ZEIGLER COAL HOLDING CO
10-Q, 1997-11-10
BITUMINOUS COAL & LIGNITE MINING
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<PAGE>   1

                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                   FORM 10-Q

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

               FOR THE QUARTERLY PERIOD ENDED SEPTEMBER 30, 1997

                                       OR

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

                        Commission file number: 1-13298

                          ZEIGLER COAL HOLDING COMPANY
             (Exact name of registrant as specified in its charter)




<TABLE>
<S>                                                           <C>
       DELAWARE                                                           36-3344449
(State of incorporation)                                      (I.R.S. Employer Identification No.)



     50 JEROME LANE
FAIRVIEW HEIGHTS, ILLINOIS                        62208                  (618)394-2400
(Address of principal executive offices)        (Zip Code)       (Registrant's telephone number,
                                                                     including area code)
</TABLE>



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 report(s)), and (2) has been subject to
such filing requirements for the past 90 days.   [x] Yes   [  ] No


As of October 31, 1997, a total of 28,185,191 shares of the Registrant's common
stock were outstanding.






<PAGE>   2




                         PART 1 - FINANCIAL INFORMATION


ITEM 1. FINANCIAL STATEMENTS


















                                  (see page 2)
































                                       1


<PAGE>   3
                 ZEIGLER COAL HOLDING COMPANY AND SUBSIDIARIES
                CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
         THREE MONTHS AND NINE MONTHS ENDED SEPTEMBER 30, 1997 AND 1996
          (Amounts in thousands, except per share amounts; unaudited)


<TABLE>
<CAPTION>

                                                                      Three Months                       Nine  Months
                                                                ------------------------            ----------------------
                                                                   1997           1996                1997         1996
                                                                ---------       --------            ----------   ---------  
<S>                                                             <C>             <C>                 <C>          <C>
Revenues                                                                                                                     
 Coal sales ...................................................  $151,491       $186,662            $445,334     $533,705    
 Energy trading revenues ......................................    81,019              -             118,897            -    
 Other revenues ...............................................     5,695          6,560              22,029       23,236    
                                                                 --------       --------            --------     --------    
     Total revenues ..........................................    238,205        193,222             586,260      556,941    
                                                                 --------       --------            --------     --------    
                                                                                                                             
Costs and expenses                                                                                                           
 Cost of coal sales ...........................................   120,336        156,616             360,869      461,251    
 Energy trading costs .........................................    83,166              -             122,723            -    
 Other costs and expenses .....................................     7,827          5,509              23,149       15,946    
 Selling, general and administrative expenses .................     1,303          5,132              11,462       14,655    
                                                                 --------       --------            --------     --------    
     Total costs and expenses ................................    212,632        167,257             518,203      491,852    
                                                                 --------       --------            --------     --------    
                                                                                                                             
Operating earnings ...........................................     25,573         25,965              68,057       65,089    
                                                                                                                             
Interest expense, net ........................................      4,075          5,494              12,712       17,146    
                                                                 --------       --------            --------     --------    
                                                                                                                             
Earnings before taxes ........................................     21,498         20,471              55,345       47,943    
                                                                                                                             
Taxes ........................................................      3,869          3,480               9,959        8,165    
                                                                 --------       --------            --------     --------    
                                                                                                                             
Net earnings .................................................   $ 17,629       $ 16,991            $ 45,386     $ 39,778    
                                                                 ========       ========            ========     ========    
                                                                                                                             
                                                                                                                             
Earnings per common share ....................................   $   0.63       $   0.60            $   1.60     $   1.40    
                                                                 ========       ========            ========     ========    
                                                                                                                             
                                                                                                                             
Weighted average shares outstanding ..........................     28,179         28,361              28,287       28,359    
                                                                 ========       ========            ========     ========    
</TABLE>      
              
     See accompanying notes to condensed consolidated financial statements.


     
                                       2


<PAGE>   4
                 ZEIGLER COAL HOLDING COMPANY AND SUBSIDIARIES
                    CONDENSED CONSOLIDATED BALANCE SHEETS
                (Amounts in thousands, except per share amounts)



<TABLE>
<CAPTION>
                                                                   September 30,       December 31,
                                                                       1997               1996
                                                                     ----------       ------------
                                                                     (Unaudited)
                              ASSETS
                              ------                               
<S>                                                                  <C>                <C>
CURRENT ASSETS                                                                                        
 Cash and equivalents .........................................      $  118,544         $  108,321    
 Restricted cash ..............................................         145,800                  -    
 Receivables                                                                                          
  Accounts receivable, less allowances of $2,123 and $2,840 ...          69,696             51,122    
  Other receivables ...........................................           4,281              3,974    
                                                                     ----------         ----------    
     Total receivables, net ...................................          73,977             55,096    
                                                                                                      
Inventories                                                                                           
 Coal finished goods ..........................................           8,900             12,525    
 Coal work in process .........................................          13,238              8,744    
 Mine supplies ................................................          19,820             20,093    
                                                                     ----------         ----------    
     Total inventories ........................................          41,958             41,362    
                                                                                                      
Other current assets ..........................................          18,037             13,173    
                                                                     ----------         ----------    
     Total current assets .....................................         398,316            217,952    
                                                                     ----------         ----------    
                                                                                                      
PROPERTY, PLANT AND EQUIPMENT                                                                         
 Land and mineral rights ......................................         633,614            627,369    
 Prepaid royalties ............................................          20,834             21,705    
 Plant and equipment ..........................................         522,177            493,962    
                                                                     ----------         ----------    
     Total at cost ............................................       1,176,625          1,143,036    
Less - Accumulated depreciation, depletion and amortization ...        (357,913)          (324,166)   
                                                                     -----------        -----------   
     Property, plant and equipment, net ......................          818,712            818,870    
                                                                     ----------         ----------    
                                                                                                      
OTHER ASSETS .................................................           13,317             13,803    
                                                                     ----------         ----------    
                                                                                                      
TOTAL ASSETS .................................................       $1,230,345         $1,050,625    
                                                                     ==========         ==========    
</TABLE>    


     See accompanying notes to condensed consolidated financial statements.


                                       3


<PAGE>   5
                 ZEIGLER COAL HOLDING COMPANY AND SUBSIDIARIES
                    CONDENSED CONSOLIDATED BALANCE SHEETS
                (Amounts in thousands, except per share amounts)


<TABLE>
<CAPTION>
                                                                   September 30,         December 31,
                                                                       1997                 1996
                                                                   -------------         ------------
                                                                    (Unaudited)
              LIABILITIES AND SHAREHOLDERS' EQUITY
              ------------------------------------
<S>                                                                  <C>                <C>
CURRENT LIABILITIES                                                                                          
 Current portion of long-term debt ..........................        $  145,800         $        -          
 Accounts payable ...........................................            62,875             38,895          
 Dividends payable ..........................................             2,114              2,128          
 Taxes payable ..............................................            22,931             24,740          
 Accrued payroll ............................................            22,183             23,807          
 Other accrued expenses .....................................            46,035             43,452          
                                                                     ----------         ----------          
     Total current liabilities ..............................           301,938            133,022          
                                                                                                             
LONG-TERM DEBT .............................................            344,142            344,770          
                                                                                                             
ACCRUED POSTRETIREMENT BENEFIT OBLIGATIONS .................            250,120            245,385          
                                                                                                             
ACCRUED PNEUMOCONIOSIS BENEFITS ............................             36,781             46,256          
                                                                                                             
ACCRUED MINE CLOSING COSTS .................................             60,539             75,663          
                                                                                                             
DEFERRED TAXES .............................................             19,224             13,033          
                                                                                                             
OTHER LONG-TERM LIABILITIES ................................             51,170             59,890          
                                                                     ----------         ----------           
     Total liabilities .....................................          1,063,914            918,019          
                                                                     ----------         ----------           
                                                                                                             
SHAREHOLDERS' EQUITY                                                                                         
Preferred stock - $0.01 par value per share - authorized                                                     
  shares, 1,000 -  issued shares, none .....................                  -                  -          
Common stock - $0.01 par value - authorized shares, 50,000 -                                                 
  issued shares, 28,429 shares and 28,377 shares ...........                284                284          
Capital in excess of par value .............................             72,950             72,191          
Retained earnings ..........................................             99,145             60,131          
Cost of common stock in treasury, 244 shares in 1997 .......             (5,948)                 -          
                                                                     ----------         ----------          
     Total shareholders' equity ............................            166,431            132,606          
                                                                     ----------         ----------          
                                                                                                             
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY .................         $1,230,345         $1,050,625          
                                                                     ==========         ==========          
</TABLE>


     See accompanying notes to condensed consolidated financial statements.



                                       4







<PAGE>   6
                 ZEIGLER COAL HOLDING COMPANY AND SUBSIDIARIES
               CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS
                 NINE MONTHS ENDED SEPTEMBER 30, 1997 AND 1996
                       (Amounts in thousands; unaudited)



<TABLE>
<CAPTION>
                                                                    1997           1996
                                                                  ---------     ---------
<S>                                                               <C>            <C>
OPERATING ACTIVITIES
 Net earnings ..................................................  $  45,386     $  39,778
 Adjustments for differences between net earnings and cash flows
   from operating activities
       Depreciation, depletion, and amortization ...............     42,946        45,163
       Other noncash items .....................................    (28,165)      (10,246)
       Net decrease in working capital .........................      5,884        27,536
                                                                  ---------     ---------
          Net cash provided by operating activities ............     66,051       102,231
                                                                  ---------     ---------

INVESTING ACTIVITIES
 Additions to property, plant and equipment ....................    (45,687)      (19,867)
 Cash paid in connection with sale of Indiana assets ...........     (4,000)       (7,000)
 Proceeds from sales of property, plant and equipment ..........      6,062         4,407
                                                                  ---------     ---------
          Net cash (used in) investing activities ..............    (43,625)      (22,460)
                                                                  ---------     ---------

FINANCING ACTIVITIES
 Proceeds from debt refinancing ................................    145,800             -
 Funds deposited in escrow for retirement of debt ..............   (145,800)            -
 Payment of dividends ..........................................     (6,370)       (4,254)
 Purchases of treasury stock ...................................     (5,998)            -
 Other .........................................................        165            68
                                                                  ---------     ---------
          Net cash (used in) financing activities ..............    (12,203)       (4,186)
                                                                  ---------     ---------

INCREASE IN CASH AND EQUIVALENTS ...............................     10,223        75,585
Beginning cash and equivalents .................................    108,321        13,119
                                                                  ---------     ---------
ENDING CASH AND EQUIVALENTS ....................................  $ 118,544     $  88,704
                                                                  =========     =========
</TABLE>


     See accompanying notes to condensed consolidated financial statements.






                                      5


<PAGE>   7
                 ZEIGLER COAL HOLDING COMPANY AND SUBSIDIARIES
             NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
                       (AMOUNTS IN THOUSANDS; UNAUDITED)


1.   BASIS OF PRESENTATION

     The accompanying unaudited condensed consolidated financial statements, in
the opinion of management, include all adjustments necessary for a fair
presentation of the results for the interim periods presented.  These
adjustments consist of recurring accruals.  The consolidated financial
statements are presented in accordance with the requirements of Form 10-Q and,
consequently, do not include all the disclosures required by generally accepted
accounting principles.  For further information, refer to the consolidated
financial statements and notes thereto included in the Company's Annual Report
on Form 10-K for the year ended December 31, 1996.


2.   CHANGES IN ESTIMATES

     The results of operations for the three and nine month periods ended
September 30, 1997 were significantly impacted by changes in accounting
estimates for certain liabilities.  For the three and nine month periods ended
September 30, 1997, management reduced the accounting liability estimates for
mine closing and related costs and pneumoconiosis benefits as follows:


                          Three Months Ended      Nine Months Ended
                           September 30,1997      September 30,1997
                          ------------------      -----------------
Mine closing and related 
costs                         $ 9,800                $21,700
Pneumoconiosis benefits         2,100                  8,600
                              -------                -------
     Total                    $11,900                $30,300
                              =======                =======

The reduction in estimated mine closing and related costs reflects a decrease in
planned reclamation expenditures in combination with settlements and other
favorable events related to various landowner and customer claims exposures.
The obligation for pneumoconiosis benefits declined based on the results of a
1997 actuarial study by the Company's independent actuaries.  The impact of the
liability reduction on 1997 earnings has been allocated over the year.  The
reduction in the pneumoconiosis liability primarily reflected continued
favorable trends in claims incidence rates.

3.   DEBT

     Refunding of Industrial Revenue Bonds.  In August 1997, the Company
completed the refunding of its industrial revenue bonds.  The refunded
industrial revenue bonds are floating rate obligations issued by the Peninsula
Ports Authority of Virginia ($115.0 million) and Charleston County, South
Carolina ($30.8 million).  Both obligations are now backed by letters of credit
issued by Bank of America National Trust and Savings Association under the
Company's revolving credit facility.  These refundings served to extend the
maturities of the industrial revenue bonds and to release Shell Oil Company
from its guarantees of the underlying obligations.  The principal of the
obligation by the Peninsula Ports Authority of Virginia is now due in one
lump-sum payment on May 1, 2022 and the principal of the obligation by
Charleston County, South Carolina is now due in one lump-sum payment on August
1, 2028.  Interest on these obligations is payable monthly.  The weighted
average interest rate for the borrowings was 3.76% as of September 30, 1997.
The proceeds from these refundings ($145.8 million) were placed in an interest
bearing escrow account and will be used to redeem the prior industrial revenue
bonds on or about November 13, 1997.

     New Credit Agreement.  In April 1997, the Company executed a new Credit 
Agreement (the "New Credit Agreement") with certain financial institutions,
which provides for senior revolving credit and letter of credit facilities
aggregating $700.0 million.  Interest on the revolving credit facility is paid
in arrears based on rates which fluctuate based on the prime rate or a certain
Interbank Offer Rate, as the Company may elect.  Amounts outstanding under the
New Credit Agreement are not secured.  The New Credit Agreement and the
facilities thereunder terminate five years from the initial advance.  The New
Credit Agreement requires the Company to maintain a minimum net worth and a
maximum long-term debt to EBITDA ratio, and contains other customary covenants
and customary events of default.  Effectiveness of the New Credit Agreement is
subject to certain conditions, including payment (or restructuring to an
unsecured obligation) of the Company's outstanding senior secured notes and
payment of all obligations under the Company's existing $200.0 million revolving
credit facility.  Currently, there are $198.3 million principal amount of senior
secured notes outstanding.  The New Credit Agreement requires the Company to
meet these conditions by March 19, 1998.  The Company is in the process of
negotiating a Note Exchange and Purchase Agreement with respect to the Company's
outstanding serior secured notes which would restructure a majority of such
notes into unsecured obligations of the Company, with prepayment of the balance
of such notes.  In connection with the restructuring and prepayment of the
senior secured notes, the Company will incur a prepayment cost of approximately
$4.2 million and will write-off approximately $1.2 million in deferred financing
costs.  There can, however, be no assurance that this transaction will be
completed as currently contemplated.



                                      6
<PAGE>   8





ITEM 2.   MANAGEMENT'S DISCUSSION AND ANALYSIS OF RESULTS OF OPERATIONS AND
FINANCIAL CONDITION


RESULTS OF OPERATIONS

     REVENUES - Total revenues were $238.2 million for the quarter ended
September 30, 1997 compared to $193.2 million for the same period in 1996, an
increase of $45.0 million, or 23%.  Coal sales declined $35.2 million, or 19%,
in the third quarter of 1997 primarily because of three mine closings in 1996,
expiration of an above-market coal supply contract at Triton Coal Company in
December 1996, deferral of scheduled coal shipments, and a two day work
stoppage at the Marrowbone mining complex during the third quarter of 1997. The
Company's other revenues increased $80.2 million for the quarter ended
September 30, 1997, reflecting power and gas trading revenues from the
Company's new energy trading and marketing subsidiary, EnerZ Corporation
("EnerZ").  Total revenues were $586.3 million for the first nine months of
1997, up $29.3 million, or 5%, from the $556.9 million reported for the same
period in 1996.  Coal sales decreased $88.4 million, or 17%, versus one year
earlier primarily due to the mine closings, contract expirations and events at
Marrowbone  described above.  Other revenues were up $117.7 million during the
nine month period, largely reflecting EnerZ's trading and marketing activities
which commenced in January 1997.

     OPERATING EARNINGS - Operating earnings declined $.4 million, or 2%,
during the quarter ended September 30, 1997, but increased $3.0 million, or 5%,
during the nine months then ended, compared to the same periods a year ago.
Operating earnings for the coal segment were up $1.1 million, or 4%, in the
third quarter of 1997 and $12.0 million, or 17%, through the first nine months
of the year.  The increased coal segment earnings primarily reflected the
change in accounting liability estimates for mine closing costs and
pneumoconiosis benefits, which more than offset the negative effects on
operating earnings of reduced revenues, as described above, and geological
conditions which adversely affected mining operations at Marrowbone.

     Operating earnings for Zeigler's other segments were down a combined $5.3
million for the third quarter and $12.2 million for the first nine months of
1997.  EnerZ incurred operating losses of $2.1 million and $3.8 million,
respectively, in the quarter and year to date mainly caused by price volatility
in the electricity markets during the summer.  The technology segment reported
operating losses of $2.3 million and $6.4 million, respectively, in both
periods resulting from continued operation of Encoal Corporation's clean coal
demonstration plant in Wyoming.  Department of Energy co-funding of the plant's
costs expired as scheduled in September 1996. Management idled the plant in
September 1997 upon completion of planned development, and expects future
operating costs to be substantially lower. Marketing of the LFC technology,
both domestically and internationally, is continuing and the Company is
evaluating its options regarding Encoal.  The net book value of Encoal
Corporation's assets and the Company's related investment in clean coal
technology was $6.1 million as of September 30, 1997.

     Selling, general and administrative expenses were down $3.8 million for
the third quarter of 1997 and $3.2 million year to date primarily reflecting
reduced incentive bonus accruals and legal costs.

     A significant portion of the Company's operating earnings in 1997 was
attributable to the reduction of certain accounting liability estimates
resulting from ongoing re-evaluations of the Company's obligations (see
"Changes in Estimates" above).  The Company's coal mining business, without the
impact of such reductions in accounting liability estimates, had operating
earnings of $54.2 million during the first nine months of 1997 compared to
$67.9 million during the same period in 1996.  It is uncertain that similar
earnings will continue to result after 1997 from reductions of accounting
liability estimates.  The Company's ability to sustain and increase the
earnings levels reported for the first nine months of 1997 in future periods
after 1997 is therefore dependent in large part on the Company's success in
re-investing cash flow in acquisitions and investments that will enhance
earnings, and on the Company's coal and non-coal business segments achieving
significant improvement in profit levels.  The Company continues to pursue and
evaluate potential acquisition candidates.  However, there can be no assurance
that any such acquisitions or investments will be consummated.


                                      7


<PAGE>   9




FINANCIAL CONDITION

     A comparison of key elements of the Company's financial condition at the
end of the third quarter, as compared to the end of the last fiscal year,
follows:

                                               September 30,     December 31,
                                                  1997              1996
                                                  ----              ----

Working capital (in millions)                     $96.4             $84.9

Current ratio                                       1.3               1.6

Total debt to total capital                        67.4%             72.2%

Net debt to net capital                            57.5%             64.1%


     The Company's interest coverage ratio (operating earnings, divided by net
interest expense) was 5.4 times for the nine months ended September 30, 1997
compared to 3.8 times for the same period one year earlier.  The increased
interest coverage ratio reflects higher earnings and capitalized interest on
the development of North Rochelle.

     Cash and equivalents increased $10.2 million during the nine months ended
September 30, 1997.  Cash flow provided by operating activities of $66.1
million was used to fund $45.7 million of capital expenditures, $6.4 million of
dividends and $6.0 million of treasury stock purchases.

     The Company has financial resources available for reinvestment in existing
businesses and strategic acquisitions.  The Company has executed a new $700.0
million credit facility which, when it becomes effective, will replace the
Company's existing $200.0 million revolving credit facility.  See "Debt" above 
regarding the terms of the new credit agreement and conditions to its becoming
effective. 

FORWARD LOOKING STATEMENTS

     Statements in this Report that are not strictly historical may be
"forward-looking" statements that are subject to risks and uncertainties
inherent in the Company's business.  The Company's actual results could differ
materially from those anticipated in these forward-looking statements as a
result of risks and uncertainties, including those set forth herein and the
Company's Annual Report on Form 10-K for the year ended December 31, 1996.  The
Company's operations are subject to factors that can negatively or positively
affect the Company's results including, without limitation, the following:
weather; unexpected maintenance problems; variations in coal seam thickness,
amount of overburden, rock and other natural materials; disruption of
transportation services; labor problems; disputes and/or interruption of
deliveries under coal contracts due to circumstances affecting the customer;
permitting and other regulatory uncertainties; legal proceedings; the unproved
commercial viability of the Company's clean coal technology; engineering and
construction risks; regulatory changes that limit or slow the advance of
deregulation in the utility marketplace; competition in the wholesale power
market; price fluctuations in the energy commodity markets; interruptions and
uncertainties relating to fuel supply and transportation; and other conditions.











                                      8


<PAGE>   10



                          PART II - OTHER INFORMATION


ITEM 1.  LEGAL PROCEEDINGS

     The Company incorporates herein by reference the "Legal Proceedings"
section beginning on page 9 of its Form 10-Q for the quarter ended March 31,
1997.

     The following events occurred during the quarter ended September 30, 1997
in connection with the Cajun Electric Power Cooperative Inc. ("Cajun")
bankruptcy proceeding:

     Entergy-Gulf States Utilities, Inc.     Entergy-Gulf States Utilities,
Inc. ("GSU") owns 42% of Unit 3 at the Big Cajun II coal-fired power station.
Triton Coal Company (a wholly-owned subsidiary of the Company) ("Triton"),
through a contract with Western Fuels Association, Inc., supplies the coal
requirements of all three units at Big Cajun II (the "Triton Contract").  All
three plans for reorganization of Cajun pending before the Bankruptcy Court
call for the rejection of the Triton Contract.  Triton  and Western Fuels
Association, Inc. maintain that Unit 3 is a joint venture between GSU and
Cajun, that joint ventures are partnerships under Louisiana law and that, as
Cajun's partner and as a direct beneficiary of the coal provided by Triton, GSU
is liable for some or all of their damages in the event that the Triton Contract
is rejected.  On January 13, 1997, GSU requested a judgment from the Bankruptcy
Court declaring that Cajun is the sole principal under the Triton Contract and
that GSU has no liability to Western Fuels Association, Inc. or Triton Coal
Company in the event the Triton Contract is rejected.  In February, 1997,
Western Fuels Association, Inc. and Triton filed a counterclaim asking for a
declaration from the Court that GSU is liable to them for damages if the Triton
Contract is rejected.  On September 3, 1997, GSU was granted a summary judgment.
Western Fuels Association, Inc. and Triton are appealing this judgment.

     On August 21, 1997, GSU filed additional claims against Zeigler Coal
Holding Company, Triton and Western Fuels Association, Inc.  In these claims,
GSU alleges that these parties violated the Sherman Antitrust Act and Louisiana
Fair Trade statutes in the course of settlement discussions between the
parties.  The Company believes that these allegations have no merit and a
Motion to Dismiss these claims has been filed.

     If the Triton Contract is rejected by the Bankruptcy Court, Triton will
suffer damages for breach of contract, for which its only remedies will be a
claim against GSU (as described above) and/or a claim in the bankruptcy
proceeding as a creditor of Cajun, and Triton will have to find other markets
for this coal, including sales to the new operator of Cajun's coal fired units.
Triton is currently in negotiations with alternative customers for this coal.
Triton has executed an agreement with Louisiana Generating LLC (an entity that
is 30% owned by Zenergy, Inc., a wholly-owned subsidiary of the Company)
pursuant to which Triton will supply coal to Big Cajun II in the event Cajun's
court appointed trustee's plan of reorganization is confirmed by the Bankruptcy
Court and Louisiana Generating LLC completes the purchase of Cajun's
non-nuclear assets.



        


                                      9
<PAGE>   11

ITEM 6.  EXHIBITS AND REPORTS ON FORM 8-K


a)   Exhibits

     4.9  Credit Agreement dated as of April 24, 1997 by and among Zeigler Coal
          Holding Company; certain financial institutions; Bank of America
          National Trust and Savings Association and the First National Bank of
          Chicago, as Co-Documentation Agents; the First National Bank of 
          Chicago, as Syndication Agent; and Bank of America National Trust and
          Savings Association, as Administrative Agent.*

b)   Reports on Form 8-K

     The Company filed no Reports on Form 8-K during the quarter ended September
     30, 1997.




_________________________________________

*    Schedules and exhibits are omitted.  The Company will furnish
     supplementally to the Commission upon request  a copy of any omitted
     schedule or exhibit.                                                     










                                      10


<PAGE>   12





                                   SIGNATURES

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



                                      ZEIGLER COAL HOLDING COMPANY
                                      ----------------------------
                                              (Registrant)


                November 10, 1997            /s/ Paul D. Femmer
                                      ----------------------------
                                             Paul D. Femmer
                                              Controller
                                     (Principal Accounting Officer
                                      and duly authorized officer)












                                      11


<PAGE>   1




       _________________________________________________________________


                                  $700,000,000


                                CREDIT AGREEMENT


                           dated as of April 24, 1997



                                     among



                         ZEIGLER COAL HOLDING COMPANY,


                        CERTAIN FINANCIAL INSTITUTIONS,

             BANK OF AMERICA NATIONAL TRUST AND SAVINGS ASSOCIATION
                                      AND
                      THE FIRST NATIONAL BANK OF CHICAGO,
                           as Co-Documentation Agents


                      THE FIRST NATIONAL BANK OF CHICAGO,
                              as Syndication Agent

                                      and

            BANK OF AMERICA NATIONAL TRUST AND SAVINGS ASSOCIATION,
                            as Administrative Agent

                                  Arranged by
                          BANCAMERICA SECURITIES, INC.
                                      AND
                      FIRST CHICAGO CAPITAL MARKETS, INC.,


       _________________________________________________________________

<PAGE>   2

                               TABLE OF CONTENTS
<TABLE>
<CAPTION>
                                                                                                                    PAGE
<S>                                                                                                                 <C>
                                                     ARTICLE I
                                          DEFINITIONS AND INTERPRETATION   . . . . . .  . . . . . . . . . . . . .    1

1.1.  Defined Terms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .    1
1.2.  Interpretation  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .    1
1.3.  Accounting Terms  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .    2
1.4.  Conflict in Credit Documents  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .    2
1.5.  Legal Representation of the Parties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .    3

                                                   ARTICLE II
                                                  THE CREDITS . . . . . . . . . . . . . . . . . . . . . . . . . .    3

2.1.  Loans . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .    3
2.2.  Letters of Credit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .    3
2.3.  Ratable Loans . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .    6
2.4.  Rate Options  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .    6
2.5.  Mandatory Payments  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .    7
2.6.  Optional Principal Payments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .    7
2.7.  Commitment Fee; Reduction of Commitments; Letter of
          Credit Fees; Agents' and Arrangers' Fees  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .    7
2.8.  Method of Borrowing and Selecting Rate Options and
          Interest Periods for Advances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .    8
2.9.  Method of Funding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   10
2.10. Minimum Amount of Each Credit Extension . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   10
2.11. Rate After Maturity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   10
2.12. Method of Payment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   10
2.13. Notes; Telephonic Notices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   11
2.14. Interest Payment Dates; Interest Basis  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   11
2.15. Notification of Credit Extensions, Interest Rates,
          Prepayments and Commitment Reductions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   12
2.16. Lending Installations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   12
2.17. Non-Receipt of Funds by the Administrative Agent  . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   12
2.18. Withholding Tax Exemption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   13

                                                ARTICLE III
                                          CHANGE IN CIRCUMSTANCES . . . . . . . . . . . . . . . . . . . . . . . .   13

3.1.  Yield Protection  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   13
3.2.  Availability of Rate Options  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   15
3.3.  Funding Indemnification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   15
3.4.  Lender Certificates; Survival of Indemnity  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   15

                                                  ARTICLE IV
                                            CONDITIONS PRECEDENT  . . . . . . . . . . . . . . . . . . . . . . . .   16

4.1.  Closing Date  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   16
4.2.  Each Credit Extension . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   16
</TABLE>





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<TABLE>
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                                                 ARTICLE V
                                      REPRESENTATIONS AND WARRANTIES    . . . . . . . . . . . . . . . . . .   16

5.1.  Representations and Warranties of the Company . . . . . . . . . . . . . . . . . . . . . . . . . . . .   16

                                                 ARTICLE VI
                                                 COVENANTS  . . . . . . . . . . . . . . . . . . . . . . . .   22

6.1.  Financial Reporting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   22
6.2.  Use of Proceeds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   24
6.3.  Notice of Default . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   24
6.4.  Conduct of Business . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   25
6.5.  Taxes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   25
6.6.  Insurance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   25
6.7.  Compliance with Laws  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   25
6.8.  Maintenance of Properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   25
6.9.  Inspection  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   26
6.10. Restricted Payments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   26
6.11. Indebtedness  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   26
6.12. Merger  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   28
6.13. Sale of Assets  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   28
6.14. Leases and Off-Balance Sheet Financing  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   29
6.15. Investments and Acquisitions  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   29
6.16. Guaranties  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   31
6.17. Liens . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   32
6.18. Affiliates  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   32
6.19. Environmental Matters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   32
6.20. Consolidated Tangible Net Worth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   32
6.21. Funded Debt to EBITDA Ratio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   32
6.22. Delivery of Additional Subsidiary Guaranties  . . . . . . . . . . . . . . . . . . . . . . . . . . . .   33
6.23. Covenant to Secure Obligations Equally  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   33
6.24. Amendments  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   33
6.25. Shell Indemnification Agreement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   33
6.26. No Speculative Trading. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   34
6.27. EnerZ Corporation Value at Risk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   34

                                                 ARTICLE VII
                                                  DEFAULTS  . . . . . . . . . . . . . . . . . . . . . . . .   34


                                                 ARTICLE VIII
                             ACCELERATION, WAIVERS, AMENDMENTS AND REMEDIES . . . . . . . . . . . . . . . .   36

8.1.  Acceleration  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   36
8.2.  Amendments  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   37
8.3.  Preservation of Rights  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   38
</TABLE>





                                      -ii-
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                                                   ARTICLE IX
                                               ADMINISTRATIVE AGENT   . . . . . . . . . . . . . . . . . . .   38

9.1.     Appointment and Authorization; "Administrative Agent"  . . . . . . . . . . . . . . . . . . . . . .   38
9.2.     Delegation of Duties   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   39
9.3.     Liability of Administrative Agent  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   39
9.4.     Reliance by Administrative Agent   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   39
9.5.     Notice of Default  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   40
9.6.     Credit Decision  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   40
9.7.     Indemnification of Administrative Agent  . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   41
9.8.     Administrative Agent in Individual Capacity  . . . . . . . . . . . . . . . . . . . . . . . . . . .   41
9.9.     Successor Administrative Agent   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   42
9.10.    ERISA Plan Assets  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   42

                                                  ARTICLE X
                                             GENERAL PROVISIONS
                                       APPLICABLE TO LETTERS OF CREDIT  . . . . . . . . . . . . . . . . . .   43

10.1.    Administration of Letters of Credit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   43
10.2.    Default by Credit Parties or any Third Party . . . . . . . . . . . . . . . . . . . . . . . . . . .   43
10.3.    No Responsibility  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   43
10.4.    Reimbursement by Lenders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   44
10.5.    Indemnification by Company . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   44

                                               ARTICLE XI
                               SETOFF; RATABLE PAYMENTS; DEPOSIT ACCOUNTS   . . . . . . . . . . . . . . . .   45

11.1.    Setoff . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   45
11.2.    Ratable Payments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   45

                                               ARTICLE XII
                                                 NOTICES   . . . . . . . . . . . . . . . .. . . . . . . . .   45

                                                ARTICLE XIII
                              BENEFIT OF AGREEMENT; ASSIGNMENTS; PARTICIPATIONS . . . . . . . . . . . . . .   46

13.1.    Successors and Assigns . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   46
13.2.    Participations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   46
13.2.1.  Permitted Participants; Effect . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   46
13.2.2.  Voting Rights  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   46
13.2.3.  Benefit of Setoff  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   47
13.3.    Assignments  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   47
13.3.1.  Permitted Assignments  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   47
13.3.2.  Effect; Effective Date . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   47
13.4.    Dissemination of Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   48
13.5.    Tax Treatment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   48
</TABLE>





                                     -iii-
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<CAPTION>
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                                                ARTICLE XIV
                                            GENERAL PROVISIONS  . . . . . . . . . . . . . . .   49

14.1.  Survival of Representations  . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   49
14.2.  Governmental Regulation  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   49
14.3.  Taxes  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   49
14.4.  Headings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   50
14.5.  Entire Agreement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   50
14.6.  Several Obligations  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   50
14.7.  Expenses; Indemnification  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   51
14.8.  Numbers of Documents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   51
14.9.  Severability of Provisions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   51
14.10. Nonliability of Lenders  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   52
14.11. Confidentiality  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   52
14.12. CHOICE OF LAW  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   52
14.13. CONSENT TO JURISDICTION  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   52
14.14. WAIVER OF JURY TRIAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   53

                                                ARTICLE XV
                                               COUNTERPARTS . . . . . . . . . . . . . . . . .   53
</TABLE>





                                      -iv-
<PAGE>   6

                                    ANNEXES

ANNEX 1          Commitments

                                   SCHEDULES

SCHEDULE I            Definitions
SCHEDULE II           Closing Documents and Closing Effectiveness Events
SCHEDULE III          Disclosure Schedule
SCHEDULE IV           Existing Letters of Credit
SCHEDULE V            Addresses for Notice
SCHEDULE VI           Certain Permitted Dispositions

                                    EXHIBITS

EXHIBIT A             Form of Note
EXHIBIT B             Form of Subsidiary Guaranty
EXHIBIT C             Form of LC Notice
EXHIBIT D             Form of Commitment Reduction Notice
EXHIBIT E             Form of Borrowing Notice
EXHIBIT F             Form of Rate Conversion Notice
EXHIBIT G             Form of Opinion of Counsel to Credit Parties
EXHIBIT H             Form of Compliance Certificate
EXHIBIT I             Form of Assignment
EXHIBIT J             Form of Acknowledgment by Lender to Subsidiary





                                      -v-
<PAGE>   7

                                CREDIT AGREEMENT


     THIS CREDIT AGREEMENT, dated as of April 24, 1997, is among ZEIGLER COAL
HOLDING COMPANY, a Delaware corporation (the "Company"), the Lenders now or
hereafter parties hereto, BANK OF AMERICA NATIONAL TRUST AND SAVINGS
ASSOCIATION and THE FIRST NATIONAL BANK OF CHICAGO, as Co-Documentation Agents,
THE FIRST NATIONAL BANK OF CHICAGO, as Syndication Agent, and BANK OF AMERICA
NATIONAL TRUST AND SAVINGS ASSOCIATION, as Administrative Agent.

     NOW, THEREFORE, the parties hereto, intending legally to be bound hereby,
agree as follows:


                                   ARTICLE I

                         DEFINITIONS AND INTERPRETATION

     1.1.  Defined Terms.  Unless a clear contrary intention appears, terms
defined in Schedule I have the respective indicated meanings when used in this
Agreement and each other Credit Document.

     1.2.  Interpretation.  In this Agreement and each other Credit Document,
unless a clear contrary intention appears:

         (a)  the singular number includes the plural number and vice versa;

         (b)  reference to any Person includes such Person's successors and
     assigns but, if applicable, only if such successors and assigns are
     permitted by this Agreement and the other Credit Documents, and reference
     to a Person in a particular capacity excludes such Person in any other
     capacity or individually;

         (c)  reference to any gender includes each other gender;

         (d)  reference to any agreement (including this Agreement), document
     or instrument means such agreement, document or instrument as amended or
     modified and in effect from time to time in accordance with the terms
     thereof and, if applicable, the terms hereof and the other Credit
     Documents and reference to any promissory note includes any promissory
     note which is an extension or renewal thereof or a substitute or
     replacement therefor;

         (e)  reference to any Applicable Law means such Applicable Law as
     amended, modified, codified, replaced or

<PAGE>   8

     reenacted, in whole or in part, and in effect from time to time, including
     rules and regulations promulgated thereunder and reference to any section
     or other provision of any Applicable Law means that provision of such
     Applicable Law from time to time in effect and constituting the substantive
     amendment, modification, codification, replacement or reenactment of such
     section or other provision;

         (f)  reference to any Article, Section, Annex, Schedule or Exhibit
     means such Article or Section hereof or Annex, Schedule or Exhibit hereto;

         (g)  "hereunder", "hereof", "hereto" and words of similar import shall
     be deemed references to this Agreement as a whole and not to any
     particular Article, Section or other provision hereof;

         (h)  "including" (and with correlative meaning "include") means
     including without limiting the generality of any description preceding
     such term;

         (i)  "or" is not exclusive; and

         (j)  relative to the determination of any period of time, "from" means
     "from and including" and "to" and "through" mean "to but excluding".

     1.3.  Accounting Terms.  In this Agreement and each other Credit Document,
unless expressly otherwise provided, accounting terms shall be construed and
interpreted, and accounting determinations and computations shall be made, in
accordance with Agreement Accounting Principles; provided that if the Company
notifies the Administrative Agent that the Company wishes to amend any covenant
in Article VI to eliminate or to take into account the effect of any change in
Agreement Accounting Principles on the operation of such covenant (or if the
Administrative Agent notifies the Company that the Required Lenders wish to
amend Article VI for such purpose), then the Company's compliance with such
covenant shall be determined on the basis of Agreement Accounting Principles in
effect immediately before the relevant change in Agreement Accounting
Principles became effective, until either such notice is withdrawn or such
covenant is amended in a manner satisfactory to the Company and the Required
Lenders.

     1.4.  Conflict in Credit Documents.  If there is any conflict between this
Agreement and any other Credit Document, this Agreement and such other Credit
Document shall be interpreted and construed, if possible, so as to avoid or
minimize such conflict but, to the extent (and only to the extent) of such
conflict, this Agreement shall prevail and control.





                                     2
<PAGE>   9


     1.5.  Legal Representation of the Parties.  This Agreement and the other
Credit Documents were negotiated by the parties with the benefit of legal
representation and any rule of construction or interpretation otherwise
requiring this Agreement or any other Credit Document to be construed or
interpreted against any party shall not apply to any construction or
interpretation hereof or thereof.

                                   ARTICLE II

                                  THE CREDITS

     2.1.  Loans.  Each Lender severally agrees, on the terms and conditions
set forth in this Agreement, to make Loans to the Company from time to time
from the date of this Agreement to the Termination Date, in amounts not to
exceed in the aggregate at any one time outstanding an amount equal to (i) the
amount of its Commitment, minus (ii) the aggregate amount of its portion of and
participations in LC Liabilities; provided that the Company shall not request,
and no Lender shall be committed to make, any Loan which would cause the
aggregate outstanding principal amount of all Loans of all Lenders to exceed
$600,000,000.  From time to time prior to the Termination Date and subject to
the terms and conditions set forth in this Agreement, the Company may borrow,
repay and reborrow Advances.

     2.2.  Letters of Credit.  Each LC Issuer agrees, on the terms and
conditions set forth in this Agreement, and subject to the satisfaction of such
policy standards and conditions relating to the issuance of letters of credit
generally as may be established by such LC Issuer from time to time, to issue
standby letters of credit (as used herein, the term "issue" when referring to
Letters of Credit shall include any increase in the amount of or extension of
the term of any Letter of Credit) for the account of the Company from time to
time from the date of this Agreement to the earlier of (x) the date that is four
years and eleven months following the Closing Date and (y) the Termination Date;
provided that the Company shall not request, and no LC Issuer shall be committed
to issue, any Letter of Credit which would cause the aggregate LC Liabilities
(after giving effect to the issuance of such Letter of Credit) to exceed the
amount of the Aggregate Commitment minus the aggregate outstanding principal
amount of Advances, and provided, further, that the Company shall not request,
and no LC Issuer shall be committed to issue, any Letter of Credit which would
cause the aggregate LC Liabilities (after giving effect to such Letter of
Credit) with respect to standby letters of credit to exceed $300,000,000.

     (a)  Form of Letters of Credit.  Each Letter of Credit shall be issued on
the LC Issuer's standard form and shall have an expiration date no later than
the earlier of (i) the date which is




                                     3
<PAGE>   10

one year (or in the case of Letters of Credit in support of industrial revenue
bonds, five years) from the date such Letter of Credit was issued or (ii) the
then Termination Date.

     (b)  Requests for Letters of Credit.  Each Letter of Credit issued after
the Closing Date shall be issued upon receipt by the related LC Issuer and the
Administrative Agent from the Company of an irrevocable request therefor (an
"LC Notice") not later than 11:00 a.m. (Chicago time) three Business Days prior
to the Credit Extension Date for such Letter of Credit.  Each LC Notice for a
Letter of Credit issued after the Closing Date shall be substantially in the
form of Exhibit C.

     (c)  Reimbursement Upon Drawing.

         (i)  The Company shall reimburse the related LC Issuer pursuant to
     Section 2.12 for the amount of each draft drawn on a Letter of Credit on
     the date such draft is so drawn.  Any such draft not so paid on the date
     of drawing shall thereafter bear interest as provided in Section 2.11.
     The related LC Issuer will notify the Company promptly upon presentation
     of any draft drawn on a Letter of Credit; provided that the failure to so
     notify the Company will not adversely affect the rights of such LC Issuer
     to reimbursement, indemnification or any other relief hereunder.

         (ii)  The Company's obligation to make all payments due under Section
     2.2(c) shall be absolute and unconditional and irrevocable, and such
     payments shall be made strictly in accordance with the terms of this
     Agreement, under all circumstances whatsoever, including any or all of the
     following circumstances:

              (1)  any determination of invalidity or unenforceability with
         respect to any Letter of Credit after payment by the LC Issuer
         thereunder;

              (2)  any lack of validity or enforceability of any or all of the
         Credit Documents;

              (3)  any amendment to, or waiver of, any consent under or
         departure from any or all of the Credit Documents;

              (4)  any exchange, release or nonperfection of any collateral, or
         any release or amendment or waiver of or consent to departure from any
         guaranty;

              (5)  the existence of any claim, set-off, defense or other right
         which any Credit Party may have at any time against a beneficiary of
         any Letter of Credit (or





                                       4
<PAGE>   11

         any entities for whom such beneficiary may be acting), the
         Administrative Agent, any Lender or any LC Issuer or any other Person;

              (6)  any statement, draft or any other document presented under
         any Letter of Credit proving to be forged, fraudulent or invalid in
         any respect or any statement therein being untrue or inaccurate in any
         respect whatsoever, unless the related LC Issuer commits gross
         negligence or willful misconduct in determining that any document
         presented under a Letter of Credit complies on its face with the
         requirements specified therein;

              (7)  any errors, omissions, losses, interruptions or delays in
         transmission or delivery of any messages or documents, by mail, cable,
         telegraph, telex or otherwise, whether or not they be in cipher;

              (8)  any action, inaction or omission which may be taken or
         suffered in good faith or through inadvertence by the related LC
         Issuer in identifying or failing to identify any beneficiary under any
         Letter of Credit, unless the related LC Issuer commits gross
         negligence or willful misconduct in connection therewith;

              (9)  any invalidity or insufficiency of any instrument
         transferring or assigning, or purporting to transfer or assign, a
         Letter of Credit or the rights or benefits thereunder or proceeds
         thereof, in whole or in part;

              (10)  any use which may be made of any Letter of Credit, or the
         proceeds of any drawing thereunder, by the beneficiary of such Letter
         of Credit; or

              (11)  payment by any LC Issuer under any Letter of Credit against
         presentation of a statement, draft or any other document which does
         not comply with the terms of such Letter of Credit, unless such LC
         Issuer commits gross negligence or willful misconduct in connection
         therewith.

     (d)  Participations by Lenders.  Each Lender hereby purchases and takes
from each LC Issuer an undivided participation and interest in and to each
Letter of Credit issued by such LC Issuer, including any Existing Letters of
Credit issued by such LC Issuer, ratably according to the ratio which such
Lender's Commitment bears to the Aggregate Commitment, with a corresponding
interest in and to any guaranty relating to such Letter of Credit and all





                                       5
<PAGE>   12

collateral to which such Letter of Credit is entitled.  Accordingly, in the
event that for any reason any LC Issuer is not reimbursed in full pursuant to
Section 2.2(c) for any drawing under a Letter of Credit, such LC Issuer shall
give prompt notice by telephone or telex (to be confirmed later in writing) to
the Administrative Agent, which shall promptly notify each other Lender of such
event.  Upon receipt of such notice each Lender hereby agrees to deliver
immediately available funds to the Administrative Agent for the account of such
LC Issuer at the place designated in such notice no later than 12:00 noon
(Chicago time) on the Business Day following such notice in an amount equal to
its aforesaid ratable portion of the unreimbursed amount of such drawing.
Without limiting the foregoing, each Lender hereby agrees to indemnify each LC
Issuer for the cost to each such LC Issuer (determined at the Federal Funds
Effective Rate) of funding such Lender's ratable portion of the unreimbursed
amount of such drawing from the date the Company is required to reimburse each
such LC Issuer pursuant to Section 2.2(c) until receipt of good funds from such
Lender.  Each Lender hereby acknowledges that its obligations under this
Section 2.2(d) are absolute, irrevocable and unconditional and shall not be
affected by any intervening circumstances, except to the extent directly
related to the gross negligence or willful misconduct of an LC Issuer.  Each LC
Issuer agrees not to issue any Letter of Credit if any condition precedent
thereto set forth in Section 4.2(a), (b) and (d) is not met and such LC Issuer
has received written notice to such effect from the Company, the Administrative
Agent or another Lender, unless such condition precedent is waived in
accordance with Section 8.2.

     (e)  LC Issuer.  The Company may from time to time request any Lender to
act as an LC Issuer hereunder with respect to any Letter(s) of Credit.  Any
Lender agreeing to so act upon such request shall be the LC Issuer for such
Letter(s) of Credit, provided that the Company and such Lender agree in writing
as to the letter of credit fronting fee (the "LC Issuer Fronting Fee") to be
paid by the Company to such Lender with respect to such Letter(s) of Credit.
With respect to the Existing Letters of Credit, the related Lender noted on
Schedule VI shall be deemed to be the LC Issuer and all the references to the
LC Issuer shall be deemed to apply to such Lender.

     2.3.  Ratable Loans.  Each Advance hereunder shall consist of Loans made
from the several Lenders ratably in proportion to the ratio that their
respective Commitments bear to the Aggregate Commitment.

     2.4.  Rate Options.  The Advances may be Floating Rate Advances or
Eurodollar Rate Advances, or a combination thereof, as selected by the Company
in accordance with Section 2.8.




                                       6
<PAGE>   13


     2.5.  Mandatory Payments.  The Company shall repay all of its outstanding
Advances in full on the Termination Date.

     2.6.  Optional Principal Payments.  The Company may from time to time pay
all outstanding Floating Rate Advances, or any portion of the outstanding
Floating Rate Advances, in a minimum aggregate amount of $2,000,000, and in
excess of such minimum aggregate amount in an integral multiple of $1,000,000,
upon written notice to the Administrative Agent no later than 10:30 a.m.
(Chicago time) on the proposed date of payment, which notice shall specify the
date and amount of any such reduction, without penalty or premium.  The Company
may from time to time pay all outstanding Eurodollar Rate Advances, or any
portion of the outstanding Eurodollar Rate Advances, in a minimum aggregate
amount of $3,000,000, and in excess of such minimum aggregate amount in an
integral multiple of $1,000,000, upon written notice to the Administrative
Agent no later than 10:30 a.m. (Chicago time) at least three Business Days
prior to the proposed date of payment, which notice shall specify the date and
amount of any such reduction, without penalty or premium but subject to the
Company making any required payment under Section 3.3 in connection with such
repayment of Eurodollar Rate Advances.

     2.7.  Commitment Fee; Reduction of Commitments; Letter of Credit Fees; 
Agents' and Arrangers' Fees.

     (a)  The Company agrees to pay to the Administrative Agent for the account
of each Lender a commitment fee equal to the Applicable Margin on the average
daily unused portion of such Lender's Commitment from the date of the execution
of this Agreement to and including the Termination Date, payable quarterly in
arrears on each Quarterly Payment Date, commencing with the first Quarterly
Payment Date after the date hereof, and on the Termination Date for each period
then ended for which such commitment fee has not theretofore been paid.  The
Company may permanently reduce the Aggregate Commitment in whole or in part
ratably among the Lenders, as the case may be, in a minimum amount of
$10,000,000 and an integral multiple of $1,000,000 in excess thereof, upon at
least 3 days' written irrevocable notice to the Administrative Agent, which
shall specify the date and amount of any such reduction and otherwise be
substantially in the form of Exhibit D (a "Commitment Reduction Notice");
provided that the Aggregate Commitment may not be reduced below the sum of the
aggregate outstanding principal amount of all Advances plus the aggregate
outstanding amount of all LC Liabilities.

     (b)  In connection with the issuance and maintenance of each Letter of
Credit, the Company agrees to pay to the Administrative Agent for the account
of each Lender a letter of credit fee (computed for actual days elapsed on a
360-day year basis) equal to such Lender's ratable share of (i) 50%, in the
case of a





                                     7
<PAGE>   14

Performance Standby Letter of Credit, or (ii) 100%, in the case of a Financial
Standby Letter of Credit, of the Applicable Margin on the average daily stated
amount of such Letter of Credit (the "Letter of Credit Fee"), payable quarterly
in arrears on each Quarterly Payment Date, commencing with the first Quarterly
Payment Date after the Closing Date, and on the Termination Date for each
period then ended for which such fee has not theretofore been paid.

     (c)  In addition, the Company agrees to pay the following additional fees
and charges (collectively, the "Additional Letter of Credit Fees"): (i) the
related LC Issuer Fronting Fee to the related LC Issuer at the time or times
agreed to by the Company and the related LC Issuer (which fronting fee is in
addition to such LC Issuer's share of the Letter of Credit Fee and shall be
retained by such LC Issuer for its own account); (ii) all the usual and
customary charges of such LC Issuer in connection with the administration of,
or any amendments or supplements to, such Letter of Credit; and (iii) unless
waived by such LC Issuer, all costs, internal charges and out-of-pocket
expenses (including Attorney Costs) paid or incurred by such LC Issuer in
connection with the preparation, negotiation and execution of any Letter of
Credit issued by such LC Issuer.

     (d)  The Company further agrees to pay to the Agents and the Arrangers
such fees in such amounts and at such times as the Agents, the Arrangers and
the Company mutually agree in writing.

     2.8.  Method of Borrowing and Selecting Rate Options and Interest Periods
for Advances.  Except as otherwise permitted under Section 2.13, the Company
shall give the Administrative Agent irrevocable notice substantially in the
form of Exhibit E (a "Borrowing Notice") not later than (i) 10:30 a.m. (Chicago
time) on the Credit Extension Date for a Floating Rate Advance, and (ii) 10:30
a.m. (Chicago time) three Business Days before the Credit Extension Date for a
Eurodollar Rate Advance, specifying:

         (a)  the Credit Extension Date, which shall be a Business Day, of such
Advance,

         (b)  the aggregate amount of such Advance,

         (c)  the initial Rate Option selected for such Advance, and

         (d)  in the case of each Eurodollar Rate Advance, the initial Interest
Period applicable thereto.

     The initial Rate Option applicable to each Advance shall be as set forth
in the applicable Borrowing Notice for such Advance.  Thereafter the Company,
on behalf of the applicable Credit Party, shall select the Rate Options and
Interest Periods applicable to





                                     8
<PAGE>   15

such Advance as follows.  The Company may (i) on any Business Day, convert one
or more outstanding Floating Rate Advances, or any portion thereof, into one or
more Eurodollar Rate Advances, or (ii) on the last day of the applicable
Interest Period(s) (or, subject to Section 3.3, on any other Business Day),
convert one or more outstanding Eurodollar Rate Advances or any portion
thereof, into one or more new Floating Rate Advances or Eurodollar Rate
Advances by giving the Administrative Agent irrevocable notice substantially in
the form of Exhibit F (a "Rate Conversion Notice") not later than 11:00 a.m.
(Chicago time) at least three Business Days before the Rate Conversion Date, in
each case specifying:

         (a)  the Rate Conversion Date, which shall be a Business Day, and, if
     a Eurodollar Rate Advance is being converted, the last day of the Interest
     Period for such Eurodollar Rate Advance,

         (b)  each outstanding Floating Rate Advance and Eurodollar Rate
     Advance, or portions thereof, being converted into one or more Floating
     Rate Advances or Eurodollar Rate Advances,

         (c)  the principal amount of each new Floating Rate Advance and
     Eurodollar Rate Advance, the sum of which shall be equal to the aggregate
     principal amount of the Advances, or portions thereof, being converted as
     described in the preceding clause (b), and

         (d)  the Rate Option and Interest Period selected for each new 
Eurodollar Rate Advance.

     Each Rate Conversion Notice selecting a Eurodollar Rate shall be deemed to
constitute a representation and warranty by the Company that, as of the
applicable Credit Extension Date, there exists no Default or Unmatured Default.

     Each Eurodollar Rate Advance shall bear interest from the first day of
each Interest Period applicable thereto to the last day of such Interest Period
at the Eurodollar Rate determined as applicable to such Eurodollar Rate Advance
during such Interest Period.  If at the end of an Interest Period for an
outstanding Eurodollar Rate Advance, the Company has failed to select a new
Rate Option to be applicable to such Eurodollar Rate Advance, or to repay such
Eurodollar Rate Advance in full, then such Eurodollar Rate Advance shall be
automatically converted to a Floating Rate Advance on and after the last day of
such Interest Period until paid or until the effective date of a new Rate
Option with respect thereto selected by the Company in accordance with this
Section 2.8.  The Company may not select the Eurodollar Rate for an outstanding
Advance if there exists a Default or Unmatured Default hereunder.  The Company
shall select Interest Periods with respect





                                      9
<PAGE>   16

to Eurodollar Rate Advances which do not end after the Termination Date.

     Each Floating Rate Advance shall bear interest at the Floating Rate prior
to maturity, whether by acceleration or otherwise.

     2.9.  Method of Funding.  Not later than (i) 1:00 p.m. (Chicago time) on
each Credit Extension Date for a Floating Rate Advance and (ii) 12:00 noon
(Chicago time) on each Credit Extension Date for a Eurodollar Rate Advance,
each Lender shall make available its Loan or Loans, in funds immediately
available in Chicago, to the Administrative Agent at its location specified
pursuant to Article XII.  The Administrative Agent will make the funds so
received from the Lenders available to the Company at the Administrative
Agent's aforesaid address; provided that to the extent that a Loan made by a
Lender matures on the Credit Extension Date of a requested Loan, such Lender
shall apply the proceeds of the Loan it is then making to the repayment of the
maturing Loan.

     2.10.  Minimum Amount of Each Credit Extension.  Each Eurodollar Rate
Advance (including Advances resulting from interest rate conversions pursuant
to Section 2.8) shall be in the minimum amount of $3,000,000 and in an integral
multiple of $1,000,000 if in excess thereof; each Floating Rate Advance
(including Advances resulting from interest rate conversions pursuant to
Section 2.8) shall be in the minimum amount of $2,000,000 and in an integral
multiple of $1,000,000 in excess thereof; provided that any Floating Rate
Advance may be in the amount of the unused Commitment.  Each Letter of Credit
shall be in a minimum initial stated amount of $100,000.

     2.11.  Rate After Maturity.  Any Advance or any reimbursement obligation
with respect to a Letter of Credit which is not paid at maturity, whether by
acceleration or otherwise, and, to the extent permitted by law, any interest
accrued but unpaid thereon, shall bear interest until paid in full at a rate
per annum from time to time equal to the Alternate Reference Rate plus 2% per
annum, payable upon demand; provided that, prior to the end of the Interest
Period then applicable thereto, a Eurodollar Rate Advance shall bear interest
until the last day of such Interest Period (or until paid, if paid sooner) at a
rate per annum equal to the interest rate otherwise applicable thereto plus 2%
per annum, payable upon demand.

     2.12.  Method of Payment.  All payments of principal, interest, fees and
other Obligations hereunder shall be made in immediately available funds to the
Administrative Agent at the Administrative Agent's location specified pursuant
to Article XII or at any other Lending Installation of the Administrative Agent
specified in writing by the Administrative Agent to the Credit Party by 12:00
noon (Chicago time) on the date when due and shall





                                    10
<PAGE>   17

be made ratably among the Lenders (except as otherwise specified herein)
entitled thereto.  Each payment delivered to the Administrative Agent for the
account of any Lender or the LC Issuer shall be delivered promptly by the
Administrative Agent to such Lender or the LC Issuer in the same type of funds
which the Administrative Agent received at its address specified pursuant to
Article XII or at any Lending Installation specified in a notice received by
the Administrative Agent from such Lender.  The Administrative Agent is hereby
authorized to charge the account of the Company maintained with BofA and/or
Bank of America Illinois for each payment of principal, interest and fees as it
becomes due hereunder.

     2.13.  Notes; Telephonic Notices.  Each Lender is hereby authorized to
record the principal amount of each Loan and each repayment thereof on the
schedule attached to its Note; provided that the failure to so record, or any
error in so recording, shall not affect the Company's obligations under such
Note.  Notwithstanding any other provision of this Agreement to the contrary,
the Company hereby authorizes the Lenders and the Administrative Agent to make
Advances (other than requests for the issuance of Letters of Credit, which
require a written LC Notice) and effect Rate Option selections based on
telephonic notices made by any person or persons the Administrative Agent or
any Lender reasonably believes to be acting on behalf of the Company.  The
Company agrees to deliver promptly to the Administrative Agent a written
confirmation of each telephonic notice signed by an Authorized Officer.  If the
written confirmation differs in any material respect from the action taken by
the Administrative Agent and the Lenders, the Administrative Agent shall
promptly notify the Company of such fact; provided that the action taken by the
Administrative Agent and the Lenders shall, to the extent it reflects the
telephonic notice given by the Company (the contents of which telephonic notice
shall be deemed to be as set forth in the records of the Administrative Agent
absent manifest error), remain in full force and effect.

     2.14.  Interest Payment Dates; Interest Basis.  Interest accrued on each
Eurodollar Rate Advance shall be payable on the last day of its applicable
Interest Period, except that in the case of each Eurodollar Rate Advance having
an Interest Period longer than three months interest shall also be payable on
the last day of each three-month interval during such Interest Period.
Interest accrued on each Floating Rate Advance shall be payable on each
Quarterly Payment Date, commencing with the first Quarterly Payment Date after
the Closing Date.  In addition, interest accrued on each Advance shall also be
payable (i) on any date on which such Advance (if such Advance is a Eurodollar
Rate Advance) is prepaid (to the extent of the principal amount thereof
prepaid), (ii) upon the maturity of such Advance, whether due to acceleration
or otherwise and (iii) after the maturity of such Advance, whether due to





                                    11
<PAGE>   18

acceleration or otherwise, upon demand.  Interest and commitment fees shall be
calculated for actual days elapsed on the basis of a 360-day year.  Interest
shall be payable for the day an Advance is made but not for the day of any
payment on the amount paid if payment is received prior to 12:00 noon (Chicago
time) at the place of payment.  If any payment of principal of or interest on
an Advance shall become due on a day which is not a Business Day, such payment
shall be made on the next succeeding Business Day and, in the case of a
principal payment, such extension of time shall be included in computing
interest in connection with such payment.

     2.15.  Notification of Credit Extensions, Interest Rates, Prepayments and
Commitment Reductions.  Promptly after receipt thereof, the Administrative
Agent will notify each Lender of the contents of each Commitment Reduction
Notice, each Borrowing Notice, each LC Notice, each Rate Conversion Notice,
each notice from an LC Issuer for reimbursement of a drawing, and each
repayment notice received by it hereunder.  The Administrative Agent will
notify each Lender of the interest rate applicable to each Eurodollar Rate
Advance promptly upon determination of such interest rate and will give each
Lender prompt notice of each change in the Reference Rate.

     2.16.  Lending Installations.  Each Lender may book any of its Loans or LC
Liabilities at any Lending Installation selected by such Lender and may change
its Lending Installation(s) from time to time.  All terms of this Agreement
shall apply to any such Lending Installation(s) and the Notes shall be deemed
held by each Lender for the benefit of each such Lending Installation.  Each
Lender may, by written or telex notice to the Administrative Agent and the
Company, designate a Lending Installation or Installations through which Loans
will be made by it or Letters of Credit will be issued or participated in by it
and for whose account Loan payments and payments on LC Liabilities are to be
made.

     2.17.  Non-Receipt of Funds by the Administrative Agent.  Unless the
Company or a Lender, as the case may be, notifies the Administrative Agent
prior to 10:00 a.m. (Chicago time) on the Business Day next preceding the date
on which it is scheduled to make payment to the Administrative Agent of (i) in
the case of a Lender, the proceeds of a Loan or (ii) in the case of the
Company, a payment of principal, interest or fees to the Administrative Agent
for the account of the Lenders, that it does not intend to make such payment,
the Administrative Agent may assume that such payment has been made.  The
Administrative Agent may, but shall not be obligated to, make the amount of
such payment available to the intended recipient in reliance upon such
assumption.  If such Lender or the Company, as the case may be, has not in fact
made such payment to the Administrative Agent, the recipient of such payment
shall, on demand by the Administrative Agent, repay to the Administrative Agent
the amount so made available together with





                                    12
<PAGE>   19

interest thereon in respect of each day during the period commencing on the
date such amount was so made available by the Administrative Agent until the
date the Administrative Agent recovers such amount at a rate per annum equal to
(i) in the case of payment by a Lender, the Federal Funds Effective Rate for
such day or (ii) in the case of payment by the Company, the non-default
interest rate applicable to the relevant Loan.

     2.18.  Withholding Tax Exemption.  At least five Business Days prior to
the first date on which interest or fees are payable hereunder for the account
of any Lender that is not incorporated under the laws of the United States of
America, or a state thereof, such Lender agrees that it will have delivered to
each of the Company and the Administrative Agent two duly completed copies of
United States Internal Revenue Service Form 1001 or 4224, certifying in either
case that such Lender is entitled to receive payments under this Agreement and
the Notes without deduction or withholding of any United States federal income
taxes.  Each Lender which so delivers a Form 1001 or 4224 further undertakes to
deliver to each of the Company and the Administrative Agent two additional
copies of such form (or a successor form) on or before the date that such form
expires (currently, three successive calendar years for Form 1001 and one
calendar year for Form 4224) or becomes obsolete or after the occurrence of any
event requiring a change in the most recent forms so delivered by it, and such
amendments thereto or extensions or renewals thereof as may be reasonably
requested by the Company or the Administrative Agent, in each case certifying
that such Lender is entitled to receive payments under this Agreement and the
Notes without deduction or withholding of any United States federal income
taxes, unless an event (including any change in treaty, law or regulation) has
occurred prior to the date on which any such delivery would otherwise be
required which renders all such forms inapplicable or which would prevent such
Lender from duly completing and delivering any such form with respect to it and
such Lender advises the Company and the Administrative Agent that it is not
capable of receiving payments without any deduction or withholding of United
States federal income tax.

                                  ARTICLE III

                            CHANGE IN CIRCUMSTANCES

     3.1.  Yield Protection.  If any present or future law or any governmental
rule, regulation, policy, guideline or directive (whether or not having the
force of law) or any interpretation thereof (each a "Regulatory Requirement"),
or compliance by the Company or any Lender (which term, for the purposes of
this Section 3.1, shall be deemed to include the LC Issuer) with any such
Regulatory Requirement,





                                    13
<PAGE>   20


         (i)  subjects any Lender or any applicable Lending Installation to any
     tax, duty, charge or withholding on or from payments due from a Credit
     Party (excluding taxation of the net income of any Lender or any Lending
     Installation and franchise taxes assessed by the jurisdiction in which any
     Lender maintains its principal place of business), or changes the basis of
     taxation of payments to any Lender in respect of its Credit Extensions or
     other amounts due it hereunder, or

         (ii)  imposes or increases or deems applicable any reserve,
     assessment, insurance charge, special deposit or similar requirement
     against assets of, deposits with or for the account of, or credit extended
     by, any Lender or any applicable Lending Installation (excluding reserves
     and assessments taken into account in determining the interest rate
     applicable to Eurodollar Rate Advances), or

         (iii)  imposes any other condition the result of which is to increase
     the cost to any Lender or any applicable Lending Installation of making,
     funding or maintaining Loans or Letters of Credit, or reduces any amount
     receivable by any Lender or any applicable Lending Installation in
     connection with Loans or Letters of Credit, or requires any Lender or any
     applicable Lending Installation to make any payment calculated by
     reference to the amount of Loans or Letters of Credit held or interest
     received by it, by an amount reasonably deemed material by such Lender, or

         (iv)  affects the amount of capital required or expected to be
     maintained by any Lender, its Lending Installation or any corporation
     controlling any Lender and has or would have the effect of reducing the
     rate of return on capital of such Lender, Lending Installation or
     corporation controlling such Lender as a consequence of such Lender's
     obligations hereunder to a level below that which such Lender, Lending
     Installation or corporation controlling such Lender could have achieved
     but for such Regulatory Requirement (taking into consideration its
     policies with respect to capital adequacy), by an amount reasonably deemed
     by such Lender, Lending Installation or corporation controlling such
     Lender to be material, it being understood that this clause (iv) shall
     apply, without limitation, to the effects of compliance with the
     Risk-Based Capital Guidelines of the Federal Reserve System set forth in
     12 C.F.R. Parts 208 and 225 and the Risk-Based Capital Guidelines of the
     Comptroller of the Currency, Department of the Treasury, set forth in 12
     C.F.R. Part 3;

then the Company agrees to pay such Lender, within 15 days of demand by such
Lender, that portion of such increased expense incurred or reduction in an
amount received which such Lender





                                    14
<PAGE>   21

reasonably determines is attributable to making, funding and maintaining its
ratable share of the Credit Extensions, or participations therein, and its
Commitment.

     3.2.  Availability of Rate Options.  If (i) any Lender determines that
maintenance of its Eurodollar Rate Loans at a suitable Lending Installation
would violate any Regulatory Requirement and notifies the Administrative Agent
of such determination or (ii) if the Required Lenders determine (and notify the
Administrative Agent of such determination) that (a) deposits of a type and
maturity appropriate to match fund Eurodollar Rate Advances are not available
or (b) a Rate Option does not accurately reflect the cost of making or
maintaining an Advance at such Rate Option, then the Administrative Agent shall
suspend the availability of the affected Rate Option and, in the case of clause
(i) to the extent required by such Regulatory Requirement and clause (ii)(b)
only, require any outstanding Eurodollar Rate Advances to be promptly repaid or
converted to an unaffected Rate Option.

     3.3.  Funding Indemnification.  If any payment of a Eurodollar Rate
Advance occurs on a date which is not the last day of the applicable Interest
Period, whether because of acceleration, conversion, prepayment or otherwise,
or a Eurodollar Rate Advance is not made on the date specified by the Company
for any reason other than default by the Lenders, or a Floating Rate Advance is
not converted to a Eurodollar Rate Advance on the date specified by the Company
for any reason other than default by the Lenders, the Company agrees to
indemnify each Lender for any loss or cost incurred by it resulting therefrom,
including any loss or cost in liquidating or employing deposits acquired to
fund or maintain the Advance.

     3.4.  Lender Certificates; Survival of Indemnity.  To the extent
reasonably possible, each Lender shall designate an alternate Lending
Installation with respect to its Eurodollar Rate Loans to reduce any liability
of the Company to such Lender under Section 3.1 or to avoid the unavailability
of a Rate Option under Section 3.2, so long as such designation is not
disadvantageous to such Lender.  A certificate of a Lender as to the amount due
under Section 3.1 or 3.3 shall be final, conclusive and binding on the Company
in the absence of manifest error.  Determination of amounts payable under such
Sections in connection with a Eurodollar Rate Loan shall be calculated as
though each Lender funded its Eurodollar Rate Loan through the purchase of a
deposit of the type and maturity corresponding to the deposit used as a
reference in determining the Eurodollar Rate applicable to such Loan, whether
in fact that is the case or not.  Unless otherwise provided herein, the amount
specified in the certificate shall be payable on demand after receipt by the
Company of the certificate.  The obligations





                                    15
<PAGE>   22

of the Company under Sections 3.1 and 3.3 shall survive payment of the
Obligations and termination of this Agreement.

                                   ARTICLE IV

                              CONDITIONS PRECEDENT

     4.1.  Closing Date.  This Agreement shall be and become effective on the
date (the "Closing Date") on which (i) the Company, the Lenders, and the
Administrative Agent shall have executed and delivered this Agreement, (ii) the
Credit Parties have furnished the Closing Documents to the Administrative Agent
(other than Closing Documents which shall have been previously furnished to the
Lenders), with sufficient copies (other than of the Notes) for each of the
Lenders, and (iii) the Closing Effectiveness Events shall have occurred.

     4.2.  Each Credit Extension.  No Lender shall be required to make any
Loan, and no LC Issuer shall be required to issue any Letter of Credit, unless
on the applicable Credit Extension Date (both before and after giving effect to
such Credit Extension):

         (a)  there exists no Default or Unmatured Default;

         (b)  the representations and warranties contained in Section 5.1 and
     in the other Credit Documents are true and correct in all material
     respects as of such Credit Extension Date;

         (c)  with respect to Advances only, the Company shall have duly
     furnished a Borrowing Notice therefor to the Administrative Agent pursuant
     to Section 2.8; and

         (d)  with respect to Letters of Credit only, the Company shall have
     duly furnished an LC Notice therefor to the LC Issuer and the
     Administrative Agent pursuant to Section 2.2(b).

     Each Credit Extension shall be deemed to constitute a representation and
warranty by the Company that, as of the applicable Credit Extension Date, the
statements set forth in clauses (a) and (b) of this Section 4.2 are true and
correct.

                                   ARTICLE V

                         REPRESENTATIONS AND WARRANTIES

     5.1.  Representations and Warranties of the Company.  The Company
represents and warrants to the Agents, the Arrangers, the LC Issuers and the
Lenders that:





                                    16
<PAGE>   23


         (a)  Corporate Existence and Standing.  Each of the Company and its
     Subsidiaries is a corporation or limited liability company duly
     incorporated or organized, validly existing and in good standing under the
     laws of its jurisdiction of incorporation and has all requisite authority
     to conduct its business in each jurisdiction in which its business is
     conducted and where failure to have or maintain such authority has
     resulted in or may reasonably be expected to result in a MAC.

         (b)  Authorization and Validity.  The Company and each Subsidiary has
     the corporate power and authority and legal right to execute and deliver
     the Credit Documents to which it is a party and to perform its obligations
     thereunder.  The execution and delivery by the Company and the
     Subsidiaries of each of the Credit Documents to which it is a party and
     the performance of its obligations thereunder have been duly authorized by
     proper corporate or other proceedings, and the Credit Documents constitute
     legal, valid and binding obligations of the Company and the Subsidiaries
     enforceable against the Company and the Subsidiaries in accordance with
     their respective terms.  This Agreement has been duly executed and
     delivered by the Company.

         (c)  No Conflict; Governmental Consent.  Neither the execution and
     delivery by the Company and its Subsidiaries of the Credit Documents, nor
     the consummation of the transactions therein contemplated, nor compliance
     with the provisions thereof will violate any law, rule, regulation, order,
     writ, judgment, injunction, decree or award binding on the Company or any
     Subsidiary or the Company's or any Subsidiary's articles or certificate of
     incorporation or by-laws or the provisions of any indenture, instrument or
     agreement to which the Company or any Subsidiary is a party or is subject,
     or by which it, or its property, is bound, or conflict with or constitute
     a default thereunder, or result in the creation or imposition of any Lien
     in, of or on the property of the Company or a Subsidiary pursuant to the
     terms of any such indenture, instrument or agreement.  No order, consent,
     approval, license, authorization, or validation of, or filing, recording
     or registration with, or exemption by, any governmental or public body or
     authority, or any subdivision thereof, including, without limitation, the
     Federal Energy Regulatory Commission and the Securities and Exchange
     Commission, is required to authorize, or is required in connection with
     the execution, delivery and performance of, or the legality, validity,
     binding effect or enforceability of, any of the Credit Documents, other
     than such as have been obtained and are in full force and effect.





                                    17
<PAGE>   24


         (d)  Financial Statements.  The December 31, 1996 audited consolidated
     financial statements of the Company and its Subsidiaries heretofore
     delivered to the Lenders were prepared in accordance with GAAP and fairly
     present the consolidated financial condition and operations of the Company
     and its Subsidiaries at such date and the consolidated results of their
     operations for the period then ended in accordance with GAAP.

         (e)  Absence of Material Adverse Change.  Since December 31,
     1996, there has been no MAC.

         (f)  Taxes.  The Company and its Subsidiaries have filed all United
     States federal tax returns and all other tax returns which are required to
     be filed and have paid all taxes due pursuant to such returns or pursuant
     to any assessment received by the Company or any Subsidiary, except such
     taxes, if any, as are being contested in good faith and as to which
     adequate reserves have been provided or for which the Company is fully
     indemnified by Shell Oil Company or British Petroleum Company.  Except as
     set forth in Item 5.1(f) ("Current Tax Audits") of the Disclosure Schedule
     the United States income tax returns of the Company and the Existing
     Subsidiaries have been audited by the Internal Revenue Service through the
     1992 Fiscal Year.  Except as set forth in Item 5.1(f) ("Tax Liens") of the
     Disclosure Schedule, no tax liens have been filed and no claims are being
     asserted with respect to any such taxes.  The charges, accruals and
     reserves on the books of the Company and the Existing Subsidiaries in
     respect of any taxes or other governmental charges are adequate, in
     accordance with GAAP.

         (g)  Litigation.  Except as set forth in Item 5.1(g) ("Existing
     Litigation") of the Disclosure Schedule, there is no litigation or
     proceeding pending or, to the knowledge of any of their officers,
     threatened against or affecting the Company or any Subsidiary which has
     resulted in or could reasonably be expected to result in a MAC.

         (h)  Subsidiaries.  Item 5.1(h) ("Existing Subsidiaries") of the
     Disclosure Schedule or a revised Item 5.1(h), if applicable, which may be
     revised from time to time by the Company, contains an accurate list of all
     of the presently existing Subsidiaries of the Company (other than Paragon
     Coal International, Inc., a Delaware corporation, which is in the process
     of being dissolved), setting forth their respective jurisdictions of
     incorporation and the percentage of their respective issued and
     outstanding capital stock owned by the Company or other Subsidiaries.  All
     of the issued and outstanding shares of capital stock of such Subsidiaries
     have been duly authorized and issued and are fully paid and
     non-assessable.





                                    18
<PAGE>   25


         (i)  ERISA.  The Unfunded Liabilities of all Plans do not in the
     aggregate exceed $5,000,000.  The Company, each Subsidiary and each ERISA
     Affiliate have satisfied the minimum funding standards under ERISA and the
     Internal Revenue Code with respect to each Plan and have not failed to
     make any contribution or payment to any Plan or Multiemployer Plan.  Each
     Plan complies in all material respects with all applicable requirements of
     law and regulations.  No Reportable Event or Termination Event has
     occurred or is reasonably expected to occur with respect to any Plan, and,
     to the best knowledge of the Company after due inquiry, no Termination
     Event has occurred or is reasonably expected to occur with respect to any
     Multiemployer Plan and no such Reportable Event or Termination Event will
     result in or is reasonably expected to result in a MAC.  Neither the
     Company, any Subsidiary nor any ERISA Affiliate has withdrawn from any
     Plan or Multiemployer Plan or initiated steps to do so whereby such action
     will result in or is reasonably expected to result in a MAC.  Neither the
     Company, any Subsidiary nor any ERISA Affiliate has incurred nor
     reasonably expects to incur any material withdrawal liability under ERISA
     to any Multiemployer Plan.

         (j)  Accuracy of Information; Subsidiary Representations.  The
     information, exhibits and reports furnished by the Company and the
     Subsidiaries to the Administrative Agent or to any Lender in connection
     with the negotiation of the Credit Documents do not, taken as a whole,
     contain any material misstatement of fact or omit to state a material fact
     or any fact necessary to make the statements contained therein not
     misleading.  All representations and warranties made by the Subsidiaries
     in the Subsidiary Guaranties are true and correct in all material respects
     and do not contain any material misstatement of fact or omit to state a
     material fact or any fact necessary to make the statements contained
     therein not misleading.

         (k)  Regulation U.  Margin stock (as defined in Regulation U)
     constitutes less than 25% of those assets of the Company and its
     Subsidiaries which are subject to any limitation on sale or pledge, or any
     other restriction hereunder.

         (l)  Material Agreements.  Except as set forth in Item 5.1(1)
     ("Material Agreements/Default") of the Disclosure Schedule, neither the
     Company nor any Subsidiary is in default in the performance, observance or
     fulfillment of any of the obligations, covenants or conditions contained
     in (i) any agreement to which it is a party, which default has resulted in
     or could reasonably be expected to result in a MAC or (ii) any agreement
     or instrument evidencing or governing any





                                    19
<PAGE>   26

     Indebtedness with an aggregate principal amount in excess of $10,000,000.

         (m)  Compliance With Laws.  The Company and its Subsidiaries have
     complied in all material respects with all applicable laws, rules,
     regulations, orders and restrictions of any domestic or foreign government
     or any instrumentality or agency thereof having jurisdiction over the
     conduct of their respective businesses or the ownership of their
     respective properties, including SMCRA and any other applicable mining or
     health and safety legislation.  Neither the Company nor any Subsidiary has
     received any notice to the effect that its operations are not in material
     compliance with any of the requirements of applicable federal, state and
     local mining or health and safety statutes and regulations which
     non-compliance or remedial action has resulted in or could reasonably be
     expected to result in a MAC.

         (n)  Environmental Matters.  Except as set forth in Item 5.1(n)
     ("Environmental Matters") of the Disclosure Schedule:

              (i)  all facilities and property (including underlying
         groundwater) owned or leased by the Company or any of its Subsidiaries
         have been, and continue to be, owned or leased by the Company and its
         Subsidiaries in material compliance with all Environmental Laws;

              (ii)  there are no pending or, to the best knowledge of the
         Company after reasonable inquiry, threatened claims, complaints,
         notices or requests for information received by or inquiries to the
         Company or any of its Subsidiaries with respect to any alleged
         violation of or potential liability under any Environmental Law, which
         has resulted in or could reasonably be expected to result in a MAC;

              (iii)  there have been no Releases of Hazardous Materials at, on
         or under any property now or previously owned or leased by the Company
         or any of its Subsidiaries that have resulted in or could reasonably
         be expected to result in a MAC;

              (iv)  the Company and its Subsidiaries have obtained and are in
         material compliance with all permits, certificates, approvals,
         licenses and other authorizations relating to environmental matters
         and necessary for their businesses;





                                    20
<PAGE>   27


              (v)  to the best knowledge of the Company after reasonable
         inquiry, no property now or previously owned or leased by the Company
         or any of its Subsidiaries is listed or proposed by regulation for
         listing (with respect to owned property only) on the National
         Priorities List pursuant to CERCLA, or is listed on CERCLIS or on any
         similar state list of sites requiring investigation or clean-up;

              (vi)  there are no underground storage tanks, active or
         abandoned, including petroleum storage tanks, on or under any property
         now or previously owned or leased by the Company or any of its
         Subsidiaries that have resulted in or could reasonably be expected to
         result in a MAC;

              (vii)  to the best knowledge of the Company after reasonable
         inquiry, neither the Company nor any Subsidiary has directly
         transported or directly arranged for the transportation of any
         Hazardous Material to any location which is listed or proposed by
         regulation for listing on the National Priorities List pursuant to
         CERCLA, or is listed on CERCLIS or on any similar state list or which
         is the subject of federal, state or local enforcement actions or other
         investigations of any of the foregoing which may reasonably be
         expected to lead to material claims against the Company or such
         Subsidiary thereof for any remedial work, damage to natural resources
         or personal injury, including claims under CERCLA; and

              (viii)  there are no polychlorinated biphenyls or friable
         asbestos present at any property now or previously owned or leased by
         the Company or any Subsidiary of the Company that have resulted in or
         could reasonably be expected to result in a MAC.

         (o)  Liens.  All assets and property of the Credit Parties are free of
     all Liens of third parties whatsoever other than Permitted Liens.

         (p)  Status Under Certain Federal Statutes.  Neither the Company nor
     any Subsidiary Guarantor is (i) subject to regulation under the Public
     Utility Holding Company Act of 1935, as amended, as an "electric utility
     company", a "public-utility company" or a "holding company" as defined in
     Sections 2(a)(3), 2(a)(5) and 2(a)(7) thereof, 15 U.S.C. Section
     79b(a)(3), (5) and (7), or (ii) an "investment company", or a company
     "controlled" by an "investment company", within the meaning of the
     Investment Company Act of 1940, as amended.  Neither the Company nor any
     Subsidiary of the Company is a "rail carrier",





                                    21
<PAGE>   28

     or a "person controlled by or affiliated with a rail carrier", within the  
     meaning of Title 49, U.S.C., or a "carrier" to which 49 U.S.C.  Section
     11301(b)(1) is applicable.

         (q)  Black Lung Liabilities.  The Company and its Subsidiaries
     maintain adequate reserves under GAAP for future costs associated with any
     lung disease claim alleging pneumoconiosis or silicosis or arising out of
     exposure or alleged exposure to coal dust or the coal mining environment.
     Such reserves are not less than those required by GAAP.


                                   ARTICLE VI

                                   COVENANTS

     During the term of this Agreement, unless the Required Lenders shall
otherwise consent in writing:

     6.1.  Financial Reporting.  The Company will maintain, for itself and each
Subsidiary, a system of accounting established and administered in accordance
with GAAP, and furnish to the Lenders:

         (a)  Within 90 days after the close of each Fiscal Year, an audit
     report not qualified in any material respect by independent certified
     public accountants acceptable to the Administrative Agent, prepared in
     accordance with GAAP on a consolidated basis for itself, including balance
     sheets as of the end of such period, related statements of income,
     statements of cash flows and statements of changes in stockholders' equity
     (together with, on a consolidating basis, balance sheets as of the end of
     such period and related statements of income, which consolidating
     statements need not be certified by such accountants), accompanied by any
     management letter prepared by said accountants, by a certificate of such
     accountants that, in the course of their examination necessary for their
     certification of the foregoing, they have obtained no knowledge of any
     Default or Unmatured Default, or if, in the opinion of such accountants,
     any Default or Unmatured Default shall exist, stating the nature and
     status thereof.

         (b)  Within 45 days after the close of the first three Fiscal Quarters
     of each Fiscal Year, for itself and the Subsidiaries, unaudited
     consolidated balance sheets as at the close of each such period and
     related statements of income, statements of cash flows and statements of
     changes in stockholders' equity for the period from the beginning of such
     Fiscal Year to the end of such Fiscal Quarter (together with, on a
     consolidating basis, balance sheets as of the end of such





                                    22
<PAGE>   29

     period and related statements of income), all certified by its chief
     financial  officer, treasurer or vice president-finance.

         (c)  Together with the financial statements required hereunder, a
     compliance certificate, substantially in the form of Exhibit H, signed by
     its chief financial officer, treasurer or vice president-finance showing
     the calculations necessary to determine compliance with Sections 6.13,
     6.14, 6.15(k), 6.20, 6.21 and 6.27 of this Agreement and stating that no
     Default or Unmatured Default exists, or if any Default or Unmatured
     Default exists, stating the nature and status thereof.

         (d)  Within 270 days after the close of each Fiscal Year, a statement
     of the Unfunded Liabilities of each Single Employer Plan, certified as
     correct by an actuary enrolled under ERISA.

         (e)  As soon as possible and in any event within 10 days after the
     Company or any Subsidiary knows that any Reportable Event or any
     Termination Event has occurred with respect to any Plan or any
     Multiemployer Plan, a statement, signed by the chief financial officer,
     treasurer or vice president-finance of the Company, describing said
     Reportable Event or Termination Event and the action, if any, which the
     Company, any Subsidiary or any ERISA Affiliate proposes to take with
     respect thereto, together with a copy of any notice of such Reportable
     Event or Termination Event furnished to the PBGC.

         (f)  As soon as possible and in any event within 21 days after receipt
     by the Company or any Subsidiary, a copy of (i) any written notice, claim
     or complaint to the effect that or inquiry regarding the fact that the
     Company or any Subsidiary is or may be liable to any Person as a result of
     the release by the Company, any of its Subsidiaries or any other Person of
     any Hazardous Material into the environment,  and (ii) any notice or
     complaint alleging or inquiry regarding any violation of or liability
     under any Environmental Law or any mining or health and safety legislation
     by the Company or any Subsidiary, which violation or liability, in the
     case of either clause (i) or (ii) hereof, has resulted in or could be
     reasonably expected to result in a MAC.

         (g)  Promptly upon the furnishing thereof to the shareholders of the
     Company, copies of all financial statements, reports and proxy statements
     so furnished.

         (h)  Promptly upon the filing thereof, copies of all registration
     statements and annual, quarterly, monthly or





                                    23
<PAGE>   30

     other regular reports which the Company or any Subsidiary files with the   
     Securities and Exchange Commission.

         (i)  Within 30 days after the close of each Fiscal Year, an operating
     plan and budget for the succeeding Fiscal Year (the "Operating Plan and
     Budget"), including a forecast of income and cash flows, reasonable
     details regarding the major assumptions forming the basis for such
     Operating Plan and Budget and the annual mining plan (including
     calculations regarding the reserve positions of the Company and the
     Subsidiaries), all certified by its chief financial officer, treasurer or
     vice president-finance.

         (j)  Within 45 days after the end of each Fiscal Year, a certificate
     of an independent insurance broker or other evidence satisfactory to the
     Administrative Agent setting forth the nature and extent of all insurance
     maintained by the Company and its Subsidiaries.

         (k)  Within 45 days after the close of each Fiscal Quarter, a
     certificate of the Company's independent certified public accountants, or
     other independent certified public accountants, acceptable to the
     Administrative Agent as to the fairness, in all material respects, of the
     statement of Value at Risk of EnerZ Corporation during such Fiscal
     Quarter.

         (l)  Such other information (including non-financial information) as
     the Administrative Agent or any Lender may from time to time reasonably
     request.

     6.2.  Use of Proceeds.  The Company will use the proceeds of Advances to
refinance the Institutional Notes and the obligations under the Existing Credit
Agreement and for general corporate purposes of the Company, including to repay
Indebtedness of the Company or its Subsidiaries (including interest and
prepayment premiums), to provide for the working capital needs of the Company
and its Subsidiaries, and for Acquisitions and other Investments permitted
hereunder.  The Company will use Letters of Credit for general corporate
purposes of the Company and its Subsidiaries including workers compensation
insurance, for reclamation liabilities and in support of industrial revenue
bonds.  Notwithstanding the foregoing, the Company will not use any of the
proceeds of the Credit Extensions to purchase or carry any "margin stock" (as
defined in Regulation U).

     6.3.  Notice of Default.  The Company will, and will cause each Subsidiary
to, give prompt notice in writing to the Lenders of the occurrence of any
Default or Unmatured Default and of any other development, financial or
otherwise, which has resulted in or which may reasonably be expected to result
in a MAC.





                                    24
<PAGE>   31


     6.4.  Conduct of Business.  The Company will, and will cause each
Subsidiary to, (a) carry on and conduct its business only in the lines of
business contemplated by the Company's 1997 Budget and Five Year Plan (namely,
Fuel Supply, Power, Environmental Technology and Asset Management) and (b)
except as permitted by Section 6.12, do all things necessary to remain duly
incorporated or organized, validly existing and in good standing as a
corporation or limited liability company in its jurisdiction of organization
and maintain all requisite authority to conduct its business in each
jurisdiction in which its business is conducted and as to which the failure to
maintain such requisite authority may reasonably be expected to result in a
MAC.

     6.5.  Taxes.  The Company will, and will cause each Subsidiary to, pay
when due all taxes, assessments and governmental charges and levies upon it or
its income, profits or property; provided, that as to any such taxes,
assessments and governmental charges that are being promptly contested in good
faith by appropriate proceedings promptly initiated and diligently conducted
and as to which adequate reserves in accordance with GAAP have been established
the same shall be paid promptly after the final determination of such contest,
together with any interest and penalty payable in connection therewith.

     6.6.  Insurance.  The Company will, and will cause each Subsidiary to,
carry with financially sound and reputable insurance companies and in amounts
reasonably satisfactory to the Administrative Agent, insurance on all their
property in such amounts and covering such risks as is consistent with sound
business practice for companies similarly situated and in the same or similar
businesses.  Without limiting the foregoing, the Company shall maintain primary
general liability insurance in an amount not less than $1,000,000 per
occurrence and an aggregate amount of not less than $2,000,000 and excess
general liability insurance in an aggregate amount of not less than
$50,000,000.  Any insurance may be subject to co-insurance, deductibility or
similar clauses which, in effect, result in self-insurance of certain losses,
provided that such self-insurance under the insurance referred to above is in
accord with the general practices of corporations similarly situated and
adequate insurance reserves are maintained in connection with such
self-insurance.  The Company will furnish to any Lender upon request full
information as to all insurance carried by the Company or any Subsidiary.

     6.7.  Compliance with Laws.  The Company will, and will cause each
Subsidiary to, comply in all material respects with all laws, rules,
regulations, orders, writs, judgments, injunctions, decrees or awards to which
it is subject.

     6.8.  Maintenance of Properties.  The Company will, and will cause each
Subsidiary to, do all things necessary to maintain,





                                    25
<PAGE>   32

preserve, protect and keep its properties necessary for the conduct of its
business in good repair, working order and condition (allowing, in the case of
equipment, fixtures and improvements for ordinary wear and tear to the extent
not preventable or remediable by regular maintenance), and make all necessary
and proper repairs, renewals and replacements so that its business carried on
in connection therewith may be properly conducted at all times, it being
understood that this Section shall not prohibit closings of mines or other
facilities, from time to time, to the extent that such closings have not
resulted in, or could not reasonably be expected to result in, a MAC.

     6.9.  Inspection.  The Company will, and will cause each Subsidiary to,
permit any Lender, by its representatives and agents, to inspect any of the
properties, corporate books and financial records of the Company and each
Subsidiary, to examine and make copies of the books of accounts and other
financial records of the Company and each Subsidiary, and to discuss the
affairs, finances and accounts of the Company and each Subsidiary with, and to
be advised as to the same by, their respective officers and accountants, in
each case at such reasonable times and intervals as such Lender may designate.

     6.10.  Restricted Payments.  The Company will not, nor will it permit any
Subsidiary to, declare or pay any dividends on its capital stock (other than
dividends payable in its own capital stock) or redeem, repurchase or otherwise
acquire or retire any of its capital stock or rights to acquire its capital
stock at any time outstanding (collectively, "Restricted Payments"); provided
that:

     (a) any Subsidiary may declare and pay dividends and other payments to the
         Company or such Subsidiary's parent; and

     (b) the Company may so long as, at the time of each such payment by the
         Company both before and after giving effect thereto no Default or
         Unmatured Default exists, pay or make Restricted Payments.

     6.11.  Indebtedness.  The Company will not, nor will it permit any
Subsidiary to, create, incur or suffer to exist any Indebtedness, except:

         (a) the Obligations,

         (b) additional Indebtedness of the Company or any Subsidiary so long
     as the following conditions are met:

              (i) both before and after giving effect to any proposed
         additional Indebtedness, the Company shall be





                                    26
<PAGE>   33

         in compliance with Sections 6.20 and 6.21, determined on a pro forma
         basis (in the case of the Funded Debt to EBITDA Ratio, as of the end
         of the Fiscal Quarter most recently ended as if such proposed
         additional Indebtedness were then outstanding) and taking into account
         in the case of any Acquisition in connection therewith, any cost
         savings or other reductions that in the good faith judgment of
         management of the Company (which estimate of cost savings or other
         reductions is approved in writing by the Required Lenders) will be
         realized within 270 days of such Acquisition,

              (ii) the covenants and defaults applicable in respect of such
         proposed additional Indebtedness are not, taken as a whole, materially
         more restrictive with respect to the Company or its Subsidiaries than
         the covenants and defaults under this Agreement, except that
         Indebtedness secured by Permitted Liens may have additional covenants
         that are customary for such financings (such as covenants on
         dispositions of the assets subject to the Permitted Liens),

              (iii) prior to the Company incurring any such additional
         Indebtedness in a principal amount in excess of $15,000,000 the
         Company shall provide to the Administrative Agent a certificate of an
         officer of the Company confirming that such additional Indebtedness
         satisfies the conditions set forth in the foregoing clauses (i) and
         (ii) (and showing the calculations of pro forma compliance under
         clause (i)), and

              (iv) in the case of any Indebtedness of a Subsidiary, the obligee
         thereof agrees and acknowledges, pursuant to documentation in the form
         of Exhibit J hereto or otherwise satisfactory to the Agents and
         enforceable by the Administrative Agent and the Lenders against such
         obligee, its successors and assigns, that the obligations of such
         Subsidiary in respect of such Indebtedness are not and shall not be
         senior to, and shall rank no better than pari passu with, the
         Obligations or such Subsidiary's obligations under its Subsidiary
         Guaranty and that such obligee, its successors and assigns agree not
         to challenge the validity or enforceability of such Subsidiary
         Guaranty,

         (c)  Indebtedness of [the Company and] Subsidiaries existing on the
     Closing Date and listed in Item 6.11 ("Existing Indebtedness") of the
     Disclosure Schedule (it being





                                    27
<PAGE>   34

     understood that such Indebtedness may include Indebtedness of up to
     $500,000 in aggregate principal amount as to which detailed information is
     not provided in Item 6.11 ("Existing Indebtedness") of the Disclosure 
     Schedule),

         (d)  Indebtedness of Subsidiaries owing to the Company and unsecured
     Indebtedness of any Subsidiary owing to any other Subsidiary, and

         (e)  Indebtedness of a Person existing prior to and at the time such
     Person becomes a Subsidiary, provided that such Indebtedness is not
     incurred in contemplation of such Person becoming a Subsidiary.

     6.12.  Merger.  The Company will not, nor will it permit any Subsidiary
to, merge or consolidate with or into any other Person; provided that, so long
as both before and after giving effect thereto no Default or Unmatured Default
exists, (i) any Subsidiary may merge with and into the Company or any other
wholly-owned Subsidiary, and any wholly-owned Subsidiary may be dissolved, with
its assets distributed to the Company or another wholly-owned Subsidiary, (ii)
any Person may be merged with or into, or consolidated with, the Company if the
Company is the surviving corporation, and confirms its continuing liability in
respect of the Obligations pursuant to documents in form and substance
satisfactory to the Administrative Agent and (iii) any Subsidiary may make any
Acquisition otherwise permitted by this Agreement by way of a merger so long as
such Subsidiary's obligations under its Subsidiary Guaranty are not limited or
impaired in any way as a result thereof.

     6.13.  Sale of Assets.  The Company will not, nor will it permit any
Subsidiary to, lease, sell or otherwise dispose of any property, assets or
business (including the sale or other disposal of any notes receivable or
accounts receivable, with or without recourse) to any other Person, including
any Subsidiary; provided that

            (a)  any Subsidiary may sell coal inventory,

            (b)  any Subsidiary may exchange (which term, as used in this 
     Section 6.13, includes sale and purchase within 120 days thereafter) used  
     equipment, vehicles or other tangible personal property plus cash for
     replacement equipment, vehicles or other tangible personal property of
     equal or greater value,

            (c)  any Subsidiary may (i) exchange real property on which neither
     the Company nor any Subsidiary is conducting active mining operations for
     other real property which is of equal or greater value, and (ii) make
     other dispositions of





                                    28
<PAGE>   35

     real property for fair value on which neither the Company nor any
     Subsidiary is conducting active mining operations, so long as the
     aggregate proceeds received from the disposition of property disposed of
     pursuant to this clause (ii) does not exceed $10,000,000 in any Fiscal
     Year,

         (d)  any Subsidiary may lease property as a lessor in the ordinary
     course of business or as contemplated by the 1997 Budget and Five Year
     Plan,

         (e)  any Subsidiary may make Dispositions to another wholly-owned
     Subsidiary,

         (f)  any Subsidiary may return unneeded equipment parts to a vendor or
     supplier thereof for credit,

         (g)  the Dispositions set forth on Schedule VI may be made,

         (h)  the Company and the Subsidiaries may make any Dispositions that
     constitute sale/leaseback transactions permitted under Section 6.14, and

         (i)  the Company or any Subsidiary may make a Disposition in addition
     to the other Dispositions permitted under this Section 6.13 if, both
     before and after giving effect to the proposed Disposition, no Default or
     Unmatured Default shall have occurred and be continuing, and the sum of
     the aggregate Disposition Net Proceeds from Dispositions occurring in the
     immediately preceding twelve calendar month period, plus the aggregate
     Disposition Net Proceeds from the proposed Disposition, is less than an
     amount equal to 10% of Total Capitalization as of the date of the most
     recent financial statements required to have been delivered pursuant to
     Section 6.1(a) and (b).

     6.14.  Leases and Off-Balance Sheet Financing.  The Company will not, nor
will it permit any Subsidiary to, engage in any (a) lease transactions (other
than leases of coal reserves) or (b) off-balance sheet transactions providing
the functional equivalent of borrowed money (including asset securitizations,
sale/leasebacks, Synthetic Leases or other non-capital leases), in excess of
$100,000,000 in the aggregate for the Company and its Subsidiaries at any one
time outstanding.

     6.15.  Investments and Acquisitions.  The Company will not, nor will it
permit any Subsidiary to, make or suffer to exist any Investments (including
loans and advances to, and other Investments in, Subsidiaries), or commitments
therefor, or to create any Subsidiary or to become or remain a partner in any
partnership or joint venture, or to make any Acquisition of any Person, except:





                                    29
<PAGE>   36


         (a)  Investments existing on the date hereof and set forth in Item
     6.15 ("Existing Investments") of the Disclosure Schedule or made after the
     date hereof in Subsidiaries (including the formation of new Subsidiaries
     but excluding Acquisitions of Subsidiaries and Acquisitions which result
     in the formation of new Subsidiaries); provided that the Company and such
     Subsidiary comply with Section 6.23;

         (b)  funds on deposit in demand deposit accounts not to exceed
     $500,000 in the aggregate at any one time outstanding;

         (c)  demand deposit accounts in addition to those described in the
     preceding clause (b) which are maintained with Lenders;

         (d)  certificates of deposit maturing in not more than one year issued
     by and time deposits with any bank or trust company organized or licensed
     under the laws of the United States and having capital, surplus and
     undivided profits of at least $100,000,000;

         (e)  commercial paper or demand notes maturing in not more than 270
     days for issuers having short-term debt ratings from at least two of
     Moody's, S&P, Duff & Phelps Credit Rating Co. and Fitch Investors Service,
     Inc. in the highest rating category (without regard to any refinement or
     gradation of rating category by numerical modifier or otherwise);

         (f)  guaranteed investment contracts with terms not to exceed ninety
     (90) days from insurance companies with short-term debt ratings from at
     least two of Moody's, S&P, Duff & Phelps Credit Rating Co. and Fitch
     Investors Service, Inc. in the highest rating category (without regard to
     any refinement or gradation of rating category by numerical modifier or
     otherwise);

         (g)  other temporary Investments in marketable direct obligations
     issued or unconditionally guaranteed by the United States of America or
     issued by any agency thereof and backed by the full faith and credit of
     the United States of America;

         (h)  tax-exempt money market mutual funds that are invested only in
     top tier tax-exempt securities;

         (i)  7-Day tax-exempt variable rate puts that are secured by letters
     of credit issued by banks that are rated at least A1/P1 and the market
     value of which remains at par;

         (j)  Cajun Investments not in excess of $150,000,000, provided that
     the sum of all Cajun Investments plus all





                                    30
<PAGE>   37

     Investments and Acquisitions permitted under clause (k)(iii) of this
     Section shall not exceed $300,000,000;

               (k)  an Acquisition or Investment in a line of business
     contemplated in the Company's 1997 Budget and Five Year Plan, provided that
     (i) on a pro-forma basis (including, in the case of an Acquisition, any
     cost savings or reductions that in the good faith judgment of management of
     the Company (which estimate of cost savings or other reductions is approved
     in writing by the Required Lenders) will be realized within 270 days of
     such Acquisition), using the twelve months immediately preceding such
     Acquisition or Investment, the combined companies would be in compliance
     with the terms of this Agreement, (ii) any wholly-owned Subsidiary
     resulting from such Acquisition or Investment becomes a guarantor of the
     Obligations to the extent required by Section 6.23, (iii) all Investments
     in a Person that is not a wholly-owned Subsidiary or Acquisitions of less
     than 100% of the ownership interests in any Person or project (other than
     Cajun Investments) and all Investments in or Acquisitions of Persons
     organized under the laws of a jurisdiction outside the United States, in
     each case made after the Closing Date, shall not exceed in the aggregate
     the sum of (A) $150,000,000 plus (B) the lesser of (1) $50,000,000 and (2)
     the excess of $150,000,000 over the aggregate amount of the Cajun
     Investments, and (iv) in the case of an Acquisition, the board of directors
     or equivalent governing body of the acquiree shall have given its written
     consent to or approval of such Acquisition;

               (l)  Investments by EnerZ Corporation otherwise permitted under
     Sections 6.26 and 6.27.

All of the Company's and each Subsidiary's cash on hand and other liquid assets
shall at all times be invested in one of the Investments permitted pursuant to
clauses (b), (c), (d), (e), (f), (g), (h) and (i) of this Section 6.15.

     6.16.  Guaranties.  The Company will not, nor will it permit any Subsidiary
to, make or suffer to exist any Guaranty (including any Guaranty of the
obligations of a Subsidiary), except:

               (a)  Guaranties existing on the date hereof and set forth in Item
     6.16 ("Existing Guaranties") of the Disclosure Schedule or made after the
     date hereof by endorsement of instruments for deposit or collection in the
     ordinary course of business or by the Company of obligations of any
     Subsidiary incurred in the ordinary course of such Subsidiary's business;





                                    31
<PAGE>   38


               (b)  the Subsidiary Guaranties;

               (c)     Guaranties which constitute Indebtedness permitted by
     Section 6.11; and

               (d)  customary indemnification obligations granted in connection
     with Dispositions permitted under Section 6.13.

     6.17.  Liens.  The Company will not, nor will it permit any Subsidiary to,
create, incur, or suffer to exist any Lien in, of or on the property of the
Company or any Subsidiary, except for Permitted Liens.

     6.18.  Affiliates.  The Company will not, and will not permit any
Subsidiary to, enter into any transaction (including the purchase or sale of any
property or service) with, or make any payment or transfer to, any Affiliate
except in the ordinary course of business and pursuant to the reasonable
requirements of the Company's or such Subsidiary's business and upon fair and
reasonable terms no less favorable to the Company or such Subsidiary than the
Company or such Subsidiary would obtain in a comparable arms-length transaction,
except that the Company and its Subsidiaries may enter into transactions with
each other otherwise expressly permitted hereunder notwithstanding this Section
6.18.

     6.19.  Environmental Matters.  The Company will, and will cause each of its
Subsidiaries to, use and operate all of its facilities and properties in
material compliance with all Environmental Law (including keeping all necessary
permits, approvals, certificates and licenses in effect and remaining in
material compliance therewith) and handle all Hazardous Materials in material
compliance with all applicable Environmental Laws.

     6.20.  Consolidated Tangible Net Worth.  The Company shall at all times
maintain Consolidated Tangible Net Worth in an amount not less than the sum of
(a) $82,606,000 plus (b) 50% of the aggregate of the cumulative positive
Consolidated Net Income after December 31, 1996 reported by the Company and its
Subsidiaries for each Fiscal Quarter, commencing with the Fiscal Quarter ending
on March 31, 1997, as set forth in the financial statements delivered pursuant
to Section 6.1(a) (without reduction for any Fiscal Quarter in which the Company
reports a net loss on a consolidated basis).

     6.21.  Funded Debt to EBITDA Ratio.  The Company will maintain a Funded
Debt to EBITDA Ratio for each four Fiscal Quarter period ending on the following
dates of not greater than:





                                    32
<PAGE>   39


         Dates                                 Ratio

         3/31/97, 6/30/97,
           9/30/97, 12/31/97,
         3/31/98, 6/30/98, 9/30/98,
           12/31/98                            4.50:1.00
         3/31/99 and last day of each
           Fiscal Quarter thereafter           4.00:1.00

     6.22.  Delivery of Additional Subsidiary Guaranties.  To the extent any
new Subsidiaries are formed or acquired after the Closing Date, the Company
shall cause each such Subsidiary to become a Subsidiary Guarantor by executing
and delivering to the Administrative Agent a Subsidiary Guaranty, together with
supporting documentation in form and substance satisfactory to the Required
Lenders.  The Company shall not be obligated to cause any Subsidiary organized
under the laws of a jurisdiction outside the United States to become a
Subsidiary Guarantor (i) in excess of the maximum extent permitted under
Applicable Law or (ii) if such action would result in a controlled foreign
corporation being deemed to have made an investment in United States property
under Section 956 of the Internal Revenue Code.

     6.23.  Covenant to Secure Obligations Equally.  The Company covenants
that, if it or any Subsidiary shall create or incur, or suffer to be incurred
or to exist, any Lien upon any of its property or assets, whether now owned or
hereafter acquired, other than Permitted Liens (unless prior written consent to
the creation, incurrence or existence thereof shall have been obtained pursuant
to Section 8.2), it will make or cause to be made effective provision whereby
the Obligations will be secured by such Lien equally and ratably with any and
all obligations thereby secured so long as any such obligations shall be so
secured.  Compliance with this Section 6.23 shall not cure any default arising
under Section 6.17.

     6.24.  Amendments.  The Company will not consent to or permit an amendment
or modification of or any other change in any provision of the by-laws or
charter of the Company or any Subsidiary that would adversely affect the rights
of the Administrative Agent, the LC Issuer, and the Lenders under the Credit
Documents.

     6.25.  Shell Indemnification Agreement.  The Company shall not enter into,
agree to or consent to any material amendment, waiver or other modification of
any provision of the Shell Indemnification Agreement without the consent of the
Required Lenders.  The Company shall not permit Shell Oil Company at any time
to fail to duly and punctually observe and perform the obligations on its part
to be observed and performed under the Shell Indemnification Agreement





                                    33
<PAGE>   40

unless such failure has not resulted in, or could not reasonably be expected to
result in, a MAC.

     6.26. No Speculative Trading.  The Company shall not, and shall not permit
any Subsidiary to, enter into any Hedging Agreements except in the ordinary
course of business as bona fide hedging transactions and except for
transactions by EnerZ Corporation permitted under Section 6.27.

     6.27.  EnerZ Corporation Value at Risk.  The Company shall cause EnerZ
Corporation not to enter into Hedging Agreements and other agreements and
transactions relating to the purchase and sale of any and all types of energy
products (including electricity, natural gas and coal) and related financial
instruments except such that both (1) are in accordance with the Risk
Management Policies and Procedures Manual of EnerZ Corporation in effect from
time to time as approved by the board of directors of EnerZ Corporation, and
(2) do not result in the Value at Risk of EnerZ Corporation to exceed
$20,000,000 at any time during the period from the Closing Date through the
first anniversary of the Closing Date, or $30,000,000 thereafter.


                                  ARTICLE VII

                                    DEFAULTS

     The occurrence of any one or more of the following events shall constitute
a Default:

     7.1.  Any representation or warranty made or deemed made by or on behalf
of the Company or any Subsidiary to the Lenders, the LC Issuer or the
Administrative Agent under or pursuant to any Credit Document, or any
certificate or any information contained in any document delivered under or
pursuant to any Credit Document, shall be materially false as of the date on
which made or deemed made.

     7.2.  Nonpayment of any principal of any Note when due; nonpayment of any
reimbursement obligations pursuant to Section 2.2(c) when due; or nonpayment of
any interest upon any Note, or of any fee or other Obligations under any of the
Credit Documents, when due, and such nonpayment shall continue for five (5)
days.

     7.3.  The breach by the Company or any Subsidiary of any of the terms or
provisions of Sections 6.2, 6.3 (only insofar as Section 6.3 refers to notices
of Default or Unmatured Default), any of Sections 6.10 through and including
6.17, or any of Sections 6.20 through and including 6.26.





                                    34
<PAGE>   41


     7.4.  The breach by the Company or any Subsidiary (other than a breach
which constitutes a Default under Section 7.1, 7.2 or 7.3) of any of the terms
or provisions of this Agreement or any other Credit Document which is not
remedied within 30 days (three Business Days, in the case of Section 6.27)
after the earlier of (a) an officer of the Company obtaining knowledge of such
breach and (b) written notice from the Administrative Agent.

     7.5.  Failure of the Company or any Subsidiary to pay when due principal,
interest, or any other amounts due under any Indebtedness in an aggregate
principal amount exceeding $10,000,000 for the Company and all Subsidiaries; or
the default by the Company or any Subsidiary in the performance of any term,
provision or condition contained in any agreement under which any Indebtedness
in an aggregate principal amount exceeding $10,000,000 for the Company and all
Subsidiaries was created or is governed, the effect of which is to cause, or to
permit the holder or holders of such Indebtedness to cause, such Indebtedness
to become due prior to its stated maturity; or any Indebtedness in an aggregate
principal amount exceeding $10,000,000 for the Company and all Subsidiaries
shall be declared to be due and payable or required to be prepaid (other than
by a regularly scheduled payment) prior to the stated maturity thereof.

     7.6.  The Company or any Subsidiary Guarantor shall (a) have an order for
relief entered with respect to it under the Federal Bankruptcy Code, (b) not
pay, or admit in writing its inability to pay, its debts generally as they
become due, (c) make an assignment for the benefit of creditors, (d) apply for,
seek, consent to, or acquiesce in, the appointment of a receiver, custodian,
trustee, examiner, liquidator or similar official for it or any substantial
part of its property, (e) institute any proceeding seeking an order for relief
under the Federal Bankruptcy Code or seeking to adjudicate it a bankrupt or
insolvent, or seeking dissolution, winding up, liquidation, reorganization,
arrangement, adjustment or composition of it or its debts under any law
relating to bankruptcy, insolvency or reorganization or relief of debtors or
fail to file an answer or other pleading denying the material allegations of
any such proceeding filed against it, (f) take any corporate action to
authorize or effect any of the foregoing actions set forth in this Section 7.6
or (g) fail to contest in good faith any appointment or proceeding described in
Section 7.7.

     7.7.  Without the application, approval or consent of the Company or any
Subsidiary Guarantor, a receiver, trustee, examiner, liquidator or similar
official shall be appointed for the Company or any Subsidiary Guarantor or any
substantial part of its property, or a proceeding described in Section 7.6(e)
shall be instituted against the Company or any Subsidiary Guarantor and such
appointment shall continue undischarged or such proceeding shall





                                    35
<PAGE>   42

continue undismissed or unstayed for a period of 90 consecutive days.

     7.8.   Any court, government or governmental agency shall condemn, seize or
otherwise appropriate, or take custody or control of all or any substantial
portion of the property of the Company or any Subsidiary, taken as a whole.

     7.9.  The Company or any Subsidiary shall fail within 90 days to pay, bond
or otherwise discharge any judgment or order for the payment of money in excess
of $5,000,000, which is not stayed on appeal.

     7.10.  Either (a) the aggregate Unfunded Liabilities under all Plans shall
at any time exceed $5,000,000, or (b) (i) any Reportable Event or Termination
Event shall occur with respect to any Plan or (ii) any Termination Event shall
occur with respect to one or more Multiemployer Plans and, at the time of the
occurrence of such Reportable Event or Termination Event, the sum of (x) the
aggregate withdrawal liability that is incurred by the Company, its
Subsidiaries and each ERISA Affiliate as a result of such Termination Event
occurring with respect to such Multiemployer Plan plus (y) the aggregate
Unfunded Liabilities under all Plans, exceeds $5,000,000.

     7.11.  The Company or any Subsidiary shall disaffirm, or seek to
disaffirm, its liability under any Credit Document to which it is a party.

     7.12.  Any Impermissible Change of Control shall occur and the Required
Lenders shall notify the Company that a Default has occurred under this Section
7.12.


                                  ARTICLE VIII

                 ACCELERATION, WAIVERS, AMENDMENTS AND REMEDIES

     8.1.  Acceleration.  If any Default described in Section 7.6 or 7.7
occurs, the obligations of the Lenders and the LC Issuer to make Credit
Extensions hereunder shall automatically terminate and the Obligations shall
immediately become due and payable without any election or action on the part
of the Administrative Agent, the LC Issuer or any Lender.  If any other Default
occurs, the Required Lenders may (i) terminate or suspend the obligations of
the Lenders and the LC Issuer to make Credit Extensions hereunder, or (ii)
declare the Obligations to be due and payable, whereupon the Obligations shall
become immediately due and payable, or (iii) both, without presentment, demand,
protest or notice of any kind, all of which the Company hereby expressly
waives.  In either event the Company shall, upon demand by the Required
Lenders, or





                                    36
<PAGE>   43

immediately if any Default described in Section 7.6 or 7.7 occurs, deposit cash
or other acceptable collateral into a collateral account with the
Administrative Agent in an amount equal to the maximum liability of the LC
Issuer under all outstanding Letters of Credit.

     8.2.  Amendments.  Subject to the provisions of this Article VIII, the
Required Lenders (or the Administrative Agent with the consent in writing of
the Required Lenders) and the Credit Parties may enter into agreements
supplemental hereto for the purpose of adding or modifying any provisions to
the Credit Documents, or changing in any manner the rights of the Lenders or
the Credit Parties hereunder or thereunder or waiving any Default hereunder or
thereunder or consenting to any breach of the terms hereof or thereof; provided
that no such supplemental agreement shall, without the consent of all of the
Lenders:

         (a)  extend the maturity of any Note or reduce the principal amount
     thereof, or reduce the rate or change the time of payment of interest
     thereon;

         (b)  reduce or extend the Company's reimbursement obligation with
     respect to Letters of Credit pursuant to Section 2.2(c), or reduce the
     rate or change the time of payment of any commitment fee or letter of
     credit fee payable pursuant to Section 2.7 (other than Additional Letter
     of Credit Fees payable exclusively to an LC Issuer);

         (c)  reduce the percentage specified in the definition of Required
     Lenders;

         (d)  extend the Termination Date, or increase the amount of the
     Commitment of any Lender hereunder, or permit the Company to assign any of
     its rights or obligations under this Agreement (other than in connection
     with a merger or dissolution permitted under Section 6.12 or a Disposition
     permitted under Section 6.13);

         (e)  release substantially all of the Subsidiary Guaranties (other
     than in connection with a merger or dissolution permitted under Section
     6.12 or a Disposition permitted under Section 6.13); or

         (f)  amend this Section 8.2;

provided, further, that no such supplemental agreement shall modify or waive
any condition precedent to any Credit Extension unless Lenders in the aggregate
holding at least 51% of the aggregate unpaid principal amount of the Advances
plus the LC Liabilities plus the unused portion of the Aggregate Commitment
consent thereto.





                                    37
<PAGE>   44


No amendment of any provision of this Agreement relating to the Administrative
Agent or any LC Issuer shall be effective without the written consent of the
Administrative Agent or such LC Issuer, as the case may be.  The Administrative
Agent may waive payment of the fee required under Section 13.3.2 without
obtaining the consent of any other party to this Agreement.

     8.3.  Preservation of Rights.  No delay or omission of the Lenders, the LC
Issuer or the Administrative Agent to exercise any right under the Credit
Documents shall impair such right or be construed to be a waiver of any Default
or an acquiescence therein, and the making of a Credit Extension
notwithstanding the existence of a Default or the inability of the Company to
satisfy the conditions precedent to such Credit Extension shall not constitute
any waiver or acquiescence.  Any single or partial exercise of any such right
shall not preclude other or further exercise thereof or the exercise of any
other right, and no waiver, amendment or other variation of the terms,
conditions or provisions of the Credit Documents whatsoever shall be valid
unless in writing signed by the Lenders required pursuant to Section 8.2, and
then only to the extent in such writing specifically set forth.  All remedies
contained in the Credit Documents or by law afforded shall be cumulative and
all shall be available to the Administrative Agent, the LC Issuer and the
Lenders until the Obligations have been paid in full.

                                   ARTICLE IX

                              ADMINISTRATIVE AGENT

     9.1.     Appointment and Authorization; "Administrative Agent".  Each
Lender hereby irrevocably (subject to Section 9.9) appoints, designates and
authorizes the Administrative Agent to take such action on its behalf under the
provisions of this Agreement and each other Credit Document and to exercise
such powers and perform such duties as are expressly delegated to it by the
terms of this Agreement or any other Credit Document, together with such powers
as are reasonably incidental thereto.  Notwithstanding any provision to the
contrary contained elsewhere in this Agreement or in any other Credit Document,
the Administrative Agent shall not have any duties or responsibilities, except
those expressly set forth herein, nor shall the Administrative Agent have or be
deemed to have any fiduciary relationship with any Lender, and no implied
covenants, functions, responsibilities, duties, obligations or liabilities
shall be read into this Agreement or any other Credit Document or otherwise
exist against the Administrative Agent.  Without limiting the generality of the
foregoing sentence, the use of the term "agent" in this Agreement with
reference to any Agent is not intended to connote any fiduciary or other
implied (or express) obligations arising under agency doctrine of any
applicable law. Instead, such term is used merely as a matter of





                                    38
<PAGE>   45

market custom, and is intended to create or reflect only an administrative
relationship between independent contracting parties.  Neither of the Arrangers
nor any of the other Agents nor any of the Co-Agents shall have any duties or
obligations under or in connection with any of the Credit Documents.

     9.2.     Delegation of Duties.  The Administrative Agent may execute any
of its duties under this Agreement or any other Credit Document by or through
agents, employees or attorneys-in-fact and shall be entitled to advice of
counsel concerning all matters pertaining to such duties.  The Administrative
Agent shall not be responsible for the negligence or misconduct of any agent or
attorney-in-fact that it selects with reasonable care.

     9.3.     Liability of Administrative Agent.  None of the Agent-Related
Persons shall (i) be liable for any action taken or omitted to be taken by any
of them under or in connection with this Agreement or any other Credit Document
or the transactions contemplated hereby (except for its own gross negligence or
willful misconduct), or (ii) be responsible in any manner to any of the Lenders
for any recital, statement, representation or warranty made by the Company or
any Subsidiary or Affiliate of the Company, or any officer thereof, contained
in this Agreement or in any other Credit Document, or in any certificate,
report, statement or other document referred to or provided for in, or received
by the Administrative Agent under or in connection with, this Agreement or any
other Credit Document, or the validity, effectiveness, genuineness,
enforceability or sufficiency of this Agreement or any other Credit Document,
or for any failure of the Company or any other party to any Credit Document to
perform its obligations hereunder or thereunder.  No Agent-Related Person shall
be under any obligation to any Lender to ascertain or to inquire as to the
observance or performance of any of the agreements contained in, or conditions
of, this Agreement or any other Credit Document, or to inspect the properties,
books or records of the Company or any of the Company's Subsidiaries or
Affiliates.

     9.4.     Reliance by Administrative Agent.  (a)  The Administrative Agent
shall be entitled to rely, and shall be fully protected in relying, upon any
writing, resolution, notice, consent, certificate, affidavit, letter, telegram,
facsimile, telex or telephone message, statement or other document or
conversation believed by it to be genuine and correct and to have been signed,
sent or made by the proper Person or Persons, and upon advice and statements of
legal counsel (including counsel to the Company), independent accountants and
other experts selected by the Administrative Agent. The Administrative Agent
shall be fully justified in failing or refusing to take any action under this
Agreement or any other Credit Document unless it shall first receive such
advice or concurrence of the Required Lenders (or all the Lenders if required
under Section 8.2) as it deems appropriate





                                       39
<PAGE>   46

and, if it so requests, it shall first be indemnified to its satisfaction by
the Lenders against any and all liability and expense which may be incurred by
it by reason of taking or continuing to take any such action.  The
Administrative Agent shall in all cases be fully protected in acting, or in
refraining from acting, under this Agreement or any other Credit Document in
accordance with a request or consent of the Required Lenders and such request
and any action taken or failure to act pursuant thereto shall be binding upon
all of the Lenders.

              (b)  For purposes of determining compliance with the conditions
specified in Section 4.1, each Lender that has executed this Agreement shall be
deemed to have consented to, approved or accepted or to be satisfied with, each
document or other matter either sent by the Administrative Agent to such Lender
for consent, approval, acceptance or satisfaction, or required thereunder to be
consented to or approved by or acceptable or satisfactory to the Lender.

     9.5.     Notice of Default.  The Administrative Agent shall not be deemed
to have knowledge or notice of the occurrence of any Default or Unmatured
Default, except with respect to defaults in the payment of principal, interest
and fees required to be paid to the Administrative Agent for the account of the
Lenders, unless the Administrative Agent shall have received written notice
from a Lender or the Company referring to this Agreement, describing such
Default or Unmatured Default and stating that such notice is a "notice of
default".  The Administrative Agent will notify the Lenders of its receipt of
any such notice.  The Administrative Agent shall take such action with respect
to such Default or Unmatured Default as may be requested by the Required
Lenders in accordance with Article VIII; provided, however, that unless and
until the Administrative Agent has received any such request, the
Administrative Agent may (but shall not be obligated to) take such action, or
refrain from taking such action, with respect to such Default or Unmatured
Default as it shall deem advisable or in the best interest of the Lenders.

     9.6.     Credit Decision.  Each Lender acknowledges that none of the
Agent-Related Persons has made any representation or warranty to it, and that
no act by the Administrative Agent hereinafter taken, including any review of
the affairs of the Company and its Subsidiaries, shall be deemed to constitute
any representation or warranty by any Agent-Related Person to any Lender.  Each
Lender represents to the Administrative Agent that it has, independently and
without reliance upon any Agent-Related Person and based on such documents and
information as it has deemed appropriate, made its own appraisal of and
investigation into the business, prospects, operations, property, financial and
other condition and creditworthiness of the Company and its Subsidiaries, and
all applicable bank regulatory laws relating to the





                                    40
<PAGE>   47

transactions contemplated hereby, and made its own decision to enter into this
Agreement and to extend credit to the Company hereunder.  Each Lender also
represents that it will, independently and without reliance upon any
Agent-Related Person and based on such documents and information as it shall
deem appropriate at the time, continue to make its own credit analysis,
appraisals and decisions in taking or not taking action under this Agreement
and the other Credit Documents, and to make such investigations as it deems
necessary to inform itself as to the business, prospects, operations, property,
financial and other condition and credit worthiness of the Company. Except for
notices, reports and other documents expressly herein required to be furnished
to the Lenders by the Administrative Agent, the Administrative Agent shall not
have any duty or responsibility to provide any Lender with any credit or other
information concerning the business, prospects, operations, property, financial
and other condition or creditworthiness of the Company which may come into the
possession of any of the Agent-Related Persons.

     9.7.     Indemnification of Administrative Agent.  Whether or not the
transactions contemplated hereby are consummated, the Lenders shall indemnify
upon demand the Agent-Related Persons (to the extent not reimbursed by or on
behalf of the Company and without limiting the obligation of the Company to do
so), pro rata, from and against any and all Indemnified Liabilities; provided,
however, that no Lender shall be liable for the payment to the Agent-Related
Persons of any portion of such Indemnified Liabilities resulting solely from
such Person's gross negligence or willful misconduct.  Without limitation of
the foregoing, each Lender shall reimburse the Administrative Agent upon demand
for its ratable share of any costs or out-of-pocket expenses (including
Attorney Costs) incurred by the Administrative Agent in connection with the
preparation, execution, delivery, administration, modification, amendment or
enforcement (whether through negotiations, legal proceedings or otherwise) of,
or legal advice in respect of rights or responsibilities under, this Agreement,
any other Credit Document, or any document contemplated by or referred to
herein, to the extent that the Administrative Agent is not reimbursed for such
expenses by or on behalf of the Company.  The undertaking in this Section shall
survive the payment of all Obligations hereunder and the resignation or
replacement of the Administrative Agent.

     9.8.     Administrative Agent in Individual Capacity.  BofA and its
Affiliates may make loans to, issue letters of credit for the account of,
accept deposits from, acquire equity interests in and generally engage in any
kind of banking, trust, financial advisory, underwriting or other business with
the Company and its Subsidiaries and Affiliates as though BofA were not the
Administrative Agent hereunder and without notice to or consent of the Lenders.
The Lenders acknowledge that, pursuant to such





                                    41
<PAGE>   48

activities, BofA or its Affiliates may receive information regarding the
Company or its Affiliates (including information that may be subject to
confidentiality obligations in favor of the Company or such Subsidiary) and
acknowledge that the Administrative Agent shall be under no obligation to
provide such information to them.  With respect to its Loans, BofA and its
Affiliates shall have the same rights and powers under this Agreement as any
other Lender and may exercise the same as though BofA were not the
Administrative Agent.

     9.9.     Successor Administrative Agent.  The Administrative Agent may,
and at the request of the Required Lenders shall, resign as Administrative
Agent upon 30 days' notice to the Lenders.  If the Administrative Agent resigns
under this Agreement, the Required Lenders shall appoint from among the Lenders
a successor administrative agent for the Lenders.  If no successor
administrative agent is appointed prior to the effective date of the
resignation of the Administrative Agent, the Administrative Agent may appoint,
after consulting with the Lenders and the Company, a successor agent from among
the Lenders.  Upon the acceptance of its appointment as successor
administrative agent hereunder, such successor administrative agent shall
succeed to all the rights, powers and duties of the retiring Administrative
Agent and the term "Administrative Agent" shall mean such successor
administrative agent and the retiring Administrative Agent's appointment,
powers and duties as Administrative Agent shall be terminated.  After any
retiring Administrative Agent's resignation hereunder as Administrative Agent,
the provisions of this Article IX and Section 14.7 shall inure to its benefit
as to any actions taken or omitted to be taken by it while it was
Administrative Agent under this Agreement.  If no successor administrative
agent has accepted appointment as Administrative Agent by the date which is 30
days following a retiring Administrative Agent's notice of resignation, the
retiring Administrative Agent's resignation shall nevertheless thereupon become
effective and the Lenders shall perform all of the duties of the Administrative
Agent hereunder until such time, if any, as the Required Lenders appoint a
successor administrative agent as provided for above.

     9.10.  ERISA Plan Assets.  Each Lender hereby confirms that none of the
funds, monies, assets or other consideration being used to fund its Credit
Extensions hereunder are "plan assets" as defined under the ERISA and that its
rights, benefits and interests in and under the Credit Documents will not be
"plan assets" under ERISA.





                                    42
<PAGE>   49



                                   ARTICLE X

                               GENERAL PROVISIONS
                        APPLICABLE TO LETTERS OF CREDIT

     10.1.  Administration of Letters of Credit.  The related LC Issuer shall
issue each Letter of Credit, and shall make amendments thereto, and shall
administer the same, in accordance with procedures and practices employed by it
in issuing letters of credit for its own account.  Each LC Issuer shall utilize
its own employees and shall use its own equipment and shall in no other respect
delegate its duties as to any related Letter of Credit.  Each LC Issuer shall
be entitled to rely upon advice of legal counsel concerning legal matters and
upon any statement, report, notice document or writing which it believes to be
genuine or to have been presented by a proper Person.  Each LC Issuer shall
maintain customary books and records relating to each related Letter of Credit
at the office at which such Letter of Credit was issued and make such books and
records available to the Lenders at such office at all reasonable times for
purposes of inspection and examination.  Each LC Issuer shall from time to time
when requested by a Lender render advice to the best of its ability as to the
status of any matter relating to any Letter of Credit issued by it.  Each LC
Issuer shall promptly notify the Lenders and the Administrative Agent of (i)
any change in the expiration date of any Letter of Credit issued by such LC
Issuer, (ii) any change in the amount of any Letter of Credit issued by such LC
Issuer, and (iii) any cancellation, amendment or other modification of any
Letter of Credit issued by such LC Issuer.

     10.2.  Default by Credit Parties or any Third Party.  In the event of any
default by any Credit Party or by any other Person in the observance or
performance of any terms, conditions or covenants by which such Credit Party or
such other Person may be bound under or with respect to any Credit Document or
any Letter of Credit or any documents or instruments related thereto, the
related LC Issuer or the Administrative Agent, as the case may be, shall
exercise such remedies under any documents held by such entity in respect
thereof as the Required Lenders shall deem advisable.

     10.3.  No Responsibility.  No LC Issuer shall be responsible to any Lender
for any recitals, reports, statements, warranties or representations in any
Credit Document, any LC Notice, any Letter of Credit, or any agreement,
instrument or other document referred to in such documents, or for the
legality, sufficiency, enforceability or collectibility of any indebtedness or
other liability of any Credit Party or any other Person arising with respect
thereto, or for the performance of any obligations of any Credit Party or any
other Person thereunder, or be bound to ascertain or inquire as to the
performance or observance of any of the terms or conditions of any such
documents or instruments.





                                    43
<PAGE>   50


     10.4.  Reimbursement by Lenders.  Each Lender agrees to reimburse each LC
Issuer, ratably according to its respective share of the Aggregate Commitment,
for any expense not reimbursed by the Credit Parties (a) for which such LC
Issuer is entitled to reimbursement by the Credit Parties under the Credit
Documents or any Letter of Credit, or (b) otherwise incurred by such LC Issuer
on its behalf and on behalf of the Lenders in connection with the
administration and enforcement of the Credit Documents and each Letter of
Credit.

     10.5.  Indemnification by Company.  The Company agrees that any inaction
or omission or action taken by any LC Issuer or any Lender under or in
connection with any Letter of Credit, or any related drafts or documents, if in
good faith and without gross negligence, shall be binding on the Company and
shall not put such LC Issuer or Lender under any resulting liability to the
Company.  The Company further agrees to protect, indemnify, pay and save each
LC Issuer and each Lender harmless from and against any and all claims,
demands, liabilities, damages, losses, costs, charges and expenses (including
reasonable attorneys' fees, which attorneys may be employees of any LC Issuer
or any Lender) which any LC Issuer or any Lender may incur or be subject to as
a consequence, direct or indirect, of (a) any inaction or omission or action
taken by such LC Issuer or the Lenders under or in connection with any Letter
of Credit, or any related drafts or documents, including the issuance of any
Letter of Credit or the failure to honor a drawing under any Letter of Credit
or (b) the use which may be made of any Letter of Credit or the proceeds of any
drawing thereunder, except to the extent that any such amount results from the
gross negligence or willful misconduct of the person to be indemnified, as
determined by a court of competent jurisdiction.  Each LC Issuer shall give the
Company prompt written notice of any event or condition that requires
indemnification hereunder, or any allegation that such event or condition
exists, promptly upon obtaining knowledge thereof; provided that the failure to
give such notice shall not adversely affect any rights to indemnification or
other relief hereunder.  To the extent that the Company makes, or to the
Lenders' and the LC Issuer's reasonable satisfaction provides for, payment
under this Section 10.5, and the Company is otherwise in compliance with the
terms and conditions of this Agreement, the Company shall be subrogated to the
rights of the LC Issuers and the Lenders with respect to such liability or
claim and shall have the right to control litigation related thereto and to
determine the settlement of claims thereon.  The obligations of the Company
under this Section 10.5 shall survive the termination of this Agreement.





                                    44
<PAGE>   51


                                   ARTICLE XI

                   SETOFF; RATABLE PAYMENTS; DEPOSIT ACCOUNTS

     11.1.  Setoff.  In addition to, and without limitation of, any rights of
the Lenders under applicable law, if any Default occurs, any indebtedness from
any Lender to the Company (including all account balances, whether provisional
or final and whether or not collected or available) may be offset and applied
toward the payment of the Obligations owing to such Lender, whether or not the
Obligations, or any part hereof, shall then be due.  The Company agrees that
any holder of a participation in the Obligations may, to the fullest extent
permitted by law, exercise all its rights of payment with respect to such
participation as if such holder were the direct creditor of the Company in the
amount of the participation.

     11.2.  Ratable Payments.  If any Lender, whether by setoff or otherwise,
has payment made to it upon its Obligations in a greater proportion than that
received by any other Lender, such Lender agrees, promptly upon demand, to
purchase a portion of the Obligations held by the other Lenders so that after
such purchase each Lender will hold its ratable proportion of Obligations.  If
any Lender, whether in connection with setoff or amounts which might be subject
to setoff or otherwise, receives collateral or other protection for its
Obligations or such amounts which may be subject to set off, such Lender
agrees, promptly upon demand, to take such action necessary such that all
Lenders share in the benefits of such collateral ratably in proportion to their
Obligations.  In case any such payment is disturbed by legal process, or
otherwise, appropriate further adjustments shall be made.

                                  ARTICLE XII

                                    NOTICES

     All notices and other communications provided to any party hereto under
this Agreement or any other Credit Document shall be in writing or by telex or
by facsimile and addressed or delivered to such party at its address set forth
on Schedule V or at such other address as may be designated by such party in a
notice to the other parties; provided that any notices or other communications
to a Subsidiary Guarantor may be addressed or delivered to such party care of
the Company.  Any notice, if mailed and properly addressed with postage
prepaid, shall be deemed given when received; any notice, if transmitted by
telex or facsimile, shall be deemed given when transmitted (answerback
confirmed in the case of telexes and telephone confirmed in the case of
facsimiles).





                                    45
<PAGE>   52


                                  ARTICLE XIII

               BENEFIT OF AGREEMENT; ASSIGNMENTS; PARTICIPATIONS

     13.1.  Successors and Assigns.  The terms and provisions of the Credit
Documents shall be binding upon and inure to the benefit of the Company, its
Subsidiaries and the Lenders and their respective successors and assigns;
provided that the Company and its Subsidiaries shall not have the right to
assign any of their respective rights and obligations under the Credit
Documents, and any assignment by any Lender must be made in compliance with
Section 13.3.  The Administrative Agent may treat the payee of any Note as the
owner thereof for all purposes hereof unless and until such payee complies with
Section 13.3 in the case of an assignment thereof or, in the case of any other
transfer, a written notice of the transfer is filed with the Administrative
Agent.  Any assignee or transferee of a Note agrees by acceptance thereof to be
bound by all the terms and provisions of the Credit Documents.  Any request,
authority or consent of any Person, who at the time of making such request or
giving such authority or consent is the holder of any Note, shall be conclusive
and binding on any subsequent holder, transferee or assignee of such Note or of
any Note or Notes issued in exchange therefor.

     13.2.  Participations.

     13.2.1.  Permitted Participants; Effect.  Any Lender may, in the ordinary
course of its commercial lending business and in accordance with applicable
law, at any time sell to one or more banks or other entities ("Participants")
participating interests in any Advance or any interest in any Letter of Credit
owing to such Lender, any Note held by such Lender, any Commitment of such
Lender or any other interest of such Lender under the Credit Documents.  In the
event of any such sale by a Lender of participating interests to a Participant,
such Lender's obligations under the Credit Documents shall remain unchanged,
such Lender shall remain solely responsible to the other parties hereto for the
performance of such obligations, such Lender shall remain the holder of any
such Note for all purposes under the Credit Documents, all amounts payable by
the Company under this Agreement shall be determined as if such Lender had not
sold such participating interests, and the Company and the Administrative Agent
shall continue to deal solely and directly with such Lender in connection with
such Lender's rights and obligations under the Credit Documents.

     13.2.2.  Voting Rights.  Each Lender shall retain the sole right to
approve, without the consent of any Participant, any amendment, modification or
waiver of any provision of the Credit Documents other than any amendment,
modification or waiver of the type described in any of clauses (a), (b), (d),
(e) or (f) of Section 8.2.





                                    46
<PAGE>   53


     13.2.3.  Benefit of Setoff.  The Company agrees that each Participant
shall be deemed to have the right of setoff provided in Section 11.1 in respect
of its participating interest in amounts owing under the Credit Documents to
the same extent as if the amount of its participating interest were owing
directly to it as a Lender under the Credit Documents; provided that each
Lender shall retain the right of setoff provided in Section 11.1 with respect
to the amount of participating interests sold to each Participant.  The Lenders
agree to share with each Participant, and each Participant, by exercising the
right of setoff provided in Section 11.1, agrees to share with each Lender, any
amount received pursuant to the exercise of its right of setoff, such amounts
to be shared in accordance with Section 11.2 as if each Participant were a
Lender.

     13.3.  Assignments.

     13.3.1.  Permitted Assignments.  Any Lender may, in the ordinary course of
its commercial lending business and in accordance with Applicable Law, at any
time upon prior notice to the Company assign to one or more of its Affiliates,
to one or more of the other Lenders (or to Affiliates of such other Lenders),
or to one or more banks or other entities ("Purchasers") all or any part of its
rights and obligations under the Credit Documents; provided that except for
assignments between parties each of whom were Lenders (or their Affiliates) on
the Closing Date, each such assignment (other than assignments to Affiliates of
any Lender) shall assign a minimum of $5,000,000 of the assigning Lender's
Loans, participations in LC  Liabilities and unused Commitment, unless such
assigning Lender is assigning all of its right, title and interest under the
Credit Documents.  Each such assignment shall be substantially in the form of
Exhibit I.  The consent of the Administrative Agent and the Company (which
consents shall not be unreasonably withheld) shall be required prior to an
assignment with respect to a Commitment, Loans or participations in Letters of
Credit becoming effective with respect to a Purchaser which is not a Lender (or
its Affiliate), provided that the consent of the Company shall not be required
when a Default has occurred and is continuing.  Such consent shall be
substantially in the form attached as Annex II to Exhibit I. Notwithstanding
anything to the contrary in the foregoing, any Lender may assign any of its
rights and interests in the Obligations to a Federal Reserve Bank; provided
that no such assignment to a Federal Reserve Bank shall release a Lender from
its obligations hereunder.

     13.3.2.  Effect; Effective Date.  Upon (i) delivery to the Administrative
Agent of a notice of assignment, substantially in the form attached as Annex I
to Exhibit I (a "Notice of Assignment"), together with any consents required by
Section 13.3.1, and (ii) payment of a $2,500 fee to the Administrative Agent
for processing such assignment, such





                                    47
<PAGE>   54

assignment shall become effective on the effective date specified in such
Notice of Assignment.  The Notice of Assignment shall contain a representation
by the Purchaser to the effect that none of the consideration used to make the
purchase of any portion of any Commitment and Obligations under the applicable
assignment agreement are "plan assets" as defined under ERISA and that the
rights and interests of the Purchaser in and under the Credit Documents will
not be "plan assets" under ERISA.  On and after the effective date of such
assignment, such Purchaser shall for all purposes be a Lender party to this
Agreement and any other Credit Document executed by the Lenders and shall have
all the rights and obligations of a Lender under the Credit Documents, to the
same extent as if it were an original party hereto, and no further consent or
action by the Company, the Lenders or the Administrative Agent shall be
required to release the transferor Lender with respect to the percentage of its
Commitment, Loans and participations in LC Liabilities.  Upon the consummation
of any assignment to a Purchaser pursuant to this Section 13.3.2, the
transferor Lender, the Administrative Agent and the Company shall make
appropriate arrangements so that replacement Notes are issued to such
transferor Lender, new Notes or, as appropriate, replacement Notes, are issued
to such Purchaser, and the original Notes are returned to the Company.

     13.3.3.  Register.  The Administrative Agent shall maintain (acting solely
for purposes of this Section 13.3.3 as the agent of the Company) at its address
referred to on Schedule V a copy of each Notice of Assignment delivered to it
pursuant to Section 13.3.2 and a register for the recordation of the names and
addresses of the Lenders, and each Lender's participation, from time to time,
in the Commitments, the principal amount of all Loans and the LC Liabilities
(the "Register").  The Register shall be available for inspection by any Lender
or the Company at any time and from time to time upon reasonable prior notice.

     13.4.  Dissemination of Information.  The Company authorizes each Lender
to disclose to any Participant or Purchaser or any other Person acquiring an
interest in the Credit Documents by operation of law (each a "Transferee") and
any prospective Transferee any and all information in such Lender's possession
concerning the Company and the Subsidiaries; provided that each Transferee
agrees to be bound by Section 14.11 of this Agreement.

     13.5.  Tax Treatment.  If any interest in any Credit Document is
transferred to any Transferee which is organized under the laws of any
jurisdiction other than the United States or any State thereof, the transferor
Lender shall cause such Transferee, concurrently with the effectiveness of such
transfer, to comply with the provisions of Section 2.18.





                                    48
<PAGE>   55


                                  ARTICLE XIV

                               GENERAL PROVISIONS

     14.1.  Survival of Representations.  All representations and warranties of
the Company contained in this Agreement shall survive delivery of the Notes and
the making of the Credit Extensions herein contemplated.

     14.2.  Governmental Regulation.  Anything contained in this Agreement to
the contrary notwithstanding, no LC Issuer and no Lender shall be obligated to
extend credit to the Company in violation of (i) any limitation or prohibition
provided by any applicable statute or regulation or (ii) any injunction, order,
judgment or decree of any court, arbitrator or governmental authority.

     14.3.  Taxes.   (a)  Any and all payments by the Company to any Lender or
the Administrative Agent under this Agreement or any other Credit Document
shall be made free and clear of, and without deduction or withholding for, any
Taxes.  In addition, the Company shall pay all Other Taxes.

            (b)  The Company agrees to indemnify and hold harmless each Lender 
and the Administrative Agent for the full amount of Taxes or Other Taxes
(including any Taxes or Other Taxes imposed by any jurisdiction on amounts
payable under this Section) paid by such Lender or the Administrative Agent as
a result of the execution and delivery of any Credit Document or any payment
made by the Company to such Lender or the Administrative Agent hereunder, and
any liability (including penalties, interest, additions to tax and expenses)
arising therefrom or with respect thereto, whether or not such Taxes or Other
Taxes were correctly or legally asserted; provided that if such Lender or the
Administrative Agent determines in its reasonable discretion and in good faith
that it has received a refund or credit of such Taxes or such Other Taxes (or
of any liability, including penalties, interest, additions to tax and expenses,
arising therefrom or with respect thereto and including, without limitation,
those paid under Section 14.3(c)), then such Lender or the Administrative Agent
shall promptly repay the Company to the extent of such refund or credit;
provided, further, that if, due to any adjustment of such Taxes or Other Taxes
(or of any liability, including penalties, interest, additions to tax and
expenses, arising therefrom or with respect thereto) such Lender or the
Administrative Agent loses the benefit of all or any portion of such refund or
credit, the Company will indemnify and hold harmless such Lender or the
Administrative Agent in accordance with this subsection.





                                      49
<PAGE>   56


         (c)  If the Company shall be required by law to deduct or withhold any
Taxes or Other Taxes from or in respect of any sum payable hereunder to any
Lender or the Administrative Agent, then:

              (i)  the sum payable shall be increased as necessary so that
     after making all required deductions and withholdings (including
     deductions and withholdings applicable to additional sums payable under
     this Section) such Lender or the Administrative Agent, as the case may be,
     receives an amount equal to the sum it would have received had no such
     deductions or withholdings been made;

              (ii)  the Company shall make such deductions and withholdings; and

              (iii)  the Company shall pay the full amount deducted or withheld
     to the relevant taxing authority or other authority in accordance with
     applicable law.

         (d)  Within 30 days after the date of any payment by the Company of
Taxes or Other Taxes, the Company shall furnish the Administrative Agent the
original or a certified copy of a receipt evidencing payment thereof or other
evidence of payment satisfactory to the Administrative Agent.

         (e)  If the Company is required to pay additional amounts to any
Lender or the Administrative Agent pursuant to subsection (b) or (c) of this
Section, then such Lender or the Administrative Agent shall use reasonable
efforts (consistent with legal and regulatory restrictions) to change the
jurisdiction of its Lending Installation or take other appropriate action so as
to eliminate or minimize any such additional payment by the Company which may
thereafter accrue, if such change or other action in the judgment of such
Lender or the Administrative Agent is not otherwise disadvantageous to such
Lender or the Administrative Agent.

     14.4.  Headings.  Section headings in the Credit Documents are for
convenience of reference only, and shall not govern the interpretation of any
of the provisions of the Credit Documents.

     14.5.  Entire Agreement.  The Credit Documents embody the entire agreement
and understanding among the Credit Parties, the Administrative Agent, the LC
Issuers, and the Lenders and supersede all prior agreements and understandings
among the Credit Parties, the Administrative Agent, the LC Issuers, and the
Lenders relating to the subject matter thereof.

     14.6.  Several Obligations.  The respective obligations of the Lenders
hereunder are several and not joint and no Lender shall be the partner or agent
of any other (except to the extent to which





                                    50
<PAGE>   57

the Administrative Agent is authorized to act as such).  The failure of any
Lender to perform any of its obligations hereunder shall not relieve any other
Lender from any of its obligations hereunder.  This Agreement shall not be
construed so as to confer any right or benefit upon any Person other than the
parties to this Agreement and their respective successors and assigns.

     14.7.  Expenses; Indemnification.  The Company shall reimburse (i) the
Administrative Agent for any costs, internal charges and out-of-pocket expenses
(including Attorney Costs) paid or incurred by the Administrative Agent in
connection with the preparation, negotiation, execution, administration and
syndication of the Credit Documents, and (ii) the Administrative Agent, each LC
Issuer and the Lenders for any costs, internal charges and out-of-pocket
expenses (including Attorney Costs) paid or incurred by the Administrative
Agent and the Lenders in connection with the collection and enforcement of the
Credit Documents.  The Company further agrees to (x) indemnify each Agent, each
Agent- Related Person, each LC Issuer, each Lender and each Arranger, its
directors, officers and employees, agents and directors ("Indemnified Persons")
against all losses, claims, damages, penalties, judgments, liabilities and
expenses (including all reasonable expenses of litigation or preparation
therefor whether or not the Administrative Agent, or any Lender is a party
thereto) which any of them may pay or incur arising out of or relating to the
commitment letter dated February 12, 1997 from the Administrative Agent to the
Company, this Agreement, the other Credit Documents or any other transactions
contemplated hereby or the direct or indirect application or proposed
application of the proceeds of any Credit Extension hereunder, including any
liabilities arising in connection with Environmental Laws, except to the extent
any of the foregoing arises solely from the gross negligence or willful
misconduct of the party seeking indemnification, ("Indemnified Liabilities")
and (y) to assert no claim against the Administrative Agent or the Lenders or
any other Indemnified Persons, on any theory of liability, for special,
indirect, consequential or punitive damages.  The obligations of the Company
under this Section 14.7 shall survive the termination of this Agreement.

     14.8.  Numbers of Documents.  All statements, notices, closing documents,
and requests hereunder shall be furnished to the Administrative Agent with
sufficient counterparts so that the Administrative Agent may furnish one to
each of the Lenders.

     14.9.  Severability of Provisions.  Any provision in any Credit Document
that is held to be inoperative, unenforceable, or invalid in any jurisdiction
shall, as to that jurisdiction, be inoperative, unenforceable, or invalid
without affecting the remaining provisions in that jurisdiction or the
operation, enforceability, or validity of that provision in any other





                                    51
<PAGE>   58

jurisdiction, and to this end the provisions of all Credit Documents are
declared to be severable.

     14.10.  Nonliability of Lenders.  The relationship between the Company and
the Lenders, and the Administrative Agent shall be solely that of borrower and
lender.  Neither the Administrative Agent, any LC Issuer nor any Lender shall
have any fiduciary responsibilities to the Credit Parties.  Neither the
Administrative Agent, any LC Issuer nor any Lender undertakes any
responsibility to the Credit Parties to review or inform the Credit Parties of
any matter in connection with any phase of the Credit Parties' business or
operations.

     14.11.  Confidentiality.  Each Lender agrees to hold any confidential
information which it may receive from the Company or the Administrative Agent
pursuant to this Agreement in confidence, except for disclosure (i) to other
Lenders and their respective Affiliates, on the same terms provided for the
disclosure by the Lenders under this Section 14.11, (ii) to legal counsel,
accountants, and other professional advisors to that Lender, (iii) to
regulatory officials, (iv) as requested pursuant to or as required by law,
regulation, or legal process, (v) in connection with any legal proceeding to
which that Lender is a party, and (vi) as permitted by Section 13.4, and in
each case after disclosure to the recipient of the confidential nature of such
information.

     14.12.  CHOICE OF LAW.  THE CREDIT DOCUMENTS (OTHER THAN THOSE CONTAINING
A CONTRARY EXPRESS CHOICE OF LAW PROVISION) SHALL BE GOVERNED BY AND CONSTRUED
IN ACCORDANCE WITH THE INTERNAL LAWS (AND NOT THE LAW OF CONFLICTS) OF THE
STATE OF ILLINOIS, BUT GIVING EFFECT TO FEDERAL LAWS APPLICABLE TO NATIONAL
BANKS.

     14.13.  CONSENT TO JURISDICTION.  THE COMPANY HEREBY IRREVOCABLY SUBMITS
TO THE NON-EXCLUSIVE JURISDICTION OF ANY UNITED STATES FEDERAL OR ILLINOIS
STATE COURT SITTING IN CHICAGO IN ANY ACTION OR PROCEEDING ARISING OUT OF OR
RELATING TO ANY CREDIT DOCUMENT AND EACH CREDIT PARTY HEREBY IRREVOCABLY AGREES
THAT ALL CLAIMS IN RESPECT OF SUCH ACTION OR PROCEEDING MAY BE HEARD AND
DETERMINED IN ANY SUCH COURT AND IRREVOCABLY WAIVES ANY OBJECTION IT MAY NOW OR
HEREAFTER HAVE AS TO THE VENUE OF ANY SUCH SUIT, ACTION OR PROCEEDING BROUGHT
IN SUCH A COURT OR THAT SUCH COURT IS AN INCONVENIENT FORUM.  NOTHING HEREIN
SHALL LIMIT THE RIGHT OF THE ADMINISTRATIVE AGENT, ANY LC ISSUER OR ANY LENDER
TO BRING PROCEEDINGS AGAINST THE COMPANY IN THE COURTS OF ANY OTHER
JURISDICTION.  ANY JUDICIAL PROCEEDING BY THE COMPANY AGAINST THE
ADMINISTRATIVE AGENT, ANY LC ISSUER OR ANY LENDER OR ANY AFFILIATE OF THE
ADMINISTRATIVE AGENT, ANY LC ISSUER OR ANY LENDER INVOLVING, DIRECTLY OR
INDIRECTLY, ANY MATTER IN ANY WAY ARISING OUT OF, RELATED TO, OR CONNECTED WITH
ANY CREDIT DOCUMENT SHALL BE BROUGHT ONLY IN A COURT IN CHICAGO, ILLINOIS;
PROVIDED THAT IF THE COMPANY





                                    52
<PAGE>   59

IS UNABLE TO OBTAIN JURISDICTION OVER ANY LENDER IN EITHER THE STATE OR THE
FEDERAL COURTS LOCATED IN CHICAGO, ILLINOIS, THE COMPANY MAY BRING A JUDICIAL
PROCEEDING AGAINST SUCH LENDER (BUT ONLY SUCH LENDER) IN ANY FORUM NECESSARY TO
OBTAIN JURISDICTION OVER SUCH LENDER.

     14.14.  WAIVER OF JURY TRIAL.  TO THE EXTENT PERMITTED BY LAW, THE
COMPANY, THE ADMINISTRATIVE AGENT, EACH LC ISSUER, AND EACH LENDER HEREBY WAIVE
TRIAL BY JURY IN ANY JUDICIAL PROCEEDING INVOLVING, DIRECTLY OR INDIRECTLY, ANY
MATTER (WHETHER SOUNDING IN TORT, CONTRACT OR OTHERWISE) IN ANY WAY ARISING OUT
OF, RELATED TO, OR CONNECTED WITH ANY CREDIT DOCUMENT OR THE RELATIONSHIP
ESTABLISHED THEREUNDER.

                                   ARTICLE XV

                                  COUNTERPARTS

     This Agreement may be executed in any number of counterparts, all of which
taken together shall constitute one agreement, and any of the parties hereto
may execute this Agreement by signing any such counterpart.  This Agreement
shall be effective when it has been executed by the Company, the Administrative
Agent and the Lenders and each party has notified the Administrative Agent by
telex, facsimile transmission or telephone, that it has taken such action.





                                    53
<PAGE>   60

     IN WITNESS WHEREOF, the Company, the Administrative Agent, the Syndication
Agent, the Co-Documentation Agents, the Co-Agents and the Lenders have executed
this Agreement as of the date first above written.


                                        ZEIGLER COAL HOLDING COMPANY


                                        By: /s/ Sharad M. Desai        
                                            -------------------------------
                                        Title:  Treasurer                  
                                               ----------------------------


                                        BANK OF AMERICA NATIONAL TRUST AND
                                        SAVINGS ASSOCIATION, as Administrative 
                                        Agent and Co-Documentation Agent


                                        By: /s/ J. Stephen Mernick     
                                            -------------------------------
                                        Title:  Senior Vice President      
                                               ----------------------------

                                        THE FIRST NATIONAL BANK OF CHICAGO,
                                        as Syndication Agent and
                                        Co-Documentation Agent


                                        By: /s/ Frank L. Grossman      
                                            -------------------------------
                                        Title:  Authorized Agent           
                                               ----------------------------





                                    S-1
<PAGE>   61

                                        BANK OF AMERICA ILLINOIS,
                                        as a Lender


                                        By: /s/ James E. Florczak      
                                            ------------------------------
                                        Title:  Managing Director          
                                              ----------------------------

                                        THE FIRST NATIONAL BANK OF CHICAGO, 
                                        as a Lender


                                        By: /s/ Frank L. Grossman      
                                            ------------------------------
                                        Title:  Authorized Agent           
                                              ----------------------------


                                        BANK OF MONTREAL, as a Lender and 
                                        Co-Agent


                                        By: /s/ Michael D. Peist       
                                            ------------------------------
                                        Title:  Director                   
                                              ----------------------------


                                        THE BANK OF NOVA SCOTIA, as a 
                                        Lender and Co-Agent


                                        By: /s/ F.C.H. Ashby           
                                            ------------------------------
                                        Title:  Sr. Manager Loan Operations
                                              ----------------------------


                                        THE INDUSTRIAL BANK OF JAPAN,
                                        LIMITED, as a Lender and Co-Agent


                                        By: /s/ Hiroaki Nakamura       
                                            ------------------------------
                                        Title:  Joint General Manager      
                                              ----------------------------


                                        THE LONG-TERM CREDIT BANK OF
                                        JAPAN, LTD., CHICAGO BRANCH, as a
                                        Lender and Co-Agent


                                        By: /s/ Brady S. Sadek         
                                            ------------------------------
                                        Title:  V.P. & Deputy General Mngr.
                                              ----------------------------





                                    S-2
<PAGE>   62


                                        MERCANTILE BANK NATIONAL 
                                        ASSOCIATION, as a Lender and 
                                        Co-Agent


                                        By: /s/ Timothy W. Hassler      
                                            ----------------------------
                                        Title:  Assistant Vice President   
                                               -------------------------

                                        PNC BANK, NATIONAL ASSOCIATION,
                                        as a Lender and Co-Agent


                                        By: /s/ Michael J. Beyer       
                                            ----------------------------
                                        Title:  Senior Vice President      
                                               -------------------------


                                        NATIONSBANK OF TEXAS, N.A.,
                                        as a Lender


                                        By: /s/ Denise A. Smith        
                                            ----------------------------
                                        Title:  Senior Vice President      
                                               -------------------------


                                        THE SAKURA BANK, LIMITED,
                                        as a Lender

                                            
                                        By: /s/ Shunji Sakurai         
                                            ----------------------------
                                        Title:  Joint General Manager      
                                               -------------------------


                                        ABN AMRO BANK N.V., as a Lender


                                        By: /s/ Scott J. Albert        
                                            ----------------------------
                                        Title:  Vice President             
                                               -------------------------


                                        By: /s/ Thomas M. Toerpe       
                                            ----------------------------
                                        Title:  Vice President             
                                               -------------------------

                                        BANQUE NATIONALE DE PARIS,
                                        as a Lender


                                        By: /s/ Jo Ellen Bender        
                                            ----------------------------
                                        Title:  Vice President & Manager   
                                               -------------------------





                                    S-3
<PAGE>   63


                                        THE BANK OF TOKYO-MITSUBISHI, LTD.,
                                        CHICAGO BRANCH, as a Lender


                                        By: /s/ Hajime Watanabe        
                                            ---------------------------
                                        Title:  Deputy General Manager     
                                               ------------------------

                                        THE MITSUBISHI TRUST & BANKING
                                        CORPORATION, CHICAGO BRANCH,
                                        as a Lender


                                        By: /s/ Aaki Yamagishi         
                                            ---------------------------
                                        Title:  Chief Manager              
                                               ------------------------


                                        THE SUMITOMO BANK, LIMITED,
                                        as a Lender


                                        By: /s/ Hiroyuki Iwami         
                                            ---------------------------
                                        Title:  Joint General Manager      
                                               ------------------------


                                        CHRISTIANIA BANK OG KREDITKASSE,
                                        as a Lender


                                        By: /s/ Hans Chr. Kjelsrud     
                                            ---------------------------
                                        Title:  Vice President             
                                               ------------------------


                                        By: /s/ Carl-Petter Svendsen   
                                            ---------------------------
                                        Title:  First Vice President       
                                               ------------------------


                                        CIBC INC., as a Lender


                                        By:     /s/ John W. Kunkle         
                                            ---------------------------
                                        Title:  Authorized Signatory       
                                               ------------------------





                                    S-4
<PAGE>   64


                                             COMMERCE BANK, N.A., as a Lender


                                             By: /s/ Scott Larson           
                                                 -----------------------------
                                             Title:  Vice President             
                                                    --------------------------

                                             THE DAI-ICHI KANGYO BANK, LTD., 
                                             CHICAGO BRANCH, as a Lender


                                             By: /s/ Takao Teramura         
                                                 -----------------------------
                                             Title:  Vice President             
                                                    --------------------------


                                             UNION BANK OF SWITZERLAND,
                                             HOUSTON AGENCY, as a Lender


                                             By: /s/ Dan O. Boyle           
                                                 -----------------------------
                                             Title:  Managing Director          
                                                    --------------------------


                                             By: /s/ J. Finley Biggerstaff  
                                                 -----------------------------
                                             Title:  Assistant Vice President   
                                                    --------------------------





                                    S-5
<PAGE>   65

                                    ANNEX 1

                                  Commitments


Lender                                                  Commitment
- ------                                                  ----------

Bank of America Illinois                                $75,000,000.00
The First National Bank of Chicago                      $75,000,000.00
Bank of Montreal                                        $47,500,000.00
The Bank of Nova Scotia                                 $47,500,000.00   
The Industrial Bank of Japan, Limited                   $47,500,000.00
The Long-Term Credit Bank of
Japan, Ltd., Chicago Branch                             $47,500,000.00  
Mercantile Bank National Association                    $47,500,000.00
PNC Bank, National Association                          $47,500,000.00  
NationsBank of Texas, N.A.                              $35,000,000.00
The Sakura Bank, Limited                                $30,000,000.00 
ABN AMRO Bank N.V.                                      $25,000,000.00
Banque Nationale de Paris                               $25,000,000.00
The Bank of Tokyo-Mitsubishi, Ltd.,
  Chicago Branch                                        $25,000,000.00
The Mitsubishi Trust & Banking Corporation,
  Chicago Branch                                        $25,000,000.00      
The Sumitomo Bank, Limited                              $25,000,000.00
Christiania Bank og Kreditkasse                         $15,000,000.00
CIBC Inc.                                               $15,000,000.00
Commerce Bank, N.A.                                     $15,000,000.00
The Dai-Ichi Kangyo Bank, Ltd.,
  Chicago Branch                                        $15,000,000.00
Union Bank of Switzerland, Houston Agency               $15,000,000.00

Total:                                                 $700,000,000.00
                                                       ===============





<PAGE>   66

                                   SCHEDULE I

                                  Definitions


     "Acquisition" means any transaction, or any series of related
transactions, consummated after the date of this Agreement, by which the
Company or any of its Subsidiaries (i) acquires an operating mine or any other
ongoing business or all or substantially all of the assets of any firm,
corporation or division thereof, whether through purchase of assets, merger or
otherwise, or (ii) directly or indirectly acquires (in one transaction or as
the most recent transaction in a series of transactions) at least a majority
(in number of votes) of the securities of a corporation or other entity which
have ordinary voting power for the election of directors or other governing
body (other than securities having such power only by reason of the happening
of a contingency).

     "Additional Letter of Credit Fees" is defined in Section 2.7(c).

     "Administrative Agent" means BofA in its capacity as agent for the Lenders
pursuant to Article IX, and any successor Administrative Agent appointed
pursuant to Article IX.

     "Advance" means a borrowing made by the Company pursuant to Section 2.1
consisting of the aggregate amount of the several Loans made by the Lenders to
the Company on the same Credit Extension Date, at the same Rate Option and for
the same Interest Period.

     "Affiliate" means any Person directly or indirectly controlling,
controlled by or under direct or indirect common control with the Company or
any Subsidiary.  A Person shall be deemed to control another Person if the
controlling Person owns 10% or more of any class of voting securities of the
controlled Person or possesses, directly or indirectly, the power to direct or
cause the direction of the management or policies of the controlled Person,
whether through ownership of stock, by contract or otherwise.

     "Agent-Related Persons" means BofA and any successor agent arising under
Section 9.9, together with their respective Affiliates (including, in the case
of BofA, Bank of America Illinois and BancAmerica Securities, Inc.), and the
officers, directors, employees, agents and attorneys-in-fact of such Persons
and Affiliates.

    "Agents" means the Administrative Agent, the Syndication Agent and the
Co-Documentation Agents.





                                    I-1
<PAGE>   67


     "Aggregate Commitment" means the aggregate of the Commitments of all the
Lenders hereunder.

     "Agreement" means this Credit Agreement.

     "Agreement Accounting Principles" means GAAP in effect from time to time.

     "Alternate Reference Rate" means, on any date and with respect to all
Floating Rate Advances, a fluctuating rate of interest per annum equal to the
higher of (i) the then Reference Rate, and (ii) the Federal Funds Effective
Rate most recently determined by the Administrative Agent plus 0.5% per annum.
Changes in the rate of interest on that portion of any Advance maintained as a
Floating Rate Advance will take effect simultaneously with each change in the
Alternate Reference Rate.

     "Applicable Law" means, relative to any Person or matter, any law, rule,
regulation, order, decree, subpoena or other requirement having the force of
law relating to such Person or matter and, if applicable, any interpretation
thereof by any Person having jurisdiction with respect thereto or charged with
the administration or interpretation thereof.

     "Applicable Margin" means, on the date of determination of the Eurodollar
Rate or the Floating Rate or the Letter of Credit Fee or the commitment fee, as
the case may be, the applicable margin percentage per annum determined on the
basis of the Funded Debt to EBITDA Ratio as set forth below:

                         Applicable Margin Percentage Per Annum
  Funded Debt
      to                               Eurodollar Rate and
 EBITDA Ratio          Floating Rate   Letter of Credit Fee     Commitment Fee  
 ------------          -------------   --------------------     --------------
 4 to 1 or greater         0.125%           1.125%                   0.30%
 Equal to or                zero            0.875%                   0.25%
 greater than               
 3.5 to 1 but 
 less than 4 
 to 1 
 Equal to or                zero             0.70%                  0.225%
 greater than 3             
 to 1 but 
 less than 
 3.5 to 1





                                    I-2
<PAGE>   68

                     Applicable Margin Percentage Per Annum
  Funded Debt
      to                                  Eurodollar Rate and
 EBITDA Ratio           Floating Rate     Letter of Credit Fee   Commitment Fee
 ------------           -------------     --------------------   --------------
 Equal to or                zero                0.55%                  0.20%
 greater than               
 2.5 to 1 but 
 less than 3 
 to 1

 Equal to or                zero                0.45%                  0.15%
 greater than 
 2 to 1 but                 
 less than 
 2.5 to 1 

 Equal to or                zero               0.375%                 0.125%
 greater than               
 1.5 to 1 but 
 less than 2 
 to 1 
 Less than                  zero                0.30%                  0.10%
 1.5 to 1                   

     The Applicable Margin for the Floating Rate initially shall be zero, the
Applicable Margin for the Eurodollar Rate and the Letter of Credit Fee
initially shall be 0.45%, and the Applicable Margin for the commitment fee
initially shall be 0.15%, and each shall be adjusted, to the extent applicable,
five days after the Company delivers to the Administrative Agent the financial
information for the Funded Debt to EBITDA Ratio for the four preceding Fiscal
Quarters ending on the last day of a Fiscal Quarter, provided that if the
Company fails to deliver such financial information by the date required under
Section 6.1(a), (b) or (c), with respect to any Fiscal Quarter or if a Default
shall have occurred and be continuing, then the Applicable Margin that would
apply if the Funded Debt to EBITDA Ratio were 4 to 1 or greater shall apply
until five days after such financial statements are delivered or such Default
is cured, as the case may be.

     "Arrangers" means BancAmerica Securities, Inc. and First Chicago Capital
Markets, Inc.

     "Attorney Costs" means and includes all reasonable fees and disbursements
of any law firm or other external counsel and the non- duplicative allocated
cost of internal legal services and all disbursements of internal counsel.





                                    I-3
<PAGE>   69

     "Authorized Officer" means either the President, the Chief Financial
Officer, Treasurer or Vice President-Finance of the Company, acting singly.

     "BAI" means Bank of America Illinois.

     "BofA" means Bank of America National Trust and Savings Association.

     "Borrowing Notice" is defined in Section 2.8.

     "Business Day" means (i) with respect to borrowing, payment or rate
selection of Eurodollar Rate Advances, a day other than Saturday or Sunday on
which banks are open for business in San Francisco, Chicago and New York and on
which dealings in U.S. dollars are carried on in the applicable offshore
interbank market and (ii) for all other purposes, a day other than Saturday or
Sunday on which banks are open for business in San Francisco, Chicago and New
York.

     "Cajun Investment" means Investments in Louisiana Generating LLC or
another Person that is acquiring certain of the non-nuclear assets of Cajun
Electric Power Cooperative Inc.

     "Capitalized Lease" of a Person means any lease of property by such Person
as lessee which would be capitalized on a balance sheet of such Person prepared
in accordance with Agreement Accounting Principles.

     "Capitalized Lease Obligations" of a Person means the amount of the
obligations of such Person under Capitalized Leases which would be shown as a
liability on a balance sheet of such Person, prepared in accordance with
Agreement Accounting Principles.

     "Cash Equivalents" means Investments described in clauses (b), (c), (d),
(e), (f) and (g) of Section 6.15.

   "CERCLA" means the Comprehensive Environmental Response, Compensation and
                            Liability Act of 1980.

     "CERCLIS" means the Comprehensive Environmental Response Compensation
Liability Information System List issued by the United States Environmental
Protection Agency.

     "Closing Date" is defined in Section 4.1.

     "Closing Documents" is defined in Schedule II.

     "Closing Effectiveness Events" is defined in Schedule II.





                                    I-4
<PAGE>   70

     "Co-Agent" means any Lender designated as such on the signature pages to
this Agreement.

     "Co-Documentation Agents" means BofA and First Chicago.

     "Commitment" means, for each Lender, the obligation of such Lender to make
Loans to the Company pursuant to Section 2.1  and to purchase participations in
(or hold unparticipated portions of) Letters of Credit pursuant to Section 2.2,
in an aggregate amount at any one time outstanding not exceeding the amount set
forth opposite its name under the heading "Commitment" on Annex 1, as such
amount may be reduced from time to time in accordance with Section 2.7.

     "Commitment Reduction Notice" is defined in Section 2.7.

     "Commitment Termination Event" means:

         (a)  the occurrence of any Default described in Section 7.6 or 7.7
     with respect to the Company or any Significant Subsidiary; or

         (b)  the occurrence and continuance of any other Default and either

               (i)  the declaration of any Advances to be due and payable under
          Section 8.1, or

               (ii)  the termination of the Commitments by the Required Lenders.

     "Company" means Zeigler Coal Holding Company, a Delaware corporation.

     "Company Credit Documents" means this Agreement and the Notes.

     "Consolidated Capital Expenditures" means, for any period, the aggregate
of all expenditures by the Company and its Subsidiaries during that period that
are required to be included in or reflected by the property, plant or equipment
or similar fixed asset accounts reflected in the consolidated balance sheet of
the Company and its Subsidiaries including Capitalized Lease Obligations.

     "Consolidated EBIT" means, for any period, operating income for such
period (excluding extraordinary gains and losses and gains and losses from
sales or other dispositions of fixed assets or from discontinued operations),
determined on a consolidated basis for the Company and its Subsidiaries.





                                    I-5
<PAGE>   71

     "Consolidated EBITDA" means, for any period, the sum of (i) the
Consolidated Net Income for such period, plus to the extent included in
determining Consolidated Net Income (ii) income taxes and interest expense,
plus to the extent included in determining Consolidated Net Income (iii)
depreciation, depletion and amortization expense for such period, determined on
a consolidated basis for the Company and its Subsidiaries, plus to the extent
included in determining Consolidated Net Income (iv) amortization of deferred
financing costs, plus to the extent included in determining Consolidated Net
Income (v) non-cash charges during such period, plus to the extent included in
determining Consolidated Net Income for the 1997 Fiscal Year, (vi) make-whole
premiums on the Institutional Notes not in excess of $7,200,000, minus to the
extent included in determining Consolidated Net Income, (vii) non-cash gains
during such period.

     "Consolidated Funded Debt" means, on any date, the consolidated Funded
Debt of the Company and its Subsidiaries on that date.

     "Consolidated Net Income" means, for any period, the consolidated net
income of the Company and its Subsidiaries for such period.

     "Consolidated Net Worth" means, on any date, the consolidated
stockholders' equity of the Company and its Subsidiaries on that date.

     "Consolidated Tangible Net Worth" means, on any date, Consolidated Net
Worth less the aggregate amount of any intangible assets, including goodwill,
franchises, licenses, patents, trademarks, trade names, copyrights, service
marks, brand names, organization expense and unamortized debt discount and
expense, all determined on a consolidated basis for the Company and its
Subsidiaries on that date.

     "Continuing Director" means a member of the Company's board of directors
who either (i) was a member of such board prior to the date hereof and
continuously thereafter or (ii) became a member of such board after the date
hereof and whose election or nomination for election was approved by a vote of
the majority of the Continuing Directors then members of such board.

     "Credit Documents" means, collectively, the Company Credit Documents and
the Subsidiary Guaranties.

     "Credit Extension" means the making of any Advance or the issuance of any
Letter of Credit pursuant to this Agreement.

     "Credit Extension Date" means the date on which any Credit Extension is
made hereunder.





                                    I-6
<PAGE>   72


     "Credit Party" means the Company or any Subsidiary Guarantor.

     "Default" is defined in Article VII.

     "Disclosure Schedule" means Schedule III.

     "Disposition" means any sale, lease or other disposition of any property,
assets or business.

     "Disposition Net Proceeds" means, with respect to any Disposition, the net
proceeds received by the Company or any Subsidiary (after deduction for all
related taxes and expenses) which are, within 180 days of such Disposition
neither (i) reinvested in the same type of property, assets or business as the
type that is the subject of such Disposition nor (ii) used to pay (in permanent
reduction thereof) Indebtedness of the Company or such Subsidiary.

     "Environmental Laws" means any and all present and future United States
federal, tribal, state and local laws or regulations, codes, plans, orders,
decrees, judgments, injunctions and lawfully imposed requirements issued,
promulgated or entered thereunder relating to pollution or protection of the
environment, including laws relating to reclamation of land and waterways and
laws relating to emissions, discharges, releases or threatened releases of
pollutants, contaminants, chemicals, or industrial, toxic or hazardous
substances or wastes into the environment (including ambient air, surface
water, ground water, land surface or subsurface strata) or otherwise relating
to the manufacture, processing, distribution, use, treatment, storage,
disposal, transport or handling of pollutants, contaminants, chemicals, or
industrial, toxic or hazardous substances or wastes.

     "ERISA" means the Employee Retirement Income Security Act of 1974.

     "ERISA Affiliate" means any corporation or trade or business which is a
member of the same controlled group of corporations (within the meaning of
Section 414(b) of the Internal Revenue Code) as the Company or any Subsidiary,
or is under common control (within the meaning of Section 414(c) of the
Internal Revenue Code) with the Company or any Subsidiary.

     "Eurodollar Base Rate" means, with respect to a Eurodollar Rate Advance
for the relevant Interest Period, the rate determined by the Administrative
Agent to be the arithmetic average of the rates at which deposits in U.S.
dollars are offered by BofA to prime international banks in the offshore U.S.
Dollar market at approximately 10:00 a.m. (Chicago time) two





                                    I-7
<PAGE>   73

Business Days prior to the first day of such Interest Period, in the
approximate amount of BAI's relevant Eurodollar Rate Loan and having a maturity
approximately equal to such Interest Period.

     "Eurodollar Rate" means, with respect to a Eurodollar Rate Advance for the
relevant Interest Period, the sum of (i) the quotient of (a) the Eurodollar
Base Rate applicable to that Interest Period, divided by (b) one minus the
Reserve Requirement (expressed as a decimal) applicable to that Interest
Period, plus (ii) the Applicable Margin.  The Eurodollar Rate shall be rounded,
if necessary, to the next higher 1/16 of 1%.

     "Eurodollar Rate Advance" means the aggregate amount of Advances, or
portions thereof, which bear interest at the same Eurodollar Rate for the same
Interest Period.

     "Eurodollar Rate Loan" means, with respect to a Lender, such Lender's
portion of any Eurodollar Rate Advance.

     "Existing Credit Agreement" means the Amended and Restated Credit
Agreement dated as of October 19, 1994, as amended, among the Company, certain
Subsidiaries, the lenders party thereto, BofA and First Chicago as arrangers,
and BofA as administrative agent.

     "Existing Letters of Credit" means the letters of credit issued under the
Existing Credit Agreement and outstanding on the date hereof as set forth in
Schedule IV.

     "Existing Subsidiaries" means the Subsidiaries of the Company on the date
hereof.

     "Federal Funds Effective Rate" means, on any date, a fluctuating interest
rate per annum equal for such date to (i) the weighted average of the rates on
overnight federal funds transactions with members of the Federal Reserve System
arranged by federal funds brokers, as published for such date (or, if such date
is not a Business Day, for the preceding Business Day) by the Federal Reserve
Bank of New York; or (ii) if such rate is not so published for any day which is
a Business Day, the average of the quotations at approximately 10:00 a.m.
(Chicago time) for such day on such transactions received by the Administrative
Agent from three federal funds brokers of recognized standing selected by it.

     "Financial Standby Letter of Credit" means any Letter of Credit that
constitutes a "financial guarantee-type standby letter of credit" or a
"financial guarantee standby letter of credit" or the like under the risk-based
capital guidelines of the Comptroller of the Currency or the Federal Reserve
Board, as determined in good faith by the related LC Issuer.





                                    I-8
<PAGE>   74


     "First Chicago" means The First National Bank of Chicago.

     "Fiscal Quarter" means each of the four consecutive three month periods
comprising a Fiscal Year.

     "Fiscal Year" means any period of four consecutive Fiscal Quarters ending
on December 31; provided that a reference to a Fiscal Year and a particular
calendar year (e.g., the "1997 Fiscal Year") shall be deemed a reference to the
Fiscal Year ending December 31 of that particular calendar year.

     "Floating Rate" means a rate per annum equal to (i) the Alternate
Reference Rate plus (ii) the Applicable Margin, in each case changing when and
as the Alternate Reference Rate changes.

     "Floating Rate Advance" means the aggregate amount of Advances, or
portions thereof, which bear interest at the Floating Rate.

     "Funded Debt" means, as of any date of determination, the sum of (i) all
Indebtedness resulting from the Advances hereunder, and (ii) all other
Indebtedness that matures more than one year from the date of determination, or
matures within one year from such date but is renewable or extendable, at the
option of the debtor, to a date more than one year from such date, or arises
under a revolving credit or similar agreement that obligates the lender or
lenders to extend credit during a period of more than one year from such date
(in each case including amounts of Funded Debt required to be paid or prepaid
within one year from the date of determination), but not including surety bonds
and letters of credit.

     "Funded Debt to EBITDA Ratio" means, for any period of four consecutive
Fiscal Quarters, the ratio of (a) Consolidated Funded Debt as of the last day
of such period to (b) Consolidated EBITDA for such period.

     "GAAP" means generally accepted accounting principles as set forth in the
opinions, statements and other pronouncements of the Securities and Exchange
Commission, the Accounting Principles Board of the American Institute of
Certified Public Accountants, the Financial Accounting Standards Board and of
any other Person as may be approved by a significant segment of the accounting
profession and concurred in by the certified public accountant certifying the
applicable audited financial statement.

     "Guaranty" of a Person means any agreement by which such Person assumes,
guarantees, endorses, contingently agrees to purchase or provide funds for the
payment of, or otherwise becomes liable upon, the obligation of any other
Person, or agrees to maintain the net worth or working capital or other





                                    I-9
<PAGE>   75

financial condition of any other Person or otherwise assures any creditor of
such other Person against loss, including any comfort letter, operating
agreement or take-or-pay contract, but excluding any endorsement of instruments
for deposit or collection in the ordinary course of business.

     "Hazardous Material" means (i) any "hazardous substance", as defined by
CERCLA, (ii) any "hazardous waste", as defined by RCRA, (iii) any petroleum
product, or (iv) any pollutant or contaminant or hazardous, dangerous or toxic
chemical, material or substance the handling, release or presence of which is
regulated pursuant to or otherwise governed by any Environmental Law.

     "Hedging Agreement" means, with respect to any Person, any interest rate,
currency or commodity swap agreement, interest rate cap agreement, interest
rate collar agreement, or other agreement or arrangement designed to protect a
Person against fluctuations in interest rates, currency exchange rates or
commodity prices.  For the purposes of this Agreement, the amount of the
obligation under any Hedging Agreement shall be the amount determined in
respect thereof as of the end of the then most recently ended fiscal quarter of
such Person, based on the assumption that such Hedging Agreement had terminated
at the end of such fiscal quarter, and in making such determination, if any
agreement relating to such Hedging Agreement provides for the netting of
amounts payable by and to such Person thereunder or if any such agreement
provides for the simultaneous payment of amounts by and to such Person, then in
each such case, the amount of such obligation shall be the net amount so
determined.

     "Impermissible Change of Control" means any of the following:

         (a)  any Person or group of Persons (within the meaning of Section 13
     or 14 of the Securities Exchange Act of 1934), other than Persons who
     were, or a group of Persons comprised entirely of Persons who were,
     members of the senior management of the Company (as listed in the
     information memorandum regarding financing for the Acquisition distributed
     to the Lenders) on the Closing Date, shall have acquired beneficial
     ownership (within the meaning of Rule 13d-3 under the Securities Exchange
     Act of 1934) of 49% or more of the outstanding shares of common stock of
     the Company; or

         (b)  a majority of the Company's board of directors is not comprised of
     Continuing Directors.

     "Indebtedness" of a Person means all of such Person's (i) obligations for
borrowed money, (ii) obligations representing the





                                   I-10
<PAGE>   76

deferred purchase price of property other than accounts payable arising in the
ordinary course of such Person's business payable on terms customary in the
trade, (iii) obligations, whether or not assumed, secured by Liens or payable
out of the proceeds or production from property now or hereafter owned or
acquired by such Person (excluding royalties), (iv) obligations which are
evidenced by notes, acceptances, or other instruments, (v) Capitalized Lease
Obligations, (vi) obligations for which such Person is obligated pursuant to a
Guaranty of the types described by the other clauses of this definition, (vii)
obligations for which such Person is obligated pursuant to a letter of credit,
(viii) obligations of such Person as the issuer of any class or series of
preferred stock or any other equity instrument with a guaranteed dividend or a
preference in relation to such Person's common equity in the payment of
dividends or the distribution of proceeds upon liquidation, (ix) Synthetic
Lease Obligations and (x) obligations in respect of any Hedging Agreement
(other than Hedging Agreements of EnerZ Corporation permitted under Section
6.27).

     "Indemnified Liabilities" and "Indemnified Persons" are defined in Section
14.7.

     "Institutional Notes" means the 8.61% Notes of the Company issued pursuant
to the Note Purchase Agreements dated as of November 16, 1992, as amended,
between the Company and each of certain purchasers.

     "Interest Period" means, with respect to a Eurodollar Rate Advance, a
period of one, two, three or, subject to availability, six months, commencing
on a Business Day selected by the Company pursuant to this Agreement which
Interest Period shall end on the day in the succeeding calendar month which
corresponds numerically to the beginning day of such Interest Period; provided
that if there is no such numerically corresponding day in such succeeding
month, such Interest Period shall end on the last Business Day of such
succeeding month.  If an Interest Period would otherwise end on a day which is
not a Business Day, such Interest Period shall end on the next succeeding
Business Day; provided that if said next succeeding Business Day falls in a new
month, such Interest Period shall end on the immediately preceding Business
Day.

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

     "Investment" of a Person means any loan, advance, extension of credit
(excluding accounts receivable arising in the ordinary course of business on
terms customary in the trade), deposit account or contribution of capital by
such Person to any other Person or any investment in, or purchase or other
acquisition of,





                                   I-11
<PAGE>   77

the stock, notes, debentures, partnership or limited liability company
interests or other securities of any other Person made by such Person.

     "IRBs" means (i) the $115,000,000 Peninsula Ports Authority of Virginia,
Unit Priced Demand Adjustable Port Facility Refunding Revenue Bonds (Shell Coal
and Terminal Company Project), 1987 Series, and (ii) the $30,800,000 Charleston
County, South Carolina, Industrial Refunding Revenue Bonds, 1982 Series (Massey
Coal Terminal S.C. Corporation Project).

     "LC Issuer" means any Lender, in its capacity as issuer of a Letter of
Credit under Section 2.2.

     "LC Issuer Fronting Fee" is defined in Section 2.2(e).

     "LC Liabilities" means, on any date, the sum of (i) the maximum aggregate
liability of the LC Issuers under outstanding Letters of Credit and (ii) the
aggregate amount of drawings under Letters of Credit for which the LC Issuers
and the Lenders have not been reimbursed by the Company on that date.

     "LC Notice" is defined in Section 2.2(b).

     "Lenders" means the financial institutions set forth on the signature
pages hereof and their respective permitted successors and assigns.

     "Lending Installation" means any office, branch, subsidiary or affiliate
of any Lender or the Administrative Agent.

     "Letter of Credit" means any of the letters of credit issued by the LC
Issuers under Section 2.2 and the Existing Letters of Credit.

     "Letter of Credit Fee" is defined in Section 2.7(b).

     "Lien" means any security interest, mortgage, pledge, lien, claim, charge,
encumbrance, title retention agreement, lessor's interest under a Capitalized
Lease or analogous instrument, in, of or on any Person's assets or properties
in favor of any other Person.

     "Loan" means, with respect to a Lender, such Lender's portion of any
Advance.

     "MAC" means a material adverse change in, or an event or condition which
was or could reasonably be expected to have a material adverse effect upon, the
business, properties, financial condition, prospects or results of operations
of the Company and all its Subsidiaries taken as a whole.





                                   I-12
<PAGE>   78


     "Moody's" means Moody's Investors Service, Inc.

     "Multiemployer Plan" means a "multiemployer plan" as defined in Section
4001(a)(3) of ERISA to which the Company, any Subsidiary or any ERISA Affiliate
has made or accrued, or is making or accruing, an obligation to make
contributions.

     "1997 Budget and Five Year Plan" means the "Executive Summary Approved
1997 Budget and Five Year Plan of the Company" included as part of the March
1997 Information Memorandum distributed to the Lenders prior to the Closing
Date.

     "Note" means a promissory note, substantially in the form of Exhibit A,
payable to the order of a Lender, duly executed and delivered to the
Administrative Agent by the Company.

     "Obligations" means all unpaid principal of and accrued and unpaid
interest on the Notes, all LC Liabilities (whether accrued or contingent), all
accrued and unpaid fees and all other obligations of the Credit Parties to the
Lenders, the LC Issuer, or the Administrative Agent, or any thereof, under the
Credit Documents.

     "Operating Plan and Budget" is defined in Section 6.1(i).

     "Other Taxes" means any present or future stamp or documentary taxes or
any other excise or property taxes, charges or similar levies which arise from
any payment made hereunder or from the execution, delivery or registration of,
or otherwise with respect to, this Agreement or any other Credit Document.

     "PBGC" means the Pension Benefit Guaranty Corporation.

     "Performance Standby Letter of Credit"  means a Letter of Credit that
constitutes a "performance-based standby letter of credit" or a "performance
standby letter of credit" or the like under the risk-based capital guidelines
of the Comptroller of the Currency or the Federal Reserve Board, as determined
in good faith by the related LC Issuer.

     "Permitted Lien" means any of the following:

         (a)  Liens imposed by law, such as carriers', warehousemen's,
     materialman's, mechanics' and landlords' liens and other similar liens
     arising in the ordinary course of business which secure payment of
     obligations either not overdue or being contested in good faith and, in
     each case, for which the Company or such Subsidiary maintains adequate
     reserves in accordance with GAAP;





                                   I-13
<PAGE>   79

         (b)  Liens for taxes, assessments or governmental charges or levies on
     its property if the same shall not at the time be delinquent or thereafter
     can be paid without penalty, or are being contested in good faith and by
     appropriate proceedings;

         (c)  Utility easements, building restrictions and such other
     encumbrances or charges against real property as are of a nature generally
     existing with respect to properties of a similar character and which do
     not in any material adverse way affect the marketability of the same or
     interfere with the use thereof in the business of the Company or its
     Subsidiaries;

         (d)  Liens incurred in the ordinary course of business in connection
     with workers' compensation, unemployment insurance or other forms of
     governmental insurance or benefits and, in each case, for which the
     Company or such Subsidiary maintains adequate reserves in accordance with
     GAAP;

         (e)  (i) Liens in connection with lease transactions and off-balance
         sheet transactions permitted under Section 6.14,

              (ii) Liens securing purchase money Indebtedness incurred in
         connection with the acquisition of real property or coal reserves and
         permitted under Section 6.11, and

              (iii) Liens on fixed assets acquired by the Company or its
         Subsidiaries given in connection with the acquisition or construction
         of any fixed assets, provided that (A) such Lien attaches solely to
         the assets acquired or constructed, (B) such Lien is given within 12
         months of the date of acquisition or construction of the assets, and
         (C) the Indebtedness secured by such Lien does not exceed the lesser
         of the cost or the fair market value of the asset and is permitted
         under Section 6.11;

      provided that the aggregate principal amount of all Indebtedness and
     other obligations secured by Liens permitted under this clause (e) does
     not exceed $100,000,000;

         (f)  Liens existing on property at the time such property is acquired
     by the Company or a Subsidiary (or at the time the Person owning such
     property becomes a Subsidiary, if applicable), and any extension, renewal
     or replacement (or successive extensions, renewals or





                                   I-14
<PAGE>   80

     replacements) thereof, provided that such Lien attaches solely to such
     property, such Lien is not created or granted in contemplation of the
     acquisition of such property (or Subsidiary) by the Company or a
     Subsidiary and such Lien secures only obligations existing at the time of
     such acquisition and any extension, renewal or replacement (or successive
     extensions, renewals or replacements) thereof (but not any increase in the
     amount thereof);

         (g)  Liens granted in the ordinary course of business by EnerZ
     Corporation securing trading obligations of EnerZ Corporation permitted
     under Section 6.27;

         (h)  Liens securing Indebtedness incurred to finance the commercial
     liquids from coal plant proposed to be constructed in Wyoming, provided
     that such Liens attach solely to such plant and the Indebtedness secured
     by such Liens is permitted under Section 6.11; and

         (i)  Liens, not otherwise permitted under the other clauses of this
     definition, on property and rights having a value not in excess of
     $250,000 in the aggregate and securing obligations not in excess of
     $250,000 in the aggregate.

     "Person" means any corporation, natural person, firm, joint venture,
partnership, limited liability company, trust, unincorporated organization,
enterprise, government or any department or agency of any government and shall
in all cases include the Company and each Subsidiary.

     "Plan" means any employee pension benefit plan (other than a Multiemployer
Plan) established or maintained, or to which contributions have been made, by
the Company, any Subsidiary or any ERISA Affiliate for its employees and
covered by Title IV of ERISA or to which Section 412 of the Internal Revenue
Code applies.

     "Purchaser" is defined in Section 13.3.1.

     "Quarterly Payment Date" means the last Business Day in each March, June,
September and December.

     "Rate Conversion Date" means a date on which the Rate Option and Interest
Period applicable to one or more outstanding Advances, or portions thereof, is
converted in accordance with Section 2.8.

     "Rate Conversion Notice" is defined in Section 2.8.





                                   I-15
<PAGE>   81

     "Rate Option" means the Eurodollar Rate or the Floating Rate.

     "RCRA" means the Resource Conservation and Recovery Act of 1976.

     "Reference Rate" means for any day the rate of interest in effect for such
day as publicly announced from time to time by BofA in San Francisco,
California, as its "reference rate".  (The "reference rate" is a rate set by
BofA based upon various factors including BofA's costs and desired return,
general economic conditions and other factors, and is used as a reference point
for pricing some loans, which may be priced at, above, or below such announced
rate.)

     "Regulation D" means Regulation D of the Board of Governors of the Federal
Reserve System.

     "Regulation U" means Regulation U of the Board of Governors of the Federal
Reserve System.

     "Regulatory Requirement" is defined in Section 3.1.

     "Release" means a "release" within the meaning of CERCLA.

     "Reportable Event" means any "reportable event", as defined in Section
4043(b) of ERISA and the regulations issued under such Section, with respect to
a Plan, as to which the PBGC has not by regulation waived the requirement of
Section 4043(a) of ERISA that it be notified within thirty (30) days of the
occurrence of such event; provided that a failure to meet the minimum funding
standard of Section 412 of the Internal Revenue Code and of Section 302 of
ERISA shall be a Reportable Event regardless of the issuance of any waivers in
accordance with Section 412(d) of the Internal Revenue Code.

     "Required Lenders" means (a) unless the Aggregate Commitment has been
terminated, Lenders in the aggregate holding at least 51% of the aggregate
unpaid principal amount of the outstanding Advances and LC Liabilities plus the
unused portion of the Aggregate Commitment and (b) if the Aggregate Commitment
has been terminated, Lenders in the aggregate holding at least 51% of the
aggregate unpaid principal amount of the outstanding Advances and LC
Liabilities.

     "Reserve Requirement" means, with respect to an Interest Period, the
maximum aggregate reserve requirement (including all basic, supplemental,
marginal and other reserves) which is imposed under Regulation D on
Eurocurrency liabilities.

     "Restricted Payments" is defined in Section 6.10.





                                   I-16
<PAGE>   82


     "S&P" means Standard & Poor's Ratings Services.

     "Shell Indemnification Agreement" means that certain Shell Indemnification
Agreement dated as of November 23, 1992, between the Company and Shell Oil
Company pursuant to a Stock Purchase Agreement for Shell Mining Company.

     "Significant Subsidiary" means (a) each Subsidiary Guarantor and (b) each
Subsidiary that meets any of the following criteria:

         (i)  the Company's and its other Subsidiaries' investments in and
     advances to such Subsidiary and its Subsidiaries exceed 5% of the
     consolidated assets of the Company and its Subsidiaries; or

         (ii)  the assets of such Subsidiary and its Subsidiaries exceed 5% of
     the consolidated assets of the Company and its Subsidiaries; or

         (iii)  the operating income of such Subsidiary and its Subsidiaries
     for preceding Fiscal Year exceeds 5% of the consolidated operating income
     of the Company and its Subsidiaries for such period.

     "Single Employer Plan" means a Plan maintained by the Company, any
Subsidiary or any ERISA Affiliate for employees of the Company, any Subsidiary
or any ERISA Affiliate.

     "SMCRA" means the Surface Mining Control and Reclamation Act of 1977.

     "Subsidiary" means any corporation or other business entity of which more
than 50% of the outstanding voting securities or other ownership interests
entitled to vote shall at the time be owned or controlled, directly or
indirectly, by the Company or by one or more Subsidiaries or by the Company and
one or more Subsidiaries, or any similar business organization which is so
owned or controlled.

     "Subsidiary Guaranties" means, collectively, each of the Guaranties in
substantially the form of Exhibit B executed by each of the Subsidiary
Guarantors in favor of the Administrative Agent.

     "Subsidiary Guarantor" means each Person which either (i) is a Subsidiary
on the date of this Agreement (other than Franklin Coal International, Inc. (a
U.S. Virgin Islands corporation), Zeigler International, Inc. (a Cayman Islands
corporation)) or (ii) becomes a Subsidiary after the date of this Agreement and
is required to provide a Subsidiary Guaranty under Section 6.22.





                                   I-17
<PAGE>   83

     "Syndication Agent" means First Chicago in its capacity as syndication
agent.

     "Synthetic Lease" means a lease transaction under which the  parties
intend that (i) the lease will be treated as an "operating lease" by the lessee
pursuant to Statement of Financial Accounting Standards No. 13, as amended, and
(ii) the lessee will be entitled to various benefits ordinarily available to
owners (as opposed to lessees) of like property.

     "Synthetic Lease Obligations" means, with respect to any Person, the sum
of (a) all rental obligations of such Person as lessee under Synthetic Leases
which are attributable to principal and (b) all payment obligations of such
Person under Synthetic Leases assuming such Person exercises the option to
purchase the leased property at the end of the lease term.

     "Taxes" means any and all present or future taxes, levies, imposts,
deductions, charges or withholdings, and all liabilities with respect thereto,
excluding, in the case of each Lender and the Administrative Agent, net income
and franchise taxes (and other taxes of a similar nature imposed as a result of
doing business in a particular jurisdiction), along with any penalties,
interest or additions thereto, imposed on such Lender or the Administrative
Agent by the jurisdiction (or any political subdivision thereof) under the laws
of which such Lender or the Administrative Agent, as the case may be, is
organized, maintains its Lending Installation, or, if the transactions under
this Agreement were disregarded, would otherwise be subject to the imposition
of such taxes.

     "Termination Date" means the earliest to occur of the following dates:

          (a)  the fifth anniversary of the Closing Date;

          (b)  the date on which the Aggregate Commitment is reduced to zero
          under Section 2.7; or

          (c)  the date on which any Commitment Termination Event occurs.

     "Termination Event" means any of the following:

          (i)  the filing by the Company, any Subsidiary, any ERISA Affiliate or
          any Plan administrator under Title IV of ERISA of a notice of the
          termination of, or the intent to terminate, any Plan;

          (ii)  the institution by the PBGC of proceedings for the termination
          of, or for the appointment of a trustee to





                                   I-18
<PAGE>   84

     administer, any Plan; or the receipt by the Company, any Subsidiary or any
     ERISA Affiliate of a notice from a Multiemployer Plan that such action has
     been taken by the PBGC with respect to such Multiemployer Plan; or

         (iii)  the complete or partial withdrawal by the Company, any
     Subsidiary or any ERISA Affiliate from any Multiemployer Plan, or the
     receipt by the Company, any Subsidiary or any ERISA Affiliate of notice
     from a Multiemployer Plan that it is in reorganization or insolvency or
     that it intends to terminate or has been terminated.

     "Total Capitalization" means, as at any date, the sum of (i) Consolidated
Tangible Net Worth, plus (ii) Consolidated Funded Debt.

     "Transferee" is defined in Section 13.4.

     "Unfunded Liabilities" means, with respect to a Single Employer Plan, the
amount (if any) by which the present value of all vested nonforfeitable
benefits under such Plan exceeds the fair market value of all Plan assets
allocable to such benefits, all determined as of the then most recent valuation
date for such Plan and on the basis used in the actuarial valuation report for
such valuation date.

     "Unmatured Default" means an event which but for the lapse of time or the
giving of notice, or both, would constitute a Default.

     "Value at Risk" means, as of any date of determination, a statistical
estimate of the amount a Person risks losing over a specified period of time
due to changes in market price, determined pursuant to a statistical model and
using assumptions reasonably acceptable to the Agents.





                                   I-19

<TABLE> <S> <C>

<ARTICLE> 5
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-END>                               SEP-30-1997
<CASH>                                         118,544
<SECURITIES>                                         0
<RECEIVABLES>                                   73,977
<ALLOWANCES>                                     2,123
<INVENTORY>                                     41,958
<CURRENT-ASSETS>                               398,316
<PP&E>                                       1,176,625
<DEPRECIATION>                                 357,913
<TOTAL-ASSETS>                               1,230,345
<CURRENT-LIABILITIES>                          301,938
<BONDS>                                        344,142
                                0
                                          0
<COMMON>                                           284
<OTHER-SE>                                     166,147
<TOTAL-LIABILITY-AND-EQUITY>                 1,230,345
<SALES>                                        445,334
<TOTAL-REVENUES>                               586,260
<CGS>                                          360,869
<TOTAL-COSTS>                                  372,331
<OTHER-EXPENSES>                               145,872
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                              12,712
<INCOME-PRETAX>                                 55,345
<INCOME-TAX>                                     9,959
<INCOME-CONTINUING>                             45,386
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    45,386
<EPS-PRIMARY>                                     1.60
<EPS-DILUTED>                                     1.00
        

</TABLE>


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