UNITED AIR SPECIALISTS INC /OH/
10-Q, 1997-02-14
INDUSTRIAL & COMMERCIAL FANS & BLOWERS & AIR PURIFING EQUIP
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<PAGE>   1
                UNITED STATES SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                       ----------------------------------

                                    FORM 10-Q

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

        For the quarterly period ended December 31, 1996.

                                        OR

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

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

                     Commission File No.       0-25140
                                        --------------------

                       UNITED AIR SPECIALISTS, INC.
          (Exact name of registrant as specified in its charter)

Ohio                                                       34-1008092
(State or other jurisdiction of                         (I.R.S. Employer
incorporation or organization)                        Identification No.)

4440 Creek Road
Cincinnati, Ohio                                                   45242
(Address of principal executive offices)                      (Zip Code)

        Registrant's telephone number, including area code (513) 891-0400

                              Not Applicable
- -------------------------------------------------------------------------------
Former name, former address and former fiscal year, if changed since last
report.

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

The number of shares outstanding as of February 10, 1997 was 2,920,078 shares of
common stock, no par value.

<PAGE>   2

               UNITED AIR SPECIALISTS, INC. AND SUBSIDIARIES

                                   INDEX
                                   -----
<TABLE>
<CAPTION>
                                                                         PAGE NUMBER
                                                                         -----------
<S>      <C>                                                               <C>
PART I    FINANCIAL INFORMATION
          ---------------------

     Item 1.  Financial Statements

          Consolidated Balance Sheets as of December 31,
               1996 and June 30, 1996 ....................................   3-4

          Consolidated Statements of Income for the three
               and six months ended December 31, 1996
               and 1995 ..................................................     5

          Consolidated Statements of Cash Flows for the
               three and six months ended December 31,
               1996 and 1995 .............................................     6

          Notes to Consolidated Financial Statements .....................   7-9

     Item 2.  Management's Discussion and Analysis of
               Financial Condition and Results of
               Operations ................................................ 10-14

PART II   OTHER INFORMATION
          -----------------

     Item 1.  Legal Proceedings
     Item 2.  Changes in Securities
     Item 3.  Defaults upon Senior Securities
     Item 4.  Submission of Matters to a Vote of Security
               Holders ................................................... 15-16
     Item 5.  Other Information

     Item 6.  Exhibits and Reports on Form 8-K ........................... 16-17

SIGNATURES ...............................................................    18
</TABLE>


                                       2

<PAGE>   3



                UNITED AIR SPECIALISTS, INC. AND SUBSIDIARIES

                        PART I - FINANCIAL INFORMATION
                        ------------------------------

                         CONSOLIDATED BALANCE SHEETS

                                    ASSETS
                                    ------
                                 (Unaudited)
<TABLE>
<CAPTION>
                                                                   December 31,           June 30,
                                                                       1996                 1996
                                                                   ------------         ------------
<S>                                                                <C>                  <C>         
CURRENT ASSETS:
   Cash                                                            $  1,556,743         $  1,441,294
   Accounts receivable, less allowance for doubtful
     accounts of $200,000 at December 31, 1996
     and $250,000 at June 30, 1996                                    6,082,294            5,940,014
   Inventories                                                        7,020,640            6,781,477
   Prepaid expenses and other                                           424,683              610,378
   Future tax benefit                                                   633,015              633,015
                                                                   ------------         ------------
        Total current assets                                         15,717,375           15,406,178
                                                                   ------------         ------------


PROPERTY, PLANT AND EQUIPMENT:
   Land and land improvements                                           707,741              686,512
   Buildings and leasehold improvements                               4,855,019            4,616,252
   Machinery, equipment and furniture                                 7,007,731            6,819,794
   Autos and trucks                                                     928,173              881,625
   Construction in progress                                             184,057               96,264
                                                                   ------------         ------------
                                                                     13,682,721           13,100,447

   Less: accumulated depreciation and amortization                   (7,773,873)          (7,291,150)
                                                                   ------------         ------------      

                                                                      5,908,848            5,809,297
                                                                   ------------         ------------
OTHER ASSETS:
   Intangibles, net of accumulated amortization of $384,526
     at December 31, 1996 and $360,415 at June 30, 1996                 378,550              402,661
   Other, net                                                           342,255              433,413
                                                                   ------------         ------------
                                                                   $ 22,347,028         $ 22,051,549
                                                                   ============         ============
</TABLE>

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

                                       3

<PAGE>   4


                UNITED AIR SPECIALISTS, INC. AND SUBSIDIARIES

                         CONSOLIDATED BALANCE SHEETS

                   LIABILITIES AND SHAREHOLDERS' INVESTMENT
                   ----------------------------------------
                                 (Unaudited)
<TABLE>
<CAPTION>
                                                          December 31,          June 30,
                                                              1996                1996
                                                           -----------        ------------
<S>                                                        <C>                <C>         
CURRENT LIABILITIES:
   Current portion of long-term obligations                    916,795             697,477
   Accounts payable                                          2,060,727           2,078,852
   Accrued expenses                                          1,474,319           2,418,636
   Accrued payroll                                             347,096             585,342
   Accrued commissions                                         279,288             323,754
   Income taxes payable                                        745,552             519,963
                                                           -----------        ------------

              Total current liabilities                      5,823,777           6,624,024
                                                           -----------        ------------
LONG-TERM OBLIGATIONS, less current portion
     shown above:
   Industrial Revenue Bonds                                  2,488,750           2,606,250
   Borrowings under lines of credit                          3,800,000           3,875,000
   Other                                                     1,250,831             651,927
                                                           -----------        ------------

                                                             7,539,581           7,133,177
                                                           -----------        ------------

DEFERRED INCOME TAXES                                          270,169             270,169
                                                           -----------        ------------
SHAREHOLDERS' INVESTMENT:
   Common stock, no par value, authorized 4,000,000
     shares; 2,920,078 and 2,912,265 shares
     outstanding at December 31, 1996 and
     June 30, 1996, respectively; stated at                    966,399             963,266
   Retained earnings                                         7,587,493           7,148,249
   Cumulative translation adjustment                           159,609             (87,336)
                                                           -----------        ------------
                                                             8,713,501           8,024,179
                                                           -----------        ------------
                                                           $22,347,028        $ 22,051,549
                                                           ===========        ============
</TABLE>

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


                                       4

<PAGE>   5


                UNITED AIR SPECIALISTS, INC. AND SUBSIDIARIES

                      CONSOLIDATED STATEMENTS OF INCOME
                                 (Unaudited)
<TABLE>
<CAPTION>
                                        Three Months Ended                        Six Months Ended
                                          December 31,                               December 31,
                                     1996                 1995                 1996                 1995
                                  -----------         ------------         ------------         ------------
<S>                               <C>                 <C>                  <C>                  <C>         
NET SALES                         $ 9,735,299         $ 10,959,182         $ 19,470,290         $ 20,852,530

COST OF SALES                       6,591,838            7,206,883           12,992,388           13,809,854
                                  -----------         ------------         ------------         ------------
   Gross Profit                     3,143,461            3,752,299            6,477,902            7,042,676

SELLING, GENERAL AND
   ADMINISTRATIVE EXPENSES          2,841,100            2,808,128            5,613,098            5,450,080
                                  -----------         ------------         ------------         ------------
   Income from operations             302,361              944,171              864,804            1,592,596

OTHER INCOME(EXPENSE):
   Interest expense                  (155,435)            (172,951)            (299,015)            (352,640)
   Interest income                      6,993                2,057                6,540                3,683
   Other                               79,228             (146,141)             113,303             (191,550)
                                  -----------         ------------         ------------         ------------
   Income before provision
     for income taxes                 233,147              627,136              685,632            1,052,089

PROVISION FOR INCOME TAXES             89,147              250,136              265,632              421,089
                                  -----------         ------------         ------------         ------------
   Net income                     $   144,000         $    377,000         $    420,000         $    631,000
                                  ===========         ============         ============         ============
WEIGHTED AVERAGE SHARES
   OUTSTANDING                      3,187,759            3,122,569            3,186,295            3,109,414
                                  ===========         ============         ============         ============
EARNINGS PER COMMON AND
   COMMON EQUIVALENT
   SHARE                          $       .05         $        .12         $        .13         $        .20
                                  ===========         ============         ============         ============

</TABLE>

The accompanying notes are an integral part of these consolidated statements.


                                       5
<PAGE>   6


                UNITED AIR SPECIALISTS, INC. AND SUBSIDIARIES

                     Consolidated Statements of Cash Flow
                                 (Unaudited)
<TABLE>
<CAPTION>
                                                                                Six Months Ended
                                                                                  December 31,
                                                                            1996                1995
                                                                         -----------         -----------
<S>                                                                      <C>                 <C>        
CASH FLOWS FROM OPERATING ACTIVITIES:
   Net income                                                            $   420,000         $   631,000
   Adjustments to reconcile to net cash provided by operating
          activities:
     Depreciation and amortization                                           471,698             450,572
     Net increase in receivables                                             (28,552)           (579,791)
     Net increase(decrease) in allowance for doubtful accounts               (50,000)            147,300
     Net decrease(increase) in inventories                                  (140,774)             25,981
     Net decrease in accounts payable                                        (32,894)            (90,511)
     Net increase(decrease) in accrued expenses                           (1,023,534)            627,741
     Other                                                                    96,583              45,169
                                                                         -----------         -----------
               Net cash provided by(used in) operations                     (287,473)          1,257,461
                                                                         -----------         -----------
CASH FLOWS FROM INVESTING ACTIVITIES:
   Fixed asset additions                                                    (408,690)           (463,332)
   Fixed assets retired                                                      155,684             118,049
                                                                         -----------         -----------
               Net cash used in investing activities                        (253,006)           (345,283)
                                                                         -----------         -----------
CASH FLOWS FROM FINANCING ACTIVITIES:
   Repayment of Industrial Revenue Bonds                                    (105,000)            (95,000)
   Decrease in lines of credit                                               (75,000)           (120,000)
   Proceeds from Key Term Loan                                             1,000,000                  -- 
   Repayment of foreign notes payable                                       (173,381)           (183,777)
   Decrease in long-term obligations                                         (61,037)           (104,715)
   Common stock issued                                                        22,377              85,064
                                                                         -----------         -----------
               Net cash provided by(used in) financing activities            607,959            (418,428)
                                                                         -----------         -----------
               Net increase in cash                                           67,480             493,750

   Effect of foreign currency translation adjustment on cash                  47,968             (12,190)

CASH, beginning of period                                                  1,441,294             816,599
                                                                         -----------         -----------
CASH, end of period                                                      $ 1,556,743         $ 1,298,159
                                                                         ===========         ===========
SUPPLEMENTAL DISCLOSURE OF CASH FLOW
   INFORMATION:
   Cash paid for interest                                                $   296,900         $   339,100
                                                                         ===========         ===========
   Cash paid for taxes                                                   $    29,600         $    42,200
                                                                         ===========         ===========
</TABLE>

The accompanying notes are an integral part of these consolidated statements.

                                       6
<PAGE>   7


               UNITED AIR SPECIALISTS, INC. AND SUBSIDIARIES

                NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                                (Unaudited)

(1)  Basis of Presentation
     ---------------------

     The consolidated financial statements included herein have not been
     examined by independent public accountants, but include all adjustments
     (consisting of normal recurring entries) which are, in the opinion of
     management, necessary for a fair statement of the results for such periods.

     Certain information and footnote disclosures normally included in financial
     statements prepared in accordance with generally accepted accounting
     principles have been omitted pursuant to the requirements of the Securities
     and Exchange Commission, although the Company believes that the disclosures
     included in these financial statements are adequate to make the information
     not misleading.

     It is suggested that these consolidated financial statements be read in
     conjunction with the consolidated financial statements and notes thereto
     included in the Company's latest Form 10-K.

     The results of operations for the interim periods are not necessarily
     indicative of the results to be expected for the year.

(2)  Inventories
     -----------

     Inventories are comprised of the following:
<TABLE>
<CAPTION>
                       December 31,        June 30,
                          1996              1996
                       -----------       ----------
<S>                    <C>               <C>       
Raw materials          $3,929,685        $3,806,271
Work-in-process         2,351,077         2,186,387
Finished goods            739,878           788,819
                       ----------        ----------
                       $7,020,640        $6,781,477
                       ==========        ==========
</TABLE>


                                       7
<PAGE>   8

(3)  Income Taxes
     ------------

     The provisions for income taxes were computed at the estimated annualized
     effective tax rates utilizing current tax law in effect.

(4)  Earnings Per Common and Common Equivalent Share
     -----------------------------------------------

     Earnings per common and common equivalent share are based on the weighted
     average number of common and common equivalent shares outstanding during
     each period, increased by the effect of dilutive stock options as computed
     applying the treasury stock method. All data with respect to earnings per
     common and common equivalent share and weighted average number of shares
     outstanding have been retroactively adjusted to reflect a five-for-four
     stock split which became effective on February 2, 1996.

(5)  Pending Merger
     --------------

     On September 24, 1996, the Company announced that it had signed a
     definitive agreement to merge with CLARCOR Inc., a manufacturer of
     filtration and packaging products. The Company's Board of Directors has
     approved the transaction which will involve an exchange of stock. Each
     share of the Company's stock will be exchanged for .3702116 shares of
     CLARCOR common stock. The exchange rate is subject to adjustment based upon
     the number of fully diluted shares of the Company's common stock
     outstanding at the closing. The completion of this transaction is subject
     to shareholder and regulatory approval. A special meeting of shareholders
     will be held on February 14, 1997 at 10:00 a.m. to vote on this matter.

(6)  New Debt Agreements
     -------------------

     On November 15, 1996, the Company entered into both a new revolving credit
     agreement as well as a new term loan agreement with KeyBank National
     Association ("Key"). The proceeds from these agreements were used to retire
     the existing credit lines the Company had with both Key and Star Bank
     National Association ("Star").

     Under the terms of the new revolving credit agreement, the Company has the
     right, subject to certain restrictions, to borrow up to $6 million. The
     agreement allows the Company to fix the interest rate, for a specified
     amount of the outstanding balance, at the London InterBank Offering Rate
     (LIBOR) plus 225 basis points. This specified amount must remain fixed for
     a 30-day period. Currently, the Company has $2.75 million fixed at LIBOR
     plus 225 basis point rate of 7.8125%. The remaining amount outstanding
     during the 30-day period carry an interest rate equal to the prime rate,
     which 


                                       8
<PAGE>   9


     at December 31, 1996 is 8.25%. There is an annual commitment fee of 3/8% on
     the unused portions of the line of credit. The Company may borrow, repay
     and reborrow under this revolving credit agreement at any time. This credit
     agreement automatically converts into a special two-year term loan if Key
     notifies the Company at least 30 days in advance of the maturity date of
     its intention not to extend the maturity date. The current maturity date is
     November 15, 1997. This revolving credit agreement is unsecured.

     Under the terms of the new term loan agreement, the Company has borrowed $1
     million with an agreement to repay the note in quarterly installments of
     $50,000 plus interest over a five-year period. The final payment is due on
     August 15, 2001. The interest rate for this agreement is a floating rate
     equal to LIBOR plus 225 basis points. The rate at December 31, 1996 on this
     loan is 7.8125%. This loan agreement is also unsecured.

     In connection with these debt agreements, the Company has agreed, among
     other things, (i) not to exceed certain limits in dividend payments; (2) to
     maintain certain working capital levels and meet certain financial ratio
     requirements; (3) not to exceed certain limits in annual capital
     expenditures; and (4) to limit additional indebtedness.



                                       9
<PAGE>   10


                    MANAGEMENT'S DISCUSSION AND ANALYSIS OF
                 FINANCIAL CONDITION AND RESULTS OF OPERATIONS

RESULTS OF OPERATIONS - SECOND QUARTER 1997 COMPARED TO SECOND QUARTER 1996

Net sales decreased $1,224,000, or about 11%, during the three-month period
ended December 31, 1996 from the $10,960,000 reported during the three-month
period ended December 31, 1995. This decrease is the combined effect of a 9%
decrease in Air Quality Division (AQD) sales and a 25% decrease in Applied
Electrostatics Division (AED) sales. In general, this sales decrease is due
primarily to a surge in sales volume during the three-month period ending
December 31, 1995. This higher shipment volume was the result of improved
production efficiencies at the Cincinnati manufacturing facility leading to a
higher rate of shipments as the order backlog was reduced. The current rate of
new orders is actually ahead of last year; however, the higher growth rate of
new orders in the second quarter of fiscal year 1997 did not exceed the benefit
realized from the surge of shipments during the second quarter of fiscal year
1996.

The decrease in AQD sales is also due to general market softness resulting in a
decrease in net sales of our domestic engineered air pollution control systems,
a decrease in net sales to the Pacific Rim (i.e., primarily Japan), and a
decrease in net sales, as expressed in U.S. dollars, of air cleaning equipment
in the UK. Additionally, the decrease in UK sales is primarily attributable to
the loss of a significant customer. It is anticipated that the loss of this
customer will further depress sales in the UK during the remainder of fiscal
year 1997. Management expects to offset the majority of these losses through the
introduction of the Dust-Hog(R) product line to the European marketplace,
further sales increases in domestic AQD, and a new product introduction
scheduled for the fourth quarter of fiscal year 1997.

The decrease in AED sales is also due to a 43% decrease in the sales of
TotalStat(R) high precision electrostatic spraying systems from the same quarter
last year. This decrease is primarily due to both a downturn in foreign sales
and a restructuring of the sales department for this product line during the
fourth quarter of fiscal year 1996 through the first quarter of fiscal year
1997. The second quarter of fiscal year 1997 has seen increases in the rate of
new orders; however, due to the relatively long lead times, shipments of these
orders will not begin until midway through the third quarter of fiscal year
1997.

The Company's gross profit, as a percentage of net sales, decreased during the
second fiscal quarter of 1997 to 32.3% from 34.2% during the second fiscal
quarter of 1996. This decrease is due to an unfavorable shift in sales mix from
highly-engineered custom products to less engineered, more standard products. In
addition, the sales lease-back of our new turret press was finalized in December
1995. Therefore, about $50,000 of rental payments are included in 


                                       10
<PAGE>   11

overhead during the second quarter of fiscal year 1997 as compared to no such
costs in the second quarter of fiscal year 1996.

Selling, general and administrative expenses increased during the second fiscal
quarter of 1997 by $33,000, or about 1%. This increase is due primarily to
selling expenses increasing by $145,000, or about 8%, while general and
administrative expenses decreased by $112,000, or about 12%. The increase in
selling expenses is due primarily to increases in operating expenses to improve
the domestic distribution of our core products. These expenses to date have been
primarily spent to hire new staff in order to manage the various segments of our
distribution network. The decrease in general and administrative expenses is due
primarily to lower provisions for both employee profit sharing and bonus plans
due to the lower level of profitability during the three-month period ending
December 31, 1996.

Lower interest costs are due primarily to the repayment of the UK mortgage
during May, 1996. Other non-operating expense decreased by $225,000 from an
expense of $146,000 during the second quarter of fiscal year 1996 to an income
of $79,000 in the second quarter of fiscal year 1997. This decrease in operating
expense is due primarily to the litigation provisions recorded during the second
quarter of fiscal year 1996 of $155,000. No similar provisions or amounts were
recorded during the second quarter of fiscal year 1997.

The Company's effective tax rate of 38.2% for the second quarter of fiscal year
1997 is slightly lower than the effective tax rate of 39.9% for the second
quarter of fiscal year 1996. This decrease is due to the effects of tax credits
and annual carry-forwards offset by the effects of foreign, state and local
income taxes.

RESULTS OF OPERATIONS - FIRST SIX MONTHS 1997 COMPARED TO FIRST SIX MONTHS 1996

Net sales decreased $1,382,000, or about 7%, during the six-month period ended
December 31, 1996 from the $20,853,000 reported during the six-month period
ended December 31, 1995. This decrease is the combined effect of a 5% decrease
in Air Quality Division (AQD) sales and a 20% decrease in Applied Electrostatics
Division (AED) sales. In general, this sales decrease is due primarily to a
surge in sales volume during the six-month period ending December 31, 1995. This
higher shipment volume was the result of improved production efficiencies at the
Cincinnati manufacturing facility leading to a higher rate of shipments as the
order backlog was reduced. The current rate of new orders is actually ahead of
last year; however, the higher growth rate of new orders in the first half of
fiscal year 1997 did not exceed the benefit realized from the surge of shipments
during the first half of fiscal year 1996.

The decrease in AQD sales is also due to general market softness resulting in a
decrease in net sales of our domestic engineered air pollution control systems,
a decrease in net sales to the Pacific Rim (i.e., primarily Japan), and a
decrease in net sales, as expressed in U.S. dollars, of air cleaning equipment
in the UK. Additionally, the decrease in UK sales is primarily 


                                       11
<PAGE>   12

attributable to the loss of a significant customer. It is anticipated that the
loss of this customer will further depress sales in the UK during the remainder
of fiscal year 1997. Management expects to offset the majority of these losses
through the introduction of the Dust-Hog(R) product line to the European
marketplace, further sales increases in domestic AQD, and a new product
introduction scheduled for the fourth quarter of fiscal year 1997. In addition,
the German branch reported a decrease in net sales of 10% from the same period
last year, attributable primarily to volume.

The decrease in AED sales is also due to a 36% decrease in the sales of
TotalStat(R) high precision electrostatic spraying systems from the same period
last year. This decrease is primarily due to both a downturn in foreign sales
and a restructuring of the sales department for this product line during the
fourth quarter of fiscal year 1996 through the first quarter of fiscal year
1997. The six-month period ending December 31, 1996 has seen increases in the
rate of new orders; however, due to the relatively long lead times, shipments of
these orders will not begin until midway through the third quarter of fiscal
year 1997.

The Company's gross profit, as a percentage of net sales, decreased during the
six-month period ending December 31, 1996 to 33.3% from 33.8% during the
six-month period ending December 31, 1995. This decrease is due to an
unfavorable shift in sales mix from highly-engineered custom products to
less-engineered, more standard products. In addition, the sales lease-back of
our new turret press was finalized in December 1995. Therefore, about $100,000
of rental payments are included in overhead during six-month period ending
December 31, 1996 as compared to no such costs in the six-month period ending
December 31, 1995.

Selling, general and administrative expenses increased during the six-month
period ended December 31, 1996 by $163,000, or about 3%. This increase is due
primarily to selling expenses increasing by $295,000, or about 8%, while general
and administrative expenses decreased by $132,000, or about 7%. The increase in
selling expenses is due primarily to increases in operating expenses to improve
the domestic distribution of our core products. These expenses to date have been
primarily spent to hire new staff in order to manage the various segments of our
distribution network. The decrease in general and administrative expenses is due
primarily to lower provisions for both employee profit sharing and bonus plans
due to the lower level of profitability during the six-month period ending
December 31, 1996.

Lower interest costs are due primarily to the repayment of the UK mortgage
during May, 1996. Other non-operating expense decreased by $305,000 from an
expense of $192,000 during the six-month period ending December 31, 1995 to an
income of $113,000 in the six-month period ending December 31, 1996. This
decrease in operating expense is due primarily to the litigation provisions
recorded during the six-month period ending December 31, 1995 of $250,000. No
similar provisions or amounts were recorded during the six-month period ending
December 31, 1996.

The Company's effective tax rate of 38.7% for the six-month period ended
December 31, 1996 



                                       12
<PAGE>   13

is slightly lower than the effective tax rate of 40.0% for the six-month period
ended December 31, 1995. This decrease is due to the effects of tax credits and
annual carry-forwards offset by the effects of foreign, state and local income
taxes.

LIQUIDITY AND CAPITAL RESOURCES

At December 31, 1996, the Company had cash of $1,557,000 and working capital of
$9,894,000. Trade accounts receivable increased by $142,000, or 2%, while
inventories also increased by $239,000, or 4%, as compared to June 30, 1996. The
increase in inventories is primarily due to increasing stocking levels of
various sub-components to eliminate "bottlenecks" between various departments in
the Cincinnati production facility. These "buffer" stocks are designed to
improve the flow of goods through assembly areas in a more orderly fashion.
Accounts payable decreased by $18,000, or 1%. Accrued expenses decreased by
$944,000, or 39%, due primarily to the cash payment of both the settlement of
the Quaker/Haas lawsuit in August, 1996 and the national sales meeting that was
held at the end of September, 1996.

The Company entered into an agreement with Symix, Inc. in May, 1996 to provide a
management information software package and related hardware for a total of
$890,000. In September, 1996, the Company entered into a sales lease-back
agreement with KeyCorp Leasing Ltd. for approximately $519,000. In December,
1996, the Company entered into a second sales lease-back agreement with KeyCorp
Leasing Ltd. for approximately $181,000. This lease has been structured as an
operating lease. It is expected that the remaining $190,000 of the management
information system project will also be financed through an operating lease
agreement with KeyCorp Leasing, Ltd. This remaining portion is expected to be
financed during the third quarter of fiscal year 1997.

In November, 1996, the Company entered into a $6,000,000 revolving line of
credit and a $1,000,000 five-year term loan with Key Bank. The proceeds from
these loans were used to retire the existing credit lines with Key Bank
(formerly Society National Bank) and Star Bank. The $1,000,000 term loan
requires quarterly principal payments of $50,000 and carries a floating interest
rate of LIBOR (i.e., London InterBank Offering Rate) plus 2.25%. The interest
rate at December 31, 1996 was 7.8125%. The revolving line of credit allows the
company to fix a portion of the outstanding amount at an interest rate of LIBOR
plus 2.25% while the remainder of the outstanding amount has an interest rate
set at prime. At December 31, 1996, the Company had $2,750,000 fixed at the
LIBOR plus 2.25% rate (or 7.8125%) and $1,050,000 floating at the prime rate of
interest (or 8.25%). The unused portion available to the Company under this
credit facility was $2,043,000 at December 31, 1996 which has been reduced by
outstanding letters of credit of approximately $157,000.

Cash flows from operations, as well as the Company's existing lines of credit,
are expected to fund working capital needs over the next twelve months.




                                       13
<PAGE>   14

EFFECTS OF INFLATION

The Company's results of operations have not been significantly affected by
inflation during the past three fiscal years. Selling prices for the Company's
products have risen slightly while moderate increases in the cost of direct
labor and purchased materials generally have been offset by production
efficiencies.

MANAGEMENT'S OUTLOOK

Management of the Company is generally optimistic about the prospects for fiscal
year 1997. The Company's fiscal 1997 plan currently calls for significant
investments to improve the distribution of its core products and to capitalize
on various product and market opportunities. In the short term, incremental
operating expenses will be recognized to accomplish these objectives.

The Company expects that the effects of such increased expenses will cause
operating results for fiscal 1997 to be below the results obtained in fiscal
1996. The Company anticipates, however, that the investments being made in
fiscal 1997 will improve both the Company's sales and operating income in fiscal
1998, although there can be no assurances in this regard.

The statements in the preceding two paragraphs and the second and ninth
paragraphs of this Management's Discussion and Analysis are forward-looking and
involve a number of risks and uncertainties. The factors that could cause actual
results to differ materially include the following: the timing of costs relating
to stepped-up marketing efforts; the effects of those efforts; the ability to
achieve targeted cost savings; a general softening of the economy; competitive
factors and pricing pressures; and risk factors listed from time to time in the
Company's reports filed with the Securities and Exchange Commission.





                                       14
<PAGE>   15


               UNITED AIR SPECIALISTS, INC. AND SUBSIDIARIES

                        PART II - OTHER INFORMATION
                        ---------------------------

Item 1.   Legal Proceedings - Not Applicable
          -----------------

Item 2.   Changes in Securities - Not Applicable
          ---------------------

Item 3.   Defaults Upon Securities - Not Applicable
          ------------------------

Item 4.   Submission of Matters to a Vote of Security Holders -
          ---------------------------------------------------

          (a)  The 1996 Annual Meeting of Shareholders of United Air
               Specialists, Inc. (the "Meeting") was held on November 13, 1996.
               The holders of 2,351,464 shares of the Company's 2,912,265 then
               outstanding shares of common stock (approximately 81%) were
               present at the Meeting in person or by proxy.

          (b)  At such Meeting, the following five individuals were duly
               nominated and properly elected as Directors of the Company to
               serve until the 1996 Annual Meeting of Shareholders and until
               their successors are elected and qualified - D. G. Rorie, Jr., W.
               A. Cheney, William Tillinghast, David F. Herche and George T.
               Rehfeldt. The number of votes cast for, against and withheld with
               respect to each nominee for office, as well as broker non-votes,
               are indicated below:

                    D. G. Rorie:
                    ------------

                    Voting For Director           2,347,133  Shares
                    Exception Votes                      -0- Shares
                    Votes Withheld                    4,331  Shares
                    Broker Non-Votes                     -0- Shares

                    William A. Cheney:
                    ------------------

                    Voting For Director           2,347,133  Shares
                    Exception Votes                      -0- Shares
                    Votes Withheld                    4,331  Shares
                    Broker Non-Votes                     -0- Shares



                                       15
<PAGE>   16

                    William Tillinghast:
                    --------------------

                    Voting For Director           2,347,133  Shares
                    Exception Votes                      -0- Shares
                    Votes Withheld                    4,331  Shares
                    Broker Non-Votes                     -0- Shares

                    David F. Herche:
                    ----------------

                    Voting For Director           2,347,133  Shares
                    Exception Votes                      -0- Shares
                    Votes Withheld                    4,331  Shares
                    Broker Non-Votes                     -0- Shares

                    George T. Rehfeldt:
                    -------------------

                    Voting For Director           2,347,133  Shares
                    Exception Votes                      -0- Shares
                    Votes Withheld                    4,331  Shares
                    Broker Non-Votes                     -0- Shares

          (c)  At such Meeting, a proposal to ratify the appointment of the firm
               of Arthur Andersen LLP to serve as independent auditors for the
               Company for fiscal year 1997 was approved. The number of votes
               cast for, against and to abstain, as well as broker non-votes,
               are indicated below:

                    Voting For Arthur Andersen    2,348,608  Shares
                    Against                             750  Shares
                    Abstain                           2,106  Shares
                    Broker Non-Votes                     -0- Shares

Item 5.   Other Information - Not Applicable
          -----------------

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

          (a)  Exhibits -

               10.1(1)   Amended and Restated Promissory Note of the Company to
                         KeyBank National Association dated as of November 15,
                         1996 in the principal amount of $1,000,000



                                       16
<PAGE>   17

               10.1(2)   Amended and Restated Promissory Note of the Company to
                         KeyBank National Association dated as of November 15,
                         1996 in the principal amount of $6,000,000

               10.1(3)   Amended and Restated Loan Agreement between the Company
                         and KeyBank National Association dated as of November
                         15, 1996

               10.1(4)   Amendment No. 5 dated as of November 15, 1996 between
                         the Company and KeyBank National Association

               10.1(5)   Amendment No. 1 dated as of November 15, 1996 between
                         United Air Specialists, Inc.-Deutschland Branch and
                         KeyBank National Association

               27        Financial Data Schedule

          (b)  Reports on Form 8-K - None



                                       17
<PAGE>   18


                                SIGNATURES

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

                                       UNITED AIR SPECIALISTS, INC.

Date:  February 14, 1997               By: /s/ Durwood G. Rorie, Jr.
     ---------------------                ------------------------------------
                                          Durwood G. Rorie, Jr., President and
                                          Chief Executive Officer

Date:  February 14, 1997               By: /s/ William M. Rehl, III
     ---------------------                ------------------------------------
                                          William M. Rehl, III, V.P.-Finance/
                                          Chief Financial & Accounting Officer


                                       18
<PAGE>   19


                             INDEX TO EXHIBITS

                                                               Sequentially 
                                                                 Numbered   
Exhibit No.                 Description                            Page     
- -----------                 -----------                            ----     

10.1           1)   Amended and Restated Promissory Note 
                    of the Company to KeyBank National   
                    Association dated as of November 15, 
                    1996 in the principal amount of      
                    $1,000,000                           

               2)   Amended and Restated Promissory Note
                    of the Company to KeyBank National
                    Association dated as of November 15,
                    1996 in the principal amount of
                    $6,000,000

               3)   Amended and Restated Loan Agreement
                    between the Company and KeyBank
                    National Association dated as of
                    November 15, 1996

               4)   Amendment No. 5 dated as of November
                    15, 1996 between the Company and
                    KeyBank National Association

               5)   Amendment No. 1 dated as of November
                    15, 1996 between United Air
                    Specialists, Inc.-Deutschland Branch
                    and KeyBank National Association

27             Financial Data Schedule


                           19



<PAGE>   1
                                                                 EXHIBIT 10.1(1)

                          UNITED AIR SPECIALISTS, INC.

                              AMENDED AND RESTATED

                                PROMISSORY NOTE

 $1,000,000                                       Dated as of November 15, 1996


     FOR VALUE RECEIVED, the undersigned, UNITED AIR SPECIALISTS, INC., an Ohio
corporation (hereinafter, together with its successors in title and assigns,
called the "Borrower"), by this promissory note (hereinafter called this
"Note"), absolutely and unconditionally promises to pay to the order of KeyBank
National Association, a national banking association (hereinafter, "Bank"), the
principal sum of One Million Dollars ($1,000,000), such payment to be made as
hereinafter provided, and to pay interest on the principal sum outstanding
hereunder from time to time from the date hereof until the said principal sum
or the unpaid portion thereof shall have become due and payable as hereinafter
provided.

     The unpaid principal under this Note shall bear interest at the rate or
rates (the "Applicable Rate") from time to time in effect under the Loan
Agreement (as hereinafter defined), provided, however, that this Note shall
never bear interest at a rate per annum greater than the maximum rate permitted
by applicable law as the same exists from day to day during the term hereof
(the "Maximum Rate"). If at any time the Applicable Rate shall exceed the
Maximum Rate, thereby causing the interest on this Note to be limited to the
Maximum Rate, then any subsequent reduction in the Applicable Rate shall not
reduce the rate of interest on this Note below the Maximum Rate until the
aggregate amount of interest accrued on this Note equals the aggregate amount
of interest which would have accrued on this Note if the Applicable Rate had at
all times been in effect. Accrued interest on the unpaid principal under this
Note shall be due and payable on the dates provided in the Loan Agreement.

     During the term of this Note payments shall be made to the Bank pursuant
to the terms of the Loan Agreement. Such payments shall be applied to the
indebtedness evidenced hereby as provided in the Loan Agreement.

     On the date of the final maturity of this Note as provided in the Loan
Agreement, there shall become absolutely due and payable by the Borrower
hereunder, and the Borrower hereby promises to pay to the holder hereof, the
balance (if any) of the principal hereof then remaining unpaid, all of the
unpaid interest accrued hereon and all (if any) other amounts payable on or in
respect of this Note or the indebtedness evidenced hereby.


<PAGE>   2



     The Borrower will have the right to prepay the unpaid principal of this
Note in full or in part upon the terms and subject to the conditions contained
in the Loan Agreement. Any partial payment of the indebtedness evidenced by
this Note shall be applied in accordance with the terms of the Loan Agreement.

     Each overdue amount (whether of principal, interest or otherwise) payable
on or in respect of this Note or the indebtedness evidenced hereby shall (to
the extent permitted by applicable law) bear interest at the rates and on the
terms provided by the Loan Agreement. The unpaid interest accrued on each
overdue amount in accordance with the foregoing terms of this paragraph shall
become and be absolutely due and payable by the Borrower to the Holder hereof
on demand by the Holder. Interest on each overdue amount will continue to
accrue as provided by the foregoing terms of this paragraph, and will (to the
extent permitted by applicable law) be compounded until the obligations of the
Borrower in respect of the payment of such overdue amount shall be discharged
(whether before or after judgment).

     Any payment of principal, interest or other sum payable on or in respect
of this Note or the indebtedness evidenced hereby made by the Borrower shall be
made directly to the Holder in U.S. Dollars, at the Bank's Office (as
hereinafter defined) or such other place as the Holder may specify, not later
than 3:00 p.m., Cincinnati, Ohio time, on the due date of such payment, and in
immediately available and freely transferable funds. All payments on or in
respect of this Note or the indebtedness evidenced hereby shall be made without
set-off or counterclaim and free and clear of and without any deduction of any
kind for any taxes, levies, fees, deductions, withholdings, restrictions or
conditions of any nature. Such payment shall be applied to the indebtedness
evidenced hereby as provided in the Loan Agreement.

     The Bank shall, and is hereby irrevocably authorized by the Borrower to,
make in its records, an appropriate notation evidencing advances and repayments
of principal of this Note, provided, however, that failure by the Bank to make
any such notation shall not affect any of the Borrower's obligations in respect
of this Note.

     Absent manifest error, a certificate or statement signed by an authorized
officer of the Bank shall be presumptive evidence of the amount of principal
due and unpaid under this Note as of the date of such certificate or statement.

     This Note is made and delivered by the Borrower to the Bank pursuant to
the Amended and Restated Loan Agreement, dated as of November 15, 1996, among
the Borrower and the Bank (or, if varied or supplemented or amended and
restated from time to time, as so varied or supplemented or amended and
restated, hereinafter

                                     - 2 -


<PAGE>   3



called the "Loan Agreement"). This Note evidences the obligations of the
Borrower (a) to repay the principal amount of the Credit Loans or the Special
Term Loan (as such terms are defined in the Loan Agreement), (b) to pay
interest, as provided herein and in the Loan Agreement, on the principal amount
hereof remaining unpaid from time to time, and (c) to pay other amounts which
may become due and payable hereunder as provided herein and in the Loan
Agreement. The payment of the principal of and the interest on this Note and
the payment of all (if any) other amounts which may become due and payable on
or in respect of this Note have been guaranteed. Reference is hereby made to
the Loan Agreement (including the Exhibits annexed thereto) for a complete
statement of the terms thereof and for a description of such guarantees.

     No reference herein to the Loan Agreement or to any provisions thereof or
to any guarantees of this Note shall impair the obligations of the Borrower,
which are absolute, unconditional and irrevocable, to pay the principal of and
the interest on this Note and to pay all (if any) other amounts which may
become due and payable on or in respect of this Note or the indebtedness
evidenced hereby, strictly in accordance with the terms and the tenor of this
Note.

     All capitalized terms used herein without definition and defined in the
Loan Agreement shall have the same meaning herein as therein unless
specifically defined below. For all purposes of this Note, the following terms
shall have the respective meanings set forth below:

     (a) "Bank's Office" means the office of KeyBank National Association,
located at 525 Vine Street, Cincinnati, Ohio 45202 or such office as may
hereafter be designated by the Bank in writing.

     (b) "Business Day" means a day on which banks are open for business in
Cincinnati, Ohio.

     (c) "Holder" means the Bank in possession of this Note or any other person
who is at the time the lawful holder in possession of this Note.

     Pursuant to, and upon the terms contained in the Loan Agreement, the
entire unpaid principal of this Note, all of the interest accrued on the unpaid
principal of this Note and all (if any) other amounts payable on or in respect
of this Note or the indebtedness evidenced hereby may be declared to be
immediately due and payable, whereupon the entire unpaid principal of this
Note, all of the interest accrued on the unpaid principal of this Note and all
(if any) other amounts payable on or in respect of this Note or the
indebtedness evidenced hereby shall (if not already due and payable) forthwith
become and be due and payable to the Holder of this Note without presentment,
demand, protest,

                                     - 3 -


<PAGE>   4



notice of protest or any other formalities of any kind, all of which are hereby
expressly and irrevocably waived by the Borrower.

     All computations of interest payable as provided in this Note shall be
determined in accordance with the terms of the Loan Agreement.

     Should all or any part of the indebtedness represented by this Note be
collected by action at law, or in bankruptcy, insolvency, receivership or other
court proceedings, or should this Note be placed in the hands of attorneys for
collection after default, the Borrower hereby promises to pay to the Holder of
this Note, upon demand by the Holder hereof at any time, in addition to
principal, interest and all (if any) other amounts payable on or in respect of
this Note or the indebtedness evidenced hereby, all court costs and reasonable
attorneys' fees and all other reasonable collection charges and expenses
incurred or sustained by the Holder.

     The Borrower hereby expressly and irrevocably waives demand, notice of
dishonor, presentment, notice of nonpayment, protest, notice of protest, suit
and all other conditions precedent in connection with the delivery, acceptance,
collection and/or enforcement of this Note or any collateral or security
therefor. The Borrower hereby consents to any extension or postponement of the
time of payment or any other indulgence granted to, and/or to the addition or
release of, any other person or entity directly or contingently liable for the
indebtedness represented hereby and to the addition or release of any
collateral or security given to secure this Note.

     No delay or failure to act on the part of the Bank or the Holder of this
Note in exercising any right hereunder or under the Loan Agreement shall
operate as a waiver of such right or any other right under this Note. A waiver
on any one occasion shall not be construed to be a waiver of any right and/or
remedy on any other occasion.

     This Note and the obligations of the Borrower hereunder shall be governed
by and interpreted and determined in accordance with the internal laws of the
State of Ohio.

                                     - 4 -


<PAGE>   5


     IN WITNESS WHEREOF, this PROMISSORY NOTE has been duly executed by the
undersigned, UNITED AIR SPECIALISTS, INC., on the day and in the year first
above written in Cincinnati, Ohio.

                                            UNITED AIR SPECIALISTS, INC.

Witness:                                    By:    /s/ WILLIAM M. REHL, III
        ------------------------                  --------------------------
                                            Name:   William M. Rehl, III
Witness:                                    Title:  VP Finance
        ------------------------

                                     - 5 -



<PAGE>   1
                                                                 EXHIBIT 10.1(2)

                          UNITED AIR SPECIALISTS, INC.

                              AMENDED AND RESTATED

                                PROMISSORY NOTE

$6,000,000                                       Dated as of November 15, 1996


     FOR VALUE RECEIVED, the undersigned, UNITED AIR SPECIALISTS, INC., an Ohio
corporation (hereinafter, together with its successors in title and assigns,
called the "Borrower"), by this promissory note (hereinafter called this
"Note"), absolutely and unconditionally promises to pay to the order of KeyBank
National Association, a national banking association (hereinafter, the "Bank"),
the principal sum of Six Million Dollars ($6,000,000) or so much thereof as
shall have been advanced by Bank and remain outstanding, such payment to be
made as hereinafter provided, and to pay interest on the principal sum
outstanding hereunder from time to time from the date hereof until the said
principal sum or the unpaid portion thereof shall have become due and payable
as hereinafter provided. Subject to the terms of the Loan Agreement (as
hereinafter defined), the Borrower may borrow, repay and reborrow amounts under
this Note, so long as the total amount outstanding at any one time does not
exceed $6,000,000.

     The unpaid principal under this Note shall bear interest at the rate or
rates (the "Applicable Rate") from time to time in effect under the Loan
Agreement, provided, however, that this Note shall never bear interest at a
rate per annum greater than the maximum rate permitted by applicable law as the
same exists from day to day during the term hereof (the "Maximum Rate"). If at
any time the Applicable Rate shall exceed the Maximum Rate, thereby causing the
interest on this Note to be limited to the Maximum Rate, then any subsequent
reduction in the Applicable Rate shall not reduce the rate of interest on this
Note below the Maximum Rate until the aggregate amount of interest accrued on
this Note equals the aggregate amount of interest which would have accrued on
this Note if the Applicable Rate had at all times been in effect. Accrued
interest on the unpaid principal under this Note shall be due and payable on
the dates provided in the Loan Agreement.

     During the term of this Note payments shall be made to the Bank pursuant
to the terms of the Loan Agreement. Such payments shall be applied to the
indebtedness evidenced hereby as provided in the Loan Agreement.

     On the date of the final maturity of this Note as provided in the Loan
Agreement, there shall become absolutely due and payable by the Borrower
hereunder, and the Borrower hereby promises to pay to the holder hereof, the
balance (if any) of the


<PAGE>   2



principal hereof then remaining unpaid, all of the unpaid interest accrued
hereon and all (if any) other amounts payable on or in respect of this Note or
the indebtedness evidenced hereby.

     The Borrower will have the right to prepay the unpaid principal of this
Note in full or in part upon the terms and subject to the conditions contained
in the Loan Agreement. Any partial payment of the indebtedness evidenced by
this Note shall be applied in accordance with the terms of the Loan Agreement.

     Each overdue amount (whether of principal, interest or otherwise) payable
on or in respect of this Note or the indebtedness evidenced hereby shall (to
the extent permitted by applicable law) bear interest at the rates and on the
terms provided by the Loan Agreement. The unpaid interest accrued on each
overdue amount in accordance with the foregoing terms of this paragraph shall
become and be absolutely due and payable by the Borrower to the Holder hereof
on demand by the Holder. Interest on each overdue amount will continue to
accrue as provided by the foregoing terms of this paragraph, and will (to the
extent permitted by applicable law) be compounded until the obligations of the
Borrower in respect of the payment of such overdue amount shall be discharged
(whether before or after judgment).

     Any payment of principal, interest or other sum payable on or in respect
of this Note or the indebtedness evidenced hereby made by the Borrower shall be
made directly to the Holder in U.S. Dollars, at the Bank's Office (as
hereinafter defined) or such other place as the Holder may specify, not later
than 3:00 p.m., Cincinnati, Ohio time, on the due date of such payment, and in
immediately available and freely transferable funds. All payments on or in
respect of this Note or the indebtedness evidenced hereby shall be made without
set-off or counterclaim and free and clear of and without any deduction of any
kind for any taxes, levies, fees, deductions, withholdings, restrictions or
conditions of any nature. Such payment shall be applied to the indebtedness
evidenced hereby as provided in the Loan Agreement.

     The Bank shall, and is hereby irrevocably authorized by the Borrower to,
make in its records, an appropriate notation evidencing advances and repayments
of principal of this Note, provided, however, that failure by the Bank to make
any such notation shall not affect any of the Borrower's obligations in respect
of this Note.

     Absent manifest error, a certificate or statement signed by an authorized
officer of the Bank shall be presumptive evidence of the amount of principal
due and unpaid under this Note as of the date of such certificate or statement.

                                     - 2 -


<PAGE>   3



     This Note is made and delivered by the Borrower to the Bank pursuant to
the Amended and Restated Loan Agreement, dated as of November 15, 1996, between
the Borrower and the Bank (or, if varied or supplemented or amended and
restated from time to time, as so varied or supplemented or amended and
restated, hereinafter called the "Loan Agreement"). This Note evidences the
obligations of the Borrower (a) to repay the principal amount of the Credit
Loans or the Special Term Loan (as such terms are defined in the Loan
Agreement), (b) to pay interest, as provided herein and in the Loan Agreement,
on the principal amount hereof remaining unpaid from time to time, and (c) to
pay other amounts which may become due and payable hereunder as provided herein
and in the Loan Agreement. The payment of the principal of and the interest on
this Note and the payment of all (if any) other amounts which may become due
and payable on or in respect of this Note have been guaranteed. Reference is
hereby made to the Loan Agreement (including the Exhibits annexed thereto) for
a complete statement of the terms thereof and for a description of such
guarantees.

     No reference herein to the Loan Agreement or to any provisions thereof or
to any guarantees of this Note shall impair the obligations of the Borrower,
which are absolute, unconditional and irrevocable, to pay the principal of and
the interest on this Note and to pay all (if any) other amounts which may
become due and payable on or in respect of this Note or the indebtedness
evidenced hereby, strictly in accordance with the terms and the tenor of this
Note.

     All capitalized terms used herein without definition and defined in the
Loan Agreement shall have the same meaning herein as therein unless
specifically defined below. For all purposes of this Note, the following terms
shall have the respective meanings set forth below:

     (a) "Bank's Office" means the office of KeyBank National Association,
located at 525 Vine Street, Cincinnati, Ohio 45202 or such office as may
hereafter be designated by the Bank in writing.

     (b) "Business Day" means a day on which banks are open for business in
Cincinnati, Ohio.

     (c) "Holder" means the Bank in possession of this Note or any other person
who is at the time the lawful holder in possession of this Note.

     Pursuant to, and upon the terms contained in the Loan Agreement, the
entire unpaid principal of this Note, all of the interest accrued on the unpaid
principal of this Note and all (if any) other amounts payable on or in respect
of this Note or the indebtedness evidenced hereby may be declared to be
immediately due and payable, whereupon the entire unpaid principal of this

                                     - 3 -


<PAGE>   4



Note, all of the interest accrued on the unpaid principal of this Note and all
(if any) other amounts payable on or in respect of this Note or the
indebtedness evidenced hereby shall (if not already due and payable) forthwith
become and be due and payable to the Holder of this Note without presentment,
demand, protest, notice of protest or any other formalities of any kind, all of
which are hereby expressly and irrevocably waived by the Borrower.

     All computations of interest payable as provided in this Note shall be
determined in accordance with the terms of the Loan Agreement.

     Should all or any part of the indebtedness represented by this Note be
collected by action at law, or in bankruptcy, insolvency, receivership or other
court proceedings, or should this Note be placed in the hands of attorneys for
collection after default, the Borrower hereby promises to pay to the Holder of
this Note, upon demand by the Holder hereof at any time, in addition to
principal, interest and all (if any) other amounts payable on or in respect of
this Note or the indebtedness evidenced hereby, all court costs and reasonable
attorneys' fees and all other reasonable collection charges and expenses
incurred or sustained by the Holder.

     The Borrower hereby expressly and irrevocably waives demand, notice of
dishonor, presentment, notice of nonpayment, protest, notice of protest, suit
and all other conditions precedent in connection with the delivery, acceptance,
collection and/or enforcement of this Note or any collateral or security
therefor. The Borrower hereby consents to any extension or postponement of the
time of payment or any other indulgence granted to, and/or to the addition or
release of, any other person or entity directly or contingently liable for the
indebtedness represented hereby and to the addition or release of any
collateral or security given to secure this Note.

     No delay or failure to act on the part of the Bank or the Holder of this
Note in exercising any right hereunder or under the Loan Agreement shall
operate as a waiver of such right or any other right under this Note. A waiver
on any one occasion shall not be construed to be a waiver of any right and/or
remedy on any other occasion.

     This Note and the obligations of the Borrower hereunder shall be governed
by and interpreted and determined in accordance with the internal laws of the
State of Ohio.

                                     - 4 -


<PAGE>   5


     IN WITNESS WHEREOF, this PROMISSORY NOTE has been duly executed by the
undersigned, UNITED AIR SPECIALISTS, INC., on the day and in the year first
above written in Cincinnati, Ohio.

                                           UNITED AIR SPECIALISTS, INC.


Witness:                                   By:    /s/ WILLIAM M. REHL, III
        --------------------------              ---------------------------
                                           Name:      William M. Rehl, III
Witness:                                   Title:     VP Finance
        --------------------------


                                     - 5 -



<PAGE>   1
                                                                 EXHIBIT 10.1(3)


                              AMENDED AND RESTATED
                                 LOAN AGREEMENT

                         DATED AS OF NOVEMBER 15, 1996

                                    BETWEEN

                          UNITED AIR SPECIALISTS, INC.

                                      AND

                          KEYBANK NATIONAL ASSOCIATION


<PAGE>   2



                               TABLE OF CONTENTS

                                                                            Page

ARTICLE I COMMITMENTS....................................................... 1
     SECTION 1.1. Commitments............................................... 1
     SECTION 1.2. Commitment Amounts........................................ 2
     SECTION 1.3. Termination of Commitments................................ 2
     SECTION 1.4. Commitment Fee............................................ 3
     SECTION 1.5. Special Term Loan......................................... 4

ARTICLE II LOANS AND NOTES.................................................. 4
     SECTION 2.1. Procedure for Loans....................................... 4
     SECTION 2.2. Notes..................................................... 4
     SECTION 2.3. Interest on Loans......................................... 5
     SECTION 2.4. Repayment................................................. 7
     SECTION 2.5. Mandatory Prepayment...................................... 8
     SECTION 2.6. Voluntary Prepayment...................................... 8
     SECTION 2.7. Payments, Computations, etc............................... 8
     SECTION 2.8. Additional Costs.......................................... 9

ARTICLE III CONDITIONS TO ALL LOANS........................................ 11
     SECTION 3.1.   Conditions Precedent to Loans.......................... 11
     SECTION 3.1.1. Resolutions, etc....................................... 11
     SECTION 3.1.2. Third Party Waivers and Consents....................... 12
     SECTION 3.1.3. Governmental Permits, Consents, etc.................... 13
     SECTION 3.1.4. The Notes.............................................. 13
     SECTION 3.1.5. Opinion of Counsel to Borrower......................... 13
     SECTION 3.1.6. Certificate as to Absence of Default, etc.............. 13
     SECTION 3.1.7. Payment of Accrued Interest and Fees................... 14
     SECTION 3.1.8. Repayment of Indebtedness.............................. 14
     SECTION 3.2.   Conditions Precedent to All Loans...................... 14
     SECTION 3.2.1. Compliance with Warranties; No Default, etc............ 14
     SECTION 3.2.2. Absence of Litigation, etc............................. 14
     SECTION 3.2.3. Loan Request........................................... 14
     SECTION 3.2.4. Guaranties............................................. 14
     SECTION 3.2.5. Satisfactory Legal Form................................ 14

ARTICLE IV WARRANTIES, ETC................................................. 15
     SECTION 4.1.   Borrower Warranties.................................... 15
     SECTION 4.1.1. Organization, etc...................................... 15
     SECTION 4.1.2. Due Authorization; No Conflict......................... 15
     SECTION 4.1.3. Validity of this Agreement, etc........................ 16
     SECTION 4.1.4. Financial Condition and Information.................... 16
     SECTION 4.1.5. Absence of Default..................................... 16
     SECTION 4.1.6. Litigation, etc........................................ 17
     SECTION 4.1.7. Regulation U........................................... 17
     SECTION 4.1.8. Government Regulation.................................. 17
     SECTION 4.1.9. Labor Controversies.................................... 18

                                     - i -


<PAGE>   3



     SECTION 4.1.10. Taxes................................................. 18
     SECTION 4.1.11. Employee Benefit Plans................................ 18
     SECTION 4.1.12. Status of Title to Properties......................... 18
     SECTION 4.1.13. Liens................................................. 18
     SECTION 4.1.14. Patents, Trademarks, etc.............................. 19
     SECTION 4.1.15. Licenses and Permits.................................. 19
     SECTION 4.1.17. Accuracy of Information............................... 19

ARTICLE V COVENANTS........................................................ 20
     SECTION 5.1.    Certain Affirmative Covenants of Borrower............. 20
     SECTION 5.1.1.  Financial Information, etc............................ 20
     SECTION 5.1.2.  Maintenance of Corporate Existence, etc............... 21
     SECTION 5.1.3.  Foreign Qualification................................. 21
     SECTION 5.1.4.  Payment of Taxes, etc................................. 21
     SECTION 5.1.5.  Insurance............................................. 22
     SECTION 5.1.6.  Notice of Default, Litigation, etc.................... 22
     SECTION 5.1.7.  Use of Loan Proceeds.................................. 23
     SECTION 5.1.8.  Books and Records..................................... 23
     SECTION 5.1.9.  Fiscal Year........................................... 23
     SECTION 5.2.    Certain Negative Covenants of Borrower................ 23
     SECTION 5.2.1.  Business Activities................................... 23
     SECTION 5.2.2.  Indebtedness.......................................... 24
     SECTION 5.2.3.  Security Interests.................................... 24
     SECTION 5.2.4.  Financial Condition................................... 25
     SECTION 5.2.5.  Restricted Payments, etc.............................. 26
     SECTION 5.2.6.  Inconsistent Agreements............................... 26
     SECTION 5.2.7.  Consolidation, Merger, etc............................ 26
     SECTION 5.2.8.  Modification of Articles or Regulations............... 26
     SECTION 5.2.9.  Transactions with Affiliates.......................... 27
     SECTION 5.2.10. Leases................................................ 27
     SECTION 5.2.11. Advances to Subsidiaries.............................. 27
     SECTION 5.2.12. Subsidiaries.......................................... 27

ARTICLE VI EVENTS OF DEFAULT............................................... 27
     SECTION 6.1.    Events of Default..................................... 27
     SECTION 6.1.1.  Non-Payment of Liabilities............................ 27
     SECTION 6.1.2.  Non-Performance of Certain Covenants.................. 28
     SECTION 6.1.3.  Default on Other Indebtedness......................... 28
     SECTION 6.1.4.  Bankruptcy, Insolvency, etc........................... 28
     SECTION 6.1.5.  Non-Performance of Other Obligations.................. 28
     SECTION 6.1.6.  Breach of Warranty.................................... 29
     SECTION 6.1.7.  ERISA................................................. 29
     SECTION 6.1.8.  Judgments............................................. 29
     SECTION 6.1.9.  Default on Other Material Obligations................. 29
     SECTION 6.2.    Action if Bankruptcy.................................. 29
     SECTION 6.3.    Action if Other Event of Default...................... 30

ARTICLE VII DEFINITIONS.................................................... 31
     SECTION 7.1.    Defined Terms......................................... 31

                                     - ii -


<PAGE>   4



      SECTION 7.2.  Use of Defined Terms................................... 39
      SECTION 7.3.  Accounting and Financial Determinations................ 39

ARTICLE VIII MISCELLANEOUS................................................. 40
      SECTION 8.1.  Waivers, Amendments, etc............................... 40
      SECTION 8.2.  Costs and Expenses..................................... 40
      SECTION 8.3.  Indemnification........................................ 41
      SECTION 8.4.  Severability........................................... 41
      SECTION 8.5.  Cross-References....................................... 42
      SECTION 8.6.  Headings............................................... 42
      SECTION 8.7.  Counterparts........................................... 42
      SECTION 8.8.  Governing Law.......................................... 42
      SECTION 8.9.  Successors and Assigns................................. 42
      SECTION 8.10. Notices................................................ 42
      SECTION 8.11  Survival of Agreements; Relationship................... 42
      SECTION 8.12  JURY TRIAL WAIVER...................................... 43
      SECTION 8.13. JURISDICTION, ETC...................................... 43
      SECTION 8.12. JURY TRIAL WAIVER.......................................42
      SECTION 8.13. JURISDICTION, ETC.......................................43

                                    - iii -


<PAGE>   5



EXHIBITS

     EXHIBIT A                    Form of Term Note
     EXHIBIT B                    Form of Credit Note
     EXHIBIT C                    Form of Guarantee
     EXHIBIT D                    Form of Opinion of Counsel to Borrower
     EXHIBIT E                    Form of Compliance Certificate 
     EXHIBIT F                    Form of Loan Request

     Exhibit 4.1.1.               Subsidiaries
     Exhibit 4.1.4.               Changes in Business
     Exhibit 4.1.6.               Litigation
     Exhibit 4.1.9.               Labor Controversies
     Exhibit 4.1.16.              Certain Information
     Exhibit 5.2.2.               Indebtedness
     Exhibit 5.2.3.               Security Interests
     Exhibit 5.2.9.               Transactions with Affiliates


                                     - iv -


<PAGE>   6



                              AMENDED AND RESTATED
                                 LOAN AGREEMENT

     THIS AMENDED AND RESTATED LOAN AGREEMENT, dated as of November 15, 1996,
is between UNITED AIR SPECIALISTS, INC., an Ohio corporation ("Borrower"), and
KEYBANK NATIONAL ASSOCIATION, a national banking association (the "Bank").

                              W I T N E S S E T H:

     WHEREAS, Borrower is indebted to the Bank, as successor in interest to
Society Bank, National Association pursuant to a Loan Agreement dated as of May
15, 1990, as amended from time to time prior to the date hereof (the "Original
Loan Agreement"), pursuant to which the Bank has provided a revolving credit
loan facility in the amount of $2,050,000 to Borrower;

     WHEREAS, Borrower desires to obtain from the Bank, and the Bank desires,
on the terms and subject to the conditions hereinafter set forth, to extend to
Borrower, (i) an increase and extension of such revolving credit commitment to
make Credit Loans to Borrower from time to time on or after the date hereof
(the "Closing Date") and prior to the Credit Commitment Termination Date, in an
aggregate outstanding principal amount not to exceed, at any one time
outstanding, the Credit Commitment Amount and (ii) a term commitment to make a
Term Loan to Borrower on the Closing Date, in the original principal amount of
$1,000,000, each such loan for working capital and other general corporate
purposes of Borrower;

     NOW, THEREFORE, in consideration of the foregoing and of the mutual
covenants herein contained, the parties hereto hereby agree to amend and
restate the Original Loan Agreement in its entirety as follows:

                                   ARTICLE I

                                  COMMITMENTS

     SECTION 1.1. Commitments. On the terms and subject to the conditions of
this Agreement (including, without limitation, Article III), the Bank:

          (a) agrees (herein called its "Term Commitment") that it will, on the
Closing Date make a single loan (the "Term Loan") to Borrower pursuant to
Section 2.1 in an amount not to exceed the Term Commitment Amount;

                                     - 1 -


<PAGE>   7



          (b) agrees (herein called its "Credit Commitment") that it will, from
time to time on any Business Day during the period commencing on the Closing
Date and continuing through the date immediately preceding the Credit
Commitment Termination Date, as the Borrower may specify pursuant to Section
2.1, make one or more loans (herein collectively called the "Credit Loans" and
individually called a "Credit Loan" and, together with the Term Loan and the
Special Term Loan, herein collectively called the "Loans" and individually
called a "Loan") to Borrower in such amounts as from time to time may be
requested by Borrower; provided, however, that the Bank shall not be required
to make any Credit Loan if, after giving effect thereto, the aggregate
outstanding principal amount of all Credit Loans would exceed the Credit
Commitment Amount. On the terms and subject to the conditions hereof, Borrower
may from time to time borrow, prepay and reborrow amounts pursuant to the
Credit Commitment.

     SECTION 1.2. Commitment Amounts. The amount:

          (a) of the Term Commitment (herein called the "Term Commitment
Amount") shall be $1,000,000, less all reductions to such amount:

               (i) occurring automatically and without other or further action
          upon the date the Term Loan is made (and immediately after giving
          effect thereto), to the extent of the excess, if any, of the Term
          Commitment Amount over the unpaid principal amount of the Term Loan;

               (ii) occurring automatically and without other or further action
          upon any voluntary prepayment of the Term Note by Borrower pursuant
          to Section 2.6, to the extent of such prepayment; and

          (b) of the Credit Commitment (herein called the "Credit Commitment
Amount") on any date prior to the Credit Commitment Termination Date shall be
$6,000,000, less all reductions to such amount made voluntarily by Borrower (in
minimum aggregate amounts of $10,000 or integral multiples thereof) from time
to time (but not more often than once per week) or in full at any time, in
either case on at least ten (10) Business Days' prior Notice to the Bank (which
Notice shall be irrevocable).

     SECTION 1.3. Termination of Commitments. (a) The Bank's Credit Commitment
shall terminate, and the Bank shall be relieved of its obligation to make any
Credit Loans:

               (i) immediately and without further action on November 30, 1996
          if the Closing Date shall not have occurred on or prior to such date;

                                     - 2 -


<PAGE>   8



               (ii) three Business Days after Notice given by Borrower to the
          Bank of the termination of the Credit Commitment (which Notice shall
          be irrevocable), at any time when no Credit Loans are outstanding;

               (iii) immediately and without further action upon the occurrence
          of any Event of Default described in Section 6.1.4;

               (iv) immediately when any other Event of Default shall have
          occurred and be continuing and the Credit Note shall be declared to
          be due and payable pursuant to Section 6.3; or

               (v) at the close of business on the Business Day immediately
          preceding the Credit Commitment Termination Date.

          (b) The Bank's Term Commitment shall terminate, and the Bank shall be
relieved of its obligation to make the Term Loan:

               (i) immediately and without further action on November 30, 1996
          if the Closing Date shall have not occurred on or prior to such date;

               (ii) three Business Days after Notice given by Borrower to the
          Bank of the termination of the Term Commitment (which Notice shall be
          irrevocable), at any time when no principal amount of the Term Loan
          is outstanding;

               (iii) immediately and without further action upon the occurrence
          of any Event of Default described in Section 6.1.4; or

               (iv) immediately when any other Event of Default shall have
          occurred and be continuing and the Term Note shall be declared to be
          due and payable pursuant to Section 6.3.

     SECTION 1.4. Commitment Fee. Commencing on the Closing Date and ending on
the Credit Commitment Termination Date, Borrower shall pay to the Bank an
annual fee (the "Credit Commitment Fee") (calculated on the basis of a year of
360 days for the actual number of days elapsed) on the average daily unused
amount of the Credit Commitment Amount for such year computed at the annual
rate of three eighths of one percent (3/8%), payable quarterly in arrears on
each Quarterly Payment Date, commencing December 31, 1996, and also payable on
the Credit Commitment Termination Date.

                                     - 3 -


<PAGE>   9



     SECTION 1.5. Special Term Loan. On the Credit Commitment Termination Date,
if the Credit Commitment Termination Date is not extended pursuant to the terms
of this Agreement, and no Default exists, the outstanding balance of any Credit
Loans shall automatically be converted into a term loan (the "Special Term
Loan"), which shall be payable in eight equal quarterly installments, payable
on each Quarterly Payment Date thereafter.



                                   ARTICLE II

                                LOANS AND NOTES

     SECTION 2.1. Procedure for Loans. Borrower may request that the Term Loan
be made by the Bank on the Closing Date in an amount not exceeding the Term
Loan Commitment, by delivering to the Bank a Loan Request. Borrower may request
from time to time by delivering a Loan Request to the Bank at the Payment
Office (which may be delivered by telecopier, confirmed by mail) that Credit
Loans be made by the Bank on the Business Day specified in such Loan Request
provided that such Request is given prior to 3:00 p.m. on the day of delivery
of the Loan Request, which prior notice may be waived by the Bank). Any such
Loan Request shall be irrevocable. The proceeds of Loans shall be made
available at the Payment Office by credits in Dollars in immediately available
funds to Borrower's general deposit account maintained at the Payment Office on
the Business Day specified or to such other account as Bank and Borrower may
agree.  The Special Term Loan shall be made automatically as provided in
Section 1.5.

     SECTION 2.2. Notes.

     The Term Loan and the Credit Loans and the Special Term Loan shall be
evidenced by a promissory note of Borrower, substantially in the form of
Exhibit A (the "Term Note") and Exhibit B (the "Credit Note"), respectively
attached hereto (herein individually each called a "Note" and collectively
called the "Notes"), with appropriate insertions, dated the Closing Date,
payable to the order of the Bank, and providing for the payment of the Credit
Commitment Amount or the aggregate unpaid principal amount of all of the Credit
Loans, whichever is less, as the case may be, on or before the Credit
Commitment Termination Date and for the payment of the principal amount of the
Term Loan and the Special Term Loan on the respective due dates thereof. The
date and amount of each Loan made by the Bank, and of each repayment of
principal of any Loan received by the Bank, may be recorded by the Bank, at its
option, on the schedule attached to the appropriate Note (or on a continuation
of such schedule), and the aggregate unpaid principal amount so

                                     - 4 -


<PAGE>   10



recorded shall be presumptive evidence of the principal amount of Loans owing
and unpaid on such Note. The failure to so record or any error in so recording
any such amount shall not, however, limit or otherwise affect the obligations
of Borrower hereunder or under such Note to repay the principal amount of the
Loans, together with all interest accruing thereon.

     SECTION 2.3. Interest on Loans. (a) Borrower agrees to pay interest on the
unpaid principal amount of the Loans from time to time prior to and at maturity
(whether by required prepayment, declaration or otherwise) at a rate per annum,
(i) subject to the provisions of the Term Note, on the outstanding principal
balance of the Term Note, at a rate equal to the Adjusted LIBOR Rate from time
to time in effect, and (ii) subject to the provisions of the Credit Note, on
the entire outstanding principal amount of each Credit Loan or the outstanding
balance of the Special Term Loan at an annual rate of interest equal to either
(i) a variable rate equal to the Prime Rate, with each change in the Prime Rate
automatically changing the interest rate on the Credit Loan or Special Term
Loan, as the case may be, or (ii) the Adjusted LIBOR Rate for the applicable
LIBOR Interest Period, in each case as elected by the Borrower pursuant to this
Section 2.3. Interest shall be payable quarterly in arrears on the Closing Date
for all periods prior to the Closing Date and thereafter on each Quarterly
Payment Date commencing November 15, 1996. The entire outstanding principal
amount of all Credit Loans shall bear interest at the same rate, provided,
however, that if the Bank makes an additional Credit Loan during a LIBOR
Interest Period, until the expiration of such LIBOR Interest Period the
principal amount of such additional Credit Loan shall bear interest at an
annual rate equal to either (i) a variable rate of interest equal to the Prime
Rate with each change in the Prime Rate automatically changing the interest
rate on such additional Credit Loan, or (ii) a rate quoted by the Bank at the
time of such additional Credit Loan, which rate shall not exceed the Adjusted
LIBOR Rate, calculated at the time of such additional Credit Loan for a
hypothetical loan in the amount of such additional Credit Loan for a
hypothetical interest period of 30 days.

          (b) Borrower may exercise its option to change the applicable
interest rate with respect to the Credit Loans from the Prime Rate at any time,
and from the LIBOR Rate at (and only at) the expiration of the applicable LIBOR
Interest Period. Any such change in the applicable interest rate shall be made
by irrevocable Notice to the Bank, which Notice shall specify the elected rate
option, and shall contain a representation that the requested change in the
applicable rate is in compliance with this Section 2.3(b). Such change in the
applicable rate shall be effective as of the third Business Day following
receipt of such Notice by the Bank (or any later date specified in such Notice
which is not more than ten (10) Business Days after the date of

                                     - 5 -


<PAGE>   11



receipt of such Notice by the Bank). In the event of the expiration of a LIBOR
Interest Period and the failure of Borrower to elect a new interest rate
pursuant to this Section 2.3(b), the Credit Loans shall bear interest at a
variable rate equal to the Prime Rate, with each change in the Prime Rate
automatically changing the interest rate on the Credit Loans, until a new rate
election is made by Borrower. Each written notice of any LIBOR Rate Loan shall
be irrevocable and binding on Borrower and Borrower shall indemnify the Bank
against any loss or expense incurred by the Bank as a result of any failure by
Borrower to consummate such Loan, including, without limitation, any loss
(including loss of anticipated profits) or expense incurred by reason of
liquidation or reemployment of deposits or other funds acquired by the Bank to
fund the LIBOR Rate Loan. A certificate as to the amount of such loss or
expense submitted by the Bank to Borrower shall be conclusive and binding for
all purposes, absent manifest error.

          (c) If the Bank shall have determined (which determination shall,
absent manifest error, be final and conclusive and binding upon all parties
hereto):

               (i) after the date of this Agreement, that the adoption,
          implementation or introduction of any applicable law, rule or
          regulation, or any change therein, or any change in the
          interpretation, application or administration thereof by any
          governmental authority (including, without limitation, any reserve,
          capital adequacy, asset ratio or similar requirements), or any
          judgment or order of any competent court, tribunal or authority, or
          any assertion or pronouncement made by an central bank or other
          governmental authority or compliance by the Bank with any request or
          directive (whether or not having the force of law and whether or not
          the failure to comply therewith would be unlawful) of any
          governmental authority shall make it unlawful or impossible, or any
          governmental authority shall assert that it is unlawful, for the Bank
          to make, maintain or fund any LIBOR Rate Loan; or

               (ii) on or prior to the first day of any LIBOR Interest Period,
          that the Adjusted LIBOR Rate will not adequately reflect the cost to
          the Bank of funding or maintaining all or any portion of the
          principal balance of such Loan; or

               (iii) any sum received or receivable by the Bank under this
          Agreement, or any Note, or the effective dollar return to it under
          this Agreement or the Notes, is or will be reduced or the Bank will
          make or will be required to make any payment (except on account of

                                     - 6 -


<PAGE>   12



          taxes payable on its overall net income) or will forego or will be
          required to forego any interest or other return on or calculated by
          reference to the amount of any sum received or receivable by it under
          this Agreement or the Notes; or

               (iv) at the commencement date of any LIBOR Interest Period, by
          reason of circumstances affecting the London interbank market, (A)
          adequate means do not exist for ascertaining the Adjusted LIBOR Rate
          on the basis provided for in the definition of Adjusted LIBOR Rate or
          (B) the Bank is unable to obtain matching deposits in the London
          interbank market in sufficient amounts to fund or maintain any
          portion of the principal balance of such Loan;

then Bank shall on such date give notice (by telephone confirmed in writing) to
Borrower of such determination whereupon such Loan will, on the last day of its
then current Interest Period (or within such earlier period as may be required
by any such law, rule, regulation or guideline), unless such suspension shall
no longer exist, automatically bear interest, in lieu of the rate provided in
Section 2.3(a), at a variable rate equal to the Prime Rate, with each change in
the Prime Rate automatically changing the interest rate on the Loan. Such
suspension shall continue until the Bank notifies Borrower that the
circumstances giving rise to such suspension no longer exist. In addition, in
the case of clause (iii) above, Borrower shall pay to the Bank, upon written
demand therefor, such additional amounts as shall be required to compensate
Bank for such increased costs or reductions in amount receivable hereunder as
to any LIBOR Interest Periods that began before such increased costs or
reduction in amounts receivable became effective (a written notice as to the
additional amounts owed to Bank, basis for the calculation thereof, submitted
to Borrower by the Bank shall, absent manifest error, be final, conclusive and
binding upon all parties hereto).

          (e) After the maturity (as aforesaid) of all or any portion of the
principal amount of any of the Loans, Borrower shall pay interest (after as
well as before judgment) on the principal amount so matured at a rate per annum
equal to the sum of 2 1/2% plus the Prime Rate from time to time in effect, but
not in excess of the maximum rate allowed by law.

          (f) Interest accrued on the Loans prior to maturity (as aforesaid)
shall also be payable at maturity. All interest accrued on the Loans after
maturity (as aforesaid) shall be payable on demand.

     SECTION 2.4. Repayment. On each Quarterly Payment Date (commencing
December 31, 1996), Borrower shall make equal

                                     - 7 -


<PAGE>   13



payments of principal on the Term Loan in the amount of $50,000 each, together
in each case with all accrued interest thereon. On the Term Loan Maturity Date,
Borrower shall pay the entire remaining principal balance of the Term Loan and
all interest thereon.

     SECTION 2.5. Mandatory Prepayment. Borrower shall, upon any reduction of
the Credit Commitment Amount, make a prepayment of Credit Loans under the
Credit Note equal in the aggregate to the amount, if any, by which the
aggregate outstanding principal amount of all Credit Loans exceeds the Credit
Commitment Amount. Each prepayment of the Credit Note made pursuant to this
Section 2.5 shall be without premium or penalty. If, however, after giving
effect to any such payment any LIBOR Rate Loans would be prepaid prior to the
end of the applicable LIBOR Interest Rate Period, the notice of the termination
or permanent reduction in Credit Commitment Amount shall be deemed to be
Borrower's request that such termination or reduction be effective on the last
day of such LIBOR Interest Rate Period. Concurrently with any such reduction or
termination, Borrower shall pay the unpaid Credit Commitment Fee that shall
have accrued on the portion of such terminated or reduced commitment.

     SECTION 2.6. Voluntary Prepayment. Borrower may make a voluntary
prepayment in part or in full of the unpaid principal amount of either the
Notes from time to time at any time upon prior Notice to the Bank (which Notice
shall be irrevocable), provided that any voluntary prepayment with respect to
any LIBOR Loan may be made only on the last day of the then current LIBOR
Interest Period.  Each such prepayment shall be without premium or penalty. If
such prepayment relates to the Term Loan or the Special Term Loan, all interest
accrued on the principal amount prepaid shall be paid on the date of such
prepayment. On the terms and subject to the conditions of this Agreement, the
Credit Commitment is revolving in nature, and no voluntary prepayment, in and
of itself, of principal of any Credit Loan shall cause a reduction in the
Credit Commitment Amount.

     SECTION 2.7. Payments, Computations, etc.

          (a) All payments by Borrower of principal of, or interest on, Loans,
and all payments of Commitment Fees shall be made in immediately available
funds by Borrower.

          (b) Interest on all Loans shall be computed on the basis of the
actual number of days (including the first day but excluding the last day)
occurring during the period for which such interest is payable, over a year
comprised of 360 days.

                                     - 8 -


<PAGE>   14




          (c) Whenever any payment to be made shall otherwise be due on a day
which is not a Business Day, such payment shall be made on the next succeeding
Business Day and such extension of time shall be included in computing
interest, if any, in connection with such payment.

          (d) All payments made by Borrower or any Guarantor to the Bank under
this Agreement and the Notes shall be made without any setoff or counterclaim,
and free and clear of, and without deduction for or on account of, any present
or future income, excise and other taxes of whatever nature (other than taxes
generally assessed on net income of the Bank, as the case may be, by the
government or other authority of the jurisdiction in which the Bank has its
principal office or the Borrower is located), or any levies, imposts, duties,
charges or fees of any nature now or hereafter imposed by any governmental or
other authority (herein collectively called "Taxes"). If Borrower is compelled
by law to make any such deductions or withholdings, it will pay such additional
amounts as may be necessary in order that the net amount received by the Bank
after such deductions or withholdings (including any required deduction or
withholding on such additional amounts) shall equal the amount such payee would
have received had no such deductions or withholdings been made, and it will
promptly provide the Bank with evidence satisfactory to the Bank that it has
paid such deductions or withholdings. Moreover, if any Taxes are directly
assessed against the Bank, such payee may pay such Taxes and Borrower shall
promptly pay such additional amount as may be necessary in order that the net
amount received by such payee after the payment of such Taxes (including any
Taxes on such additional amount) shall equal the amount such payee would have
received had no such Taxes been assessed. The provisions of this clause (d)
shall survive any termination of this Agreement.

     SECTION 2.8. Additional Costs. (a) If, due to either (i) the introduction
of, or any change in, or in the interpretation of, any law or regulation or
(ii) the compliance with any guideline or request from any central bank or
other governmental authority (whether or not having the force of law), there
shall be any increase in the cost to the Bank of making, funding or maintaining
Loans, then Borrower shall from time to time, upon demand by the Bank pay to
the Bank additional amounts sufficient to reimburse the Bank for any such
additional costs. A certificate of the Bank submitted to Borrower as to the
amount of such additional costs, shall be conclusive and binding for all

                                     - 9 -


<PAGE>   15



purposes, absent manifest error. Upon notice from Borrower to the Bank within
five (5) Business Days after the Bank notifies Borrower of any such additional
costs pursuant to this Section 2.8(a), Borrower may either (A) prepay in full
all Loans of any types so affected then outstanding, together with interest
accrued thereon to the date of such prepayment, or (B) convert all Loans of any
types so affected then outstanding into Loans of any other type not so affected
upon not less than four (4) Business Days' notice to the Bank. If any such
prepayment or conversion of any LIBOR Rate Loan occurs on any day other than
the last day of the applicable LIBOR Interest Period for such Loan, Borrower
also shall pay to the Bank such additional amounts sufficient to indemnify the
Bank against any loss, cost, or expense incurred by the Bank as a result of
such prepayment or conversion, including, without limitation, any loss
(including loss of anticipated profits), cost, or expense incurred by reason of
the liquidation or reemployment of deposits or other funds acquired by the Bank
to fund any such Loan, and a certificate as to the amount of such loss, cost,
or expense submitted by the Bank to Borrower shall be conclusive and binding
for all purposes, absent manifest error.

          (b) If either (i) the introduction of, or any change in, or in the
interpretation of, any law or regulation or (ii) the compliance with any
guideline or request from any central bank or other governmental authority
(whether or not having the force of law), affects or would affect the amount of
capital required or expected to be maintained by the Bank or any corporation
controlling the Bank and the Bank determines that the amount of such capital is
increased by or based upon the existence of the Loans (or commitment to make
the Loans) and other extensions of credit (or commitments to extend credit) of
similar type, then, upon demand by the Bank, Borrower shall pay to the Bank
from time to time as specified by the Bank additional amounts sufficient to
compensate the Bank in the light of such circumstances, to the extent that the
Bank reasonably determines such increase in capital to be allocable to the
existence of the Bank's Loans (or commitment to make the Loans). A certificate
of the Bank submitted to Borrower as to such amounts shall be conclusive and
binding for all purposes, absent manifest error. Upon notice from Borrower to
the Bank within five (5) Business Days after the Bank notifies Borrower of any
such additional costs pursuant to this Section 2.8(b), Borrower may either (A)
prepay in full all Loans of any types so affected then outstanding, together
with interest accrued thereon to the date of such prepayment, of (B) convert
all Loans of any types

                                     - 10 -


<PAGE>   16



so affected then outstanding into Loans of any other type not so affected upon
not less than four (4) Business Days' notice to the Bank. If any such
prepayment or conversion of any LIBOR Rate Loan occurs on any day other than
the last day of the applicable LIBOR Interest Period for such Loan, Borrower
also shall pay to the Bank such additional amounts sufficient to indemnify the
Bank against any loss, cost, or expense incurred by the Bank as a result of
such prepayment or conversion, including, without limitation, any loss
(including loss of anticipated profits), cost, or expense incurred by reason of
the liquidation or reemployment of deposits or other funds acquired by the Bank
to fund any such Loan, and a certificate as to the amount of any such loss,
cost, or expense submitted by the Bank to Borrower shall be conclusive and
binding for all purposes, absent manifest error.


                                  ARTICLE III

                            CONDITIONS TO ALL LOANS

     SECTION 3.1. Conditions Precedent to Loans. In addition to the
requirements of Section 3.2, the obligation of the Bank to make the Term Loan
and the initial Credit Loan on the Closing Date shall be subject to the prior
or concurrent satisfaction of each of the following conditions precedent:

     SECTION 3.1.1. Resolutions, etc. The Bank shall have received:

          (a) certificates, dated the Closing Date, of the Secretary or any
     Assistant Secretary of Borrower and each of its Subsidiaries as to:

               (i) true and correct copies of resolutions of its Board of
          Directors (or, if duly authorized, the Executive Committee thereof)
          authorizing or ratifying, the execution, delivery and performance by
          Borrower of this Agreement, the Notes and each other Instrument
          executed or to be executed by it pursuant thereto or hereto,

               (ii) the incumbency and specimen signatures of those of its
          officers authorized to act with respect to this Agreement, the Notes
          and each other Instrument executed or to be executed

                                     - 11 -


<PAGE>   17



          pursuant hereto by it (upon which certificate the Bank may
          conclusively rely until the Bank shall have received a further
          certificate of the Secretary of Borrower or such Subsidiary canceling
          or amending such prior certificate), and

               (iii) true and correct copies of its code of regulations or
          by-laws, as applicable;

          (b) the following documents as to Borrower:

               (i) a copy of its Articles or Certificate of Incorporation and
          each amendment, if any, thereto, certified by the Secretary of State
          of Ohio in the case of Borrower and the Secretary of State or
          corresponding official of the jurisdiction of incorporation of each
          of the Subsidiaries (as of a date reasonably near the Closing Date)
          as being true and correct copies of such documents on file in such
          office,

               (ii) the signed Certificate of the Secretary of State of Ohio
          and the Secretary of State or corresponding official of the
          jurisdiction of incorporation of each of the Subsidiaries,
          respectively, in long form (dated reasonably near the Closing Date),
          listing the Articles or Certificate of Incorporation of Borrower and
          each of its Subsidiaries and each amendment, if any, thereto, on file
          in such office and stating that such documents are the only charter
          documents of Borrower or each of its Subsidiaries on file in such
          office and that Borrower and each of its Subsidiaries is duly
          incorporated and in good standing in the jurisdiction of its
          incorporations; and

          (c) such other documents (certified, if requested) as the Bank may
     reasonably request with respect to any matter relevant to this Agreement or
     the transactions contemplated hereby.

     SECTION 3.1.2. Third Party Waivers and Consents. Borrower shall have
obtained, and the Bank shall have received from Borrower certified copies of,
all material consents and waivers from each and every Person required in
connection with the execution and delivery by Borrower of, and the performing
of its obligations under, this Agreement, the Notes, and each other

                                     - 12 -


<PAGE>   18



Instrument executed or to be executed pursuant hereto, in order for Borrower
and each of such Subsidiaries to conduct its business as previously conducted
without breach, default or termination of any contract or other agreement to
which it is a party except for any such waivers and consents, in respect of
which the failure to obtain would not have, or be likely to have, a material
adverse effect on the business, properties, operations, financial condition or
prospects of Borrower and its Subsidiaries, taken as a whole, or impair the
ability of Borrower or any of its Subsidiaries to perform any of its
obligations under or in connection with this Agreement, the Notes, or any
Instrument executed or to be executed by it pursuant hereto.

     SECTION 3.1.3. Governmental Permits, Consents, etc. Borrower and its
Subsidiaries shall have obtained, and the Bank shall have received from
Borrower certified copies of, all certificates, permits, consents, exemptions,
filings and approvals from any federal, state, local or foreign government or
governmental agency, department or body, required in connection with the
execution and delivery by Borrower of, and the Performing of its obligations
under this Agreement, the Notes, and each other Instrument executed or to be
executed pursuant hereto, except for any such certificates, permits, consents,
exemptions, filings or approvals in respect of which the failure to obtain
would not have, or be likely to have, a material adverse effect on the
business, properties, operations, financial condition or prospects of Borrower
and its Subsidiaries, taken as a whole, or impair the ability of Borrower to
perform any of its obligations under or in connection with this Agreement, the
Notes, or any Instrument executed or to be executed by it pursuant hereto.

     SECTION 3.1.4. The Notes. The Bank shall have received the Term Note and
the Credit Note duly executed and delivered by Borrower.

     SECTION 3.1.5. Opinion of Counsel to Borrower. The Bank shall have
received an opinion, dated the Closing Date and addressed to the Bank, of
counsel to Borrower and its Subsidiaries, substantially in the form of Exhibit
D attached hereto.

     SECTION 3.1.6. Certificate as to Absence of Default, etc. After giving
effect to the consummation of all of the conditions of this Section 3.1, the
representations and warranties set forth in Article IV shall be true and
complete as if then made and no Default shall have occurred and be continuing,
and the Bank shall have received a certificate, dated the Closing Date to such
effect from the chief executive officer and the chief financial officer of
Borrower.

                                     - 13 -


<PAGE>   19



     SECTION 3.1.7. Payment of Accrued Interest and Fees. The Bank shall have
received Borrower's check in the amount of $________ in payment of all interest
and commitment fees accrued and unpaid under the Original Loan Agreement to the
date hereof.

     SECTION 3.1.8. Repayment of Indebtedness. Borrower shall have paid in full
all of its Indebtedness to Star Bank, National Association and shall have
terminated any agreement relating thereto.

     SECTION 3.2. Conditions Precedent to All Loans. The obligation of the Bank
to make any Loan shall be subject to the satisfaction of each of the following
conditions precedent (in addition to any conditions precedent to such Loan
specified in Section 3.1):

     SECTION 3.2.1. Compliance with Warranties; No Default, etc. (a) The
representations and warranties set forth in Article IV shall have been true and
complete in all material respects as of the date made and on the date of such
Loan (and after giving effect thereto) with the same effect as if then made,
and (b) on the date of such Loan (and after giving effect thereto) no Default
shall have occurred and shall be continuing.

     SECTION 3.2.2. Absence of Litigation, etc. No litigation, arbitration or
governmental investigation or proceeding shall be pending or threatened against
Borrower or any of its Subsidiaries, or affecting the business or operations of
Borrower or any of its Subsidiaries, of the character required to be disclosed
in Section 4.1.6 or 5.1.6, which was not disclosed by Borrower to the Bank
pursuant to Section 4.1.6 or 5.1.6, in either case prior to the date of the
last previous Loan or prior to the date hereof, and no development shall have
occurred in any litigation, arbitration or governmental investigation or
proceeding so disclosed, which, in the reasonable opinion of the Bank, is
reasonably likely to materially adversely affect the business, properties,
operations, financial condition or prospects of Borrower and its Subsidiaries,
taken as a whole, or Borrower's ability to perform its obligations under this
Agreement or Borrower's ability to perform its obligations under any Instrument
executed pursuant hereto by it.

     SECTION 3.2.3. Loan Request. The Bank shall have received a Loan Request
for such Loan.

     SECTION 3.2.4. Guaranties. The Bank shall have received from each
Subsidiary of Borrower a Guarantee in the form of Exhibit C duly executed and
delivered by such Subsidiary.

     SECTION 3.2.5. Satisfactory Legal Form. All documents executed or
submitted pursuant hereto by or on behalf of Borrower, or any other Person
shall be reasonably satisfactory in

                                     - 14 -


<PAGE>   20



form and substance to the Bank; the Bank shall have received all information,
and such counterpart originals or such certified or other copies of such
materials, as the Bank or its counsel may reasonably request; and all legal
matters incident to the transactions contemplated by this Agreement shall be
reasonably satisfactory to the Bank.


                                   ARTICLE IV

                                WARRANTIES, ETC.

     SECTION 4.1. Borrower Warranties. Borrower represents and warrants to the
Bank as follows:

     SECTION 4.1.1. Organization, etc. Borrower and each of its Subsidiaries is
a corporation validly organized and existing and in good standing under the
laws of the state of its incorporation, is duly qualified to do business and in
good standing as a foreign corporation in each jurisdiction where the nature of
its business makes such qualification necessary and where the failure to so
qualify is reasonably likely to have a material adverse effect on the
consolidated business, operations, properties, financial condition or prospects
of Borrower and its Subsidiaries, taken as a whole, or is reasonably likely to
impair Borrower's ability to perform its obligations under this Agreement, the
Notes or any other Instrument executed or to be executed by it pursuant hereto,
and has full power and authority (corporate and otherwise) to own and lease its
property and assets and conduct its business substantially as presently
conducted by it.  Exhibit 4.1.1 hereto lists all Subsidiaries of Borrower.
Borrower and each of its Subsidiaries has full power and authority (corporate
and otherwise) to execute, deliver and perform its obligations under this
Agreement and each Instrument executed or to be executed by it pursuant thereto
or hereto (including, without limitation, the Notes).

     SECTION 4.1.2. Due Authorization; No Conflict. The execution and delivery
by Borrower and the Subsidiaries of this Agreement, the Notes and each other
Instrument executed or to be executed pursuant thereto or hereto by it, the
performance by Borrower of its obligations hereunder and the borrowings
hereunder by Borrower have been duly authorized by all necessary corporate
action, do not require any filing or registration with or approval or consent
of any governmental agency or authority, do not and will not conflict with,
result in any violation of, or constitute any default under, any provision of
the Articles of Incorporation or Code of Regulations of Borrower or any
agreement or other Instrument binding upon or applicable to it or any of its
Subsidiaries or any present law or governmental regulation or court decree or
order applicable to Borrower or any of its

                                     - 15 -


<PAGE>   21



Subsidiaries and will not result in or require the creation or imposition of
any Security Interest in any of its or any of its Subsidiaries properties or
assets pursuant to the provisions of any agreement or other Instrument binding
upon or applicable to it or any of its Subsidiaries.

     SECTION 4.1.3. Validity of this Agreement, etc. This Agreement, the Notes
and each other Instrument executed by Borrower and its Subsidiaries pursuant
hereto will on the due execution and delivery thereof be legal, valid and
binding obligations of Borrower and such Subsidiaries, enforceable against it
in accordance with their respective terms, except as the enforceability thereof
may be limited by applicable bankruptcy, insolvency or other similar laws
affecting creditors' rights generally or by general principles of equity.

     SECTION 4.1.4. Financial Condition and Information.

          (a) All consolidated and consolidating balance sheets and statements
of income, and consolidated statements of shareholders' investment and cash
flows, of Borrower and its Subsidiaries which have been or shall hereafter be
furnished by or on behalf of Borrower to the Bank for the purposes of or in
connection with this Agreement or any transaction contemplated hereby have been
or will be prepared in accordance with United States generally accepted
accounting principles consistently applied throughout the periods involved
(except as disclosed therein) and do or will present fairly the consolidated
and consolidating financial condition of the Borrower and its Subsidiaries at
the dates thereof and the results of their operations for the periods covered
thereby, except that quarterly financial statements do not contain all notes
thereto required for a fair presentation and do not contain any statements of
shareholders' investment and cash flows.

          (b) Except as set forth on Exhibit 4.1.4 hereto, there has been no
material adverse change since June 30, 1996 in the consolidated business,
properties, operations, financial condition or prospects of Borrower and its
Subsidiaries, taken as a whole.

     SECTION 4.1.5. Absence of Default. Neither Borrower nor any of its
Subsidiaries is in default in the payment of (or in the performance of any
obligation applicable to) any Indebtedness or in default under any law or
governmental regulation or court decree or order, in any case which default is
reasonably likely to have a material adverse effect on the financial condition,
business, operations or prospects of Borrower and its Subsidiaries, taken as a
whole, or which is reasonably likely to impair the ability of Borrower or any
of the Subsidiaries to perform any of its obligations under this Agreement or
under any

                                     - 16 -


<PAGE>   22



Instrument executed or to be executed by it pursuant hereto or thereto.

     SECTION 4.1.6. Litigation, etc. No litigation, arbitration or governmental
investigation or proceeding is pending or, to the knowledge of Borrower,
threatened against Borrower or any of its Subsidiaries or to which any of the
properties of any of them is subject:

          (a) which, if adversely determined, is reasonably likely to materially
     adversely affect the business, properties, operations, financial condition
     or prospects of Borrower and its Subsidiaries, taken as a whole, or is
     reasonably likely to impair the ability of Borrower to perform any of its
     obligations under this Agreement, or the ability of Borrower to perform any
     of its obligations under any Instrument executed or to be executed pursuant
     hereto or thereto by it; or

          (b) which has enjoined or restrained or which seeks to enjoin or
     restrain or otherwise prevent the consummation of, or to recover any
     damages or obtain relief as a result of, this Agreement or any Instrument
     executed thereunder or hereunder:

except any such litigation, arbitration or governmental investigation or
proceeding set forth on Exhibit 4.1.6 hereto, nor, to the knowledge of
Borrower, is there any basis for any claim or action of the nature described in
(a) or (b) which would have a reasonable likelihood of success on the merits.

     SECTION 4.1.7. Regulation U. Neither Borrower nor any of its Subsidiaries
is engaged principally, or as one of its important activities, in the business
of extending credit for the purpose of purchasing or carrying Margin Stock, and
at all times after the application of the proceeds of the Loans, less than 25%
of the assets of Borrower, and of the consolidated assets of Borrower and its
Subsidiaries, consists or will consist of Margin Stock. No part of the proceeds
of any Loans will be used for any purpose which violates, or is inconsistent
with, the provisions of Regulation G, U or X promulgated by the Board of
Governors of the Federal Reserve. No part of the proceeds of the Loans will be
used, directly or indirectly, to purchase or carry any Margin Stock or to
extend credit to others for the purpose of purchasing or carrying any Margin
Stock.  Terms for which meanings are provided in Regulation U or any
regulations substituted therefor, as from time to time in effect, are used in
this Section 4.1.7 with such meanings.

     SECTION 4.1.8. Government Regulation. Neither Borrower nor any of its
Subsidiaries is an "investment company" or a company "controlled" by an
"investment company", within the meaning of the Investment Company Act of 1940,
as amended.

                                     - 17 -


<PAGE>   23




     SECTION 4.1.9. Labor Controversies. Except as set forth on Exhibit 4.1.9
hereto, there are no labor controversies pending or, to the best of Borrower's
knowledge, threatened against Borrower or any of its Subsidiaries, which, if
adversely determined, is reasonably likely to materially adversely affect the
business, properties, operations, financial condition or prospects of Borrower
and its Subsidiaries, taken as a whole, or is reasonably likely to impair the
ability of Borrower to perform any of its obligations under this Agreement, the
Notes or any other Instrument executed pursuant hereto by it.

     SECTION 4.1.10. Taxes. Borrower and each of its Subsidiaries has filed all
tax returns and reports required by law to have been filed by it and has paid
all taxes and governmental charges thereby shown to be owing which, if unpaid,
might become a lien upon any of its properties, except any such taxes or
charges which are being contested in good faith by appropriate proceedings and
for which adequate reserves have been set aside on its books and except for any
such returns, reports and taxes relating to Borrower's Subsidiaries which if
unfiled or unpaid are not reasonably likely to have a material adverse effect
on the financial condition, business, operations or prospects of Borrower and
its Subsidiaries, taken as a whole.

     SECTION 4.1.11. Employee Benefit Plans. (a) Each Plan complies in all
material respects with all applicable requirements of law and regulations, (b)
with respect to any Plan having a deficiency in excess of $50,000 in the assets
available to satisfy the benefits guaranteeable under Title IV of ERISA with
respect to such Plan, no Reportable Event has occurred, no steps have been
taken to terminate such Plan, and Borrower has not withdrawn from such Plan or
initiated steps to do so, and (c) neither Borrower nor any of its Subsidiaries
has any liability with respect to any Multiemployer Plan.

     SECTION 4.1.12. Status of Title to Properties. Borrower has valid title or
valid leases to all of its material properties and assets (except for such
imperfections of title to such properties and assets as do not in the aggregate
materially detract from the value thereof to, or the use thereof in, its
business).

     SECTION 4.1.13. Liens. None of the assets of Borrower is subject to any
Security Interest, except (i) those for current taxes not delinquent or taxes
being contested in good faith and by appropriate proceedings, (ii) liens
arising in the ordinary course of business for sums not yet due or sums being
contested in good faith and by appropriate proceedings, but not involving any
deposits or advances or borrowed money or the deferred purchase price of
property or services, and (iii) Security Interests permitted by Section 5.2.3.

                                     - 18 -


<PAGE>   24



     SECTION 4.1.14. Patents, Trademarks, etc. Borrower and its Subsidiaries
own and possess such patents, patent rights, trademarks, trademark rights,
trade names, trade name rights, service marks, service mark rights and
copyrights as necessary for the conduct of their business, without any
infringement upon rights of others which is reasonably likely to have a
material adverse effect upon the business, properties, operations, financial
condition or prospects of Borrower and its Subsidiaries, taken as a whole.

     SECTION 4.1.15. Licenses and Permits. Borrower and its Subsidiaries
possess all licenses and permits to own or lease their properties and to carry
on their business as presently conducted, except to the extent that any such
franchises, licenses or permits, individually or in the aggregate, are not
material to the consolidated business, operations or financial condition of
Borrower and its Subsidiaries, taken as a whole.

     SECTION 4.1.16. Environmental Matters. Borrower and each of its
Subsidiaries is in compliance with all Environmental Laws and all applicable
federal, state and local health and safety laws, regulations, ordinances or
rules, except to the extent that any non-compliance will not, in the aggregate,
have a materially adverse effect on Borrower and its Subsidiaries, taken as a
whole, or the ability of Borrower and its Subsidiaries, taken as a whole, to
fulfill its obligations under this Agreement or the Notes.

     SECTION 4.1.17. Accuracy of Information. All information heretofore or
contemporaneously furnished by or on behalf of Borrower to the Bank for
purposes of or in connection with this Agreement or any transaction
contemplated hereby and listed on Exhibit 4.1.16 hereto, is true and accurate
in every material respect or based on reasonable estimates on the date as of
which such information is dated or certified and as of the Closing Date and,
when taken together with such other factual information so furnished, not
incomplete by omitting to state any material fact necessary to make such
information, in light of the circumstances under which such information was
given, not misleading. All other factual information hereafter furnished by or
on behalf of Borrower to the Bank will be true and accurate in every material
respect or based on reasonable estimates on the date as of which such
information is dated or certified and, when taken together with such other
factual information so furnished, will be not incomplete by omitting to state
any material fact necessary to make such information, in light of the
circumstances under which such information was given, not misleading.

                                     - 19 -


<PAGE>   25



                                   ARTICLE V

                                   COVENANTS

     SECTION 5.1. Certain Affirmative Covenants of Borrower. Borrower agrees
with the Bank that from and after the Closing Date until the Commitments shall
have terminated and all of the Liabilities shall have been paid and performed
in full:

     SECTION 5.1.1. Financial Information, etc. Borrower will furnish, or will
cause to be furnished, to the Bank copies of the following financial
statements, reports and information:

          (a) promptly when available and in any event within 90 days after the
     close of each Fiscal Year.

               (i) a consolidated balance sheet at the close of such Fiscal
          Year, and consolidated statements of income, shareholders' investment
          and cash flows for such Fiscal Year, of Borrower and its
          Subsidiaries, certified without qualification by independent public
          accountants selected by Borrower and acceptable to the Bank (which
          consolidated balance sheets and statements shall be in comparative
          form with the previous Fiscal Year), provided that if Borrower is
          unable to furnish such unqualified report, in lieu thereof it shall
          furnish such report as it shall have received together with a written
          statement of such accountants (x) stating that their audit
          examination has included a review of the terms of this Agreement as
          they relate to financial and accounting matters, (y) stating whether
          anything has come to their attention to cause them to believe that
          any Default existed on the date of such statements and (z) confirming
          the calculation's set forth in the Compliance Certificate delivered
          simultaneously therewith pursuant to Section 5.1.1(iii) hereof,

               (ii) a consolidating balance sheet at the close of such Fiscal
          Year, and a consolidating statement of income for such Fiscal Year,
          of Borrower and its Subsidiaries, which shall be in comparative form
          with the previous Fiscal Year, and

                                     - 20 -


<PAGE>   26



               (iii) a Compliance Certificate calculated as of the close of
          such Fiscal Year:

          (b) promptly when available and in any event within 45 days after the
close of each of the first three quarters of each Fiscal Year, commencing with
the quarter ending December 31, 1996,

               (i) a consolidated and consolidating balance sheet at the close
          of such quarter, and consolidated and consolidating statements of
          income for the period commencing at the close of the previous Fiscal
          Year and continuing through the close of such quarter, of Borrower
          and its Subsidiaries, Certified by the principal accounting or
          financial Authorized Officer of Borrower (which consolidated and
          consolidating balance sheets and statements shall be in comparative
          form with the corresponding period of the previous Fiscal Year), and

               (ii) a Compliance Certificate calculated as of the close of such
          quarter; and

          (c) such other information with respect to the financial condition
and operations of Borrower as the Bank may from time to time reasonably
request.

     SECTION 5.1.2. Maintenance of Corporate Existence, etc. Borrower shall do
at all times all things necessary to maintain and preserve the corporate
existence of Borrower and its Subsidiaries, provided that Borrower or any of
its Subsidiaries may engage in a consolidation or merger permitted by Section
5.2.7.

     SECTION 5.1.3. Foreign Qualification. Borrower shall, and shall cause each
of its Subsidiaries to, do at all times all things necessary to be duly
qualified to do business and in good standing as a foreign corporation in each
jurisdiction where the nature of its business makes such qualification
necessary and where the failure so to qualify is reasonably likely to have a
material adverse effect on the business, properties, operations, financial
condition or prospects of Borrower and its Subsidiaries, taken as a whole, or
might impair the ability of Borrower or such Subsidiary to perform any of its
obligations under this Agreement, the Notes or any other Instrument executed or
to be executed by it pursuant hereto.

     SECTION 5.1.4. Payment of Taxes, etc. Borrower shall pay and discharge,
and shall cause each of its Subsidiaries to pay and discharge, prior to
delinquency and in accordance with normal

                                     - 21 -


<PAGE>   27



terms or any applicable grace periods, all taxes, assessments and other
governmental charges or levies against or on any of its property, as well as
claims of any kind which, if unpaid, might become a lien upon any of its
properties; provided, however, that the foregoing shall not require Borrower to
pay or discharge any such tax, assessment, charge, levy or lien so long as it
shall contest the validity thereof in good faith by appropriate proceedings and
shall set aside on its books adequate reserves with respect thereto.

     SECTION 5.1.5. Insurance. Borrower will, and will cause each of its
Subsidiaries to, maintain or cause to be maintained with responsible insurance
companies insurance with respect to its properties and business against such
casualties and contingencies and of such types and in such amounts as is
customary in the case of similar businesses, and will, upon request of the
Bank, furnish to the Bank at reasonable intervals a certificate of an
Authorized Officer of Borrower setting forth the nature and extent of all
insurance maintained by Borrower in accordance with this Section 5.1.5.

     SECTION 5.1.6. Notice of Default, Litigation, etc. Borrower will promptly
give notice to the Bank of any of the following upon becoming aware thereof:

          (a) the occurrence of any Default or Event of Default;

          (b) any litigation, arbitration or governmental investigation or
     proceeding not previously disclosed by Borrower to the Bank which has been
     instituted or, to the knowledge of Borrower, is threatened against Borrower
     or any of its Subsidiaries or to which any of its properties is subject:

               (i) which, if adversely determined, is reasonably likely to
          materially adversely affect the business, properties, operations,
          financial condition or prospects of Borrower and its Subsidiaries,
          taken as a whole, or is reasonably likely to impair the ability of
          Borrower to perform any of its obligations under this Agreement, the
          Notes or any other Instrument executed by it or to be executed
          pursuant hereto, or,

               (ii) which relates to this Agreement;

          (c) any material adverse development which shall occur in any
     litigation, arbitration or governmental investigation or proceeding
     previously disclosed by Borrower to the Bank;

                                     - 22 -


<PAGE>   28



          (d) any material development or event materially adversely affecting
     the business, properties, operations, financial condition or prospects of
     Borrower and its Subsidiaries, taken as a whole; and

          (e) the occurrence of a Reportable Event under, or the institution of
     steps by Borrower to withdraw from, or the institution of any steps to
     terminate, any Plan, in each case which might materially adversely affect
     the consolidated financial condition, operations or prospects of Borrower
     and its Subsidiaries, taken as a whole, or might impair the ability of
     Borrower to perform any of its obligations under this Agreement, the Notes
     or any other Instrument executed by it pursuant hereto.

     SECTION 5.1.7. Use of Loan Proceeds. The proceeds of each Loan will be
used for working capital and general corporate purposes including without
limitation the repayment of all outstanding Indebtedness to Star Bank, National
Association.

     SECTION 5.1.8. Books and Records. Borrower will, and will cause each of
its Subsidiaries to, keep books and records reflecting all of its business
affairs and transactions in accordance with United States generally accepted
accounting principles and permit the Bank, or any of its representatives, at
reasonable times and intervals during normal business hours, to visit all of
its offices, discuss its financial matters with its officers and independent
accountants and examine (and, at Borrower's expense, photocopy extracts from)
at Borrower's offices any of its books or other corporate records; provided
that the Bank shall give reasonable notice to Borrower prior to initiating any
discussions with the independent public accountants of Borrower (it being
understood that by providing such information and documents to the Bank
pursuant to this paragraph Borrower is not waiving any claim that such
information is confidential).  Borrower shall pay any reasonable fees of its
accountants incurred in connection with the Bank's exercise of its rights
pursuant to this Section.

     SECTION 5.1.9. Fiscal Year. Borrower will maintain a fiscal year
accounting period ending June 30.

     SECTION 5.2. Certain Negative Covenants of Borrower. Borrower agrees with
the Bank that from and after the Closing of the Acquisition until the Credit
Commitment shall have terminated and all of Borrower's liabilities under this
Agreement and the Notes shall have been paid and performed in full:

     SECTION 5.2.1. Business Activities. Borrower will not, and will not permit
its Subsidiaries to, engage in any type of business, except the Business,
provided that up to 30% of Borrower's consolidated assets may be invested in a
business

                                     - 23 -


<PAGE>   29



other than the Business. In the conduct of the Business, Borrower will, and
will cause all of its Subsidiaries to, comply in all material respects with all
applicable laws, rules and regulations, including, without limitation, those
relating to environmental protection.

     SECTION 5.2.2. Indebtedness. Borrower will not permit its Subsidiaries to
create, incur, assume or suffer to exist or otherwise become or be liable in
respect of any Indebtedness other than:

          (a) Indebtedness listed on Exhibit 5.2.2 hereto;

          (b) Indebtedness not listed on Exhibit 5.2.2 hereto in an amount at
     any one time outstanding not exceeding $1,500,000; and

          (c) Indebtedness to the Borrower or another of the Borrower's
     Subsidiaries;

provided, however, that no Indebtedness otherwise permitted by this Section
5.2.2 shall be permitted to be incurred if, after giving effect to the
incurrence thereof, a Default shall have been created or any Default shall have
occurred and be continuing.

     SECTION 5.2.3. Security Interests. Borrower will not create, incur, assume
or suffer to exist any Security Interest upon any of its or its Subsidiaries'
property or assets, whether now owned or hereafter acquired, except:

          (a) Security Interests (including Security Interests securing
     obligations under any Capitalized Leases) in (and only in) the fixed assets
     subject thereto which are granted to secure, or secure, Indebtedness of
     Borrower and its Subsidiaries in respect of Capitalized Leases pertaining
     to, or the acquisition of, any fixed assets acquired in the ordinary course
     of business, and outstanding at any one time in an aggregate principal
     amount not in excess of $350,000 and not otherwise prohibited by this
     Agreement, or any Indebtedness incurred to refinance such Indebtedness, and
     which are incurred to finance the acquisition of such assets or which
     existed with respect to such assets prior to their acquisition by Borrower;

          (b) liens for taxes, assessments or other governmental charges or
     levies not at the time delinquent or thereafter payable without penalty or
     being contested in good faith by appropriate proceedings and for which
     adequate reserves in

                                     - 24 -


<PAGE>   30



     accordance with generally accepted accounting principles shall have been
     set aside on its books;

          (c) liens of carriers, warehousemen, mechanics, materialmen and
     landlords and other similar liens incurred in the ordinary course of
     business for sums not overdue or being contested in good faith by
     appropriate proceedings (without the requirement of any bond) and for which
     adequate reserves in accordance with generally accepted accounting
     principles shall have been set aside on its books;

          (d) liens incurred in the ordinary course of business in connection
     with workmen's compensation, social security, unemployment insurance or
     other forms of governmental insurance or benefits, or to secure performance
     of tenders, statutory obligations, leases and contracts (other than for
     borrowed money) entered into in the ordinary course of business or to
     secure obligations on customs, surety, performance or appeal bonds;

          (e) judgment liens in existence less than 10 days after the entry
     thereof or with respect to which execution has been stayed or the payment
     of which is covered in full (subject to a customary deductible) by
     insurance;

          (f) Security Interests in favor of the Bank under Instruments executed
     pursuant to the Reimbursement Agreement or otherwise;

          (g) any Security Interest currently existing and listed in Exhibit
     5.2.3 hereto, and the extension and continuation thereof;

          (h) any Security Interest arising out of the refinancing, extension,
     renewal or refunding of any Indebtedness secured by any Security Interest
     permitted by any of the foregoing clauses of this Exhibit 5.2.3, provided
     that such Indebtedness is not increased and is not secured by any
     additional assets; and

          (i) reservations, exceptions, encroachments, easements, rights of way,
     covenants, conditions, restrictions and other similar title exceptions or
     encumbrances affecting real property; provided, that they do not in the
     aggregate materially detract from the value of said properties or
     materially impair their use in the operation of the Borrower's business.

     SECTION 5.2.4. Financial Condition. Borrower will not permit any of the
following to occur or exist:

                                     - 25 -


<PAGE>   31



          (a) the Consolidated Current Ratio to be less than 1.8 to 1 at any
     time;

          (b) the Consolidated Liabilities to Net Worth Ratio to be more than
     2.25 to 1.0 at any time from the Closing Date through December 31, 1996 or
     more than 2.0 to 1.0 at any time thereafter; or

          (c) the Cash Flow Coverage Ratio to be less than 1.2:1.0 for the four
     quarter period ending immediately prior to the Closing Date or ending at
     the end of any calendar quarter thereafter.

     SECTION 5.2.5. Restricted Payments, etc. On or after the date of this
Agreement, Borrower shall not at any time declare, pay or make any dividend or
distribution on any shares of capital stock of any class of Borrower (other
than dividends or distributions on its common stock payable in its stock or
splitups or reclassifications of its common stock into additional or other
shares of its stock) if (i) the aggregate amount so expended in any year shall
exceed 50% of Borrower's Consolidated Net Income for the Preceding Fiscal Year
or (ii) the aggregate amount so expended subsequent to the merger between CUAC,
Inc. and Borrower shall exceed $500,000.

     SECTION 5.2.6. Inconsistent Agreements. Borrower will not, and will not
permit any of its Subsidiaries to, enter into any agreement containing any
provision which would be violated or breached by any borrowing by Borrower made
hereunder or by the performance by Borrower of any of its obligations hereunder
or under any Instrument executed pursuant hereto by it. Borrower will not
permit any of its Subsidiaries to enter into any agreement which restricts the
ability of such Subsidiary to pay dividends to, or otherwise transfer funds to,
Borrower.

     SECTION 5.2.7. Consolidation, Merger, etc. Borrower will not (except as
contemplated by the Agreement and Plan of Merger dated as of September 23, 1996
among CLARCOR Inc., CUAC Inc. and Borrower) consolidate with or merge into or
with any other corporation (regardless of whether Borrower is the surviving
corporation); provided, however, this Section 5.2.7 shall not prohibit Borrower
from changing the domicile of its incorporation or from engaging in any merger
or consolidation in which the shareholders of Borrower immediately prior to
such merger or consolidation own not less than 80% of the shares of capital
stock (measured by voting power in the election of directors and rights upon
liquidation) of the surviving corporation; or sell, assign, transfer, convey,
lease or otherwise dispose of all or substantially all of its assets.

     SECTION 5.2.8. Modification of Articles or Regulations. Borrower will not
take any action to amend or modify any of the terms of its Articles of
Incorporation or Code of Regulations

                                     - 26 -


<PAGE>   32



which would have a material adverse effect on its financial condition or its
ability to comply with this Agreement.

     SECTION 5.2.9. Transactions with Affiliates. Borrower will not, and will
not permit any of its Subsidiaries to, except for transactions described in
Exhibit 5.2.9 hereto, enter into, or cause, suffer or permit to exist any other
transaction, arrangement or contract with any of its Affiliates (other than
Borrower or a Subsidiary) which would not be entered into by a prudent Person
in the position of Borrower or such Subsidiary or which is on terms which are
less favorable than are obtainable from any Person which is not one of its
Affiliates. The foregoing prohibition shall not apply to any transaction
intended to provide compensation to employees of Borrower or its Subsidiaries.

     SECTION 5.2.10. Leases. Borrower will not, and will not permit any of its
Subsidiaries to, enter into any leases (other than Capitalized Leases) if the
aggregate rental expense of Borrower and its Subsidiaries with respect to all
leases (other than Capitalized Leases) would exceed $850,000 per annum.

     SECTION 5.2.11. Advances to Subsidiaries. Borrower shall not during any
Fiscal Year make advances, loans or capital contributions (net of repayments of
such advances, loans and contributions) to one or more of its Subsidiaries, or
sell assets to one or more of its Subsidiaries at a price below fair market
value, in an aggregate amount exceeding 20% of Borrower's Unconsolidated Net
Worth at the end of the Preceding Fiscal Year.

     SECTION 5.2.12. Subsidiaries. Neither Borrower nor any of its Subsidiaries
will own any stock of, or any equity interest in, any entity other than a
Subsidiary which has executed and delivered to the Bank a Guarantee in the form
of Exhibit C hereto, provided that upon any acquisition of such stock or equity
interest after the date hereof, Borrower shall deliver such Guarantee to the
Bank within 30 days after such acquisition.


                                   ARTICLE VI

                               EVENTS OF DEFAULT

     SECTION 6.1. Events of Default. The term "Event of Default" shall mean
each of the following events:

     SECTION 6.1.1. Non-Payment of Liabilities. Borrower shall default in the
payment or prepayment when due of any principal of any Note, or Borrower shall
default in the payment when due of interest on any Note, or Borrower shall
default in the payment when due of any of the other liabilities or obligations
of Borrower under this Agreement or any Note.

                                     - 27 -


<PAGE>   33



     SECTION 6.1.2. Non-Performance of Certain Covenants. Borrower shall
default in the due performance and observance of any of its obligations under
Section 5.2.

     SECTION 6.1.3. Default on Other Indebtedness. Any default shall occur
under the terms applicable to any Indebtedness of Borrower representing any
borrowing or financing (including, without limitation, under the Reimbursement
Agreement) (where the aggregate principal amount of such Indebtedness is at
least $100,000) or arising under any other agreement (where the aggregate
principal amount of such Indebtedness is at least $250,000 and Borrower is not
contesting in good faith its liability with respect thereto), and such default
shall:

          (a) consist of the failure to pay such Indebtedness at the maturity
     thereof;

          (b) continue unremedied for a period of time sufficient to permit
     acceleration of such Indebtedness; or

          (c) continue unremedied (and not have been waived by the holder of
     such Indebtedness) for more than fifteen (15) days after Notice thereof
     shall have been given to Borrower by the holder of any such Indebtedness.

     SECTION 6.1.4. Bankruptcy, Insolvency, etc. Borrower shall become
insolvent or generally fail to pay, or admit in writing its inability to pay,
debts as they become due; or Borrower shall apply for, consent to, or acquiesce
in, the appointment of a trustee, receiver, sequestrator or other custodian for
Borrower or any property of Borrower, or make a general assignment for the
benefit of creditors; or, in the absence of such application, consent or
acquiescence, a trustee, receiver, sequestrator or other custodian shall be
appointed for Borrower or for a substantial part of the property of Borrower
and not be discharged within 30 days; or any bankruptcy, reorganization, debt
arrangement, or other case or proceeding under any bankruptcy or insolvency
law, or any dissolution, winding up or liquidation proceeding, shall be
commenced in respect of Borrower and, if not commenced by Borrower shall be
consented to or acquiesced in by Borrower, shall result in the entry of an
order for relief or shall remain for 30 days undismissed; or Borrower shall
take any action to authorize, or in furtherance of, any of the foregoing.

     SECTION 6.1.5. Non-Performance of Other Obligations. Borrower shall
default in the due performance and observance of any other agreement contained
herein or in any Instrument executed pursuant hereto by it, and such default
shall continue unremedied for a period of 30 days.

                                     - 28 -


<PAGE>   34



     SECTION 6.1.6. Breach of Warranty. Any representation or warranty of
Borrower hereunder or of Borrower in any Instrument, certificate or other
document furnished by or on behalf of Borrower to the Bank for the purposes of
or in connection with this Agreement shall prove to have been incorrect in any
material respect when made or deemed to have been made.

     SECTION 6.1.7. ERISA. Any of the following events shall occur with respect
to any Plan (which for purposes of this Section 6.1.7 shall mean any Plan as
defined in Section 3(2) of ERISA):

          (a) such Plan shall be terminated (or steps shall be instituted to
     effect such termination),

          (b) Borrower shall withdraw from such Plan (or shall institute steps
     to effect such withdrawal), or

          (c) any Reportable Event shall occur with respect to such Plan, and
     there shall exist a deficiency in excess of $50,000 in the assets available
     to satisfy the benefits guaranteeable under ERISA with respect to such
     Plan.

     SECTION 6.1.8. Judgments. A final judgment, a portion of which is not
covered by insurance which, with other such portions of outstanding final
judgments against Borrower or any of its Subsidiaries also not covered by
insurance, exceeds an aggregate of $100,000 shall be rendered against Borrower
or any of its Subsidiaries and (a) within 30 days after entry thereof, such
judgment shall not have been discharged or execution thereof stayed pending
appeal, or (b) within 30 days after the expiration of any such stay, such
judgment shall not have been discharged.

     SECTION 6.1.9. Default on Other Material Obligations. Borrower or any of
its Subsidiaries shall default in the payment when due, or in the performance
or observance of, any material obligation of, or condition agreed to by,
Borrower or any of its Subsidiaries with respect to any purchase or sale of
goods or services or leases or sub-leases of real or personal property (or any
interest therein) which are individually or in the aggregate material to the
financial condition, business, operations or prospects of Borrower and its
Subsidiaries, taken as a whole (except only to the extent that the existence of
any such default is being contested or intended to be contested by Borrower and
its Subsidiaries in good faith and by appropriate proceedings).

     SECTION 6.2. Action if Bankruptcy. If any Event of Default of the nature
described in Section 6.1.4 shall occur, the outstanding principal amounts of
the Note and all other Liabilities shall be and become immediately due and
payable, without notice or demand.

                                     - 29 -


<PAGE>   35



     SECTION 6.3. Action if Other Event of Default. If any Event of Default
(other than an Event of Default referred to in Section 6.2) shall occur for any
reason, whether voluntary or involuntary, and be continuing, the Bank may,
without notice or demand, declare the outstanding principal amounts of the
Notes to be due and payable and any or all other Liabilities to be due and
payable, whereupon the full unpaid amounts of the Notes and any and all other
Liabilities which shall be so declared due and payable shall be and become
immediately due and payable. The Bank shall promptly advise Borrower of any
such declaration, but failure to do so shall not impair the effect of such
declaration.

     SECTION 6.4 Right of Set Off; Security. Upon the occurrence and
continuation of an Event of Default, the Bank has the right, in addition to all
other rights and remedies available to it, to set off the unpaid balance of the
Notes and any other Indebtedness payable to the Bank held by it against any
debt owing to the Company by the Bank or by any Affiliate Bank, including,
without limitation, any obligation under a repurchase agreement or any funds
held at anytime by the Bank or any Affiliate Bank, whether collected or in the
process of collection, or in any time or demand deposit account maintained by
Borrower at, or evidenced by any certificate of deposit issued by, the Bank or
any Affiliate Bank. Borrower hereby grants, pledges, and assigns to the Bank a
security interest in, or lien upon, all cash, negotiable instruments,
securities, deposit accounts, and other cash equivalents, whether collected or
in the process of collection, whether matured or unmatured, now or hereafter in
the possession of the Bank or any Affiliate Bank and upon which the Borrower
has or may hereafter have any claim. Borrower acknowledges and agrees that all
of the foregoing shall constitute "cash collateral" for purposes of this
Agreement.  Borrower agrees, to the fullest extent it may effectively do so
under applicable law, that any holder of a participation in the Note may
exercise rights of set-off or counterclaim and other rights with respect to
such participation as fully as if such holder of a participation were a direct
creditor of Borrower pursuant to this Agreement in the amount of such
participation.

     SECTION 6.5 No Waiver. The remedies in this ARTICLE VI are in addition to,
not in limitation of, any other right, power, privilege, or remedy, either in
law, in equity, or otherwise, to which the Bank may be entitled. No failure or
delay on the part of the Bank in exercising any right, power, or remedy will
operate as a waiver thereof, not will any single or partial exercise thereof
preclude any other or further exercise thereof or the exercise of any other
right hereunder.

                                     - 30 -


<PAGE>   36



                                  ARTICLE VII

                                  DEFINITIONS

     SECTION 7.1. Defined Terms. The following terms (whether or not
underscored) when used in this Agreement shall, except where the context
otherwise requires, have the following meanings:

          "Adjusted LIBOR Rate" shall mean, for any LIBOR Interest Period, an
interest rate per annum (rounded upwards to the next higher whole multiple of
1/16% if such rate is not such a multiple) equal at all times during such LIBOR
Interest Period to the quotient of (a) the rate per annum (rounded upwards to
the next higher whole multiple of 1/16% if such rate is not such a multiple) at
which deposits in United States Dollars are offered at 11:00 A.M. (London,
England time) (or as soon thereafter as is reasonably practicable) by prime
banks in the London interbank eurodollar market two Business Days prior to the
first day of such LIBOR Interest Period in an amount and maturity of such Loan
divided by (b) a number equal to 1.00 minus the aggregate (without duplication)
of the rates (expressed as a decimal fraction) of the LIBOR Reserve
Requirements current on the date two Business Days prior to the first day of
such LIBOR Interest Period, plus an amount determined in accordance with the
following table based on the ratio of Borrower's Consolidated Liabilities to
Tangible Net Worth as of the last day of the most recent quarter for which
financial statements have been provided by Borrower to the Bank pursuant to
Section 5.1.1:

          Ratio of Consolidated                        Adjusted LIBOR
         Liabilities to Net Worth                            Rate
         ------------------------                      --------------

         2.0:1.0 to 1.5:1.0                            LIBOR + 2.25% 
         1.49:1.0 to 1.0:1.0                           LIBOR + 2.00% 
         Less than 1.0:1.0                             LIBOR + 1.75%

          "Affiliate" of any Person shall mean any other Person which, directly
or indirectly, controls or is controlled by or is under common control with
such Person.

          "Affiliate Bank" shall mean any one or more bank subsidiaries (other
than the Bank) of KeyCorp and its successors.

          "Agreement" shall mean this Amended and Restated Loan Agreement as
originally executed as of November 15, 1996 and as the same may at any time and
from time to time be amended or modified and in effect.

          "Authorized Officer" shall, when used with respect to Borrower, mean
its officers identified in certificates of its

                                     - 31 -


<PAGE>   37



Secretary or any Assistant Secretary furnished pursuant to or as contemplated
by clause (a)(ii) of Section 3.1.1.

          "Bank" shall mean KeyBank National Association, a national banking
association with its main office at 127 Public Square, Cleveland, Ohio 44114,
and its successors and assigns.

          "Bank Party" shall have the meaning assigned to it in Section 8.3.

          "Borrower" shall mean United Air Specialists, Inc., an Ohio
corporation, with its principal office located at 4440 Creek Road, Cincinnati,
Ohio 45242 and its successors.

          "Business" shall mean the business of Borrower as of the date hereof
(including without limitation the types of businesses engaged in by Borrower's
Subsidiaries existing as of the date hereof) or any business related thereto.

          "Business Day" shall mean a day of the year on which banks are not
required or authorized to close in Cincinnati, Ohio and, if the applicable
Business Day relates to any LIBOR Rate Loan, on which dealings are carried on
the London Interbank eurodollar market.

          "Capitalized Leases" shall mean, at the date any determination
thereof is to be made and when used with reference to the corporation(s)
specified, all lease obligations which are or should be, in accordance with
generally accepted accounting principles consistently applied, capitalized on
the books of such corporation(s) as lessee.

          "Cash Flow Coverage Ratio" shall mean, with respect to any date as of
which any determination thereof is to be made, the ratio of (x) the excess of
(A) the sum of Consolidated Net Income for the relevant period ending on such
date and all interest, amortization, depreciation and tax expenses deducted in
determining such Consolidated Net Income over (B) the amount of taxes actually
paid by Borrower in such period to (y) the sum of (A) all interest expense
deducted in determining such Consolidated Net Income, (B) the amount of
payments (other than interest) with respect to Indebtedness made by Borrower in
such period and (C) the amount of all capital expenditures made by Borrower in
such period, all as computed in accordance with GAAP.

          "Certified" shall, when used with respect to any financial
information of any corporation and its Subsidiaries to be certified by its
principal accounting or financial officer, indicate that such information shall
be accompanied by a certificate of such officer to the effect that such
financial information has been prepared in accordance with United States
generally accepted accounting principles consistently applied and, subject in
the case of interim financial information to

                                     - 32 -


<PAGE>   38



year-end adjustments (which, if anticipated, shall in the case of financial
information as to Borrower be footnoted), presents fairly the financial
condition and results of operations of such corporation and its Subsidiaries,
as at the date and for the periods covered thereby, subject to the absence from
any such interim statements of notes and statements of shareholders' investment
and cash flows.

          "Closing Date" shall mean the date of this Agreement.

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

          "Compliance Certificate" shall mean a certificate duly executed by
the chief accounting or financial Authorized Officer of Borrower, substantially
in the form of Exhibit E attached hereto, together with such changes as to
format as the Bank may from time to time request for purposes of monitoring
compliance herewith.

          "Consolidated Current Assets" shall mean, with respect to any date as
of which any determination thereof is to be made, all cash and cash
equivalents, accounts receivable, inventory, deposits, deferred charges,
prepaid expenses and cash surrender value of life insurance of Borrower and its
Subsidiaries classified as current assets on a consolidated balance sheet of
Borrower and its Subsidiaries as at such date.

          "Consolidated Current Liabilities" shall mean, with respect to any
date as of which any determination thereof is to be made, all liabilities of
Borrower and its Subsidiaries (other than liabilities to each other) classified
as current liabilities on a consolidated balance sheet of Borrower and its
Subsidiaries as at such date including, without limitation, all such
liabilities which by their terms are payable on demand or mature not more than
one year from the date of the incurring, extension or renewal thereof, or not
more than one year from the date as of which the determination of Consolidated
Current Liabilities is made.

          "Consolidated Current Ratio" shall mean, with respect to any date as
of which any determination thereof is to be made, the ratio of Consolidated
Current Assets as at such date to Consolidated Current Liabilities as at such
date.

          "Consolidated Liabilities" shall mean, with respect to any date as of
which any determination thereof is to be made, all liabilities of Borrower and
its Subsidiaries (other than liabilities to each other) classified as
liabilities on a consolidated balance sheet of Borrower and its Subsidiaries as
at such date.

                                     - 33 -


<PAGE>   39



          "Consolidated Liabilities to Net Worth Ratio" shall mean, with
respect to any date as of which any determination thereof is to be made, the
ratio of the Consolidated Liabilities at such date to the Consolidated Tangible
Net Worth at such date.

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

          "Consolidated Tangible Net Worth" shall mean, with respect to any
date as of which any determination thereof is to be made, the total assets of a
Person less such Person's (i) Total Indebtedness and (ii) the aggregate amount
of all intangible assets, if any, all as shown on a consolidated balance sheet
of Borrower and its Subsidiaries if prepared at such date.

          "Control" (including "controlling", "controlled by" and "under common
control with") means the possession, direct or indirect, of the power to direct
or cause the direction of the management and policies of a Person, whether
through the ownership of voting securities, by contract or otherwise.

          "Credit Commitment" shall have the meaning assigned to that term in
Section 1.1.

          "Credit Commitment Amount" shall have the meaning assigned to that
term in Section 1.2.

          "Credit Commitment Termination Date" shall mean the earlier to occur
of (x) November 15, 1997, provided that if the Bank shall fail to notify
Borrower not later than 30 days prior to the Credit Commitment Termination Date
that the Credit Commitment will not be extended, and if on the Credit
Commitment Termination Date Borrower is in full compliance with this Agreement,
no Default exists, and there has been no material adverse change in Borrower's
consolidated financial condition or results of operations, the Credit
Commitment Termination Date shall be extended until the first anniversary of
such Credit Commitment Termination Date and Credit Commitment Termination Date
shall mean such Date as extended, and (y) the date upon which the Credit
Commitment has terminated pursuant to Section 1.3 or, if such earlier date is
not a Business Day, the next preceding Business Day.

          "Credit Note" shall have the meaning assigned to that term in Section
2.2.

          "Default" shall mean any Event of Default or any condition, action or
failure to act which, with the passage of time, service of notice, or both,
would constitute an Event of Default.

          "Dollars" and the sign "$" shall mean lawful money of the United
States of America.

                                     - 34 -


<PAGE>   40




          "Environmental Law" shall mean any federal, state, or local statute,
law, ordinance, code, rule, regulation, order or decree regulating, relating
to, or imposing liability upon a Person in connection with the use, release or
disposal of any hazardous, toxic or dangerous substance, waste or material.

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

          "Event of Default" shall have the meaning provided in Section 6.1.

          "Fiscal Year" shall mean Borrower's fiscal year ending June 30 of
each year.

          "Guaranty" and "Guaranties" shall mean, respectively, (i) any
agreement, undertaking or arrangement by which any Person guarantees, endorses
or otherwise becomes or is contingently liable upon (by direct or indirect
agreement, contingent or otherwise, to provide funds for payment, to supply
funds to, or otherwise to invest in, a debtor, or otherwise to assure a
creditor against loss) the debt, obligation or other liability of any other
Person (other than by endorsements of instruments in the ordinary course of
collection), or guarantees the payment of dividends or other distributions upon
the shares of any other Person, and (ii) all of the foregoing, collectively.
The amount of the obligor's obligation under any Guaranty shall (subject to any
limitation set forth therein) be deemed to be the amount of such other Person's
debt, obligation or other liability guaranteed.

          "hereof", "hereto", "hereunder" and similar terms shall refer to this
Agreement and not to any particular Section or provision of this Agreement.

          "Indebtedness" of any Person shall mean:

               (a) all obligations of such Person for borrowed money
          (including, without limitation, all notes payable and drafts accepted
          representing extensions of credit and all obligations evidenced by
          bonds, debentures, notes or other similar instruments), incurred or
          assumed, or on which interest charges are customarily paid:

               (b) whether or not so included as liabilities in accordance with
          generally accepted accounting principles,

               (i) all indebtedness (excluding, however, prepaid interest
               thereon) secured by a Security Interest in

                                     - 35 -


<PAGE>   41



               property owned or being purchased or acquired by such Person for
               use, consumption or employment in its business (including,
               without limitation, indebtedness arising under conditional sales
               or other title retention agreements) whether or not such
               indebtedness shall have been assumed by such Person,

               (ii) all Guaranties,

               (iii) all indebtedness under Capitalized Leases, and

               (iv) all obligations for the deferred purchase price of a
               capital asset excluding trade payables; and

               (c) any obligation of such Person under any interest rate or
          currency swap agreement or similar arrangement.

          "Indemnified Liabilities" shall have the meaning assigned to that
term in Section 8.3.

          "Instrument" shall mean any document or writing (whether by formal
agreement, letter or otherwise) under which any obligation is evidenced,
assumed or undertaken, or any right to any Security Interest is granted or
perfected.

          "Instrument executed pursuant hereto" and similar terms shall
include, without limitation, the Notes and each other Instrument executed and
delivered to the Bank by Borrower or any other Person pursuant hereto, whether
or not mentioned herein.

          "Liabilities" shall mean all items which, in accordance with
generally accepted accounting principles would be included as liabilities on
the liability side of a balance sheet of such person as of the date at which
such liabilities are to be determined.

          "LIBOR Interest Period" shall mean, with respect to an Adjusted LIBOR
Rate election, a period of one month commencing on a Business Day selected by
the Borrower pursuant to this Agreement. Such LIBOR Interest Period shall end
on the day in the succeeding calendar month or months which corresponds
numerically to the beginning day of such LIBOR Interest Period, provided,
however, that if there is no such numerically corresponding day in such
succeeding month or months, such LIBOR Interest Period shall end on the last
Business Day of such succeeding month or months. If a LIBOR Interest Period
would otherwise end on a day which is not a business Day, such LIBOR

                                     - 36 -


<PAGE>   42



Interest Period shall end on the next succeeding Business Day, provided,
however, that if said next succeeding Business Day fails in a new month, such
LIBOR Interest Period shall end on the immediately preceding Business Day.

          "LIBOR Rate Loan" shall mean any Loan that bears interest with
reference to the Adjusted LIBOR Rate.

          "LIBOR Reserve Requirements" shall mean, for any LIBOR Interest
Period for any LIBOR Rate Loan, the maximum reserves (whether basic,
supplemental, marginal, emergency or otherwise) prescribed by the Board of
Governors of the Federal Reserve System (or any successor) with respect to the
liabilities or assets consisting of or including "Eurocurrency Liability" (as
defined in Regulation D of the Board of Governors of the Federal Reserve
System) having a term equal to such LIBOR Interest Period.

          "Loan" and "Loans" shall have the respective meanings assigned to
those terms in Section l.l(b).

          "Loan Request" shall mean a loan request and certificate duly
executed by the chief executive, accounting or financial Authorized Officer of
Borrower, substantially in the form of Exhibit F attached hereto.

          "Multiemployer Plan" shall have the meaning provided in Section 3(37)
of ERISA.

          "Notes" and "Note" shall mean, respectively, the Term Note and the
Credit Note, collectively and individually.

          "Notice" shall mean notice given in accordance with Section 8.2 in
writing.

          "Payment Office" shall mean the office of KeyBank National
Association, located on the date hereof at 525 Vine Street, Cincinnati, Ohio
45202, Attention: John M. Langenderfer, Vice President (FAX (513) 762-8222), or
such other office located in the United States of a bank or financial
institution as the Bank may from time to time designate in a notice to
Borrower.

          "Person" shall mean any natural person, corporation (which shall be
deemed to include business trust), association, limited liability company,
partnership, joint venture, political entity, or political subdivision thereof.

          "Plan" shall mean an employee benefit plan as to which Borrower or
any of its Subsidiaries may have any liability.

          "Prime Rate" shall mean that interest rate established from time to
time by the Bank as the Bank's Prime Rate, whether or not such rate is publicly
announced. The Prime Rate may not

                                     - 37 -


<PAGE>   43



be the lowest interest rate charged by Bank for commercial or other extensions
of credit.

          "Prime Rate Loan" shall mean any Loan that bears interest with
reference to the Prime Rate.

          "Quarterly Payment Date" shall mean the last day of March, June,
September and December or, if any such day is not a Business Day, the next
succeeding Business Day.

          "Reimbursement Agreement" shall mean the Reimbursement Agreement
dated as of May 15, 1990 between Borrower and the Bank, as successor to Society
National Bank, as amended.

          "Regulation U" shall mean Regulation U of the Board of Governors of
the Federal Reserve System as from time to time amended and in effect, or any
regulations substituted therefor.

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

          "Security Instrument" shall mean any mortgage, security agreement,
chattel mortgage, assignment, financing or similar statement or notice,
continuation statement, other agreement or Instrument, or amendment or
supplement to any thereof, providing for, evidencing or perfecting any Security
Interest or lien.

          "Security Interest" shall, when used with respect to any Person, mean
any interest granted by such Person in any real or personal property, asset or
other right owned or being purchased or acquired by such Person for its own
use, consumption or employment in its business (excluding, however,
consignments of stocks of goods by suppliers thereof not yet consumed by such
Person and finished goods inventory finally accepted by its customers) which
secures payment or performance of any obligation and shall include any
mortgage, lien, encumbrance, pledge, deposit, charge or other security interest
of any kind, including any conditional sale or other title retention agreement,
whether arising under a Security Instrument or as a matter of law, judicial
process or otherwise.

          "Special Term Loan" shall have the meaning assigned to that term in
Section 1.5.

          "Subsidiary" shall mean any Person of which more than fifty percent
(50%) of (i) the voting stock entitling the holders thereof to elect a majority
of the board of directors, managers, or trustees thereof, or (ii) the interest
in the capital or profits of such Person, which at the time is owned or
controlled, directly or indirectly, by Borrower or one or more other
Subsidiaries.

                                     - 38 -


<PAGE>   44



          "Taxes" shall have the meaning assigned to that term in clause (f) of
Section 2.5.

          "Term Commitment" shall have the meaning assigned to that term in
Section 1.1(a).

          "Term Commitment Amount" shall have the meaning assigned to that term
in Section 1.2.

          "Term Loan" shall have the meaning assigned to that term in Section
1.1(a).

          "Term Loan Maturity Date" shall mean August 15, 2001 or such earlier
date on which the entire principal amount of the Term Loan shall be due and
payable.

          "Term Note" shall have the meaning assigned to that term in Section
2.2.

          "Total Indebtedness" shall mean the total of all items of
indebtedness or liability which in accordance with GAAP would be included in
determining total liabilities on the liability side of the balance sheet as of
the date of determination.

     SECTION 7.2. Use of Defined Terms. Terms for which meanings are provided
in this Agreement shall, unless otherwise defined or the context otherwise
requires, have such meanings when used in each Loan Request, Compliance
Certificate and other notice and communication delivered from time to time in
connection with this Agreement or any Instrument executed Pursuant hereto.

     SECTION 7.3. Accounting and Financial Determinations. Where the character
or amount of any asset or liability or item of income or expense is required to
be determined, or any accounting computation is required to be made, for the
purpose of this Agreement (including, without limitation, Sections 5.2.4 and
5.2.11), such determination or calculation shall, to the extent applicable and
except as otherwise specified in this Agreement (including, without limitation,
in the definition of the term "Certified"), be made in accordance with United
States generally accepted accounting principles applied on a basis consistent
with the audited consolidated financial statements of Borrower referred to in
Section 4.1.4, except insofar as:

          (a) Borrower shall have elected (with the concurrence of its
independent public accountants) to adopt more recently promulgated generally
accepted accounting principles (which election shall continue to be effective
for subsequent years); and

          (b) the Bank shall have consented to such election (it being
understood that such consent may be

                                     - 39 -


<PAGE>   45



conditioned upon the negotiation of such changes to this Agreement, including,
without limitation, Sections 5.2.4 and 5.2.11, as the Bank may in its sole
discretion deem appropriate in light of the probable effect of such election).


                                  ARTICLE VIII

                                 MISCELLANEOUS

     SECTION 8.1. Waivers, Amendments, etc. The provisions of this Agreement
and of each Instrument executed pursuant hereto may from time to time be
amended, modified or waived, only if such amendment, modification or waiver is
in writing and executed by Borrower and the Bank.

     No failure or delay on the part of the Bank or the holder of the Note in
exercising any power or right under this Agreement or any Instrument executed
pursuant hereto shall operate as a waiver thereof, nor shall any single or
partial exercise of any such power or right preclude any other or further
exercise thereof or the exercise of any other power or right. No notice to or
demand on Borrower in any case shall entitle it to any notice or demand in
similar or other circumstances.

     No waiver or approval by the Bank or the holder of any Note under this
Agreement or any Instrument executed pursuant hereto shall, except as may be
otherwise stated in such waiver or approval, be applicable to subsequent
transactions. No waiver or approval hereunder shall require any similar or
dissimilar waiver or approval thereafter to be granted hereunder.

     SECTION 8.2. Costs and Expenses. Borrower agrees (x) to reimburse the Bank
upon demand for all reasonable out-of-pocket expenses (including, without
limitation, attorneys' fees and related out-of-pocket expenses) incurred by
such Bank in connection with the preparation and negotiation of the Agreement,
the Notes and each other Instrument executed pursuant hereto and in enforcing
the obligations of Borrower hereunder or under any Note or any other Instrument
executed pursuant hereto and (y) to pay and save the Bank harmless from any and
all liabilities with respect to, or resulting from any delay, on the part of
Borrower or on the part of the Bank but arising from any failure of Borrower to
pay any such amount to the Bank, in paying, stamp and other taxes, if any,
which may be payable or determined to be payable in connection with the
execution and delivery of, or consummation of any of the transactions
contemplated by, or any amendment of, this Agreement, the Notes or any other
Instrument executed pursuant hereto. The obligations of Borrower under this
Section shall survive any termination of this Agreement.

                                     - 40 -


<PAGE>   46



     SECTION 8.3. Indemnification. In consideration of the execution and
delivery of this Agreement by the Bank and the extension of the Commitments,
Borrower hereby agrees to indemnify, exonerate, pay and hold the Bank, each
Affiliate of the Bank and its respective officers, directors, employees and
agents (herein collectively called the "Bank Parties" and individually called a
"Bank Party") free and harmless from and against any and all actions, causes of
action, judgments, suits, losses, liabilities, obligations, damages, costs and
expenses of any kind or nature in connection therewith (whether or not such
Bank Party is a party thereto), including, without limitation, attorneys' fees
and disbursements (herein collectively called the "Indemnified Liabilities"),
incurred by the Bank Parties or any of them as a result of, or arising out of,
or relating to

          (a) any transaction financed or to be financed in whole or in part,
directly or indirectly with the proceeds of any Loan, or

          (b) the execution, delivery, performance or enforcement of this
Agreement by any of the Bank Parties.

Borrower further agrees to indemnify the Bank against any loss or expense which
the Bank may sustain or incur as a consequence of any default by Borrower in
payment when due of any amount due hereunder in respect of any LIBOR Rate Loan,
including, but not limited to, any loss of profit, premium, or penalty incurred
by the Bank in respect of funds borrowed by it for the purpose of making or
maintaining any such Loan, as determined by the Bank in the exercise of its
sole but reasonable discretion. A certificate as to any such loss or expense
shall be promptly submitted by the Bank to Borrower and shall, in the absence
of manifest error, be conclusive and binding as to the amount thereof. Except
for any such Indemnified Liabilities arising on account of such Bank Party's
gross negligence or willful misconduct and, if and to the extent that the
foregoing undertaking may be unenforceable for any reason, Borrower hereby
agrees to make the maximum contribution to the payment and satisfaction of each
of the Indemnified Liabilities which is permissible under applicable law. The
provisions of this Section 8.3 shall apply whether or not any Loans have been
made by any Bank pursuant to the terms of this Agreement and the obligations of
Borrower under this Section 8.3 shall survive any termination of this
Agreement.

     SECTION 8.4. Severability. Any provision of this Agreement or any
Instrument executed pursuant hereto which is prohibited or unenforceable in any
jurisdiction shall, as to such jurisdiction, be ineffective to the extent of
such prohibition or unenforceability without invalidating the remaining
provisions of this Agreement or such Instrument or affecting the validity or
enforceability of such provision in any other jurisdiction.

                                     - 41 -


<PAGE>   47




     SECTION 8.5. Cross-References. References in this Agreement and in each
Instrument executed pursuant hereto to any Section or Article are, unless
otherwise specified, to such Section or Article of this Agreement or such
Instrument, as the case may be, and references in any Section, Article or
definition to any clause are, unless otherwise specified, to such clause of
such Section, Article or definition.

     SECTION 8.6. Headings. The various headings of this Agreement and of each
Instrument executed pursuant hereto are inserted for convenience only and shall
not affect the meaning or interpretation of this Agreement or such Instrument
or any provisions hereof or thereof.

     SECTION 8.7. Counterparts. This Agreement may be executed by the parties
hereto in several counterparts, and by different parties on separate
counterparts, each of which counterparts shall be deemed to be an original and
all of which counterparts together shall constitute but one and the same
agreement.

     SECTION 8.8. Governing Law. This Agreement, the Notes and each other
Instrument executed pursuant hereto shall, except as otherwise provided
therein, each be deemed to be a contract made under and governed by the laws of
the State of Ohio, without regard to conflict of law principles.

     SECTION 8.9. Successors and Assigns. This Agreement shall be binding upon
and shall inure to the benefit of the parties hereto and their respective
successors and assigns except that Borrower may not assign nor transfer its
respective rights hereunder or any interest herein (voluntarily, by operation
of law or otherwise) without the prior written consent of the Bank.

     SECTION 8.10. Notices. All notices and other communications provided to
any party hereto under this Agreement or any Instrument executed pursuant
hereto shall be in writing and shall be personally delivered or sent by
registered or certified mail, postage prepaid, return receipt requested, or by
prepaid courier service, or by telecopy (confirmed with a copy by mail) and
shall be deemed to be given for purposes of this Agreement (i) on the day that
such writing is so delivered, in the case of notices given by mail or by
courier, or (ii) on the date when such writing is so sent, in the case of
notices given by telecopy, in each case addressed to the intended recipient
thereof at its address (or telecopy number) set forth below its signature
hereto or at such other address (or telecopy number) as may be designated by
such party in a notice to each other party.

     SECTION 8.11 Survival of Agreements; Relationship. All agreements,
representations, and warranties made in this Agreement will survive the making
of the extension of credit hereunder, and will bind and inure to the benefit of
Borrower and the Bank, and their respective successors and assigns; provided,

                                     - 42 -


<PAGE>   48



that no subsequent holder of a Note shall by reason of acquiring that Note
become obligated to make any Loan hereunder and no successor to or assignee of
Borrower may borrow hereunder without the Bank's written assent. The
relationship between Borrower and the Bank with respect to this Agreement, the
Notes and any other Loan Document is and shall be solely that of debtor and
creditor, respectively, and the Bank has no fiduciary obligation toward
Borrower with respect to any such document or the transactions contemplated
thereby.

     SECTION 8.12 JURY TRIAL WAIVER. BORROWER AND THE BANK EACH WAIVE ANY RIGHT
TO HAVE A JURY PARTICIPATE IN RESOLVING ANY DISPUTE, WHETHER SOUNDING IN
CONTRACT, TORT OR OTHERWISE, BETWEEN THE BANK AND BORROWER ARISING OUT OF, IN
CONNECTION WITH, RELATED TO, OR INCIDENTAL TO THE RELATIONSHIP ESTABLISHED
BETWEEN THEM IN CONNECTION WITH THIS AGREEMENT OR ANY NOTE OR OTHER INSTRUMENT,
DOCUMENT OR AGREEMENT EXECUTED OR DELIVERED IN CONNECTION HEREWITH OR THE
TRANSACTIONS RELATED THERETO. THIS WAIVER SHALL NOT IN ANY WAY AFFECT, WAIVE,
LIMIT, AMEND OR MODIFY THE BANK'S ABILITY TO PURSUE REMEDIES PURSUANT TO ANY
CONFESSION OF JUDGMENT OR COGNOVIT PROVISION CONTAINED IN ANY NOTE OR OTHER
INSTRUMENT, DOCUMENT OR AGREEMENT BETWEEN THE BANK AND BORROWER.

     SECTION 8.13. JURISDICTION, ETC. AS A SPECIFICALLY BARGAINED INDUCEMENT
FOR THE BANK TO ENTER INTO THIS AGREEMENT AND TO MAKE THE LOANS, BORROWER
AGREES THAT ANY ACTION, SUIT OR PROCEEDING IN RESPECT OF OR ARISING OUT OF THIS
AGREEMENT, OR ITS VALIDITY OR PERFORMANCE, SHALL BE INITIATED AND PROSECUTED AS
TO ALL PARTIES AND THEIR SUCCESSORS AND ASSIGNS AT CINCINNATI, OHIO. EACH OF
THE BANK AND BORROWER CONSENTS TO AND SUBMITS TO THE EXERCISE OF JURISDICTION
OVER ITS PERSON BY ANY COURT SITUATED AT CINCINNATI, OHIO HAVING JURISDICTION
OVER THE SUBJECT MATTER, WAIVES PERSONAL SERVICE OF ANY AND ALL PROCESS UPON IT
AND CONSENTS THAT ALL SUCH SERVICE OF PROCESS BE MADE BY CERTIFIED MAIL
DIRECTED TO BORROWER AND THE BANK AT THEIR RESPECTIVE ADDRESSES AS SET FORTH IN
SECTION 8.10 HEREOF OR AS OTHERWISE PROVIDED UNDER THE LAWS OF THE STATE OF
OHIO. BORROWER WAIVES ANY OBJECTION BASED ON FORUM NON CONVENIENS AND ANY
OBJECTION TO VENUE OF ANY ACTION INSTITUTED HEREUNDER.

                                     - 43 -


<PAGE>   49


     IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be
executed by their respective officers "hereunto duly authorized as of the day
and year first above written.

                                    UNITED AIR SPECIALISTS, INC.

                                    By:   /s/ WILLIAM M. REHL, III 
                                          ---------------------------
                                              William M. Rehl, III 
                                    Address:  4440 Creek Road
                                              Cincinnati, Ohio 45242

                                    Telecopy: (513) 891-0400

                                    KEYBANK NATIONAL ASSOCIATION

                                    By:   /s/ JOHN M. LANGENDERFER 
                                          --------------------------
                                              John M. Langenderfer 
                                    Title:    Vice President 
                                    Address:  525 Vine Street
                                              Cincinnati, Ohio  45202

                                              Attention:

                                    Telecopy: (513) 762-8222


                                     - 44 -



<PAGE>   1
                                                                 EXHIBIT 10.1(4)

                                AMENDMENT NO. 5

     THIS AMENDMENT NO. 5 (the "Amendment") is entered into as of the 15th day
of November, 1996 by and between United Air Specialists, Inc., an Ohio
corporation (the "Company"), and KeyBank National Association, a national
banking association (the "Bank").

                              W I T N E S S E T H:

     WHEREAS, the Company and the Bank (as successor in interest to Society
National Bank) are parties to a Reimbursement Agreement dated as of May 15,
1990 (as previously amended, the "Reimbursement Agreement");

     WHEREAS, the Company and the Bank desire to amend the Reimbursement
Agreement pursuant to the terms and conditions contained herein;

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

     1. Section 6.8 of the Reimbursement Agreement is hereby amended to
incorporate in place thereof the provisions of Section 5.2.4 and the relevant
definitions in Section 7.1 of the Amended and Restated Loan Agreement dated as
of November 15, 1996 between the Company and the Bank, as such Agreement may be
amended from time to time hereafter.

     2. The Bank hereby consents to the merger of the Company as contemplated
by the Agreement and Plan of Merger dated as of September 23, 1996 among
CLARCOR Inc., CUAC Inc. and the Company and waives any Default with respect
thereto arising under Section 7.1 of the Reimbursement Agreement.

     3. This Amendment shall be effective upon delivery to the Bank of:

          (a) this Amendment duly executed by the Company; and

          (b) a copy of the resolutions of the Board of Directors of the Company
              authorizing the execution and delivery of this Amendment, which
              resolutions shall be in form and substance satisfactory to the
              Bank and its counsel and shall be certified by an officer of the
              Company as being true and complete and in full force and effect,
              together with a certificate as to the individual authorized to
              sign this Amendment (with a specimen signature included and
              certified to).


<PAGE>   2



Any or all of the foregoing conditions to effectiveness of this Amendment may
at any time be waived by the Bank at its sole option.

     4. All representations, warranties and covenants of the Company set forth
in the Reimbursement Agreement shall be deemed restated as of the date hereof,
and the Company further represents and warrants that:

          (a) This Amendment has been duly executed and delivered by the
Company and authorized by all requisite corporate action of the Company;

          (b) The execution and delivery by the Company of this Amendment do
not constitute a violation of any applicable law or a breach of any provision
contained in the Company's Articles of Incorporation, Code of Regulations or
other organizational or corporate governance documents or contained in any
order of any court or any other governmental agency or in any agreement,
instrument or document to which the Company is a party or by which the Company
or any of its assets or properties are bound; and

          (c) On the date hereof the Company is in full compliance with the
Reimbursement Agreement, no Default exists and there has been no material
adverse change in the Company's consolidated financial condition or results of
operations.

     5. All amendments to the Reimbursement Agreement set forth herein shall be
deemed effective as of the date hereof.

     6.   (a) This Amendment shall be subject to and governed by the internal
laws of the State of Ohio.

          (b) Except as amended hereby, the Reimbursement Agreement shall
remain in full force and effect.

          (c) This Amendment may be executed by the parties hereto in several
counterparts, each of which shall be deemed to be an original and all of which
together shall constitute one and the same agreement.

          (d) The Company shall reimburse the Bank for all legal and other fees
and expenses incurred in connection with this Amendment.

          (e) All capitalized terms used herein without definition should have
the respective meanings ascribed to them in the Reimbursement Agreement.

                                     - 2 -


<PAGE>   3


     IN WITNESS WHEREOF, the undersigned have executed this Amendment as of the
date first above written.

                                        UNITED AIR SPECIALISTS, INC.

                                        By: /s/ WILLIAM M. REHL, III 
                                            --------------------------
                                                William M. Rehl, III


                                        KEYBANK NATIONAL ASSOCIATION

                                        By: /s/ JOHN M. LANGENDERFER 
                                            -------------------------
                                                John M. Langenderfer


                                     - 3 -



<PAGE>   1
                                                                 EXHIBIT 10.1(5)

                                AMENDMENT NO. 1

     THIS AMENDMENT NO. 1 (the "Amendment") is entered into as of the 15th day
of November, 1996 by and between United Air Specialists, Inc. -- Deutschland
Branch (the "Borrower"), and KeyBank National Association, a national banking
association (the "Bank").

                              W I T N E S S E T H:

     WHEREAS, the Borrower and the Bank (as successor in interest to Society
National Bank) are parties to the Loan Agreement dated as of November 19, 1994
(the "Loan Agreement") pursuant to which the Bank has advanced to the Borrower
the principal amount of DM 2,100,000;

     WHEREAS, the Borrower and the Bank desire to amend the Loan Agreement
pursuant to the terms and conditions herein contained;

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

     1. The definition of "Revolving Credit Agreement" shall be amended to read
in its entirety as follows:

          "Revolving Credit Agreement" shall mean the Amended and Restated Loan
Agreement dated as of November 15, 1996, between the Borrower and the Bank as
the same may at any time and from time to time be modified, supplemented or
amended and in effect.

     2. The Borrower hereby represents and warrants to the Bank that on the
date hereof the Borrower is in full compliance with the Loan Agreement, no
Default exists and there has been no material adverse change in the Borrower's
consolidated financial condition or results of operations.

     3. All amendments to the Loan Agreement set forth herein shall be deemed
effective as of the date hereof.

     4.   (a) This Amendment shall be subject to and governed by the internal
laws of the State of Ohio.

          (b) Except as amended hereby, the Loan Agreement shall remain in full
force and effect.

          (c) This Amendment may be executed by the parties hereto in several
counterparts, each of which shall be deemed to be an original and all of which
together shall constitute one and the same agreement.

          (d) The Borrower shall reimburse the Bank for all legal and other
fees and expenses incurred in connection with this Amendment.


<PAGE>   2



          (e) All capitalized terms used herein without definition shall have
the respective meanings ascribed to them in the Loan Agreement.

     IN WITNESS WHEREOF, the undersigned have executed this Amendment as of the
date first above written.

                                      UNITED AIR SPECIALISTS, INC. --
                                      DEUTSCHLAND BRANCH

                                      By: /s/ WILLIAM M. REHL, III 
                                          ---------------------------      
                                              William M. Rehl, III


                                      KEYBANK NATIONAL ASSOCIATION

                                      By: /s/ JOHN M. LANGENDERFER 
                                          --------------------------
                                              John M. Langenderfer


                                     - 2 -



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<FISCAL-YEAR-END>                          JUN-30-1996
<PERIOD-START>                             JUL-01-1996
<PERIOD-END>                               DEC-31-1996
<CASH>                                            1557
<SECURITIES>                                         0
<RECEIVABLES>                                     6282
<ALLOWANCES>                                       200
<INVENTORY>                                       7021
<CURRENT-ASSETS>                                 15717
<PP&E>                                           13683
<DEPRECIATION>                                    7774
<TOTAL-ASSETS>                                   22347
<CURRENT-LIABILITIES>                             5824
<BONDS>                                           2489
<COMMON>                                           966
                                0
                                          0
<OTHER-SE>                                        7747
<TOTAL-LIABILITY-AND-EQUITY>                     22347
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<TOTAL-REVENUES>                                 19470
<CGS>                                            12992
<TOTAL-COSTS>                                    12992
<OTHER-EXPENSES>                                     0
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<INTEREST-EXPENSE>                                 298
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