   =======
</TABLE>

4.       CONTINGENT CONSIDERATION:

         Under the terms of the purchase agreement, TCMS is obligated to pay to
         the former Dickson shareholders up to $7.3 million in cash and issue
         400,000 shares of common stock if certain financial targets are
         achieved by Dickson by September 1, 1999. None of the contingent
         consideration is included in these pro forma financial statements.






                                       22

<PAGE>   24


                                   SIGNATURES

         Pursuant to the requirement 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.

Dated: September 15, 1998

                                        TRANSCOASTAL MARINE SERVICES, INC.


                                        By: /s/ JOHNNIE W. DOMINGUE
                                           -------------------------------
                                                Johnnie W. Domingue
                                              Chief Financial Officer
                                       
 
<PAGE>   25


                                 EXHIBIT INDEX

<TABLE>
<CAPTION>
Exhibit
Number                         Description
- -------                        -----------
<S>              <C>       <C>
         10.1    ---       First Amendment to Senior Revolving Credit Agreement
         10.2    ---       First Amendment to Subordinated Credit Agreement
         10.3    ---       Stock Purchase and Merger Agreement
         10.4    ---       First Amendment to Stock Purchase and Merger Agreement
         10.5    ---       Employment  Agreement of Fred E.  Gallander,  Chief  Executive  Officer and President of
                           Dickson GMP International, Inc.
         99.1    ---       News release of the Company  regarding the  acquisition  of Dickson  dated  September 1,
                           1998
</TABLE>

<PAGE>   1





                                                                    EXHIBIT 10.1
THIS FIRST AMENDMENT TO SENIOR REVOLVING CREDIT AGREEMENT (the "First
Amendment") dated as of August 31, 1998, is among TRANSCOASTAL MARINE SERVICES,
INC. (the "Borrower"), each of the lenders that is a signatory thereto or which
becomes a signatory thereto (individually, together with its successors and
assigns, a "Lender" and collectively, the "Lenders") and JOINT ENERGY
DEVELOPMENT INVESTMENTS II LIMITED PARTNERSHIP, agent for the Lenders (in such
capacity, the "Agent").

                               W I T N E S S E T H

         WHEREAS, the Borrower and Lenders entered into that certain Senior
Revolving Credit Agreement (the "Senior Credit Agreement") dated as of October
28, 1997; and

         WHEREAS, the Borrower has entered into that certain Stock Purchase
Agreement and Merger Agreement, dated as of August 1, 1998, among Borrower,
TransCoastal Acquisition, Inc. (the "Acquisition Company"), Dickson GMP
International, Inc., Dickson Marine, Inc., Dickson Nigeria, Ltd., Servicios y
Construcciones Petroleras Ventura, C.A., Ventura Resources, Inc., and the
Shareholders of the Dickson Group (the "Acquisition Agreement"); and

         WHEREAS, in connection with the Acquisition, the Borrower has requested
and the Lenders have agreed to amend certain provisions of the Senior Credit
Agreement; and

         WHEREAS, in consideration of the premises and the mutual covenants
herein contained, for good and valuable consideration, the receipt and
sufficiency of which are hereby acknowledged, the parties hereto agree as
follows:

         Section 1. Defined terms. All capitalized terms which are defined in
the Senior Credit Agreement, but which are not defined in this First Amendment,
shall have the same meanings as defined in the Senior Credit Agreement. Unless
otherwise indicated, all sections referenced in this First Amendment refer to
the Senior Credit Agreement.

         Section 2.        Amendments to the Senior Credit Agreement.

         2.1      Section 1.02 is amended by replacing in its entirety the 
                  following definition:

         "Termination Date" shall mean, unless the Commitments are sooner
         terminated pursuant to Section 2.03(b) or 10.02 hereof, January 31,
         2000.

         2.2      Section 9.12 is restated in its entirety to read as follows:
         The Borrower will not make any expenditures for fixed or capital assets
         (including the allocated principal portion of capital lease payments)
         if, after giving effect thereto, the aggregate of all such expenditures
         and amounts would exceed $7,000,000 during any fiscal year and provided
         any such expenditures in excess of $2,000,000 shall require the prior
         written approval of the Majority Lenders. To the extent 


<PAGE>   2


         approval for a capital expenditure has been obtained as aforesaid such
         expenditure shall not be included in the $7,000,000 limit.

         2.3      Section 8.01(h) is restated in its entirety to read as 
                  follows:

                  (h) Promptly upon their becoming available, (i) monthly
         updates to the Borrower's annual budget and within 45 days after the
         end of each month, variance analysis and (ii) within 25 days after the
         end of each month, a report of the current backlog (including a summary
         of all contracts, amounts, dates, counterparties and type of work) as
         at the end of such month, in form and substance reasonably satisfactory
         to the Agent.

         2.4      Section 9.07 is restated in its entirety to read as follows:

                  Section 9.07 Limitation on Leases. Neither the Borrower nor
         any Subsidiary will create, incur, assume or suffer to exist any
         obligation for the payment of rent or hire of Property of any kind
         whatsoever (real or personal including capital leases), under leases or
         lease agreements which would cause the aggregate amount of all payments
         made by the Borrower and the Subsidiaries pursuant to all such leases
         or lease agreements to exceed $1,200,000 in any period of twelve
         consecutive calendar months during the life of such leases (excluding
         any leases in effect on August 31, 1998 that were entered into by
         Dickson GMP International, Inc.
         or any Subsidiary thereof).

         2.5      Section 10.01 is amended by restating Section 10.01(j) in its
                  entirety as follows:

                  (j)(i) if any Person or Persons constituting a group (as such
         term is used in Rule 13d-5 under the Exchange Act as in effect on the
         date hereof) shall, in the aggregate, directly or indirectly, control
         or own (beneficially or otherwise) more than 30% (by number of shares)
         of the issued and outstanding voting stock of the Borrower, or (ii) 50%
         of the individuals who, as of the date hereof, constitute the
         Borrower's board of directors (together with any new director whose
         election by the Company's stockholders was approved by a vote of at
         least two-thirds of the directors then still in office who either were
         directors at the beginning of such period or whose election or
         nominations for election was previously so approved) cease for any
         reason to constitute a majority of the Borrower's board of directors
         then in office; or

         2.6      Section 10.01 is amended by  redesignating  Section  10.01(l)
                  as Section 10.01(k) and inserting a new Section 10.01(l) as 
                  follows:

                  (l) the Borrower fails to deliver, on or before September 14,
         1998, a legal opinion, in form and substance satisfactory to the Agent
         from D'Amato & Lynch concerning the First Amendment.


                                      -2-

<PAGE>   3

         Section 3. Representations and Warranties. The Borrower hereby affirms
that as of the date of execution and delivery of this First Amendment, except as
affected by the transactions contemplated in this First Amendment, all
representations and warranties contained in the Senior Credit Agreement are true
and correct in all material respects as though made on and as of the date hereof
and no Default or Event of Default shall have occurred and be continuing.

         Section 4. Effectiveness. This First Amendment shall be effective, as
of the date first written above, upon the satisfaction of the following
conditions:

                  (a) A certificate of the Secretary or Assistant Secretary of
         each of the Borrower and the Acquisition Company setting forth (i)
         resolutions of its board of directors with respect to the
         authorizations of the Borrower and the Acquisition Company as the case
         may be, to execute and deliver (x) this First Amendment and/or the
         other Loan Documents to which it is a party, and (y) the Acquisition
         Agreement, (ii) the officers of the Borrower and the Acquisition
         Company who are authorized to sign the Loan Documents to which Borrower
         or Acquisition Company is a party, (iii) specimen signatures of the
         authorized officers, and (iv) the articles or certificate of
         incorporation and bylaws of the Acquisition Company, certified as being
         true and complete.

                  (b) Certificates of the appropriate state agencies with
         respect to the existence, qualifications, and good standing of the
         Borrower and the Acquisition Company, and in the case of the
         Acquisition Company, the Certificate of Merger (as such term is defined
         in the Acquisition Agreement).

                  (c) The Security Instruments described in Exhibit A, hereto
         duly completed and executed in sufficient number of counterparts for
         recording, if necessary.

                  (d) A certificate of insurance coverage for the Acquisition
         Company, evidencing the insurance required pursuant to Section 7.19 of
         the Senior Credit Agreement.

                  (e) Payment of the fee required under Section 6 hereof.

                  (f) Execution of documents contemplated by the Acquisition
         Agreement.

                  (g) A copy of the letter from the Federal Trade Commission
         notifying the Borrower of the termination of the waiting period under
         the Hart-Scott-Rodino Antitrust Improvement Act of 1976, as amended.

         Section 5.   Reference to and Effect on Senior Credit Agreement.

                  (a) On or after the date first written above, each reference
         in the Senior Credit Agreement to "this Agreement," "hereunder,"
         "hereof," "herein," or words of like import, and each reference to the
         Senior Credit Agreement in any certificate or other document or
         instrument delivered in connection therewith, shall mean and be a
         reference to the Senior Credit Agreement as amended hereby.


                                      -3-

<PAGE>   4

                  (b) Except as specifically amended above, the Senior Credit
         Agreement is and shall continue to be in full force and effect and is
         hereby ratified and confirmed.

         Section 6.   Restructuring Fee. The Borrower agrees to pay on the date
hereof a $175,000 restructuring fee to the Agent in connection with the
preparation, execution, and delivery of this First Amendment.

         Section 7.   Counterparts. This First Amendment may be executed by one
or more of the parties hereto in any number of separate counterparts, and all of
such counterparts taken together shall be deemed to constitute one and the same
instrument.

         Section 8.   No Oral Agreement. THIS WRITTEN FIRST AMENDMENT AND THE
OTHER DOCUMENTS EXECUTED IN CONNECTION HEREWITH REPRESENT THE FINAL AGREEMENT
BETWEEN THE PARTIES AND MAY NOT BE CONTRADICTED BY EVIDENCE OF PRIOR,
CONTEMPORANEOUS, OR SUBSEQUENT ORAL AGREEMENTS OF THE PARTIES. THERE ARE NO
OTHER UNWRITTEN ORAL AGREEMENTS BETWEEN THE PARTIES.

         Section 9.   GOVERNING LAW. THIS FIRST AMENDMENT SHALL BE GOVERNED BY,
AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK, OTHER THAN
THE CONFLICT OF LAWS RULES THEREOF. ALL CONTROVERSIES OR CLAIMS BETWEEN OR AMONG
THE PARTIES HERETO SHALL BE DETERMINED IN THE MANNER PROVIDED IN THE SENIOR
CREDIT AGREEMENT.


                        [Signature Pages Begin Next Page]


                                      -4-

<PAGE>   5



         The parties hereto have caused this First Amendment to be duly executed
as of the day and year first above written.

BORROWER:                   TRANSCOASTAL MARINE SERVICES, INC.


                                By:
                                Name:
                                Title:


LENDER AND AGENT:              JOINT ENERGY DEVELOPMENT 
                               INVESTMENTS II LIMITED 
                               PARTNERSHIP

                               By:  Enron   Capital    Management   II   Limited
                                    Partnership, its sole general partner

                               By:  Enron  Capital  II Corp.,  its sole  general
                                    partner


                                    By:
                                    Name:
                                    Title:


                               Signature Page - 1


<PAGE>   6



                                    EXHIBIT A


1.       Undated Stock Powers and Stock Certificates of Acquisition Company

2.       Security Agreement executed by Acquisition Company covering Stock

3.       First Amendment to Guaranty Agreement dated November 14, 1997

4.       Security Agreement (First Priority) executed by Acquisition Company
         covering accounts, etc.

5.       Financing Statements executed by Acquisition Company with respect to
         items 2 and 4 above

6.       First Supplement to Security Agreement (Stock) executed by the Borrower
         pledging the stock of Acquisition Company

7.       Financing Statement Amendment executed by the Acquisition Company and
         the Agent with respect to item 6 above

8.       Undated Stock Power and Stock Certificate of Acquisition Company in the
         name of the Borrower



                                  Exhibit A-1

<PAGE>   1
                                                                    EXHIBIT 10.2

         THIS FIRST AMENDMENT TO SUBORDINATED CREDIT AGREEMENT (the "First
     Amendment") dated as of August 31, 1998, is among TRANSCOASTAL MARINE
     SERVICES, INC. (the "Borrower"), each of the lenders that is a signatory
     thereto or which becomes a signatory thereto (individually, together with
     its successors and assigns, a "Lender" and collectively, the "Lenders") and
     JOINT ENERGY DEVELOPMENT INVESTMENTS II LIMITED PARTNERSHIP, agent for the
     Lenders (in such capacity, the "Agent").

                               W I T N E S S E T H

         WHEREAS, the Borrower and Lenders entered into that certain
     Subordinated Credit Agreement (the "Subordinated Credit Agreement") dated
     as of October 28, 1997; and

         WHEREAS, the Borrower has entered into that certain Stock Purchase
     Agreement and Merger Agreement, dated as of August 1, 1998, among Borrower,
     TransCoastal Acquisition, Inc. (the "Acquisition Company"), Dickson GMP
     International, Inc., Dickson Marine, Inc., Dickson Nigeria, Ltd., Servicios
     y Construcciones Petroleras Ventura, C.A., Ventura Resources, Inc., and the
     Shareholders of the Dickson Group (the "Acquisition Agreement"); and

         WHEREAS, in connection with the Acquisition, the Borrower has requested
     and the Lenders have agreed to amend certain provisions of the Subordinated
     Credit Agreement; and

         WHEREAS, in consideration of the premises and the mutual covenants
     herein contained, for good and valuable consideration, the receipt and
     sufficiency of which are hereby acknowledged, the parties hereto agree as
     follows:

         Section 1. Defined terms. All capitalized terms which are defined in
     the Subordinated Credit Agreement, but which are not defined in this First
     Amendment, shall have the same meanings as defined in the Subordinated
     Credit Agreement. Unless otherwise indicated, all sections referenced in
     this First Amendment refer to the Subordinated Credit Agreement.

         Section 2. Amendments to the Subordinated Credit Agreement.

2.1  Section 1.02 is amended by deleting in its entirety the definition of
     "Discretionary Amount."

2.2  Section 1.02 is amended by restating in its entirety the definition of
     "Applicable Margin" as follows:

"Applicable Margin" shall mean (i) one and one-fourth of one percent (1.25%) per
annum with respect to Base Rate Loans; and (ii) three and three-fourths of one
percent (3.75%) per annum with respect to Eurodollar Loans.

2.3  Section 1.02 is amended by restating in its entirety the definition of
     "Aggregate Maximum Credit Amounts" as follows:

"Aggregate Maximum Credit Amounts" at any time shall equal the sum of the
Maximum Credit Amounts of the Lenders ($20,000,000), as the same may be reduced
pursuant to Section 2.03(c).

2.4  Section 2.03 is restated in its entirety to read as follows:
<PAGE>   2

         (a) The Aggregate Commitments shall at all times be equal to the lesser
of (i) the Aggregate Maximum Credit Amounts after adjustments resulting from
reductions pursuant to Section 2.03(c) hereof or (ii) the Available Amount as
determined from time to time.

         (b) The Available Amount as of the Effective Date shall be $20,000,000.

         (c) The Borrower shall have the right to terminate or to reduce the
amount of either the Aggregate Maximum Credit Amounts at any time or from time
to time upon not less than three (3) Business Days' prior notice to the Agent
(which shall promptly notify the Lenders) of each such termination or reduction,
which notice shall specify the effective date thereof and the amount of any such
reduction (which shall not be less than $5,000,000 or any whole multiple of
$1,000,000 in excess thereof) and shall be irrevocable and effective only upon
receipt by the Agent).

2.5      Section 8.01(h) is restated in its entirety to read as follows:

         (h) Promptly upon their becoming available, (i) monthly updates to the
Borrower's annual budget and within 45 days after the end of each month,
variance analysis and (ii) within 25 days after the end of each month, a report
of the current backlog (including a summary of all contracts, amounts, dates,
counterparties and type of work) as at the end of such month, in form and
substance reasonably satisfactory to the Agent.

2.6      Section 9.07 is restated in its entirety to read as follows:

         Section 9.07 Limitation on Leases. Neither the Borrower nor any
Subsidiary will create, incur, assume or suffer to exist any obligation for the
payment of rent or hire of Property of any kind whatsoever (real or personal
including capital leases), under leases or lease agreements which would cause
the aggregate amount of all payments made by the Borrower and the Subsidiaries
pursuant to all such leases or lease agreements to exceed $1,200,000 in any
period of twelve consecutive calendar months during the life of such leases
(excluding any leases in effect on August 31, 1998 that were entered into by
Dickson GMP International, Inc., or any subsidiary thereof).

2.7      Section 9.12 is restated in its entirety to read as follows:

         The Borrower will not make any expenditures for fixed or capital assets
(including the allocated principal portion of capital lease payments) if, after
giving effect thereto, the aggregate of all such expenditures and amounts would
exceed $7,000,000 during any fiscal year and provided any such expenditures in
excess of $2,000,000 shall require the prior written approval of the Majority
Lenders. To the extent approval for a capital expenditure has been obtained as
aforesaid such expenditure shall not be included in the $7,000,000 limit.

2.8      Section 10.01 is amended by restating Section 10.01(j) in its entirety 
         as follows:

         (j)(i) if any Person or Persons constituting a group (as such term is
used in Rule 13d-5 under the Exchange Act as in effect on the date hereof)
shall, in the aggregate, directly or indirectly, control or own (beneficially or
otherwise) more than 30% (by number of shares) of the issued and outstanding
voting stock of the Borrower, or (ii) 50% of the individuals who, as of the date
hereof, constitute the Borrower's board of directors (together with any new
director whose election by the Company's stockholders was approved by a vote of
at least two-thirds of the 


                                      -2-
<PAGE>   3

directors then still in office who either were directors at the beginning of
such period or whose election or nomination for election was previously so
approved) cease for any reason to constitute a majority of the Borrower's board
of directors then in office; or

2.09 Subsection 10.01 is amended by redesignating Section 10.01(l) as Section
     10.01(k) and inserting a new Section 10.01(l) as follows:

         (l) the Borrower fails to deliver, on or before September 14, 1998, a
legal opinion, in form and substance satisfactory to the Agent from D'Amato &
Lynch concerning the First Amendment.

2.10 Annex I to the Credit Agreement is deleted in its entirety and replaced
     with Annex I as set forth in Exhibit A hereto.

Section 3.  Representations and Warranties. The Borrower hereby affirms that as
     of the date of execution and delivery of this First Amendment, except as
     affected by the transactions contemplated in this First Amendment, all
     representations and warranties contained in the Subordinated Credit
     Agreement are true and correct in all material respects as though made on
     and as of the date hereof and no Default or Event of Default shall have
     occurred and be continuing.

Section 4.  Effectiveness. This First Amendment shall be effective, as of the
     date first written above, upon the satisfaction of the following
     conditions:

         (a) A certificate of the Secretary or Assistant Secretary of each of
     the Borrower and the Acquisitions Company setting forth (i) resolutions of
     its board of directors with respect to the authorizations of the Borrower
     and the Acquisition Company, as the case may be, to execute and deliver (x)
     this First Amendment and/or the other Loan Documents to which it is a
     party, and (y) the Acquisition Agreement, (ii) the officers of the Borrower
     and the Acquisition Company who are authorized to sign the Loan Documents
     to which Borrower or Acquisition Company is a party, (iii) specimen
     signatures of the authorized officers, and (iv) the articles or certificate
     of incorporation and bylaws of the Acquisition Company, certified as being
     true and complete.

         (b) Certificates of the appropriate state agencies with respect to the
     existence, qualifications, and good standing of the Borrower and the
     Acquisition Company, and in the case of the Acquisition Company, the
     Certificate of Merger (as such term is defined in the Acquisition
     Agreement).

         (c) The Security Instruments described in Exhibit B, hereto duly
     completed and executed in sufficient number of counterparts for recording,
     if necessary.

         (d) A certificate of insurance coverage for the Acquisition Company,
     evidencing the insurance required pursuant to Section 7.19 of the
     Subordinated Credit Agreement.

         (e) Payment of the fee required under Section 6 hereof.

                                      -3-
<PAGE>   4

         (f) Execution and delivery of the Amended and Restated Note in the form
     set forth on Exhibit C.

         (g) Execution of the documents contemplated by the Acquisition
     Agreement.

(h)  A copy of the letter from the Federal Trade Commission notifying the
     Borrower of the termination of the waiting period under the
     Hart-Scott-Rodino Antitrust Improvement Act of 1976, as amended.

Section 5.  Reference to and Effect on Subordinated Credit Agreement.

(a)  On or after the date first written above, each reference in the
     Subordinated Credit Agreement to "this Agreement," "hereunder," "hereof,"
     "herein," or words of like import, and each reference to the Subordinated
     Credit Agreement in any certificate or other document or instrument
     delivered in connection therewith, shall mean and be a reference to the
     Subordinated Credit Agreement as amended hereby.

(b)  Except as specifically amended above, the Subordinated Credit Agreement is
     and shall continue to be in full force and effect and is hereby ratified
     and confirmed.

Section 6. Restructuring Fee. The Borrower agrees to pay the restructuring fee
     as stated in the First Amendment to the Senior Credit Agreement in
     connection with the preparation, execution, and delivery of this First
     Amendment.

Section 7. Counterparts. This First Amendment may be executed by one or more of
     the parties hereto in any number of separate counterparts, and all of such
     counterparts taken together shall be deemed to constitute one and the same
     instrument.

Section 8. No Oral Agreement. THIS WRITTEN FIRST AMENDMENT AND THE OTHER
     DOCUMENTS EXECUTED IN CONNECTION HEREWITH REPRESENT THE FINAL AGREEMENT
     BETWEEN THE PARTIES AND MAY NOT BE CONTRADICTED BY EVIDENCE OF PRIOR,
     CONTEMPORANEOUS, OR SUBSEQUENT ORAL AGREEMENTS OF THE PARTIES. THERE ARE NO
     OTHER UNWRITTEN ORAL AGREEMENTS BETWEEN THE PARTIES.

Section 9. GOVERNING LAW. THIS FIRST AMENDMENT SHALL BE GOVERNED BY, AND
     CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK, OTHER THAN
     THE CONFLICT OF LAWS RULES THEREOF. ALL CONTROVERSIES OR CLAIMS BETWEEN OR
     AMONG THE PARTIES HERETO SHALL BE DETERMINED IN THE MANNER PROVIDED IN THE
     SUBORDINATED CREDIT AGREEMENT.


                        [Signature Pages begin next Page]




                                      -4-
<PAGE>   5


The parties hereto have caused this First Amendment to be duly executed as of
     the day and year first above written.

BORROWER:                   TRANSCOASTAL MARINE SERVICES, INC.
                            
                            
                                 By:
                                 Name:
                                 Title:
                            
                            
LENDER AND AGENT:                JOINT ENERGY DEVELOPMENT INVESTMENTS II
                                          LIMITED PARTNERSHIP
                            
                            
                                 By:  Enron Capital Management II Limited 
                                                Partnership, its sole general 
                                                partner
                            
                                 By:  Enron Capital II Corp., its sole 
                                                general partner
                            
                            
                                      By:
                                      Name:
                                      Title:
                            



                               Signature Page - 1
<PAGE>   6

                                    EXHIBIT A

                         LIST OF MAXIMUM CREDIT AMOUNTS


<TABLE>
<CAPTION>
NAME OF LENDER                           PERCENTAGE SHARE                MAXIMUM CREDIT AMOUNT
- --------------                           ----------------                ---------------------
<S>                                          <C>                             <C>        
Joint Energy Development
  Investments II Limited Partnership          100%                            $20,000,000
</TABLE>




                                  Exhibit A-1
<PAGE>   7



                                    EXHIBIT B



1.   Pledge and Security Agreement (Bailment Agreement) executed by Acquisition
          Company covering stock

2.   First Amendment to Guaranty Agreement dated November 14, 1997

3.   Security Agreement (Subordinated) executed by Acquisition Company covering
          accounts, etc.

4.   Financing Statement executed by Acquisition Company with respect to item 3
          above

5.   First Supplement to Security Agreement (Stock) executed by the Borrower
          pledging the stock of Acquisition Company




                                  Exhibit B-1
<PAGE>   8

                                    EXHIBIT C

                            AMENDED AND RESTATED NOTE


$20,000,000.00                                                   August 31, 1998


FOR VALUE RECEIVED, TRANSCOASTAL MARINE SERVICES, INC., a Delaware corporation
     (the "Borrower") hereby promises to pay to the order of JOINT ENERGY
     DEVELOPMENT INVESTMENTS II LIMITED PARTNERSHIP (the "Lender"), at the
     account of JOINT ENERGY DEVELOPMENT INVESTMENTS II LIMITED PARTNERSHIP, a
     Delaware limited partnership ("Agent"), at Citibank, N.A. 111 Wall Street,
     New York, New York, Account Number 4065-5378, ABA Number 021000089, the
     principal sum of Twenty Million Dollars ($20,000,000.00) (or such lesser
     amount as shall equal the aggregate unpaid principal amount of the Loans
     made by the Lender to the Borrower under the Subordinated Credit Agreement,
     as hereinafter defined), in lawful money of the United States of America
     and in immediately available funds, on the dates and in the principal
     amounts provided in the Subordinated Credit Agreement, and to pay interest
     on the unpaid principal amount of each such Loan, at such office, in like
     money and funds, for the period commencing on the date of such Loan until
     such Loan shall be paid in full, at the rates per annum and on the dates
     provided in the Subordinated Credit Agreement.

The date, amount, Type, interest rate, Interest Period and maturity of each
     Loan made by the Lender to the Borrower, and each payment made on account
     of the principal thereof, shall be recorded by the Lender on its books and,
     prior to any transfer of this Note, may be endorsed by the Lender on the
     schedules attached hereto or any continuation thereof or on any separate
     record maintained by the Lender.

This Note is the Amended and Restated Promissory Note referred to in the Credit
     Agreement dated as of October 28, 1997, as amended by the First Amendment
     to Credit Agreement dated as of August 31, 1998, among the Borrower, the
     Lenders which are or become party thereto (including Joint Energy
     Development Investments Limited Partnership, predecessor of the Lender) and
     the Agent thereunder (such Credit Agreement as the same may be amended or
     supplemented from time to time, the "Credit Agreement") and is issued in
     replacement of that certain Promissory Note dated October 28, 1997,
     executed by the Borrower and made payable to Lender (the "Prior Note").
     Nothing herein contained shall be construed (a) to be a novation of the
     Prior Note or (b) to release, cancel, terminate or otherwise impair the
     status or priority of the liens or security for the Prior Note. Further,
     the Borrower acknowledges and agrees that this Note shall not be considered
     a new contract, and that all rights, titles, powers, liens, security
     interests and estates created by or under any security document or other
     agreement executed in connection with the Credit Agreement or securing the
     Prior Note shall continue without interruption in full force and effect.
     Capitalized terms used in this Note have the respective meanings assigned
     to them in the Subordinated Credit Agreement.


                                  Exhibit C-1
<PAGE>   9

This Note is issued pursuant to the Subordinated Credit Agreement and is
     entitled to the benefits provided for in the Subordinated Credit Agreement
     and the Security Instruments. The Subordinated Credit Agreement provides
     for the acceleration of the maturity of this Note upon the occurrence of
     certain events, for prepayments of Loans upon the terms and conditions
     specified therein and other provisions relevant to this Note.

THIS NOTE (INCLUDING, BUT NOT LIMITED TO, THE VALIDITY AND ENFORCEABILITY
     HEREOF) SHALL BE GOVERNED BY, AND CONSTRUED IN ACCORDANCE WITH, THE LAWS OF
     THE STATE OF NEW YORK, OTHER THAN THE CONFLICT OF LAWS RULES THEREOF.

                                    TRANSCOASTAL MARINE SERVICES, INC.


                                    By:
                                    Name:
                                    Title:



                                  Exhibit C-2

<PAGE>   1
                                                                    EXHIBIT 10.3




                      STOCK PURCHASE AND MERGER AGREEMENT


                                     AMONG


                       TRANSCOASTAL MARINE SERVICES, INC.

                         TRANSCOASTAL ACQUISITION, INC.

                                      AND

                        DICKSON GMP INTERNATIONAL, INC.

                              DICKSON MARINE, INC.

                             DICKSON NIGERIA, LTD.

              SERVICIOS Y CONSTRUCCIONES PETROLERAS VENTURA, C.A.

                            VENTURA RESOURCES, INC.

                                      AND

                      THE SHAREHOLDER OF THE DICKSON GROUP


                                 AUGUST 1, 1998
<PAGE>   2
                                                                               i




                               TABLE OF CONTENTS

<TABLE>
<CAPTION>
                                                                                                                     PAGE
                                                                                                                     ----

<S>      <C>                                                                                                           <C>
                                                        ARTICLE I

                                                       DEFINITIONS


                                                        ARTICLE II

                                            PURCHASE, SALE AND MERGER; CLOSING

2.01     The Merger                                                                                                     1
2.02     Transfer of Stock                                                                                              2
2.03     Purchase Price                                                                                                 3
2.04     Closing                                                                                                        3
2.05     Assumption of Debts and Liabilities                                                                            4
2.06     Deliveries at Closing                                                                                          4
2.07     Contingent Consideration                                                                                       4
2.08     Calculation and Payment of Contingent Consideration                                                            5

                                                       ARTICLE III

                                              REPRESENTATIONS AND WARRANTIES
                                                    OF THE SHAREHOLDER

3.01     Good Title                                                                                                     7
3.02     Authorization and Validity of Agreements                                                                       7
3.03     No Withholding                                                                                                 7

                                                        ARTICLE IV

                                          REPRESENTATIONS AND WARRANTIES OF THE
                                  DICKSON GROUP AND THE SHAREHOLDER AND EACH TRANSFEREE

4.01     Organization                                                                                                   8
4.02     Qualification                                                                                                  8
4.03     Authority; Enforceability                                                                                      8
4.04     Consents; Absence of Conflicts                                                                                 8
4.05     Capitalization of the Dickson Group; Transfer of Shares                                                        9
4.06     Equity Investments and Affiliates                                                                              9
4.07     Absence of Changes                                                                                             9
4.08     Affiliate Transactions                                                                                        11
4.09     Real Property                                                                                                 11
4.10     Tangible Personal Property                                                                                    12
</TABLE>
<PAGE>   3
                                                                              ii


<TABLE>
<S>      <C>                                                                                                           <C>
4.11     Permits                                                                                                       12
4.12     Contracts                                                                                                     13
4.13     Intellectual Property                                                                                         14
4.14     Accounts Receivable                                                                                           15
4.15     Brokers' Fees                                                                                                 16
4.16     Financial Statements                                                                                          16
4.17     Legal Compliance                                                                                              16
4.18     Taxes                                                                                                         16
4.19     Inventory                                                                                                     18
4.20     Litigation                                                                                                    18
4.21     Product and Service Warranty                                                                                  18
4.22     Employees; Employee Relations                                                                                 19
4.23     Employee Benefit Matters                                                                                      20
4.24     Environmental Matters                                                                                         23
4.25     Customers, Vendors and Suppliers                                                                              25
4.26     Bank Accounts                                                                                                 25
4.27     Insurance                                                                                                     25
4.28     Books and Records                                                                                             25
4.29     Certain Payments                                                                                              26
4.30     Investment                                                                                                    26

                                                        ARTICLE V

                                     REPRESENTATIONS AND WARRANTIES OF THE ACQUIROR
                                                  AND ACQUISITION CORP.

5.01     Organization                                                                                                  26
5.02     Qualification                                                                                                 26
5.03     Authority; Enforceability                                                                                     26
5.04     Consents; Absence of Conflicts                                                                                27
5.05     Capitalization of the Acquiror                                                                                27
5.06     Reports; Financial Statements                                                                                 27
5.07     Absence of Certain Changes or Events                                                                          28
5.08     Representations as to Shares Issued                                                                           28
5.09     Brokers' Fees                                                                                                 28

                                                        ARTICLE VI

                                    COVENANTS OF THE DICKSON GROUP AND THE SHAREHOLDER

6.01     Affirmative Covenants of the Dickson Group and the Shareholder                                                28
6.02     Negative Covenants of the Dickson Group and the Shareholder                                                   29
</TABLE>
<PAGE>   4
                                                                             iii



<TABLE>
<S>      <C>                                                                                                           <C>
                                                       ARTICLE VII

                                               COVENANTS OF THE SHAREHOLDER

7.01     Covenants of the Shareholder                                                                                  31

                                                       ARTICLE VIII

                                                  ADDITIONAL AGREEMENTS

8.01     Notification of Certain Matters                                                                               32
8.02     Access and Information                                                                                        32
8.03     Appropriate Action; Consents; Filings                                                                         33
8.04     Public Announcements                                                                                          34
8.05     Expenses                                                                                                      34
8.06     Board of Directors; Employment Agreements                                                                     34
8.07     Transfer Taxes                                                                                                34
8.08     Conduct of Business During Earn-Out Period                                                                    34
8.09     Tax Reports                                                                                                   35
8.10     No Name Change of Dickson GMP or Location                                                                     35

                                                        ARTICLE IX

                                                     INDEMNIFICATION

9.01     By Shareholder                                                                                                35
9.02     By Acquiror and Acquisition Corp.                                                                             36
9.03     Defense of Third Party Claims                                                                                 36
9.04     Waiver                                                                                                        37
9.05     Required Setoff                                                                                               37
9.06     Basket                                                                                                        37
9.07     Termination of Representations, Warranties and Indemnities                                                    38

                                                        ARTICLE X

                                                        CONDITIONS

10.01    Conditions Precedent to Obligations of Each Party                                                             38
10.02    Conditions Precedent to Obligations of Acquiror                                                               39
10.03    Conditions Precedent to Obligations of the Shareholder                                                        40
</TABLE>
<PAGE>   5
                                                                              iv

<TABLE>
<S>                                                                                                                    <C>
                                                        ARTICLE XI

                                                      MISCELLANEOUS

11.01    Termination                                                                                                   41
11.02    Effect of Termination                                                                                         41
11.03    Waiver and Amendment                                                                                          41
11.04    Entire Agreement; Third Party Beneficiaries                                                                   42
11.05    Assignment                                                                                                    42
11.06    Notices                                                                                                       43
11.07    Governing Law                                                                                                 45
11.08    Severability                                                                                                  45
11.09    Counterparts                                                                                                  45
11.10    Headings                                                                                                      45
11.11    Specific Performance                                                                                          45
11.12    FORUM                                                                                                         45
11.13    Further Assurances                                                                                            46
11.14    Texas Deceptive Trade Practices Act                                                                           46


EXHIBITS:

         Exhibit A        --      Definitions
         Exhibit B        --      Form of Escrow Agreement
         Exhibit C        --      Form of Gallander Employment Agreement
         Exhibit D        --      Form of Gariepy Employment Agreement
         Exhibit E        --      Form of Wright Employment Agreement
         Exhibit F        --      Form of Frantom Employment Agreement
         Exhibit G        --      Form of Registration Rights Agreement
         Exhibit H        --      (Intentionally Blank)
         Exhibit I       --      Form of Appointment of Shareholder Representative

         Annex I          --      Determination of Adjusted EBTDA
         Annex II         --      Calculation of Earn-Out Payment
         Annex III        --      Disclosure Schedules
         Annex IV         --      Principal Terms of Preferred Stock
</TABLE>
<PAGE>   6
                                                                               1

                      STOCK PURCHASE AND MERGER AGREEMENT

         This Stock Purchase and Merger Agreement (the "Agreement") is made and
entered into as of the 1st day of August, 1998 by and among TransCoastal Marine
Services, Inc., a Delaware corporation ("Acquiror"), and TransCoastal
Acquisition, Inc., a Louisiana corporation, ("Acquisition Corp."); Dickson GMP
International, Inc., a Louisiana corporation ("Dickson GMP"); Dickson Marine,
Inc., a Louisiana corporation ("Dickson Marine"); Dickson Nigeria, Ltd., a
Nigerian corporation ("Dickson Nigeria"); Servicios y Construcciones Petroleras
Ventura, C.A., a Venezuelan corporation ("Servicios y Construcciones"); Ventura
Resources, Inc., a Louisiana corporation ("Ventura"), (Dickson GMP, Dickson
Marine, Dickson Nigeria, Servicios y Construcciones and Ventura being referred
to individually or collectively as the "Dickson Group"); and Fred E. Gallander,
Jr.  ("Gallander" or "Shareholder"); The spouse of the Shareholder is joining
in and consenting to the execution of the Agreement.  Paul T. Gariepy, Jr.
("Gariepy"), Bobby J. Frantom ("Frantom") and Thomas G. Wright ("Wright"), each
a potential Transferee, if assigned stock in the Dickson Group pursuant to
Section 11.05, also join in this Agreement and, together with Gallander are
referred to collectively as "Shareholder."

         WHEREAS, as of the date hereof the Shareholder is the record and
beneficial owner of all of the issued and outstanding shares of capital stock
or its equivalent of the various entities that comprise the Dickson Group
("Dickson Shares"); and

         WHEREAS, pursuant to the terms and subject to the conditions set forth
in this Agreement, the Shareholder desires to transfer to Acquiror and/or
Acquisition Corp. through merger of Dickson GMP into Acquisition Corp., and by
sale to Acquiror of all the issued and outstanding Dickson Shares owned by such
Shareholder in the other members of the Dickson Group, and Acquiror and
Acquisition Corp. desire to acquire all of the issued and outstanding Dickson
Shares through such merger and purchase;

         NOW, THEREFORE, in consideration of the mutual representations,
warranties, covenants and agreements herein contained, and other good and
valuable consideration, the receipt and sufficiency of which are hereby
acknowledged, the parties hereto agree as follows:

                                   ARTICLE I

                                  DEFINITIONS

         Capitalized terms used in this Agreement but not defined in the body
hereof shall have the meanings ascribed to them in Exhibit "A."  Capitalized
terms defined in the body of this Agreement are listed in Exhibit "A" by
location herein.
<PAGE>   7
                                                                               2

                                   ARTICLE II

                       PURCHASE, SALE AND MERGER; CLOSING

         2.01    THE MERGER.  Upon the terms and subject to the conditions of
this Agreement, the following transaction shall take place concurrently with
and on the Closing Date:

                 (a)      Dickson GMP and Acquisition Corp. shall enter into a
         merger transaction (the "Merger") pursuant to which Dickson GMP shall
         be merged with and into Acquisition Corp. upon the terms and
         conditions hereinafter set forth and as permitted in accordance with
         Section 112 of the Louisiana Business Corporation Law, effective as of
         the effective date of the filing of the Certificate of Merger (the
         "Certificate of Merger") as contemplated hereunder.  Thereupon, the
         separate existence of Dickson GMP shall cease and Acquisition Corp.,
         as the surviving corporation (the "Surviving Corporation"), shall
         continue to exist in accordance with the Louisiana Business
         Corporation Law.

                 (b)      Pursuant to the Merger, the Shareholder, as the
         record and beneficial owner of all of the issued and outstanding
         shares of capital stock of Dickson GMP shall surrender such shares to
         the Surviving Corporation, for cancellation, and shall receive in
         consideration thereof (i) the Acquiror Common Stock and other
         consideration set forth in Section 2.03 hereof, exclusive of the cash
         consideration allocated to the stock transfer set forth in Section
         2.02, as allocated  in Schedule 2.03(b)(i), and (ii) the "Contingent
         Consideration" set forth in Section 2.03(c) hereof, exclusive of the
         cash consideration allocated to the stock transfer set forth in
         Section 2.02, as allocated in Schedule 2.03(b)(i).

                 (c)      Acquisition Corp., as the Surviving Corporation,
         through its appropriate officers and agents, shall cause to be filed a
         Certificate of Merger, in a form to be mutually agreed upon by
         Acquiror and Shareholder, to be executed, acknowledged and filed with
         the Secretary of State of Louisiana in accordance with the Louisiana
         Business Corporation Law.

                 (d)      Until further amended in accordance with the
         provisions of applicable law, the Articles of Incorporation of
         Acquisition Corp., as amended on the Closing Date to provide for the
         change of the name of the Surviving Corporation to "Dickson GMP
         International, Inc." shall be the Articles of Incorporation of the
         Surviving Corporation, and the Surviving Corporation shall operate by
         such name through the Earn-Out Period.

                 (e)      It is the intent of the parties hereto that as of the
         Closing Date, the Merger qualify as a forward triangular merger in
         accordance with IRC Section 368(a)(1)(A) and Section 368(a)(2)(D), and
         Acquiror represents and warrants that it shall be not less than the
         80% controlling parent corporation of Acquisition Corp.
<PAGE>   8
                                                                               3

                 (f)      Acquiror agrees to cause the Merger to be effected,
         and Shareholder agrees to vote for and to effect the Merger.

         2.02    TRANSFER OF STOCK.  Upon the terms and subject to the
conditions of this Agreement, the following transactions shall take place
concurrently with and on the Closing Date:

                 (a)      Acquiror agrees to purchase and Shareholder agrees to
         sell all of the capital stock of Dickson Marine;

                 (b)      Acquiror agrees to purchase and Shareholder agrees to
         sell all of Shareholder's right, title and interest in and to the
         capital  stock or its equivalent of Dickson Nigeria;

                 (c)      Acquiror agrees to purchase and Shareholder agrees to
         sell all of Shareholder's right, title and interest in and to the
         capital stock or its equivalent of Servicios y Construcciones; and

                 (d)      Acquiror agrees to purchase and Shareholder agrees to
         sell all of the capital stock of Ventura Resources.

         2.03    PURCHASE PRICE.  Subject to satisfaction or, if permissible,
the waiver of the conditions set forth in Article X, the total consideration to
be paid by the Acquiror, and Acquisition Corp. to Shareholder pursuant to the
Merger and for the sale, transfer, assignment, conveyance and delivery of the
Dickson Shares as set forth in  Section 2.01 and 2.02 shall be as follows (the
"Purchase Price"):

                 (a)      U.S. $1,200,000 (the "Escrowed Amount") shall be
         delivered to Whitney National Bank, as escrow agent ("Escrow Agent"),
         pursuant to an escrow agreement substantially in the form of Exhibit
         "B" ("Escrow Agreement");

                 (b)      (i) Delivery by the Acquiror of $8,800,000, less
         Long-Term Debt plus accrued interest as of the Closing Date (as
         hereinafter defined) of the Dickson Group as set forth on Annex
         III-Disclosure Schedule ("Schedule") 2.03(b)(i) as adjusted to the
         Closing Date, such remaining funds to be paid by  wire transfer  or
         other immediately available funds approved by Shareholder in
         accordance with the instructions set forth in Schedule 2.03(b)(i) and
         (ii) issuance by the Acquiror of 1,029,703 shares of Acquiror Common
         Stock to Shareholder in accordance with the sharing ratio set forth in
         Schedule 2.07, as updated to the date of Closing (collectively, the
         "Initial Consideration").  The number of Acquiror Common Stock issued
         as part of the Initial Consideration pursuant to this Section 2.03(b)
         hereof shall be adjusted to account for any changes in the outstanding
         Acquiror Common Stock resulting from a subdivision or consolidation of
         shares, share split, reverse share split, share distribution or
         combination of shares or the payment of a share dividend; and
<PAGE>   9
                                                                               4

                 (c)      Delivery by the Acquiror of any amounts due to
         Shareholder pursuant to Section 2.07 (the "Contingent Consideration"),
         such amounts to be payable to Shareholder in accordance with Section
         2.07.

                 (d)      If Gallander assigns a portion of the Dickson Shares
         to the Transferees as defined in and pursuant to Section 11.05 at or
         prior to the Closing, such Initial Consideration (both cash and stock)
         and the Contingent Consideration (both cash and stock), if earned,
         shall be pro rated among the Shareholders in the sharing ratios set
         forth on Schedule 2.07, as updated to the date of Closing.

         2.04    CLOSING.  The Closing shall take place (a) at 10:00 a.m. on
the fifth (5th) business day following the date on which the conditions set
forth in Article X have been satisfied or, if permissible, waived, at the
offices of Sessions & Fishman, L.L.P. located at 201 St. Charles Avenue, 35th
Floor, New Orleans, Louisiana 70170 or (b) at such other date, place and time
as the parties hereto may agree in writing ("Closing Date").

         2.05    ASSUMPTION OF DEBTS AND LIABILITIES.  Acquiror acknowledges
and agrees that the transactions to be consummated under and pursuant to this
Agreement involve merger of entities and transfer and sale of stock, as opposed
to transfer and sale of assets, and therefore upon consummation of the
transactions contemplated hereunder on the Closing Date, Acquisition Corp. with
respect to Dickson GMP shall be liable and responsible for all debts,
obligations and liabilities of the Dickson Group as of the Closing Date whether
known or unknown, liquidated, unliquidated, fixed, contingent or otherwise,
except for any debts, liabilities and obligations expressly assumed in writing
by the Shareholder under Section 6.01(f) and for such liabilities as the
Shareholder has agreed to indemnify the Acquisition Corp. pursuant to Article
IX hereof.  By way of illustration and without limiting the foregoing,
Acquisition Corp.  covenants and agrees that as of the Closing Date,
Acquisition Corp. as to Dickson GMP shall be deemed to have assumed and shall
pay and be solely responsible for any and all liabilities, accounts payable,
debts, claims and other obligations of the Dickson Group including, without
limitation, (a) the outstanding obligations remaining on the Note to Mr. and
Mrs. Dickson dated December 7, 1990 which is secured by a Lien on the Belle
Chasse Real Property owned by Dickson GMP ("Building Debt"); provided however,
that any amounts due in excess of $385,000.00, plus accrued interest, shall be
deducted from the cash portion of the Initial Consideration delivered to the
Shareholder at Closing; (b) those certain capital lease transactions in the
approximate amount of $165,000 described on Schedule 4.16 attached hereto;
provided that $165,000 shall be deducted from the cash portion of the Initial
Consideration delivered to the Shareholder at Closing; (c) debts and
liabilities disclosed on or for which adequate reserves have been made on the
financial statements of the Dickson Group; and (d) all other liabilities,
accounts payable, debts, claims and other obligations of the Dickson Group
incurred in the Ordinary Course of Business except those which Shareholder
expressly agrees to assume pursuant to Section 6.01(f) below and for such
liability as the Shareholder has agreed to indemnify the Acquiror or
Acquisition Corp. pursuant to Article IX hereof.
<PAGE>   10
                                                                               5

         2.06    DELIVERIES AT CLOSING.  At the Closing (a) the Shareholder and
the Dickson Group will deliver to the Acquiror, and the Acquiror will deliver
to the Shareholder and the Dickson Group, the various certificates,
instruments, resolutions, guaranty agreements, if required, Certificate of
Merger and documents required to be delivered pursuant to Article X; (b) the
Dickson Group, Shareholder and Acquiror will take all actions necessary to
merge Dickson GMP into Acquisition Corp.; (c) the Acquiror will deliver to the
Shareholder the Initial Consideration described in Section 2.03; (d) the
Acquiror will deliver to the Escrow Agent the Escrowed Amount; (e) the
Shareholder will deliver certificates (or equivalent documentation)
representing the Dickson Shares of the Dickson Group to Acquiror duly endorsed
in blank or with properly executed stock powers; and (f) the parties shall take
all other actions and execute such other documents, certificates, and
instruments reasonably required by the other party in order to consummate the
transaction contemplated hereunder.

         2.07    CONTINGENT CONSIDERATION.  In addition to the Initial
Consideration and the Escrowed Amount, the Acquiror agrees to pay to
Shareholder, if earned, the following Contingent Consideration:

                 (a)      an earned payout amount (the "Earn-Out Payment")
         based upon the Adjusted EBTDA of the Dickson Group for the twelve
         month period commencing on the first day of the month following
         Closing (the "Earn-Out Period"), to be calculated as follows:

                          (i)     if the Dickson Group's Adjusted EBTDA for the
                 Earn-Out Period is $4,000,000 or less, the Earn-Out Payment
                 shall equal zero;

                          (ii)    if the Dickson Group's Adjusted EBTDA for the
                 Earn-Out Period is between $4,000,001 and $7,000,000, the
                 Gross Earn-Out Payment shall be prorated in accordance with
                 Annex II; and

                          (iii)   if the Dickson Group's Adjusted EBTDA for the
                 Earn-Out Period is greater than $7,000,000, the Gross Earn-Out
                 Payment shall equal 670,297 shares of Acquiror's Common Stock
                 and $7,268,750 in cash.  The number of shares of Acquiror
                 Common Stock issued as part of the Contingent Consideration
                 pursuant to this Section 2.07 hereof shall be adjusted to
                 account for any change in the outstanding Acquiror Common
                 Stock resulting from a subdivision or consolidation of shares,
                 share split, reverse share split, share distribution or
                 combination of shares or the payment of a share dividend.

If Gallander assigns a portion of the Dickson Shares to the Transferees as
defined in and pursuant to Section 11.05 at or prior to Closing, such
Contingent Consideration (both cash and stock) shall be pro rated among the
Shareholders in the sharing ratios set forth on Schedule 2.07 as updated to the
date of Closing.
<PAGE>   11
                                                                               6


                 (b)      In the event Gallander directs Acquiror to issue
         Preferred Stock of Acquiror in lieu of cash to be paid pursuant to
         (a), Gallander shall notify Acquiror one (1) Business Day preceding
         the Earn-Out Period and Acquiror shall issue to Gallander Preferred
         Stock of the Acquiror with substantially the same terms as set forth
         in Annex IV.  It is understood and agreed that Gallander may specify
         the amounts of the cash portion of the Contingent Consideration to be
         paid in cash or in Preferred Stock or a combination of cash and
         Preferred Stock, in any portions as Shareholder in his sole and
         absolute discretion may determine.

                 (c)      Subject to (b) above, the Earn-Out Payment, if any,
         shall be paid by  wire transfer  or other immediately available funds
         approved by Shareholder in accordance with the instructions set forth
         in Schedule 2.03(b)(i) for the cash component of the Earn-Out Payment
         and by the issuance of the Acquiror Common Stock and Preferred Stock,
         if applicable, in accordance with the provisions of Schedule 2.07.

         2.08    CALCULATION AND PAYMENT OF CONTINGENT CONSIDERATION.

                 (a)      A computation of the Adjusted EBTDA of the Dickson
Group for the Earn-Out Period and Net Earn- Out Payment will be prepared  by
the Acquiror  in consultation with the Shareholder (and the Shareholder
Representative) in the form of a report in accordance with the principles set
forth in Annex I and Annex II, respectively, attached hereto and delivered by
the Acquiror to the Shareholder or Shareholder Representative as set forth in
Section 11.05 below within 45 days after expiration of the Earn-Out Period (the
"Earn-Out Report").  The Shareholder or Shareholder Representative shall have
the right for 30 days following his receipt of the Earn-Out Report to object to
the Acquiror's calculation of Adjusted EBTDA.  Any objection made by the
Shareholder or Shareholder Representative shall be accompanied by materials
showing in reasonable detail the Shareholders' support for the determination of
Adjusted EBTDA and the Net Earn-Out Payment.  The Shareholders through the
Shareholder or Shareholder Representative shall be deemed to have waived any
rights to object under this Section 2.08 unless written objections, together
with supporting materials, are delivered to the Acquiror within such 30-day
period.  The Acquiror and the Shareholder or Shareholder Representative shall
meet to resolve any differences in their respective calculations of Adjusted
EBTDA and the Net Earn-Out Payment.  If the parties are unable to agree upon
the same dollar value of and other issues concerning Adjusted EBTDA and the Net
Earn-Out Payment, the Acquiror and the Shareholder must submit the matter to
arbitration to be conducted in accordance with Section 2.08(c). The
participation or consultation of Shareholder (and the Shareholder
Representative) in the preparation of the above-referenced computations and
calculation shall in no way affect, alter or diminish Shareholder's (and the
Shareholder Representative's) right to object to such calculations hereunder or
to invoke arbitration under Section 2.08(b) hereof.
<PAGE>   12
                                                                               7

                 (b)      If the Shareholder or Shareholder Representative fail
to object to the Acquiror's calculation of Adjusted EBTDA and/or the Net
Earn-Out Payment in the manner set forth in Section 2.08(a), Acquiror shall
make a payment to the Shareholder or Shareholder Representative in cash and
shares pro rata in accordance with Schedule 2.07, as updated to the date of
Closing, of an amount equal to the Net Earn-Out Payment (as set forth in Annex
II hereto) as calculated in accordance with the Earn-Out Report (unless
Adjusted EBTDA is not greater than $4,000,000 in which case no payment shall be
made).  If the Acquiror and the Shareholder or Shareholder Representative agree
upon a different amount of Adjusted EBTDA or Net Earn-Out Payment or if, absent
such agreement, the matter is submitted to arbitration and decided thereby,
then, the Acquiror shall make the Net Earn-Out Payment, if any, determined in
accordance with Schedule 2.07, as updated to the date of Closing, based on such
agreed or arbitration determined amount of Adjusted EBTDA or Net Earn-Out
Payment.  All payments and issuances of stock under this Section 2.08(b) shall
be payable and made on and as of the fifth Business Day following the 30-day
period in which the Shareholder or Shareholder Representative had the
opportunity but failed to make any objection, after agreement by the parties or
upon a final determination by the arbitrators, as applicable.

                 (c)      The Acquiror or the Shareholder or Shareholder
Representative, as applicable, desiring to refer a controversy or claim
concerning any dispute to the Earn-Out Report to arbitration must provide
notice to the other party, stating that the applicable dispute will be
determined by arbitration under this Section 2.08(c).  The arbitrator shall be
PricewaterhouseCoopers LLP or if  PricewaterhouseCoopers LLP  resigns, becomes
incapacitated or otherwise refuses or fails to serve or to continue to serve as
an arbitrator, then the Acquiror or the Shareholder or Shareholder
Representative may request the American Arbitration Association (or its
successor) to designate another arbitrator in accordance with the Commercial
Arbitration Rules of the American Arbitration Association (the "Rules").  On or
before the 15th day following the foregoing notice from the Acquiror or the
Shareholder or Shareholder Representative, the Acquiror and the Shareholder or
Shareholders' Representative shall present to the other its proposed resolution
of the disputed item, including its calculation of the disputed item, the
effect on Adjusted EBTDA and the Net Earn-Out Payment and any materials it
wishes to present to justify the resolution that it so presents.  Within five
Business Days after the expiration of such 15-day period, the Acquiror and the
Shareholder or Shareholder Representative shall attend a meeting in Houston,
Texas at a mutually acceptable time and place to discuss fully the dispute and
to determine whether either desires to modify its calculation of the disputed
item.  Such meeting shall occur before the Acquiror or the Shareholder or
Shareholder Representative involves or otherwise notifies the arbitrator.  If
the parties have been unable to resolve their dispute at the end of such
meeting, the arbitrator shall be notified.  If at any time the parties resolve
their dispute, then notwithstanding the preceding provisions of this Section
2.08(c), the arbitration procedures promptly shall be discontinued and the
Earn-Out Report shall be revised, if necessary, to reflect such resolution and
thereupon shall be
<PAGE>   13
                                                                               8

final and binding on the Shareholder (Shareholders and Shareholder
Representative) and the Acquiror.  The Shareholder (or Shareholder
Representative) and Acquiror shall each bear one-half of all costs and expenses
of the arbitrator.  The determination and decision of the arbitrator shall be
final and nonappealable and shall be valid and binding upon the Acquiror and
the Shareholder (Shareholders and Shareholder Representative) and their
respective successors and assigns and may be enforced in any court of competent
jurisdiction.

                                  ARTICLE III

                         REPRESENTATIONS AND WARRANTIES
                               OF THE SHAREHOLDER

         Shareholder and, if Gallander assigns a portion of the Dickson Shares
to the Transferees as defined in and pursuant to Section 11.05 at or prior to
the Closing Date, each Transferee who becomes a Shareholder, severally and not
jointly, represent and warrant to Acquiror that:

         3.01    GOOD TITLE.  Except as set forth in Schedule 3.01, such
Shareholder is the sole record and beneficial owner (except for the community
property interest of the Shareholder's spouse) of, and has good and valid title
to, the number of shares (or their equivalent) of the various entities that
comprise the Dickson Group set forth opposite such Shareholder's name on
Schedule 3.01 hereto, free and clear of all Liens except the Liens granted by
Shareholder in favor of Mr. and Mrs. Dickson by those three certain acts of
pledge of shares of common stock dated December 7, 1990 and July 2, 1997, which
will be released at or prior to Closing.  Upon Closing of the transaction
contemplated hereunder by the Shareholder, the Dickson Group, Acquisition Corp.
and Acquiror of this Agreement against payment of the Initial Consideration,
Acquiror and/or the Acquisition Corp. shall be the owner of, and have good and
valid title to, all of the shares of the various entities that comprise the
Dickson Group free and clear of all Liens.

         3.02    AUTHORIZATION AND VALIDITY OF AGREEMENTS.  Such Shareholder
has the full power, legal right, capacity and authority to enter into, execute
and deliver this Agreement, the Escrow Agreement and the Registration Rights
Agreement and to carry out and perform the transactions contemplated hereby and
thereby.  Each of this Agreement, the Escrow Agreement and the Registration
Rights Agreement constitutes a valid and binding obligation of such
Shareholder, enforceable against such Shareholder in accordance with its terms,
except as limited by bankruptcy, insolvency, reorganization, moratorium or
other similar law now or hereafter in effect relating to or affecting
creditors' rights generally, or subject to the limitations imposed by general
rules of equity (regardless of whether such enforceability is considered at law
or in equity) (collectively "Creditors' Rights").

         3.03    NO WITHHOLDING.  Neither Acquiror, Acquisition Corp. nor any
of  their Affiliates are required to deduct or withhold from the consideration
otherwise payable at the Closing pursuant to this Agreement or the Escrow
Agreement to such Shareholder any amounts under the Code or any other provision
of federal, state or local tax law.
<PAGE>   14
                                                                               9

                                   ARTICLE IV

                     REPRESENTATIONS AND WARRANTIES OF THE
             DICKSON GROUP AND THE SHAREHOLDER AND EACH TRANSFEREE

         Subject to Section 11.05 hereof, each of the Dickson Group and the
Shareholder and each Transferee who becomes a Shareholder hereby represent and
warrant to the Acquiror as of the Closing Date as follows:

         4.01    ORGANIZATION.  Each of the Dickson Group is a duly organized
corporation under the laws of its jurisdiction of incorporation and is validly
existing and in good standing under the laws of such jurisdiction.

         4.02    QUALIFICATION.  Each of the Dickson Group is duly qualified to
do business as a foreign corporation and is in good standing in each
jurisdiction in which the nature of the Business as now conducted or the
character of the property owned or leased by it makes such qualification
necessary, which jurisdictions are listed on Schedule 4.02.  Each of the
members of the Dickson Group has all requisite power and authority to own its
properties and assets and to carry on its Business.

         4.03    AUTHORITY; ENFORCEABILITY.  Each of the Dickson Group has all
requisite power and authority to execute and deliver this Agreement and the
other Transaction Documents to which it is a party and to perform its
respective obligations hereunder and thereunder.  The execution and delivery of
this Agreement and the other Transaction Documents to which each of the Dickson
Group is a party and the performance of the transactions contemplated hereby
and thereby have been duly and validly approved by such action necessary on
behalf of such party.  With respect to each of the Dickson Group, this
Agreement and each of the Transaction Documents to which it is a party
constitute the legal, valid and binding obligations of such entity, enforceable
against it in accordance with their terms, subject to Creditors' Rights.

         4.04    CONSENTS; ABSENCE OF CONFLICTS.  Except as set forth on
Schedule 4.04, neither the execution and delivery of this Agreement or the
other Transaction Documents by the Shareholder or the Dickson Group, nor the
consummation of the transactions contemplated hereby and thereby will (a)
violate or breach the terms of, cause a default under, conflict with, result in
the acceleration of, create in any party the right to accelerate, terminate,
modify in a manner adverse to the Dickson Group or cancel, require any notice
or consent or give rise to any preferential purchase or similar right under (i)
any applicable Law, (ii) such entity's charter or bylaws or (iii) any Material
Contract to which such entity is a party or by which they, or any of their
properties, is bound; (b) result in the creation or imposition of any Lien
(other than a Permitted Lien) on any of the Dickson Shares or the Dickson
Assets; (c) result in the cancellation, forfeiture, revocation, suspension or
modification of any existing consent, approval, authorization, license, permit,
certificate or order of any Governmental Authority that adversely
<PAGE>   15
                                                                              10

affects such entity; or (d) with the passage of time or the giving of notice or
the taking of any action of any third party have any of the effects set forth
in clause (a), (b) or (c) of this Section 4.04.

         4.05    CAPITALIZATION OF THE DICKSON GROUP; TRANSFER OF SHARES.

                 (a)      The number of shares of capital stock issued and
outstanding for each of the Dickson Group is listed in Schedule 4.05.  The
issued and outstanding shares for each of the Dickson Group have been duly
authorized, are validly issued, are fully paid and non-assessable and were not
issued in violation of any preemptive rights of any Person.  The shares of each
of the Dickson Group are held beneficially (except for the community property
interest of the Person's spouse) and of record by the Person indicated in
Schedule 4.05, and will be free and clear of all Liens at or before the
Closing.  There are no treasury shares held by any of the Dickson Group.

                 (b)      Except as set forth on Schedule 4.05(b), there are no
Contracts (including, without limitation, options, warrants, calls and
preemptive rights) obligating the Shareholder or the Dickson Group (i) to
issue, sell, pledge, dispose of or encumber any shares of any class of capital
stock of any of the Dickson Group, or any securities convertible, exercisable
or exchangeable into any class of capital stock of any of the Dickson Group,
(ii) to redeem, purchase or acquire in any manner any class of capital stock of
any of the Dickson Group or any securities that are convertible, exercisable or
exchangeable into any shares of any class of capital stock of any of the
Dickson Group or (iii) to make any dividend or distribution of any kind with
respect to capital stock of any of the Dickson Group.

                 (c)      There are no outstanding or authorized stock
appreciation, phantom stock, profit participation, or similar rights affecting
the capital stock of any of the Dickson Group.  There are no voting trusts,
proxies, or other shareholder or similar agreements or understandings with
respect to the voting of the capital stock of any of the domestic members of
the Dickson Group other than as set forth on Schedule 4.05(c).

                 (d)      Upon delivery of the certificates or other
documentation reasonably acceptable to Acquiror and Acquisition Corp.
evidencing the Dickson Shares together with any other documents reasonably
requested by the Acquiror, Shareholders at Closing will transfer valid title
thereto to the Acquiror and/or Acquisition Corp., free of any Lien.

         4.06    EQUITY INVESTMENTS AND AFFILIATES.  Except for the
Subsidiaries set forth on Schedule 4.06(i), if any, none of the Dickson Group
owns, directly or indirectly, any equity interest, or any security convertible,
exercisable or exchangeable into any equity interest, in any Person.  Other
than as disclosed in Schedule 4.06(i) or (ii), none of the Dickson Group is a
party to, or bound by, any Contract that would require Acquiror to make an
additional capital contribution to any Person.  Schedule 4.06(ii) identifies
all Persons who may be deemed to be affiliates of the Dickson Group within the
meaning of that term as used in Rule 144 promulgated
<PAGE>   16
                                                                              11

pursuant to the Securities Act of 1933, as amended (the "Securities Act"),
including, without limitation, all directors and executive officers of the
Dickson Group.

         4.07    ABSENCE OF CHANGES.  Except as set forth on Schedule 4.07 or
otherwise previously disclosed in writing to Acquiror, since December 31, 1997:

                 (a)      there has not been any Material Adverse Effect on the
         Dickson Group, individually or collectively;

                 (b)      the Business has been operated and maintained in the
         Ordinary Course of the Business consistent with past practices;

                 (c)      there has not been any material Damage, destruction
         or loss to any material portion of any of the Dickson Assets, whether
         or not covered by insurance;

                 (d)      there has been no issuance by the Dickson Group of
         any shares of their capital stock, or any repurchase or redemption by
         any of them, of any shares of their capital stock;

                 (e)      there has been no merger or consolidation of the
         Dickson Group with any other Person or any acquisition by the Dickson
         Group, individually or collectively, of the stock or business of any
         other Person;

                 (f)      there has been no declaration or payment of any
         dividend on, or any other distribution with respect to, the securities
         of the Dickson Group;

                 (g)      there has been no borrowing of funds, agreement to
         borrow funds, guaranty or agreement to maintain the financial position
         of any Person by the Dickson Group;

                 (h)      the Dickson Group has not entered into any
         employment, consulting, severance or indemnification agreement with
         any of its employees, nor has any such Person incurred or entered into
         any collective bargaining agreement or other obligation with any labor
         organization or employee;

                 (i)      to the knowledge of the Shareholder or the Dickson
         Group, there has been no adverse change in the relationship of the
         Dickson Group with any material customer, supplier, distributor or
         sales representative thereof;

                 (j)      there has been no increase in the compensation or
         benefits of any officer or employee of the Dickson Group;
<PAGE>   17
                                                                              12

                 (k)      there has been no payment by the Dickson Group to any
         director, officer, shareholder, partner or employee, or any Affiliate
         of the foregoing (whether as a loan or otherwise) except regular
         compensation and usual benefits payments consistent with past
         practices;

                 (l)      the Dickson Group has not entered into any Contract
         with any director, officer, shareholder or employee or any Affiliate
         of the foregoing other than on an arms-length basis;

                 (m)      there is no Contract to do any of the foregoing,
         except as expressly permitted by this Agreement; and

                 (n)       no lawsuit is pending or threatened against the
         Dickson Group alleging Damages in excess of $10,000.

         4.08    AFFILIATE TRANSACTIONS.  Schedule 4.08 describes all
agreements entered into between the Shareholder and any of his Affiliates
(other than the Dickson Group), and services and assets owned, licensed to or
otherwise held by the Shareholder or any of his Affiliates (other than the
Dickson Group), made available or provided to the Dickson Group or used in
connection with the Business.  Except as set forth in Schedule 4.08, (a) there
are no outstanding notes payable to, accounts receivable from or advances by
the Dickson Group to, and the Dickson Group is not otherwise creditors of, the
Shareholder or any of his Affiliates (other than the Dickson Group), or any
director, officer, shareholder, member or partner thereof and (b) except as
described on Schedule 4.08, since December 31, 1997, the Dickson Group has not
purchased, transferred or leased any real or personal property from or for the
benefit of, paid any commission, salary or bonus to or for the benefit of, the
Shareholders or any of his Affiliates, or any director, officer, shareholder,
member or partner thereof, other than regular compensation to employees
consistent with past practices.

         4.09    REAL PROPERTY.

                 (a)      Schedule 4.09(a) lists all real property owned in fee
(beneficially or of record) by the Dickson Group (the "Scheduled Fee Lands").
The Dickson Group has good and merchantable title to the Scheduled Fee Lands.
The Scheduled Fee Lands are not encumbered by any Lien other than Permitted
Liens.

                 (b)      Schedule 4.09(b) lists all surface leases (and the
lands covered thereby) pursuant to which the Dickson Group leases real property
for use in connection with the Business (collectively, the "Scheduled Leases"),
together with a general description of any improvements located thereon, in
each case specifying the name of the lessor, lessee, sublessor or sublessee,
the date and term of the lease.  A true and complete copy of each of the
Scheduled Leases, as amended to date, save and except any verbal lease as shown
on Schedule 4.09(b), has been furnished to the Acquiror.  No event has occurred
that constitutes, or that with the giving of
<PAGE>   18
                                                                              13

notice or the passage of time or both would constitute, a material default by
any party to any Scheduled Lease.  Each Person identified on Schedule 4.09(b)
as the lessee or sublessee under any particular Scheduled Lease either owns the
improvements located on the lands covered by such lease or validly occupies
such improvements in accordance with the terms of such lease free and clear of
all Liens, except Permitted Liens.  At or prior to Closing, all consents
required under the Scheduled Leases in connection with the transactions
contemplated by this Agreement have been obtained and furnished in writing to
the Acquiror, except as indicated on Schedule 4.09(b) and except for those
consents of Governmental Authorities that are customarily obtained post closing
and which are identified on Schedule 4.09(b).

                 (c)      The Scheduled Fee Lands and the Scheduled Leases
constitute all of the real property ("Real Property") which are used in
connection with the ownership and operations of the Business.  Other than the
Dickson Group, there are no parties in possession of any portion of any Real
Property as lessees, subtenants, tenants at sufferance or trespassers.  The
Dickson Group has full right and authority to use and operate all of the
improvements located on the Real Property, subject to applicable Law and the
Permitted Liens.  Except as listed on Schedule 4.09(c), such improvements are
being used, occupied, and maintained in all material respects by the Dickson
Group in accordance with all applicable easements, contracts, permits,
insurance requirements, restrictions, building setback lines, covenants and
reservations.  Except as listed on Schedule 4.09(c), certificates of occupancy
and all other material licenses, permits, authorizations, and approvals
required by any Governmental Authority having jurisdiction over the Real
Property, have been issued for the Dickson Group's  occupancy of each of such
improvements and all such certificates, licenses, permits, authorizations and
approvals have been paid for and are in full force and effect.  The Shareholder
and the Dickson Group have received no notice of any pending or threatened
condemnation, eminent domain or similar proceeding or special assessment
affecting any of the Real Property, nor has any of the Dickson Group received
notification that any such proceeding or assessment is contemplated.  Except as
set forth on Schedule 4.09(c) and except with respect to defects for which the
Dickson Group has no liability or obligation, the improvements located on the
Real Property covered by the Scheduled Leases or the Scheduled Fee Lands (the
"Facilities") are free from material structural and mechanical defects
(including roofs) and have been used by the Dickson Group and the Subsidiaries,
if any, in the Ordinary Course of Business and remain as of the date hereof in
suitable and adequate condition for such continued use.  The Dickson Group has
not deferred maintenance of the Facilities in contemplation of the transactions
set forth herein.

                 (d)      The Shareholder has furnished the Acquiror true and
complete copies of all deeds, leases, title opinions, title insurance policies
and surveys in his possession or in the possession of any of the Dickson Group
that relate to the Real Property, together with copies of all reports of any
engineers, environmental consultants or other consultants in his possession
relating to any of the Real Property.

                 (e)      All utilities (including, without limitation, water,
sewer or septic, gas, electricity, trash removal and telephone service) are
currently available to the Real Property in
<PAGE>   19
                                                                              14

sufficient quantities and quality to adequately serve the Real Property in
connection with the operation of the Business currently conducted therefrom.

         4.10    TANGIBLE PERSONAL PROPERTY.  Schedule 4.10 lists for the
Dickson Group each item of equipment, tools, machinery, parts, materials,
supplies, furniture, vessels, cars, trucks, trailers and other rolling stock
and each other item of tangible personal property used or held for use thereby
in connection with the Business having a fair market value or book value of
$10,000 or more (the "Scheduled Tangible Personal Property").  The Scheduled
Tangible Personal Property constitutes all of the tangible personal property
necessary for the continued ownership, use and operation of the Business
consistent in all material respects with the past practices of the Dickson
Group.  The Dickson Group has good title to or leases such items free and clear
of all Liens, except Permitted Liens.  Except as indicated on Schedule 4.10,
each item of Scheduled Tangible Personal Property is in good working order and
repair, ordinary wear and tear excepted, and has been operated and maintained
in the Ordinary Course of Business and remains in suitable and adequate
condition for use consistent with its primary use.  The Dickson Group has not
deferred maintenance of any such item in contemplation of the transactions set
forth herein.

         4.11    PERMITS.  Schedule 4.11 lists for the Dickson Group all
permits, licenses, certificates, authorizations and approvals granted by any
Governmental Authority (each, a "Permit") and used or held by one or more of
the Dickson Group, or any of their Affiliates in connection with the ownership
and operation of the Business (the "Scheduled Permits").  The Scheduled Permits
constitute all Permits necessary for the continued ownership, use and operation
of the Business consistent in all material respects with the past practices of
the Dickson Group, except the Air Quality Permit as set forth on Schedule 4.24.
Except as set forth in Schedule 4.11, the Scheduled Permits are valid and in
full force and effect and no Scheduled Permit is in default, and no condition
exists that with notice or lapse of time or both would constitute a default,
under the Scheduled Permits.  All fees and other payments due and owing in
connection with the Scheduled Permits have been paid in full and in a timely
manner so as to prevent any lapse or revocation thereof.

         4.12    CONTRACTS.

                 (a)      Schedule 4.12 identifies each of the following
Contracts to which any of the Dickson Group is a party or by which they or
their properties is bound (each, a "Material Contract"):

                 (i)      any Contract that provides for the payment by such
         entity of more than $100,000 in any consecutive 12-month period or
         more than $100,000 over the remaining life of such Contract other than
         a Contract that (A) is terminable by any party thereto giving notice
         of termination to the other party thereto not more than 60 days in
         advance of the proposed termination date and (B) even if so
         terminable, contains no post-termination obligations, termination
         penalties, buy-back obligations or similar obligations other than
         payments of not more than $100,000 in the aggregate;
<PAGE>   20
                                                                              15

                 (ii)     any Contract that constitutes a purchase order or
         other Contract relating to the sale, purchase, lease or provision by
         such entity of goods or services in excess of $100,000 in any 12-month
         period;

                 (iii)    any Contract that grants any Person the exclusive
         right to sell products or provide services within any geographical
         region and that cannot, by the express terms thereof, be canceled by
         such entity on no more than 60 days' advance notice without penalty,
         fee or premium of any nature (including, without limitation, any
         buy-back obligation);

                 (iv)     any Contract that limits the freedom of such entity
         to compete in any line of business or to conduct business in any
         geographic location;

                 (v)      any Contract that is for the sale of goods or
         services and has not been substantially completed by such entity as of
         the Closing Date and which (A) was entered into by such entity on
         terms known at the time the Contract was entered into not to be
         commercially reasonable or (B) was entered into with the expectation
         that such entity would incur a loss;

                 (vi)     any Contract that was entered into outside of the
         Ordinary Course of Business of such entity, including the purchase or
         sale of all or substantially all of the assets of any such entity or
         operating division (by asset sale, stock sale, merger or otherwise);

                 (vi)     any Contract constituting a partnership, joint
         venture or other similar Contract;

                 (vii)    any Contract relating to indebtedness for borrowed
         money, any Contract creating a capital lease obligation, any Contract
         for the sale of Accounts Receivable, any Contract constituting a
         guarantee of debt of any third Person or any Contract requiring such
         entity to maintain the financial position of any other Person;

                 (viii)   any Contract in respect of Intellectual Property
         Rights granted to or by such entity;

                 (ix)     any lease (including any master lease covering
         multiple items of personal property) of any item or items of personal
         property with a rental expense under such lease (whether for a single
         item or multiple items) in excess of $25,000 in any consecutive
         12-month period;

                 (x)      any Contract providing for the deferred payment of
         any purchase price including any so called "earn out" or other
         contingent fee arrangement that involves the possibility of payments
         in excess of $10,000;
<PAGE>   21
                                                                              16


                 (xi)     any Contract creating a Lien on any of the Dickson
         Assets that will not be discharged at or prior to the Closing except
         Permitted Liens;

                 (xii)    any Contract between any of the Dickson Group and any
         Governmental Authority;

                 (xiii)   any Contract involving interest rate swaps, cap or
         collar agreements, commodity or financial future or option contracts
         or similar derivative or hedging Contracts;

                 (xiv)    any Contract entered into since January 1, 1996, (i)
         relating to the sale of stock of a direct or indirect Subsidiary of
         any of the Dickson Group or (ii) relating to the sale of assets not in
         the Ordinary Course of Business involving proceeds to any of the
         Dickson Group or their direct or indirect subsidiaries in excess of an
         aggregate of $100,000; and

                 (xv)     any Contract between any of the Dickson Group and any
         consultant.

                 (b)      True and complete copies (including all amendments)
of each Material Contract have been made available to the Acquiror.  With
respect to each Material Contract except as disclosed in Schedule 4.12:  (i)
the Material Contract is the legal, valid obligation of the applicable Dickson
Group entity and any other Person that is a party thereto, binding and
enforceable against such Dickson Group entity and any other Person that is a
party thereto, in accordance with its terms, subject to Creditors' Rights; (ii)
the Material Contract has not been terminated, and neither any of the Dickson
Group nor any other Person is in material breach or default thereunder, nor has
any event occurred that with notice or lapse of time, or both, would constitute
a material breach or default, or permit termination, modification in any manner
adverse to any of the Dickson Group or acceleration thereunder; and (iii) no
party has asserted nor has (except by operation of law) any right to offset,
discount or otherwise abate any amount owing under the Material Contract except
as expressly set forth in such Contract.

         4.13    INTELLECTUAL PROPERTY.

                 (a)      Schedule 4.13 separately identifies all Intellectual
Property Rights owned or used in the conduct of the Business (the "Scheduled
Intellectual Property").  The Scheduled Intellectual Property constitutes all
Intellectual Property Rights necessary for the continued operation of the
Business consistent in all material respects with the past practices of the
Business.

                 (b)      The Dickson Group has good title to the Scheduled
Intellectual Property identified on Schedule 4.13 as owned thereby, free and
clear of all Liens other than Permitted Liens.
<PAGE>   22
                                                                              17

                 (c)      With respect to each item of Scheduled Intellectual
Property, Schedule 4.13 specifies the following:  (i) the nature of such
Scheduled Intellectual Property (e.g. patent, trademark, trade secret) and the
termination date, if any, thereof, (ii) whether such item is owned or licensed
by  any of the Dickson Group, (iii) the jurisdictions by or in which such
Scheduled Intellectual Property has been issued or registered or in which an
application for such issuance or registration has been filed, including the
respective registration or application numbers; and (iv) any Contract pursuant
to which any of the Dickson Group or any other Person is authorized to use such
Scheduled Intellectual Property including the identity of all parties thereto,
a description of the nature and subject matter thereof, the applicable royalty
and term thereof and whether such Contract grants exclusive or non-exclusive
rights in any particular geographic region.  Each such Contract constitutes the
legal, valid and binding obligation of the Dickson Group and the other parties
thereto and is enforceable against  the applicable Dickson Group and the other
parties thereto in accordance with their respective terms, subject to
Creditors' Rights.  Except as provided in Section 4.13, each item of Scheduled
Intellectual Property will continue to be held by the applicable Dickson Group
on identical terms and conditions immediately following the consummation of the
transactions contemplated herein as are in effect immediately prior to such
consummation.

                 (d)      Except as disclosed on Schedule 4.13, none of the
Dickson Group has been a party to any judicial or administrative proceeding
alleging, nor have any such entities been notified of any allegation of, any
infringement or misappropriation of any item of Scheduled Intellectual
Property, whether owned by one of the Dickson Group or any other Person.  No
Shareholder has any knowledge of any other material infringement or
misappropriation (or facts that are reasonably likely to give rise to a
material infringement or misappropriation) by any of the Dickson Group of any
Intellectual Property Rights of third persons or of any continuing material
infringement or misappropriation (or facts that are reasonably likely to give
rise to a material infringement or misappropriation) by any other Person of any
of the Scheduled Intellectual Property.  No Scheduled Intellectual Property is
subject to any outstanding order, judgment, decree, stipulation or agreement
restricting the use thereof by any of the Dickson Group.

                 (e)      Except as set forth on Schedule 4.13, all statutory
obligations and all fees, annuities and other payments which are due on or
before the Closing Date for any of the Scheduled Intellectual Property
including, without limitation, all United States or foreign patents, patent
applications, trademark registrations, service mark registrations, copyright
registrations and any applications for any of the preceding, have been met or
paid in full.

         4.14    ACCOUNTS RECEIVABLE.  Except as disclosed in Schedule 4.14,
each of the Accounts Receivable arose in the Ordinary Course of Business and
represents the genuine, valid and legally enforceable indebtedness of the
account debtor (subject only to Creditors' Rights) and no contra account,
set-off, defense, counterclaim, allowance or adjustment (other than discounts
for prompt payment shown on the invoice) has been asserted or is threatened by
any of
<PAGE>   23
                                                                              18

the account debtors of such Accounts Receivable.  All Accounts Receivable are
valid, genuine and fully collectible within the Dickson Group's customary
collection cycle in the aggregate amount of such receivables, subject to normal
and customary trade discounts, less any reserve for doubtful accounts recorded
on the Closing Date Balance Sheet.  To the knowledge of the Dickson Group and
the Shareholder, none of the account debtors of the Accounts Receivable is
involved in a bankruptcy or insolvency proceeding or is generally unable to pay
its debts as they become due, except as disclosed in Schedule 4.14.  The
Dickson Group has good and valid title to the Accounts Receivable free and
clear of all Liens except Permitted Liens.  No material amount of goods or
services, the sale or provision of which gave rise to any Accounts Receivable,
have been returned or rejected by any account debtor or lost or damaged prior
to receipt thereby, except as disclosed on Schedule 4.14.  Except for those
listed on Schedule 4.14, none of the Accounts Receivable as of the date hereof
have remained uncollected for more than 90 days.  The Dickson Group has
delivered to the Acquiror prior to the date hereof a listing of aged accounts
receivable as of a date no more than 10 days prior to the date hereof.

         4.15    BROKERS' FEES.  Neither any of the Dickson Group, the
Shareholder nor their respective Affiliates or agents has any liability or
obligation to pay any fees or commissions to any broker, finder, or agent with
respect to the transactions contemplated by this Agreement for which the
Acquiror or its Affiliates (including the Dickson Group after the Closing)
could become liable or obligated.

         4.16    FINANCIAL STATEMENTS.  The Dickson Group has delivered to the
Acquiror true and complete copies of the following financial statements
(collectively, the "Financial Statements"):  (a) the balance sheet of the
combined Dickson Group as of December 31, 1997, 1996 and 1995, and the related
statements of income, cash flow and retained earnings for the fiscal years then
ended (including the notes thereto) and (b) the balance sheet of the combined
Dickson Group as of June 30, 1998 (the "Interim Balance Sheet") and the related
statement of income for the six-month period then ended.  Except as disclosed
in the Interim Balance Sheet and except for liabilities which will be reflected
in the Closing Date Balance Sheet or contingent liabilities set forth on
Schedule 4.16, the Dickson Group has no liabilities or obligations (whether
accrued, absolute, contingent or otherwise) other than those incurred in the
Ordinary Course of Business.  The Financial Statements present fairly the
financial position of the Dickson Group and the results of their operations and
changes in cash flow as of the dates and for the periods indicated therein and
have been prepared in accordance with GAAP (except that the Interim Balance
Sheet and related statements of income and cash flow do not contain all of the
footnote disclosures required for year-end financial statements required under
GAAP) applied on a consistent basis throughout the periods covered thereby.  As
of the date of this Agreement, the amount of Debt, including Long-Term Debt, of
the Dickson Group is set forth on Schedule 4.16.

         4.17    LEGAL COMPLIANCE.  Except as otherwise disclosed in this
Agreement or the Disclosure Schedules, the Dickson Group is in compliance in
all material respects with all applicable Law.
<PAGE>   24
                                                                              19

         4.18    TAXES.

                 (a)      Except as set forth in Schedule 4.18(a), (i) all
returns (including, without limitation, income, franchise, corporation, capital
gains, VAT, sales and use, unemployment compensation, excise, severance,
property, gross receipts, profits, payroll and withholding tax returns and
information returns) and reports (all such returns and reports herein referred
to collectively as the "Tax Returns" or singularly as a "Tax Return") of or
relating to any foreign, federal, state or local tax, assessment, impost, duty,
levy or charge of any nature whatsoever (all, together with any penalties,
additions to tax, fines and interest thereon, or related thereto, herein
referred to collectively as "Taxes" or singularly as a "Tax") which are
required to be filed on or before the Closing Date by or with respect to the
Dickson Group have been or will be duly and timely filed or the filing due date
thereof has been or will be timely extended, (ii) all Tax Items required to be
included in each such Tax Return have been so included and all information
provided in each such Tax Return is true, correct and complete, (iii) all Taxes
which are or have become due with respect to the period covered by each such
Tax Return have been  paid  or accrued, and (iv) all withholding Tax and Tax
deposit requirements imposed on or with respect to the Dickson Group or their
respective employees for any and all periods or portions thereof ending on or
prior to the Closing Date have been or will be paid or accrued by the Dickson
Group.

                 (b)      All Tax sharing or indemnity agreements or
arrangements with respect to or involving the Dickson Group have been
terminated prior to the Closing Date, and after the Closing Date the Dickson
Group shall have no obligation to indemnify or make a payment to any person in
respect of any Tax under any such agreement for any past, current or future
period.

                 (c)      There is no claim against the Dickson Group for any
Taxes, and no assessment, deficiency or adjustment has been asserted, proposed
or threatened with respect to any Tax Return of or with respect to the Dickson
Group, other than those disclosed (and to which are attached true and complete
copies of all audit or similar reports) in Schedule 4.18(c).  None of the
property of the Dickson Group is subject to any Lien for any Tax except Liens
for current Taxes not yet due.

                 (d)      Except as set forth on Schedule 4.18(d), the Dickson
Group is not obligated to take any action or refrain from taking any action in
connection with any agreement with any taxing authority involving an abatement
of any Tax.

                 (e)      The Dickson Group will not be required to include any
amount in income for any taxable period or portion thereof beginning after the
Closing Date as a result of a change in accounting method for any taxable
period or portion thereof ending on or before the Closing Date.
<PAGE>   25
                                                                              20

                 (f)      Except as set forth in Schedule 4.18(f), none of the
property of the Dickson Group is held in an arrangement that could be
classified as a partnership for U.S. Tax purposes, and  the Dickson Group does
not own any interest in any controlled foreign corporation (as defined in
section 957 of the Code), passive foreign investment Acquiror (as defined in
section 1296 of the Code) or other entity the income of which is required to be
included in the income of the Dickson Group.

                 (g)      Except as set forth in Schedule 4.18(g), none of the
property of the Dickson Group is subject to a safe-harbor lease (pursuant to
section 168(f)(8) of the Internal Revenue Code of 1954 as in effect after the
Economic Recovery Tax Act of 1981 and before the Tax Reform Act of 1986) or any
lease which is not treated as a lease for federal income tax purposes or is
"tax-exempt use property" (within the meaning of section 168(h) of the Code) or
"tax-exempt bond financed property" (within the meaning of section 168(g)(5) of
the Code).

                 (h)       None of the Tax Returns of or with respect to the
Dickson Group for which the statute of limitations is open are currently under
audit by the applicable governmental or jurisdictional authority, nor has the
Shareholder or the Dickson Group received written notice by any such
governmental or jurisdictional authority of any intent to audit such Tax
Returns.

                 (i)      Except as set forth in Schedule 4.18(i), there is not
in force any extension of time with respect to the due date for the filing of
any Tax Return of or with respect to any of the Dickson Group or any waiver or
agreement for any extension of time for the assessment or payment of any Tax of
or with respect to the Dickson Group.

                 (j)      The total amounts accrued as liabilities for current
Taxes in the Closing Date Balance Sheet will be adequate and sufficient to
cover the payment of all Taxes known as due and/or accrued through the Closing
Date in accordance with GAAP.

                 (k)      Neither the Shareholder nor the Dickson Group has
consented to have the provisions of section 341(f)(2) of the Code apply with
respect to a sale of their stock.

                 (l)      Except as set forth in Schedule 4.18(l), neither the
Shareholder nor the Dickson Group has ever been included in a consolidated,
combined or unitary Tax Return.

                 (m)      Schedule 4.18(m) contains a list of all countries,
states and jurisdictions to which any Tax may be payable by the Dickson Group
(excluding employee withholding).

         4.19    INVENTORY.  The Dickson Group owns their inventory, if any,
free and clear of all Liens except Permitted Liens.  None of such inventory is
covered by any financing statements except those filed in connection with
Permitted Liens.  Such inventory was acquired for sale in the Ordinary Course
of Business of the Dickson Group and is in good and saleable condition and is
not obsolete, slow moving or damaged subject to any reserves reflected in the
Interim Balance Sheets.  Except as disclosed on Schedule 4.19, all of such
inventory is located on the Real Property and none of such inventory is subject
to any consignment, bailment, warehousing or similar arrangement.
<PAGE>   26
                                                                              21

         4.20    LITIGATION.  Except as set forth in Schedule 4.20, there are
no actions, suits or proceedings pending or to the knowledge of the Shareholder
or the Dickson Group, threatened at law or in equity, or before or by any
Governmental Authority or before any arbitrator of any kind, against any of the
Dickson Group or the Shareholders or their respective Affiliates that affect or
would affect the Business or the assets and properties of the Dickson Group or
the consummation of the transactions contemplated hereby.

         4.21    PRODUCT AND SERVICE WARRANTY.  Schedule 4.21 includes copies
of the standard terms and conditions (including warranties) set forth in the
documentation of the Dickson Group governing the sale or lease of goods or
provision of services by the Dickson Group.  Schedule 4.21 further identifies
any warranty claim asserted during the three year period prior to the date
hereof from which the Dickson Group has incurred costs in excess of $25,000.

         4.22    EMPLOYEES; EMPLOYEE RELATIONS.

                 (a)      Schedule 4.22(a) identifies for the Dickson Group the
following:

                 (i)      the name and current  weekly salary (or rate of pay)
         of each of its employees now payable to each of its salaried
         employees;

                 (ii)     any increase to become effective after the date of
         this Agreement in the total compensation or rate of total compensation
         (including, without limitation, normal bonus, profit-sharing, pension
         benefits and other compensation) payable to each such person;

                 (iii)    all presently outstanding loans and advances (other
         than routine travel advances to be repaid or formally accounted for
         within 60 days) made by the Dickson Group to, or made to the Dickson
         Group by, any director, officer or employee;

                 (iv)     all transactions outside of the Ordinary Course of
         Business between such entity and any director, officer or employee
         thereof since January 1, 1997;

                 (v)      the name of each director and officer of such entity
         (including the title of any officer).

                 (b)      Except as disclosed on Schedule 4.22(b), the Dickson
Group is not a party to, or is bound by, the terms of any collective bargaining
agreement or any other Contract with any labor union or representative of
employees, and no such agreements are being negotiated.  Except as set forth on
Schedule 4.22(b), there are no labor disputes existing or threatened involving,
by way of example, strikes, work stoppages, slowdowns, picketing, or any other
<PAGE>   27
                                                                              22

interference with work or production, or any other concerted action by
employees, and none of the Dickson Group has experienced any material labor
difficulties during the last five years.  No grievance or other legal action
arising out of any such collective bargaining agreement or relationship exists
or is threatened.

                 (c)      The Dickson Group's relationship with their
employees, as a group, are satisfactory and no facts exist which would indicate
that such employees will not continue in their employ on a basis acceptable to
the Acquiror following the Closing.  Except as listed on Schedule 4.22(c), none
of the Dickson Group is a party to any employment, consulting, non-compete,
management, severance, termination pay or similar Contract with any individual
or employee, either express or implied.

                 (d)       Except as disclosed on Schedule 4.20, no legal
proceedings, charges, complaints, grievances or similar actions are pending
with respect to any of the Dickson Group under any federal, state or local laws
affecting the employment relationship including, but not limited to:  (i)
anti-discrimination statutes such as Title VII of the Civil Rights Act of 1964,
as amended (or similar state or local laws prohibiting discrimination because
of race, sex, religion, national origin, age and the like); (ii) the Fair Labor
Standards Act or other federal, state or local laws regulating hours of work,
wages, overtime and other working conditions; (iii) requirements imposed by
federal, state or local governmental contracts such as those imposed by
Executive Order 11246 (as none of the Dickson Group is subject to such
Executive Order); (iv) state laws with respect to tortious employment conduct,
such as slander, false light, invasion of privacy, negligent hiring or
retention, intentional infliction of emotional distress, assault and battery,
or loss of consortium; or (v) the Occupational Safety and Health Act, as
amended, as well as any similar state laws, or other regulations respecting
safety in the workplace; and no proceedings, charges, or complaints are
threatened under any such laws or regulations and no facts or circumstances
exist which would give rise to any such proceedings, charges, complaints, or
claims.  None of the Dickson Group is subject to any settlement or consent
decree with any present or former employee, employee representative or any
Governmental Authority relating to claims of discrimination or other claims in
respect to employment practices and policies; no Governmental Authority has
issued a judgment, order, decree or finding with respect to the labor and
employment practices (including practices relating to discrimination) of the
Dickson Group.

                 (e)      The Dickson Group has hired their employees in
compliance with the Immigration Reform and Control Act of 1986 and the rules
and regulations thereunder ("IRCA") and have complied with all record keeping
and other regulatory requirements under IRCA.

                 (f)      None of the Dickson Group has incurred any liability
or obligation under the Worker Adjustment and Retraining Notification Act or
similar state laws.

                 (g)      The Dickson Group is in compliance with the
provisions of the Americans with Disabilities Act (the "ADA").
<PAGE>   28
                                                                              23

         4.23    EMPLOYEE BENEFIT MATTERS.

                 (a)      Schedule 4.23(a) lists for the Dickson Group a true
and complete description of each of the following (collectively referred to as
the "Plans," and individually referred to as a "Plan") which is sponsored,
maintained or contributed to or by the Dickson Group for the benefit of the
current or former employees of the Dickson Group, or has been so sponsored,
maintained or contributed to within six years prior to the Closing Date:

                 (i)      each "employee benefit plan," as such term is defined
         in Section 3(3) of the Employee Retirement Income Security Act of
         1974, as amended ("ERISA"), (including, but not limited to, employee
         benefit plans, such as foreign plans, which are not subject to the
         provisions of ERISA); and

                 (ii)     each personnel policy, stock option plan, collective
         bargaining agreement, bonus plan or arrangement, incentive award plan
         or arrangement, vacation policy, severance pay plan, policy or
         agreement, deferred compensation agreement or arrangement, executive
         compensation or supplemental income arrangement, consulting agreement,
         employment agreement and each other employee benefit plan, agreement,
         arrangement, program, practice or understanding which is not described
         in Section 4.23(a)(i).

                 (b)      True, correct and complete copies of each of the
Plans, and related trusts, if applicable, including all amendments thereto,
have been furnished or disclosed in writing to the Acquiror.  There has also
been furnished or disclosed in writing to the Acquiror, with respect to each
Plan required to file such report and description, the most recent report on
Form 5500 and the summary plan description.

                 (c)      Except as set forth on Schedule 4.23(c), the Dickson
Group does not have an obligation to contribute to, and has not at any time
within six years prior to the Closing Date contributed to or had an obligation
to contribute to, and no Plan is (i) a multiemployer plan within the meaning of
Section 3(37) of ERISA or (ii) a plan subject to Title IV of ERISA, Section 302
of ERISA or Section 412 of the Code.  No Plan is funded through a trust that is
intended to be exempt from federal income taxation pursuant to Section
501(c)(9) of the Code.

                 (d)      Except as otherwise set forth on Schedule 4.23(d):

                 (i)      the Dickson Group has substantially performed all
         obligations, whether arising by operation of law or by contract,
         required to be performed by it in connection with the Plans, and there
         have been no defaults or violations by any other party to the Plans;
<PAGE>   29
                                                                              24

                 (ii)     all reports and disclosures relating to the Plans
         required to be filed with or furnished to Governmental Authorities,
         Plan participants or Plan beneficiaries have been filed or furnished
         in accordance with applicable law in a timely manner, and each Plan
         has been administered in substantial compliance with its governing
         documents and applicable law;

                 (iii)    each of the Plans intended to be qualified under
         Section 401 of the Code (A) satisfies the requirements of such
         Section, (B) has received a favorable determination letter from the
         Internal Revenue Service regarding such qualified status and covering
         amendments required under the Tax Reform Act of 1986, the Unemployment
         Compensation Amendments of 1992, the Omnibus Budget Reconciliation Act
         of 1993, and the final nondiscrimination regulations under Section
         401(a)(4) of the Code, and (C) has not been amended or operated in a
         way which would adversely affect such qualified status;

                 (iv)     there are no actions, suits or claims pending (other
         than routine claims for benefits) or threatened against, or with
         respect to, any of the Plans or their assets;

                 (v)      all contributions required to be made to the Plans
         pursuant to their terms and provisions or pursuant to applicable law
         have been made timely;

                 (vi)     as to any Plan intended to be qualified under Section
         401 of the Code, there has been no termination or partial termination
         of the Plan within the meaning of Section 411(d)(3) of the Code;

                 (vii)    no act, omission or transaction has occurred which
         would result in imposition on the Dickson Group of (A) breach of
         fiduciary duty liability damages under Section 409 of ERISA, (B) a
         civil penalty assessed pursuant to subsections (c), (i) or (l) of
         Section 502 of ERISA or (C) a tax imposed pursuant to Chapter 43 of
         Subtitle D of the Code;

                 (viii)   there is no matter pending (other than routine
         qualification determination filings) with respect to any of the Plans
         before any Governmental Authority;

                 (ix)     with respect to any employee benefit plan, within the
         meaning of Section 3(3) of ERISA, which is not listed in Schedule
         4.23(a) but which is sponsored, maintained or contributed to, or has
         been sponsored, maintained or contributed to within six years prior to
         the Closing Date, by any corporation, trade, business or entity under
         common control with any member of the Dickson Group or within the
         meaning of Section 414(b), (c), (m) or (o) of the Code or Section 4001
         of ERISA ("Commonly Controlled Entity"), (A) no withdrawal liability,
         within the meaning of Section 4201 of ERISA, has been incurred, which
         withdrawal liability has not been satisfied, (B) no liability to the
         Pension Benefit Guaranty Corporation has been incurred by the Dickson
<PAGE>   30
                                                                              25

         Group or any Commonly Controlled Entity, which liability has not been
         satisfied, (C) no accumulated funding deficiency, whether or not
         waived, within the meaning of Section 302 of ERISA or Section 412 of
         the Code has been incurred and (D) all contributions (including
         installments) to such plan required by Section 302 of ERISA and
         Section 412 of the Code have been timely made; and

                 (x)      the execution and delivery of this Agreement and the
         consummation of the transactions contemplated hereby will not (A)
         require any of the Dickson Group to make a larger contribution to, or
         pay greater benefits under, any Plan than it otherwise would, whether
         or not some other subsequent action or event would be required to
         cause such payment or provision to be triggered, or (B) create or give
         rise to any additional vested rights or service credits under any
         Plan.

                 (e)      The Dickson Group is not a party to any agreement,
nor has the Dickson Group established any policy or practice, requiring it to
make a payment or provide any other form of compensation or benefit to any
person performing services for the Dickson Group upon termination of such
services which would not be payable or provided in the absence of the
consummation of the transactions contemplated by this Agreement.

                 (f)      In connection with the consummation of the
transactions contemplated by this Agreement, no payments of money or property,
acceleration of benefits, or provisions of other rights have or will be made
hereunder and under the Plans which, in the aggregate, would be reasonably
likely to result in imposition of the sanctions imposed under Sections 280G and
4999 of the Code, whether or not some other subsequent action or event would be
required to cause such payment, acceleration or provision to be triggered.

                 (g)       Except as shown on Schedule 4.23(g), each Plan which
is an "employee benefit plan", as such term is defined in Section 3(3) of
ERISA, may be unilaterally amended or terminated in its entirety without
liability except as to benefits accrued thereunder prior to such amendment or
termination.

                 (h)      Except as set forth in Schedule 4.23(a)(b)(c)(d)(i),
the Dickson Group is not a party to any agreement, nor has the Dickson Group
established any policy or practice requiring, nor does any applicable Law
require, it to make a payment or provide any other form of compensation or
benefit to any person performing services for such entity or any of its
subsidiaries upon termination of such services that would not be payable or
provided in the absence of the consummation of the transactions contemplated by
this Agreement.

                 (i)      The Dickson Group has furnished to Acquiror true,
correct and complete (i) copies of the form of each employment agreement to
which the Dickson Group is a party and a list of each employee who is a party
to each such form of agreement that includes the compensation level of such
employee pursuant to such agreement and the termination date of such agreement,
and (ii) copies of each other agreement in effect between the Dickson Group
<PAGE>   31
                                                                              26

and any employee or former employee that provides severance, health, deferred
compensation or other employee benefit.  Schedule 4.23(i) lists each such
document described in the preceding sentence.

         4.24    ENVIRONMENTAL MATTERS.

                 (a)      Except as set forth in Schedule 4.24, (i) the Dickson
Group has never generated, manufactured, refined, transported, used, stored,
treated, disposed of, transferred, produced, processed or managed any Hazardous
Material (as defined below) or solid waste in material violation of any
Environmental Law (as defined below); (ii) no Hazardous Material has ever been
or is threatened to be Released (as defined below) or disposed of at any
property presently or formerly owned by the Dickson Group or has ever come to
be located in the Environment (as defined below) at any property presently or
formerly owned by the Dickson Group; (iii) no Hazardous Material has ever been
or is threatened to be Released or disposed of by the Dickson Group at any
property presently or formerly operated, leased or used by the Dickson Group
during any period when the Dickson Group operated, leased or used such
property; (iv) none of the Dickson Group presently owns any property at which
underground storage tanks, pits or sumps are or were located; and (v) none of
the Dickson Group, to the knowledge of the Shareholder or the Dickson Group,
presently operates or leases any property at which underground storage tanks,
pits or sumps are or were located.

                 (b)      Except as set forth in Schedule 4.24 of the
Disclosure Schedule, (i) the Dickson Group has no material liability under any
Environmental Law; (ii) each property owned by the Dickson Group and any
facilities and operations thereon and, with respect to the operations by the
Dickson Group on property operated, leased or used by the Dickson Group and any
facilities and operations thereon, are presently in compliance in all material
respects with all applicable Environmental Laws; (iii) the Dickson Group has
not entered into or been subject to any consent decree, compliance order or
administrative order with respect to any property owned, operated, leased or
used by the Dickson Group or any facilities or operations thereon; (iv) the
Dickson Group has not received notice under the citizen suit provision of any
Environmental Law; (v)  the Dickson Group has never received any written
request for information, written notice, demand letter, administrative inquiry
or formal or informal complaint or claim from any Governmental Authority that
gives rise to, or is reasonably expected to give rise to, any material
liability of the Dickson Group under any applicable Environmental Law; (vi) the
Dickson Group has no knowledge that any of the items enumerated in clauses
(iii)-(v) of this Section 4.24(b) will be forthcoming; (vii) there exist no
Environmental Conditions (as defined below) with respect to  any property owned
by the Dickson Group and any facilities and operations thereon; and (viii) to
the knowledge of the Dickson Group, there exist no Environmental Conditions
resulting from the operations of the Dickson Group with respect to any property
or facility operated, leased or used by the Dickson Group.

                 (c)      Except as set forth in Schedule 4.24 of the
Disclosure Schedule, no property presently owned by the Dickson Group contains
any asbestos or asbestos-containing
<PAGE>   32
                                                                              27

material, polychlorinated biphenyls (PCBs), equipment containing PCBs,
radioactive materials or urea formaldehyde foam insulation and the Dickson
Group has not placed any asbestos or asbestos-containing material, PCBs,
equipment containing PCBs, radioactive materials or urea formaldehyde foam
insulation at any property operated, leased or used by the Dickson Group.

                 (d)      The Dickson Group has provided to Acquiror copies of
all significant documents, records and information (including copies of all
Phase I environmental assessments, audits or surveys prepared within the last
ten years with respect to any property owned, leased or operated by the Dickson
Group during such period) in the possession of the Dickson Group concerning any
matter related to compliance with Environmental Laws or the presence or Release
of Hazardous Materials at any property owned, operated, leased or used by the
Dickson Group and any facilities or operations thereon, whether generated by
the Dickson Group or any third party, including, without limitation,
environmental audits, environmental risk assessments, site assessments, soil
and/or groundwater sampling reports, documentation regarding off-site disposal
of Hazardous Materials, spill control plans and reports, correspondence,
permits, licenses, approvals, consents and other authorizations issued by any
Governmental Authority concerning any matter related to Environmental Laws or
the Environment.

                 (e)      No lien has been imposed on any property owned by the
Dickson Group, and no lien has been imposed on any property operated, leased or
used by the Dickson Group on account of any activities by the Dickson Group, by
any Governmental Authority in connection with the presence of any Hazardous
Material.

                 (f)       Except as set forth on Schedule 4.24, the Dickson
Group has all permits, licenses, approvals, consents or authorizations
necessary for its activities and operations at any property owned, operated,
leased or used by the Dickson Group and any facilities or operations thereon
and for any past or ongoing alterations or improvements at any property owned,
operated, leased or used by the Dickson Group.

                 (g)      For purposes of this Section 4.24 and subject to the
foregoing provisions of this Section 4.24, (i) "Environment" shall mean soil,
surface waters, groundwaters, land, stream sediments, surface or subsurface
strata, air, natural resources and any environmental medium; (ii)
"Environmental Condition" shall mean any condition as of the Closing Date with
respect to the Environment on or off any property owned by the Dickson Group or
at any time operated, leased or used by the Dickson Group, whether or not
discovered as of the Closing Date, which could or does result in any damage,
loss, cost, expense, claim, demand, order or liability to or against the
Dickson Group or Acquiror by any third party (including, without limitation,
any Governmental Authority), including, without limitation, any condition
resulting from the operation of the Dickson Group's business and/or the
operation of the business of any other property owner or operator in the
immediate vicinity of any property owned by the Dickson Group or at any time,
operated, leased or used by the Dickson Group and/or any activity or operation
formerly conducted by any person or entity on or off any property owned by the
Dickson Group; (iii) "Hazardous Material" shall mean any pollutant, toxic
substance, hazardous
<PAGE>   33
                                                                              28

waste, hazardous material, hazardous substance, petroleum product, oil or
contaminant, as defined or regulated under any Environmental Law, or any other
substance or compound, exposure to which is regulated under any Environmental
Law, that may pose a threat to the Environment or to human or animal health or
safety; (iv) "Environmental Law" shall mean any and all laws, common laws,
statutes, ordinances, rules, regulations, codes, licenses, permits, consents,
approvals, authorizations, orders, judgments, decrees, injunctions,
requirements, agreements or determinations of any Governmental Authority in any
and all jurisdictions in which the Dickson Group presently or formerly owned,
operated, leased or used any property, whether existing as of the date hereof,
previously enforced or subsequently enacted, that are related to (A) the
protection, preservation or restoration of the Environment or to human and/or
animal health or safety or (B) the exposure to, or the use, storage, recycling,
treatment, generation, transportation, processing, handling, labeling,
production, Release or disposal of any Hazardous Material or solid waste; and
(v) "Release" shall mean and include any spilling, leaking, pumping, pouring,
emitting, emptying, discharging, injecting, escaping, leaching, migrating,
dumping or disposing into the Environment except in compliance with
Environmental  Law.  For all other words used in this Section 4.24, words
defined elsewhere in this Agreement shall be defined in accordance with those
definitions located in other sections of this Agreement, except that "the
Dickson Group" in this Section 4.24 shall include the Dickson Group, both
collectively and individually as that term is defined throughout this
Agreement, and all predecessors in interest and other entities for whose
conduct the Dickson Group is or may be held responsible under any Environmental
Law.  Other words used in this Section shall be interpreted according to
context and the most common usage of the word except where such word may be a
technical term or a term of art in any Environmental Law.

         4.25    CUSTOMERS, VENDORS AND SUPPLIERS.  To the knowledge of the
Shareholder and the Dickson Group, there is no present intent of any
significant customer, vendor or supplier of the Dickson Group to discontinue or
substantially alter its relationship as such with the Dickson Group or the
Acquiror upon consummation of the transactions contemplated hereby.

         4.26    BANK ACCOUNTS.  Schedule 4.26 sets forth each bank, savings
institution, credit union and other financial institution with which the
Dickson Group has an account or safe deposit box and the names of all persons
authorized to draw thereon or to have access thereto.  Except as disclosed on
Schedule 4.26, none of the Dickson Group has given any revocable or irrevocable
powers of attorney or similar grant of authority to any Person relating to its
business for any purpose whatsoever.

         4.27    INSURANCE.  Schedule 4.27 sets forth a true and complete list
of all policies, binders, and insurance contracts under which the Dickson
Group, the Business, or any of the properties or assets of the Dickson Group is
insured (the "Insurance Policies").  With respect to each Insurance Policy,
Schedule 4.27 sets forth a true and correct description of (a) the scope of
coverage, (b) the limits of liability, (c) deductibles and other similar
amounts, and (d) the aggregate limits and available coverage (if less than the
aggregate limits) as of the date hereof.  Each of the Insurance Policies is in
full force and effect, the Dickson Group has received no
<PAGE>   34
                                                                              29

written or other notice of any cancellation or any threatened cancellation of
any Insurance Policy, and the Dickson Group is a named insured or loss payee,
as applicable, under each Insurance Policy.

         4.28    BOOKS AND RECORDS.  All books and records relating to the
ownership and operation of the Business and of the Dickson Group are located at
the premises of the Business to which such books and records primarily relate,
have been maintained substantially in accordance with applicable Law, comprise
all of the books and records relating to the ownership of the Dickson Group and
the operation of the Business and will not be removed from such premises prior
to or at the Closing.

         4.29    CERTAIN PAYMENTS.  None of the Dickson Group nor any director,
officer, agent, employee or other person associated with or acting on behalf of
the Dickson Group has used any funds of the Dickson Group for any unlawful
contribution, gift, entertainment or other unlawful expense relating to
political activity, made any direct or indirect unlawful payment to any foreign
or domestic governmental official or employee, violated or is in violation of
any provision of the Foreign Corrupt Practices Act of 1977 or made any illegal
bribe, rebate, payoff, influence payment, kickback or other unlawful payment.

         4.30    INVESTMENT.  The Shareholder or each of the Transferees who
become a Shareholder, as to himself, (a) understands that the shares of
Acquiror Common Stock to be issued to such Shareholder have not been, and will
not be, registered under the Federal securities laws or any state securities
laws, and are being offered and sold in reliance upon Federal and state
exemptions for transactions not involving any public offering, (b) is acquiring
the shares of the Acquiror's Common Stock solely for his own account for
investment purposes, and not with a view to the distribution thereof, (c) is a
sophisticated investor with knowledge and experience in business and financial
matters, (d) has received certain information concerning the Acquiror, and has
had the opportunity to obtain additional information if desired in order to
evaluate the merits and risks inherent in holding the shares of Acquiror Common
Stock, (e) is able to bear the economic risk and lack of liquidity inherent in
holding the shares of Acquiror Common Stock, and (f) is an Accredited Investor.

                                   ARTICLE V

                 REPRESENTATIONS AND WARRANTIES OF THE ACQUIROR
                             AND ACQUISITION CORP.

         The Acquiror and Acquisition Corp. represent and warrant to the
Shareholder as follows:

         5.01    ORGANIZATION.  The Acquiror is a corporation duly organized
under the laws of the State of Delaware and is validly existing and in good
standing under the laws of such jurisdiction.  Acquisition Corp. is a
corporation duly organized under the laws of the State of Louisiana and is
validly existing and in good standing under the laws of such jurisdiction.
<PAGE>   35
                                                                              30

         5.02    QUALIFICATION.  Each of the Acquiror and Acquisition Corp. is
duly qualified to do business as a foreign corporation and is in good standing
in each jurisdiction in which the nature of the Business as now conducted or
the character of the property owned or leased by it makes such qualification
necessary.  Each of the Acquiror and Acquisition Corp. has all requisite
corporate power and authority to own its properties and assets and to carry on
the Business as it currently conducts.

         5.03    AUTHORITY; ENFORCEABILITY.  Each of the Acquiror and
Acquisition Corp. has all requisite corporate power and authority to execute
and deliver this Agreement and any other Transaction Documents to which such
entity is a party and to perform its obligations hereunder and thereunder.  The
execution and delivery of this Agreement and the other Transaction Documents to
which Acquiror and Acquisition Corp. is a party and the performance of such
entity's obligations contemplated hereby and thereby have been duly and validly
approved by all corporate action, if any, necessary on behalf of such entity.
This Agreement and each of the Transaction Documents to which Acquiror and
Acquisition Corp. is a party constitutes the legal, valid and binding
obligations of such entity, enforceable against it in accordance with their
terms, subject to Creditors' Rights.  All other documents required hereunder to
be executed and delivered by the Acquiror and/or Acquisition Corp. at the
Closing have been duly authorized, executed and delivered by such entity and
constitute the legal, valid and binding obligations of such entity, enforceable
against it in accordance with their terms, subject to the Creditors' Rights.

         5.04    CONSENTS; ABSENCE OF CONFLICTS.  Neither the execution and
delivery by the Acquiror and Acquisition Corp. of this Agreement or the other
Transaction Documents to which such entity is a party, nor the consummation of
the transactions contemplated hereby and thereby will (a) violate or breach the
terms of, cause a default under, conflict with, result in acceleration of,
create in any party the right to accelerate, terminate, modify or cancel,
require any notice or consent or give rise to any preferential purchase or
similar right under (i) any applicable Law, (ii) such entity's charter or
bylaws, or (iii) any Contract to which such entity is a party or by which it,
or any of its properties, is bound, (b) result in the creation or imposition of
any Lien (other than a Permitted Lien) on any of such entity's assets or
properties, (c) result in the cancellation, forfeiture, revocation, suspension
or adverse modification of any existing consent, approval, authorization,
license, permit, certificate or order obtained by such entity from any
Governmental Authority having jurisdiction over such entity or (d) with the
passage of time or the giving of notice or the taking of any action of any
third party have any of the effects set forth in clause (a), (b) or (c) of this
Section 5.04.

         5.05    CAPITALIZATION OF THE ACQUIROR.  As of the date hereof, the
authorized capital stock of the Acquiror consists of 20,000,000 shares of
common stock, par value $.001 per share, of which 8,898,441 shares are issued
and outstanding and 1,050,000 shares are reserved for issuance under existing
stock option plans, 3,000,000 shares of Restricted Common Stock, par value
$.001 per share, of which 250,000 shares are issued and outstanding, and
2,000,000 shares of Preferred Stock, $.001 par value of which no shares are
outstanding.  The issued and outstanding shares of the Acquiror have been duly
authorized, validly issued and are fully paid and non-assessable.
<PAGE>   36
                                                                              31

         5.06    REPORTS; FINANCIAL STATEMENTS.

                 (a)      Since December 31, 1997, Acquiror has filed all
forms, reports, statements and other documents required to be filed with the
Securities and Exchange Commission (the "Commission"), including without
limitation (i) the Annual Reports on Form 10-K, (ii) all Quarterly Reports on
Form 10-Q, (iii) all proxy statements relating to meetings of shareholders
(whether annual or special), (iv) all Current Reports on Form 8-K and (v) all
other reports, schedules, registration statements or other documents
(collectively referred to as the "Acquiror SEC Reports").  The Acquiror SEC
Reports were prepared in all material respects in accordance with the
requirements of applicable Law (including the Securities Act or the Exchange
Act, as the case may be, and the rules and regulations of the Commission
thereunder applicable to the Acquiror SEC Reports) and the Acquiror SEC Reports
did not at the time they were filed contain any untrue statement of a material
fact or omit to state a 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 were made, not misleading.  Acquiror has
provided the Shareholders with true and complete copies of all Acquiror SEC
Reports.

                 (b)      Each of the historical consolidated financial
statements (including, in each case, any related notes thereto) contained in
the Acquiror SEC Reports (i) have been prepared in accordance with the
published rules and regulations of the Commission and GAAP applied on a
consistent basis throughout the periods involved (except (A) to the extent
disclosed therein or required by changes in GAAP, (B) as may be indicated in
the notes thereto and (C) in the case of the unaudited financial statements, as
permitted by the rules and regulations of the Commission) and (ii) fairly
present the consolidated financial position of Acquiror and its subsidiaries as
of the respective dates thereof and the consolidated results of operations and
cash flows for the periods indicated (subject, in the case of unaudited
consolidated financial statements for interim periods, to adjustments,
consisting only of normal, recurring accruals, necessary to present fairly such
results of operations and cash flows).

         5.07    ABSENCE OF CERTAIN CHANGES OR EVENTS.  Except as disclosed in
the Acquiror SEC Reports filed prior to the date of this Agreement or as
contemplated by this Agreement, since March 31, 1998, Acquiror and its
Subsidiaries have conducted their respective businesses only in the Ordinary
Course of Business and in a manner consistent with past practice, and there has
not been any Acquiror Material Adverse Effect.

         5.08    REPRESENTATIONS AS TO SHARES ISSUED.  Upon consummation of the
transactions contemplated by this Agreement and issuance of the Acquiror Common
Stock in connection therewith or the Preferred Stock to be designated pursuant
to the terms and provisions set forth on Annex IV ("Preferred Stock") that
Gallander has the option to receive in lieu of cash pursuant to Section
2.07(c), the Acquiror Common Stock and Preferred Stock will be duly authorized,
<PAGE>   37
                                                                              32

validly issued, fully paid and non assessable, and free and clear of any Lien
other than restrictions noted on the legends on the stock certificates
evidencing such shares in compliance with federal or state securities laws.
The issuance of the Acquiror Common Stock or Preferred Stock will not violate
Acquiror's charter or bylaws or any agreement or other document to which
Acquiror is a party or by which the Acquiror is bound or give rise to
preemptive rights, preferential rights or any such other rights or claims on
the part of any Person that have not been previously waived.

         5.09    BROKERS' FEES.  Neither the Acquiror nor any of its Affiliates
have any liability or obligation to pay any fees or commissions to any broker,
finder, or agent with respect to the transactions contemplated by this
Agreement for which the Shareholder or any Affiliates thereof could become
liable or obligated.

                                   ARTICLE VI

               COVENANTS OF THE DICKSON GROUP AND THE SHAREHOLDER

         6.01    AFFIRMATIVE COVENANTS OF THE DICKSON GROUP AND THE
SHAREHOLDER.  The Dickson Group and the Shareholder hereby covenant and agree
that, prior to the Closing, unless otherwise expressly contemplated by this
Agreement or consented to in writing by Acquiror and Acquisition Corp. (which
consent shall not be unreasonably withheld), the Dickson Group and the
Shareholder will cause the Dickson Group to:

                 (a)      operate its Business in the Ordinary Course of
Business;

                 (b)      use all reasonable efforts to preserve substantially
intact its Business organization, maintain its rights and franchises, retain
the services of its respective officers and key employees and maintain its
relationships with its respective customers and suppliers;

                 (c)      maintain and keep its properties and assets in as
good repair and condition as at present, ordinary wear and tear excepted, and
maintain supplies and inventories in quantities consistent with its customary
business practice;

                 (d)      use all reasonable efforts to keep in full force and
effect insurance and bonds comparable in amount and scope of coverage to those
currently maintained;

                 (e)      submit to Acquiror for review any and all bids,
proposed Contracts, cost estimates and reports on the status of
work-in-progress in excess of $100,000 for any of the Dickson Group during the
interim period between the execution of this Agreement and Closing;

                 (f)      assign and convey to the Shareholder all of the
Dickson Group's benefits,  claims, rights and/or interests and shall cause the
Shareholder to assume all future costs and liabilities with respect to the
following causes of action and corresponding contingent receivables or
contingent payables:  (i) the Dickson IV casualty 1992; (ii) the Phoenix
construction controversy; and (iii) the UMIC Group controversy; and (iv) the
automobiles referenced on Schedule 6.02; and
<PAGE>   38
                                                                              33

                 (g)      cause all inter company balances between any of the
Dickson Group and Dickson International Sales Corp. or any other Shareholder
Affiliate to be settled or paid.

         6.02    NEGATIVE COVENANTS OF THE DICKSON GROUP AND THE SHAREHOLDER.
Except as expressly contemplated by this Agreement, as set forth on Schedule
6.02 or otherwise consented to in writing by Acquiror, from the date of this
Agreement until the Closing, the Dickson Group and the Shareholder will not do,
and will not permit any of the Dickson Group Affiliates to do, any of the
following:

                 (a)      (i) increase the compensation payable to or to become
payable to any director or executive officer; (ii) increase the compensation
payable or pay bonuses to any employees other than in the Ordinary Course of
Business, (iii) grant any severance or termination pay (other than pursuant to
the normal severance practices of the Dickson Group as in effect on the date of
this Agreement) to, or enter into any employment or severance agreement with,
any director, officer or employee; (iv)  establish, adopt or enter into any
employee benefit plan or arrangement or (v) except as may be required by
applicable Law, amend, or take any other actions (including, without
limitation, the acceleration of vesting, waiving of performance criteria or the
adjustment of awards or any other actions permitted upon a "change in control"
(as defined in the respective plans) of the Dickson Group), with respect to any
of the Benefit Plans or any of the plans, programs, agreements, policies or
other arrangements described in Section 4.23 of this Agreement;

                 (b)      declare or pay any dividend on, or make any other
distribution in respect of, outstanding shares of its or any of its
Subsidiaries' capital stock or other equity interests;

                 (c)      (i) redeem, purchase or otherwise acquire any shares
of the Affiliates' or any of their Subsidiaries' capital stock, any securities
or obligations convertible into or exchangeable for any shares of the
Affiliates' or their Subsidiaries' capital stock (other than any such
acquisition directly from any wholly owned subsidiary of the Dickson Group in
exchange for capital contributions or loans to such Subsidiary), or any options,
warrants or conversion or other rights to acquire any shares of the Affiliates'
or their Subsidiaries' capital stock or any such securities or obligations;
(ii) effect any reorganization or recapitalization of the Dickson Group or
their Affiliates; or (iii) split, combine or reclassify any of the Affiliates'
capital stock or issue or authorize or propose the issuance of any other
securities in respect of, in lieu of, or in substitution for, shares of the
Affiliates' capital stock;

                 (d)      (i) issue (whether upon original issue or out of
treasury), sell, grant, award, deliver or limit the voting rights of any shares
of any class of the Dickson Group or their Affiliates' capital stock, any
securities convertible into or exercisable or exchangeable for any such shares,
or any rights, warrants or options to acquire, any such shares; (ii) amend or
otherwise modify the terms of any such rights, warrants or options the effect
of which shall be to
<PAGE>   39
                                                                              34

make such terms materially more favorable to the holders thereof; or (iii) take
any action to accelerate the vesting of any stock options;

                 (e)      acquire or agree to acquire, by merging or
consolidating with, by purchasing an equity interest in or a portion of the
assets of, or by any other manner, any business or any corporation,
partnership, association or other business organization or division thereof, or
otherwise acquire or agree to acquire any assets of any other person (other
than the purchase of assets from suppliers or vendors in the Ordinary Course of
Business and consistent with past practice);

                 (f)      sell, lease, exchange, mortgage, pledge, transfer or
otherwise dispose of, or agree to sell, lease, exchange, mortgage, pledge,
transfer or otherwise dispose of, any of their assets, the Affiliates' assets
or any assets of any of their Subsidiaries, except for pledges or dispositions
of assets in the Ordinary Course of Business and consistent with past practice;

                 (g)      initiate, solicit or encourage (including by way of
furnishing information or assistance), or take any other action to facilitate,
any inquiries or the making of any proposal relating to, or that may reasonably
be expected to lead to, any Competing Transaction (as defined below), or enter
into discussions or negotiate with any person or entity in furtherance of such
inquiries or to obtain a Competing Transaction, or agree to, or endorse, any
Competing Transaction, or authorize any of the officers, directors, employees
or agents of the Dickson Group or of the Affiliates or any agent, investment
banker, financial advisor, attorney, accountant or other representative
retained by the Dickson Group or their Affiliates to take any such action, and
the Dickson Group shall promptly notify Acquiror or promptly provide Acquiror
with a copy of all relevant terms of any such inquiries or proposals received
by the Dickson Group, the Shareholder or any of their Affiliates.  For purposes
of this Agreement, the term "Competing Transaction" shall mean any proposal or
offer from any person or entity (other than Acquiror or an affiliate of
Acquiror) relating to any acquisition or purchase of all or (other than in the
ordinary course of business) any material portion of the assets of, or any
possible disposition or issuance of any Dickson Shares or any capital stock or
other equity interests in the Dickson Group or their Affiliates (or any rights
or securities exercisable for or convertible into Dickson Shares or any such
capital stock or other equity interests), or any merger or other business
combination with, the Dickson Group or their Affiliates;

                 (h)      release any third party from its obligations under
any existing standstill agreement or arrangement relating to a Competing
Transaction or otherwise under any confidentiality or other similar agreement
relating to information material to the Dickson Group, the Affiliates or any of
their Subsidiaries;

                 (i)      propose to adopt any amendments to their charter or
bylaws;

                 (j)      (i) change any of its significant accounting policies
or (ii) make or rescind any express or deemed election relating to Taxes,
settle or compromise any material claim,
<PAGE>   40
                                                                              35

action, suit, litigation, proceeding, arbitration, investigation, audit or
controversy relating to Taxes, or change any of its methods of reporting income
or deductions for Tax purposes from those employed in the preparation of Tax
returns for the taxable year ending December 31, 1997, except, in the case of
clause (i) or clause (ii), as may be required by any Law or by GAAP;

                 (k)      incur any obligation for borrowed money or purchase
money indebtedness, whether or not evidenced by a note, bond, debenture or
similar instrument or under any financing lease, whether pursuant to a
sale-and-leaseback transaction or otherwise, except in the Ordinary Course of
Business consistent with past practice;

                 (l)      enter into any material arrangement, agreement or
contract with any third party other than in the Ordinary Course of Business;

                 (m)      take any action that reasonably could be expected to
result in any of the conditions set forth in Article X not being satisfied; or

                 (n)      agree in writing or otherwise to do any of the
foregoing.

                                  ARTICLE VII

                          COVENANTS OF THE SHAREHOLDER

         7.01    COVENANTS OF THE SHAREHOLDER.  The Shareholder (and each
Transferee to the extent such has become a Shareholder) covenants and agrees
that, prior to the Closing, such Shareholder will not:

                 (a)      take any action that reasonably could be expected to
result in any of the conditions set forth in Article X not being satisfied; or

                 (b)      initiate, solicit or encourage (including by way of
furnishing information or assistance), or take any other action to facilitate,
any inquiries or the making of any proposal relating to, or that may reasonably
be expected to lead to, any Competing Transaction, or enter into discussions or
negotiate with any person or entity in furtherance of such inquiries or to
obtain a Competing Transaction, or agree to, or endorse, any Competing
Transaction, or authorize any agent, investment banker, financial advisor,
attorney, accountant or other representative retained by such Shareholder to
take any such action, and such Shareholder shall promptly notify Acquiror or
promptly provide Acquiror with a copy of all relevant terms of any such
inquiries or proposals received by such Shareholder.
<PAGE>   41
                                                                              36

                                  ARTICLE VIII

                             ADDITIONAL AGREEMENTS

         8.01    NOTIFICATION OF CERTAIN MATTERS.  The Dickson Group, the
Shareholder and each Transferee to the extent such has become a Shareholder
shall give prompt notice to Acquiror and Acquisition Corp., and Acquiror and
Acquisition Corp. shall give prompt notice to the Dickson Group and the
Shareholder, orally and in writing, of (i) the occurrence, or failure to occur,
of any event which occurrence or failure would be likely to cause any
representation or warranty of the party giving such notice contained in this
Agreement to be untrue or inaccurate at any time from the date hereof to the
Closing in any material respect (unless said representation and warranty is
given as of the Closing Date through an amendment in addition to the
Schedules), (ii) any material failure of the party giving such notice to comply
with or satisfy any covenant, condition or agreement to be complied with or
satisfied by such person hereunder within the time specified therefor and (iii)
any change or event having, or which, insofar as can be reasonably foreseen,
could have a Material Adverse Effect.

         8.02    ACCESS AND INFORMATION.

                 (a)      The Dickson Group shall, and shall cause their
Affiliates to, (i) afford to Acquiror and its officers, directors, employees,
accountants, consultants, legal counsel, agents and other representatives
(collectively, the "Acquiror Representatives") access during ordinary business
hours and at other reasonable times, upon reasonable prior notice, to the
officers, employees, accountants, agents, properties, offices and other
facilities of the Dickson Group and its Subsidiaries and to the books and
records thereof and (ii) furnish promptly to Acquiror and the Acquiror
Representatives such information concerning the business, properties,
contracts, records and personnel of the Dickson Group and its Subsidiaries
(including, without limitation, financial, operating and other data and
information) as may be reasonably requested, from time to time, by Acquiror or
the Acquiror Representatives.

                 (b)      The terms and provision of the mutual confidentiality
and non-disclosure agreement, dated December 30, 1997, between the Acquiror and
the Dickson Group shall remain in full force and effect in accordance with its
terms.
<PAGE>   42
                                                                              37

         8.03    APPROPRIATE ACTION; CONSENTS; FILINGS.

                 (a)      The Dickson Group, the Shareholder, the Acquiror and
the Acquisition Corp. shall use, all reasonable efforts promptly (i) to take,
or cause to be taken, all appropriate action, and do, or cause to be done, all
things necessary, proper or advisable under applicable Law or otherwise to
consummate and make effective the transactions contemplated by this Agreement,
(ii) to obtain from any Governmental Authority any consents, licenses, permits,
waivers, approvals, authorizations or orders required to be obtained by the
Dickson Group, the Shareholder or Acquiror or Acquisition Corp., respectively,
in connection with the authorization, execution, delivery and performance of
this Agreement and the consummation of the transactions contemplated hereby and
(iii) to make all necessary filings, and thereafter make any other required
submissions, with respect to this Agreement and the transactions contemplated
hereby under (A) the Exchange Act, the rules and regulations thereunder and any
other applicable U. S. federal or state securities laws, (B) the
Hart-Scott-Rodino Act ("HSR" Act) and (C) any other applicable Law; provided
that Acquiror, the Shareholder, the Dickson Group and Acquisition Corp. shall
cooperate with each other in connection with the making of all such filings,
including providing copies of all such documents to the nonfiling party and its
advisors prior to filing (except, with respect to the HSR Act, for such
documents that are not customarily provided to the other party) and, if
requested, shall accept all reasonable additions, deletions or changes
suggested in connection therewith.  The Dickson Group, Acquiror, the
Shareholder, and Acquisition Corp. shall furnish all information required for
any application or other filing to be made pursuant to the rules and
regulations of any applicable Law in connection with the transactions
contemplated by this Agreement.

                 (b)      Dickson Group, the Acquiror and, to the extent
applicable to a particular Shareholder, such Shareholder agree to cooperate and
to use all reasonable efforts to contest and resist any action, including
legislative, administrative or judicial action, and to have vacated, lifted,
reversed or overturned any decree, judgment, injunction or other order (whether
temporary, preliminary or permanent) (an "Order") that is in effect and that
restricts, prevents or prohibits the consummation of the transactions
contemplated by this Agreement, including, without limitation, by vigorously
pursuing all available avenues of administrative and judicial appeal and all
available legislative action.  Acquiror, the Shareholder, and the Dickson Group
also agree to take all reasonable actions, including, without limitation, the
disposition of assets or the withdrawal from doing business in particular
jurisdictions, required by regulatory authorities as a condition to the
granting of any approvals required in order to permit the consummation of the
transactions contemplated hereby or as may be required to avoid, lift, vacate
or reverse any legislative or judicial action that would otherwise cause any
condition to Closing not to be satisfied; provided, however, that in no event
shall any party take, or be required to take, any action that could reasonably
be expected to have a Material Adverse Effect.

                 (c)      The Dickson Group, Acquiror, the Shareholder and
Acquisition Corp. shall each promptly give any notices regarding this Agreement
or the transactions contemplated
<PAGE>   43
                                                                              38

hereby to third parties required by Law or by any contract, license, lease or
other agreement to which such person is a party or by which such person is
bound, and use all reasonable efforts to obtain any third party consents (i)
necessary to consummate the transactions contemplated by this Agreement, or
(ii) otherwise required under any contracts, licenses, leases or other
agreements in connection with the consummation of the transactions contemplated
by this Agreement.

                 (d)      If the Dickson Group, the Shareholder, Acquisition
Corp. or Acquiror shall fail to obtain any third party consent described in
subsection (c)(i) above, such party shall use all reasonable efforts, and shall
take any such actions reasonably requested by the other parties, to limit the
adverse effect upon the Dickson Group, Acquiror, the Affiliates, their
respective businesses and the Shareholder resulting, or which could reasonably
be expected to result after the Closing, from the failure to obtain such
consent.

         8.04    PUBLIC ANNOUNCEMENTS.  Acquiror and the Dickson Group shall
consult with each other before issuing any press release or otherwise making
any public statements with respect to this Agreement or the transactions
contemplated hereby and shall not issue any such press release or make any such
public statement prior to such consultation; provided, however, that a party
may, without consulting with the other party, issue such a press release or
make such a public statement if required by applicable Law or the rules of the
NASD or a national securities exchange if such party has used commercially
reasonable efforts to consult with the other party but has been unable to do so
in a timely manner.

         8.05    EXPENSES.  All costs and expenses incurred by the Shareholder
or by the Acquiror in connection with this Agreement and the transactions
contemplated hereby shall be paid by the party incurring such expenses.
Without limiting the foregoing, if a Closing of the transaction contemplated
hereunder should occur, it is expressly agreed that Acquiror shall pay all
filing fees to obtain necessary consents under the HSR Act; provided, however,
if the Closing does not occur, the Acquiror and the Shareholder shall each pay
one-half of such filing fees.  Expenses incurred by the Dickson Group and the
Shareholder in connection with this Agreement shall be borne and paid for by
the Dickson Group prior to Closing.

         8.06    BOARD OF DIRECTORS; EMPLOYMENT AGREEMENTS.

                 (a)      Acquiror shall take such action as may be necessary
to cause Fred E. Gallander, Jr. to be appointed or elected to the Board of
Directors of Acquiror as a director from the Closing until the regularly
scheduled election of the Board of Directors in 1999.  Further,  during the
term of Gallander's Employment Agreement, and so long as Gallander shall own or
control by proxy at least 7% of the issued and outstanding capital stock of the
Acquiror, the Acquiror shall nominate Gallander for election by its
shareholders to serve on the Board of Directors of Acquiror.
<PAGE>   44
                                                                              39

                 (b)      The Acquisition Corp. (and Acquiror, as guarantor)
and Gallander, Paul T. Gariepy, Jr., Bobby J. Frantom and Thomas G. Wright
shall execute the Employment Contracts attached hereto as Exhibits C, D, E and
F and become full-time employees of Acquisition Corp. immediately upon Closing
the transactions  contemplated by this Agreement.

         8.07    TRANSFER TAXES.  The Shareholder shall be responsible for the
payment of all transfer, sales, use or other similar Taxes resulting from the
transactions contemplated by this Agreement.

         8.08    CONDUCT OF BUSINESS DURING EARN-OUT PERIOD.  During the
Earn-Out Period, Gallander shall be entitled to operate and manage the business
of the Dickson Group consistent with  the Ordinary Course of Business and shall
cause the books and records of the Dickson Group to be maintained in a manner
so that Adjusted EBTDA may be properly determined.  Acquiror shall have the
right to supervise or consult with Gallander concerning the operations and
management of the business of the Dickson Group during the Earn-Out Period.
Acquisition Corp. and Gallander will not be allowed to borrow funds or to incur
Long-Term Debt; provided, however, that in the event Acquisition Corp. requires
cash or working capital during the Earn-Out Period, Acquiror shall loan the
necessary funds to Acquisition Corp. in the Ordinary Course of Business in
accordance with substantially similar terms and conditions as Dickson GMP's
current working capital line of credit.  Under no circumstance shall Acquiror
be required to loan funds to Acquisition Corp. for capital expenditures or
investments other than for normal maintenance and repair items during the
Earn-Out Period.

         8.09    TAX REPORTS.  Shareholder shall prepare and file all requisite
federal and state tax returns for the period ending on the date on which any or
all of the Dickson Group loses its tax filing requirements as an "S"
corporation; provided, however, that Acquiror or a designated representative
will have the right to approve same, which approval shall not be unreasonably
withheld.

         8.10    NO NAME CHANGE OF DICKSON GMP OR LOCATION.  Acquiror covenants
and agrees that from and after the Closing Date through the Earn-Out Period
Acquiror shall not amend the articles of incorporation of the Surviving
Corporation to change its name or operate Dickson GMP under any  name other
than "Dickson GMP International, Inc.," or voluntarily change the location of
the Fabricating Facility and office located on the Scheduled Fee Lands and
Leases, without the approval of Shareholder.
<PAGE>   45
                                                                              40

                                   ARTICLE IX

                                INDEMNIFICATION

         9.01    BY SHAREHOLDER.  Subject to the terms and conditions of this
Article IX, the Shareholder hereby agrees to indemnify, defend and hold
harmless Acquiror and its directors, officers, employees, consultants,
Affiliates and controlling persons (hereinafter, including the Dickson Group
and its Subsidiaries after the Closing, collectively, the "Acquiror Indemnified
Parties") from and against all Claims (as defined below) asserted against,
imposed upon or incurred by Acquiror or any Acquiror Indemnified Party,
directly or indirectly, by reason of, arising out of, or resulting from (a) the
inaccuracy or breach of any representation or warranty of the Dickson Group or
such Shareholder contained in or made pursuant to this Agreement, including,
but not limited to, any environmental matter in Section 4.24; and (b) the
breach of any covenant or agreement of the Dickson Group or such Shareholder
contained in or made pursuant to this Agreement; provided, however, Acquiror
and Acquiror Indemnified Parties covenant and agree that in no event shall the
liability, in the aggregate, of the Shareholder, in his capacity as
indemnifying party, for any and all indemnified Claims under this Article IX
exceed the Purchase Price, subject, however, to the provisions of Section
9.07(b).  As used in this Section 9.01, the term "Claim" shall include (i) all
debts, liabilities and obligations; (ii) all losses, damages, reasonable costs
and expenses (including, without limitation, interest (including prejudgment
interest in any litigated matter), but excluding any allocation of overhead
costs and expenses of Acquiror or any of its Subsidiaries), penalties, court
costs and reasonable legal, accounting, consulting and engineering fees and
expenses; (iii) all reasonable and necessary costs that may be attributable to
an Environmental Condition or that may be necessary to comply with
Environmental Laws, including, but not limited to, the removal of Hazardous
Materials and the remediation of any property according to standards
established by Environmental Law or standards established on a case-by-case
basis by any Governmental Authority according to Environmental Law; and (iv)
all demands, Claims, actions, costs of investigation, causes of action,
proceedings, arbitrations, judgments, settlements and assessments, whether or
not ultimately determined to be valid.  Acquiror has no obligation to seek
recovery of any Claim, or any portion thereof, from any insurance policies
covering the Dickson Group and/or Shareholder in effect prior to the Closing,
but will reasonably cooperate with Shareholder in Shareholder's seeking such
recovery.  In the event that the Dickson Group and/or the Shareholder recover
from such an insurance policy for a Claim, or a portion thereof made by
Acquiror, and such insurance recovery was paid to Acquiror by the insurance
company, then Acquiror shall reimburse the Dickson Group and/or the Shareholder
for that portion of the Claim that  was paid by both the Dickson Group and/or
the Shareholder to Acquiror on the one hand and the insurance company on the
other.

         9.02    BY ACQUIROR AND ACQUISITION CORP.   Subject to the terms and
conditions of this Article IX, Acquiror and Acquisition Corp., jointly and
severally, hereby agree to indemnify, defend and hold harmless the Shareholder
and his legal representatives, heirs and assigns
<PAGE>   46
                                                                              41

(collectively, the "Shareholder Indemnified Parties") from and against all
Claims (as defined below) asserted against, imposed upon or incurred by the
Shareholder or any Shareholder Indemnified Party, by reason of, arising out of,
or resulting from (a) the inaccuracy or breach of any representation or
warranty of the Acquiror and/or Acquisition Corp.  contained in or made
pursuant to this Agreement; (b) the breach of any covenant or agreement of
Acquiror and/or Acquisition Corp. contained in or made pursuant to this
Agreement; and (c) matters assumed by Acquiror and/or Acquisition Corp.
pursuant to Section 2.05 of, or elsewhere in, this Agreement.  As used in this
Section 9.02, the term "Claim" shall include (i) all debts, liabilities and
obligations, (ii) all losses, damages, reasonable costs and expenses
(including, without limitation, interest (including prejudgment interest in any
litigated matter), penalties, court costs and reasonable legal, accounting,
consulting and/or engineering fees and expenses), and (iii) all demands,
Claims, actions, costs of investigations, causes of action, proceedings,
arbitrations, judgments, settlements and assessments, whether or not ultimately
determined to be valid.

         9.03    DEFENSE OF THIRD PARTY CLAIMS.  The obligation of the
Shareholder to indemnify the Acquiror Indemnified Parties under this Article IX
with respect to Claims under Section 9.01 and the obligation of Acquiror to
indemnify the Shareholder Indemnified Parties under this Article IX with
respect to Claims under Section 9.02 relating to or arising from third parties
(a "Third Party Claim") shall be subject to the terms and conditions set forth
below.  As used in this Section 9.03, Acquiror Indemnified Parties and
Shareholder Indemnified Parties are each referred to as an "Indemnified Party."

                 (a)      NOTICE AND DEFENSE.  The Indemnified Party will give
the party obligated to indemnify the Indemnified Party under this Article IX
(referred to in this Section as the "Indemnifying Party") prompt written notice
of any such Third Party Claim, and the Indemnifying Party may undertake the
defense thereof by representatives chosen by the Indemnifying Party upon
written notice to the Indemnified Party provided within 20 days of receiving
notice of such Third Party Claim (or sooner if the nature of the Third Party
Claim so requires and an extension cannot be obtained with minimal expense or
cost).  Failure of the Indemnified Party to give such notice shall not affect
the indemnification obligations under this Article IX, except to the extent the
Indemnifying Party's defense of a Third Party Claim is materially prejudiced
thereby.  The Indemnified Party shall make available to the Indemnifying Party
or its representatives all records and other materials required by the
Indemnifying Party and in the possession or under the control of the
Indemnified Party for the use of the Indemnifying Party and its representatives
in defending any such clam, and shall in other respects give reasonable
cooperation in such defense.  If notice or consent is required to be given or
obtained under this Section 9.03 to or from Shareholder or a  Shareholder
Indemnified Party, then notice will be sent to or consent will be requested
from the Shareholder Representative at the address for the Shareholder
Representative set forth in Section 11.06, if notice or consent is required to
be given or obtained under this Section 9.03 to or from Acquiror or an Acquiror
Indemnified Party, then notice will be sent to or consent will be requested
from the Acquiror at the address for Acquiror set forth in Section 11.06.
<PAGE>   47
                                                                              42

                 (b)      FAILURE TO DEFEND.  If the Indemnifying Party, within
20 days after notice of any such Third Party Claim (or sooner if the nature of
any Third Party Claim so requires), fails to undertake the defense of such
Third Party Claim actively and in good faith, then the Indemnified Party will
have the right to undertake the defense, compromise or settlement of such Third
Party Claim, or consent to the entry of a judgment with respect thereto.

                 (c)      INDEMNIFIED PARTY'S RIGHTS.  Anything in this Article
IX to the contrary notwithstanding, (i) if there is a reasonable probability
that the Third Party Claim may materially adversely affect the Indemnified
Party other than as a result of money damages and such Third Party Claim is
reasonably likely to result in money payments in an aggregate amount of less
than $25,000, the Indemnified Party shall have the right to defend, compromise
or settle such Third Party Claim (provided that the Indemnified Party shall not
settle such Third Party Claim or consent to any judgment without first
obtaining the written consent of the Indemnifying Party, which shall not be
unreasonably withheld), and (ii) the Indemnifying Party shall not without the
written consent of the Indemnified Party, settle or compromise any Third Party
Claim or consent to the entry of any judgment that does not include as an
unconditional term thereof the giving by the claimant or the plaintiff to the
Indemnified Party of an unconditional release from all liability in respect of
such Third Party Claim.

         9.04    WAIVER.  The Shareholder hereby agrees to waive, and to not
assert, any and all rights such Shareholder may have under any applicable Law
or otherwise to make a claim against or otherwise demand or receive payment
from the Acquisition Corp., the Dickson Group or any of its Subsidiaries
arising out of or with respect to the inaccuracy or breach of any
representation or warranty of the Dickson Group set forth in this Agreement,
the breach by the Acquisition Corp. or the Dickson Group of any covenant or
agreement of the Dickson Group set forth in this Agreement or the payment of
any amounts to the Acquiror Indemnified Parties pursuant to this Article IX or
the Escrow Agreement.

         9.05    REQUIRED SETOFF.  Notwithstanding anything to the contrary
contained herein with regard to any Claims for which Acquiror Indemnified
Parties are entitled to indemnification under Section 9.01 hereof, Acquiror or
any other Acquiror Indemnified Party first must offset any such amounts to
which it is entitled to be indemnified under Section 9.01 of this Agreement
against the Contingent Consideration.

         9.06    BASKET.  No Claim for indemnification under Section 9.01 may
be made by an Acquiror Indemnified Party after determination of The Balance
Sheet Adjustments and Working Capital Adjustments, as defined in the Escrow
Agreement, unless and until, and only to the extent that, the amount of all
Claims, in the aggregate, exceeds $300,000.00.
<PAGE>   48
                                                                              43

         9.07    TERMINATION OF REPRESENTATIONS, WARRANTIES AND INDEMNITIES.

                 (a)      All representations and warranties contained herein
or pursuant to this Agreement shall survive the consummation of the
transactions provided for in this Agreement for eighteen months from the
Closing; save and except any Claims for breaches of the representations and
warranties made solely as to Taxes set forth in Section 4.18, any penalties or
fines attributable to the Air Quality Permit; or representations as to the
Acquiror Common Stock and Preferred Stock set forth in Section 5.08, each of
which shall survive until 30 days following the expiration of the applicable
statute of limitation; otherwise, covenants and indemnities shall survive the
Closing.

                 (b)      All Claims of the Acquiror or Acquisition Corp. for
breaches of any  representation, warranty, covenant, or indemnity of the
Shareholder and the Dickson Group contained herein or pursuant to this
Agreement as such relates in any way to Dickson Nigeria and/or Servicios y
Construcciones shall be limited to an aggregate of $1.0 million.

                                   ARTICLE X

                                   CONDITIONS

         10.01   CONDITIONS PRECEDENT TO OBLIGATIONS OF EACH PARTY.  The
respective obligations of Acquiror, Acquisition Corp., the Dickson Group and
the Shareholder to effect the transactions contemplated hereby shall be subject
to the satisfaction at or prior to the Closing of the following conditions, any
or all of which may be waived by the agreement of the parties, in whole or in
part, to the extent permitted by applicable Law:

                 (a)      Acquiror, the Shareholder, the Shareholder
Representative and the Escrow Agent shall each have executed and delivered the
Escrow Agreement and the Registration Rights Agreement substantially in the
form set forth on Exhibits B and G, respectively;

                 (b)      no Governmental Authority shall have enacted, issued,
promulgated, enforced or entered any Law or Order which is in effect and which
has the effect of making the transactions contemplated in this Agreement
illegal or otherwise prohibiting consummation of the transaction or such other
transactions contemplated by this Agreement;

                 (c)      the applicable waiting period under the HSR Act shall
have expired or been terminated;

                 (d)      Shareholder and the Dickson Group shall have received
the consent of Chevron to the assignment of the Chevron Contracts to
Acquisition Corp.;
<PAGE>   49
                                                                              44

                 (e)      Each of the Transferees and Gallander, if required,
shall have executed the Appointment of Shareholder Representative substantially
in the form attached as Exhibit I; and

                 (f)      Gallander, Gariepy, Frantom, Wright and Acquisition
Corp., and Acquiror, as guarantor, shall have delivered to Acquiror executed
copies of their respective Employment Agreements in substantially the same form
as Exhibits C, D, E and F.

         10.02   CONDITIONS PRECEDENT TO OBLIGATIONS OF ACQUIROR.  The
obligations of Acquiror to effect the Transaction contemplated hereby shall be
subject to the satisfaction at or prior to the Closing of the following
conditions, any or all of which may be waived by Acquiror, in whole or in part,
to the extent permitted by applicable Law:

                 (a)      each of the representations and warranties of the
Dickson Group and the Shareholder contained in this Agreement shall be true and
correct in all material respects (without duplication of any materiality
exception contained in any individual representation and warranty) as of the
date of this Agreement (unless the representation and warranty is made as of
the Closing through an amendment or addition to the Schedules) and as of the
Closing as though made again as of the Closing.  Each Schedule shall be amended
or revised as necessary to accurately reflect the applicable information
through the Closing Date. Acquiror shall have received a certificate (i) of the
President and the Chief Financial Officer of  each of the Dickson Group, dated
the Closing Date, to such effect as it relates to the Dickson Group and (ii)
from the Shareholder, dated the Closing Date, to such effect;

                 (b)      the Dickson Group and the Shareholder or Shareholders
or Shareholder Representative shall have performed or complied with all
agreements and covenants required by this Agreement to be performed or complied
with by the Dickson Group or the Shareholder or Shareholders or Shareholder
Representative on or prior to the Closing.  Acquiror shall have received a
certificate (i) of the President and the Chief Financial Officer of each of the
Dickson Group, dated the Closing Date, to such effect as it relates to the
Dickson Group and (ii) from each of the Shareholders, dated the Closing Date,
to such effect as it relates to Article VII;

                 (c)      the resignations, effective at Closing, of each of
directors and officers of the Dickson Group shall have been delivered to
Acquiror;

                 (d)      the Shareholder and Shareholders or Shareholder
Representative shall have executed a stock power (or other appropriate
documentation) that effects the valid transfer of title to all of the issued
and outstanding Dickson Shares of the Dickson Group to Acquiror, except for the
Shares in Dickson GMP which shall be surrendered to the Acquisition Corp.
pursuant to the Merger;

                 (e)      Acquiror shall have received a title commitment to
the Belle Chasse Real Property showing as the only encumbrance the Building
Debt to be assumed by Acquiror at Closing, but all other exceptions listed on
the existing Policy of Title Insurance issued by first
<PAGE>   50
                                                                              45

American Title Insurance Company, Policy No. FA-31-231568 and Permitted Liens
shall be accepted as exceptions to the title commitment issued to Acquiror;

                 (f)      the Shareholder or Shareholders or Shareholder
Representative shall have complied with any requirements of the Articles of
Incorporation or Bylaws of the Dickson Group regarding the sale or transfer of
stock of the Dickson Group;

                 (g)      the Dickson Group shall have submitted an application
or request for any Permit described or referenced in Schedule 4.11 and/or
Schedule 4.24 of the Disclosure Schedule; and

                 (h)      the Shareholder Representative shall have duly
executed and delivered the Escrow Agreement, the Registration Rights Agreement
and the Appointment of Shareholder Representative and appropriate resolutions.

         10.03   CONDITIONS PRECEDENT TO OBLIGATIONS OF THE SHAREHOLDER.  The
obligations of the Shareholder to effect the transactions contemplated hereby
shall be subject to the satisfaction at or prior to the Closing of the
following conditions, any or all of which may be waived by the Shareholder, in
whole or in part, to the extent permitted by applicable Law:

                 (a)      forty percent of the Total Consideration received by
the Shareholder for tax purposes at the date of Closing  shall be  payable in
Acquiror Common Stock, without the necessity for Acquiror to obtain any further
consent, approval or vote;

                 (b)      each of the representations and warranties of
Acquiror and the Acquisition Corp. contained in this Agreement shall be true
and correct in all material respects (without duplication of any materiality
exception contained in any individual representation and warranty) as of the
date of this Agreement and as of the Closing as though made again as of the
Closing.  Each of the Schedules shall be amended or revised as necessary to the
Closing Date. The Shareholder shall have received a certificate of the
President and the Chief Financial Officer of Acquiror and the Acquisition
Corp., dated the Closing Date, to such effect;

                 (c)      Acquiror and the Acquisition Corp. shall have
performed or complied with all agreements and covenants required by this
Agreement to be performed or complied with by it on or prior to the Closing.
The Shareholder shall have received a certificate of the President and the
Chief Financial Officer of Acquiror and the Acquisition Corp., dated the
Closing Date, to such effect;

                 (d)      Acquiror and the Acquisition Corp. shall have duly
executed and delivered the Escrow Agreement, appropriate resolutions,  and
Acquiror shall have duly executed and delivered the Registration Rights
Agreement;
<PAGE>   51
                                                                              46

                 (e)      Acquiror and the Acquisition Corp. shall have (i)
paid the Initial Consideration to the Shareholder and (ii) delivered the
Escrowed Amount to the Escrow Agent pursuant the Escrow Agreement;

                 (f)      Acquisition Corp. shall have duly executed the
Certificate of Merger;

                 (g)      Acquiror shall pay to Power Offshore Services, Inc.
("Power Offshore") the  entire principal balance plus accrued interest, if any,
of the July 2, 1997 promissory note executed by Dickson GMP to Power Offshore
and shall cause Power Offshore to deliver to Gallander the conditional guaranty
of Gallander to Power Offshore dated June 5, 1998 marked "canceled"; provided
that the entire principal balance plus accrued interest, if any, shall be
deducted from the cash portion of the Initial Consideration paid to the
Shareholder on the Closing Date; and

                 (h)      Acquiror shall pay and extinguish the Debt of the
Dickson Group to First National Bank of Commerce ("FNBC Debt") and shall cause
FNBC to deliver to Gallander all guaranty agreements of Gallander and the
Affiliates of the Dickson Group to FNBC marked "canceled" and  Acquiror's
payment of the FNBC Debt shall not reduce the Purchase Price.

                                   ARTICLE XI

                                 MISCELLANEOUS

         11.01   TERMINATION.  This Agreement may be terminated, and the
transactions contemplated hereby may be abandoned at any time prior to the
Closing:

                 (a)      by mutual consent of Acquiror, the Dickson Group and
the Shareholder;

                 (b)      by Acquiror, the Dickson Group or the Shareholder if
the Closing has not occurred on or before October 31, 1998;

                 (c)      by Acquiror, upon a material breach of any covenant
or agreement on the part of the Dickson Group or the Shareholder set forth in
this Agreement, or if any representation or warranty of the Dickson Group or
the Shareholder shall have become untrue (a "Terminating Dickson Group
Breach"); provided that, if such Terminating Dickson Group Breach is curable by
the Dickson Group or the Shareholder through the exercise of reasonable efforts
and for so long as the Dickson Group or the Shareholder continues to exercise
such reasonable efforts, Acquiror may not terminate this Agreement under this
Section 11.01(c);

                 (d)      by the Dickson Group or the Shareholder, upon a
material breach of any covenant or agreement on the part of Acquiror and
Acquisition Corp. set forth in this Agreement, or if any representation or
warranty of Acquiror shall have become untrue (a "Terminating Acquiror
Breach"); provided that, if such Terminating Acquiror Breach is curable by
Acquiror
<PAGE>   52
                                                                              47

through the exercise of its reasonable efforts and for so long as Acquiror
continues to exercise such reasonable efforts, the Dickson Group and the
Shareholder may not terminate this Agreement under this Section 11.01(d); or

                 (e)      by Acquiror, the Dickson Group or the Shareholder if
there shall be any Order which is final and nonappealable preventing the
consummation of the Agreement, unless the party relying on such Order has not
complied with its obligations under Section 8.03.

         11.02   EFFECT OF TERMINATION.  In the event of any termination of
this Agreement pursuant to Section 11.01, the Dickson Group, the Shareholders
and Acquiror shall have no obligation or liability to each other except that
(i) the provisions of Sections 8.02(b) and 8.05 shall survive any such
termination, and (ii) nothing herein and no termination pursuant hereto will
relieve any party from liability for any breach of this Agreement.

         11.03   WAIVER AND AMENDMENT.  Any provision of this Agreement may be
waived at any time by the party that is entitled to the benefits thereof, and
if said party that is entitled to the benefits of such provision with knowledge
that a provision has not been satisfied proceeds with the Closing on the
Closing Date without having required the terms and conditions of such provision
to be met, then said party shall conclusively be deemed to have waived the
benefits of said provision.  This Agreement may not be amended or supplemented
at any time, except by an instrument in writing signed on behalf of each party
hereto. The waiver by any party hereto of any condition or of a breach of any
provision of this Agreement shall not operate or be construed as a waiver of
any other condition or subsequent breach.

         11.04   ENTIRE AGREEMENT; THIRD PARTY BENEFICIARIES.  This Agreement
(including the Schedules and Exhibits hereto) constitutes the entire agreement
and supersedes all other prior agreements and understandings, both oral and
written, among the parties or any of them, with respect to the subject matter
hereof.  Neither this Agreement nor any document delivered in connection with
this Agreement confers upon any person not a party hereto any rights or
remedies hereunder.

         11.05   ASSIGNMENT.  This Agreement shall inure to the benefit of and
will be binding upon the parties hereto and their respective legal
representatives, successors and permitted assigns.  Except as set forth in this
Agreement, this Agreement shall not be assignable by any party hereto without
the consent of the other parties hereto.  Acquiror may, upon notice to the
Shareholder, assign or delegate its rights and obligations under this Agreement
or any part hereof to any direct or indirect wholly owned subsidiary of
Acquiror, but no such assignment shall in any way operate to enlarge, alter or
change any obligation of or due to the Dickson Group or the Shareholder or
relieve Acquiror of its obligations hereunder.  If Acquiror assigns or
delegates its obligations hereunder, Acquiror shall execute a guarantee
agreement in form and content acceptable to Shareholder on the Closing Date.
Acquiror expressly grants its consent to Gallander and agrees that Gallander
shall be entitled to assign  or cause to be issued a portion of the Dickson
Shares in each of the members of Dickson Group to each of Gariepy, Frantom and
<PAGE>   53
                                                                              48

Wright (each a "Transferee") at or prior to Closing (the "Assignment Right").
Acquiror agrees that if Gallander exercises his Assignment Right said
Transferees shall be entitled to the rights and benefits and will be subject to
the obligations and liabilities hereunder of a Shareholder of the Dickson
Group, on a pro rata basis in the sharing ratios set forth on Schedule 2.07, as
then updated as of the date of Closing, and that all obligations including,
without limitation, indemnity obligations of the Shareholder shall be several
and not joint in proportion to their respective sharing ratios set forth on
Schedule 2.07.

         Each Transferee and his spouse intervene in the execution and delivery
of this Agreement and each hereby agrees as follows:

                 (a)      if Gallander exercises his Assignment Right, which
Gallander is not obligated to do, the Transferee agrees that the Dickson Shares
shall be subject to all of the terms and conditions of this Agreement and the
Transferee shall be bound by all of the terms and conditions hereof;

                 (b)      Gallander shall be the "Shareholder Representative"
as such term is defined and used in this Agreement for the purposes of notices
and determinations to be made under this Agreement and subject to the rights
and obligations set forth in the Appointment of Shareholder Representative,
attached hereto as Exhibit I;

                 (c)      the Acquiror Common Stock received by each Transferee
under the terms of this Agreement shall be subject to an irrevocable proxy in
favor of Gallander for a period of three (3) years from the date of issuance of
such Acquiror Common Stock to the Transferee and the Transferee agrees to
execute and deliver such an irrevocable proxy to Gallander on the Closing Date;
and

                 (d)      in the event of the unavailability or refusal of the
Transferee or his spouse to execute and deliver documents to which he is a
party and perform his obligations at Closing, the Transferee and the
Transferee's spouse hereby names and appoints Gallander as his agent and
attorney-in-fact to take all action which Gallander shall consider necessary or
advisable in connection with consummating the transactions contemplated under
this Agreement, hereby giving Gallander full power and authority to act in and
to the same extent as if the Transferee were personally present and hereby
ratifying and confirming all that Gallander shall lawfully do or cause to be
done by virtue of this power of attorney, so long as Gallander's interest is
handled substantially on the same terms and conditions as the Transferee's
interest.  The power of attorney granted pursuant to this Section is a special
power of attorney, is irrevocable, and shall survive the incapacity of the
Transferee.

         Each party to this Agreement hereby agrees that if Gallander exercises
his Assignment Right under this Section 11.05, then the term "Shareholder" as
used in this Agreement shall be deemed to be plural "Shareholders" and all
rights, benefits, and obligations of the Shareholders shall be shared on a
several and not joint basis, pro rata in proportion to their respective sharing
<PAGE>   54
                                                                              49

ratios set forth on Schedule 2.07, which shall be updated and the updated
Schedule 2.07 shall replace and supersede the Schedule 2.07 attached hereto on
the date of this Agreement.

         11.06   NOTICES.  All notices, requests, demands, claims and other
communications that are required to be or may be given under this Agreement
shall be in writing and (i) delivered in person or by courier, (ii) sent by
telecopy or facsimile transmission, or (iii) mailed, certified first class
mail, postage prepaid, return receipt requested, to the appropriate party at
the following addresses:

                 if to the Dickson Group or to the Affiliates:

                          Dickson GMP International, Inc.
                          4001 Woodland Highway
                          New Orleans, Louisiana  70131
                          Telecopy: (504) 398-7879
                          Attn:  Paul T. Gariepy, Jr.

                          with copies to:

                                  David A. Kerstein, Esq.
                                  228 St. Charles Avenue
                                  902 Whitney Building
                                  New Orleans, Louisiana  70130
                                  Telecopy:  (504) 525-5381

                                  Raymond James & Associates, Inc.
                                  2001 Ross Avenue, Suite 1100
                                  Dallas, Texas 75201
                                  Telecopy:  (214) 720-1315
                                  Attention:  Allen D. Lassiter

                 if to Acquiror or Acquisition Corp.:

                          TransCoastal Marine Services, Inc.
                          2925 Briarpark, Suite 930
                          Houston, Texas  77042
                          Telecopy:  (713) 781-6364
                          Attention:  Thad "Bo" Smith
<PAGE>   55
                                                                              50

                          with copies to:

                                  Johnson Rice & Company L.L.C.
                                  639 Loyola Avenue, Suite 2775
                                  New Orleans, Louisiana  70113
                                  Telecopy:  (504) 566-0742
                                  Attention:  Greg Miner

                                  Vinson & Elkins L.L.P.
                                  2300 First City Tower
                                  1001 Fannin Street
                                  Houston, Texas  77002-6760
                                  Telecopy:  (713) 615-5531
                                  Attention:  T. Mark Kelly

                 if to the Shareholder/Shareholder Representative:

                          Fred E. Gallander
                          Dickson GMP International, Inc.
                          4001 Woodland Highway
                          New Orleans, Louisiana  70131
                          Telecopy:  (504) 398-7879

                          with copies to:

                                  David A. Kerstein, Esq.
                                  228 St. Charles Avenue
                                  902 Whitney Bldg.
                                  New Orleans, Louisiana 70130
                                  Telecopy: (504) 525-5381

or to such other address as the parties set forth above shall have furnished to
the other parties set forth above by notice given in accordance with this
Section 10.07. Such notices shall be effective (i) if delivered in person or by
courier, upon actual receipt by the intended recipient, (ii) if sent by
telecopy or facsimile transmission, when the sender receives telecopier
confirmation that such notice was received at the telecopier number of the
addressee, or (iii) if mailed, upon the earlier of five days after deposit in
the mail and the date of delivery as shown by the return receipt therefor.

         11.07   GOVERNING LAW.  THE CONSTRUCTION, INTERPRETATION, AND VALIDITY
OF THIS AGREEMENT SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE
SUBSTANTIVE LAW OF THE STATE OF TEXAS, WITHOUT GIVING EFFECT TO THE PRINCIPLES
OF CONFLICTS OF LAW THEREOF.
<PAGE>   56
                                                                              51


         11.08   SEVERABILITY.  If any term, provision, covenant or restriction
of this Agreement is held by a court of competent jurisdiction to be invalid,
void or unenforceable, the remainder of the terms, provision, covenants and
restrictions of this Agreement shall continue in full force and effect and
shall in no way be affected, impaired or invalidated so long as the economic or
legal substance of the transactions contemplated hereby is not affected in any
manner materially adverse to any party.  Upon such determination that any term,
provision, covenant or restriction is invalid, void or unenforceable, the
parties hereto shall negotiate in good faith to modify this Agreement so as to
effect the original intent of the parties as closely as possible in an
acceptable manner to the end that the transactions contemplated hereby are
fulfilled to the extent possible.

         11.09   COUNTERPARTS.  This Agreement may be executed in two or more
counterparts, each of which shall be an original, but all of which together
shall constitute one and the same agreement.

         11.10   HEADINGS.  The Article and Section headings herein are for
convenience only and shall not affect the construction hereof.

         11.11   SPECIFIC PERFORMANCE.  The parties hereto agree that
irreparable damage would occur in the event any provision of this Agreement was
not performed in accordance with the terms hereof and that the parties shall be
entitled to specific performance of the terms hereof, in addition to any other
remedy available at law or in equity.  Notwithstanding anything contained
herein to the contrary, the parties hereto agree that no party shall have any
right to assert or collect from any other party to this Agreement any punitive
damages, consequential damages, or exemplary damages in any way arising in
connection with this Agreement or the transactions contemplated hereunder.

         11.12   FORUM.  EXCEPT IN EACH CASE FOR ALL MATTERS RELATING IN ANY
RESPECT TO THE ESCROW AGREEMENT OR THE FUNDS HELD PURSUANT THERETO, INCLUDING
THE DETERMINATION OF ANY AND ALL AMOUNTS TO BE DISTRIBUTED FROM THE FUNDS HELD
PURSUANT THERETO, (WHICH MATTERS SHALL BE GOVERNED BY THE TERMS (INCLUDING THE
ARBITRATION PROVISIONS) OF THE ESCROW AGREEMENT), ACQUIROR, THE DICKSON GROUP,
THE SHAREHOLDER REPRESENTATIVE AND THE SHAREHOLDERS FOR THEMSELVES, THEIR
SUCCESSORS AND ASSIGNS, HEREBY (A) IRREVOCABLY SUBMIT TO THE EXCLUSIVE
JURISDICTION OF THE COURTS LOCATED IN TEXAS AND AGREE AND CONSENT THAT SERVICE
OF PROCESS MAY BE MADE UPON ANY OF THEM IN ANY LEGAL PROCEEDING ARISING
EXCLUSIVELY OUT OF OR IN CONNECTION WITH THIS AGREEMENT BY SERVICE OF PROCESS
AS PROVIDED BY TEXAS LAW (B) IRREVOCABLY WAIVES, TO THE FULLEST EXTENT
PERMITTED BY LAW, ANY OBJECTION THAT THEY MAY NOW OR HEREAFTER HAVE TO THE
LAYING OF VENUE OF ANY LITIGATION ARISING EXCLUSIVELY OUT OF OR IN CONNECTION
WITH THIS AGREEMENT BROUGHT IN THE COURTS LOCATED IN
<PAGE>   57
                                                                              52

TEXAS, (C) FOR SUCH PURPOSES IRREVOCABLY WAIVES ANY CLAIMS THAT ANY LITIGATION
BROUGHT IN ANY SUCH COURT HAS BEEN BROUGHT IN AN INCONVENIENT FORUM, (D)
IRREVOCABLY CONSENTS TO THE SERVICE OF PROCESS WITH RESPECT TO ANY OF THE
AFOREMENTIONED COURTS IN ANY SUCH LITIGATION BY THE MAILING OF COPIES THEREOF
BY CERTIFIED MAIL, RETURN RECEIPT REQUESTED, POSTAGE PREPAID, TO SUCH PARTY AND
ITS COUNSEL AT THEIR ADDRESSES SET FORTH HEREIN, AND (E) IRREVOCABLY AGREES
THAT ANY LEGAL PROCEEDING AGAINST ACQUIROR, THE DICKSON GROUP, THE SHAREHOLDER
REPRESENTATIVE OR ANY OF THE SHAREHOLDERS ARISING OUT OF OR IN CONNECTION WITH
THIS AGREEMENT OR ITS OBLIGATIONS HEREUNDER SHALL, BE BROUGHT IN THE COURTS OF
TEXAS.

         11.13   FURTHER ASSURANCES.  The Acquiror, Acquisition Corp., the
Dickson Group and the Shareholder, each agree that it will, upon request of the
other at any time after the Closing Date and without further consideration,
execute and deliver such other documents and instruments and take such other
action as may reasonably be requested to carry out more effectively the purpose
and intent of this Agreement.

         11.14   TEXAS DECEPTIVE TRADE PRACTICES ACT.  Each party hereto
specifically does hereby waive any claim it or he has or may have had related
to this Agreement or the transactions contemplated hereby pursuant to the Texas
Deceptive Trade Practices Act, as amended from time to time.
<PAGE>   58
                                                                              53

         IN WITNESS WHEREOF, Acquiror, the Dickson Group, the Shareholder and
the Transferees have each executed or caused this Agreement to be executed on
its behalf by its officer thereunto duly authorized, as applicable, all as of
the date first above written.

                             ACQUIROR:
                             
                                     TRANSCOASTAL MARINE SERVICES, INC.
                             
                             
                                     By:
                                              Name:
                                              Title:
                             
                                     TRANSCOASTAL ACQUISITION, INC.
                             
                             
                                     By:
                                              BILL STALLWORTH
                                              President
                             
                             DICKSON GROUP:
                             
                                     DICKSON GMP INTERNATIONAL, INC.
                             
                             
                                     By:
                                              FRED E. GALLANDER, JR.
                                              President
                             
                                     DICKSON MARINE, INC.
                             
                             
                                     By:
                                              FRED E. GALLANDER, JR.
                                              President
                             
                                     DICKSON NIGERIA, LTD.
                             
                             
                                     By:
                                              FRED E. GALLANDER, JR.
                                              President
<PAGE>   59
                                                                              54

                                     SERVICIOS Y CONSTRUCCIONES PETROLERAS
                                                VENTURA, C.A.
                                     
                                     
                                     By:
                                              FRED E. GALLANDER, JR.
                                              President
                                     
                                     VENTURA RESOURCES, INC.
                                     
                                     
                                     By:
                                              FRED E. GALLANDER, JR.
                                              President

                                  SHAREHOLDER:


                                     Fred E. Gallander, Jr.



                                     Rebecca D. Gallander


                                  TRANSFEREE:


                                     Paul T. Gariepy, Jr.



                                     Beverly B. Gariepy



                                     Bobby J. Frantom



                                     Shawnee L. Frantom



                                     Thomas G. Wright
<PAGE>   60
                                                                              55

                                                                              
                                   EXHIBIT A

                                 DEFINED TERMS

         "Accounts Receivable" means all accounts and notes receivable from
account, note and other debtors of the Dickson Group or any of the Subsidiaries
outstanding as of the date hereof.

         "Accredited Investor" means the meaning as set forth in Rule 501 of
Regulation D adopted pursuant to the Securities Act of 1933, as amended.

         "Acquiror Common Stock" means common stock, par value $.001 per share,
of  TransCoastal Marine Services, Inc.

         "ADA" has the meaning set forth in Section 4.22.

         "Adjusted EBTDA" means earnings before taxes, depreciation, and
amortization (prepared on an accrual basis of accounting and in accordance with
GAAP, consistently applied), during the Earn-Out Period (as defined in Section
2.05), and as determined in accordance with Annex I attached hereto.

         "Affiliate" means with respect to any Person, any Person which,
directly or indirectly, controls, is controlled by, or is under a common
control with, such Person.  The term "control" (including the terms "controlled
by" and "under common control with") as used in this definition means the
possession, directly or indirectly, of the power to direct or cause the
direction of management and policies of a Person, whether through the ownership
of voting securities, by contract, or otherwise.  With respect to any natural
person, the term "Affiliate" shall also mean (1) the spouse and children
(including those by adoption) of such Person; and any trust whose primary
beneficiary is such Person, such Person's spouse and/or one or more members of
such Person's lineal descendants, (2) the legal representative or guardian of
such Person or of any such immediate family member in the event such Person or
any such immediate family member becomes mentally incompetent and (3) any
Person controlled by or under the common control with any one or more of such
Person and the Persons described in clauses (1) or (2) preceding.

         "beneficial owner" and words of similar import shall have the meaning
ascribed to such term in Rule 13d-3 under the Exchange Act.

         "Benefit Plan" or "Benefit Plans" shall mean each Plan and each
personnel policy, stock option plan, collective bargaining agreement, bonus
plan or arrangement, incentive award plan or arrangement, vacation policy,
severance pay plan, policy or agreement, deferred compensation agreement or
arrangement, executive compensation or supplemental income arrangement,
<PAGE>   61
                                                                               2

consulting agreement, employment agreement, and each other employee benefit
plan, agreement, arrangement, program, practice or understanding that is not a
Plan and that is sponsored, maintained or contributed to by the Dickson Group
or any of its subsidiaries for the benefit of the employees, former employees,
independent contractors, or has been so sponsored, maintained or contributed to
since 1974;

         "Business" means the business and operations as are currently being
performed by the Dickson Group.

         "Business Day" means any day other than a Saturday, Sunday or legal
holiday under the laws of the United States or the State of Texas.

         "Chevron Contracts" shall mean the two (2) Chevron Global Technology
Services Contracts (Construction Contract Nos. 6804-0007 and 6804-0010) for
work to be performed in New Orleans, Louisiana, and Venezuela and the Chevron,
USA Alliance contract for work to be performed in California..

         "Claim" means any and all claims, causes of action, demands, lawsuits,
suits, proceedings, governmental investigations or audits and administrative
orders.

         "Closing" shall mean a meeting, which shall be held in accordance with
Section 2.03 of this Agreement, of persons interested in the transactions
contemplated by this Agreement at which all documents deemed necessary by the
parties to this Agreement to evidence the fulfillment or waiver of all
conditions precedent to the consummation of the Acquisition are executed and
delivered;

         "Closing Date" shall mean the date of the Closing as determined
pursuant to Section 2.03 of this Agreement;

         "Code" means the Internal Revenue Code of 1986, as amended.

         "Contract" means any contract, agreement, option, right to acquire,
preferential purchase right, preemptive right, warrant, indenture, debenture,
note, bond, loan, loan agreement, collective bargaining agreement, lease,
mortgage, franchise, license, purchase order, bid, commitment, letter of
credit, guaranty, surety or any other legally binding arrangement, whether oral
or written.

         "control" (including the terms "controlled," "controlled by" and
"under common control with") shall mean the possession, directly or indirectly
or as trustee or executor, of the power to direct or cause the direction of the
management or policies of a person, whether through the ownership of stock or
as trustee or executor, by contract or credit arrangement or otherwise;
<PAGE>   62
                                                                               3

         "Damages" means all debts, liabilities, obligations, losses, including
diminution of value, damages, cost and expenses, whether actual, consequential
or punitive, interest (including, without limitation, prejudgment interest),
penalties, reasonable legal fees, disbursements and costs of investigations,
deficiencies, levies, duties and imposts.

         "Debt" means, without duplication, (i) all indebtedness of the Dickson
Group for borrowed money, (ii) all obligations of the Dickson Group evidenced
by bonds, notes, debentures or other similar instruments, (iii) all obligations
of the Dickson Group as lessee under leases that have been or should be, in
accordance with GAAP, recorded as capital leases, (iv) all Debt of the type
described in clauses (i) through (iii) above secured by any Lien on property of
the Dickson Group.

         "Dickson Assets" means all of the assets, whether real, personal
(tangible or intangible) or mixed, owned (in fee or any lesser interest
including leasehold interests) by the Dickson Group in connection with the
Business.

         "Environmental Laws" has the meaning set forth in Section 4.24.

         "Environment" shall have the meaning set forth in Section 4.24.

         "Environmental Condition" shall have the meaning set forth in Section
4.24.

         "Governmental Authority" means any governmental, quasi-governmental,
state, county, city or other political subdivision of the United States or any
other country, or any agency, court or instrumentality, foreign or domestic, or
statutory or regulatory body thereof.

         "Hazardous Material" has the meaning set forth in Section 4.24.

         "Intellectual Property Rights" means any trademark, service mark,
trade name, invention, patent, trade secret, know-how, copyright (including to
the extent applicable, any registrations thereof or applications for
registration of any of the foregoing), or any other similar type of proprietary
intellectual property right, exclusive of over-the-counter software.

         "Law" means any law, statute, code, ordinance, order, rule,
regulation, judgment, decree, injunction, franchise, permit, certificate,
license, authorization, or other directional requirement (including, without
limitation, any of the foregoing that relates to environmental standards or
controls, energy regulations and occupational, safety and health standards or
controls including those arising under Environmental Laws) of any Governmental
Authority.

         "Lien" means any lien, pledge, condemnation award, claim, restriction,
charge, preferential purchase right, security interest, mortgage or encumbrance
of any nature whatsoever including as a statutory landlord lien.
<PAGE>   63
                                                                               4

         "Material Adverse Effect" means, in relation to any Person, any
material and adverse effect on the assets, liabilities, financial condition,
business, operations, affairs or prospects, taken as a whole, of the Person
referred to.

         "Ordinary Course of Business" means, when used in reference to any
Person, the ordinary course of business consistent with past customs and
practices of such Person.

         "Permitted Liens" means:

                 (i)      Liens for taxes which are not yet due and payable;

                 (ii)     inchoate Liens arising by operation of law, including
         materialman's, mechanic's, repairman's, laborer's, warehousemen,
         carrier's, employee's, contractor's and operator's Liens arising in
         the Ordinary Course of Business but only to the extent such liens
         secure obligations that, as of the Closing, are not due and payable
         and are not being contested unless being contested in good faith and a
         reserve or other appropriate provision, if any, as required by GAAP is
         made therefor in the Closing Date Balance Sheet.

                 (iii)    minor defects, irregularities in title, easements,
         rights of way, servitudes and similar rights (whether affecting fee
         interests, a landlord's interest in leased properties or a tenant's
         interest in leased properties) that individually or in the aggregate
         (1) have not had, and are not reasonably likely to have a material
         adverse effect on the ability of the Dickson Group or its Affiliates
         to use such property in the manner previously owned or used by the
         Dickson Group or the Subsidiaries or (2) materially impair the value
         of such property;

                 (iv)     Liens on Belle Chasse Property to secure the Building
         Debt being assumed by Acquiror at Closing;

                 (v)      Liens affecting a landlord's interest in property
         leased to the Dickson Group or the Subsidiaries so long as such Lien
         does not breach and is not reasonably likely to breach a customary
         covenant of quiet enjoyment (due to the existence of a non-disturbance
         agreement or other arrangement in which the tenant's interest is
         recognized and protected);

                 (vi)     Liens on Belle Chasse Property and other Dickson
         Assets to secure Debt in favor of First National Bank of Commerce,
         which Debt is to be paid in full by Acquiror at Closing; and

                 (vii)    the capital lease transactions described on Schedule
         4.16 attached hereto.
<PAGE>   64
                                                                               5


         "Person" means any natural person, firm, partnership, association,
corporation, limited liability company, company, trust, entity, public body or
government.

         "Plan" or "Plans" shall mean each "employee benefit plan," as such
term is defined in Section 3(3) of ERISA, including, but not limited to, any
employee benefit plan that may be exempt from some or all of the provisions of
ERISA, that is sponsored, maintained or contributed to by the Dickson Group or
any of its subsidiaries for the benefit of the employees, former employees,
independent contractors, or agents of the Dickson Group or any of its
subsidiaries, or has been so sponsored, maintained or contributed to since
1974;

         "Release" has the meaning set forth in Section 4.24.

         "Rules" means the Commercial Arbitration Rules of the American
Arbitration Association.

         "subsidiary" or "subsidiaries" of the Dickson Group, Acquiror or any
other person, shall mean any corporation, partnership, joint venture or other
legal entity of which the Dickson Group, Acquiror or any such other person, as
the case may be (either alone or through or together with any other
subsidiary), owns, directly or indirectly, 50% or more of the stock or other
equity interests the holders of which are generally entitled to vote for the
election of the board of directors or other governing body of such corporation
or other legal entity;

         "Tax" or "Taxes" shall mean any and all taxes, charges, fees, levies,
assessments, duties or other amounts payable to any federal, state, local or
foreign taxing authority or agency, including, without limitation, (i) income,
franchise, profits, gross receipts, minimum, alternative minimum, estimated, ad
valorem, value added, sales, use, service, real or personal property, capital
stock, license, payroll, withholding, disability, employment, social security,
workers compensation, unemployment compensation, utility, severance, excise,
stamp, windfall profits, transfer and gains taxes, (ii) customs, duties,
imposts, charges, levies or other similar assessments of any kind, and (iii)
interest, penalties and additions to tax imposed with respect thereto; and

         "Tax Item" means all items of income, gain, loss, deduction and credit
and other tax items.

         "Third-Party Claim" means a third-party claim asserted against an
Indemnified Party by a Person other than (a) an Affiliate of such Indemnified
Party or (b) any director, stockholder, officer, member, partner or employee of
any such Indemnified Party or its Affiliates.

         "Total Consideration" means the Purchase Price set forth in Section
2.03, including all cash payable to the Shareholder at Closing (including the
Escrowed Amount) and the cash portion of the Contingent Consideration, and the
fair market value of 1,700,000 shares of Acquiror Common Stock determined in
accordance with the following principles:
<PAGE>   65
                                                                               6

                 (a)      All Acquiror Common Stock shall be valued as of the
                          close of the financial markets on the last Business
                          Day preceding the Closing Date; and

                 (b)      It shall be assumed that the entire Contingent
                          Consideration has been earned; and

                 (c)      It shall be assumed that Gallander has not elected to
                          accept any Acquiror Preferred Stock in lieu of cash
                          as provided for in Section 2.07(b).

         "Transaction Documents" means this Agreement and all agreements,
conveyances, documents, instruments and certificates delivered at the Closing
pursuant to this Agreement.
<PAGE>   66
                                                                               1

                                   EXHIBIT B

                                 [See Attached]

                                ESCROW AGREEMENT
<PAGE>   67
                                                                               2


                                   EXHIBIT C

                                 [See Attached]

                         GALLANDER EMPLOYMENT AGREEMENT
<PAGE>   68
                                                                               2


                                   EXHIBIT D

                                 [See Attached]

                          GARIEPY EMPLOYMENT AGREEMENT
<PAGE>   69
                                                                               2


                                   EXHIBIT E

                                 [See Attached]

                          WRIGHT EMPLOYMENT AGREEMENT
<PAGE>   70
                                                                               2


                                   EXHIBIT F

                                 [See Attached]

                          FRANTOM EMPLOYMENT AGREEMENT
<PAGE>   71
                                                                               2


                                   EXHIBIT G

                                 [See Attached]

                         REGISTRATION RIGHTS AGREEMENT
<PAGE>   72
                                                                               1


                                    ANNEX I
                        DETERMINATION OF ADJUSTED EBTDA

         For the purposes of the Agreement by and among Acquiror; Acquisition
Corp., Dickson GMP; Dickson Marine, Dickson Nigeria; Servicios y
Construcciones; Ventura Resources and Shareholder, adjusted earnings before
taxes, depreciation and amortization ("Adjusted EBTDA") of the Dickson Group
for the period indicated in Section 2.07 of the Agreement shall be determined
in the following manner.

         The term "Business" as used in this Annex I means the business and
assets of the Dickson Group and the Subsidiaries acquired by Acquiror and
Acquisition Corp. pursuant to the Agreement.  Except as specifically provided
in this Annex I, the Business shall not include any other business or assets of
any other business entity owned or acquired by the Dickson Group, the
Subsidiaries or the Acquisition Corp. during the term of the Earn-Out Period
other than assets acquired by the Dickson Group or the Subsidiaries in the
ordinary course of business, unless otherwise agreed to in writing by the
parties.  Any capitalized term not defined in this Annex I shall have the
meaning assigned to the term in the Agreement.

                 A.       There shall first be determined revenues of the
         Business for the Earn-Out Period, by application of the accrual method
         of accounting and generally accepted principles of accounting.
         Revenues shall not include any interest income, income tax refunds,
         non-recurring or extraordinary items as defined under generally
         accepted accounting principles.

                 B.       There shall then be determined the "expenses" of the
         Business for such period.  For this purpose, "expenses" shall consist
         of those expenses incurred by the Business which are allocable to the
         Earn-Out Period pursuant to the accrual method of accounting and
         pursuant to generally accepted principles of accounting employed by
         the Business consistently applied in arriving at net income for
         accounting purposes, subject to the following provisions and
         exceptions:

                 1.       Expenses shall include:

                                  (a)      the aggregate amount of all Taxes
                          (excluding all foreign, Federal, state and local
                          income taxes, VAT or any other governmental or
                          jurisdictional assessment of any kind computed using
                          revenue or income as a basis for such assessment)
                          imposed on the Business with respect to the
                          particular period.  Expenses shall not be reduced by
                          any income tax refunds.
<PAGE>   73
                                                                               2

                                  (b)      all direct operating expenses paid
                          to third parties on the Dickson Group's behalf by the
                          Acquiror, Acquisition Corp. or any of its Affiliates,
                          with no mark-up to Dickson Group.

                                  (c)      the Acquiror's general corporate
                          overhead and administrative expenses, but only to the
                          extent they reflect significant and extraordinary
                          time and expenses incurred working directly for the
                          benefit of the Dickson Group and an estimate of such
                          expenses has been approved by the Shareholder
                          Representative in advance.

                                  (d)      all negotiated cost transfers of
                          Acquiror including capital, labor, assets and
                          services will be charged as expenses of the Dickson
                          Group to the extent agreed to in writing by the
                          Acquiror and the Shareholder Representative, which
                          consent shall not be unreasonably withheld;

                                  (e)      All negotiated cost transfers from
                          the Dickson Group to Acquiror or any of its
                          subsidiaries, including capital, labor, assets and
                          services will be included as an expense reduction to
                          the extent agreed to in writing by the Shareholder
                          Representative and the Acquiror, which consent shall
                          not be unreasonably withheld;

                                  (f)      all salaries, bonuses and costs of
                          benefits for the Dickson Group employees, including
                          the Shareholders and any other Person in the Dickson
                          Group management team, will be charged as expenses of
                          the Dickson Group;

                                  (g)      The Acquiror will charge 8% APR
                          monthly to the Dickson Group on the daily balance of
                          net funds advanced to the Dickson Group during the
                          period.

                 2.       Expenses shall not include any expense related to (i)
         all depreciation and amortization, (ii) material expenses associated
         with any new ventures by the Dickson Group, which are proposed by the
         Acquiror, unless agreed to by the Shareholder Representative in
         writing, (iii) any other expenses recovered by Acquiror through escrow
         deductions; and (iv) any extraordinary expenses or increases in
         existing expenses related to the Dickson Group's Benefit Plans
         resulting from the consummation of the transactions contemplated under
         this Agreement.

                 3.       Expenses shall reflect such charges, recoveries,
         credits, adjustments and reallocations to reserve accounts with
         respect to all balance sheet and income statement   accounts as shall
         be necessary under GAAP.

                 4.       The Dickson Group shall not be required to expense
         any items that otherwise could be capitalized in accordance with GAAP.
<PAGE>   74
                                                                               1

                                    ANNEX II
                        CALCULATION OF EARN-OUT PAYMENT

I.       For the purposes of this Agreement by and among Acquiror; Acquisition
         Corp.; Dickson GMP; Dickson Marine, Dickson Nigeria; Servicios y
         Construcciones; Ventura Resources and Shareholder, the calculation of
         the Earn-Out Payment and the Net Earn-Out Payment for the period
         indicated in Section 2.07 of the Agreement shall be performed in the
         following manner:

         A.      The Gross Earn-Out Payment shall be determined by subtracting
                 $4,000,000 from the Dickson Group's EBTDA as determined in
                 accordance with Annex I (Earn-Out EBTDA), and dividing the
                 difference by 3,000,000 then multiplying the product times
                 $11,500,000.

         B.      Deductions from Gross Earn-Out Payment:

                 1.       Any short-fall in the amounts escrowed ($300,000) at
                          closing to cover unidentified liabilities or
                          reduction in assets to the balance sheet at closing
                          (the Balance Sheet Adjustments);

                  2.      Retainage for a portion of the estimated earned gross
                          profit recognized on  all contracts with work in
                          progress at the end of the Earn-Out Period.

                 The Acquiror and the Shareholder Representative shall estimate
                 the earned gross profit recognized during the Earn-Out Period
                 on all contracts  with work in progress at the end of the
                 Earn-Out Period in accordance with GAAP.

                 The estimated earned gross profit shall be computed during the
                 Earn-Out Period for each project in process  as of the end of
                 the Earn-Out Period on a job-by-job basis.  The result shall
                 then be multiplied by 3.833, then by 10%.  The end product
                 shall then be subtracted from the Earn-Out Payment and held as
                 "Retainage".

II.      Within 30 days of completion of each project identified as being in
         progress at the end of the Earn-Out Period, the Acquiror and the
         Shareholder Representative shall determine in good faith whether the
         estimated earned gross profit attributable to each project during the
         Earn-Out Period was fair and reasonable at the time such estimate was
         made, considering the facts and circumstances at the end of the
         Earn-Out Period.

         In the event such estimated earned gross profit at Earn-Out Period is
         deemed to be deficient due to some fact or circumstance occurring on
         or before the end of the Earn-Out Period but not included in such
         estimate, then a recalculation of the estimated earned gross profit
         shall be computed by the Acquiror and Shareholder Representative.  The






<PAGE>   75
                                                                               2

         deficit between the original estimated earned gross profit and the
         recalculated earned gross profit as of the end of the Earn-Out Period
         shall be multiplied by 3.833, then 10% and the resulting product shall
         be paid from the Retainage to the Acquiror and any remaining Retainage
         attributable to that particular project will be within five (5)
         Business Days released to the Shareholders.

         In no case is the Acquiror able to recover any amount in excess of the
         Retainage amount on a job-by-job basis.


                    EXAMPLE OF EARN-OUT PAYMENT CALCULATION

<TABLE>
       <S>         <C>     <C>                <C>                                                     
- ----------------------------------------------------------------------------------------------------  
       A           $          6,500,000         EBTDA From Annex I                                      
- ----------------------------------------------------------------------------------------------------  
       B                     (4,000,000)        Base EBTDA                                              
- ----------------------------------------------------------------------------------------------------  
       C           $          2,500,000         Net Earn-Out EBTDA                                      
- ----------------------------------------------------------------------------------------------------  
       D           $          3,000,000         Maximum Earn-Out EBTDA                                  
- ----------------------------------------------------------------------------------------------------  
       E                        .833333         Quotient (6 decimal points) ("C" divided by "D")                 
- ----------------------------------------------------------------------------------------------------  
       F           $         11,500,000         Maximum Earn-Out Payment                                
- ----------------------------------------------------------------------------------------------------  
       G           $          9,583,330         Gross Earn-Out Payment ("E" x "F")                      
- ----------------------------------------------------------------------------------------------------  
       H           $            (83,330)        Short Fall in $300,000 Escrow as Defined in Escrow 
                                                Agreement     
- ----------------------------------------------------------------------------------------------------  
       I           $           (500,000)        Retainage for Estimated Earned Gross Profit for 
                                                Work in Progress at End of Escrow Period        
- ----------------------------------------------------------------------------------------------------  
                   $          9,000,000         Net Earn-Out Payment Due before Release of              
                              =========         Retainage ("G" - "H" - "I")                                                        
- ----------------------------------------------------------------------------------------------------  
</TABLE>



<PAGE>   76
                                                                               1

                                   ANNEX III

                                    INDEX TO
                              DISCLOSURE SCHEDULES


Schedule 2.03(b)(i) - Purchase Price Allocation and Initial Shareholder's
Instructions

Schedule 2.07 - Shareholder's Sharing Ratio

Schedule 3.01 - Ownership of Dickson Group

Schedule 4.02 - Jurisdictions

Schedule 4.04 - Consents, Absence of Conflicts

Schedule 4.05 - Capital Stock of the Dickson Group

Schedule 4.05(b) - Contracts to Sell Securities

Schedule 4.05(c) - Rights Affecting Capital Stock

Schedule 4.06(i) - Subsidiaries

Schedule 4.06(ii) - Affiliates

Schedule 4.07 - Absence of Changes

Schedule 4.08 - Affiliate Transactions

Schedule 4.09(a) - Scheduled Fee Lands

Schedule 4.09(b) - Scheduled Leases

Schedule 4.09(c) - Facilities Condition

Schedule 4.10 - Scheduled Tangible Personal Property

Schedule 4.11 - Scheduled Permits

Schedule 4.12 - Material Contracts

Schedule 4.12(b) - Included on Schedule 4.12





<PAGE>   77
                                                                               2

Schedule 4.13 - Scheduled Intellectual Property

Schedule 4.14 - Accounts Receivable

Schedule 4.16 - Debt

Schedule 4.18(a) - Tax Returns

Schedule 4.18(c) - Adverse Tax Claims

Schedule 4.18(d)

Schedule 4.18(f) -

Schedule 4.18(g) -

Schedule 4.18(i) -

Schedule 4.18(l) -

Schedule 4.18(m) -

Schedule 4.19 - Inventory

Schedule 4.20 - Litigation

Schedule 4.21 - Standard Terms of Sale and Purchase

Schedule 4.22(a) - Employee Matters

Schedule 4.22(b) - Collective Bargaining

Schedule 4.22(c) - Employment Agreement

Schedule 4.23(a) - Benefit Plans

Schedule 4.23(c)

Schedule 4.23(d) - Exceptions to Benefit Plans

Schedule 4.23(g)

Schedule 4.23(i)

Schedule 4.24 - Environmental Matters

Schedule 4.26 - Accounts

Schedule 4.27 - Insurance

Schedule 6.02





<PAGE>   78
                                                                               1

                                    ANNEX IV

                       TRANSCOASTAL MARINE SERVICES, INC.
                       PRINCIPAL TERMS OF PREFERRED STOCK


Dividends . . . . . . . . . . . . . . .    Dividends on the Preferred Stock are
                                           cumulative from the date of original
                                           issue and are payable quarterly,
                                           when and as declared, at the rate of
                                           _____% per annum of the $100
                                           liquidation preference (equivalent
                                           to an annual dividend rate of
                                           $_______ per share).  The Dividend
                                           rate will be established at the date
                                           of issuance and will be in the
                                           amount necessary to generate a
                                           market value equal to the
                                           Liquidation Preference.

Liquidation Preference  . . . . . . . .    $100 per share of Preferred Stock,
                                           plus an amount equal to accumulated,
                                           accrued and unpaid dividends
                                           (whether or not earned or declared).

Redemption  . . . . . . . . . . . . . .    The Preferred Stock is not
                                           redeemable prior to five years after
                                           issuance.  The Preferred Stock will
                                           be redeemed upon notice from the
                                           holder at any time after five years
                                           from the date of issuance.

Ranking . . . . . . . . . . . . . . . .    The Preferred Stock will rank on a
                                           parity with any authorized shares of
                                           preferred stock on the date of
                                           issuance and senior to Acquiror's
                                           Common Stock, including restricted
                                           Common Stock, with respect to the
                                           payment of dividends and the
                                           distribution of amounts upon
                                           liquidation, dissolution or winding
                                           up.

Voting Rights . . . . . . . . . . . . .    Holders of Preferred Stock will
                                           generally have no voting rights.
                                           However, whenever dividends on the
                                           shares of Preferred Stock are in
                                           arrears for six or more quarterly
                                           periods (whether or not
                                           consecutive), the holders of such
                                           shares (voting together as a single
                                           class with all other shares of any
                                           class or series of stock ranking on
                                           a parity with the Preferred Stock
                                           which are entitled to similar voting
                                           rights) will be entitled to vote for
                                           the election of two additional
                                           directors of the Acquiror until all
                                           dividends in arrears on outstanding
                                           shares of Preferred Stock have been
                                           paid or declared and set apart for
                                           payment.  In addition, certain
                                           changes to the terms of the
                                           Preferred Stock that





<PAGE>   79
                                                                               2

                                           would be materially adverse to the
                                           rights of holders of Preferred Stock
                                           cannot be made without the
                                           affirmative vote of holders of at
                                           least 6 2/3% of the outstanding
                                           shares of Preferred Stock and shares
                                           of any class or series of stock
                                           ranking on a parity with the
                                           Preferred Stock which are entitled
                                           to similar voting rights, voting as
                                           a single class.

Participation . . . . . . . . . . . . .    Dividends on the Preferred Stock
                                           will increase in accordance with an
                                           increase in the EBITDA of the
                                           Acquiror from and after the date of
                                           issuance until redeemed, as follows.
                                           Beginning in the first year after
                                           issuance, if EBITDA increases by 20%
                                           over the EBITDA for the year prior
                                           to the issuance, the Dividend rate
                                           will be increased by $0.25 per
                                           preferred share.  Similarly an
                                           increase in EBITDA by 40% will
                                           increase the dividend rate by $0.50
                                           per share and 60% or more by $0.75
                                           per share.  Distributions on the
                                           Common Stock including dividends,
                                           will entitle holders of the
                                           Preferred Stock to distributions on
                                           a pro rata basis.






<PAGE>   1
                                                                    EXHIBIT 10.4



                               FIRST AMENDMENT TO
                       STOCK PURCHASE AND MERGER AGREEMENT


         THIS FIRST AMENDMENT TO STOCK PURCHASE AND MERGER AGREEMENT, (this
"Amendment") is made and entered into as of the 31st day of August, 1998 by and
among TransCoastal Marine Services, Inc., a Delaware corporation ("Acquiror"),
and TransCoastal Acquisition, Inc., a Louisiana corporation, ("Acquisition
Corp."); Dickson GMP International, Inc., a Louisiana corporation ("Dickson
GMP"); Dickson Marine, Inc., a Louisiana corporation ("Dickson Marine"); Dickson
Nigeria, Ltd., a Nigerian corporation ("Dickson Nigeria"); Servicios y
Construcciones Petroleras Ventura, C.A., a Venezuelan corporation ("Servicios y
Construcciones"); Ventura Resources, Inc., a Louisiana corporation ("Ventura"),
(Dickson GMP, Dickson Marine, Dickson Nigeria, Servicios y Construcciones and
Ventura being referred to individually or collectively as the "Dickson Group");
and Fred E. Gallander, Jr. ("Gallander" or "Shareholder"); The spouse of the
Shareholder is joining in and consenting to the execution of this Amendment.
Paul T. Gariepy, Jr. ("Gariepy"), Bobby J. Frantom ("Frantom") and Thomas G.
Wright ("Wright"), each a potential Transferee, if assigned stock in the Dickson
Group pursuant to Section 11.05 of the Stock Purchase and Merger Agreement, also
join in this Amendment and, together with Gallander are referred to collectively
as "Shareholder."

         WHEREAS, the parties hereto have entered into that certain Stock
Purchase and Merger Agreement, dated as of August 1, 1998 (as amended hereby,
the "Agreement") (capitalized terms used but not defined herein shall have the
respective meanings ascribed to such terms in the Agreement);

         WHEREAS, the parties desire to amend certain provisions of the
Agreement;

         NOW THEREFORE, in consideration of the foregoing and the respective
representations, warranties, covenants and agreements contained herein, the
parties hereto agree as follows:

         1. Section 2.03(b) of the Agreement is amended to read as follows:

            "(b) (i) Delivery by the Acquiror of $8,800,000, less Long-Term Debt
         plus accrued interest as of the Closing Date (as hereinafter defined)
         of the Dickson Group as set forth on Annex III-Disclosure Schedule
         ("Schedule") 2.03(b)(i) as adjusted to the Closing Date, such remaining
         funds to be paid by wire transfer or other immediately available funds
         approved by Shareholder in accordance with the instructions set forth
         in Schedule 2.03(b)(i) and (ii) issuance by the Acquiror of 1,300,000
         shares of Acquiror Common Stock to Shareholder in accordance with the
         sharing ratio set forth in Schedule 2.07, as updated to the date of
         Closing (collectively, the "Initial Consideration"). The number of
         Acquiror Common Stock issued as part of the Initial Consideration
         pursuant to
<PAGE>   2
         this Section 2.03(b) hereof shall be adjusted to account for any
         changes in the outstanding Acquiror Common Stock resulting from a
         subdivision or consolidation of shares, share split, reverse share
         split, share distribution or combination of shares or the payment of a
         share dividend; and"

         2. The first paragraph of Section 2.07(a) of the Agreement is amended
to read as follows:

            "(a) an earned payout amount (the "Earn-Out Payment") based upon the
         Adjusted EBTDA of the Dickson Group for the twelve month period
         commencing on the first day of September, 1998 (the "Earn-Out Period"),
         to be calculated as follows:"


         3. Section 2.07(a)(iii) of the Agreement is amended to read as follows:

                "(iii) if the Dickson Group's Adjusted EBTDA for the Earn-Out
            Period is gr eater than $7,000,000, the Gross Earn-Out Payment shall
            equal 400,000 shares of Acquiror's Common Stock and $7,268,750 in
            cash. The number of shares of Acquiror Common Stock issued as part
            of the Contingent Consideration pursuant to this Section 2.07 hereof
            shall be adjusted to account for any change in the outstanding
            Acquiror Common Stock resulting from a subdivision or consolidation
            of shares, share split, reverse share split, share distribution or
            combination of shares or the payment of a share dividend."

         4. Section 2.07(b) of the Agreement is amended to read as follows:

            "(b) In the event Gallander directs Acquiror to issue Preferred
         Stock of Acquiror in lieu of cash to be paid pursuant to (a), Gallander
         shall notify Acquiror one (1) Business Day preceding the Earn-Out
         Payment and Acquiror shall issue to Gallander Preferred Stock of the
         Acquiror with substantially the same terms as set forth in Annex IV. It
         is understood and agreed that Gallander may specify the amounts of the
         cash portion of the Contingent Consideration to be paid in cash or in
         Preferred Stock or a combination of cash and Preferred Stock, in any
         portions as Shareholder in his sole and absolute discretion may
         determine."

         5. Section 2.08(b) of the Agreement is amended to read as follows:

            "(b) If the Shareholder or Shareholder Representative fail to object
         to the Acquiror's calculation of Adjusted EBTDA and/or the Net Earn-Out
         Payment in the manner set forth in Section 2.08(a), Acquiror shall make
         a payment to the Shareholder or Shareholder Representative in cash and
         shares pro rata in accordance with Schedule 2.07, as updated to the
         date of Closing, of an amount equal to the Net Earn-Out


                                       2
<PAGE>   3
         Payment (as set forth in Annex II hereto) as calculated in accordance
         with the Earn-Out Report (unless Adjusted EBTDA is not greater than
         $4,000,000 in which case no payment shall be made). If the Acquiror and
         the Shareholder or Shareholder Representative agree upon a different
         amount of Adjusted EBTDA or Net Earn-Out Payment or if, absent such
         agreement, the matter is submitted to arbitration and decided thereby,
         then, the Acquiror shall make the Net Earn-Out Payment, if any,
         determined in accordance with Schedule 2.07, as updated to the date of
         Closing, based on such agreed or arbitration determined amount of
         Adjusted EBTDA or Net Earn-Out Payment. All payments and issuances of
         stock under this Section 2.08(b) shall be payable and made on and as of
         the fifth Business Day following the 30-day period in which the
         Shareholder or Shareholder Representative had the opportunity but
         failed to make any objection, after agreement by the parties or upon a
         final determination by the arbitrators, as applicable; provided,
         however, that it is understood that it may not be practicable to
         physically deliver the Stock Certificate on such date, but Acquiror
         will deliver satisfactory Letters of Authorization to its Transfer
         Agent so directing the issuance of such stock as of such date."

         6. Section 4.11 of the Agreement is amended to read as follows:

            "4.11 PERMITS. Schedule 4.11 lists for the Dickson Group all
         permits, licenses, certificates, authorizations and approvals granted
         by any Governmental Authority (each, a "Permit") and used or held by
         one or more of the Dickson Group, or any of their Affiliates in
         connection with the ownership and operation of the Business (the
         "Scheduled Permits"). The Scheduled Permits constitute all Permits
         necessary for the continued ownership, use and operation of the
         Business consistent in all material respects with the past practices of
         the Dickson Group, except the Air Quality Permit and a Storm Water
         Discharge Permit for the Dickson Group operations at Belle Chasse as
         set forth on Schedule 4.24. Except as set forth in Schedule 4.11, the
         Scheduled Permits are valid and in full force and effect and no
         Scheduled Permit is in default, and no condition exists that with
         notice or lapse of time or both would constitute a default, under the
         Scheduled Permits. All fees and other payments due and owing in
         connection with the Scheduled Permits have been paid in full and in a
         timely manner so as to prevent any lapse or revocation thereof."

         7. Section 9.01 of the Agreement is amended to read as follows:

            "9.01 BY SHAREHOLDER. Subject to the terms and conditions of this
         Article IX, the Shareholder hereby agrees to indemnify, defend and hold
         harmless Acquiror and its directors, officers, employees, consultants,
         Affiliates and controlling persons (hereinafter, including the Dickson
         Group and its Subsidiaries after the Closing, collectively, the
         "Acquiror Indemnified Parties") from and against all Claims (as defined
         below) asserted against, imposed upon or incurred by Acquiror or any
         Acquiror


                                       3
<PAGE>   4
         Indemnified Party, directly or indirectly, by reason of, arising out
         of, or resulting from (a) the inaccuracy or breach of any
         representation or warranty of the Dickson Group or such Shareholder
         contained in or made pursuant to this Agreement, including, but not
         limited to, any environmental matter in Section 4.24 and any Claims
         associated with the Air Quality Permit or the Storm Water Discharge
         Permit; and (b) the breach of any covenant or agreement of the Dickson
         Group or such Shareholder contained in or made pursuant to this
         Agreement; provided, however, Acquiror and Acquiror Indemnified Parties
         covenant and agree that in no event shall the liability, in the
         aggregate, of the Shareholder, in his capacity as indemnifying party,
         for any and all indemnified Claims under this Article IX exceed the
         Purchase Price, subject, however, to the provisions of Section 9.07(b).
         As used in this Section 9.01, the term "Claim" shall include (i) all
         debts, liabilities and obligations; (ii) all losses, damages,
         reasonable costs and expenses (including, without limitation, interest
         (including prejudgment interest in any litigated matter), but excluding
         any allocation of overhead costs and expenses of Acquiror or any of its
         Subsidiaries), penalties, court costs and reasonable legal, accounting,
         consulting and engineering fees and expenses; (iii) all reasonable and
         necessary costs that may be attributable to an Environmental Condition
         or that may be necessary to comply with Environmental Laws, including,
         but not limited to, the removal of Hazardous Materials and the
         remediation of any property according to standards established by
         Environmental Law or standards established on a case-by-case basis by
         any Governmental Authority according to Environmental Law; and (iv) all
         demands, Claims, actions, costs of investigation, causes of action,
         proceedings, arbitrations, judgments, settlements and assessments,
         whether or not ultimately determined to be valid. Acquiror has no
         obligation to seek recovery of any Claim, or any portion thereof, from
         any insurance policies covering the Dickson Group and/or Shareholder in
         effect prior to the Closing, but will reasonably cooperate with
         Shareholder in Shareholder's seeking such recovery. In the event that
         the Dickson Group and/or the Shareholder recover from such an insurance
         policy for a Claim, or a portion thereof made by Acquiror, and such
         insurance recovery was paid to Acquiror by the insurance company, then
         Acquiror shall reimburse the Dickson Group and/or the Shareholder for
         that portion of the Claim that was paid by both the Dickson Group
         and/or the Shareholder to Acquiror on the one hand and the insurance
         company on the other."

         8. Section 10.03(a) of the Agreement is deleted and amended to read
"Intentionally Blank".

         9. Except as expressly set forth herein, the terms and provisions of
the Agreement are hereby ratified and confirmed.

         10. This Amendment may be executed in one or more counterparts, each of
which shall be deemed to be an original, but all of which shall constitute one
and the same Agreement.


                                       4
<PAGE>   5



         IN WITNESS WHEREOF, Acquiror, Acquisition Corp., the Dickson Group, the
Shareholder and the Transferees have each executed or caused this Agreement to
be executed on its behalf by its officer thereunto duly authorized, as
applicable, all as of the date first above written.

                                 ACQUIROR:

                                       TRANSCOASTAL MARINE SERVICES, INC.


                                       By:
                                                THAD SMITH III
                                                President

                                       TRANSCOASTAL ACQUISITION, INC.


                                       By:
                                                BILL STALLWORTH
                                                President

                                 DICKSON GROUP:

                                       DICKSON GMP INTERNATIONAL, INC.


                                       By:
                                                FRED E. GALLANDER, JR.
                                                President

                                       DICKSON MARINE, INC.


                                       By:
                                                FRED E. GALLANDER, JR.
                                                President

                                       DICKSON NIGERIA, LTD.


                                       By:
                                                FRED E. GALLANDER, JR.
                                                President


                                       5
<PAGE>   6



                                       SERVICIOS Y CONSTRUCCIONES PETROLERAS
                                       VENTURA, C.A.


                                       By:
                                                FRED E. GALLANDER, JR.
                                                President

                                       VENTURA RESOURCES, INC.


                                       By:
                                                FRED E. GALLANDER, JR.
                                                President

                                 SHAREHOLDER:


                                       Fred E. Gallander, Jr.



                                       Rebecca D. Gallander


                                 TRANSFEREE:


                                       Paul T. Gariepy, Jr.



                                       Beverly B. Gariepy



                                       Bobby J. Frantom



                                       Shawnee L. Frantom



                                       Thomas G. Wright


                                       6

<PAGE>   1

                                                                 EXHIBIT 10.5

                              EMPLOYMENT AGREEMENT

         THIS EMPLOYMENT AGREEMENT is made as of the 1st day of September, 1998
(the "Effective Date"), by and among TransCoastal Acquisition, Inc. (to be
renamed Dickson GMP International, Inc.), a Louisiana corporation (the
"Company"); and Fred E. Gallander, Jr., an individual residing in Louisiana
("Employee").

                              W I T N E S S E T H :

         WHEREAS, the Company and TransCoastal Marine Services, Inc.
("TransCoastal" or "Parent" or "Parent Company") have entered into a Stock
Purchase and Merger Agreement with Dickson GMP International, Inc. ("Dickson
GMP"), Dickson Marine, Inc., Dickson Nigeria, Ltd, Servicios y Construcciones
Petroleas Venturo, C.A., Ventura Resources, Inc. (collectively, the "Dickson
Group") and the Shareholders (the "Purchase/Merger Agreement") to acquire all of
the outstanding shares of common stock of the Dickson Group (the "Transaction").
Words used herein that are capitalized but not defined shall have the meaning
set forth in the Purchase/Merger Agreement;

         WHEREAS, Employee is presently employed by Dickson GMP;

         WHEREAS, the Company desires to retain Employee as an employee of the
Company after the Effective Date;

         WHEREAS, Employee desires to be employed by the Company in the position
and on the further terms and conditions provided herein;

         WHEREAS, TransCoastal's and the Company's business includes (i)
pipeline construction, repair, maintenance, trenching, testing, commissioning
and other related pipeline services, (ii) fabrication of offshore platforms and
other related oil and gas facilities and (iii) refurbishment and fabrication of
offshore drilling rigs and barge drilling rigs (the "Company Business"); and

         WHEREAS, the parties hereto desire to enter into an employment
agreement effective as of the Effective Date;

         NOW, THEREFORE, in consideration of the premises and the mutual
agreements contained herein, and intending to be legally bound thereby, the
parties agree as follows:

         1.       EMPLOYMENT, DUTIES AND ACCEPTANCE.

                  1.1 On and as of the Effective Date, the Company hereby agrees
to employ Employee for the Term (as defined in Section 2 hereof) to render
services to the Company or its affiliates within Orleans Parish, Louisiana, as
Chief Executive Officer, and, in connection therewith, to perform such duties on
a temporary and limited basis in such other locations as the Company and its
affiliates are conducting business, commensurate with such office under the
general supervision of the Board of Directors, the Chief Executive Officer or
the President of the Parent Company. The general scope of responsibilities,
authority, reporting relationship and management authority is outlined on
Exhibit 1 annexed hereto and made a part hereof.
<PAGE>   2

                  1.2 (a) On and as of the Effective Date, Employee hereby
agrees to accept such employment and to perform his duties in a diligent manner
and to use his best efforts to advance the business and goodwill of the Company,
its Parent and affiliates.

                      (b) Employee further agrees to devote such of his time,
skill, energy and attention to the Company as shall be reasonably necessary to
carry out his duties as Chief Executive Officer. During the Term, Employee will
not engage in any other business for Employee's own account or accept any
employment from any other entity, or render any services, give any advice or
serve in an advisory or consulting capacity, whether gratuitously or otherwise,
to or for any person, firm, corporation or entity other than the Company, its
Parent or affiliates without the prior written approval of the President or the
Chief Operating Officer and/or the Board of Directors of the Parent Company,
except as provided in Section 1.2(d) hereof.

                      (c) In addition to the restrictions set forth in Section
1.2(b) hereof, Employee shall not pursue for his own account (or for any other
person or entity) any business, ownership or investment opportunity that in any
way relates to the Company Business, except as provided in Section 1.2(d)
hereof.

                      (d) Notwithstanding any provision hereof to the contrary,
Employee shall be entitled to serve on corporate, educational, civic, religious
or charitable boards or committees; to deliver lectures, fulfil speaking
engagements or teach at educational institutions and to otherwise manage passive
personal investments, so long as such activities do not interfere with the
performance of Employee's responsibilities as an Employee of the Company in
accordance with this Agreement. Further, Employee shall not be prohibited from
(i) having passive investments of up to 5% in any publicly held business
enterprise or (ii) having passive investments in any privately held business so
long as such business does not compete with Company Business and does not
materially interfere with the performance of his duties under this Agreement.
Additionally, Employee may continue to engage in the activities set forth on the
attached Exhibit 1.2(d) as long as such activities do not interfere with or
detract from Employee performing his duties for the Company, its Parent or
affiliates.

         2.        TERMS OF EMPLOYMENT.

                   The term of this Agreement (the "Term") shall commence as of
the Effective Date and shall continue until (i) three (3) years from the
Effective Date of this Agreement or (ii) the date of termination of Employee's
employment where such termination is pursuant to Section 4.1, 4.2, 4.3 or 4.5
hereof. This Agreement shall automatically be renewed for successive one-year
periods annually thereafter, unless terminated as of the end of the Term or any
one (1) year extended term by written notice by either the Company to the
Employee or the Employee to the Company 120 days in advance of the expiration of
the initial term or any extension thereof, as the case may be. For all purposes
of this Agreement, the "Term" shall be deemed to include any such extended
period.
<PAGE>   3

         3.       COMPENSATION.

                  3.1 During the Term, as base compensation, exclusive of
bonuses and benefits set forth below, for his services to be rendered to or at
the request of the Company or its Parent in accordance with this Agreement, the
Company agrees to pay Employee an initial annual salary of $175,000, payable in
semi-monthly, equal installments in accordance with the Company's regular
payroll practices in effect from time to time. The Board of Directors of the
Parent Company may provide such increases in salary as it may from time to time
deem appropriate; provided, however, any Company-wide or Parent-wide cost of
living or similar increase shall be applicable to Employee. Such salary for each
succeeding year shall not be less than that for the immediately preceding year.

                  3.2 During the Earn-Out Period, Employee shall be entitled to
a cash incentive bonus up to a maximum of 50% of Employee's annual salary in
accordance with a plan to be determined by the Board of Directors of the Parent
Company. The Employee shall not be entitled to participate in any of the
Company's and TransCoastal's other cash bonus or incentive plans (as may be
amended from time to time) during the Earn-Out Period. After the Earn-Out Period
expires, Employee shall participate in the Company's and TransCoastal's various
bonus or incentive plans and stock option plans commensurate with Employee's
position; provided, however, that for the period from the expiration of the
Earn-Out Period to December 31, 1999, the bonus and other incentive plans will
be limited to the Employee's pro rata participation for the remainder of 1999 of
the bonus program in place for other Company and TransCoastal employees.

                  3.3 The Company shall promptly pay or reimburse Employee for
all ordinary and necessary business expenses, including reasonable business
entertainment, actually incurred or paid by him during the Term in connection
with the performance of his duties under this Agreement upon presentation of
reasonable and practical expense statements or vouchers or such other supporting
information as the Company may reasonably require, provided such expenses are
consistent with the Company's and TransCoastal's normal practice.

                  3.4 Employee shall be entitled to all rights and benefits for
which he shall be eligible under any pension, group health, life, and disability
insurance plans or other benefits which the Company and TransCoastal may provide
for its employees commensurate with Employee's position. Employee shall also be
entitled to five (5) weeks vacation per year commencing on the Effective Date of
this Agreement. However, if Employee resigns or voluntarily terminates
Employee's employment within six months from the Effective Date of this
Agreement, Employee shall not be entitled to any unused and/or accrued vacation
pay upon termination or resignation of Employee's employment. The Company or
TransCoastal may amend from time to time and/or terminate any benefits
contemplated by this Section 3, provided that such amendments will be of general
application. Other provisions of this Agreement may be amended or modified only
pursuant to a written agreement between the Company and Employee and
TransCoastal as guarantor.
<PAGE>   4

         4.       TERMINATION.

                  4.1 Subject to the further provisions hereof, the Company
shall have the right to terminate Employee's employment for any reason with 14
days notice to Employee. If Employee's employment is terminated by the Company
for any reason other than those described in Section 4.2, 4.3 or 4.4 below,
Employee shall be entitled to continue to receive his base salary for the lesser
of (i) two years or (ii) the remaining Term, in periodic payments in accordance
with the Company's established payroll practice in effect from time to time and
Employee shall be entitled to the benefits provided for herein for such period
and any other vested or earned benefits pursuant to Employee benefit plans to
the extent permitted by applicable Law and the provisions of the applicable
benefit plan; provided, however, that if Employee shall die during this payment
period, any unpaid compensation shall terminate upon death. In the event that
the Company shall exercise the rights provided in this Section 4.1, the Employee
shall continue to be subject to the Obligations set forth in Sections 5 and 6 of
this Agreement so long as Employee continues to receive the salary and benefits
from the Company as set forth in this Section 4.1. Further, except for Cause,
the Company shall not have the right to terminate Employee's employment pursuant
to this Section 4.1 during the Earn-Out Period. The Company, at its sole option,
may require Employee to execute a release by Employee to the Company
simultaneously with the payment of any monies due Employee which release shall
not cover a breach of the obligations of this Agreement. In the event that the
Employee's continued participation in the Company's Group Life and/or medical
insurance is prohibited by law or the applicable plan, the Company shall
reimburse Employee for the equivalent premium for such benefit, but only to the
extent the Company would have paid the premium for the Employee under the
applicable plan if the Employee had continued to be employed by the Company.

                  4.2 In the event of Employee's death during the Term, this
Agreement shall terminate and Employee's estate shall be entitled to receive a
lump sum payment equal to the aggregate of: (i) the salary to the end of the
month in which the employee dies; (ii) any unpaid business expenses described in
Section 3.3 above incurred prior to Employee's death and (iii) any other vested
or earned benefits pursuant to employee benefit plans. The Company shall have no
further obligations or liabilities hereunder after the date of death, whether to
Employee's estate, legal representatives or otherwise, except with respect to
amounts which may have been due and owing to Employee with respect to periods
prior to the date of death.
<PAGE>   5

                  4.3 If, during the Term, Employee shall become physically or
mentally disabled, whether totally or partially, so that he is unable to perform
his usual duties for a period of six (6) consecutive months, or for shorter
periods aggregating six (6) months during any twenty-four (24) month period, the
Company may, upon sixty (60) days' written notice to Employee and upon the
expiration of such notice (but before Employee has recovered from such
disability), terminate Employee's employment. Unless and until the Company
terminates Employee's employment, the Company shall continue to pay to Employee
his full salary less any benefits paid to Employee under the terms of any
disability insurance plan of the Company which includes the Employee. Upon
termination pursuant to this Section 4.3, Employee shall have no right to
compensation or other benefits for any period after such date of termination,
except for any benefit which may be payable to Employee under the terms of any
disability insurance plan of the Company, if any, and any other vested or earned
benefits pursuant to employee benefit plans.

                  4.4 The Company may terminate Employee's employment for Cause
(as hereinafter defined), at any time by written notice to Employee. Such notice
shall set forth, in appropriate detail, the Cause for such termination. For
purposes of this Agreement, termination for "Cause" shall mean termination in
connection with any act or omission by Employee which constitutes (i) willful
neglect by Employee to perform his duties hereunder; (ii) any intentional act or
omission by Employee outside the good faith performance of his duties hereunder
which has subjected or is likely to subject the Company or TransCoastal or
affiliates to material loss; (iii) breach by Employee of the terms of this
Agreement; (iv) willful misconduct or willful violation of any material law,
governmental rule or regulation applicable to the operation of the business of
the Company unless such misconduct or violation results from a directive by the
Board of Directors of the Company or its Parent; (v) breach of fiduciary duty
involving personal profit or usurpation of an opportunity available to the
Company, its Parent or affiliates by Employee (other than in compliance with
Section 1.2(b) hereof) to the material detriment of the Company, its Parent or
affiliates; or (vi) the conviction of Employee for a felony. "Cause" shall not
include failure of Employee to relocate in the event of a move of the location
of the performance of Employee's services. Following receipt of such
notification by Employee, the Employee shall have the opportunity for a period
of thirty (30) days to remedy any such violation, unless such violation is of a
nature and type that cannot be remedied or the Company has given the Employee
prior notice of repeat violations. Following such notice, if applicable, the
Cause for termination shall be deemed "remedied" if, in the reasonable judgment
of the Board of Directors of the Parent Company, Employee's actions in remedying
such Cause have resulted in no material adverse effect being incurred by the
Company, its Parent or affiliates in connection with such Cause for termination.
Upon termination for Cause, Employee shall be entitled to a lump sum payment,
payable immediately upon such termination equal to the sum of the following: (i)
any salary accrued prior to the termination date; (ii) accrued vacation pay;
(iii) reimbursement of Employee expenses incurred or accrued prior to
termination, and (iv) any other vested or earned benefits pursuant to employee
benefits plans. The Company at the direction of the Parent may, at its option,
elect to continue such salary and other benefits for a maximum additional period
of two (2) years from the date of termination, which election shall be made by
the Company and notice thereof delivered to Employee at the time of termination.
If the Company elects to continue such payments, Employee shall continue to be
subject to the provisions of Sections 5 and 6 hereof for such period; otherwise
Employee shall be released therefrom, except for the provisions of Section 5.
<PAGE>   6

                  4.5 Notwithstanding any provision of this Section 4 or other
provision of this Agreement to the contrary, Employee may resign at any time
upon 14 days written notice to Employer. In the event of such resignation,
Employee shall be entitled to a lump sum payment payable immediately upon such
termination equal to the sum of the following: (i) salary accrued prior to
termination date, (ii) accrued vacation pay, (iii) reimbursement of reasonable
business expenses incurred or accrued prior to the date of termination, and (iv)
any other vested or earned benefits pursuant to employee benefits plans.

         5.       PROTECTION OF CONFIDENTIAL INFORMATION.

                  In view of the fact that Employee's work as an Employee of the
Company will bring him into close contact with many confidential affairs of the
Company, TransCoastal and its affiliates, including information about costs,
profits, markets, sales, technical information and data, and plans for future
developments:

                  (a) Employee acknowledges that the Company has invested and
         will continue to invest considerable resources in the development of
         its business and agrees (i) that all trade secrets and proprietary
         information of the Company, TransCoastal and its affiliates (including,
         without limitation, lists of customers and terms of agreements or
         contracts are and shall continue to be the sole and exclusive property
         of the Company, TransCoastal and its affiliates, and that Employee
         neither has nor shall have the right, title or interest therein; (ii)
         that such trade secrets and proprietary information are not readily
         accessible to competitors of the Company, TransCoastal or its
         affiliates; (iii) that such trade secrets and proprietary information
         must continue to be confidential; and (iv) to not disclose any trade
         secrets and proprietary information of the Company, TransCoastal or its
         affiliates to anyone outside of management of the Company, at any time
         during or after his employment with the Company, except with the prior
         written consent of the Parent Company.

                  (b) Employee further agrees to deliver promptly to the Company
         on termination of his employment with the Company, or at any time the
         Company or TransCoastal may so reasonably request, all memoranda,
         notes, records, reports and other documents (and all copies thereof)
         relating to the business of the Company, TransCoastal and its
         affiliates which he may then possess or have under his control.

                  (c) The obligations of Employee under this Section 5 shall
         survive the termination of this Agreement and Employee's employment
         hereunder for three years.

                  (d) Notwithstanding any provision of this Section 5 to the
         contrary, confidential information, however, shall not include
         information (a) which is, at the time in question in the public domain
         through no wrongful act of Employee, (b) which is disclosed to Employee
         by a third party not under any obligations of confidentiality to the
         Company, TransCoastal or its affiliates, (c) which is required by
         appropriate court or governmental order, law, or regulation to be
         disclosed or (d) which the Company or TransCoastal has expressly given
         Employee the right to disclose pursuant to his employment.
<PAGE>   7

         6.       NONCOMPETITION.

                  6.1 The parties hereto agree that the Company, TransCoastal
and its affiliates are and will be engaging in the Company Business in, and in
the waters offshore, of the following parishes of Louisiana attached as Exhibit
6.1 and in the counties of the State of Texas along the Gulf of Mexico and in
Harris County and the counties contiguous thereto as well as other locations
throughout the world, such other locations being determined immediately prior to
termination (the "Subject Areas").

                  6.2 Employee agrees that, except as otherwise provided herein,
for the period subsequent to the termination hereof that the Company shall
continue to pay Employee his salary and other benefits provided hereunder, but
not to exceed two years following the termination of this Agreement, he will
not, directly, or indirectly, for himself or others, own, manage, operate,
control, be employed by, consult on behalf of or otherwise engage or participate
in the ownership, management, operation or control of, any company or other
business enterprise engaged in the Company Business within any of the Subject
Areas; provided, however, that nothing contained herein shall prohibit Employee
from (i) having passive investments in any publicly held business enterprise or
(ii) having passive investments in any privately held business enterprise so
long as he does not own more than 5% of the equity interests of any privately
held business enterprise that engages in the Company Business in any of the
Subject Areas.

                  6.3 Employee acknowledges and agrees that imminent harm and
irreparable injury will result to Company or to TransCoastal and their property
in the event of a breach of the noncompetition covenant contained in Section 6.2
by Employee, and that Company shall be entitled, in addition to any other
remedies and damages available to Company, to an injunction to restrain such
breach or threatened breach by Employee.

                  6.4 The Company and the Employee recognize and acknowledge
that the Company has acquired the business of Dickson GMP from Employee and
other Shareholders and that this Section 6 is partial consideration for the sale
of such business. Employee recognizes that the noncompetition agreement is
necessary to protect the legitimate business interests of Company, TransCoastal
and its affiliates, including their goodwill and confidential information.

         7.       NOTICES.

                  All notices, requests, consents and other communications
required or permitted to be given hereunder shall be in writing and shall be
deemed to have been duly given if delivered personally or sent by prepaid
telegram or mailed first-class, postage prepaid, by registered or certified
mail, as follows (or to such other address as any party shall designate by
notice in writing to the other in accordance herewith):
<PAGE>   8

                             If to the Company, then to:

                             TransCoastal Acquisition, Inc.
                             2925 Briarpark Drive, Suite 930
                             Houston, Texas  77042
                             Attention:  Thad "Bo" Smith


                             If to Employee, then to:

                             Fred E. Gallander, Jr.
                             6 Rosedown Court
                             New Orleans, Louisiana 70131

         8.       GENERAL.

                  8.1 This Agreement shall be governed by and construed and
enforced in accordance with the Laws of the State of Texas, regardless of any
conflicts of law rule, principle, or law to the contrary. Any legal action or
proceeding against the Company or Employee with respect to this Agreement may be
brought in the United States District Court, Southern District of Texas in
Houston, Texas or in courts of Harris County, Texas, and, by execution of this
Agreement, the Company and Employee hereby accept, unconditionally and
irrevocably, the exclusive jurisdiction and venue of such courts and hereby
agree to be bound by any final and nonappealable judgment rendered in any such
action or proceeding.

                  8.2 The section headings contained herein are for reference
purposes only and shall not in any way affect the meanings or interpretation of
this Agreement.

                  8.3 This Agreement sets forth the entire agreement and
undertaking of the parties relating to the subject matter hereof, and supersedes
all prior agreements, arrangements and understandings, written or oral, relating
to the subject matter hereof.

                  8.4 No representation, promise or inducement has been made by
any party that is not embodied in this Agreement, and no party shall be bound by
or liable for any alleged representation, promise or inducement not so set
forth.

                  8.5 This Agreement, and Employee's rights and obligations
hereunder, may not be assigned by Employee. Subject to the other provisions of
this Agreement, the Company may assign its rights, together with obligations
hereunder, to any of its respective affiliates or subsidiaries, or in connection
with any sale, merger, transfer or other disposition of all or substantially all
of its business or assets; however, any such transaction shall require that this
Agreement be expressly assumed and shall not expand the scope of Employee's
obligations hereunder or otherwise amend the provisions of this Agreement
without Employee's express written consent.
<PAGE>   9

                  8.6 If any of the provisions of this Agreement are hereafter
construed to be invalid or unenforceable, the same shall not affect the
remainder of the provisions of this Agreement, which shall be given full effect
without regard to the invalid portions.

                  8.7 This Agreement may be amended, modified, superseded,
canceled, renewed or extended, and the terms or covenants hereof may be waived
only by a written instrument executed by all of the parties hereto. The failure
of any party at any time or times to require performance of any provision hereof
shall in no manner affect the right at a later time to enforce the same. No
waiver by any party of the breach of any term or covenant contained in this
Agreement, whether by conduct or otherwise, in any one or more instances, shall
be deemed to be, or construed as, a further or continuing waiver of any such
breach, or a waiver of the breach of any other term or covenant contained in
this Agreement.

                  8.8 This Agreement may be executed in any number of
counterparts and shall become binding when one or more counterparts bear the
signature of all of the parties reflected hereon as signatories.

         9.       CHANGE OF CONTROL

                  Notwithstanding any provisions of this Agreement to the
contrary, in the event of a sale of all or substantially all of the assets of
the Company or TransCoastal, a merger, consolidation, liquidation, or
reorganization of the Company or TransCoastal, in which the Company or
TransCoastal is not the surviving entity, or any other event which results in a
change in control of the Company or TransCoastal, the Company or the surviving
entity as the case may be, shall either expressly adopt the provisions of this
Agreement, including maintaining Employee in the position provided for herein or
shall pay to Employee at such time an amount equal to twenty-four (24) months
compensation of Employee's then current annual salary and shall continue to
provide the other benefits provided for herein for the period set forth above.
Such Employee shall continue to be bound by Sections 5 and 6 herein; otherwise,
the Employee shall be released from this Agreement.




<PAGE>   10



         IN WITNESS WHEREOF, the parties have duly executed this Employment
Agreement on the dates set forth below each signature.

                                    EMPLOYEE



                                    Name:  Fred E. Gallander, Jr.



                                    TRANSCOASTAL ACQUISITION, INC.


                                    By:
                                          Name:       B. E. Stallworth
                                          Title:      President


                                    GUARANTY

         Notwithstanding any provision hereof to the contrary, TransCoastal
agrees that it is bound by the terms and conditions hereof to the same extent as
the Company and does hereby by its execution hereof for the purpose of this
guaranty only does unconditionally guarantee each and every obligation
undertaken herein by the Company.

                                    TRANSCOASTAL MARINE SERVICES, INC.


                                    By:
                                          Name:       Thad Smith, III
                                          Title:      President


<PAGE>   11



                                 EXHIBIT 1.2(d)

                             FRED E. GALLANDER, JR.


APPROVED OUTSIDE BUSINESS AND INVESTMENTS ACTIVITIES PURSUANT TO SECTION 1.2(d):


                                      NONE



<PAGE>   12



                                    EXHIBIT 1
                              POSITION DESCRIPTION

         FRED E. GALLANDER, JR.

POSITION:

Chief Executive Officer

RESPONSIBILITIES:

Chief Executive Officer responsible for the overall direction and operations of
the Company and affiliates

AUTHORITY:

Approved Capital Budget - $1,000,000
Approved Facilities Expense - $1,000,000

REPORTS TO:

President and Chief Operating Officer, Transcoastal Marine Services, Inc.

FACILITIES AND SUPPORT COMPANY WILL PROVIDE:

An office in the New Orleans, Louisiana metropolitan area

Provide reasonable and necessary office furnishing, up-to-date office equipment,
including any special office equipment, as well as dedicated secretarial,
clerical and other support personnel commensurate with position.

BENEFITS:

In addition, to all standard Company benefits, incentives, and items embodied in
the Employment Agreement, the following items are provided:

o         Car allowance of $750 per month

o         All business related mobile telephone expenses (including local and
          long distance charges)

o         Membership costs and expenses in business organizations and clubs
          (limit one club)

o         Business Class Air Fare for flights less than 2 hours in duration and
          First-class or Business Class Air travel in flights in excess of 2
          hours in duration

o         Reasonable and documented business expenses
<PAGE>   13

o         All home and office expenses, including special fax telephone lines
          and equipment as needed and required

o         E-mail and on-line connection fees and subscriber service

o         Annual physical examination






<PAGE>   14



                                   EXHIBIT 6.1




<PAGE>   1
                                                      FOR MORE INFORMATION:
                                                      Johnnie W. Domingue
                                                      Chief Financial Officer
                                                      713-784-7429



TRANSCOASTAL COMPLETES ACQUISITION OF DICKSON GMP INTERNATIONAL, INC.


HOUSTON, TEXAS, September 1, 1998 - TransCoastal Marine Services, Inc. (Nasdaq:
TCMS) today completed the acquisition of Dickson GMP International, Inc. and
four affiliated companies. Dickson, which performs project management,
fabrication and installation of specialized oil and gas production facilities
worldwide, had revenues in 1997 of approximately $44 million and is expected to
exceed that amount in 1998.

The final terms of the agreement call for TransCoastal to acquire all the
outstanding stock of the Dickson companies for $10 million in cash and 1.3
million shares of TransCoastal common stock. The agreement also provides the
potential for the Dickson shareholders to receive an additional $7.3 million in
cash and 0.4 million shares of TransCoastal common stock if certain financial
targets are achieved by the Dickson companies by September 1, 1999.

"We are very excited to have finalized the deal with Dickson. Their expertise
and experience internationally matches up with our fabrication, pipelay, and
burial equipment expertise in shallow water and the transition zone. This opens
up contract opportunities that neither company could have gone after alone,"
stated Bo Smith, president and chief operating officer of TransCoastal. "These
potential contracts range in revenue expectations from $60 million to $100
million and extend over one to two years," continued Smith.

Fred Gallander, CEO of the Dickson companies, will continue with his management
responsibilities for the Dickson companies as their president and will join the
TransCoastal board of directors. Gallander stated, "I am personally looking
forward to tackling some of these business opportunities that Dickson would have
been unable to bid on in the past. But now with the assets and resources
TransCoastal has to offer, we will be very competitive in certain international
markets."

TransCoastal Marine Services, Inc. is headquartered in Houston, Texas, with two
divisions focused on pipeline/offshore services and marine fabrication. The
pipeline/offshore services division includes pipeline installation and repair,
primarily in
<PAGE>   2
the transition zone and shallow water regions worldwide. For all water depths,
the company performs hydrostatic testing and commissioning of pipelines. The
fabrication division is focused on the construction and refurbishment of
drilling rigs, barges, production platforms and related facilities.


                                       ###





- --------------------------------------------------------------------------------

This press release may contain forward-looking statements concerning results of
operations, profitability of the company, and marketplace trends. These
statements are based on many assumptions and other factors, including dependence
on the cyclical oil and gas industry, competitive pricing, and the performance
of fixed-price contracts. Many of these factors are discussed in the Annual
Report on Form 10-K for the year ended December 31, 1997, and the Quarterly
Report on Form 10-Q for the three months ended June 30, 1998. Any changes in
such assumptions or factors could produce materially different results.






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