NCI BUILDING SYSTEMS INC
424B3, 1999-06-11
PREFABRICATED METAL BUILDINGS & COMPONENTS
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<PAGE>
                                             Filed Pursuant to Rule 424(b)(3)
                                                Registration No. 333-80029

PROSPECTUS

                       OFFER TO EXCHANGE ALL OUTSTANDING
               9 1/4% SERIES A SENIOR SUBORDINATED NOTES DUE 2009
                                      FOR
               9 1/4% SERIES B SENIOR SUBORDINATED NOTES DUE 2009
                                       OF

                                     [LOGO]

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

    We hereby offer, upon the terms and conditions described in this prospectus,
to exchange all of our outstanding 9 1/4% Series A Senior Subordinated Notes due
2009 for our registered 9 1/4% Series B Senior Subordinated Notes due 2009. The
Series A notes were issued on May 5, 1999 and, as of the date of this
prospectus, an aggregate principal amount of $125.0 million is outstanding. The
terms of the Series B notes are identical in all material respects to the terms
of the outstanding Series A notes, except that the Series B notes are registered
under the Securities Act of 1933 and will be freely transferable in accordance
with the transfer provisions of the indenture.

PLEASE CONSIDER THE FOLLOWING:

    -  Our offer to exchange Series A notes for Series B notes will be open
       until 5:00 p.m., New York City time, on July 12, 1999, unless we extend
       the offer.

    -  You should also carefully review the procedures for tendering your Series
       A notes beginning on page 61 of this prospectus.

    -  If you do not tender your Series A notes, you will continue to hold
       unregistered securities and your ability to transfer them could be
       adversely affected.

    -  No public market currently exists for our notes. We do not intend to list
       the Series B notes on any securities exchange and, therefore, no active
       public market is anticipated.

INFORMATION ABOUT THE NOTES:

    -  The Series B notes will mature on May 1, 2009.

    -  We will pay interest on the Series B notes at an annual rate of 9 1/4% on
       May 1 and November 1 of each year, starting on November 1, 1999.

    -  We have the option to redeem all or a portion of the Series B notes on or
       after May 1, 2004 at a redemption price equal to 100% of the principal
       amount of the Series B notes plus a premium declining ratably to par,
       plus accrued interest.

    -  At any time on or before May 1, 2002 we may redeem up to 35% of the
       original principal amount of the Series B notes at a redemption price of
       109.250% of the principal amount plus accrued interest with money we
       raise in specified equity offerings.

    -  Our obligations under the Series B notes will not be secured, will rank
       junior to all our senior debt and will rank equally to all of our
       existing and future senior subordinated debt.

SEE "RISK FACTORS" BEGINNING ON PAGE 12 FOR INFORMATION YOU SHOULD CONSIDER IN
CONNECTION WITH THE EXCHANGE OFFER AND BEFORE INVESTING IN THE SERIES B NOTES.

NEITHER THE SEC NOR ANY STATE SECURITIES COMMISSION HAS APPROVED OR DISAPPROVED
OF THE SERIES B NOTES OR PASSED UPON THE ADEQUACY OR ACCURACY OF THIS
PROSPECTUS. ANY REPRESENTATION TO THE CONTRARY IS A CRIMINAL OFFENSE.

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

                                 JUNE 11, 1999
<PAGE>
                           FORWARD-LOOKING STATEMENTS

    Some of the statements contained in this prospectus discuss future
expectations, contain projections of results of operations or financial
condition or state other "forward-looking" information. Those statements may be
affected by known and unknown risks, uncertainties and other factors that could
cause the actual results to differ materially from those contemplated by the
statements. The forward-looking information is based on various factors and was
derived using numerous assumptions. Important factors that could cause our
actual results to be materially different from the forward-looking statements
are disclosed in the "Risk Factors" section and throughout this prospectus.

                                       2
<PAGE>
                               PROSPECTUS SUMMARY

    THIS SUMMARY HIGHLIGHTS SELECTED INFORMATION CONTAINED ELSEWHERE IN THIS
PROSPECTUS. THIS SUMMARY MAY NOT CONTAIN ALL OF THE INFORMATION THAT YOU SHOULD
CONSIDER IN CONNECTION WITH THE EXCHANGE OFFER AND BEFORE INVESTING IN THE
SERIES B NOTES. YOU SHOULD READ THE ENTIRE PROSPECTUS CAREFULLY, INCLUDING THE
"RISK FACTORS" SECTION AND THE FINANCIAL STATEMENTS, BEFORE MAKING AN INVESTMENT
DECISION.

                                      NCI

    We are one of North America's largest integrated manufacturers of metal
products for the nonresidential building industry. We operate 39 manufacturing
and distribution facilities located in 17 states and Mexico. We sell metal
components and engineered building systems, offering one of the most extensive
metal product lines in the building industry with well-recognized brand names.
We believe that our leading market positions and strong track record of growth
in sales and EBITDA have resulted from our focus on:

    - Controlling operating and administrative costs

    - Managing working capital and fixed assets

    - Developing new markets

    - Successfully identifying strategic growth opportunities

    We believe that metal products have gained and continue to gain a greater
share of the new construction and repair and retrofit markets. This is due to
increasing acceptance and recognition of the benefits of metal products in
building applications. Metal components offer builders, designers, architects
and end-users several advantages, including lower long-term costs, longer life,
attractive aesthetics and design flexibility. Similarly, engineered building
systems offer a number of advantages over traditional construction alternatives,
including shorter construction time, more efficient use of materials, lower
construction costs, greater ease of expansion and lower maintenance costs.

    In May 1998, we acquired Metal Building Components, Inc. ("MBCI"), for a
purchase price of $588.5 million. The MBCI acquisition, which doubled our
revenue base, made us the largest domestic manufacturer of nonresidential metal
components and significantly improved our product mix. On a pro forma basis
giving effect to the MBCI acquisition, our sales were $876.5 million and our
EBITDA was $130.2 million for the 12-month period ended January 31, 1999.

    METAL COMPONENTS. We are the largest domestic supplier of metal components
to the nonresidential building industry and have a market share at least twice
that of our largest competitor. We are also one of the largest suppliers in the
U.S. of roll-up doors for self-storage facilities. We design, manufacture, sell
and distribute one of the widest selections of components for a variety of new
construction applications as well as repair and retrofit uses.

    The following are the types of components we sell:

<TABLE>
<S>                                     <C>
- -  Metal roof and wall systems          -  Fascia
- -  Overhead doors                       -  Mansard accessories
- -  Interior and exterior doors          -  Trim accessories
</TABLE>

    Our components are used in the following markets:

<TABLE>
<S>                                     <C>
- -  Industrial                           -  Commercial
- -  Governmental                         -  Agricultural
- -  Community                            -  Residential
</TABLE>

                                       3
<PAGE>
    In addition to metal components manufacturing, we are also one of the
largest independent providers of hot roll and light gauge metal coil coating and
painting services and products. We coat and paint hot roll metal coils for our
own use in metal components manufacturing, supplying substantially all of our
internal metal coating and painting requirements. Our own use accounts for about
50% of our production. We also coat and paint hot roll metal coils and light
gauge metal for third parties for a variety of applications, including heating
and air conditioning systems, water heaters, lighting fixtures and office
furniture.

    We market our metal components products and metal coating and painting
services nationwide primarily through a direct sales force under several brand
names. These brand names include "Metal Building Components," "American Building
Components," "DBCI," "MBCI," "IPS," "Metal Coaters," "Metal-Prep," "DOUBLECOTE"
and "Midwest Metal Coatings." On a pro forma basis giving effect to the MBCI
acquisition, our sales of metal components and coating and painting services
were $597.8 million for the 12-month period ended January 31, 1999. This
represented 68.2% of our total sales.

    ENGINEERED BUILDING SYSTEMS.  We are one of the largest domestic suppliers
of engineered building systems. We design, manufacture and market engineered
building systems, self-storage building systems and metal home framing systems
for commercial, industrial, agricultural, governmental, community and
residential uses. We market these systems nationwide through authorized builder
networks totaling over 1,200 builders and a direct sales force under several
brand names. These brand names include "Metallic Buildings," "Mid-West Steel
Buildings," "A & S Buildings," "All American Systems," "Steel Systems" and
"Mesco." Our sales of engineered building systems were $278.7 million for the
12-month period ended January 31, 1999. This represented 31.8% of our total
sales on a pro forma basis giving effect to the MBCI acquisition.

    Before our combination with MBCI, both companies had individually
demonstrated strong growth in sales and EBITDA. Over the five fiscal years
before the MBCI acquisition, NCI achieved compound annual growth rates of 32.0%
in sales and 45.2% in EBITDA. Over the five fiscal years before its acquisition
by NCI, MBCI achieved compound annual growth rates of 15.8% in sales and 15.4%
in EBITDA.

                               COMPANY STRENGTHS

    We believe that we benefit from the following key strengths:

    - LEADING MARKET POSITIONS. We are the largest manufacturer of metal
      components for the nonresidential building industry and one of the largest
      suppliers of engineered building systems in the United States. We are also
      one of the largest independent providers of metal coating and painting
      services and products. We believe that these leading market positions are
      a result of our emphasis on high quality manufacturing, timely delivery of
      products and our broad line of branded building products that are well
      known in the industry.

    - FAVORABLE MIX BETWEEN NEW CONSTRUCTION AND REPAIR AND RETROFIT
      END-MARKETS. We derive a majority of our sales and EBITDA from metal
      components sales. Unlike engineered building systems, metal components are
      used in a variety of repair and retrofit applications, as well as new
      construction. We believe that the favorable mix between these end-markets
      reduces our dependence on new construction activity and provides us with
      diverse growth opportunities.

    - LOW-COST SUPPLIER. We strive to keep our purchasing, production,
      distribution and administrative costs low. Our size provides us with
      purchasing efficiencies and enhances our productivity through the sharing
      of best practices between our metal components and engineered building
      systems operations. In addition, we operate a nationwide system of
      manufacturing facilities, placing our manufacturing and distribution
      operations closer to our customers. This system helps

                                       4
<PAGE>
      reduce the need for substantial labor, machinery and inventory investments
      at each facility. It also helps control transportation costs and reduce
      delivery times.

    - BROAD PRODUCT LINES AND DIVERSE CUSTOMER BASE. We are one of the largest
      integrated suppliers in the industry with a wider variety of products and
      services than our competitors. In addition, we have a broad and
      diversified customer base that provides significant cross-selling
      opportunities. In fiscal 1998, our largest customer accounted for less
      than 2% of total sales.

    - NATIONWIDE COVERAGE.  We have 39 facilities located in 17 states and
      Mexico, giving us extensive geographic reach across a number of high
      population growth areas. Our nationwide coverage reduces the impact of
      regional economic cycles and seasonality on our results of operations.

    - EXPERIENCED AND COMMITTED MANAGEMENT TEAM. Our executive officers and
      other key managers have an average of over 20 years of industry
      experience. This senior management team, along with our directors, also
      owns approximately 20% of our common stock, including exercisable stock
      options.

                               BUSINESS STRATEGY

    We believe we can maximize our sales and EBITDA by continuing to focus on
the following business strategies:

    - CONTROL OPERATING AND ADMINISTRATIVE COSTS. We plan to maintain our focus
      on operating and administrative cost control. We intend to (1) continue to
      aggressively manage the purchase of raw materials, (2) further automate
      our manufacturing operations to reduce production costs, (3) capitalize on
      our nationwide coverage to reduce distribution costs and (4) minimize
      administrative expenses.

    - MANAGE WORKING CAPITAL AND FIXED ASSETS. We plan to remain focused on
      obtaining a high rate of return on operating assets through strong balance
      sheet management. We seek to continue to minimize accounts receivable and
      inventory balances to improve cash flow. We manage our investment in fixed
      assets to achieve targeted rates of return. In addition, our bonus
      compensation plan for management is significantly focused on control of
      working capital and return on capital investment.

    - DEVELOP NEW MARKETS. We intend to increase our presence in the metal
      components market, primarily for sales of metal roofing and wall systems.
      We plan to increase sales and EBITDA by using our multiple distribution
      channels to market our expanded range of metal components products to
      existing and new customers. We also plan to increase sales of our
      engineered building systems both in existing markets and new regional
      markets by using our nationwide metal components manufacturing facilities
      as platforms for expansion.

    - IDENTIFY STRATEGIC GROWTH OPPORTUNITIES. We consider external
      opportunities an important part of our growth plan. We have a disciplined
      acquisition and expansion process for evaluating future opportunities.
      Since 1994, we have successfully acquired and integrated nine companies.
      To expand our geographic coverage and increase manufacturing capacity, we
      have also constructed nine new manufacturing facilities in the last six
      years and have formed four joint ventures.

                                       5
<PAGE>
                   SUMMARY OF KEY TERMS OF THE EXCHANGE OFFER

<TABLE>
<S>                                 <C>
Securities to be Exchanged........  On May 5, 1999, we issued $125.0 million principal
                                    amount of Series A notes to Warburg Dillon Read LLC,
                                    Montgomery NationsBank Securities LLC, First Union
                                    Capital Markets Corp. and Bear, Stearns & Co. Inc., the
                                    initial purchasers, in a transaction exempt from the
                                    registration requirements of the Securities Act. The
                                    terms of the Series B notes and the Series A notes are
                                    identical in all material respects, except that the
                                    Series B notes will be freely transferable by the
                                    holders of the Series B notes in accordance with the
                                    transfer provision of the indenture.

The Exchange Offer................  You must properly tender your Series A notes and we must
                                    accept them for exchange. We will exchange all Series A
                                    notes that you tender and do not withdraw by the
                                    expiration date of the exchange offer. If you exchange
                                    your Series A notes we will issue Series B notes to you
                                    on or promptly after the expiration date.

Expiration of Exchange Offer......  5:00 p.m., New York City time, on July 12, 1999.

Ability to Resell Series B
  Notes...........................  We believe you may offer for resale, resell and
                                    otherwise freely transfer the Series B notes without
                                    registration or delivering a prospectus to a buyer if:

                                    - you acquire the Series B notes in the ordinary course
                                    of your business;

                                    - you are not participating, do not intend to
                                    participate and have no arrangement or understanding
                                    with any person to participate in the distribution of
                                    Series B notes; and

                                    - you are not related to us.

                                    If this belief is inaccurate and you sell or transfer
                                    any Series B note without delivering a prospectus to a
                                    buyer or without an exemption from the registration
                                    requirements of the Securities Act, you may be
                                    responsible for money or other damages under the
                                    Securities Act. We will not pay those damages on your
                                    behalf.

                                    Each broker-dealer that receives Series B notes for its
                                    own account in exchange for Series A notes it acquired
                                    as a result of market-making or other trading activities
                                    must acknowledge that it will deliver a prospectus in
                                    connection with any resale of the Series B notes. A
                                    broker-dealer may use this prospectus for an offer to
                                    resell, resale or other retransfer of the Series B notes
                                    issued to it in the exchange offer.

                                    Exchange offers are not being made to:

                                    - holders of Series A notes in any jurisdiction in which
                                    the exchange offer or its acceptance would not comply
                                    with the securities or blue sky laws of that
                                    jurisdiction; and

                                    - holders of Series A notes who we control.
</TABLE>

                                       6
<PAGE>

<TABLE>
<S>                                 <C>
No Minimum Required...............  There is no minimum amount of Series A notes that you
                                    must tender in the exchange offer.

Procedures for Exchanging
  Your Series A Notes.............  If you wish to exchange your Series A notes, you must
                                    transmit to Harris Trust Company of New York, our
                                    exchange agent, on or before the expiration date either:

                                    - a properly completed and executed letter of
                                    transmittal, which we have provided to you with this
                                    prospectus, or a facsimile of the letter of transmittal,
                                    together with your Series A notes and any other
                                    documentation requested by the letter of transmittal; or

                                    - a computer generated agent's message transmitted by
                                    means of the Depository Trust Company's Automated Tender
                                    Offer Program system.

                                    By agreeing to the letter of transmittal, you will make
                                    those representations described on page 61 under the
                                    heading "The Exchange Offer--Purpose and Effect."

Guaranteed Delivery Procedures....  If you wish to exchange your Series A notes and time
                                    will not permit the documents required by the letter of
                                    transmittal to reach the exchange agent before the
                                    expiration date of the exchange offer, or you cannot
                                    complete the procedure for book-entry transfer on a
                                    timely basis, you must exchange your Series A notes
                                    according to the guaranteed delivery procedures
                                    described on page 65 under the heading "The Exchange
                                    Offer-- Guaranteed Delivery Procedures."

Special Procedures for
  Beneficial Owners...............  If you are a beneficial owner whose Series A notes are
                                    registered in the name of a broker, dealer, commercial
                                    bank, trust company or other nominee and you wish to
                                    exchange your Series A notes, you should contact the
                                    registered holder promptly and instruct the registered
                                    holder to exchange the Series A notes for you. If you
                                    wish to exchange your Series A notes on your own behalf,
                                    you must either make appropriate arrangements to
                                    register ownership of the Series A notes in your name or
                                    obtain a properly completed bond power from the
                                    registered holder.

                                    The transfer of registered ownership may take
                                    considerable time and you may not be able to complete
                                    the transfer before the expiration date of the exchange
                                    offer.

Withdrawal Rights.................  Unless we extend the date, you may withdraw your
                                    tendered Series A notes at any time before 5:00 p.m.,
                                    New York City time, on the expiration date of the
                                    exchange offer.

Exchange Agent....................  The address, telephone number and facsimile number for
                                    the exchange agent is:
</TABLE>

                                          Harris Trust Company of New York
                                          Wall Street Plaza
                                          88 Pine Street, 19th Floor
                                          New York, New York 10005
                                          Telephone: (212) 701-7624
                                          Telecopy: (212) 701-7636

                                       7
<PAGE>
                   SUMMARY OF KEY TERMS OF THE SERIES B NOTES

    You should be aware that the indenture that currently governs your Series A
notes is the same indenture that will govern the Series B notes, except that
there will be no restrictions on your sale of Series B notes.

<TABLE>
<S>                                 <C>
Issuer............................  NCI Building Systems, Inc.

Notes Offered.....................  $125,000,000 in aggregate principal amount of 9 1/4%
                                    Senior Subordinated Notes due 2009.

Maturity Date.....................  May 1, 2009.

Interest Payment Dates............  Payable semi-annually on May 1 and November 1, beginning
                                    November 1, 1999.

Subsidiary Guarantors.............  Our domestic subsidiaries on the issue date will
                                    unconditionally guarantee the Series B notes. If we
                                    create or acquire a new subsidiary, it will also
                                    guarantee the Series B notes unless we designate the
                                    subsidiary as an "unrestricted subsidiary" or the
                                    subsidiary is a foreign subsidiary.

Ranking...........................  The Series B notes will not be secured by any
                                    collateral.

                                    The Series B notes will rank below all of our and our
                                    subsidiary guarantors' senior debt. Therefore, if we
                                    default, your right to payment under the Series B notes
                                    will be junior to the rights of holders of our and our
                                    subsidiary guarantors' senior debt to collect money we
                                    owe them at the time. The Series B notes will
                                    effectively rank below all liabilities, including trade
                                    payables, of our subsidiaries that are not guarantors.

                                    We estimate that we and our subsidiary guarantors would
                                    have had approximately $354.4 million of senior debt at
                                    January 31, 1999 on an as adjusted basis giving effect
                                    to the offering.

Optional Redemption...............  After May 1, 2004 we may redeem some or all of the
                                    Series B notes at the redemption prices listed in the
                                    "Description of Registered Notes" section under the
                                    heading "Optional Redemption of the Notes," plus accrued
                                    interest.

Optional Redemption after
  Equity Offerings................  At any time before the third anniversary of the issue
                                    date of the Series B notes, we can choose to buy back up
                                    to 35% of the original principal amount of the Series B
                                    notes with money that we raise in specified equity
                                    offerings as long as:

                                    - we pay 109.250% of the face amount of the Series B
                                    notes, plus interest;

                                    - we buy the Series B notes back within 90 days of
                                    completing the equity offering; and

                                    - at least 65% of the principal amount of the Series B
                                    notes remain outstanding afterwards.

Change of Control Offer...........  If we experience a change in control, we must give
                                    holders of the Series B notes the opportunity to sell us
                                    their Series B notes at 101% of their face amount, plus
                                    accrued interest.
</TABLE>

                                       8
<PAGE>

<TABLE>
<S>                                 <C>
                                    We might not be able to pay you the required price for
                                    Series B notes you present us at the time of a change of
                                    control, because our senior credit facility may prohibit
                                    payment or we might not have enough funds at that time.

Basic Covenants of Indenture......  The indenture governing the Series B notes contains
                                    covenants for your benefit which, among other things,
                                    restrict our ability and the ability of our subsidiaries
                                    to:

                                    - incur additional indebtedness;

                                    - make restricted payments, including dividends or other
                                    distributions;

                                    - incur liens;

                                    - make investments;

                                    - sell assets or merge with or into other companies; and

                                    - enter into transactions with affiliates.

                                    The restrictions contain a number of significant
                                    exceptions and qualifications.

Use of Proceeds...................  We will not receive any cash proceeds from the issuance
                                    of the Series B notes in this exchange offer.
</TABLE>

                                  RISK FACTORS

    You should carefully consider the factors discussed in detail under the
caption "Risk Factors" in connection with the exchange offer and before making
an investment in the Series B notes.

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

    We were incorporated in Texas in December 1984 and reincorporated in
Delaware in December 1991. Our principal executive offices are located at 7301
Fairview, Houston, Texas 77041, and our telephone number is (713) 466-7788.

                                       9
<PAGE>
             SUMMARY HISTORICAL AND PRO FORMA FINANCIAL INFORMATION

    We have shown in the following table our summary historical and pro forma
financial information for the periods and the dates indicated. The historical
financial information for the three fiscal years ended October 31, 1998 is
derived from our audited financial statements. All other financial information
in the table is unaudited. The unaudited pro forma as adjusted statement of
income data give effect as of November 1, 1997 to (1) the MBCI acquisition and
(2) this offering and the application of our net proceeds. The pro forma as
adjusted information is not necessarily indicative of either our future results
of operations or what our results of operations would have been if the MBCI
acquisition had been completed on that date. In the MBCI acquisition, we
acquired all of the capital stock of Amatek Holdings, Inc., the former indirect
parent company of MBCI. Because Amatek had a fiscal year ended December 31, the
pro forma as adjusted information presented for the 12-month period ended
January 31, 1999 includes Amatek's financial information for the three-month
period ended March 31, 1998. You should read this table along with the
historical and pro forma financial statements and "Management's Discussion and
Analysis of Financial Condition and Results of Operations" included in this
prospectus.

<TABLE>
<CAPTION>
                                                                                                                 PRO FORMA
                                                                                THREE MONTHS        TWELVE      AS ADJUSTED
                                                                                   ENDED            MONTHS     TWELVE MONTHS
                                               YEAR ENDED OCTOBER 31,           JANUARY 31,          ENDED         ENDED
                                           -------------------------------  --------------------  JANUARY 31,   JANUARY 31,
                                             1996       1997       1998       1998       1999        1999          1999
                                           ---------  ---------  ---------  ---------  ---------  -----------  -------------
                                                                 (IN MILLIONS, EXCEPT PER SHARE DATA)
<S>                                        <C>        <C>        <C>        <C>        <C>        <C>          <C>
STATEMENT OF INCOME DATA:
Sales....................................  $   332.9  $   407.8  $   675.3  $    97.3  $   214.3   $   792.4     $   876.5
Cost of sales............................      241.4      299.4      497.9       71.9      160.1       586.0         654.9
                                           ---------  ---------  ---------  ---------  ---------  -----------       ------
Gross profit.............................       91.5      108.3      177.5       25.4       54.3       206.3         221.6
Operating expenses.......................       53.1       66.1       94.0       16.6       32.1       109.5         120.7
Nonrecurring acquisition expenses (1)....         --         --        2.1         --         --         2.1           2.1
                                           ---------  ---------  ---------  ---------  ---------  -----------       ------
Income from operations...................       38.4       42.3       81.4        8.8       22.2        94.8          98.9
Interest expense.........................        0.1        0.2       20.8         --        9.8        30.5          43.6
Other income.............................        1.6        2.0        0.5        0.7        0.7         0.5           0.5
Joint venture income (loss)..............         --         --        0.7         --         --         0.8           0.6
                                           ---------  ---------  ---------  ---------  ---------  -----------       ------
Income before income taxes...............       39.9       44.1       61.8        9.4       13.1        65.5          56.4
Provision for income taxes...............       15.1       16.2       24.5        3.4        5.7        26.9          24.4
                                           ---------  ---------  ---------  ---------  ---------  -----------       ------
Net income...............................  $    24.8  $    27.9  $    37.3  $     6.1  $     7.4   $    38.7     $    32.0
                                           ---------  ---------  ---------  ---------  ---------  -----------       ------
                                           ---------  ---------  ---------  ---------  ---------  -----------       ------

OTHER FINANCIAL DATA:
EBITDA (2)...............................  $    47.2  $    54.1  $   103.6  $    12.3  $    30.4   $   121.7     $   130.2
Depreciation and amortization (3)........        5.8        7.9       17.8        2.2        7.0        22.6          27.8
Capital expenditures.....................       10.3       11.3       20.8        2.1       11.2        29.9          31.5

SELECTED RATIO DATA:
EBITDA/interest expense..................                                                                              3.0x
EBITDA less capital expenditures/interest
  expense................................                                                                              2.3x
Total debt/EBITDA........................                                                                              3.7x
Earnings/fixed charges (4)...............                                                                              2.3x
</TABLE>

                                       10
<PAGE>

<TABLE>
<CAPTION>
                                                                                                       AS ADJUSTED
                                                                                       AS OF              AS OF
                                                                                 JANUARY 31, 1999   JANUARY 31, 1999
                                                                                 -----------------  -----------------
                                                                                            (IN MILLIONS)
<S>                                                                              <C>                <C>
BALANCE SHEET DATA:
Working capital................................................................      $    71.9          $    71.9
Property, plant and equipment, net.............................................          186.3              186.3
Total assets...................................................................          825.9              829.2
Total debt.....................................................................          476.7              480.9
Shareholders' equity...........................................................          235.7              235.2
</TABLE>

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

(1) Nonrecurring acquisition expenses in the third quarter of fiscal 1998
    represents severance and relocation expenses related to the consolidation of
    our components sales and marketing functions, estimated costs associated
    with announced plant closures and consolidations and costs associated with
    the integration of our product lines.

(2) "EBITDA" consists of net income before interest expense, taxes, depreciation
    and amortization, minority interest and nonrecurring gains and expenses.
    EBITDA also excludes non-cash employer contributions to our 401(k) plan,
    which are made in shares of our common stock, as shown for each of the
    following periods (in millions):

<TABLE>
<S>                                                                                      <C>
Year ended October 31, 1996............................................................  $     1.4
Year ended October 31, 1997............................................................        2.0
Year ended October 31, 1998............................................................        2.2
Three months ended January 31, 1998....................................................        0.6
Three months ended January 31, 1999....................................................        1.0
Twelve months ended January 31, 1999...................................................        2.6
Pro forma as adjusted twelve months ended January 31, 1999.............................        2.6
</TABLE>

    The amount shown for contributions for pro forma as adjusted twelve months
    ended January 31, 1999, does not include $1.3 million of cash employer
    contributions with respect to MBCI employees. On January 1, 1999, we began
    to make contributions for MBCI employees in shares of our common stock as
    required under our 401(k) plan.

    EBITDA is not a measure of financial performance under generally accepted
    accounting principles, but is presented here to provide additional
    information about operations. EBITDA should not be considered as an
    alternative to, or more meaningful than, net income or cash flows as an
    indicator of operating performance or as a better measure of liquidity.
    EBITDA may not be comparable to similarly titled measures of other
    companies. You should read the financial statements in this prospectus for
    information regarding operating, investing and financing cash flow
    activities.

(3) Depreciation and amortization includes deferred financing costs, which are
    also included in interest expense, as shown for each of the following
    periods (in millions):

<TABLE>
<S>                                                                             <C>
Year ended October 31, 1996...................................................         --
Year ended October 31, 1997...................................................         --
Year ended October 31, 1998...................................................  $     1.1
Three months ended January 31, 1998...........................................         --
Three months ended January 31, 1999...........................................        0.5
Twelve months ended January 31, 1999..........................................        1.6
Pro forma as adjusted twelve months ended January 31, 1999....................        2.4
</TABLE>

(4) The ratio of earnings to fixed charges has been computed by dividing
    earnings available for fixed charges (earnings before income taxes plus
    fixed charges less capitalized interest) by fixed charges (interest expense
    plus capitalized interest plus the portion of operating lease rental expense
    that represents the interest factor).

                                       11
<PAGE>
                                  RISK FACTORS

    YOU SHOULD CAREFULLY CONSIDER THE FOLLOWING RISK FACTORS AND ALL OTHER
INFORMATION CONTAINED IN THIS PROSPECTUS IN CONNECTION WITH THE EXCHANGE OFFER
AND BEFORE MAKING AN INVESTMENT IN THE SERIES B NOTES. INVESTING IN OUR NOTES
INVOLVES A HIGH DEGREE OF RISK. ANY OF THESE RISKS COULD MATERIALLY ADVERSELY
AFFECT OUR BUSINESS, OPERATING RESULTS AND FINANCIAL CONDITION AND COULD RESULT
IN A COMPLETE LOSS OF YOUR INVESTMENT.

WE ARE SIGNIFICANTLY LEVERAGED AND MAY NOT BE ABLE TO SERVICE OR REFINANCE OUR
  DEBT

    As a result of the MBCI acquisition, we are significantly leveraged. This
means we have a large amount of debt in relation to our shareholders' equity.
The following table presents relevant financial information after giving pro
forma effect to the MBCI acquisition and as adjusted to reflect completion of
this offering (in millions):
<TABLE>
<CAPTION>
                                                                                           PRO FORMA
                                                                                        AS ADJUSTED AT
                                                                                       JANUARY 31, 1999
                                                                                      -------------------
<S>                                                                                   <C>
Total debt..........................................................................       $   480.9
Shareholders' equity................................................................       $   235.2

<CAPTION>
                                                                                           PRO FORMA
                                                                                          AS ADJUSTED
                                                                                         TWELVE MONTHS
                                                                                             ENDED
                                                                                       JANUARY 31, 1999
                                                                                      -------------------
<S>                                                                                   <C>
Ratio of earnings to fixed charges..................................................            2.3x
</TABLE>

    We may also incur additional debt from time to time to finance acquisitions
or capital expenditures or for other purposes if we comply with the restrictions
in our senior credit facility and the indenture governing our notes.

    Our significant degree of leverage may have important consequences to us,
including the following:

    - Our ability to obtain additional financing, if necessary, for working
      capital, capital expenditures, acquisitions or other purposes may be
      impaired or additional financing may not be available on favorable terms.

    - We will need a substantial portion of our cash flow to pay the principal
      and interest on our debt, including debt that we may incur in the future.

    - Payments on our debt will reduce the funds that would otherwise be
      available for our operations and future business opportunities.

    - A substantial decrease in our net operating cash flows could make it
      difficult for us to meet our debt service requirements and force us to
      modify our operations.

    - We may be more leveraged than our competitors. This may place us at a
      competitive disadvantage.

    - We may be more vulnerable to a downturn in our business or the economy
      generally.

    - There would be a material adverse effect on our business and financial
      condition if we are unable to service our debt or obtain additional
      financing as needed.

    Our ability to pay principal and interest on our notes and to satisfy our
other obligations will depend upon:

    - Our future financial and operating performance will be affected by
      prevailing economic conditions and financial, business and other factors,
      some of which are beyond our control.

                                       12
<PAGE>
    - The future availability of revolving credit borrowings under our senior
      credit facility or any successor facility. Future availability depends on,
      among other things, our complying with covenants and meeting specified
      borrowing base requirements.

    Our cash flow from operations and available borrowings under our senior
credit facility may not be sufficient to service our debt, including our notes.
If we cannot service our debt, we will be forced to take actions such as
reducing or delaying acquisitions and/or capital expenditures, selling assets,
restructuring or refinancing our debt or seeking additional equity capital. We
can give you no assurance that we can do any of these things on satisfactory
terms or at all.

THE NOTES AND GUARANTEES ARE SUBORDINATE TO OUR OTHER DEBT; THE NOTES AND
  GUARANTEES ARE UNSECURED OBLIGATIONS

    Our notes and the guarantees are subordinated in right of payment to the
prior payment in full in cash of all our and our subsidiary guarantors' existing
and future senior debt. This includes all amounts owing under our senior credit
facility. As of January 31, 1999, we had approximately $475.2 million of senior
debt outstanding and we would have been able to borrow an additional $48.3
million under our five-year revolver. On an as adjusted basis after giving
effect to the offering of the Series A notes and the application of our net
proceeds, we would have had approximately $354.4 million of senior debt
outstanding and we would have been able to borrow an additional $48.3 million
under our five-year revolver and $20.8 million under our extendable facility.
Therefore, if either we or our subsidiary guarantors went into a bankruptcy,
liquidation, dissolution, reorganization or similar proceeding, our assets or
the assets of our subsidiary guarantors, as the case may be, will be available
to pay obligations on our notes only after the senior debt has been paid in full
in cash. We can give you no assurance that there will be sufficient assets
remaining to pay amounts due on our notes. In addition, all payments on our
notes and the guarantees will be blocked in the event of a payment default on
our senior debt and may be blocked for up to 179 of 365 consecutive days in the
event of specified non-payment defaults on our senior debt.

    The indenture permits us and our restricted subsidiaries to incur additional
senior debt, including debt under our senior credit facility. Debt under our
senior credit facility, including guarantees of that debt by our domestic
subsidiaries and our operating limited partnerships, is secured by the pledge of
all capital stock, partnership interests and other equity interests of our
subsidiaries. Other senior debt may be secured by our assets and our subsidiary
guarantors' assets. Our notes and the guarantees will be unsecured and therefore
will not have the benefit of any collateral. Accordingly, if either we or a
subsidiary guarantor went into a bankruptcy, liquidation, dissolution,
reorganization or similar proceeding, the lenders of our secured debt would have
the right to foreclose upon their collateral to the exclusion of the holders of
our notes. This would occur even if an event of default existed with respect to
our notes. In this event, our ownership interests in our subsidiaries as well as
any other of our assets or the assets of our subsidiary guarantors that had been
pledged as collateral to secure our senior credit facility or other senior debt
would first be used to repay in full in cash all amounts outstanding under the
secured debt. This would result in all or a portion of our or our subsidiary
guarantors' assets being unavailable to satisfy claims of holders of our notes
and other unsecured debt.

WE MUST COMPLY WITH DEBT COVENANTS

    We must comply with operating and financing restrictions in our senior
credit facility and the indenture. We may also have similar restrictions with
any future debt. These restrictions affect, and in many respects limit or
prohibit our ability to:

    - incur additional indebtedness;

    - make restricted payments, including dividends or other distributions;

                                       13
<PAGE>
    - incur liens;

    - make investments, including joint venture investments;

    - sell assets;

    - merge or consolidate with or into other companies or sell substantially
      all our assets; and

    - enter into transactions with affiliates.

    Our senior credit facility also requires us to achieve specified financial
and operating results and satisfy set financial tests governing our consolidated
net worth and our leverage, fixed charge coverage and senior debt ratios. These
restrictions could limit our ability to plan for or react to market conditions
or meet extraordinary capital needs or otherwise could restrict corporate
activities. These restrictions could also adversely affect our ability to
finance our future operations or capital needs or to engage in other business
activities that would be in our interest. Our inability to comply with these and
other provisions of the senior credit facility could result in a default under
the senior credit facility. The lenders under our senior credit facility could
then elect to declare all amounts borrowed under the senior credit facility
together with accrued interest to be due and payable, and we could be prohibited
from making payments with respect to our notes until the default is cured or all
debt under the senior credit facility is paid or satisfied in full. If we were
unable to repay these borrowings, the senior credit facility lenders could
proceed against their collateral. If the debt under the senior credit facility
were accelerated, we cannot assure you that our assets would be sufficient to
repay in full this debt and our other debt, including our notes. Any default
under our senior debt could have a material adverse effect on the market value
of our notes.

    If we have a change of control under our senior credit facility, it may
accelerate the amounts due under our senior credit facility, which could have a
material adverse affect on the holders of our notes.

OUR BUSINESSES ARE CYCLICAL

    The nonresidential construction industry is highly sensitive to national and
regional economic conditions. From time to time, it has been adversely affected
in various parts of the country by unfavorable economic conditions, low use of
manufacturing capacity, high vacancy rates, changes in tax laws affecting the
real estate industry, high interest rates and the unavailability of financing.
Sales of our products may be adversely affected by weakness in demand for our
products within particular customer groups, including builders of self-storage
facilities, or a recession in the engineered building industry, the general
construction industry or particular geographic regions. We cannot predict the
timing or severity of future economic or industry downturns. Any economic
downturn, particularly in states where many of our sales are made, could have a
material adverse effect on our results of operations and financial condition.
The markets for metal components, including overhead doors, self-storage
buildings and metal home framing systems, are also highly sensitive to overall
economic conditions, high interest rates and the availability of financing.

OUR BUSINESSES ARE SEASONAL

    The metal components and engineered building systems businesses, as well as
the construction industry in general, are seasonal in nature. Sales normally are
lower in the first calendar quarter of each year compared to the other three
quarters because of unfavorable weather conditions for construction and typical
business planning cycles affecting construction. This seasonality adversely
affects our results of operations for the first two fiscal quarters. Prolonged
severe winter weather conditions can delay construction projects and otherwise
adversely affect our business.

                                       14
<PAGE>
SUPPLY AND DEMAND FOR STEEL MAY AFFECT OUR BUSINESS

    Our principal raw material is steel. We do not have any long-term contracts
for the purchase of steel. During fiscal 1998, we purchased almost 80% of our
steel requirements from National Steel Corporation and Bethlehem Steel
Corporation. We do not maintain an inventory of steel in excess of our current
production requirements. We can give you no assurance that steel will remain
available or that prices will remain stable. The steel industry is highly
cyclical in nature, and steel prices are influenced by numerous factors beyond
our control. These factors include general economic conditions, competition,
labor costs, import duties and other trade restrictions. Furthermore, a
prolonged labor strike against one or more of our principal domestic suppliers
could have a material adverse effect on our operations. If the available supply
of steel declines or if one or more of our current suppliers is unable for any
reason to meet our requirements, we could experience price increases, a
deterioration of service from our suppliers or interruptions or delays that may
cause us not to meet delivery schedules to our customers. Any of these problems
could adversely affect our results of operations and financial condition.

WE ARE DEPENDENT ON KEY PERSONNEL

    We are dependent on the continued services of our senior management team.
Our senior management team has an average of over 20 years of industry
experience, with our three top executives averaging 35 years. The loss of these
key personnel could have a material adverse effect on our business, financial
condition and results of operations.

OUR BUSINESSES ARE HIGHLY COMPETITIVE

    Competition in the metal components and metal buildings markets of the
building industry is intense. It is based primarily on:

    - price

    - speed of construction

    - ability to provide added value in the design and engineering of buildings

    - service

    - quality

    - delivery

    We compete with a number of other manufacturers of metal components and
engineered building systems ranging from small local firms to large national
firms. In addition, we and other manufacturers of metal components and
engineered building systems compete with alternative methods of building
construction. These alternative building methods may be perceived as more
traditional, more aesthetically pleasing or having other advantages.

ACQUISITIONS MAY HAVE SHORT-TERM ADVERSE EFFECTS ON OUR OPERATIONS

    One element of our growth strategy is to pursue strategic acquisitions that
either expand or complement our business. We may not be able to integrate
successfully an acquired business into our business or operate profitably any
business we may acquire. Acquisitions involve a number of special risks. They
divert management's attention to the integration of the operations and personnel
of the acquired companies. They may also have adverse short-term effects on our
operating results. We may have difficulty integrating our financial reporting
and other management systems in connection with acquisitions.

                                       15
<PAGE>
WE HAVE POTENTIAL EXPOSURE TO ENVIRONMENTAL LIABILITIES

    We must comply with federal, state and local laws and regulations governing
the protection of the environment. These laws and regulations cover air
emissions, discharges to water, the management of wastes and hazardous
substances, the cleanup of contamination and the control of noise and odors. We
may incur significant fines or penalties if we fail to comply with these
environmental requirements. In some circumstances, a current or previous owner
or operator of real property, and parties that generate or transport hazardous
substances that are disposed of at real property, may be held liable for the
cost to investigate or clean up hazardous substances on or under the property.
We may incur liability, including liability for cleanup costs, if contamination
is discovered at one of our facilities or at a landfill or other location where
we have disposed of wastes. Because environmental requirements are becoming
increasingly stringent, our expenditures for environmental compliance may
increase and we may incur material costs associated with environmental
compliance in the future. From time to time, claims have been made against us
under environmental laws or regulations.

WE MAY BE ADVERSELY AFFECTED IF OUR INFORMATION SYSTEMS ARE NOT ABLE TO
  RECOGNIZE THE YEAR 2000

    We use software and related technologies throughout our businesses that will
be affected by the year 2000 issue. The year 2000 issue relates to information
systems and computer software programs being unable to properly recognize and
process date-sensitive information as the year 2000 approaches. We have
implemented a year 2000 plan in an attempt to ensure that our computer systems
and applications will function properly for years beyond 1999. We are carrying
out our plan as part of an overall upgrade of our management information
systems. We cannot assure you that the plan will be completed successfully or on
a timely basis. We have no separate budget for year 2000 compliance. As our MIS
upgrade is carried out, we may identify assets that present a risk of year
2000-related disruption. We do not have a contingency plan with respect to the
year 2000 issue if the MIS upgrade is not completed or is delayed beyond the end
of 1999. We are discussing with our vendors and customers the possibility of any
year 2000 interface difficulties that may affect us, but the ability of third
parties with whom we transact business to address adequately their year 2000
issue is outside our control. Our failure, or the failure of our vendors or our
customers, to have year 2000 compliant systems in place could have a material
adverse effect on our financial condition and results of operations.

WE MAY NOT BE ABLE TO REPURCHASE OUR NOTES UPON A CHANGE OF CONTROL

    Upon a change of control under the indenture, we must give holders of our
notes the opportunity to sell us their notes at 101% of their principal amount
plus accrued interest, if any, to the date of purchase. The source of funds for
any purchase will be our available cash or cash generated from operations or
other sources, including borrowings or sales of assets or equity. However, we
may not have sufficient funds at the time of any change of control to make any
required repurchases of notes tendered. In addition, restrictions in our senior
credit facility or in any future debt may not permit us to make the required
repurchases.

    The change of control provision in the indenture may not necessarily afford
holders of notes protection if we have a highly leveraged transaction. This type
of transaction includes a reorganization, restructuring, merger or other similar
transaction involving us that may adversely affect the holders. A highly
leveraged transaction may not involve a change in voting power or beneficial
ownership, or, even if it does, may not involve a change of the magnitude
required under the definition of change of control in the indenture to trigger
those provisions. Except as described under "Description of Registered
Notes--Change of Control," the indenture does not contain provisions that permit
the holders of the Notes to require us to repurchase or redeem our notes if a
takeover, recapitalization or similar transaction occurs.

                                       16
<PAGE>
WE CANNOT ASSURE YOU THAT AN ACTIVE TRADING MARKET WILL DEVELOP FOR THE SERIES B
  NOTES

    Before this exchange offer, there was no public market for the Series A
notes. We have been informed by Warburg Dillon Read LLC that it intends to
continue to make a market in the Series B notes after the exchange offer is
completed. Warburg Dillon Read LLC may, however, cease its market-making at any
time. In addition, the liquidity of the trading market in the Series B notes,
and the market price quoted for the Series B 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, we cannot assure you that an active trading
market will develop for the Series B notes. We do not intend to apply for
listing or quotation of the Series B notes on any securities exchange or stock
market. To the extent that Series A notes are tendered and accepted in the
exchange offer, the market for the remaining untendered Series A notes among
investors qualified to purchase and sell those notes could be adversely
affected.

THE SERIES A NOTES WILL CONTINUE TO BE SUBJECT TO TRANSFER RESTRICTIONS IF YOU
  DO NOT EXCHANGE THEM IN THE EXCHANGE OFFER

    If you do not exchange your Series A notes for Series B notes in the
exchange offer, the Series A notes will continue to be subject to the
restrictions on transfer described in the legend on the Series A notes. The
restrictions on transfer of the Series A notes exist because we issued the
Series A notes based upon exemptions to the registration requirements of the
Securities Act and applicable state securities laws. In general, you may only
offer or sell the currently outstanding Series A notes if they are registered
under the Securities Act and applicable state securities laws or are offered and
sold under an exemption from these registration requirements. We do not intend
to register the currently outstanding Series A notes under the Securities Act.

FRAUDULENT CONVEYANCE STATUTES MAY AFFECT OUR CREDITORS

    We used the net proceeds from the initial offering of the Series A notes to
repay borrowings of $120.8 million under our senior credit facility. The
obligations we incurred under the indenture and our notes and the obligations
incurred by our subsidiary guarantors under the indenture and their guarantees
may be reviewed under relevant federal and state fraudulent conveyance and
similar statutes in a bankruptcy or reorganization case or lawsuit commenced by
or on behalf of our creditors and those of the subsidiary guarantors. Under
these statutes, if a court were to find that, at the time we or our subsidiary
guarantors incurred debt under our senior credit facility or at the time we
issued our notes and our subsidiary guarantors issued the guarantees, we or a
subsidiary guarantor:

    - incurred the debt with the intent of hindering, delaying or defrauding
      present or future creditors; or

    - received less than the reasonably equivalent value in consideration for
      incurring the debt; and:

      -- were engaged or about to engage in a business or transaction for which
         our or the subsidiary guarantor's assets constituted unreasonably small
         capital, or

      -- intended to incur, or did incur, or believed that we or the subsidiary
         guarantor would incur, debts beyond our or its ability to pay as they
         matured or became due;

    then, the court might:

    - subordinate our notes or the guarantee to our or the subsidiary
      guarantor's presently existing or future debt;

    - void the issuance of our notes or the guarantees and direct the repayment
      of any amounts paid under our notes or the guarantees to our creditors; or

                                       17
<PAGE>
    - take other actions that would be detrimental to holders of our notes and
      the guarantees.

    The measure of insolvency under fraudulent conveyance statutes will vary
depending upon the law of the particular jurisdiction. However, we or a
subsidiary guarantor generally would be considered insolvent at the time we or a
subsidiary guarantor incurred debt under our senior credit facility, our notes
or the guarantees if:

    - the fair market value or the fair salable value of our assets or the
      assets of the subsidiary guarantor were less than the amount required to
      pay our or the subsidiary guarantor's total existing debts and
      liabilities, including the probable liability on contingent liabilities,
      as they become absolute or mature; or

    - we or the subsidiary guarantor were incurring debts beyond our or its
      ability to pay as the debts mature.

    We cannot predict:

    - what standard a court would apply to determine whether we or a subsidiary
      guarantor were "insolvent" as of the date we or the subsidiary guarantor
      incurred debt under our senior credit facility or issued our notes or the
      guarantee, or that regardless of the method of valuation a court would
      determine that we or a subsidiary guarantor were insolvent on that date;
      or

    - whether a court would determine that the payments constituted fraudulent
      transfers on another ground.

    In determining our solvency at any point in time, we rely on various
management valuations and estimates of future cash flow that necessarily involve
a number of assumptions and choices of methodology. A court may not adopt the
same assumptions and methodologies we have chosen or concur with our conclusion
as to our solvency.

    If a court were to find that any component of the MBCI acquisition,
including the incurrence of debt under our senior credit facility, constituted a
fraudulent transfer, to the extent proceeds from this offering were used to
refinance the senior debt, the court might find that we or a subsidiary
guarantor did not receive fair consideration of reasonably equivalent value in
consideration for incurring the debt represented by our notes and the
guarantees.

    If a court voids our notes or any guarantee as a fraudulent conveyance or
holds our notes or any guarantee unenforceable for any other reason, holders of
our notes would cease to have any claim in respect of us or the related
subsidiary guarantor. The holders would be our creditors or creditors of the
subsidiary guarantors only to the extent obligations were not voided or held
unenforceable. In this event, the claims of the holders of our notes against the
issuers of an invalid guarantee, if any claims were allowed, would be
subordinate to the prior payment of all liabilities and preferred stock claims
of the subsidiary guarantor. If any claims were allowed, we can give you no
assurance that, after providing for all prior claims, there would be sufficient
assets to satisfy the claims of the holders of our notes.

                                       18
<PAGE>
                              THE MBCI ACQUISITION

    In May 1998, we acquired all of the outstanding capital stock of Amatek from
BTR Australia Limited, an indirect wholly owned subsidiary of BTR plc, for a
purchase price of $588.5 million, including cash of $550.0 million. At the time
of the MBCI acquisition, Amatek had no operations other than MBCI. In connection
with the MBCI acquisition, we also issued 1,400,000 unregistered shares of our
common stock at the closing to officers and employees of MBCI in exchange for
their future interests in MBCI's senior management incentive plan. The issued
common stock had an approximate fair market value of $32.2 million at the time
of the MBCI acquisition.

    We financed the MBCI acquisition by obtaining a new senior credit facility
from a syndicate of lenders. Our senior credit facility originally consisted of
a $200.0 million five-year revolver, a $200.0 million five-year term loan
facility and a $200.0 million extendable facility. During fiscal 1998, we repaid
approximately $65.0 million of this debt and reduced our senior credit facility
to $540.0 million to better reflect our future needs. After the initial offering
of the Series A notes, we reduced our senior credit facility to a $440.0 million
facility to reflect the paydown of the extendable facility. Borrowings under our
senior credit facility may be used for working capital and other general
corporate purposes.

    The following table sets forth the cash sources and uses of funds, including
transaction costs, for the MBCI acquisition and the cost of the common stock
issued to MBCI officers and employees:
<TABLE>
<CAPTION>
               SOURCES OF FUNDS
- -----------------------------------------------
<S>                                   <C>
           (IN MILLIONS)
Cash................................  $    16.3
Senior credit facility:
  Five-year revolver................      140.0
  Term loan.........................      200.0
  Extendable facility...............      200.0
Issuance of common stock(b).........       32.2
                                      ---------
Total...............................  $   588.5
                                      ---------
                                      ---------

<CAPTION>
                 USES OF FUNDS
- -----------------------------------------------
<S>                                   <C>

Cash purchase price.................  $   550.0
Estimated transaction costs(a)......        6.3
Issuance of common stock(b).........       32.2

                                      ---------
Total...............................  $   588.5
                                      ---------
                                      ---------
</TABLE>

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

(a) Excludes $10.8 million in financing costs that were also paid in cash.

(b) Represents approximate fair market value at the time of the MBCI acquisition
    of 1,400,000 unregistered shares of our common stock.

                                       19
<PAGE>
                                USE OF PROCEEDS

    We will not receive any cash proceeds from the issuance of the Series B
notes. In consideration for issuing the Series B notes as described in this
prospectus, we will receive in exchange Series A notes in the same principal
amount. The Series A notes will be canceled and we will have no increase in our
indebtedness as a result of the exchange.

    The net proceeds from the initial offering of the Series A notes, after
deducting discounts and commissions to the initial purchasers and estimated
expenses of that offering, were approximately $120.8 million. We used the net
proceeds to repay borrowings under our extendable facility. After the
application of the net proceeds of the initial offering of the Series A notes,
we decreased the extendable facility to a $40.0 million facility.

    We currently have outstanding $39.2 million under the extendable facility
and have the ability to borrow an additional $0.8 million under the extendable
facility. The extendable facility had an original maturity date of May 3, 1999,
which was extended to May 1, 2000 with respect to all of these borrowings. If
the extended portion of the extendable facility is not repaid by us on or before
May 1, 2000 or further extended by the lenders, we have the option to convert it
to a three-year term note on the same terms. The three-year term note would be
due and payable at the end of the term of the note, but in no event later than
July 1, 2003. The extendable facility currently bears interest at LIBOR plus
1.75%.

                                 CAPITALIZATION

    The following table sets forth our capitalization at January 31, 1999, and
as adjusted as of January 31, 1999 to reflect the original sale of the Series A
notes and the application of the net proceeds from that sale. You should read
this table with "Use of Proceeds" and our and Amatek's financial statements
included in this prospectus.

<TABLE>
<CAPTION>
                                                                                                JANUARY 31, 1999
                                                                                             ----------------------
                                                                                              ACTUAL    AS ADJUSTED
                                                                                             ---------  -----------
                                                                                                 (IN MILLIONS)
<S>                                                                                          <C>        <C>
Total debt, including current portion:
Senior credit facility:
  Five-year revolver (1)...................................................................  $   150.0   $   150.0
  Term loan................................................................................      185.0       185.0
  Extendable facility (2)..................................................................      140.0        19.2
Senior subordinated notes..................................................................         --       125.0
Other debt.................................................................................        1.7         1.7
                                                                                             ---------  -----------
    Total debt, including current portion..................................................      476.7       480.9
                                                                                             ---------  -----------
Shareholders' equity:
Preferred stock, $1.00 par value; 1,000,000 shares authorized; no shares outstanding.......         --          --
Common stock, $0.01 par value; 50,000,000 shares authorized; 18,363,310 issued and
  outstanding..............................................................................        0.2         0.2
Additional paid-in capital.................................................................       94.1        94.1
Retained earnings(3).......................................................................      141.4       140.9
                                                                                             ---------  -----------
  Total shareholders' equity...............................................................      235.7       235.2
                                                                                             ---------  -----------
  Total capitalization.....................................................................  $   712.4   $   716.1
                                                                                             ---------  -----------
                                                                                             ---------  -----------
</TABLE>

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

(1) The five-year revolver is a $200.0 million facility and was fully drawable
    as of January 31, 1999. At January 31, 1999, we could have borrowed an
    additional $48.3 million on an actual and as adjusted basis under the
    five-year revolver.

(2) The extendable facility is a $140.0 million facility and was fully drawn on
    January 31, 1999. At January 31, 1999, we had no additional availability on
    an actual basis and could have borrowed an additional $20.8 million on an as
    adjusted basis under the extendable facility.

(3) Retained earnings as adjusted reflects costs of $0.5 million in connection
    with the early extinguishment of a portion of the extendable facility.

                                       20
<PAGE>
          UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL STATEMENTS

    The following Unaudited Pro Forma Condensed Combined Financial Statements
are based on our and Amatek's historical consolidated financial statements
included in this prospectus. Amatek was acquired on May 4, 1998. After the
acquisition date, its results of operations are included in our historical
consolidated financial statements. Our fiscal year ends on October 31. Amatek
had a fiscal year ended December 31.

    The Unaudited Pro Forma Condensed Combined Statements of Income for the year
ended October 31, 1998 and the 12-month period ended January 31, 1999, give
effect to the MBCI acquisition as if it had occurred on November 1, 1997. The
Unaudited Pro Forma Condensed Combined Statement of Income for the fiscal year
ended October 31, 1998 combines our results of operations for the fiscal year
ended October 31, 1998 with Amatek's results for the six months ended March 31,
1998. The Unaudited Pro Forma Condensed Combined Statement of Income for the
three months ended January 31, 1998 combines our results of operations for the
three months ended January 31, 1998 with Amatek's results for the three months
ended December 31, 1997. The Unaudited Pro Forma Condensed Combined Statement of
Income for the 12 months ended January 31, 1999 combines our results of
operations for the 12 months ended January 31, 1999 with Amatek's results for
the three months ended March 31, 1998.

    The Unaudited Pro Forma Condensed Combined Statements of Income also give
effect to this offering and the application of the net proceeds from the initial
offering of the Series A notes as of November 1, 1997.

    The unaudited pro forma adjustments are based upon available information and
upon assumptions and estimates that we believe are reasonable. We accounted for
the MBCI acquisition using the purchase method of accounting.

    The pro forma financial statements do not purport to represent what our
financial position or results of operations actually would have been had the
MBCI acquisition actually occurred on November 1, 1997 or to project our
financial position or results of operation for any future date or period.
Furthermore, the pro forma financial statements do not reflect changes that may
occur as the result of post-acquisition activities and other matters.

                                       21
<PAGE>
                           NCI BUILDING SYSTEMS, INC.

           UNAUDITED PRO FORMA CONDENSED COMBINED STATEMENT OF INCOME

                      TWELVE MONTHS ENDED OCTOBER 31, 1998

<TABLE>
<CAPTION>
                                                  HISTORICAL
                                          ---------------------------
<S>                                       <C>            <C>            <C>             <C>         <C>             <C>
                                             TWELVE          SIX
                                          MONTHS ENDED   MONTHS ENDED
                                          OCTOBER 31,     MARCH 31,
                                              1998           1998        PRO FORMA        PRO
                                          ------------   ------------   ACQUISITION      FORMA       OFFERING        PRO FORMA
                                              NCI         AMATEK(A)     ADJUSTMENTS     COMBINED    ADJUSTMENTS     AS ADJUSTED
                                          ------------   ------------   -----------     --------    -----------     -----------
                                                                  (IN THOUSANDS, EXCEPT PER SHARE DATA)
Sales...................................    $675,331       $195,695      $     --       $871,026      $    --        $871,026
Cost of sales...........................     497,862        153,306            --        651,168           --         651,168
                                          ------------   ------------   -----------     --------    -----------     -----------
Gross profit............................     177,469         42,389            --        219,858           --         219,858
Operating expenses......................      94,040         19,458         4,868(B)     116,513           --         116,513
                                                                           (1,853)(B)
Nonrecurring acquisition expenses.......       2,060             --            --          2,060           --           2,060
                                          ------------   ------------   -----------     --------    -----------     -----------
Income from operations..................      81,369         22,931        (3,015)       101,285           --         101,285
Equity income in joint venture..........         737             14            --            751           --             751
Nonrecurring gain.......................          --          3,284            --          3,284                        3,284
Interest expense........................     (20,756)            --       (20,257)(C)    (42,095)      (2,261)(D)     (44,558)
                                                                           (1,082)(C)                    (202)(D)
Other income............................         499            761          (408)(E)        852           --             852
                                          ------------   ------------   -----------     --------    -----------     -----------
Income before taxes.....................      61,849         26,990       (24,762)        64,077       (2,463)         61,614
Provision for income taxes..............      24,531          9,764        (7,361)(F)     26,934         (911)(F)      26,023
                                          ------------   ------------   -----------     --------    -----------     -----------
Net income(1)...........................    $ 37,318       $ 17,226      $(17,401)      $ 37,143      $(1,552)       $ 35,591
                                          ------------   ------------   -----------     --------    -----------     -----------
                                          ------------   ------------   -----------     --------    -----------     -----------
Net income per share:
  Basic.................................    $   2.17             --            --       $   2.07           --        $   1.99
                                          ------------                                  --------                    -----------
                                          ------------                                  --------                    -----------
  Diluted...............................    $   2.05             --            --       $   1.97           --        $   1.89
                                          ------------                                  --------                    -----------
                                          ------------                                  --------                    -----------
Weighted average number of common
  shares:
  Basic.................................      17,212             --           700(G)      17,912           --          17,912
  Diluted...............................      18,192             --           700(G)      18,892           --          18,892
EBITDA(2)...............................     103,600         27,518         1,445        132,563           --         132,563
Depreciation and amortization(3)........      17,818          3,812         5,950         27,580          202          27,782
Capital expenditures....................      20,834         10,497            --         31,331           --          31,331
</TABLE>

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

(1) Excludes cost of $0.5 million in connection with the early extinguishment of
    a portion of the extendable facility.

(2) "EBITDA" consists of net income before interest expense, taxes, depreciation
    and amortization, minority interest and nonrecurring gains and expenses. For
    the period shown, EBITDA also excludes non-cash employer contributions of
    $2.2 million to our 401(k) plan, which we made in shares of our common
    stock. EBITDA is not a measure of financial performance under generally
    accepted accounting principles, but is presented here to provide additional
    information about operations. EBITDA should not be considered as an
    alternative to, or more meaningful than, net income or cash flows as an
    indicator of operating performance or as a better measure of liquidity.
    EBITDA may not be comparable to similarly titled measures of other
    companies. You should read the financial statements in this prospectus for
    information regarding operating, investing and financing cash flow
    activities.

(3) Depreciation and amortization includes deferred financing costs, which are
    also included in interest expense, of $1.1 million for the twelve months
    ended October 31, 1998 and $2.4 million on a pro forma as adjusted basis.

   See Accompanying Notes to Unaudited Pro Forma Condensed Combined Financial
                                  Statements.

                                       22
<PAGE>
                           NCI BUILDING SYSTEMS, INC.

           UNAUDITED PRO FORMA CONDENSED COMBINED STATEMENT OF INCOME

                      THREE MONTHS ENDED JANUARY 31, 1998

<TABLE>
<CAPTION>
                                                  HISTORICAL
                                          ---------------------------
<S>                                       <C>            <C>            <C>             <C>         <C>             <C>
                                             THREE          THREE
                                          MONTHS ENDED   MONTHS ENDED
                                          JANUARY 31,    DECEMBER 31,
                                              1998           1997        PRO FORMA        PRO
                                          ------------   ------------   ACQUISITION      FORMA       OFFERING        PRO FORMA
                                              NCI         AMATEK(A)     ADJUSTMENTS     COMBINED    ADJUSTMENTS     AS ADJUSTED
                                          ------------   ------------   -----------     --------    -----------     -----------
                                                                  (IN THOUSANDS, EXCEPT PER SHARE DATA)
Sales...................................    $ 97,323       $111,523      $     --       $208,846      $   --         $208,846
Cost of sales...........................      71,886         84,442            --        156,328          --          156,328
                                          ------------   ------------   -----------     --------    -----------     -----------
Gross profit............................      25,437         27,081            --         52,518          --           52,518
Operating expenses......................      16,641          9,828         2,434(B)      27,909          --           27,909
                                                                             (994)(B)
                                          ------------   ------------   -----------     --------    -----------     -----------
Income from operations..................       8,796         17,253        (1,440)        24,609          --           24,609
Equity income in joint venture..........          --            175            --            175          --              175
Nonrecurring gain.......................          --          3,284            --          3,284          --            3,284
Interest expense........................         (47)            --       (10,128)(C)    (10,716)       (565)(D)      (11,332)
                                                                             (541)(C)                    (51)(D)
Other income............................         699            494          (204)(E)        989          --              989
                                          ------------   ------------   -----------     --------    -----------     -----------
Income before taxes.....................       9,448         21,206       (12,313)        18,341        (616)          17,725
Provision for income taxes..............       3,396          7,569        (3,655)(F)      7,310        (228)(F)        7,082
                                          ------------   ------------   -----------     --------    -----------     -----------
Net income(1)...........................    $  6,052       $ 13,636      $ (8,658)      $ 11,030      $ (388)        $ 10,643
                                          ------------   ------------   -----------     --------    -----------     -----------
                                          ------------   ------------   -----------     --------    -----------     -----------
Net income per share:
  Basic.................................    $    .37             --            --       $    .62          --         $    .60
                                          ------------                                  --------                    -----------
                                          ------------                                  --------                    -----------
  Diluted...............................    $    .35             --            --       $    .59          --         $    .57
                                          ------------                                  --------                    -----------
                                          ------------                                  --------                    -----------
Weighted average number of common
  shares:
  Basic.................................      16,325             --         1,400(G)      17,725          --           17,725
  Diluted...............................      17,286             --         1,400(G)      18,686          --           18,686
EBITDA(2)...............................      12,267         19,715           790         32,772          --           32,772
Depreciation and amortization(3)........       2,205          1,793         2,975          6,973          51            7,024
Capital expenditures....................       2,135          8,851            --         10,986          --           10,986
</TABLE>

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

(1) Excludes cost of $0.5 million in connection with the early extinguishment of
    a portion of the extendable facility.

(2) "EBITDA" consists of net income before interest expense, taxes, depreciation
    and amortization, minority interest and nonrecurring gains and expenses. For
    the period shown, EBITDA also excludes non-cash employer contributions of
    $0.6 million to our 401(k) plan, which we made in shares of our common
    stock. EBITDA is not a measure of financial performance under generally
    accepted accounting principles, but is presented here to provide additional
    information about operations. EBITDA should not be considered as an
    alternative to, or more meaningful than, net income or cash flows as an
    indicator of operating performance or as a better measure of liquidity.
    EBITDA may not be comparable to similarly titled measures of other
    companies. You should read the financial statements in this prospectus for
    information regarding operating, investing and financing cash flow
    activities.

(3) Depreciation and amortization includes deferred financing costs, which are
    also included in interest expense, of $0.6 million on a pro forma as
    adjusted basis.

   See Accompanying Notes to Unaudited Pro Forma Condensed Combined Financial
                                  Statements.

                                       23
<PAGE>
                           NCI BUILDING SYSTEMS, INC.

           UNAUDITED PRO FORMA CONDENSED COMBINED STATEMENT OF INCOME

                      TWELVE MONTHS ENDED JANUARY 31, 1999

<TABLE>
<CAPTION>
                                                  HISTORICAL
                                          ---------------------------
<S>                                       <C>            <C>            <C>             <C>         <C>             <C>
                                             TWELVE         THREE
                                          MONTHS ENDED   MONTHS ENDED
                                          JANUARY 31,     MARCH 31,
                                              1999           1998        PRO FORMA        PRO
                                          ------------   ------------   ACQUISITION      FORMA       OFFERING        PRO FORMA
                                              NCI         AMATEK(A)     ADJUSTMENTS     COMBINED    ADJUSTMENTS     AS ADJUSTED
                                          ------------   ------------   -----------     --------    -----------     -----------
                                                                  (IN THOUSANDS, EXCEPT PER SHARE DATA)
Sales...................................    $792,355       $ 84,172      $     --       $876,527      $    --        $876,527
Cost of sales...........................     586,046         68,864            --        654,910           --         654,910
                                          ------------   ------------   -----------     --------    -----------     -----------
Gross profit............................     206,309         15,308            --        221,617           --         221,617
Operating expenses......................     109,469          9,598         2,434(B)     120,673           --         120,673
                                                                             (828)(B)
Nonrecurring acquisition expenses.......       2,060             --            --          2,060           --           2,060
                                          ------------   ------------   -----------     --------    -----------     -----------
Income from operations..................      94,780          5,710        (1,606)        98,884           --          98,884
Equity income in joint venture..........         757           (161)           --            596           --             596
Interest expense........................     (30,460)            --       (10,128)(C)    (41,129)      (2,261)(D)     (43,592)
                                                                             (541)(C)                    (202)(D)
Other income............................         470            267          (204)(E)        533           --             533
                                          ------------   ------------   -----------     --------    -----------     -----------
Income before taxes.....................      65,547          5,816       (12,479)        58,884       (2,463)         56,421
Provision for income taxes..............      26,856          2,206        (3,716)(F)     25,346         (911)(F)      24,435
                                          ------------   ------------   -----------     --------    -----------     -----------
Net income(1)...........................    $ 38,691       $  3,610      $ (8,763)      $ 33,538      $(1,552)       $ 31,986
                                          ------------   ------------   -----------     --------    -----------     -----------
                                          ------------   ------------   -----------     --------    -----------     -----------
Net income per share:
  Basic.................................    $   2.19             --            --       $   1.86           --        $   1.77
                                          ------------                                  --------                    -----------
                                          ------------                                  --------                    -----------
  Diluted...............................    $   2.08             --            --       $   1.77           --        $   1.69
                                          ------------                                  --------                    -----------
                                          ------------                                  --------                    -----------
Weighted average number of common
  shares:
  Basic.................................      17,673             --           350(G)      18,023           --          18,023
  Diluted...............................      18,645             --           350(G)      18,995           --          18,995

EBITDA(2)...............................     121,701          7,835           624        130,160           --         130,160
Depreciation and amortization(3)........      22,647          2,019         2,975         27,641          202          27,843
Capital expenditures....................      29,864          1,646            --         31,510           --          31,510
</TABLE>

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

(1) Excludes cost of $0.5 million in connection with the early extinguishment of
    a portion of the extendable facility.

(2) "EBITDA" consists of net income before interest expense, taxes, depreciation
    and amortization, minority interest and nonrecurring gains and expenses. For
    the period shown, EBITDA also excludes non-cash employer contributions of
    $2.6 million to our 401(k) plan, which we made in shares of our common
    stock. EBITDA is not a measure of financial performance under generally
    accepted accounting principles, but is presented here to provide additional
    information about operations. EBITDA should not be considered as an
    alternative to, or more meaningful than, net income or cash flows as an
    indicator of operating performance or as a better measure of liquidity.
    EBITDA may not be comparable to similarly titled measures of other
    companies. You should read the financial statements in this prospectus for
    information regarding operating, investing and financing cash flow
    activities.

(3) Our depreciation and amortization for the period shown includes deferred
    financing costs, which are also included in interest expense, of $1.6
    million for the twelve months ended January 31, 1999 and $2.4 million on a
    pro forma as adjusted basis.

   See Accompanying Notes to Unaudited Pro Forma Condensed Combined Financial
                                  Statements.

                                       24
<PAGE>
                           NCI BUILDING SYSTEMS, INC.
                     NOTES TO UNAUDITED PRO FORMA CONDENSED
                         COMBINED FINANCIAL STATEMENTS

BASIS OF PRESENTATION--The Unaudited Pro Forma Condensed Combined Financial
Statements are presented to give pro forma effect to our acquisition of Amatek.

We have used the purchase method of accounting in preparing the Unaudited Pro
Forma Condensed Combined Financial Statements with respect to our acquisition of
Amatek. The Unaudited Pro Forma Condensed Combined Statement of Income for the
fiscal year ended October 31, 1998 combines our results of operations for the
fiscal year ended October 31, 1998 with Amatek's results for the six months
ended March 31, 1998. The Unaudited Pro Forma Condensed Combined Statement of
Income for the three months ended January 31, 1998 combines our results of
operations for the three months ended January 31, 1998 with Amatek's results for
the three months ended December 31, 1997. The Unaudited Pro Forma Condensed
Combined Statement of Income for the 12 months ended January 31, 1999 combines
our results of operations for the 12 months ended January 31, 1999 with Amatek's
results for the three months ended March 31, 1998. Amatek's results of
operations for the three months ended March 31, 1998 have been restated to
reflect adjustments to revenues and cost of sales of $2.7 million (related to
customer credit memos) and $1.0 million (related to an inventory write-off of
scrap metal), respectively, which were expensed by Amatek in April 1998. The
Unaudited Pro Forma Condensed Combined Statements of Income give effect to the
Amatek acquisition as if it had occurred on November 1, 1997.

(A) Due to the different fiscal year ends of us and Amatek as discussed above,
    Amatek's results of operations for the three months ended December 31, 1997
    are included in both the Unaudited Pro Forma Condensed Combined Statements
    of Income for the three months ended January 31, 1998 and fiscal year ended
    October 31, 1998, and Amatek's results of operations for the month ended
    April 30, 1998 are excluded from the Unaudited Pro Forma Condensed Combined
    Statements of Income for the 12 months ended October 31, 1998 and the 12
    months ended January 31, 1999. Amatek's revenues and net income for the
    three months ended December 31, 1997 were $111.5 million and $13.6 million,
    respectively, which includes a nonrecurring pre-tax gain of $3.3 million
    from insurance recoveries related to a plant fire. Amatek's revenues and net
    loss for the month ended April 30, 1998 were $37.2 million and $4.0 million,
    respectively, which net loss includes a nonrecurring pre-tax charge of $8.6
    million related to the acquisition for payments to Amatek management
    required due to the change in control of Amatek.

(B) To record additional amortization expense associated with the goodwill
    generated from the Amatek acquisition (assigned useful life of 40 years),
    offset by elimination of a management incentive charge incurred by Amatek on
    a historical basis.

(C) To record additional interest expense and amortization of debt issuance
    costs related to debt incurred in connection with the acquisition of Amatek.

(D) To give effect to the issuance of the Series A notes and the application of
    the net proceeds of the initial offering of the Series A notes to repay a
    portion of the outstanding principal of the extendable facility. Assumes net
    proceeds from this offering of $120.8 million and $0.2 million of net
    additional deferred financing cost amortization.

(E) To eliminate daily cash investment interest income for the portion of our
    excess cash utilized for the acquisition.

(F) To record the tax effect on the pro forma adjustments.

                                       25
<PAGE>
(G) To reflect the purchase of Amatek for consideration of $550.0 million in
    cash plus 1,400,000 shares of our common stock valued at $32.2 million
    issued to Amatek employees to replace the management incentive plan in place
    at Amatek. In addition, there were $6.3 million in transaction costs, which
    does not include $10.8 million in financing costs that were also paid in
    cash. Goodwill has been calculated as follows:

<TABLE>
<S>                                                                 <C>
Purchase price:
  Cash............................................................  $ 550,000
  Equity issued...................................................     32,200
Transaction costs.................................................      6,300
Less: Net assets acquired.........................................    199,000
                                                                    ---------
Goodwill..........................................................  $ 389,500
</TABLE>

                                       26
<PAGE>
             SELECTED HISTORICAL CONSOLIDATED FINANCIAL INFORMATION

NCI

    The selected historical consolidated financial information presented below
for, and as of the end of, each of the years in the five-year period ended
October 31, 1998, is derived from our audited consolidated financial statements.
The selected historical consolidated financial information for, and as of the
end of, the three months ended January 31, 1998 and 1999, is derived from our
unaudited consolidated financial statements. In our opinion, the unaudited
results of operations for, and as of the end of, the interim periods, include
all adjustments, consisting only of normal recurring adjustments, necessary for
a fair presentation of this information. The unaudited consolidated results of
operations for the interim periods are not necessarily indicative of the results
that may be expected for the full fiscal year. The selected historical financial
information is not necessarily indicative of the future results of operations.
This financial information should be read along with "Management's Discussion
and Analysis of Financial Condition and Results of Operations" and our financial
statements included in this prospectus.

<TABLE>
<CAPTION>
                                                                                        THREE MONTHS
                                                                                           ENDED
                                                       YEAR ENDED OCTOBER 31,           JANUARY 31,
                                               --------------------------------------  --------------
                                                1994    1995    1996    1997    1998    1998    1999
                                               ------  ------  ------  ------  ------  ------  ------
                                                        (IN MILLIONS, EXCEPT PER SHARE DATA)
<S>                                            <C>     <C>     <C>     <C>     <C>     <C>     <C>
STATEMENT OF INCOME DATA:
Sales........................................  $167.8  $234.2  $332.9  $407.8  $675.3  $ 97.3  $214.3
Cost of sales................................   124.1   169.8   241.4   299.4   497.9    71.9   160.1
                                               ------  ------  ------  ------  ------  ------  ------
Gross profit.................................    43.6    64.4    91.5   108.3   177.5    25.4    54.3
Operating expenses...........................    28.2    38.1    53.1    66.1    94.0    16.6    32.1
Nonrecurring acquisition expenses(1).........      --      --      --      --     2.1      --      --
                                               ------  ------  ------  ------  ------  ------  ------
Income from operations.......................    15.4    26.3    38.4    42.3    81.4     8.8    22.2
Interest expense.............................     0.1     0.1     0.1     0.2    20.8      --     9.8
Other income.................................     0.6     0.8     1.6     2.0     0.5     0.7     0.7
Joint venture income.........................      --      --      --      --     0.7      --      --
                                               ------  ------  ------  ------  ------  ------  ------
Income before income taxes...................    16.0    27.1    39.9    44.1    61.8     9.4    13.1
Provision for income taxes...................     5.7    10.0    15.1    16.2    24.5     3.4     5.7
                                               ------  ------  ------  ------  ------  ------  ------
Net income...................................  $ 10.3  $ 17.0  $ 24.8  $ 27.9  $ 37.3  $  6.1  $  7.4
                                               ------  ------  ------  ------  ------  ------  ------
                                               ------  ------  ------  ------  ------  ------  ------
Net income per share:
  Basic......................................  $ 0.82  $ 1.36  $ 1.60  $ 1.73  $ 2.17  $  .37  $  .41
                                               ------  ------  ------  ------  ------  ------  ------
                                               ------  ------  ------  ------  ------  ------  ------
  Diluted....................................  $ 0.77  $ 1.26  $ 1.51  $ 1.64  $ 2.05  $  .35  $  .39
                                               ------  ------  ------  ------  ------  ------  ------
                                               ------  ------  ------  ------  ------  ------  ------
Weighted average number of common shares:
  Basic......................................    12.4    12.5    15.5    16.1    17.2    16.3    18.2
  Diluted....................................    13.4    13.5    16.5    17.1    18.2    17.3    19.1

OTHER FINANCIAL DATA:
EBITDA(2)....................................  $ 19.0  $ 31.3  $ 47.2  $ 54.1  $103.6  $ 12.3  $ 30.4
Depreciation and amortization(3).............     2.2     3.2     5.8     7.9    17.8     2.2     7.0
Capital expenditures.........................     5.9     5.8    10.3    11.3    20.8     2.1    11.2

BALANCE SHEET DATA (AT END OF PERIOD):
Working capital..............................  $ 16.9  $ 31.7  $ 52.0  $ 76.8  $ 58.4  $ 84.3  $ 71.9
Property, plant and equipment, net...........    22.2    25.6    42.8    51.2   179.5    51.7   186.3
Total assets.................................    63.4    83.1   158.3   196.3   823.5   193.4   825.9
Total debt...................................     0.4     0.4     1.8     1.7   475.8     4.3   476.7
Shareholders' equity.........................    39.7    57.7   116.2   147.8   223.6   156.0   235.7
</TABLE>

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

(1) Nonrecurring acquisition expenses in the third quarter of fiscal 1998
    represents severance and relocation expenses related to the consolidation of
    components sales and marketing functions, estimated costs associated with
    announced plant closures and consolidations and costs associated with the
    integration of product lines.

                                       27
<PAGE>
(2) "EBITDA" consists of net income before interest expense, taxes, depreciation
    and amortization, minority interest and nonrecurring gains and expenses.
    EBITDA also excludes non-cash employer contributions to our 401(k) plan,
    which are made in shares of our common stock, as shown for each of the
    following periods (in millions):

<TABLE>
<S>                                                                                       <C>
Year ended October 31, 1994.............................................................  $     0.7
Year ended October 31, 1995.............................................................        1.0
Year ended October 31, 1996.............................................................        1.4
Year ended October 31, 1997.............................................................        2.0
Year ended October 31, 1998.............................................................        2.2
Three months ended January 31, 1998.....................................................        0.6
Three months ended January 31, 1999.....................................................        1.0
</TABLE>

    EBITDA is not a measure of financial performance under generally accepted
    accounting principles, but is presented here to provide additional
    information about operations. EBITDA should not be considered as an
    alternative to, or more meaningful than, net income or cash flows as an
    indicator of operating performance or as a better measure of liquidity.
    EBITDA may not be comparable to similarly titled measures of other
    companies. You should read the financial statements in this prospectus for
    information regarding operating, investing and financing cash flow
    activities.

(3) Depreciation and amortization includes deferred financing costs, which are
    also included in interest expense, as shown for each of the following
    periods (in millions):

<TABLE>
<S>                                                                                       <C>
Year ended October 31, 1994.............................................................         --
Year ended October 31, 1995.............................................................         --
Year ended October 31, 1996.............................................................         --
Year ended October 31, 1997.............................................................         --
Year ended October 31, 1998.............................................................  $     1.1
Three months ended January 31, 1998.....................................................         --
Three months ended January 31, 1999.....................................................        0.5
</TABLE>

                                       28
<PAGE>
MBCI

    The selected historical consolidated financial information presented below
for, and as of the end of, each of the three years in the three-year period
ended December 31, 1997, is derived from the audited consolidated financial
statements of Amatek. The selected historical consolidated financial information
for, and as of the end of, the two years ended December 31, 1994, and the three
months ended March 31, 1997 and 1998, is derived from the unaudited consolidated
financial statements of Amatek. In our opinion, the unaudited results of
operations for, and as of the end of, the interim periods include all
adjustments, consisting only of normal recurring adjustments, necessary for a
fair presentation of this information. The unaudited consolidated results of
operations for the interim periods are not necessarily indicative of the results
that may be expected for the full fiscal year. The selected historical financial
information is not necessarily indicative of the future results of operations.
This financial information should be read along with "Management's Discussion
and Analysis of Financial Condition and Results of Operations--Results of
Operations of MBCI" and Amatek's financial statements included in this
prospectus.

<TABLE>
<CAPTION>
                                                                                        THREE MONTHS
                                                                                           ENDED
                                                      YEAR ENDED DECEMBER 31,            MARCH 31,
                                               --------------------------------------  --------------
                                                1993    1994    1995    1996    1997    1997    1998
                                               ------  ------  ------  ------  ------  ------  ------
<S>                                            <C>     <C>     <C>     <C>     <C>     <C>     <C>
                                                                   (IN MILLIONS)
STATEMENT OF INCOME DATA:
Sales........................................  $226.5  $279.8  $315.7  $362.9  $408.0  $ 82.5  $ 84.2
Cost of sales................................   170.8   209.4   234.0   271.3   312.3    63.9    68.9
                                               ------  ------  ------  ------  ------  ------  ------

Gross profit.................................    55.7    70.4    81.7    91.6    95.6    18.6    15.3
Operating expenses...........................    20.7    24.8    24.9    29.7    36.6     8.5     9.6
                                               ------  ------  ------  ------  ------  ------  ------

Income from operations.......................    35.0    45.6    56.8    61.9    59.0    10.1     5.7
Interest income, net.........................     0.1     0.7     1.4     1.9     2.0     0.3     0.3
Equity in income (loss) of DOUBLECOTE........      --      --    (1.3)   (0.3)    0.1    (0.2)   (0.2)
Unusual/nonrecurring gain(1).................      --      --      --      --     3.3      --      --
                                               ------  ------  ------  ------  ------  ------  ------

Income before income taxes...................    35.1    46.3    56.9    63.5    64.3    10.2     5.8
Provision (benefit) for income taxes.........    14.5    20.5    23.0    24.9    24.6     4.1     2.2
                                               ------  ------  ------  ------  ------  ------  ------

Net income...................................  $ 20.6  $ 25.8  $ 33.9  $ 38.6  $ 39.7  $  6.1  $  3.6
                                               ------  ------  ------  ------  ------  ------  ------
                                               ------  ------  ------  ------  ------  ------  ------
OTHER FINANCIAL DATA:
EBITDA(2)....................................  $ 38.3  $ 49.9  $ 61.0  $ 69.0  $ 67.9  $ 11.8  $  7.8
Deprecation and amortization.................     3.2     3.4     4.1     5.5     6.8     1.6     2.0
Capital expenditures.........................     5.2    13.1    12.5    21.1    27.2     5.8     1.6

BALANCE SHEET DATA (AT END OF PERIOD):
Working capital..............................  $ 20.4  $ 27.0  $ 28.0  $ 35.0  $ 72.3  $ 52.0  $ 76.1
Property, plant and equipment, net...........    44.9    54.7    63.2    84.7   104.1    89.0   104.0
Total assets.................................    96.6   137.8   166.9   220.5   249.8   210.7   243.2
Total debt...................................     0.0     0.0     0.0     0.0     0.0     0.0     0.0
Shareholders' equity.........................    66.4    93.7   126.5   165.0   204.8   171.1   208.4
</TABLE>

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

(1) Unusual/nonrecurring gain reflects insurance recoveries for fire damage to
    Lubbock, Texas plant in 1997.

(2) "EBITDA" consists of net income before interest expense, taxes, depreciation
    and amortization, minority interest and nonrecurring gains and expenses.
    EBITDA is not a measure of financial performance under generally accepted
    accounting principles, but is presented here to provide additional
    information about operations. EBITDA should not be considered as an
    alternative to, or more meaningful than, net income or cash flows as an
    indicator of operating performance or as a better measure of liquidity.
    EBITDA may not be comparable to similarly titled measures of other
    companies. You should read the financial statements in this prospectus for
    information regarding operating, investing and financing cash flow
    activities.

                                       29
<PAGE>
                    MANAGEMENT'S DISCUSSION AND ANALYSIS OF
                 FINANCIAL CONDITION AND RESULTS OF OPERATIONS

    THE FOLLOWING DISCUSSION AND ANALYSIS SHOULD BE READ ALONG WITH OUR AND
AMATEK'S FINANCIAL STATEMENTS INCLUDED IN THIS PROSPECTUS.

    We are one of North America's largest integrated manufacturers of metal
products for the building industry, with 39 manufacturing and distribution
facilities located in 17 states and Mexico. We sell metal components and
engineered building systems, offering one of the most extensive metal product
lines in the building industry with well-recognized brand names. Our
consolidated results of operations for the year ended October 31, 1998 reflect
combined NCI and MBCI operations since May 4, 1998. Following completion of the
MBCI acquisition, we immediately began integrating our and MBCI's operations by
eliminating overlapping costs and consolidating our and MBCI's components
operations, including sales and marketing functions. This consolidation has
resulted in the closure of one plant and the reduction in operations at two
other plants currently targeted for closure by the end of 1999. As a result of
the MBCI acquisition, our product mix has shifted from engineered building
systems to metal components. Components sales constituted approximately
two-thirds of sales in fiscal 1998 as compared to approximately one-third of
sales in fiscal 1997.

RESULTS OF OPERATIONS OF NCI

    The following table presents, as a percentage of sales, selected
consolidated financial data for the periods indicated:

<TABLE>
<CAPTION>
                                                                                                    THREE MONTHS ENDED
                                                                      YEAR ENDED OCTOBER 31,           JANUARY 31,
                                                                  -------------------------------  --------------------
<S>                                                               <C>        <C>        <C>        <C>        <C>
                                                                    1996       1997       1998       1998       1999
                                                                  ---------  ---------  ---------  ---------  ---------
Sales...........................................................      100.0%     100.0%     100.0%     100.0%     100.0%
Cost of sales...................................................       72.5       73.4       73.7       73.9       74.7
                                                                  ---------  ---------  ---------  ---------  ---------
Gross profit....................................................       27.5       26.6       26.3       26.1       25.3
Operating expenses..............................................       16.0       16.3       13.9       17.1       14.9
Nonrecurring acquisition expenses...............................        0.0        0.0        0.3        0.0        0.0
                                                                  ---------  ---------  ---------  ---------  ---------
Income from operations..........................................       11.5       10.3       12.1        9.0       10.4
Interest expense................................................        0.0        0.0        3.1        0.0        4.6
Other income....................................................        0.5        0.5        0.2        0.7        0.3
                                                                  ---------  ---------  ---------  ---------  ---------
Income before income taxes......................................       12.0       10.8        9.2        9.7        6.1
Provision for income taxes......................................        4.5        4.0        3.6        3.5        2.6
                                                                  ---------  ---------  ---------  ---------  ---------
Net income......................................................        7.5%       6.8%       5.6%       6.2%       3.5%
                                                                  ---------  ---------  ---------  ---------  ---------
                                                                  ---------  ---------  ---------  ---------  ---------
</TABLE>

THREE MONTHS ENDED JANUARY 31, 1999 COMPARED TO THREE MONTHS ENDED JANUARY 31,
  1998

    Sales in the first quarter of fiscal 1999 increased by $117.0 million, or
120%, compared to the first quarter of fiscal 1998. Substantially all of this
increase resulted from the inclusion of MBCI, which we acquired in May 1998, in
the first quarter of fiscal 1999. Because we combined our component business
with MBCI, consolidated our component sales and marketing personnel and
transferred the operations of three of our manufacturing facilities to MBCI's
manufacturing facilities shortly after the completion of the transaction, it is
difficult to determine the exact impact on sales of the acquisition. We believe
that our business grew approximately 10% in the first quarter of fiscal 1999.
This internal growth resulted from expansion of our sales efforts and our
authorized builder organization.

                                       30
<PAGE>
    Gross profit for the first quarter increased $28.8 million, or 113%,
compared to the prior years' first quarter. Gross margin percentage declined
from 26.1% last year to 25.3% in the first quarter of fiscal 1999. The increased
mix of component sales versus building system sales accounted for this decline,
since component gross margin percentage is lower than building systems gross
margin percentage. This change resulted primarily from the acquisition of MBCI.
Due to the integration of MBCI's component operations with our component
operations after the acquisition, intercompany sales between units and the
transfer of operational control of several manufacturing facilities, it is not
possible to calculate the separate impact of MBCI on our gross margin
percentage.

    Operating expenses, which consist of engineering, selling and administrative
costs, increased $15.4 million, or 93%, in the first quarter of fiscal 1999
compared to the same period last year. As a percentage of sales, operating
expenses were 14.9% compared to 17.1% a year ago. The dollar increase was
primarily due to the inclusion of MBCI in the first quarter of fiscal 1999. As a
percentage of sales, operating expenses declined due to the spread of the fixed
cost element over the higher sales base and a lower level of operating expenses
in component operations as compared to building systems operations.

    Interest expense increased by $9.7 million in the first quarter of fiscal
1999 which resulted from the funds borrowed to finance the MBCI acquisition in
May 1998.

    Income before income taxes increased by $3.7 million, or 39%, as a result of
the increased sales volume, and improved operating expense percentages offset by
the increased interest expense for the period. As a percentage of sales, income
before taxes was 6.1% in the first quarter of fiscal 1999 compared to 9.7% in
the same quarter a year ago. The decline was primarily a result of the interest
expense incurred in the first quarter of fiscal 1999.

    Provision for income taxes increased by 68.5% in the first quarter of fiscal
1999, reflecting an effective tax rate of 43.5% in the first quarter compared to
35.9% for the same period last year. The increase in effective tax rate resulted
primarily from nondeductible amortization of goodwill associated with the MBCI
acquisition and increases in state income taxes.

FISCAL 1998 COMPARED TO FISCAL 1997

    Sales in fiscal 1998 increased by $267.8 million, or 66%, compared to fiscal
1997. The MBCI acquisition on May 4, 1998 accounted for a substantial portion of
this increase. It is difficult to determine the exact impact on sales of the
MBCI acquisition. We believe that our business grew approximately 9% in fiscal
1998. This internal growth resulted from geographical expansion of our sales
efforts and our authorized builder organization.

    Gross profit for fiscal 1998 increased by $69.1 million, or 64%, compared to
fiscal 1997. Gross profit dollars increased at a slightly slower rate than sales
because components typically have a lower gross profit percentage than building
systems. This accounted for the slight decline in gross profit percent to 26.3%
in fiscal 1998 from 26.6% in fiscal 1997. We believe that the internal growth of
gross profit was similar to the sales increase mentioned above.

    Operating expenses include engineering, selling and general and
administrative costs. Engineering expense is associated only with the sale of
engineered building systems. This expense increased by $1.2 million, or 9%, in
fiscal 1998 compared to fiscal 1997. This increase is in line with the growth of
engineered building systems sales. Selling, general and administrative expenses
increased $28.8 million, or 55%, in fiscal 1998 compared to fiscal 1997. These
expenses grew at a slower rate than sales because the component business has a
lower level of selling expense associated with it. As a result, the percentage
of selling, general and administrative expenses to sales declined to 12.1% in
fiscal 1998 from 13% in fiscal 1997.

                                       31
<PAGE>
    The nonrecurring acquisition expense of $2.1 million represented the
one-time cost of severance and relocation expenses related to the consolidation
of component sales and marketing functions, estimated costs associated with
announced plant closures and consolidations and costs associated with the
integration of product lines.

    Interest expense increased in fiscal 1998 to $20.8 million compared to $0.2
million in fiscal 1997 reflecting the cost of borrowed funds to finance the MBCI
acquisition and the amortization of debt issuance costs related to those
borrowings. On May 4, 1998, we borrowed $540.0 million to finance the MBCI
acquisition and had outstanding total debt of $475.7 million at the end of
October 1998. We entered into an interest rate swap agreement to fix the
interest on $200.0 million ($192.5 million outstanding as of October 31, 1998)
of this amount at 5.9% plus the applicable margin on borrowings which is
currently 1.75%. The remainder of the debt bears interest at a floating rate.

    Joint venture income of $737,000 in fiscal 1998 primarily represents the 50%
ownership in a coil coating plant which we acquired as part of the MBCI
acquisition.

    Income before income taxes increased by $17.7 million, or 40%, in fiscal
1998. The increase was less than the sales increase as a result of the increase
in interest expense, amortization of goodwill expense and the nonrecurring
acquisition expenses.

    Provision for income taxes increased by 51% in fiscal 1998, reflecting an
effective tax rate of 39.7% in fiscal 1998 compared to 36.8% in fiscal 1997. The
increase in effective tax rate resulted primarily from nondeductible
amortization of goodwill associated with the MBCI acquisition.

FISCAL 1997 COMPARED TO FISCAL 1996

    Sales in fiscal 1997 increased by $74.9 million, or 22%, compared to fiscal
1996. The acquisition of the facilities of Carlisle Engineered Metals in
February 1997 and the inclusion of Mesco Metal Buildings Division for the whole
fiscal year 1997 accounted for approximately $23.0 million of this increase. The
remaining increase of approximately $50.0 million, or 15%, resulted from growth
of sales in our door division due to geographic expansion, building systems
sales growth due to increased builder recruitment and a full year's operation of
our Atwater plant and growth in our components division.

    Gross profit increased by $16.8 million, or 18%, compared to fiscal 1996.
Gross profit dollars increased at a slower rate than sales due to price
competition earlier in the year, bad weather in the first half of 1997, which
impacted plant efficiencies, and slightly higher raw material costs. In
addition, growth in the component and door sales, which have lower gross margins
than building systems, impacted gross profit. As a result, the gross profit
percentage in 1997 declined from 27.5% to 26.6%.

    Operating expenses increased by $13.0 million, or 24%, compared to fiscal
1996. These expenses increased at a slightly higher rate than sales due to the
additional expenses resulting from the acquisition of Carlisle Engineered
Metals, additional sales expense to support the marketing of steel frame housing
and continued geographic expansion of our sales and marketing effort.

    Interest expense increased $55,000 in fiscal 1997 as a result of the $1.5
million debenture issued in April 1996 being outstanding all of 1997. Other
income, which consists primarily of interest income, increased by $413,000 in
fiscal 1997. This increase was the result of a higher level of cash invested
during the year.

    Income before income taxes increased by $4.2 million or 10.6%, in fiscal
1997. Income before income taxes was impacted by higher cost of sales and higher
operating expenses as a percentage of sales.

                                       32
<PAGE>
    Provision for income taxes increased by 7.7% in fiscal 1997 and decreased as
a percent of sales from 4.5% in fiscal 1996 to 4% in fiscal 1997. During the
year, we changed the corporate structure of some of our operating units which
reduced the amount of state income tax paid by these units.

RESULTS OF OPERATIONS OF MBCI

    The following table presents, as a percentage of sales, selected
consolidated financial data of MBCI for the periods indicated:

<TABLE>
<CAPTION>
                                                                                                      THREE MONTHS
                                                                            YEAR ENDED DECEMBER          ENDED
                                                                                    31,                MARCH 31,
                                                                            --------------------  --------------------
<S>                                                                         <C>        <C>        <C>        <C>
                                                                              1996       1997       1997       1998
                                                                            ---------  ---------  ---------  ---------
Sales.....................................................................      100.0%     100.0%     100.0%     100.0%
Cost of sales.............................................................       74.8       76.6       77.4       81.8
                                                                            ---------  ---------  ---------  ---------
Gross profit..............................................................       25.2       23.4       22.6       18.2
Operating expenses........................................................        8.2        9.0       10.4       11.4
                                                                            ---------  ---------  ---------  ---------
Income from operations....................................................       17.0       14.4       12.2        6.8
Interest income, net......................................................        0.6        0.5        0.3        0.3
Unusual/nonrecurring gain.................................................        0.0        0.8        0.0        0.0
Other income (expense)....................................................       (0.1)       0.0       (0.2)      (0.2)
                                                                            ---------  ---------  ---------  ---------
Income before income taxes................................................       17.5       15.7       12.3        6.9
Provision for income taxes................................................        6.9        6.0        4.9        2.6
                                                                            ---------  ---------  ---------  ---------
Net income................................................................       10.6%       9.7%       7.4%       4.3%
                                                                            ---------  ---------  ---------  ---------
                                                                            ---------  ---------  ---------  ---------
</TABLE>

THREE MONTHS ENDED MARCH 31, 1998 COMPARED TO THREE MONTHS ENDED MARCH 31, 1997

    Sales for the three months ended March 31, 1998 increased by $1.7 million,
or 2%, from the same period in 1997. The additional revenues were attributable
to increased metal components and hot roll coil sales. Light gauge steel
painting revenues declined 14% as major customers attempted to reduce
inventories. The increase in revenues was offset by an aggregate of $2.7 million
in credit memos written to customers in April 1998 to resolve invoices with
questioned or disputed items. Sales for the three months ended March 31, 1998
have been restated to reflect this adjustment.

    Gross profit decreased by $3.3 million, or 18%, in the first quarter of
1998, and decreased as a percentage of sales from 22.6% for the same period in
1997 to 18.2%. This decrease in gross profit resulted primarily from the
adjustment of $1.0 million resulting from an inventory write-off of partial
metal coils in April 1998. Cost of sales for the three months ended March 31,
1998 have been restated to reflect this inventory adjustment. The decrease in
gross profit was also due to a change in product mix as higher margin steel
painting decreased as a percentage of total sales.

    Operating expenses increased $1.1 million, or 12%, for the first three
months of 1998 due to costs of opening new plants in the western United States
in 1997. These expenses were not offset by related sales, since the new plants
did not make a significant revenue contribution due to both the seasonality of
the business and limited operations in the period.

    Other income decreased slightly in the first three months of 1998 due to
losses in MBCI's DOUBLECOTE joint venture offset by interest income on advances
to DOUBLECOTE.

1997 COMPARED TO 1996

    Sales in 1997 increased by $45.1 million, or 12%, as MBCI furthered its
expansion into the western United States metal components market during the
year, opening plants in Boise, Idaho, Salt Lake

                                       33
<PAGE>
City, Utah and Phoenix, Arizona. MBCI also expanded its architectural panel
capacity in the Memphis, Tennessee plant. Total metal components sales rose by
$33.5 million, or 11%. The largest increases came in commercial/industrial and
agricultural products. Metal coating and painting sales increased by $11.6
million, or 20%, as MBCI increased its efforts to expand prepainted packaged
coil sales. MBCI did not realize significant revenues from the new metal
components plants during the year as markets were being developed.

    Gross profit increased by $4.1 million, or 4%, in 1997 compared to 1996. The
gross margin percentage declined from 25.2% in 1996 to 23.4% in 1997, primarily
because of competitive pressures in the metal components sector. The strength of
the construction market encouraged competition to add capacity and attempt to
expand market share with pricing. Metal coating and painting gross margins also
declined due to a change in product mix. Prepainted coil package sales, which
have lower gross margins than toll coil coating, increased as a percentage of
total metal coating and painting sales.

    Operating expenses increased by $7.0 million, or 24%, in 1997 compared to
1996 due primarily to plant additions in Utah, Idaho and Arizona. This expansion
into the western U.S. market required additional sales and management personnel
and related administrative costs.

    In February 1997, the Lubbock, Texas metal components plant sustained major
fire damage. The facility was rebuilt and resumed operations in July 1997.
Insurance recoveries over cost basis resulted in a nonrecurring gain of $3.3
million. Other income increased by $387,000 in 1997 based on positive results in
MBCI's DOUBLECOTE joint venture.

QUARTERLY RESULTS

    The metal components and engineered building systems businesses, as well as
the construction industry in general, are seasonal in nature. Sales normally are
lower in the first calendar quarter of each year compared to the other three
quarters because of unfavorable weather conditions for construction and typical
business planning cycles affecting construction. This seasonality adversely
affects our results of operations for the first two fiscal quarters.

    The following table sets forth our selected unaudited quarterly financial
information for the 1996, 1997 and 1998 fiscal years and the first quarter of
1999.

<TABLE>
<CAPTION>
                                                                THREE MONTHS ENDED
               ---------------------------------------------------------------------------------------------------------------------
                                                                                                                            FISCAL
                          FISCAL 1996                         FISCAL 1997                         FISCAL 1998                1999
               ----------------------------------  ----------------------------------  ----------------------------------  ---------
               JAN. 31  APR. 30  JUL. 31  OCT. 31  JAN. 31  APR. 30  JUL. 31  OCT. 31  JAN. 31  APR. 30  JUL. 31  OCT. 31   JAN. 31
               -------  -------  -------  -------  -------  -------  -------  -------  -------  -------  -------  -------  ---------
                                                                   (IN MILLIONS)
<S>            <C>      <C>      <C>      <C>      <C>      <C>      <C>      <C>      <C>      <C>      <C>      <C>      <C>
Sales.........  $67.4    $72.2    $92.0   $101.4    $82.9    $91.7   $112.5   $120.8    $97.3    $95.3   $229.5   $253.1     $214.3
Gross
  profit......   17.4     19.5     25.5     29.1     22.4     23.7     29.8     32.5     25.4     26.6     60.7     64.7       54.3
Income from
  operations..    6.1      7.7     11.2     13.4      7.9      7.9     12.2     14.3      8.8      9.2     28.6     34.8       22.2
Net income....    4.0      5.1      7.2      8.6      5.2      5.2      8.0      9.6      6.1      6.4     11.1     13.8        7.4
</TABLE>

    The following table sets forth selected unaudited quarterly financial
information for MBCI for 1996, 1997 and the first quarter of 1998.

<TABLE>
<CAPTION>
                                                                   THREE MONTHS ENDED
                                ----------------------------------------------------------------------------------------
                                                1996                                     1997                     1998
                                -------------------------------------   --------------------------------------   -------
                                MAR. 31   JUN. 30   SEP. 30   DEC. 31   MAR. 31   JUN. 30   SEPT. 30   DEC. 31   MAR. 31
                                -------   -------   -------   -------   -------   -------   --------   -------   -------
                                                                     (IN MILLIONS)
<S>                             <C>       <C>       <C>       <C>       <C>       <C>       <C>        <C>       <C>
Sales.........................   $69.1     $92.3    $102.3     $99.2     $82.5    $103.6     $110.4    $111.5     $84.2
Gross profit..................    17.6      23.5      25.7      24.7      18.6      24.8       25.2      27.1      15.3
Income from operations........    11.9      17.0      17.1      15.9      10.1      16.1       16.2      16.6       5.7
Net income....................     7.2      11.2      10.4       9.8       6.1      10.0       10.1      13.6       3.6
</TABLE>

LIQUIDITY AND CAPITAL RESOURCES

    At January 31, 1999, we had working capital of $71.9 million compared to
$58.4 million at October 31, 1998. The increase in working capital resulted
primarily from a reduction of current liabilities related to the payment in the
first quarter of accrued expenses for year-end incentive payments, a reduction
in trade accounts payable and income tax payments made.

                                       34
<PAGE>
    At October 31, 1998, we had working capital of $58.4 million compared to
$76.8 million on October 31, 1997. The decrease of $18.4 million was primarily
the result of the payment of the cash portion of the purchase price for the MBCI
acquisition.

CASH FLOW

    We have historically funded our operations with cash flow from operations,
bank borrowings and the sale of common stock. We believe internal cash
generation has been aided by a compensation program under which bonuses are
earned based on achieving specified return on assets goals. This program
encourages management of the balance sheet as well as the income statement.

    During the first quarter of fiscal 1999, we generated $15.2 million in cash
flow from operations before changes in working capital components. During fiscal
1998, we generated $65.7 million in cash flow from operations before changes in
working capital components.

    Based on our current capitalization, we expect future cash flow from
operations and availability of alternative sources of financing will be
sufficient to provide adequate liquidity for the foreseeable future. Liquidity
in future periods will be dependent on internally generated cash flows, the
ability to obtain adequate financing for capital expenditures and expansion when
needed and the amount of increased working capital necessary to support expected
growth. We can give you no assurance that liquidity would not be impacted by a
decline in general economic conditions and higher interest rates, which would
affect our ability to obtain external financing.

LONG-TERM DEBT

    On May 4, 1998, we completed the MBCI acquisition and incurred debt of
$540.0 million under our senior credit facility.

    In March 1998, we entered into a $600.0 million senior credit facility. Our
senior credit facility originally consisted of (1) the five-year revolver of up
to $200.0 million, of which up to $20.0 million was available for commercial and
standby letters of credit, (2) the term loan, a five-year term loan facility in
the principal amount of up to $200.0 million and (3) the extendable facility of
up to $200.0 million. The initial funding of $140.0 million under the five-year
revolver, $200.0 million under the term loan and $200.0 million under the
extendable facility occurred on May 4, 1998, the date on which we acquired MBCI.
In addition to funding the MBCI acquisition, borrowings under our senior credit
facility may be used for working capital and other general corporate purposes.
During fiscal 1998, we reduced our senior credit facility to $540.0 million to
better reflect future needs. At January 31, 1999, we had outstanding borrowings
of $150.0 million under the five-year revolver, $185.0 million under the term
loan and $140.0 million under the extendable facility.

    The net proceeds from the initial offering of the Series A notes were $120.8
million. We used the net proceeds to repay borrowings under our extendable
facility.

    Loans and letters of credit under the five-year revolver will be available,
and amounts repaid under the five-year revolver may be reborrowed, at any time
until July 1, 2003, if we fulfill specified conditions precedent, including the
absence of a default under our senior credit facility. The term loan was fully
drawn down as of the MBCI acquisition date, and amounts repaid under the term
loan may not be reborrowed. Our obligations under our senior credit facility are
secured by the pledge of all capital stock, partnership interests and other
equity interests of our domestic subsidiaries. All obligations under our senior
credit facility are also guaranteed by each of those subsidiaries and our
operating limited partnerships. Our senior credit facility contains customary
financial and restrictive covenants with amounts and ratios negotiated between
us and our lenders.

    Our senior credit facility provides for loans bearing interest, at our
option, as follows: (1) base rate loans, base rate plus a margin that ranges
from 0% to 0.5%; and (2) LIBOR loans, adjusted LIBOR plus a margin that ranges
from 0.75% to 2%. The base rate is the higher of NationsBank, N.A.'s prime

                                       35
<PAGE>
rate or the overnight federal funds rate plus 0.5%, and adjusted LIBOR is the
applicable London interbank offered rate adjusted for reserves, if any. In each
case, the margin is adjusted based on our most recently determined ratio of
funded debt to EBITDA, as it is defined in our senior credit facility. Our
senior credit facility currently bears interest at LIBOR plus 1.75%. We
currently have an interest rate swap agreement in place, which limits our
variable interest rate exposure on the term loan. The agreement applies to the
full principal amount of the term loan and caps interest on LIBOR loans at 5.9%
plus the applicable LIBOR margin. In the first quarter of fiscal 1999, our
effective interest rate on variable rate loans was 7.6%.

    Loans under the five-year revolver mature on July 1, 2003. Loans under the
term loan are payable in successive quarterly installments beginning on October
31, 1998, in quarterly payments beginning with $7.5 million and gradually
increasing to $12.5 million on the maturity date. The extendable facility had an
original maturity date of May 3, 1999, which was extended to May 1, 2000 with
respect to all of these borrowings. If the extended portion of the extendable
facility is not repaid by us on or before May 1, 2000 or further extended by the
lenders, we have the option to convert it to a three-year term note on the same
terms. Borrowings under our senior credit facility may be prepaid and voluntary
reductions of the unused portion of the five-year revolver may be made at any
time, in agreed upon minimum amounts, without premium or penalty but we may
incur LIBOR breakage costs. We are required to make mandatory prepayments on our
senior credit facility upon the occurrence of specified events, including the
sale of assets and the issuance and sale of equity securities.

    As of January 31, 1999, we had $475.0 million outstanding under our senior
credit facility and could have borrowed an additional $48.3 million under the
five-year revolver. Total debt at January 31, 1999 also included $1.7 million,
representing a convertible debenture issued in connection with the Mesco
acquisition and an industrial revenue bond. We used the net proceeds of the
initial offering to repay $120.8 million of the outstanding principal balance of
the extendable facility.

CAPITAL EXPENDITURES

    During the first quarter of fiscal 1999, we spent $11.1 million in capital
additions for plant expansion, maintenance, capital replacements and
improvements and the development of new management information systems. We plan
to spend approximately $27.0 million in capital additions in fiscal 1999. Delays
or cancellation of planned projects could increase or decrease capital spending
from the amounts currently anticipated. During fiscal 1998, we spent $20.8
million in capital additions primarily for plant expansion and the development
of new management information systems. We also spent $15.5 million for the
acquisition of California Finished Metals, Inc., a coil painting facility
located in California.

    Acquisitions of additional assets and businesses are expected to continue to
be an important part of our strategy for growth. We may need to obtain
additional debt and/or equity financing to fund future acquisitions.

INFLATION

    Inflation has not significantly affected our financial position or
operations. Metal components and engineered building systems sales are affected
more by the availability of funds for financing construction than interest
rates. We can give you no assurance that inflation or interest rates will not
fluctuate significantly, either or both of which could have an adverse effect on
our operations.

ACCOUNTING STANDARDS

    In June 1997, the FASB issued Statement No. 131, DISCLOSURE ABOUT SEGMENTS
OF AN ENTERPRISE AND RELATED INFORMATION, which is effective for our fiscal year
ending October 31, 1999. We are evaluating the segments that will be reported
under Statement No. 131.

                                       36
<PAGE>
    In June 1998, the FASB issued Statement No. 133, ACCOUNTING FOR DERIVATIVE
INSTRUMENTS AND HEDGING ACTIVITIES, which requires companies to recognize all
derivatives as either assets or liabilities in the statement of financial
position and measure those instruments at fair value. Statement No. 133 is
effective for fiscal years beginning after June 15, 1999. We do not expect the
adoption of Statement No. 133 to have a material impact on our financial
position or results of operations.

IMPACT OF THE YEAR 2000 ISSUE

    The year 2000 issue is the result of computer programs having been written
using two digits rather than four to define the applicable year. Any computer
programs that have date-sensitive software may recognize a date using "00" as
the year 1900 rather than the year 2000. This could result in a system failure
or miscalculations causing disruptions of operations, including a temporary
inability to process transactions, send invoices or engage in similar normal
business activities.

    We have conducted a review of our computer systems to identify the systems
that could be affected by the year 2000 issue and are implementing our plan to
attempt to ensure that our MIS and computer software are year 2000 compliant.
This review is part of our overall upgrade of our MIS, which is currently in
progress and includes the installation of new systems. As a result, we have no
separate budget for year 2000 compliance. Expenses relating to reviewing and
assessing systems are included in historical operating expenses as part of
management information expenses and have not been separately identified. We
believe that with installation of the new systems, conversion to new software
and modifications to existing software, the year 2000 issue will pose no
significant operational problems for us. We expect to complete the MIS upgrade,
all new installations, conversions and necessary systems modifications and
conversions by early fall 1999. We cannot assure you, however, that we will be
able to install and maintain year 2000 compliant MIS and software. We do not
have a contingency plan with respect to the year 2000 issue if the MIS upgrade
is not completed or is delayed beyond the end of 1999. Our failure to address
adequately, and in a timely manner, the year 2000 issue, including ensuring that
our MIS and software are year 2000 compliant, could have a material adverse
effect on our business, results of operations and financial condition.

    To date, we have not identified any information technology assets under our
control that present a material risk of not being year 2000 ready or for which a
suitable alternative cannot be implemented or is not being implemented. As our
MIS upgrade is implemented, we may identify assets that present a risk of a year
2000-related disruption. It is also possible that a disruption could have a
material adverse effect on our business, financial condition and results of
operations.

    We are currently discussing with our vendors and customers the possibility
of any year 2000 interface difficulties that may affect us. The ability of third
parties with whom we transact business to address adequately their year 2000
issue is, however, outside of our control. If any third parties who provide
goods or services that are critical to our business activities fail to
appropriately address their year 2000 issues, there could be a material adverse
effect on our business, results of operations and financial condition.

MARKET RISK DISCLOSURE

    We face market risk exposure related to changes in interest rates on our
senior credit facility. These instruments carry interest at an agreed upon
percentage point spread from either the prime interest rate or LIBOR. Under our
senior credit facility, we may, at our option, fix the interest rate for some of
our borrowings based on a spread over LIBOR for 30 days to six months. Of the
amount outstanding under our senior credit facility at January 31, 1999, $185.0
million is covered by an interest rate swap agreement that effectively fixes the
interest rate at 5.9% plus the applicable margin on borrowings. This fixed rate
was 7.6% at January 31, 1999. Based on this balance, an immediate change of 1%
in the interest rate would cause a change in interest expense of approximately
$2.9 million on an annual basis. Our objective in maintaining these variable
rate borrowings is the flexibility obtained regarding early repayment without
penalties and lower overall cost as compared with fixed-rate borrowings.

                                       37
<PAGE>
                               INDUSTRY OVERVIEW

    The building industry encompasses a broad range of metal products,
principally composed of steel, sold through a variety of distribution channels
for use in diverse applications. These metal products include metal components
and engineered building systems.

METAL COMPONENTS

    Manufacturers of metal components for the building industry supply
pre-formed components, including roof and wall panels, doors, partitions,
related trim, accessories and other metal components used in engineered building
systems and other repair, retrofit and new construction applications for
commercial, industrial, agricultural, governmental, community and residential
uses. Metal components are used in a wide variety of construction applications,
including purlins and girts, roofing, walls, doors, trim and other parts of
traditional buildings, as well as in architectural applications and engineered
building systems. We estimate the metal components market including roofing
applications to be a multi-billion dollar market, although market data is
limited. We believe that the metal components business is less affected by
economic cycles than the engineered building systems business due to the use of
metal components in repair and retrofit applications. We believe that metal
products have gained and continue to gain a greater share of new construction
and repair and retrofit markets due to increasing acceptance and recognition of
the benefits of metal products in building applications.

    Metal roofing accounts for a significant portion of the overall metal
components market, but only approximately 6% of total annual roofing market
expenditures, estimated at over $21.0 billion based on available industry
information. As a result, we believe that significant opportunities exist for
metal roofing, with its advantages over conventional roofing materials, to
increase its overall share of this market. Metal roofing systems have several
advantages over conventional roofing systems, including the following:

    - LOWER LIFECYCLE COST. The total cost over the life of metal roofing
      systems is lower than that of conventional roofing systems for both new
      construction and retrofit roofing. For new construction, the cost of
      installing metal roofing is greater than the cost of conventional roofing.
      Yet, the longer life and lower maintenance costs of metal roofing make the
      cost more attractive. For retrofit roofing, although installation costs
      are 60-70% higher for metal roofing due to the need for a sloping support
      system, the lower ongoing costs more than offset the initial cost.

    - INCREASED LONGEVITY. Metal roofing systems generally last for 20 years
      without requiring major maintenance or replacement. This compares to five
      to ten years for conventional roofs. The cost of leaks and roof failures
      associated with conventional roofing can be very high, including damage to
      building interiors and disruption of the functional usefulness of the
      building. Metal roofing prolongs the intervals between costly and
      time-consuming repair work.

    - ATTRACTIVE AESTHETICS AND DESIGN FLEXIBILITY. Metal roofing systems allow
      architects and builders to integrate colors and geometric design into the
      roofing of new and existing buildings, providing an increasingly
      fashionable means of enhancing a building's aesthetics. Conventional
      roofing material is generally tar paper or a gravel surface, and building
      designers tend to conceal roofs made with these materials.

ENGINEERED BUILDING SYSTEMS

    Engineered building systems consist of engineered structural beams and
panels that are welded and roll formed in a factory and shipped to a
construction site complete and ready for assembly. Engineered building systems
manufacturers design an integrated system that meets applicable building code
requirements. These systems consist of primary structural framing, secondary
structural members like purlins and girts and covering for roofs and walls. Over
the last 15 years, engineered building

                                       38
<PAGE>
systems have significantly increased penetration of the market for
nonresidential low rise structures and are being used in a broad variety of
other applications. According to the Metal Building Manufacturers Association,
reported sales of engineered building systems have increased from approximately
$1.5 billion in 1993 to $2.7 billion in 1998. We believe this increase has
resulted primarily from (1) the significant cost advantages offered by these
systems, (2) increased architectural acceptance of engineered building systems
for construction of commercial and industrial building projects, (3) advances in
design versatility and production processes and (4) a favorable economic
environment. We believe the cost of an engineered building system generally
represents approximately 15-20% of the total cost of constructing a building,
which includes land cost, labor, plumbing, electrical, heating and air
conditioning systems installation and interior finish. Technological advances in
products and materials, as well as significant improvements in engineering and
design techniques, have led to the development of structural systems that are
compatible with more traditional construction materials. Architects and
designers now often combine an engineered building system with masonry, glass
and wood exterior facades to meet the aesthetic requirements of customers while
preserving the inherent characteristics of engineered building systems. As a
result, the uses for engineered building systems now include office buildings,
showrooms, retail stores, banks, schools, warehouses, factories and distribution
centers, and government and community centers for which aesthetics and
architectural features are important considerations of the end users.

    In our marketing efforts, we and other major manufacturers generally
emphasize the following characteristics of engineered building systems to
distinguish them from other methods of construction:

    - SHORTER CONSTRUCTION TIME. In many instances, it takes less time to
      construct an engineered building than other building types. In addition,
      because most of the work is done in the factory, the likelihood of weather
      interruptions is reduced.

    - MORE EFFICIENT MATERIAL UTILIZATION. The larger engineered building
      systems manufacturers use computer-aided analysis and design to fabricate
      structural members with high strength-to-weight ratios, minimizing raw
      materials costs.

    - LOWER CONSTRUCTION COSTS. The in-plant manufacture of engineered building
      systems, coupled with automation, allows the substitution of less
      expensive factory labor for much of the skilled on-site construction labor
      otherwise required for traditional building methods.

    - GREATER EASE OF EXPANSION. Engineered building systems can be modified
      quickly and economically before, during or after the building is completed
      to accommodate all types of expansion. Typically, an engineered building
      system can be expanded by removing the end or side walls, erecting new
      framework and adding matching wall and roof panels.

    - LOWER MAINTENANCE COSTS. Unlike wood, metal will not deteriorate because
      of cracking, rot or insect damage. Furthermore, factory-applied roof and
      siding panel coatings resist cracking, peeling, chipping, chalking and
      fading.

CONSOLIDATION

    Over the last several years, there has been consolidation in the metal
components and engineered building systems industry, which includes a large
number of small local and regional firms. We believe that this industry will
continue to consolidate, driven by the needs of manufacturers to increase
manufacturing capacity, achieve greater process integration and add geographic
diversity to meet customers' product and delivery needs, improve production
efficiency and manage costs.

                                       39
<PAGE>
                                    BUSINESS

OVERVIEW

    We are one of North America's largest integrated manufacturers of metal
products for the nonresidential building industry. We operate 39 manufacturing
and distribution facilities located in 17 states and Mexico. We sell metal
components and engineered building systems, offering one of the most extensive
metal product lines in the building industry with well-recognized brand names.
We believe that our leading market positions and strong track record of growth
in sales and EBITDA have resulted from our focus on:

    - Controlling operating and administrative costs

    - Managing working capital and fixed assets

    - Developing new markets

    - Successfully identifying strategic growth opportunities

    In May 1998, we acquired Metal Building Components, Inc. ("MBCI"), for a
purchase price of $588.5 million. The MBCI acquisition, which doubled our
revenue base, made us the largest domestic manufacturer of nonresidential metal
components and significantly improved our product mix.

    METAL COMPONENTS.  We are the largest domestic supplier of metal components
to the nonresidential building industry and have a market share at least twice
that of our largest competitor. We are also one of the largest suppliers in the
U.S. of roll-up doors for self-storage facilities. We design, manufacture, sell
and distribute one of the widest selections of components for a variety of new
construction applications as well as repair and retrofit uses.

    The following are the types of components we sell:

<TABLE>
<S>                                     <C>
- -  Metal roof and wall systems          -  Fascia
- -  Overhead doors                       -  Mansard accessories
- -  Interior and exterior doors          -  Trim accessories
</TABLE>

    Our components are used in the following markets:

<TABLE>
<S>                                     <C>
- -  Industrial                           -  Commercial
- -  Governmental                         -  Agricultural
- -  Community                            -  Residential
</TABLE>

    In addition to metal components manufacturing, we are also one of the
largest independent providers of hot roll and light gauge metal coil coating and
painting services and products. We coat and paint hot roll metal coils for our
own use in metal components manufacturing, supplying substantially all of our
internal metal coating and painting requirements. Our own use accounts for about
50% of our production. We also coat and paint hot roll metal coils and light
gauge metal for third parties for a variety of applications, including heating
and air conditioning systems, water heaters, lighting fixtures and office
furniture.

    We market our metal components products and metal coating and painting
services nationwide primarily through a direct sales force under several brand
names. These brand names include "Metal Building Components," "American Building
Components," "DBCI," "MBCI," "IPS," "Metal Coaters," "Metal-Prep," "DOUBLECOTE"
and "Midwest Metal Coatings." On a pro forma basis giving effect to the MBCI
acquisition, our sales of metal components and coating and painting services
were $597.8 million for the 12-month period ended January 31, 1999. This
represented 68.2% of our total sales.

    ENGINEERED BUILDING SYSTEMS.  We are one of the largest domestic suppliers
of engineered building systems. We design, manufacture and market engineered
building systems, self-storage building systems and metal home framing systems
for commercial, industrial, agricultural, governmental, community and

                                       40
<PAGE>
residential uses. We market these systems nationwide through authorized builder
networks totaling over 1,200 builders and a direct sales force under several
brand names. These brand names include "Metallic Buildings," "Mid-West Steel
Buildings," "A & S Buildings," "All American Systems," "Steel Systems" and
"Mesco." Our sales of engineered building systems were $278.7 million for the
12-month period ended January 31, 1999. This represented 31.8% of our total
sales on a pro forma basis giving effect to the MBCI acquisition.

    Before our combination with MBCI, both companies had individually
demonstrated strong growth in sales and EBITDA. Over the five fiscal years
before the MBCI acquisition, NCI achieved compound annual growth rates of 32.0%
in sales and 45.2% in EBITDA. Over the five fiscal years before its acquisition
by NCI, MBCI achieved compound annual growth rates of 15.8% in sales and 15.4%
in EBITDA.

COMPANY STRENGTHS

    We believe that we will benefit from the following key strengths:

    - LEADING MARKET POSITIONS.  We are the largest manufacturer of metal
      components for the nonresidential building industry and one of the largest
      suppliers of engineered building systems in the United States. We are also
      one of the largest independent providers of metal coating and painting
      services and products. We believe that these leading market positions are
      a result of our emphasis on high quality manufacturing, timely delivery of
      products and our broad line of branded building products that are well
      known in the industry.

    - FAVORABLE MIX BETWEEN NEW CONSTRUCTION AND REPAIR AND RETROFIT
      END-MARKETS.  We derive a majority of our sales and EBITDA from metal
      components sales. Unlike engineered building systems, metal components are
      used in a variety of repair and retrofit applications, as well as new
      construction. We believe that the favorable mix between these end-markets
      reduces our dependence on new construction activity and provides us with
      diverse growth opportunities.

    - LOW-COST SUPPLIER.  We strive to keep our purchasing, production,
      distribution and administrative costs low. Our size provides us with
      purchasing efficiencies and enhances our productivity through the sharing
      of best practices between our metal components and engineered building
      systems operations. In addition, we operate a nationwide system of
      manufacturing facilities, placing the manufacturing and distribution
      operations closer to our customers. This system helps reduce the need for
      substantial labor, machinery and inventory investments at each facility.
      It also helps control transportation costs and reduce delivery times. In
      addition, we have shifted our coil coating and painting needs from
      third-party providers to our own in-house coil painting and coating
      operations. Coil painting and coating is a significant cost element in
      metal components manufacturing. By using our own facilities, we are
      increasing coating usage and recapturing margin previously paid to third
      parties.

    - BROAD PRODUCT LINES AND DIVERSE CUSTOMER BASE.  We are one of the largest
      integrated suppliers in the industry with a wider variety of products and
      services than our competitors. In addition, we have a broad and
      diversified customer base that provides significant cross-selling
      opportunities. In fiscal 1998, our largest customer accounted for less
      than 2% of total sales.

    - NATIONWIDE COVERAGE.  We now have 39 facilities located in 17 states and
      Mexico, giving us extensive geographic reach across a number of high
      population growth areas. Our nationwide coverage reduces the impact of
      regional economic cycles and seasonality on our results of operations.

    - EXPERIENCED AND COMMITTED MANAGEMENT TEAM.  Our executive officers and key
      managers have an average of over 20 years of industry experience. This
      senior management team, along with our

                                       41
<PAGE>
      directors, also owns approximately 20% of our common stock, including
      exercisable stock options.

BUSINESS STRATEGY

    We believe we can maximize our sales and EBITDA by continuing to focus on
the following business strategies:

    - CONTROL OPERATING AND ADMINISTRATIVE COSTS.  We plan to maintain our focus
      on operating and administrative cost control. We intend to (1) continue to
      aggressively manage the purchase of raw materials, (2) further automate
      our manufacturing operations to reduce production costs, (3) capitalize on
      our nationwide coverage to reduce distribution costs and (4) minimize
      administrative expenses.

    - MANAGE WORKING CAPITAL AND FIXED ASSETS.  We plan to remain focused on
      obtaining a high rate of return on operating assets through strong balance
      sheet management. We seek to continue to minimize accounts receivable and
      inventory balances to improve cash flow. We manage our investment in fixed
      assets to achieve targeted rates of return. In addition, our bonus
      compensation plan for management is significantly focused on control of
      working capital and return on capital investment.

    - DEVELOP NEW MARKETS.  We intend to increase our presence in the metal
      components market, primarily for sales of metal roofing and wall systems.
      We plan to increase sales and EBITDA by using our multiple distribution
      channels to market our expanded range of metal components products to
      existing and new customers. Currently, we sell our products under
      well-recognized brand names through various distribution channels to a
      broad range of end users. These channels include (1) authorized builders,
      (2) building materials manufacturers, distributors and retailers, (3)
      roofing systems installers, (4) contractors and end users and (5) builders
      of self-storage facilities. We also plan to increase sales of our
      engineered building systems both in existing markets and new regional
      markets by using our nationwide metal components manufacturing facilities
      as platforms for expansion.

    - IDENTIFY STRATEGIC GROWTH OPPORTUNITIES.  We consider external
      opportunities an important part of our growth plan. We have a disciplined
      acquisition and expansion process for evaluating future opportunities.
      Since 1994, we have successfully acquired and integrated nine companies.
      To expand our geographic coverage and increase manufacturing capacity, we
      have also constructed nine new manufacturing facilities in the last six
      years and have formed four joint ventures.

                                       42
<PAGE>
ACQUISITIONS AND JOINT VENTURES

    ACQUISITIONS.  The following table describes our acquisition activity since
1994:

<TABLE>
<CAPTION>
                                             PURCHASE
                                 DATE          PRICE
SELLER                         ACQUIRED    (IN MILLIONS)       BUSINESS ACQUIRED                   LOCATIONS
- ----------------------------  -----------  -------------  ----------------------------  --------------------------------
<S>                           <C>          <C>            <C>                           <C>

Ellis Building Components,    Oct. 1994      $     4.9    Engineered building systems   Tallapoosa, GA.
  Inc.                                                    and metal components

Royal Metal Buildings, Inc.   Mar. 1995            0.9    Engineered building systems   Hobbs, NM
                                                          and metal components

Doors & Building Components,  Nov. 1995           14.7    Doors and interior metal      Douglasville, GA; Chandler, AZ
  Inc.                                                    components

Carlisle Engineered Metals,   Mar. 1996            2.8    Metal components (West coast  Lodi, CA
  Inc.                                                    division)

Anderson Industries, Inc.     Apr. 1996           22.3    Engineered building systems,  Southlake, TX
                                                          metal components, metal       Chester, SC
                                                          roofs and components (Mesco
                                                          division)

Alta Industries               Apr. 1996           21.2    Metal components (Steelco     Salt Lake City, UT; Boise, ID
                                                          division)

Carlisle Engineered Metals,   Feb. 1997            6.2    Insulated panels and metal    Stratford, TX;
  Inc.                                                    components (division)         Jemison, AL

BTR plc                       May 1998           588.5    Metal components and metal    Houston, TX
                                                          coating and painting (MBCI)   headquarters and 21 other
                                                                                        facilities in U.S.

Chicago Metallic Corporation  May 1998            15.5    Metal coating and painting    Rancho Cucamonga, CA
                                                          (California Finished Metals)
</TABLE>

    JOINT VENTURES.  We have also formed the following joint ventures:

<TABLE>
<CAPTION>
                              OPERATIONS    PERCENTAGE
JOINT VENTURE                    BEGUN       OWNERSHIP              BUSINESS                        LOCATION
- ----------------------------  -----------  -------------  ----------------------------  --------------------------------
<S>                           <C>          <C>            <C>                           <C>

DOUBLECOTE, L.L.C.            Apr. 1995            50%    Metal coating and painting    Jackson, MS

Metallic de Mexico, S.A. de   Nov. 1995            50%    Drafting and marketing        Monterrey, Mexico
  C.V.

Building Systems de Mexico,   July 1997            51%    Primary structures for        Monterrey, Mexico
  S.A. de C.V.                                            engineered building systems

Midwest Metal Coatings, LLC       (1)              50%    Metal coating and painting    Granite City, IL
</TABLE>

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

(1) Expected to commence operations in the summer of 1999.

                                       43
<PAGE>
PRODUCTS AND MARKETS

    Our product lines consist of metal components for the building industry and
engineered building systems. Our approximate sales attributable to these product
lines were as follows for the periods indicated:

<TABLE>
<CAPTION>
                                                               YEAR ENDED OCTOBER 31,                        PRO FORMA TWELVE-
                                          ----------------------------------------------------------------  MONTHS ENDED JANUARY
                                                  1996                  1997                  1998                31, 1999
                                          --------------------  --------------------  --------------------  --------------------
                                                                              (IN MILLIONS)
<S>                                       <C>        <C>        <C>        <C>        <C>        <C>        <C>        <C>
Engineered building systems.............  $   213.0      64.0%  $   246.6      60.5%  $   264.1      39.1%  $   278.7      31.8%
Metal components........................      119.9      36.0%      161.2      39.5%      411.2      60.9%      597.8      68.2%
                                          ---------  ---------  ---------  ---------  ---------  ---------  ---------  ---------
Total sales.............................  $   332.9     100.0%  $   407.8     100.0%  $   675.3     100.0%  $   876.5     100.0%
                                          ---------  ---------  ---------  ---------  ---------  ---------  ---------  ---------
                                          ---------  ---------  ---------  ---------  ---------  ---------  ---------  ---------
</TABLE>

    METAL COMPONENTS.  Our metal components consist of individual components,
including secondary structural framing, covering systems and associated metal
trims, that are sold directly to contractors or end users for use in the
building industry, including the construction of metal buildings. We also stock
and market metal component parts for use in the maintenance and repair of
existing buildings. Specific component products consist of end and side wall
panels, roof panels, purlins, girts, partitions, header panels and related trim
and screws. We believe we offer the widest selection of metal components in the
building industry.

    Purlins and girts are medium gauge, roll formed steel components. They are
supplied to builders for secondary structural framing. We custom produce purlins
and girts for our customers and offer the widest selection of sizes and profiles
in the United States. Covering systems, consisting of wall and roof panels,
protect the rest of the structure and the contents of the building from the
weather. They also contribute to the structural integrity of the building.

    Our metal roofing products are attractive and durable. We use standing seam
roof technology to replace traditional built-up and single-ply roofs as well as
to provide a distinctive look to new construction. We manufacture and design
metal roofing systems for sales to regional metal building manufacturers,
general contractors and subcontractors. We believe we have the broadest line of
standing seam roofing products in the building industry. We also have developed
and patented a retrofit metal panel, Retro-R-Registered Trademark-, that is used
to replace wall and roof panels of metal buildings.
Retro-R-Registered Trademark- can be installed over the top of existing metal
panels to remodel or preserve a standing structure. Although metal roofing is
somewhat more expensive than traditional roofing in upfront costs, its
durability and low maintenance costs make metal roofing a lower cost roofing
product after the first 10 years.

    We manufacture overhead doors and interior and exterior doors for use in
metal and other buildings. We are one of the largest suppliers in the U.S. of
roll-up doors to builders of self-storage facilities.

    We provide our own metal coating and painting products and services for use
in component manufacturing. We also provide pre-painted hot roll coils to
manufacturers of engineered building systems and metal components. Either a
customer provides coils through its own supply channels, which are processed by
us, or we purchase hot roll coils and process them for sale as a packaged
product. We also pre-paint light gauge steel coils for steel mills, which supply
the painted coils to various industrial users, including manufacturers of
engineered building systems, metal components and lighting fixtures.

    Our metal coating and painting operations apply a variety of paint systems
to metal coils. The process generally includes cleaning and painting the coil
and slitting it to customer specifications. We believe that pre-painted metal
coils are a better quality product, environmentally cleaner and more

                                       44
<PAGE>
cost-effective than painted metal products prepared in other manufacturers'
in-house painting operations. Painted metal coils also offer manufacturers the
opportunity to produce a broader and more aesthetically pleasing range of
products.

    ENGINEERED BUILDING SYSTEMS.  Engineered building systems consist of
pre-engineered structural beams and panels that are welded and roll formed in a
factory and shipped to a construction site complete and ready for assembly. We
design an integrated engineered building system that meets customer
specifications and allows easy on-site assembly by the builder or independent
contractor. Engineered building systems typically consist of three systems:

    - PRIMARY STRUCTURAL FRAMING. Primary structural framing, fabricated from
      heavy-gauge steel, supports the secondary structural framing, roof, walls
      and all externally applied loads. Through the primary framing, the force
      of all applied loads is structurally transferred to the foundation.

    - SECONDARY STRUCTURAL FRAMING. Secondary structural framing consists of
      medium-gauge, roll-formed steel components called purlins and girts.
      Purlins are attached to the primary frame to support the roof. Girts are
      attached to the primary frame to support the walls. The secondary
      structural framing is designed to strengthen the primary structural
      framing and efficiently transfer applied loads from the roof and walls to
      the primary structural framing.

    - COVERING SYSTEMS. Covering systems consist of roof and wall panels. These
      panels not only lock out the weather but also contribute to the structural
      integrity of the overall building system. Roof and siding panels are
      fabricated from light-gauge, roll-formed steel.

Accessory components complete the engineered building system. These components
include doors, windows, gutters and interior partitions.

                   [SIMPLIFIED DIAGRAM OF BUILDING]

SALES, MARKETING AND CUSTOMERS

    METAL COMPONENTS.  We sell metal components directly to regional
manufacturers, contractors, subcontractors, distributors, lumberyards,
cooperative buying groups and other customers under the brand names "Metal
Building Components," "American Building Components," "MBCI" and "IPS." Roll-up
doors, interior and exterior doors, interior partitions and walls, header panels
and trim are sold directly to contractors and other customers under the brand
names "Doors & Building Components"

                                       45
<PAGE>
or "DBCI." These components also are produced for integration into self storage
and engineered building systems sold by us.

    We market our components products within four product lines:

    - commercial/industrial

    - architectural

    - wood frame builders

    - residential

    Customers include regional engineered building systems manufacturers,
general contractors, subcontractors, roofing installers, architects and
end-users. Commercial and industrial businesses are heavy users of metal
components and metal buildings systems. Standing seam roof and architectural
customers are growing in importance. As metal buildings become a more acceptable
building alternative and aesthetics become an increasingly important
consideration for end users of metal buildings, we believe that architects are
participating in metal building design and purchase decisions to a greater
extent. Wood frame builders also purchase our metal components through
distributors, lumberyards, cooperative buying groups and chain stores for
various uses, including agricultural buildings. Residential customers are
generally contractors building upscale homes that require an architect-specified
product.

    Our metal components sales operations are organized into four geographic
regions. Each region is headed by a general sales manager supported by
individual plant sales managers. Each local sales office is located adjacent to
a manufacturing plant and is staffed by a direct sales force responsible for
contacting customers and architects and a sales coordinator who supervises the
sales process from the time the order is received until it is shipped and
invoiced. The regional and local focus of our customers requires extensive
knowledge of local business conditions. During fiscal 1998, our largest customer
for metal components accounted for less than 2% of our total sales.

    We provide our customers with product catalogs tailored to our product
lines, which include product specifications and suggested list prices. Some of
our catalogs are available on-line through the Internet, which enables
architects and other customers to download drawings for use in developing
project specifications. Customers place orders via telephone or facsimile to a
sales coordinator at the regional office who enters it onto a standard order
form. The form is then sent via computer to the plant and downloaded
automatically to the production machines.

    We have a small number of national accounts for our coating and painting
products and services and rely on a single sales manager. Our metal coating
joint ventures have independent sales forces.

    ENGINEERED BUILDING SYSTEMS.  We sell engineered building systems to
builders nationwide under the brand names "Metallic Buildings," "A&S Buildings"
and "Mesco." We market engineered building systems through an in-house sales
force to authorized builder networks of over 1,200 builders. We market
engineered building systems under the brand name "Mid-West Steel Buildings"
directly to contractors in Texas and surrounding states using an in-house sales
force. We also sell engineered building systems under the name "All American
Systems" and various private labels.

    Our authorized builder networks consist of independent general contractors
that market our Metallic Buildings, A&S Buildings and Mesco products to end
users. Most of our sales of engineered building systems outside of Texas and
surrounding states are through our authorized builder networks. We rely upon
maintaining a satisfactory business relationship for continuing job orders from
our authorized builders and do not consider the builder agreements to be
material to our business. During fiscal 1998, our largest customer for
engineered building systems accounted for less than 2% of our total sales.

    We enter into an agreement with an authorized builder, which generally
grants the builder the non-exclusive right to market our products in a specified
territory. The agreement is cancelable by

                                       46
<PAGE>
either party on 60 days notice. The agreement does not prohibit the builder from
marketing engineered building systems of other manufacturers. We establish an
annual sales goal for each builder and provide the builder with sales and
pricing information, design and engineering manuals, drawings and assistance,
application programs for estimating and quoting jobs and advertising and
promotional literature. We also defray a portion of the builder's advertising
costs and provide volume purchasing and other pricing incentives to encourage it
to deal exclusively or principally with us. The builder is required to maintain
a place of business in its designated territory, provide a sales organization,
conduct periodic advertising programs and perform construction, warranty and
other services for customers and potential customers. An authorized builder
usually is hired by an end user to erect an engineered building system on the
customer's site and provide general contracting and other services related to
the completion of the project. We sell our products to the builder, which
generally includes the price of the building as a part of its overall
construction contract with its customer.

MANUFACTURE AND DESIGN

    METAL COMPONENTS.  We operate 37 facilities used for manufacturing of metal
components for the building industry, including our metal coating and painting
operations. We believe this broad geographic penetration gives us an advantage
over our components competitors because major elements of a customer's decision
are the speed and cost of delivery from the manufacturing facility to the
product's ultimate destination. With the exception of our architectural and
standing seam products, we are not involved in the design process for the
components we manufacture. We also own a fleet of trucks to deliver our products
to our customers in a more timely manner than most of our competitors.

    Our doors, interior partitions and other related panels and trim products
are manufactured at dedicated plants in Georgia, Texas and Arizona. Orders are
processed at the Georgia plant and sent to the appropriate plant, which is
generally determined based upon the lowest shipping cost.

    Metal component products are roll-formed or fabricated at each plant using
roll-formers and other metal working equipment. In roll forming, pre-finished
coils of steel are unwound and passed through a series of progressive forming
rolls which form the steel into various profiles of medium-gauge structural
shapes and light-gauge sheets and panels.

    METAL COATING AND PAINTING.  We operate two metal coating and painting
facilities for hot rolled, medium gauge steel coils and two metal coating and
painting facilities for painting light gauge steel coils. These facilities
primarily service our needs, but we also process steel coils at these facilities
for other manufacturers. Metal coating and painting processes involve applying
various types of chemical treatments and paint systems to flat rolled continuous
coils of metal, including steel and aluminum. These processes give the coils a
baked-on finish that both protects the metal and makes it more attractive.
Initially, various metals in coil form are flattened, cleaned and pretreated.
The metal is then coated, oven cured, cooled, recoiled and packaged for
shipment. Slitting and embossing services can also be performed on the coated
metal before shipping according to customer specifications. Hot roll steel coils
typically are used in the production of secondary structural framing of metal
buildings and other structural applications. Painted light gauge steel coils are
used in the manufacture of products for building exteriors, metal doors,
lighting fixtures and appliances. Our metal coating operation is one of only two
metal coaters in the United States to receive the Supplier Excellence Award from
Bethlehem Steel Corporation.

    We are a joint venture partner in two metal coating operations. We own 50%
of an existing metal coating joint venture with a processing plant in Jackson,
Mississippi for painting light gauge steel coils. We also own 50% of a new joint
venture, which has acquired land in Granite City, Illinois and is building a hot
rolled coil coating facility. It is expected to commence operations in the
summer of 1999. The new facility will be used to slit and coat hot rolled coils
of medium gauge steel for use in manufacturing purlins and girts. We have agreed
to purchase a substantial portion of our production requirements for that
product from the new joint venture.

                                       47
<PAGE>
    ENGINEERED BUILDING SYSTEMS.  After we receive an order, our engineers
design the engineered building system to meet the customer's requirements and to
satisfy applicable building codes and zoning requirements. To expedite this
process, we use computer-aided design and engineering systems to generate
engineering and erection drawings and a bill of materials for the manufacture of
the engineered building system. We employ approximately 185 engineers and
draftsmen in this area.

    Once the specifications and designs of the customer's project have been
finalized, the manufacturing of frames and other building systems begins at one
of our six manufacturing facilities in Texas, Georgia, South Carolina or
Tennessee or our joint venture facility in Mexico. The fabrication of the
primary structural framing consists of a process in which rigid steel plates are
punched and sheared and then routed through an automatic welding machine and
sent through further fitting and welding processes. The secondary structural
framing and the covering subsystem are roll-formed steel products that are
manufactured at our full manufacturing facilities as well as our components
plants.

    Once manufactured, structural framing members and covering systems are
shipped to the job site for assembly. We generally are not responsible for any
on-site construction. The time elapsed between our receipt of an order and
shipment of a completed building system has typically ranged from four to eight
weeks, although delivery can extend somewhat longer if engineering and drafting
requirements are extensive.

    We own 51% of a joint venture, which began operation of a framing facility
in Monterrey, Mexico in July 1997. We purchase substantially all of the framing
systems produced by the Mexico joint venture.

RAW MATERIALS

    The principal raw material used in the manufacture of our metal components
products and engineered building systems is steel. Components are fabricated
from common steel products produced by mills including bars, plates, sheets and
galvanized sheets. During the 1998 fiscal year, we purchased approximately 80%
of our steel requirements from National Steel Corporation and Bethlehem Steel
Corporation. No other steel supplier accounted for more than 10% of steel
purchases for the same period. We believe concentration of our steel purchases
among a small group of suppliers that have mills and warehouse facilities close
to our facilities enables us, as a large customer of those suppliers, to obtain
better service and delivery. These suppliers generally maintain an inventory of
the types of materials we require. This enables us to utilize a form of
"just-in-time" inventory management with regard to raw materials.

    We do not have any long-term contracts for the purchase of raw materials. A
prolonged labor strike against one of our principal domestic suppliers could
have a material adverse effect on our operations. Alternative sources, however,
including foreign steel, are currently believed to be sufficient to maintain
required deliveries.

BACKLOG

    At January 31, 1999, the total backlog for orders for our products believed
by us to be firm was $126.0 million. This compares with a total backlog for our
products of $98.7 million at January 31, 1998 and for MBCI's products of $16.1
million at December 31, 1997. The increases in backlog reflect the results of
our marketing activities and market demand. Backlog primarily consists of
engineered building systems. Job orders generally are cancelable by customers at
any time for any reason. Occasionally, orders in the backlog are not completed
and shipped for reasons that include changes in the requirements of the
customers and the inability of customers to obtain necessary financing or zoning
variances. None of the backlog at January 31, 1999 currently is scheduled to
extend beyond January 31, 2000.

                                       48
<PAGE>
COMPETITION

    Competition in the metal components and metal buildings markets of the
building industry is intense. It is based primarily on:

    - price

    - speed of construction

    - ability to provide added value in the design and engineering of buildings

    - service

    - quality

    - delivery

    We compete with a number of other manufacturers of metal components and
engineered building systems for the building industry, ranging from small local
firms to large national firms. Most of these competitors operate on a regional
basis, although we believe that at least four other manufacturers of engineered
building systems and several manufacturers of metal components have nationwide
coverage. In addition, we and other manufacturers of metal components and
engineered building systems compete with alternative methods of building
construction, which may be perceived as more traditional, more aesthetically
pleasing or having other advantages.

REGULATORY MATTERS

    We must comply with a wide variety of federal, state and local laws and
regulations governing the protection of the environment. These laws and
regulations cover air emissions, discharges to water, the generation, handling,
storage, transportation, treatment and disposal of hazardous substances, the
cleanup of contamination, the control of noise and odors and other materials and
health and safety matters. Laws protecting the environment generally have become
more stringent than in the past and are expected to continue to do so.
Environmental laws and regulations generally impose strict liability. This means
that in some situations we could be exposed to liability for cleanup costs, and
toxic tort or other damages as a result of conduct that was lawful at the time
it occurred or because of the conduct of or conditions caused by prior operators
or other third parties. This strict liability is regardless of fault on our
part. We believe we are in substantial compliance with all environmental
standards applicable to our operations. We cannot assure you, however, that
cleanup costs, natural resource damages, criminal sanctions, toxic tort or other
damages arising as a result of environmental laws and costs associated with
complying with changes in environmental laws and regulations will not be
substantial and will not have a material adverse effect on our financial
condition. From time to time, claims have been made against us under
environmental laws. We have insurance coverage applicable to some environmental
claims and to specified locations after payment of the applicable deductible. We
do not anticipate material capital expenditures to meet current environmental
quality control standards. We cannot assure you that more stringent regulatory
standards will not be established that might require material capital
expenditures.

    We also must comply with federal, state and local laws and regulations
governing occupational safety and health, including review by the federal
Occupational Health and Safety Administration and similar state agencies. We
believe we are in substantial compliance with applicable laws and regulations.
Compliance does not have a material adverse affect on our business.

    The engineered building systems we manufacture must meet zoning and building
code requirements adopted by local governmental agencies.

PATENTS, LICENSES AND PROPRIETARY RIGHTS

    We have a number of United States patents and pending patent applications,
including patents relating to metal roofing systems and metal overhead doors. We
do not, however, consider patent

                                       49
<PAGE>
protection to be a material competitive factor in our industry. We also have
several registered trademarks and pending registrations in the United States.

EMPLOYEES

    As of January 31, 1999, we had approximately 3,700 employees, of whom over
2,700 were manufacturing and engineering personnel. We regard our employee
relations as satisfactory.

    Our employees are not represented by a labor union or collective bargaining
agreement. The United Steel Workers of America petitioned the National Labor
Relations Board to be recognized as the collective bargaining representative of
the production and maintenance employees of our Tallapoosa, Georgia facility. A
union election was held at the Tallapoosa facility in January 1996, and the
union lost the election. Similar elections were held at our Mattoon, Illinois
facility in November 1997 and our Rancho Cucamongo, California facility in
August 1998. The United Steel Workers of America lost each of those elections.

LEGAL PROCEEDINGS

    We are involved in various legal proceedings that we consider to be in the
normal course of business. We believe that these proceedings will not have a
material adverse effect on our results of operations or financial condition.

PROPERTIES

    We conduct manufacturing operations at the following facilities:

<TABLE>
<CAPTION>
                                                                                               SQUARE       OWNED
FACILITY                                          PRODUCTS                                      FEET      OR LEASED
- ------------------------------------------------  ------------------------------------------  ---------  -----------
<S>                                               <C>                                         <C>        <C>
Chandler, Arizona...............................  Doors and related metal components             35,000      Leased
Tomlinson, Arizona..............................  Metal components(1)                            65,980       Owned
Atwater, California.............................  Metal components(2)                            85,700       Owned
Rancho Cucamonga, California....................  Metal coating and painting                     98,000       Owned
Tampa, Florida..................................  Metal components(3)                            28,775       Owned
Adel, Georgia...................................  Metal components(1)                            59,550       Owned
Douglasville, Georgia...........................  Metal components(4)                           110,536       Owned
Douglasville, Georgia...........................  Doors and related metal components             60,000       Owned
Marietta, Georgia...............................  Metal coating and painting                    125,700       Owned
Tallapoosa, Georgia.............................  Engineered building systems(5)                246,000      Leased
                                                  Metal components
Nampa, Idaho....................................  Metal components(3)                            42,900       Owned
Granite City, Illinois..........................  Metal coating and painting(9)                  94,000       Owned
Mattoon, Illinois...............................  Metal components(2)                            90,600       Owned
Shelbyville, Indiana............................  Metal components(3)                            66,450       Owned
Nicholasville, Kentucky.........................  Metal components(6)                            41,280       Owned
Monterrey, Mexico(7)............................  Engineered building systems(8)                 64,125       Owned
Jackson, Mississippi............................  Metal components(2)                            96,000       Owned
Jackson, Mississippi(9).........................  Metal coating and painting                    363,200       Owned
Omaha, Nebraska.................................  Metal components(6)                            51,750       Owned
Rome, New York..................................  Metal components(3)                            57,700       Owned
Oklahoma City, Oklahoma.........................  Metal components(1)                            59,695       Owned
Chester, South Carolina.........................  Engineered building systems(5)                124,000       Owned
                                                  Metal components
Caryville, Tennessee............................  Engineered building systems(5)                193,800       Owned
                                                  Metal components
Memphis, Tennessee..............................  Metal coating and painting                     61,500       Owned
Nesbitt, Tennessee..............................  Metal components(1)                            71,720       Owned
Ennis, Texas....................................  Metal components and studs                     33,000       Owned
</TABLE>

                                       50
<PAGE>
<TABLE>
<CAPTION>
                                                                                               SQUARE       OWNED
FACILITY                                          PRODUCTS                                      FEET      OR LEASED
- ------------------------------------------------  ------------------------------------------  ---------  -----------
<S>                                               <C>                                         <C>        <C>
Grand Prairie, Texas............................  Metal components(1)                            48,027       Owned
Houston, Texas..................................  Metal components                               97,000       Owned
Houston, Texas(10)..............................  Metal components(4)                           209,355       Owned
Houston, Texas..................................  Metal coating and painting                     39,550       Owned
Houston, Texas(11)..............................  Engineered building systems(5)                358,375       Owned
                                                  Metal components
Houston, Texas..................................  Doors                                          23,625       Owned
Houston, Texas..................................  Engineered building systems(9)                 70,200      Leased
Lubbock, Texas..................................  Metal components(1)(6)                         64,320       Owned
San Antonio, Texas..............................  Metal components(3)                            52,360       Owned
Southlake, Texas................................  Engineered building systems(5)                123,000       Owned
                                                  Metal components
Stafford, Texas.................................  Metal components                               56,840      Leased
Salt Lake City, Utah............................  Metal components(1)                            93,150       Owned
Colonial Heights, Virginia......................  Metal components(1)                            37,000       Owned
</TABLE>

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

 (1) Secondary structures and covering systems.

 (2) Includes secondary structures and covering systems.

 (3) Covering systems or products.

 (4) Full components product range.

 (5) Primary structures, secondary structures and covering systems.

 (6) Specialized products.

 (7) We own a 51% interest in a joint venture that owns this facility.

 (8) Primary structures.

 (9) We own a 50% interest in a joint venture that owns this facility.

 (10) Includes 18,000 square feet used for the principal offices of the metal
      components and metal coaters divisions.

 (11) Includes 33,600 square feet used for our principal executive offices and
      the principal offices of the engineered buildings systems division.

    We also maintain several drafting office facilities and retail locations in
various states. We have short-term leases for these additional facilities.

    We believe that our present facilities are adequate for our current and
projected operations.

    We have purchased approximately five acres of land in Houston, Texas where
we plan to construct a new 60,000 square foot facility. The new facility will be
used as our principal executive and administrative offices.

                                       51
<PAGE>
                                   MANAGEMENT

DIRECTORS, EXECUTIVE OFFICERS AND OTHER KEY MANAGERS

    Our directors, executive officers and other key managers, and their ages as
of May 31, 1999, are as follows:

<TABLE>
<CAPTION>
NAME                                               AGE                                POSITION
- ---------------------------------------------      ---      ------------------------------------------------------------
<S>                                            <C>          <C>
DIRECTORS AND EXECUTIVE OFFICERS:

C.A. Rundell, Jr.............................          67   Chairman of the Board and Class II Director of NCI

Johnie Schulte...............................          63   Chief Executive Officer, Chairman of the Executive Committee
                                                            and Class III Director of NCI; President and Chief Executive
                                                            Officer of Engineered Buildings Division

A.R. Ginn....................................          59   President, Chief Operating Officer and Class I Director of
                                                            NCI; President and Chief Executive Officer of Metal
                                                            Components Division; Chief Executive Officer of Metal
                                                            Coaters Division

Robert J. Medlock............................          59   Executive Vice President, Chief Financial Officer, Treasurer
                                                            and Class III Director of NCI; Vice President, Chief
                                                            Financial Officer and Treasurer of Engineered Buildings
                                                            Division

Kenneth W. Maddox............................          52   Executive Vice President, Administration and Class I
                                                            Director of NCI; Vice President and Chief Financial Officer
                                                            of Metal Components Division and Metal Coaters Division

Donnie R. Humphries..........................          49   Secretary of NCI; Vice President, Human Relations of
                                                            Engineered Buildings Division

T.C. Arnett..................................          66   Class I Director of NCI

William D. Breedlove.........................          59   Class III Director of NCI

Gary L. Forbes...............................          55   Class II Director of NCI

Robert N. McDonald...........................          71   Class II Director of NCI

Daniel D. Zabcik.............................          70   Class I Director of NCI

OTHER KEY MANAGERS:

Jerry D. Boen................................          52   Vice President, Marketing of Metal Components Division

David B. Curtis..............................          39   President of Doors & Building Components Division

Charles W. Dickinson.........................          47   Vice President, Sales of Metal Components Division

John T. Eubanks..............................          58   President of Mesco Metal Buildings Division

Leonard F. George............................          46   Executive Vice President of Engineered Buildings Division

Kelly R. Ginn................................          38   Vice President, Manufacturing of Metal Components Division
</TABLE>

                                       52
<PAGE>
<TABLE>
<CAPTION>
NAME                                               AGE                                POSITION
- ---------------------------------------------      ---      ------------------------------------------------------------
<S>                                            <C>          <C>
Richard F. Klein.............................          60   President and Chief Operating Officer of Metal Coaters
                                                            Division

Fredrick D. Koetting.........................          39   Vice President, Operations of Engineered Buildings Division

Alvan E. Richey, Jr..........................          63   Vice President, Sales and Marketing of Engineered Buildings
                                                            Division
</TABLE>

    DIRECTORS AND EXECUTIVE OFFICERS:

    C.A. Rundell, Jr. has served as a director and Chairman of the Board of NCI
since April 1989. Since May 1988, Mr. Rundell has owned and operated Rundell
Enterprises, a sole proprietorship engaged in providing acquisition and
financial consulting services to various business enterprises. Mr. Rundell is a
director and a member of the Executive Committee of Tyler Corporation, a
provider of information management systems and services for county governments
and other enterprises. Mr. Rundell was the President and Chief Executive Officer
of Tyler from October 1997 to December 1998, Chairman of the Board of Tyler from
October 1996 until October 1997, and its temporary Chief Executive Officer from
October 1996 to March 1997. Mr. Rundell is also a director of Dain Rauscher
Corporation, a holding company for a full-service regional brokerage and
investment banking company, and Tandy Brands Accessories, Inc., a manufacturer
of accessories for men, women and boys. In March 1999, he became Chairman of the
Board of Integrated Security Systems, Inc., a developer and manufacturer of
systems and software for traffic control, perimeter and other security
applications.

    Johnie Schulte, a founder of NCI, has been a director and Chief Executive
Officer of NCI since 1984 and has served as the President and Chief Executive
Officer of the Engineered Buildings Division since May 1998. From 1984 until
December 1998, he served as President of NCI. Mr. Schulte founded and was
President of Mid-West Steel Buildings Co., Inc. from 1970 until its sale to
American Buildings Company ("ABC"), a metal building manufacturer, in 1980. Mr.
Schulte remained as President of the Mid-West Metallic Division of ABC until
1984, when he left to form NCI. Mr. Schulte has over 44 years of experience in
the metal building industry.

    A.R. Ginn has served as President of NCI since December 1998, as a director
and Chief Operating Officer of NCI since May 1998 and as President and Chief
Executive Officer of the Metal Components Division and Chief Executive Officer
of the Metal Coaters Division since May 1998. From May 1998 until December 1998,
he served as Executive Vice President of NCI. Previously, he served as a
director and the President of MBCI, from 1976 until our acquisition of MBCI in
May 1998 and was Chief Executive Officer of the Metal Coaters Division of MBCI
from 1987 to May 1998. Mr. Ginn has over 40 years of experience in the metal
building and components industry. Mr. Ginn worked for four years with A&S Steel
Buildings and spent 14 years with Metallic Building Company, where he was Vice
President of Operations for seven years. Mr. Ginn is the father of Kelly R.
Ginn, one of the other key managers of NCI.

    Robert J. Medlock has served as a director of NCI since March 1999, as
Executive Vice President of NCI since December 1998, as Chief Financial Officer
and Treasurer of NCI since February 1992 and as Vice President, Chief Financial
Officer and Treasurer of the Engineered Buildings Division since May 1998. From
February 1992 until December 1998, he served as a Vice President of NCI. He was
a Vice President and the Chief Financial Officer of ABC from 1973 to 1978. Mr.
Medlock is a certified public accountant.

    Kenneth W. Maddox has served as Executive Vice President, Administration of
NCI since December 1998 and as a director of NCI and as Vice President and Chief
Financial Officer of the

                                       53
<PAGE>
Metal Components Division and the Metal Coaters Division since May 1998. From
May 1998 until December 1998, he served as a Vice President of NCI. Previously,
he served as the Chief Financial Officer and Treasurer of MBCI from 1980 until
May 1998.

    Donnie R. Humphries has been Secretary of NCI since 1985 and Vice President,
Human Relations of the Engineered Buildings Division since May 1998. Mr.
Humphries previously served as Vice President, Human Relations of NCI from 1997
until May 1998. Mr. Humphries was employed by Mid-West from 1976 to 1980 and by
ABC from 1980 to 1985. Mr. Humphries has over 21 years of experience in the
metal building industry.

    Thomas C. Arnett has served as a director of NCI since April 1989. Mr.
Arnett is currently retired and manages his own investments. Most recently
before his retirement, Mr. Arnett served from 1977 to 1985 as Executive Vice
President of Cronus Industries, Inc. (subsequently known as BRC Holdings, Inc.
and recently acquired by Affiliated Computer Systems, Inc.), which at that time
was the parent corporation of ABC and, through other subsidiaries, a
manufacturer of feedwater heaters and condensers for the power industry and a
provider of information management systems and services to county and other
governments.

    William D. Breedlove has served as a director of NCI since March 1992. Mr.
Breedlove has been Vice Chairman of Hoak Breedlove Wesneski & Co., an investment
banking firm, since August 1996. Previously, he served as Chairman and Managing
Director of Breedlove Wesneski & Co., a private merchant banking firm, for over
five years.

    Gary L. Forbes has served as a director of NCI since December 1991. Mr.
Forbes has been a Vice President of Equus II Incorporated, an investment
company, since November 1991. Mr. Forbes is also a director of Consolidated
Graphics, Inc., a commercial printing company, Advanced Technical Products,
Inc., a manufacturer of aerospace parts, and Drypers Corporation, a manufacturer
of disposable diapers. Mr. Forbes is a certified public accountant.

    Robert N. McDonald has served as a director of NCI since March 1992. Mr.
McDonald is currently retired. Most recently before his retirement, Mr. McDonald
served as a marketing consultant for ABC from 1985 until February 1992 and as a
director of that company from 1989 to 1990. From 1956 to 1970, Mr. McDonald was
employed by Butler Manufacturing Company, a metal building manufacturer, and
served as Vice President of Marketing for ABC from 1970 to 1978.

    Daniel D. Zabcik has been a director of NCI since April 1989 and served as
an Executive Vice President of NCI from April 1989 until October 1993, when he
resigned as an officer and assumed part-time employee status until his
retirement in early 1997. Since 1986, Mr. Zabcik has also served as a director
of Southwest Bolt, Inc., a distributor of structural bolts. From 1980 until
April 1989, Mr. Zabcik was employed as President, Executive Vice President and
Vice Chairman of the Mid-West Metallic division of ABC. Mr. Zabcik has over 40
years of experience in the metal building industry. Mr. Zabcik is a licensed
engineer and served on the Executive Committee of the Metal Building
Manufacturers Association in 1993.

    The board of directors is comprised of four Class I Directors, three Class
II Directors and three Class III Directors. The terms of the Class I directors
will expire at the annual meeting of shareholders held in 2000, the terms of the
Class II directors will expire at the annual meeting of shareholders held in
2001 and the terms of the Class III directors will expire at the annual meeting
of shareholders held in 2002. At each of those annual meetings and thereafter,
directors will be elected for a three-year term to succeed the directors of the
same class whose terms are then to expire. Officers of NCI serve at the
discretion of the board of directors.

                                       54
<PAGE>
    OTHER KEY MANAGERS:

    Jerry D. Boen has served as Vice President, Marketing of the Metal
Components Division since May 1998. Previously, he served as Vice President of
Marketing of MBCI since 1980. Before joining MBCI, Mr. Boen was a sales manager
for another building components company.

    David B. Curtis has served as President of the Doors & Building Components
Division since it was acquired from Doors & Building Components, Inc. in
November 1995. Mr. Curtis was the founder of Doors & Building Components, Inc.
and served as its President and Chief Executive Officer for more than five
years.

    Charles W. Dickinson has served as Vice President, Sales of the Metal
Components Division since May 1998. Previously, he served as Vice President of
Sales of MBCI since 1991 and was employed by MBCI for more than 16 years. Mr.
Dickinson has over 23 years of experience in the metal building and components
industry.

    John T. Eubanks has served as President of the Mesco Metal Buildings
Division since its acquisition by NCI in April 1996 from Anderson Industries,
Inc. Mr. Eubanks also served as President of the Mesco Metal Buildings division
of Anderson from 1989 until April 1996, and as President of Anderson for more
than five years.

    Leonard F. George has served as Executive Vice President of the Engineered
Buildings Division since May 1998. Previously, Mr. George served as a director
of NCI from March 1993 until March 1999, as Executive Vice President of NCI from
September 1992 until May 1998 and as the President of the A&S Buildings Division
of NCI from October 1992 until December 1992. From 1987 to September 1992, Mr.
George was employed as President, Vice President of Engineering, Assistant Vice
President of Engineering and Regional Sales Manager of ABC. Mr. George has over
20 years of experience in the metal building industry.

    Kelly R. Ginn has served as Vice President, Manufacturing of the Metal
Components Division since May 1998. Previously, he served as Vice President of
Manufacturing of MBCI since 1990. Before joining MBCI in 1985, Mr. Ginn worked
as a Plant Superintendent for a large metal building manufacturer. Mr. Ginn has
19 years of experience in the metal building and components industry. Mr. Ginn
is the son of A.R. Ginn, President and Chief Operating Officer of NCI.

    Richard F. Klein has served as President and Chief Operating Officer of the
Metal Coaters Division since May 1998. Previously, he served as President of
Metal Coaters, Inc., a subsidiary of MBCI, since 1987. Before joining MBCI in
1987, Mr. Klein spent nine years as Vice President of a large coil coating
concern.

    Fredrick D. Koetting has been Vice President, Operations of the Engineered
Building Division since May 1998. He previously served as a Vice President of
NCI from May 1994 until May 1998. Before joining NCI in May 1994, Mr. Koetting
served as an Account Manager for National Steel Corporation, a steel supplier of
NCI, from 1991 until May 1994. Mr. Koetting served as a Manager of Customer
Service for Granite City Steel, a division of National Steel Corporation, from
1989 until 1991.

    Alvan E. Richey, Jr. has been Vice President, Sales and Marketing of the
Engineered Buildings Division since May 1998. He previously served as Vice
President, Sales and Marketing of NCI from July 1995 until May 1998. Mr. Richey
has also been President of the A&S Buildings Division since December 1992.
Before joining NCI in September 1992, Mr. Richey was employed by ABC for over 22
years. Mr. Richey has over 29 years of experience in the metal building
industry.

                                       55
<PAGE>
                             PRINCIPAL STOCKHOLDERS

    The following table sets forth, as of May 31, 1999 (the "Ownership Date"),
the number of shares of common stock beneficially owned by (1) each person or
group known by us to own beneficially more than 5% of the outstanding shares of
common stock, (2) each director, (3) the Named Executive Officers and (4) all
directors and executive officers as a group. Except as otherwise indicated, each
of the persons or groups named below has sole voting power and investment power
with respect to the common stock.

<TABLE>
<CAPTION>
                                                                                  BENEFICIAL OWNERSHIP(1)
                                                                                 -------------------------
<S>                                                                              <C>           <C>
                              NAME OF BENEFICIAL                                  NUMBER OF
                                OWNER OR GROUP                                      SHARES       PERCENT
- -------------------------------------------------------------------------------  ------------  -----------
Johnie Schulte(2)..............................................................      756,198         4.1%
A.R. Ginn......................................................................      478,116         2.6%
Daniel D. Zabcik(3)............................................................      313,010         1.7%
Kenneth W. Maddox..............................................................      243,266         1.3%
Gary L. Forbes(4)..............................................................      205,500         1.1%
C.A. Rundell, Jr.(5)...........................................................      194,200         1.1%
Leonard F. George(6)...........................................................      177,317        *
Alvan E. Richey, Jr.(7)........................................................       91,117        *
Robert J. Medlock(8)...........................................................       84,436        *
Thomas C. Arnett(9)............................................................       41,574        *
William D. Breedlove(10).......................................................       16,078        *
Robert N. McDonald(10).........................................................       19,078        *
All directors and executive officers as a group (11 persons)(11)...............    2,562,810        13.8%
</TABLE>

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

*   Less than one percent

(1) Includes shares beneficially owned by the listed persons, including shares
    owned under our 401(k) Profit Sharing Plan. If a person has the right to
    acquire beneficial ownership of any shares by exercise of options within 60
    days after the Ownership Date, those shares are deemed beneficially owned by
    that person as of the Ownership Date and are deemed to be outstanding solely
    for the purpose of determining the percentage of the common stock that he
    owns. Those shares are not included in the computations for any other
    person.

(2) Includes 2,210 shares held by a trust for the benefit of Mr. Schulte's
    grandson, of which Mr. Schulte is a trustee and may be deemed to share
    voting and investment power. Mr. Schulte disclaims beneficial ownership of
    those shares. Also includes options to purchase 35,000 shares held by Mr.
    Schulte which were exercisable as of the Ownership Date. Mr. Schulte also
    holds options to purchase an additional 55,000 shares that were not
    exercisable.

(3) Includes 90,000 shares held in a testamentary trust, of which Mr. Zabcik is
    sole trustee, for the benefit of his children, 38,294 shares held by a
    family general partnership of which Mr. Zabcik has management authority and
    options to purchase 41,500 shares held by Mr. Zabcik that were exercisable
    as of the Ownership Date. Mr. Zabcik also holds options to purchase an
    additional 4,500 shares that were not exercisable.

(4) Includes 200,000 shares held by Equus II Incorporated, of which Mr. Forbes
    is a Vice President and may be deemed to share voting and investment power.
    Mr. Forbes disclaims beneficial ownership of those shares. Also includes
    options to purchase 1,500 shares held by Mr. Forbes that were exercisable as
    of the Ownership Date. Mr. Forbes also holds options to purchase an
    additional 4,500 shares that were not exercisable.

                                       56
<PAGE>
(5) Includes 12,000 shares held by The Rundell Foundation, of which Mr. Rundell
    is a trustee and may be deemed to share voting and investment power. Mr.
    Rundell disclaims beneficial ownership of those shares. Also includes
    options to purchase 35,000 shares held by Mr. Rundell that were exercisable
    as of the Ownership Date. Mr. Rundell also holds options to purchase an
    additional 55,000 shares that were not exercisable.

(6) Includes options to purchase 172,028 shares held by Mr. George that were
    exercisable as of the Ownership Date. Mr. George also holds options to
    purchase an additional 39,500 shares that were not exercisable.

(7) Includes options to purchase 88,054 shares held by Mr. Richey that were
    exercisable as of the Ownership Date. Mr. Richey also holds options to
    purchase an additional 35,500 shares that were not exercisable.

(8) Includes options to purchase 79,948 shares held by Mr. Medlock that were
    exercisable as of the Ownership Date. Mr. Medlock also holds options to
    purchase an additional 35,500 shares that were not exercisable.

(9) Includes 40,074 shares held by La Plaza Partnership, of which Mr. Arnett is
    a general partner and may be deemed to share voting and investment power.
    Also includes options to purchase 1,500 shares held by Mr. Arnett that were
    exercisable as of the Ownership Date. Mr. Arnett also holds options to
    purchase an additional 4,500 shares that were not exercisable.

(10) Includes options to purchase 13,078 shares held by Mr. Breedlove and 19,078
    shares held by Mr. McDonald that were exercisable as of the Ownership Date.
    Each of Messrs. Breedlove and McDonald also holds options to purchase an
    additional 4,500 shares that were not exercisable.

(11) In addition to the shares identified in notes (2) through (5) and (8)
    through (10), includes options to purchase 7,500 shares held by Donnie
    Humphries that were exercisable as of the Ownership Date. Mr. Humphries also
    holds options to purchase an additional 2,500 shares that were not
    exercisable.

                                       57
<PAGE>
                     DESCRIPTION OF SENIOR CREDIT FACILITY

    On March 25, 1998, we entered into our senior credit facility with
NationsBank, N.A. as administrative agent, NationsBanc Montgomery Securities
LLC, as arranger and syndication agent, and UBS AG, as documentation agent and
the lenders named in the senior credit facility. It provided for the
establishment of a $600.0 million credit facility. Our senior credit facility
originally consisted of the (1) $200.0 million five-year revolver, of which up
to $20.0 million may be used in the form of commercial and standby letters of
credit, (2) $200.0 million term loan and (3) $200.0 million extendable facility.
The initial funding of $140.0 million under the five-year revolver, $200.0
million under the term loan and $200.0 million under the extendable facility
occurred on May 4, 1998, the date on which the MBCI acquisition was completed.
During fiscal 1998, we reduced our senior credit facility to $540.0 million to
better reflect future needs. At January 31, 1999, we had outstanding $150.0
million under the five-year revolver, $185.0 million under the term loan and
$140.0 million under the extendable facility. We used the net proceeds from the
initial offering of the Series A notes to repay borrowings under the extendable
facility as described under "Use of Proceeds." The following is a summary
description of the principal terms of our senior credit facility and the
five-year revolver, term loan and extendable facility. This description does not
purport to be complete and is qualified by reference to the credit agreement
with respect to our senior credit facility and the other agreements that contain
the principal terms and conditions of our senior credit facility, which are
available upon request from us.

    AVAILABILITY.  Loans and letters of credit under the five-year revolver will
be available, and amounts repaid under the five-year revolver may be reborrowed,
at any time until July 1, 2003 if we fulfill specified conditions, including the
absence of a default under our senior credit facility. At January 31, 1999, we
could have borrowed an additional $48.3 million under the five-year revolver.
The term loan was fully drawn down as of the date of the MBCI acquisition.
Amounts repaid under the term loan may not be reborrowed. After the application
of the net proceeds of the initial offering of the Series A notes, we decreased
the extendable facility to a $40.0 million facility. At January 31, 1999, on an
as adjusted basis to reflect the application of the net proceeds from the
initial offering, we could have borrowed an additional $20.8 million under the
extendable facility.

    GUARANTEES AND SECURITY.  Our obligations under our senior credit facility
are secured by the pledge of all capital stock, partnership interests and other
equity interests of our domestic subsidiaries. Our obligations under the senior
credit facility also are guaranteed by each of those subsidiaries and our
operating limited partnerships.

    INTEREST.  Our senior credit facility provides for loans bearing interest
rates, at our option as follows: (1) base rate loans, base rate plus a margin
that ranges from 0% to 0.5%; and (2) LIBOR loans, adjusted LIBOR plus a margin
that ranges from 0.75% to 2%. The default interest rate is the applicable rate
plus 2% per year. The base rate is the higher of NationsBank, N.A.'s prime rate
and the overnight Federal funds rate plus 0.5%, and adjusted LIBOR is the
applicable London interbank offered rate adjusted for reserves, if any. In each
case the margin is based on our most recently determined ratio of funded debt to
EBITDA as calculated under our senior credit facility. Our senior credit
facility currently bears interest at LIBOR plus 1.75%. We currently have an
interest rate swap agreement in place, which limits our variable interest rate
exposure on the term loan. The agreement applies to the full principal amount of
the term loan and caps interest on LIBOR loans at 5.9% plus the applicable LIBOR
margin. In the first quarter of fiscal 1999, our effective interest rate on
variable rate loans was 7.6%.

                                       58
<PAGE>
    MATURITY, AMORTIZATION AND PREPAYMENTS OF PRINCIPAL.  Loans under the
five-year revolver mature and are due and payable in full on July 1, 2003. Loans
under the term loan are payable in successive quarterly installments beginning
on October 31, 1998 in quarterly payment amounts shown in the following table:

<TABLE>
<CAPTION>
QUARTERLY PAYMENT DATES                             QUARTERLY PAYMENT
- --------------------------------------------------  -----------------
<S>                                                 <C>
                                                      (IN MILLIONS)
10/31/98 - 7/31/99................................      $    7.50
10/31/99 - 7/31/00................................           8.75
10/31/00 - 7/31/01................................          10.00
10/31/01 - 7/31/02................................          11.25
10/31/02 - 7/1/03.................................          12.50
</TABLE>

    The extendable facility had an original maturity date of May 3, 1999, which
was extended to May 1, 2000 with respect to all of these borrowings. If the
extended portion of the extendable facility is not repaid by us on or before May
1, 2000 or further extended by the lenders, we have the option to convert it to
a three-year term note. The three-year term note would be due and payable in
full at the end of the term of the note, but in no event later than July 1,
2003.

    Borrowings may be prepaid, and voluntary reductions of the unutilized
portion of the five-year revolver made, at any time, in agreed upon minimum
amounts, without premium or penalty but we may incur LIBOR breakage costs.
Voluntary prepayments of the term loan will be applied to the remaining
installments of principal due in the inverse order of maturity. We are required
to make mandatory prepayments on our senior credit facility (together with
accrued interest and LIBOR breakage costs) equal to (a) 100% of the net proceeds
received by us or any subsidiary from the sale of assets, (b) 100% of the net
proceeds from the issuance of funded debt obligations and (c) 100% or 50%
(depending on the ratio of our funded debt to EBITDA) of the net cash proceeds
from the issuance and sale of equity securities. Mandatory prepayment will be
applied first to the remaining installments of principal due under the term loan
in inverse order of maturity and then to permanently reduce the five-year
revolver.

    The table below shows, as of January 31, 1999 before application of the
proceeds of the initial offering, the required principal reductions that we must
make on our total debt:

<TABLE>
<CAPTION>
                                                         REQUIRED ANNUAL
YEAR ENDED OCTOBER 31                                     PAYMENTS (1)
- --------------------------------------------------  -------------------------
<S>                                                 <C>
                                                          (IN MILLIONS)
1999..............................................          $    23.8
2000..............................................               36.3
2001..............................................               42.8
2002..............................................               46.3
2003..............................................              327.5
                                                               ------
                                                            $   476.7
                                                               ------
                                                               ------
</TABLE>

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

(1) Assumes that the extendable facility is further extended and/or converted to
    be due and payable in 2003.

    COVENANTS.  Our senior credit facility contains covenants restricting the
ability of us and our subsidiaries to, among other things, (1) incur additional
indebtedness for borrowed money, (2) incur liens, (3) engage in material
transactions with affiliates outside of the ordinary course of business, (4)
make loans, advances and investments, (5) declare dividends or redeem or
repurchase capital stock, (6) sell or otherwise dispose of assets, (7) engage in
mergers, acquisitions and dissolutions and (8) alter

                                       59
<PAGE>
the lines of business we presently conduct, in each case with permitted
exceptions as described in our senior credit facility. As shown below, our
senior credit facility also contains covenants requiring us to satisfy set
financial tests governing our consolidated net worth and our leverage, fixed
charge coverage and senior debt ratios. The required ratios for the periods
indicated are as follows:

<TABLE>
<CAPTION>
                                                              1999       2000       2001       2002       2003
                                                            ---------  ---------  ---------  ---------  ---------
<S>                                                         <C>        <C>        <C>        <C>        <C>
Maximum leverage ratio....................................       4.25       4.00       3.50       3.50       3.50
Minimum fixed charge coverage ratio.......................       1.30       1.35       1.35       1.35       1.35
Maximum senior debt ratio.................................       3.25       3.00       2.75       2.50       2.50
</TABLE>

    EVENTS OF DEFAULT.  Events of default under our senior credit facility
include, with respect to us and, in some instances, our subsidiaries, failures
to make required payments, violations of covenants, material misrepresentations,
voluntary and involuntary bankruptcy and insolvency events, material final
judgments, attachments and divestiture orders, failure to maintain required
ownership in a subsidiary guarantor, the acceleration of maturity of specified
material debt, defaults with respect to letters of credit, invalidity or
unenforceability of any of our senior credit facility documents and a change in
control of NCI.

                                       60
<PAGE>
                               THE EXCHANGE OFFER

PURPOSE AND EFFECT

    On May 5, 1999, we sold the Series A notes to the initial purchasers. In
connection with the sale of the Series A notes, we entered into a registration
rights agreement with the initial purchasers. The registration rights agreement
requires that we use our best efforts to register the Series B notes with the
SEC and offer to exchange the new Series B notes for the Series A notes. A copy
of the registration rights agreement has been filed with the SEC as an exhibit
to our registration statement and we strongly encourage you to read the entire
text of the registration rights agreement. We expressly qualify all of our
discussions of the registration rights agreement by the terms of the agreement
itself. Except as discussed below, upon the completion of the exchange offer we
will have no further obligations to register your notes.

    We need certain representations from you before you can participate in the
exchange offer. In order to participate in the exchange offer, we require that
you represent to us that:

    - you are acquiring the Series B notes in the ordinary course of your
      business;

    - neither you nor any other person is engaging in, or intends to engage in,
      a distribution of the Series B notes;

    - neither you nor any other person has an arrangement or understanding with
      any person to participate in the distribution of the Series B notes;

    - neither you nor any other person is our "affiliate," which is defined
      under Rule 405 of the Securities Act as a person that directly, or
      indirectly through one or more intermediaries, controls or is controlled
      by, or is under common control with, us; and

    - if you or any other person is a broker-dealer, you will receive Series B
      notes for your own account, your Series B notes will be acquired as a
      result of market making activities or other trading activities and you
      will be required to acknowledge that you will deliver a prospectus in
      connection with any resale of your Series B notes.

    You may be entitled to "shelf" registration rights. In accordance with the
registration rights agreement, we are required to file a shelf registration
statement covering your Series A notes for a continuous offering in accordance
with Rule 415 of the Securities Act. This means that we must file a second
registration statement to register your Series A notes if:

    - we are not permitted to complete the exchange offer because of any change
      in law or applicable interpretations of the staff of the SEC; or

    - we are notified by any holder of Series A notes that it is prohibited from
      participating in the exchange offer because of SEC policy, it may not
      resell the Series B notes because it cannot comply with the prospectus
      delivery requirements or it is a broker-dealer who holds Series A notes
      purchased directly from us or one of our affiliates.

    If we are obligated to file a shelf registration statement, we will be
required to keep the shelf registration statement effective until May 5, 2001.
Other than as described above, you will not have the right to participate in the
shelf registration or require that we register your notes in accordance with the
Securities Act.

    If you participate in the exchange offer and make the representations
provided above, we believe you will be able to freely sell or transfer your
Series B notes. We base our belief upon existing interpretations by the SEC's
staff contained in several "no-action" letters to third-parties unrelated to us.
If you tender your Series A notes in the exchange offer for the purpose of
participating in a distribution of Series B notes, you cannot rely on this
interpretation by the SEC's staff and you must

                                       61
<PAGE>
comply with the registration and prospectus delivery requirements of the
Securities Act in connection with a secondary resale transaction. Each
broker-dealer who receives Series B notes for its own account in exchange for
its Series A notes, whether the Series B notes were acquired by that
broker-dealer as a result of market-making activities or other trading
activities, must acknowledge that the broker-dealer will deliver a prospectus in
connection with any resale of the Series B notes.

    You may suffer adverse consequences if you fail to exchange your Series A
notes. See "Risk Factors."

    Following the completion of the exchange offer, except as provided above and
in the registration rights agreement, you will not have any further registration
rights and your Series A notes will continue to be subject to restrictions on
transfer. Accordingly, if you do not participate in the exchange offer, your
ability to sell your Series A notes could be adversely affected.

TERMS OF THE EXCHANGE OFFER

    We will accept any validly tendered notes that are not withdrawn, prior to
5:00 p.m., New York City time, on the expiration date of the exchange offer. We
will issue $1,000 principal amount of Series B notes in exchange for each $1,000
principal amount of your Series A notes. You may tender some or all of your
notes in the exchange offer.

    The form and terms of the Series B notes will be the same as the form and
terms of your notes except that:

    - interest on the Series B notes will accrue from the last interest payment
      date on which interest was paid on your Series A notes, or, if no interest
      was paid, from the date of the original issuance of your Series A notes;
      and

    - the Series B notes have been registered under the Securities Act and will
      not bear a legend restricting their transfer.

    This prospectus, together with the letter of transmittal you received with
this prospectus, is being sent to you and to others believed to have beneficial
interests in the Series A notes. You do not have any appraisal or dissenters'
rights under the General Corporation Law of the State of Delaware or under the
indenture governing your notes. We intend to conduct the exchange offer in
accordance with the requirements of the Securities Exchange Act of 1934 and the
rules and regulations of the SEC.

    We will have accepted your validly tendered Series A notes when 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 Series B
notes from us. If the exchange agent does not accept any tendered Series A notes
for exchange because of an invalid tender or for any other valid reason, the
exchange agent will return the certificates, without expense, to the tendering
holder as promptly as practicable after the expiration date of the exchange
offer.

    You will not be required to pay brokerage commissions, fees or transfer
taxes in the exchange of your Series A notes. We will pay all charges and
expenses other than any taxes you may incur in connection with the exchange
offer.

EXPIRATION DATE; EXTENSIONS; AMENDMENTS

    The exchange offer will expire at 5:00 p.m., New York City time, on July 12,
1999, unless we extend it and thereby delay acceptance for exchange of any
Series A notes. In order to extend the exchange offer, we will issue a notice by
press release or by other public announcement before 9:00 a.m, New York City
time, on the next business day after the previously scheduled expiration date.

                                       62
<PAGE>
    We reserve the right, in our sole discretion:

    - to delay accepting your notes;

    - to extend the exchange offer;

    - to terminate the exchange offer if any of the conditions were not
      satisfied by giving oral or written notice of delay, extension or
      termination to the exchange agent; or

    - to amend the terms of the exchange offer in any manner.

PROCEDURES FOR TENDERING YOUR NOTES

    Only you may tender your notes in the exchange offer. Except as stated on
page 65 under the heading "--Book-Entry Transfer," to tender in the exchange
offer, you must:

    - complete, sign and date the enclosed letter of transmittal, or a copy of
      it;

    - have the signature on the letter of transmittal guaranteed if required by
      the letter of transmittal; and

    - mail, fax or otherwise deliver the letter of transmittal or copy to the
      exchange agent before the expiration date.

    In addition, either:

    - the exchange agent must receive certificates for your Series A notes and
      the letter of transmittal before the expiration date; or

    - the exchange agent must receive a timely confirmation of a book-entry
      transfer of your Series A notes, if that procedure is available, into the
      account of the exchange agent at the Depository Trust Company under the
      procedure for book-entry transfer described below before the expiration
      date of the exchange offer; or

    - you must comply with the guaranteed delivery procedures described below.

    For your Series A notes to be tendered effectively, the exchange agent must
receive a letter of transmittal and other required documents before the
expiration date of the exchange offer.

    If you do not withdraw your tender before the expiration date, it will
constitute an agreement between you and us in accordance with the terms and
conditions in this prospectus and in the letter of transmittal.

    The method of delivery to the exchange agent of your Series A notes, your
letter of transmittal, and all other required documents is at your election and
risk. Instead of delivery by mail, we recommend that you use an overnight or
hand delivery service. In all cases, you should allow sufficient time to assure
delivery to the exchange agent before the expiration date of the exchange offer.
Do not send either a letter of transmittal or your Series A notes directly to
us. You may request your broker, dealer, commercial bank, trust company or
nominee to make the exchange on your behalf.

PROCEDURE IF THE SERIES A NOTES ARE NOT REGISTERED IN YOUR NAME

    Any beneficial owner whose Series A notes are registered in the name of a
broker, dealer, commercial bank, trust company or other nominee and who wishes
to tender the Series A notes in the exchange offer should contact the registered
holder promptly and instruct the registered holder to tender the Series A notes
on the beneficial owner's behalf. If the beneficial owner wishes to tender on
the owner's own behalf, the owner must, before completing and executing a letter
of transmittal and delivering the owner's Series A notes, either make
appropriate arrangements to register ownership of the Series A notes in the
beneficial owner's name or obtain a properly completed bond power or other

                                       63
<PAGE>
proper endorsement from the registered holder. We strongly urge you to act
immediately since the transfer of registered ownership may take considerable
time.

SIGNATURE REQUIREMENTS AND SIGNATURE GUARANTEES

    Unless you are a registered holder who requests that the Series B notes be
mailed to you and issued in your name, or unless you are a member of, or
participate in, the Securities Transfer Agents Medallion Program, the New York
Stock Exchange Medallion Signature Program, the Stock Exchange Medallion Program
or an "Eligible Guarantor Institution" within the meaning of Rule 17Ad-15 under
the Securities Exchange Act, each an "Eligible Institution," you must guarantee
your signature on a letter of transmittal or a notice of withdrawal by an
eligible guarantor institution.

    If a trustee, executor, administrator, guardian, attorney-in-fact, officer
of a corporation or other person acting in a fiduciary or representative
capacity signs the letter of transmittal or any notes or bond powers on your
behalf, that person must indicate their capacity when signing and submit
satisfactory evidence to us with the letter of transmittal demonstrating their
authority to act on your behalf.

CONDITIONS TO THE EXCHANGE OFFER

    We will decide all questions as to the validity, form, eligibility,
acceptance and withdrawal of tendered Series A notes and our determination will
be final and binding on you. We reserve the absolute right to reject any and all
Series A notes properly tendered or accept any Series A notes that would be
unlawful in the opinion of our counsel. We also reserve the right to waive any
defects, irregularities or conditions of tender as to particular Series A notes.
Our interpretation of the terms and conditions of the exchange offer, including
the instructions in a letter of transmittal, will be final and binding on all
parties. You must cure any defects or irregularities in connection with tenders
of Series A notes as we shall determine. Although we intend to notify holders of
defects or irregularities with respect to tenders of Series A notes, we, the
exchange agent or any other person will not incur any liability for failure to
give this notification. Tenders of Series A notes will not be deemed to have
been made until any defects or irregularities have been cured or waived. Any
Series A notes received by the exchange agent that are not properly tendered and
as to which 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 of the exchange offer.

    We reserve the right to purchase or to make offers for any Series A notes
that remain outstanding after the expiration date of the exchange offer or to
terminate the exchange offer and, to the extent permitted by law, purchase
Series A notes in the open market, in privately negotiated transactions or
otherwise. The terms of any of these purchases or offers could differ from the
terms of the exchange offer.

    These conditions are for our sole benefit and we may assert or waive them at
any time or for any reason. Our failure to exercise any of our rights will not
be a waiver of our rights.

    We will not accept for exchange any Series A notes tendered, and no Series B
notes will be issued in exchange for any Series A notes, if at the time any stop
order is threatened or in effect with respect to the registration statement or
the qualification of the indenture relating to the Series B notes under the
Trust Indenture Act of 1939. We are required to use every reasonable effort to
obtain the withdrawal of any stop order at the earliest possible time.

    In all cases, issuance of Series B notes will be made only after timely
receipt by the exchange agent of certificates for Series A notes or a timely
book-entry confirmation of the Series A notes into the exchange agent's account
at DTC's book-entry transfer facility, a properly completed and duly

                                       64
<PAGE>
executed letter of transmittal or, with respect to DTC and its participants,
electronic instructions of the holder agreeing to be bound by the letter of
transmittal, and all other required documents. If we do not accept any tendered
Series A notes for a valid reason or if you submit Series A notes for a greater
principal amount than you desire to exchange, we will return the unaccepted or
non-exchanged Series A notes to you at our expense. In the case of Series A
notes tendered by book-entry transfer into the exchange agent's account at DTC's
book-entry transfer facility under the book-entry transfer procedures described
below, the non-exchanged Series A notes will be credited to an account
maintained with the book-entry transfer facility. This will occur as promptly as
practicable after the expiration or termination of the exchange offer for the
Series A notes.

    Notwithstanding any other provision of the exchange offer, we will not be
required to accept for exchange, or to issue Series B notes in exchange for, any
Series A notes and may terminate or amend the exchange offer if at any time
before the acceptance of the Series A notes for exchange or the exchange of the
Series B notes for the Series A notes we determine that the exchange offer
violates applicable law, any applicable interpretation of the staff of the SEC
or any order of any governmental agency or court of competent jurisdiction.

BOOK-ENTRY TRANSFER

    The exchange agent will make requests to establish accounts at DTC's
book-entry transfer facility for purposes of the exchange offer within two
business days after the date of this prospectus. Any financial institution that
is a participant in the book-entry transfer facility's systems may make
book-entry delivery of Series A notes being tendered by causing the book-entry
transfer facility to transfer the Series A notes into the exchange agent's
account at the book-entry transfer facility in accordance with the appropriate
procedures for transfer. However, although delivery of Series A notes may be
effected through book-entry transfer at the book-entry transfer facility, a
letter of transmittal or copy thereof, with any required signature guarantees
and any other required documents, must, except as provided in the following
paragraph, be transmitted to and received by the exchange agent on or before the
expiration date of the exchange offer or you must comply with the guaranteed
delivery procedures below.

    DTC's Automated Tender Offer Program ("ATOP") is the only method of
processing the exchange offer through DTC. To accept the exchange offer through
ATOP, participants in DTC must send electronic instructions to DTC through DTC's
communication system instead of sending a signed, hard copy of the letter of
transmittal. DTC is obligated to communicate those electronic instructions to
the exchange agent. To tender notes through ATOP, the electronic instructions
sent to DTC and transmitted by DTC to the exchange agent must contain the
participant's acknowledgment of its receipt of and agreement to be bound by the
letter of transmittal for those notes.

GUARANTEED DELIVERY PROCEDURES

    If a registered holder of Series A notes desires to tender any Series A
notes and the Series A notes are not immediately available, or time will not
permit the holder's Series A notes or other required documents to reach the
exchange agent before the expiration date of the exchange offer, or the
procedure for book-entry transfer cannot be completed on a timely basis, a
tender may be effected if:

    - the tender is made through an Eligible Institution;

    - before the expiration date of the exchange offer, the exchange agent
      received from the Eligible Institution a properly completed and duly
      executed letter of transmittal and Notice of Guaranteed Delivery, in the
      form provided by us. The Notice of Guaranteed Delivery must state the name
      and address of the holder of the Series A notes and the amount of Series A
      notes tendered, that the tender is being made and guaranteeing that within
      three New York Stock Exchange trading days after the date of execution of
      the Notice of Guaranteed Delivery, the certificates for all physically
      tendered Series A notes, in proper form for transfer, or a

                                       65
<PAGE>
      book-entry confirmation and any other documents required by the applicable
      letter of transmittal will be deposited by the Eligible Institution with
      the exchange agent; and

    - the certificates for all physically tendered Series A notes, in proper
      form for transfer, or a book-entry confirmation and all other documents
      required by the applicable letter of transmittal are received by the
      exchange agent within three New York Stock Exchange trading days after the
      date of execution of the Notice of Guaranteed Delivery.

WITHDRAWAL RIGHTS

    You may withdraw your tender of Series A notes at any time before 5:00 p.m.,
New York City time, on the expiration date of the exchange offer.

    For a withdrawal to be effective, a written or, for a DTC participant,
electronic ATOP transmission notice of withdrawal must be received by the
exchange agent at its address provided in this prospectus before 5:00 p.m., New
York City time, on the expiration date of the exchange offer.

    The notice of withdrawal must:

    - specify the name of the person who deposited the Series A notes to be
      withdrawn;

    - identify the Series A notes to be withdrawn, including the certificate
      number or numbers and principal amount of the Series A notes;

    - be signed by the holder in the same manner as the original signature on
      the letter of transmittal by which the Series A notes were tendered or be
      accompanied by documents of transfer sufficient to have the trustee of the
      Series A notes register the transfer of the Series A notes into the name
      of the person withdrawing the tender; and

    - specify the name in which any Series A notes are to be registered, if
      different from that of the holder who tendered the Series A notes.

    We will determine all questions as to the validity, form and eligibility of
any and our determination will be final and binding on all parties. Any Series A
notes withdrawn will not be considered to have been validly tendered. We will
return any Series A notes that have been tendered but not exchanged without cost
to the holder as soon as practicable after withdrawal, rejection of tender or
termination of the exchange offer. Properly withdrawn Series A notes may be
retendered by following one of the above procedures before the expiration date.

EXCHANGE AGENT

    You should direct all executed letters of transmittal to the exchange agent.
Harris Trust Company of New York is the exchange agent for the exchange offer.
Questions, requests for assistance and requests for additional copies of the
prospectus or a letter of transmittal should be directed to the exchange agent
addressed as follows:

<TABLE>
<S>                              <C>                              <C>
           BY MAIL:                BY FACSIMILE TRANSMISSION:               BY HAND OR
      Wall Street Station          (FOR ELIGIBLE INSTITUTIONS           OVERNIGHT COURIER:
         P.O. Box 1023                        ONLY)                       Receive Window
    New York, NY 10268-1023          (212) 701-7636 or 7637              Wall Street Plaza
                                                                    88 Pine Street, 19th Floor
                                                                        New York, NY 10005
                                  FOR INFORMATION BY TELEPHONE
                                         (CALL COLLECT):
                                         (212) 701-7624
</TABLE>

                                       66
<PAGE>
FEES AND EXPENSES

    We currently do not intend to make any payments to brokers, dealers or
others to solicit acceptances of the exchange offer. The principal solicitation
is being made by mail. However, additional solicitations may be made in person
or by telephone by our officers and employees.

    Our estimated cash expenses incurred in connection with the exchange offer
will be paid by us and are estimated to be approximately $150,000 in the
aggregate. This amount includes fees and expenses of the trustee for the Series
B and Series A notes, accounting, legal, printing, and related fees and
expenses.

TRANSFER TAXES

    If you tender Series A notes for exchange, you will not be obligated to pay
any transfer taxes. However, if you instruct us to register Series B notes in
the name of, or request that your Series A notes not tendered or not accepted in
the exchange offer be returned to, a person other than you, you will be
responsible for the payment of any transfer tax owed.

                                       67
<PAGE>
                        DESCRIPTION OF REGISTERED NOTES

    As used below in this "Description of Registered Notes" section, the
"Company" means NCI Building Systems, Inc. and its successors, but not any of
its subsidiaries. The Company will issue the Series B notes under our existing
Indenture, dated as of May 5, 1999, among the Company, the Subsidiary Guarantors
and Harris Trust Company of New York, as Trustee. The outstanding Series A notes
and the registered Series B notes are collectively referred to as the "Notes."
The following is a summary of the material terms and provisions of the Notes.
The terms of the Notes include those set forth in the Indenture and those made
part of the Indenture by reference to the Trust Indenture Act. The Notes are
subject to all such terms, and prospective purchasers of the Notes are referred
to the Indenture and the Trust Indenture Act for a statement of the terms. A
copy of the Indenture referred to below will be made available to prospective
purchasers of the Notes upon request. The following summary does not purport to
be a complete description of the Notes and is subject to the detailed provisions
of, and qualified in its entirety by reference to, the Indenture. Capitalized
terms that are used but not otherwise defined in this section have the meanings
assigned to them in the Indenture and those definitions are incorporated in this
section by reference.

    The Notes are senior subordinated unsecured obligations of the Company,
subordinated in right of payment to all existing and future Senior Indebtedness
of the Company (including the Company's obligations under the Credit Agreement)
as described below under "--Subordination." The Notes will be fully and
unconditionally guaranteed (each a "Subsidiary Guarantee"), jointly and
severally, by each Subsidiary Guarantor on a senior subordinated basis, with
each such Guarantee subordinated to the Subsidiary Guarantor's guarantee of the
obligations of the Company under the Credit Agreement and to all other Senior
Indebtedness of such Subsidiary Guarantor (including guarantees of other Senior
Indebtedness of the Company that constitute Senior Indebtedness). The Notes will
be issued in registered form, without coupons, and in denominations of $1,000
and integral multiples thereof.

    An aggregate principal amount of Series A notes equal to $125.0 million were
issued on the Issue Date. The Company may issue additional Notes having
identical terms and conditions to the Notes offered hereby (the "Additional
Notes"), subject to compliance with the "Limitations on Additional Indebtedness"
covenant described below. Any Additional Notes will be part of the same issue as
the Notes offered hereby and will vote on all matters as one class with the
Notes offered hereby. For purposes of this "Description of Registered Notes,"
except the covenant described under "Limitations on Additional Indebtedness,"
references to the Notes include Additional Notes.

PRINCIPAL, MATURITY AND INTEREST

    The Notes will mature on May 1, 2009 and bear interest at the rate shown on
the cover page of this prospectus, payable on May 1 and November 1 of each year,
commencing on November 1, 1999, to holders of record at the close of business on
April 15 or October 15, as the case may be, immediately preceding the relevant
interest payment date. Interest on the Notes will be computed on the basis of a
360-day year of twelve 30-day months. The Notes will be payable as to principal,
premium, if any, and interest at the office or agency of the Company maintained
for such purpose within New York City or, at the option of the Company, by wire
transfer of immediately available funds or, in the case of certificated
securities only, by mailing a check to the registered address of the holder. See
"--Delivery and Form of Securities--Book Entry, Delivery and Form." Until
otherwise designated by the Company, the Company's office or agency in New York
City will be the office of the Trustee maintained for such purpose.

SUBORDINATION

    The payment by the Company of principal of, and premium, if any, and
interest (including Special Interest) on the Notes (the "Note Indebtedness"),
and by each Subsidiary Guarantor of such amounts under its Subsidiary Guarantee
(the "Subsidiary Guarantee Indebtedness"), will be subordinated to the

                                       68
<PAGE>
prior payment in full in cash of the principal of, and premium, if any, and
accrued and unpaid interest on, and all other amounts owing in respect of, all
existing and future Senior Indebtedness of the Company and the Subsidiary
Guarantor Senior Indebtedness of each of the Subsidiary Guarantors, as the case
may be. The Company will agree in the Indenture that it will not incur, directly
or indirectly, any Indebtedness that is subordinate or junior in ranking in
right of payment to its Senior Indebtedness unless such Indebtedness is PARI
PASSU with or is expressly subordinated in right of payment to the Notes. In
addition, each Subsidiary Guarantor will agree that it will not incur, directly
or indirectly, any Indebtedness that is subordinate or junior in ranking in
right of payment to its Subsidiary Guarantor Senior Indebtedness unless such
Indebtedness is PARI PASSU with or is expressly subordinated in right of payment
to the Subsidiary Guarantees. At January 31, 1999, on an as adjusted basis
assuming that the offering and the application of the net proceeds occurred on
such date, the Company and the Subsidiary Guarantors would have had
approximately $355.9 million of Indebtedness outstanding other than the Notes,
of which $354.4 million would have constituted Senior Indebtedness or Subsidiary
Guarantor Senior Indebtedness, and the Subsidiary Guarantors would have had no
Indebtedness outstanding other than the guarantees of the Company's Senior
Indebtedness and the Notes. Subject to certain limitations in the Credit
Agreement and the Indenture, the Company and its Subsidiaries (including the
Subsidiary Guarantors) may incur additional Indebtedness (including Senior
Indebtedness or Subsidiary Guarantor Senior Indebtedness, as the case may be) in
the future. See "Description of Credit Agreement" and "--Certain
Covenants--Limitations on Additional Indebtedness."

    The Indenture provides that, upon any distribution to creditors of the
Company or any Subsidiary Guarantor of assets of any kind or character of the
Company or such Subsidiary Guarantor in a total or partial liquidation or
dissolution of the Company or such Subsidiary Guarantor or in a bankruptcy,
reorganization, insolvency, receivership or similar proceeding relating to the
Company or such Subsidiary Guarantor, whether voluntary or involuntary
(including any assignment for the benefit of creditors and proceedings for
marshaling of assets and liabilities of the Company or such Subsidiary
Guarantor), the holders of all Senior Indebtedness of the Company or the
Subsidiary Guarantor Senior Indebtedness of such Subsidiary Guarantor then
outstanding will be entitled to payment in full in cash (including interest
accruing subsequent to the filing of a petition for bankruptcy or insolvency at
the rate specified in the document relating to the applicable Senior
Indebtedness or Subsidiary Guarantor Senior Indebtedness, as the case may be,
whether or not such interest is an allowed claim enforceable against the Company
or such Subsidiary Guarantor under applicable law) before the holders of Notes
are entitled to receive any payment (other than payments made from a trust
previously established pursuant to provisions described under "--Legal
Defeasance or Covenant Defeasance of Indenture") on or with respect to the Note
Indebtedness or the Subsidiary Guarantee Indebtedness, as the case may be, and
until the holders of all Senior Indebtedness or Subsidiary Guarantor Senior
Indebtedness, as the case may be, of the Company or such Subsidiary Guarantor
receive payment in full, any distribution to which the holders of Notes would be
entitled will be made to holders of Senior Indebtedness or Subsidiary Guarantor
Senior Indebtedness, as the case may be.

    Upon the occurrence of any default beyond the applicable grace period in the
payment of any principal of or interest on or other amounts due on any
Designated Senior Indebtedness (as defined below) of the Company or any
Subsidiary Guarantor (a "Payment Default"), no payment of any kind or character
shall be made by the Company or any Subsidiary Guarantor (or by any other Person
on its or their behalf) with respect to the Note Indebtedness unless and until
(i) such Payment Default shall have been cured or waived in accordance with the
instruments governing such Indebtedness or shall have ceased to exist, (ii) such
Designated Senior Indebtedness has been discharged or paid in full in cash in
accordance with the instruments governing such Indebtedness or (iii) the
benefits of this sentence have been waived by the holders of such Designated
Senior Indebtedness or their representative, including, if applicable, the
Agents, immediately after which the Company must resume

                                       69
<PAGE>
making any and all required payments, including missed payments, in respect of
its obligations under the Notes.

    Upon (1) the occurrence and continuance of an event of default (other than a
Payment Default) relating to Designated Senior Indebtedness, as such event of
default is defined therein or in the instrument or agreement under which it is
outstanding, which event of default, pursuant to the instruments governing such
Designated Senior Indebtedness, entitles the holders (or a specified portion of
the holders) of such Designated Senior Indebtedness or their representatives,
including, if applicable, the Agents, to immediately accelerate without further
notice (except such notice as may be required to effect such acceleration) the
maturity of such Designated Senior Indebtedness (a "Non-payment Default") and
(2) the receipt by the Trustee and the Company from the trustee or other
representative of holders of such Designated Senior Indebtedness of written
notice (a "Payment Blockage Notice") of such occurrence, no payment is permitted
to be made by the Company or any Subsidiary Guarantor (or by any other Person on
its or their behalf) in respect of the Note Indebtedness for a period (a
"Payment Blockage Period") commencing on the date of receipt by the Trustee of
such notice and ending on the earliest to occur of the following events (subject
to any blockage of payments that may then be in effect due to a Payment Default
on Designated Senior Indebtedness): (w) such Non-payment Default has been cured
or waived or has ceased to exist; (x) a period of 179 consecutive days,
commencing on the date such Payment Blockage Notice is received by the Trustee,
has elapsed; (y) such Payment Blockage Period has been terminated by written
notice to the Trustee from the trustee or other representative of holders of
such Designated Senior Indebtedness, whether or not such Non-payment Default has
been cured or waived or has ceased to exist; and (z) such Designated Senior
Indebtedness has been discharged or paid in full in cash, immediately after
which, in the case of clause (w), (x), (y) or (z), the Company must resume
making any and all required payments, including missed payments, in respect of
its obligations under the Notes. Notwithstanding the foregoing, (i) not more
than one Payment Blockage Period may be commenced in any period of 365
consecutive days and (ii) no default or event of default with respect to the
Designated Senior Indebtedness of the Company that was the subject of a Payment
Blockage Notice which existed or was continuing on the date of the giving of any
Payment Blockage Notice shall be or serve as the basis for the giving of a
subsequent Payment Blockage Notice whether or not within a period of 365
consecutive days unless such default or event of default shall have been cured
or waived for a period of at least 90 consecutive days after such date.

    Notwithstanding the foregoing, Noteholders may receive and retain Permitted
Junior Securities and payment from the money or the proceeds held in any
defeasance trust described under "--Satisfaction and Discharge of Indenture;
Defeasance" below, and no such receipt or retention will be contractually
subordinated in right of payment to any Senior Indebtedness or subject to the
restrictions described in this "Subordination" section.

    In the event that, notwithstanding the foregoing, any payment or
distribution of assets of the Company or any Subsidiary Guarantor, whether in
cash, property or securities, shall be received by the Trustee or the holders of
Notes at a time when such payment or distribution is prohibited by the foregoing
provisions, such payment or distribution shall be segregated from other funds or
assets and held in trust for the benefit of the holders of Senior Indebtedness
of the Company or such Subsidiary Guarantor, as the case may be, and shall be
paid or delivered by the Trustee or such holders, as the case may be, to the
holders of the Senior Indebtedness of the Company or such Subsidiary Guarantor,
as the case may be, remaining unpaid or unprovided for or their representative
or representatives, or to the trustee or trustees under any indenture pursuant
to which any instruments evidencing any of such Senior Indebtedness of the
Company or such Subsidiary Guarantor, as the case may be, may have been issued,
ratably according to the aggregate amounts remaining unpaid on account of the
Senior Indebtedness of the Company or such Subsidiary Guarantor, as the case may
be, held or represented by each, for application to the payment of all Senior
Indebtedness of the Company or such Subsidiary Guarantor, as the case may be,
remaining unpaid, to the extent necessary to pay or to provide for the

                                       70
<PAGE>
payment in full in cash of all such Senior Indebtedness after giving effect to
any concurrent payment or distribution to the holders of such Senior
Indebtedness.

    If the Company fails to make any payment on the Notes when due or within any
applicable grace period, whether or not such failure is on account of the
subordination provisions referred to above, such failure would constitute an
Event of Default under the Indenture and would enable the holders of Notes to
accelerate the maturity of the Notes. See "--Events of Default."

    By reason of the subordination provisions contained in the Indenture, in the
event of bankruptcy, liquidation, insolvency or other similar proceedings,
creditors of the Company who are holders of Senior Indebtedness may recover
more, ratably, than the holders of the Notes, and creditors of the Company
(other than holders of the Notes) who are not holders of Senior Indebtedness may
recover more, ratably, than the holders of the Notes.

SUBSIDIARY GUARANTEES

    The Company's payment obligations under the Notes are jointly and severally
guaranteed (the "Subsidiary Guarantees") by the Subsidiary Guarantors. Each
Subsidiary Guarantee is an unsecured senior subordinated obligation of the
Subsidiary Guarantor with respect thereto and ranks junior in right of payment
to all existing and future Senior Indebtedness of such Subsidiary Guarantor,
including such Subsidiary Guarantor's guarantee of the Company's obligations
under the Credit Agreement and any guarantee by such Subsidiary Guarantor of
other Indebtedness of the Company which guarantee constitutes Senior
Indebtedness. The obligations of each Subsidiary Guarantor under its Subsidiary
Guarantee are limited so as not to constitute a fraudulent conveyance under
applicable law.

    The Indenture provides that no Subsidiary Guarantor may consolidate with or
merge with or into (whether or not such Subsidiary Guarantor is the surviving
Person) another Person whether or not affiliated with such Subsidiary Guarantor
unless (i) the Person formed by or surviving any such consolidation or merger
(if other than such Subsidiary Guarantor) assumes all of the obligations of such
Subsidiary Guarantor pursuant to a supplemental indenture, in form and substance
satisfactory to the Trustee, under the Notes and the Indenture; (ii) immediately
after giving effect to such transaction, no Default exists; and (iii)
immediately after giving effect to such transaction, the Coverage Ratio
Incurrence Condition would be met. The foregoing does not apply to any
consolidation or merger that otherwise constitutes an Asset Sale.

    The Indenture provides that in the event of a sale or other disposition of
all of the assets of any Subsidiary Guarantor, by way of merger, consolidation
or otherwise, or a sale or other disposition of all of the Capital Stock of any
Subsidiary Guarantor then held by the Company and its Restricted Subsidiaries,
then such Subsidiary Guarantor will be released and relieved of any obligations
under its Subsidiary Guarantee; PROVIDED that the Net Cash Proceeds of such sale
or other disposition are applied in accordance with the applicable provisions of
the Indenture, to the extent required thereby. See "Certain
Covenants--Limitations on Asset Sales." In addition, the Indenture provides that
any Subsidiary Guarantor that is designated as an Unrestricted Subsidiary or
that otherwise ceases to be a Subsidiary, in each case in accordance with the
provisions of the Indenture, will be released from its Subsidiary Guarantee upon
effectiveness of such designation or when it first ceases to be a Subsidiary, as
the case may be.

OPTIONAL REDEMPTION OF THE NOTES

    The Notes may not be redeemed prior to May 1, 2004, but will be redeemable
at the option of the Company, in whole or in part, at any time on or after May
1, 2004, at the redemption prices (expressed as percentages of principal amount)
set forth below, together with accrued and unpaid interest thereon,

                                       71
<PAGE>
if any, to the redemption date, if redeemed during the 12-month period beginning
May 1 of the years indicated:

<TABLE>
<CAPTION>
YEAR                                                                 OPTIONAL REDEMPTION PRICE
- -------------------------------------------------------------------  -------------------------
<S>                                                                  <C>
2004                                                                            104.625%
2005                                                                            103.083%
2006                                                                            101.542%
2007 and thereafter                                                             100.000%
</TABLE>

    Notwithstanding the foregoing, at any time prior to May 1, 2002, the Company
may redeem up to 35% of the sum of (i) the initial aggregate principal amount of
the Notes and (ii) the initial aggregate principal amount of any Additional
Notes with the net cash proceeds of one or more Equity Offerings at a redemption
price equal to 109.250% of the principal amount thereof, plus accrued and unpaid
interest thereon (including Special Interest), if any, to the redemption date;
PROVIDED that (a) 65% of the sum of (i) the initial aggregate principal amount
of Notes issued on the Issue Date and (ii) the initial aggregate principal
amount of any Additional Notes remains outstanding immediately after the
occurrence of such redemption and (b) such redemption occurs within 90 days of
the date of the closing of any such Equity Offering.

    If less than all of the Notes are to be redeemed at any time, selection of
the Notes to be redeemed will be made by the Trustee from among the outstanding
Notes and any Additional Notes as one class on a PRO RATA basis, by lot or by
any other method permitted in the Indenture. Notice of redemption will be mailed
at least 30 days but not more than 60 days before the redemption date to each
holder whose Notes are to be redeemed at the registered address of such holder.
On and after the redemption date, interest will cease to accrue on the Notes or
portions thereof called for redemption.

CHANGE OF CONTROL

    Upon the occurrence of a Change of Control, each holder of the Notes will
have the right to require that the Company repurchase such holder's Notes for a
cash price (the "Change of Control Purchase Price") equal to 101% of the
principal amount of the Notes, plus accrued and unpaid interest (including
Special Interest) thereon, if any, to the date of repurchase, all in accordance
with the following paragraph.

    Within 30 days following any Change of Control, the Company will mail to the
Trustee (who shall mail to each Noteholder at the Company's expense) a notice
(i) describing the transaction or transactions that constitute the Change of
Control, (ii) offering to repurchase, pursuant to the procedures required by the
Indenture and described in such notice (a "Change of Control Offer"), on a date
specified in such notice (which shall be a business day not earlier than 30 days
or later than 60 days from the date such notice is mailed) and for the Change of
Control Purchase Price, all Notes properly tendered by such holder pursuant to
such offer to purchase for the Change of Control Purchase Price and (iii)
describing the procedures that holders must follow to accept the Change of
Control Offer. The Change of Control Offer is required to remain open for at
least 20 business days or for such longer period as is required by law.

    The occurrence of the events constituting a Change of Control under the
Indenture may result in an event of default in respect of other Indebtedness
(including the Senior Indebtedness) of the Company and its Subsidiaries and,
consequently, the lenders thereof may have the right to require repayment of
such Indebtedness in full. If a Change of Control Offer is made, there can be no
assurance that the Company will have available funds sufficient to pay for all
or any of the Notes that might be delivered by holders of Notes seeking to
accept the Change of Control Offer. There can be no assurance that in the event
of a Change of Control the Company will be able to obtain the consents

                                       72
<PAGE>
necessary to consummate a Change of Control Offer from the lenders under
agreements governing outstanding Indebtedness which may prohibit such an offer.
The Company's obligation to make a Change of Control Offer will be satisfied if
a third party makes the Change of Control Offer in the manner and at the times
and otherwise in compliance with the requirements applicable to a Change of
Control Offer made by the Company and purchases all Notes properly tendered and
not withdrawn under such Change of Control Offer. The definition of Change of
Control includes the sale of "all or substantially all" of the assets of (i) the
Company or (ii) the Company and its Subsidiaries taken as a whole, the
determination of which depends upon the circumstances of any such sale and is
subject to interpretation under applicable legal precedent.

    The Change of Control feature of the Notes, by requiring a Change of Control
Offer, may in certain circumstances make more difficult or discourage a sale or
takeover of the Company, and, thus, the removal of incumbent management. The
Change of Control feature, however, is not part of a plan by management to adopt
a series of antitakeover provisions. Instead, the Change of Control feature is a
result of negotiations between the Company and the Initial Purchasers. Subject
to the limitations discussed below, the Company could, in the future, enter into
certain transactions, including acquisitions, refinancings 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 the Company's capital structure or credit ratings.

    The Company will comply with applicable tender offer rules, including the
requirements of Rule 14e-l under the Exchange Act and any other applicable laws
and regulations in connection with the purchase of Notes pursuant to a Change of
Control Offer.

CERTAIN COVENANTS

    LIMITATIONS ON ADDITIONAL INDEBTEDNESS.  The Indenture provides that the
Company will not, and will not permit any of its Restricted Subsidiaries to,
directly or indirectly, incur any Indebtedness (including Acquired
Indebtedness); PROVIDED that (i) the Company and its Restricted Subsidiaries may
incur Permitted Indebtedness and (ii) the Company may incur additional
Indebtedness if, after giving effect thereto, the Company's Consolidated
Interest Coverage Ratio on the date thereof would be at least 2.0 to 1,
determined on a PRO FORMA basis as if the incurrence of such additional
Indebtedness, and the application of the net proceeds therefrom, had occurred at
the beginning of the four-quarter period used to calculate the Company's
Consolidated Interest Coverage Ratio.

    LIMITATION ON ISSUANCE OF SUBSIDIARY PREFERRED STOCK.  The Indenture
provides that the Company will not permit any of its Restricted Subsidiaries to
issue any Preferred Stock (other than to the Company or a Wholly-Owned
Restricted Subsidiary) or permit any Person (other than the Company or a
Wholly-Owned Restricted Subsidiary) to own or hold any interest in any Preferred
Stock of any such Subsidiary unless such Restricted Subsidiary would be
permitted to incur (i) Permitted Indebtedness under clause (x) of the definition
thereof in an aggregate principal amount equal to the aggregate liquidation
value of such Preferred Stock or (ii) other Indebtedness under clause (ii) of
the proviso in the "Limitations on Additional Indebtedness" covenant.

    LIMITATION ON THE ISSUANCE OR SALE OF CAPITAL STOCK OF RESTRICTED
SUBSIDIARIES.  The Indenture provides that the Company will not, and will not
permit any Restricted Subsidiary to, directly or indirectly, sell or issue any
shares of Capital Stock of any Restricted Subsidiary (including options,
warrants or other rights to purchase shares of such Capital Stock) except (i) to
the Company or a Wholly-Owned Restricted Subsidiary, (ii) subject to compliance
with the covenant described under "-- Limitations on Asset Sales," a Permitted
Sale or Issuance, or (iii) to the extent such shares represent directors'
qualifying shares or shares required by applicable law to be held by a Person
other than the Company or a Wholly-Owned Restricted Subsidiary. The proceeds of
any sale or issuance of Capital Stock permitted hereunder and referred to in
clauses (ii) or (iii) above will be treated as Net Available

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Proceeds and must be applied in a manner consistent with the provisions of the
covenant described under "--Limitations on Asset Sales," to the extent such
transaction constitutes an Asset Sale.

    LIMITATIONS ON LAYERING DEBT.  The Indenture provides that the Company will
not, and will not permit any Restricted Subsidiary to, incur any Indebtedness
that is subordinate or junior in right of payment to any Senior Indebtedness of
the Company or such Restricted Subsidiary unless such Indebtedness by its terms
is PARI PASSU with, or subordinated to, the Notes or any Subsidiary Guarantee of
such Restricted Subsidiary, as the case may be.

    LIMITATIONS ON RESTRICTED PAYMENTS.  The Indenture provides that the Company
will not and will not permit any of its Restricted Subsidiaries to, directly or
indirectly, make any Restricted Payment (except as permitted below) if at the
time of such Restricted Payment:

    (i) a Default shall have occurred and be continuing or shall occur as a
consequence thereof;

    (ii) the Company would be unable to meet the Coverage Ratio Incurrence
Condition; or

    (iii) the amount of such Restricted Payment, when added to the aggregate
amount of all other Restricted Payments made after the Issue Date, exceeds the
sum of

        (A) 50% of the Company's Consolidated Net Income (taken as one
    accounting period) from November 1, 1998 to the end of the Company's most
    recently ended fiscal quarter for which financial statements are publicly
    available at the time of such Restricted Payment (or, if such aggregate
    Consolidated Net Income shall be a deficit, minus 100% of such aggregate
    deficit), PLUS

        (B) the net cash proceeds from the issuance and sale (other than to a
    Subsidiary of the Company) after the Issue Date of (l) the Company's Capital
    Stock that is not Disqualified Capital Stock or (2) debt securities of the
    Company that have been converted into the Company's Capital Stock that is
    not Disqualified Capital Stock and that is not then held by a Subsidiary of
    the Company, PLUS

        (C) to the extent that any Restricted Investment that was made after the
    Issue Date (other than an Existing Joint Venture Investment) is sold for
    cash or otherwise liquidated or repaid for cash, the sum of (x) cash
    realized from such sale, liquidation or repayment of such Restricted
    Investment (less the cost of disposition, if any) up to (and not to exceed)
    the amount of such Restricted Investment at the time it was made (net of
    prior reductions), PLUS (y) 50% of the excess, if any, of the cash realized
    from such sale, liquidation or repayment (less the cost of disposition, if
    any) over the amount of such Restricted Investment at the time it was made
    (net of prior reductions), PLUS

        (D) when an Unrestricted Subsidiary is designated a Restricted
    Subsidiary of the Company in accordance with the definition of "Unrestricted
    Subsidiary" and becomes a Subsidiary Guarantor, the sum of (x) the Fair
    Market Value of all Investments in such Subsidiary Guarantor immediately
    following such designation, up to (and not to exceed) the aggregate amount
    of such Investments at the time they were made (to the extent such
    Investments reduced the amount available for subsequent Restricted Payments
    under this clause (iii) and were not previously repaid or otherwise
    reduced), PLUS (y) 50% of the excess, if any, of such Fair Market Value over
    the amount of such Investments at the time they were made (to the extent
    such Investments reduced the amount available for subsequent Restricted
    Payments under this clause (iii) and were not previously repaid or reduced),
    PLUS

        (E) $7.5 million,

        PROVIDED that any amounts that increase the amount available for
    Restricted Payments under any subpart of this clause (iii) shall not
    duplicatively increase amounts available for Restricted Payments under any
    other subpart of this clause (iii) or for Restricted Investments under the
    next paragraph.

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    The foregoing provisions will not prohibit:

    (1) the payment by the Company or any Restricted Subsidiary of any dividend
within 60 days after the date of declaration thereof, if at said date of
declaration such payment would have complied with the provisions of the
Indenture;

    (2) the redemption, repurchase, retirement or other acquisition of any
Capital Stock of the Company or any Restricted Subsidiary in exchange for, or
out of the proceeds of, the substantially concurrent sale (other than to a
Subsidiary of the Company) of other Capital Stock of the Company (other than any
Disqualified Capital Stock);

    (3) the defeasance, redemption, repurchase or other retirement of
Subordinated Indebtedness of the Company or any Restricted Subsidiary in
exchange for, or out of the proceeds of, the substantially concurrent issue and
sale of Capital Stock of the Company (other than (x) Disqualified Capital Stock,
(y) Capital Stock sold to a Subsidiary of the Company and (z) Capital Stock
purchased with the proceeds of loans from the Company or any of its
Subsidiaries);

    (4) the defeasance, redemption, repurchase or other retirement of
Subordinated Indebtedness in exchange for, or out of the proceeds of, the
substantially concurrent issue and sale of Refinancing Indebtedness permitted to
be incurred under the "Limitations on Additional Indebtedness" covenant and the
other terms of the Indenture;

    (5) the making of a Related Business Investment in joint ventures or
Subsidiaries that are not Subsidiary Guarantors in exchange for or out of the
proceeds of the substantially concurrent issue and sale of Capital Stock of the
Company (other than (x) Disqualified Capital Stock, (y) Capital Stock sold to a
Subsidiary of the Company and (z) Capital Stock purchased with the proceeds of
loans from the Company or any of its Subsidiaries);

    (6) the making of (a) Related Business Investments in joint ventures or
Subsidiaries that are not Subsidiary Guarantors in an aggregate amount not to
exceed the aggregate amount realized in cash by the Company or any of the
Subsidiary Guarantors after the Issue Date in respect of (or the Fair Market
Value of any Investment (other than an Investment in Indebtedness incurred in
connection with or in anticipation of such transaction) in a joint venture
engaged in any Related Business received by the Company or any Subsidiary
Guarantor in exchange for) a Qualifying Joint Venture Investment, less the cost
of disposition, if any, when such Investments are sold for cash or otherwise
liquidated or repaid for cash (or exchanged for such Investment), but in each
case only to the extent the Company elects not to take such amounts into account
for purpose of calculating amounts available for Restricted Payments under
clause (iii) of the immediately preceding paragraph, and (b) Existing Joint
Venture Investments;

    (7) the purchase, redemption, acquisition, cancellation or other retirement
for value of shares of Capital Stock of the Company held by officers, directors
or employees or former officers, directors or employees (or their transferees,
estates or beneficiaries under their estates), upon death, disability,
retirement, severance or termination of employment or service or pursuant to any
agreement under which such shares of Capital Stock or related rights were
issued; PROVIDED that the aggregate cash consideration paid for all such
purchases, redemptions, acquisitions, cancellations or other retirements of such
shares of Capital Stock (a) during any calendar year does not exceed $2.5
million (with unused amounts in any calendar year being usable in all subsequent
calendar years) and (b) during the period from the Issue Date through the
maturity date of the Notes does not exceed $7.5 million;

    (8) payments to holders of Common Equity of the Company (a) in lieu of the
issuance of fractional shares of Common Equity, (b) to redeem or repurchase
stock purchase or similar rights issued as a shareholder rights device and (c)
to repurchase shares of Common Equity of the Company from holders who hold less
than 100 shares in each instance;

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    (9) any Investments in a Receivables Subsidiary in connection with a
Qualifying Receivables Facility;

    (10) the prepayment, purchase, redemption, defeasance or other acquisition
or retirement of Subordinated Indebtedness (other than Subordinated Indebtedness
held by Affiliates of the Company) upon a Change of Control or Asset Sale to the
extent required by the agreement governing such Subordinated Indebtedness, but
only (x) if the Company shall have complied with the covenant described under
the caption "Change of Control" or "Certain Covenants--Limitations on Asset
Sales", as the case may be, and repurchased all Notes tendered pursuant to the
offer required by such covenants prior to prepaying or otherwise acquiring or
retiring such Subordinated Indebtedness, (y) in the case of an Asset Sale, to
the extent of the Excess Proceeds remaining after the offer to Holders of the
Notes and Pari Passu Indebtedness required by such covenant is consummated and
(z) within 60 days of the date such offer is consummated; or

    (11) Related Business Investments the aggregate amount of which (excluding
the amount of any Existing Joint Venture Investments), together with the amount
of all other Restricted Investments made pursuant to this clause (11) after the
Issue Date (including the initial amount of any such Restricted Investments
subsequently taken into account for purposes of clause (6)(a) above), does not
exceed $12.5 million at any time outstanding;

    PROVIDED that, in the case of any Restricted Payment pursuant to any of the
foregoing clauses (3) through (11), no Default shall have occurred and be
continuing or occur as a consequence of the actions or payments set forth
therein.

    Each Restricted Payment permitted pursuant to the preceding paragraph (other
than the Restricted Payments referred to in clauses (2), (3), (4) and (5)
thereof) shall be included once in calculating whether the conditions of clause
(iii) of the second preceding paragraph have been met with respect to any
subsequent Restricted Payments. If an issuance of Capital Stock of the Company
is applied to make a Restricted Payment pursuant to clause (2), (3) or (5)
above, then, in calculating whether the conditions of clause (iii) of the second
preceding paragraph have been met with respect to any subsequent Restricted
Payments, the proceeds of any such issuance shall be included under such clause
(iii) only to the extent such proceeds are not applied as so described in this
sentence. For purposes of determining compliance with this "Limitation on
Restricted Payments" covenant, in the event that a transaction meets the
criteria of more than one of the types of Restricted Payments described in the
clauses of the immediately preceding paragraph or any clause of the definition
of "Restricted Payment," the Company, in its sole discretion, shall classify
such transaction and only be required to include the amount and type of such
transaction in one of such clauses.

    Not later than the date of making any Restricted Payment, the Company shall
deliver to the Trustee an Officers' Certificate stating that such Restricted
Payment is permitted and setting forth the basis upon which the calculations
required by the covenant "Limitations on Restricted Payments" were computed,
which calculations shall be based upon the Company's latest available financial
statements.

    LIMITATIONS ON RESTRICTIONS ON DISTRIBUTIONS FROM RESTRICTED
SUBSIDIARIES.  The Indenture provides that the Company will not, and will not
permit any of its Restricted Subsidiaries to, create or otherwise cause or
suffer to exist or become effective any consensual Payment Restriction with
respect to any of its Restricted Subsidiaries, except for:

    (a) any such Payment Restriction in effect on the Issue Date under the
Credit Agreement or any similar Payment Restriction under any other Credit
Facility (whether or not in effect on the Issue Date) or any amendment,
restatement, renewal, replacement or refinancing of any of the foregoing;
PROVIDED that such similar Payment Restrictions are not, taken as a whole, more
restrictive than the Payment Restrictions in effect on the Issue Date under the
Credit Agreement;

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    (b) any such Payment Restriction under any agreement evidencing any Acquired
Indebtedness that was permitted to be incurred pursuant to the Indenture in
effect at the time of such incurrence and not created in contemplation of such
event; PROVIDED that such Payment Restriction only applies to assets that were
subject to such restriction and encumbrances prior to the acquisition of such
assets by the Company or its Subsidiaries;

    (c) any such Payment Restriction arising in connection with Refinancing
Indebtedness; PROVIDED that any such Payment Restrictions that arise under such
Refinancing Indebtedness are not, taken as a whole, more restrictive than those
under the agreement creating or evidencing the Indebtedness being refunded or
refinanced;

    (d) any Payment Restriction created pursuant to an asset purchase agreement,
stock sale agreement or similar instrument pursuant to which a bona-fide Asset
Sale is to be consummated, the proceeds of which are applied as provided in the
Indenture, so long as such restriction or encumbrance shall apply only to the
assets subject to such Asset Sale and shall be effective only for a period from
the execution and delivery of such agreement or instrument through the earlier
of the consummation of such Asset Sale or the termination of such agreement or
instrument;

    (e) customary nonassignment provisions of any lease governing any leasehold
interest of the Company or any Restricted Subsidiary;

    (f) any Payment Restriction existing under or by reason of applicable law;

    (g) any Payment Restriction imposed pursuant to an agreement that has been
entered into for the sale of all or substantially all of the Capital Stock of a
Restricted Subsidiary; and

    (h) purchase money obligations for property acquired in the ordinary course
of business that impose restrictions of the type referred to in clause (d) of
the definition of "Payment Restriction."

    LIMITATIONS ON TRANSACTIONS WITH AFFILIATES.  The Indenture provides that
the Company will not, and will not permit any of its Restricted Subsidiaries to,
directly or indirectly, in one transaction or a series of related transactions,
sell, lease, transfer or otherwise dispose of any of its properties or assets
to, or purchase any property or assets from or enter into any contract,
agreement, understanding, loan, advance or Guarantee with, or for the benefit
of, any Affiliate (each of the foregoing, an "Affiliate Transaction"), unless:

    (i) such Affiliate Transaction is on terms that are no less favorable to the
Company or the relevant Restricted Subsidiary than those that would have been
obtained in a comparable transaction by the Company or such Restricted
Subsidiary with an unrelated Person; and

    (ii) the Company delivers to the Trustee:

        (a) with respect to any Affiliate Transaction (or series of related
    transactions) involving aggregate payments in excess of $5.0 million, an
    Officers' Certificate certifying that such Affiliate Transaction complies
    with clause (i) above and a Secretary's Certificate which sets forth and
    authenticates a resolution that has been adopted by a vote of a majority of
    the Independent Directors approving such Affiliate Transaction or, if at the
    time fewer than three Independent Directors are then in office, a
    Secretary's Certificate which sets forth and authenticates a resolution that
    has been adopted unanimously by the Company's Board of Directors; and

        (b) with respect to any Affiliate Transaction (or series of related
    transactions) involving aggregate payments of $10.0 million or more, the
    certificates described in the preceding clause (a) and an opinion as to the
    fairness to the Company or such Subsidiary from a financial point of view
    issued by an Independent Financial Advisor;

    PROVIDED, HOWEVER, that the following shall not be deemed to be Affiliate
Transactions:

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    (a) transactions exclusively between or among (1) the Company and one or
more Restricted Subsidiaries or (2) Restricted Subsidiaries; PROVIDED, in each
case, that no Affiliate of the Company (other than another Restricted
Subsidiary) owns Capital Stock of any such Restricted Subsidiary;

    (b) transactions between the Company or any Restricted Subsidiary and any
qualified employee stock ownership plan established for the benefit of the
Company's employees, or the establishment or maintenance of any such plan;

    (c) reasonable director, officer and employee compensation and other
benefits (including retirement, health and other benefit plans), and
indemnification arrangements, in each case approved by a majority of the
Independent Directors on the Board of Directors;

    (d) Restricted Payments permitted by the "Limitations on Restricted
Payments" covenant (other than Investments covered by clause (a) above or clause
(h) below);

    (e) the pledge of Capital Stock of Unrestricted Subsidiaries to support the
Indebtedness thereof;

    (f) the entering into of a tax sharing agreement, or payments pursuant
thereto, between the Company and/or one or more Subsidiaries, on the one hand,
and any other Person with which the Company or such Subsidiaries are required or
permitted to file a consolidated tax return or with which the Company or such
Subsidiaries are part of a consolidated group for tax purposes, on the other
hand, which payments by the Company and its Restricted Subsidiaries are not in
excess of the tax liabilities that would have been payable by them on a
stand-alone basis);

    (g) commission, travel and similar advances to officers and employees made
in the ordinary course of business and on customary terms;

    (h) transactions exclusively between (1) the Company or any Restricted
Subsidiary and (2) any joint venture or a Subsidiary; PROVIDED, in each case,
that no Affiliate of the Company (other than a Restricted Subsidiary) owns
Capital Stock of any such joint venture or Subsidiary;

    (i) the purchase of structural bolts from Southwest Bolt, Inc. on terms that
are no less favorable to the Company or the relevant Restricted Subsidiary than
those that would have been obtained in a comparable transaction by the Company
or such Restricted Subsidiary with an unrelated Person; and

    (j) transactions pursuant to agreements entered into or in effect on the
Issue Date and described on a schedule to the Indenture, including amendments,
renewals and extensions thereof entered into after the Issue Date, PROVIDED that
the terms of any such amendment, renewal or extension are not, in the aggregate,
less favorable to the Company or such Restricted Subsidiary than the terms of
such agreement prior to such amendment, renewal or extension.

    LIMITATIONS ON LIENS.  The Company shall not, and shall not permit any
Restricted Subsidiary to, directly or indirectly, incur or permit to exist any
Lien of any nature whatsoever on any property of the Company or any Restricted
Subsidiary (including Capital Stock of a Restricted Subsidiary), whether owned
at the Issue Date or thereafter acquired, which secures Indebtedness that is not
Senior Indebtedness or secures trade payables, unless contemporaneously
therewith effective provision is made to secure the Notes equally and ratably
with (or if such Lien secures Indebtedness that is subordinated to the Notes,
prior to) such Indebtedness or trade payables so long as such Indebtedness or
trade payables are secured by a Lien.

    The foregoing restrictions shall not apply to:

    (i) Liens existing on the Issue Date securing Indebtedness outstanding on
the Issue Date;

    (ii) Liens in favor of the Company or a Subsidiary Guarantor;

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<PAGE>
   (iii) Liens to secure purchase money Indebtedness referred to in clause
(viii) of the definition of "Permitted Indebtedness," provided such Liens are
limited to the assets acquired with the proceeds of such Indebtedness;

    (iv) Liens securing Acquired Indebtedness permitted to be incurred under the
Indenture; provided that the Liens do not extend to property or assets not
subject to such Lien at the time of acquisition (other than improvements
thereon);

    (v) Liens on property of a Person existing at the time such Person is
acquired or merged with or into or consolidated with the Company or any such
Restricted Subsidiary (and not created in anticipation or contemplation
thereof);

    (vi) Liens to secure Refinancing Indebtedness of Indebtedness secured by
Liens referred to in the foregoing clauses (i), (iii), (iv) and (v); PROVIDED
that in each case such Liens do not extend to any additional property or assets
(other than improvements thereon);

   (vii) any Lien securing the payment of workers' compensation or other
insurance;

  (viii) good faith deposits in connection with tenders, leases or contracts
(other than contracts for the payment of money) or to secure public or statutory
obligations, or in lieu of surety or appeal bonds with respect to matters not
yet finally determined and being contested in good faith by appropriate
proceedings;

    (ix) Liens on Receivables to reflect sales of Receivables to and by a
Receivables Subsidiary pursuant to a Receivables Facility; or

    (x) Liens arising by operation of law in favor of mechanics, materialmen,
laborers, employees or suppliers (including under Article 2 of the Uniform
Commercial Code), incurred in the ordinary course of business for sums which are
not yet delinquent or are being contested in good faith by appropriate
proceedings.

    LIMITATIONS ON ASSET SALES.  (a) The Indenture provides that the Company
will not, and will not permit any of its Restricted Subsidiaries to, consummate
any Asset Sale unless:

        (i) the Company or such Restricted Subsidiary receives consideration at
    the time of such Asset Sale at least equal to the Fair Market Value of the
    assets included in such Asset Sale (evidenced by the delivery by the Company
    to the Trustee of an Officers' Certificate certifying that such Asset Sale
    complies with this clause (i));

        (ii) immediately before and immediately giving effect to such Asset
    Sale, no Default shall have occurred and be continuing, and

       (iii) all of the consideration received by the Company or such Restricted
    Subsidiary therefor is in the form of cash paid at the closing thereof,
    PROVIDED that the Company shall be permitted to receive property and
    securities other than cash so long as the aggregate Fair Market Value of all
    such property and securities received in Asset Sales and held by the Company
    and its Restricted Subsidiaries at any one time (exclusive of amounts,
    property, assets or Investments referred to in paragraph (b) below) does not
    exceed 5% of Consolidated Tangible Assets.

    (b) The (x) amount (without duplication) of any Indebtedness (other than
Subordinated Indebtedness) of the Company or such Restricted Subsidiary that is
expressly assumed by the transferee in such Asset Sale and with respect to which
the Company or such Restricted Subsidiary, as the case may be, is
unconditionally released by the holder of such Indebtedness, (y) amount of any
Cash Equivalents, or other notes, securities or items of property received from
such transferee that are within 30 days converted by the Company or such
Restricted Subsidiary to cash (to the extent of the cash actually so received),
and (z) the Fair Market Value of any property or assets of any Related Business
(or any Investment in a joint venture engaged in any such Related Business other
than an

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Investment in Indebtedness incurred in connection with or in anticipation of
such transaction) received by the Company or any Restricted Subsidiary in
exchange for similar property or assets (or a joint venture Investment in a
Person holding any such similar property or assets) and to be used in any
Related Business of the Company or such Restricted Subsidiary, shall be deemed
to be cash for purposes of clause (iii) of paragraph (a) above (but not Net
Available Proceeds for purposes of paragraph (c) below) and, in the case of
clause (x) above, shall also be deemed to constitute a repayment of, and a
permanent reduction in, the amount of such Indebtedness (or any commitment) for
purposes of the following paragraph (c). If at any time any non-cash
consideration received by the Company or any Restricted Subsidiary of the
Company, as the case may be, in connection with any Asset Sale is repaid or
converted into or sold or otherwise disposed of for cash (other than interest
received with respect to any such non-cash consideration), then the date of such
repayment, conversion or disposition shall be deemed to constitute the date of
an Asset Sale hereunder and the Net Available Proceeds thereof shall be applied
in accordance with this covenant.

    (c) If the Company or any Restricted Subsidiary engages in an Asset Sale,
the Company or such Restricted Subsidiary shall, no later than one year after
such Asset Sale,

        (i) apply all or any of the Net Available Proceeds therefrom to repay
    amounts outstanding under the Credit Agreement or any other Senior
    Indebtedness; PROVIDED, in each case, that the related loan commitment (if
    any) is thereby permanently reduced by the amount of such Indebtedness so
    repaid and/or

        (ii) invest (or enter into a legally binding agreement to invest) all or
    any part of the Net Available Proceeds thereof in the purchase of fixed
    assets to be used by the Company and its Restricted Subsidiaries in a
    Related Business (together with any short-term assets incidental thereto),
    or the making of a Related Business Investment, PROVIDED, HOWEVER, that in
    the case of any such legally binding agreement to invest proceeds of an
    Asset Sale, such investment is made no later than one year after such
    agreement is entered into.

    The amount of such Net Available Proceeds not applied or invested as
provided in this paragraph (c) will constitute "Excess Proceeds."

    (d) When the aggregate amount of Excess Proceeds equals or exceeds $10.0
million, the Company will be required to make an offer to purchase, from all
holders of the Notes and, if applicable, prepay, purchase or redeem (or make an
offer to do so) any Pari Passu Indebtedness of the Company the provisions of
which require the Company to prepay, purchase or redeem such Indebtedness with
the proceeds from any Asset Sales (or offer to do so), in an aggregate principal
amount of Notes and such Pari Passu Indebtedness equal to the amount of such
Excess Proceeds as follows:

        (i) The Company will (1) make an offer to purchase (a "Net Proceeds
    Offer") from all holders of the Notes in accordance with the procedures set
    forth in the Indenture, and (2) prepay, purchase or redeem (or make an offer
    to do so) any such other Pari Passu Indebtedness, PRO RATA in proportion to
    the respective principal amounts of the Notes and such other Indebtedness
    required to be prepaid, purchased or redeemed or tendered for, the maximum
    principal amount (expressed as a multiple of $1,000) of Notes and Pari Passu
    Indebtedness that may be purchased, prepaid or redeemed out of the amount
    (the "Payment Amount") of such Excess Proceeds.

        (ii) The offer price for the Notes will be payable in cash in an amount
    equal to 100% of the principal amount of the Notes tendered pursuant to a
    Net Proceeds Offer, plus accrued and unpaid interest (including Special
    Interest) thereon, if any, to the date such Net Proceeds Offer is
    consummated (the "Offered Price"), in accordance with the procedures set
    forth in the Indenture and the prepayment, redemption, purchase or offer
    price for such Pari Passu Indebtedness (the "Pari Passu Indebtedness Price")
    shall be as set forth in the related documentation governing such
    Indebtedness. To the extent that the sum of the aggregate Offered Price of
    Notes tendered

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<PAGE>
    pursuant to a Net Proceeds Offer and the aggregate Pari Passu Indebtedness
    Price paid to the holders of such Pari Passu Indebtedness is less than the
    Payment Amount relating thereto (such shortfall constituting a "Net Proceeds
    Deficiency"), the Company may use such Net Proceeds Deficiency, or a portion
    thereof, for general corporate purposes, subject to the limitations of the
    "Limitations on Restricted Payments" covenant.

       (iii) If the aggregate Offered Price of Notes validly tendered and not
    withdrawn by holders thereof exceeds the PRO RATA portion of the Payment
    Amount allocable to the Notes, Notes to be purchased will be selected on a
    PRO RATA basis.

        (iv) Upon completion of such Net Proceeds Offer in accordance with the
    foregoing provisions, the amount of Excess Proceeds with respect to which
    such Net Proceeds Offer was made shall be deemed to be zero.

    The Company will not permit any Restricted Subsidiary to enter into or
suffer to exist any agreement that would place any restriction of any kind
(other than pursuant to law or regulation) on the ability of the Company to make
a Net Proceeds Offer following any Asset Sale. The Company will comply with
applicable tender offer rules, including the requirements of Rule 14e-1 under
the Exchange Act and any other applicable laws and regulations in the event that
an Asset Sale occurs and the Company is required to purchase Notes as described
above,

    LIMITATIONS ON MERGERS AND CERTAIN OTHER TRANSACTIONS.  The Indenture
provides that the Company will not in a single transaction or a series of
related transactions, (a) consolidate or merge with or into (other than a merger
with a Wholly-Owned Restricted Subsidiary solely for the purpose of changing the
Company's jurisdiction of incorporation to another State of the United States),
or sell, lease, transfer, convey or otherwise dispose of or assign all or
substantially all of the assets of the Company or the Company and its
Subsidiaries (taken as a whole), or assign any of its obligations under the
Notes and the Indenture, to any Person or (b) adopt a Plan of Liquidation
unless, in either case:

    (i) the Person formed by or surviving such consolidation or merger (if other
than the Company) or to which such sale, lease, conveyance or other disposition
or assignment shall be made (or, in the case of a Plan of Liquidation, any
Person to which assets are transferred) (collectively, the "Successor"), is a
corporation organized and existing under the laws of any State of the United
States of America or the District of Columbia, and the Successor assumes by
supplemental indenture in a form satisfactory to the Trustee all of the
obligations of the Company under the Notes and the Indenture;

    (ii) immediately prior to and immediately after giving effect to such
transaction and the assumption of the obligations as set forth in clause (i)
above and the incurrence of any Indebtedness to be incurred in connection
therewith, no Default shall have occurred and be continuing;

   (iii) immediately after and giving effect to such transaction and the
assumption of the obligations set forth in clause (i) above and the incurrence
of any Indebtedness to be incurred in connection therewith, and the use of any
net proceeds therefrom on a pro forma basis, (1) the Consolidated Net Worth of
the Company or the Successor, as the case may be, would be at least equal to the
Consolidated Net Worth of the Company immediately prior to such transaction and
(2) the Company or the Successor, as the case may be, could meet the Coverage
Ratio incurrence Condition; and

    (iv) each Subsidiary Guarantor, unless it is the other party to the
transactions described above, shall have by amendment to its guarantee confirmed
that its guarantee of the Notes shall apply to the obligations of the Company or
the Successor under the Notes and the Indenture. For purposes of this covenant,
any Indebtedness of the Successor which was not Indebtedness of the Company
immediately prior to the transaction shall be deemed to have been incurred in
connection with such transaction.

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    ADDITIONAL SUBSIDIARY GUARANTEES.  The Indenture provides that if the
Company or any of its Subsidiaries shall acquire or create another Subsidiary
(other than (x) a Foreign Subsidiary that has not Guaranteed any Indebtedness of
the Company or any of the Subsidiary Guarantors or (y) a Subsidiary that has
been designated as an Unrestricted Subsidiary), then such newly acquired or
created Subsidiary will be required to execute a Subsidiary Guarantee, in
accordance with the terms of the Indenture.

    REPORTS.  Whether or not required by the rules and regulations of the
Commission, so long as any Notes are outstanding, the Company and the Subsidiary
Guarantors will file with the SEC, to the extent such filings are accepted by
the SEC, and will furnish to the holders of Notes all quarterly and annual
reports and other information, documents and reports that would be required to
be filed with the SEC pursuant to Section 13 of the Exchange Act if the Company
and the Subsidiary Guarantors were required to file under such section. In
addition, the Company and the Subsidiary Guarantors will make such information
available to prospective purchasers of the Notes, securities analysts and
broker-dealers who request it in writing. The Company and the Subsidiary
Guarantors have agreed that, for so long as any Notes remain outstanding, they
will furnish to the holders and beneficial holders of Notes and to prospective
purchasers of Notes designated by the holders of Transfer Restricted Securities
and to broker-dealers, upon their request, the information required to be
delivered pursuant to Rule 144A(d)(4) under the Securities Act.

EVENTS OF DEFAULT

    An "Event of Default" will be defined in the Indenture as

    (i) failure by the Company to pay interest on any of the Notes when it
becomes due and payable and the continuance of any such failure for 30 days;

    (ii) failure by the Company to pay the principal or premium, if any, on any
of the Notes when it becomes due and payable, whether at stated maturity, upon
redemption, upon repurchase, upon acceleration or otherwise;

   (iii) failure by the Company to comply with any of its agreements or
covenants described above under "Certain Covenants--Limitations on Mergers and
Certain Other Transactions", or in respect of its obligations to make a Change
of Control Offer or a Net Proceeds Offer as described above under "Change of
Control" and "Certain Covenants--Limitations on Asset Sales", respectively;

    (iv) failure by the Company to comply with any other covenant in the
Indenture and continuance of such failure for 30 days after notice of such
failure has been given to the Company by the Trustee or by the holders of at
least 25% of the aggregate principal amount of the Notes then outstanding;

    (v) failure by either the Company or any of its Restricted Subsidiaries to
make any payment when due after the expiration of any applicable grace period,
in respect of any Indebtedness of the Company or any of such Subsidiaries, or
the acceleration of the maturity of such Indebtedness by the holders thereof
because of a default, PROVIDED that the aggregate amount unpaid or accelerated,
for all such Indebtedness under this clause (v), equals $20.0 million or more;

    (vi) one or more judgments or orders that exceed $20.0 million in the
aggregate (net of amounts covered by insurance or bonded) for the payment of
money have been entered by a court or courts of competent jurisdiction against
the Company or any Subsidiary of the Company and such judgment or judgments have
not been satisfied, stayed, annulled or rescinded within 60 days of being
entered;

   (vii) certain events of bankruptcy, insolvency or reorganization involving
the Company or any Significant Subsidiary; and

  (viii) except as permitted by the Indenture (including with respect to
releases of Subsidiary Guarantees in connection with Asset Sales and the
designation of a Subsidiary Guarantor as

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Unrestricted Subsidiary), any Subsidiary Guarantee of any Significant Subsidiary
ceases to be in full force and effect or any Subsidiary Guarantor repudiates its
obligations under any Subsidiary Guarantee.

    If an Event of Default (other than an Event of Default specified in clause
(vii) above involving the Company), shall have occurred and be continuing under
the Indenture, the Trustee, by written notice to the Company, or the holders of
at least 25% in aggregate principal amount of the Notes then outstanding by
written notice to the Company and the Trustee may declare all amounts owing
under the Notes to be due and payable immediately. Upon such declaration of
acceleration, the aggregate principal of, premium, if any, and interest on the
outstanding Notes shall immediately become due and payable. If an Event of
Default results from bankruptcy, insolvency or reorganization involving the
Company, all outstanding Notes shall become due and payable without any further
action or notice. In certain cases, the holders of a majority in aggregate
principal amount of the Notes then outstanding may waive an existing Default and
its consequences, except a default in the payment of principal of, premium, if
any, and interest on the Notes.

    The holders may not enforce the provisions of the Indenture or the Notes
except as provided in the Indenture. Subject to certain limitations, holders of
a majority in principal amount of the Notes then outstanding may direct the
Trustee in its exercise of any trust or power; PROVIDED, HOWEVER, that such
direction does not conflict with the terms of the Indenture. The Trustee may
withhold from the holders notice of any continuing Default (except any Default
in payment of principal of, premium, if any, or interest on the Notes) if the
Trustee determines that withholding such notice is in the holders' interest.

    The Company is required to deliver to the Trustee annually a statement
regarding compliance with the Indenture and, upon any Officer of the Company
becoming aware of any Default, a statement specifying such Default and what
action the Company is taking or proposes to take with respect thereto.

SATISFACTION AND DISCHARGE OF INDENTURE; DEFEASANCE

    The Company may terminate its obligations under the Indenture at any time by
delivering all outstanding Notes to the Trustee for cancellation and paying all
sums payable by it thereunder. The Company, at its option, (i) will be
discharged from any and all obligations with respect to the Notes (except for
certain obligations of the Company to register the transfer or exchange of such
Notes, replace stolen, lost or mutilated Notes, maintain paying agencies and
hold moneys for payment in trust) or (ii) need not comply with certain of the
restrictive covenants with respect to the Indenture ("Covenant Defeasance"), if
the Company deposits with the Trustee, in trust, U.S. Legal Tender or U.S.
Government Obligations or a combination thereof that, through the payment of
interest and premium thereon and principal amount at maturity in respect thereof
in accordance with their terms, will be sufficient to pay all the principal
amount at maturity of and interest and premium on the Notes on the dates such
payments are due in accordance with the terms of such Notes as well as the
Trustee's fees and expenses. To exercise either such option, the Company is
required to deliver to the Trustee (A) an Opinion of Counsel and, in connection
with a discharge pursuant to clause (i) above, confirmation of such counsel that
(I) the Company has received from, or there has been published by, the Internal
Revenue Service a ruling or (II) since the date of the Indenture there has been
a change in the applicable federal income tax law, in each case to the effect
that the holders of the Notes will not recognize income, gain or loss for
federal income tax purposes as a result of the deposit and related 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 option had not
been exercised, (B) subject to certain qualifications, an Opinion of Counsel to
the effect that funds so deposited (1) will not violate the Investment Company
Act of 1940 and will not be subject to the effect of Section 547 of the United
States Bankruptcy Code (the "Bankruptcy Code") and (2) after the 91st day
following the deposit, will not be part of any "estate" formed by the bankruptcy
or reorganization of the Company or

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any Subsidiary Guarantor or subject to the "automatic stay" under the Bankruptcy
Code or, in the case of Covenant Defeasance, will be subject to a first priority
Lien in favor of the Trustee for the benefit of the holders of the Notes, and
(C) an Officers' Certificate and an Opinion of Counsel to the effect that the
Company has complied with all conditions precedent to the defeasance.

TRANSFER AND EXCHANGE

    A holder will be able to register the transfer of or exchange Notes only in
accordance with the provisions of the Indenture. The Registrar may require a
holder, among other things, to furnish appropriate endorsements and transfer
documents and to pay any taxes and fees required by law or permitted by the
Indenture. Without the prior consent of the Company, the Registrar is not
required (i) to register the transfer of or exchange any Note selected for
redemption, (ii) to register the transfer of or exchange any Note for a period
of 15 days before a selection of Notes to be redeemed or (iii) to register the
transfer or exchange of a Note between a record date and the next succeeding
interest payment date. The registered holder of a Note will be treated as the
owner of such Note for all purposes.

AMENDMENT, SUPPLEMENT AND WAIVER

    Subject to certain exceptions, the Indenture or the Notes may be amended or
supplemented with the consent (which may include consents obtained in connection
with a tender offer or exchange offer for Notes) of the holders of at least a
majority in principal amount of the Notes then outstanding, and any existing
Default under, or compliance with any provision of, the Indenture may be waived
(other than any continuing Default in the payment of the principal of, premium,
if any, or interest on the Notes) with the consent (which may include consents
obtained in connection with a tender offer or exchange offer for Notes) of the
holders of a majority in principal amount of the Notes then outstanding;
PROVIDED that:

        (A) no such modification or amendment may, without the consent of the
    holders of 75% in aggregate principal amount of such series of Notes then
    outstanding, amend or modify the obligation of the Company under the caption
    "Change of Control" or in the obligations of the Company to make a Net
    Proceeds Offer or the definitions related thereto that could adversely
    affect the rights of any holder of the Notes; and

        (B) without the consent of each holder affected, the Company and the
    Trustee may not: (i) extend the maturity of any Note; (ii) reduce the
    amount, extend the due date or otherwise affect the terms of any scheduled
    payment of interest (including Special Interest) on or principal of the
    Notes; (iii) except as permitted by (A) above, reduce any premium payable
    upon optional redemption or acceleration of the Notes, change the date on
    which any Notes are subject to redemption or otherwise alter the provisions
    with respect to the redemption of the Notes; (iv) make any Note payable in
    money or currency other than that stated in the Notes; (v) take any action
    that would subordinate the Notes or the Subsidiary Guarantees to any other
    Indebtedness of the Company or any of its Subsidiaries, respectively (except
    as provided under "Subordination" above), or otherwise affect the ranking of
    the Notes or the Subsidiary Guarantees; (vi) reduce the percentage of
    holders necessary to consent to an amendment, supplement or waiver to the
    Indenture or the Notes; (vii) impair the rights of holders of Notes to
    receive payments of principal of or premium, if any, or interest (including
    Special Interest) on the Notes; (viii) release any Subsidiary Guarantor from
    any of its obligations under its Subsidiary Guarantee or the Indenture,
    except as permitted by the Indenture; or (ix) make any change in the
    foregoing amendment and waiver provisions.

    Without the consent of any holder, the Company and the Trustee may amend or
supplement the Indenture or the Notes to cure any ambiguity, defect or
inconsistency, to provide for uncertificated

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Notes in addition to or in place of certificated Notes, to provide for the
assumption of the Company's obligations to holders in the case of a merger or
acquisition, to release any Subsidiary Guarantor from any of its obligations
under its Subsidiary Guarantee or the Indenture, to the extent permitted by the
Indenture, or to make any change that does not adversely affect the rights of
any holder.

CONCERNING THE TRUSTEE

    Harris Trust Company of New York is the Trustee under the Indenture and has
been appointed by the Company as Registrar and Paying Agent with regard to the
Notes. The Indenture contains certain limitations on the rights of the Trustee,
should it become a creditor of the Company, to obtain payment of claims in
certain cases, or to realize on certain property received in respect of any such
claim as security or otherwise. The Trustee will be permitted to engage in other
transactions; however, if it acquires any conflicting interest (as defined in
the Indenture), it must eliminate such conflict or resign.

    The holders of a majority in principal amount of the then outstanding Notes
will have the right to direct the time, method and place of conducting any
proceeding for exercising any remedy available to the Trustee, subject to
certain exceptions. The Indenture provides that, in case an Event of Default
occurs and is not cured, the Trustee will be required, in the exercise of its
power, to use the degree of care of a prudent person in similar circumstances in
the conduct of his own affairs. Subject to such provisions, the Trustee will be
under no obligation to exercise any of its rights or powers under the Indenture
at the request of any holder, unless such holder shall have offered to the
Trustee security and indemnity satisfactory to the Trustee.

GOVERNING LAW

    Each of the Indenture, the Notes and the Subsidiary Guarantees provides that
it will be governed by, and construed in accordance with, the laws of the State
of New York.

BOOK-ENTRY, DELIVERY AND FORM OF SECURITIES

    The Series B notes to be issued in this exchange offer will be represented
by one or more Global Notes in definitive form. The Global Notes will be
deposited on the date the exchange offer is completed with, or on behalf of, DTC
and registered in the name of Cede & Co., as nominee of DTC (such nominee being
referred to herein as the "Global Note Holder"). DTC will maintain the Series B
notes in denominations of $1,000 and integral multiples thereof through its
book-entry facilities.

    DTC is a limited-purpose trust company that was created to hold securities
for its participating organizations (collectively, the "Participants" or the
"Depositary's Participants") and to facilitate the clearance and settlement of
transactions in such securities between Participants through electronic
book-entry changes in accounts of its Participants. The Depositary's
Participants include securities brokers and dealers (including the Initial
Purchasers), banks and trust companies, clearing corporations and certain other
organizations. Access to DTC's system is also available to other entities such
as banks, brokers, dealers and trust companies (collectively, the "Indirect
Participants" or the "Depositary's Indirect Participants") that clear through or
maintain a custodial relationship with a Participant, either directly or
indirectly. Persons who are not Participants may beneficially own securities
held by or on behalf of DTC only through the Depositary's Participants or the
Depositary's Indirect Participants.

    Pursuant to procedures established by DTC, ownership of the Notes will be
shown on, and the transfer of ownership thereof will be effected only through,
records maintained by DTC (with respect to the interests of the Depositary's
Participants), the Depositary's Participants and the Depositary's Indirect
Participants.

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<PAGE>
    The laws of some states require that certain persons take physical delivery
in definitive form of securities that they own. Consequently, the ability to
transfer the Series B notes will be limited to such extent.

    So long as the Global Note Holder is the registered owner of any Series B
notes, the Global Note Holder will be considered the sole holder of outstanding
Series B notes represented by such Global Notes under the Indenture. Except as
provided below, owners of Series B notes will not be entitled to have Series B
notes registered in their names and will not be considered the owners or holders
thereof under the Indenture for any purpose, including with respect to the
giving of any directions, instructions, or approvals to the Trustee thereunder.
None of the Company, the Subsidiary Guarantors or the Trustee will have any
responsibility or liability for any aspect of the records relating to or
payments made on account of Series B notes by DTC, or for maintaining,
supervising or reviewing any records of DTC relating to such Series B notes.

    Payments in respect of the principal of, premium, if any, and interest on
any Series B notes registered in the name of a Global Note Holder on the
applicable record date will be payable by the Trustee to or at the direction of
such Global Note Holder in its capacity as the registered holder under the
Indenture. Under the terms of the Indenture, the Company and the Trustee may
treat the persons in whose names any Series B notes, including the Global Notes,
are registered as the owners thereof for the purpose of receiving such payments
and for any and all other purposes whatsoever. Consequently, neither the Company
or the Trustee has or will have any responsibility or liability for the payment
of such amounts to beneficial owners of Series B notes (including principal,
premium, if any, and interest). The Company believes, however, that it is
currently the policy of DTC to immediately credit the accounts of the relevant
Participants with such payments, in amounts proportionate to their respective
beneficial interests in the relevant security as shown on the records of DTC.
Payments by the Depositary's Participants and the Depositary's Indirect
Participants to the beneficial owners of Series B notes will be governed by
standing instructions and customary practice and will be the responsibility of
the Depositary's Participants or the Depositary's Indirect Participants.

    Subject to certain conditions, any person having a beneficial interest in
the Global Notes may, upon request to the Trustee and confirmation of such
beneficial interest by the Depositary or its Participants or Indirect
Participants, exchange such beneficial interest for Series B notes in definitive
form. Upon any such issuance, the Trustee is required to register such Series B
notes in the name of and cause the same to be delivered to, such person or
persons (or the nominee of any thereof). Such Series B notes would be issued in
fully registered form and would be subject to the legal requirements described
herein under the caption "Notice to Investors." In addition, if (i) the Company
notifies the Trustee in writing that DTC is no longer willing or able to act as
a depositary and the Company is unable to locate a qualified successor within 90
days or (ii) the Company, at its option, notifies the Trustee in writing that it
elects to cause the issuance of Series B notes in definitive form under the
Indenture, then, upon surrender by the relevant Global Note Holder of its Global
Note, Series B notes in such form will be issued to each person that such Global
Note Holder and DTC identifies as being the beneficial owner of the related
Series B notes.

    Neither the Company nor the Trustee will be liable for any delay by the
Global Note Holder or DTC in identifying the beneficial owners of Series B notes
and the Company and the Trustee may conclusively rely on, and will be protected
in relying on, instructions from the Global Note Holder or DTC for all purposes.

    The Indenture requires that payments in respect of the Notes represented by
the Global Note (including principal, premium, if any, interest and Special
Interest) be made in same-day funds. The Series B notes are expected to be
eligible to trade in the FIPS Market or the PORTAL Market and to trade in DTC's
Same-Day Funds Settlement System and any permitted secondary market trading
activity in the Series B notes will, therefore, be required by DTC to be settled
in same-day funds.

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ADDITIONAL INFORMATION

    Anyone who receives this prospectus may obtain a copy of the Indenture
without charge by contacting the Company at 7301 Fairview, Houston, Texas 77041,
Attention: Chief Financial Officer, or by telephone at (713) 466-7788.

CERTAIN DEFINITIONS

    Set forth below is a summary of certain of the defined terms used in the
Indenture. Reference is made to the Indenture for the full definition of all
such terms.

    "ACQUIRED INDEBTEDNESS" means (a) with respect to any Person that becomes a
Restricted Subsidiary after the date of the Indenture, Indebtedness of such
Person and its Subsidiaries existing at the time such Person becomes a
Restricted Subsidiary that was not incurred in connection with, or in
contemplation of, such Person becoming a Restricted Subsidiary and (b) with
respect to the Company or any of its Restricted Subsidiaries, any Indebtedness
of a Person (other than the Company or a Restricted Subsidiary) existing at the
time such Person is merged with or into the Company or a Restricted Subsidiary,
or Indebtedness assumed by the Company or any of its Restricted Subsidiaries in
connection with the acquisition of an asset or assets from another Person, which
Indebtedness was not, in any case, incurred by such other Person in connection
with, or in contemplation of, such merger or acquisition.

    "AFFILIATE" of any Person means any Person (i) which directly or indirectly
controls or is controlled by, or is under direct or indirect common control
with, the referent Person, (ii) which beneficially owns or holds, directly or
indirectly, 10% or more of any class of the Voting Stock of the referent Person,
(iii) of which 10% or more of the Voting Stock is beneficially owned or held,
directly or indirectly, by the referent Person or (iv) with respect to an
individual, any immediate family member of such Person. For purposes of this
definition, control of a Person shall mean 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.

    "ASSET SALE" means any sale, issuance, conveyance, transfer, lease,
assignment or other disposition to any Person other than the Company or any of
its Restricted Subsidiaries (including by means of a Sale and Leaseback
Transaction or a merger or consolidation) (collectively, for purposes of this
definition, a "transfer"), directly or indirectly, in one transaction or a
series of related transactions, of (a) any Capital Stock of any Subsidiary or
(b) any other properties or assets of the Company or any of its Subsidiaries.
For purposes of this definition, the term "Asset Sale" shall not include: (i)
transfers of cash, Cash Equivalents, defaulted accounts receivable, inventory or
other properties or assets in the ordinary course of business (other than in
connection with a Receivables Facility); (ii) transfers of properties or assets
(including Capital Stock) that are governed by, and made in accordance with, the
provisions described under "Covenants--Limitations on Mergers and Certain Other
Transactions"; (iii) transfers of properties or assets to a Subsidiary,
including an Unrestricted Subsidiary, and a transfer of assets that constitutes
a Restricted Investment, in each case if permitted under the "Limitations on
Restricted Payments" covenant; (iv) transfers of damaged, worn-out or obsolete
equipment or assets that, in the Company's reasonable judgment, are no longer
used or useful in the business of the Company or its Subsidiaries; PROVIDED that
the proceeds thereof are used to purchase replacement or similar assets for use
in the business of the Company and its Subsidiaries; (v) any transfer or series
of related transfers that, but for this clause (v), would be Asset Sales, if
after giving effect to such transfers, the aggregate Fair Market Value of the
properties or assets transferred in such transaction or any such series of
related transactions does not exceed $1,000,000; (vi) a Sale/Leaseback
Transaction with respect to the Company's home office building being constructed
in Houston, Texas, PROVIDED (a) the Attributable Indebtedness with respect to
such Sale/Leaseback Transaction does not exceed a principal amount of $5.5
million and is otherwise permitted to be incurred under the

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Indenture, and (b) the gross cash proceeds of that Sale and Leaseback
Transaction are at least equal to the Fair Market Value of the asset subject
thereto; or (vii) a contribution, transfer or other disposition of Receivables
in connection with a Qualifying Receivables Facility.

    "ATTRIBUTABLE INDEBTEDNESS," when used with respect to any Sale and
Leaseback Transaction, means, as at the time of determination, the present value
(discounted at a rate equivalent to the Company's then-current weighted average
cost of funds for borrowed money as at the time of determination, compounded on
a semi-annual basis) of the total obligations of the lessee for rental payments
during the remaining term of the lease included in any such Sale and Leaseback
Transaction.

    "BOARD RESOLUTION" means a duly adopted resolution of the Board of Directors
of the Company and delivered to the Trustee.

    "BSM" means Building Systems de Mexico, S.A. de C.V., a Mexican stock
corporation.

    "Capitalized Lease" means a lease required to be capitalized for financial
reporting purposes in accordance with GAAP.

    "CAPITAL STOCK" of any Person means (i) any and all shares or other equity
interests (including common stock, preferred stock and partnership interests) in
such Person and (ii) all rights to purchase, warrants or options (whether or not
currently exercisable), participations or other equivalents of or interests in
(however designated) such shares or other interests in such Person.

    "CAPITALIZED LEASE OBLIGATIONS" of any Person means the obligations of such
Person to pay rent or other amounts under a Capitalized Lease, and the amount of
such obligation shall be the capitalized amount thereof determined in accordance
with GAAP.

    "CASH EQUIVALENTS" means (i) marketable obligations with a maturity of 180
days or less issued or directly and fully guaranteed or insured by the United
States of America or any agency or instrumentality thereof (provided that the
full faith and credit of the United States of America is pledged in support
thereof); (ii) demand and time deposits and certificates of deposit or
acceptances with a maturity of 180 days or less of any financial institution
that is a member of the Federal Reserve System having combined capital and
surplus and undivided profits of not less than $500 million; (iii) commercial
paper maturing no more than 180 days from the date of creation thereof issued by
a corporation that is not the Company or an Affiliate of the Company, and is
organized under the laws of any State of the United States of America or the
District of Columbia and rated at least A-1 by S&P or at least P-1 by Moody's;
(iv) repurchase obligations with a term of not more than seven days for
underlying securities of the types described in clause (i) above entered into
with any commercial bank meeting the specifications of clause (ii) above; and
(v) investments in money market or other mutual funds substantially all of whose
assets comprise securities of the types described in clauses (i) through (iv)
above.

    "CHANGE OF CONTROL" means the occurrence of any of the following: (i) any
Person or group (as such term is used in Section 13(d)(3) of the Exchange Act)
is or becomes the beneficial owner (as defined in Rule 13d-3 of the Exchange
Act), directly or indirectly, of Voting Stock representing more than 50% of the
voting power of the Voting Stock of the Company, (ii) the Company consolidates
with, or merges with or into, another Person or sells, assigns, conveys,
transfers, leases or otherwise disposes of all or substantially all of the
Company's assets or the assets of Company and its Subsidiaries taken as a whole
to any Person, or any Person consolidates with, or merges with or into, the
Company, in any such event pursuant to a transaction in which the outstanding
Voting Stock of the Company is converted into or exchanged for cash, securities
or other property, other than any such transaction where the outstanding Voting
Stock of the Company is converted into or exchanged for Voting Stock (other than
Disqualified Capital Stock) of the surviving or transferee corporation and the
beneficial owners of the Voting Stock of the Company immediately prior to such
transaction own, directly or indirectly, not less than a majority of the Voting
Stock of the surviving corporation (including the

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Company) or transferee corporation immediately after such transaction, or (iii)
during any consecutive two-year period, individuals who at the beginning of such
period constituted the Board of Directors of the Company (together with any new
directors whose election by such Board of Directors or whose nomination for
election by the stockholders of the Company was approved by a vote of two-thirds
of the directors then still in office who were either directors at the beginning
of such period or whose election or nomination for election was previously so
approved) cease for any reason to constitute a majority of the Board of
Directors of the Company then in office.

    "COMMISSION" means the U.S. Securities and Exchange Commission.

    "COMMON EQUITY" of any Person means all Capital Stock of such Person that is
generally entitled to (i) vote in the election of directors of such Person or
(ii) if such Person is not a corporation, control, or vote or otherwise
participate in the selection of the governing body, partners, managers or others
that controls, the management and policies of such Person.

    "CONSOLIDATED AMORTIZATION EXPENSE" for any period means the amortization
expense of the Company and its Restricted Subsidiaries for such period (to the
extent included in the computation of Consolidated Net Income), determined on a
consolidated basis in accordance with GAAP.

    "CONSOLIDATED CASH FLOW" for any period means, without duplication, the sum
of the amounts for such period of (i) Consolidated Net Income plus (ii) in each
case to the extent deducted in determining Consolidated Net Income, (A)
Consolidated Income Tax Expense, (B) Consolidated Amortization Expense (but only
to the extent not included in Consolidated Interest Expense), (C) Consolidated
Depreciation Expense, (D) Consolidated Interest Expense and (E) all other
non-cash items reducing the Consolidated Net Income (including any charge on
account of contributions to employee benefit plans made in Common Equity of the
Company, but excluding any non-cash charge that results in an accrual of a
reserve for cash charges in any future period) for such period, in each case
determined on a consolidated basis in accordance with GAAP and minus (iii) the
aggregate amount of all non-cash items, determined on a consolidated basis, to
the extent such items increased Consolidated Net Income for such Period.

    "CONSOLIDATED DEPRECIATION EXPENSE" for any period means the depreciation
expense of the Company and its Restricted Subsidiaries for such period (to the
extent included in the computation of Consolidated Net Income), determined on a
consolidated basis in accordance with GAAP.

    "CONSOLIDATED INCOME TAX EXPENSE" for any period means the provision for
taxes based on income and profits of the Company and its Restricted Subsidiaries
to the extent such income or profits were included in computing Consolidated Net
Income for such period.

    "CONSOLIDATED INTEREST COVERAGE RATIO" means, with respect to any
determination date, the ratio of (a) Consolidated Cash Flow for the four full
fiscal quarters immediately preceding the determination date for which financial
statements are publicly available (for any determination, the "Reference
Period"), to (b) Consolidated Interest Expense for such Reference Period. In
making such computations, (i) Consolidated Cash Flow and Consolidated Interest
Expense shall be calculated on a pro forma basis assuming that (A) the
Indebtedness to be incurred or the Disqualified Capital Stock or Preferred Stock
to be issued (and all other Indebtedness incurred or Disqualified Capital Stock
or Preferred Stock issued after the first day of such Reference Period referred
to in the covenant described under "--Certain Covenants--Limitations on
Additional Indebtedness" through and including the date of determination), and
(if applicable) the application of the net proceeds therefrom (and from any
other such Indebtedness, Disqualified Capital Stock or Preferred Stock),
including the refinancing of other Indebtedness, had been incurred or issued on
the first day of such Reference Period and, in the case of Acquired
Indebtedness, on the assumption that the related transaction (whether by means
of purchase, merger or otherwise) also had occurred on such date with the
appropriate adjustments with respect to such acquisition being included in such
pro forma calculation

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and (B) any acquisition or disposition by the Company or any Restricted
Subsidiary of any properties or assets outside the ordinary course of business
or any repayment of any principal amount of any Indebtedness of the Company or
any Restricted Subsidiary prior to the stated maturity thereof, in either case
since the first day of such Reference Period through and including the date of
determination, had been consummated on such first day of such Reference Period
(and, in the case of any such acquisition, Consolidated Cash Flow shall be
calculated without regard to clause (ii) of the proviso in the "Consolidated Net
Income" definition); (ii) the Consolidated Interest Expense attributable to
interest on any Indebtedness required to be computed on a pro forma basis in
accordance with the covenant described under "--Certain Covenants--Limitations
on Additional Indebtedness" and (A) bearing a floating interest rate shall be
computed as if the rate in effect on the date of computation had been the
applicable rate for the entire period and (B) which was not outstanding during
the period for which the computation is being made but which bears, at the
option of the Company, a fixed or floating rate of interest, shall be computed
by applying, at the option of the Company, either the fixed or floating rate;
(iii) the Consolidated Interest Expense attributable to interest on any
indebtedness under a revolving credit facility required to be computed on a pro
forma basis in accordance with the covenant described under "--Certain
Covenants--Limitations on Additional Indebtedness" shall be computed based upon
the average daily balance of such Indebtedness during the applicable period;
PROVIDED that such average daily balance shall be reduced by the amount of any
repayment of Indebtedness under a revolving credit facility during the
applicable period, to the extent such repayment permanently reduced the
commitments or amounts available to be reborrowed under such facility below the
amount of such average daily balance during the applicable period; (iv)
notwithstanding the foregoing clauses (ii) and (iii), interest on Indebtedness
determined on a floating rate basis, to the extent such interest is covered by
agreements relating to Hedging Obligations, shall be deemed to have accrued at
the rate per annum resulting after giving effect to the operation of such
agreements; and (v) if after the first day of the applicable Reference Period
and before the date of determination, the Company has permanently retired any
Indebtedness out of the net proceeds of the issuance and sale of shares of
Capital Stock (other than Disqualified Capital Stock) of the Company within 30
days of such issuance and sale, Consolidated Interest Expense shall be
calculated on a pro forma basis as if such Indebtedness had been retired on the
first day of such period.

    "CONSOLIDATED INTEREST EXPENSE" for any period means the sum, without
duplication, of the total interest expense of the Company and its Restricted
Subsidiaries for such period, determined on a consolidated basis in accordance
with GAAP and including without duplication, (i) imputed interest on Capitalized
Lease Obligations and Attributable Indebtedness, (ii) commissions, discounts and
other fees and charges owed with respect to letters of credit securing financial
obligations, bankers' acceptance financing and receivables financings, (iii) the
net costs associated with Hedging Obligations, (iv) amortization of other
financing fees and expenses, (v) the interest portion of any deferred payment
obligations, (vi) amortization of debt discount or premium, if any, (vii) all
other non-cash interest expense, (viii) capitalized interest, (ix) the product
of (a) all cash dividend payments (and non-cash dividend payments in the case of
a Restricted Subsidiary) on any series of Preferred Stock of the Company or any
Restricted Subsidiary, MULTIPLIED BY (b) a fraction, the numerator of which is
one and the denominator of which is one MINUS the then current combined federal,
state and local statutory tax rate of the Company and its Restricted
Subsidiaries, expressed as a decimal, (x) all interest payable with respect to
discontinued operations, and (xi) all interest on any Indebtedness of any other
Person Guaranteed by the Company or any Restricted Subsidiary, provided that
Consolidated Interest Expense shall not include the write-off of debt issuance
costs or debt discount or premium in connection with an early retirement of
debt.

    "CONSOLIDATED NET INCOME" for any period means the net income (or loss) of
the Company and its Restricted Subsidiaries for such period determined on a
consolidated basis in accordance with GAAP; PROVIDED that there shall be
excluded from such net income (to the extent otherwise included therein),

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without duplication: (i) the net income (or loss) of any Person (other than a
Restricted Subsidiary) in which any Person other than the Company and its
Restricted Subsidiaries has an ownership interest, except to the extent that
cash in an amount equal to any such income has actually been received by the
Company or any of its Wholly-Owned Restricted Subsidiaries during such period;
(ii) except to the extent includible in the consolidated net income of the
Company pursuant to the foregoing clause (i), the net income (or loss) of any
Person that accrued prior to the date that (a) such Person becomes a Restricted
Subsidiary or is merged into or consolidated with the Company or any Restricted
Subsidiary or (b) the assets of such Person are acquired by the Company or any
Restricted Subsidiary; (iii) the net income of any Restricted Subsidiary during
such period to the extent that the declaration or payment of dividends or
similar distributions by such Restricted Subsidiary of that income is not
permitted by operation of the terms of its charter or any agreement, instrument,
judgment, decree, order, statute, rule or governmental regulation applicable to
that Subsidiary during such period; (iv) any gain (or loss), together with any
related provisions for taxes on any such gain (or the tax effect of any such
loss), realized during such period by the Company or any Restricted Subsidiary
upon (A) the acquisition of any securities, or the extinguishment of any
Indebtedness, of the Company or any Restricted Subsidiary or (B) any Asset Sale
by the Company or any of its Restricted Subsidiaries, (v) any extraordinary gain
(or extraordinary loss), together with any related provision for taxes on any
such extraordinary gain (or the tax effect of any such extraordinary loss),
realized by the Company or any Restricted Subsidiary during such period; and
(vi) in the case of a successor to the Company by consolidation, merger or
transfer of its assets, any income (or loss) of the successor prior to such
merger, consolidation or transfer of assets.

    "CONSOLIDATED NET WORTH" means, with respect to any Person as of any date,
the consolidated stockholders' equity of such Person, determined on a
consolidated basis in accordance with GAAP, less (without duplication) (i) any
amounts thereof attributable to Disqualified Stock of such Person or its
Consolidated Subsidiaries and (ii) all write-ups (other than write-ups resulting
from foreign currency translations and write-ups of tangible assets of a going
concern business made within twelve months after the acquisition of such
business) subsequent to the date of the Indenture in the book value of any asset
owned by such Person or a Subsidiary of such Person.

    "CONSOLIDATED TANGIBLE ASSETS" means, with respect to any Person, the total
assets of such Person and its Restricted Subsidiaries, determined on a
consolidated basis in accordance with GAAP as of the end of the most recent
fiscal quarter of such Person for which financial statements are publicly
available, less (without duplication) the sum of: (i) all intangible assets
(including patents, trademarks, copyrights, goodwill, organizational expenses
and similar intangible items), and (ii) all Investments in Persons that are not
Restricted Subsidiaries (except Cash Equivalents).

    "COVERAGE RATIO INCURRENCE CONDITION" would be met at any specified time
only if the Company (or its Successor, as the case may be) would be able to
incur $1.00 of additional Indebtedness at such specified time pursuant to the
Consolidated Interest Coverage Ratio test set forth in clause (ii) of the
proviso in the covenant described under "--Certain Covenants--Limitations on
Additional Indebtedness."

    "CREDIT AGREEMENT" means the Credit Agreement dated as of March 25, 1998 by
and among the Company, as Borrower, NationsBank, N.A. (formerly known as
NationsBank of Texas, N.A.), as Administrative Agent, certain financial
institutions as Arrangers, Syndication Agents and Documentation Agent, and the
Lenders named therein, together with any security documents, and guarantees in
connection therewith and any additional guarantees executed by the Subsidiary
Guarantors, as any of the foregoing may be subsequently amended, restated,
refinanced, or replaced from time to time.

    "CREDIT FACILITIES" means, with respect to the Company or any Subsidiary
Guarantor, one or more credit facilities with banks or other institutional
lenders providing for revolving loans, term loans,

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receivables financing (including through the sale of receivables to such lenders
or to special purpose entities formed to borrow from or issue securities to such
lenders against such receivables) or letters of credit.

    "DEFAULT" means (i) any Event of Default or (ii) any event, act or condition
that, after notice or the passage of time or both would be, an Event of Default.

    "DESIGNATED SENIOR INDEBTEDNESS" means (i) Indebtedness under the Credit
Agreement (whether incurred pursuant to the definition of Permitted Indebtedness
or pursuant to clause (ii) of the covenant described under "--Limitations on
Additional Indebtedness") and (ii) any other Indebtedness constituting Senior
Indebtedness or Subsidiary Guarantor Senior Indebtedness that at the date of
determination, has an aggregate principal amount outstanding of at least $25.0
million and that is specifically designated by the Company or the Subsidiary
Guarantor, in the instrument creating or evidencing such Senior Indebtedness or
Subsidiary Guarantor Senior Indebtedness or in an Officers' Certificate
delivered to the Trustee, as "Designated Senior Indebtedness."

    "DISQUALIFIED CAPITAL STOCK" means any Capital Stock of such Person or any
of its Subsidiaries that, by its terms, by the terms of any agreement related
thereto or by the terms of any security into which it is convertible, puttable
or exchangeable, is, or upon the happening of any event or the passage of time
would be, required to be redeemed or repurchased by such Person or any of its
Subsidiaries, whether or not at the option of the holder thereof, or matures or
is mandatorily redeemable, pursuant to a sinking find obligation or otherwise,
in whole or in part, on or prior to the final maturity date of the Notes;
PROVIDED, HOWEVER, that any class of Capital Stock of such Person that, by its
terms, authorizes such Person to satisfy in full its obligations with respect to
the payment of dividends or upon maturity, redemption (pursuant to a sinking
fund or otherwise) or repurchase thereof or otherwise by the delivery of Capital
Stock that is not Disqualified Capital Stock, and that is not convertible,
puttable or exchangeable for Disqualified Capital Stock or Indebtedness, shall
not be deemed to be Disqualified Capital Stock so long as such Person satisfies
its obligations with respect thereto solely by the delivery of Capital Stock
that is not Disqualified Capital Stock.

    "EQUITY OFFERING" means an offering or sale of Capital Stock (other than
Disqualified Capital Stock) of the Company pursuant to a registration statement
filed with the Commission in accordance with the Securities Act or pursuant to
an exemption from the registration requirements thereof.

    "EXCHANGE ACT" means the U.S. Securities Exchange Act of 1934.

    "EXISTING JOINT VENTURE INVESTMENTS" means the Investments of the Company
and its Restricted Subsidiaries in Midwest Metal Coatings, LLC, a Delaware
limited liability company, BSM, Metallic de Mexico, S.A. de C.V., a Mexican
stock corporation, and DOUBLECOTE, L.L.C., a Delaware limited liability company,
to the extent in existence on the Issue Date or required to be made following
the Issue Date pursuant to legally binding commitments in effect on the Issue
Date. The aggregate amount of all Existing Joint Venture Investments existing or
committed on the Issue Date equals approximately $38.1 million.

    "FAIR MARKET VALUE" of any asset or items means the fair market value of
such asset or items as determined in good faith by the Board of Directors and
evidenced by a Board Resolution.

    "FOREIGN SUBSIDIARY" means any Subsidiary of the Company that is not
incorporated or organized in the United States or in any State thereof and
substantially all of the assets of which are located outside of the United
States or that conducts substantially all of its business outside of the United
States.

    "GAAP" means generally accepted accounting principles set forth in the
opinions and pronouncements of the Accounting Principles Board of the American
Institute of Certified Public Accountants and statements and pronouncements of
the Financial Accounting Standards Board or in

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such other statements by such other entity as may be approved by a significant
segment of the accounting profession of the United States, as in effect on the
Issue Date.

    "GUARANTEE" means a direct or indirect guarantee by any Person of any
Indebtedness of any other Person and includes any obligation, direct or
indirect, contingent or otherwise, of such Person: (i) to purchase or pay (or
advance or supply funds for the purchase or payment of) Indebtedness of such
other Person (whether arising by virtue of partnership arrangements, or by
agreements to keep-well, to purchase assets, goods, securities or services
(unless such purchase arrangements are on arm's-length terms and are entered
into in the ordinary course of business), to take-or-pay, or to maintain
financial statement conditions or otherwise); or (ii) entered into for purposes
of assuring in any other manner the obligee of such Indebtedness of the payment
thereof or to protect such obligee against loss in respect thereof (in whole or
in part). "Guarantee," when used as a verb, and "Guaranteed" have correlative
meanings.

    "HEDGING OBLIGATIONS" of any Person means the obligations of such Person
pursuant to (i) any interest rate swap agreement, interest rate collar agreement
or other similar agreement or arrangement designed to protect such Person
against fluctuations in interest rates, (ii) agreements or arrangements designed
to protect such Person against fluctuations in foreign currency exchange rates
in the conduct of its operations, or (iii) any forward contract, commodity swap
agreement, commodity option agreement or other similar agreement or arrangement
designed to protect such Person against fluctuations in commodity prices, in
each case, entered into in the ordinary course of business for BONA FIDE hedging
purposes and not for the purpose of speculation.

    "INCUR" means, with respect to any Indebtedness or Obligation, incur,
create, issue, assume, Guarantee or otherwise become directly or, indirectly
liable, contingently or otherwise, with respect to such Indebtedness or
Obligation; PROVIDED that (i) the Indebtedness of a Person existing at the time
such Person became a Restricted Subsidiary shall be deemed to have been incurred
by such Restricted Subsidiary and (ii) neither the accrual of interest nor the
accretion of accreted value shall be deemed to be an incurrence of Indebtedness.

    "INDEBTEDNESS" of any Person at any date means, without duplication: (i) all
liabilities, contingent or otherwise, of such Person for borrowed money (whether
or not the recourse of the lender is to the whole of the assets of such person
or only to a portion thereof); (ii) all obligations of such Person evidenced by
bonds, debentures, notes or other similar instruments; (iii) all obligations of
such Person in respect of letters of credit or other similar instruments (or
reimbursement obligations with respect thereto); (iv) all obligations of such
Person to pay the deferred and unpaid purchase price of property or services,
except trade payables and accrued expenses incurred by such Person in the
ordinary course of business in connection with obtaining goods, materials or
services, which payable is not overdue by more than 60 days according to the
original terms of sale unless such payable is being contested in good faith; (v)
the maximum fixed redemption or repurchase price of all Disqualified Capital
Stock of such Person; (vi) all Capitalized Lease Obligations of such Person;
(vii) all Indebtedness of others secured by a Lien on any asset of such Person,
whether or not such Indebtedness is assumed by such Person; (viii) all
Indebtedness of others Guaranteed by such Person to the extent of such
Guarantee; PROVIDED that Indebtedness of the Company or its Subsidiaries that is
Guaranteed by the Company or the Company's Subsidiaries shall only be counted
once in the calculation of the amount of Indebtedness of the Company and its
Subsidiaries on a consolidated basis; (ix) all Attributable Indebtedness; and
(x) 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, the maximum liability of such Person for any such contingent
obligations at such date and, in the case of clause (vii), the lesser of (A) the
Fair Market Value of any asset subject to a Lien securing the Indebtedness of
others on the date that the Lien attaches and (B) the amount of the Indebtedness
secured. For purposes of the preceding sentence, the "maximum fixed redemption
or repurchase price" of any Disqualified Capital Stock that

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does not have a fixed redemption or repurchase price shall be calculated in
accordance with the terms of such Disqualified Capital Stock as if such
Disqualified Capital Stock were purchased or redeemed on any date on which
Indebtedness shall be required to be determined pursuant to the Indenture, and
if such price is based upon, or measured by, the fair market value of such
Disqualified Capital Stock (or any equity security for which it may be exchanged
or convened), such fair market value shall be determined in good faith by the
Board of Directors of such Person, which determination shall be evidenced by a
Board Resolution. "Indebtedness" shall include with respect to any receivables
facility under which the purchaser has recourse to such Person or any Restricted
Subsidiary of such Person, the sum of (a) the aggregate uncollected balances of
Accounts Receivable (as defined in the definition of "Receivables") transferred
("Transferred Receivables") in such Receivables Facility plus (b) the aggregate
amount of all collections of Transferred Receivables theretofore received by
such Person or a Subsidiary of such Person but not yet remitted to the
purchaser, net of all reserves or holdbacks retained by or for the benefit of
the purchaser and net of any interest retained by such Person and reasonable
costs and expenses (including fees and commissions and taxes other than income
taxes) incurred by such Person in connection therewith and not payable to any
Affiliate of such Person.

    "INDEPENDENT DIRECTOR" means a director of the Company who (i) is in fact
independent with respect to the transaction at issue; (ii) does not have any
direct financial interest or any material indirect financial interest in the
Company or any of its Subsidiaries, or in any Affiliate of the Company or any of
its Subsidiaries (other than as a result of holding securities of the Company);
and (iii) has not and whose Affiliates have not, at any time during the twelve
months prior to the taking of any action hereunder, directly or indirectly,
received, or entered into any understanding or agreement to receive, any
compensation, payment or other benefit, of any type or form, from the Company or
any of its Affiliates, other than customary directors' fees for serving on the
Board of Directors of the Company or any Affiliate and reimbursement of
out-of-pocket expenses for attendance at the Company's or Affiliate's board and
board committee meetings.

    "INDEPENDENT FINANCIAL ADVISOR" means an accounting, appraisal or investment
banking firm of nationally recognized standing that is, in the reasonable
judgment of the Company's Board of Directors, qualified to perform the task for
which it has been engaged and disinterested and independent with respect to the
Company and its Affiliates.

    "INVESTMENTS" of any Person means (i) all direct or indirect investments by
such Person in any other Person in the form of loans, advances or capital
contributions (excluding commission, travel and similar advances to officers and
employees made in the ordinary course of business) or other credit extensions
constituting Indebtedness of such other Person, and any Guarantee of
Indebtedness of any other Person, (ii) all purchases (or other acquisitions for
consideration) by such Person of Indebtedness, Capital Stock or other securities
of any other Person and (iii) all other items that would be classified as
investments (including purchases of assets outside the ordinary course of
business) on a balance sheet of such Person prepared in accordance with GAAP.
Except as otherwise expressly specified herein, the amount of any Investment
(other than an Investment made in cash) shall be the fair market value thereof
on the date such Investment is made. If the Company or any Subsidiary sells or
otherwise disposes of any Capital Stock of any direct or indirect Subsidiary
such that, after giving effect to any such sale or disposition, such Person is
no longer a Subsidiary, the Company shall be deemed to have made an Investment
on the date of any such sale or other disposition equal to the Fair Market Value
of the Capital Stock of and all other Investments in such Subsidiary not sold or
disposed of, which amount shall be determined by the Board of Directors.

    "ISSUE DATE" means the date on which the initial $125.0 million in Notes are
issued.

    "LIEN" means, with respect to any asset or property, any mortgage, deed of
trust, lien (statutory or other), pledge, lease, easement, restriction,
covenant, charge, security interest or other encumbrance of any kind or nature
in respect of such asset or property, whether or not filed, recorded or
otherwise

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perfected under applicable law, including any conditional sale or other title
retention agreement, and any lease in the nature thereof (including mortgages or
liens that are or would be deemed to exist on property subject to leases in
effect on January 31, 1999 which mortgages or liens are or under GAAP should be
recorded as Capital Leases), any option or other agreement to sell, and any
filing of, or agreement to give, any financing statement under the Uniform
Commercial Code (or equivalent statutes) of any jurisdiction (other than
cautionary filings in respect of operating leases).

    "MOODY'S" means Moody's Investors Service, Inc., and its successors.

    "NET AVAILABLE PROCEEDS" means, with respect to any Asset Sale, the proceeds
thereof in the form of cash or Cash Equivalents including payments in respect of
deferred payment obligations when received in the form of cash or Cash
Equivalents (except to the extent that such obligations are financed or sold
with recourse to the Company or any Restricted Subsidiary), net of (i) brokerage
commissions and other fees and expenses (including fees and expenses of legal
counsel, accountants and investment banks) related to such Asset Sale, (ii)
provisions for all taxes payable as a result of such Asset Sale (after taking
into account any available tax credits or deductions and any tax sharing
arrangements), (iii) amounts required to be paid to any Person (other than the
Company or any Restricted Subsidiary) owning a beneficial interest in the
properties or assets subject to the Asset Sale or having a Lien therein and (iv)
appropriate amounts to be provided by the Company or any Restricted Subsidiary,
as the case may be, as a reserve required in accordance with GAAP against any
liabilities associated with such Asset Sale and retained by the Company or any
Restricted Subsidiary, as the case may be, after such Asset Sale, including
pensions and other postemployment benefit liabilities, liabilities related to
environmental matters and liabilities under any indemnification obligations
associated with such Asset Sale, all as reflected in an Officers' Certificate
delivered to the Trustee; PROVIDED, HOWEVER, that any amounts remaining after
adjustments, revaluations or liquidations of such reserves shall constitute Net
Available Proceeds.

    "NON-RECOURSE PURCHASE MONEY INDEBTEDNESS" means Indebtedness of the Company
or any of its Restricted Subsidiaries incurred to finance the purchase of any
assets of the Company or any of its Subsidiaries within 90 days of such
purchase, (a) to the extent the amount of Indebtedness thereunder does not
exceed 100% of the purchase cost of such assets, (b) to the extent the purchase
cost of such assets is or should be included in "additions to property, plant
and equipment" in accordance with GAAP, and (c) to the extent that the lenders
thereunder expressly agree in the related documentation that such Indebtedness
is non-recourse to the Company and its Restricted Subsidiaries and their
respective assets, other than the assets so purchased.

    "OBLIGATION" means any principal, interest (including, in the case of Senior
Indebtedness or Subsidiary Guarantor Senior Indebtedness, interest accruing
subsequent to the filing of a petition in bankruptcy or insolvency at the rate
specified in the document relating to such Indebtedness, whether or not such
interest is an allowed claim permitted to be enforced against the obligor under
applicable law), penalties, fees, indemnification, reimbursements, costs,
expenses, damages and other liabilities payable under the documentation
governing any Indebtedness.

    "OFFICER" means any of the following of the Company: the Chairman of the
Board of Directors, the Chief Executive Officer, the Chief Financial Officer,
the President, any Vice President, the Treasurer or the Secretary.

    "OFFICERS' CERTIFICATE" means a certificate signed by two Officers.

    "PARI PASSU INDEBTEDNESS" means any Indebtedness of the Company that ranks
PARI PASSU with the Notes.

    "PAYMENT RESTRICTION" with respect to a Subsidiary of any Person, means any
encumbrance, restriction or limitation, whether by operation of the terms of its
charter or by reason of any agreement, instrument, judgment, decree, order,
statute, rule or governmental regulation, on the ability

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of (i) such Subsidiary to (a) pay dividends or make other distributions on its
Capital Stock or make payments on any obligation, liability or Indebtedness owed
to such Person or any other Subsidiary of such Person, (b) make loans or
advances to such Person or any other Subsidiary of such Person, (c) Guarantee
any Indebtedness of the Company or any Restricted Subsidiary, or (d) transfer
any of its properties or assets to such Person or any other Subsidiary of such
Person (other than customary restrictions on transfers of property subject to a
Lien permitted under the Indenture) or (ii) such Person or any other Subsidiary
of such Person to receive or retain any such dividends, distributions or
payments, loans or advances, Guarantees or transfer of properties or assets.

    "PERMITTED INDEBTEDNESS" means any of the following:

        (i) Indebtedness of the Company and any Subsidiary Guarantor under
    Credit Facilities in an aggregate principal amount (or face amount, in the
    case of letters of credit) at any time outstanding not to exceed the sum of
    (a) $200.0 million, less the amount thereof that has been repaid (or the
    amount of any permanent commitment reduction) under the covenant described
    under "--Limitations on Asset Sales" and (b) the greater of (x) $240.0
    million, less the amount thereof that has been repaid (or the amount of any
    permanent commitment reduction) under the covenant described under
    "--Limitations on Asset Sales," and (y) the sum of 80% of the book value of
    the accounts receivable and 50% of inventory of the Company and its
    Restricted Subsidiaries, calculated on a consolidated basis and in
    accordance with GAAP;

        (ii) Indebtedness under the Notes (other than any Additional Notes), the
    Subsidiary Guarantees and the Indenture;

       (iii) Indebtedness of the Company and its Restricted Subsidiaries
    outstanding on the Issue Date and described in this Offering Memorandum
    (other than Indebtedness referred to in clauses (i) and (ii) above, and
    after giving effect to the intended use of proceeds of the Notes);

        (iv) Indebtedness under Hedging Obligations; PROVIDED that (1) such
    Hedging Obligations are related to payment obligations on Permitted
    Indebtedness or Indebtedness otherwise permitted by the "Limitations on
    Additional Indebtedness" covenant, and (2) the notional principal amount of
    such Hedging Obligations at the time incurred does not exceed the principal
    amount of such Indebtedness to which such Hedging Obligations relate;

        (v) Indebtedness of the Company to a Subsidiary Guarantor and
    Indebtedness of any Subsidiary Guarantor to the Company or any other
    Subsidiary Guarantor; PROVIDED, HOWEVER, that upon either (1) the subsequent
    issuance (other than directors' qualifying shares), sale, transfer or other
    disposition of any Capital Stock or any other event which results in any
    such Subsidiary Guarantor ceasing to be a Subsidiary Guarantor or (2) the
    transfer or other disposition of any such Indebtedness (except to the
    Company or a Subsidiary Guarantor), the provisions of this clause (v) shall
    no longer be applicable to such Indebtedness and such Indebtedness shall be
    deemed, in each case, to be incurred and shall be treated as an incurrence
    for purposes of the "Limitations on Additional Indebtedness" covenant at the
    time the Subsidiary Guarantor in question ceased to be a Subsidiary
    Guarantor or the time such transfer or other disposition occurred;

        (vi) Guarantees by Subsidiary Guarantors of Indebtedness of the Company
    permitted to be incurred by clause (ii) of the proviso to the "Limitations
    on Additional Indebtedness" covenant;

       (vii) Indebtedness in respect of bid, performance or surety bonds issued
    for the account of the Company in the ordinary course of business, including
    Guarantees or obligations of the Company with respect to letters of credit
    supporting such bid, performance or surety obligations (in each case other
    than for an obligation for money borrowed);

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      (viii)  Indebtedness incurred by the Company or any Restricted Subsidiary
    in respect of (a) Non-Recourse Purchase Money Indebtedness, or (b) other
    purchase money Indebtedness (including Capitalized Leases) incurred for the
    purpose of financing all or any part of the purchase price of property,
    plant or equipment used in the business of the Company or such Restricted
    Subsidiary within 90 days of such purchase, PROVIDED the aggregate principal
    amount of such Indebtedness under this clause (b) does not exceed $10.0
    million at any time outstanding;

        (ix) Refinancing Indebtedness with respect to Indebtedness incurred
    pursuant to clause (ii), (iii) or (viii) above; and

        (x) Indebtedness of the Company and the Subsidiary Guarantors, other
    than Indebtedness incurred pursuant to the foregoing clauses of this
    definition, with an aggregate principal face or stated amount (as
    applicable) at any time outstanding for all such Indebtedness incurred
    pursuant to this clause not in excess of $10.0 million.

    "PERMITTED JUNIOR SECURITIES" means (i) capital stock of the Company (other
than Disqualified Capital Stock), (ii) securities of the Company, any Subsidiary
Guarantor or any other corporation authorized by an order or decree giving
effect, and stating in such order or decree that effect is given, to the
subordination of the Notes or Subsidiary Guarantee to the Senior Indebtedness or
Subsidiary Guarantor Senior Indebtedness, and made by a court of competent
jurisdiction in a reorganization proceeding under any applicable bankruptcy,
insolvency or other similar law, or (iii) any securities of the Company or any
Subsidiary Guarantor provided for by a plan of reorganization or readjustment
that are subordinated in right of payment to all Senior Indebtedness or
Subsidiary Guarantor Senior Indebtedness that may at the time be outstanding to
substantially the same extent as, or to a greater extent than, the Notes or
Subsidiary Guarantee are subordinated to Senior Indebtedness or Subsidiary
Guarantor Senior Indebtedness.

    "PERMITTED SALE OR ISSUANCE" means (i) any sale by the Company of Capital
Stock of a Restricted Subsidiary or (ii) any issuance by a Restricted Subsidiary
of its Capital Stock, in each case in a single transaction or series of
substantially contemporaneous related transactions, provided that (a)
immediately following such sale or issuance, the Company and its Restricted
Subsidiaries own, in the aggregate, no more than 10% of any class of Capital
Stock of such former Subsidiary, and (b) the remaining ownership interest in
such former Subsidiary shall be deemed to be the making of a Restricted
Investment in the amount set forth in the definition of "Investment" and the
Company and its Restricted Subsidiaries is able to make such Restricted
Investment at the time of such sale or issuance under the "Limitations on
Restricted Payments" covenant.

    "PERSON" means any individual, corporation, partnership, limited liability
company, joint venture, incorporated or unincorporated association, joint-stock
company, trust, unincorporated organization or government or other agency or
political subdivision thereof or other entity of any kind.

    "PLAN OF LIQUIDATION" with respect to any Person, means a plan that provides
for, contemplates or the effectuation of which is preceded or accompanied by
(whether or not substantially contemporaneously, in phases or otherwise): (i)
the sale, lease, conveyance or other disposition of all or substantially all of
the assets of such Person otherwise than as an entirety or substantially as an
entirety; and (ii) the distribution of all or substantially all of the proceeds
of such sale, lease, conveyance or other disposition of all or substantially all
of the remaining assets of such Person to holders of Capital Stock of such
Person.

    "PREFERRED STOCK" means, with respect to any Person, any and all preferred
or preference stock or other equity interests (however designated) of such
Person whether now outstanding or issued after the Issue Date.

    "QUALIFYING JOINT VENTURE INVESTMENT" means (i) any Existing Joint Venture
Investment or (ii) any Restricted Investment made after the Issue Date into a
joint venture, or a Subsidiary that is not a

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Subsidiary Guarantor, engaged in a Related Business, provided the amount of such
Investment, when made, reduced the amount available for subsequent Restricted
Payments under clause (iii) of the first paragraph of the "Limitations on
Restricted Payments" covenant.

    "QUALIFYING RECEIVABLES FACILITY" means any Receivables Facility, provided
that (a) consideration in an amount at least equal to the fair market value of
the Receivables sold in such facility is received, directly or indirectly, by
the Company or any of its Restricted Subsidiaries, and (b) all the net cash
proceeds of such facility are remitted to the Company or any Restricted
Subsidiary.

    "RECEIVABLES" means, collectively, (a) the Indebtedness and other
obligations owed to the Company or any of its Subsidiaries (before giving effect
to any sale or transfer thereof pursuant to a Receivables Facility), whether
constituting an account, chattel paper, an instrument, a document or general
intangible, arising in connection with the sale of goods and/or services by the
Company or such Subsidiary, including the obligation to pay any late fees,
interest or other finance charges with respect thereto (each of the foregoing,
collectively, an "Account Receivable"), (b) all of the Company's or such
Subsidiary's interest in the goods (including returned goods), if any, the sale
of which gave rise to any Account Receivable, and all insurance contracts with
respect thereto, (c) all other security interests or Liens and property subject
thereto from time to time, if any, purporting to secure payment of any Account
Receivable, together with all financing statements and security agreements
describing any collateral securing such Account Receivable, (d) all Guarantees,
insurance and other agreements or arrangements of whatever character from time
to time supporting or securing payment of any Account Receivable, (e) all
contracts, invoices, books and records of any kind related to any Account
Receivable, (f) all cash collections in respect of, and cash proceeds of, any of
the foregoing and any and all lockboxes, lockbox accounts, collection accounts,
concentration accounts and similar accounts in or into which such collections
and cash proceeds are now or hereafter deposited, collected or concentrated, and
(g) all proceeds of any of the foregoing.

    "RECEIVABLES FACILITY" means, with respect to any Person, any Receivables
securitization or factoring program pursuant to which such Person receives
proceeds pursuant to a sale, pledge or other encumbrance of its Receivables. A
Receivables Facility involving the sale, pledge or other encumbrance of
Receivables of, and the direct or indirect receipt of the proceeds thereof by,
the Company or any Restricted Subsidiary thereof shall constitute a Receivables
Facility of the "Company" and/or its "Restricted Subsidiaries" whether or not as
part of such securitization or factoring program such Receivables are initially
contributed or otherwise transferred to an Unrestricted Subsidiary of the
Company (and then resold or encumbered by such Unrestricted Subsidiary).

    "RECEIVABLES SUBSIDIARY" means any Subsidiary created primarily to purchase
or finance the Receivables of the Company and/or its Subsidiaries pursuant to a
Receivables Facility, so long as (i) no portion of the Indebtedness or any other
obligation (contingent or otherwise) of such Subsidiary (a) is Guaranteed by the
Company or any Restricted Subsidiary, (b) is recourse to the Company or any
Restricted Subsidiary or (c) subjects any property or asset of the Company or
any Restricted Subsidiary, directly or indirectly, contingently or otherwise, to
the satisfaction thereof and (ii) no default or event of default with respect to
any Indebtedness of such Subsidiary would permit any holder of any Indebtedness
of the Company or any Restricted Subsidiary (other than the Notes) to declare
such Indebtedness of the Company or any Restricted Subsidiary due and payable
prior to its maturity. If, at any time, such Receivables Subsidiary would fail
to meet the foregoing requirements as a Receivables Subsidiary, it shall
thereafter cease to be a Receivables Subsidiary for purposes of the Indenture
and any Indebtedness of such Receivables Subsidiary shall be deemed to be
incurred by a Subsidiary of the Company as of such date (and, if such
Indebtedness is not permitted to be incurred as of such date under the
"Limitations on Indebtedness" covenant, the Company shall be in default of such
covenant).

    "REFINANCING INDEBTEDNESS" means Indebtedness of the Company or a Restricted
Subsidiary issued in exchange for, or the proceeds from the issuance and sale or
disbursement of which are used

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substantially concurrently to repay, redeem, refund, refinance, discharge or
otherwise retire for value, in whole or in part (collectively, "repay"), or
constituting an amendment, modification or supplement to or a deferral or
renewal of (collectively, an "amendment"), any Indebtedness of the Company or
any Restricted Subsidiary (the "Refinanced Indebtedness") in a principal amount
not in excess of the principal amount of the Refinanced Indebtedness so repaid
or amended (or, if such Refinancing Indebtedness refinances Indebtedness under a
revolving credit facility or other agreement providing a commitment for
subsequent borrowings, with a maximum commitment not to exceed the maximum
commitment under such revolving credit facility or other agreement); PROVIDED
that: (i) the Refinancing Indebtedness is the obligation of the same Person as
that of the Refinanced Indebtedness, (ii) if the Refinanced Indebtedness was
subordinated to or PARI PASSU with the Note Indebtedness or the Subsidiary
Guarantee Indebtedness, as the case may be, then such Refinancing Indebtedness,
by its terms, is expressly PARI PASSU with (in the case of Refinanced
Indebtedness that was PARI PASSU with) or subordinate in right of payment to (in
the case of Refinanced Indebtedness that was subordinated to) the Note
Indebtedness or the Subsidiary Guarantee Indebtedness, as the case may be, at
least to the same extent as the Refinanced Indebtedness; (iii) the Refinancing
Indebtedness is scheduled to mature either (a) no earlier than the Refinanced
Indebtedness being repaid or amended or (b) after the maturity date of the
Notes; (iv) the portion, if any, of the Refinancing Indebtedness that is
scheduled to mature on or prior to the maturity date of the Notes has a Weighted
Average Life to Maturity at the time such Refinancing Indebtedness is incurred
that is equal to or greater than the Weighted Average Life to Maturity of the
portion of the Refinanced Indebtedness being repaid that is scheduled to mature
on or prior to the maturity date of the Notes; and (v) the Refinancing
Indebtedness is secured only to the extent, if at all, and by the assets, that
the Refinanced Indebtedness being repaid or amended is secured.

    "RELATED BUSINESS" means any business or industry in which the Company and
its Subsidiaries operate on the Issue Date, or that is reasonably related or
complementary to the business of the Company and its Subsidiaries as such
business exists on the Issue Date.

    "RELATED BUSINESS INVESTMENT" means any Investment directly by the Company
or its Restricted Subsidiaries in any Related Business.

    "RESTRICTED DEBT PAYMENT" means any prepayment, purchase, redemption,
defeasance (including covenant defeasance or legal defeasance) or other
acquisition or retirement for value, directly or indirectly, by the Company or a
Restricted Subsidiary, prior to the scheduled maturity or prior to any scheduled
repayment of principal or sinking fund payment, as the case may be, in respect
of Subordinated Indebtedness.

    "RESTRICTED INVESTMENT" means any Investment by the Company or any
Restricted Subsidiary, except (i) an Investment in Cash Equivalents, (ii) an
Investment in a Subsidiary Guarantor, and (iii) an Investment by the Company or
any Restricted Subsidiary of the Company in a Person, if as a result of such
Investment (a) such Person becomes a Subsidiary Guarantor or (b) such Person, in
one transaction or a series of substantially concurrent related transactions, is
merged, consolidated or amalgamated with or into, or transfers or conveys
substantially all of its assets to, or is liquidated into, the Company or a
Subsidiary Guarantor.

    "RESTRICTED PAYMENT" means with respect to any Person: (i) the declaration
or payment of any dividend (other than a dividend declared by a Wholly-Owned
Restricted Subsidiary to holders of its Common Equity) or the making of any
other payment or distribution of cash, securities or other property or assets in
respect of such Person's Capital Stock (except that a dividend payable solely in
Capital Stock (other than Disqualified Capital Stock) of such Person shall not
constitute a Restricted Payment); (ii) any payment on account of the purchase,
redemption, retirement or other acquisition for value of such Person's Capital
Stock (or, in the case of the Company, the Capital Stock of any Subsidiary
Guarantor or, in the case of any Restricted Subsidiary, the Capital Stock of the
Company or

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any Subsidiary Guarantor) or any other payment or distribution made in respect
of any such Capital Stock, either directly or indirectly (other than a payment
solely in Capital Stock that is not Disqualified Capital Stock); (iii) any
Restricted Investment; or (iv) any Restricted Debt Payment.

    "RESTRICTED SUBSIDIARY" means any Subsidiary of the Company other than an
Unrestricted Subsidiary.

    "S&P" means Standard & Poor's Ratings Services, a division of the
McGraw-Hill Companies, Inc., and its successors.

    "SALE AND LEASEBACK TRANSACTIONS" means with respect to any Person an
arrangement with any bank, insurance company or other lender or investor or to
which such lender or investor is a party, providing for the leasing by such
Person of any property or asset of such Person which has been or is being sold
or transferred by such Person to such lender or investor or to any Person to
whom funds have been or are to be advanced by such lender or investor on the
security of such property or asset.

    "SECRETARY'S CERTIFICATE" means a certificate signed by the Secretary of the
Company.

    "SECURITIES ACT" means the U.S. Securities Act of 1933.

    "SENIOR INDEBTEDNESS" means all Indebtedness and other Obligations specified
below payable directly or indirectly by the Company, whether outstanding on the
Issue Date or thereafter created, incurred or assumed by the Company: (i) the
principal of and interest on and all other Obligations under the Credit
Agreement (including all loans, letters of credit and unpaid drawings with
respect thereto and other extensions of credit under the Credit Agreement, and
all expenses, fees, reimbursements, indemnities and other amounts owing pursuant
to the Credit Agreement), (ii) amounts payable in respect of any Hedging
Obligations with respect to Senior Indebtedness, and (iii) all other
Indebtedness of the Company referred to in clauses (i), (ii), (iii), (iv), (vi)
and (vii) of the definition of "Indebtedness" and all Guarantees of the Company
of any such Indebtedness, in each case to the extent not prohibited by the
"Limitations on Additional Indebtedness" covenant, provided such Indebtedness is
not expressly PARI PASSU with, or subordinated to, the Notes. Notwithstanding
anything to the contrary in the foregoing Senior Indebtedness will not include
(a) any Indebtedness which by the express terms of the agreement or instrument
creating, evidencing or governing the same is junior or subordinate in right of
payment to any item of Senior Indebtedness, (b) any trade payable or accrued
expense arising from the purchase of goods or materials or for services obtained
in the ordinary course of business, (c) Indebtedness incurred (but only to the
extent incurred) in violation of the Indenture as in effect at the time of the
respective incurrence, (d) any Indebtedness of the Company that, when incurred,
was without recourse to the Company, (e) any Indebtedness to any employee of the
Company or any of its respective Subsidiaries, (f) any Indebtedness of the
Company to any of its Subsidiaries or Affiliates of the Company (including any
of their respective officers or directors) or (g) any liability for taxes owed
or owing by the Company.

    "SIGNIFICANT SUBSIDIARY" means any Subsidiary of the Company that would be a
"Significant Subsidiary" as defined in Article 1, Rule 1-02 of Regulation S-X,
promulgated pursuant to the Securities Act as such Regulation is in effect on
the Issue Date.

    "SPECIAL INTEREST" means special interest as set forth in the Registration
Rights Agreement.

    "SUBORDINATED INDEBTEDNESS" means Indebtedness of the Company or any
Restricted Subsidiary that is subordinated in right of payment to the Notes or
the Subsidiary Guarantees, respectively.

    "SUBSIDIARY" of any Person means (i) any corporation of which at least a
majority of the aggregate voting power of all classes of the Common Equity is
owned by such Person directly or through one or more other Subsidiaries of such
Person and (ii) any entity other than a corporation in which such Person,
directly or indirectly, owns at least a majority of the Common Equity of such
entity. Unless otherwise specified, "Subsidiary" means a Subsidiary of the
Company.

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    "SUBSIDIARY GUARANTEES" mean the guarantees endorsed on the notes by the
Subsidiary Guarantors.

    "SUBSIDIARY GUARANTOR SENIOR INDEBTEDNESS" means all Indebtedness and other
Obligations specified below payable directly or indirectly by any Subsidiary
Guarantor, whether outstanding on the Issue Date or thereafter created, incurred
or assumed by such Subsidiary Guarantor: (i) the Guarantees by any Subsidiary
Guarantor of principal of and interest on and all other Obligations under the
Credit Agreement (including all loans, letters of credit and unpaid drawings
with respect thereto and other extensions of credit under the Credit Agreement,
and all expenses, fees, reimbursements, indemnities and other amounts owing
pursuant to the Credit Agreement), (ii) amounts payable in respect of any
Hedging Obligations with respect to Subsidiary Guarantor Senior Indebtedness,
and (iii) all other Indebtedness of a Subsidiary Guarantor referred to in
clauses (i), (ii), (iii), (iv), (vi) and (vii) of the definition of
"Indebtedness" and all Guarantees of any such Indebtedness of the Company or any
Subsidiary Guarantor, in each case to the extent not prohibited under the
"Limitations on Additional Indebtedness" covenant, provided such Indebtedness is
not expressly PARI PASSU with, or subordinated to, the Notes. Notwithstanding
anything to the contrary in the foregoing, Senior Indebtedness will not include
(a) any Indebtedness which by the express terms of the agreement or instrument
creating, evidencing or governing the same is junior or subordinate in right of
payment to any item of Subsidiary Guarantor Senior Indebtedness, (b) any trade
payable or accrued expense arising from the purchase of goods or materials or
for services obtained in the ordinary course of business, (c) Indebtedness
incurred (but only to the extent incurred) in violation of the Indenture as in
effect at the time of the respective incurrence, (d) any Indebtedness of a
Subsidiary Guarantor that, when incurred, was without recourse to such
Subsidiary Guarantor, (e) any Indebtedness to any employee of a Subsidiary
Guarantor or the Company or any of its respective Subsidiaries, (f) any
Indebtedness of a Subsidiary Guarantor to the Company or any of its Subsidiaries
or Affiliates (including any of their respective officers or directors) or (g)
any liability for taxes owed or owing by the Subsidiary Guarantor.

    "SUBSIDIARY GUARANTORS" means each Restricted Subsidiary of the Company on
the Issue Date, and each other Person who is required to become a Subsidiary
Guarantor by the terms of the Indenture after the Issue Date (or whom the
Company otherwise causes to become a Subsidiary Guarantor).

    "UNRESTRICTED SUBSIDIARY" means (i) any Subsidiary that at the time of
determination shall be designated an Unrestricted Subsidiary by the Board of
Directors of the Company in the manner provided below and (ii) any Subsidiary of
an Unrestricted Subsidiary. Initially, BSM is designated an Unrestricted
Subsidiary. The Board of Directors of the Company may designate any Restricted
Subsidiary to be an Unrestricted Subsidiary, and any such designation shall be
deemed to be a Restricted Investment at the time of and immediately upon such
designation by the Company and its Restricted Subsidiaries in the amount of the
Consolidated Net Worth of such designated Subsidiary and its consolidated
Subsidiaries at such time; PROVIDED that such designation shall be permitted
only if (A) the Company and its Restricted Subsidiaries would be able to make
the Restricted Investment deemed made pursuant to such designation at such time,
(B) no portion of the Indebtedness or any other obligation (contingent or
otherwise) of such Subsidiary (x) is Guaranteed by the Company or any Restricted
Subsidiary, (y) is recourse to the Company or any Restricted Subsidiary or (z)
subjects any property or asset of the Company or any Restricted Subsidiary,
directly or indirectly, contingently or otherwise, to the satisfaction thereof
and (C) no default or event of default with respect to any Indebtedness of such
Subsidiary would permit any holder of any Indebtedness of the Company or any
Restricted Subsidiary (other than the Notes) to declare such Indebtedness of the
Company or any Restricted Subsidiary due and payable prior to its maturity. The
Board of Directors of the Company may designate any Unrestricted Subsidiary to
be a Restricted Subsidiary, and any such designation shall be deemed to be an
incurrence by the Company and its Subsidiaries of the Indebtedness (if any) of
such Subsidiary so designated for purposes of the "--Limitations on Additional
Indebtedness" covenant as of the date of such designation; PROVIDED that such
designation shall be permitted only if immediately after giving effect to such
designation and the incurrence of any such additional Indebtedness deemed

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to have been incurred thereby (x) the Company would meet the Coverage Ratio
Incurrence Condition and (y) no Default shall be continuing. Any such
designation by the Board of Directors described in the two preceding sentences
shall be evidenced to the Trustee by the filing with the Trustee of a certified
copy of the Board Resolution giving effect to such designation and an Officer's
Certificate certifying that such designation complied with the foregoing
conditions and setting forth the underlying calculations of such certificate.
If, at any time after being designated as such, any Unrestricted Subsidiary
fails to meet any of the requirements of the proviso of the second sentence of
this definition, it shall thereafter cease to be an Unrestricted Subsidiary for
purposes of the Indenture, such Subsidiary shall be deemed to have been acquired
on such date and any Indebtedness or Preferred Stock of and Investments made by
such Subsidiary shall be deemed to be incurred or acquired by a Restricted
Subsidiary as of such date (and, if such Indebtedness, Preferred Stock or
Investments are not permitted to be incurred, issued or acquired as of such date
under any of the covenants described under the caption "Covenants--Limitations
on Additional Indebtedness," "Limitation on Issuance of Subsidiary Preferred
Stock" or "--Limitations on Restricted Payments," as applicable, the Company
shall be in default of such covenant).

    "VOTING STOCK" with respect to any Person, means securities of any class of
Capital Stock of such Person entitling the holders thereof (whether at all times
or only so long as no senior class of stock or other relevant equity interest
has voting power by reason of any contingency) to vote in the election of
members of the board of directors of such Person.

    "WEIGHTED AVERAGE LIFE TO MATURITY" when applied to any Indebtedness at any
date, means the number of years obtained by dividing (i) the sum of the products
obtained by multiplying (a) the amount of each then remaining installment,
sinking fund, serial maturity or other required payment of principal, including
payment at final maturity, in respect thereof by (b) the number of years
(calculated to the nearest one-twelfth) that will elapse between such date and
the making of such payment by (ii) the then outstanding principal amount of such
Indebtedness.

    "WHOLLY-OWNED RESTRICTED SUBSIDIARY" means a Restricted Subsidiary of which
100% of the Capital Stock (except for directors' qualifying shares or certain
minority interests owned by other Persons solely due to local law requirements
that there be more than one stockholder, but which interest is not in excess of
what is required for such purpose) is owned directly by the Company or through
one or more Wholly-Owned Restricted Subsidiaries.

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                     U.S. FEDERAL INCOME TAX CONSIDERATIONS

    The following is a discussion of material United States federal income tax
consequences relevant to the exchange of Series A notes for Series B notes. The
U.S. federal income tax considerations discussed below are based upon currently
existing provisions of the Internal Revenue Code of 1986, applicable Treasury
Regulations, judicial authority and current administrative rulings and
pronouncements of the IRS. We can give you no assurance that the IRS will not
take a contrary view, and we have not asked, and do not intend to ask, for a
ruling from the IRS on these issues. Legislative, judicial or administrative
changes or interpretations may be forthcoming that could alter or modify the
statements and conclusions made below. Any changes or interpretations may or may
not be retroactive and could affect the tax consequences discussed below. The
description below does not consider the effect of any applicable foreign, state,
local or other tax laws or estate of gift tax considerations.

    BECAUSE INDIVIDUAL CIRCUMSTANCES MAY DIFFER, EACH HOLDER OF THE NOTES IS
STRONGLY URGED TO CONSULT HIS OR HER OWN TAX ADVISOR WITH RESPECT TO HIS OR HER
PARTICULAR TAX SITUATION AND AS TO ANY FEDERAL, FOREIGN, STATE, LOCAL OR OTHER
TAX CONSIDERATIONS (INCLUDING ANY POSSIBLE CHANGES IN TAX LAW) AFFECTING THE
PURCHASE, HOLDING AND DISPOSITION OF THE NOTES.

    The exchange of Series A notes for Series B notes in the exchange offer
should not constitute a sale or an exchange for federal income tax purposes.
Accordingly, this exchange should have no federal income tax consequences to
you. You should have a basis in the Series B notes equal to the basis of your
Series A notes and your holding period for the Series B notes should include the
period during which you held your Series A notes.

    A holder who does not tender his Series A notes will not recognize any gain
or loss for federal income tax purposes from the exchange offer.

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                              PLAN OF DISTRIBUTION

    Based on an interpretation by the staff of the SEC provided in no action
letters issued to third parties in similar transactions, we believe that Series
B notes issued in the exchange offer in exchange for Series A notes may be
offered for resale, resold or otherwise transferred by holders, other than any
holder that is our "affiliate" within the meaning of Rule 405 under the
Securities Act, without compliance with the registration and prospectus delivery
provisions of the Securities Act. This applies, however, only if Series B notes
are acquired in the ordinary course of the holders' business and the holders
have no arrangement with any person to participate in the distribution of the
Series B notes. We refer you to the "Morgan Stanley & Co. Inc." SEC No-Action
Letter available June 5, 1991, "Exxon Capital Holdings Corporation" SEC
No-Action Letter available May 13, 1988 and "Shearman & Sterling" SEC No-Action
Letter available July 2, 1993 for support of our belief.

    Each broker-dealer that receives Series B notes for its own account in the
exchange offer must acknowledge that it will deliver a prospectus with any
resale of the Series B notes. This prospectus may be used by a broker-dealer in
connection with resales of Series B notes received in exchange for Series A
notes where the Series A notes were acquired as a result of market-making
activities or other trading activities. We have agreed that, for a period of 180
days after the exchange offer begins, we will make this prospectus, as amended
or supplemented, available to any broker-dealer for use in connection with any
such resale.

    Series B notes received by a broker-dealer for its own accounts in 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 of the Series B notes or a combination of these methods of resale, at
market prices prevailing at the time of resale, at prices related to the
prevailing market prices or negotiated prices. Any resale may be made directly
to purchasers or to or through brokers or dealers who my receive compensation in
the form of commissions or concessions from any such broker-dealer or the
purchasers of any of the Series B notes. Any broker-dealer that resells Series B
notes that were received by it for its own account and any broker or dealer that
participates in a distribution of Series B notes may be deemed to be an
underwriter within the Securities Act, and any profit on any resale of Series B
notes, commissions or concessions received by any of these persons may be
underwriting compensation under the Securities Act.

    The letter of transmittal states that by acknowledging that it will deliver
and by delivering a prospectus meeting the requirements of the Securities Act, a
broker-dealer will not be admitting that it is an underwriter within the meaning
of the Securities Act.

    We have agreed to pay all expenses incident to the exchange offer, including
the expenses of one counsel for the holders of the Series A notes, other than
commissions or concessions of any broker-dealers. We have agreed to indemnify
holders of the notes, including any broker-dealers, against some liabilities,
including some liabilities under the Securities Act.

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                                 LEGAL MATTERS

    The validity of the Notes offered hereby is being passed upon for us by
Gardere & Wynne, L.L.P., Dallas, Texas. Partners of Gardere & Wynne, L.L.P., who
participated in the preparation of this prospectus beneficially own 16,000
shares of our common stock.

                                    EXPERTS

    The (1) consolidated financial statements and related financial statement
schedule of NCI Building Systems, Inc. as of October 31, 1998 and 1997, and for
each of the three years in the period ended October 31, 1998, and (2)
consolidated financial statements of Amatek Holdings, Inc. and subsidiaries as
of December 31, 1997 and 1996, and for each of the three years in the period
ended December 31, 1997, appearing or incorporated by reference in this
prospectus and registration statement have been audited by Ernst & Young LLP,
independent auditors, as set forth in their reports thereon appearing elsewhere
or incorporated by reference herein, and are included in reliance upon such
reports given upon the authority of such firm as experts in accounting and
auditing.

                      WHERE YOU CAN FIND MORE INFORMATION

    We file annual, quarterly and special reports, proxy statements and other
information with the SEC. You may read and copy any document we file at the
SEC's public reference room at 450 Fifth Street, N.W., Washington, D.C. 20549,
as well as at public reference rooms in New York, New York and Chicago,
Illinois. Please call the SEC at 1-800-SEC-0330 for further information on the
public reference rooms. Our SEC filings are also available to the public from
the SEC's Website at "http://www.sec.gov."

    We have filed with the SEC a registration statement on Form S-4 to register
the Series B notes. This prospectus is part of the registration statement. This
prospectus does not include all the information contained in the registration
statement. For further information about us and the Series B notes, you should
review the registration statement. You can inspect or copy the registration
statement, at prescribed rates, at the SEC's public facilities or obtain a copy
from the SEC's Website.

    The SEC allows us to "incorporate by reference" the information we file with
them, which means that we can disclose important information to you by referring
you to those documents. The information incorporated by reference is considered
to be part of this prospectus, and information that we file later with the SEC
will automatically update and supersede this information. We incorporate by
reference the documents listed below and any future filings we will make with
the SEC under Sections 13(a), 13(c), 14 or 15(d) of the Exchange Act:

        (1) our Annual Report on Form 10-K for the fiscal year ended October 31,
    1998, including the information required by Item 402 (executive
    compensation) and Item 404 (certain relationships and related transactions)
    from our Proxy Statement dated February 2, 1999, filed in definitive form on
    February 1, 1999;

        (2) our Quarterly Report on Form 10-Q for the fiscal quarter ended
    January 31, 1999;

        (3) our Current Report on Form 8-K relating to the proposed offering of
    the Series A notes and filed with the SEC on April 30, 1999;

        (4) our Current Report on Form 8-K relating to the completion of the
    offering of the Series A notes and filed with the SEC on May 10, 1999;

        (5) the description of our capital stock contained in our Registration
    Statement on Form 8-A filed with the SEC on July 20, 1998; and

                                      105
<PAGE>
        (6) the description of our preferred stock purchase rights contained in
    our Registration Statement on Form 8-A filed with the SEC on July 20, 1998.

    You may request a copy of these filings, at no cost, by writing or
telephoning Robert J. Medlock, our Executive Vice President and Chief Financial
Officer, at the following address:

                               NCI Building Systems, Inc.
                               7301 Fairview
                               Houston, TX 77041
                               (713) 466-7788

                                      106
<PAGE>
                         INDEX TO FINANCIAL STATEMENTS

<TABLE>
<CAPTION>
                                                                                                               PAGE
                                                                                                             ---------
<S>                                                                                                          <C>
Consolidated Financial Statements of NCI:
  Report of Ernst & Young LLP..............................................................................        F-2
  Consolidated Balance Sheets--October 31, 1997 and 1998, and January 31, 1999 (Unaudited).................        F-3
  Consolidated Statements of Income--Years Ended October 31, 1996, 1997 and 1998, and for the Three Months
    Ended January 31, 1998 and 1999 (Unaudited)............................................................        F-4
  Consolidated Statements of Shareholders' Equity--Years Ended October 31, 1996, 1997 and 1998, and for the
    Three Months Ended January 31, 1999 (Unaudited)........................................................        F-5
  Consolidated Statements of Cash Flows--Years Ended October 31, 1996, 1997 and 1998, and for the Three
    Months Ended January 31, 1998 and 1999 (Unaudited).....................................................        F-6
  Notes to Consolidated Financial Statements...............................................................        F-7

Consolidated Financial Statements of Amatek:
  Report of Ernst & Young LLP..............................................................................       F-18
  Consolidated Balance Sheets--December 31, 1996 and 1997, and March 31, 1998 (Unaudited)..................       F-19
  Consolidated Statements of Operations--Years Ended December 31, 1995, 1996 and 1997, and for the Three
    Months Ended March 31, 1997 and 1998 (Unaudited).......................................................       F-20
  Consolidated Statements of Cash Flows--Years Ended December 31, 1995, 1996 and 1997, and for the Three
    Months Ended March 31, 1997 and 1998 (Unaudited).......................................................       F-21
  Consolidated Statements of Shareholder's Equity--Years Ended December 31, 1995, 1996 and 1997, and for
    the Three Months Ended March 31, 1998 (Unaudited)......................................................       F-22
  Notes to Consolidated Financial Statements...............................................................       F-23
</TABLE>

                                      F-1
<PAGE>
                         REPORT OF INDEPENDENT AUDITORS

The Board of Directors and Shareholders
NCI Building Systems, Inc.

    We have audited the accompanying consolidated balance sheets of NCI Building
Systems, Inc. as of October 31, 1998 and 1997, and the related consolidated
statements of income, shareholders' equity and cash flows for each of the three
years in the period ended October 31, 1998. These financial statements are the
responsibility of the Company's management. Our responsibility is to express an
opinion on these financial statements based on our audits.

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

    In our opinion, the financial statements referred to above present fairly,
in all material respects, the consolidated financial position of NCI Building
Systems, Inc. at October 31, 1998 and 1997 and the consolidated results of its
operations and its cash flows for each of the three years in the period ended
October 31, 1998, in conformity with generally accepted accounting principles.

                                          ERNST & YOUNG LLP

Houston, Texas
December 8, 1998

                                      F-2
<PAGE>
                           NCI BUILDING SYSTEMS, INC.

                          CONSOLIDATED BALANCE SHEETS

                                 (IN THOUSANDS)

<TABLE>
<CAPTION>
                                                                   OCTOBER 31,
                                                               --------------------  JANUARY 31,
                                                                 1997       1998        1999
                                                               ---------  ---------  -----------
                                                                                     (UNAUDITED)
<S>                                                            <C>        <C>        <C>
                                             ASSETS

Current assets:
  Cash and cash equivalents..................................  $  32,166  $   4,599   $   4,687
  Accounts receivable, net...................................     47,006     99,261      89,836
  Inventories................................................     37,381     78,001      89,058
  Deferred income taxes......................................      3,463      6,495       6,867
  Prepaid expenses...........................................        942      4,214       4,899
                                                               ---------  ---------  -----------

  Total current assets.......................................    120,958    192,570     195,347
Property, plant and equipment, net...........................     51,223    179,500     186,318
Excess of cost over fair value of acquired net assets........     21,072    413,288     404,548
Other assets, primarily investment in joint ventures.........      3,079     38,179      39,678
                                                               ---------  ---------  -----------

Total assets.................................................  $ 196,332  $ 823,537   $ 825,891
                                                               ---------  ---------  -----------
                                                               ---------  ---------  -----------

                              LIABILITIES AND SHAREHOLDERS' EQUITY

Current liabilities:
  Current portion of long-term debt..........................  $      47  $  31,297   $  31,297
  Accounts payable...........................................     23,921     62,694      60,422
  Accrued compensation and benefits..........................      9,688     16,261       7,629
  Other accrued expense......................................     10,556     23,925      24,119
                                                               ---------  ---------  -----------
  Total current liabilities..................................     44,212    134,177     123,467
Long-term debt, noncurrent portion...........................      1,679    444,477     445,364
Deferred income taxes........................................      2,626     21,271      21,389

Contingencies
Shareholders' equity:
  Preferred stock, $1 par value, 1,000 shares authorized,
    none outstanding.........................................         --         --          --
  Common Stock, $.01 par value, 50,000 shares authorized,
    8,126, 18,064 shares and 18,363 issued and outstanding,
    respectively.............................................         82        181         184
  Additional paid-in capital.................................     51,109     89,489      94,120
  Retained earnings..........................................     96,624    133,942     141,367
                                                               ---------  ---------  -----------
  Total shareholders' equity.................................    147,815    223,612     235,671
                                                               ---------  ---------  -----------
Total liabilities and shareholders' equity...................  $ 196,332  $ 823,537   $ 825,891
                                                               ---------  ---------  -----------
                                                               ---------  ---------  -----------
</TABLE>

                      See Independent Auditor's Report and
          Accompanying Notes to the Consolidated Financial Statements.

                                      F-3
<PAGE>
                           NCI BUILDING SYSTEMS, INC.

                       CONSOLIDATED STATEMENTS OF INCOME

                   (IN THOUSANDS, EXCEPT FOR PER SHARE DATA)

<TABLE>
<CAPTION>
                                                                                             THREE MONTHS ENDED
                                                                   OCTOBER 31,                   JANUARY 31,
                                                        ----------------------------------  ---------------------
                                                           1996        1997        1998       1998        1999
                                                        ----------  ----------  ----------  ---------  ----------
                                                                                                 (UNAUDITED)
<S>                                                     <C>         <C>         <C>         <C>        <C>
Sales.................................................  $  332,880  $  407,751  $  675,331  $  97,323  $  214,347
Cost of sales.........................................     241,374     299,407     497,862     71,886     160,070
                                                        ----------  ----------  ----------  ---------  ----------
  Gross profit........................................      91,506     108,344     177,469     25,437      54,277
                                                        ----------  ----------  ----------  ---------  ----------
Operating expenses....................................      53,095      66,055      94,040     16,641      32,070
Nonrecurring acquisition expenses.....................          --          --       2,060         --          --
                                                        ----------  ----------  ----------  ---------  ----------
  Income from operations..............................      38,411      42,289      81,369      8,796      22,207
Interest expense......................................        (108)       (163)    (20,756)       (47)     (9,751)
Other income..........................................       1,586       1,999         499        699         670
Joint venture income..................................          --          --         737         --          20
                                                        ----------  ----------  ----------  ---------  ----------
  Income before income taxes..........................      39,889      44,125      61,849      9,448      13,146
                                                        ----------  ----------  ----------  ---------  ----------
Provision (benefit) for income taxes
  Current.............................................      15,898      15,920      16,573      3,552       5,975
  Deferred............................................        (822)        318       7,958       (156)       (254)
                                                        ----------  ----------  ----------  ---------  ----------
Total income tax......................................      15,076      16,238      24,531      3,396       5,721
                                                        ----------  ----------  ----------  ---------  ----------
Net income............................................  $   24,813  $   27,887  $   37,318  $   6,052  $    7,425
                                                        ----------  ----------  ----------  ---------  ----------
                                                        ----------  ----------  ----------  ---------  ----------
Net income per common and common equivalent
  share--Basic........................................  $     1.60  $     1.73  $     2.17  $     .37  $      .41
                                                        ----------  ----------  ----------  ---------  ----------
                                                        ----------  ----------  ----------  ---------  ----------
Net income per common and common equivalent
  share--Diluted......................................  $     1.51  $     1.64  $     2.05  $     .35  $      .39
                                                        ----------  ----------  ----------  ---------  ----------
                                                        ----------  ----------  ----------  ---------  ----------
</TABLE>

                      See Independent Auditor's Report and
          Accompanying Notes to the Consolidated Financial Statements.

                                      F-4
<PAGE>
                           NCI BUILDING SYSTEMS, INC.

                CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY

                                 (IN THOUSANDS)

<TABLE>
<CAPTION>
                                                                               ADDITIONAL
                                                                    COMMON       PAID-IN     RETAINED   SHAREHOLDERS'
                                                                     STOCK       CAPITAL     EARNINGS      EQUITY
                                                                  -----------  -----------  ----------  -------------
<S>                                                               <C>          <C>          <C>         <C>
Balance, October 31, 1995.......................................   $      63    $  13,696   $   43,923   $    57,682
Proceeds from stock offering....................................          11       24,759           --        24,770
Proceeds from exercise of stock options, including tax benefit
  thereon.......................................................           2        2,723           --         2,725
Shares issued for contribution to 401(k) plan...................           1        1,008           --         1,009
Shares issued in connection with the purchase of Doors &
  Building Components, Inc......................................           3        5,172           --         5,175
Net income......................................................          --           --       24,814        24,814
                                                                       -----   -----------  ----------  -------------
Balance, October 31, 1996.......................................          80       47,358       68,737       116,175
Proceeds from exercise of stock options, including tax benefit
  thereon.......................................................           1        2,234           --         2,235
Shares issued for contribution to 401(k) plan...................           1        1,517           --         1,518
Net income......................................................          --           --       27,887        27,887
                                                                       -----   -----------  ----------  -------------
Balance, October 31, 1997.......................................          82       51,109       96,624       147,815
Proceeds from exercise of stock options, including tax benefit
  thereon.......................................................           2        4,317           --         4,319
Two for one split of common stock...............................          82          (82)          --            --
Shares issued in connection with the purchase of Metal Building
  Components, Inc...............................................          14       32,186           --        32,200
Shares issued for contribution to 401(k) plan...................           1        1,959           --         1,960
Net income......................................................          --           --       37,318        37,318
                                                                       -----   -----------  ----------  -------------
Balance, October 31, 1998.......................................         181       89,489      133,942       223,612
Proceeds from exercise of stock options, including tax benefit
  thereon (unaudited)...........................................           2        2,204           --         2,206
Shares issued for contribution to 401(k) plan
  (unaudited)...................................................           1        2,427           --         2,428
Net income (unaudited)..........................................          --           --        7,425         7,425
                                                                       -----   -----------  ----------  -------------
Balance, January 31, 1999 (unaudited)...........................   $     184    $  94,120   $  141,367   $   235,671
                                                                       -----   -----------  ----------  -------------
                                                                       -----   -----------  ----------  -------------
</TABLE>

                      See Independent Auditor's Report and
          Accompanying Notes to the Consolidated Financial Statements.

                                      F-5
<PAGE>
                           NCI BUILDING SYSTEMS, INC.

                     CONSOLIDATED STATEMENTS OF CASH FLOWS

                                 (IN THOUSANDS)

<TABLE>
<CAPTION>
                                                                                               THREE MONTHS ENDED
                                                                      OCTOBER 31,                 JANUARY 31,
                                                            --------------------------------  --------------------
                                                              1996       1997        1998       1998       1999
                                                            ---------  ---------  ----------  ---------  ---------
                                                                                                  (UNAUDITED)
<S>                                                         <C>        <C>        <C>         <C>        <C>
Cash flows from operating activities:
  Net income..............................................  $  24,814  $  27,887  $   37,318  $   6,052  $   7,425
  Adjustments to reconcile net income to net cash provided
    by operating activities:
    Depreciation and amortization.........................      5,791      7,876      17,818      2,205      7,034
    (Gain) loss on sale of fixed assets...................          1         (3)        (32)        --         54
    Provision for doubtful accounts.......................        681      1,223       2,625        282        985
    Deferred income tax (benefit) provision...............       (822)       318       7,958        (15)      (254)
  Changes in current assets and liability accounts, net of
    effects of acquisitions:
    (Increase) in accounts, notes and other receivables...     (9,857)   (10,481)     (3,663)     8,219      8,441
    (Increase) decrease in inventories....................     (4,521)    (5,552)      9,951     (6,410)   (11,058)
    (Increase) decrease in prepaid expenses...............        (35)      (625)        109         11       (684)
    Increase in accounts payable..........................      3,043      2,394      24,189     (8,155)    (2,272)
    Increase in accrued expenses..........................      5,446      5,579      13,772     (1,013)       167
                                                            ---------  ---------  ----------  ---------  ---------
      Net cash provided by operating activities...........     24,541     28,616     110,045      1,176      9,838
                                                            ---------  ---------  ----------  ---------  ---------
Cash flows from investing activities:
  Proceeds from the sale of fixed assets..................        115         25          98         12        890
  Acquisition of Mesco Metal Buildings....................    (20,631)        --          --         --         --
  Acquisition of Doors & Building Components Inc..........    (11,000)        --          --         --         --
  Acquisition of Carlisle Engineered Metals, Inc..........     (2,840)    (6,230)         --         --         --
  Acquisition of Metal Building Components, Inc...........         --         --    (553,510)        --         --
  Acquisition of California Finished Metals, Inc..........         --         --     (15,458)        --         --
  (Increase) decrease of other noncurrent assets..........     (1,988)    (1,147)    (24,450)      (658)      (891)
  Capital expenditures....................................    (10,319)   (11,332)    (20,834)    (2,135)   (11,165)
                                                            ---------  ---------  ----------  ---------  ---------
  Net cash provided by (used in) investing activities.....    (46,663)   (18,684)   (614,154)    (2,781)   (11,166)
                                                            ---------  ---------  ----------  ---------  ---------
Cash flows from financing activities:
  Net proceeds from sale of stock.........................     24,770         --          --         --         --
  Exercise of stock options...............................        750      1,340       2,494        165        529
  Borrowings on line of credit and notes..................         --         --     592,700         --     77,500
  Principal payments on long-term debt, line of credit and
    notes payable.........................................        (85)       (50)   (118,652)       (13)   (76,613)
                                                            ---------  ---------  ----------  ---------  ---------
Net cash provided by (used in) financial activities.......     25,435      1,290     476,542        152      1,416
                                                            ---------  ---------  ----------  ---------  ---------
Net increase (decrease) in cash...........................      3,313     11,222     (27,567)    (1,453)        88
Cash at beginning of period...............................     17,631     20,944      32,166     32,166      4,599
                                                            ---------  ---------  ----------  ---------  ---------
Cash at end of period.....................................  $  20,944  $  32,166  $    4,599  $  30,713  $   4,687
                                                            ---------  ---------  ----------  ---------  ---------
                                                            ---------  ---------  ----------  ---------  ---------
</TABLE>

                      See Independent Auditor's Report and
          Accompanying Notes to the Consolidated Financial Statements.

                                      F-6
<PAGE>
                           NCI BUILDING SYSTEMS, INC.

                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

 (INFORMATION PRESENTED FOR THE THREE MONTH PERIODS ENDED JANUARY 31, 1998 AND
                               1999 IS UNAUDITED)

(1) SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

    (A) REPORTING ENTITY

    These financial statements include the operations and activities of NCI
Building Systems, Inc. and its wholly-owned subsidiaries (Company) after the
elimination of all material intercompany accounts and balances. The Company
designs, manufactures and markets engineered building systems and components for
commercial, industrial, agricultural and community service use. The Company
recognizes revenues as jobs are shipped or as services are performed.

    Certain prior year amounts have been reclassified to conform with the
current year presentation.

    (B) ACCOUNTS RECEIVABLE

    The Company reports accounts receivable net of the allowance for doubtful
accounts of $3,802,000, $1,498,000 and $2,321,000 at January 31, 1999, October
31, 1997 and 1998, respectively. Trade accounts receivable are the result of
sales of building systems and components to customers throughout the United
States and affiliated territories including international builders who resell to
end users. Although the Company's sales historically have been concentrated in
Texas and surrounding states, in recent years it has been expanding its
authorized builder organization and customer base into the midwestern states
and, to a lesser extent, into south central, southeastern and coastal states.
All sales are denominated in United States dollars. Credit sales do not normally
require a pledge of collateral; however, various types of liens may be filed to
enhance the collection process.

    (C) INVENTORIES

    Inventories are stated at the lower of cost or market value, using specific
identification or the weighted-average method for steel coils and other raw
materials. A summary of inventories follows (in thousands):

<TABLE>
<CAPTION>
                                                             OCTOBER 31,
                                                         --------------------  JANUARY 31,
                                                           1997       1998        1999
                                                         ---------  ---------  -----------
                                                                               (UNAUDITED)
<S>                                                      <C>        <C>        <C>
Raw materials..........................................  $  28,943  $  55,190   $  69,221
Work-in-process and finished goods.....................      8,438     22,811      19,837
                                                         ---------  ---------  -----------
                                                         $  37,381  $  78,001   $  89,058
                                                         ---------  ---------  -----------
                                                         ---------  ---------  -----------
</TABLE>

    (D) PROPERTY, PLANT AND EQUIPMENT

    Property, plant and equipment are stated at cost and depreciated over their
estimated useful lives. Depreciation is computed using the straight-line method
for financial reporting purposes and both straight-line and accelerated methods
for income tax purposes. Depreciation expense for the three

                                      F-7
<PAGE>
                           NCI BUILDING SYSTEMS, INC.

             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)

 (INFORMATION PRESENTED FOR THE THREE MONTH PERIODS ENDED JANUARY 31, 1998 AND
                               1999 IS UNAUDITED)

(1) SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (CONTINUED)
months ended January 31, 1999 and the years ended October 31, 1996, 1997 and
1998 was $7,034,000, $4,236,000, $5,893,000 and $9,970,000, respectively.

<TABLE>
<CAPTION>
                                                                          OCTOBER 31,
                                                                    -----------------------  JANUARY 31,
                                                                       1997         1998        1999
                                                                    -----------  ----------  -----------
                                                                        (IN THOUSANDS)       (UNAUDITED)
<S>                                                                 <C>          <C>         <C>
Land..............................................................   $   3,969   $   11,184   $  11,870
Buildings and improvements........................................      23,600       74,510      74,484
Machinery, equipment and furniture................................      41,393      112,013     120,887
Transportation equipment..........................................       1,089        4,711       4,537
Computer software.................................................         481        5,753       6,352
                                                                    -----------  ----------  -----------
                                                                        70,532      208,171     218,130
Less accumulated depreciation.....................................     (19,309)     (28,671)    (31,812)
                                                                    -----------  ----------  -----------
                                                                     $  51,223   $  179,500   $ 186,318
                                                                    -----------  ----------  -----------
                                                                    -----------  ----------  -----------
</TABLE>

<TABLE>
<S>                                                                       <C>
Estimated useful lives for depreciation are:
                                                                               10-40
Buildings and improvements..............................................       years
Machinery, equipment and furniture......................................  5-13 years
Transportation equipment................................................  3-10 years
Computer software.......................................................     5 years
</TABLE>

    (E) STATEMENT OF CASH FLOWS

    For purposes of the cash flows statement, the Company considers all highly
liquid investments with an original maturity date of three months or less to be
cash equivalents. Total interest paid for the three months ended January 31,
1999 and the years ended October 31, 1996, 1997 and 1998 was $9,751,000,
$108,000, $163,000 and $16,733,000, respectively. Income taxes paid, net of
refunds received, for the three months ended January 31, 1999 and the years
ended October 31, 1996, 1997 and 1998 was $72,966, $12,638,000, $15,676,000 and
$19,915,000, respectively. Non-cash investing or financing activities included:
$2,428,000 for the 1998 contribution for the 401(k) plan which was paid in
common stock in 1999, $1,960,000 for the 1997 contribution for the 401(k) plan
which was paid in common stock in 1998, $1,518,000 for the 1996 contribution for
the 401(k) plan which was paid in common stock in 1997 and common stock valued
at $32.2 million paid in connection with the acquisition of MBCI, as discussed
at Note 11.

    (F) EXCESS OF COST OVER FAIR VALUE OF ACQUIRED NET ASSETS

    Excess of cost over fair value of acquired net assets is amortized on a
straight-line basis over fifteen to forty years. Accumulated amortization as of
January 31, 1999 was $12,762,000, October 31, 1998 was $9,788,000 and $3,042,000
as of October 31, 1997. The carrying value of goodwill is reviewed if the facts
and circumstances suggest that it may be impaired. If this review indicates that
goodwill will not be recoverable, as determined based on the undiscounted cash
flows of the entity acquired over the

                                      F-8
<PAGE>
                           NCI BUILDING SYSTEMS, INC.

             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)

 (INFORMATION PRESENTED FOR THE THREE MONTH PERIODS ENDED JANUARY 31, 1998 AND
                               1999 IS UNAUDITED)

(1) SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (CONTINUED)
remaining amortization period, the Company's carrying value of the goodwill
would be reduced by the estimated shortfall of cash flows.

    (G) 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.

    (H) ADVERTISING COSTS

    Advertising costs are expensed as incurred. Advertising expense was
$857,000, $1,267,000, $1,416,000 and $2,301,000 for the three months ended
January 31, 1999 and for the three years ended October 31, 1996, 1997 and 1998,
respectively.

    (I) LONG-LIVED ASSETS

    Impairment losses are recognized when indicators of impairment are present
and the estimated undiscounted cash flows are not sufficient to recover the
assets carrying amount. Assets held for disposal are measured at the lower of
carrying value or estimated fair value, less costs to sell.

    (J) STOCK-BASED COMPENSATION

    The Company uses the intrinsic value method in accounting for its
stock-based employee compensation plans.

    (K) COMPREHENSIVE INCOME

    During the third quarter of fiscal 1998, the Company adopted Financial
Accounting Standards Board (FASB) Statement No. 130, REPORTING COMPREHENSIVE
INCOME. Statement 130 establishes new rules for the reporting and display of
comprehensive income and its components. Certain items which were previously
required to be reported separately in shareholder's equity, such as unrealized
gains or loses on available-for-sale securities, minimum pension liability
adjustments and foreign currency translation adjustments, are now required to be
included in other comprehensive income. For the three months ended January 31,
1999 and for fiscal 1996, 1997 and 1998 the Company's comprehensive income was
the same as net income, and the adoption of this statement had no impact on the
presentation of the financial statements.

    (L) PENDING ACCOUNTING CHANGES

    In June 1997, the FASB issued Statement No. 131, DISCLOSURES ABOUT SEGMENTS
OF AN ENTERPRISE AND RELATED INFORMATION, which establishes new standards for
reporting information about operating segments in both annual and interim
financial statements. It also establishes standards for related disclosures
about products and services, geographic areas and major customers. The Statement
is

                                      F-9
<PAGE>
                           NCI BUILDING SYSTEMS, INC.

             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)

 (INFORMATION PRESENTED FOR THE THREE MONTH PERIODS ENDED JANUARY 31, 1998 AND
                               1999 IS UNAUDITED)

(1) SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (CONTINUED)
effective for the Company's fiscal year ending October 31, 1999. Management has
not completed its review of Statement 131.

(2) LONG-TERM DEBT

<TABLE>
<CAPTION>
                                                             OCTOBER 31,
                                                         --------------------  JANUARY 31,
                                                           1997       1998        1999
                                                         ---------  ---------  -----------
                                                                               (UNAUDITED)
<S>                                                      <C>        <C>        <C>
Five-year revolving credit line with a bank bearing
  interest at a rate of 30-day LIBOR plus 1.75% (7.0%
  at January 31, 1999), maturing on July 1, 2003.......  $      --  $ 141,600   $ 150,000

Five-year term loan payable to a bank bearing interest
  at a rate of 90-day LIBOR plus 1.75% (7.6% at January
  31, 1999), repayable beginning on October 31, 1998,
  in quarterly payments beginning with $7.5 million and
  gradually increasing to $12.5 million on the maturity
  date, July 1, 2003...................................         --    192,500     185,000

364-day revolving credit facility with a bank bearing
  interest at a rate of 30-day LIBOR plus 1.75% (7.0%
  at January 31, 1999) maturing on May 3, 1999.........         --    140,000     140,000

Note payable to employee bearing interest at 7%
  maturing April 1, 2001, with an option to convert
  into common stock at $14.96 per share................      1,500      1,500       1,500

Other..................................................        226        174         161
                                                         ---------  ---------  -----------

                                                             1,726    475,774     476,661

Current portion of long-term debt......................        (47)   (31,297)    (31,297)
                                                         ---------  ---------  -----------

                                                         $   1,679  $ 444,477   $ 445,364
                                                         ---------  ---------  -----------
                                                         ---------  ---------  -----------
</TABLE>

    Aggregate required principal reductions as of October 31, 1998 are as
follows:

<TABLE>
<CAPTION>
YEAR ENDED OCTOBER 31,
- ----------------------------------------------------------------------------------
                                  (IN THOUSANDS)
<S>                                                                                 <C>
1999..............................................................................  $   31,297
2000..............................................................................      36,305
2001..............................................................................      42,807
2002..............................................................................      46,260
2003..............................................................................     319,105
                                                                                    ----------
                                                                                    $  475,774
                                                                                    ----------
                                                                                    ----------
</TABLE>

                                      F-10
<PAGE>
                           NCI BUILDING SYSTEMS, INC.

             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)

 (INFORMATION PRESENTED FOR THE THREE MONTH PERIODS ENDED JANUARY 31, 1998 AND
                               1999 IS UNAUDITED)

(2) LONG-TERM DEBT (CONTINUED)
    The Company has a $600.0 million senior credit facility from a bank, which
consists of (i) a five-year revolving credit facility of up to $200.0 million,
of which up to $20.0 million may be utilized in the form of commercial and
standby letters of credit, (ii) a five-year term loan facility in the principal
amount of $200.0 million and (iii) a 364-day revolving credit facility of up to
$200.0 million. On May 4, 1998, the Company borrowed $140.0 million under the
five-year revolver, $200.0 million under the five-year loan and $200.0 million
under the 364-day revolver to fund the MBCI acquisition. Loans and letters of
credit under the five-year revolver will be available, and amounts repaid may be
reborrowed, at any time until July 2003, subject to the fulfillment of certain
conditions precedent, including the absence of default under the senior credit
facility. The term loan was fully drawn down as of the acquisition date, and any
amounts repaid may not be reborrowed. The Company's obligations under the senior
credit facility are secured by the pledge of all capital stock, partnership
interests and other equity interests of the Company's subsidiaries. All
obligations are also guaranteed by each of the Company's corporate subsidiaries
and operating limited partnerships. The senior credit facility contains
customary financial and restrictive covenants with amounts and ratios negotiated
between the Company and the lender.

    The Company has an interest rate swap agreement in place which caps interest
on LIBOR loans at 5.9% plus the applicable LIBOR margin for the principal amount
of the term loan which was $185.0 million at January 31, 1999. The estimated
fair value of the swap transactions as of October 31, 1998 was not significant.
If the 364-day revolving credit facility is not repaid by the Company or
extended by the lenders, the Company has the option to convert it to a
three-year term note. The Company is required to make mandatory prepayments on
the senior credit facility upon the occurrence of certain events, including the
sale of assets and the issuance and sale of equity securities, in each case
subject to certain limitations.

    The carrying amount of the Company's long-term debt approximates its fair
value.

(3) RELATED PARTY TRANSACTIONS

    During the three months ended January 31, 1999 and in the years ended
October 31, 1996, 1997 and 1998, the Company purchased $449,000, $1,417,000,
$1,869,000 and $1,862,000, respectively, of materials from a related party under
arm's length transactions.

(4) INCOME TAXES

    Deferred income taxes reflect the net tax effects of temporary differences
between the carrying amounts of assets and liabilities for financial reporting
purposes and the amounts used for income tax purposes.

                                      F-11
<PAGE>
                           NCI BUILDING SYSTEMS, INC.

             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)

 (INFORMATION PRESENTED FOR THE THREE MONTH PERIODS ENDED JANUARY 31, 1998 AND
                               1999 IS UNAUDITED)

(4) INCOME TAXES (CONTINUED)
    Taxes on income from continuing operations consist of the following:

<TABLE>
<CAPTION>
                                                                                       THREE MONTHS ENDED
                                                         YEAR ENDED OCTOBER 31,           JANUARY 31,
                                                     -------------------------------  --------------------
                                                       1996       1997       1998       1998       1999
                                                     ---------  ---------  ---------  ---------  ---------
                                                             (IN THOUSANDS)               (UNAUDITED)
<S>                                                  <C>        <C>        <C>        <C>        <C>
Current:
  Federal..........................................  $  14,530  $  15,478  $  15,371  $   3,405  $   5,560
  State............................................      1,368        442      1,202        147        415
                                                     ---------  ---------  ---------  ---------  ---------
Total current......................................     15,898     15,920     16,573      3,552      5,975
Deferred:
  Federal..........................................       (745)       304      7,292       (150)      (233)
  State............................................        (77)        14        666         (6)       (21)
                                                     ---------  ---------  ---------  ---------  ---------
Total deferred.....................................       (822)       318      7,958       (156)      (254)
                                                     ---------  ---------  ---------  ---------  ---------
Total provision....................................  $  15,076  $  16,238  $  24,531  $   3,396  $   5,721
                                                     ---------  ---------  ---------  ---------  ---------
                                                     ---------  ---------  ---------  ---------  ---------
</TABLE>

    The reconciliation of income tax computed at the United States federal
statutory tax rate to the effective income tax rate is as follows:

<TABLE>
<CAPTION>
                                                                                            THREE MONTHS ENDED
                                                              YEAR ENDED OCTOBER 31,           JANUARY 31,
                                                          -------------------------------  --------------------
                                                            1996       1997       1998       1998       1999
                                                          ---------  ---------  ---------  ---------  ---------
                                                                  (IN THOUSANDS)               (UNAUDITED)
<S>                                                       <C>        <C>        <C>        <C>        <C>
Statutory federal income tax rate.......................       35.0%      35.0%      35.0%      35.0%      35.0%
Non-deductible goodwill amortization....................         --         --        2.7        0.0        6.4
State income taxes......................................        2.4        1.2        2.1        1.0        2.0
Other...................................................        0.4        0.6       (0.1)      (0.1)       0.1
                                                                ---        ---        ---        ---        ---
  Effective tax rate....................................       37.8%      36.8%      39.7%      35.9%      43.5%
                                                                ---        ---        ---        ---        ---
                                                                ---        ---        ---        ---        ---
</TABLE>

                                      F-12
<PAGE>
                           NCI BUILDING SYSTEMS, INC.

             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)

 (INFORMATION PRESENTED FOR THE THREE MONTH PERIODS ENDED JANUARY 31, 1998 AND
                               1999 IS UNAUDITED)

(4) INCOME TAXES (CONTINUED)
    Significant components of the Company's deferred tax liabilities and assets
are as follows (in thousands):

<TABLE>
<CAPTION>
                                                           YEAR ENDED       THREE MONTHS
                                                          OCTOBER 31,           ENDED
                                                      --------------------   JANUARY 31,
                                                        1997       1998         1999
                                                      ---------  ---------  -------------
                                                                             (UNAUDITED)
<S>                                                   <C>        <C>        <C>
Deferred tax assets
  Inventory.........................................  $   1,632  $   1,968    $   1,964
  Bad debt reserve..................................        527      1,446        1,706
  Accrued insurance reserves........................        595      1,258        1,467
  Deferred compensation.............................         --        711          711
  Other reserves....................................        709      1,112        1,019
                                                      ---------  ---------  -------------
Total deferred tax assets...........................      3,463      6,495        6,867
                                                      ---------  ---------  -------------
Deferred tax liabilities
  Depreciation and amortization.....................      1,675     18,327       18,697
  Other.............................................        951      2,944        2,692
                                                      ---------  ---------  -------------
Total deferred tax liabilities......................  $   2,626  $  21,271    $  21,389
                                                      ---------  ---------  -------------
Net deferred tax asset (liability)..................  $     837  $ (14,776)   $ (14,522)
                                                      ---------  ---------  -------------
                                                      ---------  ---------  -------------
</TABLE>

(5) OPERATING LEASE COMMITMENTS

    Total rental expense incurred from operating non-cancelable leases for the
three months ended January 31, 1999 and for the years ended October 31, 1996,
1997 and 1998 was $1,569,000, $3,990,000, $4,644,000 and $5,527,000,
respectively.

    Aggregate minimum required annual payments on long-term operating leases at
October 31, 1998 were as follows (in thousands):

<TABLE>
<CAPTION>
YEAR ENDED OCTOBER 31,
- -------------------------------------------------------------------------------------
<S>                                                                                    <C>
1999.................................................................................  $   2,319
2000.................................................................................      1,184
2001.................................................................................        634
2002.................................................................................        314
2003.................................................................................         58
                                                                                       ---------
                                                                                       $   4,509
                                                                                       ---------
                                                                                       ---------
</TABLE>

(6) SHAREHOLDERS' RIGHTS PLAN

    In June 1998, the Board of Directors adopted a Shareholders' Rights Plan in
which one preferred stock purchase right (Right) was declared as a dividend for
each common share outstanding. Each Right entitles shareholders to purchase,
under certain conditions, one hundredth of a share of newly authorized Series A
Junior Participating Preferred Stock at an exercise Price of $125. Rights will
be

                                      F-13
<PAGE>
                           NCI BUILDING SYSTEMS, INC.

             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)

 (INFORMATION PRESENTED FOR THE THREE MONTH PERIODS ENDED JANUARY 31, 1998 AND
                               1999 IS UNAUDITED)

(6) SHAREHOLDERS' RIGHTS PLAN (CONTINUED)
exercisable only if a person or group acquires beneficial ownership of 20
percent or more of the common shares or commences a tender or exchange offer,
upon consummation of which such person or group would beneficially own 20
percent or more of the common shares. In the event that a person or group
acquires 20 percent or more of the common shares, the Rights enable dilution of
the acquiring person's or group's interest by providing for a 50 percent
discount on the purchase of common shares by the non-controlling shareholders.
The company will generally be entitled to redeem the Rights at $0.01 per Right
at any time before a person or group acquires 20 percent or more of the common
shares. Rights will expire on June 24, 2008, unless earlier exercised, redeemed
or exchanged.

(7) COMMON STOCK

    In June 1998, the Company's Board of Directors approved a two-for-one split
of the Common Stock effective for stockholders of record on July 8, 1998. Share
and per share amounts have been restated to reflect the stock split. The Board
of Directors has approved a non-statutory employee stock option plan. This plan
includes the future granting of stock options to purchase up to 4,100,000 shares
as an incentive and reward for key management personnel. Options expire ten
years from date of grant. The right to acquire the option shares is earned in
25% increments over the first four years of the option period. Stock option
transactions during 1996, 1997 and 1998 are as follows (in thousands, except per
share amounts):

<TABLE>
<CAPTION>
                                                                                               WEIGHTED
                                                                                                AVERAGE
                                                                                  NUMBER       EXERCISE
                                                                                 OF SHARES       PRICE
                                                                                -----------  -------------
<S>                                                                             <C>          <C>
Balance, October 31, 1995.....................................................       1,524     $    3.36
  Granted.....................................................................         630         12.75
  Canceled....................................................................         (46)        (9.83)
  Exercised...................................................................        (492)        (1.52)
                                                                                     -----   -------------
Balance, October 31, 1996.....................................................       1,616          7.39
  Granted.....................................................................         314         15.23
  Canceled....................................................................         (10)       (12.09)
  Exercised...................................................................        (211)        (6.34)
                                                                                     -----   -------------
Balance, October 31, 1997.....................................................       1,709          8.94
  Granted.....................................................................         517         23.65
  Canceled....................................................................         (22)       (14.56)
  Exercised...................................................................        (313)        (7.98)
                                                                                     -----   -------------
Balance, October 31, 1998.....................................................       1,891     $   13.06
                                                                                     -----   -------------
                                                                                     -----   -------------
</TABLE>

    Options exercisable at October 31, 1996, 1997 and 1998 were 783,000, 841,000
and 910,000, respectively. The weighted average exercise prices for options
exercisable at October 31, 1996, 1997 and 1998 were $3.00, $4.60 and $6.67.
Exercise prices for options outstanding at October 31, 1998 range from $.80 to
$27.00. The weighted average remaining contractual life of options outstanding
at October 31, 1998 is 6.7 years.

                                      F-14
<PAGE>
                           NCI BUILDING SYSTEMS, INC.

             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)

 (INFORMATION PRESENTED FOR THE THREE MONTH PERIODS ENDED JANUARY 31, 1998 AND
                               1999 IS UNAUDITED)

(7) COMMON STOCK (CONTINUED)

    In accordance with the terms of APB No. 25, because the exercise price of
the Company's employee stock options equals the market price of the underlying
stock on the date of the grant, the Company records no compensation expense for
its stock option awards. As required by SFAS No. 123, the Company provides the
following disclosure of hypothetical values for these awards. The weighted
average grant-date fair value of options granted during 1996, 1997 and 1998 was
$6.53, $7.89 and $12.07, respectively. These values were estimated using the
Black-Scholes option-pricing model with the following weighted average
assumptions: no expected dividend, expected volatility of 38.1%, risk free
interest rates ranging from 5.5% to 6.7% for 1996, 6.4% to 6.9% for 1997 and
4.6% to 5.9% for 1998, and expected lives of 7 years. Had compensation expense
been recorded based on these hypothetical values, the Company's net income and
earnings per share would have been as follows (in thousands, except per share
data):

<TABLE>
<CAPTION>
                                                                           1996       1997       1998
                                                                         ---------  ---------  ---------
<S>                                                                      <C>        <C>        <C>
Pro forma net income...................................................  $  24,379  $  27,081  $  35,887
Pro forma net income per share--Basic..................................  $    1.57  $    1.68  $    2.08
Pro forma net income per share--Diluted................................  $    1.48  $    1.59  $    1.98
</TABLE>

    Because options vest over several years and additional options grants are
expected, the effects of these hypothetical calculations are not likely to be
representative of similar future calculations.

(8) LITIGATION

    The Company is involved in certain litigation that the Company considers to
be in the normal course of business. Management of the Company believes that
such litigation will not result in any material losses.

(9) NET INCOME PER SHARE

    During the first quarter of fiscal 1998, the Company adopted FASB No. 128,
EARNINGS PER SHARE, which requires the presentation of basic and diluted
earnings per share. Under this statement, the dilutive effect of stock options
is excluded from basic earnings per share, but included in the

                                      F-15
<PAGE>
                           NCI BUILDING SYSTEMS, INC.

             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)

 (INFORMATION PRESENTED FOR THE THREE MONTH PERIODS ENDED JANUARY 31, 1998 AND
                               1999 IS UNAUDITED)

(9) NET INCOME PER SHARE (CONTINUED)
computation of diluted earnings per share. Earnings per share amounts for all
periods presented have been restated. The computations are as follows:

<TABLE>
<CAPTION>
                                                                                       THREE MONTHS ENDED
                                                         YEAR ENDED OCTOBER 31,           JANUARY 31,
                                                     -------------------------------  --------------------
                                                       1996       1997       1998       1998       1999
                                                     ---------  ---------  ---------  ---------  ---------
                                                     (IN THOUSANDS, EXCEPT PER SHARE      (UNAUDITED)
                                                     DATA)
<S>                                                  <C>        <C>        <C>        <C>        <C>
Net income.........................................  $  24,814  $  27,887  $  37,318  $   6,052  $   7,425

Add:
  Interest, net of tax, on convertible debenture
    assumed converted..............................         38         66         66         17         17
                                                     ---------  ---------  ---------  ---------  ---------
Adjusted net income................................  $  24,852  $  27,953  $  37,384  $   6,069  $   7,442
                                                     ---------  ---------  ---------  ---------  ---------
                                                     ---------  ---------  ---------  ---------  ---------
Weighted average common shares outstanding.........     15,499     16,127     17,212     16,325     18,168

Add: Common stock equivalents:
  Stock options....................................        898        858        880        861        833
  Convertible debenture............................         58        100        100        100        100
                                                     ---------  ---------  ---------  ---------  ---------
                                                     ---------  ---------  ---------  ---------  ---------
Weighted average share outstanding, assuming
  dilution.........................................     16,455     17,085     18,192     17,286     19,101
                                                     ---------  ---------  ---------  ---------  ---------
                                                     ---------  ---------  ---------  ---------  ---------
Net income per share--basic........................  $    1.60  $    1.73  $    2.17  $     .37  $     .41
                                                     ---------  ---------  ---------  ---------  ---------
                                                     ---------  ---------  ---------  ---------  ---------
Net income per share--diluted......................  $    1.51  $    1.64  $    2.05  $     .35  $     .39
                                                     ---------  ---------  ---------  ---------  ---------
                                                     ---------  ---------  ---------  ---------  ---------
</TABLE>

(10) EMPLOYEE BENEFIT PLAN

    The Company has a 401(k) profit sharing plan (the "Savings Plan") which
covers all eligible employees. The Savings Plan requires the Company to match
employee contributions up to a certain percentage of a participant's salary. No
other contributions may be made to the Savings Plan. Contributions accrued for
the Savings Plan for the year ended October 31, 1996, 1997 and 1998 were
$1,155,000, $1,604,000 and $2,219,000, respectively.

(11) ACQUISITIONS

    In November 1995, the Company acquired substantially all of the assets and
assumed certain liabilities of Doors and Building Components, Inc. ("DBCI"), a
manufacturer of roll-up steel overhead doors used primarily in self-storage and
commercial/industrial applications, for approximately $12 million in cash and
600,000 shares of common stock of the Company, valued at $5.2 million. Based on
the final determination of book value of the purchased assets, the price was
reduced by approximately $2.5 million of which $1.5 million was due from the
seller and was recorded as a receivable in the October 31, 1996 balance sheet.
This amount was settled in cash in December, 1996. The acquisition was accounted
for using the purchase method of accounting. The excess of cost over fair value
of the acquired net assets recorded was $11.4 million.

                                      F-16
<PAGE>
                           NCI BUILDING SYSTEMS, INC.

             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)

 (INFORMATION PRESENTED FOR THE THREE MONTH PERIODS ENDED JANUARY 31, 1998 AND
                               1999 IS UNAUDITED)

(11) ACQUISITIONS (CONTINUED)
    In April, 1996, the Company acquired substantially all of the assets and
assumed certain liabilities of Mesco Metal Buildings, a division of Anderson
Industries, Inc., a manufacturer of engineered building systems and components,
for approximately $20.8 million in cash and a $1.5 million 7% convertible
subordinated debenture due April, 2001. The acquisition was accounted for using
the purchase method of accounting. The excess of cost over fair value of the
acquired net assets recorded was $10.9 million.

    On May 4, 1998, the Company acquired Metal Building Components, Inc.
("MBCI") through the purchase of all of the outstanding capital stock of Amatek
Holdings, Inc. from BTR Australia Limited, a wholly owned subsidiary of BTR plc,
for a purchase price of approximately $588.5 million, including cash of $550.0
million (plus transaction costs) and 1.4 million shares of the Company's common
stock valued at $32.2 million. MBCI designs, manufacturers, sells and
distributes metal components for commercial, industrial, architectural,
agricultural and residential construction uses. MBCI also processes its own hot
roll coil metal for use in component manufacturing, as well as processing hot
roll coil metal and toll coating light gauge metal for use by other parties in
the construction of metal building components and numerous other products. The
funds for this acquisition were provided from the proceeds of a new $600.0
million credit facility from a bank under which the Company initially borrowed
$540.0 million. The acquisition was accounted for using the purchase method of
accounting. The excess cost of over the fair value of the acquired assets was
approximately $395.1 million (which was adjusted to $389.5 million during the
first quarter of fiscal 1999), based on the preliminary purchase price
allocation, which may be adjusted upon final valuation of certain assets and
liabilities.

    The consolidated results of operations for 1998 include MBCI since the date
of acquisition. Assuming the acquisition of MBCI had been consummated as at the
beginning of the respective periods presented, the pro forma unaudited results
of operations are as follows (in thousands, except per share date):

<TABLE>
<CAPTION>
                                                                        YEAR ENDED OCTOBER 31,
                                                                        ----------------------
                                                                           1997        1998
                                                                        ----------  ----------
<S>                                                                     <C>         <C>
Sales.................................................................  $  815,718  $  871,026
Net income............................................................  $   31,431  $   37,143
Net income per share--basic...........................................  $     1.79  $     2.07
Net income per share--diluted.........................................  $     1.70  $     1.97
</TABLE>

                                      F-17
<PAGE>
                         REPORT OF INDEPENDENT AUDITORS

Stockholder
Amatek Holdings, Inc.

    We have audited the accompanying consolidated balance sheets of Amatek
Holdings, Inc. and subsidiaries (the "Company"), as of December 31, 1997, and
1996, and the related consolidated statements of operations, cash flows, and
shareholder's equity for each of the three years in the period ended December
31, 1997. These financial statements are the responsibility of the Company's
management. Our responsibility is to express an opinion on these financial
statements based on our audits.

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

    In our opinion the consolidated financial statements referred to above
present fairly, in all material respects, the financial position of Amatek
Holdings, Inc. and subsidiaries as of December 31, 1997 and 1996, and the
results of their operations and their cash flows for each of the three years in
the period ended December 31, 1997, in conformity with generally accepted
accounting principles.

                                          ERNST & YOUNG LLP

Houston, Texas
August 5, 1998

                                      F-18
<PAGE>
                     AMATEK HOLDINGS, INC. AND SUBSIDIARIES

                          CONSOLIDATED BALANCE SHEETS

                                 (IN THOUSANDS)

<TABLE>
<CAPTION>
                                                                                    DECEMBER 31,
                                                                                --------------------   MARCH 31,
                                                                                  1996       1997        1998
                                                                                ---------  ---------  -----------
                                                                                                      (UNAUDITED)
<S>                                                                             <C>        <C>        <C>
                                                     ASSETS
Current assets:
  Cash and cash equivalents...................................................  $   3,622  $   7,012   $   1,345
  Accounts receivable:
    Trade, net of allowance for doubtful accounts of $576, $658 and $395......     41,942     44,599      43,162
    Other.....................................................................      2,835      6,659       3,737
  Inventories.................................................................     32,410     43,479      47,516
  Prepaid expenses............................................................      2,004      2,715       3,419
  Income taxes receivable.....................................................         --        437          --
  Deferred tax asset..........................................................        853      1,186       1,186
                                                                                ---------  ---------  -----------
Total current assets..........................................................     83,666    106,087     100,365
Property, plant and equipment:
  Land........................................................................      4,390      5,916       6,227
  Buildings and improvements..................................................     31,104     40,845      41,425
  Machinery and equipment.....................................................     72,381     88,354      90,283
  Construction-in-progress....................................................     11,659      8,272       7,116
                                                                                ---------  ---------  -----------
                                                                                  119,534    143,387     145,051
  Less accumulated depreciation...............................................    (34,813)   (39,252)    (41,088)
                                                                                ---------  ---------  -----------
                                                                                   84,721    104,135     103,963
Receivable from affiliate.....................................................     19,261      1,364          --
Investments in and advances to DOUBLECOTE.....................................     19,031     19,200      19,415
Intangible assets.............................................................     13,822     13,652      13,612
Other assets..................................................................         --      5,325       5,871
                                                                                ---------  ---------  -----------
  Total assets................................................................  $ 220,501  $ 249,763   $ 243,226
                                                                                ---------  ---------  -----------
                                                                                ---------  ---------  -----------

                                      LIABILITIES AND SHAREHOLDER'S EQUITY
Current liabilities:
  Accounts payable............................................................  $  32,638  $  18,174  $    9,288
  Accrued liabilities.........................................................     13,945     15,659      11,526
  Income taxes payable........................................................      2,544         --       3,426
                                                                                ---------  ---------  -----------
    Total current liabilities.................................................     48,677     33,833      24,240
  Deferred tax liability......................................................      6,776     11,142      10,588
  Shareholder's equity:
    Common stock--par value $-0-; 119,500, 3,500, 3,500 shares issued and
      outstanding at March 31, 1998, December 31, 1997 and December 31,
      1996....................................................................      2,600      2,600     182,172
  Additional paid-in capital..................................................      4,380      4,380       4,380
  Retained earnings...........................................................    158,068    197,808      21,846
                                                                                ---------  ---------  -----------
Total shareholder's equity....................................................    165,048    204,788     208,398
                                                                                ---------  ---------  -----------
Total liabilities and shareholder's equity....................................  $ 220,501  $ 249,763  $  243,226
                                                                                ---------  ---------  -----------
                                                                                ---------  ---------  -----------
</TABLE>

                            See accompanying notes.

                                      F-19
<PAGE>
                     AMATEK HOLDINGS, INC. AND SUBSIDIARIES

                     CONSOLIDATED STATEMENTS OF OPERATIONS

                                 (IN THOUSANDS)

<TABLE>
<CAPTION>
                                                                                            THREE MONTHS ENDED
                                                            YEAR ENDED DECEMBER 31,             MARCH 31,
                                                       ----------------------------------  --------------------
                                                          1995        1996        1997       1997       1998
                                                       ----------  ----------  ----------  ---------  ---------
                                                                                               (UNAUDITED)
<S>                                                    <C>         <C>         <C>         <C>        <C>
Sales................................................  $  315,737  $  362,867  $  407,967  $  82,505  $  84,172
Cost of sales........................................    (234,042)   (271,299)   (312,329)   (63,896)   (68,864)
                                                       ----------  ----------  ----------  ---------  ---------
Gross profit.........................................      81,695      91,568      95,638     18,609     15,308
Selling, general and administrative expenses.........     (24,900)    (29,652)    (36,637)    (8,543)    (9,598)
Equity in income (losses) of DOUBLECOTE..............      (1,293)       (304)         83       (170)      (161)
Interest income, net.................................       1,379       1,871       2,019        267        267
Unusual/nonrecurring gain............................          --          --       3,284         --         --
                                                       ----------  ----------  ----------  ---------  ---------
Income before income taxes...........................      56,881      63,483      64,387     10,163      5,816
Provision for income taxes...........................     (22,993)    (24,920)    (24,647)    (4,096)    (2,206)
                                                       ----------  ----------  ----------  ---------  ---------
Net income...........................................  $   33,888  $   38,563  $   39,740  $   6,067  $   3,610
                                                       ----------  ----------  ----------  ---------  ---------
                                                       ----------  ----------  ----------  ---------  ---------
</TABLE>

                            See accompanying notes.

                                      F-20
<PAGE>
                     AMATEK HOLDINGS, INC. AND SUBSIDIARIES

                     CONSOLIDATED STATEMENTS OF CASH FLOWS

                                 (IN THOUSANDS)

<TABLE>
<CAPTION>
                                                                                               THREE MONTHS ENDED
                                                                 YEAR ENDED DECEMBER 31,           MARCH 31,
                                                             -------------------------------  --------------------
                                                               1995       1996       1997       1997       1998
                                                             ---------  ---------  ---------  ---------  ---------
                                                                                                  (UNAUDITED)
<S>                                                          <C>        <C>        <C>        <C>        <C>
OPERATING ACTIVITIES
Net income.................................................  $  33,888  $  38,563  $  39,740  $   6,067  $   3,610
Adjustments to reconcile net income to net cash (used in)
  provided by operating activities:
  Depreciation and amortization............................      4,136      5,477      6,844      1,639      2,019
  Provision for deferred income taxes......................         82        716      4,033      1,866       (554)
  Provision for losses on accounts receivable..............         71       (266)       262      1,867        (82)
  Changes in operating assets and liabilities:
    Increase in accounts receivable--trade.................     (1,980)    (5,517)    (2,919)       924      1,519
    Increase in other accounts receivable..................        134     (2,326)    (3,824)    (1,357)     2,922
    Increase in inventories................................      5,383     (6,744)   (11,069)       102     (4,037)
    Increase in prepaid expenses...........................       (123)    (1,163)      (711)       208       (704)
    (Increase) decrease in other assets....................       (432)     1,018     (5,962)        84       (546)
    (Decrease) increase in accounts payable and accrued
      liabilities..........................................      2,307     13,169    (12,300)   (18,808)   (13,019)
    (Decrease) increase in income taxes payable............     (1,438)     1,239     (2,544)     1,053      3,426
                                                             ---------  ---------  ---------  ---------  ---------
Net cash (used in) provided by operating activities........     42,028     44,166     11,550     (6,355)    (5,446)

INVESTING ACTIVITIES
Purchase of property, plant and equipment..................    (12,501)   (21,146)   (27,166)    (5,847)    (1,646)
Proceeds from sale of property, plant and equipment........         32         73      1,632         --         --
Advances to and investments in DOUBLECOTE..................     (2,835)    (2,000)       (86)      (369)      (376)
Cash paid for acquired business............................         --    (21,221)        --         --         --
                                                             ---------  ---------  ---------  ---------  ---------
Net cash used in investing activities......................    (15,304)   (44,294)   (25,620)    (6,216)    (2,022)

FINANCING ACTIVITIES
Net borrowings under credit facilities.....................     (4,754)        --         --         --         --
Proceeds to related party..................................    (21,471)     1,080     17,460     13,549      1,801
                                                             ---------  ---------  ---------  ---------  ---------
Net cash provided by (used in) financing activities........    (26,225)     1,080     17,460     13,549      1,801
                                                             ---------  ---------  ---------  ---------  ---------
Net (decrease) increase in cash and cash equivalents.......        499        952      3,390        978     (5,667)
Cash and cash equivalents at beginning of year.............      2,171      2,670      3,622      3,622      7,012
                                                             ---------  ---------  ---------  ---------  ---------
Cash and cash equivalents at end of year...................  $   2,670  $   3,622  $   7,012  $   4,600  $   1,345
                                                             ---------  ---------  ---------  ---------  ---------
                                                             ---------  ---------  ---------  ---------  ---------
</TABLE>

                            See accompanying notes.

                                      F-21
<PAGE>
                     AMATEK HOLDINGS, INC. AND SUBSIDIARIES

                CONSOLIDATED STATEMENTS OF SHAREHOLDER'S EQUITY

                                 (IN THOUSANDS)

<TABLE>
<CAPTION>
                                                                   ADDITIONAL
                                                         COMMON      PAID-IN     RETAINED
                                                         STOCK       CAPITAL     EARNINGS       TOTAL
                                                       ----------  -----------  -----------  -----------
<S>                                                    <C>         <C>          <C>          <C>
Balance at December 31, 1994.........................  $    2,600   $   4,380   $    85,617  $    92,597
  Net income.........................................          --          --        33,888       33,888
                                                       ----------  -----------  -----------  -----------
Balance at December 31, 1995.........................       2,600       4,380       119,505      126,485
  Net income.........................................          --          --        38,563       38,563
                                                       ----------  -----------  -----------  -----------
Balance at December 31, 1996.........................       2,600       4,380       158,068      165,048
  Net income.........................................          --          --        39,740       39,740
                                                       ----------  -----------  -----------  -----------
Balance at December 31, 1997.........................       2,600       4,380       197,808      204,788
  Net income (unaudited).............................          --          --         3,610        3,610
  Dividend to parent (unaudited).....................          --          --      (179,572)    (179,572)
  Capital contribution from parent (unaudited).......     179,572          --            --      179,572
                                                       ----------  -----------  -----------  -----------
Balance at March 31, 1998 (unaudited)................  $  182,172   $   4,380   $    21,846  $   208,398
                                                       ----------  -----------  -----------  -----------
                                                       ----------  -----------  -----------  -----------
</TABLE>

                            See accompanying notes.

                                      F-22
<PAGE>
                     AMATEK HOLDINGS, INC. AND SUBSIDIARIES

                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

1. OWNERSHIP AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

    All outstanding common stock of Amatek Holdings, Inc. ("AHI"), is owned by
Amatek Limited (the "Parent," which is an Australian company), a wholly owned
subsidiary of BTR Nylex (an Australian company), which is ultimately owned by
BTR plc (a British company). AHI is a manufacturer of steel roofing and siding
products. Principal markets are in the continental United States.

    The consolidated financial statements include the accounts of AHI and all
majority-owned subsidiaries (the "Company"). The Company's investment in
DOUBLECOTE, L.L.C. ("DOUBLECOTE") is accounted for using the equity method (see
Note 9). All significant intercompany balances and transactions have been
eliminated in consolidation.

    CASH AND CASH EQUIVALENTS

    Cash and cash equivalents consist of all cash balances and highly liquid
investments which have a maturity of three months or less when acquired.

    INVENTORY

    Inventories are valued at the lower of cost or market, determined on the
first-in, first-out method.

    PROPERTY, PLANT, AND EQUIPMENT

    Property, plant and equipment are stated at cost. The cost of repairs and
maintenance is charged to operations as incurred. Depreciation of property,
plant and equipment is provided on a straight-line basis over the estimated
useful lives of the assets as follows:

<TABLE>
<S>                                                             <C>
Building and improvements.....................................  40 years
                                                                4 to 13
Machinery and equipment.......................................  years
                                                                3 to 10
Computer and office equipment.................................  years
</TABLE>

    Effective January 1, 1996, the Company adopted Statement of Financial
Accounting Standards ("SFAS") No. 121, ACCOUNTING FOR THE IMPAIRMENT OF
LONG-LIVED ASSETS AND FOR LONG-LIVED ASSETS TO BE DISPOSED OF. This statement
generally requires a periodic review of long-lived assets for indications that
their carrying amounts may not be recoverable and governs the measurement and
disclosure of any resulting impairment loss. Its application did not have a
material impact on the Company's financial position or results of operations.

    INCOME TAXES

    The Company uses SFAS No. 109, ACCOUNTING FOR INCOME TAXES, in accounting
for income taxes. This statement requires an asset and liability approach for
financial accounting and reporting of income taxes.

    INTANGIBLE ASSETS

    Goodwill of $15,479,000, $15,333,000 and $14,777,000, which relates to the
acquisition of certain assets and other shareholder interest at March 31, 1998
and December 31, 1997 and 1996, respectively, is being amortized on a
straight-line basis over 20 years. Accumulated amortization of goodwill was

                                      F-23
<PAGE>
                     AMATEK HOLDINGS, INC. AND SUBSIDIARIES

             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)

1. OWNERSHIP AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (CONTINUED)
$1,867,000, $1,681,000 and $955,000 as of March 31, 1998 and December 31, 1997
and 1996, respectively.

    FAIR VALUE OF FINANCIAL INSTRUMENTS

    The carrying amount of the Company's financial instruments (cash, accounts
receivable and accounts payable) approximates fair value.

    MANAGEMENT ESTIMATES

    The preparation of consolidated financial statements in conformity with
generally accepted accounting principles requires the Company 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.

    RECLASSIFICATIONS

    Certain reclassifications have been made to 1996 financial information in
order to conform to 1997 presentation.

    In the opinion of management, the unaudited consolidated financial
statements include all adjustments, consisting solely of normal recurring
adjustments, necessary for a fair presentation of the financial position as of
March 31, 1998, and the results of operations and cash flows for each of the
three-month periods ended March 31, 1998 and 1997. Although management believes
the disclosures in these financial statements are adequate to make the
information presented not misleading, certain information and footnote
disclosures normally included in annual audited financial statements prepared in
accordance with generally accepted accounting principals have been condensed or
omitted pursuant to the rules and regulations of the Securities and Exchange
Commission. The results of operations and the cash flows for the three-month
period ended March 31, 1998 are not necessarily indicative of the results to be
expected for the full year.

2. INVENTORIES

    The components of inventories were as follows (in thousands):

<TABLE>
<CAPTION>
                                                     DECEMBER 31,
                                                 --------------------   MARCH 31,
                                                   1996       1997        1998
                                                 ---------  ---------  -----------
                                                                       (UNAUDITED)
<S>                                              <C>        <C>        <C>
Raw materials..................................  $  22,581  $  34,638   $  35,247
Finished goods.................................      9,829      8,841      12,269
                                                 ---------  ---------  -----------
Total..........................................  $  32,410  $  43,479   $  47,516
                                                 ---------  ---------  -----------
                                                 ---------  ---------  -----------
</TABLE>

                                      F-24
<PAGE>
                     AMATEK HOLDINGS, INC. AND SUBSIDIARIES

             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)

3. NOTES PAYABLE TO BANK

    The Company had an overdraft line of credit facility for $10.0 million which
terminated on March 31, 1998. There were no advances outstanding at March 31,
1998 and December 31, 1997 and 1996.

4. RELATED PARTY TRANSACTIONS

    The Company periodically advances funds to its Parent and charges the Parent
interest at a rate which approximates prime for net advances. In addition, the
Company remits its federal income taxes payable to the Parent (see Notes 5 and
7). Based on intercompany lending rates for advances and payables with similar
terms, the fair value of these advances approximates their carrying values.

5. FEDERAL INCOME TAX

    The provisions for federal income taxes are composed of the following (in
thousands):

<TABLE>
<CAPTION>
                                                              DECEMBER 31,                 MARCH 31,
                                                     -------------------------------  --------------------
                                                       1995       1996       1997       1997       1998
                                                     ---------  ---------  ---------  ---------  ---------
                                                                                          (UNAUDITED)
<S>                                                  <C>        <C>        <C>        <C>        <C>
Current income taxes...............................  $  22,917  $  24,203  $  20,612  $   2,229  $   2,761
Deferred income taxes..............................         76        717      4,035      1,867       (555)
                                                     ---------  ---------  ---------  ---------  ---------
Total..............................................  $  22,993  $  24,920  $  24,647  $   4,096  $   2,206
                                                     ---------  ---------  ---------  ---------  ---------
                                                     ---------  ---------  ---------  ---------  ---------
</TABLE>

    The effective income tax rate of the Company approximates the sum of the
statutory federal income tax rate and certain state income tax rates less
related federal tax benefit.

    Significant components of the Company's deferred tax assets and liabilities
were as follows (in thousands):

<TABLE>
<CAPTION>
                                                           DECEMBER 31,
                                        --------------------------------------------------
                                                                                                   MARCH 31,
                                                  1996                      1997                      1998
                                        ------------------------  ------------------------  ------------------------
                                          CURRENT     LONG-TERM     CURRENT     LONG-TERM     CURRENT     LONG-TERM
                                        -----------  -----------  -----------  -----------  -----------  -----------
                                                                                                  (UNAUDITED)
<S>                                     <C>          <C>          <C>          <C>          <C>          <C>
Property..............................   $      --    $  (9,442)   $      --    $ (14,069)   $      --    $ (14,368)
Insurance reserves....................         461           --          782           --          782           --
Bad debt reserve......................         147           --          248           --          248           --
Inventory.............................         245           --          183           --          183           --
Deferred compensation and incentive
  plan................................          --        2,660           --        2,931           --        3,780
Other.................................          --           11          (27)          --          (27)          --
                                             -----   -----------  -----------  -----------  -----------  -----------
Total.................................   $     853    $  (6,771)   $   1,186    $ (11,138)   $   1,186    $ (10,588)
                                             -----   -----------  -----------  -----------  -----------  -----------
                                             -----   -----------  -----------  -----------  -----------  -----------
Total deferred tax assets.............                $   3,524                 $   4,346                 $   4,993
Total deferred tax liabilities........                   (9,442)                  (14,298)                  (14,395)
                                                     -----------               -----------               -----------
Net deferred tax liability............                $  (5,918)                $  (9,952)                $  (9,402)
                                                     -----------               -----------               -----------
                                                     -----------               -----------               -----------
</TABLE>

                                      F-25
<PAGE>
                     AMATEK HOLDINGS, INC. AND SUBSIDIARIES

             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)

6. LEASES

    The Company leases certain equipment (primarily vehicles) and operating
facilities under operating leases expiring at various dates through 2000. Total
rental expense under operating leases was $1,514,000, $1,291,000 and $1,096,000
in 1997, 1996 and 1995, respectively.

    Aggregate minimum lease payments under operating leases are as follows (in
thousands):

<TABLE>
<S>                                                                   <C>
1998................................................................  $     508
1999................................................................        567
2000................................................................        391
2001................................................................         72
                                                                      ---------
                                                                      $   1,538
                                                                      ---------
                                                                      ---------
</TABLE>

7. SUPPLEMENTAL CASH FLOW DISCLOSURES

    Cash paid for interest during the years ended December 31, 1997, 1996 and
1995 was $81,000, $80,000 and $131,000, respectively. Cash paid for income taxes
during the years ended December 31, 1997, 1996 and 1995 was $24,349,000,
$21,402,000 and $23,639,000, respectively.

8. EMPLOYEE BENEFIT PLANS

    The Company sponsors a 401(k) savings plan for its full-time employees. The
Company matches 100% of employee-elected pre-tax contributions to a maximum of
4% of their salaries. The Company's contributions were $1,132,000, $943,000 and
$830,000 in 1997, 1996 and 1995, respectively.

    An Incentive Compensation Plan (the "Plan") was established in 1992, in part
because of the purchase of the minority interest of a partnership of which
certain officers of the Company were limited partners. Under the terms of the
Plan, an annual contribution is determined based upon the Company's earnings and
revenues. Annual contributions are placed in trust (with the trustee,
NationsBank) and vest to participants over a seven- to ten-year period. In the
event that a participant voluntarily leaves the Company or is terminated for
"good cause," the unvested portion of contributions to the Plan is forfeited to
the Company. The contributions were $4,302,000, $3,714,000 and $2,766,000 for
1997, 1996 and 1995, respectively.

9. INVESTMENT IN DOUBLECOTE

    The Company, through a subsidiary, owns 50% of the common stock in
DOUBLECOTE, a corporate joint venture.

                                      F-26
<PAGE>
                     AMATEK HOLDINGS, INC. AND SUBSIDIARIES

             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)

9. INVESTMENT IN DOUBLECOTE (CONTINUED)

    Summarized financial information of DOUBLECOTE is as follows (in thousands):

<TABLE>
<CAPTION>
                                                            DECEMBER 31,
                                                        --------------------   MARCH 31,
                                                          1996       1997        1998
                                                        ---------  ---------  -----------
                                                                              (UNAUDITED)
<S>                                                     <C>        <C>        <C>
Current assets........................................  $   7,266  $   8,165   $   9,210
Noncurrent assets.....................................     30,524     28,601      28,102
                                                        ---------  ---------  -----------
Total assets..........................................  $  37,790  $  36,766   $  37,312
                                                        ---------  ---------  -----------
                                                        ---------  ---------  -----------
Liabilities--advances from shareholder................  $  36,232  $  36,404   $  37,157
Other liabilities.....................................      2,753      1,390       1,505
Shareholders' equity:
  Contributed capital.................................      2,000      2,000       2,000
  Accumulated deficit.................................     (3,195)    (3,028)     (3,350)
                                                        ---------  ---------  -----------
Total liabilities and shareholders' equity............  $  37,790  $  36,766   $  37,312
                                                        ---------  ---------  -----------
                                                        ---------  ---------  -----------
Sales.................................................  $  28,034  $  30,348   $   6,427
Cost of sales.........................................    (24,682)   (26,150)     (5,722)
                                                        ---------  ---------  -----------
Gross profit..........................................      3,352      4,198         705
Selling, general and administrative expenses..........       (964)    (1,080)       (303)
Interest expense......................................     (2,997)    (2,952)       (724)
                                                        ---------  ---------  -----------
Net income (loss).....................................  $    (609) $     166   $    (322)
                                                        ---------  ---------  -----------
                                                        ---------  ---------  -----------
</TABLE>

    The facility owned by DOUBLECOTE was completed and began operations in 1995.

    DOUBLECOTE is charged interest at prime for advances by the Company. Total
interest income earned by the Company was $1,500,000 in 1997 and 1996 and
$1,465,000 in 1995.

10. LUBBOCK PLANT FIRE

    In February 1997, the Company's Lubbock, Texas, plant sustained major damage
from a fire. The Company has since rebuilt the plant, and resumed operations in
July 1997.

    The Company maintains insurance under one policy for both property damage
and business interruption applicable to its production facilities. The policy
provides coverage subject to a $25,000 deductible. Insurance recoveries as of
December 31, 1997 included $1.5 million for property damage and $500,000 for
business interruption. The Company is pursuing additional recoveries of $4
million related to the damage of the Lubbock plant.

    Insurance recoveries for property damage associated with events of this type
require the recognition of a new cost basis for the rebuilt facility. As a
result, the Company has recognized a $3.3 million unusual/nonrecurring
adjustment in its income statement for the year ended December 31, 1997. Total
spending to restore the Lubbock plant was approximately $4.8 million.

11. ACQUISITION OF BUSINESS

    On April 1, 1996, the Company purchased certain assets of Steelco Metal
Construction Products and Construction Metals ("Steelco") for a total cost of
approximately $21,221,000. Steelco was engaged

                                      F-27
<PAGE>
                     AMATEK HOLDINGS, INC. AND SUBSIDIARIES

             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)

11. ACQUISITION OF BUSINESS (CONTINUED)
in the manufacturing of steel roofing and siding products. The acquisition was
accounted for as a purchase. The excess of the purchase price over the fair
values of the net assets acquired of $11,266,000 has been recorded as goodwill
and is being amortized over a period of 20 years. The statement of operations
for 1996 includes the operating results of Steelco since the date of
acquisition.

12. YEAR 2000 (UNAUDITED)

    The Company has conducted a comprehensive review of its computer systems to
identify the systems that could be affected by the "Year 2000" issue and is
implementing its plan to resolve the issue. The Year 2000 problem is a result of
computer programs being written using two digits (rather than four) to define
the applicable year. Any of the Company's programs that have time-sensitive
software may recognize a date using "00" as the year 1900 rather than the year
2000. This could result in major system failure or miscalculation. The Company
presently believes that, with modifications to existing software and converting
to new software, the Year 2000 problem will not pose significant operational
problems for the Company's computer systems as so modified and converted.
However, if such modifications or conversions are not made, or not completed
timely, the Year 2000 issue could have a material impact on the Company's
operations.

13. COMMITMENTS AND CONTINGENCIES

    In March 1998, the Company entered into an agreement with NCI Building
Systems, Inc. to purchase 100% of the stock of the Company, which was effective
May 4, 1998. Upon the successful completion of this acquisition, certain
executives of the Company will receive compensation payments totaling
approximately $8.5 million.

                                      F-28
<PAGE>
YOU SHOULD RELY ONLY ON THE INFORMATION CONTAINED IN THIS PROSPECTUS, THE
ACCOMPANYING LETTER OF TRANSMITTAL OR TO WHICH WE HAVE REFERRED YOU. WE HAVE NOT
AUTHORIZED ANYONE TO PROVIDE YOU WITH DIFFERENT INFORMATION. WE ARE NOT OFFERING
THESE SECURITIES IN ANY JURISDICTION WHERE AN OFFERING IS NOT PERMITTED. THE
INFORMATION IN THIS PROSPECTUS AND THE LETTER OF TRANSMITTAL MAY ONLY BE
ACCURATE ON THE DATE OF THIS DOCUMENT.

________________________________TABLE OF CONTENTS_______________________________

<TABLE>
<S>                                                                         <C>
Prospectus Summary........................................................     3
Risk Factors..............................................................    12
The MBCI Acquisition......................................................    19
Use of Proceeds...........................................................    20
Capitalization............................................................    20
Unaudited Pro Forma Condensed Combined Financial Statements...............    21
Selected Historical Consolidated Financial Information....................    27
Management's Discussion and Analysis of Financial Condition and Results of
  Operations..............................................................    30
Industry Overview.........................................................    38
Business..................................................................    40
Management................................................................    52
Principal Stockholders....................................................    56
Description of Senior Credit Facility.....................................    58
The Exchange Offer........................................................    61
Description of Registered Notes...........................................    68
U. S. Federal Income Tax Considerations...................................   103
Plan of Distribution......................................................   104
Legal Matters.............................................................   105
Experts...................................................................   105
Where You Can Find More Information.......................................   105
Index to Financial Statements.............................................   F-1

</TABLE>

PROSPECTUS                                                         June 11, 1999

                                     [LOGO]

                               Offer to Exchange
                                All Outstanding
                             9 1/4% Series A Senior
                                  Subordinated
                                 Notes due 2009
                                      for
                      9 1/4% Series B Senior Subordinated
                                 Notes due 2009


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