MARTEN TRANSPORT LTD
10-Q, 1998-11-12
TRUCKING (NO LOCAL)
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<PAGE>


                          SECURITIES AND EXCHANGE COMMISSION

                                WASHINGTON D.C.  20549

                                      FORM 10-Q

                      Quarterly Report Under Section 13 or 15(d)
                        of the Securities Exchange Act of 1934

                       For the quarter ended September 30, 1998

                            Commission File Number 0-15010


                                MARTEN TRANSPORT, LTD.
                (Exact name of registrant as specified in its charter)

                 Delaware                        39-1140809
                 --------                        ----------
          (State of incorporation)             (I.R.S. Employer 
                                             Identification No.)

                     129 Marten Street, Mondovi, Wisconsin 54755
                     -------------------------------------------
                       (Address of principal executive offices)

                                     715-926-4216
                                     ------------
                           (Registrant's telephone number)

Indicate by check mark whether the registrant (1) has filed all reports required
to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during
the preceding 12 months (or for such shorter period that the registrant was
required to file such reports), and (2) has been subject to such filing
requirements for the past 90 days.
Yes  X       No      
   -----       ----- 

The number of shares outstanding of the registrant's Common Stock, par value
$.01 per share, was 4,477,645 as of November 10, 1998.

<PAGE>

                            PART I:  FINANCIAL INFORMATION

Item 1.  Financial Statements.

                                MARTEN TRANSPORT, LTD.
                               CONDENSED BALANCE SHEETS
                       (In thousands, except share information)
                                                         
<TABLE>
<CAPTION>
                                                    September 30,  December 31,
                                                        1998           1997    
                                                    -------------  -----------
                                                     (UNAUDITED)
<S>                                                 <C>            <C>
ASSETS
  Current assets:
     Cash and cash equivalents . . . . . . . . .         $  2,158     $  2,052
     Receivables . . . . . . . . . . . . . . . .           21,014       18,872
     Prepaid expenses. . . . . . . . . . . . . .            6,120        6,921
     Deferred income taxes . . . . . . . . . . .            4,217        4,170
                                                    -------------  -----------
          Total current assets . . . . . . . . .           33,509       32,015
                                                    -------------  -----------
  Property and equipment:
     Revenue equipment, building and land,
       office equipment, and other . . . . . . .          164,822      155,051
     Accumulated depreciation  . . . . . . . . .          (45,849)     (42,375)
                                                    -------------  -----------
          Net property and equipment . . . . . .          118,973      112,676
  Other assets . . . . . . . . . . . . . . . . .              746          575
                                                    -------------  -----------
               TOTAL ASSETS. . . . . . . . . . .         $153,228     $145,266
                                                    -------------  -----------
                                                    -------------  -----------

LIABILITIES AND SHAREHOLDERS' INVESTMENT
  Current liabilities:
     Accounts payable and accrued liabilities. .         $ 13,307     $ 13,045
     Insurance and claims accruals . . . . . . .           11,079       11,638
     Current maturities of long-term debt. . . .           22,823       21,628
                                                    -------------  -----------
          Total current liabilities. . . . . . .           47,209       46,311

  Long-term debt, less current maturities  . . .           29,829       30,663
  Deferred income taxes. . . . . . . . . . . . .           24,538       22,588
                                                    -------------  -----------
          Total liabilities. . . . . . . . . . .          101,576       99,562
                                                    -------------  -----------
  Shareholders' investment:
     Common stock, $.01 par value per 
       share, 10,000,000 shares authorized,
       4,477,645 shares issued 
       and outstanding . . . . . . . . . . . . .               45           45
     Additional paid-in capital. . . . . . . . .            9,934        9,934
     Retained earnings . . . . . . . . . . . . .           41,673       35,725
                                                    -------------  -----------
          Total shareholders' investment . . . .           51,652       45,704
                                                    -------------  -----------
               TOTAL LIABILITIES AND
               SHAREHOLDERS' INVESTMENT. . . . .         $153,228     $145,266
                                                    -------------  -----------
                                                    -------------  -----------
</TABLE>

The accompanying notes are an integral part of these balance sheets.


<PAGE>

                                MARTEN TRANSPORT, LTD.
                            CONDENSED STATEMENTS OF INCOME
                       (In thousands, except share information)
                                     (Unaudited)

<TABLE>
<CAPTION>
                                                              Three Months                  Nine Months
                                                           Ended September 30,            Ended September 30,
                                                              1998       1997             1998          1997
                                                              ----       ----             ----          ----
<S>                                                       <C>          <C>             <C>            <C>
OPERATING REVENUE. . . . . . . . . . . . . . . . . . .    $50,126      $44,676         $144,613       $127,046
                                                          -------      -------         --------       --------

OPERATING EXPENSES:
  Salaries, wages and benefits . . . . . . . . . . . .     14,803       13,086           43,763         38,294
  Purchased transportation . . . . . . . . . . . . . .     12,297        9,746           34,845         25,765
  Fuel and fuel taxes. . . . . . . . . . . . . . . . .      5,986        6,385           17,530         19,219
  Supplies and maintenance . . . . . . . . . . . . . .      3,984        3,593           11,561         10,681
  Depreciation . . . . . . . . . . . . . . . . . . . .      4,653        4,338           13,848         12,818
  Operating taxes and licenses . . . . . . . . . . . .        874          928            2,730          2,585
  Insurance and claims . . . . . . . . . . . . . . . .        996          779            2,816          2,746
  Communications and utilities . . . . . . . . . . . .        659          547            1,842          1,589
  Gain on disposition of revenue 
   equipment . . . . . . . . . . . . . . . . . . . . .       (449)         (54)            (776)          (163)
  Other. . . . . . . . . . . . . . . . . . . . . . . .      1,210        1,155            3,704          3,462
                                                          -------      -------         --------       --------
      Total operating expenses . . . . . . . . . . . .     45,013       40,503          131,863        116,996
                                                          -------      -------         --------       --------

OPERATING INCOME . . . . . . . . . . . . . . . . . . .      5,113        4,173           12,750         10,050

OTHER EXPENSES (INCOME):
  Interest expense . . . . . . . . . . . . . . . . . .      1,014        1,039            3,008          3,118
  Interest income and other. . . . . . . . . . . . . .        (69)         (72)            (172)          (133)
                                                          -------      -------         --------       --------
INCOME BEFORE INCOME TAXES . . . . . . . . . . . . . .      4,168        3,206            9,914          7,065

PROVISION FOR INCOME TAXES . . . . . . . . . . . . . .      1,667        1,282            3,966          2,826
                                                          -------      -------         --------       --------
NET INCOME . . . . . . . . . . . . . . . . . . . . . .    $ 2,501      $ 1,924         $  5,948       $  4,239
                                                          -------      -------         --------       --------
                                                          -------      -------         --------       --------
BASIC EARNINGS PER COMMON SHARE. . . . . . . . . . . .    $  0.56      $  0.43         $   1.33       $   0.95
                                                          -------      -------         --------       --------
                                                          -------      -------         --------       --------
DILUTED EARNINGS PER COMMON SHARE. . . . . . . . . . .    $  0.55      $  0.43         $   1.31       $   0.95
                                                          -------      -------         --------       --------
                                                          -------      -------         --------       --------
</TABLE>

The accompanying notes are an integral part of these statements.

<PAGE>

                                MARTEN TRANSPORT, LTD.
                          CONDENSED STATEMENTS OF CASH FLOWS
                                    (In thousands)
                                     (Unaudited)

<TABLE>
<CAPTION>
                                                                Nine Months
                                                            Ended September 30,
                                                             1998         1997   
                                                             ----         ----
<S>                                                       <C>           <C>
CASH FLOWS FROM OPERATING ACTIVITIES:
  Operations:
    Net income . . . . . . . . . . . . . . . . . . . .    $  5,948      $  4,239
    Adjustments to reconcile net 
      income to net cash flows
      from operating activities:
         Depreciation  . . . . . . . . . . . . . . . .      13,848        12,818
         Gain on disposition of revenue
            equipment. . . . . . . . . . . . . . . . .        (776)         (163)
         Deferred tax provision. . . . . . . . . . . .       1,903           444
         Changes in other current
            operating items. . . . . . . . . . . . . .      (1,638)         (863)
                                                          --------      --------
             Net cash provided by
               operating activities. . . . . . . . . .      19,285        16,475
                                                          --------      --------

CASH FLOWS FROM INVESTING ACTIVITIES:
 Property additions:
    Revenue equipment, net . . . . . . . . . . . . . .     (18,996)      (15,504)
    Building and land, office equipment, 
      and other additions, net . . . . . . . . . . . .        (373)         (287)
 Net change in other assets. . . . . . . . . . . . . .        (171)         (605)
                                                          --------      --------
             Net cash used for investing
               activities. . . . . . . . . . . . . . .     (19,540)      (16,396) 
                                                          --------      --------
CASH FLOWS FROM FINANCING ACTIVITIES:
  Issuance of common stock . . . . . . . . . . . . . .        -               15
  Long-term borrowings . . . . . . . . . . . . . . . .      19,939        17,244
  Repayment of long-term borrowings. . . . . . . . . .     (19,578)      (17,933)
                                                          --------      --------
             Net cash provided by (used for) 
               financing activities. . . . . . . . . .         361          (674) 
                                                          --------      --------

INCREASE (DECREASE) IN CASH AND 
  CASH EQUIVALENTS . . . . . . . . . . . . . . . . . .         106          (595)

CASH AND CASH EQUIVALENTS:
 Beginning of period. . . . . . . . . . . . . . . . .        2,052         3,028
                                                          --------      --------
 End of period. . . . . . . . . . . . . . . . . . . .     $  2,158      $  2,433
                                                          --------      --------
                                                          --------      --------

CASH PAID (RECEIVED) FOR:
 Interest . . . . . . . . . . . . . . . . . . . . . .     $  3,049      $  3,117
                                                          --------      --------
                                                          --------      --------
 Income taxes . . . . . . . . . . . . . . . . . . . .     $  2,045      $   (135)
                                                          --------      --------
                                                          --------      --------
</TABLE>

The accompanying notes are an integral part of these statements.

<PAGE>

                            NOTES TO FINANCIAL STATEMENTS
                                     (Unaudited)


(1)  Financial Statements

The accompanying unaudited condensed financial statements have been prepared in
accordance with generally accepted accounting principles for interim financial
statements, and therefore do not include all information and disclosures
required by generally accepted accounting principles for complete financial
statements.  In the opinion of management, such statements reflect all
adjustments (consisting of normal recurring adjustments) considered necessary to
fairly present our financial condition, results of operations and cash flows for
the interim periods presented.  The results of operations for any interim period
do not necessarily indicate the results for the full year.  The unaudited
interim financial statements should be read with reference to the financial
statements and notes to financial statements in our 1997 Annual Report on Form
10-K.

(2)  Earnings Per Common Share

Basic and diluted earnings per common share were computed as follows:

<TABLE>
<CAPTION>
                                                               Three Months                   Nine Months
                                                            Ended September 30,            Ended September 30,
     (In thousands, except per-share amounts)               1998        1997(a)           1998          1997(a)
                                                           ------      --------          ------        --------
     <S>                                                   <C>         <C>               <C>           <C>
     Numerator:
       Net income . . . . . . . . . . . . . . . . . . . .  $2,501       $1,924           $5,948         $4,239
                                                           ------       ------           ------         ------ 
     Denominator:
       Basic earnings per common share - 
            weighted-average shares . . . . . . . . . . .   4,478        4,440            4,478          4,439
       Effect of dilutive stock options . . . . . . . . .      46           29               54             22
                                                           ------       ------           ------         ------ 
       Diluted earnings per common share -
            weighted-average shares and 
            assumed conversions . . . . . . . . . . . . .   4,524        4,469            4,532          4,461
                                                           ------       ------           ------         ------ 
                                                           ------       ------           ------         ------ 
     Basic earnings per common share. . . . . . . . . . .  $ 0.56       $ 0.43           $ 1.33         $ 0.95
                                                           ------       ------           ------         ------ 
                                                           ------       ------           ------         ------ 
     Diluted earnings per common share. . . . . . . . . .  $ 0.55       $ 0.43           $ 1.31         $ 0.95
                                                           ------       ------           ------         ------ 
                                                           ------       ------           ------         ------ 
</TABLE>

The following options were outstanding, but were not included in the calculation
of diluted earnings per share because their exercise prices were greater than
the average market price of the common shares and, therefore, including the
options in the denominator would be antidilutive, or decrease the number of
weighted-average shares.

<TABLE>
<CAPTION>
                                                              Three Months                     Nine Months
                                                           Ended September 30,             Ended September 30,
                                                            1998        1997(a)           1998          1997(a)
                                                           ------      --------          ------        --------
     <S>                                                   <C>         <C>               <C>           <C>     
     Number of option shares . . . . . . . . . . . . . .   11,250       217,500          11,250         217,500 
     Weighted-average exercise price . . . . . . . . . .  $ 17.25      $  13.57         $ 17.25        $  13.57 
                                                          -------      --------         -------        --------
                                                          -------      --------         -------        --------
</TABLE>

     (a)  1997 information has been retroactively adjusted to reflect a 
          three-for-two stock split effective for shareholders of record as of
          December 15, 1997.

<PAGE>

(3)  Accounting for Derivative Instruments and Hedging Activities

Statement of Financial Accounting Standards No. 133, "Accounting for 
Derivative Instruments and Hedging Activities" (Statement No. 133) was issued 
in June 1998, and is effective in our first quarter of 2000.  Statement No. 
133 requires companies to record the fair value of derivatives as either 
assets or liabilities on the balance sheet.  The accounting for gains or 
losses from changes in the fair value of derivatives depends on the intended 
use of the derivatives and whether the criteria for hedge accounting have 
been satisfied. We have entered into commodity swap agreements to partially 
hedge Marten's exposure to diesel fuel price fluctuations.  Statement No. 133 
is expected to have minimal impact on Marten's results of operations and 
financial position because we do not hold significant derivative instruments as 
of September 30, 1998.

<PAGE>

Item 2.  Management's Discussion and Analysis of Financial Condition and 
Results of Operations.

RESULTS OF OPERATIONS
Operating revenue for the third quarter of 1998 increased 12.2 percent over the
same period of 1997.  Operating revenue for the first nine months of 1998
increased 13.8 percent over the same period last year.  The primary reason for
these increases was the transportation of more freight associated with an
increase in our fleet, improved equipment utilization, and stronger customer
demand.  Stronger customer demand also caused average freight rates to increase
in 1998.  Our contracts with customers require fuel surcharges and rebates based
on significant fluctuations in the price of diesel fuel.  Operating revenue in
the first nine months of 1998 was reduced by fuel rebates of $265,000 due to a
decrease in the price of diesel fuel.  Operating revenue was increased by fuel
surcharges of $1,100,000 during the same period of 1997 due to an increase in
the price of diesel fuel.  We expect operating revenue for the remainder of 1998
to exceed 1997 levels given planned revenue equipment additions.

Operating expenses for the third quarter of 1998 were 89.8 percent of operating
revenue, compared with 90.7 percent for the third quarter of 1997.  This ratio
for the first nine months of 1998 was 91.2 percent, compared with 92.1 percent
for the same period of 1997.  These improved ratios reflect more efficient
utilization of our revenue equipment.  The transportation of additional freight
and expansion of our fleet caused most of the expense categories to increase in
1998.  Purchased transportation expense significantly increased in 1998 due to a
continued increase in the number of independent contractor-owned vehicles in our
fleet.  Our use of independent contractor-owned vehicles reduced the following
expenses relative to revenue since the independent contractors assume these
expenses:  salaries, wages and benefits expense, fuel and fuel taxes expense,
and supplies and maintenance expense.  A decrease in the price of diesel fuel in
1998 caused an additional decrease in our fuel and fuel taxes expense. 
Insurance and claims expense in 1998 has been consistent with 1997 levels due to
continued favorable accident experience.  We expect operating expenses as a
percent of revenue for the remainder of 1998 to remain at current levels.

Interest expense for the three-month and nine-month periods ended September 30,
1998, decreased from the same periods last year.  This improvement was caused by
a decrease in our average long-term debt from 1997 to 1998.  We expect interest
expense as a percent of revenue to remain at current levels.

We recorded net income of $2,501,000, or 55 cents per diluted share, for the
third quarter of 1998.  This compares with net income of $1,924,000, or 43 cents
per diluted share, for the 1997 third quarter.  Net income for the first nine
months of 1998 was $5,948,000, or $1.31 per diluted share, compared with net
income of $4,239,000, or 95 cents per diluted share, for the same period last
year.  Earnings per share for 1997 have been retroactively adjusted to reflect a
three-for-two stock split effective for shareholders of record as of December
15, 1997.  Continued increases in revenue, improved equipment utilization, and
expense control led to our improved results of operations.

In 1998, the Financial Accounting Standards Board issued Statement No. 133,
"Accounting for Derivative Instruments and Hedging Activities," as discussed in
Note 3 to the financial statements.  This statement, effective in our first
quarter of 2000, is expected to have minimal impact on our results of operations
and financial position because we do not have significant derivative instruments
as of September 30, 1998.

<PAGE>

CAPITAL RESOURCES AND LIQUIDITY
Net cash flows from operations provided $19,285,000 during the first nine months
of 1998.  Net cash of $19,540,000 was used to invest in property and equipment,
while financing activities provided $361,000 during this period.  We continued
to update and expand our fleet in 1998 and 1997 by investing in new, more
efficient revenue equipment.  We are committed to purchase approximately $5
million of new revenue equipment, net of trade-in allowances, during the fourth
quarter of 1998.  We have paid, and expect to pay, for these purchases using
cash flow from operations and long-term debt.

Cash generated from operations historically has met Marten's working capital
needs despite a working capital deficit.  The working capital deficit has been
caused by current maturities of long-term debt associated with additions to our
fleet.  Subsequent to September 30, 1998, a substantial portion of these current
maturities has been replaced with non-current maturities associated with the
change in our long-term debt noted below.  Our operating profits, short turnover
in accounts receivable and cash management practices allow us to effectively
meet our working capital requirements.  Short-term borrowings have not been and
are not expected to be used to meet working capital needs.  We believe our
liquidity will adequately satisfy expected near-term operating requirements.

In October 1998, we entered into agreements for $25 million in Series A Senior
Unsecured Notes and a $40 million unsecured committed credit facility.  The
Senior Notes bear fixed interest at 6.78 percent and mature in October 2008. 
The credit facility bears variable interest based on the London Interbank
Offered rate and matures in October 2001.  The proceeds of these fundings have
been used to retire a substantial portion of existing long-term debt, and will
be used to invest in property and equipment and satisfy working capital
requirements.

IMPACT OF YEAR 2000
Computer programs have historically been written to abbreviate dates by using
two digits instead of four digits to identify a particular year.  The so-called
"year 2000 problem" or "millennium bug" is the inability of computer software or
hardware to recognize or properly process dates ending in "00" and dates after
the year 2000.  Significant attention is being focused as the year 2000
approaches on updating or replacing such software and hardware in order to avoid
system failures, miscalculations or business interruptions that might otherwise
result.  Marten is taking the steps we believe are necessary to insure that this
potential problem does not adversely affect our operating results in the future.
We are continuing our as-yet incomplete assessment of the impact of the year
2000 problem.

Marten has reviewed its internal information systems and believes that the costs
and efforts to address the year 2000 problem will not be material to our
business, financial condition or results of operations, and may be resolved
through replacements and upgrades to our software or hardware.  The year 2000
problem may, however, adversely impact Marten by affecting the business and
operations of parties with which we transact business, although we are unable to
precisely determine the likelihood or potential impact of any such event.  There
can be no assurance that Marten will be able to effectively address year 2000
issues in a cost-efficient manner and without interruption to our business, or
that year 2000 problems encountered by our suppliers, customers or other parties
will not have a material impact on our business, financial condition and results
of operations.

Marten's state of readiness for the year 2000, our estimated costs associated
with year 2000 issues, the risks we face associated with year 2000 issues and
our year 2000 contingency plans are summarized below.

<PAGE>

STATE OF READINESS.

Internally, we have implemented a three-phase process to assess year 2000
compliance of our systems and remediate any material non-compliance.  The phases
are (1) to identify and test our material computer software and hardware in
order to determine whether they are year 2000 compliant; (2) to correct or
replace those software or hardware systems in which we determine there is a
material problem with year 2000 compliance; and (3) to internally test the
corrected or upgraded systems in order to determine whether they are year 2000
compliant.  We have completed all three phases with respect to most of our
material internally-written and purchased information technology ("IT") systems
and non-IT systems and believe the systems are year 2000 compliant.  However,
Marten also utilizes a sales and marketing system, an insurance claims
management system and a maintenance tracking system, all of which are in the
second phase.  We expect these three systems will be through phase three and
achieve year 2000 compliance in 1999.

Externally, we have implemented a three-phase process to assess year 2000
compliance of the systems of our vendors and third party servicers, and
remediate any material non-compliance.  The phases are (1) to identify the
vendors and other third parties with whom we transact business and determine
whether they are significant to our business ("core" parties); (2) to contact
the vendors and other third parties with whom we do business by, among other
methods, sending them letters and questionnaires designed to solicit information
relating to the year 2000 problem; and (3) to evaluate the responses received
from the vendors and other third parties.  The questionnaire we are using asks
vendors and other third parties such questions as (i) whether they have a
documented year 2000 compliance plan, (ii) whether they are aware of any year
2000 readiness issues that could affect Marten, (iii) whether, if such an issue
exists, they have plans in place to ensure compliance, (iv) what their target
date is for year 2000 compliance and (v) whether they have any contingency
plans.  We have substantially completed all three phases with respect to core
parties.  We plan to follow up during 1999 with our core vendors and third
parties with whom we do business, and update our information regarding the year
2000 problem.  We are in the first and second phases with respect to non-core
parties, and anticipate completing all phases with respect to non-core parties
before the end of 1998.

COSTS ASSOCIATED WITH YEAR 2000 ISSUES.

We estimate that the future costs associated with implementing all phases of our
year 2000 assessment and resolving any year 2000 problems will be between
$100,000 and $200,000.  This estimated range includes expenditures for both
repairs and upgrades.  We believe that these costs, assuming this estimate is
accurate, would not have a material effect on our business, financial condition
and results of operations.  We estimate our costs to date associated with year
2000 issues to be less than $25,000.  We anticipate that cash flow from
operations will be used to pay the costs associated with our year 2000 problem. 
All year 2000 costs are expensed as incurred.

RISKS ASSOCIATED WITH YEAR 2000 ISSUES.

We are unaware of any material risk to Marten associated with year 2000 issues
at the present time.  We believe that the reasonably likely worst case year 2000
scenario is a decrease in the efficiency with which we procure and deliver
loads, and a decrease in the efficiency with which we receive payment for
services rendered.  A decrease in efficiency, however, would not necessarily
result in a decrease in business.  We expect that load procurement, load
delivery and billing all could be achieved through alternative methods within a
relatively short period of time.  Any disruption, however, could result in some
lost revenue.

<PAGE>

We face the additional risk of experiencing an increase in claims and litigation
relating to the year 2000 problem because, among other reasons, there is no
uniform definition of year 2000 "compliance" and because all vendor and third
party situations cannot be anticipated, particularly those involving third party
products.  Such claims, if successful, could have a material adverse effect on
future results.  Moreover, the costs of defending Marten against such claims,
even if ultimately resolved in our favor, could have a material adverse effect
on future results.

CONTINGENCY PLANS.

We have not yet developed specific contingency plans for the millennium bug
because our assessment of year 2000 issues is incomplete.  We generally expect
that our contingency plans will be to identify and have available to us
alternate vendors and service providers to decrease the impact on Marten if one
or more of the core parties with whom we do business suffers a significant year
2000 problem.  We expect to have Marten's contingency plans complete before the
end of 1998.

FORWARD-LOOKING INFORMATION
This Quarterly Report on Form 10-Q contains certain forward-looking statements. 
Any statements in this report that are not statements of historical fact may be
considered to be forward-looking statements.  Written words such as "may,"
"will," "expect," "believe," "anticipate," "estimate" or "continue," or other
variations of these or similar words, identify forward-looking statements. 
These statements by their nature involve substantial risks and uncertainties,
and actual results may differ materially, depending on a variety of factors.


Item 3.  Quantitative and Qualitative Disclosures About Market Risk.

         Not applicable.

<PAGE>

                             PART II.  OTHER INFORMATION


ITEM 1.   Legal Proceedings.

          There are currently no material pending legal, governmental,
          administrative or other proceedings to which we are a party or of
          which any of our property is subject, and which are unreserved.

ITEM 2.   Changes in Securities and Use of Proceeds.

          None

ITEM 3.   Defaults Upon Senior Securities.

          None

ITEM 4.   Submission of Matters to a Vote of Security Holders.
     
          None

ITEM 5.   Other Information.

          None

ITEM 6.   Exhibits and Reports on Form 8-K.

          a)  Exhibits

          Item No.  Item                               Method of Filing
          --------  ----                               ----------------

          10.12     Note Purchase and Private
                    Shelf Agreement dated
                    October 30, 1998, between
                    the Company and The Prudential
                    Insurance Company of
                    America . . . . . . . . . . . . . Filed with this report
                                                            electronically.

          10.13     Credit Agreement dated
                    October 30, 1998, between
                    the Company and U.S. Bank
                    National Association . . . . . . . Filed with this report
                                                            electronically.

          27.1      Financial Data
                    Schedule . . . . . . . . . . . . . Filed with this report
                                                            electronically.

     b)  No reports on Form 8-K have been filed during the quarter 
         ended September 30, 1998.

<PAGE>

                                      SIGNATURE


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 thereto duly authorized.

                                        MARTEN TRANSPORT, LTD.
                                             (Registrant)

Dated:  November 12, 1998          By:        /s/ Darrell D. Rubel       
                                        ---------------------------------
                                        Darrell D. Rubel
                                        Executive Vice President and Treasurer
                                        (Chief Financial Officer)

<PAGE>

                                MARTEN TRANSPORT, LTD.

                          EXHIBIT INDEX TO QUARTERLY REPORT
                                     ON FORM 10-Q
                       For the Quarter Ended September 30, 1998


Item No.  Item                                    Method of Filing
- --------  ----                                    ----------------

10.12     Note Purchase and Private
          Shelf Agreement dated
          October 30, 1998, between
          the Company and The Prudential
          Insurance Company of
          America . . . . . . . . . . . . . . . .Filed with this report
                                                       electronically.

10.13     Credit Agreement dated
          October 30, 1998, between
          the Company and U.S. Bank
          National Association. . . . . . . . . .Filed with this report
                                                       electronically.

27.1      Financial Data
          Schedule. . . . . . . . . . . . . . . .Filed with this report
                                                       electronically.

<PAGE>



                               MARTEN TRANSPORT, LTD.
                                 129 MARTEN STREET
                             MONDOVI, WISCONSIN  54755


                                                         As of October 30, 1998


The Prudential Insurance Company
   of America ("PRUDENTIAL")
Each Prudential Affiliate (as hereinafter
defined) which becomes bound by certain
provisions of this Agreement as hereinafter
provided (together with Prudential, the "PURCHASERS")

c/o Prudential Capital Group
Two Prudential Plaza
Suite 5600
Chicago, Illinois  60601

Ladies and Gentlemen:

                 The undersigned, MARTEN TRANSPORT, LTD., a Delaware 
corporation (herein called the "COMPANY"), hereby agrees with you as set 
forth below.  Reference is made to paragraph 10 hereof for definitions of 
capitalized terms used herein and not otherwise defined herein.

     1.          AUTHORIZATION OF ISSUE OF NOTES.

     1A.         AUTHORIZATION OF ISSUE OF SERIES A NOTES.  The Company will 
authorize the issue of its senior promissory notes (the "SERIES A NOTES") in 
the aggregate principal amount of $25,000,000, to be dated the date of issue 
thereof, to mature October 30, 2008, to bear interest on the unpaid balance 
thereof from the date thereof until the principal thereof shall have become 
due and payable at the rate of 6.78% per annum and on overdue principal, 
Yield-Maintenance Amount and interest at the rate specified therein, and to 
be substantially in the form of EXHIBIT A-1 attached hereto.  The terms 
"SERIES A NOTE" and "SERIES A NOTES" as used herein shall include each Series 
A Note delivered pursuant to any provision of this Agreement and each Series 
A Note delivered in substitution or exchange for any such Series A Note 
pursuant to any such provision.

     1B.         AUTHORIZATION OF ISSUE OF SHELF NOTES.  The Company will
authorize the issue of its additional senior promissory notes (the "SHELF
NOTES") in the aggregate principal amount of $15,000,000, to be dated the date
of issue thereof, to mature, in the case of each Shelf 

                                       1
<PAGE>

Note so issued, no more than 15 years after the date of original issuance 
thereof, to have an average life, in the case of each Shelf Note so issued, 
of no more than 10 years after the date of original issuance thereof, to bear 
interest on the unpaid balance thereof from the date thereof at the rate per 
annum, and to have such other particular terms, as shall be set forth, in the 
case of each Shelf Note so issued, in the Confirmation of Acceptance with 
respect to such Shelf Note delivered pursuant to paragraph 2B(5), and to be 
substantially in the form of EXHIBIT A-2 attached hereto.  The terms "SHELF 
NOTE" and "SHELF NOTES" as used herein shall include each Shelf Note 
delivered pursuant to any provision of this Agreement and each Shelf Note 
delivered in substitution or exchange for any such Shelf Note pursuant to any 
such provision.  The terms "NOTE" and "NOTES" as used herein shall include 
each Series A Note and each Shelf Note delivered pursuant to any provision of 
this Agreement and each Note delivered in substitution or exchange for any 
such Note pursuant to any such provision.  Notes which have (i) the same 
final maturity, (ii) the same principal prepayment dates, (iii) the same 
principal prepayment amounts (as a percentage of the original principal 
amount of each Note), (iv) the same interest rate, (v) the same interest 
payment periods and (vi) the same date of issuance (which, in the case of a 
Note issued in exchange for another Note, shall be deemed for these purposes 
the date on which such Note's ultimate predecessor Note was issued), are 
herein called a "SERIES" of Notes.

     2.          PURCHASE AND SALE OF NOTES.

     2A.         PURCHASE AND SALE OF SERIES A NOTES.  The Company hereby 
agrees to sell to Prudential and, subject to the terms and conditions herein 
set forth, Prudential agrees to purchase from the Company $25,000,000 
aggregate principal amount of Series A Notes at 100% of such aggregate 
principal amount. On October 30, 1998 (herein called the "SERIES A CLOSING 
DAY"), the Company will deliver to Prudential at the offices of Prudential 
Capital Group, Two Prudential Plaza, Suite 5600, Chicago, Illinois 60601, one 
or more Series A Notes registered in its name, evidencing the aggregate 
principal amount of Series A Notes to be purchased by Prudential and in the 
denomination or denominations specified with respect to Prudential in the 
Purchaser Schedule attached hereto, against payment of the purchase price 
thereof by transfer of immediately available funds for credit to the 
account(s) designated by the Company pursuant to a disbursement direction 
letter in the form of EXHIBIT E attached hereto.

     2B.         PURCHASE AND SALE OF SHELF NOTES.

     2B(1).      FACILITY.  Prudential is willing to consider, in its sole 
discretion and within limits which may be authorized for purchase by 
Prudential from time to time, the purchase of Shelf Notes pursuant to this 
Agreement.  The willingness of Prudential to consider such purchase of Shelf 
Notes is herein called the "FACILITY".  At any time, the aggregate principal 
amount of Shelf Notes stated in paragraph 1B, MINUS the aggregate principal 
amount of Shelf Notes purchased and sold pursuant to this Agreement prior to 
such time, MINUS the aggregate principal amount of Accepted Notes (as 
hereinafter defined) which have not yet been purchased and sold hereunder 
prior to such time, is herein called the "AVAILABLE FACILITY AMOUNT" at such 
time.  NOTWITHSTANDING THE WILLINGNESS OF PRUDENTIAL TO CONSIDER PURCHASES OF 
SHELF NOTES, THIS AGREEMENT IS ENTERED INTO ON THE EXPRESS 

                                       2
<PAGE>


UNDERSTANDING THAT NEITHER PRUDENTIAL NOR ANY PRUDENTIAL AFFILIATE SHALL BE 
OBLIGATED TO MAKE OR ACCEPT OFFERS TO PURCHASE SHELF NOTES, OR TO QUOTE 
RATES, SPREADS OR OTHER TERMS WITH RESPECT TO SPECIFIC PURCHASES OF SHELF 
NOTES, AND THE FACILITY SHALL IN NO WAY BE CONSTRUED AS A COMMITMENT BY 
PRUDENTIAL OR ANY PRUDENTIAL AFFILIATE.

     2B(2).      ISSUANCE PERIOD.  Shelf Notes may be issued and sold 
pursuant to this Agreement until the earlier of (i) the third anniversary of 
the date of this Agreement (or if such anniversary date is not a Business 
Day, the Business Day next preceding such anniversary) and (ii) the thirtieth 
day after Prudential shall have given to the Company, or the Company shall 
have given to Prudential, a written notice stating that it elects to 
terminate the issuance and sale of Shelf Notes pursuant to this Agreement (or 
if such thirtieth day is not a Business Day, the Business Day next preceding 
such thirtieth day).  The period during which Shelf Notes may be issued and 
sold pursuant to this Agreement is herein called the "ISSUANCE PERIOD".

     2B(3).      REQUEST FOR PURCHASE.  The Company may from time to time 
during the Issuance Period make requests for purchases of Shelf Notes (each 
such request being herein called a "REQUEST FOR PURCHASE").  Each Request for 
Purchase shall be made to Prudential by telecopier or overnight delivery 
service, and shall (i) specify the aggregate principal amount of Shelf Notes 
covered thereby, which shall not be less than $5,000,000 and not be greater 
than the Available Facility Amount at the time such Request for Purchase is 
made, (ii) specify the principal amounts, final maturities, principal 
prepayment dates and amounts and interest payment periods (quarterly or 
semi-annual in arrears) of the Shelf Notes covered thereby, (iii) specify the 
use of proceeds of such Shelf Notes, (iv) specify the proposed day for the 
closing of the purchase and sale of such Shelf Notes, which shall be a 
Business Day during the Issuance Period not less than 10 days and not more 
than 25 days after the making of such Request for Purchase, (v) specify the 
number of the account and the name and address of the depository institution 
to which the purchase prices of such Shelf Notes are to be transferred on the 
Closing Day for such purchase and sale, (vi) certify that the representations 
and warranties contained in paragraph 8 are true on and as of the date of 
such Request for Purchase and that there exists on the date of such Request 
for Purchase no Event of Default or Default, (vii) specify whether the fee to 
be due pursuant to paragraph 2B(8)(ii) should be included in the rate quotes 
Prudential may provide pursuant to paragraph 2B(4) or will be paid separately 
by the Company on the Closing Day for such purchase and sale, and (viii) be 
substantially in the form of EXHIBIT B attached hereto. Each Request for 
Purchase shall be in writing and shall be deemed made when received by 
Prudential.

     2B(4).      RATE QUOTES.  Not later than five Business Days after the 
Company shall have given Prudential a Request for Purchase pursuant to 
paragraph 2B(3), Prudential may, but shall be under no obligation to, provide 
to the Company by telephone or telecopier, in each case between 9:30 A.M. and 
1:30 P.M. New York City local time (or such later time as Prudential may 
elect) interest rate quotes for the several principal amounts, maturities, 
principal prepayment schedules, and interest payment periods of Shelf Notes 
specified in such Request for Purchase.  Each quote shall represent the 
interest rate per annum payable on the outstanding principal balance 

                                       3
<PAGE>


of such Shelf Notes at which Prudential or a Prudential Affiliate would be 
willing to purchase such Shelf Notes at 100% of the principal amount thereof.

     2B(5).      ACCEPTANCE. Within the Acceptance Window, the Company may, 
subject to paragraph 2B(6), elect to accept such interest rate quotes as to 
not less than $5,000,000 aggregate principal amount of the Shelf Notes 
specified in the related Request for Purchase.  Such election shall be made 
by an Authorized Officer of the Company notifying Prudential by telephone or 
telecopier within the Acceptance Window that the Company elects to accept 
such interest rate quotes, specifying the Shelf Notes which will in the 
aggregate be not less than $5,000,000 in principal amount (each such Shelf 
Note being herein called an "ACCEPTED NOTE") as to which such acceptance 
(herein called an "ACCEPTANCE") relates.  The day the Company notifies 
Prudential of an Acceptance with respect to any Accepted Notes is herein 
called the "ACCEPTANCE DAY" for such Accepted Notes.  Any interest rate 
quotes as to which Prudential does not receive an Acceptance within the 
Acceptance Window shall expire, and no purchase or sale of Shelf Notes 
hereunder shall be made based on such expired interest rate quotes. Subject 
to paragraph 2B(6) and the other terms and conditions hereof, the Company 
agrees to sell to Prudential or a Prudential Affiliate, and Prudential agrees 
to purchase, or to cause the purchase by a Prudential Affiliate of, the 
Accepted Notes at 100% of the principal amount of such Notes. As soon as 
practicable following the Acceptance Day, the Company, Prudential and each 
Prudential Affiliate which is to purchase any such Accepted Notes will 
execute a confirmation of such Acceptance substantially in the form of 
EXHIBIT C attached hereto (herein called a "CONFIRMATION OF ACCEPTANCE").  If 
the Company should fail to execute and return to Prudential within three 
Business Days following receipt thereof a Confirmation of Acceptance with 
respect to any Accepted Notes, Prudential may at its election at any time 
prior to its receipt thereof cancel the closing with respect to such Accepted 
Notes by so notifying the Company in writing.

     2B(6).      MARKET DISRUPTION.  Notwithstanding the provisions of 
paragraph 2B(5), if Prudential shall have provided interest rate quotes 
pursuant to paragraph 2B(4) and thereafter prior to the time an Acceptance 
with respect to such quotes shall have been notified to Prudential in 
accordance with paragraph 2B(5) the domestic market for U.S. Treasury 
securities or derivatives shall have closed or there shall have occurred a 
general suspension, material limitation, or significant disruption of trading 
in securities generally on the New York Stock Exchange or in the domestic 
market for U.S. Treasury securities or derivatives, then such interest rate 
quotes shall expire, and no purchase or sale of Shelf Notes hereunder shall 
be made based on such expired interest rate quotes.  If the Company 
thereafter notifies Prudential of the Acceptance of any such interest rate 
quotes, such Acceptance shall be ineffective for all purposes of this 
Agreement, and Prudential shall promptly notify the Company that the 
provisions of this paragraph 2B(6) are applicable with respect to such 
Acceptance.

     2B(7).      FACILITY CLOSINGS.  Not later than 11:30 A.M. (New York City 
local time) on the Closing Day for any Accepted Notes, the Company will 
deliver to each Purchaser listed in the Confirmation of Acceptance relating 
thereto at the offices of the Prudential Capital Group, Two Prudential Plaza, 
Suite 5600, Chicago, Illinois 60601, Attention:  Law Department, the Accepted 
Notes to be purchased by such Purchaser in the form of one or more Notes in 
authorized

                                       4
<PAGE>

denominations as such Purchaser may request for each Series of Accepted Notes 
to be purchased on the Closing Day, dated the Closing Day and registered in 
such Purchaser's name (or in the name of its nominee), against payment of the 
purchase price thereof by transfer of immediately available funds for credit 
to the Company's account specified in the Request for Purchase of such Notes. 
 If the Company fails to tender to any Purchaser the Accepted Notes to be 
purchased by such Purchaser on the scheduled Closing Day for such Accepted 
Notes as provided above in this paragraph 2B(7), or any of the conditions 
specified in paragraph 3 shall not have been fulfilled by the time required 
on such scheduled Closing Day, the Company shall, prior to 1:00 P.M., New 
York City local time, on such scheduled Closing Day notify Prudential (which 
notification shall be deemed received by each Purchaser) in writing whether 
(i) such closing is to be rescheduled (such rescheduled date to be a Business 
Day during the Issuance Period not less than one Business Day and not more 
than 10 Business Days after such scheduled Closing Day (the "RESCHEDULED 
CLOSING DAY")) and certify to Prudential (which certification shall be for 
the benefit of each Purchaser) that the Company reasonably believes that it 
will be able to comply with the conditions set forth in paragraph 3 on such 
Rescheduled Closing Day and that the Company will pay the Delayed Delivery 
Fee in accordance with paragraph 2B(8)(iii) or (ii) such closing is to be 
canceled.  In the event that the Company shall fail to give such notice 
referred to in the preceding sentence, Prudential (on behalf of each 
Purchaser) may at its election, at any time after 1:00 P.M., New York City 
local time, on such scheduled Closing Day, notify the Company in writing that 
such closing is to be canceled.  Notwithstanding anything to the contrary 
appearing in this Agreement, the Company may not elect to reschedule a 
closing with respect to any given Accepted Notes on more than one occasion, 
unless Prudential shall have otherwise consented in writing.

     2B(8).      FEES.

     2B(8)(i).   STRUCTURING FEE.  At the time of the execution and delivery 
of this Agreement by the Company and Prudential, the Company will pay to 
Prudential in immediately available funds a fee (herein called the 
"STRUCTURING FEE") in the amount of $50,000.

     2B(8)(ii).  ISSUANCE FEE.  The Company will pay to Prudential in 
immediately available funds a fee (herein called the "ISSUANCE FEE") on each 
Closing Day (other than the Series A Closing Day) in an amount equal to 0.15% 
of the aggregate principal amount of Notes sold on such Closing Day, unless 
the Company shall have requested pursuant to the applicable Request for 
Purchase that such fee be included in the rate quotes Prudential may provide 
pursuant to paragraph 2B(4).

     2B(8)(iii). DELAYED DELIVERY FEE.  If the closing of the purchase and 
sale of any Accepted Note is delayed for any reason beyond the original 
Closing Day for such Accepted Note, the Company will pay to Prudential (a) on 
the Cancellation Date or actual closing date of such purchase and sale and 
(b) if earlier than the Cancellation Date or actual closing date, the next 
Business Day following 90 days after the Acceptance Day for such Accepted 
Note and on each Business Day following 90 days after the prior payment 
hereunder, a fee (herein called the "DELAYED DELIVERY FEE") calculated as 
follows:

                                       5
<PAGE>

                             (BEY - MMY) X DTS/360 X PA

where "BEY" means Bond Equivalent Yield, I.E., the bond equivalent yield per 
annum of such Accepted Note; "MMY" means Money Market Yield, I.E., the yield 
per annum on a commercial paper investment of the highest quality selected by 
Prudential on the date Prudential receives notice of the delay in the closing 
for such Accepted Note having a maturity date or dates the same as, or 
closest to, the Rescheduled Closing Day or Rescheduled Closing Days (a new 
alternative investment being selected by Prudential each time such closing is 
delayed); "DTS" means Days to Settlement, I.E., the number of actual days 
elapsed from and including the original Closing Day with respect to such 
Accepted Note (in the case of the first such payment with respect to such 
Accepted Note) or from and including the date of the next preceding payment 
(in the case of any subsequent delayed delivery fee payment with respect to 
such Accepted Note) to but excluding the date of such payment; and "PA" means 
Principal Amount, I.E., the principal amount of the Accepted Note for which 
such calculation is being made. In no case shall the Delayed Delivery Fee be 
less than zero.  Nothing contained herein shall obligate any Purchaser to 
purchase any Accepted Note on any day other than the Closing Day for such 
Accepted Note, as the same may be rescheduled from time to time in compliance 
with paragraph 2B(7).

     2B(8)(iv).  CANCELLATION FEE.  If the Company at any time notifies 
Prudential in writing that the Company is canceling the closing of the 
purchase and sale of any Accepted Note, or if Prudential notifies the Company 
in writing under the circumstances set forth in the last sentence of 
paragraph 2B(5) or the penultimate sentence of paragraph 2B(7) that the 
closing of the purchase and sale of such Accepted Note is to be canceled, or 
if the closing of the purchase and sale of such Accepted Note is not 
consummated on or prior to the last day of the Issuance Period (the date of 
any such notification, or the last day of the Issuance Period, as the case 
may be, being herein called the "CANCELLATION DATE"), the Company will pay to 
Prudential in immediately available funds an amount (the "CANCELLATION FEE") 
calculated as follows:
                                       
                                    PI X PA

where "PI" means Price Increase, I.E., the quotient (expressed in decimals) 
obtained by dividing (a) the excess of the ask price (as determined by 
Prudential) of the Hedge Treasury Note(s) on the Cancellation Date over the 
bid price (as determined by Prudential) of the Hedge Treasury Notes(s) on the 
Acceptance Day for such Accepted Note by (b) such bid price; and "PA" has the 
meaning ascribed to it in paragraph 2B(8)(iii).  The foregoing bid and ask 
prices shall be as reported by Telerate Systems, Inc. (or, if such data for 
any reason ceases to be available through Telerate Systems, Inc., any 
publicly available source of similar market data).  Each price shall be based 
on a U.S. Treasury security having a par value of $100.00 and shall be 
rounded to the second decimal place.  In no case shall the Cancellation Fee 
be less than zero.

     3.          CONDITIONS OF CLOSING.  The obligation of any Purchaser to 
purchase and pay for any Notes is subject to the satisfaction, on or before 
the Closing Day for such Notes, of the following conditions:

                                       6
<PAGE>

     3A.         CERTAIN DOCUMENTS.  Such Purchaser shall have received the 
following, each dated the date of the applicable Closing Day:

                 (i)     This Agreement;

                 (ii)    The Note(s) to be purchased by such Purchaser;

                 (iii)   A favorable opinion of Oppenheimer Wolff & Donnelly 
     LLP, special counsel to the Company (or such other counsel designated by 
     the Company and acceptable to the Purchaser(s)) satisfactory to such 
     Purchaser and substantially in the form of EXHIBIT D-1 (in the case of 
     the Series A Notes) or D-2 (in the case of any Shelf Notes) attached 
     hereto and as to such other matters as such Purchaser may reasonably 
     request.  The Company hereby directs each such counsel to deliver such 
     opinion, agrees that the issuance and sale of any Notes will constitute 
     a reconfirmation of such direction, and understands and agrees that each 
     Purchaser receiving such an opinion will and is hereby authorized to 
     rely on such opinion;

                 (iv)    a Secretary's Certificate signed by the Secretary or 
     an Assistant Secretary and one other officer of the Company certifying, 
     among other things, (A) as to the names, titles and true signatures of 
     the officers of the Company authorized to sign this Agreement, the Notes 
     and the other documents to be delivered in connection with this 
     Agreement, (B) that attached as Exhibit A thereto is a true, accurate 
     and complete copy of the Certificate of Incorporation of the Company, 
     certified by the Secretary of State of Delaware as of a date not more 
     than five Business Days from the Closing Day, (C) that attached as 
     Exhibit B thereto is a true, accurate and complete copy of the Company's 
     Bylaws which were duly adopted and are presently in effect and have been 
     in effect immediately prior to and at all times since the adoption of 
     the resolutions referred to in clause (D) below, (D) that attached as 
     Exhibit C thereto is a true, accurate and complete copy of the 
     resolutions of the Company's Board of Directors (authorizing the 
     issuance and sale of the Notes and the execution, delivery and 
     performance of this Agreement) duly adopted by written action or at a 
     meeting of the Company's Board of Directors, and such resolutions have 
     not been rescinded, amended or modified and (E) that attached as Exhibit 
     D thereto are good standing certificates (or the equivalent thereof) for 
     the Company from the Secretary of State of Delaware and Wisconsin;

                 (v)     an Officer's Certificate certifying that (A) the 
     representations and warranties contained in paragraph 8 shall be true on 
     and as of the Closing Day, except to the extent of changes caused by the 
     transactions herein contemplated; and (B) on the date of closing no 
     Event of Default or Default exists;

                                       7
<PAGE>


                 (vi)    certified copies of Requests for Information or 
     Copies (Form UCC-11) or equivalent reports listing all effective 
     financing statements which name the Company or any Subsidiary (under its 
     present name and previous names used in the last seven years) as debtor 
     and which are filed in the office of the Secretary of State of Wisconsin 
     together with copies of such financing statements;

                 (vii)   a disbursement direction letter executed by the 
     Company in the form of EXHIBIT E attached hereto; and

                 (viii)  Additional documents or certificates with respect to 
     legal matters or corporate or other proceedings related to the 
     transactions contemplated hereby as may be reasonably requested by such 
     Purchaser.

     3B.         OPINION OF PURCHASER'S SPECIAL COUNSEL.  Such Purchaser 
shall have received from Wiley S. Adams, Assistant General Counsel of 
Prudential or such other counsel who is acting as special counsel for it in 
connection with this transaction, a favorable opinion satisfactory to such 
Purchaser as to such matters incident to the matters herein contemplated as 
it may reasonably request.

     3C.         REPRESENTATIONS AND WARRANTIES; NO DEFAULT.  The 
representations and warranties contained in paragraph 8 shall be true on and 
as of such Closing Day, except to the extent of changes caused by the 
transactions herein contemplated; there shall exist on such Closing Day no 
Event of Default or Default; and the Company shall have delivered to such 
Purchaser an Officer's Certificate, dated such Closing Day, to both such 
effects.

     3D.         PURCHASE PERMITTED BY APPLICABLE LAWS.  The purchase of and 
payment for the Notes to be purchased by such Purchaser on the terms and 
conditions herein provided (including the use of the proceeds of such Notes 
by the Company) shall not violate any applicable law or governmental 
regulation (including, without limitation, Section 5 of the Securities Act or 
Regulation U, T or X of the Board of Governors of the Federal Reserve System) 
and shall not subject such Purchaser to any tax, penalty, liability or other 
onerous condition under or pursuant to any applicable law or governmental 
regulation, and such Purchaser shall have received such certificates or other 
evidence as it may request to establish compliance with this condition.

     3E.         PAYMENT OF FEES.  The Company shall have paid to Prudential 
any fees due it pursuant to or in connection with this Agreement, including 
any Structuring Fee due pursuant to paragraph 2B(8)(i), any Issuance Fee due 
pursuant to paragraph 2B(8)(ii) and any Delayed Delivery Fee due pursuant to 
paragraph 2B(8)(iii).

     4.          PREPAYMENTS.  The Series A Notes and any Shelf Notes shall 
be subject to required prepayment as and to the extent provided in paragraphs 
4A and 4B, respectively.  The Series A Notes and any Shelf Notes shall also 
be subject to prepayment under the circumstances set forth in paragraph 4C.  
Any prepayment made by the Company pursuant to any 

                                       8
<PAGE>

other provision of this paragraph 4 shall not reduce or otherwise affect its 
obligation to make any required prepayment as specified in paragraph 4A or 4B.

     4A.         REQUIRED PREPAYMENTS OF SERIES A NOTES.  Until the Series A 
Notes shall be paid in full, the Company shall apply to the prepayment of the 
Series A Notes, without Yield-Maintenance Amount, the sum of $3,571,428.57 on 
October 30 of each year commencing on October 30, 2002 through and including 
October 30, 2008 and such principal amounts of the Series A Notes, together 
with interest thereon to the payment dates, shall become due on such payment 
dates. Any remaining unpaid principal amount of the Series A Notes, together 
with any accrued and unpaid interest, shall become due on the maturity date 
of the Series A Notes.

     4B.         REQUIRED PREPAYMENTS OF SHELF NOTES.  Each Series of Shelf 
Notes shall be subject to required prepayments, if any, set forth in the 
Notes of such Series.

     4C.         OPTIONAL PREPAYMENT WITH YIELD-MAINTENANCE AMOUNT.  The 
Notes of each Series shall be subject to prepayment, in whole or in part at 
any time (in integral multiples of $100,000 and in a minimum amount of 
$5,000,000), at the option of the Company, at 100% of the principal amount so 
prepaid plus interest thereon to the prepayment date and the 
Yield-Maintenance Amount, if any, with respect to each such Note.  Any 
partial prepayment of a Series of the Notes pursuant to this paragraph 4C 
shall be applied in satisfaction of required payments of principal in inverse 
order of their scheduled due dates.

     4D.         NOTICE OF OPTIONAL PREPAYMENT.  The Company shall give the 
holder of each Note of a Series to be prepaid pursuant to paragraph 4C 
irrevocable written notice of such prepayment not less than 10 Business Days 
prior to the prepayment date, specifying such prepayment date, the aggregate 
principal amount of the Notes of such Series to be prepaid on such date, the 
principal amount of the Notes of such Series held by such holder to be 
prepaid on that date and that such prepayment is to be made pursuant to 
paragraph 4C. Notice of prepayment having been given as aforesaid, the 
principal amount of the Notes specified in such notice, together with 
interest thereon to the prepayment date and together with the 
Yield-Maintenance Amount, if any, herein provided, shall become due and 
payable on such prepayment date.  The Company shall, on or before the day on 
which it gives written notice of any prepayment pursuant to paragraph 4C, 
give telephonic notice of the principal amount of the Notes to be prepaid and 
the prepayment date to each Significant Holder which shall have designated a 
recipient for such notices in the Purchaser Schedule attached hereto or the 
applicable Confirmation of Acceptance or by notice in writing to the Company.

     4E.         APPLICATION OF PREPAYMENTS.  In the case of each prepayment 
of less than the entire unpaid principal amount of all outstanding Notes of 
any Series pursuant to paragraphs 4A, 4B or 4C, the amount to be prepaid 
shall be applied pro rata to all outstanding Notes of such Series (including, 
for the purpose of this paragraph 4E only, all Notes prepaid or otherwise 
retired or purchased or otherwise acquired by the Company or any of its 
Subsidiaries or Affiliates other than by prepayment pursuant to paragraph 4A, 
4B or 4C) according to the respective unpaid principal amounts thereof.

                                       9
<PAGE>

     4F.         NO ACQUISITION OF NOTES.  The Company shall not, and shall 
not permit any of its Subsidiaries or Affiliates to, prepay or otherwise 
retire in whole or in part prior to their stated final maturity (other than 
by prepayment pursuant to paragraphs 4A, 4B or 4C or upon exercise of the put 
option pursuant to paragraph 5G, or upon acceleration of such final maturity 
pursuant to paragraph 7A), or purchase or otherwise acquire, directly or 
indirectly, Notes held by any holder.  Any notes so prepaid or otherwise 
retired or purchased or otherwise acquired by the Company or any of its 
Subsidiaries or Affiliates shall not be deemed to be outstanding for any 
purpose under this Agreement, except as provided in paragraph 4E.

     5.          AFFIRMATIVE COVENANTS.  During the Issuance Period and so 
long thereafter as any Note is outstanding and unpaid, the Company covenants 
as follows:

     5A.         FINANCIAL STATEMENTS; NOTICE OF DEFAULTS.  The Company 
covenants that it will deliver to each Significant Holder in triplicate:

                 (i)     as soon as practicable and in any event within 45 
     days after the end of each quarterly period (other than the last 
     quarterly period) in each fiscal year consolidated statements of income, 
     and cash flows and a consolidated statement of shareholders' equity of 
     the Company and its Subsidiaries for the period from the beginning of 
     the current fiscal year to the end of such quarterly period, and a 
     consolidated balance sheet of the Company and its Subsidiaries as at the 
     end of such quarterly period, setting forth in each case in comparative 
     form figures for the corresponding period in the preceding fiscal year, 
     all in reasonable detail and certified by an authorized financial 
     officer of the Company, subject to changes resulting from year-end 
     adjustments; PROVIDED, HOWEVER, that delivery pursuant to clause (iii) 
     below of copies of the Quarterly Report on From 10-Q of the Company for 
     such quarterly period filed with the Securities and Exchange Commission 
     shall be deemed to satisfy the requirements of this clause (i);

                 (ii)    as soon as practicable and in any event within 90 
     days after the end of each fiscal year, consolidated statements of 
     income and cash flows and a consolidated statement of shareholders' 
     equity of the Company and its Subsidiaries for such year, and a 
     consolidated balance sheet of the Company and its Subsidiaries as at the 
     end of such year, setting forth in each case in comparative form 
     corresponding consolidated figures from the preceding annual audit, all 
     in reasonable detail and satisfactory in form to the Required Holder(s) 
     and, reported on by independent public accountants of recognized 
     national standing selected by the Company whose report shall be without 
     limitation as to scope of the audit and satisfactory in substance to the 
     Required Holder(s); PROVIDED, HOWEVER, that delivery pursuant to clause 
     (iii) below of copies of the Annual Report on Form 10-K of the Company 
     for such fiscal year filed with the Securities and Exchange Commission 
     shall be deemed to satisfy the requirements of this clause (ii);

                                       10
<PAGE>

                 (iii)   promptly upon transmission thereof, copies of all 
     such financial statements, proxy statements, notices and reports as it 
     shall send to its public stockholders and copies of all registration 
     statements (without exhibits) and all reports which it files with the 
     Securities and Exchange Commission (or any governmental body or agency 
     succeeding to the functions of the Securities and Exchange Commission);

                 (iv)    promptly upon receipt thereof, a copy of each other 
     report submitted to the Company or any Subsidiary by independent 
     accountants in connection with any annual, interim or special audit made 
     by them of the books of the Company or any Subsidiary; and

                 (v)     with reasonable promptness, such other information 
     as such holder may reasonably request.

Together with each delivery of financial statements required by clauses (i) 
and (ii) above, the Company will deliver to each Significant Holder an 
Officer's Certificate demonstrating (with computations in reasonable detail) 
compliance by the Company and its Subsidiaries with the provisions of 
paragraph 6 and stating that there exists no Event of Default or Default, or, 
if any Event of Default or Default exists, specifying the nature and period 
of existence thereof and what action the Company proposes to take with 
respect thereto.

                 The Company also covenants that immediately after any 
Responsible Officer obtains knowledge of an Event of Default or Default, it 
will deliver to each Significant Holder an Officer's Certificate specifying 
the nature and period of existence thereof and what action the Company 
proposes to take with respect thereto.

     5B.         INFORMATION REQUIRED BY RULE 144A.  The Company covenants 
that it will, upon the request of the holder of any Note, provide such 
holder, and any qualified institutional buyer designated by such holder, such 
financial and other information as such holder may reasonably determine to be 
necessary in order to permit compliance with the information requirements of 
Rule 144A under the Securities Act in connection with the resale of Notes, 
except at such times as the Company is subject to and in compliance with the 
reporting requirements of section 13 or 15(d) of the Exchange Act.  For the 
purpose of this paragraph 5B, the term "QUALIFIED INSTITUTIONAL BUYER" shall 
have the meaning specified in Rule 144A under the Securities Act.

     5C.         INSPECTION OF PROPERTY.  The Company covenants that it will 
permit any Person designated by any Significant Holder in writing, at such 
Significant Holder's expense, to visit and inspect any of the properties of 
the Company and its Subsidiaries, to examine the corporate books and 
financial records of the Company and its Subsidiaries and make copies thereof 
or extracts therefrom and to discuss the affairs, finances and accounts of 
any of such corporations with the principal officers of the Company and, 
after the occurrence and during the continuance of an Event of Default, its 
independent public accountants, all at such reasonable times and as often as 
such Significant Holder may reasonably request.

                                       11
<PAGE>

     5D.         COVENANT TO SECURE NOTES EQUALLY.  The Company covenants 
that, if it or any Subsidiary shall create or assume any Lien upon any of its 
property or assets, whether now owned or hereafter acquired, other than Liens 
permitted by the provisions of paragraph 6B(1) (unless prior written consent 
to the creation or assumption thereof shall have been obtained pursuant to 
paragraph 11C), it will make or cause to be made effective provision whereby 
the Notes will be secured by such Lien equally and ratably with any and all 
other Debt thereby secured so long as any such other Debt shall be so secured.

     5E.         COMPLIANCE WITH LAWS.  The Company covenants that it shall, 
and shall cause each Subsidiary to, comply with all applicable laws, rules, 
regulations, decrees and orders of all federal, state, local or foreign 
courts or governmental agencies, authorities, instrumentalities or regulatory 
bodies the noncompliance with which could be reasonably expected to result in 
a material adverse effect on the business, assets, operations or condition 
(financial or otherwise) of the Company and its Subsidiaries taken as a whole.

     5F.         MAINTENANCE OF INSURANCE.  The Company covenants that it and 
each Subsidiary will maintain, with financially sound and reputable insurers, 
insurance in such amounts with deductibles and self insurance and against 
such liabilities and hazards as customarily is maintained by the other 
companies operating similar businesses.  Together with each delivery of 
financial statements under paragraph 5A, the Company will, upon the request 
of any Significant Holder, deliver an Officer's Certificate specifying the 
details of such insurance in effect.

     5G.         CHANGE IN CONTROL PUT OPTION.  The Company covenants that 
within three Business Days after any Responsible Officer shall obtain 
knowledge of the occurrence of a Change in Control Event, the Company shall 
provide each holder of Notes written notice thereof, describing in reasonable 
detail the facts and circumstances constituting such Change in Control Event. 
 Following the occurrence of any Change in Control Event, if at any time 
prior to 15 Business Days after receipt of notice thereof, the holder of any 
Note requests in writing that the Company purchase the Note(s) held by such 
holder, the Company shall, on the 20th Business Day after such receipt of 
such notice, purchase (and each such holder thereof shall sell) such Note(s) 
at a purchase price equal to the aggregate outstanding principal amount 
thereof, together with interest thereon to the date of purchase and the 
Yield-Maintenance Amount, if any, with respect thereto.  No holder of any 
Note to be sold pursuant to this paragraph 5G shall be required to make any 
representation or warranty in connection with such sale, other than with 
respect to its ownership of its Note.

     6.          NEGATIVE COVENANTS.  During the Issuance Period and so long 
thereafter as any Note or other amount due hereunder is outstanding and 
unpaid, the Company covenants as follows:

     6A.         MINIMUM INTEREST COVERAGE RATIO.  The Company covenants that 
it will not permit the ratio of EBITDA to Consolidated interest expense of 
the Company and its Subsidiaries calculated on a rolling four quarter basis 
to be less than 4.00 to 1.00 at any time.

                                       12
<PAGE>

     6B.         LIEN, DEBT AND OTHER RESTRICTIONS.  The Company will not and 
will not permit any Subsidiary to:

     6B(1).      LIENS.  Create, assume or suffer to exist any Lien upon any 
of its properties or assets, whether now owned or hereafter acquired (whether 
or not provision is made for the equal and ratable securing of the Notes in 
accordance with the provisions of paragraph 5D), EXCEPT:

                 (i)     Liens for taxes, assessments or other governmental 
     charges not yet due or which are being actively contested in good faith 
     by appropriate proceedings,

                 (ii)    Liens incidental to the conduct of its business or 
     the ownership of its property and assets which were not incurred in 
     connection with the borrowing of money or the obtaining of an advance or 
     credit, and which do not in the aggregate materially detract from the 
     value of its property or assets or materially impair the use thereof in 
     the operation of its business,

                 (iii)   Liens on property or assets of a Subsidiary to 
     secure obligations of such Subsidiary to the Company or to a 
     Wholly-Owned Subsidiary,

                 (iv)    Liens  in existence on the date hereof and 
     identified on Schedule 6B(1) hereto securing Debt not in excess of 
     $15,000,000, but excluding any renewal, extension or increase thereof 
     after the date hereof,

                 (v)     Liens securing judgments not in excess of $2,000,000 
     to the extent that the period for appeal of such judgments shall not 
     have expired or to the extent that such judgment shall have been stayed 
     or otherwise postponed; and

                 (vi)    other Liens (including Liens consisting of 
     Capitalized Lease Obligations) provided however that Priority Debt at no 
     time exceeds 15% of Consolidated Net Worth;

     6B(2).      DEBT.  Create, incur, assume or suffer to exist any Debt,
EXCEPT:

                 (i)     Debt of any Subsidiary owing to the Company or a 
     Wholly-Owned Subsidiary, and

                 (ii)    other Debt of the Company or Subsidiaries, so long 
     as (a) Priority Debt at no time exceeds 15% of Consolidated Net Worth 
     except to the extent otherwise contemplated by paragraph 6B(1)(iv), and 
     (b) the ratio (expressed as a percentage) of Consolidated Debt of the 
     Company and its Subsidiaries to Consolidated Adjusted Gross Worth does 
     not exceed 55% at any time;

                                       13
<PAGE>

     6B(3).      MERGER AND CONSOLIDATION.  Merge or consolidate with or into
any other Person, EXCEPT that:

                 (i)     any Subsidiary may merge or consolidate with or into 
     the Company, PROVIDED that the Company is the continuing or surviving 
     corporation,

                 (ii)    any Subsidiary may merge or consolidate with or into 
     a Wholly-Owned Subsidiary, and

                 (iii)   the Company may merge with any other solvent 
     corporation, so long as the Company shall be the continuing or surviving 
     corporation, PROVIDED that no Default or Event of Default exists or 
     would exist immediately after giving effect to any such merger;

     6B(4).      TRANSFER OF ASSETS.  Transfer any of its assets EXCEPT that:

                 (i)     the Company and Subsidiaries may sell or exchange 
     assets (including used equipment) in the ordinary course of business,

                 (ii)    any Subsidiary may Transfer assets to the Company or 
     a Wholly-Owned Subsidiary, and

                 (iii)   the Company or any Subsidiary may otherwise Transfer 
     assets, PROVIDED that after giving effect thereto the sum of such other 
     assets Transferred in any fiscal year did not, as a whole (a) contribute 
     more than 10% of Consolidated Net Income of the Company and its 
     Subsidiaries (before extraordinary gains or losses) for any of the three 
     most recently ended fiscal years or (b) constitute more than 10% of 
     Consolidated total assets of the Company and its Subsidiaries as of the 
     beginning of such fiscal year;

     6B(5).      SALE OR DISCOUNT OF RECEIVABLES.  Sell with recourse, or 
discount or otherwise sell for less than the face value thereof, or subject 
to a Lien, any of its notes or accounts receivable other than receivables 
which are doubtful in accordance with generally accepted accounting 
principles;

     6B(6).      ISSUANCE OF STOCK BY SUBSIDIARIES.  Permit any Subsidiary to 
issue, sell or dispose of any shares of its stock of any class except to the 
Company or a Wholly-Owned Subsidiary, and except that any Subsidiary which 
does not own any shares of stock of any other Subsidiary may issue to Persons 
other than the Company or another Subsidiary shares of stock of a class which 
has no priority over any other class as to dividends or in liquidation if, 
after giving effect thereto, the issuing corporation shall continue to be a 
Subsidiary and no Default or Event of Default would exist; or

                                       14
<PAGE>

     6B(7).      RELATED PARTY TRANSACTIONS.  Directly or indirectly, 
purchase, acquire or lease any property from, or sell, transfer or lease any 
property to, or otherwise deal with, in the ordinary course of business or 
otherwise, any Related Party; PROVIDED that the foregoing shall not prohibit 
transactions which are engaged in the ordinary course of business and are on 
terms demonstrably no less favorable to the Company or a Subsidiary (as the 
case may be) than would be available in an "arm's-length" transaction.

     7.          EVENTS OF DEFAULT.

     7A.         ACCELERATION.  If any of the following events shall occur 
and be continuing for any reason whatsoever (and whether such occurrence 
shall be voluntary or involuntary or come about or be effected by operation 
of law or otherwise):

                 (i)     the Company defaults in the payment of any principal 
     of, or Yield- Maintenance Amount payable with respect to, any Note when 
     the same shall become due, either by the terms thereof or otherwise as 
     herein provided; or

                 (ii)    the Company defaults in the payment of any interest 
     on any Note for more than 10 days after the date due; or

                 (iii)   the Company or any Subsidiary defaults (whether as 
     primary obligor or as guarantor or other surety) in any payment of 
     principal of or interest on any other obligation for money borrowed (or 
     any Capitalized Lease Obligation, any obligation under a conditional 
     sale or other title retention agreement, any obligation issued or 
     assumed as full or partial payment for property whether or not secured 
     by a purchase money mortgage or any obligation under notes payable or 
     drafts accepted representing extensions of credit) beyond any period of 
     grace provided with respect thereto, or the Company or any Subsidiary 
     fails to perform or observe any other agreement, term or condition 
     contained in any agreement under which any such obligation is created 
     (or if any other event thereunder or under any such agreement shall 
     occur and be continuing) and the effect of such failure or other event 
     is to cause, or to permit the holder or holders of such obligation (or a 
     trustee on behalf of such holder or holders) to cause, such obligation 
     to become due (or to be repurchased by the Company or any Subsidiary) 
     prior to any stated maturity, PROVIDED that the aggregate amount of all 
     obligations as to which such a payment default shall occur and be 
     continuing or such a failure or other event causing or permitting 
     acceleration (or resale to the Company or any Subsidiary) shall occur 
     and be continuing exceeds $5,000,000; or

                 (iv)    any representation or warranty made by the Company 
     herein or by the Company or any of its officers in any writing furnished 
     in connection with or pursuant to this Agreement shall be false in any 
     material respect on the date as of which made; or

                                       15
<PAGE>

                 (v)     the Company fails to perform or observe any 
     agreement contained in paragraph 5G or 6; or

                 (vi)    the Company fails to perform or observe any other 
     agreement, term or condition contained herein and such failure shall not 
     be remedied within 30 days after any Responsible Officer obtains actual 
     knowledge thereof; or

                 (vii)   the Company or any Subsidiary makes an assignment 
     for the benefit of creditors or is generally not paying its debts as 
     such debts become due; or

                 (viii)  any decree or order for relief in respect of the 
     Company or any Subsidiary is entered under any bankruptcy, 
     reorganization, compromise, arrangement, insolvency, readjustment of 
     debt, dissolution or liquidation or similar law, whether now or 
     hereafter in effect (herein called the "BANKRUPTCY LAW"), of any 
     jurisdiction; or

                 (ix)    the Company or any Subsidiary petitions or applies 
     to any tribunal for, or consents to, the appointment of, or taking 
     possession by, a trustee, receiver, custodian, liquidator or similar 
     official of the Company or any Subsidiary, or of any substantial part of 
     the assets of the Company or any Subsidiary, or commences a voluntary 
     case under the Bankruptcy Law of the United States or any proceedings 
     (other than proceedings for the voluntary liquidation and dissolution of 
     a Subsidiary) relating to the Company or any Subsidiary under the 
     Bankruptcy Law of any other jurisdiction; or

                 (x)     any such petition or application is filed, or any 
     such proceedings are commenced, against the Company or any Subsidiary 
     and the Company or such Subsidiary by any act indicates its approval 
     thereof, consent thereto or acquiescence therein, or an order, judgment 
     or decree is entered appointing any such trustee, receiver, custodian, 
     liquidator or similar official, or approving the petition in any such 
     proceedings, and such order, judgment or decree remains unstayed and in 
     effect for more than 30 days; or

                 (xi)    any order, judgment or decree is entered in any 
     proceedings against the Company decreeing the dissolution of the Company 
     and such order, judgment or decree remains unstayed and in effect for 
     more than 60 days: or

                 (xii)   any order, judgment or decree is entered in any 
     proceedings against the Company or any Subsidiary decreeing a split-up 
     of the Company or such Subsidiary which requires the divestiture of 
     assets representing a substantial part, or the divestiture of the stock 
     of a Subsidiary whose assets represent a substantial part, of the 
     consolidated assets of the Company and its Subsidiaries (determined in 
     accordance with generally accepted accounting principles) or which 
     requires the 

                                       16
<PAGE>

     divestiture of assets, or stock of a Subsidiary, which shall have 
     contributed a substantial part of the consolidated net income of the 
     Company and its Subsidiaries (determined in accordance with generally 
     accepted accounting principles) for any of the three fiscal years then 
     most recently ended, and such order, judgment or decree remains unstayed 
     and in effect for more than 60 days; or

                 (xiii)  one or more final judgments in an aggregate amount 
     in excess of $2,000,000 is rendered against the Company or any 
     Subsidiary and, within 60 days after entry thereof, any such judgment is 
     not discharged or execution thereof stayed pending appeal, or within 60 
     days after the expiration of any such stay, such judgment is not 
     discharged; or

                 (xiv)   the Company or any ERISA Affiliate, in its capacity 
     as an employer under a Multiemployer Plan, makes a complete or partial 
     withdrawal from such Multiemployer Plan resulting in the incurrence by 
     such withdrawing employer of a withdrawal liability in an amount 
     exceeding $1,000,000;

then (a) if such event is an Event of Default specified in clause (i) or (ii) 
of this paragraph 7A, any holder of any Note may at its option during the 
continuance of such Event of Default, by notice in writing to the Company, 
declare all of the Notes held by such holder to be, and all of the Notes held 
by such holder shall thereupon be and become, immediately due and payable at 
par together with interest accrued thereon, without presentment, demand, 
protest or notice of any kind, all of which are hereby waived by the Company, 
(b) if such event is an Event of Default specified in clause (viii), (ix) or 
(x) of this paragraph 7A with respect to the Company, all of the Notes at the 
time outstanding shall automatically become immediately due and payable 
together with interest accrued thereon and together with the 
Yield-Maintenance Amount, if any, with respect to each Note, without 
presentment, demand, protest or notice of any kind, all of which are hereby 
waived by the Company, and (c) with respect to any event constituting an 
Event of Default, the Required Holder(s) of the Notes of any Series may at 
its or their option during the continuance of such Event of Default, by 
notice in writing to the Company, declare all of the Notes of such Series to 
be, and all of the Notes of such Series shall thereupon be and become, 
immediately due and payable together with interest accrued thereon and 
together with the Yield-Maintenance Amount, if any, with respect to each Note 
of such Series, without presentment, demand, protest or notice of any kind, 
all of which are hereby waived by the Company.

     7B.         RESCISSION OF ACCELERATION.  At any time after any or all of 
the Notes of any Series shall have been declared immediately due and payable 
pursuant to paragraph 7A, the Required Holder(s) of the Notes of such Series 
may, by notice in writing to the Company, rescind and annul such declaration 
and its consequences if (i) the Company shall have paid all overdue interest 
on the Notes of such Series, the principal of and Yield-Maintenance Amount, 
if any, payable with respect to any Notes of such Series which have become 
due otherwise than by reason of such declaration, and interest on such 
overdue interest and overdue principal and Yield-Maintenance Amount at the 
rate specified in the Notes of such Series, (ii) the Company shall not have 
paid any amounts which have become due solely by reason of such declaration, 
(iii) all Events 

                                       17
<PAGE>

of Default and Defaults, other than non-payment of amounts which have become 
due solely by reason of such declaration, shall have been cured or waived 
pursuant to paragraph 11C, and (iv) no judgment or decree shall have been 
entered for the payment of any amounts due pursuant to the Notes of such 
Series or this Agreement.  No such rescission or annulment shall extend to or 
affect any subsequent Event of Default or Default or impair any right arising 
therefrom.

     7C.         NOTICE OF ACCELERATION OR RESCISSION.  Whenever any Note 
shall be declared immediately due and payable pursuant to paragraph 7A or any 
such declaration shall be rescinded and annulled pursuant to paragraph 7B, 
the Company shall forthwith give written notice thereof to the holder of each 
Note of each Series at the time outstanding.

     7D.         OTHER REMEDIES.  If any Event of Default or Default shall 
occur and be continuing, the holder of any Note may proceed to protect and 
enforce its rights under this Agreement and such Note by exercising such 
remedies as are available to such holder in respect thereof under applicable 
law, either by suit in equity or by action at law, or both, whether for 
specific performance of any covenant or other agreement contained in this 
Agreement or in aid of the exercise of any power granted in this Agreement.  
No remedy conferred in this Agreement upon the holder of any Note is intended 
to be exclusive of any other remedy, and each and every such remedy shall be 
cumulative and shall be in addition to every other remedy conferred herein or 
now or hereafter existing at law or in equity or by statute or otherwise.

     8.          REPRESENTATIONS, COVENANTS AND WARRANTIES.  The Company 
represents, covenants and warrants as follows (all references to "Subsidiary" 
and "Subsidiaries" in this paragraph 8 shall be deemed omitted if the Company 
has no Subsidiaries at the time the representations herein are made or 
repeated):

     8A.         ORGANIZATION; SUBSIDIARY PREFERRED STOCK.  The Company is a 
corporation duly organized and existing in good standing under the laws of 
the State of Delaware, each Subsidiary is duly organized and existing in good 
standing under the laws of the jurisdiction in which it is incorporated, and 
the Company has and each Subsidiary has the corporate power to own its 
respective property and to carry on its respective business as now being 
conducted.  No Subsidiary has outstanding any shares of stock of a class 
which has priority over any other class as to dividends or in liquidation.   
As of the Series A Closing Day, the Company has no Subsidiaries.

     8B.         FINANCIAL STATEMENTS.  The Company has furnished each 
Purchaser of any Note with the following financial statements, identified by 
a principal financial officer of the Company:  (i) a consolidated balance 
sheet of the Company and its Subsidiaries as at December 31 in each of the 
three fiscal years of the Company most recently completed prior to the date 
as of which this representation is made or repeated to such Purchaser (other 
than fiscal years completed within 90 days prior to such date for which 
audited financial statements have not been released) and consolidated 
statements of income and cash flows and a consolidated statement of 
shareholders' equity of the Company and its Subsidiaries for each such year, 
all reported on by Arthur Andersen L.L.P. (or such other nationally 
recognized independent public accountants as may be subsequently selected by 
the Company with respect to fiscal years ending after the date hereof) and 
(ii) 

                                       18
<PAGE>

consolidated balance sheet of the Company and its Subsidiaries as at the end 
of the quarterly period (if any) most recently completed prior to such date 
and after the end of such fiscal year (other than quarterly periods completed 
within 45 days prior to such date for which financial statements have not 
been released) and the comparable quarterly period in the preceding fiscal 
year and consolidated statements of income and cash flows and a consolidated 
statement of shareholders' equity for the periods from the beginning of the 
fiscal years in which such quarterly periods are included to the end of such 
quarterly periods, prepared by the Company.  Such financial statements 
(including any related schedules and/or notes) are true and correct in all 
material respects (subject, as to interim statements, to the absence of 
footnotes and changes resulting from audits and year-end adjustments), have 
been prepared in accordance with generally accepted accounting principles 
consistently followed throughout the periods involved and show all 
liabilities, direct and contingent, of the Company and its Subsidiaries 
required to be shown in accordance with such principles.  The balance sheets 
fairly present the condition of the Company and its Subsidiaries as at the 
dates thereof, and the statements of income, stockholders' equity and cash 
flows fairly present the results of the operations of the Company and its 
Subsidiaries and their cash flows for the periods indicated.  There has been 
no material adverse change in the business, property or assets, condition 
(financial or otherwise), operations or prospects of the Company and its 
Subsidiaries taken as a whole since the end of the most recent fiscal year 
for which such audited financial statements have been furnished.

     8C.         ACTIONS PENDING.  There is no action, suit, investigation or 
proceeding pending or, to the knowledge of the Company, threatened against 
the Company or any of its Subsidiaries, or any properties or rights of the 
Company or any of its Subsidiaries, by or before any court, arbitrator or 
administrative or governmental body which could be reasonably expected to 
result in any material adverse change in the business, property or assets, 
condition (financial or otherwise) or operations of the Company and its 
Subsidiaries taken as a whole.

     8D.         OUTSTANDING LIENS AND DEBT.  Neither the Company nor any of 
its Subsidiaries has outstanding any Liens or Debt except as respectively 
permitted by paragraphs 6B(1) and  6B(2).  There exists no default under the 
provisions of any instrument evidencing such Debt or of any agreement 
relating thereto.

     8E.         TITLE TO PROPERTIES.  The Company has and each of its 
Subsidiaries has good and indefeasible title to its respective real 
properties (other than properties which it leases) and good title to all of 
its other respective properties and assets, including the properties and 
assets reflected in the most recent audited balance sheet referred to in 
paragraph 8B (other than properties and assets disposed of in the ordinary 
course of business) or as permitted under paragraph 6B(4), subject to no Lien 
of any kind except Liens permitted by paragraph 6B(1).  All leases necessary 
in any material respect for the conduct of the respective businesses of the 
Company and its Subsidiaries are valid and subsisting and are in full force 
and effect.

     8F.         TAXES.  The Company has and each of its Subsidiaries has filed
all federal, state and other income tax returns which, to the best knowledge of
the officers of the Company and its Subsidiaries, are required to be filed, and
each has paid all taxes as shown on such returns and on 

                                       19
<PAGE>

all assessments received by it to the extent that such taxes have become due, 
except such taxes as are being contested in good faith by appropriate 
proceedings for which adequate reserves have been established in accordance 
with generally accepted accounting principles.

     8G.         CONFLICTING AGREEMENTS AND OTHER MATTERS.  Neither the 
Company nor any of its Subsidiaries is a party to any contract or agreement 
or subject to any charter or other corporate restriction which materially and 
adversely affects its business, property or assets, condition (financial or 
otherwise) or operations.  Neither the execution nor delivery of this 
Agreement or the Notes, nor the offering, issuance and sale of the Notes, nor 
fulfillment of nor compliance with the terms and provisions hereof and of the 
Notes will conflict with, or result in a breach of the terms, conditions or 
provisions of, or constitute a default under, or result in any violation of, 
or result in the creation of any Lien upon any of the properties or assets of 
the Company or any of its Subsidiaries pursuant to, the charter or by-laws of 
the Company or any of its Subsidiaries, any award of any arbitrator or any 
agreement (including any agreement with stockholders), instrument, order, 
judgment, decree, statute, law, rule or regulation to which the Company or 
any of its Subsidiaries is subject except that the Credit Agreement between 
U.S. Bank National Association and the Company dated as of October 30, 1998 
may require in certain circumstances  the granting of Liens which may not be 
permitted by this Agreement.  The Company acknowledges that notwithstanding 
the foregoing disclosure the granting of any such Liens in contravention of 
the terms hereof will constitute an Event of Default hereunder and the 
holder(s) of the Notes would be entitled to exercise their rights and 
remedies.  Neither the Company nor any of its Subsidiaries is a party to, or 
otherwise subject to any provision contained in, any instrument evidencing 
Indebtedness of the Company or such Subsidiary, any agreement relating 
thereto or any other contract or agreement (including its charter) which 
limits the amount of, or otherwise imposes restrictions on the incurring of, 
Debt of the Company of the type to be evidenced by the Notes except as set 
forth in the agreements listed in SCHEDULE 8G attached hereto (as such 
Schedule 8G may have been modified from time to time by written supplements 
thereto delivered by the Company and accepted in writing by Prudential).

     8H.         OFFERING OF NOTES.  Neither the Company nor any agent acting 
on its behalf has, directly or indirectly, offered the Notes or any similar 
security of the Company for sale to, or solicited any offers to buy the Notes 
or any similar security of the Company from, or otherwise approached or 
negotiated with respect thereto with, any Person other than institutional 
investors, and neither the Company nor any agent acting on its behalf has 
taken or will take any action which would subject the issuance or sale of the 
Notes to the provisions of Section 5 of the Securities Act or to the 
provisions of any securities or Blue Sky law of any applicable jurisdiction.

     8I.         USE OF PROCEEDS. The proceeds of the Series A Notes will be 
used to retire existing indebtedness.  The Company is not engaged 
principally, or as one of its important activities, in the business of 
extending credit for the purpose of purchasing or carrying "margin stock" 
(within the meaning of Regulation U of the Board of Governors of the Federal 
Reserve System), and the aggregate market value of all "margin stock" owned 
by the Company and its Subsidiaries does not exceed 25% of the aggregate 
value of the assets thereof, as determined by any reasonable method.  Neither 
the Company nor any agent acting on its behalf has taken or will 

                                       20
<PAGE>

take any action which might cause this Agreement or the Notes to violate 
Regulation U, Regulation T or any other regulation of the Board of Governors 
of the Federal Reserve System or to violate the Exchange Act, in each case as 
in effect now or as the same may hereafter be in effect.

     8J.         ERISA.  No accumulated funding deficiency (as defined in 
section 302 of ERISA and section 412 of the Code), whether or not waived, 
exists with respect to any Plan (other than a Multiemployer Plan).  No 
liability to the PBGC has been or is expected by the Company or any ERISA 
Affiliate to be incurred with respect to any Plan (other than a Multiemployer 
Plan) by the Company, any Subsidiary or any ERISA Affiliate which is or would 
be materially adverse to the business, property or assets, condition 
(financial or otherwise) or operations of the Company and its Subsidiaries 
taken as a whole.  Neither the Company, any Subsidiary nor any ERISA 
Affiliate has incurred or presently expects to incur any withdrawal liability 
under Title IV of ERISA with respect to any Multiemployer Plan which is or 
would be materially adverse to the business, property or assets, condition 
(financial or otherwise) or operations of the Company and its Subsidiaries 
taken as a whole.  The execution and delivery of this Agreement and the 
issuance and sale of the Notes will be exempt from or will not involve any 
transaction which is subject to the prohibitions of section 406 (a) of ERISA 
and will not involve any transaction in connection with which a tax could be 
imposed pursuant to section 4975(c)(1)(A), (B), (C), or (D) of the Code.  The 
representation by the Company in the next preceding sentence is made in 
reliance upon and subject to the accuracy of the representation of each 
Purchaser in paragraph 9B as to the source of funds to be used by it to 
purchase any Notes and based upon applicable law in existence and in effect 
on the date of this Agreement or the date this representation is remade.

     8K.         GOVERNMENTAL CONSENT.  Neither the nature of the Company or 
of any Subsidiary, nor any of their respective businesses or properties, nor 
any relationship between the Company or any Subsidiary and any other Person, 
nor any circumstance in connection with the offering, issuance, sale or 
delivery of the Notes is such as to require any authorization, consent, 
approval, exemption or any action by or notice to or filing with any court or 
administrative or governmental body (other than routine filings after the 
Closing Day for any Notes with the Securities and Exchange Commission and/or 
state Blue Sky authorities) in connection with the execution and delivery of 
this Agreement, the offering, issuance, sale or delivery of the Notes or 
fulfillment of or compliance with the terms and provisions hereof or of the 
Notes.

     8L.         ENVIRONMENTAL COMPLIANCE.  The Company and its Subsidiaries 
and all of their respective properties and facilities have complied at all 
times and in all respects with all foreign, federal, state, local and 
regional statutes, laws, ordinances and judicial or administrative orders, 
judgments, rulings and regulations relating to protection of the environment 
EXCEPT, in any such case, where failure to comply would not result in a 
material adverse effect on the business, condition (financial or otherwise) 
or operations of the Company and its Subsidiaries taken as a whole.

     8M.         REGULATORY STATUS.  Neither the Company nor any Subsidiary is
(i) an "Investment company" or a company "controlled" by an "investment company"
within the 

                                       21
<PAGE>

meaning of the Investment Company Act of 1940, as amended, (ii) a "holding 
company" or a "subsidiary company" or an "affiliate" of a "holding company" 
or a "subsidiary company" of a "holding company", within the meaning of the 
Public Utility Act of 1935, as amended, or (iii) a "public utility" within 
the meaning of the Federal Power Act, as amended.

     8N.         SECTION 144A.  The Notes are not of the same class as 
securities, if any, of the Company listed on a national securities exchange 
registered under Section 6 of the Exchange Act or quoted in a U.S. automated 
inter-dealer quotation system.

     8O.         ABSENCE OF FINANCING STATEMENTS, ETC.  Except with respect 
to Liens permitted by paragraph 6B(1) hereof, there is no financing 
statement, security agreement, chattel mortgage, real estate mortgage or 
other document filed or recorded with any filing records, registry or other 
public office, that purports to cover, affect or give notice of any present 
or possible future Lien on, or security interest in, any assets or property 
of the Company or any of its Subsidiaries or any rights relating thereto.

     8P.         DISCLOSURE.  Neither this Agreement nor any other document, 
certificate or statement furnished to any Purchaser by or on behalf of the 
Company in connection herewith contains any untrue statement of a material 
fact or omits to state a material fact necessary in order to make the 
statements contained herein and therein not misleading.  There is no fact 
peculiar to the Company or any of its Subsidiaries which materially adversely 
affects or in the future may (so far as the Company can now foresee) 
materially adversely affect the business, property or assets, condition 
(financial or otherwise) or operations of the Company or any of its 
Subsidiaries and which has not been set forth in this Agreement.

     8Q.         HOSTILE TENDER OFFERS.  None of the proceeds of the sale of 
any Notes will be used to finance a Hostile Tender Offer.

     9.          REPRESENTATIONS OF THE PURCHASERS.

                 Each Purchaser represents as follows:

     9A.         NATURE OF PURCHASE.  Such Purchaser is an "accredited 
investor" (as defined in Rule 501 of Regulation D promulgated under the 
Securities Act) and is not acquiring the Notes purchased by it hereunder with 
a view to or for sale in connection with any distribution thereof within the 
meaning of the Securities Act, provided that the disposition of such 
Purchaser's property shall at all times be and remain within its control.

     9B.         SOURCE OF FUNDS.  The source of the funds being used by such 
Purchaser to pay the purchase price of the Notes being purchased by such 
Purchaser  hereunder constitutes assets allocated to:  (i) the "insurance 
company general account" of such Purchaser (as such term is defined under 
Section V of the United States Department of Labor's Prohibited Transaction 
Class Exemption ("PTCE") 95-60), and as of the date of the purchase of the 
Notes such Purchaser satisfies all of the applicable requirements for relief 
under Sections I and IV of PTCE 95-60, (ii) a 

                                       22
<PAGE>

separate account maintained by such Purchaser in which no employee benefit 
plan, other than employee benefit plans identified on a list which has been 
furnished by such Purchaser to the Company, participates to the extent of 10% 
or more and, other than with respect to those Plans identified on such list, 
applicable requirements for relief under PTCE 90-1 are met or (iii) an 
investment fund, the assets of which do not include any assets of any 
employee benefit plan.  For the purpose of this paragraph 9B, the terms 
"SEPARATE ACCOUNT" and "EMPLOYEE BENEFIT PLAN" shall have the respective 
meanings specified in section 3 of ERISA.

     10.         DEFINITIONS; ACCOUNTING MATTERS.  For the purpose of this 
Agreement, the terms defined in paragraphs 10A and 10B (or within the text of 
any other paragraph) shall have the respective meanings specified therein and 
all accounting matters shall be subject to determination as provided in 
paragraph 10C.

     10A.        YIELD-MAINTENANCE TERMS.

                 "Called Principal" shall mean, with respect to any Note, the 
principal of such Note that is to be prepaid pursuant to paragraph 4C, is put 
to the Company pursuant to paragraph 5G or is declared to be immediately due 
and payable pursuant to paragraph 7A, as the context requires.

                 "DISCOUNTED VALUE" shall mean, with respect to the Called 
Principal of any Note, the amount obtained by discounting all Remaining 
Scheduled Payments with respect to such Called Principal from their 
respective scheduled due dates to the Settlement Date with respect to such 
Called Principal, in accordance with accepted financial practice and at a 
discount factor (as converted to reflect the periodic basis on which interest 
on such Note is payable, if payable other than on a semi-annual basis) equal 
to the Reinvestment Yield with respect to such Called Principal.

                 "Reinvestment Yield" shall mean, with respect to the Called 
Principal of any Note, the yield to maturity implied by (i) 0.75% over the 
yields reported, as of 10:00 A.M. (New York City local time) on the Business 
Day next preceding the Settlement Date with respect to such Called Principal, 
on the display designated as "Page 678" on the Telerate Service (or such 
other display as may replace page 678 on the Telerate Service) for actively 
traded U.S. Treasury securities having a maturity equal to the Remaining 
Average Life of such Called Principal as of such Settlement Date, or if such 
yields shall not be reported as of such time or the yields reported as of 
such time shall not be ascertainable, (ii) the Treasury Constant Maturity 
Series yields reported, for the latest day for which such yields shall have 
been so reported as of the Business Day next preceding the Settlement Date 
with respect to such Called Principal, in Federal Reserve Statistical Release 
H.15 (519) (or any comparable successor publication) for actively traded U.S. 
Treasury securities having a constant maturity equal to the Remaining Average 
Life of such Called Principal as of such Settlement Date.  Such implied yield 
shall be determined, if necessary, by (a) converting U.S. Treasury bill 
quotations to bond-equivalent yields in accordance with accepted financial 
practice and (b) interpolating linearly between yields reported for various 
maturities.

                                       23
<PAGE>

                 "REMAINING AVERAGE LIFE" shall mean, with respect to the 
Called Principal of any Note, the number of years (calculated to the nearest 
one-twelfth year) obtained by dividing (i) such Called Principal into (ii) 
the sum of the products obtained by multiplying (a) each Remaining Scheduled 
Payment of such Called Principal (but not of interest thereon) by (b) the 
number of years (calculated to the nearest one-twelfth year) which will 
elapse between the Settlement Date with respect to such Called Principal and 
the scheduled due date of such Remaining Scheduled Payment.

                 "REMAINING SCHEDULED PAYMENTS" shall mean, with respect to 
the Called Principal of any Note, all payments of such Called Principal and 
interest thereon that would be due on or after the Settlement Date with 
respect to such Called Principal if no payment of such Called Principal were 
made prior to its scheduled due date.

                 "SETTLEMENT DATE" shall mean, with respect to the Called 
Principal of any Note, the date on which such Called Principal is to be 
prepaid pursuant to paragraph 4C, is put to the Company pursuant to paragraph 
5G or is declared to be immediately due and payable pursuant to paragraph 7A, 
as the context requires.

                 "YIELD-MAINTENANCE AMOUNT" shall mean, with respect to any 
Note, an amount equal to the excess, if any, of the Discounted Value of the 
Called Principal of such Note over the sum of (i) such Called Principal plus 
(ii) interest accrued thereon as of (including interest due on) the 
Settlement Date with respect to such Called Principal.  The Yield-Maintenance 
Amount shall in no event be less than zero.

     10B.        OTHER TERMS.

                 "ACCEPTANCE" shall have the meaning specified in paragraph 
2B(5).

                 "ACCEPTANCE DAY" shall have the meaning specified in 
paragraph 2B(5).

                 "ACCEPTANCE WINDOW" shall mean, with respect to any interest 
rate quote made by Prudential pursuant to paragraph 2B(4), the time period 
designated by Prudential during which the Company may elect to accept such 
interest rate quote as to not less than $5,000,000 in aggregate principal 
amount of Shelf Notes specified in the related Request for Purchase.

                 "ACCEPTED NOTE" shall have the meaning specified in 
paragraph 2B(5).

                 "AFFILIATE" shall mean any Person directly or indirectly 
controlling, controlled by, or under direct or indirect common control with, 
the Company, except a Subsidiary.  A Person shall be deemed to control a 
corporation if such Person possesses, directly or indirectly, the power to 
direct or cause the direction of the management and policies of such 
corporation, whether through the ownership of voting securities, by contract 
or otherwise.

                                       24
<PAGE>

                 "AUTHORIZED OFFICER" shall mean (i) in the case of the 
Company, its chief executive officer, its chief financial officer, any vice 
president of the Company designated as an "Authorized Officer" of the Company 
in the Information Schedule attached hereto or any vice president of the 
Company designated as an "Authorized Officer" of the Company for the purpose 
of this Agreement in an Officer's Certificate executed by the Company's chief 
executive officer or chief financial officer and delivered to Prudential, and 
(ii) in the case of Prudential, any officer of Prudential designated as its 
"Authorized Officer" in the Information Schedule or any officer of Prudential 
designated as its "Authorized Officer" for the purpose of this Agreement in a 
certificate executed by one of its Authorized Officers.  Any action taken 
under this Agreement on behalf of the Company by any individual who on or 
after the date of this Agreement shall have been an Authorized Officer of the 
Company and whom Prudential in good faith believes to be an Authorized 
Officer of the Company at the time of such action shall be binding on the 
Company even though such individual shall have ceased to be an Authorized 
Officer of the Company, and any action taken under this Agreement on behalf 
of Prudential by any individual who on or after the date of this Agreement 
shall have been an Authorized Officer of Prudential and whom the Company in 
good faith believes to be an Authorized Officer of Prudential at the time of 
such action shall be binding on Prudential even though such individual shall 
have ceased to be an Authorized Officer of Prudential.

                 "AVAILABLE FACILITY AMOUNT" shall have the meaning specified 
in paragraph 2B(1).

                 "BANKRUPTCY LAW" shall have the meaning specified in clause 
(viii) of paragraph 7A.

                 "BUSINESS DAY" shall mean any day other than (i) a Saturday 
or a Sunday, (ii) a day on which commercial banks in New York City are 
required or authorized to be closed and (iii) for purposes of paragraph 2B(3) 
hereof only, a day on which The Prudential Insurance Company of America is 
not open for business.

                 "CANCELLATION DATE" shall have the meaning specified in 
paragraph 2B(8)(iv).

                 "CANCELLATION FEE" shall have the meaning specified in 
paragraph 2B(8)(iv).

                 "Capitalized Lease Obligation" shall mean any rental 
obligation which, under generally accepted accounting principles, is or will 
be required to be capitalized on the books of the Company or any Subsidiary, 
taken at the amount thereof accounted for as indebtedness (net of interest 
expenses) in accordance with such principles.

                 "CHANGE IN CONTROL EVENT" shall mean the acquisition, 
through purchase or otherwise (including the agreement to act in concert 
without anything more), by any Person or group of Persons (other than one or 
more of Randy Marten, his spouse and their descendants and

                                       25
<PAGE>

estates thereof and trusts of which any of the foregoing are jointly or 
severally sole beneficiaries) acting in concert, directly or indirectly, in 
one or more transactions, of (i) beneficial ownership or control of 
securities representing more than 50% of the combined voting power of the 
Company's Voting Stock or (ii) substantially all of the assets of the Company 
and its Subsidiaries taken as a whole.

                 "CLOSING DAY" shall mean, with respect to the Series A 
Notes, the Series A Closing Day and, with respect to any Accepted Note, the 
Business Day specified for the closing of the purchase and sale of such 
Accepted Note in the Request for Purchase of such Accepted Note, PROVIDED 
that (i) if the Company and the Purchaser which is obligated to purchase such 
Accepted Note agree on an earlier Business Day for such closing, the "CLOSING 
DAY" for such Accepted Note shall be such earlier Business Day, and (ii) if 
the closing of the purchase and sale of such Accepted Note is rescheduled 
pursuant to paragraph 2B(7), the Closing Day for such Accepted Note, for all 
purposes of this Agreement except references to "original Closing Day" in 
paragraph 2B(8)(iii), shall mean the Rescheduled Closing Day with respect to 
such Accepted Note.

                 "CODE" shall mean the Internal Revenue Code of 1986, as 
amended.

                 "COMPETITOR" shall mean and include any Person  which has 
the following Standard Industrial Classification Code ("SIC Codes"): 4213.

                 "CONFIDENTIAL INFORMATION" shall mean any non-public or 
proprietary information delivered or made available by or on behalf of the 
Company or any Subsidiary to a Purchaser or a Transferee (as the case may 
be), including without limitation any non-public information obtained 
pursuant to paragraph 5A or 5C, in connection with or pursuant to this 
Agreement which is proprietary in nature, but in no event shall include 
information (i) which was publicly known or otherwise known to such Purchaser 
or Transferee (as the case may be) at the time of disclosure (except pursuant 
to disclosure in connection with this Agreement), (ii) which subsequently 
becomes publicly known through no act or omission by such Purchaser or 
Transferee (as the case may be), or (iii) which otherwise becomes known to 
such Purchaser or Transferee, other than through disclosure by the Company or 
from a Person obligated not to disclose under this Agreement.

                 "CONFIRMATION OF ACCEPTANCE" shall have the meaning 
specified in paragraph 2B(5).

                 "CONSOLIDATED" shall mean the consolidation of the accounts 
of the Company and its Subsidiaries in accordance with generally accepted 
accounting principles including principles of consolidation.

                 "CONSOLIDATED ADJUSTED GROSS WORTH" shall mean the sum of 
(i) Consolidated Net Worth, (ii) consolidated deferred income taxes and (iii) 
Consolidated Debt.

                                       26
<PAGE>

                 "CONSOLIDATED DEBT" shall mean the Debt of the Company and 
all Subsidiaries after giving effect to intercompany eliminations arising 
from the consolidation of financial statements in accordance with generally 
accepted accounting principles.

                 "CONSOLIDATED GROSS WORTH" shall mean the Consolidated Net 
Worth plus Consolidated Debt.

                 "CONSOLIDATED NET INCOME" shall mean, with respect to any 
period, the net income of the Company and its Subsidiaries determined on a 
consolidated basis in accordance with generally accepted accounting 
principles, excluding extraordinary gains and losses and non-cash charges.

                 "CONSOLIDATED NET WORTH" shall mean, as of any time of 
determination thereof, the sum of (i) the par value (or value stated on the 
books of the Company) of the capital stock of all classes of the Company, 
plus (or minus in the case of a surplus deficit) (ii) the amount of the 
consolidated surplus, whether capital or earned, of the Company and its 
Subsidiaries after subtracting therefrom the aggregate of treasury stock and 
any other contra-equity accounts including, without limitation, minority 
interests; all determined in accordance with generally accepted accounting 
principles.

                 "DEBT" shall mean and include, (i) any obligation which 
under generally accepted accounting principles is shown on the balance sheet 
as a liability (including capitalized lease obligations) but excluding: (a) 
reserves for deferred income taxes, (b) reserves for employee 
retirement-related benefits, (c) other reserves to the extent that such 
reserves do not constitute an obligation; and (d) current liabilities other 
than current maturities of Debt (ii) indebtedness which is secured by any 
Lien on property owned by the Company or any Subsidiary; (iii) Guarantees in 
connection with the obligations, stock or dividends of any Person.

                 "DELAYED DELIVERY FEE" shall have the meaning specified in 
paragraph 2B(8)(iii).

                 "EBITDA" shall mean, with respect to the Company and its 
Subsidiaries on a consolidated basis, the sum of (i) Consolidated Net Income, 
(ii) income tax expense (iii) interest expense, (iv) depreciation expense and 
(v) amortization expense, all determined in accordance with generally 
accepted accounting principles.

                 "ERISA" shall mean the Employee Retirement Income Security 
Act of 1974, as amended.

                 "ERISA AFFILIATE" shall mean any corporation which is a 
member of the same controlled group of corporations as the Company within the 
meaning of section 414(b) of the Code, or any trade or business which is 
under common control with the Company within the meaning of section 414(c) of 
the Code.

                                       27
<PAGE>

                 "EVENT OF DEFAULT" shall mean any of the events specified in 
paragraph 7A, provided that there has been satisfied any requirement in 
connection with such event for the giving of notice, or the lapse of time, or 
the happening of any further condition, event or act, and "DEFAULT" shall 
mean any of such events, whether or not any such requirement has been 
satisfied.

                 "EXCHANGE ACT" shall mean the Securities Exchange Act of 
1934, as amended.

                 "FACILITY" shall have the meaning specified in paragraph 
2B(1).

                 "GUARANTEE" shall mean, with respect to any Person, any 
direct or indirect liability, contingent or otherwise, of such Person with 
respect to any indebtedness, lease, dividend or other obligation of another, 
including, without limitation, any such obligation directly or indirectly 
guaranteed, endorsed (otherwise than for collection or deposit in the 
ordinary course of business) or discounted or sold with recourse by such 
Person, or in respect of which such Person is otherwise directly or 
indirectly liable, including, without limitation, any such obligation in 
effect guaranteed by such Person through any agreement (contingent or 
otherwise) to purchase, repurchase or otherwise acquire such obligation or 
any security therefor, or to provide funds for the payment or discharge of 
such obligation (whether in the form of loans, advances, stock purchases, 
capital contributions or otherwise), or to maintain the solvency or any 
balance sheet or other financial condition of the obligor of such obligation, 
or to make payment for any products, materials or supplies or for any 
transportation or service, regardless of the non-delivery or non-furnishing 
thereof, in any such case if the purpose or intent of such agreement is to 
provide assurance that such obligation will be paid or discharged, or that 
any agreements relating thereto will be complied with, or that the holders of 
such obligation will be protected against loss in respect thereof.  The 
amount of any Guarantee shall be equal to the outstanding principal amount of 
the obligation guaranteed or such lesser amount to which the maximum exposure 
of the guarantor shall have been specifically limited.

                 "HEDGE TREASURY NOTE(s)" shall mean, with respect to any 
Accepted Note, the United States Treasury Note or Notes whose duration (as 
determined by Prudential) most closely matches the duration of such Accepted 
Note.

                 "HOSTILE TENDER OFFER" shall mean, with respect to the use 
of proceeds of any Note, any offer to purchase, or any purchase of, shares of 
capital stock of any corporation or equity interests in any other entity, or 
securities convertible into or representing the beneficial ownership of, or 
rights to acquire, any such shares or equity interests, if such shares, 
equity interests, securities or rights are of a class which is publicly 
traded on any securities exchange or in any over-the-counter market, other 
than purchases of such shares, equity interests, securities or rights 
representing less than 5% of the equity interests or beneficial ownership of 
such corporation or other entity for portfolio investment purposes, and such 
offer or purchase has not been duly approved by the board of directors of 
such corporation or the equivalent governing body of such other entity prior 
to the date on which the Company makes the Request for Purchase of such Note.

                                       28
<PAGE>

                 "INCLUDING" shall mean, unless the context clearly requires 
otherwise, "including without limitation".

                 "INSTITUTIONAL INVESTOR" shall mean any insurance company, 
bank, finance company, mutual fund, registered money or asset manager, 
savings and loan association, credit union, registered investment advisor, 
pension fund, investment company, licensed broker or dealer, "qualified 
institutional buyer" (as such term is defined under Rule 144A promulgated 
under the Securities Act, or any successor law, rule or regulation) or 
"accredited investor" (as such term is defined under Regulation D promulgated 
under the Securities Act, or any successor law, rule or regulation).

                 "ISSUANCE PERIOD" shall have the meaning specified in 
paragraph 2B(2).

                 "Lien" shall mean any mortgage, pledge, security interest, 
encumbrance, lien (statutory or otherwise) or charge of any kind (including 
any agreement to give any of the foregoing, any conditional sale or other 
title retention agreement, any lease in the nature thereof, and the filing of 
or agreement to give any financing statement under the Uniform Commercial 
Code of any jurisdiction) or any other type of preferential arrangement for 
the purpose, or having the effect, of protecting a creditor against loss or 
securing the payment or performance of an obligation.

                 "MULTIEMPLOYER PLAN" shall mean any Plan which is a 
"multiemployer plan" (as such term is defined in section 4001(a)(3) of ERISA.

                 "NOTES" shall have the meaning specified in paragraph 1B.

                 "OFFICER'S CERTIFICATE" shall mean a certificate signed in 
the name of the Company by an Authorized Officer of the Company.

                 "PERSON" shall mean and include an individual, a 
partnership, a joint venture, a corporation, a trust, an unincorporated 
organization and a government or any department or agency thereof.

                 "PLAN" shall mean any employee pension benefit plan (as such 
term is defined in section 3 of ERISA) which is or has been established or 
maintained, or to which contributions are or have been made, by the Company 
or any ERISA Affiliate.

                 "PRIORITY DEBT" shall mean the sum of (i) Debt of the 
Company which is secured by a Lien and (ii) Debt of any Subsidiary 
(including, but not limited to, any Debt of a Subsidiary which consists of a 
Guarantee of Debt of the Company), excluding however Debt of Subsidiaries 
owing to the Company or any Wholly-Owned Subsidiary.

                 "PRUDENTIAL" shall mean The Prudential Insurance Company of 
America.

                 "PRUDENTIAL AFFILIATE" shall mean any Affiliate of 
Prudential.

                                       29
<PAGE>

                 "PURCHASERS" shall mean Prudential with respect to the 
Series A Notes and, with respect to any Accepted Notes, Prudential and/or the 
Prudential Affiliate(s), which are purchasing such Accepted Notes.

                 "RELATED PARTY" shall mean (i) any Significant Stockholder, 
(ii) all persons to whom any Significant Stockholder is related by blood, 
adoption or marriage and (iii) all Affiliates of the foregoing Persons.

                 "REQUEST FOR PURCHASE" shall have the meaning specified in 
paragraph 2B(3).

                 "Required Holder(s)" shall mean the holder or holders of at 
least 51% of the aggregate principal amount of the Notes or of a Series of 
Notes, as the context may require, from time to time outstanding.

                 "RESCHEDULED CLOSING DAY" shall have the meaning specified 
in paragraph 2B(7).

                 "RESPONSIBLE OFFICER" shall mean the chief executive 
officer, chief operating officer, chief financial officer or chief accounting 
officer of the Company, general counsel of the Company or any other officer 
of the Company involved principally in its financial administration or its 
controllership function.

                 "SECURITIES ACT" shall mean the Securities Act of 1933, as 
amended.

                 "SERIES" shall have the meaning specified in paragraph 1B.

                 "SERIES A CLOSING DAY" shall have the meaning specified in 
paragraph 2A.

                 "SERIES A NOTE(s)" shall have the meaning specified in 
paragraph 1A.

                 "SHELF NOTES" shall have the meaning specified in paragraph 
1B.

                 "SIGNIFICANT HOLDER" shall mean (i) Prudential, so long as 
Prudential or any  Prudential Affiliate shall hold (or be committed under 
this Agreement to purchase) any Note, and (ii) any other holder of at least 
10% of the aggregate principal amount of the Notes from time to time 
outstanding.

                 "SIGNIFICANT STOCKHOLDER" shall mean and include any Person 
who owns, beneficially or of record, directly or indirectly, at any time 
during any year with respect to which a computation is being made, either 
individually or together with all persons to whom such Person is related by 
blood, adoption or marriage, 5% or more of the Voting Stock of the Company.

                                       30
<PAGE>

                 "STRUCTURING FEE" shall have the meaning specified in 
paragraph 2B(8)(i).

                 "SUBSIDIARY" shall mean any corporation of which at least 
51% of the total combined voting power of all classes of Voting Stock of 
which shall, at the time as of which any determination is being made, be 
owned by the Company either directly or through Subsidiaries.

                 "TRANSFER" shall mean, with respect to any item, the sale, 
exchange, conveyance, lease, transfer or other disposition of such item.

                 "TRANSFEREE" shall mean any direct or indirect transferee of 
all or any part of any Note purchased by any Purchaser under this Agreement.

                 "VOTING STOCK" shall mean, with respect to any corporation, 
any shares of stock of such corporation whose holders are entitled under 
ordinary circumstances to vote for the election of directors of such 
corporation (irrespective of whether at the time stock of any other class or 
classes shall have or might have voting power by reason of the happening of 
any contingency).

                 "WHOLLY-OWNED SUBSIDIARY" shall mean any Subsidiary all of 
the stock of every class of which is, at the time as of which any 
determination is being made, owned by the Company either directly or through 
a wholly-owned Subsidiary.

     10C.        ACCOUNTING PRINCIPLES, TERMS AND DETERMINATIONS.  All 
references in this Agreement to "generally accepted accounting principles" 
shall be deemed to refer to generally accepted accounting principles in 
effect in the United States at the time of application thereof.  Unless 
otherwise specified herein, all accounting terms used herein shall be 
interpreted, all determinations with respect to accounting matters hereunder 
shall be made, and all unaudited financial statements and certificates and 
reports as to financial matters required to be furnished hereunder shall be 
prepared, in accordance with generally accepted accounting principles applied 
on a basis consistent with the most recent audited financial statements 
delivered pursuant to clause (ii) of paragraph 5A or, if no such statements 
have been so delivered, the most recent audited financial statements referred 
to in clause (i) of paragraph 8B. Any reference herein to any specific law, 
statute, rule or regulation shall refer to such law, statute, rule or 
regulation as the same may be may be modified, amended or replaced from time 
to time.

     11.         MISCELLANEOUS.

     11A.        NOTE PAYMENTS.  The Company agrees that, so long as any 
Purchaser shall hold any Note, it will make payments of principal of, 
interest on, and any Yield-Maintenance Amount payable with respect to, such 
Note, which comply with the terms of this Agreement, by wire transfer of 
immediately available funds for credit (not later than 12:00 noon, New York 
City local time, on the date due) to (i) the account or accounts of such 
Purchaser specified in the Purchaser Schedule attached hereto in the case of 
any Series A Note, (ii) the account or accounts of such Purchaser specified 
in the Confirmation of Acceptance with respect to such Note in the case of 
any Shelf Note or (iii) such other account or accounts in the United States 
as such Purchaser may 

                                       31
<PAGE>

from time to time designate in writing, notwithstanding any contrary 
provision herein or in any Note with respect to the place of payment.  Each 
Purchaser agrees that, before disposing of any Note, it will make a notation 
thereon (or on a schedule attached thereto) of all principal payments 
previously made thereon and of the date to which interest thereon has been 
paid.  The Company agrees to afford the benefits of this paragraph 11A to any 
Transferee which shall have made the same agreement as the Purchasers have 
made in this paragraph 11A.

     11B.        EXPENSES.  The Company agrees, whether or not the 
transactions contemplated hereby shall be consummated, to pay, and save 
Prudential, each Purchaser and any Transferee harmless against liability for 
the payment of, all out-of-pocket expenses arising in connection with such 
transactions, including (i) all document production and duplication charges 
and the fees and expenses of any special counsel engaged by the Purchasers or 
any Transferee in connection with this Agreement, the transactions 
contemplated hereby and any subsequent proposed modification of, or proposed 
consent under, this Agreement, whether or not such proposed modification 
shall be effected or proposed consent granted, and (ii) the costs and 
expenses, including attorneys' fees, incurred by any Purchaser or any 
Transferee in enforcing (or determining whether or how to enforce) any rights 
under this Agreement or the Notes or in responding to any subpoena or other 
legal process or informal investigative demand issued in connection with this 
Agreement or the transactions contemplated hereby or by reason of any 
Purchaser's or any Transferee's having acquired any Note, including without 
limitation costs and expenses incurred in any bankruptcy case. The 
obligations of the Company under this paragraph 11B shall survive the 
transfer of any Note or portion thereof or interest therein by any Purchaser 
or any Transferee and the payment of any Note.

     11C.        CONSENT TO AMENDMENTS.  This Agreement may be amended, and the
Company may take any action herein prohibited, or omit to perform any act herein
required to be performed by it, if the Company shall obtain the written consent
to such amendment, action or omission to act, of the Required Holder(s) of the
Notes of each Series except that, (i) with the written consent of the holders of
all Notes of a particular Series, and if an Event of Default shall have occurred
and be continuing, of the holders of all Notes of all Series, at the time
outstanding (and such written consents), the Notes of such Series may be amended
or the provisions thereof waived to change the maturity thereof, to change or
affect the principal thereof, or to change or affect the rate or time of payment
of interest on or any Yield-Maintenance Amount payable with respect to the Notes
of such Series, (ii) without the written consent of the holder or holders of all
Notes at the time outstanding, no amendment to or waiver of the provisions of
this Agreement shall change or affect the provisions of paragraph 7A or this
paragraph 11C insofar as such provisions relate to proportions of the principal
amount of the Notes of any Series, or the rights of any individual holder of
Notes, required with respect to any declaration of Notes to be due and payable
or with respect to any consent, amendment, waiver or declaration, (iii) with the
written consent of Prudential (and without the consent of any other holder of
the Notes) the provisions of paragraph 2B may be amended or waived (except
insofar as any such amendment or waiver would affect any rights or obligations
with respect to the purchase and sale of Notes which shall have become Accepted
Notes prior to such amendment or waiver), and (iv) with the written consent of
all of the Purchasers which shall have become obligated to purchase Accepted
Notes of any Series (and not 

                                       32
<PAGE>

without the written consent of all such Purchasers), any of the provisions of 
paragraphs 2B and 3 may be amended or waived insofar as such amendment or 
waiver would affect only rights or obligations with respect to the purchase 
and sale of the Accepted Notes of such Series or the terms and provisions of 
such Accepted Notes.  Each holder of any Note at the time or thereafter 
outstanding shall be bound by any consent authorized by this paragraph 11C, 
whether or not such Note shall have been marked to indicate such consent, but 
any Notes issued thereafter may bear a notation referring to any such 
consent.  No course of dealing between the Company and the holder of any Note 
nor any delay in exercising any rights hereunder or under any Note shall 
operate as a waiver of any rights of any holder of such Note.  As used herein 
and in the Notes, the term "THIS AGREEMENT" and references thereto shall mean 
this Agreement as it may from time to time be amended or supplemented.

     11D.        FORM, REGISTRATION, TRANSFER AND EXCHANGE OF NOTES; LOST 
NOTES.  The Notes are issuable as registered notes without coupons in 
denominations of at least $1,000,000, except as may be necessary to reflect 
any principal amount not evenly divisible by $1,000,000.  The Company shall 
keep at its principal office a register in which the Company shall provide 
for the registration of Notes and of transfers of Notes.  Upon surrender for 
registration of transfer of any Note at the principal office of the Company, 
the Company shall, at its expense, execute and deliver one or more new Notes 
of like tenor and of a like then aggregate outstanding principal amount, 
registered in the name of such transferee or transferees.  At the option of 
the holder of any Note, such Note may be exchanged for other Notes of like 
tenor and of any authorized denominations, of a like aggregate principal 
amount, upon surrender of the Note to be exchanged at the principal office of 
the Company.  Whenever any Notes are so surrendered for exchange, the Company 
shall, at its expense, execute and deliver the Notes which the holder making 
the exchange is entitled to receive.  Each prepayment of principal payable on 
each prepayment date upon each new Note issued upon any such transfer or 
exchange shall be in the same proportion to the unpaid principal amount of 
such new Note as the prepayment of principal payable on such date on the Note 
surrendered for registration of transfer or exchange bore to the unpaid 
principal amount of such Note.  No reference need be made in any such new 
Note to any prepayment or prepayments of principal previously due and paid 
upon the Note surrendered for registration of transfer or exchange.  Every 
Note surrendered for registration of transfer or exchange shall be duly 
endorsed, or be accompanied by a written instrument of transfer duly 
executed, by the holder of such Note or such holder's attorney duly 
authorized in writing.  Any Note or Notes issued in exchange for any Note or 
upon transfer thereof shall carry the rights to unpaid interest and interest 
to accrue which were carried by the Note so exchanged or transferred, so that 
neither gain nor loss of interest shall result from any such transfer or 
exchange.  Upon receipt of written notice from the holder of any Note of the 
loss, theft, destruction or mutilation of such Note and, in the case of any 
such loss, theft or destruction, upon receipt of such holder's unsecured 
indemnity agreement, or in the case of any such mutilation upon surrender and 
cancellation of such Note, the Company will make and deliver a new Note, of 
like tenor, in lieu of the lost, stolen, destroyed or mutilated Note.

     11E.        PERSONS DEEMED OWNERS; PARTICIPATIONS.  Prior to due 
presentment for registration of transfer, the Company may treat the Person in 
whose name any Note is registered as the owner and holder of such Note for 
the purpose of receiving payment of principal of and interest 

                                       33
<PAGE>

on, and any Yield-Maintenance Amount payable with respect to, such Note and 
for all other purposes whatsoever, whether or not such Note shall be overdue, 
and the Company shall not be affected by notice to the contrary.  Subject to 
the preceding sentence, the holder of any Note may from time to time grant 
participations in all or any part of such Note to any Person on such terms 
and conditions as may be determined by such holder in its sole and absolute 
discretion.

     11F.        SURVIVAL OF REPRESENTATIONS AND WARRANTIES; ENTIRE 
AGREEMENT. All representations and warranties contained herein or made in 
writing by or on behalf of the Company in connection herewith shall survive 
the execution and delivery of this Agreement and the Notes, the transfer by 
any Purchaser of any Note or portion thereof or interest therein and the 
payment of any Note, and may be relied upon by any Transferee, regardless of 
any investigation made at any time by or on behalf of any Purchaser or any 
Transferee.  Subject to the preceding sentence, this Agreement and the Notes 
embody the entire agreement and understanding between the parties hereto with 
respect to the subject matter hereof and supersede all prior agreements and 
understandings relating to such subject matter.

     11G.        SUCCESSORS AND ASSIGNS.  All covenants and other agreements 
in this Agreement contained by or on behalf of any of the parties hereto 
shall bind and inure to the benefit of the respective successors and assigns 
of the parties hereto (including, without limitation, any Transferee) whether 
so expressed or not.

     11H.        INDEPENDENCE OF COVENANTS.  All covenants hereunder shall be 
given independent effect so that if a particular action or condition is 
prohibited by any one of such covenants, the fact that it would be permitted 
by an exception to, or otherwise be in compliance within the limitations of, 
another covenant shall not avoid (i) the occurrence of a Default or Event of 
Default if such action is taken or such condition exists or (ii) in any way 
prejudice an attempt by the holder of any Note to prohibit through equitable 
action or otherwise the taking of any action by the Company or any Subsidiary 
which would result in a Default or Event of Default.

     11I.        NOTICES.  All written communications provided for hereunder
(other than communications provided for under paragraph 2) shall be sent by
first class mail or nationwide overnight delivery service (with charges prepaid)
and (i) if to any Purchaser, addressed as specified for such communications in
the Purchaser Schedule attached hereto (in the case of the Series A Notes) or
the Purchaser Schedule attached to the applicable Confirmation of Acceptance (in
the case of any Shelf Notes) or at such other address as any such Purchaser
shall have specified to the Company in writing, (ii) if to any other holder of
any Note, addressed to it at such address as it shall have specified in writing
to the Company or, if any such holder shall not have so specified an address,
then addressed to such holder in care of the last holder of such Note which
shall have so specified an address to the Company and (iii) if to the Company,
addressed to it at MARTEN TRANSPORT, LTD., 129 Marten Street, Mondovi, Wisconsin
54755, Attention:  Chief Financial Officer, PROVIDED, HOWEVER, that any such
communication to the Company may in addition, at the option of the Person
sending such communication, be delivered by any other means either to the
Company at its address specified above or to any Authorized Officer of the
Company.  Any communication pursuant to paragraph 2 shall be made by the method
specified for such 

                                       34
<PAGE>

communication in paragraph 2, and shall be effective to create any rights or 
obligations under this Agreement only if, in the case of a telephone 
communication, an Authorized Officer of the party conveying the information 
and of the party receiving the information are parties to the telephone call, 
and in the case of a telecopier communication, the communication is signed by 
an Authorized Officer of the party conveying the information, addressed to 
the attention of an Authorized Officer of the party receiving the 
information, and in fact received at the telecopier terminal the number of 
which is listed for the party receiving the communication in the Information 
Schedule or at such other telecopier terminal as the party receiving the 
information shall have specified in writing to the party sending such 
information.

     11J.        PAYMENTS DUE ON NON-BUSINESS DAYS.  Anything in this 
Agreement or the Notes to the contrary notwithstanding, any payment of 
principal of or interest on, or Yield-Maintenance Amount payable with respect 
to, any Note that is due on a date other than a Business Day shall be made on 
the next succeeding Business Day.  If the date for any payment is extended to 
the next succeeding Business Day by reason of the preceding sentence, the 
period of such extension shall not be included in the computation of the 
interest payable on such Business Day.

     11K.        SEVERABILITY.  Any provision of this Agreement which is 
prohibited or unenforceable in any jurisdiction shall, as to such 
jurisdiction, be ineffective to the extent of such prohibition or 
unenforceability without invalidating the remaining provisions hereof, and 
any such prohibition or unenforceability in any jurisdiction shall not 
invalidate or render unenforceable such provision in any other jurisdiction.

     11L.        DESCRIPTIVE HEADINGS.  The descriptive headings of the 
several paragraphs of this Agreement are inserted for convenience only and do 
not constitute a part of this Agreement.

     11M.        SATISFACTION REQUIREMENT.  If any agreement, certificate or 
other writing, or any action taken or to be taken, is by the terms of this 
Agreement required to be satisfactory to any Purchaser, to any holder of 
Notes or to the Required Holder(s), the determination of such satisfaction 
shall be made by such Purchaser, such holder or the Required Holder(s), as 
the case may be, in the sole and exclusive judgment (exercised in good faith) 
of the Person or Persons making such determination.

     11N.        GOVERNING LAW.  THIS AGREEMENT SHALL BE CONSTRUED AND 
ENFORCED IN ACCORDANCE WITH, AND THE RIGHTS OF THE PARTIES SHALL BE GOVERNED 
BY, THE INTERNAL LAW OF THE STATE OF ILLINOIS.

     11O.        SEVERALTY OF OBLIGATIONS.  The sales of Notes to the 
Purchasers are to be several sales, and the obligations of Prudential and the 
Purchasers under this Agreement are several obligations.  No failure by 
Prudential or any Purchaser to perform its obligations under this Agreement 
shall relieve any other Purchaser or the Company of any of its obligations 
hereunder, and neither Prudential nor any Purchaser shall be responsible for 
the obligations of, or any action taken or omitted by, any other such Person 
hereunder.

                                       35
<PAGE>

     11P.        COUNTERPARTS.  This Agreement may be executed in any number 
of counterparts, each of which shall be an original, but all of which 
together shall constitute one instrument.

     11Q.        CONFIDENTIALITY PROVISIONS.  Each Purchaser (and each 
Transferee by its acceptance of an interest in any Note) agrees, so long as 
no Event of Default is continuing under paragraphs 7A(i), (ii), (viii), (ix) 
or (x), that it will use its best efforts to hold in confidence and not 
disclose any Confidential Information without the prior written consent of 
the Company which consent shall not be unreasonably denied; provided, 
however, that nothing contained herein shall prevent the holder of any Note 
from delivering copies of any financial statements and other documents 
delivered to such holder, and disclosing any other information disclosed to 
such holder, by the Company or any Subsidiary in connection with or pursuant 
to this Agreement to (i) such holder's directors, officers, employees, agents 
and professional consultants, (ii) any other holder of any Note, (iii) any 
Institutional Investor to which such holder offers to sell such Note or any 
part thereof, (iv) any Institutional Investor to which such holder sells or 
offers to sell a participation in all or any part of such Note, (v) any 
Institutional Investor from which such holder offers to purchase any security 
of the Company, (vi) any federal or state regulatory authority having 
jurisdiction over such holder, (vii) the National Association of Insurance 
Commissioners or any similar organization or (viii) any other Person which is 
not a Competitor to which such delivery or disclosure may be reasonably 
necessary or appropriate (a) in compliance with any law, rule, regulation or 
order applicable to such holder, (b) in response to any subpoena or other 
legal process or investigative demand, (c) in connection with any litigation 
in connection with this Agreement to which such holder is a party or (d) in 
order to protect such holder's investment and enforce the rights of such 
holder under this Agreement; and provided further that after notice to the 
Company the holders of the Notes shall be free to correct any false or 
misleading information which may become public concerning their relationship 
to the Company or any of its Subsidiaries. Each Purchaser and each Transferee 
may in good faith conclusively rely on a certificate of a proposed purchaser 
of the Note(s) addressed and delivered to the Company and such Purchaser or 
Transferee to the effect that such proposed purchaser of the Note(s) is not a 
Competitor, provided that the Company has not, by written notice to such 
Purchaser or Transferee delivered within five Business Days after the 
Company's receipt of such certificate, objected to such reliance on the 
grounds that the Company in good faith reasonably believes such proposed 
purchaser of the Note(s) is a Competitor.

     11R.        TRANSFER RESTRICTIONS.  Each holder of a Note agrees that it 
will not sell, assign or otherwise transfer a Note (i) so long as no Event of 
Default is continuing under paragraphs 7A(i), (ii), (viii), (ix) or (x), to 
any Person who is a Competitor (determined in accordance with the last 
sentence of paragraph 11Q), or (ii) to any Person who is not a United States 
Person unless the transferee represents and warrants to such holder that, as 
of the date of proposed transfer, it is entitled to receive interest payments 
without withholding or deduction of any taxes and such transferee executes 
and delivers to such holder on or before the date of transfer, a United 
States Internal Revenue Service Form 1001 or 4224, or any successor to either 
such forms, as appropriate, properly completed and claiming complete 
exemption from withholding and deduction of all United States Federal income 
taxes.  As used herein "UNITED STATES PERSON" 

                                       36
<PAGE>

means any citizen, national or resident of the United States, any corporation 
or other entity created or organized in or under the laws of the United 
States or any political subdivision thereof, or any estate or trust that, in 
the case of any such estate or trust, is not subject to withholding of United 
States Federal income taxes or other taxes on payment of interest or fees 
hereunder.

                           [SIGNATURES ON FOLLOWING PAGE]

                                       37
<PAGE>

     11S.        BINDING AGREEMENT.  When this Agreement is executed and 
delivered by the Company and Prudential, it shall become a binding agreement 
between the Company and Prudential.  This Agreement shall also inure to and 
each such Purchaser shall be bound by this Agreement to the extent provided 
in such Confirmation of Acceptance.

                                        Very truly yours,

                                        MARTEN TRANSPORT, LTD.

                                        By:
                                            --------------------------------
                                        Name:     Darrel D. Rubel
                                        Title:    Executive Vice President
                                                 and Chief Financial Officer

The foregoing Agreement is
hereby accepted as of the
date first above written.

THE PRUDENTIAL INSURANCE
   COMPANY OF AMERICA

By:
    -----------------------------
           Vice President


                                       38
<PAGE>

                                                                    EXHIBIT A-1


                               [FORM OF SERIES A NOTE]

                                MARTEN TRANSPORT, LTD.

                   6.78%  SENIOR SERIES A NOTE DUE OCTOBER 30, 2008


No. 1998 R-A1                                                 Chicago, Illinois
$25,000,000                                                    October 30, 1998


     FOR VALUE RECEIVED, the undersigned, MARTEN TRANSPORT, LTD., (herein 
called the "Company"), a corporation organized and existing under the laws of 
the State of Delaware, hereby promises to pay to THE PRUDENTIAL INSURANCE 
COMPANY OF AMERICA, or registered assigns, the principal sum of TWENTY-FIVE 
MILLION DOLLARS on October 30, 2008, with interest (computed on the basis of 
a 360-day year--30-day month) (a) on the unpaid balance thereof at the rate 
of 6.78% per annum from the date hereof, payable on each January 30, April 
30, July 30 and October 30, in each year, commencing on January 30, 1999, 
until the principal hereof shall have become due and payable, and (b) on any 
overdue payment (including any overdue prepayment) of principal, any overdue 
payment of Yield-Maintenance Amount and any overdue payment of interest, 
payable quarterly as aforesaid (or, at the option of the registered holder 
hereof, on demand), at a rate per annum from time to time equal to the 
greater of (i) 8.78% or (ii) 2.00% over the rate of interest publicly 
announced by Morgan Guaranty Trust Company of New York from time to time in 
New York City as its Prime Rate.

     Payments of principal, Yield-Maintenance Amount, if any, and interest 
are to be made at the main office of Bank of New York in New York City or at 
such other place as the holder hereof shall designate to the Company in 
writing, in lawful money of the United States of America.

     This Note is one of a series of Senior Notes (herein called the "Notes") 
issued pursuant to a Note Purchase and Private Shelf Agreement, dated as of 
October 30, 1998 (herein called the "Agreement"), between the Company, on the 
one hand, and The Prudential Insurance Company of America, and each 
Prudential Affiliate which becomes party thereto, on the other hand, and is 
entitled to the benefits thereof.  As provided in the Agreement, this Note is 
subject to prepayment, in whole or from time to time in part, in certain 
cases without Yield-Maintenance Amount and in other cases with the 
Yield-Maintenance Amount specified in the Agreement.

                                      A-1-1
<PAGE>

     This Note is a registered Note and, as provided in the Agreement, upon 
surrender of this Note for registration of transfer, duly endorsed, or 
accompanied by a written instrument of transfer duly executed, by the 
registered holder hereof or such holder's attorney duly authorized in 
writing, a new Note for the then outstanding principal amount will be issued 
to, and registered in the name of, the transferee.  Prior to due presentment 
for registration of transfer, the Company may treat the person in whose name 
this Note is registered as the owner hereof for the purpose of receiving 
payment and for all other purposes, and the Company shall not be affected by 
any notice to the contrary.

     In case an Event of Default shall occur and be continuing, the principal 
of this Note may be declared or otherwise become due and payable in the 
manner and with the effect provided in the Agreement.

     Capitalized terms used and not otherwise defined herein shall have the 
meanings (if any) provided in the Agreement.

     This Note is intended to be performed in the State of Illinois and shall 
be construed and enforced in accordance with the internal law of such State.

                                        MARTEN TRANSPORT, LTD.


                                        By:
                                            ----------------------------------
                                        Title:
                                              --------------------------------


                                      A-1-2

<PAGE>
                                       
                                CREDIT AGREEMENT


     THIS CREDIT AGREEMENT, dated as of October 30, 1998, is by and between 
MARTEN TRANSPORT, LTD., a Delaware corporation (the "Borrower"), the banks 
which are signatories hereto (individually, a "Bank" and, collectively, the 
"Banks") and U.S. BANK NATIONAL ASSOCIATION, a national banking association, 
one of the Banks, as agent for the Banks (in such capacity, the "Agent").

                                   ARTICLE I

                        DEFINITIONS AND ACCOUNTING TERMS

     Section 1.1   DEFINED TERMS.  As used in this Agreement the following 
terms shall have the following respective meanings (and such meanings shall 
be equally applicable to both the singular and plural form of the terms 
defined, as the context may require):

              "ADJUSTED EURODOLLAR RATE":  With respect to each Interest 
     Period applicable to a Eurodollar Rate Advance, the rate (rounded 
     upward, if necessary, to the next one hundredth of one percent) 
     determined by dividing the Eurodollar Rate for such Interest Period by 
     1.00 minus the Eurodollar Reserve Percentage.

              "ADMINISTRATIVE FEE":  As defined in Section 2.16.

              "ADVANCE":  Any portion of the outstanding Revolving Loans by a 
     Bank as to which one of the available interest rate options and, if 
     pertinent, an Interest Period, is applicable.  An Advance may be a 
     Eurodollar Rate Advance or a Reference Rate Advance.

              "AFFILIATE":  When used with reference to any Person, (a) each 
     Person that, directly or indirectly, controls, is controlled by or is 
     under common control with, the Person referred to, (b) each Person which 
     beneficially owns or holds, directly or indirectly, five percent or more 
     of any class of voting stock of the Person referred to (or if the Person 
     referred to is not a corporation, five percent or more of the equity 
     interest), (c) each Person, five percent or more of the voting stock (or 
     if such Person is not a corporation, five percent or more of the equity 
     interest) of which is beneficially owned or held, directly or 
     indirectly, by the Person referred to, and (d) each of such Person's 
     officers, directors, joint venturers and partners.  The term control 
     (including the terms 

                                      -1-
<PAGE>

     "controlled by" and "under common control with") means the possession, 
     directly, of the power to direct or cause the direction of the 
     management and policies of the Person in question.

              "AGENT":  As defined in the opening paragraph hereof.

              "AGGREGATE REVOLVING COMMITMENT AMOUNTS":  As of any date, the 
     sum of the Revolving Commitment Amounts of all the Banks.

              "APPLICABLE LENDING OFFICE":  For each Bank and for each type 
     of Advance, the office of such Bank identified as such Bank's Applicable 
     Lending Office on the signature pages hereof or such other domestic or 
     foreign office of such Bank (or of an Affiliate of such Bank) as such 
     Bank may specify from time to time, by notice given pursuant to Section 
     9.4, to the Agent and the Borrower as the office by which its Advances 
     of such type are to be made and maintained.

              "APPLICABLE MARGIN":  With respect to Eurodollar Rate Advances, 
     the rate per annum corresponding with the Cash Flow Leverage Ratio as of 
     the last day of the preceding fiscal quarter:

<TABLE>
<CAPTION>
              Cash Flow Leverage Ratio                               Applicable Margin
              ------------------------------------------------------------------------
              <S>                                                    <C>
              GREATER THAN 3.00                                          1.250%
              GREATER THAN 2.25 and LESS THAN OR EQUAL TO 3.00           1.000%
              GREATER THAN 1.75 and LESS THAN OR EQUAL TO 2.25           0.750%
              GREATER THAN 1.00 and LESS THAN OR EQUAL TO 1.75           0.625%
              LESS THAN OR EQUAL TO 1.00                                 0.500%
</TABLE>

              "ARRANGEMENT FEE":  As defined in Section 3.1(e).

              "BANK":  As defined in the opening paragraph hereof.

              "BOARD":  The Board of Governors of the Federal Reserve System 
     or any successor thereto.

              "BORROWER":  As defined in the opening paragraph hereof.

              "BORROWER LOAN DOCUMENTS":  This Agreement and the Revolving 
     Notes.

              "BORROWING BASE":  As determined in accordance with the formula 
     set forth in EXHIBIT 1.1B hereto.

                                      -2-
<PAGE>

              "BORROWING BASE CERTIFICATE":  A certificate in the form of 
     EXHIBIT 1.1C hereto.

              "BORROWING BASE DEFICIENCY":  At the time of any determination, 
     the amount, if any, by which Total Revolving Outstandings exceed the 
     Borrowing Base.

              "BUSINESS DAY":  Any day (other than a Saturday, Sunday or 
     legal holiday in the State of Minnesota) on which national banks are 
     permitted to be open in Minneapolis, Minnesota.

              "CAPITAL EXPENDITURES":  For any period, the sum of all amounts 
     that would, in accordance with GAAP, be included as additions to 
     property, plant and equipment on a consolidated statement of cash flows 
     for the Borrower during such period, in respect of (a) the acquisition, 
     construction, improvement, replacement or betterment of land, buildings, 
     machinery, equipment or of any other fixed assets or leaseholds, (b) to 
     the extent related to and not included in (a) above, materials and 
     contract labor (excluding expenditures properly chargeable to repairs or 
     maintenance in accordance with GAAP), and (c) other capital expenditures 
     and other uses recorded as capital expenditures or similar terms having 
     substantially the same effect.

              "CAPITALIZED LEASE":  A lease of (or other agreement conveying 
     the right to use) real or personal property with respect to which at 
     least a portion of the rent or other amounts thereon constitute 
     Capitalized Lease Obligations.

              "CAPITALIZED LEASE OBLIGATIONS":  As to any Person, the 
     obligations of such Person to pay rent or other amounts under a lease of 
     (or other agreement conveying the right to use) real or personal 
     property which obligations are required to be classified and accounted 
     for as a capital lease on a balance sheet of such Person under GAAP 
     (including Statement of Financial Accounting Standards No. 13 of the 
     Financial Accounting Standards Board), and, for purposes of this 
     Agreement, the amount of such obligations shall be the capitalized 
     amount thereof, determined in accordance with GAAP (including such 
     Statement No. 13).

              "CASH FLOW LEVERAGE RATIO":  For any period of determination, 
     the ratio of

                     (a)    the sum (without duplication) of (i) the 
              aggregate principal amount of all outstanding Capitalized Lease 
              Obligations

                                      -3-
<PAGE>
 
              of the Borrower and the Subsidiaries, (ii) that portion of 
              Total Liabilities bearing interest determined as of the last 
              day of that period, (iii) the stated amount of all Letters of 
              Credit as of the last day of that period, plus (iv) an amount 
              equal to seven times transportation equipment operating lease 
              expense for such period,

              to

                     (b)    EBITDAR determined for said period on a 
              consolidated basis in accordance with GAAP.

              "CHANGE OF CONTROl":  The occurrence, after the Closing Date, 
     of any of the following circumstances:  (a) any Person or two or more 
     Persons acting in concert acquiring beneficial ownership (within the 
     meaning of Rule 13d-3 of the Securities and Exchange Commission under 
     the Securities Exchange Act of 1934), directly or indirectly, of 
     securities of the Borrower (or other securities convertible into such 
     securities) representing 10% or more of the combined voting power of all 
     securities of the Borrower entitled to vote in the election of 
     directors, and such percentage of voting power is equal to or greater 
     than the aggregate direct and indirect percentage of voting power held 
     by the Roger Marten estate or heirs, or (b) during any period of up to 
     twelve consecutive months, whether commencing before or after the 
     Closing Date, individuals who at the beginning of such twelve-month 
     period were directors of the Borrower ceasing for any reason to 
     constitute a majority of the Board of Directors of the Borrower (other 
     than by reason of death, disability or scheduled retirement), or (c) a 
     "Change in Control Event" (as defined in the Senior Unsecured Note 
     Documents occurs.

              "CLOSING DATE":  Any Business Day between the date of this 
     Agreement and November 30, 1998 selected by the Borrower for the making 
     of the first Revolving Loans hereunder; provided, that all the 
     conditions precedent to the obligation of the Banks to make such Loans, 
     as set forth in Article III, have been, or, on such Closing Date, will 
     be, satisfied. The Borrower shall give the Agent not less than three 
     Business Days prior notice of the day selected as the Closing Date.

              "CODE":  The Internal Revenue Code of 1986, as amended.

              "CONTINGENT OBLIGATION":  With respect to any Person at the 
     time of any determination, without duplication, any obligation, 
     contingent or otherwise, of such Person guaranteeing or having the 
     economic effect of guaranteeing any Indebtedness of any other Person 
     (the "primary 

                                      -4-
<PAGE>


     obligor") in any manner, whether directly or otherwise: (a) to purchase 
     or pay (or advance or supply funds for the purchase or payment of) such 
     Indebtedness or to purchase (or to advance or supply funds for the 
     purchase of) any direct or indirect security therefor, (b) to purchase 
     property, securities or services for the purpose of assuring the owner 
     of such Indebtedness of the payment of such Indebtedness, (c) to 
     maintain working capital, equity capital or other financial statement 
     condition of the primary obligor so as to enable the primary obligor to 
     pay such Indebtedness or otherwise to protect the owner thereof against 
     loss in respect thereof, or (d) entered into for the purpose of assuring 
     in any manner the owner of such Indebtedness of the payment of such 
     Indebtedness or to protect the owner against loss in respect thereof; 
     provided, that the term "Contingent Obligation" shall not include 
     endorsements for collection or deposit, in each case in the ordinary 
     course of business. The amount of any such Contingent Obligation shall 
     be determined in accordance with GAAP.

              "CURRENT LIABILITIES":  As of any date, the consolidated 
     current liabilities of the Borrower, determined in accordance with GAAP.

              "DEFAULT":  Any event which, with the giving of notice (whether 
     such notice is required under Section 7.1, or under some other provision 
     of this Agreement, or otherwise) or lapse of time, or both, would 
     constitute an Event of Default.

              "EBITDA":  For any period of determination, the consolidated 
     net income of the Borrower (excluding non-operating gains or losses and 
     noncash charges), before deductions for income taxes, Interest Expense, 
     depreciation and amortization, all as determined in accordance with GAAP.

              "EBITDAR":  For any period of determination, EBITDA plus 
     transportation equipment operating lease expense during such period.

              "EBITR":  For any period of determination, the consolidated net 
     income of the Borrower (excluding non-operating gains or losses and 
     noncash charges) before deductions for income tax and Interest Expense, 
     plus transportation equipment operating lease expense during such period.

              "ERISA":  The Employee Retirement Income Security Act of 1974, 
     as amended.

                                      -5-
<PAGE>


              "ERISA AFFILIATE":  Any trade or business (whether or not 
     incorporated) that is a member of a group of which the Borrower is a 
     member and which is treated as a single employer under Section 414 of 
     the Code.

              "EURODOLLAR BUSINESS DAY":  A Business Day which is also a day 
     for trading by and between banks in United States dollar deposits in the 
     interbank Eurodollar market and a day on which banks are open for 
     business in New York City.

              "EURODOLLAR RATE":  With respect to each Interest Period 
     applicable to a Eurodollar Rate Advance, the average offered rate for 
     deposits in United States dollars (rounded upward, if necessary, to the 
     nearest 1/16 of 1%) for delivery of such deposits on the first day of 
     such Interest Period, for the number of days in such Interest Period, 
     which appears on the Reuters Screen LIBO page as of 10:00 a.m., London 
     time (or such other time as of which such rate appears) two Eurodollar 
     Business Days prior to the first day of such Interest Period, or the 
     rate for such deposits determined by the Agent at such time based on 
     such other published service of general application as shall be selected 
     by the Agent for such purpose; provided, that in lieu of determining the 
     rate in the foregoing manner, the Agent may determine the rate based on 
     rates at which United States dollar deposits are offered to the Agent in 
     the interbank Eurodollar market at such time for delivery in Immediately 
     Available Funds on the first day of such Interest Period in an amount 
     approximately equal to the Advance by the Agent to which such Interest 
     Period is to apply (rounded upward, if necessary, to the nearest 1/16 of 
     1%).  "Reuters Screen LIBO page" means the display designated as page 
     "LIBO" on the Reuters Monitor Money Rate Screen (or such other page as 
     may replace the LIBO page on such service for the purpose of displaying 
     London interbank offered rates of major banks for United States dollar 
     deposits).

              "EURODOLLAR RATE ADVANCE":  An Advance with respect to which 
     the interest rate is determined by reference to the Adjusted Eurodollar 
     Rate.

              "EURODOLLAR RESERVE PERCENTAGE":  As of any day, that 
     percentage (expressed as a decimal) which is in effect on such day, as 
     prescribed by the Board for determining the maximum reserve requirement 
     (including any basic, supplemental or emergency reserves) for a member 
     bank of the Federal Reserve System, with deposits comparable in amount 
     to those held by the Agent, in respect of "Eurocurrency Liabilities" as 
     such term is defined in Regulation D of the Board. The rate of interest 

                                      -6-
<PAGE>

     applicable to any outstanding Eurodollar Rate Advances shall be adjusted 
     automatically on and as of the effective date of any change in the 
     Eurodollar Reserve Percentage.

              "EVENT OF DEFAULT":  Any event described in Section 7.1.

              "EXISTING U.S. BANK DEBT":  Indebtedness of the Borrower owed 
     to U.S. Bank as of the date of this Agreement and described on 
     SCHEDULE 6.13, in the approximate aggregate outstanding amount of $8.5 
     million.

              "FEE LETTER":  The letter between U.S. Bank and the Borrower 
     dated the Closing Date.

              "GAAP":  Generally accepted accounting principles set forth in 
     the opinions and pronouncements of the Accounting Principles Board of 
     the American Institute of Certified Public Accountants and statements 
     and pronouncements of the Financial Accounting Standards Board or in 
     such other statements by such other entity as may be approved by a 
     significant segment of the accounting profession, which are applicable 
     to the circumstances as of any date of determination.

              "HOLDING ACCOUNT":  A deposit account belonging to the Agent 
     for the benefit of the Banks into which the Borrower may be required to 
     make deposits pursuant to the provisions of this Agreement, such account 
     to be under the sole dominion and control of the Agent and not subject 
     to withdrawal by the Borrower, with any amounts therein to be held for 
     application toward payment of any outstanding Letters of Credit when 
     drawn upon.  The Holding Account shall be a money market savings account 
     or substantial equivalent (or other appropriate investment medium as the 
     Borrower may from time to time request and to which the Agent in its 
     sole discretion shall have consented) and shall bear interest in 
     accordance with the terms of similar accounts held by the Agent for its 
     customers.

              "IMMEDIATELY AVAILABLE FUNDS":  Funds with good value on the 
     day and in the city in which payment is received.

              "INDEBTEDNESS":  With respect to any Person at the time of any 
     determination, without duplication, all obligations, contingent or 
     otherwise, of such Person which in accordance with GAAP should be 
     classified upon the balance sheet of such Person as liabilities, but in 
     any event including: (a) all obligations of such Person for borrowed 
     money, (b) all obligations of such Person evidenced by bonds, 
     debentures, notes or 

                                      -7-
<PAGE>

     other similar instruments, (c) all obligations of such Person upon which 
     interest charges are customarily paid or accrued, (d) all obligations of 
     such Person under conditional sale or other title retention agreements 
     relating to property purchased by such Person, (e) all obligations of 
     such Person issued or assumed as the deferred purchase price of property 
     or services, (f) all obligations of others secured by any Lien on 
     property owned or acquired by such Person, whether or not the 
     obligations secured thereby have been assumed, (g) all Capitalized Lease 
     Obligations of such Person, (h) all obligations of such Person in 
     respect of interest rate protection agreements, (i) all obligations of 
     such Person, actual or contingent, as an account party in respect of 
     letters of credit or bankers' acceptances, (j) all obligations of any 
     partnership or joint venture as to which such Person is or may become 
     personally liable, and (k) all Contingent Obligations of such Person.

              "INTEREST COVERAGE RATIO":  For any period of determination, 
     the ratio of (a) EBITR, to (b) Interest Expense plus transportation 
     equipment operating lease expense, in each case determined for said 
     period in accordance with GAAP.

              "INTEREST EXPENSE":  For any period of determination, the 
     aggregate consolidated amount, without duplication, of interest paid, 
     accrued or scheduled to be paid in respect of any Indebtedness of the 
     Borrower, including (a) all but the principal component of payments in 
     respect of conditional sale contracts, Capitalized Leases and other 
     title retention agreements, (b) commissions, discounts and other fees 
     and charges with respect to letters of credit and bankers' acceptance 
     financings and (c) net costs under interest rate protection agreements, 
     in each case determined in accordance with GAAP.

              "INTEREST PERIOD":  With respect to each Eurodollar Rate 
     Advance, the period commencing on the date of such Advance or on the 
     last day of the immediately preceding Interest Period, if any, 
     applicable to an outstanding Advance and ending one, two, three or six 
     months thereafter, as the Borrower may elect in the applicable notice of 
     borrowing, continuation or conversion; PROVIDED THAT:

                     (a)    Any Interest Period that would otherwise end on a 
              day which is not a Eurodollar Business Day shall be extended to 
              the next succeeding Eurodollar Business Day unless such 
              Eurodollar Business Day falls in another calendar month, in 
              which case such Interest Period shall end on the next preceding 
              Eurodollar Business Day;

                                      -8-
<PAGE>


                     (b)    Any Interest Period that begins on the last 
              Eurodollar Business Day of a calendar month (or a day for which 
              there is no numerically corresponding day in the calendar month 
              at the end of such Interest Period) shall end on the last 
              Eurodollar Business Day of a calendar month; and

                     (c)    Any Interest Period that would otherwise end 
              after the Revolving Commitment Ending Date shall end on the 
              Revolving Commitment Ending Date.

              "INVESTMENT":  The acquisition, purchase, making or holding of 
     any stock or other security, any loan, advance, contribution to capital, 
     extension of credit (except for trade and customer accounts receivable 
     for inventory sold or services rendered in the ordinary course of 
     business and payable in accordance with customary trade terms), any 
     acquisitions of real or personal property (other than real and personal 
     property acquired in the ordinary course of business) and any purchase 
     or commitment or option to purchase stock or other debt or equity 
     securities of or any interest in another Person or any integral part of 
     any business or the assets comprising such business or part thereof.  
     The amount of any Investment shall be the original cost of such 
     Investment plus the cost of all additions thereto, without any 
     adjustments for increases or decreases in value, or write-ups, 
     write-downs or write-offs with respect to such Investment.

              "LETTER OF CREDIT":  An irrevocable letter of credit issued by 
     the Agent pursuant to this Agreement for the account of the Borrower.

              "LETTER OF CREDIT FEE":  As defined in Section 2.16.

              "LETTER OF CREDIT SUBLIMIT":  $4,000,000.

              "LIEN":  With respect to any Person, any security interest, 
     mortgage, pledge, lien, charge, encumbrance, title retention agreement 
     or analogous instrument or device (including the interest of each lessor 
     under any Capitalized Lease), in, of or on any assets or properties of 
     such Person, now owned or hereafter acquired, whether arising by 
     agreement or operation of law.

              "LOAN DOCUMENTS":  This Agreement, the Revolving Notes and the 
     Guaranties.

                                      -9-
<PAGE>

              "MAJORITY BANKS":  At any time, Banks holding at least 66 2/3% 
     of the aggregate unpaid principal amount of the Revolving Notes or, if 
     no Revolving Loans are at the time outstanding hereunder, Banks holding 
     at least 66 2/3% of the Aggregate Revolving Commitment Amounts.

              "MULTIEMPLOYER PLAN":  A multiemployer plan, as such term is 
     defined in Section 4001 (a) (3) of ERISA, which is maintained (on the 
     Closing Date, within the five years preceding the Closing Date, or at 
     any time after the Closing Date) for employees of the Borrower or any 
     ERISA Affiliate.

              "NOTE PURCHASE AGREEMENT":   The Note Purchase and Private 
     Shelf Agreement dated October 30, 1998, for $25,000,000 6.78% Series A 
     Senior Notes due October 30, 2008 and $15,000,000 Private Shelf 
     Facility, between the Borrower and The Prudential Insurance Company of 
     America and each Prudential Affiliate (as defined therein) which becomes 
     a Purchaser (as defined therein) thereunder.

              "OBLIGATIONS":  The Borrower's obligations, without 
     duplication, in respect of the due and punctual payment of principal and 
     interest on the Revolving Notes and Unpaid Drawings when and as due, 
     whether by acceleration or otherwise and all fees (including Revolving 
     Commitment Fees), expenses, indemnities, reimbursements and other 
     obligations of the Borrower under this Agreement or any other Borrower 
     Loan Document, in all cases whether now existing or hereafter arising or 
     incurred.

              "PBGC":  The Pension Benefit Guaranty Corporation, established 
     pursuant to Subtitle A of Title IV of ERISA, and any successor thereto 
     or to the functions thereof.

              "PERSON":  Any natural person, corporation, partnership, 
     limited partnership, limited liability company, joint venture, firm, 
     association, trust, unincorporated organization, government or 
     governmental agency or political subdivision or any other entity, 
     whether acting in an individual, fiduciary or other capacity.

              "PLAN":   Each employee benefit plan (whether in existence on 
     the Closing Date or thereafter instituted), as such term is defined in 
     Section 3 of ERISA, maintained for the benefit of employees, officers or 
     directors of the Borrower or of any ERISA Affiliate.

              "PROHIBITED TRANSACTION":  The respective meanings assigned to 
     such term in Section 4975 of the Code and Section 406 of ERISA.

                                     -10-
<PAGE>

              "REFERENCE RATE":  The rate of interest from time to time 
     publicly announced by the Agent as its "reference rate."  The Agent may 
     lend to its customers at rates that are at, above or below the Reference 
     Rate. For purposes of determining any interest rate hereunder or under 
     any other Loan Document which is based on the Reference Rate, such 
     interest rate shall change as and when the Reference Rate shall change.

              "REFERENCE RATE ADVANCE":  An Advance with respect to which the 
     interest rate is determined by reference to the Reference Rate.

              "REGULATORY CHANGE":  Any change after the Closing Date in 
     federal, state or foreign laws or regulations or the adoption or making 
     after such date of any interpretations, directives or requests applying 
     to a class of banks including any Bank under any federal, state or 
     foreign laws or regulations (whether or not having the force of law) by 
     any court or governmental or monetary authority charged with the 
     interpretation or administration thereof.

              "REPORTABLE EVENT":  A reportable event as defined in Section 
     4043 of ERISA and the regulations issued under such Section, with 
     respect to a Plan, excluding, however, such events as to which the PBGC 
     by regulation has waived the requirement of Section 4043(a) of ERISA 
     that it be notified within 30 days of the occurrence of such event, 
     PROVIDED that a failure to meet the minimum funding standard of Section 
     412 of the Code and of Section 302 of ERISA shall be a Reportable Event 
     regardless of the issuance of any waiver in accordance with Section 
     412(d) of the Code.

              "RESTRICTED PAYMENTS":  With respect to the Borrower, 
     collectively, all dividends or other distributions of any nature (cash, 
     securities other than common stock of the Borrower, assets or 
     otherwise), and all payments on any class of equity securities 
     (including warrants, options or rights therefor) issued by the Borrower, 
     whether such securities are authorized or outstanding on the Closing 
     Date or at any time thereafter and any redemption or purchase of, or 
     distribution in respect of, any of the foregoing, whether directly or 
     indirectly.

              "REVOLVING COMMITMENT":  With respect to a Bank, the agreement 
     of such Bank to make Revolving Loans to the Borrower in an aggregate 
     principal amount outstanding at any time not to exceed such Bank's 
     Revolving Commitment Amount upon the terms and subject to the conditions 
     and limitations of this Agreement.

                                     -11-
<PAGE>

              "REVOLVING COMMITMENT AMOUNT":  With respect to a Bank, 
     initially the amount set opposite such Bank's name on the signature page 
     hereof as its Revolving Commitment Amount, but as the same may be 
     reduced from time to time pursuant to Section 2.13.

              "REVOLVING COMMITMENT ENDING DATE":  As defined in Section 2.19.

              "REVOLVING COMMITMENT FEES":  As defined in Section 2.15.

              "REVOLVING LOAN":  As defined in Section 2.1.

              "REVOLVING LOAN DATE":  The date of the making of any Revolving 
     Loans hereunder.

              "REVOLVING NOTE":  A promissory note of the Borrower in the 
     form of EXHIBIT 1.1A hereto.

              "REVOLVING PERCENTAGE":  With respect to any Bank, the 
     percentage equivalent of a fraction, the numerator of which is the 
     Revolving Commitment Amount of such Bank and the denominator of which is 
     the Aggregate Revolving Commitment Amounts.

              "SENIOR UNSECURED NOTE DOCUMENTS": Collectively, (i) the Note 
     Purchase Agreement; (ii) the Series A Notes (as defined in the Note 
     Purchase Agreement) issued under the Note Purchase Agreement; and (iii) 
     any Shelf  Notes (as defined in the Note Purchase Agreement) issued 
     under the Note Purchase Agreement.

              "SUBORDINATED DEBT":  Any Indebtedness of the Borrower, now 
     existing or hereafter created, incurred or arising, which is 
     subordinated in right of payment to the payment of the Obligations in a 
     manner and to an extent (a) that Majority Banks have approved in writing 
     prior to the creation of such Indebtedness, or (b) as to any 
     Indebtedness of the Borrower existing on the date of this Agreement, 
     that Majority Banks have approved as Subordinated Debt in a writing 
     delivered by Majority Banks to the Borrower on or prior to the Closing 
     Date.

              "SUBSIDIARY":  Any corporation or other entity of which 
     securities or other ownership interests having ordinary voting power for 
     the election of a majority of the board of directors or other Persons 
     performing similar functions are owned by the Borrower either directly 
     or through one or more Subsidiaries.

                                     -12-
<PAGE>

              "TANGIBLE NET WORTH ":  As of any date of determination, the 
     sum of the amounts set forth on the consolidated balance sheet of the 
     Borrower as the sum of the common stock, preferred stock, additional 
     paid-in capital and retained earnings of the Borrower (excluding 
     treasury stock), less the book value of all intangible assets of the 
     Borrower and its Subsidiaries, including all such items as goodwill, 
     trademarks, trade names, service marks, copyrights, patents, licenses, 
     unamortized debt discount and expenses and the excess of the purchase 
     price of the assets of any business acquired by the Borrower or any of 
     its Subsidiaries over the book value of such assets.

              "TERMINATION DATE":  The earliest of (a) the Revolving 
     Commitment Ending Date, (b) the date on which the Revolving Commitments 
     are terminated pursuant to Section 7.2 hereof or (c) the date on which 
     the Revolving Commitment Amounts are reduced to zero pursuant to 
     Section 2.13 hereof.

              "TOTAL LIABILITIES":  At the time of any determination, the 
     amount, on a consolidated basis, of all items of Indebtedness of the 
     Borrower and its Subsidiaries that would constitute "liabilities" for 
     balance sheet purposes in accordance with GAAP.

              "TOTAL REVOLVING OUTSTANDINGS":  As of any date of 
     determination, the sum of (a) the aggregate unpaid principal balance of 
     Revolving Loans outstanding on such date, (b) the aggregate maximum 
     amount available to be drawn under Letters of Credit outstanding on such 
     date and (c) the aggregate amount of Unpaid Drawings on such date.

              "UNPAID DRAWING":  As defined in Section 2.11.

              "UNUSED REVOLVING COMMITMENT":  With respect to any Bank as of 
     any date of determination, the amount by which such Bank's Revolving 
     Commitment Amount exceeds such Bank's Revolving Percentage of the Total 
     Revolving Outstandings on such date.

              "U.S. BANK":  U.S. Bank National Association in its capacity as 
     one of the Banks hereunder.

     Section 1.2   ACCOUNTING TERMS AND CALCULATIONS.  Except as may be 
expressly provided to the contrary herein, all accounting terms used herein 
shall be interpreted and all accounting determinations hereunder shall be 
made in accordance with GAAP.  To the extent any change in GAAP affects any 
computation or determination required to be made pursuant to this Agreement,

                                     -13-
<PAGE>

such computation or determination shall be made to account for such change in 
GAAP.

     Section 1.3   COMPUTATION OF TIME PERIODS.  In this Agreement, in the 
computation of a period of time from a specified date to a later specified 
date, unless otherwise stated the word "from" means "from and including" and 
the word "to" or "until" each means "to but excluding."

     Section 1.4   OTHER DEFINITIONAL TERMS. The words "hereof", "herein" 
and "hereunder" and words of similar import when used in this Agreement shall 
refer to this Agreement as a whole and not to any particular provision of 
this Agreement.  References to Sections, Exhibits, schedules and like 
references are to this Agreement unless otherwise expressly provided.  The 
words "include," "includes" and "including" shall be deemed to be followed by 
the phrase "without limitation."  Unless the context in which used herein 
otherwise clearly requires, "or" has the inclusive meaning represented by the 
phrase "and/or."
                                       
                                   ARTICLE II

                         TERMS OF THE CREDIT FACILITIES

                          PART A --  TERMS OF LENDING

     Section 2.1   THE REVOLVING COMMITMENTS.  On the terms and subject to 
the conditions hereof, each Bank severally agrees to make loans (each, a 
"Revolving Loan" and, collectively, the "Revolving Loans") to the Borrower on 
a revolving basis at any time and from time to time from the Closing Date to 
the Termination Date, during which period the Borrower may borrow, repay and 
reborrow in accordance with the provisions hereof, provided, that no 
Revolving Loan will be made in any amount which, after giving effect thereto, 
would cause the Total Revolving Outstandings to exceed the lesser of (i) the 
Aggregate Revolving Commitment Amounts, or (ii) the Borrowing Base.  
Revolving Loans hereunder shall be made by the several Banks ratably in the 
proportion of their respective Revolving Commitment Amounts.  Revolving Loans 
may be obtained and maintained, at the election of the Borrower but subject 
to the limitations hereof, as Reference Rate Advances or Eurodollar Rate 
Advances or any combination thereof. Notwithstanding any provision hereof, 
this Agreement and the Revolving Commitments shall terminate and the Banks 
shall have no obligation hereunder if the initial Revolving Loans hereunder 
have not been made by November 30, 1998, provided, however, that the 
obligations of the Borrower under Section 9.2 shall survive any such 
termination.

                                     -14-
<PAGE>

     Section 2.2   PROCEDURE FOR REVOLVING LOANS.  Any request by the 
Borrower for Revolving Loans hereunder shall be in writing or by telephone 
and must be given so as to be received by the Agent not later than 12:00 noon 
(Minneapolis time) two Eurodollar Business Days prior to the requested 
Revolving Loan Date if the Revolving Loans (or any portion thereof) are 
requested as Eurodollar Rate Advances and not later than 1:00p.m. 
(Minneapolis time) on the requested Revolving Loan Date if the Revolving 
Loans are requested as Reference Rate Advances.  Each request for Revolving 
Loans hereunder shall be irrevocable and shall be deemed a representation by 
the Borrower that on the requested Revolving Loan Date and after giving 
effect to the requested Revolving Loans the applicable conditions specified 
in Article III have been and will be satisfied. Each request for Revolving 
Loans hereunder shall specify (i) the requested Revolving Loan Date, (ii) the 
aggregate amount of Revolving Loans to be made on such date which shall be in 
a minimum amount of $100,000 or, if more, an integral multiple thereof, (iii) 
whether such Revolving Loans are to be funded as Reference Rate Advances or 
Eurodollar Rate Advances (and, if such Revolving Loans are to be made with 
more than one applicable interest rate choice, specifying the amount to which 
each interest rate choice is applicable) and (iv) in the case of Eurodollar 
Rate Advances, the duration of the initial Interest Period applicable 
thereto.  The Agent may rely on any telephone request for Revolving Loans 
hereunder which it believes in good faith to be genuine; and the Borrower 
hereby waives the right to dispute the Agent's record of the terms of such 
telephone request.  The Agent shall promptly notify each other Bank of the 
receipt of such request, the matters specified therein, and of such Bank's 
ratable share of the requested Revolving Loans.  On the date of the requested 
Revolving Loans, each Bank shall provide its share of the requested Revolving 
Loans to the Agent in Immediately Available Funds not later than 2:00 p.m., 
Minneapolis time.  Unless the Agent determines that any applicable condition 
specified in Article III has not been satisfied, the Agent will make 
available to the Borrower at the Agent's principal office in Minneapolis, 
Minnesota in Immediately Available Funds not later than 2:00p.m. (Minneapolis 
time) on the requested Revolving Loan Date the amount of the requested 
Revolving Loans.  If the Agent has made a Revolving Loan to the Borrower on 
behalf of a Bank but has not received the amount of such Revolving Loan from 
such Bank by the time herein required, such Bank shall pay interest to the 
Agent on the amount so advanced at the overnight Federal Funds rate from the 
date of such Revolving Loan to the date funds are received by the Agent from 
such Bank, such interest to be payable with such remittance from such Bank of 
the principal amount of such Revolving Loan (provided, however, that the 
Agent shall not make any Revolving Loan on behalf of a Bank if the Agent has 
received prior notice from such Bank that it will not make such Revolving 
Loan).  If the Agent does not receive payment from such Bank by the next 
Business Day after the date of any Revolving Loan, the Agent shall be 
entitled 

                                     -15-
<PAGE>

to recover such Revolving Loan, with interest thereon at the rate (or rates) 
then applicable to the such Revolving Loan (but not including any funding 
losses with respect to such Revolving Loan that is a Eurodollar Rate 
Advance), on demand, from the Borrower, without prejudice to the Agent's and 
the Borrower's rights against such Bank.  If such Bank pays the Agent the 
amount herein required with interest at the overnight Federal Funds rate 
before the Agent has recovered from the Borrower, such Bank shall be entitled 
to the interest payable by the Borrower with respect to the Revolving Loan in 
question accruing from the date the Agent made such Revolving Loan.  Not more 
than nine Revolving Loans may be outstanding at any time during the term of 
this Agreement.

     Section 2.3   REVOLVING NOTES.  The Advances of each Bank shall be 
evidenced by a single Revolving Note payable to the order of such Bank in a 
principal amount equal to such Bank's Revolving Commitment Amount originally 
in effect. Upon receipt of each Bank's Revolving Note from the Borrower, the 
Agent shall mail such Revolving Note to such Bank.  Each Bank shall enter in 
its ledgers and records the amount of each Revolving Loan, the various 
Advances made, converted or continued and the payments made thereon, and each 
Bank is authorized by the Borrower to enter on a schedule attached to its 
Revolving Note a record of such Revolving Loans, Advances and payments; 
provided, however that the failure by any Bank to make any such entry or any 
error in making such entry shall not limit or otherwise affect the obligation 
of the Borrower hereunder and on the Revolving Notes, and, in all events, the 
principal amounts owing by the Borrower in respect of the Revolving Notes 
shall be the aggregate amount of all Revolving Loans made by the Banks less 
all payments of principal thereof made by the Borrower.

     Section 2.4   CONVERSIONS AND CONTINUATIONS.  On the terms and subject 
to the limitations hereof, the Borrower shall have the option at any time and 
from time to time to convert all or any portion of the Advances into 
Reference Rate Advances or Eurodollar Rate Advances, or to continue a 
Eurodollar Rate Advance as such; provided, however that a Eurodollar Rate 
Advance may be converted or continued only on the last day of the Interest 
Period applicable thereto and no Advance may be converted to or continued as 
a Eurodollar Rate Advance if a Default or Event of Default has occurred and 
is continuing on the proposed date of continuation or conversion.  Advances 
may be converted to, or continued as, Eurodollar Rate Advances only in 
integral multiples, as to the aggregate amount of the Advances of all Banks 
so converted or continued, of $100,000 or, if larger, in integral multiples 
of $100,000.  The Borrower shall give the Agent written notice of any 
continuation or conversion of any Advances and such notice must be given so 
as to be received by the Agent not later than 12:00 noon (Minneapolis time) 
two Eurodollar Business Days prior to 

                                     -16-
<PAGE>

requested date of conversion or continuation in the case of the continuation 
of, or conversion to, Eurodollar Rate Advances and on the date of the 
requested conversion to Reference Rate Advances.  Each such notice shall 
specify (a) the amount to be continued or converted, (b) the date for the 
continuation or conversion (which must be (i) the last day of the preceding 
Interest Period for any continuation or conversion of Eurodollar Rate 
Advances, and (ii) a Eurodollar Business Day in the case of continuations as 
or conversions to Eurodollar Rate Advances and a Business Day in the case of 
conversions to Reference Rate Advances), and (c) in the case of conversions 
to or continuations as Eurodollar Rate Advances, the Interest Period 
applicable thereto.  Any notice given by the Borrower under this Section 
shall be irrevocable.  If the Borrower shall fail to notify the Agent of the 
continuation of any Eurodollar Rate Advances within the time required by this 
Section, such Advances shall, on the last day of the Interest Period 
applicable thereto, automatically be converted into Reference Rate Advances 
of the same principal amount. All conversions and continuation of Advances 
must be made uniformly and ratably among the Banks.  (E.g., when continuing a 
two-month Eurodollar Rate Advance of one Bank to a three-month Eurodollar 
Rate Advance, the Borrower must simultaneously continue all two-month 
Eurodollar Rate Advances of all Banks having Interest Periods ending on the 
date of continuation as three-month Eurodollar Rate Advances.)

     Section 2.5   INTEREST RATES, INTEREST PAYMENTS AND DEFAULT INTEREST. 
Interest shall accrue and be payable on the Revolving Loans as follows:

              2.5(a) Subject to paragraph (c) below, each Eurodollar Rate 
     Advance shall bear interest on the unpaid principal amount thereof 
     during the Interest Period applicable thereto at a rate per annum equal 
     to the sum of (i) the Adjusted Eurodollar Rate for such Interest Period, 
     plus (ii) the Applicable Margin.

              2.5(b) Subject to paragraph (c) below, each Reference Rate 
     Advance shall bear interest on the unpaid principal amount thereof at a 
     varying rate per annum equal to the Reference Rate.

              2.5(c) Upon the occurrence of any Event of Default, each Advance
       shall, at the option of the Majority Banks, bear interest until paid in
       full (i) during the balance of any Interest Period applicable to such
       Advance, at a rate per annum equal to the sum of the rate applicable to
       such Advance during such Interest Period plus 2.0%, and (ii) otherwise,
       at a rate per annum equal to the Reference Rate plus 2.0%.

              2.5(d) Interest shall be payable (i) with respect to each 
     Eurodollar Rate Advance having an Interest Period of three months or 
     less, on the 

                                     -17-
<PAGE>

     last day of the Interest Period applicable thereto; (ii) with respect to 
     any Eurodollar Rate Advance having an Interest Period greater than three 
     months, on the last day of the Interest Period applicable thereto and on 
     each day that would have been the last day of the Interest Period for 
     such Advance had successive Interest Periods of three months duration 
     been applicable to such Advance; (iii) with respect to any Reference 
     Rate Advance, on the last day of each month; (iv) with respect to all 
     Advances, upon any permitted prepayment (on the amount prepaid); and (E) 
     with respect to all Advances, on the Termination Date; provided that 
     interest under Section 2.5 (c) shall be payable on demand.

              2.5(e) Interest on all or a portion (in increments of not less 
     than $5,000,000) of the Revolving Notes may be converted at the request 
     of the Borrower and with the consent and approval of all of the Banks to 
     a fixed rate per annum from the conversion date (which shall be a date 
     on which no Eurodollar Rate Advances are outstanding with respect to the 
     portion being so converted) to a Business Day not later than the 
     Termination Date, which fixed rate per annum shall be determined by the 
     Banks, in which case the Banks and the Borrower will enter such 
     amendments as the Banks and the Agent deem reasonably necessary to 
     effect such conversion.

       Section 2.6   REPAYMENT.  The unpaid principal amount of all Advances,
together with all accrued and unpaid interest thereon, shall be due and payable
on the Termination Date.

       Section 2.7   PREPAYMENTS.

              2.7(a) MANDATORY PAYMENTS.  If at any time a Borrowing Base 
     Deficiency exists, the Borrower shall immediately pay on the principal 
     of the Advances an amount equal to such Borrowing Base Deficiency.  Any 
     such payments shall be applied first against Reference Rate Advances and 
     then to Eurodollar Rate Advances in order starting with the Eurodollar 
     Rate Advances having the shortest time to the end of the applicable 
     Interest Period.  Amounts paid on the Advances under this paragraph (a) 
     shall be for the account of each Bank in proportion to its share of 
     outstanding Revolving Loans.  If, after paying all outstanding Advances, 
     a Borrowing Base Deficiency still exists, the Borrower shall pay into 
     the Holding Account an amount equal to the amount of the remaining 
     Borrowing Base Deficiency.

              2.7(b) OTHER MANDATORY PREPAYMENTS.  If at any time Total 
     Revolving Outstandings exceed the Aggregate Revolving Commitment 

                                     -18-
<PAGE>

     Amounts, the Borrower shall immediately repay to the Agent for the 
     account of the Banks the amount of such excess.  Any such payments shall 
     be applied first against Reference Rate Advances and then to Eurodollar 
     Rate Advances in order starting with the Eurodollar Rate Advances having 
     the shortest time to the end of the applicable Interest Period.  If, 
     after payment of all outstanding Advances, the Total Revolving  
     Outstandings still exceed the Aggregate Revolving Commitment Amounts, 
     the remaining amount paid by the Borrower shall be placed in the Holding 
     Account.

              2.7(c) OPTIONAL PREPAYMENTS.   The Borrower may prepay 
     Reference Rate Advances, in whole or in part, at any time, without 
     premium or penalty.  Any such prepayment must be accompanied by accrued 
     and unpaid interest on the amount prepaid.  Each partial prepayment 
     shall be in an aggregate amount for all the Banks of $100,000 or an 
     integral multiple thereof.  Except upon an acceleration following an 
     Event of Default or upon termination of the Revolving Commitments in 
     whole, the Borrower may pay Eurodollar Rate Advances only on the last 
     day of the Interest Period applicable thereto.  Amounts paid (unless 
     following an acceleration or upon termination of the Revolving 
     Commitments in whole) or prepaid on Advances under this paragraph (c) 
     may be reborrowed upon the terms and subject to the conditions and 
     limitations of this Agreement.  Amounts paid or prepaid on the Advances 
     under this paragraph (c) shall be for the account of each Bank in 
     proportion to its share of outstanding Revolving Loans.

     PART B -- TERMS OF THE LETTER OF CREDIT FACILITY

     Section 2.8   LETTERS OF CREDIT.  Upon the terms and subject to the 
conditions of this Agreement, the Agent agrees to issue Letters of Credit for 
the account of the Borrower from time to time between the Closing Date and 
the Termination Date in such amounts as the Borrower shall request up to an 
aggregate amount at any time outstanding not exceeding the Letter of Credit 
Sublimit; provided that no Letter of Credit will be issued in any amount 
which, after giving effect to such issuance, would cause Total Revolving 
Outstandings to exceed the lesser of (a) the Aggregate Revolving Commitment 
Amounts, or (b) the Borrowing Base.

     Section 2.9   PROCEDURES FOR LETTERS OF CREDIT.  Each request for a 
Letter of Credit shall be made by the Borrower in writing, by telex, 
facsimile transmission or electronic conveyance received by the Agent by 2:00 
p.m., Minneapolis time, on a Business Day which is not less than one Business 
Day preceding the requested date of issuance (which shall also be a Business 
Day).

                                     -19-
<PAGE>

Each request for a Letter of Credit shall be deemed a representation by the 
Borrower that on the date of issuance of such Letter of Credit and after 
giving effect thereto the applicable conditions specified in Article III have 
been and will be satisfied.  The Agent may require that such request be made 
on such letter of credit application and reimbursement agreement form as the 
Agent may from time to time specify, along with satisfactory evidence of the 
authority and incumbency of the officials of the Borrower making such 
request.  The Agent shall promptly notify the other Banks of the receipt of 
the request and the matters specified therein.  On the date of each issuance 
of a Letter of Credit the Agent shall send notice to the other Banks of such 
issuance, accompanied by a copy of the Letter or Letters of Credit so issued.

     Section 2.10  TERMS OF LETTERS OF CREDIT.  Letters of Credit shall be 
issued in support of obligations of the Borrower.  All Letters of Credit must 
expire not later than the Business Day preceding the Revolving Commitment 
Ending Date.  No Letter of Credit may have a term longer than twelve months.

     Section 2.11  AGREEMENT TO REPAY LETTER OF CREDIT DRAWINGS.  If the 
Agent has received documents purporting to draw under a Letter of Credit that 
the Agent believes conform to the requirements of the Letter of Credit, or if 
the Agent has decided that it will comply with the Borrower's written or oral 
request or authorization to pay a drawing on any Letter of Credit that the 
Agent does not believe conforms to the requirements of the Letter of Credit, 
it will notify the Borrower of that fact.  The Borrower shall reimburse the 
Agent by 9:30 a.m. (Minneapolis time) on the day on which such drawing is to 
be paid in Immediately Available Funds in an amount equal to the amount of 
such drawing. Any amount by which the Borrower has failed to reimburse the 
Agent for the full amount of such drawing by 10:00 a.m. on the date on which 
the Agent in its notice indicated that it would pay such drawing, until 
reimbursed from the proceeds of Loans pursuant to Section 2.14 or out of 
funds available in the Holding Account, is an "Unpaid Drawing."

     Section 2.12  OBLIGATIONS ABSOLUTE.  The obligation of the Borrower 
under Section 2.11 to repay the Agent for any amount drawn on any Letter of 
Credit and to repay the Banks for any Revolving Loans made under Section 2.14 
to cover Unpaid Drawings shall be absolute, unconditional and irrevocable, 
shall continue for so long as any Letter of Credit is outstanding 
notwithstanding any termination of this Agreement, and shall be paid strictly 
in accordance with the terms of this Agreement, under all circumstances 
whatsoever, including without limitation the following circumstances:

              2.12(a)  Any lack of validity or enforceability of any Letter 
     of Credit;

                                     -20-
<PAGE>

              2.12(b)  The existence of any claim, setoff, defense or other 
     right which the Borrower may have or claim at any time against any 
     beneficiary, transferee or holder of any Letter of Credit (or any Person 
     for whom any such beneficiary, transferee or holder may be acting), the 
     Agent or any Bank or any other Person, whether in connection with a 
     Letter of Credit, this Agreement, the transactions contemplated hereby, 
     or any unrelated transaction; or

              2.12(c)  Any statement 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 whatsoever.

Neither the Agent nor any Bank nor officers, directors or employees of any
thereof shall be liable or responsible for, and the obligations of the Borrower
to the Agent and the Banks shall not be impaired by:

              (i)    The use which may be made of any Letter of Credit or for 
     any acts or omissions of any beneficiary, transferee or holder thereof 
     in connection therewith;

              (ii)   The validity, sufficiency or genuineness of documents, 
     or of any endorsements thereon, even if such documents or endorsements 
     should, in fact, prove to be in any or all respects invalid, 
     insufficient, fraudulent or forged;

              (iii)  The acceptance by the Agent of documents that appear on 
     their face to be in order, without responsibility for further 
     investigation, regardless of any notice or information to the contrary; 
     or

              (iv)   Any other action of the Agent in making or failing to 
     make payment under any Letter of Credit if in good faith and in 
     conformity with U.S. or foreign laws, regulations or customs applicable 
     thereto.

Notwithstanding the foregoing, the Borrower shall have a claim against the 
Agent, and the Agent shall be liable to the Borrower, to the extent, but only 
to the extent, of any direct, as opposed to consequential, damages suffered 
by the Borrower which the Borrower proves were caused by the Agent's willful 
misconduct or gross negligence in determining whether documents presented 
under any Letter of Credit comply with the terms thereof.

                                PART C  --  GENERAL

                                     -21-
<PAGE>

     Section 2.13  OPTIONAL REDUCTION OF REVOLVING COMMITMENT AMOUNTS OR 
TERMINATION OF REVOLVING COMMITMENTS.  The Borrower may, at any time, upon 
not less than two Business Days prior written notice to the Agent, reduce the 
Revolving Commitment Amounts, ratably, with any such reduction in a minimum 
aggregate amount for all the Banks of $1,000,000, or, if more, in an integral 
multiple of $1,000,000; PROVIDED, HOWEVER, that the Borrower may not at any 
time reduce the Aggregate Revolving Commitment Amounts below the Total 
Revolving Outstandings.  The Borrower may, at any time when there are no 
Letters of Credit outstanding, upon not less than two Business Days prior 
written notice to the Agent, terminate the Revolving Commitments in their 
entirety.  Upon termination of the Revolving Commitments pursuant to this 
Section, the Borrower shall pay to the Agent for the account of the Banks the 
full amount of all outstanding Advances, all accrued and unpaid interest 
thereon, all unpaid Revolving Commitment Fees accrued to the date of such 
termination, any indemnities payable with respect to Advances pursuant to 
Section 2.25 and all other unpaid obligations of the Borrower to the Agent 
and the Banks hereunder.

     Section 2.14  LOANS TO COVER UNPAID DRAWINGS.  Whenever any Unpaid 
Drawing exists for which there are not then funds in the Holding Account to 
cover the same, the Agent shall give the other Banks notice to that effect, 
specifying the amount thereof, in which event each Bank is authorized (and 
the Borrower does here so authorize each Bank) to, and shall, make a 
Revolving Loan (as a Reference Rate Advance) to the Borrower  in an amount 
equal to  such Bank's Revolving Percentage of the amount of the Unpaid 
Drawing.  The Agent shall notify each Bank by 11:00 a.m. (Minneapolis time) 
on the date such Unpaid Drawing occurs of the amount of the Revolving Loan to 
be made by such Bank. Notices received after such time shall be deemed to 
have been received on the next Business Day.  Each Bank shall then make such 
Revolving Loan (regardless of noncompliance with the applicable conditions 
precedent specified in Article III hereof and regardless of whether an Event 
of Default then exists) and each Bank shall provide the Agent with the 
proceeds of such Revolving Loan in Immediately Available Funds, at the office 
of the Agent, not later than 2:00 p.m. (Minneapolis time) on the day on which 
such Bank received such notice (or, in the case of notices received after 
11:00 a.m., Minneapolis time, is deemed to have received such notice).  The 
Agent shall apply the proceeds of such Revolving Loans directly to reimburse 
itself for such Unpaid Drawing.  If any portion of any such amount paid to 
the Agent should be recovered by or on behalf of the Borrower from the Agent 
in bankruptcy, by assignment for the benefit of creditors or otherwise, the 
loss of the amount so recovered shall be ratably shared between and among the 
Banks in the manner contemplated by Section 8.10 hereof.  If at the time the 
Banks make funds available to the Agent pursuant to the provisions of this 

                                     -22-
<PAGE>

Section, the applicable conditions precedent specified in Article III shall 
not have been satisfied, the Borrower shall pay to the Agent for the account 
of the Banks interest on the funds so advanced at a floating rate per annum 
equal to the sum of the Reference Rate plus two percent (2.00%). If for any 
reason any Bank is unable to make a Revolving Loan to the Borrower to 
reimburse the Agent for an Unpaid Drawing, then such Bank shall immediately 
purchase from the Agent a risk participation in such Unpaid Drawing, at par, 
in an amount equal to such Bank's Revolving Percentage of the Unpaid Drawing.

     Section 2.15  REVOLVING COMMITMENT FEE.  The Borrower shall pay to the 
Agent for the account of each Bank fees (the "Revolving Commitment Fees") in 
an amount determined by applying the applicable rate per annum set forth 
below corresponding to the Cash Flow Leverage Ratio of the Borrower as at end 
of the preceding quarter to the average daily Unused Revolving Commitment of 
such Bank for the period from the Closing Date to the Termination Date.  Such 
Revolving Commitment Fees are payable in arrears quarterly on the last day of 
each fiscal quarter and on the Termination Date.

<TABLE>
<CAPTION>
       Cash Flow Leverage Ratio                            Rate Per annum
       ------------------------------------------------------------------
       <S>                                                 <C>
       GREATER THAN 3.00                                        0.300%
       GREATER THAN 2.25 and LESS THAN OR EQUAL TO 3.00         0.250%
       GREATER THAN 1.75 and LESS THAN OR EQUAL TO 2.25         0.200%
       GREATER THAN 1.00 and LESS THAN OR EQUAL TO 1.75         0.150%
       LESS THAN OR EQUAL TO 1.00                               0.125%
</TABLE>

     Section 2.16  LETTER OF CREDIT FEES AND ADMINISTRATIVE FEES.  For each 
Letter of Credit issued, the Borrower shall pay to the Agent for the account 
of the Banks, in advance payable on the date of issuance, a fee (a "Letter of 
Credit Fee") in an amount determined by applying the applicable per annum 
rate set forth below (corresponding to the Borrower's Cash Flow Leverage 
Ratio as of the Borrower as at the end of the preceding quarter) to the 
original face amount of the Letter of Credit for the period from the date of 
issuance to the scheduled expiration date of such Letter of Credit.

<TABLE>
<CAPTION>
       Cash Flow Leverage Ratio                         Applicable Margin
       ------------------------------------------------------------------
       <S>                                              <C>
       GREATER THAN 3.00                                      1.250%
       GREATER THAN 2.25 and LESS THAN OR EQUAL TO 3.00       1.000%
       GREATER THAN 1.75 and LESS THAN OR EQUAL TO 2.25       0.750%
       GREATER THAN 1.00 and LESS THAN OR EQUAL TO 1.75       0.625%
       LESS THAN OR EQUAL TO 1.00                             0.500%
</TABLE>

                                     -23-
<PAGE>

     In addition to the Letter of Credit Fee, the Borrower shall pay to the 
Agent, on demand, all issuance, amendment, drawing and other fees regularly 
charged by the Agent to its letter of credit customers and all out-of-pocket 
expenses incurred by the Agent in connection with the issuance, amendment, 
administration or payment of any Letter of Credit, and a fronting fee for 
each Letter of Credit issued equal to 10 basis points of the stated amount of 
the Letter of Credit as of the date of issuance.

     The Borrower shall pay to the Agent an annual administrative fee (the 
"Administrative Fee") equal to the lesser of (a) $5,000 for each Bank (other 
than U.S, Bank), and (b) $10,000, payable quarterly in advance, commencing on 
the date on which the first such Bank becomes a party hereto.

     Section 2.17  COMPUTATION.  Revolving Commitment Fees and Letter of 
Credit Fees and interest on Advances shall be computed on the basis of actual 
days elapsed (or, in the case of Letter of Credit Fees which are paid in 
advance, actual days to elapse) and a year of 360 days.

     Section 2.18  PAYMENTS.  Payments and prepayments of principal of, and 
interest on, the Revolving Notes and all fees, expenses and other obligations 
under this Agreement payable to the Agent or the Banks shall be made without 
setoff or counterclaim in Immediately Available Funds not later than 1:00p.m. 
(Minneapolis time) on the dates called for under this Agreement and the 
Revolving Notes to the Agent at its main office in Minneapolis, Minnesota. 
Funds received after such time shall be deemed to have been received on the 
next Business Day. The Agent will promptly distribute in like funds to each 
Bank its ratable share of each such payment of principal, interest, Revolving 
Commitment Fees and Letter of Credit Fees received, by the Agent for the 
account of the Banks.  Whenever any payment to be made hereunder or on the 
Revolving Notes shall be stated to be due on a day which is not a Business 
Day, such payment shall be made on the next succeeding Business Day and such 
extension of time, in the case of a payment of principal, shall be included 
in the computation of any interest on such principal payment.

     Section 2.19  REVOLVING COMMITMENT ENDING DATE.  The "Revolving 
Commitment Ending Date" is December 31, 2001.

     Section 2.20  USE OF LOAN PROCEEDS.  The proceeds of the Revolving Loans
shall be used for the Borrower's general business purposes in a manner not in
conflict with any of the Borrower's covenants in this Agreement.

                                     -24-
<PAGE>

     Section 2.21  INTEREST RATE NOT ASCERTAINABLE, ETC.  If, on or prior to 
the date for determining the Adjusted Eurodollar Rate in respect of the 
Interest Period for any Eurodollar Rate Advance, any Bank determines (which 
determination shall be conclusive and binding, absent error) that:

              2.12(a)  deposits in dollars (in the applicable amount) are not 
     being made available to such Bank in the relevant market for such 
     Interest Period, or

              2.12(b)  the Adjusted Eurodollar Rate will not adequately and 
     fairly reflect the cost to such Bank of funding or maintaining 
     Eurodollar Rate Advances for such Interest Period,

such Bank shall forthwith give notice to the Borrower and the other Banks of 
such determination, whereupon the obligation of such Bank to make or 
continue, or to convert any Advances to, Eurodollar Rate Advances shall be 
suspended until such Bank notifies the Borrower and the Agent that the 
circumstances giving rise to such suspension no longer exist.  While any such 
suspension continues, all further Advances by such Bank shall be made as 
Reference Rate Advances.  No such suspension shall affect the interest rate 
then in effect during the applicable Interest Period for any Eurodollar Rate 
Advance outstanding at the time such suspension is imposed.

     Section 2.22  INCREASED COST.  If any Regulatory Change:

              2.22(a)  shall subject any Bank (or its Applicable Lending 
     Office) to any tax, duty or other charge with respect to its Eurodollar 
     Rate Advances, its Revolving Note or its obligation to make Eurodollar 
     Rate Advances or shall change the basis of taxation of payment to any 
     Bank (or its Applicable Lending Office) of the principal of or interest 
     on its Eurodollar Rate Advances or any other amounts due under this 
     Agreement in respect of its Eurodollar Rate Advances or its obligation 
     to make Eurodollar Rate Advances (except for changes in the rate of tax 
     on the overall net income of such Bank or its Applicable Lending Office 
     imposed by the jurisdiction in which such Bank's principal office or 
     Applicable Lending Office is located); or

              2.22(b)  shall impose, modify or deem applicable any reserve, 
     special deposit or similar requirement (including, without limitation, 
     any such requirement imposed by the Board, but excluding  with respect 
     to any Eurodollar Rate Advance any such requirement to the extent 
     included in calculating the applicable Adjusted Eurodollar Rate) against 
     assets of, deposits with or for the account of, or credit extended by, 
     any

                                     -25-
<PAGE>

     Bank's Applicable Lending Office or against Letters of Credit issued by 
     the Agent or shall impose on any Bank (or its Applicable Lending Office) 
     or the interbank Eurodollar market any other condition affecting its 
     Eurodollar Rate Advances, its Revolving Note or its obligation to make 
     Eurodollar Rate Advances or affecting any Letter of Credit;

and the result of any of the foregoing is to increase the cost to such Bank 
(or its Applicable Lending Office) of making or maintaining any Eurodollar 
Rate Advance or issuing or maintaining any Letter of Credit, or to reduce the 
amount of any sum received or receivable by such Bank (or its Applicable 
Lending Office) under this Agreement or under its Revolving Note, then, 
within 30 days after demand by such Bank (with a copy to the Agent), the 
Borrower shall pay to such Bank such additional amount or amounts as will 
compensate such Bank for such increased cost or reduction.  Each Bank will 
promptly notify the Borrower and the Agent of any event of which it has 
knowledge, occurring after the date hereof, which will entitle such Bank to 
compensation pursuant to this Section and will designate a different 
Applicable Lending Office if such designation will avoid the need for, or 
reduce the amount of, such compensation and will not, in the judgment of such 
Bank, be otherwise disadvantageous to such Bank. If any Bank fails to give 
such notice within 45 days after it obtains knowledge of such an event, such 
Bank shall, with respect to compensation payable pursuant to this Section, 
only be entitled to payment under this Section for costs incurred from and 
after the date 45 days prior to the date that such Bank does give such 
notice.  A certificate of any Bank claiming compensation under this Section, 
setting forth the additional amount or amounts to be paid to it hereunder and 
stating in reasonable detail the basis for the charge and the method of 
computation, shall be conclusive in the absence of error.  In determining 
such amount, any Bank may use any reasonable averaging and attribution 
methods.  Failure on the part of  any Bank to demand compensation for any 
increased costs or reduction in amounts received or receivable with respect 
to any Interest Period shall not constitute a waiver of such Bank's rights to 
demand compensation for any increased costs or reduction in amounts received 
or receivable in any subsequent Interest Period.

     Section 2.23  ILLEGALITY.  If any Regulatory Change shall make it
unlawful or impossible for any Bank to make, maintain or fund any Eurodollar
Rate Advances, such Bank shall notify the Borrower and the Agent, whereupon the
obligation of such Bank to make or continue, or to convert any Advances to,
Eurodollar Rate Advances shall be suspended until such Bank notifies the
Borrower and the Agent that the circumstances giving rise to such suspension no
longer exist.  Before giving any such notice, such Bank shall designate a
different Applicable Lending Office if such designation will avoid the need for

                                     -26-
<PAGE>

giving such notice and will not, in the judgment of such Bank, be otherwise 
disadvantageous to such Bank.  If such Bank determines that it may not 
lawfully continue to maintain any  Eurodollar Rate Advances to the end of the 
applicable Interest Periods, all of the affected Advances shall be 
automatically converted to Reference Rate Advances as of the date of such 
Bank's notice, and upon such conversion the Borrower shall indemnify such 
Bank in accordance with Section 2.25.

     Section 2.24  CAPITAL ADEQUACY.  In the event that any Regulatory Change 
reduces or shall have the effect of reducing the rate of return on any Bank's 
capital or the capital of its parent corporation (by an amount such Bank 
deems material) as a consequence of its Revolving Commitment and/or Advances 
and/or any Letters of Credit or any Bank's obligations to make Advances to 
cover Letters of Credit to a level below that which such Bank or its parent 
corporation could have achieved but for such Regulatory Change (taking into 
account such Bank's policies and the policies of its parent corporation with 
respect to capital adequacy), then the Borrower shall, within 30 days after 
written notice and demand from  such Bank (with a copy to the Agent), pay to 
such Bank additional amounts sufficient to compensate such Bank or its parent 
corporation for such reduction.  If any Bank fails to give such notice within 
45 days after it obtains knowledge of such an event, such Bank shall, with 
respect to compensation payable pursuant to this Section, only be entitled to 
payment under this Section for diminished returns as a result of such 
reduction for the period from and after the date 45 days prior to the date 
that such Bank does give such notice.  Any determination by such Bank under 
this Section and any certificate as to the amount of such reduction given to 
the Borrower by such Bank shall be final, conclusive and binding for all 
purposes, absent error.

     Section 2.25  FUNDING LOSSES; EURODOLLAR RATE ADVANCES.  The Borrower 
shall compensate each Bank, upon its written request, for all losses, 
expenses and liabilities (including any interest paid by such Bank to lenders 
of funds borrowed by it to make or carry Eurodollar Rate Advances to the 
extent not recovered by such Bank in connection with the re-employment of 
such funds and including loss of anticipated profits) which such Bank may 
sustain:  (i) if for any reason, other than a default by such Bank, a funding 
of a Eurodollar Rate Advance does not occur on the date specified therefor in 
the Borrower's request or notice as to such Advance under Section 2.2 or 2.4, 
or (ii) if, for whatever reason (including, but not limited to, acceleration 
of the maturity of Advances following an Event of Default), any repayment of 
a Eurodollar Rate Advance, or a conversion pursuant to Section 2.23, occurs 
on any day other than the last day of the Interest Period applicable thereto. A 

                                     -27-
<PAGE>

Bank's request for compensation shall set forth the basis for the amount 
requested and shall be final, conclusive and binding, absent error.

     Section 2.26  DISCRETION OF BANKS AS TO MANNER OF FUNDING.  Each Bank 
shall be entitled to fund and maintain its funding of Eurodollar Rate 
Advances in any manner it may elect, it being understood, however, that for 
the purposes of this Agreement all determinations hereunder (including, but 
not limited to, determinations under Section 2.25) shall be made as if such 
Bank had actually funded and maintained each Eurodollar Rate Advances during 
the Interest Period for such Advance through the purchase of deposits having 
a maturity corresponding to the last day of the Interest Period and bearing 
an interest rate equal to the Eurodollar Rate for such Interest Period.

                                       
                                  ARTICLE III

                              CONDITIONS PRECEDENT

     Section 3.1   CONDITIONS OF INITIAL TRANSACTION.  The making of the 
initial Revolving Loans and the issuance of the initial Letter of Credit 
shall be subject to the prior or simultaneous fulfillment of the following 
conditions:

              3.1(a) DOCUMENTS.  The Agent shall have received the following 
     in sufficient counterparts (except for the Revolving Notes) for each Bank:

                     (i)    A Revolving Note drawn to the order of each Bank 
              executed by a duly authorized officer (or officers) of the 
              Borrower and dated the Closing Date.

                     (ii)   A copy of the corporate resolution of the 
              Borrower authorizing the execution, delivery and performance of 
              the Borrower Loan Documents, certified as of the Closing Date 
              by the Secretary or an Assistant Secretary of the Borrower.

                     (iii)  An incumbency certificate showing the names and 
              titles and bearing the signatures of the officers of the 
              Borrower authorized to execute the Borrower Loan Documents and 
              to request Revolving Loans, Letters of Credit and conversions 
              and continuations of Advances hereunder, certified as of the 
              Closing Date by the Secretary or an Assistant Secretary of the 
              Borrower.

                     (iv)   A copy of the Certificate of Incorporation of the 
              Borrower with all amendments thereto, certified by the 
              appropriate

                                     -28-
<PAGE>

              governmental official of the jurisdiction of its incorporation 
              as of a date not more than fifteen days prior to the Closing 
              Date.

                     (v)    A certificate of good standing for the Borrower 
              in the jurisdiction of its incorporation (Delaware) and in the 
              States of Wisconsin, California, Georgia and Oregon, certified 
              by the appropriate governmental officials as of a date not more 
              than fifteen days prior to the Closing Date.

                     (vi)   A copy of the bylaws of the Borrower, certified 
              as of the Closing Date by the Secretary or an Assistant 
              Secretary of the Borrower.

                     (vii)  Copies of current UCC, judgments and tax lien 
              searches against the Borrower in the State of Delaware, 
              Wisconsin, California, Oregon and Georgia.

                     (viii) A certificate dated the Closing Date of the chief 
              executive officer or chief financial officer of the Borrower 
              certifying as to the matters set forth in Sections 3.2 (a) and 
              3.2 (b) below.

                     (ix)   The initial Borrowing Base Certificate required 
              under Section 5.1.

                     (x)    A copy of each of the executed Senior Unsecured 
              Note Documents,                   certified as true and correct 
              copies by an officer of the Borrower.

              3.1(b) OPINION.  The Borrower and its Subsidiaries shall have 
     requested Oppenheimer Wolff & Donnelly LLP, its counsel, to prepare a 
     written opinion, addressed to the Banks and dated the Closing Date, 
     covering the matters set forth in EXHIBIT 3.1(A) hereto, and such 
     opinion shall have been delivered to the Agent in sufficient 
     counterparts for each Bank.

              3.1(c) COMPLIANCE.  The Borrower shall have performed and 
     complied with all agreements, terms and conditions contained in this 
     Agreement required to be performed or complied with by the Borrower 
     prior to or simultaneously with the Closing Date and no Default or Event 
     of Default shall have occurred and be continuing.

              3.1(d) OTHER MATTERS.  All corporate and legal proceedings 
     relating to the Borrower and all instruments and agreements in 
     connection with 

                                     -29-
<PAGE>


     the transactions contemplated by this Agreement shall be satisfactory in 
     scope, form and substance to the Agent, the Banks and the Agent's 
     special counsel, and the Agent shall have received all information and 
     copies of all documents, including records of corporate proceedings, as 
     any Bank or such special counsel may reasonably have requested in 
     connection therewith, such documents where appropriate to be certified 
     by proper corporate or governmental authorities.

              3.1(e) FEES AND EXPENSES.  The Agent shall have received for 
     itself and for the account of the Banks all fees and other amounts due 
     and payable by the Borrower on or prior to the Closing Date, including 
     the reasonable fees and expenses of counsel to the Agent payable 
     pursuant to Section 9.2, and the Agent shall have received for its own 
     account the arrangement fee (the "Arrangement Fee") set forth in the Fee 
     Letter.

       Section 3.2   CONDITIONS PRECEDENT TO ALL LOANS AND LETTERS OF CREDIT.
The obligation of the Banks to make any Revolving Loans hereunder (including the
initial Revolving Loans) and of the Agent to issue each Letter of Credit
(including the initial Letter of Credit) shall be subject to the fulfillment of
the following conditions:

              3.2(a) REPRESENTATIONS AND WARRANTIES.  The representations and
       warranties contained in Article IV shall be true and correct on and as of
       the Closing Date and on the date of each Revolving Loan or the date of
       issuance of each Letter of Credit, with the same force and effect as if
       made on such date.

              3.2(b) NO DEFAULT.  No Default or Event of Default shall have
       occurred and be continuing on the Closing Date and on the date of each
       Revolving Loan or the date of issuance of each Letter of Credit or will
       exist after giving effect to the Loans made on such date or the Letter of
       Credit so issued.

              3.2(c) NOTICES AND REQUESTS.  The Agent shall have received the
       Borrower's request for such Revolving Loans as required under Section 2.2
       or its application for such Letters of Credit specified under Section
       2.9.

                                     ARTICLE IV

                           REPRESENTATIONS AND WARRANTIES

                                      -30-
<PAGE>

       To induce the Banks to enter into this Agreement and to make Revolving 
Loans hereunder and to induce the Agent to issue Letters of Credit, the 
Borrower represents and warrants to the Banks:

       Section 4.1   ORGANIZATION, STANDING, ETC.  The Borrower is a 
corporation duly incorporated and validly existing and in good standing under 
the laws of the jurisdiction of its incorporation and has all requisite 
corporate power and authority to carry on its business as now conducted, to 
enter into this Agreement and to issue the Revolving Notes and to perform its 
obligations under the Borrower Loan Documents.  Each Subsidiary is a 
corporation duly incorporated and validly existing and in good standing under 
the laws of the jurisdiction of its incorporation and has all requisite 
corporate power and authority to carry on its business as now conducted.  
Each of the Borrower and the Subsidiaries (a) holds all certificates of 
authority, licenses and permits necessary to carry on its business as 
presently conducted in each jurisdiction in which it is carrying on such 
business, except where the failure to hold such certificates, licenses or 
permits would not have a material adverse effect on the business, operations, 
property, assets or condition, financial or otherwise, of the Borrower and 
the Subsidiaries taken as a whole, and (b) is duly qualified and in good 
standing as a foreign corporation in each jurisdiction in which the character 
of the properties owned, leased or operated by it or the business conducted 
by it makes such qualification necessary and the failure so to qualify would 
permanently preclude the Borrower or such Subsidiary from enforcing its 
rights with respect to any assets or expose the Borrower or such Subsidiary 
to any liability, which in either case would be material to the Borrower and 
the Subsidiaries taken as a whole.

       Section 4.2   AUTHORIZATION AND VALIDITY.  The execution, delivery and 
performance by the Borrower of the Borrower Loan Documents have been duly 
authorized by all necessary corporate action by the Borrower, and this 
Agreement constitutes, and the Revolving Notes and other Borrower Loan 
Documents when executed will constitute, the legal, valid and binding 
obligations of the Borrower, enforceable against the Borrower in accordance 
with their respective terms, subject to limitations as to enforceability 
which might result from bankruptcy, insolvency, moratorium and other similar 
laws affecting creditors' rights generally and subject to limitations on the 
availability of equitable remedies.

       Section 4.3   NO CONFLICT; NO DEFAULT.  The execution, delivery and 
performance by the Borrower of the Borrower Loan Documents will not (a) 
violate any provision of any law, statute, rule or regulation or any order, 
writ, judgment, injunction, decree, determination or award of any court, 
governmental agency or arbitrator presently in effect having applicability to 
the 

                                      -31-
<PAGE>

Borrower, (b) violate or contravene any provision of the Articles of 
Incorporation or bylaws of the Borrower, or (c) result in a breach of or 
constitute a default under any indenture, loan or credit agreement or any 
other agreement, lease or instrument to which the Borrower is a party or by 
which it or any of its properties may be bound in which the consequences of 
such default or violation could have a material adverse effect on the 
business, operations, properties, assets or condition (financial or 
otherwise) of the Borrower and its Subsidiaries taken as a whole, or result 
in the creation of any Lien thereunder. Neither the Borrower nor any 
Subsidiary is in default under or in violation of any such law, statute, rule 
or regulation, order, writ, judgment, injunction, decree, determination or 
award or any such indenture, loan or credit agreement or other agreement, 
lease or instrument in any case in which the consequences of such default or 
violation could have a material adverse effect on the business, operations, 
properties, assets or condition (financial or otherwise) of the Borrower and 
its Subsidiaries taken as a whole.

       Section 4.4   GOVERNMENT CONSENT.  No order, consent, approval, 
license, authorization or validation of, or filing, recording or registration 
with, or exemption by, any governmental or public body or authority is 
required on the part of the Borrower or its Subsidiaries to authorize, or is 
required in connection with the execution, delivery and performance of, or 
the legality, validity, binding effect or enforceability of, the Loan 
Documents.

       Section 4.5   FINANCIAL STATEMENTS AND CONDITION.  The Borrower's 
audited consolidated financial statements as at December 31, 1997 and its 
unaudited financial statements as at June 30, 1998, as heretofore furnished to 
the Banks, have been prepared in accordance with GAAP on a consistent basis 
(except for the absence of footnotes and subject to year-end audit 
adjustments as to the interim statements) and fairly present the financial 
condition of the Borrower and its Subsidiaries as at such dates and the 
results of their operations and changes in financial position for the 
respective periods then ended.  As of the dates of such financial statements, 
neither the Borrower nor any Subsidiary had any material obligation, 
contingent liability, liability for taxes or long-term lease obligation which 
is not reflected in such financial statements or in the notes thereto.  Since 
December 31, 1997, there has been no material adverse change in the business, 
operations, property, assets or condition, financial or otherwise, of the 
Borrower and its Subsidiaries taken as a whole.

       Section 4.6   LITIGATION.  There are no actions, suits or proceedings 
pending or, to the knowledge of the Borrower, threatened against or affecting 
the Borrower or any Subsidiary or any of their properties before any court or 
arbitrator, or any governmental department, board, agency or other 
instrumentality which, if determined adversely to the Borrower or such

                                      -32-
<PAGE>

Subsidiary, could reasonably be expected to have a material adverse effect on 
the business, operations, property or condition (financial or otherwise) of 
the Borrower and the Subsidiaries taken as a whole or on the ability of the 
Borrower or any Subsidiary to perform its obligations under the Loan 
Documents.

       Section 4.7   ENVIRONMENTAL, HEALTH AND SAFETY LAWS.  There does not 
exist any violation by the Borrower or any Subsidiary of any applicable 
federal, state or local law, rule or regulation or order of any government, 
governmental department, board, agency or other instrumentality relating to 
environmental, pollution, health or safety matters which could reasonably be 
expected to impose a material liability on the Borrower or a Subsidiary or to 
require a material expenditure by the Borrower or such Subsidiary to cure.  
Neither the Borrower nor any Subsidiary has received any notice to the effect 
that any part of its operations or properties is not in material compliance 
with any such law, rule, regulation or order or notice that it or its 
property is the subject of any governmental investigation evaluating whether 
any remedial action is needed to respond to any release of any toxic or 
hazardous waste or substance into the environment, which non-compliance or 
remedial action could reasonably be expected to have a material adverse 
effect on the business, operations, properties, assets or condition 
(financial or otherwise) of the Borrower and its Subsidiaries taken as a 
whole.  The Borrower does not have knowledge that it or its property or any 
Subsidiary or the property of any Subsidiary will become subject to 
environmental laws or regulations during the term of this Agreement, 
compliance with which could reasonably be expected to require Capital 
Expenditures which would have a material adverse effect on the business, 
operations, properties, assets or condition (financial or otherwise) of the 
Borrower and its Subsidiaries taken as a whole.

       Section 4.8   ERISA.  Each Plan is in substantial compliance with all 
applicable requirements of ERISA and the Code and with all material 
applicable rulings and regulations issued under the provisions of ERISA and 
the Code setting forth those requirements.  No Reportable Event has occurred 
and is continuing with respect to any Plan.  All of the minimum funding 
standards applicable to such Plans have been satisfied and there exists no 
event or condition which would reasonably be expected to result in the 
institution of proceedings to terminate any Plan under Section 4042 of ERISA. 
With respect to each Plan subject to Title IV of ERISA, as of the most 
recent valuation date for such Plan, the present value (determined on the 
basis of reasonable assumptions employed by the independent actuary for such 
Plan and previously furnished in writing to the Banks) of such Plan's 
accumulated benefit obligations did not exceed the fair market value of such 
Plan's assets by more than $50,000.

                                      -33-
<PAGE>

       Section 4.9   FEDERAL RESERVE REGULATIONS.  Neither the Borrower nor 
any Subsidiary is engaged principally or as one of its important activities 
in the business of extending credit for the purpose of purchasing or carrying 
margin stock (as defined in Regulation U of the Board).  The value of all 
margin stock owned by the Borrower does not constitute more than 25% of the 
value of the assets of the Borrower.

       Section 4.10  TITLE TO PROPERTY; LEASES; LIENS; SUBORDINATION.  Each 
of the Borrower and the Subsidiaries has (a) good and marketable title to its 
real properties and (b) good and sufficient title to, or valid, subsisting 
and enforceable leasehold interest in, its other material properties, 
including all real properties, other properties and assets, referred to as 
owned by the Borrower and its Subsidiaries in the most recent financial 
statement referred to in Section 4.5 (other than property disposed of since 
the date of such financial statements except as allowed under Section 6.2.  
None of such properties is subject to a Lien, except as allowed under Section 
6.14.  The Borrower has not subordinated any of its rights under any 
obligation owing to it to the rights of any other person.

       Section 4.11  TAXES.  Each of the Borrower and the Subsidiaries has 
filed all federal, state and local tax returns required to be filed and has 
paid or made provision for the payment of all taxes due and payable pursuant 
to such returns and pursuant to any assessments made against it or any of its 
property and all other taxes, fees and other charges imposed on it or any of 
its property by any governmental authority (other than taxes, fees or charges 
the amount or validity of which is currently being contested in good faith by 
appropriate proceedings and with respect to which reserves in accordance with 
GAAP have been provided on the books of the Borrower).  No tax Liens have 
been filed and no material claims are being asserted with respect to any such 
taxes, fees or charges.  The charges, accruals and reserves on the books of 
the Borrower in respect of taxes and other governmental charges are adequate 
and the Borrower knows of no proposed material tax assessment against it or 
any Subsidiary or any basis therefor.

       Section 4.12  TRADEMARKS, PATENTS.  Each of the Borrower and the 
Subsidiaries possesses or has the right to use all of the patents, 
trademarks, trade names, service marks and copyrights, and applications 
therefor, and all technology, know-how, processes, methods and designs used 
in or necessary for the conduct of its business, without known conflict with 
the rights of others.

                                      -34-
<PAGE>

       Section 4.13  BURDENSOME RESTRICTIONS.  Neither the Borrower nor any 
Subsidiary is a party to or otherwise bound by any indenture, loan or credit 
agreement or any lease or other agreement or instrument or subject to any 
charter, corporate or partnership restriction which would foreseeably have a 
material adverse effect on the business, properties, assets, operations or 
condition (financial or otherwise) of the Borrower or such Subsidiary or on 
the ability of the Borrower or any Subsidiary to carry out its obligations 
under any Loan Document.

       Section 4.14  FORCE MAJEURE.  Since the date of the most recent 
financial statement referred to in Section 4.5, the business, properties and 
other assets of the Borrower and the Subsidiaries have not been materially 
and adversely affected in any way as the result of any fire or other 
casualty, strike, lockout, or other labor trouble, embargo, sabotage, 
confiscation, condemnation, riot, civil disturbance, activity of armed forces 
or act of God.

       Section 4.15  INVESTMENT COMPANY ACT.  Neither the Borrower nor any 
Subsidiary is an "investment company" or a company "controlled" by an 
investment company within the meaning of the Investment Company Act of 1940, 
as amended.

       Section 4.16  PUBLIC UTILITY HOLDING COMPANY ACT.  Neither the 
Borrower nor any Subsidiary is a "holding company" or a "subsidiary company" 
of a holding company or an "affiliate" of a holding company or of a 
subsidiary company of a holding company within the meaning of the Public 
Utility Holding Company Act of 1935, as amended.

       Section 4.17  RETIREMENT BENEFITS.  Except as required under Section 
4980B of the Code, Section 601 of ERISA or applicable state law, neither the 
Borrower nor any Subsidiary is obligated to provide post-retirement medical 
or insurance benefits with respect to employees or former employees in an 
aggregate amount exceeding $50,000.

       Section 4.18  FULL DISCLOSURE.  Subject to the following sentence, 
neither the financial statements referred to in Section 4.5 nor any other 
certificate, written statement, exhibit or report furnished by or on behalf 
of the Borrower in connection with or pursuant to this Agreement contains any 
untrue statement of a material fact or omits to state any material fact 
necessary in order to make the statements contained therein not misleading. 
Certificates or statements furnished by or on behalf of the Borrower to the 
Banks consisting of projections or forecasts of future results or events have 
been prepared in good faith and based on good faith estimates and 

                                      -35-
<PAGE>

assumptions of the management of the Borrower, and the Borrower has no reason 
to believe that such projections or forecasts are not reasonable.

       Section 4.19  SUBSIDIARIES.  The Borrower has no Subsidiaries.

                                    ARTICLE V

                              AFFIRMATIVE COVENANTS

       Until any obligation of the Banks hereunder to make the Revolving 
Loans and of the Agent to issue Letters of Credit shall have expired or been 
terminated and the Revolving Notes and all of the other Obligations have been 
paid in full and all outstanding Letters of Credit shall have expired or the 
liability of the Agent thereon shall have otherwise been discharged, unless 
the Majority Banks shall otherwise consent in writing:

       Section 5.1   FINANCIAL STATEMENTS AND REPORTS.  The Borrower will 
furnish to the Banks:

              5.1(a) As soon as available and in any event within 90 days 
     after the end of each fiscal year of the Borrower, the consolidated 
     financial statements of the Borrower and the Subsidiaries consisting of 
     at least statements of income, cash flow and changes in stockholders' 
     equity, and a consolidated balance sheet as at the end of such year, 
     setting forth in each case in comparative form corresponding figures 
     from the previous annual audit, certified without qualification by 
     Arthur Andersen, LLP or other independent certified public accountants 
     of recognized national standing selected by the Borrower and acceptable 
     to the Agent, together with (a) form 10K filed with the Securities and 
     Exchange Commission, and (b) any management letters, management reports 
     or other supplementary comments or reports to the Borrower or its board 
     of directors furnished by such accountants.

              5.1(b) Together with the audited financial statements required 
     under Section 5.1 (a), a statement by the accounting firm performing 
     such audit to the effect that it has reviewed this Agreement and that in 
     the course of performing its examination nothing came to its attention 
     that caused it to believe that any Default or Event of Default exists 
     under Sections 6.7, 6.10, 6.12, 6.13, 6.15, 6.16, 6.17 or 6.18, or, if 
     such Default or Event of Default exists, describing its nature.

              5.1(c) As soon as available and in any event within 45 days 
     after the end of each fiscal quarter, unaudited consolidated statements 
     of

                                     -36-
<PAGE>

     income, cash flow and changes in stockholders' equity for the Borrower 
     and the Subsidiaries for such quarter and for the period from the 
     beginning of such fiscal year to the end of such quarter, and a 
     consolidated balance sheet of the Borrower as at the end of such 
     quarter, setting forth in comparative form figures for the corresponding 
     period for the preceding fiscal year, accompanied by a certificate 
     signed by the chief financial officer of the Borrower stating that such 
     financial statements present fairly the financial condition of the 
     Borrower and the Subsidiaries and that the same have been prepared in 
     accordance with GAAP (except for the absence of footnotes and subject to 
     year-end audit adjustments as to the interim statements), together with 
     form 10Q filed with the Securities and Exchange Commission.

              5.1(d) As soon as practicable and in any event within 45 days 
     after the end of each of the first three fiscal quarters of each fiscal 
     year, a Compliance Certificate in the form attached hereto as EXHIBIT 
     5.1(d) signed by the chief financial officer of the Borrower 
     demonstrating in reasonable detail compliance (or noncompliance, as the 
     case may be) with these Sections: 6.16, 6.17 and 6.18, as at the end of 
     such quarter and stating that as at the end of such quarter there did 
     not exist any Default or Event of Default or, if such Default or Event 
     of Default existed, specifying the nature and period of existence 
     thereof and what action the Borrower proposes to take with respect 
     thereto.

              5.1(e) As soon as practicable and in any event within fifteen 
     days after the end of each month, a Borrowing Base Certificate signed by 
     the chief financial officer of the Borrower, reporting the Borrowing 
     Base as of the last day of the month just ended.

              5.1(f) As soon as practicable and in any event within 90 days 
     after the beginning of each fiscal year of the Borrower, statements of 
     forecasted consolidated income for the Borrower and the Subsidiaries for 
     each fiscal quarter in such fiscal year and each fiscal year thereafter 
     to the Termination Date and a forecasted consolidated balance sheet of 
     the Borrower and the Subsidiaries, together with supporting assumptions, 
     as at the end of each fiscal year, all in reasonable detail and 
     reasonably satisfactory in scope to Majority Banks.

              5.1(g) Immediately upon any officer of the Borrower becoming 
     aware of any Default or Event of Default, a notice describing the nature 
     thereof and what action the Borrower proposes to take with respect 
     thereto.

                                      -37-
<PAGE>

              5.1(h) Immediately upon any officer of the Borrower becoming 
     aware of the occurrence, with respect to any Plan, of any Reportable 
     Event or any Prohibited Transaction which could reasonably be expected 
     to result in a material excise tax or civil penalty payable directly or 
     indirectly by the Borrower or otherwise have a material adverse effect, 
     a notice specifying the nature thereof and what action the Borrower 
     proposes to take with respect thereto, and, when received, copies of any 
     notice from PBGC of intention to terminate or have a trustee appointed 
     for any Plan.

              5.1(i) Promptly upon the mailing or filing thereof, copies of 
     all financial statements, reports and proxy statements mailed to the 
     Borrower's shareholders, and copies of all registration statements, 
     periodic reports and other documents filed with the Securities and 
     Exchange Commission (or any successor thereto) or any national 
     securities exchange.

              5.1(j) From time to time, such other information regarding the 
     business, operation and financial condition of the Borrower and the 
     Subsidiaries as any Bank may reasonably request.

     Section 5.2   CORPORATE EXISTENCE.  The Borrower will maintain, and 
cause each Subsidiary to maintain, its corporate existence in good standing 
under the laws of its jurisdiction of incorporation and its qualification to 
transact business in each jurisdiction where failure so to qualify would 
permanently preclude the Borrower or such Subsidiary from enforcing its 
rights with respect to any material asset or would expose the Borrower or 
such Subsidiary to any material liability; provided, however, that nothing 
herein shall prohibit the merger or liquidation of any Subsidiary allowed 
under Section 6.1.

     Section 5.3   INSURANCE.  The Borrower shall maintain, and shall cause 
each Subsidiary to maintain, with financially sound and reputable insurance 
companies such insurance as may be required by law and such other insurance 
in such amounts and against such hazards as is customary in the case of 
reputable firms engaged in the same or similar business and similarly 
situated.  Such insurance policies may be subject to deductibles and 
self-insurance as is customary in the case of reputable firms engaged in the 
same or similar business and similarly situated.

     Section 5.4   PAYMENT OF TAXES AND CLAIMS.  The Borrower shall file, 
and cause each Subsidiary to file, all tax returns and reports which are 
required by law to be filed by it and will pay, and cause each Subsidiary to 
pay, before they become delinquent all taxes, assessments and governmental 
charges and levies 

                                      -38-


<PAGE>

imposed upon it or its property and all claims or demands of any kind 
(including but not limited to those of suppliers, mechanics, carriers, 
warehouses, landlords and other like Persons) which, if unpaid, might result 
in the creation of a Lien upon its property; provided that the foregoing 
items need not be paid if they are being contested in good faith by 
appropriate proceedings, and as long as the Borrower's or such Subsidiary's 
title to its property is not materially adversely affected, its use of such 
property in the ordinary course of its business is not materially interfered 
with and adequate reserves with respect thereto have been set aside on the 
Borrower's or such Subsidiary's books in accordance with GAAP.

     Section 5.5   INSPECTION.  The Borrower shall permit any Person 
designated by the Agent or the Majority Banks to visit and inspect any of the 
properties, corporate books and financial records of the Borrower and the 
Subsidiaries, to examine and to make copies of the books of accounts and 
other financial records of the Borrower and the Subsidiaries, and to discuss 
the affairs, finances and accounts of the Borrower and the Subsidiaries with, 
and to be advised as to the same by, its officers at such reasonable times 
and intervals as the Agent or the Majority Banks may designate.  So long as 
no Event of Default exists, the expenses of the Agent or the Banks for such 
visits, inspections and examinations shall be at the expense of the Agent and 
the Banks, but any such visits, inspections and examinations made while any 
Event of Default is continuing shall be at the expense of the Borrower.

     Section 5.6   MAINTENANCE OF PROPERTIES.  The Borrower will maintain, 
and cause each Subsidiary to maintain its properties used or useful in the 
conduct of its business in good condition, repair and working order, and 
supplied with all necessary equipment, and make all necessary repairs, 
renewals, replacements, betterments and improvements thereto, all as may be 
necessary so that the business carried on in connection therewith may be 
properly and advantageously conducted at all times.

     Section 5.7   BOOKS AND RECORDS.  The Borrower will keep, and will cause 
each Subsidiary to keep, adequate and proper records and books of account in 
which full and correct entries will be made of its dealings, business and 
affairs.

     Section 5.8   COMPLIANCE.  The Borrower will comply, and will cause each 
Subsidiary to comply, in all material respects with all laws, rules, 
regulations, orders, writs, judgments, injunctions, decrees or awards to 
which it may be subject; provided, however, that failure so to comply shall 
not be a breach of this covenant if such failure does not have, or is not 
reasonably expected to have, a materially adverse effect on the properties, 
business, prospects or condition (financial or otherwise) of the Borrower or 
such Subsidiary and the 

                                     -39-
<PAGE>

Borrower or such Subsidiary is acting in good faith and with reasonable 
dispatch to cure such noncompliance.

     Section 5.9   NOTICE OF LITIGATION.  The Borrower will give prompt 
written notice to the Agent of the commencement of any action, suit or 
proceeding before any court or arbitrator or any governmental department, 
board, agency or other instrumentality affecting the Borrower or any 
Subsidiary or any property of the Borrower or a Subsidiary or to which the 
Borrower or a Subsidiary is a party in which an adverse determination or 
result could reasonably be expected to have a material adverse effect on the 
business, operations, property or condition (financial or otherwise) of the 
Borrower and the Subsidiaries taken as a whole or on the ability of the 
Borrower or any Subsidiary to perform its obligations under this Agreement 
and the other Loan Documents, stating the nature and status of such action, 
suit or proceeding.

     Section 5.10  ERISA.  The Borrower will maintain, and cause each 
Subsidiary to maintain, each Plan in compliance with all material applicable 
requirements of ERISA and of the Code and with all applicable rulings and 
regulations issued under the provisions of ERISA and of the Code and will not 
and not permit any of the ERISA Affiliates to (a) engage in any transaction 
in connection with which the Borrower or any of the ERISA Affiliates would be 
subject to either a civil penalty assessed pursuant to Section 502(i) of 
ERISA or a tax imposed by Section 4975 of the Code, in either case in an 
amount exceeding $50,000, (b) fail to make full payment when due of all 
amounts which, under the provisions of any Plan, the Borrower or any ERISA 
Affiliate is required to pay as contributions thereto, or permit to exist any 
accumulated funding deficiency (as such term is defined in Section 302 of 
ERISA and Section 412 of the Code), whether or not waived, with respect to 
any Plan in an aggregate amount exceeding $50,000 or (c) fail to make any 
payments in an aggregate amount exceeding $50,000 to any Multiemployer Plan 
that the Borrower or any of the ERISA Affiliates may be required to make 
under any agreement relating to such Multiemployer Plan or any law pertaining 
thereto.

     Section 5.11  ENVIRONMENTAL MATTERS; REPORTING.  The Borrower will
observe and comply with, and cause each Subsidiary to observe and comply with,
all laws, rules, regulations and orders of any government or government agency
relating to health, safety, pollution, hazardous materials or other
environmental matters to the extent non-compliance could result in a material
liability or otherwise have a material adverse effect on the Borrower and the
Subsidiaries taken as a whole.  The Borrower will give the Agent prompt written
notice of any violation as to any environmental matter by the Borrower or any
Subsidiary and of the commencement of any judicial or administrative proceeding
relating to health, safety or environmental matters (a) in which an 

                                     -40-
<PAGE>

adverse determination or result could reasonably be expected to result in the 
revocation of or have a material adverse effect on any operating permits, air 
emission permits, water discharge permits, hazardous waste permits or other 
permits held by the Borrower or any Subsidiary which are material to the 
operations of the Borrower or such Subsidiary, or (b) which will or threatens 
to impose a material liability on the Borrower or such Subsidiary to any 
Person or which will require a material expenditure by the Borrower or such 
Subsidiary to cure any alleged problem or violation.

     Section 5.12   YEAR 2000. The Borrower will (a) review and assess its 
business operations, equipment and machinery and computer systems and 
applications to address the "year 2000 problem" (that is, that computer 
applications and other equipment used by the Borrower, directly or indirectly 
through third parties, may be unable to properly perform date-sensitive 
functions before, during and after January 1, 2000); (b) develop a plan and a 
contingency plan which will include expense estimates to address the year 
2000 problem and to remediate any material year 2000 problem; and (c) 
substantially complete implementation of the plan and remediation of material 
year 2000 problems by December 31, 1998, and testing thereof by July 1, 1999.

     Section 5.13  OPERATING ACCOUNTS. The Borrower shall maintain all of its 
and its Subsidiaries' material operating accounts (e.g., checking accounts, 
savings and investment accounts, cash management accounts) with U.S. Bank or 
its affiliates.

     Section 5.14  FURTHER ASSURANCES.  The Borrower shall promptly correct 
any defect or error that may be discovered in any Loan Document or in the 
execution, acknowledgment or recordation thereof.  Promptly upon request by 
the Agent or the Majority Banks, the Borrower also shall do, execute, 
acknowledge, deliver, record, re-record, file, re-file, register and 
re-register, any and all deeds, conveyances, mortgages, deeds of trust, trust 
deeds, assignments, estoppel certificates, financing statements and 
continuations thereof, notices of assignment, transfers, certificates, 
assurances and other instruments as the Agent or the Majority Banks may 
reasonable require from time to time in order: (a) to carry out more 
effectively the purposes of the Loan Documents; (b) to perfect and maintain 
the validity, effectiveness and priority of any security interests intended 
now or hereafter to be created by the Loan Documents; and (c) to better 
assure, convey, grant, assign, transfer, preserve, protect and confirm unto 
the Banks the rights granted now or hereafter intended to be granted to the 
Banks under any Loan Document or under any other instrument executed in 
connection with any Loan Document or that the Borrower may be or become bound 
to convey, mortgage or assign to the Agent 

                                     -41-
<PAGE>

for the benefit of the Banks in order to carry out the intention or 
facilitate the performance of the provisions of any Loan Document.  The 
Borrower shall furnish to the Banks evidence satisfactory to the Majority 
Banks of every such recording, filing or registration.

                                     ARTICLE VI

                                 NEGATIVE COVENANTS

     Until any obligation of the Banks hereunder to make the Revolving Loans 
and of the Agent to issue Letters of Credit shall have expired or been 
terminated and the Revolving Notes and all of the other Obligations have been 
paid in full and all outstanding Letters of Credit shall have expired or the 
liability of the Agent thereon shall have otherwise been discharged, unless 
the Majority Banks shall otherwise consent in writing:

     Section 6.1   MERGER.  The Borrower will not merge or consolidate or 
enter into any analogous reorganization or transaction with any Person or 
liquidate, wind up or dissolve itself (or suffer any liquidation or 
dissolution) or permit any Subsidiary to do any of the foregoing; PROVIDED, 
HOWEVER, any Subsidiary may be merged with or liquidated into the Borrower or 
any wholly-owned Subsidiary if the Borrower or such wholly-owned Subsidiary 
is the surviving corporation.

     Section 6.2   DISPOSITION OF ASSETS.  The Borrower will not, and will 
not permit any Subsidiary to, directly or indirectly, sell, assign, lease, 
convey, transfer or otherwise dispose of (whether in one transaction or a 
series of transactions) any property (including accounts and notes 
receivable, with or without recourse) or enter into any agreement to do any 
of the foregoing, except:

             6.2(a)  dispositions of inventory, or used, worn-out or surplus 
     equipment, all in the ordinary course of business;

             6.2(b)  the sale of equipment to the extent that such equipment 
     is exchanged for credit against the purchase price of similar 
     replacement equipment, or the proceeds of such sale are applied with 
     reasonable promptness to the purchase price of such replacement 
     equipment; and

             6.2(c)  other dispositions of property during each fiscal year 
     of the Borrower which, in the aggregate, either (i)did not contribute 
     more than 10% of the consolidated net income of the Borrower and its 
     Subsidiaries (before extraordinary gains or losses) for any of the three 
     most recently ended fiscal years, or (ii) did not constitute more than 5% 
     of the total 

                                     -42-
<PAGE>

     consolidated assets of the Company and its Subsidiaries as shown on its 
     balance sheet as at the end of its most recent prior fiscal year.

     Section 6.3   PLANS.  The Borrower will not permit, and will not allow 
any Subsidiary to permit, any event to occur or condition to exist which 
would permit any Plan to terminate under any circumstances which would cause 
the Lien provided for in Section 4068 of ERISA to attach to any assets of the 
Borrower or any Subsidiary; and the Borrower will not permit, as of the most 
recent valuation date for any Plan subject to Title IV of ERISA, the present 
value (determined on the basis of reasonable assumptions employed by the 
independent actuary for such Plan and previously furnished in writing to the 
Banks) of such Plan's projected benefit obligations to exceed the fair market 
value of such Plan's assets by more than $50,000.

     Section 6.4   CHANGE IN NATURE OF BUSINESS.  The Borrower will not, and 
will not permit any Subsidiary to, make any material change in the nature of 
the business of the Borrower or such Subsidiary, as carried on at the date 
hereof, or to enter into any new lines of business other than those engaged 
in at the date hereof.

     Section 6.5   SUBSIDIARIES.  After the date of this Agreement, the 
Borrower will not, and will not permit any Subsidiary to, form or acquire any 
corporation which would thereby become a Subsidiary.

     Section 6.6   NEGATIVE PLEDGES; SUBSIDIARY RESTRICTIONS.  Except for the 
Senior Unsecured Note Documents, the Borrower will not, and will not permit 
any Subsidiary to, enter into any agreement, bond, note or other instrument 
with or for the benefit of any Person other than the Banks which would (i) 
prohibit the Borrower or such Subsidiary from granting, or otherwise limit 
the ability of the Borrower or such Subsidiary to grant, to the Banks any 
Lien on any assets or properties of the Borrower or such Subsidiary, or (ii) 
require the Borrower or such Subsidiary to grant a Lien to any other Person 
if the Borrower or such Subsidiary grants any Lien to the Banks.  Except for 
the Senior Unsecured Note Documents and this Agreement, the Borrower will not 
permit any Subsidiary to place or allow any restriction, directly or 
indirectly, on the ability of such Subsidiary to (a) pay dividends or any 
distributions on or with respect to such Subsidiary's capital stock or (b) 
make loans or other cash payments to the Borrower.

       Notwithstanding the above, in the event that the Borrower or any
Subsidiary creates or assumes any Lien upon any of its property or assets,
whether now owned or hereafter acquired, other than Liens permitted by
Section 6.14, the Borrower will make or cause to be made effective provisions

                                     -43-
<PAGE>

whereby the Obligations hereunder will be secured by such Lien equally and 
ratably with any and all other Indebtedness thereby secured so long as such 
other Indebtedness shall be so secured.

     Section 6.7   RESTRICTED PAYMENTS.  The Borrower will not make any 
Restricted Payments, except that during any fiscal year of the Borrower, the 
Borrower may pay dividends or make distributions on or with respect to its 
capital stock in an aggregate amount not exceeding 25% of the Borrower's 
total consolidated net income as shown on its audited income statement for 
its most recent prior fiscal year.

     Section 6.8   TRANSACTIONS WITH AFFILIATES.  The Borrower will not, and 
will not permit any Subsidiary to, enter into any transaction with any 
Affiliate of the Borrower, except upon fair and reasonable terms no less 
favorable to the Borrower or such Subsidiary than would obtain in a 
comparable arm's-length transaction with a Person not an Affiliate.

     Section 6.9   ACCOUNTING CHANGES AND MANAGEMENT CHANGES.  The Borrower 
will not, and will not permit any Subsidiary to, make any significant change 
in accounting treatment or reporting practices, except as required by GAAP, 
or change its fiscal year or the fiscal year of any Subsidiary.  The Borrower 
will provide to the Agent written notice of any change of management of the 
Borrower.

     Section 6.10  CAPITAL EXPENDITURES.  The Borrower will not, and will not 
permit any Subsidiary to, make Capital Expenditures for non-revenue 
generating capital assets in an amount exceeding $5 million on a consolidated 
basis in any fiscal year.

     Section 6.11  SUBORDINATED DEBT.  The Borrower will not, and will not 
permit any Subsidiary to (a) make any scheduled payment of the principal of 
or interest on any Subordinated Debt which would be prohibited by the terms 
of such Subordinated Debt and any related subordination agreement; (b) 
directly or indirectly make any prepayment on or purchase, redeem or defease 
any Subordinated Debt or offer to do so (whether such prepayment, purchase or 
redemption, or offer with respect thereto, is voluntary or mandatory); (c) 
amend or cancel the subordination provisions applicable to any Subordinated 
Debt; (d) take or omit to take any action if as a result of such action or 
omission the subordination of such Subordinated Debt, or any part thereof, to 
the Obligations might be terminated, impaired or adversely affected; or (e) 
omit to give the Agent prompt notice of any notice received from any holder 
of Subordinated Debt, or any trustee therefor, or of any default under any 

                                     -44-
<PAGE>

agreement or instrument relating to any Subordinated Debt by reason whereof 
such Subordinated Debt might become or be declared to be due or payable.

     Section 6.12  INVESTMENTS.  The Borrower will not, and will not permit 
any Subsidiary to, acquire for value, make, have or hold any Investments, 
except:

             6.12(a)  Investments existing on the date of this Agreement.

             6.12(b)  Reasonable travel advances to management personnel, 
     employees and sales agents and representatives in the ordinary course of 
     business.

             6.12(c)  Investments in readily marketable direct obligations 
     issued or guaranteed by the United States or any agency thereof and 
     supported by the full faith and credit of the United States.

             6.12(d)  Certificates of deposit or bankers' acceptances issued 
     by any commercial bank organized under the laws of the United States or 
     any State thereof which has (i) combined capital and surplus of at least 
     $100,000,000, and (ii) a credit rating with respect to its unsecured 
     indebtedness from a nationally recognized rating service that is 
     satisfactory to the Agent.

              6.12(e)  Commercial paper given the highest rating by a 
     nationally recognized rating service.

              6.12(f)  Repurchase agreements relating to securities issued or 
     guaranteed as to principal and interest by the United States of America.

              6.12(g)  Other readily marketable Investments in debt 
     securities which are reasonably acceptable to the Majority Banks.

              6.12(h)  Notes, chattel paper or other forms of seller-financed 
     installment sales of tractors and trailers in the ordinary course of 
     business and permitted by Section 6.2(c) which in the aggregate does not 
     exceed $3,000,000 at any time (valued at the outstanding principal 
     amount plus accrued interest as of the date of any determination).

              6.12(i)  Any other Investment, including acquisitions of real 
     estate and equipment not in the ordinary course of business, if the 
     aggregate consideration therefor does not exceed $100,000.

                                     -45-
<PAGE>

Any Investments under clauses (c), (d), (e) or (f) above must mature within 
one year of the acquisition thereof by the Borrower or a Subsidiary.

     Section 6.13  INDEBTEDNESS.  The Borrower will not, and will not permit 
any Subsidiary to, incur, create, issue, assume or suffer to exist any 
Indebtedness, except:

             6.13(a)  The Obligations.

             6.13(b)  Current Liabilities, other than for borrowed money, 
     incurred in the ordinary course of business.

             6.13(c)  Indebtedness existing on the date of this Agreement and 
     disclosed on SCHEDULE 6.13 hereto, but not including any extension or 
     refinancing thereof.

             6.13(d)  Indebtedness which, at the time of determination, does 
     not exceed the difference (but not less than zero) between (i) 15% of 
     consolidated net worth of the Borrower and its Subsidiaries, and (ii) the 
     aggregate balance of Indebtedness under Section 6.13(c) outstanding as of 
     the date of determination.

     Section 6.14  LIENS.  The Borrower will not, and will not permit any 
Subsidiary to, create, incur, assume or suffer to exist any Lien, or enter 
into, or make any commitment to enter into, any arrangement for the 
acquisition of any property through conditional sale, lease-purchase or other 
title retention agreements, with respect to any property now owned or 
hereafter acquired by the Borrower or a Subsidiary, except:

             6.14(a)  Any Liens which may hereafter be granted to the Agent 
     and the Banks to secure the Obligations.

             6.14(b)  Liens existing on the date of this Agreement and 
     disclosed on SCHEDULE 6.14 hereto.

             6.14(c)  Liens securing Indebtedness under Section 6.13(d).

             6.14(d)  Deposits or pledges to secure payment of workers' 
     compensation, unemployment insurance, old age pensions or other social 
     security obligations, in the ordinary course of business of the Borrower 
     or a Subsidiary.

                                     -46-
<PAGE>

             6.14(e)  Liens for taxes, fees, assessments and governmental 
     charges not delinquent or to the extent that payment therefor shall not 
     at the time be required to be made in accordance with the provisions of 
     Section 5.4.

             6.14(f)  Liens of carriers, warehousemen, mechanics and 
     materialmen, and other like Liens arising in the ordinary course of 
     business, for sums not due or to the extent that payment therefor shall 
     not at the time be required to be made in accordance with the provisions 
     of Section 5.4.

              6.14(g)  Liens incurred or deposits or pledges made or 
     given in connection with, or to secure payment of, indemnity, 
     performance or other similar bonds.

              6.14(h)  Liens arising solely by virtue of any statutory 
     or common law provision relating to banker's liens, rights of set-off or 
     similar rights and remedies as to deposit accounts or other funds 
     maintained with a creditor depository institution; PROVIDED THAT (i) 
     such deposit account is not a dedicated cash collateral account and is 
     not subject to restriction against access by the Borrower or a 
     Subsidiary in excess of those set forth by regulations promulgated by 
     the Board, and (ii) such deposit account is not intended by the Borrower 
     or any Subsidiary to provide collateral to the depository institution.

              6.14(i)  Encumbrances in the nature of zoning restrictions, 
     easements and rights or restrictions of record on the use of real 
     property and landlord's Liens under leases on the premises rented, which 
     do not materially detract from the value of such property or impair the 
     use thereof in the business of the Borrower or a Subsidiary.

     Section 6.15  CONTINGENT LIABILITIES.  The Borrower will not, and will 
not permit any Subsidiary to, be or become liable on any Contingent 
Obligations, except Contingent Obligations existing on the date of this 
Agreement and described on SCHEDULE 6.15, or which, if deemed to be 
Indebtedness, would not cause a Default or Event of Default under any other 
covenant contained in this Article VI.

     Section 6.16  TANGIBLE NET WORTH.  The Borrower will not permit its 
Tangible Net Worth to be less than $45,000,000 at any time during the fiscal 
quarter ending December 31, 1998, which $45,000,000 shall be cumulatively 
increased at the beginning of each fiscal quarter thereafter by an amount 
equal to 50% of the consolidated net income of the Borrower (if a positive 
number) as

                                     -47-
<PAGE>

shown on its income statement for the immediately preceding fiscal quarter. 
(No adjustments shall be made for net losses.)

     Section 6.17  INTEREST COVERAGE RATIO.  The Borrower will not permit the 
Interest Coverage Ratio, as of the last day of any fiscal quarter, for the 
four consecutive fiscal quarters ending on that date to be less than 2.25 to 
1.0.

     Section 6.18  CASH FLOW LEVERAGE RATIO.  The Borrower will not permit 
the Cash Flow Leverage Ratio, as of the last day of any fiscal quarter for 
the four consecutive fiscal quarters ending on that date to be more than 3.25 
to 1.0.

     Section 6.19  LOAN PROCEEDS.   The Borrower will not, and will not 
permit any Subsidiary to, use any part of the proceeds of any Revolving Loan 
or Advances directly or indirectly, and whether immediately, incidentally or 
ultimately, (a) to purchase or carry margin stock (as defined in Regulation U 
of the Board) or to extend credit to others for the purpose of purchasing or 
carrying margin stock or to refund Indebtedness originally incurred for such 
purpose or (b) for any purpose which entails a violation of, or which is 
inconsistent with, the provisions of Regulations G, U or X of the Board.

     Section 6.20  SENIOR UNSECURED NOTE DOCUMENTS.

             6.20(a)  The Borrower will not enter into any amendment of the 
     Senior Unsecured Note Documents affecting any material terms of the 
     Notes (as defined in the Note Purchase Agreement) or covenants, and will 
     provide to the Agent a prior copy of any notice or confirmation 
     (including the Borrower's election to issue "Shelf Notes" thereunder) 
     given by the Borrower to the lender(s) thereunder, and a copy of any 
     waiver by the lender(s) thereunder promptly upon receipt.

              6.20(b)  None of such Notes, including the Shelf Notes, shall 
     be secured by any assets of the Borrower or any of its Subsidiaries.  If 
     the Borrower elects to issue any such Shelf Notes, the payment terms 
     (other than interest rate and term) of such Shelf Notes shall be 
     substantially the same as the terms of the "Series A Notes" issued under 
     the Note Purchase Agreement, and the term thereof shall be within the 
     limits therefor set forth in the Note Purchase Agreement.

              6.20(c)  The Borrower will not optionally prepay (or purchase, 
     defease or otherwise retire) all or any portion of such Notes while any 
     of its Obligations under this Agreement remain outstanding.

                                     -48-
<PAGE>

                                    ARTICLE VII

                           EVENTS OF DEFAULT AND REMEDIES

     Section 7.1   EVENTS OF DEFAULT.  The occurrence of any one or more of
the following events shall constitute an Event of Default:

             7.1(a)  The Borrower shall fail to make when due, whether by 
     acceleration or otherwise, any payment of principal of or interest on 
     any Revolving Note or any other Obligation, required to be made to the 
     Agent or any Bank pursuant to this Agreement.

             7.1(b)  Any representation or warranty made by or on behalf of 
     the Borrower, any Subsidiary or any Related Person in this Agreement or 
     any other Loan Document or by or on behalf of the Borrower, any 
     Subsidiary or any Related Person in any certificate, statement, report 
     or document herewith or hereafter furnished to any Bank or the Agent 
     pursuant to this Agreement or any other Loan Document shall prove to 
     have been false or misleading in any material respect on the date as of 
     which the facts set forth are stated or certified.

             7.1(c)  The Borrower shall fail to comply with Sections 5.2 or 
     5.3 hereof or any Section of Article VI hereof.

             7.1(d)  The Borrower shall fail to comply with any other 
     agreement, covenant, condition, provision or term contained in this 
     Agreement (other than those hereinabove set forth in this Section 7.1) 
     and such failure to comply shall continue for 30 calendar days after 
     whichever of the following dates is the earliest:  (i) the date the 
     Borrower gives notice of such failure to the Banks, (ii) the date the 
     Borrower should have given notice of such failure to the Banks pursuant 
     to Section 5.1, or (iii) the date the Agent or any Bank gives notice of 
     such failure to the Borrower.

             7.1(e)  The Borrower or any Subsidiary shall become insolvent or 
     shall generally not pay its debts as they mature or shall apply for, 
     shall consent to, or shall acquiesce in the appointment of a custodian, 
     trustee or receiver of the Borrower or such Subsidiary or for a 
     substantial part of the property thereof or, in the absence of such 
     application, consent or acquiescence, a custodian, trustee or receiver 
     shall be appointed for the Borrower or a Subsidiary or for a substantial 
     part of the property thereof and shall not be discharged within 45 days, 
     or the Borrower or any Subsidiary shall make an assignment for the 
     benefit of creditors.

                                     -49-
<PAGE>

             7.1(f)  Any bankruptcy, reorganization, debt arrangement or 
     other proceedings under any bankruptcy or insolvency law shall be 
     instituted by or against the Borrower or any Subsidiary, and, if 
     instituted against the Borrower or any Subsidiary, shall have been 
     consented to or acquiesced in by the Borrower or such Subsidiary, or 
     shall remain undismissed for 30 days, or an order for relief shall have 
     been entered against the Borrower or such Subsidiary.

             7.1(g)  Any dissolution or liquidation proceeding not permitted 
     by Section 6.1 shall be instituted by or against the Borrower or a 
     Subsidiary, and, if instituted against the Borrower or any Subsidiary, 
     shall be consented to or acquiesced in by the Borrower or such 
     Subsidiary or shall remain for 60 days undismissed.

             7.1(h)  A judgment or judgments for the payment of money in 
     excess of the sum of $1,000,000 in the aggregate shall be rendered 
     against the Borrower or a Subsidiary and either (i) the judgment 
     creditor executes on such judgment or (ii) such judgment remains unpaid 
     or undischarged for more than 60 days from the date of entry thereof or 
     such longer period during which execution of such judgment shall be 
     stayed during an appeal from such judgment.

             7.1(i)  The maturity of any material Indebtedness of the 
     Borrower (other than Indebtedness under this Agreement) or a Subsidiary 
     shall be accelerated, or the Borrower or a Subsidiary shall fail to pay 
     any such material Indebtedness when due (after the lapse of any 
     applicable grace period) or, in the case of such Indebtedness payable on 
     demand, when demanded (after the lapse of any applicable grace period), 
     or any event shall occur or condition shall exist and shall continue for 
     more than the period of grace, if any, applicable thereto and shall have 
     the effect of causing, or permitting the holder of any such Indebtedness 
     or any trustee or other Person acting on behalf of such holder to cause, 
     such material Indebtedness to become due prior to its stated maturity or 
     to realize upon any collateral given as security therefor.  For purposes 
     of this Section, Indebtedness of the Borrower or a Subsidiary shall be 
     deemed "material" if it exceeds $5,000,000 as to any item of 
     Indebtedness or in the aggregate for all items of Indebtedness with 
     respect to which any of the events described in this Section 7.1(j) has 
     occurred.

             7.1(j)  Any execution or attachment shall be issued whereby any 
     substantial part of the property of the Borrower or any Subsidiary shall

                                     -50-
<PAGE>

     be taken or attempted to be taken and the same shall not have been 
     vacated or stayed within 30 days after the issuance thereof.

     Section 7.2   REMEDIES.   If (a) any Event of Default described in 
Sections 7.1(f), (g) or (h) shall occur with respect to the Borrower, the 
Revolving Commitments shall automatically terminate and the Revolving Notes 
and all other Obligations shall automatically become immediately due and 
payable, and the Borrower shall without demand pay into the Holding Account 
an amount equal to the aggregate face amount of all outstanding Letters of 
Credit; or (b) any other Event of Default shall occur and be continuing, 
then, upon receipt by the Agent of a request in writing from the Majority 
Banks, the Agent shall take any of the following actions so requested: (i) 
declare the Revolving Commitments terminated, whereupon the Revolving 
Commitments shall terminate, (ii) declare the outstanding unpaid principal 
balance of the Revolving Notes, the accrued and unpaid interest thereon and 
all other Obligations to be forthwith due and payable, whereupon the 
Revolving Notes, all accrued and unpaid interest thereon and all such 
Obligations shall immediately become due and payable, in each case without 
presentment, demand, protest or other notice of any kind, all of which are 
hereby expressly waived, anything in this Agreement or in the Notes to the 
contrary notwithstanding, and (iii) demand that the Borrower pay into the 
Holding Account an amount equal to the aggregate face amount of all 
outstanding Letters of Credit.  Upon the occurrence of any of the events 
described in clause (a) of the preceding sentence, or upon the occurrence of 
any of the events described in clause (b) of the preceding sentence when so 
requested by the Majority Banks, the Agent may exercise all rights and 
remedies under any of the Loan Documents, and enforce all rights and remedies 
under any applicable law.

     Section 7.3   OFFSET.  In addition to the remedies set forth in Section 
7.2, upon the occurrence of any Event of Default and thereafter while the 
same be continuing, the Borrower hereby irrevocably authorizes each Bank to 
set off any Obligations owed to such Bank against all deposits and credits of 
the Borrower with, and any and all claims of the Borrower against, such Bank. 
Such right shall exist whether or not such Bank shall have made any demand 
hereunder or under any other Loan Document, whether or not the Obligations, 
or any part thereof, or deposits and credits held for the account of the 
Borrower is or are matured or unmatured, and regardless of the existence or 
adequacy of any collateral, guaranty or any other security, right or remedy 
available to such Bank or the Banks.  Each Bank agrees that, as promptly as 
is reasonably possible after the exercise of any such setoff right, it shall 
notify the Borrower of its exercise of such setoff right; provided, however, 
that the failure of such Bank to provide such notice shall not affect the 
validity of the exercise of such 

                                     -51-
<PAGE>

setoff rights.  Nothing in this Agreement shall be deemed a waiver or 
prohibition of or restriction on any Bank to all rights of banker's Lien, 
setoff and counterclaim available pursuant to law.

                                    ARTICLE VIII

                                     THE AGENT

     The following provisions shall govern the relationship of the Agent with 
the Banks.

     Section 8.1   APPOINTMENT AND AUTHORIZATION.  Each Bank appoints and 
authorizes the Agent to take such action as agent on its behalf and to 
exercise such respective powers under the Loan Documents as are delegated to 
the Agent by the terms thereof, together with such powers as are reasonably 
incidental thereto.  Neither the Agent nor any of its directors, officers or 
employees shall be liable for any action taken or omitted to be taken by it 
under or in connection with the Loan Documents, except for its own gross 
negligence or willful misconduct.  The Agent shall act as an independent 
contractor in performing its obligations as Agent hereunder and nothing 
herein contained shall be deemed to create any fiduciary relationship among 
or between the Agent, the Borrower or the Banks.

     Section 8.2   NOTE HOLDERS.  The Agent may treat the payee of any 
Revolving Note as the holder thereof until written notice of transfer shall 
have been filed with it, signed by such payee and in form satisfactory to the 
Agent.

       Section 8.3   CONSULTATION WITH COUNSEL.  The Agent may consult with 
legal counsel selected by it and shall not be liable for any action taken or 
suffered in good faith by it in accordance with the advice of such counsel.

       Section 8.4   LOAN DOCUMENTS.  The Agent shall not be under a duty to 
examine or pass upon the validity, effectiveness, genuineness or value of any 
of the Loan Documents or any other instrument or document furnished pursuant 
thereto, and the Agent shall be entitled to assume that the same are valid, 
effective and genuine and what they purport to be.

       Section 8.5   U.S. BANK AND AFFILIATES.  With respect to its Revolving 
Commitment and the Revolving Loan made by it, U.S. Bank shall have the same 
rights and powers under the Loan Documents as any other Bank and may exercise 
the same as though it were not the Agent consistent with the terms thereof, 
and U.S. Bank and its Affiliates may accept deposits from, lend 

                                     -52-
<PAGE>

money to and generally engage in any kind of business with the Borrower as if 
it were not the Agent.

       Section 8.6   ACTION BY AGENT.  Except as may otherwise be expressly 
stated in this Agreement, the Agent shall be entitled to use its discretion 
with respect to exercising or refraining from exercising any rights which may 
be vested in it by, or with respect to taking or refraining from taking any 
action or actions which it may be able to take under or in respect of, the 
Loan Documents.  The Agent shall be required to act or to refrain from acting 
(and shall be fully protected in so acting or refraining from acting) upon 
the instructions of the Majority Banks, and such instructions shall be 
binding upon all holders of Revolving Notes; provided, however, that the 
Agent shall not be required to take any action which exposes the Agent to 
personal liability or which is contrary to the Loan Documents or applicable 
law.  The Agent shall incur no liability under or in respect of any of the 
Loan Documents by acting upon any notice, consent, certificate, warranty or 
other paper or instrument believed by it to be genuine or authentic or to be 
signed by the proper party or parties and to be consistent with the terms of 
this Agreement.

       Section 8.7   CREDIT ANALYSIS.  Each Bank has made, and shall continue 
to make, its own independent investigation or evaluation of the operations, 
business, property and condition, financial and otherwise, of the Borrower in 
connection with entering into this Agreement and has made its own appraisal 
of the creditworthiness of the Borrower.  Except as explicitly provided 
herein, the Agent has no duty or responsibility, either initially or on a 
continuing basis, to provide any Bank with any credit or other information 
with respect to such operations, business, property, condition or 
creditworthiness, whether such information comes into its possession on or 
before the first Event of Default or at any time thereafter.

       Section 8.8   NOTICES OF EVENT OF DEFAULT, ETC.  In the event that the 
Agent shall have acquired actual knowledge of any Event of Default or 
Default, the Agent shall promptly give notice thereof to the Banks.

       Section 8.9   INDEMNIFICATION.  Each Bank agrees to indemnify the Agent,
as Agent (to the extent not reimbursed by the Borrower), ratably according to
such Bank's share of the aggregate Revolving Commitment Amounts from and against
any and all liabilities, obligations, losses, damages, penalties, actions,
judgments, suits, costs, expenses or disbursements of any kind or nature
whatsoever which may be imposed on or incurred by the Agent in any way relating
to or arising out of the Loan Documents or any action taken or omitted by the
Agent under the Loan Documents, provided that no Bank shall be liable for any
portion of such liabilities, obligations, losses, damages, penalties, 

                                     -53-
<PAGE>

actions, judgments, suits, costs, expenses or disbursements resulting from 
the Agent's gross negligence or willful misconduct.  No payment by any Bank 
under this Section shall relieve the Borrower of any of its obligations under 
this Agreement.

       Section 8.10  PAYMENTS AND COLLECTIONS.  All funds received by the 
Agent in respect of any payments made by the Borrower on the Revolving Notes, 
Revolving Commitment Fees or Letter of Credit Fees shall be distributed 
forthwith by the Agent among the Banks, in like currency and funds as 
received, ratably according to each Bank's Revolving Percentage.  After any 
Event of Default has occurred, all funds received by the Agent, whether as 
payments by the Borrower or as realization on collateral or on any 
Guaranties, shall (except as may otherwise be required by law) be distributed 
by the Agent in the following order:  (a) first to the Agent or any Bank who 
has incurred unreimbursed costs of collection with respect to any Obligations 
hereunder, ratably to the Agent and each Bank in the proportion that the 
costs incurred by the Agent or such Bank bear to the total of all such costs 
incurred by the Agent and all Banks; (b) next to the Agent for the account of 
the Banks (in accordance with their respective Revolving Percentages) for 
application on the Revolving Notes; (c) next to the Agent for the account of 
the Banks (in accordance with their respective Revolving Percentages) for any 
unpaid Revolving Commitment Fees or Letter of Credit Fees owing by the 
Borrower hereunder; and (d) last to the Agent to be held in the Holding 
Account to cover any outstanding Letters of Credit.

       Section 8.11  SHARING OF PAYMENTS.  If any Bank shall receive and 
retain any payment, voluntary or involuntary, whether by setoff, application 
of deposit balance or security, or otherwise, in respect of Indebtedness 
under this Agreement or the Revolving Notes in excess of such Bank's share 
thereof as determined under this Agreement, then such Bank shall purchase 
from the other Banks for cash and at face value and without recourse, such 
participation in the Revolving Notes held by such other Banks as shall be 
necessary to cause such excess payment to be shared ratably as aforesaid with 
such other Banks; provided, that if such excess payment or part thereof is 
thereafter recovered from such purchasing Bank, the related purchases from 
the other Banks shall be rescinded ratably and the purchase price restored as 
to the portion of such excess payment so recovered, but without interest.  
Subject to the participation purchase obligation above, each Bank agrees to 
exercise any and all rights of setoff, counterclaim or banker's lien first 
fully against any Revolving Notes and participations therein held by such 
Bank, next to any other Indebtedness of the Borrower to such Bank arising 
under or pursuant to this Agreement and to any participations held by such 
Bank in 

                                     -54-
<PAGE>

Indebtedness of the Borrower arising under or pursuant to this Agreement, and 
only then to any other Indebtedness of the Borrower to such Bank.

       Section 8.12  ADVICE TO BANKS.  The Agent shall forward to the Banks 
copies of all notices, financial reports and other communications received 
hereunder from the Borrower by it as Agent, excluding, however, notices, 
reports and communications which by the terms hereof are to be furnished by 
the Borrower directly to each Bank.

       Section 8.13  RESIGNATION.  If at any time U.S. Bank shall deem it 
advisable, in its sole discretion, it may submit to each of the Banks and the 
Borrower a written notification of its resignation as Agent under this 
Agreement, such resignation to be effective upon the appointment of a 
successor Agent, but in no event later than 30 days from the date of such 
notice.  Upon submission of such notice, the Majority Banks may appoint a 
successor Agent.

                                     ARTICLE IX

                                   MISCELLANEOUS

       Section 9.1   MODIFICATIONS.  Notwithstanding any provisions to the 
contrary herein, any term of this Agreement may be amended with the written 
consent of the Borrower; provided that no amendment, modification or waiver 
of any provision of this Agreement or any other Loan Document or consent to 
any departure therefrom by the Borrower or other party thereto shall in any 
event be effective unless the same shall be in writing and signed by the 
Majority Banks, and then such amendment, modification, waiver or consent 
shall be effective only in the specific instance and for the purpose for 
which given.  (The Agent may enter into amendments or modifications of, and 
grant consents and waivers to departure from the provisions of, those Loan 
Documents to which the Banks are not signatories without the Banks joining 
therein, PROVIDED the Agent has first obtained the separate prior written 
consent to such amendment, modification, consent or waiver from the Majority 
Banks.)  Notwithstanding the forgoing, no such amendment, modification, 
waiver or consent shall:

             9.1(a)  Reduce the rate or extend the time of payment of 
     interest thereon, or reduce the amount of the principal thereof, or 
     modify any of the provisions of any Revolving  Note with respect to the 
     payment or repayment thereof, without the consent of the holder of each 
     Revolving Note so affected; or

                                     -55-
<PAGE>

             9.1(b)  Increase the amount or extend the time of any Revolving 
     Commitment of any Bank, without the consent of such Bank; or

             9.1(c)  Reduce the rate or extend the time of payment of any fee 
     payable to a Bank, without the consent of the Bank affected; or

             9.1(d)  Amend the definition of Majority Banks or otherwise 
     reduce the percentage of the Banks required to approve or effectuate any 
     such amendment, modification, waiver, or consent, without the consent of 
     all the Banks; or

             9.1(e)  Amend any of the foregoing Sections 9.1 (a) through (e) 
     or this Section 9.1(f) without the consent of all the Banks; or

             9.1(f)  Amend any provision of this Agreement relating to the 
     Agent in its capacity as Agent without the consent of the Agent; or

             9.1(g)  Amend any provision of this Agreement relating to the 
     issuance of Letters of Credit without the consent of the Agent.

     Section 9.2   EXPENSES. Whether or not the transactions contemplated
hereby are consummated, the Borrower agrees to reimburse the Agent upon demand
for all reasonable out-of-pocket expenses paid or incurred by the Agent
(including filing and recording costs and fees and expenses of Dorsey & Whitney
LLP, counsel to the Agent) in connection with the negotiation, preparation,
approval, review, execution, delivery, administration, amendment, modification
and interpretation of this Agreement and the other Loan Documents and any
commitment letters relating thereto.  The Borrower shall also reimburse the
Agent and each Bank upon demand for all reasonable out-of-pocket expenses
(including expenses of legal counsel) paid or incurred by the Agent or any Bank
in connection with the collection and enforcement of this Agreement and any
other Loan Document. The obligations of the Borrower under this Section shall
survive any termination of this Agreement.

     Section 9.3   WAIVERS, ETC.  No failure on the part of the Agent or the 
holder of a Revolving Note to exercise and no delay in exercising any power 
or right hereunder or under any other Loan Document shall operate as a waiver 
thereof; nor shall any single or partial exercise of any power or right 
preclude any other or further exercise thereof or the exercise of any other 
power or right.  The remedies herein and in the other Loan Documents provided 
are cumulative and not exclusive of any remedies provided by law.

     Section 9.4   NOTICES.  Except when telephonic notice is expressly 
authorized by this Agreement, any notice or other communication to any party 

                                     -56-
<PAGE>

in connection with this Agreement shall be in writing and shall be sent by 
manual delivery, telegram, telex, facsimile transmission, overnight courier 
or United States mail (postage prepaid) addressed to such party at the 
address specified on the signature page hereof, or at such other address as 
such party shall have specified to the other party hereto in writing.  All 
periods of notice shall be measured from the date of delivery thereof if 
manually delivered, from the date of sending thereof if sent by telegram, 
telex or facsimile transmission, from the first Business Day after the date 
of sending if sent by overnight courier, or from four days after the date of 
mailing if mailed; provided, however, that any notice to the Agent or any 
Bank under Article II hereof shall be deemed to have been given only when 
received by the Agent or such Bank.

     Section 9.5   TAXES.  The Borrower agrees to pay, and save the Agent and 
the Banks harmless from all liability for, any stamp or other taxes which may 
be payable with respect to the execution or delivery of this Agreement or the 
issuance of the Revolving Notes, which obligation of the Borrower shall 
survive the termination of this Agreement.

     Section 9.6   SUCCESSORS AND ASSIGNS; DISPOSITION OF LOANS; TRANSFEREES.
This Agreement shall be binding upon and inure to the benefit of the parties
hereto and their respective successors and assigns, except that the Borrower may
not assign its rights or delegate its obligations hereunder or under any other
Borrower Loan Document without the prior written consent of all the Banks.  Each
Bank may at any time sell, assign, transfer, grant participations in, or
otherwise dispose of any portion (in a minimum amount of $10,000,000) of its
Revolving Commitments, the Revolving Loans and/or Advances (each such interest
so disposed of being herein called a "Transferred Interest") to banks or other
financial institutions ("Transferees"); PROVIDED, HOWEVER, that a Bank may
dispose of a Transferred Interest only with the consents of the Agent and the
Borrower (which consents shall not be unreasonably withheld) and only upon
payment to the Agent by the parties to such disposition of a processing and
recording fee in the amount of $3,000 for each party.  The Borrower agrees that
each Transferee shall be entitled to the benefits of Sections 2.22, 2.23, 2.24,
2.25, 9.2 and 9.7 with respect to its Transferred Interest and that each
Transferee may exercise any and all rights of banker's Lien, setoff and
counterclaim as if such Transferee were a direct lender to the Borrower.  If any
Bank makes any assignment to a Transferee, then upon notice to the Borrower such
Transferee, to the extent of such assignment (unless otherwise provided
therein), shall become a "Bank" hereunder and shall have all the rights and
obligations of such Bank hereunder and such Bank shall be released from its
duties and obligations under this Agreement to the extent of such assignment.
Notwithstanding the sale by any Bank of any participation hereunder, (a) no
participant shall be deemed to be or have the 

                                      -57-
<PAGE>

rights and obligations of a Bank hereunder except that any participant shall 
have a right of setoff under Section 7.3 as if it were such Bank and the 
amount of its participation were owing directly to such participant by the 
Borrower and (b) such Bank shall not in connection with selling any such 
participation condition such Bank's rights in connection with consenting to 
amendments or granting waivers concerning any matter under any Loan Document 
upon obtaining the consent of such participant other than on matters relating 
to (i) any reduction in the amount of any principal of, or the amount of or 
rate of interest on, any Revolving  Note or Advance in which such 
participation is sold, (ii) any postponement of the date fixed for any 
payment of principal of or interest on any Revolving Note or Advance in which 
such participation is sold, or (iii) the release of any guaranty.  No Bank 
shall be permitted to enter into any assignment or participation with any 
Transferee who is not a United States Person unless such Transferee 
represents and warrants to such Bank that, as at the date of such assignment 
of participation, it is entitled to receive interest payments without 
withholding or deduction of any taxes and such Transferee executes and 
delivers to such Bank on or before the date of execution and delivery of 
documentation of such participation or assignment, a United States Internal 
Revenue Service Form1001 or 4224, or any successor to either of such forms, 
as appropriate, properly completed and claiming complete exemption from 
withholding and deduction of all federal income taxes.  A "United States 
Person" means any citizen, national or resident of the United States, any 
corporation or other entity created or organized in or under the laws of the 
United States or any political subdivision hereof or any estate or trust, in 
each case that is not subject to withholding of United States federal income 
taxes or other taxes on payment of interest, principal or fees hereunder..

     Section 9.7   CONFIDENTIALITY OF INFORMATION.  The Agent and each Bank
shall use reasonable efforts to assure that information about the Borrower and
its operations, affairs and financial condition, not generally disclosed to the
public or to trade and other creditors, which is furnished to the Agent or such
Bank pursuant to the provisions hereof is used only for the purposes of this
Agreement and any other relationship between any Bank and the Borrower and shall
not be divulged to any Person other than the Banks, their Affiliates and their
respective officers, directors, employees and agents, except: (a) to their
attorneys and accountants, (b) in connection with the enforcement of the rights
of the Banks hereunder and under the Revolving Notes and the Guaranties or
otherwise in connection with applicable litigation, (c) in connection with
assignments and participations and the solicitation of prospective assignees and
participants referred to in the immediately preceding Section, and (d) as may
otherwise be required or requested by any regulatory authority having
jurisdiction over any Bank or by any applicable law, rule, regulation or
judicial process, the opinion of such Bank's counsel concerning the making of
such 

                                      -58-
<PAGE>

disclosure to be binding on the parties hereto.  No Bank shall incur any 
liability to the Borrower by reason of any disclosure permitted by this 
Section 9.7.

     Section 9.8   GOVERNING LAW AND CONSTRUCTION.  THE VALIDITY, 
CONSTRUCTION AND ENFORCEABILITY OF THIS AGREEMENT AND THE REVOLVING NOTES 
SHALL BE GOVERNED BY THE INTERNAL LAWS OF THE STATE OF MINNESOTA, WITHOUT 
GIVING EFFECT TO CONFLICT OF LAWS PRINCIPLES THEREOF, BUT GIVING EFFECT TO 
FEDERAL LAWS OF THE UNITED STATES APPLICABLE TO NATIONAL BANKS.  Whenever 
possible, each provision of this Agreement and the other Loan Documents and 
any other statement, instrument  or transaction contemplated hereby or 
thereby or relating hereto or thereto shall be interpreted in such manner as 
to be effective and valid under such applicable law, but, if any provision of 
this Agreement, the other Loan Documents or any other statement, instrument 
or transaction contemplated hereby or thereby or relating hereto or thereto 
shall be held to be prohibited or invalid under such applicable law, such 
provision shall be ineffective only to the extent of such prohibition or 
invalidity, without invalidating the remainder of such provision or the 
remaining provisions of this Agreement, the other Loan Documents or any other 
statement, instrument or transaction contemplated hereby or thereby or 
relating hereto or thereto.

     Section 9.9   CONSENT TO JURISDICTION.  AT THE OPTION OF THE AGENT, THIS 
AGREEMENT AND THE OTHER BORROWER LOAN DOCUMENTS MAY BE ENFORCED IN ANY 
FEDERAL COURT OR MINNESOTA STATE COURT SITTING IN HENNEPIN COUNTY, MINNESOTA; 
AND THE BORROWER CONSENTS TO THE JURISDICTION AND VENUE OF ANY SUCH COURT AND 
WAIVES ANY ARGUMENT THAT VENUE IN SUCH FORUMS IS NOT CONVENIENT.  IN THE 
EVENT THE BORROWER COMMENCES ANY ACTION IN ANOTHER JURISDICTION OR VENUE 
UNDER ANY TORT OR CONTRACT THEORY ARISING DIRECTLY OR INDIRECTLY FROM THE 
RELATIONSHIP CREATED BY THIS AGREEMENT, THE AGENT AT ITS OPTION SHALL BE 
ENTITLED TO HAVE THE CASE TRANSFERRED TO ONE OF THE JURISDICTIONS AND VENUES 
ABOVE-DESCRIBED, OR IF SUCH TRANSFER CANNOT BE ACCOMPLISHED UNDER APPLICABLE 
LAW, TO HAVE SUCH CASE DISMISSED WITHOUT PREJUDICE.

     Section 9.10  WAIVER OF JURY TRIAL.  EACH OF THE BORROWER , THE AGENT 
AND THE BANKS IRREVOCABLY WAIVES ANY AND ALL RIGHT TO TRIAL BY JURY IN ANY 
LEGAL PROCEEDING ARISING OUT OF OR RELATING TO THIS AGREEMENT OR ANY OTHER 
LOAN DOCUMENT OR THE TRANSACTIONS CONTEMPLATED HEREBY OR THEREBY.

                                      -59-
<PAGE>

     Section 9.11  SURVIVAL OF AGREEMENT.  All representations, warranties, 
covenants and agreement made by the Borrower herein or in the other Borrower 
Loan Documents and in the certificates or other instruments prepared or 
delivered in connection with or pursuant to this Agreement or any other Loan 
Document shall be deemed to have been relied upon by the Banks and shall 
survive the making of the Revolving Loans by the Banks and the execution and 
delivery to the Banks by the Borrower of the Revolving Notes, regardless of 
any investigation made by or on behalf of the Banks, and shall continue in 
full force and effect as long as any Obligation is outstanding and unpaid and 
so long as the Revolving Commitments have not been terminated; provided, 
however, that the obligations of the Borrower under Section 9.2, 9.5 and 9.12 
shall survive payment in full of the Obligations and the termination of the 
Revolving Commitments.

     Section 9.12  INDEMNIFICATION.  The Borrower hereby agrees to defend, 
protect, indemnify and hold harmless the Agent and the Banks and their 
respective Affiliates and the directors, officers, employees, attorneys and 
agents of the Agent and the Banks and their respective Affiliates (each of 
the foregoing being an "Indemnitee" and all of the foregoing being 
collectively the "Indemnitees") from and against any and all claims, actions, 
damages, liabilities, judgments, costs and expenses (including all reasonable 
fees and disbursements of counsel which may be incurred in the investigation 
or defense of any matter) imposed upon, incurred by or asserted against any 
Indemnitee, whether direct, indirect or consequential and whether based on 
any federal, state, local or foreign laws or regulations (including 
securities laws, environmental laws, commercial laws and regulations), under 
common law or on equitable cause, or on contract or otherwise:

              (a)  by reason of, relating to or in connection with the 
     execution, delivery, performance or enforcement of any Loan Document, 
     any commitments relating thereto, or any transaction contemplated by any 
     Loan Document; or

              (b)  by reason of, relating to or in connection with any 
     credit extended or used under the Loan Documents or any act done or 
     omitted by any Person, or the exercise of any rights or remedies 
     thereunder, including the acquisition of any collateral by the Banks by 
     way of foreclosure of the Lien thereon, deed or bill of sale in lieu of 
     such foreclosure or otherwise;

provided, however, that the Borrower shall not be liable to any Indemnitee 
for any portion of such claims, damages, liabilities and expenses resulting 
from such Indemnitee's gross negligence or willful misconduct.  In the event 
this 

                                      -60-
<PAGE>

indemnity is unenforceable as a matter of law as to a particular matter or 
consequence referred to herein, it shall be enforceable to the full extent 
permitted by law.

       This indemnification applies, without limitation, to any act, 
omission, event or circumstance existing or occurring on or prior to the 
later of the Termination Date or the date of payment in full of the 
Obligations, including specifically Obligations arising under clause (b) of 
this Section.  The indemnification provisions set forth above shall be in 
addition to any liability the Borrower may otherwise have.  Without prejudice 
to the survival of any other obligation of the Borrower hereunder the 
indemnities and obligations of the Borrower contained in this Section shall 
survive the payment in full of the other Obligations.

     Section 9.13  CAPTIONS.  The captions or headings herein and any table 
of contents hereto are for convenience only and in no way define, limit or 
describe the scope or intent of any provision of this Agreement.

     Section 9.14  ENTIRE AGREEMENT.  This Agreement and the other Borrower 
Loan Documents and the Fee Letter embody the entire agreement and 
understanding between the Borrower, the Agent and the Banks with respect to 
the subject matter hereof and thereof.  This Agreement supersedes all prior 
agreements and understandings relating to the subject matter hereof.  Nothing 
contained in this Agreement or in any other Loan Document, expressed or 
implied, is intended to confer upon any Persons other than the parties hereto 
any rights, remedies, obligations or liabilities hereunder or thereunder.

     Section 9.15  COUNTERPARTS.  This Agreement may be executed in any 
number of counterparts, all of which taken together shall constitute one and 
the same instrument, and any of the parties hereto may execute this Agreement 
by signing any such counterpart.

     Section 9.16  BORROWER ACKNOWLEDGEMENTS.  The Borrower hereby
acknowledges that (a) it has been advised by counsel in the negotiation,
execution and delivery of this Agreement and the other Loan Documents, (b)
neither the Agent nor any Bank has any fiduciary relationship to the Borrower,
the relationship being solely that of debtor and creditor, (c) no joint venture
exists between the Borrower and the Agent or any Bank, and (d) neither the Agent
nor any Bank undertakes any responsibility to the Borrower to review or inform
the Borrower of any matter in connection with any phase of the business or
operations of the Borrower and the Borrower shall rely entirely upon its own
judgment with respect to its business, and any review, inspection 

                                      -61-
<PAGE>

or supervision of, or information supplied to, the Borrower by the Agent or 
any Bank is for the protection of the Banks and neither the Borrower nor any 
third party is entitled to rely thereon.

     Section 9.17  RELEASE OF LIENS ON EXISTING U.S. BANK DEBT.  The Bank 
agrees, at the request and sale cost of the Borrower, to release its Liens 
securing the Existing U.S. Bank Debt, including the execution of any UCC 
termination statements or other releases prepared by the Borrower.



                (REMAINDER OF PAGE INTENTIONALLY LEFT BLANK)

                                      -62-
<PAGE>

   IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be 
                executed as of the date first above written.

                                       MARTEN TRANSPORT LTD.


                                       By
                                          Its



Address for Borrower:
129 Marten Street
Mondovi, Wisconsin 54755

STATE OF            )
                    ) ss.
COUNTY OF           )

     On this _______ day of ________________, 1998, before me, the 
undersigned, a Notary Public, appeared _________________________, who being 
by me duly sworn, did say that he is the ____________________ of MARTEN 
TRANSPORT LTD. and that the foregoing instrument was signed on behalf of the 
corporation by authority of its Board of Directors, and said officer 
acknowledged the foregoing instrument to be executed for the purposes therein 
stated and as the free act and deed of the corporation.

     IN WITNESS WHEREOF, I have hereunto set my hand and affixed my notarial 
seal the day and year last above written.


- ---------------------------------------------------------------------------
                                                  Notary Public


REVOLVING COMMITMENT                 U.S. BANK NATIONAL Amount:
                    ASSOCIATION                         -------------------
- -------------------
$40,000,000                                In its individual corporate
                                                 capacity and as Agent


                                           By
                                                Its
Address:
601 Second Avenue South
Minneapolis, MN 55402-4302

                                      -63-
<PAGE>

Attention:     Michael J. Reymann
                                                                     MPFP 0510






                                      -64-
<PAGE>

                                                                EXHIBIT 1.1A TO
                                                               CREDIT AGREEMENT

                                 REVOLVING NOTE


$40,000,000
                                                               October 30, 1998
                                                         Minneapolis, Minnesota


     FOR VALUE RECEIVED, MARTEN TRANSPORT LTD., a Delaware corporation, 
hereby promises to pay to the order of U.S. Bank National Association (the 
"Bank") at the main office of U.S. Bank National Association in Minneapolis, 
Minnesota, in lawful money of the United States of America in Immediately 
Available Funds (as such term and each other capitalized term used herein are 
defined in the Credit Agreement hereinafter referred to) on the Revolving 
Commitment Ending Date, the principal amount of FORTY MILLION AND NO/100 
DOLLARS ($40,000,000) or, if less, the aggregate unpaid principal amount of 
the Revolving Loans made by the Bank under the Credit Agreement, and to pay 
interest (computed on the basis of actual days elapsed and a year of 360 
days) in like funds on the unpaid principal amount hereof from time to time 
outstanding at the rates and times set forth in the Credit Agreement.

     This note is one of the Revolving Notes referred to in the Credit 
Agreement dated as of October 30, 1998 (as the same may hereafter be from 
time to time amended, restated or otherwise modified, the "Credit Agreement") 
among the undersigned, the Bank and the other banks named therein.  This note 
is subject to certain permissive and mandatory prepayments and its maturity 
is subject to acceleration, in each case upon the terms provided in said 
Credit Agreement.

     In the event of default hereunder, the undersigned agrees to pay all 
costs and expenses of collection, including reasonable attorneys' fees.  The 
undersigned waives demand, presentment, notice of nonpayment, protest, notice 
of protest and notice of dishonor.

     THE VALIDITY, CONSTRUCTION AND ENFORCEABILITY OF THIS NOTE SHALL BE 
GOVERNED BY THE INTERNAL LAWS OF THE STATE OF MINNESOTA WITHOUT GIVING EFFECT 
TO THE CONFLICT OF LAWS 

                                      -65-
<PAGE>

PRINCIPLES THEREOF, BUT GIVING EFFECT TO FEDERAL LAWS OF THE UNITED STATES 
APPLICABLE TO NATIONAL BANKS.

                                       MARTEN TRANSPORT LTD.


                                       By
                                          Its


STATE OF            )
                    ) ss.
COUNTY OF           )

     On this _______ day of ________________, 1998, before me, the 
undersigned, a Notary Public, appeared _________________________, who being 
by me duly sworn, did say that he is the ____________________ of MARTEN 
TRANSPORT LTD. and that the foregoing instrument was signed on behalf of the 
corporation by authority of its Board of Directors, and said officer 
acknowledged the foregoing instrument to be executed for the purposes therein 
stated and as the free act and deed of the corporation.

     IN WITNESS WHEREOF, I have hereunto set my hand and affixed my notarial 
seal the day and year last above written.


- ---------------------------------------------------------------------------
                                                  Notary Public




                                      -66-

<TABLE> <S> <C>

<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONDENSED STATEMENTS OF INCOME AND THE CONDENSED BALANCE SHEETS AND IS QUALIFIED
IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
       
<S>                             <C>
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-START>                             JAN-01-1998
<PERIOD-END>                               SEP-30-1998
<CASH>                                       2,158,000
<SECURITIES>                                         0
<RECEIVABLES>                               21,014,000
<ALLOWANCES>                                         0
<INVENTORY>                                          0
<CURRENT-ASSETS>                            33,509,000
<PP&E>                                     164,822,000
<DEPRECIATION>                              45,849,000
<TOTAL-ASSETS>                             153,228,000
<CURRENT-LIABILITIES>                       47,209,000
<BONDS>                                     29,829,000
                                0
                                          0
<COMMON>                                        45,000
<OTHER-SE>                                  51,607,000
<TOTAL-LIABILITY-AND-EQUITY>               153,228,000
<SALES>                                    144,613,000
<TOTAL-REVENUES>                           144,613,000
<CGS>                                                0
<TOTAL-COSTS>                              131,863,000
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                           3,008,000
<INCOME-PRETAX>                              9,914,000
<INCOME-TAX>                                 3,966,000
<INCOME-CONTINUING>                          5,948,000
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                 5,948,000
<EPS-PRIMARY>                                     1.33<F1>
<EPS-DILUTED>                                     1.31<F1>
<FN>
<F1>Our board of directors authorized a three-for-two stock split of our common
stock, $.01 par value, effective for shareholders of record as of December 15,
1997. The financial data schedule for the nine month period ended September 30,
1997, has not been restated to reflect the stock split.
</FN>
        

</TABLE>


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