TEXAS GAS TRANSMISSION CORP
424B1, 1994-03-30
NATURAL GAS DISTRIBUTION
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<PAGE>   1
 
   
                                                Filed Pursuant to Rule 424(b)(1)
    
   
                                                       Registration No. 33-52707
    
 
   
PROSPECTUS
    
                                  $150,000,000
 
                       TEXAS GAS TRANSMISSION CORPORATION
 
   
                             8 5/8% NOTES DUE 2004
    
                            ------------------------
   
     Interest on the Notes is payable semi-annually on April 1 and October 1 of
each year beginning October 1, 1994. The Notes will not be redeemable prior to
maturity and do not provide for any sinking fund.
    
 
     The Notes will be general unsecured obligations of the Company and will
rank pari passu with all existing indebtedness of the Company and senior in
right of payment to any future subordinated indebtedness of the Company.
                            ------------------------
     SEE "INVESTMENT CONSIDERATIONS" FOR A DISCUSSION OF CERTAIN FACTORS THAT
SHOULD BE CONSIDERED IN CONNECTION WITH AN INVESTMENT IN THE NOTES OFFERED
HEREBY.
                            ------------------------
 
THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES
 AND EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION, NOR HAS
  THE  SECURITIES  AND  EXCHANGE  COMMISSION  OR  ANY  STATE  SECURITIES
   COMMISSION    PASSED    UPON    THE   ACCURACY   OR   ADEQUACY   OF   THIS
     PROSPECTUS. ANY REPRESENTATION TO THE CONTRARY IS A CRIMINAL OFFENSE.
 
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
 
   
<TABLE>
<S>                                          <C>              <C>              <C>
                                                 PRICE TO       UNDERWRITING      PROCEEDS TO
                                                 PUBLIC(1)       DISCOUNT(2)     COMPANY(1)(3)
- ------------------------------------------------------------------------------------------------
Per Note.....................................       100%           1.875%           98.125%
- ------------------------------------------------------------------------------------------------
Total........................................   $150,000,000     $2,812,500      $147,187,500
- ------------------------------------------------------------------------------------------------
- ------------------------------------------------------------------------------------------------
</TABLE>
    
 
   
(1) Plus accrued interest, if any, from April 11, 1994.
    
 
(2) The Company has agreed to indemnify the several Underwriters against certain
    liabilities under the Securities Act of 1933. See "Underwriting."
 
   
(3) Before deduction of expenses payable by the Company estimated at $567,200.
    
                            ------------------------
   
     The Notes are offered by the several Underwriters, subject to prior sale,
when, as and if issued to and accepted by them, subject to approval of certain
legal matters by counsel for the Underwriters and certain other conditions. The
Underwriters reserve the right to withdraw, cancel or modify such offer and to
reject orders in whole or in part. It is expected that delivery of the Notes
will be made in New York, New York on or about April 11, 1994.
    
 
                            ------------------------
 
MERRILL LYNCH & CO.                                    CITICORP SECURITIES, INC.
                            ------------------------
                 The date of this Prospectus is March 29, 1994
<PAGE>   2
 
     IN CONNECTION WITH THIS OFFERING, THE UNDERWRITERS MAY OVER-ALLOT OR EFFECT
TRANSACTIONS WHICH STABILIZE OR MAINTAIN THE MARKET PRICE OF THE NOTES OFFERED
HEREBY AT LEVELS ABOVE THOSE WHICH MIGHT OTHERWISE PREVAIL IN THE OPEN MARKET.
SUCH STABILIZING, IF COMMENCED, MAY BE DISCONTINUED AT ANY TIME.
 
                       STATEMENT OF AVAILABLE INFORMATION
 
     Texas Gas Transmission Corporation ("Texas Gas" or the "Company") is
subject to the informational requirements of the Securities Exchange Act of
1934, as amended (the "1934 Act"), and is required to file reports and other
information with the Securities and Exchange Commission (the "SEC"). Reports and
other information filed by the Company may be inspected and copied at the public
reference facilities maintained by the SEC at 450 Fifth Street, N.W., Judiciary
Plaza, Washington, D.C. 20549, and at regional offices of the SEC located at the
Northwest Atrium Center, 500 West Madison Street, Suite 1400, Chicago, Illinois
60661, and at Seven World Trade Center, 13th Floor, New York, New York 10048.
Copies of such material may also be obtained from the Public Reference Section
of the SEC in its Washington, D.C. office at prescribed rates. The Company's
principal executive office is located at 3800 Frederica Street, Owensboro,
Kentucky 42301, and its telephone number is (502) 926-8686.
 
     This Prospectus does not contain all information set forth in the
Registration Statement of which this Prospectus is a part, or exhibits relating
thereto which the Company has filed with the SEC under the Securities Act of
1933, as amended (the "Act"). Reference is made to the Registration Statement
and to the exhibits relating thereto for further information with respect to the
Company and the Notes offered hereby. Statements contained herein concerning the
provisions of documents are necessarily summaries of such documents, and each
such statement is qualified in its entirety by reference to the copy of the
applicable document filed with the SEC.
 
                INCORPORATION OF CERTAIN DOCUMENTS BY REFERENCE
 
     The Company's Annual Report on Form 10-K for the year ended December 31,
1993 (the "Texas Gas 1993 Form 10-K"), which is reproduced as Annex A in this
Prospectus and heretofore filed with the SEC by the Company pursuant to the 1934
Act, is incorporated herein by reference.
 
     All documents filed by the Company pursuant to Sections 13(a), 13(c), or
15(d) of the 1934 Act after the date of this Prospectus and before the
termination of this offering shall be deemed to be incorporated by reference in
this Prospectus and to be a part hereof from the date of filing of such
documents. Any statement contained herein or in a document incorporated herein
by reference shall be deemed to be modified or superseded for purposes of this
Prospectus to the extent that a statement contained herein or in any other
subsequently filed document which also is or is deemed to be incorporated by
reference modifies or supersedes such statement. Any such statement so modified
or superseded shall not be deemed, except as so modified or superseded, to
constitute a part of this Prospectus.
 
     The Company will provide without charge to each person, including any
beneficial owner of securities to whom this Prospectus is delivered, upon
request of such person, a copy of any and all other documents that are
incorporated by reference in this Prospectus (other than exhibits to such
documents unless such exhibits are specifically incorporated by reference in any
such documents). Requests for copies of such documents should be directed to the
office of the Corporate Secretary, Texas Gas Transmission Corporation, c/o
Transco Energy Company, 2800 Post Oak Boulevard, P.O. Box 1396, Houston, Texas
77251, telephone number (713) 439-2000.
 
                                        2
<PAGE>   3
 

                                      (MAP)


 
                                        3
<PAGE>   4
 
                               PROSPECTUS SUMMARY
 
     The following summary is qualified in its entirety by the detailed
information including the financial information appearing elsewhere or
incorporated by reference in this Prospectus. As used herein, the term "Transco"
refers to Transco Energy Company together with its wholly owned subsidiaries,
unless the context otherwise requires; the terms "Texas Gas" or the "Company"
refer to Texas Gas Transmission Corporation and the term "TGPL" refers to
Transcontinental Gas Pipe Line Corporation.
 
                                  THE COMPANY
 
     Texas Gas, an indirect wholly owned subsidiary of Transco, is a major
interstate natural gas pipeline company primarily engaged in the transportation
of natural gas. Texas Gas owns and operates an extensive pipeline system
originating in major gas supply areas in the Louisiana Gulf Coast area and in
East Texas and running generally north and east through Louisiana, Arkansas,
Mississippi, Tennessee, Kentucky, Indiana and into Ohio, with smaller diameter
lines extending into Illinois. The Texas Gas system currently consists of 6,050
miles of transmission lines. In conjunction with its pipeline facilities, Texas
Gas owns and operates ten underground storage reservoirs having a total capacity
of 176.7 Bcf* and a working capacity of 86.5 Bcf.
 
                                  THE OFFERING
 
   
<TABLE>
<S>                                 <C>
The Notes........................   $150,000,000 aggregate principal amount of 8 5/8% Notes
                                    due 2004 (the "Notes").
Maturity Date....................   April 1, 2004.
Interest Payment Dates...........   April 1 and October 1, commencing October 1, 1994.
Ranking..........................   The Notes will rank pari passu with all existing
                                    indebtedness of the Company and senior in right of payment
                                    to any future subordinated indebtedness.
Redemption.......................   The Notes will not be redeemable prior to maturity.
Certain Covenants................   The Indenture with respect to the Notes will contain
                                    certain covenants that, among other things, restrict the
                                    ability of the Company, under certain circumstances, to
                                    create liens and engage in certain sale and leaseback
                                    transactions. See "Description of the Notes -- Covenants."
Use of Proceeds..................   The net proceeds from the offering of the Notes hereby
                                    (the "Offering"), together with other available funds of
                                    the Company, will be used to refinance the Company's 10%
                                    Debentures due November 1, 1994 (the "10% Debentures").
</TABLE>
    
 
- ---------------
 
* As used herein, the term "Mcf" means thousand cubic feet, the term "MMcf"
  means million cubic feet, the term "Bcf" means billion cubic feet and the term
  "Tcf" means trillion cubic feet. Unless otherwise stated, gas volumes are
  stated at a pressure base of 14.73 pounds per square inch and at 60()
  Fahrenheit.
 
                                        4
<PAGE>   5
 
                            SELECTED FINANCIAL DATA
 
     The selected financial information set forth below has been prepared from
the financial statements of Texas Gas. This selected financial information
should be read in conjunction with the financial statements and the notes
thereto included in the Texas Gas 1993 Form 10-K attached as Annex A to this
Prospectus. For an explanation of significant variations in the Company's
financial results for the years ended 1993 compared to 1992 and 1992 compared to
1991, see "Management's Discussion and Analysis of Financial Condition and
Results of Operations" in the Texas Gas 1993 Form 10-K attached as Annex A to
this Prospectus.
 
<TABLE>
<CAPTION>
                                                            POST-ACQUISITION                           PRE-ACQUISITION(1)
                                      --------------------------------------------------------------   ------------------
                                                                                           FOR THE          FOR THE
                                                                                           PERIOD            PERIOD
                                              FOR THE YEARS ENDED DECEMBER 31,             4/3/89            1/1/89
                                      ------------------------------------------------       TO                TO
                                         1993         1992         1991         1990      12/31/89(1)        4/2/89
                                      ----------   ----------   ----------   ----------   ----------   ------------------
                                                                    (THOUSANDS OF DOLLARS)
<S>                                   <C>          <C>          <C>          <C>          <C>          <C>
INCOME STATEMENT DATA:
Operating Revenues..................  $  465,459   $  463,865   $  468,109   $  671,237   $  441,732       $  207,844
                                      ----------   ----------   ----------   ----------   ----------   ------------------
Costs of Sales and Transportation...     213,512      236,860      251,761      439,668      289,696          151,832
Operation and Maintenance...........      54,803       53,898       57,126       57,364       38,417           11,932
Administrative and General..........      62,702       46,267       58,907       51,682       43,525           14,032
Depreciation, Depletion and                                                                          
  Amortization......................      38,330       37,637       36,959       34,479       24,690            7,945
Taxes - Other Than Income Taxes.....      13,075       13,265       12,743       12,493        9,230            3,303
Provision for Severance Costs.......          --           --        6,259           --           --               --
Provision for Producer                                                                               
  Settlements.......................          --           --       (3,473        2,225           --            6,250
                                      ----------   ----------   ----------   ----------   ----------   ------------------
Total Operating Costs and                                                                            
  Expenses..........................     382,422      387,927      420,282      597,911      405,558          195,294
                                      ----------   ----------   ----------   ----------   ----------   ------------------
Operating Income....................      83,037       75,938       47,827       73,326       36,174           12,550
Other (Income) and Deductions.......      17,425        8,557       11,484            3       23,111            4,352
                                      ----------   ----------   ----------   ----------   ----------   ------------------
Income Before Income Taxes and                                                                       
  Extraordinary Loss................      65,612       67,381       36,343       73,323       13,063            8,198
Provision for Income Taxes..........      26,555       26,463       14,894       27,879        5,563            3,030
                                      ----------   ----------   ----------   ----------   ----------   ------------------
Income Before Extraordinary Loss....      39,057       40,918       21,449       45,444        7,500            5,168
Extraordinary Loss on Early                                                                          
  Retirement of Debt, Net...........          --           --           --           --       (1,963)              --
                                      ----------   ----------   ----------   ----------   ----------   ------------------
Net Income..........................      39,057       40,918       21,449       45,444        5,537            5,168
Dividends on Preferred Stock........          --           --           --           --           --               83
                                      ----------   ----------   ----------   ----------   ----------   ------------------
Common Stock Equity in Net Income...  $   39,057   $   40,918   $   21,449   $   45,444   $    5,537       $    5,085
                                      ----------   ----------   ----------   ----------   ----------   ------------------
                                      ----------   ----------   ----------   ----------   ----------   ------------------
BALANCE SHEET DATA:                                                                       
Total Assets........................  $1,132,346   $1,139,964   $1,110,530   $1,069,554   $1,192,050       $1,082,031
                                      ----------   ----------   ----------   ----------   ----------   ------------------
                                      ----------   ----------   ----------   ----------   ----------   ------------------
Short-Term Debt and Current
  Maturities of Long-Term Debt......  $  150,000   $       --   $       --   $       --   $       --       $      256
                                      ----------   ----------   ----------   ----------   ----------   ------------------
                                      ----------   ----------   ----------   ----------   ----------   ------------------
Capitalization:                                                                                     
  Long-Term Debt, Less Current                                                                      
    Maturities......................  $   98,678   $  248,305   $  250,000   $  250,000   $  250,000       $  251,574
  Redeemable Preferred Stock........          --           --           --           --           --            3,969
  Common Stockholder's Equity.......     607,236      602,904      596,849      597,804      602,360          423,259
                                      ----------   ----------   ----------   ----------   ----------   ------------------
      Total Capitalization..........  $  705,914   $  851,209   $  846,849   $  847,804   $  852,360       $  678,802
                                      ----------   ----------   ----------   ----------   ----------   ------------------
                                      ----------   ----------   ----------   ----------   ----------   ------------------
Cash Dividends and Returns of                                                                       
  Capital on Common Stock...........  $   34,725   $   34,863   $   22,404   $   50,000   $       --       $   75,000
                                      ----------   ----------   ----------   ----------   ----------   ------------------
                                      ----------   ----------   ----------   ----------   ----------   ------------------
OTHER FINANCIAL DATA:                                                                               
Earnings Before Interest, Taxes,                                                                    
  Depreciation and Amortization                                                                     
  (EBITDA)..........................  $  129,520   $  131,702   $   99,882   $  137,667   $   77,900       $   23,218
Interest Expense....................      25,578       26,684       26,580       29,865       40,147            7,075
Capital Expenditures................      33,014       38,236       57,238       66,039       52,665            3,047
Ratio of Earnings to Fixed                                                                          
  Charges(2)........................        3.51         3.41         2.37         3.35         1.35             2.08
</TABLE>
 
- ------------
 
(1) The Pre-Acquisition period amounts represent operations and balances of the
    Company prior to its acquisition by Transco on April 3, 1989. On such date
    Transco acquired the Company and two related companies from CSX for $598
    million in cash and the assumption of $250 million of long-term debt. A
    portion of the purchase price was financed with $350 million of debt with
    the Company as guarantor. The acquisition of the Company by Transco was
    accounted for using the purchase method of accounting. Accordingly, the
    acquisition debt and the purchase price were pushed down and recorded in the
    Company's financial statements. As a result, the post-acquisition and
    pre-acquisition amounts are not comparable. For the period April 3, 1989 to
    December 31, 1989, the pre-tax income was reduced by approximately $17.6
    million ($11.6 million after-tax), resulting from the interest on the
    acquisition debt which was pushed down. The debt was repaid on September 18,
    1989.
 
(2) For the purposes of calculating the ratio of earnings to fixed charges,
    earnings available for fixed charges consist of income before income taxes
    and extraordinary loss, interest expense, the portion of rents
    representative of the interest factor, amortization of debt expense,
    discount and premium and dividends and distributions from
    less-than-fifty-percent-owned affiliates, net of equity in earnings of
    less-than-fifty-percent-owned affiliates. Fixed charges consist of interest
    expense, the portion of rents representative of the interest factor and
    amortization of debt expense, discount and premium.
 
                                        5
<PAGE>   6
 
                           INVESTMENT CONSIDERATIONS
 
     Through the years, the Company has consistently maintained its financial
strength and experienced strong operational results. As an indirect wholly owned
subsidiary of Transco, the Company may be affected by the financial position and
performance of Transco and its other subsidiaries. The Company does not
currently anticipate that its relationship with Transco will have a material
adverse effect on its financial position or results of operations.
 
     In October 1991, Transco's Board of Directors approved a comprehensive
strategic and financial plan (the "Plan") designed to stabilize Transco's
financial position, improve its financial flexibility and restore its earnings.
Since the Plan's adoption, Transco has made significant progress in the
implementation of the Plan, including the sale of certain non-core and
non-strategic businesses, reduction in capital expenditures, resolution of
certain material litigation and improvement in its results of operations and
financial flexibility. Certain contingencies remain to be resolved, including
Transco's ability to ultimately recover its remaining investment in its
non-operating interest in coalbed methane properties and related assets and
certain litigation relating to producer contract settlements with certain
subsidiaries of Transco pursuant to which producers have made claims against
such subsidiaries for indemnification of certain claims for royalties. Transco
remains committed to deleveraging its balance sheet, further eliminating or
mitigating the potentially adverse impact from the resolution of remaining
contingencies and improving financial results.
 
     As a subsidiary of Transco, the Company engages in transactions with
Transco and other Transco subsidiaries which are characteristic of group
operations. The Company meets its working capital requirements by participation
in the Transco consolidated cash management program, pursuant to which the
Company, for investment purposes, both makes advances to and receives repayments
of advances from Transco. Further, the Company accesses capital markets to fund
its long-term debt requirements. In addition, the Company and Transco's other
subsidiaries pay dividends, based on the level of their earnings and net cash
flows, to provide funds to Transco for debt service and dividend payments.
 
     To meet the working capital requirements of Transco and its subsidiaries,
Transco has in place a $450 million credit facility, amended as of December 31,
1993, with a group of fifteen banks (the "Amended Transco Bank Credit Facility")
and a $50 million letter of credit facility with a group of five banks (the
"Reimbursement Facility"). The Company has guaranteed repayment of up to $180
million under the Amended Transco Bank Credit Facility and up to $20 million
under the Reimbursement Facility (collectively, the "Texas Gas Guarantees").
 
     The Amended Transco Bank Credit Facility and the Reimbursement Facility
prohibit the Company from, among other things, incurring or guaranteeing any
additional indebtedness (except for indebtedness incurred to refinance existing
indebtedness), issuing preferred stock or advancing cash to affiliates other
than Transco. Further, the Amended Transco Bank Credit Facility, the
Reimbursement Facility and the Indenture governing Transco's 11 1/4% Notes due
1999 (the "Transco Indenture") contain financial covenants which could limit
Transco's ability to make additional borrowings and, therefore, under certain
circumstances, its ability to repay advances to the Company or to make capital
contributions to the Company.
 
     Neither Transco nor the Company believes that further implementation of the
Plan nor the resolution of remaining contingencies will have a material adverse
effect on Transco's ability to remain in compliance with the terms of the
Amended Transco Bank Credit Facility, the Reimbursement Facility or the Transco
Indenture or to meet its capital requirements. Further, the Company and Transco
believe that the Company's cash flows from operating activities, supplemented,
if necessary, by repayment of funds advanced to Transco, will provide the
Company with sufficient liquidity to meet its capital requirements, including
payments relating to the Notes. However, if Transco's consolidated earnings and
cash flows from operating activities significantly decrease or if the resolution
of Transco's contingencies requires significant additional charges against
earnings or significant payments to be made by Transco, Transco's ability to
remain in compliance with financial covenants contained in the Amended Transco
Bank Credit Facility, the Reimbursement Agreement and the Transco Indenture
could be affected. In this event, Transco could be prohibited from repaying
funds advanced to Transco by the Company and, under certain circumstances, the
Company could be required to make payments pursuant to the Texas Gas Guarantees.
 
                                        6
<PAGE>   7
 
                                  THE COMPANY
 
     Texas Gas is a major interstate natural gas pipeline company primarily
engaged in the transportation of natural gas. Texas Gas owns and operates an
extensive pipeline system originating in major gas supply areas in the Louisiana
Gulf Coast area and in East Texas and running generally north and east through
Louisiana, Arkansas, Mississippi, Tennessee, Kentucky, Indiana and into Ohio,
with smaller diameter lines extending into Illinois. The Texas Gas system
currently consists of 6,050 miles of transmission lines. In conjunction with its
pipeline facilities, Texas Gas owns and operates ten underground storage
reservoirs having a total capacity of 176.7 Bcf and a working capacity of 86.5
Bcf.
 
     The Company is a wholly owned subsidiary of Transco Gas Company ("TGC"),
which is wholly owned by Transco. Prior to its acquisition by Transco on April
3, 1989, the Company was an indirect wholly owned subsidiary of CSX Corporation
("CSX"). The Company was incorporated in the State of Delaware on December 7,
1945.
 
     For a description of the business of Texas Gas, see the Texas Gas 1993 Form
10-K attached as Annex A to this Prospectus.
 
                       RATIO OF EARNINGS TO FIXED CHARGES
 
<TABLE>
<CAPTION>
                                                                                    PRE-ACQUISITION(1)
                                   POST-ACQUISITION                                 ------------------
        -----------------------------------------------------------------------          FOR THE
         FOR THE        FOR THE        FOR THE        FOR THE         FOR THE             PERIOD
           YEAR           YEAR           YEAR           YEAR          PERIOD              1/1/89
          ENDED          ENDED          ENDED          ENDED         4/3/89 TO              TO
        12/31 1993     12/31 1992     12/31 1991     12/31 1990     12/31/89(1)           4/2/89
        ----------     ----------     ----------     ----------     -----------     ------------------
<S>        <C>            <C>          <C>            <C>             <C>               <C>
           3.51           3.41         2.37           3.35            1.35              2.08
</TABLE>
 
      ------------------
 
        (1) The Pre-Acquisition period ratio represents operations of the
            Company prior to its acquisition by Transco on April 3, 1989. On
            such date Transco acquired the Company and two related companies
            from CSX for $598 million in cash and the assumption of $250 million
            of long-term debt. A portion of the purchase price was financed with
            $350 million of debt with the Company as guarantor. The acquisition
            of the Company by Transco was accounted for using the purchase
            method of accounting. Accordingly, the acquisition debt and the
            purchase price were pushed down and recorded in the Company's
            financial statements. As a result, the post-acquisition and
            pre-acquisition ratios are not comparable. For the period April 3,
            1989 to December 31, 1989, pre-tax income was reduced by
            approximately $17.6 million ($11.6 million after-tax), resulting
            from the interest on the acquisition debt which was pushed down. The
            debt was repaid on September 18, 1989.
 
     For the purposes of calculating the foregoing ratios, earnings available
for fixed charges consist of income before income taxes and extraordinary loss,
interest expense, the portion of rents representative of the interest factor,
amortization of debt expense, discount and premium and dividends and
distributions from less-than-fifty-percent-owned affiliates, net of equity in
earnings of less-than-fifty-percent-owned affiliates. Fixed charges consist of
interest expense, the portion of rents representative of the interest factor and
amortization of debt expense, discount and premium.
 
                                USE OF PROCEEDS
 
   
     The net proceeds from the Offering are estimated to be approximately $146.6
million, which together with other available funds of the Company, will be used
to refinance the Company's 10% Debentures.
    
 
                                        7
<PAGE>   8
 
                                 CAPITALIZATION
 
   
     The following table sets forth the capitalization of the Company at
December 31, 1993 and as adjusted to reflect the sale of the Notes by the
Company (assuming net proceeds to the Company of approximately $146.6 million)
and the application of such net proceeds to repay certain indebtedness of the
Company as described under "Use of Proceeds." The Company has also guaranteed
repayment of up to $180 million of the Amended Transco Bank Credit Facility and
up to $20 million of the Reimbursement Facility pursuant to the Texas Gas
Guarantees. See "Management's Discussion and Analysis of Financial Condition and
Results of Operations" in the 1993 Texas Gas Form 10-K attached as Annex A to
this Prospectus. The Texas Gas Guarantees are not reflected in the table.
    
 
   
<TABLE>
<CAPTION>
                                                                             DECEMBER 31,
                                                                                 1993
                                                                            ---------------
                                                                                        AS
                                                                            ACTUAL     ADJUSTED
                                                                            ----       ----
<S>                                                                         <C>        <C>
                                                                             (MILLIONS OF
                                                                               DOLLARS)
Current Maturities of Long-Term Debt.....................................   $150       $ --
                                                                            ----       ----
                                                                            ----       ----
Long-Term Debt, Less Current Maturities..................................     99        249
Common Stockholder's Equity..............................................    607        607
                                                                            ----       ----
     Total Capitalization................................................   $706       $856
                                                                            ----       ----
                                                                            ----       ----
</TABLE>
    
 
                                        8
<PAGE>   9
 
                            DESCRIPTION OF THE NOTES
 
   
     The Notes are to be issued under the Indenture, to be dated as of April 11,
1994 (the "Indenture"), between the Company and Chase Manhattan Bank, N.A., as
Trustee (the "Trustee"), a copy of which has been filed as an exhibit to the
Registration Statement of which this Prospectus is a part. The following
summaries of certain provisions of the Indenture do not purport to be complete
and are subject to, and are qualified in their entirety by reference to, all the
provisions of the Indenture, including the definitions therein of certain terms.
Wherever particular sections or defined terms of the Indenture are referred to,
such sections or defined terms are incorporated herein by reference.
    
 
GENERAL
 
   
     The Notes will be unsecured obligations of the Company, will be limited to
$150 million aggregate principal amount and will mature on April 1, 2004. The
Notes will bear interest at the rate per annum shown on the front cover of this
Prospectus from April 11, 1994 or from the most recent Interest Payment Date to
which interest has been paid or provided for, payable semi-annually on April 1
and October 1 of each year, commencing on October 1, 1994, to the Person in
whose name the Note (or any Predecessor Note) is registered at the close of
business on the preceding March 15 or September 15, as the case may be.
Principal of and premium, if any, and interest on the Notes will be payable, and
transfer of Notes will be registrable, at the office or agency of the Company in
The Borough of Manhattan, The City of New York. In addition, payment of interest
may, at the option of the Company, be made by check mailed to the address of the
Person entitled thereto as it appears in the Note Register.
    
 
     The Notes will be issued only in fully registered form, without coupons, in
denominations of $1,000 and any integral multiple thereof. No service charge
will be made for any registration of transfer or exchange of Notes, but the
Company may require payment of a sum sufficient to cover any tax or other
governmental charge payable in connection therewith.
 
COVENANTS
 
     The Indenture contains, among others, the following covenants:
 
     Limitations Concerning Distributions By and Transfers to Subsidiaries. The
Company may not, and may not permit any Subsidiary of the Company to, suffer to
exist any encumbrance or restriction (other than pursuant to law or regulation)
on the ability of any Subsidiary of the Company (i) to pay, directly or
indirectly, dividends or make any other distributions in respect of its Capital
Stock or pay any Debt or other obligation owed to the Company or any other
Subsidiary of the Company; (ii) to make loans or advances to the Company or any
Subsidiary of the Company; or (iii) to transfer any of its property or assets to
the Company or any other Subsidiary, except, in the case of any event described
in clause (i), (ii) or (iii) above, any encumbrance or restriction (a) pursuant
to any agreement in effect on the date of the Indenture (including the Texas Gas
Guarantees), or (b) pursuant to an agreement relating to any Debt outstanding on
the date such subsidiary becomes a Subsidiary of the Company and not Incurred in
anticipation of becoming a Subsidiary, or (c) pursuant to an agreement effecting
a renewal, extension, refinancing or refunding (or successive extensions,
renewals, refinancings or refundings) of Debt Incurred pursuant to an agreement
referred to in clause (a) or clause (b) above; provided, however, that the
provisions contained in any such agreements be no less favorable to the holders
of the Notes than those under such agreements existing, in the case of clause
(a) above, on the date of the Indenture or, in the case of clause (b) above, on
the date such subsidiary becomes a Subsidiary of the Company, in each case as
determined in good faith by the Board of Directors and evidenced by a Board
Resolution filed with the Trustee.
 
     The Company may not make any loan, advance, capital contribution to or
investment in, or transfer any of its property or assets to, any Wholly owned
Subsidiary except (i) in the ordinary course of business and consistent with the
past practices of the Company and its Subsidiaries or (ii) for fair value if the
Company delivers an Officers' Certificate to the Trustee stating that such
transfer will not be adverse to the Holders of the Notes, and in case of (ii) as
determined by the Board of Directors and evidenced by a Board Resolution filed
with the Trustee.
 
                                        9
<PAGE>   10
 
     Limitation on Liens. The Company may not, and may not permit any Subsidiary
of the Company to, Incur any Lien on property or assets of the Company or such
Subsidiary to secure Debt without making, or causing such Subsidiary to make,
effective provision for securing the Notes (and, if the Company may so
determine, any other Debt of the Company or of such Subsidiary which is not
subordinate to the Notes) equally and ratably with such Debt as to such property
for so long as such Debt will be so secured or in the event such Debt is Debt of
the Company which is subordinate in right of payment to the Notes, prior to such
Debt as to such property for so long as such Debt will be so secured.
 
     The foregoing restrictions will not apply to Liens existing on the date of
the Indenture or to: (i) any Liens (A) which secure all or part of the purchase,
acquisition or construction price or cost of any property or improvements to
property (or secure a loan made to enable the Company or any Subsidiary to
acquire or construct the property described in creating such Lien) or (B) upon
any property acquired or constructed by the Company or a Subsidiary and created
not later than 180 days after the later of (1) such acquisition or completion of
such construction and (2) commencement of full operation of such property, or
(C) existing on any property at the time of the acquisition thereof whether or
not assumed by the Company or any Subsidiary; provided that in all such cases
such Lien will extend to the property so acquired or constructed, fixed
improvements thereon, replacements, products and proceeds thereof, the income
and profits therefrom and, in the case of construction, the real property on
which such property is located; (ii) Liens securing only the Notes; (iii) Liens
in favor of the Company or a Wholly owned Subsidiary of the Company; (iv) Liens
on property of a Person existing at the time such Person is merged into or
consolidated with the Company or any Subsidiary of the Company and not created
in anticipation of becoming a Subsidiary; (v) Liens on property existing at the
time of acquisition thereof; (vi) Liens on property of the Company or any of the
Subsidiaries in favor of the United States of America or any state thereof, or
any instrumentality of either, to secure certain payments pursuant to any
contract or statute; (vii) Liens for taxes or assessments or other governmental
charges or levies; (viii) Liens to secure obligations under workmen's
compensation laws or similar legislation, including Liens with respect to
judgments which are not currently dischargeable; (ix) Liens incurred to secure
the performance of statutory obligations, surety or appeal bonds, performance or
return-of-money bonds or other obligations of a like nature incurred in the
ordinary course of business; (x) Liens to secure industrial revenue or
development or pollution control bonds; (xi) any Liens securing Debt owing by a
Subsidiary of the Company to one or more Wholly owned Subsidiaries of the
Company (but only if such Debt is held by such Wholly owned Subsidiaries); (xii)
Liens on inventory and receivables incurred in the ordinary course of business
to secure Debt incurred for working capital purposes, including the sale of
receivables on a limited or non-recourse basis; and (xiii) Liens to secure any
extension, renewal, refinancing or refunding (or successive extensions,
renewals, refinancings or refundings), in whole or in part of any Debt secured
by Liens referred to in the foregoing clauses (i) to (xii) so long as such Lien
does not extend to any other property and the Debt so secured is not increased.
 
     In addition to the foregoing, the Company and its Subsidiaries may Incur a
Lien to secure Debt or enter into a Sale and Leaseback Transaction, without
equally and ratably securing the Notes, if the sum of (i) the amount of Debt
secured by a Lien entered into after the date of the Indenture and otherwise
prohibited by the Indenture and (ii) the Attributable Value of all Sale and
Leaseback Transactions or Capitalized Lease Obligations in respect thereof
entered into after the date of the Indenture and otherwise prohibited by the
Indenture does not exceed 10% of Consolidated Net Tangible Assets.
 
     Limitation on Sale and Leaseback Transactions. The Company may not, and may
not permit any Subsidiary of the Company to, enter into any Sale and Leaseback
Transaction (except for a period not exceeding 12 months) unless: (1) the
Company or such Subsidiary would be entitled to incur a Lien to secure Debt or
enter into a Sale and Leaseback Transaction by reason of the provisions
described in the third paragraph under the "Limitation on Liens" covenant
without equally and ratably securing the Notes; or (2) the Company or such
Subsidiary applies or commits to apply within 60 days an amount equal to the Net
Available Proceeds of the sale pursuant to the Sale and Leaseback Transaction to
(a) the repayment of Company Debt which is pari passu with the Notes or, if no
such Debt is outstanding or repayable, in lieu thereof, other Company or
Subsidiary Debt or (b) the investment by the Company in Pipeline Assets.
 
                                       10
<PAGE>   11
 
     Limitation on Transactions with Affiliates and Related Persons. The Company
may not, and may not permit any Subsidiary of the Company to, directly or
indirectly, enter into any transaction after the date of the Indenture with any
Affiliate or Related Person (other than the Company or a wholly owned Subsidiary
of the Company) except for transactions in the ordinary course of business of
the Company which involve a dollar amount which is less than 5% of the
consolidated revenues of the Company and its Subsidiaries for the prior fiscal
year, unless the Board of Directors determines in its good faith judgment and
evidenced by a Board Resolution describing such transaction and filed with the
Trustee that: (1) such transaction is in the best interest of the Company or
such Subsidiary and (2) such transaction is on terms no less favorable to the
Company or such Subsidiary than those that could be obtained in an arm's length
transaction; provided, however, that the foregoing limitation shall not apply to
the cash management program, tax sharing agreements, management service
agreements, gas marketing agreements, agency agreements or other arrangements or
agreements among Transco and its Subsidiaries in effect on the date hereof, or
any successor arrangements on comparable terms.
 
PROVISION OF FINANCIAL INFORMATION
 
     So long as the Notes are Outstanding, whether or not the Company is subject
to the reporting requirements of Section 13(a) or 15(d) of the 1934 Act, the
Company will file with the Commission the annual reports, quarterly reports and
other documents which the Company would have been required to file with the
Commission pursuant to Section 13(a) or 15(d) if the Company were so required.
The Company will also provide to all Holders and file with the Trustee copies of
the annual reports, quarterly reports and other documents which the Company
would have been required to file with the Commission pursuant to Section 13(a)
or 15(d) of the 1934 Act if the Company were subject to the reporting
requirements of such Sections and if filing such documents by the Company with
the Commission is not permitted under the 1934 Act, and promptly upon written
request supply copies of such documents to any prospective Holder.
 
DEFEASANCE
 
     The Company may (A) if applicable, be discharged from any and all
obligations in respect of the Outstanding Notes (except for certain obligations
to issue temporary Notes and exchange them for definitive Notes, register the
transfer or exchange of Notes, replace mutilated, destroyed, lost and stolen
Notes, maintain paying agencies and hold moneys for payment in trust), or (B) if
applicable, omit to comply with restrictive covenants, and such omission will
not be deemed to be an Event of Default under the Indenture and the Notes, in
either case (A) or (B), upon irrevocable deposit with the Trustee, in trust, of
money and/or U.S. Government Obligations which through the payment of interest
thereon and principal thereof in accordance with their terms will provide, not
later than one day before the due date of any payment, money in an amount
sufficient in the opinion of a nationally recognized firm of independent public
accountants to pay the principal of and premium, if any, and each installment of
interest, if any, on the Outstanding Notes. With respect to clause (B), the
obligations under the Indenture other than with respect to such covenants and
the Events of Default other than the Event of Default relating to such covenants
above shall remain in full force and effect. Such trust may only be established
if, among other things, (i) the Company has delivered to the Trustee (a) an
Opinion of Counsel to the effect, among other things, that the deposit and
related defeasance would not cause the Holders of the Notes to recognize gain or
loss for Federal income tax purposes (and, in the case of defeasance of the type
described in clause (A) above, such opinion must refer to and be based upon a
ruling of the Internal Revenue Service or a change in applicable Federal income
tax laws after the date of the Indenture); and (b) an Officers' Certificate to
the effect that the Notes, if then listed on any securities exchange, will not
be delisted as a result of such deposit; (ii) no Event of Default or event that
with the passing of time or the giving of notice, or both, shall constitute an
Event of Default shall have occurred or be continuing (a) on the date of such
deposit or (b) insofar as certain events of bankruptcy, insolvency or
reorganization are concerned, at any time during the period ending on the 91st
day after the date of such deposit (it being understood that this condition
shall not be deemed satisfied until the expiration of such period); (iii) such
defeasance or covenant defeasance will not result in the trust arising from such
deposit constituting an investment company as defined in the Investment Company
Act of 1940, as amended, or such
 
                                       11
<PAGE>   12
 
trust will be qualified under such act or exempt from regulation thereunder; and
(iv) certain other conditions are satisfied.
 
MERGERS, CONSOLIDATIONS AND CERTAIN SALES AND PURCHASES OF ASSETS
 
     The Company may not and may not permit any Subsidiary of the Company
created after the date of the Indenture to: (i) consolidate with or merge into
any other Person (other than the Company or a Wholly owned Subsidiary of the
Company) or permit any other Person to consolidate with or merge into the
Company or any Subsidiary of the Company; (ii) directly or indirectly, transfer,
convey, sell, lease or otherwise dispose of all or substantially all of its
properties and assets as an entirety; (iii) directly or indirectly, acquire
Capital Stock or other ownership interests of any other Person such that such
Person becomes a Subsidiary of the Company; or (iv) directly or indirectly,
purchase, lease or otherwise acquire (x) all or substantially all of the
properties and assets or (y) any existing business (whether existing as a
separate entity, subsidiary, division, unit or otherwise) of any Person as an
entity unless, in the case of any of the events described in clause (i), (ii),
(iii) or (iv) above: (1) immediately before and after giving effect to such
transaction and treating any Debt Incurred by the Company or a Subsidiary of the
Company, as a result of such transaction as having been Incurred by the Company
or such Subsidiary at the time of the transaction, no Event of Default or event
that with the passing of time or the giving of notice, or both, shall constitute
an Event of Default shall have occurred and be continuing; (2) in a transaction
in which the Company does not survive or in which the Company transfers,
conveys, sells, leases or otherwise disposes of all or substantially all of its
properties and assets as an entirety, the successor entity to the Company is a
corporation, partnership or trust and organized and validly existing under the
laws of the United States of America, any State thereof or the District of
Columbia which expressly assumes, by a supplemental indenture executed and
delivered to the Trustee in form satisfactory to the Trustee, all of the
Company's obligations under the Indenture; (3) immediately after giving effect
to any such transaction of the type described in clauses (i) and (ii) above, the
Consolidated Net Worth of the Company or the successor entity to the Company is
equal to or greater than that of the Company immediately prior to the
transaction; (4) if, as a result of any such transaction, property or assets of
the Company or any Subsidiary of the Company would become subject to a lien
prohibited by the "Limitation on Liens" covenant, the Company or the successor
entity to the Company will have secured the Notes as required by such covenant;
and (5) the Company has delivered to the Trustee an Officers' Certificate and an
Opinion of Counsel as specified in the Indenture.
 
EVENTS OF DEFAULT
 
     The following will be Events of Default under the Indenture: (a) failure to
pay any interest on any Note when due, continued for 30 days; (b) failure to pay
principal of (or premium, if any, on) any Note when due; (c) failure to perform
or comply with the provisions described under "Mergers, Consolidations and
Certain Sales and Purchases of Assets"; (d) failure to perform any other
covenant or warranty of the Company in the Indenture, continued for 60 days
after written notice as provided in the Indenture; (e) failure to pay when due
the principal of, or acceleration of, any indebtedness for money borrowed by the
Company or any Subsidiary of the Company if the aggregate amount of all such
indebtedness shall exceed $5 million, and if such indebtedness is not
discharged, or such acceleration is not annulled, within 30 days after written
notice to the Trustee by the Holders of at least 25% in aggregate principal
amount of the Outstanding Notes as provided in the Indenture; (f) the rendering
of a final judgment or judgments (not subject to appeal) against the Company or
any of its Subsidiaries in an aggregate amount in excess of $5 million which
remains unstayed, undischarged or unbonded for a period of 60 consecutive days
thereafter; and (g) certain events of bankruptcy, insolvency or reorganization
affecting the Company. Subject to the provisions of the Indenture relating to
the duties of the Trustee in case an Event of Default shall occur and be
continuing, the Trustee will be under no obligation to exercise any of its
rights or powers under the Indenture at the request or direction of any of the
Holders, unless such Holders shall have offered to the Trustee reasonable
indemnity. Subject to such provisions for the indemnification of the Trustee,
the Holders of a majority of principal amount of the Outstanding Notes will have
the right to direct the time, method and place of conducting any proceeding for
any remedy available to the Trustee or exercising any trust or power conferred
on the Trustee.
 
                                       12
<PAGE>   13
 
     If an Event of Default (other than an Event of Default of the type
described in clause (g) above) shall occur and be continuing, either the Trustee
or the Holders of at least 25% in aggregate principal amount of the Outstanding
Notes may accelerate the maturity of all Notes, and if an Event of Default of
the type described in clause (g) above shall occur, the principal of and any
accrued interest on the Notes then Outstanding shall become immediately due and
payable; provided, however, that after such acceleration, but before a judgment
or decree based on acceleration, the Holders of a majority in aggregate
principal amount of Outstanding Notes may, under certain circumstances, rescind
and annul such acceleration of all Events of Default, other than an Event of
Default in respect of the nonpayment of accelerated principal, if such Events of
Default have been cured or waived as provided in the Indenture. For information
as to waiver of defaults, see "Modification and Waiver".
 
     No Holder of any Note will have any right to institute any proceeding with
respect to the Indenture or for any remedy thereunder, unless such Holder shall
have previously given to the Trustee written notice of a continuing Event of
Default and unless the Holders of at least 25% in aggregate principal amount of
the Outstanding Notes shall have made a written request, and offered reasonable
indemnity, to the Trustee to institute such proceeding as trustee, and the
Trustee shall not have received from the Holders of a majority in aggregate
principal amount of the Outstanding Notes a direction inconsistent with such
request and shall have failed to institute such proceeding within 60 days.
However, such limitations do not apply to a suit instituted by a Holder of a
Note for enforcement of payment of the principal of (and premium, if any) or
interest on such Note on or after the respective stated maturities expressed in
such Note.
 
     The Company will be required to furnish to the Trustee annually a statement
as to the performance by the Company of certain of its obligations under the
Indenture and as to any default in such performance.
 
MODIFICATION AND WAIVER
 
     Modifications and amendments of the Indenture may be made by the Company
and the Trustee with the consent of the Holders of a majority in aggregate
principal amount of the Outstanding Notes; provided, however, that no such
modification or amendment may, without the consent of the Holder of each
Outstanding Note affected thereby, (a) change the Stated Maturity of the
principal of, or any installment of interest on, any Note, or reduce the
principal amount thereof or the rate of interest thereon or any premium payable
upon the redemption thereof, (b) change the place or currency of payment of
principal of (or premium, if any) or interest on, any Note, (c) impair the right
to institute suit for the enforcement of any payment on or with respect to any
Note, (d) reduce the above-stated percentage of aggregate principal amount of
Outstanding Notes necessary to modify or amend the Indenture, (e) reduce the
percentage of aggregate principal amount of Outstanding Notes necessary for
waiver of compliance with certain provisions of the Indenture or for waiver of
certain defaults, or (f) modify any provisions of the Indenture relating to the
modification and amendment of the Indenture or the waiver of past defaults or
covenants, except as otherwise specified.
 
     The Holders of a majority in aggregate principal amount of the Outstanding
Notes may waive compliance by the Company with certain restrictive provisions of
the Indenture. The Holders of a majority in aggregate principal amount of the
Outstanding Notes may waive any past default under the Indenture, except a
default in the payment of principal (or premium, if any) or interest or in
respect of a covenant or provision which cannot be modified or amended without
the consent of the Holder of each Outstanding Note affected.
 
CERTAIN DEFINITIONS
 
     "Affiliate" of any specified Person means any other Person directly or
indirectly controlling or controlled by or under direct or indirect common
control with such specified Person. For the purposes of this definition
"control" when used with respect to any specified Person means the power to
direct the management and policies of such Person, directly or indirectly,
whether through the ownership of voting securities, by contract or otherwise;
and the terms "controlling" and "controlled" have meanings correlative to the
foregoing.
 
     "Attributable Value" means, as to any particular lease under which any
Person is at the time liable other than a Capital Lease Obligation, and at any
date as of which the amount thereof is to be determined, the total
 
                                       13
<PAGE>   14
 
net amount of rent required to be paid by such Person under such lease during
the initial term thereof as determined in accordance with generally accepted
accounting principles, discounted from the last date of such initial term to the
date of determination at a rate per annum equal to the discount rate which would
be applicable to a Capital Lease Obligation with like term in accordance with
generally accepted accounting principles. The net amount of rent required to be
paid under any such lease for any such period shall be the aggregate amount of
rent payable by the lessee with respect to such period after excluding amounts
required to be paid on account of insurance, taxes, assessments, utility,
operating and labor costs and similar charges. In the case of any lease which is
terminable by the lessee upon the payment of a penalty, such net amount shall
also include the amount of such penalty, but no rent shall be considered as
required to be paid under such lease subsequent to the first date upon which it
may be so terminated. "Attributable Value" means, as to a Capital Lease
Obligation under which any person is at the time liable and at any date as of
which the amount thereof is to be determined, the capitalized amount thereof
that would appear on the face of a balance sheet of such person in accordance
with generally accepted accounting principles.
 
     "Board of Directors" means either the board of directors of the Company or
any duly authorized committee of that board.
 
     "Board Resolution" means a copy of a resolution certified by the Secretary
or an Assistant Secretary of the Company to have been duly adopted by the Board
of Directors and to be in full force and effect on the date of such
certification, and delivered to the Trustee.
 
     "Business Day" means each Monday, Tuesday, Wednesday, Thursday and Friday
which is not a day on which banking institutions in The Borough of Manhattan,
The City of New York, New York, are authorized or obligated by law or executive
order to close.
 
     "Capital Lease Obligation" of any Person means the obligation to pay rent
or other payment amounts under a lease of (or other Debt arrangements conveying
the right to use) real or personal property of such Person which is required to
be classified and accounted for as a capital lease or a liability on the face of
a balance sheet of such Person in accordance with generally accepted accounting
principles. The stated maturity of such obligation shall be the date of the last
payment of rent or any other amount due under such lease prior to the first date
upon which such lease may be terminated by the lessee without payment of a
penalty.
 
     "Capital Stock" of any Person means any and all shares, interests,
participations or other equivalents (however designated) of corporate stock of
such Person.
 
     "Consolidated Net Tangible Assets" of any Person means the sum of the
Tangible Assets of such Person and its Consolidated Subsidiaries after
eliminating inter-company items, all determined in accordance with generally
accepted accounting principles, including appropriate deductions for any
minority interest in Tangible Assets of such Consolidated Subsidiaries.
 
     "Consolidated Net Worth" of any Person means the consolidated stockholders'
equity of such Person and its Consolidated Subsidiaries, as determined on a
consolidated basis in accordance with generally accepted accounting principles,
less amounts attributable to Redeemable Stock of such person.
 
     "Consolidated Subsidiaries" of any person means all other Persons that
would be accounted for as consolidated Persons in such Person's financial
statements in accordance with generally accepted accounting principles.
 
     "Debt" means (without duplication), with respect to any Person, whether
recourse is to all or a portion of the assets of such Person, and whether or not
contingent, (i) every obligation of such Person for money borrowed, (ii) every
obligation of such Person evidenced by bonds, debentures, notes, guarantees or
other similar instruments, including obligations incurred in connection with
acquisition of property, assets or businesses, (iii) every reimbursement
obligation of such Person with respect to letters of credit, bankers'
acceptances or similar facilities issued for the account of such Person, (iv)
every obligation of such person issued or assumed as the deferred purchase price
of property or services (but excluding trade accounts payable or accrued
liabilities arising in the ordinary course of business (x) which are not overdue
by more than 90 days
 
                                       14
<PAGE>   15
 
or (y) which are being contested in good faith by appropriate proceedings
promptly instituted and diligently conducted and for which a proper reserve or
other appropriate provision, if any, as shall be required in accordance with
generally accepted accounting principles, shall have been made), (v) every
Capital Lease Obligation of such Person, (vi) the maximum fixed redemption or
repurchase price of Redeemable Stock of such Person at the time of
determination, (vii) every payment obligation of such Person under interest rate
swap or similar agreements or foreign currency hedge, exchange or similar
agreements at the time of determination, (viii) every obligation to pay rent or
other payment amounts of such Person with respect to any Sale and Leaseback
Transaction to which such Person is a party and (ix) every obligation of the
type referred to in clauses (i) through (viii) of another person and all
dividends of another person the payment of which, in either case, such Person
has Guaranteed or is responsible or liable, directly or indirectly, as Obligor,
Guarantor or otherwise.
 
     "Incur" means, with respect to any Debt or other obligation of any Person,
to create, issue, incur (by conversion, exchange or otherwise), assume,
Guarantee or otherwise become liable in respect of such Debt or other obligation
or the recording, as required pursuant to generally accepted accounting
principles or otherwise, of any such Debt or the obligation on the balance sheet
of such Person (and "Incurrence", "Incurred", "Incurrable" and "Incurring" shall
have meanings correlative to the foregoing); provided, however, that a change in
generally accepted accounting principles that results in an obligation of such
Person that exists at such time becoming Debt shall not be deemed an Incurrence
of such Debt.
 
     "Lien" means, with respect to any property or assets, any mortgage or deed
of trust, pledge, hypothecation, assignment, deposit agreement, security
interest, lien, charge, easement (other than any easement not materially and
adversely affecting the Company's financial position, results of operations,
business or prospects), encumbrance, preference, priority or other security
agreement or preferential arrangement of any kind or nature whatsoever on or
with respect to such property or assets (including, without limitation, any
conditional sale or other title retention agreement having substantially the
same economic effect as any of the foregoing).
 
     "Net Available Proceeds" from any Sale and Leaseback Transaction by any
Person means cash or readily marketable cash equivalents received (including by
way of sale or discounting of a note, installment receivable or other
receivable, but excluding any other consideration received in the form of
assumption by the acquisition of Debt or other obligations relating to such
properties or assets or received in any other noncash form) therefrom by such
Person, net of (i) all legal, title and recording tax expenses, commissions and
other fees and expenses incurred and all federal, state, provincial, foreign and
local taxes required to be accrued as a liability as a consequence of such Sale
and Leaseback Transaction, (ii) all payments made by such Person or its
Subsidiaries on any Debt which is secured by such assets in accordance with the
terms of any Lien upon or with respect to such assets or which must by the terms
of such Lien, or in order to obtain a necessary consent to such Sale and
Leaseback Transaction or by applicable law be repaid out of the proceeds from
such Sale and Leaseback Transaction, and (iii) all distributions and other
payments made to minority interest holders in Subsidiaries of such Person or
joint ventures as a result of such Sale and Leaseback Transaction.
 
     "Opinion of Counsel" means a written opinion of counsel, who may counsel
for the Company, and who shall be acceptable to the Trustee.
 
     "pari passu", when used with respect to the ranking of any Debt of any
Person in relation to other Debt of such Person, means that each such Debt (a)
either (i) is not subordinated in right of payment to any other Debt of such
Person or (ii) is subordinate in right or payment to the same Debt of such
Person as is the other and is so subordinate to the same extent and (b) is not
subordinate in right of payment to the other or to any Debt of such Person as to
which the other is not so subordinate.
 
     "Person" means any individual, corporation, partnership, joint venture,
trust, unincorporated organization or government or any agency or political
subdivision thereof.
 
     "Pipeline Assets" means all assets used or useful in the gas pipeline
business of the Company or its Subsidiaries.
 
                                       15
<PAGE>   16
 
     "Redeemable Stock" of any Person means any equity security of such Person
that by its terms or otherwise is required to be redeemed prior to the stated
maturity of the Notes or is redeemable at the option of the holder thereof at
any time prior to the stated maturity of the Notes.
 
     "Related Person" of any Person means, without limitation, any other Person
owning 5% or more of the outstanding Common Stock of such Person or 5% or more
of the Voting Stock of such Person.
 
     "Sale and Leaseback Transaction" of any Person means an arrangement with
any lender or investor or to which such lender or investor is a party providing
for the leasing by such Person of any property or asset of such Person which has
been or is being sold or transferred by such Person after the acquisition or the
completion of construction or commencement of operation thereof to such lender
or investor or to any person to whom funds have been or are to be advanced by
such lender or investor on the security of such property or asset. The stated
maturity of such arrangement shall be the date of the last payment of rent or
any other amount due under such arrangement prior to the first date on which
such arrangement may be terminated by the lessee without payment of a penalty.
 
     "Subsidiary" of any Person means (i) a corporation more than 50% of the
outstanding voting stock of which is owned, directly or indirectly, by such
Person or by one or more other Subsidiaries of such Person, or by such Person
and one or more other Subsidiaries thereof or (ii) any other Person (other than
a corporation) in which such Person, or one or more other Subsidiaries of such
Person, or such Person and one or more other Subsidiaries thereof, directly or
indirectly, has at least a majority ownership and power to direct the policies,
management and affairs thereof.
 
     "Tangible Assets" of any Person means, at any date, the gross book value as
shown by the accounting books and records of such Person of all its property
both real and personal, less (i) the net book value of all its licenses,
patents, patent applications, copyrights, trademarks, trade names, goodwill,
noncompete agreements or organizational expenses and other like intangibles,
(ii) unamortized Debt discount and expense, (iii) all reserves for depreciation,
obsolescence, depletion and amortization of its properties and (iv) all other
proper reserves which in accordance with generally accepted accounting
principles should be provided in connection with the business conducted by such
Person.
 
     "U.S. Government Obligations" means securities that are (x) direct
obligations of the United States of America for the payment of which its full
faith and credit is pledged or (y) obligations of a Person controlled or
supervised by and acting as an agency or instrumentality of the United States of
America the payment of which is unconditionally guaranteed as a full faith and
credit obligation by the United States of America, which, in either case, are
not callable or redeemable at the option of the issuer thereof, and shall also
include a depository receipt issued by a bank (as defined in Section 3(a)(2) of
the Securities Act of 1933, as amended) as custodian with respect to any such
U.S. Government Obligation or a specific payment of principal or interest on any
such U.S. Government Obligation held by such custodian if such custodian is not
authorized to make any deduction from the amount payable to the holder of such
depository receipt from any amount received by the custodian in respect of the
U.S. Government Obligation or the specific payment of principal of or interest
on the U.S. Government Obligation evidenced by such depository receipt.
 
     "Voting Stock" of any Person means Capital Stock of such Person which
ordinarily has voting power for the election of directors (or persons performing
similar functions) of such Person, whether at all times or only as long as no
senior class of securities has such voting power by reason of any contingency.
 
     "Wholly owned Subsidiary" of any Person means a Subsidiary of such Person
all of the outstanding Capital Stock or other ownership interests of which
(other than directors' qualifying shares) shall at the time be owned by such
Person or by one or more Wholly owned Subsidiaries of such Person or by such
Person and one or more wholly owned Subsidiaries of such Person.
 
                                       16
<PAGE>   17
 
                                  UNDERWRITING
 
     Subject to the terms and conditions set forth in an underwriting agreement
(the "Underwriting Agreement") between the Company and Merrill Lynch, Pierce,
Fenner & Smith Incorporated and Citicorp Securities, Inc. (the "Underwriters"),
the Company has agreed to sell to the Underwriters, and the Underwriters have
severally agreed to purchase, the respective principal amounts of the Notes set
forth after their names below. The Underwriting Agreement provides that the
obligations of the Underwriters are subject to certain conditions precedent and
that the Underwriters will be obligated to purchase all of the Notes if any are
purchased.
 
   
<TABLE>
<CAPTION>
                                                                          PRINCIPAL
                                  UNDERWRITER                              AMOUNT
                                  -----------                            -----------
        <S>                                                              <C>
        Merrill Lynch, Pierce, Fenner & Smith
                     Incorporated......................................   105,000,000
        Citicorp Securities, Inc.......................................    45,000,000
                                                                         ------------
                     Total.............................................  $150,000,000
                                                                         ------------
                                                                         ------------
</TABLE>
    
 
   
     The Underwriters have advised the Company that they propose initially to
offer the Notes to the public at the public offering price set forth on the
cover page of this Prospectus, and to certain dealers at such price less a
concession not in excess of 1.125% of the principal amount of the Notes. The
Underwriters may allow, and such dealers may reallow, a discount of not in
excess of .25% of the principal amount of the Notes to certain other dealers.
After the initial public offering, the public offering price, concession and
discount may be changed.
    
 
     The Notes are a new issue of securities with no established trading market.
The Underwriters have advised the Company that following the completion of the
initial offering of the Notes, the Underwriters presently intend to make a
market in the Notes. However, the Underwriters are not obligated to do so, and
market making activity with respect to the Notes may be discontinued at any time
without notice. There can be no assurance as to the liquidity of the trading
market for the Notes or that an active trading market for the Notes will
develop. If an active trading market does not develop, the market price and
liquidity of the Notes may be adversely affected.
 
     The Company has agreed to indemnify the Underwriters against certain
liabilities, including civil liabilities under the Act, or contribute to
payments which the Underwriters may be required to make in respect thereof.
 
     The Underwriters have from time to time provided and may in the future
provide investment banking services to Transco, and have received and may in the
future receive customary fees for such services. Citibank, N.A., an affiliate of
Citicorp Securities, Inc., is the agent bank and a lender to Transco pursuant to
the Amended Transco Bank Credit Facility. Citicorp Securities, Inc. and
affiliates have also provided and may in the future provide financial advisory
and commercial banking services to Transco.
 
                                 LEGAL MATTERS
 
     The legality of the Notes will be passed upon for the Company by David E.
Varner, Esq., Secretary of the Company and Senior Vice President, General
Counsel and Secretary of Transco. At March 14, 1994, Mr. Varner owned 25,756
shares of Transco common stock (including stock held in certain Transco benefit
plans) and had options to acquire 48,650 shares of Transco common stock. The
legality of the Notes will be passed upon for the Underwriters by Shearman &
Sterling, 599 Lexington Avenue, New York, New York 10022.
 
                                       17
<PAGE>   18
 
                                    EXPERTS
 
     The financial statements and financial statement schedules included in the
Texas Gas 1993 Form 10-K incorporated by reference in this Prospectus have been
audited by Arthur Andersen & Co., independent public accountants, as indicated
in their reports with respect thereto, and are included herein in reliance upon
the authority of said firm as experts in accounting and auditing in giving said
reports.
 
                                       18
<PAGE>   19
 
                                    ANNEX A
 
                       TEXAS GAS TRANSMISSION CORPORATION
 
                        1993 ANNUAL REPORT ON FORM 10-K
 
                                       A-1
<PAGE>   20
 
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
 
                UNITED STATES SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549
 
                                   FORM 10-K

[X]  ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE
     ACT OF 1934 (FEE REQUIRED)
     For the fiscal year ended December 31, 1993
 
                                       or
 
[ ]  TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES
     EXCHANGE ACT OF 1934 (NO FEE REQUIRED)
     For the transition period from to                  to
 
     Commission file number 1-4169

                       TEXAS GAS TRANSMISSION CORPORATION
             (Exact name of registrant as specified in its charter)

 
                    DELAWARE                             61-0405152
         (State of other jurisdiction of              (I.R.S. Employer
          incorporation or organization)             Identification No.)

    3800 FREDERICA STREET, OWENSBORO, KENTUCKY              42301
     (Address of principal executive offices)             (Zip Code)

     Registrant's telephone number, including area code:   (502) 926-8686
 
     Securities registered pursuant to Section 12(b) of the Act:  None
 
     Securities registered pursuant to Section 12(g) of the Act:  None
 
     Indicate by check mark whether the registrant (1) has filed all reports
required to be filed by Section 13 or 15(d) of the Securities Exchange Act of
1934 during the preceding 12 months (or for such shorter period that the
registrant was required to file such reports), and (2) has been subject to such
filing requirements for the past 90 days. Yes  X   No
 
     State the aggregate market value of the voting stock held by nonaffiliates
of the registrant. The aggregate market value shall be computed by reference to
the price at which stock was sold, or the average bid and asked prices of such
stock, as of a specified date within 60 days prior to the date of filing.  None
 
     Indicate the number of shares outstanding of each of the registrant's
classes of common stock, as of the latest practicable date. 1,000 shares as of
February 28, 1994
 
     REGISTRANT MEETS THE CONDITIONS SET FORTH IN GENERAL INSTRUCTION J(1)(A)
AND (B) OF FORM 10-K AND IS THEREFORE FILING THIS FORM WITH THE REDUCED
DISCLOSURE FORMAT.
 
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
 
                                       A-2
<PAGE>   21
 
                               TABLE OF CONTENTS
 
                                 1993 FORM 10-K
 
                       TEXAS GAS TRANSMISSION CORPORATION
 
   
<TABLE>
<CAPTION>
ITEM
 NO.                                                                                     PAGE
- ----                                                                                     ----
<S>    <C>                                                                               <C>
                                           PART I
 1.    Business........................................................................   A-4
 2.    Properties......................................................................  A-12
 3.    Legal Proceedings...............................................................  A-12
                                           PART II
 5.    Market for Registrant's Common Equity and Related Stockholder Matters...........  A-12
 7.    Management's Discussion and Analysis of Financial Condition and Results of
         Operations....................................................................  A-12
 8.    Financial Statements and Supplementary Data.....................................  A-20
 9.    Disagreements on Accounting and Financial Disclosure............................  A-41
                                           PART IV
14.    Exhibits, Financial Statement Schedules and Reports on Form 8-K.................  A-42
</TABLE>
    
 
                                       A-3
<PAGE>   22
 
                                     PART I
 
ITEM 1. BUSINESS.
 
                                    GENERAL
 
     Texas Gas Transmission Corporation (the Company) is a wholly owned
subsidiary of Transco Gas Company, which is wholly owned by Transco Energy
Company (Transco). As used herein, the term Transco refers to Transco Energy
Company together with its wholly owned subsidiary companies unless the context
otherwise requires.
 
     The Company is a major interstate natural gas pipeline company primarily
engaged in the transportation of natural gas. The Company owns and operates an
extensive pipeline system originating in major gas supply areas in the Louisiana
Gulf Coast area and in East Texas and running generally north and east through
Louisiana, Arkansas, Mississippi, Tennessee, Kentucky, Indiana and into Ohio,
with smaller diameter lines extending into Illinois. The Company's system
currently consists of approximately 6,050 miles of transmission lines. In
conjunction with its pipeline facilities, the Company owns and operates ten
underground storage reservoirs having a total capacity of 176.7 Bcf* and a
working capacity of 86.5 Bcf.
 
     The Company's direct market area encompasses eight states in the South and
Midwest, and includes the Memphis, Tennessee; Louisville, Kentucky; Cincinnati
and Dayton, Ohio; and Indianapolis, Indiana metropolitan areas. The Company also
has indirect market access to Northeast markets through interconnections with
Columbia Gas Transmission Corporation (Columbia), CNG Transmission Corporation
(CNG) and Texas Eastern Transmission Corporation (Texas Eastern). A large
portion of the gas delivered by the Company to its market area is used for space
heating, resulting in substantially higher daily requirements during winter
months than summer months.
 
                            TRANSPORTATION AND SALES
 
     Traditionally, interstate pipelines, including the Company, served
primarily as merchants of natural gas, purchasing gas under long-term contracts
with numerous producers in the production area and reselling gas to local
utilities in the market area under long-term sales agreements. Such merchant
service was known as bundled service.
 
     Regulatory policies under the Natural Gas Act of 1938 (NGA), relating to
both pipeline rates and conditions of service, stressed security of gas supplies
and service, and the recovery by pipelines of their prudently incurred costs of
providing that service.
 
     However, commencing in 1984, the Federal Energy Regulatory Commission
(FERC) issued a series of orders which have resulted in a major restructuring of
the natural gas pipeline industry and its business practices. With FERC Order
380, issued in 1984, the FERC freed pipeline customers from their contractual
obligations to purchase certain minimum levels of gas from their pipeline
suppliers. With implementation of "open access" transportation rules contained
in FERC Orders 436 and 500, the FERC afforded pipeline customers the opportunity
to purchase gas from third parties with pipelines transporting this supply to
the customers' markets. These FERC rules, coupled with a nationwide excess of
deliverable natural gas, have resulted in increased competition for markets and
decreases in natural gas prices.
 
     Faced with these changing conditions and declining sales, the Company
altered the manner in which it had traditionally conducted its business. In
September 1984, the Company began transporting gas for industrial end-users
served by its direct-served local distribution customers. As excess natural gas
became available and prices declined, transportation of customer-owned gas
increased. In September 1988, the
 
- ---------------
 
* As used in this report, the term "Mcf" means thousand cubic feet, the term
  "MMcf" means million cubic feet, the term "Bcf" means billion cubic feet and
  the term "Tcf" means trillion cubic feet. Unless otherwise stated in this
  report, gas volumes are stated at a pressure base of 14.73 pounds per square
  inch and at 60 degrees Fahrenheit.
 
                                       A-4
<PAGE>   23
 
Company accepted a certificate and became a permanent open access pipeline
system under FERC Orders 436 and 500.
 
     On April 8, 1992, the FERC issued Order 636 which brought about fundamental
changes in the way natural gas pipelines conduct their businesses. The FERC's
stated purpose of FERC Order 636 was to improve the competitive structure of the
natural gas pipeline industry by, among other things, unbundling a pipeline's
merchant role from its transportation services; ensuring "equality" of
transportation services; ensuring that shippers and customers have equal access
to all sources of gas; providing "no-notice" firm transportation services that
are equal in quality to bundled sales service; and changing rate design
methodology from Modified Fixed Variable (MFV) to Straight Fixed Variable (SFV),
unless the pipeline and its customers agree to a different form.
 
     FERC Order 636 also set forth methods for recovery by pipelines of costs
associated with compliance under FERC Order 636 (transition costs), including
unrecovered gas costs, gas supply realignment (GSR) costs, the cost of stranded
pipeline investment and the costs of new facilities required.
 
     On August 3, 1992, the FERC issued Order 636-A which modified the original
order to include one-part volumetric rates for small customers; the option of
unbundled gas sales to small customers at a cost-based rate for a one-year
period after the effective date of restructuring; a capacity release program;
recovery of certain transition costs through interruptible transportation (IT)
rates; and its use of either SFV methodology or other ratemaking techniques to
design rates which result in equitable treatment of customers with varying load
factors.
 
     On November 27, 1992, the FERC issued Order 636-B which reaffirmed several
significant requirements of FERC Order 636-A. FERC Order 636-B marked the end of
the restructuring rulemaking. The FERC has stated that it will not accept
further rehearing petitions. FERC Orders 636, 636-A and 636-B are presently
subject to court appeals.
 
     FERC Order 636 was implemented on the Company's system on November 1, 1993.
As a result of FERC Order 636, the Company's gas sales have been fundamentally
restructured. Prior to implementation of FERC Order 636, the Company had maximum
peak-day sales delivery obligations in excess of 1.7 Bcf per day under
individually certificated bundled sales contracts with more than 90 customers.
Effective November 1, 1993, all of these bundled sales services ceased and were
abandoned pursuant to FERC Order 636. Also as a result of FERC Order 636, the
Company entered into a limited number of new unbundled sales contracts under the
blanket certificate issued to it pursuant to that order. In compliance with
another FERC decision, FERC Order 497, the sales under this unbundled merchant
function are separately administered by Transco Gas Marketing Company (TGMC), an
affiliate of the Company. TGMC has been appointed the Company's exclusive agent
for the purpose of administering all existing and future sales and purchases for
the Company after implementation of FERC Order 636, except for the auction
transactions discussed below. Through its agent, TGMC, the Company currently
sells gas to fewer than ten customers with a total deliverability obligation of
substantially less than 0.2 Bcf per day.
 
     The only remaining sales administered by the Company are volumes purchased
from a limited number of non-market-responsive gas purchase contracts which are
auctioned each month to the highest bidder. The Company may file to recover the
price differential, between the cost to buy the gas under these gas purchase
contracts and the price realized from the resale of the gas at the auction, as a
GSR cost pursuant to FERC Order 636.
 
                                       A-5
<PAGE>   24
 
     The following table sets forth the Company's total system deliveries, which
exclude unbundled sales, and the mix of sales and transportation volumes for the
periods shown:
 
<TABLE>
<CAPTION>
                                                             YEAR ENDED DECEMBER 31,
                                                   -------------------------------------------
    SYSTEMS DELIVERIES (BCF):                         1993            1992            1991
    -------------------------                      -----------     -----------     -----------
    <S>                                            <C>     <C>     <C>     <C>     <C>     <C>
    Sales........................................   51.5     7%     80.4    11%     89.9    13%
    Long-haul transportation.....................  519.6    67     402.2    55     382.1    55
                                                   -----   ---     -----   ---     -----   ---
      Total mainline deliveries..................  571.1    74     482.6    66     472.0    68
    Short-haul transportation....................  204.0    26     244.2    34     225.6    32
                                                   -----   ---     -----   ---     -----   ---
              Total system deliveries............  775.1   100%    726.8   100%    697.6   100%
                                                   -----   ---     -----   ---     -----   ---
                                                   -----   ---     -----   ---     -----   ---
</TABLE>
 
     The Company's facilities are divided into five rate zones. Receipts and
deliveries are made in four zones to serve sales and long-haul transportation
markets. Receipts and deliveries in the remaining zone are made to serve sales
and short-haul transportation markets in southern Louisiana.
 
     The decline in gas sales in 1993 primarily was attributable to the
Company's implementation of FERC Order 636. The increase in transportation
volumes resulted primarily from the Company's implementation of additional firm
service for Transcontinental Gas Pipe Line Corporation (TGPL), an affiliate of
the Company, implementation of FERC Order 636 and colder weather during the
winter months of 1993 than the winter months of 1992. The revenues associated
with short-haul transportation volumes are not material to the Company.
 
     The following table sets forth the names of the Company's five largest
customers, along with the related sales and long-haul transportation volumes for
the periods shown (expressed in Bcf).
 
<TABLE>
<CAPTION>
                                                                         YEAR ENDED DECEMBER 31,
                                                                         ----------------------
                                                                         1993     1992     1991
                                                                         ----     ----     ----
<S>                                                                      <C>      <C>      <C>
Indiana Gas Company, Inc.
  Sales................................................................   8.6     13.4     19.6
  Long-haul transportation.............................................  21.9     19.1     16.3
Louisville Gas and Electric Company
  Sales................................................................   5.3     15.3     11.9
  Long-haul transportation.............................................  43.2     33.4     36.5
Memphis Light, Gas and Water Division
  Sales................................................................   7.5      7.9     12.2
  Long-haul transportation.............................................  18.4     12.5     11.4
Transcontinental Gas Pipe Line Corporation
  Long-haul transportation.............................................  52.5     26.8      2.3
Western Kentucky Gas Company
  Sales................................................................   8.7     12.3     12.9
  Long-haul transportation.............................................  21.1     16.0     20.6
</TABLE>
 
                                   GAS SUPPLY
 
     During 1993, as part of the Company's restructuring under FERC Order 636,
the Company has engaged in negotiations with suppliers which have resulted in
the successful termination of approximately 90% of the deliverability under its
non-market-responsive gas purchase contracts. Pursuant to FERC Order 636, the
Company is entitled to file for recovery of up to 100% of its prudently incurred
costs of terminating these contracts as GSR costs.
 
     The Company's remaining gas purchase commitments at the end of 1993 consist
of both market-responsive and non-market-responsive contracts. Pursuant to FERC
Order 636, gas purchased from the Company's non-market-responsive contracts is
being resold at a monthly auction. The Company continues to
 
                                       A-6
<PAGE>   25
 
pay to the supplier the actual contract price and is entitled to file for full
recovery of the difference between said contract price and the amount received
for sales at auction as GSR costs under FERC Order 636. The Company's
market-responsive contracts are being separately managed by its marketing
affiliate, TGMC. As a result of the foregoing, it is no longer material to the
Company's business to have proved gas reserves committed to the Company.
 
                                   REGULATION
 
INTERSTATE GAS PIPELINE OPERATIONS
 
     The Company is subject to regulation by the FERC as a "natural gas company"
under the NGA. The NGA grants to the FERC authority over the construction and
operation of pipeline and related facilities utilized in the transportation and
sale of natural gas in interstate commerce, including the extension, enlargement
and abandonment of such facilities. The FERC requires the filing of appropriate
applications by natural gas companies showing that the extension, enlargement or
abandonment of any facilities, as the case may be, is or will be required by a
certificate of public convenience and necessity. The Company holds certificates
of public convenience and necessity issued by the FERC authorizing it to
construct and operate all pipelines, facilities and properties now in operation
for which certificates are required, except for certain facilities that are not
material or with respect to which the FERC has issued temporary certificates.
 
     The NGA also grants to the FERC authority to regulate rates, charges and
terms of service for natural gas transported in interstate commerce or sold by a
natural gas company in interstate commerce for resale, and to regulate
curtailments of sales to customers. The FERC has authorized the Company to
charge natural gas sales rates that are market-based. As necessary, the Company
files with the FERC changes in its transportation and storage rates and charges
designed to allow it to recover fully its costs of providing service to its
interstate system customers, including a reasonable rate of return. Regulation
of gas curtailment priorities and the importation of gas are, under the
Department of Energy Reorganization Act of 1977, vested in the Secretary of
Energy.
 
     The Company is also subject to regulation by the Department of
Transportation under the Natural Gas Pipeline Safety Act of 1968 with respect to
safety requirements in the design, construction, operation and maintenance of
its interstate gas transmission facilities.
 
REGULATORY MATTERS
 
     Pursuant to FERC Order 500, certain other pipelines, from which the Company
made gas purchases (upstream pipelines), had received approval from the FERC to
bill customers for their producer settlement costs. The Company had, in turn,
received FERC approval to flow these costs through to its customers under the
FERC Order 500 purchase deficiency-based direct bill methodology. Following the
issuance of FERC Order 528, which replaced the purchase deficiency-based
recovery methodology, the Company, in 1991, made a series of filings which
reallocated these costs among customers pursuant to the provisions of FERC Order
528. Pursuant to these filings, the Company proposed to ultimately flow through
to its customers approximately $64.3 million of costs billed from upstream
pipelines. The FERC has issued orders accepting these filings subject to the
ultimate outcome of the underlying filings of the upstream pipelines and future
settlement by the Company. Although the total billings to the Company are
unresolved and the Company may be required to refund certain amounts previously
collected, the Company believes that it will be entitled to ultimately collect
all amounts that are billed by the upstream pipelines.
 
     On September 2, 1993, the Company filed to recover 75% of $3.4 million of
its producer settlement costs under FERC Order 528 which have resulted from
reimbursements to producers for certain royalty payments. A FERC order,
accepting the filing subject to refund and certain conditions, was issued on
October 1, 1993, allowing for recovery of $0.9 million through direct bill and
$1.7 million through a volumetric surcharge, both to be collected over a
12-month period which began October 3, 1993.
 
                                       A-7
<PAGE>   26
 
FERC ORDER 94-A
 
     In 1983, the FERC issued FERC Order 94-A, which permitted producers to
collect certain production-related gas costs from pipelines on a retroactive
basis. The FERC subsequently issued orders allowing pipelines, including the
Company, to bill their customers for such production-related costs through fixed
monthly charges based on a customer's historical purchases. In February 1990,
the D.C. Circuit Court overturned the FERC's authorization for pipelines to bill
production-related costs to customers based on gas purchased in prior periods
and remanded the matter to the FERC to determine an appropriate recovery
mechanism.
 
     On April 28, 1992, the Company filed a settlement with the FERC providing
for a reallocation of the FERC Order 94-A payments previously collected from
customers. The settlement provided for net refunds of $8.1 million to certain
customers and direct bill recovery of $2.7 million from other customers. The
remaining $5.4 million would be recovered through the PGA mechanism. On February
11, 1993, the FERC issued an order approving the settlement. Certain parties
filed for rehearing of the settlement. On January 12, 1994, the FERC issued its
"Order Granting Rehearing" which found that the FERC had committed a legal error
in allowing the previously mentioned direct bill of FERC Order 94-A costs. The
effect of this order as issued would be to require the Company to make refunds
to certain customers of $13.5 million, recover $2.7 million through direct
billing of other customers, recover $5.4 million as part of the direct billing
of its unrecovered purchase gas costs and absorb the remaining $5.4 million. The
Company believes it is entitled to full recovery of these FERC-ordered costs.
The Company has filed for rehearing of this order and has received an extension
staying the effectiveness of this order until 30 days after the FERC rules on
rehearing. The Company believes that its reserve for regulatory and rate matters
is adequate to provide for any costs which the Company may ultimately be
required to absorb.
 
FERC ORDER 636
 
     The Company has restructured its business to implement the provisions of
FERC Order 636. On October 1, 1993, the FERC issued its "Order on Compliance
Filing and Granting, In Part, and Denying, In Part, Rehearing and
Clarification," which essentially approved the major aspects of the Company's
FERC Order 636 compliance plan. The Company filed revised tariff sheets and
other changes pursuant to the October 1, 1993 order on October 18, 1993, which
permitted implementation of FERC Order 636 restructured services on November 1,
1993. On December 16, 1993, the FERC issued another order which required minor
tariff modifications. The Company submitted a filing in compliance with this
order on January 7, 1994. This filing was accepted by an order issued on
February 10, 1994. The Company's analysis of FERC Order 636 indicates that the
Company's transition costs are not currently expected to exceed $90 million,
primarily related to GSR contract termination costs, GSR pricing differential
costs incurred pursuant to the auction transactions, as discussed below, and
unrecovered purchased gas costs. As of December 31, 1993, the Company had
recorded $38 million of GSR costs.
 
     FERC Order 636 provides that pipelines should be allowed the opportunity to
recover all prudently incurred transition costs. Therefore, the Company expects
that any transition costs incurred should be recovered from its customers,
subject only to the costs and other risks associated with the difference between
the time such costs are incurred and the time when those costs may be recovered
from customers. On January 28, 1994, the Company submitted its first filing to
recover $11.5 million of GSR costs pursuant to the transition cost recovery
provisions of FERC Order 636 and the Company's FERC-approved Gas Tariff. This
amount represents 90% of the total GSR costs paid through November 30, 1993,
which are expected to be recovered over a 12-month period by application of a
demand surcharge to its firm transportation rates. The remaining 10% is expected
to be recovered from interruptible transportation service. The Company plans to
make quarterly filings to allow recovery of its GSR costs as such costs are
paid.
 
     As part of its implementation of FERC Order 636, the Company has been
allowed to retain its storage gas, in part to meet operational balancing needs
on its system, and in part to meet the requirements of the Company's "no-notice"
transportation service, which allows customers to temporarily draw from the
Company's storage gas to be repaid in-kind during the following summer season.
 
                                       A-8
<PAGE>   27
 
     Although no assurances can be given, the Company does not believe the
implementation of FERC Order 636 will have a material adverse effect on its
financial position or results of operations.
 
     For further discussion of regulatory matters, see Note C of Notes to
Financial Statements contained in Item 8 hereof.
 
ENVIRONMENTAL MATTERS
 
     The Company is subject to extensive federal, state and local environmental
laws and regulations which affect the Company's operations related to the
construction and operation of its pipeline facilities. Appropriate governmental
authorities may enforce these laws and regulations with a variety of civil and
criminal enforcement measures, including monetary penalties, assessment and
remediation requirements and injunctions as to future compliance. The Company's
use and disposal of hazardous materials are subject to the requirements of the
federal Toxic Substances Control Act (TSCA), the federal Resource Conservation
and Recovery Act (RCRA) and comparable state statutes. The Comprehensive
Environmental Response, Compensation and Liability Act (CERCLA), also known as
"Superfund," imposes liability, without regard to fault or the legality of the
original act, for release of a "hazardous substance" into the environment.
Because these laws and regulations change from time to time, practices which
have been acceptable to the industry and to the regulators have to be changed
and assessment and monitoring have to be undertaken to determine whether those
practices have damaged the environment and whether remediation is required.
Since 1989, the Company has had studies underway to test its facilities for the
presence of toxic and hazardous substances to determine to what extent, if any,
remediation may be necessary. On the basis of the findings to date, the Company
estimates that environmental assessment and remediation costs that will be
incurred over the next five years under TSCA, RCRA, CERCLA and comparable state
statutes will total approximately $7 million to $11 million. As of December 31,
1993, the Company had a reserve of approximately $7 million for these estimated
costs. This estimate depends upon a number of assumptions concerning the scope
of remediation that will be required at certain locations and the cost of
remedial measures to be undertaken. The Company is continuing to conduct
environmental assessments and is implementing a variety of remedial measures
that may result in increases or decreases in the total estimated costs.
 
     The Company has used lubricating oils containing polychlorinated biphenyls
(PCBs) and, although the use of such oils was discontinued in the 1970s, has
discovered residual PCB contamination in equipment and soils at certain gas
compressor station sites. The Company continues to work closely with the
Environmental Protection Agency (EPA) and state regulatory authorities regarding
PCB issues and has programs to assess and remediate such conditions where they
exist, the costs of which are a significant portion of the $7 million to $11
million range discussed above. Proposed civil penalties have been assessed by
the EPA against another major natural gas pipeline company for the alleged
improper use and disposal of PCBs. Although similar penalties have not been
asserted against the Company to date, no assurance can be given that the EPA may
not seek such penalties in the future.
 
     The Company has either been named as a potentially responsible party (PRP)
or received an information request regarding its potential involvement at four
federal "Superfund" waste disposal sites and one state waste disposal site.
Based on present volumetric estimates, the Company believes its estimated
aggregate exposure for remediation of these sites is approximately $500,000.
Liability under CERCLA (and applicable state law) can be joint and several with
other PRPs. Although volumetric allocation is a factor in assessing liability,
it is not necessarily determinative; thus the ultimate liability could be
substantially greater than the amount estimated above. The anticipated
remediation costs associated with these sites have been included in the $7
million to $11 million range discussed above. Although no assurances can be
given, the Company does not believe that its PRP status will have a material
adverse effect on its financial position or results of operations.
 
     The Company is currently recovering in its rates amounts approximately
equal to its annual expenditures for these environmental matters. The Company
considers these expenditures prudent operating and maintenance expenses incurred
in the ordinary course of business and anticipates that these costs will
continue to be recoverable through its rates.
 
                                       A-9
<PAGE>   28
 
     The Company is also subject to the Federal Clean Air Act and to the Federal
Clean Air Act Amendments of 1990 (1990 Amendments), which added significantly to
the existing requirements established by the Federal Clean Air Act. The 1990
Amendments required that the EPA issue new regulations, mainly related to mobile
sources, air toxics, ozone non-attainment areas and acid rain. In addition,
pursuant to the 1990 Amendments, the EPA has issued regulations under which
states must implement new air pollution controls to achieve attainment of
national ambient air quality standards in areas where they are not currently
achieved. The Company has compressor stations in ozone non-attainment areas that
could require additional air pollution reduction expenditures, depending on the
requirements imposed. Additions to facilities for compliance with currently
known Federal Clean Air Act standards and the 1990 Amendments are expected to
cost in the range of $2 million to $3 million over the next five years and will
be recorded as assets as the facilities are added. The Company considers costs
associated with compliance with environmental laws to be prudent costs incurred
in the ordinary course of business and, therefore, recoverable through its
rates.
 
                                     RATES
 
GENERAL
 
     The Company's rates are established primarily through the FERC ratemaking
process. Key determinants in the ratemaking process are (i) volume throughput
assumptions, (ii) costs of providing service and (iii) allowed rate of return.
The allowed rate of return is determined by the FERC in each rate case. Rate
design and the allocation of costs between the demand and commodity rates also
impact profitability.
 
RATE ISSUES
 
     In April 1990, the Company filed a general rate case (Docket No. RP90-104),
which became effective in November 1990, subject to refund. A settlement
agreement was filed on July 22, 1991, and approved by the FERC's "Order Granting
Reconsideration," on October 21, 1992. Refunds, including interest, of $36.3
million were made to customers on January 19, 1993.
 
     On April 29, 1993, the Company filed a general rate case (Docket No.
RP93-106) which, pursuant to the FERC's Suspension Order issued May 28, 1993,
became effective on November 1, 1993, subject to refund. The new rate case was
filed to satisfy the three-year filing requirements of the FERC's regulations,
to recover increased operating costs, to provide a return on increased capital
investment in pipeline facilities, to implement the SFV rate design methodology
and to facilitate resolution of various rate-related issues in the Company's
FERC Order 636 restructuring proceeding. The Company is currently engaged in
settlement proceedings regarding this case. The Company has established a
reserve, which it believes to be adequate, to reflect the difference between the
rates currently being charged and the rates expected to ultimately be effective
upon settlement of the case.
 
     During 1993, the Company made several filings under the provisions of its
approved tariff and FERC Orders 483 and 483-A to reflect changes in its
purchased gas costs. The Company also made filings to reflect changes in costs
of transportation by others, pursuant to the Transport Cost Adjustment (TCA)
tracker provisions of the approved tariff. Pursuant to that tariff, on December
30, 1993, the Company refunded $14.9 million of overcollected transportation
costs. The Annual PGA filing for gas costs incurred through August 1992 (Docket
No. TA93-1-18) was accepted by FERC Letter Order dated January 29, 1993, with no
purchasing practice issues being raised.
 
     On November 1, 1993, the Company implemented the provisions of FERC Order
636 (see discussion on FERC Order 636). Pursuant to FERC Order 636, the Company
terminated its PGA clause on that date. On January 31, 1994, the Company filed a
limited Section 4(e) filing pursuant to its approved FERC Gas Tariff to direct
bill the balance of its unrecovered purchase gas costs at October 31, 1993, to
its former sales customers. This filing is necessary to recover $3.0 million of
deferred gas costs applicable to the period September 1992 through October 1993.
The Company has no outstanding deferred gas cost issues pending in any other
proceeding.
 
                                      A-10
<PAGE>   29
 
                                  COMPETITION
 
     The Company and its primary market area competitors (ANR Pipeline Company,
Panhandle Eastern Pipe Line Company, Trunkline Gas Company, Texas Eastern,
Columbia, Tennessee Gas Pipeline Company and Midwestern Gas Transmission
Company) implemented FERC Order 636 on their respective systems during the
period May 1993 to November 1993. The Company and its major competitors all
employ SFV rate design for firm transportation as mandated by FERC Order 636.
 
     Future utilization of the Company's pipeline capacity will depend on
competition from other pipelines and alternative fuels, the general level of
natural gas demand and weather conditions. Although some of the Company's major
competitors implemented FERC Order 636 and SFV rates prior to the Company's
implementation, the impact on the Company's throughput was minimal. The Company
believes that under FERC Order 636, with SFV rates, its rate structure will
remain competitive and surcharges for recovery of its total transition costs
will not make its rates noncompetitive in its market as competitor pipelines are
believed to have transition costs also to be recovered in their rates.
 
     The end-use markets of several of the Company's customers have the ability
to switch to alternative fuels. To date, however, losses from fuel switching
have not been significant.
 
                               PIPELINE PROJECTS
 
     The Company is involved in expanding its markets through the following
projects:
 
LIBERTY PIPELINE COMPANY
 
     In 1992, Liberty Pipeline Company (Liberty Pipeline), a partnership of
interstate pipelines and local distribution companies, filed for FERC approval
to construct and operate a natural gas pipeline to provide up to 500 MMcf per
day in firm transportation service to the greater New York City area. The
partnership is comprised of subsidiaries of Transco, two other interstate
pipelines and subsidiaries of three of Transco's customers in New York,
collectively known as The New York Facilities Group.
 
     The pipeline is expected to cost approximately $162 million and is proposed
to be in service by the 1995-1996 winter heating season, subject to timely FERC
approval. Liberty Operating Company, a subsidiary of Transco, will construct and
operate the pipeline for the partnership.
 
     The Company has filed two separate applications with the FERC requesting
authority to expand its pipeline facilities to provide upstream transportation
service in connection with the Liberty Pipeline project. One application
requests authority to construct facilities at an estimated cost of $59.4 million
to provide an incremental 100 MMcf per day of firm service for The New York
Facilities Group and KIAC Partners, a cogeneration affiliate of The Brooklyn
Union Gas Company. The Company plans, subject to FERC approval, to construct $16
million of facilities to implement 30.3 MMcf per day of this incremental firm
service for the 1995-1996 winter heating season with the remaining $43.4 million
of facilities being constructed during 1996 to provide the remaining 69.7 MMcf
per day of incremental service for the 1996-1997 winter heating season. This
volume of gas will ultimately be transported by TGPL for redelivery to Liberty
Pipeline. The second application requests authority to expand the Company's
facilities to provide an incremental 35 MMcf per day of firm service for The
Power Authority of the State of New York at an estimated cost of $20.9 million.
The Company plans, subject to FERC approval, to construct the $20.9 million of
facilities during 1995 in order to implement the incremental firm transportation
service for The Power Authority of New York in time for the 1995-1996 winter
heating season.
 
WEST TENNESSEE PIPELINE EXPANSION
 
     In January 1994, the Company received approval from the FERC to expand its
Jackson-Ripley pipeline system located in northwest Tennessee to provide 4.6
MMcf per day of additional firm deliveries to three West Tennessee customers and
to construct additional pipeline looping providing system security on that part
of the Company's system. Construction is anticipated to commence during the
first quarter of 1994. Total cost for
 
                                      A-11
<PAGE>   30
 
this system expansion is expected to be $3.2 million, which the Company
anticipates it will incur during the first half of 1994.
 
                               EMPLOYEE RELATIONS
 
     The Company had 1,155 employees as of December 31, 1993. Certain of those
employees were covered by a collective bargaining agreement. A favorable
relationship existed between management and labor during the period.
 
     The International Chemical Workers Local 187 represents 199 of the
Company's 494 field operating employees. The current collective bargaining
agreement between the Company and Local 187 expires on April 30, 1995.
 
     The Company has a non-contributory pension plan and various other plans
which provide regular active employees with group life, hospital and medical
benefits as well as disability benefits and savings benefits. Officers and
directors who are full-time employees may participate in these plans.
 
ITEM 2. PROPERTIES.
 
     See "Item 1. Business."
 
ITEM 3. LEGAL PROCEEDINGS.
 
     For a discussion of the Company's current legal proceedings, see Note D of
Notes to Financial Statements contained in Item 8 hereof.
 
                                    PART II
 
ITEM 5. MARKET FOR REGISTRANT'S COMMON EQUITY AND RELATED STOCKHOLDER MATTERS.
 
     (a) and (b) As of December 31, 1993, all of the outstanding shares of the
Company's common stock are owned by Transco Gas Company, a wholly owned
subsidiary of Transco. The Company's common stock is not publicly traded and
there exists no market for such common stock.
 
ITEM 7. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS
        OF OPERATIONS
 
                        FINANCIAL ANALYSIS OF OPERATIONS
 
1993 COMPARED TO 1992
 
     As discussed in Note C of Notes to Financial Statements contained in Item 8
hereof, FERC Order 636 required pipelines to "unbundle" services; transportation
and storage services must be offered separately from the sale of gas. As a
result, effective November 1, 1993, the Company's remaining gas sales result
primarily from requirements to meet its remaining gas purchase commitments. The
Company's monthly gas purchases under non-market-responsive commitments are sold
at auction with any underrecovery of such costs deferred as a regulatory asset
for future recovery as a transition cost. All other gas purchase and sales
commitments are being managed by the Company's marketing affiliate as agent for
the Company. The Company's gas sales currently have no impact on its results of
operations.
 
     As part of its implementation of FERC Order 636, the Company has been
allowed to retain its storage gas, in part to meet operational balancing needs
on its system, and in part to meet the requirements of the Company's "no-notice"
transportation service, which allows customers to temporarily draw from the
Company's storage gas to be repaid in-kind during the following summer season.
As a result, the Company's gas stored underground has been reclassified as an
other noncurrent asset.
 
                                      A-12
<PAGE>   31
 
     The Company's November 1, 1993 implementation of FERC Order 636 also
included a change in its rate design method from MFV to SFV. Under the MFV
method, all fixed costs, with the exception of equity return and income taxes,
were included in the demand component of the charge to customers; the equity
return and income tax components of cost of service were included as part of the
volumetric charge to customers. Under the SFV method, all fixed costs, including
equity return and income taxes, are included in the demand charge to customers.
Accordingly, overall throughput has a less significant impact on the Company's
operating income than under the MFV method.
 
     Effective November 1, 1993, the Company placed rates into effect, subject
to refund, under a new general rate case (see discussion in Note C of Notes to
Financial Statements contained in Item 8 hereof). Certain parties to the rate
case proceedings are seeking to change the capital structure and reduce the
Company's return on equity included in rates.
 
     The Company's earnings may be impacted by competition from other pipelines,
its rate design structure, cost management, and, to a lesser extent,
fluctuations in its throughput which may result from a number of factors,
including weather. The Company believes that under FERC Order 636, with SFV
rates and its anticipated transition cost recovery, its rate structure will
remain competitive. However, the resolution of pending rate case issues
discussed above could negatively impact the Company's results of operations
under the pending rate case. Furthermore, while the use of SFV rate design
limits the Company's opportunity to earn incremental revenues through increased
throughput, it also minimizes the Company's risk associated with fluctuations in
throughput.
 
  Operating and Net Income
 
     Operating income was $7 million higher for the year ended December 31, 1993
than for the year ended December 31, 1992. The increase in operating income was
primarily due to higher gas transportation revenues, partially offset by lower
net gas sales revenues and increased other operating costs and expenses. Each of
these factors is discussed below.
 
     Excluding the Company's $4 million after-tax gain on the sale of its
subsidiary in 1992, net income was $3 million higher than 1992 for the same
reasons that resulted in higher operating income.
 
  Operating Revenues
 
     Operating revenues increased $2 million, primarily as a result of $48
million higher gas transportation revenues, partially offset by $45 million
lower gas sales revenues. The increase in gas transportation revenues was
primarily due to higher firm transportation demand revenues primarily as a
result of the conversion of customer's firm sales service to firm transportation
service due to the implementation of FERC Order 636 and higher long-haul
transportation volumes. Gas sales revenues decreased primarily as a result of
the conversion of customer's sales service and decreased commodity volumes.
 
  Operating Costs and Expenses
 
     Costs of gas sold decreased $22 million from the prior year. This decrease
was primarily due to the implementation of FERC Order 636 and the resultant
decrease in gas sales volumes.
 
     The Company's administrative and general expenses increased $16 million.
The increase was primarily due to $6 million higher labor and employee benefits
costs, a $5 million provision for uncollectible accounts, which includes $2
million in claims filed under customer bankruptcy proceedings, and $3 million in
higher management services fees allocated from Transco.
 
  System Deliveries
 
     As shown in the table below, the Company's total mainline deliveries for
the year ended December 31, 1993 increased 88.5 Bcf, or 18.3%, as compared to
the year ended December 31, 1992, primarily as a result of increased throughput
in connection with the Company's 1992 mainline expansion project, and, during
the winter months of 1993, 13% colder weather on a degree-day basis in the
Company's primary market area
 
                                      A-13
<PAGE>   32
 
compared to the winter months of 1992. The revenues associated with short-haul
transportation volumes are not material to the Company.
 
<TABLE>
<CAPTION>
                                                                             YEAR ENDED
                                                                            DECEMBER 31,
                                                                           ---------------
    SYSTEM DELIVERIES (BCF):                                               1993      1992
    ------------------------                                               -----     -----
    <S>                                                                    <C>       <C>
    Sales................................................................   51.5      80.4
    Long-haul transportation.............................................  519.6     402.2
                                                                           -----     -----
              Total mainline deliveries..................................  571.1     482.6
    Short-haul transportation............................................  204.0     244.2
                                                                           -----     -----
              Total system deliveries....................................  775.1     726.8
                                                                           -----     -----
                                                                           -----     -----
</TABLE>
 
     The Company's facilities are divided into five rate zones. Receipts and
deliveries are made in four rate zones to service sales and long-haul
transportation markets. Receipts and deliveries in the remaining zone are made
to serve sales and short-haul transportation markets in southern Louisiana.
 
1992 COMPARED TO 1991
 
     The table below shows the net income of the Company for the years ended
December 31, 1992 and 1991 and the effects of certain selected items that have
impacted those results (expressed in millions):
 
<TABLE>
<CAPTION>
                                                                             YEAR ENDED
                                                                            DECEMBER 31,
                                                                           ---------------
                                                                           1992      1991
                                                                           -----     -----
    <S>                                                                    <C>       <C>
    Net income before selected items.....................................  $36.5     $23.5
    Gain on sale of subsidiary...........................................    4.4        --
    Benefits of resolution of certain rate issues........................     --       2.5
    Provision for severance costs........................................     --      (3.9)
    Loss on proposed capital project.....................................     --      (0.7)
                                                                           -----     -----
              Net Income.................................................  $40.9     $21.4
                                                                           -----     -----
                                                                           -----     -----
</TABLE>
 
  Operating and Net Income
 
     Excluding the pre-tax effects of the selected items shown in the table
above, operating income was $25 million higher for the year ended December 31,
1992 than for the year ended December 31, 1991. The increase in operating income
was primarily due to higher mainline revenues, net of cost of natural gas sold
and transported ($17 million) primarily attributable to increased transportation
revenues discussed below, and lower labor and related benefits costs as a result
of the Company's early retirement program offered during the fourth quarter of
1991 ($9 million). Excluding the net income impact of the selected items shown
in the table above net income was $13 million greater than 1991 for the same
reasons that resulted in higher operating income, partially offset by lower
interest income due to lower interest rates on advances to affiliates.
 
  Operating Revenues
 
     Excluding the pre-tax effects of the selected items shown in the table
above, operating revenues decreased $4 million or 1%, primarily as a result of
$40 million lower gas sales revenues, partly offset by $36 million higher gas
transportation revenues. Gas sales decreased as a result of lower demand
revenues, decreased sales volumes and lower average rates. The increase in gas
transportation revenues was primarily due to higher firm transportation demand
revenues, primarily attributable to customers switching from firm sales to firm
transportation contracts and higher rate realization and increased long-haul
transportation volumes.
 
                                      A-14
<PAGE>   33
 
  Operating Costs and Expenses
 
     Costs of gas sold and transportation of gas by others decreased $15 million
from the prior year. This decrease was primarily the result of lower cost of gas
sold due to lower gas sales volumes, partially offset by an increase in expense
for transportation of gas by others.
 
     Excluding costs of gas sold and transportation of gas by others and the
pre-tax effect of the selected items, the Company's operating expenses decreased
$14 million. The decrease in other operating expenses was primarily due to lower
labor and related benefits costs in 1992 as a result of the Company's early
retirement program offered during the fourth quarter of 1991.
 
  System Deliveries
 
     As shown in the table below, the Company's total mainline deliveries for
the year ended December 31, 1992 increased 10.6 Bcf, or 2%, as compared to the
year ended December 31, 1991, primarily as a result of increased throughput in
connection with the Company's 1992 mainline expansion project, tariff rate
competitiveness relative to spot market prices, and discounting. Total system
deliveries for the year ended December 31, 1992 were greater than those for
1991, mainly due to an increase in short-haul transportation. The revenues
associated with these short-haul volumes were not significant.
 
<TABLE>
<CAPTION>
                                                                             YEAR ENDED
                                                                            DECEMBER 31,
                                                                           ---------------
    SYSTEM DELIVERIES (BCF):                                               1992      1991
    ------------------------                                               -----     -----
    <S>                                                                    <C>       <C>
    Sales................................................................   80.4      89.9
    Long-haul transportation.............................................  402.2     382.1
                                                                           -----     -----
              Total mainline deliveries..................................  482.6     472.0
    Short-haul transportation............................................  244.2     225.6
                                                                           -----     -----
              Total system deliveries....................................  726.8     697.6
                                                                           -----     -----
                                                                           -----     -----
</TABLE>
 
     The Company's throughput is impacted by seasonal changes in weather, as
well as competition from other gas pipelines. The weather in the Company's
primary market area during the winter months of 1992 was 14% warmer than normal.
During 1992, the Company continued to discount certain of its transportation
rates in response to competitive pressures and/or to gain incremental markets
for the purpose of increasing system throughput and associated revenues. The
discounted rates were provided on both a generic and selective basis after
analyzing the competitive and economic factors of each specific situation.
 
COMPETITION
 
     The Company and its primary market area competitors (ANR Pipeline Company,
Panhandle Eastern Pipe Line Company, Trunkline Gas Company, Texas Eastern,
Columbia, Tennessee Gas Pipeline Company and Midwestern Gas Transmission
Company) implemented FERC Order 636 on their respective systems during the
period May 1993 to November 1993. The Company and its major competitors all
employ SFV rate design for firm transportation as mandated by FERC Order 636.
 
     Future utilization of the Company's pipeline capacity will depend on
competition from other pipelines and alternative fuels, the general level of
natural gas demand and weather conditions. Although some of the Company's major
competitors implemented FERC Order 636 and SFV rates prior to the Company's
implementation, the impact on the Company's throughput was minimal. The Company
believes that under FERC Order 636, with SFV rates, its rate structure will
remain competitive and surcharges for recovery of its total transition costs
will not make its rates noncompetitive in its market as competitor pipelines are
believed to have transition costs also to be recovered in their rates.
 
     The end-use markets of several of the Company's customers have the ability
to switch to alternative fuels. To date, however, losses from fuel switching
have not been significant.
 
                                      A-15
<PAGE>   34
 
                        CAPITAL RESOURCES AND LIQUIDITY
 
INTRODUCTION
 
     Through the years, the Company has consistently maintained its financial
strength and experienced strong operational results. Since its 1989 acquisition
by Transco, the Company has continued to enjoy financial and operational
strength. As an indirect wholly owned subsidiary of Transco, the Company may be
affected by the financial position and performance of Transco and its other
subsidiaries. The Company does not currently anticipate that such relationship
will have a material adverse effect on its financial position or results of
operations.
 
     In October 1991, Transco's Board of Directors approved a comprehensive
strategic and financial plan (Plan) designed to stabilize Transco's financial
position, improve financial flexibility and restore earnings. Since the Plan's
adoption, Transco has made significant progress in its implementation, including
the sale of certain non-core and non-strategic businesses, reduction in capital
expenditures, resolution of certain material litigation and improvement in its
results of operations and financial flexibility.
 
     Transco remains committed to deleveraging its balance sheet, further
eliminating or mitigating the potentially adverse impact from resolution of
remaining litigation and contingencies and improving financial results.
 
FINANCING
 
     As a subsidiary of Transco, the Company engages in transactions with
Transco and other Transco subsidiaries characteristic of group operations. The
Company meets its working capital requirements by participation in the Transco
consolidated cash management program, pursuant to which the Company, for
investment purposes, both makes advances to and receives repayments of advances
from Transco, and by accessing capital markets to fund its long-term debt
maturities. As general corporate policy, the interest rate on intercompany
demand notes is 1 1/2% below the prime rate of Citibank, N.A.
 
     At December 31, 1993, the Company had outstanding current and non-current
advances to Transco of $66 million and $137 million, respectively. Those amounts
that the Company anticipates Transco will repay in the next twelve months are
classified as current assets, while the remainder are classified as non-current.
 
     The Company and Transco's other subsidiaries pay dividends, based on the
level of their earnings and net cash flows, to provide funds to Transco for debt
service and dividend payments.
 
     To meet the working capital requirements of Transco and its subsidiaries,
Transco has in place a $450 million working capital line with a group of fifteen
banks. The Company is guarantor of up to $180 million of this working capital
line. At December 31, 1993, Transco had no outstanding borrowings under this
facility.
 
     Transco also has in place a $50 million reimbursement facility, dated as of
December 31, 1993, between Transco and a group of five banks. This facility
provides Transco the opportunity to obtain standby letters of credit under
certain circumstances from the banks. The Company is guarantor of up to $20
million of the obligations that arise under this facility. At December 31, 1993,
Transco had no amounts outstanding under this facility.
 
     These credit facilities prohibit the Company from, among other things,
incurring or guaranteeing any additional indebtedness (except for indebtedness
incurred to refinance existing indebtedness), issuing preferred stock or
advancing cash to affiliates other than Transco. Further, these credit
facilities and Transco's indentures contain restrictive covenants which could
limit Transco's ability to make additional borrowings and, therefore, under
certain circumstances, its ability to repay advances or make capital
contributions to the Company.
 
                                      A-16
<PAGE>   35
 
CASH FLOWS AND CAPITALIZATION
 
     Net cash inflows from operating activities for the year ended December 31,
1993 were approximately $38 million lower than for the year ended December 31,
1992, primarily as a result of the payment of the RP90-104 rate refunds in the
amount of $36.3 million. Net cash inflows from operating activities for the year
ended December 31, 1992 were approximately $14 million higher than for the year
ended December 31, 1991, primarily as a result of an increase in payables due to
higher gas volumes being purchased at higher prices on the spot market in the
last quarter of 1992 than in the last quarter of 1991 and increased net income,
partially offset by higher net gas storage injections.
 
     Net cash outflows from financing activities for the year ended December 31,
1993 were comparable to the year ended December 31, 1992. Net cash outflows from
financing activities for the year ended December 31, 1992 were $15 million
higher than the year ended December 31, 1991, primarily as a result of increased
dividends paid to Transco and the net effect of the debt repayment and proceeds
from the Company's 1992 debt issue.
 
     Net cash outflows from investing activities for the year ended December 31,
1993 were $35 million lower than the year ended December 31, 1992, mainly due to
a decrease in cash advanced to Transco under Transco's cash management program,
partially offset by the prior year proceeds from the sale of the Company's
subsidiary. Net cash outflows from investing activities for the year ended
December 31, 1992 were $3 million lower than the year ended December 31, 1991,
mainly due to a decrease in capital additions, partially offset by an increase
in cash advanced to Transco under Transco's cash management program and a
decrease in recoveries of producer settlements. The decrease in capital
additions was primarily due to lower expenditures for market expansion projects
and maintenance of current facilities.
 
     The Company's 1993 capital expenditures of $33 million included $27 million
for maintenance of existing facilities and $6 million for market and supply
expansion projects.
 
     The Company's debt, less current maturities, as a percentage of total
capitalization for the years ended December 31, 1993 and 1992 was 14% and 29%,
respectively. The Company intends to issue long-term public debt in the second
quarter of 1994 to refinance the maturities of its 10% debentures, which will
restore the above ratio to 29%.
 
     In September 1993, the Company entered into a new program to sell monthly
trade receivables, which replaced the Company's previous program. The new trade
receivables program, which expires in September 1995, provides for the sale of
up to $40 million of trade receivables without recourse. As of December 31,
1993, $34 million in trade receivables were held by the investor.
 
GAS SUPPLY REALIGNMENT COST RECOVERIES
 
     On January 28, 1994, the Company submitted its first filing to recover
$11.5 million of GSR costs pursuant to the transition costs recovery provisions
of FERC Order 636 and the Company's approved FERC Gas Tariff. This amount
represents 90% of the total GSR costs paid through November 30, 1993, which are
expected to be recovered over a 12-month period by application of a demand
surcharge to its firm transportation rates. The remaining 10% is expected to be
recovered from interruptible transportation service. The Company plans to make
quarterly filings to allow recovery of its GSR costs as such costs are paid.
 
FUTURE CAPITAL EXPENDITURES
 
     The Company's budgeted capital expenditures for 1994 of $41 million include
$36 million for maintenance of current facilities, $3 million for market
expansion in connection with the West Tennessee pipeline expansion project, $1
million for market expansion in connection with the Liberty Pipeline expansion
project and $1 million for other market expansion projects.
 
     If the Liberty Pipeline and The Power Authority of the State of New York
projects are constructed, the Company expects to expand its pipeline facilities
at a cost currently estimated to be $80 million, the majority of which, subject
to FERC approval, will be spent in 1995 and 1996 (see "Business -- Pipeline
Projects").
 
                                      A-17
<PAGE>   36
 
OTHER FUTURE CAPITAL REQUIREMENTS AND CONTINGENCIES
 
  FERC Order 636 Transition Costs
 
     As discussed in Note C of Notes to Financial Statements contained in Item 8
hereof, the Company's analysis of FERC Order 636 indicates that the Company's
transition costs are not currently expected to exceed $90 million, primarily
related to GSR contract termination costs, GSR pricing differential costs
incurred pursuant to the auction process, as discussed below, and unrecovered
purchased gas costs. FERC Order 636 provides that pipelines should be allowed
the opportunity to recover all prudently incurred transition costs. Therefore,
the Company expects that any transition costs incurred should be recovered from
its customers, subject only to the costs and other risks associated with the
difference between the time such costs are incurred and the time when those
costs may be recovered from customers.
 
     Although no assurances can be given, the Company does not believe that
transition costs will have a material adverse effect on its financial position
or results of operations.
 
  Long-term Gas Purchase Contracts
 
     Gas purchased under the Company's remaining non-market responsive contracts
is being resold at a monthly auction pursuant to FERC Order 636. The Company
continues to pay to the supplier the actual contract price and is entitled to
file for full recovery of the difference between said contract price and the
amount received for sales at auction as GSR costs under FERC Order 636. As
discussed in Note C of Notes to Financial Statements contained in Item 8 hereof,
through December 31, 1993, the Company had paid or committed to pay a total of
$38 million for GSR costs, primarily as a result of contract terminations.
Pursuant to FERC Order 636, the Company is entitled to file to recover 100% of
these costs as GSR costs.
 
     The Company does not believe that financial risks associated with its
long-term gas purchase contracts are material to the Company's financial
position or results of operations.
 
  Rate Matters
 
     As discussed in Note C of Notes to Financial Statements contained in Item 8
hereof, the Company has a pending rate case that may require refunds, including
interest, during 1994. The Company has established a reserve for various
regulatory and rate issues which it believes is adequate to provide for the
refunds that will ultimately be required.
 
  FERC Order 94-A
 
     As discussed in Note C of Notes to Financial Statements contained in Item 8
hereof, the FERC has issued an order that would require the Company to make
refunds to certain customers of $13 million, recover $3 million through direct
billing of other customers, recover $5 million as part of the direct billing of
its unrecovered purchase gas costs and absorb the remaining $5 million. The
Company believes it is entitled to full recovery of these FERC-ordered costs.
The Company has filed for rehearing of this order and has received an extension
staying the effectiveness of this order until 30 days after the FERC rules on
rehearing. The Company believes that its reserve for regulatory and rate matters
is adequate to provide for any costs the Company may ultimately be required to
absorb.
 
  Environmental Matters
 
     The Company is subject to extensive federal, state and local environmental
laws and regulations which affect the Company's operations related to the
construction and operation of its pipeline facilities. See Note C of Notes to
Financial Statements contained in Item 8 hereof for further discussion.
 
  FERC Orders 500 and 528
 
     See Note C of Notes to Financial Statements contained in Item 8 hereof for
a description of the status of the Company's filings pursuant to FERC Order 528.
 
                                      A-18
<PAGE>   37
 
  Royalty Claims
 
     As discussed in Note D of Notes to Financial Statements contained in Item 8
hereof, the Company has been named as defendant in two lawsuits involving claims
by royalty owners for additional royalties. Although no assurances can be given,
the Company believes that the final resolution of its royalty claims and
litigation will not have a material adverse effect on its financial position or
results of operations.
 
CONCLUSION
 
     Although no assurances can be given, the Company currently believes that
the aggregate of cash flows from operating activities, supplemented by
refinancing of maturing debt and, if necessary, by repayments of funds advanced
to Transco, will provide the Company with sufficient liquidity to meet its
capital requirements.
 
                                      A-19
<PAGE>   38
 
ITEM 8. FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA
 
                    REPORT OF INDEPENDENT PUBLIC ACCOUNTANTS
 
To Texas Gas Transmission Corporation:
 
     We have audited the accompanying balance sheets of Texas Gas Transmission
Corporation (a Delaware corporation and an indirect wholly owned subsidiary of
Transco Energy Company) as of December 31, 1993 and 1992, and the related
statements of income, retained earnings and paid-in capital and cash flows for
each of the three years in the period ended December 31, 1993. These financial
statements and the schedules referred to below are the responsibility of the
Company's management. Our responsibility is to express an opinion on these
financial statements and schedules based on our audits.
 
     We conducted our audits in accordance with generally accepted auditing
standards. Those standards require that we plan and perform the audit to obtain
reasonable assurance about whether the financial statements are free of material
misstatement. An audit includes examining, on a test basis, evidence supporting
the amounts and disclosures in the financial statements. An audit also includes
assessing the accounting principles used and significant estimates made by
management, as well as evaluating the overall financial statement presentation.
We believe that our audits provide a reasonable basis for our opinion.
 
     In our opinion, the financial statements referred to above present fairly,
in all material respects, the financial position of Texas Gas Transmission
Corporation as of December 31, 1993 and 1992, and the results of its operations
and its cash flows for each of the three years in the period ended December 31,
1993, in conformity with generally accepted accounting principles.
 
     Our audit was made for the purpose of forming an opinion on the basic
financial statements taken as a whole. The financial statement schedules listed
in the index to Part IV, Item 14(a)2 are presented for purposes of complying
with the Securities and Exchange Commission's rules and are not part of the
basic financial statements. These financial statement schedules have been
subjected to the auditing procedures applied in the audits of the basic
financial statements and, in our opinion, fairly state in all material respects
the financial data required to be set forth therein in relation to the basic
financial statements taken as a whole.
 
ARTHUR ANDERSEN & CO.
 
Houston, Texas
February 18, 1994
 
                                      A-20
<PAGE>   39
 
               MANAGEMENT RESPONSIBILITY FOR FINANCIAL STATEMENTS
 
     The financial statements have been prepared by the management of Texas Gas
Transmission Corporation (the Company) in conformity with generally accepted
accounting principles. Management is responsible for the fairness and
reliability of the financial statements and other financial data included in
this report. In the preparation of the financial statements, it is necessary to
make informed estimates and judgments of the effects of certain events and
transactions based on currently available information.
 
     The Company maintains accounting and other controls that management
believes provide reasonable assurance that financial records are reliable,
assets are safeguarded and that transactions are properly recorded in accordance
with management's authorizations. However, limitations exist in any system of
internal control based upon the recognition that the cost of the system should
not exceed benefits derived.
 
     The Company's independent auditors, Arthur Andersen & Co., are engaged to
audit the financial statements and to express an opinion thereon. Their audit is
conducted in accordance with generally accepted auditing standards to enable
them to report that the financial statements present fairly, in all material
respects, the financial position, results of operations and cash flows of the
Company in conformity with generally accepted accounting principles.
 
     The Audit Committee of the Board of Directors of Transco Energy Company
(Transco), composed of three directors who are not employees of Transco, meets
regularly with the independent auditors and management. The independent auditors
have full and free access to the Audit Committee and meet with them, with and
without management being present, to discuss the results of their audits and the
quality of financial reporting.
 
                                      A-21
<PAGE>   40
 
                       TEXAS GAS TRANSMISSION CORPORATION
 
                                 BALANCE SHEETS
                             (THOUSANDS OF DOLLARS)
 
 
<TABLE>
<CAPTION>
                                                                              DECEMBER 31,    DECEMBER 31,
                                                                                  1993            1992
                                                                              ------------    ------------
<S>                                                                           <C>             <C>
                                     ASSETS


Current Assets:
  Cash and temporary cash investments.......................................   $      292      $      560
  Receivables:
    Trade...................................................................       16,441          12,997
    Affiliates..............................................................        4,761          10,605
    Other...................................................................        1,934             829
  Advances to affiliates....................................................       65,667          75,493
  Transportation and exchange gas receivable................................       25,112          48,587
  Costs recoverable from customers:
    Gas purchase............................................................        5,590              --
    Producer settlement.....................................................        1,067           2,397
    Gas supply realignment..................................................       19,231              --
  Inventories...............................................................       14,724          14,369
  Gas stored underground -- LIFO............................................           --          85,240
  Deferred income tax benefits..............................................       17,680          15,140
  Other.....................................................................        5,751           6,267
                                                                              ------------    ------------
         Total current assets...............................................      178,250         272,484
                                                                              ------------    ------------
Advances to Affiliates......................................................      137,000         145,165
                                                                              ------------    ------------
Investments, at Cost........................................................        2,635           3,731
                                                                              ------------    ------------
Property, Plant and Equipment, at Cost:
  Natural gas transmission plant............................................      706,668         679,802
  Other natural gas plant...................................................      128,376         126,221
                                                                              ------------    ------------
                                                                                  835,044         806,023
         Less -- Accumulated depreciation and amortization..................      173,201         131,642
                                                                              ------------    ------------
         Property, plant and equipment, net.................................      661,843         674,381
                                                                              ------------    ------------
Other Assets:
  Gas stored underground....................................................       92,103              --
  Other.....................................................................       60,515          44,203
                                                                              ------------    ------------
         Total other assets.................................................      152,618          44,203
                                                                              ------------    ------------
         Total Assets.......................................................   $1,132,346      $1,139,964
                                                                              ------------    ------------
                                                                              ------------    ------------
                     LIABILITIES AND STOCKHOLDER'S EQUITY

Current Liabilities:
  Current maturities of long-term debt......................................   $  150,000      $       --
  Payables:
    Trade...................................................................       13,821          40,303
    Affiliates..............................................................       13,274               4
    Other...................................................................       30,714          12,858
  Advances from affiliates..................................................        1,576           1,088
  Transportation and exchange gas payable...................................       17,109          36,536
  Accrued liabilities.......................................................       45,659          69,765
  Accrued gas supply realignment costs......................................       24,750              --
  Costs refundable to customers.............................................        4,643          12,959
  Reserve for regulatory and rate matters...................................       23,063          15,215
  Other.....................................................................          676           1,517
                                                                              ------------    ------------
         Total current liabilities..........................................      325,285         190,245
                                                                              ------------    ------------
Long-Term Debt..............................................................       98,678         248,305
                                                                              ------------    ------------
Other Liabilities and Deferred Credits:
  Income taxes refundable to customers......................................        7,243          13,698
  Deferred income taxes.....................................................       35,348          28,246
  Other.....................................................................       58,556          56,566
                                                                              ------------    ------------
         Total other liabilities and deferred credits.......................      101,147          98,510
                                                                              ------------    ------------
Stockholder's Equity:
  Common stock, $1.00 par value, 1,000 shares authorized, issued and
    outstanding.............................................................            1               1
  Premium on capital stock and other paid-in capital........................      584,712         584,712
  Retained earnings.........................................................       22,523          18,191
                                                                              ------------    ------------
         Total stockholder's equity.........................................      607,236         602,904
                                                                              ------------    ------------
         Total Liabilities and Stockholder's Equity.........................   $1,132,346      $1,139,964
                                                                              ------------    ------------
                                                                              ------------    ------------
</TABLE>
 
   The accompanying notes are an integral part of these financial statements.
 
                                      A-22
<PAGE>   41
 
                       TEXAS GAS TRANSMISSION CORPORATION
 
                              STATEMENTS OF INCOME
                             (THOUSANDS OF DOLLARS)
 
<TABLE>
<CAPTION>
                                                                  YEAR ENDED DECEMBER 31,
                                                             ----------------------------------
                                                               1993         1992         1991
                                                             --------     --------     --------
<S>                                                          <C>          <C>          <C>
Operating Revenues:
  Gas sales................................................  $247,946     $292,978     $332,780
  Gas transportation.......................................   215,210      167,133      131,063
  Other....................................................     2,303        3,754        4,266
                                                             --------     --------     --------
          Total operating revenues.........................   465,459      463,865      468,109
                                                             --------     --------     --------
Operating Costs and Expenses:
  Cost of gas sold.........................................   158,890      181,047      201,972
  Cost of transportation of gas by others..................    54,622       55,813       49,789
  Operation and maintenance................................    54,803       53,898       57,126
  Administrative and general...............................    62,702       46,267       58,907
  Depreciation and amortization............................    38,330       37,637       36,959
  Taxes other than income taxes............................    13,075       13,265       12,743
  Provision for severance costs............................        --           --        6,259
  Provision for producer settlements.......................        --           --       (3,473)
                                                             --------     --------     --------
          Total operating costs and expenses...............   382,422      387,927      420,282
                                                             --------     --------     --------
Operating Income...........................................    83,037       75,938       47,827
                                                             --------     --------     --------
Other (Income) Deductions:
  Interest expense.........................................    25,578       26,684       26,580
  Interest income..........................................   (10,616)     (12,107)     (14,237)
  Equity in earnings of unconsolidated affiliate...........        --         (563)      (1,985)
  Gain on sale of subsidiary...............................        --       (6,948)          --
  Miscellaneous other deductions...........................     2,463        1,491        1,126
                                                             --------     --------     --------
          Total other (income) deductions..................    17,425        8,557       11,484
                                                             --------     --------     --------
Income Before Income Taxes.................................    65,612       67,381       36,343
Provision for Income Taxes.................................    26,555       26,463       14,894
                                                             --------     --------     --------
Net Income.................................................  $ 39,057     $ 40,918     $ 21,449
                                                             --------     --------     --------
                                                             --------     --------     --------
</TABLE>
 
   The accompanying notes are an integral part of these financial statements.
 
                                      A-23
<PAGE>   42
 
                       TEXAS GAS TRANSMISSION CORPORATION
 
              STATEMENTS OF RETAINED EARNINGS AND PAID-IN CAPITAL
                             (THOUSANDS OF DOLLARS)
 
<TABLE>
<CAPTION>
                                                                          RETAINED     PAID-IN
                                                                          EARNINGS     CAPITAL
                                                                          ---------    --------
<S>                                                                       <C>          <C>
Balance, December 31, 1990..............................................  $  13,091    $584,712
  Add (deduct):
     Net income.........................................................     21,449          --
     Cash dividends on common stock.....................................    (22,404)         --
                                                                          ---------    --------
Balance, December 31, 1991..............................................     12,136     584,712
  Add (deduct):
     Net income.........................................................     40,918          --
     Cash dividends on common stock.....................................    (34,863)         --
                                                                          ---------    --------
Balance, December 31, 1992..............................................     18,191     584,712
  Add (deduct):
     Net income.........................................................     39,057          --
     Cash dividends on common stock.....................................    (34,725)         --
                                                                          ---------    --------
Balance, December 31, 1993..............................................  $  22,523    $584,712
                                                                          ---------    --------
                                                                          ---------    --------
</TABLE>
 
   The accompanying notes are an integral part of these financial statements.
 
                                      A-24
<PAGE>   43
 
                       TEXAS GAS TRANSMISSION CORPORATION
 
                            STATEMENTS OF CASH FLOWS
                             (THOUSANDS OF DOLLARS)
 
<TABLE>
<CAPTION>
                                                                   YEAR ENDED DECEMBER 31,
                                                              ---------------------------------
                                                                1993        1992         1991
                                                              --------    ---------    --------
<S>                                                           <C>         <C>          <C>
Cash Flows From Operating Activities:
  Net income................................................  $ 39,057    $  40,918    $ 21,449
  Adjustments to reconcile net income to net cash from
     operating activities:
     Depreciation and amortization..........................    39,783       39,150      38,543
     Deferred income taxes..................................     4,563       19,319      (4,650)
     Provision for severance costs..........................        --           --       6,259
     Provision for producer settlements.....................        --           --      (3,473)
     Nonrecoverable producer settlements....................    (1,914)          --          --
     Equity in undistributed earnings of unconsolidated
       affiliate............................................        --         (563)     (1,985)
     Distributions from unconsolidated affiliate............        --           --       3,600
     Gain on sale of subsidiary.............................        --       (6,948)         --
     Decrease (increase) in:
       Receivables..........................................     1,319       (8,120)     13,194
       Transportation and exchange gas receivable...........    23,475      (12,164)     (7,281)
       Inventories..........................................      (355)     (17,367)      3,614
       Deferred gas costs...................................    (9,161)     (15,854)    (11,574)
       Other current assets.................................   (12,986)      13,578      12,127
     Increase (decrease) in:
       Payables.............................................     4,644        7,987     (21,398)
       Transportation and exchange gas payable..............   (19,426)      16,515       1,130
       Accrued liabilities..................................   (24,036)     (13,165)     (2,581)
       Reserve for regulatory and rate matters..............    15,506        7,023      26,937
       Other current liabilities............................    (5,585)       7,124       1,201
     Other, net.............................................   (11,907)       3,843      (7,411)
                                                              --------    ---------    --------
          Net cash from operating activities................    42,977       81,276      67,701
                                                              --------    ---------    --------
Cash Flows From Financing Activities:
  Advances from affiliates, net.............................       150          101         (12)
  Dividends and returns of capital on common stock..........   (34,725)     (34,863)    (22,404)
  Long-term debt -- repayment...............................        --     (100,000)         --
                 -- borrowing, net........................          (1)      97,693          --
                                                              --------    ---------    --------
          Net cash from financing activities................   (34,576)     (37,069)    (22,416)
                                                              --------    ---------    --------
Cash Flows From Investing Activities:
  Property, plant and equipment, net of equity AFUDC........   (33,014)     (38,236)    (57,238)
  Recoverable producer settlements..........................    (5,743)          --          --
  Recovery of producer settlements..........................     3,831       16,115      32,621
  Advances to affiliates, net...............................    18,336      (32,025)    (21,962)
  Other, net................................................     7,921       10,230         (39)
                                                              --------    ---------    --------
          Net cash from investing activities................    (8,669)     (43,916)    (46,618)
Net Increase (Decrease) in Cash and Cash Equivalents........      (268)         291      (1,333)
                                                              --------    ---------    --------
Cash and Cash Equivalents at Beginning of Period............       560          269       1,602
                                                              --------    ---------    --------
          Cash and Cash Equivalents at end of Period........  $    292    $     560    $    269
                                                              --------    ---------    --------
                                                              --------    ---------    --------
Supplemental Disclosures of Cash Flow Information:
  Cash paid during the period for:
     Interest (net of amount capitalized)...................  $ 28,654    $  23,924    $ 25,965
     Income taxes, net......................................     6,433       16,149      23,723
</TABLE>
 
   The accompanying notes are an integral part of these financial statements.
 
                                      A-25
<PAGE>   44
 
                       TEXAS GAS TRANSMISSION CORPORATION
 
                         NOTES TO FINANCIAL STATEMENTS
 
A. CORPORATE STRUCTURE AND CONTROL AND BASIS OF PRESENTATION
 
  Corporate Structure and Control
 
     Texas Gas Transmission Corporation (the Company) is a wholly owned
subsidiary of Transco Gas Company (TGC), which is a wholly owned subsidiary of
Transco Energy Company (Transco). As used herein, the term Transco refers to
Transco Energy Company and its wholly owned subsidiary companies; the term TGMC
refers to Transco Gas Marketing Company, a wholly owned subsidiary of Transco,
and its wholly owned subsidiary companies; and the term TGPL refers to
Transcontinental Gas Pipe Line Corporation, a wholly owned subsidiary of TGC,
unless the context otherwise requires.
 
     The Company's sole subsidiary, Texam Offshore Gas Transmission, Inc.
(Texam), was sold on July 20, 1992 (see Note H). The financial information
presented for periods prior to the date of sale represents the Company's
consolidated financial position and results of operations.
 
  Basis of Presentation
 
     The acquisition of the Company was accounted for using the purchase method
of accounting. Accordingly, the acquisition debt and the purchase price were
"pushed down" and recorded in the Company's financial statements. Retained
earnings, deferred taxes and accumulated depreciation and amortization were
eliminated at the date of acquisition.
 
     Included in property, plant and equipment as of the date of Transco's
acquisition of the Company in 1989 is an aggregate of $226 million related to
amounts in excess of the original cost of the regulated facilities. This amount
is amortized over the estimated life of the assets acquired at approximately $9
million per year. Current Federal Energy Regulatory Commission (FERC) policy
does not permit the Company to recover through its rates amounts in excess of
original cost.
 
  Related Parties
 
     As a subsidiary of Transco, the Company engages in transactions with
Transco and other Transco subsidiaries characteristic of group operations. For
consolidated cash management purposes, the Company makes interest-bearing
advances to Transco. These advances are represented by demand notes payable to
the Company. Those amounts that the Company anticipates Transco will repay in
the next twelve months are classified as current assets, while the remainder are
classified as noncurrent. As general corporate policy, the interest rate on
intercompany demand notes is 1 1/2% below the prime rate of Citibank, N.A. Net
interest income on advances to or from associated companies was $9.4 million,
$9.6 million and $11.5 million for the years ended December 31, 1993, December
31, 1992 and December 31, 1991, respectively. See Note F for a discussion of
Transco's credit facilities and indentures as they relate to the Company.
 
     Transco has a policy of charging subsidiary companies for management
services provided by the parent company and other affiliated companies. During
the years ended December 31, 1993, December 31, 1992 and December 31, 1991, the
Company was charged $6.7 million, $4.2 million and $4.4 million, respectively,
for Transco management services. Management considers the cost of these services
reasonable.
 
     Effective November 1, 1993, the Company contracted with TGMC to become the
Company's agent for the purpose of administering all existing and future gas
sales and market-responsive purchase obligations, except for its auction gas
transactions. Sales and purchases under this agreement do not impact the
Company's results of operations. For the two months ended December 31, 1993, the
Company paid TGMC agency fees of $0.7 million for these services.
 
     Included in the Company's gas sales revenues for the year ended December
31, 1993 is $4.2 million applicable to gas sales to the Company's affiliate,
TGMC. There were no intercompany gas sales for the years ended December 31, 1992
and December 31, 1991.
 
                                      A-26
<PAGE>   45
 
     Included in the Company's gas transportation revenues for the years 1993,
1992 and 1991 are amounts applicable to transportation for affiliates as follows
(expressed in thousands):
 
<TABLE>
<CAPTION>
                                                            YEAR ENDED DECEMBER 31,
                                                         ------------------------------
                                                          1993        1992        1991
                                                         -------     -------     ------
        <S>                                              <C>         <C>         <C>
        TGMC...........................................  $ 2,609     $ 3,635     $4,436
        TGPL...........................................   33,913      20,380      1,614
                                                         -------     -------     ------
                                                         $36,522     $24,015     $6,050
                                                         -------     -------     ------
                                                         -------     -------     ------
</TABLE>
 
     Included in the Company's cost of gas sold for the years ended December 31,
1993 and December 31, 1992, is $11.1 million and $4.2 million, respectively,
applicable to gas purchases from the Company's affiliate, TGMC. There were no
intercompany gas purchases for the year ended December 31, 1991.
 
B. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
 
  Revenue Recognition
 
     The Company recognizes revenues for the sale and transportation of natural
gas in the period of sale and in the period service is provided, respectively.
Pursuant to FERC regulations, a portion of the revenues being collected may be
subject to possible refunds upon final orders in pending rate cases. The Company
has established reserves, where required, for such cases (see Note C for a
summary of pending rate cases before the FERC).
 
  Costs Recoverable from/Refundable to Customers
 
     The Company has various mechanisms whereby rates or surcharges are
established and revenues are collected and recognized based on estimated costs.
Costs incurred over or under approved levels are deferred and recovered or
refunded through future rate or surcharge adjustments (see Note C for a
discussion of the Company's rate matters).
 
  Depreciation and Amortization
 
     The Company's depreciation rates are principally mandated by the FERC.
Depreciation rates used for regulated gas plant facilities at year end 1993,
1992 and 1991 are as follows:
 
<TABLE>
<CAPTION>
                                                                DEPRECIATION RATES
                                                  -----------------------------------------------
                                                      1993              1992             1991
                                                  -------------     ------------     ------------
<S>                                               <C>               <C>              <C>
Transmission -- Onshore.........................      2.00%            2.00%            2.00%
Transmission -- Offshore........................      6.00%            6.00%            6.00%
Storage Plant...................................      2.30%            2.30%            2.30%
Other...........................................  0.75% - 15.0%     0.75 - 15.0%     0.75 - 15.0%
</TABLE>
 
  Tax Policy
 
     Transco and its wholly owned subsidiaries file a consolidated federal
income tax return. It is Transco's policy to charge or credit each subsidiary
with an amount equivalent to its federal income tax expense or benefit computed
as if each subsidiary had a separate return, but including benefits from each
subsidiary's losses and tax credits that may be utilized only on a consolidated
basis.
 
  Accounting for Income Taxes
 
     The Company uses the liability method of accounting for deferred taxes
which requires, among other things, adjustments to the existing deferred tax
balances for changes in tax rates, whereby such balances will more closely
approximate the actual taxes to be paid.
 
                                      A-27
<PAGE>   46
 
     Liabilities to customers of $7.9 million and $15.2 million at December 31,
1993 and December 31, 1992, respectively, resulting from net tax rate reductions
related to regulated operations and to be refunded to customers over the average
remaining life of natural gas transmission plant, have been shown in the
accompanying balance sheets as income taxes refundable to customers, the current
portion of which is included in other current liabilities.
 
     In the first quarter of 1993, the Company adopted Statement of Financial
Accounting Standards (SFAS) 109, "Accounting for Income Taxes," which superseded
SFAS 96, "Accounting for Income Taxes." Due to the Company's prior adoption of
SFAS 96 in 1987, the adoption of SFAS 109 did not have a material effect on its
financial position or results of operations.
 
  Capitalized Interest
 
     The allowance for funds used during construction represents the cost of
funds applicable to regulated natural gas transmission plant under construction
as permitted by FERC regulatory practices. The allowance for borrowed funds used
during construction and capitalized interest for the years ended December 31,
1993, December 31, 1992 and December 31, 1991, was $0.2 million, $0.6 million
and $0.7 million, respectively. The allowance for equity funds for the years
ended December 31, 1993, December 31, 1992 and December 31, 1991, was $0.5
million, $1.2 million and $1.3 million, respectively.
 
  Gas in Storage
 
     As part of its implementation of FERC Order 636, the Company has been
allowed to retain its storage gas, in part to meet operational balancing needs
on its system, and in part to meet the requirements of the Company's "no-notice"
transportation service, which allows customers to temporarily draw from the
Company's storage gas to be repaid in-kind during the following summer season.
As a result, the Company's gas stored underground has been reclassified from
current assets to other noncurrent assets.
 
  Gas Imbalances
 
     In the course of providing transportation services to customers, the
Company may receive different quantities of gas from shippers than the
quantities delivered on behalf of those shippers. These transactions result in
imbalances which are repaid or recovered in cash or through the receipt or
delivery of gas in the future. Customer imbalances to be repaid or recovered
in-kind are recorded as transportation and exchange gas receivable or payable on
the accompanying balance sheet. Settlement of imbalances requires agreement
between the pipelines and shippers as to allocations of volumes to specific
transportation contracts and timing of delivery of gas based on operational
conditions.
 
     The Company's tariff includes a provision whereby imbalances generated
after November 1, 1993 are settled on a monthly basis. The Company anticipates
filing for a mechanism whereby imbalances pre-dating November 1, 1993 will be
recovered or repaid in cash or through the future receipt or delivery of gas
upon agreements for allocation and as permitted by operating conditions.
 
  Cash Flows from Operating Activities
 
     The Company uses the indirect method to report cash flows from operating
activities, which requires adjustments to net income to reconcile to net cash
flows from operating activities. The Company includes short-term highly-liquid
investments that have a maturity of three months or less in cash equivalents.
 
  Postemployment Benefits
 
     The Financial Accounting Standards Board has issued SFAS 112, "Employers'
Accounting for Post employment Benefits," which requires the Company, effective
January 1994, to accrue the estimated cost of providing postemployment benefits
to former or inactive employees after employment but before retirement if the
obligation is attributable to employees' services previously rendered,
employees' rights to
 
                                      A-28
<PAGE>   47
 
those benefits accumulate or vest, payment of the benefits is probable and the
amount of the benefits can be reasonably estimated. The Company does not expect
adoption of SFAS 112 to have a material effect on its financial position or
results of operations.
 
  Reclassifications
 
     Certain reclassifications have been made in the 1992 and 1991 financial
statements to conform to the 1993 presentation.
 
C. REGULATORY AND RATE MATTERS
 
  FERC Order 636
 
     In 1992, the FERC issued Order 636 which brought about fundamental changes
in the way natural gas pipelines conduct their businesses. The FERC's stated
purpose of Order 636 was to improve the competitive structure of the natural gas
pipeline industry by, among other things, unbundling a pipeline's merchant role
from its transportation services; ensuring "equality" of transportation
services; ensuring that shippers and customers have equal access to all sources
of gas; providing "no-notice" firm transportation service that is equal in
quality to bundled sales service; and changing rate design methodology from
Modified Fixed Variable (MFV) to Straight Fixed Variable (SFV), unless the
pipeline company and its customers agree to a different form.
 
     FERC Order 636 also set forth methods for recovery by pipelines of costs
associated with compliance under FERC Order 636 (transition costs), including
unrecovered gas costs, GSR costs, the cost of stranded pipeline investment and
costs of new facilities required.
 
     The Company has restructured its business to implement the provisions of
FERC Order 636. On October 1, 1993, the FERC issued its "Order on Compliance
Filing and Granting, In Part, and Denying, In Part, Rehearing and
Clarification," which essentially approved the major aspects of the Company's
FERC Order 636 compliance plan. The Company filed revised tariff sheets and
other changes pursuant to the October 1, 1993 order on October 18, 1993, which
permitted implementation of FERC Order 636 restructured services on November 1,
1993. On December 16, 1993, the FERC issued another order which required minor
tariff modifications. The Company submitted a filing in compliance with this
order on January 7, 1994. This filing was accepted by an order issued on
February 10, 1994. The Company's analysis of FERC Order 636 indicates that the
Company's transition costs are not currently expected to exceed $90 million,
primarily related to GSR contract termination costs, GSR pricing differential
costs incurred pursuant to the auction process and unrecovered purchased gas
costs. As of December 31, 1993, the Company had paid or committed to pay $38
million of GSR costs, as discussed below in "Long-term Gas Purchase Contracts."
FERC Order 636 provides that pipelines should be allowed the opportunity to
recover all prudently incurred transition costs. Therefore, the Company expects
that any transition costs incurred should be recovered from its customers,
subject only to the costs and other risks associated with the difference between
the time such costs are incurred and the time when those costs may be recovered
from customers.
 
     As part of its implementation of FERC Order 636, the Company has been
allowed to retain its storage gas, in part to meet operational balancing needs
on its system, and in part to meet the requirements of the Company's "no-notice"
transportation service, which allows customers to temporarily draw from the
Company's storage gas to be repaid in-kind during the following summer season.
 
     Although no assurances can be given, the Company does not believe the
implementation of FERC Order 636 will have a material adverse effect on its
financial position or results of operations.
 
  General Rate Issues
 
     In April 1990, the Company filed a general rate case (Docket No. RP90-104),
which became effective in November 1990, subject to refund. A settlement
agreement was filed on July 22, 1991, and approved by the FERC's "Order Granting
Reconsideration," on October 21, 1992. The refunds, including interest, of $36.3
million were distributed to customers on January 19, 1993.
 
                                      A-29
<PAGE>   48
 
     On April 29, 1993, the Company filed a general rate case (Docket No.
RP93-106) which, pursuant to the FERC's Suspension Order issued May 28, 1993,
became effective on November 1, 1993, subject to refund. The new rate case was
filed to satisfy the three-year filing requirement of the FERC's regulations, to
recover increased operating costs, to provide a return on increased capital
investment in pipeline facilities, to implement the SFV rate design methodology
and to facilitate resolution of various rate-related issues in the Company's
FERC Order 636 restructuring proceeding. The Company is currently engaged in
settlement proceedings regarding this case. The Company has established a
reserve, which it believes to be adequate, to reflect the difference between the
rates currently being collected and the rates expected to ultimately be
effective upon settlement of the rate case.
 
     During 1993, the Company made several filings under the provisions of its
approved tariff and FERC Orders 483 and 483-A to reflect changes in its
purchased gas costs. The Company also made a filing to reflect changes in costs
of transportation by others, pursuant to the Transport Cost Adjustment (TCA)
tracker provisions of the approved tariff. Pursuant to that tariff, on December
30, 1993, the Company refunded $14.9 million of overcollected transportation
costs. The Annual PGA filing for gas costs incurred through August 1991 (Docket
No. TA92-2-18) was accepted by FERC Letter Orders dated January 31, 1992 and May
22, 1992, with no purchasing practice issues being raised. The Annual PGA filing
for gas costs incurred through August 1992 (Docket No. TA93-1-18) was accepted
by FERC Letter Order dated January 29, 1993, with no purchasing practice issues
being raised.
 
     On November 1, 1993, the Company implemented the provisions of FERC Order
636 (see discussion on FERC Order 636). Pursuant to FERC Order 636, the Company
terminated its PGA clause on that date. On January 31, 1994, the Company filed a
limited Section 4(e) filing, pursuant to its FERC-approved FERC Gas Tariff, to
direct bill the balance of its unrecovered purchase gas costs at October 31,
1993 to its former sales customers. This filing is necessary to recover $3.0
million of deferred gas costs applicable to the period September 1992 through
October 1993. The Company has no outstanding deferred gas cost issues pending in
any other proceeding.
 
  FERC Orders 500 and 528
 
     Pursuant to FERC Order 500, certain other pipelines, from which the Company
made gas purchases (upstream pipelines), had received approval from the FERC to
bill customers for their producer settlement costs. The Company had, in turn,
received FERC approval to flow these costs through to its customers under the
FERC Order 500 purchase deficiency-based direct bill methodology. Following the
issuance of FERC Order 528, which replaced the purchase deficiency-based
recovery methodology, the Company, in 1991, made a series of filings which
reallocated these costs among customers. Pursuant to these filings, the Company
proposed to ultimately flow through to its customers approximately $64.3 million
of costs billed from upstream pipelines. The FERC has issued orders accepting
these filings subject to the ultimate outcome of the underlying filings of the
upstream pipelines and future settlement by the Company. Although the total
billings to the Company are unresolved and the Company may be required to refund
certain amounts previously collected, the Company believes that it will be
entitled to ultimately collect all amounts that are billed by the upstream
pipelines.
 
     On September 2, 1993, the Company filed to recover 75% of $3.4 million of
its producer settlement costs under FERC Order 528 which have resulted from
reimbursements to producers for certain royalty payments. A FERC order,
accepting the filing subject to refund and certain conditions, was issued on
October 1, 1993, allowing for recovery of $0.9 million through direct bill and
$1.7 million through a volumetric surcharge, both to be collected over a
12-month period which began October 3, 1993.
 
  FERC Order 94-A
 
     In 1983, the FERC issued FERC Order 94-A, which permitted producers to
collect certain production-related gas costs from pipelines on a retroactive
basis. The FERC subsequently issued orders allowing pipelines, including the
Company, to direct bill their customers for such production-related costs
through fixed monthly charges based on a customer's historical purchases. In
February 1990, the D. C. Circuit Court
 
                                      A-30
<PAGE>   49
 
overturned the FERC's authorization for pipelines to bill production-related
costs to customers based on gas purchased in prior periods and remanded the
matter to the FERC to determine an appropriate recovery mechanism.
 
     On April 28, 1992, the Company filed a settlement with the FERC providing
for a reallocation of the FERC Order 94-A payments previously collected from
customers. The settlement provided for net refunds of $8.1 million to certain
customers and direct bill recovery of $2.7 million from other customers. The
remaining $5.4 million would be recovered through the PGA mechanism. On February
11, 1993, the FERC issued an order approving the settlement. Certain parties
filed for rehearing of the settlement. On January 12, 1994, the FERC issued its
"Order Granting Rehearing" which found that the FERC had committed a legal error
in allowing the previously mentioned direct bill of FERC Order 94-A costs. The
effect of this order as issued would be to require the Company to make refunds
to certain customers of $13.5 million, recover $2.7 million through direct
billing of other customers, recover $5.4 million as part of the direct billing
of its unrecovered purchase gas costs and absorb the remaining $5.4 million. The
Company believes it is entitled to full recovery of these FERC-ordered
costs. The Company has filed for rehearing of this order and has received an
extension staying the effectiveness of this order until 30 days after the FERC
rules on rehearing. The Company believes that its reserve for regulatory and
rate matters is adequate to provide for any costs which the Company may
ultimately be required to absorb.
 
  Reserve for Regulatory and Rate Matters
 
     The Company has established reserves for its outstanding regulatory and
rate matters which it believes are adequate to provide for any costs incurred or
refunds to be made in regard to the resolution of its regulatory and rate
issues, including general rate matters and the royalty claims discussed in Note
D. Although no assurances can be given, the Company believes that the resolution
of these matters will not have a material adverse effect on its financial
position or results of operations.
 
  Long-term Gas Purchase Contracts
 
     During 1993, as part of the Company's restructuring under FERC Order 636,
the Company engaged in negotiations which have resulted in the successful
termination of approximately 90% of the Company's deliverability under its
non-market responsive gas purchase contracts. Gas purchased under its remaining
non-market responsive contracts is being resold at a monthly auction pursuant to
FERC Order 636. The Company continues to pay to the supplier the actual contract
price and is entitled to file for full recovery of the difference between said
contract price and the amount received for sales at auction as GSR costs under
FERC Order 636.
 
     Through December 31, 1993, the Company had paid or committed to pay a total
of $38.2 million for GSR costs, primarily as a result of the contract
terminations. As of December 31, 1993, the Company had paid $13.4 million of
such costs; the remaining $24.8 million is recorded as a current liability in
the accompanying balance sheet. Pursuant to FERC Order 636, the Company may file
to recover 100% of these costs as GSR costs.
 
     On January 28, 1994, the Company submitted its first filing to recover
$11.5 million of GSR costs pursuant to the transition costs recovery provisions
of FERC Order 636 and the Company's approved FERC Gas Tariff.
 
     This amount represents 90% of the total GSR costs paid through November 30,
1993, which are expected to be recovered over a 12-month period by application
of a surcharge to its firm transportation demand rates. The remaining 10% is
expected to be recovered from interruptible transportation service. The Company
plans to make quarterly filings to allow recovery of its GSR costs as such costs
are paid.
 
     The Company's market-responsive gas purchase contracts are being separately
managed by its marketing affiliate, TGMC.
 
                                      A-31
<PAGE>   50
 
  Environmental Matters
 
     The Company is subject to extensive federal, state and local environmental
laws and regulations which affect the Company's operations related to the
construction and operation of its pipeline facilities. Appropriate governmental
authorities may enforce these laws and regulations with a variety of civil and
criminal enforcement measures, including monetary penalties, assessment and
remediation requirements and injunctions as to future compliance. The Company's
use and disposal of hazardous materials are subject to the requirements of the
federal Toxic Substances Control Act (TSCA), the federal Resource Conservation
and Recovery Act (RCRA) and comparable state statutes. The Comprehensive
Environmental Response, Compensation and Liability Act (CERCLA), also known as
"Superfund," imposes liability, without regard to fault or the legality of the
original act, for release of a "hazardous substance" into the environment.
Because these laws and regulations change from time to time, practices which
have been acceptable to the industry and to the regulators have to be changed
and assessment and monitoring have to be undertaken to determine whether those
practices have damaged the environment and whether remediation is
required. Since 1989, the Company has had studies underway to test its
facilities for the presence of toxic and hazardous substances to determine to
what extent, if any, remediation may be necessary. On the basis of the findings
to date, the Company estimates that environmental assessment and remediation
costs that will be incurred over the next five years under TSCA, RCRA, CERCLA
and comparable state statutes will total approximately $7 million to $11
million. As of December 31, 1993, the Company had a reserve of approximately $7
million for these estimated costs. This estimate depends upon a number of
assumptions concerning the scope of remediation that will be required at certain
locations and the cost of remedial measures to be undertaken. The Company is
continuing to conduct environmental assessments and is implementing a variety of
remedial measures that may result in increases or decreases in the total
estimated costs.
 
     The Company is currently recovering in its rates amounts approximately
equal to its annual expenditures for these environmental matters. The Company
considers these expenditures prudent operating and maintenance expenses incurred
in the ordinary course of business and anticipates that these costs will
continue to be recoverable through its rates.
 
     The Company has used lubricating oils containing polychlorinated biphenyls
(PCBs) and, although the use of such oils was discontinued in the 1970's, has
discovered residual PCB contamination in equipment and soils at certain gas
compressor station sites. The Company continues to work closely with the
Environmental Protection Agency (EPA) and state regulatory authorities regarding
PCB issues and has programs to assess and remediate such conditions where they
exist, the costs of which are a significant portion of the $7 million to $11
million range discussed above. Proposed civil penalties have been assessed by
the EPA against another major natural gas pipeline company for the alleged
improper use and disposal of PCBs. Although similar penalties have not been
asserted against the Company to date, no assurance can be given that the EPA may
not seek such penalties in the future.
 
     The Company has either been named as a potentially responsible party (PRP)
or received an information request regarding its potential involvement at four
federal "Superfund" waste disposal sites and one state waste disposal
site. Based on present volumetric estimates, the Company believes its estimated
aggregate exposure for remediation of these sites is approximately $500,000.
Liability under CERCLA (and applicable state law) can be joint and several with
other PRPs. Although volumetric allocation is a factor in assessing liability,
it is not necessarily determinative; thus the ultimate liability could be
substantially greater than the amount estimated above. The anticipated
remediation costs associated with these sites have been included in the $7
million to $11 million range discussed above. Although no assurances can be
given, the Company does not believe that its PRP status will have a material
adverse effect on its operations.
 
     The Company is also subject to the Federal Clean Air Act and to the Federal
Clean Air Act Amendments of 1990 (1990 Amendments), which added significantly to
the existing requirements established by the Federal Clean Air Act. The 1990
Amendments required that the EPA issue new regulations, mainly related to mobile
sources, air toxics, ozone non-attainment areas and acid rain. In addition,
pursuant to the 1990 Amendments, the EPA has issued regulations under which
states must implement new air pollution controls to achieve attainment of
national ambient air quality standards in areas where they are not currently
 
                                      A-32
<PAGE>   51
 
achieved. The Company has compressor stations in ozone non-attainment areas that
could require additional air pollution reduction expenditures, depending on the
requirements imposed. Additions to facilities for compliance with currently
known Federal Clean Air Act standards and the 1990 Amendments are expected to
cost in the range of $2 million to $3 million over the next five years and will
be recorded as assets as the facilities are added.
 
D. ROYALTY CLAIMS AND LEGAL PROCEEDINGS
 
     In connection with the Company's renegotiations of supply contracts with
producers to resolve take-or-pay and other contract claims, the Company has
entered into certain settlements which may require the indemnification by the
Company of certain claims for royalties which a producer may be required to pay
as a result of such settlements. On October 15, 1992, the United States Court of
Appeals for the Fifth Circuit and the Louisiana Supreme Court, with respect to
the same litigation in applying Louisiana law, determined that royalties are due
on take-or-pay payments under the royalty clauses of the specific mineral leases
reviewed by the Courts. Furthermore, the State Mineral Board of Louisiana has
passed a resolution directing the State's lessees to pay to the State royalties
on gas contract settlement payments. As a result of these and related
developments, the Company has been made aware of demands on producers for
additional royalties and may receive other demands which could result in claims
against the Company pursuant to the indemnification provisions in its
settlements. Indemnification for royalties will depend on, among other things,
the specific lease provisions between the producer and the lessor and the terms
of the settlement between the producer and the Company. The Company may file to
recover 75% of any such amounts it may be required to pay pursuant to
indemnifications for royalties.
 
     As discussed in Note C (see discussion on FERC Orders 500 and 528), on
September 2, 1993, the Company made a filing pursuant to FERC Order 528 to
recover 75% of approximately $3.4 million in additional take-or-pay settlement
payments made by the Company as a result of certain obligations to indemnify a
producer against additional royalty obligations arising out of the producer's
prior take-or-pay settlement with the Company. Some additional indemnity
payments may also be required with respect to such royalties.
 
     In addition, two lawsuits have been filed against the Company in Louisiana,
seeking reimbursement of certain royalties allegedly incurred by the producers
on amounts previously paid the producers by the Company to settle past
take-or-pay disputes and to reform the gas purchase contract pursuant to an
"excess royalty" clause in a gas purchase contract. The amount in dispute is
estimated to be less than $10 million. The Company disputes the application of
the "excess royalty" clause to the particular royalties in question; however, to
the extent any obligation to reimburse the producers exists, it is subject to
the Company's ability to include such payments in its rates or cost of service.
 
     Although no assurances can be given, the Company believes it has provided
reserves which are adequate for the final resolution of its royalty claims and
litigation and that the final resolution of these matters will not have a
material adverse effect on its financial position or results of operations.
 
                                      A-33
<PAGE>   52
 
E. INCOME TAXES
 
     Following is a summary of the provision for income taxes for 1993, 1992 and
1991 (expressed in thousands):
 
<TABLE>
<CAPTION>
                                                                      YEAR ENDED DECEMBER 31,
                                                                    ---------------------------
                                                                     1993      1992      1991
                                                                    -------   -------   -------
<S>                                                                 <C>       <C>       <C>
Current:
  Federal.........................................................  $18,330   $ 5,106   $15,528
  State...........................................................    3,662     2,038     4,016
                                                                    -------   -------   -------
                                                                     21,992     7,144    19,544
                                                                    -------   -------   -------
Deferred:
  Federal.........................................................    3,753    16,359    (3,946)
  State...........................................................      810     2,960      (704)
                                                                    -------   -------   -------
                                                                      4,563    19,319    (4,650)
                                                                    -------   -------   -------
          Provision for income taxes..............................  $26,555   $26,463   $14,894
                                                                    -------   -------   -------
                                                                    -------   -------   -------
</TABLE>
 
     On August 10, 1993, the Omnibus Budget Reconciliation Act of 1993 was
signed into law. Among its provisions was an overall increase in corporate
federal income tax rates from 34% to 35%, effective January 1, 1993. The Company
recorded in the third quarter of 1993 an adjustment to its existing deferred tax
balances and current tax accruals subsequent to January 1, 1993 to reflect the
effects of the increase in corporate federal income tax rates. The adjustment,
which included a reduction to income taxes refundable to customers, did not have
a material adverse effect on the Company's financial position or results of
operations.
 
     There are no material differences between the Company's effective tax rate
and the statutory federal income tax rate for all periods presented.
 
     Deferred income taxes result from temporary differences between the tax
basis of an asset or liability and its reported amount in the financial
statements that will result in taxable or deductible amounts in future years, or
temporary differences resulting from events that have been recognized in the
financial statements that will result in taxable or deductible amounts in future
years. The tax effect of each type of temporary difference and carryforward
reflected in deferred income tax benefits and liabilities as of December 31,
1993 and 1992 are as follows (expressed in thousands):
 
<TABLE>
<CAPTION>
                                                                         1993       1992
                                                                       --------   --------
                                                                         DEBIT/(CREDIT)
    <S>                                                                <C>        <C>
    Deferred Income Tax Benefits, Net:
      Current:
         Unrecovered purchased gas costs.............................  $ (2,180)  $ (2,027)
         Gas supply realignment costs................................    (2,534)        --
         Employee benefits...........................................     4,071      2,114
         Additional inventory tax basis..............................     3,205      2,564
         Transportation cost adjustments.............................     1,811      7,324
         Reserve for regulatory and rate matters.....................     8,296      2,012
         Other.......................................................     5,011      3,153
                                                                       --------   --------
              Total Current..........................................    17,680     15,140
                                                                       --------   --------
    Deferred Income Tax Liabilities, Net:
      Noncurrent:
         Tax depreciation in excess of books.........................   (33,867)   (27,136)
         Reserve for regulatory and rate matters.....................     6,559      5,430
         Book and tax basis differences..............................    (2,952)    (2,162)
         Allowance for funds used during construction................    (2,344)    (2,096)
         Gas supply realignment costs................................    (2,738)        --
         Other.......................................................        (6)    (2,282)
                                                                       --------   --------
              Total Noncurrent.......................................   (35,348)   (28,246)
                                                                       --------   --------
              Total deferred income taxes............................  $(17,668)  $(13,106)
                                                                       --------   --------
                                                                       --------   --------
</TABLE>
 
                                      A-34
<PAGE>   53
 
F. FINANCING
 
  Long-term debt
 
     At December 31, 1993 and 1992, long-term debt issues were outstanding as
follows (expressed in thousands):
 
<TABLE>
<CAPTION>
                                                                         1993       1992
                                                                       --------   --------
    <S>                                                                <C>        <C>
    Debentures:
      10% due 1994...................................................  $150,000   $150,000
    Notes:
      9 5/8% due 1997................................................   100,000    100,000
                                                                       --------   --------
                                                                        250,000    250,000
    Less: Unamortized debt discount..................................     1,322      1,695
                                                                       --------   --------
    Total long-term debt issues......................................   248,678    248,305
    Less: Amounts due within one year................................   150,000         --
                                                                       --------   --------
      Total long-term debt, less current maturities..................  $ 98,678   $248,305
                                                                       --------   --------
                                                                       --------   --------
</TABLE>
 
     On July 8, 1992, the Company sold $100 million of 9 5/8% Notes due July 15,
1997. Proceeds from the sale of the Notes were used to retire the Company's
9.25% Debentures that matured July 15, 1992.
 
     The Company's debentures and notes have restrictive covenants which provide
that neither the Company nor any subsidiary may create, assume or suffer to
exist any lien upon any principal property, as defined, to secure any
indebtedness unless the debentures and notes shall be equally and ratably
secured.
 
     Transco has in place a $450 million working capital line with a group of
fifteen banks. The Company is guarantor of up to $180 million of this working
capital line. At December 31, 1993, Transco had no outstanding borrowings under
this facility.
 
     Transco also has in place a $50 million reimbursement facility dated as of
December 31, 1993 between Transco and a group of five banks. This facility
provides Transco the opportunity to obtain standby letters of credit under
certain circumstances from the banks. The Company is guarantor of up to $20
million of the obligations that arise under this facility. At December 31, 1993,
Transco had no amounts outstanding under this facility.
 
     These credit facilities prohibit the Company from, among other things,
incurring or guaranteeing any additional indebtedness (except for indebtedness
incurred to refinance existing indebtedness), issuing preferred stock or
advancing cash to affiliates other than Transco. Further, these credit
facilities and Transco's indentures contain restrictive covenants which could
limit Transco's ability to make additional borrowings and, therefore, under
certain circumstances, its ability to repay advances or make capital
contributions to the Company.
 
  Sale of Receivables
 
     In September 1993, the Company entered into a new program to sell monthly
trade receivables, which replaced the Company's previous program. The new trade
receivables program, which expires in September 1995, provides for the sale of
up to $40 million of trade receivables without recourse. As of December 31, 1993
and December 31, 1992, $33.6 million and $43.3 million, respectively, of trade
receivables were held by the investor.
 
  Significant Group Concentrations of Credit Risk
 
     As of December 31, 1993, the Company had trade receivables of $16.4
million. These trade receivables are primarily due from local distribution
companies and other pipeline companies predominantly located in the Midwestern
United States. The Company's credit risk exposure in the event of nonperformance
by the other parties is limited to the face value of the receivables. No
collateral is required on these receivables.
 
                                      A-35
<PAGE>   54
 
G. EMPLOYEE BENEFIT PLANS
 
  Retirement Plan
 
     Substantially all of the Company's employees are covered under a retirement
plan (Retirement Plan) offered by the Company. The benefits under the Retirement
Plan are determined by a formula based upon years of service and the employee's
highest average base compensation during any five consecutive years within the
last ten years of employment. The Retirement Plan provides for vesting of
employees' benefits after five years of credited service. The Company's general
funding policy is to contribute amounts deductible for federal income tax
purposes. Due to its overfunded status, the Company has not been required to
fund the Retirement Plan since 1986. The Retirement Plan's assets, which are
managed by external investment organizations, include cash and cash equivalents,
corporate and government debt instruments, preferred and common stocks,
commingled funds, international equity funds and venture capital limited
partnership interests.
 
     The Retirement Plan was amended effective November 15, 1991, to provide a
Voluntary Window Retirement Program with special retirement benefits for those
eligible members who elected to retire during the Window Period. The net cost of
the program to the Retirement Plan was approximately $5.1 million.
 
     The following table sets forth the funded status of the Retirement Plan at
September 30, 1993 and September 30, 1992, and the amount of prepaid pension
costs as of December 31, 1993 and 1992 (expressed in thousands):
 
<TABLE>
<CAPTION>
                                                                         1993       1992
                                                                       --------   --------
    <S>                                                                <C>        <C>
    Actuarial present value of accumulated benefit obligation,
      including vested benefits of $46,750 at October 1, 1993 and
      $35,748 at October 1, 1992.....................................  $(47,542)  $(36,319)
                                                                       --------   --------
                                                                       --------   --------
    Actuarial present value of projected benefit obligation..........  $(83,557)  $(63,269)
    Plan assets at fair value........................................   101,089     88,517
                                                                       --------   --------
    Projected benefit obligation less plan assets....................    17,532     25,248
    Unrecognized net loss............................................    15,254      7,317
    Unrecognized net asset at January 1, 1986 being recognized over
      19 years.......................................................   (12,733)   (13,883)
    Unrecognized prior service cost..................................     4,369      4,652
                                                                       --------   --------
              Prepaid pension costs..................................  $ 24,422   $ 23,334
                                                                       --------   --------
                                                                       --------   --------
</TABLE>
 
     Prepaid pension costs related to the Retirement Plan have been classified
as other assets in the accompanying balance sheets.
 
     The following table sets forth the components of net pension cost for the
Retirement Plan, which is included in the accompanying financial statements, for
the years ended December 31, 1993, 1992 and 1991 (expressed in thousands):
 
<TABLE>
<CAPTION>
                                                               1993       1992       1991
                                                             --------   --------   --------
    <S>                                                      <C>        <C>        <C>
    Service cost-benefits earned during the period.........  $  3,867   $  4,116   $  3,806
    Interest cost on projected benefit obligation..........     4,687      6,420      6,257
    Actual return on plan assets...........................   (13,595)   (12,766)   (29,345)
    Net amortization and deferral..........................     3,953       (687)    18,313
    Early retirement termination benefits..................        --         --      5,104
                                                             --------   --------   --------
              Net Pension Expense (Income).................  $ (1,088)  $ (2,917)  $  4,135
                                                             --------   --------   --------
                                                             --------   --------   --------
</TABLE>
 
                                      A-36
<PAGE>   55
 
     The projected unit credit method is used to determine the actuarial present
value of the accumulated benefit obligation and the projected benefit
obligation. The following table summarizes the various interest rate assumptions
used to determine the projected benefit obligation for the years 1993, 1992 and
1991:
 
<TABLE>
<CAPTION>
                                                                    1993     1992     1991
                                                                    -----    -----    -----
    <S>                                                             <C>      <C>      <C>
    Discount rate................................................    7.25%    7.50%    7.75%
    Rate of increase in future compensation levels...............    5.00%    5.00%    5.00%
    Expected long-term rate of return on assets..................   10.00%   10.00%   10.00%
</TABLE>
 
     Pension costs are determined using the assumptions as of the beginning of
the Retirement Plan year. The funded status is determined using the assumptions
as of the end of the Retirement Plan year.
 
  Postretirement Benefits Other than Pensions
 
     The Company's Employee Welfare Benefit Plan provides medical and life
insurance benefits to Company employees who retire under the Company's
Retirement Plan with at least five years of service. The Employee Welfare
Benefit Plan is contributory for medical benefits and for life insurance
benefits in excess of specified limits.
 
     In the first quarter of 1993, the Company adopted SFAS 106, "Employer's
Accounting for Postretirement Benefits Other Than Pensions," which requires the
Company to accrue, during the years that employees render the necessary service,
the estimated cost of providing postretirement benefits other than pensions to
those employees. At the January 1, 1993 date of adoption of SFAS 106, the
Company's postretirement benefits obligation (transition obligation) was $68
million which is being amortized over the remaining life of active participants.
 
     The medical benefits are currently funded for all retired Company employees
at a specified amount per quarter through a trust established under the
provisions of section 501(c)(9) of the Internal Revenue Code.
 
     The following table sets forth the Employee Welfare Benefit Plan's funded
status at December 31, 1993, reconciled with the accrued postretirement benefits
cost included in the accompanying balance sheet at December 31, 1993 (in
thousands):
 
<TABLE>
<CAPTION>
                                                                                  1993
                                                                                --------
    <S>                                                                         <C>
    Accumulated postretirement benefit obligation:
      Retirees................................................................  $(53,552)
      Fully eligible active plan participants.................................    (3,977)
      Other active plan participants..........................................   (35,474)
                                                                                --------
                                                                                 (93,003)
    Plan assets at fair value.................................................    22,638
                                                                                --------
    Accumulated postretirement benefit obligation in excess of plan assets....   (70,365)
    Unrecognized net loss.....................................................     1,189
    Unrecognized transition obligation........................................    64,753
                                                                                --------
    Accrued postretirement benefit cost.......................................  $ (4,423)
                                                                                --------
                                                                                --------
</TABLE>
 
                                      A-37
<PAGE>   56
 
     The following table sets forth the components of the net periodic
postretirement benefit cost, net of deferred costs, which is included in the
accompanying financial statements for the year ended December 31, 1993 (in
thousands):
 
<TABLE>
<CAPTION>
                                                                                  1993
                                                                                 -------
    <S>                                                                          <C>
    Service cost-benefits earned during the period.............................  $ 2,430
    Interest cost on accumulated postretirement benefit obligation.............    6,325
    Actual return on plan assets...............................................   (2,548)
    Amortization of transition obligation......................................    3,238
    Net amortization and deferral..............................................    1,356
                                                                                 -------
              Net periodic postretirement benefit cost.........................   10,801
    Less deferral of costs not included in jurisdictional rates................    5,013
                                                                                 -------
              Net periodic postretirement benefit cost net of deferred costs...  $ 5,788
                                                                                 -------
                                                                                 -------
</TABLE>
 
     The annual expense is subject to change in future periods as a result of,
among other things, the passage of time, changes in participants, changes in
Employee Welfare Benefit Plan benefits and changes in assumptions upon which the
estimates are made.
 
     For measurement purposes as of December 31, 1993, the initial annual rate
of increase in the per capita cost of covered health care benefits was assumed
to be 12%. The rate was assumed to decrease gradually to 6% for the year 2005
and remain at that level thereafter. The health care cost trend rate assumption
has a significant effect on the amounts reported. To illustrate, increasing the
assumed health care cost trend rate by one percentage point in each year would
increase the accumulated postretirement benefit obligation for health care
benefits as of January 1, 1994 by 16% and the aggregate of the service and
interest cost components of the net periodic postretirement health care benefit
cost for 1994 by 19%.
 
     To determine the accumulated postretirement benefit obligation, the
Employee Welfare Benefit Plan used a discount rate of 7.25% and a salary growth
assumption of 5.0% per annum. Employee Welfare Benefit Plan assets are managed
by external investment organizations and include cash and cash equivalents,
commingled funds, preferred and common stocks and government and corporate debt
instruments. The expected long-term rate of return on Employee Welfare Benefit
Plan assets was 7% after taxes. Realized returns on Employee Welfare Benefit
Plan assets are subject to federal income taxes at a sliding scale that
increases up to a 39.6% tax rate.
 
     In November 1993, the Company placed into effect a general rate case that
provides for the increase in postretirement benefits costs pursuant to SFAS 106
to be collected in rates. Prior to November 1, 1993 the Company deferred the
difference between its postretirement benefits expense accrued in 1993 under
SFAS 106 and the amount it collected in rates and recorded a regulatory asset of
approximately $5 million as of November 1, 1993. Pursuant to its rate case
filing, the Company proposes to recover the regulatory asset in rates over a
36-month period beginning November 1, 1993.
 
     The Company believes that all costs of providing postretirement benefits to
its employees are necessary and prudent operating expenses and that such costs
will continue to be recoverable in rates. Adoption of SFAS 106 did not have a
material adverse effect on the Company's financial position or results of
operations.
 
H. SALE OF SUBSIDIARY
 
     On June 8, 1992, Transco and certain of its subsidiaries (including the
Company) entered into a definitive agreement to sell their interests in certain
gas gathering and related facilities for $65 million in cash, subject to certain
adjustments. The sale, which was closed on July 20, 1992, included the stock of
the Company's subsidiary, Texam. Of the total sales price, $12.5 million was
allocated to the sale of Texam. The Company recognized a $6.9 million gain ($4.4
million after-tax) in connection with this sale.
 
                                      A-38
<PAGE>   57
 
I. FAIR VALUE OF FINANCIAL INSTRUMENTS
 
  Cash and Short-Term Financial Assets and Liabilities
 
     For short-term instruments, the carrying amount is a reasonable estimate of
fair value due to the short maturity of those instruments, except for the
Company's current maturities of long-term debt which is publicly traded.
Therefore, the fair value of these maturities is estimated based on quoted
market prices, less accrued interest, at December 31, 1993.
 
  Long-Term Notes Receivable
 
     The carrying amount for the long-term notes receivable, which are shown as
advances to affiliates on the balance sheet, is a reasonable estimate of fair
value. As discussed in Note A, the notes earn a variable rate of interest which
is adjusted regularly to reflect current market conditions.
 
  Long-Term Debt
 
     All of the Company's debt is publicly traded; therefore, fair value is
estimated based on quoted market prices, less accrued interest, at December 31,
1993 and 1992.
 
     The carrying amount and estimated fair values of the Company's financial
instruments as of December 31, 1993 and 1992 are as follows (in thousands):
 
<TABLE>
<CAPTION>
                                                       CARRYING                  FAIR
                                                        AMOUNT                  VALUE
                                                 --------------------    --------------------
                                                   1993        1992        1993        1992
                                                 --------    --------    --------    --------
    <S>                                          <C>         <C>         <C>         <C>
    Financial Assets:
      Cash and short-term financial assets.....  $ 92,261    $ 86,346    $ 92,261    $ 86,346
      Long-term notes receivable...............   137,000     145,165     137,000     145,165
    Financial Liabilities:
      Short-term financial liabilities.........   224,953      70,287     223,563      70,287
      Long-term debt...........................   100,000     250,000     102,252     245,015
</TABLE>
 
J. SUPPLEMENTARY PROFIT AND LOSS INFORMATION
 
  Major Customers
 
     Listed below are sales and transportation revenues received from the
Company's major customers in 1993, 1992 and 1991, portions of which are included
in the refund reserve discussed in Note C (expressed in thousands):
 
<TABLE>
<CAPTION>
                                                                 YEAR ENDED DECEMBER 31,
                                                              -----------------------------
                                                               1993       1992       1991
                                                              -------    -------    -------
    <S>                                                       <C>        <C>        <C>
    Indiana Gas Company, Inc................................  $49,825    $57,304    $72,165
    Louisville Gas and Electric Company.....................   45,176     63,485     56,764
    Western Kentucky Gas Company............................   41,314     45,144     47,607
</TABLE>
 
  Expenditures for Maintenance and Repairs
 
     Expenditures for maintenance and repairs for the years ended December 31,
1993, December 31, 1992 and December 31, 1991, were $16.8 million, $14.1 million
and $14.6 million, respectively.
 
                                      A-39
<PAGE>   58
 
K. QUARTERLY INFORMATION (UNAUDITED)
 
     The following summarizes selected quarterly financial data for 1993 and
1992 (expressed in thousands):
 
<TABLE>
<CAPTION>
                                                                          1993
                                                       ------------------------------------------
                                                        FIRST      SECOND      THIRD      FOURTH
                                                       QUARTER     QUARTER    QUARTER    QUARTER
                                                       --------    -------    -------    --------
<S>                                                    <C>         <C>        <C>        <C>
  Operating revenues.................................  $160,700    $95,711    $92,262    $116,786
  Operating expenses.................................   131,798     77,752     76,822      96,050
                                                       --------    -------    -------    --------
          Operating income...........................    28,902     17,959     15,440      20,736
                                                       --------    -------    -------    --------
  Other deductions (income):
     Interest expense................................     6,215      6,229      6,250       6,393
     Other (income), net.............................    (1,775)    (1,935)    (1,968)     (1,984)
                                                       --------    -------    -------    --------
          Total other deductions (income)............     4,440      4,294      4,282       4,409
                                                       --------    -------    -------    --------
  Income before income taxes.........................    24,462     13,665     11,158      16,327
  Provision for income taxes.........................     9,594      5,289      5,175       6,497
                                                       --------    -------    -------    --------
  Net income.........................................  $ 14,868    $ 8,376    $ 5,983    $  9,830
                                                       --------    -------    -------    --------
                                                       --------    -------    -------    --------
</TABLE>
 
<TABLE>
<CAPTION>
                                                                         1992
                                                     --------------------------------------------
                                                      FIRST      SECOND        THIRD      FOURTH
                                                     QUARTER     QUARTER      QUARTER    QUARTER
                                                     --------    -------      -------    --------
<S>                                                  <C>         <C>          <C>        <C>
  Operating revenues...............................  $124,158    $98,731      $94,545    $146,431
  Operating expenses...............................   101,117     86,451       79,381     120,978
                                                     --------    -------      -------    --------
          Operating income.........................    23,041     12,280       15,164      25,453
                                                     --------    -------      -------    --------
  Other deductions (income):
     Interest expense..............................     6,674      6,889        7,018       5,867
     Other (income), net...........................    (3,006)    (8,918)(1)   (2,193)     (3,774)
                                                     --------    -------      -------    --------
          Total other deductions (income)..........     3,668     (2,029)       4,825       2,093
                                                     --------    -------      -------    --------
  Income before income taxes.......................    19,373     14,309       10,339      23,360
  Provision for income taxes.......................     7,631      5,582        4,118       9,132
                                                     --------    -------      -------    --------
  Net income.......................................  $ 11,742    $ 8,727      $ 6,221    $ 14,228
                                                     --------    -------      -------    --------
                                                     --------    -------      -------    --------
</TABLE>
 
- ---------------
 
(1) Includes $6,948 gain on sale of subsidiary.
 
                                      A-40
<PAGE>   59
 
ITEM 9. DISAGREEMENTS ON ACCOUNTING AND FINANCIAL DISCLOSURE.
 
Not Applicable.
 
                                      A-41
<PAGE>   60
 
                                    PART IV
 
ITEM 14. EXHIBITS, FINANCIAL STATEMENT SCHEDULES AND REPORTS ON FORM 8-K.
 
(a) 1.* Financial Statements
 
    Included in Item 8, Part II of this Report
 
        Report of Independent Public Accountants on Financial Statements and
         Schedules
 
        Report of Management Responsibility for Financial Statements
 
        Balance Sheets at December 31, 1993 and December 31, 1992
 
        Statements of Income for the years ended December 31, 1993, December 31,
         1992 and December 31, 1991.
 
        Statements of Retained Earnings and Paid-In Capital for the years ended
         December 31, 1993, December 31, 1992 and December 31, 1991.
 
        Statements of Cash Flows for the years ended December 31, 1993, December
         31, 1992 and December 31, 1991.
 
        Notes to Financial Statements
 
(a) 2.* Financial Statement Schedules
 
    Included in Item 14, Part IV of this Report
 
        Financial Statement Schedules for the years ended December 31, 1993,
         December 31, 1992 and December 31, 1991.
 
<TABLE>
  <S>          <C>
  Schedule V   -- Property, Plant and Equipment
  Schedule VI  -- Accumulated Depreciation, Depletion and Amortization of Property, Plant and
                  Equipment
</TABLE>
 
     Other schedules are omitted because of the absence of conditions under
which they are required or because the required information is given in the
financial statements or notes thereto.
 
(a) 3. Exhibits
 
<TABLE>
          <S>        <C>
          3.1        -- Copy of Certificate of Incorporation of the Corporation (incorporated
                        by reference to Exhibit 3.1 of the 1987 Form 10-K -- File No.
                        1-4169).
          3.2        -- Copy of Bylaws of the Corporation (incorporated by reference to
                        Exhibit 3.2 of the 1991 Form 10-K -- File No. 1-4169).
          4.1        -- Indenture dated November 1, 1987, securing 10% Debentures due
                        November 1, 1994. (incorporated by reference to Exhibit 4.1 of the
                        1987 Form 10-K -- File No. 1-4169).
          4.2        -- Indenture dated July 8, 1992, securing 9 5/8% Notes due July 15, 1997
                        (incorporated by reference to Form 8-K dated July 16, 1992 -- File
                        No. 1-4169).
</TABLE>
 
(b) Reports on Form 8-K
 
    None.
- ---------------
 
* Filed herewith
 
                                      A-42
<PAGE>   61
 
                       TEXAS GAS TRANSMISSION CORPORATION
 
                  SCHEDULE V -- PROPERTY, PLANT AND EQUIPMENT
                             (THOUSANDS OF DOLLARS)
 
<TABLE>
<CAPTION>
                                                                                   TRANSFERS     BALANCE,
                                         BEGINNING    ADDITIONS    RETIREMENTS     AND OTHER      END OF
              DESCRIPTION                 BALANCE      AT COST      OR SALES        CHANGES       PERIOD
              -----------                ---------    ---------    -----------     ---------     --------
<S>                                      <C>          <C>          <C>             <C>           <C>
For the Year Ended December 31, 1993:
  Natural Gas Transmission
     Facilities........................  $ 679,802     $33,014       $(3,185)       $(2,963)     $706,668
  Other Natural Gas Plant..............    126,221          --        (1,284)         3,439       128,376
                                         ---------    ---------    -----------     ---------     --------
                                         $ 806,023     $33,014       $(4,469)       $   476      $835,044
                                         ---------    ---------    -----------     ---------     --------
                                         ---------    ---------    -----------     ---------     --------
For the Year Ended December 31, 1992:
  Natural Gas Transmission
     Facilities........................  $ 647,729     $38,236       $(3,638)       $(2,525)     $679,802
  Other Natural Gas Plant..............    123,563          --        (1,342)         4,000       126,221
                                         ---------    ---------    -----------     ---------     --------
                                         $ 771,292     $38,236       $(4,980)       $ 1,475      $806,023
                                         ---------    ---------    -----------     ---------     --------
                                         ---------    ---------    -----------     ---------     --------
For the Year Ended December 31, 1991:
  Natural Gas Transmission
     Facilities........................  $ 598,306     $57,238       $(2,352)       $(5,463)     $647,729
  Other Natural Gas Plant..............     83,803          --        (1,458)        41,218(1)    123,563
                                         ---------    ---------    -----------     ---------     --------
                                         $ 682,109     $57,238       $(3,810)       $35,755      $771,292
                                         ---------    ---------    -----------     ---------     --------
                                         ---------    ---------    -----------     ---------     --------
</TABLE>
 
- ---------------
 
(1) Included in Transfers and Other Changes for Other Natural Gas Plant, for the
    year ended December 31, 1991, is $33.8 million related to transfers of gas
    stored underground-noncurrent.
 
                                      A-43
<PAGE>   62
 
                       TEXAS GAS TRANSMISSION CORPORATION
 
                  SCHEDULE VI -- ACCUMULATED DEPRECIATION AND
                 AMORTIZATION OF PROPERTY, PLANT AND EQUIPMENT
                             (THOUSANDS OF DOLLARS)
 
<TABLE>
<CAPTION>
                                                        CLEARING   SALVAGE
                                                        ACCOUNTS    LESS                   TRANSFERS   BALANCE,
                            BEGINNING   DEPRECIATION      AND      REMOVAL   RETIREMENTS   AND OTHER    END OF
       DESCRIPTION           BALANCE      EXPENSE        OTHERS     COSTS     OF SALES      CHANGES     PERIO
       -----------          ---------   ------------    --------   -------   -----------   ---------   --------
<S>                         <C>         <C>             <C>        <C>       <C>           <C>         <C>
For the Year Ended
  December 31, 1993:
  Natural Gas Transmission
     Facilities...........  $ 118,892     $ 35,021       $   --    $3,834      $(3,185)     $ 1,935    $156,497
  Other Natural Gas
     Plant................     12,750        2,709        1,453       385       (1,284)         691      16,704
                            ---------   ------------    --------   -------   -----------   ---------   --------
                            $ 131,642     $ 37,730(1)    $1,453    $4,219      $(4,469)     $ 2,626    $173,201
                            ---------   ------------    --------   -------   -----------   ---------   --------
                            ---------   ------------    --------   -------   -----------   ---------   --------
For the Year Ended
  December 31, 1992:
  Natural Gas Transmission
     Facilities...........  $  86,328     $ 34,248       $   --    $ (496 )    $(3,630)     $ 2,442    $118,892
  Other Natural Gas
     Plant................      8,979        2,789        1,514       401       (1,316)         383      12,750
                            ---------   ------------    --------   -------   -----------   ---------   --------
                            $  95,307     $ 37,037(1)    $1,514    $  (95 )    $(4,946)     $ 2,825    $131,642
                            ---------   ------------    --------   -------   -----------   ---------   --------
                            ---------   ------------    --------   -------   -----------   ---------   --------
For the Year Ended
  December 31, 1991:
  Natural Gas Transmission
     Facilities...........  $  54,870     $ 33,219       $   --    $  128      $(2,352)     $   463    $ 86,328
  Other Natural Gas
     Plant................      5,000        3,140        1,583       668       (1,458)          46       8,979
                            ---------   ------------    --------   -------   -----------   ---------   --------
                            $  59,870     $ 36,359(1)    $1,583    $  796      $(3,810)     $   509    $ 95,307
                            ---------   ------------    --------   -------   -----------   ---------   --------
                            ---------   ------------    --------   -------   -----------   ---------   --------
</TABLE>
 
- ---------------
 
(1) Does not include amortization of intangible assets which are not classified
    as property, plant and equipment.
 
                                      A-44
<PAGE>   63
 
                                   SIGNATURES
 
     Pursuant to the requirements of Section 13 or 15(d) of the Securities
Exchange Act of 1934, the registrant has duly caused this report to be signed on
its behalf by the undersigned, thereunto duly authorized.
 
                                          TEXAS GAS TRANSMISSION CORPORATION
 
                                          BY      /s/  E. J. RALPH
                                                       E. J. Ralph,
                                              Vice President and Controller
 
                                          DATE       March 16, 1994
 
     Pursuant to the requirements of the Securities Exchange Act of 1934, this
report has been signed below by the following persons on behalf of the
registrant and in the capacities and on the date indicated.
 
<TABLE>
              <S>                                <C>

              /s/  JOHN P. DESBARRES             Chairman of the Board and Chief Executive
                   John P. DesBarres              Officer (Principal Executive Officer)

              /s/  ROBERT W. BEST                Director, President and Chief Operating
                   Robert W. Best                 Officer

              /s/  LARRY J. DAGLEY               Director, Senior Vice President and Chief
                   Larry J. Dagley                Financial Officer (Principal Financial
                                                   Officer)

              /s/  E. JACK RALPH                 Vice President and Controller
                   E. Jack Ralph


                  March 16, 1994
              Date of all Signatures
</TABLE>
 
                                      A-45
<PAGE>   64
 
- ------------------------------------------------------
- ------------------------------------------------------
- ------------------------------------------------------
- ------------------------------------------------------
 
  NO DEALER, SALESPERSON OR OTHER INDIVIDUAL HAS BEEN AUTHORIZED TO GIVE ANY
INFORMATION OR TO MAKE ANY REPRESENTATIONS NOT CONTAINED IN THIS PROSPECTUS IN
CONNECTION WITH THE OFFERING COVERED BY THIS PROSPECTUS. IF GIVEN OR MADE, SUCH
INFORMATION OR REPRESENTATION MUST NOT BE RELIED UPON AS HAVING BEEN AUTHORIZED
BY THE COMPANY OR THE UNDERWRITERS. THIS PROSPECTUS DOES NOT CONSTITUTE AN OFFER
TO SELL, OR A SOLICITATION OF AN OFFER TO BUY, THE NOTES IN ANY JURISDICTION
WHERE, OR TO ANY PERSON TO WHOM, IT IS UNLAWFUL TO MAKE SUCH OFFER OR
SOLICITATION. NEITHER THE DELIVERY OF THIS PROSPECTUS NOR ANY SALE MADE
HEREUNDER SHALL, UNDER ANY CIRCUMSTANCES, CREATE AN IMPLICATION THAT THERE HAS
NOT BEEN ANY CHANGE IN THE FACTS SET FORTH IN THIS PROSPECTUS OR IN THE AFFAIRS
OF THE COMPANY SINCE THE DATE HEREOF.
 
                    -------------------
 
                     TABLE OF CONTENTS
 
<TABLE>
<CAPTION>
                                       PAGE
                                       -----
<S>                                    <C>
Statement of Available Information....    2
Incorporation of Certain Documents by
  Reference...........................    2
Prospectus Summary....................    4
Selected Financial Data...............    5
Investment Considerations.............    6
The Company...........................    7
Ratio of Earnings to Fixed Charges....    7
Use of Proceeds.......................    7
Capitalization........................    8
Description of the Notes..............    9
Underwriting..........................   17
Legal Matters.........................   17
Experts...............................   18
Texas Gas 1993 Form 10-K..............  A-1
</TABLE>
 
                                  $150,000,000
 
                                   TEXAS GAS
                                  TRANSMISSION
                                  CORPORATION
 
   
                             8 5/8% NOTES DUE 2004
    
                          ---------------------------
                                   PROSPECTUS
                          ---------------------------
                              MERRILL LYNCH & CO.
                           CITICORP SECURITIES, INC.
   
                                 MARCH 29, 1994
    
 
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