NEOGEN CORP
424B1, 1996-10-23
IN VITRO & IN VIVO DIAGNOSTIC SUBSTANCES
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<PAGE>   1
                                               Filed Pursuant to Rule 424B1
                                               Registration No. 333-12193       




 
                                1,500,000 Shares
 
                                  [NEOGEN LOGO]
 
                                  Common Stock
                           -------------------------
 
     All of the 1,500,000 shares of Common Stock offered hereby are being sold
by Neogen Corporation (the "Company"). The Company's Common Stock is quoted on
the Nasdaq National Market under the symbol "NEOG". The last reported sale price
of the Common Stock on October 21, 1996 was $7.75 per share. See "Price Range of
Common Stock."
                           -------------------------
 
     SEE "RISK FACTORS" BEGINNING ON PAGE 5 FOR A DISCUSSION OF CERTAIN FACTORS
THAT SHOULD BE CONSIDERED BY PROSPECTIVE INVESTORS.
                           -------------------------
THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES AND
  EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION, NOR HAS THE
    SECURITIES AND EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION
      PASSED UPON THE ACCURACY OR ADEQUACY OF THIS PROSPECTUS. ANY
       REPRESENTATION TO THE CONTRARY IS A CRIMINAL OFFENSE.
<TABLE>
<CAPTION>
- ---------------------------------------------------------------------------------------------------
- ---------------------------------------------------------------------------------------------------
                                                                   UNDERWRITING
                                                   PRICE TO       DISCOUNTS AND      PROCEEDS TO
                                                    PUBLIC        COMMISSIONS(1)      COMPANY(2)
<S>                                            <C>               <C>               <C>
- ---------------------------------------------------------------------------------------------------
Per Share....................................       $7.50             $0.525            $6.975
Total(3).....................................    $11,250,000         $787,500        $10,462,500
- ---------------------------------------------------------------------------------------------------
- ---------------------------------------------------------------------------------------------------
</TABLE>
 
(1) The Company has agreed to indemnify the Underwriters against certain
    liabilities, including liabilities under the Securities Act of 1933.
 
(2) Before deducting estimated offering expenses of $170,000, payable by the
    Company.
 
(3) The Company has granted the Underwriters a 30-day option to purchase an
    additional 225,000 shares of Common Stock at the Price to Public, less
    underwriting discounts and commissions, solely to cover over-allotments, if
    any. If this option is exercised in full, the total Price to Public,
    Underwriting Discounts and Commissions, and Proceeds to Company will total
    $12,937,500, $905,625 and $12,031,875, respectively. See "Underwriting."
                           -------------------------
 
     The Common Stock offered by this Prospectus is offered by the several
Underwriters named herein when, as and if issued to and accepted by them, and
subject to their right to reject orders in whole or in part and subject to
certain other conditions. It is expected that delivery of certificates
representing the shares of Common Stock will be made at the offices of Roney &
Co., One Griswold, Detroit, Michigan 48226 on or about October 25, 1996.
                           -------------------------
[RONEY & CO. LOGO]                                             THE OHIO COMPANY
 
                The date of this Prospectus is October 22, 1996.
<PAGE>   2
 
- -------------------------------------
- -------------------------------------
                                             The Company's Veratox(R) and
                                             Agri-Screen(R) test kits are used
                                             by the grain, nut and spice
                                             processing industries to detect the
                                             presence of harmful natural toxins.
                                             Some of these toxins are federally
                                             regulated.                   
                   [Photo 1]                                              
 
 The Company's one-step Reveal(R)                         [Photo 2]
 tests are used by
 processors to detect the presence of
 foodborne
 bacteria, such as the potentially
 deadly
 E. coli 0157:H7 in hamburger.
 
             [Photo]                         The Company's Alert(R) test detects
                                             the presence of potentially deadly
                                             toxins, like histamine in certain
                                             fish species.
 
                            ------------------------
 
     IN CONNECTION WITH THE OFFERING, THE UNDERWRITERS AND THE SELLING GROUP
MEMBERS (IF ANY) OR THEIR RESPECTIVE AFFILIATES MAY OVER-ALLOT OR EFFECT
TRANSACTIONS WHICH STABILIZE OR MAINTAIN THE MARKET PRICE OF THE COMMON STOCK
OF THE COMPANY AT A LEVEL ABOVE THAT WHICH MIGHT OTHERWISE PREVAIL IN THE OPEN
MARKET. SUCH STABILIZING, IF COMMENCED, MAY BE DISCONTINUED AT ANY TIME.
 
     IN CONNECTION WITH THE OFFERING, CERTAIN UNDERWRITERS AND SELLING GROUP
MEMBERS (IF ANY) OR THEIR RESPECTIVE AFFILIATES MAY ENGAGE IN PASSIVE MARKET
MAKING TRANSACTIONS IN THE COMMON STOCK OF THE COMPANY ON THE NASDAQ NATIONAL
MARKET IN ACCORDANCE WITH RULE 10B-6A UNDER THE SECURITIES EXCHANGE ACT OF 1934.
SEE "UNDERWRITING."
 
     The Company owns the following trademarks: Veratox(R), Agri-Screen(R),
Agri-Screen Ticket(R), Reveal(R), Insight(R), Alert(R), Ideal(R), Bot Tox B(R),
Gold Nugget(R), ELISA Technologies(R), K-Gold(TM), K-Blue Substrate(R), and
AMPCOR(R).
<PAGE>   3
 
                               PROSPECTUS SUMMARY
 
     The following summary is qualified in its entirety by the more detailed
information and consolidated financial statements, including the notes thereto,
appearing elsewhere in this Prospectus. As used in this Prospectus, the terms
the "Company" and "Neogen" refer to Neogen Corporation and its wholly-owned
subsidiaries unless the context otherwise requires. Unless otherwise indicated,
information in this Prospectus assumes that the Underwriters' over-allotment
option is not exercised. The Company's fiscal year ends on May 31.
 
                                  THE COMPANY
 
     Neogen Corporation develops, manufactures, and markets a diverse line of
products used to detect residues and improve quality for the agriculture, food,
pharmacologics and environmental industries. The Company's products are grouped
into two areas, diagnostic test kits and veterinary instruments. The Company's
diagnostic test kits aid in the detection of foodborne bacteria, natural toxins,
drug residues, pesticide residues, disease infections and quality aspects. These
diagnostic test kits are less expensive, easier to use, and provide greater
accuracy and speed than many of the conventional diagnostic methods currently
being used. The Company's veterinary instrument product line assists in the
promotion of animal health principally through the delivery of more precise drug
treatments such as antibiotics and vaccines.
 
     The market for diagnostic products for food and environmental safety has
been estimated to be approximately $500 million by the year 2000. The Company
estimates that currently only 12% of the food safety and environmental testing
is done by diagnostic test kits such as those manufactured by the Company.
Approximately 88% of the total potential market is either not testing or is
still using older, traditional methods that are generally slower, more difficult
to use and more expensive. In July 1996, the U.S. Department of Agriculture's
Food Safety Inspection Service adopted a final rule governing (i) federally
inspected meat and poultry processing plants and (ii) businesses outside the
U.S. which export meat and poultry into the U.S. In December 1995, the U.S. Food
and Drug Administration issued a final rule, scheduled to become effective
January 1998, concerning the procedures required for the safe and sanitary
processing and importing of fish and fishery products. As a result of increased
public concern over food quality and the aforementioned governmental regulations
concerning food inspection, a significant portion of this untapped market
represents testing that is not being conducted today and testing that will occur
over the next few years.
 
     The Company has developed and markets over 140 diagnostic test kits used in
food safety, plant diseases, animal health, pharmacologic research and a limited
number of products for human clinical use. These tests are generally immunoassay
products that rely on the Company's proprietary antibodies capable of the
detection of residues allowing for rapid and accurate test results. All of the
Company's diagnostic test kits are disposable, single use products. The Company
has developed its diagnostic test kits so they can be utilized across multiple
market segments. The Company's Ideal Instruments subsidiary manufactures and
markets over 250 different veterinary instrument products used in obstetrics and
surgery and to administer animal health.
 
     The Company's marketing strategy has been to expand its product offerings
through multiple market segments. The Company has focused on selling its
products into seven market segments: grain, nut and spice processors; meat,
poultry and egg processors; seafood processors; animal producers; fruit and
vegetable producer/processors; human clinical and pharmacologic research; and
private and public laboratories. This strategy has allowed the Company to become
the market leader in diagnostic products for the grain, nut and spice processor
industry and to become the dominant producer of diagnostic tests for the
detection of drugs in animals. Further, the Company has devoted significant
resources to take advantage of recent changes in testing requirements for the
meat, poultry and egg processor and seafood processor industries.
 
     The Company's vision is to become a world leader in diagnostic development
and marketing. The Company has developed a growth strategy to achieve this
vision consisting of the following elements: (i) increasing sales of existing
products; (ii) introducing new products and product lines; (iii) expanding
international sales; and (iv) acquiring businesses and forming strategic
alliances.
 
                                        3
<PAGE>   4
 
                                  THE OFFERING
 
<TABLE>
<S>                                              <C>
Common Stock Offered..........................   1,500,000 shares
Common Stock to be Outstanding After
  The Offering................................   6,099,142 shares(1)
Use Of Proceeds...............................   For general corporate purposes, including potential
                                                 acquisitions and working capital. See "Use Of
                                                 Proceeds."
Nasdaq National Market Symbol.................   NEOG
</TABLE>
 
                      SUMMARY CONSOLIDATED FINANCIAL DATA
                     (in thousands, except per share data)
 
<TABLE>
<CAPTION>
                                                                                        THREE MONTHS
                                                         YEARS ENDED MAY 31,          ENDED AUGUST 31,
                                                    -----------------------------    ------------------
                                                    1994(2)    1995(2)    1996(2)    1995(2)    1996(2)
                                                    -------    -------    -------    -------    -------
<S>                                                 <C>        <C>        <C>        <C>        <C>
STATEMENT OF OPERATIONS DATA:
Revenues.........................................   $10,735    $11,726    $12,490    $2,926     $4,035
Income (loss) from operations....................       922        630       (240)      132        416
Net income (loss)................................       856        679       (244)      131        401
Net income (loss) per share......................      $.19       $.15      $(.05)     $.03       $.08
Weighted average number of common shares
  outstanding....................................     4,521      4,675      4,514     4,695      4,770
</TABLE>
 
<TABLE>
<CAPTION>
                                                                              AUGUST 31, 1996
                                                                         -------------------------
                                                                         ACTUAL     AS ADJUSTED(3)
                                                                         -------    --------------
<S>                                                                      <C>        <C>
BALANCE SHEET DATA:
Working capital.......................................................   $ 5,659       $ 15,952
Total assets..........................................................    12,324         21,588
Long-term debt, excluding current portion.............................       261            261
Stockholders' equity..................................................     9,355         19,648
</TABLE>
 
- -------------------------
(1) Does not include 580,792 shares reserved for issuance upon exercise of stock
    options and warrants outstanding as of August 31, 1996.
 
(2) The periods presented in the Statement of Operations Data are not comparable
    due to a restructuring charge in fiscal 1996 and acquisitions in each fiscal
    year. See Notes 2 and 3 of the Notes to Consolidated Financial Statements.
 
(3) Adjusted to reflect the sale of the 1,500,000 shares of Common Stock offered
    hereby at $7.50, and the application of the net proceeds of this offering,
    after deducting the underwriting discounts and commissions and estimated
    offering expenses.
 
                                        4
<PAGE>   5
 
                                  RISK FACTORS
 
     Prospective investors should carefully consider the factors set forth
below, as well as other information included elsewhere herein or incorporated by
reference, prior to purchasing the shares of Common Stock offered hereby:
 
IDENTIFICATION AND INTEGRATION OF ACQUISITIONS
 
     The Company's business has grown significantly over the past several years
as a result of both internal growth and acquisitions of products and businesses.
The Company plans to use a portion of the proceeds of this offering to make
additional acquisitions. See "Use of Proceeds." The Company has no agreements or
commitments in place with respect to, and is not currently engaged in any
negotiations for, any acquisition. Identifying and pursuing acquisition
opportunities, integrating these acquisitions into the Company's business, and
managing their growth require a significant amount of management time and skill.
There can be no assurance that the Company will be effective in identifying,
integrating or managing any acquisition target in the future. The failure to
successfully integrate and manage any future acquisition may have a material
adverse effect on the Company's operating results and financial condition.
 
NEW PRODUCT DEVELOPMENT RISKS
 
     The Company is continually developing new products for which it believes
there should be significant market demand. There can be no assurance that the
Company will successfully develop these products, that the products will be
developed on a timely basis to meet market demand, or that the relevant market
will be properly identified. If the Company expends substantial resources in
developing an unsuccessful product, operating results will be adversely
affected.
 
INTERNATIONAL SALES
 
     In fiscal 1996, international sales accounted for 21% of the Company's
total revenue. The Company expects that its international business will continue
to account for a significant portion of its total revenue. Foreign regulatory
bodies may establish product standards different from those in the U.S. and with
which the Company's current products do not comply. The inability of the Company
to design products to comply with foreign standards could have a material
adverse effect on the Company's future growth. Other risks related to
international sales include the possible disruption in transportation,
difficulties in building and managing foreign distribution, fluctuation in the
value of foreign currencies, import duties and quotas, and unexpected economic
and political changes in foreign markets. There can be no assurance that these
factors will not adversely affect international sales and the Company's overall
financial performance.
 
COMPETITION
 
     The markets in which the Company competes are subject to rapid and
substantial changes in technology. The Company encounters, and expects to
continue to encounter, competition in the sale of its products. There can be no
assurance that new technology or products developed by the Company's competition
will not render the Company's products or technologies obsolete or
noncompetitive. Many of the Company's competitors and potential competitors have
greater capital, manufacturing, marketing, and research resources than the
Company. See "Business -- Competition."
 
DEPENDENCE ON AGRICULTURAL MARKETS
 
     The Company's primary markets relate to agricultural and food production.
The agricultural marketplace is cyclical and is dependent upon many factors
outside the Company's control including weather conditions. A downturn in the
agriculture marketplace could adversely affect the Company's sales.
 
FLUCTUATIONS IN QUARTERLY OPERATING RESULTS
 
     The Company has experienced, and may experience in the future, significant
fluctuations in its quarterly operating results. Factors such as the mix of
products sold, and the acceptance of new products, could contribute to this
quarterly variability. The Company operates with relatively little backlog and
has few
 
                                        5
<PAGE>   6
 
long-term customer contracts. Substantially all of its product revenue in each
quarter results from orders received in that quarter. In addition, the Company's
expense levels are based, in part, on expectation of future revenue levels. A
shortfall in expected revenue could, therefore, result in a disproportionate
decrease in net income.
 
PATENTS, TRADE SECRETS AND LICENSES
 
     The Company relies on a combination of patent, trade secret and trademark
law to protect its proprietary rights. There can be no assurance that patent
applications filed by the Company will result in the issuance of patents. There
can also be no assurance that the Company's nondisclosure agreements, together
with trade secrets and other common law rights, will provide meaningful
protection for the Company's trade secrets and other proprietary information. In
the absence of these assurances, the Company's business may be adversely
affected by competitors. From time to time, the Company has received notices
alleging that the Company's products infringe third party proprietary rights,
though no material legal action in this regard is currently pending. If the
Company is precluded from selling its products or is required to pay damages
with respect to such sales, the Company's business and results of operation
could be adversely affected. See "Business -- Proprietary Protection and
Approvals."
 
REGULATION BY GOVERNMENT AGENCIES
 
     A significant portion of the Company's products are affected by the
regulations of various domestic and foreign government agencies, including the
U.S. Department of Agriculture and the U.S. Food and Drug Administration. Though
less than 10% of the Company's revenues is currently derived from products
requiring government approval prior to sale, a significant portion of its
revenues is derived from products used to monitor and detect the presence of
residues that are regulated by various government agencies. Furthermore, a
significant portion of the Company's growth may be affected by the
implementation of new regulations such as the U.S. Food and Drug
Administration's final rule, Procedures For The Safe And Sanitary Processing And
Importing Of Fish And Fishery Products, and the final rule of the U.S.
Department of Agriculture, Pathogen Reduction; Hazard Analysis And Critical
Control Point Systems. If, for some reason, these rules are overturned or
significantly modified, there would be a significant adverse affect on the
Company's future growth strategies. See "Business -- Governmental Regulation."
 
DEPENDENCE ON KEY EMPLOYEES
 
     The Company's success depends, in large part, on its president and on other
members of its management team. The loss of services of these key employees
could have a material adverse effect on the Company. The Company maintains
certain incentive plans for its key employees and most of these employees have
been with the Company in excess of three years. However, the Company has not
executed long-term employment agreements with any of these employees and does
not expect to do so in the foreseeable future. The Company's success also
depends, significantly, on its ability to continue to attract such personnel.
There can be no assurance that the Company will be able to retain or attract
such personnel.
 
PRODUCT LIABILITY AND INSURANCE
 
     The manufacturing and distribution of the Company's products involve an
inherent risk of product liability claims and the adverse publicity that may be
associated with such claims. Although the Company currently maintains liability
insurance, there can be no assurance the Company will be able to continue to
obtain such insurance on acceptable terms, or that such insurance will provide
adequate coverage against all potential claims. See "Business -- Insurance."
 
POSSIBLE VOLATILITY OF STOCK PRICE
 
     The market prices for securities of technology companies have been volatile
in the past and could continue to be volatile in the future. Fluctuations in
financial performance from period to period may occur and could have a
significant impact on the market price of the Company's stock.
 
                                        6
<PAGE>   7
 
                                 CAPITALIZATION
 
     The following table sets forth the capitalization of the Company as of
August 31, 1996 and as adjusted to give effect to the issuance and sale by the
Company of the 1,500,000 shares of Common Stock offered hereby, after deducting
the underwriting discounts and commissions, and estimated offering expenses. The
table should be read in conjunction with the Company's Consolidated Financial
Statements and related notes thereto appearing elsewhere in this Prospectus.
 
<TABLE>
<CAPTION>
                                                                             AUGUST 31, 1996
                                                                         ------------------------
                                                                         ACTUAL       AS ADJUSTED
                                                                         -------      -----------
                                                                              (IN THOUSANDS)
<S>                                                                      <C>          <C>
Short-term debt.......................................................   $ 1,100        $    71
                                                                         =======        =======
Long-term debt........................................................   $   261        $   261
                                                                         -------        -------
Stockholders' equity:
  Common stock:
     $.16 par value; 10,000,000 shares authorized;
     4,598,042 shares issued and outstanding, actual;
     6,098,042 shares issued and outstanding, as adjusted(1)..........       736            976
  Additional paid-in capital..........................................    13,932         23,985
  Retained earnings (deficit).........................................    (5,313)        (5,313)
                                                                         -------        -------
     Total Stockholders' equity.......................................     9,355         19,648
                                                                         -------        -------
       Total Capitalization...........................................   $ 9,616        $19,909
                                                                         =======        =======
</TABLE>
 
- -------------------------
(1) Does not include 580,792 shares reserved for issuance upon the exercise of
    stock options and warrants outstanding as of August 31, 1996.
 
                                USE OF PROCEEDS
 
     The net proceeds to the Company from the sale of the 1,500,000 shares of
Common Stock offered hereby are estimated to be $10,292,500 ($11,861,875 if the
Underwriters' over-allotment option is exercised in full), after deducting the
underwriting discounts and commissions and estimated offering expenses.
 
     The Company intends to use the net proceeds primarily for general corporate
purposes, including potential acquisitions of businesses or products, licenses
of technologies and working capital needs. The Company expects to devote a
portion of the net proceeds to fund such acquisitions or licenses. The Company
expects that it may effect acquisitions to expand its product and service
offerings within its current markets, although the Company may also seek to
effect acquisitions to extend its business into complementary markets. While the
Company has made such acquisitions in the past, the Company has no agreements or
commitments with respect to, and is not currently engaged in any negotiations
for, any acquisition. The amount of the net proceeds actually expended for
acquisitions, licenses or working capital purposes will depend upon a number of
factors, including the Company's ability to identify and effect attractive
acquisitions and licenses, and the amount of cash generated by the Company's
operations.
 
     Pending the uses described above, the net proceeds will be used to reduce
short-term bank borrowings and will be placed in short-term, interest bearing,
investment grade securities, certificates of deposit or direct or guaranteed
obligations of the United States of America.
 
                                        7
<PAGE>   8
 
                          PRICE RANGE OF COMMON STOCK
 
     The Common Stock is traded on the Nasdaq National Market under the symbol
"NEOG". The following table sets forth, for the fiscal periods indicated, the
high and low sales prices for the Common Stock as reported on the Nasdaq
National Market.
 
<TABLE>
<CAPTION>
                                                                                 HIGH      LOW
                                                                                 -----    -----
<S>                                                                              <C>      <C>
FISCAL YEAR ENDED MAY 31, 1995
  First Quarter...............................................................   $8.50    $6.63
  Second Quarter..............................................................    9.63     7.38
  Third Quarter...............................................................    8.25     5.88
  Fourth Quarter..............................................................    7.63     6.13
FISCAL YEAR ENDED MAY 31, 1996
  First Quarter...............................................................    8.00     5.88
  Second Quarter..............................................................    8.25     5.88
  Third Quarter...............................................................    6.25     4.63
  Fourth Quarter..............................................................    8.25     5.13
FISCAL YEAR ENDED MAY 31, 1997
  First Quarter...............................................................    9.00     6.38
  Second Quarter (through October 21, 1996)...................................    9.38     7.00
</TABLE>
 
     As of August 31, 1996, there were approximately 500 stockholders of record
of Common Stock which the Company believes represents a total of approximately
4,000 beneficial holders.
 
                                DIVIDEND POLICY
 
     The Company has never paid any cash dividends on its Common Stock and does
not anticipate paying any cash dividends in the foreseeable future. The Company
currently intends to retain future earnings to fund the development and growth
of its business. Any future distributions will be made at the discretion of the
Board of Directors of the Company and will depend upon the Company's operating
results, financial condition, capital requirements, general business conditions
and such other factors as the Board of Directors deems relevant. The Company is
currently prohibited from paying dividends or making other distributions to its
shareholders under a loan agreement with one of its lenders as long as there is
any outstanding indebtedness under such loan agreement. The Company's
subsidiaries are also prohibited from paying dividends or making other
distributions to the Company under such subsidiaries' loan agreements with their
lenders.
 
                                        8
<PAGE>   9
 
                      SELECTED CONSOLIDATED FINANCIAL DATA
 
     The following table sets forth selected consolidated financial data of the
Company for each of the fiscal years ended 1992 through 1996 and for the three
months ended August 31, 1995 and 1996. The selected consolidated financial data
for the five fiscal years in the period ended May 31, 1992 through 1996 are
derived from the Company's audited Consolidated Financial Statements. The
selected consolidated financial data for the three months ended August 31, 1995
and 1996 are derived from the Company's unaudited quarterly financial
statements. In the opinion of management, the three month financial data reflect
all adjustments (consisting only of normal recurring adjustments) necessary for
a fair presentation of such data. The results for the first three months of
fiscal 1997 are not necessarily indicative of the results to be expected for the
full year. The information below should be read in conjunction with the
Consolidated Financial Statements and the notes thereto and "Management's
Discussion and Analysis of Financial Condition and Results of Operations"
appearing elsewhere in this Prospectus.
 
<TABLE>
<CAPTION>
                                                                                              THREE MONTHS
                                                    YEARS ENDED MAY 31,                     ENDED AUGUST 31,
                                    ---------------------------------------------------    ------------------
                                    1992(1)    1993(1)    1994(1)    1995(1)    1996(1)    1995(1)    1996(1)
                                    -------    -------    -------    -------    -------    -------    -------
                                           (IN THOUSANDS, EXCEPT PER SHARE DATA)
<S>                                 <C>        <C>        <C>        <C>        <C>        <C>        <C>
INCOME STATEMENT DATA:
Revenues
     Diagnostic products.........   $2,511     $3,592     $ 6,804    $ 7,687    $ 8,921    $2,265     $3,405
     Veterinary instruments......    3,890      4,037       3,931      4,039      3,569       661        630
                                    -------    -------    --------   --------   --------   -------    -------
          Total revenues.........    6,401      7,629      10,735     11,726     12,490     2,926      4,035
Cost of goods sold...............    3,681      3,793       4,704      5,152      5,484     1,182      1,546
Selling, general and
  administrative expenses........    2,879      3,441       4,253      4,808      5,312     1,291      1,725
Research and development
  expense........................      768      1,028         856      1,136      1,238       321        348
Restructuring charges............       --         --          --         --        696        --         --
                                    -------    -------    --------   --------   --------   -------    -------
Income (loss) from operations....     (927)      (633)        922        630       (240)      132        416
Other income (expense)...........      108         94         (40)        73          3         6         (3) 
                                    -------    -------    --------   --------   --------   -------    -------
Net income (loss) before
  provision for income tax.......     (819)      (539)        882        703       (237)      138        413
Provision for income tax.........       --         --         (26)       (24)        (7)       (7)       (12) 
                                    -------    -------    --------   --------   --------   -------    -------
     Net income (loss)...........   $ (819)    $ (539)    $   856    $   679    $  (244)   $  131     $  401
                                    =======    =======    ========   ========   ========   =======    =======
Net income (loss) per common
  share..........................   $ (.21)    $ (.13)    $   .19    $   .15    $  (.05)   $  .03     $  .08
                                    =======    =======    ========   ========   ========   =======    =======
Weighted average common shares
  outstanding....................    3,881      4,041       4,521      4,675      4,514     4,695      4,770
</TABLE>
 
<TABLE>
<CAPTION>
                                                         MAY 31,                              AUGUST 31,
                                   ---------------------------------------------------    ------------------
                                   1992(1)    1993(1)    1994(1)    1995(1)    1996(1)    1995(1)    1996(1)
                                   -------    -------    -------    -------    -------    -------    -------
                                                     (IN THOUSANDS)
<S>                                <C>        <C>        <C>        <C>        <C>        <C>        <C>
BALANCE SHEET DATA:
Working capital.................   $5,242     $4,454     $5,452     $ 5,789    $ 5,235    $ 5,201    $ 5,659
Total assets....................    7,559      7,304      9,133      11,539     11,531     11,612     12,324
Long term debt, excluding
  current portion...............       53        111         15         351        279        332        261
Stockholders' equity............    6,369      6,069      7,653       8,836      8,858      8,974      9,355
</TABLE>
 
- -------------------------
(1) The periods presented in the Selected Consolidated Financial Data are not
    comparable due to a restructuring charge in fiscal 1996 and several
    acquisitions. See Notes 2 and 3 of the Notes to Consolidated Financial
    Statements.
 
                                        9
<PAGE>   10
 
                    MANAGEMENT'S DISCUSSION AND ANALYSIS OF
                 FINANCIAL CONDITION AND RESULTS OF OPERATIONS
 
     The following discussion and analysis should be read in conjunction with
the Company's Consolidated Financial Statements and the notes thereto appearing
elsewhere in this Prospectus.
 
RESULTS OF OPERATIONS
 
  Comparison of Three Months Ended August 31, 1996 and 1995
 
     Total revenues for the quarter ended August 31, 1996 were $1,109,000 or 38%
higher than the same quarter in 1995. Sales of diagnostic products were up
$1,213,500 in the first quarter representing an increase of 55% while sales of
veterinary instruments declined $31,000 or 5%. Contract revenues in the first
quarter decreased $73,500 or 94%.
 
     The significant increase in diagnostic product sales was primarily due to a
$684,000 or 120% increase in sales of the Company's diagnostic test kits for the
detection of vomitoxin. In early July 1996, a large portion of midwest winter
wheat was found to contain high levels of vomitoxin due to cool, rainy weather
conditions during the flowering stages of the grain. Although sales of vomitoxin
test kits should continue to run higher than the prior year for the remainder of
fiscal 1997, it is unlikely that sales will continue at the pace experienced in
the first quarter.
 
     The Company also experienced an increase in sales of $122,000 or 220% for
test systems to detect E. coli O157:H7 and salmonella. Approximately $37,000 of
this increase was due to international sales of E. coli test kits shipped to
Japan. The remaining increase is the result of a growing demand for test kits to
detect micro-organisms. Management believes that the July 1996 announcement of
new inspection and safety regulations for the meat and poultry industry
scheduled to begin implementation in January 1997, will have a positive effect
on future sales.
 
     The decline in veterinary instrument sales was due to depressed cattle
prices resulting in lower overall demand for durable veterinary instruments. In
management's opinion, the current down cycle in cattle prices should improve
over the remainder of this fiscal year. In addition, the Company has reorganized
its sales and marketing efforts for veterinary instruments which management
believes will favorably impact future sales for this segment.
 
     The decline in contract revenues for the first quarter of this year was
primarily due to scheduled completion in the second quarter of last year of two
contracts with the United States Department of Agriculture. It is common for
contract revenues to fluctuate from quarter to quarter and year to year
depending on timing and terms of the contracts.
 
     Cost of goods sold increased 31% as a direct result of the overall increase
in product sales. Expressed as a percentage of sales, cost of goods sold was 38%
in the first quarter of fiscal 1997 compared to 42% in the first quarter of
fiscal 1996. This improvement was due to a higher sales mix of diagnostic test
kits, increased labor productivity and better utilization of fixed overhead
costs for diagnostic products.
 
     Sales and marketing expenses increased $311,000 in the first quarter
compared to the prior year. Commissions and royalties expense increased $133,000
in the first quarter due to increased sales volume. Expenses for printing,
advertising and promotions related to sales activities for diagnostic products
increased $64,000 compared to the prior year. A total of $37,000 was due to
higher salaries, fringe benefits and travel costs associated with the hiring of
new salesmen and technical support personnel. The remaining increase is
primarily due to an increase in the provision for doubtful accounts.
 
     General and administrative expenses were $124,000 higher in the quarter
ended August 31, 1996 than the quarter ended August 31, 1995. Bonus accruals
increased $75,000 in the first quarter compared to last year based on improved
operating performance. Michigan Single Business Tax was $16,000 higher than the
prior
 
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<PAGE>   11
 
year due to increased profitability at the Company's Lansing, Michigan
operations. Salaries for clerical and accounting personnel increased $12,000 due
to higher sales volume. As a percentage of total revenues, general and
administrative expense declined to 14% in the first quarter compared to 15% last
year.
 
     Although research and development expense increased less than 10% in the
first quarter this year compared to the first quarter last year, management
believes that research and development is critical to the Company's future.
Accordingly, the Company expects its annual research and development expense for
the current fiscal year to approximate the same levels, expressed as a
percentage of revenue, as experienced in prior years.
 
     Other income (expense) was lower in the first quarter than last year
primarily due to the timing of recognition of the Company's share of royalties
paid to an affiliated partnership.
 
     Due to the substantial increase in sales volume for diagnostic products in
the first quarter, the Company posted net income of $.08 per share compared to
$.03 per share in the same period last year.
 
  Comparison of Fiscal Years Ended May 31, 1996 and 1995
 
     Total revenues for the year increased 7% due to a strong 20% increase in
sales of diagnostic products. Of the $1,429,000 increase in diagnostic product
sales, $608,000 was the result of a 15% increase in sales of test kits to detect
harmful mycotoxin residues in the feed, grain, and nut markets. Another $621,000
of the increase was due to 30% higher sales of test kits and reagents sold into
the pharmacologics and equine markets. The remainder of the increase was due to
a 164% increase in test kits to detect microorganisms in the meat and poultry
market.
 
     The increase in sales of diagnostic products was partially offset by a
decline in veterinary instruments sales. The decline in sales in this segment
was partially due to depressed cattle prices resulting in lower demand for
durable veterinary instruments. Sales representation that management believed
was unsatisfactory also contributed to the decline in sales causing the Company
to restructure its sales organization for veterinary instruments.
 
     Contract revenues decreased significantly in 1996 due to scheduled
completion of two contracts awarded to the Company in September 1994 by the
United States Department of Agriculture. It is common for contract revenues to
fluctuate from year to year depending on terms and timing of the contracts.
However, contract revenues in total are not significant to total revenues for
the Company.
 
     Expressed as a percentage of product sales, cost of goods sold was 44% in
1996 compared to 45% in 1995.
 
     The increase in sales and marketing expenses is principally due to higher
costs in two areas. Entry into the meat and poultry market resulted in
approximately $130,000 of increased expense spread across a number of categories
including salary, fringe, travel, printing, advertising, and trade shows.
Increases in cost for the same categories totaled $110,000 related to the
introduction of new products for the seafood and equine markets. Increases in
sales and marketing expenses for the feed, grain, and nut markets, primarily in
the areas of royalties, shipping expense, and special promotions, were almost
completely offset by lower commissions related to veterinary instruments sales.
The Company expects to continue to expand sales and marketing activities
primarily in areas related to diagnostic products for food safety.
 
     General and administrative expenses are higher as a result of several
items. A total of $55,000 of the increase is due to two extra months of
operations in 1996 than 1995 for AMPCOR Diagnostics, Inc. (ADI). Salary and
fringe expenses were up $150,000 as a result of new secretarial, accounting, and
clerical personnel needed to handle increased business volume. Amortization
expense was $40,000 higher than last year due exclusively to the acquisition of
certain assets of International Diagnostic Systems, Corp. (See Note 3 of the
Notes to Consolidated Financial Statements).
 
     The $102,000 increase in research and development cost is partially due to
$44,000 of added expense this year because of an extra two months of operations
at ADI compared to last year. The remainder of the increase is the result of
higher salaries, fringe, and supplies for research programs to develop new
diagnostic
 
                                       11
<PAGE>   12
 
test kits for the equine and pharmacologic markets and for the detection of
harmful bacteria. The Company considers investment in research activities
critical to the long-term future of the business.
 
     Restructuring charges recorded in the fourth quarter of 1996 pertain to
costs associated with discontinuance of the Company's electronic instrument
operations and reorganization of sales and marketing efforts for veterinary
instruments. (See Note 2 to Consolidated Financial Statements.) Liabilities
recorded at May 31, 1996 as a result of the restructuring program amounted to
$218,000 and are expected to be paid or settled during fiscal year 1997.
Management believes that the restructuring program places the Company in a
better competitive position to achieve future growth. The restructuring also
enables the Company to redirect manpower and financial resources to the more
profitable and faster-growing diagnostics business.
 
     Other income declined during 1996 primarily due to higher interest expense
as a result of increased balances outstanding for bank borrowings.
 
     The net loss for the year is primarily due to restructuring charges of
$695,000 recorded in the fourth quarter.
 
  Comparison of Fiscal Years Ended May 31, 1995 and 1994
 
     Diagnostic product sales increased $670,000 in 1995 compared to 1994. Sales
in this segment were up $797,000 due to the acquisition of AMPCOR Diagnostics,
Inc. (formerly AMPCOR, Inc.) effective August 1, 1994. In addition, sales for
the ELISA Technologies division consisting of pharmacological and animal drugs
of abuse diagnostic test kits increased $451,000 or 30% in 1995.
 
     The positive increase in sales for these two are as was partially offset by
a $593,000 reduction during 1995 in sales of diagnostic test kits for the
detection of vomitoxin. Management anticipated a decline in sales for vomitoxin
test kits in the current year as indicated in its 1994 annual report to
shareholders.
 
     The increase in veterinary instrument sales for 1995 compared to 1994 is
primarily due to a new customers who began ordering specialized needles and
punches in the first quarter of 1995.
 
     Contract revenues increased significantly in 1995 due to two contracts
awarded to the Company in September 1994 by the United States Department of
Agriculture. It is common for contract revenues to fluctuate from year to year
depending on terms and timing of the contracts. However, contract revenues in
total are not significant to total revenues for the Company.
 
     The increase in cost of goods sold for 1995 is the direct result of higher
sales volume, including acquisitions, compared to 1994.
 
     Sales and marketing expenses increased $449,000 or 16% in 1995 compared to
1994. Of this amount, $217,000 was due to a new marketing agreement with an
independent third party firm for the veterinary instrument product line. Another
$146,000 of the increase was the direct result of the acquisition of AMPCOR. The
remaining difference is due to increases in salaries and wages, advertising,
royalties and distribution costs pertaining to increased sales volume, and new
marketing programs for products sold by the ELISA Technologies division. The
Company intends to expand its sales and marketing activities for predictive and
diagnostic products primarily in the meat and poultry and seafood markets.
 
     The increase in general and administrative expenses is due to $223,000 of
costs generated by the operations of AMPCOR which was acquired effective August
1, 1994. This increase was partially offset by lower general and administrative
expenses at the Company's Lansing, Michigan-based operations due to lower
bonuses for employees in 1995 compared to 1994 and a reduction in legal and
professional fees.
 
     Research and development expenses were up $280,000 or 33% in 1995 compared
to 1994. A total of $185,000 was the result of research projects being conducted
at AMPCOR. The remaining difference is primarily due to higher salaries and
wages, contract services, and supplies related to several research projects for
new diagnostic products. Three of these projects are being funded via contracts
with the United States Department of Agriculture. The Company intends to
continue to expand its research activities for new predictive and diagnostic
products.
 
                                       12
<PAGE>   13
 
     Other income (expense) is $113,000 higher in 1995 than in 1994. In 1994,
the Company recorded a one-time $75,000 write-down to an investment in an
affiliated partnership to reflect current market value. Interest income is
$26,000 higher in 1995 due primarily to higher rates on invested funds. The
Company also recorded $72,000 in 1995 as its share of earned royalties paid to
an affiliated partnership. The positive effect of these items was partially
offset by $66,000 of higher interest expense in 1995 due to increased borrowings
and higher rates.
 
     Net income for the year ended May 31, 1995 declined by $177,000 compared to
1994 due primarily to increases in research and development expenditures.
 
FINANCIAL CONDITION AND LIQUIDITY
 
     At August 31, 1996, the Company had $2,389,000 in cash and equivalents,
working capital of $5,659,000 and stockholders' equity of $9,355,000. In
addition, the Company has bank lines of credit totaling $2,500,000, with
$1,029,000 borrowed against these lines as of August 31, 1996.
 
     Effective June 15, 1995, the Company acquired certain assets of
International Diagnostic Systems Corporation (IDS) of St. Joseph, Michigan (See
Note 3 of the Notes to Consolidated Financial Statements.) The purchase price
paid in fiscal year 1996 was approximately $680,000 in cash. A second and final
cash payment of approximately $53,000 was paid in July 1996.
 
     On August 17, 1994, the Company purchased substantially all of the assets
of AMPCOR, Incorporated, a New Jersey-based diagnostics company. The total
initial purchase price paid was approximately $1,871,000 consisting of $813,000
in cash (including acquisition costs), assumption of liabilities totaling
$733,000, and issuance of 55,763 shares of the Company restricted common stock
valued at $325,000. In connection with the acquisition, the Company entered into
a $400,000 term loan agreement and $600,000 line of credit facility,
subsequently increased to $1,000,000, with Comerica Bank (See Note 3 of the
Notes to the Consolidated Financial Statements). Proceeds from the term loan,
together with $256,000 borrowed against this line of credit, were used to pay
off certain liabilities assumed in the purchase of AMPCOR, Incorporated's
assets.
 
     The Company has no material commitments for capital expenditures at August
31, 1996. Inflation and changing prices are not expected to have a material
effect on the Company's operations.
 
     Prior to its 1994 fiscal year, cash required to sustain operations, retire
long-term debt, pay for capital expenditures, and fund acquisitions had been
primarily generated by proceeds from stock offerings. However, the Company was
profitable and did experience positive cash flows from operations in fiscal year
1994, was profitable again in 1995, and generated positive cash flows from
operations again in fiscal year 1996. Management believes this shows significant
progress toward achieving consistently positive cash flows from operations on an
annual basis. Management also believes that the Company's existing cash and cash
equivalents at August 31, 1996, along with its available bank lines of credit,
and the proceeds of this offering will be sufficient to fund normal operations
for the foreseeable future. Such funds may not be sufficient to meet the
Company's longer term cash requirements to commercialize products currently
under development or its plans to acquire additional technology and products
that fit within the Company's mission statement. Accordingly, the Company may be
required to issue equity securities or enter into other financing arrangements
for a portion of the Company's future capital needs.
 
                                       13
<PAGE>   14
 
                                    BUSINESS
 
GENERAL
 
     Neogen Corporation develops, manufactures, and markets a diverse line of
products used to detect residues and improve quality for the agriculture, food,
pharmacologics and environmental industries. The Company's products are grouped
into two areas, diagnostic test kits and veterinary instruments. The Company's
diagnostic test kits aid in the detection of foodborne bacteria, natural toxins,
drug residues, pesticide residues, disease infections and quality aspects. These
diagnostic test kits are less expensive, easier to use and provide greater
accuracy and speed than many of the conventional diagnostic methods currently
being used. The Company's veterinary instrument product line assists in the
promotion of animal health principally through the delivery of more precise drug
treatments such as antibiotics and vaccines.
 
     The Company has developed and markets over 140 diagnostic test kits used in
food safety, plant diseases, animal health, pharmacologic research and a limited
number of products for human clinical use. These tests are generally immunoassay
products that rely on the Company's proprietary antibodies capable of the
detection of residues allowing for rapid and accurate test results. All of the
Company's diagnostic test kits are disposable, single use products. The Company
has developed its diagnostic test kits so they can be utilized across multiple
market segments. The Company's Ideal Instruments subsidiary manufactures and
markets over 250 different veterinary instrument products used to administer
animal health and in obstetrics and surgery.
 
     The Company's vision is to become a world leader in diagnostic development
and marketing. To meet this vision, the Company has developed a growth strategy
consisting of the following elements: (i) increasing sales of existing products;
(ii) introducing new products and product lines; (iii) expanding international
sales; and (iv) acquiring business and forming strategic alliances.
 
     The Company was formed as a Michigan corporation in June 1981 and actual
operations began in 1982. The Company's principal executive offices are located
at 620 Lesher Place, Lansing, Michigan 48912-1595 and its telephone number is
(517) 372-9200.
 
RECENT DEVELOPMENTS
 
  First Quarter Results
 
     The Company's revenues in its first quarter ended August 31, 1996 were 38%
greater than its revenues for the same quarter in the previous year. These sales
were led by an increase in the Company's diagnostic test kits for the detection
of vomitoxin in wheat, due to a major outbreak of this fungal-related, natural
toxin in the central and upper midwest states of Ohio, Indiana, Michigan,
Wisconsin, North and South Dakota and Minnesota. This toxin is not regulated as
a human pathogen, but its presence affects the quality of flour and feed
intended for animal use.
 
  Japanese E. Coli Outbreak
 
     The severe outbreak of infections from the bacteria E. coli O157:H7 in
Japan in July 1996 also had an impact on the Company's diagnostic sales. Company
management believes these sales opportunities will continue to grow as the
Japanese government now considers mandating E. coli O157:H7 testing in all of
its meat processing plants.
 
  New U.S. Meat Regulations
 
     Federal regulations concerning food safety and food adulteration have had a
favorable impact on the sales of several of the Company's diagnostic products,
and management believes this impact will be even greater in the future. In July
1996, the U.S. Department of Agriculture's Food Safety Inspection Service
adopted a final rule governing federally inspected meat and poultry processing
plants, and businesses outside the U.S. which export meat and poultry into the
U.S. This rule and accompanying regulations will require mandatory testing for a
number of hazardous adulterants that may affect the safety of meat and poultry.
Though these
 
                                       14
<PAGE>   15
 
regulations do not begin to become effective until January 1997, management
expects them to have a positive impact on sales of several of the Company's
diagnostic test kits, such as the one to detect salmonella.
 
  New U.S. Seafood Regulations Issued
 
     In December 1995, the U.S. Food and Drug Administration issued a final rule
concerning the procedures required for safe and sanitary processing and
importing of fish and fishery products. This rule and accompanying regulations
have had no material effect on the Company's diagnostic revenues to this point,
since the rule does not become effective until January 1998. However, Company
management believes these regulations could have a positive impact on future
sales for its seafood marketing group, since the U.S. seafood industry has not
previously been subject to mandatory inspection.
 
  Salmonella Test Approved
 
     In September 1996, the Company was awarded an approval and certification
for its diagnostic test kit for the detection of salmonella by the Association
of Official Analytical Chemists -- Research Institute. This is a third party
test validation organization which is recognized on a worldwide basis.
Management believes this certification will further enhance sales of this
disposable diagnostic test kit.
 
  New Distributorship Signed
 
     In September 1996, the Company entered into a distribution agreement with
Merck KGaA to become the exclusive distributor to the U.S. food processing
industry for that company's test to determine the level of plant sanitation.
Marketed under the trade name Hy-Lite(R), the test detects the presence of any
living cells as an indication of whether processing equipment and other surfaces
have been properly cleaned and sanitized. The test requires less than 10 minutes
to conduct and is portable enough to be used at the site where cleaning is
taking place.
 
  Restructuring Program Announced
 
     In June 1996, the Company announced a restructuring program for certain
operating divisions. As part of the restructuring plan, the Company discontinued
its electronic instrument operations and implemented a reorganization of sales
and marketing activities related to veterinary instruments. The restructuring
program was designed to better position the Company over the long term to
compete more efficiently and increase market share. In connection with the
restructuring plan, the Company incurred a one-time charge of $696,000, or $.15
per share, in the fourth quarter of fiscal 1996. See Note 2 of the Notes to
Consolidated Financial Statements.
 
ACQUISITIONS
 
     A part of the Company's growth strategy has been to acquire products and
businesses that provide the Company with access to technology or products with
which to expand its core business. Since 1982, the Company has made several such
acquisitions. The information below summarizes acquisitions completed in the
past three years.
 
  International Diagnostic Systems Corporation
 
     In June 1995, the Company acquired certain assets of International
Diagnostic Systems Corporation of St. Joseph, Michigan. The Company acquired
inventory and technology for 35 different diagnostic tests used to detect drugs
of abuse in animals. The business was moved to the Company's ELISA Technologies
division in Lexington, Kentucky.
 
  AMPCOR, Incorporated
 
     In August 1994, the Company, through its wholly owned subsidiary, AMPCOR
Diagnostics, Inc., acquired substantially all of the assets of AMPCOR,
Incorporated of Camden, New Jersey. The Company relocated the business to larger
facilities in Bridgeport, New Jersey and maintained most of the former company's
products and employees. The products and technologies allowed the Company to
make a strong entry into the market for the rapid detection of foodborne
bacteria.
 
                                       15
<PAGE>   16
 
  Enzytec, Incorporated
 
     In October 1993, the Company acquired substantially all the assets of
Enzytec, Incorporated of Kansas City, Missouri. All acquired assets, consisting
of inventory, patent licenses and furniture and fixtures, were moved to the
Company's Lansing, Michigan operations and integrated with existing
manufacturing and marketing efforts. This acquisition provided the Company with
products and technology necessary to detect pesticides in food and in the
environment.
 
BUSINESS STRATEGY
 
     The Company's vision is to become a worldwide leader in offering diagnostic
and detection products to the food, environmental and related markets. The
Company expects to expand its diagnostics and detection products and increase
its market penetration of veterinary instruments with a focus on new delivery
devices to minimize animal trauma and reduce the likelihood of drug residues in
meat and milk products. The Company's strategy to achieve these objectives
includes the following:
 
          - Increased Sales Of Existing Products. The Company will continue to
     expand its product offering in multiple market segments. The Company
     focuses on selling its products into seven market segments: grain, nut and
     spice processors; meat, poultry and egg processors; seafood processors;
     animal producers; fruit and vegetable producers/processors; human clinical
     and pharmacologic research; and private and public laboratories. The
     Company has generally developed its diagnostic test kits so they can be
     utilized across multiple market segments. This strategy has allowed the
     Company to become the market leader in diagnostic products for the grain,
     nut and spice processing industry and in diagnostic tests for the detection
     of drugs in animals. Further, the Company has devoted significant resources
     to take advantage of recent changes in testing requirements for the meat,
     poultry and egg, and seafood processor markets.
 
          - Introduction Of New Products. The Company has a continued commitment
     to research and development programs and has invested approximately 10% of
     revenues in this area over the past two years. The Company plans to
     continue to leverage its own internal research and development efforts
     through strategic relationships with other organizations and important
     government contracts and grants. The majority of the Company's new product
     development is focused on expanding disposable product offerings to the
     Company's current markets, which offers the opportunity to generate repeat
     sales. In fiscal 1996, approximately 70% of the Company's total revenue was
     generated from sales of these disposable products. Further, the Company's
     strategy is to develop new products that generally utilize the Company's
     existing, proven technology base that is already well accepted by existing
     customers.
 
          - Expansion Of International Sales. The Company believes that the
     demand outside the United States for disposable diagnostic test kits such
     as those manufactured by the Company is at least equal to demand in the
     United States. As such, the Company will continue to emphasize
     international sales as an important factor in its growth. In fiscal 1996,
     21% of the Company's total revenue was derived from international sales. A
     majority of these sales came from South and Central America where the
     Company has an established distribution system. While the Company expects
     its business in the South and Central American markets to continue to grow,
     it plans to devote additional resources to the Asian and European markets
     as a new source of international sales. The Company is developing
     distribution channels to take advantage of these markets where there is a
     growing need for diagnostic test kits such as those manufactured by the
     Company.
 
          - Acquisitions And Strategic Alliances. In the past, the Company has
     expanded its product offerings and technology base through several
     acquisitions. It also seeks to expand its products through licensing and
     distribution agreements demonstrated through its license with the U.S.
     Department of Agriculture for specific antibodies and a recently completed
     distribution agreement with Merck KGaA for U.S. distribution of its test
     kit for the detection of proper sanitation. The Company plans to continue
     to aggressively pursue strategic acquisitions, and licensing and
     distribution agreements to enhance its position in its existing markets
     where it is more cost effective to use these strategies rather than to rely
     solely on internal development of new products.
 
                                       16
<PAGE>   17
 
INDUSTRY OVERVIEW
 
     Detection and diagnostic tests are used in a broad range of applications,
including food safety, environmental safety, plant health and animal health. In
the plant-related food area, tests are used to detect the presence of harmful
plant diseases, pesticide residues, naturally-occurring toxins, foodborne
bacteria and numerous general areas of quality such as fats, proteins and
vitamins. In the area of animal and seafood-related food products, detection and
diagnostic tests are used to detect the presence of diseases, harmful
contaminants in animal feeds, foodborne bacteria, natural toxins, drug residues
and a number of aspects of quality including proper cooking and protein
composition.
 
     Industry consulting groups have estimated the total market for testing of
food and environmental safety will be in the range of $500 million by the year
2000. They estimate that a significant portion of this potential market is
represented by firms not testing and tests that are not currently being
conducted. Another significant portion of the market is represented by older,
traditional methods utilizing laborious microbiological techniques, or time
consuming, and expensive, chemical analysis. Management believes that a
significant portion of this market potential will shift to rapid, easy to use
and inexpensive, test systems such as those produced by the Company. These tests
allow the food and agricultural industries to conduct tests on-site with less
skilled technicians and a considerably reduced investment in laboratory
equipment. More importantly, the rapid test systems can provide results in hours
rather than days and reduce the likelihood of unsafe food reaching the food
distribution systems.
 
COMPANY MARKETS
 
     The Company has focused its strategy on the food safety market with its
diagnostic products. The Company is marketing and developing several types of
diagnostic tests to aid each of the individual food market areas in detecting
natural toxins, drug residues, foodborne bacteria, pesticide residues, disease
infections and quality aspects. The Company's products are sold into the
following seven definable market segments:
 
     Grain, nut and spice processors. These commodities generally serve as the
foundation of the food chain. Therefore, it is important to determine their
quality on a daily basis. Over 1.8 billion tons of grain are harvested and
stored each year throughout the world. Corn, wheat, barley, oats, milo, rice,
oil seeds and various other minor grain products become the principal ingredient
for a multitude of food industries. A large variety of nuts, along with spices,
chocolate, coffee and tea, are also almost universally consumed. The safety of
these ingredients is a significant source of concern for snack food producers,
pasta manufacturers, flour millers, bakeries, baby food producers, brewers,
distillers and cereal manufacturers, just to name a few of those whose
livelihood depends upon the abundance of safe ingredients. The world's
production of pork, chicken, turkey, eggs and a major portion of the beef supply
also depends on quality grains.
 
     The Company's diagnostic tests are used throughout these industries to
monitor for the presence of harmful natural toxins, pesticides and foodborne
bacteria. The Company generally defines this market as being from the time the
products leave the farm gate until they reach the consumer's plate.
 
     Residues of a number of these adulterants are controlled by regulatory
agencies such as the U.S. Department of Agriculture and the U.S. Food and Drug
Administration. The Company has an exclusive supply agreement with the Federal
Grain Inspection Service to supply aflatoxin test kits that are used to screen
for the presence of this natural toxin for most grain crops that are shipped
from the U.S. The Company's test kit for vomitoxin, another of the naturally
occurring toxins, is also widely used by regulatory agencies.
 
     Management believes it is the leader in the sale of disposable diagnostic
tests to the grain, nut and spice industries and has a larger selection of
products available to these industries than any of its competitors.
 
     Meat, Poultry and Egg Processors. People all over the world have become
increasingly aware of the dangers foodborne bacteria can cause in meat and
poultry products. These pathogens cause illness in over 6.5 million people,
resulting in over 9,000 deaths in the U.S. annually, according to the Centers
for Disease Control and Prevention.
 
                                       17
<PAGE>   18
 
     According to the U.S. Department of Agriculture, there are approximately
114 million cattle, hogs and lambs slaughtered in the U.S. each year and over
840 million chickens are processed in the U.S. annually. The principal concern
for meat, poultry and egg safety is contamination by foodborne bacteria. Meat
often moves through several processing operations before reaching the consumer.
In addition to the carcass conversion plants, meat is typically handled again in
further processing and by food service and retail establishments. Foodborne
bacteria can be introduced at any one of these processing operations.
 
     Management believes that the meat and poultry group has the best
opportunity currently to contribute to the Company's growth. The Company offers
tests for the bacteria E. coli O157:H7, salmonella, and a test to determine the
general level of plant sanitation. Company scientists are developing additional
tests for the meat and poultry markets and expect to have two new foodborne
bacteria tests available before the end of the 1997 fiscal year. Some of the
Company's tests that were originally developed to detect drugs of abuse in
racing animals are also being used to detect the presence of these same drugs in
meat.
 
     A major reorganization in testing procedures by the U.S. Department of
Agriculture's Food Safety Inspection Service was announced in July 1996.
Beginning in January 1997 these new regulations will begin to become mandatory
for all meat and poultry plants in the U.S. according to an adoption schedule
that will continue through January 2000. These new regulations will mandate
certain bacteria testing by all inspected plants, and the programs will
encourage the use of a number of other rapid tests, such as those produced by
the Company.
 
     Seafood Processors. The U.S. seafood industry records sales in excess of
$29 billion each year. Seafood is known to cause foodborne illnesses as a result
of both natural toxins and bacteria. At present, the U.S. seafood industry does
not have mandatory inspection requirements before its products can be marketed.
However, in December 1995, the U. S. Food and Drug Administration issued final
rules that will establish mandatory inspection programs for this industry in the
U.S. Though the final rules will not be in full force until January 1998, the
industry is now beginning to implement quality control procedures that will
include the use of rapid diagnostic tests similar to those manufactured by the
Company. The tests include a general sanitation rapid test to help seafood
processors ensure that processing equipment is adequately cleaned on a daily
basis to prevent product contamination. Other tests are used to detect the
presence of salmonella and histamine, natural toxins that can result in serious
illness or death.
 
     A significant portion of the world's seafood supply now comes from
aquaculture production rather than wild harvest. These producers and processors
must also be concerned about the possibilities of pesticide contamination from
runoff water into their production areas and residues of drugs that may have
been used to ensure fish health.
 
     Animal Producers. The animal production industry promotes food safety even
while the animal is inside the farm gate. The Company's Ideal Instruments
subsidiary manufacturers and markets 250 different products that are used to
administer animal health. A number of these products have been developed to
provide more precise drug delivery. These instruments help minimize the presence
of animal health drugs that might find their way into the meat and milk supply.
Because the instruments are better engineered, they also minimize mechanical
injuries to muscle tissue which reduces the chance for infection.
 
     The Company also markets a vaccine and a line of topical products that are
sold to the professional equine market. The Company's line of diagnostic tests
to detect drugs in animals are sold virtually throughout the world to detect the
presence of drugs of abuse in racing animals. Most racing jurisdictions perform
post-race tests on horses and greyhounds to make certain the animals'
performance was not altered intentionally by some drug.
 
     Many integrated poultry and livestock producers also use the Company's
diagnostic tests to detect harmful residues in animal feeds. These residues can
affect overall production efficiencies.
 
     Fruit and Vegetable Producers/Processors. The value of fruit and vegetable
production in the U.S. alone is estimated at $15 billion annually. As with
animals, significant portions of food safety begin inside the farm gate where
plant production takes place. The Company manufactures and markets a group of
diagnostic tests that are used by fruit and vegetable producers as well as
greenhouse and ornamental plant producers to detect
 
                                       18
<PAGE>   19
 
the presence of certain infectious diseases. These diseases affect crop
production and can play a major role in the quality and safety of the final food
products. As an example, the Company markets a diagnostic test for the detection
of several fungal diseases, including the disease that causes black rot in
potatoes. These potatoes may appear perfectly healthy, but once they reach the
processor or consumer a tell-tale black spot will be found in the center of the
potato.
 
     The Company's test kits help ensure the quality and safety of final plant
products and also help the producer limit the amount of pesticides applied
during the production cycle. This helps reduce the likelihood of pesticide
residues in final food products.
 
     This industry's testing arises from the potential presence of harmful
residues that might affect the safety of its products. The residues that require
rapid and inexpensive test kits include foodborne bacteria, natural toxins, and
pesticides. Several of the Company's products meet these industry needs and
others are being developed. The Company began this year building the sales and
marketing organization to serve this industry and management expects product
demand will grow over the next several years.
 
     Human Clinical and Pharmacologic Research. The Company sells a limited
number of products used in clinical medicine and by the pharmaceutical research
industry. Since these products can be manufactured in the same facilities,
utilizing the same equipment and personnel, the Company has continued to support
this market activity.
 
     As the Company continues to develop diagnostic tests for the detection of
foodborne bacteria, it foresees an opportunity to introduce these products into
the human clinical market. For example, the same test used to detect the
presence of salmonella in a food product can also be used clinically to
determine if a patient is suffering from a salmonella infection. The market for
human clinical test products is well-established and is served by a number of
mature, well-capitalized firms. As a result, the Company does not intend to
enter into this market by itself, but expects to pursue opportunities in this
market only by means of strategic alliances and joint ventures with companies
presently in the market.
 
     As a part of its immunoassay diagnostics test development programs, the
Company has discovered methods to manufacture unique, stable enzymes used in
test color development. The Company now markets these products to research
laboratories and other commercial diagnostic kit manufacturers around the world.
 
     The Company does not anticipate being a major factor in these markets.
However, its current products are profitable and synergistic to the Company's
other manufacturing activities.
 
     Private and Public Laboratories. Private laboratories purchase diagnostic
tests from the Company to provide testing services to most of the market areas
indicated in this section. These private laboratories perform tests for firms
which do not wish to do their own testing internally. Public laboratories
generally use the Company's test for regulatory purposes. As an example, the
U.S. Department of Agriculture uses several of the Company's natural toxin test
kits to determine the quality and safety of grain products. The Company's test
kit for the detection of E. coli O157:H7 is used by the Food Safety Inspection
Service to monitor for the presence of this harmful bacteria in a number of
laboratory locations. The Company's bacteria tests are used by government animal
pathology labs to aid in determining causes of animal health problems, and plant
tests are used in regulatory labs to aid in plant quarantine situations.
 
                                       19
<PAGE>   20
 
PRODUCTS
 
     The Company's products are grouped into two areas: disposable diagnostic
test kits and veterinary instruments. The test kit products are generally the
result of biotechnology discoveries that allow customers to detect natural
toxins, bacteria, drugs, pesticides and determine general quality
characteristics. These products are the result of efforts by chemists,
microbiologists and immunologists. The Company's veterinary instruments are the
result of engineering and manufacturing expertise to develop safe, unique and
durable metal instruments.
 
  DIAGNOSTIC TEST KITS
 
     The Company has developed and markets over 140 separate diagnostic test
kits used in food safety, plant diseases, animal health, pharmacologic research
and a limited number of products for human clinical use. These tests are
generally characterized as immunoassay products that rely on the Company's
proprietary antibodies capable of detecting these analytes at the parts per
billion levels. All the products are single use and allow customers to conduct
tests more rapidly than with older conventional testing methods. The test kits
are also less expensive, require less laboratory equipment and less technical
capabilities than conventional testing methods.
 
     Food Safety. Several of the Company's food safety test kits are aimed at
the detection of harmful foodborne bacteria. By monitoring for these bacteria,
food processors can minimize their potential impact. These tests are marketed
under the Company's tradename, Reveal(R). Current tests in this one-step simple
format are used to detect the presence of salmonella and E. coli O157:H7.
Company scientists are also developing test kits for other harmful bacteria that
are expected to be completed during the current fiscal year. Through a marketing
agreement with Merck KGaA, the Company also has the distribution rights to the
U. S. food industry for Merck's product, HY-LITE(R), which is used to detect
general plant sanitation levels.
 
     The Company's Veratox(R) and Agri-Screen(R) diagnostic tests are used by
the food industry to detect levels of naturally occurring toxins. These products
include both qualitative and quantitative tests for aflatoxin, vomitoxin, T-2
toxin, zerealenone, ochratoxin and fumonisin. Other natural toxin tests are
being developed to detect toxins of concern in fruits and vegetables.
 
     The Company's Agri-Screen Ticket(R) test is used by the food industry to
detect harmful residues of a large number of plant pesticides.
 
     Plant Diseases. Marketed under the tradename Alert(R), the Company has
several diagnostic tests that are used to detect plant diseases that affect crop
production as well as the quality and safety of the ensuing food products. These
quick 10 minute tests identify the presence of Pythium, Phytophthora,
Rhizoctonia, Xanthamonas and Sclerotina. The kits are used as an early detection
device, and as a tool to limit fungicide applications.
 
     Animal Health. Under the ELISA Technologies(R) tradename, the Company
markets over 50 high sensitivity immunoassay tests for drugs of abuse in animals
and residues in meat. These include tests for narcotic analgesics, stimulants,
depressants, tranquilizers, anesthetics, steroids and diuretics.
 
     The Company also has developed a test kit for the detection of a
proprietary drug used to control internal parasites. This test kit allows
poultry producers to monitor for the effective level of this drug as a feed
additive. The Company's tests for bacteria and natural toxins are also used by
producers to ensure animal health.
 
     Other Diagnostic Tests. Marketed under the AMPCOR(R) label, the Company has
15 different diagnostic tests used by the human clinical market for the
detection of serology disorders and a sexually transmitted disease.
 
     Sold under its ELISA Technologies tradename, the Company has several
products used for the detection of biologically active substances in humans by
researchers and pharmaceutical companies for biomedical research purposes. These
tests are used to detect cyclic nucleotides, hormones, leukotrienes,
prostaglandins and steroids. Under the trademarks K-Blue and K-Gold, the Company
sells reagents used by others in diagnostic test kit manufacturing.
 
     Sales of this class of products accounted for approximately 62%, 63% and
70% of the Company's total revenues for fiscal years 1994, 1995 and 1996,
respectively.
 
                                       20
<PAGE>   21
 
  VETERINARY INSTRUMENTS
 
     Through its wholly-owned subsidiary Ideal Instruments, Inc. ("Ideal"), the
Company markets a complete line of veterinary instruments and animal health
delivery systems. Ideal offers approximately 250 different products, over half
of which are instruments used to deliver animal health products such as
antibiotics and vaccines. Most of the remaining instruments are used in
obstetrics and surgery. Included among these products is a line of disposable
syringes and needles presently custom manufactured and imported by Ideal.
 
     The veterinary instruments product line is designed to provide better
control of animal health products, thereby reducing the likelihood of antibiotic
and pharmaceutical residues contaminating meat or milk products. At the same
time, the use of quality, high precision delivery instruments helps producers
improve efficiency.
 
     In fiscal years ended May 31, 1994, 1995 and 1996, sales of veterinary
instruments as a percentage of total revenues were 37%, 34% and 29%,
respectively.
 
                                       21
<PAGE>   22
 
     Please refer to the following table for a summary of the Company's
principal products and tradenames available for the various markets.
 
<TABLE>
<CAPTION>
- -----------------------------------------------------------------------------------------------
MARKETS                                PRINCIPAL PRODUCTS                 TRADENAMES
- -------------------------------------  ---------------------------------  ---------------------
<S>                                    <C>                                <C>
 Grain, Nut, Spice Processors          Natural Toxins -- Quantitative --  Veratox(R)
                                       6                                  Agri-Screen(R)
                                       Natural Toxins -- Qualitative --   Agri-Screen Ticket(R)
                                       6                                  HY-LITE(R)(1)
                                       Pesticide Test                     Reveal(R)
                                       General Sanitation Test
                                       Bacteria Tests -- 2 bacteria
- -----------------------------------------------------------------------------------------------
 Meat, Poultry, Egg Processors         Bacteria Tests -- 2 bacteria       Reveal(R)
                                       Animal Drug Tests -- 5 drugs       Agri-Screen(R)
                                       General Sanitation Test            HY-LITE(R)(1)
- -----------------------------------------------------------------------------------------------
 Seafood Processors                    Bacteria Tests -- 2 bacteria       Reveal(R)
                                       Drug Test                          Insight(R)
                                       General Sanitation Test            HY-LITE(R)(1)
                                       Natural Toxin                      Alert(R)
- -----------------------------------------------------------------------------------------------
 Animal Producers                      Veterinary Instruments -- 250      Ideal(R)
                                       Feed Additive Test                 Coxistat(R)-Elisa(2)
                                       Mycotoxin Tests -- 6               Agri-Screen(R)
                                       Equine Vaccine                     Bot Tox B(R)
                                       Bacteria Tests -- 2                Reveal(R)
                                       Topical Compounds -- 6             Gold Nugget(R)
                                       Animal Drugs Tests -- 55           ELISA Technologies(R)
- -----------------------------------------------------------------------------------------------
 Fruit--Vegetable                      Plant Disease-Qualitative -- 5     Alert(R)
   Producers--Processors               Plant Disease-Quantitative -- 4    Agri-Screen(R)
                                       Bacteria Tests -- 2                Reveal(R)
                                       Pesticide Test                     Agri-Screen Ticket(R)
                                       General Sanitation Test            HY-LITE(R)(1)
- -----------------------------------------------------------------------------------------------
 Clinical and Pharmacologics           Biologically Active Substances --  ELISA Technologies(R)
                                       35                                 K-Gold(TM)
                                       Substrate Reagents -- 2            K-Blue Substrate(R)
                                                                          AMPCOR(R)
                                       Serology Tests -- 5                Reveal(R)
                                       Enteric Bacteria -- 2
- -----------------------------------------------------------------------------------------------
 Private and Public Laboratories       Natural Toxins -- 6                Veratox(R)
                                       Bacteria Tests -- 2                Reveal(R)
                                       Animal Drug Tests -- 55            ELISA Technologies(R)
                                       Plant Disease -- 5                 Alert(R)
                                       Biologically Active Substances --  ELISA Technologies(R)
                                       35                                 AMPCOR(R)
                                       Serology Tests -- 5
- -----------------------------------------------------------------------------------------------
</TABLE>
 
(1) Registered trademark of Merck KGaA
 
(2) Registered trademark of Pfizer
 
                                       22
<PAGE>   23
 
RESEARCH AND DEVELOPMENT
 
     The Company maintains a strong commitment to research and development. The
Company's product development efforts are focused on the enhancement of existing
product lines in development of new products based on the Company's existing
technologies. The Company employs 17 individuals in its research and development
department, including immunologists, chemists, engineers and microbiologists.
Research and development expenditures were approximately $856,000, $1.1 million
and $1.2 million, representing 8%, 10% and 10% of total revenues in fiscal 1994,
1995 and 1996, respectively. The Company currently intends to maintain its
research and development expenditures at approximately 10% of total revenues.
 
     The Company has ongoing development projects for new immunoassay diagnostic
tests for the food safety and pharmacologics markets, as well as development
projects for new and improved veterinary instruments. Current and ongoing
research and development projects include:
 
     U.S. Department of Agriculture Grant. The Company continues to work on a
grant from the U.S. Department of Agriculture for the development of a
time-temperature test device. This simple device, if perfected, could be used
for accurate assessment or monitoring of a fast-food restaurant's cooking
process and equipment. Research on this project is expected to continue
throughout fiscal 1997. There can be no assurance that this product will
ultimately be successfully developed or marketed.
 
     Collaboration with Academic Institutions. Since its inception, the Company
has identified a substantial amount of applied research in its area of interest
at universities that has been developed by researchers. The Company has worked
with over 45 scientific collaborators associated with 17 academic institutions.
The Company utilizes these relationships in three strategic ways: (i) the
technology is transferred from the scientist or university to the Company for
the completion of development from the precursor findings or laboratory
prototypes; (ii) the Company seeks out and contracts with university researchers
to aid its own staff in a part of the development activities for products
previously identified by the Company; and (iii) new products developed by the
Company are tested in laboratories on a widespread geographic basis prior to the
products' market release. The Company believes its research strategy has enabled
it to produce better products, faster and more cost effectively than if the
research, development and testing were done exclusively by Company employees in
Company facilities.
 
     Other Collaboration Efforts. Portions of certain technologies utilized in
some products marketed by the Company were acquired from or developed in
collaboration with affiliated partnerships, independent scientists, governmental
units, universities, and other third parties. The Company has entered into
agreements with these parties which provide for the payment of royalties based
upon sales of products which utilize the pertinent technology. For fiscal 1994,
1995 and 1996, royalty payments under these agreements amounted to $476,159,
$521,690 and $579,045, respectively.
 
SALES AND MARKETING
 
     The Company has chosen to organize its sales efforts according to market
segments rather than by product or geographic orientation. Management believes
that this strategy has been partially responsible for its revenue growth and
market share increases. The Company's sales and technical service organizations
understand their customers' businesses and are knowledgeable on how the
Company's various products can be used within those industries. Close
relationships built with these individual customers also help the Company
identify new diagnostic test products that can be useful.
 
     During the fiscal year ended May 31, 1996, the Company had in excess of
1,000 customers for its products. Since many of these customers are
distributors, the total number of end users of the Company's products is
considerably larger. Sales to international markets in fiscal 1996 accounted for
21% of the Company's consolidated revenues. See Note 9 of the Notes to the
Company's Consolidated Financial Statements. No single distributor or customer
accounted for more than 10% of the Company's revenues in any of the past three
years.
 
     The Company markets, sells and services its products in more than 70
countries through its own sales force, as well as through distributors in
certain geographic areas. Forty-nine people, or approximately 30% of
 
                                       23
<PAGE>   24
 
the Company's total employees, are engaged in these sales and marketing
activities. The Company operates its sales and distribution organization
differently for given markets and products as summarized below:
 
     Food Diagnostic Products. The Company has separately organized sales forces
that focus on the key industries in the food area. This group handles both sales
and technical services of the Company's disposable test kits. These products are
all sold directly to end-users in the U.S. Sales organizations are maintained
for: grain, nut and spices; meat, poultry and eggs; fruits and vegetables; and
seafood.
 
     Veterinary Instruments. The animal health distribution market is well
organized in most countries of the world. Consequently, the Company markets
virtually all of its veterinary instruments through a network of domestic and
international distributors. These distributors typically market pharmaceutical
and biological products that are companions to veterinary instruments. The
Company has a sales force specifically dedicated to sales of this product line
through the distributor channels.
 
     Clinical And Pharmacologic Biomedical Research. The Company does not
anticipate being a major factor in the marketing of products used in the human
clinical and pharmaceutical research areas. However, several products are
included in the Company's array of diagnostic tests as a result of acquisitions.
These products are profitable and synergistic to the Company's other
manufacturing activities. A separate sales organization is responsible for this
product group and sells through distributors and to large end users.
 
     International Sales. Virtually all of the Company's sales to customers
outside of the U.S. and Canada are through well established distributors who
typically market the Company's products as well as other products that are used
by the same customer base. The Company's distribution organization is stronger
in the South and Central American countries than in Europe or Asia since this
geographic area was the Company's first focus. The Company is currently pursuing
distribution channels in Europe and Asia to increase sales. The Company does not
maintain sales offices outside the U.S.
 
PROPRIETARY PROTECTION AND APPROVALS
 
     The Company applies for patents and trademarks whenever appropriate. Since
its inception, the Company has acquired and received 20 patents and 24
trademarks, and has several pending patents and trademarks. The patents expire
at various times over the next 20 years, beginning in 1997.
 
     The Company has no material pending litigation as to proprietary rights to
its products which poses a significant threat to its operations, and management
believes that the Company has adequate protection as to proprietary rights for
its products. However, the Company is aware that substantial research in
agricultural biotechnology has taken place at universities, governmental
agencies and other companies throughout the world and that numerous patent
applications have been filed and that numerous patents have been issued. In
addition, patent litigation (none involving the Company or its products)
currently exists with respect to fundamental agricultural biotechnology and
biochemistry. Accordingly, there can be no assurance that the Company's existing
patents will be sufficient to protect completely the Company's proprietary
rights.
 
     The Company uses trade secrets as proprietary protection in numerous of its
diagnostic products. In many cases, the Company has developed unique antibodies
capable of detecting residues in minute levels. The supply of these antibodies,
and the proprietary techniques utilized for their development, oftentimes offer
better protection than the filing of patents. Such proprietary reagents are kept
in secure facilities and stored in more than one location to circumvent their
destruction by natural disaster.
 
     One of the major areas affecting the success of biotechnology development
involves the time, costs and uncertainty surrounding regulatory approvals.
Currently, the only Company products requiring regulatory approval are Bot
Tox-B(R) and serological test kits sold to human clinical laboratories (which
were acquired via the Company's acquisition of AMPCOR, Incorporated). On a
combined basis, sales for these products amounted to less than 10% of total
sales in fiscal year 1996. The Company's strategy is to select products on the
fringe of regulatory approval areas which do not require mandatory approval to
be marketed.
 
     The Company does utilize third party validations on many of its disposable
test kits as a marketing tool to provide its customers with the proper
assurances. These include validation by the Association of Official Analytical
Chemists, independently administered third-party, multi-laboratory collaborative
studies and approvals by the U.S. Federal Grain Inspection Service and the U.S.
Food Safety Inspection Service for use of Company products in their own
laboratories.
 
                                       24
<PAGE>   25
 
MANUFACTURING
 
     The Company manufactures its products in Lansing, Michigan, Lexington,
Kentucky, Bridgeport, New Jersey, and Schiller Park, Illinois. There are
currently 73 full-time employees assigned to manufacturing in these four
locations. All locations generally operate on a one-shift basis, but could be
increased to a two-shift basis. The Company believes it could double its current
output of its two primary product lines using the current space available with
minimal amounts of additional capital equipment.
 
     The Company's Schiller Park, Illinois facility, which is used primarily to
manufacture the Ideal veterinary instruments line, is a complete metal working
operation with equipment that allows Ideal to go from raw materials, such as
brass rod and tubing, to finished instruments with skin-wrapped merchandisable
packaging.
 
     The Lexington, Kentucky facility is devoted exclusively to the manufacture
of pharmacological diagnostic test kits, test kits for drug residues and related
products marketed by ELISA Technologies. Proprietary antibodies for some of
these diagnostic kits were produced at the University of Kentucky under a
license and supply agreement. All other manufacturing operations, including
preparation of other reagents, quality assurance and final kit assembly, are
performed by ELISA Technologies personnel in the Lexington facilities.
 
     The Bridgeport, New Jersey facility manufactures all of the Company's
one-step diagnostic tests for the detection of microorganisms as well as test
kits sold into the human clinical laboratory market. Proprietary monoclonal and
polyclonal antibodies are produced as needed in laboratories at the New Jersey
operations. Additional laboratory personnel prepare reagents and perform quality
assurance functions. Final kit assembly, packaging and shipping are all
performed in specific designated areas within the New Jersey facility. The
manufacture of the one-step diagnostic tests requires the use of several
custom-designed machines which enable manufacturing personnel to achieve
high-volume output on a per-hour basis.
 
     Manufacturing diagnostic tests for natural toxins, pesticides and plant
disease diagnostic tests takes place at the Company's corporate headquarters in
Lansing, Michigan. Proprietary monoclonal and polyclonal antibodies for the
Company's diagnostic kits are produced on a regular schedule in the Company's
immunology laboratories in Lansing. Other reagents are similarly prepared by the
chemistry group. These component parts are then transferred to another section
in the same building, where final kit assembly and quality assurance are
conducted, and shipping takes place.
 
     The Company purchases component parts and raw materials from over 200
suppliers. Though many of these supplies are purchased from a single source in
order to achieve the greatest volume discounts, the Company believes it has
identified acceptable alternative suppliers for all of its components and raw
materials.
 
     Shipments of diagnostic test kits and veterinary instrument products are
generally accomplished within a 48-hour turnaround time. As a result of this
quick response time, the Company does not maintain a large backlog of unshipped
orders.
 
COMPETITION
 
     The Company knows of no competitor that is pursuing its fundamental
strategy of developing a full line of products ranging from disposable tests to
veterinary instruments for a large number of food safety concerns. However, the
Company does have competitors for each of its primary product lines. The Company
competes with a large number of companies ranging from very small businesses to
divisions of large companies. Many of these firms have substantially greater
financial resources than the Company.
 
     Academic institutions and other public and private research organizations
are also conducting research activities and may commercialize products on their
own or through joint ventures. The existence of competing products or procedures
that may be developed in future years may adversely affect the marketability of
the products developed by the Company.
 
     The Company competes primarily on the basis of ease of use, speed,
accuracy, and other similar performance characteristics of its products. The
breadth of the Company's product line, the effectiveness of its sales and
customer service organizations and pricing are also components in the Company's
competitive plan.
 
                                       25
<PAGE>   26
 
GOVERNMENTAL REGULATION
 
     A significant portion of the Company's products are affected by the
regulations of various domestic and foreign government agencies, including the
U.S. Department of Agriculture and the U.S. Food and Drug Administration. Though
less than 10% of the Company's revenue is currently derived from products
requiring government approval prior to sale, a significant portion of its
revenue is derived from products used to monitor and detect the presence of
residues that are regulated by various government agencies. Furthermore, a
significant portion of the Company's growth may be affected by the
implementation of new regulations such as the U.S. Food and Drug
Administration's final rule, Procedures For The Safe And Sanitary Processing And
Importing Of Fish And Fishery Products, and the final rule of the U.S.
Department of Agriculture, Pathogen Reduction; Hazard Analysis And Critical
Control Point Systems.
 
EMPLOYEES
 
     As of August 31, 1996, the Company employed approximately 160 full-time
persons. None of the employees are covered by collective bargaining agreements.
There have been no work stoppages or slow downs due to labor-related problems.
The Company believes that its relationship with its employees is good. All
employees having access to proprietary information have executed confidentiality
agreements with the Company.
 
PROPERTIES
 
     The Company's corporate offices and Michigan-based manufacturing and
research facilities are maintained in a 25,000 square foot building located in
Lansing, Michigan. This facility was purchased by the Company on land contract
in August 1985 and is fully paid for. In fiscal 1996, the Company purchased
additional facilities comprising 1,100 square feet within one block of the
existing corporate headquarters. The new facility is used for offices to
accommodate eight persons employed in sales and marketing functions.
 
     Veterinary instrument manufacturing operations are housed in a 34,000
square foot building located at 9355 West Byron Street in Schiller Park,
Illinois. The Company entered into a seven-year, non-cancelable operating lease
for this property effective August 1, 1993. The lease agreement provides for
annual lease payments of $100,300 for each of the first two years with annual
increases of approximately 3.5% thereafter for the remainder of the lease.
 
     The ELISA Technologies operations are maintained in 9,000 square feet of
leased space on two floors of a three story building located at 628 East Third
Street in Lexington, Kentucky. The Company entered into a five-year,
non-cancelable operating lease for the space effective July 1, 1993. The lease
agreement provides for annual lease payments, including all utilities, of
$57,600 for the first year and increasing by $1,200 per year each year
thereafter.
 
     The AMPCOR Diagnostics, Inc. operations are housed in 9,200 square feet of
leased space on one floor in a building located at 603 Heron Drive, Bridgeport,
New Jersey. The Company entered into a three-year three-month, non-cancelable
operating lease for the space effective February 1, 1995. The lease agreement
provides for annual lease payments of $37,585 plus additional rent equal to
$7,334 per year with the additional rent subject to annual increase based upon
actual increases to certain operating expenses.
 
     Management believes that the Company's operating facilities are suitable
for conducting its current and anticipated business.
 
LEGAL PROCEEDINGS
 
     Although the Company is a party to ordinary routine litigation incidental
to its business, there are no pending material adverse legal proceedings.
 
INSURANCE
 
     The Company maintains product liability insurance on all products with a
coverage limit of $2 million per occurrence. In addition, the Company also
maintains insurance in amounts and types which the Company believes to be
customary in its industry.
 
                                       26
<PAGE>   27
 
                                   MANAGEMENT
 
     The Company's Articles of Incorporation provide for a five to nine member
Board of Directors at the discretion of the then existing Board. Directors are
elected to one-year terms of office. The executive officers of the Company are
elected to serve until removed at the discretion of the Board. The Board of
Directors has also named a Scientific Review Council to serve at the pleasure of
the Board. The Scientific Review Council meets approximately 6 times annually to
review the research progress of the Company and to recommend or approve new
research and product development activities of the Company. The following table
sets forth certain information with respect to the directors, executive officers
and other key individuals of the Company as of the date of the Prospectus.
 
<TABLE>
<CAPTION>
                                                                                     YEAR JOINED
             NAME                            POSITION WITH THE COMPANY               THE COMPANY
- ------------------------------   -------------------------------------------------   -----------
<S>                              <C>                                                 <C>
Herbert D. Doan(1)(2).........   Chairman, Board of Directors.....................       1984
James L. Herbert..............   President, Chief Executive Officer, Director.....       1982
G. Bruce Papesh(3)............   Secretary, Director..............................       1993
Gordon E. Guyer, Ph.D.(3).....   Director.........................................       1990
Robert M. Book(2).............   Director.........................................       1990
Leonard Heller, Ph.D.(3)......   Director.........................................       1992
Jack C. Parnell(1)............   Director.........................................       1993
Thomas H. Reed(2).............   Director.........................................       1995
Lon M. Bohannon...............   Vice President, Chief Financial Officer,                1985
                                 Director.........................................
Brinton M. Miller, Ph.D.......   Vice President, Scientific Affairs...............       1984
Gerald S. Traynor.............   Vice President...................................       1990
Donald W. Uglow...............   Vice President...................................       1990
Terri A. Juricic..............   Vice President...................................       1992
Martin R. Gould...............   Vice President, AMPCOR Diagnostics, Inc. ........       1994
Sudhakar L. R. Vulimiri.......   Vice President, AMPCOR Diagnostics, Inc. ........       1994
David J. Ledden, Ph.D. .......   Vice President...................................       1994
Edward L. Bradley.............   Vice President...................................       1994
John E. Cantlon, Ph.D. .......   Chairman, Scientific Review Council..............       1990
N. Edward Tolbert, Ph.D. .....   Scientific Review Council........................       1982
Robert Hollingworth, Ph.D. ...   Scientific Review Council........................       1991
Gavin L. Meerdink, DVM........   Scientific Review Council........................       1992
Perry Gehring, Ph.D. .........   Scientific Review Council........................       1994
</TABLE>
 
- -------------------------
(1) Member of Compensation Committee
(2) Member of Stock Option Committee
(3) Member of Audit Committee
 
     There are no family relationships among directors, officers or key
individuals. Information concerning the Board of Directors, executive officers
and key individuals of the Company follows:
 
HERBERT D. DOAN, age 73, has been a director of the Company since September 1982
and the Company's Chairman of the Board of Directors since October 1984. Mr.
Doan has served as President of the Herbert H. and Grace A. Dow Foundation since
February 1996 and is chairman of the Michigan Molecular Institute, a position he
has held since 1964. He was formerly President and Chief Executive Officer of
Dow Chemical Company. He has been active as an independent venture capitalist
for the past five years.
 
JAMES L. HERBERT, age 56, has been President, Chief Executive Officer, and a
director of the Company since he joined the Company in June 1982. He previously
held the position of Corporate Vice President of DeKalb Ag Research, a major
agricultural genetics and energy company. He has management experience in animal
biologics, specialized chemical research, medical instruments, aquaculture,
animal nutrition, and poultry and livestock breeding and production.
 
                                       27
<PAGE>   28
 
G. BRUCE PAPESH, age 49, was elected to the Board of Directors in October 1993
and was elected Secretary in October 1994. Mr. Papesh was co-founder of Dart,
Papesh & Co., a Lansing, Michigan based investment consulting and financial
services firm. He has served as President of Dart, Papesh and Co. Inc., since
1987. Mr. Papesh provides investment services to Dart Financial Corporation
which, as trustee of three trusts, owns 8.5% of the Company's Common Stock. Mr.
Papesh asserts that he has no investment power over the Company's common stock
owned by Dart Financial Corporation and its affiliates. Mr. Papesh also serves
on the Board of Directors of Immucor, Inc., a publicly traded immunodiagnostics
company that manufactures and market tests, reagents and instruments for the
human clinical blood bank industry.
 
DR. GORDON E. GUYER, age 70, joined the Board of Directors in January 1990. Dr.
Guyer recently retired as director for the Michigan Department of Agriculture, a
position he held since 1993. Dr. Guyer served as interim President of Michigan
State University and was Vice President of Governmental Affairs since 1988. From
1986 to 1988, he was Director of the Department of Natural Resources for the
State of Michigan.
 
ROBERT M. BOOK, age 66, was elected to the Board of Directors in November 1990.
Since January 1993, Mr. Book has served as President of AgriVista, Inc. a
company that provides agricultural consulting and marketing services. He served
as President of the Indiana Institute of Agriculture, Food and Nutrition, from
1983 through 1992. He was formerly Group Vice President of Agriculture Marketing
for Elanco Products Company. In January 1992, Mr. Book filed a petition for
relief under Chapter 11 of the Bankruptcy Code in the United States Bankruptcy
Court, Southern District of Indiana, Indianapolis Division. This petition was
discharged on February 24, 1994. The Company believes that the filing of this
petition has had no effect on Mr. Book's ability to serve as director.
 
DR. LEONARD E. HELLER, age 51, was elected to the Board of Directors in October
1992. He has been an independent consultant in the area of medical, biomedical,
and pharmaceutical information systems since 1993. From 1992 to 1993, he was
Secretary, Cabinet for Human Resources for the Commonwealth of Kentucky. From
1986 to 1993 he was part owner of O.J. Packaging Inc., a retail packaging
company, and a general partner in Illinois Diversatech, a real estate
development partnership located in Manteno, Illinois.
 
JACK C. PARNELL, age 61, was elected to the Board of Directors in October 1993.
Since 1991, he has held the position of Governmental Relations Advisor with the
law firm of Kahn, Soares and Conway. In 1989, Mr. Parnell was appointed by
President Bush to serve as Deputy Secretary for the U.S. Department of
Agriculture. From 1983 to 1989, he served in three different senior governmental
positions for the State of California, including Secretary for the California
Department of Food and Agriculture from 1987 to 1989. Prior to 1987, Mr. Parnell
was a private entrepreneur who owned and operated various businesses including
diversified cattle and farming operations. The firm of Kahn, Soares and Conway
currently acts as the Company's government relations advisor.
 
THOMAS H. REED, age 51, was elected to the Board of Directors in October 1995.
He currently serves as President and Chief Executive Officer for the Michigan
Livestock Exchange where he has worked since 1977. Mr. Reed is a member of the
Board of Directors of City Bank, St. Johns, Michigan and is a former chairman of
the Michigan State University Board of Trustees.
 
LON M. BOHANNON, age 43, joined the Company in October 1985 as Vice President of
Finance, was promoted to Chief Financial Officer in June 1987, was promoted to
Vice President-Administration and Chief Financial Officer in November 1994, and
elected to the Board of Directors in October 1996. He is responsible for all
areas of accounting, finance, human resources, and investor relations. A CPA, he
was Administrative Controller for Federal Forge, Inc., a metal forging and
stamping firm, from March 1980 until October 1985, and a member of the public
accounting firm of Ernst & Young from June 1975 to March 1980.
 
DR. BRINTON M. MILLER, age 69, joined the Company in January 1984 as Vice
President of Research and Development. He presently serves as the Company's
chief scientific officer. Prior to joining the Company, Dr. Miller held numerous
research management positions during his 27 years with Merck, Sharp and Dohme
Laboratories.
 
                                       28
<PAGE>   29
 
GERALD S. TRAYNOR, age 61, joined the Company in July 1990 as General Manager
for Ideal Instruments, Inc. He was promoted to Vice President of Instrument
Development and Manufacturing in January 1991 with responsibility for the
Company's veterinary instrument and electronic instrument manufacturing
operations. He was Vice President of Manufacturing for Martin Yale Industries
for three years before joining the Company and had served in the same position
with The Hedman Company from 1983-1987. Earlier, he served 16 years in various
manufacturing management positions at ITT.
 
DONALD W. UGLOW, age 55, joined the Company in October 1990 as Vice President of
Diagnostic Sales. He is responsible for sales activities for the Company's line
of diagnostic products for food safety to the grain, nut and spice, and the
fruit and vegetable markets. Prior to joining the Company, he served for four
years as Ag Chemical Sales and Marketing Manager for Great Lakes Chemical
Company. Prior to his experience at Great Lakes Chemical, he owned and operated
a farm implement business and served in sales and marketing management of
Ciba-Geigy.
 
TERRI A. JURICIC, age 31, joined the Company in September 1992 as part of the
Company's acquisition of WTT, Incorporated. She currently serves as Vice
President and General Manager of the Company's ELISA Technologies division. Ms.
Juricic graduated from Miami University in 1986. From 1986 to 1991, she was
Controller for Freeze Point Cold Storage Systems and concurrently served in the
same capacity for Powercore, Inc. In 1990, she joined WTT, Incorporated as
President, the position she held at the time the Company acquired the business.
 
MARTIN R. GOULD, age 45, joined the Company in August 1994 in connection with
the Company's acquisition of AMPCOR, Incorporated. He currently serves as Vice
President and General Manager for AMPCOR Diagnostics, Inc. From 1974 to 1986 he
served as manager of Research and Development and Production Manager for E.M.
Science, a division of Merck and Company. In 1987, he joined AMPCOR,
Incorporated, as President, a position he held at the time the Company acquired
the business.
 
SUDHAKAR L. R. VULIMIRI, age 41, joined the Company in August 1994 as part of
the Company's acquisition of AMPCOR, Incorporated. His current responsibilities
as Vice President of AMPCOR Diagnostics, Inc. include manufacturing,
engineering, and product development. From 1983 to 1987 he worked for E.M.
Diagnostic Systems, a division of Merck and Company, serving in the positions of
research scientist and research engineer. In 1987, he joined AMPCOR,
Incorporated as its firm's Executive Vice President.
 
DR. DAVID J. LEDDEN, age 44, joined the Company in December 1994 as Vice
President of Research and Development responsible for overseeing all of the
Company's research and development programs at all locations. From 1990 to 1994,
Dr. Ledden was Manager of Immunoreagents and Protein Chemistry at Boehringer
Mannheim in Indianapolis where he managed a 25 person R & D group. Dr. Ledden
has also held R & D management positions at 3M Corporation and the Ames Division
of Miles Laboratories. Dr. Ledden received his B.S. and M.S. degrees in
Biochemistry from Penn State University and his Ph.D. in Biochemistry from the
University of Louisville.
 
EDWARD L. BRADLEY, age 36, joined the Company in February 1995 as Vice President
of Sales and Marketing for AMPCOR Diagnostics, Inc. In June 1996, he also
assumed sales and marketing management responsibilities for Ideal Instruments.
From 1988 to 1995, Bradley served in several sales and marketing capacities for
Mallinckrodt Animal Health, most recently holding the position of National Sales
Manager responsible for the company's 40 employees in their Food Animal Products
Division. Prior to joining Mallinckrodt, Bradley held several sales and
marketing positions for Stauffer Chemical Company.
 
DR. JOHN E. CANTLON joined the Scientific Review Council in August 1990 and was
elected chairman in 1992. He was a member of the faculty of Michigan State
University from June 1954 until he retired in 1990. He served as Vice President
of Research and Graduate Studies for Michigan State University beginning in
1975.
 
DR. N. EDWARD TOLBERT has been a member of the Scientific Review Council since
February 1984. He has been a professor of biochemistry at Michigan State
University since June 1958, is the former president of the Society of Plant
Physiology and a member of the National Academy of Sciences.
 
                                       29
<PAGE>   30
 
DR. ROBERT HOLLINGWORTH joined the Scientific Review Council in July 1991. Since
1987, he has served as director of the Pesticide Research Center and professor
at Michigan State University. Prior to joining Michigan State University, Dr.
Hollingworth was a professor in the Department of Entomology at Purdue
University for over 20 years.
 
DR. GAVIN L. MEERDINK joined the Scientific Review Council in October 1992. Dr.
Meerdink has a 20-year career as a diagnostician and toxicologist with special
interest in agricultural chemicals and mycotoxins. Since 1989, he has served as
Professor and Head of Clinical Toxicology in the College of Veterinary Medicine
at the University of Illinois. From 1983 to 1989 he was Chief Diagnostician and
Research Scientist at the University of Arizona and he has held associate
professorships at Michigan State University and Iowa State University. Early in
his career, Dr. Meerdink spent four years in private practice as a Doctor of
Veterinary Medicine.
 
DR. PERRY GEHRING joined the Scientific Review Council in April 1994. Dr.
Gehring has served as Vice President for Research and Development of Dow Elanco
since 1989. His career has focused primarily on the study of toxicity of
chemical substances. In addition to his current position, he has held various
senior research and development executive positions for the Dow Chemical
Company.
 
                                       30
<PAGE>   31
 
                             PRINCIPAL SHAREHOLDERS
 
    The following table sets forth information regarding beneficial ownership of
the Company's Common Stock as of October 11, 1996. Information is included for:
(i) each person or entity known by the Company to own beneficially more than 5%
of the Company's outstanding Common Stock prior to this offering; (ii) each of
the Company's directors who beneficially own the Company's Common Stock; and
(iii) all directors and officers as a group who beneficially own the Company's
Common Stock.
 
<TABLE>
<CAPTION>
                                                                                  PERCENT      PERCENT OWNED
                                                                     SHARES     OWNED PRIOR        AFTER
NAME AND ADDRESS                                                      OWNED     TO OFFERING     OFFERING(1)
- ---------------------------------------------                        -------    -----------    -------------
<S>                                                                  <C>        <C>            <C>
Dart Financial Corporation, as trustee of the
Kenneth B. Dart Residual Trust, the Robert C. Dart Residual Trust
and the Thomas J. Dart Residual Trust
c/o First Interstate Bank of Nevada, N.A.
Trust Department
3800 Howard Hughes Parkway, Suite 200
Las Vegas, NV 89190...............................................   389,675         8.5%            6.4%
Herbert D. Doan(2)
P.O. Box 169
Midland, MI 48640.................................................   302,888         6.6%            5.0%
James L. Herbert(2)
Neogen Corporation
620 Lesher Place
Lansing, MI 48912.................................................   271,010         5.9%            4.4%
Gordon E. Guyer, Ph.D(2)
862 Whitman Dr.
East Lansing, MI 48823............................................    17,999           *               *
Robert M. Book(2)
c/o AgriVista
8440 Woodfield Crossing Blvd.
Suite 300
Indianapolis, IN 46240-3400.......................................    15,999           *               *
Leonard E. Heller, Ph.D(2)
260 Mount Tabor Rd. #1
Lexington, KY 40502...............................................    56,766         1.2%              *
G. Bruce Papesh(2)
c/o Dart Papesh and Co., Inc.
501 S. Capital Ave.
Suite 111
Lansing, MI 48933-2331............................................    11,999           *               *
Jack C. Parnell(2)
c/o Kahn, Soares and Conway
1112 "I" Street, Suite 200
Sacramento, CA 95814..............................................    11,999           *               *
Thomas H. Reed(2)
c/o Michigan Livestock Exchange
2651 Coolidge Rd.
East Lansing, MI 48823............................................     1,866           *               *
Lon M. Bohannon(2)
Neogen Corporation
620 Lesher Place
Lansing, MI 48912.................................................    82,837         1.8%            1.4%
All current directors and executive officers as a group (sixteen
persons)(2).......................................................   872,383        18.3%           13.9%
</TABLE>
 
- -------------------------
 *  Less than 1%
 
(1) Assumes that these stockholders do not purchase any shares which are the
    subject of this offering.
 
(2) Includes the following shares of Common Stock which directors and executive
    officers have the right to acquire by exercise of options within 60 days of
    October 11, 1996; Mr. Doan -- 19,999 shares; Mr. Herbert -- 28,000 shares;
    Dr. Guyer -- 17,999 shares; Mr. Book -- 15,999 shares; Dr. Heller -- 13,999
    shares; Mr. Papesh -- 11,999 shares; Mr. Parnell -- 11,999 shares; Mr.
    Bohannon -- 9,400 shares; all current directors and executive officers as a
    group -- 176,860.
 
                                       31
<PAGE>   32
 
                              CERTAIN TRANSACTIONS
 
     Dr. Leonard E. Heller, a member of the Board of Directors, and Terri A.
Juricic, a Vice President of the Company, owned 55% and 20%, respectively, of
WTT Incorporated, a Kentucky-based company which sold immunoassay diagnostics
for agricultural and research markets. In September 1992, the Company acquired
substantially all of the assets of WTT. The purchase price consisted of an
initial payment of cash and stock and a secondary payment of stock in October
1993, which resulted in total consideration of approximately $1,120,000. It is
estimated that Dr. Heller's share of this transaction, after deducting
liabilities of WTT not assumed by the Company, was approximately $313,000 in
cash and 42,767 shares of the Company's Common Stock. It is estimated that Ms.
Juricic's share of this transaction, after deducting liabilities of WTT not
assumed by the Company, was approximately $114,000 in cash and 15,552 shares of
the Company's Common Stock.
 
     Martin R. Gould and Sudhakar L. R. Vulimiri, Vice Presidents of a
wholly-owned subsidiary of the Company, owned 32% and 20%, respectively, of
AMPCOR, Incorporated, a New Jersey-based company which sold diagnostic test kits
to detect microorganisms. In August 1994, the Company acquired substantially all
of the assets of AMPCOR, Incorporated. The initial purchase price consisted of a
payment of cash, stock, and assumption of certain liabilities which resulted in
total consideration of approximately $1,760,600 (See Note 3 of the Notes to the
Company's Consolidated Financial Statements). It is estimated that Mr. Gould's
share of this transaction, after deducting liabilities of AMPCOR, Incorporated
not assumed by the Company, was approximately $104,000 consisting of 17,800
shares of the Company's Common Stock. It is estimated that Mr. Vulimiri's share
of this transaction, after deducting liabilities of AMPCOR, Incorporated not
assumed by the Company, was approximately $65,000 consisting of 11,000 shares of
the Company's Common Stock.
 
     Jack C. Parnell, a Company director, is a governmental relations advisor to
the law firm of Kahn, Soares & Conway. Kahn, Soares & Conway has been retained
by the Company to represent it in governmental relations matters. The Company
pays Kahn, Soares & Conway a monthly fee of $1,750 for ten hours of consulting.
The agreement with Kahn, Soares & Conway is terminable by either party at the
end of any month.
 
                                       32
<PAGE>   33
 
                          DESCRIPTION OF CAPITAL STOCK
 
     The Company's authorized capital stock consists of 10,000,000 shares of
common stock, $.16 par value. The following description of certain matters
relating to the capital stock of the Company is a summary and is qualified in
its entirety by the provisions of the Company's Articles of Incorporation.
 
COMMON STOCK
 
     The Company had 4,599,142 shares issued and outstanding immediately prior
to the date of this Prospectus. Holders of Common Stock are entitled to one vote
for each share held on all matters submitted to a vote of stockholders and do
not have cumulative voting rights. Accordingly, holders of a majority of the
outstanding shares of Common Stock entitled to vote in any election of Directors
may elect all of the Directors standing for election.
 
     Holders of Common Stock are entitled to receive ratably such dividends, if
any, as may be declared by the Board of Directors out of funds legally available
therefor. Upon the liquidation, dissolution or winding-up of the Company,
holders of Common Stock are entitled to receive ratably the net assets of the
Company available for distribution after the payment of all debts and other
liabilities of the Company. Holders of Common Stock have no preemptive,
subscription, redemption or conversion rights. The outstanding shares of Common
Stock are, and the shares offered hereby will be, when issued and paid for,
fully paid and nonassessable.
 
MICHIGAN LEGISLATION/CERTAIN PROVISIONS OF THE MICHIGAN BUSINESS CORPORATION ACT
 
     The Company is subject to the provisions of Chapter 7A of the Michigan
Business Corporation Act ("MBCA") which applies to certain "Business
Combinations", defined to include a range of significant transactions such as
mergers, substantial sales of assets or securities issuances and liquidation,
recapitalization or reorganization plans. In general, Chapter 7A requires, for
any Business Combination with an "Interested Shareholder" (generally a
beneficial owner of 10% or more of the voting power of the Company's outstanding
voting stock), an advisory statement from the Board of Directors, the approval
of holders of at least 90% of the outstanding shares of each class of Company
voting stock and the approval of two-thirds of the holders of outstanding shares
of each such class, excluding those held by the Interested Shareholder, its
affiliates and associates. These requirements do not apply, however, where the
Interested Shareholder satisfies certain "fair price" form of consideration and
procedural requirements specified in the Chapter (including a requirement that
the Business Combination not occur within five years of attainment of Interested
Shareholder status) or where the Company's Board has approved the transaction
specifically, generally or generally by type prior to the Interested Shareholder
becoming an Interested Shareholder. Chapter 7A would cease to apply to the
Company if its Charter were amended to elect not to be covered by the Chapter,
but such an amendment would require the same votes for approval as the Chapter
requires for approval of a Business Combination with an Interested Shareholder.
 
     The Company also is subject to Chapter 7B of the MBCA. Generally, Chapter
7B would divest of all voting rights any shares of the Common Stock acquired in
a "Control Share Acquisition", defined, subject to certain exclusions (including
an exclusion for a merger or consolidation to which the Company is a party), as
any acquisition of issued and outstanding "Control Shares", unless and until a
majority of all shares, and of all non-"Interested Shares", approve such voting
rights. In general, "Interested Shares" are shares owned or controlled as to
voting power by employee-directors of the Company, certain of its officers, the
entity making or proposing to make the Control Share Acquisition or its
affiliates. "Control Shares" are defined as shares that, when added to those
already owned or controlled as to voting power by an entity, would (if not for
the Chapter) give the entity voting power in the election of directors of the
Company within any of three thresholds: one-fifth, one-third and a majority. If
a Control Share Acquisition is approved as required by Chapter 7B, the Chapter
would afford special dissenters' rights to Company shareholders thereafter. By
an amendment to its Articles of Incorporation or Bylaws electing not to be
covered, either the Company's Board of Directors or its shareholders could cause
the Chapter to be inapplicable to Control Share Acquisitions
 
                                       33
<PAGE>   34
 
occurring hereafter, for as long as such amendment continued in effect. The
Board currently has no plans to effect any such amendment, nor is it aware of
any other plans or proposals to do so.
 
     The MBCA also contains certain "anti-greenmail" provisions, intended
generally to limit a covered corporation's ability to purchase shares from a 3%
or more shareholder at a premium over market price absent some form of prior
approval by the corporation's shareholders. These provisions are only triggered,
however, where the corporation has a class of securities listed on a national
securities exchange. Currently, the Company has no such class of listed stock
and no intention of effecting any such listing.
 
     The foregoing discussion concerning the Common Stock and provisions of the
MBCA is qualified in its entirety by reference to pertinent sections of the
Company's Articles of Incorporation and to such MBCA provisions, respectively. A
copy of the Articles of Incorporation is on file with the Commission as an
exhibit to the Registration Statement. See "Additional Information."
 
     Under Sections 561-571 of the MBCA, directors and officers of a Michigan
corporation may be entitled to indemnification by the corporation against
judgments, expenses, fines and amounts paid by the director or officer in
settlement of claims brought against them by third persons or by or in the right
of the corporation if those directors and officers acted in good faith and in a
manner reasonably believed to be in, or not opposed to, the best interests of
the corporation or its shareholders.
 
     The Company is obligated under its bylaws to indemnify any present or
former director, officer or employee of the Company to the fullest extent now or
hereafter permitted by law in connection with any actual or threatened civil,
criminal, administrative or investigative action, suit or proceeding arising out
of their past or future service to the Company or a subsidiary, or to another
organization at the request of the Company or a subsidiary.
 
     In addition, the MBCA permits a Michigan corporation to limit the personal
liability of directors for breach of their fiduciary duty. The Company's
Articles of Incorporation so limit the liability of its directors to the maximum
extent permitted by Michigan law.
 
     Insofar as indemnification for liabilities arising under the Securities Act
of 1933 may be permitted to directors, officers or persons controlling the
registrant pursuant to the foregoing provisions, the registrant has been
informed that in the opinion of the Securities and Exchange Commission, such
indemnification is against public policy as expressed in the Act and is,
therefore, unenforceable.
 
TRANSFER AGENT AND REGISTRAR
 
     The transfer agent and registrar for the Company's Common Stock is American
Stock Transfer and Trust Company of New York.
 
                                       34
<PAGE>   35
 
                                  UNDERWRITING
 
     The Underwriters named below have severally agreed, subject to the terms
and conditions contained in the Underwriting Agreement, to purchase from the
Company the aggregate number of shares of Common Stock (assuming the
Underwriters' over-allotment option is not exercised) set forth below opposite
their respective names.
 
<TABLE>
<CAPTION>
                                                                                     NUMBER
UNDERWRITERS                                                                        OF SHARES
- ---------------------------------------                                             ---------
<S>                                                                                 <C>
Roney & Co.......................................................................     525,000
The Ohio Company.................................................................     525,000
Robert W. Baird & Co. Incorporated...............................................      25,000
J.C. Bradford & Co...............................................................      25,000
The Chicago Corporation..........................................................      25,000
EVEREN Securities, Inc...........................................................      25,000
First of Michigan Corporation....................................................      25,000
Gerard Klauer Mattison & Co., LLC................................................      25,000
Interstate/Johnson Lane Corporation..............................................      25,000
J.J.B. Hilliard, W.L. Lyons, Inc.................................................      25,000
Janney Montgomery Scott Inc......................................................      25,000
Edward D. Jones & Co., L.P.......................................................      25,000
Legg Mason Wood Walker Incorporated..............................................      25,000
McDonald & Company Securities, Inc...............................................      25,000
Morgan Keegan & Company, Inc.....................................................      25,000
Natcity Investments, Inc.........................................................      25,000
Pennsylvania Merchant Group Ltd..................................................      25,000
Piper Jaffray Inc................................................................      25,000
Stephens Inc.....................................................................      25,000
Stifel, Nicolaus & Company, Incorporated.........................................      25,000
                                                                                    ---------
     Total.......................................................................   1,500,000
                                                                                    =========
</TABLE>
 
     The Underwriting Agreement provides that all of the Common Stock being
offered, excluding shares covered by the over-allotment option granted to the
Underwriters, must be purchased if any are purchased.
 
     The Company has been advised that the several Underwriters propose to offer
the Common Stock to the public at the public offering price set forth on the
cover page of this Prospectus and may offer to selected dealers at such price
less a concession of not more than $.31 per share; that the Underwriters may
allow and such dealers may reallow a concession of $.10 per share on sales to
certain other dealers; and that the public offering price and concessions and
reallowances to dealers may be changed by the Underwriters.
 
     The Company has granted to the Underwriters options to purchase up to an
additional 225,000 shares of Common Stock at the public offering price, less the
underwriting discounts and commissions, shown on the cover page of this
Prospectus, solely to cover over-allotments, if any. The options may be
exercised at any time up to 30 days after the date of this Prospectus. To the
extent that such option is exercised, each Underwriter will become obligated,
subject to certain conditions, to purchase approximately the same percentage of
such additional shares as the number set forth in the table above bears to the
total number of shares of Common Stock offered.
 
     The Underwriting Agreement provides that the Company will indemnify the
several Underwriters against certain liabilities, including civil liabilities
under the Securities Act, or will contribute to payments the Underwriters may be
required to make in respect thereof.
 
     All of the executive officers and directors of the Company have agreed not
to offer, sell, contract to sell, or grant any option to purchase or otherwise
dispose of any of the shares of Common Stock during the period of 90 days after
the date of this Prospectus without the prior written consent of Roney & Co. and
The Ohio Company ("Representatives"). The Company has further agreed not to
offer, sell, contract to sell, or otherwise dispose of any shares of Common
Stock or any securities convertible into shares of Common Stock
 
                                       35
<PAGE>   36
 
(except pursuant to employee and director stock plans or in consideration of
acquisitions) for a period of 90 days after the date of this Prospectus without
the prior written consent of the Representatives.
 
     In connection with this offering, the Underwriters and selling group
members (if any) may engage in passive market making transactions in the shares
of Common Stock on the Nasdaq National Market immediately prior to the
commencement of sales in this offering, in accordance with Rule 10b-6A under the
Exchange Act. Passive market making consists of displaying bids on the Nasdaq
National Market limited by the bid prices of independent market makers and
purchases limited by such prices and effected in response to order flow. Net
purchases by a passive market maker on each day are limited to a specific
percentage of the passive market maker's average daily trading volume in the
shares of Common Stock during a specified prior period and must be discontinued
when such limit is reached. Passive market making may stabilize the market price
of the shares of Common Stock at a level above that which might otherwise
prevail and, if commenced, may be discontinued at any time.
 
                                 LEGAL MATTERS
 
     Certain legal matters in connection with the Common Stock offered hereby
will be passed upon for the Company by Fraser Trebilcock Davis & Foster, P.C.,
Lansing, Michigan. Certain legal matters in connection with the Offering will be
passed upon for the Underwriters by Honigman Miller Schwartz and Cohn, Detroit,
Michigan.
 
                                    EXPERTS
 
     The financial statements included and incorporated by reference in this
Prospectus and in the Registration Statement have been audited by BDO Seidman,
LLP, independent certified public accountants, to the extent and for the periods
set forth in their report appearing elsewhere herein and incorporated herein by
reference, and are included and incorporated herein in reliance upon such report
given upon the authority of said firm as experts in auditing and accounting.
 
                             ADDITIONAL INFORMATION
 
     The Company has filed with the Securities and Exchange Commission,
Washington D.C., a Registration Statement under the Securities Act of 1933 with
respect to the Common Stock being offered by this Prospectus. This Prospectus
does not contain all of the information contained in the Registration Statement.
For further information about the Company and the Common Stock offered,
reference is made to the Registration Statement and its exhibits and schedules.
Statements contained in this Prospectus as to the contents of any contract or
any other documents are not necessarily complete. Where the contract or other
document is an exhibit to the Registration Statement, each statement is
qualified in all respects by the provisions of that agreement.
 
                             AVAILABLE INFORMATION
 
     The Company is subject to the informational requirements of the Securities
Exchange Act of 1934 (the "Exchange Act") and in accordance therewith files
reports, proxy statements and other information with the Securities and Exchange
Commission (the "Commission"). Reports, proxy information and statements and
other information filed by the Company with the Commission can be inspected and
copies at the Public Reference Section of the Commission at 450 Fifth Street,
N.W., Washington, D.C. 20549, and at 7 World Trade Center, Suite 1300, New York,
New York. Copies may be obtained, at prescribed rates, by mail from the Public
Reference Section of the Commission at its Washington, D.C. address set forth
above. The Commission maintains a Web site that contains reports, proxy
information and statements, and other information regarding registrants that
file electronically with the Commission. The Web site address is
http://www.sec.gov. The Company files electronically.
 
                                       36
<PAGE>   37
 
                INCORPORATION OF CERTAIN DOCUMENTS BY REFERENCE
 
     The following documents filed by the Company with the Securities and
Exchange Commission are incorporated herein by reference:
 
          A. The Company's Annual Report on Form 10-KSB for the fiscal year
             ended May 31, 1996;
 
          B. The Company's Quarterly Report on Form 10-QSB for the quarter ended
             August 31, 1996;
 
          C. The Company's Registration Statement on Form 8-A registering the
             Common Stock under Section 12(g) of the Exchange Act.
 
     All documents filed by the Company with the Commission pursuant to Sections
13(a), 13(c), 14 or 15(d) of the Exchange Act subsequent to September 13, 1996
and prior to the termination of the offering of the Common Stock registered
hereby shall be deemed to be incorporated by reference into this Prospectus and
to be a part hereof from the date of filing such documents. Any statement
contained in a document incorporated or deemed to be incorporated by reference
herein shall be deemed to be modified or superseded for purposes of this
Prospectus to the extent that a statement contained herein or in any other
subsequently filed document which also is or is deemed to be incorporated by
reference herein modified or supersedes such statement. Any statement so
modified or superseded shall not be deemed, except as so modified or superseded,
to constitute a part of this Prospectus.
 
     The Company will provide without charge to each person to whom this
Prospectus is delivered, upon written or oral request of such person, a copy of
any or all of the foregoing documents incorporated by reference into this
Prospectus (without exhibits to such documents other than exhibits specifically
incorporated by reference into such documents). Requests for such copies should
be directed to the Investor Relations Department of the Company, 620 Lesher
Place, Lansing, Michigan 48912; (517) 372-9200.
 
                                       37
<PAGE>   38
 
                      NEOGEN CORPORATION AND SUBSIDIARIES
 
                   INDEX TO CONSOLIDATED FINANCIAL STATEMENTS
 
<TABLE>
<CAPTION>
                                                                                        PAGE
                                                                                        -----
<S>                                                                                     <C>
Report of Independent Certified Public Accountants....................................  F-2
Consolidated Balance Sheets as of May 31, 1995, May 31, 1996 and
  August 31, 1996 (Unaudited).........................................................  F-3
Consolidated Statements of Operations for the Years Ended May 31, 1994, May 31, 1995
  and May 31, 1996 and for the Three Months Ended August 31, 1995 (Unaudited) and
  August 31, 1996 (Unaudited).........................................................  F-4
Consolidated Statements of Stockholders' Equity for the Years Ended May 31, 1994, May
  31, 1995 and May 31, 1996 and for the Three Months Ended August 31, 1996
  (Unaudited).........................................................................  F-5
Consolidated Statements of Cash Flows for the Years Ended May 31, 1994, May 31, 1995
  and May 31, 1996 and for the Three Months Ended August 31, 1995 (Unaudited) and
  August 31, 1996 (Unaudited).........................................................  F-6
Notes to Consolidated Financial Statements............................................  F-7
</TABLE>
 
                                       F-1
<PAGE>   39
 
               REPORT OF INDEPENDENT CERTIFIED PUBLIC ACCOUNTANTS
 
To the Board of Directors and Stockholders
Neogen Corporation
Lansing, Michigan
 
     We have audited the accompanying consolidated balance sheets of Neogen
Corporation and subsidiaries as of May 31, 1995 and 1996, and the related
consolidated statements of operations, stockholders' equity and cash flows for
each of the three years in the period ended May 31, 1996. These financial
statements are the responsibility of the Company's management. Our
responsibility is to express an opinion on these 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 Neogen
Corporation and subsidiaries at May 31, 1995 and 1996, and the results of their
operations and their cash flows for each of the three years in the period ended
May 31, 1996 in conformity with generally accepted accounting principles.
 
                                          BDO SEIDMAN, LLP
 
Troy, Michigan
July 18, 1996
 
                                       F-2
<PAGE>   40
 
                      NEOGEN CORPORATION AND SUBSIDIARIES
 
                          CONSOLIDATED BALANCE SHEETS
 
<TABLE>
<CAPTION>
                                                                             MAY 31,
                                                                           ----------           AUGUST 31,
                                                                       1995          1996          1996
                                                                    -----------   -----------   -----------
                                                                                                (UNAUDITED)
<S>                                                                 <C>           <C>           <C>
                                              ASSETS (Note 4)
Current Assets
  Cash and equivalents............................................  $ 2,237,979   $ 2,183,033   $ 2,389,129
  Accounts receivable, less allowance for doubtful
    accounts of $152,000, $185,000 and $260,000...................    1,681,200     1,643,181     2,127,922
  Inventories (Notes 1 and 2).....................................    3,806,872     3,378,671     3,387,907
  Prepaid expenses and other current assets.......................      355,027       318,882       356,798
                                                                    -----------   -----------   -----------
Total Current Assets..............................................    8,081,078     7,523,767     8,261,756
                                                                    -----------   -----------   -----------
Property and Equipment
  Land and improvements...........................................       22,715        33,882        33,882
  Buildings and improvements......................................      394,551       440,532       446,573
  Machinery and equipment.........................................    2,895,263     3,192,665     3,310,681
  Furniture and fixtures..........................................      363,764       305,139       315,695
                                                                    -----------   -----------   -----------
                                                                      3,676,293     3,972,218     4,106,831
  Less accumulated depreciation...................................    2,363,623     2,590,430     2,677,868
                                                                    -----------   -----------   -----------
Net Property and Equipment........................................    1,312,670     1,381,788     1,428,963
                                                                    -----------   -----------   -----------
Intangible and Other Assets
  Goodwill, net of accumulated amortization of
    $109,441, $210,740 and $236,065 (Note 3)......................    1,513,032     2,034,153     2,061,951
  Other assets, net of accumulated amortization of
    $241,971, $330,810 and $352,019...............................      631,826       591,436       571,373
                                                                    -----------   -----------   -----------
Total Intangible and Other Assets.................................    2,144,858     2,625,589     2,633,324
                                                                    -----------   -----------   -----------
                                                                    $11,538,606   $11,531,144   $12,324,043
                                                                    ===========   ===========   ===========
                                   LIABILITIES AND STOCKHOLDERS' EQUITY
Current Liabilities
  Notes payable -- banks (Note 4).................................  $ 1,058,946   $ 1,043,946   $ 1,028,946
  Accounts payable................................................      742,652       497,502       651,913
  Accruals
    Compensation and benefits.....................................      338,407       369,788       506,590
    Restructuring charges (Note 2)................................           --       217,794       163,812
    Other.........................................................       65,129        88,878       179,946
  Current maturities of long-term debt (Note 4)...................       87,136        71,147        71,147
                                                                    -----------   -----------   -----------
Total Current Liabilities.........................................    2,292,270     2,289,055     2,602,354
Long-Term Debt, less current maturities (Note 4)..................      351,233       278,918       261,131
Other Long-Term Liabilities.......................................       58,671       105,467       105,467
                                                                    -----------   -----------   -----------
Total Liabilities.................................................    2,702,174     2,673,440     2,968,952
                                                                    -----------   -----------   -----------
Commitments (Notes 6 and 8)
Stockholders' Equity (Note 5)
  Common stock, $.16 par value, shares authorized
    10,000,000; issued and outstanding 4,460,027, 4,559,260
    and 4,598,042.................................................      713,604       729,482       735,687
  Additional paid-in capital......................................   13,592,684    13,841,617    13,932,040
  Retained earnings (deficit).....................................   (5,469,856)   (5,713,395)   (5,312,636)
                                                                    -----------   -----------   -----------
Total Stockholders' Equity........................................    8,836,432     8,857,704     9,355,091
                                                                    -----------   -----------   -----------
                                                                    $11,538,606   $11,531,144   $12,324,043
                                                                    ===========   ===========   ===========
</TABLE>
 
          See accompanying notes to consolidated financial statements.
 
                                       F-3
<PAGE>   41
 
                      NEOGEN CORPORATION AND SUBSIDIARIES
 
                     CONSOLIDATED STATEMENTS OF OPERATIONS
 
<TABLE>
<CAPTION>                                                                        THREE MONTHS ENDED   
                                              YEAR ENDED MAY 31,                     AUGUST 31,     
                                    ---------------------------------------   -------------------------          
                                       1994          1995          1996          1995          1996        
                                    -----------   -----------   -----------   -----------   -----------          
                                                                              (UNAUDITED)   (UNAUDITED)             
<S>                                 <C>           <C>           <C>           <C>           <C>
Revenues
  Sales...........................  $10,590,778   $11,368,672   $12,328,103   $ 2,847,579   $ 4,030,363
  Contract revenues...............      144,185       357,583       162,308        78,065         4,560
                                    -----------   -----------   -----------    ----------    ----------
                                     10,734,963    11,726,255    12,490,411     2,925,644     4,034,923
                                    -----------   -----------   -----------    ----------    ----------
Operating Expenses
  Cost of goods sold..............    4,704,315     5,151,957     5,484,524     1,182,238     1,546,190
  Sales and marketing.............    2,834,964     3,284,420     3,538,876       858,554     1,169,641
  General and administrative......    1,417,280     1,523,883     1,773,966       431,297       555,046
  Research and development........      856,107     1,136,003     1,237,643       321,335       348,074
  Restructuring charges
    (Note 2)......................           --            --       695,500            --            --
                                    -----------   -----------   -----------    ----------    ----------
                                      9,812,666    11,096,263    12,730,509     2,793,424     3,618,951
                                    -----------   -----------   -----------    ----------    ----------
Operating Income (Loss)...........      922,297       629,992      (240,098)      132,220       415,972
                                    -----------   -----------   -----------    ----------    ----------
Other Income (Expense)
  Interest income.................       64,563        89,785        75,733        18,391        22,458
  Interest expense................      (33,936)      (99,898)     (153,286)      (36,376)      (30,968)
  Other...........................      (71,120)       83,128        81,312        24,003         5,000
                                    -----------   -----------   -----------    ----------    ----------
                                        (40,493)       73,015         3,759         6,018        (3,510)
                                    -----------   -----------   -----------    ----------    ----------
Income (Loss) Before Taxes On
  Income..........................      881,804       703,007      (236,339)      138,238       412,462
Taxes On Income (Note 7)..........      (26,000)      (24,300)       (7,200)       (7,200)      (11,703)
                                    -----------   -----------   -----------    ----------    ----------
Net Income (Loss).................  $   855,804   $   678,707   $  (243,539)  $   131,038   $   400,759
                                    ===========   ===========   ===========    ==========    ==========
Net Income (Loss) Per Share
    (Note 1)......................         $.19          $.15         $(.05)         $.03          $.08
                                          =====          ====         =====          ====          ====
</TABLE>
 
          See accompanying notes to consolidated financial statements.
 
                                       F-4
<PAGE>   42
 
                      NEOGEN CORPORATION AND SUBSIDIARIES
 
                CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY
 
                    YEARS ENDED MAY 31, 1994, 1995 AND 1996
               AND THREE MONTHS ENDED AUGUST 31, 1996 (UNAUDITED)
 
<TABLE>
<CAPTION>
                                                 COMMON STOCK          ADDITIONAL       RETAINED
                                            ----------------------       PAID-IN        EARNINGS
                                             SHARES        AMOUNT        CAPITAL        (DEFICIT)
                                            ---------     --------     -----------     -----------
<S>                                         <C>           <C>          <C>             <C>
Balance, June 1, 1993.....................  4,068,294     $650,927     $12,422,915     $(7,004,367)
  Issuance of common shares in connection
     with acquisitions (Note 3)...........    223,160       35,706         622,164              --
  Exercise of options.....................     38,275        6,124          63,736              --
  Net income for the year.................         --           --              --         855,804
                                            ---------     --------     -----------     -----------
Balance, May 31, 1994.....................  4,329,729      692,757      13,108,815      (6,148,563)
  Issuance of common shares in connection
     with acquisitions (Note 3)...........     55,753        8,920         316,080              --
  Exercise of options.....................     34,525        5,524          46,343              --
  Exercise of warrants....................     40,020        6,403         121,446              --
  Net income for the year.................         --           --              --         678,707
                                            ---------     --------     -----------     -----------
Balance, May 31, 1995.....................  4,460,027      713,604      13,592,684      (5,469,856)
  Exercise of options.....................     59,300        9,489         130,332              --
  Exercise of warrants....................     39,933        6,389         118,601              --
  Net loss for the year...................         --           --              --        (243,539)
                                            ---------     --------     -----------     -----------
Balance, May 31, 1996.....................  4,559,260      729,482      13,841,617      (5,713,395)
  Exercise of options (unaudited).........     37,000        5,920          82,119              --
  Exercise of warrants (unaudited)........      1,782          285           8,304              --
  Net income for the period (unaudited)...         --           --              --         400,759
                                            ---------     --------     -----------     -----------
Balance, August 31, 1996 (unaudited)......  4,598,042     $735,687     $13,932,040     $(5,312,636)
                                            =========     ========     ===========     ===========
</TABLE>
 
          See accompanying notes to consolidated financial statements.
 
                                       F-5
<PAGE>   43
 
                      NEOGEN CORPORATION AND SUBSIDIARIES
 
                     CONSOLIDATED STATEMENTS OF CASH FLOWS
 
<TABLE>
<CAPTION>
                                                                                   THREE MONTHS ENDED
                                               YEAR ENDED MAY 31,                      AUGUST 31,        
                                     --------------------------------------    --------------------------
                                        1994          1995          1996          1995           1996    
                                     ----------    ----------    ----------    -----------    -----------
                                                                               (UNAUDITED)    (UNAUDITED)
<S>                                  <C>           <C>           <C>           <C>            <C>
Cash Flows From Operating
  Activities
  Net income (loss)................  $  855,804    $  678,707    $ (243,539)   $   131,038    $   400,759
  Adjustments to reconcile net
     income (loss) to net cash
     provided by (used in)
     operating activities
     Depreciation and
       amortization................     354,564       488,590       537,232        131,213        139,202
     Loss (gain) on sale of
       property and equipment......        (334)      (11,121)        2,489             --             --
     Changes in operating assets
       and liabilities
       Accounts receivable.........     (59,140)     (400,322)       38,019       (229,173)      (484,741)
       Inventories.................      70,830      (844,783)      460,838       (129,517)        (9,236)
       Prepaid expenses and other
          current assets...........     (43,600)      (86,571)       45,451        (32,710)       (37,916)
       Accounts payable............     260,951       (72,244)     (245,150)        42,190        154,411
       Accrued liabilities.........     299,083      (229,756)      272,923        (84,472)       173,888
                                     ----------    ----------    ----------     ----------     ----------
Net Cash Provided By (Used In)
  Operating Activities.............   1,738,158      (477,500)      868,263       (171,431)       336,367
                                     ----------    ----------    ----------     ----------     ----------
Cash Flows From Investing
  Activities
  Proceeds from sale of property
     and equipment.................       6,699       161,236         7,863             --             --
  Purchases of property, equipment
     and other assets..............    (189,178)     (551,972)     (412,523)      (189,497)      (140,990)
  Acquisitions of businesses.......     (21,990)     (812,957)     (680,056)      (680,056)       (53,122)
                                     ----------    ----------    ----------     ----------     ----------
Net Cash Used In Investing
  Activities.......................    (204,469)   (1,203,693)   (1,084,716)      (869,553)      (194,112)
                                     ----------    ----------    ----------     ----------     ----------
Cash Flows From Financing
  Activities
  Net borrowing (payments) on notes
     payable -- banks..............    (150,000)      871,945       (15,000)            --        (15,000)
  Proceeds from long-term
     borrowings....................          --        70,000            --             --             --
  Payments on long-term
     borrowings....................    (164,482)     (209,430)      (88,304)       (22,052)       (17,787)
  Net proceeds from issuance of
     common shares.................      69,860       179,716       264,811          6,285         96,628
                                     ----------    ----------    ----------     ----------     ----------
Net Cash Provided By (Used In)
  Financing Activities.............    (244,622)      912,231       161,507        (15,767)        63,841
                                     ----------    ----------    ----------     ----------     ----------
Net Increase (Decrease) in Cash and
  Equivalents......................   1,289,067      (768,962)      (54,946)    (1,056,751)       206,096
Cash and Equivalents, at beginning
  of period........................   1,717,874     3,006,941     2,237,979      2,237,979      2,183,033
                                     ----------    ----------    ----------     ----------     ----------
Cash and Equivalents, at end of
  period...........................  $3,006,941    $2,237,979    $2,183,033    $ 1,181,228    $ 2,389,129
                                     ==========    ==========    ==========    ===========    ===========
</TABLE>
 
          See accompanying notes to consolidated financial statements.
 
                                       F-6
<PAGE>   44
 
                      NEOGEN CORPORATION AND SUBSIDIARIES
 
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
 
                 (INFORMATION WITH RESPECT TO THE THREE MONTHS
                  ENDED AUGUST 31, 1995 AND 1996 IS UNAUDITED)
 
1. SUMMARY OF ACCOUNTING POLICIES
 
  Nature of Operations
 
     Neogen Corporation and subsidiaries (the Company) develop, manufacture, and
sell products to control residues and improve quality for the agriculture,
pharmacologics, food and environmental industries. The Company's products are
currently used for animal health applications, food and environmental testing,
and in medical research.
 
  Basis of Consolidation
 
     The consolidated financial statements include the accounts of Neogen
Corporation, Ideal Instruments, Inc. (Ideal), AMPCOR Diagnostics, Inc. (AMPCOR)
and several majority owned companies which are general partners for research
limited partnerships. The investments in partnerships are not significant to the
consolidated financial statements.
 
     All significant intercompany accounts and transactions have been eliminated
in consolidation.
 
  Use of Estimates
 
     In preparing financial statements in conformity with generally accepted
accounting principles, management is required to make estimates and assumptions
that affect (1) the reported amounts of assets and liabilities and the
disclosure of contingent assets and liabilities as of the date of the financial
statements, and (2) revenues and expenses during the reporting period. Actual
results could differ from these estimates.
 
  Concentrations of Credit Risk
 
     Financial instruments which potentially subject the Company to
concentrations of credit risk consist principally of accounts receivable. The
Company attempts to minimize credit risk by reviewing all customers' credit
history before extending credit and by monitoring customers' credit exposure on
a continuing basis. The Company establishes an allowance for possible losses on
accounts receivable based upon factors surrounding the credit risk of specific
customers, historical trends and other information.
 
  Fair Values of Financial Instruments
 
     The carrying amounts of cash and equivalents, accounts receivable, accounts
payable, and accrued expenses approximate fair value because of the short
maturity of these items.
 
     The carrying amounts of the notes payable and long-term debt issued
pursuant to the Company's bank credit agreements approximate fair value because
the interest rates on these instruments change with market rates.
 
  Cash Equivalents
 
     Cash equivalents are short-term, highly liquid investments consisting of
primarily money market funds, certificates of deposit and commercial paper.
 
                                       F-7
<PAGE>   45
 
                      NEOGEN CORPORATION AND SUBSIDIARIES
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
                 (INFORMATION WITH RESPECT TO THE THREE MONTHS
                  ENDED AUGUST 31, 1995 AND 1996 IS UNAUDITED)
 
  Inventories
 
     Inventories are stated at the lower of cost, determined on the first-in,
first-out method, or market. The components of inventories are as follows:
 
<TABLE>
<CAPTION>
                                                          MAY 31,              AUGUST 31,
                                                 -------------------------     ----------
                                                    1995           1996           1996
                                                 ----------     ----------     ----------
        <S>                                      <C>            <C>            <C>
        Raw material.........................    $1,624,271     $1,468,316     $1,366,068
        Work-in-process......................       778,831        889,110        837,490
        Finished goods.......................     1,403,770      1,021,245      1,184,349
                                                 ----------     ----------     ----------
                                                 $3,806,872     $3,378,671     $3,387,907
                                                 ==========     ==========     ==========
</TABLE>
 
  Property and Equipment
 
     Property and equipment is stated at cost. Expenditures for major
improvements are capitalized while repairs and maintenance are charged to
expense. Depreciation is provided on the straight-line method over the estimated
useful lives of the respective assets, generally twenty to thirty-one years for
buildings and improvements and three to ten years for furniture, machinery and
equipment. Depreciation expense was $258,644, $336,204 and $320,869 for the
years ended May 31, 1994, 1995 and 1996, and $92,234 and $96,384 for the three
months ended August 31, 1995 and 1996, respectively.
 
  Intangible Assets
 
     Goodwill represents the excess of acquisition costs over the estimated fair
value of net assets acquired. Goodwill is amortized on a straight-line basis
over periods ranging from fifteen to twenty-five years. The Company reviews
goodwill for impairment based upon undiscounted cash flows over the remaining
lives of the goodwill. If necessary, impairment will be measured based on the
difference between undiscounted future cash flows and the net book value of the
related goodwill.
 
     Other intangible assets, consisting primarily of covenants not to compete,
licenses and patents, are recorded at fair value at the date of acquisition.
These intangible assets are amortized on a straight-line basis over periods
ranging from five to seventeen years.
 
  Revenue Recognition
 
     The Company recognizes product sales at the time of shipment. Contract
revenues are recognized as services are performed using the percentage of
completion method and/or upon achievement of certain levels of performance as
specified in the contracts.
 
  Net Income (Loss) Per Share
 
     Net income (loss) per share amounts are computed based on the weighted
average number of common shares outstanding, adjusted to reflect the assumed
exercise of outstanding stock options and warrants, to the extent these items
had a dilutive effect on the computations. Shares used in the computation were
4,520,743, 4,674,792 and 4,513,817 for the years ended May 31, 1994, 1995 and
1996, and 4,695,271 and 4,770,283 for the three months ended August 31, 1995 and
1996, respectively.
 
                                       F-8
<PAGE>   46
 
                      NEOGEN CORPORATION AND SUBSIDIARIES
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
                 (INFORMATION WITH RESPECT TO THE THREE MONTHS
                  ENDED AUGUST 31, 1995 AND 1996 IS UNAUDITED)
 
  Recent Accounting Pronouncements
 
     The Financial Accounting Standards Board (FASB) has issued Statement of
Financial Accounting Standards (SFAS) No. 121, "Accounting for the Impairment of
Long-Lived Assets and Long-Lived Assets Being Disposed Of," which provides
guidance on how and when impairment losses are recognized on long-lived assets.
This statement was adopted June 1, 1996 and did not have a material impact on
the Company.
 
     The FASB has issued SFAS No. 123, "Accounting for Stock-Based
Compensation," which establishes a fair value based method of accounting for
stock-based compensation plans. This statement provides a choice to either adopt
the fair value based method of accounting or continue to apply APB Opinion No.
25, which would require only disclosure of the proforma net income and earnings
per share, determined as if the fair value based method had been applied. The
Company adopted this statement June 1, 1996 and continues to apply APB Opinion
No. 25.
 
  Unaudited Interim Financial Information
 
     The unaudited interim consolidated financial statements for the three
months ended August 31, 1995 and 1996 include all adjustments, consisting of
normal recurring accruals, which the Company considers necessary for a fair
presentation of the consolidated financial position and the consolidated results
of operations for the periods presented. The interim period results are not
necessarily indicative of the results of operations for a full fiscal year.
 
2. RESTRUCTURING CHARGES
 
     In May 1996, the Company recorded charges of $695,500 related to a
restructuring program for certain of its operations. The restructuring charges
include $437,700 related to inventory valuation adjustments and writedowns to
exit its electronic instruments operations, $205,300 related to veterinary
instrument sales group reorganization and $52,500 of other costs. The
restructuring program resulted in liabilities of $217,794 at May 31, 1996. The
majority of these liabilities are expected to be paid or settled during the 1997
fiscal year.
 
3. ACQUISITIONS
 
     Effective June 15, 1995, Neogen acquired certain assets of International
Diagnostic Systems Corp. (IDS) of St. Joseph, Michigan. The acquisition was
accounted for by the purchase method and all acquired assets, consisting of
inventory and technology for 35 different diagnostic tests used to detect drugs
of abuse in animals, were moved to the Company's ELISA Technologies division in
Lexington, Kentucky.
 
     The purchase price consisted of initial consideration of approximately
$680,000 paid in cash at closing resulting in goodwill of approximately
$622,000. The Company made a second and final cash payment of approximately
$53,000 in July 1996 based upon sales performance for the twelve month period
ended June 14, 1996.
 
     Proforma results of operations are not presented as the effect of the IDS
acquisition was not material to the consolidated results of operations of the
Company for the year ended May 31, 1996.
 
     On August 17, 1994, Neogen Corporation, through its wholly-owned subsidiary
AMPCOR Diagnostics, Inc., acquired substantially all of the assets of AMPCOR,
Inc., a New Jersey-based company that develops and manufactures diagnostic test
kits to detect the presence of harmful microorganisms.
 
     The initial purchase price for the assets of AMPCOR was $1,760,610, which
consisted of $702,957 paid in cash, assumption of liabilities totaling $732,653,
and issuance of 55,753 shares of Neogen restricted
 
                                       F-9
<PAGE>   47
 
                      NEOGEN CORPORATION AND SUBSIDIARIES
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
                 (INFORMATION WITH RESPECT TO THE THREE MONTHS
                  ENDED AUGUST 31, 1995 AND 1996 IS UNAUDITED)
 
common stock valued at $325,000. In addition, Neogen incurred $110,000 of
acquisition costs and organization expense in connection with this asset
purchase.
 
     The acquisition was effective August 1, 1994, and has been accounted for
using the purchase method of accounting. Accordingly, the results of operations
of AMPCOR have been included with those of Neogen for periods beginning August
1, 1994. The excess acquisition cost over the fair value of the acquired net
assets approximated $730,000.
 
     The purchase agreement provided for the payment of additional
consideration, contingent upon the sales and profit performance of AMPCOR for
two consecutive twelve month periods ending July 31, 1995 and 1996. The Company
did not pay any additional consideration on the basis of AMPCOR's performance
for the first twelve month period ended July 31, 1995. Management expects any
second year payment to be minimal.
 
     Effective October 1, 1993, Neogen acquired substantially all of the assets
of Enzytec, Incorporated of Kansas City, Missouri. Enzytec marketed rapid
diagnostic screening tests for the detection of insecticide residues in food and
the environment. The acquisition was accounted for by the purchase method and
the results of operations have been included in the accompanying consolidated
financial statements from the date of the acquisition. All the acquired assets
were moved to Neogen's headquarters in Lansing, Michigan.
 
     The initial purchase price of $226,000 consisted of $21,000 paid in cash,
issuance of 74,626 shares of Neogen common stock, and issuance of warrants to
purchase 50,374 shares of Neogen common stock after October 31, 1994 at an
exercise price of $4.82 per share. The purchase price in excess of the fair
value of the acquired net assets was $197,922.
 
     During fiscal 1994, the Company issued 148,534 shares of its common stock
as final consideration for acquisitions made in prior years.
 
4. NOTES PAYABLE AND LONG-TERM DEBT
 
     The Company and its subsidiaries have available lines-of-credit and
borrowing arrangements with banks totalling $2,500,000. At May 31, 1995 and 1996
and August 31, 1996, there were $1,058,946, $1,043,946 and $1,028,946,
respectively, of borrowings outstanding. These borrowings bear interest at .75%
over the prime rate (9.00% at August 31, 1996), and are collateralized by
substantially all assets of the Company and its subsidiaries.
 
     Long-term debt consisted of the following:
 
<TABLE>
<CAPTION>
                                                                                AUGUST
                                                            MAY 31,              31,
                                                     ---------------------     --------
                                                       1995         1996         1996
                                                     --------     --------     --------
        <S>                                          <C>          <C>          <C>
        Term note payable to bank..................  $352,380     $295,236     $280,950
        Installment note payable...................    70,000       54,829       51,328
        Other notes and contracts payable..........    15,989           --           --
                                                      -------      -------      -------
                                                      438,369      350,065      332,278
        Less current maturities....................    87,136       71,147       71,147
                                                      -------      -------      -------
        Total Long-Term Debt.......................  $351,233     $278,918     $261,131
                                                      =======      =======      =======
</TABLE>
 
     The term note is payable in eighty-four monthly installments of $4,762 plus
interest at .75% over the prime rate (9.00% at August 31, 1996), and is
collateralized by substantially all the assets of Neogen and AMPCOR.
 
                                      F-10
<PAGE>   48
 
                      NEOGEN CORPORATION AND SUBSIDIARIES
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
                 (INFORMATION WITH RESPECT TO THE THREE MONTHS
                  ENDED AUGUST 31, 1995 AND 1996 IS UNAUDITED)
 
     The installment note is payable in sixty monthly installments of $1,167
plus interest at .75% over prime rate (9.00% at August 31, 1996) and is
collateralized by substantially all the assets of AMPCOR.
 
     The terms of certain financing agreements contain, among other provisions,
the requirements to meet certain financial ratios and levels of working capital
and tangible net worth, and restrict the payment of dividends.
 
     Maturities of long-term debt at May 31, are: 1997 - $71,147;
1998 - $71,148; 1999 - $71,148; 2000 - $69,961; 2001 - $57,144; and
2002 - $9,517.
 
5. STOCK OPTIONS AND STOCK WARRANTS
 
     The Company has a Stock Option Plan (the Plan) under which qualified and
non-qualified options to purchase shares of common stock may be granted to
eligible directors, members of the Scientific Review Council, officers, or
employees of the Company at an exercise price of not less than the fair market
value of the stock on the date of grant. The Plan was adopted in 1987, and the
number of shares authorized for issuance under this Plan is 1,059,375. Options
have been granted with three to five year vesting schedules. At August 31, 1996,
99,866 shares were available for future grants under the Plan.
 
     The following table summarizes option activity for the years ended May 31,
1994, 1995 and 1996 and the three months ended August 31, 1996:
 
<TABLE>
<CAPTION>
                                                                                 OPTION
                                                                  SHARES          PRICE
                                                                  -------     -------------
    <S>                                                           <C>         <C>
    Outstanding options at June 1, 1993 (110,379 exercisable)...  249,400     $ .32 to 3.25
         Options granted during the year........................  124,000      2.44 to 6.63
         Options exercised during the year......................  (38,275)      .32 to 2.88
         Options expired or cancelled during the year...........  (12,000)     2.50 to 3.25
                                                                  -------     -------------
    Outstanding options at May 31, 1994 (108,234 exercisable)...  323,125       .32 to 6.63
         Options granted during the year........................  119,000      6.63 to 9.25
         Options exercised during the year......................  (34,525)      .32 to 2.50
         Options expired or cancelled during the year...........   (3,000)     2.25 to 7.25
                                                                  -------     -------------
    Outstanding options at May 31, 1995 (140,472 exercisable)...  404,600      1.38 to 9.25
         Options granted during the year........................   99,500      6.50 to 7.13
         Options exercised during the year......................  (59,300)     1.38 to 6.50
         Options expired or cancelled during the year...........   (2,000)             8.00
                                                                  -------     -------------
    Outstanding options at May 31, 1996 (172,156 exercisable)...  442,800     $1.88 to 9.25
         Options granted during the period......................  101,000              7.50
         Options exercised during the period....................  (37,000)     2.25 to 7.25
         Options expired or cancelled during the period.........   (4,600)     3.25 to 7.25
                                                                  -------     -------------
    Outstanding options at August 31, 1996 (196,556
      exercisable)..............................................  502,200     $1.88 to 9.25
                                                                  =======     =============
</TABLE>
 
                                      F-11
<PAGE>   49
 
                      NEOGEN CORPORATION AND SUBSIDIARIES
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
                 (INFORMATION WITH RESPECT TO THE THREE MONTHS
                  ENDED AUGUST 31, 1995 AND 1996 IS UNAUDITED)
 
     The following table summarizes warrant activity for the years ended May 31,
1994, 1995 and 1996 and the three months ended August 31, 1996. All warrants are
exercisable for unregistered common stock of the Company and expire between 1997
and 1999.
 
<TABLE>
<CAPTION>
                                                                                 WARRANT
                                                                  SHARES          PRICE
                                                                  -------     -------------
    <S>                                                           <C>         <C>
    Outstanding warrants at June 1, 1993........................  109,953     $2.63 to 3.90
         Warrants granted during the year (Note 3)..............   50,374              4.82
                                                                  -------     -------------
    Outstanding warrants at May 31, 1994........................  160,327      2.63 to 4.82
         Warrants exercised during the year.....................  (40,020)             3.90
                                                                  -------     -------------
    Outstanding warrants at May 31, 1995........................  120,307      2.63 to 4.82
         Warrants exercised during the year.....................  (39,933)             3.13
                                                                  -------     -------------
    Outstanding warrants at May 31, 1996........................   80,374     $2.63 to 4.82
         Warrants exercised during the period...................   (1,782)             4.82
                                                                  -------     -------------
    Outstanding warrants at August 31, 1996.....................   78,592     $2.63 to 4.82
                                                                  =======     =============
</TABLE>
 
6. COMMITMENTS
 
     The Company has agreements with related research limited partnerships and
third parties which provide for the payment of royalties on the sale of certain
products. Royalty expense, primarily to related research limited partnerships,
under the terms of these agreements for the years ended May 31, 1994, 1995 and
1996 was $476,159, $521,690 and $579,045, respectively. Royalty expense was
$153,781 and $240,533 for the three months ended August 31, 1995 and 1996,
respectively.
 
     The Company leases office and manufacturing facilities under noncancelable
operating leases. Rent expense for the years ended May 31, 1994, 1995 and 1996
was $149,000, $202,000 and $221,000, respectively. Rent expense was $42,000 and
$57,000 for the three months ended August 31, 1995 and 1996, respectively.
Future minimum rental payments at May 31, for these leases are as follows:
1997 - $211,000; 1998 - $201,000; 1999 - $119,000; 2000 - $118,000; and
2001 - $30,000.
 
7. TAXES ON INCOME
 
     Income taxes are calculated using the liability method specified by SFAS
No. 109 "Accounting for Income Taxes."
 
     As of May 31, 1996, the Company has net operating loss carryforwards of
approximately $4,400,000 for income tax purposes which expire between 2002 and
2008. Due to changes in ownership of the Company, utilization of $2,017,000 of
the tax net operating loss carryforward is limited to approximately $730,000 per
year. The remaining $2,383,000 may be utilized without limitation. In addition,
the Company has approximately $250,000 of tax credit carryforwards, the majority
of which expire between 1998 and 2010. Approximately $21,000 of the tax credit
carryforwards have no expiration.
 
     Deferred income taxes reflect the tax effects of temporary differences
between the carrying amounts of assets and liabilities for financial reporting
purposes and the amounts used for income tax purposes. Significant components of
the Company's deferred tax liabilities and assets are as follows:
 
                                      F-12
<PAGE>   50
 
                      NEOGEN CORPORATION AND SUBSIDIARIES
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
                 (INFORMATION WITH RESPECT TO THE THREE MONTHS
                  ENDED AUGUST 31, 1995 AND 1996 IS UNAUDITED)
 
<TABLE>
<CAPTION>
                                                                          MAY 31,
                                                                ---------------------------
                                                                   1995            1996
                                                                -----------     -----------
    <S>                                                         <C>             <C>
    Deferred Tax Liabilities:
      Depreciation and amortization...........................  $    43,000     $    57,000
      Losses of affiliated partnerships.......................       45,000          47,000
                                                                -----------     -----------
    Total Deferred Tax Liabilities............................       88,000         104,000
                                                                -----------     -----------
    Deferred Tax Assets:
      Net operating loss carryforwards........................    1,594,000       1,496,000
      Tax credit carryforwards................................      204,000         250,000
      Inventory reserves......................................       83,000         216,000
      Other...................................................      120,000         140,000
                                                                -----------     -----------
                                                                  2,001,000       2,102,000
    Valuation Allowance for Deferred Tax Assets                  (1,913,000)     (1,998,000)
                                                                -----------     -----------
    Net Deferred Tax Assets...................................       88,000         104,000
                                                                -----------     -----------
    Net Deferred Tax..........................................  $        --     $        --
                                                                ===========     ===========
</TABLE>
 
     SFAS No. 109 requires that a valuation allowance be recorded against tax
assets which are not likely to be realized. The Company's carryforwards expire
at specific future dates and utilization of certain carryforwards is limited to
specific amounts each year. Due to the uncertain nature of their ultimate
realization based upon past performance and the difficulty predicting future
results, the Company has established a full valuation allowance against these
carryforward benefits and is recognizing the benefits only as reassessment
demonstrates they are realizable. The need for this valuation allowance is
subject to periodic review. If the allowance is reduced, the tax benefits of the
carryforwards will be recorded in future operations as a reduction of the
Company's income tax expense.
 
     The reconciliation of income taxes computed at the U.S. federal statutory
tax rates to income tax expense is as follows:
 
<TABLE>
<CAPTION>
                                                                YEAR ENDED MAY 31,
                                                       ------------------------------------
                                                         1994          1995          1996
                                                       ---------     ---------     --------
    <S>                                                <C>           <C>           <C>
    Tax at U.S. statutory rates......................  $ 300,000     $ 239,000     $(80,000)
      Adjustment of valuation allowance..............   (310,000)     (221,000)      85,000
      Alternative minimum tax........................     20,000         8,000        2,000
      State income taxes, net of tax effect..........      4,000        14,000        4,800
      Other..........................................     12,000       (15,700)      (4,600)
                                                         -------       -------      -------
                                                       $  26,000     $  24,300     $  7,200
                                                         =======       =======      =======
</TABLE>
 
8. DEFINED CONTRIBUTION BENEFIT PLAN
 
     The Company maintains a defined contribution 401(k) benefit plan covering
substantially all employees. Employees are permitted to defer up to 15% of
compensation, with the Company matching 40% (20% for fiscal 1994) of the first
5% deferred. The Company's expense under this plan was $18,573, $38,722 and
$45,402 for the years ended May 31, 1994, 1995 and 1996, and $9,395 and $12,575
for the three months ended August 31, 1995 and 1996, respectively.
 
                                      F-13
<PAGE>   51
 
                      NEOGEN CORPORATION AND SUBSIDIARIES
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
                 (INFORMATION WITH RESPECT TO THE THREE MONTHS
                  ENDED AUGUST 31, 1995 AND 1996 IS UNAUDITED)
 
9. INDUSTRY SEGMENT INFORMATION
 
     The Company has two industry segments through which it conducts its
business - diagnostic products and veterinary instruments. The diagnostic
products segment includes test kits to detect harmful, natural toxins,
pesticides, and microorganisms. These products also include test kits for the
detection of drugs of abuse in race horses, test kits used in research by
universities and pharmaceutical companies, and test kits to detect plant
diseases in ornamental plants, turf grasses, and horticulture crops. In
addition, this segment includes electronic instruments which are primarily used
to monitor environmental conditions and predict the onset of diseases or
emergence of insects. In May 1996, the Company decided to exit its electronic
instruments operations (Note 2).
 
     The veterinary instrument segment includes veterinary instruments to
provide more precise and accurate delivery of animal health products.
 
     The following table summarizes Neogen's industry segment information:
 
<TABLE>
<CAPTION>
                                                                  YEAR ENDED MAY 31,
                                                      -------------------------------------------
                                                         1994            1995            1996
                                                      -----------     -----------     -----------
<S>                                                   <C>             <C>             <C>
Revenues
  Diagnostic products
     Sales of products............................    $ 6,660,039     $ 7,329,962     $ 8,758,920
     Other revenues...............................        144,185         357,583         162,308
                                                       ----------      ----------      ----------
                                                        6,804,224       7,687,545       8,921,228
  Veterinary instruments..........................      3,930,739       4,038,710       3,569,183
                                                       ----------      ----------      ----------
                                                      $10,734,963     $11,726,255     $12,490,411
                                                       ==========      ==========      ==========
Operating Income (Loss)
  Diagnostic products.............................    $   785,775     $   553,925     $    23,876
  Veterinary instruments..........................        136,522          76,067        (263,974)
                                                       ----------      ----------      ----------
                                                      $   922,297     $   629,992     $  (240,098)
                                                       ==========      ==========      ==========
Identifiable Assets
  Diagnostic products.............................    $ 3,953,017     $ 7,185,958     $ 7,202,571
  Veterinary instruments..........................      2,710,417       3,106,950       2,771,532
  Corporate.......................................      2,469,910       1,245,698       1,557,041
                                                       ----------      ----------      ----------
                                                      $ 9,133,344     $11,538,606     $11,531,144
                                                       ==========      ==========      ==========
Depreciation and Amortization Expense
  Diagnostic products.............................    $   193,820     $   307,840     $   437,030
  Veterinary instruments..........................        160,744         180,750         100,202
                                                       ----------      ----------      ----------
                                                      $   354,564     $   488,590     $   537,232
                                                       ==========      ==========      ==========
Capital Expenditures
  Diagnostic products.............................    $    52,971     $   314,334     $   274,496
  Veterinary instruments..........................        136,207         237,638         138,027
                                                       ----------      ----------      ----------
                                                      $   189,178     $   551,972     $   412,523
                                                       ==========      ==========      ==========
</TABLE>
 
                                      F-14
<PAGE>   52
 
                      NEOGEN CORPORATION AND SUBSIDIARIES
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
                 (INFORMATION WITH RESPECT TO THE THREE MONTHS
                  ENDED AUGUST 31, 1995 AND 1996 IS UNAUDITED)
 
     Neogen has no significant foreign operations. Export sales amounted to
$2,232,907 or 21% of consolidated sales in fiscal 1994, $2,851,780 or 25% of
consolidated sales in fiscal 1995 and $2,580,128 or 21% of consolidated sales in
fiscal 1996. These sales were derived primarily in the geographic areas of South
and Latin America, Canada, Europe, and the Far East. No export sales to any
single geographic area exceeded 10% of consolidated sales.
 
10. SUPPLEMENTAL CASH FLOW INFORMATION
 
<TABLE>
<CAPTION>
                                                                               THREE MONTHS ENDED
                                             YEAR ENDED MAY 31,                    AUGUST 31,
                                      --------------------------------         -------------------
                                       1994        1995         1996            1995        1996
                                      -------     -------     --------         -------     -------
<S>                                   <C>         <C>         <C>              <C>         <C>
Cash Paid During the Period For
  Interest........................    $27,489     $90,823     $153,212         $36,627     $38,455
  Taxes on income.................     11,295      30,777       14,000              --          --
</TABLE>
 
                                      F-15
<PAGE>   53
 
- -------------------------------------
- -------------------------------------
 
                                             The Company markets diagnostic
                                             tests for the detection of drug
                                             residues in both food animals and
                                             racing animals under the trade name
                   [Photo 4]                 ELISA Technologies(R).
 
Special delivery                              [Photo 5]
instruments
made by the Company's
subsidiary, Ideal
Instruments,
are used by animal
producers
to more precisely deliver
health products and thereby
help reduce drug residues
in meat and milk.
 
                      [Photo 6]                  The Company's phytophthora test
                                                 kit detects the presence of
                                                 harmful fungal diseases that
                                                 affect crop production and the
                                                 quality of the resulting fruits
                                                 and vegetables.
<PAGE>   54
 
- ------------------------------------------------------
- ------------------------------------------------------
 
     NO DEALER, SALESPERSON OR OTHER PERSON HAS BEEN AUTHORIZED TO GIVE ANY
INFORMATION OR MAKE ANY REPRESENTATIONS OTHER THAN THOSE CONTAINED IN THIS
PROSPECTUS IN CONNECTION WITH THE OFFER MADE BY THIS PROSPECTUS, AND IF GIVEN OR
MADE, SUCH INFORMATION OR REPRESENTATIONS MUST NOT BE RELIED UPON AS HAVING BEEN
AUTHORIZED BY THE COMPANY OR ANY UNDERWRITERS. NEITHER THE DELIVERY OF THIS
PROSPECTUS NOR ANY SALE MADE HEREUNDER SHALL, UNDER ANY CIRCUMSTANCES, CREATE
ANY IMPLICATION THAT THE INFORMATION HEREIN IS CORRECT AS OF ANY TIME SUBSEQUENT
TO THE DATE HEREOF. THIS PROSPECTUS DOES NOT CONSTITUTE AN OFFER TO SELL OR A
SOLICITATION OF AN OFFER TO BUY ANY SECURITIES OFFERED HEREBY BY ANYONE IN ANY
JURISDICTION IN WHICH SUCH OFFER OR SOLICITATION IS NOT AUTHORIZED OR IN WHICH
THE PERSON MAKING SUCH OFFER OR SOLICITATION IS NOT QUALIFIED TO DO SO OR TO
ANYONE TO WHOM IT IS UNLAWFUL TO MAKE SUCH OFFER OR SOLICITATION.
 
                            ------------------------
 
                               TABLE OF CONTENTS
 
<TABLE>
<CAPTION>
                                         PAGE
                                         ----
<S>                                      <C>
Prospectus Summary....................     3
Risk Factors..........................     5
Capitalization........................     7
Use of Proceeds.......................     7
Price Range of Common Stock...........     8
Dividend Policy.......................     8
Selected Consolidated Financial
  Data................................     9
Management's Discussion and Analysis
  of Financial Condition and Results
  of Operations.......................    10
Business..............................    14
Management............................    27
Principal Shareholders................    31
Certain Transactions..................    32
Description of Capital Stock..........    33
Underwriting..........................    35
Legal Matters.........................    36
Experts...............................    36
Additional Information................    36
Available Information.................    36
Incorporation of Certain Documents by
  Reference...........................    37
Index to Consolidated Financial
  Statements..........................   F-1
</TABLE>
 
                            ------------------------
 
     UNTIL NOVEMBER 16, 1996 (25 DAYS AFTER THE EFFECTIVE DATE OF THE OFFERING),
ALL DEALERS EFFECTING TRANSACTIONS IN THE COMMON STOCK, WHETHER OR NOT
PARTICIPATING IN THIS DISTRIBUTION, MAY BE REQUIRED TO DELIVER A PROSPECTUS.
THIS DELIVERY REQUIREMENT IS IN ADDITION TO THE OBLIGATION OF DEALERS TO DELIVER
A PROSPECTUS WHEN ACTING AS UNDERWRITER AND WITH RESPECT TO THEIR UNSOLD
ALLOTMENTS OR SUBSCRIPTIONS.
 
- ------------------------------------------------------
- ------------------------------------------------------
 
- ------------------------------------------------------
- ------------------------------------------------------
 
                                1,500,000 SHARES
 
                                  [NEOGEN LOGO]
 
                                  COMMON STOCK
                          ---------------------------
                                   PROSPECTUS
                          ---------------------------
                              [RONEY & CO. LOGO]
 
                                THE OHIO COMPANY
 
                                October 22, 1996
 
- ------------------------------------------------------
- ------------------------------------------------------


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