SOUTHDOWN INC
S-3/A, 1994-01-04
CEMENT, HYDRAULIC
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<PAGE>   1
 
   
    As filed with the Securities and Exchange Commission on January 4, 1994
    
 
                                                       Registration No. 33-51131
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
 
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549
                             ---------------------
 
   
                                AMENDMENT NO. 1
    
   
                                       TO
    
 
                                    FORM S-3
 
                             REGISTRATION STATEMENT
                                     UNDER
                           THE SECURITIES ACT OF 1933
                             ---------------------
 
                                SOUTHDOWN, INC.
             (Exact name of registrant as specified in its charter)
 
   
<TABLE>
<S>                                             <C>
                  LOUISIANA                                      72-0296500
       (State or other jurisdiction of                        (I.R.S. Employer
       incorporation or organization)                        Identification No.)
</TABLE>
    
 
                         1200 SMITH STREET, SUITE 2400
                              HOUSTON, TEXAS 77002
                                 (713) 650-6200
 
         (Address, including zip code, and telephone number, including
            area code, of registrant's principal executive offices)
 
                              EDGAR J. MARSTON III
                         1200 SMITH STREET, SUITE 2400
                              HOUSTON, TEXAS 77002
                                 (713) 650-6200
 
 (Name, address, including zip code, and telephone number, including area code,
                             of agent for service)
 
                                   COPIES TO:
 
<TABLE>
<S>                                             <C>
           R. DANIEL WITSCHEY, JR.                          JOSEPH A. CIALONE, II
        BRACEWELL & PATTERSON, L.L.P.                       BAKER & BOTTS, L.L.P.
       2900 SOUTH TOWER PENNZOIL PLACE                      3000 ONE SHELL PLAZA
            HOUSTON, TEXAS 77002                            HOUSTON, TEXAS 77002
</TABLE>
                              ---------------------
 
        APPROXIMATE DATE OF COMMENCEMENT OF PROPOSED SALE TO THE PUBLIC:
  AS SOON AS PRACTICABLE AFTER THIS REGISTRATION STATEMENT BECOMES EFFECTIVE.
 
     IF THE ONLY SECURITIES BEING REGISTERED ON THIS FORM ARE BEING OFFERED
PURSUANT TO DIVIDEND OR INTEREST REINVESTMENT PLANS, PLEASE CHECK THE FOLLOWING
BOX.  / /
 
     IF ANY OF THE SECURITIES BEING REGISTERED ON THIS FORM ARE TO BE OFFERED ON
A DELAYED OR CONTINUOUS BASIS PURSUANT TO RULE 415 UNDER THE SECURITIES ACT OF
1933, OTHER THAN SECURITIES OFFERED ONLY IN CONNECTION WITH DIVIDEND OR INTEREST
REINVESTMENT PLANS, CHECK THE FOLLOWING BOX.  / /
 
   
                             ---------------------
    
 
     THE REGISTRANT HEREBY AMENDS THIS REGISTRATION STATEMENT ON SUCH DATE OR
DATES AS MAY BE NECESSARY TO DELAY ITS EFFECTIVE DATE UNTIL THE REGISTRANT SHALL
FILE A FURTHER AMENDMENT WHICH SPECIFICALLY STATES THAT THIS REGISTRATION
STATEMENT SHALL THEREAFTER BECOME EFFECTIVE IN ACCORDANCE WITH SECTION 8(A) OF
THE SECURITIES ACT OF 1933 OR UNTIL THIS REGISTRATION STATEMENT SHALL BECOME
EFFECTIVE ON SUCH DATE AS THE COMMISSION, ACTING PURSUANT TO SAID SECTION 8(A),
MAY DETERMINE.
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
<PAGE>   2
 
***************************************************************************
*                                                                         *
*  Information contained herein is subject to completion or amendment. A  *
*  registration statement relating to these securities has been filed     *
*  with the Securities and Exchange Commission. These securities may not  *
*  be sold nor may offers to buy be accepted prior to the time the        *
*  registration statement becomes effective. This prospectus shall not    *
*  constitute an offer to sell or the solicitation of an offer to buy     *
*  nor shall there be any sale of these securities in any State in which  *
*  such offer, solicitation or sale would be unlawful prior to            *
*  registration or qualification under the securities laws of any such    *
*  State.                                                                 *
*                                                                         *
***************************************************************************

 
                             SUBJECT TO COMPLETION
   
                  PRELIMINARY PROSPECTUS DATED JANUARY 4, 1994
    
 
PROSPECTUS
- ----------
 
                                1,250,000 SHARES
 
                                SOUTHDOWN, INC.
                                  COMMON STOCK
                           -------------------------
     All 1,250,000 shares of Common Stock, par value $1.25 per share (the
"Common Stock"), of Southdown, Inc. (the "Company") offered hereby are being
offered by a selling shareholder (the "Selling Shareholder"). The Company will
not receive any of the proceeds from the sale of shares offered hereby. See
"Selling Shareholder."
 
   
     The Common Stock is listed on the New York Stock Exchange (the "NYSE")
under the symbol "SDW." On January 3, 1994, the last reported sale price of the
Common Stock on the NYSE was $24 1/2 per share. See "Price Range of the Common
Stock and Dividends."
    
 
     The offering of the Common Stock by the Selling Shareholder (the "Common
Stock Offering") is being conducted concurrently with an offering (the
"Preferred Stock Offering") of Preferred Stock, $          Cumulative
Convertible Series D, par value $.05 per share (the "Series D Preferred Stock")
of the Company. See "Recent Developments -- Concurrent Offerings." The closings
of the Common Stock Offering and the Preferred Stock Offering are not
conditioned on each other.
 
     SEE "INVESTMENT CONSIDERATIONS" FOR CERTAIN CONSIDERATIONS RELEVANT TO AN
INVESTMENT IN THE COMMON STOCK OFFERED HEREBY.
                           -------------------------
THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES
 AND EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION NOR HAS THE
  SECURITIES AND EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION
    PASSED UPON THE ACCURACY OR ADEQUACY OF THIS PROSPECTUS. ANY
     REPRESENTATION TO THE CONTRARY IS A CRIMINAL OFFENSE.
 
- ------------------------------------------------------------------------------
- ------------------------------------------------------------------------------
<TABLE>
<CAPTION>
                                                                                    PROCEEDS
                                                    PRICE TO      UNDERWRITING     TO SELLING
                                                     PUBLIC       DISCOUNT(1)    SHAREHOLDER(2)
- ------------------------------------------------------------------------------------------------
<S>                                                 <C>             <C>             <C>
Per Share.......................................      $              $               $
- ------------------------------------------------      --------       ----------      ---------
Total(3)........................................      $              $               $
</TABLE>
- ------------------------------------------------------------------------------
- ------------------------------------------------------------------------------
 
(1) The Company and the Selling Shareholder have agreed to indemnify the several
    Underwriters against certain liabilities under the Securities Act of 1933.
    See "Underwriting."
 
(2) Before deducting expenses of the offering payable by the Selling
    Shareholder, estimated at $          .
 
   
(3) The Selling Shareholder has granted to the several Underwriters an option,
    exercisable within 30 days after the date hereof, to purchase up to 187,500
    additional shares solely to cover over-allotments, if any. If such option is
    exercised in full, the total Price to Public, Underwriting Discount and
    Proceeds to Selling Shareholder will be $          , $          and
    $          , respectively.
    
                           -------------------------
   
     The shares are offered by the several Underwriters, subject to prior sale,
when, as and if issued to and accepted by them, subject to approval of certain
legal matters by counsel for the Underwriters and certain other conditions. The
Underwriters reserve the right to withdraw, cancel or modify such offer and to
reject orders in whole or in part. It is expected that delivery of the shares of
Common Stock will be made in New York, New York on or about January  , 1994.
    
                           -------------------------
MERRILL LYNCH & CO.
                            KIDDER, PEABODY & CO.
                                    INCORPORATED
                                                     LEHMAN BROTHERS
                           -------------------------
   
                The date of this Prospectus is January  , 1994.
    
<PAGE>   3
 
IN CONNECTION WITH THIS OFFERING, THE UNDERWRITERS MAY OVER-ALLOT OR EFFECT
TRANSACTIONS WHICH STABILIZE OR MAINTAIN THE MARKET PRICE OF THE COMMON STOCK AT
A LEVEL ABOVE THAT WHICH MIGHT OTHERWISE PREVAIL IN THE OPEN MARKET. SUCH
TRANSACTIONS MAY BE EFFECTED ON THE NEW YORK STOCK EXCHANGE, IN THE
OVER-THE-COUNTER MARKET OR OTHERWISE. SUCH STABILIZING, IF COMMENCED, MAY BE
DISCONTINUED AT ANY TIME.
 
                             AVAILABLE INFORMATION
 
     The Company, a Louisiana corporation organized in 1930, has filed with the
Securities and Exchange Commission (the "Commission") a Registration Statement
on Form S-3 (together with all amendments and exhibits thereto, the
"Registration Statement") under the Securities Act of 1933, as amended (the
"Securities Act"), with respect to the securities to which this Prospectus
relates.
 
     The Company is subject to the informational requirements of the Securities
Exchange Act of 1934, as amended (the "Exchange Act"), and is required to file
reports, proxy statements and other materials with the Commission. Such reports,
proxy statements and other materials filed with the Commission are available for
inspection and copying at the public reference facilities maintained by the
Commission at 450 Fifth Street, N.W., Judiciary Plaza, Washington, D.C. 20549,
and are available for inspection and copying at certain of the Commission's
regional offices at the following locations: Citicorp Center, 500 West Madison
Street, Suite 1400, Chicago, Illinois 60621-2511; and Seven World Trade Center,
13th Floor, New York, New York 10048. Copies of such materials also may be
obtained by mail, upon payment of the Commission's customary charges, by writing
to its principal office at 450 Fifth Street, N.W., Judiciary Plaza, Washington,
D.C. 20459. Such materials and other information concerning the Company are also
available for inspection at the office of the NYSE, 20 Broad Street, New York,
New York 10005.
 
     This Prospectus does not contain all of the information set forth in the
Registration Statement of which this Prospectus is a part, including the
exhibits to the Registration Statement. Statements contained herein concerning
the provisions of documents are necessarily summaries of such documents, and
each such statement is qualified in its entirety by reference to the applicable
documents filed with the Commission. For further information with respect to the
Company and the securities offered hereby, reference is made to the Registration
Statement, including the exhibits thereto, which may be inspected at the public
reference facilities of the Commission referred to above, and copies of which
may be obtained therefrom upon payment of the Commission's customary charges.
The Company's principal executive office is located at 1200 Smith Street, Suite
2400, Houston, Texas 77002-4486, and its telephone number at that address is
(713) 650-6200.
 
                INCORPORATION OF CERTAIN DOCUMENTS BY REFERENCE
 
   
     The following materials previously filed by the Company with the Commission
pursuant to the Exchange Act (File No. 1-6117), are incorporated herein by
reference: the Annual Report on Form 10-K for the fiscal year ended December 31,
1992; the Quarterly Report on Form 10-Q for the quarterly period ended March 31,
1993; the Quarterly Report on Form 10-Q for the quarterly period ended June 30,
1993; the Quarterly Report on Form 10-Q for the quarterly period ended September
30, 1993; the Current Report on Form 8-K dated December 21, 1993; the Form 8-C
dated September 17, 1969 with respect to the Common Stock; and the Form 8-A
dated March 4, 1991 with respect to the Rights to Purchase Preferred Stock. For
convenience of reference, the consolidated financial statements and
"Management's Discussion of Financial Condition and Results of Operations" from
the September 30, 1993 Quarterly Report on Form 10-Q are reproduced in this
Prospectus. All documents filed by the Company with the Commission pursuant to
Section 13(a), 13(c), 14 or 15(d) of the Exchange Act after the date of this
Prospectus and before the termination of this offering shall be deemed to be
incorporated herein by reference.
    
 
   
     Any statement contained in a document incorporated or deemed to be
incorporated herein by reference (including such information that is also
reproduced herein for convenience of reference) shall be deemed to be modified
or superseded for purposes of this Prospectus to the extent that a statement
contained herein or in any other subsequently filed document that also is or is
deemed to be incorporated herein by reference modifies or supersedes such
statement. Any such statement so modified or superseded shall not be deemed,
except as so modified or superseded, to constitute a part of this Prospectus.
    
 
     The Company will provide without charge to each person to whom a copy of
this Prospectus is delivered, upon request by such person, a copy of any and all
documents that are incorporated herein by reference (other than exhibits to such
documents, unless such exhibits are specifically incorporated by reference in
any such document). Requests for copies of such documents should be addressed to
the Company at its principal executive offices as follows: Mr. James L. Persky,
Senior Vice President -- Finance, Southdown, Inc., 1200 Smith Street, Suite
2400, Houston, Texas 77002-4486, (telephone (713) 650-6200).
 
                                        2
<PAGE>   4
 
                              [INSIDE FRONT COVER]
 
              PHOTOGRAPH OF THE COMPANY'S VICTORVILLE, CALIFORNIA
                                  CEMENT PLANT
 
             PHOTOGRAPH OF CONCRETE POURING AT COMMERCIAL JOB SITE
<PAGE>   5
 
                 MAP OF UNITED STATES IDENTIFYING LOCATIONS OF
           THE COMPANY'S CEMENT PLANTS, CONCRETE PRODUCTS OPERATIONS
                         AND HAZARDOUS WASTE PROCESSORS
<PAGE>   6
 
                               PROSPECTUS SUMMARY
 
     The following summary is qualified in its entirety by the more detailed
information and financial statements included elsewhere or incorporated by
reference into this Prospectus. As used herein, the terms "Southdown" and the
"Company" refer to Southdown, Inc. together with its subsidiaries. Unless
otherwise noted, all information in this Prospectus assumes the Underwriters'
over-allotment option is not exercised.
 
                                  THE COMPANY
 
   
     Southdown is one of the leading producers of cement and ready-mixed
concrete in the United States. The Company operates eight quarrying and
manufacturing facilities and a network of 18 terminals for the production and
distribution of portland and masonry cement, primarily in the Ohio valley and
the southwestern and southeastern regions of the United States. Southdown is
also vertically integrated, with ready-mixed concrete operations serving markets
in southern California, Florida and southeast Georgia. In addition, the Company
is engaged in the environmental services business, which involves the collection
of hazardous waste and processing it into hazardous waste derived fuels that,
together with tires and other waste materials, are utilized in certain of the
Company's cement kilns as a supplement to conventional fuels. The Company is
headquartered in Houston, Texas and employs approximately 2,700 people
nationwide.
    
 
                SUMMARY HISTORICAL FINANCIAL AND OPERATING DATA*
 
   
<TABLE>
<CAPTION>
                                       NINE MONTHS ENDED
                                         SEPTEMBER 30,                         YEARS ENDED DECEMBER 31,
                                       ------------------      ---------------------------------------------------------
                                        1993        1992        1992        1991        1990         1989        1988(A)
                                       ------      ------      ------      ------      -------      -------      -------
                                                  (IN MILLIONS, EXCEPT PER SHARE AMOUNTS AND OPERATING DATA)
<S>                                    <C>         <C>         <C>         <C>         <C>          <C>          <C>
INCOME STATEMENT DATA:
  Revenues...........................  $406.6      $383.3      $507.4      $506.9      $ 565.9      $ 592.5      $ 543.4
  Operating earnings (loss)..........  $ 28.9      $  9.4      $(16.6)     $(15.7)     $  47.6      $  87.9      $  77.9
  Earnings (loss) from continuing
    operations.......................  $ (0.3)     $(14.9)     $(41.4)(b)  $(43.2)(c)  $  13.4(d)   $  23.0      $  17.3
  Earnings from discontinued
    operations, net of income
    taxes(e).........................      --          --          --          --           --         11.6         19.8
  Gain on sale of discontinued
    operations, net of income
    taxes(e).........................      --         0.8         0.8          --           --         33.4           --
  Cumulative effect of change in
    accounting principle.............   (48.5)(f)      --          --          --           --           --         19.6(g)
  Extraordinary charge, net of
    related tax benefit(h)...........      --          --          --        (1.4)          --           --           --
                                       ------      ------      ------      ------      -------      -------      -------
  Net earnings (loss)................  $(48.8)     $(14.1)     $(40.6)     $(44.6)     $  13.4      $  68.0      $  56.7
                                       ------      ------      ------      ------      -------      -------      -------
                                       ------      ------      ------      ------      -------      -------      -------
Earnings (loss) per share --
  Continuing operations..............  $(0.24)     $(1.10)     $(2.74)     $(2.86)     $  0.44      $  1.06      $  0.99
  Discontinued operations(e).........      --          --          --          --           --         0.57         1.15
  Gain on sale of discontinued
    operations(e)....................      --        0.05        0.05          --           --         1.63           --
  Cumulative effect of change in
    accounting principle.............   (2.86)(f)      --          --          --           --           --         1.14(g)
  Extraordinary charge, net of
    related tax benefit(h)...........      --          --          --       (0.08)          --           --           --
                                       ------      ------      ------      ------      -------      -------      -------
  Net earnings (loss)................  $(3.10)     $(1.05)     $(2.69)     $(2.94)     $  0.44      $  3.26      $  3.28
                                       ------      ------      ------      ------      -------      -------      -------
                                       ------      ------      ------      ------      -------      -------      -------
OPERATING DATA:
  Tons of cement sold (in
    thousands).......................   4,637       4,369       5,788       5,340        5,876        6,155        5,923
  Weighted average per ton data:
    Sales price (net of freight).....  $51.43      $50.27      $49.98      $52.26      $ 52.67      $ 52.88      $ 53.01
    Manufacturing and other plant
      operating costs(i).............   39.23       39.54(j)    39.70(j)    43.72        40.83        40.28        41.69
                                       ------      ------      ------      ------      -------      -------      -------
    Margin...........................  $12.20      $10.73      $10.28      $ 8.54      $ 11.84      $ 12.60      $ 11.32
                                       ------      ------      ------      ------      -------      -------      -------
                                       ------      ------      ------      ------      -------      -------      -------
  Yards of ready-mixed concrete sold
    (in thousands)...................   2,420       2,319       3,038       3,488        4,179        4,786        4,038
  Weighted average per cubic yard
    data:
    Sales price......................  $43.70      $43.17      $43.13      $42.97      $ 45.70      $ 45.44      $ 45.24
    Operating costs(k)...............   45.23       46.46       46.66       46.69        46.01        42.78        42.89
                                       ------      ------      ------      ------      -------      -------      -------
    Margin...........................  $(1.53)     $(3.29)     $(3.53)     $(3.72)     $ (0.31)     $  2.66      $  2.35
                                       ------      ------      ------      ------      -------      -------      -------
                                       ------      ------      ------      ------      -------      -------      -------
</TABLE>
    
 
- ---------------
 
   
* Alphabetical note references refer to the notes to Selected Historical
  Financial and Operating Data that appear on page 14.
    
 
                                        3
<PAGE>   7
 
                           THE COMMON STOCK OFFERING
 
   
<TABLE>
<S>                                              <C>
Common Stock Offered by the Selling
  Shareholder.................................   1,250,000 shares. See "Selling Shareholder"
                                                 and "Description of Capital Stock -- Common
                                                 Stock" and "-- Rights."
Common Stock Offered by the Company...........   None.
Common Stock Outstanding at
  December 31, 1993...........................   17,045,809 shares(1).
Selling Shareholder...........................   The Common Stock is being offered by The
                                                 Carpenters Pension Trust for Southern
                                                 California. See "Selling Shareholder."
Shares of Common Stock to be held by the
  Selling Shareholder after the Common Stock
  Offering....................................   1,271,600 shares(2).
Use of proceeds...............................   The Company will not receive any proceeds
                                                 from the sale of shares of Common Stock by
                                                 the Selling Shareholder. See "Use of
                                                 Proceeds."
NYSE symbol...................................   SDW.
Concurrent Offering...........................   Concurrently with the Common Stock Offering,
                                                 the Company is conducting the Preferred
                                                 Stock Offering. The net proceeds from the
                                                 sale of the Series D Preferred Stock in the
                                                 Preferred Stock Offering will be used to
                                                 redeem $45 million principal amount of the
                                                 Company's 12% Senior Subordinated Notes due
                                                 1997 (the "12% Notes") and to repay a
                                                 portion of the amounts previously borrowed
                                                 under the Company's Restated Revolving
                                                 Credit Facility to redeem the balance of the
                                                 12% Notes. See "Recent
                                                 Developments -- Concurrent Offerings" and
                                                 "Use of Proceeds."
</TABLE>
    
 
- ---------------
 
   
(1) Excludes approximately 7.6 million additional shares of Common Stock
    reserved for issuance pursuant to the Company's Preferred Stock, $3.75
    Convertible Exchangeable Series B ("Series B Preferred Stock") and other
    outstanding convertible securities, warrants and stock options and
              additional shares of Common Stock initially reserved for issuance
    upon conversion of shares of Series D Preferred Stock which may be issued in
    the Preferred Stock Offering.
    
 
(2) Includes 158,000 shares of Common Stock issuable upon conversion of 63,200
    shares of Series B Preferred Stock owned by the Selling Shareholder.
 
                                        4
<PAGE>   8
 
                           INVESTMENT CONSIDERATIONS
 
   
     Prospective purchasers of the Common Stock offered hereby should consider
the following matters, as well as the other information in this Prospectus and
the documents incorporated herein by reference.
    
 
DEPENDENCE ON CONSTRUCTION INDUSTRY; PROFIT SENSITIVITY
 
   
     Demand for cement is derived from demand for concrete products which, in
turn, is derived from demand for construction. The construction sector is
affected by the general condition of the economy and can exhibit substantial
variations across the country as a result of the differing structures of
regional economies. Regional cement markets are highly cyclical, experiencing
peaks and valleys correlated with regional construction cycles. While the impact
on the Company of construction cycles in individual regions may be mitigated to
some degree by the geographic diversification of the Company, profitability is
very sensitive to small shifts in the balance between supply and demand. New
construction activities stagnated as the U.S. economy entered a recession during
the later half of 1990, declined in 1991 in most areas and, in California,
continued to decline in 1992. As a consequence, the Company's sales and earnings
declined from the previous cyclical peak. Construction activity in some regions
has rebounded slightly in 1993. See "Management's Discussion and Analysis of
Financial Condition and Results of Operations -- Results of Operations."
    
 
   
FIXED CHARGE DEFICIENCY; DIVIDENDS
    
 
   
     Since 1991, the Company's earnings have been insufficient to cover its
combined fixed charges and preferred stock dividends. See "Selected Historical
Financial and Operating Data." In addition, the Company's ability to pay
dividends on its capital stock is restricted in certain circumstances by certain
provisions of various of its debt instruments, including the Company's Restated
Revolving Credit Facility and the Indenture relating to its 14% Senior
Subordinated Notes Due 2001. See "Description of Capital Stock -- Limitations on
Dividends and Certain Other Payments." The Company has paid no dividends on its
Common Stock since the first quarter of 1991. See "Price Range of the Common
Stock and Dividends."
    
 
STATUS OF CERTAIN TARIFFS
 
     A group of domestic cement producers, including the Company, filed
antidumping petitions which have resulted in the imposition of significant
antidumping duty cash deposits on cement imported from Mexico and Japan. In
addition, the U.S. Department of Commerce has signed an agreement with
Venezuelan cement producers, which is designed to eliminate the dumping of gray
portland cement from Venezuela into Florida and the United States generally. The
antidumping duties are subject to annual review by the Department of Commerce
and appeal to the U.S. Court of International Trade.
    
     Effective July 15, 1995, the Anti-dumping Code of the General Agreement on
Tariffs and Trade will be substantially altered pursuant to the recently
completed Uruguay Round of multilateral trade negotiations. The new Code applies
to investigations initiated after July 1995 and to administrative reviews of
outstanding orders that are initiated after July 1995. If Congress passes
legislation to approve and implement the Uruguay Round agreement, changes will
necessarily be made to U.S. antidumping law. While the antidumping orders
outstanding against cement and clinker from Mexico and Japan and the suspension
agreement on cement and clinker from Venezuela will remain in force, the new
Code will require "sunset" reviews of the antidumping orders against Mexico and
Japan prior to July 2000 to determine whether they should terminate or remain in
effect, unless an earlier date is mandated by Congress. Under the new Code, it
could be more difficult to obtain antidumping orders against other countries. A
substantial reduction or elimination of the existing antidumping duties could
adversely affect the Company's results of operations. See "Management's
Discussion and Analysis of Financial Condition and Results of
Operations -- Status of Additional Sources of Cement Supply."
     
   
     The Company does not believe that the North American Free Trade Agreement
will have a material adverse effect on the existing antidumping duties.
    
 
                                        5
<PAGE>   9
 
ENVIRONMENTAL MATTERS
 
     Industrial operations have been conducted at some of the Company's cement
manufacturing facilities for almost 100 years. In the past, the Company disposed
of various materials, including used refractory brick and other products
generally used in its cement manufacturing and concrete products operations, in
onsite and offsite facilities. Many of these residuals, when discarded, are now
classified as hazardous wastes and are subject to regulation under federal and
state environmental laws and regulations, which may require the Company to
undertake corrective action to remediate these sites.
 
     Many of the raw materials, products and by-products associated with the
operation of any industrial facility, including those for the production of
cement or concrete products, contain chemical elements or compounds that are
designated as hazardous substances. Some examples of such materials are the
trace metals present in cement kiln dust ("CKD"), chromium present in refractory
brick formerly widely used to line cement kilns and general purpose solvents.
CKD is not classified as a hazardous waste, except CKD which is produced by
kilns burning hazardous waste fuels and which fails to meet certain criteria.
However, CKD that is infused with water may produce a leachate with an
alkalinity high enough to be classified as hazardous and may also leach certain
hazardous trace metals present therein. Several of the Company's inactive CKD
disposal sites around the country are under study to determine if remedial
action is required at any of the sites and, if so, the extent of any such
remedial action. The Company has recorded charges aggregating $9.7 million as
the total estimated cost to remediate one of these sites. See "Management's
Discussion and Analysis of Financial Condition and Results of Operations --
Known Events, Trends and Uncertainties."
 
     Owners and operators of industrial facilities and those who handle, store
or dispose of hazardous substances may be subject to fines and other sanctions
imposed by the U.S. Environmental Protection Agency and corresponding state
regulatory agencies for violations of laws or regulations relating to those
substances. The Company has incurred fines imposed by those agencies in the
past. Recently, as part of an aggressive inspection and enforcement initiative
targeting combustion industry facilities in which it is seeking over $19.8
million in penalties against the owners and operators of 28 boilers and
industrial furnaces, the U.S. EPA alleged certain violations by the Company and
proposed the assessment of a civil penalty in the amount of $1.1 million. See
"Management's Discussion and Analysis of Financial Condition and Results of
Operations -- Known Events, Trends and Uncertainties -- Environmental Matters."
 
     The Company's utilization of hazardous waste derived fuels ("HWDF") in its
cement kilns has necessitated the familiarization of its work force with the
more exacting requirements of applicable environmental laws and regulations with
respect to human health and the environment related to these activities. The
failure to observe the exacting requirements of these laws and regulations could
jeopardize the Company's hazardous waste management permits and, under certain
circumstances, expose the Company to significant liabilities and costs of
cleaning up releases of hazardous substances into the environment or claims by
employees or others alleging exposure to toxic or hazardous substances. See
"Management's Discussion and Analysis of Financial Condition and Results of
Operations."
 
LEGAL PROCEEDINGS
 
   
     The Company is involved in various legal proceedings, certain of which are
described in Item 5. "Other Events" of the Company's Current Report on Form 8-K
dated December 21, 1993, Item 1. "Legal Proceedings" of the Quarterly Report on
Form 10-Q for the Quarterly Period ended September 30, 1993, and Item 3. "Legal
Proceedings" of the Company's Annual Report on Form 10-K for the year ended
December 31, 1992.
    
 
                                        6
<PAGE>   10
 
                                  THE COMPANY
 
     Southdown is one of the leading producers of cement and ready-mixed
concrete in the United States. The Company operates eight quarrying and
manufacturing facilities and a network of 18 terminals for the production and
distribution of portland and masonry cement, primarily in the Ohio valley and
the southwestern and southeastern regions of the United States. Southdown is
also vertically integrated, with ready-mixed concrete operations serving markets
in southern California, Florida and southeast Georgia. In addition, the Company
is engaged in the environmental services business, which involves the collection
of hazardous waste and processing it into HWDF that, together with tires and
other waste materials, are utilized in certain of the Company's cement kilns as
a supplement to conventional fuels. The Company is headquartered in Houston,
Texas and employs approximately 2,700 people nationwide.
 
     Cement Operations. The Company is the third-largest cement producer in the
United States and believes that its network of eight cement plants is one of the
most modern and efficient of any large manufacturer in this country. Seven of
its eight plants utilize a variation of the more fuel efficient "dry process"
manufacturing technology. The Company's plants are located in California,
Colorado, Florida, Kentucky, Ohio, Pennsylvania, Tennessee and Texas. Cement
markets are generally regional, due to transportation costs which are high
relative to the value of the products. The primary end-users of cement in each
regional market include numerous small and sometimes one or more large
ready-mixed concrete companies. Cement is the binding agent for concrete, a
primary construction material.
 
     During the first nine months of 1993, the cement operations generated
revenues of $277.6 million and operating earnings of $61.1 million compared with
revenues of $256.5 million and operating earnings of $49.2 million during the
comparable period a year ago. The improved performance is primarily a result of
higher sales volumes and prices. The cement operations generated revenues of
$339.5 million and operating earnings of $59.0 million in 1992 compared with
revenues of $328.4 million and operating earnings of $41.8 million in 1991. The
improved performance in 1992 was primarily a result of significant cost
reductions and an 8% increase in sales volume, partially offset by a decline in
the average price of cement.
 
     The demand for cement is highly cyclical and is derived from the demand for
construction. Construction spending and cement consumption have historically
fluctuated widely. Following this pattern, cement demand began to decline in
1990, appears to have reached its cyclical low in 1991 and was flat to slightly
higher in most regions of the country during 1992 and the first nine months of
1993. The Portland Cement Association (the "PCA"), an industry trade group,
estimates that total U.S. cement consumption will increase from a cyclical low
of 79 million tons in 1991 to 98 million tons in 1996. This forecast of peak
U.S. cement consumption compares with consumption of 93 million tons at the last
cyclical peak in 1987. The demand for cement can be divided into three major
market segments: residential construction, commercial and industrial
construction, and infrastructure or public works projects which represented 24%,
22% and 54%, respectively, of cement consumption in 1992.
 
     The supply of cement in the U.S. has declined in recent years primarily
because of a decrease in the volume of imported cement entering the country.
During the 1980's, imported cement flooded U.S. markets, causing prices to fall
despite strong growth in cement consumption. This situation has begun to reverse
as evidenced by the reduction in imported cement to 8% of total U.S. consumption
in 1992 as compared with 17% of total U.S. consumption in 1989. This decline is
largely the result of successful antidumping actions filed against importers
from Mexico, Japan and Venezuela. With respect to the California, Florida and
Texas markets, the antidumping suits have provided an opportunity for domestic
producers to displace large volumes of imported cement during the current
recession. See "Investment Considerations -- Status of Certain Tariffs" and
"Management's Discussion and Analysis of Financial Condition and Results of
Operations -- Known Events, Trends and Uncertainties -- Other
Contingencies -- Status of Additional Sources of Cement Supply."
 
     The profitability of the cement industry is highly sensitive to changes in
sales and production volumes because of the high fixed cost nature of the
manufacturing process. High levels of capacity utilization are therefore
important to the financial performance of the industry, as incremental sales
volumes generate substantial variable gross profits. If the strong demand for
cement projected by the PCA for the 1990's materializes and imports continue at
present low levels, U.S. producers should be able to operate at or near
 
                                        7
<PAGE>   11
 
capacity as the industry moves toward the next cyclical peak. The pricing
environment should also improve as demand increases and domestic capacity
becomes fully utilized. In addition to an improved supply and demand situation
in the 1990's, Southdown expects to benefit from enhanced cement manufacturing
efficiency and productivity improvement programs. After several years in the
formulation and early implementation stages, these programs have begun to
produce results with approximately $16.0 million of cost savings in 1992. These
cost reductions are expected to continue and to be augmented by some additional
cost reductions in future periods.
 
     Concrete Products. The Company has vertically integrated its operations
into concrete products in the regional vicinity of its two largest cement
plants, which are located in southern California and Florida. The Company
believes that vertical integration into ready-mixed concrete enhances its
competitive position in these markets. Concrete is produced in batch plants by
combining cement, aggregates, add-mixtures and water and is transported to the
customer's jobsite in mixer trucks. Ready-mixed concrete is a versatile, low-
cost building material used in almost all construction applications.
 
     In the third quarter of 1993 the concrete products segment recorded its
first operating earnings in three years. The segment recorded $0.5 million of
operating earnings in the third quarter of 1993 compared with an operating loss
of $2.4 million for the third quarter of 1992. During the first nine months of
1993, the concrete products segment generated revenues of $129.6 million and an
operating loss of $1.1 million compared with revenues of $119.9 million and an
operating loss of $8.0 million in the comparable period a year ago. The improved
earnings are a result of higher ready-mixed concrete volumes and prices in
Florida, and lower unit costs and improved earnings from aggregates in southern
California. In 1992 the concrete products segment generated revenues of $158.1
million and an operating loss of $11.6 million compared with revenues of $181.1
million and an operating loss of $12.7 million in 1991. While operating earnings
from the Florida concrete products operations increased in 1992, this
improvement was offset by the continued deterioration in the southern California
market.
 
   
     Environmental Services. Southdown collects hazardous waste and processes it
into HWDF through its wholly owned subsidiary, Southdown Environmental Systems,
Inc. ("SES"). The HWDF, as well as tires and other waste materials, are used by
Southdown as a partial replacement for conventional fuels in certain of its
cement kilns. Southdown earns a fee for processing the hazardous waste and then
uses the HWDF, tires and other waste materials in certain of its cement plants
to reduce its outside purchases of conventional fuel, one of its largest
variable costs. After suffering three years of start-up losses, in late 1992
Southdown reorganized this business, narrowing its focus to primarily providing
HWDF for its own cement kilns. Southdown is in the process of consolidating this
business, selling a number of processors and centralizing the bulk of its
operations in its Tennessee processing facility, which is being upgraded and
expanded to provide state-of-the-art capacity for blending HWDF.
    
 
     During the first nine months of 1993, the environmental services operations
generated revenues of $27.5 million versus $32.4 million in the comparable 1992
period and an operating loss of $1.2 million for the first nine months of 1993,
a $6.8 million improvement over the operating loss of $8.0 million in the first
nine months of 1992. In 1992 the environmental services segment generated
revenues of $43.4 million and an operating loss of $10.6 million, excluding the
$21.4 million writedown related to the sale of processors and the related
reorganization of these operations. In 1991 revenues were $36.8 million and
losses from operations were $4.4 million.
 
                                        8
<PAGE>   12
 
                              RECENT DEVELOPMENTS
 
RESTATED REVOLVING CREDIT FACILITY
 
   
     On November 19, 1993, the Company and its lending banks entered into a $200
million Restated Revolving Credit Facility. This facility includes the issuance
of standby letters of credit up to a maximum of $95 million and also includes
$20 million of borrowing capacity that is reserved solely for potential funding
obligations under a Keepwell Agreement with the U.S. Maritime Administration.
The Restated Revolving Credit Facility remains the same size as the Revolving
Credit Facility described under "Management's Discussion and Analysis of
Financial Condition and Results of Operations -- Liquidity and Capital
Resources," and matures in November 1996. Substantially all of the Company's
assets remain pledged to secure this facility. The Restated Revolving Credit
Facility permits borrowings to redeem up to $45 million in principal amount of
the Company's 12% Senior Subordinated Notes due 1997 (the "12% Notes") (see
"Capitalization"), and the Company believes that this facility provides the
Company with enhanced flexibility under the restrictive covenants contained
therein. On January 3, 1994, the current interest rate under the Restated
Revolving Credit Facility was approximately 6.0%.
    
 
CONCURRENT OFFERINGS
 
   
     Richard C. Blum & Associates, Inc. ("RCBA"), on behalf of The Carpenters
Pension Trust for Southern California (the "Trust"), is the beneficial owner of
2,363,600 shares of Common Stock and 63,200 shares of Series B Preferred Stock
(which are convertible into 158,000 shares of Common Stock). Pursuant to a
Registration Rights and Lock Up Agreement with RCBA and the Trust dated November
22, 1993 (the "Registration Rights Agreement"), the Company agreed to file a
Registration Statement for the Common Stock Offering, and the Trust proposes to
sell 1,250,000 shares of Common Stock (plus 187,500 shares solely to cover
over-allotments) in the Common Stock Offering. RCBA has advised the Company that
the holdings in Southdown have grown to be the Trust's largest investment
position and that RCBA as investment manager and fiduciary has made the decision
to reduce the holdings based on principles of prudent portfolio management.
    
 
     In the Preferred Stock Offering, which is an underwritten public offering
being conducted concurrently with the Common Stock Offering, the Company is
offering 1,500,000 shares of Series D Preferred Stock and has granted to the
underwriters of that offering an option to purchase up to an additional 225,000
shares of Series D Preferred Stock, solely to cover over-allotments. For a
description of the Series D Preferred Stock, see "Description of Capital
Stock -- Preferred Stock -- Series D Preferred Stock."
 
   
     In the Registration Rights Agreement, RCBA and the Trust agreed that until
90 days after the effective date of the registration statement relating to the
Preferred Stock Offering (or until the Company abandons the Preferred Stock
Offering), they and their affiliates and associates would not directly or
indirectly sell, contract or agree to sell, offer to sell or otherwise dispose
of any of their shares of Common Stock or Series B Preferred Stock except a sale
to the Underwriters of the Common Stock Offering contemporaneously with the
Company's sale of the Series D Preferred Stock to the underwriters of the
Preferred Stock Offering. If the registration statement relating to the
Preferred Stock Offering has not become effective by March 1, 1994, however, the
Registration Rights Agreement will not prohibit RCBA and the Trust from selling
their shares after that date. The Company has agreed that after the period in
which RCBA and the Trust have agreed not to sell their shares, they may require
the Company to register the sale of their remaining shares under the Securities
Act. The Company will not be obligated to keep that registration statement
effective after March 1, 1995.
    
 
   
CKD AT FORMER USX SITE
    
 
   
     The Company owns two inactive CKD disposal sites in Ohio that were formerly
owned by a division of USX Corporation ("USX"). In September 1993, the Company
filed a complaint against USX alleging that with respect to the larger of these
two sites (the "Site"), USX is a potentially responsible party and therefore
jointly and severally liable for costs associated with cleanup of the Site. USX
answered the complaint in November 1993 by filing a motion to dismiss the
lawsuit. The Company filed a response to the motion to dismiss in December 1993.
In late December 1993, the Company received a preliminary engineering cost
    
 
                                        9
<PAGE>   13
 
   
estimate which reflects that, based on information developed to date, costs of
Site remediation will probably range between $8 million and $32 million. See
"Management's Discussion and Analysis of Financial Condition and Results of
Operations -- Known Trends, Events and Uncertainties -- Environmental Matters."
Counsel to the Company on this matter has advised that it appears there is a
reasonable basis for the apportionment of cleanup costs relating to the Site
between the Company and USX, with USX shouldering substantially all of the
cleanup costs because, based on the facts known at this time, the Company itself
disposed of no CKD at the Site and is potentially liable under CERCLA because of
its current ownership of the Site. See "Management's Discussion and Analysis of
Financial Condition and Results of Operations -- Known Trends, Events and
Uncertainties -- Environmental Matters."
    
 
                                       10
<PAGE>   14
 
                                USE OF PROCEEDS
 
     The Company will not receive any proceeds from the sale of the Common Stock
by the Selling Shareholder in the Common Stock Offering. The Company intends to
redeem all of the $90 million principal amount of outstanding 12% Notes with a
combination of borrowings under its Restated Revolving Credit Facility and the
proceeds of the Preferred Stock Offering. The 12% Notes mature on May 1, 1997
and may be redeemed at the option of the Company at a current redemption price
equal to 101.714% of the principal amount, plus accrued interest to the
redemption date. See "Capitalization." See "Recent Developments -- Restated
Revolving Credit Facility" for a description of certain terms of the Restated
Revolving Credit Facility.
 
                 PRICE RANGE OF THE COMMON STOCK AND DIVIDENDS
 
     The Company's Common Stock is traded on the New York Stock Exchange
(Symbol:SDW). The following table sets forth the high and low sales prices of
the Common Stock for the indicated periods as reported by the NYSE and the
dividends paid per share of Common Stock.
 
   
<TABLE>
<CAPTION>
                                                                                     DIVIDENDS
                                                                 PRICE RANGE         PAID
                                                               ----------------       PER
                                                               HIGH        LOW       SHARE
                                                               -----      -----      -----
    <S>                                                        <C>        <C>        <C>
    1991
      First Quarter.........................................   $  19      $11 1/8    $.125
      Second Quarter........................................   19 7/8     14 1/2         *
      Third Quarter.........................................   18 1/2     13 1/4         *
      Fourth Quarter........................................   15 1/8     11 1/4         *
    1992
      First Quarter.........................................   $  16      $12 3/8        *
      Second Quarter........................................   14 7/8     9 3/8          *
      Third Quarter.........................................      11      8 1/4          *
      Fourth Quarter........................................   11 1/2     9 3/8          *
    1993
      First Quarter.........................................   $12 1/4    $9 5/8         *
      Second Quarter........................................   17 3/8     9 5/8          *
      Third Quarter.........................................   24 7/8     15 7/8         *
      Fourth Quarter........................................   25 7/8     20 3/4         *
    1994
      First Quarter (through January 3, 1994)...............   $24 3/4    $24 3/8        *
</TABLE>
    
 
- ---------------
 
* On April 25, 1991, the Board of Directors suspended the dividend on the
  Company's Common Stock.
 
     See the cover page of this Prospectus for a recent reported sale price of
the Common Stock on the New York Stock Exchange.
 
                                       11
<PAGE>   15
 
                                 CAPITALIZATION
 
   
     The table below sets forth the Company's capitalization at September 30,
1993, as adjusted to reflect the anticipated redemption on January 5, 1994, of
$45 million in principal amount of the 12% Notes (including the payment of
premium and accrued interest thereon) with borrowings of approximately $48.0
million under the Restated Revolving Credit Facility, and as further adjusted to
reflect the closing of the Preferred Stock Offering (without exercise of the
underwriters' over-allotment option in that offering) and the use of proceeds
therefrom (assuming net proceeds to the Company of $72.0 million) to redeem the
balance of the 12% Notes and to repay a portion of the borrowings under the
Restated Revolving Credit Facility.
    
 
<TABLE>
<CAPTION>
                                                                  SEPTEMBER 30, 1993
                                                      ------------------------------------------
                                                      ACTUAL   AS ADJUSTED   AS FURTHER ADJUSTED
                                                      ------   -----------   -------------------
                                                                    (IN MILLIONS)
    <S>                                               <C>      <C>           <C>
    Current maturities of long-term debt............. $ 20.4     $  20.4           $  20.4
                                                      ------   -----------         -------
                                                      ------   -----------         -------
    Long-term debt, less current maturities
      Revolving Credit Facility(1)................... $ 16.1     $  64.1           $  40.1
      12% Senior Subordinated Notes due 1997.........   90.0        45.0                --
      14% Senior Subordinated Notes Due 2001.........  121.6       121.6             121.6
      Other..........................................   42.5        42.5              42.5
                                                      ------   -----------         -------
              Total long-term debt...................  270.2       273.2             204.2
                                                      ------   -----------         -------
    Series A Preferred Stock.........................   20.0        20.0              20.0
    Series B Preferred Stock.........................   47.9        47.9              47.9
    Series D Preferred Stock.........................     --          --              75.0
    Common shareholders' equity......................  195.9       194.8(2)          190.8(2)(3)
                                                      ------   -----------         -------
              Total shareholders' equity.............  263.8       262.7             333.7
                                                      ------   -----------         -------
              Total capitalization................... $534.0     $ 535.9           $ 537.9
                                                      ------   -----------         -------
                                                      ------   -----------         -------
    Long-term debt as a percentage of total
      capitalization.................................   50.6%       51.0%             38.0%
                                                      ------   -----------         -------
                                                      ------   -----------         -------
</TABLE>
 
- ---------------
 
(1) The Revolving Credit Facility has been amended and restated. See "Recent
    Developments -- Restated Revolving Credit Facility."
 
(2) Gives effect to the extraordinary charge, net of income tax, relating to the
    premium and debt issuance costs associated with the early extinguishment of
    $45 million principal amount ($90 million principal amount, as further
    adjusted) of 12% Notes.
 
(3) Gives effect to the estimated $3 million of costs associated with the
    issuance of the Series D Preferred Stock.
 
                                       12
<PAGE>   16
 
                SELECTED HISTORICAL FINANCIAL AND OPERATING DATA
 
     The following table sets forth selected historical financial and operating
data for the Company for the nine-month periods ended September 30, 1993 and
1992 and for each of the five fiscal years in the period ended December 31,
1992. The selected historical financial information for the Company for the
nine-month periods ended September 30, 1993 and 1992 has been derived from the
Company's unaudited condensed consolidated financial statements, which, in the
opinion of the Company's management, reflect all adjustments (all of which are
of a normal and recurring nature) necessary for a fair presentation of the
financial position, results of operations and cash flows of the Company on a
consolidated basis for such periods. The interim information for the period
ended September 30, 1993 is not necessarily indicative of results to be expected
for the full fiscal year. The selected historical financial information for the
Company for each of the three fiscal years in the period ended December 31, 1992
has been derived from the consolidated financial statements of the Company
audited by Deloitte & Touche, independent public accountants, as indicated in
their reports thereon. The selected historical financial information for the
Company for each of the two fiscal years in the period ended December 31, 1989
has been derived from the audited consolidated financial statements of the
Company. This historical data should be read in conjunction with the condensed
consolidated financial statements and the consolidated financial statements and
notes thereto of the Company and "Management's Discussion and Analysis of
Financial Condition and Results of Operations," included elsewhere in this
Prospectus and in the Company's Annual Report on Form 10-K for the year ended
December 31, 1992. See "Incorporation of Certain Documents by Reference."
Certain data for prior years have been reclassified for purposes of comparison.
 
<TABLE>
<CAPTION>
                                                 NINE MONTHS ENDED
                                                   SEPTEMBER 30,                         YEARS ENDED DECEMBER 31,
                                                 ------------------       ------------------------------------------------------
                                                  1993        1992         1992        1991        1990        1989      1988(A)
                                                 ------      ------       ------      ------      -------     -------    -------
                                                            (IN MILLIONS, EXCEPT PER SHARE AMOUNTS AND OPERATING DATA)
<S>                                              <C>         <C>          <C>         <C>         <C>         <C>        <C>
INCOME STATEMENT DATA:
  Revenues.....................................  $406.6      $383.3       $507.4      $506.9      $ 565.9     $ 592.5    $ 543.4
  Operating earnings (loss)....................  $ 28.9      $  9.4       $(16.6)     $(15.7)     $  47.6     $  87.9    $  77.9
  Interest expense.............................  $ 30.3      $ 34.3       $ 45.0      $ 40.7      $  31.7     $  53.5    $  48.5
  Earnings (loss) from continuing operations...  $ (0.3)     $(14.9)      $(41.4)(b)  $(43.2)(c)  $  13.4(d)  $  23.0    $  17.3
  Earnings from discontinued operations, net of
    income taxes(e)............................      --          --           --          --           --        11.6       19.8
  Gain on sale of discontinued operations, net
    of income taxes(e).........................      --         0.8          0.8          --           --        33.4         --
  Cumulative effect of change in accounting
    principle..................................   (48.5)(f)      --           --          --           --          --       19.6(g)
  Extraordinary charge, net of related tax
    benefit(h).................................      --          --           --        (1.4)          --          --         --
                                                 ------      ------       ------      ------      -------     -------    -------
  Net earnings (loss)..........................  $(48.8)     $(14.1)      $(40.6)     $(44.6)     $  13.4     $  68.0    $  56.7
                                                 ------      ------       ------      ------      -------     -------    -------
                                                 ------      ------       ------      ------      -------     -------    -------
  Primary earnings (loss) per share --
    Continuing operations......................  $(0.24)     $(1.10)      $(2.74)     $(2.86)     $  0.44     $  0.99    $  0.94
    Discontinued operations(e).................      --          --           --          --           --        0.69       1.39
    Gain on sale of discontinued
      operations(e)............................      --        0.05         0.05          --           --        1.98         --
    Cumulative effect of change in accounting
      principle................................   (2.86)(f)      --           --          --           --          --       1.39(g)
    Extraordinary charge, net of related tax
      benefit(h)...............................      --          --           --       (0.08)          --          --         --
                                                 ------      ------       ------      ------      -------     -------    -------
    Net earnings (loss)........................  $(3.10)     $(1.05)      $(2.69)     $(2.94)     $  0.44     $  3.66    $  3.72
                                                 ------      ------       ------      ------      -------     -------    -------
                                                 ------      ------       ------      ------      -------     -------    -------
  Fully diluted earnings (loss) per share --
    Continuing operations......................  $(0.24)     $(1.10)      $(2.74)     $(2.86)     $  0.44     $  1.06    $  0.99
    Discontinued operations(e).................      --          --           --          --           --        0.57       1.15
    Gain on sale of discontinued
      operations(e)............................      --        0.05         0.05          --           --        1.63         --
    Cumulative effect of change in accounting
      principle................................   (2.86)(f)      --           --          --           --          --       1.14(g)
    Extraordinary charge, net of related tax
      benefit(h)...............................      --          --           --       (0.08)          --          --         --
                                                 ------      ------       ------      ------      -------     -------    -------
    Net earnings (loss)........................  $(3.10)     $(1.05)      $(2.69)     $(2.94)     $  0.44     $  3.26    $  3.28
                                                 ------      ------       ------      ------      -------     -------    -------
                                                 ------      ------       ------      ------      -------     -------    -------
OTHER DATA:
  Capital expenditures.........................  $ 18.5      $ 11.9       $ 17.4      $ 31.0      $  43.0     $  37.4    $  26.9
  Depreciation, depletion and amortization.....    33.4        39.0         52.1        50.2         45.2        45.1       35.6
  Cash dividends paid per share of common
    stock......................................      --          --           --       0.125         0.50        0.50       0.50
BALANCE SHEET DATA:
  Total assets.................................  $890.2      $961.2       $910.6      $986.1      $1,039.7    $1,063.5   $1,208.7
  Total debt...................................   290.6       329.4        314.8       332.7        317.3       262.0      435.3
  Preferred stock subject to mandatory
    redemption.................................      --          --           --          --          6.0        12.0       18.0
  Shareholders' equity.........................   263.8       344.2        316.4       362.0        410.1       410.5      354.1
</TABLE>
 
                                             (Table continued on following page)
 
                                       13
<PAGE>   17
 
   
<TABLE>
<CAPTION>
                             NINE MONTHS ENDED
                               SEPTEMBER 30,                         YEARS ENDED DECEMBER 31,
                             ------------------      ---------------------------------------------------------
                              1993        1992        1992        1991        1990         1989        1988(A)
                             ------      ------      ------      ------      -------      -------      -------
<S>                          <C>         <C>         <C>         <C>         <C>          <C>          <C>
OPERATING DATA:
  Tons of cement sold (in
    thousands).............   4,637       4,369       5,788       5,340        5,876        6,155        5,923
  Weighted average per ton
    data:
    Sales price (net of
      freight).............  $51.43      $50.27      $49.98      $52.26      $ 52.67      $ 52.88      $ 53.01
    Manufacturing and other
      plant operating
      costs(i).............   39.23       39.54(j)    39.70(j)    43.72        40.83        40.28        41.69
                             ------      ------      ------      ------      -------      -------      -------
    Margin.................  $12.20      $10.73      $10.28      $ 8.54      $ 11.84      $ 12.60      $ 11.32
                             ------      ------      ------      ------      -------      -------      -------
                             ------      ------      ------      ------      -------      -------      -------
  Yards of ready-mixed
      concrete sold (in
      thousands)...........   2,420       2,319       3,038       3,488        4,179        4,786        4,038
  Weighted average per
      cubic yard data:
    Sales price............  $43.70      $43.17      $43.13      $42.97      $ 45.70      $ 45.44      $ 45.24
    Operating costs(k).....   45.23       46.46       46.66       46.69        46.01        42.78        42.89
                             ------      ------      ------      ------      -------      -------      -------
    Margin.................  $(1.53)     $(3.29)     $(3.53)     $(3.72)     $ (0.31)     $  2.66      $  2.35
                             ------      ------      ------      ------      -------      -------      -------
                             ------      ------      ------      ------      -------      -------      -------
</TABLE>
    
 
- ---------------
 
(a) Includes operations of former Moore McCormack Resources, Inc. facilities
    subsequent to their acquisition by the Company on April 6, 1988.
 
(b) Includes a $21.4 million pretax write-down of certain environmental services
    assets.
 
(c) Includes $16 million equity in pretax loss of unconsolidated joint venture.
 
(d) Includes a $10 million pretax charge attributable to an unfavorable
    arbitration ruling and a $6.6 million pretax credit to pension expense.
 
   
(e) The Company's oil and gas operations, which were sold on November 15, 1989,
    are reflected as discontinued operations and, accordingly, have been
    excluded from continuing operations for all years shown. The final portion
    of the Company's gain on the sale was recognized in September 1992. See Note
    7 of Notes to Consolidated Financial Statements contained herein.
    
 
(f)  After-tax effect of initial obligation for estimated postretirement health
     care benefits as required by adoption of SFAS No. 106 effective January 1,
     1993.
 
(g) Cumulative effect of change in accounting for income taxes in accordance
    with Statement of Financial Accounting Standards No. 96 adopted effective
    January 1, 1988.
 
(h) Premium on early extinguishment of debt.
 
(i)  Includes fixed and variable manufacturing costs, selling expenses, plant
     general and administrative costs, other plant overhead and miscellaneous
     costs.
 
(j)  Excludes the effects of an $853,000 charge for unpaid use taxes related to
     prior years.
 
(k)  Includes variable and fixed plant costs, delivery, selling, general and
     administrative and miscellaneous operating costs.
 
                                       14
<PAGE>   18
 
                      MANAGEMENT'S DISCUSSION AND ANALYSIS
               OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS*
 
RESULTS OF OPERATIONS
 
  Consolidated Third Quarter Earnings
 
     Operating earnings for the third quarter of 1993 were $11.4 million
compared with $9.5 million in the prior year quarter. Net earnings for the third
quarter of 1993 were $1.5 million, $0.01 per share fully diluted, compared with
a net loss from continuing operations of $500,000, $0.10 per share fully
diluted, for the comparable quarter in 1992. The Company also recognized an
$800,000 after-tax gain on discontinued operations, $0.05 per share fully
diluted, in the third quarter of 1992 resulting from recognition of the final
portion of the Company's gain realized in conjunction with the 1989 sale of the
Company's oil and gas operations that had been deferred pending the expiration
of certain contingencies.
 
     Third quarter 1993 revenues improved 12% compared with the prior year
quarter primarily because of increased sales volumes from the cement and
concrete products operating segments and improved cement sales prices. Improved
results were reported by all three operating segments in the third quarter of
1993 compared with the prior year quarter as a result of improved margins in the
Cement and Concrete Products operations and improved results related to the late
1992 restructuring of the Environmental Services segment and a prior year
quarter $450,000 charge at one of the Company's hazardous waste processing
facilities to record the estimated cost to decontaminate equipment and dispose
of contaminated waste that was accepted and processed in error. The third
quarter of 1993 included a $3 million charge to increase the estimated liability
for remediation of an inactive cement kiln dust (CKD) disposal site while the
prior year quarter included a $2.7 million gain recognized on the sale of a
cement terminal.
 
     Depreciation, depletion and amortization in the third quarter of 1993 was
lower than the prior year quarter because of the 1992 write-down of certain
goodwill and non-compete contracts and the decision to lease, rather than
purchase, new mobile equipment in the current year. General and administrative
costs declined by $1 million compared with the prior year quarter because of
cost reduction measures imposed during 1993.
 
     Primarily as a result of lower outstanding debt, interest expense for the
third quarter of 1993 was $9.5 million compared with $10.8 million in the prior
year quarter.
 
  Consolidated Year-to-date Earnings
 
     Operating earnings for the nine months ended September 30, 1993 were $28.9
million compared with $9.4 million for the prior year period. Including a $48.5
million, $2.86 per share, first quarter charge related to adoption of SFAS No.
106, the net loss for the nine months ended September 30, 1993 was $48.8
million, $3.10 per share fully diluted. The net loss from continuing operations
for the prior year period was $14.9 million, $1.10 per share fully diluted. The
prior year period also included an $800,000 after-tax gain on discontinued
operations, $0.05 per share fully diluted.
 
     Consolidated revenues in the 1993 period increased slightly over the prior
year period primarily because of improvements in sales volumes and sales prices
from the cement and concrete products operating segments. The $19.5 million
increase in operating earnings resulted primarily from improvements in each of
the operating segments because of: (i) improved sales volumes and operating
margins from the Cement and Concrete Products operations; (ii) the sale or prior
year write-down of four hazardous waste processing facilities that generated
operating losses in the prior year period and (iii) improved operating results
from the remaining waste processors. The current year-to-date period included
(i) a $3 million charge to increase the estimated liability for remediation of
an inactive CKD disposal site; (ii) a $1.7 million charge for proxy contest fees
and expenses and (iii) a $1.2 million gain from the sale of the Company's right
to receive its
 
- ---------------
 
   
* As presented in the Company's Quarterly Report on Form 10-Q for the three
 months ended September 30, 1993, and reproduced herein for convenience of
 reference. For certain more recent information, see "Recent Developments" and
 "Investment Considerations -- Limitations on Dividends and Certain Other
 Payments" and "-- Status of Certain Tariffs."
    
 
                                       15
<PAGE>   19
 
portion of the settlement of bankruptcy claims against LTV Corporation. The
prior year period included (i) a $3.6 million charge related to remediation of
the same inactive CKD disposal site previously mentioned; (ii) a $1.1 million
charge related to the decontamination of equipment and incineration of PCB
materials; (iii) an $853,000 charge for unpaid use taxes and penalty and
interest due thereon; (iv) a $2.7 million gain recognized on the sale of a
cement terminal and (v) a $2.7 million gain representing a fee earned for
approval of a non-affiliated debt refinancing.
 
     Although year-to-date revenues increased 6% over the 1992 period, operating
costs increased only approximately 1% because of the favorable impact of
continued cost savings measures. Operating costs were also favorably impacted by
the elimination of operating costs attributable to the four hazardous waste
processing facilities which were sold or classified as "Held for Sale" by the
end of 1992.
 
     Depreciation, depletion and amortization for the first nine months of 1993
declined compared with the prior year period because of the 1992 write-down of
certain goodwill and non-compete contracts and the decision to lease, rather
than purchase, new mobile equipment in the current year. Primarily because of
cost reduction measures imposed during 1993, general and administrative expenses
for the nine months ended September 30, 1993 decreased by $1.4 million despite
charges through June 30, 1993 totaling $3.5 million to accrue the estimated cost
allocable to the period for providing postretirement health care benefits in
excess of claims incurred as required by the 1993 adoption of SFAS No. 106.
 
     Interest expense for the nine months ended September 30, 1993 was $4
million lower than the prior year period primarily because of lower outstanding
debt.
 
     The $48.5 million charge as a result of the adoption of SFAS No. 106 is
reported as the "Cumulative effect of a change in accounting principle," net of
tax, and represents the initial liability for postretirement benefits, other
than pensions attributable to employee services provided in years prior to 1993.
 
SEGMENT OPERATING EARNINGS
 
  Cement
 
     Third quarter -- Operating earnings for the three month period ended
September 30, 1993 of $21.8 million improved over the $20.3 million reported in
the prior year quarter. Despite higher per unit costs at several of the cement
manufacturing plants, all of the plants reported improved quarter-to-quarter
results attributable to higher sales volumes and sales prices except for the
Pittsburgh, Pennsylvania plant which had lower sales volumes during the current
year quarter.
 
     Year-to-date -- Operating earnings for the nine months ended September 30,
1993 were $61.1 million compared with $49.2 million (as reclassified for
comparability) in the prior year period. The 1992 period included an $853,000
charge to record unpaid use taxes and penalties. Excluding the unusual 1992
charge, 1993 operating results improved over the prior year primarily as a
result of a 6% increase in sales volumes and a 14% improvement in margins. The
segment's cost containment program has produced additional reductions in 1993
operating costs compared with the prior year period. The average 1993 sales
price is higher because of partial realization of price increases implemented at
several of the Company's cement plants during the year. During the past several
years, the Company has contracted for terms up to 15 months under large volume
sales contracts with several other manufacturers or distributors. These
contracts generally have lower sales prices than the Company's customary sales
arrangements and some of them have take-or-pay provisions. The Company is in
renegotiation of certain of these contracts to provide for, among other things,
multi-year duration terms. Sales under these large volume, lower margin cement
sales contracts during the nine months ended September 30, 1993 represented
approximately the same percentage of the Cement segment's revenues and operating
earnings as in the corresponding period of 1992. Improvements in operating
earnings over the prior year period were realized at six of the Company's cement
plants (all but the Pittsburgh, Pennsylvania and Knoxville, Tennessee plants).
Operating earnings declined at the Pittsburgh and Knoxville plants primarily
because of higher operating costs resulting primarily from greater than expected
maintenance shutdowns and various other operating problems occurring during the
year.
 
                                       16
<PAGE>   20
 
     Sales volumes, average unit price and cost data and unit operating profit
margins relating to the Company's cement plant operations appear in the
following table:
 
<TABLE>
<CAPTION>
                                                    THREE MONTHS
                                                        ENDED           NINE MONTHS ENDED
                                                    SEPTEMBER 30,         SEPTEMBER 30,
                                                  -----------------     -----------------
                                                   1993       1992       1993       1992
                                                  ------     ------     ------     ------
        <S>                                       <C>        <C>        <C>        <C>
        Tons of cement sold (thousands).........   1,784      1,635      4,637      4,369
                                                  ------     ------     ------     ------
                                                  ------     ------     ------     ------
        Weighted average per ton data:
          Sales price (net of freight)..........  $52.68     $50.32     $51.43     $50.27
          Manufacturing and other plant
             operating costs(1).................   38.37      37.69      39.23      39.54(2)
                                                  ------     ------     ------     ------
        Margin..................................  $14.31     $12.63     $12.20     $10.73
                                                  ------     ------     ------     ------
                                                  ------     ------     ------     ------
</TABLE>
 
- ---------------
 
(1) Includes fixed and variable manufacturing costs, selling expenses, plant
     general and administrative costs, other plant overhead and miscellaneous
     costs.
 
(2) Excludes the effects of an $853,000 charge for unpaid use taxes related to
     prior years.
 
     The increase in the average sales price per ton for the three and nine
months ended September 30, 1993 reflects a general firming of cement prices
throughout the industry and at least the partial realization of price increases
implemented at several of the Company's cement plants during 1993. The decrease
in operating costs per ton for the nine months ended September 30, 1993 compared
with the prior year period was attributable to the positive impact of cost
savings measures as well as to higher sales volumes which resulted in fixed
costs being spread over more units. Operating costs per ton for the three months
ended September 30, 1993 were higher than the prior year quarter primarily
because of higher maintenance and repair costs at several of the manufacturing
facilities.
 
  Concrete Products
 
     Third quarter -- The operating results for the Concrete Products segment
was a profit of $500,000 in the third quarter of 1993 compared with an operating
loss of $2.4 million in the prior year quarter. Revenues increased 21% from the
prior year quarter because improved sales volumes from the Florida and southern
California concrete products operation and higher sales prices in Florida more
than offset continued declines in sales prices from the southern California
ready-mixed concrete operation.
 
     Despite lower ready-mixed concrete sales prices in southern California, the
segment's operating results from that region improved primarily because of
higher sales volumes of ready-mixed concrete and aggregates and lower costs.
Operating results for the Florida ready-mixed operations also improved,
reflecting higher sales volumes and prices from the ready-mixed concrete
operation as well as continuing improvement from the block, resale and fly ash
operations. The 1993 quarter comparison with the prior year quarter was also
aided by the late 1992 sale of the remaining Florida aggregate operation which
incurred losses of $400,000 in the third quarter of 1992.
 
     Year-to-date -- The Concrete Products segment's operating loss for the nine
months ended September 30, 1993 improved to $1.1 million from the $8.0 million
loss reported in the prior year period. Revenues increased approximately 8% over
the prior year period because of higher sales volumes and prices from the
Florida concrete products operation.
 
     In spite of lower sales volumes and prices and unusual, extremely heavy
rains during the first two months of 1993, the operating loss for the southern
California ready-mixed concrete operation declined significantly because cost
containment measures were successful in reducing unit operating costs. Results
also improved from higher aggregates sales volumes and prices. Operating results
for the Florida ready-mixed operation improved because of a 3% increase in the
average sales price per cubic yard of concrete combined with higher operating
earnings from the concrete block, resale and fly ash operations. The
period-to-period comparison
 
                                       17
<PAGE>   21
 
was also aided by the late 1992 sale of the remaining Florida aggregate
operation which lost $1.1 million in the prior year period.
 
     Sales volumes, unit price and cost data and unit operating profit (loss)
margins relating to the Company's ready-mixed concrete operations appear in the
following table:
 
<TABLE>
<CAPTION>
                                                    THREE MONTHS
                                                        ENDED           NINE MONTHS ENDED
                                                    SEPTEMBER 30,         SEPTEMBER 30,
                                                  -----------------     -----------------
                                                   1993       1992       1993       1992
                                                  ------     ------     ------     ------
        <S>                                       <C>        <C>        <C>        <C>
        Yards of ready-mixed concrete sold
          (thousands)...........................     920        772      2,420      2,319
                                                  ------     ------     ------     ------
                                                  ------     ------     ------     ------
        Weighted average per cubic yard data:
          Sales price...........................  $43.32     $43.35     $43.70     $43.17
          Operating costs(1)....................   44.15      46.71      45.23      46.46
                                                  ------     ------     ------     ------
        Margin..................................  $(0.83)    $(3.36)    $(1.53)    $(3.29)
                                                  ------     ------     ------     ------
                                                  ------     ------     ------     ------
</TABLE>
 
- ---------------
 
(1) Includes variable and fixed plant costs, delivery, selling, general and
     administrative and miscellaneous operating costs.
 
     The increase in the weighted average sales price per yard for the nine
months ended September 30, 1993 compared with the 1992 periods reflects higher
sales prices in the Company's Florida market partially offset by lower prices in
the Company's southern California market. The decrease in the weighted average
operating costs per yard for the three and nine months ended September 30, 1993
compared with the 1992 periods is attributable to lower material costs and the
implementation of an automated truck-tracking system which has resulted in
increased productivity for the southern California operation.
 
  Environmental Services
 
     Third quarter -- Despite limited earnings from resource recovery
operations, the operating loss of the Environmental Services segment for the
three months ended September 30, 1993 was approximately $1 million compared with
a loss of $3.1 million in the prior year quarter. The prior year quarter
included a $450,000 charge related to the decontamination of equipment and
incineration of contaminated waste materials that were accepted and processed in
error. Excluding the $450,000 charge, hazardous waste processing operation's
results improved $1.3 million as the operations of the Tennessee, Alabama and
California hazardous waste processing facilities were improved over the prior
year quarter. Four other hazardous waste processing facilities which were sold
or written-down by the end of the 1992 incurred losses of a combined $1.4
million in the third quarter of 1992. Third quarter 1993 operations were also
favorably impacted by the fourth quarter 1992 write-down of certain goodwill and
non-compete contracts which resulted in a $644,000 decline in third quarter 1993
amortization costs.
 
     Year-to-date -- The Environmental Services segment reported an operating
loss of approximately $1.2 million for the nine months ended September 30, 1993
compared with a loss of $8 million in the prior year period. Segment operating
losses improved because: (i) the prior year period included $3.8 million in
operating losses from four hazardous waste processing facilities which were sold
or reclassified as "Held for Sale" by the end of 1992; (ii) the prior year
period included a $1.1 million decontamination and incineration charge mentioned
previously; (iii) improved operating results from the Tennessee, Alabama and
California hazardous waste processing facilities and (iv) a $1.8 million decline
in 1993 amortization costs as a result of the fourth quarter 1992 writedown.
 
  Corporate
 
     Third quarter -- Corporate general and administrative expenses were $6.5
million in the third quarter of 1993. Corporate general and administrative
expenses were $7.3 million in the prior year quarter. General and administrative
expenses in the third quarter of 1993 were lower than the comparable prior year
quarter for various cost categories as a result of cost reduction measures
imposed during early 1993.
 
                                       18
<PAGE>   22
 
     Miscellaneous expense in the 1993 quarter included a $3 million charge to
increase the estimated liability for remediation of an inactive CKD disposal
site. Miscellaneous income in the third quarter of 1992 included a $2.7 million
gain on the sale of a cement terminal.
 
     Year-to-date -- Excluding the $3.2 million in charges accrued in the first
nine months of 1993 as a result of the adoption of SFAS No. 106, corporate
general and administrative expenses were $20.5 million for the nine months ended
September 30, 1993 compared with $23.7 million in the prior year period. General
and administrative expenses during 1993 were lower than the prior year period
for almost all cost categories as a result of cost reduction measures imposed
during 1993.
 
     Miscellaneous income and expense during 1993 included: (i) a $3 million
charge to increase the estimated liability for remediation of an inactive CKD
disposal site; (ii) a $1.7 million charge for proxy contest fees and expenses
and (iii) a $1.2 million gain on the sale of the Company's right to receive its
portion of the settlement of the bankruptcy claims against LTV Corporation.
Miscellaneous income for the prior year period included: (i) a $2.7 million gain
representing a fee earned for approval of a non-affiliated debt refinancing;
(ii) a $2.7 million gain related to the sale of the cement terminal as discussed
above and (iii) a $3.6 million charge related to remediation of the same
inactive CKD disposal site previously mentioned.
 
LIQUIDITY AND CAPITAL RESOURCES
 
     The discussion of liquidity and capital resources included on pages 35
through 44 of the Company's Annual Report on Form 10-K for the year ended
December 31, 1992, should be read in conjunction with the discussion of
liquidity and capital resources contained herein.
 
     The Company's operating earnings improved from $9.4 million for the nine
months ended September 30, 1992 to $28.9 million in the current period.
Operating earnings improved by 34% in the Company's Cement segment and the
operating losses generated by the Concrete Products and Environmental Services
segments were reduced significantly compared with the prior year period. Before
a $48.5 million after-tax, noncash charge for the cumulative effect of a change
in accounting principle (see Note 3 of Notes to Consolidated Financial
Statements), the net loss from continuing operations for the nine months ended
September 30, 1993 was $300,000 compared with a $14.9 million net loss from
continuing operations in the prior year period.
 
     Internally generated cash flow from operations, a $15.7 million Federal
income tax refund from the carryback to prior years of the 1992 tax loss and
$6.3 million in cash generated from asset sales, were utilized to meet all of
the Company's cash requirements for the nine months ended September 30, 1993.
Such cash flow was utilized to: (i) invest approximately $18.5 million in
property, plant and equipment; (ii) reduce long-term debt by $24.1 million and
(iii) pay dividends on preferred stock. Although effective January 1, 1993 the
Company adopted an accrual basis of accounting for postretirement health care
benefit costs as required by SFAS No. 106, the Company continues to pay for such
costs as incurred. In the first nine months of 1992, the Company invested
approximately $11.9 million in property, plant and equipment and, in addition,
approximately $4.9 million for the acquisition of a hazardous waste processing
facility. The Company also reduced long-term debt by $9.5 million in scheduled
loan repayments in the prior year period. The Company borrowed approximately
$6.2 million under its Revolving Credit Facility in the first nine months of
1992 and realized approximately $5.4 million in proceeds from miscellaneous
asset sales. In April 1992, the Company received an $18.5 million Federal income
tax refund from the carryback of the 1991 tax loss.
 
     The Company's Revolving Credit Facility totals $200 million and is
comprised of an approximately $36 million borrowing base working capital
facility maturing in 1994 and an approximately $164 million reducing revolving
loan which converts to a term loan in early 1994 and matures in 1997. The
Revolving Credit Facility includes the issuance of standby letters of credit up
to a maximum of $95 million. The Revolving Credit Facility also includes $20
million of borrowing capacity that is reserved solely for potential funding
obligations under a Keepwell Agreement with the U.S. Maritime Administration
(MARAD). There were no amounts outstanding under the Keepwell Agreement as of
September 30, 1993. Except for the amounts reserved under the Keepwell
Agreement, loans under either the working capital facility or revolving loan can
be used for general corporate purposes. All borrowings bear interest, at the
option of the Company, at margins above prime, the reserve adjusted London
InterBank Offering Rate or the certificate of deposit rate.
 
                                       19
<PAGE>   23
 
As of September 30, 1993, $16.1 million of borrowings and $67.3 million of
letters of credit were outstanding under the Revolving Credit Facility, leaving
$96.6 million of unused capacity.
 
     Because the revolving loan facility converts into a term loan in early
1994, the Company has begun negotiations to extend the term of the revolver and
to amend certain terms of the Revolving Credit Facility, including the financial
covenants, by the end of 1993. The Company also is actively considering the
issuance of securities convertible into its common stock, the proceeds of which
would probably be used to reduce a portion of its outstanding debt. The
Company's 12% senior subordinated notes are due in 1997, but are redeemable at
the option of the Company, in whole or in part, at redemption prices (plus
accrued interest to the date of redemption) of 101.714% of the principal amount
through April 30, 1994 and 100% of the principal amount thereafter.
 
CHANGES IN FINANCIAL CONDITION
 
     The change in financial condition of the Company between December 31, 1992
and September 30, 1993 reflects the utilization of the federal income tax refund
of $15.7 million combined with cash provided by operating activities to reduce
outstanding balances under the Company's Revolving Credit Facility and other
debt and to fund capital expenditures. The improved demand for cement and
related products in 1993 has resulted in a decrease in inventories. The decline
in prepaid expenses and other current assets reflects the February 1993 sale of
the Ohio hazardous waste processing facility which had been classified as a
current asset held for sale. Current maturities of long-term debt increased
because of the reclassification of the final scheduled payment of $18 million on
a promissory note due on March 31, 1994. Accounts payable and accrued
liabilities increased because of the timing of payments on normal trade and
other obligations including the aforementioned increase in the estimated
liability for remediation of an inactive CKD disposal site. The large decrease
in deferred income taxes and reinvested earnings and the large increase in the
long-term portion of postretirement benefit obligation reflects the recording of
the initial liability for postretirement benefits and the associated charges to
income and deferred income taxes as a result of the Company's adoption of SFAS
No. 106 effective January 1, 1993. (See Note 3 of Notes to Consolidated
Financial Statements.)
 
KNOWN EVENTS, TRENDS AND UNCERTAINTIES
 
  Environmental Matters
 
     The Company is subject to extensive Federal, state and local air, water and
other environmental laws and regulations. These constantly changing laws
regulate the discharge of materials into the environment and may require the
Company to remove or mitigate the environmental effects of the disposal or
release of certain substances at the Company's various operating facilities.
When it is determinable that a charge is both probable and estimatable at least
within a reasonable range of estimates, an appropriate charge and estimated
liability are accrued. Such estimates are revised periodically as additional
information becomes known. In addition, beginning January 1, 1993 the Company
implemented a systematic accrual of $125,000 a month to provide for certain
routine environmental contingencies, based on the Company's experience with such
matters. Actual cost to be incurred in future periods may vary from these
estimates and there can be no assurances that additional accrual amounts will
not be required in the future.
 
     Industrial operations have been conducted at some of the Company's cement
manufacturing facilities for almost 100 years. Many of the raw materials,
products and by-products associated with the operation of any industrial
facility, including those for the production of cement or concrete products, may
contain chemical elements or compounds that are designated as hazardous
substances. Some examples of such materials are the trace metals present in CKD,
chromium present in refractory brick used to line cement kilns and general
purpose solvents. In the past, the Company disposed of various materials,
including used refractory brick and other products generally used in its cement
manufacturing and concrete products operations, in onsite and offsite
facilities. Some of these residuals, when discarded, are now classified as
hazardous wastes and subject to regulation under federal and state environmental
laws and regulations, which may require the Company to remediate some or all of
the affected disposal sites. During the same period, the Company placed CKD in
abandoned quarries or other locations at its plant sites and elsewhere.
Management believes that the
 
                                       20
<PAGE>   24
 
Company's current procedures and practices for handling and management of
materials are consistent with industry standards and legal requirements and that
appropriate precautions are taken to protect employees and others from harmful
exposure to such materials. However, because of the complexity of operations and
legal requirements, there can be no assurance that past or future operations
will not result in operational errors, violations, remediation liabilities or
claims by employees or others alleging exposure to toxic or hazardous materials.
 
     The Company's utilization of hazardous waste derived fuels (HWDF) in some
of its cement kilns has necessitated the familiarization of its work force with
the more exacting requirements of applicable environmental laws and regulations
with respect to human health and the environment. The failure to observe the
exacting requirements of these laws and regulations could jeopardize the
Company's hazardous waste management permits and, under certain circumstances,
expose the Company to significant liabilities and costs of cleaning up releases
of hazardous wastes into the environment.
 
     The Clean Air Act Amendment of 1990 provided comprehensive federal
regulation of all sources of air pollution and established a new federal
operating permit and fee program for virtually all manufacturing operations. The
Clean Air Act Amendment will likely result in increased capital and operational
expenses for the Company in the future, the amounts of which are not presently
determinable. By 1995, the Company's U.S. operations will have to submit
detailed permit applications and pay recurring permit fees. In addition, EPA is
developing air toxics regulations for a broad spectrum of industrial sectors,
including portland cement manufacturing. It is unclear at this time whether the
Company's aggregate operations will also be covered. EPA has indicated that the
new maximum available control technology standards could require significant
reduction of air pollutants below existing levels prevalent in the industry.
 
     Hazardous waste processing facilities and the cement plants that burn HWDF
are highly regulated by federal, state and local environmental regulations. By
definition, the activities of the Environmental Services segment involve
materials that have been designated as hazardous wastes. The Comprehensive
Environmental Response, Compensation, and Liability Act of 1980 (CERCLA), as
amended by the Superfund Amendments and Reauthorization Act of 1986 (SARA), as
well as analogous laws in certain states, create joint and several liability for
the cost of cleaning up or correcting releases to the environment of designated
hazardous substances. Among those who may be held jointly and severally liable
are those who generated the waste, those who arranged for disposal, those who
owned the disposal site or facility at the time of disposal and current owners.
In general, this liability is imposed in a series of governmental proceedings
initiated by the identification of a site for initial listing as a "Superfund
site" on the National Priorities List or a similar state list and the
identification of potentially responsible parties who may be liable for cleanup
costs. Certain of the Company's disposal sites in Victorville, California and
Fairborn, Ohio are in the preliminary stages of evaluation for inclusion on the
National Priorities List.
 
     CKD is currently exempt from management as a hazardous waste, except CKD
which is produced by kilns burning HWDF and which fails to meet certain
criteria. However, CKD that comes in contact with water may produce a leachate
with an alkalinity high enough to be classified as hazardous and may also leach
the hazardous trace metals present therein. Leaching has led to the
classification of at least three CKD disposal sites of other companies as
federal Superfund sites. Several of the Company's inactive CKD disposal sites
around the country are under study to determine if remedial action is required
and in one case, the nature and extent of the remedial action required. These
studies may take some time to complete. Thereafter, remediation plans, if
required, will have to be devised and implemented, which could take several
additional years.
 
     An inactive CKD disposal site in Ohio is currently under investigation by
both the Company and state environmental agencies to determine appropriate
remedial action required at the site. In late July 1991, the Company submitted
to the Ohio Environmental Protection Agency (Ohio EPA) for evaluation an initial
remediation study indicating the potential extent and nature of a remediation
problem at this site. The initial study revealed that the leachate from the site
was negatively impacting the environment in the vicinity through ground and
surface water pathways. The full extent of the environmental impact, however,
was not determined during the first phase of the investigation and a reliable
estimate of total remedial costs could not be made at
 
                                       21
<PAGE>   25
 
that time. However, the Company recorded a charge of $3.1 million as its initial
estimate of the minimum remediation cost.
 
     In May 1992, a second phase investigation report related to this site was
finalized by the Company's consultant. The report described the results of a
hydrogeological investigation and provided background data for the assessment of
probable remedial alternatives. In addition, in July 1992 the Ohio EPA issued an
administrative order (Director's Order) with respect to this inactive CKD
disposal site. The Director's Order formalized the Company's own investigation
and remediation plans and required the Company to implement an approved
remediation workplan to be directed and monitored by the Ohio EPA. Because of
the Director's Order and the additional information produced by the ongoing
environmental and preliminary engineering investigations, the Company recorded
an additional $3.6 million pre-tax charge in the second quarter of 1992 to
increase its reserve with respect to this site to $6.7 million. In October 1993,
the Company received a consulting report proposing additional refinements of
earlier remediation estimates which increased the total estimated cost to
remediate this site from $6.7 million to $9.7 million. Accordingly, the Company
recorded an additional $3 million charge in the third quarter of 1993 to
recognize the change in the estimate.
 
     On a voluntary basis, without administrative or legal action being taken,
the Company is also investigating two other inactive Ohio CKD disposal sites.
The two additional sites in question were part of a cement manufacturing
facility that was owned and operated by a now dissolved cement company from 1924
to 1945 and by a division of USX Corporation (USX) from 1945 to 1975. The
facility was acquired by the Company in December 1976. The former owners
disposed of CKD and other plant waste materials at both sites but conditions at
the two sites in question have remained virtually unchanged from when they were
acquired by the Company. In 1991 the Company contracted to have an evaluation
performed of surface and groundwater characteristics in the vicinity of the
larger of the two sites (the Site). In general, the surface and groundwater
samples downstream from the Site showed elevated levels of alkalinity and heavy
metals classified as hazardous substances under CERCLA. The Company notified the
proper authorities and the United States Environmental Protection Agency (U.S.
EPA) has conducted a preliminary assessment to determine if the Site warrants
further governmental action. In July 1993, the Ohio EPA placed the Site on its
Master Sites List of sites that potentially pose a threat to public health or
the environment from the release or potential release of hazardous wastes or
substances into the environment.
 
     On September 24, 1993, the Company filed a complaint (the Complaint) in
U.S. District Court, Southern District of Ohio, Western Division, Case No.
C-3-93-354 (the USX Action), against USX, alleging that USX is a potentially
responsible party under CERCLA and under applicable Ohio law, and therefore
jointly and severally liable for costs associated with cleanup of the Site.
Prior to filing the Complaint, the Company had filed a similar action against
USX (the Prior Action) in U.S. District Court, Southern District of Ohio, in
July, 1993, containing allegations with respect to contribution for cleanup
costs relating to the Site under CERCLA substantially similar to those set forth
in the Complaint. In responding to the complaint in the Prior Action, USX
asserted that no liability for cleanup costs relating to the cement kiln dust in
the Site could be asserted by the Company against USX under CERCLA. Prior to a
determination by the U.S. District Court with respect to USX's motion to dismiss
in the Prior Action, counsel for the Company withdrew because of a perceived
conflict of interest. The Company then referred the matter to another law firm
and, after consultation with this firm, determined to voluntarily dismiss the
Prior Action without prejudice and to then immediately refile the matter in the
form of the Complaint. USX has not yet answered the Complaint, but an answer by
USX (or other preliminary motion by USX) in the USX Action is due on or before
November 12, 1993.
 
     The Company intends to vigorously pursue its right to contribution from USX
for cleanup costs under CERCLA and Ohio law. Based upon the advice of counsel,
the Company believes (i) that USX should not prevail as a matter of law on a
motion to dismiss the Complaint; (ii) it is probable that the court should find
the Site constitutes a facility from which a release or threatened release of a
hazardous substance has occurred; (iii) the release or threatened release has
caused the Company to incur response costs necessary and consistent with CERCLA
and (iv) that USX is a responsible party because it owned and operated the site
at the time of disposal of the hazardous substance, arranged for the disposal of
the hazardous substance and transported the hazardous substance to the Site.
Therefore, counsel to the Company has advised that it
 
                                       22
<PAGE>   26
 
appears there is a reasonable basis for the apportionment of cleanup costs
relating to the Site between the Company and USX, with USX shouldering
substantially all of the cleanup costs because, based on the facts known at this
time, the Company itself disposed of no cement kiln dust at the Site and is
potentially liable under CERCLA primarily because of its current ownership of
the Site. These determinations, however, are preliminary, and are based only
upon facts available to the Company prior to any discovery and prior to the
filing of an answer to the Complaint by USX.
 
     The Company expects to have determined a reasonable estimate, or at least
identified a range of Site remediation costs, by year-end 1993. Under CERCLA and
applicable Ohio law a court generally applies equitable principles in
determining the amount of contribution which a potentially responsible party
must provide with respect to a cleanup of hazardous substances and such
determination is within the sole discretion of the court. In addition, no
regulatory agency has directly asserted a claim against the Company as the owner
of the Site requiring it to remediate the property, and no cleanup of the Site
has yet been initiated.
 
     In late July 1993 a citizens' environmental group brought suit in U.S.
District Court for the Southern District of Ohio, Western Division (Greene
Environmental Coalition, Inc., an Ohio not-for-profit corporation v. Southdown,
Inc., a Louisiana corporation -- Case No. C-3-93-270) alleging the Company is in
violation of the Clean Water Act by virtue of the discharge of pollutants in
connection with the runoff of stormwater and groundwater from the Site and is
seeking injunctive relief, unspecified civil penalties and attorneys' fees,
including expert witness fees. In August the Company moved to dismiss the
complaint. The environmental group responded on October 22, 1993 and the Company
is preparing a reply. Pursuant to a preliminary pretrial conference order issued
by the court, the environmental group provided the Company with a written
settlement demand in early October 1993 which the Company is still reviewing.
Accordingly, the Company is unable to determine at this time what liability, if
any, it may have with respect to this matter.
 
     No substantial investigative work has been undertaken at other CKD sites in
Ohio. Although data necessary to enable the Company to estimate total
remediation costs is not available, the Company acknowledges that the ultimate
cost to remediate the CKD disposal problem in Ohio could be significantly more
than the amounts reserved.
 
     The Federal Water Pollution Control Act, commonly known as the Clean Water
Act (Clean Water Act) provides comprehensive federal regulation of all sources
of water pollution. In September 1992 the Company filed a number of applications
under the Clean Water Act for National Pollutant Discharge Elimination System
(NPDES) stormwater permits. The Company now believes that some of its existing
NPDES permits or pending applications relating to its cement plants and raw
materials quarries may not cover all process water and stormwater discharges.
Legal counsel has advised the Company, based upon its preliminary review of the
matter, that while the Clean Water Act authorizes, among other remedies, the
imposition of civil penalties of up to $25,000 per day for unpermitted
discharges of pollutants to the waters of the United States, several factors may
mitigate against the impositions of substantial fines. First, the Company is
moving forward as expeditiously as practicable to correct all NPDES permitting
deficiencies. Second, some of the permitting issues arise from mere technical
deficiencies in permit applications or from changes in discharge patterns after
submission of permit applications. In each such case, legal counsel believes
that such deficiencies are neither unusual nor difficult to rectify. Finally,
some of the deficiencies relate to questions of the scope of the Clean Water
Act's jurisdiction that are, at best, unclear.
 
     The Company recorded loss reserves for pre-acquisition contingencies in
conjunction with its acquisition of the hazardous waste processing facilities
and received certain indemnifications for environmental matters from the former
owners. However, there can be no assurance that such reserves and
indemnifications will be adequate to cover all potential environmental losses
that may occur with respect to these acquired entities. To the extent that
reserves were not established, are insufficient, or recovery under
indemnifications are not realizable, remediation amounts are charged to expense.
 
     While the Company's facilities at several locations are presently the
subject of various local, state and federal environmental proceedings and
inquiries, including being named a Potentially Responsible Party (PRP) with
regard to Superfund sites at several locations to which they are alleged to have
shipped materials for disposal, most of these matters are in their preliminary
stages and final results may not be
 
                                       23
<PAGE>   27
 
determined for years. Management of the Company believes, however, based solely
upon the information the Company has developed to date, that known matters can
be successfully resolved in cooperation with local, state and federal agencies
without having a material adverse effect upon the consolidated financial
condition of the Company, either individually or in the aggregate. This
assessment is reviewed periodically as additional information becomes available.
 
     In forming its belief that the matters described will not have a material
adverse effect on its consolidated financial condition, the Company considers,
among other things, the nature of the matters, the likelihood that a future
event or events will confirm the loss, impairment or the incurrence of a
liability, the response of environmental authorities to date and the experience
of the Company and others with the response of environmental authorities to
similar matters. The Company further evaluates various engineering, operational
and other options which might be available to address these matters. Estimates
of the future cost of environmental issues, however, are necessarily imprecise
as a result of numerous uncertainties including, among others, the impact of new
laws and regulations and the availability of new technologies. With respect to
matters which require fixed or reasonably determinable expenditures by the
Company, the Company also considers the period of time over which those
expenditures might be made. Independently of the evaluation of any liabilities,
the Company also considers whether such matters are within the scope of
contractual indemnities provided by others, the applicability of insurance
coverage or other potential recoveries from third parties, whether such
potential sources of recovery could be considered probable of realization and,
if so, how those indemnities would impact any cost to the Company. Accordingly,
until all environmental studies, investigations, remediation work and
negotiations with potential sources of recovery have been completed, it is
impossible to determine the ultimate cost of resolving these environmental
matters.
 
     EPA's Combustion Industry Strategy -- On May 18, 1993, the U.S. EPA
promulgated the agency's combustion strategy and waste minimization policy.
Under the combustion strategy, the U.S. EPA essentially imposed an 18-month
moratorium on the permitting of new thermal treatment capacity and ordered all
available agency resources be applied to issuing final burning permits to
offsite boilers and industrial furnaces, including cement kilns. In addition,
the U.S. EPA stated that it would use its omnibus permitting authority to reduce
the particulate standard, to establish a dioxin standard and to require risk
assessments of direct and indirect pathways of exposure. Furthermore, the U.S.
EPA indicated that there was substantial excess thermal treatment capacity in
the United States and that the U.S. EPA should reduce such permitted capacity by
25% over the next ten years. The Cement Kiln Recycling Coalition (CKRC), an
organization of cement manufacturers that burn hazardous waste derived fuel as a
fuel substitute and of which the Company is a member, sued to set aside the
combustion strategy largely because it was, in effect, a rule making without
notice and an opportunity for public hearing. The CKRC supports a legislative
program that would result in technology based standards for particulate and
dioxin controls applicable to all thermal treatment devices and risk assessment
standards that have been exhaustively reviewed during public hearing process.
The U.S. EPA has advised its regional administrators that the particulate and
dioxin standards set forth in the combustion strategy were for discussion
purposes, and would be definitively determined pursuant to subsequent
rulemakings. Therefore, the U.S. EPA and the CKRC have agreed to a nine month
stay of the CKRC's suit.
 
     On September 27, 1993, the U.S. EPA issued a Complaint and Compliance Order
(Order) (United States Environmental Protection Agency, Region 5 v. Southdown,
Inc. d/b/a Southwestern Portland Cement -- Docket No. VW 27-93) alleging certain
violations of the Resource Conservation and Recovery Act (RCRA) applicable to
the burning or processing of hazardous waste in an industrial furnace. The
alleged violations included, among others, exceedence of certified feed rates
for total hazardous waste at the Company's Ohio cement manufacturing facility,
failure to demonstrate that CKD generated at the facility is excluded from the
definition of hazardous waste and storage at the facility without a permit of
CKD alleged to be hazardous by virtue of that failure to demonstrate its
exclusion from the definition. The Order proposed the assessment of a civil
penalty in the amount of $1.1 million and closure of certain storage silos
containing the CKD that allegedly is hazardous waste. The Company was among a
group of owners and operators of 28 boilers and industrial furnaces, including
several other major cement manufacturers, from which the U.S. EPA is seeking
over $19.8 million in penalties as part of an aggressive inspection and
enforcement initiative targeting combustion industry facilities.
 
                                       24
<PAGE>   28
 
     The Company has engaged counsel to respond to the U.S. EPA Order and
believes, after reviewing the complaint and the Company's compliance with the
applicable regulations, there are substantial mitigating factors to the
interpretations and allegations contained in the Order. The Company
systematically accrues for routine environmental contingencies and believes,
based on the information currently available, the Order can be resolved without
material adverse financial statement effect on the consolidated financial
condition of the Company.
 
Other Contingencies
 
     Status of Additional Sources of Cement Supply -- Antidumping petitions
filed by a group of domestic cement producers, including the Company, resulted
in favorable determinations by the U.S. International Trade Commission (ITC)
against cement from Mexico and Japan in August 1990 and April 1991,
respectively. As a result, significant antidumping duty cash deposits have been
imposed on cement imports from these two countries. On February 11, 1992 the
U.S. Department of Commerce (Commerce Department) announced that it had signed
an agreement with Venezuelan cement producers which was designed to eliminate
the dumping of gray portland cement from Venezuela into Florida and the United
States generally.
 
     In response to the Mexican government's challenge of the ITC's injury
determination, a dispute resolution panel of the General Agreement on Tariffs
and Trade (GATT) recommended in July 1992 that the antidumping order be vacated
and that all duties collected under the order be returned. The GATT panel
determined that the antidumping order violates the GATT antidumping code because
the U.S. Commerce Department initiated the investigation without first verifying
that the petition was filed on behalf of the domestic cement producers in the
region. Under GATT rules, the full Antidumping Code Committee, of which the U.S.
is a member, must unanimously adopt the panel's recommendation before it becomes
a binding GATT obligation. The decision whether the U.S., as a member of the
Antidumping Code Committee, would vote to adopt the GATT dispute panel report
would be made by the Office of the U.S. Trade Representative (USTR). Even if the
USTR were to adopt the adverse panel report, the industry petitioners have been
advised that an act of the U.S. Congress would be required to vacate the
antidumping order.
 
     In February 1993, the U.S. Court of Appeals for the Federal Circuit
affirmed the ITC's August 1990 decision that U.S. cement producers were injured
by Mexican cement imports that were dumped at unfair prices in the southern tier
of the United States. In April 1993, the Commerce Department reduced the
antidumping duty cash deposit rate of Mexico's primary cement producer from 58
percent to 30 percent. In late August 1993 the Department of Commerce determined
that Mexico's primary cement producer was selling various types of cement
outside the ordinary course of trade in Mexico. As no information was available
to perform a "difference in merchandise" calculation between the types of cement
sold in the ordinary course of trade in Mexico and sold in the United States,
the Department of Commerce used a constructed value approach to determine a 43
percent dumping margin for cement imported from Mexico's primary exporter
between August 1991 and July 1992. In September 1993 the Department of Commerce
amended its final determination of the dumping margin for cement imported from
Mexico's primary exporter between April 1990 and July 1991, raising the margin
from 30 percent to 41 percent. The Department of Commerce is currently reviewing
imported Mexican cement for the period August 1992 through July 1993. The
antidumping cash deposit rate on imported cement from Mexico is now 43 percent
for the primary exporter and 58 percent for all other exporters.
 
     In April 1993, the U. S. Court of International Trade affirmed in part,
reversed in part, and remanded the ITC's affirmative final injury determination
against cement from Japan. In June 1993, the ITC issued an affirmative final
injury determination on remand. The Japanese respondents have appealed the
remand determination. If the remand determination is reversed on appeal, it
could have an adverse impact on the Company's results of operations. In October
1993 the Commerce Department reduced the antidumping duty cash deposit rate of
Japan's primary cement producer from approximately 45 percent to approximately
18 percent. The antidumping cash deposit rate on Japanese cement is now 18
percent for the primary exporter and between 64 percent and 70 percent for other
exporters. The Department of Commerce is currently reviewing imported Japanese
cement for the period May 1992 through April 1993.
 
                                       25
<PAGE>   29
 
     Discontinued Moore McCormack Operations -- In conjunction with the
acquisition of Moore McCormack Resources, Inc. (Moore McCormack) in 1988, the
Company assumed certain liabilities for operations that Moore McCormack had
previously discontinued. These liabilities, some of which are contingent,
represent guarantees and undertakings related to Moore McCormack's divestiture
of certain businesses in 1986 and 1987. Payments relating to liabilities from
these discontinued operations were $1.6 million for the first nine months of
1993, $2.5 million in 1992 and $2.4 million in 1991. A portion of these
liabilities relate to a bulk cargo shipping company which owns three ocean-going
tankers. The world tanker market is experiencing depressed conditions, and the
three tankers generated operating losses in 1992 and through the first nine
months of 1993. The Company is either a guarantor or directly liable under
certain charter hire debt agreements totaling approximately $13 million at
September 30, 1993, declining by approximately $4.0 million per year thereafter
through February 1997. If such depressed market conditions continue, then the
shipping company may be unable to meet its cash obligations in years subsequent
to 1993 under certain of its charter hire debt agreements, thereby requiring the
Company to fund the amount of its guarantee in cash. Although the estimated
liability under this guaranty has been included in the liability for
discontinued Moore McCormack operations, enforcement of the guaranty, while not
resulting in a charge to earnings, would result in a substantial cash outlay by
the Company. However, the Company believes it currently has sufficient borrowing
capacity under its Revolving Credit Facility to fund the guarantee, if required,
as well as meet its other borrowing needs for the foreseeable future.
 
     The Company's Revolving Credit Facility includes $20 million of borrowing
capacity that is reserved solely for potential funding of obligations under a
Keepwell Agreement between the Company and MARAD related to certain Great Lakes
shipping operations owned previously by Moore McCormack. During the second
quarter of 1993, the Great Lakes shipping operation sold its right to receive
its portion of the settlement of bankruptcy claims against LTV Corporation,
which has been operating under the protection of Chapter 11 of the United States
Bankruptcy Code since July 17, 1986, and received approximately $14 million in
gross proceeds before expenses and taxes. The net proceeds of approximately $10
million are available and required to be used to fund the Great Lakes shipping
operation's cash flow deficiencies before the Keepwell is utilized for such
purposes.
 
     Restructured Accounts Receivable -- For many years, the Company has from
time-to-time offered extended credit terms to certain of its customers,
including converting trade receivables into longer term notes receivable. This
practice became more prevalent during 1992 and has continued during 1993 in the
southern California market area where many of the Company's customers have been
adversely affected by the prolonged recession in the construction industry in
that region. Specifically, a group of six customers were indebted to the Company
at September 30, 1993 in the amount of $24.5 million, of which $2.7 million was
included in current accounts and notes receivable with the balance in long-term
receivables. The six customers have purchased a total of approximately 177,000
tons of cement during the first nine months of 1993. All of the notes and a
portion of the accounts receivable are collateralized. During the first nine
months of 1993, approximately $810,000 in interest income, of which
approximately $575,000 has been collected, was recognized on these notes.
 
     During 1993, four of these customers defaulted on the payment terms of
their notes. The Company restructured its agreement with one of the defaulting
customers late in the second quarter of 1993 and that customer was in compliance
with the terms of the restructured agreement as of September 30, 1993.
Subsequent to September 30, 1993, the Company completed the purchase of the
primary assets of one of the three remaining customers then in default for
forgiveness of a total of approximately $7.3 million owed the Company,
assumption of certain liabilities and other consideration. The Company realized
no gain or loss on this transaction. The Company has also entered into a
nonbinding letter of intent with another of these three customers to acquire the
primary assets of that business as well for forgiveness of amounts owed the
Company, approximately $1.7 million as of September 30, 1993, assumption of
certain liabilities and other consideration. The Company has stopped selling
cement on credit to the other customer in default and is presently evaluating
its options for collection of outstanding balances. The Company is contractually
committed to supply up to 90% of the cement requirements of one of the two
non-defaulting customers on extended credit terms, provided this customer
remains current with respect to both current purchases and payments on its note.
 
                                       26
<PAGE>   30
 
     In the opinion of management, the Company is adequately reserved for credit
risks related to its potentially uncollectible receivables. However, the Company
may have to increase its periodic provision for doubtful accounts as additional
information regarding the collectibility of these and other accounts becomes
available.
 
     Claim for Indemnification -- In late August 1993 the Company was notified
by Energy Development Corporation (EDC), the 1989 purchaser of the common stock
of the Company's then oil and gas subsidiary, that EDC was exercising its
indemnification rights under the 1989 stock purchase agreement with respect to a
Department of Energy (DOE) Remedial Order regarding the audit of crude oil
produced and sold during the period September 1973 through January 1981 from an
offshore, federal waters field known as Ship Shoal Block 113 Unit/South Pelto 20
of which the Company's oil and gas subsidiary was part owner. The DOE has
alleged certain price overcharges and is seeking to recover a total of $68
million dollars in principal and interest. Murphy Oil Corporation, as operator
of the property, has estimated the Company's share of this total to be
approximately $4 million. Murphy Oil Corporation has been coordinating the
defense against the DOE claim and is currently in the process of appealing the
DOE's Remedial Order to the Federal Energy Regulatory Commission (FERC) and is
concurrently attempting to negotiate a settlement with the DOE. Oral arguments
before the FERC were scheduled for late October 1993 with a ruling to follow
shortly thereafter. The Company is unable to determine what liability it may
have, if any, with respect to this matter, but should the Company be required to
forfeit all or any portion of these amounts, such expenditure would result in a
charge to earnings from discontinued operations. The Company believes it has
sufficient borrowing capacity under its Revolving Credit Facility to fulfill
obligations, if any, that arise as a result of this DOE claim.
 
                                       27
<PAGE>   31
 
                          DESCRIPTION OF CAPITAL STOCK
 
     The following descriptions do not purport to be complete and are subject
to, and qualified in their entirety by reference to, the following documents:
(i) the Company's Restated Articles of Incorporation, as amended (the "Restated
Articles"); (ii) the Articles of Amendment to the Restated Articles which will
specify the preferences, limitations and relative rights of the Series D
Preferred Stock; (iii) the Company's Bylaws, as amended; (iv) the Rights
Agreement dated as of March 4, 1991, between the Company and Chemical
Shareholder Services Group, Inc., as Rights Agent; and (v) the Warrant Agreement
dated as of October 31, 1991 between the Company and Chemical Shareholder
Services Group, Inc., as Warrant Agent.
 
     The authorized capital stock of Southdown comprises 40,000,000 shares of
Common Stock, $1.25 par value, and 10,000,000 shares of Preferred Stock, $.05
par value (the "Preferred Stock").
 
COMMON STOCK
 
   
     At December 31, 1993, 17,045,809 shares of Common Stock were issued and
outstanding and held of record by approximately 1,956 shareholders, and
approximately 7.6 million shares were reserved for future issuance upon exercise
of options granted under employee benefit plans or warrants or upon conversion
of convertible securities, excluding           shares reserved for issuance upon
conversion of the Series D Preferred Stock.
    
 
     Subject to the preferences of each series of outstanding Preferred Stock,
holders of Common Stock are entitled to receive ratably such dividends as may be
declared by the Board of Directors out of funds legally available therefor. In
the event of a liquidation or dissolution of the Company, holders of Common
Stock are entitled to share ratably (except as described below under the caption
"-- Series C Preferred Stock") in all assets remaining after payment of
liabilities and the liquidation preferences of each series of outstanding
Preferred Stock. Each share of Common Stock generally entitles the holder to one
vote on matters submitted to a vote of shareholders of the Company, including
the election of directors. The Board of Directors of the Company is divided into
three classes, as nearly equal in number as possible, having staggered
three-year terms. Holders of Common Stock have no preemptive rights and no
rights to convert their Common Stock into any other securities. By the
affirmative vote of the holders of 80% of the outstanding shares of all classes
of the Company's stock entitled to vote in the election of directors, the
Company's shareholders may remove any of the Company's directors from office. A
similar vote is required to amend certain provisions of the Restated Articles.
See "-- Change in Control Provisions." All of the outstanding shares of Common
Stock are fully paid and nonassessable.
 
     Chemical Shareholder Services Group, Inc., a subsidiary of Chemical Banking
Corporation, serves as the registrar and transfer agent for the Common Stock and
the Series A Preferred Stock and the Series B Preferred Stock described below.
 
WARRANTS TO PURCHASE COMMON STOCK
 
     In October 1991, the Company issued and sold an aggregate of 1,250,000
Warrants to purchase Common Stock (the "Warrants") pursuant to the terms of a
Warrant Agreement dated as of October 31, 1991 (the "Warrant Agreement"),
between the Company and First City, Texas -- Houston, N.A., as Warrant Agent.
Chemical Shareholder Services Group, Inc. is now the Warrant Agent. Each Warrant
entitles the holder to purchase one share of Common Stock at a price of $16 per
share, subject to adjustment in certain circumstances, until 5:00 p.m. New York
City time on October 31, 1996. The number and kind of securities purchasable
upon exercise of the Warrants are subject to adjustment from time-to-time upon
the occurrence of certain reclassifications, mergers or consolidations, stock
splits, stock dividends, certain other distributions and events and certain
issuances or sales of Common Stock at prices less than market value (as defined
in the Warrant Agreement). In lieu of an adjustment to the number of shares of
Common Stock issuable pursuant to the exercise of the Warrants, the Company may
elect to issue additional Warrants.
 
                                       28
<PAGE>   32
 
RIGHTS
 
     On March 4, 1991, the Board of Directors of the Company declared a dividend
of one right to purchase preferred stock ("Right") for each outstanding share of
the Company's Common Stock, to shareholders of record at the close of business
on March 14, 1991. Each Right entitles the registered holder to purchase from
the Company a unit consisting of one one-hundredth of a share (a "Unit") of
Preferred Stock, Cumulative Junior Participating Series C, par value $.05 per
share (the "Series C Preferred Stock"), at a purchase price of $60 per Unit,
subject to adjustment (the "Purchase Price"). The description and terms of the
Rights are set forth in a Rights Agreement dated as of March 4, 1991 (the
"Rights Agreement") between the Company and First City, Texas-Houston, N.A., as
Rights Agent. Chemical Shareholder Services Group, Inc. now serves as Rights
Agent.
 
     The Rights are attached to all certificates representing outstanding shares
of Common Stock, and no separate certificates for the Rights ("Rights
Certificates") have been distributed. The Rights will separate from the Common
Stock and a "Distribution Date" will occur upon the earlier of (i) ten days
following a public announcement that a person or group of affiliated or
associated persons (an "Acquiring Person") has acquired, or obtained the right
to acquire, beneficial ownership of 15% or more of the outstanding shares of
Common Stock (the date of the announcement being the "Stock Acquisition Date"),
or (ii) ten business days (or such later date as may be determined by the
Company's Board of Directors before the Distribution Date occurs) following the
commencement of a tender offer or exchange offer that would result in a person's
becoming an Acquiring Person. Until the Distribution Date, (a) the Rights will
be evidenced by the Common Stock certificates (together with a copy of a Summary
of Rights or bearing the notation referred to below) and will be transferred
with and only with such Common Stock certificates, (b) new Common Stock
certificates will contain a notation incorporating the Rights Agreement by
reference and (c) the surrender for transfer of any certificate for Common Stock
outstanding (with or without a copy of the Summary of Rights) will also
constitute the transfer of the Rights associated with the Common Stock
represented by such certificate.
 
     The Rights are not exercisable until the Distribution Date and will expire
at the close of business on March 14, 2001, unless earlier redeemed or exchanged
by the Company as described below. In the Rights Agreement, the Company has
generally agreed to use its best efforts to cause the securities of the Company
issuable pursuant to the exercise of Rights to be registered under the
Securities Act, as soon as practicable after the Rights become exercisable, and
to take such action as may be necessary to ensure compliance with applicable
state securities laws.
 
   
     As soon as practicable after the Distribution Date, Rights Certificates
will be mailed to holders of record of Common Stock as of the close of business
on the Distribution Date and, from and after the Distribution Date, the separate
Rights Certificates alone will represent the Rights. All shares of Common Stock
issued prior to the Distribution Date will be issued with Rights. Shares of
Common Stock issued after the Distribution Date in connection with certain
employee benefit plans or upon exercise or conversion of certain securities will
be issued with Rights. Except as otherwise determined by the Board of Directors,
no other shares of Common Stock issued after the Distribution Date will be
issued with Rights.
    
 
     In the event (a "Flip-In Event") that a person becomes an Acquiring Person,
(except pursuant to a tender or exchange offer for all outstanding shares of
Common Stock at a price and on terms that a majority of the independent
directors of the Company determines to be fair to and otherwise in the best
interests of the Company and its shareholders (a "Permitted Offer")) each holder
of a Right will thereafter have the right to receive, upon exercise of such
Right, a number of shares of Common Stock (or, in certain circumstances, cash,
property or other securities of the Company) having a Current Market Price (as
defined in the Rights Agreement) equal to two times the exercise price of the
Right. Notwithstanding the foregoing, following the occurrence of any Flip-In
Event, all Rights that are, or (under certain circumstances specified in the
Rights Agreement) were, beneficially owned by any Acquiring Person (or by
certain related parties) will be null and void in the circumstances set forth in
the Rights Agreement. However, Rights are not exercisable following the
occurrence of any Flip-In Event until such time as the Rights are no longer
redeemable by the Company as set forth below.
 
                                       29
<PAGE>   33
 
     For example, at an exercise price of $60 per Right, each Right not owned by
an Acquiring Person (or by certain related parties) following an event set forth
in the preceding paragraph would entitle its holder to purchase $120 worth of
Common Stock (or other consideration, as noted above), based upon its then
Current Market Price, for $60. Assuming that the Common Stock had a Current
Market Price of $15 per share at such time, the holder of each valid Right would
be entitled to purchase 8 shares of Common Stock for $60.
 
     In the event (a "Flip-Over Event") that, at any time on or after the Stock
Acquisition Date, (i) the Company is acquired in a merger or other business
combination transaction (other than a specified type of merger that follows a
Permitted Offer), or (ii) 50% or more of the Company's assets or earning power
is sold or transferred, each holder of a Right (except Rights that previously
have been voided as set forth above) shall thereafter have the right to receive,
upon exercise, a number of shares of common stock of the acquiring company (or
in certain cases its controlling person) having a Current Market Price equal to
two times the exercise price of the Right. Flip-In Events and Flip-Over Events
are collectively referred to as "Triggering Events."
 
     The Purchase Price payable, and the number of Units or other securities or
property issuable, upon exercise of the Rights are subject to adjustment from
time to time to prevent dilution (i) in the event of a stock dividend on, or a
subdivision, combination or reclassification of, the Series C Preferred Stock,
(ii) if holders of the Series C Preferred Stock are granted certain rights or
warrants to subscribe for Series C Preferred Stock or convertible securities at
less than the current market price of the Series C Preferred Stock, or (iii)
upon the distribution to holders of the Series C Preferred Stock of evidences of
indebtedness or assets (excluding regular quarterly cash dividends) or of
subscription rights or warrants (other than those referred to above).
 
     No adjustment in the Purchase Price will be required until cumulative
adjustments amount to at least 1% of the Purchase Price. No fractional Units are
required to be issued and, in lieu thereof, an adjustment in cash may be made
based on the market price of the Series C Preferred Stock on the last trading
date prior to the date of exercise. Pursuant to the Rights Agreement, the
Company reserves the right to require prior to the occurrence of a Triggering
Event that, upon any exercise of Rights, a number of Rights be exercised so that
only whole shares of Series C Preferred Stock will be issued.
 
     At any time until ten days following the Stock Acquisition Date, the
Company may redeem the Rights in whole, but not in part, at a price of $.01 per
Right, payable, at the option of the Company, in cash, shares of Common Stock or
such other consideration as the Board of Directors may determine. After the
redemption period has expired, the Company's right of redemption may be
reinstated prior to the occurrence of any Triggering Event if (i) an Acquiring
Person reduces its beneficial ownership to 10% or less of the outstanding shares
of Common Stock in a transaction or series of transactions not involving the
Company and (ii) there are no other Acquiring Persons. Immediately upon the
effectiveness of the action of the Board of Directors ordering redemption of the
Rights, the Rights will terminate and the only right of the holders of Rights
will be to receive the $.01 redemption price.
 
     At any time after the occurrence of a Flip-In Event and prior to a person's
becoming the beneficial owner of 50% or more of the shares of Common Stock then
outstanding, the Company may exchange the Rights (other than Rights owned by an
Acquiring Person or an affiliate or an associate of an Acquiring Person, which
will have become void), in whole or in part, at an exchange ratio of one share
of Common Stock, and/or other equity securities deemed to have the same value as
one share of Common Stock, per Right, subject to adjustment.
 
     Until a Right is exercised, the holder thereof, as such, will have no
rights as a shareholder of the Company, including, without limitation, the right
to vote or to receive dividends. Shareholders may, depending upon the
circumstances, recognize taxable income in the event that the Rights become
exercisable for Common Stock (or other consideration) of the Company or for the
common stock of the acquiring company as set forth above or are exchanged as
provided in the preceding paragraph.
 
     Other than certain provisions relating to the principal economic terms of
the Rights, any of the provisions of the Rights Agreement may be amended by the
Board of Directors of the Company prior to the Distribution
 
                                       30
<PAGE>   34
 
Date. Thereafter, the provisions of the Rights Agreement may be amended by the
Board of Directors in order to cure any ambiguity, defect or inconsistency, to
make changes that do not materially adversely affect the interests of holders of
Rights (excluding the interests of any Acquiring Person), or to shorten or
lengthen any time period under the Rights Agreement; provided, however, that no
amendment to lengthen the time period governing redemption shall be made at such
time as the Rights are not redeemable.
 
     The provisions of the Rights and the Rights Agreement may in some cases
discourage or make more difficult the acquisition of control of the Company by
means of a tender offer, open market purchase or similar means. These provisions
are intended to discourage, or may have the effect of discouraging, partial
tender offers, front-end loaded two-tier tender offers and certain other types
of coercive takeover tactics and inadequate takeover bids and to encourage
persons seeking to acquire control of the Company first to negotiate with the
Company. The Company believes that these provisions, which are similar to those
of many other publicly held companies, provide benefits by enhancing the
Company's potential ability to negotiate with the proponent of any unfriendly or
unsolicited proposal to take over or restructure the Company that outweigh the
disadvantages of discouraging such proposals because, among other things,
negotiation of such proposals could result in an improvement in their terms.
 
PREFERRED STOCK
 
   
     The Board of Directors is authorized to designate series of Preferred Stock
and fix the powers, preferences and rights of the shares of such series and the
qualifications, limitations or restrictions thereon.
    
 
   
     Series A Preferred Stock. Pursuant to the terms of the Restated Articles,
the Board of Directors has created a series of Preferred Stock consisting of
1,999,998 shares of Preferred Stock, $.70 Cumulative Convertible Series A (the
"Series A Preferred Stock"). The Series A Preferred Stock is senior to the
Series B Preferred Stock with respect to dividends and assets. As of December
31, 1993, 1,999,000 shares of Series A Preferred Stock were issued and
outstanding. All such shares are fully paid and nonassessable.
    
 
   
     The Series A Preferred Stock (a) has a stated value and liquidation
preference of $10 per share, plus accrued and unpaid dividends, (b) carries a
cumulative dividend of $.70 per year, payable quarterly, and entitles the
holders of a majority thereof to elect two directors if dividends are in arrears
for at least 540 days, (c) is initially convertible into one-half of a share of
Common Stock for each share of Series A Preferred Stock, subject to adjustment,
(d) is redeemable at the option of the Company at 120% of the stated value
thereof (declining to 100% of the stated value after April 30, 1997) plus
accrued and unpaid dividends, and (e) is entitled to one vote per share, voting
as a class with the Common Stock and any other capital stock of the Company
entitled to vote, on all matters submitted to shareholders. In addition, the
holders of Series A Preferred Stock have certain class voting rights, including
the right to approve certain mergers, consolidations and sales of assets;
however, if a holder of Series A Preferred Stock does not grant a proxy to the
Board of Directors to vote in favor of any such merger, consolidation or sale of
assets, the Company may redeem such holder's shares of Series A Preferred Stock
without the payment of any redemption premium. The Company has reserved 999,500
shares of Common Stock for issuance upon conversion of the Series A Preferred
Stock.
    
 
   
     Series B Preferred Stock. Pursuant to the terms of the Restated Articles,
the Board of Directors has created a series of Preferred Stock consisting of
960,000 shares of Preferred Stock, $3.75 Convertible Exchangeable Series B (the
"Series B Preferred Stock"). The Series B Preferred Stock is junior to the
Series A Preferred Stock with respect to dividends and assets. As of December
31, 1993, 959,000 shares of Series B Preferred Stock were issued and
outstanding. All such shares are fully paid and nonassessable.
    
 
   
     The Series B Preferred Stock (a) has a stated value and liquidation
preference of $50 per share, plus accrued and unpaid dividends, (b) carries a
cumulative dividend of $3.75 per year, payable semi-annually, and entitles the
holders of a majority thereof to elect two directors if dividends are in arrears
for at least 180 days, (c) is initially convertible into two and one-half shares
of Common Stock for each share of Series B Preferred Stock, subject to
adjustment, (d) is redeemable at the option of the Company at the stated value
thereof plus accrued and unpaid dividends, and (e) is entitled to one vote per
share, voting as a class with the Common Stock and any other capital stock of
the Company entitled to vote, on all matters submitted to shareholders. In
addition, the holders of the Series B Preferred Stock have certain class voting
rights. The Company has
    
 
                                       31
<PAGE>   35
 
reserved 2,397,500 shares of Common Stock for issuance upon conversion of the
Series B Preferred Stock. In addition, the Series B Preferred Stock is
exchangeable, in whole but not in part, at the option of the Company at any time
for the Company's 7 1/2% Convertible Subordinated Debentures Due 2013 (the
"Debentures") at a rate of $50 in principal amount of Debentures per share of
Series B Preferred Stock, provided that all dividends on the Series B Preferred
Stock have been paid through the date of such exchange. The Company's Restated
Revolving Credit Facility requires the Company to obtain the consent of the
lenders thereunder as a condition to the exchange of the Series B Preferred
Stock for the Debentures.
 
     Series C Preferred Stock. In connection with the distribution of the Rights
on March 14, 1991, the Board of Directors of the Company authorized 400,000
shares of Series C Preferred Stock, none of which are outstanding. The Series C
Preferred Stock would be issued only upon the exercise of Rights and only if the
Rights were exercised prior to a Flip-In Event or a Flip-Over Event. The Rights
are not exercisable as of the date hereof. See "-- Rights." If issued, the
Series C Preferred Stock would be junior to the Series A Preferred Stock, the
Series B Preferred Stock and the Series D Preferred Stock with respect to
dividends and assets.
 
   
     The Series C Preferred Stock has a liquidation preference of $100 per
share, plus accrued and unpaid dividends and distributions (the "Series C
Liquidation Preference"). Following the payment of the Series C Liquidation
Preference, no additional distribution shall be made to the holders of shares of
Series C Preferred Stock unless the holders of Common Stock have received an
amount per share (the "Common Adjustment") equal to the quotient obtained by
dividing (i) the Series C Liquidation Preference by (ii) the Adjustment Number.
The Adjustment Number initially is 100, and is subject to adjustment in the
event the Company (i) declares any dividend on Common Stock payable in shares of
Common Stock, (ii) subdivides the outstanding Common Stock or (iii) combines the
Common Stock into a smaller number of shares. Following the payment of the full
amount of the Series C Liquidation Preference and the Common Adjustment in
respect of all outstanding shares of Series C Preferred Stock and Common Stock,
respectively, holders of Series C Preferred Stock and holders of Common Stock
shall receive their ratable and proportionate share of the remaining assets to
be distributed in the ratio of the Adjustment Number to one with respect to the
Series C Preferred Stock and Common Stock, on a per share basis, respectively.
    
 
   
     If issued, the Series C Preferred Stock would carry a cumulative dividend
per share equal to the greater of (i) $2.00 or (ii) subject to certain
adjustments, the Adjustment Number times the aggregate per share amount of all
cash dividends, and the Adjustment Number times the aggregate per share amount
(payable in kind) of all non-cash dividends or other distributions other than
dividends or distributions payable in shares of Common Stock or a subdivision of
the outstanding shares of Common Stock (by reclassification or otherwise),
declared on the Common Stock since the immediately preceding quarterly dividend
payment date for the Series C Preferred Stock. The Series C Preferred Stock is
redeemable, at the option of the Company, at any time at a redemption price
equal to the Adjustment Number times the current per share market price (as
defined) of the Common Stock, together with accrued and unpaid dividends. Each
share of Series C Preferred Stock entitles the holder thereof to the number of
votes equal to the Adjustment Number for each share held and, except as
otherwise provided by law, the Series C Preferred Stock votes together as a
single class with the Common Stock and any other capital stock of the Company
entitled to vote. The Series C Preferred Stock entitles the holders thereof
(together with the holders of all Preferred Stock (other than the Series A
Preferred Stock and the Series B Preferred Stock) upon which similar voting
rights have been conferred) to elect two directors if dividends are in arrears
for at least 540 days.
    
 
     Series D Preferred Stock. In connection with the Preferred Stock Offering,
the Board of Directors will authorize creation of a series of Preferred Stock
consisting of 1,725,000 shares of Preferred Stock, $   Cumulative Convertible
Series D. The Series D Preferred Stock will rank junior to the Series A
Preferred Stock, pari passu with the Series B Preferred Stock, and will be
senior to any Series C Preferred Stock that may be issued. All shares sold in
the Series D Preferred Stock Offering will be fully paid and non-assessable.
 
     The Series D Preferred Stock (a) has a stated value and liquidation
preference of $50.00 per share plus accrued and unpaid dividends, (b) carries a
cumulative annual dividend of $     per share, payable quarterly, and entitles
the holders thereof, voting together as a single class with all other series or
classes of preferred stock which are pari passu with the Series D Preferred
Stock as to dividends and which specifically state that
 
                                       32
<PAGE>   36
 
   
they shall vote with the Series D Preferred Stock in such a case (which does not
include the Series A Preferred Stock, the Series B Preferred Stock or, if any is
issued, the Series C Preferred Stock), to elect two directors if dividends are
in arrears for at least six quarterly dividend periods, (c) is initially
convertible into      shares of Common Stock for each share of Series D
Preferred Stock, subject to adjustment, (d) may be converted at the option of
the Company, in whole but not in part, at any time after January      , 1997 and
until January      , 2001, if for 20 trading days within a period of 30
consecutive trading days, including the last trading day of such 30 trading day
period, the closing price of the Common Stock on the NYSE equals or exceeds 130%
of the conversion price, into        shares of Common Stock, subject to
adjustment, (e) is redeemable at the option of the Company at 100% of the
started value thereof plus accrued and unpaid dividends on and after January
     , 2001, and (f) is entitled to one vote per share, voting as a class with
the Common Stock and any other capital stock of the Company entitled to vote, on
all matters submitted to shareholders. In addition, the Series D Preferred Stock
has certain class voting rights. The Company has initially reserved      shares
of Common Stock for issuance upon conversion of the Series D Preferred Stock.
    
 
LIMITATIONS ON DIVIDENDS AND CERTAIN OTHER PAYMENTS
 
   
     The Company's ability to pay dividends and make certain other payments with
respect to its capital stock is restricted in certain circumstances by certain
provisions of its debt instruments, including the Company's Restated Revolving
Credit Facility and the Indenture relating to its 14% Senior Subordinated Notes
Due 2001. That Indenture provides a limitation on Restricted Payments, which are
defined to include, among other things, cash dividends or distributions and
repurchases or redemptions of capital stock. Subject to limited exceptions, the
Indenture prohibits Restrictive Payments unless, at the time of or after giving
effect to the proposed Restricted Payment, no Default or Event of Default shall
have occurred and be continuing. The aggregate amount of all Restricted Payments
declared or made after October 31, 1991 may not equal or exceed an amount
calculated from time to time based on, among other things, the Company's
consolidated net income (with certain adjustments) since October 1, 1991, and
the proceeds from most sales of capital stock. As of September 30, 1993 (after
giving effect to the completion of the Preferred Stock Offering and the
application of the proceeds therefrom as set forth under "Capitalization"), the
amount available under the Indenture for dividends and other Restricted Payments
would have been approximately $45 million.
    
 
   
     So long as there is no Event of Default or Unmatured Event of Default under
the Restated Revolving Credit Facility, that facility does not restrict the
Company's payment of regularly scheduled cash dividends on the Series A
Preferred Stock, Series B Preferred Stock or Series D Preferred Stock. So long
as there is no Event of Default or Unmatured Event of Default under the Restated
Revolving Credit Facility, the Company may also pay cash dividends with respect
to the Common Stock so long as the Company's Adjusted Free Cash Flow Ratio (i)
on the first date on which such dividends are commenced, and (ii) on the final
day of each fiscal year in which such Common Stock dividends are paid, exceeds
1.00:1.00 (for 1993 and 1994), 1.30:1.00 (for 1995) and 1.60:1.00 (for 1996). As
of September 30, 1993 (after giving effect to the Preferred Stock Offering and
the use of proceeds thereof as set forth under "Use of Proceeds"), the Company's
Adjusted Free Cash Flow Ratio would have been 1.10:1.00.
    
 
CHANGE IN CONTROL PROVISIONS
 
     Charter Provisions. The Restated Articles require the affirmative vote or
consent of the holders of 80% of all classes of stock of the Company entitled to
vote in the election of directors to approve (a) any merger or consolidation of
the Company with or into any other corporation, (b) any sale or lease of all or
any substantial part of the assets of the Company or (c) any sale or lease to
the Company or any subsidiary thereof of assets with an aggregate fair market
value of $2 million or more in exchange for voting securities of the Company or
any subsidiary thereof (or securities convertible into or exchangeable for such
securities), if as of the record date for the determination of shareholders
entitled to vote or consent with respect to such merger, consolidation, sale or
lease, the other party to such transaction is the beneficial owner (as defined),
directly or indirectly, of 5% or more of the outstanding shares of stock of the
Company entitled to vote in the election of directors ("5% Beneficial Owner").
The foregoing provisions of the Restated Articles are inapplicable to (a) any
merger or similar transaction if the Board of Directors of the Company has
approved a memorandum of
 
                                       33
<PAGE>   37
 
understanding with such other corporation prior to the time such corporation
became a 5% Beneficial Owner or (b) transactions with a majority-owned
subsidiary of the Company.
 
     Statutory Provision. Although the constitutionality of the control share
provisions of the Louisiana Business Corporation Law ("LBCL") has not been
judicially determined, the Company believes that it is an "issuing public
corporation," subject to the control share provisions of the LBCL. Under the
control share provisions of the LBCL, the voting rights of the Company's shares
of voting stock are limited under certain circumstances. Subject to certain
exceptions, generally if "control shares" of the Company are acquired in a
"control share acquisition," the LBCL provides that such shares have the voting
rights they had before the control share acquisition only to the extent granted
by resolution of the shareholders of the Company. Such resolution must be
adopted by a majority of all votes entitled to be cast, excluding all
"interested shares."
 
     "Interested shares" are defined as shares of the Company in respect of
which any of the following persons may exercise or direct the exercise of the
voting power of the Company in the election of directors: (a) an acquiring
person or member of a group with respect to a control share acquisition, (b) any
officer of the Company, or (c) any employee of the Company who is also a
director of the Company. "Control shares" are defined generally as shares that,
but for the control share provisions of the LBCL, would have voting power with
respect to shares of the Company that, when added to all other shares of the
Company owned by a person or in respect to which that person may exercise or
direct the exercise of voting power, would entitle that person, immediately
after acquisition of the shares, directly or indirectly, alone or as a part of a
group, to exercise or direct the exercise of the voting power of the Company in
the election of directors within any of the following ranges of voting power:
(a) one-fifth or more but less than one-third of all voting power, (b) one-third
or more but less than a majority of all voting power, or (c) a majority or more
of all voting power. Subject to certain exceptions, a "control share
acquisition" means the acquisition, directly or indirectly, by any person of
ownership of, or the power to direct the exercise of voting power with respect
to, issued and outstanding control shares.
 
     Under certain circumstances (including, but not limited to, the giving of
an undertaking by the acquiring person to pay the Company's expenses of the
meeting and, under certain circumstances, the obtaining by such person of
commitments for the financing of any cash portion of the consideration to be
paid), an acquiring person may compel the calling of a special meeting of the
Company's shareholders for the purpose of considering the voting rights to be
accorded the shares acquired or to be acquired in the control share acquisition.
Unless the acquiring person agrees in writing to another date, the special
meeting of shareholders shall be held within fifty days after the date on which
definitive proxy materials (within the meaning of the Securities Exchange Act of
1934, as amended, and the regulations thereunder) related to the special meeting
on behalf of the acquiring person and the Board of Directors of the Company have
been filed with the Securities and Exchange Commission.
 
     The Company's Bylaws provide that (i) if no acquiring person statement is
filed by the acquiring person or (ii) if full voting rights are not approved,
the Company may redeem control shares acquired in a control share acquisition
(a) in the case of (i), within 60 days after the last acquisition of control
shares by an acquiring person and (b) in the case of (ii), at any time during
the period ending two years after the shareholder vote with respect to the
voting rights of such control shares. Any such redemption shall be made at the
fair value of the control shares and pursuant to such procedures as may be
adopted by the Board of Directors of the Company. If control shares acquired in
a control share acquisition representing a majority or more of all voting power
are accorded full voting rights, then all shareholders of the Company will have
dissenters' rights to receive the fair cash value of their shares, such amount
not to be less than the highest price per share paid by the acquiring person in
the control share acquisition.
 
                                       34
<PAGE>   38
 
                              SELLING SHAREHOLDER
 
     All of the 1,250,000 shares of Common Stock offered hereby are being sold
by the Selling Shareholder. Set forth below is certain information with respect
to the Selling Shareholder and its ownership of Common Stock before and after
the Common Stock Offering.
 
<TABLE>
<CAPTION>
                                                                SHARES
                                     BEFORE THE OFFERING          TO         AFTER THE OFFERING
                                     -------------------       BE SOLD      ---------------------
                                                  PERCENTAGE      IN                       PERCENTAGE
                                       NUMBER         OF          THE          NUMBER          OF
       SELLING SHAREHOLDER            OF SHARES    CLASS(1)    OFFERING      OF SHARES      CLASS(1)
- ----------------------------------   -----------   -----       --------     -----------     -----
<S>                                  <C>           <C>         <C>          <C>             <C>
The Carpenters Pension Trust for
  Southern California(2)..........   2,521,600(2)  14.7%       1,250,000    1,271,600(2)     7.4%
  909 Montgomery Street, Suite 400
  San Francisco, California 94133
</TABLE>
 
- ---------------
 
   
(1) Includes the number of shares of Common Stock outstanding on December 31,
    1993, plus 158,000 shares of Common Stock issuable upon conversion of 63,200
    shares of Series B Preferred Stock owned by the Selling Shareholder.
    
 
(2) RCBA and the Trust filed with the Commission a Schedule 13D dated June 28,
    1991 which, as subsequently amended, reports beneficial ownership of
    2,521,600 shares of Common Stock consisting of 2,363,600 shares of Common
    Stock and 158,000 shares of Common Stock issuable upon conversion of 63,200
    shares of Series B Preferred Stock. The Schedule 13D reports that the Trust
    possesses economic beneficial ownership. The Schedule 13D also reports that
    full discretion, voting and acquisition and disposition authority have been
    granted to its investment adviser, RCBA, but the Trust has the power to
    terminate the advisory agreement. Richard C. Blum is Chairman and a Director
    of RCBA. Ronald N. Tutor, a director of the Company, is Co-Chairman of the
    Board of Trustees of the Carpenters Pension Trust for Southern California.
    See "Recent Developments -- Concurrent Offerings." The Company, RCBA and the
    Trust are parties to a Settlement Agreement dated April 16, 1993, pursuant
    to which a proxy contest was settled and certain persons were nominated for
    election to the Company's Board of Directors.
 
                                       35
<PAGE>   39
 
                                  UNDERWRITING
 
     Subject to the terms and conditions set forth in a purchase agreement (the
"Purchase Agreement") among the Company, the Selling Shareholder and each of the
underwriters named below (the "Underwriters"), the Selling Shareholder has
agreed to sell to each of the Underwriters, and each of the Underwriters, for
whom Merrill Lynch, Pierce, Fenner & Smith Incorporated, Kidder, Peabody & Co.
Incorporated and Lehman Brothers Inc. are acting as representatives (the
"Representatives"), has severally agreed to purchase, the number of shares of
Common Stock set forth below opposite their respective names. The Underwriters
are committed to purchase all of such shares if any are purchased. Under certain
circumstances, the commitments of non-defaulting Underwriters may be increased
as set forth in the Purchase Agreement.
 
<TABLE>
<CAPTION>
                                                                             NUMBER
                                                                               OF
                                   UNDERWRITER                               SHARES
        ------------------------------------------------------------------  --------
        <S>                                                                 <C>
        Merrill Lynch, Pierce, Fenner & Smith
                     Incorporated.........................................
        Kidder, Peabody & Co. Incorporated................................
        Lehman Brothers Inc...............................................
                                                                            --------
                       Total..............................................  1,250,000
                                                                            --------
                                                                            --------
</TABLE>
 
     The Representatives have advised the Company and the Selling Shareholder
that the Underwriters propose to offer the shares of Common Stock to the public
initially at the public offering price set forth on the cover page of this
Prospectus, and to certain dealers at such price less a concession not in excess
of $      per share. The Underwriters may allow, and such dealers may re-allow,
a discount not in excess of $      per share on sales to certain other dealers.
After the initial public offering, the public offering price, concession and
discount may be changed.
 
     The Selling Shareholder has granted to the Underwriters an option,
exercisable by the Representatives to purchase up to 187,500 additional shares
of Common Stock at the initial public offering price, less the underwriting
discount. Such option, which expires 30 days after the date of this Prospectus,
may be exercised solely to cover over-allotments. To the extent that the
Representatives exercise such option, each of the Underwriters will be
obligated, subject to certain conditions, to purchase approximately the same
percentage of the option shares that the number of shares to be purchased
initially by that Underwriter bears to the total number of shares to be
purchased initially by the Underwriters.
 
     The Company and the Selling Shareholder have agreed to indemnify the
Underwriters against certain liabilities, including, liabilities under the
Securities Act or to contribute to payments the Underwriters may be required to
make in respect thereof.
 
     The Company, certain of its directors and executive officers, and the
Selling Shareholder have agreed that they will not, without the prior written
consent of Merrill Lynch & Co., directly or indirectly, offer, sell or otherwise
dispose of any shares of preferred stock or Common Stock or securities
convertible into preferred stock or Common Stock, except pursuant to (i) the
exercise of options granted pursuant to existing employee plans, (ii) the
exercise of outstanding Rights and Warrants, (iii) the conversion of the Series
A Preferred
 
                                       36
<PAGE>   40
 
Stock, Series B Preferred Stock and Series D Preferred Stock, and (iv) the sale
of Series D Preferred Stock in the Preferred Stock Offering, for a period of 90
days after the date of this Prospectus.
 
     Steven B. Wolitzer, a director of the Company, is also a managing director
of Lehman Brothers Inc., one of the Representatives. Each of the Representatives
has provided from time to time, and expects in the future to provide, investment
banking services to the Company, for which it has received and will receive
customary fees and commissions.
 
                                 LEGAL MATTERS
 
     The validity of the securities offered hereby will be passed upon for the
Company by Bracewell & Patterson, L.L.P., Houston, Texas, and for the
Underwriters by Baker & Botts, L.L.P., Houston, Texas. Certain legal matters
will be passed on for the Selling Shareholder by Wilmer, Cutler, & Pickering,
Washington, D.C. Edgar J. Marston III, Executive Vice President and General
Counsel and a Director of the Company, is of counsel to the firm of Bracewell &
Patterson, L.L.P. From time to time, Baker & Botts, L.L.P. performs certain
services for the Company. Both Bracewell & Patterson, L.L.P. and Baker & Botts,
L.L.P. will rely on the opinion of Stone, Pigman, Walther, Wittmann &
Hutchinson, New Orleans, Louisiana, as to matters of Louisiana law.
 
                                    EXPERTS
 
     The consolidated financial statements and consolidated financial statement
schedules of the Company listed in the Index to Financial Statements and Index
to Other Required Schedules appearing in the Company's Annual Report on Form
10-K for the year ending December 31, 1992, have been audited by Deloitte &
Touche, independent public accountants, as set forth in their report included
therein, and such report is incorporated herein by reference. See "Incorporation
of Certain Documents by Reference." The consolidated financial statements and
consolidated financial statement schedules referred to above have been
incorporated herein by reference in reliance upon such report and upon the
authority of such firm as experts in accounting and auditing.
 
     With respect to the unaudited interim financial information appearing in
the Company's Quarterly Reports on Form 10-Q for the quarters ended March 31,
1993, June 30, 1993 and September 30, 1993, as set forth herein or incorporated
by reference in this Prospectus, Deloitte & Touche, independent public
accountants, have reported that they have applied limited procedures in
accordance with professional standards for a review of such information.
However, their separate reports included in the Company's Quarterly Reports on
Form 10-Q for the quarters ended March 31, 1993, June 30, 1993 and September 30,
1993, and set forth herein or incorporated by reference, state that they did not
audit and they do not express an opinion on that interim financial information.
Accordingly, the degree of reliance on their reports on such information should
be restricted in light of the limited nature of the review procedures applied.
Deloitte & Touche are not subject to the liability provisions of Section 11 of
the Securities Act of 1933 for their reports on the unaudited interim financial
information because those reports are not "reports" or a "part" of the
registration statement prepared or certified by an accountant within the meaning
of Sections 7 and 11 of the Securities Act of 1933.
 
                                       37
<PAGE>   41
 
               INDEX TO FINANCIAL STATEMENTS, AS PRESENTED IN THE
                    COMPANY'S QUARTERLY REPORT ON FORM 10-Q
               FOR THE QUARTERLY PERIOD ENDED SEPTEMBER 30, 1993
   
               AND REPRODUCED HEREIN FOR CONVENIENCE OF REFERENCE
    
 
<TABLE>
<CAPTION>
                                                                                PAGE
                                                                                NO.
                                                                                ----
        <S>                                                                     <C>
        Independent Accountants' Review Report...............................    F-2
        Consolidated Balance Sheet
          September 30, 1993 and December 31, 1992...........................    F-3
        Statement of Consolidated Earnings
          Three months and nine months ended September 30, 1993 and 1992.....    F-4
        Statement of Consolidated Cash Flows
          Nine months ended September 30, 1993 and 1992......................    F-5
        Statement of Consolidated Revenues and Operating Earnings by Business
          Segment
          Three months and nine months ended September 30, 1993 and 1992.....    F-6
        Statement of Shareholders' Equity
          Nine months ended September 30, 1993...............................    F-6
        Notes to Consolidated Financial Statements...........................    F-7
</TABLE>
 
                                       F-1
<PAGE>   42
 
                     INDEPENDENT ACCOUNTANTS' REVIEW REPORT
 
To the Shareholders and
  Board of Directors of
  Southdown, Inc.
  Houston, Texas
 
     We have reviewed the accompanying consolidated balance sheet of Southdown,
Inc. and subsidiary companies as of September 30, 1993, and the related
statements of consolidated earnings for the three and nine month periods ended
September 30, 1993 and 1992, the consolidated statement of cash flows for the
nine month periods ended September 30, 1993 and 1992 and the statement of
shareholders' equity for the nine months ended September 30, 1993. These
financial statements are the responsibility of the Company's management.
 
     We conducted our review in accordance with standards established by the
American Institute of Certified Public Accountants. A review of the interim
financial information consists principally of applying analytical procedures to
financial data and making inquiries of persons responsible for financial and
accounting matters. It is substantially less in scope than an audit conducted in
accordance with generally accepted auditing standards, the objective of which is
the expression of an opinion regarding the financial statements taken as a
whole. Accordingly, we do not express such an opinion.
 
     Based on our review, we are not aware of any material modifications that
should be made to such consolidated financial statements for them to be in
conformity with generally accepted accounting principles.
 
     We have previously audited, in accordance with generally accepted auditing
standards, the consolidated balance sheet of Southdown, Inc. and subsidiary
companies as of December 31, 1992 and the related consolidated statements of
earnings, shareholders' equity, and cash flows for the year then ended (not
presented herein); and in our report dated January 28, 1993 (February 16, 1993
as to paragraph 5 of Note 2 of Notes to Consolidated Financial Statements), we
expressed an unqualified opinion on those consolidated financial statements. In
our opinion, the information set forth in the accompanying consolidated balance
sheet as of December 31, 1992 is fairly stated, in all material respects, in
relation to the consolidated balance sheet from which it has been derived.
 
     As discussed in Note 3 of Notes to the Consolidated Financial Statements,
the Company changed its methods of accounting for income taxes and
postretirement benefits other than pensions effective January 1, 1993 to conform
with Statements of Financial Accounting Standards No. 109 and No. 106.
 
DELOITTE & TOUCHE
 
Houston, Texas
November 1, 1993
 
                                       F-2
<PAGE>   43
 
                    SOUTHDOWN, INC. AND SUBSIDIARY COMPANIES
 
                           CONSOLIDATED BALANCE SHEET
                                  (UNAUDITED)
 
<TABLE>
<CAPTION>
                                                                SEPTEMBER 30,   DECEMBER 31,
                                                                    1993            1992
                                                                -------------   ------------
                                                                       (IN MILLIONS)
<S>                                                             <C>             <C>
ASSETS
Current assets:
  Cash and cash equivalents.....................................    $  11.9        $ 12.5
  Accounts and notes receivable, less allowance for doubtful
     accounts of $6.8 and $6.2..................................       88.8          85.2
  Inventories (Note 2)..........................................       51.5          58.6
  Prepaid expenses and other....................................        9.2          14.6
                                                                -------------   ------------
          Total current assets..................................      161.4         170.9
Property, plant and equipment, less accumulated depreciation,
  depletion and amortization of $267.2 and $241.1...............      582.3         592.9
Goodwill........................................................       72.9          74.6
Other assets:
  Long-term receivables.........................................       28.8          23.1
  Other.........................................................       44.8          49.1
                                                                -------------   ------------
                                                                   $ 890.2         $910.6
                                                                -------------   ------------
                                                                -------------   ------------
LIABILITIES AND SHAREHOLDERS' EQUITY
Current liabilities:
  Current maturities of long-term debt..........................    $  20.4        $  8.3
  Accounts payable and accrued liabilities......................       98.3          89.7
                                                                -------------   ------------
          Total current liabilities.............................      118.7          98.0
Long-term debt..................................................      270.2         306.5
Deferred income taxes...........................................      101.3         130.7
Minority interest in consolidated joint venture.................       30.1          31.0
Long-term portion of postretirement benefit obligations.........       84.5           5.3
Other liabilities and deferred credits..........................       21.6          22.7
                                                                -------------   ------------
                                                                     626.4          594.2
                                                                -------------   ------------
Shareholders' equity:
  Preferred stock redeemable at issuer's option (Note 6)........       67.9          67.9
  Common stock, $1.25 par value.................................       21.2          21.2
  Capital in excess of par value................................      126.6         126.6
  Reinvested earnings...........................................       48.1         100.7
                                                                -------------   ------------
                                                                     263.8          316.4
                                                                -------------   ------------
                                                                   $ 890.2         $910.6
                                                                -------------   ------------
                                                                -------------   ------------
</TABLE>
 
                                       F-3
<PAGE>   44
 
                    SOUTHDOWN, INC. AND SUBSIDIARY COMPANIES
 
                       STATEMENT OF CONSOLIDATED EARNINGS
                                  (UNAUDITED)
 
<TABLE>
<CAPTION>
                                                                      THREE MONTHS           NINE MONTHS
                                                                          ENDED                 ENDED
                                                                      SEPTEMBER 30,         SEPTEMBER 30,
                                                                    -----------------     -----------------
                                                                     1993       1992       1993       1992
                                                                    ------     ------     ------     ------
                                                                     (IN MILLIONS, EXCEPT PER SHARE DATA)
<S>                                                                 <C>        <C>        <C>        <C>
Revenues:
  Trade..........................................................   $155.6     $138.6     $405.1     $382.0
  Interest income................................................      0.5        0.6        1.5        1.3
                                                                    ------     ------     ------     ------
                                                                     156.1      139.2      406.6      383.3
                                                                    ------     ------     ------     ------
Costs and expenses:
  Operating......................................................    114.4      104.6      292.5      292.4
  Depreciation, depletion and amortization.......................      9.8       12.1       31.3       36.5
  Selling and marketing..........................................      4.8        4.5       13.9       13.6
  General and administrative.....................................      9.9       10.9       33.1       34.5
  Other (income) expense, net....................................      4.4       (3.5)       4.7       (4.8)
                                                                    ------     ------     ------     ------
                                                                     143.3      128.6      375.5      372.2
Minority interest in earnings of consolidated joint venture......      1.4        1.1        2.2        1.7
                                                                    ------     ------     ------     ------
                                                                     144.7      129.7      377.7      373.9
                                                                    ------     ------     ------     ------
Operating earnings...............................................     11.4        9.5       28.9        9.4
Interest expense.................................................     (9.5)     (10.8)     (30.3)     (34.3)
                                                                    ------     ------     ------     ------
Earnings (loss) from continuing operations before income taxes
  and cumulative effect of a change in accounting principle......      1.9       (1.3)      (1.4)     (24.9)
Federal and state income tax (expense) benefit...................     (0.4)       0.8        1.1       10.0
                                                                    ------     ------     ------     ------
Earnings (loss) from continuing operations before cumulative
  effect of a change in accounting principle.....................      1.5       (0.5)      (0.3)     (14.9)
Gain on discontinued operations, net of income taxes (Note 7)....       --        0.8         --        0.8
Cumulative effect of a change in accounting principle (Note 3)...       --         --      (48.5)        --
                                                                    ------     ------     ------     ------
Net earnings (loss)..............................................   $  1.5     $  0.3     $(48.8)    $(14.1)
                                                                    ------     ------     ------     ------
                                                                    ------     ------     ------     ------
Dividends on preferred stock (Note 6)............................   $ (1.2)    $ (1.2)    $ (3.7)    $ (3.7)
                                                                    ------     ------     ------     ------
                                                                    ------     ------     ------     ------
Earnings (loss) available for common stock.......................   $  0.3     $ (0.9)    $(52.5)    $(17.8)
                                                                    ------     ------     ------     ------
                                                                    ------     ------     ------     ------
Earnings (loss) per common share (Note 6 and Exhibit 11):
  Primary --
     Earnings (loss) from continuing operations before cumulative
       effect of a change in accounting principle................   $ 0.01     $(0.10)    $(0.24)    $(1.10)
     Gain on discontinued operations, net of income taxes (Note
       7)........................................................       --       0.05         --       0.05
     Cumulative effect of a change in accounting principle (Note
       3)........................................................       --         --      (2.86)        --
                                                                    ------     ------     ------     ------
                                                                    $ 0.01     $(0.05)    $(3.10)    $(1.05)
                                                                    ------     ------     ------     ------
                                                                    ------     ------     ------     ------
  Fully diluted --
     Earnings (loss) from continuing operations before cumulative
       effect of a change in accounting principle................   $ 0.01     $(0.10)    $(0.24)    $(1.10)
     Gain on discontinued operations, net of income taxes (Note
       7)........................................................       --       0.05         --       0.05
     Cumulative effect of a change in accounting principle (Note
       3)........................................................       --         --      (2.86)        --
                                                                    ------     ------     ------     ------
                                                                    $ 0.01     $(0.05)    $(3.10)    $(1.05)
                                                                    ------     ------     ------     ------
                                                                    ------     ------     ------     ------
Average shares outstanding:
  Primary........................................................     17.2       16.9       17.0       16.9
                                                                    ------     ------     ------     ------
                                                                    ------     ------     ------     ------
  Fully diluted..................................................     21.2       20.3       21.2       20.3
                                                                    ------     ------     ------     ------
                                                                    ------     ------     ------     ------
</TABLE>
 
                                       F-4
<PAGE>   45
 
                    SOUTHDOWN, INC. AND SUBSIDIARY COMPANIES
 
                      STATEMENT OF CONSOLIDATED CASH FLOWS
                                  (UNAUDITED)
 
<TABLE>
<CAPTION>
                                                                            NINE MONTHS ENDED
                                                                              SEPTEMBER 30,
                                                                            ------------------
                                                                             1993        1992
                                                                            ------      ------
<S>                                                                         <C>         <C>
                                                                              (IN MILLIONS)
Operating activities:
  Net loss................................................................  $(48.8)     $(14.1)
  Adjustments to reconcile net loss to net cash provided by (used in)
     operating activities:
     Cumulative effect of a change in accounting principle................    48.5          --
     Depreciation, depletion and amortization.............................    31.3        36.5
     Deferred income tax provision........................................    (2.5)        0.8
     Amortization of debt issuance costs..................................     2.1         2.5
     Changes in operating assets and liabilities..........................     5.6        (3.0)
     Other adjustments....................................................     2.2        (1.4)
                                                                            ------      ------
Net cash provided by (used in) operating activities.......................    38.4        21.3
                                                                            ------      ------
Investing activities:
  Additions to property, plant and equipment..............................   (18.5)      (11.9)
  Proceeds from asset sales...............................................     6.3         5.4
  Acquisition of hazardous waste processor, net of cash acquired..........      --        (4.9)
  Other...................................................................     2.4         1.3
                                                                            ------      ------
Net cash used in investing activities.....................................    (9.8)      (10.1)
                                                                            ------      ------
Financing activities:
  Additions to long-term debt.............................................      --         6.2
  Reductions in long-term debt............................................   (24.1)       (9.5)
  Dividends...............................................................    (2.8)       (2.8)
  Changes in minority interest............................................    (2.3)       (1.0)
  Debt issuance costs.....................................................      --        (0.9)
                                                                            ------      ------
Net cash provided by (used in) financing activities.......................   (29.2)       (8.0)
                                                                            ------      ------
Net (decrease) increase in cash and cash equivalents......................    (0.6)        3.2
Cash and cash equivalents at beginning of period..........................    12.5        14.6
                                                                            ------      ------
Cash and cash equivalents at end of period................................  $ 11.9      $ 17.8
                                                                            ------      ------
                                                                            ------      ------
</TABLE>
 
     Cash payments for income taxes totaled $1.9 million in 1993 and $200,000 in
1992. The Company received a $15.7 and an $18.5 million Federal income tax
refund in 1993 and 1992, respectively, from the carryback to prior years of the
1992 and 1991 tax losses. Interest paid, net of amounts capitalized, was $21.8
million and $24.0 million in 1993 and 1992, respectively. The $48.5 million
noncash operating charge for the cumulative effect of a change in accounting
principle also resulted in a noncash charge to deferred income taxes of $25.9
million and a noncash credit to postretirement benefit obligations of $74.4
million. Noncash investing activities in 1993 included the sale of a hazardous
waste processing facility for preferred stock which the Company valued at $4.8
million (see Note 5 of Notes to Consolidated Financial Statements). Noncash
investing activities in 1992 included a $1.9 million note receivable as partial
consideration for all of the common stock of a hazardous waste processor sold
effective June 30, 1992 and the assumption of $1.1 million of noncash
liabilities in the January 1992 acquisition of a hazardous waste processor.
 
                                       F-5
<PAGE>   46
 
                    SOUTHDOWN, INC. AND SUBSIDIARY COMPANIES
 
           STATEMENT OF CONSOLIDATED REVENUES AND OPERATING EARNINGS
                              BY BUSINESS SEGMENT
                                  (UNAUDITED)
 
<TABLE>
<CAPTION>
                                                       THREE MONTHS ENDED      NINE MONTHS ENDED
                                                         SEPTEMBER 30,           SEPTEMBER 30,
                                                       ------------------      ------------------
                                                        1993        1992        1993        1992
                                                       ------      ------      ------      ------
                                                                     (IN MILLIONS)
<S>                                                    <C>         <C>         <C>         <C>
Contributions to revenues:
  Cement.............................................  $109.6..    $ 96.7      $277.6      $256.5
  Concrete products..................................  49.0..        40.6       129.6       119.9
  Environmental services.............................  8.3...        10.4        27.5        32.4
  Corporate and other................................     0.1         0.3         0.4         0.6
  Intersegment sales.................................   (10.9)       (8.8)      (28.5)      (26.1)
                                                       ------      ------      ------      ------
                                                       $156.1      $139.2      $406.6      $383.3
                                                       ------      ------      ------      ------
                                                       ------      ------      ------      ------
Contributions to operating earnings (loss) before
  interest expense and income taxes:
  Cement.............................................  $ 21.8      $ 20.3      $ 61.1      $ 49.2
  Concrete products..................................     0.5        (2.4)       (1.1)       (8.0)
  Environmental services.............................    (1.0)       (3.1)       (1.2)       (8.0)
  Corporate
     General and administrative......................    (6.5)       (7.3)      (23.7)      (23.7)
     Depreciation, depletion and amortization........    (1.1)       (1.1)       (3.3)       (3.3)
     Miscellaneous income (expense)..................    (2.3)        3.1        (2.9)        3.2
                                                       ------      ------      ------      ------
                                                       $11.4..     $  9.5      $ 28.9      $  9.4
                                                       ------      ------      ------      ------
                                                       ------      ------      ------      ------
</TABLE>
 
                    SOUTHDOWN, INC. AND SUBSIDIARY COMPANIES
 
                       STATEMENT OF SHAREHOLDERS' EQUITY
                                  (UNAUDITED)
 
<TABLE>
<CAPTION>
                                                                                  CAPITAL
                                                                                    IN
                                                                                  EXCESS
                                        PREFERRED STOCK       COMMON STOCK          OF
                                        ---------------      ---------------       PAR        REINVESTED
                                        SHARES    AMOUNT     SHARES    AMOUNT     VALUE       EARNINGS
                                        ----      -----      ----      -----      ------      ------
<S>                                     <C>       <C>        <C>       <C>        <C>         <C>
                                                               (IN MILLIONS)
Balance at December 31, 1992..........   3.0      $67.9      16.9      $21.2      $126.6      $100.7
Net loss..............................    --         --        --         --          --       (48.8)
Dividends on preferred stock (Note
  6)..................................  --..         --        --         --          --        (3.7)
Other.................................    --         --        --         --          --        (0.1)
                                        ----      -----      ----      -----      ------      ------
Balance at September 30, 1993.........   3.0      $67.9      16.9      $21.2      $126.6      $ 48.1
                                        ----      -----      ----      -----      ------      ------
                                        ----      -----      ----      -----      ------      ------
</TABLE>
 
                                       F-6
<PAGE>   47
 
                    SOUTHDOWN, INC. AND SUBSIDIARY COMPANIES
 
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                                  (UNAUDITED)
NOTE 1 -- UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS:
 
     The Consolidated Balance Sheet of Southdown, Inc. and subsidiary companies
(the Company) at September 30, 1993 and the Statements of Consolidated Earnings,
Consolidated Cash Flows, Consolidated Revenues and Operating Earnings by
Business Segment and Shareholders' Equity for the periods indicated herein have
been prepared by the Company without audit. The Consolidated Balance Sheet at
December 31, 1992 is derived from the December 31, 1992 audited financial
statements, but does not include all disclosures required by generally accepted
accounting principles. It is assumed that these financial statements will be
read in conjunction with the audited financial statements and notes thereto
included in the Company's 1992 Annual Report on Form 10-K. Certain data for
prior years have been reclassified for purposes of comparison.
 
     In the opinion of management, the statements reflect all adjustments
necessary for a fair presentation of the financial position, results of
operations and cash flows of the Company on a consolidated basis and all such
adjustments are of a normal recurring nature. The interim statements for the
period ended September 30, 1993 are not necessarily indicative of results to be
expected for the full year.
 
NOTE 2 -- INVENTORIES:
 
<TABLE>
<CAPTION>
                                                               SEPTEMBER     DECEMBER
                                                               30,           31,
                                                               1993          1992
                                                               -----         -----
            <S>                                                <C>           <C>
                                                                 (UNAUDITED, IN
                                                                    MILLIONS)
            Finished goods...................................  $10.3         $14.7
            Work in progress.................................    9.6           9.4
            Raw materials....................................    5.3           7.3
            Supplies.........................................   26.3          27.2
                                                               -----         -----
                                                               $51.5         $58.6
                                                               -----         -----
                                                               -----         -----
</TABLE>
 
     Inventories stated on the LIFO method were $14.2 million at September 30,
1993 and $22.8 million at December 31, 1992 compared with current costs of $23.6
million and $32.2 million, respectively.
 
NOTE 3 -- CHANGES IN ACCOUNTING PRINCIPLES:
 
  Postretirement Benefits
 
     Postretirement benefits other than pensions (postretirement benefits)
currently provided by the Company to its eligible retirees consist primarily of
health care and life insurance benefits. In certain instances, retirees under
the age of sixty-five and their dependents are offered health care benefits
which are essentially the same as benefits available to active employees.
However, benefit payments for covered retirees over the age of sixty-five are
reduced to the extent that such benefits are paid by Medicare. Most of the
Company's health care benefits are self-insured and administered on cost plus
fee arrangements with a major insurance company or provided through health
maintenance organizations. Generally life insurance benefits for retired
employees are reduced over a number of years from the date of retirement to a
specified minimum level.
 
     Effective January 1, 1993 the Company adopted Statement of Financial
Accounting Standards No. 106, "Employers' Accounting for Postretirement Benefits
Other Than Pensions" (SFAS No. 106) and recorded a $48.5 million after-tax,
non-cash charge which represented the initial liability for postretirement
benefits attributable to employee services provided prior to 1993. SFAS No. 106
requires the Company to accrue the estimated cost of retiree benefit payments as
the employee provides services to the Company. The Company previously expensed
the cost of these benefits as claims were incurred and continues to pay for
postretirement benefit costs as incurred.
 
                                       F-7
<PAGE>   48
 
                    SOUTHDOWN, INC. AND SUBSIDIARY COMPANIES
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
     General and administrative expenses for the nine months ended September 30,
1993 include a charge of approximately $1.8 million in each of the first two
quarters of the year ($3.5 million in the aggregate) representing the estimated
cost of postretirement health care benefits in excess of claims incurred. The
Company amended its plan for postretirement health care benefits in the latter
part of the second quarter. Effective with the third quarter of 1993, the
Company's accrual for estimated future postretirement benefit costs was reduced
under the revised plan and the Company will also amortize an estimated $47
million pretax reduction in its recorded postretirement benefits obligation over
the 16 years remaining average service life of its active employees as required
by SFAS No. 106. These changes have effectively eliminated the requirement for
the Company to continue to record a quarterly charge of approximately $1.8
million as incurred in each of the first and second quarters of 1993.
 
  Income Taxes
 
     The Company adopted Statement of Financial Accounting Standards No. 109,
"Accounting for Income Taxes" (SFAS No. 109) effective January 1, 1993. SFAS No.
109 supersedes SFAS No. 96, "Accounting for Income Taxes" which was adopted by
the Company in 1988. There was no cumulative effect on the Company's financial
statements resulting from the adoption of SFAS No. 109. In early August 1993,
the President signed into law a bill that includes, among other provisions, a
one percent increase in the maximum Federal income tax rate for corporations
retroactive to January 1, 1993. Under the requirements of SFAS No. 109 the
Company recorded a charge of approximately $2.2 million in the third quarter of
1993 to recognize the increase in the deferred tax liability as a result of the
change in the corporate income tax rate.
 
NOTE 4 -- CKD REMEDIATION IN OHIO:
 
     As discussed in more detail under Item 2, "Management's Discussion and
Analysis of Financial Condition and Results of Operations" under the caption
"Liquidity and Capital Resources -- Known Events, Trends and
Uncertainties -- Environmental Matters", three of a number of inactive cement
kiln dust (CKD) disposal sites near the Company's Fairborn, Ohio cement plant
have been under investigation by the Company, as well as in some cases by
Federal and state environmental agencies, to determine if remedial action is
required at any or all of these sites.
 
     The Company as well as state environmental agencies have conducted
investigations to determine appropriate remedial action required at an inactive
CKD disposal site in Ohio. Based on various remediation investigations,
hydrogeological analyses and feasibility studies performed in prior years, the
Company had recorded charges totaling $6.7 million through the end of 1992 as
the estimated remediation cost for the site, increasing the initial estimates as
additional information became known. In October 1993, the Company received a
consulting report proposing additional refinements of earlier estimates which
increased the total estimated cost to remediate this site from $6.7 million to
$9.7 million. Accordingly, the Company recorded an additional $3 million charge
in the third quarter of 1993 to recognize the change in the estimate.
 
     On a voluntary basis, without administrative or legal action being taken,
the Company is also investigating two other inactive Ohio CKD disposal sites.
The two additional sites in question were part of a cement manufacturing
facility that was owned and operated by a now dissolved cement company from 1924
to 1945 and by a division of USX Corporation (USX) from 1945 to 1975. On
September 24, 1993, the Company filed a complaint (the Complaint) against USX,
alleging that USX is a potentially responsible party under CERCLA and under
applicable Ohio law, and therefore jointly and severally liable for costs
associated with cleanup of the larger of the two sites (the Site).
 
     The Company intends to vigorously pursue its right to contribution from USX
for cleanup costs under CERCLA and Ohio law. Based upon the advice of counsel,
the Company believes that USX is a responsible party because it owned and
operated the Site at the time of disposal of the hazardous substance, arranged
for the disposal of the hazardous substance and transported the hazardous
substance to the Site. Therefore,
 
                                       F-8
<PAGE>   49
 
                    SOUTHDOWN, INC. AND SUBSIDIARY COMPANIES
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
counsel to the Company has advised that it appears there is a reasonable basis
for the apportionment of cleanup costs relating to the Site between the Company
and USX, with USX shouldering substantially all of the cleanup costs because,
based on the facts known at this time, the Company itself disposed of no cement
kiln dust at the Site and is potentially liable under CERCLA primarily because
of its current ownership of the Site. These determinations, however, are
preliminary, and are based only upon facts available to the Company prior to any
discovery and prior to the filing of an answer to the Complaint by USX.
 
     The Company expects to have determined a reasonable estimate, or at least
identified a range of Site remediation costs, by year-end 1993. Under CERCLA and
applicable Ohio law a court generally applies equitable principles in
determining the amount of contribution which a potentially responsible party
must provide with respect to a cleanup of hazardous substances and such
determination is within the sole discretion of the court. In addition, no
regulatory agency has directly asserted a claim against the Company as the owner
of the Site requiring it to remediate the property, and no cleanup of the Site
has yet been initiated.
 
NOTE 5 -- SALE OF HAZARDOUS WASTE PROCESSING FACILITIES:
 
     In January 1993, the Company's Board of Directors approved a strategic
realignment of the Company's environmental services operations and authorized
the disposition of four of its six hazardous waste processing facilities. On
February 16, 1993 the Company sold its Cincinnati, Ohio hazardous waste
processing facility, which was classified at December 31, 1992 as a current
asset held for sale. The facility was sold to Clean Harbors, Inc. for $1.4
million in cash and the balance in the form of a new issue of Clean Harbors,
Inc. convertible preferred stock which the Company sold during the second
quarter of 1993 for $4.9 million.
 
     The assets associated with two of the remaining hazardous waste processing
facilities were classified on the Company's balance sheet as of December 31,
1992 and September 30, 1993 as current assets held for sale. Operating losses
expected to occur prior to disposition of these two hazardous waste processing
facilities were previously accrued in conjunction with a fourth quarter 1992
write-down of certain environmental services assets and, accordingly, are not
reflected in the results of operations for the three and nine month periods
ended September 30, 1993. Such losses were $336,000 and $1.2 million for the
three and nine month periods, respectively.
 
     The Company has a non-binding Letter of Intent to sell its hazardous waste
processing facility in Avalon, Texas which was classified as a current asset
held for sale at December 31, 1992 and September 30, 1993. The sale is expected
to close before the end of 1993. No material gain or loss is expected to be
recognized in conjunction with the sale.
 
NOTE 6 -- CAPITAL STOCK:
 
  Common Stock
 
     The Company's Board of Directors suspended the dividend on the Company's
common stock on April 25, 1991.
 
  Preferred Stock Redeemable at Issuer's Option
 
     Series A Preferred Stock -- The Company had 1,999,000 shares of Preferred
Stock, $0.70 Cumulative Convertible Series A (Series A Preferred Stock) issued
and outstanding at September 30, 1993, December 31, 1992 and September 30, 1992.
Each share of Series A Preferred Stock is initially convertible into one-half
share of the Company's common stock, subject to adjustment to protect against
dilution, and is redeemable at the Company's option at 140% of the $10.00 stated
value thereof declining to par after April 30, 1997, plus accrued and unpaid
dividends. Dividends paid on the Series A Preferred Stock were approximately
$350,000 and $1,050,000, respectively, during each of the three and nine month
periods ended September 30, 1993 and 1992.
 
                                       F-9
<PAGE>   50
 
                    SOUTHDOWN, INC. AND SUBSIDIARY COMPANIES
 
           NOTES TO CONSOLIDATED FINANCIAL STATEMENTS -- (CONTINUED)
 
     Series B Preferred Stock -- The Company had 959,000 shares of Preferred
Stock, $3.75 Convertible Exchangeable Series B (Series B Preferred Stock) issued
and outstanding at September 30, 1993, December 31, 1992 and September 30, 1992.
Each share of Series B Preferred Stock is convertible into 2.5 shares of the
Company's common stock subject to adjustment to protect against dilution, and is
currently redeemable at the Company's option at 100% of the $50.00 stated value
thereof, plus accrued and unpaid dividends to the date of redemption. Dividends
accrued on the Series B Preferred Stock were approximately $900,000 and $2.7
million, respectively, during each of the three and nine months ended September
30, 1993 and 1992.
 
NOTE 7 -- DISCONTINUED OPERATIONS
 
     In late August 1993 the Company was notified by Energy Development
Corporation (EDC), the 1989 purchaser of the common stock of the Company's then
oil and gas subsidiary, that EDC was exercising its indemnification rights under
the 1989 stock purchase agreement with respect to a Department of Energy (DOE)
Remedial Order regarding the audit of crude oil produced and sold during the
period September 1973 through January 1981 from an offshore, federal waters
field known as Ship Shoal Block 113 Unit/South Pelto 20 of which the Company's
oil and gas subsidiary was part owner. The DOE has alleged certain price
overcharges and is seeking to recover a total of $68 million dollars in
principal and interest. Murphy Oil Corporation, as operator of the property, has
estimated the Company's share of this total to be approximately $4 million.
Murphy Oil Corporation has been coordinating the defense against the DOE claim
and is currently in the process of appealing the DOE's Remedial Order to the
Federal Energy Regulatory Commission (FERC) and is concurrently attempting to
negotiate a settlement with the DOE. Oral arguments before the FERC were
scheduled for late October 1993 with a ruling to follow shortly thereafter. The
Company is unable to determine what liability it may have, if any, with respect
to this matter, but should the Company be required to forfeit all or any portion
of these amounts, such expenditure would result in a charge to earnings from
discontinued operations.
 
NOTE 8 -- REVIEW BY INDEPENDENT ACCOUNTANTS:
 
     The unaudited financial information presented in this report has been
reviewed by the Company's independent public accountants, to the extent
indicated in their report. The review was limited in scope and did not
constitute an audit of the financial information in accordance with generally
accepted auditing standards such as is performed in the year-end audit of the
consolidated financial statements. The report of Deloitte & Touche on its
limited review of the financial information as of September 30, 1993 and for the
three and nine month periods ended September 30, 1993 and 1992 is set forth on
page F-2.*
 
- ---------------
 
* Italicized language indicates variance from Form 10-Q.
 
                                      F-10
<PAGE>   51
 
                Photograph of coal being fired into cement kiln
 
                         Photograph of limestone quarry
<PAGE>   52
 
- -------------------------------------------------------------------------------
- -------------------------------------------------------------------------------
 
   
  NO DEALER, SALESPERSON OR OTHER INDIVIDUAL HAS BEEN AUTHORIZED TO GIVE ANY
INFORMATION OR TO MAKE ANY REPRESENTATIONS NOT CONTAINED IN, OR INCORPORATED BY
REFERENCE IN, THIS PROSPECTUS IN CONNECTION WITH THE OFFERING COVERED BY THIS
PROSPECTUS. IF GIVEN OR MADE, SUCH INFORMATION OR REPRESENTATIONS MUST NOT BE
RELIED UPON AS HAVING BEEN AUTHORIZED BY THE COMPANY, THE SELLING SHAREHOLDER OR
THE UNDERWRITERS. THIS PROSPECTUS DOES NOT CONSTITUTE AN OFFER TO SELL, OR A
SOLICITATION OF AN OFFER TO BUY, THE COMMON STOCK IN ANY JURISDICTION WHERE, OR
TO ANY PERSON TO WHOM, IT IS UNLAWFUL TO MAKE SUCH OFFER OR SOLICITATION.
NEITHER THE DELIVERY OF THIS PROSPECTUS NOR ANY SALE MADE HEREUNDER SHALL, UNDER
ANY CIRCUMSTANCES, CREATE AN IMPLICATION THAT THERE HAS NOT BEEN ANY CHANGE IN
THE FACTS SET FORTH IN THIS PROSPECTUS OR INCORPORATED BY REFERENCE HEREIN OR IN
THE AFFAIRS OF THE COMPANY SINCE THE DATE HEREOF.
    
                            ------------------------
                               TABLE OF CONTENTS
 
   
<TABLE>
<CAPTION>
                                         PAGE
                                         ---
<S>                                      <C>
Available Information..................    2
Incorporation of Certain Documents by
  Reference............................    2
Prospectus Summary.....................    3
Investment Considerations..............    5
The Company............................    7
Recent Developments....................    9
Use of Proceeds........................   11
Price Range of the Common Stock and
  Dividends............................   11
Capitalization.........................   12
Selected Historical Financial and
  Operating Data.......................   13
Management's Discussion and Analysis of
  Financial Condition and Results of
  Operations...........................   15
Description of Capital Stock...........   28
Selling Shareholder....................   35
Underwriting...........................   36
Legal Matters..........................   37
Experts................................   37
Index to Financial Statements..........  F-1
</TABLE>
    
 
                                1,250,000 SHARES
 
                                SOUTHDOWN, INC.
 
                                  COMMON STOCK
                          ---------------------------
 
                                   PROSPECTUS
                          ---------------------------
                              MERRILL LYNCH & CO.
 
                             KIDDER, PEABODY & CO.
                                  INCORPORATED
 
                                LEHMAN BROTHERS
 
   
                                JANUARY   , 1994
    
 
- -------------------------------------------------------------------------------
- -------------------------------------------------------------------------------
<PAGE>   53
 
                                    PART II
 
                     INFORMATION NOT REQUIRED IN PROSPECTUS
 
ITEM 14. OTHER EXPENSES OF ISSUANCE AND DISTRIBUTION
 
     The estimated fees and expenses incurred in connection with the offering of
Common Stock are as follows:
 
<TABLE>
<CAPTION>
                                                                       SELLING
                                                         COMPANY    SHAREHOLDER
                                                         -------    -----------
        <S>                                               <C>        <C>
        Securities and Exchange Commission registration
          fee...........................................  $  0         $ 10,410
        National Association of Securities Dealers, Inc.
          filing fee....................................  $  0         $  3,519
        Printing and engraving expenses.................  $  *         $   *
        Legal fees and expenses of counsel..............  $  *         $   *
        Accounting fees and expenses....................  $  *         $   *
        Blue sky filing fees and expenses (including
          legal fees and expenses)......................  $  *         $   *
        Transfer Agent fees.............................  $  *         $   *
        Miscellaneous...................................  $  *         $   *
                                                          ----         ------
                  Total.................................  $  *         $   *
                                                          ----         ------
                                                          ----         ------
</TABLE>
 
- ---------------
 
* To be supplied by Amendment.
 
ITEM 15. INDEMNIFICATION OF DIRECTORS AND OFFICERS
 
  Louisiana Business Corporation Law
 
     The Louisiana Business Corporation Law ("LBCL") generally gives a
corporation the power to indemnify any of its directors or officers against
certain expenses, judgments, fines and amounts paid in settlement in connection
with certain actions, suits or proceedings, provided generally that such person
acted in good faith and in a manner he or she reasonably believed to be in or
not opposed to the interests of the corporation and, with respect to any
criminal action or proceeding, had no reasonable cause to believe his or her
conduct was unlawful. In the case of any action by, or in the right of, the
corporation, the corporation may indemnify such person against expenses,
including attorneys' fees and amounts paid in settlement not exceeding, in the
judgment of the board of directors, the estimated expense of litigating the
action to conclusion, actually and reasonably incurred in connection with the
defense or settlement of such action, and no indemnification shall be made in
respect of any claim, issue or matter as to which such person shall have been
adjudged by a court of competent jurisdiction, after exhaustion of all appeals
therefrom, to be liable for willful or intentional misconduct in the performance
of his or her duty to the corporation, unless, and only to the extent that the
court shall determine upon application that, despite the adjudication of
liability but in view of all the circumstances of the case, he or she is fairly
and reasonably entitled to indemnification for such expenses which the court
shall deem proper.
 
     Indemnification provided pursuant to the foregoing provisions is not, under
the LBCL, deemed exclusive of any other rights to which the person indemnified
is entitled under any bylaw, agreement, authorization of shareholders or
directors; however, no such other indemnification measure shall permit
indemnification of any person for the results of such person's willful or
intentional misconduct. In addition, the LBCL contains provisions to the general
effect that any director shall in the performance of his or her duties be fully
protected in relying in good faith upon the records of the corporation and upon
such information, opinions, reports or statements presented to the corporation,
the board of directors, or any committee thereof by any of the corporation's
officers or employees or by any committee of the board of directors, or by any
counsel, appraiser, engineer (including a petroleum reservoir engineer), or
independent or certified public accountant selected by the board of directors or
any committee thereof with reasonable care, or by any other person as to matters
the director reasonably believes are within such other person's professional or
expert competence and which
 
                                      II-1
<PAGE>   54
 
person is selected by the board of directors or any committee thereof with
reasonable care. A director shall not be liable for the commission of a
prohibited act if his or her dissent was either noted in the minutes of the
meetings or filed promptly thereafter in the registered office of the
Registrant.
 
  Articles of Incorporation
 
     As permitted under Section 24(C)(4) of the LBCL, Article XIII of the
Restated Articles of Incorporation of the Registrant eliminates the personal
liability of any director or officer to the Registrant or its shareholders for
monetary damages for breach of fiduciary duty in such capacity, except for (i)
any breach of the duty of loyalty to the Registrant or its shareholders; (ii)
acts or omissions not in good faith or involving intentional misconduct or a
knowing violation of law; (iii) unlawful payment of dividends or unlawful stock
purchases or redemptions; or (iv) any transaction from which the director or
officer derived an improper personal benefit.
 
  Bylaws of the Company
 
     Article VI, Section 6 of the Registrant's Bylaws contemplate that the
Registrant shall indemnify its directors and officers to the maximum extent
permitted by Louisiana law.
 
  Directors' and Officers' Insurance
 
     In addition, the Registrant has purchased a liability insurance policy
under which its directors and officers are indemnified against certain losses
arising from certain claims that may be made against them by reason of their
serving in such capacity.
 
  Underwriting Agreement
 
   
     Section 6 of the Purchase Agreement, a copy of the form of which is filed
as Exhibit 1.1 to this Registration Statement, provides for the indemnification
of the directors and officers of the Registrant in certain circumstances.
    
 
ITEM 16. EXHIBITS
 
     The following documents are filed as exhibits to this Registration
Statement:
 
   
<TABLE>
<CAPTION>
       EXHIBIT
       NUMBER                                 DESCRIPTION OF EXHIBITS
- --------------------- ------------------------------------------------------------------------
<S>                   <C>
           1.1+       Form of Purchase Agreement relating to the Common Stock Offering by and
                      among the Representatives on behalf of the Underwriters, the Company and
                      the Selling Shareholder.
    
 
   
           4.1        Restated Articles of Incorporation of the Company, as amended
                      (incorporated by reference to Exhibits 4.1 to the Registration Statement
                      on Form S-3; Registration No. 33-51133).
    

   
           4.2+       Form of Articles of Amendment to the Restated Articles of Incorporation
                      of the Company designating the Series D Preferred Stock.
    

   
           4.3        Form of Certificate representing shares of Common Stock (incorporated by
                      reference to Exhibit 4.3 to Registration Statement on Form S-3;
                      Registration Statement No. 33-24021).
    

   
           4.4        Registration Rights and Lock Up Agreement dated November 22, 1993, among
                      the Company, RCBA and the Trust (incorporated by reference to Exhibit
                      4.2 to the Current Report on Form 8-K dated December 21, 1993).
</TABLE>
    
 
                                      II-2
<PAGE>   55
 
   
<TABLE>
<CAPTION>
       EXHIBIT
       NUMBER                                 DESCRIPTION OF EXHIBITS
- --------------------- ------------------------------------------------------------------------
<S>                   <C>
           5+         Opinions of Bracewell & Patterson, L.L.P. and Stone, Pigman, Walther,
                      Wittmann & Hutchinson as to the legality of the Common Stock covered by
                      this Registration Statement.
          15*         Letter in lieu of consent from Deloitte & Touche regarding interim
                      financial information.
          23.1*       Consent of Deloitte & Touche, independent auditors for the Registrant
                      (See page II-6).
          23.2+       Consents of Bracewell & Patterson, L.L.P. (included in their opinion to
                      be filed as Exhibit 5 to this Registration Statement) and Stone, Pigman,
                      Walther, Wittmann & Hutchinson (included in their opinion filed as
                      Exhibit 5 to this Registration Statement).
          24          Powers of Attorney.
</TABLE>
    
 
- ---------------
 
   
* Filed herewith.
    
   
+ To be supplied by Amendment.
    
 
ITEM 17. UNDERTAKINGS
 
     The undersigned Registrant hereby undertakes:
 
          (a) that, for purposes of determining any liability under the
     Securities Act of 1933, each filing of the Registrant's annual report
     pursuant to section 13(a) or section 15(d) of the Securities Exchange Act
     of 1934 (and, where applicable, each filing of an employee benefit plan's
     annual report pursuant to Section 15(d) of the Securities Exchange Act of
     1934) that is incorporated by reference in the Registration Statement shall
     be deemed to be a new registration statement relating to the securities
     offered herein, and the offering of such securities at that time shall be
     deemed to be the initial bona fide offering thereof.
 
          (b) Insofar as indemnification for liability arising under the
     Securities Act may be permitted to directors, officers and controlling
     persons of the Registrant pursuant to the foregoing provisions, or
     otherwise, the Registrant has been advised that in the opinion of the
     Commission such indemnification is against public policy as expressed in
     the Securities Act and is, therefore, unenforceable. In the event that a
     claim for indemnification against such liabilities (other than the payment
     by the Registrant of expenses incurred or paid by a director, officer or
     controlling person of the Registrant in the successful defense of any
     action, suit or proceeding) is asserted by such director, officer or
     controlling person in connection with the securities being registered, the
     Registrant will, unless in the opinion of its counsel the matter has been
     settled by controlling precedent, submit to a court of appropriate
     jurisdiction the question of whether such indemnification by it is against
     public policy as expressed in the Securities Act and will be governed by
     the final adjudication of such issue.
 
          (c) For purposes of determining any liability under the Securities Act
     of 1933, the information omitted from the form of prospectus filed as part
     of this Registration Statement in reliance upon Rule 430A and contained in
     a form of prospectus filed by the Registrant pursuant to Rule 424(b)(1) or
     (4) or 497(h) under the Securities Act shall be deemed to be part of this
     registration statement as of the time it was declared effective.
 
          (d) For the purpose of determining any liability under the Securities
     Act of 1933, each post-effective amendment that contains a form of
     prospectus shall be deemed to be a new registration statement relating to
     the securities offered herein, and the offering of such securities at that
     time shall be deemed to be the initial bona fide offering thereof.
 
                                      II-3
<PAGE>   56
 
                                   SIGNATURES
 
   
     Pursuant to the requirements of the Securities Act of 1933, Southdown, Inc.
certifies that it has reasonable grounds to believe that it meets all of the
requirements for filing on Form S-3 and had duly caused this Registration
Statement to be signed on its behalf by the undersigned, thereunto duly
authorized, in the City of Houston and State of Texas on January 4, 1994.
    
 
                                          SOUTHDOWN, INC.
 
   
                                          By:          CLARENCE C. COMER
    
 
                                            ------------------------------------
   
                                                     Clarence C. Comer
                                               President and Chief Executive
                                                           Officer
    
 
   
     Pursuant to the requirements of the Securities Act of 1933, this Amendment
has been signed by the following persons in the indicated capacities on January
4, 1994.
    
 
   
<TABLE>
<CAPTION>
                SIGNATURE                                    POSITIONS
- ------------------------------------------          ----------------------------
<S>                                                 <C>
         G. WALTER LOEWENBAUM II*                   Chairman of the Board
- ------------------------------------------            of Directors
         G. Walter Loewenbaum II
</TABLE>
    
 
   
<TABLE>
<S>                                                 <C>
            CLARENCE C. COMER                       President, Chief Executive
- ------------------------------------------            Officer and Director
            Clarence C. Comer
             JAMES L. PERSKY                        Senior Vice President
- ------------------------------------------            (Principal Financial Officer)
             James L. Persky
            ALLAN B. KORSAKOV                       Corporate Controller
- ------------------------------------------            (Principal Accounting Officer)
            Allan B. Korsakov
            FENTRESS BRACEWELL*                     Director
- ------------------------------------------
            Fentress Bracewell
               W. J. CONWAY*                        Director
- ------------------------------------------
               W. J. Conway
          KILLIAN L. HUGER, JR.*                    Director
- ------------------------------------------
          Killian L. Huger, Jr.
           EDGAR J. MARSTON III                     Director
- ------------------------------------------
           Edgar J. Marston III
           MICHAEL A. NICOLAIS*                     Director
- ------------------------------------------
           Michael A. Nicolais
              FRANK J. RYAN*                        Director
- ------------------------------------------
              Frank J. Ryan
             ROBERT J. SLATER*                      Director
- ------------------------------------------
             Robert J. Slater
             RONALD N. TUTOR*                       Director
- ------------------------------------------
             Ronald N. Tutor
</TABLE>
    
 
                                      II-4
<PAGE>   57
 
   
<TABLE>
<CAPTION>
                SIGNATURE                                    POSITIONS
- ------------------------------------------          ----------------------------
<S>                                                 <C>
            V. H. VAN HORN III*                     Director
- ------------------------------------------
            V. H. Van Horn III
            STEVEN B. WOLITZER*                     Director
- ------------------------------------------
            Steven B. Wolitzer
       *By:    EDGAR J. MARSTON III
           Edgar J. Marston III
             Attorney-in-Fact
</TABLE>
    
 
                                      II-5
<PAGE>   58
 
                                                                    EXHIBIT 23.1
 
                         INDEPENDENT AUDITORS' CONSENT
 
   
     We consent to the incorporation by reference in this Amendment No. 1 to
Registration Statement No. 33-51131 of Southdown, Inc. of our report dated
January 28, 1993 (February 16, 1993 as to paragraph 5 of Note 2 of Notes to
Consolidated Financial Statements) appearing in the Annual Report on Form 10-K
of Southdown, Inc. for the year ended December 31, 1992 and to the references to
us appearing under the captions "Experts" and "Selected Historical Financial and
Operating Data" in the Prospectus, which is part of this Registration Statement.
    
 
DELOITTE & TOUCHE
Houston, Texas
   
January 4, 1994
    
 
                                      II-6
<PAGE>   59
 
                               INDEX TO EXHIBITS
 
   
<TABLE>
<CAPTION>
       EXHIBIT
       NUMBER                                 DESCRIPTION OF EXHIBITS
- --------------------- ------------------------------------------------------------------------
<S>                   <C>
           1.1+       Form of Purchase Agreement relating to the Common Stock Offering by and
                      among the Representatives on behalf of the Underwriters, the Company and
                      the Selling Shareholder.
    
 
   
           4.1        Restated Articles of Incorporation of the Company, as amended
                      (incorporated by reference to Exhibits 4.1 to the Registration Statement
                      on Form S-3; Registration No. 33-51133).
           4.2+       Form of Articles of Amendment to the Restated Articles of Incorporation
                      of the Company designating the Series D Preferred Stock.
           4.3        Form of Certificate representing shares of Common Stock (incorporated by
                      reference to Exhibit 4.3 to Registration Statement on Form S-3;
                      Registration Statement No. 33-24021).
           4.4        Registration Rights and Lock Up Agreement dated November 22, 1993, among
                      the Company, RCBA and the Trust (incorporated by reference to Exhibit
                      4.2 to the Current Report on Form 8-K dated December 21, 1993).
           5+         Opinions of Bracewell & Patterson, L.L.P. and Stone, Pigman, Walther,
                      Wittmann & Hutchinson as to the legality of the Common Stock covered by
                      this Registration Statement.
          15*         Letter in lieu of consent from Deloitte & Touche regarding interim
                      financial information.
          23.1*       Consent of Deloitte & Touche, independent auditors for the Registrant
                      (See page II-6).
          23.2+       Consents of Bracewell & Patterson, L.L.P. (included in their opinion to
                      be filed as Exhibit 5 to this Registration Statement) and Stone, Pigman,
                      Walther, Wittmann & Hutchinson (included in their opinion filed as
                      Exhibit 5 to this Registration Statement).
          24          Powers of Attorney.
</TABLE>
    
 
- ---------------
 
   
* Filed herewith.
    
+ To be supplied by Amendment.

<PAGE>   1
 
                                                                      EXHIBIT 15
 
                [DELOITTE & TOUCHE LETTERHEAD -- HOUSTON, TEXAS]
 
January 4, 1994
 
Southdown, Inc.
1200 Smith Street
Houston, Texas
 
We have made a review, in accordance with standards established by the American
Institute of Certified Public Accountants, of the unaudited interim financial
information of Southdown, Inc. and subsidiary companies for the periods ended
March 31, 1993 and 1992, June 30, 1993 and 1992 and September 30, 1993 and 1992,
as indicated in our reports dated April 21, 1993, August 9, 1993 and November 1,
1993, respectively; because we did not perform an audit, we expressed no opinion
on that information.
 
We are aware that our reports referred to above, which were included in your
Quarterly Reports on Form 10-Q for the quarters ended March 31, 1993, June 30,
1993 and September 30, 1993, are being used in Amendment No. 1 to 
Registration Statement No. 33-51131.
 
We also are aware that the aforementioned reports, pursuant to Rule 436(c) under
the Securities Act of 1933 (the "Act"), are not considered a part of Amendment
No. 1 to Registration Statement No. 33-51131 prepared or certified by an 
accountant or a report prepared or certified by an accountant within the 
meaning of Sections 7 and 11 of the Act.
 
DELOITTE & TOUCHE


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