DATA NATIONAL CORP
10-Q, 1997-02-14
AUTO RENTAL & LEASING (NO DRIVERS)
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<PAGE>




                SECURITIES AND EXCHANGE COMMISSION

                      WASHINGTON, D.C. 20549

                           FORM 10-QSB



     [X]   QUARTERLY REPORT UNDER SECTION 13 OR 15 (d) OF THE 
                 SECURITIES EXCHANGE ACT OF 1934
         For the quarterly period ended December 31, 1996


     [ ]   TRANSITION REPORT UNDER SECTION 13 OR 15 (d)  OF
                         THE EXCHANGE ACT




       For the transition period from          to         
                                      --------    ----------

               Commission file number  2-95050-D  


                    DATA NATIONAL CORPORATION
(Exact name of small business issuer as specified in its charter)




           Colorado                                  84-0958983           
  ---------------------------          -------------------------------
  (State or other jurisdiction        (IRS Employer Identification No.)
of incorporation or organization)



    11415 West I-70 Frontage Road North, Wheat Ridge, CO 80033
   -------------------------------------------------------------
             (Address of principal executive offices)



                          (303) 431-1933       
                   ---------------------------
                   (Issuer's telephone number)



Check whether the issuer (1) filed all reports required to be filed by Section
13 or 15(d) of the Exchange Act during the past 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 issuers Common Stock, .001 par value
as of December 31, 1996 was 1,499,165 shares.

Transition Small Business disclosure format.  Yes       No   X  
                                -1-                     

<PAGE>


                     ITEM 1.  FINANCIAL STATEMENTS


                DATA NATIONAL CORPORATION AND SUBSIDIARIES
                        CONSOLIDATED BALANCE SHEETS
<TABLE>
<CAPTION>
                                (Unaudited)    (Unaudited)        (Audited)  
                                December 31,   December 31,      September 30,
                                    1996           1995              1996    
                                ------------   ------------      ------------
Assets
<S>                             <C>           <C>                <C>
Current Assets
 Cash and equivalents              $  1,648      $ 37,585           $  4,441 
 Receivables:
Trade, less allowances for bad      333,206       403,059            342,592 
    debts of $5,077 in 1996 and
    1995, respectively
  Other                              15,253         7,117             15,305 
                                    -------       -------            -------
Inventory, at cost                   85,065        61,725             63,354 
Prepaid expenses                     33,276         4,513             35,523 
                                    -------        ------            -------  
   Total current assets             468,448       513,999            461,215 

Property and equipment, at cost     739,514       475,352            724,414 
Less: Accumulated depreciation     (392,609)     (328,512)          (373,709)
                                    -------       -------            -------
                                    346,905       146,840            350,705 
                                    -------       -------            -------
Deferred Computer Software
 Development Costs                  202,278         8,838            169,977 

Other assets                         20,931         6,030             12,871 
                                 ----------      --------           --------
                                 $1,038,562      $675,707           $994,768 


Liabilities and Shareholders' 
 Deficit

Current Liabilities
 Short-term borrowings-related 
  parties                          $156,000       - 0 -             155,000 
 Current portion - capital 
 leases                              78,196        18,431            75,401 
 Accounts payable                   181,554        67,537           138,426 
 Accrued expenses                    97,385        27,070            81,271 
 Deferred revenue                    75,470       141,579            26,419 
   Total current liabilities        588,605       254,617           476,517 
                                    -------       -------           -------
 Note payable - related party       745,272       869,072           743,472 
   Capital leases, net of
    current portion                 143,935        21,052           155,958 

Shareholders' Deficit
 Common stock $.001 par value, 
   authorized 100,000,000 
   shares; 1,499,165 and 818,190 
   shares issued and outstanding 
   at December 31, 1996 and 1995, 
   respectively                       1,499           818             1,498 
 Additional paid-in capital         191,947        31,929           188,050 
 Accumulated deficit               (632,696)     (501,781)         (570,727)
                                    -------       -------           -------
                                   (439,250)     (469,034)         (381,179)
                                  ---------       -------           -------
                                 $1,038,562      $675,707          $994,768 
                                  =========       =======           =======
</TABLE>


         See Note to Consolidated Financial Statements
  

                               -2-

<PAGE>





ITEM 1.  FINANCIAL STATEMENTS (CONTINUED)

            DATA NATIONAL CORPORATION AND SUBSIDIARIES
      CONSOLIDATED STATEMENTS OF INCOME AND LOSS (UNAUDITED)
<TABLE>
<CAPTION>

                                          Three Months Ended     
                                   December 31           December 31,
                                      1996                   1995    
                                   -----------           ------------
<S>                                  <C>                    <C>
  Net sales                           $   630,120            $   734,676
  Cost of sales                           357,230                354,597
                                          -------                -------
   Gross profit                           272,890                380,079


Selling and marketing expense             126,036                103,379
General and administrative expense        176,947                150,404

   Operating income (loss)                (30,093)               126,296
Other income (expense)
   Interest and other income                  134                  2,769
Interest expense, primarily 
 related party                            (27,716)               (23,321)
    Other expense                          (4,294)                 - 0 -
                                          (31,876)               (20,552)
                                           ------                 ------
   Net income (loss)                  $   (61,969)           $   105,744


  Net income (loss) per share                (.04)                   .13


  Weighted average shares outstanding   1,498,359                818,190
                                                                               
</TABLE>










          See Note to Consolidated Financial Statements
                            -3-
<PAGE>

ITEM 1.  FINANCIAL STATEMENTS (CONTINUED)

            DATA NATIONAL CORPORATION AND SUBSIDIARIES
        CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED)
<TABLE>
<CAPTION>
                                                 Three Months Ended     
                                           December 31,         December 31,
                                               1996                1995    
<S>                                        <C>                  <C>
Cash flow from operating activities
   Net income (loss)                        $  (61,969)          $   105,744
 Adjustments to reconcile net income to 
   cash flow from operating activities
   Depreciation                                 18,900                 9,375
   Common stock issued for services              3,900                     0
 Changes in assets and liabilities:
(Increase) decrease in trade receivables         9,386              (148,060)
(Increase) decrease in other receivables            52               (10,067)
     (Increase) in inventory                   (21,711)              (14,033)
     Decrease in other current assets            2,247                   120
     (Increase) decrease in other assets        (8,060)                2,538
     Increase in accounts payable               43,128                 5,759
     Increase in accrued expenses               16,114                 7,000
     Increase in deferred revenue               49,051                 9,101
                                               -------                ------
     Total adjustments                         113,007              (138,267)
                                               -------               -------
   Cash provided by (used in) 
        operating activities                    51,038               (32,523)
                                                ------                -------
Cash flow from investing activities
   Purchases of property and equipment          (5,373)               (4,911)
Deferred computer software development 
 costs                                         (32,301)               (8,838)
                                                ------                ------
     Cash used in investing activities         (37,674)              (13,749)

Cash flow from financing activities
Short-term borrowings from related parties     196,000                     0
  Repayment of short-term borrowings from
     related parties                          (195,000)                    0
 Increase in note payable-related parties        1,800                     0
   Repayment of capital lease obligations      (18,957)               (7,502)

   Cash (used in) financing activities         (16,157)               (7,502)

   (Decrease) in cash and equivalents           (2,793)              (53,774)

Cash and equivalents, beginning of period        4,441                91,359

   Cash and equivalents, end of period      $    1,648           $    37,585
                                               -------              --------
Supplemental cash flow information
 Property and equipment acquired under
    capital leases                          $    9,729           $    39,300
                                              --------              --------
   Interest paid                            $    9,324           $    23,321
</TABLE>

          See Note to Consolidated Financial Statements
                            -4-
<PAGE>


               DATA NATIONAL CORPORATION AND SUBSIDIARIES

             CONSOLIDATED STATEMENT OF SHAREHOLDERS' EQUITY

          FOR THE THREE MONTHS ENDED DECEMBER 31, 1996 AND 1995
<TABLE>
<CAPTION>

                                                       Additional
                                     Common Stock       Paid-in   Accumulated
                                   Shares     Amount     Capital     Deficit  
                                 ---------   --------  ----------  ----------
<S>                             <C>         <C>        <C>        <C>
Balance, October 1, 1995          818,190     $  818    $ 31,929   $(607,525)

Net income for the three months
 ended December 31, 1995             -           -          -        105,744
                                  -------       ----      ------     -------
Balance, December 31, 1995        818,190        818      31,929    (501,781)

Issuance of common stock for
 reduction of note payable to
 related parties                  550,000        550     125,051        -

Issuance of common stock for 
 services                         137,500        138      32,862        -

Common stock repurchased and 
 retired                           (7,500)        (8)     (1,792)       -

Net (loss) for the nine months
 ended September 30, 1996             -           -         -        (68,946)
                                ---------      ------    -------     -------
Balance, September 30, 1996     1,498,190       1,498    188,050    (570,727)
                                ---------      ------    -------     -------
Issuance of common stock for 
 services                             975           1      3,897        -

Net (loss) for the three 
 months ended December 31, 
 1996                                 -            -         -       (61,969)
                                ---------      ------   --------   ---------
Balance, December 31, 1996      1,499,165      $1,499   $191,947   $(632,696)
                                =========      ======   ========   ==========


</TABLE>











              See Note to Consolidated Financial Statements
                           -5-  

<PAGE>


ITEM 1. FINANCIAL STATEMENTS (CONTINUED)
- ----------------------------------------
            DATA NATIONAL CORPORATION AND SUBSIDIARIES
            NOTE TO CONSOLIDATED FINANCIAL STATEMENTS


NOTE 1 - MANAGEMENT'S STATEMENT
- -------------------------------
     In the opinion of management, the accompanying financial statements
contain all adjustments (which consist only of normal, recurring adjustments)
necessary to fairly present the Company's financial position, results of
operations, and cash flows.  The operating results presented are not
necessarily indicative of the operating results for the years ending September
30, 1997 and 1996.

     Reference should be made to the notes to the consolidated financial
statements included in Form 10-KSB for the year ended September 30, 1996, for
additional information.



                           -6-

<PAGE>




ITEM 2.   MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION
AND
          ---------------------------------------------------------------
          RESULTS OF OPERATIONS
          ---------------------
Results of Operations
- ---------------------
     The following information should be read in conjunction with the
condensed consolidated financial statements and notes included in this
Quarterly Report and in the audited Financial Statements and Management's
Discussion and Analysis of Financial Condition and Results of Operations
contained in the Company's Form 10-K for the fiscal year ended September 30,
1996.

Quarter Ended December 31, 1996 compared to Quarter Ended December 31, 1995
- ---------------------------------------------------------------------------
     Net sales for the quarter ended December 31, 1996 were $630,120 compared
to $734,676 for the quarter ended December 31, 1995.  This represents a
decrease of $104,556 or 14%.  Approximately $53,000 of the decrease was due to
a decrease in revenues from Sun Oil Co. for services that were "pushed
forward" to January of 1997.  An additional $18,000 of revenue received in
1995 for additional services to Sun Oil Co. was not received in 1996.

     The business of the Company has been seasonal, and a large portion of
the revenue of the Company has been received from the sales of holiday
greeting cards.  Revenues from the sales of this product were $199,963 for the
quarter ended December 31, 1996 and $228,243 for the quarter ended December
31, 1995.  The decrease in the sales of holiday greeting cards in the amount
of $28,220 accounted for a portion of the overall decrease in sales for 1996. 
In addition to the items above, the Company received $10,000 in licensing
revenue in 1995 that was not received in 1996.

     Cost of goods sold was $357,230 or 57% of sales in 1996 compared to
$354,597 or 48% of sales in 1995.  The higher cost of goods sold was due to
additional fixed costs in the production department, including additional
depreciation expense in the amount of $7,700 due to the purchase of new
equipment and additional fixed salaries in the amount of $9,000.

     Gross profit totalled $272,889 or 43% of sales in the third quarter of
1996, compared to $380,079 or 53% of sales in 1995.  The decrease in gross
profit was attributable to the factors stated above.  In addition, $10,000 of
the revenue received from licensing in 1995 did not have any cost of goods
sold associated with the revenue and resulted in a higher gross margin.

     Selling and marketing expenses increased by $22,657 to $126,036 or 20%
of sales in 1996 compared to $103,379 or 14% of sales in 1995.  Sales and
marketing salaries increased by $7,000, due to the hiring of additional sales
and marketing personnel.  Travel increased by $9,000 due to additional travel
for new contracts which will commence in January of 1997.

     General and administrative (G&A) expenses increased by $26,543 to
$176,947 or 28% of sales in 1996 compared to $150,404 or 20% of sales in 1995. 
Rent and depreciation expense accounted for $5,000 of the increase.

     The remaining material increase in G&A of $10,000 was due to costs the
Company continued to incur in their information technology department related
to the replacement of their computer system used for production of products
and maintenance of the database.  In addition to the costs reported as G&A
expense, the Company spent $32,301 in software development costs for the
quarter ended December 31, 1996.  These capitalized costs will be amortized
over three years when the project is completed and the new software is being
utilized, which is anticipated in the first quarter of 1997.

     Interest expense for the three months ended December 31, 1996 was
$27,716 compared to $23,321 for the three months ended December 31, 1995.  The
increase was due to additional leases added in the last twelve months.

                          -7-


<PAGE>
Variability of Periodic Results and Seasonality
- -----------------------------------------------
     Results from the three-month period cannot be used to predict the
results for the entire year.  Revenues fluctuate from period to period.  The
Company received seasonal revenue from the sales of holiday greeting cards of
$199,963 for the quarter ended December 31, 1996 and 228,243 for the quarter
ended December 31, 1995.

Liquidity and Capital Resources
- -------------------------------
     The Company's cash and cash equivalents decreased over the last three
months by $2,793.  The inventory of the Company increased by $21,000 due to
new products.  The increase in inventory was funded by an increase in accounts
payable, accrued expenses, and deferred revenue.

     Short term borrowings to related parties increased by $1,000 for the
quarter ended December 31, 1996.  A large portion of the borrowings were
repaid from the revolving loan facility with Norwest Business Credit, funded
on January 15, 1997.

     In December of 1996 the Company commenced a private placement of its
common stock.  Under the terms of the offering, the Company expects to raise a
minimum of $200,000 and a maximum of $1,000,000.  As of February 12, 1997, the
Company had received the minimum in the form of $50,000 in cash and an
additional $150,000 from the related parties in the form of a reduction on the
$745,272 note to related parties.

     The Company has received additional contracts for new business of
approximately $2,000,000.  It is anticipated that approximately $1,500,000 of
the new business will be completed before the year ending September 30, 1997.

     The Company believes that the existence of the revolving loan facility,
internal cash flow generated from new and existing business, capital leases to
be obtained for the purchase of new equipment, and additional proceeds from
the private placement of the Company's common stock will enable the Company to
meet its currently projected working capital and the cash requirements through
at least the end of the 1997 fiscal year.  There can be no assurance, however,
that the additional funds will be raised and that the capital leases will be
obtained.

                             -8-

<PAGE>

                    DATA NATIONAL CORPORATION

                           FORM 10-QSB

                        December 31, 1996

                        OTHER INFORMATION

PART II

 ITEM 1.Legal Proceedings.

     The Company knows of no material pending legal proceedings to which the
Company is a party or to which any of its assets are subject.

 ITEM 2.Changes in Securities.  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.

     10.1  Revolving Note
     10.2  Credit and Security Agreement
     10.3  Collateral Account Agreement
     10.4  Agreement as to Lockbox Service
     10.5  Landlord's Disclaimer and Consent
     10.6  Support Agreement - Richard S. Simms
     10.7  Support Agreement - Donald V. Warriner
     10.8  Guaranty by Corporation
     10.9  Security Agreement for Guaranty
     10.10 Security Agreement in  Favor of Norwest Bank NA
     10.11 Subordination Agreement
     10.12 Assignment

      (b)Reports on Form 8-K - None.

EX- 27     Financial Data Schedule
                              -9-
<PAGE>     

                           SIGNATURES

     In accordance with the Exchange Act, the registrant caused this report
to be signed on its behalf by the undersigned, thereunto duly authorized.


(Registrant)                                DATA NATIONAL CORPORATION
BY(Signature)                               /s/ Richard S. Simms        
(Name and Title)                            Richard S. Simms
(Date)                                      February 14, 1997












(12-31-96.10q)


                                     -10-




<TABLE> <S> <C>

<PAGE>

<ARTICLE> 5
       
<S>                             <C>
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          SEP-30-1997
<PERIOD-END>                               DEC-31-1996
<CASH>                                           1,648
<SECURITIES>                                         0
<RECEIVABLES>                                  338,283
<ALLOWANCES>                                     5,077
<INVENTORY>                                     85,065
<CURRENT-ASSETS>                               468,448
<PP&E>                                         739,574
<DEPRECIATION>                                 392,609
<TOTAL-ASSETS>                               1,038,562
<CURRENT-LIABILITIES>                          588,605
<BONDS>                                              0
                                0
                                          0
<COMMON>                                     1,499,165
<OTHER-SE>                                           0
<TOTAL-LIABILITY-AND-EQUITY>                 1,038,562
<SALES>                                        630,120
<TOTAL-REVENUES>                               272,890
<CGS>                                          357,230
<TOTAL-COSTS>                                   61,969
<OTHER-EXPENSES>                                   134
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                            (27,716)
<INCOME-PRETAX>                               (61,969)
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                                  0
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                  (61,969)
<EPS-PRIMARY>                                    (.04)
<EPS-DILUTED>                                    (.04)
        

</TABLE>

<PAGE>

                    DATA NATIONAL CORPORATION

                           FORM 10-QSB

                        December 31, 1996




  (a)    Exhibits:

     10.1      Revolving Note
     10.2      Credit and Security Agreement
     10.3      Collateral Account Agreement
     10.4      Agreement as to Lockbox Service
     10.5      Landlord's Disclaimer and Consent
     10.6      Support Agreement - Richard S. Simms
     10.7      Support Agreement - Donald V. Warriner
     10.8      Guaranty by Corporation
     10.9      Security Agreement for Guaranty
     10.10     Security Agreement in  Favor of Norwest Bank NA
     10.11     Subordination Agreement
     10.12     Assignment





















<PAGE>


                             REVOLVING NOTE

$500,000                                                      Denver, Colorado
                                                               January 3, 1997

     For value received, the undersigned, Service Business Systems, Inc., a 
Colorado corporation (the "Borrower"), hereby promises to pay on December 31,
1998 to the order of Norwest Business Credit, Inc., a Minnesota corporation 
(the "Lender"), at its main office in Minneapolis, Minnesota, or at any other
place designated at any time by the holder hereof, in lawful money of the 
United States of America and in immediately available funds, the principal
sum of Five Hundred Thousand and No/100 Dollars ($500,000) or, if less, the 
aggregate unpaid principal amount of all advances made by the Lender to the 
Borrower hereunder, together with interest on the principal amount hereunder 
remaining unpaid from time to time, computed on the basis of the actual 
number of days elapsed and a 360-day year, from the date hereof until this
Note is fully paid at the rate from time to time in effect under the Credit 
and Security Agreement of even date herewith (the "Credit Agreement") by and 
between the Lender and the Borrower.  The principal hereof and interest 
accruing thereon shall be due and payable as provided in the Credit Agreement.  
This Note may be prepaid only in accordance with the Credit Agreement.

     This Note is issued pursuant, and is subject, to the Credit Agreement, 
which provides, among other things, for acceleration hereof.  This Note is 
the Note referred to in the Credit Agreement.

     This Note is secured, among other things, pursuant to the Credit 
Agreement and the Security Documents as therein defined, and may now or 
hereafter be secured by one or more other security agreements, mortgages, 
deeds of trust, assignments or other instruments or agreements.

     The Borrower hereby agrees to pay all costs of collection, including 
attorneys' fees and legal expenses in the event this Note is not paid when 
due, whether or not legal proceedings are commenced.

      Presentment or other demand for payment, notice of dishonor and protest 
are expressly waived.

                                       SERVICE BUSINESS SYSTEMS, INC.


BY (Signature)                         /s/Donald V. Warriner
(Name and Title)                       Donald V. Warriner, 
                                       President and CEO


<PAGE>



                        CREDIT AND SECURITY AGREEMENT
                         Dated as of January 3, 1997


     SERVICE BUSINESS SYSTEMS, INC., a Colorado corporation (the "Borrower") 
and NORWEST BUSINESS CREDIT, INC., a Minnesota corporation (the "Lender"), 
hereby agree as follows:


                             ARTICLE I

                            Definitions
                            -----------
          Section 1.1  Definitions.  For all purposes of this Agreement, 
except as otherwise expressly provided or unless the context otherwise 
requires:

       (a)   the terms defined in this Article have the meanings assigned to 
    them in this Article, and include the plural as well as the singular; and

       (b)   all accounting terms not otherwise defined herein have the 
    meanings assigned to them in accordance with generally accepted 
    accounting principles.

          "Accounts" means the aggregate unpaid obligations of customers and 
other account debtors to the Borrower arising out of the sale or lease of 
goods or rendition of services by the Borrower on an open account or deferred
payment basis.

          "Advance" means an advance to the Borrower by the Lender under the 
Credit Facility.

          "Affiliate" or "Affiliates" means any Person controlled by, 
controlling or under common control with the Borrower, including (without 
limitation) any Subsidiary of the Borrower.  For purposes of this definition,
"control," when used with respect to any specified Person, means the power 
along with any other Person under common control with such Person to vote 80%
or more of the voting stock of any Person.

          "Agreement" means this Credit and Security Agreement.

          "Banking Day" means a day other than a Saturday on which banks are 
generally open for business in Minneapolis, Minnesota and Denver, Colorado.

<PAGE>

          "Base Rate" means the rate of interest publicly announced from time 
to time by Norwest Bank Minnesota, National Association as its "base rate" or, 
if such bank ceases to announce a rate so designated, any similar successor 
rate designated by the Lender.

          "Borrowing Base" means, at any time and subject to change from time
to time in the Lender's sole discretion, the lesser of (a) the Commitment, or
(b) 80% of Eligible Accounts.

          "Collateral" means all of the Equipment, General Intangibles, 
Inventory and Receivables, together with all substitutions and replacements 
for and products of any of the foregoing Collateral and together with 
proceeds of any and all of the foregoing Collateral and, in the case of all 
tangible Collateral, together with (i) all accessions, accessories,
attachments, parts, equipment and repairs now or hereafter attached or 
affixed to or used in connection with any such goods, and (ii) all warehouse 
receipts, bills of lading and other documents of title now or hereafter 
covering such goods.

          "Collateral Account" has the meaning specified in Section 4.1(d) 
hereof.

          "Commitment" means $500,000.

          "Credit Facility" means the credit facility being made available 
to the Borrower by the Lender pursuant to Article II hereof.

          "Default" means an event that, with giving of notice or passage of 
time or both, would constitute an Event of Default.

          "Default Rate" means at any time three percent (3%) over the 
Floating Rate, which Default Rate shall change when and as the Floating Rate 
changes.

          "DNC" means Data National Corporation, a Colorado corporation.

          "Eligible Accounts" means, unless otherwise agreed to in writing by 
the Lender, all unpaid Accounts, net of any credits, except the following 
shall not in any event be deemed Eligible Accounts:

       (1)  That portion of Accounts that are over 90 days past invoice date;

       (2)  That portion of the aggregate Accounts of a single customer that
            exceeds 15% of the aggregate Accounts of the Borrower;

       (3)  That portion of Accounts that are disputed or subject to a claim 
            of offset or a contra account;

                                   2
<PAGE>

       (4)  That portion of Accounts not yet earned by the final delivery of 
            goods or rendition of services, as applicable, by the Borrower to
            its customer or with respect to which the Lender is unable to 
            confirm receipt by a common carrier for delivery, and that 
            portion of Accounts sold as COD or similar terms;

       (5)  Accounts owed by any unit of government, whether foreign or
            domestic (provided, however, that there shall be included in 
            Eligible Accounts that portion of Accounts owed by such units of 
            government with respect to which the Borrower has provided 
            evidence satisfactory to the Lender that (A) the Lender has
            a first priority security interest and (B) such Account may be 
            enforced by the Lender directly against such unit of government 
            under all applicable laws);

       (6)  Accounts owed by an account debtor located outside the United 
            States or Canada which are not backed by a bank letter of credit 
            assigned to the Lender, in the possession of the Lender and 
            acceptable to the Lender in all respects, in its sole discretion,
            or covered by a policy of foreign receivables insurance 
            acceptable to the Lender in its sole discretion; 

       (7)  Accounts owed by an account debtor that is the subject of 
            bankruptcy proceedings or has gone out of business;

       (8)  Accounts owed by a shareholder, Subsidiary, Affiliate, officer or
            employee of the Borrower;

       (9)  Accounts not subject to a duly perfected security interest in 
            favor of the Lender or which are subject to any lien, security 
            interest or claim in favor of any Person other than the Lender;

      (10)  That portion of Accounts that have been restructured, extended,
            amended or modified; 

      (11)  That portion of Accounts that constitutes finance charges or 
            sales or excise taxes; 

      (12)  Accounts owed by an account debtor, regardless of whether 
            otherwise eligible, if 10% or more of the total amount due under 
            Accounts from such debtor is ineligible under clauses (1), (3) or
            (10) above; and

      (13)  Accounts, or portions thereof, otherwise deemed ineligible by the
            Lender in its sole discretion.

     "Environmental Laws" has the meaning specified in Section 5.12 hereof.

                                   3
<PAGE>
          "Equipment" means all of the Borrower's equipment, as such term is 
defined in the UCC, whether now owned or hereafter acquired, which is not 
subject to a security interest senior in priority to this Agreement, 
including but not limited to all present and future machinery, vehicles, 
furniture, fixtures, manufacturing equipment, shop equipment, office and 
recordkeeping equipment, parts, tools, supplies, and including specifically 
(without limitation) the goods described in any equipment schedule or list 
herewith or hereafter furnished to the Lender by the Borrower.

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

          "Event of Default" has the meaning specified in Section 8.1 hereof.

          "Floating Rate" means an annual rate equal to the sum of the Base 
Rate plus five percent (5%) and which Floating Rate shall change when and as 
the Base Rate changes.

          "General Intangibles" means all of the Borrower's general 
intangibles, as such term is defined in the UCC, whether now owned or 
hereafter acquired, including (without limitation) all present and future 
patents, patent applications, copyrights, trademarks, trade names, trade 
secrets, customer or supplier lists and contracts, manuals, operating
instructions, permits, franchises, the right to use the Borrower's name, and 
the goodwill of the Borrower's business.

          "Inventory" means all of the Borrower's inventory, as such term is 
defined in the UCC, whether now owned or hereafter acquired, whether 
consisting of whole goods, whether acquired, held or furnished for sale, for 
lease or under service contracts or for manufacture or processing, and 
wherever located.

          "Loan Documents" means this Agreement, the Note, the Security 
Documents and any other agreements between the parties relating thereto.

          "Lockbox" has the meaning specified in Section 4.1(e) hereof.

          "Note" means the Revolving Note of the Borrower payable to the 
order of the Lender in substantially the form attached hereto as Exhibit A.

          "Obligations" has the meaning specified in Section 3.1 hereof.

          "Person" means any individual, corporation, partnership, joint 
venture, limited liability company, association, joint-stock company, trust, 
unincorporated organization or government or any agency or political 
subdivision thereof.

                                   4
<PAGE>

          "Plan" means an employee benefit plan or other plan maintained for 
employees of the Borrower and covered by Title IV of ERISA.

          "Premises" means all premises where the Borrower conducts its 
business and has any rights of possession, including (without limitation) the
premises legally described in Exhibit E attached hereto.

          "Receivables" means each and every right of the Borrower to the 
payment of money, whether such right to payment now exists or hereafter 
arises, whether such right to payment arises out of a sale, lease or other 
disposition of goods or other property, out of a rendering of services, out 
of a loan, out of the overpayment of taxes or other liabilities, or otherwise
arises under any contract or agreement, whether such right to payment is 
created, generated or earned by the Borrower or by some other person who 
subsequently transfers such person's interest to the Borrower, whether such 
right to payment is or is not already earned by performance, and howsoever 
such right to payment may be evidenced, together with all other rights and 
interests (including all liens and security interests) which the Borrower may
at any time have by law or agreement against any account debtor or other 
obligor obligated to make any such payment or against any property of such 
account debtor or other obligor; all including but not limited to all present
and future accounts, contract rights, loans and obligations receivable, 
chattel papers, bonds, notes and other debt instruments, tax refunds and 
rights to payment in the nature of general intangibles.

          "Reportable Event" shall have the meaning assigned to that term in 
Title IV of ERISA.

          "Security Documents" means the Collateral Account Agreement and the
Lockbox Agreement each as described in Section 4.1 hereof.

          "Security Interest" has the meaning specified in Section 3.1 hereof.

          "Subsidiary" means any corporation of which more than 50% of the 
outstanding shares of capital stock having general voting power under 
ordinary circumstances to elect a majority of the board of directors of such 
corporation, irrespective of whether or not 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, is at the time directly or indirectly owned by 
the Borrower, by the Borrower and one or more other Subsidiaries, or by one 
or more other Subsidiaries.

          "Termination Date" means December 31, 1998.

          "UCC" means the Uniform Commercial Code as in effect from time to 
time in the state designated in Section 9.12 hereof as the state whose laws 

                                   6
<PAGE>
shall govern this Agreement, or in any other state whose laws are held to 
govern this Agreement or any portion hereof.


                              ARTICLE II

                Amount and Terms of the Credit Facility
                ---------------------------------------

          Section 2.1  Advances.  The Lender agrees, on the terms and subject 
                       --------
to the conditions herein set forth, to make Advances to the Borrower from 
time to time during the period from the date hereof to and including the 
Termination Date, or the earlier date of termination in whole of the Credit 
Facility pursuant to Section 2.4 or Section 8.2 hereof, in an aggregate 
amount at any time outstanding not to exceed the Borrowing Base, which 
Advances shall be secured by the Collateral as provided in Article III 
hereof.  The Credit Facility shall be a revolving facility and it is 
contemplated that the Borrower will request Advances, make prepayments and 
request additional Advances.  The Borrower agrees to comply with the 
following procedures in requesting Advances under this Section 2.1:

      (a)  The Borrower will not request any Advance under this Section 2.1 
           if, after giving effect to such requested Advance, the sum of the 
           outstanding and unpaid Advances made under this Section 2.1 would 
           exceed the Borrowing Base.

      (b)  Each request for an Advance under this Section 2.1 shall be made 
           to the Lender prior to 11:00 a.m. (Colorado time) of the day of 
           the requested Advance by the Borrower.  Each request for an 
           Advance may be made in writing or by telephone, specifying
           the date of the requested Advance and the amount thereof, and 
           shall be by (i) any officer of the Borrower; or (ii) any person 
           designated as the Borrower's agent by any officer of the
           Borrower in a writing delivered to the Lender; or (iii) any 
           person reasonably believed by the Lender to be an officer of the 
           Borrower or such a designated agent.

      (c)  Upon fulfillment of the applicable conditions set forth in Article
           IV hereof, the Lender shall disburse loan proceeds by crediting 
           the same to the Borrower's operating account number 312-8003409 
           maintained with Norwest Bank Colorado, National Association, 
           unless the Lender and the Borrower shall agree in writing to 
           another manner of disbursement.  Upon request of the Lender, the 
           Borrower shall promptly confirm each telephonic request for an 
           Advance by executing and delivering an appropriate confirmation
           certificate to the Lender.  The Borrower shall be obligated to 
           repay all Advances under this Section 2.1 notwithstanding the 
           failure of the Lender to receive such confirmation and 
           notwithstanding the fact that the person requesting the same was 
           not in fact authorized to do so.  Any request for an Advance under
           this Section 2.1, whether written or telephonic, shall be deemed 
           to be a representation by the Borrower that (i) the condition set 
 
                                   6
<PAGE>

           forth in Section 2.1(a) hereof has been met, and (ii) the 
           conditions set forth in Section 4.2 hereof have been met as of 
           the time of the request.

     Section 2.2  Note.  All Advances made by the Lender under this Article 
                  ----
II shall be evidenced by and repayable with interest in accordance with the 
Note.  The principal of the Note shall be payable as provided herein and on 
the earlier of the Termination Date or acceleration by the Lender pursuant to
Section 8.2 hereof, and shall bear interest as provided herein.  

     Section 2.3  Interest.  
                  --------
     (a)  The principal of the Advances outstanding from time to time during 
          any month shall bear interest (computed on the basis of actual days
          elapsed in a 360-day year) at the Floating Rate; provided, however,
          that from the first day of any month during which any Default or 
          Event of Default occurs or exists at any time and until such 
          Default or Event of Default is cured to the satisfaction of the 
          Lender, in the Lender's discretion and without waiving any of its 
          other rights and remedies, the principal of the Advances 
          outstanding from time to time shall bear interest at the Default 
          Rate; and provided, further, that in any event no rate change shall
          be put into effect which would result in a rate greater than the 
          highest rate permitted by law.  Interest accruing on the principal 
          balance of the Advances outstanding from time to time shall be 
          payable on the last day of each month and on the Termination Date 
          or earlier demand or prepayment in full.   

     (b)  In addition to any interest payable pursuant to Section 2.3(a) 
          hereof, the Borrower shall pay with respect to each calendar 
          quarter, beginning with the calendar quarter ending March 31, 1997,
          a minimum interest charge equal to the difference between
          (i) $7,500, and (ii) the sum of the interest actually paid by the 
          Borrower with respect to such period pursuant to Section 2.3(a).  
          The minimum interest charge payable with respect to a period of 
          less than three months shall be proportionately reduced.

     Section 2.4  Voluntary Prepayment; Termination of Agreement by Borrower.   
                  -----------------------------------------------------------
Except as otherwise provided herein, the Borrower may, in its discretion, 
prepay the Advances in whole at any time or from time to time in part.  The 
Borrower may terminate this Agreement at any time and, subject to payment and
performance of all the Borrower's obligations to the Lender, may obtain any 
release or termination of the Security Interest to which the Borrower is 
otherwise entitled by law by (a) giving at least 30 days' prior written 
notice to the Lender of the Borrower's intention to terminate this Agreement;
and (b) paying the Lender a prepayment fee of two percent (2%) of the 
Commitment if the termination occurs on or before December 31, 1997, and one 
percent (1%) of the Commitment if the termination occurs after December 31, 
1997, but prior to the Termination Date, unless (i) the Credit Facility is 
refinanced by an affiliate of Norwest Corporation, or (ii) the Credit 
Agreement is terminated by the Borrower within 90 days of a request by the 
Lender for payment of additional compensation pursuant to Section 2.12.

                                   7
<PAGE>

     Section 2.5  Mandatory Prepayment.  Without notice or demand, if the sum
                  --------------------
of the outstanding principal balance of the Advances shall at any time exceed 
the Borrowing Base, the Borrower shall immediately prepay the Advances to the 
extent necessary to reduce the sum of the outstanding principal balance of 
the Advances to the Borrowing Base.  Any payment received by the Lender under
this Section 2.5 or under Section 2.4 may be applied to the Advances, 
including interest thereon and any fees, commissions, costs and expenses 
hereunder and under the Security Documents, in such order and in such amounts
as the Lender, in its discretion, may from time to time determine.

      Section 2.6  Payment.  All payments of principal of and interest on 
                   -------                       
the Advances shall be made to the Lender in immediately available funds.  The
Borrower hereby authorizes the Lender in its discretion at any time or from 
time to time and without request by the Borrower, to make an Advance to pay 
such amounts and any fees, costs or expenses hereunder or under the Security 
Documents.

          Section 2.7  Payment on Non-Banking Days.  Whenever any payment to 
                       ---------------------------
be made hereunder shall be stated to be due on a day which is not a Banking 
Day, such payment may be made on the next succeeding Banking Day, and such 
extension of time shall in such case be included in the computation of 
interest on the Advances or the fees hereunder, as the case may be. 

          Section 2.8  Use of Proceeds.  The proceeds of Advances shall be 
                       ---------------
used by the Borrower for ordinary working capital purposes.

     Section 2.9  Liability Records.  The Lender shall maintain liability 
                  -----------------
records as to any and all Advances made or repaid and interest accrued or 
paid under this Agreement.  All entries made on any such record shall be 
presumed correct until the Borrower establishes the contrary.  On demand by 
the Lender, the Borrower will admit and certify in writing the exact 
principal balance that the Borrower then asserts to be outstanding to the 
Lender for Advances under this Agreement.  Any billing statement or 
accounting rendered by the Lender shall be conclusive and fully binding
on the Borrower unless specific written notice of exception is given to the 
Lender by the Borrower within 30 days after its receipt by the Borrower.

     Section 2.10  Setoff.  The Borrower agrees that the Lender may at any 
                   ------
time or from time to time, at its sole discretion and without demand and 
without notice to anyone, setoff any liability owed to the Borrower by the 
Lender, whether or not due, against any indebtedness owed to the Lender by 
the Borrower (for Advances or for any other transaction or event), whether or
not due.  In addition, each other Person holding a participating interest in 
any Advances made to the Borrower by the Lender shall have the right to 
appropriate or setoff any deposit or other liability then owed by such Person
to the Borrower, whether or not due, and apply the same to the payment of 
said participating interest, as fully as if such Person had lent directly to 
the Borrower the amount of such participating interest.

                                   8
<PAGE>

     Section 2.11  Fees.  
                   ----
      (a)  The Borrower hereby agrees to pay the Lender a fully earned and 
           nonrefundable origination fee of $5,000, due and payable upon the 
           execution of this Agreement.

      (b)  The Borrower agrees to pay to the Lender an unused commitment fee 
           at the rate of one half of one percent (0.50%) per annum on the 
           average daily unused amount of the Commitment from the date hereof
           to and including the date on which such facility is terminated, 
           due and payable monthly in arrears on the last day of each month, 
           commencing January, 1997, provided that any such commitment fee 
           remaining unpaid upon termination of the Credit Facility or 
           acceleration of the Note by the Lender pursuant to Section 8.2
           hereof shall be due and payable on the date of such termination or
           acceleration.  Such fee shall be calculated on the basis of actual
           days elapsed in a 360-day year.

      (c)  The Borrower hereby agrees to pay the Lender, on demand, a 
           quarterly administrative fee of $750 per calendar quarter during 
           which no Default or Event of Default exists at any time, and 
           during any calendar quarter which a Default or Event of Default
           exists at any time, an administrative fee equal to the greater of 
           $750 or an amount equal to the Lender's audit fees and expenses 
           during such calendar quarter, determined at the rate of $60.00 per
           hour (or, if different, the Lender's current hourly audit charge) 
           per auditor in connection with any audits or inspections by the 
           Lender of any collateral or the operations or business of the 
           Borrower, together with all actual out-of-pocket costs and 
           expenses incurred in conducting any such audit or inspection.

     Section 2.12  Capital Adequacy.  If the Lender shall determine that the 
                   ----------------
adoption after the date hereof of any applicable law, rule or regulation 
regarding capital adequacy, or any change therein after the date hereof, any 
change after the date hereof in the interpretation or administration
thereof by any governmental authority, central bank or comparable agency 
charged with the interpretation or administration thereof, or compliance by 
the Lender, the Issuer or their respective parent corporations with any 
guideline or request issued after the date hereof regarding capital
adequacy (whether nor not having the force of law) of any such authority, 
central bank or comparable agency, has or would have the effect of reducing 
the rate of return on the Lender's, the Issuer's or the Lender's or the 
Issuer's parent corporation's capital as a consequence of the Lender's
or Issuer's obligations hereunder to a level below that which the Lender or 
the Issuer's parent corporations could have achieved but for such adoption, 
change or compliance (taking into consideration the Lender's or the Issuer's 
policies with respect to capital adequacy and those of the Lender's or the 
Issuer's parent corporations) by an amount deemed to the Lender or the 
Issuer's parent corporations to be material, then from time to time on demand
by the Lender, the Borrower shall pay to the Lender such additional amount or
amounts as will compensate the Lender or the Issuer or their parent 
corporations for such reduction.  Certificates of the Lender sent to the
Borrower from time to time claiming compensation under this Section, stating 
the reason therefor and setting forth in reasonable detail the calculation of
the additional amount or amounts to be paid to the Lender hereunder shall be 
conclusive absent manifest error.  In determining such amounts, the Lender, 
the Issuer or their respective parent corporations may use any reasonable 
averaging and attribution methods.


                            ARTICLE III

                        Security Interest
                        -----------------

          Section 3.1  Grant of Security Interest.  The Borrower hereby 
                       --------------------------
assigns and grants to the Lender a security interest (collectively referred 
to as the "Security Interests") in the Collateral, as security for the 
payment and performance of each and every debt, liability and obligation of 
every type and description which the Borrower may now or at any time 
hereafter owe to the Lender (whether such debt, liability or obligation now 
exists or is hereafter created or incurred, whether it arises in a 
transaction involving the Lender alone or in a transaction involving other 
creditors of the Borrower, and whether it is direct or indirect, due or to 
become due, absolute or contingent, primary or secondary, liquidated or 
unliquidated, or sole, joint, several or joint and several, and including
specifically, but not limited to, all indebtedness of the Borrower arising 
under this Agreement or any other loan or credit agreement or guaranty 
between the Borrower and the Lender, whether now in effect or hereafter 
entered into; all such debts, liabilities and obligations are herein 
collectively referred to as the "Obligations").

     Section 3.2  Notification of Account Debtors and Other Obligors.  The 
                  --------------------------------------------------
Lender may at any time notify any account debtor or other person obligated to
pay the amount due that payment shall be made directly to the Lockbox, and 
may at any time after the occurrence of an Event of Default, notify any 
account debtor or other person obligated to pay the amount due that such 
right to payment has been assigned or transferred to the Lender for security 
and shall be paid directly to the Lender.  The Borrower will join in giving 
such notice if the Lender so requests.  At any time after the Borrower or the
Lender gives such notice to an account debtor or other obligor, the Lender
may, but need not, in the Lender's name or in the Borrower's name, (a) 
demand, sue for, collect or receive any money or property at any time payable
or receivable on account of, or securing, any such right to payment, or grant
any extension to, make any compromise or settlement with or otherwise
agree to waive, modify, amend or change the obligations (including collateral
obligations) of any such account debtor or other obligor; and (b) as agent 
and attorney in fact of the Borrower, notify the United States Postal Service
to change the address for delivery of the Borrower's mail to any address 
designated by the Lender, otherwise intercept the Borrower's mail, and 
receive, open and dispose of the Borrower's mail, applying all Collateral as 
permitted under this Agreement and holding all other mail for the Borrower's 
account or forwarding such mail to the Borrower's last known address.

     Section 3.3  Assignment of Insurance.  As additional security for the 
payment and performance of the Obligations, the Borrower hereby assigns to 

                                  10
<PAGE>

the Lender any and all monies (including, without limitation, proceeds of 
insurance and refunds of unearned premiums) due or to become due under, and 
all other rights of the Borrower with respect to, any and all policies of
insurance now or at any time hereafter covering the Collateral or any 
evidence thereof or any business records or valuable papers pertaining 
thereto, and the Borrower hereby directs the issuer of any such policy to pay
all such monies directly to the Lender.  At any time, whether before or
after the occurrence of any Event of Default, the Lender may (but need not), 
in the Lender's name or in the Borrower's name, execute and deliver proof of 
claim, receive all such monies, endorse checks and other instruments 
representing payment of such monies, and adjust, litigate, compromise or 
release any claim against the issuer of any such policy.

     Section 3.4  Occupancy. (a)  The Borrower hereby irrevocably grants to 
                  ---------
the Lender the right to take possession of the Premises at any time after 
the occurrence and during the continuance of an Event of Default.

     (b)  The Lender may use the Premises only to hold, process, manufacture,
     sell, use, store, liquidate, realize upon or otherwise dispose of goods 
     that are Collateral and for other purposes that the Lender may in good 
     faith deem to be related or incidental purposes.

     (c) The right of the Lender to hold the Premises shall cease and 
     terminate upon the earlier of (a) payment in full and discharge of all 
     Obligations, and (b) final sale or disposition of all goods constituting
     Collateral and delivery of all such goods to purchasers.

     (d) The Lender shall not be obligated to pay or account for any rent or 
     other compensation for the possession, occupancy or use of any of the 
     Premises; provided, however, in the event that the Lender does pay or 
     account for any rent or other compensation for the possession, occupancy
     or use of any of the Premises, the Borrower shall reimburse the Lender 
     promptly for the full amount thereof.  In addition, the Borrower will 
     pay, or reimburse the Lender for, all taxes, fees, duties, imposts, 
     charges and expenses at any time incurred by or imposed upon the Lender 
     by reason of the execution, delivery, existence, recordation, 
     performance or enforcement of this Agreement or the provisions of this 
     Section 3.4.

     Section 3.5  License.  The Borrower hereby grants to the Lender, 
                  -------
subject, however, to any exclusive rights held by non-U.S. distributors of 
the Borrower's products, a non-exclusive, worldwide and royalty-free license 
to use or otherwise exploit all trademarks, franchises, trade names, 
copyrights and patents of the Borrower for the purpose of selling, leasing or
otherwise disposing of any or all Collateral following an Event of Default.




                                  11
<PAGE>

                            ARTICLE IV

                      Conditions of Lending
                      ---------------------

          Section 4.1  Conditions Precedent to the Initial Advance.  The 
obligation of the Lender to make the initial Advance under the Credit 
Facility or to issue or to cause the Issuer to issue the initial Letter of 
Credit shall be subject to the condition precedent that the Lender shall have
received all of the following, each in form and substance satisfactory to the
Lender:

           (a)  This Agreement, properly executed on behalf of the Borrower.

           (b)  The Note, properly executed on behalf of the Borrower.

           (c)  A true and correct copy of any and all leases pursuant to 
                which the Borrower is leasing the Premises, together with a 
                landlord's disclaimer and consent with respect to each such 
                lease.

           (d)  A Collateral Account Agreement, duly executed by the Borrower
                and a financial institution acceptable to the Lender, 
                pursuant to which the Borrower and the institution establish 
                a depository account (the "Collateral Account") in the name 
                of and under the sole and exclusive control of the Lender, 
                from which such institution agrees to transfer finally 
                collected funds to the Lender for application to the 
                Advances.

            (e) A Lockbox Agreement, duly executed by the Borrower and an 
                institution acceptable to the Lender, pursuant to which the 
                Borrower agrees to maintain and direct account debtors to 
                make payment to, and such institution agrees to maintain and 
                process payments received in, a lockbox for the benefit of 
                the Lender (the "Lockbox"), from which Lockbox such 
                institution shall transfer funds to the Collateral Account.

            (f) Current searches of appropriate filing offices showing that 
                (i) no state or federal tax liens have been filed and remain 
                in effect against the Borrower, (ii) no financing statements 
                have been filed and remain in effect against the Borrower, 
                except those financing statements relating to liens permitted
                pursuant to Section 7.1 hereof and those financing statements
                filed by the Lender, and (iii) the Lender has duly filed all 
                financing statements necessary to perfect the Security 
                Interests granted hereunder, to the extent the Security
                Interests are capable of being perfected by filing.

            (g) A certificate of the Secretary or an Assistant Secretary of 
                the Borrower, certifying as to (i) the resolutions of the 
                directors and, if required, the shareholders of the Borrower,
                authorizing the execution, delivery and performance of this 
                Agreement and the Security Documents, (ii) the articles of 
                incorporation and bylaws of the Borrower, and (iii) the 
                signatures of the officers or agents of the Borrower 
                authorized to execute and deliver this Agreement, the 

                                   12
<PAGE>

                Security Documents and other instruments, agreements and 
                certificates, including Advance requests, on behalf of the 
                Borrower.

            (h) A current certificate issued by the Secretary of State of the 
                state of the Borrower's incorporation, certifying that the 
                Borrower is in compliance with all corporate  organizational 
                requirements of such state.

            (i) Evidence that the Borrower is duly licensed or qualified to 
                transact business in all jurisdictions where the character of
                the property owned or leased or the nature of the business 
                transacted by it makes such licensing or qualification 
                necessary.

            (j) An opinion of counsel to the Borrower, addressed to the 
                Lender.

            (k) Support Agreements duly executed by Richard S. Simms and 
                Donald V. Warriner.

            (l) Certificates of the insurance required hereunder, with all 
                hazard insurance containing a lender's loss payable 
                endorsement in favor of the Lender and with all liability
                insurance naming the Lender as an additional insured.

            (m) Payment of the fees due through the date of the initial 
                Advance under Section 2.11 hereof and expenses incurred by 
                the Lender through such date and required to be paid
                by the Borrower under Section 9.7 hereof.

            (n) Immediately after the initial Advance under Section 1.1 
                hereof and payment of the fees required to be paid pursuant 
                to Section 2.11 hereof, the Borrowing Base shall exceed the 
                principal balance of the Note by at least $25,000.

            (o) Such other documents as the Lender in its sole discretion may
                require.

          Section 4.2  Conditions Precedent to All Advances.  The obligation 
of the Lender to make each Advance shall be subject to the further conditions
precedent that on such date:

            (a) the representation and warranties contained in Article V 
                hereof are correct on and as of the date of such Advance as 
                though made on and as of such date, except to the extent that
                such representations and warranties relate solely to an 
                earlier date; and

            (b) no event has occurred and is continuing, or would result from
                such Advance which constitutes a Default or an Event of 
                Default.

                                   13
<PAGE>

                            ARTICLE V

                  Representations and Warranties
                  ------------------------------

          The Borrower represents and warrants to the Lender as follows:

          Section 5.1  Corporate Existence and Power; Name; Chief Executive 
                       ----------------------------------------------------
Office; 
- ------
Inventory and Equipment Locations.  The Borrower is a corporation 
duly incorporated, validly existing and in good standing under the laws of 
the State of Colorado, and is duly licensed or qualified to transact
business in all jurisdictions where the character of the property owned or 
leased or the nature of the business transacted by it makes such licensing or
qualification necessary.  The Borrower has all requisite power and authority,
corporate or otherwise, to conduct its business, to own its properties
and to execute and deliver, and to perform all of its obligations under, the 
Loan Documents.  During its corporate existence, the Borrower has done 
business solely under the names set forth in Exhibit B hereto.  The chief 
executive office and principal place of business of the Borrower is located 
at the address set forth in Exhibit B hereto, and all of the Borrower's 
records relating to its business or the Collateral are kept at that location.
All Inventory and Equipment is located at that location or at one of the 
other locations set forth in Exhibit B hereto.

          Section 5.2  Authorization of Borrowing; No Conflict as to Law or 
                       ----------------------------------------------------
Agreements.  
- ----------
The execution, delivery and performance by the Borrower of the 
Loan Documents and the borrowings from time to time hereunder have been duly 
authorized by all necessary corporate action and do not and will not (a) 
require any consent or approval of the stockholders of the Borrower other 
than that which has been obtained as of the date hereof, (b) require any 
authorization, consent or approval by, or registration, declaration or filing
with, or notice to, any governmental department, commission, board, bureau, 
agency or instrumentality, domestic or foreign, or any third party, except 
such authorization, consent, approval, registration, declaration, filing or 
notice as has been obtained, accomplished or given prior to the date hereof, 
(c) violate any provision of any law, rule or regulation (including, without 
limitation, Regulation X of the Board of Governors of the Federal Reserve 
System) or of any order, writ, injunction or decree presently in effect 
having applicability to the Borrower or of the Articles of Incorporation or 
Bylaws of the Borrower, (d) result in a breach of or constitute a default 
under any indenture or loan or credit agreement or any other material
agreement, lease or instrument to which the Borrower is a  party or by which 
it or its properties may be bound or affected, or (e) result in, or require, 
the creation or imposition of any mortgage, deed of trust, pledge, lien, 
security interest or other charge or encumbrance of any nature (other than 
the Security Interests) upon or with respect to any of the properties now 
owned or hereafter acquired by the Borrower.

          Section 5.3  Legal Agreements.  This Agreement constitutes and, 
                       ----------------
upon due execution by the Borrower, the other Loan Documents will constitute 

                                   14
<PAGE>

the legal, valid and binding obligations of the Borrower, enforceable against
the Borrower in accordance with their respective terms.

          Section 5.4  Subsidiaries.  Except as set forth in Exhibit B attached
                       ------------
hereto, the Borrower has no Subsidiaries.

          Section 5.5  Financial Condition; No Adverse Change.  The Borrower 
                       -------------------
has heretofore furnished to the Lender unaudited financial statements of the 
Borrower as of October 31, 1996, and those statements fairly present the 
financial condition of the Borrower on the dates thereof and the results of 
its operations and cash flows for the periods then ended and were prepared in
accordance with generally accepted accounting principles.  Since the date of 
the most recent financial statements, there has been no material adverse 
change in the business, properties or condition (financial or otherwise) of 
the Borrower.

          Section 5.6  Litigation.  Except as otherwise disclosed to the 
                       ----------
Lender in writing, there are no actions, suits or proceedings pending or, to 
the knowledge of the Borrower, threatened against or affecting the Borrower 
or any of its Affiliates or the properties of the Borrower or any of its
Affiliates before any court or governmental department, commission, board, 
bureau, agency or instrumentality, domestic or foreign, which, if determined 
adversely to the Borrower or any of its Affiliates, would have a material 
adverse effect on the financial condition, properties or operations of the 
Borrower or any of its Affiliates.

          Section 5.7  Regulation U.  The Borrower is not engaged 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 no part of the proceeds of any Advance will be 
used to purchase or carry any margin stock or to extend credit to others for 
the purpose of purchasing or carrying any margin stock.

          Section 5.8  Taxes.  The Borrower and its Affiliates have paid or 
                       -----
caused to be paid to the proper authorities when due all federal, state and 
local taxes required to be withheld by each of them.  The Borrower and its 
Affiliates have filed all federal, state and local tax returns which to the
knowledge of the officers of the Borrower or any Affiliate, as the case may 
be, are required to be filed, and the Borrower and its Affiliates have paid 
or caused to be paid to the respective taxing authorities all taxes as shown 
on said returns or on any assessment received by any of them to the extent 
such taxes have become due.

          Section 5.9  Titles and Liens.  The Borrower has good and absolute 
                       ----------------
title to all Collateral described in the collateral reports provided to the 
Lender and all other Collateral, properties and assets reflected in the 
latest balance sheet referred to in Section 5.5 hereof and all proceeds 
thereof, free and clear of all mortgages, security interests, liens and 
encumbrances, except for (i) mortgages, security interests and liens 
permitted by Section 7.1 hereof, and (ii) in the case of any such property 
which is not Collateral or other collateral described in the Security 
Documents, covenants, restrictions, rights, easements and minor 

                                  15
<PAGE>

irregularities in title which do not materially interfere with the business 
or operations of the Borrower as presently conducted.  No financing
statement naming the Borrower as debtor is on file in any office except to 
perfect only security interests permitted by Section 7.1 hereof.

     Section 5.10  Plans.  Except as disclosed to the Lender in writing prior
                   -----
to the date hereof, neither the Borrower nor any of its Affiliates maintains 
or has maintained any Plan.  

     Section 5.11  Default.  The Borrower is in compliance with all provisions 
                   -------
of all agreements, instruments, decrees and orders to which it is a party or 
by which it or its property is bound or affected, the breach or default of 
which could have a material adverse effect on the financial condition, 
properties or operations of the Borrower.

     Section 5.12  Environmental Protection.  The Borrower, to the best of 
                   ------------------------
the Borrower's knowledge, has obtained all permits, licenses and other 
authorizations which are required under federal, state and local laws and 
regulations relating to emissions, discharges, releases of pollutants, 
contaminants, hazardous or toxic materials, or wastes into ambient air, 
surface water, ground water or land, or otherwise relating to the 
manufacture, processing, distribution, use, treatment, storage, disposal, 
transport or handling of pollutants, contaminants or hazardous or toxic 
materials or wastes ("Environmental Laws") at the Borrower's facilities or 
in connection with the operation of its facilities.  Except as previously 
disclosed to the Lender in writing, the Borrower and all activities of the 
Borrower at its facilities comply, to the best of the Borrower's knowledge, 
with all Environmental Laws and with all terms and conditions of any required
permits, licenses and authorizations applicable to the Borrower with respect 
thereto.  Except as previously disclosed to the Lender in writing, the 
Borrower is also in compliance, to the best of the Borrower's knowledge,
with all limitations, restrictions, conditions, standards, prohibitions, 
requirements, obligations, schedules and timetables contained in Environmental 
Laws or contained in any plan, order, decree, judgment or notice of which the
Borrower is aware.  Except as previously disclosed to the Lender in writing, 
the Borrower is not aware of, nor has the Borrower received notice of, any 
events, conditions, circumstances, activities, practices, incidents, actions 
or plans which may interfere with or prevent continued compliance with, or 
which may give rise to any liability under, any Environmental Laws.

     Section 5.13  Submissions to Lender.  All financial and other information
                   ---------------------
provided to the Lender by or on behalf of the Borrower in connection with the 
Borrower's request for the credit facilities contemplated hereby is true and 
correct in all material respects and, as to projections, valuations or 
proforma financial statements, present a good faith opinion as to such 
projections, valuations and proforma condition and results.

     Section 5.14  Financing Statements.  The Borrower has provided to the 
                   --------------------
Lender signed financing statements sufficient when filed to perfect the 
Security Interests and the other security interests created by the Security 
Documents.  When such financing statements are filed in the offices
noted therein, the Lender will have a valid and perfected security interest 
in all Collateral and all other collateral described in the Security 

                                  16
<PAGE>

Documents which is capable of being perfected by filing financing statements.
None of the Collateral or other collateral covered by the Security Documents
is or will become a fixture on real estate, unless a sufficient fixture 
filing is in effect with respect thereto.

     Section 5.15  Rights to Payment.  Each right to payment and each 
                   -----------------
instrument, document, chattel paper and other agreement constituting or 
evidencing Collateral or other collateral covered by the Security Documents 
is (or, in the case of all future Collateral or such other collateral,
will be when arising or issued) the valid, genuine and legally enforceable 
obligation, subject to no defense, setoff or counterclaim, of the account 
debtor or other obligor named therein or in the Borrower's records pertaining
thereto as being obligated to pay such obligation.


                              ARTICLE VI

              Affirmative Covenants of the Borrower
              -------------------------------------
          So long as the Note shall remain unpaid or the Credit Facility 
shall be outstanding, the Borrower will comply with the following 
requirements, unless the Lender shall otherwise consent in writing:

          Section 6.1  Reporting Requirements.  The Borrower will deliver, or
                       ----------------------
cause to be delivered, to the Lender each of the following, which shall be in 
form and detail acceptable to the Lender:

          (a) as soon as available, and in any event within 105 days after 
              the end of each fiscal year of DNC, audited consolidated and 
              consolidating financial statements of DNC and its subsidiaries,
              including the Borrower, with the unqualified opinion of 
              independent certified public accountants selected by DNC and 
              acceptable to the Lender, which annual financial statements 
              shall include the balance sheet of DNC and its subsidiaries, 
              including the Borrower, as at the end of such fiscal year and 
              the related statements of income, retained earnings and cash 
              flows of DNC and its subsidiaries, including the Borrower, for 
              the fiscal year then ended, all in reasonable detail and 
              prepared in accordance with generally accepted accounting 
              principles applied on a basis consistent with the accounting 
              practices applied in the financial statements referred to in 
              Section 5.5 hereof, together with (i) a report signed by such 
              accountants stating that in making the investigations necessary
              for said opinion they obtained no knowledge, except as 
              specifically stated, of any Default or Event of Default
              hereunder and all relevant facts in reasonable detail to 
              evidence, and the computations as to, whether or not the 
              Borrower is in compliance with the requirements set forth in
              Sections 6.12 through 6.13 and Section 7.10 hereof; and (ii) a 
              certificate of the chief financial officer of DNC stating that 
              such financial statements have been prepared in accordance with
              generally accepted accounting principles applied on a basis 

                                   17
<PAGE>

              consistent with the accounting practices reflected in the 
              annual financial statements referred to in Section 5.5 hereof 
              and whether or not such officer has knowledge of the occurrence
              of any Default or Event of Default hereunder and, if so, 
              stating in reasonable detail the facts with respect thereto;

          (b) as soon as available and in any event within 20 days after the 
              end of each month, an unaudited/internal balance sheet and 
              statements of income and retained earnings of the Borrower as 
              at the end of and for such month and for the year to date 
              period then ended, in reasonable detail and stating in 
              comparative form the figures for the corresponding date and 
              periods in the previous year, all prepared in accordance with 
              generally accepted accounting principles applied on a basis 
              consistent with the accounting practices reflected in the 
              financial statements referred to in Section 5.5 hereof, subject
              to year-end audit adjustments; and accompanied by a certificate
              of the chief financial officer of the Borrower, substantially 
              in the form of Exhibit D hereto stating (i) that such financial
              statements have been prepared in accordance with generally 
              accepted accounting principles applied on a basis consistent 
              with the accounting practices reflected in the financial 
              statements referred to in Section 5.5 hereof, subject to 
              year-end audit adjustments, (ii) whether or not such officer 
              has knowledge of the occurrence of any Default or Event of 
              Default hereunder not theretofore reported and remedied and, if
              so, stating in reasonable detail the facts with respect 
              thereto, and (iii) all relevant facts in reasonable detail to 
              evidence, and the computations as to, whether or not the 
              Borrower is in compliance with the requirements set forth in 
              Sections 6.12 through 6.13 and Section 7.10 hereof;

          (c) within 15 days after the end of each month, agings of the 
              Borrower's accounts receivable and its accounts payable as at 
              the end of such month;

          (d) on each Banking Day an assignment of Receivables and a 
              collection report;

          (e) at least 30 days before the beginning of each fiscal year of 
              the Borrower, the projected balance sheets and income 
              statements for each month of such year, each in reasonable 
              detail, representing the good faith projections of the Borrower
              and certified by the Borrower's chief financial officer as 
              being the most accurate projections available;

          (f) immediately after the commencement thereof, notice in writing 
              of all litigation and of all proceedings before any 
              governmental or regulatory agency affecting the Borrower of the
              type described in Section 5.6 hereof or which seek a monetary 
              recovery against the Borrower in excess of $25,000;
 
          (g) as promptly as practicable (but in any event not later than 
              five business days) after an officer of the Borrower obtains 
              knowledge of the occurrence of any breach, default or event of 
              default under any Security Document or any event which 
              constitutes a Default or Event of Default hereunder, notice of 
              such occurrence, together with a detailed statement by a 

                                   18
<PAGE>

              responsible officer of the Borrower of the steps being taken by
              the Borrower to cure the effect of such breach, default or 
              event;

          (h) promptly upon knowledge thereof, notice of (i) any disputes or 
              claims by customers of the Borrower in excess of $5,000 
              individual or in excess of $20,000 in the aggregate; and (ii) 
              any change in the persons constituting the officers and 
              directors of the Borrower; 

          (i) promptly upon knowledge thereof, notice of any loss of or 
              material damage to any Collateral or other collateral covered 
              by the Security Documents or of any substantial adverse change 
              in any Collateral or such other collateral or the prospect of 
              payment thereof;

          (j) promptly upon their distribution, copies of all financial 
              statements, reports and proxy statements which DNC shall have 
              sent to its stockholders; 

          (k) promptly after the sending or filing thereof, copies of all 
              regular and periodic financial reports which DNC shall file 
              with the Securities and Exchange Commission or any national 
              securities exchange;

          (l) promptly upon knowledge thereof, notice of the violation by the 
              Borrower of any law, rule or regulation, the non-compliance 
              with which could materially and adversely affect its business 
              or its financial condition; and

          (m) from time to time, with reasonable promptness, any and all 
              receivables schedules, collection reports, deposit records, 
              equipment schedules, copies of invoices to account debtors, 
              shipment documents and delivery receipts for goods sold, and 
              such other material, reports, records or information as the 
              Lender may reasonably request.

     Section 6.2   Books and Records; Inspection and Examination.  The 
                   ---------------------------------------------
Borrower will keep accurate books of record and account for itself pertaining
to the Collateral and pertaining to the Borrower's business and financial 
condition and such other matters as the Lender may from time to time request 
in which true and complete entries will be made in accordance with generally 
accepted accounting principles consistently applied and, upon request of the 
Lender, will permit any officer, employee, attorney or accountant for the 
Lender to audit, review, make extracts from or copy any and all corporate and
financial books and records of the Borrower at all times during ordinary
business hours, to send and discuss with account debtors and other obligors 
requests for verification of amounts owed to the Borrower, and to discuss the
affairs of the Borrower with any of its directors, officers, employees or 
agents.  The Borrower will permit the Lender, or its employees, accountants, 
attorneys or agents, to examine and inspect any Collateral, other collateral 
covered by the Security Documents or any other property of the Borrower at 
any time during ordinary business hours.

                                   19
<PAGE>

     Section 6.3  Account Verification.  The Borrower will at any time and 
from time to time upon request of the Lender send requests for verification 
of accounts or notices of assignment to account debtors and other obligors.

     Section 6.4  Compliance with Laws; Environmental Indemnity.  The 
                  ---------------------------------------------
Borrower will (a) comply with the requirements of applicable laws and 
regulations, the non-compliance with which would materially and adversely 
affect its business or its financial condition, (b) comply with all 
applicable Environmental  Laws and obtain any permits, licenses or similar 
approvals required by any such Environmental Laws, and (c) use and keep the 
Collateral, and will require that others use and keep the Collateral, only 
for lawful purposes, without violation of any federal, state or local law, 
statute or ordinance.  The Borrower will indemnify, defend and hold the 
Lender harmless from and against any claims, loss or damage to which the 
Lender may be subjected as a result of any past, present or future existence,
use, handling, storage, transportation or disposal of any hazardous waste or 
substance or toxic substance by the Borrower or on property owned, leased or 
controlled by the Borrower.  This indemnification agreement shall survive the
termination of this Agreement and payment of the indebtedness hereunder.

     Section 6.5  Payment of Taxes and Other Claims.  The Borrower will pay 
                  ---------------------------------
or discharge, when due, (a) all taxes, assessments and governmental charges 
levied or imposed upon it or upon its income or profits, upon any properties 
belonging to it (including, without limitation, the Collateral) or upon or 
against the creation, perfection or continuance of the Security Interests, 
prior to the date on which penalties attach thereto, (b) all federal, state 
and local taxes required to be withheld by it, and (c) all lawful claims for 
labor, materials and supplies which, if unpaid, might by law become a lien or
charge upon any properties of the Borrower; provided, that the Borrower shall
not be required to pay any such tax, assessment, charge or claim whose 
amount, applicability or validity is being contested in good faith by 
appropriate proceedings.

          Section 6.6  Maintenance of Properties.
                       --------------------------

       (a)  The Borrower will keep and maintain the Collateral, the other 
            collateral covered by the Security Documents and all of its other
            properties necessary or useful in its business in good condition,
            repair and working order (normal wear and tear excepted) and
            will from time to time replace or repair any worn, defective or 
            broken parts; provided, however, that nothing in this Section 6.6
            shall prevent the Borrower from discontinuing the operation and 
            maintenance of any of its properties if such discontinuance is, 
            in the judgment of the Lender, desirable in the conduct of the 
            Borrower's business and not disadvantageous in any material 
            respect to the Lender.

       (b)  The Borrower will defend the Collateral against all claims or 
            demands of all persons (other than the Lender) claiming the 
            Collateral or any interest therein.

                                   20
<PAGE>

       (c)  The Borrower will keep all Collateral and other collateral 
            covered by the Security Documents free and clear of all security 
            interests, liens and encumbrances except the Security Interests 
            and other security interests permitted by Section 7.1 hereof.

     Section 6.7  Insurance.  The Borrower will obtain and at all times 
                  ---------
maintain insurance with insurers believed by the Borrower to be responsible 
and reputable, in such amounts and against such risks as may from time to 
time be required by the Lender, which insurance shall include business 
interruption insurance, but in all events in such amounts and against such 
risks as is usually carried by companies engaged in similar business and 
owning similar properties in the same general areas in which the Borrower 
operates.  Without limiting the generality of the foregoing, the Borrower 
will at all times keep all tangible Collateral insured against risks of fire 
(including so-called extended coverage), theft, collision (for Collateral 
consisting of motor vehicles) and such other risks and in such amounts as the
Lender may reasonably request, with any loss payable to the Lender to the 
extent of its interest, and all policies of such insurance shall contain a 
lender's loss payable endorsement for the benefit of the Lender.  All 
policies of liability insurance required hereunder shall name the Lender as 
an additional insured.

     Section 6.8  Preservation of Corporate Existence.  The Borrower will 
                  -----------------------------------
preserve and maintain its corporate existence and all of its rights, 
privileges and franchises necessary or desirable in the normal conduct of its
business and shall conduct its business in an orderly, efficient and
regular manner.

     Section 6.9  Delivery of Instruments, etc.  Upon request by the Lender, 
                  ----------------------------
the Borrower will promptly deliver to the Lender in pledge all instruments, 
documents and chattel papers constituting Collateral, duly endorsed or 
assigned by the Borrower.

     Section 6.10  Lockbox; Collateral Account.  
                   ---------------------------
     (a)  The Borrower will irrevocably direct all present and future Account
          debtors and other Persons obligated to make payments constituting 
          Collateral to make such payments directly to the Lockbox.  All of 
          the Borrower's invoices, account statements and other written or 
          oral communications directing, instructing, demanding or requesting
          payment of any Account or any other amount constituting Collateral 
          shall conspicuously direct that all payments be made to the Lockbox
          and shall include the Lockbox address.  All payments received in 
          the Lockbox shall be processed to the Collateral Account.

     (b)  The Borrower agrees to deposit in the Collateral Account or, at the
          Lender's option, to deliver to the Lender  all collections on 
          Accounts, contract rights, chattel paper and other rights to 
          payment constituting Collateral, and all other cash proceeds of 
          Collateral, which the Borrower may receive directly notwithstanding
          its direction to Account debtors and other obligors to make 
          payments to the Lockbox, immediately upon receipt thereof, in

                                    21
<PAGE>

          the form received, except for the Borrower's endorsement when 
          deemed necessary.  In the event that there are no outstanding 
          Advances and the loan balance is zero, at the Borrower's written 
          request, the Lender shall direct the Collateral Account bank to 
          deposit proceeds or collections of Collateral into the Borrower's 
          operating account.  Until delivered to the Lender or deposited in 
          the Collateral Account, all proceeds or collections of Collateral 
          shall be held in trust by the Borrower for and as the property of 
          the Lender and shall not be commingled with any funds or property 
          of the Borrower.  Amounts deposited in the Collateral Account shall
          not bear interest and shall not be subject to withdrawal by the
          Borrower, except after full payment and discharge of all 
          Obligations.  All such collections shall constitute proceeds of 
          Collateral and shall not constitute payment of any Obligation. 
          Collected funds from the Collateral Account may be transferred to 
          the Lender's general account, and the Lender may deposit in its 
          general account or in the Collateral Account any and all 
          collections received by it directly from the Borrower.  The Lender 
          may commingle such funds with other property of the Lender or any 
          other person.  The Lender shall, after allowing two Banking Days 
          for collection and two Banking Days for processing, apply such
          funds to the payment of any and all Obligations, in any order or 
          manner of application satisfactory to the Lender.  All items 
          delivered to the Lender or deposited in the Collateral Account 
          shall be subject to final payment.  If any such item is returned 
          uncollected, the Borrower will immediately pay the Lender, or, for 
          items deposited in the Collateral Account, the bank maintaining 
          such account, the amount of that item, or such bank at its 
          discretion may charge any uncollected item to the Borrower's 
          commercial account or other account.  The Borrower shall be liable 
          as an endorser on all items deposited in the Collateral Account,
          whether or not in fact endorsed by the Borrower.

     Section 6.11  Performance by the Lender.  If the Borrower at any time 
                   -------------------------
fails to perform or observe any of the foregoing covenants contained in this 
Article VI or elsewhere herein, and if such failure shall continue for a 
period of ten calendar days after the Lender gives the Borrower written 
notice thereof (or in the case of the agreements contained in Sections 6.5, 
6.7 and 6.10 hereof, immediately upon the occurrence of such failure, without
notice or lapse of time), the Lender may, but need not, perform or observe 
such covenant on behalf and in the name, place and stead of the Borrower (or,
at the Lender's option, in the Lender's name) and may, but need not, take any
and all other actions which the Lender may reasonably deem necessary to cure 
or correct such failure (including, without limitation, the payment of taxes,
the satisfaction of security interests, liens or encumbrances, the 
performance of obligations owed to account debtors or other obligors, the
procurement and maintenance of insurance, the execution of assignments, 
security agreements and financing statements, and the endorsement of 
instruments); and the Borrower shall thereupon pay to the Lender on demand 
the amount of all monies expended and all costs and expenses (including
reasonable attorneys' fees and legal expenses) incurred by the Lender in 
connection with or as a result of the performance or observance of such 
agreements or the taking of such action by the Lender, together with interest
thereon from the date expended or incurred at the Floating Rate.  To 

                                 22
<PAGE>

facilitate the performance or observance by the Lender of such covenants of 
the Borrower, the Borrower hereby irrevocably appoints the Lender, or the 
delegate of the Lender, acting alone, as the attorney in fact of the Borrower
(which appointment is coupled with an interest) with the right (but not the 
duty) from time to time to create, prepare, complete, execute, deliver, 
endorse or file in the name and on behalf of the Borrower any and all 
instruments, documents, assignments, security agreements, financing 
statements, applications for insurance and other agreements and writings
required to be obtained, executed, delivered or endorsed by the Borrower 
under this Section 6.11.

     Section 6.12  Maximum Loss.  The Borrower shall not have during any 
                   ------------
month or period of two consecutive months, commencing with January, 1997, an 
after-tax net loss, determined in accordance with generally accepted 
accounting principles but excluding extraordinary gains, of $50,000 or more.

     Section 6.13  Cumulative Net Profits.  The Borrower shall, at the end of
                   ----------------------
each period set forth below, have net after-tax income for such period, 
determined in accordance with generally accepted accounting principles, but 
excluding extraordinary gains, of an amount which is greater than or equal to
the amount set forth opposite such period:

<TABLE>
<CAPTION>
            Period                           Net Profits
 --------------------------------          --------------
<S>                                          <C>
Six months ending March 31, 1997              $ 25,000

Nine months ending June 30, 1997              $ 50,000

Twelve months ending September 30, 1997       $ 75,000
</TABLE>


Prior to September 1, 1997, the Lender and the Borrower shall negotiate in 
good faith as to the net profits that the Borrower shall be required to 
achieve for periods after September 30, 1997, but if the Borrower and the 
Lender do not agree, the Lender may designate the required net profits in its
sole discretion and the failure of the Borrower to achieve the net profits 
designated by the Lender pursuant to this Section 6.13 shall constitute a 
Default by the Borrower hereunder.

     
                            ARTICLE VII

                        Negative Covenants
                        ------------------

          So long as the Note shall remain unpaid or the Credit Facility 
shall be outstanding, the Borrower agrees that, without the prior written 
consent of the Lender:

          Section 7.1  Liens.  The Borrower will not create, incur or suffer 
                       -----
to exist any mortgage, deed of trust, pledge, lien, security interest, 
assignment or transfer upon or of any of its assets, now owned or hereafter 

                                  23
<PAGE>

acquired, to secure any indebtedness; excluding, however, from the operation
                                                 -------
of the foregoing:

     (a)  mortgages, deeds of trust, pledges, liens, security interests and 
          assignments in existence on the date hereof and listed in Exhibit 
          C hereto, securing indebtedness for borrowed money permitted under 
          Section 7.2 hereof; 

     (b)  the Security Interests; and

     (c)  purchase money security interests relating to the acquisition of 
          machinery and equipment of the Borrower so long as the Borrower is 
          in, and maintains, compliance with every other provision of this 
          Agreement.

     Section 7.2  Indebtedness.  The Borrower will not incur, create, assume 
                  ------------
or permit to exist any indebtedness or liability on account of deposits or 
advances or any indebtedness for borrowed money, or any other indebtedness or
liability evidenced by notes, bonds, debentures or similar obligations, 
except:

      (a)  indebtedness arising hereunder; 

      (b)  indebtedness of the Borrower in existence on the date hereof and 
           listed in Exhibit C hereto; and

      (c)  indebtedness relating to liens permitted in accordance with 
           Section 7.1(c) hereof.

     Section 7.3  Guaranties.  The Borrower will not assume, guarantee, 
                  ----------
endorse or otherwise become directly or contingently liable in connection 
with any obligations of any other Person, except:

      (a)  the endorsement of negotiable instruments by the Borrower for 
           deposit or collection or similar transactions in the ordinary 
           course of business; and

      (b)  guaranties, endorsements and other direct or contingent 
           liabilities in connection with the obligations of other Persons 
           in existence on the date hereof and listed in Exhibit C hereto.

     Section 7.4  Investments and Subsidiaries.  (a) The Borrower will not 
purchase or hold beneficially any stock or other securities or evidences of 
indebtedness of, make or permit to exist any loans or advances to, or make 
any investment or acquire any interest whatsoever in, any other Person, 
including specifically but without limitation any partnership or joint 
venture, except:

                                   24
<PAGE>

            (1)  investments in direct obligations of the United States of 
    America or any agency or instrumentality thereof whose obligations 
    constitute full faith and credit obligations of the United States of 
    America having a maturity of one year or less, commercial paper issued by
    U.S. corporations rated "A-1" or "A-2" by Standard & Poors Corporation or
    "P-1" or "P-2" by Moody's Investors Service or certificates of deposit or
    bankers' acceptances having a maturity of one year or less issued by 
    members of the Federal Reserve System having deposits in excess of
    $100,000,000 (which certificates of deposit or bankers' acceptances are 
    fully insured by the Federal Deposit Insurance Corporation);

           (2)   travel advances or loans to officers and employees of the 
    Borrower not exceeding at any one time an aggregate of $15,000;

           (3)   advances in the form of progress payments, prepaid rent or 
    security deposits; and

           (4)   loans or advances to DNC outstanding on the date of this 
    Agreement plus loans or advances to DNC made after the date of this 
    Agreement provided that no more than $8,000 of loans or advances are made
    in any calendar month and at the time any such loans or advances are made
    (i) no Default or Event of Default has occurred and is continuing or 
    would exist immediately after such loan or advance is made, and (ii) 
    immediately after such loan or advance is made the Borrower has no
    undisputed trade payables which are more than 30 days past due and the 
    Borrowing Base exceeds the outstanding principal balance of the Note by 
    at least $25,000.

           (b)  The Borrower will not create or permit to exist any 
                Subsidiary, other than any Subsidiary in existence on the 
                date hereof and listed in Exhibit B hereto.

     Section 7.5  Dividends.  The Borrower will not declare or pay any 
                  ---------
dividends (other than dividends payable solely in stock of the Borrower) on 
any class of its stock or make any payment on account of the purchase, 
redemption or other retirement of any shares of such stock or make any 
distribution in respect thereof, either directly or indirectly.

     Section 7.6  Sale or Transfer of Assets; Suspension of Business 
                  --------------------------------------------------
Operations.  
- ----------
The Borrower will not sell, lease, assign, transfer or otherwise dispose of 
(i) the stock of any Subsidiary, (ii) all or a substantial part of its 
assets, or (iii) any Collateral or any interest therein (whether in one
transaction or in a series of transactions) to any other Person other than 
the sale of Inventory in the ordinary course of business and will not 
liquidate, dissolve or suspend business operations.  The Borrower will not in
any manner transfer any property without prior or present receipt of full and
adequate consideration.

                                   26
<PAGE>

     Section 7.7  Consolidation and Merger; Asset Acquisitions.  The Borrower 
                  --------------------------------------------
will not consolidate with or merge into any Person, or permit any other 
Person to merge into it, or acquire (in a transaction analogous in purpose or
effect to a consolidation or merger) all or substantially all the assets of 
any other Person.

     Section 7.8  Sale and Leaseback.  The Borrower will not enter into any 
                  ------------------
arrangement, directly or indirectly, with any other Person whereby the 
Borrower shall sell or transfer any real or personal property, whether now 
owned or hereafter acquired, and then or thereafter rent or lease as lessee 
such property or any part thereof or any other property which the Borrower 
intends to use for substantially the same purpose or purposes as the property
being sold or transferred.

     Section 7.9  Restrictions on Nature of Business.  The Borrower will not 
                  ----------------------------------
engage in any line of business materially different from that presently 
engaged in by the Borrower and will not purchase, lease or otherwise acquire 
assets not related to its business.

     Section 7.10  Capital Expenditures.  The Borrower will not expend or 
                   --------------------
contract to expend, in the aggregate during any fiscal year, more than (a) 
$50,000 or (b) $100,000, if DNC makes an capital investment in the Borrower 
in an amount equal to or more than $50,000, for the lease, purchase or other 
acquisition of any capital asset, or for the lease of any other asset, whether
payable currently or in the future.

     Section 7.11  Accounting.  The Borrower will not adopt any material 
                   ----------
change in accounting principles other than as required by generally accepted 
accounting principles.  The Borrower will not adopt, permit or consent to any
change in its fiscal year.

     Section 7.12  Discounts, etc.  The Borrower will not, after notice from 
                   --------------
the Lender, grant any discount, credit or allowance to any customer of the 
Borrower or accept any return of goods sold (other than a return of defective
merchandise in the ordinary course of business), or at any time (whether 
before after notice from the Lender) modify, amend, subordinate, cancel or 
terminate the obligation of any account debtor or other obligor of the 
Borrower.

     Section 7.13  Defined Benefit Pension Plans.  The Borrower will not 
                   -----------------------------
adopt, create, assume or become a party to any Plan, unless disclosed to the 
Lender pursuant to Section 5.10 hereof.

     Section 7.14  Other Defaults.  The Borrower will not permit any breach, 
                   --------------
default or event of default to occur under any note, loan agreement, 
indenture, lease, mortgage, contract for deed, security agreement or other 
contractual obligation binding upon the Borrower, in excess of $2,000
singly or in the aggregate.

                                   26
<PAGE>

     Section 7.15  Place of Business; Name.  The Borrower will not transfer 
                   -----------------------
its chief executive office or principal place of business, or move, relocate,
close or sell any business location outside of Jefferson County, the City and
County of Denver, Arapahoe County, Adams County or Douglas County (the 
"Counties") provided that, if the Borrower transfers its chief executive 
office or principal place of business within the Counties, or moves, 
relocates, closes or sells any business location within the Counties, the 
Borrower shall notify the Lender in writing of such transfer, move,
relocation, closure or sale at least thirty days before such transfer, move, 
relocation, closure or sale occurs.  The Borrower will not permit any 
tangible Collateral or any records pertaining to the Collateral to be located
in any state or area in which, in the event of such location, a financing
statement covering such Collateral would be required to be, but has not in 
fact been, filed in order to perfect the Security Interests.  The Borrower 
will not change its name.

     Section 7.16  Organizational Documents.  The Borrower will not amend its 
                   ------------------------
certificate of incorporation, articles of incorporation or bylaws.


                            ARTICLE VIII

              Events of Default, Rights and Remedies
              --------------------------------------

          Section 8.1  Events of Default.  "Event of Default", wherever used 
                       -----------------
herein, means any one of the following events:

         (a)  Default in the payment of any interest on or principal of the 
              Note when it becomes due and payable; or

         (b)  Default in the payment of any fees, commissions, costs or 
              expenses required to be paid by the Borrower under this 
              Agreement; or

         (c)  Default in the performance, or breach, of any covenant or 
              agreement of the Borrower contained in this Agreement; or

         (d)  The Borrower shall be or become insolvent, or admit in writing 
              its inability to pay its debts as they mature, or make an 
              assignment for the benefit of creditors; or the Borrower shall 
              apply for or consent to the appointment of any receiver, 
              trustee, or similar officer for it for all or any substantial 
              part of its property; or such receiver, trustee or similar
              officer shall be appointed without the application or consent 
              of the Borrower; or the Borrower shall institute (by petition, 
              application, answer, consent or otherwise) any bankruptcy, 
              insolvency, reorganization, arrangement, readjustment of debt, 
              dissolution, liquidation or similar proceeding relating to it 
              under the laws of any jurisdiction; or any such proceeding 
              shall be instituted (by petition, application or otherwise) 

                                   27
<PAGE>

              against the Borrower; or any judgment, writ, warrant of 
              attachment, garnishment or execution or similar process
              shall be issued or levied against a substantial part of the 
              property of the Borrower; or

         (e)  A petition shall be filed by or against the Borrower under the 
              United States Bankruptcy Code naming the Borrower as debtor; or

         (f)  Any representation or warranty made by the Borrower in this 
              Agreement, any agreement, certificate, instrument or financial 
              statement or other statement contemplated by or made or 
              delivered pursuant to or in connection with this Agreement 
              shall prove to have been incorrect in any material respect when
              deemed to be effective; or

         (g)  The rendering against the Borrower of a final judgment, decree 
              or order for the payment of money in excess of $35,000 which is
              not covered by insurance under circumstances where the insurer 
              does not contest coverage, and the continuance of such
              judgment, decree or order unsatisfied and in effect for any 
              period of 30 consecutive days without a stay of execution; or

         (h)  A default under any bond, debenture, note or other evidence of 
              indebtedness of the Borrower owed to any Person other than the 
              Lender, or under any indenture or other instrument under which 
              any such evidence of indebtedness has been issued or by which 
              it is governed, or under any lease of any of the Premises, and 
              the expiration of the applicable period of grace, if any, 
              specified in such evidence of indebtedness, indenture, other
              instrument or lease; or 

         (i)  An event of default shall occur under any Security Document or 
              under any other security agreement, mortgage, deed of trust, 
              assignment or other instrument or agreement securing any 
              obligations of the Borrower hereunder or under any note; or

         (j)  The Borrower shall liquidate, dissolve, terminate or suspend 
              its business operations or otherwise fail to operate its 
              business in the ordinary course, or sell all or substantially 
              all of its assets, without the prior written consent of the 
              Lender; or

         (k)  The Borrower shall fail to pay, withhold, collect or remit any 
              tax or tax deficiency when assessed or due (other than any tax 
              deficiency which is being contested in good faith and by proper
              proceedings and for which it shall have set aside on its books
              adequate reserves therefor) or notice of any state or federal 
              tax liens shall be filed or issued; or

         (l)  Default in the payment of any amount owed by the Borrower to 
              the Lender other than any indebtedness arising hereunder.

                                   28
<PAGE>

     Section 8.2  Rights and Remedies.  Upon the occurrence of an Event of 
                  -------------------
Default or at any time thereafter, the Lender may exercise any or all of the 
following rights and remedies:

         (a)  The Lender may, by notice to the Borrower, declare the Credit 
              Facility to be terminated, whereupon the same shall forthwith 
              terminate;

         (b)  The Lender may, by notice to the Borrower, declare to be 
              forthwith due and payable the entire unpaid principal amount of
              the Note then outstanding, all interest accrued and unpaid 
              thereon, all amounts payable under this Agreement and any other
              Obligations, whereupon the Note, all such accrued interest and 
              all such amounts and Obligations shall become and be forthwith 
              due and payable, without presentment, notice of dishonor, 
              protest or further notice of any kind, all of which are hereby 
              expressly waived by the Borrower;

         (c)  The Lender may, without notice to the Borrower and without 
              further action, apply any and all money owing by the Lender to 
              the Borrower to the payment of the Advances, including interest
              accrued thereon, and of all other sums then owing by the
              Borrower hereunder;

         (d)  The Lender may, exercise and enforce any and all rights and 
              remedies available upon default to a secured party under the 
              UCC, including, without limitation, the right to take 
              possession of Collateral, or any evidence thereof, proceeding 
              without judicial process or by judicial process (without a 
              prior hearing or notice thereof, which the Borrower hereby
              expressly waives) and the right to sell, lease or otherwise 
              dispose of any or all of the Collateral, and, in connection 
              therewith, the Borrower will on demand assemble the Collateral 
              and make it available to the Lender at a place to be designated
              by the Lender which is reasonably convenient to both parties;

         (e)  the Lender may exercise and enforce its rights and remedies 
              under the Loan Documents; and 

         (f)  the Lender may exercise any other rights and remedies available
              to it by law or agreement.

Notwithstanding the foregoing, upon the occurrence of an Event of Default 
described in Section 8.1(e) hereof, the entire unpaid principal amount of the
Note, all interest accrued and unpaid thereon, all other amounts payable 
under this Agreement (including amounts to be deposited pursuant to Section 
8.2(c)), and any other Obligations shall be immediately due and payable
automatically without presentment, demand, protest or notice of any kind.

     Section 8.3  Certain Notices.  If notice to the Borrower of any intended 
                  ---------------
disposition of Collateral or any other intended action is required by law in 
a particular instance, such notice shall be deemed commercially reasonable if

                                   29
<PAGE>

given (in the manner specified in Section 9.3) at least ten calendar days 
prior to the date of intended disposition or other action.


                            ARTICLE IX

                          Miscellaneous
                          -------------
     Section 9.1  No Waiver; Cumulative Remedies.  No failure or delay on the
                  ------------------------------
part of the Lender in exercising any right, power or remedy under the Loan 
Documents shall operate as a waiver thereof; nor shall any single or partial 
exercise of any such right, power or remedy preclude any other or further 
exercise thereof or the exercise of any other right, power or remedy under 
the Loan Documents.  The remedies provided in the Loan Documents are 
cumulative and not exclusive of any remedies provided by law.

     Section 9.2  Amendments, Etc.  No amendment, modification, termination 
                  ---------------
or waiver of any provision of any Loan Document or consent to any departure 
by the Borrower therefrom or any release of a Security Interest shall be 
effective unless the same shall be in writing and signed by the Lender, and 
then such waiver or consent shall be effective only in the specific instance 
and for the specific purpose for which given.  No notice to or demand on the 
Borrower in any case shall entitle the Borrower to any other or further 
notice or demand in similar or other circumstances.

     Section 9.3  Addresses for Notices, Etc.  Except as otherwise expressly 
provided herein, all notices, requests, demands and other communications 
provided for under the Loan Documents shall be in writing and shall be (a) 
personally delivered, (b) sent by first class United States mail, (c) sent by
overnight courier of national reputation, or (d) transmitted by telecopy, in
each case addressed to the party to whom notice is being given at its address
as set forth below and, if telecopied, transmitted to that party at its 
telecopier number set forth below:

          If to the Borrower:

          Service Business Systems, Inc.
          11415 West I-70 Frontage Road North
          Wheat Ridge, Colorado  80033
          Telecopier:  (303) 431-5668
          Attention:   Richard S. Simms










                                   30
<PAGE>

          If to the Lender:

          Norwest Business Credit, Inc.
          1740 Broadway
          Denver, Colorado  80274-8625
          Telecopier: (303) 863-4904
          Attention:  Debra Tracy

or, as to each party, at such other address or telecopier number as may 
hereafter be designated by such party in a written notice to the other party 
complying as to delivery with the terms of this Section.  All such notices, 
requests, demands and other communications shall be deemed to have been given
on (a) the date received if personally delivered, (b) when deposited in the 
mail if delivered by mail, (c) the date sent if sent by overnight courier, or
(d) the date of transmission if delivered by telecopy, except that notices or
requests to the Lender pursuant to any of the provisions of Article II hereof
shall not be effective until received by the Lender.

     Section 9.4  Financing Statement.  A carbon, photographic or other 
                  -------------------
reproduction of this Agreement or of any financing statements signed by the 
Borrower is sufficient as a financing statement and may be filed as a 
financing statement in any state to perfect the security interests
granted hereby.  For this purpose, the following information is set forth:

     Name and address of Debtor:

     Service Business Systems, Inc.
     11415 West I-70 Frontage Road North
     Wheat Ridge, Colorado  80033
     Federal Tax Identification No. 84-1100884


     Name and address of Secured Party:

     Norwest Business Credit, Inc.
     1740 Broadway
     Denver, Colorado  80274-8625

     Section 9.5  Further Documents.  The Borrower will from time to time 
                  -----------------
execute and deliver or endorse any and all instruments, documents, 
conveyances, assignments, security agreements, financing statements and other
agreements and writings that the Lender may reasonably request in order to 
secure, protect, perfect or enforce the Security Interests or the rights of 
the Lender under this Agreement (but any failure to request or assure that 
the Borrower executes, delivers or endorses any such item shall not affect or
impair the validity, sufficiency or enforceability of this Agreement and the 
Security Interests, regardless of whether any such item was or was not 
executed, delivered or endorsed in a similar context or on a prior occasion).

                                   31
<PAGE>

     Section 9.6  Collateral.  This Agreement does not contemplate a sale of 
                  ----------
accounts, contract rights or chattel paper, and, as provided by law, the 
Borrower is entitled to any surplus and shall remain liable for any 
deficiency.  The Lender's duty of care with respect to Collateral in its
possession (as imposed by law) shall be deemed fulfilled if it exercises 
reasonable care in physically keeping such Collateral, or in the case of 
Collateral in the custody or possession of a bailee or other third person, 
exercises reasonable care in the selection of the bailee or other third 
person, and the Lender need not otherwise preserve, protect, insure or care 
for any Collateral.  The Lender shall not be obligated to preserve any rights
the Borrower may have against prior parties, to realize on the Collateral at 
all or in any particular manner or order or to apply any cash proceeds of the
Collateral in any particular order of application.

     Section 9.7  Costs and Expenses.  The Borrower agrees to pay on demand 
all costs and expenses, including (without limitation) attorneys' fees, 
reasonably incurred by the Lender in connection with the Obligations, this 
Agreement, the Loan Documents and any other document or agreement related 
hereto or thereto, and the transactions contemplated hereby, including without
limitation all such costs, expenses and fees incurred in connection with the 
negotiation, preparation, execution, amendment, administration, performance, 
collection and enforcement of the Obligations and all such documents and 
agreements and the creation, perfection, protection, satisfaction, 
foreclosure or enforcement of the Security Interests.

     Section 9.8  Indemnity.  In addition to the payment of expenses pursuant 
                  ---------
to Section 9.7 hereof and the environmental indemnity pursuant to Section 6.4 
hereof, the Borrower agrees to indemnify, defend and hold harmless the 
Lender, and any of its participants, parent corporations, subsidiary 
corporations, affiliated corporations, successor corporations, and all 
present and future officers, directors, employees and agents of the foregoing
(the "Indemnitees"), from and against (i) any and all transfer taxes, 
documentary taxes, assessments or charges made by any governmental authority 
by reason of the execution and delivery of this Agreement and the other Loan 
Documents or the making of the Advances, and (ii) any and all liabilities, 
losses, damages, penalties, judgments, suits, claims, costs and expenses of 
any kind or nature whatsoever (including, without limitation, the reasonable 
fees and disbursements of counsel) in connection with any investigative,
administrative or judicial proceedings, whether or not such Indemnitee shall 
be designated a party thereto, which may be imposed on, incurred by or 
asserted against such Indemnitee, in any manner relating to or arising out of
or in connection with the making of the Advances, this Agreement and all 
other Loan Documents or the use or intended use of the proceeds of the 
Advances (the "Indemnified Liabilities").  If any investigative, judicial or 
administrative proceeding arising from any of the foregoing is brought 
against any Indemnitee, upon request of such Indemnitee, the Borrower, or 
counsel designated by the Borrower and satisfactory to the Indemnitee, will 
resist and defend such action, suit or proceeding to the extent and in the 
manner directed by the Indemnitee, at the Borrower's sole cost and expense.  
Each Indemnitee will use its best efforts to cooperate in the defense of any 
such action, suit or proceeding.  If the foregoing undertaking to indemnify,
defend and hold harmless may be held to be unenforceable because it violates 
any law or public policy, the Borrower shall nevertheless make the maximum 
contribution to the payment and satisfaction of each of the Indemnified 

                                  32
<PAGE>

Liabilities which is permissible under applicable law.  The obligation of the
Borrower under this Section 9.8 shall survive the termination of this 
Agreement and the discharge of the Borrower's other Obligations.

     Section 9.9  Participants.  The Lender and its participants, if any, are 
                  ------------
not partners or joint venturers, and the Lender shall not have any liability 
or responsibility for any obligation, act or omission of any of its 
participants.  All rights and powers specifically conferred upon the Lender
may be transferred or delegated to any of the participants, successors or 
assigns of the Lender.  

     Section 9.10  Execution in Counterparts.  This Agreement and other Loan 
                   -------------------------
Documents may be executed in any number of counterparts, each of which when 
so executed and delivered shall be deemed to be an original and all of which 
counterparts, taken together, shall constitute but one and the same 
instrument.

     Section 9.11  Binding Effect; Assignment; Complete Agreement.  The Loan 
                   ----------------------------------------------
Documents shall be binding upon and inure to the benefit of the Borrower and 
the Lender and their respective successors and assigns, except that the 
Borrower shall not have the right to assign its rights thereunder or any 
interest therein without the prior written consent of the Lender.  This 
Agreement, together with the Loan Documents, comprises the complete and 
integrated agreement of the parties on the subject matter hereof and 
supersedes all prior agreements, written or oral, on the subject matter 
hereof.

     Section 9.12  Governing Law; Jurisdiction, Venue; Waiver of Jury Trial. 
                   --------------------------------------------------------
The Loan Documents shall be governed by and construed in accordance with the 
substantive laws (other than conflict laws) of the State of Colorado.  Each 
party consents to the personal jurisdiction of the state and federal courts 
located in the State of Colorado in connection with any controversy related 
to this Agreement, waives any argument that venue in any such forum is not 
convenient and agrees that any litigation initiated by any of them in 
connection with this Agreement shall be venued in either the District Court 
of the City and County of Denver, Colorado, or the United States District 
Court, District of Colorado.  The parties waive any right to trial by jury 
in any action or proceeding based on or pertaining to this Agreement.  

     Section 9.13  Severability of Provisions.  Any provision of this 
                   --------------------------
Agreement which is prohibited or unenforceable shall be ineffective to the 
extent of such prohibition or unenforceability without invalidating the 
remaining provisions hereof.

     Section 9.14  Headings.  Article and Section headings in this Agreement 
                   --------
are included herein for convenience of reference only and shall not 
constitute a part of this Agreement for any other purpose.

                                   33
<PAGE>

         IN WITNESS WHEREOF, the parties hereto have caused this Agreement to 
be executed by their respective officers thereunto duly authorized as of the 
date first above written.


                                          SERVICE BUSINESS SYSTEMS, INC.


BY(Signature)                             /s/Donald V. Warriner
(Name and Title)                          Donald V. Warriner,
                                          President and CEO

                                          NORWEST BUSINESS CREDIT, INC.


BY(Signature)                             /s/Greg Glessman
(Name and Title)                          Greg Glessman,
                                          Vice President


















                                   34
<PAGE>
            Exhibit A to Credit and Security Agreement

                          REVOLVING NOTE

$500,000                                                      Denver, Colorado
                                                               January 3, 1997

     For value received, the undersigned, Service Business Systems, Inc., a 
Colorado corporation (the "Borrower"), hereby promises to pay on December 31,
1998 to the order of Norwest Business Credit, Inc., a Minnesota corporation 
(the "Lender"), at its main office in Minneapolis, Minnesota, or at any other
place designated at any time by the holder hereof, in lawful money of the
United States of America and in immediately available funds, the principal 
sum of Five Hundred Thousand and No/100 Dollars ($500,000) or, if less, the 
aggregate unpaid principal amount of all advances made by the Lender to the 
Borrower hereunder, together with interest on the principal amount hereunder 
remaining unpaid from time to time, computed on the basis of the actual 
number of days elapsed and a 360-day year, from the date hereof until this 
Note is fully paid at the rate from time to time in effect under the Credit 
and Security Agreement of even date herewith (the "Credit Agreement") by and 
between the Lender and the Borrower.  The principal hereof and interest
accruing thereon shall be due and payable as provided in the Credit 
Agreement.  This Note may be prepaid only in accordance with the Credit 
Agreement.

     This Note is issued pursuant, and is subject, to the Credit Agreement, 
which provides, among other things, for acceleration hereof.  This Note is 
the Note referred to in the Credit Agreement.

     This Note is secured, among other things, pursuant to the Credit 
Agreement and the Security Documents as therein defined, and may now or 
hereafter be secured by one or more other security agreements, mortgages, 
deeds of trust, assignments or other instruments or agreements.

     The Borrower hereby agrees to pay all costs of collection, including 
attorneys' fees and legal expenses in the event this Note is not paid when 
due, whether or not legal proceedings are commenced.

      Presentment or other demand for payment, notice of dishonor and 
protest are expressly waived.

                                           SERVICE BUSINESS SYSTEMS, INC.

BY(Signature)                              /s/
(Name and Title)                           


                                   35
<PAGE>

            Exhibit B to Credit and Security Agreement

                              Names
                              -----
                  Service Business Systems, Inc.
            Service Business Systems of Colorado, Inc.

        Chief Executive Office/Principal Place of Business
        --------------------------------------------------
               11415 West I-70 Frontage Road North
                  Wheat Ridge, Colorado  80033

                         Other Locations
                         ---------------
     Creative Business
     1001 S. Galapago Street
     Denver, CO  80223

     BEI Graphics
     3550 Frontier Avenue
     Boulder, CO  80301

     American Stamping
     P.O. Box 203
     Englewood, CO  80151

     Precision Graphics
     2021 S. Platte River Drive
     Denver, CO  80223

     National Self Storage
     8845 North I-70 Frontage Road
     Arvada, CO  80002

                           Subsidiaries
                           ------------

                               None










                                   36
<PAGE>

             Exhibit C to Credit and Security Agreement



           Permitted Liens, Indebtedness and Guaranties
           --------------------------------------------

                           SEE ATTACHED

































                                   1
<PAGE>

            Exhibit D to Credit and Security Agreement

                      Compliance Certificate
                      ----------------------

     In accordance with our Credit and Security Agreement dated as of January 
3, 1997 (the "Credit Agreement"), attached are the financial statements of 
_________________ (the "Borrower") as of and for the month and year-to-date 
period ended ______________ __, 199_ (the"Current Financials").

     I certify that the Current Financials have been prepared in accordance 
with generally accepted accounting principles applied on a basis consistent 
with the accounting practices reflected in the financial statements referred 
to in Section 5.5 of the Credit Agreement, subject to year-end audit 
adjustments.

Defaults and Events of Default (check one)
- ------------------------------------------

          I have no knowledge of the occurrence of any Default or Event of 
          Default under the Credit Agreement which has not previously been 
          reported to you and remedied.

          Attached is a detailed description of all Defaults and Events of 
          Default of which I have knowledge and which have not previously 
          been reported to you and remedied.

     For the date and periods covered by the Current Financials, the Borrower
is in compliance with the covenants set forth in Sections 6.12 through 6.14 
and 7.10 of the Credit Agreement, except as indicated below.  The 
calculations made to determine compliance are as follows:
<TABLE>
<CAPTION>
       Covenant                          Actual            Requirement
       --------                          ------            -----------
      <S>      <C>
       6.12)    (Maximum Loss)

       6.13)    (Earnings)

       7.10)    (Capital Expenditures)
</TABLE>



BY(Signature)                             /s/
(Name and Title)                          Chief Financial Officer of 
                                          Service Business Systems, Inc.


                                   1
<PAGE>

               Exhibit E to Credit and Security Agreement


                             Premises
                             --------
     The Premises referred to in the Credit and Security Agreement are 
described as follows:


                    11415 West I-70 Frontage Road North
                    Wheat Ridge, CO 80033
































                                  1

<PAGE>

                   COLLATERAL ACCOUNT AGREEMENT

                         January 3, 1997


Norwest Business Credit, Inc.
1740 Broadway
Denver, Colorado 80274-8625

Re:  Account No. 312-8003425 maintained by Norwest Bank Colorado, N.A. (the 
"Bank")

Ladies and Gentlemen:

          SERVICE BUSINESS SYSTEMS, INC., a Colorado corporation (the 
"Client"), and the Bank are writing to confirm that they have agreed as 
follows:

      1.  The Client will deposit in the referenced Account (the "Collateral 
Account") all collections of receivables and other cash proceeds of the 
collateral security granted to Norwest Business Credit, Inc., a Minnesota 
corporation (the "Lender").

      2.  The Collateral Account will be operated and maintained exclusively 
for the Lender's benefit.  The Client shall have no right to make or 
countermand withdrawals from the Collateral Account.

      3.  The Client hereby pledges to and grants the Lender a security 
interest in all funds on deposit in the Collateral Account from time to time 
and all proceeds thereof, to secure payment of all of the Client's 
obligations to the Lender whether now existing or hereafter arising.

      4.  After allowing two days for collection of items deposited in the 
Collateral Account, the Client shall instruct the Bank to transmit good funds
in the amount of the deposit to Norwest Bank Minnesota, National Association,
ABA No. 091000019, for the Lender's account, account no. 635-5010459.

      5.  If any item deposited in the Collateral Account is returned unpaid,
the Bank will so notify the Client.

      6.  The Client hereby grants the Bank the right to charge its general 
operating account, account no. 312-8003409 maintained by the Client with the 
Bank for any item deposited in the Collateral Account which is returned 
<PAGE>

unpaid.  The Bank, however, shall have no right to charge or offset amounts 
in the Collateral Account for items returned unpaid.  Without limiting the
generality of the foregoing, the Bank hereby waives any right of setoff it 
may have with respect to the Collateral Account.

     This Agreement shall be governed by and construed in accordance with the
substantive laws (other than conflict laws) of the State of Colorado.  Each 
party consents to the personal jurisdiction of the state and federal courts 
located in the State of Colorado in connection with any controversy related 
to this Agreement, waives any argument that venue in any such forum is not 
convenient, and agrees that any litigation initiated by any of them in 
connection with this Agreement shall be venued in either the Colorado state 
courts of general jurisdiction located in the City and County of Denver, 
Colorado, or the United States District Court, District of Colorado.  The
parties waive any right to trial by jury in any action or proceeding based 
on or pertaining to this Agreement.  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.

     The Client may not terminate this Agreement without obtaining the 
Lender's prior written consent.  The Bank may not terminate this Agreement 
without 60 days' prior written notice  to the Lender.  The Lender may 
terminate this Agreement at any time, with or without cause.

          This Agreement shall be enforceable against the Client and the Bank 
by the Lender and the Lender's participants, successors and assigns.  The 
Client and the Bank waive notice of the Lender's acceptance hereof.

                                         SERVICE BUSINESS SYSTEMS, INC.

BY(Signature)                            /s/Donald V. Warriner
(Name and Title)                         Donald V. Warriner,
                                         President and CEO

                                         NORWEST BANK COLORADO, N.A.

BY(Signature)                            /s/Frank L. Cummings
(Name and Title)                         Frank L. Cummings                  
                                         AVP
                                   2
<PAGE>

Accepted:

NORWEST BUSINESS CREDIT, INC.

BY(Signature)                           /s/Greg Glessman
(Name and (Title)                       Greg Glessman
                                        Vice President





























                                  3

<PAGE>


                 AGREEMENT AS TO LOCKBOX SERVICE


     This Agreement is made as of the 3rd day of January, 1997, by and among 
SERVICE BUSINESS SYSTEMS, INC., a Colorado corporation (the "Customer"), 
NORWEST BUSINESS CREDIT, INC., a Minnesota corporation (the "Secured Party"),
and NORWEST BANK COLORADO, N.A., a national association ("Norwest").

     The Secured Party has required the execution of this Agreement as a 
condition to the Secured Party's consideration of making any advances to the 
Customer under the terms of the Credit and Security Agreement dated as of 
January 3, 1997, by and between the Customer and the Secured Party.

     NOW, THEREFORE, in consideration of the premises and of the mutual 
covenants and agreements hereinafter contained, the parties agree as follows:

      I .      Definitions.
               -----------
     "Collateral" means all of the Customer's equipment, inventory, accounts,
     instruments, chattel paper, other rights to payment, money and general 
     intangibles, now or hereafter acquired, together with all products and 
     proceeds thereof.

     "Collateral Account" means Norwest account no. 312-8003425 maintained 
     for the benefit of the Secured Party pursuant to the terms of the 
     Collateral Account Agreement dated as of January 3, 1997, given to the 
     Secured Party by the Customer and Norwest.

     "Lockbox" means the lockbox to be administered by Norwest for the 
     benefit of the Secured Party, to which the Customer shall direct its 
     account debtors and other persons obligated to make payments 
     constituting Collateral to make such payments.

      2.       Notification to Account Debtors.  The address of the Lockbox 
               -------------------------------
shall be as follows:

          Service Business Systems, Inc..
          Department 703
          Denver, Colorado  80291-0703

Immediately upon the execution of this Agreement, and as Collateral is 
generated in the future, the Customer shall give written notification to all 
persons obligated to make payments constituting Collateral, directing them to
make such payments to the address of the Lockbox.  The Customer shall not 
revoke or rescind any such notification and shall not take any action 
inconsistent with this Agreement.  The Customer agrees to deposit any and all
collections of accounts receivable and any and all other proceeds of 
Collateral received directly by it in the Collateral Account.

<PAGE>
     3 .  Control of Lockbox.  The Lockbox shall be under the sole and 
          ------------------
exclusive control of the Secured Party.  All items in the Lockbox shall 
constitute proceeds of Collateral upon their deposit therein.

     4.   Processing Contents of Lockbox.  Each business day, Norwest or its 
          ------------------------------
authorized designees shall remove the contents of the Lockbox and process 
items in the Lockbox in accordance with Exhibit A hereto.

     5.   Depositing Checks to the Collateral Account.  For all processed 
          -------------------------------------------
checks, other than those with respect to which Paragraph 4 provides a 
difference procedure, the Customer authorizes Norwest to endorse the checks 
and to deposit them to the Collateral Account on the business day of receipt.

     6.   Limitation of Liability.  Norwest's and the Secured Party's 
          -----------------------
liability in connection with the performance of the transactions covered by 
this Agreement shall be strictly limited as follows:

      (a)   Norwest shall exercise due care in selecting agents and 
independent contractors to pick up and deliver the contents of the Lockbox 
("Norwest's Designees") but shall not be liable for loss caused by Norwest's 
Designees' negligence or misconduct.  In the event of such loss, Norwest
will exercise its best efforts, at the Customer's cost and expense, to assist
the Customer in obtaining redress from the responsible party.

      (b)   Norwest shall exercise its best efforts in determining the 
optimum time to pick up mail at the Lockbox and the best carrier to deliver 
that mail to its Operations Center.  However, Norwest shall not be liable if 
the chosen pickup time and carrier prove not to result in the earliest
possible availability of funds.

      (c)   In performing its duties hereunder, Norwest will exercise 
ordinary care and will act in good faith.  Norwest will not be accountable 
for its failure to perform any of its obligations hereunder, except for its 
gross negligence or willful misconduct, or that of its employees, officers,
or agents.  If, as a result of such gross negligence or willful misconduct, 
Norwest is liable for mishandling any item, such liability shall be limited 
to the lesser of the face amount of any check involved or the amount of the 
Customer's direct loss as a result of such mishandling, and in no event
shall Norwest be responsible for any incidental or consequential damages.  
IN NO EVENT SHALL NORWEST BE LIABLE FOR ANY INDIRECT OR
CONSEQUENTIAL DAMAGES
OR LOSS OF PROFIT, NOTWITHSTANDING NOTICE TO NORWEST OF THE
POSSIBILITY OF 
SUCH DAMAGES OR LOSSES.

      (d)   Neither the Secured Party nor its present, former or future 
shareholders, directors, officers, employees, agents, attorneys, 
predecessors, successors, divisions, parent, subsidiaries, affiliates, 
participants and assigns (together with the Secured Party, collectively the 
"Indemnitees") shall be liable for, and the Customer hereby assumes full 
responsibility for and agrees to indemnify and hold harmless the Indemnitees 
from and against, any and all of the Customer's or any other person's losses,
liabilities, damages, claims, demands, causes of action, lawsuits, judgments,

                                  2
<PAGE>

costs and expenses (including without limitation attorneys' fees) relating in
any way to this Agreement.  The foregoing indemnification agreement shall 
survive the termination of this Agreement, the closing of the Lockbox and 
the payment of the Customer's indebtedness to the Secured Party.  IN NO EVENT
SHALL THE SECURED PARTY BE LIABLE FOR ANY INDIRECT OR CONSEQUENTIAL
DAMAGES 
OR LOSS OF PROFIT, NOTWITHSTANDING NOTICE TO THE SECURED PARTY OF THE 
POSSIBILITY OF SUCH DAMAGES OR LOSSES.

      7.  Fees.  For the services to be provided by Norwest, the Customer 
          ----
will pay Norwest in accordance with Norwest's standard rates for the services
contemplated hereby as set forth on such fee schedules as Norwest may from 
time to time deliver to the Customer.

      8.  Term and Termination.  This Agreement shall be effective when a 
          --------------------
copy of the Agreement executed by all parties has been delivered to Norwest.  
The Customer may not terminate this Agreement without the written consent of 
the Secured Party and 30 days' written notice to Norwest.  The Secured Party 
may terminate this Agreement at any time, with or without cause, upon 30 
days' written notice to the other parties.  Norwest may terminate this 
Agreement at any time, with or without cause, upon 30 days' written notice to
the Customer and the Secured Party.  Norwest may terminate this Agreement 
immediately upon written notice to the Customer and the Secured Party
if it in good faith believes that it is at significant risk of loss by 
continuing its obligations under this Agreement.

      9.  Notice.  Any notice required or permitted by this Agreement shall 
          ------
be deemed to have been given when mailed, postage prepaid, or when delivered 
to the following address:

     If to Norwest:

     Norwest Bank Colorado, N. A.
     12601 West 32nd Avenue
     Wheat Ridge, Colorado  80033-5252
     Attention:  Fran Cummings                                                

     If to the Customer:

     Service Business Systems
     11415 West I-70 Frontage Road North
     Wheat Ridge, CO 80033
     Attention:  Richard S. Simms



                                   3
<PAGE>

               If to the Secured Party:

               Norwest Business Credit, Inc.
               1740 Broadway
               Denver, Colorado  80274-8625
               Attention:  Debra Tracy

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

                                          NORWEST BANK COLORADO, N.A. 
         
BY(Signature)                             /s/Frank L. Cummings
(Name and Title)                          Frank L. Cummings,
                                          AVP

                                          NORWEST BUSINESS CREDIT, INC.

BY(Signature)                             /s/Greg Glessman
(Name and Title)                          Greg Glessman,
                                          Vice President

                                          SERVICE BUSINESS SYSTEMS, INC..

BY(Signature)                             /s/Donald V. Warriner
(Name and Title)                          Donald V. Warriner,
                                          President and CEO












                                   4

<PAGE>


                LANDLORD'S DISCLAIMER AND CONSENT

          To induce Norwest Business Credit, Inc. (the "Lender"), to make one
or more loans to Service Business Systems of Colorado, Inc. (the "Borrower"),
secured by the Borrower's property, including the Borrower's property located
at the Premises (as defined below) which is leased by Data National 
Corporation, the corporate parent of Borrower (the "Lessee"), pursuant to the
Lease (as defined below), and for other good and valuable consideration, the 
undersigned hereby certifies and agrees for the benefit of the Lender, its 
participants, successors and assigns, as follows:

          
           1.       The undersigned owns certain premises located in Jefferson
County, described in Exhibit A attached hereto (the "Premises") and has leased
the Premises to the Lessee pursuant to a lease (the "Lease"), a true, correct 
and complete copy of which is attached hereto as Exhibit B.

           2.       The Lease is in full force and effect and the Lessee is 
not in default of any provision of the Lease.

           3.       The undersigned does not own, and hereby releases and 
disclaims, any interest in any goods (whether in the nature of inventory or 
equipment and specifically including any fixtures and tenant improvements) 
which the Borrower or the Lessee has previously placed or installed or may 
hereafter place or install upon the Premises.

           4.       The undersigned hereby (i) agrees to recognize the right 
of possession granted to the Lender by the Borrower pursuant to that certain 
Credit and Security Agreement by and between the Borrower and the Lender 
dated as of _____________, 1997, as amended from time to time; (ii) 
acknowledges that the Lender shall have no duty, obligation or liability 
whatsoever for rent or otherwise with respect to the possession, occupancy or
use of the Premises, even if the Lender has taken possession of the Premises 
or has, on a previous occasion, paid rent or performed any obligation under 
any lease of the Premises; except if the Lender takes possession of or 
occupies the Premises, the Lender shall pay the undersigned rent for the same
base rental rate which the Lessee would have been obligated to pay for the 
period during which the Lender has possession of or occupies the Premises; 
(iii) reserves in all respects the right to cancel or terminate the Lease, 
for nonpayment of rent or otherwise, whether or not the Lender is in 
possession of the Premises, but, notwithstanding any such cancellation or 
termination, the Lender shall continue to have the right to the possession, 
occupancy and use of the Premises for purposes of holding, processing,
manufacturing, selling, using, storing, liquidating, realizing upon or 
otherwise disposing of the Lender's collateral, and for related and 
incidental purposes, for up to 105 days from the date of notice of such 
cancellation or termination, given pursuant to clause (v) of this paragraph 
4; (iv) agrees to give the Lender notice of any breach of the Lease by the 
Lessee or the Borrower, at the same time as the undersigned shall give 
notice of such breach to the Lessee or to the Borrower, of any legal action 
which the undersigned may commence to evict the Lessee or the Borrower from 
the Premises or to terminate or limit the Lessee's or the Borrower's right to
use, possess or lease the Premises, promptly upon the commencement of any 
such action, and of any change in the ownership of the Premises and the name 
and address of each new owner of the Premises, at least 15 days prior

<PAGE>

to any such change in ownership; and (v) agrees not to cancel the Lease 
without first giving the Lender at least 15 days' prior written notice of 
such cancellation, stating the grounds for cancellation or termination.  All 
notices to the Lender shall be deemed given three days after being sent by 
first class United States mail, postage prepaid, addressed to the Lender at 
Norwest Business Credit, Inc.; Attention:  Debbie Tracy; 1740 Broadway; 
Denver, Colorado  80274-8625.

           5.       This Disclaimer and Consent shall be governed by and 
construed in accordance with the substantive laws (other than conflict laws) 
of the State of Colorado.  The parties waive any right to trial by jury in 
any action or proceeding based on or pertaining to this Disclaimer and 
Consent.  This Disclaimer and Consent may be executed in any number of 
counterparts, each of which shall be an original, but all of which together 
shall constitute one instrument.  No failure on the part of the Lender to 
exercise, and no delay in exercising any right, power or remedy hereunder 
shall operate as a waiver of such right, power or remedy; nor shall any 
single or partial exercise of any right, power or remedy hereunder preclude 
any other or further exercise of such right, power or remedy or the exercise 
of any other right, power or remedy.  This Disclaimer and Consent expresses 
completely, exclusively and finally all the agreements, conditions and 
covenants of the parties and does not need evidence (written or oral) of 
prior, contemporaneous or subsequent statements or representations (express 
or implied) to reflect the intentions of the parties.  This Disclaimer and 
Consent may not be supplemented or modified except in writing.  This 
Disclaimer and Consent inures to the benefit of the Lender and binds the 
undersigned, and their respective successors and assigns.  This does not 
imply a commitment to lend and shall be binding as long as any obligations of
the Borrower to the Lender remain outstanding or are subject to recoupment.

Dated:  December 26, 1996.
                                H.K. BUILDINGS


BY(Signature)                   /s/Harold Kunz
(Name and Title)                Harold Kunz, Owner

STATE OF Colorado  )
                   )
COUNTY OF Jefferson)

     The foregoing instrument was acknowledged before me this 26th day of 
December, 1996, by Harold Kunz, the owner of the HK building, a sole
proprietorship, on behalf of the owner.

BY(Signature)                    /s/ D. J. Hayes
                                 Notary Public


                                   2
<PAGE>
                      LESSEE ACKNOWLEDGMENT

     The Lessee hereby acknowledges that the Borrower occupies the Premises 
with the Lessee's permission.  The Lessee does not own, and hereby releases 
and disclaims, any interest in any goods (whether in the nature of inventory 
or equipment and specifically including any fixtures and tenant improvements)
which the Borrower has previously placed or installed or may hereafter place 
or install upon the Premises.  The Lessee hereby (1) agrees to recognize the 
right of possession granted to the Lender by the Borrower pursuant to that 
certain Credit and Security Agreement by and between the Borrower and the 
Lender dated as of January 3, 1997, as amended from time to time and agrees 
that, regardless of any obligations of the Borrower to pay rent to the 
Lessee, for the Borrower's occupation of the Premises, the Lender shall have 
the right to occupy the Premises without any payment of rent and without 
curing any defaults of the Borrower; and (ii) agrees to give the Lender 
notice of any breach of the Lease by the Lessee or the Borrower, at the same 
time as the Lessee receives notice of such breach or of any legal action 
which H.K. Buildings may commence to evict the Lessee or the Borrower from 
the Premises or to terminate or limit the Lessee's or the Borrower's right to
use, possess or lease the Premises, promptly upon the receipt of notice of 
the commencement of any such action, and, upon receipt of notice, of any 
change in the ownership of the Premises and the name and address of each new 
owner of the Premises.

Dated:  January 3, 1997

                                DATA NATIONAL CORPORATION

BY(Signature)                   /s/Richard S. Simms
(Name and Title)                Richard S. Simms, Vice President

STATE OF Colorado   )
                    )
COUNTY OF Jefferson )

          The foregoing instrument was acknowledged before me this 26th day 
of December, 1996, by Richard S. Simms, the Vice President of Data National
Corporation, a Colorado corporation, on behalf of the _______________.

BY(Signature)                              /s/ Jacqueline A Brabo
                                           Notary Public

                                   3
<PAGE>

                             EXHIBIT A
                                TO
                LANDLORD'S DISCLAIMER AND CONSENT

     The Premises described in the referenced document are located in 
Jefferson County, and are described as follows:


               that certain real property situated in the County of 
               Jefferson, State of Colorado, commonly known as 
               11415 W. I-70 Frontage Road North, Wheat Ridge, 
               Colorado  80033 and described as approximately 7,680 
               sq. ft. of office warehouse and 925 sq. ft. of dock 
               and cold storage which constitutes 67% of the building 
               not including the dock area.

























                                  4
<PAGE>

                             EXHIBIT B
                                TO
                  LANDLORD'S DISCLAIMER AND CONSENT



                         [COPY OF LEASE]

































                                   5

<PAGE>

                        SUPPORT AGREEMENT


    This SUPPORT AGREEMENT ("Agreement") is made as of the 3rd day of 
January, 1997, among Richard S. Simms (hereinafter referred to as the 
"undersigned"), Service Business Systems, Inc., a Colorado corporation 
(the "Borrower"), and Norwest Business Credit, Inc. (hereinafter
referred to as "NBCI").


                           WITNESSETH:

    WHEREAS, NBCI and Borrower have entered into that certain Credit and 
Security Agreement ("Credit Agreement") dated as of January 3, 1997, pursuant
to which NBCI may, from time to time, at its discretion, make advances to or 
for the benefit of Borrower;

      WHEREAS, the undersigned is the duly elected, qualified and acting 
Chief Financial Officer of the Borrower and is fully familiar with all of 
the Borrower's business and financial affairs;

      NOW, THEREFORE, to induce NBCI to make advances to or for the account 
of the Borrower under the Credit Agreement and for other good and valuable 
consideration, the receipt and sufficiency of which are hereby acknowledged, 
the undersigned, the Borrower and NBCI agree as follows:

     1.    The undersigned agrees that in the event (i) NBCI comes into 
possession of any or all of the tangible Collateral (as such term is defined 
in the Credit Agreement) or is collecting the Borrower's accounts receivable 
or otherwise disposing of Collateral by reason of the occurrence of an Event 
of Default under the Security Documents (as defined in Credit Agreement), 
(ii) NBCI has given notice of an acceleration of all of the obligations under
and an defined in the Security Agreement, and (iii) he is then in the employ 
of the Borrower, he will, if and at such time as he ceases to be employed by 
the Borrower, at NBCI's option and upon NBCI's request, and until this
Agreement shall have terminated as provided herein, enter NBCI's employ for 
a period not to exceed six months, for the sole purpose of disposing of such 
Collateral and collecting such accounts, or assisting NBCI in disposing of 
such Collateral and collecting such accounts.  During the period of such 
employment the undersigned shall exert his best efforts and devote 
approximately the same number of  hours as he devoted to the business of the 
Borrower prior to the commencement of such period to obtain sales of such 
Collateral at the best obtainable prices and terms and to collect such
accounts at their full face value.  If the events described in clauses (i) 
and (ii) occur at a time when the undersigned is employed by the Borrower, 
then, if requested by NBCI, Borrower shall cause the undersigned, so long as 
he is in its employ, to exert his best efforts and devote all of his regular
working hours to obtain sales of such Collateral at the best obtainable 
prices and terms and to collect such accounts at their full face value.

    2.   NBCI shall have the right to terminate the undersigned's employment 
or other assistance described in Paragraph 1 above at any time on five 
business days' notice, for any cause or without cause.

    3.   The sole compensation and remuneration of the undersigned for any 
employment or assistance rendered pursuant to Paragraph 1 above shall be a 
weekly salary paid at the same rate as the average salary (on a weekly basis)
paid to such person by Borrower in the twelve (12) months immediately 
preceding the commencement of such employment or activities.  Such 
compensation shall be prorated for partial weeks of service.

    4.   In connection with such employment, the undersigned shall not have 
any authority to bind NBCI, except such specific authority as NBCI may grant 
in writing.

    5.   In the event that the undersigned fails to comply with the 
provisions of Paragraph 1 above, unless such failure occurs as a result of 
death, mental or physical incapacity, or NBCI's termination of employment of 
the undersigned, the undersigned shall pay NBCI an amount equal to $25,000 
as liquidated damages, but not as a penalty, because of the difficulty of 
proving actual damages for the breach of premium of the type contained 
herein.  Such liquidated damages shall be immediately due and payable upon 
the failure by the undersigned to comply with the provisions of Paragraph 1 
above.  In addition, the undersigned shall be liable for NBCI's costs and 
expenses (including reasonable attorneys, fees and legal costs) incurred in 
enforcing this liquidated damages provision.  In no event, however, shall the
undersigned be liable for more than NBCI's actual damages, plus NBCI's costs 
of enforcement of this Agreement.  Notwithstanding the foregoing, the 
undersigned shall not have any obligation under this Paragraph 5 if he shall 
have ceased to be employed by the Borrower more than thirty (30) business 
days prior to the occurrence of the events described in clauses (i) add (ii) 
of Paragraph 1 hereof, and shall have given notice of such cessation
of employment to NBCI at least thirty (30) business days prior to the 
occurrence of such events.

    6.   In the event of the death, mental or physical incapacity, or 
termination by NBCI of employment of the undersigned, Borrower shall be 
responsible for obtaining a replacement for such person and Borrower shall 
use its best efforts to cause such replacement to execute a support
agreement substantially in the form of this Agreement.

    7.   This agreement shall remain in full force and effect so long as the 
Credit Agreement is outstanding or until otherwise agreed by an amendment 
hereto signed by NBCI and the undersigned.

                                   2
<PAGE>


    8.    The provisions of this Agreement are declared to be severable.  If 
any provision of this Agreement shall be held to be invalid, illegal or 
unenforceable, such invalidity, illegality or unenforceability shall not 
affect any other provisions of this Agreement.

    9.    The undersigned and the Borrower waive notice of NBCI's acceptance 
hereof.



                                         SERVICE BUSINESS SYSTEMS, INC.


BY(Signature)                            /s/Donald V. Warriner
(Name and Title)                         Donald V. Warriner,
                                         President and CEO




                                         NORWEST BUSINESS CREDIT, INC.


BY(Signature)                            /s/Greg Glessman
(Name and Title)                         Greg Glessman,
                                         Vice President


                                         DATA NATIONAL CORPORATION


BY(Signature)                            /s/Richard S. Simms
(Name and Title)                         Richard S. Simms,
                                         Vice President














                                   3

<PAGE>
                        SUPPORT AGREEMENT


    This SUPPORT AGREEMENT ("Agreement") is made as of the 3rd day of 
January, 1997, among Donald V. Warriner (hereinafter referred to as the 
"undersigned"), Service Business Systems, Inc., Colorado corporation (the 
"Borrower"), and Norwest Business Credit, Inc. (hereinafter referred
to as "NBCI").


                           WITNESSETH:

    WHEREAS, NBCI and Borrower have entered into that certain Credit and 
Security Agreement ("Credit Agreement") dated as of January 3, 1997, 
pursuant to which NBCI may, from time to time, at its discretion, make 
advances to or for the benefit of Borrower;

      WHEREAS, the undersigned is the duly elected, qualified and acting 
President of the Borrower and is fully familiar with all of the Borrower's 
business and financial affairs;

      NOW, THEREFORE, to induce NBCI to make advances to or for the account 
of the Borrower under the Credit Agreement and for other good and valuable 
consideration, the receipt and sufficiency of which are hereby acknowledged, 
the undersigned, the Borrower and NBCI agree as follows:

     1.      The undersigned agrees that in the event (i) NBCI comes into 
possession of any or all of the tangible Collateral (as such term is defined 
in the Credit Agreement) or is collecting the Borrower's accounts receivable 
or otherwise disposing of Collateral by reason of the occurrence of an Event 
of Default under the Security Documents (as defined in Credit Agreement), 
(ii) NBCI has given notice of an acceleration of all of the obligations under
and an defined in the Security Agreement, and (iii) he is then in the employ 
of the Borrower, he will, if and at such time as he ceases to be employed by 
the Borrower, at NBCI's option and upon NBCI's request, and until this
Agreement shall have terminated as provided herein, enter NBCI's employ for a
period not to exceed six months, for the sole purpose of disposing of such 
Collateral and collecting such accounts, or assisting NBCI in disposing of 
such Collateral and collecting such accounts.  During the period of such 
employment the undersigned shall exert his best efforts and devote all of 
his regular working hours to obtain sales of such Collateral at the best 
obtainable prices and terms and to collect such accounts at their full face 
value.  If the events described in clauses (i) and (ii) occur at a time when
the undersigned is employed by the Borrower, then, if requested by NBCI, 
Borrower shall cause the undersigned, so long as he is in its employ, to 
exert his best efforts and devote all of his regular working hours to obtain 


                                    1
<PAGE>

sales of such Collateral at the best obtainable prices and terms and to
collect such accounts at their full face value.

    2.       NBCI shall have the right to terminate the undersigned's 
employment or other assistance described in Paragraph 1 above at any time on
five business days' notice, for any cause or without cause.

    3.       The sole compensation and remuneration of the undersigned for 
any employment or assistance rendered pursuant to Paragraph 1 above shall be 
a weekly salary paid at the same rate as the average salary (on a weekly 
basis) paid to such person by Borrower in the twelve (12) months immediately 
preceding the commencement of such employment or activities.  Such 
compensation shall be prorated for partial weeks of service.

    4.       In connection with such employment, the undersigned shall not 
have any authority to bind NBCI, except such specific authority as NBCI may 
grant in writing.

    5.       In the event that the undersigned fails to comply with the 
provisions of Paragraph 1 above, unless such failure occurs as a result of 
death, mental or physical incapacity, or NBCI's termination of employment of 
the undersigned, the undersigned shall pay NBCI an amount equal to $25,000 as
liquidated damages, but not as a penalty, because of the difficulty of 
proving actual damages for the breach of premium of the type contained 
herein.  Such liquidated damages shall be immediately due and payable upon 
the failure by the undersigned to comply with the provisions of Paragraph 1 
above.  In addition, the undersigned shall be liable for NBCI's costs and 
expenses (including reasonable attorneys, fees and legal costs) incurred in 
enforcing this liquidated damages provision.  In no event, however, shall the
undersigned be liable for more than NBCI's actual damages, plus NBCI's costs 
of enforcement of this Agreement.  Notwithstanding the foregoing, the
undersigned shall not have any obligation under this Paragraph 5 if he shall 
have ceased to be employed by the Borrower more than thirty (30) business 
days prior to the occurrence of the events described in clauses (i) add (ii) 
of Paragraph 1 hereof, and shall have given notice of such cessation of 
employment to NBCI at least thirty (30) business days prior to the occurrence
of such events.

    6.       In the event of the death, mental or physical incapacity, or 
termination by NBCI of employment of the undersigned, Borrower shall be 
responsible for obtaining a replacement for such person and Borrower shall 
use its best efforts to cause such replacement to execute a support agreement
substantially in the form of this Agreement.

    7.       This agreement shall remain in full force and effect so long as 
the Credit Agreement is outstanding or until otherwise agreed by an amendment
hereto signed by NBCI and the undersigned.

                                   2
<PAGE>
 
    8.       The provisions of this Agreement are declared to be severable.  
If any provision of this Agreement shall be held to be invalid, illegal or 
unenforceable, such invalidity, illegality or unenforceability shall not 
affect any other provisions of this Agreement.

    9.       The undersigned and the Borrower waive notice of NBCI's 
acceptance hereof.



                                       SERVICE BUSINESS SYSTEMS, INC.

BY(Signature)                          /s/Donald V. Warriner
(Name and Title)                       Donald V. Warriner,
                                       President and CEO              




                                       NORWEST BUSINESS CREDIT, INC.


BY(Signature)                          /s/Greg Glessman
(Name and Title)                       Greg Glessman,
                                       Vice President



BY(Signature)                          /s/Donald V. Warriner












                                   3

<PAGE>



                     GUARANTY BY CORPORATION 

                                                              Denver, Colorado
                                                               January 3, 1997

          For good and valuable consideration, the receipt and sufficiency of
which are hereby acknowledged, and to induce Norwest Business Credit, Inc., 
a Minnesota corporation (herein, with its participants, successors and 
assigns, called the "Lender"), at its option, at any time or from time to 
time to make loans or extend other accommodations to or for the account of
Service Business Systems, Inc. (herein called the "Borrower") or to engage 
in any other transactions with the Borrower, the undersigned hereby 
absolutely and unconditionally guaranties to the Lender the full and prompt 
payment when due, whether at maturity or earlier by reason of acceleration or
otherwise, of any and all present and future debts, liabilities and
obligations owed by the Borrower to the Lender; and the undersigned 
acknowledges and agrees with the Lender that:

     
           1.       The debts, liabilities and obligations guarantied hereby 
(collectively referred to herein as the "Indebtedness") shall include, but 
shall not be limited to, debts, liabilities and obligations arising out of 
loans, credit transactions, financial accommodations, discounts, purchases of
property or other transactions with the Borrower or for the Borrower's 
account or out of any other transaction or event, owed to the Lender or owed 
to others by reason of participations granted to or interests acquired or 
created for or sold to them by the Lender, in each case whether now existing 
or hereafter arising, whether arising directly in a transaction or event
involving the Lender or acquired by the Lender from another by purchase or 
assignment or as collateral security, whether owed by the Borrower as drawer,
maker, endorser, accommodation party, guarantor, principal, surety or as a 
member of any partnership, syndicate, association or group or in any other 
capacity, whether absolute or contingent, direct or indirect, primary or
secondary, sole, joint, several or joint and several, secured or unsecured, 
due or not due, contractual, tortious or statutory, liquidated or 
unliquidated, arising by agreement or imposed by law or otherwise.

           2.       The undersigned represents and warrants to the Lender 
that (a) the undersigned is a corporation duly organized and existing in good
standing and has full power and authority to make and deliver this guaranty; 
(b) the execution, delivery and performance of this guaranty by the 
undersigned have been duly authorized by all necessary action of its 
directors and shareholders and do not and will not violate the provisions of,
or constitute a default under, any presently applicable law or its articles 
of incorporation or bylaws or any agreement presently binding on it; (c) this
guaranty has been duly executed and delivered by the authorized officers of 
the undersigned and constitutes its lawful, binding and legally enforceable
obligation; and (d) the authorization, execution, delivery and performance of
this guaranty do not require notification to, registration with, or consent 
or approval by, any federal, state or local regulatory body or administrative
agency.

<PAGE>
           3.       No act or thing need occur to establish the liability of 
the undersigned hereunder, and no act or thing, except full payment and 
discharge of all of the Indebtedness, shall in any way exonerate the 
undersigned hereunder or modify, reduce, limit or release the liability of 
the undersigned hereunder.  This is an absolute, unconditional and continuing
guaranty of payment of the Indebtedness and shall continue to be in force and
be binding upon the undersigned, whether or not all of the Indebtedness is 
paid in full, until this guaranty is revoked prospectively as to future 
transactions, by written notice actually received by the Lender, and such 
revocation shall not be effective as to the amount of Indebtedness existing 
or committed for at the time of actual receipt of such notice by the Lender, 
or as to any renewals, extensions, refinancings or refundings thereof.  The 
dissolution or adjudication of bankruptcy of the undersigned shall not revoke
this guaranty, except upon actual receipt of written notice thereof by the 
Lender and only prospectively, as to future transactions, as herein set 
forth.

           4.       The undersigned represents and warrants to the Lender 
that the undersigned has a direct and substantial economic interest in the 
Borrower and expects to derive substantial benefits therefrom and from any 
loans, credit transactions, financial accommodations, discounts, purchases 
of property and other transactions and events resulting in the creation of 
the Indebtedness guarantied hereby, and that this guaranty is given for a 
corporate purpose.  The undersigned agrees to rely exclusively on the right 
to revoke this guaranty prospectively as to future transactions, in 
accordance with paragraph 3, if at any time, in the opinion of the directors 
or officers of the undersigned, the corporate benefits then being received
by the undersigned in connection with this guaranty are not sufficient to 
warrant the continuance of this guaranty as to the future Indebtedness of 
the Borrower.  Accordingly, so long as this guaranty is not revoked 
prospectively in accordance with paragraph 3, the Lender may rely 
conclusively on a continuing warranty, hereby made, that the undersigned 
continues to bebenefitted by this guaranty and the Lender shall have no duty 
to inquire into or confirm the receipt of any such benefits, and this 
guaranty shall be effective and enforceable by the Lender without regard to 
the receipt, nature or value of any such benefits.

           5.       If the undersigned shall be dissolved or shall be or 
become insolvent (however defined), then the Lender shall have the right to 
declare immediately due and payable, and the undersigned will forthwith pay 
to the Lender, the full amount of all of the Indebtedness whether due and 
payable or unmatured.  If the undersigned voluntarily commences or there is
commenced involuntarily against the undersigned a case under the United 
States Bankruptcy Code, the full amount of all Indebtedness, whether due and 
payable or unmatured, shall be immediately due and payable without demand or 
notice thereof.

           6.       The undersigned hereby waives all rights that the 
undersigned may now have or hereafter acquire, whether by subrogation, 
contribution, reimbursement, recourse, exoneration, contract or otherwise, 
to recover from the Borrower or from any property of the Borrower any sums 
paid under this Guaranty.  The undersigned will not exercise or enforce any

                                   2
<PAGE>

right of contribution to recover any such sums from any person who is a 
co-obligor with the Borrower or a guarantor or surety of the Indebtedness or 
from any property of any such person until all of the Indebtedness shall have
been fully paid and discharged.

           7.       The undersigned will pay or reimburse the Lender for all 
costs, expenses and attorneys' fees paid or incurred by the Lender in 
endeavoring to collect and enforce the Indebtedness and in enforcing this 
guaranty.

           8.       The Lender shall not be obligated by reason of its 
acceptance of this guaranty to engage in any transactions with or for the 
Borrower.  Whether or not any existing relationship between the undersigned 
and the Borrower has been changed or ended and whether or not this guaranty 
has been revoked, the Lender may enter into transactions resulting in the
creation or continuance of the Indebtedness and may otherwise agree, consent 
to or suffer the creation or continuance of any of the Indebtedness, without 
any consent or approval by the undersigned and without any prior or 
subsequent notice to the undersigned.  The liability of the undersigned shall
not be affected or impaired by any of the following acts or things (which the
Lender is expressly authorized to do, omit or suffer from time to time, both 
before and after revocation of this guaranty, without consent or approval by 
or notice to the undersigned): i. any acceptance of collateral security, 
guarantors, accommodation parties or sureties for any or all of the 
Indebtedness; ii. one or more extensions or renewals of the Indebtedness 
(whether or not for longer than the original period) or any modification of 
the interest rates, maturities or other contractual terms applicable to any 
of the Indebtedness or any amendment or modification of any of the terms or 
provisions of any loan agreement or other agreement under which the
Indebtedness or any part thereof arose; iii. any waiver or indulgence granted
to the Borrower, any delay or lack of diligence in the enforcement of the 
Indebtedness or any failure to institute proceedings, file a claim, give any 
required notices or otherwise protect any of the Indebtedness; iv. any full 
or partial release of, compromise or settlement with, or agreement not to 
sue, the Borrower or any guarantor or other person liable in respect of any 
of the Indebtedness; v. any release, surrender, cancellation or other 
discharge of any evidence of the Indebtedness or the acceptance of any 
instrument in renewal or substitution therefor; vi. any failure to obtain
collateral security (including rights of setoff) for the Indebtedness, or to 
see to the proper or sufficient creation and perfection thereof, or to 
establish the priority thereof, or to preserve, protect, insure, care for, 
exercise or enforce any collateral security; or any modification, alteration,
substitution, exchange, surrender, cancellation, termination, release or 
other change, impairment, limitation, loss or discharge of any collateral 
security;  vii. any collection, sale, lease or disposition of, or any other 
foreclosure or enforcement of or realization on, any collateral security; 
viii. any assignment, pledge or other transfer of any of the Indebtedness or 
any evidence thereof; ix. any manner, order or method of application of any 
payments or credits upon the Indebtedness; and x. any election by the Lender 
under Section 1111(b) of the United States Bankruptcy Code.  The undersigned 
waives any and all defenses and discharges available to a surety, guarantor 
or accommodation co-obligor.

                                   3
<PAGE>

           9.       The undersigned waives any and all defenses, claims, 
setoffs and discharges of the Borrower, or any other obligor, pertaining to 
the Indebtedness, except the defense of discharge by payment in full.  
Without limiting the generality of the foregoing, the undersigned will not 
assert, plead or enforce against the Lender any defense of waiver, release,
discharge or disallowance in bankruptcy, statute of limitations, res 
judicata, statute of frauds, anti-deficiency statute, fraud, incapacity, 
minority, usury, illegality or unenforceability which may be available to 
the Borrower or any other person liable in respect of any of the 
Indebtedness, or any setoff available against the Lender to the Borrower or 
any other such person, whether or not on account of a related transaction.  
The undersigned expressly agrees that the undersigned shall be and remain 
liable for any deficiency remaining after foreclosure of any mortgage or 
security interest securing the Indebtedness, whether or not the liability of 
the Borrower or any other obligor for such deficiency is discharged pursuant 
to statute or judicial decision.  The liability of the undersigned shall not 
be affected or impaired by any voluntary or involuntary liquidation, 
dissolution, sale or other disposition of all or substantially all of the
assets, marshalling of assets and liabilities, receivership, insolvency, 
bankruptcy, assignment for the benefit of creditors, reorganization, 
arrangement, composition or readjustment of, or other similar event or 
proceeding affecting, the Borrower or any of its assets.  The undersigned 
will not assert, plead or enforce against the Lender any claim, defense or 
setoff available to the undersigned against the Borrower.

           10.      The undersigned waives presentment, demand for payment, 
notice of dishonor or nonpayment and protest of any instrument evidencing the
Indebtedness.  The Lender shall not be required first to resort for payment 
of the Indebtedness to the Borrower or other persons, or their properties, or
first to enforce, realize upon or exhaust any collateral security for
the Indebtedness, before enforcing this guaranty.

           11.      If any payment applied by the Lender to the Indebtedness 
is thereafter set aside, recovered, rescinded or required to be returned for 
any reason (including, without limitation, the bankruptcy, insolvency or 
reorganization of the Borrower or any other obligor), the Indebtedness to 
which such payment was applied shall for the purpose of this guaranty be
deemed to have continued in existence, notwithstanding such application, and 
this guaranty shall be enforceable as to such Indebtedness as fully as if 
such application had never been made.

           12.      The undersigned acknowledges and agrees that the Lender 
(a) has not made any representations or warranties with respect to, (b) does 
not assume any responsibility to the undersigned for, and (c) has no duty to 
provide information to the undersigned regarding, the enforceability of any 
of the Indebtedness or the financial condition of the Borrower or any
guarantor.  The undersigned has independently determined the 
creditworthiness of the Borrower and the enforceability of the Indebtedness 
and until the Indebtedness is paid in full will independently and without 
reliance on the Lender continue to make such determinations.

                                   4
<PAGE>

           13.      The liability of the undersigned under this guaranty is 
in addition to and shall be cumulative with all other liabilities of the 
undersigned to the Lender as guarantor, surety, endorser, accommodation 
co-obligor or otherwise of any of the Indebtedness or obligation of the 
Borrower, without any limitation as to amount, unless the instrument or
agreement evidencing or creating such other liability specifically provides 
to the contrary.

           14.      This guaranty shall be effective upon delivery to the 
Lender, without further act, condition or acceptance by the Lender, shall be 
binding upon the undersigned and the successors and assigns of the 
undersigned and shall inure to the benefit of the Lender and its
participants, successors and assigns.  Any invalidity or unenforceability of 
any provision or application of this guaranty shall not affect other lawful 
provisions and application thereof, and to this end the provisions of this 
guaranty are declared to be severable.  This guaranty may not be
waived, modified, amended, terminated, released or otherwise changed except 
by a writing signed by the undersigned and the Lender.  This guaranty shall 
be governed by and construed in accordance with the substantive laws (other 
than conflict laws) of the State of Colorado.  The undersigned waives notice 
of the Lender's acceptance hereof.  The undersigned irrevocably
i. agrees that any suit, action or other legal proceeding arising out of or 
relating to this guaranty may be brought in a court of record in the State of
Colorado or in the Courts of the United States located in such State, ii. 
consents to the jurisdiction of each such court in any suit, action or
proceeding, iii. waives any objection which it may have to the laying of 
venue of any such suit, action or proceeding in any such courts and any 
claim that any such suit, action or proceeding has been brought in an 
inconvenient forum, and iv. agrees that a final judgment in any such suit,
action or proceeding shall be conclusive and may be enforced in other 
jurisdictions by suit on the judgment or in any other manner provided by law.




















                                   5
<PAGE>

           15.      THE UNDERSIGNED HEREBY IRREVOCABLY WAIVES ALL
RIGHTS TO TRIAL BY JURY IN ANY ACTION, PROCEEDING OR COUNTERCLAIM
ARISING OUT OF, BASED ON OR PERTAINING TO THIS GUARANTY.

          This guaranty is secured by the "Collateral" as defined in the 
Security Agreement between the undersigned and the Lender dated January 3, 
1997.


          IN WITNESS WHEREOF, this guaranty has been duly executed by the
undersigned the day and year first above written.

(Registrant)                                DATA NATIONAL CORPORATION


BY(Signature)                               /s/Donald V. Warriner
(Name and Title)                            Donald V. Warriner,
                                            President and CEO

                         Address:       11415 West I-70 Frontage Road North
                                        Wheat Ridge, CO  80033
                                        Attn:  Richard S. Simms

STATE OF Colorado   )
                    ) ss.
COUNTY OF Jefferson )

          The foregoing instrument was acknowledged before me this 3rd day of 
January, 1997, by Donald V. Warriner, the President and CEO of Data National
Corporation, a Colorado corporation, on behalf of the corporation.

BY(Signature)                   /s/Thomas J. Moore                           
                                Notary Public








                                   6

<PAGE>
                        SECURITY AGREEMENT


     
      1.   DATA NATIONAL CORPORATION (hereinafter called "Debtor"), whose 
address is 11415 West I-70 Frontage Road North, Wheat Ridge, Colorado 80033, 
for value received, hereby grants to Norwest Business Credit, Inc., a 
Minnesota corporation (hereinafter called "Secured Party"), whose address is 
1740 Broadway, Denver, Colorado 80274-8625, a security interest in the
"Collateral" (as hereinafter defined) to secure all obligations of the Debtor
under a guaranty (hereinafter called the "Guaranty") entered into by Debtor 
in favor of Secured Party to guarantee any and all obligations of Service 
Business Systems, Inc., a Colorado corporation and subsidiary of Debtor 
("SBS") to Secured Party, all obligations of Debtor hereunder, and in the 
protection, maintenance and liquidation of the security interests hereby 
granted, with interest at the maximum legal rate on such costs, expenses, 
advances and liabilities, and all other obligations of Debtor to the Secured 
Party however created, arising or evidenced, whether direct or indirect, 
absolute or contingent, now or hereafter existing, due or to become due.  
The Guaranty, the SBS Note and all other obligations secured hereby are 
herein collectively called the "Liabilities".

      2.   The property (herein called the "Collateral") in which the 
security interests are granted is all of the Debtor's property described 
below, together with all proceeds and products therefrom:

      (a)  All inventory, raw materials, work in process and supplies now 
           owned or hereafter acquired; and

      (b)  All equipment and machinery whether now owned or hereafter 
           acquired;

      (c)  All accounts, and each and every right of Debtor to the payment 
           of money, whether such right to payment now exists or hereafter 

<PAGE>
           arises, whether such right to payment arises out of a sale, lease 
           or other disposition of goods or other property, out of a 
           rendering of services, out of a loan, out of the overpayment of 
           taxes or other liabilities, or otherwise arises under any contract
           or agreement, whether such right to payment is created, generated 
           or earned by Debtor or by some other person who subsequently 
           transfers such person's interest to Debtor, whether such right to
           payment is or is not already earned by performance and howsoever 
           such right to payment may be evidenced, together with all other 
           rights and interests (including all liens and security interests)
           which Debtor may at any time have by law or against any property 
           of such account debtor or other obligor; all including but not 
           limited to all present and future accounts, contract rights, 
           loans and obligations receivable, chattel papers, bonds, notes 
           and other debt instruments, tax refunds and rights to payment in 
           the nature of general intangibles; and 

      (d)  All general intangibles of Debtor whether now owned or hereafter 
           acquired, including (without limitation) all present and future 
           patents, patent applications, copyrights, trademarks, trade names, 
           trade secrets, customer or supplier lists and contracts, manuals, 
           operating instructions, permits, franchises, the right to use 
           Debtor's name, and the goodwill of Debtor's business.

      3.   Debtor represents and warrants to, and covenants and agrees with, 
the Secured Party as follows:

      (a)   The Collateral will be kept at the address of Debtor set forth 
            above unless the Secured Party shall otherwise consent in 
            writing.

      (b)   Debtor shall not conduct business under any name other than that 
            given above, nor change or reorganize the type of business entity
            under which it does business without the prior written consent of
            the Secured Party.

                                   2
<PAGE>
      (c)   Debtor has full title to the Collateral and will at all times keep 
            the Collateral free of all liens and claims whatsoever, other than 
            the security interest granted hereunder and a second priority 
            security interest granted pursuant to that certain Amended and 
            Restated Promissory Note dated January 3, 1997 by Debtor in favor
            of Ray E. Dillon, Jr. and Ray E. Dillon, III in the original 
            principal amount of $551,400.

      (d)   Debtor will not sell, transfer, lease or otherwise dispose of 
            any of the Collateral or any interest thereon, without the prior 
            written approval of the Secured Party, except that Debtor may 
            sell the inventory listed in the ordinary course of business on
            customary terms and at usual prices, until advised otherwise by 
            Secured Party.

      (e)   No financing statement covering any of the Collateral is on file 
            in any public office and Debtor will, from time to time on 
            request of the Secured Party, execute such financing statement 
            and other documents (and pay the costs of filing or recording the
            same in all public offices deemed necessary by the Secured Party)
            and do such other acts and things, and pay the cost thereof, as 
            the Secured Party may request, to establish, maintain,
            perfect, extend, modify or terminate the security interests 
            granted hereunder, including, without limitation, depositing with
            the Secured Party any certificate of title issuable with respect 
            to any of the Collateral and noting the security interest granted
            hereunder thereon.

      (f)   Debtor shall at all times keep the Collateral in first class 
            order and repair, pay promptly all taxes, judgments or charges of
            any kind levied or assessed thereon, and keep current all rent 
            due on the premises where the Collateral is located.

                                   3
<PAGE>

      (g)   Debtor shall, at all times, maintain insurance on all Collateral 
            against such hazards and in such amounts and with such companies 
            as the Secured Party may demand, all such insurance policies to 
            be in the possession of the Secured Party and to contain a
            lender's loss payable clause naming the Secured Party in an 
            amount satisfactory to the Secured Party.  Debtor hereby assigns 
            to the Secured Party any proceeds of such policies and all 
            unearned premiums thereon and authorizes and empowers the Secured
            Party to collect such sums and to execute and endorse in Debtor's
            name all proofs of loss, drafts, checks and any other documents 
            necessary to accomplish such collections, and any persons or 
            entities making payments to the Secured Party under the terms of 
            this paragraph are hereby relieved absolutely from any obligation
            to see to the application of any sums so paid.

      (h)   The Collateral, whether fixed to realty or not, shall remain 
            personal property.

      (i)   The Secured Party may examine and inspect the Collateral or any 
            portion thereof, wherever located, at any reasonable time or 
            times.

      4.      The Secured Party may, from time to time, at its option, 
perform any agreement of Debtor hereunder which Debtor shall fail to perform 
and take any other action which the Secured Party deems necessary for the 
maintenance or preservation of any of the Collateral or its interest
therein, and Debtor agrees to forthwith reimburse the Secured Party for all 
expenses of the Secured Party in connection with the foregoing, together with
interest thereon at the maximum legal rate from the date incurred until 
reimbursed by Debtor.

                                   4
<PAGE>
      5.   If the Collateral, or any part thereof, is repossessed by the 
Secured Party, Debtor agrees to send notice by registered or certified mail 
to the Secured Party within 24 hours thereafter if Debtor claims that any 
article not constituting a part of the Collateral was contained therein at 
the time of repossession, and agrees that failure to do so shall be a waiver 
of, and a bar to, any subsequent claim therefor.

      6.   The occurrence of any of the following events shall constitute a 
default (herein called a "Default") hereunder:

      (a)  Nonpayment when due of any amount payable on any of the 
           Liabilities or failure to perform any agreement of Debtor 
           contained herein or in the Guaranty;

      (b)  Any statement, representation or warranty of Debtor herein or any 
           other writing at any time furnished by Debtor to the Secured Party
           is untrue in any material respect as of the date made;

      (c)  The Debtor shall become insolvent or unable to pay debts as they 
           mature or makes an assignment for the benefit of creditors, or any
           proceedings are instituted by or against any obligor alleging that
           such obligor is insolvent or unable to pay debts as they mature;

      (d)  Entry of any judgments against the Debtor in an amount in excess 
           of $35,000;

      (e)  Dissolution, merger or consolidation or transfer of a substantial 
           part of the property of the Debtor;

      (f)  Appointment of a receiver for the Collateral or any property in 
           which Debtor has an interest; and

                                   5
<PAGE>
      (g)  Seizure of the Collateral.
     When a Default shall have occurred, all obligations of the Debtor under 
the Guaranty and all other Liabilities (notwithstanding any provision 
thereof) shall, at the option of the Secured Party, and without demand or 
notice of any kind, become immediately due and payable and the Secured Party 
may exercise from time to time any rights and remedies available to it under 
applicable law.  Debtor agrees, in the case of a Default, to assemble and 
make available at its expense all of the Collateral at a convenient place 
acceptable to the Secured Party and to pay all costs of the Secured
Party of collection of the Guaranty and all other Liabilities, enforcement 
of rights hereunder, including reasonable attorney's fees and legal expenses,
and expenses of any repairs to any realty or other property to which any of 
the Collateral may be affixed or be a part.  If any notification of any 
intended disposition of any of the Collateral is required by law, such 
notification, if mailed, shall be deemed reasonably and properly given if 
mailed at least five days before such disposition, postage prepaid, addressed
to Debtor either at the address shown hereinabove, or at any other address of
Debtor appearing on the records of the Secured Party and in reference to a 
private sale, need only state that the Secured Party intends to negotiate 
such a sale.  Disposition of Collateral shall be deemed commercially 
reasonable if made pursuant to a public offering advertised at least twice in
a newspaper of general circulation in the community where the Collateral is 
located or by a private sale for a sum equal to or in excess of the 
liquidation value of the Collateral as determined by the Secured Party.  Any 
proceeds of the disposition of the Collateral may be applied by the Secured 
Party to the payment of expenses in connection with the Collateral, including
reasonable attorney's fees and legal expenses, and any balance of such 
proceeds may be applied by the Secured Party toward the payment of such of 

                                   6
<PAGE>
the Liabilities, and in such order of application, as the Secured Party may 
from time to time elect.

      7.  (a)  Time is of the essence of this Agreement.

          (b)  This Agreement shall be governed by and construed in accordance
               with the laws of the State of Colorado.

          (c)  No waiver of any breach of any covenant, agreement or 
               undertaking contained herein shall operate as a waiver of any 
               subsequent breach of the same covenant, agreement or 
               undertaking or as a waiver of any breach of any other 
               covenant, agreement or undertaking.  In the case of a breach 
               by any party of any covenant, agreement or undertaking,
               the nonbreaching party may nevertheless accept from the other,
               any payment or performance without waiving its right to 
               exercise any right or remedy provided herein or otherwise, 
               with respect to any such breach which was in existence at the 
               time such payment or performance were accepted by it.  No 
               failure of any party to exercise any power given herein or to 
               insist upon strict compliance with any covenant, agreement or 
               undertaking contained herein, and no custom or practice which 
               varies from the terms hereof, shall constitute a waiver of 
               such party's right to demand exact compliance with the terms 
               hereof.  The waiver by any party of a breach of any covenant, 
               agreement or undertaking contained herein shall be made only 
               by a written waiver in each case, and no such waiver shall 
               operate or be construed as a waiver of any prior or subsequent
               breach.

          (d)  If any provision of this Agreement shall, to any extent, be 
               held invalid, illegal or unenforceable, in whole or in part, 
               the validity, legality, and enforceability of the remaining 

                                   7
<PAGE>
               part of such provision, and the validity, legality and 
               enforceability of the other provisions hereof, shall not be 
               affected thereby.  Any provision of this Agreement which is
               held invalid, illegal or unenforceable in any jurisdiction 
               shall not be deemed invalid, illegal or unenforceable in any 
               other jurisdiction.

          (e)  This Agreement may not be amended, changed, modified, altered 
               or terminated except in writing executed by all parties with 
               the same formality as this Agreement is executed.

          (f)  Except as otherwise expressly provided herein, all rights, 
               powers and privileges conferred hereunder upon any party shall
               be cumulative and not restrictive of those given by law.  No 
               remedy herein conferred is exclusive of any other available 
               remedy, but each and every such remedy shall be cumulative and
               shall be in addition to every other remedy given by agreement 
               or now or hereafter existing at law or in equity or by statute.

          (g)  This Agreement shall be binding upon, shall inure to the 
               benefit of, and shall be enforceable by and against all the 
               parties and their respective heirs, legal representatives,
               successors and assigns.  Nothing in this Agreement, expressed 
               or implied, is intended to or shall confer upon any person 
               other than the parties, and their respective heirs, legal
               representatives, successors and assigns, any rights, remedies,
               obligations or liabilities.

                                   8
<PAGE>
          (h)  Use of the terms "herein", "hereby", "hereunder", "hereof', 
               "hereinbefore", "hereinafter", and other equivalent words 
               refer to this Agreement in its entirety and not solely to the 
               particular portion of the Agreement in which such word is 
               used.  Reference to "this Article", "this Section", or a 
               similar reference to a specific part of this Agreement shall
               refer to the particular Article, Section or specific part in 
               which such reference appears.   Wherever used herein, any 
               pronoun shall be deemed to include both singular and plural 
               and all genders.

          (i)  Debtor will execute, deliver, acknowledge and supply such 
               further documents, instruments and assurances as shall be 
               reasonably necessary or appropriate to carry out the full 
               intent and purposes of this Agreement.

     IN WITNESS WHEREOF, the Debtor has executed this Security Agreement as 
of the 3rd day of January, 1997.

(Registrant)                               DATA NATIONAL CORPORATION
BY(Signature)                              /s/Donald V. Warriner
(Name and Title)                           Donald V. Warriner,
                                           President and CEO





                                   9

<PAGE>
   
                                                                   Security    
                                                                  Agreement  



_____________________________________________________________________________

                                                        DATE: January 3, 1997
- -----------------------------------------------------------------------------
- -----------------------------------------------------------------------------
DEBTOR| SERVICE BUSINESS SYSTEMS, INC. | SECURED| NORWEST BANK
COLORADO, N.A.|
      |                                |  PARTY |                            |
- ------------------------------------------------------------------------------
 BUS. | 11415 WEST I-70 FRONTAGE ROAD  |ADDRESS | 12601 WEST 32ND AVE.       |
  OR  | NORTH                          |        |                            |
 RES. |                                |        |                            | 
 ADD. |                                |        |                            |
- ------------------------------------------------------------------------------
CITY, | WHEAT RIDGE, CO 80033          | CITY,  | WHEAT RIDGE, CO 80033-5252 |
STATE |                                | STATE, |                            |
&     |                                | &      |                            |
ZIP   |                                | ZIP    |                            |
CODE  |                                | CODE   |                            |
- ------------------------------------------------------------------------------

   1.  Security Interest and Collateral.  To secure the payment and 
performance of each and every debt, liability and obligation of every type 
and description which Debtor may now or at any time hereafter owe to Secured 
Party (whether such debt, liability or obligation now exists or is hereafter 
created or incurred, whether it is currently contemplated by the Debtor and 
Secured Party, whether any documents evidencing it refer to this Security 
Agreement, whether it arises with or without any documents (e.g. obligations 
to Secured party created by checking overdrafts), and whether it is or may be
 direct or indirect, due to become due, absolute or contingent, primary or 
secondary, liquidated or unliquidated, or joint, several or joint and 
several; all such debts, liabilities and obligations being herein 
collectively referred to as the "Obligations").  Debtor hereby grants Secured
Party a security interest (herein called the "Security Interest"0 int he 
following property (herein called the "Collateral) (check applicable boxes 
and complete information):

   (a)    INVENTORY:
      All Inventory of Debtor, whether now owned or hereafter acquired and 
      wherever located:

   (b)    EQUIPMENT, FARM PRODUCTS AND CONSUMER GOODS:
      All equipment of Debtor, whether now owned or hereafter acquired, 
      including but not limited to all present and future machinery, 
      vehicles, furniture, fixtures, manufacturing equipment, farm machinery 
      and equipment, shop equipment, office and recordkeeping equipment, 
      parts and tools, and the goods described in any equipment schedule or
      list herewith or hereafter furnished to Secured Party by Debtor (but 
      no such schedule or list need be furnished in order for the security 
      interest granted herein to be valid as to all of Debtor's equipment).
      All farm products of Debtor, whether now owned or hereafter acquired, 
      including but not limited to all poultry and livestock and their young,
      products thereof and produce thereof, all crops, whether annual or 
      perennial and the products thereof, and all feed, seed, fertilizer, 
      medicines and other supplies used or produced by Debtor in farming
      operations, and any crop insurance payments and any government farm 
      support payments, including any diversion or deficiency payments.  The 
      real estate concerned with the above described crops growing or to be 
      grown is:____________________________________________________________
      _____________________________________________________________________    
                                                                        
      and the name of the record owner is:_________________________________
      The following goods or types of goods:_______________________________
      _____________________________________________________________________

   (c)      ACCOUNTS AND OTHER RIGHTS TO PAYMENT:
      Each and every right of Debtor to the payment of money, whether such 
      right to payment now exists or hereafter arises, whether such right to 
      payment arises out of a sale, lease or other disposition of goods or 
      other property by Debtor, out of a rendering of services by Debtor, 
      out of a loan by Debtor, out of the overpayment of taxes or other
      liabilities of Debtor, or otherwise arises under any contract or 
      agreement, whether such right to payment is or is not already earned 
      by performance, and howsoever such right to payment may be evidenced, 
      together with all other rights and interests (including all liens and 
      security interests) which Debtor may at any time have by law or
      agreement against any account debtor or other obligor obligated to 
      make any such payment or against any of the property such account 
      debtor or other obligor;o all including but not limited to all present 
      and future debt instruments, chattel papers, accounts, loans and 
      obligations receivable and tax refunds.
      ______________________________________________________________________
      ______________________________________________________________________

   (d)     GENERAL INTANGIBLES:
      All general intangibles of Debtor, whether now owned or hereafter 
      acquired, including, but not limited to, applications for patents, 
      patients, copyrights, trademarks, trade secrets, good will, tradenames,
      customers' lists, permits and franchises, and the right to use Debtor's
      name.

together with all substitutions and replacements for and products of any of 
the foregoing property not constituting consumer goods and together with 
proceeds of any and all of the foregoing property and, in the case of all 
tangible Collateral, together with all accessions and, except in the case of 
consumer goods, together with (i) all accessories, attachments, parts, 
equipment and repairs now or hereafter attached or affixed to or used in 
connection with any such goods, and (ii) all warehouse receipts, bills of 
lading and other documents of title now or hereafter covering such goods.

 2.  Representations, Warranties and Agreements.  Debtor represents, 
     warrants and agrees that:

   (a)  Debtor is  an individual,  a partnership,  a corporation and, if 
        Debtor is an individual, the Debtor's residence is at the address of 
        Debtor shown at the beginning of this Agreement.

   (b)  The Collateral will be used primarily for  personal, family or 
        household purposes;  farming operations;  business purposes.

   (c)  if any part or all of the tangible Collateral will become so related 
        to particular real estate as to become a fixture, the real estate 
        concerned is:_______________________________________________________ 
        ____________________________________________________________________
        and the name of the record owner is:________________________________

   (d)  Debtor's chief executive office is located at:______________________
        or, if left blank, at the address of Debtor shown at the beginning of
        this Agreement.

  THIS AGREEMENT CONTAINS ADDITIONAL PROVISIONS SET FORTH ON THE
REVERSE SIDE
                 HEREOF, ALL OF WHICH ARE MADE A PART HEREOF.

NORWEST BANK COLORADO, N.A.                       SERVICE BUSINESS SYSTEM, INC
  Secured Party's Name                                   Debtor's Name
BY(Signature)     /s/Frank L. Cummings                /s/Donald V. Warriner
(Name and Title)  Frank L.Cummings                    Donald V. Warriner
                  AVP                                 President and CEO
      


<PAGE>
                          ADDITIONAL PROVISIONS

 3.  Additional Representations, Warranties and Agreements.  
     Debtor represents, warrants and agrees that:
     ------------------------------------------------------

   (a)  Debtor has (or will have all the time Debtor acquires rights in 
Collateral hereafter arising) absolute title to each item of Collateral free 
and clear of all security interests, liens and encumbrances, except the 
Security interest, and will defend the Collateral against all claims or 
demands of all persons other than Secured Party.  Debtor will not sell or 
otherwise dispose of the Collateral or any interest thereon without the prior 
written consent of Secured Party, except that, until the occurrence of an 
Event of Default and the revocation by Secured Party or Debtor's right to do 
so.  Debtor may sell any inventory constituting Collateral to buyers in the 
ordinary course of business and use and consume any farm products 
constituting Collateral in Debtor's farming operation.  If Debtor is a 
corporation, this Agreement has been duly and validly authorized by all 
necessary corporate action, and, if Debtor is a partnership, the partner(s) 
executing this Agreement has (have) authority to act for the partnership.

   (b)  Debtor will not permit any tangible Collateral to be located in any 
state (and, if county filing is required, in any county) in which a financing
statement covering such Collateral is required to be, but has not in fact 
been, titled in order to perfect the Security interest.

   (c)  Each right to payment and each instrument, document, chattel paper 
and other agreement constituting or evidencing Collateral is (or will be when
arising or issued) the valid, genuine and legally enforceable obligation, 
subject to no defense, set-off or counterclaim (other than those arising in 
the ordinary course of business) of the account debtor or other obligor named
therein or in Debtor's records pertaining thereto as being obligated to pay 
such obligation.  Debtor will neither agree to any material modification or 
amendment nor agree to any cancellation of any such obligation without 
Secured Party's prior written consent, and will not subordinate any such 
right to payment to claims or other creditors of such account debtor or other
obligor.

   (d)  Debtor will keep all tangible Collateral in good repair, working 
order and condition, normal depreciation excepted, and will, from time to 
time, replace any worn, broken or defective parts thereof; promptly pay all 
taxes and other governmental charges levied or assessed upon or against any 
Collateral or upon or against the creation, perfection or continuance of the 
Security interest; keep all Collateral free and clear of all security 
interests, liens and encumbrances except the Security interest; at all 
reasonable times, permit Secured Party or its representatives to examine or 
inspect any Collateral, wherever located, and to examine, inspect and copy 
Debtor's books and records pertaining to the Collateral and its business and 
financial condition and to discuss with account debtors and other obligors 
requests for verifications of amounts owed to Debtor; keep accurate and 
complete records pertaining to the Collateral and pertaining to Debtor's 
business and financial condition and submit to Secured Party such periodic 
reports concerning the Collateral and Debtor's business and financial 
condition as Secured Party may from time to time reasonably request; 
promptly notify Secured Party of any loss of or material damage to any 
Collateral or of any adverse change, known to Debtor, in the prospect of 
payment of any sums due or on under any instrument, chattel paper, or 
account constituting Collateral; if Secured Party at any time so requests 
(whether the request is made before or after the occurrence of an Event of 
Default), promptly deliver to Secured Party any instrument, document or 
chattel paper constituting Collateral, duly endorsed or assigned by Debtor; 
at all times keep all tangible Collateral insured against risks of fire 
(including so-called extended coverage), theft, collision (in case of 
Collateral consisting of motor vehicles) any such other risks and in such 
amounts as Secured Party may reasonably request, with any loss payable to 
Secured Party to the extent of its interest; from time to time execute such 
financing statements as Secured Party may reasonably require in order to 
protect the Security interest and, if any Collateral consists of a motor 
vehicle, execute such documents as may be required to have the Security 
Interest properly noted on a certificate of title; pay when due or reimburse 
Secured Party on demand for all costs of collection of any of the Obligations
and all other out-of-pocket expenses (including in each case all reasonable 
attorneys' fees) incurred by Secured Party in connection with the creation, 
perfection, satisfaction, protection, defense or enforcement of the Security 
Interest or the creation, continuance, protection, defense or enforcement of 
this Agreement or any or all of the Obligations, including expenses incurred 
in any litigation or bankruptcy or insolvency proceedings; execute, deliver 
or endorse any and all instruments, documents, assignments, security 
agreements and other agreements and writings which Secured Party may at any 
time reasonably request in order to secure, protect, perfect or enforce
the Security Interest and Secured Party's rights under this Agreement; not 
use or keep any Collateral, or permit it to be used or kept, for any 
unlawful purpose or in violation of any federal, state or local law,
statute or ordinance; permit Secured Party at any time and from time to time 
to send requests (both before and after the occurrence of an Event of 
Default) to account debtors or other obligors for verification of amounts 
owed to Debtor; and not permit any tangible Collateral to become part of or 
to be affixed to any real property without first assuring to the reasonable 
satisfaction of Secured Party that the Security interest will be prior and 
senior to any interest or lien then held or thereafter acquired by any 
mortgagee of such real property or the owner or purchaser of any interest 
therein.  If Debtor at any time fails to perform or observe any agreement 
contained in this Section 3(d), and if such failure shall continue for a 
period of ten calendar days after Secured Party gives Debtor written notice 
thereof (or, in the case of the agreements contained in clauses (viii) and 
(ix) of this Section 3(d), immediately upon the occurrence of such failure, 
without notice or lapse of time), Secured Party may (but need not) perform or
observe such agreement on behalf and in the name, place and stead of Debtor 
(or, at Secured Party's option, in Secured Party's own name) and may (but 
need not) take any and all other actions which Secured Party may reasonably 
deem necessary to cure or correct such failure (including, without 
limitation, the payment of taxes, the satisfaction of security interests, 
liens, or encumbrances, the performance of obligations under contracts or 
agreements with account debtors or other obligors, the procurement and 
maintenance of insurance, the execution of financing statements, the 
endorsement of instruments, and the procurement of repairs, transportation or
insurance); and, except to the extent that the effect of such payment would 
be to render any loan or forbearance of money usurious or otherwise illegal 
under any applicable law, Debtor shall thereupon pay Secured Party on demand 
the amount of all moneys expended and all costs and expenses (including 
reasonable attorneys' fees) incurred by Secured Party in connection with or 
as a result of Secured Party's performing or observing such agreements or 
taking such actions, together with interest thereon from the date expended or
incurred by Secured Party at the highest rate then applicable to any of the 
Obligations.  To facilitate the performance or observance by Secured Party of
such agreements of Debtor, Debtor hereby irrevocably appoints ()which 
appointment is coupled with an interest) Secured Party, or its delegate, as 
the attorney-i-fact of Debtor with the right (but not the duty) from time to 
time to create, prepare, complete, execute, deliver, endorse or file, in
the name and on behalf of Debtor, any and all instruments, documents, 
financing statements, applications for insurance and other agreements and 
writings required to be obtained, executed, delivered or endorsed by Debtor 
under this Section 3 and Section 4.


 4.  Lock Box, Collateral Account.  If Secured Party so requests at any time 
(whether before or after the occurrence of an Event of Default), Debtor will 
direct each of its account debtors to make payments due under the relevant 
account or chattel paper directly to a special lock box to be under the 
control of Secured Party.  Debtor hereby authorizes and directs Secured Party
to deposit into a special collateral account to be established and maintained
with Secured Party all checks, drafts and cash payments, received in said 
lock box.  All deposits in said collateral account to the payment of the 
Obligations in such order of application as Secured Party may determine or 
permit Debtor to withdraw all or any party of the balance on deposit in said 
collateral account.  If a collateral account is so established, Debtor agrees
that it will promptly deliver to Secured Party, for deposit into said 
collateral account, all payments on accounts and chattel paper received by 
it.  All such payments shall be delivered to Secured Party in the form 
received (except for Debtor's endorsement where necessary).  Until so 
deposited, all payments on accounts and chattel paper received by Debtor 
shall be held in trust by Debtor for and as the property of Secured Party 
and shall not be commingled with any funds or property of Debtor.


 5.  Collection Rights of Secured Party.  Notwithstanding Secured Party's 
rights under Section 4  With respect to any and all debt instruments, 
chattel papers, accounts, and other rights to payment constituting Collateral 
(including proceeds), Secured Party may, at any time (both before and after 
the occurrence of an Event of Default) notify any account debtor, or any 
other person obligated to pay any amount due, that such chattel paper, 
account, or other right to payment has been assigned or transferred to 
Secured Party for security and shall be a paid directly to Secured Party.  
If Secured Party so requests at any time, Debtor will so notify such account 
debtors and other obligors in writing and will indicate on all invoices to 
such account debtors or other obligors that the amount due is payable 
directly to Secured Party.  At any time after Secured Party or Debtor gives 
such notice to an account debtor or other obligor, secured Party may (but 
need not) in its own name or in Debtor's name, demand, sue for, collect or
receive any money or property at any time payable or receivable on account 
of, or securing, any such chattel paper, account, or other right to payment, 
or grant any extension to, make any compromise or settlement with or 
otherwise agree to waive, modify, amend or change the obligations (including 
collateral obligations) of any such account debtor or other obligor.


 6.  Assignment of Insurance.  Debtor hereby assigns to secured Party, as 
additional security for the payment of the Obligations, any and all moneys 
(including but not limited to proceeds of insurance and refunds of unearned 
premiums) due or to become due under, and all other rights of Debtor under 
or with respect to, any and all policies of insurance covering the 
Collateral, and Debtor hereby directs the issuer of any such policy to pay 
any such moneys directly to Secured Party.  Both before and after the 
occurrence of an Event of Default, Secured Party may (but need not) in its 
own name or in Debtor's name, execute and deliver proofs of claim, receive 
all such moneys, endorse checks and other instruments representing payment of
such moneys, and adjust, litigate, compromise or release any claim against
the issuer of any such policy.


 7.  Events of Default.  Each of the following occurrences shall constitute 
an event of default under this Agreement (herein called "Event of Default"): 
Debtor shall fail to pay any or all of the Obligations when due or (if 
payable on demand) on demand, or shall fail to observe or perform any 
covenant or agreement herein binding on it; 
(i) any representation or warranty by Debtor set forth in this Agreement or 
made to Secured Party in any financial statements or reports submitted to 
Secured Party by or on behalf of Debtor shall prove materially false or 
misleading; a garnishment, summons or a writ of attachment shall be issued 
against or served upon the Secured Party for the attachment of any property 
of the Debtor or any indebtedness owing to Debtor; Debtor or any guarantor of
any Obligation shall (A) be or become insolvent (however defined); or (B) 
voluntarily file or have filed against it involuntarily, a petition under 
the United States Bankruptcy Code; or (C) if a corporation, partnership, or 
organization be dissolved or liquidated or if a partnership suffer the death 
of a partner or, if an individual, die; or (D) go out of business; or Secured
Party shall in good faith believe that the prospect of due and punctual 
payment of any or all of the Obligations is impaired.


 8.  Remedies upon Event of Default.  Upon the occurrence of an Event of 
Default under Section 7 and at any time thereafter, Secured Party may 
exercise any one or more of the following rights and remedies: declare all 
unmatured Obligations to be immediately due and payable, and the same shall 
thereupon be immediately due and payable, without presentment or other notice
or demand; exercise and enforce any or a all rights and remedies available 
upon default to a secured party under the Uniform Commercial Code, including 
but not limited to the right to take possession of any Collateral, proceeding
without judicial process or by judicial process (without a prior hearing or 
notice thereof, which Debtor hereby expressly waives), and the right to sell,
lease or otherwise dispose of any or all of the Collateral, and in connection 
therewith, Secured Party may require Debtor to make the Collateral available 
to Secured Party at a place to be designed by Secured Party which is 
reasonably convenient to both parties, and if notice to Debtor of any 
intended disposition of Collateral or any other intended action is required 
by law in a particular instance, such notice shall be deemed commercially 
reasonable if given (in the manner specified in Section 10) at least 10 
calendar days prior to the date of intended disposition or other action; 
exercise or enforce any or all other rights or remedies available to Secured 
Party by law or agreement against the Collateral, against Debtor or against 
any other person or property.  Upon the occurrence of the Event of Default 
described in Section 7(iv)(B), all Obligations shall be immediately due
and payable without demand or notice thereof.  Secured Party is hereby 
granted a nonexclusive, worldwide and royalty-free license to use or 
otherwise exploit all trademarks, trade secrets, franchises, copyrights
and patents of Debtor that Secured Party deems necessary or appropriate to 
the disposition of any Collateral.


 9.  Other Personal Property.  Unless at the time Secured Party takes 
possession of any tangible Collateral, or within seven days thereafter, 
Debtor gives written notice to Secured Party of the existence of any goods, 
paper or other property of Debtor, not affixed to or constituting a part of 
such Collateral, but which are located or found upon or within such 
Collateral, describing such property.  Secured Party shall not be responsible 
or liable to Debtor for any action taken or omitted by or on behalf of 
Secured Party with respect to such property without actual knowledge of the 
existence of any such property or without actual knowledge that it was 
located or to be found upon or within such Collateral.


 10. Miscellaneous.  This Agreement does not contemplate a sale of accounts 
or chattel paper.  Debtor agrees that each provision whose box is checked is 
part of this Agreement.  This Agreement can be waived, modified, amended, 
terminated or discharged, and the Security Interest can be released, only 
explicitly in a writing signed by Secured Party.  A waiver signed by Secured 
Party shall be effective only in the specific instance and for the specific 
purpose given.  Mere delay or failure to act shall not preclude the exercise 
or enforcement of any of Secured Party's rights or remedies.  All rights and 
remedies of Secured Party shall be cumulative and may be exercised singularly 
or concurrently at Secured Party's option, and the exercise or enforcement of
any one such right or remedy shall neither be a condition to nor bar the 
exercise or enforcement of any other.  All notices to be given to Debtor 
shall be deemed sufficiently given if delivered or mailed by registered or 
certified mail, postage prepaid, to Debtor at its address set forth 
above or at the most recent address shown on Secured Party's records.  
Secured Party's duty of care with respect to Collateral in its possession 
(as imposed by law) shall be deemed fulfilled if Secured Party exercises 
reasonable care in physically safekeeping such Collateral or, in the case of 
Collateral in the custody or possession of a bailee or other third person, 
exercises reasonable care in the selection of the bailee or other third 
person, and Secured Party need not otherwise preserve, protect, insure or 
care for any Collateral.  Secured Party shall not be obligated to preserve 
any rights Debtor may have against prior parties, to realize on the 
Collateral at all or in any particular manner or order, or to apply any cash 
proceeds of Collateral in any particular order of application.  This 
Agreement shall be binding upon and inure to the benefit of Debtor and 
Secured Party and their prospective heirs, representatives, successors and 
assigns and shall take effect when signed by Debtor and delivered to Secured
Party, and Debtor waives notice of Secured Party's acceptance hereof.  
Secured Party may execute this Agreement if appropriate for the purpose of 
timing, but the failure of Secured Party to execute this Agreement shall not 
affect or impair the validity or effectiveness of this Agreement.  A carbon, 
photographic or other reproduction of this Agreement or of any financing 
statement signed by the Debtor shall have the same force and effects as the 
original for all purposes of a financing statement.  Except to the extent 
otherwise required by law, this Agreement shall be governed by the internal 
laws of the state named as part of Secured Party's address above.  If any 
provision or application of this Agreement is held unlawful or unenforceable 
in any respect, such illegality or unenforceability shall not affect other
provisions or applications which can be given effect and this Agreement 
shall be construed as if the unlawful or unenforceable provision or 
application had never been contained herein or prescribed hereby. Any 
representations and warranties contained in this Agreement shall survive the 
execution, delivery and performance of this Agreement and the creation and 
payment of the Obligations.  If this Agreement is signed by more than one 
person as Debtor, the term "Debtor" shall refer to each of them separately 
and to both or all of them jointly: all such persons shall be bound both 
severally and jointly with the other(s), and the Obligations shall include 
all debts, liabilities and obligations owed to Secured Party by any Debtor 
solely or by both or several or all Debtors jointly or jointly and severally,
and all property described in Section 1 shall be included as part of the 
Collateral, whether it is owned jointly by both or all Debtors or is owned in
whole or in part by one (or more) of them.  


<PAGE>

                         SUBORDINATION AGREEMENT


     This Agreement executed by Ray E. Dillon, Jr. and Ray E. Dillon, III, 
herein called "Creditors" and Northwest Business Credit, Inc., a Minnesota 
corporation, herein called the "Lender".
                                    
     Data National Corporation, a Colorado corporation ("DNC") presently owes
the Creditors $762,369.00 as evidenced by promissory notes totaling 
$551,400.00.  To induce the Lender to give credit accommodations to Service 
Business Systems, Inc. a Colorado corporation and a wholly-owned
subsidiary of DNC (the "Borrower"), which indebtedness is guarantied by DNC 
pursuant to the terms of a Guaranty By Corporation dated January 3, 1997 
(the "Guaranty"), the Creditors agree as follows:

      1.  Creditors acknowledge that the only source of payment of the 
indebtedness of DNC to either of them is as a result of dividends or other 
distributions or advances from the Borrower to DNC.  Pursuant to the Credit
and Security Agreement dated January 3, 1997 between the Borrower and the 
Lender (the "Credit Agreement"), the Borrower is prohibited from paying 
dividends or  making distributions, advances or debt repayments under certain
circumstances.  Creditors acknowledge that the Borrower has no liability with
respect to DNC's indebtedness to Creditors.  Creditors agree that if DNC 
defaults in the payment of indebtedness owed to Creditors by it, they will 
take no collection action of any kind or nature against DNC, including, 
without limitation, demand of payment of any such indebtedness, suing to 
collect any such indebtedness, or commencing or participating in the 
commencement of any bankruptcy proceeding against DNC if, at the time
thereof, an Event of Default exists under the Credit Agreement or the 
Borrower is precluded pursuant to the terms of the Credit Agreement from 
making dividends, distributions or  advances in the amount then due and
owing to Creditors.  Creditors further agree that they will not accept any 
payments from DNC in excess of the amount of the dividends, distributions, 
advances or debt repayments which the Borrower is permitted to make
pursuant to the Credit Agreement.

      2.  Creditors acknowledge that regardless of any priority otherwise 
available to Creditors by law or agreement, the Lender shall hold a first 
security interest in all collateral ( the "Collateral") of either the
Borrower or DNC securing any amounts owed by DNC to the Creditors, and any 
security interest of Creditors therein shall be and remain fully subordinated
for all purposes to the security interests of the Lender therein. 
Notwithstanding any security interest now held or hereafter acquired by 
Creditors, the Lender may take possession of, sell, dispose of, and otherwise
deal with all or any part of the Collateral, and may enforce any right or 
remedy available to it with respect to the Collateral, all without notice to 
or consent of Creditors except as specifically required by applicable law.  
The Lender shall have no duty to preserve, protect, care for, insure, take 
possession of, collect, dispose of, or otherwise realize upon any of the 
Collateral, and in no event shall the Lender be deemed the Creditors' agent 
with respect to the Collateral. All proceeds received by the Lender with 
respect to any Collateral may be applied, first, to pay or reimburse the 
Lender for all costs and expenses (including reasonable attorneys' fees) 

<PAGE>

incurred by the Lender in connection with the collection of such proceeds, 
and, second, to any indebtedness secured by the Lender's security interest 
in that Collateral in any order that it may choose.  Without the prior 
written consent of the Lender, Creditors will not foreclose or take any 
action against any of the Collateral until all indebtedness of the Borrower 
and DNC to the Lender has been paid in full.

      3.  Any notes or other evidence of indebtedness which have been or 
shall be issued to either Creditor by DNC shall be deposited with the Lender 
or shall be endorsed with a legend reading:

          "Payment of this instrument is subordinated to all debts 
          now or hereafter owed by maker to Norwest Business Credit, 
          Inc., pursuant to the terms of a Subordination Agreement 
          dated January 3, 1997."

      4.  Any funds or property of any kind received by either Creditor in 
violation of this Agreement shall be held in trust by such Creditor and shall
be paid or delivered to the Lender upon demand.

      5.  This Agreement shall be binding upon, and insure either to the 
benefit of, Creditors and the Lender and their respective personal 
representatives, heirs, successors and assigns.

      6.  Notice of acceptance by the Lender of this Agreement is hereby 
waived by Creditors, and this Agreement and all of the terms and provisions 
hereof shall be immediately binding upon Creditors from the date of execution
hereof.

      7.  This Agreement may be executed in counterparts, each of which shall
be deemed to be an original, but all of which together shall constitute one 
and the same instrument.

Executed this 3rd day of January, 1997.


                                                                        
BY(Signature)                           /s/Ray E. Dillon, Jr.


                                                                        
BY(Signature)                           /s/Ray E. Dillon, III




<PAGE>
                               ASSIGNMENT


     This Assignment is made this 3rd day of January, 1997, by and between 
Data National Corporation ("DNC") and Service Business Systems, Inc. ("SBS").

                                Recitals
                                --------

     SBS is in the business of providing certain information services to 
corporations and other customers.  Certain of the contracts pursuant to which
SBS provides such services are in the name of, or payments under such 
contracts are made to, DNC.

     Since the services under such contracts are performed by SBS, DNC has 
agreed to assign all of its right, title and interest in such contracts and 
rights of payments to SBS.

     NOW, THEREFORE, in consideration of the premises and the mutual promises
herein contained, DNC does hereby assign and transfer to SBS all of its 
right, title and interest in and to any contracts for the provision of 
information services and any rights to payment under such contracts to SBS.

(Registrant)                              DATA NATIONAL CORPORATION

BY(Signature)                             /s/Donald V. Warriner
(Name and Title)                          Donald V. Warriner,
                                          President and CEO



                                          SERVICES BUSINESS SYSTEMS, INC.

BY(Signature)                             /s/Richard S. Simms
(Name and Title)                          Richard S. Simms,
                                          Vice President



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