NATIONAL STEEL CORP
10-Q/A, 1995-01-20
STEEL WORKS, BLAST FURNACES & ROLLING MILLS (COKE OVENS)
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<PAGE>
 
                                                                   1994
                                                              SECOND QUARTER


    
                                F O R M  1 0 - Q/A

                    (AMENDMENT NO. 2 TO FORM 10-Q ORIGINALLY
                             FILED AUGUST 8,1994)
     

                       SECURITIES AND EXCHANGE COMMISSION

                            Washington, D.C.  20549


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

                  For the quarterly period ended June 30, 1994
    
     
                          Commission file number 1-983


                           NATIONAL STEEL CORPORATION

             (Exact name of registrant as specified in its charter)



           Delaware                                             25-0687210
(State or other jurisdiction of                              (I.R.S. Employer
incorporation or organization)                              Identification No.)


4100 Edison Lakes Parkway, Mishawaka, IN                        46545-3440
(Address of principal executive offices)                        (Zip Code)


(Registrant's telephone number, including area code):           219-273-7000



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, and (2) has been subject to such filing
requirements for the past 90 days.  Yes   X      No 
                                       -------     -------

The number of shares outstanding of the Registrant's Common Stock $.01 par
value, as of July 28, 1994, was 36,364,434 shares.

                                      
<PAGE>
 
NATIONAL STEEL CORPORATION AND SUBSIDIARIES
TABLE OF CONTENTS



PART I. FINANCIAL INFORMATION                                     PAGE
                                                                  ----


     Statements of Consolidated Income -
      Three Months Ended June 30, 1994 and 1993                     3


     Statements of Consolidated Income -
      Six Months Ended June 30, 1994 and 1993                       4


     Consolidated Balance Sheets -
      June 30, 1994 and December 31, 1993                           5


     Statements of Consolidated Cash Flows -
      Six Months Ended June 30, 1994 and 1993                       6


     Statements of Changes in Consolidated
      Stockholders' Equity and Redeemable
      Preferred Stock-Series B -
      Six Months Ended June 30, 1994 and
      Year Ended December 31, 1993                                  7


     Notes to Consolidated Financial Statements                     8

    
     Management's Discussion and Analysis of
      Financial Condition and Results of Operations                10
     


PART II. OTHER INFORMATION

    
     Legal Proceedings                                             14
     
    
     Submission of Matters to a Vote of Security Holders           16


     Exhibits and Reports on Form 8-K                              16
     
                                       2
<PAGE>
 
                        PART I. - FINANCIAL INFORMATION
 
 
NATIONAL STEEL CORPORATION AND SUBSIDIARIES
STATEMENTS OF CONSOLIDATED INCOME
(In Thousands of Dollars, Except Per Share Amounts)
(Unaudited)
<TABLE>
<CAPTION>
 
                                                            THREE MONTHS
                                                           ENDED JUNE 30,
                                                          1994        1993
                                                        --------    --------
 <S>                                                    <C>         <C>
NET SALES                                               $650,682    $622,684
 
Cost of products sold                                    573,919     568,962
Selling, general and administrative                       31,132      31,850
Depreciation, depletion and amortization                  35,589      34,333
Equity (income) loss of affiliates                          (209)        526
                                                        --------    --------
INCOME (LOSS) FROM OPERATIONS                             10,251     (12,987)
 
Financing costs
  Interest and other financial income                       (973)       (704)
  Interest and other financial expense                    15,778      16,282
                                                        --------    --------
                                                          14,805      15,578
                                                        --------    --------
 
LOSS BEFORE INCOME TAXES                                  (4,554)    (28,565)
 
Income tax credit                                         (5,395)    (11,102)
                                                        --------    --------
 
NET INCOME (LOSS)                                            841     (17,463)
Less:  preferred stock dividends                           2,740       3,489
                                                        --------    --------
 
  Net loss applicable to common stock                   $ (1,899)   $(20,952)
                                                        ========    ========
 
PER SHARE DATA APPLICABLE TO COMMON STOCK:
 
NET LOSS APPLICABLE TO COMMON STOCK                     $   (.05)   $   (.58)
                                                        ========    ========
 
Weighted average shares outstanding (in thousands)        36,361      36,295
 
</TABLE>



See notes to consolidated financial statements.

                                       3
<PAGE>
 
NATIONAL STEEL CORPORATION AND SUBSIDIARIES
STATEMENTS OF CONSOLIDATED INCOME
(In Thousands of Dollars, Except Per Share Amounts)
(Unaudited)

<TABLE>
<CAPTION>
                                                                SIX MONTHS
                                                               ENDED JUNE 30,
                                                           1994         1993 (RESTATED)
                                                        ----------      ---------------
<S>                                                    <C>              <C>
NET SALES                                               $1,273,420           $1,210,082

Cost of products sold                                    1,145,578            1,126,370
Selling, general and administrative                         67,558               67,279
Depreciation, depletion and amortization                    69,690               68,060
Equity (income) loss of affiliates                              14                 (918)
Unusual gain                                              (110,972)                  --
                                                        ----------           ----------
INCOME (LOSS) FROM OPERATIONS                              101,552              (50,709)

Financing costs
  Interest and other financial income                       (1,554)                (972)
  Interest and other financial expense                      31,974               32,457
                                                        ----------           ----------
                                                            30,420               31,485
                                                        ----------           ----------

INCOME (LOSS) BEFORE INCOME TAXES AND
  CUMULATIVE EFFECT OF ACCOUNTING CHANGE                    71,132              (82,194)

Income tax credit                                           (7,720)             (11,066)
                                                        ----------           ----------

INCOME (LOSS) BEFORE CUMULATIVE EFFECT
  OF ACCOUNTING CHANGE                                      78,852              (71,128)

Cumulative effect of accounting change                          --               16,453
                                                        ----------           ----------

NET INCOME (LOSS)                                           78,852              (87,581)
Less:  preferred stock dividends                             5,480                7,852
                                                        ----------           ----------

  Net income (loss) applicable to common stock          $   73,372           $  (95,433)
                                                        ==========           ==========

PER SHARE DATA APPLICABLE TO COMMON STOCK:

INCOME (LOSS) BEFORE CUMULATIVE EFFECT
  OF ACCOUNTING CHANGE                                  $     2.02           $    (2.52)
Cumulative effect of accounting change                          --                 (.52)
                                                        ----------           ----------

NET INCOME (LOSS) APPLICABLE TO COMMON STOCK            $     2.02           $    (3.04)
                                                        ==========           ==========

Weighted average shares outstanding (in thousands)          36,361               31,397

</TABLE>



See notes to consolidated financial statements.

                                       4
<PAGE>
 
NATIONAL STEEL CORPORATION AND SUBSIDIARIES
CONSOLIDATED BALANCE SHEETS
(In Thousands of Dollars, Except Share Amounts)
(Unaudited)
 
<TABLE>
<CAPTION> 

ASSETS
                                                    JUNE 30,    DECEMBER 31,
                                                      1994          1993
                                                   ----------    ----------
<S>                                                <C>          <C>
Current assets
  Cash and cash equivalents                        $   82,141    $    5,322
  Receivables - net                                   265,110       224,709
  Inventories:
    Finished and semi-finished products               255,421       246,285
    Raw materials and supplies                         85,849       124,812
                                                   ----------    ----------
                                                      341,270       371,097
                                                   ----------    ----------
 
          Total current assets                        688,521       601,128
 
Investments in affiliated companies                    57,753        58,278
Property, plant and equipment                       3,367,009     3,296,792
  Less:  Allowances for depreciation,
          depletion and amortization                1,946,168     1,898,055
                                                   ----------    ----------
                                                    1,420,841     1,398,737
Other assets                                          256,154       246,057
                                                   ----------    ----------
 
          TOTAL ASSETS                             $2,423,269    $2,304,200
                                                   ==========    ==========

LIABILITIES, REDEEMABLE PREFERRED STOCK AND STOCKHOLDERS' EQUITY

Current liabilities
  Accounts payable                                 $  190,642    $  242,294
  Accrued liabilities                                 353,827       303,981
  Long-term obligations and related party
   indebtedness due within one year                    26,438        28,257
                                                   ----------    ----------

       Total current liabilities                      570,907       574,532

Long-term obligations                                 386,185       344,096
Long-term indebtedness to related parties             323,327       329,995
Other long-term liabilities                           812,236       797,585

Redeemable Preferred Stock - Series B                  67,280        68,030

Stockholders' equity
  Common Stock - par value $.01:
    Class A - authorized 30,000,000 shares; 
     issued and outstanding 22,100,000 shares             221           221
    Class B - authorized 65,000,000 shares;
     issued and outstanding 14,261,100 shares             143           143
  Preferred Stock - Series A                           36,650        36,650
  Additional paid-in-capital                          360,314       360,314
  Retained deficit                                   (133,994)     (207,366)
                                                   ----------    ----------
      Total stockholders' equity                      263,334       189,962
                                                   ----------    ----------
       TOTAL LIABILITIES, REDEEMABLE
        PREFERRED STOCK AND STOCKHOLDERS' EQUITY   $2,423,269    $2,304,200
                                                   ==========    ==========
</TABLE>

See notes to consolidated financial statements.


                                       5
<PAGE>
 
NATIONAL STEEL CORPORATION AND SUBSIDIARIES
STATEMENTS OF CONSOLIDATED CASH FLOWS
(In Thousands of Dollars)
(Unaudited)
<TABLE> 
<CAPTION> 
                                                                              SIX MONTHS
                                                                             ENDED JUNE 30,
                                                                      1994              1993 (RESTATED)
                                                                   -----------          ---------------
<S>                                                                <C>                  <C>  
CASH FLOWS FROM OPERATING ACTIVITIES:
  Net income (loss)                                                 $   78,852                $(87,581)
  Adjustments to reconcile net income
   (loss) to net cash provided (used) by operating activities:
     Depreciation, depletion and amortization                           69,690                  68,060
     Carrying charges related to facility
      sales and plant closings                                          14,781                  17,730
     Equity (income) loss of affiliates                                     14                    (918)
     Dividends from affiliates                                             900                     900
     Postretirement benefits                                            27,590                  29,600
     Deferred income taxes                                             (10,800)                (11,100)
     Cumulative effect of accounting change                                 --                  16,453
  Cash provided (used) by working capital
   items:
     Receivables                                                       (40,401)                (29,565)
     Inventories                                                        29,827                  18,033
     Accounts payable                                                  (51,652)                (54,881)
     Accrued liabilities                                                23,517                  22,186
  Other                                                                  5,981                 (10,041)
                                                                   -----------                --------
     NET CASH PROVIDED (USED) BY OPERATING ACTIVITIES                  148,299                 (21,124)
                                                                   -----------                --------
CASH FLOWS FROM INVESTING ACTIVITIES:
  Purchases of plant and equipment                                     (90,105)                (39,765)
                                                                   -----------                --------
     NET CASH USED BY INVESTING ACTIVITIES                             (90,105)                (39,765)
                                                                   -----------                --------
CASH FLOWS FROM FINANCING ACTIVITIES:
  Issuance of Class B Common Stock                                          --                 141,432
  Redemption of Series B Redeemable Preferred Stock                         --                 (67,804)
  Debt repayments                                                      (54,348)                (12,403)
  Borrowings                                                            87,950                  40,541
  Payment of released Weirton benefit liabilities                       (8,979)                (11,530)
  Dividend payments on Preferred Stock-Series A                         (1,999)                 (1,998)
  Dividend payments on Preferred Stock-Series B                            (87)                 (1,422)
  Payment of unreleased Weirton liabilities
   and their release in lieu of cash dividends
   on Preferred Stock-Series B                                          (3,912)                 (6,567)
                                                                   -----------                --------
     NET CASH PROVIDED BY FINANCING ACTIVITIES                          18,625                  80,249
                                                                   -----------                --------
NET INCREASE IN CASH AND CASH EQUIVALENTS                               76,819                  19,360
Cash and Cash Equivalents, Beginning of the Period                       5,322                  55,220
                                                                   -----------                --------
CASH AND CASH EQUIVALENTS, END OF THE PERIOD                        $   82,141                $ 74,580
                                                                   ===========                ========
 
 
See notes to consolidated financial statements.
 
</TABLE>

                                       6
<PAGE>
 
NATIONAL STEEL CORPORATION AND SUBSIDIARIES
STATEMENTS OF CHANGES IN CONSOLIDATED
 STOCKHOLDERS' EQUITY AND REDEEMABLE PREFERRED STOCK - SERIES B
(In Thousands of Dollars, Except Share Amounts)
(Unaudited)
 
<TABLE> 
<CAPTION> 
                                                                                                                         REDEEMABLE
                                              COMMON     COMMON    PREFERRED     ADDITIONAL  RETAINED    TOTAL           PREFERRED
                                              STOCK -    STOCK -   STOCK -       PAID-IN-    EARNINGS    STOCKHOLDERS'   STOCK -
                                              SERIES A   SERIES B  SERIES A      CAPITAL     (DEFICIT)   EQUITY          SERIES B
                                              --------   --------  -----------   ----------  ---------   -------------   ---------
<S>                                           <C>        <C>       <C>           <C>         <C>         <C>             <C>
BALANCE AT JANUARY 1, 1993                        $255       $ --      $36,650     $218,991  $  70,795       $ 326,691    $137,802
Net loss                                                                                      (258,861)       (258,861)
Redemption of Redeemable
   Preferred Stock - Series B                                                                                              (67,804)
Amortization of excess of book
   value over redemption value
   of Redeemable Preferred Stock
   - Series B                                                                                    1,968           1,968      (1,968)
Cumulative dividends on Preferred
   Stocks - Series A and B                                                                     (15,332)        (15,332)
Issuance of Common Stock -
   Class B                                                    109                   141,323                    141,432
Conversion of 3,400,000 shares
   of NII Common Stock - Class A
   to Common Stock - Class B                       (34)        34
Minimum pension liability                                                                       (5,936)         (5,936)
                                                  ----       ----      -------     --------  ---------       ---------    -------- 
 
BALANCE AT DECEMBER 31, 1993                      $221       $143      $36,650     $360,314  $(207,366)      $ 189,962    $ 68,030
Net Income                                                                                      78,852          78,852
Amortization of excess of book
   value over redemption value
   of Redeemable Preferred Stock
   - Series B                                                                                      750             750        (750)
Cumulative dividends on Preferred
   Stocks - Series A and B                                                                      (6,230)         (6,230)
                                                  ----       ----      -------     --------  ---------       ---------    -------- 
BALANCE AT JUNE 30, 1994                          $221       $143      $36,650     $360,314  $(133,994)      $ 263,334    $ 67,280
                                                  ====       ====      =======     ========  =========       =========    ========
</TABLE>
See notes to consolidated financial statements.

                                       7
<PAGE>
 
NATIONAL STEEL CORPORATION AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
JUNE 30, 1994 (Unaudited)



NOTE 1 - BASIS OF PRESENTATION

The consolidated financial statements of National Steel Corporation and its
majority owned subsidiaries (the "Company") presented herein are unaudited.
However, in the opinion of management, such statements include all adjustments
necessary for a fair presentation of the results for the periods indicated.  All
such adjustments made, except for the unusual gain which is discussed in Note 2,
were of a normal recurring nature.  The financial results presented for the
three and six month periods ended June 30, 1994 are not necessarily indicative
of results of operations for the full year.  The Annual Report of the Company on
Form 10-K for the year ended December 31, 1993 (the "1993 Form 10-K") contains
additional information and should be read in conjunction with this report.

Financial information for the first six months of 1993 has been retroactively
restated to reflect the implementation of Statement of Financial Accounting
Standards No. 112, "Employer's Accounting for Postemployment Benefits", which
the Company adopted during the fourth quarter of 1993.

Certain items in prior years have been reclassified to conform with current year
presentation.


NOTE 2 - UNUSUAL GAIN
    
On January 24, 1994, the United States Supreme Court denied the Bessemer & Lake
Erie Railroad's ("B&LE") petition for certiorari in the Iron Ore Antitrust
Litigation, an antitrust lawsuit with the B&LE, thus sustaining the judgment in
favor of the Company against the B&LE in this antitrust lawsuit. On February 11,
1994, the Company received $111.0 million, including interest, in satisfaction
of this judgment, which was recorded as an unusual gain in the first quarter of
1994. The Company used a portion of the proceeds to repurchase $25.2 million
aggregate principal amount of its outstanding First Mortgage Bonds. Pursuant to
the terms of the 1993 labor agreement between the Company and the United
Steelworkers of America (the "USWA"), approximately $11 million of the proceeds
will be deposited into a Voluntary Employee Benefits Association trust (the
"VEBA Trust") established to fund the Company's retiree healthcare obligation
("OPEB") with respect to USWA represented employees. The Company expects to use
remaining proceeds for debt reduction, none of which will be related party
indebtedness, working capital and general corporate purposes.    

The Company did not recognize any income taxes associated with these proceeds,
other than alternative minimum tax of $3.1 million, as regular federal income
tax expense was offset by the utilization of previously reserved tax assets.


NOTE 3 - NATIONAL STEEL PELLET COMPANY
    
As discussed in the 1993 Form 10-K, National Steel Pellet Company, a wholly-
owned subsidiary of the Company ("NSPC"), was temporarily idled in October 1993,
following a strike by the USWA on August 1, 1993, and the subsequent decision to
satisfy the Company's iron ore pellet requirements from external sources. At
December 31, 1993, it was the previous managements' intention (See Management's
Discussion and Analysis-Other) to externally satisfy its iron ore pellet
requirements for a period in excess of two years, which would have caused NSPC
to remain idle for that period. The Company determined that in accordance with
Statement of Financial Accounting Standards No. 5, "Accounting for
Contingencies", a contingent liability of $108.6 million relating to the idle
period had been incurred which was recorded as an unusual charge during the
fourth quarter of 1993. This charge and the amount reserved at December 31, 1993
was primarily comprised of employee benefits such as pensions and OPEBs, which
totaled $68.6 million, along with $40.0 million of expenses directly related to
the idling of the facility. The $40.0 million idle reserve was comprised of
salary and benefits ($17.4 million), ultilities ($5.2 million), noncancelable
leases ($3.3 million), production taxes ($7.3 million), supplies ($3.2 million)
and other miscellaneous expenses related to the idling ($3.6 million).
Substantially all components of the $108.6 million reserve are expected to
require the future utilization of cash. Minnesota law requires that an idled
facility be maintained in a "hot idled" mode for a period of one year, which
significantly increased the cost to idle NSPC. None of the $108.6 million
reserve, including the $40.0 million related to the idle period, related to the
current or future procurement of iron ore pellets from outside sources in the
marketplace.

Effective June 1, 1994, the Company's Board of Directors appointed a new Chief
Operating Officer and President, a new Chief Financial Officer and Senior Vice
President and a new Vice President-Human Resources.  Earlier in the year, new
USWA presidents were elected at both the international and local levels.  In an
effort to reduce delivered iron ore pellet costs and improve pellet mix, as well
as to strengthen the cooperative partnership approach to labor relations,
management considered the feasibility of reopening the NSPC facility. They
determined that if a total reduction of $4 per gross ton in delivered pellet
costs from pre-strike costs could be achieved, NSPC could be reopened on a
cost effective basis. After a series of negotiations, a labor agreement (the
"NSPC Labor Agreement") was reached between the USWA and NSPC. The NSPC Labor
Agreement led to negotiations with other stakeholders such as public utilities,
transportation companies, property owners and suppliers and resulted in the 
achievement of the requisite $4 per gross ton reduction in delivered pellet 
costs and the reopening of the facility in August 1994. While the final number
of employees to elect retirement or remain laid-off has not yet been finalized,
management estimates that the decision to re-open the facility will result in
the restoration of approximately $50 million of the unusual charge recorded in
1993.

The following represents the components of the $108.6 million reserve recorded 
at December 31,1993, the cash utilizations during the six month period June 30, 
1994 and the balance at June 30, 1994:

<TABLE> 
<CAPTION> 
                                December 31,                 June 30,
                                   1993       Utilizations     1994
                                -----------   ------------   -------
                                        (dollars in thousands)
<S>                             <C>           <C>            <C> 
Salary & Benefits.............  $ 17,444      $(4,125)       $13,319
Utilities......................    5,170       (2,563)         2,607
Leases........................     3,300       (1,411)         1,889
Production taxes..............     7,296           -           7,296
Supplies......................     3,200         (642)         2,558
Other.........................     3,590         (507)         3,083
                                --------      --------       -------
      Total idle reserve......    40,000       (9,248)        30,752 
                                --------      --------       -------
Special Pension Termination...    31,893            -         31,893
OPEB Curtailment..............    36,697            -         36,697
                                --------      --------       -------
      Total...................  $108,590      $(9,248)       $99,342 
                                ========      ========       =======
</TABLE> 
At December 31,1993, the USWA had filed 19 unfair practice charges with the 
National Labor Relations Board (the "NLRB") regarding the NSPC dispute. All NLRB
charges have subsequently been dropped.     

                                       8


<PAGE>
 
    
     
NOTE 4 - STOCK OPTIONS

A reconciliation of the Company's stock option activity for 1994 is as follows:

<TABLE>
<CAPTION>

                                                              EXERCISE
                                          NUMBER               PRICE
                                        OF OPTIONS       (WEIGHTED AVERAGE)
                                        ----------       ------------------
<S>                                     <C>              <C>
Balance outstanding at January 1, 1994     584,168             $13.99
Granted                                    303,500              14.00
Exercised                                      --
Forfeited                                 (155,139)
Balance outstanding at June 30, 1994      --------
                                           732,529             $14.00
                                          ========
Exercisable at June 30, 1994               229,029
                                          ========
</TABLE>

Outstanding stock options did not enter into the determination of earnings per
share for 1994 as their effect was not dilutive.


NOTE 5 - RECEIVABLES PURCHASE AGREEMENT

Effective May 16, 1994, the Company entered into a Purchase and Sale Agreement
with National Steel Funding Corporation ("NSFC"), a newly created wholly-owned
subsidiary. Effective on that same date, NSFC entered into a Receivables
Purchase Agreement with a group of twelve banks. The total commitment of the
banks is $180 million, including up to $150 million in letters of credit.  To
implement the arrangement, the Company sold substantially all of its accounts
receivable, and will sell additional receivables as they are generated, to NSFC.
NSFC will finance its ongoing purchase of receivables from a combination of cash
received from receivables already in the pool, short-term intercompany notes and
the cash proceeds derived from selling interests in the receivables to the
participating banks from time to time.

The Certificates of Participation sold to the banks by NSFC have been rated AAA
by Standard & Poor's Corporation, resulting in lower borrowing costs to the
Company.  As of June 30, 1994 no funded participation interests had been sold
under the facility, although $89.4 million in letters of credit had been issued.
With respect to the pool of receivables at June 30, 1994, after reduction for
letters of credit outstanding, the amount eligible for sale was $83.9 million.
During the period May 16, 1994 through June 30, 1994, the eligible amount ranged
from $79.6 million to $90.6 million.  The banks commitments are scheduled to
expire on May 16, 1997, subject to renewal of the agreement.  The Company will
continue to act as servicer of the assets sold into the program and will
continue to make billings and collections in the ordinary course of business
according to established practices.

The Company terminated its revolving secured credit facility, which included a
letter of credit facility on May 16, 1994.  On that same date, the Company also
terminated its subordinated loan agreement with a U.S. subsidiary of NKK
Corporation.

    
NOTE 6 - ENVIRONMENTAL AND LEGAL PROCEEDINGS

The Company's operations are subject to numerous laws and regulations relating 
to the protection of human health and the environment. Because these 
environmental laws and regulations are quite stringent and are generally 
becoming more stringent, the Company has expended, and can be expected to expend
in the future, substantial amounts for compliance with these laws and 
regulations.

It is the Company's policy to expense or capitalize, as appropriate, 
environmental expenditures that relate to current operating sites. Environmental
expenditures that relate to past operations and which do not contribute to 
future or current revenue generation are expensed. With respect to costs for 
environmental assessments or remediation activities, or penalties or fines that 
may be imposed for noncompliance with such laws and regulations, such costs are 
accrued when it is probable that liability for such costs will be incurred and 
the amount of such costs can be reasonably estimated.

The Comprehensive Environmental Response, Compensation and Liability Act of 
1980, as amended ("CERCLA"), and similar state superfund statutes generally 
impose joint and several liability on present and former owners and operators, 
transporters and generators for remediation of contaminated properties 
regardless of fault. The Company and certain of its subsidiaries are involved as
a potentially responsible party ("PRP") at a number of off-site CERCLA or state
superfund site proceedings. At some of these sites, any remediation costs
incurred by the Company would constitute liabilities for which NII is required
to indemnify the Company ("NII Environmental Liabilities"). In addition, at some
of these sites, the Company does not have sufficient information regarding the
nature and extent of the contamination, the wastes contributed by other PRPs, or
the required remediation activity to estimate its potential liability.

In connection with those sites involving NII Environmental Liabilities, in 
January 1994, the Company received $10 million from NII as an unrestricted 
prepayment for such liabilities for which the Company recorded $10 million as a 
liability in its consolidated balance sheet. The Company is required to repay 
NII portions of the $10 million to the extent the Company's expenditures for 
such NII Environmental Liabilities do not meet specified levels by certain dates
over a twenty year period.

The Company has also recorded the reclamation and other costs to restore its 
coal and iron ore mines at its shutdown locations to their original and natural 
state, as required by various federal and state mining statutes.

Since the Company has been conducting steel manufacturing and related operations
at numerous locations for over sixty years, the Company potentially may be 
required to remediate or reclaim any contamination that may be present at these 
sites. The Company does not have sufficient information to estimate its 
potential liability in connection with any potential future remediation at such 
sites. Accordingly, the Company has not accrued for such potential liabilities.

As any of these environmental matters discussed above progress or the Company 
becomes aware of additional matters, the Company may be required to accrue 
charges in excess of those previously accrued. However, although the outcome of 
any of the matters described, to the extent they exceed any applicable reserves,
could have a material adverse effect on the Company's results of operations and 
liquidity for the applicable period, the Company has no reason to believe that 
such outcomes, whether considered individually or in the aggregate, will have a 
material adverse effect on the Company's financial condition.  The Company 
recorded an aggregate environmental liability of approximately $15 million and 
$12 million at June 30, 1994 and December 31, 1993, respectively.

In April 1993, the United States Environmental Protection Agency published a 
proposed guidance document establishing minimum water quality standards and 
other pollution control policies and procedures for the Great Lakes System. 
Until such guidance document is finalized, the Company cannot estimate its 
potential costs for compliance, and there can be no assurances that such 
compliance will not have a material adverse effect on the Company's financial 
condition.

The Company is involved in various non-environmental legal proceedings most of 
which occur in the normal course of its business. The Company does not believe
that the proceedings will have a material adverse effect, either individually or
in the aggregate, on the Company's financial condition. However, with respect to
certain of the proceedings, if reserves prove to be inadequate and the Company
incurs a charge to earnings, such charge could have a material adverse effect on
the Company's results of operations for the applicable period. Certain other
proceedings, if decided adversely to the Company, could have a material adverse
effect on liquidity.
     

                                       9
<PAGE>
 
MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL
CONDITION AND RESULTS OF OPERATIONS


RESULTS OF OPERATIONS
- ---------------------

COMPARISON OF THE THREE-MONTH PERIODS ENDED JUNE 30, 1994 AND 1993


Net Sales
- ---------

Net sales for the second quarter of 1994 increased 4.5% to $650.7 million
compared to $622.7 million for the same period in 1993. This increase is
attributable to an increase in realized selling prices, coupled with a favorable
shift in product mix from lower priced secondary products to higher priced prime
products. These improvements more than offset the effects of a .7% decrease in
shipments. Steel shipments for the current period were 1,274,000 tons compared
to 1,283,000 tons shipped during the same 1993 period.  Raw steel production
totaled 1,434,000 tons, a 4.8% increase from the 1,368,000 tons produced in the
second quarter of 1993.
                        

Cost of Products Sold
- ---------------------

The Company's cost of products sold as a percentage of net sales decreased from
96.9% in the second quarter of 1993 to 93.7% in the same 1994 period.  In
addition to the factors discussed above, operating performance improvements such
as a reduction in manhours per net ton shipped, as well as an upward trend in
yields were among the more significant factors contributing to lower costs in
the second quarter.  Consequently, gross profit as a percentage of net sales
grew from 3.1% in the second quarter of 1993 to 6.3% for the same 1994 period.


Net Income and Third Quarter 1994 Anticipated Results
- -----------------------------------------------------

During the second quarter of 1994, the Company recorded operating and net income
of $10.3 million and $.9 million, respectively.  This compares to operating and
net losses of $13.0 million and $17.4 million, respectively, for the same 1993
period.  Excluding the effect of accounting changes and an unusual gain, the
second quarter of 1994 represents the Company's first profitable quarter in two
years.  Management attributes this return to profitability to a number of
corrective actions aimed at reducing product costs and improving product quality
and delivery performance, along with improvements in realized selling prices.

The Company believes that continued cost reduction efforts together with a
strong market will result in a net profit for the third quarter of 1994.


National Steel Pellet Company
- -----------------------------
    
As discussed in the 1993 Form 10-K, National Steel Pellet Company, a wholly-
owned subsidiary of the Company ("NSPC"), was temporarily idled in October 1993,
following a strike by the USWA on August 1, 1993, and the subsequent decision to
satisfy the Company's iron ore pellet requirements from external sources. At
December 31, 1993, it was the previous management's intention (See Management's
Discussion and Analysis-Other) to externally satisfy its iron ore pellet
requirements for a period in excess of two years, which would have caused NSPC
to remain idle for that period. The Company determined that in accordance with
Statement of Financial Accounting Standards No. 5, "Accounting for
Contingencies", a contingent liability of $108.6 million relating to the idle
period had been incurred which was recorded as an unusual charge during the
fourth quarter of 1993. This charge and the amount reserved at December 31, 1993
was primarily comprised of employee benefits such as pensions and OPEBs, which
totaled $68.6 million, along with $40.0 million of expenses directly related to
the idling of the facility. The $40.0 million idle reserve was comprised of
salary and benefits ($17.4 million), ultilities ($5.2 million), noncancelable
leases ($3.3 million), production taxes ($7.3 million), supplies ($3.2 million)
and other miscellaneous expenses related to the idling ($3.6 million).
Substantially all components of the $108.6 million reserve are expected to
require the future utilization of cash. Minnesota law requires that an idled
facility be maintained in a "hot idled" mode for a period of one year, which
significantly increased the cost to idle NSPC. None of the $108.6 million
reserve, including the $40.0 million related to the idle period, related to the
current or future procurement of iron ore pellets from outside sources in the
marketplace.

Effective June 1, 1994, the Company's Board of Directors appointed a new Chief
Operating Officer and President, a new Chief Financial Officer and Senior Vice
President and a new Vice President-Human Resources.  Earlier in the year, new
USWA presidents were elected at both the international and local levels.  In an
effort to reduce delivered iron ore pellet costs and improve pellet mix, as well
as to strengthen the cooperative partnership approach to labor relations,
management considered the feasibility of reopening the NSPC facility. They
determined that if a total reduction of $4 per gross ton in delivered pellet
costs from pre-strike costs could be achieved, NSPC could be reopened on a
cost effective basis. After a series of negotiations, a labor agreement (the
"NSPC Labor Agreement") was reached between the USWA and NSPC. The NSPC Labor
Agreement led to negotiations with other stakeholders such as public utilities,
transportation companies, property owners and suppliers and resulted in the 
achievement of the requisite $4 per gross ton reduction in delivered pellet 
costs and the reopening of the facility in August 1994. While the final number
of employees to elect retirement or remain laid-off has not yet been finalized, 
management estimates that the decision to re-open the facility will result in
the restoration of approximately $50 million of the unusual charge recorded in
1993.

The following represents the components of the $108.6 million reserve recorded 
at December 31, 1993, the cash utilizations during the six month period June
30, 1994 and the balance at June 30, 1994:

<TABLE> 
<CAPTION> 
                                December 31,                 June 30,
                                   1993       Utilizations     1994
                                -----------   ------------   -------
                                        (dollars in thousands)
<S>                             <C>           <C>            <C> 
Salary & Benefits.............  $ 17,444      $(4,125)       $13,319
Utilities......................    5,170       (2,563)         2,607
Leases........................     3,300       (1,411)         1,889
Production taxes..............     7,296          --           7,296
Supplies......................     3,200         (642)         2,558
Other.........................     3,590         (507)         3,083
                                 -------       -------       ------- 
      Total idle reserve......    40,000       (9,248)        30,752 
                                 -------       -------       -------
Special Pension Termination...    31,893          --          31,893
OPEB Curtailment..............    36,697          --          36,697
                                 -------       -------       -------
      Total...................  $108,590      $(9,248)       $99,342 
                                ========      ========       =======
</TABLE> 
     

                                      10
<PAGE>
 
COMPARISON OF THE SIX-MONTH PERIODS ENDED JUNE 30, 1994 AND 1993

Net Sales
- ---------

Net sales for the first half of 1994 totaled $1.27 billion, a 5.2% increase when
compared to 1993.  This increase was attributable to both an increase in
realized selling prices, as well as an improvement in product mix from lower
priced secondary products to higher priced prime products.  Steel shipments for
the first half of 1994 were 2,507,000 tons, a 2.9% decrease from the 2,582,000
tons shipped during the corresponding 1993 period.  This slight decrease in
volume was more than offset by the improvement in product mix and selling
prices.  Raw steel production increased to 2,795,000 tons, a .3% increase from
the 2,787,000 tons produced during the six month period ended June 30, 1993.


Cost of Products Sold
- ---------------------

Cost of products sold as a percentage of net sales decreased from 98.7% in the
first half of 1993 to 95.4% for the corresponding 1994 period.  This decrease is
reflective of improvements in realized selling prices, product mix and
performance yields, as well as a reduction in product costs.  Correspondingly,
gross profit as a percentage of net sales grew from 1.3% in the first half of
1993 to 4.6% for the same 1994 period.


Unusual Item
- ------------
    
As discussed in the 1993 Form 10-K, the Company received approximately $111.0
million of proceeds, including interest, in the first quarter of 1994 from the
B&LE judgment and, as such, recognized an unusual gain upon its receipt. The
Company utilized a portion of the proceeds to repurchase $25.2 million aggregate
principal amount of its outstanding First Mortgage Bonds. Pursuant to the labor
agreement reached between the Company and the USWA in 1993, $11 million of the
proceeds will be deposited into a VEBA Trust established to prefund the
Company's OPEB obligation with respect to USWA represented employees. The
remaining proceeds will be used for further debt reduction, none of which will
be related party indebtedness, working capital and general corporate 
purposes.     

The Company did not recognize any income taxes associated with these proceeds,
other than alternative minimum taxes of $3.1 million, as regular federal income
tax expense was offset by the utilization of previously reserved tax assets.


OTHER

Change in Management
- --------------------

Effective June 1, 1994, the Company's Board of Directors appointed the following
individuals to serve as executive officers of the Company:

      Name                                   Position
- ------------------    ----------------------------------------------------------
                                                                            
V. John Goodwin       Director, President and Chief Operating Officer     
Robert M. Greer       Senior Vice President and Chief Financial Officer   
David A. Pryzbylski   Vice President-Human Resources and Secretary        
Hiroshi Matsumoto     Director, Vice President and Assistant to the President
George D. Lukes       Vice President-Quality Assurance and Customer Satisfaction
David L. Peterson     Vice President and General Manager, Great Lakes Division
Robert G. Pheanis     Vice President and General Manager, Midwest Division 

Messrs. Goodwin, Greer, Pryzbylski, Lukes, Peterson and Pheanis were formerly
employed by USX Corporation's Gary Works.  Prior to joining the Company, Mr.
Matsumoto was employed by a U.S. subsidiary of NKK Corporation.

Effective June 30, 1994, Yoshito Tokumitsu submitted his resignation as a
Director of the Company.

                                       11
<PAGE>
 
LIQUIDITY AND SOURCES OF CAPITAL
- --------------------------------
            

The Company's liquidity needs arise primarily from capital investments, working
capital requirements and principal and interest payments on its indebtedness.
In addition to the Company's 1993 initial public offering of common stock, the
Company has satisfied these liquidity needs with funds provided by long-term
borrowings and cash provided by operations.
    
On January 24, 1994, the United States Supreme Court denied the B&LE's petition
for certiorari in the Iron Ore Antitrust Litigation, thus sustaining the
judgment in favor of the Company against the B&LE. On February 11, 1994, the
Company received approximately $111 million, including interest, in satisfaction
of this judgment.     
    
Cash and cash equivalents totaled $82.1 million at June 30, 1994 as compared to
$5.3 million at December 31, 1993. This increase is primarily the result of the
B&LE judgment, net of certain uses of the B&LE proceeds. Most significantly, the
Company used a portion of the proceeds to repurchase $25.2 million aggregate
principal amount of the Company's outstanding 8.375% First Mortgage Bonds on
March 31, 1994. The Company will use remaining B&LE proceeds for further debt
reduction, none of which is related party indebtedness, working capital and
general corporate purposes.     


Cash Flows from Operating Activities

For the six months ended June 30, 1994, cash provided from operating activities
increased by $169.4 million compared to the same 1993 period.  This increase was
primarily attributable to the receipt of $111.0 million of proceeds from the
B&LE judgment along with an improvement in net income (See Results of
Operations).  The impact of working capital items reduced cash flows by $38.7
million for the six month period.  A decrease in accounts payable had the most
significant negative effect, due primarily to the timing of cash disbursement
clearings.  Additionally, an increase in accounts receivable had a negative cash
flow impact due to higher shipments during the second quarter when compared to
the previous fourth quarter.  Inventories and accrued liabilities had smaller
cash flow effects, and served to partially offset the aforementioned changes.


Cash Flows from Investing Activities

Capital investments for the first half of 1994 and 1993 amounted to $90.1
million and $39.8 million, respectively.  This increase is largely attributable
to the completion of a pickle line servicing the Great Lakes Division (the
"Pickle Line"), which was financed under a turnkey contract and did not become
the property of the Company until completion and acceptance of the facility
during the first quarter of 1994.  The Company plans to invest approximately $84
million during the remainder of 1994 for capital expenditures to improve its
plant and equipment.


Cash Flows from Financing Activities

Financing activities included borrowings for the first half of 1994 and 1993 of
$88.0 million and $40.5 million, respectively, representing primarily the
commencement of the permanent financing for the Pickle Line and the remaining
financing commitment for the rebuild of the No. 5 coke oven battery at the Great
Lakes Division, respectively.  This increase in borrowings was largely offset by
the repurchase of $25.2 million in First Mortgage Bonds and $14.0 million in
Series 1985 River Rouge Pollution Control Bonds during the first half of 1994.

During the first six months of 1993, the Company completed its initial public
offering of common stock, which generated net proceeds of $141.4 million.
   
                                       12
<PAGE>
 
Sources of Financing

The Company's available sources of liquidity consist of a new Receivables
Purchase Agreement with commitments of up to $180 million (See Note 5 to the
financial statements) and $15 million in uncommitted, unsecured lines of credit
(the "Uncommitted Lines of Credit").  On June 30, 1994, there were no cash
borrowings outstanding under the Receivables Purchase Agreement and outstanding
letters of credit under the new agreement amounted to $89.4 million.  On
February 7, 1994, the Company borrowed $20 million under various short term loan
agreements, all of which was repaid on February 17, 1994.  Additionally, in
February 1994, the Company borrowed a maximum of $5 million under the
Uncommitted Lines of Credit which was repaid later in the month.

Total debt and redeemable preferred stock as a percentage of total
capitalization decreased to 75.3% at June 30, 1994, as compared to 80.2% at
December 31, 1993, as the Company's net income of $78.9 million more than offset
the effect of the commencement of the permanent financing of the Pickle Line.
        
                                       13
<PAGE>
 
                          PART II.  OTHER INFORMATION



ITEM 1.  LEGAL PROCEEDINGS



Baker's Port, Inc. v. National Steel Corporation.  With respect to the matter
involving claims arising out of the sale of land in Texas to Baker's Port, Inc.,
previously reported in the 1993 Form 10-K and Form 10-Q for the quarter ended
March 31, 1994 (the "first quarter Form 10-Q"), the Texas Supreme Court declined
to hear any appeals.  As a result, the appellate rights available to the parties
have been exhausted and the matter has been remanded to the Trial Court for
further proceedings.  The Trial Court has not yet set a trial date.

    
Detroit Coke Corporation v. NKK Chemical USA, Inc.  With respect to the matter
involving the claim of Detroit Coke Corporation ("Detroit Coke") that the
defendants supplied it with defective coal and coal blends which allegedly
caused damage to its coke making facility and environmental problems, previously
reported in the 1993 Form 10-K, Detroit Coke filed a motion for leave to amend
its complaint to clarify its theories of relief, alleging that certain coal and
coke purchase and sale agreements among the parties were one integrated
transaction and that it has suffered damages it believes exceed $150,000,000.
The Company has previously denied all of the allegations of Detroit Coke and is
defending this action.  The Company will file a response to Detroit Coke's
motion to file a second amended complaint and file an answer to the second
amended complaint if Detroit Coke's motion is granted.     
    
Donner-Hanna Coke Joint Venture.   With respect to the matter previously
reported in the 1993 Form 10-K and first quarter Form 10-Q, involving Hanna
Furnace Corporation ("Hanna") and the Donner-Hanna Coke Joint Venture ("Donner-
Hanna"), on July 8, 1994, the Pension Benefit Guaranty Corporation ("PBGC")
filed an application in the United States District Court for the Western
District of New York to terminate the Donner-Hanna's hourly pension plan
retroactively to July 1, 1991 and the salaried plan retroactively to December
31, 1993. If the Court orders that the Plans be terminated, Hanna will be liable
to the PBGC for the underfunding of the Plans.  The Court has set a hearing on
the PBGC's application for August 17, 1994.  Hanna has intervened in this action
and will seek to have the Plans terminated as of an earlier date.  There has
been no funding in 1994 of either of the Plans. Depending upon the date the 
Plans are deemed to have been terminated, Hanna's liability is estimated to
range from $12.3 million to $16.9 million. The Company has accrued the maximum
amount in the range.    
    
USX Corporation v. National Steel Corporation.  In June of 1994, USX Corporation
("USX") sued the Company, three of its directors, six other individuals who
became officers of the Company on June 1, 1994 and NKK Corporation in the
Indiana State Court in Hammond, Indiana, alleging that the Company and others
misappropriated trade secrets and other confidential information of USX's Gary
Works, interfered with USX's relationship with its former employees, and engaged
in unfair trade practices involving  USX's tin plate and automotive business.
The core of the claims is that the Company had hired five management employees
and one former management employee of USX's Gary Works ("the six former
employees") who had signed confidentiality agreements while employees of USX.
None of the six former USX employees had signed employment agreements or
covenants not to compete.  USX requested injunctive relief and unspecified
monetary damages.  Following a hearing on the request for the preliminary
injunction, the Indiana Trial Court in June of 1994 denied USX's preliminary
injunction request, holding that there had been no showing that any of the six
former USX employees had misappropriated USX trade secrets or had engaged in any
illegal conduct.  USX's claims for a permanent injunction and monetary relief
remain pending.  No material developments have occurred in the litigation since
the denial of the request for a preliminary injunction.     
    
Management believes the final disposition of the Baker's Port, Detroit Coke,
Donner-Hanna Coke and USX Corporation matters will not have a material adverse
effect, either individually or in the aggregate, on the Company's financial
condition or results of operations, but could have a material adverse effect on
liquidity.     

        
                                       14
<PAGE>
 
Environmental Matters


The Comprehensive Environmental Response, Compensation and Liability Act of
1980, as amended ("CERCLA"), and similar state superfund statutes generally
impose joint and several liability on present and former owners and operators,
transporters and generators for remediation of contaminated properties
regardless of fault.  In addition to the inactive disposal site located at the
Great Lakes Division facility previously reported in the 1993 Form 10-K, the
Company and certain of its subsidiaries are involved as a potentially
responsible party ("PRP") at a number of off-site CERCLA or state superfund site
proceedings.

The following paragraphs provide updates on previously reported proceedings:

    
Port of Monroe.  With reference to the matter involving the Port of Monroe site
located in Monroe, Michigan, previously reported in the 1993 Form 10-K and first
quarter Form 10-Q, the Michigan Department of Natural Resources ("MDNR") has
agreed to a settlement in which it would accept $500,000 in full payment for all
response costs incurred by it through October 1993.  MDNR also agreed that no
interest will be assessed on the $500,000, so long as a payment in full is
received prior to the end of September 1994.  The terms of the settlement will
eventually be embodied in a Consent Decree, a draft of which is currently being
reviewed by the various potentially responsible parties.  The Company estimates
that its share of the settlement payment will be approximately $50,000, which 
has been accrued.     


NII Sites

    
Lowry Landfill Site.  With reference to the matter involving the Lowry Landfill
Site in Aurora, Colorado, previously reported in the 1993 Form 10-K, the EPA
issued a Special Notice Letter on May 11, 1994 to Alumet alleging that Alumet
is a PRP under CERCLA for cleanup of the Lowry Landfill Superfund Site and
demanding payment of EPA's past and future response costs.  On July 6, 1994, the
Alumet Partnership was served with a complaint filed by the City and County of
Denver, Waste Management of Colorado, Inc. and Chemical Waste Management, Inc.
against multiple companies, including the Alumet Partnership, NII, the Company
and Southwire.  The complaint has not yet been served on the Company. The
complaint alleges that Alumet, NII, Southwire and the Company are liable under
CERCLA for the costs of cleaning up the Lowry Landfill. Because this is a
complex site with numerous operable units, PRPs and different types of wastes,
and because remediation activities are occurring in various stages, the Company
is unable to estimate its potential liability at this site.     


Other


Great Lakes Division - 80 Inch Hot Strip Mill.  With reference to this matter
involving certain outfalls located at the Great Lakes Division facility,
including the outfall at the 80-inch hot strip mill, previously reported in the
1993 Form 10-K and first quarter Form 10-Q, the Coast Guard has issued one
additional penalty assessment in the amount of $8,000.  Also, by letter dated
July 12, 1994, the MDNR requested that the Company submit a comprehensive plan
for addressing oil discharges from the 80-inch hot strip mill on or before
August 13, 1994.


Great Lakes Division - Wayne County Air.  With reference to the matter involving
alleged violations of air pollution regulations, previously reported in the 1993
Form 10-K, to date, approximately eleven notices of violation have been issued
to the Company in 1994 for various process and fugitive emissions sources.  The
Company is not yet able to estimate its liability with respect to these alleged
violations.

    
In connection with certain of the proceedings described above and certain other 
environmental proceedings which the Company is currently involved in, the 
Company has only commenced investigation or otherwise does not have sufficient 
information to estimate its potential liability if any. Although the outcome of 
such proceedings or any fines or penalties that may be assessed in any such 
proceedings, to the extent they exceed applicable reserves, could have a 
material adverse effect on the Company's results of operations and liquidity for
the applicable period, the Company has no reason to believe that any such 
outcomes, fines or penalties, whether considered individually or in the 
aggregate, will have a material adverse effect on the Company's financial 
condition. The Company's accrued environmental liabilities totaled approximately
$15 million at June 30, 1994.      
       
                                       15
<PAGE>
 


ITEM 6.  EXHIBITS AND REPORTS ON FORM 8-K



      (a) Exhibits

          The following is an index of the exhibits included in this Report on
          Form 10-Q/A:
    
          10-B  Receivables Purchase Agreement, dated as of May 16, 1994, 
                among National Steel Funding Corporation, National Steel 
                Corporation and the Financial Institutions listed therein,
                a copy of which is attached hereto.     


      (b) Reports on Form 8-K

          The Company filed a report on Form 8-K (the "report") on June 27,
          1994. The report related to the press release issued on June 1, 1994
          announcing the appointment of V. John Goodwin as President and Chief
          Operating Officer and Robert M. Greer as Senior Vice President and
          Chief Financial Officer.

                                        16
<PAGE>
 
                                   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 thereunto duly authorized.



                                 NATIONAL STEEL CORPORATION



                       BY  /s/Robert M. Greer
                           ----------------------------------------------
                           Robert M. Greer, Senior Vice President and
                           Chief Financial Officer



                       BY  /s/ Carl M. Apel
                           ----------------------------------------------
                           Carl M. Apel, Corporate Controller, Accounting
                           and Assistant Secretary


    
Date:  January 20, 1995     
     
                                       17

<PAGE>
 
CONFIDENTIAL PORTIONS OMITTED AND                                   EXHIBIT 10-B
FILED SEPARATELY WITH THE COMMISSION



                         RECEIVABLES PURCHASE AGREEMENT


                            dated as of May 16, 1994


                                     among

                      NATIONAL STEEL FUNDING CORPORATION,


                          NATIONAL STEEL CORPORATION,
                                  as Servicer,

                   THE FINANCIAL INSTITUTIONS LISTED HEREIN,
                                   as Buyers,

                         MORGAN GUARANTY TRUST COMPANY
                 OF NEW YORK, THE FUJI BANK AND TRUST COMPANY,
                         THE MITSUBISHI BANK, LTD., and
                                 COMERICA BANK,
                       as Letter of Credit Issuing Banks,

                             J.P. MORGAN DELAWARE,
                       as Reserve Letter of Credit Bank,

                         MORGAN GUARANTY TRUST COMPANY
                                  OF NEW YORK,
                            as Administrative Agent
                                      and

                             J.P. MORGAN DELAWARE,
                      as Structuring and Collateral Agent
<PAGE>
 
                               TABLE OF CONTENTS
                               -----------------

                                                                            Page
                                                                            ----

                                   ARTICLE I

                                  DEFINITIONS

1.01.  Certain Definitions.................................................   1
1.02.  UCC Terms...........................................................  27


                                   ARTICLE II

                      PURCHASES, COLLECTIONS AND PAYMENTS

2.01.  Sale and Assignment.................................................  27
2.02.  Incremental Purchases...............................................  28
2.02A. Letters of Credit...................................................  30
2.02B. Reserve Letter of Credit............................................  34
2.03.  Tranches; Yield Accrual Periods; Yield Rates........................  37
2.04.  Accounts and Collections............................................  38
2.05.  Pre-Termination Procedures; Reinvestment............................  39
2.06.  Post-Termination Procedures.........................................  43
2.07.  Fees; Servicer's Compensation.......................................  47
2.08.  Optional Reduction of Commitments...................................  47
2.09.  Payments Under Certain Circumstances................................  47
2.10.  Payments and Computations; Crossover Date...........................  49
2.11.  Change in Circumstances.............................................  50
2.12.  Illegality..........................................................  51
2.13.  Funding Losses......................................................  51
 

                                  ARTICLE III

                   CONDITIONS TO EFFECTIVENESS AND PURCHASES

3.01.  Conditions to Effectiveness.........................................  52
3.02.  Conditions to Incremental Purchases.................................  55
3.03.  Conditions to Each Purchase.........................................  55
 

                                   ARTICLE IV

                         REPRESENTATIONS AND WARRANTIES
 
4.01.  Organization and Qualification......................................  56
4.02.  Corporate Power.....................................................  56


                                       i
<PAGE>
 
                                                                            Page
                                                                            ----
4.03.  Execution and Binding Effect........................................  56
4.04.  Authorizations and Filings..........................................  56
4.05.  Absence of Conflicts................................................  56
4.06.  Accurate and Complete Disclosure....................................  57
4.07.  Litigation..........................................................  57
4.08.  Bulk Sales Act......................................................  57
4.09.  Financial Condition.................................................  57
4.10.  Margin Regulations..................................................  57
4.11.  Environmental Matters...............................................  57
4.12.  Investment Company Act..............................................  57
 

                                   ARTICLE V

                                   COVENANTS
 
5.01.  General Information.................................................  58
5.02.  Information Regarding the Receivables...............................  59
5.03.  Preservation of Corporate Existence.................................  60
5.04.  Compliance with Laws................................................  61
5.05.  No Adverse Interests................................................  61
5.06.  No Merger...........................................................  61
5.07.  Limitations on Activities of NSFC...................................  61
5.08.  Administration of Purchased Receivables.............................  62
5.09.  Protection of Purchased Interest....................................  64


                                  ARTICLE VI

                      TERMINATION AND SERVICING TRANSFER
 
6.01.  Termination Events..................................................  65
6.02.  Consequences of a Termination Event.................................  68
6.03.  Servicing Transfer..................................................  69
 

                                  ARTICLE VII

                                   THE AGENT
 
7.01.  Appointment and Authorization.......................................  69
7.02.  Agent and Affiliates................................................  70
7.03.  Action by Agents....................................................  70
7.04.  Consultation with Experts...........................................  70
7.05.  Liability of Agents.................................................  70
7.06.  Indemnification.....................................................  70
7.07.  Purchase Decision...................................................  71
7.08.  Successor Agent.....................................................  71

                                      ii
<PAGE>
 
                                                                            Page
                                                                            ----
7.09.  Direction by Required Buyers.........................................  71


                                 ARTICLE VIII

                                 MISCELLANEOUS
 
8.01.  Expenses.............................................................  72
8.02.  Indemnity for Changes in Law; Taxes..................................  73
8.03.  General Indemnity....................................................  77
8.04.  Amendments and Waivers...............................................  78
8.05.  No Implied Waiver; Cumulative Remedies...............................  78
8.06.  Notices..............................................................  79
8.07.  Sharing of Set-Offs..................................................  79
8.08.  Successors and Assigns...............................................  80
8.09.  Financial Accommodation..............................................  81
8.10.  No Bankruptcy Petition Against NSFC..................................  81
8.11.  Termination..........................................................  81
8.12.  Severability.........................................................  82
8.13   Governing Law........................................................  82
8.14.  WAIVER OF JURY TRIAL.................................................  82
8.15.  Prior Understandings.................................................  82
8.16.  Counterparts.........................................................  82
8.17.  Termination of Existing Credit Facilities............................  82
8.18.  Limitation of Liability..............................................  83
8.19.  Notices to Standard & Poor's.........................................  83

                                      iii

<PAGE>
 
                             Schedules and Exhibits


Schedule 1     Specified Obligors
Schedule 2     Qualified Banks; Collection Account and Lockbox Information
Schedule 3     Outstanding Letters of Credit to be Deemed Issued Hereunder
Schedule 4     Reimbursement Agreements
Exhibit A      Form of Buyer's Certificate
Exhibit B      Form of Purchase Notice
Exhibit C      Form of Yield Accrual Period Selection Notice
Exhibit D      Form of Daily Report
Exhibit E      Form of Monthly Report
Exhibit F      Form of Lockbox Agreement
Exhibits G-1   Form of Opinions of Counsel to NSFC and NSC
  and G-2        
Exhibit H      Credit and Collection Policy
Exhibit I      Form of Purchase and Sale Agreement
Exhibit J      Form of Parent Note
Exhibit K      Form of Certificate of Incorporation of NSFC
Exhibit L      Form of Resolutions, including Form of Bylaws, of NSFC
Exhibit M      Form of Parent Resolutions
Exhibit N      Form of Perfection Certificate
Exhibit O      Form of Reserve Letter of Credit

                                      iv
<PAGE>
 
                         RECEIVABLES PURCHASE AGREEMENT


          RECEIVABLES PURCHASE AGREEMENT, dated as of May 16, 1994, among
NATIONAL STEEL FUNDING CORPORATION, a Delaware corporation, the financial
institutions listed on the signature pages hereof, as Buyers, MORGAN GUARANTY
TRUST COMPANY OF NEW YORK, THE FUJI BANK AND TRUST COMPANY, THE MITSUBISHI BANK,
LTD. and COMERICA BANK, as Letter of Credit Issuing Banks, J.P. MORGAN DELAWARE,
as Reserve Letter of Credit Bank, NATIONAL STEEL CORPORATION, a Delaware
corporation, as Servicer, MORGAN GUARANTY TRUST COMPANY OF NEW YORK, as
Administrative Agent and J.P. MORGAN DELAWARE, a Delaware banking corporation,
as Structuring and Collateral Agent.

                                    RECITALS

          WHEREAS, subject to the terms and conditions of the Agreement, NSFC
desires to transfer and assign to the Buyers and the Buyers desire to acquire
from NSFC undivided interests in the Purchased Receivables;

          WHEREAS, NSC has agreed to act as Servicer hereunder in respect of the
Purchased Receivables;

          WHEREAS, Morgan Guaranty, The Fuji Bank and Trust Company, The
Mitsubishi Bank, Ltd. and Comerica Bank have agreed to act as Letter of Credit
Issuing Banks and J.P. Morgan Delaware has agreed to act as Reserve Letter of
Credit Issuing Bank; and

          WHEREAS, Morgan Guaranty has been requested and is willing to act as
the Administrative Agent and J.P. Morgan Delaware has been requested and is
willing to act as the Structuring and Collateral Agent;

          NOW, THEREFORE, the parties hereto hereby agree as follows:

                                   ARTICLE I

                                  DEFINITIONS
                                  -----------

          1.01.  Certain Definitions.  As used in this Agreement, the following
terms shall, unless the context otherwise requires, have the following meanings:

          "A-Rated Obligor" means, during any Report Month, an Obligor whose
     outstanding senior unsecured short-term debt securities were rated A-1 or
     higher by S&P as of the end of the immediately preceding Report Month.

<PAGE>
 
          "Adjusted Aggregate Net Investment" means, at any time, Aggregate Net
      Investment at such time less the Allocated ANI at such time.

          "Adjusted Buyers' Interest" means, at any time, a percentage equal to
     the following:

                            (AANI + YR) x (1 +ARP)
                            ----------------------
                                      NPB
 
     where:
 
     AANI    =    Adjusted Aggregate Net Investment
 
     YR      =    Yield Reserve
 
     ARP     =    Adjusted Reserve Percentage
 
     NPB     =    Net Pool Balance

     or, if less, 100%.

          "Adjusted CD Rate" applicable to any Yield Accrual Period means a rate
     per annum equal to the following: (the amount in brackets being rounded
     upwards, if necessary, to the next higher 1/100 of 1%).
 
 
                              [    CDR   ]  +  AR
                              ------------
                              [1.00 - DRP]
 
     where:
 
     CDR     =    the CD Rate,
 
     DRP     =    the Domestic Reserve Percentage, and
 
     AR      =    the Assessment Rate.

          "Adjusted London Interbank Offered Rate" applicable to any Yield
     Accrual Period means a rate per annum equal to the quotient obtained
     (rounded upward, if necessary, to the next higher 1/100 of 1%) by dividing
     (i) the applicable London Interbank Offered Rate by (ii) 1.00 minus the
     Euro-Dollar Reserve Percentage.

          "Adjusted Reserve Percentage" means the greater of (i) (x)    divided
     by (y)      and (ii) (x)Total Reserve Percentage divided by (y)1-Total
     Reserve Percentage.

                                       2
<PAGE>
 
          "Administrative Agent" means Morgan Guaranty as administrative agent
     for the Buyers, and its successors and assigns in such capacity.

          "Administrative Questionnaire" means, with respect to each Buyer or
     Issuing Bank or the Reserve L/C Bank, an administrative questionnaire in
     the form prepared by the Administrative Agent and submitted to the
     Administrative Agent (with a copy to NSFC) duly completed by such Buyer or
     Issuing Bank or the Reserve L/C Bank.

          "Adverse Interest", as to any assets owned by any Person, means any
     Lien on, or any other claim or interest of any other Person in, such asset.

          "Affiliate" means, with respect to a Person, any other Person which
     directly or indirectly controls, is controlled by or is under common
     control with, such Person.  The term "control" means the possession,
     directly or indirectly, of the power to direct or cause the direction of
     the management and policies of a Person, whether through the ownership of
     voting securities, by contract or otherwise.

          "Agent" means the Administrative Agent or the Collateral Agent.

          "Aggregate Net Investment" means, at any time, (i) the sum of the
     Purchase Price theretofore paid to NSFC by advances of Dollars by the
     Buyers or by the issuance (but not extension or renewal) of new Letters of
     Credit less (ii) the aggregate amount received (and not rescinded or
     otherwise returned or restored) by the Buyers to reduce such Aggregate Net
     Investment pursuant to Sections 2.05 and 2.06 less (iii) the aggregate
     Undrawn L/C Amounts of Letters of Credit which expire undrawn (and are not
     extended or renewed) or are delivered to the Issuing Bank for cancellation
     and the aggregate amount of reductions in the Undrawn L/C Amounts of
     outstanding Letters of Credit (other than by drawings thereunder).

          "Aggregate Unpaids" means, at any time, an amount equal to the sum of
     (i) the aggregate accrued and unpaid Yield at such time, (ii) the Aggregate
     Net Investment at such time, (iii) all Fees accrued and unpaid hereunder at
     such time and all L/C Fees that would accrue on all outstanding Letters of
     Credit and the Reserve Letter of Credit until their respective expiry
     dates, (iv) the amount of any unreimbursed drawings under the Reserve
     Letter of Credit, together with all interest accrued thereon and (v) all
     Other

                                       3
<PAGE>
 
     Expenses owed (whether then due or only accrued) hereunder at such time.

          "Agreement" means this Receivables Purchase Agreement, as amended from
     time to time.

          "Allocated ANI" means, at any time, the amount on deposit in the Cash
     Collateral Account in respect of Aggregate Net Investment (including cover
     for Letters of Credit) at such time.

          "Assessment Rate" means for any day the annual assessment rate in
     effect on such day which is payable by a member of the Bank Insurance Fund
     classified as adequately capitalized and within supervisory subgroup "A"
     (or a comparable successor assessment risk classification) within the
     meaning of 12 C.F.R. (S) 327.3(d) (or any successor provision) to the
     Federal Deposit Insurance Corporation (or any successor) for such
     Corporation's (or such successor's) insuring time deposits at offices of
     such institution in the United States.  The Adjusted CD Rate shall be
     adjusted automatically on and as of the effective date of any change in the
     Assessment Rate.

          "Available Collections" means, on any Business Day, (i) the amount of
     the Remainder calculated on such Business Day plus (ii) Allocated ANI at
     the opening of business on such Business Day.

          "Available Commitment" means, at any time, the total Commitments of
     the Buyers at such time minus the Aggregate Net Investment at such time.

          "Base Rate" means (subject to the definition of "Yield Rate"), for any
     day, the sum of (i) the higher of (x) the Prime Rate for such day and (y)
     the rate per annum (rounded upwards, if necessary, to the nearest 1/100 of
     1%) equal to the weighted average of the rates on overnight Federal funds
     transactions with members of the Federal Reserve System arranged by Federal
     funds brokers on such day, as published by the Federal Reserve Bank of New
     York on the New York Business Day next succeeding such day, (or if such day
     is not a New York Business Day, the rate on such transactions on the next
     preceding New York Business Day as so published on the next succeeding New
     York Business Day or, if no such rate is published on such next succeeding
     New York Business Day, the average rate quoted to Morgan Guaranty on such
     day for such transactions as determined by the Administrative Agent)     
                                    and (ii) for any day from and including the
     Closing Date to but not including the

                                       4
<PAGE>
 
     date on which the Administrative Agent delivers a notice of termination of
     the Commitments pursuant to Section 6.02 or an Event of Bankruptcy occurs
     with respect to NSFC or NSC, 0% per annum and, thereafter,      per annum;
     "New York Business Day" means any day other than a Saturday, Sunday or any
     other day on which banking institutions are authorized or required to close
     in New York City.

          "Business Day" means any day other than a Saturday, Sunday, or any
     other day on which banking institutions are authorized or required to close
     in New York City or Wilmington, Delaware or Mishawaka, Indiana.

          "Buyers" means the financial institutions listed on the signature
     pages hereof as Buyers and any assignees thereof pursuant to Section 8.08.

          "Buyer's Certificate" means each certificate issued to a Buyer
     substantially in the form of Exhibit A.

          "Buyers' Interest" means, at any time, a percentage equal to the
     following:

                             (ANI + YR) x (1 + ARP)
                             ----------------------
                                      NPB

     where:

     ANI  =    Aggregate Net Investment

     YR   =    Yield Reserve

     ARP  =    Adjusted Reserve Percentage

     NPB  =    Net Pool Balance

     or, if less, 100%; provided that at any time on and after the Termination
     Date until (and including) the Final Payment Date, the Buyers' Interest
     shall be equal to, at any time of determination, the greater of (i) the
     Buyers' Interest calculated as provided above at the close of business on
     the Business Day preceding the Termination Date, and (ii) the Buyers'
     Interest calculated as provided above (including as ANI for this purpose
     any unreimbursed drawing under the Reserve Letter of Credit in respect of
     Aggregate Net Investment); provided further that at any time during a
     Ratings Suspension Period, the Buyer's Interest shall be equal to, at the
     time of determination, the greater of (i) the Buyers' Interest calculated
     as provided

                                       5
<PAGE>
 
     above at the close of business on the Business Day preceding the
     commencement of the Ratings Suspension Period and (ii) the Buyers' Interest
     calculated as provided above.

          "Cash Collateral Account" has the meaning given to such term in
     Section 2.04.

          "Cash Collateral Account Investments" means certificates of deposit or
     time deposits, in each case in the name of the Collateral Agent as
     Collateral Agent hereunder, of any bank or trust company organized under
     the laws of the United States of America or any state thereof or any branch
     or trust company organized under the laws of a foreign jurisdiction that is
     subject to supervision and examination by United States Federal or state
     banking authorities, the certificates of deposit of which bank are rated A-
     1+ by S&P, such certificates of deposit or time deposits to mature such
     that funds will be available to make payments out of the Cash Collateral
     Account as contemplated hereby without having to liquidate any such
     certificates of deposit or time deposits.

          "CD Rate" applicable to any Yield Accrual Period means the rate of
     interest determined by the Administrative Agent to be the average (rounded
     upward, if necessary, to the next higher of 1/100 of 1%) of the prevailing
     rates per annum bid at 10:00 A.M. (New York City time) (or as soon
     thereafter as practicable) on the first day of such Yield Accrual Period by
     two or more New York certificate of deposit dealers of recognized standing
     for the purchase at face value from each CD Reference Bank of its
     certificates of deposit in an amount approximately equal to such CD
     Reference Banks' pro rata share of the Tranche to which such Yield Accrual
     Period is to apply and for a period of time comparable to such Yield
     Accrual Period.

          "CD Reference Banks" means The Fuji Bank and Trust Company, The
     Mitsubishi Bank, Ltd. and Morgan Guaranty.

          "Closing Date" has the meaning given to such term in Section 3.01.

          "Collateral Agent" means J.P. Morgan Delaware as Structuring and
     Collateral Agent for the Buyers, and its successors and assigns in such
     capacity.

          "Collection Account" has the meaning given to such term in Section
     2.04.

                                       6 
<PAGE>
 
          "Collection Account Bank" means at any time the bank at which the
     Collection Account is then maintained.

          "Collections" means, for any Receivable, (i) all amounts, whether in
     the form of cash, checks, drafts, or other instruments, received by NSC or
     NSFC or in a Lockbox in payment of such Receivable, including, without
     limitation, all amounts received on account of finance charges and fees
     with respect to such Receivable, (ii) cash proceeds of the Related Security
     with respect to such Receivable, (iii) all amounts paid to the Collection
     Account with respect to such Receivable as a Collection pursuant to Section
     2.09 hereof and (iv) any amounts paid or credited by NSC to NSFC in respect
     of Receivables pursuant to Section 2.02 of the Purchase and Sale Agreement.

          "Commitment" means, with respect to each Buyer, the amount set forth
     opposite the name of such Buyer on the signature pages hereof, as such
     amount may be reduced pursuant to Section 2.08; provided that if at any
     time a Ratings Suspension Period has commenced, a Buyer may by notice to
     the Administrative Agent and NSFC given during the first 10 days of such
     Ratings Suspension Period reduce or terminate its Commitment, such
     reduction in or termination of Commitment to be effective on the Crossover
     Date.

          "Commitment Fee" means a fee of        per annum (calculated on the
     basis of a year of 360 days and actual days elapsed) on the daily average
     Available Commitment.

          "Commitment Reduction" means the amount, if any, by which a Buyer
     reduces its Commitment pursuant to the proviso in the definition of
     "Commitment" (or if pursuant to such proviso it terminates its Commitment,
     the amount of its Commitment).

          "Computation Date" means, for any day, the Business Day immediately
     preceding such day.

          "Concentration Limit" means, (i) for each A-Rated Obligor (which is
     not a Special Obligor) individually, and for each such A-Rated Obligor and
     such Obligor's Affiliates considered as a whole, 10%, (ii) for each Special
     Obligor individually, and for each such Obligor and its Affiliates
     considered as a whole, the relevant Concentration Limit set forth on
     Schedule 1, and (iii) for each Obligor which is not an A-Rated Obligor or a
     Special Obligor (even if it is an Affiliate of an A-Rated Obligor or a
     Special Obligor), and for each such
 
                                       7
<PAGE>
 
     Obligor (other than an Obligor which is an Affiliate of an A-Rated Obligor
     or a Special Obligor) and its Affiliates considered as a whole, 4%.

          "Consolidated Subsidiary" means, as to any Person at any date, any
     Subsidiary or other entity the accounts of which would be consolidated with
     those of such Person in such Person's consolidated financial statements
     prepared in accordance with GAAP as of such date.

          "Continuing Buyer" means each Buyer that has not, during the first 10
     days of a Ratings Suspension Period, given notice that its Commitment is to
     terminate as contemplated by the proviso in the definition of "Commitment".

          "Continuing Commitment" of each Continuing Buyer means the Commitment
     of such Buyer after giving effect to the reduction, if any, therein
     pursuant to the proviso in the definition of "Commitment".

          "Contract" as it relates to any Receivable means the agreement between
     NSC and the Obligor giving rise thereto (including as evidenced by an
     invoice on an open account).

          "Credit and Collection Policy" means the credit, collection,
     enforcement and other policies and practices relating to Receivables set
     forth in Exhibit H.

          "Crossover Date" means the first date after the 10th day of a Ratings
     Suspension Period on which the share of Aggregate Net Investment held by
     each Buyer does not exceed the Continuing Commitment of such Buyer (or, in
     the case of a Reducing Buyer that has terminated its Commitment, zero).

          "Daily Report" has the meaning given to such term in Section 5.02.

          "Days' Sales Outstanding" means, at any time, the "Days' Sales
     Outstanding" as set forth on the Monthly Report delivered on the
     immediately preceding Settlement Date.

          "Debt" of any Person means, at any date, without duplication, (i) all
     obligations of such Person for borrowed money, (ii) all obligations of such
     Person evidenced by bonds, debentures, notes or other similar instruments,
     (iii) all obligations of such Person in respect of letters of credit or
     similar instruments,
 
                                       8
<PAGE>
 
     (iv) all obligations of such Person to pay the deferred purchase price of
     property or  services, except trade accounts payable arising in the
     ordinary course of business, (v) all obligations of such Person as lessee
     under capital leases, and (vi) all Debt of others secured by a Lien on any
     asset of, or Guaranteed by, such Person, whether or not such Debt is
     assumed by such Person.

          "Default Ratio" means the ratio (expressed as a percentage) calculated
     on any Settlement Date by dividing (i) the aggregate balance of all
     Receivables that were not Defaulted Receivables at the beginning of the
     Report Month ending on the Month-end Date for such Settlement Date but that
     were either (x) written off during such Report Month or (y) Defaulted
     Receivables on the Month-end Date for such Settlement Date by (ii) the
     aggregate amount of Receivables that were generated during the fourth
     Report Month preceding such Settlement Date.

          "Defaulted Receivable" means a Receivable (i) in respect of which
     collection in full has become doubtful, a reserve has been allocated, or an
     estimated or actual loss has been recognized as determined in accordance
     with the Credit and Collection Policy, (ii) which has become uncollectible
     by reason of such Obligor's inability to pay, as determined in accordance
     with the Credit and Collection Policy, (iii) in respect of which an Event
     of Bankruptcy has occurred with respect to the related Obligor or any
     Affiliate thereof, or (iv) in respect of which payment is more than 60 days
     past due.

          "Delinquency Ratio" shall mean the ratio (expressed as a percentage)
     calculated on any Settlement Date by dividing (i) the aggregate Outstanding
     Balance of all Receivables which are greater than 30 days but fewer than 61
     days past due on the Month-end Date for such Settlement Date by (ii) the
     Outstanding Balance of all Receivables on the Month-end Date for such
     Settlement Date.

          "Dilution Adjustments" means all credits, allowances, deductions,
     cancellations, rebates, discounts, adjustments (for warranty claims,
     disputes, counterclaims, setoffs, returned or repossessed goods or
     otherwise) or any other reduction in the Outstanding Balance of a
     Receivable (other than by payment thereof by or on behalf of the Obligor)
     after booking such Receivable, but not in any case because of default or
     other credit-related matters with respect to the Obligor.
 
                                       9
<PAGE>
 
          "Dilution Ratio" means the ratio (expressed as a percentage) 
     calculated on any Settlement Date by dividing (i) the aggregate reduction
     in the original balance of all Receivables which have been reduced by any
     Dilution Adjustment during the Report Month ending on the Month-end Date
     for such Settlement Date by (ii) the aggregate amount of Receivables that
     were generated during the Report Month ending on the Month-end Date for the
     second preceding most recent Settlement Date.

          "Dilution Reserve Percentage" means, with respect to any date of
     determination,  the percentage derived by multiplying (i) the highest of
     the Dilution Ratios as calculated as of the Month-end Dates for the twelve
     most recent Settlement Dates, (ii) (x) the aggregate amount of Receivables
     that were generated during the Report Month ending on the Month-end Date
     for the second preceding most recent Settlement Date, divided by (y) the
     aggregate Outstanding Balance of Receivables on such Month-end Date and
     (iii) 3.40.

          "Dollar" and "$" means lawful currency of the United States of
     America.

          "Domestic Reserve Percentage" means for any day that percentage
     (expressed as a decimal) which is in effect on such day, as prescribed by
     the Board of Governors of the Federal Reserve System (or any successor) for
     determining the maximum reserve requirement (including without limitation
     any basic, supplemental or emergency reserves) for a member bank of the
     Federal Reserve System in New York City with deposits exceeding five
     billion dollars in respect of new non-personal time deposits in dollars in
     New York City having a maturity comparable to the related Yield Accrual
     Period and in an amount of $100,000 or more.  The Adjusted CD Rate shall be
     adjusted automatically on and as of the effective date of any change in the
     Domestic Reserve Percentage.

          "Eligible Receivable" means, at any time, any Purchased Receivable:

          (a) which, at such time, meets the "Eligibility Criteria" as defined
     in the Purchase and Sale Agreement;

          (b) which is not subject to dispute, defense, counterclaim or setoff
     (or to the extent not so subject) and which has not been modified or
     extended, except in conformity with the Credit and Collection Policy;
 
                                       10
<PAGE>
 
          (c) which has not been classified as counterfeit, fraudulent or
     charged-off; which is not an obligation of an Obligor, or an Affiliate of
     an Obligor, a Receivable which has been classified as counterfeit,
     fraudulent or charged-off; and which is not a Defaulted Receivable, or the
     obligation of an Obligor, or an Affiliate of an Obligor, on a Defaulted
     Receivable; and

          (d) (i) which NSFC has not sold, assigned, or otherwise encumbered
     except pursuant to this Agreement; (ii) as to which all consents, licenses,
     approvals or authorizations required to be obtained in connection with the
     sale of the Purchased Interest to the Buyers have been duly obtained and as
     to which the sale of such Purchased Interest complies with all applicable
     requirements of law; (iii) as to which, immediately prior to the sale of
     the Purchased Interest to the Buyers, NSFC was the sole owner of all right,
     title and interest in and to such Receivable, any Related Security, any
     Collections and any proceeds of the foregoing, and had good and marketable
     title thereto free and clear of all Adverse Interests; (iv) as to which the
     transfer of the Purchased Interest under this Agreement constitutes a valid
     sale to the Buyers of all right, title and interest of NSFC in and to the
     Purchased Interest, enforceable against all creditors of and purchasers
     from NSFC; and (v) as to which the Collateral Agent has, for the benefit of
     the Buyers and the Collateral Agent, a first priority perfected security
     interest in the Purchased Interest and as to which the Buyers own the
     Purchased Interest free of any Adverse Interest.

          "Environmental Laws" means any and all Federal, state, local and
     foreign statutes, laws, regulations, ordinances, rules, judgments, orders,
     decrees, permits, concessions, grants, franchises, licenses, agreements or
     other governmental restrictions relating to the environment or to
     emissions, discharges or releases of pollutants, contaminants, petroleum or
     petroleum products, chemicals or industrial, toxic or hazardous substances
     or wastes into the environment including, without limitation, ambient air,
     surface water, ground water, or land, or otherwise relating to the
     manufacture, processing, distribution, use, treatment, storage, disposal,
     transport, or handling of pollutants, contaminants, petroleum or petroleum
     products, chemicals or industrial, toxic or hazardous substances or wastes
     or the clean-up or other remediation thereof.
 
                                       11
<PAGE>
 
          "ERISA" means the Employee Retirement Income Security Act of 1974, as
     amended, and any successor statutes.

          "ERISA Group" means NSC and all members of a controlled group of
     corporations and all trades or businesses (whether or not incorporated)
     under common control which, together with NSC, are treated as a single
     employer under Section 414 of the Internal Revenue Code.

          "Euro-Dollar Business Day" means any Business Day on which commercial
     banks are open for international business (including dealings in Dollar
     deposits) in London.

          "Euro-Dollar Rate" means (subject to the definition of "Yield Rate"),
     for any Yield Accrual Period, the sum of (i) the Adjusted London Interbank
     Offered Rate applicable to such Yield Accrual Period and (ii) for any day
     from and including the Closing Date to but not including the date on which
     the Administrative Agent delivers a notice of termination of the
     Commitments pursuant to Section 6.02 hereof or an Event of Bankruptcy
     occurs with respect to NSFC or NSC,      per annum and, thereafter, 
     per annum.

          "Euro-Dollar Reference Banks" means the principal London offices of
     The Fuji Bank and Trust Company, The Mitsubishi Bank, Ltd. and Morgan
     Guaranty.

          "Euro-Dollar Reserve Percentage" means, for any day, that percentage
     (expressed as a decimal) which is in effect on such day, as prescribed by
     the Board of Governors of the Federal Reserve System (or any successor) for
     determining the maximum reserve requirement for a member bank of the
     Federal Reserve System in New York City with deposits exceeding five
     billion dollars in respect of "Eurocurrency liabilities" (or in respect of
     any other category of liabilities which includes deposits by reference to
     which the interest rate on euro-dollar loans is determined or any category
     of extensions of credit or other assets which includes loans by a non-
     United States office of any Bank to United States residents).  The Adjusted
     London Interbank Offered Rate shall be adjusted automatically on and as of
     the effective date of any change in the Euro-Dollar Reserve Percentage.

          "Event of Bankruptcy" means, with respect to any Person:
 
                                       12
<PAGE>
 
               (a)  the commencement of an involuntary case or other proceeding
          against such Person seeking liquidation, reorganization or other
          relief with respect to it or its debts under any bankruptcy,
          insolvency or other similar law now or hereafter in effect or seeking
          the appointment of a trustee, receiver, liquidator, custodian or other
          similar official of such Person or any substantial part of its
          property (unless, in the case of any Material Subsidiary of NSC (which
          is not NSFC or the Servicer), such proceeding is controverted within
          10 days of commencement and is dismissed within 60 days of
          commencement); or the entry of an order for relief against such Person
          under the federal bankruptcy laws as now or hereafter in effect; or

               (b) the commencement by such Person of a voluntary case or other
          proceeding seeking liquidation, reorganization or other relief with
          respect to itself or its debts under any bankruptcy, insolvency or
          other similar law now or hereafter in effect, or seeking the
          appointment of a trustee, receiver, liquidator, custodian or other
          similar official of such Person or any substantial part of its
          property, or such Person's consent to any such relief or to the
          appointment of or taking possession by any such official in an
          involuntary case or other proceeding commenced against it, or the
          making by such Person of a general assignment for the benefit of
          creditors, or the taking by such Person of any corporate action to
          authorize any of the foregoing.

          "Existing Credit Facilities" means the Amended and Restated Credit
     Agreement dated as of August 21, 1987, as amended, among National Steel
     Corporation, the banks listed therein and Morgan Guaranty Trust Company of
     New York, as Agent, the reimbursement agreements listed on Schedule 4 and
     the L/C Repayment Credit Agreements referred to in the aforesaid Amended
     and Restated Credit Agreement.

          "Expiry Date" means May 16, 1997 or if such date is not a Business
     Day, the next succeeding Business Day.

          "Fees" means Commitment Fees and L/C Fees.

          "Final Payment Date" means the date following the Termination Date
     when the Aggregate Unpaids have been paid in full, there are no outstanding
     Letters of Credit, the Reserve Letter of Credit is no longer outstanding
     and the Servicer (if not NSFC or any of its
 
                                       13
<PAGE>
 
     Affiliates) has received all accrued Servicer's Compensation.

          "Fixed CD Rate" means (subject to the definition of "Yield Rate"), for
     any Yield Accrual Period, the sum of (i) the Adjusted CD Rate applicable to
     such Yield Accrual Period and (ii) for any date from and including the
     Closing Date to but not including the date on which the Administrative
     Agent delivers a notice of termination of the Commitments pursuant to
     Section 6.02 hereof or an Event of Bankruptcy occurs with respect to NSFC
     or NSC, .625% per annum and, thereafter, 2.625% per annum.

          "GAAP" means generally accepted accounting principles in the United
     States of America as in effect from time to time.

          "Guarantee" by any Person means any obligation, contingent or
     otherwise, of such Person directly or indirectly guaranteeing any Debt or
     other obligation of any other Person and, without limiting the generality
     of the foregoing, any obligation, direct or indirect, contingent or
     otherwise, of such Person (i) to purchase or pay (or advance or supply
     funds for the purchase or payment of) such Debt or other obligation
     (whether arising by virtue of partnership arrangements, by agreement to
     keep-well, to purchase assets, goods, securities or services, to take-or-
     pay, or to maintain financial statement conditions or otherwise) or (ii)
     entered into for the purpose of assuring in any other manner the obligee of
     such Debt or other obligation of the payment thereof or to protect such
     obligee against loss in respect thereof (in whole or in part), provided
     that the term Guarantee shall not include endorsements for collection or
     deposit in the ordinary course of business.  The term "Guarantee" used as a
     verb has a corresponding meaning.

          "Incremental Purchase" has the meaning given to such term in 
     Section 2.02.

          "Internal Revenue Code" means the Internal Revenue Code of 1986, as
     amended from time to time and any successor thereto, and the regulations
     promulgated and rulings issued thereunder.

          "Issuing Bank" shall mean each of Morgan Guaranty, The Fuji Bank and
     Trust Company, The Mitsubishi Bank, Ltd. and Comerica Bank, as issuers of
     Letters of Credit under Section 2.02A hereof, together with their
     successors and assigns in such capacity.

                                       14
<PAGE>
 
          "Issuing Bank Letter of Credit Fee" shall mean for each Issuing Bank a
     fee of 0.25% per annum (calculated on the basis of a year of 360 days and
     actual days elapsed) on the aggregate Undrawn L/C Amount of all outstanding
     Letters of Credit issued by such Issuing Bank.

          "J.P. Morgan Delaware" means J.P. Morgan Delaware, a Delaware banking
     corporation.

          "L/C Fees" shall mean the Issuing Bank Letter of Credit Fee, the
     Letter of Credit Participation Fee and the Reserve L/C Fee.

          "Letter of Credit" means a letter of credit issued by an Issuing Bank
     pursuant to Section 2.02A hereof.

          "Letter of Credit Participation Fee" shall mean a fee of .50% per
     annum (calculated on the basis of a year of 360 days and actual days
     elapsed) on the aggregate Undrawn L/C Amount of all outstanding Letters of
     Credit.

          "Letter of Credit Tranche" shall mean with respect to each Letter of
     Credit, if any drawing is made thereunder, the amount of such drawing less
     the amount thereof that has been repaid to the Buyers or the Issuing Bank,
     as the case may be, pursuant to Sections 2.05 and 2.06 hereof.

          "Lien" means, in respect of any asset, any mortgage, pledge, lien,
     security interest, charge or other encumbrance or security arrangement of
     any nature whatsoever, including, without limitation, any conditional sale,
     capital lease or title retention arrangement in respect of such asset.

          "Liquidation Yield" means on any date an amount equal to the
     following:
 
               ANI x YR x DSO x 2
                          -------
                            360
 
     where:
 
     ANI  =    Aggregate Net Investment on such date
 
     YR   =    the rate determined under clause (i) of the
               definition of "Base Rate" plus 2%
 
     DSO  =    Days' Sales Outstanding

                                       15
<PAGE>
 
     (including as ANI for this purpose any unreimbursed drawing under the
     Reserve Letter of Credit in respect of Aggregate Net Investment).

          "Lockbox" means a lockbox for deposit of Collections of Receivables.

          "Lockbox Account" means the bank account associated with a Lockbox and
     subject to a Lockbox Agreement.

          "Lockbox Agreement" means the letter and instructions relating to a
     Lockbox and the related Lockbox Account substantially in the form of
     Exhibit F hereto.

          "Lockbox Bank" means, at any time, a bank administering a Lockbox and
     the related Lockbox Account.

          "London Interbank Offered Rate" means, with respect to any Yield
     Accrual Period, the average (rounded upward, if necessary, to the next
     higher 1/16 of 1%) of the respective rates per annum at which deposits in
     Dollars are offered to each of the Euro-Dollar Reference Banks in the
     London interbank market at approximately 11:00 a.m. (London time) two Euro-
     Dollar Business Days prior to the first day of such Yield Accrual Period in
     an amount approximately equal to such Euro-Dollar Reference Bank's pro rata
     share of the Tranche to which such Yield Accrual Period is to apply and for
     a period of time comparable to such Yield Accrual Period.

          "Loss Reserve Percentage" means, with respect to any date of
     determination, the product of (i)     times (ii) the highest average of the
     Default Ratios as calculated as of the Month-end Dates for any three
     consecutive of the most recent twelve Settlement Dates times (iii) (x) the
     aggregate amount of Receivables that were generated during the three
     consecutive Report Months ending on the Month-end Date for the most recent
     Settlement Date, divided by (y) the aggregate Outstanding Balance of
     Receivables on such Month-end Date times (iv) (A)(x) the weighted average
     original days to maturity of all Receivables calculated as of the Month-end
     Date for the most recent Settlement Date, divided by 30 and rounded to the
     nearest .01 (upwards if .005) plus                       .

          "Loss to Liquidation Ratio" means the ratio (expressed as a
     percentage) calculated on any Settlement Date by dividing (i) the aggregate
     balance
 
                                       16
<PAGE>
 
     of all Receivables written off during the three Report Months ending on the
     Month-end Date for such Settlement Date by (ii) the aggregate amount of
     Collections in respect of all Receivables during such three Report Months.

          "Material Plan" means at any time a Plan or Plans having aggregate
     Unfunded Liabilities in excess of $5,000,000.

          "Material Subsidiary" means, at any date, any Subsidiary of NSC the
     book value of the assets of which, as of the end of the most recent fiscal
     year for which financial statements are available, accounted for 10% or
     more of the book value of the consolidated assets of NSC.

          "Maximum Letter of Credit Commitment" shall mean an aggregate of
     $150,000,000, as such amount may be reduced from time to time pursuant to
     Section 2.08 hereof; provided that if the total Commitments are
     $150,000,000, or less, the aggregate amount of the Commitments.

          "Month-end Date" means the second Business Day of each calendar month;
     provided that the Collateral Agent may agree from time to time that the
     Month-end Date can be delayed for one or two Business Days in connection
     with a systems failure or other event or situation or condition affecting
     NSC or NSFC which delays the monthly closing of the books.

          "Monthly Report" has the meaning given to such term in Section 5.02.

          "Moody's" means Moody's Investors Service, Inc., together with its
     successors.

          "Morgan Guaranty" means Morgan Guaranty Trust Company of New York, a
     New York State banking corporation.

          "Multiemployer Plan" means at any time an employee pension benefit
     Plan within the meaning of Section 4001(a)(3) of ERISA to which any member
     of the ERISA Group is then making or accruing an obligation to make
     contributions or has within the preceding five plan years made
     contributions, including for these purposes any Person which ceased to be a
     member of the ERISA Group during such five year period.

          "NSC" means National Steel Corporation, a Delaware corporation, and
     its successors.
 
                                       17
<PAGE>
 
          "NSFC" means National Steel Funding Corporation, a Delaware 
     corporation, and its successors.

          "Net Pool Balance" means, at any time, the Outstanding Balance of the
     Eligible Receivables at such time less the aggregate amount by which the
     Outstanding Balance of all Eligible Receivables of each Obligor and its
     Affiliates taken as a whole at such time exceeds (x) the aggregate
     Outstanding Balance of all Eligible Receivables at such time multiplied by
     (y) the Concentration Limit for such Obligor and its Affiliates.

          "New Collections" has the meaning given to such term in Section 2.05.

          "New Percentage" means, for each Buyer, the percentage derived by
     dividing its Continuing Commitment, if any, by the aggregate amount of the
     Continuing Commitments.

          "Obligor" means, for any Receivable, each Person who is obligated to
     make payments in respect of such Receivable.

          "Other Expenses" means all amounts payable hereunder to the Buyers or
     the Issuing Banks or the Reserve L/C Bank or either Agent not constituting
     payments in respect of Aggregate Net Investment, Yield or Fees or, in the
     case of the Reserve L/C Bank, reimbursement of drawings under the Reserve
     Letter of Credit and interest thereon.

          "Outstanding Balance" of any Receivable means, at any time, the then
     outstanding amount thereof, including any accrued and outstanding finance
     charges related thereto.

          "Overadvance Suspension Event" means the occurrence and continuation
     of the following event:  the Adjusted Buyers' Interest shall have
     theretofore exceeded 95% for at least 5 consecutive Business Days (whether
     or not the Adjusted Buyers' Interest still exceeds 95%) unless, and until
     such time as, the Required Buyers have agreed in writing that such
     Overadvance Suspension Event is no longer in effect.

          "Parent Note" means the note of NSFC payable to NSC substantially in
     the form of Exhibit J.

          "PBGC" means the Pension Benefit Guaranty Corporation and any entity
     succeeding to any or all of its functions under ERISA.
 
                                       18
<PAGE>
 
          "Person" means an individual, corporation, partnership, trust, 
     association, governmental entity or any other entity of whatever nature.

          "Plan" means at any time an employee pension benefit plan (other than
     a Multiemployer Plan) which is covered by Title IV of ERISA subject to the
     minimum funding standards under Section 412 of the Internal Revenue Code
     and either (i) is maintained, or contributed to, by any member of the ERISA
     Group for employees of any member of the ERISA Group or (ii) has at any
     time within the preceding five years been maintained, or contributed to, by
     any Person which was at such time a member of the ERISA Group for employees
     of any Person which was at such time a member of the ERISA Group.

          "Potential Termination Event" means an event or condition which with
     the giving of notice or passage of time would constitute a Termination
     Event.

          "Prime Rate" means the prime rate announced from time to time by
     Morgan Guaranty in New York City.

          "Program Documents" means this Agreement, the Purchase and Sale
     Agreement, the Lockbox Agreements, the Transfer Letters, the Servicing
     Agreement (if any), the Parent Note, the Reserve Letter of Credit, NSFC's
     certificate of incorporation and by-laws, and such other agreements,
     documents and instruments entered into and delivered by NSFC, the Seller or
     the Servicer in connection with the transactions contemplated by this
     Agreement and the Purchase and Sale Agreement.

          "Purchase" means an Incremental Purchase or a Reinvestment.

          "Purchase and Sale Agreement" means the Purchase and Sale Agreement
     dated as of May 16, 1994 between NSC, as seller, and NSFC, as purchaser,
     substantially in the form of Exhibit I, as amended from time to time.

          "Purchase Notice" has the meaning given to such term in Section 2.02.

          "Purchase Price" has the meaning given to such term in Section 2.02.

          "Purchased Interest" means at any time an undivided percentage
     ownership interest equal to the Buyers' Interest at such time in (i) each
     and every Purchased Receivable then outstanding, (ii) all Related Security
     with respect to each such Purchased
 
                                       19
<PAGE>
 
     Receivable, (iii) all Collections with respect thereto and (iv) all
     proceeds of the foregoing.

          "Purchased Receivable" means at any time a Receivable then or
     theretofore purchased by NSFC from NSC and not theretofore repurchased by
     NSC pursuant to Purchase and Sale Agreement.

          "Qualified Bank" means (i) any Buyer, (ii) any bank or trust company
     organized under the laws of the United States of America or any state
     thereof or any branch or agency located in the United States of any bank or
     trust company organized under the laws of a foreign jurisdiction that is
     subject to supervision and examination by United States Federal or state
     banking authorities, that (x) has capital, surplus and undivided profits of
     at least $500,000,000 and (y) whose long-term debt obligations are rated at
     least A (without a minus sign) by S&P and A2 by Moody's and (iii) any other
     bank (x) listed as a Qualified Bank on Schedule 2 hereto or (y) approved as
     a Qualified Bank by the Required Buyers; provided that as to any bank not
     meeting the standards set forth in clause (ii), the Required Buyers may,
     upon not less than 30 days' notice to NSFC, specify that such bank shall no
     longer be a Qualified Bank hereunder.

          "Ratings Suspension Period" means the period commencing on the day
     after any day on which the rating by S&P of the Buyer's Certificate is
     reduced to a rating below AA- (even if there has been a previous reduction
     in such rating to below AA-) and ending on the Crossover Date (or, if
     earlier, (x) the day on which each of the Buyers advises the Administrative
     Agent that it will maintain its Commitment hereunder at the same level
     notwithstanding such reduction in such rating or (y) the Termination Date).

          "Receivable" means at any time a trade receivable originated in
     connection with the sale of goods or the provision of services by NSC in
     its normal course of business, other than receivables (i) owing by any
     Obligor that is a governmental entity, (ii) owing by any Obligor not
     domiciled in the United States, (iii) owing by any Obligor that is a
     Subsidiary or Affiliate of NSC, (iv) arising from miscellaneous sales
     categorized as "product application center sales" or (v) arising from
     miscellaneous sales categorized as "non-by-product sales".

          "Reducing Buyers" means those Buyers which elect to reduce or
     terminate their Commitments pursuant to the proviso in the definition of
     "Commitment".
 
                                       20
<PAGE>
 
          "Reference Banks" means CD Reference Banks or Euro-Dollar Reference
     Banks, as relevant.

          "Reinvestment" has the meaning given to such term in Section 2.05.

          "Related Security" means with respect to any Receivable:  (a) all of
     the interest, if any, of NSC in the goods, merchandise (including returned
     merchandise) or equipment the sale of which by NSC gave rise to such
     Receivable; (b) all other security interests or liens and property subject
     thereto from time to time, if any, securing payment of such Receivable; and
     (c) all guarantees, letters of credit, insurance or other agreements or
     arrangements of any kind from time to time supporting or securing payment
     of such Receivable.

          "Remainder" has the meaning given to such term in Section 2.05.

          "Report Month" means each period beginning on the day after a Month-
     end Date and ending on the next succeeding Month-end Date.

          "Required Buyers" means, at any time prior to the Termination Date,
     Buyers having at least 66 2/3% of the total Commitments, or, on or after
     the Termination Date, Buyers and the Reserve L/C Bank having at least 66
     2/3% of the Adjusted Aggregate Net Investment (including as Aggregate Net
     Investment for this purpose the amount of any unreimbursed drawing under
     the Reserve Letter of Credit in respect of Aggregate Net Investment);
     provided that for purposes of Section 6.03 only, "Required Buyers" means,
     at any time when no Termination Event exists, Buyers having at least 66
     2/3% of the total Commitments or, on or after the Termination Date if no
     Termination Event exists, Buyers having at least 66 2/3% of the Adjusted
     Aggregate Net Investment (including as Aggregate Net Investment for this
     purpose the amount of any unreimbursed drawing under the Reserve Letter of
     Credit in respect of Aggregate Net Investment) plus, in each case covered
     by this proviso, the Collateral Agent.

          "Reserve L/C Bank" means the issuer of the Reserve Letter of Credit.

          "Reserve L/C Fee" means a fee payable to the Reserve L/C Bank of
            per annum (calculated on the basis of a year of 360 days and actual
     days elapsed) on the amount available for drawing under the Reserve Letter
     of Credit.
 
                                       21
<PAGE>
 
          "Reserve Letter of Credit" means a letter of credit issued by J.P. 
     Morgan Delaware to the Collateral Agent substantially in the form of
     Exhibit O; provided that such letter of credit may be replaced or the
     amount thereof reduced if at such time S&P confirms that such replacement
     or reduction will not result in a reduction of the rating assigned to the
     Buyer's Certificates.

          "S&P" means Standard & Poor's Ratings Group, together with its
     successors.

          "Seller" means NSC in its capacity as Seller under the Purchase and
     Sale Agreement.

          "Servicer" means NSC, or, after a Servicing Transfer, such other
     Person which is the successor Servicer of the Receivables pursuant to a
     Servicing Agreement.

          "Servicer Termination Event" means any of the following:

          (i)  failure on the part of the Servicer to transfer or deposit funds
     (A) in respect of reductions in the Aggregate Net Investment on the date
     the Servicer is required to do so hereunder or (B) in respect of any other
     amount which the Servicer is required under the Program Documents to
     transfer or deposit and the continuation of such failure for a period of
     three Business Days; or failure on the part of the Servicer to remit any
     Monthly Report or Daily Report when due and the continuation of such
     failure for a period of three Business Days; or

         (ii)  failure on the part of the Servicer duly to observe or to perform
     in any material respect any other covenants or agreements of the Servicer
     set forth herein or in the Servicing Agreement, which failure shall
     continue unremedied for a period of 10 days; or

        (iii)  any representation, warranty or certification made by the
     Servicer herein or in the Servicing Agreement proves to have been incorrect
     in any material respect when made or deemed made; or

         (iv)  an Event of Bankruptcy with respect to the Servicer; or

          (v)  a change in circumstances relating to, or actions of, the
     Servicer that may materially and adversely affect the performance of the
     Purchased Receivables, the ability of the Servicer to adequately
 
                                       22
<PAGE>
 
     service the Purchased Receivables, or the ability of the Buyers to realize
     their interest in Collections or the Purchased Receivables, as determined
     by the Required Buyers, in their sole and absolute discretion.

          "Servicer's Compensation" means the compensation payable to the
     Servicer pursuant hereto or pursuant to the Servicing Agreement.

          "Servicing Agreement" means any agreement between the Collateral Agent
     and any Person acting as Servicer, other than NSC, which agreement shall
     contain provisions concerning the servicing of Purchased Receivables
     substantially similar to the provisions contained herein concerning the
     servicing of Purchased Receivables.

          "Servicing Transfer" has the meaning given to such term in Section
     6.03.

          "Settlement Date" means, with respect to each Month-end Date, the 10th
     calendar day after such Month-end Date or if such day is not a Business
     Day, the next succeeding Business Day.

          "Special Obligor" means each Obligor listed on Schedule 1.

          "Subsidiary" of any Person means any corporation or other entity of
     which securities or other ownership interests having ordinary voting power
     to elect a majority of the board of directors or other persons performing
     similar functions are at the time directly or indirectly owned by such
     Person.

          "Temporary Cash Investments" means book-entry securities, negotiable
     instruments or securities represented by instruments in bearer or
     registered form which evidence (a) direct obligations of the United States
     or obligations guaranteed by the United States; (b) time deposits with,
     including certificates of deposit issued by, a Qualified Bank; (c)
     commercial paper rated at least A-1 by S&P and P-1 by Moody's; and (d)
     repurchase agreements with a Qualified Bank collateralized by obligations
     described in clause (a) above; in the case of each of (a) through (d)
     maturing within 30 days from the date of acquisition thereof.

          "Termination Date" means the earliest of (i) the Business Day which
     NSFC designates as such by written notice to the Agents at least 30 days
     prior to such Business Day, (ii) the "Final Purchase Date" as defined in
     the Purchase and Sale Agreement, (iii) the Expiry
 
                                       23
<PAGE>
 
     Date and (iv) the day on which the Commitments terminate pursuant to
     Section 6.02.

          "Termination Event" has the meaning given to such term in Section 6.01
     hereof.

          "Total Reserve Percentage" means the sum of the Loss Reserve
     Percentage and the Dilution Reserve Percentage.

          "Tranche" has the meaning given to such term in Section 2.03.

          "Transfer Letter" means a letter substantially in the form of Appendix
     A to Exhibit F.

          "Transferor's Interest" means, at any time, the amount expressed as a
     percentage equal to 100% minus the Buyers' Interest at such time.

          "UCC" means the Uniform Commercial Code as in effect on the date
     hereof in the State of New York; provided that if by reason of mandatory
     provisions of law, the perfection or the effect of perfection or non-
     perfection as to any interest in Purchased Receivables, any Related
     Security, any Collections thereon or proceeds of the foregoing is governed
     by the Uniform Commercial Code as in effect in a jurisdiction other than
     New York, "UCC" means the Uniform Commercial Code as in effect in such
     other jurisdiction for purposes of the provisions hereof relating to such
     perfection or effect of perfection or non-perfection.

          "Undrawn L/C Amount" shall mean, with respect to each Letter of Credit
     at any date of determination thereof, the undrawn amount of such Letter of
     Credit on such date.

          "Unfunded Liabilities" means, with respect to any Plan at any time,
     the amount (if any) by which (i) the present value of all benefits under
     such Plan exceeds (ii) the fair market value of all Plan assets allocable
     to such benefits (excluding any accrued but unpaid contributions), all
     determined as of the then most recent valuation date for such Plan, but
     only to the extent that such excess represents a potential liability of a
     member of the ERISA Group to the PBGC or any other Person under Title IV of
     ERISA.

          "Yield" means, with respect to any Yield Accrual Period for any
     Tranche on any date of determination thereof, an amount equal to the
     following:

                                       24
<PAGE>
 
                          AD
              YR x T x --------   
                         Basis
 
     where:
 
     YR   =   the Yield Rate applicable to such Yield Accrual Period for such 
              Tranche,
 
     T    =   the amount of the Tranche to which such Yield Accrual Period 
              applies,
 
     AD   =   the actual number of days (including the first but excluding the 
              last day) in such Yield Accrual Period, and

     Basis=   365 for any Yield Rate based on the Prime Rate and 360 for all
              other Yield Rates.

     provided, however, that no provision of this Agreement shall require the
     payment or permit the collection of Yield in excess of the maximum
     permitted by applicable law.

          "Yield Accrual Period" means:

               (a) with respect to any Tranche the Yield Rate of which is the
          Euro-Dollar Rate, each period commencing on the date a portion of the
          Aggregate Net Investment is allocated to such Tranche pursuant to
          Section 2.03 and ending on the numerically corresponding day in the
          first or second (as selected by NSFC) calendar month thereafter,
          except that (i) if such day is not a Euro-Dollar Business Day, such
          Yield Accrual Period shall end on the next succeeding Euro-Dollar
          Business Day (provided that if such Euro-Dollar Business Day is in a
          subsequent calendar month, such Yield Accrual Period shall end on the
          next preceding Euro-Dollar Business Day) and (ii) each Yield Accrual
          Period that commences on the last Euro-Dollar Business Day of a
          calendar month (or on any day for which there is no numerically
          corresponding day in the appropriate subsequent calendar month) shall
          end on the last Euro-Dollar Business Day of the appropriate subsequent
          calendar month;

               (b) with respect to any Tranche the Yield Rate of which is the
          Fixed CD Rate, each period commencing on the date a portion of the
          Aggregate Net Investment is allocated to such Tranche pursuant to
          Section 2.03, and ending on the day which falls 30 or 60 (as selected
          by NSFC) days

                                       25
<PAGE>
 
          thereafter (or, if such day is not a Euro-Dollar Business Day, the
          next succeeding Euro-Dollar Business Day); and

               (c) with respect to any Tranche the Yield Rate of which is the
          Base Rate, each period commencing on the date a portion of the
          Aggregate Net Investment is allocated to such Tranche pursuant to
          Section 2.03, and ending on the earlier of (i) with respect to any
          amount of prepayment of any portion of the Aggregate Net Investment
          related to such Tranche, the date of such prepayment and (ii) the last
          Business Day of the calendar month;

     provided that (i) any Yield Accrual Period which commences prior to the
     Expiry Date and would otherwise end after the Expiry Date shall end on the
     Expiry Date, (ii) any Yield Accrual Period commencing on or after the
     Termination Date, or during a Ratings Suspension Period after the 10th day
     thereof, shall be a period of one day, and (iii) for purposes of Section
     2.06(a) only, any Yield Accrual Period which commences prior to the
     Termination Date and would otherwise end after the Termination Date shall,
     if such Termination Date occurred due to an Event of Bankruptcy with
     respect to NSFC or NSC, end on the Termination Date.

          "Yield Accrual Period Selection Notice" has the meaning given to such
     term in Section 2.03.

          "Yield Rate" means, (a) the Euro-Dollar Rate, (b) the Fixed CD Rate or
     (c) the Base Rate; provided that the Yield Rate shall not, commencing on
     the Termination Date (or, if a Termination Date has occurred due to the
     occurrence of a Termination Event described in Section 6.01(t), commencing
     on the day in respect of such Termination Event on which the Adjusted
     Buyers' Interest first exceeded 95%), exceed a per annum rate equal to the
     sum of the rate specified in clause (i) of the definition of "Base Rate",
     as in effect for the Business Day preceding the Termination Date (or such
     day on which the Adjusted Buyers' Interest first exceeded 95%),        ;
     provided further that the Yield Rate shall not, during any Ratings
     Suspension Period, exceed a per annum rate equal to the sum of the rate
     specified in clause (i) of the definition of Base Rate, as in effect on the
     Business Day preceding the first day of such Ratings Suspension Period,
            .

          "Yield Reserve" means, for any date of determination, the sum of (i)
     the accrued and unpaid Yield on such date, (ii) the Liquidation Yield on
     such

                                       26
<PAGE>
 
     date, (iii) the accrued and unpaid Fees on such date plus the aggregate
     amount of L/C Fees that would accrue on all outstanding Letters of Credit
     and the Reserve Letter of Credit until their respective expiry dates or, in
     respect of Letters of Credit having automatic renewal provisions, until
     seven Business Days prior to the Expiry Date, (iv) the accrued and unpaid
     Servicer's Compensation on such date and (v) an amount equal to (x) the
     aggregate Outstanding Balance of Purchased Receivables times (y) 2.0% times
     (z) 2 times Days Sales Outstanding divided by 360; provided that if the
     Aggregate Net Investment is zero, the "Yield Reserve" shall be zero.

          "Yield Reserve Requirement" means an amount equal at any time to the
     product of (x) Aggregate Net Investment at such time times (y) the rate
     determined under clause (i) of the definition of "Base Rate" at such time,
     plus 2% times (z) 5 divided by 360.

          1.02.  UCC Terms.  Terms not otherwise defined herein which are
defined in the UCC shall, unless the context otherwise requires, have the
meanings set forth therein.


                                   ARTICLE II

                      PURCHASES, COLLECTIONS AND PAYMENTS
                      -----------------------------------

          2.01.  Sale and Assignment.  (a)  At the time of each Purchase, NSFC
hereby sells, assigns and grants to the Buyers (and to the Agents, the Issuing
Banks and the Reserve L/C Bank), and the Buyers hereby purchase from NSFC, the
Purchased Interest.  Each such sale, subject only to the provisions of Section
2.09 hereof, shall be without recourse.  Notwithstanding such sale, no
obligation or liability of NSFC, the Seller or the Servicer to any Obligor or
any third party under any Purchased Receivables or any related Contracts shall
be assumed by the Agents, the Buyers, the Issuing Banks or the Reserve L/C Bank,
and any such assumption is hereby expressly disclaimed.

          (b)  In order to secure its obligations under this Agreement and to
further assure the transfer of the Purchased Interest, NSFC hereby assigns to
the Collateral Agent for the benefit of the Buyers, the Issuing Banks, the
Reserve L/C Bank and the Agents (i) the Cash Collateral Account and all funds
and Cash Collateral Account Investments therein and (ii) to the extent of their
interests therein, the Lockbox Accounts and the Collection Account and all funds
and investments therein.

                                       27
<PAGE>
 
          (c) (i) In order to secure its obligations under this Agreement, NSFC
hereby grants, pledges and assigns to the Collateral Agent for the benefit of
the Buyers, the Issuing Banks, the Reserve L/C Bank and the Agents all rights
and remedies of NSFC under the Purchase and Sale Agreement and, to the extent of
their interest therein, all of the Purchased Receivables, and the Related
Security and Collections related thereto and proceeds of all of the foregoing.
Notwithstanding such assignment, no obligation or liability of NSFC under the
Purchase and Sale Agreement shall be assumed by the Agents, the Issuing Banks,
the Reserve L/C Bank or the Buyers, and any such assumption is hereby expressly
disclaimed.

          (ii)  NSFC shall monitor and require compliance by the Seller with its
obligations under the Purchase and Sale Agreement, shall exercise its rights and
remedies thereunder so as to be afforded the benefits intended to accrue to it
thereunder and shall, in the event of any default by the Seller in performance
of its obligations thereunder, exercise any and all of its rights and remedies
under the Purchase and Sale Agreement to the extent and in the manner directed
by the Collateral Agent.  NSFC shall not agree to any amendment of, or waive any
of its rights under, the Purchase and Sale Agreement without the prior written
consent of the Required Buyers and the Reserve L/C Bank.

          2.02.  Incremental Purchases.  (a)  Subject to the terms and
conditions hereof, NSFC may from time to time on and after the Closing Date to
but excluding the Termination Date at its option sell to the Buyers, and the
Buyers agree to purchase (an "Incremental Purchase") from NSFC for the purchase
price (the "Purchase Price") set forth in the Purchase Notice for such
Incremental Purchase, undivided percentage ownership interests in each and every
Receivable (including any additional Receivables thereafter purchased by NSFC
through the close of business on the Final Purchase Date under the Purchase and
Sale Agreement), together with the Related Security, Collections and other
proceeds with respect thereto; provided that the Buyers shall have no obligation
to make an Incremental Purchase for a Purchase Price in excess of the Available
Commitment; provided further that no Incremental Purchases may be made during a
Ratings Suspension Period.  The Purchase Price for an Incremental Purchase shall
be paid in the form of Dollars or through the issuance of new Letters of Credit
(but not including the renewal or extension of outstanding Letters of Credit) by
the Issuing Bank and participation therein by the Buyers or, on the Closing
Date, through the deemed issuance of Letters of Credit outstanding under the
Existing Credit Facilities contemplated by Section 2.02A.  Each Incremental
Purchase (i) in which the related Purchase Price is payable

                                       28
<PAGE>
 
in Dollars shall be in an amount of $5,000,000 or any integral multiple of
$1,000,000 in excess thereof, (ii) in which the related Purchase Price is
payable through the issuance of Letters of Credit shall be in an amount of at
least $100,000 and (iii) in which the related Purchase Price is payable in a
combination of Dollars and through the issuance of Letters of Credit shall be
allocated to Dollars in an amount of $5,000,000 or any integral multiple of
$1,000,000 in excess thereof and shall be allocated to Letters of Credit in an
amount of at least $100,000; provided that if at the time of any Incremental
Purchase the then Available Commitment is less than the minimum amount required
pursuant to clause (i), (ii) or (iii), as applicable, NSFC may request an
Incremental Purchase for a Purchase Price equal to the Available Commitment.
Each Buyer's obligation to make purchases (including through its participation
in Letters of Credit) hereunder is ratable in the proportion its Commitment
bears to the total Commitments and is several and not joint, and the failure of
any Buyer to perform any of its obligations hereunder shall not require the
performance of such obligations by either Agent or any other Buyer.

          (b)  NSFC shall provide the Administrative Agent with a notice
substantially in the form of Exhibit B hereto (a "Purchase Notice") prior to
each Incremental Purchase at the time specified in Section 2.03 for delivery of
the appropriate Yield Accrual Period Selection Notice in the case of an
Incremental Purchase for which the Purchase Price is to be in Dollars and at
least three Business Days prior to an Incremental Purchase for which the
Purchase Price is to be through the issuance of Letters of Credit.  Each
Purchase Notice shall specify whether the Purchase Price for such Incremental
Purchase to be in Dollars or through the issuance of Letters of Credit or a
combination thereof.  Upon receipt of such Purchase Notice, the Administrative
Agent shall promptly provide each Buyer with a copy of such Purchase Notice, and
advise it of its ratable share of the Purchase Price for such Incremental
Purchase.  Not later than 12:00 Noon (New York City time) on the day of any
Incremental Purchase for which NSFC has requested all or part of the Purchase
Price to be paid in Dollars, each Buyer shall make available its pro rata share
of the Dollar portion of the Purchase Price for such Incremental Purchase to the
Administrative Agent.  The amount so received by the Administrative Agent shall
be deposited to NSFC's account as notified by NSFC in immediately available
funds.  If NSFC has requested all or part of the Purchase Price for an
Incremental Purchase to be paid through the issuance of Letters of Credit, such
consideration shall be delivered pursuant to Section 2.02A hereof.  Each
Purchase Notice shall be irrevocable and binding on NSFC when delivered to the
Buyers.

                                       29
<PAGE>
 
          2.02A.  Letters of Credit.

          (a)  NSFC may, in accordance with Section 2.02, specify, as
consideration for the Purchase Price of any Incremental Purchase, that an
Issuing Bank, upon the terms and subject to the conditions set forth in this
Agreement, shall issue one or more Letters of Credit on behalf of the Buyers;
provided that, on the Closing Date the letters of credit outstanding under the
Existing Credit Facility and listed on Schedule 3 shall be deemed issued
hereunder as part or all of the Purchase Price to be paid for the Incremental
Purchase to occur on such date and shall thereupon be Letters of Credit
hereunder.  NSFC shall in each case select the Issuing Bank; provided that it
will use its reasonable best efforts to allocate the outstanding Letters of
Credit among the Issuing Banks as equitably as possible; and provided further
that the face amount of all outstanding Letters of Credit issued by any Issuing
Bank shall not at any time exceed $45,000,000.  An Issuing Bank shall issue (or
extend or renew) a Letter of Credit (in reliance on the agreements of the other
Buyers in Section 2.02A(c)) upon receipt by it of (i) a properly completed and
duly executed letter of credit application and (ii) such other documents and
materials as may be required thereunder, at least five Business Days prior to
the requested date of issuance (or extension or renewal) thereof, in the amount
requested by NSFC in such letter of credit application; provided that no Letter
of Credit shall be issued, extended or renewed during a Ratings Suspension
Period after the first 10 days thereof, except (subject to the next sentence)
pursuant to automatic extension provisions contained therein.  With respect to
any Letter of Credit containing automatic extension provisions, if the
requirements in the preceding sentence are not met before, or a Ratings
Suspension Period is in effect at the time (and such time does not fall within
the first 10 days of such Ratings Suspension Period) when, notice must be given
to the beneficiary that the Letter of Credit will not be extended in order for
such Letter of Credit not to be extended, the Issuing Bank shall give such
notice.  The Issuing Bank shall provide to the Administrative Agent, and the
Administrative Agent shall provide to the Buyers, no later than the time of
issuance, a copy of each Letter of Credit issued, together with a statement as
to the amount of each Buyer's ratable participation therein, and notice of each
amendment, extension or renewal, or early cancellation of any Letter of Credit.
NSFC shall pay the Issuing Bank's customary issuance, drawing and amendment,
extension or renewal fees with respect to each Letter of Credit, such fees to be
payable in accordance with Sections 2.05, 2.06 and 2.10.

          (b)  Each Letter of Credit (i) may have automatic renewal provisions,
but shall have an ultimate expiry date

                                       30
<PAGE>
 
not later than the day seven Business Days prior to the Expiry Date (and not
more than $25,000,000 in aggregate outstanding face amount of Letters of Credit
shall have initial expiry dates (subject to automatic renewal provisions) later
than 18 months from their respective dates of issuance), (ii) shall be
denominated in Dollars and be in a face amount of at least $100,000, and (iii)
shall have such terms and provisions as the Issuing Bank shall deem reasonably
appropriate in connection with the particular circumstance under which such
Letter of Credit is being issued and shall otherwise be in form and substance
acceptable to the Issuing Bank.  The Issuing Bank shall have no obligation to
issue (or extend or renew) any Letter of Credit if the aggregate Undrawn L/C
Amount for all Letters of Credit, after giving effect to such Letter of Credit,
would exceed the Maximum Letter of Credit Commitment.

          Simultaneously with the issuance (or extension or renewal) by the
Issuing Bank of any Letter of Credit, each Buyer shall be deemed to have
irrevocably and unconditionally purchased and received from the Issuing Bank,
without recourse or warranty, an undivided interest and participation in such
Letter of Credit and an undivided interest in the Purchased Interest in the
Receivables for which the Letter of Credit is consideration (including, without
limitation, all obligations of NSFC with respect thereto other than amounts
owing to the Issuing Bank representing the Issuing Bank Letter of Credit Fee and
any issuance, drawing or amendment, extension or renewal fees with respect to
such Letter of Credit) and any security therefor, in each case in the proportion
that such Buyer's Commitment bears to the aggregate of the Commitments.

          Any increase in the Undrawn L/C Amount with respect to any outstanding
Letter of Credit may be by amendment or replacement of such Letter of Credit,
but in either event such increase shall be deemed to constitute the issuance of
a new Letter of Credit and, therefore, an Incremental Purchase subject to the
satisfaction of the conditions set forth in Section 3.02.  Reductions in the
Undrawn L/C Amounts of outstanding Letters of Credit (other than by drawings
thereunder) may occur by the terms thereof or by amendment or replacement of
such Letters of Credit, in which event such reduction shall be effective at the
time of such amendment or exchange.

          (c)  (i)  Upon receipt of notice of a proposed drawing under any
Letter of Credit, the Issuing Bank shall promptly notify each Buyer of the date
of such proposed drawing, the amount of such drawing and such Buyer's
proportionate share thereof.  The Issuing Bank will make the amount of such
drawing available to the beneficiary of such Letter of Credit in accordance with
the terms of such Letter

                                       31
<PAGE>
 
of Credit.  If a Buyer receives notice of a drawing under a Letter of Credit, it
shall, not later than 2:00 p.m. (New York City time) on the date of such notice
(or on the next Business Day, if such notice is received after 12:00 Noon (New
York City time)) pay its proportionate share of such drawing in Federal funds or
other funds immediately available in New York City, to the Issuing Bank.  Upon
any drawing under a Letter of Credit, the amount of the drawing shall
immediately and automatically be a Letter of Credit Tranche.

          (ii)  The obligation of each Buyer to pay to the Issuing Bank its
proportionate share of each drawing under a Letter of Credit, and the right of
each Buyer to receive amounts in respect of Letter of Credit Tranches pursuant
to Sections 2.05 and 2.06, shall be irrevocable, shall not be subject to any
qualification or exception whatsoever and shall be binding in accordance with
the terms and conditions of this Agreement under all circumstances, including,
without limitation, the following circumstances:

          (A)  any lack of validity or enforceability of this Agreement;

          (B)  the existence of any claim, set-off, defense or other right which
     NSFC or any Buyer may have at any time against a beneficiary of any Letter
     of Credit or any transferee of any Letter of Credit (or any Person for whom
     any such transferee may be acting), the Servicer, NSC, any Issuing Bank,
     any Buyer or any other Person, whether in connection with this Agreement,
     any Letter of Credit, the transactions contemplated herein or any unrelated
     transactions;

          (C)  any draft, certificate or any other document presented under any
     Letter of Credit proving to be forged, fraudulent, invalid or insufficient
     in any respect or any statement therein being untrue or inaccurate in any
     respect;

          (D)  the surrender or impairment of any security for the performance
     or observance of any of the terms of this Agreement;

          (E)  any failure of the Issuing Bank to provide notice to such Buyer
     of any drawing under any Letter of Credit; or

          (F)  the occurrence or continuance of any Termination Event or
     Potential Termination Event.

          (iii)  If any Buyer shall fail to pay its pro rata share of any
drawing under a Letter of Credit on the date of

                                       32
<PAGE>
 
such drawing, the Issuing Bank shall retain its rights with respect thereto and
shall be repaid by distribution by the Collateral Agent to the Issuing Bank of
any payment which such Buyer is otherwise entitled to receive under this
Agreement.  Any funds not paid by such Buyer to the Issuing Bank hereunder shall
bear interest for each day from the day until such amount shall be paid in full
(i) for the period from the day of the drawing to and including the first day
after the Buyer receives notice of such drawing at a rate per annum equal to the
rate described in clause (y) of the definition of "Base Rate" and (ii) on any
day or days thereafter the rate described in clause (i) of the definition of
"Base Rate"           per annum.

          (d)  Limitation of Liability with respect to Letters of Credit;
Indemnification.  (i)  As among NSFC, on the one hand, and the Buyers and Agents
and the Issuing Banks, on the other, NSFC assumes all risk of the acts and
omissions of, or misuse of the Letters of Credit by, the beneficiaries of such
Letters of Credit.  Without limiting the foregoing, the Buyers and Agents and
the Issuing Banks shall not be responsible: (A) for the form, validity,
sufficiency, accuracy, genuineness or legal effect of any draft, demand,
application or other document submitted by any party in connection with any
Letter of Credit or the application for or issuance of any Letter of Credit,
even if such document should in fact prove to be in any or all respects invalid,
insufficient, inaccurate, fraudulent or forged; (B) for the validity,
genuineness or sufficiency 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, which may prove to be
invalid or ineffective for any reason; (C) for failure of the beneficiary of a
Letter of Credit to comply fully with conditions required in order to draw upon
such Letter of Credit; (D) for errors, omissions, interruptions or delays in
transmission or delivery of any messages by mail, cable, telegraph, telex,
telecopy or otherwise, whether or not they be in cipher; (E) for any loss or
delay in the transmission or otherwise of any document required in order to make
a drawing under any Letter of Credit or with respect to the proceeds thereof;
(F) for the misapplication by the beneficiary of a Letter of Credit or of the
proceeds of any drawing under such Letter of Credit; or (G) for any consequences
arising from causes beyond the control of the Buyers, the Agents or the Issuing
Banks, including, without limitation, any act or omission, rightful or wrongful,
of any present or future de jure or de facto government or governmental
authority.  None of the above circumstances shall affect, impair or prevent the
vesting of any of the Issuing Bank's rights or powers under this Section or
Section 8.03 hereof.

                                       33
<PAGE>
 
          (ii)  In furtherance and extension, and not in limitation, of the
specific provisions set forth above, no action taken or omitted by the Issuing
Bank under or in connection with any Letter of Credit or any related documents,
if taken or omitted in good faith and in the absence of gross negligence or
willful misconduct, shall expose any Buyer, either Agent or any Issuing Bank to
any liability to the NSFC or relieve NSFC of any of its obligations hereunder.

          (iii)  NSFC shall indemnify each Issuing Bank against any cost,
expense (including counsel fees and disbursements), claim, demand, action, loss
or liability that such Issuing Bank may suffer or incur (except as a result of
such Issuing Bank's gross negligence or willful misconduct) in connection with
the Letters of Credit and the transactions contemplated thereby.

          (iv)  Each Buyer shall, ratably in accordance with its Commitment,
indemnify each Issuing Bank (to the extent not reimbursed by NSFC) against any
cost, expense (including counsel fees and disbursements), claim, demand, action,
loss or liability that such Issuing Bank may suffer or incur (except as a result
of such Issuing Bank's gross negligence or willful misconduct) in connection
with the Letters of Credit and the transactions contemplated thereby.

          (e)  Limitation on Indemnification.  Notwithstanding anything to the
contrary contained in this Section, (i) NSFC shall have no obligation to
indemnify any Buyer, either Agent or any Issuing Bank in respect of any
liability incurred by such Person arising solely out of the gross negligence or
willful misconduct of such Person and (ii) NSFC shall have a claim against the
Issuing Bank and such Issuing Bank shall be liable to NSFC to the extent, but
only to the extent, of any direct, as opposed to consequential, damages suffered
by such NSFC or its Affiliates which were caused by (x) such Issuing Bank's
willful misconduct or gross negligence in determining whether the documents
presented under a Letter of Credit issued by it complied with the terms of such
Letter of Credit or (y) such Issuing Bank's willful or grossly negligent failure
to pay under a Letter of Credit issued by it after presentation to it of a
drawing certificate and any other documents strictly complying with the terms
and conditions of such Letter of Credit.

          2.02B.  Reserve Letter of Credit.  (a)  On the Closing Date, the
Reserve L/C Bank shall issue the Reserve Letter of Credit.  NSFC shall pay the
Reserve L/C Bank's customary issuance and drawing fees with respect to the
Reserve Letter of Credit, such fees to be payable in accordance with Sections
2.05, 2.06 and 2.10.
 
                                       34
<PAGE>
 
          (b)  The right of the Reserve L/C Bank to receive amounts under
Section 2.06 in respect of drawings under the Reserve Letter of Credit shall be
irrevocable, shall not be subject to any qualification or exception whatsoever
and shall be binding in accordance with the terms and conditions of this
Agreement under all circumstances, including, without limitation, the following
circumstances:

          (A)  any lack of validity or enforceability of this Agreement;

          (B)  the existence of any claim, set-off, defense or other right which
     NSFC may have at any time against a beneficiary of the Reserve Letter of
     Credit, the Reserve L/C Bank or any other Person, whether in connection
     with this Agreement, the Reserve Letter of Credit, the transactions
     contemplated herein or any unrelated transactions;

          (C)  any draft, certificate or any other document presented under the
     Reserve Letter of Credit proving to be forged, fraudulent, invalid or
     insufficient in any respect or any statement therein being untrue or
     inaccurate in any respect; or

          (D)  the surrender or impairment of any security for the performance
     or observance of any of the terms of this Agreement.

          (c)  (i)  As among NSFC, on the one hand, and the Reserve L/C Bank, on
the other, NSFC assumes all risk of the acts and omissions of, or misuse of the
Reserve Letter of Credit by, the beneficiary of the Reserve Letter of Credit.
Without limiting the foregoing, the Reserve L/C Bank shall not be responsible:
(A) for the form, validity, sufficiency, accuracy, genuineness or legal effect
of any draft, demand, application or other document submitted by any party in
connection with the Reserve Letter of Credit or the application for or issuance
of the Reserve Letter of Credit, even if such document should in fact prove to
be in any or all respects invalid, insufficient, inaccurate, fraudulent or
forged; (B) for the validity, genuineness or sufficiency of any instrument
transferring or assigning or purporting to transfer or assign the Reserve Letter
of Credit or the rights or benefits thereunder or proceeds thereof, in whole or
in part, which may prove to be invalid or ineffective for any reason; (C) for
failure of the beneficiary of the Reserve Letter of Credit to comply fully with
the conditions required in order to draw upon the Reserve Letter of Credit; (D)
for errors, omissions, interruptions or delays in transmission or delivery of
any messages by mail, cable, telegraph, telex, telecopy or otherwise, whether or
not they be in cipher; (E) for any
 
                                       35
<PAGE>
 
loss or delay in the transmission or otherwise of any document required in order
to make a drawing under the Reserve Letter of Credit or with respect to the
proceeds thereof; (F) for the misapplication by the beneficiary of the Reserve
Letter of Credit or of the proceeds of any drawing under the Reserve Letter of
Credit; or (G) for any consequences arising from causes beyond the control of
the Reserve L/C Bank, including, without limitation, any act or omission,
rightful or wrongful, of any present or future de jure or de facto government or
governmental authority.  None of the above circumstances shall affect, impair or
prevent the vesting of any of the Reserve L/C Bank's rights or powers under this
Section or Section 8.03 hereof.

          (ii)  In furtherance and extension, and not in limitation, of the
specific provisions set forth above, no action taken or omitted by the Reserve
L/C Bank under or in connection with any Letter of Credit or any related
documents, if taken or omitted in good faith and in the absence of gross
negligence or willful misconduct, shall expose the Reserve L/C Bank to any
liability to NSFC or relieve NSFC of its obligations hereunder.

          (iii)  NSFC shall indemnify the Reserve L/C Bank against any cost,
expense (including counsel fees and disbursements), claim, demand, action, loss
or liability that the Reserve L/C Bank may suffer or incur (except as a result
of the Reserve L/C Bank's gross negligence or willful misconduct) in connection
with the Reserve Letter of Credit and the transactions contemplated thereby.

          (d)  Notwithstanding anything to the contrary contained in this
Section, (i) NSFC shall have no obligation to indemnify the Reserve L/C Bank in
respect of any liability incurred by the Reserve L/C Bank arising solely out of
the gross negligence or willful misconduct of the Reserve L/C Bank and (ii) NSFC
shall have a claim against the Reserve L/C Bank and the Reserve L/C Bank shall
be liable to NSFC to the extent, but only to the extent, of any direct, as
opposed to consequential, damages suffered by such NSFC which were caused by (x)
the Reserve L/C Bank's willful misconduct or gross negligence in determining
whether the documents presented under the Reserve Letter of Credit issued by it
complied with the terms of the Reserve Letter of Credit or (y) the Reserve L/C
Bank's willful or grossly negligent failure to pay under the Reserve Letter of
Credit after presentation to it of a drawing certificate and any other documents
strictly complying with the terms and conditions of the Reserve Letter of
Credit.
 
                                       36
<PAGE>
 
          2.03.  Tranches; Yield Accrual Periods; Yield Rates.  (a)  NSFC shall
for each Incremental Purchase in respect of which the Purchase Price is paid in
Dollars and thereafter prior to the expiry of each Yield Accrual Period allocate
portions of the Aggregate Net Investment (any such portion so allocated, and any
Letter of Credit Tranche, being herein referred to as a "Tranche") to carry a
Yield at a Yield Rate to be selected by NSFC for a Yield Accrual Period to be
selected by NSFC, to commence on the date of such Incremental Purchase or on the
last day of the Yield Accrual Period then expiring; provided that (i) the
Aggregate Net Investment may be so allocated to no more than ten Tranches (not
including Letter of Credit Tranches) at any one time and (ii) the Base Rate
shall be the Yield Rate for all Letter of Credit Tranches.  The amount of each
Tranche selected by NSFC shall be in an amount of $5,000,000 or any integral
multiple of $1,000,000 in excess thereof; provided that each Letter of Credit
Tranche shall be in the amount of the related drawing under a Letter of Credit,
as reduced pursuant to Sections 2.05 and 2.06 hereof.  Notwithstanding the
foregoing, no minimums shall apply to Tranches with Yield Accrual Periods
commencing after the Termination Date or during a Ratings Suspension Period
after the 10th day thereof.

          (b)  NSFC shall give the Administrative Agent (who shall give such
notice to the Buyers) notice of the amount, Yield Rate and Yield Accrual Period
(a "Yield Accrual Period Selection Notice") for each Tranche (other than a
Letter of Credit Tranche), such notice to be substantially in the form of
Exhibit C hereto and to be received by the Agent not later than 10:00 A.M. (New
York City time) on the number of days prior to (or on) the first date of the
requested Yield Accrual Period set forth below:

     Notice                                     Number of Days Prior
     ------                                     --------------------
                                          
Yield Accrual Period with an                    3 Euro-Dollar
Euro-Dollar Rate Yield Rate                     Business Days
                                          
Yield Accrual Period with                 
a Fixed CD Rate Yield Rate                      2 Business Days
                                          
Yield Accrual Period with a                     First day of
Base Rate Yield Rate                            requested Yield
                                                Accrual Period

Each Yield Accrual Period Selection Notice shall be irrevocable once given to
the Buyers.  If (x) NSFC fails to provide a Yield Accrual Period Selection
Notice on a timely basis prior to the expiry of a Yield Accrual Period, or (y)
the Administrative Agent determines that the Yield Rate and Yield Accrual Period
requested by NSFC is unavailable

                                       37
<PAGE>
 
pursuant to Section 2.11 or 2.12 hereof, or (z) such Yield Accrual Period
commences after the Termination Date, the Yield Rate shall be the Base Rate and
the related Yield Accrual Period shall be as provided therefor in the definition
of "Yield Accrual Period".

          2.04.  Accounts and Collections.  (a)  All Obligors shall be
instructed to cause all Collections on account of Purchased Receivables to be
mailed directly to a Lockbox with a Qualified Bank which has entered into a
Lockbox Agreement governing such Lockbox and the related Lockbox Account (which
shall be a separate and segregated account).  If NSFC or the Servicer receives
any Collections on Purchased Receivables, it shall hold such Collections in
trust for the Buyers in respect of the Purchased Interest.  All Lockbox Accounts
shall be swept daily into (and as soon as possible, but in any event not later
than two Business Days after receipt of any Collections on Purchased Receivables
by NSFC or the Servicer other than through a Lockbox Account, such Collections
shall be deposited into) a single collection account (the "Collection Account")
to be at all times maintained with a Qualified Bank which has entered into a
Lockbox Agreement (appropriately modified for the Collection Account) which has
been executed and delivered to the Collateral Agent; provided that if such
Qualified Bank's certificates of deposit are not at the time rated A-1+ by S&P
the Collection Account shall be a corporate trust account at such Qualified
Bank.  Each Lockbox Account and the Collection Account shall be in the names of
NSFC and the Collateral Agent, and the funds deposited in such Account shall
consist solely of Collections on Purchased Receivables and shall not be
commingled with any other funds of NSFC or the Servicer or any other Person.
Any funds in a Lockbox Account or the Collection Account which are not held as a
deposit in such account but are invested shall be invested in Cash Collateral
Account Investments.  The location of each Lockbox and the number and location
of each Lockbox Account and the Collection Account on the Closing Date is set
forth on Schedule 2 hereto and such locations and account numbers shall not be
changed, and no new Lockbox or Lockbox Account shall be added, without 30 days'
prior written notice to the Collateral Agent.

          (b)  At all times during the term of this Agreement the Collateral
Agent shall maintain an account in its name, on behalf of the Buyers, and under
its control (the "Cash Collateral Account") for the deposit of all amounts to be
deposited in such account hereunder; provided that if the Collateral Agent's
certificates of deposit are not at the time rated A-1+ by S&P the Collection
Account shall be a corporate trust account at the Collateral Agent. The
Collateral Agent shall allocate amounts in the Cash
 
                                       38
<PAGE>
 
Collateral Account to the Yield Reserve Requirement, Yield, Fees and Aggregate
Net Investment for purposes of Sections 2.05 and 2.06.

          (c)  Amounts on deposit in the Cash Collateral Account shall be
invested from time to time in Cash Collateral Account Investments selected by
the Collateral Agent.  Interest or other earnings on Cash Collateral Account
Investments in the Cash Collateral Account shall be credited to such account
and, on each Settlement Date prior to the Termination Date shall (provided no
Termination Event and no Potential Termination Event has occurred and is then
continuing) be paid to NSFC and shall, commencing on the Termination Date, be
applied in accordance with Section 2.06.  The Collateral Agent shall have no
liability in respect of the Cash Collateral Account Investments or any returns
or losses thereon.

          2.05.  Pre-Termination Procedures; Reinvestment.  (a)  On each
Business Day after the Closing Date but prior to the Termination Date, the
Servicer shall allocate to the Buyers an amount equal to the product of (x) the
Buyers' Interest (as set forth on the Daily Report prepared on the Computation
Date for such Business Day) multiplied by (y) the sum of (i) Collections
theretofore received in Lockbox Accounts (or otherwise) and to be deposited to
the Collection Account on such Business Day and (ii) amounts already on deposit
in the Collection Account and not previously applied and accounted for pursuant
to Sections 2.05 and 2.06 (the amount described in this clause (y) referred to
as "New Collections").  Such Buyers' share of New Collections shall be held or
applied on such Business Day in the following order of priority:

          (i) if the amount on deposit in the Cash Collateral Account with
     respect to the Yield Reserve Requirement does not equal the then Yield
     Reserve Requirement, to be deposited in the Cash Collateral Account and
     held in respect thereof, an amount equal to the excess of (x) the then
     Yield Reserve Requirement over (y) the amount then on deposit with respect
     to the Yield Reserve Requirement;

          (ii) to be deposited to the Cash Collateral Account and there held
     until application pursuant to (1) below, with respect to each Tranche, an
     amount equal to the excess of (x) all Yield accrued and unpaid for such
     Tranche to such day over (y) the amount theretofore held, and then on
     deposit, with respect to Yield on such Tranche pursuant to this clause
     (ii);
 
                                       39
<PAGE>
 
          (iii) to be deposited to the Cash Collateral Account and there held
     until application pursuant to (2) below, an amount equal to the excess of
     (x) all accrued and unpaid Issuing Bank Letter of Credit Fees to such day
     over (y) the amount theretofore held, and then on deposit, with respect to
     such Fees pursuant to this clause (iii) or Clause (b) (ii) below;

          (iv) to be deposited to the Cash Collateral Account and there held
     until application pursuant to (2) below, an amount equal to the excess of
     (x) all accrued and unpaid Letter of Credit Participation Fees to such day
     over (y) the amount theretofore held, and then on deposit, with respect to
     such Fees pursuant to this clause (iv) or clause (b) (iii) below;

          (v) to be deposited to the Cash Collateral Account and there held
     until application pursuant to (2) below, an amount equal to the excess of
     (x) all accrued and unpaid Reserve L/C Fees to such day over (y) the amount
     theretofore held, and then on deposit, with respect to such Fees pursuant
     to this clause (v) or clause (b)(iv)  below;

         (vi)  to be deposited to the Cash Collateral Account and there held
     until application pursuant to (2) below,an amount equal to the excess of
     (x) all accrued and unpaid Commitment Fees to such day over (y) the amount
     theretofore held, and then on deposit, with respect to such Fees pursuant
     to this clause (vi) or clause (b)(v) below;

        (vii)  to be paid to the Administrative Agent for distribution to the
     Buyers, an amount equal to the outstanding Letter of Credit Tranches;

       (viii)  during a Ratings Suspension Period, commencing after the 10th day
     thereof, to be paid to the Administrative Agent for distribution to the
     Reducing Buyers, an amount equal to their share of all Tranches having a
     Yield Accrual Period ending on or before such day of payment but on or
     after the 10th day of such Ratings Suspension Period, such distribution to
     be made ratably to such Buyers in proportion to their respective Commitment
     Reductions;

         (ix)  to be paid to the Servicer on such day, an amount which will
     equal, for each day (to and including such Business Day) as to which there
     is accrued and unpaid Servicer's Compensation (an "accrual day") an amount
     equal to (x) the Buyers' Interest as of the close of business on the
     Computation Date for such
 
                                       40
<PAGE>
 
     accrual day times (y) the Servicer's Compensation accrued on such accrual
     day; and

          (x)  the remainder of such Buyers' share of New Collections (the
     "Remainder") shall be applied in accordance with Section 2.05(c) hereof.

          Payments of amounts so allocated and held in the Cash Collateral
Account shall be made as follows:

          (1)  On the last day of each Yield Accrual Period for a Tranche (or to
     the extent funds are insufficient therefor, as funds become available on
     each of the succeeding five Business Days), the Collateral Agent shall
     withdraw from the Cash Collateral Account and distribute to the Buyers the
     Yield accrued with respect to such Yield Accrual Period which was retained
     in the Cash Collateral Account with respect thereto pursuant to clause (ii)
     above and, if necessary to pay all Yield accrued, shall apply moneys to pay
     such Yield from amounts in the Cash Collateral Account in respect of the
     Yield Reserve Requirement.

          (2) On each Settlement Date, the Collateral Agent shall withdraw from
     the Cash Collateral Account and pay to the Administrative Agent for
     distribution to the Buyers the Commitment Fees and the Letter of Credit
     Participation Fees, to the Issuing Banks the Issuing Bank Letter of Credit
     Fees, and to the Reserve L/C Bank the Reserve L/C Fee accrued since the
     last Settlement Date and retained in the Collection Account with respect
     thereto pursuant to clauses (iii), (iv), (v) or (vi) above or clauses
     (b)(ii), (iii), (iv) or (v) below.

          (b)  On each Business Day after the Closing Date but prior to the
Termination Date, the Servicer shall allocate to NSFC, as its share of New
Collections, an amount equal to the product of (x) the Transferor's Interest (as
set forth on the Daily Report prepared on the Computation Date for such Business
Day) multiplied by (y) New Collections.  NSFC's share of New Collections shall
be held or applied on such Business Day in the following order of priority:

          (i) to be paid to the Agents, the Issuing Banks, the Reserve L/C Bank
     and the Buyers on such day, an amount equal to all Other Expenses due to
     the Agents, the Issuing Banks, the Reserve L/C Bank and the Buyers under
     the Program Documents;

          (ii)  to be deposited to the Cash Collateral Account and there held
     until application pursuant to
 
                                       41
<PAGE>
 
     (a)(2) above, an amount equal to the excess of (x) all accrued and unpaid
     Issuing Bank Letter of Credit Fees to such day over (y) the sum of (a) the
     amount theretofore held, and then on deposit, pursuant to this clause (ii)
     and (B) the amount theretofore held, and then on deposit, or allocated on
     such Business Day, pursuant to clause (a)(iii) above;

          (iii)  to be deposited to the Cash Collateral Account and there held
     until application pursuant to (a)(2) above, an amount equal to the excess
     of (x) all accrued and unpaid Letter of Credit Participation Fees to such
     day over (y) the sum of (A) the amount theretofore held, and then on
     deposit, pursuant to this clause (iii) and (B) the amount theretofore held,
     and then on deposit, or allocated on such Business Day, pursuant to clause
     (a)(iv) above;

          (iv) to be deposited to the Cash Collateral Account and there held
     until application pursuant to (a)(2) above, an amount equal to the excess
     of (x) all accrued and unpaid Reserve L/C Fees to such day over (y) the sum
     of (A) the amount theretofore held, and then on deposit, pursuant to this
     clause (iv) and (B) the amount theretofore held, and then on deposit, or
     allocated on such Business Day, pursuant to clause (a)(v) above;

           (v)  to be deposited to the Cash Collateral Account and there held
     until application pursuant to (a)(2) above, an amount equal to the excess
     of (x) all accrued and unpaid Commitment Fees to such day over (y) the sum
     of (A) the amount theretofore held, and then on deposit, pursuant to this
     clause (iv) and (B) the amount theretofore held, and then on deposit, or
     allocated on such Business Day, pursuant to clause (a)(vi) above;

          (vi)  to be paid to the Servicer on such day, an amount which will
     equal, for each accrual day, an amount equal to (x) the Transferor's
     Interest as of the close of business on the Computation Date for such
     accrual day times (y) the Servicer's Compensation accrued on such accrual
     day; and

         (vii)  any remaining amount of NSFC's share of New Collections shall be
     paid to NSFC.

          (c) On each Business Day after the Closing Date but prior to the
Termination Date, (A) Available Collections, up to the amount of the Aggregate
Net Investment, shall be allocated to one or more of the
 
                                       42
<PAGE>
 
following applications, as NSFC shall specify in a notice to the Servicer and
the Collateral Agent:

          (i) all or any portion of the Remainder may be deposited into the Cash
     Collateral Account to be held in respect of Aggregate Net Investment, to
     reduce Adjusted Aggregate Net Investment; or

         (ii)  all or any portion of the Available Collections may be paid to
     the Administrative Agent for distribution to the Buyers to reduce Aggregate
     Net Investment (and, in such event, NSFC shall give notice to the
     Administrative Agent as to which Tranches shall be reduced); or

        (iii)  all or any portion of the Available Collections may be
     automatically reinvested (each such reinvestment, a "Reinvestment") by the
     Collateral Agent on behalf of the Buyers, and thus paid to NSFC, subject to
     the provisions of Section 3.03;

provided, that a Tranche bearing interest at the Euro-Dollar Rate or the Fixed
CD Rate may only be reduced at the end of the Yield Accrual Period for such
Tranche and no partial reduction of a Tranche shall be in an amount less than
$5,000,000 or leave less than $1,000,000 of such Tranche outstanding; and (B)
Available Collections in excess of the Aggregate Net Investment shall be paid to
NSFC.

          2.06.  Post-Termination Procedures.  (a)  On each Business Day on or
after the Termination Date to and including the Final Payment Date, the Servicer
shall allocate to the Buyers an amount equal to the product of (x) the Buyers'
Interest (as set forth on the Daily Report prepared on the Computation Date for
such Business Day) multiplied by (y) New Collections.  Such Buyers' share of New
Collections shall be immediately paid over to the Cash Collateral Account and,
together with all other monies then on deposit in the Cash Collateral Account,
held or distributed on such Business Day in the following order of priority:

           (i)  to pay to the Administrative Agent for distribution to the
     Buyers an amount equal to accrued and unpaid Yield with respect to each
     Tranche having a Yield Accrual Period ending on or before such Business Day
     (or to the extent monies are insufficient therefor, the Collateral Agent
     shall draw on the Reserve Letter of Credit for such amount);

          (ii)  if there is any Yield Accrual Period for a Tranche which is not
     ending on such Business
 
                                       43
<PAGE>
 
     Day, then, to be held in the Cash Collateral Account until application
     pursuant to clause (i), with respect to each such Tranche, an amount equal
     to the Yield accrued and unpaid for such Tranche to such day;

         (iii)  to reimburse the Reserve L/C Bank in respect of any prior
     drawings pursuant to clause (i) above which have not theretofore been
     reimbursed, together with interest accrued thereon (on the basis of a 360-
     day year) from the date of drawing to the date of payment at the rate
     specified in clause (i) of the definition of "Base Rate" plus 2% per annum;

          (iv)  to pay to the Administrative Agent for distribution to the
     Buyers and the Issuing Banks, as relevant, (w) first, accrued and unpaid
     Issuing Bank Letter of Credit Fees, (x) second, accrued and unpaid Letter
     of Credit Participation Fees, (y) third, accrued and unpaid Reserve L/C
     Fees and (z) fourth, accrued and unpaid Commitment Fees;

           (v)  to pay to the Servicer, for each accrual day for which the
     Servicer is not an Affiliate of NSFC, an amount equal to (x) the Buyers'
     Interest as of the close of business on the Computation Date for such
     accrual day times (y) the Servicer's Compensation accrued on such accrual
     day;

          (vi)  to be held in the Cash Collateral Account until the Final
     Payment Date, an amount equal to 1% of Aggregate Net Investment;

         (vii)  to pay to the Administrative Agent for distribution to the
     Buyers an amount equal to the outstanding Letter of Credit Tranches;

        (viii)  to pay to the Administrative Agent for distribution to the
     Buyers an amount in reduction of the Aggregate Net Investment, applying
     such amount only to Tranches (other than Letter of Credit Tranches) whose
     Yield Accrual Period ends on such Business Day and Tranches whose Yield
     Rate is the Base Rate;

          (ix)  to be held in the Cash Collateral Account until applied pursuant
     to clause (viii), an amount equal to the sum of the Tranches whose Yield
     Accrual Periods do not end on such Business Day and whose Yield Rate is not
     the Base Rate;

           (x)  to be held in the Cash Collateral Account until applied pursuant
     to clause (vii), the aggregate
 
                                       44
<PAGE>
 
     Undrawn L/C Amount in respect of all outstanding Letters of Credit;

          (xi)  to be held in the Cash Collateral Account until applied pursuant
     to clause (iv), the aggregate amount of L/C Fees that would accrue on all
     outstanding Letters of Credit until their respective expiry dates;

         (xii)  to reimburse the Reserve L/C Bank in respect of any prior
     drawing in respect of Aggregate Net Investment which has not theretofore
     been reimbursed, together with interest accrued thereon (on the basis of a
     360-day year) from the date of drawing to the date of payment at the rate
     specified in clause (i) of the definition of "Base Rate" plus 2% per annum;

        (xiii)  to pay to the Agents, the Issuing Banks, the Reserve L/C Bank
     and Buyers any Other Expenses (whether or not then due) owing to the
     Agents, the Issuing Banks, the Reserve L/C Bank and Buyers not paid
     pursuant to clause (b)(iv) below;

         (xiv)  to pay to the Servicer, for each accrual day for which the
     Servicer is an Affiliate of NSFC, an amount equal to (x) the Buyers'
     Interest as of the close of business on the Computation Date for such
     accrual day times (y) the Servicer's Compensation accrued on such accrual
     day; and

          (xv)  the balance shall be held in the Cash Collateral Account for
     future application as aforesaid.

If, 60 days after the Termination Date, there are any amounts not yet paid (or,
in the case of Undrawn L/C Amounts, then held in the Cash Collateral Account
pursuant to clause (x) above) in respect of Aggregate Net Investment, the
Collateral Agent shall draw on the Reserve Letter of Credit in an amount equal
to the lesser of such amounts and the amount then available for drawing under
the Reserve Letter of Credit and apply such amounts pursuant to clauses (vii),
(viii), (ix) and (x) above.

          (b) On the Termination Date and on each Business Day thereafter to and
including the Final Payment Date, the Servicer shall allocate to NSFC, as its
share of New Collections, an amount equal to the product of (x) the Transferor's
Interest (as set forth on the Daily Report prepared on the Computation Date for
such Business Day) multiplied by (y) New Collections.  NSFC's share of New
Collections shall be applied on such Business Day in the following order of
priority:
  
                                       45
<PAGE>
 
          (i)  to pay to the Servicer, for each accrual day for which the
     Servicer is not an Affiliate of NSFC, an amount equal to (x) the
     Transferor's Interest as at the close of business on the Computation Date
     for such accrual day times (y) the accrued Servicer's Compensation accrued
     on such accrual day;

          (ii)  for deposit into the Cash Collateral Account,

          (w)  first, accrued and unpaid Issuing Bank Letter of Credit Fees,
          (x)  second, accrued and unpaid Letter of Credit Participation Fees,
          (y)  third, accrued and unpaid Reserve L/C fees, and
          (z)  fourth, accrued and unpaid Commitment Fees,

     in each case owing to the Issuing Banks, the Reserve L/C Bank and the
     Buyers and not paid or provided for pursuant to subsection (a) above;

          (iii)  to be held in the Cash Collateral Account until applied
     pursuant to clause (a)(iv), the aggregate amount of L/C Fees that would
     accrue on all outstanding Letters of Credit and the Reserve Letter of
     Credit until their respective expiry dates, to the extent such amount is
     not already provided for pursuant to subsection (a) above;

          (iv)  to be paid to the Agent, the Issuing Banks, the Reserve L/C Bank
     and the Buyers on such day, all Other Expenses owing to the Agents, the
     Issuing Banks, the Reserve L/C Bank and the Buyers;

          (v)  to pay the Servicer, for each accrual day for which the Servicer
     is an Affiliate of NSFC, an amount equal to (x) the Transferor's Interest
     as at the close of business on the Computation Date for such accrual day
     times (y) the accrued Servicer's Compensation accrued on such accrual day;
     and

          (vi)  the balance shall be paid to NSFC.

          (c) On the Business Day after the Final Payment Date, (i) the Servicer
shall recompute the Buyers' Interest as 0%, (ii) the Buyers shall be deemed to
have reconveyed to NSFC, without representation or warranty, the Purchased
Interest, (iii) the Collateral Agent shall pay to NSFC any amounts held in the
Collection Account and the Cash Collateral Account and (iv) the Agents and the
Buyers shall execute and deliver to NSFC, at NSFC's expense, such documents or
instruments as are reasonably necessary to
  
                                       46
<PAGE>
 
terminate their interest in the Receivables, all Related Security, all
Collections with respect thereto and all proceeds of the foregoing.

          2.07.  Fees; Servicer's Compensation.  (a)  NSFC shall pay the
following fees:

          (i)  on the Closing Date to the Collateral Agent, for the account of
     the Agents, the fee to be paid to the Agents on the Closing Date as set
     forth in the fee letter dated March 15, 1994;

          (ii)  on the Closing Date to the Administrative Agent, for the account
     of each Buyer, an amount equal to .125% of such Buyer's Commitment;

        (iii)   to the Agents such other fees in such amounts and at such times
     as are set forth in the fee letter dated March 15, 1994; and

          (iv) as provided in Section 2.10, the Commitment Fees and L/C Fees.

          (b)  The Servicer's Compensation shall be paid to the Servicer in
accordance with Sections 2.05 and 2.06 hereof.  Servicer's Compensation payable
to NSC as Servicer shall accrue on each day until the earlier of the Final
Payment Date and the date of a Servicing Transfer, in an amount equal to the
product of (1) 2% per annum (calculated on a 360-day basis) and (2) the
aggregate Outstanding Balance of Purchased Receivables on such day.

          2.08.  Optional Reduction of Commitments.   NSFC may reduce in whole
or in part the total Commitments (but not below the Aggregate Net Investment) or
the Maximum Letter of Credit Commitment by giving the Agent written notice
thereof at least three Business Days before such reduction is to take place;
provided, however, that any partial reduction shall be in an amount of
$5,000,000 or any integral multiple of $1,000,000 in excess thereof.  Any
reduction in the total Commitments shall cause a pro rata reduction in the
Commitment of each Buyer.

          2.09.  Payments Under Certain Circumstances.  (a)  (i)  If, as to any
Receivable, a representation or warranty deemed made pursuant to Section 3.03 on
the date of any Purchase of a Purchased Interest therein was not true when
deemed made, NSFC shall, within two Business Days of discovery by or notice to
NSFC of such fact, deposit in the Collection Account, as a Collection with
respect thereto, the Outstanding Balance of such Receivable;
 
                                       47
<PAGE>
 
        (ii) if at any time the Buyers shall cease to have a perfected undivided
ownership interest, or a first priority perfected security interest, in a
Purchased Receivable, free and clear of any Adverse Interest, NSFC shall, within
two Business Days of discovery by or notice to NSFC of such fact, deposit in the
Collection Account, as a Collection with respect thereto, the Outstanding
Balance of such Receivable; or

         (iii)  if on any day the Outstanding Balance of a Purchased Receivable
(or the amount thereof treated as an Eligible Receivable) is reduced or canceled
as a result of any Dilution Adjustment or dispute, defense, counterclaim or
setoff with respect to such Receivable, NSFC shall deposit in the Collection
Account on such day (or, if such day is not a Business Day, the next succeeding
Business Day), as a Collection with respect thereto, the amount of such
reduction or cancellation in the Collection Account;

provided that, so long as no Termination Event or Potential Termination Event
shall have occurred and be continuing, no such deposit shall be required except
to the extent that if such deposit were not made, the Adjusted Buyers' Interest
would exceed 95% (calculated, prior to the Termination Date, after applying
Available Collections in accordance with Section 2.05 hereof); provided further
that if the circumstances described in clause (ii) applies to all Purchased
Receivables, NSFC shall instead repurchase the Purchased Interest at a price
equal to the Aggregate Unpaids by paying such amount to the Administrative Agent
for the account of the Buyers (with amounts in respect of outstanding Letters of
Credit to be held by the Collateral Agent in the Cash Collateral Account and
applied to reimburse the Issuing Banks for drawings made under Letters of Credit
and to pay the Buyers, the Issuing Banks and the Reserve L/C Bank accrued L/C
Fees on Settlement Dates).

          (b)  NSFC may at any time at its option reduce the Aggregate Net
Investment by directly paying monies from its funds to the Administrative Agent
for distribution to the Buyers for application to such Tranche or Tranches as
NSFC shall direct; provided that

          (i)  no such reduction may be made in respect of any Tranche accruing
     Yield at the Euro-Dollar Rate or the Fixed CD Rate except at the end of the
     Yield Accrual Period therefor; and

         (ii)  no such reduction may be made in respect of any Tranche accruing
     Yield at the Base Rate unless it is in an amount equal to the lesser of (x)
     $1,000,000 and (y) the amount of such Tranche and, if it is a partial
     reduction of a Tranche, the amount of the
 
                                       48
<PAGE>
 
     remaining portion of such Tranche shall not be less than $1,000,000.

          2.10.  Payments and Computations; Crossover Date.  (a)  All amounts to
be paid to the Agents, the Issuing Banks, the Reserve L/C Bank or the Buyers
hereunder shall be paid in accordance with the terms hereof no later than 12:00
Noon (New York City time) on the day when due in immediately available funds to
the account of the Administrative Agent indicated on the signature pages hereof
or otherwise notified by the Administrative Agent.  No such amount shall, except
as provided in the further proviso in Section 2.09(a), be deemed paid by virtue
of its deposit in the Collection Account or the Cash Collateral Account.  Except
as provided in the further proviso in Section 2.09(a) and in Section 2.09(b),
payment in respect of Aggregate Net Investment, Yield, Servicer's Compensation
and reimbursement of drawings under the Reserve Letter of Credit and interest
thereon shall be paid (and shall be due and payable) only out of Collections
pursuant to Section 2.05 and 2.06; Fees and Other Expenses shall be paid
pursuant to Section 2.05 and 2.06, or if not so paid, shall in any event be
payable by NSFC in arrears on each Settlement Date (in the case of Fees) or when
due (in the case of Other Expenses).  Amounts payable to the Agents, the Issuing
Banks, the Reserve L/C Bank or the Buyers under any provision of Section 2.05 or
2.06 should be paid ratably (subject to the provisions of Section 2.02A(c)) to
the extent of funds available.  NSFC shall, to the extent permitted by law, pay
to the Agents, the Issuing Banks, the Reserve L/C Bank or the Buyers upon
demand, interest on all amounts not paid when due and payable hereunder at a
rate equal       per annum plus the Base Rate (calculated on the basis of a year
of 365 days and actual days elapsed).  All computations by the Agents of amounts
payable hereunder shall be binding and conclusive absent manifest error.

          (b)  The Buyers' Interest shall be calculated by the Servicer for
purposes of each Purchase Notice and each Daily Report.  If the Servicer shall
fail to promptly calculate the Buyers' Interest as required herein, the
Collateral Agent may calculate the Buyers' Interest.  All calculations of the
Buyers' Interest shall be rounded to the nearest 1/100 of 1% (with any
calculation that yields 5/1000 of 1% as a last digit being rounded upward).  The
Buyers acknowledge that all calculations hereunder made by NSFC, the Servicer or
the Agents, are being made on a best efforts basis to the extent of information
reasonably available at the time such calculations are being made.

          (c) If at any time during a Ratings Suspension Period
 
                                       49
<PAGE>
 
          (x)(a) the amount of the Continuing Commitments of the Continuing
          Buyers, less their share of the outstanding Tranches, less the
          aggregate Undrawn L/C Amount in respect of all Letters of Credit
          equals or exceeds

          (b) the amount which would have to be paid to the Reducing Banks in
          order for each Reducing Buyer's share of the outstanding Tranches to
          not exceed its Continuing Commitment less its New Percentage of the
          aggregate Undrawn L/C Amount, and
 
          (y) the Aggregate Net Investment does not exceed the aggregate amount
          of the Continuing Commitments,

          NSFC may request the Continuing Buyers to, and the Continuing Buyers
shall, pursuant to Section 8.08(c), purchase assignments of the outstanding
Tranches from the Reducing Buyers such that

          (i) each Reducing Buyer's share of the outstanding Tranches does not
          exceed its Continuing Commitment less its New Percentage of the
          aggregate Undrawn L/C Amount,

          (ii) the Continuing Buyers shall be deemed to have purchased
          assignment of interests in the Letters of Credit from the Reducing
          Buyers such that after giving effect thereto each Continuing Buyer
          shall have a New Percentage interest in each Letter of Credit, and

          (iii) thereupon the Crossover Date shall have occurred.

          On the Crossover Date, NSFC shall pay to Buyers that are not
Continuing Buyers all accrued Fees and Other Expenses for their account.

          2.11.  Change in Circumstances.  If, prior to the commencement of any
Yield Accrual Period, (a) deposits in Dollars (in the applicable amounts) are
not being offered to the Reference Banks in the relevant market for such Yield
Accrual Period or (b) Buyers having 50% or more of the aggregate amount of the
Commitments advise the Administrative Agent that the Adjusted CD Rate or the
Adjusted London Interbank Offered Rate, as the case may be, as determined by the
Administrative Agent, will not adequately and fairly reflect the cost to such
Buyers of maintaining or funding Tranches the Yield Rate of which is based on
the Fixed CD Rate or the Euro-Dollar Rate, as the case may be, for such Yield
Accrual Period, the Administrative Agent shall forthwith give notice thereof to
 
                                       50
<PAGE>
 
NSFC and the Buyers, whereupon until the circumstances giving rise thereto no
longer exist, the obligations of the Buyers to allocate any portion of the
Aggregate Net Investment to any Tranche the Yield Rate of which is based on the
Fixed CD Rate or the Euro-Dollar Rate, as the case may be, shall be suspended.

          2.12.  Illegality.  If, on or after the date of this Agreement, the
adoption of any applicable law, rule or regulation, or any change therein, or
any change in the interpretation or administration thereof by any governmental
authority, central bank or comparable agency charged with the interpretation or
administration thereof, or compliance by any Buyer or its booking office for
this facility with any request or directive (whether or not having the force of
law) of any such governmental authority, central bank or comparable agency shall
make it unlawful or impossible for such Buyer to allocate its pro rata share of
the Aggregate Net Investment to any Tranche the Yield Rate of which is based on
the Euro-Dollar Rate and such Buyer shall so notify the Administrative Agent,
then the Administrative Agent shall forthwith give notice thereof to the other
Buyers and NSFC, whereupon until such Buyer notifies the Administrative Agent
and NSFC that such circumstances no longer exist, the obligation of such Buyer
to allocate its pro rata share of the Aggregate Net Investment to any Tranche
the Yield Rate of which is based on the Euro-Dollar Rate shall be suspended.  If
such Buyer shall determine that it may not lawfully continue to allocate its pro
rata share of the Aggregate Net Investment to any outstanding Tranche the Yield
Rate of which is based on Euro-Dollar Rate, then such Buyer's pro rata share of
such Tranche shall be deemed to be a separate Tranche with a Yield based on the
Base Rate but with the Yield Accrual Period otherwise applicable to such
Tranche.

          2.13.  Funding Losses.  If for any reason in respect of any Tranche
the Yield Rate of which is determined by reference to the Euro-Dollar Rate or
Fixed CD Rate, a reduction is effected on any day other than the last day of the
Yield Accrual Period selected or applicable thereto or the relevant Tranche is
otherwise not outstanding for the duration of such Yield Accrual Period or if
NSFC fails to complete any Incremental Purchase after notice has been given to
the Buyers in accordance with Section 2.02 hereof, NSFC shall reimburse each
Buyer within 10 days after demand for any resulting loss or expense incurred by
it (or by an existing or prospective participant in such Tranche), including
(without limitation) any loss incurred in obtaining, liquidating or employing
deposits from third parties, but excluding loss of margin.  Any such Buyer
making such demand for reimbursement shall deliver to NSFC a certificate as to
the amount of such loss or expense, which
 
                                       51
<PAGE>
 
certificate shall be conclusive in the absence of manifest error.

                                  ARTICLE III

                   CONDITIONS TO EFFECTIVENESS AND PURCHASES
                   -----------------------------------------

          3.01.  Conditions to Effectiveness.  This Agreement shall become
effective on the date (the "Closing Date") on which NSFC shall deliver or cause
to be delivered to the Agents the following, all of which shall be in form and
substance acceptable to the Agents:

          (a) a Buyer's Certificate for each of the Buyers duly executed by
     NSFC;

          (b) certificate of incorporation of NSFC, substantially in the form of
     Exhibit K, certified as of a date reasonably near the Closing Date by the
     Secretary of State of Delaware;

          (c) a good standing certificate for NSFC issued by the Secretary of
     State of the State of Delaware and a certificate of qualification of NSFC
     as a foreign corporation issued by the Secretary of State of the State of
     Indiana, each dated a date reasonably near the Closing Date;

          (d) (i) a copy of the resolutions, substantially in the form contained
     in Exhibit L, of the board of directors of NSFC certified as of the Closing
     Date by its secretary or an assistant secretary authorizing the execution,
     delivery and performance of the Program Documents and approving the
     transactions contemplated thereby; and (ii) a certificate of the secretary
     or an assistant secretary of NSFC dated the Closing Date and certifying (x)
     the names and signatures of the officers authorized on its behalf to
     execute the Program Documents and any other documents to be delivered by
     NSFC thereunder, (y) a copy of NSFC's by-laws, substantially in the form
     contained in Exhibit L, and (z) the names of NSFC's outside directors;

          (e) (i) a copy of the resolutions of the board of directors of NSC,
     substantially in the form of Exhibit M, certified as of the Closing Date by
     its secretary or an assistant secretary authorizing the execution, delivery
     and performance of the Program Documents and approving the transactions
     contemplated thereby; and (ii) a certificate of the secretary or an
     assistant secretary of NSC dated the Closing Date and certifying
 
                                       52
<PAGE>
 
     (x) the names and signatures of the officers authorized on its behalf to
     execute the Program Documents and any other documents to be delivered by
     NSC thereunder and (y) a copy of NSC's by-laws;

          (f) the certificate of incorporation of NSC certified as of a date
     reasonably near the Closing Date by the Secretary of State of NSC's
     jurisdiction of incorporation;

          (g) a good standing certificate for NSC issued by the Secretary of
     State of NSC's jurisdiction of incorporation, dated a date reasonably near
     the Closing Date;

          (h)  acknowledgement copies of proper financing statements (Form 
     UCC-1) dated a date reasonably near the Closing Date naming NSFC as the
     seller of the Purchased Interest in Receivables and the Collateral Agent
     for the Buyers as purchasers thereof or other similar instruments or
     documents as may be necessary or, in the opinion of the Collateral Agent or
     its counsel, desirable under the UCC of all appropriate jurisdictions to
     evidence and perfect the Buyers' ownership interest in the Purchased
     Interest;

          (i) acknowledgment copies of proper financing statements (Form UCC-1)
     dated a date reasonably near the Closing Date naming NSC as the seller of
     Receivables and NSFC as purchaser thereof or other similar instruments or
     documents as may be necessary or, in the opinion of the Collateral Agent or
     its counsel, desirable under the UCC of all appropriate jurisdictions to
     evidence and perfect NSFC's ownership interest in all Receivables, and of
     assignments of such financing statements to the Collateral Agent;

          (j) acknowledgement copies of proper financing statements (Form UCC-3)
     necessary to release all security interests and other rights of any Person
     previously granted by NSC or NSFC in Receivables, Contracts, inventory or
     goods;

          (k)  (i) requests for information or copies (Form UCC-11) (or a
     similar search report certified by parties acceptable to Collateral Agent
     or its counsel) dated a date reasonably near the Closing Date listing all
     effective financing statements which name either NSC or NSFC (under its
     present name and any previous name) as debtor
 
                                       53
<PAGE>
 
     and which are filed in jurisdictions in which the filings were made
     pursuant to items (h) or (i) above, together with copies of such financing
     statements (none of which, unless subject to a release referred to in item
     (j) above, shall cover any Receivables or Contracts which, or inventory or
     goods the sale of which, may give rise to a Receivable) and (ii) requests
     for information dated a date reasonably near the Closing Date regarding tax
     liens against NSC or NSFC in the relevant offices in the States of
     Illinois, Michigan, Pennsylvania and Indiana;

          (l) copies of all Lockbox Agreements with the Lockbox Banks and the
     Collection Account Bank;

          (m)  opinions dated the Closing Date of  Yukevich Blume & Zangrilli,
     counsel for NSFC and NSC in substantially the forms of Exhibits G-1 and G-
     2; and covering such other matters as the Agent may reasonably request;

          (n) a certificate dated the Closing Date executed by an officer of
     each of NSFC and NSC to the effect set forth in Sections 3.02(a) and (b);

          (o) the fees described in Section 2.07(a)(i) and (ii) hereof then due;

          (p) evidence satisfactory to the Collateral Agent of the establishment
     of the Collection Account and the Cash Collateral Account;

          (q) based on a trial balance of Receivables as of the close of
     business on the Business Day preceding the Closing Date, a calculation of
     the purchase price paid for Receivables by NSFC to NSC pursuant to the
     Purchase and Sale Agreement on the Closing Date and a Purchase Notice;

          (r) a letter from NSC's independent auditor confirming the
     characterization of the transfer of the Receivables from NSC to NSFC as a
     sale under GAAP;

          (s) evidence satisfactory to the Collateral Agent that the Buyer's
     Certificates shall have been rated at least AAA by S&P;

          (t) an executed and completed perfection certificate substantially in
     the form of Exhibit N;

          (u)  the Reserve Letter of Credit;
 
                                       54
<PAGE>
 
          (v) such other documents relating hereto as the Agents or their
     counsel shall reasonably request; and

          (w)  evidence that all Loans under the Existing Credit Facilities have
     been repaid in full and all other amounts payable thereunder paid in full,
     and that all letters of credit issued thereunder (other than those listed
     on Schedule 3 and the $15,449,863 letter of credit issued by The Long-Term
     Credit Bank of Japan, Ltd. to Pittsburgh National Bank) have been returned
     to the issuers thereof (or to the Administrative Agent) for cancellation.

          3.02.  Conditions to Incremental Purchases.  The following shall be 
conditions precedent to each Incremental Purchase:

           (a)  the fact that the representations and warranties in Article IV
     hereof and Article IV of the Purchase and Sale Agreement are true and
     correct as of the date of such Incremental Purchase as though made on and
     as of such date; and

           (b)  the fact that no Termination Event or Potential Termination
     Event shall have occurred and be continuing or occur as a result of such
     Incremental Purchase.

          At the time of each Incremental Purchase, NSFC shall be deemed to have
represented and warranted the facts set forth in clauses (a) and (b) above.

          3.03.  Conditions to Each Purchase.  The following shall be conditions
precedent to each Purchase:

          (a) the fact that after giving effect to such Purchase, the Adjusted
     Buyers' Interest shall not exceed 95%;

          (b)  without limiting the generality of the foregoing, the fact that
     each Receivable included in the calculation of Net Pool Balance as an
     Eligible Receivable as of the date of such Purchase is an Eligible
     Receivable and otherwise properly included in such a calculation as of such
     date;

          (c) the fact that no Overadvance Suspension Event has occurred and is
     continuing; and

          (d) the fact that the Final Purchase Date has not occurred under the
     Purchase and Sale Agreement and that, if on the date of such Purchase,
     there are new
 
                                       55
<PAGE>
 
     Receivables to be purchased under the Purchase and Sale Agreement, such
     Receivables are in fact purchased on such day pursuant to the Purchase and
     Sale Agreement.

At the time of each Purchase, NSFC shall be deemed to have represented and
warranted the facts set forth in clauses (a) through (d) above and shall be
deemed further to have specifically represented and warranted that, as to each
such Receivable included in the calculation of Net Pool Balance, the standards
set forth in clause (d) of the definition of "Eligible Receivable" and the
"Eligibility Criteria" set forth in the Purchase and Sale Agreement will
continue to be met.


                                   ARTICLE IV

                         REPRESENTATIONS AND WARRANTIES
                         ------------------------------

          NSFC hereby represents and warrants that:

          4.01.  Organization and Qualification.  It is a corporation duly
organized, validly existing and in good standing under the laws of its
jurisdiction of incorporation, and it is duly qualified to do business in each
jurisdiction in which the ownership of its assets or the nature of its
activities requires it to be so qualified.

          4.02.  Corporate Power.  It has the corporate power and authority to
execute and deliver the Program Documents and to perform its obligations
thereunder.

          4.03.  Execution and Binding Effect.  Each of the Program Documents to
which it is a party has been duly and validly authorized, executed and delivered
by it and constitutes a legal, valid and binding agreement of NSFC enforceable
in accordance with its terms.

          4.04.  Authorizations and Filings.  No authorization, consent,
approval, license, exemption or other action by, and no registration,
qualification or filing (other than the filing of Form UCC-1 financing
statements) with, any governmental office or agency is or will be necessary or
advisable in connection with the execution and delivery by it of the Program
Documents to which it is a party or the performance by it of or the compliance
by it with the terms and conditions thereof.

          4.05.  Absence of Conflicts.  The execution and delivery by it of the
Program Documents and the performance by it of and the compliance by it with the
terms and conditions thereof do not and will not (i) violate any law, statute,
rule or regulation or (ii) conflict with or result
 
                                       56
<PAGE>
 
in a breach of or a default under (A) its charter or by-laws or (B) any
agreement or instrument to which it is a party or by which it or any of its
properties is bound or result in the creation or imposition of any Lien pursuant
to the terms of any such instrument or agreement upon any of its property.

          4.06.   Accurate and Complete Disclosure.  No information furnished in
writing by it to the Agents or any Buyer pursuant to or in connection with this
Agreement is false or misleading in any material respect as of the date as of
which such information was furnished (including by omission of material
information necessary to make such information not misleading).

          4.07.  Litigation.  There are no proceedings or investigations
pending, or to its knowledge, threatened, against it (A) asserting the
invalidity of the Program Documents, (B) seeking to prevent the consummation of
any of the transactions contemplated by the Program Documents, or (C) seeking
any determination or ruling that might materially and adversely affect (i) the
performance by it of its obligations under the Program Documents or (ii) the
validity or enforceability of the Program Documents or the collectibility of the
Receivables.

          4.08.  Bulk Sales Act.  No transaction contemplated by the Program
Documents requires compliance with any bulk sales act or similar law.

          4.09.  Financial Condition.  Since the date of incorporation of NSFC,
there has been no material adverse change in the business, financial position or
results of operations or prospects of NSFC or in its ability to perform its
obligations under the Program Documents.

          4.10.  Margin Regulations.  None of the funds provided by the Buyers
hereunder will be used, directly or indirectly, for the purpose, whether
immediate, incidental or ultimate, of buying or carrying any "margin stock"
within the meaning of Regulation U of the Board of Governors of the Federal
Reserve System.

          4.11.  Environmental Matters.  Environmental Laws will not have a
material adverse effect on the business, financial condition or results of
operations of NSFC.

          4.12.  Investment Company Act.  It is not an "investment company" or a
company controlled by an "investment company" within the meaning of the
Investment Company Act of 1940, as amended.

                                       57
<PAGE>
 
                                   ARTICLE V

                                   COVENANTS
                                   ---------

          NSFC covenants, and NSC as, and only for so long as it is, Servicer
hereunder, covenants to perform the obligations set forth below to be performed
by the Servicer, in each case, as follows:

          5.01.  General Information.  Promptly upon becoming aware thereof,
NSFC shall give the Agents notice of any event or condition which could
reasonably be expected to have a material adverse effect on the collectibility
of the Receivables or the ability of the Servicer to service such Receivables or
the ability of NSFC or NSC to perform its obligations under the Program
Documents.  In order to verify compliance with this Section and otherwise verify
compliance with this Agreement, NSFC shall furnish the following to the Buyers:

          (i)  as soon as practicable and in any event within 45 days following
     the close of each fiscal quarter, excluding the last fiscal quarter, of
     each fiscal year, its unaudited balance sheet as at the end of such quarter
     and its unaudited statement of income for such quarter and for the fiscal
     year through such quarter, in accordance with GAAP, all in reasonable
     detail and certified by its chief financial officer or chief accounting
     officer;

          (ii)  as soon as practicable and in any event within 90 days after the
     close of each fiscal year, its audited balance sheet as at the close of
     such fiscal year and its audited statement of income for such fiscal year,
     in accordance with GAAP, all reported on by Ernst & Young or other
     independent public accountants of nationally recognized standing;

          (iii)  together with the financial statements required in clauses (i)
     and (ii) above, a certificate of its chief financial officer or chief
     accounting officer stating that, as of the date of the relevant financial
     statements, no Termination Event or Potential Termination Event exists, or
     if any Termination Event or Potential Termination Event exists, stating the
     nature and status thereof;

         (iv)  as soon as possible, and in any event within five Business Days
     of its knowledge thereof, notice of any litigation, investigation or
     proceeding against it which could have a material adverse effect on the
     collectibility of the Receivables or its ability to perform its obligations
     under the Program Documents;

                                       58
<PAGE>
 
          (v)  promptly upon becoming aware of any Termination Event or 
     Potential Termination Event, notice thereof, together with a written
     statement of an executive officer, the chief financial officer or the chief
     accounting officer setting forth the details thereof and any action with
     respect thereto taken or contemplated to be taken by it;

          (vi)  promptly upon giving or receiving such notice, notice of a Final
     Purchase Date under the Purchase and Sale Agreement; and

          (vii)  not later than one Business Day after receiving notice thereof,
     notice of any reduction, suspension or withdrawal of the rating assigned by
     S&P to the Buyer's Certificates; and

          (viii)  as soon as it receives any notice or information pursuant to
     the Purchase and Sale Agreement, such notice or information.

          5.02.  Information Regarding the Receivables.  (a)  NSFC shall cause
the Servicer to, and the Servicer shall, prepare and deliver to the Collateral
Agent on each Business Day on which the Aggregate Net Investment is greater than
zero a report substantially in the form of Exhibit D (the "Daily Report");
provided that delivery of a Daily Report may be delayed for up to two Business
Days if such delay is attributable to a systems failure or other circumstance
outside the control of NSFC and the Servicer.  Delivery of each Daily Report to
the Collateral Agent shall be deemed a representation by NSFC that such Daily
Report is, to the best knowledge of NSFC and the Servicer, accurate in all
material respects.  The Collateral Agent shall provide the Daily Reports to
Buyers upon request.

          (b)  On or prior to the Settlement Date in each month, NSFC shall
cause the Servicer to, and the Servicer shall, prepare and forward to the Agents
and the Buyers (i) a monthly report, substantially in the form of Exhibit E (the
"Monthly Report"), as of the close of business on the Month-end Date therefor
and certified by NSFC's chief executive officer, chief financial officer or
chief accounting officer and (ii) if requested by the Collateral Agent, a
listing (which may be in writing or in personal computer readable form) by
Obligor of all Purchased Receivables.  If there has been any delay in delivery
of a Daily Report during the Report Month then ended, the Monthly Report shall
contain an explanation of the reasons for such delay.

          (c)  On or before May 31 of each calendar year, beginning with May 31,
1995, NSFC will, or will cause the

                                       59
<PAGE>
 
Servicer to (in which event the Servicer shall), cause a firm of nationally
recognized independent public accountants (who may also render other services to
NSC, the Servicer or NSFC) to furnish a report to NSFC and the Agents and the
Buyers to the effect that:

          (i)  such firm has audited NSFC's and NSC's Receivables,

         (ii)  in conjunction with planning and performing those audits the
     internal control structure of NSC and the Servicer and their internal
     accounting controls over the processing of Receivables was considered, and

        (iii)  based on procedures whereby the Servicer's internal accounting
     records are compared on a random sampling basis to the information
     contained in the Daily Reports and Monthly Reports prepared during the
     period covered by such report, the information contained in the Daily
     Reports and Monthly Reports reviewed reconciles with the information
     contained in the Servicer's records relating to the Receivables.

          (d)  Not more than four times per year at the Collateral Agent's
request, or at any time and from time to time at the Collateral Agent's request
during the continuance of a Termination Event, each of NSFC and the Servicer
shall permit the Collateral Agent (or its designee) to conduct audits of the
Receivables and compliance with the provisions of Section 2.04, 2.05 and 2.06,
to visit and inspect any of its properties, to examine its records (and take
copies and extracts therefrom), internal controls and procedures relating to the
Receivables and the Obligors and its ability to perform its obligations under
any of the Program Documents and to discuss such matters with its officers,
employees and independent accountants.  Each of NSFC and the Servicer hereby
authorizes such officers, employees and independent accountants to discuss such
matters with the Collateral Agent (or such designee).

          (e)  NSFC will, or will cause the Servicer to (in which event the
Servicer shall), furnish to the Collateral Agent and the Buyers such additional
information with respect to the Receivables as the Collateral Agent may from
time to time reasonably request.

          5.03.  Preservation of Corporate Existence.   NSFC shall preserve and
maintain its corporate existence and good standing in the jurisdiction of its
incorporation, and be qualified in good standing as a foreign corporation in
each jurisdiction in which the ownership of its assets or the nature of its
activities requires it to be so qualified.

                                       60
<PAGE>
 
          5.04.  Compliance with Laws.  NSFC shall comply in all material
respects with all laws applicable to it.

          5.05.  No Adverse Interests.  Neither NSFC nor the Servicer will cause
or permit any of the Receivables, or any Related Security, any Collections
thereon or any proceeds of the foregoing or any Lockbox or Lockbox Account or
the Collection Account or the Cash Collateral Account to be sold, pledged,
assigned or transferred or to be subject to any Adverse Interest, other than
pursuant hereto.  NSFC will not create, incur, assume or suffer to exist any
Lien upon any of its other property or assets (other than Liens on office
premises or furniture or equipment granted to an Affiliate of NSFC or the
provider of such furniture or equipment).

          5.06.  No Merger.  NSFC will not consolidate or merge with or into any
other Person.

          5.07.  Limitations on Activities of NSFC.  NSFC will not:

          (a)  create, incur, assume or suffer to exist any Debt or any
     Guarantee or any other liability (contingent or otherwise) except (i)
     liabilities under the Program Documents, (ii) liabilities for taxes
     incidental to the operation of its business and (iii) liabilities for
     services supplied or furnished to NSFC;

          (b) make any loan or advance or credit to, or Guarantee the
     obligations of, or own, purchase, repurchase or acquire (or agree
     contingently to do so) any stock, obligations or securities of, or any
     other interest or investment in, or make any capital contribution to, any
     other Person, except for the purchase of Receivables pursuant to the
     Purchase and Sale Agreement and the investment of funds in Temporary Cash
     Investments or (in the Lockbox Accounts, the Collection Account or the Cash
     Collateral Account) in Cash Collateral Account Investments;

          (c)  enter into or be a party to any agreement or instrument other
     than the Program Documents or documents and agreements incidental to the
     activities specifically contemplated by the Program Documents;

          (d)  purchase or otherwise make any expenditure (by capital or
     operating lease or otherwise) for any assets other than (x) pursuant to the
     Purchase and Sale Agreement or (y) incidental to the activities
     specifically contemplated by the Program Documents;

                                       61
<PAGE>
 
          (e)  engage in any business or enterprise or activities other than the
     activities specifically contemplated by the Program Documents and
     activities incidental thereto;

          (f)  declare or pay any dividend or other amounts payable in respect
     of its capital stock (including by way of redemption or acquisition of its
     capital stock or rights to acquire such capital stock) or make any payment
     in respect of the Parent Note except to the extent of funds available
     therefor distributed to NSFC pursuant to Sections 2.05 and 2.06 and not
     required for the purchase of Receivables under the Purchase and Sale
     Agreement and only if no Event of Termination or Potential Event of
     Termination has occurred and is continuing or would be existing after
     giving effect thereto; or

          (g)  amend in any material respect its certificate of incorporation or
     by-laws, or amend or fail to comply in any respect with, the provisions
     thereof relating to corporate separateness or NSFC's special purpose
     (contained in Articles Third, Tenth or Eleventh of its certificate of
     incorporation and Section 9 of Article III or Section 6 of Article VIII of
     its by-laws), or amend or fail to comply in any respect with the Parent
     Note.

          5.08.  Administration of Purchased Receivables.

          (a)  NSFC shall, or shall cause the Servicer to (in which event the
     Servicer shall), maintain all records relating to the Purchased Receivables
     as may be necessary or advisable for the administration, servicing and
     collection of the Purchased Receivables (including, without limitation,
     duplicate records and/or system redundancy so as to enable the
     reconstruction of essential records in the event of any reasonably
     foreseeable casualty) and all other information necessary to establish or
     evidence the Buyers' right, title and interest in and to the Purchased
     Interest, such records and information to be prepared and maintained in a
     manner and utilizing procedures no less adequate than the manner and
     procedures in effect on the date hereof.  All Purchased Receivables will be
     identified under one or more computer codes not used for any other accounts
     receivables or any other accounting items of NSFC or any other Person and
     will be readily identifiable and otherwise segregated from all other
     accounts receivable and other accounting items of NSFC, the Servicer, NSC
     and any other Person.  Any printout listing the Purchased Receivables will
     indicate that NSFC owns the

                                       62
<PAGE>
 
     Purchased Receivables and that the Buyers own the Purchased Interest in the
     Purchased Receivables.

          (b)  The administration, servicing and collection of the Purchased
     Receivables shall be the responsibility of the Servicer.  Until a Servicing
     Transfer shall have occurred, NSC will act as Servicer.  The Servicer
     shall, to the fullest extent permitted by law, have the power and
     authority, on behalf of NSFC, to take such actions in respect of any such
     Receivable as the Servicer may deem advisable and are consistent with the
     terms of this Agreement.  The Servicer agrees to exercise the same degree
     of skill and care and apply the same standards, policies, procedures and
     diligence that it applies to the performance of the same functions with
     respect to its own accounts receivable.  The Servicer shall comply with all
     applicable legal requirements in the performance of its administrative,
     servicing and collection functions hereunder.

          (c) NSFC will at all times observe and perform, or cause to be
     observed and performed, all obligations and undertakings to the Obligors
     arising in connection with each Receivable and the related Contract.  The
     Servicer shall endeavor to collect or cause to be collected from the
     Obligor under each Receivable, as and when due, all amounts payable
     thereunder in accordance with the Credit and Collection Policy.  Neither
     NSFC nor the Servicer shall do anything to modify the terms of any
     Receivable, except in accordance with the Credit and Collection Policy, if
     such modification would adversely affect NSFC or cause a Termination Event,
     or otherwise impair the rights of the Buyers in and to the Purchased
     Interest; provided that (i) NSFC or the Servicer may grant, or permit to be
     granted, to the Obligor under any Purchased Receivable, any Dilution
     Adjustment which the Servicer in good faith believes is justified, subject
     to the provisions of Section 2.09, and (ii) the Servicer may take or permit
     to be taken such action to collect Purchased Receivables as it may deem
     advisable, including resale of any repossessed, returned or rejected goods
     and rescheduling through extension or otherwise of payments due under any
     Receivable if reasonable business judgment indicates that such rescheduling
     would enhance collection results.  Neither NSFC nor the Servicer shall
     change its business or the Credit and Collection Policy in a manner that
     would adversely affect NSFC or materially impair the collectibility of any
     Receivables or cause a Termination Event.  In the event of a default under
     any Purchased  Receivable, the Servicer shall be entitled to sue thereon in
     the name of NSFC and, if and only if

                                       63
<PAGE>
 
     the Collateral Agent, acting upon the instructions of the Required Buyers,
     consent in writing, as agent of the Buyers.  Payments from Obligors shall
     be applied to Purchased Receivables or portions thereof as specified by the
     related Obligor, or, in the absence of such specification, in the
     chronological order in which the Purchased Receivables of such Obligor
     arose.

          5.09.  Protection of Purchased Interest.

          (a)  NSFC and the Servicer shall, from time to time, do and perform
any and all acts and execute any and all documents (including, without
limitation any amendment, supplement or continuation of any financing statements
under the UCC, the execution of any instrument of transfer, the giving of notice
of the Purchased Interest to any Obligor and the making of notations in the
records) as may be necessary, or as may be requested by the Collateral Agent, in
order to effect the purposes of this Agreement and to protect the Purchased
Interest against all Persons whomsoever.  To the fullest extent permitted by
applicable law, the Collateral Agent shall be permitted to sign and file
financing and continuation statements with respect to the Purchased Interest and
amendments thereto without NSFC's execution thereof.

          (b)  NSFC shall not change its name, identity or corporate structure
(within the meaning of Section 9-402(7) of the UCC) or relocate its chief
executive office or any office where records are kept unless it shall have (i)
given the Collateral Agent at least 30 days' prior written notice thereof and
(ii) delivered an opinion of counsel (which counsel and which opinion shall be
satisfactory to the Collateral Agent) to the effect that all financing
statements and amendments or supplements thereto, continuation statements and
other documents required to be recorded or filed in order to perfect and protect
the Purchased Interest, for the period specified in such opinion, against all
creditors of and purchasers from NSFC have been filed in each filing office
necessary for such purpose and that all filing fees and taxes, if any, payable
in connection with such filings have been paid in full.  NSFC shall at all times
maintain its chief executive office within the jurisdiction of the United States
in which Article 9 of the Uniform Commercial Code (1972 or later revision) is in
effect.

          (c)  NSFC shall, promptly upon the request of the Collateral Agent
(but no more, as to each of (x) and (y), than once in any calendar year unless a
Termination Event or Potential Termination Event has occurred and is then
continuing), provide to the Collateral Agent either or both of (x) an opinion of
counsel to the effect set forth in

                                       64
<PAGE>
 
clause (ii) of subsection (b) above and (y) a report of counsel satisfactory
(which counsel and which report shall be satisfactory to the Collateral Agent)
as to NSFC's compliance with the provisions of its certificate of incorporation
and by-laws relating to corporate separateness and NSFC's special purpose
(contained in Articles Third, Tenth or Eleventh of its certificate of
incorporation and Section 9 of Article III or Section 6 of Article VIII of its
by-laws) and as to NSC's compliance with Section 6.08 of the Purchase and Sale
Agreement.

          (d)  NSFC and the Servicer agree that, subject to applicable laws, the
Collateral Agent shall have the right, prior to the occurrence of a Termination
Event if NSFC or the Servicer fails to do so, or at any time after the
occurrence of a Termination Event, to do all such acts and things as it may deem
necessary to protect the interests of the Buyers, including, without limitation,
confirmation and verification of the existence, amount and status of the
Purchased Receivables and collection and enforcement of the Purchased
Receivables, and that NSFC and the Servicer shall cooperate fully to give effect
to the foregoing.


                                   ARTICLE VI

                       TERMINATION AND SERVICING TRANSFER
                       ----------------------------------

          6.01.  Termination Events.  A "Termination Event" shall mean each of
the following events or conditions:

          (a) (i) NSFC shall fail to transfer or deposit, or fail to cause to be
     transferred or deposited, to the Collateral Agent any amounts in respect of
     reductions in the Aggregate Net Investment when required pursuant hereto,
     or (ii) Yield accrued during any Yield Accrual Period is not paid to the
     Buyers within five Business Days of the last day of such Yield Accrual
     Period; or

          (b) NSFC shall fail to pay, transfer or deposit, or fail to cause to
     be paid, transferred or deposited, any other amount when required pursuant
     hereto and such failure shall remain unremedied for three Business Days; or

          (c) any representation, warranty, certification or statement made or
     deemed made by NSFC, the Servicer or NSC under any of the Program Documents
     or in any certificate or document furnished pursuant thereto shall prove to
     have been false or misleading in any material respect when made or deemed
     made, other than a false representation or warranty made pursuant to
     Section 3.03 hereof or Section 5.01(a) of the Purchase

                                       65
<PAGE>
 
     and Sale Agreement relating to any Receivable as to (in the case of a
     misrepresentation pursuant to Section 3.03) which payment has been made (or
     by virtue of the proviso contained in Section 2.09(a) is not required to be
     made) pursuant to Section 2.09(a) or (in the case of a misrepresentation
     pursuant to Section 5.01(a) of the Purchase and Sale Agreement) payment or
     credit in an amount equal to the Outstanding Balance of such Receivable has
     been made pursuant to Section 2.02 of the Purchase and Sale Agreement; or

          (d) there shall be a default or failure in the performance or
     observance of any covenant, agreement or provision set forth in Section
     2.04, 2.05, 2.06, 2.09, 5.03, 5.05, 5.06, or 5.07 hereof or Section 2.02 of
     the Purchase and Sale Agreement; or

          (e) NSFC or NSC shall default or fail in the performance or observance
     of any other covenant, agreement or duty applicable to it contained in any
     of the Program Documents and such default or failure shall continue for ten
     Business Days after either (i) any officer of such Person becomes aware
     thereof or (ii) notice thereof is given to such Person by either Agent; or

          (f) a Servicer Termination Event; or

          (g) there shall be pending any litigation, investigation or proceeding
     against NSFC, the Servicer or NSC, which in the opinion of the Required
     Buyers is reasonably likely to materially adversely affect the
     collectibility of the Purchased Receivables or the ability of NSFC, the
     Servicer or NSC to perform its respective obligations under the Program
     Documents; or

          (h) there shall have occurred any event which materially adversely
     affects the collectibility of the Purchased Receivables; or

          (i) an Event of Bankruptcy shall occur with respect to NSFC or NSC or
     any other Material Subsidiary of NSC; or

          (j) the Loss to Liquidation Ratio shall exceed .75% on any Settlement
     Date; or

          (k) the Default Ratio shall exceed 7.5% on any Settlement Date or the
     average of the Default Ratios for any three consecutive Settlement Dates
     shall exceed 6.0%; or

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<PAGE>
 
          (l) the Dilution Ratio shall exceed 6.0% on any Settlement Date or the
     average of the Dilution Ratios for any three consecutive Settlement Dates
     shall exceed 4.5%; or

          (m) the Delinquency Ratio shall exceed 9.0% on any Settlement Date or
     the average of the Delinquency Ratios for any three consecutive Settlement
     Dates shall exceed 7.5%; or

          (n) NSFC shall be required to register as an "investment company"
     under the Investment Company Act of 1940, as amended; or

          (o)  NSFC or NSC or any other Material Subsidiary of NSC shall fail to
     make any payment of principal or interest on any Debt when due, or any
     event or condition shall occur which enables, or which, with the giving of
     notice or the passage of time or both, would enable, the holder of any such
     Debt, or any Person acting on any such holder's behalf, to accelerate the
     maturity or require the prepayment of any such Debt, and, in the case of
     any such Person other than NSFC, such Debt, either singly or when
     aggregated with all other such Debt as to which any such Person or Persons
     shall have failed to make payment, or in respect of which such event or
     condition shall have occurred, exceeds $5,000,000; or

          (p) any member of the ERISA Group shall fail to pay when due an amount
     or amounts aggregating in excess of $5,000,000 which it shall have become
     liable to pay under Title IV of ERISA with respect to a Plan; or notice of
     intent to terminate a Material Plan shall be filed under Title IV of ERISA
     by any member of the ERISA Group, any plan administrator or any combination
     of the foregoing; or the PBGC shall institute proceedings under Title IV of
     ERISA to terminate, to impose liability (other than for premiums under
     Section 4007 of ERISA) in respect of, or to cause a trustee to be appointed
     to administer any Material Plan; or a condition shall exist by reason of
     which the PBGC would be entitled to obtain a decree adjudicating that any
     Material Plan must be terminated; or there shall occur a complete or
     partial withdrawal from, or a default, within the meaning of Section
     4219(c)(5) of ERISA, with respect to, one or more Multiemployer Plans which
     could cause one or more members of the ERISA Group to incur a current
     payment obligation in excess of $5,000,000; or

          (q) the stockholder's equity of NSFC is less than $36,000,000 (or, if
     15% of the aggregate Outstanding

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<PAGE>
 
     Balance of the Purchased Receivables is greater, such greater amount); or

          (r) Collections on the Purchased Receivables during any five Business
     Day period shall be insufficient for the allocation of the accrued and
     unpaid Yield for such period pursuant to Section 2.05; or

          (s) NSC shall cease to own directly or indirectly 100% of the capital
     stock of NSFC; or

          (t) the Adjusted Buyers' Interest shall exceed 95% for more than two
     consecutive Business Days; or

          (u)  on or before the 10th day of a Ratings Suspension Period, all of
     the Buyers elect to terminate their Commitments pursuant to the proviso in
     the definition of "Commitment".

          6.02.  Consequences of a Termination Event.

          (a)  If a Termination Event shall occur and be continuing, Buyers
having more than 50% of the Commitments may, by directing the Administrative
Agent to deliver notice to such effect to NSFC and NSC, terminate the
Commitments and may, whether or not the Commitments are terminated, instruct the
Issuing Banks to timely give notice that outstanding Letters of Credit having
automatic renewal provisions will not be renewed; provided that (i) in the case
of an Event of Bankruptcy with respect to NSFC or NSC or in the case of a
Termination Event under Section 6.01(n) or (ii) if a Termination Event occurs
under Section 6.01(t) and such Termination Event under Section 6.01(t) is not
both cured, such that Adjusted Buyers' Interest no longer exceeds 95%, and
expressly waived in writing by the Required Buyers within 15 days of (and
including) the Business Day on which Adjusted Buyers' Interest first exceeded
95%, the Commitments hereunder shall be automatically terminated without any
action on the part of the Agents or the Buyers, and the Issuing Banks shall
timely give notice that outstanding Letters of Credit having automatic renewal
provisions will not be renewed.

          (b) If a Termination Event shall have occurred and be continuing, (i)
the Collateral Agent shall be entitled to notify the Obligors of Purchased
Receivables to make payments directly to the Collateral Agent of amounts due
thereunder; (ii) the Collateral Agent (or its designee) shall be permitted to
open and inspect mail received by NSFC or the Servicer or NSC which the
Collateral Agent reasonably believes may relate to the Purchased Receivables,
and to remove therefrom any and all Collections and correspondence

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<PAGE>
 
from Obligors in respect of Purchased Receivables (and NSFC shall cause NSC to
agree to the foregoing); and (iii) the Collateral Agent may deliver the Transfer
Letters to any of the Lockbox Banks or the Collection Account Bank and NSFC
shall fully cooperate with the Collateral Agent so as to give effect to such
Transfer Letters; provided that, notwithstanding the foregoing, Collections
shall in any event be allocated in accordance with Sections 2.05 and 2.06.

          6.03.  Servicing Transfer. The Required Buyers may, at any time, with
or without cause, by directing the Administrative Agent to deliver notice to
such effect to NSFC and the Servicer, terminate the services of the then
Servicer under the Program Documents and transfer (a "Servicing Transfer") the
servicing of the Purchased Receivables to the Collateral Agent or affiliated or
unaffiliated contractors engaged by the Collateral Agent to act as Servicer.
The Collateral Agent agrees that if no other Servicer is engaged it will act as
Servicer hereunder.  Such Servicing Transfer shall be effective immediately if a
Termination Event is then in existence but shall otherwise be effective 30 days
after delivery of the notice thereof.  Notwithstanding the Servicing Transfer,
pending the commencement of the servicing of the Purchased Receivables by the
successor Servicer, the terminated Servicer shall continue to be obligated to
service the Receivables pursuant hereto.  The terminated Servicer, after
receiving a notice of a Servicing Transfer shall, at its expense, deliver to the
Collateral Agent or the successor Servicer, as and when directed by the
Collateral Agent, (i) a schedule of the Purchased Receivables indicating, as to
each Purchased Receivable, information as to the related Obligor and the
Outstanding Balance and (ii) all records relating to such Purchased Receivables.

                                  ARTICLE VII

                                   THE AGENT
                                   ---------

          7.01.  Appointment and Authorization.  Each Buyer irrevocably appoints
and authorizes each Agent to take such action as agent on its behalf and to
exercise such powers under this Agreement as are delegated to each Agent by the
terms hereof, together with all such powers as are reasonably incidental
thereto.  Each Buyer hereby irrevocably grants each Agent or its designated
agent, if any, an irrevocable power of attorney, with full power of
substitution, coupled with an interest, at any time and from time to time, to
take in the name of such Buyer all actions with respect to any Purchased
Receivable which such Agent may deem necessary or advisable to realize upon the
Purchased Interest in any Receivable.

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<PAGE>
 
          7.02.  Agent and Affiliates.  Each of Morgan Guaranty and J.P. Morgan
Delaware shall have the same rights and powers under this Agreement as any other
Buyer and may exercise or refrain from exercising the same as though they were
not the Agents, and each of Morgan Guaranty and J.P. Morgan Delaware and their
respective affiliates may accept deposits from, lend money to, and generally
engage in any kind of business with NSFC or any Affiliate of NSFC as if they
were not Agents hereunder.

          7.03.  Action by Agents.  The respective obligations of the Agents
hereunder are only those expressly set forth herein.  Without limiting the
generality of the foregoing, the Agents shall not be required to take any action
with respect to any Termination Event, except as expressly provided in Article
VI.

          7.04.  Consultation with Experts.  The Agents may consult with legal
counsel (who may be counsel for NSFC or any Affiliates thereof), independent
public accountants and other experts selected by the Agents, and the Agents
shall not be liable for any action taken or omitted to be taken by the Agents in
good faith in accordance with the advice of such counsel, accountants or
experts.

          7.05.  Liability of Agents.  Neither Agent nor any of its respective
directors, officers, agents, affiliates or employees shall be liable for any
action taken nor not taken by it in connection herewith (i) with the consent or
at the request of the Required Buyers or (ii) in the absence of its own gross
negligence or willful misconduct.  Neither Agent nor any of its respective
directors, officers, agents, affiliates or employees shall be responsible for or
have any duty to ascertain, inquire into or verify (i) any statement, warranty
or representation made in connection with the Program Documents or any Purchase
hereunder; (ii) the performance or observance of any of the covenants or
agreements of NSFC or the Servicer or NSC; (iii) the satisfaction of any
condition specified in Article III, except receipt of items required to be
delivered to such Agent; or (iv) the validity, effectiveness or genuineness of
the Program Documents or any other instrument or writing furnished in connection
therewith.  Neither Agent shall  incur any liability by acting in reliance upon
any notice, consent, certificate, statement, or other writing (which may be a
bank wire, telex, telecopy or similar writing) believed by it to be genuine or
to be signed by the proper party or parties.

          7.06.  Indemnification.  Each Buyer shall, ratably in accordance with
its Commitment, indemnify each Agent (to the extent not reimbursed by NSFC)
against any cost, expense (including counsel fees and disbursements), claim,
demand,

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<PAGE>
 
action, loss or liability (except such as result from such Agent's gross
negligence or willful misconduct) that such Agent may suffer or incur in
connection with the Program Documents or any action taken or omitted by such
Agent thereunder.

          7.07.  Purchase Decision.  Each Buyer acknowledges that it has,
independently and without reliance upon the Agents or any other Buyer, and based
on such documents and information as it has deemed appropriate, made its own
analysis and decision to enter into this Agreement.  Each Buyer also
acknowledges that it will independently and without reliance upon the Agents or
any other Buyer, and based on such documents and information as it shall deem
appropriate at the time, continue to make its own credit decisions in taking or
not taking any action under this Agreement.

          7.08.  Successor Agent.  Each Agent may resign at any time by giving
written notice thereof to the Buyers, NSFC and the Servicer.  Upon any such
resignation, the Required Buyers shall have the right to appoint a successor
Agent.  If no successor Agent shall have been so appointed by the Required
Buyers, and shall have accepted such appointment, within 30 days after the
retiring Agent gives notice of resignation, then the retiring Agent may, on
behalf of the Buyers, appoint a successor Agent, which shall be a commercial
bank organized or licensed under the laws of the United States of America or of
any State thereof and having a combined capital and surplus of at least
$50,000,000.  Upon the acceptance of its appointment as the Agent hereunder by a
successor Agent (and not before), such successor Agent shall thereupon succeed
to and become vested with all the rights and duties of such retiring Agent and
the retiring Agent shall be discharged from its duties and obligations
hereunder.  After the retiring Agent's resignation hereunder, the provisions of
this Article shall inure to the retiring Agent's benefit as to any actions taken
or omitted to be taken by it while it was an Agent.

          7.09.  Direction by Required Buyers.  As to remedies hereunder with
respect to the Receivables or the Purchase and Sale Agreement or other specific
rights hereunder that the Collateral Agent has with respect to the Receivables
or the Purchase and Sale Agreement, the Collateral Agent shall exercise such
remedies and rights if and as requested by the Required Buyers; provided that it
shall not be so required to act (x) if upon advice of counsel it concludes that
any such action creates potential liability on its part or constitutes a
violation of law or (y) it shall not be indemnified to its satisfaction by the
Buyers in advance in respect of its costs and expenses in connection therewith.

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<PAGE>
 
                                  ARTICLE VIII

                                 MISCELLANEOUS
                                 -------------

          8.01.  Expenses.  NSFC shall pay, reimburse, indemnify and hold
harmless

            (i)  the Agents in respect of all reasonable internal or external
     costs and expenses of every type and nature (including, without limitation,
     the fees, expenses and disbursements of attorneys, auditors, accountants
     and agents) incurred by the Agents in connection with their investigation
     of NSFC and NSC and the negotiation, preparation and execution of the
     Program Documents and any amendments thereto or waivers thereof and the
     creation, perfection and protection of the Purchased Interest (including,
     without limitation, fees and expenses for lien searches, local counsel in
     various jurisdictions, filing and recording fees, taxes, duplication costs
     and corporate search fees);

           (ii)  the Collateral Agent in respect of the cost of any audits,
     visits and inspections made pursuant to Section 5.02(d);

          (iii)  the Agents and the Buyers in respect of any transfer taxes or
     stamp or documentary taxes or charges made by any governmental authority by
     reason of the execution and delivery of the Program Documents; and

          (iv)  if an actual or alleged Termination Event or Potential
     Termination Event occurs, the Agents, the Buyers, the Issuing Banks and the
     Reserve L/C Bank in respect of all out-of-pocket expenses incurred by the
     Agents, the Buyers, the Issuing Banks and the Reserve L/C Bank, including
     fees and disbursements of counsel (including allocated costs of internal
     counsel) and the cost of any asset administration (A) in connection with
     such actual or alleged Termination Event or Potential Termination Event and
     collection and other enforcement proceedings resulting therefrom, (B) in
     connection with any restructuring of the arrangements provided under this
     Agreement in the nature of a "work-out" or in connection with any
     insolvency or bankruptcy proceeding with respect to NSFC, NSC or the
     Servicer, (C) in protecting, preserving, collecting, selling, taking
     possession of, or liquidating any of the Receivables, the Collections or
     the Related Security or (D) in connection with any Servicing Transfer.

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<PAGE>
 
          8.02.  Indemnity for Changes in Law; Taxes.

          (a) (i) If on or after the date hereof, the adoption of any law, rule
or regulation, or any change in any law, rule or regulation, or any change in
the interpretation or administration thereof by any governmental authority,
central bank or comparable agency charged with the interpretation or
administration thereof, or the compliance by any Buyer or Issuing Bank or the
Reserve L/C Bank with any request or directive (whether or not having the force
of law) of any such governmental authority, central bank or comparable agency:

          (x)  shall impose, modify or deem applicable any reserve (including,
     without limitation, any such requirement imposed by the Board of Governors
     of the Federal Reserve System, but excluding (A) with respect to any Fixed
     CD Rate Yield Accrual Period any such requirement included in the
     applicable Domestic Reserve Percentage and (B) with respect to any Euro-
     Dollar Rate Yield Accrual Period any such requirement included in the
     applicable Euro-Dollar Reserve Percentage), special deposit, insurance
     assessment (excluding with respect to any Fixed CD Rate Yield Accrual
     Period any such requirement reflected in the applicable Assessment Rate) or
     similar requirement against assets of, deposits with or for the account of,
     or credit extended by, any Buyer or Issuing Bank or the Reserve L/C Bank
     (or its booking office for this facility) or shall impose on any Buyer or
     Issuing Bank or the Reserve L/C Bank (or its booking office for this
     facility) or on the United States market for certificates of deposit or the
     London interbank market any other condition affecting the Program Documents
     or Letters of Credit or the Reserve Letter of Credit, or payments of
     amounts thereunder or its obligation to advance funds or issue Letters of
     Credit under the Program Documents or to maintain or advance funds under
     Letters of Credit or the Reserve Letter of Credit or its funding of any
     Purchases; or

          (y)  imposes upon any Buyer or Issuing Bank or the Reserve L/C Bank
     any other expense (including, without limitation, reasonable attorneys'
     fees and expenses, and expenses of litigation or preparation therefor in
     contesting any of the foregoing) with respect to the Program Documents or
     Letters of Credit or the Reserve Letter of Credit or payments of amounts
     thereunder or its obligation to advance funds or issue Letters of Credit
     under the Program Documents or to maintain or advance funds under Letters
     of Credit or the Reserve Letter of Credit or its funding of any Purchases;

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<PAGE>
 
and the result of any of the foregoing is to increase the cost or reduce the
return to such Buyer or Issuing Bank or the Reserve L/C Bank (or its booking
office for this facility) with respect to the Program Documents or payments of
amounts thereunder or its obligation to advance funds thereunder or the funding
of any Purchases thereunder, by an amount deemed by such Buyer or Issuing Bank
or the Reserve L/C Bank to be material, then, within 15 days after demand by
such Buyer or Issuing Bank or the Reserve L/C Bank (with a copy to the
Administrative Agent), NSFC shall pay to such Buyer or Issuing Bank or the
Reserve L/C Bank such additional amount or amounts as will compensate such Buyer
or Issuing Bank or the Reserve L/C Bank for such increased cost or reduction.

          (ii)  If any Buyer or Issuing Bank or the Reserve L/C Bank shall have
determined that, after the date hereof, the adoption of any applicable law, rule
or regulation regarding capital adequacy, or any change in any such law, rule or
regulation, or any change in the interpretation or administration thereof by any
governmental authority, central bank or comparable agency charged with the
interpretation or administration thereof, or any request or directive regarding
capital adequacy (whether or not having the force of law) of any such
governmental authority, central bank or comparable agency, has or would have the
effect of reducing the rate of return on capital of such Buyer or Issuing Bank
or the Reserve L/C Bank (or its corporate parent) as a consequence of such
Buyer's or Issuing Bank's or Reserve L/C Bank's obligations hereunder to a level
below that which such Buyer or Issuing Bank or Reserve L/C Bank (or its
corporate parent) could have achieved but for such adoption, change or directive
(taking into consideration its policies with respect to capital adequacy) by an
amount deemed by such Buyer or Issuing Bank or the Reserve L/C Bank to be
material, then from time to time, within 15 days after demand by such Buyer or
Issuing Bank or the Reserve L/C Bank (with a copy to the Administrative Agent),
NSFC shall pay to such Buyer or Issuing Bank or the Reserve L/C Bank such
additional amount or amounts as will compensate such Buyer or Issuing Bank or
Reserve L/C Bank (or its corporate parent) for such reduction.

          (iii)  Each Buyer or Issuing Bank or the Reserve L/C Bank will
promptly notify NSFC of any event of which it has knowledge, occurring after the
date hereof, which will entitle it to compensation pursuant to this Section
8.02(a).  A certificate of any Buyer or Issuing Bank or the Reserve L/C Bank
claiming compensation under this Section 8.02(a) and setting forth in reasonable
detail the additional amount or amounts to be paid to it hereunder shall be
conclusive in the absence of manifest error.  In determining such amount,

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<PAGE>
 
such Buyer or Issuing Bank or the Reserve L/C Bank may use any reasonable
averaging and attributing methods.

          (b)  For purposes of this Section 8.02(b), the following terms have
the following meanings:

          "Taxes" means any and all present or future taxes, duties, levies,
     imposts, deductions, charges or withholdings with respect to any payment to
     the Buyers, the Agents or the Issuing Banks or the Reserve L/C Bank
     pursuant to this Agreement, and all liabilities with respect thereto
     (including reasonable costs and expenses in defending against the same),
     excluding (i) in the case of each Buyer, Agent or Issuing Bank or the
     Reserve L/C Bank, taxes imposed on its income, and franchise or similar
     taxes imposed on it, by a jurisdiction under the laws of which such Buyer,
     Agent or Issuing Bank or the Reserve L/C Bank (as the case may be) is
     organized or in which its principal executive office is located or, in the
     case of each Buyer or Issuing Bank or the Reserve L/C Bank, in which its
     booking office for this facility is located and (ii) in the case of each
     Buyer or Issuing Bank or the  Reserve L/C Bank, any United States
     withholding tax imposed on such payments but only to the extent that such
     Buyer or Issuing Bank or the Reserve L/C Bank is subject to United States
     withholding tax at the time such Buyer or Issuing Bank or the Reserve L/C
     Bank first becomes a party to this Agreement.

          "Other Taxes" means any present or future stamp or documentary taxes
     and any excise, property, sales, gross receipts, general corporation,
     privilege or license taxes, or similar charges or levies, which arise from
     any payment made pursuant to this Agreement or from the execution or
     delivery of, or otherwise with respect to, this Agreement or the Program
     Documents and all liabilities with request thereto (including reasonable
     costs and expenses in defending against the same), whether arising by
     reason of the acts to be performed by NSFC hereunder or imposed against
     NSFC, another Affiliate of NSFC, the property involved or otherwise.

          (ii)  Any and all payments to or for the account of any Buyer, Agent
or Issuing Bank or the Reserve L/C Bank hereunder shall be made without
deduction for any Taxes or Other Taxes; provided that, if it shall be required
by law that any Taxes or Other Taxes be deducted from any such payments, (i) the
sum payable shall be increased as necessary so that after making all required
deductions (including deductions applicable to additional sums payable under
this Section 8.02(b)) such Buyer, Agent or Issuing
 
                                       75
<PAGE>
 
Bank or the Reserve L/C Bank (as the case may be) receives an amount equal to
the sum it would have received had no such deductions been made, (ii) NSFC shall
cause such deductions to be made, (iii) NSFC shall cause the full amount
deducted to be paid to the relevant taxation authority or other authority in
accordance with applicable law and (iv) NSFC shall furnish to the Administrative
Agent, the original or a certified copy of a receipt evidencing payment thereof.

          (iii)  NSFC agrees to indemnify each Buyer, Agent and Issuing Bank and
the Reserve L/C Bank for the full amount of Taxes or Other Taxes (including,
without limitation, any Taxes or Other Taxes imposed or asserted by any
jurisdiction on amounts payable under this Section 8.02(b)) paid by such Buyer,
Agent or Issuing Bank or the Reserve L/C Bank (as the case may be) and any
liability (including penalties, interest and expenses) arising therefrom or with
respect thereto.  This indemnification shall be paid within 15 days after such
Buyer, Agent or Issuing Bank or the Reserve L/C Bank (as the case may be) makes
demand therefor. Each Buyer, Agent and Issuing Bank or the Reserve L/C Bank
agrees to give notice to NSFC of any Other Taxes asserted against it provided
that the failure to give such notice shall not affect NSFC's obligations
hereunder.

          (iv)  Each Buyer or Issuing Bank organized under the laws of a
jurisdiction outside the United States, on or prior to the date of its execution
and delivery of this Agreement in the case of each Buyer or Issuing Bank listed
on the signature pages hereof and on or prior to the date on which it becomes a
Buyer or Issuing Bank in the case of each other Buyer or Issuing Bank, and from
time to time thereafter if requested in writing by NSFC (but only so long as
such Buyer or Issuing Bank remains lawfully able to do so), shall provide the
Borrower with Internal Revenue Service form 1001 or 4224, as appropriate, or any
successor form prescribed by the Internal Revenue Service, certifying that such
NSFC is entitled to benefits under an income tax treaty to which the United
States is a party which exempts the NSFC from United States withholding tax or
reduces the rate of withholding tax on payments of interest for the account of
such Buyer or Issuing Bank or certifying that the income receivable pursuant to
this Agreement is effectively connected with the conduct of a trade or business
in the United States.

          (v)  For any period with respect to which a Buyer or Issuing Bank has
failed to provide NSFC with the appropriate form pursuant to Section 8.02(b)(iv)
(unless such failure is due to a change in treaty, law or regulation occurring
subsequent to the date on which such form
 
                                       76
<PAGE>
 
originally was required to be provided), such Buyer or Issuing Bank shall not be
entitled to indemnification under Section 8.02(b)(ii) or (iii) with respect to
Taxes imposed by the United States; provided that if a Buyer or Issuing Bank,
which is otherwise exempt from or subject to a reduced rate of withholding tax,
becomes subject to Taxes because of its failure to deliver a form required
hereunder, NSFC shall take such steps as such Buyer or Issuing Bank shall
reasonably request to assist such Buyer or Issuing Bank to recover such Taxes.

          8.03.  General Indemnity.

          NSFC agrees to indemnify, and hold harmless the Agents, the Issuing
Banks, the Reserve L/C Bank and each Buyer and each of their respective
directors, officers, affiliates, shareholders, employees, agents and each legal
entity, if any, who controls any such Person (each, an "indemnitee") forthwith
on demand, from and against any and all losses, claims, damages, liabilities,
costs and expenses (including, without limitation, all reasonable attorneys'
fees and expenses, expenses incurred by their respective credit recovery groups
and expenses of settlement or litigation or preparation therefor) which any
indemnitee may incur or which may be asserted against any indemnitee by any
Person (including, without limitation, any Obligor) arising from or incurred in
connection with:
 
           (i)  any breach of a representation, warranty or covenant by NSFC or
     the Servicer made or deemed made in the Program Documents or in connection
     herewith (including any failure of information contained in a Daily Report
     or Monthly Report to be true and correct in all material respects),

          (ii)  any action taken or, if NSFC or the Servicer is otherwise
     obligated to take action, failed to be taken, by NSFC or the Servicer, as
     the case may be, with respect to the Purchased Interest or any of their
     respective obligations under the Program Document, including, without
     limitation, NSFC's or the Servicer's failure to comply with any applicable
     law or regulation,

         (iii)  any failure to vest and maintain vested in the Buyers the
     ownership interest in the Purchased Interest, free and clear of any Adverse
     Interest,

          (iv)  any products liability claim arising out of or relating to the
     Receivables or the related Contracts,
 
                                       77
<PAGE>
 
           (v)  any failure to pay when due any taxes required to be paid by
     NSFC, including without limitation any sales tax, excise tax or other
     similar tax or charge payable in connection with the Receivables and their
     creation or satisfaction, or

          (vi)  any dispute, suit, action, claim, proceeding or governmental
     investigation, pending or threatened, whether based on statute, regulation
     or order (including any such suit, action, claim or proceeding alleging a
     violation of any Federal or state securities laws, on tort, on contract or
     otherwise), before any court, arbitral panel, or other tribunal which
     arises out of or relates to the Program Documents or the Letters of Credit
     or the use of the proceeds of the sale of the Purchased Interest pursuant
     hereto;

provided that in no event shall an indemnitee be entitled to indemnification
hereunder for such indemnitee's own gross negligence or willful misconduct as
determined by a court of competent jurisdiction.

          8.04.  Amendments and Waivers.  Any provision of this Agreement may be
amended or waived if, but only if, such amendment or waiver is in writing and is
signed by NSFC and the Required Buyers (and, if the rights or duties of either
Agent or the Servicer or any Issuing Bank or the Reserve L/C Bank are affected
thereby, by such Person); provided that no such amendment or waiver shall,
unless signed by each affected Buyer, (i) increase the Commitment of such Buyer
or subject such Buyer to any additional obligation, (ii) reduce the Aggregate
Net Investment or the Yield Rate applicable to any Tranche or any Fees, or
change, directly or indirectly, the definition of Buyers' Interest or
Transferor's Interest or the allocation between the Buyers' Interest and the
Transferor's Interest set forth in Sections 2.05 and 2.06 or otherwise change
the allocations and priorities set forth in Sections 2.05 and 2.06, (iii) extend
the Expiry Date or (iv) change the percentage of the Commitments which shall be
required for the Buyers to take any action under this Section or any other
provision of this Agreement.

          8.05.  No Implied Waiver; Cumulative Remedies.  No course of dealing
and no delay or failure of the Agents, the Buyers, the Issuing Banks or the
Reserve L/C Bank in exercising any right, power or privilege under the Program
Documents shall affect any other or future exercise thereof or the exercise of
any other right, power or privilege; nor shall any single or partial exercise of
any such right, power or privilege or any abandonment or discontinuance of steps
to enforce such a right, power or privilege preclude any further exercise
thereof or of any other right, power or
 
                                       78
<PAGE>
 
privilege.  The rights and remedies of the Agents, the Buyers, the Issuing Banks
and the Reserve L/C Bank under the Program Documents are cumulative and not
exclusive of any rights or remedies which the Agents, the Buyers, the Issuing
Banks and the Reserve L/C Bank would otherwise have.

          8.06.  Notices.  All notices, requests and other communications to any
party hereunder shall be in writing (including bank wire, telex, facsimile
transmission or similar writing) and shall be given to such party at such
address or telex number set forth on the signatures pages hereto or, with
respect to any Buyer, any Issuing Bank or the Reserve L/C Bank, on its
Administrative Questionnaire, or as such party may otherwise specify for the
purpose by notice to NSFC and the Agents.  Each such notice, request or other
communication shall be effective (i) if given by telex, when such telex is
transmitted to the telex number specified in this Section and the appropriate
answerback is received, (ii) if given by mail, 72 hours after such communication
is deposited in the mails with first-class postage prepaid, addressed as
aforesaid or (iii) if given by any other means, when delivered at the address
specified in this Section; provided that notices to the Agents or the Issuing
Banks under Article II or Article VI shall not be effective until received.

          8.07.  Sharing of Set-Offs.  Each Buyer agrees that if it shall, by
exercising any right of set-off or counterclaim or otherwise, receive payment of
a portion of  the Aggregate Net Investment, Yield or Commitment or Letter of
Credit Participation Fees which is greater than the proportion received by any
other Buyer in respect of the Aggregate Net Investment, Yield or Commitment or
Letter of Credit Participation Fees, the Buyer receiving such proportionately
greater payment shall purchase such participations in the Purchased Interest
held by, and Commitment or Letter of Credit Participation Fees owing to, the
other Buyers, and such other adjustments shall be made, as may be required so
that all such payments shall be shared by all of the Buyers pro rata; provided
that nothing in this Section shall impair the right of any Buyer to exercise any
right of set-off or counterclaim it may have and to apply the amount subject to
such exercise to the payment of other liabilities of NSFC to it.  NSFC agrees,
to the fullest extent it may effectively do so under law, that any holder of a
participation in the Purchased Interest, whether or not acquired pursuant to the
foregoing arrangements, may exercise rights of set-off and counterclaim and
other rights with respect to such participation as fully as if such holder of a
participation were a Buyer hereunder.
 
                                       79
<PAGE>
 
          8.08.  Successors and Assigns.

          (a)  The provisions of this Agreement shall be binding upon and inure
to the benefit of the parties hereto and their respective successors and
assigns, except that NSFC may not assign or otherwise transfer any of its rights
under this Agreement.

          (b)  No assignee or participant of any Buyer's rights shall be
entitled to receive any greater payment under Section 8.02 hereof than such
Buyer would have been entitled to receive with respect to the rights
transferred, unless such assignment or participation is made with NSFC's prior
written consent, or at a time when the circumstances giving rise to such greater
payment did not exist.

          (c)  (i) Any Buyer may assign to any bank or financial institution any
part of its rights and obligations hereunder, and the assignee shall assume such
rights and obligations pursuant to an instrument in writing; provided that (i)
the amount of the Commitment assigned is not less than $5,000,000 and (ii) the
consent of NSFC and of the Issuing Banks to such assignment shall be required.
Upon execution and delivery of such instrument and payment by such assignee to
such transferor Buyer of an amount equal to the purchase price agreed between
such transferor Buyer and such assignee, such assignee shall be a Buyer party to
this Agreement and shall have all the rights and obligations of a Buyer with a
Commitment as set forth in such instrument of assumption, and the transferor
Buyer shall be released from its obligations hereunder to a corresponding
extent, and no further consent or action by any party shall be required.  Upon
the consummation of any assignment pursuant to this subsection (c), the
transferor Bank, the Agent and the Borrower shall make appropriate arrangements
so that, if required, a new Buyer's Certificate is issued to the assignee.  In
connection with any such assignment, the transferor Buyer shall pay to the
Administrative Agent an administrative fee for processing such assignment in the
amount of $2,000.  If the assignee is not incorporated under the laws of the
United States of America or a state thereof, it shall, prior to the first date
on which amounts are payable hereunder for its account, deliver to NSFC and the
Administrative Agent certification as to exemption from deduction or withholding
of any United States federal income taxes in accordance with Section 8.02.

          (ii)  Any Buyer may at any time assign all or any portion of its
rights under this Agreement to a Federal Reserve Bank.  No such assignment shall
release the assignor Buyer from its obligations hereunder.
 
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<PAGE>
 
          (d)  Any Buyer may sell participations in any portion of its rights
and obligations hereunder.  In the event of any such sale by a Buyer of a
participating interest, such Buyer's obligations under this Agreement shall
remain unchanged, such Buyer shall remain solely responsible for the performance
thereof, and NSFC and the Administrative Agent shall continue to deal solely and
directly with such Buyer in connection with such Buyer's rights and obligations
under this Agreement.  Subject to the provisions of subsection (b) above, each
Buyer shall be entitled to obtain (on behalf of its participants) the benefits
of Section 8.02 with respect to all participations in the rights and obligations
of the Buyer hereunder.  In no event shall a Buyer that sells a participation
hereunder agree with the purchaser of such participation to take or refrain from
taking any action hereunder or under any of the other Program Documents, except
that such Buyer may agree with the purchaser of a participation that it will
not, without the consent of such purchaser, agree to any amendment or waiver
which, as to the interest of such purchaser, would (i) reduce the Aggregate Net
Investment or Yield Rate applicable to a Tranche or any Fees in which such
purchaser has an interest or change, directly or indirectly, the definition of
Buyers' Interest and Transferor's Interest or the allocation between the Buyers'
Interest and the Transferor's Interest set forth in Sections 2.05 and 2.06 or
otherwise change the allocations and priorities set forth in Sections 2.05 and
2.06, or (ii) extend the Expiry Date.

          8.09.  Financial Accommodation.  The parties hereto acknowledge that
this Agreement is, and is intended to be, a contract to extend financial
accommodations to NSFC within the meaning of Section 365(e)(2)(B) of the Federal
Bankruptcy Code (11 U.S.C. (S) 362(e)(2)(B))(or any amended or successor
provision thereof or any amended or successor code).

          8.10.  No Bankruptcy Petition Against NSFC.  Each Agent, Buyer and
Issuing Bank and the Reserve L/C Bank hereby covenants and agrees with each
other (and not for the benefit of NSFC) that, prior to the date which is one
year and one day after the Final Payment Date, unless the Required Buyers
otherwise agree, it will not institute against, or join any other Person in
instituting against, NSFC any bankruptcy, reorganization, arrangement,
insolvency or liquidation proceeding or other similar proceeding under the laws
of the United States or any State of the United States.

          8.11.  Termination.  This Agreement shall terminate on the Final
Payment Date; provided that the provisions of Sections 7.06, 8.01, 8.02, 8.03,
8.09 and 8.10 shall survive termination of this Agreement.
 
                                       81
<PAGE>
 
          8.12.  Severability.  The provisions of this Agreement are intended to
be severable.  If any provision of this Agreement shall be held invalid or
unenforceable in whole or in part in any jurisdiction, such provision shall, as
to such jurisdiction, be ineffective to the extent of such invalidity or
unenforceability without in any manner affecting the validity or enforceability
of such provision in any other jurisdiction or the remaining provisions hereof
in any jurisdiction.

          8.13.  Governing Law.  THIS AGREEMENT SHALL BE GOVERNED BY AND
CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK.  Each of NSFC
and the Servicer hereby submits to the non-exclusive jurisdiction of the United
States District Court for the Southern District of New York and of any New York
State court sitting in New York City for purposes of all legal proceedings
arising out of or relating to this Agreement or the transactions contemplated
hereby.  Each of NSFC and the Servicer waives, to the fullest extent permitted
by law, any objection which it may now or hereafter have to the laying of the
venue of any such proceeding brought in such a court and any claim that any such
proceeding brought in such a court has been brought in an inconvenient forum.

          8.14.  WAIVER OF JURY TRIAL.  EACH OF THE PARTIES HERETO IRREVOCABLY
WAIVES ANY AND ALL RIGHT TO TRIAL BY JURY IN ANY LEGAL PROCEEDING ARISING OUT OF
OR RELATING TO THIS AGREEMENT OR THE TRANSACTIONS CONTEMPLATED HEREBY.

          8.15.  Prior Understandings.  This Agreement and the other Program
Documents set forth the entire understanding of the parties relating to the
subject matter hereof, and supersedes all prior understandings and agreements,
whether written or oral.

          8.16.  Counterparts.  This Agreement may be executed in any number of
counterparts and by the different parties hereto on separate counterparts each
of which, when so executed, shall be deemed an original, but all such
counterparts shall constitute but one and the same instrument.

          8.17.  Termination of Existing Credit Facilities.  Each party hereto
agrees that effective as of the Closing Date the Existing Credit Facilities
shall terminate (and hereby waive any requirement of separate notice of such
termination); provided that expense and indemnity provision (but not letter of
credit reimbursement obligations) contained in the Existing Credit Facilities
shall survive in respect of periods prior to the Closing Date; provided further
that the reimbursement agreement in respect of the $15,449,863 letter of credit
issued by the Long-Term Credit
 
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<PAGE>
 
Bank of Japan, Ltd. to Pittsburgh National Bank shall survive in respect of such
letter of credit.  The Banks party hereto expressly instruct Morgan Guaranty to
take all actions necessary to release the security interests under the Existing
Credit Facilities effective as of the Closing Date.

     SECTION 8.18.  Limitation of Liability.  Notwithstanding anything herein to
the contrary, NSFC's obligation with respect to all amounts payable hereunder
(including without limitation any obligation to reimburse the Reserve L/C Bank
in respect of drawings under the Reserve Letter of Credit) which are not payable
pursuant to the Buyer's Certificates shall be nonrecourse except as to (i)
amounts payable with respect thereto as expressly provided in Sections 2.05 and
2.06 and (ii) amounts payable to NSFC under Sections 2.05(b) and (c)(B) and
2.06(b) and shall not constitute a claim against NSFC to the extent that amounts
payable with respect thereto as expressly provided in Sections 2.05(b) and
(c)(B) and 2.06(b) and amounts payable to NSFC under such Sections are
insufficient.

     SECTION 8.19.  Notices to Standard & Poor's.  Notices of all amendments to
the Program Documents shall be provided by NSFC to S&P.

                                       83
<PAGE>
 
          IN WITNESS WHEREOF, the parties hereto, by their duly authorized
signatories, have executed and delivered this Agreement as of the date first
above written.


                                              NATIONAL STEEL FUNDING CORPORATION
                                 
                                 
                                 
                                              By:___________________________
                                                 Name:  James L. Wainscott
                                                 Title:  Treasurer
                                            
                                                 4100 Edison Lakes Parkway
                                                 Suite 333A
                                                 Mishawaka, Indiana 46545
                                            
                                                 Telephone: (219) 271-7931
                                                 Fax: (219) 273-7477
                                                 Attention: Glenn Pulianas
                                            
                                            
                                            
                                              NATIONAL STEEL CORPORATION,
                                                as Servicer
                                            
                                            
                                            
                                              By:___________________________
                                                 Name: James L. Wainscott
                                                 Title: Treasurer and Assistant
                                                         Secretary
                                            
                                                 4100 Edison Lakes Parkway
                                                 Mishawaka, Indiana  46545
                                            
                                                 Telephone:(219) 273-7415
                                                 Fax: (219) 273-7478
                                                 Attention: James L. Wainscott

                                      84
<PAGE>
 
                                            MORGAN GUARANTY TRUST COMPANY
                                               OF NEW YORK, as Administrative
                                               Agent
                                       
                                       
                                            By:___________________________
                                               Name: Laura Reim
                                               Title: Vice President
                                       
                                               60 Wall Street
                                               New York, New York  10260
                                       
                                               Telephone: (212) 648-6793
                                               Fax: (212) 648-5336
                                               Attention: Laura Reim
                                       
                                       
                                       
                                            J.P. MORGAN DELAWARE, as Structuring
                                              and Collateral Agent and Reserve
                                              Letter of Credit Issuing Bank
                                       
                                       
                                       
                                            By:___________________________
                                               Name: Robert J. Henchey
                                               Title: Vice President
                                       
                                               902 Market Street
                                               Wilmington, Delaware 19801
                                       
                                               Telephone: (302) 651-2402
                                               Fax: (302) 652-7416
                                               Attention: Robert J. Henchey
                                       
                                       
                                       
                                            MORGAN GUARANTY TRUST COMPANY
                                              OF NEW YORK, as Letter of
                                              Credit Issuing Bank
                                       
                                       
                                       
                                            By:___________________________
                                               Name:
                                               Title:

                                       85
<PAGE>
 
                                            THE FUJI BANK AND TRUST COMPANY, as
                                              Letter of Credit Issuing Bank
                                    
                                    
                                    
                                            By:___________________________
                                               Name:
                                               Title:
                                    
                                    
                                            THE MITSUBISHI BANK, LTD., as Letter
                                               of Credit Issuing Bank
                                       
                                   
                                            By:___________________________
                                               Name:
                                               Title:
                                   
                                   
                                            COMERICA BANK, as Letter of
                                              Credit Issuing Bank
                                     
                                   
                                            By:___________________________
                                               Name:
                                               Title:
                                     
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