TOP AIR MANUFACTURING INC
10KSB, 1999-08-30
FARM MACHINERY & EQUIPMENT
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                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                   FORM 10-KSB

[x]      Annual Report Under Section 13 or 15(d) of the Securities  Exchange Act
         of 1934. For the fiscal year ended May 31, 1999.

[ ]      Transition  Report  Under  Section  13  or  15(d)  of  the   Securities
         Exchange Act of 1934. For the transition  period from  _____________ to
         ______________.

Commission file number 1-13679

                           TOP AIR MANUFACTURING, INC.
                 (Name of Small Business Issuer in its Charter)

            Iowa                                            42-1155462
(State or Other Jurisdiction of                         (I.R.S. Employer
 Incorporation or Organization)                        Identification No.)

317 Savannah Park Road, Cedar Falls, Iowa                     50613
 (Address of Principal Executive Offices)                  (Zip Code)

                                 (319) 268-0473
                           (Issuer's Telephone Number)

Securities registered under Section 12(b) of the Exchange Act:

Title of each class:                  Name of each exchange on which registered:
Common Stock, No Par Value                 The American Stock Exchange

Securities registered under Section 12(g) of the Act:  None

Check whether the Issuer:  (1) filed all reports required to be filed by Section
13 or 15(d) of the  Exchange  Act during the past 12 months (or for such shorter
period  that the Issuer was  required  to file such  reports),  and (2) has been
subject to such filing requirements for the past 90 days. Yes [X] No [ ]

Check if there is no disclosure of delinquent  filers in response to Item 405 of
Regulation S-B contained in this form, and no disclosure  will be contained,  to
the best of Issuer's  knowledge,  in definitive proxy or information  statements
incorporated  by reference  in Part III of this Form 10-KSB or any  amendment to
this Form 10-KSB. [X]

The Issuer's revenues for its most recent fiscal year are $12,295,853.

The  aggregate  market  value of the  voting  stock held by  non-affiliates  was
approximately  $1,740,616 as of August 23, 1999 (The  exclusion from such amount
of the  market  value of the shares  owned by any person  shall not be deemed an
admission  by the Issuer that such person is an  affiliate  of the  Issuer.) The
Issuer had 4,968,957  shares of common stock,  no par value,  outstanding  as of
August 23, 1999.

Portions of the definitive  proxy  statement of the Issuer for the Issuer's 1999
annual meeting of  shareholders,  which definitive proxy statement will be filed
with the  Securities  and Exchange  Commission not later than September 28, 1999
(120 days after the end of the Issuer's  most recently  completed  fiscal year),
are hereby  incorporated  by  reference  into Items 9, 10, 11 and 12 of Part III
hereof.

Transitional Small Business Disclosure Format  Yes  [  ]    No [X].


<PAGE>
                                TABLE OF CONTENTS

                                     PART I

                                                                         Page

ITEM 1.  Description of Business                                          3

ITEM 2.  Description of Property                                          7

ITEM 3.  Legal Proceedings                                                7

ITEM 4.  Submission of Matters to a Vote of
         Security Holders                                                 8



                                     PART II

ITEM 5.  Market for Common Equity and Related
         Stockholder Matters                                              8

ITEM 6.  Management's Discussion and Analysis or
         Plan of Operation                                                9

ITEM 7.  Financial Statements                                            13

ITEM 8.  Changes In and Disagreements With Accountants on
         Accounting and Financial Disclosure                             13


                                    PART III

ITEM 9.  Directors, Executive Officers, Promoters and
         Control Persons; Compliance with Section 16(a)
         of the Exchange Act                                             14

ITEM 10. Executive Compensation                                          14

ITEM 11. Security Ownership of Certain Beneficial Owners
         and Management                                                  14

ITEM 12. Certain Relationships and Related Transactions                  14

ITEM 13. Exhibits and Reports on Form 8-K                                14

SIGNATURES

INDEX TO EXHIBITS

                                       2
<PAGE>


The  information  contained in  this Form 10-KSB includes  statements  regarding
matters that are not historical facts (including statements as to the beliefs or
expectations  of the Company) which are  forward-looking  statements  within the
meaning of the federal securities laws. Because such forward-looking  statements
include  risks and  uncertainties,  the  Company's  actual  results could differ
materially from those discussed  herein.  Factors that could cause or contribute
to such  differences  include,  but are not limited to,  those  discussed in the
sections  captioned  "Description  of Business,"  "Management's  Discussion  and
Analysis or Plan of Operation" and those factors discussed in Exhibit 99.

                                     PART I

                        Item 1 - Description of Business

General

         Top Air Manufacturing,  Inc.  (hereinafter  referred to as "Top Air" or
         the "Company") was incorporated  under the laws of the State of Iowa in
         1981.  Top Air is  engaged in the  business  of  manufacturing  several
         products used primarily in agricultural  operations,  including several
         types of agricultural sprayers, liquid manure handling equipment, grain
         carts and  wagons,  weigh  wagons,  milking  parlors,  seed  conveyors,
         feeding and forage  equipment and a line of attachments and replacement
         parts  for all of the  products  that  the  Company  manufactures.  The
         Company currently  manufactures its products in two facilities,  one in
         Cedar Falls, Iowa and the other in Jefferson, Iowa.

Acquisitions

         On March 5, 1999, the Company acquired  substantially all of the assets
         of  Parker  Industries,  a  division  of  Owosso  Corporation  ("Parker
         Industries")   in  exchange  for  a  cash  payment  of  $3,500,000,   a
         non-interest  bearing note for $3,500,000 due February 15, 2001 and the
         assumption  of  current  liabilities  in the  amount of  $500,000.  The
         Company effected this transaction through its wholly-owned  subsidiary,
         Parker  Industries,  Inc.,  organized for purposes of the  transaction,
         pursuant to an Asset Purchase  Agreement dated March 3, 1999.  Prior to
         the  transaction,  Parker  Industries was a manufacturer of grain carts
         and wagons and bulk grain handling  equipment for nearly 40 years.  The
         Company currently intends to continue the business of Parker Industries
         in  substantially  the  same  manner  as it was  conducted  before  the
         completion of the transaction.

         In  January  1997,  Top Air  indirectly  acquired  all of the assets of
         Ficklin  Machine Co., Inc.  ("Ficklin  Machine") by  purchasing  all of
         Ficklin Machine's capital stock in exchange for 1,150,000 shares of Top
         Air's no par value common stock.

Business of Issuer

         Principal Products and Markets

         Sprayers.   The  Company  currently   manufactures   several  types  of
         agricultural   sprayers   including  skid  mount,   two-wheel   models,
         three-wheel  models,  saddle tank  models,  home lawn  models,  trailer
         sprayers, tandem wheel sprayers, T-Tank sprayers, Master Link sprayers,
         and  models  which can be  mounted  in the bed of a pickup  truck.  The
         sprayers  are  sold in  sizes  ranging  in  capacity  from 14 to  1,100
         gallons.  The Company also offers various  accessories for the sprayers
         including several models of folding and self-leveling  booms in various
         lengths and designs.

                                      3
<PAGE>

         The sprayers are used  primarily  for farming  activities.  They can be
         pulled  directly  by a tractor  or they can be hooked to a disc so that
         their  combined  functions  allow the farmer to eliminate one trip over
         the  ground.  The  sprayers  are used for  spraying  jobs of all types,
         including the spraying of chemicals, fertilizers, insecticides and weed
         killers. They are used by farmers and commercial sprayers primarily for
         row  crops,  but  can  also  be  used on  other  crops,  golf  courses,
         cemeteries, etc. The wheels may be adjusted to compensate for difficult
         row  crop  widths.  Trees  and  shrubs  may be  sprayed  by a hand  gun
         attachment to the sprayers.

         Manure  Handling  Equipment.  This product group  consists of a line of
         tanks  ranging in size from 2,600 gallons to 6,000  gallons,  which are
         either  trailer  mounted  or truck  mounted  and are used to  transport
         animal  manure from a storage pit or a storage  lagoon to a farm field.
         The  manure is then  spread on top of the  ground or  injected  several
         inches under the surface as a fertilizer  which is very cost  effective
         as opposed to the purchase of a commercial  substitute.  In addition to
         the  tanks,  this  product  group  includes  several  types of pumps to
         agitate  the storage pit or storage  lagoon and  subsequently  load the
         tank.

         Grain Carts and  Wagons.  The Company  manufactures  a wide  variety of
         agricultural  grain  handling  equipment,  including  side  and  center
         unloading  (gravity)  wagons,  ranging  in size from 190 to 720  bushel
         capacity, and grain carts equipped with integral, folding augers, which
         range in size  from 400 to 1,000  bushel  capacity.  The  grain  wagons
         consist of two basic units,  the grain box and the wagon  running gear,
         which can be sold together or separately. Grain carts are most commonly
         sold as complete units with large floatation tires.

         Grain  carts are used in the farm fields  during the harvest  season to
         transport  grain from the  combine to nearby  roads  where the grain is
         transferred  from the cart to trucks or grain  wagons for  transport to
         storage facilities. Carts are favored for use in the field because they
         help speed up the harvest  process and can be pulled  across wet fields
         in which trucks  often get stuck.  Grain wagons can also be used during
         spring planting as seed tenders for grain drills and planters.

         Weigh Wagons.  Calibrated weigh wagons are used in the seed industry to
         measure grain weight at various estimated grain moisture levels.  Weigh
         wagons are invaluable  harvest tools that provide growers with a number
         of benefits when checking yields during fall harvest. Weigh wagons help
         growers  confirm seed purchase  decisions.  Growers use weigh wagons to
         weigh and measure  product  performance  in their fields to ensure they
         have chosen the right hybrids or varieties for their farms. Weigh wagon
         data helps growers make future cropping decisions. Late each fall, most
         seed  companies  publish  and  distribute  weight  wagon  data  to area
         growers.  The  information  allows  these  growers to see how  products
         performed  across  their region and helps them make  decisions  for the
         following  year. The standard  capacity of a weigh wagon is 150 bushels
         and optional 12" side extensions will increase capacity to 200 bushels.
         An optional bulk seed attachment  allows weigh wagons to be used during
         spring as a method of delivering bulk seed to the growers.

         Seed  Conveyor.  The Company  believes that the trend in agriculture is
         away from handling seed in bags and toward bulk handling.  Because seed
         is very sensitive to cracking and breaking  which reduces  germination,
         the traditional auger elevator or chain type conveyor is less desirable
         in seed handling.  The seed conveyor utilizes a poly vinyl type of belt
         with rubber cleats vulcanized to the belt which  substantially  reduces
         damage to the seed. The seed conveyor is available in either a six-inch
         or twelve-inch width. The six-inch wide conveyor is normally mounted on
         a  gravity  box or a grain  drill  while the  twelve-inch  wide unit is
         mounted on a trailer for mobility.

                                       4
<PAGE>

         Milking  Parlors.  Dairy  farmers who  remodel or build new  facilities
         normally  install a  milking  parlor or  expand  the  existing  milking
         parlor. The milking parlor  substantially  reduces the time required to
         complete the milking process because more cows can be milked with fewer
         man hours.  Although the Company  manufactures several types of milking
         parlors, the most popular type is the rapid exit 90 degree parlor.

         Feeding  and  Forage.  Feeding  and forage  equipment  consists of belt
         feeders, belt conveyors and silo unloaders. These products are normally
         used in a  configuration  to convey and feed chopped hay or corn silage
         along  with  other  ingredients  to dairy  cows or beef  cattle.  These
         products are normally found in a small to medium size farm operations.

         Replacement  Parts and  Attachments.  The Company stocks a full line of
         repair  parts  and  attachments  to fit  all of the  products  that  it
         manufactures.  The Company  distributes  these parts to  retailers  and
         utilizes  them in its own  manufacturing  processes.  The  Company  has
         actively  promoted  these parts and has  established  itself as a major
         supplier in the replacement parts market.

         Other Products. The Company also custom manufactures products for other
         firms on a  contract  basis.  Traditionally,  these  have been  limited
         production runs of new designs.

Method of Distribution

         The  Company  has  eight  salesmen  and   twenty-seven   manufacturers'
         representatives  calling  upon  dealers and  distributors  in seventeen
         states and  Canada.  The  Company's  efforts  are  ongoing to  continue
         expanding its sales  territory  into  additional  states and to further
         enhance market  penetration in the current marketing areas. The Company
         is selling its products  primarily to  implement  dealers,  farm supply
         stores  and  feed  stores   located   primarily  in  lesser   populated
         agricultural areas for resale to farmers,  tradesmen and to the general
         public for commercial and individual use.

Seasonal Factors

         In fiscal  1999,  approximately  50%  (excluding  incremental  sales of
         Parker  Industries  during  the last 3  months  of the  period)  of the
         Company's  sales  occurred  during  the last six  months  of the  year,
         compared  to  approximately  60% of sales for the same period in fiscal
         1998.  This decrease in the  seasonality of sales is primarily a result
         of the  acquisition of Ficklin  Machine.  Ficklin  Machine's  strongest
         shipping months are August through September whereas Top Air's heaviest
         shipping months are typically December through May.

Competitive Conditions

         The  Company  competes  with  a  large  number  of  other  agricultural
         equipment manufacturers and suppliers.  The Company believes,  however,
         that its products  are  considered  sufficiently  different so that the
         Company  can  establish  and  maintain  a market for its  products.  In
         addition,  the Company offers a full line of sprayer  products,  liquid
         manure handling equipment,  grain wagons and carts, milking parlors and
         feeding  and  forage  equipment  that add to the  Company's  ability to
         penetrate the market.  The Company  offers  various  dating and billing
         programs  that allow the  Company's  dealers  incentive to stock larger
         quantities  of  products  without  the  necessity  to commit  financial
         resources  several  months in advance.  This also allows the Company to
         plan its production on a more consistent basis.

                                       5
<PAGE>

Major Customers

         The Company's  customer base is sufficiently  broad so that no customer
         accounts for 10% or more of the Company's sales.

Backlog Orders

         The Company had a sales backlog of  approximately  $1,300,000 as of May
         31, 1999 compared to an $800,000  sales backlog as of May 31, 1998. The
         May 31,  1999  backlog  consists  mainly  of  grain  carts  and  wagons
         scheduled for summer delivery. See "Seasonal Factors."

Source and Availability of Raw Materials

         The Company purchases its raw materials from a number of suppliers. The
         Company has had no difficulty in obtaining  component parts in the past
         and  does  not  anticipate  any  difficulty  in  obtaining   sufficient
         component parts and raw materials as production increases.

Patents and Trademarks

         The Company has received a design  patent on the  three-wheel  sprayer,
         the master-link  sprayer and the self-leveling  boom, and has trademark
         registrations  for Top-Air(R) and E-Z Boy(R).  The Company also sells a
         line of  agricultural  spreaders  under the  registered  trade  name of
         "Better-Bilt."  The  acquisition of Parker  Industries  included design
         patents for grain carts equipped with  hydraulically  driven  discharge
         augers and drag  augers,  seed carts  with  loading/unloading  conveyor
         systems and trademark registrations for Parker(R) and a stylized letter
         P. While the Company  believes  that its patents  and  trademarks  have
         significant   value,   the  Company  is  not  dependent  upon  patents,
         trademarks, service marks or copyrights.

Environmental Compliance

         The Company  believes  that it is presently in  substantial  compliance
         with all existing applicable environmental laws and does not anticipate
         that such  compliance will have a material effect on its future capital
         expenditures, earnings or competitive position.

Employees

         On May 31, 1999, the Company's plant and executive offices employed 125
         people on a  full-time  basis.  Six of these  employees  are  executive
         officers and the  remainder  are sales  representatives,  office staff,
         production  workers  and  truck  drivers.  Forty  full-time  production
         workers are currently covered under a collective  bargaining  agreement
         with Local 1728 of the IAMAW, which runs through June 30, 2001.

Research and Development

         Research  and  development  costs  incurred for the years ended May 31,
         1999, 1998 and 1997 were $591,839, $486,985 and $448,350, respectively.
         Research and development activities consist primarily of wages paid for
         the design and testing of new  equipment and  improvements  to existing
         equipment.

                                       6
<PAGE>

                        Item 2 - Description of Property

The Company's operations are located in Cedar Falls, Iowa,  Jefferson,  Iowa and
Onarga,  Illinois.  The Cedar Falls location is the Company's  headquarters  and
consists of an 112,000  square foot building (the "Cedar Falls  Facility")  that
was  completed  in  November  1996.  The Cedar  Falls  Facility is located in an
industrial  park on  thirteen  acres of land and  includes  approximately  7,000
square feet of executive office space and an aggregate of  approximately  95,000
square feet devoted to manufacturing,  assembly, and warehousing functions.  The
Company leases the Cedar Falls Facility from the City of Cedar Falls,  Iowa (the
"City"). The lease term runs through 2006 and the City holds a five-year renewal
option. In the event that the City exercises such option, the Company shall have
the right to purchase  the Cedar Falls  Facility  from the City for $1.3 million
upon the  expiration  of the five year  renewal  term.  The Company  completed a
27,000 square foot expansion at a cost of approximately  $1,000,000 during April
1999 pursuant to a Development  Agreement with the City.  Under the  Development
Agreement,  the  Company  received  four  acres  of land at no cost  and will be
entitled to 20.5% of the sale proceeds from the  disposition  of the Cedar Falls
Facility in the event such facility is sold prior to November 2011.

In connection  with its  acquisition of Parker  Industries,  the Company entered
into a lease for a  production  facility  in  Jefferson,  Iowa  (the  "Jefferson
Facility") on March 5, 1999.  The Jefferson  Facility,  which is located on 10.8
acres  of  land,   consists  of  two  buildings  totaling  60,000  square  feet.
Approximately  1,500  square feet is used for  administrative  offices  with the
remainder used for  manufacturing,  engineering and warehousing.  The Company is
leasing the Jefferson Facility from Greene County Development  Corporation for a
term of ten years.  Throughout  the lease  term,  the  Company has the option to
purchase the Jefferson Facility. The purchase price is $750,000 during the first
two years of the lease and  declines to $539,175  in year  seven.  The  purchase
price during the remaining three years of the lease is at appraised  value.

The Company is the owner of its Onarga,  Illinois  location,  which  consists of
four  buildings  totaling  41,300  square feet on eight and one-half  acres (the
"Onarga Facility").  The Onarga Facility includes  approximately 925 square feet
of office  space,  15,750 square feet of  manufacturing  space and 24,625 square
feet of warehouse  space.  The Company  relocated all production from the Onarga
Facility to the Cedar  Falls  Facility on June 25, 1999 and is in the process of
selling the land, buildings and machinery at this location.  The Company accrued
a loss of $100,000 for year-end May 31, 1999 for the sale of these assets.

The Company  believes that all of its facilities are adequately  insured and are
adequate to meet the needs for which they are used.

Additional  information  regarding the Company's properties is included in "Note
11 -  Lease  Commitments"  of the  notes  to  financial statements.

                           Item 3 - Legal Proceedings

There are no material legal proceedings  pending to which the Company is a party
or of which any of its property is the subject.  No proceedings  were terminated
during the fourth quarter of the fiscal year covered by this Report.

                                       7
<PAGE>

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

There were no matters  submitted to a vote of security holders during the fourth
quarter of the fiscal year covered by this Report.


                                     PART II


        Item 5 - Market for Common Equity and Related Stockholder Matters

Market Information

         On December 8, 1997, Top Air's common stock was approved for listing on
         The American Stock Exchange under the symbol "TPC". Prior thereto,  the
         Company's common stock was quoted on the Nasdaq SmallCap Market.

         The table below lists the high and low bid prices or sales  prices,  as
         applicable,  for each  quarterly  period during the years ended May 31,
         1999 and 1998.  The high and low bid prices  from June 1, 1997  through
         December 7, 1997 were provided by the Nasdaq SmallCap  Market,  and the
         high and low sales  prices from  December 8, 1997  through May 31, 1999
         were provided by The American Stock Exchange.

                       Sales Price Range                Bid/Sales Price Range
                          Fiscal 1999                        Fiscal 1998
                       -----------------                ---------------------
                     High             Low               High             Low
                     ----             ---               ----             ---

1st Quarter         $2.6250         $1.6875           $2.9375          $1.5000
2nd Quarter          1.8750          1.1875            3.1250           2.2500
3rd Quarter          1.4375           .8750            2.9375           2.3750
4th Quarter          2.1250           .7500            2.7500           2.4375

         The Nasdaq SmallCap Market quotations,  bid prices prior to December 7,
         1997, reflect  interdealer prices,  without retail markup,  markdown or
         commission and may not necessarily represent actual transactions.

Stockholders

         As of May 31, 1999 the Company had  approximately 800 holders of record
of the Company's common stock.

Dividends

         The holders of common shares are entitled to receive dividends when, as
         and  if  declared  by  the  Board  of  Directors.  Except  for  certain
         provisions  in  the  Company's  loan  agreement  with  Mercantile  Bank
         Midwest,  which require the bank's prior  approval for a dividend to be
         paid and the maintenance of certain working capital and tangible equity
         levels,  there are no agreements that restrict dividend  payments.  The
         Company has never paid a cash dividend.  Because the Company  currently
         intends  to retain  any  earnings  to finance  the  development  of its
         business,  it does not anticipate  payment of any cash dividends in the
         foreseeable future.

                                       8
<PAGE>

Recent Sales of Unregistered Stock

         In January 1997, the Company issued 1,150,000 shares of common stock to
         Wayne W. Whalen in connection with the Company's acquisition of Ficklin
         Machine in a transaction  exempt from registration  pursuant to Section
         4(2) of the Securities Act of 1933.

         Also in January 1997,  the Company  issued to Gregory Wilson a ten year
         option to purchase  50,000  shares of the  Company's  common stock at a
         price of $1.375 per share in a  transaction  exempt  from  registration
         pursuant to Section 4(2) of the  Securities Act of 1933. The option was
         granted as partial  consideration  in connection with certain  services
         that Mr. Wilson rendered to the Company.  The Company believes that the
         total value of the  consideration  paid was commensurate with the value
         of the  services  the  Company  received.  The  option  is  immediately
         exercisable and includes conditional registration rights.


       Item 6 - Management's Discussion and Analysis or Plan of Operation

Overview

         The past  year has been a  difficult  period  for most  farm  equipment
         manufacturers.  Historically  low grain prices have adversely  affected
         farming  income  which the  Company  believes  has  caused  farmers  to
         postpone  purchases  of  equipment  in their  operations.  Although the
         Company's  sales and  earnings  have been  negatively  impacted  by the
         current condition of the agricultural economy, the Company believes the
         actions taken by it during these recessionary times and discussed below
         will improve the Company's  strength and  profitability  in the future.
         The Company  believes  the  agriculture  industry  will  improve in the
         long-term and intends to position  itself as a key  manufacturer of the
         best shortline equipment in the industry.

Results Of Operations

         Fiscal 1999 Compared to Fiscal 1998

         Net sales decreased $4,266,608 to $12,295,853 in fiscal year 1999 which
         represents  a 26% decrease  from fiscal 1998 net sales of  $16,562,461.
         The sales decrease is a result of the current farm recession that began
         in the spring of 1998. Sales were lower for virtually all product lines
         but were offset by $1,690,069 of incremental sales of Parker Industries
         since the acquisition date of March 5, 1999.  Although the Company does
         not believe  the general  outlook  for the farm  economy  will  improve
         during the upcoming  year,  the Company does  anticipate an increase in
         sales  for  fiscal  2000  as a  result  of the  acquisition  of  Parker
         Industries.  The Company is also  increasing  its volume of subcontract
         work for other companies in order to increase plant utilization.

         The  Company's  gross margin  decreased to $2,170,203 in fiscal 1999, a
         decrease  of  60%.   This  decrease  was  primarily  a  result  of  the
         significant  reduction in sales.  Gross  margin as a percentage  of net
         sales  decreased  to 17.6% in  fiscal  1999  from  32.9% in 1998.  This
         decrease in margin is a result of the lower net sales volume  absorbing
         fixed costs that were  intended to support  significantly  higher sales
         volumes.  The Company is  continuing  its efforts to control and reduce
         costs  through  various  means,  including  temporary  plant  shutdowns
         planned for both the Cedar Falls  Facility and the  Jefferson  Facility
         and the permanent  closing of the Onarga Facility on June 25, 1999. All
         of the Onarga  Facility  production  has been moved to the Cedar  Falls
         Facility  and the  Company  is in the  process  of  selling  the  land,
         buildings and machinery at the Onarga  Facility.  The Company  believes
         that the  closing  of the Onarga  Facility  will  reduce  manufacturing
         overhead and operating expenses by approximately $300,000 annually.

                                       9
<PAGE>

         Operating  expenses  increased  $55,690  to $3,586,115  in fiscal 1999,
         which was a 2% increase from  $3,530,425 in 1998.  The increase was due
         to incremental  expenses of $250,000 associated with the acquisition of
         Parker  Industries for the last three months of the year and a $100,000
         loss accrued for the sale of the Onarga Facility,  offset by a $330,000
         decrease  in sales  expenses  related  to the  lower  volume  of sales.
         Operating  expenses as a percentage of net sales  increased to 29.2% in
         fiscal 1999 compared to 21.3% in fiscal 1998.

         Interest  expense  increased  $180,261 to $550,852 in fiscal 1999 which
         was a 48.6% increase from $370,591 in fiscal 1998. The increase was due
         to higher levels of short-term  and long-term debt necessary to finance
         the  operation of Parker  Industries  and the  completion of the 27,000
         square foot expansion of the Cedar Falls Facility.  Interest expense as
         a  percentage  of net sales  increased to 4.5% in fiscal year 1999 from
         2.2% in fiscal 1998.

         Income tax  expense  decreased  $1,226,842  to a credit of  $665,843 in
         fiscal 1999 which was a 219% decrease  from $560,999  expense in fiscal
         1998. The decrease was a result of the loss for fiscal 1999.

         Net income decreased  $2,275,874 to a loss of $1,275,867 in fiscal 1999
         which was a 228% decrease  from net income of  $1,000,007 in 1998.  Net
         income as a percentage of net sales decreased to (10.4%) in fiscal 1999
         from 6.0% in fiscal 1998.

         Fiscal 1998 Compared to Fiscal 1997

         Net sales increased $2,760,195 to $16,562,461 in fiscal year 1998 which
         represents  a 20% increase  over fiscal 1997 net sales of  $13,802,266.
         The  increase   resulted   primarily  from  strong  sales  of  spraying
         equipment,  grain  wagons and grain carts.  Increases in these  product
         groups were accomplished  through continued geographic expansion of the
         Company's  dealer network,  coupled with  incremental  sales of Ficklin
         Machine for a full twelve  months  during  fiscal 1998.  The  increases
         offset a decline in the net sales of manure handling  equipment,  which
         were negatively affected by low livestock prices throughout the year.

         The Company's gross margin  increased to $5,441,660 in fiscal 1998 from
         $4,566,239  in fiscal  1997,  an increase  of 19%.  This  increase  was
         primarily due to increased  sales volume.  Gross margin as a percentage
         of net sales  decreased to 32.9% in fiscal 1998 from 33.1% in 1997. The
         decrease in margin  resulted from a higher  percentage of  consolidated
         net sales coming from the Ficklin Machine product line, which typically
         carries a slightly lower margin.  However, gross margins of the Ficklin
         Machine  product line were  improved  for fiscal 1998  through  planned
         product mix changes at that  facility.  As a result,  the  consolidated
         gross  margin  percentage  for fiscal  1998 was  somewhat  higher  than
         originally anticipated.

         Operating  expenses  increased  $469,496 to  $3,530,425  in fiscal 1998
         which was a 15% increase from  $3,060,929 in 1997. The increase was due
         to  incremental  expenses  associated  with  the  first  full  year  of
         operation at the Onarga Facility and general  expenses  relating to the
         higher level of  business.  Operating  expenses as a percentage  of net
         sales  continued its downward trend to 21.3% in fiscal 1998 compared to
         22.2% in fiscal 1997.

         Interest  expense  increased  $185,543 to $370,591 in fiscal 1998 which
         was a 100% increase from $185,048 in fiscal 1997.  The increase was due
         to higher levels of short-term  and long-term debt necessary to finance
         the  operation of Ficklin  Machine and the  purchase of new  production
         machinery  for  the  Cedar  Falls  Facility.   Interest  expense  as  a
         percentage  of net sales  increased to 2.2% in fiscal 1998 from 1.3% in
         fiscal 1997.

                                       10
<PAGE>

         Income tax expense  increased  $78,724 to $560,999 in fiscal 1998 which
         was a 16.3%  increase from $482,275 in fiscal 1997.  The increase was a
         result of higher earnings.

         Net income increased  $142,631 to $1,000,007 in fiscal 1998 which was a
         16.6% increase from $857,376 in 1997. Net income as a percentage of net
         sales decreased to 6.0% in fiscal 1998 from 6.2% in fiscal 1997.

         Liquidity

         Due to the seasonality of the period of use for the Company's products,
         it is necessary for the Company to build  inventories ahead and finance
         accounts receivable for extended terms. As a result, the Company's need
         for working capital continues to increase as sales grow.

         The Company has used a combination of cash  generated  from  operations
         and short-term  bank loans to fund working  capital  requirements.  The
         same   combination   is  intended  to  be  used  to  fund  fiscal  2000
         requirements.  The Company believes it has access to sufficient working
         capital for its present and foreseeable needs and anticipates borrowing
         funds  seasonally,  as  the  need  arises,  consistent  with  its  past
         practices.

         As of May 31, 1999, the Company had a $6,000,000  line of credit from a
         bank pursuant to a credit and security agreement originally dated March
         4, 1999 which expires November 10, 1999 and bears interest at the prime
         rate less .5% (7.25% as of May 31, 1999). As of May 31, 1999, there was
         $2,382,000 outstanding under the Company's line of credit.

         The Company's  working capital on May 31, 1999 was $8,515,944  compared
         to  $5,697,623 in fiscal 1998 and  $5,140,589  in fiscal 1997.  Working
         capital increased  primarily as a result of current assets being funded
         by  long-term  borrowings  associated  with the  acquisition  of Parker
         Industries.  The current ratio  decreased to 2.07:1 in fiscal 1999 from
         2.48:1 in fiscal 1998 and 2.90:1 in fiscal 1997.

         Net cash used in operations for fiscal 1999 was $588,573, a decrease of
         $75,132 from the net cash used in fiscal 1998 of $663,705. The decrease
         was  primarily a result of  reductions  in inventory  and current trade
         receivables, offset by the loss for the year.

         Net  cash  used  in  investing   activities   during  fiscal  1999  was
         $5,016,756,  an increase of $4,035,718 from the net cash used in fiscal
         1998 of $981,038.  The increase  was  primarily a result of  additional
         investment  in the building  expansion  and  production  machinery  and
         equipment and the acquisition of Parker Industries.

         Net  cash   provided  by  financing   activities  in  fiscal  1999  was
         $5,658,340,  an  increase  of  $4,271,969  from  net cash  provided  by
         financing activities in fiscal 1998 of $1,386,371. The increase was due
         to increased long-term  borrowings as a result of the loss for the year
         and  to  fund  the  building  expansion,  the  purchase  of  production
         machinery and equipment and the acquisition of Parker Industries.

                                       11
<PAGE>

         Capital Resources

         In April 1999, the Company  completed a 27,000 square foot expansion to
         its  Cedar  Falls  Facility.  The  total  cost  of  the  expansion  was
         approximately $1,000,000 and long-term debt was used to finance it. The
         expansion  has enabled  the Company to move all of the Ficklin  Machine
         production from the Onarga Facility to the Cedar Falls Facility.

The Company  anticipates no other significant outlays for property and equipment
in the near future.

Year 2000 Readiness Disclosure

The Company has developed a Year 2000 Plan to assess the Company's vulnerability
to system  failures  that may arise from the  Millenium  change and  potentially
could impact the Company  adversely.  These  threats have been  identified,  and
priorities have been established to address these risks,  based on the financial
threat or seriousness of the  implications.  The project's  primary emphasis has
been to look at the risks with the most severe financial  implication first, and
then to address these  critical  problems.  The Company  believes its review and
identification process has been comprehensive, specifically including:

                   Vendors/Suppliers, including Utility Services;

                   Central Accounting System;

                   Office Systems;

                   Building Systems;

                   Factory Machinery and Equipment;

                   Transportation Equipment;

                   Engineering Systems; and

                   Customer Relations.

The Company  believes  that all  mission  critical  risks have been  reviewed or
identified  and  resolved.  The Company has been advised that its main  computer
hardware and software  systems will  continue to function  through the Millenium
change.  The Company believes its other equipment will not be adversely affected
by the Millenium change or other factors  mitigate  against such risks.  Written
verification of certain  non-critical  subsystems are expected to be received in
the near  future.  Utilities  that  service  the  Company  are unable to provide
absolute  assurances  on Year 2000  reliability.  Each  believes  that their own
equipment  is  reliable,  but can make no  further  assurances.  The  Company is
developing contingency plans to address such possibilities. To date, the Company
has  met all  major  deadlines  set by its  Year  2000  Plan,  and  the  Company
anticipates  addressing  all of the  identified  risks well before the Millenium
change.

The Company  believes the  implementation  of the final aspects of its Year 2000
Plan,  and the actions  and costs  required  to prepare  all  remaining  Company
systems  for the  Millenium  change  will  not  have a  material  impact  on its
business, operations or financial condition.


                                       12

<PAGE>

Based upon the actions taken by the Company and the  information it has received
to date, the Company does not believe that the Millenium  change will materially
affect  its  customers  and  vendors  and the  Company  does  believe  that  its
contingency plans, if required to be implemented, will be successful.


                          Item 7 - Financial Statements

The  financial  statements  of the  Company  are  included  herein as a separate
section of this Report which begins on page F-1.



             Item 8 - Changes In and Disagreements with Accountants
                     On Accounting and Financial Disclosure

Not Applicable.

                                       13

<PAGE>
                                    PART III

                             Items 9, 10, 11 and 12

The  information  called  for by  Items  9,  10,  11 and 12 is  incorporated  by
reference  to the  definitive  proxy  statement  for the 1999 Annual  Meeting of
Shareholders  of the Company (which  involves the election of Directors),  which
definitive  proxy  statement  will be filed  with the  Securities  and  Exchange
Commission (the  "Commission") not later than September 28, 1999 (120 days after
the end of the Company's most recently completed fiscal year).

                   Item 13 - Exhibits and Reports on Form 8-K

(a)      Exhibits

         See Index to Exhibits of this Report.

(b)      Reports on Form 8-K

         A  report  on Form  8-K,  dated  March  8,  1999,  was  filed  with the
         Commission  on March 9,  1999,  disclosing  the  acquisition  of Parker
         Industries.

         A  report  on Form  8-K/A-2  dated  May 20,  1999  was  filed  with the
         Commission  on May 21, 1999,  to provide the  historical  and pro forma
         financial  statements  and  exhibits  required  by Item 7 thereof  with
         respect  to  the  acquisition  of  Parker  Industries.   The  following
         financial information was included with such report:

         (a)      Financial Statements of Business Acquired.

                  (i)      Report of Independent Auditors.

                  (ii) Balance Sheets of DWZM, Inc., d/b/a Parker Industries, as
         of January 31, 1999 (unaudited) and October 25, 1998 (audited).

                  (iii) Statements of Income,  Retained  Earnings  (Deficit) and
         Cash Flows of DWZM, Inc., d/b/a Parker  Industries for the three months
         ended  January 31, 1999 and  January 31, 1998  (unaudited)  and for the
         years ended October 25, 1998 and October 26, 1997 (audited).

         (b)      Pro forma Financial Information.

                  (i) Unaudited Pro Forma  Combined  Condensed  Balance Sheet of
         the Company as of February 28, 1999, including notes thereto.

                  (ii)  Unaudited  Pro Forma  Combined  Condensed  Statement  of
         Operations  of the  Company  for the fiscal year ended May 31, 1998 and
         for the nine months ended February 28, 1999, including notes thereto.

                                       14
<PAGE>


                          TOP AIR MANUFACTURING, INC.
                                AND SUBSIDIARIES

                         CONSOLIDATED FINANCIAL REPORT
                                  MAY 31, 1999



                                    CONTENTS

                                                                       Page

INDEPENDENT AUDITOR'S REPORT                                            F-1

CONSOLIDATED FINANCIAL STATEMENTS

   Consolidated balance sheets                                          F-2
   Consolidated statements of operations                                F-4
   Consolidated statements of stockholders' equity                      F-5
   Consolidated statements of cash flows                                F-6
   Notes to financial statements                                        F-8




<PAGE>

                          INDEPENDENT AUDITOR'S REPORT


To the Board of Directors
Top Air Manufacturing, Inc.
Cedar Falls, Iowa

We  have  audited  the  accompanying  consolidated  balance  sheets  of Top  Air
Manufacturing,  Inc.  and  subsidiaries  as of May 31,  1999 and  1998,  and the
related consolidated  statements of operations,  stockholders'  equity, and cash
flows  for the years  ended May 31,  1999,  1998 and  1997.  These  consolidated
financial  statements are the  responsibility of the Company's  management.  Our
responsibility  is  to  express  an  opinion  on  these  consolidated  financial
statements based on our audits.

We  conducted  our  audits  in  accordance  with  generally   accepted  auditing
standards.  Those standards require that we plan and perform the audit to obtain
reasonable assurance about whether the financial statements are free of material
misstatement.  An audit includes examining, on a test basis, evidence supporting
the amounts and disclosures in the financial statements.  An audit also includes
assessing the  accounting  principles  used and  significant  estimates  made by
management,  as well as evaluating the overall financial statement presentation.
We believe that our audits provide a reasonable basis for our opinion.

In our opinion, the consolidated  financial statements referred to above present
fairly,  in  all  material   respects,   the  financial   position  of  Top  Air
Manufacturing,  Inc.  and  subsidiaries  as of May 31,  1999 and  1998,  and the
results of their  operations  and their  cash flows for the years  ended May 31,
1999, 1998 and 1997 in conformity with generally accepted accounting principles.


/s/ McGladrey & Pullen, L.L.P.


Waterloo, Iowa
July 23, 1999

                                       F-1
<PAGE>

TOP AIR MANUFACTURING, INC. AND SUBSIDIARIES


CONSOLIDATED BALANCE SHEETS
May 31, 1999 and 1998

ASSETS (Note 3)                                         1999              1998
- --------------------------------------------------------------------------------
Current Assets
   Cash and cash equivalents                  $        58,157     $       5,146
   Trade receivables, less allowances
     for doubtful accounts and discounts
     1999 $628,000; 1998 $395,000                   7,341,602         4,211,004
   Income tax refund receivable                       520,000               --
   Current portion of long-term notes
     receivable (Note 4)                              161,315            25,934
   Inventories (Note 2)                             8,211,251         5,167,744
   Prepaid expenses                                   116,956           140,918
   Deferred income taxes (Note 5)                      68,200             3,000
                                              ----------------------------------
             Total current assets                  16,477,481         9,553,746
                                              ----------------------------------

Long-Term Receivables, Intangibles
  and Other Assets
   Notes receivable, net of current
     portion (Note 4)                                 126,782           286,598
   Assets held for sale (Note 10)                     187,150               --
   Deferred income taxes (Note 5)                     214,500             6,500
   Goodwill (Note 10)                                 983,159         1,060,969
   Other assets                                        33,572            57,182
                                              ----------------------------------
                                                    1,545,163         1,411,249
                                              ----------------------------------

Property and Equipment
   Land and improvements                              222,699            81,637
   Buildings                                          655,944           357,183
   Machinery and equipment                          3,061,189         2,418,500
   Transportation equipment                           654,926           530,281
   Office equipment                                   508,456           411,088
                                              ----------------------------------
                                                    5,103,214         3,798,689
   Less accumulated depreciation                    1,403,788         1,122,423
                                              ----------------------------------
                                                    3,699,426         2,676,266
                                              ----------------------------------


                                              $    21,722,070     $  13,641,261
                                              ==================================

See Notes to Financial Statements.

                                       F-2
<PAGE>

<TABLE>
<CAPTION>

LIABILITIES AND STOCKHOLDERS' EQUITY                                     1999                1998
- -----------------------------------------------------------------------------------------------------
<S>                                                             <C>               <C>

Current Liabilities
   Notes payable (Note 3)                                         $    2,382,000      $    1,620,000
   Current maturities of long-term debt (Note 3)                       3,726,245             455,087
   Accounts payable                                                      722,699           1,004,707
   Accrued salaries and bonuses, including amounts
     due to officers 1999 none; 1998 $75,400                             228,240             299,601
   Accrued commissions payable                                           377,086             245,311
   Other accrued expenses, including amounts due to
     officers and related party 1999 and 1998 $6,000                     389,926             176,225
   Income taxes payable (Note 5)                                         135,341              55,192
                                                                  -----------------------------------
             Total current liabilities                                 7,961,537           3,856,123
                                                                  -----------------------------------

Long-Term Liabilities
   Long-term debt (Note 3)                                             7,655,969           2,323,567
   Deferred revenue (Note 11)                                            120,000                  --
                                                                  -----------------------------------
                                                                       7,775,969           2,323,567
                                                                  -----------------------------------

Commitments (Notes 6 and 11)

Stockholders' Equity (Note 3)
   Capital  stock,  common,  no  par  value;
     stated  value  $.0625  per  share;
     authorized 20,000,000 shares; issued 1999
     5,170,099 shares; 1998 5,167,098 shares (Note 6)                    323,131             322,944
   Additional paid-in capital                                          2,903,324           2,900,688
   Retained earnings                                                   3,094,085           4,369,952
                                                                  -----------------------------------
                                                                       6,320,540           7,593,584
   Less cost of common stock reacquired
     for the treasury 1999 201,142 shares;
     1998 83,642 shares                                                  335,976             132,013
                                                                  -----------------------------------
                                                                       5,984,564           7,461,571
                                                                  -----------------------------------

                                                                  $   21,722,070      $   13,641,261
                                                                  ===================================
</TABLE>

                                       F-3
<PAGE>

<TABLE>
<CAPTION>


TOP AIR MANUFACTURING, INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF OPERATIONS
Years Ended May 31, 1999, 1998 and 1997

                                                              1999               1998               1997
- -----------------------------------------------------------------------------------------------------------
<S>                                                  <C>               <C>               <C>

Net sales                                               $ 12,295,853      $  16,562,461     $   13,802,266

Cost of goods sold                                        10,125,650         11,120,801          9,236,027
                                                      -----------------------------------------------------

             Gross profit                                  2,170,203          5,441,660          4,566,239
                                                      -----------------------------------------------------

Operating expenses:
   Selling                                                 1,419,820          1,585,741          1,524,782
   Provision for doubtful accounts                           (30,403)            47,208            (31,208)
   Other general and administrative, including
     amounts paid to related parties 1999,
     1998 and 1997 $48,000 (Note 7)                        2,196,698          1,897,476          1,567,355
                                                      -----------------------------------------------------
                                                           3,586,115          3,530,425          3,060,929
                                                      -----------------------------------------------------

             Operating income (loss)                      (1,415,912)         1,911,235          1,505,310
                                                      -----------------------------------------------------

Financial income (expense):
   Interest income                                            25,054             20,362             19,389
   Interest expense                                         (550,852)          (370,591)          (185,048)
                                                      -----------------------------------------------------
                                                            (525,798)          (350,229)          (165,659)
                                                      -----------------------------------------------------

             Income (loss) before income taxes            (1,941,710)         1,561,006          1,339,651

Federal and state income taxes (Note 5)                     (665,843)           560,999            482,275
                                                      -----------------------------------------------------

             Net income (loss)                         $  (1,275,867)     $   1,000,007      $     857,376
                                                      =====================================================

Earnings (loss) per share (Note 9):
   Basic                                               $       (0.25)     $        0.20      $        0.19
                                                      =====================================================
   Fully diluted                                       $       (0.25)     $        0.19      $        0.19
                                                      =====================================================

Weighted average shares (Note 9):
   Basic                                                   5,006,588          5,088,646          4,416,379
   Fully diluted                                           5,006,588          5,249,873          4,504,445

</TABLE>


See Notes to Financial Statements.

                                       F-4
<PAGE>

<TABLE>
<CAPTION>

TOP AIR MANUFACTURING, INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY
Years Ended May 31, 1999, 1998 and 1997


- -------------------------------------------------------------------------------------------------------------
                                    Capital        Additional
                                     Stock,         Paid-In          Retained       Treasury
                                     Issued         Capital          Earnings        Stock           Total
                                  ---------------------------------------------------------------------------
<S>                             <C>          <C>              <C>             <C>            <C>

Balance, May 31, 1996             $  250,860    $  1,388,730    $   2,512,569    $  (19,691)    $  4,132,468
   Net income                             --              --          857,376            --          857,376
   Issuance of 1,150,000 shares
     of common stock for the
     purchase of Ficklin Machine
     Co., Inc.  (Note 10)             71,875       1,509,375               --            --        1,581,250
   Issuance of 1,000 shares of
     common stock upon the
     exercise of options                  63             531               --            --              594
                                  ---------------------------------------------------------------------------
Balance, May 31, 1997                322,798       2,898,636        3,369,945       (19,691)       6,571,688
   Net income                             --              --        1,000,007            --        1,000,007
   Purchase of 54,425 shares
     of common stock for the
     treasury                             --              --               --      (112,322)        (112,322)
   Issuance of 2,333 shares of
     common stock upon the
     exercise of options                 146           2,052               --            --            2,198
                                  ---------------------------------------------------------------------------
Balance, May 31, 1998                322,944       2,900,688        4,369,952      (132,013)       7,461,571
   Net (loss)                             --              --       (1,275,867)           --       (1,275,867)
   Purchase of 117,500 shares
     of common stock for the
     treasury                             --              --               --      (203,963)        (203,963)
   Issuance of 3,001 shares of
     common stock upon the
     exercise of options                 187           2,636               --            --            2,823
                                  ---------------------------------------------------------------------------
Balance, May 31, 1999             $  323,131    $  2,903,324    $   3,094,085   $  (335,976)    $  5,984,564
                                  ===========================================================================

</TABLE>


See Notes to Financial Statements.

                                       F-5
<PAGE>

<TABLE>
<CAPTION>

TOP AIR MANUFACTURING, INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF CASH FLOWS
Years Ended May 31, 1999, 1998 and 1997

                                                               1999               1998                1997
- ------------------------------------------------------------------------------------------------------------
<S>                                                     <C>            <C>               <C>

Cash Flows from Operating Activities
   Net income (loss)                                    $ (1,275,867)      $  1,000,007      $      857,376
   Adjustments to reconcile net income to
     net cash (used in) operating activities:
      Depreciation                                           482,777            409,457             331,021
      Amortization                                           101,420             97,516              32,275
      Deferred income taxes                                 (273,200)           154,000             (87,000)
      Allowance on disposal of assets held for
        sale (Note 10)                                       100,000                 --                  --
      (Gain) on sale of equipment                                 --            (11,631)            (79,921)
      Change in assets and liabilities, net of the
        effects of business acquisitions (Note 10):
        (Increase) decrease in:
           Trade receivables                                 631,485           (866,262)         (1,500,679)
           Income tax refund receivables                    (520,000)                --                  --
           Inventories                                       759,753         (1,282,590)            (41,043)
           Prepaid expenses                                   27,450            (38,347)             50,630
        Increase (decrease) in:
           Accounts payable and accrued expenses            (822,540)           110,768            (125,765)
           Income taxes payable                               80,149           (236,623)            227,045
           Deferred revenue                                  120,000                 --                  --
                                                        ----------------------------------------------------
             Net cash (used in) operating activities        (588,573)          (663,705)           (336,061)
                                                        ----------------------------------------------------

Cash Flows From Investing Activities
   Proceeds from sale of equipment                                --             19,600           1,135,312
   Purchase of property and equipment                     (1,518,399)        (1,034,552)           (996,927)
   Acquisition of certain net assets of Parker
     Industries                                           (3,522,792)                --                  --
   Payments received on long-term
     notes and other receivable                               24,435             34,613             148,149
   Disbursements on notes receivable                              --                 --            (193,000)
   Increase in intangible and other assets                        --               (699)            (40,472)
                                                        ----------------------------------------------------
             Net cash  provided by (used in)
               investing activities                       (5,016,756)          (981,038)             53,062
                                                        ----------------------------------------------------

Cash Flows from Financing Activities
   Proceeds from short-term borrowings                     9,889,699          8,712,400           7,049,000
   Principal payments on short-term borrowings            (9,535,274)        (7,524,400)         (6,617,000)
   Proceeds from long-term borrowings                     11,985,206            725,000           1,388,444
   Principal payments on long-term borrowings             (6,480,151)          (416,505)         (1,275,038)
   Purchase of common stock for the treasury                (203,963)          (112,322)                 --
   Proceeds from issuance of common stock                      2,823              2,198                 594
                                                        ----------------------------------------------------
             Net cash provided by
               financing activities                        5,658,340          1,386,371             546,000
                                                        ----------------------------------------------------
                                   (Continued)

                                       F-6
<PAGE>

TOP AIR MANUFACTURING, INC. AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF CASH FLOWS (Continued)
Years Ended May 31, 1999, 1998 and 1997

                                                              1999               1998                1997
- -----------------------------------------------------------------------------------------------------------
             Increase (decrease) in cash
               and cash equivalents                     $     53,011      $    (258,372)     $     263,001

Cash and Cash Equivalents
   Beginning                                                   5,146            263,518                517
                                                        ---------------------------------------------------
   Ending                                               $     58,157      $       5,146      $     263,518
                                                        ===================================================

Supplemental Disclosures of Cash Flow
  Information
   Cash payments for:
      Interest                                          $    549,150      $     363,444      $     173,334
                                                        ===================================================
      Income taxes                                      $     47,195      $     643,622      $     344,029
                                                        ===================================================

Supplemental Schedule of Noncash Investing
  and Financing Activities

   Deferred revenue on land received (Note 11)          $    120,000
                                                        =============

   Acquisition of Parker Industries (Note 10):
      Working capital acquired                          $  6,754,184
      Fair value of other assets acquired,
        principally property and equipment                   274,688
      Long-term debt assumed                              (3,506,080)
                                                        -------------
                                                        $  3,522,792
                                                        =============

      Cash purchase price                               $  3,522,792
                                                        =============


   Acquisition of Ficklin Machine Co., Inc.
     (Note 10):
      Working capital acquired                                                               $   1,075,457
      Fair value of other assets acquired,
        principally property and equipment                                                         775,015
      Goodwill                                                                                   1,125,753
      Long-term debt assumed                                                                    (1,394,975)
                                                                                             -------------
                                                                                             $   1,581,250
                                                                                             =============

      Issuance of 1,150,000 shares of common stock                                           $   1,581,250
                                                                                             =============

See Notes to Financial Statements.

</TABLE>
                                       F-7
<PAGE>


TOP AIR MANUFACTURING, INC. AND SUBSIDIARIES

NOTES TO FINANCIAL STATEMENTS
- --------------------------------------------------------------------------------

Note 1.   Nature of Business and Significant Accounting Policies

Nature of business: The Company's operations consist of the design,  manufacture
and sale of agricultural  equipment and repair and replacement  parts to dealers
located  primarily  in the  midwestern  states on credit  terms that the Company
establishes for individual customers.

Significant accounting policies:

       Principles  of  consolidation:   The  consolidated  financial  statements
       include the accounts of the Company and its subsidiaries, Ficklin Machine
       Co.,  Inc.  and Parker  Industries,  Inc.,  which are  wholly-owned.  All
       significant intercompany accounts and transactions have been eliminated.

       Accounting   estimates:   The  preparation  of  financial  statements  in
       conformity  with  generally  accepted   accounting   principles  requires
       management  to make  estimates and  assumptions  that affect the reported
       amount of assets and liabilities and disclosure of contingent  assets and
       liabilities  at the date of the  financial  statements  and the  reported
       amounts of revenues  and expenses  during the  reporting  period.  Actual
       results could differ from those estimates.

       Cash and cash  equivalents:  For  purposes of reporting  cash flows,  the
       Company  considers all money market funds and savings accounts to be cash
       equivalents.

       Inventories:  Inventories  are  valued  at the  lower of cost  (first-in,
       first-out method) or market.

       Assets  held for sale:  These  assets  are valued at the lower of cost or
       fair market value minus estimated costs of disposal.

       Property  and  equipment  and  depreciation:  Property  and  equipment is
       carried at cost.  Depreciation  on property and  equipment is computed by
       the straight-line method over the estimated useful lives of the assets.

       Goodwill:  Goodwill  resulting from the Company's  acquisition of Ficklin
       Machine  Co.,   Inc.  is  being   amortized   over  15  years  using  the
       straight-line  method and is periodically  reviewed for impairment  based
       upon  an  assessment  of  future  operations  to  ensure  that  they  are
       appropriately  valued.   Accumulated  amortization  on  goodwill  totaled
       $178,245 and $103,195 at May 31, 1999 and 1998, respectively.

       Deferred  revenue:  The  fair  market  value of land  contributed  to the
       Company  by the City of Cedar  Falls,  Iowa  has  been  accounted  for as
       deferred  revenue and is being  amortized  to income  over the  estimated
       useful life of the building constructed on the land. See Note 11.

       Revenue  recognition:  Sales of all products are  recognized as goods are
       shipped.

                                       F-8
<PAGE>

TOP AIR MANUFACTURING, INC. AND SUBSIDIARIES

NOTES TO FINANCIAL STATEMENTS
- --------------------------------------------------------------------------------

       Income taxes:  Deferred taxes are provided on a liability  method whereby
       deferred tax assets are recognized for deductible  temporary  differences
       and  operating  loss  carryforwards  and  deferred  tax  liabilities  are
       recognized for taxable temporary  differences.  Temporary differences are
       the  differences  between the reported  amounts of assets and liabilities
       and their tax  bases.  Deferred  tax assets  are  reduced by a  valuation
       allowance when, in the opinion of management,  it is more likely than not
       that some portion or all of the deferred tax assets will not be realized.
       Deferred  tax assets and  liabilities  are  adjusted  for the  effects of
       changes in tax laws and rates on the date of enactment.

       Research and development:  Research and development  costs are charged to
       operations as they are incurred.

       Stock options issued to employees: The Company has adopted the provisions
       of  SFAS  No.  123,  "Accounting  for  Stock-Based  Compensation",  which
       establishes a fair value based method for the financial  reporting of its
       stock-based employee  compensation plans.  However, as allowed by the new
       standard,  the Company  has  elected to continue to measure  compensation
       using the  intrinsic  value  based  method as  prescribed  by  Accounting
       Principles  Board  Option  No.  25,   "Accounting  for  Stock  Issued  to
       Employees." Under this method, compensation is measured as the difference
       between the market value of the stock on the grant date,  less the amount
       required to be paid for the stock. The difference,  if any, is charged to
       expense over the periods of service.

       Earnings (loss) per share: Basic earnings (loss) per share is computed by
       dividing  net income  available  to common  stockholders  by the weighted
       average number of shares  outstanding.  In computing diluted earnings per
       share, the dilutive effect of stock options during the periods  presented
       as well as the effect of  contingently  issuable shares also increase the
       weighted average number of shares.

       Fair value of financial instruments: The carrying amount of cash and cash
       equivalents,  trade  receivables and accounts payable  approximates  fair
       value because of the short  maturity of these  instruments.  The carrying
       amounts of notes  receivable,  current notes  payable and long-term  debt
       approximate  fair  values  because  these  instruments  bear  interest at
       approximate   current   rates   available  to  the  Company  for  similar
       instruments.

       Recently  issued  accounting  standards:  In  June  1998,  the  Financial
       Accounting   Standards  Board  issued  SFAS  No.  133,   "Accounting  for
       Derivative   Instruments   and  Hedging   Activities."   This   statement
       establishes   accounting   and   reporting   standards   for   derivative
       instruments,  including certain derivative  instruments embedded in other
       contracts, and for hedging activities.  This statement must be adopted no
       later than May 31, 2002, although earlier  application is permitted.  The
       Company is currently evaluating the impact of adopting SFAS No. 133.

Note 2.   Composition of Inventories

Inventories at May 31, 1999 and 1998 consisted of the following:

                                                      1999              1998
                                              --------------------------------
      Raw materials                           $    1,239,815    $      286,304
      Work in process                                830,326           383,516
      Finished goods                               6,141,110         4,497,924
                                              --------------------------------
                                              $    8,211,251    $    5,167,744
                                              ================================

                                       F-9
<PAGE>

TOP AIR MANUFACTURING, INC. AND SUBSIDIARIES

NOTES TO FINANCIAL STATEMENTS
- --------------------------------------------------------------------------------

Note 3.   Pledged Assets and Related Debt

The Company has a line of credit  agreement  with a bank which expires  November
10, 1999,  under which they may borrow up to $6,000,000 in current notes payable
based  on  a  percentage  of  inventory,  trade  receivables  and  property  and
equipment.  Based on the levels of inventory, trade receivables and property and
equipment,  the total amount available could be borrowed under this agreement at
May 31, 1999.  The interest rate on advances  under this agreement is the bank's
prime rate less .5% (effective  rate of 7.25% at May 31, 1999).  The Company has
borrowings  on this line of  $2,382,000  and  $1,620,000  as of May 31, 1999 and
1998, respectively. (a)

<TABLE>
<CAPTION>


Long-term debt at May 31, 1999 and 1998 consisted of the following:

                                                                                           Amount Owed
                                                                                  ---------------------------------
                                                                                         1999              1998
                                                                                  ---------------------------------
<S>                                                                            <C>                 <C>

   Note payable, bank, due in monthly installments of $52,557,
     including interest at 7.1%, through November 10, 2005. (a)                   $    4,348,002        $       --
   Note payable, bank, due in monthly installments of $42,067,
     including interest at 7.75%, through March 10, 2004. (a)                          3,464,816                --
   Note payable, corporation, non interest bearing, due in monthly
     installments  equal to monthly  collections of trade  receivables
     that were due to Parker Industries on March 5, 1999, the day
     the Company acquired certain net assets of Parker Industries.
     Minimum payments required under this agreement are
     $1,796,745, $813,599 and $488,159 on November 15, 1999,
     November 15, 2000 and February 15, 2001, respectively.
     Collateralized by Parker Industries, Inc. trade receivables.                      3,098,503                --
   Note payable, State of Iowa, non-interest bearing, due in monthly
     installments of $1,667 through July 31, 2004.  Up to $200,000 of
     this loan is forgiveable if certain employment goals are met on
     June 30, 2002.  Collateralized by substantially all assets of the
     Company.                                                                            300,000                --
   Contract payable, due in monthly installments of $2,625, including
     interest at 7.75%, through March 10, 2004. Collateralized by three
     semi tractors.                                                                      145,178                --
   Notes payable, bank, paid during the year ended May 31, 1999.                              --         2,690,458
   Other                                                                                  25,715            88,196
                                                                                  ---------------------------------
                                                                                      11,382,214         2,778,654
   Less current maturities                                                             3,726,245           455,087
                                                                                  ---------------------------------
                                                                                  $    7,655,969      $  2,323,567
                                                                                  =================================

<FN>

(a) These borrowings are  collateralized  by substantially  all of the assets of
the Company.  The agreements contain various  restrictive  covenants  including,
among  others,  ones which  require the Company to maintain a certain  amount of
working  capital,  $6,000,000 of tangible equity and certain  minimum  financial
ratios. All covenants have been complied with or waived as of May 31, 1999.

</FN>

</TABLE>
                                       F-10
<PAGE>

TOP AIR MANUFACTURING, INC. AND SUBSIDIARIES

NOTES TO FINANCIAL STATEMENTS
- --------------------------------------------------------------------------------


The following is a schedule by years of the  maturities of the long-term debt as
of May 31, 1999:

      Year ending May 31:
         2000                                                 $    3,726,245
         2001                                                        677,826
         2002                                                        713,684
         2003                                                        766,662
         2004                                                        823,357
         Thereafter                                                4,674,440
                                                              --------------
                                                              $   11,382,214
                                                              ==============

Note 4.   Notes Receivable

Notes receivable as of May 31, 1999 consist of the following:

   To be received $2,500 monthly, including interest at 10%,
     through March 1, 2000, with balance due at that date.     $      149,094
   To be received $1,386 monthly, including interest at 8%,
     through June 2009.                                               114,831
   Stockholder, noninterest bearing, to be received in
     three payments of $1,500 a year through January 2004.             24,172
                                                               ---------------
                                                                      288,097
   Less current portion                                               161,315
                                                               ---------------
                                                               $      126,782
                                                               ===============

Note 5.   Income Taxes

Net deferred tax assets  consist of the following  components as of May 31, 1999
and 1998:

                                                          1999            1998
                                                    ----------------------------
   Deferred tax assets:
      Trade receivables                             $     6,000       $  33,000
      Accrued expenses                                   40,000          46,000
      Net operating loss carryforward                   419,000         128,000
      Alternative minimum tax carryforward               30,000              --
      Deductible goodwill of predecessor company        170,000         189,000
      Property and equipment                             37,000              --
      Contracts payable                                      --          10,000
      Inventory                                              --          28,000
                                                    ----------------------------
                                                        702,000         434,000
                                                    ----------------------------
   Deferred tax liabilities:
      Property and equipment                            219,300         100,500
      Inventory                                         114,000         210,000
      Trade receivables                                  86,000         114,000
                                                    ----------------------------
                                                        419,300         424,500
                                                    ----------------------------

                                                    $   282,700       $   9,500
                                                    ============================

                                       F-11
<PAGE>

TOP AIR MANUFACTURING, INC. AND SUBSIDIARIES

NOTES TO FINANCIAL STATEMENTS
- --------------------------------------------------------------------------------

The  deferred  tax  amounts   mentioned   above  have  been  classified  on  the
accompanying balance sheets as of May 31, 1999 and 1998 as follows:

                                                         1999            1998
                                                   ----------------------------
   Current assets                                  $    68,200      $    3,000
   Noncurrent assets                                   214,500           6,500
                                                   ----------------------------
                                                   $   282,700      $    9,500
                                                   ============================


For income tax purposes,  the Company has net operating  loss  carryforwards  of
approximately  $700,000 which may be used to affect future taxable income. These
loss carryforwards  expire in 2019. In addition,  the Company acquired operating
loss  carryforwards  in connection  with the purchase of certain  assets of Clay
Equipment  Corporation  in June 1995.  Limitations  imposed by current  tax laws
limit the utilization of these acquired  carryforwards to approximately  $40,000
per year through 2009.

Income tax expense (benefit) is made up of the following components:

                                                   Year Ended May 31,
                                   --------------------------------------------
                                         1999             1998            1997
                                   --------------------------------------------
   Current tax expense (benefit):
      Federal                      $  (344,918)    $    397,999    $    506,827
      State                            (47,725)           9,000          62,448
                                   --------------------------------------------
                                      (392,643)         406,999         569,275
   Deferred tax expense (credit)      (273,200)         154,000         (87,000)
                                   --------------------------------------------
                                   $  (665,843)    $    560,999    $    482,275
                                   ============================================


<TABLE>
<CAPTION>


Total  reported tax expense  (benefit)  applicable to the  Company's  operations
varies from the amount that would have  resulted by applying the federal  income
tax rate to income (loss) before income taxes for the following reasons:

                                                             Year Ended May 31,
                                             ---------------------------------------------
                                                    1999            1998            1997
                                             ---------------------------------------------
<S>                                       <C>              <C>            <C>

   Income tax expense (benefit) at
     statutory federal income tax rate       $   (679,599)    $    546,352    $    468,878
   State tax expense (benefit),
     net of federal income tax benefit            (31,021)           6,202          41,216
   Benefit of income taxed at lower rates          19,417          (15,610)        (13,397)
   Other                                           25,360           24,055         (14,422)
                                             ---------------------------------------------
                                             $   (665,843)    $    560,999    $    482,275
                                             =============================================

</TABLE>

                                       F-12
<PAGE>

TOP AIR MANUFACTURING, INC. AND SUBSIDIARIES

NOTES TO FINANCIAL STATEMENTS
- --------------------------------------------------------------------------------

Note 6.   Stock-Based Compensation

At May 31,  1999,  the  Company  has a  stock-based  compensation  plan which is
described below. As permitted under generally  accepted  accounting  principles,
grants  under this plan are  accounted  for  following  APB  Opinion  No. 25 and
related interpretations.  Accordingly,  no compensation cost has been recognized
for  grants  under  the  plan.  Had  compensation   cost  for  the  stock  based
compensation  plan been  determined  based on the grant date fair  values of the
awards (the method  prescribed in SFAS No. 123),  reported net income (loss) and
earnings (loss) per share would have been reduced to the pro forma amounts shown
below:

                                                    Year Ended May 31,
                                      ------------------------------------------
                                            1999           1998           1997
                                      ------------------------------------------
Net income (loss)
   As reported                        $(1,275,867)   $  1,000,007   $   857,376
   Pro forma                           (1,356,867)        940,007       830,376

Basic earnings (loss) per share
   As reported                              (0.25)           0.20          0.19
   Pro forma                                (0.26)           0.18          0.19

Fully diluted earnings (loss)
  per share
   As reported                              (0.25)           0.19          0.19
   Pro forma                                (0.26)           0.18          0.18


The  Company  has a stock  option plan  adopted in 1993 which  provides  for the
issuance of a maximum of 425,000  shares of common stock to officers,  directors
and key employees at a price per share of not less than 100% of the market price
at the date of grant.  The options  granted  under this plan become  exercisable
over three years.

In  addition,  the Company  granted  options to purchase 50,000 shares of common
stock of the Company to a  non-employee  in connection  with the  acquisition of
Ficklin Machine Co., Inc. See Note 10.

The  fair  value  of each  grant  is  estimated  at the  grant  date  using  the
Black-Scholes   option-pricing   model  with  the   following   weighted-average
assumptions for grants:

                                                 Year Ended May 31,
                               -------------------------------------------------
                                     1999              1998             1997
                               -------------------------------------------------
Risk free interest rate             5.04%             5.71%            6.35%

Expected life                    10 years          10 years         10 years

Price volatility                    46.2%             40.4%            29.6%

Expected dividends                    --                --               --

                                       F-13
<PAGE>

TOP AIR MANUFACTURING, INC. AND SUBSIDIARIES

NOTES TO FINANCIAL STATEMENTS
- --------------------------------------------------------------------------------

The following  table  summarizes the options to purchase shares of the Company's
common stock:

                                                        Stock Options
                                            ---------------------------------
                                                                    Weighted
                                                                     Average
                                                                    Exercise
                                                Outstanding          Price
                                            ---------------    ---------------
Balance at May 31, 1996                           201,501            0.9332
   Granted                                        116,000            1.3750
   Exercised                                       (1,000)           0.5938
   Canceled                                        (7,000)           1.1429
                                            ---------------    ---------------
Balance at May 31, 1997                           309,501            1.0952
   Granted                                         67,500            2.6875
   Exercised                                       (2,333)           0.9421
   Canceled                                        (5,667)           1.2831
                                            ---------------    ---------------
Balance at May 31, 1998                           369,001            1.3846
   Granted                                         88,500            1.0000
   Exercised                                       (3,001)           0.9409
   Canceled                                        (9,000)           1.5834
                                            ---------------    ---------------
Balance at May 31, 1999                           445,500            1.3071
                                            ===============    ===============


                                                     Number of Options
                                     ------------------------------------------
                                           1999            1998          1997
                                     ------------------------------------------
Exercisable, end of year                 293,334         239,500       132,995

Weighted-average fair value
  per option of options granted
  during the year                    $      0.65     $      1.66     $    0.78


Options are exercisable over varying periods ending on January 2009.

<TABLE>
<CAPTION>


A  further  summary  of the  fixed  options  outstanding  at May 31,  1999 is as
follows:

                                    Options Outstanding                   Options Exercisable
                        -------------------------------------------   ----------------------------
                                          Weighted
                                           Average        Weighted                       Weighted
                                          Remaining        Average                       Average
   Range of                 Number       Contractual      Exercise        Number         Exercise
Exercise Prices          Outstanding        Life            Price      Exercisable        Price
- ------------------------------------------------------------------    ----------------------------
<S>                    <C>             <C>             <C>            <C>            <C>
    0.5938                 34,000           3.625          0.5938         34,000          0.5938
    0.8438                 36,000           4.625          0.8438         36,000          0.8438
    0.7500 to 1.0000       54,500           5.578          0.8303         54,500          0.8303
    1.2188 to 1.2813       56,000           6.584          1.2618         56,000          1.2618
    1.3750                112,000           7.625          1.3750         91,336          1.3750
    2.6875                 64,500           8.660          2.6875         21,498          2.6875
    1.0000                 88,500           9.706          1.0000             --              --
                       -------------------------------------------    ----------------------------
                          445,500       $   7.259       $  1.3071        293,334       $  1.1926
                       ===========================================    ============================

</TABLE>


                                       F-14
<PAGE>

TOP AIR MANUFACTURING, INC. AND SUBSIDIARIES

NOTES TO FINANCIAL STATEMENTS
- --------------------------------------------------------------------------------

Note 7.   Research and Development

Research and  development  costs included in the statements of income as part of
other  general  and  administrative  expenses  totaled  $591,839,  $486,985  and
$448,350 for the years ended May 31, 1999, 1998 and 1997, respectively.

Note 8.   Employee Benefit Plan

The Company has a 401(k) defined  contribution  plan covering  substantially all
employees.  The plan provides for a matching employer  contribution based on the
employee's  contributions  up to 10% of compensation.  Additional  discretionary
contributions to the plan may also be made. Employer contributions for the years
ended  May  31,  1999,   1998  and  1997  were  $80,986,   $52,569  and  $40,444
respectively.

<TABLE>
<CAPTION>

Note 9.   Earnings (loss) Per Share

Basic and diluted earnings (loss) per share are as follows:

                                                                         Year Ended May 31,
                                                      -----------------------------------------------------
                                                               1999              1998             1997
                                                      -----------------------------------------------------
<S>                                                    <C>                <C>             <C>
Basic earnings (loss) per share:
   Net income (loss) available to common
     stockholders-basic                                $   (1,275,867)    $  1,000,007    $      857,376
                                                       ==================================================

   Weighted average shares outstanding-basic                5,006,588        5,088,646         4,416,379
                                                       ==================================================

   Basic earnings (loss) per share                     $        (0.25)    $       0.20    $         0.19
                                                       ==================================================

Diluted earnings (loss) per share:
   Net income available to
     common stockholders-diluted                       $   (1,275,867)    $  1,000,007    $      857,376
                                                       ==================================================

   Weighted average shares outstanding-basic                5,006,588        5,088,646         4,416,379

   Effect of dilutive securities, employee
     stock options                                                 --          161,227            88,066
                                                       --------------------------------------------------

   Weighted average shares outstanding-diluted              5,006,588        5,249,873         4,504,445
                                                       ==================================================

   Diluted earnings (loss) per share                   $        (0.25)    $       0.19    $         0.19
                                                       ==================================================

   Antidilutive options excluded from above
     calculations                                             445,500           67,500               --
                                                       ==================================================

</TABLE>

                                       F-15
<PAGE>

TOP AIR MANUFACTURING, INC. AND SUBSIDIARIES

NOTES TO FINANCIAL STATEMENTS
- --------------------------------------------------------------------------------

Note 10.   Business Acquisitions and Subsequent Events

Parker Industries: On March 5, 1999 the Company formed a wholly owned subsidiary
which acquired certain net assets of Parker Industries ("Parker") of  Jefferson,
Iowa in exchange for a cash payment of  $3,522,792  and a  non-interest  bearing
note of $3,506,080.

Parker designs,  manufactures  and distributes  grain wagons and carts and other
bulk seed equipment.  The Company  currently intends to continue the business of
Parker in  substantially  the same manner as conducted prior to the acquisition.
The acquisition has been accounted for by the purchase method and the results of
operations of Parker since the date of acquisition are included in the financial
statements.

Unaudited pro forma consolidated  condensed  financial  statements for the years
ended May 31,  1999 and 1998 as though  Parker had been  acquired  as of June 1,
1997 are as follows:

                                                         1999            1998
                                                 -------------------------------
   Net sales                                     $  17,207,000    $ 30,849,000
   Net income (loss)                                (2,296,000)      1,675,000
   Earnings (loss) per share:
      Basic                                              (0.46)           0.33
      Diluted                                            (0.46)           0.32


Ficklin  Machine Co., Inc.: On January 15, 1997 the Company  acquired all of the
issued and outstanding stock of Ficklin Machine Co., Inc. ("Ficklin") of Onarga,
Illinois in exchange for  1,150,000  shares of the Company's no par value common
stock.  As a result,  Ficklin became a  wholly-owned  subsidiary of the Company.
Ficklin designs,  manufactures and distributes  grain wagons and carts and small
lawn and garden sprayers. The acquisition has been accounted for by the purchase
method and the results of operations  of Ficklin  since the date of  acquisition
are included in the financial statements.

On June 25, 1999 the  Company  closed its Onarga,  Illinois  facility  and began
moving  production to its Cedar Falls,  Iowa facility.  The buildings,  land and
improvements  in Onarga  have  been  classified  as assets  held for sale on the
accompanying  balance  sheet as of May 31,  1999 and have been  reduced to their
estimated fair market values less costs of disposal.

Note 11.   Lease Commitments

In connection with the acquisition of Parker, the Company entered into a 10 year
non cancelable agreement to lease a 60,000 square foot facility from the City of
Jefferson,  Iowa ("Jefferson").  The lease requires 5 annual payments of $67,405
beginning  March 5, 2002 and 3 annual  payments of $175,000  beginning  March 5,
2007 through March 5, 2009. Rent is being expensed by the  straight-line  method
over the term of the lease.  In  addition,  the  Company is  required to pay all
property taxes,  insurance and maintenance on the property.  The Company has the
option to purchase the facility at any time for $750,000 in year one  decreasing
to $539,175 in year seven and appraised value after that.


                                       F-16
<PAGE>

TOP AIR MANUFACTURING, INC. AND SUBSIDIARIES

NOTES TO FINANCIAL STATEMENTS
- --------------------------------------------------------------------------------

The Company  has  entered  into a 10 year  noncancelable  agreement  to lease an
85,000  square foot facility from the City of Cedar Falls,  Iowa  ("City").  The
lease requires monthly payments of $16,722 plus insurance,  utilities, and other
expenses to be paid by the Company.  The City has the option to renew and extend
the lease for an  additional 5 years at the end of the original  lease term with
an  increase  in  monthly  rental  not to  exceed  3%.  At the end of the  lease
extension  period,  the  Company  has the option to purchase  the  facility  for
approximately  $1.3 million plus all reasonable  costs and expenses  incurred by
the City for the sale.

On July 13, 1998 the Company received a contribution of approximately 4 acres of
land  from  the  City  in  exchange  for an  agreement  to  expand  its  current
manufacturing facilities. The Company completed the expansion of its Cedar Falls
facility at a cost of  approximately  $1,000,000  during 1999. As a part of this
agreement,  in the event that the existing 85,000 square foot facility discussed
above is sold prior to the Company's right to exercise its purchase option,  the
Company would receive 20.5% of the proceeds of the sale.

The total  minimum  rental  commitment,  under the above  agreements,  including
extension periods,  at May 31, 1999 is approximately  $3,362,000 which is due as
follows:

   Year ending May:
       2000                                             $      200,000
       2001                                                    200,000
       2002                                                    267,400
       2003                                                    267,400
       2004                                                    267,400
       Thereafter                                            2,159,800
                                                        ---------------
                                                        $    3,362,000
                                                        ===============


Under these agreements,  the Company incurred approximately  $212,000,  $200,000
and $143,000 in rent  expense for the years ended May 31,  1999,  1998 and 1997,
respectively.

                                       F-17
<PAGE>


                                   SIGNATURES


In accordance  with Section 13 or 15(d) of the Securities  Exchange Act of 1934,
the Registrant caused this report to be signed on its behalf by the undersigned,
thereunto duly authorized:

                                      TOP AIR MANUFACTURING, INC.

Date:  August 27, 1999
                                      By   /s/ Steven R. Lind
                                           -------------------------------------
                                           Steven R. Lind,
                                           President and Chief Executive Officer

In accordance with the requirements of the Securities Exchange Act of 1934, this
report  has  been  signed  below  by the  following  persons  on  behalf  of the
Registrant and in the capacities and on the dates indicated.

    Signature                        Title                          Date
    ---------                        -----                          ----


/s/ Steven R. Lind            President, Chief Executive       August 27, 1999
- ----------------------------  Officer and Director
Steven R. Lind                (Principal Executive Officer)


/s/ Steven F. Bahlmann        Chief Accounting Officer         August 27, 1999
- ----------------------------  (Principal Accounting
Steven F. Bahlmann            Officer)


/s/ Wayne C. Dudley           Director                         August 27, 1999
- ----------------------------
Wayne C. Dudley


/s/ Dennis W. Dudley          Director                         August 27, 1999
- ----------------------------
Dennis W. Dudley


                              Director                         August ____, 1999
- ----------------------------
Robert J. Freeman


/s/ Franklin A. Jacobs        Director                         August 27, 1999
- ----------------------------
Franklin A. Jacobs


/s/ S. Lee Kling              Director                         August 27, 1999
- ----------------------------
S. Lee Kling


- ----------------------------  Director                         August ____, 1999
Sanford W. Weiss


/s/ Thaddeus P. Vannice, Sr.  Director                         August 27, 1999
- ----------------------------
Thaddeus P. Vannice, Sr.


<PAGE>


                                INDEX TO EXHIBITS

Exhibit
Number                      Description
- -------                     -----------

*2(a)       Share  Exchange  Agreement  between  Wayne W. Whalen and the Company
            dated  January 15, 1997 under  which the  Company  acquired  Ficklin
            Machine Co.,  Inc.,  filed as Exhibit 2.1 to the Company's  Form 8-K
            dated January 24, 1997

*2(b)       Asset   Purchase   Agreement  by  and  among  the  Company,   Parker
            Acquisition Sub, Inc.,  Owosso  Corporation and DWZM, Inc., dated as
            of March 3, 1999,  filed as Exhibit  2.1 to the  Company's  Form 8-K
            dated March 8, 1999

*3(a)       Amended and  Restated  Articles of  Incorporation,  filed as Exhibit
            3(c) to the  Company's  Annual Report on Form 10-KSB for fiscal year
            1991 (the "1991 Form 10-KSB")

*3(b)       Amended and Restated By-laws, filed as Exhibit 3(d) to the 1991 Form
            10-KSB

*3(c)       Amendments to the Amended and Restated  By-laws,  effective  October
            21, 1992,  filed as Exhibit 3(c) to the  Company's  Annual Report on
            Form 10-KSB for fiscal year 1993 (the "1993 Form 10-KSB)

*9          Amended and Restated  Voting Trust  Agreement by and among Robert J.
            Freeman and Dennis W. Dudley and their  successors,  dated September
            15, 1992, filed as Exhibit 9 to the 1993 Form 10-KSB

*10(a)      Promissory Note dated January 1, 1991, between the Company and Wayne
            C. Dudley (the "Dudley  Note"),  filed as Exhibit  10(b) to the 1991
            Form 10-KSB

*10(b)      Letter Amendment, dated August 5, 1994, to the Dudley Note, filed as
            Exhibit  10(c) to the  Company's  Annual  Report on Form  10-KSB for
            fiscal year 1994 (the "1994 Form 10-KSB")

**10(c)+    Employment Agreement between the Company and Steven R. Lind dated as
            of November 6, 1992

**10(d)+    First  Amendment  to  Employment  Agreement  between the Company and
            Steven R. Lind dated as of October 19, 1994

*10(e)+     1993 Stock Option Plan adopted by the Board of Directors November 6,
            1992, filed as Exhibit 10(c) to the 1993 Form 10-KSB

*10(f)+     Summary  Plan  description  for 401(k) plan  adopted by the Board of
            Directors  on  October  22,  1991,  filed  as  Exhibit  28(b) to the
            Company's  Annual  Report on Form  10-KSB for fiscal  year 1992 (the
            "1992 Form 10-KSB")

*10(g)+     First  Amendment  to 1993 Stock  Option Plan dated  October 1, 1995,
            filed as Exhibit 10(h) to the Company's Annual Report on Form 10-KSB
            for the fiscal year 1997 (the "1997 Form 10-KSB")

<PAGE>

*10(h)+     Second  Amendment  to 1993 Stock  Option  Plan dated  March 4, 1997,
            filed as Exhibit 10(i) to the 1997 Form 10-KSB

*10(i)      Consulting Agreement dated December 12, 1996 between the Company and
            Gregory  Wilson,  together with a Stock Option  Agreement  issued in
            connection therewith, filed as Exhibit 10(j) to the 1997 Form 10-KSB

*10(j)      Building lease dated April 17, 1995 between the Company and the City
            of Cedar Falls, Iowa, filed as Exhibit 10(l) to the Company's Annual
            Report on Form  10-KSB  for the  fiscal  year 1998 (the  "1998  Form
            10-KSB")

*10(k)      Developmental  Agreement dated July 13, 1998 between the Company and
            the City of Cedar Falls,  Iowa,  filed as Exhibit  10(m) to the 1998
            Form 10-KSB

**10(l)     Loan  Agreement  between the Company and  Mercantile  Bank  Midwest,
            dated November 2, 1998

**10(m)     Modification  Agreement to a Loan  Agreement  dated November 2, 1998
            between the  Company and  Mercantile  Bank  Midwest,  dated March 4,
            1999.

**10(n)     Promissory  Note in the  principal  amount of $4,500,000 in favor of
            Mercantile Bank Midwest, dated November 2, 1998

**10(o)     Promissory  Note in the  principal  amount of $3,500,000 in favor of
            Mercantile Bank Midwest, dated March 4, 1999

**10(p)     Promissory  Note in the  principal  amount of $6,000,000 in favor of
            Mercantile Bank Midwest, dated March 4, 1999

**10(q)     Community  Economic  Betterment  Account  ("CEBA")  Agreement by and
            among the Iowa Department of Economic Development, City of Jefferson
            and Parker Industries, Inc., dated as of February 18, 1999

**10(r)     Promissory Note in the principal  amount of $300,000 in favor of The
            City of  Jefferson,  dated as of February 18,  1999,  as part of the
            Iowa Department of Economic Development CEBA Program

**10(s)     Lease  Agreement  between the Company and Greene County  Development
            Corporation, dated as of March 5, 1999

**10(t)     Promissory Note in favor of DWZM,  Inc., dated March 5, 1999, issued
            in  connection   with  the  acquisition  of  the  assets  of  Parker
            Industries

**10(u)+    Employment  Agreement  between the Company and Thaddeus P.  Vannice,
            Sr. dated January 15, 1997

**10(v)+    Employment  Agreement  between the Company and James R. Harken dated
            as of October 19, 1998


<PAGE>

**10(w)+    Employment  Agreement  between the  Company  and Scott L.  Wildeboer
            dated as of October 19, 1998

**10(x)+    Employment  Agreement  between the  Company  and Steven F.  Bahlmann
            dated as of October 19, 1998

**10(y)+    Employment Agreement between the Company and Jerome M. Sechler dated
            as of May 11, 1999

**11        Statement re Computation of Per Share Earnings

**21        List of Subsidiaries

**23        Consent of Accountants

**27        Financial Data Schedule (Filed in EDGAR version only)

**99        Cautionary Statement  Identifying Important Factors that Could Cause
            the  Company's  Actual  Results to Differ  from those  Projected  in
            Forward-Looking Statements

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

*           Incorporated  by  reference  to the  indicated  documents  or  parts
            thereof, previously filed with the Commission.

**          Filed herewith.

+           Management contract or compensatory plan or arrangement.




                              EMPLOYMENT AGREEMENT


         THIS  AGREEMENT  is made as of the 6th day of  November,  1992,  by and
between TOP AIR MANUFACTURING,  INC., a corporation organized and existing under
the laws of the State of Iowa  (hereinafter  called  "Employer"),  and STEVEN R.
LIND, a resident of the State of Iowa (hereinafter called "Employee").

         WHEREAS,  Employer  represents  that it wishes to employ said  Employee
under any and all terms set forth in this Agreement; and

         WHEREAS, Employee represents and is willing to work diligently for said
Employer under any and all terms set forth in this Agreement; and

         NOW, THEREFORE, in consideration of the mutual covenants of the parties
hereto, it is agreed as follows:

         1.   EMPLOYMENT.   Employer  hereby  employs  Employee  to  assume  the
responsibilities  of President and Chief  Operating  Officer of Employer or such
other senior management  responsibilities  as the Board of Directors of Employer
(the  "Board")  may from time to time  prescribe,  and Employee  hereby  accepts
employment  upon the terms and conditions  hereinafter  set forth.  Employer and
Employee    acknowledge   and   agree   that   Employee's    senior   management
responsibilities  may apply to some or all of the  operations  or  divisions  of
Employer, as determined by the Board from time to time.

         2. TERM. The term of this Agreement shall begin on November 6, 1992 and
shall extend until  terminated by Employer  pursuant to paragraph 10(a) or 10(b)
below, or until terminated by Employee pursuant to paragraph 10(c) below.

         3. DUTIES. Employee agrees that during his period of employment he will
serve Employer on a full-time basis faithfully,  diligently,  confidently and to
the best of his ability, and shall perform all duties incident to the offices he
may hold from time to time,  and all such further  duties as may  reasonably  be
assigned to him from time to time by the Board pursuant to paragraph 1 hereof.

         4.  COMPENSATION.  In full consideration of the services to be rendered
by Employee during the term of this Agreement, the Employer shall compensate him
as follows:

                  (a) He shall receive a fixed annual salary of $52,500  payable
         semi-monthly.

                  (b) Employee  shall be entitled to receive  employee  benefits
         including,  but not  limited to,  medical  insurance,  life  insurance,
         disability insurance, and pension benefits or similar plans or programs
         now existing or hereafter established to the extent that he is eligible
         under the general provisions of the applicable plans, provided however,
         that the  Board may  increase  or  decrease  these  benefits  as long a
         Employee is not discriminated against.

         5. EXTENT OF SERVICE.  Employee shall devote his entire time, attention
and energies to the business of the Employer,  and shall not, during the term of
this  Agreement,  be engaged in other business  activities,  whether or not such
business  activities are pursued for gain, profit or other pecuniary  advantage;
but this shall not be construed as preventing  the Employee  from  investing his
assets in such form or manner as will not  require  any  services on the part of
Employee  in the  operation  of the  affairs  of the  companies  in  which  such
investments are made.

         6. DISCLOSURE OF INFORMATION. Employee recognizes and acknowledges that
the financial or other  affairs of the Employer,  as they may exist from time to
time,  are valuable,  special and unique  assets of the  Employer,  and Employee
agrees that he shall not, during or after the term of his  employment,  disclose
financial or other affairs of the Employer or any portion thereof to any person,
firm,  corporation,  association  or other  entity  for any  reason  or  purpose
whatsoever  except for any bona fide Employer  business  purpose  designated and
approved by the Board.

         7.  DISCLOSURE  OF  TRADE  SECRETS.  Employee  further  recognizes  and
acknowledges that the secret processes,  procedures, list of customers,  bidding
methods,  all  discoveries  and  inventions,  together  with all  knowledge  and
information  which the Employee  shall acquire during the term of this Agreement
affecting the business of the Employer, are valuable,  special and unique assets
of the Employer, and Employee agrees that he shall not, during or after the term
of  his  employment,  disclose  said  secret  processes,   procedures,  list  of
customers,  bidding methods,  any discoveries and inventions,  together with any
knowledge and  information  which the Employee  shall acquire during the term of
this  Agreement  affecting  the business of the Employer,  to any person,  firm,
corporation,  association  or other entity for any reason or purpose  whatsoever
except for any bona fide Employer  business  purpose  designated and approved by
the Board.  The Employee  further  agrees not to divulge or publish or authorize
anyone  else to divulge or  publish  during or after the term of this  Agreement
knowledge  of said secret  processes,  procedures,  list of  customers,  bidding
methods,  discoveries  or  inventions  or  any  other  confidential  information
acquired in the course of his employment concerning the Employer's business.

         8. RESTRICTIVE COVENANT - NON-COMPETITION.  Employee agrees that on the
termination for any reason  whatsoever of his employment  with the Employer,  he
will  not,  for a period  of two (2)  years  from the date of such  termination,
directly or indirectly  engage in or own any part of any company  engaged in the
same or similar competitive line of business carried on by the Employer or work,
on a full-time, part-time or consultant basis, for any corporation, partnership,
sole  proprietorship  or any other  legal  entity  engaged in such  business  or
similar competitive line of business within any of the States of Iowa, Illinois,
Indiana or Minnesota, nor will he in any way directly or indirectly,  attempt to
hire the  Employer's  employees or take away any of the  Employer's  business or
customers or destroy,  injure or damage the  goodwill of the  Employer  with its
customers.

         Employee  further  agrees  that in the  event  that the  Employer,  its
successors or assigns,  shall bring any action for the enforcement of any or all
provisions of this  covenant not to compete,  and if the Court shall find on the
basis of the  evidence  introduced  in said  action  that  this  paragraph  8 is
unreasonable  then the Court shall make a finding as to what is  reasonable  and
shall  enforce  this  Agreement  by  judgment  or decree  to the  extent of such
finding.

         9. OWNERSHIP OF INVENTIONS.  Employee  promises and agrees that he will
disclose  fully  and  reveal  promptly  to  Employer  any  and  all  inventions,
discoveries,  processes, methods, designs, products and know-how, which Employee
may invent,  discover,  acquire or develop,  either alone or in conjunction with
others,  during  Employee's  employment  by Employer  (hereinafter  collectively
referred to as  "Discoveries"),  where said Discoveries (i) relate to, or in any
way pertain to or are  connected  with the  business of  Employer,  or (ii) were
developed at Employer's  expense or on its premises,  or (iii) resulted directly
or  indirectly  from such  employment  by  Employer,  or relate to  articles  or
products made,  sold, used or bought by Employer,  or (iv) were being considered
for  design,  development,  sale,  purchase  or  use  by  Employer  during  such
employment  by  Employer,  and  Employee  further  promises and agrees that said
Discoveries shall be the sole and exclusive property of Employer;  and Employee,
whenever  requested to do so by Employer,  and without  further  compensation or
consideration  shall properly execute any and all applications,  assignments and
other  instruments which Employer shall deem necessary in order to (a) apply for
and obtain, in the name of Employer,  a patent,  trademark or copyright for said
Discoveries, and (b) assign and convey to Employer the sole and exclusive right,
title and interest in and to said Discoveries,  and any  applications,  patents,
trademarks or copyrights  thereon.  Employee  hereby  warrants,  represents  and
confirms that he neither holds nor has any interest in any patent, patent right,
patent  application,  trademark,  trademark  application,  license  agreement or
copyright  related in any way to the business of Employer;  and Employee further
agrees that any future  application for any patent,  patent right,  trademark or
copyright for any of said Discoveries shall be made in the name of Employer.

         Employee  agrees that, in the event that  subsequent to his employment,
his assistance is needed to secure, defend, or enforce any patent,  trademark or
copyright,  Employee  will provide any such  assistance  and  Employer  will pay
reasonable compensation for his time at a rate to be negotiated.

         Employee acknowledges that the restrictions contained in this paragraph
9 are  reasonable  and  necessary  in order  to  protect  Employer's  legitimate
business  interests and any violation thereof would result in irreparable injury
to Employer.  Employee further acknowledges and agrees that, in the event of any
violation  hereof,  Employer shall be authorized and entitled to seek,  from any
court of  competent  jurisdiction,  (i)  preliminary  and  permanent  injunctive
relief;  (ii) an equitable  accounting of all profits or benefits arising out of
the  violation;  and (iii)  damages  arising  from the  breach.  Such  rights or
remedies  shall be cumulative and in addition to any other rights or remedies to
which Employer may be entitled.  The prevailing  party in any such lawsuit shall
further be entitled to recover his reasonable  attorneys,  fees, court costs and
expenses.

         Employer's  failure  to  exercise a right  hereunder  in the event of a
breach by Employee of any term hereof shall not be construed as a waiver of such
breach or prevent Employer from thereafter  enforcing strict compliance with any
and all terms of this Employment Agreement.

         10. TERMINATION OF AGREEMENT.

                  (a) Employer may terminate this Agreement, effective on a date
         designated in a written  notice to Employee upon the  occurrence of any
         of the following:

                       (i)  Failure or refusal of Employee to perform his duties
                  and obligations under this Agreement;

                       (ii) Death of Employee; or

                       (iii) Disability of Employee,  defined as an inability to
                  perform  his  work  for 45  consecutive  days,  or for 90 days
                  within any 12-month period; or

                       (iv) The  commission  by  Employee  of any  felony or any
                  other act constituting fraud, embezzlement or misappropriation
                  of funds (civil or criminal).

In the event of a termination  pursuant to this  paragraph  10(a),  compensation
shall be paid on a prorated  basis through the date of  termination,  subject to
any rights of offset of Employer.

                  (b) Employer may terminate  this  Agreement for any reason not
         specified in paragraph 10(a) hereof,  effective on a date designated in
         a written notice to Employee. In the event of a termination pursuant to
         this  paragraph  10(b),  Employee's  compensation  shall  be  paid on a
         prorated  basis through the effective date of  termination,  subject to
         any rights of offset of Employer;  and in addition,  Employee  shall be
         paid a termination  payment equal to $26,250.  Such termination payment
         shall be subject to any rights of offset of Employer.  Such termination
         payment   shall  be  paid  in  12   equal,   consecutive   semi-monthly
         installments.  Termination  payment  installments  shall be made, until
         fully paid,  on the same days  following  Employee's  termination  that
         Employee would have otherwise received his regular  semi-monthly salary
         payments had he not been terminated.

                  (c)  Employee may  terminate  this  Agreement  upon sixty (60)
         days, prior written notice.  In the event of a termination  pursuant to
         this paragraph  10(c),  compensation  shall be paid on a prorated basis
         through  the date of  termination,  subject  to any rights of offset of
         Employer.

         11.  WAIVER OF BREACH.  The waiver by the Employer of the breach of any
provisions of this  Agreement by Employee shall not operate or be construed as a
waiver of any subsequent breach by Employee.

         12.  APPLICABLE  LAW. This Agreement and the validity of this provision
shall be construed under the laws of the State of Iowa.

         13. ENTIRE AGREEMENT.  This instrument constitutes the entire agreement
of the parties and  supersedes  and replaces all  previous  agreements,  whether
written  or oral,  relating  to the  employment  relationship  of  Employer  and
Employee.  It may not be  changed  orally  but only by an  agreement  in writing
signed  by  the  party  against  whom   enforcement   of  any  waiver,   change,
modification, extension or discharge is sought.

         14. SEPARABILITY OF PROVISIONS. In the event that any provision of this
Agreement is found by a Court to be void or  unenforceable,  the provision shall
be construed to be separable from the other provisions of this Agreement,  which
shall retain full force and effect.

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


                                       TOP AIR MANUFACTURING, INC.


                                       By:  /s/ S. Lee Kling
                                            ------------------------------------
                                            S. Lee Kling, Chairman of the Board

                                            "Employer"



                                         /s/ Steven R. Lind
                                       -----------------------------------------
                                       STEVEN R. LIND

                                            "Employee"



                     FIRST AMENDMENT TO EMPLOYMENT AGREEMENT


         THIS FIRST  AMENDMENT TO EMPLOYMENT  AGREEMENT  ("First  Amendment") is
entered  into as of the  19th  day of  October,  1994,  by and  between  TOP AIR
MANUFACTURING,  INC., an Iowa  corporation  ("Employer"),  and STEVEN R. LIND, a
resident of the State of Iowa ("Employee").


                                    RECITALS:

         A. Employer and Employee are parties to a certain Employment Agreement,
dated as of November 6, 1992 (the "Employment Agreement").

         B. The Employment  Agreement provides for the employment of Employee to
assume  the  responsibilities  of  President  and  Chief  Operating  Officer  of
Employer,  or such  other  senior  management  responsibilities  as the Board of
Directors  of  Employer  (the  "Board")  may  prescribe,  all on the  terms  and
conditions set forth in the Employment Agreement.

         C. The  parties  desire to amend the  Employment  Agreement  in certain
respects and to acknowledge  certain actions previously taken by them related to
Employee's employment.

         NOW  THEREFORE,  in  consideration  of  the  premises,  the  agreements
hereinafter set forth,  and other good and valuable  consideration,  the receipt
and sufficiency of which is hereby acknowledged,  Employer and Employer agree as
follows:

         1. The  Employment  Agreement is hereby  amended by deleting  paragraph
4(a) thereof in its entirety and substituting the following in lieu thereof:

                  (a) "He  shall  receive  an  initial  fixed  annual  salary of
                  $52,500.00,   payable   semi-monthly.   The  Board   may,   by
                  appropriate   Board  action,   increase,   but  not  decrease,
                  Employee's  fixed annual  salary  under this  Agreement at any
                  time during the term of this Agreement."

         2. The Employment  Agreement is hereby further  amended by deleting the
second sentence of paragraph 10(b) thereof in its entirety and  substituting the
following in lieu thereof:

                  "In the  event of a  termination  pursuant  to this  paragraph
                  10(b),  Employee's  compensation  shall be paid on a  prorated
                  basis through the effective  date of  termination,  subject to
                  any rights of offset of Employer;  and in  addition,  Employee
                  shall be paid a  termination  fee  equal to 50% of  Employee's
                  then current fixed annual salary under paragraph 4(a) hereof."

         3.  Employer  and  Employee  acknowledge  and agree  that the Board has
increased  Employee's fixed annual salary under the Employment  Agreement on two
previous  occasions,  that  Employee's  fixed annual salary under the Employment
Agreement is currently  $59,000.00,  and that  Employer and Employee have at all
times  intended  that such  increases  would not limit,  terminate or modify any
provision of the Employment  Agreement other than modify the fixed annual salary
of Employee  under  paragraph  4(a) of the  Employment  Agreement and modify the
amount of the  termination  payment under the second sentence of paragraph 10(b)
of the Employment Agreement.

         4. As amended by this First  Amendment,  the  Employment  Agreement  is
hereby ratified and affirmed and is in full force and effect.

         IN WITNESS  WHEREOF,  the parties have executed this First Amendment as
of the day and year first above written.


                                      TOP AIR MANUFACTURING, INC.


                                      By:  /s/ S. Lee Kling
                                          --------------------------------------
                                          S. Lee Kling, Chairman of the Board

                                          "Employer"



                                       /s/ Steven R. Lind
                                      ------------------------------------------
                                      Steven R. Lind

                                          "Employee"



                                 LOAN AGREEMENT
                                 for a Loan from
                             MERCANTILE BANK MIDWEST
- --------------------------------------------------------------------------------

1.   DATE AND PARTIES.  The date of this Loan Agreement  (Agreement) is November
     2, 1998, and the parties are the following:

              BORROWER:

                      TOP AIR MANUFACTURING, INC.
                      an Iowa corporation
                      317 Savannah Park Rd.
                      Cedar Falls, Iowa 50613
                      Tax I.D. #42-1155462

              BANK:

                      MERCANTILE BANK MIDWEST
                      an IOWA banking corporation
                      425 Cedar Street
                      P.O. Box 88
                      Waterloo, Iowa 50704
                      Tax I.D. #42-0167390

2.   BACKGROUND.  Borrower has applied for

           A.   A revolving  draw loan (First Loan) in the  principal  amount of
                $4,000,000.00. The Loan shall be evidenced by a promissory note,
                No.  ________________,  (First Note) dated  November 2, 1998 and
                executed  by  Borrower  payable  to the  order  of Bank  and all
                extensions, renewals, modifications, or substitutions thereof.

           B.   Also, a second  promissory  note No.  ________________,  (Second
                Note) dated November 2, 1998 and executed by Borrower payable to
                the  order of Bank,  which  evidences  a loan  (Second  Loan) to
                Borrower  in the  principal  amount  of  $4,500,000.00,  and all
                extensions, renewals, modifications, or substitutions thereof.

           C.   The terms "First Note" and "Second  Note" shall be  collectively
                referred to as "Note"  herein;  and the terms  "First  Loan" and
                "Second  Loan"  shall  be  collectively  referred  to as  "Loan"
                herein.

     There may be other documents (Related  Documents) that secure,  guaranty or
     otherwise   relate  to  the  Loan,   any   collateral   securing  the  Loan
     (Collateral),  or this  Agreement.  To induce  Bank to make the Loan and as
     part of the consideration for Bank making the Loan, Borrower and Bank agree
     to the following terms,  representations,  warranties and covenants,  which
     shall  prevail so long as any part of the Loan or any other  obligation  of
     Borrower  to Bank  remains  outstanding  or Bank is  obligated  to make any
     advances on the Loan.

3.   ADVANCES  ON  LOAN.  The  Loan is to be made  in one or  more  advances  to
     Borrower on or before  November 30, 1999. At no time shall the  outstanding
     principal  balances  of the Loan  exceed  $8,500,000.00  and the  terms and
     amounts of any such draws shall be as permitted  under,  and controlled by,
     the specific note.  Borrower  authorizes  Bank to honor any written request
     for an advance on the Loan from  Borrower or from any one of its  officers,
     employees,  partners,  family  members  or  any  other  person  as  may  be
     authorized  in  writing.  Bank  may,  in its sole  discretion  and  without
     liability  of any kind,  honor any oral  request  made by  Borrower  for an
     advance on the Loan.  Such request  constitutes a warranty by Borrower that
     the request is in compliance with this Agreement,  the Note and all Related
     Documents. The written request shall be made on documents normally required
     by Bank and shall be accompanied by all documents normally required by Bank
     for the particular  type of Loan made to Borrower.  Bank's records shall be
     conclusive evidence as to the amount of advances, unpaid principal balances
     and the accrued  interest on the Loan.  A check or other  charge  presented
     against  this  account in excess of the balance may be treated by Bank,  at
     its option,  as a request for an advance under this Agreement.  Any payment
     by Bank of any such check or other charge may, at its option, constitute an
     advance  on the  Loan to  Borrower.  Bank  shall  have no duty to make  any
     advances except as expressly stated in the Note.

4.   COLLECTION  EXPENSES.  Borrower shall, upon demand,  reimburse Bank for all
     fees  and  expenses  paid or  incurred  by Bank  for  the  preparation  and
     recordation of all documentation,  the closing,  and the enforcement of the
     Note,  this  Agreement or the Related  Documents,  whether or not a suit is
     filed.   These  fees  and  expenses  include,   but  are  not  limited  to,
     accountants' fees and other  professional  fees. All such fees and expenses
     shall be additional  liabilities  of Borrower to Bank as advances under the
     Loan and shall be secured by the Collateral securing the Loan.

5.   ATTORNEYS'  FEES.  Upon  demand and to the extent  not  prohibited  by law,
     Borrower shall  reimburse Bank for all reasonable  attorneys'  fees paid or
     incurred by Bank in connection  with the preparation and recordation of all
     documentation,  closing, and enforcement of the Note, this Agreement or the
     Related  Documents,  whether  or  not a  suit  is  filed.  Such  reasonable
     attorneys'  fees shall be  additional  liabilities  of  Borrower to Bank as
     advances under the Loan and shall be secured by the Collateral securing the
     Loan.

6.   PARTICIPATION.  Borrower  consents to permit Bank to  participate  Loan and
     share any and all information with the participating  bank as Bank may deem
     necessary.

7.   AFFIRMATIVE COVENANTS. Borrower agrees:

           A.   PERFORMANCE OF LOAN OBLIGATIONS. To make full and timely payment
                of all  principal and interest  obligations,  and to comply with
                the terms and covenants  contained in this  Agreement and in the
                Related Documents.

           B.   PRESERVE  EXISTENCE.  To preserve  Borrower's present  existence
                until  such time as Bank  consents  in  writing  to any  change.
                Bank's  consent  to any such  change  will  not be  unreasonably
                withheld  provided Bank can protect Bank's security interest and
                provided  further  Borrower  can  provide  Bank with  sufficient
                security to assure repayment of the Loan.

           C.   MAINTENANCE  OF  PROPERTY.   To  maintain,   preserve  and  keep
                Borrower's   properties  in  good  repair,   working  order  and
                condition,  and from time to time to make all needful and proper
                repairs,  renewals,  replacements,  additions,  betterments  and
                improvements thereto so that the efficiency of the properties is
                fully preserved and maintained at all times.

           D.   INSURANCE.  To keep and maintain the Collateral  insured in full
                with companies  acceptable to Bank,  naming Bank and Borrower on
                the policy in accordance with their respective  interests,  with
                the loss payable to Bank.  Insurance of the types and in amounts
                customarily   carried  by  entities  in  businesses  similar  to
                Borrower's  shall be maintained  for the full  insurable  value,
                including without limitation,  fire, public liability,  property
                damage, business interruption, rent loss insurance, and worker's
                compensation  insurance.  Certified copies of all such insurance
                policies or  certificates  of insurance  shall be delivered upon
                demand to Bank.

           E.   LOSS OR DEPRECIATION OF COLLATERAL.  To immediately  notify Bank
                of any material casualty, loss or depreciation to the Collateral
                or to any other  property of Borrower  which affects  Borrower's
                business.

           F.   AGING REPORTS. To furnish Bank a certified and detailed accounts
                receivable aging report upon Bank's request,  and in event of no
                request at least quarterly,  in such form and for such period(s)
                as Bank may request.

           G.   INSPECTION.  To permit Bank, or its agents, to enter upon any of
                Borrower's  premises and any location  where the  Collateral  is
                located  at all  reasonable  times for the  following  purposes,
                without  limitation:  (1) to inspect,  audit,  check, review and
                obtain copies from Borrower's books, records,  journals, orders,
                receipts,  and any  correspondence  and other  business  related
                data;  (2) to  make  verifications  concerning  the  Collateral,
                proceeds of the  Collateral  and  proceeds of proceeds and their
                use and  disposition;  and (3) to discuss the affairs,  finances
                and business of Borrower with any person or entity who claims to
                be a creditor of Borrower.

           H.   BOOKS AND RECORDS.  To maintain  accurate and complete books and
                records  regarding  its  operations  and to permit Bank,  or its
                agents, to examine and copy all or any part of them.

           I.   FINANCIAL   STATEMENTS.   To  promptly  provide  Bank  with  all
                financial  statements  which  Bank may  request  concerning  the
                Borrower, initially and from time to time, within 30 days of the
                request(s),  or if no request is made,  at least every 12 months
                from the date of this Agreement, including business and personal
                financial  statements;   such  statements  shall  be  reasonably
                current,  accurate,  complete,  in a form acceptable to Bank and
                shall be  based  on  generally  accepted  accounting  principles
                (GAAP) then in effect.

           J.   FURNISH  DOCUMENTS.  To promptly  furnish Bank with tax returns,
                budgets,  forecasts and such other documents,  instruments,  and
                information as Bank may reasonably request.

           K.   TAXES AND LIENS.  To file all  federal,  state and other tax and
                similar  returns and to pay all taxes or liens assessed  against
                Borrower or Borrower's properties, whether due now or hereafter,
                including  but not limited to sales taxes,  use taxes,  personal
                property  taxes,  documentary  stamp taxes,  recordation  taxes,
                franchise taxes, income taxes, withholding taxes, FICA taxes and
                unemployment  taxes when due, and to promptly  furnish Bank with
                written evidence of such payments.

           L.   LICENSES,  PERMITS,  BONDS  AND OTHER  RIGHTS.  To  acquire  and
                maintain in full force and effect all licenses,  permits,  bonds
                and other  documents  or  certificates  reasonably  necessary or
                required to engage in and to carry on its business or venture as
                contemplated by Borrower and Bank.

           M.   NOTICE  TO BANK BY  BORROWER.  To  promptly  notify  Bank of the
                occurrence  of any  Event of  Default  under  the  terms of this
                Agreement,  of  any  material  change  in  Borrower's  financial
                condition,  of  any  litigation  involving  Borrower  and of the
                occurrence  of any default  against  Borrower  by third  parties
                which materially affects Borrower's business.

           N.   CERTIFICATION   OF  NO  DEFAULT.   To  furnish  Bank  a  written
                certification upon Bank's request,  or in event of no request at
                least quarterly, that there exists no Event of Default under the
                terms of this Agreement or under the Related Documents, and that
                there exists no other action,  condition or event which with the
                giving of notice or lapse of time or both  would  constitute  an
                Event  of  Default.   If  such  a  condition  does  exist,   the
                certificate  must  accurately  and fully disclose the extent and
                nature of such condition and state what action is being taken to
                correct it.

8.   NEGATIVE COVENANTS.  Without Bank's prior written consent,  which shall not
     be unreasonably withheld, Borrower agrees:

           A.   NO CHANGE IN STRUCTURE. Not to change the structure or ownership
                of  Borrower's  entity or  business  venture,  which  includes a
                change in the management,  shareholders,  directors, or officers
                of any  corporate  borrower and to notify Bank in writing of any
                change in name or management of Borrower.

           B.   NOT TO  FORM.  Not  to  form,  organize  or  participate  in the
                organization  of any  other  corporation,  partnership  or other
                entity,  or in the  creation  of any  other  business  entity or
                merge,   consolidate   with  or  into  any  other   corporation,
                partnership or other entity.

           C.   PAY NO DIVIDENDS. Not to pay or declare any dividends (including
                but not  limited  to any cash  dividend  or stock  dividend)  or
                similar distribution.

           D.   NO CHANGE IN CAPITAL STRUCTURE OR STOCK. Not to release, redeem,
                retire,  purchase or otherwise acquire,  directly or indirectly,
                any of its capital stock or other equity security or partnership
                interest,  or make any change in  Borrower's  capital  structure
                except to the  extent  required  by the terms of any  agreements
                signed prior to this Agreement.

           E.   DEALINGS WITH  INSIDERS.  Not to purchase,  acquire or lease any
                property  or  services  from,  or sell,  provide  or  lease  any
                property or service to, or otherwise  deal with,  any  insiders.
                The term "insiders"  includes but is not limited to any officer,
                employee,  stockholder,  director,  partner,  or  any  immediate
                family  member  thereof,  or  any  business  entity  who  owns a
                controlling interest in Borrower.

           F.   LOANS  TO  INSIDERS.  Not to lend or  advance  or  permit  to be
                outstanding any loans or advances to any of its "insiders" which
                term is defined above.

           G.   INCUR NO OTHER  LIABILITIES.  Not to incur,  assume or otherwise
                permit any  liability to exist for money  borrowed,  except from
                Bank,  or incur,  assume or otherwise  permit any other debts or
                obligations outside of the ordinary course of business,  or loan
                money to, or guaranty or otherwise  become in any way liable for
                the debt or obligations of any other person or entity.

           H.   USE OF LOAN PROCEEDS. Not to permit the loan proceeds to be used
                to  purchase,  carry,  reduce,  or retire any loan  incurred  to
                purchase or carry any margin stock.

           I.   DISPOSE  OF NO  ASSETS.  Not to sell or  dispose  of or make any
                other  distribution of any of Borrower's  assets,  properties or
                business other than as permitted in the Related Documents.

           J.   NO OTHER LIENS OR ENCUMBRANCES. Not to permit or suffer any lien
                or  encumbrance  upon any of  Borrower's  properties,  except to
                Bank,   and  except  for  any  valid   purchase  money  security
                interests,  or any other liens specifically agreed to by Bank in
                writing.

9.   REPRESENTATIONS. Borrower represents, guaranties and warrants to Bank that:

           A.   AUTHORITY TO DO BUSINESS.  Borrower is authorized to do business
                in this state and in each state  where it may be doing  business
                and has full power and authority to execute and deliver the Note
                and enter into this Agreement and the Related Documents.

           B.   CORPORATE  STATUS.  Borrower  is duly  incorporated  and validly
                existing and in good standing in the  jurisdiction of Borrower's
                incorporation and where Borrower conducts Borrower's business.

           C.   AUTHORITY TO ENTER AGREEMENTS. This Agreement, the Note, and the
                Related  Documents will  constitute  legal,  valid,  and binding
                agreements and are  enforceable  against  Borrower and all other
                parties thereto.

           D.   TITLE AND POSSESSION.  Borrower has good and marketable title to
                its assets, and enjoys peaceful and undisturbed possession under
                all leases under which Borrower now operates.

           E.   LABOR LAWS. Borrower is complying with all applicable federal or
                state labor laws,  including but not limited to the Federal Fair
                Labor Standards Act.

           F.   TAX LAWS.  Borrower  has complied  with all  federal,  state and
                local tax laws, licensing laws and permit laws.

           G.   OTHER LAWS.  Borrower is not in violation of other  federal laws
                or state laws,  including  but not limited to,  ERISA  (Employee
                Retirement  Income Security Act) or RICO  (Racketeer  Influenced
                and Corrupt Organizations).

           H.   COMPLIANCE.  Borrower is in  compliance  with all laws,  orders,
                judgments,  decrees  and  regulations  (Laws)  of  all  federal,
                foreign,  state and local governmental  authorities  relating to
                the  business  operations  and  the  assets  of  Borrower,   the
                violation of which would have an adverse  effect on the value of
                or Bank's  interest  in any of the  Collateral  or would  have a
                materially  adverse  effect on Borrower's  financial  condition,
                business or conduct of its business.

           I.   ADVERSE AGREEMENTS.  Borrower is not a party to, nor is Borrower
                bound by, any agreement  that  materially  or adversely  affects
                Borrower's business, properties, assets or operations.

           J.   OTHER  CLAIMS.  There are no  outstanding  claims or rights that
                would  conflict with the  execution,  delivery or performance by
                Borrower of the terms of the Note, this Agreement or the Related
                Documents  or  that  would  cause  a lien  to be  placed  on the
                Collateral  given  for  this  Loan,  including  proceeds  of the
                Collateral  and  proceeds of  proceeds,  except  those,  if any,
                disclosed  to and  agreed  to by Bank in  writing  prior  to the
                execution of this Agreement.

           K.   ACCURATE STATEMENTS.  All financial statements,  books, records,
                documents,  and  instruments  submitted  by  Borrower to Bank in
                connection  with the Loan are accurate and  complete,  and there
                has been no material  adverse change in the financial  condition
                of  Borrower  as  shown  by  such  statements,  books,  records,
                documents or instruments.

           L.   SOLVENCY.  Borrower  is  solvent,  able to pay its debts as they
                mature,  and has sufficient capital to carry on its business and
                all  businesses  in  which  Borrower  is  or  will  be  engaged.
                Borrower's  total assets,  at a present,  fair market value, are
                greater  than  the  amount  of  Borrower's  total   obligations.
                Borrower will not be rendered  insolvent by the execution of the
                Note,  this  Agreement  or  Related  Documents  or by any  other
                transactions.

           M.   LITIGATION.  There  are no  proceedings  pending  or  threatened
                before any court or  administrative  agency  which will or could
                have a materially adverse affect upon the financial condition or
                operations of Borrower.

           N.   SURVIVAL  OF  WARRANTIES.   All   representations,   warranties,
                statements, guaranties and covenants contained in the Note, this
                Agreement or any Related  Documents  shall survive the execution
                of such documents.

10.   ENVIRONMENTAL LAWS AND HAZARDOUS SUBSTANCES.

            A.  As used in this paragraph:

                      (1)   "Environmental Law" means,  without limitation,  the
                            Comprehensive Environmental Response,  Compensation,
                            and  Liability  Act  ("CERCLA",  42  U.S.C.  9601 at
                            seq.),   all   federal,   state  and   local   laws,
                            regulations,   ordinances,  court  orders,  attorney
                            general opinions or interpretive  letters concerning
                            the public health, safety, welfare, environment or a
                            Hazardous Substance (as defined herein).

                      (2)   "Hazardous  Substance" means any toxic,  radioactive
                            or   hazardous   material,   waste,   pollutant   or
                            contaminant which has  characteristics  which render
                            the substance dangerous or potentially  dangerous to
                            the   public   health,   safety,   welfare   or  the
                            environment.  The term includes, without limitation,
                            any  substances  defined  as  "hazardous  material,"
                            "toxic substances,"  "hazardous waste" or "hazardous
                            substance" under any Environmental Law.

            B. Borrower represents, warrants and agrees that:

                      (1)   Except as previously  disclosed and  acknowledged in
                            writing to Bank, no Hazardous Substance has been, is
                            or  will  be  located,  transported,   manufactured,
                            treated, refined, or handled by any person on, under
                            or about the Property  except in the ordinary course
                            of  business  and  in  strict  compliance  with  all
                            applicable Environmental Law.

                      (2)   Except as previously  disclosed and  acknowledged in
                            writing  to Bank,  Borrower  has not and  shall  not
                            cause,  contribute  to or permit the  release of any
                            Hazardous Substance on the Property.

                      (3)   Borrower  shall  immediately  notify  Bank if: (a) a
                            release or threatened release of Hazardous Substance
                            occurs on,  under or about the  Property or migrates
                            or threatens to migrate from nearby property; or (b)
                            there  is  a  violation  of  any  Environmental  Law
                            concerning the Property.  In such an event, Borrower
                            shall  take  all   necessary   remedial   action  in
                            accordance with any Environmental Law.

                      (4)   Except as previously  disclosed and  acknowledged in
                            writing to Bank,  Borrower  has no  knowledge  of or
                            reason to believe there is any pending or threatened
                            investigation,  claim,  or  proceeding  of any  kind
                            relating to (a) any Hazardous  Substance located on,
                            under or about the Property or (b) any  violation by
                            Borrower  or any  tenant of any  Environmental  Law.
                            Borrower shall immediately notify Bank in writing as
                            soon as Borrower has reason to believe  there is any
                            such pending or threatened investigation,  claim, or
                            proceeding.  In such an event,  Bank has the  right,
                            but not the  obligation,  to participate in any such
                            proceeding  including the right to receive copies of
                            any documents relating to such proceedings.

                      (5)   Except as previously  disclosed and  acknowledged in
                            writing  to Bank,  Borrower  and every  tenant  have
                            been, are and shall remain in full  compliance  with
                            any applicable Environmental Law.

                      (6)   Except as previously  disclosed and  acknowledged in
                            writing to Bank,  there are no  underground  storage
                            tanks,  private  dumps or open  wells  located on or
                            under the  Property  and no such tank,  dump or well
                            shall be added unless Bank first agrees in writing.

                      (7)   Borrower  will   regularly   inspect  the  Property,
                            monitor  the   activities   and  operations  on  the
                            Property, and confirm that all permits,  licenses or
                            approvals  required by any applicable  Environmental
                            Law are obtained and complied with.

                      (8)   Borrower will permit, or cause any tenant to permit,
                            Bank or  Bank's  agent  to  enter  and  inspect  the
                            Property  and review all  records at any  reasonable
                            time to determine:  (a) the existence,  location and
                            nature of any Hazardous Substance on, under or about
                            the Property; (b) the existence,  location,  nature,
                            and  magnitude of any Hazardous  Substance  that has
                            been released on, under or about the  Property;  (c)
                            whether  or  not  Borrower  and  any  tenant  are in
                            compliance with any applicable Environmental Law.

                      (9)   Upon Bank's request,  Borrower agrees, at Borrower's
                            expense,   to  engage  a   qualified   environmental
                            engineer  to prepare an  environmental  audit of the
                            Property  and to submit the results of such audit to
                            Bank. The choice of the  environmental  engineer who
                            will  perform  such audit is subject to the approval
                            of Bank.

                      (10)  Bank  has the  right,  but not  the  obligation,  to
                            perform  any of  Borrower's  obligations  under this
                            paragraph at Borrower's expense.

                      (11)  As   a   consequence    of   any   breach   of   any
                            representation,  warranty  or  promise  made in this
                            paragraph, (a) Borrower will indemnify and hold Bank
                            and Bank's  successors or assigns  harmless from and
                            against all losses,  claims,  demands,  liabilities,
                            damages,  cleanup,  response and remediation  costs,
                            penalties and expenses, including without limitation
                            all costs of litigation  and  reasonable  attorneys'
                            fees to the extent not prohibited by law, which Bank
                            and Bank's  successors  or assigns may sustain;  and
                            (b) at  Bank's  discretion,  Bank may  release  this
                            Agreement  and in return  Borrower will provide Bank
                            with  collateral  of at  least  equal  value  to the
                            Property secured by this Agreement without prejudice
                            to any of Bank's rights under this Agreement.

                      (12)  Notwithstanding  any of the  language  contained  in
                            this  Agreement to the  contrary,  the terms of this
                            paragraph   shall   survive   any   foreclosure   or
                            satisfaction  of any deed of trust,  mortgage or any
                            obligation  regardless  of any  passage  of title to
                            Bank or any disposition by Bank of any or all of the
                            Property.  Any claims and  defenses to the  contrary
                            are hereby waived.

11.  EVENTS OF DEFAULT.  Borrower shall be in default upon the occurrence of any
     of the following events, circumstances or conditions (Events of Default):

           A.   Failure by any person obligated on the Loan to make payment when
                due; or

           B.   A default  or breach by  Borrower  or any  co-signer,  endorser,
                surety,  or guarantor  under any of the terms of this Agreement,
                the  Note,  any  construction   loan  agreement  or  other  loan
                agreement,  any  security  agreement,  mortgage,  deed to secure
                debt,  deed of  trust,  trust  deed,  or any other  document  or
                instrument  evidencing,   guarantying,   securing  or  otherwise
                relating to the Loan; or

           C.   The   making   or   furnishing   of  any   verbal   or   written
                representation,  statement  or  warranty  to  Bank  which  is or
                becomes  false or  incorrect  in any  material  respect by or on
                behalf of Borrower, owner, or any co-signer, endorser, surety or
                guarantor of the Loan; or

           D.   Failure to obtain or maintain the insurance  coverages  required
                by  Bank,  or  insurance  as is  customary  and  proper  for the
                Collateral (as herein defined); or

           E.   The death,  dissolution or insolvency  of, the  appointment of a
                receiver by or on behalf of, the  assignment  for the benefit of
                creditors  by or on behalf  of,  the  voluntary  or  involuntary
                termination  of  existence  by,  or  the   commencement  of  any
                proceeding   under  any  present  or  future  federal  or  state
                insolvency,  bankruptcy,  reorganization,  composition or debtor
                relief  law by or against  Borrower,  owner,  or any  co-signer,
                endorser, surety or guarantor of the Loan; or

           F.   A good  faith  belief by Bank at any time that Bank is  insecure
                with respect to Borrower, or any co-signer,  endorser, surety or
                guarantor,  that the prospect of any payment is impaired or that
                the Collateral (as herein defined) is impaired; or

           G.   Failure  to  pay  or  provide  proof  of  payment  of  any  tax,
                assessment, rent, insurance premium, escrow or escrow deficiency
                on or before its due date; or

           H.   A material  adverse  change in  Borrower's  business,  including
                ownership, management, and financial conditions, which in Bank's
                opinion, impairs the Collateral or repayment of the Obligations;
                or

           I.   A  transfer  of  a  substantial  part  of  Borrower's  money  or
                property.

12.  REMEDIES ON DEFAULT. Upon the occurrence of any Event of Default,  Bank, at
     its option,  may declare  the Loan  immediately  due and payable as well as
     invoke any or all other remedies provided in the Note, any Related Document
     or by law.  Bank is entitled to all rights and remedies  provided at law or
     equity whether or not expressly  stated in this Agreement.  By choosing any
     remedy,  Bank does not waive  its  right to an  immediate  use of any other
     remedy if the event of default continues or occurs again.

13.  NOTICE.  All notices,  requests,  and demands under this Agreement shall be
     given by regular United States mail, postage prepaid, or personal delivery,
     at the  address  set forth  above or such other  address as the parties may
     designate in writing.

14.  GENERAL PROVISIONS.

           A.   TIME IS OF THE  ESSENCE.  Time is of the  essence in  Borrower's
                performance  of all  duties  and  obligations  imposed  by  this
                Agreement.

           B.   NO  WAIVER  BY  BANK.  Bank's  course  of  dealing,   or  Bank's
                forbearance  from,  or delay in, the  exercise  of any of Bank's
                rights, remedies,  privileges or right to insist upon Borrower's
                strict   performance  of  any   provisions   contained  in  this
                Agreement, or other loan documents,  shall not be construed as a
                waiver by Bank,  unless  any such  waiver is in  writing  and is
                signed by Bank.

           C.   AMENDMENT. The provisions contained in this Agreement may not be
                amended,  except through a written  amendment which is signed by
                Borrower and Bank.

           D.   INTEGRATION  CLAUSE.  This written  Agreement  and all documents
                executed   concurrently    herewith,    represent   the   entire
                understanding  between the parties as to the Obligations and may
                not be  contradicted by evidence of prior,  contemporaneous,  or
                subsequent oral agreements of the parties.

           E.   FURTHER  ASSURANCES.  Borrower agrees,  upon request of Bank and
                within the time Bank specifies, to provide any information,  and
                to execute, acknowledge, deliver and record or file such further
                instruments  or  documents  as may be required by Bank to secure
                the Note or confirm any lien.

           F.   GOVERNING LAW. This  Agreement  shall be governed by the laws of
                the State of IOWA,  provided  that  such laws are not  otherwise
                preempted by federal laws and regulations.

           G.   FORUM AND VENUE.  In the event of litigation  pertaining to this
                Agreement,  the exclusive forum, venue and place of jurisdiction
                shall be in the State of IOWA,  unless  otherwise  designated in
                writing by Bank or otherwise required by law.

           H.   SUCCESSORS.  This  Agreement  shall  inure to the benefit of and
                bind the heirs, personal representatives, successors and assigns
                of the parties;  provided however, that Borrower may not assign,
                transfer or delegate any of the rights or obligations under this
                Agreement.

           I.   NUMBER AND GENDER. Whenever used, the singular shall include the
                plural, the plural the singular, and the use of any gender shall
                be applicable to all genders.

           J.   DEFINITIONS.  The terms used in this  Agreement,  if not defined
                herein,  shall  have  their  meanings  as  defined  in the other
                documents executed  contemporaneously,  or in conjunction,  with
                this Agreement.

           K.   PARAGRAPH  HEADINGS.  The  headings  at  the  beginning  of  any
                paragraph,  or any  subparagraph,  in  this  Agreement  are  for
                convenience only and shall not be dispositive in interpreting or
                construing this Agreement.

           L.   IF HELD UNENFORCEABLE.  If any provision of this Agreement shall
                be held unenforceable or void, then such provision to the extent
                not  otherwise  limited  by law  shall  be  severable  from  the
                remaining   provisions   and   shall  in  no  way   affect   the
                enforceability  of the remaining  provisions nor the validity of
                this Agreement.

           M.   CHANGE IN  APPLICATION.  Borrower  will  notify  Bank in writing
                prior  to any  change  in  Borrower's  name,  address,  or other
                application information.

           N.   NOTICE. All notices under this Agreement must be in writing. Any
                notice  given by Bank to Borrower  hereunder  will be  effective
                upon personal  delivery or 24 hours after mailing by first class
                United States mail,  postage  prepaid,  addressed to Borrower at
                the address  indicated below Borrower's name on page one of this
                Agreement.  Any notice given by Borrower to Bank  hereunder will
                be effective upon receipt by Bank at the address indicated below
                Bank's name on page one of this Agreement. Such addresses may be
                changed by written notice to the other party.

<PAGE>

15.  ACKNOWLEDGMENT  OF RECEIPT OF THIS  DOCUMENT.  Borrower  acknowledges  that
     Borrower has received a copy of, read and understood this Loan Agreement on
     November 2, 1998, prior to consummation of the Loan.

                IMPORTANT: READ BEFORE SIGNING.

                THE TERMS OF THIS  AGREEMENT  SHOULD BE READ  CAREFULLY  BECAUSE
                ONLY THOSE TERMS IN WRITING ARE  ENFORCEABLE.  NO OTHER TERMS OR
                ORAL  PROMISES NOT  CONTAINED  IN THIS  WRITTEN  CONTRACT MAY BE
                LEGALLY  ENFORCED.  YOU MAY CHANGE  THE TERMS OF THIS  AGREEMENT
                ONLY BY ANOTHER WRITTEN AGREEMENT.

 BORROWER:

 TOP AIR MANUFACTURING, INC.
 an Iowa corporation
                                                               [Corporate Seal*]

 By: /s/ Steve Lind
     --------------------------------------
     STEVE LIND, PRESIDENT

 (*Corporate seal may be affixed, but failure to affix shall not affect validity
 or reliance.)


BANK:

MERCANTILE BANK MIDWEST
an IOWA banking corporation
                                                               [Corporate Seal*]

By:  /s/ Cathy Rottinghaus
     -------------------------------------
     CATHY ROTTINGHAUS, VICE PRESIDENT


(*Corporate seal may be affixed, but failure to affix shall not affect validity
or reliance.)


THIS IS THE LAST PAGE OF A 4 PAGE DOCUMENT. EXHIBITS AND/OR ADDENDA MAY FOLLOW.


Please see attached "Exhibit A"


<PAGE>

                   Addendum to Loan Agreement dated 11-2-1998
                           Top Air Manufacturing, Inc.


The following additional terms will apply to loans to Top Air Manufacturing:

A penalty fee for  prepayment of the  $4,500,000  fixed rate loan would apply if
the loan was refinanced by another lending institution.

o    In years 1 through 3 the penalty would be 3% of the outstanding balance.

o    In years 4 and 5 a penalty of 2% of the outstanding balance would apply.

o    In years 6 and 7 the penalty would be 1% of the outstanding balance.

Use of the revolving  feature of the loan,  in the ordinary  course of business,
would not constitute a penalty for repayment.

All  loans  to Top Air  are to be  cross  collateralized  and a  borrowing  base
utilized  allowing a value of 50% of inventory  (excluding  work in process) and
75% of eligible accounts  receivable  (defined as those with an aging of 90 days
or less).  Monthly  borrowing base  certificates are to be submitted to the bank
within 30 days of month end.

The following covenants will apply to all loans:

o    The  company  is to  maintain  a Minimum  working  capital  requirement  of
     $5,000,000 at all times.

o    The  company is to  maintain a Current  ratio at Fiscal year end of 2.25 or
     more.

o    The  company is to maintain a Minimum  tangible  net worth  requirement  at
     Fiscal year end of not less than $5,000,000.

o    The  company  is to  maintain a  Leverage  ratio at Fiscal  year end of not
     greater than 1.25.

o    The company is to maintain an annual debt service  coverage ratio in excess
     of 1.25 times coverage.

o    Annual  capital  expenditures  for the company  are not to exceed  $250,000
     (excluding the current $1,000,000 building expansion).

o    Financial  statement  requirements  -- Bank to receive  monthly  internally
     prepared balance sheet and income  statements  within 45 days of month end.
     Annual audited statements prepared by a CPA to be submitted within 120 days
     of Fiscal year end.

o    All deposit accounts are to be maintained at Mercantile Bank.




                             MODIFICATION AGREEMENT
                   to a Loan Agreement dated November 2, 1998
                             MERCANTILE BANK MIDWEST
- --------------------------------------------------------------------------------

1.   DATE and PARTIES.  The date of this Modification  Agreement  (Agreement) is
     March 4, 1999, and the parties are the following:

     BORROWER:

         Top Air Manufacturing, Inc.
         an Iowa corporation
         317 Savannah Park Rd.
         Cedar Falls, Iowa 50613
         Tax I.D. #42-1155462

     BANK:

         MERCANTILE BANK MIDWEST
         an IOWA banking corporation
         425 Cedar Street
         P.O. Box 88
         Waterloo, Iowa 50704
         Tax I.D. #42-0167390

2.   BACKGROUND.  Borrower has applied for

           A.   An increase in the  revolving  draw loan (First  Loan) for a new
                principal amount of $6,000,000.00 (increase from $4,000,000.00).
                The loan shall be  evidenced by a promissory  note,  No.  254839
                (First  Note)  dated  March 4,  1999 and  executed  by  Borrower
                payable  to the  order  of Bank  and all  extensions,  renewals,
                modifications, or substitutions thereof.

           B.   A new  term  loan  (Third  Loan)  in  the  principal  amount  of
                $3,500,000. The loan shall be evidenced by a promissory note No.
                ________________  (Third  Note) dated March 4, 1999 and executed
                by  Borrower  payable  to the order of Bank and all  extensions,
                renewals, modifications, or substitutions thereof.

     To induce Bank to make the Loan and as part of the  consideration  for Bank
     making the Loan, Borrower and Bank agree to the following  modifications to
     the  loan  covenants  outlined  in the  Addendum  to Loan  Agreement  dated
     November 2, 1998 and executed by Borrower on November 9, 1998:

           A.   The Borrower is to maintain a Minimum Working  Capital  position
                of  $8,500,000  at all times.  Working  Capital is  measured  by
                Current Assets less Current Liabilities as reported on Borrowers
                Monthly  Financial  Statements  prepared  according to generally
                accepted accounting principals (GAAP).

           B.   The  Borrower  is to  maintain a Tangible  Net Worth of not less
                than   $6,000,000  as  reported  by  Annual  Audited   Financial
                Statements.

           C.   The Borrower's Leverage Ratio shall not exceed 2.35x at FYE 1999
                and 1.75X each FYE  thereafter.  Leverage  is  measured by Total
                Liabilities  divided by Net Worth as reported by Annual  Audited
                Financial Statements.

           D.   Certified Monthly Borrowing Base Certificates  shall be provided
                in form and  according  to  Exhibit A  attached.  The term Fixed
                Assets shall mean the net book value of property  and  equipment
                as reported on Monthly Financial  Statements  prepared according
                to GAAP. Loans outstanding shall mean all principal amounts owed
                Bank and OWOSSO Corporation.

4.   CONTINUATION  OF ALL  OTHER  TERMS AND  CONDITIONS.  This  Agreement  shall
     operate as a  modification  only and shall relate back to the execution and
     delivery of the original Loan Agreement.  By permitting  this  modification
     Bank is not  agreeing to permit  other  modifications  in the future.  This
     modification  does not  constitute a satisfaction  of the Loans.  All other
     terms and  conditions  of this Loan  contained  in the loan  documents  not
     specifically  referred to and  modified  herein  continue in full force and
     effect,  and Borrower hereby  ratifies and confirms the security,  priority
     and enforceability of each document securing the Loan.

5. RECEIPT OF COPY. Borrower acknowledges receiving a copy of this Agreement.


                IMPORTANT: READ BEFORE SIGNING.

                THE TERMS OF THIS  AGREEMENT  SHOULD BE READ  CAREFULLY  BECAUSE
                ONLY THOSE TERMS IN WRITING ARE  ENFORCEABLE.  NO OTHER TERMS OR
                ORAL  PROMISES NOT  CONTAINED  IN THIS  WRITTEN  CONTRACT MAY BE
                LEGALLY  ENFORCED.  YOU MAY CHANGE  THE TERMS OF THIS  AGREEMENT
                ONLY BY ANOTHER WRITTEN AGREEMENT.


BORROWER:

Top Air Manufacturing, Inc.
an Iowa corporation


By: /s/ Steve Lind
    ---------------------------------------
    Steve Lind, President


BANK:

MERCANTILE BANK MIDWEST
an IOWA banking corporation


By:  /s/ Steven D. Brewer
    ---------------------------------------
    Steven D. Brewer,
    Executive Vice President



- --------------------------------------------------------------------------------
LOAN NO.       LOAN NAME              ACCOUNT NO.       NOTE DATE       RATE
               TOP AIR MANUFACT.                        11/02/98        7.1%

NOTE AMOUNT         MATURITY          INITIALS
$4,500,000.00       11/10/05          CR

                           (For Bank Purposes Only-AC)

                                 PROMISSORY NOTE

                               (Business Purpose)
                             MERCANTILE BANK MIDWEST
- --------------------------------------------------------------------------------

1.   DATE AND PARTIES.  The date of this  Promissory  Note (Note) is November 2,
     1998. This Note evidences a loan which includes all  extensions,  renewals,
     modifications and substitutions  (Loan).  The parties to this Note and Loan
     are:

              BORROWER:

                    TOP AIR MANUFACTURING, INC.
                    an Iowa corporation
                    317 Savannah Park Rd.
                    Cedar Falls, Iowa 50613
                    Tax I.D. #42-1155462

              BANK:

                    MERCANTILE BANK MIDWEST
                    an IOWA banking corporation
                    425 Cedar Street
                    P.O. Box 88
                    Waterloo, Iowa 50704
                    Tax I.D. #42-0167390

2.   PROMISE TO PAY.  For value  received,  Borrower  promises  to pay to Bank's
     order at its office at the above  address,  or such other place as Bank may
     designate, the sum of $4,500,000.00  (Principal) or so much thereof as may,
     from time to time, be advanced to Borrower hereunder plus interest from the
     date of disbursement,  on the unpaid principal  balance at the rate of 7.1%
     per annum  (Contract  Rate) until this Note  matures or the  obligation  is
     accelerated.  After maturity or acceleration, the unpaid balance shall bear
     interest  at the rate  specified  in the  paragraph  in this Note  entitled
     "DEFAULT RATE OF INTEREST"  until paid in full.  The Loan and this Note are
     limited to the maximum lawful amount of interest  (Maximum Lawful Interest)
     permitted  under  federal  and state  laws.  If the  interest  accrued  and
     collected exceeds the Maximum Lawful Interest as of the time of collection,
     such excess shall be applied to reduce the  principal  amount  outstanding,
     unless  otherwise  required  by  law.  If or when no  principal  amount  is
     outstanding, any excess interest shall be refunded to Borrower according to
     the actuarial method. Interest shall be computed on the basis of the actual
     calendar year and the actual number of days elapsed.

     This is a revolving draw Note and all advances made in connection with this
     Loan  shall be at the sole  discretion  of Bank.  However,  the  amount  of
     advances under this Note that are outstanding and unpaid shall never exceed
     the  Principal.  Interest  shall  accrue only on the amount of  outstanding
     Principal that is drawn and unpaid.

     Principal  and accrued  interest  are due and  payable in 84 equal  monthly
     payments of  $52,556.96 on the 10th day of each month,  beginning  December
     10,  1998,  or the day  following  if the  payment day is a holiday or is a
     non-business day for Bank. Unless paid prior to maturity,  all other unpaid
     principal,  accrued  interest,  costs and  expenses  are due and payable on
     November 10, 2005, which is the date of maturity. These payment amounts are
     based upon timely payment of each installment. All amounts shall be paid in
     legal U.S. currency.  Any payment made with a check will constitute payment
     only when collected. These payment amounts are based upon timely payment of
     each  installment.  All amounts shall be paid in legal U.S.  currency.  Any
     payment made with a check will constitute payment only when collected.

3.   EFFECT OF PREPAYMENT. Borrower may prepay this Loan in full, subject to any
     prepayment  penalty  or  minimum  charge as agreed  to below.  However,  no
     partial prepayment shall excuse or defer Borrower's  subsequent payments or
     entitle  Borrower to a release of any  collateral.  Interest  will cease to
     accrue on the amounts prepaid on the day actually credited by Bank.

4.   MINIMUM  INTEREST  CHARGE.  Upon  prepayment in full, or if the maturity is
     accelerated, Borrower agrees to pay Bank a minimum interest charge of $7.50
     or the earned interest charge, whichever is greater.

5.   LATE CHARGE.  Borrower  agrees to pay Bank a late charge equal to 5% of the
     unpaid  installment,  if  payment  is not made in full on or before 15 days
     after the scheduled due date.

6.   EVENTS OF DEFAULT.  Borrower shall be in default upon the occurrence of any
     of the following events, circumstances or conditions (Events of Default):

           A.   Failure by  any  person  obligated  on this  Note or  any  other
                obligations Borrower has with Bank to make payment when due; or

           B.   A default  or breach by  Borrower  or any  co-signer,  endorser,
                surety,  or guarantor  under any of the terms of this Note,  any
                construction  loan  agreement  or  other  loan  agreement,   any
                security  agreement,  mortgage,  deed to  secure  debt,  deed of
                trust,   trust  deed,  or  any  other   document  or  instrument
                evidencing,  guarantying, securing or otherwise relating to this
                Note or any other obligations Borrower has with Bank; or

           C.   The   making   or   furnishing   of  any   verbal   or   written
                representation,  statement  or  warranty  to  Bank  which  is or
                becomes  false or  incorrect  in any  material  respect by or on
                behalf  of  Borrower,  or any  co-signer,  endorser,  surety  or
                guarantor  of this Note or any other  obligations  Borrower  has
                with Bank; or

           D.   Failure to obtain or maintain the insurance  coverages  required
                by  Bank,  or  insurance  as is  customary  and  proper  for any
                collateral (as herein defined); or

           E.   The death,  dissolution or insolvency  of, the  appointment of a
                receiver by or on behalf of, the  assignment  for the benefit of
                creditors  by or on behalf  of,  the  voluntary  or  involuntary
                termination  of  existence  by,  or  the   commencement  of  any
                proceeding   under  any  present  or  future  federal  or  state
                insolvency,  bankruptcy,  reorganization,  composition or debtor
                relief law by or against Borrower,  or any co-signer,  endorser,
                surety  or  guarantor  of  this  Note or any  other  obligations
                Borrower has with Bank; or

           F.   A good  faith  belief by Bank at any time that Bank is  insecure
                with respect to Borrower, or any co-signer,  endorser, surety or
                guarantor,  that the prospect of any payment is impaired or that
                any collateral (as herein defined) is impaired; or

           G.   Failure  to  pay  or  provide  proof  of  payment  of  any  tax,
                assessment, rent, insurance premium, escrow or escrow deficiency
                on or before its due date; or

           H.   A material  adverse  change in  Borrower's  business,  including
                ownership, management, and financial conditions, which in Bank's
                opinion, impairs any collateral or repayment of the Obligations;
                or

           I.   A  transfer  of  a  substantial  part  of  Borrower's  money  or
                property.

7.   DEFAULT RATE OF INTEREST.  If there is a default in this Note,  the rate of
     interest,  at Bank's option, shall immediately be increased by 3 percentage
     points  or to 6% per  annum,  whichever  is  higher,  whether  or not Bank
     accelerates  the  maturity,  and interest  shall accrue  thereafter  at the
     resulting  rate  until all  obligations  under  this Note are paid in full.
     Unless  Bank has  accelerated  the  maturity,  Bank  shall,  within 10 days
     following  the  effective  date  of such  interest  rate  increase,  notify
     Borrower of the fact that the interest rate has been increased  pursuant to
     this provision.

8.   REMEDIES ON DEFAULT.  On or after the occurrence of an Event of Default, at
     the option of Bank,  all or any part of the Principal and accrued  interest
     on this Note, the Loan and all other  obligations  which Borrower owes Bank
     shall  become  immediately  due and  payable  after  appropriate  notice as
     required by law. Bank may exercise all rights and remedies provided by law,
     equity,  this Note, any mortgage,  deed of trust or similar  instrument and
     any other security,  loan, guaranty or surety agreements pertaining to this
     Note and all other obligations of Borrower to Bank. Bank is entitled to all
     rights and  remedies  provided  at law or equity  whether or not  expressly
     stated in this Note. By choosing any remedy,  Bank does not waive its right
     to an immediate  use of any other remedy if the event of default  continues
     or occurs again.

9.   SET-OFF.  Borrower agrees that Bank may exercise Bank's right of set-off to
     pay any or all of the outstanding Principal and accrued interest, costs and
     expenses,  attorneys' fees, and advances due and owing on this Note against
     any obligation Bank may have, now or hereafter, to pay money, securities or
     other property to Borrower.  This includes, without limitation:

           A.   any  deposit  account  balance,  securities  account  balance or
                certificate  of deposit  balance  Borrower has with Bank whether
                general, special, time, savings or checking;

           B.   any money owing to Borrower on an item  presented to Bank or in
                Bank's  possession  for  collection or exchange; and

           C.   any repurchase  agreement or any other  non-deposit  obligation
                or credit in Borrower's favor.

     If any such money, securities or other property is also owned by some other
     person who has not agreed to pay this Note (such as another  depositor on a
     joint  account)  Bank's  right of set-off  will extend to the amount  which
     could be  withdrawn  or paid  directly to Borrower on  Borrower's  request,
     endorsement or instruction  alone.  In addition,  where Borrower may obtain
     payment from Bank only with the  endorsement  or consent of someone who has
     not  agreed  to pay this  Note,  Bank's  right of  set-off  will  extend to
     Borrower's  interest in the  obligation.  Bank's  right of set-off will not
     apply  to an  account  or  other  obligation  if it  clearly  appears  that
     Borrower's  rights in the obligation are solely as a fiduciary for another,
     or to an account,  which by its nature and  applicable  law (for example an
     IRA or other  tax-deferred  retirement  account),  must be exempt  from the
     claims  of  creditors.   Borrower   hereby   appoints  Bank  as  Borrower's
     attorney-in-fact  and  authorizes  Bank to redeem or obtain  payment on any
     certificate  of  deposit  in which  Borrower  has an  interest  in order to
     exercise  Bank's  right  of  set-off,  Such  authorization  applies  to any
     certificate  of deposit even if not matured.  Borrower  further  authorizes
     Bank to withhold  any early  withdrawal  penalty  without  liability in the
     event such penalty is  applicable as a result of Bank's  set-off  against a
     certificate of deposit prior to its maturity.

     Bank's right of set-off may be exercised:

           A.   without prior demand or notice;

           B.   without  regard  to  the existence  or value  of any  Collateral
                securing this Note; and

           C.   without  regard to the number or  creditworthiness  of any other
                persons  who have agreed to pay this Note.

     Bank  will not be  liable  for  dishonor  of a check or other  request  for
     payment  where  there  are  insufficient  funds in the  account  (or  other
     obligation) to pay such request  because of Bank's exercise of Bank's right
     of set-off.  Borrower  agrees to indemnify  and hold Bank harmless from any
     person's claims and the costs and expenses,  including without  limitation,
     attorneys' fees and paralegal fees,  incurred as a result of such claims or
     arising as the result of Bank's exercise of Bank's right of set-off.

10.  COLLECTION EXPENSES. On or after an Event of Default, Bank may recover from
     Borrower  all fees and expenses in  collecting,  enforcing  and  protecting
     liabilities and reasonable  expenses in realizing on any security  incurred
     by Bank, plus expenses of collecting and enforcing this Note. Such fees and
     expenses  shall include,  but are not limited to, filing fees,  publication
     expenses,  deposition fees,  stenographer  fees, witness fees and any other
     court costs.  Any such fees and expenses shall be added to the Principal of
     this Note and shall  accrue  interest at the same rate as  provided  for in
     this Note.

11.  ATTORNEYS'  FEES. Upon default of this Note, Bank may recover from Borrower
     reasonable  attorneys' fees incurred by Bank.  Such  reasonable  attorneys'
     fees shall include, without limitation, paralegal fees. Any such reasonable
     attorneys'  fees  shall be added to the  principal  amount of this Note and
     shall accrue  interest at the same rate as this Note. Such recovery will be
     to the extent not prohibited by law.

12.  NO DUTY BY  BANK.  Bank  is  under  no duty  to  preserve  or  protect  any
     Collateral  until Bank is in actual,  or  constructive,  possession  of the
     Collateral.  For purposes of this paragraph,  Bank shall only be considered
     to be in "actual"  possession  of the  Collateral  when Bank has  physical,
     immediate and exclusive  control over the Collateral and has  affirmatively
     accepted   such   control.   Bank  shall  only  be   considered  to  be  in
     "constructive"  possession of the  Collateral  when Bank has both the power
     and the intent to exercise control over the Collateral.

13.  WAIVER AND CONSENT BY BORROWER AND OTHER  SIGNERS.  Regarding this Note, to
     the extent not prohibited by law, Borrower and any other signers:

           A.   waive reinstatement, notice of default, protest, presentment for
                payment,  demand,  notice of  acceleration,  notice of intent to
                accelerate and notice of dishonor.

           B.   consent to any renewals and extensions for payment on this Note,
                regardless of the number of such renewals or extensions.

           C.   consent to Bank's release of any borrower, endorser,  guarantor,
                surety, accommodation maker or any other co-signer.

           D.   consent  to  the  release,  substitution  or  impairment of  any
                collateral.

           E.   consent that  Borrower is authorized to modify the terms of this
                Note or any instrument securing, guarantying or relating to this
                Note.

           F.   consent  to  Bank's  right of  set-off  as well as any  right of
                set-off of any bank participating in the Loan.

           G.   consent to any and all sales,  repurchases and participations of
                this Note to any person in any amounts and waive  notice of such
                sales, repurchases or participations of this Note.

14.  SECURITY.  To the extent  not  prohibited  by law,  this Note is secured by
     virtue of  cross-collateralization  by the following  described real estate
     liens: a Real Estate  Mortgage dated November 2, 1998.  However,  this Note
     will not be secured by such liens if:

           A.   Bank fails to make any disclosure of the existence of the liens
                as required by law; or

           B.   any of the liens are in Borrower's  principal dwelling  and Bank
                fails to provide  (to all  persons entitled) any notice of right
                of rescission required by law for such lien.

     Additionally,  to the extent not prohibited by law, this Note is secured by
     the following  described  security  agreements:  a Security Agreement dated
     November 2, 1998.  However,  this Note will not be secured by such security
     agreements if:

           A.   Bank  fails  to  make any  disclosure of  the existence  of  the
                security agreements  as required  by law;  or

           B.   to the extent  such  security agreements are "consumer" loans in
                "household  goods"  (as those terms  are  defined in  applicable
                federal  regulations  governing  unfair  and   deceptive  credit
                practices); or

           C.   to  the extent such  security  agreements  are in  margin  stock
                subject to the  requirements  of 12 C.F.R. Section 207 or 221.

15.  PAYMENTS  APPLIED.  All  payments,  including  but not  limited  to regular
     payments or prepayments,  received by Bank shall be applied first to costs,
     then to accrued  interest and the balance,  it any, to Principal  except as
     otherwise required by law.

16.  LOAN  PURPOSE.  Borrower  represents  and warrants that the purpose of this
     Loan is to refinance existing debt.

17.  JOINT AND  SEVERAL.  Borrower  or any other  signers  shall be jointly  and
     severally liable under this Note.

18.  FINANCIAL  STATEMENTS.  Until  this  Note is paid in full,  Borrower  shall
     furnish Bank upon Bank's  request and in the event of no request,  at least
     annually a current  financial  statement which is certified by Borrower and
     Borrower's accountant to be true, complete and accurate.

19.  GENERAL PROVISIONS.

           A.   TIME IS OF THE  ESSENCE.  Time is of the  essence in  Borrower's
                performance of all duties and obligations imposed by this Note.

           B.   NO  WAIVER  BY  BANK.  Bank's  course  of  dealing,   or  Bank's
                forbearance  from,  or delay in, the  exercise  of any of Bank's
                rights, remedies,  privileges or right to insist upon Borrower's
                strict performance of any provisions  contained in this Note, or
                other  loan  documents,  shall not be  construed  as a waiver by
                Bank,  unless  any such  waiver is in  writing  and is signed by
                Bank.

           C.   AMENDMENT.  The  provisions  contained  in this  Note may not be
                amended,  except through a written  amendment which is signed by
                Borrower and Bank.

           D.   INTEGRATION CLAUSE. This written Note and all documents executed
                concurrently   herewith,   represent  the  entire  understanding
                between  the  parties  as to  the  Obligations  and  may  not be
                contradicted   by   evidence  of  prior,   contemporaneous,   or
                subsequent oral agreements of the parties.

           E.   FURTHER  ASSURANCES.  Borrower agrees,  upon request of Bank and
                within the time Bank  specifies,  to provide any information and
                to execute, acknowledge, deliver and record or file such further
                instruments  or  documents  as may be required by Bank to secure
                this Note or confirm any lien.

           F.   GOVERNING  LAW.  This Note shall be  governed by the laws of the
                State  of  IOWA,  provided  that  such  laws  are not  otherwise
                preempted by federal laws and regulations.

           G.   FORUM AND VENUE.  In the event of litigation  pertaining to this
                Note, the exclusive forum, venue and place of jurisdiction shall
                be in the State of IOWA, unless otherwise  designated in writing
                by Bank or otherwise required by law.

           H.   SUCCESSORS. This Note shall inure to the benefit of and bind the
                heirs, personal  representatives,  successors and assigns of the
                parties;   provided  however,  that  Borrower  may  not  assign,
                transfer or delegate any of the rights or obligations under this
                Note.

           I.   NUMBER AND GENDER. Whenever used, the singular shall include the
                plural, the plural the singular, and the use of any gender shall
                be applicable to all genders.

           J.   DEFINITIONS. The terms used in this Note, it not defined herein,
                shall have  their  meanings  as  defined in the other  documents
                executed contemporaneously, or in conjunction, with this Note.

           K.   PARAGRAPH  HEADINGS.  The  headings  at  the  beginning  of  any
                paragraph, or any subparagraph, in this Note are for convenience
                only and shall not be dispositive in  interpreting or construing
                this Note.

           L.   IF HELD  UNENFORCEABLE.  If any  provision of this Note shall be
                held  unenforceable  or void,  then such provision to the extent
                not  otherwise  limited  by law  shall  be  severable  from  the
                remaining   provisions   and   shall  in  no  way   affect   the
                enforceability  of the remaining  provisions nor the validity of
                this Note.

           M.   CHANGE IN  APPLICATION.  Borrower  will  notify  Bank in writing
                prior  to any  change  in  Borrower's  name,  address,  or other
                application information.

           N.   NOTICE.  All  notices  under this Note must be in  writing.  Any
                notice  given by Bank to Borrower  hereunder  will be  effective
                upon personal  delivery or 24 hours after mailing by first class
                United States mail,  postage  prepaid,  addressed to Borrower at
                the address  indicated below Borrower's name on page one of this
                Note.  Any notice  given by Borrower to Bank  hereunder  will be
                effective  upon receipt by Bank at the address  indicated  below
                Bank's  name on page one of this  Note.  Such  addresses  may be
                changed by written notice to the other party.

           O.   HOLDER.  The  term  "Bank"  shall  include  any  transferee  and
                assignee of Bank or other holder of this Note.

           P.   BORROWER  DEFINED.  The term "Borrower"  includes each and every
                person signing this Note as a Borrower and any co-signers.

20.  ADDITIONAL  TERMS.  This loan is subject to the terms and  conditions  of a
     Loan Agreement dated November 2, 1998.

21.  RECEIPT OF COPY. By signing below,  Borrower acknowledges that Borrower has
     read and received a copy of this Note.


- --------------------------------------------------------------------------------
                         IMPORTANT: READ BEFORE SIGNING.
- --------------------------------------------------------------------------------

                THE TERMS OF THIS  AGREEMENT  SHOULD BE READ  CAREFULLY  BECAUSE
                ONLY THOSE TERMS IN WRITING ARE  ENFORCEABLE.  NO OTHER TERMS OR
                ORAL  PROMISES NOT  CONTAINED  IN THIS  WRITTEN  CONTRACT MAY BE
                LEGALLY  ENFORCED.  YOU MAY CHANGE  THE TERMS OF THIS  AGREEMENT
                ONLY BY ANOTHER WRITTEN AGREEMENT.

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


BORROWER:

TOP AIR MANUFACTURING, INC.
     an Iowa corporation
                                                           [Corporate Seal*]

By:  /s/ Steve Lind
     ------------------------------------
     STEVE LIND, PRESIDENT

(*Corporate seal may be affixed, but failure to affix shall not affect validity
or reliance.)


BANK:

MERCANTILE BANK MIDWEST
     an IOWA banking corporation
                                                           [Corporate Seal*]

By:  /s/ Cathy Rottinghaus
     ------------------------------------
     CATHY ROTTINGHAUS, VICE PRESIDENT

(*Corporate seal may be affixed, but failure to affix shall not affect validity
or reliance.)


THIS IS THE LAST PAGE OF A 3 PAGE DOCUMENT. EXHIBITS AND/OR ADDENDA MAY FOLLOW.



- --------------------------------------------------------------------------------
LOAN NO.     LOAN NAME                ACCOUNT NO.       NOTE DATE        RATE
             TOP AIR MAN. $3.5MM      2580342413        03/04/99         7.75%

NOTE AMOUNT         MATURITY          INITIALS
$3,500,000.00       03/10/04          SDB

                           (For Bank Purposes Only-AC)

                                 PROMISSORY NOTE
                               (Business Purpose)
                             MERCANTILE BANK MIDWEST
- --------------------------------------------------------------------------------

1.   DATE AND PARTIES. The date of this Promissory Note (Note) is March 4, 1999.
     This  Note  evidences  a loan  which  includes  all  extensions,  renewals,
     modifications and substitutions  (Loan).  The parties to this Note and Loan
     are:

              BORROWER:

                    TOP AIR MANUFACTURING, INC.
                    an Iowa corporation
                    317 Savannah Park Rd.
                    Cedar Falls, Iowa 50613
                    Tax I.D. #42-1155462

              BANK:

                    MERCANTILE BANK MIDWEST
                    an IOWA banking corporation
                    425 Cedar Street
                    P.O. Box 88
                    Waterloo, Iowa 50704
                    Tax I.D. #42-0167390

2.   PROMISE TO PAY.  For value  received,  Borrower  promises  to pay to Bank's
     order at its office at the above  address,  or such other place as Bank may
     designate, the sum of $3,500,000.00 (Principal) plus interest from March 4,
     1999,  on the  unpaid  principal  balance  at the rate of 7.75%  per  annum
     (Contract  Rate) until this Note matures or the obligation is  accelerated.
     After maturity or  acceleration,  the unpaid balance shall bear interest at
     the rate specified in the paragraph in this Note entitled  "DEFAULT RATE OF
     INTEREST"  until  paid in full.  The Loan and this Note are  limited to the
     maximum lawful amount of interest (Maximum Lawful Interest) permitted under
     federal and state laws. If the interest  accrued and collected  exceeds the
     Maximum Lawful Interest as of the time of collection,  such excess shall be
     applied  to reduce  the  principal  amount  outstanding,  unless  otherwise
     required by law. If or when no principal amount is outstanding,  any excess
     interest shall be refunded to Borrower  according to the actuarial  method.
     Interest shall be computed on the basis of the actual calendar year and the
     actual number of days elapsed.

     Principal  and accrued  interest  are due and  payable in 59 equal  monthly
     payments of $42,067.03 on the 10th day of each month,  beginning  April 10,
     1999,  or the  day  following  if the  payment  day  is a  holiday  or is a
     non-business  day for  Bank.  Unless  paid  prior  to  maturity,  the  last
     scheduled payment plus all other unpaid principal,  accrued interest, costs
     and expenses  are due and payable on March 10,  2004,  which is the date of
     maturity.  These  payment  amounts  are based upon  timely  payment of each
     installment.  All amounts shall be paid in legal U.S. currency. Any payment
     made with a check will constitute payment only when collected.

3.   EFFECT OF PREPAYMENT. Borrower may prepay this Loan in full, subject to any
     prepayment  penalty  or  minimum  charge as agreed  to below.  However,  no
     partial prepayment shall excuse or defer Borrower's  subsequent payments or
     entitle  Borrower to a release of any  collateral.  Interest  will cease to
     accrue on the amounts prepaid on the day actually credited by Bank.

4.   MINIMUM  INTEREST  CHARGE.  Upon  prepayment in full, or if the maturity is
     accelerated, Borrower agrees to pay Bank a minimum interest charge of $7.50
     or the earned interest charge, whichever is greater.

5.   EVENTS OF DEFAULT.  Borrower shall be in default upon the occurrence of any
     of the following events, circumstances or conditions (Events of Default):

           A.   Failure  by any  person  obligated  on this  Note  or any  other
                obligations Borrower has with Bank to make payment when due; or

           B.   A default  or breach by  Borrower  or any  co-signer,  endorser,
                surety,  or guarantor  under any of the terms of this Note,  any
                construction  loan  agreement  or  other  loan  agreement,   any
                security  agreement,  mortgage,  deed to  secure  debt,  deed of
                trust,   trust  deed,  or  any  other   document  or  instrument
                evidencing,  guarantying, securing or otherwise relating to this
                Note or any other obligations Borrower has with Bank; or

           C.   The   making   or   furnishing   of  any   verbal   or   written
                representation,  statement  or  warranty  to  Bank  which  is or
                becomes  false or  incorrect  in any  material  respect by or on
                behalf  of  Borrower,  or any  co-signer,  endorser,  surety  or
                guarantor  of this Note or any other  obligations  Borrower  has
                with Bank; or

           D.   Failure to obtain or maintain the insurance  coverages  required
                by  Bank,  or  insurance  as is  customary  and  proper  for any
                collateral (as herein defined); or

           E.   The death,  dissolution or insolvency  of, the  appointment of a
                receiver by or on behalf of, the  assignment  for the benefit of
                creditors  by or on behalf  of,  the  voluntary  or  involuntary
                termination  of  existence  by,  or  the   commencement  of  any
                proceeding   under  any  present  or  future  federal  or  state
                insolvency,  bankruptcy,  reorganization,  composition or debtor
                relief law by or against Borrower,  or any co-signer,  endorser,
                surety  or  guarantor  of  this  Note or any  other  obligations
                Borrower has with Bank; or

           F.   A good  faith  belief by Bank at any time that Bank is  insecure
                with respect to Borrower, or any co-signer,  endorser, surety or
                guarantor,  that the prospect of any payment is impaired or that
                any collateral (as herein defined) is impaired; or

           G.   Failure  to  pay  or  provide  proof  of  payment  of  any  tax,
                assessment, rent, insurance premium, escrow or escrow deficiency
                on or before its due date; or

           H.   A material  adverse  change in  Borrower's  business,  including
                ownership, management, and financial conditions, which in Bank's
                opinion, impairs any collateral or repayment of the Obligations;
                or

           I.   A  transfer  of  a  substantial  part  of  Borrower's  money  or
                property.

6.   DEFAULT RATE OF INTEREST.  If there is a default in this Note,  the rate of
     interest,  at Bank's option, shall immediately be increased by 3 percentage
     points  or to 6% per  annum,  whichever  is  higher,  whether  or not  Bank
     accelerates  the  maturity,  and interest  shall accrue  thereafter  at the
     resulting  rate  until all  obligations  under  this Note are paid in full.
     Unless  Bank has  accelerated  the  maturity,  Bank  shall,  within 10 days
     following  the  effective  date  of such  interest  rate  increase,  notify
     Borrower of the fact that the interest rate has been increased  pursuant to
     this provision.

7.   REMEDIES ON DEFAULT.  On or after the occurrence of an Event of Default, at
     the option of Bank,  all or any part of the Principal and accrued  interest
     on this Note, the Loan and all other  obligations  which Borrower owes Bank
     shall  become  immediately  due and  payable  after  appropriate  notice as
     required by law. Bank may exercise all rights and remedies provided by law,
     equity,  this Note, any mortgage,  deed of trust or similar  instrument and
     any other security,  loan, guaranty or surety agreements pertaining to this
     Note and all other obligations of Borrower to Bank. Bank is entitled to all
     rights and  remedies  provided  at law or equity  whether or not  expressly
     stated in this Note. By choosing any remedy,  Bank does not waive its right
     to an immediate  use of any other remedy if the event of default  continues
     or occurs again.

8.   SET-OFF.  Borrower agrees that Bank may exercise Bank's right of set-off to
     pay any or all of the outstanding Principal and accrued interest, costs and
     expenses,  attorneys' fees, and advances due and owing on this Note against
     any obligation Bank may have, now or hereafter, to pay money, securities or
     other property to Borrower.  This includes, without limitation:

           A.   any  deposit  account  balance,  securities  account  balance or
                certificate  of deposit  balance  Borrower has with Bank whether
                general, special, time, savings or checking;

           B.   any money owing to Borrower on an item  presented  to Bank or in
                Bank's possession for collection or exchange; and

           C.   any repurchase agreement or any other non-deposit  obligation or
                credit in Borrower's favor.

     If any such money, securities or other property is also owned by some other
     person who has not agreed to pay this Note (such as another  depositor on a
     joint  account)  Bank's  right of set-off  will extend to the amount  which
     could be  withdrawn  or paid  directly to Borrower on  Borrower's  request,
     endorsement or instruction  alone.  In addition,  where Borrower may obtain
     payment from Bank only with the  endorsement  or consent of someone who has
     not  agreed  to pay this  Note,  Bank's  right of  set-off  will  extend to
     Borrower's  interest in the  obligation.  Bank's  right of set-off will not
     apply  to an  account  or  other  obligation  if it  clearly  appears  that
     Borrower's  rights in the obligation are solely as a fiduciary for another,
     or to an account,  which by its nature and  applicable  law (for example an
     IRA or other  tax-deferred  retirement  account),  must be exempt  from the
     claims  of  creditors.   Borrower   hereby   appoints  Bank  as  Borrower's
     attorney-in-fact  and  authorizes  Bank to redeem or obtain  payment on any
     certificate  of  deposit  in which  Borrower  has an  interest  in order to
     exercise  Bank's  right  of  set-off.  Such  authorization  applies  to any
     certificate  of deposit even if not matured.  Borrower  further  authorizes
     Bank to withhold  any early  withdrawal  penalty  without  liability in the
     event such penalty is  applicable as a result of Bank's  set-off  against a
     certificate of deposit prior to its maturity.

     Bank's right of set-off may be exercised:

           A.   without prior demand or notice;

           B.   without  regard  to the  existence  or value  of any  Collateral
                securing this Note; and

           C.   without  regard to the number or  creditworthiness  of any other
                persons who have agreed to pay this Note.

     Bank  will not be  liable  for  dishonor  of a check or other  request  for
     payment  where  there  are  insufficient  funds in the  account  (or  other
     obligation) to pay such request  because of Bank's exercise of Bank's right
     of set-off.  Borrower  agrees to indemnify  and hold Bank harmless from any
     person's claims and the costs and expenses,  including without  limitation,
     attorneys' fees and paralegal fees,  incurred as a result of such claims or
     arising as the result of Bank's exercise of Bank's right of set-off.

9.   COLLECTION EXPENSES. On or after an Event of Default, Bank may recover from
     Borrower  all fees and expenses in  collecting,  enforcing  and  protecting
     liabilities and reasonable  expenses in realizing on any security  incurred
     by Bank, plus expenses of collecting and enforcing this Note. Such fees and
     expenses  shall include,  but are not limited to, filing fees,  publication
     expenses,  deposition fees,  stenographer  fees, witness fees and any other
     court costs.  Any such fees and expenses shall be added to the Principal of
     this Note and shall  accrue  interest at the same rate as  provided  for in
     this Note.

10.  ATTORNEYS'  FEES. Upon default of this Note, Bank may recover from Borrower
     reasonable  attorneys' fees incurred by Bank.  Such  reasonable  attorneys'
     fees shall include, without limitation, paralegal fees. Any such reasonable
     attorneys'  fees  shall be added to the  principal  amount of this Note and
     shall accrue  interest at the same rate as this Note. Such recovery will be
     to the extent not prohibited by law.

11.  NO DUTY BY  BANK.  Bank  is  under  no duty  to  preserve  or  protect  any
     Collateral  until Bank is in actual,  or  constructive,  possession  of the
     Collateral.  For purposes of this paragraph,  Bank shall only be considered
     to be in "actual"  possession  of the  Collateral  when Bank has  physical,
     immediate and exclusive  control over the Collateral and has  affirmatively
     accepted   such   control.   Bank  shall  only  be   considered  to  be  in
     "constructive"  possession of the  Collateral  when Bank has both the power
     and the intent to exercise control over the Collateral.

12.  WAIVER AND CONSENT BY BORROWER AND OTHER  SIGNERS.  Regarding this Note, to
     the extent not prohibited by law, Borrower and any other signers:

           A.   waive reinstatement, notice of default, protest, presentment for
                payment,  demand,  notice of  acceleration,  notice of intent to
                accelerate and notice of dishonor.

           B.   consent to any renewals and extensions for payment on this Note,
                regardless of the number of such renewals or extensions.

           C.   consent to Bank's release of any borrower, endorser,  guarantor,
                surety, accommodation maker or any other co-signer.

           D.   consent  to  the  release,  substitution  or  impairment  of any
                collateral.

           E.   consent that  Borrower is authorized to modify the terms of this
                Note or any instrument securing, guarantying or relating to this
                Note.

           F.   consent  to  Bank's  right of  set-off  as well as any  right of
                set-off of any bank participating in the Loan.

           G.   consent to any and all sales,  repurchases and participations of
                this Note to any person in any amounts and waive  notice of such
                sales, repurchases or participations of this Note.

13.  SECURITY.  To the extent  not  prohibited  by law,  this Note is secured by
     virtue of  cross-collateralization  by the following  described real estate
     liens: a Real Estate  Mortgage dated November 2, 1998.  However,  this Note
     will not be secured by such liens if:

           A.   Bank fails to make any  disclosure of the existence of the liens
                as required by law; or

           B.   any of the liens are in Borrower's  principal  dwelling and Bank
                fails to provide (to all persons  entitled)  any notice of right
                of rescission required by law for such lien.

     Additionally,  to the extent not prohibited by law, this Note is secured by
     the following  described  security  agreements:  a Security Agreement dated
     November 2, 1998.  However,  this Note will not be secured by such security
     agreements if:

           A.   Bank  fails  to make  any  disclosure  of the  existence  of the
                security agreements as required by law; or

           B.   to the extent such security  agreements are "consumer"  loans in
                "household  goods" (as those  terms are  defined  in  applicable
                federal  regulations   governing  unfair  and  deceptive  credit
                practices); or

           C.   to the  extent  such  security  agreements  are in margin  stock
                subject to the requirements of 12 C.F.R. Section 207 or 221.

14.  PAYMENTS  APPLIED.  All  payments,  including  but not  limited  to regular
     payments or prepayments,  received by Bank shall be applied first to costs,
     then to accrued  interest and the balance,  if any, to Principal  except as
     otherwise required by law.

15.  LOAN  PURPOSE.  Borrower  represents  and warrants that the purpose of this
     Loan is to purchase assets of Parker Industries, Jefferson, Iowa.

16.  JOINT AND  SEVERAL.  Borrower  or any other  signers  shall be jointly  and
     severally liable under this Note.

17.  FINANCIAL  STATEMENTS.  Until  this  Note is paid in full,  Borrower  shall
     furnish Bank upon Bank's  request and in the event of no request,  at least
     annually a current  financial  statement which is certified by Borrower and
     Borrower's accountant to be true, complete and accurate.

18.  GENERAL PROVISIONS.

           A.   TIME IS OF THE  ESSENCE.  Time is of the  essence in  Borrower's
                performance of all duties and obligations imposed by this Note.

           B.   NO  WAIVER  BY  BANK.  Bank's  course  of  dealing,   or  Bank's
                forbearance  from,  or delay in, the  exercise  of any of Bank's
                rights, remedies,  privileges or right to insist upon Borrower's
                strict performance of any provisions  contained in this Note, or
                other  loan  documents,  shall not be  construed  as a waiver by
                Bank,  unless  any such  waiver is in  writing  and is signed by
                Bank.

           C.   AMENDMENT.  The  provisions  contained  in this  Note may not be
                amended, except  through a written  amendment which is signed by
                Borrower and Bank.

           D.   INTEGRATION CLAUSE. This written Note and all documents executed
                concurrently   herewith,   represent  the  entire  understanding
                between  the  parties  as to  the  Obligations  and  may  not be
                contradicted   by   evidence  of  prior,   contemporaneous,   or
                subsequent oral agreements of the parties.

           E.   FURTHER  ASSURANCES.  Borrower agrees,  upon request of Bank and
                within the time Bank specifies, to provide any information,  and
                to execute, acknowledge, deliver and record or file such further
                instruments  or  documents  as may be required by Bank to secure
                this Note or confirm any lien.

           F.   GOVERNING  LAW.  This Note shall be  governed by the laws of the
                State  of  IOWA,  provided  that  such  laws  are not  otherwise
                preempted by federal laws and regulations.

           G.   FORUM AND VENUE.  In the event of litigation  pertaining to this
                Note, the exclusive forum, venue and place of jurisdiction shall
                be in the State of IOWA, unless otherwise  designated in writing
                by Bank or otherwise required by law.

           H.   SUCCESSORS. This Note shall inure to the benefit of and bind the
                heirs, personal  representatives,  successors and assigns of the
                parties;   provided  however,  that  Borrower  may  not  assign,
                transfer or delegate any of the rights or obligations under this
                Note.

           I.   NUMBER AND GENDER. Whenever used, the singular shall include the
                plural, the plural the singular, and the use of any gender shall
                be applicable to all genders.

           J.   DEFINITIONS. The terms used in this Note, if not defined herein,
                shall have  their  meanings  as  defined in the other  documents
                executed contemporaneously, or in conjunction, with this Note.

           K.   PARAGRAPH  HEADINGS.  The  headings  at  the  beginning  of  any
                paragraph, or any subparagraph, in this Note are for convenience
                only and shall not be dispositive in  interpreting or construing
                this Note.

           L.   IF HELD  UNENFORCEABLE.  If any  provision of this Note shall be
                held  unenforceable  or void,  then such provision to the extent
                not  otherwise  limited  by law  shall  be  severable  from  the
                remaining   provisions   and   shall  in  no  way   affect   the
                enforceability  of the remaining  provisions nor the validity of
                this Note.

           M.   CHANGE IN  APPLICATION.  Borrower  will  notify  Bank in writing
                prior  to any  change  in  Borrower's  name,  address,  or other
                application information.

           N.   NOTICE.  All  notices  under this Note must be in  writing.  Any
                notice  given by Bank to Borrower  hereunder  will be  effective
                upon personal  delivery or 24 hours after mailing by first class
                United States mail,  postage  prepaid,  addressed to Borrower at
                the address  indicated below Borrower's name on page one of this
                Note.  Any notice  given by Borrower to Bank  hereunder  will be
                effective  upon receipt by Bank at the address  indicated  below
                Bank's  name on page one of this  Note.  Such  addresses  may be
                changed by written notice to the other party.

           O.   HOLDER.  The  term  "Bank"  shall  include  any  transferee  and
                assignee of Bank or other holder of this Note.

           P.   BORROWER  DEFINED.  The term "Borrower"  includes each and every
                person signing this Note as a Borrower and any co-signers.

19.  ADDITIONAL  TERMS.  This loan is subject to the terms and  conditions  of a
     Loan Agreement dated November 2, 1998 and as modified March 4, 1999.

20.  RECEIPT OF COPY. By signing below,  Borrower acknowledges that Borrower has
     read and received a copy of this Note.


- --------------------------------------------------------------------------------
                         IMPORTANT: READ BEFORE SIGNING.
- --------------------------------------------------------------------------------


                THE TERMS OF THIS  AGREEMENT  SHOULD BE READ  CAREFULLY  BECAUSE
                ONLY THOSE TERMS IN WRITING ARE  ENFORCEABLE.  NO OTHER TERMS OR
                ORAL  PROMISES NOT  CONTAINED  IN THIS  WRITTEN  CONTRACT MAY BE
                LEGALLY  ENFORCED.  YOU MAY CHANGE  THE TERMS OF THIS  AGREEMENT
                ONLY BY ANOTHER WRITTEN AGREEMENT.

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


BORROWER:

TOP AIR MANUFACTURING, INC.
an Iowa corporation
                                                              [Corporate Seal*]

By:  /s/ Steve Lind
     -------------------------------------
     STEVE LIND, PRESIDENT

(*Corporate seal may be affixed, but failure to affix shall not affect validity
or reliance.)

BANK:

MERCANTILE BANK MIDWEST
an IOWA banking corporation
                                                              [Corporate Seal*]

By:  /s/ Steven D. Brewer
     -------------------------------------
     STEVEN D. BREWER, EXECUTIVE VICE PRES.

(*Corporate seal may be affixed, but failure to affix shall not affect validity
or reliance.)


THIS IS THE LAST PAGE OF A 3 PAGE DOCUMENT. EXHIBITS AND/OR ADDENDA MAY FOLLOW.




- --------------------------------------------------------------------------------
LOAN NO.      LOAN NAME             ACCOUNT NO.       NOTE DATE      RATE
2580342413    TOP AIR MAN 254839    254839            03/04/99       PRIME-.5
                                                                     7.75%-.5

NOTE AMOUNT        MATURITY         INITIALS
$6,000,000.00      11/10/99         CR
Revolving Draw

                           (For Bank Purposes Only-AC)

                                 PROMISSORY NOTE
                               (Business Purpose)
                             MERCANTILE BANK MIDWEST
- --------------------------------------------------------------------------------

1.   DATE AND PARTIES. The date of this Promissory Note (Note) is March 4, 1999.
     This  Note  evidences  a loan  which  includes  all  extensions,  renewals,
     modifications and substitutions  (Loan).  The parties to this Note and Loan
     are:

              BORROWER:

                    TOP AIR MANUFACTURING, INC.
                    an Iowa corporation
                    317 Savannah Park Rd.
                    Cedar Falls, Iowa 50613
                    Tax I.D. #42-1155462

              BANK:

                    MERCANTILE BANK MIDWEST
                    an IOWA banking corporation
                    425 Cedar Street
                    P.O. Box 88
                    Waterloo, Iowa 50704
                    Tax I.D. #42-0167390

2.   PROMISE TO PAY.  For value  received,  Borrower  promises  to pay to Bank's
     order at its office at the above  address,  or such other place as Bank may
     designate, the sum of $6,000,000.00  (Principal) or so much thereof as may,
     from time to time, be advanced to Borrower hereunder plus interest from the
     date of  disbursement,  on the unpaid  principal  balance at an annual rate
     equal to .5  percentage  point below  Bank's  Prime Rate,  as adjusted  and
     announced  from time to time until this Note matures or the  obligation  is
     accelerated.  The  Prime  Rate,  minus .5  percentage  points,  may also be
     referred to hereafter as the "Contract Rate".

     "Prime  Rate"  shall  mean a rate  per  annum  equal to the  interest  rate
     announced from time to time by Mercantile Bank National  Association as its
     "prime rate" on  Commercial  loans (which rate shall  fluctuate as and when
     said prime rate shall change). The Contract Rate is the sum of Bank's Prime
     Rate (7.75%) minus .5 percentage  point. The effective  Contract Rate today
     is 7.25%.  Bank's  Prime Rate today is not  necessarily  the lowest rate at
     which Bank lends its funds. The Prime Rate is only an index rate from which
     interest  rates actually  charged to customers may be measured.  The use of
     the Prime Rate is for convenience only and does not constitute a commitment
     by Bank to lend money at a preferred rate of interest.  The Prime Rate is a
     benchmark   for  pricing   certain   types  of  loans.   Depending  on  the
     circumstances,   such  as  the   amount   and   term  of  the   loan,   the
     creditworthiness of the borrower or any guarantor,  the presence and nature
     of collateral and other  relationships  between a borrower and Bank,  loans
     may be priced at, above or below the Prime Rate.

     All  adjustments  to the  Contract  Rate  will be made on each day that the
     Prime Rate changes. Any increase to the Prime Rate may be carried over to a
     subsequent  adjustment date without  resulting in a waiver or forfeiture of
     such adjustment, provided an adjustment to the Contract Rate is made within
     one year from the date of such  increase.  Any change in the Contract  Rate
     will  take  the  form of  different  payment  amounts.  After  maturity  or
     acceleration,  the unpaid balance shall bear interest at the rate specified
     in the  paragraph in this Note entitled  "DEFAULT  RATE OF INTEREST"  until
     paid in full.  The Loan and this Note are  limited  to the  maximum  lawful
     amount of interest  (Maximum Lawful  Interest)  permitted under federal and
     state  laws.  If the  interest  accrued and  collected  exceeds the Maximum
     Lawful Interest as of the time of collection,  such excess shall be applied
     to reduce the principal amount  outstanding,  unless otherwise  required by
     law. If or when no principal  amount is  outstanding,  any excess  interest
     shall be refunded to Borrower  according to the actuarial method.  Interest
     shall be computed on the basis of the actual  calendar  year and the actual
     number of days elapsed.

     This is a revolving draw Note and all advances made in connection with this
     Loan  shall be at the sole  discretion  of Bank.  However,  the  amount  of
     advances under this Note that are outstanding and unpaid shall never exceed
     the  Principal.  Interest  shall  accrue only on the amount of  outstanding
     Principal that is drawn and unpaid.

     Accrued  interest is due and payable in 7 monthly  payments on the 10th day
     of each  month,  beginning  April 10,  1999,  or the day  following  if the
     payment  day is a holiday or is a  non-business  day for Bank.  Unless paid
     prior to maturity,  the last scheduled  payment plus all unpaid  principal,
     accrued  interest,  costs and  expenses are due and payable on November 10,
     1999,  which is the date of maturity.  If the Contract  Rate  changes,  any
     remaining payments may be a different amount.  All amounts shall be paid in
     legal U.S. currency.  Any payment made with a check will constitute payment
     only when collected.

3.   EFFECT OF PREPAYMENT. Borrower may prepay this Loan in full, subject to any
     prepayment  penalty  or  minimum  charge as agreed  to below.  However,  no
     partial prepayment shall excuse or defer Borrower's  subsequent payments or
     entitle  Borrower to a release of any  collateral.  Interest  will cease to
     accrue on the amounts prepaid on the day actually credited by Bank.

4.   MINIMUM  INTEREST  CHARGE.  Upon  prepayment in full, or if the maturity is
     accelerated, Borrower agrees to pay Bank a minimum interest charge of $7.50
     or the earned interest charge, whichever is greater.

5.   EVENTS OF DEFAULT.  Borrower shall be in default upon the occurrence of any
     of the following events, circumstances or conditions (Events of Default):

           A.   Failure  by any  person  obligated  on this  Note  or any  other
                obligations Borrower has with Bank to make payment when due; or

           B.   A default  or breach by  Borrower  or any  co-signer,  endorser,
                surety,  or guarantor  under any of the terms of this Note,  any
                construction  loan  agreement  or  other  loan  agreement,   any
                security  agreement,  mortgage,  deed to  secure  debt,  deed of
                trust,   trust  deed,  or  any  other   document  or  instrument
                evidencing,  guarantying, securing or otherwise relating to this
                Note or any other obligations Borrower has with Bank; or

           C.   The   making   or   furnishing   of  any   verbal   or   written
                representation,  statement  or  warranty  to  Bank  which  is or
                becomes  false or  incorrect  in any  material  respect by or on
                behalf  of  Borrower,  or any  co-signer,  endorser,  surety  or
                guarantor  of this Note or any other  obligations  Borrower  has
                with Bank; or

           D.   Failure to obtain or maintain the insurance  coverages  required
                by  Bank,  or  insurance  as is  customary  and  proper  for any
                collateral (as herein defined); or

           E.   The death,  dissolution or insolvency  of, the  appointment of a
                receiver by or on behalf of, the  assignment  for the benefit of
                creditors  by or on behalf  of,  the  voluntary  or  involuntary
                termination  of  existence  by,  or  the   commencement  of  any
                proceeding   under  any  present  or  future  federal  or  state
                insolvency,  bankruptcy,  reorganization,  composition or debtor
                relief law by or against Borrower,  or any co-signer,  endorser,
                surety  or  guarantor  of  this  Note or any  other  obligations
                Borrower has with Bank; or

           F.   A good  faith  belief by Bank at any time that Bank is  insecure
                with respect to Borrower, or any co-signer,  endorser, surety or
                guarantor,  that the prospect of any payment is impaired or that
                any collateral (as herein defined) is impaired; or

           G.   Failure  to  pay  or  provide  proof  of  payment  of  any  tax,
                assessment, rent, insurance premium, escrow or escrow deficiency
                on or before its due date; or

           H.   A material  adverse  change in  Borrower's  business,  including
                ownership, management, and financial conditions, which in Bank's
                opinion, impairs any collateral or repayment of the Obligations;
                or

           I.   A  transfer  of  a  substantial  part  of  Borrower's  money  or
                property.

6.   DEFAULT RATE OF INTEREST.  If there is a default in this Note,  the rate of
     interest,  at Bank's option, shall immediately be increased by 3 percentage
     points  (floating  with the prime  rate) or to 6% per annum,  whichever  is
     higher,  whether or not Bank  accelerates the maturity,  and interest snail
     accrue  thereafter at the resulting rate until all  obligations  under this
     Note are paid in full.  Unless  Bank has  accelerated  the  maturity,  Bank
     shall,  within 10 days  following the effective  date of such interest rate
     increase,  notify  Borrower  of the fact  that the  interest  rate has been
     increased pursuant to this provision.

7.   REMEDIES ON DEFAULT.  On or after the occurrence of an Event of Default, at
     the option of Bank,  all or any part of the Principal and accrued  interest
     on this Note, the Loan and all other  obligations  which Borrower owes Bank
     shall  become  immediately  due and  payable  after  appropriate  notice as
     required by law. Bank may exercise all rights and remedies provided by law,
     equity,  this Note, any mortgage,  deed of trust or similar  instrument and
     any other security,  loan, guaranty or surety agreements pertaining to this
     Note and all other obligations of Borrower to Bank. Bank is entitled to all
     rights and  remedies  provided  at law or equity  whether or not  expressly
     stated in this Note. By choosing any remedy,  Bank does not waive its right
     to an immediate  use of any other remedy if the event of default  continues
     or occurs again.

8.   SET-OFF.  Borrower agrees that Bank may exercise Bank's right of set-off to
     pay any or all of the outstanding Principal and accrued interest, costs and
     expenses,  attorneys' fees, and advances due and owing on this Note against
     any obligation Bank may have, now or hereafter, to pay money, securities or
     other property to Borrower.  This includes, without limitation:

           A.   any  deposit  account  balance,  securities  account  balance or
                certificate  of deposit  balance  Borrower has with Bank whether
                general, special, time, savings or checking;

           B.   any money owing to Borrower on an item  presented  to Bank or in
                Bank's possession for collection or exchange; and

           C.   any repurchase agreement or any other non-deposit  obligation or
                credit in Borrower's favor.

     If any such money, securities or other property is also owned by some other
     person who has not agreed to pay this Note (such as another  depositor on a
     joint  account)  Bank's  right of set-off  will extend to the amount  which
     could be  withdrawn  or paid  directly to Borrower on  Borrower's  request,
     endorsement or instruction  alone.  In addition,  where Borrower may obtain
     payment from Bank only with the  endorsement  or consent of someone who has
     not  agreed  to pay this  Note,  Bank's  right of  set-off  will  extend to
     Borrower's  interest in the  obligation.  Bank's  right of set-off will not
     apply  to an  account  or  other  obligation  if it  clearly  appears  that
     Borrower's  rights in the obligation are solely as a fiduciary for another,
     or to an account,  which by its nature and  applicable  law (for example an
     IRA or other  tax-deferred  retirement  account),  must be exempt  from the
     claims  of  creditors.   Borrower   hereby   appoints  Bank  as  Borrower's
     attorney-in-fact  and  authorizes  Bank to redeem or obtain  payment on any
     certificate  of  deposit  in which  Borrower  has an  interest  in order to
     exercise  Bank's  right  of  set-off.  Such  authorization  applies  to any
     certificate  of deposit even if not matured.  Borrower  further  authorizes
     Bank to withhold  any early  withdrawal  penalty  without  liability in the
     event such penalty is  applicable as a result of Bank's  set-off  against a
     certificate of deposit prior to its maturity.

     Bank's right of set-off may be exercised:

           A.   without prior demand or notice;

           B.   without  regard  to the  existence  or value  of any  Collateral
                securing this Note; and

           C.   without  regard to the number or  creditworthiness  of any other
                persons who have agreed to pay this Note.

     Bank  will not be  liable  for  dishonor  of a check or other  request  for
     payment  where  there  are  insufficient  funds in the  account  (or  other
     obligation) to pay such request  because of Bank's exercise of Bank's right
     of set-off.  Borrower  agrees to indemnify  and hold Bank harmless from any
     person's claims and the costs and expenses,  including without  limitation,
     attorneys' fees and paralegal fees,  incurred as a result of such claims or
     arising as the result of Bank's exercise of Bank's right of set-off.

9.   COLLECTION EXPENSES. On or after an Event of Default, Bank may recover from
     Borrower  all fees and expenses in  collecting,  enforcing  and  protecting
     liabilities and reasonable  expenses in realizing on any security  incurred
     by Bank, plus expenses of collecting and enforcing this Note. Such fees and
     expenses  shall include,  but are not limited to, filing fees,  publication
     expenses,  deposition fees,  stenographer  fees, witness fees and any other
     court costs.  Any such fees and expenses shall be added to the Principal of
     this Note and shall  accrue  interest at the same rate as  provided  for in
     this Note.

10.  ATTORNEYS'  FEES. Upon default of this Note, Bank may recover from Borrower
     reasonable  attorneys' fees incurred by Bank.  Such  reasonable  attorneys'
     fees shall include, without limitation, paralegal fees. Any such reasonable
     attorneys'  fees  shall be added to the  principal  amount of this Note and
     shall accrue  interest at the same rate as this Note. Such recovery will be
     to the extent not prohibited by law.

11.  NO DUTY BY  BANK.  Bank  is  under  no duty  to  preserve  or  protect  any
     Collateral  until Bank is in actual,  or  constructive,  possession  of the
     Collateral.  For purposes of this paragraph,  Bank shall only be considered
     to be in "actual"  possession  of the  Collateral  when Bank has  physical,
     immediate and exclusive  control over the Collateral and has  affirmatively
     accepted   such   control.   Bank  shall  only  be   considered  to  be  in
     "constructive"  possession of the  Collateral  when Bank has both the power
     and the intent to exercise control over the Collateral.

12.  WAIVER AND CONSENT BY BORROWER AND OTHER  SIGNERS.  Regarding this Note, to
     the extent not prohibited by law, Borrower and any other signers:

           A.   waive reinstatement, notice of default, protest, presentment for
                payment,  demand,  notice of  acceleration,  notice of intent to
                accelerate and notice of dishonor.

           B.   consent to any renewals and extensions for payment on this Note,
                regardless of the number of such renewals or extensions.

           C.   consent to Bank's release of any borrower, endorser,  guarantor,
                surety, accommodation maker or any other co-signer.

           D.   consent  to  the  release,  substitution  or  impairment  of any
                collateral.

           E.   consent that  Borrower is authorized to modify the terms of this
                Note or any instrument securing, guarantying or relating to this
                Note.

           F.   consent  to  Bank's  right of  set-off  as well as any  right of
                set-off of any bank participating in the Loan.

           G.   consent to any and all sales,  repurchases and participations of
                this Note to any person in any amounts and waive  notice of such
                sales, repurchases or participations of this Note.

13.  SECURITY.  To the extent  not  prohibited  by law,  this Note is secured by
     virtue of  cross-collateralization  by the following  described real estate
     liens: a Real Estate  Mortgage dated November 2, 1998.  However,  this Note
     will not be secured by such liens if:

           A.   Bank fails to make any  disclosure of the existence of the liens
                as required by law; or

           B.   any of the liens are in Borrower's  principal  dwelling and Bank
                fails to provide (to all persons  entitled)  any notice of right
                of rescission required by law for such lien.

     Additionally,  to the extent not prohibited by law, this Note is secured by
     the following  described  security  agreements:  a Security Agreement dated
     November 2, 1998.  However,  this Note will not be secured by such security
     agreements if:

           A.   Bank  fails  to make  any  disclosure  of the  existence  of the
                security agreements as required by law; or

           B.   to the extent such security  agreements are "consumer"  loans in
                "household  goods" (as those  terms are  defined  in  applicable
                federal  regulations   governing  unfair  and  deceptive  credit
                practices); or

           C.   to the  extent  such  security  agreements  are in margin  stock
                subject to the requirements of 12 C.F.R. Section 207 or 221.

14.  PAYMENTS  APPLIED.  All  payments,  including  but not  limited  to regular
     payments or prepayments,  received by Bank shall be applied first to costs,
     then to accrued  interest and the balance,  if any, to Principal  except as
     otherwise required by law.

15.  LOAN  PURPOSE.  Borrower  represents  and warrants that the purpose of this
     Loan is operating expenses; renewal.

16.  JOINT AND  SEVERAL.  Borrower  or any other  signers  shall be jointly  and
     severally liable under this Note.

17.  FINANCIAL  STATEMENTS.  Until  this  Note is paid in full,  Borrower  shall
     furnish Bank upon Bank's  request and in the event of no request,  at least
     annually a current  financial  statement which is certified by Borrower and
     Borrower's accountant to be true, complete and accurate.

18.  GENERAL PROVISIONS.

           A.   TIME IS OF THE  ESSENCE.  Time is of the  essence in  Borrower's
                performance of all duties and obligations imposed by this Note.

           B.   NO  WAIVER  BY  BANK.  Bank's  course  of  dealing,   or  Bank's
                forbearance  from,  or delay in, the  exercise  of any of Bank's
                rights, remedies,  privileges or right to insist upon Borrower's
                strict performance of any provisions  contained in this Note, or
                other  loan  documents,  shall not be  construed  as a waiver by
                Bank,  unless  any such  waiver is in  writing  and is signed by
                Bank.

           C.   AMENDMENT.  The  provisions  contained  in this  Note may not be
                amended,  except through a written  amendment which is signed by
                Borrower and Bank.

           D.   INTEGRATION CLAUSE. This written Note and all documents executed
                concurrently   herewith,   represent  the  entire  understanding
                between  the  parties  as to  the  Obligations  and  may  not be
                contradicted   by   evidence  of  prior,   contemporaneous,   or
                subsequent oral agreements of the parties.

           E.   FURTHER  ASSURANCES.  Borrower agrees,  upon request of Bank and
                within the time Bank specifies, to provide any information,  and
                to execute, acknowledge, deliver and record or file such further
                instruments  or  documents  as may be required by Bank to secure
                this Note or confirm any lien.

           F.   GOVERNING  LAW.  This Note shall be  governed by the laws of the
                State  of  IOWA,  provided  that  such  laws  are not  otherwise
                preempted by federal laws and regulations.

           G.   FORUM AND VENUE.  In the event of litigation  pertaining to this
                Note, the exclusive forum, venue and place of jurisdiction shall
                be in the State of IOWA, unless otherwise  designated in writing
                by Bank or otherwise required by law.

           H.   SUCCESSORS. This Note shall inure to the benefit of and bind the
                heirs, personal  representatives,  successors and assigns of the
                parties;   provided  however,  that  Borrower  may  not  assign,
                transfer or delegate any of the rights or obligations under this
                Note.

           I.   NUMBER AND GENDER. Whenever used, the singular shall include the
                plural, the plural the singular, and the use of any gender shall
                be applicable to all genders.

           J.   DEFINITIONS. The terms used in this Note, if not defined herein,
                shall have  their  meanings  as  defined in the other  documents
                executed contemporaneously, or in conjunction, with this Note.

           K.   PARAGRAPH  HEADINGS.  The  headings  at  the  beginning  of  any
                paragraph, or any subparagraph, in this Note are for convenience
                only and shall not be dispositive in  interpreting or construing
                this Note.

           L.   IF HELD  UNENFORCEABLE.  If any  provision of this Note shall be
                held  unenforceable  or void,  then such provision to the extent
                not  otherwise  limited  by law  shall  be  severable  from  the
                remaining   provisions   and   shall  in  no  way   affect   the
                enforceability  of the remaining  provisions nor the validity of
                this Note.

           M.   CHANGE IN  APPLICATION.  Borrower  will  notify  Bank in writing
                prior  to any  change  in  Borrower's  name,  address,  or other
                application information.

           N.   NOTICE.  All  notices  under this Note must be in  writing.  Any
                notice  given by Bank to Borrower  hereunder  will be  effective
                upon personal  delivery or 24 hours after mailing by first class
                United States mail,  postage  prepaid,  addressed to Borrower at
                the address  indicated below Borrower's name on page one of this
                Note.  Any notice  given by Borrower to Bank  hereunder  will be
                effective  upon receipt by Bank at the address  indicated  below
                Bank's  name on page one of this  Note.  Such  addresses  may be
                changed by written notice to the other party.

           O.   HOLDER.  The  term  "Bank"  shall  include  any  transferee  and
                assignee of Bank or other holder of this Note.

           P.   BORROWER  DEFINED.  The term "Borrower"  includes each and every
                person signing this Note as a Borrower and any co-signers.

19.  ADDITIONAL  TERMS.  This loan is subject to the terms and  conditions  of a
     Loan Agreement dated November 2, 1998 as modified March 4, 1999.

20.  RECEIPT OF COPY. By signing below,  Borrower acknowledges that Borrower has
     read and received a copy of this Note.

<PAGE>

- --------------------------------------------------------------------------------
                         IMPORTANT: READ BEFORE SIGNING.
- --------------------------------------------------------------------------------


                THE TERMS OF THIS  AGREEMENT  SHOULD BE READ  CAREFULLY  BECAUSE
                ONLY THOSE TERMS IN WRITING ARE  ENFORCEABLE.  NO OTHER TERMS OR
                ORAL  PROMISES NOT  CONTAINED  IN THIS  WRITTEN  CONTRACT MAY BE
                LEGALLY  ENFORCED.  YOU MAY CHANGE  THE TERMS OF THIS  AGREEMENT
                ONLY BY ANOTHER WRITTEN AGREEMENT.

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


BORROWER:

TOP AIR MANUFACTURING, INC.
an Iowa corporation
                                                              [Corporate Seal*]

By:  /s/ Steve Lind
     ------------------------------------
         STEVE LIND, PRESIDENT

(*Corporate seal may be affixed, but failure to affix shall not affect validity
or reliance.)


BANK:

MERCANTILE BANK MIDWEST
an IOWA banking corporation
                                                              [Corporate Seal*]

By:  /s/ Cathy A. Rottinghaus
     ------------------------------------
     CATHY A. ROTTINGHAUS, VICE PRESIDENT

(*Corporate seal may be affixed, but failure to affix shall not affect validity
or reliance.)


THIS IS THE LAST PAGE OF A 3 PAGE DOCUMENT. EXHIBITS AND/OR ADDENDA MAY FOLLOW.




                     IOWA DEPARTMENT OF ECONOMIC DEVELOPMENT

                               CEBA LOAN AGREEMENT


                         CEBA LOAN NUMBER:  99-CEBA-23
                         AWARD DATE:  February 18,1999
                         KIND OF AWARD:  Loan/Forgivable Loan
                         AWARD AMOUNT:  $300,000


         THIS COMMUNITY  ECONOMIC  BETTERMENT ACCOUNT ("CEBA") AGREEMENT is made
by and among the IOWA DEPARTMENT OF ECONOMIC DEVELOPMENT, 200 East Grand Avenue,
Des  Moines,   Iowa  50309   ("Department"   or  "IDED"),   City  of   Jefferson
("Community"),  City Hall, 220 North Chestnut Street, Jefferson, Iowa 50129, and
Parker  Industries, Inc.  ("Business"), 900  East  Highway 30,  Jefferson,  Iowa
50129.

         The Department  desires to make a loan to the Community for the benefit
of the  Business  and the  Community  desires to accept this loan,  all upon the
terms and conditions set forth in this Agreement.  The Community desires to make
a loan to the Business and the  Business  desires to accept this loan,  all upon
the terms and conditions set forth in this Agreement.

         THEREFORE,  in consideration  of the mutual promises  contained in this
Agreement and other good and valuable consideration, it is agreed as follows:


                                    ARTICLE I
                                   DEFINITIONS


         As used in this Agreement, the following terms shall apply:

         1.1 AGREEMENT  EXPIRATION DATE.  "Agreement  Expiration Date" means the
date the Agreement ceases to be in force and effect.  The Agreement expires upon
the  occurrence  of one of the  following:  a) the  Loan  is  repaid  in full or
required part, including accrued interest, court costs and any penalties; b) the
Agreement is terminated by the Department due to any default under Article X; c)
no  disbursement  of CEBA  funds has  occurred  within the  twenty  four  months
immediately  following the Award Date;  or d) if the  Agreement  includes only a
Forgivable  Loan.  At the end of the  three  (3)  year  contract  period  if the
Business or Community has demonstrated  successful completion of the project Job
Attainment and Wage Obligation.

         1.2 AWARD  DATE.  "Award  Date"  means  the date on which the  Economic
Development Board approved the IDED CEBA participation.

         1.3  COMMUNITY  BASE JOBS.  "Community  Base Jobs"  means the number of
Full-time  Equivalent  (FTE) Jobs the Department  determines are in place in the
Community at the time of application for CEBA funds and which will remain in the
Community  whether or not CEBA funds are awarded.  Said jobs must be  maintained
for a minimum of thirteen (13) weeks beyond the Project Completion Date.

         1.4 CREATED  JOBS.  "Created  Jobs"  means the number of new  Full-time
Equivalent  (FTE) Jobs the  Business  will add to the  Community  which meet the
Project Wage  Obligation over and above the number of Community Base Jobs and/or
Retained Jobs. Said jobs must be maintained for a minimum of thirteen (13) weeks
beyond the Project Completion Date.

         1.5 FORGIVABLE LOAN. "Forgivable Loan" means a loan for which repayment
is  eliminated  in part or entirely if the  Community  and Business  satisfy the
terms of this  Agreement,  including  the Job  Attainment  and Wage  Obligations
stated in Article VII.

         1.6  FULL-TIME  EQUIVALENT (FTE) JOB. "Full-time  Equivalent (FTE) Job"
means the equivalent of employment of one (1) person for eight (8) hours per day
for a five (5) day forty (40) hour workweek for fifty two (52) weeks per year.

         1.7 JOB ATTAINMENT  OBLIGATION.  "Job Attainment  Obligation" means the
aggregate total number of Community Base Jobs,  Retained Jobs,  Created Jobs and
State Employment Level pledged by the Community and Business.

         1.8 LOAN. "Loan" means either a Conventional loan or a Forgivable Loan,
or both, the terms of which are or may be set forth in this Loan Agreement.

         1.9 LOAN AGREEMENT OR AGREEMENT.  "Loan Agreement" or "Agreement" means
this Agreement,  the Project budget and all of the notes,  leases,  assignments,
mortgages,  and similar  documents  referred to in the  Agreement  and all other
instruments  or  documents  executed by the  Business or  Community or otherwise
required in  connection  with the  Agreement,  including  but not limited to the
following:

                  (a) Attachment A, Project Budget.

                  (b) Attachment B1, Promissory Note of the Business.

                  (c) Attachment B2, Promissory Note of the Community.

                  (d) Attachment C, CEBA Application for Assistance.

                  (e) List of positions and associated  hourly rate of pay to be
created  and/or  retained as a result of this project.  Those  positions  paying
equal to or greater than the project Wage Threshold must be highlighted.

         1.10 PROJECT.  "Project"  means the detailed  description  of the work,
services,  job attainment  requirements and other obligations to be performed or
accomplished  by the Community  and Business as described in this  Agreement and
the CEBA application approved by the Department.

         1.11 PROJECT COMPLETION DATE. "Project Completion Date" means March 31,
2002  and is the  date  by  which  the  Project  tasks  shall  have  been  fully
accomplished including fulfillment of the Job Attainment Obligation.

         1.12 PROJECT WAGE OBLIGATION. The "Project Wage Obligation" is at least
90% of the County  Average  wage as compiled  from data from the  Department  of
Employment  Services.  The  "Project  Wage  Obligation"  for this  project  is a
starting wage of at least $8.36/hour.

         1.13  RETAINED  JOBS.  "Retained  Jobs"  means the number of  Full-time
Equivalent (FTE) Jobs the Department determines are in place in the Community at
the time of application for CEBA assistance and which the Business and Community
agree  will be  retained  due to receipt  of the CEBA  funds.  Said jobs must be
maintained  for a minimum of thirteen  (13) weeks beyond the Project  Completion
Date.

                                   ARTICLE II
                                     FUNDING

         2.1  FUNDING  SOURCE.  The  source  of  funding  for  the  Loan  is  an
appropriation by the State legislature for the CEBA Program. With respect to the
closing of the Loan, processing of post-closing  documents and administration of
the Loan until paid in full,  the Business and  Community  shall comply with the
requirements,  conditions  and rules of the  Department  and any other public or
private entity having authority over the funds or the Loan.

         2.2 RECEIPT OF FUNDS.  All payments under this Agreement are subject to
receipt by the  Department of sufficient  State funds for the CEBA program.  Any
termination,  reduction or delay of CEBA funds to the Department  shall,  at the
option of the Department, result in the termination,  reduction or delay of CEBA
funds to the Community and the Business.

         2.3 PRIOR COSTS.  No  expenditures  made prior to the Award Date may be
included as Project costs for the purposes of this Agreement.

         2.4  DISBURSEMENT  OF LESS THAN THE TOTAL  AWARD  AMOUNT.  If the total
award amount has not been disbursed  within one hundred twenty (120) days of the
Project  Completion  Date, then the Department  shall be under no obligation for
further disbursement.  And, the Community and Business shall be obligated to the
extent of Loan proceeds received.

                                   ARTICLE III
                                  TERMS OF LOAN

         3.1 LOAN. The Department agrees to make a  Loan/Forgivable  Loan with a
loan in the amount of $100,000  with interest at 0% for 5 years to the Community
on behalf of the Business to assist in the  financing  of the Project.  And, the
Department  agrees to make a  forgivable  loan in the  amount of  $200,000  with
interest at 6%, for 3 years to the Community on behalf of the business to assist
in the  financing  of the  Project.  Interest  begins  accruing  at the  date of
disbursement of funds.

         3.2  PROMISSORY  NOTES.  The  obligation  to repay  the  Loan  shall be
evidenced by Promissory Notes executed by the Business and the Community.

         3.3 OTHER TERMS.

         Corporate Guaranty and Blanket UCC-1

         3.4 PREPAYMENT.  The outstanding principal and accrued interest of this
Loan,  or any part  thereof that is not  forgiven,  may be prepaid in part or in
full at any time without penalty.

         3.5  ACCELERATION  UPON  DEFAULT.  If  there  is a  failure  to pay any
installment of principal and interest when due, or only a portion is paid, or in
the event of any other default under this Loan,  the  Department may declare the
entire unpaid principal and all accrued interest immediately due and payable.

         3.6  FORGIVABLE  LOAN  REPAYMENT  OR  WAIVER.  If the award  includes a
Forgivable Loan, the Department  will, in its sole discretion,  determine if the
Business has satisfied the terms of this Agreement, including fulfillment of the
Job  Attainment  and Wage  Obligation  by the Project  Completion  Date.  If the
Department  determines  that the  Business  has  satisfied  said  terms  and has
continued  to satisfy  said  terms for  thirteen  (13)  weeks  past the  Project
Completion  Date,  then barring any other  default,  repayment of principal  and
interest which would  otherwise have accrued for the time period  beginning with
the Award Date and ending with the Project  Completion Date shall be permanently
waived. If the Department does not waive repayment,  the Loan shall be repaid in
accordance with the terms Article 10.4(a) of this agreement.

                                   ARTICLE IV
                       CONDITIONS TO DISBURSEMENT OF FUNDS

         Unless and until the  following  conditions  have been  satisfied,  the
Department shall be under no obligation to disburse to the Community or Business
any amounts under the Loan Agreement:

         4.1  AUTHORITY.   The  Business  shall  have  submitted  the  following
documents to the Department:

                  (a) Certificate of Good Standing of the corporation.

                  (b) Certified copy of the corporation's Articles of incorpora-
tion.

                  (c) Certificate of Incumbency  naming the current officers and
directors of the corporation.

                  (d) Resolution  of  the  Board of  Directors  authorizing  the
corporation's  execution  and delivery of this Loan  Agreement  and the Note and
borrowing  hereunder,  and such other papers as the  Department  may  reasonably
request; and specifying the officer(s)  authorized to execute the Loan Agreement
and bind the corporation,  and a Resolution of the Board of Directors of Top Air
Manufacturing,  Inc. authorizing the corporation's execution and delivery of the
corporate guaranty required by said Loan Agreement.

         4.2  PROJECT  SCHEDULE.  The  Community  and the  Business  shall  have
submitted a completed  Project  schedule on the form  provided by the Department
and received the Department's approval of the Project schedule.

         4.3  CONSULTATION  WITH  EMPLOYMENT  SERVICES.  The Business shall have
provided  documentation  to the  Department  that it has consulted with the area
Department  of  Employment  Services  (DES)  Workforce  Center office to discuss
employment  services  available.  In addition,  the Business must provide to DES
agencies  a list of  positions  to be created  including  job  descriptions  and
qualifications.

         4.4  LOAN  AGREEMENT  EXECUTED.  The Loan  Agreement  shall  have  been
properly executed and, where required, acknowledged.

         4.5 PROJECT  FINANCIAL  COMMITMENTS.  The Business and Community  shall
have  submitted a letter from each of the following  committing to the specified
financial  involvement in the Project and received the Department's  approval of
the letters of commitment including rate and terms:

- --------------------------------------------------------------------------------
           SOURCE                         TYPE                    AMOUNT
- --------------------------------------------------------------------------------
     City of Jefferson               Building Lease              750,000
- --------------------------------------------------------------------------------
         Bank Loans                       Loan                  5,450,000
- --------------------------------------------------------------------------------
        Seller Loan                       Loan                  3,750,000
- --------------------------------------------------------------------------------
Top Air Manufacturing, Inc.        Seller's Liability            550,000
- --------------------------------------------------------------------------------


Each letter shall  include the amount,  terms and  conditions  of the  financial
commitment, as well as any applicable schedules.

         4.6 RECORDING.  The Business and Community shall have properly recorded
in the appropriate office of the Recorder of Deeds and/or the Secretary of State
any  mortgage,  security  agreement,  financing  statement  or similar  document
required by the Department under the Loan Agreement,  with all recording charges
paid.

         4.7  SOLID  AND  HAZARDOUS  WASTE  REDUCTION  PLAN.  A  Business  which
generates   solid  or  hazardous   waste  shall  have  submitted  the  following
information concerning the project site:

                  (a) A copy of the completed  audit and management  plan if the
Business  has  conducted  an in-house or an external  audit and a  corresponding
management plan within the last three years; or

                  (b) If the Business has not  conducted an in-house or external
audit and corresponding management plan within the last three years, a copy of a
letter from the Iowa Department of Natural Resources or the Iowa Waste Reduction
Center indicating they have met with the Business and an external audit has been
initiated,  or, a copy of the outline of the Business'  proposed  in-house audit
and a description of how and when the audit will be performed.  Furthermore, the
Business shall submit a copy of the completed  in-house or external audit within
30 days of its completion or receipt, which time period shall not exceed 90 days
from the disbursement date of the financial assistance.

                                    ARTICLE V
                   REPRESENTATIONS AND WARRANTIES OF BUSINESS

         To  induce  the  Department  to  make  the  Loan  referred  to in  this
Agreement, the Business represents, covenants and warrants that:

         5.1 AUTHORITY. The Business is a corporation duly organized and validly
existing under the laws of the state of  incorporation  and is in good standing,
and has complied with all applicable  laws of the State of Iowa. The Business is
duly  authorized  and empowered to execute and deliver the Loan  Agreement.  All
action on the Business'  part,  such as  appropriate  resolution of its Board of
Directors  for the  execution  and  delivery  of the  Loan  Agreement,  has been
effectively taken.

         5.2  FINANCIAL  INFORMATION.   All  financial  statements  and  related
materials concerning the Business and the Project provided to the Department are
true  and  correct  in all  material  respects  and  completely  and  accurately
represent the subject  matter thereof as of the effective date of the statements
and related  materials,  and no material  adverse change has occurred since that
date.

         5.3 APPLICATION. The contents of the application the Business submitted
to the Department for CEBA funding is a complete and accurate  representation of
the Business and the Project as of the date of submission  and there has been no
material  adverse change in the  organization,  operation,  business  prospects,
fixed  properties or key  personnel of the Business  since the date the Business
submitted its CEBA application to the Department.

         5.4  CLAIMS  AND  PROCEEDINGS.   There  are  no  actions,  lawsuits  or
proceedings pending or, to the knowledge of the Business, threatened against the
Business  affecting in any manner whatsoever their rights to execute the Loan or
the ability of the Community or Business to make the payments required under the
Loan,  or to otherwise  comply with the  obligations  of the Business  contained
under the Loan.  There are no  actions,  lawsuits  or  proceedings  at law or in
equity,  or before any governmental or  administrative  authority pending or, to
the knowledge of the Business,  threatened  against or affecting the Business or
any property or collateral pledged as security for the Loan.

         5.5 PRIOR  AGREEMENTS.  The  Community  and the Business  separately or
jointly have not entered  into any verbal or written  contracts,  agreements  or
arrangements of any kind which are inconsistent with the Loan Agreement.

         5.6 EFFECTIVE DATE. The covenants,  warranties and  representations  of
this Article are made as of the date of this Agreement and shall be deemed to be
renewed and  restated by the Business at the time of each advance or request for
disbursement of funds.

                                   ARTICLE VI
                              COVENANTS OF BUSINESS

         6.1  AFFIRMATIVE COVENANTS.  Until payment in full or required part, or
forgiveness  of the Loan,  the Business  covenants  with the  Community and IDED
that:

                  (a) PROJECT WORK AND SERVICES. The Business shall complete the
work and services  detailed in its CEBA  application  by the Project  Completion
Date.

                  (b) JOB ATTAINMENT OBLIGATION.  By the Project Completion Date
and as the Agreement may require for  additional  time periods  thereafter,  the
Business shall have fulfilled its Job Attainment Obligation described in Article
VII of this Agreement.

                  (c) BUSINESS  RETENTION.  The Business shall have and maintain
in the Community (and State,  if required) the Business  premises and operations
at least through the Agreement Expiration Date.

                  (d) RECORDS AND ACCOUNTS. The Business shall maintain job data
information,  books,  records,  documents and other  evidence  pertaining to all
costs and  expenses  incurred and revenues  received  under this Loan  Agreement
concerning the Project,  in sufficient  detail to reflect all costs,  direct and
indirect, of labor, materials, equipment, supplies, services and other costs and
expenses  of  whatever  nature,  for which  payment is  claimed  under this Loan
Agreement. The Business shall retain all records for a period of three (3) years
from the Agreement Expiration Date.

                  (e) ACCESS TO  RECORDS/INSPECTIONS.  The Business shall,  upon
reasonable  notice and at any time (during normal  business  hours),  permit the
Community and its representatives and the Department, its representatives or the
State  Auditor to  examine,  audit  and/or  copy (i) any plans and work  details
pertaining to the Project, (ii) all of the Business' books, records and accounts
relating to the Project,  and (iii) all other documentation or materials related
to this Loan;  the Business  shall  provide  proper  facilities  for making such
examination and/or inspection.

                  (f)  USE OF  LOAN  FUNDS.  The  Business  shall  expend  funds
received  under the Loan only for the purposes and  activities  described in its
CEBA Application and approved by the Department.

                  (g) DOCUMENTATION. The Business shall deliver to the Community
and/or IDED, upon request, (i) copies of all contracts or agreements relating to
the Project,  (ii) invoices,  receipts,  statements or vouchers  relating to the
Project,  (iii) a list of all unpaid bills for labor and materials in connection
with the Project, (iv) budgets and revisions showing estimated Project costs and
funds  required at any given time to complete and pay for the  Project,  and (v)
current and year-to-date  operating  statements,  including but not limited to a
Profit and Loss and Balance Sheet,  not older than sixty (60) days from the date
of request.

                  (h) NOTICE OF PROCEEDINGS.  The Business shall promptly notify
the Community and IDED of the  initiation  of any claims,  lawsuits,  bankruptcy
proceedings  or other  proceedings  brought  against  the  Business  which would
adversely impact the Project,  including, but not limited to, any proceedings to
assert or enforce liens against collateral securing the Loan.

                  (i) REPORTS.  The Business shall prepare,  sign and submit the
following reports to the Community throughout the Project period:

    Report                           Due Date
    ------                           --------

Project Schedule                     Prior to the first draw of CEBA Loan
                                     proceeds

Semi-Annual Progress                 May 10th and November 10th for the period
                                     Report ending April 30th and October 31st
                                     respectively

Quarterly "Employer's                May 10th and November 10th for the previous
Contribution and Payroll             calendar quarter
Report"

Semi-Annual Payroll Register         May 10th and November 10th for the payroll
with created and/or retained         period ending April 30th and October 31st
jobs paying at least                 respectively
$8.36/hr. highlighted

Status of CEBA Funds Report          To request funds

Annual Report                        Within 90 days after the Business' fiscal
                                     year end

Final "Employer's Contribution       Within 30 days after the Project Completion
and Payroll Report" with created     Date
and/or retained jobs paying at
least $8.36/hr. highlighted

Final Expenditure Summary            Within 30 days of Project Completion Date

Solid and Hazardous Waste Plan       Within 30 days of completion which shall
                                     not exceed 90 days from the date of fund
                                     disbursement

Annual Solid and Hazardous           March 31 of each calendar year
Waste Progress Report

Payroll Register and "Employer's     Within 120 days of Project Completion Date
Contribution Payroll Register"
90 days past the Project
Completion Date with created
and/or retained jobs
highlighted


                  (j) NOTICE OF BUSINESS  CHANGES.  The Business  shall  provide
prompt advance notice to the Community and the Department of any proposed change
in the Business  ownership,  structure or control which would materially  affect
the Project.

                  (k)  NOTICE  OF  MEETINGS.   The  Business  shall  notify  the
Community  and the  Department  at least ten (10) working days in advance of all
Board of Directors and Stockholders meetings at which the subject matter of this
Loan  Agreement  or Project is  proposed to be  discussed.  The  Business  shall
provide the  Department  with copies of the agenda and minutes of such  meetings
and expressly  agrees that a  representative  of the  Department  has a right to
attend any and all such  meetings  for the  purposes  of the  discussion  of the
Project and the Loan.

                  (l)  MAINTENANCE  OF  PROJECT  PROPERTY  AND  INSURANCE.   The
Business  shall  maintain  the Project  property  in good repair and  condition,
ordinary wear and tear excepted,  and shall not suffer or commit waste or damage
upon the Project property.  At the Department's  request, the Business shall pay
for and maintain  insurance against loss or damage by fire,  tornado,  and other
hazards,  casualties, and contingencies and all risks from time to time included
under  "extended  coverage"  policies.  This insurance shall be in an amount not
less than the full insurable value of the Project  property.  The Business shall
name the Community and Department as a mortgagee and/or an additional loss payee
as appropriate and submit copies of the policies to the Department.

                  (m)  INDEMNIFICATION.  The Business  shall  indemnify and hold
harmless the  Department,  its officers and employees,  from and against any and
all losses,  except  those  losses  incurred by the  Department  resulting  from
willful  misconduct  or  negligence  on its or their part.  The  Business  shall
indemnify and hold harmless the  Community,  its officers and employees from and
against any and all  losses,  except  those  losses  incurred  by the  Community
resulting  from willful  misconduct or  negligence  on its or their part,  which
losses  shall  include  losses of the  Community  incurred in  indemnifying  and
holding harmless the Department.

                  (n)  PROJECT  FEES.   The  Business  shall  promptly  pay  all
appraisal, survey, recording, title, license, permit and other fees and expenses
incurred incident to the Loan.

                  (o) INTEREST AND SURPLUS  PROCEEDS.  The Business shall return
all  unexpended  Loan  proceeds  and  interest  accrued on Loan  proceeds to the
Community within thirty (30) days after the Project Completion Date.

                  (p)  (PROJECTS  WITH  CEBA  AWARDS  GREATER  THAN   $500,000).
Business  shall provide at least 80% of the cost of standard  medical and dental
insurance for Full-time Equivalent (FTE) employees.

         6.2  NEGATIVE  COVENANTS.  So long as the  Business is indebted to IDED
and/or  Community,  the Business shall not, without prior written  disclosure to
the  Community  and IDED and prior  written  consent of IDED  (unless IDED prior
approval is expressly waived below), directly or indirectly:

                  (a)  BUSINESS'  INTEREST.  Assign,  waive or  transfer  any of
Business' rights, powers, duties or obligations under this Loan Agreement.

                  (b)  PROPERTY/COLLATERAL.   Sell,  transfer,  convey,  assign,
encumber or otherwise  dispose of any of the real  property or other  collateral
securing the Loan.

                  (c) RESTRICTIONS. Place or permit any restrictions,  covenants
or any similar limitations on the real property and/or other collateral securing
the Loan.

                  (d) REMOVAL OF COLLATERAL. Remove from the Project site or the
State all or any part of the collateral securing the Loan.

                  (e)  RELOCATION  OR  ABANDONMENT.   Relocate  its  operations,
physical  facilities or jobs  (including  Created,  Retained and Community  Base
Jobs)  assisted  with the Loan  proceeds  outside the  Community  or abandon its
operations or facilities or a substantial  portion  thereof within the Community
during the Loan term.

                  (f)  BUSINESS  OWNERSHIP.   Materially  change  the  ownership
structure or control of the business  affecting  the Project,  including but not
limited to, entering into any merger or consolidation  with any person,  firm or
corporation  or  permitting  substantial  distribution,   liquidation  or  other
disposal of business assets directly associated with the Project. Changes in the
business  ownership,  structure or control  which do not  materially  affect the
Project shall require forty-five (45) days prior written notice of the Community
and Department,  but not written consent of, the Department.  The materiality of
the change and whether or not the change affects the Project shall be determined
by the Department.

                  (g) BUSINESS  OPERATION.  Materially  change the nature of the
business  being  conducted,  or proposed to be  conducted,  as  described in the
Business' application for CEBA funding.

                                   ARTICLE VII
                       JOB ATTAINMENT AND WAGE OBLIGATION

         7.1 COMMUNITY  EMPLOYMENT  LEVEL. On the Project  Completion  Date, the
Business shall have in the Community a total of 100 FTE Jobs as set forth below:

- --------------------------------------------------------------------------------
                             ATTAINMENT
    PROJECT EMPLOYMENT       OBLIGATION               WAGE OBLIGATION
- --------------------------------------------------------------------------------
  Community Based Jobs          N/A                        N/A
- --------------------------------------------------------------------------------
Jefferson Retained Jobs         45                       $8.36/hr
- --------------------------------------------------------------------------------
 Jefferson Created Jobs         45                       $8.36/hr
- --------------------------------------------------------------------------------
Cedar Falls Created Jobs        10                       $8.36/hr
- --------------------------------------------------------------------------------
         TOTAL                  100             100 @ at least $8.36/hr and an
                                               average wage of at least 12.58/hr
- --------------------------------------------------------------------------------

         7.2  STATE  EMPLOYMENT  LEVEL.  On the  Project  Completion  Date,  the
Business shall have a minimum  employment level in the State of Iowa,  exclusive
of its Community and project  employment  levels, of at least 100 FTE Jobs. This
State minimum  employment level shall also be maintained  through the thirteenth
(13th) week after the Project Completion Date.

         7.3  CALCULATION OF JOB ATTAINMENT  OBLIGATION.  The Department has the
final  authority to assess  whether the Business has met its Job  Attainment and
Wage Obligation at the Project  Completion  Date. The Department shall determine
the number of Community Base, Retained and Created FTE Jobs maintained, retained
and created by the Business.  The Community and the Department reserve the right
to monitor and measure at any time during the  Agreement  term the number of FTE
Jobs maintained and/or retained and/or created by the Business.

                                  ARTICLE VIII
                           COVENANTS OF THE COMMUNITY

         8.1 AFFIRMATIVE  COVENANTS.  Until payment in full or required part, or
forgiveness of the Loan, the Community covenants with IDED that:

                  (a) PROJECT WORK AND  SERVICES.  The  Community  shall perform
work and services  detailed in the CEBA  application  by the Project  Completion
Date.

                  (b) REPORTS  REVIEW.  The Community  shall review and sign the
reports  prepared  by the  Business  as required  under the Loan  Agreement  and
forward them to the Department.  The reports shall be submitted by the Community
by the 15th of the month of receipt,  and for the final  reports,  within  sixty
(60) days after the Project Completion Date or Agreement Expiration Date period,
whichever is applicable.

                  (c) RECORDS.  The Community shall maintain books,  records and
documents in sufficient detail to demonstrate compliance with the Loan Agreement
and shall  maintain  these  materials for a period of three (3) years beyond the
Agreement Expiration Date.

                  (d) FILING.  The  Community  shall file in a proper and timely
manner any and all Security  Instruments  required in connection  with the Loan,
naming the  Department  as  co-security  holder as  required  in Article 9.1 and
promptly  providing the  Department  with  date-stamped  copies of said Security
Instruments.  The  Community  shall,  at the  Department's  request,  obtain and
provide to the Department lien searches or attorney's title opinions.

                  (e)  INDEMNIFICATION.  The Community  shall indemnify and hold
harmless the Department, its officers and employees from and against any and all
losses,  including  any loss due to the failure of the Community to file any and
all Security Instruments in a proper and timely manner.

                  (f) REQUESTS FOR LOAN FUNDS.  The  Community  shall review the
Business'  requests for Loan funds to ensure that the requests are in compliance
with the Department's  requisition  procedures and shall execute and forward the
requests to the Department for processing.

                  (g) REPAYMENTS.  The Community  shall promptly  forward to the
Department all Loan repayments received from the Business.

                  (h) UNUSED  LOAN  PROCEEDS.  The  Community  shall  return all
unused  Loan  proceeds,  including  interest  accrued on Loan  proceeds,  to the
Department within thirty (30) days after the Project Completion Date.

                  (i)  NOTICE  OF  MEETINGS.  The  Community  shall  notify  the
Department at least ten (10) days in advance of all public or closed meetings at
which the  subject  matter of this Loan  and/or the  Project is  proposed  to be
discussed.  The Community shall provide the Department with copies of the agenda
and minutes of such meetings and expressly agrees that a  representative  of the
Department  has the right to attend any such  meetings  for the  purposes of the
discussion of the Project and/or the Loan.

                  (j) NOTICE TO DEPARTMENT.  In the event the Community  becomes
aware of any material alteration in the Project, initiation of any investigation
or proceeding  involving the Project or Loan, change in the Business' ownership,
structure or operation,  or any other similar  occurrence,  the Community  shall
promptly notify the Department.

                  (k)  RESPONSIBILITY  UPON  DEFAULT.  If the Business  fails to
perform under the terms of the Loan  Agreement and the  Department  declares the
Business in default,  the Community shall be primarily  responsible for recovery
of Loan  proceeds,  as well as penalties,  interest,  costs and  foreclosure  on
collateral. The Department may also initiate an action to recover such proceeds,
or may intervene in any action commenced by the Community.

         8.2 NEGATIVE COVENANTS. So long as the Business is indebted to IDED and
loan  payments  are in arrears or past due,  the  Community  shall not,  without
written consent of IDED:

                  (a) ACCEPTANCE OF LOAN REPAYMENTS.  Accept any loan repayments
and/or   settlements  on  community  funds  considered  local  effort  in   this
agreement.

                  (b) ASSIGNMENT.  Assign its rights and responsibilities  under
this Loan Agreement.

                  (c)  ALTER  FINANCIAL   COMMITMENTS.   Alter,   accelerate  or
otherwise  change  the  terms of the  Community's  financial  commitment  to the
Business as set forth in Article 4.5.

                  (d)   ADMINISTRATION.   Discontinue   administration  or  loan
servicing activities under the Loan Agreement.

                                   ARTICLE IX
                                    SECURITY

         9.1 SECURITY INSTRUMENTS. The Business shall execute  in joint favor of
the Community and the Department all security agreements,  financing statements,
mortgages,   personal  and/or   corporate   guarantees   (hereafter,   "Security
Instruments") as required by the Department.  The following Security Instruments
shall be executed by the Business:

Corporate Guaranty and Blanket UCC-1

         9.2 FINANCING  STATEMENT.  If the  Department  requires the filing of a
financing  statement,  the Community shall provide the Department with a copy of
the date-stamped  financing statement and a certified lien search which reflects
the  recordation  of the security  interests of the Department and the Community
and all other  lien-holder  of  record.  The  Community  shall  ensure  that the
financing statement(s) include language approved by the Department to secure its
interests.

         9.3 MORTGAGE. If the Department requires the filing of a mortgage,  the
Community shall provide the Department with a copy of the date-stamped, recorded
mortgage and an  attorney's  Opinion of Title  reflecting  the  interests of the
Community and the Department.

         9.4 COMMUNITY LIABILITY.

                  (a) The Community  shall be solely  responsible for the proper
and timely filing of all Security  Instruments executed by the Business pursuant
to this Article.

                  (b) The  Community's  liability  under this Loan  Agreement is
limited to those  amounts  which the  Community  recovers  from the  Business in
unused Loan proceeds,  enforcement of judgments against the Business and through
its good faith enforcement of the Security  Instruments executed by the Business
under this  Article.  Notwithstanding  this  limited  financial  liability,  the
Community  shall  indemnify and hold harmless the  Department,  its officers and
employees from and against any and all losses related to the Project,  including
those which are the result of the  Community's  failure to file,  or improper or
untimely filing, of any Security Instrument executed by the Business pursuant to
this Article.  Nothing in this  paragraph  shall limit the recovery of principal
and interest by the Department in the event of Community's fraud, negligence, or
gross  mismanagement  in the  application  for, or use of, sums loaned under the
Loan Agreement.

         9.5 COST  VARIATION.  In the event that the total  Project cost is less
than the amount  specified in this Agreement,  the CEBA  participation  shall be
reduced at the same ratio as CEBA funds are to the total Project  cost,  and any
disbursed excess above the reduced CEBA  participation  amount shall be returned
immediately to IDED with interest at the rate of six percent (6%) per annum from
the date of disbursement by IDED.

                                    ARTICLE X
                              DEFAULT AND REMEDIES

         10.1  EVENTS OF  DEFAULT.  The  following  shall  constitute  Events of
Default under this Loan Agreement:

                  (a)   MATERIAL   MISREPRESENTATION.   If  at  any   time   any
representation, warranty or statement made or furnished to the Department by, or
on behalf of, the Business or Community in connection  with this Loan  Agreement
or to induce the  Department  to make a loan to the  Community  and/or  Business
shall be determined by the  Department  to be  incorrect,  false,  misleading or
erroneous in any material respect when made or furnished and shall not have been
remedied to the Department's  satisfaction within thirty (30) days after written
notice by the Department is given to the Business or Community.

                  (b) NON-PAYMENT.  If the Business fails to make a payment when
due under the terms of this Loan  Agreement  within  thirty (30) days  following
written  notice  of  such  overdue  payment  is  given  to the  Business  by the
Department.

                  (c)  NONCOMPLIANCE.  If there is a failure by the  Business or
Community to comply with any of the covenants,  terms or conditions contained in
this Agreement or Security Instruments executed pursuant to this Agreement.

                  (d)  PROJECT  COMPLETION  DATE.  If the  Project,  in the sole
judgment of the Department, is not completed on or before the Project Completion
Date.

                  (e)  JOB  ATTAINMENT  OBLIGATION.  If  the  Business,  in  the
exclusive judgment of the Department,  fails to meet its Job Attainment and Wage
Obligation.

                  (f)  BUSINESS  CHANGES.  If there is a material  change in the
Business ownership,  structure or control which occurs without the prior written
disclosure to and if required, written permission of the Department.

                  (g)  RELOCATION  OR  ABANDONMENT.  If there is a relocation or
abandonment of the Business or jobs created or retained under the Project.

                  (h)  MISSPENDING.  If the Business or  Community  expends Loan
proceeds for purposes not described in the CEBA application or authorized by the
Department.

                  (i)  INSOLVENCY  OR  BANKRUPTCY.   If  the  Business   becomes
insolvent  or bankrupt,  or admits in writing its  inability to pay its debts as
they  mature,  or makes an  assignment  for the  benefit  of  creditors,  or the
Business applies for or consents to the appointment of a trustee or receiver for
the Business or for the major part of its property;  or if a trustee or receiver
is appointed for the Business or for all or a substantial  part of the assets of
the Business and the order of such  appointment  is not  discharged,  vacated or
stayed  within  sixty  (60)  days  after  such  appointment;  or if  bankruptcy,
reorganization,  arrangement,  insolvency,  or liquidation  proceedings or other
proceedings  for relief  under any  bankruptcy  or  similar  law or laws for the
relief of debtors,  are instituted by or against the Business and, if instituted
against the  Business,  is consented to, or, if contested by the Business is not
dismissed by the adverse parties or by an order, decree or judgment within sixty
(60) days after such institution.

                  (j) INSURANCE.  If loss,  theft,  damage or destruction of any
substantial  portion of the property of the  Business  occurs for which there is
either no  insurance  coverage or for which,  in the opinion of the  Department,
there is insufficient insurance coverage.

                  (k) INSECURITY.  The Department  shall deem itself insecure in
good faith and reasonably  believes,  after  consideration  of all the facts and
circumstances  then existing,  that the prospect of payment and  satisfaction of
the obligations under this Agreement, or the performance of or observance of the
covenants  in this  Agreement,  or the  value  of its  collateral  is or will be
materially impaired.

         10.2 NOTICE OF DEFAULT.  The Department shall issue a written notice of
default  providing  therein a thirty (30) day period in which the Business shall
have an opportunity to cure, provided that cure is possible and feasible.

         10.3 REMEDIES UPON DEFAULT.  If the default  remains  unremedied,  IDED
shall have the right,  in addition to any rights and  remedies  available  to it
under any of the Security Instruments, to do one or more of the following:

                  (a) exercise any remedy provided by law;

                  (b) declare the unpaid principal plus interest then accrued on
the Note due and  payable  immediately  without  presentment,  demand,  protest,
notice of protest,  notice of  intention  to  accelerate  or other notice of any
kind, all of which are expressly waived by the Business.

         10.4  FAILURE TO MEET JOB  ATTAINMENT  OBLIGATION.  If the  Business is
determined  by the  Department  to be in  default of the Loan  Agreement  due to
meeting  less than one hundred  percent  (100%) of its Job  Attainment  and Wage
Obligation,  the  Department  may require  full Loan  repayment  as described in
section 10.3 above or, at its discretion, the Department may permit repayment of
Loan proceeds using the following criteria:

                  (a) FORGIVABLE  LOANS. If the CEBA award is a Forgivable Loan,
interest buy-down or interest  subsidy,  the Department may require repayment of
Loan proceeds as follows:

                  A  three-year  $200,000  forgivable  loan.  There  will  be no
principal or interest payments or accruals for years one, two, and three. At the
project  completion  date, if the Business has fulfilled at least 50% of its job
creation/retention (if applicable) and wage obligation,  $2,000 will be forgiven
for each new FTE job  created/retained  (if  applicable)  and  maintained for at
least ninety days past the project completion date. Any balance (shortfall) will
be amortized over a two year period  (beginning at the project  completion date)
at six (6%)  percent  interest  per annum  with  equal  monthly  payments,  and,
interest  will be  charged  at six (6%)  percent  per annum from the date of the
first CEBA  disbursement on the shortfall  amount with that amount accrued as of
the project completion date being due and payable  immediately.  If the Business
has a current loan balance,  the shortfall  balance and existing balance will be
combined to reflect a single monthly payment.

                  (b) CONVENTIONAL  LOANS. If the Business  received a Loan at a
rate  that  is  below  the  annual  interest  rate  for  non-compliance  as  set
periodically by the IDED Board,  the remaining  principal amount of the Loan may
be prorated between the percentage of FTE Jobs  created/retained (if applicable)
at the Project Wage Threshold and the percentage of the shortfall. The shortfall
principal  portion  may be  amortized  over  the  remaining  term  of the  Loan,
beginning  at the  Project  Completion  Date,  at an  annual  interest  rate  as
determined  periodically by the IDED Board.  Interest will be charged  beginning
from the date Loan  proceeds  were  disbursed to the  Community on behalf of the
Business; interest accrued from this date will be due immediately.  The pro rata
portion of the Loan  associated  with the percentage of FTE Jobs created will be
amortized at the original rate and term.

                                   ARTICLE XI
                             DISBURSEMENT PROCEDURES

         11.1 REQUEST FOR REIMBURSEMENT.  All disbursements of proceeds shall be
subject to receipt by the Department of requests for  disbursement  submitted by
the Community. Requests for disbursement shall be in form and content acceptable
to the Department.

                                   ARTICLE XII
                          GENERAL TERMS AND PROVISIONS

         12.1  BINDING  EFFECT.  This Loan  Agreement  shall be binding upon and
shall inure to the benefit of the  Department,  Community and Business and their
respective  heirs,   successors,   legal   representatives   and  assigns.   The
obligations, covenants, warranties, acknowledgments, waivers, agreements, terms,
provisions and conditions of this Loan Agreement  shall be jointly and severally
enforceable against the parties to this Loan Agreement.

         12.2 COMPLIANCE WITH LAWS AND  REGULATIONS.  The Community and Business
shall comply with all applicable  State and Federal laws,  rules  (including the
administrative  rules adopted by the  Department for the CEBA Program - 261 Iowa
Administrative Code, chapter 53), ordinances, regulations and orders.

         12.3 TERMINATION FOR CONVENIENCE.  In addition to termination due to an
Event of Default or  non-appropriation of CEBA funds, this Loan Agreement may be
terminated in whole, or in part, when the Department, Community and the Business
agree that the continuation of the Project would not produce  beneficial results
commensurate  with  the  future  disbursement  of Loan  funds.  The  Department,
Community  and  Business  shall  agree  upon  the  termination  conditions.  The
Community and Business shall not incur new obligations  after the effective date
of the  termination  and shall  cancel  as many  outstanding  obligations  as is
reasonably  possible.  The Department will allow full credit to the Community or
the  Business  for  the  Department  share  of  the  non-cancelable  obligations
allowable  under the Loan  Agreement  and properly  incurred by the Community or
Business prior to termination.

         12.4  PROCEDURE UPON  TERMINATION.  If the Loan Agreement is terminated
for  convenience,  an Event  of  Default  or  non-appropriation  of CEBA  funds,
disbursements  shall  be  allowed  for  costs  up to  the  date  of  termination
determined by the Department to be in compliance with this Loan  Agreement.  The
Community and the Business shall return to the Department all unencumbered  Loan
proceeds  within  one (1) week of receipt  of Notice of  Termination.  Any costs
previously  paid by the  Department  which  are  subsequently  determined  to be
unallowable  through audit,  monitoring or closeout procedures shall be returned
to the Department within thirty (30) days of the disallowance.

         12.5  SURVIVAL OF AGREEMENT.  If any portion of this Loan  Agreement is
held  to  be  invalid  or  unenforceable,  the  remainder  shall  be  valid  and
enforceable.  The provisions of this Loan Agreement  shall survive the execution
of all instruments  herein  mentioned and shall continue in full force until the
Loan is paid in full.

         12.6 GOVERNING  LAW. This Loan  Agreement and all Security  Instruments
shall be  interpreted  in accordance  with the law of the State of Iowa, and any
action  relating  to the Loan  Agreement  shall  only be  commenced  in the Iowa
District  Court for Polk  County or the  United  States  District  Court for the
Southern District of Iowa.

         12.7 MODIFICATION. Neither this Loan Agreement nor any provision of the
Security  Instruments  executed in  connection  with this Loan  Agreement may be
changed, waived, discharged or terminated orally, but only by a written document
signed by the party against whom enforcement of the change, waiver, discharge or
termination is sought.

         12.8  NOTICES.  Whenever  this Loan  Agreement  requires or permits any
notice or  written  request  by one party to  another,  it shall be in  writing,
enclosed in an  envelope,  addressed  to the party to be notified at the address
heretofore  stated (or at such  other  address  as may have been  designated  by
written  notice),  properly  stamped,  sealed and  deposited in the United State
Mail. Any such notice given hereunder shall be deemed delivered upon the earlier
of actual  receipt or two (2) business days after  posting.  The  Department may
rely on the  addresses of the Business and Community  set forth  heretofore,  as
modified  from  time to time,  as  being  the  addresses  of the  Community  and
Business.  Whenever  any Notice of Default is required by Article 10 to be given
by Department to Business  under this Loan  agreement,  a copy of such Notice of
Default  shall also be given by Department to the Community at the same time and
in the manner herein required.

         12.9 INVESTMENT OF LOAN FUNDS.  Temporarily  idle Loan proceeds held by
the Community or Business may be invested  provided such investments shall be in
accordance with State law, shall be controlled by the Community or Business, and
any interest  accrued  shall be credited to and expended on the Project prior to
the expenditure of other Loan proceeds.  All Loan proceeds remaining,  including
accrued interest,  after all allowable Project costs have been paid or obligated
shall be returned to the  Department  within  thirty (30) days after the Project
Completion Date.

         12.10.  WAIVERS.  No waiver by the Department of any default  hereunder
shall  operate as a waiver of any other  default  or of the same  default on any
future occasion.  No delay on the part of the Department in exercising any right
or remedy  hereunder  shall  operate as a waiver  thereof.  No single or partial
exercise of any right or remedy by the Department shall preclude future exercise
thereof or the exercise of any other right or remedy.

         12.11  LIMITATION.  It is agreed between the Community and the Business
that the Department shall not, under any circumstances, be obligated financially
under this Loan Agreement except to disburse funds according to the terms of the
Agreement.

         12.12 ENFORCEMENT EXPENSES.  The Business shall pay upon demand any and
all  reasonable  fees and  expenses  of the  Community  and/or  the  Department,
including  the fees and  expenses of their  attorneys,  experts  and agents,  in
connection  with  the  exercise  or  enforcement  of any of  the  rights  of the
Department and/or Community under the Loan Agreement.

         12.13 HEADINGS. The headings in this Loan Agreement are intended solely
for  convenience of reference shall be given no effect in the  construction  and
interpretation of this Loan Agreement.

         12.14 FINAL AUTHORITY. The Department shall have the final authority to
assess  whether the Business has met its Job  Attainment  Obligation and whether
the  Community  and  Business  have  otherwise  complied  with the terms of this
Agreement.

         12.15   INTEGRATION.   This  Loan   Agreement   contains   the   entire
understanding  between  the  Community,  Business  and  the  Department  and any
representations that may have been made before or after the signing of this Loan
Agreement,  which are not  contained  herein,  are  non-binding,  void and of no
effect.  None of the  parties  have relied on any such prior  representation  in
entering into this Loan Agreement.

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

         IN WITNESS  WHEREOF,  the parties  have  executed  this Loan  Agreement
effective as of the Award Date first stated.


COMMUNITY:                              COMMUNITY:
Attorney for City of Jefferson          City of  Jefferson
Approved  as to form  and
content.


BY: /s/ Robert A. Schwarzkopf           BY:  /s/ Charles Davis
    ----------------------------------      ------------------------------------
                                            Charles Davis, Mayor
                                            City Hall, 220 North Chestnut Street
                                            Jefferson, Iowa  50129

IOWA DEPARTMENT OF ECONOMIC
DEVELOPMENT:


BY:
     ---------------------------------
     Michael E. Miller, Chief
     Bureau of Business Finance


BUSINESS:
Parker Industries, Inc.


BY:   /s/ Steven R. Lind
     ---------------------------------
     Steven R. Lind, President
     900 East Highway 30
     Jefferson, Iowa 50129

<PAGE>

                                                             ATTACHMENT B2
                                                             PROMISSORY NOTE -
                                                             COMMUNITY

                     IOWA DEPARTMENT OF ECONOMIC DEVELOPMENT
                                  CEBA PROGRAM

                                 PROMISSORY NOTE

                             Loan Number: 99-CEBA-23

                                                          Des Moines, Iowa
                                                          -----------------
                                                          (City and State)

$300,000                                                  February 18, 1999
- --------                                                  -----------------
                                                          (Date)

         FOR VALUE  RECEIVED,  the  undersigned  (hereafter  called the "Maker")
promises  to pay to the  order  of the  State of Iowa,  Department  of  Economic
Development  (hereafter  called  the  "Payee"),  at its office at 200 East Grand
Avenue, Des Moines, Iowa 50309, or upon notice to the Maker, at such other place
as may be  designated  from time to time by the  holder,  the  principal  sum of
$300,000, to be paid as follows:

A $100,000 loan at (0%) interest to be paid as follows:

         60 equal monthly payments of $1,666.67 beginning on the last day of the
third  month  from the date CEBA funds are  disbursed.  Final  payment  may vary
depending upon dates payments are received. Such payments shall be applied first
on interest then due and the remainder on principal.

And, a  $200,000 forgivable  loan at  six (6%)  percent interest  to be  paid as
follows:

         A three-year  $200,000  forgivable  loan. There will be no principal or
interest  payments or accruals  for years one,  two,  and three.  At the project
completion  date,  if the  Business  has  fulfilled  at  least  50%  of its  job
creation/retention (if applicable) and wage obligation,  $2,000 will be forgiven
for each new FTE job  created/retained  (if  applicable)  and  maintained for at
least ninety days past the project completion date. Any balance (shortfall) will
be amortized over a two year period  (beginning at the project  completion date)
at six (6%)  percent  interest  per annum  with  equal  monthly  payments,  and,
interest  will be  charged  at six (6%)  percent  per annum from the date of the
first CEBA  disbursement on the shortfall  amount with that amount accrued as of
the project completion date being due and payable  immediately.  If the Business
has a current loan balance,  the shortfall  balance and existing balance will be
combined to reflect a single monthly payment.

         1.  Payments.  All  payments  under the Note  shall be  applied in this
order: (1) to interest, and (2) to principal.

         2. Loan Agreement;  Acceleration  Upon Default.  This Note is issued by
Maker to evidence an obligation  to repay a loan  according to the terms of Loan
Agreement  #99-CEBA-23  of February 18, 1999 between the Payee and Maker and, at
the election of the holder without notice to the Maker, shall become immediately
due and  payable  in the  event  any  payment  is not made  when due or upon the
occurrence of any event of default under the terms of the Loan Agreement.

         3.  Limitation.  Maker's  liability  for the  repayment of this Note is
limited to those amounts Maker  collects  through its good faith  enforcement of
security  interest which Maker represents that it has obtained or will obtain as
required by the above-referenced  Loan Agreement.  Upon exhaustion of its rights
in the  collateral  granted by such  security  interest,  the Maker will have no
liability  for any  deficiency  owing  Payee  under this  Note.  Nothing in this
paragraph  shall limit the  recovery of  principal  and interest by Payee in the
event of Maker's fraud,  negligence,  or gross  mismanagement in the application
for, or use of, sums loaned under the above-referenced Loan Agreement.

         4.  Reduced  Amount.  In the event the Maker fails to  requisition  and
spend the full face amount of the Note as set out above, then the amount of each
installment payment shall be reduced accordingly in equal amounts.

         5. Security.  Payment of this Note is secured by Corporate Guaranty and
Blanket UCC-1 and the holder is entitled to the benefits of the security therein
described.

         In case of a decline in the market value of the collateral, or any part
thereof,  the Payee may demand that  additional  collateral of quality and value
satisfactory to holder be delivered, pledged and transferred to holder.

         6. Waiver. No delay or omission on the part of the holder in exercising
any right  under  this Note  shall  operate  as a waiver of that right or of any
other right under this Note. A waiver on any one occasion shall not be construed
as a bar to or waiver of any right and/or remedy on any future occasion.

         7. Waiver of Protest.  Each maker,  surety,  endorser and  guarantor of
this Note, expressly waives presentment,  protest, demand, notice of dishonor or
default, and notice of any kind with respect to this Note.

         8.  Costs of  Collection.  The Maker  will pay on  demand  all costs of
collection,  maintenance  of collateral,  legal  expenses,  and attorneys'  fees
incurred  or paid by the  holder in  collecting  and/or  enforcing  this Note on
default.

         9.  Meaning  of Terms.  As used in this Note,  "holder"  shall mean the
Payee or other  endorsee of this Note, who is in possession of it, or the bearer
hereof,  if this Note is at the time  payable to the  bearer.  The word  "Maker"
shall  mean  each of the  undersigned.  If this  Note is signed by more than one
person, it shall be the joint and several liabilities of such persons.

         10.  Miscellaneous.  The captions of paragraphs in this Promissory Note
are for the  convenience  of  reference  only,  shall  not  define  or limit the
provisions hereof and shall not have any legal or other significance whatsoever.

ADDRESS:                                 City of Jefferson:
City Hall, 220 North Chestnut Street
Jefferson, Iowa 50129

                                         BY:   /s/ Charles Davis
                                               ---------------------------------
                                               Charles Davis, Mayor


                                        ATTEST: /s/ Diane M. Kennedy
                                                --------------------------------
                                                (Signature of City Clerk)



                                                              ATTACHMENT B1
                                                              PROMISSORY NOTE -
                                                              BUSINESS

                     IOWA DEPARTMENT OF ECONOMIC DEVELOPMENT
                                  CEBA PROGRAM

                                 PROMISSORY NOTE

                             Loan Number: 99-CEBA-23

                                                         Des Moines, Iowa
                                                         -----------------
                                                         (City and State)

$300,000                                                 February 18, 1999
- --------                                                 -----------------
                                                         (Date)

         FOR VALUE  RECEIVED,  the  undersigned  (hereafter  called the "Maker")
promises  to pay to the  order  of  City  of  Jefferson  (hereafter  called  the
"Payee"), at its office at City Hall, 220 North Chestnut Street, Jefferson, Iowa
50129,  or upon notice to the Maker,  at such other  place as may be  designated
from time to time by the holder,  the principal  sum of $300,000,  to be paid as
follows:

A $100,000 loan at (0%) interest to be paid as follows:

         60 equal monthly payments of $1,666.67 beginning on the last day of the
third  month  from the date CEBA funds are  disbursed.  Final  payment  may vary
depending upon dates payments are received. Such payments shall be applied first
on interest then due and the remainder on principal.

And, a $200,000  forgivable loan  at six  (6%) percent  interest to  be paid  as
follows:

         A three-year  $200,000 forgivable  loan.  There will be no principal or
interest  payments or accruals  for years one,  two,  and three.  At the project
completion  date,  if the  Business  has  fulfilled  at  least  50%  of its  job
creation/retention (if applicable) and wage obligation,  $2,000 will be forgiven
for each new FTE job  created/retained  (if  applicable)  and  maintained for at
least ninety days past the project completion date. Any balance (shortfall) will
be amortized over a two year period  (beginning at the project  completion date)
at six (6%)  percent  interest  per annum  with  equal  monthly  payments,  and,
interest  will be  charged  at six (6%)  percent  per annum from the date of the
first CEBA  disbursement on the shortfall  amount with that amount accrued as of
the project completion date being due and payable  immediately.  If the Business
has a current loan balance,  the shortfall  balance and existing balance will be
combined to reflect a single monthly payment.

         1.  Payments.  All  payments  under the Note  shall be  applied in this
order: (1) to interest, and (2) to principal.

         2. Loan Agreement;  Acceleration  Upon Default.  This Note is issued by
Maker to evidence an obligation  to repay a loan  according to the terms of Loan
Agreement  #99-CEBA-23  of February 18, 1999 between the Payee and Maker and, at
the election of the holder without notice to the Maker, shall become immediately
due and  payable  in the  event  any  payment  is not made  when due or upon the
occurrence of any event of default under the terms of the Loan Agreement.

         3.  Reduced  Amount.  In the event the Maker fails to  requisition  and
spend the full face amount of the Note as set out above, then the amount of each
installment payment shall be reduced accordingly in equal amounts.

         4. Security.  Payment of this Note is secured by Corporate Guaranty and
Blanket UCC-1 and the holder is entitled to the benefits of the security therein
described.

         In case of a decline in the market value of the collateral, or any part
thereof,  the Payee may demand that  additional  collateral of quality and value
satisfactory to holder be delivered, pledged and transferred to holder.

         5. Waiver. No delay or omission on the part of the holder in exercising
any right  under  this Note  shall  operate  as a waiver of that right or of any
other right under this Note. A waiver on any one occasion shall not be construed
as a bar to or waiver of any right and/or remedy on any future occasion.

         6. Waiver of Protest.  Each maker,  surety,  endorser and  guarantor of
this Note, expressly waives presentment,  protest, demand, notice of dishonor or
default, and notice of any kind with respect to this Note.

         7.  Costs of  Collection.  The Maker  will pay on  demand  all costs of
collection,  maintenance  of collateral,  legal  expenses,  and attorneys'  fees
incurred  or paid by the  holder in  collecting  and/or  enforcing  this Note on
default.

<PAGE>

         8.  Meaning  of Terms.  As used in this Note,  "holder"  shall mean the
Payee or other  endorsee of this Note, who is in possession of it, or the bearer
hereof,  if this Note is at the time  payable to the  bearer.  The word  "Maker"
shall  mean  each of the  undersigned.  If this  Note is signed by more than one
person, it shall be the joint and several liabilities of such persons.

         9.  Miscellaneous.  The captions of paragraphs in this  Promissory Note
are for the  convenience  of  reference  only,  shall  not  define  or limit the
provisions hereof and shall not have any legal or other significance whatsoever.

ADDRESS:                              Parker Industries, Inc.:
900 East Highway 30
Jefferson, Iowa 50129
                                      BY:   /s/ Steven R. Lind
                                            ------------------------------------
                                            Steven R. Lind, President


                                     ATTEST:  /s/ Thaddeus P. Vannice
                                             -----------------------------------
                                             (Signature of Secretary)



                                 LEASE AGREEMENT

         THIS  LEASE  AGREEMENT  ("Lease")  is made as of March  5,  1999 by and
between  Greene  County  Development   Corporation,   an  economic   development
corporation  formed  pursuant to I.C.A.  chapter 496B,  ("Landlord")  and Parker
Acquisition Sub, Inc., an Iowa corporation ("Tenant").

                                   WITNESSETH:

         Landlord  for  and  in  consideration  of  the  rents,   covenants  and
agreements  hereinafter reserved,  mentioned and contained on the part of Tenant
to be paid, kept,  observed and performed,  has leased,  rented, let and demised
and by these presents does lease,  rent, let and demise unto Tenant,  and Tenant
does hereby take and hire,  upon and subject to the  conditions  or  limitations
hereinafter expressed, that parcel of improved land owned in fee by Landlord and
situated in the City of Jefferson,  County of Greene,  Iowa situated at 900 East
Highway 30, Jefferson,  Iowa 50129 and more particularly  described on Exhibit A
attached hereto and made a part hereof ("Demised Premises").

         1. Term of Lease.  The term of this lease  shall  commence  on the date
hereof ("Commencement Date") and shall end ten (10) years after the Commencement
Date ("Termination Date") unless terminated sooner pursuant to the provisions of
this Lease.

         2. Improvements. Tenant, at its sole cost and expense, is authorized to
maintain and/or construct manufacturing and/or administrative  facilities on the
Demised  Premises  ("Facilities").  The Demised Premises shall be graded and the
Facilities  shall be maintained  and/or  constructed  in  accordance  with sound
engineering standards.

         3. Rent.  Tenant  agrees to pay Landlord  rent on an annual  basis,  in
advance due on the  anniversary  of the  Commencement  Date in each year (or the
next  business  day if such day is a weekend  or holiday  observed  by the state
government of Iowa), in an amount as follows:

            Year                                        Amount Due
            ----                                        ----------

              1 (Commencement Date)                             $0

              2                                                 $0

              3                                            $67,405

              4                                            $67,405

              5                                            $67,405

              6                                            $67,405

              7                                            $67,405

              8                                           $175,000

              9                                           $175,000

             10                                           $175,000


         4. Use of the Demised Premises. The Demised Premises and the Facilities
currently  existing  and/or  hereafter to be erected  thereon by Tenant shall be
used  primarily  as  a  manufacturing  facility  for  the  manufacture  and  the
warehousing  of finished  products  prior to  shipment.  Tenant shall not use or
occupy the  Demised  Premises  or  knowingly  permit them to be used or occupied
contrary to any statute,  rule,  order,  ordinance,  requirement  or  regulation
applicable  thereto,  or in any manner which would  violate any  certificate  of
occupancy  affecting  the same,  or which would cause the value or usefulness of
the Demised  Premises or any portion thereof  substantially to diminish or which
would  constitute a public or private  nuisance or waste; and Tenant agrees that
it will  promptly upon  discovery of any such use,  take all necessary  steps to
discontinue such use.

         5. Real Estate Taxes. All real estate taxes on the Demised Premises and
the Facilities shall be paid by Tenant.

         6.  Insurance.  At all times  during  the term of this Lease the Tenant
shall  maintain  and keep in force  liability  insurance  coverage  which  names
Landlord as an  additional  insured.  Tenant  shall from time to time deliver to
Landlord certificates of insurance evidencing such coverage.  Policies providing
such  insurance  coverage shall prevent  termination by the insurers  without at
least ten days prior written notice to Landlord.

         7. Utilities. Landlord shall have no obligation to provide utilities to
the Demised  Premises.  However,  if Tenant  extends any utility  service to the
Demised  Premises,  it shall not remove them on or before the  Termination  Date
without the prior written consent of Landlord.  Tenant shall pay the cost of any
and all utilities.

         8. Compliance with Law.  Throughout the term of this Lease, at Tenant's
sole  cost and  expense,  Tenant  shall  promptly  correct  upon  discovery  any
violations and shall  promptly  comply with any and all present and future laws,
ordinances,  orders, rules,  regulations and requirements of all federal,  state
and municipal governments and appropriate departments,  commissions,  boards and
officers  thereof  applicable to the Demised  Premises or any part thereof or to
the operations of Tenant thereon.

         9. Mechanic's Liens and Other Liens.  Tenant shall not suffer or permit
any  mechanics'  liens to be filed  against  the  Demised  Premises  or any part
thereof by reason of work, labor,  services and materials supplied or claimed to
have been supplied to Tenant.  If any such mechanics' liens shall at any time be
filed against the Demised  Premises or any part thereof,  Tenant shall cause the
same to be  discharged  of record within sixty days after the date of filing the
same, or shall deliver to Landlord a bond  satisfactory  to Landlord  protecting
Landlord against such lien if Tenant decides to contest any such lien.

         10.  Defaults.  If  default  shall be made by  Tenant  or  Landlord  by
operation of law or otherwise under the provisions hereof in keeping,  observing
or performing any of the terms  contained in this Lease,  and such default shall
continue for a period of thirty days after written  notice  thereof given by the
non-defaulting   party,  such  non-defaulting  party  may  give  notice  to  the
defaulting  party  specifying  such  default and stating that this Lease and the
term hereby demised shall expire and terminate on a date to be specified on such
notice.  Upon any expiration or termination of this Lease, Tenant shall quit and
peaceably  surrender  the  Demised  Premises to  Landlord  and shall  remove all
improvements placed thereon by Tenant.

         11.  Purchase  Option.   (a)  From  the  Commencement  Date  until  the
Termination Date, Tenant (or at the sole discretion of Tenant,  any affiliate of
Tenant)  shall  have the  right to  purchase  the  Premises,  together  with the
Facilities thereon,  all of Landlord's interest in, to and under this Lease, and
all of  Landlord's  interest  in, to and under that  certain  Option to purchase
Parcel B of Lot 6 of the SE1/4 of Section 32,  Township 84 North,  Range 30 West
of the 5th P.M.,  Greene County,  Iowa, all for a purchase price as set forth in
paragraph  11(b) below,  and on the terms and  conditions set forth in paragraph
11(c) below.  Tenant shall  exercise such right by delivery of written notice to
Landlord.

         (b) The purchase price (the "Purchase Price") payable by Tenant for the
interests of Landlord, as aforesaid, shall be as follows:

             During Year                             Purchase Price
             -----------                             --------------

                  1                                        $750,000

                  2                                        $750,000

                  3                                        $682,595

                  4                                        $649,320

                  5                                        $614,381

                  6                                        $577,695

                  7                                        $539,175

                  8                                 Appraised Value

                  9                                 Appraised Value

                 10                                Appraised Value;

where the term "Appraised  Value" shall mean the fair market value as determined
by an independent real estate appraiser  selected to the mutual  satisfaction of
Landlord and Tenant.

         (c) If Tenant elects to exercise the purchase  option set forth in this
Section 11, the closing of the  transaction  shall take place at a time and date
not less  than  thirty  (30) days and not more than 120 days  after  receipt  by
Landlord of Tenant's notice of such exercise,  at the business office of Tenant.
At the  closing,  Landlord  shall  deliver  to Tenant a general  warranty  deed,
together with  appropriate  resolutions  confirming the authority of Landlord to
make the  contemplated  conveyance to Tenant.  At the closing,  the Tenant shall
deliver to Landlord  by  cashier's  check or bank  certified  check,  or by wire
transfer of funds,  the Purchase Price.  Upon conveyance of title and payment of
the Purchase Price, Tenant's obligations to Landlord and Landlord's  obligations
to Tenant  under this Lease  shall  terminate.  Any  assignment  or  transfer of
Landlord's  interest in this Lease and/or the Premises shall be conditioned upon
and subject to this  purchase  option.  Any  assignment  or transfer of Tenant's
rights under this Lease shall include, without any specific language,  action or
deed, the assignment or transfer of this purchase option.

         12.  Assignment.  Tenant shall not assign this Lease either in whole or
in part or sublet the Demised  Premises  without  first  obtaining,  in each and
every instance,  Landlord's consent thereto in writing,  which consent shall not
be unreasonably withheld.  Notwithstanding the foregoing, Tenant may assign this
Lease in whole or in part to any  affiliate  of Tenant  upon  notice to Landlord
within thirty (30) days of such assignment.

         13.  Entry by  Landlord.  Tenant  agrees  to  permit  Landlord  and the
authorized  representatives  of Landlord to enter upon the Demised Premises upon
prior notice at all  reasonable  times during  ordinary  business  hours for the
purpose of inspecting the same.

         14.  Indemnification.  Tenant  agrees to  indemnify  and save  Landlord
harmless  against  and from any and all  claims by or on behalf of any  persons,
entity or governmental  agency arising from the conduct,  management or from any
work or  thing  whatsoever  done in or about  the  Demised  Premises,  including
without limitation any work or thing resulting in environmental contamination of
the Demised Premises unless caused by Landlord's negligence.

         15. Net Lease.  Except as specifically  stated in this Lease,  Landlord
shall  have no  obligation  to pay any costs or  expenses  with  respect  to the
Demised Premises during the term of this Lease.

         16.  Notices.  All notices  which are required or  permitted  under the
terms of this Lease shall be given by either party to the other in writing.  All
such notices shall be sent by United States mail,  postage prepaid,  or personal
delivery to the addresses set forth below the  signatures of the parties to this
Lease.

         17. Binding  Effect.  Covenants and agreements  herein  contained shall
bind and inure to the benefit of Landlord and its  successors  and assigns,  and
Tenant and its permitted successors and assigns.

         18.  Captions.  The  captions  of this  Lease  are for  convenience  in
reference  only and in no way define,  limit or describe  the scope or intent of
this Lease, nor in any way affect this Lease.

         19. Relation.  This Lease does not create the relationship of principal
and agent or of  partnership  or joint  venture  or of any  association  between
Landlord and Tenant,  the sole  relationship  between  Landlord and Tenant being
that of Landlord and Tenant.

         20. Entire Agreement; Modification. All preliminary and contemporaneous
negotiations are merged into and incorporated in this Lease. This Lease contains
the entire agreement between the parties and shall not be modified or amended in
any manner except by an instrument in writing executed by the parties hereto.

                     [remainder of page intentionally blank]

<PAGE>

         IN WITNESS WHEREOF, each of the parties hereto has caused this Lease to
be executed as of the day and year first above written.

                                       Landlord:

                                       GREENE COUNTY DEVELOPMENT
                                       CORPORATION


                                       By:   /s/ Michael F. Mumma
                                            ------------------------------------
                                            Name:  Michael F. Mumma
                                            Title: Vice President


                                       Tenant:

                                       PARKER ACQUISITION SUB, INC.


                                       By:  /s/ Steven R. Lind
                                            ------------------------------------
                                            Name:  Steven R. Lind
                                            Title:  President

<PAGE>

                                                                   Exhibit A
                                                                   ---------

                                Demised Premises
                                ----------------

Lots 1 and 2 in the SE1/4 of Section 32, Township 84 North, Range 30 West of the
5th P.M.,  Greene County,  Iowa and Parcel A (except Lot 1 of Parcel A) of Lot 6
of the E1/2 of the SE1/4 of Section 32, Township 84 North,  Range 30 West of the
5th P.M., Greene County, Iowa.




                          NON-INTEREST BEARING SECURED
                                 PROMISSORY NOTE

$3,254,395                                                    Cedar Falls, Iowa
                                                                  March 5, 1999

         FOR VALUE RECEIVED, the undersigned,  PARKER ACQUISITION SUB., INC., an
Iowa corporation ("Maker"), hereby promises to pay to DWZM, INC., a Pennsylvania
corporation or to its permitted assigns ("Payee"),  at The Triad Building,  2200
Renaissance  Boulevard,  Suite 150, King of Prussia,  Pennsylvania  19406, or at
such other place as Payee may  designate in writing,  the principal sum of Three
Million, Two Hundred Fifty-four  Thousand,  Three Hundred Ninety-five and no/100
Dollars ($3,254,395.00).

         This Note is delivered pursuant to an Asset Purchase Agreement dated as
of March 3, 1999 between Maker and its parent, Top Air  Manufacturing,  Inc., an
Iowa corporation, on the one hand, and Payee and its parent, Owosso Corporation,
a Pennsylvania  corporation,  on the other hand (the  "Agreement").  Payments of
principal shall be paid by the  undersigned to Payee in monthly  installments as
and to the extent the accounts  receivable acquired by Maker from Payee pursuant
to the  Agreement  (the  "Accounts  Receivable")  are  reduced  (other  than  by
write-off)  in an  amount  equal  to the  amount  of any such  reduction  in the
immediately  preceding calendar month payable on the 15th day of each succeeding
month  commencing April 15, 1999, until the entire principal amount hereof shall
have been paid; provided, however, that irrespective of the amounts collected on
said accounts  receivable  by such date,  Maker shall have paid to Payee no less
than One Million, Nine Hundred Fifty-two Thousand,  Six Hundred Thirty-seven and
no/100  Dollars  ($1,952,637.00)  of principal by November 15, 1999, Two Million
Seven Hundred  Sixty-six  Thousand,  Two Hundred  Thirty-six  and no/100 Dollars
($2,766,236.00)  of principal by November 15, 2000,  with a final payment of all
then outstanding principal (if any) of this Note due on February 15, 2001.

         No interest shall accrue on this Note, provided,  however,  that if any
portion of this Note is not paid when due, the principal  outstanding  hereunder
shall, in Payee's discretion and without waiving any of the Payee's other rights
and remedies,  bear  interest at a rate equal to the lesser of eighteen  percent
(18%) per annum or the maximum rate  allowable  under law (the "Default  Rate"),
said amount to be payable on demand.  In the event any  installment of principal
is not paid when due and such failure is not cured within  forty-five  (45) days
of written  demand from  Payee,  Payee  shall have the right to  accelerate  the
principal  of this  Note by  written  notice of such  acceleration  to Maker and
thereafter  Payee  shall be  entitled  to recover  from Maker the full amount of
principal then outstanding  hereunder  together with interest due at the Default
Rate until paid.

         This Note is the note referred to in Section  2.2(a)(ii) and is secured
by a first priority security  interest in certain accounts  receivable of Maker.
Maker shall have the right to set off any and all amounts due hereunder  against
any amounts due to Maker pursuant to Section 12.8 of the Agreement in the manner
provided in said Agreement.

         The undersigned, on demand from Payee, shall pay to Payee all costs and
expenses  incurred or paid by Payee for any reason in enforcing or attempting to
enforce any of the Payee's  rights and  remedies  in  connection  with the Note,
including   representation   in  any  insolvency,   receivership  or  bankruptcy
proceedings and including, but not limited to, all attorneys' fees and expenses,
whether or not legal  proceedings  relating  to this Note are  commenced.  Until
Payee is fully paid,  such costs and expenses  shall be added to the amounts due
under this Note,  shall be  payable  on demand  and shall bear  interest  at the
Default Rate.

         The undersigned hereby waives presentment,  demand for payment,  notice
of non-payment,  protests,  notice or protests, notice of dishonor and all other
notices in connection with this Note.

         No waiver by Payee of any obligation of the undersigned under this Note
shall be deemed to have been made unless such waiver is in writing and signed by
Payee.  Payee  reserves  the right to waive or refrain from waiving any right or
remedy under this Note.  No delay or omission on the part of Payee in exercising
any right or remedy  under this Note shall  operate as a waiver of such right or
remedy or of any other  right or remedy  under  this  Note.  A waiver on any one
occasion  shall not be  construed  as a bar to or  waiver  of any such  right or
remedy on any future occasion.

         If  any  court  of  competent  jurisdiction  determines  any  provision
hereunder to be prohibited or invalid or  unenforceable  under  applicable  law,
such  provision  shall be  ineffective  only to the extent of such  prohibition,
invalidity or unenforceability  without  prohibiting,  invalidating or rendering
unenforceable the remainder of the provisions of this Note.

         This Note shall be governed  by the  internal  substantive  laws of the
State  of  Iowa   without   regard   to  its   conflict-of-law   provisions   or
interpretations.  Any  litigation  arising  under this Note or  relating  to the
obligations of the undersigned or any guarantor,  surety or endorser of or under
this Note  shall be subject to the  jurisdiction  of any state or federal  court
located in the State of Iowa as Payee may designate. Any of the foregoing courts
shall have personal jurisdiction over the undersigned and any guarantor,  surety
or endorser of this Note and  jurisdiction  over matters arising under or out of
the obligations of the undersigned under this Note. This Note may be assigned by
DWZM,  Inc.  to any  affiliate  of DWZM,  Inc.,  including  its  parent,  Owosso
Corporation,  and may be pledged as security to any bank lending funds to Owosso
Corporation.

                                STATUTORY NOTICE

         THE  OBLIGATIONS  OF THE  UNDERSIGNED  ARE  SUBJECT  TO THE  TERMS  AND
CONDITIONS OF A CERTAIN  ASSET  PURCHASE  AGREEMENT  DATED MARCH 3, 1999 BETWEEN
MAKER  AND  ITS  AFOREMENTIONED  PARENT,  ON THE  ONE  HAND  AND  PAYEE  AND ITS
AFOREMENTIONED  PARENT,  ON THE OTHER HAND,  INCLUDING WITHOUT  LIMITATION,  THE
RIGHT OF SET OFF AGAINST AMOUNTS OTHERWISE PAYABLE UNDER THIS NOTE IN THE MANNER
PROVIDED IN SAID AGREEMENT.

         ORAL  AGREEMENTS  OR  COMMITMENTS  TO LOAN MONEY,  EXTEND  CREDIT OR TO
FORBEAR FROM ENFORCING PAYMENT OF A DEBT,  INCLUDING PROMISES TO EXTEND OR RENEW
SUCH DEBT, ARE NOT ENFORCEABLE. TO PROTECT PAYEE AND MAKER FROM MISUNDERSTANDING
OR  DISAPPOINTMENT,  ANY AGREEMENTS  PAYEE AND MAKER HAVE REACHED  COVERING SUCH
MATTERS  ARE  CONTAINED  IN THIS  WRITING  AND IN THE OTHER  WRITTEN  AGREEMENTS
REFERENCED  HEREIN,  WHICH  IS  THE  COMPLETE  AND  EXCLUSIVE  STATEMENT  OF THE
AGREEMENT BETWEEN PAYEE AND THE UNDERSIGNED, EXCEPT AS PAYEE AND THE UNDERSIGNED
MAY LATER AGREE TO MODIFY, IN WRITING.

         Signed and delivered in the State of Iowa by the  undersigned as of the
date first above written.


                                     PARKER ACQUISITION SUB, INC.,
                                     An Iowa corporation


                                     By:  /s/ Steven R. Lind
                                         ---------------------------------------
                                     Title:  President
                                           -------------------------------------



                              EMPLOYMENT AGREEMENT


         Employment Agreement ("Agreement"), dated January 15, 1997, between Top
Air  Manufacturing,  Inc., an Iowa corporation (the "Company"),  and Thaddeus P.
Vannice, Sr. ("Employee").

                                   WITNESSETH:

         WHEREAS, Employee has great expertise in the Company's business;

         WHEREAS,  Employee's  use of such  expertise  in  competition  with the
Company would have an extremely detrimental effect on the Company and Employee;

         WHEREAS, the Company desires to obtain the services of Employee, as its
employee; and

         WHEREAS,  in  consideration  of  Employee's  agreement  to provide such
services to company, Company has agreed to assure to Employee at least three (3)
full years of retention in such capacity.

         NOW, THEREFORE, the parties hereto agree as follows:

         1. Recitals. Each of the above recitals is incorporated herein and made
a part hereof.

         2. Employment. The Company employs Employee, as Chief Financial Officer
of Company,  and Employee  accepts such employment by the Company upon the terms
and conditions set forth in this Agreement, for the period beginning on the date
of this  Agreement  and ending upon  termination  pursuant to paragraph 5 hereof
(the "Employment  Period"),  to perform such duties as are customarily performed
by the Chief Financial Officer.  In connection  herewith,  no later than January
22, 1997,  Employee shall be elected by the board of directors of the Company to
the position of Chief Financial Officer of the Company.

         3.  Compensation.  During the Employment  Period,  the Company will pay
Employee  base  compensation  at the rate of  $75,000  per  annum  which  may be
increased,  but not decreased,  by the Company in accordance  with its customary
salary review and adjustment policies.  In addition,  Employee shall be entitled
to (i) receive during the Employment Period bonus compensation  (whether payable
in cash,  options to acquire  common stock of the Company or common stock of the
Company) in accordance with the Company's bonus policy; provided,  however, that
any bonus compensation payable in cash to Employee shall be at the discretion of
the Company, taking into account Employee's higher base compensation relative to
other officers of the Company;  (ii)  participate in any and all life insurance,
disability insurance,  and other employee benefit plans which are made available
during the  Employment  Period to  executives  of the Company of the  Employee's
rank; and (iii)  reimbursement  for all expenses  reasonably  incurred by him on
behalf  of the  Company  including  travel,  accommodations  and  the  costs  of
maintaining  an office at 1930  South  Main  Street,  Princeton,  Illinois  (the
"Office"). The Employee shall be entitled to vacation (taken consecutively or in
segments),  aggregating three (3) weeks each calendar year during the Employment
Period.  In the event Employee's site of employment is relocated to Cedar Falls,
Iowa or other site more than 50 miles from the  Office,  the  Company  shall pay
reasonable  relocation costs incurred in connection with such move as determined
in good faith by the parties.

         4. Services.  During the Employment  Period,  Employee shall devote his
best efforts and time and  attention  to the business  affairs of the Company in
his capacity as Chief Financial Officer. At the Company's  discretion,  Employee
shall be allowed to work with Mr. Wayne W. Whalen  ("Whalen") on other  business
opportunities  to the extent said  activities do not interfere  with  Employee's
obligations to Company hereunder.

         5. Termination.

         A. The Employment Period will continue from the date hereof through and
during the period  ending on the third  anniversary  of the date hereof,  unless
terminated  earlier by (a)  Employee's  death or permanent  disability;  (b) the
Company,   for  cause;   or  (c)  by  Employee   following   reduction   in  his
responsibilities  or diminution of his duties in a manner  inconsistent with the
position of chief  financial  officer.  For purpose of this  Section 5,  "cause"
shall  mean (i) gross  inattention  or  neglect  to duty or any  other  willful,
reckless  or grossly  negligent  act (or  omission  to act) by  Employee,  which
materially injures the Company,  and (ii) the commission by Employee of a felony
or other crime involving moral turpitude or the commission by Employee of an act
of  financial  dishonesty  against the  Company.  Except in the case of death or
permanent  disability,  termination will not be effective until 3 days after the
Company has given written notice to Employee of such termination.

         B. In the event  Employee is  terminated  by the Company  without cause
prior to the  expiration  of the  Employment  Period or Employee  is  terminated
pursuant to Section 5.A(c) hereof,  Employee's obligations hereunder shall cease
and all  compensation  and other  benefits  which  would have been  received  by
Employee  following  the  date  of  termination  and  prior  to  the  end of the
Employment Period shall become immediately due and payable.

         C. In the event the Employment  Period is terminated by the Company for
cause,  by the  Employee for any reason  other than  pursuant to Section  5.A(c)
hereof or pursuant to Section 5.A(a) hereof, Employee shall forfeit all unearned
compensation remaining hereunder.

         6. Health Insurance.  Notwithstanding Section 3(ii) hereof, for so long
as Employee is employed by the  Company,  the Company  will provide to Employee,
his  wife  and  children,  health  insurance  substantially  comparable  to that
currently  provided for other  executive  officers of the Company.  In the event
such  insurance is not  available  through the Company,  then Company  shall pay
Employee the cost of comparable insurance through another carrier.

         7.  Notices.  Any  notice  provided  for in this  Agreement  must be in
writing  and must be either  personally  delivered,  sent by  overnight  courier
(e.g.,  Federal  Express) or mailed by first class mail, to the recipient at the
address below indicated:

         To the Company:    Top Air Manufacturing, Inc.
                            317 Savannah Park Road
                            Cedar Falls, Iowa 50613

         To Employee:       Thaddeus P. Vannice, Sr.
                            1930 South Main Street
                            Princeton, Illinois 61356

or such other  address or to the attention of such other person as the recipient
party shall have  specified by prior written  notice to the sending  party.  Any
notice under this Agreement will be deemed to have been given when so delivered,
sent or mailed.

         8.  Non-competition  and  Solicitation  Agreement.  For and  during the
period of eighteen (18) months after the  termination of the Employment  Period,
Employee will not,  directly or indirectly,  individually or as partner,  agent,
employee  of any  other  person  or  entity,  or  otherwise,  solicit  Company's
customers  located in the Region (as  defined  below) nor will he compete in the
Region  with the  business of the  Company,  in the  manufacture  or sale of any
product  previously or currently  manufactured or sold by Top Air Manufacturing,
Inc.  (or any  product  substantially  similar  thereto).  For  purposes of this
Agreement, the Region is defined to be the states of North Dakota, South Dakota,
Nebraska,  Kansas, Oklahoma,  Minnesota,  Iowa, Missouri,  Wisconsin,  Illinois,
Michigan,  Indiana and Ohio.  Notwithstanding  anything  herein to the contrary,
Employee  shall not be subject to the terms and  provisions of this Section 8 in
the event (i) Employee is terminated  without cause pursuant to Section 5(A)(c);
or (ii)  following the  expiration  of the  Employment  Period,  Employee is not
offered  employment on substantially the same terms as that offered to the other
executive officers of the Company.

         9. Severability.  Whenever  possible,  each provision of this Agreement
will be interpreted in such manner as to be effective and valid under applicable
law.  The  parties  agree that (i) the  provisions  of this  Agreement  shall be
severable  in the event  that any of the  provisions  hereof  are for any reason
whatsoever invalid, void or otherwise unenforceable,  (ii) such invalid, void or
otherwise  unenforceable  provisions  shall be  automatically  replaced by other
provisions  which are as similar as possible in terms to such  invalid,  void or
otherwise  unenforceable  provisions but are valid and enforceable and (iii) the
remaining provisions shall remain enforceable to the fullest extent permitted by
law.

         10.  Complete  Agreement.  This Agreement,  those  documents  expressly
referred to herein and other documents of even date herewith embody the complete
agreement  and  understanding  among the parties and  supersede  and preempt any
prior  understandings,  agreements or  representations  by or among the parties,
written or oral, which may have related to the subject matter hereof in any way.

         11.   Counterparts.   This   Agreement  may  be  executed  in  separate
counterparts,  each of which is deemed to be an original  and all of which taken
together constitute one and the same agreement.

         12. Governing Law. All questions concerning the construction,  validity
and  interpretation  of the Agreement  will be governed by the internal law, and
not the law of conflicts, of the State of Iowa.

         13. Remedies. Each of the parties to this Agreement will be entitled to
enforce such party's  rights under this Agreement  specifically,  and to recover
damages  by  reason of any  breach of any  provision  of this  Agreement  and to
exercise all other rights existing in such party's favor.

         14. Amendments and Waivers; Third Party Beneficiaries. Any provision of
this  Agreement may be amended or waived only with the prior written  consent of
the Company and Employee.  The failure of either party to insist,  in any one or
more instances,  upon  performance of the terms and conditions of this Agreement
shall not be  construed  as a waiver or a  relinquishment  of any right  granted
hereunder or of the future performance of any such term, covenant or condition.

         15. Attorney fees and litigation venue. Any dispute regarding the terms
of this agreement shall be resolved in:

         (a)      Blackhawk  County,  Iowa, if relief is sought against  Company
                  (although  enforcement  of  such an  award  may be had in Cook
                  County, Illinois, as Employee may elect); and

         (b)      Bureau County, Illinois, if relief is sought against Employee,

and the  prevailing  party shall be entitled to recover from the other party all
such  prevailing  party's  reasonable   attorney  fees  and  costs  incurred  in
connection  therewith.  All  disputes  shall be  submitted  to  arbitration,  in
accordance  with the  laws of  Iowa,  according  to the  Rules  of the  American
Arbitration Association and arbitrated under the auspices thereof.

         16.  Successors  and  Assigns.  This  Agreement is intended to bind and
inure to the benefit of and be  enforceable  by Employee  and the  Company,  and
their respective  successors and assigns.  Neither party may assign such party's
rights or delegate such party's obligations  hereunder without the prior written
consent of the other party.


         IN WITNESS WHEREOF, the parties have executed this Agreement on the day
and year first above written.

                                           TOP AIR MANUFACTURING, INC.


                                           By:  /s/ Steven R. Lind
                                                --------------------------------
                                           Its:  President
                                                --------------------------------


                                           /s/ Thaddeus P. Vannice, Sr.
                                           -------------------------------------
                                           THADDEUS P. VANNICE, SR.


                              EMPLOYMENT AGREEMENT

         THIS AGREEMENT,  made as of this 19th day of October, 1998, between Top
Air Manufacturing,  Inc., an Iowa Corporation (the "Company" or "Employer"), and
James R. Harken ("Employee").

                                   WITNESSETH:

         WHEREAS,  Employer  represents  that it wishes to employ said  Employee
under any and all terms set forth in this Agreement; and

         WHEREAS, Employee represents and is willing to work diligently for said
Employer under any and all terms set forth in this Agreement; and

         NOW, THEREFORE, in consideration of the mutual covenants of the parties
hereto, it is agreed as follows:

         1. Employment.  The Company hereby employs Employee,  as Vice President
of  Operations  of the Company,  and Employee  accepts  such  employment  by the
Company  upon the terms and  conditions  set  forth in this  Agreement,  for the
period  beginning  on the date of this  Agreement,  and ending upon  termination
pursuant to paragraph S hereof (the "Employment Period").

         2.  Compensation.  During  the  Employment  Period,  the  Company  will
compensate Employee as follows:

                  (a) Employee  shall receive an initial  annual fixed salary of
         $70,000.00,  payable in bi-weekly installments of $2,692.31. The Board
         of Directors may, by appropriate  Board action,  adjust Employees fixed
         annual salary under this  agreement at any time during the term of this
         agreement.

                  (b) Employee  shall be entitled to receive  employee  benefits
         including,  but not  limited to,  medical  insurance,  life  insurance,
         disability  insurance and pension benefits or similar plans or programs
         now existing or hereafter established to the extent that he is eligible
         under the general provisions of the applicable plans, provided however,
         that the Board may  increase  or  decrease  these  benefits  as long as
         Employee is not discriminated against.

         3.  Services.  Employee  agrees that during his period of employment he
will serve Employer on a full-time basis faithfully, diligently, confidently and
to the best of his ability,  and shall perform all duties incident to the office
he holds pursuant to paragraph 1 hereof.

         4. Extent of Service.  Employee shall devote his entire time, attention
and energies to the business of the Employer,  and not,  during the term of this
Agreement, be engaged in other business activities, whether or not such business
activities are pursued for gain, profit or other pecuniary  advantage;  but this
shall not be construed as preventing  the Employee from  investing his assets in
such form or manner as will not require any  services on the part of Employee in
the  operation  of the affairs of the  companies in which such  investments  are
made.

         5. Termination.  The Employment Period will continue from its effective
date, to wit: October 19, 1998, and shall extend until terminated by Employer or
Employee, pursuant to this section of the Agreement.

                  (a) Employer may terminate this Agreement, effective on a date
         designated in a written  notice to Employee upon the  occurrence of any
         of the following:

                       (i)  Failure or refusal of Employee to perform his duties
                  and obligations under this Agreement;

                       (ii) Death of Employee; or

                       (iii) Disability of Employee,  defined as an inability to
                  perform  his  work  for 45  consecutive  days,  or for 90 days
                  within any 12-month period; or

                       (iv) The  commission  by  Employee  of any  felony or any
                  other act constituting fraud, embezzlement or misappropriation
                  of funds (civil or criminal).

In the event of a termination pursuant to this paragraph 5(a) compensation shall
be paid on a prorated  basis  through  the date of  termination,  subject to any
rights of offset of Employer.

                  (b) Employer may terminate  this  Agreement for any reason not
         specified in paragraph  5(a)  hereof,  effective  with ninety (90) days
         written notice to Employee.  In the event of a termination  pursuant to
         this  paragraph  5(b),  Employee's  compensation  shall  be  paid  on a
         prorated  basis through the effective date of  termination,  subject to
         any rights of offset of the Employer.

                  (c) Employee may  terminate  this  Agreement  upon thirty (30)
         days' prior written notice.  In the event of a termination  pursuant to
         this  paragraph  5(c),  compensation  shall be paid on a prorated basis
         through  the date of  termination,  subject  to any rights of offset of
         Employer.

         6. Restrictive Covenant - Non-Competition.  Employee agrees that on the
termination for any reason whatsoever of his employment with the Employer, other
than in  connection  with the sale of a  controlling  interest of the  Company's
common  stock,  he will not,  for a period of one (1) year from the date of such
termination,  directly  or  indirectly  engage in or own any part of any company
engaged in the design, manufacture or sale of products substantially the same as
those  offered by the  Employer at the time of the  termination,  or work,  on a
full-time, part-time or consultant basis, for any corporation, partnership, sole
proprietorship  or any other legal entity  engaged in such  business  within the
states of Iowa, Illinois,  Indiana or Minnesota, nor will he in any way directly
or indirectly,  attempt to hire the Employer's employees or take away any of the
Employer's  business or customers  or destroy,  injure or damage the goodwill of
the Employer with its customers.

         Employee  further  agrees  that in the  event  that the  Employer,  its
successors or assigns,  shall bring any action for the enforcement of any or all
provisions of this  covenant not to compete,  and if the Court shall find on the
basis of the  evidence  introduced  in said  action  that  this  paragraph  6 is
unreasonable  then the Court shall make a finding as to what is  reasonable  and
shall  enforce  this  Agreement  by  judgment  or decree  to the  extent of such
finding.

         In the event that a controlling  interest in the Company's common stock
is sold to any person or entity during the Employment  Period,  and the Employee
is not offered  employment  in a similar  position as  described in paragraph 1,
this restrictive covenant shall not apply.

         7. Disclosure of Information. Employee recognizes and acknowledges that
the financial or other  affairs of the Employer,  as they may exist from time to
time,  are valuable,  special and unique  assets of the  Employer,  and Employee
agrees that he shall not, during or after the term of his  employment,  disclose
financial or other affairs of the Employer or any portion thereof to any person,
firm,  corporation,  association  or other  entity  for any  reason  or  purpose
whatsoever  except for any bona fide Employer  business  purpose  designated and
approved by the Board.

         8. Ownership of Inventions.  Employee  promises and agrees that he will
disclose  fully  and  reveal  promptly  to  Employer  any  and  all  inventions,
discoveries,  processes, methods, designs, products and know-how, which Employee
may invent,  discover,  acquire or develop,  either alone or in conjunction with
others,  during  Employee's  employment  by Employer  (hereinafter  collectively
referred to as  "Discoveries"),  where said Discoveries (i) relate to, or in any
way pertain to or are  connected  with the  business of  Employer,  or (ii) were
developed at Employer's  expense or on its premises,  or (iii) resulted directly
or  indirectly  from such  employment  by  Employer,  or relate to  articles  or
products made,  sold, used or bought by Employer,  or (iv) were being considered
for  design,  development,  sale,  purchase  or  use  by  Employer  during  such
employment  by  Employer,  and  Employee  further  promises and agrees that said
Discoveries shall be the sole and exclusive property of Employer;  and Employee,
whenever  requested to do so by Employer,  and without  further  compensation or
consideration  shall properly execute any and all applications,  assignments and
other  instruments which Employer shall deem necessary in order to (a) apply for
and obtain, in the name of Employer,  a patent,  trademark or copyright for said
Discoveries, and (b) assign and convey to Employer the sole and exclusive right,
title and interest in and to said Discoveries,  and any  applications,  patents,
trademarks or copyrights thereon.

         Employee hereby warrants, represents and confirms that he neither holds
nor has any interest in any patent, patent right, patent application, trademark,
trademark application,  license agreement or copyright related in any way to the
business of Employer;  and Employee  further agrees that any future  application
for any patent, patent right, trademark or copyright for any of said Discoveries
shall be made in the name of Employer.

         Employee  agrees that, in the event that  subsequent to his employment,
his assistance is needed to secure, defend, or enforce any patent,  trademark or
copyright,  Employee  will provide any such  assistance  and  Employer  will pay
reasonable compensation for his time at a rate to be negotiated.

         Employee acknowledges that the restrictions contained in this paragraph
8 are  reasonable  and  necessary  in order  to  protect  Employer's  legitimate
business  interests and any violation thereof would result in irreparable injury
to Employer.  Employee further acknowledges and agrees that, in the event of any
violation  hereof,  Employer shall be authorized and entitled to seek,  from any
court of  competent  jurisdiction,  (i)  preliminary  and  permanent  injunctive
relief;  (ii) an equitable  accounting of all profits or benefits arising out of
the  violation,  and (iii)  damages  arising  from the  breach.  Such  rights or
remedies  shall be cumulative and in addition to any other rights or remedies to
which Employer may be entitled.  The prevailing  party in any such lawsuit shall
further be entitled to recover his reasonable  attorneys'  fees, court costs and
expenses.

         9.  Disclosure  of  Trade  Secrets.  Employee  further  recognizes  and
acknowledges that the secret processes,  procedures, list of customers,  bidding
methods,  all  discoveries  and  inventions,  together  with all  knowledge  and
information  which the Employee  shall acquire during the term of this agreement
affecting the business of the Employer, are valuable,  special and unique assets
of the employer, and Employee agrees that he shall not, during or after the term
of  his  employment,  disclose  said  secret  processes,   procedures,  list  of
customers,  bidding methods,  any discoveries and inventions,  together with any
knowledge and  information  which the Employee  shall acquire during the term of
this  Agreement  affecting  the business of the Employer,  to any person,  firm,
corporation,  association  or other entity for any reason or purpose  whatsoever
except for any bona fide Employer  business  purpose  designated and approved by
the Board.  The Employee  further  agrees not to divulge or publish or authorize
anyone  else to divulge or  publish  during or after the term of this  Agreement
knowledge  of said secret  processes,  procedures,  list of  customers,  bidding
methods,  discoveries  or  inventions  or  any  other  confidential  information
acquired in the course of his employment concerning the Employer's business.

         10. Severability.  Whenever possible,  each provision of this Agreement
will be interpreted in such manner as to be effective and valid under applicable
law.  The  parties  agree that (i) the  provisions  of this  Agreement  shall be
severable  in the event  that any of the  provisions  hereof  are for any reason
whatsoever invalid, void or otherwise unenforceable,  (ii) such invalid, void or
otherwise  unenforceable  provisions  shall be  automatically  replaced by other
provisions  which are as similar as possible in terms to such  invalid,  void or
otherwise  unenforceable  provisions but are valid and enforceable and (iii) the
remaining provisions shall remain enforceable to the fullest extent permitted by
law.

         11.  Complete  Agreement.   This  instrument   constitutes  the  entire
Agreement  of the parties and  supersedes  and  replaces  any prior  agreements,
whether written or oral, relating to the employment relationship of Employer and
Employee.  It may not be  changed  orally  but only by an  agreement  in writing
signed  by  the  party  against  whom   enforcement   of  any  waiver,   change,
modification, extension or discharge is sought.

         12. Remedies. Each of the parties to this Agreement will be entitled to
enforce such party's  rights under this Agreement  specifically,  and to recover
damages  by  reason of any  breach of any  provision  of this  Agreement  and to
exercise all other rights existing in such party's favor.  Company  acknowledges
and agrees that Employee relies on the agreement,  employment,  compensation and
benefits provided for herein and that all of same are material inducement to and
consideration for Employee's execution of this agreement.

         13. Waiver of Breach. The failure of either party to insist, in any one
or  more  instances,  upon  performance  of the  terms  and  conditions  of this
Agreement  shall not be construed as a waiver or a  relinquishment  of any right
granted  hereunder or of the future  performance  of any such term,  covenant or
condition.

         14.  Applicable  Law. This Agreement and the validity of this provision
shall be construed under the laws of the State of Iowa.

         15.  Successors  and  Assigns.  This  Agreement is intended to bind and
inure to the benefit of and be  enforceable  by Employee  and the  Company,  and
their respective  successors and assigns.  Neither party may assign such party's
rights or delegate such party's obligations  hereunder without the prior written
consent of the other party.

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

                                     Top Air Manufacturing, Inc.



                                     BY: /s/ Steven R. Lind
                                         ---------------------------------------
                                         Steven R. Lind, President & CEO


                                         /s/ James R. Harken
                                         ---------------------------------------
                                         James R. Harken, "Employee"



                              EMPLOYMENT AGREEMENT

         THIS AGREEMENT,  made as of this 19th day of October, 1998, between Top
Air Manufacturing,  Inc., an Iowa Corporation (the "Company" or "Employer"), and
Scott L. Wildeboer ("Employee").

                                   WITNESSETH:

         WHEREAS,  Employer  represents  that it wishes to employ said  Employee
under any and all terms set forth in this Agreement; and

         WHEREAS, Employee represents and is willing to work diligently for said
Employer under any and all terms set forth in this Agreement; and

         NOW, THEREFORE, in consideration of the mutual covenants of the parties
hereto, it is agreed as follows:

         1. Employment.  The Company hereby employs Employee,  as Vice President
of  Manufacturing  of the Company,  and Employee  accepts such employment by the
Company  upon the terms and  conditions  set  forth in this  Agreement,  for the
period  beginning  on the date of this  Agreement,  and ending upon  termination
pursuant to paragraph 5 hereof (the "Employment Period").

         2.  Compensation.  During  the  Employment  Period,  the  Company  will
compensate Employee as follows:

                  (a) Employee  shall receive an initial  annual fixed salary of
         $70,000.00,  payable  in  bi-weekly  installments  of  $2,692.31.   The
         Board of Directors may, by appropriate  Board action,  adjust Employees
         fixed annual salary under this agreement at any time during the term of
         this agreement.

                  (b) Employee  shall be entitled to receive  employee  benefits
         including,  but not  limited to,  medical  insurance,  life  insurance,
         disability  insurance and pension benefits or similar plans or programs
         now existing or hereafter established to the extent that he is eligible
         under the general provisions of the applicable plans, provided however,
         that the Board may  increase  or  decrease  these  benefits  as long as
         Employee is not discriminated against.

         3.  Services.  Employee  agrees that during his period of employment he
will serve Employer on a full-time basis faithfully, diligently, confidently and
to the best of his ability,  and shall perform all duties incident to the office
he holds pursuant to paragraph 1 hereof.

         4. Extent of Service.  Employee shall devote his entire time, attention
and energies to the business of the Employer,  and not,  during the term of this
Agreement, be engaged in other business activities, whether or not such business
activities are pursued for gain, profit or other pecuniary  advantage;  but this
shall not be construed as preventing  the Employee from  investing his assets in
such form or manner as will not require any  services on the part of Employee in
the  operation  of the affairs of the  companies in which such  investments  are
made.

         5. Termination.  The Employment Period will continue from its effective
date, to wit: October 19, 1998, and shall extend until terminated by Employer or
Employee, pursuant to this section of the Agreement.

                  (a) Employer may terminate this Agreement, effective on a date
         designated in a written  notice to Employee upon the  occurrence of any
         of the following:

                       (i)  Failure or refusal of Employee to perform his duties
                  and obligations under this Agreement;

                       (ii) Death of Employee; or

                       (iii) Disability of Employee,  defined as an inability to
                  perform  his  work  for 45  consecutive  days,  or for 90 days
                  within any 12-month period; or

                       (iv) The  commission  by  Employee  of any  felony or any
                  other act constituting fraud, embezzlement or misappropriation
                  of funds (civil or criminal).

In the event of a termination pursuant to this paragraph 5(a) compensation shall
be paid on a prorated  basis  through  the date of  termination,  subject to any
rights of offset of Employer.

                  (b) Employer may terminate  this  Agreement for any reason not
         specified in paragraph  5(a)  hereof,  effective  with ninety (90) days
         written notice to Employee.  In the event of a termination  pursuant to
         this  paragraph  5(b),  Employee's  compensation  shall  be  paid  on a
         prorated  basis through the effective date of  termination,  subject to
         any rights of offset of the Employer.

                  (c) Employee may  terminate  this  Agreement  upon thirty (30)
         days' prior written notice.  In the event of a termination  pursuant to
         this  paragraph  5(c),  compensation  shall be paid on a prorated basis
         through  the date of  termination,  subject  to any rights of offset of
         Employer.

         6. Restrictive Covenant - Non-Competition.  Employee agrees that on the
termination for any reason whatsoever of his employment with the Employer, other
than in  connection  with the sale of a  controlling  interest of the  Company's
common  stock,  he will not,  for a period of one (1) year from the date of such
termination,  directly  or  indirectly  engage in or own any part of any company
engaged in the design, manufacture or sale of products substantially the same as
those  offered by the  Employer at the time of the  termination,  or work,  on a
full-time, part-time or consultant basis, for any corporation, partnership, sole
proprietorship  or any other legal entity  engaged in such  business  within the
states of Iowa, Illinois,  Indiana or Minnesota, nor will he in any way directly
or indirectly,  attempt to hire the Employer's employees or take away any of the
Employer's  business or customers  or destroy,  injure or damage the goodwill of
the Employer with its customers.

         Employee  further  agrees  that in the  event  that the  Employer,  its
successors or assigns,  shall bring any action for the enforcement of any or all
provisions of this  covenant not to compete,  and if the Court shall find on the
basis of the  evidence  introduced  in said  action  that  this  paragraph  6 is
unreasonable  then the Court shall make a finding as to what is  reasonable  and
shall  enforce  this  Agreement  by  judgment  or decree  to the  extent of such
finding.

         In the event that a controlling  interest in the Company's common stock
is sold to any person or entity during the Employment  Period,  and the Employee
is not offered  employment  in a similar  position as  described in paragraph 1,
this restrictive covenant shall not apply.

         7. Disclosure of Information. Employee recognizes and acknowledges that
the financial or other  affairs of the Employer,  as they may exist from time to
time,  are valuable,  special and unique  assets of the  Employer,  and Employee
agrees that he shall not, during or after the term of his  employment,  disclose
financial or other affairs of the Employer or any portion thereof to any person,
firm,  corporation,  association  or other  entity  for any  reason  or  purpose
whatsoever  except for any bona fide Employer  business  purpose  designated and
approved by the Board.

         8. Ownership of Inventions.  Employee  promises and agrees that he will
disclose  fully  and  reveal  promptly  to  Employer  any  and  all  inventions,
discoveries,  processes, methods, designs, products and know-how, which Employee
may invent,  discover,  acquire or develop,  either alone or in conjunction with
others,  during  Employee's  employment  by Employer  (hereinafter  collectively
referred to as  "Discoveries"), where said Discoveries  (i) relate to, or in any
way pertain to or are  connected  with the  business of  Employer,  or (ii) were
developed at Employer's  expense or on its premises,  or (iii) resulted directly
or  indirectly  from such  employment  by  Employer,  or relate to  articles  or
products made,  sold, used or bought by Employer,  or (iv) were being considered
for  design,  development,  sale,  purchase  or  use  by  Employer  during  such
employment  by  Employer,  and  Employee  further  promises and agrees that said
Discoveries shall be the sole and exclusive property of Employer;  and Employee,
whenever  requested to do so by Employer,  and without  further  compensation or
consideration  shall properly execute any and all applications,  assignments and
other  instruments which Employer shall deem necessary in order to (a) apply for
and obtain, in the name of Employer,  a patent,  trademark or copyright for said
Discoveries, and (b) assign and convey to Employer the sole and exclusive right,
title and interest in and to said Discoveries,  and any  applications,  patents,
trademarks or copyrights thereon.

         Employee hereby warrants, represents and confirms that he neither holds
nor has any interest in any patent, patent right, patent application, trademark,
trademark application,  license agreement or copyright related in any way to the
business of Employer;  and Employee  further agrees that any future  application
for any patent, patent right, trademark or copyright for any of said Discoveries
shall be made in the name of Employer.

         Employee  agrees that, in the event that  subsequent to his employment,
his assistance is needed to secure, defend, or enforce any patent,  trademark or
copyright,  Employee  will provide any such  assistance  and  Employer  will pay
reasonable compensation for his time at a rate to be negotiated.

         Employee acknowledges that the restrictions contained in this paragraph
8 are  reasonable  and  necessary  in order  to  protect  Employer's  legitimate
business  interests and any violation thereof would result in irreparable injury
to Employer.  Employee further acknowledges and agrees that, in the event of any
violation  hereof,  Employer shall be authorized and entitled to seek,  from any
court of  competent  jurisdiction,  (i)  preliminary  and  permanent  injunctive
relief,  (ii) an equitable  accounting of all profits or benefits arising out of
the  violation;  and (iii)  damages  arising  from the  breach.  Such  rights or
remedies  shall be cumulative and in addition to any other rights or remedies to
which Employer may be entitled.  The prevailing  party in any such lawsuit shall
further be entitled to recover his reasonable  attorneys'  fees, court costs and
expenses.

         9.  Disclosure  of  Trade  Secrets.  Employee  further  recognizes  and
acknowledges that the secret processes,  procedures, list of customers,  bidding
methods,  all  discoveries  and  inventions,  together  with all  knowledge  and
information  which the Employee  shall acquire during the term of this agreement
affecting the business of the Employer, are valuable,  special and unique assets
of the employer, and Employee agrees that he shall not, during or after the term
of  his  employment,  disclose  said  secret  processes,   procedures,  list  of
customers,  bidding methods,  any discoveries and inventions,  together with any
knowledge and  information  which the Employee  shall acquire during the term of
this  Agreement  affecting  the business of the Employer,  to any person,  firm,
corporation,  association  or other entity for any reason or purpose  whatsoever
except for any bona fide Employer  business  purpose  designated and approved by
the Board.  The Employee  further  agrees not to divulge or publish or authorize
anyone  else to divulge or  publish  during or after the term of this  Agreement
knowledge  of said secret  processes,  procedures,  list of  customers,  bidding
methods,  discoveries  or  inventions  or  any  other  confidential  information
acquired in the course of his employment concerning the Employer's business.

         10. Severability.  Whenever possible,  each provision of this Agreement
will be interpreted in such manner as to be effective and valid under applicable
law.  The  parties  agree that (i) the  provisions  of this  Agreement  shall be
severable  in the event  that any of the  provisions  hereof  are for any reason
whatsoever invalid, void or otherwise unenforceable,  (ii) such invalid, void or
otherwise  unenforceable  provisions  shall be  automatically  replaced by other
provisions  which are as similar as possible in terms to such  invalid,  void or
otherwise  unenforceable  provisions but are valid and enforceable and (iii) the
remaining provisions shall remain enforceable to the fullest extent permitted by
law.

         11.  Complete  Agreement.   This  instrument   constitutes  the  entire
Agreement  of the parties and  supersedes  and  replaces  any prior  agreements,
whether written or oral, relating to the employment relationship of Employer and
Employee.  It may not be  changed  orally  but only by an  agreement  in writing
signed  by  the  party  against  whom   enforcement   of  any  waiver,   change,
modification, extension or discharge is sought.

         12. Remedies. Each of the parties to this Agreement will be entitled to
enforce such party's  rights under this Agreement  specifically,  and to recover
damages  by  reason of any  breach of any  provision  of this  Agreement  and to
exercise all other rights existing in such party's favor.  Company  acknowledges
and agrees that Employee relies on the agreement,  employment,  compensation and
benefits provided for herein and that all of same are material inducement to and
consideration for Employee's execution of this agreement.

         13. Waiver of Breach. The failure of either party to insist, in any one
or  more  instances,  upon  performance  of the  terms  and  conditions  of this
Agreement  shall not be construed as a waiver or a  relinquishment  of any right
granted  hereunder or of the future  performance  of any such term,  covenant or
condition.

         14.  Applicable  Law. This Agreement and the validity of this provision
shall be construed under the laws of the State of Iowa.

         15.  Successors  and  Assigns.  This  Agreement is intended to bind and
inure to the benefit of and be  enforceable  by Employee  and the  Company,  and
their respective  successors and assigns.  Neither party may assign such party's
rights or delegate such party's obligations  hereunder without the prior written
consent of the other party.

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

                                       Top Air Manufacturing, Inc.



                                       BY:  /s/ Steven R. Lind
                                            ------------------------------------
                                            Steven R. Lind, President & CEO

                                            /s/ Scott L. Wildeboer
                                            ------------------------------------
                                            Scott L. Wildeboer, "Employee"


                              EMPLOYMENT AGREEMENT

         THIS AGREEMENT,  made as of this 19th day of October, 1998, between Top
Air Manufacturing,  Inc., an Iowa Corporation (the "Company" or "Employer"), and
Steven F. Bahlmann ("Employee").

                                   WITNESSETH:

         WHEREAS,  Employer  represents  that it wishes to employ said  Employee
under any and all terms set forth in this Agreement; and

         WHEREAS, Employee represents and is willing to work diligently for said
Employer under any and all terms set forth in this Agreement; and

         NOW, THEREFORE, in consideration of the mutual covenants of the parties
hereto, it is agreed as follows:

         1. Employment. The Company hereby employs Employee, as Chief Accounting
Officer of the Company, and Employee accepts such employment by the Company upon
the terms and conditions set forth in this Agreement,  for the period  beginning
on the date of this Agreement, and ending upon termination pursuant to paragraph
5 hereof (the "Employment Period").

         2.  Compensation.  During  the  Employment  Period,  the  Company  will
compensate Employee as follows:

                  (a) Employee  shall receive an initial  annual fixed salary of
         $70,000.00,  payable in bi-weekly installments of $2,692.31.  The Board
         of Directors may, by appropriate  Board action,  adjust Employees fixed
         annual salary under this  agreement at any time during the term of this
         agreement.

                  (b) Employee  shall be entitled to receive  employee  benefits
         including,  but not  limited to,  medical  insurance,  life  insurance,
         disability  insurance and pension benefits or similar plans or programs
         now existing or hereafter established to the extent that he is eligible
         under the general provisions of the applicable plans, provided however,
         that the Board may  increase  or  decrease  these  benefits  as long as
         Employee is not discriminated against.

         3.  Services.  Employee  agrees that during his period of employment he
will serve Employer on a full-time basis faithfully, diligently, confidently and
to the best of his ability,  and shall perform all duties incident to the office
he holds pursuant to paragraph 1 hereof.

         4. Extent of Service.  Employee shall devote his entire time, attention
and energies to the business of the Employer,  and not,  during the term of this
Agreement, be engaged in other business activities, whether or not such business
activities are pursued for gain, profit or other pecuniary  advantage;  but this
shall not be construed as preventing  the Employee from  investing his assets in
such form or manner as will not require any  services on the part of Employee in
the  operation  of the affairs of the  companies in which such  investments  are
made.

         5. Termination.  The Employment Period will continue from its effective
date, to wit: October 19, 1998, and shall extend until terminated by Employer or
Employee, pursuant to this section of the Agreement.

                  (a) Employer may terminate this Agreement, effective on a date
         designated in a written  notice to Employee upon the  occurrence of any
         of the following:

                       (i)  Failure or refusal of Employee to perform his duties
                  and obligations under this Agreement;

                       (ii) Death of Employee; or

                       (iii) Disability of Employee,  defined as an inability to
                  perform  his  work  for 45  consecutive  days,  or for 90 days
                  within any 12-month period; or

                       (iv) The  commission  by  Employee  of any  felony or any
                  other act constituting fraud, embezzlement or misappropriation
                  of funds (civil or criminal).

In the event of a  termination  pursuant to this  paragraph  5(a),  compensation
shall be paid on a prorated  basis through the date of  termination,  subject to
any rights of offset of Employer.

                  (b) Employer may terminate  this  Agreement for any reason not
         specified in paragraph  5(a)  hereof,  effective  with ninety (90) days
         written notice to Employee.  In the event of a termination  pursuant to
         this  paragraph  5(b),  Employee's  compensation  shall  be  paid  on a
         prorated  basis through the effective date of  termination,  subject to
         any rights of offset of the Employer.

                  (c) Employee may  terminate  this  Agreement  upon thirty (30)
         days' prior written notice.  In the event of a termination  pursuant to
         this  paragraph  5(c),  compensation  shall be paid on a prorated basis
         through  the date of  termination,  subject  to any rights of offset of
         Employer.

         6. Restrictive Covenant - Non-Competition.  Employee agrees that on the
termination for any reason whatsoever of his employment with the Employer, other
than in  connection  with the sale of a  controlling  interest of the  Company's
common  stock,  he will not,  for a period of one (1) year from the date of such
termination,  directly  or  indirectly  engage in or own any part of any company
engaged in the design, manufacture or sale of products substantially the same as
those  offered by the  Employer at the time of the  termination,  or work,  on a
full-time, part-time or consultant basis, for any corporation, partnership, sole
proprietorship  or any other legal entity  engaged in such  business  within the
states of Iowa, Illinois,  Indiana or Minnesota, nor will he in any way directly
or indirectly,  attempt to hire the Employer's employees or take away any of the
Employer's  business or customers  or destroy,  injure or damage the goodwill of
the Employer with its customers.

         Employee  further  agrees  that in the  event  that the  Employer,  its
successors or assigns,  shall bring any action for the enforcement of any or all
provisions of this  covenant not to compete,  and if the Court shall find on the
basis of the  evidence  introduced  in said  action  that  this  paragraph  6 is
unreasonable  then the Court shall make a finding as to what is  reasonable  and
shall  enforce  this  Agreement  by  judgment  or decree  to the  extent of such
finding.

         In the event that a controlling  interest in the Company's common stock
is sold to any person or entity during the Employment  Period,  and the Employee
is not offered  employment  in a similar  position as  described in paragraph 1,
this restrictive covenant shall not apply.

         7. Disclosure of Information. Employee recognizes and acknowledges that
the financial or other  affairs of the Employer,  as they may exist from time to
time,  are valuable,  special and unique  assets of the  Employer,  and Employee
agrees that he shall not, during or after the term of his  employment,  disclose
financial or other affairs of the Employer or any portion thereof to any person,
firm,  corporation,  association  or other  entity  for any  reason  or  purpose
whatsoever  except for any bona fide Employer  business  purpose  designated and
approved by the Board.

         8. Ownership of Inventions.  Employee  promises and agrees that he will
disclose  fully  and  reveal  promptly  to  Employer  any  and  all  inventions,
discoveries,  processes, methods, designs, products and know-how, which Employee
may invent,  discover,  acquire or develop,  either alone or in conjunction with
others,  during  Employee's  employment  by Employer  (hereinafter  collectively
referred to as  "Discoveries"), where said Discoveries (i) relate to,  or in any
way pertain to or are  connected  with the  business of  Employer,  or (ii) were
developed at Employer's  expense or on its premises,  or (iii) resulted directly
or  indirectly  from such  employment  by  Employer,  or relate to  articles  or
products made,  sold, used or bought by Employer,  or (iv) were being considered
for  design,  development,  sale,  purchase  or  use  by  Employer  during  such
employment  by  Employer,  and  Employee  further  promises and agrees that said
Discoveries shall be the sole and exclusive property of Employer;  and Employee,
whenever  requested to do so by Employer,  and without  further  compensation or
consideration  shall properly execute any and all applications,  assignments and
other  instruments which Employer shall deem necessary in order to (a) apply for
and obtain, in the name of Employer,  a patent,  trademark or copyright for said
Discoveries, and (b) assign and convey to Employer the sole and exclusive right,
title and interest in and to said Discoveries,  and any  applications,  patents,
trademarks or copyrights thereon.

         Employee hereby warrants, represents and confirms that he neither holds
nor has any interest in any patent, patent right, patent application, trademark,
trademark application,  license agreement or copyright related in any way to the
business of Employer;  and Employee  further agrees that any future  application
for any patent, patent right, trademark or copyright for any of said Discoveries
shall be made in the name of Employer.

         Employee  agrees that, in the event that  subsequent to his employment,
his assistance is needed to secure, defend, or enforce any patent,  trademark or
copyright,  Employee  will provide any such  assistance  and  Employer  will pay
reasonable compensation for his time at a rate to be negotiated.

         Employee acknowledges that the restrictions contained in this paragraph
8 are  reasonable  and  necessary  in order  to  protect  Employer's  legitimate
business  interests and any violation thereof would result in irreparable injury
to Employer.  Employee further acknowledges and agrees that, in the event of any
violation  hereof,  Employer shall be authorized and entitled to seek,  from any
court of  competent  jurisdiction,  (i)  preliminary  and  permanent  injunctive
relief;  (ii) an equitable  accounting of all profits or benefits arising out of
the  violation;  and (iii)  damages  arising  from the  breach.  Such  rights or
remedies  shall be cumulative and in addition to any other rights or remedies to
which Employer may be entitled.  The prevailing  party in any such lawsuit shall
further be entitled to recover his reasonable  attorneys'  fees, court costs and
expenses.

         9.  Disclosure  of  Trade  Secrets.  Employee  further  recognizes  and
acknowledges that the secret processes,  procedures, list of customers,  bidding
methods,  all  discoveries  and  inventions,  together  with all  knowledge  and
information  which the Employee  shall acquire during the term of this agreement
affecting the business of the Employer, are valuable,  special and unique assets
of the employer, and Employee agrees that he shall not, during or after the term
of  his  employment,  disclose  said  secret  processes,   procedures,  list  of
customers,  bidding methods,  any discoveries and inventions,  together with any
knowledge and  information  which the Employee  shall acquire during the term of
this  Agreement  affecting  the business of the Employer,  to any person,  firm,
corporation,  association  or other entity for any reason or purpose  whatsoever
except for any bona fide Employer  business  purpose  designated and approved by
the Board.  The Employee  further  agrees not to divulge or publish or authorize
anyone  else to divulge or  publish  during or after the term of this  Agreement
knowledge  of said secret  processes,  procedures,  list of  customers,  bidding
methods,  discoveries  or  inventions  or  any  other  confidential  information
acquired in the course of his employment concerning the Employer's business.

         10. Severability.  Whenever possible,  each provision of this Agreement
will be interpreted in such manner as to be effective and valid under applicable
law.  The  parties  agree that (i) the  provisions  of this  Agreement  shall be
severable  in the event  that any of the  provisions  hereof  are for any reason
whatsoever invalid, void or otherwise unenforceable,  (ii) such invalid, void or
otherwise  unenforceable  provisions  shall be  automatically  replaced by other
provisions  which are as similar as possible in terms to such  invalid,  void or
otherwise  unenforceable  provisions but are valid and enforceable and (iii) the
remaining provisions shall remain enforceable to the fullest extent permitted by
law.

         11.  Complete  Agreement.   This  instrument   constitutes  the  entire
Agreement  of the parties and  supersedes  and  replaces  any prior  agreements,
whether written or oral, relating to the employment relationship of Employer and
Employee.  It may not be  changed  orally  but only by an  agreement  in writing
signed  by  the  party  against  whom   enforcement   of  any  waiver,   change,
modification, extension or discharge is sought.

         12. Remedies. Each of the parties to this Agreement will be entitled to
enforce such party's  rights under this Agreement  specifically,  and to recover
damages  by  reason of any  breach of any  provision  of this  Agreement  and to
exercise all other rights existing in such party's favor.  Company  acknowledges
and agrees that Employee relies on the agreement,  employment,  compensation and
benefits provided for herein and that all of same are material inducement to and
consideration for Employee's execution of this agreement.

         13. Waiver of Breach. The failure of either party to insist, in any one
or  more  instances,  upon  performance  of the  terms  and  conditions  of this
Agreement  shall not be construed as a waiver or a  relinquishment  of any right
granted  hereunder or of the future  performance  of any such term,  covenant or
condition.

         14.  Applicable  Law. This Agreement and the validity of this provision
shall be construed under the laws of the State of Iowa.

         15.  Successors  and  Assigns.  This  Agreement is intended to bind and
inure to the benefit of and be  enforceable  by Employee  and the  Company,  and
their respective  successors and assigns.  Neither party may assign such party's
rights or delegate such party's obligations  hereunder without the prior written
consent of the other party.

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

                                     Top Air Manufacturing, Inc.



                                     BY:  /s/ Steven R. Lind
                                          --------------------------------------
                                          Steven R. Lind, President & CEO

                                          /s/ Steven F. Bahlmann
                                          --------------------------------------
                                          Steven F. Bahlmann, "Employee"



                              EMPLOYMENT AGREEMENT


         THIS AGREEMENT,  made as of this 11th day of May, 1999, between Top Air
Manufacturing,  Inc., an Iowa  Corporation  (the "Company" or  "Employer"),  and
Jerome M. Sechler ("Employee").

                                   WITNESSETH:

         WHEREAS,  Employer  represents  that it wishes to employ said  Employee
under any and all terms set forth in this Agreement; and

         WHEREAS, Employee represents and is willing to work diligently for said
Employer under any and all terms set forth in this Agreement; and

         NOW, THEREFORE, in consideration of the mutual covenants of the parties
hereto, it is agreed as follows:

         1. Employment.  The Company hereby employs Employee,  as Vice President
of Sales and Marketing for the Company,  and Employee accepts such employment by
the Company upon the terms and conditions set forth in this  Agreement,  for the
period  beginning  on the date of this  Agreement,  and ending upon  termination
pursuant to paragraph 5 hereof (the "Employment Period").

         2.  Compensation.  During  the  Employment  Period,  the  Company  will
compensate Employee as follows:

                  (a) Employee  shall receive an initial  annual fixed salary of
         $83,200.00,  payable in bi-weekly installments of $3,200.00.  The Board
         of Directors may, by appropriate  Board action,  adjust Employees fixed
         annual salary under this  agreement at any time during the term of this
         agreement.

                  (b) Employee  shall be entitled to receive  employee  benefits
         including,  but not  limited to,  medical  insurance,  life  insurance,
         disability  insurance and pension benefits or similar plans or programs
         now existing or hereafter established to the extent that he is eligible
         under the general provisions of the applicable plans, provided however,
         that the Board may  increase  or  decrease  these  benefits  as long as
         Employee is not discriminated against.

         3.  Services.  Employee  agrees that during his period of employment he
will serve Employer on a full-time basis faithfully, diligently, confidently and
to the best of his ability,  and shall perform all duties incident to the office
he holds pursuant to paragraph 1 hereof.

         4. Extent of Service.  Employee shall devote his entire time, attention
and energies to the business of the Employer,  and not,  during the term of this
Agreement, be engaged in other business activities, whether or not such business
activities are pursued for gain, profit or other pecuniary  advantage;  but this
shall not be construed as preventing  the Employee from  investing his assets in
such form or manner as will not require any  services on the part of Employee in
the  operation  of the affairs of the  companies in which such  investments  are
made.

         5. Termination.  The Employment Period will continue from its effective
date,  to wit: May 11, 1999,  and shall extend until  terminated  by Employer or
Employee, pursuant to this section of the Agreement.

                  (a) Employer may terminate this Agreement, effective on a date
         designated in a written  notice to Employee upon the  occurrence of any
         of the following:

                       (i)  Failure or refusal of Employee to perform his duties
                  and obligations under this Agreement;

                       (ii) Death of Employee; or

                       (iii) Disability of Employee,  defined as an inability to
                  perform  his  work  for 45  consecutive  days,  or for 90 days
                  within any 12-month period; or

                       (iv) The  commission  by  Employee  of any  felony or any
                  other act constituting fraud, embezzlement or misappropriation
                  of funds (civil or criminal).

         In  the  event  of a  termination  pursuant  to  this  paragraph  5(a),
         compensation  shall be paid on a  prorated  basis  through  the date of
         termination, subject to any rights of offset of Employer.

                  (b) Employer may terminate  this  Agreement for any reason not
         specified in paragraph  5(a)  hereof,  effective  with ninety (90) days
         written notice to Employee.  In the event of a termination  pursuant to
         this  paragraph  5(b),  Employee's  compensation  shall  be  paid  on a
         prorated  basis through the effective date of  termination,  subject to
         any rights of offset of the Employer.

                  (c) Employee may  terminate  this  Agreement  upon thirty (30)
         days' prior written notice.  In the event of a termination  pursuant to
         this  paragraph  5(c),  compensation  shall be paid on a prorated basis
         through  the date of  termination,  subject  to any rights of offset of
         Employer.

         6. Restrictive Covenant - Non-Competition.  Employee agrees that on the
termination for any reason whatsoever of his employment with the Employer, other
than in  connection  with the sale of a  controlling  interest of the  Company's
common  stock,  he will not,  for a period of one (1) year from the date of such
termination,  directly  or  indirectly  engage in or own any part of any company
engaged in the design, manufacture or sale of products substantially the same as
those  offered by the  Employer at the time of the  termination,  or work,  on a
full-time, part-time or consultant basis, for any corporation, partnership, sole
proprietorship  or any other legal entity  engaged in such  business  within the
states of Iowa, Illinois,  Indiana or Minnesota, nor will he in any way directly
or indirectly,  attempt to hire the Employer's employees or take away any of the
Employer's  business or Customers  or destroy,  injure or damage the goodwill of
the Employer with its customers.

         Employee  further  agrees  that in the  event  that the  Employer,  its
successors or assigns, shall bring, any action for the enforcement of any or all
provisions of this  covenant not to compete,  and if the Court shall find on the
basis of the  evidence  introduced  in said  action  that  this  paragraph  6 is
unreasonable  then the Court shall make a finding as to what is  reasonable  and
shall  enforce  this  Agreement  by  judgment  or decree  to the  extent of such
finding.

         In the event that a controlling  interest in the Company's common stock
is sold to any person or entity during the Employment  Period,  and the Employee
is not offered  employment  in a similar  position as  described in paragraph 1,
this restrictive covenant shall not apply.

         7. Disclosure of Information. Employee recognizes and acknowledges that
the financial or other affairs of the Employer, as they exist from time to time,
are valuable,  special and unique assets of the  Employer,  and Employee  agrees
that he  shall  not,  during  or  after  the  term of his  employment,  disclose
financial or other affairs of the Employer or any portion thereof to any person,
firm,  corporation,  association  or other  entity  for any  reason  or  purpose
whatsoever  except for any bona fide Employer  business  purpose  designated and
approved by the Board.

         8. Ownership of Inventions.  Employee  promises and agrees that he will
disclose  fully  and  reveal  promptly  to  Employer  any  and  all  inventions,
discoveries,  processes, methods, designs, products and know-how, which Employee
may invent,  discover,  acquire or develop,  either alone or in conjunction with
others,  during  Employee's  employment  by Employer  (hereinafter  collectively
referred to as  "Discoveries"),  where said Discoveries (i) relate to, or in any
way pertain to or are  connected  with the  business of  Employer,  or (ii) were
developed at Employer's  expense or on its premises,  or (iii) resulted directly
or  indirectly  from such  employment  by  Employer,  or relate to  articles  or
products made,  sold, used or bought by Employer,  or (iv) were being considered
for  design,  development,  sale,  purchase  or  use  by  Employer  during  such
employment  by  Employer,  and  Employee  further  promises and agrees that said
Discoveries shall be the sole and exclusive property of Employer;  and Employee,
whenever  requested to do so by Employer,  and without  further  compensation or
consideration  shall properly execute any and all applications,  assignments and
other  instruments which Employer shall deem necessary in order to (a) apply for
and obtain, in the name of Employer,  a patent,  trademark or copyright for said
Discoveries, and (b) assign and convey to Employer the sole and exclusive right,
title and interest in and to said Discoveries,  and any  applications,  patents,
trademarks or copyrights thereon.

         Employee hereby warrants, represents and confirms that he neither holds
nor has any interest in any patent, patent right, patent application, trademark,
trademark application,  license agreement or copyright related in any way to the
business of Employer;  and Employee  further agrees that any future  application
for any patent, patent right, trademark or copyright for any of said Discoveries
shall be made in the name of Employer.

         Employee  agrees that, in the event that  subsequent to his employment,
his assistance is needed to secure, defend, or enforce any patent,  trademark or
copyright,  Employee  will provide any such  assistance  and  Employer  will pay
reasonable compensation for his time at a rate to be negotiated.

         Employee acknowledges that the restrictions contained in this paragraph
8 are  reasonable  and  necessary  in order  to  protect  Employer's  legitimate
business  interests and any violation thereof would result in irreparable injure
to Employer.  Employee further acknowledges and agrees that, in the event of any
violation  hereof,  Employer shall be authorized and entitled to seek,  from any
court of  competent  jurisdiction,  (i)  preliminary  and  permanent  injunctive
relief;  (ii) an equitable  accounting of all profits or benefits arising out of
the  violation;  and (iii)  damages  arising  from the  breach.  Such  rights or
remedies  shall be cumulative and in addition to any other rights or remedies to
which Employer may be entitled.  The prevailing  party in any such lawsuit shall
further be entitled to recover his reasonable  attorneys'  fees, court costs and
expenses.

         9.  Disclosure - of Trade  Secrets.  Employee  further  recognizes  and
acknowledges that the secret processes,  procedures, list of customers,  bidding
methods,  all  discoveries  and  inventions,  together  with all  knowledge  and
information  which the Employee  shall acquire during the term of this agreement
affecting the business of the Employer, are valuable,  special and unique assets
of the employer, and Employee agrees that he shall not, during or after the term
of  his  employment,  disclose  said  secret  processes,   procedures,  list  of
customers,  bidding methods,  any discoveries and inventions,  together with any
knowledge and  information  which the Employee  shall acquire during the term of
this  Agreement  affecting  the business of the Employer,  to any person,  firm,
corporation,  association  or other entity for any reason or purpose  whatsoever
except for any bona fide Employer  business  purpose  designated and approved by
the Board.  The Employee  further  agrees not to divulge or publish or authorize
anyone  else to divulge or  publish  during or after the term of this  Agreement
knowledge  of said secret  processes,  procedures,  list of  customers,  bidding
methods,  discoveries  or  inventions  or  any  other  confidential  information
acquired in the course of his employment concerning the Employer's business.

         10. Severability.  Whenever possible,  each provision of this Agreement
will be interpreted in such manner as to be effective and valid under applicable
law.  The  parties  agree that (i) the  provisions  of this  Agreement  shall be
severable  in the event  that any of the  provision  hereof  are for any  reason
whatsoever invalid, void or otherwise unenforceable,  (ii) such invalid, void or
otherwise  unenforceable  provisions  shall be  automatically  replaced by other
provisions  which are as similar as possible in terms to such  invalid,  void or
otherwise  unenforceable  provisions but are valid and enforceable and (iii) the
remaining provisions shall remain enforceable to the fullest extent permitted by
law.

         11.  Complete  Agreement.   This  instrument   constitutes  the  entire
Agreement  of the parties and  supersedes  and  replaces  any prior  agreements,
whether written or oral, relating to the employment relationship of Employer and
Employee.  It may not be  changed  orally  but only by an  agreement  in writing
signed by the party against whom enforcement of any waiver, change modification,
extension or discharge is sought.

         12. Remedies. Each of the parties to this Agreement will be entitled to
enforce such party's  rights under this Agreement  specifically,  and to recover
damages  by  reason of any  breach of any  provision  of this  Agreement  and to
exercise all other tights existing in such party's favor.  Employer acknowledges
and agrees that Employee relies on the agreement,  employment,  compensation and
benefits provided for herein and that all of same are material inducement to and
consideration for Employee's execution of this agreement.

         13. Waiver of Breach. The failure of either party to insist, in any one
or  more  instances,  upon  performance  of the  terms  and  conditions  of this
Agreement  shall not be construed as a waiver or a  relinquishment  of any right
granted  hereunder or of the future  performance  of any such term,  covenant or
condition.

         14.  Applicable  Law. This Agreement and the validity of this provision
shall be construed under the laws of the State of Iowa.

         15.  Successors  and  Assigns.  This  Agreement is intended to bind and
inure to the benefit of and be  enforceable  by Employee  and the  Company,  and
their respective  successors and assigns.  Neither party may assign such party's
rights or delegate such party's obligations  hereunder without the prior written
consent of the other party.

                  (remainder of page left blank intentionally)

<PAGE>


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


                                           Top Air Manufacturing, Inc.


                                           By: /s/ Steven R. Lind
                                               ---------------------------------
                                               Steven R. Lind, President


                                               /s/ Jerome M. Sechler
                                               ---------------------------------
                                               Jerome M. Sechler, Employee



<TABLE>
<CAPTION>


                       COMPUTATIONS OF EARNINGS PER SHARE



                                                     --------------------------------------------------------------
Basic earnings per share:                                     1999                  1998                 1997
                                                     --------------------------------------------------------------
<S>                                                    <C>                   <C>                   <C>

Computation of weighted  average number of
  common shares  outstanding and common
  equivalent shares:

Common Shares outstanding at the
  beginning of the period                                   5,083,456             5,135,548            3,984,548

Weighted average number of shares issued
  (retired) during the period                                 (76,868)              (46,902)             431,831
                                                     -----------------     -----------------     ---------------

Weighted average number of common and
  common equivalent shares                                  5,006,588             5,088,646              446,379
                                                      ===============       ===============       ==============

Net Income available to common
  stockholders                                       $     (1,275,867)     $      1,000,007      $       857,376
                                                      ================      ===============       ==============

Earnings per common and common
  equivalent share                                   $           (.25)      $           .20      $           .19
                                                      ===============       ===============       ==============

                                                     --------------------------------------------------------------
Diluted earnings per share:                                  1999                  1998                 1997
                                                     --------------------------------------------------------------


Computation of weighted  average number of
  common shares  outstanding and common
  equivalent shares:

Common Shares outstanding at the beginning
  of the period                                             5,083,456             5,135,548            3,984,548


Weighted average number of shares issued
  (retired) during the period                                 (76,868)              (46,902)             431,831

Weighted average of the common equivalent shares
  attributable to stock options granted,
  computed under the treasury stock method(1)                      --               161,227               88,066
                                                      ---------------       ---------------       --------------

Weighted average number of common and common
  equivalent shares - diluted                               5,006,588             5,249,873            4,504,445
                                                      ===============       ===============       ==============

Net Income available to common stockholders -
  diluted                                             $    (1,275,867)     $      1,000,007      $       857,376
                                                      ===============       ===============       ==============

Earnings per common and common equivalent
  share - diluted                                     $        (  .25)      $           .19      $           .19
                                                      ===============       ===============       ==============

<FN>

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

1     At May 31, 1999, 1998 and 1997,  respectively,  445,500,  67,500 and
      none  stock  options  have  not  been  included   because  they  are
      anti-dilutive.
</FN>

</TABLE>




                  Subsidiaries of Top Air Manufacturing, Inc.


Subsidiary                               Jurisdiction of Incorporation
- ----------                               -----------------------------

Ficklin Machine Co., Inc.                Illinois

Parker Industries, Inc.                  Iowa

One  hundred  percent  of  the  capital  stock  of  each  of  the  above  listed
subsidiaries is owned directly by Top Air Manufacturing, Inc.




                         CONSENT OF INDEPENDENT AUDITORS


We consent to the incorporation by reference into the registration statements of
Top Air  Manufacturing,  Inc. on  Form  S-8  (Registration  No.'s  33-74378  and
333-24287)  of our report  dated  July 23,  1999 with  respect to the  financial
statements of Top Air Manufacturing,  Inc. included in its Annual Report on Form
10-KSB for the fiscal year ended May 31, 1999.


                                          /s/  McGLADREY & PULLEN, L.L.P.


Waterloo, Iowa
August 27, 1999



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                           TOP AIR MANUFACTURING, INC.


                                   EXHIBIT 99


               CAUTIONARY STATEMENT IDENTIFYING IMPORTANT FACTORS
                  THAT COULD CAUSE THE COMPANY'S ACTUAL RESULTS
                        TO DIFFER FROM THOSE PROJECTED IN
                           FORWARD-LOOKING STATEMENTS


The following  factors could affect the Company's actual results,  including its
revenues,  expenses  and net  income,  and could  cause them to differ  from any
forward-looking statements made by or on behalf of the Company:

       The Company competes with a large number of other agricultural  equipment
       manufacturers  and  suppliers  who  distribute  sprayers,  liquid  manure
       equipment,  grain  handling  equipment,  weigh  wagons,  seed  conveyors,
       milking parlors, feeding and forage equipment and related parts. Although
       the Company  believes that its products are  sufficiently  different from
       other  products to enable it to establish  and maintain a market for such
       products, many of the Company's principal competitors are larger than the
       Company and have  substantial  resources.  There can be no assurance that
       competitors  will not be able to take actions,  including  developing new
       products or offering  reduced pricing,  which could materially  adversely
       affect the sales revenues of the Company.

       The Company has  warranted the products it  manufactures  to be free from
       defects in material  and  workmanship  under normal use and service for a
       period ranging from twelve to twenty-four  months after date of purchase.
       Although the Company  carries  product  liability  insurance and casualty
       insurance  customary for manufacturing  operations of its type, there are
       certain  types  of  losses  which  are  uninsurable  or not  economically
       insurable. There can be no guaranty against uninsured losses of any kind.

       The  continued  success of the  Company  will depend upon the efforts and
       abilities of certain key officers and employees,  particularly  Steven R.
       Lind,  its President and Chief  Executive  Officer.  The Company could be
       adversely  affected if for any reason such officers and employees  should
       no  longer  be  active  in the  Company's  operations.  Steven  R.  Lind,
       President and Chief Executive Officer of the Company, has entered into an
       employment agreement with the Company.

       The Company's  executive  officers and directors as a group  beneficially
       own approximately  39% of the outstanding  shares of the Company's common
       stock.  Accordingly,  these officers and directors  acting  together have
       effective voting control of the Company, including the election of all of
       the  Company's  directors  and on any other  matter being voted on by the
       Company's shareholders.  There are no provisions for cumulative voting by
       stockholders in the Company's Articles of Incorporation.  These facts may
       tend to discourage  attempts to acquire control of the Company by persons
       other than those holders.




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