NIEMIN PORTER & CO
S-4/A, 1999-04-16
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<PAGE>   1
 
   
     AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON APRIL 16, 1999
    
   
                                                      REGISTRATION NO. 333-72455
    
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
 
                                 UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549
 
                            ------------------------
 
   
                                AMENDMENT NO. 1
    
 
   
                                       TO
    
 
                                    FORM S-4
                             REGISTRATION STATEMENT
                                     UNDER
                           THE SECURITIES ACT OF 1933
 
                            ------------------------
 
                             NEENAH FOUNDRY COMPANY
             (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER)
 
<TABLE>
<S>                                  <C>                                  <C>
             WISCONSIN                               3321                              39-1580331
  (STATE OR OTHER JURISDICTION OF        (PRIMARY STANDARD INDUSTRIAL               (I.R.S. EMPLOYER
   INCORPORATION OR ORGANIZATION)        CLASSIFICATION CODE NUMBER)              IDENTIFICATION NO.)
</TABLE>
 
                          2121 BROOKS AVENUE, BOX 729,
                            NEENAH, WISCONSIN 54927
   
                                 (920) 725-7000
    
         (ADDRESS, INCLUDING ZIP CODE, AND TELEPHONE NUMBER, INCLUDING
            AREA CODE, OF REGISTRANT'S PRINCIPAL EXECUTIVE OFFICES)
 
                            ------------------------
 
                               C/O GARY W. LACHEY
               VICE PRESIDENT -- FINANCE, TREASURER AND SECRETARY
                          2121 BROOKS AVENUE, BOX 729,
                            NEENAH, WISCONSIN 54927
   
                                 (920) 725-7000
    
           (NAME, ADDRESS, INCLUDING ZIP CODE, AND TELEPHONE NUMBER,
                   INCLUDING AREA CODE, OF AGENT FOR SERVICE)
 
                            ------------------------
 
                                    COPY TO:
                                 LANCE C. BALK
                                KIRKLAND & ELLIS
                              153 EAST 53RD STREET
                         NEW YORK, NEW YORK 10022-4675
                           TELEPHONE: (212) 446-4800
 
                            ------------------------
 
     APPROXIMATE DATE OF COMMENCEMENT OF PROPOSED SALE TO THE PUBLIC: As soon as
practicable after this Registration Statement becomes effective.
 
     If the securities being registered on this Form are being offered in
connection with the formation of a holding company and there is compliance with
General Instruction G, check the following box.  [ ]
 
                            ------------------------
 
     THE REGISTRANT HEREBY AMENDS THIS REGISTRATION STATEMENT ON SUCH DATE OR
DATES AS MAY BE NECESSARY TO DELAY ITS EFFECTIVE DATE UNTIL THE REGISTRANT SHALL
FILE A FURTHER AMENDMENT WHICH SPECIFICALLY STATES THAT THIS REGISTRATION
STATEMENT SHALL THEREAFTER BECOME EFFECTIVE IN ACCORDANCE WITH SECTION 8(a) OF
THE SECURITIES ACT OF 1933 OR UNTIL THIS REGISTRATION STATEMENT SHALL BECOME
EFFECTIVE ON SUCH DATE AS THE COMMISSION, ACTING PURSUANT TO SAID SECTION 8(a),
MAY DETERMINE.
 
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
<PAGE>   2
 
<TABLE>
<S>                             <C>                             <C>
                                 HARTLEY CONTROLS CORPORATION
                      (EXACT NAME OF REGISTRANT AS SPECIFIED IN CHARTER)
 
           WISCONSIN                         3321                         39-0842568
(STATE OR OTHER JURISDICTION OF  (PRIMARY STANDARD INDUSTRIAL          (I.R.S. EMPLOYER
INCORPORATION OR ORGANIZATION)    CLASSIFICATION CODE NUMBER)         IDENTIFICATION NO.)
 
                                    NEENAH TRANSPORT, INC.
                      (EXACT NAME OF REGISTRANT AS SPECIFIED IN CHARTER)
 
           WISCONSIN                         3321                         39-1378433
(STATE OR OTHER JURISDICTION OF  (PRIMARY STANDARD INDUSTRIAL          (I.R.S. EMPLOYER
INCORPORATION OR ORGANIZATION)    CLASSIFICATION CODE NUMBER)         IDENTIFICATION NO.)
 
                                     DEETER FOUNDRY, INC.
                      (EXACT NAME OF REGISTRANT AS SPECIFIED IN CHARTER)
 
           NEBRASKA                          3321                         47-0355148
(STATE OR OTHER JURISDICTION OF  (PRIMARY STANDARD INDUSTRIAL          (I.R.S. EMPLOYER
INCORPORATION OR ORGANIZATION)    CLASSIFICATION CODE NUMBER)         IDENTIFICATION NO.)
 
                                   MERCER FORGE CORPORATION
                      (EXACT NAME OF REGISTRANT AS SPECIFIED IN CHARTER)
 
           DELAWARE                          3321                         25-1511711
(STATE OR OTHER JURISDICTION OF  (PRIMARY STANDARD INDUSTRIAL          (I.R.S. EMPLOYER
INCORPORATION OR ORGANIZATION)    CLASSIFICATION CODE NUMBER)         IDENTIFICATION NO.)
 
                                    A & M SPECIALTIES, INC.
                      (EXACT NAME OF REGISTRANT AS SPECIFIED IN CHARTER)
 
         PENNSYLVANIA                        3321                         25-1741756
(STATE OR OTHER JURISDICTION OF  (PRIMARY STANDARD INDUSTRIAL          (I.R.S. EMPLOYER
INCORPORATION OR ORGANIZATION)    CLASSIFICATION CODE NUMBER)         IDENTIFICATION NO.)
 
                                 ADVANCED CAST PRODUCTS, INC.
                      (EXACT NAME OF REGISTRANT AS SPECIFIED IN CHARTER)
 
           DELAWARE                          3321                         25-1607691
(STATE OR OTHER JURISDICTION OF  (PRIMARY STANDARD INDUSTRIAL          (I.R.S. EMPLOYER
INCORPORATION OR ORGANIZATION)    CLASSIFICATION CODE NUMBER)         IDENTIFICATION NO.)
 
                                      BELCHER CORPORATION
                      (EXACT NAME OF REGISTRANT AS SPECIFIED IN CHARTER)
 
           DELAWARE                          3321                         52-1643193
(STATE OR OTHER JURISDICTION OF  (PRIMARY STANDARD INDUSTRIAL          (I.R.S. EMPLOYER
INCORPORATION OR ORGANIZATION)    CLASSIFICATION CODE NUMBER)         IDENTIFICATION NO.)
 
                                     PEERLESS CORPORATION
                      (EXACT NAME OF REGISTRANT AS SPECIFIED IN CHARTER)
 
             OHIO                            3321                         52-1644462
(STATE OR OTHER JURISDICTION OF  (PRIMARY STANDARD INDUSTRIAL          (I.R.S. EMPLOYER
INCORPORATION OR ORGANIZATION)    CLASSIFICATION CODE NUMBER)         IDENTIFICATION NO.)
</TABLE>
<PAGE>   3
<TABLE>
<S>                             <C>                             <C>
                                      DALTON CORPORATION
                      (EXACT NAME OF REGISTRANT AS SPECIFIED IN CHARTER)
 
            INDIANA                          3321                         35-0259770
(STATE OR OTHER JURISDICTION OF  (PRIMARY STANDARD INDUSTRIAL          (I.R.S. EMPLOYER
INCORPORATION OR ORGANIZATION)    CLASSIFICATION CODE NUMBER)         IDENTIFICATION NO.)
 
                                      DALTON CORPORATION,
                                 WARSAW MANUFACTURING FACILITY
                      (EXACT NAME OF REGISTRANT AS SPECIFIED IN CHARTER)
 
            INDIANA                          3321                         35-2054775
(STATE OR OTHER JURISDICTION OF  (PRIMARY STANDARD INDUSTRIAL          (I.R.S. EMPLOYER
INCORPORATION OR ORGANIZATION)    CLASSIFICATION CODE NUMBER)         IDENTIFICATION NO.)
 
                                      DALTON CORPORATION,
                                ASHLAND MANUFACTURING FACILITY
                      (EXACT NAME OF REGISTRANT AS SPECIFIED IN CHARTER)
 
             OHIO                            3321                         34-1873079
(STATE OR OTHER JURISDICTION OF  (PRIMARY STANDARD INDUSTRIAL          (I.R.S. EMPLOYER
INCORPORATION OR ORGANIZATION)    CLASSIFICATION CODE NUMBER)         IDENTIFICATION NO.)
 
                                      DALTON CORPORATION,
                              KENDALLVILLE MANUFACTURING FACILITY
                      (EXACT NAME OF REGISTRANT AS SPECIFIED IN CHARTER)
 
            INDIANA                          3321                         35-2054777
(STATE OR OTHER JURISDICTION OF  (PRIMARY STANDARD INDUSTRIAL          (I.R.S. EMPLOYER
INCORPORATION OR ORGANIZATION)    CLASSIFICATION CODE NUMBER)         IDENTIFICATION NO.)
 
                                STRYKER MACHINING FACILITY CO.
                      (EXACT NAME OF REGISTRANT AS SPECIFIED IN CHARTER)
 
             OHIO                            3321                         34-1873080
(STATE OR OTHER JURISDICTION OF  (PRIMARY STANDARD INDUSTRIAL          (I.R.S. EMPLOYER
INCORPORATION OR ORGANIZATION)    CLASSIFICATION CODE NUMBER)         IDENTIFICATION NO.)
 
                                      NIEMIN PORTER & CO.
                      (EXACT NAME OF REGISTRANT AS SPECIFIED IN CHARTER)
 
          CALIFORNIA                         3321                         33-0071223
(STATE OR OTHER JURISDICTION OF  (PRIMARY STANDARD INDUSTRIAL          (I.R.S. EMPLOYER
INCORPORATION OR ORGANIZATION)    CLASSIFICATION CODE NUMBER)         IDENTIFICATION NO.)
</TABLE>
<PAGE>   4
 
PROSPECTUS
   
[                ], 1999
    
                             NEENAH FOUNDRY COMPANY
 
 OFFER FOR ALL OUTSTANDING 11 1/8% SERIES E SENIOR SUBORDINATED NOTES DUE 2007
      IN EXCHANGE FOR 11 1/8% SERIES F SENIOR SUBORDINATED NOTES DUE 2007
 
      THIS EXCHANGE OFFER WILL EXPIRE AT 5:00 P.M., NEW YORK CITY TIME ON
                              [           ], 1999
                                UNLESS EXTENDED.
   
                            TERMS OF EXCHANGE NOTES
    
 
   
MATURITY:
    
 
   
May 1, 2007.
    
 
REDEMPTION:
 
- - We may redeem the exchange notes at any time on or after May 1, 2002.
 
   
- - Before May 1, 2000, we may, subject to certain requirements, redeem up to 40%
  of the exchange notes with the proceeds of certain types of public offerings
  of equity in Neenah, our parent company, or the parent of our parent company.
    
 
MANDATORY OFFER TO REPURCHASE:
 
- - If we sell all or substantially all of our assets or experience specific kinds
  of changes in control, we may be required to offer to repurchase the exchange
  notes.
 
SECURITY:
 
- - The exchange notes and the guarantees by our guarantor subsidiaries are
  unsecured.
GUARANTEES:
 
- - If we cannot make payments on the exchange notes when due, our guarantor
  subsidiaries must make them instead.
 
   
RANKING:
    
 
- - These exchange notes and the subsidiary guarantees rank:
 
   
  1. behind all of our and our guarantor subsidiaries' current and future senior
     indebtedness (other than trade payables);
    
 
  2. equal with all of our and our guarantor subsidiaries' other current and
     future senior subordinated indebtedness; and
 
  3. ahead of all of our and our guarantor subsidiaries' other current and
     future indebtedness that expressly provides that it is not senior to these
     exchange notes and the subsidiary guarantees.
 
INTEREST:
 
- - Fixed annual rate of 11 1/8%.
 
- - Paid every six months on May 1 and November 1.
 
   
THIS INVESTMENT INVOLVES RISK. SEE "RISK FACTORS" BEGINNING ON PAGE 9.
    
 
Neither the Securities and Exchange Commission nor any state securities
commission has approved or disapproved of the exchange notes or determined if
this prospectus is truthful or complete. Any representation to the contrary is a
criminal offense.
 
THE INFORMATION IN THIS PROSPECTUS IS NOT COMPLETE AND MAY BE CHANGED. WE MAY
NOT SELL THESE SECURITIES UNTIL THE REGISTRATION STATEMENT FILED WITH THE
SECURITIES AND EXCHANGE COMMISSION IS EFFECTIVE. THIS PROSPECTUS IS NOT AN OFFER
TO SELL THESE SECURITIES AND IS NOT SOLICITING AN OFFER TO BUY THESE SECURITIES
IN ANY STATE WHERE THE OFFER OR SALE IS NOT PERMITTED.
<PAGE>   5
 
                               TABLE OF CONTENTS
 
   
<TABLE>
<CAPTION>
                                        PAGE
                                        ----
<S>                                     <C>
Prospectus Summary..................      1
Risk Factors........................      9
Use of Proceeds.....................     16
Capitalization......................     17
Selected Consolidated Financial and
  Other Data........................     18
Management's Discussion and Analysis
  of Financial Condition and Results
  of Operations.....................     21
Business............................     30
Management..........................     49
Ownership of Securities.............     53
Certain Relationships and Related
  Transactions......................     53
</TABLE>
    
 
   
<TABLE>
<CAPTION>
                                        PAGE
                                        ----
<S>                                     <C>
Description of Senior Bank
  Facilities........................     54
Description of Notes................     59
Exchange Offer......................    102
Certain United States Federal Income
  Tax Considerations................    109
Plan of Distribution................    110
Legal Matters.......................    111
Experts.............................    111
Incorporation of Certain Documents
  by Reference......................    112
Available Information...............    113
Index to the Financial Statements of
  Dalton Corporation................    F-1
</TABLE>
    
<PAGE>   6
 
                               PROSPECTUS SUMMARY
 
   
     The following summary contains basic information about this exchange offer.
It probably does not contain all the information that is important to you. For a
more complete understanding of this exchange offer, we encourage you to read
this entire document and the documents we have referred you to.
    
 
     In addition, our management has estimated the market share percentages
provided in this prospectus. We believe these estimates to be reliable, but
these numbers have not been verified by an independent source.
 
   
                             THE OLD NOTE OFFERING
    
 
   
Old Notes..................  We sold the old notes to Chase Securities Inc. on
                             November 24, 1998 in accordance with the terms of a
                             purchase agreement. The initial purchaser
                             subsequently resold the old notes to qualified
                             institutional buyers in accordance with Rule 144A
                             under the Securities Act of 1933.
    
 
   
Exchange and Registration
  Rights Agreement.........  As required in the purchase agreement, we and the
                             initial purchaser entered into a registration
                             rights agreement on November 24, 1998 which granted
                             it and any subsequent holders of the old notes
                             certain exchange and registration rights. The
                             exchange offer is intended to satisfy those
                             exchange and registration rights. The exchange and
                             registration rights we granted will terminate upon
                             the consummation of our exchange offer.
    
 
   
                               THE EXCHANGE OFFER
    
 
   
Securities Offered.........  Up to $87,000,000 of 11 1/8% Series F Senior
                             Subordinated Notes due 2007. The terms of the
                             exchange notes and old notes are identical in all
                             material respects, except for certain transfer
                             restrictions and registration rights relating to
                             the old notes.
    
 
   
The Exchange Offer.........  We are offering to exchange the old notes for a
                             like principal amount of exchange notes. Old notes
                             may be exchanged only in integral principal
                             multiples of $1,000.
    
 
   
Expiration Date; Withdrawal
  of Tender................  Our exchange offer will expire 5:00 p.m. New York
                             City time, on [          , 1999], or such later
                             date and time as we may extend. Your tender of old
                             notes in accordance with the terms of our exchange
                             offer may be withdrawn at any time prior to the
                             expiration date. Any old notes not accepted by us
                             for exchange for any reason will be returned to you
                             without expense as promptly as we can after the
                             expiration or termination of our exchange offer.
    
 
   
Certain Conditions to the
  Exchange Offer...........  Based on an interpretation by the staff of the
                             Securities and Exchange Commission set forth in
                             no-action letters issued to third parties, we
                             believe that the exchange notes issued by us in
                             accordance with the terms of this exchange offer in
                             exchange for the old notes may be offered for
                             resale, resold and otherwise transferred by you
                             without compliance with the registration and
    
 
                                        1
<PAGE>   7
 
   
                             prospectus delivery provisions of the Securities
                             Act of 1933, provided that:
    
 
   
                                  - such exchange notes are acquired in the
                                    ordinary course of your business,
    
 
   
                                  - you do not intend to participate and have no
                                    arrangement or understanding with any person
                                    to participate in the distribution of such
                                    exchange notes and
    
 
   
                                  - you are not our "affiliate" within the
                                    meaning of Rule 405 under the Securities Act
                                    of 1933.
    
 
   
                             Our obligation to accept for exchange, or to issue
                             the exchange notes in exchange for, any old notes
                             is subject to certain customary conditions relating
                             to compliance with any applicable law, or any
                             applicable interpretation by any staff of the
                             Securities and Exchange Commission, or any order of
                             any governmental agency or court of law. We
                             currently expect that each of the conditions will
                             be satisfied and that no waivers will be necessary.
                             See "The Exchange Offer -- Conditions."
    
 
   
Procedures for Tendering
  Old Notes................  Each holder of old notes wishing to accept the
                             exchange offer must complete, sign and date the
                             Letter of Transmittal, or a facsimile, and mail or
                             otherwise deliver such Letter of Transmittal, or
                             such facsimile, together with such old notes and
                             any other required documentation, to the exchange
                             agent at the address set forth in the section "The
                             Exchange Offer" under the heading "Procedures for
                             Tendering Old Notes."
    
 
   
Use of Proceeds............  We will not receive any proceeds from the exchange
                             of notes according to the terms of our exchange
                             offer.
    
 
   
Exchange Agent.............  United States Trust Company of New York is serving
                             as the exchange agent in connection with our
                             exchange offer.
    
 
   
Federal Income Tax
  Consequences.............  The exchange of old notes in accordance with the
                             terms of this exchange offer should not be a
                             taxable event to you for federal income tax
                             purposes. See "Certain Federal Income Tax
                             Considerations."
    
 
   
                               THE EXCHANGE NOTES
    
 
   
The terms of the exchange notes are identical in all material respects to the
terms of the old notes, except that the old notes differed with respect to
certain transfer restrictions and certain registration rights.
    
 
   
Issuer........................   Neenah Foundry Company.
    
 
   
Total Amount of Exchange Notes
  Offered.....................   Up to $87.0 million in principal amount of
                                 Series F Senior Subordinated Notes.
    
 
   
Maturity......................   May 1, 2007.
    
 
   
Interest......................   Annual rate -- 11 1/8%.
    
 
                                        2
<PAGE>   8
 
   
                                 Payment frequency -- every six months on May 1
                                 and November 1.
    
 
   
                                 First payment -- May 1, 1999.
    
 
   
Optional Redemption...........   On or after May 1, 2002, we may redeem some or
                                 all of the exchange notes and any outstanding
                                 old notes at any time at the redemption prices
                                 listed in the section "Description of Notes"
                                 under the heading "Optional Redemption."
    
 
   
                                 Before May 1, 2000, we may, subject to certain
                                 requirements, redeem up to 40% of the exchange
                                 notes and old notes with the proceeds of
                                 certain public offerings of equity in our
                                 company, our parent company, or the parent of
                                 our parent company at the price listed in the
                                 section "Description of Notes" under the
                                 heading "Optional Redemption." If less than 60%
                                 of exchange notes and old notes will remain
                                 outstanding immediately after any such
                                 redemption, we cannot consummate such
                                 redemption.
    
 
   
Change of Control.............   Before May 1, 2002, we may, upon the occurrence
                                 of a change of control event, redeem the
                                 exchange notes and any outstanding old notes at
                                 a price listed in the section "Description of
                                 Notes" under the heading "Change of Control."
    
 
   
                                 We may be required to offer to repurchase the
                                 exchange notes and any old notes at a price
                                 listed in the section "Description of Notes"
                                 under the heading "Change of Control" if:
    
 
   
                                      - Prior to May 1, 2002, we do not exercise
                                        our option upon the occurrence of a
                                        change of control event to redeem the
                                        notes, or
    
 
   
                                      - After May 1, 2002, a change of control
                                        event occurs.
    
 
   
Subsidiary Guarantees.........   The exchange notes will be fully guaranteed on
                                 an unsecured, senior subordinated basis by each
                                 guarantor subsidiary. Each guarantor subsidiary
                                 is our wholly owned subsidiary and a principal
                                 operating subsidiary. Certain of our future
                                 domestic subsidiaries that incur indebtedness
                                 and all future foreign subsidiaries that
                                 guarantee the senior bank facilities will also
                                 guarantee the exchange notes.
    
 
   
                                 If we cannot make payments on the exchange
                                 notes when they are due, the guarantor
                                 subsidiaries must make them instead.
    
 
   
                                 The guarantor subsidiaries are also guarantors
                                 of our senior bank facilities and are jointly
                                 and severally liable with us on a senior basis
                                 for such obligations.
    
 
   
                                 To secure the obligations under our senior bank
                                 facilities, we pledged the capital stock of our
                                 company and our guarantor subsidiaries. We and
                                 the guarantor subsidiaries also granted
                                 security interests in, or liens on,
                                 substantially all other tangi-
    
 
                                        3
<PAGE>   9
 
   
                                 ble and intangible assets of our company and
                                 our guarantor subsidiaries.
    
 
   
Ranking of the Exchange
Notes.........................   These exchange notes will be, and the
                                 subsidiary guarantees are, senior subordinated
                                 debts, ranking:
    
 
   
                                      - behind all of our and our guarantor
                                        subsidiaries' current and future senior
                                        indebtedness (other than trade
                                        payables);
    
 
   
                                      - equal with all of our and our guarantor
                                        subsidiaries' other senior subordinated
                                        indebtedness; and
    
 
   
                                      - ahead of all of our and our guarantor
                                        subsidiaries' other current and future
                                        subordinated indebtedness.
    
 
   
                                 Assuming we had completed this exchange offer
                                 on December 31, 1998 and applied the proceeds
                                 as intended, the exchange notes and the
                                 subsidiary guarantees:
    
 
   
                                      - would have been subordinated to $145.1
                                        million of senior debt, excluding $4.6
                                        million of outstanding letters of
                                        credit;
    
 
   
                                      - would have ranked equally with $195.0
                                        million principal amount of other senior
                                        subordinated debt; and
    
 
   
                                      - would not have ranked senior to any
                                        other debt.
    
 
   
Basic Covenants of the
  Indenture...................   We will issue the exchange notes under an
                                 indenture with United States Trust Company of
                                 New York, as trustee. The indenture will, among
                                 other things, place certain limitations on our
                                 ability, and the ability of some of our
                                 subsidiaries, to:
    
 
   
                                      - borrow money or make certain restricted
                                        payments,
    
 
   
                                      - change the nature of the business,
    
 
   
                                      - pay dividends on stock or repurchase
                                        stock and certain subordinated
                                        obligations,
    
 
   
                                      - enter into sale and lease back
                                        transactions,
    
 
   
                                      - make investments,
    
 
   
                                      - enter into transactions with affiliates,
    
 
   
                                      - use assets as security in other
                                        transactions,
    
 
   
                                      - create liens, and
    
 
   
                                      - sell certain assets or merge with or
                                        into other companies.
    
 
   
                                 For more details, see the section "Description
                                 of Notes" under the heading, "Certain
                                 Covenants" and "Merger and Consolidation."
    
 
   
Transfer Restrictions.........   The exchange notes are new securities, and
                                 there is currently no established market for
                                 them. We do not intend to list the exchange
                                 notes on any securities exchange.
    
 
                                        4
<PAGE>   10
 
   
                             NEENAH FOUNDRY COMPANY
    
 
OVERVIEW
 
   
     Neenah, founded in 1872, is one of the largest manufacturers of a wide
range of high quality ductile and gray iron castings for the heavy municipal
market and selected segments of the industrial market.
    
 
   
     We believe Neenah is the largest manufacturer of heavy municipal iron
castings in the United States with approximately a 19% market share in fiscal
1998. Our broad range of heavy municipal iron castings includes:
    
 
   
     - manhole covers and frames,
    
 
   
     - storm sewer frames and grates,
    
 
   
     - heavy duty airport castings,
    
 
   
     - specialized trench drain castings,
    
 
   
     - specialty flood control castings and
    
 
   
     - ornamental tree grates.
    
 
   
We sell these municipal castings throughout the United States to state and local
government entities, utility companies, precast concrete manhole structure
producers and contractors for both new construction and infrastructure
replacement. The municipal market generated approximately 41% of our net sales
for the year ended September 30, 1998.
    
 
   
     We also believe we are a leading manufacturer of a wide range of complex
industrial castings, including:
    
 
   
     - castings for medium- and heavy-duty truck drive line components,
    
 
   
     - a broad range of castings for the farm equipment industry and
    
 
   
     - specific components for compressors used in heating, ventilation and air
       conditioning systems.
    
 
   
The industrial market generated approximately 56% of our net sales for the year
ended September 30, 1998.
    
 
   
     In addition, we engineer, manufacture and sell customized sand control
systems and related products, which are an essential part of the casting
process, to other iron foundries. Sales of these sand control systems and
related products represented approximately 3% of our net sales for the year
ended September 30, 1998.
    
 
   
RECENT ACQUISITIONS
    
 
   
     On March 30, 1998, we acquired the capital stock of Deeter Foundry, Inc.
for $24.3 million, excluding fees and expenses of $0.3 million. Since 1945,
Deeter has been producing gray iron castings for the heavy municipal market.
Deeter's municipal casting product line includes:
    
 
   
     - manhole frames and covers,
    
 
   
     - storm sewer inlet frames,
    
 
   
     - grates and curbs,
    
 
   
     - trench grating and
    
 
   
     - tree grates.
    
 
                                        5
<PAGE>   11
 
Deeter also produces a wide variety of special application construction
castings. These products are used in waste treatment plants, airports, telephone
and electrical construction projects.
 
   
     On April 3, 1998, we acquired all the capital stock of Mercer Forge
Corporation for $47.0 million in cash, excluding fees and expenses of $0.5
million. Founded in 1954, Mercer is a leading producer of complex-shaped forged
components for use in transportation, railroad, mining and heavy industrial
applications. Mercer is also a leading producer of microalloy forgings. Mercer
sells directly to original equipment manufacturers, as well as to industrial end
users.
    
 
   
     On September 8, 1998, we acquired all the capital stock of Dalton
Corporation for $102.0 million in cash, excluding fees and expenses of $0.6
million. Dalton manufactures and sells gray iron castings for refrigeration
systems, air conditioners, heavy equipment, engines, gear boxes, stationary
transmissions, heavy duty truck transmissions and other automotive parts.
    
 
   
     On September 8, 1998, ACP Holding Company contributed the capital stock of
Advanced Cast Products, Inc. to our company. In connection with the
contribution, we assumed $14.9 million of indebtedness of Advanced Cast
Products, Inc. and refinanced $14.6 million of the assumed indebtedness with
borrowings under our senior bank facilities. Advanced Cast Products, Inc. is a
leading independent manufacturer of ductile and malleable iron castings that are
produced through both traditional casting methods and through its Evapcast lost
foam casting process. Advanced Cast Products, Inc.'s production capabilities
also include a range of finishing operations including austempering and
machining. Advanced Cast Products, Inc. sells its products primarily to
companies in the heavy truck, construction equipment, railroad, mining,
electrical fittings and automotive industries.
    
 
   
     On December 31, 1998, we acquired Niemin Porter & Co., which conducts its
business under the name Cast Alloys, Inc., and its subsidiary, International
Golf, S.A. de C.V., a corporation organized under the laws of the United Mexican
States, for $42.0 million in cash, subject to a post-closing adjustment. Cast
Alloys' principal business is the manufacture of investment-cast titanium and
stainless steel golf club heads. Cast Alloys' wholly owned subsidiary,
International Golf, operates as a cost center for Cast Alloys and is also
principally involved in the manufacture of investment-cast titanium and
stainless steel golf club heads.
    
 
   
     THROUGHOUT THIS PROSPECTUS, WE REFER TO THE ACQUISITIONS DESCRIBED ABOVE AS
THE "RECENT ACQUISITIONS" AND TO THE SUBSIDIARIES AS THE "RECENTLY ACQUIRED
SUBSIDIARIES." WE REFER TO THE FACILITIES AVAILABLE UNDER OUR EXISTING AMENDED
AND RESTATED CREDIT AGREEMENT AS THE "SENIOR BANK FACILITIES." SEE "DESCRIPTION
OF THE SENIOR BANK FACILITIES."
    
 
   
     The address for our company and each of the guarantor subsidiaries is 2121
Brooks Avenue, Box 729, Neenah, Wisconsin 54927 and the telephone number is
(920) 725-7000.
    
 
                                  RISK FACTORS
 
     Holders of old notes should carefully consider all of the information set
forth in this prospectus.
 
   
     SEE "RISK FACTORS" BEGINNING ON PAGE 9 FOR A DISCUSSION OF FACTORS THAT YOU
SHOULD CONSIDER IN CONNECTION WITH YOUR INVESTMENT IN THE EXCHANGE NOTES.
    
 
                                        6
<PAGE>   12
 
                 SUMMARY CONSOLIDATED FINANCIAL AND OTHER DATA
 
   
     The following table sets forth summary consolidated financial and other
data of:
    
 
   
     (1) Neenah Corporation, Neenah's predecessor company, as of March 31, 1994,
         1995, 1996 and 1997 and April 30, 1997 and for each of the years ended
         March 31, 1994, 1995, 1996 and 1997 and the one month period ended
         April 30, 1997, which have been derived from Neenah Corporation's
         consolidated financial statements which have been audited by Ernst &
         Young LLP, other than the consolidated balance sheets as of March 31,
         1994 and April 30, 1997, which were audited by another independent
         auditor,
    
 
   
     (2) Neenah as of September 30, 1997 and 1998 and for the five months ended
         September 30, 1997 and for the year ended September 30, 1998, which
         have been derived from Neenah's consolidated financial statements which
         have been audited by Ernst & Young LLP and
    
 
   
     (3) Neenah as of December 31, 1997 and 1998 and for the three months ended
         December 31, 1997 and 1998 which have been derived from Neenah's
         unaudited interim condensed consolidated financial statements and
         include, in the opinion of management, all adjustments (consisting only
         of normal recurring accruals) necessary for a fair presentation of the
         results of operations and financial position for and as of the end of
         such period. Results of operations for the interim periods are not
         necessarily indicative of the results to be expected for the full year
         or any other future period.
    
 
   
     We have included information concerning earnings before interest, taxes,
depreciation and amortization ("EBITDA") because we believe that EBITDA is
generally accepted as providing useful information regarding a company's ability
to service and/or incur debt. EBITDA should not be considered in isolation or as
a substitute for net income, cash flows or other income or cash flow data
prepared in accordance with generally accepted accounting principles or as a
measure of a company's profitability or liquidity. We understand that, while
EBITDA is frequently used by securities analysts in the evaluation of companies,
EBITDA, as used in this prospectus, is not necessarily comparable to other
similarly titled captions of other companies due to potential inconsistencies in
the method of calculation. EBITDA is not intended as an alternative to cash flow
from operating activities as a measure of liquidity, an alternative to net
income as an indicator of our operating performance or an alternative to any
other measure of performance in conformity with generally accepted accounting
principles.
    
 
   
     The summary financial and other data should be read in conjunction with
"Capitalization," "Selected Consolidated Financial and Other Data" and
"Management's Discussion and Analysis of Financial Condition and Results of
Operations" included elsewhere in this prospectus and the consolidated financial
statements and related notes of Neenah incorporated in this prospectus by
reference.
    
 
                                        7
<PAGE>   13
 
                 SUMMARY CONSOLIDATED FINANCIAL AND OTHER DATA
   
<TABLE>
<CAPTION>
                                                 PREDECESSOR COMPANY
                            -------------------------------------------------------------    FIVE MONTHS        YEAR
                                   FISCAL YEAR ENDED MARCH 31,              ONE MONTH           ENDED           ENDED
                            -----------------------------------------         ENDED         SEPTEMBER 30,   SEPTEMBER 30,
                              1994       1995       1996       1997      APRIL 30, 1997        1997(3)          1998
                            --------   --------   --------   --------   -----------------   -------------   -------------
                                                               (DOLLARS IN THOUSANDS)
<S>                         <C>        <C>        <C>        <C>        <C>                 <C>             <C>
STATEMENT OF INCOME DATA:
  Net sales...............  $131,982   $160,621   $166,951   $165,426       $ 17,276          $108,353        $ 303,414
  Gross profit............    25,451     39,640     45,320     48,690          5,925            30,909           80,963
  Operating income........    11,837     22,967     28,337     31,143          4,173            18,357           50,006
  Interest expense
    (income), net.........     1,043        397       (481)    (1,162)          (121)            9,991           27,203
  Net income (loss).......     6,581     13,704     17,142     19,838          2,679             2,736           11,489
BALANCE SHEET DATA (AT END
  OF PERIOD):
  Cash and cash
    equivalents...........  $    118   $    238   $ 10,126   $ 22,403       $ 29,043          $ 20,346        $  19,798
  Working capital(1)......    14,596     15,174     18,094     21,438         21,124            23,175           62,573
  Total assets............    74,327     73,813     82,957     93,869        103,402           358,406          584,309
  Total debt..............    13,325        887        241        134            128           218,413          371,871
  Total stockholders'
    equity................    37,929     43,198     54,790     68,857         74,883            47,407           67,922
 
OTHER DATA:
  EBITDA..................  $ 18,577   $ 29,809   $ 35,113   $ 38,024       $  4,691          $ 26,056        $  69,660
  Depreciation and
    amortization..........     6,740      6,842      6,776      6,881            518             7,699           19,654
  Capital expenditures....     4,583      3,665      7,275      4,546            190             3,081           13,117
  Net cash provided by
    (used in):
    Operating
      activities..........    18,301     23,581     22,273     23,479          3,917            25,160           24,236
    Investing
      activities..........    (4,949)    (3,412)    (7,299)    (3,104)          (191)          (14,702)        (182,168)
    Financing
      activities..........   (13,313)   (20,049)    (5,086)    (8,098)         2,917            (1,656)         157,384
  Cash interest
    expense(2)............     1,049        624         84         39              1            10,016           27,383
 
<CAPTION>
 
                            THREE MONTHS   THREE MONTHS
                               ENDED          ENDED
                            DECEMBER 31,   DECEMBER 31,
                                1997           1998
                            ------------   ------------
                              (DOLLARS IN THOUSANDS)
<S>                         <C>            <C>
STATEMENT OF INCOME DATA:
  Net sales...............    $ 57,988       $115,264
  Gross profit............      15,275         21,772
  Operating income........       8,965         10,097
  Interest expense
    (income), net.........       5,840          9,907
  Net income (loss).......       1,616           (359)
BALANCE SHEET DATA (AT END
  OF PERIOD):
  Cash and cash
    equivalents...........    $ 21,994       $ 34,683
  Working capital(1)......      26,782         75,001
  Total assets............     348,511        638,608
  Total debt..............     212,389        432,271
  Total stockholders'
    equity................      55,770         67,563
OTHER DATA:
  EBITDA..................    $ 12,766       $ 18,923
  Depreciation and
    amortization..........       3,801          8,826
  Capital expenditures....       1,612          6,856
  Net cash provided by
    (used in):
    Operating
      activities..........       2,473          6,780
    Investing
      activities..........      (1,612)       (49,340)
    Financing
      activities..........         787         57,445
  Cash interest
    expense(2)............       6,047         10,172
</TABLE>
    
 
- ---------------
 
(1) Working capital represents total current assets (excluding cash and cash
    equivalents) less total current liabilities (excluding the revolving credit
    facility and the current portion of long-term debt).
 
   
(2) Cash interest expense is defined as interest expense less amortization of
    debt issuance cost plus amortization of premium on senior subordinated notes
    issued July 1, 1997 and November 24, 1998.
    
 
   
(3) Neenah changed its fiscal year end to September 30 from March 31 effective
    September 30, 1997.
    
 
                                        8
<PAGE>   14
 
                                  RISK FACTORS
 
   
SUBSTANTIAL LEVERAGE -- OUR SUBSTANTIAL INDEBTEDNESS COULD ADVERSELY AFFECT THE
FINANCIAL HEALTH OF OUR COMPANY AND PREVENT US FROM FULFILLING OUR OBLIGATIONS
UNDER THESE EXCHANGE NOTES.  We currently have and, after the offering, will
continue to have a significant amount of indebtedness, including any
indebtedness we incur to complete future acquisitions. The following chart
presents our total indebtedness and our indebtedness senior to the exchange
notes as of December 31, 1998 and our ratio of earnings to fixed charges for the
year ended September 30, 1998 and the three months ended December 31, 1998:
    
 
<TABLE>
<CAPTION>
                                                                        AT DECEMBER 31, 1998
                                                                        --------------------
<S>                                                                     <C>
          Total indebtedness (excluding $4.6 million of
            outstanding letters of credit)..................               $432.3 million
          Indebtedness senior to the exchange notes
            (excluding $4.6 million of outstanding letters
            of credit)......................................               $145.1 million
</TABLE>
 
<TABLE>
<CAPTION>
                                                    FOR THE YEAR ENDED   FOR THE THREE MONTHS ENDED
                                                    SEPTEMBER 30, 1998       DECEMBER 31, 1998
                                                    ------------------   --------------------------
<S>                                                 <C>                  <C>
          Ratio of earnings to fixed charges......             1.8x                     1.0x
</TABLE>
 
   
     Our substantial indebtedness, including any additional future indebtedness,
could have important consequences to you. For example, it could:
    
 
     -  make it more difficult for us to satisfy our obligations with respect to
        these exchange notes;
 
     -  increase our vulnerability to general adverse economic and industry
        conditions;
 
     -  increase our vulnerability to increases in interest rates;
 
     -  limit our ability to fund future working capital, capital expenditures,
        research and development costs, acquisitions and other general corporate
        requirements;
 
     -  require a substantial portion of our cash flow from operations for debt
        payments, thereby reducing the availability of our cash flow to fund
        working capital, capital expenditures, research and development efforts,
        acquisitions and other general corporate purposes;
 
     -  limit our flexibility to plan for, or react to, changes in our business
        and the industry in which we operate;
 
     -  place us at a competitive disadvantage compared to our competitors that
        have less debt; and
 
     -  limit our ability to borrow additional funds.
 
   
Any of the above listed factors could materially adversely affect us. See
"Description of the Senior Bank Facilities" and "Description of Notes."
    
 
   
ABILITY TO SERVICE DEBT -- WE MAY NOT HAVE SUFFICIENT CASH FROM CASH FLOW FROM
OPERATIONS, AVAILABLE CASH AND AVAILABLE BORROWINGS UNDER OUR SENIOR BANK
FACILITIES TO SERVICE OUR INDEBTEDNESS, WHICH WILL REQUIRE A SIGNIFICANT AMOUNT
OF CASH.  Our ability to make payments on and to refinance our indebtedness,
including these exchange notes, and to fund planned capital expenditures,
research and development efforts and future acquisitions will depend on our
ability to generate cash in the future. This, to a certain extent, is subject to
general economic, financial, competitive, legislative, regulatory and other
factors that are beyond our control. Based on our current level of operations,
we believe our cash flow from operations, available cash and available
borrowings under our senior bank facilities will be adequate to meet our future
liquidity needs for at least the next few years. We cannot assure you, however,
that our business will generate sufficient cash flow from operations or that
future borrowings will be available to us under our senior bank facilities in an
amount sufficient to enable us to pay our indebtedness, including these exchange
    
 
                                        9
<PAGE>   15
 
   
notes, or to fund our other liquidity needs. In addition, we may need to
refinance all or a portion of our indebtedness, including these exchange notes
on or before maturity. We might not be able to refinance any of our
indebtedness, including our senior bank facilities and these exchange notes, on
commercially reasonable terms or at all.
    
 
SUBORDINATION -- YOUR RIGHT TO RECEIVE PAYMENTS ON THESE EXCHANGE NOTES IS
JUNIOR TO ALL OF OUR EXISTING AND FUTURE SENIOR INDEBTEDNESS AND POSSIBLY ALL OF
OUR FUTURE BORROWINGS. FURTHER, THE GUARANTEES OF THESE EXCHANGE NOTES ARE
JUNIOR TO ALL OUR GUARANTOR SUBSIDIARIES' EXISTING AND FUTURE SENIOR
INDEBTEDNESS AND POSSIBLY TO ALL THEIR FUTURE BORROWINGS.  These exchange notes
and the subsidiary guarantees rank behind all of our and our guarantor
subsidiaries' existing and future senior indebtedness and all of our and their
future borrowings, except any future indebtedness that expressly provides that
it ranks equal with, or subordinated in right of payment to, the exchange notes
and the guarantees. As a result, upon any distribution to our creditors or the
creditors of our guarantor subsidiaries in a bankruptcy or similar proceeding
relating to us or our guarantor subsidiaries, the holders of senior indebtedness
of our company and our guarantor subsidiaries will be entitled to be paid in
full in cash before any payment may be made with respect to these exchange notes
or the subsidiary guarantees.
 
   
     In the event of a bankruptcy, liquidation or reorganization or similar
proceeding relating to Neenah or our guarantor subsidiaries, holders of the
exchange notes will participate with all other holders of subordinated
indebtedness of Neenah and our guarantor subsidiaries in the assets remaining
after we and our guarantor subsidiaries have paid all of the senior debt.
Because our senior debt must be paid first, you may receive less than holders of
senior debt in any such proceeding. In any of these cases, we and our guarantor
subsidiaries may not have sufficient funds to pay all of our creditors,
therefore, holders of exchange notes may receive ratably less than the holders
of senior debt.
    
 
RESTRICTIONS IMPOSED BY THE SENIOR BANK FACILITIES AND THE INDENTURE -- WE ARE
SUBJECT TO RESTRICTIONS CONTAINED IN OUR SENIOR BANK FACILITIES AND IN THE
INDENTURE. FAILURE TO COMPLY WITH ANY OF THE RESTRICTIONS COULD RESULT IN
ACCELERATION OF OUR DEBT. OUR SENIOR BANK FACILITIES AND THE INDENTURE RESTRICT
OUR ABILITY TO:
 
     -  incur additional indebtedness,
 
     -  pay dividends and make distributions,
 
     -  make certain investments, loans, or advances,
 
     -  incur guarantee obligations,
 
     -  prepay other indebtedness,
 
     -  create liens,
 
     -  make acquisitions,
 
     -  change the nature of our business,
 
     -  make capital expenditures,
 
     -  enter into transactions with affiliates,
 
     -  enter into sale and leaseback transactions,
 
     -  merge or consolidate our company or any guarantors, and
 
     -  transfer and sell assets.
 
In addition, we must maintain minimum debt service interest ratios and maximum
leverage ratios and satisfy minimum net worth tests under our senior bank
facilities. A failure to comply with the restrictions contained in the senior
bank facilities could lead to an event of default which could result
 
                                       10
<PAGE>   16
 
in an acceleration of such indebtedness. Such an acceleration would also
constitute an event of default under the indenture relating to the exchange
notes. See "Description of Senior Bank Facilities."
 
   
INTEGRATION OF THE RECENT ACQUISITIONS -- WE MAY NOT HAVE SUFFICIENT MANAGEMENT,
FINANCIAL AND OTHER RESOURCES TO INTEGRATE AND CONSOLIDATE THE RECENTLY ACQUIRED
SUBSIDIARIES AND ANY FUTURE ACQUISITIONS, AND WE MAY BE UNABLE TO OPERATE
PROFITABLY OUR CONSOLIDATED COMPANY.  The recently acquired subsidiaries
constitute our first significant acquisitions. While we believe that our
financial, management and other resources are sufficient to accomplish any
integration of the recently acquired subsidiaries, we cannot provide any
assurance that our resources will be adequate in this regard or that any attempt
to integrate the recently acquired subsidiaries will not adversely affect the
operation of Neenah.
    
 
   
     In addition, the increased size of our consolidated company following our
recent acquisitions may pose different and greater operational challenges than
we have experienced in the past. We believe that the recently acquired
subsidiaries will enhance our competitive position and the business prospects of
our consolidated company. However, we cannot provide any assurance that such
benefits will be realized, that the combination of Neenah and the recently
acquired subsidiaries will be successful, or that management will be able to
profitably operate our consolidated company following any integration.
    
 
   
     We believe that there are additional opportunities for growth through the
completion of future strategic acquisitions. We engage in evaluations of
potential acquisitions and are in various stages of discussion regarding
possible acquisitions. Currently, there are no definitive agreements or letters
of intent with respect to any material acquisition. Any such future acquisitions
may result in significant transaction expenses and risks associated with
entering new markets in addition to the integration and consolidation risks
described above. We may not have sufficient management, financial and other
resources to integrate any such future acquisitions and we may be unable to
profitably operate our consolidated company. See "Business."
    
 
   
DEPENDENCE ON KEY PERSONNEL -- LOSS OF KEY PERSONNEL, INCLUDING OUR CHAIRMAN AND
CHIEF EXECUTIVE OFFICER JAMES K. HILDEBRAND, AND/OR OUR FAILURE TO IDENTIFY AND
RECRUIT HIGHLY QUALIFIED PERSONNEL COULD HAVE A MATERIAL ADVERSE AFFECT ON OUR
PROFITABILITY AND ABILITY TO SUCCESSFULLY COMPETE IN OUR INDUSTRY.  Our ability
to maintain our competitive position in the future depends upon our success in
maintaining certain key senior management, including our Chairman and Chief
Executive Officer, James K. Hildebrand, and attracting and retaining other
highly qualified managerial and manufacturing personnel. Loss of key personnel,
including our Chairman and Chief Executive Officer James K. Hildebrand, and/or
our failure to identify and recruit highly qualified personnel could have a
material adverse affect on our profitability and ability to successfully compete
in our industry. See "Management."
    
 
   
CONCENTRATION OF CUSTOMERS -- A REDUCTION OR TERMINATION OF PURCHASES BY ANY OF
OUR TOP THREE CUSTOMERS, WHICH ACCOUNT FOR A SIGNIFICANT AMOUNT OF OUR NET
SALES, COULD ADVERSELY AFFECT OUR ABILITY TO GENERATE SUFFICIENT CASH FLOW TO
PAY INTEREST ON THE EXCHANGE NOTES WHEN DUE.  The customer base of our company
is concentrated. Specifically,
    
 
   
     -  Sales to our largest customer, Dana Corporation, accounted for 10% of
        total net sales for the fiscal year ended September 30, 1998;
    
 
   
     -  Sales to our top three customers accounted for approximately 27% of net
        sales for the fiscal year ended September 30, 1998.
    
 
   
A significant reduction in purchases by any of these key customers or a loss of
any of these key customers could materially adversely affect our business,
financial condition and results of operations and our ability to pay interest on
the exchange notes when due. See "Business -- Neenah Foundry
Company -- Products, Customers and Markets," "-- Dalton Corporation,"
"-- Advanced Cast Products, Inc." and "-- Mercer Forge Corporation."
    
                                       11
<PAGE>   17
 
   
FINANCING CHANGE OF CONTROL OFFER -- WE MAY NOT HAVE THE ABILITY TO RAISE THE
FUNDS NECESSARY TO FINANCE THE REPURCHASE OPTION CONTAINED IN THE
INDENTURE.  Upon the occurrence of certain specific kinds of change of control
events, you will have the right to require us to repurchase all or a portion of
your exchange notes. The repurchase price will be 101% of the face value of the
exchange note, plus any accrued and unpaid interest. However, it is possible
that we will not have sufficient funds at the time of the change of control
event to make the repurchases or that restrictions in our senior bank facilities
will not allow us to make such repurchases. In addition, certain important
corporate events, such as leveraged recapitalizations that would increase the
level of our indebtedness, would not constitute a "Change of Control" under the
indenture. See "Description of the Senior Bank Facilities" and "Description of
Notes -- Change of Control."
    
 
   
DEPENDENCE ON INDUSTRY/CYCLICALITY -- IF CERTAIN MARKETS IN WHICH OUR CUSTOMERS
OPERATE EXPERIENCE DOWNTURNS, THEN DEMAND FOR, AND PRICES OF, OUR PRODUCTS COULD
BE REDUCED.  Our company has historically experienced moderate cyclicality in
the heavy municipal and farm equipment markets. Sales of municipal castings are
influenced by, among other things, public spending. Our industrial sales are
largely dependent on orders from original equipment manufacturers of medium-and
heavy-duty trucks and truck components and their first-tier suppliers and orders
for farm equipment. The truck market has historically been subject to
fluctuations due to general economic conditions and, in particular, the
industrial sector of the economy. There can be no assurance that the truck
market will not continue to experience fluctuations. The farm equipment market
has also experienced cyclicality. A downturn in these markets could reduce
demand for, and prices of, our products. A significant downturn in either of
these markets could materially adversely affect our company's business,
financial condition or results of operations. See "Management's Discussion and
Analysis of Financial Condition and Results of Operations."
    
 
   
COMPETITION -- THERE CAN BE NO ASSURANCE THAT WE CAN COMPETE SUCCESSFULLY IN THE
MARKETS WE TARGET, WHICH ARE HIGHLY COMPETITIVE. A LOSS OF MARKET SHARE COULD
AFFECT OUR ABILITY TO GENERATE SUFFICIENT CASH FLOW TO SERVICE OUR
INDEBTEDNESS.  The markets for Neenah's, Dalton's, Advanced Cast Products,
Inc.'s and Deeter's products are highly competitive. Competition is based on:
    
 
   
     -  price;
    
 
   
     -  quality of product;
    
 
   
     -  range of capability;
    
 
   
     -  level of service; and
    
 
   
     -  reliability of delivery.
    
 
   
     Each of Neenah, Dalton, Advanced Cast Products, Inc. and Deeter face
numerous competitors, including:
    
 
   
     -  independent and captive domestic iron foundries;
    
 
   
     -  foreign iron foundries, including certain foundries located in India;
        and
    
 
   
     -  several large domestic foundries and manufacturers whose casting
        products are made with materials other than ductile and gray iron, such
        as steel or aluminum.
    
 
   
Industry consolidation over the past decade has resulted in significant
reduction in the number of smaller foundries and a rise in the share of
production by larger foundries. Some of these consolidated foundries have
significantly greater financial resources than any of Neenah, Dalton, Advanced
Cast Products, Inc. and Deeter. There can be no assurance that any of Neenah,
Dalton, Advanced Cast Products, Inc. and Deeter will be able to maintain or
improve its competitive positions in the markets in which it competes. A loss of
market share for Neenah could affect our ability to generate sufficient cash
flow to service our indebtedness. See "Business -- Neenah Foundry
Company -- Competition."
    
 
                                       12
<PAGE>   18
 
   
     Mercer competes primarily in a highly fragmented industry, which includes
several dozen other press forgers and hammer forge shops. Competition in the
foregoing industry is primarily price based, but engineering, quality and
dependability are also important, particularly with respect to building and
maintaining customer relationships. Some of Mercer's competitors have
significantly greater resources than Mercer. There can be no assurance that
Mercer will be able to maintain or improve its competitive position in the
markets in which it competes. See "Business -- Mercer Forge
Corporation -- Competition."
    
 
   
CONTROLLING SHAREHOLDERS -- THE INTERESTS OF OUR CONTROLLING SHAREHOLDERS MAY BE
IN CONFLICT WITH YOUR INTERESTS AS A HOLDER OF EXCHANGE NOTES WHICH COULD RESULT
IN CORPORATE DECISION MAKING THAT INVOLVES DISPROPORTIONATE RISKS TO THE HOLDERS
OF THE EXCHANGE NOTES, INCLUDING OUR ABILITY TO SERVICE OUR INDEBTEDNESS OR PAY
THE PRINCIPAL AMOUNT OF OUR INDEBTEDNESS WHEN DUE.  We are a wholly owned
subsidiary of our parent company, NFC Castings, Inc. Likewise, our parent
company is a wholly owned subsidiary of its parent company, ACP Holding Company.
ACP Holding Company is wholly owned by ACP Products, L.L.C. which in turn is
owned in part by Citicorp Venture Capital, Ltd. and certain other investors.
Therefore, Citicorp Venture Capital, Ltd. and these certain other investors
beneficially own approximately 90% of our common stock and, together with
certain members of our senior management and certain members of the senior
management of our recently acquired subsidiaries, collectively have the ability
to elect the entire board of directors and generally to control our affairs and
policies. Circumstances may occur in which the interests of Citicorp Venture
Capital, Ltd. and these certain other investors, as shareholders of our company,
could be in conflict with the interests of the holders of the exchange notes. In
addition, Citicorp Venture Capital, Ltd. and these certain other investors may
have an interest in pursuing acquisitions, divestitures or other transactions
that, in their judgment, could enhance their equity investment, even though such
transactions might involve disproportionate risks to the holders of the exchange
notes. See "Ownership of Securities" and "Certain Relationships and Related
Transactions."
    
 
   
YEAR 2000 ISSUE -- IF WE, OR THIRD PARTIES WITH WHICH WE DO BUSINESS, FAIL TO
COMPLY WITH YEAR 2000 REMEDIATION REQUIREMENTS, OUR COMPANY COULD HAVE
OPERATIONAL DIFFICULTIES THAT COULD INCREASE OUR COSTS OF DOING BUSINESS,
DECREASE OUR CASH FLOWS FROM OPERATIONS AND HAVE A MATERIAL ADVERSE EFFECT ON
OUR ABILITY TO SERVICE OUR INDEBTEDNESS.  The "Year 2000 Issue" refers generally
to the problems that some software may have in determining the correct century
for the year. For example, software with date-sensitive functions that is not
Year 2000 compliant may not be able to distinguish whether "00" means 1900 or
2000, which may result in failures or the creation of erroneous results.
Currently, many computer \systems and software products are coded to accept only
two-digit entries in the date code field. These date code fields will need to
accept four digit entries to distinguish 21st century dates from 20th century
dates. As a result, many companies' software and computer systems may need to be
upgraded or replaced in order to comply with such "Year 2000" requirements. If
we, or third parties with which we do business, fail to comply with Year 2000
requirements, our company could have operational difficulties that could
increase our costs of doing business and decrease our cash flows from
operations.
    
 
FRAUDULENT CONVEYANCE MATTERS -- FEDERAL AND STATE STATUTES ALLOW COURTS, UNDER
SPECIFIC CIRCUMSTANCES, TO VOID GUARANTEES, SUBORDINATE CLAIMS IN RESPECT OF THE
NOTES AND REQUIRE NOTEHOLDERS TO RETURN PAYMENTS RECEIVED FROM
GUARANTORS.  Under the federal bankruptcy law and comparable provisions of state
fraudulent transfer laws, the guarantees of our guarantor subsidiaries could be
voided, or claims in respect of the exchange notes or the subsidiary guarantees
could be subordinated to all of our other debts or all other debts of our
guarantor subsidiaries if, among other things:
 
     -  We incurred such indebtedness with the intent of hindering, delaying or
        defrauding then-existing or future creditors;
 
                                       13
<PAGE>   19
 
     -  We received less than reasonably equivalent value or fair consideration
        for incurring such indebtedness and, at the time of the incurrence of
        such indebtedness, we:
 
        1.  were insolvent or rendered insolvent by reason of such incurrence;
 
   
        2.  were engaged in a business or transaction for which the assets
            remaining with our company constituted unreasonably small capital;
            or
    
 
        3.  intend to incur, or believed that we would incur, debts beyond our
            ability to pay as they mature; or
 
     -  Any guarantor subsidiary received less than reasonably equivalent value
        or fair consideration for the incurrence of such subsidiary guarantee
        and, at the time it incurred the indebtedness evidenced by its
        subsidiary guarantee, any guarantor subsidiary:
 
        1.  was insolvent or rendered insolvent by reason of such incurrence; or
 
        2.  was engaged in a business or transaction for which such guarantor's
            remaining assets constituted unreasonably small capital; or
 
        3.  intended to incur, or believed that it would incur, debts beyond its
            ability to pay such debts as they mature.
 
   
In addition, any payment by us or that guarantor subsidiary in accordance with
the terms of its subsidiary guarantee could be voided and required to be
returned to us or the guarantor subsidiary, or to a fund for the benefit of our
creditors or the creditors of the guarantor subsidiary.
    
 
     The measures of insolvency for purposes of these fraudulent transfer laws
will vary depending upon the law applied in any proceeding to determine whether
a fraudulent transfer has occurred. Generally, however, a guarantor subsidiary
would be considered insolvent if:
 
     -  the sum of its debts, including contingent liabilities, was greater than
        the fair saleable value of all of its assets; or
 
     -  if the present fair saleable value of its assets were less than the
        amount that would be required to pay its probable liability on its
        existing debts, including contingent liabilities, as they become
        absolute and mature; or
 
     -  it could not pay its debts as they become due.
 
On the basis of historical financial information, recent operating history and
other factors, we believe that we and each guarantor subsidiary, after giving
effect to its guarantee of these exchange notes, will not be insolvent, will not
have unreasonably small capital for the business in which it is engaged and will
not have incurred debts beyond its ability to pay such debts as they mature.
There can be no assurance, however, as to what standard a court would apply in
making such determinations or that a court would agree with our conclusions in
this regard.
 
ENVIRONMENTAL MATTERS -- RISK OF ENVIRONMENTAL LIABILITY IS INHERENT IN THE
NATURE OF OUR BUSINESS AND WE MAY INCUR SIGNIFICANT COSTS TO COMPLY WITH MORE
STRINGENT ENVIRONMENTAL POLICIES.  Our facilities are subject to numerous
federal, state and local laws and regulations relating to pollution and the
protection of the environment and worker health and safety, including:
 
     -  those relating to discharges to air, water and land;
 
     -  the handling and disposal of solid and hazardous waste;
 
     -  the operation of landfills; and
 
     -  the cleanup of properties affected by hazardous substances.
 
We do not anticipate any material adverse effect on our business, financial
condition or results of operations as a result of our efforts to comply with, or
our liabilities under, such requirements. Risk
 
                                       14
<PAGE>   20
 
   
of environmental liability is inherent in the manufacturing of casting and
forging products. Changes in environmental laws and regulations or the discovery
of previously unknown contamination or other liabilities relating to our
properties and operations could materially adversely affect our business,
financial condition or results of operations. In particular, we might incur
significant capital and other costs to comply with increasingly stringent air
emission control laws and enforcement policies. See "Business -- Neenah Foundry
Company -- Environmental Matters."
    
 
   
NO PRIOR MARKET FOR EXCHANGE NOTES -- YOU CANNOT BE SURE THAT AN ACTIVE TRADING
MARKET WILL DEVELOP FOR THESE EXCHANGE NOTES WHICH COULD LIMIT THE LIQUIDITY OF
YOUR EXCHANGE NOTES.  Prior to this offering, there was no public market for
these exchange notes. We have been informed by the underwriter that it intends
to make a market in these exchange notes after this offering is completed.
However, the underwriter may cease its market-making at any time. In addition,
the liquidity of the trading market in these exchange notes, and the market
price quoted for these exchange notes, may be adversely affected by changes in
the overall market for high yield securities and by changes in our financial
performance or prospects or in the prospects for companies in our industry
generally. As a result, you cannot be sure that an active trading market will
develop for these exchange notes which could limit their liquidity.
    
                            ------------------------
 
   
     This prospectus includes "forward looking statements" within the meaning of
Section 27A of the Securities Act and Section 21E of the Securities Exchange Act
of 1934, including, in particular, the statements about Neenah's plans,
strategies, and prospects under the headings "Prospectus Summary," "Management's
Discussion and Analysis of Financial Condition and Results of Operations," and
"Business." Although we believe that our plans, intentions and expectations
reflected in or suggested by such forward-looking statements are reasonable, we
can give no assurance that such plans, intentions or expectations will be
achieved. Important factors that could cause actual results to differ materially
from the forward-looking statements we make in this prospectus are set forth
below and elsewhere in this prospectus. All forward-looking statements
attributable to Neenah or persons acting on our behalf are expressly qualified
in their entirety by the cautionary statements contained in this "Risk Factors"
section. As used in this "Risk Factors" section, unless the context otherwise
requires, the terms "Neenah," "we," "our," "ours," and "us" refer to Neenah
Foundry Company and all of its subsidiaries, including its recently acquired
subsidiaries.
    
 
                                       15
<PAGE>   21
 
                                USE OF PROCEEDS
 
   
     Our company will not receive any proceeds from this exchange offer.
    
 
                                       16
<PAGE>   22
 
                                 CAPITALIZATION
 
   
     The following table sets forth as of September 30, 1998 (1) the
consolidated historical capitalization of Neenah, and (2) the unaudited
consolidated pro forma capitalization of Neenah after giving effect to the
issuance of the old notes and the application of the proceeds from the issuance
of the old notes were consummated on such date. This table should be read in
conjunction with the "Selected Consolidated Financial and Other Data" and
"Management's Discussion and Analysis of Financial Condition and Results of
Operations," included elsewhere in this prospectus and the consolidated
financial statements and related notes of Neenah incorporated in this prospectus
by reference.
    
 
   
<TABLE>
<CAPTION>
                                                                 DECEMBER 31, 1998
                                                              -----------------------
                                                               ACTUAL      PRO FORMA
                                                              ---------    ----------
                                                              (DOLLARS IN THOUSANDS)
<S>                                                           <C>          <C>
Cash and cash equivalents...................................  $ 34,683      $ 34,683
                                                              ========      ========
Debt:
  Term Loan Facilities(1)...................................
     Tranche A Loans........................................  $ 19,250      $ 19,250
     Tranche B Loans........................................   124,628       124,628
  Revolving Credit Facility(2)..............................        --            --
  Acquisition Loan Facility(3)..............................        --            --
  11 1/8% Series B Senior Subordinated Notes due 2007.......   150,000       150,000
  11 1/8% Series D Senior Subordinated Notes due 2007,
     including unamortized premium of $2,193 million........    47,193        47,193
  11 1/8% Series E Senior Subordinated Notes due 2007,
     including unamortized premium of $2,985 million........    89,985            --
  11 1/8% Series F Senior Subordinated Notes due 2007,
     including unamortized premium of $2,985 million........        --        89,985
  Other.....................................................     1,215         1,215
                                                              --------      --------
          Total debt........................................   432,271       432,271
Stockholders' equity:
  Common stock..............................................       100           100
  Additional paid-in capital................................    55,167        55,167
  Retained earnings.........................................    13,866        13,866
  Pension liability adjustment..............................    (1,570)       (1,570)
                                                              --------      --------
          Total stockholders' equity........................    67,563        67,563
                                                              --------      --------
          Total capitalization..............................  $499,834      $499,834
                                                              ========      ========
</TABLE>
    
 
- ---------------
   
(1) The term loan facilities consist of: (i) a tranche A loan facility in an
    aggregate principal amount of $19.25 million with a final maturity of
    September 30, 2003 and (ii) a tranche B loan facility in an aggregate
    principal amount of $124.6 million with a final maturity of September 30,
    2005.
    
 
   
(2) Total borrowings of up to $50.0 million are available under the revolving
    credit facility for working capital purposes and to fund certain permitted
    acquisitions. The revolving credit facility includes a $15 million sub-limit
    for letters of credit, of which $4.6 million were outstanding as of December
    31, 1998.
    
 
   
(3) Total borrowings of up to $50.0 million are available under the acquisition
    loan facility to finance certain permitted acquisitions.
    
 
                                       17
<PAGE>   23
 
                 SELECTED CONSOLIDATED FINANCIAL AND OTHER DATA
 
   
     The following table sets forth selected consolidated financial and other
data of:
    
 
   
     (1) Neenah Corporation, Neenah's predecessor company, as of March 31, 1994,
         1995, 1996, and 1997 and April 30, 1997 and for each of the years ended
         March 31, 1994, 1995, 1996 and 1997 and the one month period ended
         April 30, 1997, which have been derived from Neenah Corporation's
         consolidated financial statements which have been audited by Ernst &
         Young LLP, other than the consolidated balance sheet as of March 31,
         1994 and April 30, 1997, which were audited by another independent
         auditor,
    
 
   
     (2) Neenah as of September 30, 1997 and 1998 and for the five months ended
         September 30, 1997 and for the year ended September 30, 1998, which
         have been derived from Neenah's consolidated financial statements which
         have been audited by Ernst & Young LLP and
    
 
   
     (3) Neenah as of December 31, 1997 and 1998 and for the three months ended
         December 31, 1997 and 1998, which have been derived from Neenah's
         unaudited interim condensed consolidated financial statements and
         include, in the opinion of management, all adjustments (consisting only
         of normal recurring accruals) necessary for a fair presentation of the
         results of operations and financial position for and as of the end of
         such period. Results of operations for the interim periods are not
         necessarily indicative of the results to be expected for the full year
         or any other future period.
    
 
   
     EBITDA represents operating income plus depreciation and amortization. We
have included information concerning earnings before interest, taxes,
depreciation and amortization ("EBITDA") because we believe that EBITDA is
generally accepted as providing useful information regarding a company's ability
to service and/or incur debt. EBITDA should not be considered in isolation or as
a substitute for net income, cash flows or other income or cash flow data
prepared in accordance with generally accepted accounting principles or as a
measure of a company's profitability or liquidity. We understand that, while
EBITDA is frequently used by securities analysts in the evaluation of companies,
EBITDA, as used in this prospectus, is not necessarily comparable to other
similarly titled captions of other companies due to potential inconsistencies in
the method of calculation. EBITDA is not intended as an alternative to cash flow
from operating activities as a measure of liquidity, an alternative to net
income as an indicator of our operating performance or an alternative to any
other measure of performance in conformity with generally accepted accounting
principles.
    
 
   
     The selected financial and other data should be read in conjunction with
"Capitalization," "Summary Consolidated Financial and Other Data" and
"Management's Discussion and Analysis of Financial Condition and Results of
Operations" included elsewhere in this prospectus and the consolidated financial
statements and related notes of Neenah incorporated in this prospectus by
reference.
    
 
                                       18
<PAGE>   24
 
                 SELECTED CONSOLIDATED FINANCIAL AND OTHER DATA
   
<TABLE>
<CAPTION>
                                                  PREDECESSOR COMPANY
                               ----------------------------------------------------------    FIVE MONTHS        YEAR
                                      FISCAL YEAR ENDED MARCH 31,            ONE MONTH          ENDED           ENDED
                               -----------------------------------------       ENDED        SEPTEMBER 30,   SEPTEMBER 30,
                                 1994       1995       1996       1997     APRIL 30, 1997      1997(5)          1998
                               --------   --------   --------   --------   --------------   -------------   -------------
                                                                               (DOLLARS IN THOUSANDS)
<S>                            <C>        <C>        <C>        <C>        <C>              <C>             <C>
STATEMENT OF INCOME DATA:
  Net sales..................  $131,982   $160,621   $166,951   $165,426      $17,276         $108,353        $303,414
  Cost of sales..............   106,531    120,981    121,631    116,736       11,351           77,444         222,451
                               --------   --------   --------   --------      -------         --------        --------
  Gross profit...............    25,451     39,640     45,320     48,690        5,925           30,909          80,963
  Selling, general and
    administrative
    expenses.................    13,614     16,673     16,983     17,547        1,752            8,652          23,230
  Amortization expense.......        --         --         --         --           --            3,900           7,727
                               --------   --------   --------   --------      -------         --------        --------
  Operating income...........    11,837     22,967     28,337     31,143        4,173           18,357          50,006
  Interest expense (income),
    net......................     1,043        397       (481)    (1,162)        (121)           9,991          27,203
                               --------   --------   --------   --------      -------         --------        --------
  Income before income taxes
    and extraordinary item...    10,794     22,570     28,818     32,305        4,294            8,366          22,803
  Provision for income
    taxes....................     4,213      8,866     11,676     12,467        1,615            4,000          10,922
                               --------   --------   --------   --------      -------         --------        --------
  Income (loss) before
    extraordinary item.......     6,581     13,704     17,142     19,838        2,679            4,366          11,881
  Extraordinary charge, net
    of income tax
    benefit(1)...............        --         --         --         --           --            1,630             392
                               --------   --------   --------   --------      -------         --------        --------
  Net income (loss)..........  $  6,581   $ 13,704   $ 17,142   $ 19,838      $ 2,679         $  2,736        $ 11,489
                               ========   ========   ========   ========      =======         ========        ========
 
BALANCE SHEET DATA (AT END OF
  PERIOD):
  Cash and cash
    equivalents..............  $    118   $    238   $ 10,126   $ 22,403      $29,043         $ 20,346        $ 19,798
  Working capital(2).........    14,596     15,174     18,094     21,438       21,124           23,175          62,573
  Total assets...............    74,327     73,813     82,957     93,869      103,402          358,406         584,309
  Total debt.................    13,325        887        241        134          128          218,413         371,871
  Total stockholders'
    equity...................    37,929     43,198     54,790     68,857       74,883           47,407          67,922
OTHER DATA:
  EBITDA.....................  $ 18,577   $ 29,809   $ 35,113   $ 38,024      $ 4,691         $ 26,056        $ 69,660
  Depreciation and
    amortization.............     6,740      6,842      6,776      6,881          518            7,699          19,654
  Capital expenditures.......     4,583      3,665      7,275      4,546          190            3,081          13,117
  Net cash provided by (used
    in):
    Operating activities.....    18,301     23,581     22,273     23,479        3,917           25,160          24,236
    Investing activities.....    (4,949)    (3,412)    (7,299)    (3,104)        (191)         (14,702)       (182,168)
    Financing activities.....   (13,313)   (20,049)    (5,086)    (8,098)       2,917           (1,656)        157,384
  Cash interest expense(3)...     1,049        624         84         39            1           10,016          27,383
  Ratio of earnings to fixed
    charges(4)...............       9.5x      25.9x      70.3x      81.4x         2.5x             1.8x            1.8x
 
<CAPTION>
 
                               THREE MONTHS    THREE MONTHS
                                   ENDED          ENDED
                               DECEMBER 31,    DECEMBER 31,
                                   1997            1998
                               -------------   ------------
 
<S>                            <C>             <C>
STATEMENT OF INCOME DATA:
  Net sales..................    $ 57,988        $115,264
  Cost of sales..............      42,713          93,492
                                 --------        --------
  Gross profit...............      15,275          21,772
  Selling, general and
    administrative
    expenses.................       4,898           8,260
  Amortization expense.......       1,412           3,415
                                 --------        --------
  Operating income...........       8,965          10,097
  Interest expense (income),
    net......................       5,840           9,907
                                 --------        --------
  Income before income taxes
    and extraordinary item...       3,125             190
  Provision for income
    taxes....................       1,509             549
                                 --------        --------
  Income (loss) before
    extraordinary item.......       1,616            (359)
  Extraordinary charge, net
    of income tax
    benefit(1)...............          --              --
                                 --------        --------
  Net income (loss)..........    $  1,616        $   (359)
                                 ========        ========
BALANCE SHEET DATA (AT END OF
  PERIOD):
  Cash and cash
    equivalents..............    $ 21,994        $ 34,683
  Working capital(2).........      26,782          75,001
  Total assets...............     348,511         638,608
  Total debt.................     212,389         432,271
  Total stockholders'
    equity...................      55,770          67,563
OTHER DATA:
  EBITDA.....................    $ 12,766        $ 18,923
  Depreciation and
    amortization.............       3,801           8,826
  Capital expenditures.......       1,612           6,856
  Net cash provided by (used
    in):
    Operating activities.....       2,473           6,780
    Investing activities.....      (1,612)        (49,340)
    Financing activities.....         787          57,445
  Cash interest expense(3)...       6,047          10,172
  Ratio of earnings to fixed
    charges(4)...............         1.5x            1.0x
</TABLE>
    
 
- ------------------------------------
 
   See accompanying Notes to Selected Consolidated Financial and Other Data.
                                       19
<PAGE>   25
 
            NOTES TO SELECTED CONSOLIDATED FINANCIAL AND OTHER DATA
 
   
(1) In connection with the prepayment of long-term debt in July 1997 and
    September 1998, we recorded an extraordinary charge to write off the
    unamortized balances of the related deferred financing costs.
    
 
   
(2) Working capital represents total current assets (excluding cash and cash
    equivalents) less total current liabilities (excluding the revolving credit
    facility and the current portion of long-term debt).
    
 
   
(3) Cash interest expense is defined as interest expense less amortization of
    debt issuance costs plus amortization of premium on the senior subordinated
    notes issued July 1, 1997 and November 24, 1998.
    
 
(4) For purposes of the computation, the ratio of earnings to fixed charges has
    been calculated by dividing (i) income before income taxes and extraordinary
    item plus fixed charges by (ii) fixed charges. Fixed charges are equal to
    interest expense plus the portion of the rent expense estimated to represent
    interest.
 
   
(5) Neenah changed its fiscal year end to September 30 from March 31 effective
    September 30, 1997.
    
 
                                       20
<PAGE>   26
 
                    MANAGEMENT'S DISCUSSION AND ANALYSIS OF
                 FINANCIAL CONDITION AND RESULTS OF OPERATIONS
 
   
     The following discussion and analysis of financial condition and results of
operations covers periods before consummation of our corporate reorganization on
April 30, 1997, certain recent acquisitions discussed below and the offering of
the old notes. The following information should be read in conjunction with
"Selected Consolidated Financial and Other Data" and the consolidated financial
statements, in each case together with the notes thereto, incorporated by
reference in this prospectus.
    
 
GENERAL
 
   
     On April 30, 1997, in accordance with the terms of an Agreement and Plan of
Reorganization with NC Merger Company and NFC Castings, Inc., Neenah
Corporation, Neenah's predecessor company, was acquired by NFC Castings as a
result of a merger of NC Merger with and into the predecessor company. Prior to
July 1, 1997, Neenah was one of three wholly owned subsidiaries of Neenah
Corporation, a holding company with no significant assets or operations other
than its holdings in the common stock of its three wholly owned subsidiaries. On
July 1, 1997, Neenah merged with and into Neenah Corporation and the surviving
company changed its name to Neenah Foundry Company.
    
 
   
     The following discussion and analysis of Neenah's financial condition and
results of operations addresses periods both before and after the merger on
April 30, 1997. The merger has had a significant impact on Neenah's results of
operations and financial condition. The merger resulted in the recording of
goodwill and identifiable intangible assets totaling $148.8 million. These
amounts are being amortized over their estimated useful lives, ranging from five
months to 40 years. The merger also resulted in a significant increase in
Neenah's interest expense as a result of an increased level of indebtedness. The
following discussion compares the results of operations of Neenah for the three
months ended December 31, 1998, including the results of operations from the
date of acquisition of any recently acquired subsidiary that was acquired during
such period, to the results of the operations of Neenah for the three months
ended December 31, 1997.
    
 
   
     On March 30, 1998, Neenah acquired all the capital stock of Deeter Foundry,
Inc. for $24.3 million, consisting of $20.4 million in cash and a $3.9 million
Deeter Seller Note. On April 3, 1998, Neenah acquired all of the capital stock
of Mercer Forge Corporation for $47.0 million in cash. In addition, on September
8, 1998, Neenah acquired all of the capital stock of Dalton Corporation for
$102.0 million in cash and the capital stock of Advanced Cast Products, Inc. was
contributed to Neenah by its parent in consideration for the assumption of $21.3
million of indebtedness, $14.9 million of which was refinanced through
borrowings under the senior bank facilities. The discussion and analysis of
financial condition and results of operations below incorporates the results of
these recently acquired subsidiaries to the extent such acquisition had been
completed during the relevant period.
    
 
   
     Currently, each of our recently acquired subsidiaries is operating as a
separate subsidiary with independent operations under the direction of the
management that was in place prior to our control. Although we currently do not
plan to integrate our operations with those of any of our recently acquired
subsidiaries, we may do so in the future. See "Risk Factors -- Integration of
the Recent Acquisitions."
    
 
   
     We accounted for each of the Deeter, Mercer and Dalton acquisitions by
using the purchase method of accounting. We accounted for the acquisition of
Advanced Cast Products at historical cost in a manner similar to that in pooling
of interest accounting because our company and Advanced Cast Products were under
common control. Accordingly, our prior period financial statements for the
period during which we and Advanced Cast Products were under common ownership
are restated to reflect the contribution of capital stock of Advanced Cast
Products to Neenah. These recent acquisitions resulted in the recording of
goodwill and identifiable intangible
    
                                       21
<PAGE>   27
 
   
assets totaling $101.1 million. These amounts are being amortized over their
estimated useful lives, ranging from four months to 40 years. The recent
acquisitions have also resulted in a significant increase in Neenah's interest
expense as a result of a substantially increased level of indebtedness incurred
to finance the recent acquisitions.
    
 
   
     Neenah changed its fiscal year end to September 30 from March 31 effective
September 30, 1997.
    
 
RESULTS OF OPERATIONS
 
   
     The following table sets forth for the periods shown certain statement of
income data expressed as a percentage of net sales. The statement of income data
for the pro forma twelve months ended September 30, 1997 were determined by
combining statement of income data of Neenah's predecessor company for the six
months ended March 31, 1997 and the one month ended April 30, 1997 with
statement of income data of Neenah for the five months ended September 30, 1997:
    
 
   
<TABLE>
<CAPTION>
                             FISCAL YEAR      PRO FORMA
                                ENDED       TWELVE MONTHS    FISCAL YEAR    THREE MONTHS   THREE MONTHS
                              MARCH 31,         ENDED           ENDED          ENDED          ENDED
                            -------------   SEPTEMBER 30,   SEPTEMBER 30,   DECEMBER 31,   DECEMBER 31,
                            1996    1997        1997            1998            1997           1998
                            -----   -----   -------------   -------------   ------------   ------------
<S>                         <C>     <C>     <C>             <C>             <C>            <C>
Net sales.................  100.0%  100.0%      100.0%          100.0%         100.0%          100.0%
Cost of sales.............   72.9    70.6        70.8            73.3           73.7            81.1
                            -----   -----       -----           -----          -----          ------
Gross profit..............   27.1    29.4        29.2            26.7           26.3            18.9
Selling, general and
  administrative
  expenses................   10.1    10.6         9.3             7.7            8.4             7.2
Amortization of intangible
  assets..................     --      --         1.9             2.5            2.4             3.0
                            -----   -----       -----           -----          -----          ------
Operating income..........   17.0%   18.8%       18.0%           16.5%          15.5%            8.7%
                            =====   =====       =====           =====          =====          ======
</TABLE>
    
 
COMPARISON OF THREE MONTHS ENDED DECEMBER 31, 1998 TO THREE MONTHS ENDED
DECEMBER 31, 1997
 
  Net sales
 
   
     Net sales for the three months ended December 31, 1998 were $115,264 which
are $57,276 or 98.8% higher than the quarter ended December 31, 1997. The
increase in net sales resulted from the inclusion of the operating results of
the recently acquired subsidiaries, excluding Advanced Cast Products, after
their acquisition.
    
 
  Gross profit
 
   
     Gross profit for the three months ended December 31, 1998 was $21,772, an
increase of $6,497, or 42.5%, as compared to the quarter ended December 31,
1997. The increase in gross profit resulted from the inclusion of the operating
results of the recently acquired subsidiaries, excluding Advanced Cast Products,
after their acquisition. Gross profit as a percentage of net sales decreased to
18.9% for the three months ended December 31, 1998 from 26.3% for the quarter
ended December 31, 1997. The decline in gross profit percentage is attributable
to a greater percentage of sales of lower margin industrial products in the
three months ended December 31, 1998 as compared to the three months ended
December 31, 1997.
    
 
                                       22
<PAGE>   28
 
  Selling, general and administrative expenses
 
   
     Selling, general and administrative expenses for the three months ended
December 31, 1998 were $8,260, an increase of $3,362, or 68.6%, as compared to
the $4,898 for the quarter ended December 31, 1997. Approximately $2,800 of the
increase was due to the inclusion of the operating results of the recently
acquired subsidiaries, excluding Advanced Cast Products, and the remainder of
the increase was due to professional and other expenses related to completed and
potential acquisitions. As a percentage of net sales, selling, general and
administrative expenses decreased from 8.4% for the quarter ended December 31,
1997 to 7.2% for the three months ended December 31, 1998. The decrease in
selling, general and administrative expenses as a percentage of net sales was
mainly due to expenses being spread over a larger revenue base with the
inclusion of the recently acquired subsidiaries, excluding Advanced Cast
Products.
    
 
  Amortization of intangible assets
 
   
     Amortization of intangible assets was $3,415 for the three months ended
December 31, 1998, an increase of $2,003, or 141.9%, as compared to the $1,412
for the quarter ended December 31, 1997. The increase is due to the increased
amortization of goodwill and identifiable intangible assets from the recently
acquired subsidiaries.
    
 
  Operating income
 
   
     Operating income was $10,097 for the three months ended December 31, 1998,
an increase of $1,132, or 12.6% from the quarter ended December 31, 1997. The
improvement in operating income was achieved for the reasons discussed above
under gross profit. As a percentage of net sales, operating income decreased
from 15.5% for the quarter ended December 31, 1997 to 8.7% for the three months
ended December 31, 1998. The decrease in operating income percentage was due to
the factors discussed above under gross profit, as well as increased
amortization of intangible assets.
    
 
  Net interest expense
 
   
     Net interest expense was $9,907 for the three months ended December 31,
1998 compared to $5,840 for the quarter ended December 31, 1997. The increased
interest expense resulted from the interest on the drawings under Neenah's
senior bank facilities and the senior subordinated notes used to finance the
purchase of the recently acquired subsidiaries.
    
 
  Provision for income taxes
 
     The provision for income taxes for the three months ended December 31, 1997
and 1998 is higher than the amount computed by applying the statutory rate of
approximately 40% to income before income taxes mainly due to the amortization
of goodwill which is not deductible for income tax purposes.
 
COMPARISON OF FISCAL YEAR ENDED SEPTEMBER 30, 1998 TO PRO FORMA TWELVE MONTHS
ENDED SEPTEMBER 30, 1997
 
  Net Sales
 
   
     Net sales for the year ended September 30, 1998 were $303.4 million which
was $102.1 million or 50.7% higher than the pro forma twelve months ended
September 30, 1997. The recently acquired subsidiaries, excluding Advanced Cast
Products, accounted for an increase of $53.5 million in net sales. The inclusion
of Advanced Cast Products for twelve months in 1998 versus five months in 1997
accounted for an increase of $33.7 million in net sales. Net sales of municipal
castings increased by $3.1 million or 4.2% due primarily to a strong economy in
the upper Midwest and market share gains in strategic focus areas of the East
and Southwest. Net sales of industrial
    
 
                                       23
<PAGE>   29
 
castings increased by $11.7 million or 11.8% due to the overall strength of the
heavy duty truck market coupled with high demand in the agricultural business.
 
  Gross Profit
 
   
     Gross profit for the year ended September 30, 1998 was $81.0 million, an
increase of $22.2 million or 37.8%, as compared to the pro forma twelve months
ended September 30, 1997. Approximately $8.0 million of the increase was from
the inclusion of the operating results of the recently acquired subsidiaries
excluding Advanced Cast Products after their acquisition. The inclusion of
Advanced Cast Products for twelve months in 1998 versus five months in 1997
accounted for an increase of $6.4 million in gross profit. The remaining margin
improvement was due to the combined effect of spreading manufacturing overhead
over a greater volume and improved efficiency in plant operations. Gross profit
as a percentage of net sales decreased to 26.7% during the year ended September
30, 1998 from 29.2% for the pro forma twelve months ended September 30, 1997.
The decline in gross profit percentage is attributable to the mix of industrial
products and lack of seasoning from the recently acquired subsidiaries excluding
Advanced Cast Products.
    
 
  Selling, General and Administrative Expenses
 
   
     Selling, general and administrative expenses for the year ended September
30, 1998 were $23.2 million, an increase of $4.5 million or 24.1% over the $18.7
million for the pro forma twelve months ended September 30, 1997. The increase
in selling, general and administrative expense was due to the inclusion of $2.7
million of expenses from the recently acquired subsidiaries, excluding Advanced
Cast Products after their acquisition. The inclusion of Advanced Cast Products
for twelve months in 1998 versus five months in 1997 accounted for an increase
of $3.0 million in expenses. As a percentage of net sales, selling, general and
administrative expenses decreased from 9.3% for the pro forma twelve months
ended September 30, 1997 to 7.7% for the year ended September 30, 1998. The
percentage decrease was due to expenses being spread over a larger volume base
with the inclusion of the recently acquired subsidiaries' operating results,
excluding Advanced Cast Products.
    
 
   
  Amortization of Intangible Assets
    
 
   
     Amortization of intangible assets was $7.7 million for the year ended
September 30, 1998, an increase of $3.8 million, or 97.4%, as compared to the
$3.9 million for the pro forma twelve months ended September 30, 1997. The
increase is due to the recording of twelve months of amortization during the
period ended September 30, 1998 for the goodwill and identifiable intangible
assets arising from the merger on April 30, 1997 versus five months of
amortization during the period ended September 30, 1997 as well as increased
amortization from goodwill and identifiable intangible assets from the recently
acquired subsidiaries, excluding Advanced Cast Products.
    
 
  Operating Income
 
     Operating income was $50.0 million for the year ended September 30, 1998,
an increase of $13.8 million or 38.1% from the pro forma twelve months ended
September 30, 1997. The improvement in operating income was achieved for the
reasons discussed above under gross profit. As a percentage of net sales,
operating income decreased from 18.0% for the pro forma twelve months ended
September 30, 1997 to 16.5% for the year ended September 30, 1998. The decrease
in operating income percentage was due to the factors discussed above under
gross profit, as well as increased amortization of intangible assets.
 
                                       24
<PAGE>   30
 
  Net Interest Expense
 
   
     Net interest expense increased from $9.1 million for the pro forma twelve
months ended September 30, 1997 to $27.2 million for the year ended September
30, 1998. The increased interest expense resulted from Neenah's senior
subordinated notes being outstanding for twelve months during the year ended
September 30, 1998 and only five months during the period ended September 30,
1997 and the interest on the drawings under Neenah's senior bank facilities to
finance the recent acquisitions.
    
 
  Provision for Income Taxes
 
     The provision for income taxes for the year ended September 30, 1998 is
higher than the amount computed by applying the statutory rate of approximately
40% to income before income taxes mainly due to the amortization of goodwill
which is not deductible for income tax purposes.
 
  Extraordinary Item
 
   
     During the year ended September 30, 1998, Neenah recorded an extraordinary
loss of $0.4 million (which is net of an income tax benefit of $0.3 million) for
the write-off of unamortized deferred financing costs in connection with the
repayment in full of indebtedness of Advanced Cast Products prior to its
scheduled maturity. For the pro forma twelve months ended September 30, 1997,
Neenah recorded an extraordinary loss of $1.6 million (which is net of an income
tax benefit of $1.0 million) for the write-off of unamortized deferred financing
costs in connection with the repayment in full of the term indebtedness under
Neenah's senior bank facilities.
    
 
COMPARISON OF FISCAL YEAR ENDED MARCH 31, 1997 TO FISCAL YEAR ENDED MARCH 31,
1996
 
  Net Sales
 
   
     Net sales were $165.4 million for the year ended March 31, 1997, a decrease
of $1.6 million, or 0.9%, from $167.0 million for the year ended March 31, 1996.
Net sales of industrial castings decreased $3.9 million, or 4.2%, to $88.3
million. The decrease in industrial casting sales was primarily the result of a
decision by Neenah to discontinue its production of certain lower margin brake
components, which resulted in a decrease in tons produced compared to the year
earlier period, and, to a lesser extent, reduced demand for casting products in
the medium- and heavy-duty truck market. Net sales of municipal castings
increased $1.9 million, or 2.7%, to $71.3 million, primarily due to increased
pricing. Hartley Controls Corporation, Neenah's wholly-owned subsidiary, net
sales grew $0.4 million, or 7.4%, to $5.8 million, principally due to increased
volume of equipment sales.
    
 
   
  Gross Profit
    
 
     Gross profit was $48.7 million for the year ended March 31, 1997, an
increase of $3.4 million, or 7.5%, from $45.3 million for the year ended March
31, 1996. Gross profit as a percentage of net sales increased to 29.4% for the
year ended March 31, 1997, from 27.1% for the year ended March 31, 1996. The
increase in gross profit as a percentage of net sales was due mainly to improved
product mix in the industrial product line and greater overall plant efficiency.
Gross profit percentage also improved due to the continued effect of the
lightweighted municipal casting program.
 
   
  Selling, General and Administrative Expenses
    
 
     Selling, general and administrative expenses were $17.5 million for the
year ended March 31, 1997, an increase of $0.5 million, or 2.9%, from $17.0
million for the year ended March 31, 1996. As a percentage of net sales,
selling, general and administrative expenses increased to 10.6% for the year
ended March 31, 1997, from 10.1% for the year ended March 31, 1996.
Approximately
 
                                       25
<PAGE>   31
 
   
$0.2 million of the increase in selling, general and administrative expenses was
due to a non-recurring charitable contribution and approximately $0.9 million of
the increase was due to increased compensation and benefits to officers of
Neenah who resigned at closing of the merger on April 30, 1997. Excluding the
effects of estimated nonrecurring officer compensation and benefits and the
charitable contribution, selling, general and administrative expenses, as a
percentage of net sales, decreased slightly to 8.3% for the year ended March 31,
1997, from 8.4% for the year ended March 31, 1996.
    
 
   
  Operating Income
    
 
     Operating income increased to $31.1 million for the year ended March 31,
1997, an increase of $2.8 million or 9.9% from $28.3 million for the year ended
March 31, 1996. As a percentage of net sales, operating income increased to
18.8% for the year ended March 31, 1997, from 17.0% for the year ended March 31,
1996. The improvement in operating income was achieved primarily for the reasons
discussed above.
 
LIQUIDITY AND CAPITAL RESOURCES
 
   
     In connection with the merger on April 30, 1997, Neenah issued $150.0
million principal amount of 11 1/8% Senior Subordinated Notes due 2007 and
entered into the senior bank facilities with NFC Castings, Inc. and the lenders
party thereto providing for term loans of $45.0 million and a revolving credit
facility of up to $30.0 million, subject to a borrowing base formula. On July 1,
1997, Neenah issued an additional $45.0 million principal amount of 11 1/8%
Senior Subordinated Notes due 2007 and used the proceeds of $47.6 million to
repay the term loans, the accrued interest thereon and related fees and
expenses. On September 12, 1997, Neenah, NFC Castings, Inc. and the lenders
party thereto amended and restated the senior bank facilities to increase the
amount available under the revolving credit facility to $50.0 million and
eliminate the borrowing base limitations. On April 3, 1998, in connection with
the acquisition of Mercer, Neenah, NFC Castings, Inc. and the lenders party
thereto amended the senior bank facilities to provide availability of $75.0
million of term loans to Neenah (consisting of $20.0 million of tranche A loans
and $55.0 million of tranche B loans) in addition to Neenah's existing $50.0
million revolving credit facility. On September 8, 1998, in connection with the
acquisitions of Dalton and Advanced Cast Products, Neenah, NFC Castings, Inc.
and the lenders party thereto amended and restated the senior bank facilities to
provide for additional tranche B loans in an aggregate principal amount of $70.0
million and an acquisition loan facility in aggregate principal amount
outstanding at any one time not to exceed $50.0 million. On November 24, 1998,
Neenah sold $87.0 million in principal amount (excluding $3.0 million of
unamortized premium) of 11 1/8% Senior Subordinated Notes due 2007. Neenah used
$29.0 million of the proceeds to pay down the borrowings under the acquisition
loan facility and $42.0 million, excluding costs and expenses, to acquire Cast
Alloys. The remaining proceeds are to be used for general corporate purposes.
    
 
   
     Neenah's liquidity needs will arise primarily from debt service on the
above indebtedness, working capital needs, the funding of capital expenditures
and additional acquisitions. Borrowings under the senior bank facilities bear
interest at variable interest rates. The senior bank facilities impose
restrictions on Neenah's ability to make capital expenditures and both the
senior bank facilities and the indentures governing the senior subordinated
notes limit Neenah's ability to incur additional indebtedness. The covenants
contained in the senior bank facilities also, among other things, restrict the
ability of Neenah and its subsidiaries to dispose of assets, incur guarantee
obligations, prepay the senior subordinated notes or amend its indentures, pay
dividends, create liens on assets, enter into sale and leaseback transactions,
make investments, loans or advances, make acquisitions, engage in mergers or
consolidations, change the business conducted by Neenah, make capital
expenditures or engage in certain transactions with affiliates, and otherwise
restrict corporate activities.
    
 
                                       26
<PAGE>   32
 
   
     For the three months ended December 31, 1998 and December 31, 1997, capital
expenditures were $6,856 and $1,612, respectively. The $5,244 increase in
capital expenditures was primarily the result of planned enhancements to certain
equipment in the manufacturing area, including significant expenditures at
Advanced Cast Products and Deeter, which were acquired in fiscal 1998. For the
fiscal years ended March 31, 1996 and 1997, the pro forma twelve months ended
September 30, 1997 and the year ended September 30, 1998, capital expenditures
were $7.3 million, $4.5 million, $5.1 million and $13.1 million, respectively.
The capital expenditures for the year ended September 30, 1998 were primarily
the result of planned enhancements to certain equipment in the manufacturing
area and include expenditures of the recently acquired subsidiaries, excluding
Advanced Cast Products, since their acquisition date.
    
 
   
     Neenah's principal source of cash to fund its liquidity needs will be net
cash from operating activities and borrowings under its senior bank facilities.
Net cash from operating activities for the three months ended December 31, 1998
was $6,780, an increase of $4,307 from $2,473 for the three months ended
December 31, 1997. The increase in net cash from operating activities was
primarily the result of increased cash flow from the recently acquired
subsidiaries and improved control of inventory and accounts receivable balances.
Net cash from operating activities for the year ended September 30, 1998 was
$24.2 million. Net cash from operating activities for the pro forma twelve
months ended September 30, 1997 was $37.4 million. The decrease resulted from
lower net income and a paydown of accounts payable and accrued liabilities
during the year ended September 30, 1998. Net cash from operating activities for
the year ended March 31, 1997 was $23.5 million, an increase of $1.2 million
from $22.3 million for the year ended March 31, 1996, primarily as a result of
an increase in net income.
    
 
   
     Neenah believes that cash generated from operations and existing revolving
lines of credit under the senior bank facilities will be sufficient to meet its
normal operating requirements, including working capital needs and interest
payments on Neenah's outstanding indebtedness.
    
 
   
     Amounts under the $50.0 million revolving credit facility may be used for
working capital and general corporate purposes, subject to certain limitations
under the senior bank facilities. Amounts under the acquisition loan facility
may be used to make acquisitions permitted under the senior bank facilities.
Neenah believes that such resources, together with the potential future use of
debt or equity financing, will allow Neenah to pursue its strategic goal of
making selective acquisitions.
    
 
RAW MATERIALS
 
   
     Although the prices of all raw materials used by Neenah vary, the
fluctuations in the price of steel scrap are the most significant to Neenah.
Neenah has arrangements with most of its industrial customers which require
Neenah to adjust industrial casting prices to reflect scrap price fluctuations.
In periods of rapidly rising or falling scrap prices, these adjustments will lag
the current scrap price because they are generally based on average market
prices for prior periods, which periods vary by customer but are generally no
longer than six months. Castings are generally sold to the heavy municipal
market on a bid basis and, after a bid is won, the price for the municipal
casting subject to the bid generally cannot be adjusted for raw material price
increases. However, in most cases Neenah has been successful in obtaining higher
municipal casting unit prices in subsequent bids to compensate for rises in
scrap prices in prior periods. Rapidly fluctuating scrap prices may have a
temporary adverse or positive effect on Neenah's results of operations.
    
 
INFLATION
 
   
     Neenah does not believe that inflation has had a material impact on its
financial position or results of operations during the past three years.
    
 
                                       27
<PAGE>   33
 
CYCLICALITY AND SEASONALITY
 
   
     Neenah has historically experienced moderate cyclicality in the heavy
municipal market. Sales of municipal products are influenced by, among other
things, public spending. In the industrial market, Neenah has experienced
cyclicality in sales resulting from fluctuations in the medium- and heavy-duty
truck market and the farm equipment market, which are subject to general
economic trends.
    
 
   
     Neenah experiences seasonality in its municipal business where sales tend
to be higher during the construction season, which occurs during the warmer
months, generally the third and fourth quarters of Neenah's fiscal year. Neenah
maintains level production throughout the year in anticipation of such
seasonality and does not experience production volume fluctuations as a result.
Neenah builds inventory in anticipation of the construction season with such
inventories reaching a peak near the end of its second quarter in March. Neenah
has not historically experienced seasonality in industrial casting sales.
    
 
YEAR 2000
 
   
     Neenah and its subsidiaries have conducted an evaluation of the actions
necessary in order to ensure that its computer systems will be able to function
without disruption with respect to the application of dating systems in the Year
2000. As a result of this evaluation, each company within the consolidated
entity is engaged in the process of upgrading, replacing and testing certain of
its information and other computer systems in order to operate without
disruption due to Year 2000 issues. The following represents a summary of the
status of information systems and non-information systems by subsidiary:
    
 
   
  Neenah Foundry Company
    
 
   
     A local consulting firm has been engaged since March, 1998 to assess the
adequacy of all Neenah's software and make whatever changes are necessary to be
compliant with Year 2000 issues. The project is expected to be completed by June
30, 1999. For non-information systems, Neenah is internally checking all
computer programs and PC units for Year 2000 compliance. This program is also
expected to be completed by June 30, 1999.
    
 
   
  Dalton Corporation
    
 
   
     An internal task force was created to review all information systems to
test their compliance with Year 2000 issues. This review is expected to be
completed by September 30, 1999 with all critical systems Y2K compliant.
    
 
   
  Advanced Cast Products
    
 
   
     An internal task force has reviewed all financial and information systems
currently in use and have deemed all existing systems are Y2K compliant. From a
non-information systems perspective, we believe all CNC and other controls
within the operation are compliant as well.
    
 
   
  Mercer Forge Corporation
    
 
   
     New software has been purchased for information systems that is compliant
with Year 2000 issues. With respect to non-information systems, older PCs are
currently being replaced and custom programs are being reviewed and updated
where necessary. Manufacturing programmable controllers and CNC controls have
been analyzed for Y2K problems and we believe no problems exist that will have
any material adverse effect on the business. The total review process is
expected to be completed by September 30, 1999.
    
 
                                       28
<PAGE>   34
 
   
  Deeter Foundry
    
 
   
     New software has been purchased for information systems that is compliant
with Year 2000 issues. With respect to non-information systems, Neenah has just
completed major renovations in the melting and sand system areas. As a result,
all of these systems are compliant with Year 2000 issues.
    
 
   
  Cast Alloys, Inc.
    
 
   
     New software has been purchased for information systems that is compliant
with Year 2000 issues. With respect to non-information systems, Neenah is
currently internally reviewing all critical systems to make sure they are Y2K
compliant. This review process is expected to be completed by September 30,
1999.
    
 
   
     In addition to investigations of its own systems, Neenah has begun
assessing the Year 2000 readiness of its important vendors and customers. Key
customers, vendors and service providers have been queried about their Y2K
readiness and their responses are being analyzed. We believe that all our
important critical vendors and customers either have or will have addressed any
problems associated with the Year 2000 issue such that there will be no
significant deterioration in future business dealings due to this issue.
    
 
   
     Costs specifically associated with renovating software for Y2K readiness
are funded through operating cash flows and expensed as incurred. Y2K related
costs have not had a material effect on Neenah's financial position or results
of operations. Neenah expects to incur total costs (capital and expense) in the
range of $1.5 to $2.0 million on the Y2K problem of which a total of
approximately 25% to 30% is remaining to be incurred. Costs of replacing some of
Neenah's systems with Year 2000 compliant systems (including both hardware and
software) that have an extended useful life in excess of one year have been
appropriately capitalized.
    
 
   
     Although there can be no assurance that the remedial actions being
implemented by Neenah will address every issue relating to the Year 2000 issue,
Neenah believes it is unlikely that any disruptions resulting from the Year 2000
issue would have a significant impact on its overall operations. Although it is
highly unlikely that Neenah will face Y2K issues that significantly impact its
overall operations, business continuity plans may have to be developed later
this year should facts and circumstances dictate such a strategy to handle
potential contingencies regarding unforeseen Y2K problems. Up to this point, no
critical informational technology projects have been either delayed or curtailed
due to Year 2000 efforts. In addition, Neenah has not experienced any
significant Year 2000 problems to date.
    
 
QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK
 
   
     Neenah is exposed to market risk related to changes in interest rates.
Neenah does not use derivative financial instruments for speculative or trading
purposes.
    
 
   
  Interest Rate Sensitivity
    
 
   
     Neenah's earnings are affected by changes in short-term interest rates as a
result of its borrowings under the senior bank facilities. If market interest
rates for such borrowings average 1% more during the fiscal year ended September
30, 1999 than they did during fiscal 1998, Neenah's interest expense would
increase, and income before income taxes would decrease by approximately $1.7
million. This analysis does not consider the effects of the reduced level of
overall economic activity that could exist in such an environment. Further, in
the event of a change of such magnitude, management could take actions to
further mitigate its exposure to the change. However, due to the uncertainty of
the specific action that would be taken and their possible effects, the
sensitivity analysis assumes no changes in Neenah's financial structure.
    
 
                                       29
<PAGE>   35
 
                                    BUSINESS
 
   
NEENAH FOUNDRY COMPANY
    
 
  Overview
 
   
    On April 30, 1997, in accordance with the terms of a merger agreement with
 NC Merger Company and NFC Castings, Inc., Neenah Corporation, our predecessor
 company, was acquired by NFC Castings, Inc. as a result of the merger of NC
 Merger with and into the predecessor company. Prior to July 1, 1997, Neenah was
 one of three wholly owned subsidiaries of Neenah Corporation, a holding company
 with no significant assets or operations other than its holdings in the common
 stock of its three wholly owned subsidiaries. On July 1, 1997, Neenah merged
 with and into Neenah Corporation and the surviving company changed its name to
 Neenah Foundry Company.
    
 
   
    Neenah, founded in 1872, along with its two wholly-owned subsidiaries,
 Hartley Controls Corporation and Neenah Transport, Inc., is one of the largest
 manufacturers of a wide range of high quality ductile and gray iron castings
 for the heavy municipal market and selected segments of the industrial market.
 Neenah believes it is the largest manufacturer of heavy municipal iron castings
 in the United States with approximately a 19% market share. Neenah's broad
 range of heavy municipal iron castings includes:
    
 
   
     - manhole covers and frames,
    
 
   
     - storm sewer frames and grates,
    
 
   
     - heavy duty airport castings,
    
 
   
     - specialized trench drain castings,
    
 
   
     - specialty flood control castings and
    
 
   
     - ornamental tree grates.
    
 
   
 These municipal castings are sold throughout the United States to state and
 local government entities, utility companies, precast concrete manhole
 structure producers and contractors for both new construction and
 infrastructure replacement. The municipal market generated approximately 41% of
 Neenah's net sales for the year ended September 30, 1998. Neenah believes it is
 also a leading manufacturer of a wide range of complex industrial castings,
 including:
    
 
   
     - castings for medium- and heavy-duty truck drive line components,
    
 
   
     - a broad range of castings for the farm equipment industry and
    
 
   
     - specific components for compressors used in heating, ventilation and air
       conditioning systems ("HVAC").
    
 
   
    The industrial market generated approximately 56% of Neenah's net sales for
 the year ended September 30, 1998. In addition, Neenah engineers, manufactures
 and sells customized sand control systems and related products, which are an
 essential part of the casting process, to other iron foundries. Sales of these
 sand control systems and related products represented approximately 3% of
 Neenah's net sales for the year ended September 30, 1998.
    
 
   
    Neenah currently operates two modern foundries with an annual aggregate
 rated capacity of approximately 187,000 tons at a single site in Neenah,
 Wisconsin. From 1985 to 1997, Neenah has invested approximately $100 million in
 its production facilities, with approximately $73 million invested in a major
 plant modernization program from 1985 to 1990. This plant modernization program
 was a critical part of a long-term strategy to produce higher volume,
 value-added castings for its existing industrial customers and to penetrate
 other selected segments of the industrial market, while preserving its position
 as the leader in the heavy municipal market. This moderniza-
    
 
                                       30
<PAGE>   36
 
   
 tion program entailed the closing of Neenah's oldest foundry, Plant 1, and the
 updating of Neenah's other two foundries, Plants 2 and 3, which enabled Neenah
 both to produce higher volume, complex castings for selected industrial
 segments and to improve Neenah's cost position in the heavy municipal market.
 Following completion of the modernization program, Neenah has steadily
 decreased its production of lower margin products such as axle covers and brake
 drums and increased the production of higher margin, more complex parts, such
 as transmission and axle housings.
    
 
  Products, Customers and Markets
 
   
    Neenah provides a variety of products to both the heavy municipal and
 industrial markets. The following table sets forth certain information
 regarding the end-user markets served by Neenah, the products produced by
 Neenah, representative customers in each end-user market and the percentage of
 net sales attributable to each of Neenah's markets for the fiscal year ended
 September 30, 1998.
    
 
<TABLE>
<CAPTION>
                                                                           PERCENTAGE OF NET
                                                                                SALES(1)
                                                                           ------------------
                                                      REPRESENTATIVE       FISCAL YEAR ENDED
      MARKET                  END PRODUCT                CUSTOMERS         SEPTEMBER 30, 1998
 -----------------      ------------------------      ---------------      ------------------
 <S>                    <C>                           <C>                  <C>
 Heavy Municipal        Standard castings             State and local            40.7%
                        including storm and           government
                        sanitary sewer castings,      entities,
                        including manhole covers      utility
                        and frames, storm sewer       companies,
                        frames and grates;            precast
                        Specialty castings            concrete
                        including heavy duty          structure
                        airport castings,             producers and
                        specialized trench drain      contractors(2)
                        castings, specialty
                        flood control castings
                        and ornamental tree
                        grates
 Industrial
 
   Medium- and
   Heavy-Duty
   Truck                Differential carriers         Rockwell                   37.3%
                        and cases, brackets,          International
                        cages, calipers, caps,        Eaton Corp.
                        carriers, hubs,               Dana Corp.
                        knuckles, transmission
                        housings, yokes
 
   Farm Equipment       Various gear housings,        John Deere                 16.0%
                        planet carriers, axle         New Holland
                        housings, planting and
                        harvesting equipment
                        parts, counterweights
 
   Other
      Industrial        Compressor components,        Aisin                       6.0%
                        various housing and gear      The Trane
                        cases                         Company
</TABLE>
 
- ---------------
 (1) Net sales include sales of Neenah Foundry Company only, excluding Hartley
     Controls Corporation and Neenah Transport, Inc.
 
 (2) No municipal customer represented more than 1.5% of Neenah Foundry's net
     sales for the fiscal year ended September 30, 1998.
 
   
     Heavy Municipal
    
 
   
       Neenah believes it is the largest manufacturer of heavy municipal iron
 castings in the United States and estimates its market share in calendar year
 1998 to have been 19%. Neenah's broad
    
 
                                       31
<PAGE>   37
 
   
 heavy municipal product line consists of two general categories of castings,
 "standard" and "specialty" castings. Standard castings principally consist of
 storm and sanitary sewer castings which are consistent with pre-existing
 dimension and strength specifications established by local authorities.
 Standard castings are generally high volume items that are routinely used in
 new construction and infrastructure replacement. Specialty castings are
 generally lower volume, higher margin products which include heavy-duty airport
 castings, trench drain castings, flood control castings, special manhole and
 inlet castings and ornamental tree grates. These specialty items are frequently
 selected and/or specified from Neenah's municipal product catalog and its tree
 grate catalog, which together encompass over 4,400 standard and specialty
 patterns. For many of these specialty products, Neenah believes it is the only
 manufacturer with existing patterns to produce such a particular casting,
 although a competing manufacturer could elect to make the investment in
 patterns or equipment necessary to produce such a casting.
    
 
   
       Neenah's municipal castings are sold to state and local government
 entities, utility companies, pre-cast concrete manhole structure producers and
 contractors for both new construction and infrastructure replacement. Neenah's
 17,000 active municipal customers generally make purchase decisions based on a
 number of criteria including acceptability of the product per local
 specification, quality, service, price and the customer's relationship with the
 foundry. Relative to customers in the industrial market, municipal market
 customers are less technically demanding and rely on published product
 specifications to ensure product performance.
    
 
   
       A key aspect of winning orders in the heavy municipal market is the
 specification process in which a local authority or design engineer sets
 specific criteria for the casting or castings to be used in a particular
 project. Those criteria then become part of the formal plans and specifications
 that will govern the acceptability of castings for a particular project. Neenah
 seeks to be an active participant in the specification process. Its sales staff
 makes frequent calls on design engineers as part of a continuous effort to stay
 abreast of current specifications and upcoming projects. In these sales calls,
 Neenah seeks to create opportunities for the selection of specifications which
 utilize an existing Neenah pattern. Although in many cases the design engineer
 who sets the specification does not make the purchase decision, when Neenah's
 specialty product is specified it becomes more difficult for another
 manufacturer to provide an alternate part which is considered acceptable.
 Neenah's professional sales staff and product engineering department are highly
 regarded by design engineers and are frequently consulted during the
 specification drafting process. Neenah believes its reputation for its product
 engineering support, consistent quality and reliable service have made Neenah's
 municipal and tree grate catalogs two of the most frequently used specification
 design tools in the municipal casting industry.
    
 
   
       Over the past three years, Neenah has begun to introduce what it calls
 "lightweighted" parts to the heavy municipal market. These lightweighted parts
 have been reengineered in order to reduce both their weight and the amount of
 raw materials necessary for their manufacture, while maintaining the high
 quality performance characteristics of the heavier version of the casting. This
 improvement in the design and manufacture of municipal castings has resulted in
 lower material costs and improved margins for this product line. Neenah is able
 to manufacture lightweighted castings because its manufacturing processes
 enable it to refine casting walls down to very narrow tolerances, many of which
 are currently not achievable by Neenah's competitors. While only a portion of
 the municipal castings Neenah sells are candidates for lightweighting, Neenah
 expects to continue to increase the number of lightweighted castings which it
 offers for sale over the next several years.
    
 
   
     Industrial
    
   
    
 
   
       Neenah believes it is a leading manufacturer of a wide range of complex
 industrial castings, including castings for medium- and heavy-duty truck drive
 line components and farm equipment as well as castings for specific components
 for compressors used in HVAC systems. Neenah's industrial castings have
 increased in complexity since the early 1990's and are generally produced
    
                                       32
<PAGE>   38
 
 in higher volumes than municipal castings. Complexity in the industrial market
 is determined by the intricacy of a casting's shape, the thinness of its walls
 and the amount of processing by a customer required before a part is suitable
 for use by it. Original equipment manufacturers ("OEMs") and their first tier
 suppliers have been demanding higher complexity parts principally to reduce
 labor costs in their own production processes by using fewer parts to
 manufacture the same finished product or assembly and by using parts which
 require less preparation before entering the production process.
 
   
       Neenah's industrial castings are primarily sold to a limited number of
 customers with whom Neenah has established a close working relationship. Neenah
 has sold to certain industrial customers for over 20 years and currently has
 multi-year arrangements with certain of those customers. These customers make
 purchasing decisions based on, among other things, technical ability, price,
 service, quality assurance systems, facility capabilities and reputation.
 However, as in the municipal market, Neenah's assistance in product engineering
 plays an important role in winning the award of industrial castings. The
 average industrial casting typically takes between 12 and 18 months to go from
 the design phase to full production and has an average product life cycle of
 approximately 8 to 10 years. The patterns for industrial castings, unlike the
 patterns for municipal castings, are owned by Neenah's customers rather than
 Neenah, however, such industrial patterns are not readily transferrable to
 other foundries without, in most cases, significant additional investment.
 Although foundries, including Neenah, do not design industrial castings, a
 close working relationship between a foundry and the customer during a product
 launch is critical to reduce potential production problems and minimize the
 customer's risk of incurring lost sales or reputation damage due to a delayed
 launch. Involvement by a foundry early in the design process generally improves
 the likelihood that the customer will design a casting within the manufacturing
 capabilities of such foundry and also improves the likelihood that such foundry
 will be awarded the casting for full production.
    
 
   
       Neenah estimates that it has historically retained approximately 90% of
 the castings it has been awarded throughout the product life cycle, which is
 typical for the industry. Neenah believes industrial customers will continue to
 seek out foundries with a strong reputation for performance who are capable of
 providing a cost-effective combination of manufacturing technology and quality.
 Neenah's strategy is to further its relationships with existing customers by
 participating in the design and production of more complex industrial castings,
 while seeking out selected new customers who would value Neenah's performance
 reputation, technical ability and high level of quality and service.
    
 
   
       In addition to increasing its sales to existing customers and seeking out
 new customers, Neenah intends to explore opportunities in austempering and
 machining and assembling sub-components for specific industrial customers.
 Austempering is the process of heat treating a ductile iron casting to increase
 its strength, thereby increasing the casting's ability to replace steel in
 additional applications. Machining and sub-assembling are value-added processes
 often performed by the OEM or third parties. Austempering, machining and
 sub-assembly are both processes which generally provide higher margins and
 increase a customer's reliance on the manufacturer.
    
 
  Sales and Marketing
 
   
     Heavy Municipal
    
 
   
       Over its 70 years of heavy municipal market participation, Neenah has
 emphasized sales and marketing and believes it has built a strong reputation
 for customer service. Neenah believes it is one of the leaders in United States
 heavy municipal casting production and has strong name recognition. Neenah has
 the largest sales and marketing effort of any foundry serving the heavy
 municipal market, including 51 Neenah employees and \24 commissioned
 representatives. The dedicated sales force works out of regional sales offices
 to market Neenah's municipal castings to
    
 
                                       33
<PAGE>   39
 
   
 contractors and state and local governmental entities throughout the United
 States. Neenah operates nine regional distribution and sales centers and has
 two other sales offices in Oklahoma City, Oklahoma and Norwood, Pennsylvania.
 Neenah believes this regional approach enhances its knowledge of local
 specifications and its position in the heavy municipal market.
    
 
   
     Industrial
    
   
    
 
   
       Neenah employs a dedicated industrial casting sales force of six people,
 five based in Neenah, Wisconsin and one based in Mansfield, Ohio. These six
 people consist of three account coordinators, who support the ongoing customer
 relationships and organize the scheduling and delivery of shipments, and three
 major account managers who work with customers' engineers and procurement
 representatives, Neenah engineers, manufacturing management and quality
 assurance representatives throughout all stages of the production process to
 ensure that the final product consistently meets or exceeds customer
 specifications. This team approach between sales, manufacturing, marketing,
 engineering and quality assurance is an integral part of Neenah's, marketing
 strategy.
    
 
  Manufacturing Process
 
   
    Neenah operates two modern foundries with an annual rated capacity of
 approximately 187,000 tons at a single location in Neenah, Wisconsin. Neenah's
 foundries manufacture gray and ductile iron and cast it into intricate shapes
 according to customer metallurgical and dimensional specifications. From 1985
 to 1997, Neenah invested approximately $100 million in its production
 facilities, with approximately $73 million invested from 1985 to 1990 in plant
 modernization and new equipment. Neenah also continually invests in the
 improvement of process controls and product performance and believes that these
 investments and its significant experience in the industry have made it one of
 the most efficient manufacturers of industrial and heavy municipal casting
 products. During the fiscal year ended September 30, 1998, Neenah had a
 combined scrap rate of 2.3%.
    
 
    The casting process involves using metal, wood or urethane patterns to make
 an impression of a casting product in a mold made primarily of sand. Cores,
 also made primarily of sand, are used to make the internal cavities and
 openings in a casting product. Once the casting impression is made in the mold,
 the cores are set into the mold and the mold is closed. Molten metal is then
 poured into the mold, fills the mold cavity and takes on the shape of the
 desired casting product. Once the iron has solidified and cooled, the mold is
 shaken from the casting and the sand is recycled. The selection of the
 appropriate casting method, pattern, core making equipment and sand and other
 raw materials depends on the final product and its complexity, specifications,
 and function as well as intended production volumes. Because the casting
 process involves many critical variables, such as choice of raw materials,
 design and production of tooling, iron chemistry and metallurgy, and core and
 molding sand properties, it is important to monitor the process parameters
 closely to ensure dimensional precision and metallurgical consistency. See
 "-- Quality Assurance."
 
   
    Neenah continually seeks to find ways to expand the capabilities of existing
 technology to improve manufacturing processes. An example of this expansion is
 Neenah's integration of Disamatic molding machines into its operations.
 Disamatic molding machines are considered to be among the most efficient sand
 molding machines because of their ability to produce high quality molds at high
 production rates. Disamatic molding machines are used by most of Neenah's
 direct competitors. Although Neenah was not the first foundry to acquire
 Disamatic molding machines, it has significantly enhanced the equipment's range
 of production by combining it with core-setting capabilities which exceed those
 of most foundries. To further improve upon the productivity of the Disamatic
 molding machines, Neenah has recently increased the length of two of its
 cooling lines, making each line among the longest lines in the world for
 comparable Disamatic equipment. This extension allows Neenah to run its
 machines at higher production rates while providing sufficient inmold cooling
 time prior to mold shakeout to facilitate the production of high quality
 castings. As a
    
 
                                       34
<PAGE>   40
 
   
 result of these and other similar efforts, Neenah has been able to increase
 productivity as measured in the number of molds per hour.
    
 
   
    Neenah also achieves productivity gains by improving upon the individual
 steps of the casting process such as reducing the amount of time required to
 make a pattern change to produce a different casting product. The reduced time
 permits it to profitably produce castings in medium volume quantities on high
 volume, cost-effective equipment such as the Disamatic molding machines.
 Additionally, extensive effort in real time process controls permits Neenah to
 produce a consistent, dimensionally accurate casting product which requires
 less time and effort in the final processing stages of production. This
 accuracy contributes significantly to Neenah's manufacturing efficiency.
    
 
  Manufacturing Facilities, Equipment and Properties
 
   
    Neenah's headquarters and two foundries are located in Neenah, Wisconsin.
 The first manufacturing foundry, Plant 2, produces gray and ductile iron
 castings and is equipped with one BMD air impulse molding line, two Hydro
 slinger cope and drag molding units, and one 2070 Type B Disamatic molding
 machine. The second manufacturing foundry, Plant 3, produces ductile iron
 castings and is equipped with one 2013 Mark IV Disamatic molding machine and
 one 2070 Type B Disamatic molding machine. In July, 1995, Neenah completed a
 program in Plant 3 to gain efficiencies in material handling, labor utilization
 and molding line productivity. Industrial and municipal castings are produced
 in both plants. Neenah owns seven and leases six distribution and sales
 centers.
    
 
  Quality Assurance
 
   
    Constant testing and monitoring of the manufacturing process is important to
 maintain product quality. Neenah has adopted sophisticated quality assurance
 techniques and policies for its manufacturing operations. During and after the
 casting process, Neenah performs numerous tests, including tensile, proof-load,
 radiography, ultrasonic, magnetic particle and chemical analysis. Neenah
 utilizes statistical process controls to measure and control significant
 process variables and casting dimensions. The results of this testing are
 documented in metallurgical certifications which are provided with each
 shipment to most industrial customers. Neenah strives to maintain systems that
 provide for continuous improvement of operations and personnel, emphasize
 defect prevention and reduce variation and waste in all areas.
    
 
  Distribution
 
   
    Neenah sells a substantial amount of its municipal castings through its
 network of two warehouses, nine distribution and sales centers and two other
 sales offices. Industrial castings are shipped direct to customers from Neenah.
 For many municipal and a small portion of its industrial customers, castings
 are delivered by Neenah Transport, Inc. ("Neenah Transport"), a wholly owned
 subsidiary of Neenah, which operates a fleet of 28 tractors and 101 trailers
 that deliver products throughout the Midwest. For sales outside of the Midwest,
 increased transportation costs impact the ability of Neenah to compete on a
 cost basis. Neenah Transport also backhauls raw materials for use by Neenah on
 return trips. Neenah Transport is staffed with professional drivers who are
 trained in service standards and product knowledge as representatives of
 Neenah. To Neenah's knowledge, none of Neenah's major heavy municipal
 competitors have a captive transportation subsidiary. Neenah believes Neenah
 Transport's service and drivers provide another differentiating factor in favor
 of Neenah.
    
 
  Raw Materials
 
   
    The primary raw materials used by Neenah to manufacture iron castings are
 steel scrap, pig iron, metallurgical coke and silica sand. While there are
 multiple suppliers for each of these
    
 
                                       35
<PAGE>   41
 
   
 commodities, Neenah has sourcing arrangements with its suppliers of each of
 these major raw materials, with the exception of pig iron. Due to long standing
 relationships with each of its suppliers, Neenah believes that it will continue
 to be able to secure raw materials from its suppliers at competitive prices.
 The primary energy sources for Neenah's operations, electricity and natural
 gas, are purchased through utilities.
    
 
   
    Although the prices of all raw materials used by Neenah vary, the
 fluctuations in the price of steel scrap are the most significant to Neenah.
 Neenah has arrangements with most of its industrial customers which require
 Neenah to adjust industrial casting prices to reflect scrap price fluctuations.
 In periods of rapidly rising or falling scrap prices, these adjustments will
 lag the current scrap price because they are generally based on average market
 prices for prior periods, which periods vary by customer but are generally no
 longer than six months. Castings are generally sold to the heavy municipal
 market on a bid basis and, after a bid is won, the price for the municipal
 casting subject to the bid generally cannot be adjusted for raw material price
 increases. However, in most cases Neenah has been successful in obtaining
 higher municipal casting unit prices in subsequent bids to compensate for rises
 in scrap prices in prior periods. Rapidly fluctuating scrap prices may have a
 temporary adverse or positive effect on Neenah's results of operations.
    
 
  Competition
 
   
    The markets for Neenah's products are highly competitive. Competition is
 based not only on price, but also on quality of product, range of capability,
 level of service and reliability of delivery. Neenah competes with numerous
 independent and captive foundries, as well as with a number of foreign iron
 foundries, including certain foundries located in India. Neenah also competes
 with several large domestic manufacturers whose products are made with
 materials other than ductile and gray iron, such as steel or aluminum. The
 industry consolidation that has occurred over the past 20 years has resulted in
 a significant reduction in the number of smaller foundries and a rise in the
 share of production by larger foundries, some of which have significantly
 greater financial resources than Neenah. Competition from India has had a
 strong presence in the heavy municipal market and continues to be a factor,
 primarily in the western and eastern coastal states, due in part to costs
 associated with transportation. However, foreign companies have been, and
 continue to be, subject to antidumping and counterveiling duty enforcement
 litigation which Neenah believes has had a negative effect on foreign
 companies' ability to compete in the United States markets. There can be no
 assurance that these factors will continue to mitigate the impact of foreign
 competition, or that Neenah will be able to maintain or improve its competitive
 position in the markets in which it competes.
    
 
  Backlog
 
   
    Neenah's industrial business generally involves supplying all or a portion
 of a customer's annual requirements for a particular casting. Industrial
 customers generally order castings on a monthly basis. Orders for the heavy
 municipal market are generally received for specific casting products and cover
 a much larger range of castings. Neenah's backlog at any given time consists
 only of firm industrial and municipal orders. Neenah's backlog was 18,203 tons
 at December 31, 1998 as compared to 18,723 tons at September 30, 1998. The
 decrease in backlog of approximately 3% was primarily the result of seasonal
 softening in the municipal segment and a decrease in product orders for
 components used in agriculture. See "Management's Discussion and Analysis of
 Financial Condition and Results of Operations."
    
 
  Hartley Controls
 
   
    Hartley Controls, a wholly owned subsidiary of Neenah, engineers,
 manufactures and sells customized sand control systems, which are an essential
 part of the casting process, to other iron foundries. The sand molding media
 used in all high production iron foundries is a critical element in determining
 the mold quality. Exacting and consistent control of this sand with respect to
 moisture
    
                                       36
<PAGE>   42
 
   
 and chemical additives is an essential element for process control, and relates
 directly to casting quality, scrap rate and the ability to produce complex
 molds for highly engineered castings. Hartley Controls is a major United States
 supplier of sand control systems, with over 300 installations since 1986.
 Hartley Controls has made investments in process technology and has several
 patented technologies related to sand systems, including the "Automatic
 Moisture Controllers," the "Even-Flo Bin," the "Automatic Compactibility
 Tester," the "Automatic Bond Determinator," the "Green Sand Reconditioner" and
 the "Sandman." Sales of these sand systems and related products represented
 approximately 3% of Neenah's net sales for year ended September 30, 1998.
    
 
   
    In addition, Hartley Controls has recently expanded overseas and after only
 three years has become a significant supplier of sand control systems in the
 United Kingdom. Hartley Controls is the only manufacturer to supply control
 systems in the United Kingdom for all brands of foundry sand mixers. Hartley
 Controls also currently exports sand control systems to India. Hartley Controls
 provides Neenah access to the newest technology in sand control as it becomes
 available.
    
 
  Employees
 
   
    As of September 30, 1998, Neenah had 970 full time employees, of whom 761
 were hourly employees and 209 were salaried employees. The Local 121B of the
 Glass, Molders, Pottery, Plastics and Allied Workers International Union
 AFL-CIO is the major bargaining agent for and representative of 726 of Neenah's
 hourly employees. The collective bargaining agreement with Local 121B was
 reached on December 31, 1998 and expires on December 31, 2001. The Independent
 Patternmakers Union of Neenah, Wisconsin is the major bargaining agent for and
 representative of 35 of Neenah's hourly employees. The collective bargaining
 agreement with the Independent Patternmakers Union was reached on January 1,
 1998 and expires on December 31, 2000. Neenah believes that it has a good
 relationship with its employees.
    
 
  Litigation
 
   
    Neenah is involved in routine litigation incidental to its business. Such
 litigation is not, in the opinion of management, likely to have a material
 adverse effect on the financial condition or results of operation of Neenah.
    
 
  Environmental Matters
 
   
    Each of Neenah's and the recently acquired subsidiaries' facilities are
 subject to federal, state and local laws and regulations relating to pollution
 and the protection of the environment and worker health and safety, including
 those relating to discharges to air, water and land, the handling and disposal
 of waste, the operation of landfills and the cleanup of properties affected by
 hazardous substances. Such laws include, among others, the federal Clean Air
 Act, the Clean Water Act, the Resource Conservation and Recovery Act, the
 Comprehensive Environmental Response, Compensation, and Liability Act of 1980
 ("CERCLA"), and the Occupational Safety and Health Act. Neenah believes that
 its and each of the recently acquired subsidiaries' operations are currently in
 substantial compliance with applicable environmental laws and regulations and
 that it has no liabilities arising under such laws and regulations, except as
 would not be expected to have a material adverse effect on any of Neenah's or
 any of the recently acquired subsidiaries' operations, financial condition or
 competitive position. However, some risk of environmental liability and other
 costs is inherent in the nature of each of Neenah's and the recently acquired
 subsidiaries' businesses. Any of Neenah or the recently acquired subsidiaries
 might in the future incur significant costs to meet current or more stringent
 compliance, cleanup or other obligations in accordance with environmental
 requirements. Such costs may include expenditures related to remediation of
 historical releases of hazardous substances or clean-up of physical structures
 upon decommissioning.
    
 
                                       37
<PAGE>   43
 
   
    Under the federal Clean Air Act Amendments of 1990, the U.S. Environmental
 Protection Agency ("EPA") is directed to establish maximum achievable control
 technology ("MACT") standards for certain industrial operations that are major
 sources of hazardous air pollutants ("HAPs"). The iron foundry industry is not
 expected to be required to implement the MACT emissions limits, control
 technologies or work practices until the year 2003 at the earliest. Although
 Neenah cannot accurately estimate the costs to comply with the MACT standard
 until it is issued, the MACT standard, when implemented, and state laws
 governing the emission of toxic air pollutants may require that certain of
 Neenah's or the Recently Acquired Subsidiaries' facilities incur significant
 costs for air emission control equipment, air emission monitoring equipment or
 process modifications.
    
 
DALTON CORPORATION
 
  Overview
 
   
    On September 8, 1998, Neenah acquired all the capital stock of Dalton
 Corporation for $102.0 million in cash (excluding fees and expenses of $0.6
 million). Dalton manufactures and sells gray iron castings for refrigeration
 systems, air conditioners, heavy equipment, engines, gear boxes, stationary
 transmissions, heavy duty truck transmissions and other automotive parts.
 Dalton's four operating facilities have each been structured to manufacture or
 machine specific components to customer specifications. Dalton specializes in
 using cold box and shell core products as well as precision high-pressure molds
 to manufacture gray iron castings. The majority of Dalton's castings range in
 size from one pound to 700 pounds.
    
 
  Products and Market Share
 
    Dalton's revenues are generated from customers in several industries,
 however, refrigeration and air conditioning represent the largest concentration
 of tons shipped which management estimates is approximately 45% of tons
 shipped. Dalton serves primarily three markets: refrigeration and air
 conditioning, automotive/truck market and heavy equipment.
 
  Recent Financial Results
 
    Over the past five years Dalton has experienced consistent growth in tons of
 castings produced and net sales, but has generated a gradually decreased level
 of net income. The decrease in net income has been caused primarily by
 
   
     (1) increased interest expense due to indebtedness incurred to finance the
         repurchase of shares of Dalton's capital stock from employees when
         Dalton was owned by an employee stock ownership plan;
    
 
   
     (2) increased fixed costs resulting from increased levels of production;
         and
    
 
   
     (3) losses incurred by the Ashland facility as a result of its conversion
         from a ductile to a gray iron casting facility.
    
 
    This conversion, which has been completed, was undertaken due to lower than
 expected orders of the Ashland facilities ductile casting products.
 
  Customers
 
    Dalton has over 100 customers across several industries, with four of
 Dalton's largest five customers operating in the refrigeration/air conditioning
 industry. Dalton's largest 10 customers accounted for approximately 68% of
 Dalton's fiscal year 1998 net sales.
 
                                       38
<PAGE>   44
 
  Raw Materials
 
    The primary raw materials used by Dalton to manufacture iron castings are
 steel scrap, pig iron, metallurgical coke and silica sand. While there are
 multiple suppliers for each of these commodities, Dalton has sourcing
 arrangements with its suppliers of each of these major raw materials, with the
 exception of pig iron. Due to long standing relationships with each of its
 suppliers, Dalton believes that it will continue to be able to secure raw
 materials from its suppliers at competitive prices. The primary energy sources
 for Dalton's operations, electricity and natural gas, are purchased through
 utilities.
 
   
    Although the prices of all raw materials used by Dalton vary, the
 fluctuations in the price of steel scrap are the most significant to Dalton.
 Dalton has arrangements with most of its industrial customers which require
 Dalton to adjust industrial casting prices to reflect scrap price fluctuations.
 In periods of rapidly rising or falling scrap prices, these adjustments will
 lag the current scrap price because they are generally based on average market
 prices for prior periods, which periods vary by customer but are generally no
 longer than six months. Rapidly fluctuating scrap prices may have a temporary
 adverse or positive effect on the Dalton's results of operations.
    
 
  Competition
 
   
    Dalton operates in the same industry as Neenah and therefore faces the same
 competitive environment as Neenah. See "-- Neenah Foundry
 Company -- Competition" and "Risk Factors -- Competition."
    
 
  Manufacturing Facilities
 
    Dalton currently operates four facilities. The main plant, located in
 Warsaw, Indiana ("Warsaw") was established in 1910. Between 1992 and 1995
 Dalton acquired a second plant in Kendallville, Indiana ("Kendallville") and a
 third plant in Ashland, Ohio ("Ashland"). In addition, in 1997 Dalton acquired
 the remaining 50 percent interest in a machining facility located in Stryker,
 Ohio ("Stryker"). Dalton has established a separate headquarters and office
 facility in Warsaw, Indiana.
 
  Employees
 
    At September 30, 1998, Dalton employed 1,638 individuals, consisting of
 1,336 hourly employees and 302 salaried and clerical employees.
 
    Almost all of Dalton's production employees are members of either the Steel
 Workers' Union or the Glass, Molders, Pottery, Plastics and Allied Workers
 International Union. A collective bargaining agreement is negotiated every
 three to five years. The current agreements expire as follows: Warsaw, April
 2003; Kendallville, July 25, 1999; and Ashland, April 26, 1999. Management
 believes that employee relations are good.
 
  Litigation
 
    Dalton is involved in routine litigation incidental to its business. Such
 litigation is not, in the opinion of management, likely to have a material
 adverse effect on the financial condition or results of operation of Dalton.
 
  Environmental Matters
 
   
    Dalton is subject to environmental, health and safety laws comparable to
 those governing Neenah. See "-- Neenah Foundry Company -- Environmental
 Matters."
    
 
                                       39
<PAGE>   45
 
   
  Status of Dalton's Air Emission Compliance
    
 
   
    In connection with Dalton's submission of operating permit applications for
 air emission sources at its facilities in Warsaw and Kendallville under Title V
 of the federal Clean Air Act Amendments of 1990 ("Title V"), the Indiana
 Department of Environmental Management ("IDEM") asked Dalton to address several
 issues of concern:
    
 
   
     (1) alleged exceedances of particulate and volatile organic compound
         ("VOC") emissions levels;
    
 
   
     (2) the applicability of Prevention of Significant Deterioration ("PSD")
         permit review requirements; and
    
 
   
     (3) alleged construction and operation of sources without the required
         permits.
    
 
   
    With respect to (1) above, stack testing conducted at Warsaw in January
 demonstrated compliance with particulate emissions levels. Based on results at
 Warsaw, we believe Kendallville should also be in compliance. Issues raised
 thus far by IDEM regarding VOC issues applicable to Warsaw have been resolved
 in Warsaw's favor. Kendallville has agreed to accept limits on its VOC
 emissions from the paint operation and is also in compliance with VOC limits.
    
 
   
    With respect to (2) above, PSD has been found inapplicable to the Warsaw
 plant; there has been no determination regarding PSD applicability to
 Kendallville at this time.
    
 
   
    With respect to (3) above, both plants expect penalties based on failure to
 obtain construction and operation permits, but both plants have applied for
 limited liability and any penalties are not expected to be material.
    
 
   
    The Title V application review is continuing for both Warsaw and
 Kendallville. At this time it appears that Warsaw will not be required to
 upgrade equipment or to go through PSD review; determinations regarding
 Kendallville have not progressed sufficiently to enable any conclusions on
 these issues.
    
 
   
  Warsaw Monofill NOVs
    
 
   
    Warsaw informed IDEM that it overfilled some areas of one cell of its
 monofill and has received notification from IDEM that this constitutes a
 violation of its permit. Dalton submitted a request to modify its permit to
 allow the overfill to remain. Warsaw has yet to receive a penalty request from
 IDEM; however, the expected penalty remains at $100,000 to $150,000 based on
 similar situations. Although not likely, Dalton could be required to relocate
 the overfill material to another location within its permitted monofill if the
 modification request is denied.
    
 
   
ADVANCED CAST PRODUCTS, INC.
    
 
  Overview
 
   
    On September 8, 1998, ACP Holding Company contributed the capital stock of
 Advanced Cast Products, Inc. to Neenah. The fair market value of the
 contribution will be added to the amount of restricted payments we are
 permitted to make under the indenture listed in the Section "Description of
 Notes" under the heading "Certain Covenants" and the subheading "Limitation on
 Restricted Payments." In connection with the contribution, we assumed $14.9
 million of indebtedness of Advanced Cast Products, Inc. and refinanced $14.6
 million of the assumed indebtedness with borrowings under our senior bank
 facilities.
    
 
   
    Advanced Cast Products is headquartered in Dublin, Ohio. Advanced Cast
 Products produces its products through three principal facilities. The largest
 operation, Meadville, manufactures ductile iron castings through both the
 traditional green sand molding process and its proprietary Evapcast lost foam
 casting process. The Belcher operation manufactures malleable cast iron parts
    
 
                                       40
<PAGE>   46
 
   
 primarily for the electrical fittings industry. Finally, the Peerless operation
 produces bearing adapters for use in rail cars. Peerless is one of only three
 U.S. companies that manufacture railroad bearing adapters. Since 1990, Advanced
 Cast Products has generated gradually increasing sales and operating income
 primarily due to increased volume of products shipped.
    
 
  Products and Processes
 
   
    Advanced Cast Products is a leading independent manufacturer of ductile and
 malleable iron castings that are produced through both traditional casting
 methods and through Advanced Cast Products, Inc.'s Evapcast lost foam casting
 process. Advanced Cast Products' production capabilities also include a range
 of finishing operations including austempering and machining. Advanced Cast
 Products sells its products primarily to companies in the heavy truck,
 construction equipment, railroad, mining, electrical fittings and automotive
 industries.
    
 
   
    Evapcast and CasTuf are two of Advanced Cast Products' proprietary casting
 processes. Evapcast utilizes lost foam molding technology to produce near
 net-shape castings, which allow for tighter tolerances, a smoother surface and
 enhanced part complexity and require significantly less machining. CasTuf
 process produces austempered ductile iron castings with superior strength
 characteristics. CasTuf replaces more expensive steel castings, forgings and
 fabrications, providing increased design flexibility. Management believes that
 Advanced Cast Products is the first and only ductile foundry in the U.S. with
 its own in-house austemper furnace and is one of only two ductile iron
 foundries to have developed the lost-foam casting process. Advanced Cast
 Products is also a leading provider of in-house machined castings through its
 expanded machining capability, which utilizes state-of-the-art CNC machines.
    
 
   
    Advanced Cast Products' products and processes have enabled the company to
 develop long-term working relationships with many key customers. This has
 allowed Advanced Cast Products to retain existing customers, build on its
 customer base and obtain favorable pricing.
    
 
  Customers
 
   
    Advanced Cast Products serves a diverse base of approximately 400 customers.
 Freightliner Corporation, Advanced Cast Products' largest customer, accounted
 for more than 16% of Advanced Cast Products' net sales for its fiscal year
 ended September 30, 1998. Advanced Cast Products specializes in meeting the
 more difficult requirements of its largest customers such as Caterpillar,
 Freightliner and Dana. Advanced Cast Products has been presented supplier
 awards from each of these OEMs and has earned the ability to obtain new part
 awards as they become available.
    
 
   
    Advanced Cast Products works closely with its customers from the beginning
 of the design process until the shipment of finished parts. Due to this level
 of customer service along with its products and services, Advanced Cast
 Products has been able to increase sales to existing customers as well as
 expand its customer base. Advanced Cast Products offers its customers a
 package, which includes casting, austempering, machining, painting and
 assembly. This combination of products and services reduces the risk of
 Advanced Cast Products customers moving their products to other manufacturers.
    
 
   
    Advanced Cast Products sells its products to customers in a wide range of
 industries. In fiscal year 1997, Advanced Cast Products' net sales were
 primarily to the heavy truck, railroad and pipe pressure fitting industries.
    
 
  Raw Materials
 
   
    The primary raw materials used by Advanced Cast Products to manufacture iron
 castings are steel scrap, alloys and silica sand. While there are multiple
 suppliers for each of these commodities, Advanced Cast Products has sourcing
 arrangements with its suppliers of each of these major
    
 
                                       41
<PAGE>   47
 
   
 raw materials. Due to long standing relationships with each of its suppliers,
 Advanced Cast Products believes that it will continue to be able to secure raw
 materials from its suppliers at competitive prices. The primary energy sources
 for Advanced Cast Products' operations, electricity and natural gas, are
 purchased through utilities and competitive third party bidding.
    
 
   
    Although the prices of all raw materials used by Advanced Cast Products vary
 over time, the fluctuations in the price of steel scrap are the most
 significant to Advanced Cast Products. Advanced Cast Products has arrangements
 with most of its industrial customers which allow Advanced Cast Products to
 adjust industrial casting prices to reflect scrap price fluctuations.
    
 
  Competition
 
   
    Advanced Cast Products operates in the same industry as Neenah and therefore
 faces the same competitive environment as Neenah. See "-- Neenah Foundry
 Company -- Competition" and "Risk Factors -- Competition."
    
 
  Manufacturing Facilities
 
   
    Advanced Cast Products currently operates 3 facilities. Since 1989, Advanced
 Cast Products has spent over $14.0 million on capital equipment to expand
 production capacity, improve efficiency, add new production capabilities,
 replace equipment and improve the quality of its products. Advanced Cast
 Products investments have included, for example, state of the art Disamatic
 molding lines at both its Meadville and Belcher facilities and computer
 numerical controlled ("CNC") machining centers at Meadville. The new molding
 lines have increased capacity and reduced operating costs.
    
 
    In addition, new capital expenditures are underway for Meadville that
 include an autopour unit for its current Disamatic line, a larger Disamatic
 molding line for larger castings, a second austemper line, and additional CNC
 machines. Belcher's new capital expenditures also include an autopour unit in
 addition to a heat treat furnace. Peerless is adding a new CNC machining
 center.
 
  Employees
 
   
    Advanced Cast Products has approximately 90 salaried and approximately 370
 hourly employees represented by the United Steelworkers of America. The
 collective bargaining agreement for Belcher and Meadville expires in June 1999
 and in October 1999, respectively.
    
 
  Litigation
 
   
    Advanced Cast Products is involved in routine litigation incidental to its
 business. Such litigation is not, in the opinion of management, likely to have
 a material adverse effect on the financial condition or results of operation of
 Advanced Cast Products.
    
 
  Environmental Matters
 
   
    Advanced Cast Products is subject to environmental, health and safety laws
 comparable to those governing Neenah. See "-- Neenah Foundry
 Company -- Environmental Matters."
    
 
  Intellectual Property
 
   
    Meadville holds trademark rights on two advanced proprietary processes,
 Evapcast and CasTuf. Advanced Cast Products' Evapcast process utilizes a lost
 foam casting technique which produces near net shape castings. Evapcast
 eliminates or reduces the need for coring and machining resulting in
 significant cost savings to the customer. CasTuf is a process to produce a line
 of austempered ductile iron castings which have superior strength
 characteristics and are easier to cast than steel products, thus providing
 greater design freedom. Meadville is the only ductile iron casting company in
 North America with in-house austempering capabilities (CasTuf)
    
                                       42
<PAGE>   48
 
 and one of only two independent, ductile iron foundries with lost foam
 technology (EvapCast). Additionally, Meadville was one of the first foundry
 operations to provide completely finished parts through an integrated machining
 capability.
 
MERCER FORGE CORPORATION
 
  Overview
 
   
    On April 3, 1998, we acquired all the capital stock of Mercer Forge
 Corporation for $47.0 million in cash (excluding fees and expenses of $0.5
 million). Founded in 1954, Mercer is a leading producer of complex-shaped
 forged components for use in transportation, railroad, mining and heavy
 industrial applications. Mercer is also a leading producer of microalloy
 forgings. Mercer sells directly to OEMs, as well as to industrial end users.
    
 
    Until the mid-1980's, Mercer produced military tank parts, but successfully
 converted from a defense contractor to a commercial manufacturer and today is
 one of the leading suppliers to the heavy duty truck sector. Mercer produces
 approximately 500 individually forged components and has developed specialized
 expertise in forgings of microalloy steel which management estimates accounts
 for approximately 40% of its production.
 
  Products and Markets
 
    Mercer designs its products to customer specification with typical
 production runs of 1,000 or more units. Mercer currently operates eight
 mechanical press lines, from 1,300 tons to 4,000 tons. Mercer's principal plant
 is a 130,000 square foot facility located in Mercer, Pennsylvania. Key markets
 for Mercer include truck and automotive parts, railroad equipment and general
 industrial machinery.
 
    The following is a summary of Mercer's product capabilities, broken out by
 the principal customer categories it serves:
 
<TABLE>
<CAPTION>
 -----------------------------------------------------------------------------------------
          INDUSTRY                                      PRODUCTS
 -----------------------------------------------------------------------------------------
 <S>                           <C>
   Truck                       Drive Train Components; Sector Shafts; Knuckles, Spindles;
                               King Pins
 -----------------------------------------------------------------------------------------
   Automotive                  Transmission Gears; Hubs, Front Wheel Universal Components;
                               Drive Train Yokes; Spindles
 -----------------------------------------------------------------------------------------
   Mining Equipment            Shoes; Fight Bars; Gear Blanks; Hubs; Sleeves
 -----------------------------------------------------------------------------------------
   Railroad                    Wheels; Draft Gear Components; Tank Car Valves; Piston
                               Carries; Articulated Car Bearings; Connecting Rods
 -----------------------------------------------------------------------------------------
   Off-Highway/ Agriculture    Yokes; Spindles; Flanges; Gear Blanks; Hubs; Track Links;
                               Roller Shafts; Drive Line Components
 -----------------------------------------------------------------------------------------
   Industrial                  Gears; Bearings; Wheels; Cams
 -----------------------------------------------------------------------------------------
   Military Ordinance          Projectile Components; Missile Components; Center Guides;
                               End Connectors; Tank Track Components
 -----------------------------------------------------------------------------------------
</TABLE>
 
  The Forged Components Market
 
    Demand for forged products for civilian application closely follows the
 general business cycle and the level demand for capital goods. While there is a
 consistent base level of demand for replacement parts which is somewhat
 inelastic, the strongest expansions in the forging industry coincide with
 periods of economic growth. With generally improved economic conditions and a
 
                                       43
<PAGE>   49
 
 boom in the transportation sector, Mercer and most other domestic forgers are
 currently experiencing growing demand for their products.
 
  The Forging Process -- Description and Benefits
 
     Manufacturing Process
 
       Forgings and casting (together with a third process, fabrication) are the
 principal commercial metal working processes. In forging metal is pressed,
 pounded or squeezed under great pressure, with or without the use of heat, into
 parts that retain the metal's original grain flow, imparting high strength,
 ductility and resistance properties.
 
       Forging itself usually entails one of four principal process: impression
 die; open die; cold; and seamless rolled ring forging. Mercer uses impression
 die, open die and cold forging, but not seamless rolled ring forging.
 Impression die forging, commonly referred to as "closed die" forging, is the
 principal process employed by Mercer, and involves bringing two or more dies
 containing "impressions" of the part shape together under extreme pressure,
 causing the forging stock to undergo plastic reformation. Because the metal
 flow is restricted by die containers, this process can yield more complex
 shapes and closer tolerances than the "open die" forging process. Impression
 die forging is used to produce products such as military and off-highway track
 and drive train parts; automotive and truck drive train and suspension parts;
 railroad engine, coupling and suspension parts; military ordinance parts and
 other items where close tolerances are required.
 
       Open die forging, so called because the metal is not confined laterally
 by impression dies during forging, progressively works the starting stock into
 the desired shape, generally between flat faced dies. Open die forging allows
 production of a broad range of shapes and sizes.
 
       Similar in method to impression die forging, cold forging is a process in
 which a chemically-lubricated bar slug is forced into a closed die under
 extreme pressure. In this way, unheated metal flows into the desired shape. The
 cold forging process is best used to manufacture smaller, cylindrical pats such
 as shafts, spindles and small net gears.
 
       Once a rough forging is produced, regardless of the forging process, it
 must generally still be machined. This process, known as "finishing" or
 "conversion", smooths the component's exterior and mating surfaces and adds any
 required specification, such as groves, threads, bolt holes and brand name
 markings. The finishing process can contribute significantly to the value of
 the end product, in particular in certain custom situations where high value
 specialized machining is required. Machining can be performed either in-house
 by the forge, by a machine shop which performs this process exclusively or by
 the end-user.
 
       An internal staff of five engineers designs products to meet customer
 specifications incorporating computer assisted design (CAD) work stations for
 tooling design. Because its forged products are inherently less expensive and
 stronger, Mercer has been successful in replacing certain cast parts previously
 supplied by third party foundries. Management believes that Mercer is an
 industry leader in forging techniques using microalloy steel which produces
 parts which are lighter and stronger than those forged from conventional carbon
 steel.
 
  Customers
 
    Mercer's in-house sales organization sells direct to end users and OEMs. A
 key element of Mercer's sales strategy is its ability to develop strong
 customer relationships through responsive engineering capability, dependable
 quality and just-in-time performance.
 
                                       44
<PAGE>   50
 
  Raw Materials and Distribution
 
    The principal raw materials used in Mercer's products are carbon and
 microalloy steel. Mercer purchases substantially all of its carbon steel from
 four principal sources. Mercer typically maintains 30 to 60 days supply on
 hand. Mercer buys approximately 40,000 tons of raw steel per year. While Mercer
 has never suffered an interruption of materials supply, management believes
 that, in the event of any disruption from any individual source, adequate
 alternative sources of supply are available within the immediate vicinity
 although there can be no assurance in this regard.
 
  Competition
 
    Mercer competes primarily in a highly fragmented industry which includes
 several dozen other press forgers and hammer forge shops. Hammer shops cannot
 typically match press forgers' high volume, single component manufacturing, or
 close tolerance production. Competition in the forging industry has also
 historically been determined both by product and geography, with a large number
 of relatively small forgers across the country carving out their own product
 and customer niches. In addition, most end users manufacture some forgings
 themselves, often maintaining a critical minimum level of production in-house
 and contracting out the balance. The primary basis of competition in the
 forging industry is price, but engineering, quality and dependability are also
 important, particularly with respect to building and maintaining customer
 relationships. Some of Mercer's competitors have significantly greater
 resources than Mercer. There can be no assurance that Mercer will be able to
 maintain or improve its competitive position in the markets in which it
 competes.
 
    Mercer is not aware of any significant offshore competition within its
 current product categories. Due to the importance of customer relationships and
 engineering capabilities, most foreign producers are unable to compete.
 
  Manufacturing Facilities
 
    Mercer is located in northwest Pennsylvania, about 60 miles north and west
 of the Greater Pittsburgh airport. Mercer owns it principal forging facility,
 which occupies a twenty-one acre site, and consists of a 130,000 square foot
 manufacturing facility (which was partially rebuilt and expanded by 50,000
 square feet in 1989) and an adjacent office complex. Mercer also leases an
 18,000 square foot machine shop facility located in Sharon, Pennsylvania,
 approximately ten miles from Mercer's headquarters.
 
    Mercer's main plant is able to forge complex components in runs from 500 to
 more than 10,000 units. Mercer manufactures approximately 500 individual
 products (SKUs) of which approximately half run throughout the production year.
 Heating capacity is 59,000 pounds per hour through eight induction heaters.
 Mercer's existing equipment can handle forging weights from 3 to 100 pounds and
 forging diameters ranging from 2 1/2 inches to 13 inches. Shear/saw production
 can handle up to 6 inch diameter billets.
 
    Mercer presently operates eight press lines consisting of one 4,000 ton, two
 3,000 ton, two 2,000 ton and three 1,300 ton press lines. This equipment
 includes two new press lines including heating equipment, trim presses and
 billet loaders. The plant uses four microalloy conveyors. Mercer is also
 equipped with saws and shearers to cut billets from round and square steel
 bars. Mercer maintains a fully equipped quality control facility, magniflux
 machine, shot cleaning equipment, complete die welding facility and die repair
 machine shop.
 
  Backlog
 
    Forging backlog at December 31, 1998 is approximately 16.4 million, based on
 firm orders from existing customers. Even though Mercer is the sole supplier of
 certain specific components to
 
                                       45
<PAGE>   51
 
 several of its key accounts, Mercer does not book backlog until customer
 release dates are received. Mercer ships most orders within 30 days of
 manufacture.
 
  Employees
 
    Mercer currently has 155 full time hourly employees, all of whom are
 represented by a collective bargaining agreement with United Steel Workers of
 America. One such contract runs through March 31, 1999. In addition, Mercer's
 machining operation has a nine year contract with the United Steel Workers of
 America which expires in 2004. Management believes labor relations are good.
 Mercer also occasionally utilizes an outside temporary service in its packing
 operation.
 
  Litigation
 
    Mercer is involved in routine litigation incidental to its business. Such
 litigation is not, in the opinion of management, likely to have a material
 adverse effect on the financial condition or results of operation of Mercer.
 
  Environmental Matters
 
   
    Mercer is subject to environmental, health and safety laws comparable to
 those governing Neenah. See "-- Neenah Foundry Company -- Environmental
 Matters."
    
 
DEETER FOUNDRY, INC.
 
  Overview
 
   
    On March 30, 1998, we acquired the capital stock of Deeter Foundry, Inc. for
 $24.3 million (excluding fees and expenses of $0.3 million), consisting of
 $20.4 million of cash and a $3.9 million seller note. ACP Holding Company, the
 parent company of our parent company, NFC Castings, Inc., issued the $3.9
 million seller note to Deeter's selling shareholders. The seller note does not
 bear interest and matures on March 30, 1999. Payment of the principal amount of
 the seller note is supported by a letter of credit issued under our senior debt
 instruments. We financed the cash portion of the purchase price and all fees
 and expenses from cash on hand.
    
 
   
    Since 1945, Deeter has been producing gray iron castings for the heavy
 municipal market. Deeter's municipal casting product line includes manhole
 frames and covers, storm sewer inlet frames, grates and curbs, trench grating
 and tree grates. Deeter also produces a wide variety of special application
 construction castings. These products are utilized in waste treatment plants,
 airports, telephone and electrical construction projects. Deeter's centralized
 location in Lincoln, Nebraska allows it to service the majority of its
 geographical market area with overnight delivery. In addition, Deeter maintains
 2 stockyards located in the midwest and western U.S.
    
 
  Customers
 
   
    Deeter serves the same customer and market base as Neenah's heavy municipal
 line. See "-- Neenah Foundry Company -- Products, Customers and Markets."
    
 
  Raw Materials
 
    The primary raw materials used by Deeter to manufacture iron castings are
 steel scrap, pig iron, metallurgical coke and silica sand. While there are
 multiple suppliers for each of these commodities, Deeter has sourcing
 arrangements with its suppliers of each of these major raw materials, with the
 exception of pig iron. Due to long standing relationships with each of its
 suppliers, Deeter believes that it will continue to be able to secure raw
 materials from its suppliers at competitive prices. The primary energy sources
 for Deeter's operations, electricity and natural gas, are purchased through
 utilities.
 
                                       46
<PAGE>   52
 
   
    Although the prices of all raw materials used by Deeter vary, the
 fluctuations in the price of steel scrap are the most significant to Deeter.
 Deeter builds to stock based on forecast sales during any given period and
 generally does not have any long term customer contracts. As a result, in
 periods of rapidly rising or falling scrap prices, prices charged to customers
 will relatively quickly reflect the current scrap price. Rapidly fluctuating
 scrap prices may have a temporary adverse or positive effect on Deeter's
 results of operations.
    
 
  Competition
 
   
    Deeter operates in the same industry as Neenah and therefore faces the same
 competitive environment as Neenah. See "-- Neenah Foundry
 Company -- Competition" and "Risk Factors -- Competition."
    
 
  Manufacturing Facilities
 
   
    Deeter is located on an 18 acre site in Lincoln, Nebraska with 71,000 square
 feet of manufacturing area. Deeter operates three green sand molding lines with
 a current annual capacity of 20,000 net saleable tons. Deeter maintains
 stockyards located in Denver, Colorado and their primary distribution yard is
 located on site in Lincoln, Nebraska.
    
 
  Employees
 
    At September 30, 1998 Deeter had 97 full time hourly employees and 25
 salaried employees. The workers are non-union and Deeter believes its relations
 with its employees are good.
 
  Litigation
 
    Deeter is involved in routine litigation incidental to its business. Such
 litigation is not, in the opinion of management, likely to have a material
 adverse effect on the financial condition or results of operation of Deeter.
 
  Environmental Matters
 
   
    Deeter is subject to environmental, health and safety laws comparable to
 those governing Neenah. See "-- Neenah Foundry Company -- Environmental
 Matters."
    
 
   
    On May 30, 1997, prior to Neenah's acquisition of Deeter, Deeter pleaded
 guilty to disposing of hazardous waste without a permit and agreed to pay a
 fine of $500,000, perform (by its president, Douglas E. Deeter) 300 hours of
 community service and provide certain information regarding its waste handling
 and disposal practices. Management believes that Deeter has complied and that
 the matter will result in no further liabilities.
    
 
CAST ALLOYS, INC.
 
  Overview
 
   
    On December 31, 1998, we acquired Niemin Porter & Co., which conducts its
 business under the name Cast Alloys, Inc., and its subsidiary, International
 Golf, S.A. de C.V., a corporation organized under the laws of the United
 Mexican States, for $42.0 million in cash, subject to a post-closing
 adjustment. We financed the acquisition of Cast Alloys from a portion of the
 proceeds we received from issuance of the old notes.
    
 
   
    Cast Alloys' principal business is the manufacture of investment-cast
 titanium and stainless steel golf club heads. Cast Alloys operates out of three
 principal facilities in Chatsworth, California, Carlsbad, California and
 Northridge, California. Cast Alloys' wholly owned subsidiary, International
 Golf, operates as a cost center for Cast Alloys and is also principally
 involved in the manufacture of investment-cast titanium and stainless steel
 golf club heads. International Golf operates out of
    
 
                                       47
<PAGE>   53
 
 three facilities located in Tijuana, Baja California, Mexico. Cast Alloys is
 operated as our wholly owned subsidiary under the direction of our management.
 
  Customers
 
   
    Cast Alloys presently sells almost all of its products to Callaway Golf.
 Sales for the trailing twelve months ended September 30, 1998 were $68.7
 million, of which $63.0 million, or 91%, was sold to Callaway. Taylor Made was
 second on the customer list with $2.4 million in sales or 4%. The remaining 5%
 was made up of other smaller customers such as Wilson Sporting Goods.
    
 
  Raw Materials
 
   
    Raw materials include titanium ingot, revert titanium, stainless steel, and
 other foundry and polishing materials. Cast Alloys has contractual arrangements
 for the purchase of titanium ingot from foreign sources that cover their
 requirements at competitive prices.
    
 
  Competition
 
   
    Cast Alloy's main competitors include Coastcast Corporation, the primary
 supplier of clubs to Taylor Made, Sturm Ruger, Inc., a titanium ammunition
 manufacturer, and Selmet, Inc.
    
 
  Manufacturing Facilities
 
   
    Cast Alloys manufactures steel and titanium golf club heads for major golf
 club manufacturers. Cast Alloy's golf clubs are produced in four facilities.
 Steel clubs are cast and polished in separate facilities in Tijuana, Mexico. In
 1996 and 1997, Cast Alloys installed three "arc melting" furnaces and four
 "cold wall" furnaces in its Northridge, California foundry for the production
 of titanium golf club heads. "Arc melting" furnaces have the ability to melt
 titanium in an ingot form while "cold wall" furnaces have the ability to melt
 titanium in various forms, such that Cast Alloys is able to recycle by melting
 scrap titanium pieces, resulting in significantly lower unit production costs.
    
 
  Employees
 
   
    Cast Alloys employed approximately 2,158 people as of September 30, 1998. Of
 these, approximately 1,960 are employed at Cast Alloy's Mexican facilities.
    
 
  Litigation
 
    Cast Alloys is involved in routine litigation incidental to its business.
 Such litigation is not, in the opinion of management, likely to have a material
 adverse effect on the financial condition or results of operation of Cast
 Alloys.
 
  Environmental Matters
 
   
    Cast Alloys is subject to environmental, health and safety laws comparable
 to those governing Neenah. See "-- Neenah Foundry Company -- Environmental
 Matters."
    
 
                                       48
<PAGE>   54
 
                                   MANAGEMENT
 
   
     The following table identifies members of the Board of Directors, key
executive officers and certain other key employees of Neenah.
    
 
   
<TABLE>
<CAPTION>
              NAME                 AGE                         POSITION
              ----                 ---                         --------
<S>                                <C>    <C>
James K. Hildebrand..............   62    Chairman of the Board and Chief Executive Officer
William M. Barrett...............   52    President
Gary W. LaChey...................   53    Vice President -- Finance, Treasurer and Secretary
Charles M. Kurtti................   62    Vice President -- Manufacturing and Engineering
John Z. Rader....................   50    Vice President -- Human Resources
William J. Martin................   51    Vice President -- Hartley Controls Corporation
Timothy J. Koller................   49    Vice President -- Construction Products, Sales,
                                          and Engineering
Frank C. Headington..............   50    Director -- Product Reliability
David F. Thomas..................   49    Director
John D. Weber....................   34    Director
Brenton F. Halsey................   72    Director
</TABLE>
    
 
   
     Mr. Hildebrand is Chairman of the Board and Chief Executive Officer of
Neenah. Mr. Hildebrand has been President and Chief Executive Officer of
Advanced Cast Products, Inc. since 1988, and will continue in that position for
the foreseeable future. Previously, he served as President of the Cast Products
Group of Amcast Industrial Corp. Mr. Hildebrand is also employed by ACP
Holdings. See "Certain Relationships and Related Transactions."
    
 
   
     Mr. Barrett is President of Neenah. Mr. Barrett joined Neenah in 1992 and
has served as Vice President and General Manager and General Sales
Manager -- Industrial Castings. From 1985 to 1992, Mr. Barrett was the Vice
President -- Sales for Harvard Industries Cast Products Group.
    
 
   
     Mr. LaChey is Vice President -- Finance, Treasurer and Secretary of Neenah.
Mr. LaChey joined Neenah in 1971, serving in a variety of positions of
increasing responsibility in the finance department.
    
 
   
     Mr. Kurtti is Vice President -- Manufacturing and Engineering, a position
he has held since 1991. Mr. Kurtti joined Neenah in 1976 as a salesman. Mr.
Kurtti has served as Director of Marketing, Director of
Purchasing -- Engineering and Director -- Manufacturing and Engineering.
    
 
   
     Mr. Rader is Vice President -- Human Resources, a position he has held
since 1990. Mr. Rader joined Neenah in 1987, serving as Director -- Personnel
until 1989 and as Director -- Human Resources until 1990.
    
 
   
     Mr. Martin is Vice President -- Hartley Controls Corporation, a wholly
owned subsidiary of Neenah, a position he has held since 1996. Previously, Mr.
Martin was Territory Sales Manager at Disamatic, Inc., a molding machine
manufacturer, from 1986 to 1996.
    
 
   
     Mr. Koller is Vice President -- Construction Products, Sales and
Engineering for Neenah. Mr. Koller joined Neenah in 1978, serving in a variety
of positions of increasing responsibility in the sales and marketing
departments.
    
 
   
     Mr. Headington is Director -- Product Reliability, a position he has held
since 1991. Mr. Headington joined Neenah in 1989 as Manager -- Technical
Services, a position he held until 1991.
    
 
   
     Mr. Thomas is a director of Neenah. Mr. Thomas has been a Managing Director
of Citicorp Venture Capital, Ltd. for over five years. Mr. Thomas is a director
of Lifestyle Furnishings International Ltd., Galey & Lord, Inc., Anvil Knitwear,
Inc., Plainwell, Inc., Stage Stores, Inc. and American Commercial Lines LLC.
    
 
                                       49
<PAGE>   55
 
   
     Mr. Weber is a director of Neenah. Mr. Weber has been a Vice President at
CVC since 1994. Previously, Mr. Weber worked at Putnam Investments from 1992
through 1994. Mr. Weber is a director of Anvil Knitwear, Inc., Electrocal
Designs, Inc., FFC Holding, Inc., Graphic Design Technologies, Marine Optical,
Inc., Gerber Childrenswear, Inc., Plainwell Paper Company, Sleepmaster, LLC, and
Smith Alarm.
    
 
   
     Mr. Halsey is a director of Neenah. Mr. Halsey was the founding Chief
Executive Officer and Chairman of the James River Corporation from 1969 to 1990.
He continued as Chairman until 1992 when he became Chairman Emeritus.
    
 
COMPENSATION OF DIRECTORS
 
   
     Directors of Neenah who are officers or employees of Neenah or its
affiliates are presently not expected to receive compensation for their services
as directors. No determination has yet been made with respect to compensation
for directors of Neenah who are not officers or employees of Neenah or any of
its affiliates. Directors of Neenah will be entitled to reimbursement of their
reasonable out-of-pocket expenses in connection with their travel to and
attendance at meetings of the board of directors or committee meetings of the
board of directors.
    
 
COMPENSATION OF EXECUTIVE OFFICERS
 
   
     The compensation of executive officers of Neenah will be determined by the
Board of Directors of Neenah. None of the historical benefit or compensation
plans of Neenah are described in this prospectus because each were terminated
with respect to the named officers and replaced as a group by a single
compensation plan in connection with the merger (with the exception of a 401(k)
plan and a retirement plan for Mr. Kurtti). The following table sets forth
information concerning compensation received by the five most highly compensated
officers of Neenah for services rendered in the fiscal year ended September 30,
1998, the five month period ended September 30, 1997 ("FM 1997"), the one month
period ended April 30, 1997 ("OM 1997") and the fiscal year ended March 31,
1997.
    
 
                                       50
<PAGE>   56
 
                           SUMMARY COMPENSATION TABLE
 
<TABLE>
<CAPTION>
                                                                                            LONG-TERM
                                              ANNUAL                                      COMPENSATION
                                           COMPENSATION                        -----------------------------------
                              FISCAL    ------------------    OTHER ANNUAL     OPTIONS/      LTIP      ALL OTHER
NAME AND PRINCIPAL POSITION    YEAR      SALARY     BONUS    COMPENSATION(1)    SARS(#)    PAYOUTS    COMPENSATION
- ---------------------------  ---------  --------   -------   ---------------   ---------   --------   ------------
<S>                          <C>  <C>   <C>        <C>       <C>               <C>         <C>        <C>
James K. Hildebrand               1998  $120,000   $84,000       $34,107             --          --           --
  Chairman of the Board      FM   1997    50,000        --        10,860
  and Chief Executive        OM   1997        --        --            --
  Officer                         1997        --        --            --
 
William M. Barrett                1998  $148,500   $85,575       $31,490             --          --           --
  President                  FM   1997    55,000        --        11,430
                             OM   1997     8,225        --         1,936
                                  1997    98,700    20,000        26,030
 
Gary W. LaChey                    1998  $145,345   $86,980       $31,469             --          --           --
  Vice President --          FM   1997    59,175        --        10,723
  Finance, Treasurer         OM   1997    11,833        --         2,081
  and Secretary                   1997   137,998    40,000        26,984
 
Charles M. Kurtti                 1998  $137,500   $80,850       $34,510             --          --           --
  Vice President --          FM   1997    55,000        --        11,430
  Manufacturing              OM   1997    11,000        --         2,229
  and Engineering                 1997   127,750    45,000        32,230
 
John Z. Rader                     1998  $137,000   $80,850       $31,303             --          --           --
  Vice President --          FM   1997    55,000        --        11,430
  Human Resources            OM   1997    11,000        --         2,229
                                  1997   127,750    40,000        29,725
</TABLE>
 
- ---------------
   
(1) The named officers have participated in Neenah's profit sharing, Neenah
    401(k) contributions, and excess benefit programs. The aggregate payments
    made by Neenah under such programs are listed as Other Annual Compensation.
    
 
EMPLOYMENT AGREEMENTS
 
   
     Prior to the merger, our predecessor company entered into a consulting
agreement with James P. Keating, Jr. a former Senior Vice President of Neenah,
that provides that Mr. Keating will be available to serve as a consultant to
Neenah from July 1, 1997 to June 30, 1999. Neenah, Advanced Cast Products, Inc.,
ACP Holdings and ACP Products L.L.C. entered into an executive employment and
consulting agreement with James K. Hildebrand dated as of September 15, 1998.
Such agreement provides for:
    
 
   
     (1) an initial term of employment until September 30, 2001 after which,
         barring termination by Neenah under certain circumstances (including
         gross negligence, wilful misconduct and commission of certain crimes),
         Mr. Hildebrand will serve as a consultant to Neenah for a period of two
         years with automatic renewal, subject to earlier termination notice by
         either party, for successive one year periods up to an additional three
         years;
    
 
   
     (2) a minimum base salary of $500,000 and a bonus to be calculated based on
         achieved EBITDA performance so long as Mr. Hildebrand is employed by
         Neenah;
    
 
   
     (3) severance benefits;
    
 
   
     (4) non-competition, non-solicitation and confidentiality agreements;
    
 
   
     (5) an option to purchase certain common membership units of ACP Products
         L.L.C.; and
    
 
   
     (6) other terms and conditions of Mr. Hildebrand's employment including
         health benefits. In addition, in connection with Neenah's acquisition
         of all of the capital stock of Dalton, Dalton
    
 
                                       51
<PAGE>   57
 
         entered into an employment agreement with K.L. Davidson dated as of
         September 8, 1998 to serve as President of Dalton.
 
   
     Such agreement provides for:
    
 
   
     (1) an initial one year term which shall be renewed automatically, subject
         to earlier termination notice by either party, for successive one year
         terms until Mr. Davidson attains the age of 65;
    
 
   
     (2) a minimum base salary and bonus following the end of each fiscal year
         so long as Dalton employs Mr. Davidson;
    
 
   
     (3) severance benefits;
    
 
   
     (4) non-solicitation, non-compete and confidentiality agreements; and
    
 
   
     (5) other terms and conditions of Mr. Davidson's employment.
    
 
MANAGEMENT INCENTIVE PLAN
 
   
     Neenah provides performance-based compensation awards to executive officers
and key employees for achievement during each year as part of a bonus plan. Such
compensation awards may be a function of individual performance and consolidated
corporate results. The qualitative and quantitative criteria will be determined
from time to time by the Board of Directors of Neenah.
    
 
MANAGEMENT EQUITY PARTICIPATION
 
   
     In connection with the merger, the then current Management Investors
acquired units representing membership interests in ACP Products, L.L.C., which
represent, in the aggregate, approximately a ten percent beneficial interest in
Neenah (the "Purchased Interests"). In addition, in connection with certain of
the recent acquisitions, certain senior managers of certain of the recently
acquired subsidiaries purchased common interests in ACP Products, L.L.C. The
Management Investors and certain other employees of Neenah may be given the
opportunity to purchase additional Purchased Interests either in connection with
future acquisitions or otherwise.
    
 
   
     Upon the termination of employment with Neenah, an employee's Purchased
Interests will be subject to certain repurchase provisions exercisable by ACP
Products, L.L.C. or its designees. Any Purchased Interests issued in the future
are expected to be subject to rights and restrictions similar to those of the
Purchased Interests purchased in connection with the merger. The price of the
future Purchased Interests will be established by ACP Products, L.L.C. in
consultation with the board of directors or a compensation committee of Neenah.
    
 
                                       52
<PAGE>   58
 
                            OWNERSHIP OF SECURITIES
 
   
     Neenah's authorized capital stock consists of 11,000 shares of common
stock, par value $100 per share (the "Common Stock"), 1,000 shares of which are
issued and outstanding and owned by Neenah's parent and are pledged to the
lenders under the senior bank facilities.
    
 
   
     Neenah's parent's authorized capital stock consists of 1,000 shares of
Common Stock, par value $.01 per share ("Neenah's Parent's Common Stock"), of
which 1,000 shares are issued and outstanding and 44,000 shares of 12%
cumulative redeemable preferred stock, par value $.01 per share ("Neenah's
Parent's Preferred Stock") of which 44,000 shares are issued and outstanding.
    
 
   
     Dividends accrue on Neenah's Parent's Preferred Stock at a rate of 12% per
annum and accumulate and compound on a quarterly basis. Neenah's Parent's
Preferred Stock ranks prior to the Neenah's Parent's Common Stock upon
liquidation and in respect of dividends and redemption. The vote of 66% of the
holders of the Neenah's Parent's Preferred Stock, voting as a separate class is
required to
    
 
   
     (1) cause Neenah's parent to direct its subsidiaries to make distributions
         sufficient to enable Neenah's parent to pay dividends on the Neenah's
         Parent's Preferred Stock and
    
 
   
     (2) cause the redemption of the Neenah's Parent's Preferred Stock upon the
         occurrence of certain events. Except as described in the foregoing, or
         as otherwise required by law, the Neenah's Parent's Preferred Stock is
         not entitled to the right to vote. The Neenah's Parent's Preferred
         Stock is subject to mandatory redemption two years after the maturity
         of the notes. Upon redemption, a holder of Neenah's Parent's Preferred
         Stock is entitled to receive for each share of Neenah's Parent's
         Preferred Stock redeemed its per share liquidation value plus accrued
         and unpaid dividends.
    
 
   
     The table below sets forth certain information regarding the equity
ownership of Neenah's parent by each person or entity who owns five percent or
more of any class of voting capital stock as of June 30, 1998.
    
 
<TABLE>
<CAPTION>
                                                          PERCENTAGE OF    PERCENTAGE OF
                                                            PREFERRED         COMMON
          NAME AND ADDRESS OF BENEFICIAL OWNER                STOCK            STOCK
          ------------------------------------            -------------    -------------
<S>                                                       <C>              <C>
ACP Holding Company.....................................      100%             100%
  525 Metro Place North, Suite 330
  Dublin, Ohio 43017
</TABLE>
 
   
     ACP Holding Company is an affiliate of Citicorp Venture Capital, Ltd., and
a wholly-owned subsidiary of ACP Products, L.L.C. The relationship of these
entities is further described in the section entitled "Certain Relationships and
Related Transactions." The Management Investors have, through an investment in
ACP Products, L.L.C., an approximately ten percent beneficial interest in
Neenah, as outlined in the section entitled "Management" under the subheading
"Management Equity Participation."
    
 
                 CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS
 
RELATIONSHIP WITH ACP HOLDING COMPANY
 
   
     ACP Products, L.L.C. holds all of the issued and outstanding shares of
capital stock of ACP Holdings. ACP Holdings is the parent company of Holdings,
and thus indirectly owns 100% of the Common Stock of Neenah. James K.
Hildebrand, who serves as the Chairman of the Board and Chief Executive Officer
of Neenah, currently serves as President and Chief Executive Officer of ACP
Holdings. Mr. Hildebrand held such positions prior to the contribution of the
capital stock of ACP to Neenah and received payment for such services.
    
 
                                       53
<PAGE>   59
 
SHAREHOLDER RELATIONSHIPS
 
   
     The Management Investors and certain institutional investors, including
Citicorp Venture Capital, Ltd., are parties to the Fifth Amended and Restated
Limited Liability Agreement (the "L.L.C. Agreement"). The L.L.C. Agreement
contains certain provisions with respect to the beneficial equity interests and
corporate governance of Neenah. The L.L.C. Agreement provides that the Investor
Group and the Management Investors, as the only members of ACP Products, L.L.C.
holding beneficial interests in Neenah, have the right to direct all actions
taken in respect of Neenah's parent and Neenah, including, without limitation,
appointing members of the Board of Directors of Neenah and of Neenah's parent.
    
 
   
CONTRIBUTION OF ADVANCED CAST PRODUCTS CAPITAL STOCK
    
 
   
     On September 8, 1998, the capital stock of Advanced Cast Products was
contributed to Neenah by ACP Holdings. In connection with the contribution,
Neenah assumed $14.9 million of indebtedness of Advanced Cast Products, $14.6 of
which was refinanced through borrowings of tranche A loans. In connection with
the contribution of the capital stock of Advanced Cast Products to Neenah,
    
 
   
     (1) Neenah's parent issued a $4.2 million senior subordinated note to CVC
         in exchange for a $4.2 million current pay obligation of Advanced Cast
         Products to CVC and
    
 
   
     (2) $6.7 million of outstanding subordinated debt of Advanced Cast Products
         to ACP Holdings and Neenah's parent was contributed to the capital of
         Advanced Cast Products.
    
 
REGISTRATION RIGHTS AGREEMENT
 
   
     Neenah entered into a registration rights agreement with the Investor Group
and the Management Investors. In accordance with the terms of the registration
rights agreement, certain holders of Neenah's Common Stock have the right to
require Neenah, at Neenah's sole cost and expense and subject to certain
limitations, to register under the Securities Act or list on any recognized
stock exchange all or part of the Common Stock beneficially owned by such
holders (the "Registrable Securities"). All such holders will be entitled to
participate in all registrations by Neenah or other holders, subject to certain
limitations. In connection with all such registrations, Neenah agreed to
indemnify all beneficial owners of Registrable Securities against certain
liabilities, including liabilities under the Securities Act and other applicable
state or foreign securities laws. Registrations pursuant to the registration
rights agreement will be made, if applicable, on the appropriate registration
form and may be underwritten registrations.
    
 
   
                     DESCRIPTION OF SENIOR BANK FACILITIES
    
 
   
     The following is a summary of the material terms of the credit agreement,
dated April 30, 1997, as amended and restated as of September 12, 1997, April 3,
1998 and September 8, 1998, and as amended as of November 18, 1998, among
Neenah, NFC Castings, Inc., The Chase Manhattan Bank, as administrative agent
and collateral agent, and the lenders named therein. The senior bank facilities
consist of
    
 
   
     (1) term loan facilities in an aggregate principal amount of $145.0
         million,
    
 
   
     (2) an acquisition loan facility in an aggregate principal amount of up to
         $50.0 million and
    
 
   
     (3) a revolving loan facility in an aggregate principal amount of up to
         $50.0 million.
    
 
   
     The following summary outlines basic terms of the senior bank facilities.
For a more complete understanding of the senior bank facilities, we encourage
you to read the credit agreement, copies of which will be made available upon
request.
    
 
                                       54
<PAGE>   60
 
THE FACILITIES
 
   
  Term Loan Facilities
    
 
   
     The term loan facilities consist of two tranches of term loans. The tranche
A term loans were made available on April 3, 1998 and were borrowed in a single
drawing of $20.0 million on September 8, 1998 in connection with the acquisition
of Dalton and Advanced Cost Products. The tranche B term loans were originally
made in a single drawing of $55.0 million on April 3, 1998, of which $55.0
million was outstanding at June 30, 1998.
    
 
   
     On September 8, 1998, the lenders and the agent agreed to commit to make
additional tranche B term loans in an aggregate principal amount of $70.0
million, which was fully drawn by Neenah on that date. The tranche A loans
mature on September 30, 2003 and the tranche B loans mature on September 30,
2005. Installments of the tranche A loans are due in aggregate principal amounts
of
    
 
   
     - $0.75 million per quarter until September 30, 1999,
    
 
   
     - $1.0 million per quarter from December 31, 1999 until September 30, 2002
       and
    
 
   
     - $1.25 million per quarter thereafter until maturity.
    
 
   
Installments of the initial tranche B term loans are due in aggregate principal
amounts of
    
 
   
     - $0.25 million per quarter until September 30, 2003 and
    
 
   
     - $6.25 million per quarter thereafter until maturity.
    
 
   
Installments of the additional tranche B loans are due in aggregate principal
amounts of $8.75 million per quarter commencing on December 31, 2003 and
continuing thereafter until maturity.
    
 
   
  Acquisition Loan Facility
    
 
   
     The lenders and the agent have agreed to provide loans under the
acquisition loan facility from time to time to Neenah in connection with
permitted acquisitions under the credit agreement in an aggregate principal
amount at any time outstanding not to exceed $50.0 million. Prior to September
8, 2000, the date on which the acquisition loan facility terminates, loans under
the acquisition loan facility may be paid and reborrowed.
    
 
   
     On September 8, 1998, Neenah borrowed $29.0 million under the acquisition
loan facility to acquire Dalton. Future acquisition loans may be drawn until
September 8, 2000 with all amounts drawn maturing on June 30, 2004.
    
 
   
     Installments of acquisition loans outstanding on September 8, 2000 will be
repaid quarterly beginning on such date until maturity. The aggregate principal
amount due quarterly on and after the termination of the acquisition loan
facility is calculated by multiplying the principal amount outstanding, together
with accrued but unpaid interest, on September 8, 2000 by 6.25%.
    
 
   
  Revolving Credit Facility
    
 
   
     The revolving credit facility consists of a revolving loan facility in an
aggregate principal amount of $50.0 million. Neenah is entitled to draw amounts
under the revolving credit facility for general corporate purposes, including
permitted acquisitions. The revolving credit facility includes a $15.0 million
sub-limit for letters of credit available on same-day notice. The revolving
credit facility will mature on April 30, 2002.
    
 
                                       55
<PAGE>   61
 
   
  Availability
    
   
    
 
   
     Availability of new drawings under the acquisition loan facility and the
revolving credit facility is subject to various conditions precedent typical of
bank facilities of this type including, among other things
    
 
   
     - the absence of any material adverse condition or material adverse change
       in or affecting the business,
    
 
   
     - property,
    
 
   
     - assets,
    
 
   
     - nature of assets,
    
 
   
     - liabilities or condition of Neenah and
    
 
   
     - no event of default having occurred and being continuing.
    
 
   
     Acquisition loans may be drawn until September 8, 2000 and the revolving
credit facility may be borrowed, repaid and reborrowed until April 30, 2002.
    
 
INTEREST
 
   
     Interest on borrowings under the senior bank facilities accrues quarterly
with reference to the base rate plus the applicable interest margin. However
Neenah may elect that all or a portion of the borrowings under the facility bear
interest at the Adjusted LIBO Rate plus the applicable interest margin. The base
rate is defined as the higher of
    
 
   
     (1) the certificate of deposit rate as published by the Federal Reserve
         Bank of New York, plus 1%,
    
 
   
     (2) the Prime Rate, as defined in the senior bank facilities, in effect on
         such day and
    
 
   
     (3) the federal funds rate in effect on such date, plus  1/2%. The Adjusted
         LIBO Rate is defined as the rate at which eurodollar deposits for one,
         two, three or six months are quoted in the interbank eurodollar market,
         as adjusted to reflect statutory reserve requirements to which any
         lender is subject.
    
 
   
     The senior bank facilities contain provisions under which commitment fees
and interest rates are adjusted in increments based on the ratio of consolidated
net debt to consolidated EBITDA in effect from time to time. Subject to certain
exceptions, for Adjusted LIBO Rate
    
 
   
     (a) the applicable interest margin for tranche A loans, loans under the
         revolving credit facility and the acquisition loans and
    
 
   
     (b) the applicable interest margin for the initial tranche B loans and the
         additional tranche B loans are, in the case of this leverage ratio
    
 
   
        (1) greater than or equal to 4.5:1.0, 2.50% and 2.75%, respectively,
    
 
   
        (2) greater than or equal to 4.0:1.0 but less than 4.5:1.0, 2.25% and
            2.50%, respectively,
    
 
   
        (3) greater than or equal to 3.5:1.0 but less than 4.0:1.0, 2.00% and
            2.25%, respectively,
    
 
   
        (4) greater than or equal to 3.0:1.0 but less than 3.5:1.0, 1.75% and
            2.00%, respectively and
    
 
   
        (5) less than 3.0:1.0, 1.50% and 2.00%, respectively, with the
            applicable interest margin for base rate loans being 1.0% less
            than the corresponding margin for Adjusted LIBO Rate loans (but
            not less than 0%).
    
 
                                       56
<PAGE>   62
 
   
     Currently all outstanding tranche A loans bear interest at the Adjusted
LIBO Rate plus 2.50%, all outstanding tranche B loans bear interest at the
Adjusted LIBO Rate plus 2.75%, and all outstanding acquisition loans bear
interest at the Adjusted LIBO Rate plus 2.50%.
    
 
FEES
 
   
     Neenah has agreed to pay certain fees with respect to the senior bank
facilities, including:
    
 
   
    (1) fees on the unused commitments of lenders equal to .50% on the undrawn
        portion of the commitments in respect of the senior bank facilities,
        which fees will be reduced to .375% if the leverage ratio is less than
        3.5:1.0;
    
 
   
    (2) letter of credit fees on the aggregate face amount of outstanding
        letters of credit equal to the then applicable borrowing margin for
        Adjusted LIBO Rate loans under the revolving credit facility and a
        issuing bank fee for the letter of credit issuing bank;
    
 
   
    (3) annual administration fees; and
    
 
   
    (4) agent, arrangement and other similar fees.
    
 
SECURITY; GUARANTEES
 
   
     The obligations of Neenah under the senior bank facilities are irrevocably
guaranteed, jointly and severally, by NFC Castings, Inc., the parent of Neenah,
and by each existing and subsequently acquired or organized subsidiary of
Neenah. In addition, the credit agreement and the guarantees thereunder are
secured by substantially all of the assets of Neenah, Neenah's parent and its
domestic subsidiaries including:
    
 
   
    (1) a first priority pledge of all the capital stock of Neenah and of each
        existing and subsequently acquired or organized subsidiary of Neenah and
    
 
   
    (2) a perfected first priority security interest in, and mortgage on,
        substantially all tangible and intangible assets of Neenah and the
        guarantors, including
    
 
   
          - accounts receivable,
    
 
   
          - documents,
    
 
   
          - inventory,
    
 
   
          - equipment,
    
 
   
          - investment property,
    
   
     - general intangibles,
    
 
   
     - real property,
    
 
   
     - cash and cash accounts and
    
 
   
     - proceeds of the foregoing in each case subject to certain exceptions.
    
 
   
MANDATORY AND OPTIONAL PREPAYMENT
    
 
   
     The term loan facilities and the acquisition loans are required to be
prepaid, subject to certain conditions and exceptions, with
    
 
   
     (1) 100% of the net proceeds of any incurrence of indebtedness, subject to
         certain exceptions, by Neenah, Neenah's parent or its subsidiaries,
    
 
   
     (2) 100% of the net proceeds of certain asset dispositions,
    
 
   
     (3) 50% of excess cash flow, as such term is defined in the credit
         agreement, on a consolidated basis and
    
 
   
     (4) 100% of net proceeds from any insurance recovery events, subject to
         certain re-investment rights.
    
 
   
     Subject to certain exceptions, mandatory prepayments of debt must be made
pro rata, among the acquisition loan facility and the term loan facility. In the
case of an offering of qualified subordinated debt prior to September 8, 2000,
mandatory prepayments must be made first to retire
    
 
                                       57
<PAGE>   63
 
   
borrowings under the acquisition loan facility with the remaining proceeds of
any such offering used to retire pro rata borrowings under the term loan
facility.
    
 
   
     The senior bank facilities provide that Neenah may prepay loans in whole or
in part without penalty, subject to minimum prepayments and reimbursement of the
lenders' breakage and redeployment costs in the case of prepayment of Adjusted
LIBO Rate loans.
    
 
AFFIRMATIVE, NEGATIVE AND FINANCIAL COVENANTS
 
   
     The credit agreement contains a number of covenants that, among other
things, restrict the ability of ACP Holdings, Neenah and its subsidiaries to
    
 
   
     - dispose of assets,
    
 
   
     - incur additional indebtedness,
    
 
   
     - incur or guarantee obligations,
    
 
   
     - amend other debt instruments,
    
 
   
     - pay dividends,
    
 
   
     - create liens on assets,
    
 
   
     - make investments,
    
 
   
     - loans or advances,
    
 
   
     - make acquisitions,
    
 
   
     - engage in mergers or consolidations,
    
 
   
     - change the business conducted by
    
   
       Neenah and its subsidiaries,
    
 
   
     - make capital expenditures, or
    
 
   
     - engage in certain transactions with affiliates and otherwise restrict
       certain corporate activities.
    
 
   
In addition, the credit agreement requires Neenah to comply with specified
financial ratios and tests, including a maximum leverage ratio, an interest
coverage ratio and a minimum consolidated net worth test.
    
 
EVENTS OF DEFAULT
 
   
     The senior bank facilities contain customary events of default, including
    
 
   
     - non-payment of principal,
    
 
   
     - interest or fees,
    
 
   
     - violation of covenants,
    
 
   
     - inaccuracy of representations or warranties in any material respect,
    
 
   
     - cross default to certain other
       indebtedness,
    
   
- - bankruptcy,
    
 
   
- - ERISA events,
    
 
   
- - material judgments and liabilities,
    
 
   
- - actual or asserted invalidity of any material security interest and
    
 
   
- - change of control.
    
 
                                       58
<PAGE>   64
 
                              DESCRIPTION OF NOTES
 
GENERAL
 
   
     You can find the definitions of certain terms used in this description
under the subheading "Certain Definitions."
    
 
   
     We will issue the exchange notes under the terms of the indenture dated as
of April 30, 1997 between Neenah, the guarantor subsidiaries and United States
Trust Company of New York, as trustee. The terms of the exchange notes include
those stated in the indenture and those made part of the indenture by reference
to the Trust Indenture Act of 1939, as amended (the "Trust Indenture Act").
    
 
   
     The form and terms of the series F senior subordinated notes due 2007 are
the same as the form and terms of the old notes except that
    
 
   
     (1) the exchange notes will have been registered under the Securities Act
         of 1933, as amended (the "Securities Act") and thus will not bear
         restrictive legends restricting their transfer pursuant to the
         Securities Act and
    
 
   
     (2) holders of exchange notes will not be entitled to rights of holders of
         the old notes under the registration rights agreement which terminate
         upon the consummation of the exchange offer.
    
 
   
     The following description is a summary of the material provisions of the
indenture. It does not restate that agreement in its entirety. We urge you to
read the indenture and the registration rights agreement because they, and not
this description, define your rights as holders of these exchange notes. Copies
of the of the indenture and the registration rights agreement may be obtained by
contacting us at the address and telephone number set forth at the end of the
section entitled "Prospectus Summary."
    
 
   
BRIEF DESCRIPTION OF THE EXCHANGE NOTES
    
 
   
  The Notes
    
 
   
     These exchange notes:
    
 
   
     - are general unsecured obligations of Neenah;
    
 
   
     - are subordinated in right of payment to all of our and our guarantor
       subsidiaries' current and future senior debt;
    
 
   
     - are pari passu in right of payment to all of our and our guarantor
       subsidiaries' existing and future Senior Subordinated Indebtedness; and
    
 
   
     - are ahead of all our and our guarantor subsidiaries' other current and
       future Indebtedness that expressly provides that it is not senior to
       these exchange notes and the subsidiary guarantees.
    
 
   
PRINCIPAL, MATURITY AND INTEREST
    
 
   
     We will issue the exchange notes with a maximum aggregate principal amount
of $87.0 million, of which $87.0 million has been issued on the date of original
issuance. We will issue the exchange notes in denominations of $1,000 and
integral multiples of $1,000. The exchange notes will mature on May 1, 2007.
    
 
   
     Interest on these exchange notes will accrue at the rate of 11 1/8% per
annum and will be payable semi-annually on May 1 and November 1, commencing on
May 1, 1999. We will make each interest payment to the holders of record of
these exchange notes on the immediately preceding April 15
    
 
                                       59
<PAGE>   65
 
   
and October 15. Interest on these exchange notes will accrue from the date of
original issuance or, if interest has already been paid from the date it was
most recently paid.
    
 
   
METHODS OF RECEIVING PAYMENTS ON THE EXCHANGE NOTES
    
 
   
     Principal of any premiums and interest on the exchange notes will be
payable, and the exchange notes may be exchanged or transferred, at our office
or agency in the Borough of Manhattan, the City of New York. Initially this
office shall be the corporate trust office of the Trustee at 114 West 47th
Street, New York, N.Y. 10036, Attn: Gerard Ganey. However, at our option, we may
make interest payments by check mailed to the Holders at their address set forth
in the register of Holders.
    
 
   
     No service charge will be made for any registration of transfer or exchange
of exchange notes, but we may require payment of a sum sufficient to cover any
transfer tax or other similar governmental charge payable in connection
therewith.
    
 
   
OPTIONAL REDEMPTION
    
 
   
     At any time prior to May 1, 2000, we may on one or more occasions redeem up
to 40% of the aggregate principal amount of the exchange notes originally issued
under the indenture at a redemption price of 111.125% of the principal amount
thereof, plus accrued and unpaid interest to the redemption date, with the net
cash proceeds of one or more Public Equity Offerings; provided that:
    
 
   
     (1) at least 60% of the original aggregate principal amount of exchange
         notes remains outstanding immediately after the occurrence of each such
         redemption; and
    
 
   
     (2) the redemption must occur within 90 days of the date of the closing of
such Equity Offering.
    
 
   
     Except as described in the above paragraph, we will not have the option of
redeeming the notes prior to May 1, 2002.
    
 
   
     Notwithstanding (1) and (2) above, Neenah will not be permitted to redeem
any Existing Notes unless, substantially concurrently with such redemption,
Neenah redeems an aggregate principal amount of exchange notes, rounded to the
nearest integral multiple of $1,000, equal to the product of
    
 
     (1) a fraction, the numerator of which is the aggregate principal amount of
         Existing Notes to be so redeemed and the denominator of which is the
         aggregate principal amount of Existing Notes outstanding immediately
         prior to such proposed redemption and
 
   
     (2) the aggregate principal amount of exchange notes outstanding
         immediately prior to such proposed redemption.
    
 
   
     Similarly, Neenah will not be permitted to redeem the exchange notes
unless, substantially concurrently with such redemption, Neenah redeems an
aggregate principal amount of each series of Existing Notes, rounded to the
nearest integral multiple of $1,000, equal to the product of
    
 
   
     (1) a fraction, the numerator of which is the aggregate principal amount of
         exchange notes to be so redeemed and the denominator of which is the
         aggregate principal amount of exchange notes outstanding immediately
         prior to such proposed redemption and
    
 
     (2) the aggregate principal amount of such series of Existing Notes
         outstanding immediately prior to such proposed redemption.
 
   
     After May 1, 2002, we may redeem all or part of these exchange notes upon
not less than 30 nor more than 60 days notice, at the redemption prices,
expressed as percentages of principal
    
 
                                       60
<PAGE>   66
 
   
amount, set forth below plus accrued and unpaid interest, to the applicable
redemption date, if redeemed during the twelve-month period beginning on May 1
of the years indicated below:
    
 
   
<TABLE>
<CAPTION>
                                                              PERCENTAGE
                                                              ----------
<S>                                                           <C>
2002........................................................   105.5625%
2003........................................................   103.7083%
2004........................................................   101.8542%
2005 and thereafter.........................................   100.0000%
                                                               ========
</TABLE>
    
 
   
     The exchange notes will be subject to redemption at the option of Neenah,
prior to May 1, 2002, at any time within 180 days after a change of control
event on not less than 30 nor more than 60 days' prior notice to each Holder of
exchange notes to be redeemed, in amounts of $1,000 or an integral multiple
thereof, at a redemption price equal to the sum of
    
 
   
    (1) the principal amount thereof plus
    
 
   
    (2) accrued and unpaid interest, if any, to the redemption date, subject to
        the right of holders of record on the relevant record date to receive
        interest due on the relevant interest payment date that is on or prior
        to the date of redemption plus
    
 
   
    (3) the Applicable Premium.
    
 
   
Each Holder of exchange notes will also have certain rights to require Neenah to
purchase such exchange notes upon the occurrence of a change of control event
described under the section "Change of Control" below.
    
 
SELECTION
 
   
     If less than all of the exchange notes are to be redeemed at any time, the
Trustee will select exchange notes for redemption as follows
    
 
   
     (1) on a pro rata basis,
    
 
   
     (2) by lot or
    
 
   
     (3) by such other method as the Trustee in its sole discretion shall deem
         to be fair and appropriate.
    
 
   
However, no exchange note of $1,000 or less will be redeemed in part.
    
 
   
     If any exchange note is to be redeemed in part only, the notice of
redemption relating to such exchange note shall state the portion of the
principal amount thereof to be redeemed. A new note in principal amount equal to
the unredeemed portion thereof will be issued in the name of the Holder thereof
upon cancellation of the original note.
    
 
RANKING
 
   
  Neenah
    
   
    
 
   
     The indebtedness evidenced by the exchange notes will be unsecured Senior
Subordinated Indebtedness of Neenah. The payment of the principal of any
premiums and interest on the exchange notes
    
 
   
    (1) is subordinate in right of payment, as set forth in the indenture, to
        all existing and future Senior Indebtedness of Neenah,
    
 
   
    (2) will rank pari passu in right of payment with all existing and future
        Senior Subordinated Indebtedness of Neenah, including the Existing
        Notes, and
    
 
   
    (3) will be senior in right of payment to all existing and future
        Subordinated Obligations of Neenah.
    
 
                                       61
<PAGE>   67
 
   
     The exchange notes will also be effectively subordinated to any Secured
Indebtedness of Neenah to the extent of the value of the assets securing such
indebtedness. However, payment from the money or the proceeds of U.S. Government
Obligations held in any defeasance trust described under "Defeasance" below is
not subordinated to any Senior Indebtedness or subject to the restrictions in
the indenture.
    
 
   
  Guarantor Subsidiaries
    
 
   
     The indebtedness evidenced by a Subsidiary Guaranty will be unsecured
Senior Subordinated Indebtedness of the guarantor subsidiary issuing such
Subsidiary Guaranty. The payment of a Subsidiary Guaranty
    
 
   
     (1) is subordinate in right of payment, as set forth in the indenture, to
         all existing and future senior indebtedness of such guarantor
         subsidiary,
    
 
   
     (2) will rank pari passu in right of payment with the existing and future
         Senior Subordinated Indebtedness of such guarantor subsidiary and
    
 
   
     (3) will be senior in right of payment to all existing and future
         Subordinated Obligations of such guarantor subsidiary.
    
 
   
Each Subsidiary Guaranty will also be effectively subordinated to any Secured
Indebtedness of the guarantor subsidiary to the extent of the value of the
assets securing such indebtedness.
    
 
   
  Outstanding Debt
    
 
   
     As of December 31, 1998, on a pro forma basis after giving effect to the
recent acquisitions, the offering and the application of the net proceeds
therefrom, Neenah and the guarantor subsidiaries would have had outstanding
    
 
   
     (1) $145.1 million, excluding $4.6 million of outstanding letters of
         credit, of aggregate principal amount of Senior Indebtedness, all of
         which is Secured Indebtedness,
    
 
   
     (2) $195.0 million aggregate principal amount of Senior Subordinated
         Indebtedness, other than the Indebtedness represented by the exchange
         notes, and
    
 
   
     (3) no Indebtedness that is subordinate and junior in right of repayment to
         Senior Subordinated Indebtedness.
    
 
   
  Senior Indebtedness
    
 
   
     Although the indenture contains limitations on the amount of additional
Indebtedness that Neenah and its Subsidiaries may incur, under certain
circumstances described under the subheading "Certain Covenants -- Limitation on
Indebtedness" below, the amount of Indebtedness could be substantial. Also, the
Indebtedness may be Senior Indebtedness of Neenah or a guarantor subsidiary.
    
 
   
     Only Indebtedness of Neenah or a guarantor subsidiary that is Senior
Indebtedness will rank senior to the exchange notes and the relevant Subsidiary
Guaranty in accordance with the provisions of the indenture.
    
 
   
     The exchange notes and each Subsidiary Guaranty will in all respects rank
pari passu with all other Senior Subordinated Indebtedness of Neenah and the
relevant guarantor subsidiary, including the existing notes.
    
 
   
     Neenah and each guarantor subsidiary has agreed in the indenture that it
will not incur, directly or indirectly, any Indebtedness which is subordinate or
junior in ranking in any respect to Senior Indebtedness unless such Indebtedness
is Senior Subordinated Indebtedness, or is expressly subordinated in right of
payment to Senior Subordinated Indebtedness. Unsecured Indebtedness of
    
 
                                       62
<PAGE>   68
 
   
Neenah or a guarantor subsidiary is not deemed to be subordinated or junior to
Secured Indebtedness merely because it is unsecured.
    
 
   
  Defeasance
    
   
    
 
   
     Neenah may not pay principal of, or any premiums or interest on, the
exchange notes or make any deposit pursuant to the provisions described under
the subsection "Defeasance" below, and may not otherwise purchase, redeem or
otherwise retire any exchange notes other than from funds held in a defeasance
trust pursuant to the provisions described under the subsection "Defeasance"
below (collectively, "pay the exchange notes"), if
    
 
   
     (1) any Senior Indebtedness of Neenah is not paid when due or
    
 
   
     (2) any other default on Senior Indebtedness of Neenah occurs and the
         maturity of the Senior Indebtedness is accelerated in accordance with
         its terms unless, in either case, the default has been cured or waived
         and any such acceleration has been rescinded or such Senior
         Indebtedness has been paid in full.
    
 
   
     However, Neenah may pay the exchange notes without regard to the foregoing
if Neenah and the Trustee receive written notice approving any payment from the
Representative of the holders of the Senior Indebtedness with respect to which
either of the events set forth in clause (1) or (2) of the immediately preceding
sentence has occurred and is continuing.
    
 
   
     During the continuance of any default, other than a default described in
clause (1) or (2) above, with respect to any Designated Senior Indebtedness
pursuant to which the maturity thereof may be accelerated immediately without
further notice, except such notice as may be required to effect such
acceleration, or the expiration of any applicable grace periods, Neenah may not
pay the exchange notes for a period. This period will commence upon the receipt
by the Trustee, with a copy to Neenah, of a written blockage notice of the
default from the Representative of the holders of the Designated Senior
Indebtedness. This blockage notice will specify an election to effect a payment
blockage period and which will end 179 days after or earlier if the payment
blockage period is terminated:
    
 
   
     (1) by written notice to the Trustee and Neenah from the Person or Persons
         who gave the blockage notice,
    
 
   
     (2) because the default giving rise to the blockage notice is no longer
         continuing or
    
 
   
     (3) because such Designated Senior Indebtedness has been repaid in full.
    
 
   
     Notwithstanding the provisions described in the immediately preceding
sentence, unless the holders of such Designated Senior Indebtedness have, or the
Representative of such holders has, accelerated the maturity of such Designated
Senior Indebtedness, Neenah may resume payments on the exchange notes after the
end of any payment blockage period, including any missed payments.
    
 
   
     Not more than one blockage notice may be given in any consecutive 360-day
period, irrespective of the number of defaults with respect to Designated Senior
Indebtedness during such period. However, if any blockage notice within such
360-day period is given by or on behalf of any holders of Designated Senior
Indebtedness other than the Bank Indebtedness, the Representative of the Bank
Indebtedness may give another Blockage Notice within such period. In no event,
however, may the total number of days during which any payment blockage period
or periods is in effect exceed 179 days in the aggregate during any 360
consecutive day period.
    
 
   
  Payments or Distributions
    
 
   
     Upon any payment or distribution of the assets of Neenah upon a total or
partial liquidation or dissolution or reorganization of or similar proceeding
relating to Neenah or its property, the holders
    
 
                                       63
<PAGE>   69
 
   
of Senior Indebtedness of Neenah will be entitled to receive payment in full of
the Senior Indebtedness of Neenah before the Exchange Noteholders are entitled
to receive any payment.
    
 
   
     In addition, until the Senior Indebtedness of Neenah is paid in full, any
payment or distribution to which Noteholders would be entitled but for the
subordination provisions of the indenture will be made to holders of the Senior
Indebtedness of Neenah as their respective interests may appear.
    
 
     If a payment or distribution is made to Exchange Noteholders that due to
the subordination provisions should not have been made to them, such Exchange
Noteholders are required to hold such payment or distribution in trust for the
holders of Senior Indebtedness and pay it over to them as their respective
interests may appear.
 
   
  Default
    
   
    
 
   
     If payment of the exchange notes is accelerated because of an event of
default, Neenah or the Trustee shall promptly notify the holders of the
Designated Senior Indebtedness or the Representative of the holders of the
acceleration. Neenah may not pay the exchange notes until five Business Days
after the holders or the Representative of the holders of the Designated Senior
Indebtedness receive notice of the acceleration. Thereafter, Neenah may pay the
Notes only if the subordination provisions of the indenture permit payment at
that time.
    
 
   
     The terms of the subordination provisions described above with respect to
Neenah's obligations under the exchange notes apply equally to a guarantor
subsidiary and the obligations of each guarantor subsidiary under its Subsidiary
Guaranty.
    
 
   
     By reason of such subordination provisions contained in the indenture, in
the event of insolvency, creditors of Neenah or a guarantor subsidiary who are
holders of Senior Indebtedness of Neenah or a guarantor subsidiary, as the case
may be, may recover more, ratably, than the Exchange Noteholders, and creditors
of Neenah who are not holders of Senior Indebtedness of Neenah or of Senior
Subordinated Indebtedness, including the exchange notes, may recover less,
ratably, than holders of Senior Indebtedness of Neenah.
    
 
   
SUBSIDIARY GUARANTEES
    
 
   
     These exchange notes are guaranteed by the following Subsidiaries of
Neenah:
    
 
   
     Hartley Controls Corporation
    
   
     Neenah Transport, Inc.
    
   
     Deeter Foundry, Inc.
    
   
     Mercer Forge Corporation
    
   
     A & M Specialties, Inc.
    
   
     Advanced Cast Products, Inc.
    
   
     Belcher Corporation
    
   
     Peerless Corporation
    
   
     Dalton Corporation
    
   
     Dalton Corporation, Warsaw Manufacturing Facility
    
   
     Dalton Corporation, Ashland Manufacturing Facility
    
   
     Dalton Corporation, Kendallville Manufacturing Facility
    
   
     Stryker Machining Facility Co.
    
   
     Niemin Porter & Co.
    
 
   
     Each of Neenah's principal operating subsidiaries and future issuers of
Subsidiary Guarantees will jointly and severally as primary obligors and not
merely as sureties, irrevocably Guarantee on an unsecured senior subordinated
basis the performance and punctual payment when due, whether at Stated Maturity,
by acceleration or otherwise, of all obligations of Neenah under the indenture
and the exchange notes, whether for payment of principal of or interest on the
exchange notes, expenses, indemnification or otherwise.
    
                                       64
<PAGE>   70
 
   
     The guarantor subsidiaries will agree to pay, in addition to the amount
stated above, any and all expenses, including reasonable counsel fees and
expenses, incurred by the Trustee or the Holders in enforcing any rights under
the Subsidiary Guarantees. Each Subsidiary Guaranty will be limited in amount to
an amount not to exceed the maximum amount that can be Guaranteed by the
applicable guarantor subsidiary without rendering such Subsidiary Guaranty
voidable under applicable law relating to fraudulent conveyance or fraudulent
transfer or similar laws affecting the rights of creditors generally. As
described further under the subheading "Certain Covenants -- Future Guarantor
Subsidiaries" below, Neenah will cause
    
 
     (a) each Restricted Subsidiary that is a Domestic Subsidiary which Incurs
         Indebtedness and
 
   
     (b) each Restricted Subsidiary that is not a Domestic Subsidiary and that
         after the Original Issue Date enters into a Guarantee of any of the
         obligations of Neenah, Neenah's parent or any of Neenah's Subsidiaries
         in accordance with the terms of the senior bank facilities to guarantee
         payment of the exchange notes.
    
 
     Each Subsidiary Guaranty is a continuing guarantee and shall
 
   
     (1) remain in full force and effect until payment in full of all the
         guaranteed obligations,
    
 
   
     (2) be binding upon each guarantor subsidiary and
    
 
   
     (3) enure to the benefit of and be enforceable by the Trustee, the Holders
         and their successors, transferees and assigns.
    
 
   
     A Subsidiary Guaranty will be released upon the sale of the capital stock,
or all or substantially all of the assets, of the applicable guarantor
subsidiary if the sale is made in compliance with the indenture.
    
 
   
     Each of Neenah's guarantor subsidiaries have also Guaranteed or will also
Guarantee Indebtedness of Neenah Incurred under the terms of the senior bank
facilities and the Existing Notes.
    
 
CHANGE OF CONTROL
 
   
     Upon the occurrence of any of the following events, each a "change of
control," each Holder will have the right to require Neenah to repurchase all or
any part of such Holder's exchange notes at a purchase price in cash equal to
101% of the principal amount thereof, plus accrued and unpaid interest, if any,
to the date of purchase, subject to the right of Holders of record on the
relevant record date to receive interest due on the relevant interest payment
date, pursuant to the offer described below and the other procedures set forth
in the indenture.
    
 
   
     However, notwithstanding the occurrence of a change of control, Neenah
shall not be obligated to purchase the exchange notes pursuant to this covenant
in the event that it has exercised its rights to redeem all of the exchange
notes as described under the section entitled "Optional Redemption:"
    
 
   
     (1) prior to the earlier to occur of the first public offering of Voting
         Stock of ACP Holdings, Holdings or Neenah, the Permitted Holders cease
         to be entitled by "beneficial ownership," as defined in Rules 13d-3 and
         13d-5 under the Exchange Act of Voting Stock, contract or otherwise, to
         elect or cause the election of directors of Neenah having a majority of
         the total voting power of the Board of Directors of Neenah, whether as
         a result of issuance of securities of Neenah, any merger,
         consolidation, liquidation or dissolution of Neenah, any direct or
         indirect transfer of securities by any Permitted Holder or otherwise.
         For purposes of this clause (1), the Permitted Holders shall be deemed
         to beneficially own any Voting Stock of a corporation held by any other
         corporation (the "parent corporation") so long as one or more of the
         Permitted Holders beneficially own, as so defined, directly or
         indirectly, in the aggregate a majority of the voting power of the
         Voting Stock of the parent corporation;
    
 
                                       65
<PAGE>   71
 
   
     (2) after the first public offering of Voting Stock of ACP Holdings,
         Neenah's parent or Neenah
    
 
   
        - any person or group, as such terms are used in Sections 13(d) and
          14(d) of the Exchange Act, other than one or more of the Permitted
          Holders, is or becomes the beneficial owner, as defined in clause (1)
          above, directly or indirectly, of Voting Stock that represents more
          than 40% of the aggregate ordinary voting power of all classes of the
          Voting Stock of ACP Holdings, Neenah's parent or Neenah voting
          together as a single class, and
    
 
   
        - either
    
 
   
          (x) the Permitted Holders beneficially own, as defined in clause (1)
              above, directly or indirectly, in the aggregate Voting Stock that
              represents a lesser percentage of the aggregate ordinary voting
              power of all classes of the Voting Stock of ACP Holdings, Neenah's
              parent, or Neenah as the case may be, voting together as a single
              class, than such other person or group and are not entitled, by
              voting power, contract or otherwise, to elect directors of ACP
              Holdings, Neenah's parent or Neenah having a majority of the total
              voting power of the board of directors of ACP Holdings, Neenah's
              parent or Neenah, as the case may be, or
    
 
   
          (y) such other person or group is entitled to elect directors of ACP
              Holdings, Neenah's parent or Neenah having a majority of the total
              voting power of the board of directors of ACP Holdings, Neenah's
              parent or Neenah;
    
 
   
     (3) after the first public offering of Voting Stock of ACP Holdings,
         Neenah's parent or Neenah, during any period of not greater than two
         consecutive years beginning after the Issue Date, individuals who at
         the beginning of any period constituted
    
 
   
        (x) the board of directors of ACP Holdings, Neenah's parent or Neenah,
            as the case may be, plus
    
 
   
        (y) any new directors whose election by the board of directors, or whose
            nomination for election by shareholders was approved by the
            Permitted Holders or by the board of directors, in each case by a
            vote of a majority of the directors of ACP Holdings, Neenah's parent
            or Neenah, as the case may be, then still in office who were either
            directors at the beginning of the period or whose election or
            nomination for election was previously so approved, cease for any
            reason to have a majority of the total voting power of the board of
            directors of ACP Holdings, Neenah's parent or Neenah, as the case
            may be; or
    
 
   
     (4) any sale, lease, or other transfer in one or more related transactions
         is made by us or our Restricted Subsidiaries of all or substantially
         all of our and our Restricted Subsidiaries' consolidated assets to any
         Person.
    
 
   
     Within 30 days following any change of control, we will mail a notice to
each Holder with a copy to the Trustee stating, among other things:
    
 
   
     (1) that a change of control has occurred and that such Holder has the
         right to require us to purchase all or any portion of such Holder's
         exchange notes at a purchase price in cash equal to 101% of the
         principal amount thereof, plus accrued and unpaid interest, if any, to
         the date of repurchase, subject to the right of Holders of record on a
         record date to receive interest on the relevant interest payment date;
    
 
   
     (2) the circumstances and relevant facts and financial information
         regarding any change of control;
    
 
   
     (3) the repurchase date, which shall be no earlier than 30 days nor later
         than 60 days from the date such notice is mailed; and
    
 
                                       66
<PAGE>   72
 
   
     (4) our instructions, consistent with this covenant, that a Holder must
         follow in order to have its exchange notes or any portion thereof
         purchased.
    
 
   
     We will comply, to the extent applicable, with the requirements of Section
14(e) of the Exchange Act and any other securities laws or regulations in
connection with the repurchase of exchange notes pursuant to this covenant. To
the extent that the provisions of any securities laws or regulations conflict
with provisions of this covenant, we will comply with the applicable securities
laws and regulations and will not be deemed to have breached our obligations
described in the indenture.
    
 
   
     The change of control purchase feature is a result of negotiations between
us and the Initial Purchaser. Management has no present intention to engage in a
transaction involving a change of control. However, it is possible that we or
our parent would decide to do so in the future. Subject to the limitations
discussed below, we could enter into certain transactions in the future,
including acquisitions or other recapitalizations, that would not constitute a
change of control under the indenture, but that could increase the amount of
indebtedness outstanding at such time or otherwise affect our capital structure
or credit ratings.
    
 
   
     The occurrence of a change of control would constitute a default under the
senior bank facilities. Our future Senior Indebtedness may contain prohibitions
of certain events which would constitute a change of control or require such
Senior Indebtedness to be repurchased upon a change of control.
    
 
   
     Moreover, the exercise by the Holders of their right to require us to
repurchase the exchange notes could cause a default under our Senior
Indebtedness, even if the change of control itself does not, due to the
financial effect of such repurchase on us.
    
 
   
     Finally, our ability to pay cash to the Holders upon a repurchase may be
limited by our then existing financial resources. There can be no assurance that
sufficient funds will be available when necessary to make any repurchases
required in connection with a change of control. Our failure to purchase the
exchange notes in connection with a change of control would result in a default
under the indenture.
    
 
CERTAIN COVENANTS
 
   
     The indenture will contain covenants including, among others, the
following:
    
 
   
  Limitation on Indebtedness
    
 
   
     We will not, and will not permit any Restricted Subsidiary to, Incur any
Indebtedness unless on the date of such Incurrence the Consolidated Coverage
Ratio exceeds 2.00 to 1.
    
 
   
     The first paragraph of this covenant will not prohibit the incurrence of
any of the following items of Indebtedness:
    
 
   
     (1) Indebtedness consisting of revolving credit, working capital or letters
         of credit financing in an aggregate principal amount at any time
         outstanding not in excess of the greater of $35.0 million and the
         Borrowing Base in effect from time to time, in each case less the
         aggregate amount of all repayments of principal actually made
         thereunder since the Original Issue Date with Net Available Cash from
         Asset Dispositions pursuant to clause (3)(A) of the first paragraph of
         the covenant described under the subheading entitled "Limitation on
         Sales of Assets and Subsidiary Stock;"
    
 
   
     (2) Indebtedness of us owing to and held by any Wholly Owned Subsidiary or
         Indebtedness of our Restricted Subsidiary owing to and held by us or
         any Wholly Owned Subsidiary; provided, however, that any subsequent
         issuance or transfer of any Capital Stock or any other event which
         results in any such Wholly Owned Subsidiary ceasing to be a Wholly
         Owned Subsidiary or any subsequent transfer of any such Indebtedness,
         except to Neenah
    
 
                                       67
<PAGE>   73
 
   
         or a Wholly Owned Subsidiary, will be deemed, in each case, to
         constitute the Incurrence of such Indebtedness by the issuer thereof;
    
 
   
     (3) Indebtedness of us represented by the notes;
    
 
   
     (4) any Indebtedness of us and any of our Restricted Subsidiaries, other
         than the Indebtedness described in clauses (1) or (2) above,
         outstanding on the Original Issue Date and Indebtedness Incurred under
         Section 4.03(a) of the Original Indenture prior to the Issue Date;
    
 
   
     (5) Indebtedness of us and any of our Restricted Subsidiaries
    
 
   
        (A) in respect of judgment, appeal, surety, performance and other like
            bonds, bankers' acceptances and letters of credit provided by us and
            any of our Restricted Subsidiaries in the ordinary course of their
            business and which do not secure other Indebtedness and
    
 
   
        (B) under Commodity Agreements, Currency Agreements and Interest Rate
            Agreements that are designed to protect us or our Restricted
            Subsidiaries against fluctuations in commodity prices for raw
            materials used by them, interest rates or currency exchange rates
            and not for the purposes of speculation;
    
 
   
      (6) Indebtedness represented by our Guarantees of Indebtedness of any of
          our Restricted Subsidiaries, or in respect of letters of credit
          provided by us to support such Indebtedness, or Guarantees by our
          Restricted Subsidiary of our Indebtedness or that of a Restricted
          Subsidiary, or in respect of letters of credit provided by a
          Restricted Subsidiary to support such Indebtedness; provided, however,
          that only Indebtedness that is Incurred in compliance with this
          covenant may be guaranteed pursuant to this clause (6);
    
 
   
      (7) Purchase Money Indebtedness, industrial revenue bonds or similar
          Indebtedness and Capitalized Lease Obligations of us and any of our
          Restricted Subsidiaries in an aggregate principal amount at any time
          outstanding not in excess of 10% of Total Assets;
    
 
   
      (8) Indebtedness of us and any of our Restricted Subsidiaries consisting
          of guarantees, indemnities or obligations in respect of purchase price
          adjustments, in connection with the acquisition or disposition of any
          business, assets or Subsidiary of us permitted under the indenture;
    
 
   
      (9) Indebtedness of us and any of our Restricted Subsidiaries, to the
          extent the proceeds thereof are immediately used after the Incurrence
          thereof to purchase notes tendered in an offer to purchase made as a
          result of a change of control;
    
 
   
     (10) Indebtedness of us or any of our Restricted Subsidiaries owed to any
          Person in connection with liability insurance provided by such Person
          to us or such Restricted Subsidiary, pursuant to reimbursement or
          indemnification obligations to such Person, including obligations in
          respect of letters of credit for the benefit of such Person, in each
          case Incurred in the ordinary course of business;
    
 
   
     (11) Indebtedness of us consisting of guarantees of up to an aggregate
          principal amount of $2.0 million of borrowings by Management Investors
          in connection with purchases of Voting Stock of Holdings on or after
          the Original Issue Date and in accordance with the limitations
          described under the subheading "Limitation on Restricted Payments;"
    
 
   
     (12) Indebtedness of us or any of our Restricted Subsidiaries in an
          aggregate principal amount at any time outstanding not in excess of
          $15.0 million which Indebtedness may be incurred pursuant to clause
          (1) above; and
    
 
                                       68
<PAGE>   74
 
   
     (13) any Refinancing Indebtedness incurred in respect of any Indebtedness
          Incurred pursuant to the first paragraph of this covenant or pursuant
          to clause (1), (2), (4), (7), (9) or (13) of this second paragraph.
    
 
   
     Even if the first two paragraphs of this covenant permit us to Incur
Indebtedness:
    
 
   
     - we may not Incur any Indebtedness subordinate or junior in ranking in any
       respect to any of our Senior Indebtedness unless the Indebtedness is
       Senior Subordinated Indebtedness or is expressly subordinated in right of
       payment to our Senior Subordinated Indebtedness;
    
 
   
     - we may not Incur any Secured Indebtedness which is not Senior
       Indebtedness of Neenah unless contemporaneously therewith effective
       provision is made to secure the exchange notes equally and ratably with,
       or on a senior basis to, in the case of Indebtedness subordinated in
       right of payment to the exchange notes, such Secured Indebtedness for so
       long as such Secured Indebtedness is secured by a Lien;
    
 
   
     - our guarantor subsidiary may not Incur any Indebtedness if such
       Indebtedness is subordinate or junior in ranking in any respect to any
       Senior Indebtedness of the guarantor subsidiary unless such Indebtedness
       is Senior Subordinated Indebtedness of such guarantor subsidiary or is
       expressly subordinated in right of payment to Senior Subordinated
       Indebtedness of such guarantor subsidiary; and
    
 
   
     - our guarantor subsidiary may not incur any Secured Indebtedness which is
       not Senior Indebtedness of such guarantor subsidiary unless
       contemporaneously therewith effective provision is made to secure the
       Subsidiary Guaranty equally and ratably with or on a senior basis to, in
       the case of Indebtedness subordinated in right of payment to such
       Subsidiary Guaranty such Secured Indebtedness for so long as such Secured
       Indebtedness is secured by a Lien.
    
 
   
  Limitation on Restricted Payments
    
 
   
     We will not, and will not permit any Restricted Subsidiary, directly or
indirectly, to:
    
 
   
     (1) declare or pay any dividend or make any distribution on or in respect
         of its Capital Stock (including any payment in connection with any
         merger or consolidation involving Neenah) except dividends or
         distributions
    
 
   
        (x) payable solely in its Capital Stock, other than Disqualified Stock,
            and except dividends or distributions payable to us or any
            Restricted Subsidiary and
    
 
   
        (y) if a Restricted Subsidiary has shareholders other than us or other
            Restricted Subsidiary, to its other shareholders on a pro rata basis
            or on a basis that results in the receipt by us or a Restricted
            Subsidiary of dividends or distributions of equal or greater value;
    
 
   
     (2) purchase, redeem, retire or otherwise acquire for value any Capital
         Stock of us or any Restricted Subsidiary held by Persons other than us
         or another Restricted Subsidiary;
    
 
   
     (3) purchase, repurchase, redeem, defease or otherwise acquire or retire
         for value prior to scheduled maturity, scheduled repayment or scheduled
         sinking fund payment any Subordinated Obligations except for the
         purchase, repurchase or other acquisition of Subordinated Obligations
         purchased in anticipation of satisfying a sinking fund obligation,
         principal installment or final maturity, in each case due within one
         year of the date of acquisition; or
    
 
   
     (4) make any Investment, other than a Permitted Investment, in any Person
         including any such dividend, distribution, purchase, redemption,
         repurchase, defeasance, other acquisition, retirement, Investment or
         payment being herein referred to as a "Restricted Payment" if at the
         time we or such Restricted Subsidiary makes a Restricted Payment:
    
 
   
        (a) a Default will have occurred and be continuing or would result
            therefrom;
    
 
                                       69
<PAGE>   75
 
   
        (b) we could not Incur at least $1.00 of additional Indebtedness under
            the first paragraph of the covenant described under "-- Limitation
            on Indebtedness;" or
    
 
   
        (c) the aggregate amount of such Restricted Payment and all other
            Restricted Payments (the amount so expended, if other than in cash,
            to be determined in good faith by the Board of Directors, whose
            determination will be conclusive and evidenced by a resolution of
            the Board of Directors) declared or made subsequent to the Original
            Issue Date would exceed the sum of:
    
 
   
           (1) 50% of the Consolidated Net Income accrued during the period,
               treated as one accounting period, from the Original Issue Date to
               the end of the most recent fiscal quarter ending at least 45 days
               prior to the date of such Restricted Payment (or, in case such
               Consolidated Net Income will be a deficit, minus 100% of such
               deficit);
    
 
   
           (2) 100% of the aggregate net proceeds received by us, including the
               fair market value as determined in good faith by the Board of
               Directors, whose determination will be conclusive and evidenced
               by a resolution of the Board of Directors, of property received
               by us. However, the property must be related, ancillary or
               complementary to our business and the business of the Restricted
               Subsidiaries conducted on the Original Issue Date, as a capital
               contribution or from the issue or sale of Capital Stock, which is
               not Disqualified Stock, of us or Holdings subsequent to the
               Original Issue Date, Issuance or Sale of Capital Stock does not
               include the issuance or sale to any of our Subsidiaries or an
               employee stock ownership plan or other trust established by us or
               any of our Subsidiaries to the extent the purchase by such plan
               or trust is financed by Indebtedness of such plan or trust and
               for which we or our Subsidiary are liable, directly or
               indirectly, as a guarantor or otherwise, including by the making
               of cash contributions to such plan or trust which are used to pay
               interest or principal on such Indebtedness;
    
 
   
           (3)(A) the amount by which our Indebtedness or our Restricted
                  Subsidiaries' Indebtedness is reduced on our balance sheet
                  upon the conversion or exchange, other than by a Subsidiary,
                  of any of our or our Restricted Subsidiaries' Indebtedness
                  issued subsequent to the Original Issue Date and convertible
                  or exchangeable for our Capital Stock which is not
                  Disqualified Stock
    
 
   
               (B)the amount of any cash or other property (other than such
                  Capital Stock) distributed by us or any Restricted Subsidiary
                  upon such conversion or exchange, including any such exchange
                  pursuant to the exercise of a conversion right or privilege in
                  connection with which cash is paid in lieu of the issuance of
                  fractional shares or scrip;
    
 
   
           (4) the aggregate Net Cash Proceeds received subsequent to the
               Original Issue Date by us or Holdings, other than from any
               Restricted Subsidiary, upon the exercise of any options or
               warrants to purchase our or our parent's Capital Stock which is
               not Disqualified Stock; and
    
 
   
           (5) the amount equal to the net reduction in Investments in
               Unrestricted Subsidiaries resulting from
    
 
   
               (A) payments of dividends, repayments of the principal of loans,
                   return of capital or advances or other transfers of assets to
                   us or our Restricted Subsidiary from Unrestricted
                   Subsidiaries or
    
 
   
               (B) the redesignation of Unrestricted Subsidiaries as Restricted
                   Subsidiaries (valued in each case as provided in the
                   definition of "Investment") or the receipt of proceeds from
                   the sale or other disposition of any portion of any
    
 
                                       70
<PAGE>   76
 
   
                   Investment in an Unrestricted Subsidiary not to exceed, in
                   the case of any Unrestricted Subsidiary, the amount of
                   Investments previously made by us or our Restricted
                   Subsidiary in such Unrestricted Subsidiary, which amount was
                   included in the calculation of the amount of Restricted
                   Payments.
    
 
   
     The first paragraph of this covenant will not prohibit:
    
 
   
      (1) any purchase, redemption, retirement or other acquisition of Capital
          Stock or Subordinated Obligations of us made by exchange for, or out
          of the proceeds of the substantially concurrent sale of, our Capital
          Stock (other than Disqualified Stock and other than Capital Stock
          issued or sold to a Subsidiary or an employee stock ownership plan or
          other trust established by us or any of our Subsidiaries to the extent
          the purchase by such plan or trust is financed by Indebtedness of such
          plan or trust and for which we or our Subsidiary are liable, directly
          or indirectly, as a guarantor or otherwise, (including by the making
          of cash contributions to such plan or trust which are used to pay
          interest or principal on such Indebtedness); provided, however, that
    
 
         (A) such purchase, redemption, retirement or other acquisition will be
             excluded in the calculation of the amount of Restricted Payments
             and
 
   
         (B) the Net Cash Proceeds from such sale to the extent so used will be
             excluded from clause (4)(C)(2) of the first paragraph of this
             covenant;
    
 
   
      (2) any purchase, defeasance, retirement, redemption or other acquisition
          of
    
 
   
         (A) Subordinated Obligations of Neenah made by exchange for, or out of
             the proceeds of the substantially concurrent sale of, Indebtedness
             of Neenah which is permitted to be Incurred pursuant to the second
             paragraph of the covenant described under "Limitation on
             Indebtedness" or
    
 
   
         (B) Subordinated Obligations of a Restricted Subsidiary made by
             exchange for, or out of the proceeds of the substantially
             concurrent sale of, Indebtedness of any Restricted Subsidiary or
             Neenah which is permitted to be Incurred pursuant to the second
             paragraph of the covenant described under "Limitation of
             Indebtedness"; provided, however, that such purchase, defeasance,
             retirement, redemption or other acquisition will be excluded in the
             calculation of the amount of Restricted Payments;
    
 
   
      (3) any purchase, redemption, retirement or other acquisition of
          Disqualified Stock made by exchange for, or out of the proceeds of the
          substantially concurrent sale of, Disqualified Stock; provided,
          however, that such purchase, redemption, retirement or other
          acquisition will be excluded in the calculation of the amount of
          Restricted Payments;
    
 
   
      (4) any purchase or redemption of Subordinated Obligations from Net
          Available Cash to the extent permitted by the covenant described under
          "Limitation on Sales of Assets and Subsidiary Stock"; provided,
          however, that such purchase or redemption will be excluded in the
          calculation of the amount of Restricted Payments;
    
 
   
      (5) upon the occurrence of a change of control and within 60 days after
          the completion of the offer to repurchase the exchange notes pursuant
          to the covenant described under "Change of Control" above (including
          the purchase of all Notes tendered), any purchase, defeasance,
          retirement, redemption or other acquisition of Subordinated
          Obligations required pursuant to the terms thereof as a result of such
          change of control; provided, however, that such purchase, defeasance,
          retirement, redemption or other acquisition will be included in the
          calculation of the amount of Restricted Payments;
    
 
   
      (6) dividends paid within 60 days after the date of declaration thereof if
          at such date of declaration such dividend would have complied with
          this covenant; provided, however,
    
 
                                       71
<PAGE>   77
 
          that such dividend will be included in the calculation of the amount
          of Restricted Payments;
 
   
      (7) the repurchase, for cash or notes, of shares of, or options or
          warrants to purchase shares of, or payments to Holdings to enable
          Holdings to repurchase shares of, or options or warrants to purchase
          shares of, Capital Stock of Holdings, Neenah or any of our
          Subsidiaries from present or former Management Investors in an amount
          not in excess of $2.0 million in any one year and $5.0 million in the
          aggregate since the Original Issue Date; provided, however, that the
          amount of such repurchase will be included in the calculation of the
          amount of Restricted Payments;
    
 
   
      (8) payments in lieu of fractional shares in amount not in excess of
          $250,000 in the aggregate since the Original Issue Date;
    
 
   
      (9) payments by us to our parent to pay Federal, state and local taxes to
          the extent such taxes are attributable to us and our Restricted
          Subsidiaries; provided, however, that such payments will be excluded
          from the calculation of the amount of Restricted Payments;
    
 
   
     (10) loans, advances, dividends or distributions by us to Holdings to pay
          dividends on the common stock of Holdings following a Public Equity
          Offering of such stock; but only to the extent that such loans,
          advances, dividends or distributions do not exceed 6% per annum of the
          net proceeds received by us in such Public Equity Offering; provided,
          however, that the amount of such loans, advances, dividends or
          distributions will be included in the amount of Restricted Payments;
          or
    
 
   
     (11) in each case to the extent such payments by our parent are
          attributable to us and our Restricted Subsidiaries, payments by us to
          our parent not to exceed an amount necessary to permit our parent to
    
 
   
        (A) make payments in respect to its indemnification obligations owing to
            directors, officers or other Persons under our parent's charter or
            by-laws or pursuant to written agreements with any such Person,
    
 
   
        (B) make payments in respect of its other operational expenses, other
            than taxes, incurred in the ordinary course of business, or
    
 
        (C) make payments in respect of indemnification obligations and costs
            and expenses incurred by Holdings in connection with any offering of
            common stock of Holdings; provided, however, that all such payments
            will be included in the calculation of the amount of Restricted
            Payments.
 
   
  Limitation on Restrictions on Distributions from Restricted Subsidiaries
    
 
   
     We will not, and will not permit any Restricted Subsidiary to, create or
otherwise cause or permit to exist or become effective any consensual
encumbrance or restriction on the ability of any Restricted Subsidiary to
    
 
   
     (A) pay dividends or make any other distributions on its Capital Stock or
         pay any Indebtedness owed to us,
    
 
   
     (B) make any loans or advances to us or
    
 
   
     (C) transfer any of its property or assets to us, except:
    
 
        (1) any encumbrance or restriction pursuant to an agreement in effect at
            or entered into on the Original Issue Date;
 
   
        (2) any encumbrance or restriction with respect to a Restricted
            Subsidiary pursuant to an agreement relating to any Indebtedness
            entered into prior to the date on which such Restricted Subsidiary
            was acquired or designated as a Restricted Subsidiary by us, other
            than as consideration in, in contemplation of, or to provide all or
            any portion of the funds or credit support utilized to consummate,
            the transaction or series of related
    
                                       72
<PAGE>   78
 
   
            transactions pursuant to which such Restricted Subsidiary became a
            Restricted Subsidiary or was otherwise acquired by us;
    
 
        (3) any encumbrance or restriction pursuant to
 
           (x) an agreement constituting Refinancing Indebtedness of
               Indebtedness Incurred pursuant to an agreement referred to in
               clause (1) or (2) of this covenant or this clause (3) or
               contained in any amendment to an agreement referred to in clause
               (1) or (2) of this covenant or this clause (3) or
 
   
           (y) Indebtedness Incurred pursuant to clause (1) of the second
               paragraph of the covenant described above under the subheading
               entitled "Limitation on Indebtedness;" However, the encumbrances
               and restrictions contained in
    
 
   
               (A) any such refinancing agreement or amendment referred to in
                   clause (x) above must be, collectively, no more restrictive
                   in any material respect than the encumbrances and
                   restrictions contained in such agreements, as determined in
                   good faith by us, and
    
 
   
               (B) any instrument relating to any Indebtedness referred to in
                   clause (y) above, must be, collectively, no more restrictive,
                   as determined in good faith by us, any material respect than
                   the encumbrances and restrictions contained in the Senior
                   Bank Facilities as in effect on the Original Issue Date;
    
 
   
        (4) in the case of clause (3) above, any encumbrance or restriction
            contained in security agreements or mortgages securing Indebtedness
            of a Restricted Subsidiary which are not prohibited by the covenant
            described under the subheading entitled "Limitation on Liens" to the
            extent such encumbrances or restrictions restrict the transfer of
            the property or assets subject to such security agreements or
            mortgages;
    
 
        (5) any encumbrance or restriction existing under or by reason of
            applicable law;
 
        (6) customary non-assignment provisions of any licensing agreement or of
            any lease;
 
   
        (7) any encumbrance or restriction contained in contracts for sales of
            assets otherwise permitted by the indenture;
    
 
        (8) with respect to a Restricted Subsidiary, any encumbrance or
            restriction imposed pursuant to an agreement that has been entered
            into for the sale of all or substantially all of the Capital Stock
            of such Restricted Subsidiary; and
 
   
        (9) Purchase Money Obligations for property acquired in the ordinary
            course of business that impose restrictions of the type referred to
            in clause (3) of this covenant.
    
 
   
  Limitation on Sales of Assets and Subsidiary Stock
    
 
   
     We will not, and will not permit any Restricted Subsidiary to, make any
Asset Disposition unless:
    
 
   
     (1) we or such Restricted Subsidiary receives consideration at the time of
         such Asset Disposition at least equal to the fair market value of the
         shares and assets subject to such Asset Disposition. Consideration
         included relief from any other person assuming sole responsibility for
         any liabilities, contingent or otherwise. Fair market value will be met
         to the extent an Asset Disposition or a series of Asset Dispositions
         involves a fair market value greater than $1.0 million (and shall be
         determined, to the extent an Asset Disposition (or a series of related
         Asset Dispositions) involves a fair market value greater than $1.0
         million) fair market value will be determined in good faith by the
         Board of Directors, whose determination will be conclusive and
         evidenced by a resolution of the Board of Directors. Fair market value
         will be met to the extent an Asset Disposition or a series of Asset
         Dispositions;
    
 
                                       73
<PAGE>   79
 
   
     (2) in the case of an Asset Disposition or a series of related Asset
         Dispositions having a fair market value of $1.0 million or more, at
         least 80%, or 100% in the case of lease payments, of the consideration
         thereof received by us or such Restricted Subsidiary is in the form of
         cash or cash equivalents; and
    
 
   
     (3) an amount equal to 100% of the Net Available Cash from such Asset
         Disposition is applied by us or a Restricted Subsidiary:
    
 
   
        (A) first, to the extent we or such Restricted Subsidiary elects or is
            required by the terms of any Senior Indebtedness
    
 
   
           (1) to prepay, repay or purchase our Senior Indebtedness or Senior
               Indebtedness of a Wholly Owned Subsidiary or
    
 
   
           (2) in the case of a sale by a Restricted Subsidiary which is not a
               Wholly Owned Subsidiary to prepay, repay or purchase Senior
               Indebtedness of such Restricted Subsidiary, in each case other
               than Indebtedness owed to us or our Affiliate, within 365 days
               after the later of the date of such Asset Disposition or the
               receipt of such Net Available Cash;
    
 
   
        (B) second, to the extent of the balance of Net Available Cash after
            application in accordance with clause (A), to the extent we or such
            Restricted Subsidiary elects, to reinvest or enter into a binding
            contract to elect or reinvest in Additional Assets, including by
            means of an Investment in Additional Assets by a Restricted
            Subsidiary with Net Available Cash received by us or another
            Restricted Subsidiary, within 365 days from the later of such Asset
            Disposition or the receipt of such Net Available Cash;
    
 
        (C) third, to the extent of the balance of Net Available Cash after
            application in accordance with clauses (A) and (B), to offer to
            purchase Original Notes to the extent required by the Original
            Indenture;
 
   
        (D) fourth, to the extent of the balance of Net Available Cash after
            application in accordance with clauses (A), (B) and (C), to offer to
            purchase the Add-on Notes to the extent required by the Add-on
            indenture and the Second Add-on indenture;
    
 
   
        (E) fifth, to the extent of the balance of such Net Available Cash after
            application in accordance with clauses (A), (B), (C) and (D), to
            make an offer to purchase exchange notes pursuant to and subject to
            the conditions set forth in section of this covenant; and
    
 
   
        (F) sixth, to the extent of the balance of such Net Available Cash after
            application in accordance with clauses (A), (B), (C), (D) and (E),
            to fund any corporate purpose, to the extent consistent with any
            other applicable provision of the indenture.
    
 
   
     However, in connection with any prepayment, repayment or purchase of
Indebtedness pursuant to clause (A) above, we or our Restricted Subsidiary will
retire such Indebtedness and will cause the related loan commitment, if any, to
be permanently reduced in an amount equal to the principal amount so prepaid,
repaid or purchased.
    
 
   
     Notwithstanding the foregoing provisions of this covenant, Neenah and its
Restricted Subsidiaries will not be required to apply any Net Available Cash in
accordance with this covenant except to the extent that the aggregate Net
Available Cash from all Asset Dispositions in any year which are not applied in
accordance with this covenant exceed $5.0 million in such year.
    
 
                                       74
<PAGE>   80
 
   
     For the purposes of clause (2) of this covenant, the following are deemed
to be cash
    
 
   
     (w) the assumption of Indebtedness of Neenah, other than Disqualified Stock
         of Neenah, or any Restricted Subsidiary and the release of Neenah or
         such Restricted Subsidiary from all liability on such Indebtedness in
         connection with such Asset Disposition,
    
 
   
     (x) securities received by Neenah or any Restricted Subsidiary from the
         transferee that are promptly converted by Neenah or such Restricted
         Subsidiary into cash,
    
 
   
     (y) Indebtedness of any Restricted Subsidiary that is no longer a
         Restricted Subsidiary as a result of such Asset Disposition, to the
         extent that Neenah and each other Restricted Subsidiary is released
         from any Guarantee of such Indebtedness in connection with such Asset
         Disposition, and
    
 
   
     (z) consideration consisting of Indebtedness of Neenah or any Restricted
Subsidiary.
    
 
   
     In the event of an Asset Disposition that requires the purchase of exchange
notes pursuant to clause (3)(E) of the first paragraph of this covenant, Neenah
will be required to purchase exchange notes tendered pursuant to an offer.
Neenah's offer for the exchange notes will commence within 30 days following the
expiration of the 365 day period referred to in clause (3)(B) of the first
paragraph of this covenant or, if Neenah so elects, at any time within such 365
day period. The purchase price will be 100% of the principal amount of the
exchange of notes plus accrued and unpaid interest, if any, to the date of
purchase in accordance with the procedures, including prorationing in the event
of oversubscription set forth in the indenture.
    
 
   
     If the aggregate purchase price of exchange notes tendered pursuant to the
offer is less than the Net Available Cash allotted to the purchase of the
exchange notes, Neenah will apply the remaining Net Available Cash in accordance
with clause (3)(F) of the first paragraph of this covenant. Upon completion of
the purchase of the notes tendered pursuant to the offer, the remaining amount
of Net Available Cash, if any, will be reset at zero.
    
 
   
     Neenah will not be required to make an offer for exchange notes pursuant to
this covenant if the Net Available Cash available after application of the
proceeds as provided in clauses (A) and (B) of section (3) of the first
paragraph of this covenant is less than $5.0 million, which lesser amount will
be carried forward for purposes of determining whether an offer is required with
respect to the Net Available Cash from any subsequent Asset Disposition.
    
 
   
     Neenah will comply, to the extent applicable, with the requirements of
Section 14(e) of the Exchange Act and any other securities laws or regulations
in connection with the repurchase of Notes pursuant to this covenant. To the
extent that the provisions of any securities laws or regulations conflict with
provisions of this covenant, Neenah will comply with the applicable securities
laws and regulations and will not be deemed to have breached its obligations
under this covenant of the indenture.
    
 
   
     Limitation on Transactions with Affiliates.  Neenah will not, and will not
permit any Restricted Subsidiary to, directly or indirectly, enter into or
conduct any transaction, including the purchase, sale, lease or exchange of any
property or the rendering of any service, with any Affiliate of Neenah (an
"Affiliate Transaction") on terms
    
 
   
     (1) that are less favorable to Neenah or such Restricted Subsidiary, as the
         case may be, than those that could be obtained at the time of such
         transaction in arm's-length dealings with a Person who is not such an
         Affiliate and
    
 
   
     (2) that, in the event such Affiliate Transaction involves an aggregate
         amount in excess of $1.0 million, are not in writing and have not been
         approved by a majority of the members of the Board of Directors having
         no material direct or indirect financial interest in or with respect to
         such Affiliate Transaction.
    
 
                                       75
<PAGE>   81
 
In addition, if such Affiliate Transaction involves an amount in excess of $5.0
million, a fairness opinion must be obtained from a nationally recognized
appraisal or investment banking firm.
 
   
     The restrictions outlined in the first paragraph of this covenant will not
prohibit
    
 
   
     (1) any Restricted Payment or Permitted Investment permitted to be made
         pursuant to the covenant described under the subheading entitled
         "Limitation on Restricted Payments,"
    
 
   
     (2) fees, compensation or employee benefit arrangements paid to, and any
         indemnity provided for the benefit of, directors, officers or employees
         of Neenah, Neenah's parent or any Subsidiary of Neenah in the ordinary
         course of business or any Indebtedness permitted to be Incurred
         pursuant to clause (7) of the second paragraph of the covenant
         described under the subheading entitled "Limitation on Indebtedness,"
         or any payments in respect thereof,
    
 
   
     (3) any issuance of securities, or other payments, awards or grants in
         cash, securities or otherwise pursuant to, or the funding of,
         employment arrangements, stock options and stock ownership plans
         approved by the Board of Directors,
    
 
   
     (4) transactions pursuant to agreements entered into or in effect on the
         Original Issue Date, including amendments thereto entered into after
         the Original Issue Date, provided that the terms of any such amendment
         are not, in the aggregate, less favorable to Neenah or such Restricted
         Subsidiary than the terms of such agreement prior to such amendment,
    
 
   
     (5) loans or advances to employees that are Affiliates of Neenah in the
         ordinary course of business, but in any event not to exceed $2.0
         million in the aggregate outstanding at any one time,
    
 
   
     (6) any transaction between Neenah and a Restricted Subsidiary or between
         Restricted Subsidiaries, so long as the other stockholders of any
         participating Restricted Subsidiaries which are not Wholly Owned
         Subsidiaries are not themselves Affiliates of Neenah or
    
 
   
     (7) payments with respect to Indebtedness Incurred pursuant to clause (8)
         of the second paragraph of the covenant described under the subheading
         entitled "Limitation on Indebtedness."
    
 
   
  Limitation on the Sale or Issuance of Capital Stock of Restricted Subsidiaries
    
 
   
     Neenah will not sell any shares of Capital Stock of a Restricted
Subsidiary, and will not permit any Restricted Subsidiary, directly or
indirectly, to issue or sell any shares of its Capital Stock, except
    
 
   
     (1) to Neenah or a Wholly Owned Subsidiary,
    
 
   
     (2) if, immediately after giving effect to such issuance or sale, such
         Restricted Subsidiary would no longer constitute a Restricted
         Subsidiary,
    
 
   
     (3) directors' qualifying shares or
    
 
   
     (4) in a Public Equity Offering as a result of or after which a Public
         Market exists.
    
 
   
The proceeds of any sale of such Capital Stock permitted by clause (2) must be
treated as Net Available Cash from an Asset Disposition and must be applied in
accordance with the terms of the covenant described under the subheading
entitled "Limitation on Sales of Assets and Subsidiary Stock."
    
 
                                       76
<PAGE>   82
 
   
  Limitation on Liens
    
 
   
     Neenah will not, and will not permit any guarantor subsidiary to, directly
or indirectly, create or permit to exist any Lien (the "Initial Lien") on any of
its property or assets, including Capital Stock, whether owned on the Original
Issue Date or thereafter acquired, securing any Indebtedness other than
    
 
   
     (1) in the case of Neenah, Senior Indebtedness of Neenah or
    
 
   
     (2) in the case of a guarantor subsidiary, Senior Indebtedness of a
         guarantor subsidiary unless contemporaneously therewith effective
         provision is made to secure the Notes.
    
 
   
     In the case of Liens on any guarantor subsidiary's property or assets, the
Subsidiary Guaranty of such guarantor subsidiary effective provision is made to
secure the Notes equally and ratably with, or on a senior basis to, in the case
of Indebtedness expressly subordinated in right of payment to the exchange notes
and such Subsidiary Guaranty, such obligation for so long as such obligation is
so secured. The preceding sentence will not require Neenah or any Restricted
Subsidiary to equally and ratably secure the Notes if the Initial Lien consists
of Permitted Liens.
    
 
   
     Any Lien created for the benefit of the Holders of the exchange notes
pursuant to the paragraphs above shall provide by its terms that such Lien shall
be automatically and unconditionally released and discharged upon the release
and discharge of the Initial Lien.
    
 
   
  SEC Reports
    
 
   
     Notwithstanding that Neenah may not be required to be or remain subject to
the reporting requirements of Section 13 or 15(d) of the Exchange Act, Neenah
will file with the Commission, and provide the Trustee and Noteholders and
prospective Exchange Noteholders (upon request) with, the annual reports and the
information, documents and other reports which are specified in Sections 13 and
15(d) of the Exchange Act. Neenah also will comply with the other provisions of
TIA Sec. 314(a).
    
 
   
  Future Guarantor Subsidiaries
    
 
   
     Neenah will cause
    
 
   
     (a) each Restricted Subsidiary that is a Domestic Subsidiary which Incurs
         Indebtedness and
    
 
   
     (b) each Restricted Subsidiary that is not a Domestic Subsidiary and that
         after the Issue Date enters into a Guarantee of any of the obligations
         of Neenah, Neenah's parent or any of Neenah's Subsidiaries pursuant to
         the senior bank facilities to execute and deliver to the Trustee a
         supplemental indenture pursuant to which such Subsidiary will Guarantee
         payment of the exchange notes.
    
 
   
     However, such Subsidiary shall not be required to execute and deliver a
supplemental indenture pursuant to this section in the event that such
Subsidiary is a party to the indenture or the supplemental indenture at the time
of such Incurrence of Indebtedness. Each Subsidiary Guaranty will be limited to
an amount not to exceed the maximum amount that can be Guaranteed by that
Subsidiary without rendering the Subsidiary Guaranty, as it relates to such
Subsidiary, voidable under applicable law relating to fraudulent conveyance or
fraudulent transfer or similar laws affecting the rights of creditors generally.
    
 
                                       77
<PAGE>   83
 
   
  Limitation on Lines of Business
    
 
   
     Neenah will not, and will not permit any Restricted Subsidiary to, engage
in any business other than
    
 
   
     (1) a Related Business and
    
 
   
     (2) the making of Permitted Investments and the operations of any business
         that is part of a Permitted Investment. Holdings will not engage in any
         business other than managing its investment in Neenah.
    
 
   
  Limitation on Sale/Leaseback Transactions
    
 
   
     Neenah will not, and will not permit any Restricted Subsidiary to, enter
into any Sale/Leaseback Transaction with respect to any property unless
    
 
   
     (1) Neenah or such Restricted Subsidiary would be entitled to Incur
         Indebtedness in an amount equal to the Attributable Debt with respect
         to such Sale/Leaseback Transaction pursuant to the covenant described
         under the subheading entitled "Limitation on Indebtedness" and
    
 
   
     (2) the net cash proceeds received by Neenah or any Restricted Subsidiary
         in connection with such Sale/Leaseback Transaction are at least equal
         to the fair market value (in the case of Sale/Leaseback Transactions
         involving amounts in excess of $1.0 million, as determined by the Board
         of Directors, whose determination will be conclusive and evidenced by a
         resolution of the Board of Directors) of such property and
    
 
   
     (3) the transfer of such property is permitted by, and Neenah applies the
         proceeds of such transaction in compliance with, the covenant described
         under the subheading entitled "Limitation on Sale of Assets and
         Subsidiary Stock."
    
 
MERGER AND CONSOLIDATION
 
   
     Neenah will not consolidate with or merge with or into, or convey, transfer
or lease all or substantially all its assets to, any Person, unless:
    
 
   
     (1) the resulting, surviving or transferee Person (the "successor company")
         will be a corporation, limited liability company, limited partnership
         or business trust organized and existing under the laws of the United
         States of America, any State thereof or the District of Columbia and
         the successor company, if not Neenah, will expressly assume by an
         indenture supplemental hereto executed and delivered to the Trustee, in
         form satisfactory to the Trustee, all the obligations of Neenah under
         the exchange notes and the indenture;
    
 
   
     (2) immediately after giving effect to such transaction, and treating any
         Indebtedness which becomes an obligation of the successor company or
         any Restricted Subsidiary as a result of such transaction as having
         been Incurred by the successor company or such Restricted Subsidiary at
         the time of such transaction, no Default will have occurred and be
         continuing;
    
 
   
     (3) except in the case of a merger the sole purpose of which is to change
         Neenah's jurisdiction of incorporation, immediately after giving effect
         to such transaction, the successor company would be able to Incur an
         additional $1.00 of Indebtedness under the first paragraph of the
         covenant described under the subheading entitled "Limitation on
         Indebtedness;"
    
 
   
     (4) immediately after giving effect to such transaction, the successor
         company will have Consolidated Net Worth in an amount which is not less
         than the Consolidated Net Worth of Neenah immediately prior to such
         transaction and
    
 
   
     (5) Neenah will have delivered to the Trustee an Officers' Certificate and
         an Opinion of Counsel, each stating that such consolidation, merger or
         transfer and such supplemental indenture (if any) comply with the
         indenture.
    
                                       78
<PAGE>   84
 
   
     However, clauses (2), (3) and (4) above do not prohibit any Restricted
Subsidiary from consolidating with, merging into or transferring all or part of
its properties and assets to Neenah.
    
 
   
     The successor company will succeed to, and be substituted for, and may
exercise every right and power of, Neenah under the indenture. However, the
predecessor company in the case of a conveyance, transfer or lease of all or
substantially all its assets will not be released from the obligation to pay the
principal of and interest on the exchange notes.
    
 
DEFAULTS
 
   
     Each of the following is an event of default:
    
 
   
     (1) a default in any payment of interest on any exchange note when due,
         whether or not such payment is prohibited by the provisions described
         under the heading "Ranking" above, continued for 30 days;
    
 
   
     (2) a default in the payment of principal of any exchange note when due at
         its Stated Maturity upon
    
 
   
          - optional redemption,
    
 
   
          - upon required repurchase,
    
 
   
          - upon declaration or
    
 
   
          - otherwise, whether or not such payment is prohibited by the
            provisions described under the heading "Ranking" above;
    
 
   
     (3) the failure by Neenah to comply with its obligations under the covenant
         described under the heading "Merger and Consolidation" above;
    
 
   
     (4) the failure by Neenah to comply for 30 days after notice with any of
         its obligations under the covenants described under the heading "Change
         of Control" or "Certain Covenants" above, in each case, other than a
         failure to purchase exchange notes;
    
 
   
     (5) the failure by Neenah or any guarantor subsidiary to comply for 60 days
         after notice with its other agreements contained in the exchange notes
         or the indenture;
    
 
   
     (6) the failure by Neenah or any Significant Subsidiary to pay any
         Indebtedness within any applicable grace period after final maturity or
         the acceleration of any such Indebtedness by the holders thereof
         because of a default, if the total amount of such Indebtedness unpaid
         or accelerated exceeds $5.0 million or its foreign currency equivalent;
    
 
   
     (7) certain events of bankruptcy, insolvency or reorganization of Neenah or
         a Restricted Subsidiary;
    
 
   
     (8) the rendering of any judgment or decree in excess of $5.0 million or
         its foreign currency equivalent (net of amounts paid within 30 days of
         any such judgment or decree under any insurance, indemnity, bond,
         surety or similar instrument) against Neenah or a Restricted Subsidiary
         by a court or other adjudicatory authority of competent jurisdiction
         for which Neenah or the Restricted Subsidiary, as applicable, is not
         fully insured by a third Person and
    
 
          (A) an enforcement proceeding is commenced with respect to such
              judgment or decree or
 
          (B) such judgment or decree remains outstanding the later of
 
   
             (1) the day which is the sixtieth day after the judgment is
                 rendered and
    
 
   
             (2) the day on which any right to appeal expires (the "judgment
                 default provision"); or
    
 
                                       79
<PAGE>   85
 
   
     (9) any Subsidiary Guaranty ceases to be in full force and effect, except
         as contemplated by the terms thereof, or any guarantor subsidiary
         denies or disaffirms its obligations under the indenture or any
         Subsidiary Guaranty and such Default continues for 10 days.
    
 
   
     The events listed in clauses (1)-(9) above constitute events of default
whatever the reason for any such event of default and whether it is voluntary or
involuntary or is effected by operation of law or pursuant to any judgment,
decree or order of any court or any order, rule or regulation of any
administrative or governmental body.
    
 
   
     However, a default under clauses (4) or (5) above will not constitute an
event of default until
    
 
   
     (a) the Trustee or the Holders of 25% in principal amount of the
         outstanding notes notify Neenah of the default and
    
 
   
     (b) Neenah does not cure such default within the time specified in clauses
         (4) and (5) hereof after receipt of such notice.
    
 
   
     If an event of default occurs and is continuing, the Trustee or the Holders
of at least 25% in principal amount of the outstanding exchange notes by notice
to Neenah may declare the principal of and accrued but unpaid interest on all
the exchange notes to be due and payable. Upon such a declaration, such
principal and interest will be due and payable immediately.
    
 
   
     If an event of default relating to certain events of bankruptcy, insolvency
or reorganization of Neenah occurs and is continuing, the principal of and
interest on all the exchange notes will become immediately due and payable
without any declaration or other act on the part of the Trustee or any Holders.
Under certain circumstances, the Holders of a majority in principal amount of
the outstanding exchange notes may rescind any such acceleration with respect to
the exchange notes and its consequences.
    
 
   
     Subject to the provisions of the indenture relating to the duties of the
Trustee, in case an event of default occurs and is continuing, the Trustee will
be under no obligation to exercise any of the rights or powers under the
indenture at the request or direction of any of the Holders unless such Holders
have offered to the Trustee reasonable indemnity or security against any loss,
liability or expense.
    
 
   
     Except to enforce the right to receive payment of principal, any premiums
or interest when due, no Holder may pursue any remedy with respect to the
indenture or the exchange notes unless
    
 
   
     (1) such Holder has previously given the Trustee notice that an event of
         default is continuing,
    
 
   
     (2) Holders of at least 25% in principal amount of the outstanding exchange
         notes have requested the Trustee to pursue the remedy,
    
 
   
     (3) such Holders have offered the Trustee reasonable security or indemnity
         against any loss, liability or expense,
    
 
   
     (4) the Trustee has not complied with such request within 60 days after the
         receipt of the request and the offer of security or indemnity and
    
 
   
     (5) the Holders of a majority in principal amount of the outstanding
         exchange notes have not given the Trustee a direction inconsistent with
         such request within such 60-day period.
    
 
   
     Subject to certain restrictions, the Holders of a majority in principal
amount of the outstanding exchange notes are given the right to direct the time,
method and place of conducting any proceeding for any remedy available to the
Trustee or of exercising any trust or power conferred on the Trustee. The
Trustee, however, may refuse to follow any direction that conflicts with law or
the indenture or that the Trustee determines is unduly prejudicial to the rights
of any other Holder or that would involve the Trustee in personal liability.
Prior to taking any action under the indenture, the Trustee will be entitled to
indemnification satisfactory to it in its sole discretion against all losses and
expenses caused by taking or not taking such action.
    
                                       80
<PAGE>   86
 
   
     The indenture provides that if a Default occurs and is continuing and is
known to the Trustee, the Trustee must mail to each Holder notice of the Default
within the earlier of 90 days after it occurs or 30 days after it is known to a
Trust Officer or written notice of it is received by the Trustee. Except in the
case of a Default in the payment of principal of, premium, if any, or interest
on any Note, the Trustee may withhold notice if and so long as a committee of
its Trust Officers in good faith determines that withholding notice is in the
interests of the Noteholders.
    
 
   
     In addition, Neenah is required to deliver to the Trustee, within 120 days
after the end of each fiscal year, a certificate indicating whether the signers
thereof know of any Default that occurred during the previous year. Neenah also
is required to deliver to the Trustee, within 30 days after the occurrence
thereof, written notice of any event which would constitute certain Defaults,
their status and what action Neenah is taking or proposes to take in respect
thereof.
    
 
AMENDMENTS AND WAIVERS
 
   
     The indenture may be amended with the consent of the Holders of a majority
in principal amount of the exchange notes then outstanding and any past default
and its consequences or compliance with any provisions may be waived with the
consent of the Holders of a majority in principal amount of the exchange notes
then outstanding. However, without the consent of each Holder of an outstanding
exchange note affected, no amendment may
    
 
   
     (1) reduce the amount of exchange notes whose Holders must consent to an
         amendment or waiver,
    
 
   
     (2) reduce the rate of or extend the time for payment of interest on any
         exchange note,
    
 
   
     (3) reduce the principal of or extend the Stated Maturity of any exchange
         note,
    
 
   
     (4) reduce the premium payable upon the redemption of any exchange note or
         change the time at which any exchange note may be redeemed as described
         under the heading "Optional Redemption" above,
    
 
   
     (5) make any exchange note payable in money other than that stated in the
         exchange note,
    
 
   
     (6) impair the right of any Holder to receive payment of principal of and
         interest on such Holder's exchange notes on or after the due dates
         therefor or to institute suit for the enforcement of any payment on or
         with respect to such Holder's exchange notes,
    
 
   
     (7) make any change in the amendment provisions which require each Holder's
         consent or in the waiver provisions or
    
 
   
     (8) make any change in any Subsidiary Guaranty that would adversely affect
         the Exchange Noteholders.
    
 
   
     Without the consent of any Holder, we and the Trustee may amend the
indenture
    
 
   
     (1) to cure any ambiguity, omission, defect or inconsistency,
    
 
   
     (2) to provide for the assumption by a successor corporation of the
         obligations of Neenah under the indenture,
    
 
   
     (3) to provide for uncertificated exchange notes in addition to or in place
         of certificated exchange notes; provided that the uncertificated
         exchange notes are issued in registered form for purposes of Section
         163(f) of the Code, or in a manner such that the uncertificated
         exchange notes are described in Section 163(f)(2)(B) of the Code,
    
 
   
     (4) to add further Guarantees with respect to the exchange notes,
    
 
   
     (5) to release guarantor subsidiaries when permitted by the indenture, to
         secure the exchange notes,
    
 
                                       81
<PAGE>   87
 
   
     (6) to add to the covenants of Neenah for the benefit of the Exchange
         Noteholders or to surrender any right or power conferred upon Neenah,
    
 
   
     (7) to make any change that does not adversely affect the rights of any
         Holder, or
    
 
   
     (8) to comply with any requirement of the Commission in connection with the
         qualification of the indenture under the TIA.
    
 
   
     The consent of the Exchange Noteholders is not necessary under the
indenture to approve the particular form of any proposed amendment. It is
sufficient if such consent approves the substance of the proposed amendment.
    
 
   
     After an amendment under the indenture becomes effective, Neenah is
required to mail to Exchange Noteholders a notice briefly describing such
amendment. However, the failure to give such notice to all Exchange Noteholders,
or any defect therein, will not impair or affect the validity of the amendment.
    
 
TRANSFER AND EXCHANGE
 
   
     A Holder may transfer or exchange notes in accordance with the indenture.
The Registrar and the Trustee may require a Holder, among other things, to
furnish appropriate endorsements and transfer documents and we may require a
Holder to pay any taxes and fees required by law or permitted by the indenture.
We are not required to transfer or exchange any note selected for redemption.
Also, we are required to transfer or exchange any note for a period of 15 days
before a selection of notes to be redeemed.
    
 
   
     The registered Holder of a note will be treated as the owner of it for all
purposes.
    
 
DEFEASANCE
 
   
     We may, at our option and at any time, terminate our obligations under the
exchange notes and the indenture and elect to have all of our obligations
discharged with respect to the outstanding exchange notes and the indenture
("legal defeasance") except for those obligations respecting the defeasance
trust and obligations:
    
 
   
     (1) to register the transfer or exchange of the exchange notes,
    
 
   
     (2) to replace mutilated, destroyed, lost or stolen exchange notes and
    
 
   
     (3) to maintain a registrar and paying agent in respect of the exchange
         notes.
    
 
   
     Neenah at any time may terminate its obligations under the covenants
described under the heading "Certain Covenants," the operation of the cross
acceleration provision, the bankruptcy default provisions with respect to
Subsidiaries and the judgment default provision described under the heading
"Defaults" above and the limitations contained in clauses (3) and (4) under
"Merger and Consolidation" above. If Neenah exercises its legal defeasance
option or its covenant defeasance option, each guarantor subsidiary will be
released from all of its obligations with respect to its Subsidiary Guaranty.
    
 
   
     Neenah may exercise its legal defeasance option notwithstanding its prior
exercise of its covenant defeasance option. If Neenah exercises its legal
defeasance option, payment of the exchange notes may not be accelerated because
of an event of default with respect thereto. If Neenah exercises its covenant
defeasance option, payment of the exchange notes may not be accelerated because
of an event of default specified in clause (4), (6), (7) (with respect to
Restricted Subsidiaries only), (8) (with respect to Significant Subsidiaries
only), (9) or (10) under the heading "Defaults" above or because of the failure
of Neenah to comply with clause (3) or (4) under the heading "Merger and
Consolidation" above.
    
 
   
     Defeasance options with respect to the exchange notes may be exercised to
any redemption date or the applicable maturity date. In order to exercise either
defeasance option, Neenah must irrevocably deposit in trust with the Trustee
money or U.S. Government Obligations for the payment
    
 
                                       82
<PAGE>   88
 
   
of principal, any premiums, and interest on the notes to redemption or maturity.
Neenah must also comply with other conditions including
    
 
   
     (1) delivery to the Trustee of an Opinion of Counsel to the effect that
         holders of the exchange notes will not recognize income, gain or loss
         for Federal income tax purposes as a result of such deposit and
    
 
   
     (2) defeasance and will be subject to Federal income tax on the same amount
         and in the same manner and at the same times as would have been the
         case if such deposit and defeasance had not occurred. In the case of
         legal defeasance only, the Opinion of Counsel must be based on a ruling
         of the Internal Revenue Service or other change in applicable Federal
         income tax law.
    
 
   
     Neenah will not be permitted to exercise either defeasance option described
above with respect to the exchange notes unless it defeases Existing Notes
equivalently and substantially simultaneously. Similarly, Neenah will not be
permitted to defease old notes unless it defeases the Notes equivalently and
substantially simultaneously.
    
 
CONCERNING THE TRUSTEE
 
   
     United States Trust Company of New York will be the Trustee under the
indenture and has been appointed by Neenah as Registrar and Paying Agent with
regard to the exchange notes.
    
 
GOVERNING LAW
 
   
     The indenture and the exchange notes will be governed by, and construed in
accordance with, the laws of the State of New York without giving effect to
applicable principles of conflicts of law to the extent that the application of
the law of another jurisdiction would be required thereby.
    
 
CERTAIN DEFINITIONS
 
     "ACP Holdings" means ACP Holding Company, a Delaware corporation.
 
     "ACP Products, L.L.C." means ACP Products, L.L.C., a Delaware limited
liability company.
 
   
     "Additional Assets" means:
    
 
   
     (1) any property or assets (other than Indebtedness and Capital Stock),
         including improvements to existing assets, to be used by us or a
         Restricted Subsidiary in a Related Business;
    
 
   
     (2) the Capital Stock of a Person that becomes a Restricted Subsidiary as a
         result of the acquisition of such Capital Stock by us or another
         Restricted Subsidiary; or
    
 
   
     (3) Capital Stock constituting a minority interest in any Person that at
         such time is a Restricted Subsidiary; provided, however, that, in the
         case of clauses (2) and (3), such Restricted Subsidiary is primarily
         engaged in a Related Business.
    
 
   
     "Add-on Indenture" means the indenture dated July 1, 1997 among Neenah
Corporation, our subsidiaries party thereto, and the Trustee, as amended.
    
 
   
     "Add-on Notes" means:
    
 
   
     (1) Neenah's 11 1/8% Series C Senior Subordinated Notes due 2007 issued
         under the Add-on Indenture;
    
 
   
     (2)any of Neenah's 11 1/8% Series D Senior Subordinated Notes due 2007
        exchanged therefor; and
    
 
                                       83
<PAGE>   89
 
   
     (3) Neenah's 11 1/8% Series E Senior Subordinated Notes due 2007 issued
         under the Second Add-on Indenture.
    
 
     "Affiliate" of any specified Person means any other Person, directly or
indirectly, controlling or controlled by or under direct or indirect common
control with such specified Person.
 
     For the purposes of this definition, "control" when used with respect to
any Person means the power to direct the management and policies of such Person,
directly or indirectly, whether through the ownership of voting securities, by
contract or otherwise; and the terms "controlling" and "controlled" have
meanings correlative to the foregoing.
 
   
     For purposes of the provisions described under the heading "Certain
Covenants -- Limitation on Transactions with Affiliates" only, "Affiliate" shall
also mean any beneficial owner of shares representing 5% or more of the total
voting power of the Voting Stock, on a fully diluted basis, of Neenah or of
rights or warrants to purchase such Voting Stock (whether or not currently
exercisable) and any Person who would be an Affiliate of any such beneficial
owner pursuant to the first sentence hereof.
    
 
   
     "Applicable Premium" means, with respect to an exchange note, the greater
of:
    
 
   
     (1) 1.0% of the then outstanding principal amount of such exchange note;
         and
    
 
   
     (2) the excess of (A) the present value of all remaining required interest
         and principal payments due on such exchange note, computed using a
         discount rate equal to the Treasury Rate plus 75 basis points, over (B)
         the then outstanding principal amount of such exchange note.
    
 
   
     "Asset Disposition" means any sale, lease, transfer or other disposition of
shares of Capital Stock of a Restricted Subsidiary (other than directors'
qualifying shares), property or assets (each referred to for the purposes of
this definition as a "disposition") by us or any of our Restricted Subsidiaries
(including any disposition by means of a merger, consolidation or similar
transaction) other than:
    
 
   
     (1) a disposition by a Restricted Subsidiary to us or by us or a Restricted
         Subsidiary to a Restricted Subsidiary;
    
 
   
     (2) a disposition of inventory, in the ordinary course of business
         consistent with our and our subsidiaries past practices;
    
 
   
     (3) dispositions with a fair market value of less than $500,000 in the
         aggregate in any fiscal year;
    
 
   
     (4) a disposition of properties and assets that is governed by the
         provisions under the first paragraph of the heading "Merger and
         Consolidation" above; and
    
 
   
     (5) for purposes of the provisions described under "-- Certain
         Covenants -- Limitation on Sales of Assets and Subsidiary Stock" only,
         a disposition subject to the covenant described under the heading
         "Certain Covenants -- Limitation on Restricted Payments."
    
 
   
     "Attributable Debt" in respect of a Sale/Leaseback Transaction means, as at
the time of determination, the present value (discounted at the interest rate
assumed in making calculations in accordance with FAS 13) of the total
obligations of the lessee for rental payments during the remaining term of the
lease included in such Sale/Leaseback Transaction, including any period for
which such lease has been extended.
    
 
     "Average Life" means, as of the date of determination, with respect to any
Indebtedness or Preferred Stock, the quotient obtained by dividing
 
   
     (1) the sum of the products of the numbers of years from the date of
         determination to the dates of each successive scheduled principal
         payment of such Indebtedness or scheduled
    
                                       84
<PAGE>   90
 
         redemption or similar payment with respect to such Preferred Stock
         multiplied by the amount of such payment by
 
   
     (2) the sum of all such payments.
    
 
   
     "Bank Indebtedness" means any and all amounts payable under or in respect
of the Senior Bank Facilities or any refinancing or replacements thereof
including principal, any premiums, interest (including interest accruing on or
after the filing of any petition in bankruptcy or for reorganization relating to
Neenah whether or not a claim for post-filing interest is allowed in such
proceeding), fees, charges, expenses, reimbursement obligations, guarantees and
all other amounts payable thereunder or in respect thereof.
    
 
   
     "Board of Directors" means Neenah's Board of Directors or any committee
thereof duly authorized to act on behalf of such Board.
    
 
     "Borrowing Base" means, as of the date of determination, an amount equal to
the sum, without duplication, of
 
   
     (1) 80% of the net book value of Neenah's accounts receivable at such date
         and
    
 
   
     (2) 50% of the net book value of Neenah's inventories at such date. Net
         book value shall be determined in accordance with GAAP and shall be
         that reflected on the most recent available balance sheet, it being
         understood that the accounts receivable and inventories of an acquired
         business may be included if such acquisition has been completed on or
         prior to the date of determination.
    
 
     "Business Day" means a day other than a Saturday, Sunday or other day on
which banking institutions in New York State are authorized or required by law
to close.
 
     "Capital Stock" of any Person means any and all shares, interests, rights
to purchase, warrants, options, participations or other equivalents of or
interests in (however designated) equity of such Person, including any Preferred
Stock, but excluding any debt securities convertible into such equity.
 
     "Capitalized Lease Obligations" means an obligation that is required to be
classified and accounted for as a capitalized lease for financial reporting
purposes in accordance with GAAP. The amount of Indebtedness represented by a
Capitalized Lease Obligation shall be the capitalized amount of such obligation
determined in accordance with GAAP, and the Stated Maturity thereof shall be the
date of the last scheduled payment of rent or any other amount due under the
relevant lease.
 
     "Citicorp" means Citicorp, a Delaware corporation.
 
     "Code" means the Internal Revenue Code of 1986, as amended.
 
     "Commodity Agreement" means one or more of the following agreements entered
into by a Person and one or more financial institutions: commodity future
contracts, forward contracts, options or other similar arrangements or
agreements designed to protect against fluctuations in the price of, or the
shortage of supply of, commodities from time to time.
 
     "Consolidated Coverage Ratio" as of any date of determination means the
ratio of
 
   
     (A) the aggregate amount of EBITDA for the period of the most recent four
         consecutive fiscal quarters ending at least 45 days prior to the date
         of such determination to
    
 
                                       85
<PAGE>   91
 
   
     (B)Consolidated Interest Expense for such four fiscal quarters; provided,
        however, that:
    
 
   
        (1) if Neenah or any Restricted Subsidiary has Incurred any Indebtedness
            since the beginning of such period that remains outstanding on such
            date of determination or if the transaction giving rise to the need
            to calculate the Consolidated Coverage Ratio is an Incurrence of
            Indebtedness, EBITDA and Consolidated Interest Expense for such
            period shall be calculated after giving effect on a pro forma basis
            to such Indebtedness and the application of the proceeds thereof as
            if such Indebtedness had been Incurred on the first day of such
            period and the discharge of any other Indebtedness repaid,
            repurchased, defeased or otherwise discharged with the proceeds of
            such new Indebtedness as if such discharge had occurred on the first
            day of such period, except that in the case of Indebtedness to
            finance seasonal fluctuations in working capital needs Incurred
            under a revolving credit or similar arrangement, the amount thereof
            shall be deemed to be the average daily balance of such Indebtedness
            during such four quarter period;
    
 
   
        (2) if since the beginning of such period Neenah or any Restricted
            Subsidiary shall have disposed of any assets constituting all or
            substantially all of the assets of an operating unit of a business
            (a "Disposal"),
    
 
           (x) the EBITDA for such period shall be reduced by an amount equal to
               the EBITDA (if positive) directly attributable to the assets
               which are the subject of such Disposal for such period or
               increased by an amount equal to the EBITDA (if negative) directly
               attributable thereto for such period and
 
   
           (y) Consolidated Interest Expense for such period shall be reduced by
               an amount equal to the Consolidated Interest Expense directly
               attributable to any Indebtedness of Neenah or any Restricted
               Subsidiary repaid, repurchased, defeased or otherwise discharged
               with respect to Neenah and its continuing Restricted Subsidiaries
               in connection with such Disposal for such period (or, if the
               Capital Stock of any Restricted Subsidiary is sold, the
               Consolidated Interest Expense for such period directly
               attributable to the Indebtedness of such Restricted Subsidiary to
               the extent Neenah and its continuing Restricted Subsidiaries are
               no longer liable for such Indebtedness after such sale);
    
 
   
        (3) if since the beginning of such period Neenah or any Restricted
            Subsidiary (by merger or otherwise) shall have made an Investment in
            any Restricted Subsidiary (or any Person which becomes a Restricted
            Subsidiary) or an acquisition of assets, including any acquisition
            of assets occurring in connection with a transaction causing a
            calculation to be made hereunder, which constitutes all or
            substantially all of the assets of an operating unit of a business,
            EBITDA and Consolidated Interest Expense for such period shall be
            calculated after giving pro forma effect thereto (including the
            Incurrence of any Indebtedness in connection therewith) as if such
            Investment or acquisition occurred on the first day of such period;
            and
    
 
   
        (4) if since the beginning of such period any Person (that subsequently
            became a Restricted Subsidiary or was merged with or into Neenah or
            any Restricted Subsidiary since the beginning of such period) shall
            have made any Disposal or any Investment or acquisition of assets
            that would have required an adjustment pursuant to clause (2) or (3)
            above if made by Neenah or a Restricted Subsidiary during such
            period, EBITDA and Consolidated Interest Expense for such period
            shall be calculated after giving pro forma effect thereto as if such
            Disposal, Investment or acquisition of assets occurred on the first
            day of such period.
    
 
     For purposes of this definition, whenever pro forma effect is to be given
to an acquisition of assets, the amount of income or earnings relating thereto
and the amount of Consolidated Interest
                                       86
<PAGE>   92
 
   
Expense associated with any Indebtedness Incurred in connection therewith, the
pro forma calculations shall be determined in good faith by a responsible
financial or accounting Officer of Neenah. If any Indebtedness bears a floating
rate of interest and is being given pro forma effect, the interest expense on
such Indebtedness shall be calculated as if the rate in effect on the date of
determination had been the applicable rate for the entire period (taking into
account any Interest Rate Agreement applicable to such Indebtedness if such
Interest Rate Agreement has a remaining term as at the date of determination in
excess of 12 months).
    
 
   
     If any Indebtedness bears, at the option of Neenah or a Restricted
Subsidiary, a fixed or floating rate of interest and is being given pro forma
effect, then
    
 
   
     (1) if any interest had accrued on such Indebtedness prior to the date of
         determination, the interest expense on such Indebtedness shall be
         computed by applying a fixed or floating rate of interest as selected
         by Neenah or such Restricted Subsidiary for the interest period
         immediately preceding such determination or
    
 
   
     (2) if no interest accrued on such Indebtedness prior to the date of
         determination, the interest expense on such Indebtedness shall be
         computed by applying, at the option of Neenah or such Restricted
         Subsidiary, either a fixed or floating rate. If any Indebtedness which
         is being given pro forma effect was Incurred under a revolving credit
         facility that was in effect throughout the applicable period, the
         interest expense on such Indebtedness shall be computed based upon the
         average daily balance of such Indebtedness during the applicable
         period.
    
 
   
     "Consolidated Interest Expense" means, for any period, the total
consolidated interest expense of Neenah and its Restricted Subsidiaries for such
period, plus, to the extent Incurred by Neenah and its Restricted Subsidiaries
in such period but not included in such interest expense,
    
 
   
     (1) interest expense attributable to Capitalized Lease Obligations and
Attributable Debt,
    
 
   
     (2) amortization of debt discount,
    
 
   
     (3) capitalized interest,
    
 
   
     (4) noncash interest expense,
    
 
   
     (5) commissions, discounts and other fees and charges with respect to
         letters of credit and bankers' acceptance financing,
    
 
   
     (6) net costs associated with Interest Rate Agreements,
    
 
   
     (7) the interest portion of any deferred payment obligation for goods or
services,
    
 
   
     (8) interest actually paid by Neenah or any Restricted Subsidiary on any
         Indebtedness of any other Person that is Guaranteed by Neenah or any
         Restricted Subsidiary,
    
 
   
     (9) the cash contributions to any employee stock ownership plan or similar
         trust to the extent such contributions are used by such plan or trust
         to pay interest or fees to any Person (other than Neenah or a Wholly
         Owned Subsidiary) in connection with Indebtedness Incurred by such plan
         or trust and
    
 
   
     (10) the earned discount or yield with respect to the sale of receivables
          (without duplication of amounts included in Consolidated Net Income);
          but in no event shall include
    
 
   
        (a) amortization of debt issuance costs,
    
 
   
        (b) Preferred Stock dividends in respect of all Preferred Stock of
            Subsidiaries of Neenah and Disqualified Stock of Neenah held by
            Persons other than Neenah or a Wholly Owned Subsidiary, or
    
 
   
        (c) interest Incurred in connection with Investments in discontinued
            operations.
    
 
                                       87
<PAGE>   93
 
   
     "Consolidated Net Income" means, for any period, the consolidated net
income (loss) of Neenah and its Subsidiaries for such period; provided, however,
that there shall not be included in such Consolidated Net Income
    
 
   
     (1) any net income (loss) of any Person if such Person is not a Restricted
         Subsidiary, except that (A) subject to the limitations contained in
         clause (4) below, Neenah's equity in the net income of any such Person
         for such period shall be included in such Consolidated Net Income up to
         the aggregate amount of cash actually distributed by such Person during
         such period to Neenah or a Restricted Subsidiary as a dividend or other
         distribution (subject, in the case of a dividend or other distribution
         to a Restricted Subsidiary, to the limitations contained in clause (3)
         below) and (B) Neenah's equity in a net loss of any such Person (other
         than an Unrestricted Subsidiary) for such period shall be included in
         determining such Consolidated Net Income,
    
 
   
     (2) for purposes of subclause 3(A) of the first paragraph of the covenant
         described under "Limitation on Restricted Payments" only, any net
         income (loss) of any person acquired by Neenah or a Subsidiary in a
         pooling of interests transaction for any period prior to the date of
         such acquisition,
    
 
   
     (3) any net income (loss) of any Restricted Subsidiary if such Subsidiary
         is subject to restrictions, directly or indirectly, on the payment of
         dividends or the making of distributions by such Restricted Subsidiary,
         directly or indirectly, to Neenah, except that
    
 
   
        (A) subject to the limitations contained in (4) below, Neenah's equity
            in the net income of any such Restricted Subsidiary for such period
            shall be included in such Consolidated Net Income up to the
            aggregate amount of cash that could have been distributed by such
            Restricted Subsidiary during such period to Neenah or another
            Restricted Subsidiary as a dividend (subject, in the case of a
            dividend that could have been made to another Restricted Subsidiary,
            to the limitation contained in this clause) and
    
 
   
        (B) Neenah's equity in a net loss of any such Restricted Subsidiary for
            such period shall be included in determining such Consolidated Net
            Income,
    
 
   
    (4) any gain (or loss) realized upon the sale or other disposition of any
        asset of Neenah or its Consolidated Subsidiaries, including pursuant to
        any Sale/Leaseback Transaction, which is not sold or otherwise disposed
        of in the ordinary course of business and any gain (or loss) realized
        upon the sale or other disposition of any Capital Stock of any Person,
    
 
   
    (5) any extraordinary gain or loss, and
    
 
   
    (6) the cumulative effect of a change in accounting principles after the
        Issue Date. Notwithstanding the foregoing, for the purpose of the
        covenant described under "Certain Covenants-Limitation on Restricted
        Payments" only, there shall be excluded from Consolidated Net Income any
        dividends, repayments of loans or advances or other transfers of assets
        from Unrestricted Subsidiaries to Neenah or a Restricted Subsidiary to
        the extent such dividends, repayments or transfers increase the amount
        of Restricted Payments permitted under such covenant pursuant to clause
        (3)(D) of the first paragraph thereof. Notwithstanding anything to the
        contrary in the covenant described under "Certain Covenants --
        Limitations on Restricted Payments," all amounts paid to Neenah's parent
        pursuant to clause (11)(B) of the second paragraph such covenant shall
        be deducted in computing Consolidated Net Income.
    
 
   
     "Consolidated Net Worth" means the total of the amounts shown on the
balance sheet of Neenah and the Restricted Subsidiaries, determined on a
Consolidated basis, as of the end of the most recent fiscal quarter of Neenah
ending at least 45 days prior to the taking of any action for the purpose of
which the determination is being made, as
    
 
   
     (1) the par or stated value of all outstanding Capital Stock of Neenah plus
    
 
                                       88
<PAGE>   94
 
   
     (2) paid-in capital or capital surplus relating to such Capital Stock plus
    
 
   
     (3)any retained earnings or earned surplus less (A) any accumulated deficit
        and (B) any amounts attributable to Disqualified Stock.
    
 
   
     "Consolidated Non-Cash Charges" of any Person means, for any period, the
aggregate depreciation, amortization and other non-cash charges of such Person
and its Consolidated Subsidiaries for such period, on a Consolidated basis, as
determined in accordance with GAAP, excluding any such other non-cash charge
which consists of an accrual or reserve for cash charges for any future period.
    
 
   
     "Consolidation" means the consolidation of the accounts of each of the
Restricted Subsidiaries with those of Neenah in accordance with GAAP
consistently applied; provided, however, that "Consolidation" will not include
consolidation of the accounts of any Unrestricted Subsidiary, but the interest
of Neenah or any Restricted Subsidiary in an Unrestricted Subsidiary will be
accounted for as an investment. The term "Consolidated" has a correlative
meaning.
    
 
     "Currency Agreement" means with respect to any Person any foreign exchange
contract, currency swap agreement or other similar agreement or arrangement as
to which such Person is a party or a beneficiary.
 
     "CVC" means Citicorp Venture Capital, Ltd., a New York corporation.
 
   
     "Default" means any event which is, or after notice or passage of time or
both would be, an event of default.
    
 
     "Designated Senior Indebtedness" means
 
   
     (1) the Bank Indebtedness and
    
 
   
     (2) any other Senior Indebtedness of Neenah which, at the date of
         determination, has an aggregate principal amount outstanding of, or
         under which, at the date of determination, the holders thereof are
         committed to lend at least $25.0 million and is specifically designated
         by Neenah in the instrument evidencing or governing such Senior
         Indebtedness as "Designated Senior Indebtedness" for purposes of the
         indenture.
    
 
   
     "Disqualified Stock" means, with respect to any Person, any Capital Stock
which by its terms, or by the terms of any security into which it is convertible
or for which it is exchangeable or exercisable, or upon the happening of any
event
    
 
   
     (1)matures or is mandatorily redeemable pursuant to a sinking fund
        obligation or otherwise,
    
 
   
     (2)is convertible or exchangeable for Indebtedness or Disqualified Stock or
    
 
   
     (3)is redeemable at the option of the holder thereof, in whole or in part,
        in each case on or prior to ninety-one days after the Stated Maturity of
        the exchange notes. Disqualified Stock shall not include any Capital
        Stock that is not otherwise Disqualified Stock if by its terms the
        holders have the right to require the issuer to repurchase such stock
        upon a change of control, or upon events substantially similar to a
        change of control.
    
 
     "Domestic Subsidiary" means a Subsidiary that is incorporated or organized
under the laws of the United States of America, any State thereof or the
District of Columbia.
 
   
     "EBITDA" for any period means the Consolidated Net Income for such period,
plus the following to the extent deducted in calculating such Consolidated Net
Income
    
 
   
     (1) income tax expense,
    
 
   
     (2) Consolidated Interest Expense and
    
 
   
     (3) Consolidated Non-Cash Charges, in each case for such period.
         Notwithstanding the foregoing, the provision for taxes based on the
         income or profits of, and the depreciation
    
 
                                       89
<PAGE>   95
 
   
         and amortization of, a Subsidiary of Neenah shall be added to
         Consolidated Net Income to compute EBITDA only to the extent (and in
         the same proportion) that the net income (loss) of such Subsidiary was
         included in calculating Consolidated Net Income.
    
 
     "Exchange Act" means the Securities Exchange Act of 1934, as amended.
 
     "Existing Notes" means the Original Notes and the Add-On Notes.
 
   
     "GAAP" means generally accepted accounting principles in the United States
of America as in effect as of the Issue Date, including those set forth in the
opinions and pronouncements of the Accounting Principles Board of the American
Institute of Certified Public Accountants, in statements and pronouncements of
the Financial Accounting Standards Board or in such other statements by such
other entity as approved by a significant segment of the accounting profession.
All ratios and computations based on GAAP contained in the indenture shall be
computed in conformity with GAAP.
    
 
   
     "Guarantee" means any obligation, contingent or otherwise, of any Person
directly or indirectly guaranteeing any Indebtedness of any other Person through
an agreement enforceable by or for the benefit of the holder of such
Indebtedness and any such obligation, direct or indirect, contingent or
otherwise, such Person
    
 
   
     (1) to purchase or pay, or advance or supply funds for the purchase or
         payment of, such Indebtedness or other obligation of such other Person
         (whether arising to purchase assets, goods, securities or services, to
         take-or-pay, or to maintain financial statement conditions or
         otherwise) or
    
 
   
     (2) entered into for purposes of assuring in any other manner the obligee
         of such Indebtedness or other obligation of the payment thereof or to
         protect such obligee against loss in respect thereof (in whole or in
         part); provided, however, that the term "Guarantee" shall not include
         endorsements for collection or deposit in the ordinary course of
         business. The term "Guarantee" used as a verb has a corresponding
         meaning.
    
 
     "Hedging Obligations" of any Person means the obligations of such Person
pursuant to any Commodity Agreement, Interest Rate Agreement or Currency
Agreement.
 
   
     "Holder" or "Exchange Noteholder" means the Person in whose name an
exchange note is registered on the Registrar's books.
    
 
   
     "Holdings" means Neenah's parent company, NFC Castings, Inc., a Delaware
corporation, any Person succeeding to its ownership, and successors thereto.
    
 
   
     "Incur" means issue, assume, Guarantee, incur or otherwise become liable
for; provided, however, that any Indebtedness or Capital Stock of a Person
existing at the time such person becomes a Restricted Subsidiary (whether by
merger, consolidation, acquisition or otherwise) shall be deemed to be Incurred
by such person at the time it becomes a Restricted Subsidiary; provided further,
however, that in the case of a discount security, the accretion of original
issue discount on such security shall not be considered an Incurrence of
Indebtedness only if at the time of issuance of such security, Neenah elects to
treat the whole face amount of such security as Incurred at such time (and such
Incurrence is then permitted in accordance with the terms of the indenture).
    
 
   
     "Indebtedness" means, with respect to any specified Person, any
Indebtedness of such Person, in respect of:
    
 
   
     (1) borrowed money;
    
 
   
     (2) the principal of obligations evidenced by bonds, debentures, notes or
         other similar instruments;
    
 
   
     (3) all obligations in respect of letters of credit or other similar
         instruments, including reimbursement obligations with respect thereto,
         other than letters of credit or similar
    
                                       90
<PAGE>   96
 
   
         instruments supporting Trade Payables entered into in the ordinary
         course of business to the extent that such letters of credit are not
         drawn upon or, if and to the extent drawn upon, such drawing is
         reimbursed not later than the third business day following such
         drawing;
    
 
   
     (4) all obligations to pay the deferred and unpaid purchase price of
         property or services (except Trade Payables), which purchase price is
         due more than twelve months after the date of placing such property in
         service or taking delivery and title thereto or the completion of such
         services;
    
 
   
     (5) all Capitalized Lease Obligations and all Attributable Debt;
    
 
   
     (6) the amount of all obligations of such Person with respect to the
         redemption, repayment or other repurchase of any Disqualified Stock or,
         with respect to any Subsidiary of Neenah, any Preferred Stock (but
         excluding, in each case, any accrued dividends);
    
 
   
     (7) all Indebtedness of other Persons secured by a Lien on any asset of
         such Person, whether or not such Indebtedness is assumed by such
         Person; provided, however, that the amount of Indebtedness of such
         Person shall be the lesser of
    
 
        (A) the fair market value of such asset at such date of determination
            and
 
        (B) the amount of such Indebtedness of such other Persons;
 
   
     (8) all Indebtedness of other Persons to the extent Guaranteed by such
         Person; and
    
 
   
     (9) to the extent not otherwise included in this definition, Hedging
         Obligations of such Person. The amount of Indebtedness of any Person at
         any date shall be the outstanding balance at such date of all
         unconditional obligations as described above and the maximum liability,
         upon the occurrence of the contingency giving rise to the obligation,
         of any contingent obligations at such date.
    
 
     "Interest Rate Agreement" means, with respect to any Person, any interest
rate protection agreement, interest rate future agreement, interest rate option
agreement, interest rate swap agreement, interest rate cap agreement, interest
rate collar agreement, interest rate hedge agreement or other similar agreement
or arrangement as to which such Person is party or a beneficiary.
 
   
     "Investment" in any Person means any direct or indirect advance or loans,
other than advances or loans to customers or suppliers in the ordinary course of
business that are recorded as accounts receivable on the balance sheet of the
Person making such loan or advance, or other extension of credit (including by
way of Guarantee or similar arrangement) or capital contribution to (by means of
any transfer of cash or other property to others or any payment for property or
services for the account or use of others), or any purchase or acquisition of
Capital Stock, Indebtedness or other similar instruments issued by such Person.
    
 
     For purposes of the definition of "Unrestricted Subsidiary" and the
covenant described under "-- Certain Covenants -- Limitation on Restricted
Payments," only
 
   
     (1) "Investment" shall include the portion (proportionate to Neenah's
         equity interest in such Subsidiary) of the fair market value of the net
         assets of any Subsidiary of Neenah at the time that such Subsidiary is
         designated an Unrestricted Subsidiary; provided, however, that upon a
         redesignation of such Subsidiary as a Restricted Subsidiary, Neenah
         shall be deemed to continue to have a permanent "Investment" in an
         Unrestricted Subsidiary in an amount (if positive) equal to
    
 
   
        (x) Neenah's "Investment" in such Subsidiary at the time of such
            redesignation less
    
 
   
        (y) the portion (proportionate to Neenah's equity interest in such
            Subsidiary) of the fair market value of the net assets of such
            Subsidiary at the time of such redesignation; and
    
 
                                       91
<PAGE>   97
 
   
     (2) any property transferred to or from an Unrestricted Subsidiary shall be
         valued at its fair market value at the time of such transfer, in each
         case as determined in good faith by the Board of Directors.
    
 
   
     "Issue Date" means the date on which the exchange notes are originally
issued.
    
 
   
     "Lien" means any mortgage, pledge, security interest, encumbrance, lien or
charge of any kind, including any conditional sale or other title retention
agreement or lease in the nature thereof.
    
 
   
     "Management Investors" means the officers and employees of ACP Holdings,
ACP Products, L.L.C., Neenah, Neenah's parent company, or one of Neenah's
Subsidiaries who acquire Voting Stock of ACP Holdings, ACP Products, L.L.C.,
Neenah or Neenah's parent company, on or after the Original Issue Date.
    
 
     "Moody's" means Moody's Investors Service, Inc. and its successors.
 
     "NC Merger" means NC Merger Company, a Wisconsin corporation.
 
   
     "Neenah Merger" means the merger, consummated on April 30, 1997 of NC
Merger Company with and into Neenah under the terms of the Agreement and Plan of
Reorganization (as amended) by and among Neenah, Neenah's parent company and NC
Merger Company and dated November 20, 1996.
    
 
   
     "Net Available Cash" from an Asset Disposition means cash payments
received, including any cash payments received by way of deferred payment of
principal pursuant to a note or installment receivable or from an escrow account
or otherwise, in each case only as and when received, but excluding any other
consideration received in the form of assumption by the acquiring person of
Indebtedness or other obligations relating to the properties or assets that are
the subject of such Asset Disposition or received in any other non-cash form,
therefrom, in each case net of
    
 
   
     (1) all legal, title and recording expenses, commissions and other expenses
         (including fees and expenses of counsel and investment bankers)
         incurred, and all Federal, state, provincial, foreign and local taxes
         required to be paid or accrued as a liability under GAAP, as a
         consequence of such Asset Disposition,
    
 
   
     (2) all payments made on any Indebtedness which is secured by any assets
         subject to such Asset Disposition, in accordance with the terms of any
         Lien upon such assets, or which must by its terms, or in order to
         obtain a necessary consent to such asset disposition, or by applicable
         law, be repaid out of the proceeds from such Asset Disposition,
    
 
   
     (3) all distributions and other payments required to be made to minority
         interest holders in Subsidiaries or joint ventures as a result of such
         Asset Disposition and
    
 
   
     (4) appropriate amounts to be provided by the party or parties making such
         Asset Disposition as a reserve, in accordance with GAAP, against any
         liabilities associated with the assets disposed of in such Asset
         Disposition and retained by Neenah or any Restricted Subsidiary after
         such Asset Disposition, including, without limitation, pension and
         other post-employment benefit liabilities, liabilities related to
         environmental matters and liabilities under any indemnification
         obligations associated with such Asset Disposition.
    
 
     "Net Cash Proceeds" with respect to any issuance or sale of Capital Stock,
means the proceeds of such issuance or sale in the form of cash, including
payments in respect of deferred payment obligations when received in form of, or
stock or other assets when disposed for, cash, net of attorneys' fees,
accountants' fees, underwriters' or placement agents' fees, discounts or
commissions and brokerage, filing and registration fees, trustee's fees,
consultant and other fees actually incurred in connection with such issuance or
sale and net of taxes paid or payable as a result thereof.
 
   
     "Notes" means the Existing Notes and the exchange notes.
    
 
                                       92
<PAGE>   98
 
     "Officer" means
 
   
     - the Chairman of the Board,
    
 
   
     - the Chief Executive Officer,
    
 
   
     - the Chief Financial Officer,
    
 
   
     - the President,
    
 
   
     - any Vice President,
    
 
   
     - the Treasurer or
    
 
   
     - the Secretary
    
 
   
of Neenah.
    
 
     "Officers' Certificate" means a certificate signed by two Officers.
 
   
     "Opinion of Counsel" means a written opinion from legal counsel who is
acceptable to the Trustee. The counsel may be an employee of or counsel to
Neenah or the Trustee.
    
 
   
     "Original Indenture" means the indenture dated April 30, 1997 between NC
Merger and the Trustee, as amended.
    
 
     "Original Issue Date" means the date of issuance of the Original Notes,
April 30, 1997.
 
   
     "Original Notes" means Neenah's 11 1/8% Senior Subordinated Notes due 2007
issued under the Original Indenture and any of Neenah's 11 1/8% Series B Senior
Subordinated Notes due 2007 exchanged therefor.
    
 
     "Permitted Holders" means
 
   
     (1) CVC and its Affiliates and Permitted Transferees and
    
 
   
     (2) the Management Investors and their Permitted Transferees.
    
 
   
     "Permitted Investment" means an Investment by Neenah or any Restricted
Subsidiary in:
    
 
   
     (1) Neenah;
    
   
    
 
   
     (2) a Restricted Subsidiary or a Person which will, upon the making of such
         Investment, become a Restricted Subsidiary; provided, however, that the
         primary business of such Restricted Subsidiary is a Related Business;
    
 
   
     (3) another Person if as a result of such Investment such other Person is
         merged or consolidated with or into, or transfers or conveys all or
         substantially all its assets to, Neenah or a Restricted Subsidiary;
         provided, however, that such Person's primary business is a Related
         Business;
    
 
   
     (4) Temporary Cash Investments;
    
 
   
     (5) receivables owing to Neenah or any Restricted Subsidiary, if created or
         acquired in the ordinary course of business and payable or
         dischargeable in accordance with customary trade terms provided,
         however, that such trade terms may include such concessionary trade
         terms as Neenah or any such Restricted Subsidiary deems reasonable
         under the circumstances;
    
 
   
     (6) payroll, travel and similar advances to cover matters that are expected
         at the time of such advances ultimately to be treated as expenses for
         accounting purposes and that are made in the ordinary course of
         business;
    
 
   
     (7) loans or advances to employees made in the ordinary course of business
         and not exceeding $1.0 million in the aggregate outstanding at any one
         time;
    
                                       93
<PAGE>   99
 
   
     (8) stock, obligations or securities received in settlement of debts
         created in the ordinary course of business and owing to Neenah or any
         Restricted Subsidiary or in satisfaction of judgments;
    
 
   
     (9) securities received as consideration in sales of assets made in
         compliance with the covenant described under "-- Certain
         Covenants -- Limitation on Sales of Assets and Subsidiary Stock;"
    
 
   
     (10) other Investments, of any type, provided that the amount of such
          Investments made after the Issue Date in reliance on this clause (10)
          and outstanding at any time does not exceed 7.5% of Total Assets; or
    
 
   
     (11) Guarantees relating to Indebtedness which is permitted to be Incurred
          under the covenant described under "-- Certain Covenants -- Limitation
          on Indebtedness."
    
 
   
     "Permitted Liens" means with respect to any Person:
    
 
   
     (a) Liens to secure Indebtedness permitted under the provisions described
         under clause (b)(1) or (2) of the second paragraph under "-- Certain
         Covenants -- Limitation on Indebtedness";
    
 
     (b) pledges or deposits made or other Liens granted by
 
        (1) such Person under workmen's compensation laws, unemployment
            insurance laws or similar legislation,
 
   
        (2) in connection with bids, tenders, contracts (other than for the
            payment of Indebtedness) or leases to which such Person is a party,
            or
    
 
   
        (3) to secure public or statutory obligations of such Person or deposits
            of cash or United States government bonds to secure surety or appeal
            bonds to which such Person is a party, or deposits as security for
            contested taxes or import duties or for the payment of rent, in each
            case Incurred in the ordinary course of business;
    
 
     (c) Liens imposed by law, such as carriers', warehousemen's, mechanics',
         employees' and other like Liens, in each case for sums not yet due or
         being contested in good faith by appropriate proceedings or other Liens
         arising out of judgments, awards, decrees or orders of any court or
         other governmental authority against such Person with respect to which
         such Person shall then be proceeding with an appeal or other
         proceedings for review;
 
     (d) Liens for property taxes not yet due or payable or subject to penalties
         for non-payment or which are being contested in good faith and by
         appropriate proceedings;
 
     (e) Liens in favor of issuers of surety, performance, judgment, appeal and
         other like bonds or letters of credit issued pursuant to the request of
         and for the account of such Person in the ordinary course of its
         business;
 
     (f) minor survey exceptions, minor encumbrances, easements or reservations
         of, or rights of others for, licenses, rights of way, sewers, electric
         lines, telegraph and telephone lines and other similar purposes, or
         zoning provisions, carveouts, conditional waivers or other restrictions
         as to the use of real properties or minor irregularities of title (and
         with respect to leasehold interests, mortgages, obligations, Liens and
         other encumbrances incurred, created, assumed or permitted to exist and
         arising by, through or under a landlord or owner of the leased
         property, with or without consent of the lessee) or Liens incidental to
         the conduct of the business of such Person or to the ownership of its
         properties which were not Incurred in connection with Indebtedness and
         which do not in the aggregate materially impair the use of such
         properties in the operation of the business of such Person;
 
                                       94
<PAGE>   100
 
     (g) Liens existing or provided for under written arrangements existing on
         the Original Issue Date;
 
     (h) Liens securing Indebtedness or other obligations of a Subsidiary of
         such Person owing to such Person or a wholly owned Subsidiary of such
         Person;
 
     (i) Liens securing Hedging Obligations so long as the related Indebtedness
         is, and is permitted to be under the Indenture, secured by a Lien on
         the same property securing such Hedging Obligations;
 
   
     (j) Liens to secure any refinancing, refunding, replacement, renewal,
         repayment or extension, or successive refinancings, refundings,
         replacements, renewals, repayments or extensions, as a whole, or in
         part, of any Indebtedness secured by any Lien referred to in clause
         (g), (i), (l), (m) or (n); provided, however, that
    
 
   
        (x) such new Lien shall be limited to all or part of the same property
            that secured the original Lien (plus improvements on such property)
            and
    
 
   
        (y) the Indebtedness secured by such Lien at such time is not increased
            to any amount greater than the sum of
    
 
           (A) the outstanding principal amount or, if greater, committed amount
               of the Indebtedness described under clauses (g), (i), (l), (m)
               and (n) at the time the original Lien became a Permitted Lien and
 
   
           (B) an amount necessary to pay any fees and expenses, including
               premiums, related to such refinancing, refunding, replacement,
               renewal, repayment or extension;
    
 
   
     (k)(1) mortgages, liens, security interests, restrictions or encumbrances
            that have been placed by any developer, landlord or other third
            party on property over which Neenah or any Restricted Subsidiary or
            Neenah has easement rights or on any real property leased by Neenah
            and subordination or similar agreements relating thereto and
    
 
   
        (2) any condemnation or eminent domain proceedings affecting any real
            property;
    
 
   
     (l)  Liens on property, assets or shares of stock of a Person at the time
          such Person becomes a Subsidiary; provided, however, such Liens are
          not created, Incurred or assumed by such Person in connection with, or
          in contemplation of, such other Person becoming such a Subsidiary;
          provided further, however, that such Liens may not extend to any other
          property owned by Neenah or any Restricted Subsidiary;
    
 
   
     (m) Liens on property or assets at the time Neenah or a Restricted
         Subsidiary acquired the property or assets, including any acquisition
         by means of a merger or consolidation with or into Neenah or a
         Restricted Subsidiary; provided, however, that such Liens are not
         created in connection with, or in contemplation of, such acquisition;
         provided further, however, that the Liens may not extend to any other
         property owned by Neenah or any Restricted Subsidiary; and
    
 
     (n) any Lien on stock or other securities of an Unrestricted Subsidiary
         that secures Indebtedness of such Unrestricted Subsidiary.
 
     "Permitted Transferee" means
 
   
     (a) with respect to CVC
    
 
   
        (1) Citicorp, any direct or indirect wholly owned subsidiary of
            Citicorp, and any officer, director or employee of CVC, Citicorp or
            any wholly owned subsidiary of Citicorp,
    
 
   
        (2) any spouse or lineal descendant (including by adoption and
            stepchildren) of the officers, directors and employees to in clause
            (a)(1) above or
    
 
                                       95
<PAGE>   101
 
   
        (3) any trust, corporation or partnership 100% in interest of the
            beneficiaries, stockholders or partners of which consists of one or
            more of the persons described in clause (a)(1) or (2) above and
    
 
   
     (b) with respect to any officer or employee of ACP Products, L.L.C., ACP
         Holdings, Neenah, Neenah's parent company or a Subsidiary of Neenah
    
 
   
        (1) any spouse or lineal descendant (including by adoption and
            stepchildren) of such officer or employee and
    
 
   
        (2) any trust, corporation or partnership 100% in interest of the
            beneficiaries, stockholders or partners of which consists of such
            officer or employee, any of the persons described in clause (b)(1)
            above or any combination thereof.
    
 
     "Person" means any individual, corporation, partnership, limited liability
company, joint venture, association, joint-stock company, trust, unincorporated
organization, government or any agency or political subdivision thereof or any
other entity.
 
     "Preferred Stock", as applied to the Capital Stock of any corporation,
means Capital Stock of any class or classes (however designated) which is
preferred as to the payment of dividends, or as to the distribution of assets
upon any voluntary or involuntary liquidation or dissolution of such
corporation, over shares of Capital Stock of any other class of such
corporation.
 
   
     "Public Equity Offering" means an underwritten public offering of common
stock of ACP Holdings, Neenah, Neenah's parent company (or, for purposes of the
covenant described under "-- Certain Covenants -- Limitation on the Sale or
Issuance of Capital Stock of Restricted Subsidiaries," any Restricted
Subsidiary) pursuant to an effective registration statement (other than a
registration statement on Form S-4, S-8 or any successor or similar forms) under
the Securities Act, whether alone or in conjunction with any secondary public
offering, provided, however, that if any such offering is an offering of the
common stock of ACP Holdings, only the net proceeds thereof that are contributed
to Neenah shall be taken into consideration for the purposes of this definition.
    
 
     "Public Market" means any time after
 
   
     (x) a Public Equity Offering has been consummated and
    
 
   
     (y) at least 15% of the total issued and outstanding common stock of ACP
         Holdings, Neenah, Neenah's parent company (or, for purposes of the
         covenant described under "-- Certain Covenants -- Limitation on the
         Sale or Issuance of Capital Stock of Restricted Subsidiaries," any
         Restricted Subsidiary) has been distributed by means of an effective
         registration statement under the Securities Act.
    
 
     "Purchase Money Indebtedness" means Indebtedness
 
   
     (1) consisting of the deferred purchase price of an asset or assets
         (including Capital Stock and the assets of an ongoing business)
         including additions and improvements, any conditional sale obligation,
         any obligation under any title retention agreement or any other
         purchase money obligation, or
    
 
   
     (2) incurred to finance the acquisition by Neenah or a Restricted
         Subsidiary of an asset or assets (including Capital Stock and the
         assets of a Related Business) including additions and improvements;
         provided in the case of clause (1) that the Average Life of such
         Indebtedness is less than the anticipated useful life of assets having
         an aggregate fair market value representing more than 50% of the
         aggregate fair market value of all assets so acquired and that in the
         case of clauses (1) and (2) such Indebtedness is incurred within 180
         days after the acquisition by Neenah or Restricted Subsidiary of such
         asset or assets, or is in existence with respect to any asset or other
         property at the time such asset or property is acquired.
    
 
                                       96
<PAGE>   102
 
   
     "Refinancing Indebtedness" means Indebtedness that is Incurred to refund,
refinance, replace, renew, repay or extend (including pursuant to any defeasance
or discharge mechanism) (collectively, "refinances" and "refinanced" shall have
a correlative meaning) any Indebtedness existing on the Original Issue Date or
Incurred in compliance with or which is permitted by the indenture (including
Indebtedness of Neenah that refinances Indebtedness of any Restricted Subsidiary
(to the extent permitted in the indenture) and Indebtedness of any Restricted
Subsidiary that refinances Indebtedness of that or another Restricted Subsidiary
of Neenah), including Indebtedness that refinances Refinancing Indebtedness;
provided, however, that
    
 
   
     (1) the Refinancing Indebtedness has a Stated Maturity no earlier than the
         Stated Maturity of the Indebtedness being refinanced,
    
 
   
     (2) the Refinancing Indebtedness has an Average Life at the time such
         Refinancing Indebtedness is Incurred that is equal to or greater than
         the Average Life of the Indebtedness being refinanced,
    
 
   
     (3) such Refinancing Indebtedness is Incurred in an aggregate principal
         amount (or, if issued with original issue discount, an aggregate issue
         price) that is equal to or less than the aggregate principal amount
         (or, if issued with original issue discount, the aggregate accreted
         value) then outstanding of the Indebtedness being refinanced plus the
         amount of any premium reasonably determined by Neenah or such
         Restricted Subsidiary, as applicable, as necessary at the time of such
         refinancing to accomplish such refinancing or required pursuant to the
         terms thereof, plus the amount of expenses of Neenah or such Restricted
         Subsidiary, as applicable, Incurred in connection with such refinancing
         and
    
 
   
     (4) if the Indebtedness being refinanced is subordinated in right of
         payment to the exchange notes, such Refinancing Indebtedness is
         subordinated in right of payment to the exchange notes to the extent of
         the Indebtedness being refinanced provided further, however, that
         Refinancing Indebtedness shall not include Indebtedness of Neenah or a
         Restricted Subsidiary that refinances Indebtedness of an Unrestricted
         Subsidiary.
    
 
   
     "Related Business" means any business of Neenah and the Restricted
Subsidiaries as conducted on the Issue Date and any business related, ancillary
or complementary thereto.
    
 
   
     "Restricted Subsidiary" means any Subsidiary of Neenah other than an
Unrestricted Subsidiary.
    
 
     "S&P" means Standard and Poor's Ratings Group, a division of McGraw-Hill,
Inc. and its successors.
 
   
     "Sale/Leaseback Transaction" means an arrangement relating to property now
owned or hereafter acquired by Neenah or a Restricted Subsidiary whereby Neenah
or such Restricted Subsidiary transfers such property to a Person and Neenah or
such Restricted Subsidiary leases it from such Person, other than leases between
Neenah and a Wholly Owned Subsidiary or between Wholly Owned Subsidiaries.
    
 
     "SEC" means the Securities and Exchange Commission.
 
   
     "Second Add-on Indenture" means the indenture dated November 24, 1998 among
Neenah, the subsidiaries of Neenah party thereto, and the Trustee, as amended.
    
 
   
     "Secured Indebtedness" means any Indebtedness of Neenah secured by a Lien.
"Secured Indebtedness" of any Guarantor Subsidiary has a correlative meaning.
    
 
   
     "Senior Bank Facilities" means the credit agreement dated as of the
Original Issue Date, as amended, waived or otherwise modified from time to time,
among Holdings, Neenah, the lenders party thereto from time to time and The
Chase Manhattan Bank, a New York banking corporation, as agent (except to the
extent that any such amendment, waiver or other modification thereto would be
prohibited by the terms of the indenture).
    
                                       97
<PAGE>   103
 
   
     "Senior Indebtedness" of Neenah means
    
 
   
     (1) all principal of,
    
 
   
     (2) premium, if any,
    
 
   
     (3) accrued interest, including interest accruing on or after the filing of
         any petition in bankruptcy or for reorganization relating to Neenah
         whether or not a claim for post-filing interest is allowed in such
         proceedings,
    
 
   
     (4) fees,
    
 
   
     (5) charges,
    
 
   
     (6) expenses,
    
 
   
     (7) reimbursement obligations,
    
 
   
     (8) guarantees, including all Bank Indebtedness, whether outstanding on the
         Issue Date or thereafter incurred, unless in the instrument creating or
         evidencing the same or pursuant to which the same is outstanding it is
         expressly provided that such obligations are not superior in right of
         payment to the exchange notes, and
    
 
   
     (9) other amounts owing with respect to all Indebtedness of Neenah.
    
 
   
     However, Senior Indebtedness shall not include
    
 
   
     (1) any obligation of Neenah to any Subsidiary,
    
 
   
     (2) any liability for federal, foreign, state, local or other taxes owed or
         owing by Neenah,
    
 
   
     (3) any accounts payable or other liability to trade creditors arising in
         the ordinary course of business, including Guarantees thereof or
         instruments evidencing such liabilities,
    
 
   
     (4) any Indebtedness or obligation of Neenah which is subordinate or junior
         in any respect, other than as a result of the Indebtedness being
         unsecured, to any other Indebtedness or obligation of Neenah, including
         any Senior Subordinated Indebtedness and any Subordinated Obligations,
    
 
   
     (5) any obligations with respect to any Capital Stock or
    
 
   
     (6) any Indebtedness Incurred in violation of the indenture.
    
 
   
     "Senior Indebtedness" of any guarantor subsidiary has a correlative
meaning.
    
 
   
     "Senior Subordinated Indebtedness" means the exchange notes, the Existing
Notes and any other Indebtedness of Neenah that specifically provides that such
Indebtedness is to rank pari passu with the exchange notes and is not
subordinated by its terms to any Indebtedness or other obligation of Neenah
which is not Senior Indebtedness. "Senior Subordinated Indebtedness" of any
guarantor subsidiary has a correlative meaning.
    
 
   
     "Significant Subsidiary" means any Restricted Subsidiary that would be a
"Significant Subsidiary" of Neenah within the meaning of clause (w)(1) or (2) of
Rule 1-02 under Regulation S-X promulgated by the SEC.
    
 
   
     "Stated Maturity" means, with respect to any security, the date specified
in such security as the fixed date on which the payment of principal of such
security is due and payable, including pursuant to any mandatory redemption
provision, but excluding any provision providing for the purchase of such
security at the option of the holder thereof upon the happening of any
contingency beyond the control of the issuer unless such contingency has
occurred.
    
 
   
     "Subordinated Obligation" means any Indebtedness of Neenah, whether
outstanding on the Original Issue Date or thereafter Incurred, which is
expressly subordinate in right of payment to the
    
 
                                       98
<PAGE>   104
 
   
exchange notes pursuant to a written agreement. "Subordinated Obligation" of any
guarantor subsidiary shall have a correlative meaning.
    
 
     "Subsidiary" of any Person means any corporation, association, partnership
or other business entity of which more than 50% of the total voting power of
shares of Capital Stock or other interests (including partnership interests)
entitled (without regard to the occurrence of any contingency) to vote in the
election of directors, managers, trustees or members of any other governing body
thereof is at the time owned or controlled, directly or indirectly, by
 
   
     (1) such Person or
    
 
   
     (2) one or more Subsidiaries of such Person.
    
 
   
     "Subsidiary Guarantee" means any Guarantee of the exchange notes which may
from time to time be executed and delivered pursuant to the terms of the
indenture. Each such Subsidiary Guarantee shall be in the form prescribed in the
indenture.
    
 
     "Temporary Cash Investments" means any of the following:
 
   
     (1) any investment in direct obligations
    
 
   
        (x) of the United States of America or any agency thereof or obligations
            Guaranteed by the United States of America or any agency thereof or
    
 
   
        (y) of any foreign country recognized by the United States of America
            rated at least "A" by S&P or "A-1" by Moody's,
    
 
   
     (2) investments in time deposit accounts, certificates of deposit and money
         market deposits maturing within 365 days of the date of acquisition
         thereof issued by a bank or trust company which is organized under the
         laws of the United States of America, any state thereof or any foreign
         country recognized by the United States of America having capital and
         surplus in excess of $250.0 million (or the foreign currency equivalent
         thereof) and whose long-term debt is rated "A" (or such similar
         equivalent rating) or higher by at least one nationally recognized
         statistical rating organization (as defined in Rule 436 under the
         Securities Act),
    
 
   
     (3) repurchase obligations with a term of not more than 30 days for
         underlying securities of the types described in clause (1) above
         entered into with a bank meeting the qualifications described in clause
         (2) above,
    
 
   
     (4) investments in commercial paper, maturing not more than 365 days after
         the date of acquisition, issued by a corporation (other than an
         Affiliate of Neenah) organized and in existence under the laws of the
         United States of America or any foreign country recognized by the
         United States of America with a rating at the time as of which any
         investment therein is made of "P-1" (or higher) according to Moody's or
         "A-1" (or higher) according to S&P,
 
     (5) investments in securities with maturities of six months or less from
         the date of acquisition issued or fully guaranteed by any state,
         commonwealth or territory of the United States of America, or by any
         political subdivision or taxing authority thereof, and rated at least
         "A" by S&P or "A" by Moody's,
    
 
   
     (6) any money market deposit accounts issued or offered by a domestic
         commercial bank or a commercial bank organized and located in a country
         recognized by the United States of America, in each case, having
         capital and surplus in excess of $250.0 million (or the foreign
         currency equivalent thereof), or investments in money market funds
         complying with the risk limiting conditions of Rule 2a-7 (or any
         successor rule) of the Commission under the Investment Company Act of
         1940, as amended, and
    
 
   
     (7) similar investments approved by the Board of Directors in the ordinary
         course of business.
    
 
                                       99
<PAGE>   105
 
   
     "Total Assets" means, at any date of determination, the total consolidated
assets of Neenah and its Restricted Subsidiaries, as set forth on the Neenah's
then most recent consolidated balance sheet.
    
 
     "Trade Payables" means, with respect to any Person, any accounts payable or
any indebtedness or monetary obligation to trade creditors created, assumed or
Guaranteed by such Person arising in the ordinary course of business in
connection with the acquisition of goods or services.
 
   
     "Treasury Rate" means the yield to maturity at the time of computation of
United States Treasury securities with a constant maturity (as compiled by, and
published in, the most recent Federal Reserve Statistical Release H.15(519)
which has become publicly available at least two Business Days prior to the date
fixed for redemption of the exchange notes following a Change of Control (or, if
such Statistical Release is no longer published, any publicly available source
of similar market data)) most nearly equal to the then remaining Average Life to
Stated Maturity of the exchange notes.
    
 
   
     However, if the Average Life to Stated Maturity of the Notes is not equal
to the constant maturity of a United States Treasury security for which a weekly
average yield is given, the Treasury Rate shall be obtained by linear
interpolation, calculated to the nearest one-twelfth of a year, from the weekly
average yields of United States Treasury securities for which such yields are
given, except that if the Average Life to Stated Maturity of the exchange notes
is less than one year, the weekly average yield on actually traded United States
Treasury securities adjusted to a constant maturity of one year shall be used.
    
 
   
     "Trustee" means the party named as such in the indenture until a successor
replaces it and, thereafter, means the successor.
    
 
   
     "Trust Officer" means the Chairman of the Board, the President or any other
officer or assistant officer of the Trustee assigned by the Trustee to
administer its corporate trust matters.
    
 
     "Unrestricted Subsidiary" means
 
   
     (1) any of our Subsidiaries that at the time of determination shall be
         designated an Unrestricted Subsidiary by the Board of Directors in the
         manner provided below and
    
 
   
     (2) any Subsidiary of an Unrestricted Subsidiary. The Board of Directors
         may designate any of our Subsidiaries, including any newly acquired or
         newly formed Subsidiary, to be an Unrestricted Subsidiary unless such
         Subsidiary or any of its Subsidiaries owns any Capital Stock or
         Indebtedness of, or owns or holds any Lien on any property of, Neenah
         or any other Restricted Subsidiary of Neenah that is not a Subsidiary
         of the Subsidiary to be so designated; provided, however, that either
    
 
        (A) the Subsidiary to be so designated has total Consolidated assets of
            $1,000 or less or
 
        (B) if such Subsidiary has Consolidated assets greater than $1,000, then
            such designation would be permitted under the covenant entitled
            "Limitation on Restricted Payments."
 
     The Board of Directors may designate any Unrestricted Subsidiary to be a
Restricted Subsidiary; provided, however, that immediately after giving effect
to such designation
 
   
     (x) Neenah could Incur $1.00 of additional Indebtedness under paragraph (a)
         of the covenant described under "Limitation on Indebtedness" and
    
 
   
     (y) no Default shall have occurred and be continuing. Any such designation
         by the Board of Directors shall be evidenced to the Trustee by promptly
         filing with the trustee a copy of the resolution of the Board of
         Directors giving effect to such designation and an Officers'
         Certificate certifying that such designation complied with the
         foregoing provisions.
    
 
     "U.S. Government Obligations" means direct obligations (or certificates
representing an ownership interest in such obligations) of the United States of
America (including any agency or
                                       100
<PAGE>   106
 
instrumentality thereof) for the payment of which the full faith and credit of
the United States of America is pledged and which are not callable or redeemable
at the issuer's option.
 
     "Voting Stock" of a corporation means all classes of Capital Stock of such
corporation then outstanding and normally entitled to vote in the election of
directors.
 
   
     "Wholly Owned Subsidiary" means a Restricted Subsidiary all the Capital
Stock of which (other than directors' qualifying shares and, to the extent
required by local ownership laws in foreign countries, shares owned by foreign
shareholders) is owned by Neenah or another Wholly Owned Subsidiary (including
shares held of record by a nominee for the benefit of Neenah or another Wholly
Owned Subsidiary).
    
 
                                       101
<PAGE>   107
 
                                 EXCHANGE OFFER
 
TERMS OF THE EXCHANGE OFFER; PERIOD FOR TENDERING OLD NOTES
 
   
     Upon the terms and subject to the conditions set forth in this prospectus
and in the letter of transmittal, we will accept any and all notes validly
tendered and not withdrawn prior to 5:00 p.m., New York City time, on the
expiration date. We will issue $1,000 principal amount of exchange notes in
exchange for each $1,000 principal amount of outstanding notes accepted in the
exchange offer. Holders may tender some or all of their notes pursuant to the
exchange offer. However, notes may be tendered only in integral multiples of
$1,000.
    
 
   
     The form and terms of the exchange notes are the same as the form and terms
of the notes except that:
    
 
   
     (1) the exchange notes have been registered under the Securities Act and
         hence will not bear legends restricting their transfer thereof; and
    
 
   
     (2) the holders of the exchange notes will not be entitled to certain
         rights under the registration rights agreement, including the
         provisions providing for an increase in the interest rate on the notes
         in certain circumstances relating to the timing of the exchange offer,
         all of which will terminate when the exchange offer is terminated. The
         exchange notes will evidence the same debt as the notes and will be
         entitled to the benefits of the indenture.
    
 
   
     As of the date of this prospectus, $87.0 million aggregate principal amount
of notes were outstanding. We have fixed the close of business on [       ,
1999] as the record date for the exchange offer for purposes of determining the
persons to whom this prospectus and the letter of transmittal will be mailed
initially.
    
 
   
     We intend to conduct the exchange offer in accordance with the applicable
requirements of the Exchange Act and the rules and regulations of the Commission
thereunder.
    
 
   
     We shall be deemed to have accepted validly tendered notes when, as and if
we have given oral or written notice to the exchange agent. The exchange agent
will act as agent for the tendering Holders for the purpose of receiving the
exchange notes from the issuers.
    
 
   
     If any tendered notes are not accepted for exchange because of an invalid
tender, the occurrence of certain other events set forth herein or otherwise,
the certificates for any such unaccepted notes will be returned, without
expense, to the tendering holder thereof as promptly as practicable after the
expiration date.
    
 
   
     Holders who tender notes in the exchange offer will not be required to pay
brokerage commissions or fees or, subject to the instructions in the letter of
transmittal, transfer taxes with respect to the exchange of notes. We will pay
all charges and expenses, other than transfer taxes in certain circumstances, in
connection with the exchange offer as described under the subheading "-- Fees
and Expenses."
    
 
   
EXPIRATION DATE; EXTENSIONS; AMENDMENTS
    
 
   
     The term "expiration date" shall mean 5:00 p.m., New York City time, on
[       ], 1999, unless we, in our sole discretion, extend the exchange offer,
in which case the term "expiration date" shall mean the latest date and time to
which the exchange offer is extended. Notwithstanding the foregoing, we will not
extend the expiration date beyond [          ], 1999.
    
 
   
     In order to extend the exchange offer, we will notify the exchange agent of
any extension by oral or written notice and will mail to the registered holders
an announcement thereof, each prior to 9:00 a.m., New York City time, on the
next business day after the previously scheduled expiration date.
    
 
                                       102
<PAGE>   108
 
   
     We reserve the right, in our sole discretion, to
    
 
   
     (1) to delay accepting any notes, to extend the exchange offer or to
         terminate the exchange offer if any of the conditions set forth below
         under the heading "Conditions" shall not have been satisfied, by giving
         oral or written notice of such delay, extension or termination to the
         exchange agent, or
    
 
   
     (2) to amend the terms of the exchange offer in any manner. Any such delay
         in acceptance, extension, termination or amendment will be followed as
         promptly as practicable by oral or written notice thereof to the
         registered holders.
    
 
   
INTEREST ON THE EXCHANGE NOTES
    
 
   
     The exchange notes will bear interest from their date of issuance. Holders
of notes that are accepted for exchange will receive, in cash, accrued interest
thereon to, but not including, the date of issuance of the exchange notes. Such
interest will be paid with the first interest payment on the exchange notes on
June 1, 1999. Interest on the notes accepted for exchange will cease to accrue
upon issuance of the exchange notes.
    
 
   
     Interest on the exchange notes is payable semi-annually on each May 1 and
November 1, commencing on May 1, 1999.
    
 
PROCEDURES FOR TENDERING OLD NOTES
 
   
     Only a holder of notes may tender such notes in the exchange offer. To
tender in the exchange offer, a Holder must complete, sign and date the letter
of transmittal, or a facsimile thereof, have the signatures guaranteed if
required by the letter of transmittal, and mail or otherwise deliver such letter
of transmittal or such facsimile, together with the notes and any other required
documents, to the exchange agent prior to 5:00 p.m., New York City time, on the
expiration date. To be tendered effectively, the notes, letter of transmittal
and other required documents must be completed and received by the exchange
agent at the address set forth below under "Exchange Agent" prior to 5:00 p.m.,
New York City time, on the expiration date. Delivery of the notes may be made by
book-entry transfer in accordance with the procedures described below.
Confirmation of such book-entry transfer must be received by the exchange agent
prior to the expiration date.
    
 
   
     The tender by a holder and the acceptance of the tender by us will
constitute agreement between such Holder and us in accordance with the terms and
subject to the conditions set forth in this prospectus and in the letter of
transmittal.
    
 
   
     THE METHOD OF DELIVERY OF NOTES AND THE LETTER OF TRANSMITTAL AND ALL OTHER
REQUIRED DOCUMENTS TO THE EXCHANGE AGENT IS AT THE ELECTION AND SOLE RISK OF THE
HOLDER. AS AN ALTERNATIVE TO DELIVERY BY MAIL, HOLDERS MAY WISH TO CONSIDER
OVERNIGHT OR HAND DELIVERY SERVICE. IN ALL CASES, SUFFICIENT TIME SHOULD BE
ALLOWED TO ASSURE DELIVERY TO THE EXCHANGE AGENT BEFORE THE EXPIRATION DATE. NO
LETTER OF TRANSMITTAL OR NOTES SHOULD BE SENT TO US. HOLDERS MAY REQUEST THEIR
RESPECTIVE BROKERS, DEALERS, COMMERCIAL BANKS, TRUST COMPANIES OR NOMINEES TO
EFFECT THE ABOVE TRANSACTIONS FOR SUCH HOLDERS.
    
 
   
     Any beneficial owner whose notes are registered in the name of a broker,
dealer, commercial bank, trust company or other nominee and who wishes to tender
should contact the registered holder promptly and instruct such registered
holder to tender on such beneficial owner's behalf. See "Instruction to
Registered Holder and/or Book-Entry Transfer Facility Participant from Owner"
included with the letter of transmittal.
    
 
                                       103
<PAGE>   109
 
   
     Signatures on a letter of transmittal or a notice of withdrawal, as the
case may be, must be guaranteed by an institution that is a member firm of the
Medallion system unless the notes are tendered as follows:
    
 
   
     (1) by a registered holder who has not completed the box entitled "Special
         Registration Instructions" or "Special Delivery Instructions" on the
         Letter of Transmittal; or
    
 
   
     (2) for the account of member firm of the Medallion system.
    
 
   
     In the event that signatures on a letter of transmittal or a notice of
withdrawal, as the case may be, are required to be guaranteed, such guarantee
must be by a member firm of the Medallion system.
    
 
   
     If the letter of transmittal is signed by a person other than the
registered holder of any notes listed therein, such notes must be endorsed or
accompanied by a properly completed bond power, signed by such registered holder
as such registered holder's name appears on such notes with the signature
guaranteed by an institution that is a member firm of the Medallion System.
    
 
   
     If the letter of transmittal or any notes or bond powers are signed by
trustees, executors, administrators, guardians, attorneys-in-fact, offices of
corporations or others acting in a fiduciary or representative capacity, such
persons should so indicate when signing, and evidence satisfactory to us of
their authority to so act must be submitted with the letter of transmittal.
    
 
   
     We understand that the exchange agent will make a request promptly after
the date of this prospectus to establish accounts with respect to the notes at
the book-entry transfer facility, The Depository Trust Company (DTC), for the
purpose of facilitating the exchange offer, and subject to the establishment
thereof, any financial institution that is a participant in DTC's system may
make book-entry delivery of notes by causing the book-entry transfer facility to
transfer such notes into the exchange agent's account with respect to the notes
in accordance with the book-entry transfer facility's procedures for such
transfer. Although delivery of the notes may be effected through book-entry
transfer into the exchange agent's account at the book-entry transfer facility,
an appropriate letter of transmittal properly completed and duly executed with
any required signature guarantee and all other required documents must in each
case be transmitted to and received or confirmed by the exchange agent at its
address set forth below on or prior to the expiration date, or, if the
guaranteed delivery procedures described below are complied with, within the
time period provided under such procedures. Delivery of documents to the
book-entry transfer facility does not constitute delivery to the exchange agent.
    
 
   
     The depositary and DTC have confirmed that the exchange offer is eligible
for the DTC Automated Tender Offer Program (ATOP). Accordingly, DTC participants
may electronically transmit their acceptance of the exchange offer by causing
DTC to transfer notes to the depositary in accordance with DTC's ATOP procedures
for transfer. DTC will then send an "agent's message" to the Depositary.
    
 
   
     The term "agent's message" means a message transmitted by DTC, received by
the depositary and forming part of the confirmation of a book-entry transfer,
which states that DTC has received an express acknowledgment from the
participant in DTC tendering notes which are the subject of such book-entry
confirmation, that such participant has received and agrees to be bound by the
terms of the letter of transmittal and that we may enforce such agreement
against such participant. In the case of an agent's message relating to
guaranteed delivery, the term means a message transmitted by DTC and received by
the depositary, which states that DTC has received an express acknowledgment
from the participant in DTC tendering notes that such participant has received
and agrees to be bound by the notice of guaranteed delivery.
    
 
   
     Notwithstanding the foregoing, in order to validly tender in the exchange
offer with respect to securities transferred pursuant to ATOP, a DTC participant
using ATOP must also properly complete and duly execute the applicable letter of
transmittal and deliver it to the depositary. Pursuant to
    
 
                                       104
<PAGE>   110
 
   
authority granted by DTC, any DTC participant which has notes credited to its
DTC account at any time (and held of record by DTC's nominee) may directly
provide a tender as though it were the registered holder by so completing,
executing and delivering the applicable letter of transmittal to the depositary.
DELIVERY OF DOCUMENTS TO DTC DOES NOT CONSTITUTE DELIVERY TO THE DEPOSITARY.
    
 
   
     All questions as to the validity, form, eligibility (including time of
receipt), acceptance of tendered notes and withdrawal of tendered notes will be
determined by us in our sole discretion, which determination will be final and
binding. We reserve the absolute right to reject any and all notes not properly
tendered or any notes which, if accepted, would, in the opinion of our counsel,
be unlawful. We also reserve the right in our sole discretion to waive any
defects, irregularities or conditions of tender as to particular notes. Our
interpretation of the terms and conditions of the exchange offer (including the
instructions in the letter of transmittal) will be final and binding on all
parties. Unless waived, any defects or irregularities in connection with tenders
of notes must be cured within such time as we shall determine. Although we
intend to notify holders of defects or irregularities with respect to tenders of
notes, neither us, the exchange agent nor any other person shall incur any
liability for failure to give such notification. Tenders of notes will not be
deemed to have been made until such defects or irregularities have been cured or
waived. Any notes received by the exchange agent that are not properly tendered
and as to which the defects or irregularities have not been cured or waived will
be returned by the exchange agent to the tendering holders, unless otherwise
provided in the letter of transmittal, as soon as practicable following the
expiration date.
    
 
   
GUARANTEED DELIVERY PROCEDURES
    
 
   
     Holders who wish to tender their notes and:
    
 
   
     (1) whose notes are not immediately available;
    
 
   
     (2) who cannot deliver their notes, the letter of transmittal or any other
         required documents to the exchange agent; or
    
 
   
     (3) who cannot complete the procedures for book-entry transfer, prior to
the expiration date, may effect a tender if:
    
 
   
     (1) the tender is made through an institution that is a member firm of the
         Medallion system;
    
 
   
     (2) prior to the expiration date, the exchange agent receives from such
         firm a properly completed and duly executed notice of guaranteed
         delivery (by facsimile transmission, mail or hand delivery) setting
         forth the name and address of the holder, the certificate number(s) of
         such notes and the principal amount of notes tendered, stating that the
         tender is being made and guaranteeing that, within five New York Stock
         Exchange trading days after the expiration date, the letter of
         transmittal (or facsimile thereof) together with the certificate(s)
         representing the notes (or a confirmation of book-entry transfer of
         such notes into the exchange agent's account at the book-entry transfer
         facility), and any other documents required by the letter of
         transmittal will be deposited by the firm with the exchange agent; and
    
 
   
     (3) such properly completed and executed letter of transmittal (of
         facsimile thereof), as well as the certificate(s) representing all
         tendered notes in proper form for transfer (or a confirmation of
         book-entry transfer of such notes into the exchange agent's account at
         the book-entry transfer facility), and all other documents required by
         the letter of transmittal are received by the exchange agent upon five
         New York Stock Exchange trading days after the expiration date.
    
 
                                       105
<PAGE>   111
 
   
     Upon request to the exchange agent, a notice of guaranteed delivery will be
sent to holders who wish to tender their notes according to the guaranteed
delivery procedures set forth above.
    
 
   
WITHDRAWAL OF TENDERS
    
 
   
     Except as otherwise provided herein, tenders of notes may be withdrawn at
any time prior to 5:00 p.m., New York City time, on the expiration date. To
withdraw a tender of notes in the exchange offer, a telegram, telex, letter or
facsimile transmission notice of withdrawal must be received by the exchange
agent at its address set forth herein prior to 5:00 p.m., New York City time, on
the expiration date. Any such notice of withdrawal must:
    
 
   
     (1) specify the name of the person having deposited the notes to be
         withdrawn;
    
 
   
     (2) identify the notes to be withdrawn (including the certificate number(s)
         and principal amount of such notes, or, in the case of notes
         transferred by book-entry transfer, the name and number of the account
         at the book-entry transfer facility to be credited);
    
 
   
     (3) be signed by the holder in the same manner as the original signature on
         the letter of transmittal by which such notes were tendered (including
         any required signature guarantees) or be accompanied by documents of
         transfer sufficient to have the trustee with respect to the notes
         register the transfer of such notes into the name of the person
         withdrawing the tender; and
    
 
   
     (4) specify the name in which any such notes are to be registered, if
         different from that of the person who deposited the notes.
    
 
   
     We will determine all questions as to the validity, form and eligibility
(including time of receipt) of such notices and our determination shall be final
and binding on all parties. Any notes so withdrawn will be deemed not to have
been validly tendered for purposes of the exchange offer and no exchange notes
will be issued with respect thereto unless the notes so withdrawn are validly
retendered. Any notes which have been tendered but which are not accepted for
exchange will be returned to the holder thereof without cost to such holder as
soon as practicable after withdrawal, rejection of tender or termination of the
exchange offer. Properly withdrawn notes may be retendered by following one of
the procedures described above under the heading "Procedures for Tendering Old
Notes" at any time prior to the expiration date.
    
 
   
CONDITIONS
    
 
   
     Notwithstanding any other term of the exchange offer, we shall not be
required to accept for exchange, or exchange exchange notes for, any notes, and
may terminate or amend the exchange offer as provided herein before the
acceptance of such notes, if:
    
 
   
     (1) any action or proceeding is instituted or threatened in any court or by
         or before any governmental agency with respect to the exchange offer
         which, in our sole judgment, might materially impair our ability to
         proceed with the exchange offer or any material adverse development has
         occurred in any existing action or proceeding with respect to us or any
         of our Subsidiaries; or
    
 
   
     (2) any law, statute, rule, regulation or interpretation by the staff of
         the Commission is proposed, adopted or enacted, which, in our sole
         judgment, might materially impair our ability to proceed with the
         exchange offer or materially impair the contemplated benefits of the
         exchange offer to us; or
    
 
   
     (3) any governmental approval has not been obtained, which approval we
         shall, in our sole discretion, deem necessary for the consummation of
         the exchange offer as contemplated hereby.
    
 
                                       106
<PAGE>   112
 
   
     If we determine in our sole discretion that any of the conditions are not
satisfied, we may:
    
 
   
     (1) refuse to accept any notes and return all tendered notes to the
         tendering holders;
    
 
   
     (2) extend the exchange offer and retain all notes tendered prior to the
         expiration of the exchange offer, subject, however, to the rights of
         holders to withdraw such notes; or
    
 
   
     (3) waive such unsatisfied conditions with respect to the exchange offer
         and accept all properly tendered notes which have not been withdrawn.
    
 
   
EXCHANGE AGENT
    
 
   
     United States Trust Company of New York has been appointed as the exchange
agent for the exchange offer. All executed letters of transmittal should be
directed to the exchange agent at the address set forth below. Questions and
requests for assistance, requests for additional copies of this Prospectus or of
the letter of transmittal and requests for Notices of Guaranteed Delivery should
be directed to the exchange agent addressed as follows:
    
 
<TABLE>
<S>                             <C>                             <C>
   By Overnight Courier and                By Hand:                    By Registered or
    by Hand after 4:30 pm            United States Trust               Certified Mail:
   on the Expiration Date:           Company of New York             United States Trust
     United States Trust          111 Broadway, Lower Level          Company of New York
     Company of New York           New York, New York 10006              P.O. Box 844
   770 Broadway, 13th Floor     Attn: Corporate Trust Services          Cooper Station
   New York, New York 10003             Via Facsimile:          New York, New York 10276-0844
       Attn: Corporate                  (212) 780-0592                 Attn: Corporate
        Trust Services          Attn: Corporate Trust Services          Trust Services
                                    Confirm by Telephone:
                                        (800) 548-6565
</TABLE>
 
     DELIVERY OTHER THAN AS SET FORTH ABOVE WILL NOT CONSTITUTE A VALID
DELIVERY.
 
FEES AND EXPENSES
 
   
     The expenses of soliciting tenders will be borne by us. The principal
solicitation is being made by mail; however, additional solicitation may be made
by telegraph, telecopy, telephone or in person by our officers and regular
employees and those of our affiliates.
    
 
   
     We have not retained any dealer-manager in connection with the exchange
offer and will not make any payments to brokers, dealers, or others soliciting
acceptances of the exchange offer. We, however, will pay the exchange agent
reasonable and customary fees for its services and will reimburse it for its
reasonable out-of-pocket expenses.
    
 
   
     We will pay the cash expenses to be incurred in connection with the
exchange offer. Such expenses include fees and expenses of the exchange agent
and Trustee, accounting and legal fees and printing costs, among others.
    
 
   
ACCOUNTING TREATMENT
    
 
   
     The exchange notes will be recorded at the same carrying value as the
notes, which is face value, as reflected in our accounting records on the date
of exchange. Accordingly, we will recognize no gain or loss for accounting
purposes. The expenses of the exchange offer will be expensed over the term of
the exchange notes.
    
 
                                       107
<PAGE>   113
 
   
TRANSFER TAXES
    
 
   
     Holders who tender their old notes for exchange will not be obligated to
pay any transfer taxes in connection therewith, except that holders who instruct
us to register exchange notes in the name of, or request that old notes not
tendered or not accepted in the exchange offer be returned to, a person other
than the registered tendering holder will be responsible for the payment of any
applicable transfer tax thereon.
    
 
CONSEQUENCES OF FAILURE TO EXCHANGE; RESALES OF EXCHANGE NOTES
 
   
     The notes that are not exchanged for exchange notes pursuant to the
exchange offer will remain restricted securities. Accordingly, such notes may be
resold only:
    
 
   
     (1) to us (upon redemption thereof or otherwise);
    
 
   
     (2) so long as the notes are eligible for resale pursuant to Rule 144A, to
         a person inside the United States whom the seller reasonably believes
         is a qualified institutional buyer within the meaning of Rule 144A
         under the Securities Act in a transaction meeting the requirements of
         Rule 144A, in accordance with Rule 144 under the Securities Act, or
         pursuant to another exemption from the registration requirements of the
         Securities Act (and based upon an opinion of counsel reasonably
         acceptable to us);
    
 
   
     (3) outside the United States to a foreign person in a transaction meeting
         the requirements of Rule 904 under the Securities Act; or
    
 
   
     (4) pursuant to an effective registration statement under the Securities
         Act, in each case in accordance with any applicable securities laws of
         any state of the United States.
    
 
   
RESALES OF THE EXCHANGE NOTES
    
 
   
     With respect to resales of exchange notes, based on interpretations by the
staff of the Commission set forth in no-action letters issued to third parties,
we believe that a holder or other person who receives exchange notes, whether or
not such person is the holder (other than a person that is our "affiliate"
within the meaning of Rule 405 under the Securities Act) who receives exchange
notes in exchange for notes in the ordinary course of business and who is not
participating, does not intend to participate, and has no arrangement or
understanding with any person to participate, in the distribution of the
exchange notes, will be allowed to resell the exchange notes to the public
without further registration under the Securities Act and without delivering a
prospectus that satisfies the requirements of Section 10 of the Securities Act.
However, if any holder acquires exchange notes in the exchange offer for the
purpose of distributing or participating in a distribution of the exchange
notes, such holder cannot rely on the position of the staff of the Commission
enunciated in such no-action letters or any similar interpretive letters, and
must comply with the registration and prospectus delivery requirements of the
Securities Act in connection with any resale transaction, unless an exemption
from registration is otherwise available. Further, each broker-dealer that
receives exchange notes for its own account in exchange for notes, where such
notes were acquired by such broker-dealer as a result of market-making
activities or other trading activities, must acknowledge that it will deliver a
prospectus in connection with any resale of such exchange notes.
    
 
                                       108
<PAGE>   114
 
            CERTAIN UNITED STATES FEDERAL INCOME TAX CONSIDERATIONS
 
   
     The following discussion, including the opinion of counsel described below,
is based upon current provisions of the Internal Revenue Code of 1986, as
amended, applicable Treasury regulations, judicial authority and administrative
rulings and practice. The Internal Revenue Service may take a contrary view, and
no ruling from the Service has been or will be sought. Legislative, judicial or
administrative changes or interpretations may be forthcoming that could alter or
modify the following statements and conditions. Any changes or interpretations
may or may not be retroactive and could affect the tax consequences to holders.
Certain holders (including insurance companies, tax-exempt organizations,
financial institutions, broker-dealers, foreign corporations and persons who are
not citizens or residents of the United States) may be subject to special rules
not discussed below. We recommend that each holder consult his own tax advisor
as to the particular tax consequences of exchanging such holder's old notes for
exchange notes, including the applicability and effect of any state, local or
foreign tax laws.
    
 
   
     Kirkland & Ellis, counsel to Neenah, has advised us that in its opinion,
the exchange of the old notes for exchange notes pursuant to the exchange offer
will not be treated as an "exchange" for federal income tax purposes because the
exchange notes will not be considered to differ materially in kind or extent
from the old notes. Rather, the exchange notes received by a holder will be
treated as a continuation of the old notes in the hands of such holder. As a
result, there will be no federal income tax consequences to holders exchanging
old notes for exchange notes pursuant to the exchange offer.
    
 
                                       109
<PAGE>   115
 
                              PLAN OF DISTRIBUTION
 
   
     Each broker-dealer that receives exchange notes for its own account
pursuant to the exchange offer must acknowledge that it will deliver a
prospectus in connection with any resale of such exchange notes.
    
 
   
     This prospectus, as it may be amended or supplemented from time to time,
may be used by a broker-dealer in connection with resales of exchange notes
received in exchange for series E notes where such series E notes were acquired
as a result of market-making activities or other trading activities.
    
 
   
     We and our guarantor subsidiaries have agreed, for a period of not less
than 180 days after the Expiration Date, to make this prospectus, as amended or
supplemented, available to any broker-dealer to use in connection with any such
resale. In addition, until [                    , 1999] (90 days after the date
of this prospectus), all dealers effecting transactions in the exchange notes
may be required to deliver a prospectus.
    
 
   
     Neither we nor our guarantor subsidiaries will receive any proceeds from
any sale of exchange notes by broker-dealers. Exchange notes received by
broker-dealers for their own account pursuant to the exchange offer may be sold
from time to time in one or more transactions in the over-the-counter market, in
negotiated transactions, through the writing of options on the exchange notes or
a combination of such methods of resale, at market prices prevailing at the time
of resale, at prices related to such prevailing market prices or negotiated
prices.
    
 
   
     Any such resale may be made directly to purchasers or to or through brokers
or dealers who may receive compensation in the form of commissions or
concessions from any such broker-dealer or the purchasers of any such exchange
notes. Any broker-dealer that resells exchange notes that were received by it
for its own account pursuant to the exchange offer and any broker or dealer that
participates in a distribution of such exchange notes may be deemed to be an
"underwriter" within the meaning of the Securities Act and any profit on any
such resale of exchange notes and any commissions or concessions received by any
such persons may be deemed to be underwriting compensation under the Securities
Act. The letter of transmittal states that, by acknowledging that it will
deliver and by delivering a prospectus, a broker-dealer will not be deemed to
admit that it is an "underwriter" within the meaning of the Securities Act.
    
 
   
     With respect to resales of exchange notes, based on interpretations by the
staff of the Commission set forth in no-action letters issued to third parties,
we and our guarantor subsidiaries believe that a holder or other person who
receives exchange notes, whether or not such person is the holder, other than a
person that is an "affiliate" of Neenah within the meaning of Rule 405 under the
Securities Act, who receives exchange notes in exchange for old notes in the
ordinary course of business and who is not participating, does not intend to
participate, and has no arrangement or understanding with person to participate,
in the distribution of the exchange notes, will be allowed to resell the
exchange notes to the public without further registration under the Securities
Act and without delivering to the purchasers of the exchange notes a prospectus
that satisfies the requirements of Section 10 of the Securities Act.
    
 
   
     However, if any holder acquires exchange notes in the exchange offer for
the purpose of distributing or participating in a distribution of the exchange
notes, such holder cannot rely on the position of the staff of the Commission
enunciated in such no-action letters or any similar interpretive letters, and
must comply with the registration and prospectus delivery requirements of the
Securities Act in connection with any resale transaction and such a secondary
resale transaction should be covered by an effective registration statement
containing the selling security holder information required by Item 507 or 508,
as applicable, of Regulation S-K under the Securities Act, unless an exemption
from registration is otherwise available.
    
 
   
     Further, each broker-dealer that receives exchange notes for its own
account in exchange for old notes, where such old notes were acquired by such
participating broker-dealer as a result of
    
                                       110
<PAGE>   116
 
   
market-making activities or other trading activities, must acknowledge that it
will deliver a prospectus in connection with any resale of such exchange notes.
We and each of our guarantor subsidiaries have agreed, for a period of not less
than 180 days from the consummation of the exchange offer, to will make this
prospectus available to any broker-dealer for use in connection with any such
resale.
    
 
   
     For a period of not less than 180 days after the expiration date we will
promptly send additional copies of this prospectus and any amendment or
supplement to this prospectus to any broker-dealer that requests such documents
in the letter of transmittal. We and each of our guarantor subsidiaries have
jointly and severally agreed to pay all expenses incident to the exchange offer,
including the expenses of one counsel for the holders of the series E senior
subordinated notes, other than commissions or concessions of any brokers or
dealers and will indemnify the holders of the series E senior subordinated notes
against certain liabilities, including liabilities under the Securities Act,
including any broker-dealers.
    
 
                                 LEGAL MATTERS
 
   
     Certain legal matters with respect to issuance of the exchange notes
offered hereby will be passed upon for Neenah and the guarantor subsidiaries by
Kirkland & Ellis, New York, New York.
    
 
                                    EXPERTS
 
   
     The consolidated financial statements of Neenah at March 31, 1996 and 1997
and at September 30, 1997 and 1998, and for the years ended March 31, 1996 and
1997, the one month ended April 30, 1997, the five months ended September 30,
1997 and for the year ended September 30, 1998, incorporated by reference in
this prospectus and in the registration statement, and the financial statement
schedule incorporated by reference in the registration statement have been
audited by Ernst & Young LLP, independent auditors, as set forth in their
reports thereon incorporated by reference in this Prospectus and in the
registration statement, and are included herein in reliance upon such reports
given upon the authority of such firm as experts in accounting and auditing.
    
 
   
     The consolidated financial statements of Dalton Corporation, formerly known
as The Dalton Foundries, Inc., as of January 3, 1998 and December 28, 1996 and
for each of the three fiscal years in the period ended January 3, 1998 included
in this Prospectus have been so included in reliance on the report of
PricewaterhouseCoopers LLP, independent accountants, given on authority of said
firm as experts in auditing and accounting.
    
 
     The consolidated financial statements of Mercer Forge Corporation and
Subsidiary as of November 30, 1997 and 1996, and for each of the years in the
two year period ended November 30, 1997, have been incorporated by reference
herein and in the registration statement in reliance upon the report of KPMG
LLP, independent auditors, incorporated by reference herein, and upon the
authority of said firm as experts in accounting and auditing.
 
                                       111
<PAGE>   117
 
                INCORPORATION OF CERTAIN DOCUMENTS BY REFERENCE
 
   
     The following portions of documents filed by Neenah with the Commission
pursuant to Section 13 or 15(d) of the Exchange Act (File No. 333-28751) are
incorporated herein by reference:
    
 
   
     (1) The consolidated financial statements, including the notes thereto and
         schedules filed therewith of Neenah and its predecessor company, and
         the independent auditors' reports thereon, filed as part of the Annual
         Report on Form 10-K for the fiscal year ended September 30, 1998;
    
 
   
     (2) The consolidated financial statements, including the notes thereto, of
         Mercer Forge Corporation and the independent auditors' report thereon
         contained in Item 7(a) "Financial Statements of Business Acquired" and
         the unaudited pro forma condensed consolidated financial statements,
         including the notes thereto, of Neenah contained in Item 7(b) "Pro
         Forma Financial Information," contained in Item 7 "Financial
         Statements, Pro Forma Financial Information and Exhibits" of the
         Current Reports on Form 8-K/A dated June 12, 1998 and November 5, 1998;
    
 
   
     (3) The consolidated financial statements, including the notes thereto, of
         Dalton Corporation and the report of independent accountants thereon
         contained in Item 7(a) "Financial Statements of Business Acquired" and
         the unaudited pro forma condensed consolidated financial statements,
         including the notes thereto, of Neenah contained in Item 7(b) "Pro
         Forma Financial Information," contained in Item 7 "Financial
         Statements, Pro Forma Financial Information and Exhibits" of the
         Current Reports on Form 8-K/A dated November 6, 1998, November 19,
         1998, and November 23, 1998; and
    
 
   
     (4) The unaudited condensed consolidated financial statements, including
         the notes thereto of Neenah, filed as part of the Current Report on
         Form 10-Q for the three months ended December 31, 1998.
    
 
   
     All documents and reports filed by Neenah pursuant to the exchange act
after the date of this prospectus will be deemed to be incorporated by reference
in this prospectus and to be a part hereof from the dates of filing such
documents or reports.
    
 
   
     Any statement contained herein or in a document incorporated by reference
herein shall be deemed to be modified or superseded for purposes of this
prospectus to the extent that a statement contained or incorporated by reference
herein modifies or supersedes such statement. Any such statement so modified or
superseded shall not be deemed, except as so modified or superseded, to
constitute a part of this prospectus.
    
 
   
     We will provide without charge to each person to whom a copy of this
prospectus is delivered, on the written or oral request of any such person, a
copy of any or all of the other documents incorporated herein by reference and
not delivered herewith, except the exhibits to such documents, unless such
exhibits are specifically incorporated by reference in such documents. Requests
for such documents should be directed to the attention of our Secretary at (920)
725-7000.
    
 
   
     The reports and other information, including the annual, quarterly and
current reports incorporated herein by reference and filed by us with the
Commission should also be available for inspection at the public reference
facilities of the Commission located at 450 Fifth Street, N.W., Washington, DC
20549, and at the regional offices of the Commission located at Citicorp Center,
500 West Madison Street (Suite 1400), Chicago, IL 60661 and Seven World Trade
Center, 13th Floor, New York, NY 10048. Copies should be obtainable by mail,
upon payment of the Commission's customary charges, by writing to the
Commission's principal office at 450 Fifth Street, N.W., Washington, DC 20549.
The Commission also maintains an internet website at http://www.sec.gov that
contains reports and other information.
    
 
                                       112
<PAGE>   118
 
                             AVAILABLE INFORMATION
 
   
     We and our guarantor subsidiaries have filed with the Commission a
Registration Statement on Form S-4, the "Exchange Offer Registration Statement,"
which term shall encompass all amendments, exhibits, annexes and schedules
thereto, pursuant to the Securities Act, and the rules and regulations
promulgated thereunder, covering the exchange notes being offered. This
prospectus does not contain all the information set forth in the exchange offer
registration statement. For further information with respect to Neenah, the
guarantor subsidiaries and the exchange offer, reference is made to the exchange
offer registration statement. Statements made in this prospectus as to the
contents of any contract, agreement or other document referred to are not
necessarily complete. With respect to each such contract, agreement or other
document filed as an exhibit to the exchange offer registration statement,
reference is made to the exhibit for a more complete description of the document
or matter involved, and each such statement shall be deemed qualified in its
entirety by such reference.
    
 
   
     The exchange offer registration statement, including the exhibits thereto,
can be inspected and copied at the public reference facilities maintained by the
Commission at Room 1024, 450 Fifth Street, N.W., Washington, D.C. 20549, and at
the Regional Offices of the Commission at Seven World Trade Center, Suite 1300,
New York, New York 10048 and at 500 West Madison Street, Suite 1400, Chicago,
Illinois 60661. Copies of such materials can be obtained from the Public
Reference Section of the Commission at 450 Fifth Street, N.W., Washington, D.C.
20549, at prescribed rates. In addition, the Commission maintains a Web site
that contains reports, proxy and information statements and other information
regarding registrants that file electronically with the Commission. The address
of such Web site is: http://www.sec.gov.
    
 
   
     We are currently subject to the informational requirements of the
Securities Act, and in accordance therewith will be required to file periodic
reports and other information with the Commission. Our obligation to file
periodic reports and other information with the Commission will be suspended if
the exchange notes are held of record by fewer than 300 holders as of the
beginning of our fiscal year other than the fiscal year in which the exchange
offer registration statement is declared effective.
    
 
   
     We will nevertheless be required to continue to file reports with the
Commission if the exchange notes are listed on a national securities exchange.
In the event we cease to be subject to the informational requirements of the
Exchange Act, we will be required under the indenture to continue to file with
the Commission the annual and quarterly reports, information, documents or other
reports, including, without limitation, reports on Forms 10-K, 10-Q and 8-K,
which would be required pursuant to the informational requirements of the
Exchange Act.
    
 
   
     Under the indenture, we shall file with the Trustee annual, quarterly and
other reports after it files such reports with the Commission. Annual reports
delivered to the Trustee and the holders of exchange notes will contain
financial information that has been examined and reported upon, with an opinion
expressed by an independent public accountant. We will also furnish such other
reports as may be required by law.
    
 
   
     Information contained in this prospectus contains "forward-looking
statements" which can be identified by the use of forward-looking terminology
such as "believes," "expects," "may," "will," "should," or "anticipates" or the
negative thereof or other similar terminology, or by discussions of strategy.
Our actual results could differ materially from those anticipated by any such
forward-looking statements as a result of certain factors, including those set
forth under the "Risk Factors" beginning on page 9 and elsewhere in this
prospectus.
    
                            ------------------------
 
                                       113
<PAGE>   119
 
            INDEX TO THE FINANCIAL STATEMENTS FOR DALTON CORPORATION
 
<TABLE>
<S>                                                           <C>
Report of Independent Accountants...........................  F-2
Consolidated Balance Sheets for January 3, 1998 and December
  28, 1996..................................................  F-3
Consolidated Statements of Income for the years ended
  January 3, 1998, December 28, 1996 and December 30,
  1995......................................................  F-4
Consolidated Statements of Stockholders' Equity for the
  years ended January 3, 1998, December 28, 1996 and
  December 30, 1995.........................................  F-5
Consolidated Statements of Cash Flows for the years ended
  January 3, 1998, December 28, 1996 and December 30,
  1995......................................................  F-6
Notes to Consolidated Financial Statements..................  F-7
</TABLE>
 
                                       F-1
<PAGE>   120
 
                       REPORT OF INDEPENDENT ACCOUNTANTS
 
To the Stockholders and
Board of Directors of
Dalton Corporation
 
     In our opinion, the accompanying consolidated balance sheets and the
related consolidated statements of income, stockholders' equity and of cash
flows present fairly, in all material respects, the financial position of Dalton
Corporation (formerly known as The Dalton Foundries, Inc.) and its subsidiaries
at January 3, 1998 and December 28, 1996, and the results of their operations
and their cash flows for each of the three years in the period ended January 3,
1998, in conformity with generally accepted accounting principles. 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 of these statements in accordance with
generally accepted auditing standards which 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,
assessing the accounting principles used and significant estimates made by
management, and evaluating the overall financial statement presentation. We
believe that our audits provide a reasonable basis for the opinion expressed
above.
 
                                          /s/ PRICEWATERHOUSECOOPERS LLP
 
                                          --------------------------------------
                                          PricewaterhouseCoopers LLP
 
Indianapolis, Indiana
March 6, 1998, except as to
  Note 13, which is as of September 8, 1998
 
                                       F-2
<PAGE>   121
 
                          CONSOLIDATED BALANCE SHEETS
 
<TABLE>
<CAPTION>
                                                               JANUARY 3,     DECEMBER 28,
                                                                  1998            1996
                                                              ------------    ------------
<S>                                                           <C>             <C>
ASSETS
Current assets:
  Cash and cash equivalents.................................  $    184,097    $    167,377
  Accounts receivable, trade, net of allowance for doubtful
     accounts of $150,000 in each year (Note 6).............    19,907,606      19,203,346
  Accounts receivable from affiliate (Note 5)...............            --       1,887,391
  Income taxes receivable (Notes 1 and 7)...................       219,361         702,971
  Inventories (Notes 1, 3 and 6)............................    13,065,647      13,304,238
  Prepaid expenses and other assets.........................     2,031,280       1,208,056
  Current deferred taxes (Notes 1 and 7)....................       922,238         737,416
                                                              ------------    ------------
     Total current assets...................................    36,330,229      37,210,795
                                                              ------------    ------------
Property, plant and equipment, net (Notes 1, 4 and 6).......    34,637,663      30,592,885
Cash value of life insurance................................     1,759,410       1,577,954
Other assets................................................     1,473,183       1,323,636
Investment in and advances to affiliate (Note 5)............            --         925,894
                                                              ------------    ------------
     Total assets...........................................  $ 74,200,485    $ 71,631,164
                                                              ============    ============
LIABILITIES AND STOCKHOLDERS' EQUITY
Current liabilities:
  Current portion of long-term obligations and notes payable
     (Notes 6 and 13).......................................  $    202,847    $  1,060,922
  Trade accounts payable....................................     9,742,856       7,811,748
  Salaries and wages........................................     3,481,816       3,472,222
  Group medical insurance...................................       931,900         821,313
  Taxes, other than income taxes............................       605,757         480,298
  Retirement benefits and deferred compensation (Note 8)....       818,103         339,596
  Accrued ESOP contribution (Note 8)........................     1,006,568              --
  Other.....................................................       804,197       1,087,954
                                                              ------------    ------------
     Total current liabilities..............................    17,594,044      15,074,053
                                                              ============    ============
Long-term obligations and notes payable (Notes 6 and 13)....    41,238,089      27,054,830
Long-term retirement benefits and deferred compensation
  (Note 8)..................................................     2,752,499       3,278,630
Long-term deferred income taxes (Notes 1 and 7).............     1,362,753       1,233,270
Commitments and contingencies (Notes 11 and 13)
Stockholders' equity:
  Common stock -- no par value, 8,750,000 shares authorized,
     4,801,750 shares issued (Notes 11, 12 and 13)..........       350,000         350,000
  Paid in capital...........................................    11,384,837      11,384,837
  Retained earnings.........................................    38,211,260      36,449,277
  Treasury stock, 2,430,407 and 1,889,573 shares at cost
     (Notes 11 and 12)......................................   (38,445,695)    (22,723,640)
  Minimum pension liability adjustment, net of tax (Note
     8).....................................................      (247,302)       (470,093)
                                                              ------------    ------------
     Total stockholders' equity.............................    11,253,100      24,990,381
                                                              ------------    ------------
     Total liabilities and stockholders' equity.............  $ 74,200,485    $ 71,631,164
                                                              ============    ============
</TABLE>
 
         The accompanying notes are an integral part of this statement.
                                       F-3
<PAGE>   122
 
                       CONSOLIDATED STATEMENTS OF INCOME
 
<TABLE>
<CAPTION>
                                                           FOR THE YEARS ENDED
                                               --------------------------------------------
                                                JANUARY 3,     DECEMBER 28,    DECEMBER 30,
                                                   1998            1996            1995
                                               ------------    ------------    ------------
<S>                                            <C>             <C>             <C>
Net sales....................................  $172,107,096    $154,506,085    $146,007,312
Cost of goods sold...........................   158,906,460     136,523,283     124,393,208
                                               ------------    ------------    ------------
     Gross profit............................    13,200,636      17,982,802      21,614,104
                                               ------------    ------------    ------------
Expenses:
  Selling....................................     2,745,837       2,803,663       2,137,483
  General and administrative.................     3,986,329       4,403,056       4,307,217
                                               ------------    ------------    ------------
     Operating profit........................     6,468,470      10,776,083      15,169,404
Other income (expense):
  Interest expense...........................    (2,958,124)     (1,798,819)     (1,057,600)
  Other income (expense), net................      (196,281)        242,474        (230,880)
                                               ------------    ------------    ------------
     Pretax income from operations...........     3,314,065       9,219,738      13,880,924
Provision for income taxes...................     1,017,480       3,553,628       5,319,000
                                               ------------    ------------    ------------
Income from operations.......................     2,296,585       5,666,110       8,561,924
Equity income (loss) from Stryker (Note 5)...            --           8,099         (42,728)
                                               ------------    ------------    ------------
Net income...................................  $  2,296,585    $  5,674,209    $  8,519,196
                                               ============    ============    ============
</TABLE>
 
         The accompanying notes are an integral part of this statement.
                                       F-4
<PAGE>   123
 
                CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY
<TABLE>
<CAPTION>
                                           NUMBER OF SHARES
                                     ----------------------------
                                          COMMON
                                          STOCK         TREASURY     COMMON      PAID IN      RETAINED       TREASURY
                                       OUTSTANDING        STOCK      STOCK       CAPITAL      EARNINGS        STOCK
                                     ----------------   ---------   --------   -----------   -----------   ------------
<S>                                  <C>                <C>         <C>        <C>           <C>           <C>
JANUARY 1, 1995....................     3,582,950       1,218,800   $350,000   $10,079,926   $23,455,420   $ (5,720,129)
Net income.........................                                                            8,519,196
Purchase of treasury stock.........      (298,460)        298,460                                            (6,292,705)
Cash dividends of $.18 per share...                                                             (599,501)
Change in minimum pension liability
  adjustment.......................
Contribution of treasury stock to
  ESOP.............................        18,685         (18,685)                 429,179                       48,638
Reduction in loan to ESOP..........
                                        ---------       ---------   --------   -----------   -----------   ------------
DECEMBER 30, 1995..................     3,303,175       1,498,575    350,000    10,509,105    31,375,115    (11,964,196)
Net income.........................                                                            5,674,209
Purchase of treasury stock.........      (424,086)        424,086                                           (10,845,579)
Cash dividends of $.18 per share...                                                             (600,047)
Change in minimum pension liability
  adjustment.......................
Contribution of treasury stock to
  ESOP.............................        33,088         (33,088)                 875,732                       86,135
                                        ---------       ---------   --------   -----------   -----------   ------------
DECEMBER 28, 1996..................     2,912,177       1,889,573    350,000    11,384,837    36,449,277    (22,723,640)
Net income.........................                                                            2,296,585
Purchase of treasury stock.........      (540,834)        540,834                                           (15,722,055)
Cash dividends of $.20 per share...                                                             (534,602)
Change in minimum pension liability
  adjustment.......................
                                        ---------       ---------   --------   -----------   -----------   ------------
JANUARY 3, 1998....................     2,371,343       2,430,407   $350,000   $11,384,837   $38,211,260   $(38,445,695)
                                        =========       =========   ========   ===========   ===========   ============
 
<CAPTION>
 
                                      MINIMUM
                                      PENSION                     TOTAL
                                     LIABILITY     LOAN TO    STOCKHOLDERS'
                                     ADJUSTMENT     ESOP         EQUITY
                                     ----------   ---------   -------------
<S>                                  <C>          <C>         <C>
JANUARY 1, 1995....................  $(340,523)   $(289,272)   $27,535,422
Net income.........................                              8,519,196
Purchase of treasury stock.........                             (6,292,705)
Cash dividends of $.18 per share...                               (599,501)
Change in minimum pension liability
  adjustment.......................    108,087                     108,087
Contribution of treasury stock to
  ESOP.............................                                477,817
Reduction in loan to ESOP..........                 289,272        289,272
                                     ---------    ---------    -----------
DECEMBER 30, 1995..................   (232,436)          --     30,037,588
Net income.........................                              5,674,209
Purchase of treasury stock.........                            (10,845,579)
Cash dividends of $.18 per share...                               (600,047)
Change in minimum pension liability
  adjustment.......................   (237,657)                   (237,657)
Contribution of treasury stock to
  ESOP.............................                                961,867
                                     ---------    ---------    -----------
DECEMBER 28, 1996..................   (470,093)          --     24,990,381
Net income.........................                              2,296,585
Purchase of treasury stock.........                            (15,722,055)
Cash dividends of $.20 per share...                               (534,602)
Change in minimum pension liability
  adjustment.......................    222,791                     222,791
                                     ---------    ---------    -----------
JANUARY 3, 1998....................  $(247,302)   $      --    $11,253,100
                                     =========    =========    ===========
</TABLE>
 
         The accompanying notes are an integral part of this statement.
 
                                       F-5
<PAGE>   124
 
                     CONSOLIDATED STATEMENTS OF CASH FLOWS
 
<TABLE>
<CAPTION>
                                                                 FOR THE YEARS ENDED
                                                  JANUARY 3,        DECEMBER 28,        DECEMBER 30,
                                                     1998               1996                1995
                                                 ------------    -------------------    ------------
<S>                                              <C>             <C>                    <C>
CASH FLOWS FROM OPERATING ACTIVITIES
Net income.....................................  $  2,296,585       $  5,674,209        $ 8,519,196
Adjustments to reconcile net income to net cash
  provided by operating activities:
  Depreciation expense.........................     6,659,295          5,551,810          5,084,829
  Equity (income) loss from Stryker............            --             (8,099)            42,728
  Contribution of treasury stock to ESOP.......            --            961,867            477,817
  Loss (gain) on disposal of property, plant
     and equipment.............................       191,091            (33,049)            52,664
  Change in, excluding effects of acquisitions:
     Accounts receivable, trade and other......     2,989,447         (1,947,507)        (4,278,637)
     Inventories...............................       571,246         (2,627,894)            (8,116)
     Accounts payable, trade and accrued
       liabilities.............................     1,055,552            585,925         (3,688,036)
     Deferred taxes............................      (339,224)           486,673           (278,696)
     Other.....................................    (1,138,550)           (30,525)          (518,271)
                                                 ------------       ------------        -----------
     Total adjustments.........................     9,988,857          2,939,201         (3,113,718)
                                                 ------------       ------------        -----------
  Net cash provided by operating activities....    12,285,442          8,613,410          5,405,478
                                                 ------------       ------------        -----------
CASH FLOWS FROM INVESTING ACTIVITIES
Additions to property, plant and equipment,
  excluding effects of acquisitions............    (6,706,277)        (6,594,714)        (7,439,097)
Proceeds from sale of property, plant and
  equipment....................................         5,919                 --              8,250
Acquisition of Stryker, net of cash assumed....      (200,000)                --                 --
Cash assumed in acquisition of Ashland.........            --                 --             44,382
                                                 ------------       ------------        -----------
  Net cash used in investing activities........    (6,900,358)        (6,594,714)        (7,386,465)
                                                 ------------       ------------        -----------
CASH FLOWS FROM FINANCING ACTIVITIES
Net borrowings under revolving loan............      (131,000)        10,128,243          7,393,757
Borrowing of long-term debt....................    11,019,293                 --          8,000,000
Repayment of long-term obligations.............            --         (1,084,130)        (6,262,184)
Dividends paid.................................      (534,602)          (600,047)          (599,501)
Purchase of treasury stock.....................   (15,722,055)       (10,845,579)        (6,292,705)
                                                 ------------       ------------        -----------
  Net cash (used in) provided by financing
     activities................................    (5,368,364)        (2,401,513)         2,239,367
                                                 ------------       ------------        -----------
Increase (decrease) in cash and cash
  equivalents..................................        16,720           (382,817)           258,380
Cash and cash equivalents at beginning of
  period.......................................       167,377            550,194            291,814
                                                 ------------       ------------        -----------
Cash and cash equivalents at end of period.....  $    184,097       $    167,377        $   550,194
                                                 ============       ============        ===========
SUPPLEMENTAL DISCLOSURES OF CASH FLOW
  INFORMATION:
Cash paid for interest.........................  $  2,985,453       $  1,831,683        $   829,457
Cash paid for income taxes.....................  $  1,192,614       $  3,005,000        $ 6,126,557
</TABLE>
 
         The accompanying notes are an integral part of this statement.
                                       F-6
<PAGE>   125
 
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
 
1.  DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
 
     BASIS OF PRESENTATION.  The consolidated financial statements include the
accounts of Dalton Corporation (formerly known as The Dalton Foundries, Inc.,
the Company or Dalton) and its wholly-owned subsidiaries, Warsaw Manufacturing
Facility (Warsaw), Kendallville Manufacturing Facility (formerly known as Newnam
Manufacturing, Inc., Kendallville), Ashland Manufacturing Facility (formerly
known as Ashland Castings Corporation, Ashland) and Stryker Machining Facility
(formerly known as Economy North, Stryker -- see Note 5). All intercompany
accounts and transactions have been eliminated.
 
     Prior to January 2, 1998, the Company was majority owned by an employee
stock ownership plan (ESOP, see Note 8), with 4.8% of the shares held outside of
the ESOP, primarily by certain key executives and officers of the Company.
Effective January 2, 1998, the Company repurchased all shares held outside of
the ESOP at the market value of the Company's stock as of December 28, 1996
(Note 8), for a total purchase price of $3,492,935. As a result, effective
January 3, 1998 the Company is 100% owned by the ESOP.
 
     DESCRIPTION OF BUSINESS.  The Company manufactures and sells grey iron
castings, primarily to the refrigeration, heavy equipment and automotive
industries. The Company operates foundries in Warsaw and Kendallville, Indiana
and Ashland, Ohio and a machining facility in Stryker, Ohio. The Company has no
foreign operations and direct export sales are not significant.
 
     USE OF ESTIMATES.  The preparation of financial statements in conformity
with generally accepted accounting principles requires management to make
estimates and assumptions that affect the reported amounts of assets and
liabilities and disclosure of contingent assets and liabilities at the date of
the financial statements and the reported amounts of revenues and expenses
during the reporting period. Actual results could differ from those estimates.
 
     FISCAL YEAR.  The Company's fiscal year ends on the Saturday nearest
December 31. Included in these financial statements are the fiscal years ended
January 3, 1998 (1997 -- 53 weeks), December 28, 1996 (1996 -- 52 weeks), and
December 30, 1995 (1995 -- 52 weeks).
 
     CASH FLOWS.  For purposes of the Statement of Cash Flows, the Company
considers all highly liquid instruments with a maturity of three months or less
at date of purchase to be cash and cash equivalents.
 
     INVENTORIES.  Inventories are stated at the lower of cost or market. Cost
is determined using the last-in, first-out (LIFO) method for approximately 67%
of the Company's inventories. Inventories not valued on LIFO are valued on the
first-in, first-out (FIFO) method.
 
     REVENUE RECOGNITION.  Revenues from product sales are recognized at the
time of shipment to the customer.
 
     PROPERTY, PLANT AND EQUIPMENT.  Properties are stated at cost. Maintenance
and minor repairs are expensed as incurred. Depreciation for financial reporting
purposes is determined using the straight-line method over the estimated useful
lives of the assets. The estimated lives are 7 to 8 years for land improvements,
7 to 20 years for buildings and improvements, and 2 to 10 years for machinery
and equipment. When property is retired from service or otherwise disposed of,
the cost and related amount of accumulated depreciation are eliminated from the
asset and reserve accounts, with the resulting gain or loss recognized in
income.
 
     INCOME TAXES.  The Company records income taxes in accordance with
Statement of Financial Accounting Standards (SFAS) No. 109 "Accounting for
Income Taxes". Deferred income taxes reflect the net tax effects of temporary
differences between the financial reporting carrying values of assets and
liabilities and the income tax carrying amounts.
 
                                       F-7
<PAGE>   126
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
     FAIR VALUE OF FINANCIAL INSTRUMENTS.  The fair value of all financial
instruments where the face value differs from the fair value are estimated based
upon the use of current rates available for similar financial instruments. If
fair value accounting had been used at January 3, 1998 instead of the historic
basis of accounting used in the financial statements, long-term debt would be
reduced from the reported level by approximately $600,000.
 
2.  ACQUISITION OF ASHLAND MANUFACTURING FACILITY
 
     On July 1, 1995 the net assets of Ashland were acquired by Dalton. At the
time of the acquisition, the fair value of the assets exceeded the fair value of
the liabilities by $1,887,000. The basis of long-term assets, primarily
machinery and equipment, was reduced by this excess. The purchase agreement
requires that Dalton pay the seller, as purchase price consideration, the lesser
of 50% of Ashland's cumulative net income earned through December 31, 2001 or
$7,000,000. Dalton has made no payments to the seller since the date of
acquisition.
 
     This transaction was recorded as a purchase of assets in accordance with
Accounting Principles Board Opinion No. 16 (APB 16), "Business Combinations".
The results of Ashland subsequent to July 1, 1995 have been included in these
financial statements. These results reflect cumulative net losses of $7,724,338.
 
3.  INVENTORIES
 
     Inventories consist of the following:
 
<TABLE>
<CAPTION>
                                                         JANUARY 3,     DECEMBER 28,
                                                            1998            1996
                                                         -----------    ------------
<S>                                                      <C>            <C>
Raw materials and supplies.............................  $ 1,651,054    $ 1,342,007
In process and finished goods..........................    8,434,856      8,754,406
Factory supplies.......................................    2,979,737      3,207,825
                                                         -----------    -----------
          Total inventories............................  $13,065,647    $13,304,238
                                                         ===========    ===========
</TABLE>
 
     If the FIFO method of accounting had been used for all inventories,
inventories would have increased by $1,165,699 at January 3, 1998 and $542,909
at December 28, 1996.
 
4.  PROPERTY, PLANT AND EQUIPMENT
 
     Property, plant and equipment consist of the following:
 
<TABLE>
<CAPTION>
                                                         JANUARY 3,     DECEMBER 28,
                                                            1998            1996
                                                         -----------    ------------
<S>                                                      <C>            <C>
Land and improvements..................................  $ 1,777,812    $ 1,709,710
Buildings and improvements.............................   10,157,540      7,813,421
Machinery and equipment................................   59,361,016     51,947,021
                                                         -----------    -----------
                                                          71,296,368     61,470,152
Accumulated depreciation...............................  (37,874,273)   (32,244,594)
                                                         -----------    -----------
                                                          33,422,095     29,225,558
Construction in progress...............................    1,215,568      1,367,327
                                                         -----------    -----------
Net property, plant and equipment......................  $34,637,663    $30,592,885
                                                         ===========    ===========
</TABLE>
 
                                       F-8
<PAGE>   127
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
5.  STRYKER MACHINING FACILITY
 
     Prior to January 2, 1997, the Company owned a 50% interest in Stryker.
Stryker machines castings produced by Kendallville and sells the finished
castings primarily within the automotive industry. This investment was accounted
for using the equity method of accounting.
 
     Effective January 2, 1997, the Company purchased from its joint venture
partner the remaining 50% interest in Stryker, for a purchase price of
$1,000,000, $200,000 payable in cash and the balance in the form of an
interest-free installment note payable in equal annual payments over a five year
period. Based upon its non-cash nature, the installment note payable has not
been reflected within the Statements of Cash Flows. The net present value of the
purchase price approximated the book value of the remaining 50% interest. This
transaction was accounted for as a purchase transaction in accordance with APB
16.
 
     Sales of castings to Stryker were $5,503,725 in 1996 and $5,584,428 in
1995. Management fees charged to Stryker were $12,000 in 1996 and 1995. All such
amounts in 1997 have been eliminated as the results of Stryker have been
consolidated with the Company subsequent to the purchase of the remaining 50%
ownership interest.
 
     A summary of Stryker's financial information for 1996 and 1995 is as
follows:
 
<TABLE>
<CAPTION>
                                                                  DECEMBER 31,
                                                            ------------------------
                                                               1996          1995
                                                            ----------    ----------
<S>                                                         <C>           <C>
Cash......................................................  $   57,588    $   98,573
Trade accounts receivable.................................   1,223,954     1,108,272
Inventories...............................................     332,655       294,074
Other assets..............................................     188,245        75,033
Property and equipment, net...............................   4,228,721     4,694,814
                                                            ----------    ----------
     Total assets.........................................  $6,031,163    $6,270,766
                                                            ==========    ==========
Accounts payable to Kendallville..........................  $1,887,391    $1,512,952
Advances payable to Kendallville..........................      31,583        31,583
Other current liabilities.................................     785,735       807,372
Long-term obligations.....................................   1,537,832     2,146,435
Stockholders' equity......................................   1,788,622     1,772,424
                                                            ----------    ----------
     Total liabilities and stockholders' equity...........  $6,031,163    $6,270,766
                                                            ==========    ==========
</TABLE>
 
<TABLE>
<CAPTION>
                                                               FOR THE YEAR ENDED
                                                                  DECEMBER 31,
                                                            ------------------------
                                                               1996          1995
                                                            ----------    ----------
<S>                                                         <C>           <C>
Net sales.................................................  $9,191,675    $9,004,353
                                                            ==========    ==========
Net income (loss).........................................  $   16,197    $  (85,455)
                                                            ==========    ==========
</TABLE>
 
                                       F-9
<PAGE>   128
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
6.  LONG-TERM OBLIGATIONS AND NOTES PAYABLE
 
     Long-term obligations and notes payable consist of the following:
 
<TABLE>
<CAPTION>
                                                         JANUARY 3,     DECEMBER 28,
                                                            1998            1996
                                                         -----------    ------------
<S>                                                      <C>            <C>
Revolving and reducing line of credit..................  $20,000,000    $ 7,000,000
Revolving line of credit...............................   20,691,000     20,822,000
Capital lease obligations, 10%.........................        2,847         60,922
Borrowings against cash value of insurance policies,
  5%...................................................      232,830        232,830
Notes payable..........................................      514,259             --
                                                         -----------    -----------
Total obligations and notes payable....................   41,440,936     28,115,752
Amounts due within one year............................     (202,847)    (1,060,922)
                                                         -----------    -----------
Long-term obligations and notes payable................  $41,238,089    $27,054,830
                                                         ===========    ===========
</TABLE>
 
     The Company negotiated a number of modifications to its two primary
outstanding debt obligations during the course of fiscal 1997. The commitment
under the revolving and reducing line of credit was increased to $20,000,000,
payable in annual installments beginning in May 1999, with a balloon payment in
May 2002. The first annual installment due in May 1999 is $2,000,000, with
annual installments due in May 2000 and 2001 of $2,670,000. The facility bears
interest at a fixed rate of 8.56% for its entire term, with interest payable
monthly.
 
     The commitment under the revolving line of credit was increased to
$25,000,000 during the year. Interest on amounts outstanding under the facility
are charged at a rate which floats with LIBOR and the Company's Tangible Net
Worth Ratio, as defined in the loan agreement, and is payable monthly. The
interest rate approximated 9.465% as of January 3, 1998. The revolving line of
credit expires in May 1999, with a one-year renewal option if the Company
maintains compliance with terms of the agreement and certain covenants. Amounts
available under the revolving line of credit are also subject to a borrowing
base computation based upon receivable and inventory balances. As of January 3,
1998, the borrowing base computation indicated available borrowings under the
facility of $22,740,000.
 
     Each of the above debt obligations are secured by substantially all of the
assets of the Company, including accounts receivable, inventories and property,
plant and equipment. The obligations are jointly and severally guaranteed by the
Company and all its subsidiaries. The Company is subject to certain covenants in
relation to the above debt obligations, including the maintenance of a minimum
level of Tangible Net Worth, a maximum ratio of Total Liabilities to Tangible
Net Worth, and a minimum Debt Service ratio as defined in the loan agreements.
As of January 3, 1998, the Company was not in compliance with certain of these
covenants, which could effectively result in the obligations being callable on
demand. See Note 13 for subsequent actions taken by the lenders with respect to
such non-compliance.
 
     The outstanding notes payable of $514,259 at January 3, 1998 represents the
present value of the remaining installments due in relation to the acquisition
of Stryker (Note 5). Annual equal installments are due under the interest-free
note through 2001.
 
                                      F-10
<PAGE>   129
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
     Scheduled payments under the Company's debt agreements as of January 3,
1998 are as follows:
 
<TABLE>
<S>                                             <C>
1998..........................................  $   202,847
1999..........................................   22,841,996
2000..........................................    2,833,263
2001..........................................    2,670,000
2002..........................................   12,660,000
Thereafter....................................      232,830
                                                -----------
Total.........................................  $41,440,936
                                                ===========
</TABLE>
 
7.  INCOME TAXES
 
     At January 3, 1998, deferred tax assets consist primarily of temporary
differences associated with accruals such as pensions, deferred compensation
liabilities, self-insurance reserves, employee benefits and environmental
accruals, along with state operating loss carryforwards at Ashland. Deferred tax
liabilities relate to temporary differences primarily associated with property,
plant and equipment due to accelerated methods of depreciation for tax purposes.
Components of the net deferred tax liability are as follows:
 
<TABLE>
<CAPTION>
                                                         JANUARY 3,     DECEMBER 28,
                                                            1998            1996
                                                        ------------    ------------
<S>                                                     <C>             <C>
Deferred tax assets...................................  $  4,045,405    $  3,349,762
Deferred tax liabilities..............................    (3,862,059)     (3,428,116)
                                                        ------------    ------------
                                                             183,346         (78,354)
Valuation allowances..................................      (623,861)       (417,500)
                                                        ------------    ------------
Net deferred tax liability............................  $   (440,515)   $   (495,854)
                                                        ============    ============
</TABLE>
 
     A full valuation allowance has been recorded at January 3, 1998 and
December 28, 1996 relating to the net state deferred tax assets at Ashland,
including operating loss carryforwards. An operating loss carryforward of
$14,115,000 is available for Ohio State tax purposes, with expiration dates in
2010 through 2012.
 
     The provision for income taxes consists of the following:
 
<TABLE>
<CAPTION>
                                                1997          1996          1995
                                             ----------    ----------    ----------
<S>                                          <C>           <C>           <C>
Current income taxes:
  Federal..................................  $1,235,179    $1,797,665    $4,481,000
  State....................................     241,486     1,141,322     1,175,000
                                             ----------    ----------    ----------
Total current..............................   1,476,665     2,938,987     5,656,000
Deferred income taxes:
  Federal..................................    (394,379)      649,655      (303,000)
  State....................................     (64,806)      (35,014)      (34,000)
                                             ----------    ----------    ----------
Total deferred.............................    (459,185)      614,641      (337,000)
                                             ----------    ----------    ----------
Total provision for income taxes...........  $1,017,480    $3,553,628    $5,319,000
                                             ----------    ----------    ----------
</TABLE>
 
                                      F-11
<PAGE>   130
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
     A reconciliation of the statutory Federal income tax rate to the effective
income tax rate for each fiscal year is as follows:
 
<TABLE>
<CAPTION>
                                                              1997    1996    1995
                                                              ----    ----    ----
<S>                                                           <C>     <C>     <C>
Federal income tax at statutory rate........................  34.0%   34.0%   34.0%
State income tax, net of Federal benefit....................   3.5     7.9     5.4
ESOP dividend...............................................  (5.5)   (2.2)   (1.5)
Other.......................................................  (1.3)   (1.2)    0.4
                                                              ----    ----    ----
Effective income tax rate...................................  30.7%   38.5%   38.3%
                                                              ====    ====    ====
</TABLE>
 
     On March 2, 1998, the Company filed an election to be treated as an
S-Corporation for income tax purposes effective January 4, 1998. As a result of
this election, the Company will no longer be subject to Federal and state income
taxes, other than potential taxes resulting from the disposal of assets within a
ten-year period of the election or non-income based taxes. With this change in
tax status, the deferred tax accounts and other income tax accounts of the
Company will be adjusted in fiscal 1998 to take into account the new tax status
of the Company, subject to the maintenance of certain tax liabilities associated
with potential taxes due upon the disposition of assets subsequent to the
effective date of the S-Corporation election.
 
8.  RETIREMENT BENEFITS AND DEFERRED COMPENSATION
 
     Accrued retirement benefits and deferred compensation consist of the
following:
 
<TABLE>
<CAPTION>
                                                           JANUARY 3,    DECEMBER 28,
                                                              1998           1996
                                                           ----------    ------------
<S>                                                        <C>           <C>
Defined benefit plan.....................................  $1,578,197     $1,922,806
Supplemental benefits....................................   1,800,826      1,518,194
Defined contribution plans...............................     126,550        103,329
Multi-employer plan......................................      45,390         36,376
Other....................................................      19,639         37,521
                                                           ----------     ----------
                                                            3,570,602      3,618,226
Amounts to be paid within one year.......................    (818,103)      (339,596)
                                                           ----------     ----------
Long-term retirement benefits and
  deferred compensation..................................  $2,752,499     $3,278,630
                                                           ==========     ==========
</TABLE>
 
     DEFINED BENEFIT PLAN.  Substantially all of the Company's employees in the
Warsaw bargaining units are covered by a non-contributory defined benefit
pension plan. The plan provides benefits of stated amounts for each year of
service.
 
     The Company's pension expense was determined in accordance with SFAS No.
87, "Employers' Accounting for Pensions". The discount rate used was 7.25% for
all fiscal years. The assumed long-term rate of return on assets was 7.50% for
all fiscal years.
 
                                      F-12
<PAGE>   131
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
     Net pension expense consists of the following for each fiscal year:
 
<TABLE>
<CAPTION>
                                                 1997         1996         1995
                                               ---------    ---------    ---------
<S>                                            <C>          <C>          <C>
Service cost -- benefits earned during the
  period.....................................  $ 389,411    $ 363,655    $ 313,182
Interest on projected benefit obligation.....    501,806      430,603      394,839
Amortization of transition liability.........     26,437       26,437       26,437
Amortization of prior service cost...........     23,251       23,251       23,251
Actual return on plan assets.................   (820,660)    (418,620)    (664,568)
Unrecognized net gain........................    427,313       78,565      387,168
                                               ---------    ---------    ---------
Net pension expense..........................  $ 547,558    $ 503,891    $ 480,309
                                               =========    =========    =========
</TABLE>
 
     The funded status of the Company's defined benefit pension plan and the net
accrued pension liability recognized in the Company's consolidated Balance Sheet
consists of the following:
 
<TABLE>
<CAPTION>
                                                               1997          1996
                                                            ----------    ----------
<S>                                                         <C>           <C>
Actuarial present value of benefit obligations:
  Vested..................................................  $7,272,722    $6,544,105
  Nonvested...............................................     457,705       519,208
                                                            ----------    ----------
Projected benefit obligation..............................   7,730,427     7,063,313
Plan assets at fair value.................................   6,152,230     5,140,507
                                                            ----------    ----------
Projected benefit obligation in excess of plan assets.....   1,578,197     1,922,806
Unrecognized prior service cost...........................    (209,263)     (232,514)
Unrecognized net liability at January 4, 1987 being
  recognized over 15 years................................    (105,760)     (132,197)
Unrecognized net gains....................................    (380,463)     (723,215)
Recorded additional minimum liability.....................     695,486     1,087,926
                                                            ----------    ----------
Accrued pension liability.................................  $1,578,197    $1,922,806
                                                            ==========    ==========
</TABLE>
 
     The Company has recognized the amount of the projected benefit obligation
in excess of plan assets as a liability in its financial statements. An
intangible asset of $315,023 and $364,711 was recorded at January 3, 1998 and
December 28, 1996 with the remaining $380,463 and $723,215 of the minimum
liability recorded as a reduction of stockholders' equity, net of tax.
 
     SUPPLEMENTAL BENEFITS.  The Company provides supplemental retirement
benefits and death benefits for certain executives. As a method of funding a
portion of the benefits under this plan, the Company purchased and is the
beneficiary of life insurance policies with a cash value of $1,759,410 and a
face value of $3,246,392 at January 3, 1998. Provisions for these benefits are
charged to operations over the employees' expected terms of employment. Expense
of the plan, net of the increase in cash value of life insurance policies, was
$244,431 in 1997, $286,577 in 1996, and $253,763 in 1995.
 
     DEFINED CONTRIBUTION PLANS.  The Company maintains defined contribution
plans for substantially all non-union employees and Ashland union employees.
Participants may contribute up to 10% of their compensation on a pretax basis.
The Company may make contributions to the plans at its discretion. The expense
associated with these plans was $126,550 in 1997, $103,329 in 1996, and $82,643
in 1995. Warsaw also has a defined contribution plan for the union employees.
Participants may contribute up to 15% of their compensation on a pretax basis
and an additional 10% on a posttax basis. The Company does not make
contributions to the Plan.
 
                                      F-13
<PAGE>   132
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
     MULTI-EMPLOYER PLAN.  Substantially all of Kendallville's hourly employees
are covered by a union-sponsored multi-employer defined benefit pension plan. As
long as the Company remains a participant in this plan, its obligation is
satisfied by its defined contributions. Information is not available for the
union-sponsored plan to permit Kendallville to determine its share of any
unfunded vested benefits. Contributions to the Plan are established under a
collective bargaining agreement and charges to operations related to this plan
totaled $477,106 in 1997, $451,678 in 1996, and $391,623 in 1995.
 
     EMPLOYEE STOCK OWNERSHIP PLAN.  All employees of the Corporate location and
all non-union employees of the Company's Warsaw operation and Kendallville
operation participate in the ESOP. Effective January 1, 1996, all non-union
employees of the Ashland operation began participating in the ESOP. Effective
January 1, 1997, all employees of the Stryker facility also began participating
in the ESOP. The amount of the Company's annual contribution to the ESOP is at
the discretion of the Board of Directors. The total contribution is allocated to
participants based upon participant compensation. There is no outstanding debt
under the ESOP and all shares have been released and allocated. Historically,
the Company has funded a portion of its annual ESOP contribution with Company
stock. The market value of the Company's stock, as determined by an independent
appraiser, was $29.07 per share at December 28, 1996. There has been no updated
appraisal of stock value as of January 3, 1998. During 1997 the Company funded
its entire ESOP contribution with a cash contribution and in 1995 the
contribution was partially funded by cash. The Company's ESOP contributions for
each fiscal year were as follows:
 
<TABLE>
<CAPTION>
                                                    1997         1996        1995
                                                 ----------    --------    --------
<S>                                              <C>           <C>         <C>
Contribution based on compensation.............  $1,006,568    $961,867    $847,308
                                                 ==========    ========    ========
</TABLE>
 
9.  SIGNIFICANT CUSTOMERS
 
     The Company sells its products primarily to large industrial companies.
During each fiscal year, two customers individually comprised more than 10% of
sales. One customer comprised 17% of sales in 1997, and 20% of sales in 1996 and
1995, while the other customer comprised 12% of sales in 1997 and 1996, and 15%
of sales in 1995. At January 3, 1998 these two customers and one additional
customer collectively comprised 27% of trade accounts receivable. The Company
generally does not require collateral as a basis for granting credit.
 
10.  LEASES
 
     The Company maintains several operating leases with terms in excess of one
year. Minimum payments are approximately $320,000 in 1998, $200,000 in 1999 and
are approximately $100,000 in each of the three years subsequent to 1999. Lease
expense in fiscal 1997 was approximately $675,000 and was minimal in the other
two fiscal years.
 
11.  COMMITMENTS AND CONTINGENCIES
 
     STOCK REPURCHASE OBLIGATION.  When employees leave the Company they are
required to put, and the Company is obligated to purchase, all of their Dalton
common shares at an appraised price. The repurchase of these shares is generally
paid in equal annual installments over a five year period as allowed under the
ESOP. The Company is obligated to purchase approximately $23,560,770 of Company
stock from employees who have terminated or retired prior to January 3, 1998.
There has been no appraisal update for the 1997 year-end, therefore, this amount
is based upon the appraised price of the stock as of December 28, 1996, and is
subject to change based upon future appraised values.
 
                                      F-14
<PAGE>   133
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
     Repurchase commitments over the next five years, based upon the December
28, 1996 stock valuation, are as follows:
 
<TABLE>
<S>                                               <C>
1998............................................  $6,268,384
1999............................................  $6,051,822
2000............................................  $6,051,822
2001............................................  $3,769,942
2002............................................  $1,418,800
</TABLE>
 
     See Note 13 for subsequent events impacting the stock repurchase
obligation.
 
     MEDICAL BENEFITS AND WORKERS' COMPENSATION.  The Company is essentially
self-insured with respect to medical benefits and maintains excess insurance
coverage to limit its exposure. The Company is also self-insured for workers'
compensation exposures at the Warsaw operation and maintains excess insurance
coverage limiting its exposure to no more than $275,000 per accident. The
Company pays all Warsaw claims below the insured level. The Company charges the
expected ultimate costs of self-insured claims to income in the period the
accident or illness occurs. At January 3, 1998 the Company had accrued
$1,391,000 for reported and unreported medical and workers' compensation claims.
Actual costs may be different than this estimate.
 
     ENVIRONMENTAL.  The Company has been identified by the United States
Environmental Protection Agency (EPA) as a Potentially Responsible Party (PRP)
under Superfund legislation because industrial wastes were allegedly sent to two
hazardous waste sites (Wayne Reclamation Superfund site and Lakeland Superfund
site). Dalton has entered into a consent decree filed with the U.S. District
Court for the Wayne Reclamation Superfund site. All involved parties have
accepted the consent decree, and it is pending approval by the court. Dalton is
one of 16 defendants at the Lakeland Superfund site. Dalton has been previously
dismissed from the PRP list at this site; however, during 1997, the plaintiffs
appealed the dismissal previously entered in Dalton's favor. During February
1998, the Company reached an agreement with the EPA to settle its obligation for
the Lakeland Superfund site. The amount owed under the terms of the settlement
approximates the accrued amount recorded at January 3, 1998.
 
     The Company is also in the process of closing an on-site surface
impoundment. The amount accrued relative to this closure represents the
estimated total clean up, monitoring and administrative costs associated with
this closure. This project has been substantially completed as of January 3,
1998. The Company also operates an operating landfill at which on-going
environmental monitoring costs will be incurred.
 
     Total accruals for environmental liabilities are $150,370 at January 3,
1998.
 
12.  COMMON STOCK SPLIT
 
     Effective August 1, 1996, the Board of Directors approved an increase in
the number of authorized common shares to 8,750,000 and simultaneously declared
a five-for-one stock split on the Company's common stock. All share and per
share data included in this report reflect this stock split.
 
13.  SUBSEQUENT EVENTS
 
     On July 28, 1998, the Company had a fire at the Warsaw operation. There is
no current estimate of damages, however, the Company is fully insured for
property damage subject to a minimal deductible of $25,000. There were no
reported personal injuries and the Company did not suffer significant business
interruption as a result of the fire.
 
                                      F-15
<PAGE>   134
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
     On August 7, 1998, the Company entered into an agreement to sell all its
operations to Neenah Foundry Company (Neenah) for a purchase price of
$102,000,000, less amounts due under outstanding debt agreements and subject to
certain other adjustments. The agreement was subject to shareholder and
regulatory approval, which was received, and the transaction closed September 8,
1998. With consummation of the transaction, the ESOP was terminated, pending
approval from the Internal Revenue Service, and all shares were acquired.
Furthermore, certain "change in control" provisions of select benefit agreements
may be activated as a result of the transaction.
 
     Effective August 14, 1998, the Company's primary lenders formally waived
their rights with respect to certain covenant violations to accelerate payment
of amounts outstanding under the bank term loan and the revolving loan through
May 31, 1999, the scheduled expiration date of the revolving loan agreement.
Based upon the waiver of compliance, the amounts outstanding under these loan
agreements were classified as long-term within the Balance Sheet. With
consummation of the sale transaction to Neenah on September 8, 1998, all
outstanding debt obligations were paid in full from the sale proceeds.
 
                                      F-16
<PAGE>   135
 
- ------------------------------------------------------
- ------------------------------------------------------
 
   
WE HAVE NOT AUTHORIZED ANY DEALER, SALESPERSON OR OTHER PERSON TO GIVE ANY
INFORMATION OR REPRESENT ANYTHING NOT CONTAINED IN THIS PROSPECTUS. YOU MUST NOT
RELY ON ANY UNAUTHORIZED INFORMATION. THIS PROSPECTUS DOES NOT OFFER TO SELL OR
BUY ANY SHARES IN ANY JURISDICTION WHERE IT IS UNLAWFUL. THE INFORMATION IN THIS
PROSPECTUS IS CURRENT AS OF             , 1999.
    
 
                            ------------------------
 
                               TABLE OF CONTENTS
 
   
<TABLE>
<S>                                    <C>
Prospectus Summary...................     1
Risk Factors.........................     9
Use of Proceeds......................    16
Capitalization.......................    17
Selected Consolidated Financial and
  Other Data.........................    18
Management's Discussion and Analysis
  of Financial Condition and Results
  of Operations......................    21
Business.............................    30
Management...........................    49
Ownership of Securities..............    53
Certain Relationships and Related
  Transactions.......................    53
Description of Senior Bank
  Facilities.........................    54
Description of Notes.................    59
Exchange Offer.......................   102
Certain United States Federal Income
  Tax Considerations.................   109
Plan of Distribution.................   110
Legal Matters........................   111
Experts..............................   111
Incorporation of Certain Documents by
  Reference..........................   112
Available Information................   113
Index to the Financial Statements of
  Dalton Corporation.................   F-1
</TABLE>
    
 
   
UNTIL             , 1999 ([     ] DAYS AFTER THE DATE OF THIS PROSPECTUS), ALL
DEALERS THAT BUY, SELL OR TRADE THESE SECURITIES, WHETHER OR NOT PARTICIPATING
IN THIS EXCHANGE OFFER, MAY BE REQUIRED TO DELIVER A PROSPECTUS. THIS IS IN
ADDITION TO DEALERS' OBLIGATION TO DELIVER A PROSPECTUS WHEN ACTING AS
UNDERWRITERS AND WITH RESPECT TO THEIR UNSOLD ALLOTMENTS OR SUBSCRIPTIONS.
    
 
- ------------------------------------------------------
- ------------------------------------------------------
- ------------------------------------------------------
- ------------------------------------------------------
 
                                  $87,000,000
 
                       11 1/8% SENIOR SUBORDINATED NOTES
                                    DUE 2007
                           [NEENAH CORPORATION LOGO]
                            ------------------------
 
                                   PROSPECTUS
                            ------------------------
                                           , 1999
 
- ------------------------------------------------------
- ------------------------------------------------------
<PAGE>   136
 
                                    PART II
 
                     INFORMATION NOT REQUIRED IN PROSPECTUS
 
ITEM 20.  INDEMNIFICATION OF DIRECTORS AND OFFICERS.
 
     Sections 180.0850 to 180.0859 of the Wisconsin Statutes require a
corporation to indemnify any director or officer who is a party to any
threatened, pending or completed civil, criminal, administrative or
investigative action, suit, arbitration or other proceeding, whether formal or
informal, which involves foreign, federal, state or local law and which is
brought by or in the right of the corporation or by any other person. A
corporation's obligation to indemnify any such person includes the obligation to
pay any judgment, settlement, penalty, assessment, forfeiture or fine, including
any excise tax assessed with respect to an employee benefit plan, and all
reasonable expenses including fees, costs, charges, disbursements, attorney's
and other expenses except in those cases in which liability was incurred as a
result of the breach or failure to perform a duty which the director or officer
owes to the corporation and the breach or failure to perform constitutes: (i) a
willful failure to deal fairly with the corporation or its shareholders in
connection with a matter in which the director or officer has a material
conflict of interest; (ii) a violation of criminal law, unless the person has
reasonable cause to believe his conduct was lawful or had no reasonable cause to
believe his conduct was unlawful; (iii) a transaction from which the person
derived an improper personal profit; or (iv) willful misconduct.
 
     Unless otherwise provided in a corporation's articles of incorporation or
by-laws or by written agreement, an officer or director seeking indemnification
is entitled to indemnification if approved in any of the following manners: (i)
by majority vote of a disinterested quorum of the board of directors, or if such
quorum of disinterested directors cannot be obtained, by a majority vote of a
committee or two or more disinterested directors; (ii) by independent legal
counsel; (iii) by a panel of three arbitrators; (iv) by affirmative vote of
shareholders; (v) by a court; or (vi) with respect to any additional right to
indemnification granted by any other method permitted in Section 180.0859 of the
Wisconsin Statutes.
 
     Reasonable expenses incurred by a director or officer who is a party to a
proceeding may be reimbursed by a corporation at such time as the director or
officer furnishes to the corporation written affirmation of his good faith
belief that he has not breached or failed to perform his duties and a written
undertaking to repay any amounts advanced if it is determined that
indemnification by the corporation is not required.
 
     The indemnification provisions of Sections 180.0850 to 180.0859 are not
exclusive. A corporation may expand an officer's or director's right to
indemnification (i) in its articles of incorporation or by-laws; (ii) by written
agreement, (iii) by resolution of its board of directors; or (iv) by resolution
of a majority of all of the corporation's voting shares then issued and
outstanding.
 
     As permitted by Section 180.0859, the Registrant has adopted
indemnification provisions in its By-Laws which closely track the statutory
indemnification provisions with certain exceptions. In particular, Article VIII
of the Registrant's By-Laws provides that payment or reimbursement of expenses,
subject to certain limitations, will be mandatory rather than permissive.
 
     The Registrant maintains and has in effect insurance policies covering all
of their respective directors and officers against certain liabilities for
actions taken in such capacities, including liabilities under the Securities Act
of 1933.
 
ITEM 21.  EXHIBITS AND FINANCIAL STATEMENT SCHEDULES.
 
     (a) Exhibits.
 
     See Exhibit Index
 
     (b) Financial Statement Schedules.
 
                                      II-1
<PAGE>   137
 
ITEM 22.  UNDERTAKINGS.
 
     The undersigned registrant hereby undertakes:
 
     (1) To file, during any period in which offers or sales are being made, a
         post-effective amendment to this registration statement;
 
   
        (A) To include any prospectus required by Section 10(a)(3) of the
            Securities Act of 1933;
    
 
   
        (B) To reflect in the prospectus any facts or events arising after the
            effective date of the registration statement (or the most recent
            post-effective amendment thereof) which individually or in the
            aggregate, represent a fundamental change in the information set
            forth in the registration statement;
    
 
   
        (C) To include any material information with respect to the plan of
            distribution not previously disclosed in the registration statement
            or any material change to such information in the registration
            statement;
    
 
     (2) That, for the purpose of determining any liability under the Securities
         Act of 1933, each such post-effective amendment shall be deemed to be a
         new registration statement relating to the securities offered therein,
         and the offering of such securities at the time shall be deemed to be
         the initial bona fide offering thereof;
 
   
     (3) To remove from registration by means of a post-effective amendment any
         of the securities being registered which remain unsold at the
         termination of the offering.
    
 
     Insofar as indemnification for liabilities arising under the Securities Act
of 1933 (the "Securities Act") may be permitted to directors, officers and
controlling persons of the registrant pursuant to the provisions described under
Item 20 or otherwise, the registrant has been advised that in the opinion of the
Securities and Exchange Commission such indemnification is against public policy
as expressed in the Securities Act and is, therefore, unenforceable. In the
event that a claim for indemnification against such liabilities (other than the
payment by the registrant of expenses incurred or paid by a director, officer or
controlling person of the registrant in the successful defense of any action,
suit or proceeding) is asserted by such director, officer or controlling person
in connection with the securities being registered, the registrant will, unless
in the opinion of its counsel the matter has been settled by controlling
precedent, submit to a court of appropriate jurisdiction the question whether
such indemnification by it is against public policy as expressed in the
Securities Act and will be governed by the final adjudication of such issue.
 
                                      II-2
<PAGE>   138
 
     The undersigned registrant hereby undertakes that:
 
   
     (4) The undersigned registrant hereby undertakes to respond to requests for
         information that is incorporated by reference into the prospectus
         pursuant to Item 4, 10(b), 11 or 13 of this form, within one business
         day of receipt of such request, and to send the incorporated documents
         by first class mail or other equally prompt means. This includes
         information contained in documents filed subsequent to the effective
         date of the registration statement through the date of responding to
         the request.
    
 
   
     (5) The undersigned registrant hereby undertakes to supply by means of a
         post-effective amendment all information concerning a transaction, and
         the company being acquired involved therein, that was not the subject
         of and included in the registration statement when it became effective.
    
 
                                      II-3
<PAGE>   139
 
                                   SIGNATURES
 
   
     Pursuant to the requirements of the Securities Act of 1933, the Registrant
has duly caused this Amendment No. 1 to the Registration Statement on Form S-4
to be signed on its behalf by the undersigned, thereunto duly authorized, in the
City of Neenah, State of Wisconsin, on April 16, 1999.
    
 
                                          NEENAH FOUNDRY COMPANY
 
                                          By:                  *
 
                                            ------------------------------------
                                            Name: James K. Hildebrand
                                            Title:   Chairman and Chief
                                              Executive Officer
 
   
     Pursuant to the requirements of the Securities Act of 1933, this Amendment
No. 1 to the Registration Statement on Form S-4 has been signed by the following
persons in the capacities indicated on April 16, 1999.
    
 
<TABLE>
<CAPTION>
                  SIGNATURE                                           CAPACITY
                  ---------                                           --------
<C>                                                 <S>
 
                      *                             Chairman of the Board and Chief Executive
- ---------------------------------------------         Officer (principal executive officer)
             James K. Hildebrand
 
                      *                             President
- ---------------------------------------------
             William M. Barrett
 
             /s/ GARY W. LACHEY                     Vice President -- Finance, Treasurer and
- ---------------------------------------------         Secretary (principal financial officer and
               Gary W. LaChey                         accounting officer)
 
                      *                             Vice President -- Manufacturing and
- ---------------------------------------------         Engineering
              Charles M. Kurtti
 
                      *                             Director
- ---------------------------------------------
               David F. Thomas
 
                      *                             Director
- ---------------------------------------------
                John D. Weber
 
                      *                             Director
- ---------------------------------------------
              Brenton S. Halsey
</TABLE>
 
- ---------------
   
* Executed by power of attorney.
    
 
                                      II-4
<PAGE>   140
 
                                   SIGNATURES
 
   
     Pursuant to the requirements of the Securities Act of 1933, the Registrant
has duly caused this Amendment No. 1 to the Registration Statement on Form S-4
to be signed on its behalf by the undersigned, thereunto duly authorized, in the
City of Neenah, State of Wisconsin, on April 16, 1999.
    
 
                                          Hartley Controls Corporation
 
                                          By:                  *
                                            ------------------------------------
                                            Name: James K. Hildebrand
                                            Title:  Chairman and Chief Executive
                                              Officer
 
   
     Pursuant to the requirements of the Securities Act of 1933, this Amendment
No. 1 to the Registration Statement on Form S-4 has been signed by the following
persons in the capacities indicated on April 16, 1999.
    
 
<TABLE>
<CAPTION>
                  SIGNATURE                                           CAPACITY
                  ---------                                           --------
<C>                                            <S>
 
                      *                        Chairman of the Board and Chief Executive Officer
- ---------------------------------------------    (principal executive officer)
             James K. Hildebrand
 
                      *                        President
- ---------------------------------------------
             William M. Barrett
 
             /s/ GARY W. LACHEY                Vice President -- Finance, Treasurer and Secretary
- ---------------------------------------------    (principal financial officer and accounting officer)
               Gary W. LaChey
 
                      *                        Vice President -- Manufacturing and Engineering
- ---------------------------------------------
              Charles M. Kurtti
 
                      *                        Director
- ---------------------------------------------
               David F. Thomas
 
                      *                        Director
- ---------------------------------------------
                John D. Weber
 
                      *                        Director
- ---------------------------------------------
              Brenton S. Halsey
</TABLE>
 
- ---------------
   
* Executed by power of attorney.
    
 
                                      II-5
<PAGE>   141
 
                                   SIGNATURES
 
   
     Pursuant to the requirements of the Securities Act of 1933, the Registrant
has duly caused this Amendment No. 1 to the Registration Statement on Form S-4
to be signed on its behalf by the undersigned, thereunto duly authorized, in the
City of Neenah, State of Wisconsin, on April 16, 1999.
    
 
                                          NEENAH TRANSPORT, INC.
 
                                          By:                  *
                                            ------------------------------------
                                            Name: James K. Hildebrand
   
                                            Title:   Chairman and Chief
                                              Executive Officer
    
 
   
     Pursuant to the requirements of the Securities Act of 1933, this Amendment
No. 1 to the Registration Statement on Form S-4 has been signed by the following
persons in the capacities indicated on April 16, 1999.
    
 
<TABLE>
<CAPTION>
                     SIGNATURE                                           CAPACITY
                     ---------                                           --------
<C>                                                  <S>
                         *                           Chairman of the Board and Chief Executive Officer
- ---------------------------------------------------    (principal executive officer)
                James K. Hildebrand
 
                         *                           President
- ---------------------------------------------------
                William M. Barrett
 
                /s/ GARY W. LACHEY                   Vice President -- Finance, Treasurer and
- ---------------------------------------------------    Secretary (principal financial officer
                  Gary W. LaChey                       and accounting officer)
 
                         *                           Vice President -- Manufacturing and Engineering
- ---------------------------------------------------
                 Charles M. Kurtti
 
                         *                           Director
- ---------------------------------------------------
                  David F. Thomas
 
                         *                           Director
- ---------------------------------------------------
                   John D. Weber
 
                         *                           Director
- ---------------------------------------------------
                 Brenton S. Halsey
</TABLE>
 
- ---------------
   
* Executed by power of attorney.
    
 
                                      II-6
<PAGE>   142
 
                                   SIGNATURES
 
   
     Pursuant to the requirements of the Securities Act of 1933, the Registrant
has duly caused this Amendment No. 1 to the Registration Statement on Form S-4
to be signed on its behalf by the undersigned, thereunto duly authorized, in the
City of Neenah, State of Wisconsin, on April 16, 1999.
    
 
                                          DEETER FOUNDRY, INC.
 
                                          By:                  *
                                            ------------------------------------
                                            Name: James K. Hildebrand
                                            Title:   Chairman and Chief
                                              Executive Officer
 
   
     Pursuant to the requirements of the Securities Act of 1933, this Amendment
No. 1 to the Registration Statement on Form S-4 has been signed by the following
persons in the capacities indicated on April 16, 1999.
    
 
<TABLE>
<CAPTION>
                     SIGNATURE                                           CAPACITY
                     ---------                                           --------
<C>                                                  <S>
                         *                           Chairman of the Board and Chief Executive Officer
- ---------------------------------------------------    (principal executive officer)
                James K. Hildebrand
 
                         *                           President
- ---------------------------------------------------
                William M. Barrett
 
                /s/ GARY W. LACHEY                   Vice President -- Finance, Treasurer and
- ---------------------------------------------------    Secretary (principal financial officer
                  Gary W. LaChey                       and accounting officer)
 
                         *                           Vice President -- Manufacturing and Engineering
- ---------------------------------------------------
                 Charles M. Kurtti
 
                         *                           Director
- ---------------------------------------------------
                  David F. Thomas
 
                         *                           Director
- ---------------------------------------------------
                   John D. Weber
 
                         *                           Director
- ---------------------------------------------------
                 Brenton S. Halsey
</TABLE>
 
- ---------------
   
* Executed by power of attorney.
    
 
                                      II-7
<PAGE>   143
 
                                   SIGNATURES
 
   
     Pursuant to the requirements of the Securities Act of 1933, the Registrant
has duly caused this Amendment No. 1 to the Registration Statement on Form S-4
to be signed on its behalf by the undersigned, thereunto duly authorized, in the
City of Neenah, State of Wisconsin, on April 16, 1999.
    
 
                                          MERCER FORGE CORPORATION
 
                                          By:                  *
                                            ------------------------------------
                                            Name: James K. Hildebrand
                                            Title:   Chairman and
   
                                                 Chief Executive Officer
    
 
   
     Pursuant to the requirements of the Securities Act of 1933, this Amendment
No. 1 to the Registration Statement on Form S-4 has been signed by the following
persons in the capacities indicated on April 16, 1999:
    
 
<TABLE>
<CAPTION>
                     SIGNATURE                                            CAPACITY
                     ---------                                            --------
<C>                                                    <S>
                         *                             Chairman of the Board and
- ---------------------------------------------------      Chief Executive Officer
                James K. Hildebrand                      (principal executive officer)
 
                         *                             President
- ---------------------------------------------------
                William M. Barrett
 
                /s/ GARY W. LACHEY                     Vice President -- Finance, Treasurer and
- ---------------------------------------------------      Secretary (principal financial officer
                  Gary W. LaChey                         and accounting officer)
 
                         *                             Vice President -- Manufacturing and Engineering
- ---------------------------------------------------
                 Charles M. Kurtti
 
                         *                             Director
- ---------------------------------------------------
                  David F. Thomas
 
                         *                             Director
- ---------------------------------------------------
                   John D. Weber
 
                         *                             Director
- ---------------------------------------------------
                 Brenton S. Halsey
</TABLE>
 
- ---------------
   
* Executed by power of attorney.
    
 
                                      II-8
<PAGE>   144
 
                                   SIGNATURES
 
   
     Pursuant to the requirements of the Securities Act of 1933, the Registrant
has duly caused this Amendment No. 1 to the Registration Statement on Form S-4
to be signed on its behalf by the undersigned, thereunto duly authorized, in the
City of Neenah, State of Wisconsin, on April 16, 1999.
    
 
                                          A & M SPECIALTIES, INC.
 
                                          By:                  *
                                            ------------------------------------
                                            Name: James K. Hildebrand
                                            Title:   Chairman and Chief
                                                     Executive Officer
 
   
     Pursuant to the requirements of the Securities Act of 1933, this Amendment
No. 1 to the Registration Statement on Form S-4 has been signed by the following
persons in the capacities indicated on April 16, 1999.
    
 
<TABLE>
<CAPTION>
                     SIGNATURE                                           CAPACITY
                     ---------                                           --------
<C>                                                  <S>
                         *                           Chairman of the Board and Chief Executive Officer
- ---------------------------------------------------    (principal executive officer)
                James K. Hildebrand
 
                         *                           President
- ---------------------------------------------------
                William M. Barrett
 
                /s/ GARY W. LACHEY                   Vice President -- Finance, Treasurer and
- ---------------------------------------------------    Secretary
                  Gary W. LaChey                       (principal financial officer and accounting
                                                       officer)
 
                         *                           Vice President -- Manufacturing and Engineering
- ---------------------------------------------------
                 Charles M. Kurtti
 
                         *                           Director
- ---------------------------------------------------
                  David F. Thomas
 
                         *                           Director
- ---------------------------------------------------
                   John D. Weber
 
                         *                           Director
- ---------------------------------------------------
                 Brenton S. Halsey
</TABLE>
 
- ---------------
   
* Executed by power of attorney.
    
 
                                      II-9
<PAGE>   145
 
                                   SIGNATURES
 
   
     Pursuant to the requirements of the Securities Act of 1933, the Registrant
has duly caused this Amendment No. 1 to the Registration Statement on Form S-4
to be signed on its behalf by the undersigned, thereunto duly authorized, in the
City of Neenah, State of Wisconsin, on April 16, 1999.
    
 
                                          ADVANCED CAST PRODUCTS, INC.
 
                                          By:                  *
                                            ------------------------------------
                                            Name: James K. Hildebrand
                                            Title:   Chairman and Chief
                                              Executive Officer
 
   
     Pursuant to the requirements of the Securities Act of 1933, this Amendment
No. 1 to the Registration Statement on Form S-4 has been signed by the following
persons in the capacities indicated on April 16, 1999.
    
 
<TABLE>
<CAPTION>
                     SIGNATURE                                           CAPACITY
                     ---------                                           --------
<C>                                                  <S>
                         *                           Chairman of the Board and Chief Executive Officer
- ---------------------------------------------------    (principal executive officer)
                James K. Hildebrand
 
                         *                           President
- ---------------------------------------------------
                William M. Barrett
 
                /s/ GARY W. LACHEY                   Vice President -- Finance, Treasurer and
- ---------------------------------------------------    Secretary (principal financial officer and
                  Gary W. LaChey                       accounting officer)
 
                         *                           Vice President -- Manufacturing and Engineering
- ---------------------------------------------------
                 Charles M. Kurtti
 
                         *                           Director
- ---------------------------------------------------
                  David F. Thomas
 
                         *                           Director
- ---------------------------------------------------
                   John D. Weber
 
                         *                           Director
- ---------------------------------------------------
                 Brenton S. Halsey
</TABLE>
 
- ---------------
   
* Executed by power of attorney.
    
 
                                      II-10
<PAGE>   146
 
                                   SIGNATURES
 
   
     Pursuant to the requirements of the Securities Act of 1933, the Registrant
has duly caused this Amendment No. 1 to the Registration Statement on Form S-4
to be signed on its behalf by the undersigned, thereunto duly authorized, in the
City of Neenah, State of Wisconsin, on April 16, 1999.
    
 
                                          BELCHER CORPORATION
 
                                          By:                  *
                                            ------------------------------------
                                            Name: James K. Hildebrand
                                            Title:   Chairman and Chief
                                                     Executive Officer
 
   
     Pursuant to the requirements of the Securities Act of 1933, this Amendment
No. 1 to the Registration Statement on Form S-4 has been signed by the following
persons in the capacities indicated on April 16, 1999.
    
 
<TABLE>
<CAPTION>
                     SIGNATURE                                           CAPACITY
                     ---------                                           --------
<C>                                                  <S>
                         *                           Chairman of the Board and Chief Executive Officer
- ---------------------------------------------------    (principal executive officer)
                James K. Hildebrand
 
                         *                           President
- ---------------------------------------------------
                William M. Barrett
 
                /s/ GARY W. LACHEY                   Vice President -- Finance, Treasurer and
- ---------------------------------------------------    Secretary (principal financial officer and
                  Gary W. LaChey                       accounting officer)
 
                         *                           Vice President -- Manufacturing and Engineering
- ---------------------------------------------------
                 Charles M. Kurtti
 
                         *                           Director
- ---------------------------------------------------
                  David F. Thomas
 
                         *                           Director
- ---------------------------------------------------
                   John D. Weber
 
                         *                           Director
- ---------------------------------------------------
                 Brenton S. Halsey
</TABLE>
 
- ---------------
   
* Executed by power of attorney.
    
 
                                      II-11
<PAGE>   147
 
                                   SIGNATURES
 
   
     Pursuant to the requirements of the Securities Act of 1933, the Registrant
has duly caused this Amendment No. 1 to the Registration Statement on Form S-4
to be signed on its behalf by the undersigned, thereunto duly authorized, in the
City of Neenah, State of Wisconsin, on April 16, 1999.
    
 
                                          PEERLESS CORPORATION
 
                                          By:                  *
                                            ------------------------------------
                                            Name: James K. Hildebrand
                                            Title:   Chairman and Chief
                                              Executive Officer
 
   
     Pursuant to the requirements of the Securities Act of 1933, this Amendment
No. 1 to the Registration Statement on Form S-4 has been signed by the following
persons in the capacities indicated on April 16, 1999.
    
 
<TABLE>
<CAPTION>
                     SIGNATURE                                           CAPACITY
                     ---------                                           --------
<C>                                                  <S>
                         *                           Chairman of the Board and Chief Executive Officer
- ---------------------------------------------------    (principal executive officer)
                James K. Hildebrand
 
                         *                           President
- ---------------------------------------------------
                William M. Barrett
 
                /s/ GARY W. LACHEY                   Vice President -- Finance, Treasurer and
- ---------------------------------------------------    Secretary (principal financial officer and
                  Gary W. LaChey                       accounting officer)
 
                         *                           Vice President -- Manufacturing and Engineering
- ---------------------------------------------------
                 Charles M. Kurtti
 
                         *                           Director
- ---------------------------------------------------
                  David F. Thomas
 
                         *                           Director
- ---------------------------------------------------
                   John D. Weber
 
                         *                           Director
- ---------------------------------------------------
                 Brenton S. Halsey
</TABLE>
 
- ---------------
   
* Executed by power of attorney.
    
 
                                      II-12
<PAGE>   148
 
                                   SIGNATURES
 
   
     Pursuant to the requirements of the Securities Act of 1933, the Registrant
has duly caused this Amendment No. 1 to the Registration Statement on Form S-4
to be signed on its behalf by the undersigned, thereunto duly authorized, in the
City of Neenah, State of Wisconsin, on April 16, 1999.
    
 
                                          DALTON CORPORATION
 
                                          By:                  *
                                            ------------------------------------
                                            Name: James K. Hildebrand
                                            Title:   Chairman and Chief
                                              Executive Officer
 
   
     Pursuant to the requirements of the Securities Act of 1933, this Amendment
No. 1 to the Registration Statement on Form S-4 has been signed by the following
persons in the capacities indicated on April 16, 1999.
    
 
<TABLE>
<CAPTION>
                      SIGNATURE                                           CAPACITY
                      ---------                                           --------
<C>                                                    <S>
                          *                            Chairman of the Board and Chief Executive
- -----------------------------------------------------    Officer
                 James K. Hildebrand                     (principal executive officer)
 
                          *                            President
- -----------------------------------------------------
                 William M. Barrett
 
                 /s/ GARY W. LACHEY                    Vice President -- Finance, Treasurer and
- -----------------------------------------------------    Secretary (principal financial officer
                   Gary W. LaChey                        and accounting officer)
 
                          *                            Vice President -- Manufacturing and
- -----------------------------------------------------    Engineering
                  Charles M. Kurtti
 
                          *                            Director
- -----------------------------------------------------
                   David F. Thomas
 
                          *                            Director
- -----------------------------------------------------
                    John D. Weber
 
                          *                            Director
- -----------------------------------------------------
                  Brenton S. Halsey
</TABLE>
 
- ---------------
   
* Executed by power of attorney.
    
 
                                      II-13
<PAGE>   149
 
                                   SIGNATURES
 
   
     Pursuant to the requirements of the Securities Act of 1933, the Registrant
has duly caused this Amendment No. 1 to the Registration Statement on Form S-4
to be signed on its behalf by the undersigned, thereunto duly authorized, in the
City of Neenah, State of Wisconsin, on April 16, 1999.
    
 
                                          DALTON CORPORATION,
                                          WARSAW MANUFACTURING FACILITY
 
                                          By:                  *
                                            ------------------------------------
                                            Name: James K. Hildebrand
                                            Title:   Chairman and Chief
                                                     Executive Officer
 
   
     Pursuant to the requirements of the Securities Act of 1933, this Amendment
No. 1 to the Registration Statement on Form S-4 has been signed by the following
persons in the capacities indicated on April 16, 1999.
    
 
<TABLE>
<CAPTION>
                     SIGNATURE                                           CAPACITY
                     ---------                                           --------
<C>                                                  <S>
                         *                           Chairman of the Board and Chief Executive Officer
- ---------------------------------------------------    (principal executive officer)
                James K. Hildebrand
 
                         *                           President
- ---------------------------------------------------
                William M. Barrett
 
                /s/ GARY W. LACHEY                   Vice President -- Finance, Treasurer and
- ---------------------------------------------------    Secretary (principal financial officer
                  Gary W. LaChey                       and accounting officer)
 
                         *                           Vice President -- Manufacturing and Engineering
- ---------------------------------------------------
                 Charles M. Kurtti
 
                         *                           Director
- ---------------------------------------------------
                  David F. Thomas
 
                         *                           Director
- ---------------------------------------------------
                   John D. Weber
 
                         *                           Director
- ---------------------------------------------------
                 Brenton S. Halsey
</TABLE>
 
- ---------------
   
* Executed by power of attorney.
    
 
                                      II-14
<PAGE>   150
 
                                   SIGNATURES
 
   
     Pursuant to the requirements of the Securities Act of 1933, the Registrant
has duly caused this Amendment No. 1 to the Registration Statement on Form S-4
to be signed on its behalf by the undersigned, thereunto duly authorized, in the
City of Neenah, State of Wisconsin, on April 16, 1999.
    
 
                                          DALTON CORPORATION,
                                          ASHLAND MANUFACTURING FACILITY
 
                                          By:                  *
                                            ------------------------------------
                                            Name: James K. Hildebrand
                                            Title:   Chairman and Chief
                                              Executive Officer
 
   
     Pursuant to the requirements of the Securities Act of 1933, this Amendment
No. 1 to the Registration Statement on Form S-4 has been signed by the following
persons in the capacities indicated on April 16, 1999.
    
 
<TABLE>
<CAPTION>
                     SIGNATURE                                           CAPACITY
                     ---------                                           --------
<C>                                                  <S>
                         *                           Chairman of the Board and Chief Executive Officer
- ---------------------------------------------------    (principal executive officer)
                James K. Hildebrand
 
                         *                           President
- ---------------------------------------------------
                William M. Barrett
 
                /s/ GARY W. LACHEY                   Vice President -- Finance, Treasurer and
- ---------------------------------------------------    Secretary (principal financial officer and
                  Gary W. LaChey                       accounting officer)
 
                         *                           Vice President -- Manufacturing and Engineering
- ---------------------------------------------------
                 Charles M. Kurtti
 
                         *                           Director
- ---------------------------------------------------
                  David F. Thomas
 
                         *                           Director
- ---------------------------------------------------
                   John D. Weber
 
                         *                           Director
- ---------------------------------------------------
                 Brenton S. Halsey
</TABLE>
 
- ---------------
   
* Executed by power of attorney.
    
 
                                      II-15
<PAGE>   151
 
                                   SIGNATURES
 
   
     Pursuant to the requirements of the Securities Act of 1933, the Registrant
has duly caused this Amendment No. 1 to the Registration Statement on Form S-4
to be signed on its behalf by the undersigned, thereunto duly authorized, in the
City of Neenah, State of Wisconsin, on April 16, 1999.
    
 
                                          DALTON CORPORATION,
                                          KENDALLVILLE MANUFACTURING FACILITY
 
                                          By:                  *
                                            ------------------------------------
                                            Name: James K. Hildebrand
   
                                            Title:   Chairman and Chief
                                              Executive Officer
    
 
   
     Pursuant to the requirements of the Securities Act of 1933, this Amendment
No. 1 to the Registration Statement on Form S-4 has been signed by the following
persons in the capacities indicated on April 16, 1999.
    
 
<TABLE>
<CAPTION>
                     SIGNATURE                                           CAPACITY
                     ---------                                           --------
<C>                                                  <S>
                         *                           Chairman of the Board and Chief Executive Officer
- ---------------------------------------------------    (principal executive officer)
                James K. Hildebrand
 
                         *                           President
- ---------------------------------------------------
                William M. Barrett
 
                /s/ GARY W. LACHEY                   Vice President -- Finance, Treasurer and
- ---------------------------------------------------    Secretary (principal financial officer and
                  Gary W. LaChey                       accounting officer)
 
                         *                           Vice President -- Manufacturing and Engineering
- ---------------------------------------------------
                 Charles M. Kurtti
 
                         *                           Director
- ---------------------------------------------------
                  David F. Thomas
 
                         *                           Director
- ---------------------------------------------------
                   John D. Weber
 
                         *                           Director
- ---------------------------------------------------
                 Brenton S. Halsey
</TABLE>
 
- ---------------
   
* Executed by power of attorney.
    
 
                                      II-16
<PAGE>   152
 
                                   SIGNATURES
 
   
     Pursuant to the requirements of the Securities Act of 1933, the Registrant
has duly caused this Amendment No. 1 to the Registration Statement on Form S-4
to be signed on its behalf by the undersigned, thereunto duly authorized, in the
City of Neenah, State of Wisconsin, on April 16, 1999.
    
 
                                          STRYKER MACHINING FACILITY CO.
 
                                          By:                  *
                                            ------------------------------------
                                            Name: James K. Hildebrand
                                            Title:   Chairman and Chief
                                              Executive Officer
 
   
     Pursuant to the requirements of the Securities Act of 1933, this Amendment
No. 1 to the Registration Statement on Form S-4 has been signed by the following
persons in the capacities indicated on April 16, 1999.
    
 
<TABLE>
<CAPTION>
                     SIGNATURE                                           CAPACITY
                     ---------                                           --------
<C>                                                  <S>
                         *                           Chairman of the Board and Chief Executive Officer
- ---------------------------------------------------    (principal executive officer)
                James K. Hildebrand
 
                         *                           President
- ---------------------------------------------------
                William M. Barrett
 
                /s/ GARY W. LACHEY                   Vice President -- Finance, Treasurer and
- ---------------------------------------------------    Secretary (principal financial officer
                  Gary W. LaChey                       and accounting officer)
 
                         *                           Vice President -- Manufacturing and Engineering
- ---------------------------------------------------
                 Charles M. Kurtti
 
                         *                           Director
- ---------------------------------------------------
                  David F. Thomas
 
                         *                           Director
- ---------------------------------------------------
                   John D. Weber
 
                         *                           Director
- ---------------------------------------------------
                 Brenton S. Halsey
</TABLE>
 
- ---------------
   
* Executed by power of attorney.
    
 
                                      II-17
<PAGE>   153
 
                                   SIGNATURES
 
   
     Pursuant to the requirements of the Securities Act of 1933, the Registrant
has duly caused this Amendment No. 1 to the Registration Statement on Form S-4
to be signed on its behalf by the undersigned, thereunto duly authorized, in the
City of Neenah, State of Wisconsin, on April 16, 1999.
    
 
                                          NIEMIN PORTER & CO.
 
                                          By:                  *
                                            ------------------------------------
                                            Name: James K. Hildebrand
                                            Title:   Chairman and Chief
                                              Executive Officer
 
   
     Pursuant to the requirements of the Securities Act of 1933, this Amendment
No. 1 to the Registration Statement on Form S-4 has been signed by the following
persons in the capacities indicated on April 16, 1999.
    
 
<TABLE>
<CAPTION>
                     SIGNATURE                                           CAPACITY
                     ---------                                           --------
<C>                                                  <S>
                         *                           Chairman of the Board and Chief Executive Officer
- ---------------------------------------------------    (principal executive officer)
                James K. Hildebrand
 
                         *                           President
- ---------------------------------------------------
                William M. Barrett
 
                /s/ GARY W. LACHEY                   Vice President -- Finance, Treasurer and
- ---------------------------------------------------    Secretary (principal financial officer and
                  Gary W. LaChey                       accounting officer)
 
                         *                           Vice President -- Manufacturing and Engineering
- ---------------------------------------------------
                 Charles M. Kurtti
 
                         *                           Director
- ---------------------------------------------------
                  David F. Thomas
 
                         *                           Director
- ---------------------------------------------------
                   John D. Weber
 
                         *                           Director
- ---------------------------------------------------
                 Brenton S. Halsey
</TABLE>
 
- ---------------
   
* Executed by power of attorney.
    
 
                                      II-18
<PAGE>   154
 
                                 EXHIBIT INDEX
 
   
<TABLE>
<CAPTION>
EXHIBITS
- --------
<C>        <S>
  2.1      Agreement and Plan of Reorganization, dated November 20,
           1996, by and among NFC Castings, Inc., NC Merger Company and
           Neenah Corporation.**
  2.2      First Amendment to Agreement and Plan of Reorganization,
           dated as of January 13, 1997, by and among NFC Castings,
           Inc., NC Merger Company and Neenah Corporation.**
  2.3      Second Amendment to Agreement and Plan of Reorganization,
           dated as of February 21, 1997, by and among NFC Castings,
           Inc., NC Merger Company and Neenah Corporation.**
  2.4      Third Amendment to Agreement and Plan of Reorganization,
           dated as of April 3, 1997, by and among NFC Castings, Inc.,
           NC Merger Corporation.**
  2.5      Merger Agreement, made as of July 1, 1997, by and between
           Neenah Corporation and Neenah Foundry Company.**
  2.6      Stock Purchase Agreement for the acquisition of Deeter
           Foundry, Inc. dated as of March 26, 1998 by and among Neenah
           Foundry Company and the Selling Shareholders of Deeter
           Foundry, Inc. (Incorporated by reference to the Company's
           Form 10-Q for the period ended March 31, 1998 filed on May
           14, 1998.)
  2.7      Stock Purchase Agreement for the acquisition of Mercer dated
           as of April 3, 1998 by and among Neenah Foundry Company,
           Mercer Forge Corporation and the Selling Shareholders of
           Mercer (Incorporated by reference to the Company's Form 8-K
           filed on April 14, 1998.)
  2.8      Stock Purchase Agreement for the acquisition of Dalton dated
           as of August 7, 1998 by and among Neenah Foundry Company,
           Dalton Corporation and the Dalton Corporation Employee Stock
           Ownership Plan and Trust (Incorporated by reference to the
           Company's Form 8-K filed on September 21, 1998.)
  2.9      Stock Purchase Agreement dated as of December 3, 1998 among
           Niemin Porter & Co. d/b/a Cast Alloys, Inc., the Sellers as
           defined therein and Neenah Foundry Company.****
  2.10     First Amendment to the Stock Purchase Agreement dated
           December 30, 1998 among Niemin Porter & Co. d/b/a Cast
           Alloys, Inc., the Sellers as defined therein and Neenah
           Foundry Company.****
  3.1      Restated Articles of Incorporation of Neenah Foundry
           Company.**
  3.2      By-laws of Neenah Foundry Company.**
  3.3      (Intentionally omitted.)
  3.4      (Intentionally omitted.)
  3.5      Restated Articles of Incorporation of Hartley Controls
           Corporation.**
  3.6      By-laws of Hartley Controls Corporation.**
  3.7      Restated Articles of Incorporation of Neenah Transport,
           Inc.**
  3.8      By-laws of Neenah Transport, Inc.**
  4.1      Indenture dated as of April 30, 1997 among NC Merger Company
           and United States Trust Company of New York.**
  4.2      Purchase Agreement dated as of April 23, 1997 among NC
           Merger Company, Chase Securities Inc. and Morgan Stanley &
           Co. Incorporated.**
  4.3      Exchange and Registration Rights Agreement dated as of April
           30, 1997 among Neenah Corporation, Neenah Foundry Company,
           Hartley Controls Corporation and Neenah Transport, Inc. and
           Chase Securities, Inc.**
</TABLE>
    
<PAGE>   155
 
   
<TABLE>
<CAPTION>
EXHIBITS
- --------
<C>        <S>
  4.4      First Supplemental Indenture, dated as of April 30, 1997
           among Neenah Corporation, Neenah Foundry Company, Neenah
           Transport, Inc. and Hartley Controls Corporation and United
           States Trust Company of New York.**
  4.5      Letter Agreement, dated as of April 30, 1997 among Neenah
           Corporation, Neenah Foundry Company, Hartley Controls
           Corporation and Neenah Transport, Inc. and Chase Securities
           Inc. and Morgan Stanley & Co. Incorporated.**
  4.6      Form of Global Note relating to the Indenture dated as of
           April 23, 1997.**
  4.7      Indenture dated as of July 1, 1997 among Neenah Corporation,
           Neenah Foundry Company, Neenah Transport, Inc., Hartley
           Controls Corporation and United States Trust Company of New
           York.**
  4.8      Purchase Agreement dated as of June 26, 1997 among Neenah
           Corporation, Neenah Foundry Company, Hartley Controls
           Corporation, Neenah Transport, Inc. and Chase Securities
           Inc.**
  4.9      Exchange and Registration Rights Agreement dated as of July
           1, 1997 by and between Neenah Corporation, Neenah Foundry
           Company, Hartley Controls Corporation, Neenah Transport,
           Inc. and Chase Securities, Inc.**
  4.10     Form of Global Note related to the Indenture dated as of
           July 1, 1997.**
  4.11     Indenture dated as of November 24, 1998 among Neenah Foundry
           Company, Neenah Transport, Inc., Hartley Controls
           Corporation, the Guarantors and United States Trust Company
           of New York.****
  5.1      Opinion and Consent of Kirkland & Ellis.*
  8.1      Opinion of Kirkland & Ellis as to federal income tax
           consequences.****
 10.1      Master Lease Agreement between Neenah Foundry Company and
           Bank One Leasing Corporation dated December 14, 1992.**
 10.2      Agreement between Neenah Foundry Company and Rockwell
           International Corporation effective April 1, 1995.**
 10.3      Letter Agreement between Neenah Foundry Company and Eaton
           Corporation dated April 4, 1996.**
 10.4      (Intentionally omitted).
 10.5      1996-1998 Collective Bargaining Agreement between Neenah
           Foundry Company and Local 121B Glass, Molders, Pottery,
           Plastics and Allied Workers International Union
           AFL-CIO-CLC.**
 10.6      1998-2000 Collective Bargaining Agreement between Neenah
           Foundry Company and The Independent Patternmakers Union of
           Neenah, Wisconsin.***
 10.7      Credit Agreement dated as of April 30, 1997 as Amended and
           Restated as of September 12, 1997, as of April 3, 1998, and
           as of September 8, 1998 by and among Neenah Foundry Company,
           NFC Castings, Inc., the Chase Manhattan Bank as
           Administrative Agent, Chase Securities, Inc. as Arranger and
           the other Lenders from time to time party thereto
           (Incorporated by reference to the Company's Form 8-K filed
           on September 21, 1998)
 10.8      Employment Agreement dated September 9, 1994 between the
           Neenah Corporation, Neenah Foundry Company, Harley Controls
           Corporation, Neenah Transport, Inc. and James P. Keating,
           Jr.**
 10.9      Consulting Agreement dated September 9, 1994 between the
           Neenah Foundry Company and the Guarantors and James P.
           Keating, Jr.**
</TABLE>
    
<PAGE>   156
 
   
<TABLE>
<CAPTION>
EXHIBITS
- --------
<C>        <S>
 10.10     First Amendment to Employment Agreement, dated September 9,
           1994, between Neenah Foundry Company, Neenah Corporation,
           Hartley Controls Corporation and James P. Keating, Jr.**
 10.11     Pledge Agreement dated as of April 30, 1997, among NC Merger
           Company, a Wisconsin Corporation, NFC Castings, Inc., a
           Delaware Corporation.**
 10.12     Subsidiary Guarantee Agreement dated as of April 30, 1997,
           among each of the subsidiaries listed of NC Merger Company,
           a Wisconsin corporation, and The Chase Manhattan Bank, a New
           York banking corporation, as collateral agent for the
           secured parties.**
 10.13     Parent Guarantee Agreement dated as of April 30, 1997,
           between NFC Castings, Inc., a Delaware corporation and The
           Chase Manhattan Bank, a New York banking corporation, as
           collateral agent for the secured parties.**
 10.14     Security Agreement dated as of April 30, 1997, among NC
           Merger Company, a Wisconsin corporation, each subsidiary of
           the borrower and The Chase Manhattan Bank, a New York
           banking corporation, as collateral agent for the secured
           parties.**
 10.15     Form of Mortgage.**
 10.16     Amendment No. 1, Consent and Waiver, dated as of November
           18, 1998, to the Credit Agreement dated as of April 30, 1997
           as Amended and Restated as of September 12, 1997, as of
           April 3, 1998, and as of September 8, 1998 by and among
           Neenah Foundry Company, NFC Castings, Inc., the Lenders from
           time to time party thereto, and the Chase Manhattan Bank.***
 10.17     Cash Collateral Account Agreement dated as of November 24,
           1998, between Neenah Foundry Company and the Chase Manhattan
           Bank.***
 10.18     Executive Employment and Consulting Agreement dated
           September 15, 1998 by and among Neenah Foundry Co., Advanced
           Cast Products, Inc., ACP Holding Co., ACP Products, LLC and
           James K. Hildebrand.***
 10.19     Dalton Corporation, K.L. Davidson Employment Agreement dated
           September 8, 1998.***
 10.20     Purchase Agreement dated November 19, 1998 among Neenah
           Foundry Company, Neenah Transport, Inc., Hartley Controls
           Corporation, the Guarantors and the Initial Purchasers.****
 10.21     Exchange and Registration Rights Agreement dated November
           24, 1998 among Neenah Foundry Company Neenah Transport,
           Inc., Hartley Controls Corporation, the Guarantors and the
           Initial Purchasers.****
 12.1      Computation of Ratio of Earnings to Fixed Charges.****
 21.1      Subsidiaries of the Registrant.****
 23.1      Consent of Ernst & Young LLP.*
 23.2      Consent of PricewaterhouseCoopers LLP.*
 23.3      Consent of KPMG LLP.*
 23.4      Consent of Kirkland & Ellis (included in exhibit 5.1).****
 24.1      Powers of Attorney (included in signature pages).****
 25.1      Statement of Eligibility of Trustee on Form T-1.****
 27.1      Financial Data Schedule.***
 27.2      Financial Data Schedule (Incorporated by Reference to the
           Company's Form 10-Q for the period ended December 31, 1998
           filed on February 11, 1999).
</TABLE>
    
<PAGE>   157
 
   
<TABLE>
<CAPTION>
EXHIBITS
- --------
<C>        <S>
 99.1      Form of Letter of Transmittal.****
 99.2      Form of Notice of Guaranteed Delivery.****
 99.3      Form of Tender Instructions.****
</TABLE>
    
 
- ---------------
 
    * Filed herewith.
 
  ** Incorporated by reference to the Company's Form S-4 (Registration No.
     333-28751) which became effective August 29, 1997.
 
 *** Incorporated by reference to the Company's Form 10-K (Registration No.
     332-28751) which was filed December 23, 1998.
 
   
**** Previously filed.
    

<PAGE>   1
                                   EXHIBIT 5.1

                        [LETTERHEAD OF KIRKLAND & ELLIS]



To Call Writer Direct:
 212 446-4800


   
                                 April 14, 1999
    


Neenah Foundry Company
Hartley Controls Corporation
Neenah Transport, Inc.
2121 Brooks Avenue, Box 729
Neenah, Wisconsin 54927


         Re:      Series B 11-1/8% Senior Subordinated Notes due 2007

Ladies and Gentlemen:

         We are acting as special counsel to Neenah Foundry Company, a Wisconsin
corporation (the "Company"), Hartley Controls Corporation, a Wisconsin
corporation ("Hartley") and Neenah Transport, Inc., a Wisconsin corporation
("Transport", and together with the Company and Hartley, the "Registrants") in
connection with the proposed registration by the Company of up to $150,000,000
in aggregate principal amount of the Company's Series B 11-1/8% Senior
Subordinated Notes due 2007 (the "Exchange Notes"), pursuant to a Registration
Statement on Form S-4 filed with the Securities and Exchange Commission (the
"Commission") on July 25, 1997 under the Securities Act of 1933, as amended (the
"Securities Act") (such Registration Statement, as amended or supplemented, is
hereinafter referred to as the "Registration Statement"), for the purpose of
effecting an exchange offer (the "Exchange Offer") for the Company's 111/8%
Senior Subordinated Notes due 2007 (the "Old Notes"). The Exchange Notes are to
be issued pursuant to the Indenture (the "Indenture"), dated as of April 30,
1997, among the Registrants and United States Trust Company of New York, as
Trustee, in exchange for and in replacement of the Company's outstanding Old
Notes, of which $150,000,000 in aggregate principal amount is outstanding.

         In that connection, we have examined originals, or copies certified or
otherwise identified to our satisfaction, of such documents, corporate records
and other instruments as we have deemed necessary for the purposes of this
opinion, including (i) the corporate and organizational documents of each of the
Registrants, (ii) minutes and records of the corporate proceedings of each of
the
<PAGE>   2
   
Neenah Foundry Company
April 14, 1999
Page 2
    


Registrants with respect to the issuance of the Exchange Notes, (iii) the
Registration Statement and exhibits thereto and (iv) the Exchange and
Registration Rights Agreement, dated as of April 30, 1997, among the
Registrants, Chase Securities, Inc. and Morgan Stanley & Co. Incorporated.

         For purposes of this opinion, we have assumed the authenticity of all
documents submitted to us as originals, the conformity to the originals of all
documents submitted to us as copies and the authenticity of the originals of all
documents submitted to us as copies. We have also assumed the genuineness of the
signatures of persons signing all documents in connection with which this
opinion is rendered, the authority of such persons signing on behalf of the
parties thereto other than the Registrants, and the due authorization, execution
and delivery of all documents by the parties thereto other than the Registrants.
As to any facts material to the opinions expressed herein which we have not
independently established or verified, we have relied upon statements and
representations of officers and other representatives of the Registrants and
others.

         Based upon and subject to the foregoing qualifications, assumptions and
limitations and the further limitations set forth below, we are of the opinion
that:

   
         (1) Each of the Registrants is a corporation existing and in good
standing under the laws of the state of Wisconsin.
    

         (2) The sale and issuance of the Exchange Notes has been validly
authorized by the Company.

         (3) When the Exchange Notes are issued pursuant to the Exchange 
Offer, the Exchange Notes will constitute valid and binding obligations of 
the Registrants and the Indenture will be enforceable in accordance with its 
terms.
<PAGE>   3
   
Neenah Foundry Company
April 14, 1999
Page 3
    

   

         Our opinions expressed above are subject to the qualifications that we
express no opinion as to the applicability of, compliance with, or effect of (i)
any bankruptcy, insolvency, reorganization, fraudulent transfer, fraudulent
conveyance, moratorium or other similar law affecting the enforcement of
creditors' rights generally, (ii) general principles of equity (regardless of
whether enforcement is considered in a proceeding in equity or at law), (iii)
public policy considerations which may limit the rights of parties to obtain
certain remedies and (iv) except for purposes of the opinion in paragraph 1, any
laws except the laws of the State of New York. We advise you that issues
addressed by this letter may be governed in whole or in part by other laws, but
we express no opinion as to whether any relevant difference exists between the
laws upon which our opinions are based and any other laws which may actually
govern.
    

         We hereby consent to the filing of this opinion as Exhibit 5.1 to the
Registration Statement. We also consent to the reference to our firm under the
heading "Legal Matters" in the Registration Statement. In giving this consent,
we do not thereby admit that we are in the category of persons whose consent is
required under Section 7 of the Securities Act of the rules and regulations of
the Commission.

         We do not find it necessary for the purposes of this opinion, and
accordingly we do not purport to cover herein, the application of the securities
or "Blue Sky" laws of the various states to the issuance of the Exchange Notes.

         This opinion is limited to the specific issues addressed herein, and no
opinion may be inferred or implied beyond that expressly stated herein. We
assume no obligation to revise or supplement this opinion should the present
laws of the State of New York be changed by legislative action, judicial
decision or otherwise.
<PAGE>   4
   
Neenah Foundry Company
April 14, 1999
Page 4
    

         This opinion is furnished to you in connection with the filing of the
Registration Statement, and is not to be used, circulated, quoted or otherwise
relied upon for any other purposes.

                                Yours very truly,



                                KIRKLAND & ELLIS

<PAGE>   1


                                                                    EXHIBIT 23.1




               CONSENT OF ERNST & YOUNG LLP, INDEPENDENT AUDITORS


   
We consent to the references to our Firm under the captions "Experts", "Summary 
Consolidated Financial and Other Data" and "Selected Consolidated Financial and 
Other Data" and to the use of our reports dated November 6, 1998, except for 
Note 10, as to which the date is November 24, 1998 and June 4, 1997, except for 
Notes 1 and 10, as to which the date is July 1, 1997 to the Registration 
Statement (Form S-4, No. 333-72455) and related Prospectus of Neenah Foundry 
Company for the registration of $87,000,000 11-1/8% Series F Senior 
Subordinated Notes.
    



                                   ERNST & YOUNG LLP

   
Milwaukee, Wisconsin
April 15, 1999
    



<PAGE>   1
                                                                    Exhibit 23.2


                       CONSENT OF INDEPENDENT ACCOUNTANTS


We hereby consent to the use in the Prospectus constituting part of this
Registration Statement on Form S-4 of Neenah Foundry Company of our report dated
March 6, 1998, except as to Note 13, which is as of September 8, 1998, relating
to the consolidated financial statements of Dalton Corporation (formerly known
as The Dalton Foundries, Inc.), which appears in such Prospectus. We also
consent to the reference to us under the heading "Experts" in such Prospectus.

   
/s/ PricewaterhouseCoopers LLP
- ------------------------------
PricewaterhouseCoopers LLP
Indianapolis, Indiana
April 13, 1999
    





<PAGE>   1

                                                                    Exhibit 23.3

                         INDEPENDENT AUDITORS' CONSENT

The Board of Directors
Mercer Forge Corporation:

We consent to the use of our report incorporated herein by reference and to the 
reference to our firm under the heading "Experts" in the prospectus.


                                              KPMG LLP





   
Pittsburgh, Pennsylvania
April 14, 1999
    


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